aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/usb/gadget
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2011-10-25 12:23:15 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2011-10-25 12:23:15 +0200
commit1be025d3cb40cd295123af2c394f7229ef9b30ca (patch)
tree5dc14e1ea412cc7fdc3e563ad23187059fe8bfb5 /drivers/usb/gadget
parent2d03423b2319cc854adeb28a03f65de5b5e0ab63 (diff)
parenta2c76b83fdd763c826f38a55127ccf25708099ce (diff)
Merge branch 'usb-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
* 'usb-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (260 commits) usb: renesas_usbhs: fixup inconsistent return from usbhs_pkt_push() usb/isp1760: Allow to optionally trigger low-level chip reset via GPIOLIB. USB: gadget: midi: memory leak in f_midi_bind_config() USB: gadget: midi: fix range check in f_midi_out_open() QE/FHCI: fixed the CONTROL bug usb: renesas_usbhs: tidyup for smatch warnings USB: Fix USB Kconfig dependency problem on 85xx/QoirQ platforms EHCI: workaround for MosChip controller bug usb: gadget: file_storage: fix race on unloading USB: ftdi_sio.c: Use ftdi async_icount structure for TIOCMIWAIT, as in other drivers USB: ftdi_sio.c:Fill MSR fields of the ftdi async_icount structure USB: ftdi_sio.c: Fill LSR fields of the ftdi async_icount structure USB: ftdi_sio.c:Fill TX field of the ftdi async_icount structure USB: ftdi_sio.c: Fill the RX field of the ftdi async_icount structure USB: ftdi_sio.c: Basic icount infrastructure for ftdi_sio usb/isp1760: Let OF bindings depend on general CONFIG_OF instead of PPC_OF . USB: ftdi_sio: Support TI/Luminary Micro Stellaris BD-ICDI Board USB: Fix runtime wakeup on OHCI xHCI/USB: Make xHCI driver have a BOS descriptor. usb: gadget: add new usb gadget for ACM and mass storage ...
Diffstat (limited to 'drivers/usb/gadget')
-rw-r--r--drivers/usb/gadget/Kconfig47
-rw-r--r--drivers/usb/gadget/Makefile4
-rw-r--r--drivers/usb/gadget/acm_ms.c256
-rw-r--r--drivers/usb/gadget/amd5536udc.c20
-rw-r--r--drivers/usb/gadget/amd5536udc.h9
-rw-r--r--drivers/usb/gadget/at91_udc.c32
-rw-r--r--drivers/usb/gadget/at91_udc.h10
-rw-r--r--drivers/usb/gadget/atmel_usba_udc.c13
-rw-r--r--drivers/usb/gadget/cdc2.c9
-rw-r--r--drivers/usb/gadget/ci13xxx_msm.c11
-rw-r--r--drivers/usb/gadget/ci13xxx_udc.c2
-rw-r--r--drivers/usb/gadget/composite.c37
-rw-r--r--drivers/usb/gadget/config.c9
-rw-r--r--drivers/usb/gadget/dbgp.c1
-rw-r--r--drivers/usb/gadget/dummy_hcd.c13
-rw-r--r--drivers/usb/gadget/epautoconf.c12
-rw-r--r--drivers/usb/gadget/ether.c9
-rw-r--r--drivers/usb/gadget/f_audio.c15
-rw-r--r--drivers/usb/gadget/f_ecm.c9
-rw-r--r--drivers/usb/gadget/f_eem.c9
-rw-r--r--drivers/usb/gadget/f_fs.c9
-rw-r--r--drivers/usb/gadget/f_hid.c9
-rw-r--r--drivers/usb/gadget/f_loopback.c9
-rw-r--r--drivers/usb/gadget/f_mass_storage.c196
-rw-r--r--drivers/usb/gadget/f_midi.c998
-rw-r--r--drivers/usb/gadget/f_ncm.c9
-rw-r--r--drivers/usb/gadget/f_obex.c9
-rw-r--r--drivers/usb/gadget/f_phonet.c10
-rw-r--r--drivers/usb/gadget/f_rndis.c9
-rw-r--r--drivers/usb/gadget/f_sourcesink.c9
-rw-r--r--drivers/usb/gadget/f_subset.c9
-rw-r--r--drivers/usb/gadget/f_uvc.c1
-rw-r--r--drivers/usb/gadget/f_uvc.h1
-rw-r--r--drivers/usb/gadget/file_storage.c254
-rw-r--r--drivers/usb/gadget/fsl_qe_udc.c2
-rw-r--r--drivers/usb/gadget/fsl_udc_core.c55
-rw-r--r--drivers/usb/gadget/fusb300_udc.c16
-rw-r--r--drivers/usb/gadget/fusb300_udc.h10
-rw-r--r--drivers/usb/gadget/g_ffs.c9
-rw-r--r--drivers/usb/gadget/gadget_chips.h3
-rw-r--r--drivers/usb/gadget/gmidi.c1292
-rw-r--r--drivers/usb/gadget/hid.c9
-rw-r--r--drivers/usb/gadget/imx_udc.c4
-rw-r--r--drivers/usb/gadget/imx_udc.h5
-rw-r--r--drivers/usb/gadget/inode.c9
-rw-r--r--drivers/usb/gadget/langwell_udc.c147
-rw-r--r--drivers/usb/gadget/langwell_udc.h12
-rw-r--r--drivers/usb/gadget/m66592-udc.c16
-rw-r--r--drivers/usb/gadget/m66592-udc.h10
-rw-r--r--drivers/usb/gadget/mass_storage.c11
-rw-r--r--drivers/usb/gadget/multi.c9
-rw-r--r--drivers/usb/gadget/mv_udc.h26
-rw-r--r--drivers/usb/gadget/mv_udc_core.c560
-rw-r--r--drivers/usb/gadget/mv_udc_phy.c214
-rw-r--r--drivers/usb/gadget/ncm.c9
-rw-r--r--drivers/usb/gadget/ndis.h6
-rw-r--r--drivers/usb/gadget/net2272.c78
-rw-r--r--drivers/usb/gadget/net2280.c87
-rw-r--r--drivers/usb/gadget/net2280.h9
-rw-r--r--drivers/usb/gadget/omap_udc.c18
-rw-r--r--drivers/usb/gadget/pch_udc.c15
-rw-r--r--drivers/usb/gadget/printer.c25
-rw-r--r--drivers/usb/gadget/pxa25x_udc.c30
-rw-r--r--drivers/usb/gadget/pxa25x_udc.h17
-rw-r--r--drivers/usb/gadget/pxa27x_udc.c12
-rw-r--r--drivers/usb/gadget/pxa27x_udc.h9
-rw-r--r--drivers/usb/gadget/r8a66597-udc.c516
-rw-r--r--drivers/usb/gadget/r8a66597-udc.h73
-rw-r--r--drivers/usb/gadget/s3c-hsotg.c10
-rw-r--r--drivers/usb/gadget/s3c-hsudc.c69
-rw-r--r--drivers/usb/gadget/s3c2410_udc.c16
-rw-r--r--drivers/usb/gadget/s3c2410_udc.h10
-rw-r--r--drivers/usb/gadget/storage_common.c185
-rw-r--r--drivers/usb/gadget/u_ether.c9
-rw-r--r--drivers/usb/gadget/u_ether.h9
-rw-r--r--drivers/usb/gadget/u_serial.c3
-rw-r--r--drivers/usb/gadget/udc-core.c21
-rw-r--r--drivers/usb/gadget/uvc.h1
-rw-r--r--drivers/usb/gadget/uvc_queue.c1
-rw-r--r--drivers/usb/gadget/uvc_v4l2.c1
-rw-r--r--drivers/usb/gadget/uvc_video.c1
-rw-r--r--drivers/usb/gadget/webcam.c2
-rw-r--r--drivers/usb/gadget/zero.c9
83 files changed, 2980 insertions, 2749 deletions
diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index 5a084b9cfa3c..b21cd376c11a 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -96,6 +96,22 @@ config USB_GADGET_VBUS_DRAW
This value will be used except for system-specific gadget
drivers that have more specific information.
+config USB_GADGET_STORAGE_NUM_BUFFERS
+ int "Number of storage pipeline buffers"
+ range 2 4
+ default 2
+ help
+ Usually 2 buffers are enough to establish a good buffering
+ pipeline. The number may be increased in order to compensate
+ for a bursty VFS behaviour. For instance there may be CPU wake up
+ latencies that makes the VFS to appear bursty in a system with
+ an CPU on-demand governor. Especially if DMA is doing IO to
+ offload the CPU. In this case the CPU will go into power
+ save often and spin up occasionally to move data within VFS.
+ If selecting USB_GADGET_DEBUG_FILES this value may be set by
+ a module parameter as well.
+ If unsure, say 2.
+
#
# USB Peripheral Controller Support
#
@@ -255,12 +271,11 @@ config USB_S3C_HSOTG
integrated into the S3C64XX series SoC.
config USB_IMX
- tristate "Freescale IMX USB Peripheral Controller"
- depends on ARCH_MX1
+ tristate "Freescale i.MX1 USB Peripheral Controller"
+ depends on ARCH_MXC
help
- Freescale's IMX series include an integrated full speed
- USB 1.1 device controller. The controller in the IMX series
- is register-compatible.
+ Freescale's i.MX1 includes an integrated full speed
+ USB 1.1 device controller.
It has Six fixed-function endpoints, as well as endpoint
zero (for control transfers).
@@ -303,6 +318,18 @@ config USB_PXA_U2O
PXA9xx Processor series include a high speed USB2.0 device
controller, which support high speed and full speed USB peripheral.
+config USB_GADGET_DWC3
+ tristate "DesignWare USB3.0 (DRD) Controller"
+ depends on USB_DWC3
+ select USB_GADGET_DUALSPEED
+ select USB_GADGET_SUPERSPEED
+ help
+ DesignWare USB3.0 controller is a SuperSpeed USB3.0 Controller
+ which can be configured for peripheral-only, host-only, hub-only
+ and Dual-Role operation. This Controller was first integrated into
+ the OMAP5 series of processors. More information about the OMAP5
+ version of this controller, refer to http://www.ti.com/omap5.
+
#
# Controllers available in both integrated and discrete versions
#
@@ -846,6 +873,16 @@ config USB_G_NOKIA
It's only really useful for N900 hardware. If you're building
a kernel for N900, say Y or M here. If unsure, say N.
+config USB_G_ACM_MS
+ tristate "CDC Composite Device (ACM and mass storage)"
+ depends on BLOCK
+ help
+ This driver provides two functions in one configuration:
+ a mass storage, and a CDC ACM (serial port) link.
+
+ Say "y" to link the driver statically, or "m" to build a
+ dynamically linked module called "g_acm_ms".
+
config USB_G_MULTI
tristate "Multifunction Composite Gadget (EXPERIMENTAL)"
depends on BLOCK && NET
diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile
index 9ba725af4a08..b54ac6190890 100644
--- a/drivers/usb/gadget/Makefile
+++ b/drivers/usb/gadget/Makefile
@@ -28,7 +28,7 @@ obj-$(CONFIG_USB_S3C_HSUDC) += s3c-hsudc.o
obj-$(CONFIG_USB_LANGWELL) += langwell_udc.o
obj-$(CONFIG_USB_EG20T) += pch_udc.o
obj-$(CONFIG_USB_PXA_U2O) += mv_udc.o
-mv_udc-y := mv_udc_core.o mv_udc_phy.o
+mv_udc-y := mv_udc_core.o
obj-$(CONFIG_USB_CI13XXX_MSM) += ci13xxx_msm.o
obj-$(CONFIG_USB_FUSB300) += fusb300_udc.o
@@ -51,6 +51,7 @@ g_dbgp-y := dbgp.o
g_nokia-y := nokia.o
g_webcam-y := webcam.o
g_ncm-y := ncm.o
+g_acm_ms-y := acm_ms.o
obj-$(CONFIG_USB_ZERO) += g_zero.o
obj-$(CONFIG_USB_AUDIO) += g_audio.o
@@ -69,3 +70,4 @@ obj-$(CONFIG_USB_G_MULTI) += g_multi.o
obj-$(CONFIG_USB_G_NOKIA) += g_nokia.o
obj-$(CONFIG_USB_G_WEBCAM) += g_webcam.o
obj-$(CONFIG_USB_G_NCM) += g_ncm.o
+obj-$(CONFIG_USB_G_ACM_MS) += g_acm_ms.o
diff --git a/drivers/usb/gadget/acm_ms.c b/drivers/usb/gadget/acm_ms.c
new file mode 100644
index 000000000000..fdb7aec3bd0c
--- /dev/null
+++ b/drivers/usb/gadget/acm_ms.c
@@ -0,0 +1,256 @@
+/*
+ * acm_ms.c -- Composite driver, with ACM and mass storage support
+ *
+ * Copyright (C) 2008 David Brownell
+ * Copyright (C) 2008 Nokia Corporation
+ * Author: David Brownell
+ * Modified: Klaus Schwarzkopf <schwarzkopf@sensortherm.de>
+ *
+ * Heavily based on multi.c and cdc2.c
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/kernel.h>
+#include <linux/utsname.h>
+
+#include "u_serial.h"
+
+#define DRIVER_DESC "Composite Gadget (ACM + MS)"
+#define DRIVER_VERSION "2011/10/10"
+
+/*-------------------------------------------------------------------------*/
+
+/*
+ * DO NOT REUSE THESE IDs with a protocol-incompatible driver!! Ever!!
+ * Instead: allocate your own, using normal USB-IF procedures.
+ */
+#define ACM_MS_VENDOR_NUM 0x1d6b /* Linux Foundation */
+#define ACM_MS_PRODUCT_NUM 0x0106 /* Composite Gadget: ACM + MS*/
+
+/*-------------------------------------------------------------------------*/
+
+/*
+ * Kbuild is not very cooperative with respect to linking separately
+ * compiled library objects into one module. So for now we won't use
+ * separate compilation ... ensuring init/exit sections work to shrink
+ * the runtime footprint, and giving us at least some parts of what
+ * a "gcc --combine ... part1.c part2.c part3.c ... " build would.
+ */
+
+#include "composite.c"
+#include "usbstring.c"
+#include "config.c"
+#include "epautoconf.c"
+#include "u_serial.c"
+#include "f_acm.c"
+#include "f_mass_storage.c"
+
+/*-------------------------------------------------------------------------*/
+
+static struct usb_device_descriptor device_desc = {
+ .bLength = sizeof device_desc,
+ .bDescriptorType = USB_DT_DEVICE,
+
+ .bcdUSB = cpu_to_le16(0x0200),
+
+ .bDeviceClass = USB_CLASS_MISC /* 0xEF */,
+ .bDeviceSubClass = 2,
+ .bDeviceProtocol = 1,
+
+ /* .bMaxPacketSize0 = f(hardware) */
+
+ /* Vendor and product id can be overridden by module parameters. */
+ .idVendor = cpu_to_le16(ACM_MS_VENDOR_NUM),
+ .idProduct = cpu_to_le16(ACM_MS_PRODUCT_NUM),
+ /* .bcdDevice = f(hardware) */
+ /* .iManufacturer = DYNAMIC */
+ /* .iProduct = DYNAMIC */
+ /* NO SERIAL NUMBER */
+ /*.bNumConfigurations = DYNAMIC*/
+};
+
+static struct usb_otg_descriptor otg_descriptor = {
+ .bLength = sizeof otg_descriptor,
+ .bDescriptorType = USB_DT_OTG,
+
+ /*
+ * REVISIT SRP-only hardware is possible, although
+ * it would not be called "OTG" ...
+ */
+ .bmAttributes = USB_OTG_SRP | USB_OTG_HNP,
+};
+
+static const struct usb_descriptor_header *otg_desc[] = {
+ (struct usb_descriptor_header *) &otg_descriptor,
+ NULL,
+};
+
+
+/* string IDs are assigned dynamically */
+
+#define STRING_MANUFACTURER_IDX 0
+#define STRING_PRODUCT_IDX 1
+
+static char manufacturer[50];
+
+static struct usb_string strings_dev[] = {
+ [STRING_MANUFACTURER_IDX].s = manufacturer,
+ [STRING_PRODUCT_IDX].s = DRIVER_DESC,
+ { } /* end of list */
+};
+
+static struct usb_gadget_strings stringtab_dev = {
+ .language = 0x0409, /* en-us */
+ .strings = strings_dev,
+};
+
+static struct usb_gadget_strings *dev_strings[] = {
+ &stringtab_dev,
+ NULL,
+};
+
+/****************************** Configurations ******************************/
+
+static struct fsg_module_parameters fsg_mod_data = { .stall = 1 };
+FSG_MODULE_PARAMETERS(/* no prefix */, fsg_mod_data);
+
+static struct fsg_common fsg_common;
+
+/*-------------------------------------------------------------------------*/
+
+/*
+ * We _always_ have both ACM and mass storage functions.
+ */
+static int __init acm_ms_do_config(struct usb_configuration *c)
+{
+ int status;
+
+ if (gadget_is_otg(c->cdev->gadget)) {
+ c->descriptors = otg_desc;
+ c->bmAttributes |= USB_CONFIG_ATT_WAKEUP;
+ }
+
+
+ status = acm_bind_config(c, 0);
+ if (status < 0)
+ return status;
+
+ status = fsg_bind_config(c->cdev, c, &fsg_common);
+ if (status < 0)
+ return status;
+
+ return 0;
+}
+
+static struct usb_configuration acm_ms_config_driver = {
+ .label = DRIVER_DESC,
+ .bConfigurationValue = 1,
+ /* .iConfiguration = DYNAMIC */
+ .bmAttributes = USB_CONFIG_ATT_SELFPOWER,
+};
+
+/*-------------------------------------------------------------------------*/
+
+static int __init acm_ms_bind(struct usb_composite_dev *cdev)
+{
+ int gcnum;
+ struct usb_gadget *gadget = cdev->gadget;
+ int status;
+ void *retp;
+
+ /* set up serial link layer */
+ status = gserial_setup(cdev->gadget, 1);
+ if (status < 0)
+ return status;
+
+ /* set up mass storage function */
+ retp = fsg_common_from_params(&fsg_common, cdev, &fsg_mod_data);
+ if (IS_ERR(retp)) {
+ status = PTR_ERR(retp);
+ goto fail0;
+ }
+
+ /* set bcdDevice */
+ gcnum = usb_gadget_controller_number(gadget);
+ if (gcnum >= 0) {
+ device_desc.bcdDevice = cpu_to_le16(0x0300 | gcnum);
+ } else {
+ WARNING(cdev, "controller '%s' not recognized; trying %s\n",
+ gadget->name,
+ acm_ms_config_driver.label);
+ device_desc.bcdDevice =
+ cpu_to_le16(0x0300 | 0x0099);
+ }
+
+ /*
+ * Allocate string descriptor numbers ... note that string
+ * contents can be overridden by the composite_dev glue.
+ */
+
+ /* device descriptor strings: manufacturer, product */
+ snprintf(manufacturer, sizeof manufacturer, "%s %s with %s",
+ init_utsname()->sysname, init_utsname()->release,
+ gadget->name);
+ status = usb_string_id(cdev);
+ if (status < 0)
+ goto fail1;
+ strings_dev[STRING_MANUFACTURER_IDX].id = status;
+ device_desc.iManufacturer = status;
+
+ status = usb_string_id(cdev);
+ if (status < 0)
+ goto fail1;
+ strings_dev[STRING_PRODUCT_IDX].id = status;
+ device_desc.iProduct = status;
+
+ /* register our configuration */
+ status = usb_add_config(cdev, &acm_ms_config_driver, acm_ms_do_config);
+ if (status < 0)
+ goto fail1;
+
+ dev_info(&gadget->dev, "%s, version: " DRIVER_VERSION "\n",
+ DRIVER_DESC);
+ fsg_common_put(&fsg_common);
+ return 0;
+
+ /* error recovery */
+fail1:
+ fsg_common_put(&fsg_common);
+fail0:
+ gserial_cleanup();
+ return status;
+}
+
+static int __exit acm_ms_unbind(struct usb_composite_dev *cdev)
+{
+ gserial_cleanup();
+
+ return 0;
+}
+
+static struct usb_composite_driver acm_ms_driver = {
+ .name = "g_acm_ms",
+ .dev = &device_desc,
+ .strings = dev_strings,
+ .unbind = __exit_p(acm_ms_unbind),
+};
+
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_AUTHOR("Klaus Schwarzkopf <schwarzkopf@sensortherm.de>");
+MODULE_LICENSE("GPL v2");
+
+static int __init init(void)
+{
+ return usb_composite_probe(&acm_ms_driver, acm_ms_bind);
+}
+module_init(init);
+
+static void __exit cleanup(void)
+{
+ usb_composite_unregister(&acm_ms_driver);
+}
+module_exit(cleanup);
diff --git a/drivers/usb/gadget/amd5536udc.c b/drivers/usb/gadget/amd5536udc.c
index 70f2b376c86d..4730016d7cd4 100644
--- a/drivers/usb/gadget/amd5536udc.c
+++ b/drivers/usb/gadget/amd5536udc.c
@@ -8,15 +8,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
@@ -354,7 +345,7 @@ udc_ep_enable(struct usb_ep *usbep, const struct usb_endpoint_descriptor *desc)
writel(tmp, &dev->ep[ep->num].regs->ctl);
/* set max packet size */
- maxpacket = le16_to_cpu(desc->wMaxPacketSize);
+ maxpacket = usb_endpoint_maxp(desc);
tmp = readl(&dev->ep[ep->num].regs->bufout_maxpkt);
tmp = AMD_ADDBITS(tmp, maxpacket, UDC_EP_MAX_PKT_SIZE);
ep->ep.maxpacket = maxpacket;
@@ -3014,13 +3005,8 @@ __acquires(dev->lock)
/* link up all endpoints */
udc_setup_endpoints(dev);
- if (dev->gadget.speed == USB_SPEED_HIGH) {
- dev_info(&dev->pdev->dev, "Connect: speed = %s\n",
- "high");
- } else if (dev->gadget.speed == USB_SPEED_FULL) {
- dev_info(&dev->pdev->dev, "Connect: speed = %s\n",
- "full");
- }
+ dev_info(&dev->pdev->dev, "Connect: %s\n",
+ usb_speed_string(dev->gadget.speed));
/* init ep 0 */
activate_control_endpoints(dev);
diff --git a/drivers/usb/gadget/amd5536udc.h b/drivers/usb/gadget/amd5536udc.h
index 1d1c7543468e..f87e29c65325 100644
--- a/drivers/usb/gadget/amd5536udc.h
+++ b/drivers/usb/gadget/amd5536udc.h
@@ -8,15 +8,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef AMD5536UDC_H
diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c
index ddb118a76807..8efe0fa9228d 100644
--- a/drivers/usb/gadget/at91_udc.c
+++ b/drivers/usb/gadget/at91_udc.c
@@ -9,16 +9,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
*/
#undef VERBOSE_DEBUG
@@ -460,7 +450,7 @@ static void nuke(struct at91_ep *ep, int status)
{
struct at91_request *req;
- // terminer chaque requete dans la queue
+ /* terminate any request in the queue */
ep->stopped = 1;
if (list_empty(&ep->queue))
return;
@@ -487,7 +477,7 @@ static int at91_ep_enable(struct usb_ep *_ep,
|| !desc || ep->desc
|| _ep->name == ep0name
|| desc->bDescriptorType != USB_DT_ENDPOINT
- || (maxpacket = le16_to_cpu(desc->wMaxPacketSize)) == 0
+ || (maxpacket = usb_endpoint_maxp(desc)) == 0
|| maxpacket > ep->maxpacket) {
DBG("bad ep or descriptor\n");
return -EINVAL;
@@ -788,7 +778,7 @@ static const struct usb_ep_ops at91_ep_ops = {
.queue = at91_ep_queue,
.dequeue = at91_ep_dequeue,
.set_halt = at91_ep_set_halt,
- // there's only imprecise fifo status reporting
+ /* there's only imprecise fifo status reporting */
};
/*-------------------------------------------------------------------------*/
@@ -846,7 +836,7 @@ static void udc_reinit(struct at91_udc *udc)
ep->fifo_bank = 0;
ep->ep.maxpacket = ep->maxpacket;
ep->creg = (void __iomem *) udc->udp_baseaddr + AT91_UDP_CSR(i);
- // initialiser une queue par endpoint
+ /* initialize one queue per endpoint */
INIT_LIST_HEAD(&ep->queue);
}
}
@@ -952,7 +942,7 @@ static int at91_vbus_session(struct usb_gadget *gadget, int is_active)
struct at91_udc *udc = to_udc(gadget);
unsigned long flags;
- // VDBG("vbus %s\n", is_active ? "on" : "off");
+ /* VDBG("vbus %s\n", is_active ? "on" : "off"); */
spin_lock_irqsave(&udc->lock, flags);
udc->vbus = (is_active != 0);
if (udc->driver)
@@ -1003,7 +993,7 @@ static const struct usb_gadget_ops at91_udc_ops = {
* VBUS-powered devices may also also want to support bigger
* power budgets after an appropriate SET_CONFIGURATION.
*/
- // .vbus_power = at91_vbus_power,
+ /* .vbus_power = at91_vbus_power, */
};
/*-------------------------------------------------------------------------*/
@@ -1072,7 +1062,7 @@ static void handle_setup(struct at91_udc *udc, struct at91_ep *ep, u32 csr)
ep->is_in = 0;
}
} else {
- // REVISIT this happens sometimes under load; why??
+ /* REVISIT this happens sometimes under load; why?? */
ERR("SETUP len %d, csr %08x\n", rxcount, csr);
status = -EINVAL;
}
@@ -1451,7 +1441,7 @@ static irqreturn_t at91_udc_irq (int irq, void *_udc)
at91_udp_write(udc, AT91_UDP_IDR, AT91_UDP_RXSUSP);
at91_udp_write(udc, AT91_UDP_IER, AT91_UDP_RXRSM);
at91_udp_write(udc, AT91_UDP_ICR, AT91_UDP_RXSUSP);
- // VDBG("bus suspend\n");
+ /* VDBG("bus suspend\n"); */
if (udc->suspended)
continue;
udc->suspended = 1;
@@ -1473,7 +1463,7 @@ static irqreturn_t at91_udc_irq (int irq, void *_udc)
at91_udp_write(udc, AT91_UDP_IDR, AT91_UDP_RXRSM);
at91_udp_write(udc, AT91_UDP_IER, AT91_UDP_RXSUSP);
at91_udp_write(udc, AT91_UDP_ICR, AT91_UDP_RXRSM);
- // VDBG("bus resume\n");
+ /* VDBG("bus resume\n"); */
if (!udc->suspended)
continue;
udc->suspended = 0;
@@ -1820,7 +1810,7 @@ static int __init at91udc_probe(struct platform_device *pdev)
/* request UDC and maybe VBUS irqs */
udc->udp_irq = platform_get_irq(pdev, 0);
retval = request_irq(udc->udp_irq, at91_udc_irq,
- IRQF_DISABLED, driver_name, udc);
+ 0, driver_name, udc);
if (retval < 0) {
DBG("request irq %d failed\n", udc->udp_irq);
goto fail1;
@@ -1848,7 +1838,7 @@ static int __init at91udc_probe(struct platform_device *pdev)
jiffies + VBUS_POLL_TIMEOUT);
} else {
if (request_irq(udc->board.vbus_pin, at91_vbus_irq,
- IRQF_DISABLED, driver_name, udc)) {
+ 0, driver_name, udc)) {
DBG("request vbus irq %d failed\n",
udc->board.vbus_pin);
retval = -EBUSY;
diff --git a/drivers/usb/gadget/at91_udc.h b/drivers/usb/gadget/at91_udc.h
index 108ca54f9092..3c0315b86ace 100644
--- a/drivers/usb/gadget/at91_udc.h
+++ b/drivers/usb/gadget/at91_udc.h
@@ -7,16 +7,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the
- * Free Software Foundation, Inc.,
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef AT91_UDC_H
diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c
index 5b1665eb1bef..271a9d873608 100644
--- a/drivers/usb/gadget/atmel_usba_udc.c
+++ b/drivers/usb/gadget/atmel_usba_udc.c
@@ -527,7 +527,7 @@ usba_ep_enable(struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc)
DBG(DBG_GADGET, "%s: ep_enable: desc=%p\n", ep->ep.name, desc);
- maxpacket = le16_to_cpu(desc->wMaxPacketSize) & 0x7ff;
+ maxpacket = usb_endpoint_maxp(desc) & 0x7ff;
if (((desc->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK) != ep->index)
|| ep->index == 0
@@ -571,7 +571,7 @@ usba_ep_enable(struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc)
* Bits 11:12 specify number of _additional_
* transactions per microframe.
*/
- nr_trans = ((le16_to_cpu(desc->wMaxPacketSize) >> 11) & 3) + 1;
+ nr_trans = ((usb_endpoint_maxp(desc) >> 11) & 3) + 1;
if (nr_trans > 3)
return -EINVAL;
@@ -1718,13 +1718,12 @@ static irqreturn_t usba_udc_irq(int irq, void *devid)
spin_lock(&udc->lock);
}
- if (status & USBA_HIGH_SPEED) {
- DBG(DBG_BUS, "High-speed bus reset detected\n");
+ if (status & USBA_HIGH_SPEED)
udc->gadget.speed = USB_SPEED_HIGH;
- } else {
- DBG(DBG_BUS, "Full-speed bus reset detected\n");
+ else
udc->gadget.speed = USB_SPEED_FULL;
- }
+ DBG(DBG_BUS, "%s bus reset detected\n",
+ usb_speed_string(udc->gadget.speed));
ep0 = &usba_ep[0];
ep0->desc = &usba_ep0_desc;
diff --git a/drivers/usb/gadget/cdc2.c b/drivers/usb/gadget/cdc2.c
index b1c1afbb8750..672674c2fb3d 100644
--- a/drivers/usb/gadget/cdc2.c
+++ b/drivers/usb/gadget/cdc2.c
@@ -8,15 +8,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/kernel.h>
diff --git a/drivers/usb/gadget/ci13xxx_msm.c b/drivers/usb/gadget/ci13xxx_msm.c
index 470981ad6f77..4eedfe557154 100644
--- a/drivers/usb/gadget/ci13xxx_msm.c
+++ b/drivers/usb/gadget/ci13xxx_msm.c
@@ -3,17 +3,6 @@
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- *
*/
#include <linux/module.h>
diff --git a/drivers/usb/gadget/ci13xxx_udc.c b/drivers/usb/gadget/ci13xxx_udc.c
index 1265a8502ea0..83428f56253b 100644
--- a/drivers/usb/gadget/ci13xxx_udc.c
+++ b/drivers/usb/gadget/ci13xxx_udc.c
@@ -2101,7 +2101,7 @@ static int ep_enable(struct usb_ep *ep,
mEp->num = usb_endpoint_num(desc);
mEp->type = usb_endpoint_type(desc);
- mEp->ep.maxpacket = __constant_le16_to_cpu(desc->wMaxPacketSize);
+ mEp->ep.maxpacket = usb_endpoint_maxp(desc);
dbg_event(_usb_addr(mEp), "ENABLE", 0);
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index aef47414f5d5..8a5529d214fb 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -7,15 +7,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* #define VERBOSE_DEBUG */
@@ -164,7 +155,7 @@ int config_ep_by_speed(struct usb_gadget *g,
ep_found:
/* commit results */
- _ep->maxpacket = le16_to_cpu(chosen_desc->wMaxPacketSize);
+ _ep->maxpacket = usb_endpoint_maxp(chosen_desc);
_ep->desc = chosen_desc;
_ep->comp_desc = NULL;
_ep->maxburst = 0;
@@ -551,9 +542,9 @@ static int bos_desc(struct usb_composite_dev *cdev)
if (cdev->gadget->ops->get_config_params)
cdev->gadget->ops->get_config_params(&dcd_config_params);
else {
- dcd_config_params.bU1devExitLat = USB_DEFULT_U1_DEV_EXIT_LAT;
+ dcd_config_params.bU1devExitLat = USB_DEFAULT_U1_DEV_EXIT_LAT;
dcd_config_params.bU2DevExitLat =
- cpu_to_le16(USB_DEFULT_U2_DEV_EXIT_LAT);
+ cpu_to_le16(USB_DEFAULT_U2_DEV_EXIT_LAT);
}
ss_cap->bU1devExitLat = dcd_config_params.bU1devExitLat;
ss_cap->bU2DevExitLat = dcd_config_params.bU2DevExitLat;
@@ -626,25 +617,9 @@ static int set_config(struct usb_composite_dev *cdev,
result = 0;
}
- INFO(cdev, "%s speed config #%d: %s\n",
- ({ char *speed;
- switch (gadget->speed) {
- case USB_SPEED_LOW:
- speed = "low";
- break;
- case USB_SPEED_FULL:
- speed = "full";
- break;
- case USB_SPEED_HIGH:
- speed = "high";
- break;
- case USB_SPEED_SUPER:
- speed = "super";
- break;
- default:
- speed = "?";
- break;
- } ; speed; }), number, c ? c->label : "unconfigured");
+ INFO(cdev, "%s config #%d: %s\n",
+ usb_speed_string(gadget->speed),
+ number, c ? c->label : "unconfigured");
if (!c)
goto done;
diff --git a/drivers/usb/gadget/config.c b/drivers/usb/gadget/config.c
index b2c001334876..7542a72ce51a 100644
--- a/drivers/usb/gadget/config.c
+++ b/drivers/usb/gadget/config.c
@@ -7,15 +7,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/errno.h>
diff --git a/drivers/usb/gadget/dbgp.c b/drivers/usb/gadget/dbgp.c
index 8beefdd36787..f855ecf7a637 100644
--- a/drivers/usb/gadget/dbgp.c
+++ b/drivers/usb/gadget/dbgp.c
@@ -4,7 +4,6 @@
* Copyright (C) 2010 Stephane Duverger
*
* Released under the GPLv2.
- *
*/
/* verbose messages */
diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c
index e755a9d267fc..ab8f1b488d54 100644
--- a/drivers/usb/gadget/dummy_hcd.c
+++ b/drivers/usb/gadget/dummy_hcd.c
@@ -10,15 +10,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
@@ -439,7 +430,7 @@ dummy_enable (struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc)
* maximum packet size.
* For SS devices the wMaxPacketSize is limited by 1024.
*/
- max = le16_to_cpu(desc->wMaxPacketSize) & 0x7ff;
+ max = usb_endpoint_maxp(desc) & 0x7ff;
/* drivers must not request bad settings, since lower levels
* (hardware or its drivers) may not check. some endpoints
@@ -1277,7 +1268,7 @@ static int periodic_bytes (struct dummy *dum, struct dummy_ep *ep)
int tmp;
/* high bandwidth mode */
- tmp = le16_to_cpu(ep->desc->wMaxPacketSize);
+ tmp = usb_endpoint_maxp(ep->desc);
tmp = (tmp >> 11) & 0x03;
tmp *= 8 /* applies to entire frame */;
limit += limit * tmp;
diff --git a/drivers/usb/gadget/epautoconf.c b/drivers/usb/gadget/epautoconf.c
index 7a7e6b7e1fd6..596a0b464e61 100644
--- a/drivers/usb/gadget/epautoconf.c
+++ b/drivers/usb/gadget/epautoconf.c
@@ -7,16 +7,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
*/
#include <linux/kernel.h>
@@ -158,7 +148,7 @@ ep_matches (
* where it's an output parameter representing the full speed limit.
* the usb spec fixes high speed bulk maxpacket at 512 bytes.
*/
- max = 0x7ff & le16_to_cpu(desc->wMaxPacketSize);
+ max = 0x7ff & usb_endpoint_maxp(desc);
switch (type) {
case USB_ENDPOINT_XFER_INT:
/* INT: limit 64 bytes full speed, 1024 high/super speed */
diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
index aafc84f33e26..0cd764d59351 100644
--- a/drivers/usb/gadget/ether.c
+++ b/drivers/usb/gadget/ether.c
@@ -9,15 +9,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* #define VERBOSE_DEBUG */
diff --git a/drivers/usb/gadget/f_audio.c b/drivers/usb/gadget/f_audio.c
index a9a4eade7e80..ec7ffcd0d0cd 100644
--- a/drivers/usb/gadget/f_audio.c
+++ b/drivers/usb/gadget/f_audio.c
@@ -460,7 +460,7 @@ static int audio_set_endpoint_req(struct usb_function *f,
switch (ctrl->bRequest) {
case UAC_SET_CUR:
- value = 0;
+ value = len;
break;
case UAC_SET_MIN:
@@ -499,7 +499,7 @@ static int audio_get_endpoint_req(struct usb_function *f,
case UAC_GET_MIN:
case UAC_GET_MAX:
case UAC_GET_RES:
- value = 3;
+ value = len;
break;
case UAC_GET_MEM:
break;
@@ -681,17 +681,18 @@ f_audio_bind(struct usb_configuration *c, struct usb_function *f)
status = -ENOMEM;
- /* supcard all relevant hardware speeds... we expect that when
+ /* copy descriptors, and track endpoint copies */
+ f->descriptors = usb_copy_descriptors(f_audio_desc);
+
+ /*
+ * support all relevant hardware speeds... we expect that when
* hardware is dual speed, all bulk-capable endpoints work at
* both speeds
*/
-
- /* copy descriptors, and track endpoint copies */
if (gadget_is_dualspeed(c->cdev->gadget)) {
c->highspeed = true;
f->hs_descriptors = usb_copy_descriptors(f_audio_desc);
- } else
- f->descriptors = usb_copy_descriptors(f_audio_desc);
+ }
return 0;
diff --git a/drivers/usb/gadget/f_ecm.c b/drivers/usb/gadget/f_ecm.c
index 3691a0cb9465..11c07cb7d337 100644
--- a/drivers/usb/gadget/f_ecm.c
+++ b/drivers/usb/gadget/f_ecm.c
@@ -8,15 +8,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* #define VERBOSE_DEBUG */
diff --git a/drivers/usb/gadget/f_eem.c b/drivers/usb/gadget/f_eem.c
index 046c6d0e6960..1a7b2dd7d408 100644
--- a/drivers/usb/gadget/f_eem.c
+++ b/drivers/usb/gadget/f_eem.c
@@ -9,15 +9,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/kernel.h>
diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c
index c161a9aaeb7e..6b1c20b6c9b2 100644
--- a/drivers/usb/gadget/f_fs.c
+++ b/drivers/usb/gadget/f_fs.c
@@ -12,15 +12,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
diff --git a/drivers/usb/gadget/f_hid.c b/drivers/usb/gadget/f_hid.c
index 83a266bdb40e..b2113420b806 100644
--- a/drivers/usb/gadget/f_hid.c
+++ b/drivers/usb/gadget/f_hid.c
@@ -7,15 +7,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/kernel.h>
diff --git a/drivers/usb/gadget/f_loopback.c b/drivers/usb/gadget/f_loopback.c
index ca660d40b11a..6d87f288df4e 100644
--- a/drivers/usb/gadget/f_loopback.c
+++ b/drivers/usb/gadget/f_loopback.c
@@ -8,15 +8,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* #define VERBOSE_DEBUG */
diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c
index 5b9339582007..52583a235330 100644
--- a/drivers/usb/gadget/f_mass_storage.c
+++ b/drivers/usb/gadget/f_mass_storage.c
@@ -112,8 +112,7 @@
* is not loaded (an empty string as "filename" in the fsg_config
* structure causes error). The CD-ROM emulation includes a single
* data track and no audio tracks; hence there need be only one
- * backing file per LUN. Note also that the CD-ROM block length is
- * set to 512 rather than the more common value 2048.
+ * backing file per LUN.
*
*
* MSF includes support for module parameters. If gadget using it
@@ -363,7 +362,7 @@ struct fsg_common {
struct fsg_buffhd *next_buffhd_to_fill;
struct fsg_buffhd *next_buffhd_to_drain;
- struct fsg_buffhd buffhds[FSG_NUM_BUFFERS];
+ struct fsg_buffhd *buffhds;
int cmnd_size;
u8 cmnd[MAX_COMMAND_SIZE];
@@ -745,7 +744,6 @@ static int do_read(struct fsg_common *common)
u32 amount_left;
loff_t file_offset, file_offset_tmp;
unsigned int amount;
- unsigned int partial_page;
ssize_t nread;
/*
@@ -771,7 +769,7 @@ static int do_read(struct fsg_common *common)
curlun->sense_data = SS_LOGICAL_BLOCK_ADDRESS_OUT_OF_RANGE;
return -EINVAL;
}
- file_offset = ((loff_t) lba) << 9;
+ file_offset = ((loff_t) lba) << curlun->blkbits;
/* Carry out the file reads */
amount_left = common->data_size_from_cmnd;
@@ -784,18 +782,10 @@ static int do_read(struct fsg_common *common)
* Try to read the remaining amount.
* But don't read more than the buffer size.
* And don't try to read past the end of the file.
- * Finally, if we're not at a page boundary, don't read past
- * the next page.
- * If this means reading 0 then we were asked to read past
- * the end of file.
*/
amount = min(amount_left, FSG_BUFLEN);
amount = min((loff_t)amount,
curlun->file_length - file_offset);
- partial_page = file_offset & (PAGE_CACHE_SIZE - 1);
- if (partial_page > 0)
- amount = min(amount, (unsigned int)PAGE_CACHE_SIZE -
- partial_page);
/* Wait for the next buffer to become available */
bh = common->next_buffhd_to_fill;
@@ -812,7 +802,8 @@ static int do_read(struct fsg_common *common)
if (amount == 0) {
curlun->sense_data =
SS_LOGICAL_BLOCK_ADDRESS_OUT_OF_RANGE;
- curlun->sense_data_info = file_offset >> 9;
+ curlun->sense_data_info =
+ file_offset >> curlun->blkbits;
curlun->info_valid = 1;
bh->inreq->length = 0;
bh->state = BUF_STATE_FULL;
@@ -835,18 +826,25 @@ static int do_read(struct fsg_common *common)
} else if (nread < amount) {
LDBG(curlun, "partial file read: %d/%u\n",
(int)nread, amount);
- nread -= (nread & 511); /* Round down to a block */
+ nread = round_down(nread, curlun->blksize);
}
file_offset += nread;
amount_left -= nread;
common->residue -= nread;
+
+ /*
+ * Except at the end of the transfer, nread will be
+ * equal to the buffer size, which is divisible by the
+ * bulk-in maxpacket size.
+ */
bh->inreq->length = nread;
bh->state = BUF_STATE_FULL;
/* If an error occurred, report it and its position */
if (nread < amount) {
curlun->sense_data = SS_UNRECOVERED_READ_ERROR;
- curlun->sense_data_info = file_offset >> 9;
+ curlun->sense_data_info =
+ file_offset >> curlun->blkbits;
curlun->info_valid = 1;
break;
}
@@ -877,7 +875,6 @@ static int do_write(struct fsg_common *common)
u32 amount_left_to_req, amount_left_to_write;
loff_t usb_offset, file_offset, file_offset_tmp;
unsigned int amount;
- unsigned int partial_page;
ssize_t nwritten;
int rc;
@@ -921,7 +918,7 @@ static int do_write(struct fsg_common *common)
/* Carry out the file writes */
get_some_more = 1;
- file_offset = usb_offset = ((loff_t) lba) << 9;
+ file_offset = usb_offset = ((loff_t) lba) << curlun->blkbits;
amount_left_to_req = common->data_size_from_cmnd;
amount_left_to_write = common->data_size_from_cmnd;
@@ -933,41 +930,21 @@ static int do_write(struct fsg_common *common)
/*
* Figure out how much we want to get:
- * Try to get the remaining amount.
- * But don't get more than the buffer size.
- * And don't try to go past the end of the file.
- * If we're not at a page boundary,
- * don't go past the next page.
- * If this means getting 0, then we were asked
- * to write past the end of file.
- * Finally, round down to a block boundary.
+ * Try to get the remaining amount,
+ * but not more than the buffer size.
*/
amount = min(amount_left_to_req, FSG_BUFLEN);
- amount = min((loff_t)amount,
- curlun->file_length - usb_offset);
- partial_page = usb_offset & (PAGE_CACHE_SIZE - 1);
- if (partial_page > 0)
- amount = min(amount,
- (unsigned int)PAGE_CACHE_SIZE - partial_page);
-
- if (amount == 0) {
+
+ /* Beyond the end of the backing file? */
+ if (usb_offset >= curlun->file_length) {
get_some_more = 0;
curlun->sense_data =
SS_LOGICAL_BLOCK_ADDRESS_OUT_OF_RANGE;
- curlun->sense_data_info = usb_offset >> 9;
+ curlun->sense_data_info =
+ usb_offset >> curlun->blkbits;
curlun->info_valid = 1;
continue;
}
- amount -= amount & 511;
- if (amount == 0) {
-
- /*
- * Why were we were asked to transfer a
- * partial block?
- */
- get_some_more = 0;
- continue;
- }
/* Get the next buffer */
usb_offset += amount;
@@ -977,12 +954,11 @@ static int do_write(struct fsg_common *common)
get_some_more = 0;
/*
- * amount is always divisible by 512, hence by
- * the bulk-out maxpacket size
+ * Except at the end of the transfer, amount will be
+ * equal to the buffer size, which is divisible by
+ * the bulk-out maxpacket size.
*/
- bh->outreq->length = amount;
- bh->bulk_out_intended_length = amount;
- bh->outreq->short_not_ok = 1;
+ set_bulk_out_req_length(common, bh, amount);
if (!start_out_transfer(common, bh))
/* Dunno what to do if common->fsg is NULL */
return -EIO;
@@ -1002,7 +978,8 @@ static int do_write(struct fsg_common *common)
/* Did something go wrong with the transfer? */
if (bh->outreq->status != 0) {
curlun->sense_data = SS_COMMUNICATION_FAILURE;
- curlun->sense_data_info = file_offset >> 9;
+ curlun->sense_data_info =
+ file_offset >> curlun->blkbits;
curlun->info_valid = 1;
break;
}
@@ -1016,6 +993,16 @@ static int do_write(struct fsg_common *common)
amount = curlun->file_length - file_offset;
}
+ /* Don't accept excess data. The spec doesn't say
+ * what to do in this case. We'll ignore the error.
+ */
+ amount = min(amount, bh->bulk_out_intended_length);
+
+ /* Don't write a partial block */
+ amount = round_down(amount, curlun->blksize);
+ if (amount == 0)
+ goto empty_write;
+
/* Perform the write */
file_offset_tmp = file_offset;
nwritten = vfs_write(curlun->filp,
@@ -1033,8 +1020,7 @@ static int do_write(struct fsg_common *common)
} else if (nwritten < amount) {
LDBG(curlun, "partial file write: %d/%u\n",
(int)nwritten, amount);
- nwritten -= (nwritten & 511);
- /* Round down to a block */
+ nwritten = round_down(nwritten, curlun->blksize);
}
file_offset += nwritten;
amount_left_to_write -= nwritten;
@@ -1043,13 +1029,15 @@ static int do_write(struct fsg_common *common)
/* If an error occurred, report it and its position */
if (nwritten < amount) {
curlun->sense_data = SS_WRITE_ERROR;
- curlun->sense_data_info = file_offset >> 9;
+ curlun->sense_data_info =
+ file_offset >> curlun->blkbits;
curlun->info_valid = 1;
break;
}
+ empty_write:
/* Did the host decide to stop early? */
- if (bh->outreq->actual != bh->outreq->length) {
+ if (bh->outreq->actual < bh->bulk_out_intended_length) {
common->short_packet_received = 1;
break;
}
@@ -1129,8 +1117,8 @@ static int do_verify(struct fsg_common *common)
return -EIO; /* No default reply */
/* Prepare to carry out the file verify */
- amount_left = verification_length << 9;
- file_offset = ((loff_t) lba) << 9;
+ amount_left = verification_length << curlun->blkbits;
+ file_offset = ((loff_t) lba) << curlun->blkbits;
/* Write out all the dirty buffers before invalidating them */
fsg_lun_fsync_sub(curlun);
@@ -1148,8 +1136,6 @@ static int do_verify(struct fsg_common *common)
* Try to read the remaining amount, but not more than
* the buffer size.
* And don't try to read past the end of the file.
- * If this means reading 0 then we were asked to read
- * past the end of file.
*/
amount = min(amount_left, FSG_BUFLEN);
amount = min((loff_t)amount,
@@ -1157,7 +1143,8 @@ static int do_verify(struct fsg_common *common)
if (amount == 0) {
curlun->sense_data =
SS_LOGICAL_BLOCK_ADDRESS_OUT_OF_RANGE;
- curlun->sense_data_info = file_offset >> 9;
+ curlun->sense_data_info =
+ file_offset >> curlun->blkbits;
curlun->info_valid = 1;
break;
}
@@ -1179,11 +1166,12 @@ static int do_verify(struct fsg_common *common)
} else if (nread < amount) {
LDBG(curlun, "partial file verify: %d/%u\n",
(int)nread, amount);
- nread -= nread & 511; /* Round down to a sector */
+ nread = round_down(nread, curlun->blksize);
}
if (nread == 0) {
curlun->sense_data = SS_UNRECOVERED_READ_ERROR;
- curlun->sense_data_info = file_offset >> 9;
+ curlun->sense_data_info =
+ file_offset >> curlun->blkbits;
curlun->info_valid = 1;
break;
}
@@ -1289,7 +1277,7 @@ static int do_read_capacity(struct fsg_common *common, struct fsg_buffhd *bh)
put_unaligned_be32(curlun->num_sectors - 1, &buf[0]);
/* Max logical block */
- put_unaligned_be32(512, &buf[4]); /* Block length */
+ put_unaligned_be32(curlun->blksize, &buf[4]);/* Block length */
return 8;
}
@@ -1527,7 +1515,7 @@ static int do_read_format_capacities(struct fsg_common *common,
put_unaligned_be32(curlun->num_sectors, &buf[0]);
/* Number of blocks */
- put_unaligned_be32(512, &buf[4]); /* Block length */
+ put_unaligned_be32(curlun->blksize, &buf[4]);/* Block length */
buf[4] = 0x02; /* Current capacity */
return 12;
}
@@ -1607,7 +1595,7 @@ static int throw_away_data(struct fsg_common *common)
common->next_buffhd_to_drain = bh->next;
/* A short packet or an error ends everything */
- if (bh->outreq->actual != bh->outreq->length ||
+ if (bh->outreq->actual < bh->bulk_out_intended_length ||
bh->outreq->status != 0) {
raise_exception(common,
FSG_STATE_ABORT_BULK_OUT);
@@ -1623,12 +1611,11 @@ static int throw_away_data(struct fsg_common *common)
amount = min(common->usb_amount_left, FSG_BUFLEN);
/*
- * amount is always divisible by 512, hence by
+ * Except at the end of the transfer, amount will be
+ * equal to the buffer size, which is divisible by
* the bulk-out maxpacket size.
*/
- bh->outreq->length = amount;
- bh->bulk_out_intended_length = amount;
- bh->outreq->short_not_ok = 1;
+ set_bulk_out_req_length(common, bh, amount);
if (!start_out_transfer(common, bh))
/* Dunno what to do if common->fsg is NULL */
return -EIO;
@@ -2022,7 +2009,8 @@ static int do_scsi_command(struct fsg_common *common)
case READ_6:
i = common->cmnd[4];
- common->data_size_from_cmnd = (i == 0 ? 256 : i) << 9;
+ common->data_size_from_cmnd = (i == 0 ? 256 : i) <<
+ common->curlun->blkbits;
reply = check_command(common, 6, DATA_DIR_TO_HOST,
(7<<1) | (1<<4), 1,
"READ(6)");
@@ -2032,7 +2020,8 @@ static int do_scsi_command(struct fsg_common *common)
case READ_10:
common->data_size_from_cmnd =
- get_unaligned_be16(&common->cmnd[7]) << 9;
+ get_unaligned_be16(&common->cmnd[7]) <<
+ common->curlun->blkbits;
reply = check_command(common, 10, DATA_DIR_TO_HOST,
(1<<1) | (0xf<<2) | (3<<7), 1,
"READ(10)");
@@ -2042,7 +2031,8 @@ static int do_scsi_command(struct fsg_common *common)
case READ_12:
common->data_size_from_cmnd =
- get_unaligned_be32(&common->cmnd[6]) << 9;
+ get_unaligned_be32(&common->cmnd[6]) <<
+ common->curlun->blkbits;
reply = check_command(common, 12, DATA_DIR_TO_HOST,
(1<<1) | (0xf<<2) | (0xf<<6), 1,
"READ(12)");
@@ -2142,7 +2132,8 @@ static int do_scsi_command(struct fsg_common *common)
case WRITE_6:
i = common->cmnd[4];
- common->data_size_from_cmnd = (i == 0 ? 256 : i) << 9;
+ common->data_size_from_cmnd = (i == 0 ? 256 : i) <<
+ common->curlun->blkbits;
reply = check_command(common, 6, DATA_DIR_FROM_HOST,
(7<<1) | (1<<4), 1,
"WRITE(6)");
@@ -2152,7 +2143,8 @@ static int do_scsi_command(struct fsg_common *common)
case WRITE_10:
common->data_size_from_cmnd =
- get_unaligned_be16(&common->cmnd[7]) << 9;
+ get_unaligned_be16(&common->cmnd[7]) <<
+ common->curlun->blkbits;
reply = check_command(common, 10, DATA_DIR_FROM_HOST,
(1<<1) | (0xf<<2) | (3<<7), 1,
"WRITE(10)");
@@ -2162,7 +2154,8 @@ static int do_scsi_command(struct fsg_common *common)
case WRITE_12:
common->data_size_from_cmnd =
- get_unaligned_be32(&common->cmnd[6]) << 9;
+ get_unaligned_be32(&common->cmnd[6]) <<
+ common->curlun->blkbits;
reply = check_command(common, 12, DATA_DIR_FROM_HOST,
(1<<1) | (0xf<<2) | (0xf<<6), 1,
"WRITE(12)");
@@ -2297,7 +2290,6 @@ static int get_next_command(struct fsg_common *common)
/* Queue a request to read a Bulk-only CBW */
set_bulk_out_req_length(common, bh, USB_BULK_CB_WRAP_LEN);
- bh->outreq->short_not_ok = 1;
if (!start_out_transfer(common, bh))
/* Don't know what to do if common->fsg is NULL */
return -EIO;
@@ -2348,7 +2340,7 @@ reset:
if (common->fsg) {
fsg = common->fsg;
- for (i = 0; i < FSG_NUM_BUFFERS; ++i) {
+ for (i = 0; i < fsg_num_buffers; ++i) {
struct fsg_buffhd *bh = &common->buffhds[i];
if (bh->inreq) {
@@ -2401,12 +2393,11 @@ reset:
goto reset;
fsg->bulk_out->driver_data = common;
fsg->bulk_out_enabled = 1;
- common->bulk_out_maxpacket =
- le16_to_cpu(fsg->bulk_out->desc->wMaxPacketSize);
+ common->bulk_out_maxpacket = usb_endpoint_maxp(fsg->bulk_out->desc);
clear_bit(IGNORE_BULK_OUT, &fsg->atomic_bitflags);
/* Allocate the requests */
- for (i = 0; i < FSG_NUM_BUFFERS; ++i) {
+ for (i = 0; i < fsg_num_buffers; ++i) {
struct fsg_buffhd *bh = &common->buffhds[i];
rc = alloc_request(common, fsg->bulk_in, &bh->inreq);
@@ -2475,7 +2466,7 @@ static void handle_exception(struct fsg_common *common)
/* Cancel all the pending transfers */
if (likely(common->fsg)) {
- for (i = 0; i < FSG_NUM_BUFFERS; ++i) {
+ for (i = 0; i < fsg_num_buffers; ++i) {
bh = &common->buffhds[i];
if (bh->inreq_busy)
usb_ep_dequeue(common->fsg->bulk_in, bh->inreq);
@@ -2487,7 +2478,7 @@ static void handle_exception(struct fsg_common *common)
/* Wait until everything is idle */
for (;;) {
int num_active = 0;
- for (i = 0; i < FSG_NUM_BUFFERS; ++i) {
+ for (i = 0; i < fsg_num_buffers; ++i) {
bh = &common->buffhds[i];
num_active += bh->inreq_busy + bh->outreq_busy;
}
@@ -2510,7 +2501,7 @@ static void handle_exception(struct fsg_common *common)
*/
spin_lock_irq(&common->lock);
- for (i = 0; i < FSG_NUM_BUFFERS; ++i) {
+ for (i = 0; i < fsg_num_buffers; ++i) {
bh = &common->buffhds[i];
bh->state = BUF_STATE_EMPTY;
}
@@ -2719,6 +2710,10 @@ static struct fsg_common *fsg_common_init(struct fsg_common *common,
int nluns, i, rc;
char *pathbuf;
+ rc = fsg_num_buffers_validate();
+ if (rc != 0)
+ return ERR_PTR(rc);
+
/* Find out how many LUNs there should be */
nluns = cfg->nluns;
if (nluns < 1 || nluns > FSG_MAX_LUNS) {
@@ -2737,6 +2732,14 @@ static struct fsg_common *fsg_common_init(struct fsg_common *common,
common->free_storage_on_release = 0;
}
+ common->buffhds = kcalloc(fsg_num_buffers,
+ sizeof *(common->buffhds), GFP_KERNEL);
+ if (!common->buffhds) {
+ if (common->free_storage_on_release)
+ kfree(common);
+ return ERR_PTR(-ENOMEM);
+ }
+
common->ops = cfg->ops;
common->private_data = cfg->private_data;
@@ -2814,7 +2817,7 @@ static struct fsg_common *fsg_common_init(struct fsg_common *common,
/* Data buffers cyclic list */
bh = common->buffhds;
- i = FSG_NUM_BUFFERS;
+ i = fsg_num_buffers;
goto buffhds_first_it;
do {
bh->next = bh + 1;
@@ -2940,12 +2943,13 @@ static void fsg_common_release(struct kref *ref)
{
struct fsg_buffhd *bh = common->buffhds;
- unsigned i = FSG_NUM_BUFFERS;
+ unsigned i = fsg_num_buffers;
do {
kfree(bh->buf);
} while (++bh, --i);
}
+ kfree(common->buffhds);
if (common->free_storage_on_release)
kfree(common);
}
@@ -3019,6 +3023,28 @@ static int fsg_bind(struct usb_configuration *c, struct usb_function *f)
}
}
+ if (gadget_is_superspeed(gadget)) {
+ unsigned max_burst;
+
+ /* Calculate bMaxBurst, we know packet size is 1024 */
+ max_burst = min_t(unsigned, FSG_BUFLEN / 1024, 15);
+
+ fsg_ss_bulk_in_desc.bEndpointAddress =
+ fsg_fs_bulk_in_desc.bEndpointAddress;
+ fsg_ss_bulk_in_comp_desc.bMaxBurst = max_burst;
+
+ fsg_ss_bulk_out_desc.bEndpointAddress =
+ fsg_fs_bulk_out_desc.bEndpointAddress;
+ fsg_ss_bulk_out_comp_desc.bMaxBurst = max_burst;
+
+ f->ss_descriptors = usb_copy_descriptors(fsg_ss_function);
+ if (unlikely(!f->ss_descriptors)) {
+ usb_free_descriptors(f->hs_descriptors);
+ usb_free_descriptors(f->descriptors);
+ return -ENOMEM;
+ }
+ }
+
return 0;
autoconf_fail:
diff --git a/drivers/usb/gadget/f_midi.c b/drivers/usb/gadget/f_midi.c
new file mode 100644
index 000000000000..67b222908cf9
--- /dev/null
+++ b/drivers/usb/gadget/f_midi.c
@@ -0,0 +1,998 @@
+/*
+ * f_midi.c -- USB MIDI class function driver
+ *
+ * Copyright (C) 2006 Thumtronics Pty Ltd.
+ * Developed for Thumtronics by Grey Innovation
+ * Ben Williamson <ben.williamson@greyinnovation.com>
+ *
+ * Rewritten for the composite framework
+ * Copyright (C) 2011 Daniel Mack <zonque@gmail.com>
+ *
+ * Based on drivers/usb/gadget/f_audio.c,
+ * Copyright (C) 2008 Bryan Wu <cooloney@kernel.org>
+ * Copyright (C) 2008 Analog Devices, Inc
+ *
+ * and drivers/usb/gadget/midi.c,
+ * Copyright (C) 2006 Thumtronics Pty Ltd.
+ * Ben Williamson <ben.williamson@greyinnovation.com>
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/utsname.h>
+#include <linux/device.h>
+
+#include <sound/core.h>
+#include <sound/initval.h>
+#include <sound/rawmidi.h>
+
+#include <linux/usb/ch9.h>
+#include <linux/usb/gadget.h>
+#include <linux/usb/audio.h>
+#include <linux/usb/midi.h>
+
+MODULE_AUTHOR("Ben Williamson");
+MODULE_LICENSE("GPL v2");
+
+static const char f_midi_shortname[] = "f_midi";
+static const char f_midi_longname[] = "MIDI Gadget";
+
+/*
+ * We can only handle 16 cables on one single endpoint, as cable numbers are
+ * stored in 4-bit fields. And as the interface currently only holds one
+ * single endpoint, this is the maximum number of ports we can allow.
+ */
+#define MAX_PORTS 16
+
+/*
+ * This is a gadget, and the IN/OUT naming is from the host's perspective.
+ * USB -> OUT endpoint -> rawmidi
+ * USB <- IN endpoint <- rawmidi
+ */
+struct gmidi_in_port {
+ struct f_midi *midi;
+ int active;
+ uint8_t cable;
+ uint8_t state;
+#define STATE_UNKNOWN 0
+#define STATE_1PARAM 1
+#define STATE_2PARAM_1 2
+#define STATE_2PARAM_2 3
+#define STATE_SYSEX_0 4
+#define STATE_SYSEX_1 5
+#define STATE_SYSEX_2 6
+ uint8_t data[2];
+};
+
+struct f_midi {
+ struct usb_function func;
+ struct usb_gadget *gadget;
+ struct usb_ep *in_ep, *out_ep;
+ struct snd_card *card;
+ struct snd_rawmidi *rmidi;
+
+ struct snd_rawmidi_substream *in_substream[MAX_PORTS];
+ struct snd_rawmidi_substream *out_substream[MAX_PORTS];
+ struct gmidi_in_port *in_port[MAX_PORTS];
+
+ unsigned long out_triggered;
+ struct tasklet_struct tasklet;
+ unsigned int in_ports;
+ unsigned int out_ports;
+ int index;
+ char *id;
+ unsigned int buflen, qlen;
+};
+
+static inline struct f_midi *func_to_midi(struct usb_function *f)
+{
+ return container_of(f, struct f_midi, func);
+}
+
+static void f_midi_transmit(struct f_midi *midi, struct usb_request *req);
+
+DECLARE_UAC_AC_HEADER_DESCRIPTOR(1);
+DECLARE_USB_MIDI_OUT_JACK_DESCRIPTOR(1);
+DECLARE_USB_MIDI_OUT_JACK_DESCRIPTOR(16);
+DECLARE_USB_MS_ENDPOINT_DESCRIPTOR(16);
+
+/* B.3.1 Standard AC Interface Descriptor */
+static struct usb_interface_descriptor ac_interface_desc __initdata = {
+ .bLength = USB_DT_INTERFACE_SIZE,
+ .bDescriptorType = USB_DT_INTERFACE,
+ /* .bInterfaceNumber = DYNAMIC */
+ /* .bNumEndpoints = DYNAMIC */
+ .bInterfaceClass = USB_CLASS_AUDIO,
+ .bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL,
+ /* .iInterface = DYNAMIC */
+};
+
+/* B.3.2 Class-Specific AC Interface Descriptor */
+static struct uac1_ac_header_descriptor_1 ac_header_desc __initdata = {
+ .bLength = UAC_DT_AC_HEADER_SIZE(1),
+ .bDescriptorType = USB_DT_CS_INTERFACE,
+ .bDescriptorSubtype = USB_MS_HEADER,
+ .bcdADC = cpu_to_le16(0x0100),
+ .wTotalLength = cpu_to_le16(UAC_DT_AC_HEADER_SIZE(1)),
+ .bInCollection = 1,
+ /* .baInterfaceNr = DYNAMIC */
+};
+
+/* B.4.1 Standard MS Interface Descriptor */
+static struct usb_interface_descriptor ms_interface_desc __initdata = {
+ .bLength = USB_DT_INTERFACE_SIZE,
+ .bDescriptorType = USB_DT_INTERFACE,
+ /* .bInterfaceNumber = DYNAMIC */
+ .bNumEndpoints = 2,
+ .bInterfaceClass = USB_CLASS_AUDIO,
+ .bInterfaceSubClass = USB_SUBCLASS_MIDISTREAMING,
+ /* .iInterface = DYNAMIC */
+};
+
+/* B.4.2 Class-Specific MS Interface Descriptor */
+static struct usb_ms_header_descriptor ms_header_desc __initdata = {
+ .bLength = USB_DT_MS_HEADER_SIZE,
+ .bDescriptorType = USB_DT_CS_INTERFACE,
+ .bDescriptorSubtype = USB_MS_HEADER,
+ .bcdMSC = cpu_to_le16(0x0100),
+ /* .wTotalLength = DYNAMIC */
+};
+
+/* B.4.3 Embedded MIDI IN Jack Descriptor */
+static struct usb_midi_in_jack_descriptor jack_in_emb_desc = {
+ .bLength = USB_DT_MIDI_IN_SIZE,
+ .bDescriptorType = USB_DT_CS_INTERFACE,
+ .bDescriptorSubtype = USB_MS_MIDI_IN_JACK,
+ .bJackType = USB_MS_EMBEDDED,
+ /* .bJackID = DYNAMIC */
+};
+
+/* B.4.4 Embedded MIDI OUT Jack Descriptor */
+static struct usb_midi_out_jack_descriptor_16 jack_out_emb_desc = {
+ /* .bLength = DYNAMIC */
+ .bDescriptorType = USB_DT_CS_INTERFACE,
+ .bDescriptorSubtype = USB_MS_MIDI_OUT_JACK,
+ .bJackType = USB_MS_EMBEDDED,
+ /* .bJackID = DYNAMIC */
+ /* .bNrInputPins = DYNAMIC */
+ /* .pins = DYNAMIC */
+};
+
+/* B.5.1 Standard Bulk OUT Endpoint Descriptor */
+static struct usb_endpoint_descriptor bulk_out_desc = {
+ .bLength = USB_DT_ENDPOINT_AUDIO_SIZE,
+ .bDescriptorType = USB_DT_ENDPOINT,
+ .bEndpointAddress = USB_DIR_OUT,
+ .bmAttributes = USB_ENDPOINT_XFER_BULK,
+};
+
+/* B.5.2 Class-specific MS Bulk OUT Endpoint Descriptor */
+static struct usb_ms_endpoint_descriptor_16 ms_out_desc = {
+ /* .bLength = DYNAMIC */
+ .bDescriptorType = USB_DT_CS_ENDPOINT,
+ .bDescriptorSubtype = USB_MS_GENERAL,
+ /* .bNumEmbMIDIJack = DYNAMIC */
+ /* .baAssocJackID = DYNAMIC */
+};
+
+/* B.6.1 Standard Bulk IN Endpoint Descriptor */
+static struct usb_endpoint_descriptor bulk_in_desc = {
+ .bLength = USB_DT_ENDPOINT_AUDIO_SIZE,
+ .bDescriptorType = USB_DT_ENDPOINT,
+ .bEndpointAddress = USB_DIR_IN,
+ .bmAttributes = USB_ENDPOINT_XFER_BULK,
+};
+
+/* B.6.2 Class-specific MS Bulk IN Endpoint Descriptor */
+static struct usb_ms_endpoint_descriptor_16 ms_in_desc = {
+ /* .bLength = DYNAMIC */
+ .bDescriptorType = USB_DT_CS_ENDPOINT,
+ .bDescriptorSubtype = USB_MS_GENERAL,
+ /* .bNumEmbMIDIJack = DYNAMIC */
+ /* .baAssocJackID = DYNAMIC */
+};
+
+/* string IDs are assigned dynamically */
+
+#define STRING_FUNC_IDX 0
+
+static struct usb_string midi_string_defs[] = {
+ [STRING_FUNC_IDX].s = "MIDI function",
+ { } /* end of list */
+};
+
+static struct usb_gadget_strings midi_stringtab = {
+ .language = 0x0409, /* en-us */
+ .strings = midi_string_defs,
+};
+
+static struct usb_gadget_strings *midi_strings[] = {
+ &midi_stringtab,
+ NULL,
+};
+
+static struct usb_request *alloc_ep_req(struct usb_ep *ep, unsigned length)
+{
+ struct usb_request *req;
+
+ req = usb_ep_alloc_request(ep, GFP_ATOMIC);
+ if (req) {
+ req->length = length;
+ req->buf = kmalloc(length, GFP_ATOMIC);
+ if (!req->buf) {
+ usb_ep_free_request(ep, req);
+ req = NULL;
+ }
+ }
+ return req;
+}
+
+static void free_ep_req(struct usb_ep *ep, struct usb_request *req)
+{
+ kfree(req->buf);
+ usb_ep_free_request(ep, req);
+}
+
+static const uint8_t f_midi_cin_length[] = {
+ 0, 0, 2, 3, 3, 1, 2, 3, 3, 3, 3, 3, 2, 2, 3, 1
+};
+
+/*
+ * Receives a chunk of MIDI data.
+ */
+static void f_midi_read_data(struct usb_ep *ep, int cable,
+ uint8_t *data, int length)
+{
+ struct f_midi *midi = ep->driver_data;
+ struct snd_rawmidi_substream *substream = midi->out_substream[cable];
+
+ if (!substream)
+ /* Nobody is listening - throw it on the floor. */
+ return;
+
+ if (!test_bit(cable, &midi->out_triggered))
+ return;
+
+ snd_rawmidi_receive(substream, data, length);
+}
+
+static void f_midi_handle_out_data(struct usb_ep *ep, struct usb_request *req)
+{
+ unsigned int i;
+ u8 *buf = req->buf;
+
+ for (i = 0; i + 3 < req->actual; i += 4)
+ if (buf[i] != 0) {
+ int cable = buf[i] >> 4;
+ int length = f_midi_cin_length[buf[i] & 0x0f];
+ f_midi_read_data(ep, cable, &buf[i + 1], length);
+ }
+}
+
+static void
+f_midi_complete(struct usb_ep *ep, struct usb_request *req)
+{
+ struct f_midi *midi = ep->driver_data;
+ struct usb_composite_dev *cdev = midi->func.config->cdev;
+ int status = req->status;
+
+ switch (status) {
+ case 0: /* normal completion */
+ if (ep == midi->out_ep) {
+ /* We received stuff. req is queued again, below */
+ f_midi_handle_out_data(ep, req);
+ } else if (ep == midi->in_ep) {
+ /* Our transmit completed. See if there's more to go.
+ * f_midi_transmit eats req, don't queue it again. */
+ f_midi_transmit(midi, req);
+ return;
+ }
+ break;
+
+ /* this endpoint is normally active while we're configured */
+ case -ECONNABORTED: /* hardware forced ep reset */
+ case -ECONNRESET: /* request dequeued */
+ case -ESHUTDOWN: /* disconnect from host */
+ VDBG(cdev, "%s gone (%d), %d/%d\n", ep->name, status,
+ req->actual, req->length);
+ if (ep == midi->out_ep)
+ f_midi_handle_out_data(ep, req);
+
+ free_ep_req(ep, req);
+ return;
+
+ case -EOVERFLOW: /* buffer overrun on read means that
+ * we didn't provide a big enough buffer.
+ */
+ default:
+ DBG(cdev, "%s complete --> %d, %d/%d\n", ep->name,
+ status, req->actual, req->length);
+ break;
+ case -EREMOTEIO: /* short read */
+ break;
+ }
+
+ status = usb_ep_queue(ep, req, GFP_ATOMIC);
+ if (status) {
+ ERROR(cdev, "kill %s: resubmit %d bytes --> %d\n",
+ ep->name, req->length, status);
+ usb_ep_set_halt(ep);
+ /* FIXME recover later ... somehow */
+ }
+}
+
+static int f_midi_start_ep(struct f_midi *midi,
+ struct usb_function *f,
+ struct usb_ep *ep)
+{
+ int err;
+ struct usb_composite_dev *cdev = f->config->cdev;
+
+ if (ep->driver_data)
+ usb_ep_disable(ep);
+
+ err = config_ep_by_speed(midi->gadget, f, ep);
+ if (err) {
+ ERROR(cdev, "can't configure %s: %d\n", ep->name, err);
+ return err;
+ }
+
+ err = usb_ep_enable(ep);
+ if (err) {
+ ERROR(cdev, "can't start %s: %d\n", ep->name, err);
+ return err;
+ }
+
+ ep->driver_data = midi;
+
+ return 0;
+}
+
+static int f_midi_set_alt(struct usb_function *f, unsigned intf, unsigned alt)
+{
+ struct f_midi *midi = func_to_midi(f);
+ struct usb_composite_dev *cdev = f->config->cdev;
+ unsigned i;
+ int err;
+
+ err = f_midi_start_ep(midi, f, midi->in_ep);
+ if (err)
+ return err;
+
+ err = f_midi_start_ep(midi, f, midi->out_ep);
+ if (err)
+ return err;
+
+ if (midi->out_ep->driver_data)
+ usb_ep_disable(midi->out_ep);
+
+ err = config_ep_by_speed(midi->gadget, f, midi->out_ep);
+ if (err) {
+ ERROR(cdev, "can't configure %s: %d\n",
+ midi->out_ep->name, err);
+ return err;
+ }
+
+ err = usb_ep_enable(midi->out_ep);
+ if (err) {
+ ERROR(cdev, "can't start %s: %d\n",
+ midi->out_ep->name, err);
+ return err;
+ }
+
+ midi->out_ep->driver_data = midi;
+
+ /* allocate a bunch of read buffers and queue them all at once. */
+ for (i = 0; i < midi->qlen && err == 0; i++) {
+ struct usb_request *req =
+ alloc_ep_req(midi->out_ep, midi->buflen);
+ if (req == NULL)
+ return -ENOMEM;
+
+ req->complete = f_midi_complete;
+ err = usb_ep_queue(midi->out_ep, req, GFP_ATOMIC);
+ if (err) {
+ ERROR(midi, "%s queue req: %d\n",
+ midi->out_ep->name, err);
+ }
+ }
+
+ return 0;
+}
+
+static void f_midi_disable(struct usb_function *f)
+{
+ struct f_midi *midi = func_to_midi(f);
+ struct usb_composite_dev *cdev = f->config->cdev;
+
+ DBG(cdev, "disable\n");
+
+ /*
+ * just disable endpoints, forcing completion of pending i/o.
+ * all our completion handlers free their requests in this case.
+ */
+ usb_ep_disable(midi->in_ep);
+ usb_ep_disable(midi->out_ep);
+}
+
+static void f_midi_unbind(struct usb_configuration *c, struct usb_function *f)
+{
+ struct usb_composite_dev *cdev = f->config->cdev;
+ struct f_midi *midi = func_to_midi(f);
+ struct snd_card *card;
+
+ DBG(cdev, "unbind\n");
+
+ /* just to be sure */
+ f_midi_disable(f);
+
+ card = midi->card;
+ midi->card = NULL;
+ if (card)
+ snd_card_free(card);
+
+ kfree(midi->id);
+ midi->id = NULL;
+
+ usb_free_descriptors(f->descriptors);
+ kfree(midi);
+}
+
+static int f_midi_snd_free(struct snd_device *device)
+{
+ return 0;
+}
+
+static void f_midi_transmit_packet(struct usb_request *req, uint8_t p0,
+ uint8_t p1, uint8_t p2, uint8_t p3)
+{
+ unsigned length = req->length;
+ u8 *buf = (u8 *)req->buf + length;
+
+ buf[0] = p0;
+ buf[1] = p1;
+ buf[2] = p2;
+ buf[3] = p3;
+ req->length = length + 4;
+}
+
+/*
+ * Converts MIDI commands to USB MIDI packets.
+ */
+static void f_midi_transmit_byte(struct usb_request *req,
+ struct gmidi_in_port *port, uint8_t b)
+{
+ uint8_t p0 = port->cable << 4;
+
+ if (b >= 0xf8) {
+ f_midi_transmit_packet(req, p0 | 0x0f, b, 0, 0);
+ } else if (b >= 0xf0) {
+ switch (b) {
+ case 0xf0:
+ port->data[0] = b;
+ port->state = STATE_SYSEX_1;
+ break;
+ case 0xf1:
+ case 0xf3:
+ port->data[0] = b;
+ port->state = STATE_1PARAM;
+ break;
+ case 0xf2:
+ port->data[0] = b;
+ port->state = STATE_2PARAM_1;
+ break;
+ case 0xf4:
+ case 0xf5:
+ port->state = STATE_UNKNOWN;
+ break;
+ case 0xf6:
+ f_midi_transmit_packet(req, p0 | 0x05, 0xf6, 0, 0);
+ port->state = STATE_UNKNOWN;
+ break;
+ case 0xf7:
+ switch (port->state) {
+ case STATE_SYSEX_0:
+ f_midi_transmit_packet(req,
+ p0 | 0x05, 0xf7, 0, 0);
+ break;
+ case STATE_SYSEX_1:
+ f_midi_transmit_packet(req,
+ p0 | 0x06, port->data[0], 0xf7, 0);
+ break;
+ case STATE_SYSEX_2:
+ f_midi_transmit_packet(req,
+ p0 | 0x07, port->data[0],
+ port->data[1], 0xf7);
+ break;
+ }
+ port->state = STATE_UNKNOWN;
+ break;
+ }
+ } else if (b >= 0x80) {
+ port->data[0] = b;
+ if (b >= 0xc0 && b <= 0xdf)
+ port->state = STATE_1PARAM;
+ else
+ port->state = STATE_2PARAM_1;
+ } else { /* b < 0x80 */
+ switch (port->state) {
+ case STATE_1PARAM:
+ if (port->data[0] < 0xf0) {
+ p0 |= port->data[0] >> 4;
+ } else {
+ p0 |= 0x02;
+ port->state = STATE_UNKNOWN;
+ }
+ f_midi_transmit_packet(req, p0, port->data[0], b, 0);
+ break;
+ case STATE_2PARAM_1:
+ port->data[1] = b;
+ port->state = STATE_2PARAM_2;
+ break;
+ case STATE_2PARAM_2:
+ if (port->data[0] < 0xf0) {
+ p0 |= port->data[0] >> 4;
+ port->state = STATE_2PARAM_1;
+ } else {
+ p0 |= 0x03;
+ port->state = STATE_UNKNOWN;
+ }
+ f_midi_transmit_packet(req,
+ p0, port->data[0], port->data[1], b);
+ break;
+ case STATE_SYSEX_0:
+ port->data[0] = b;
+ port->state = STATE_SYSEX_1;
+ break;
+ case STATE_SYSEX_1:
+ port->data[1] = b;
+ port->state = STATE_SYSEX_2;
+ break;
+ case STATE_SYSEX_2:
+ f_midi_transmit_packet(req,
+ p0 | 0x04, port->data[0], port->data[1], b);
+ port->state = STATE_SYSEX_0;
+ break;
+ }
+ }
+}
+
+static void f_midi_transmit(struct f_midi *midi, struct usb_request *req)
+{
+ struct usb_ep *ep = midi->in_ep;
+ int i;
+
+ if (!ep)
+ return;
+
+ if (!req)
+ req = alloc_ep_req(ep, midi->buflen);
+
+ if (!req) {
+ ERROR(midi, "gmidi_transmit: alloc_ep_request failed\n");
+ return;
+ }
+ req->length = 0;
+ req->complete = f_midi_complete;
+
+ for (i = 0; i < MAX_PORTS; i++) {
+ struct gmidi_in_port *port = midi->in_port[i];
+ struct snd_rawmidi_substream *substream = midi->in_substream[i];
+
+ if (!port || !port->active || !substream)
+ continue;
+
+ while (req->length + 3 < midi->buflen) {
+ uint8_t b;
+ if (snd_rawmidi_transmit(substream, &b, 1) != 1) {
+ port->active = 0;
+ break;
+ }
+ f_midi_transmit_byte(req, port, b);
+ }
+ }
+
+ if (req->length > 0)
+ usb_ep_queue(ep, req, GFP_ATOMIC);
+ else
+ free_ep_req(ep, req);
+}
+
+static void f_midi_in_tasklet(unsigned long data)
+{
+ struct f_midi *midi = (struct f_midi *) data;
+ f_midi_transmit(midi, NULL);
+}
+
+static int f_midi_in_open(struct snd_rawmidi_substream *substream)
+{
+ struct f_midi *midi = substream->rmidi->private_data;
+
+ if (!midi->in_port[substream->number])
+ return -EINVAL;
+
+ VDBG(midi, "%s()\n", __func__);
+ midi->in_substream[substream->number] = substream;
+ midi->in_port[substream->number]->state = STATE_UNKNOWN;
+ return 0;
+}
+
+static int f_midi_in_close(struct snd_rawmidi_substream *substream)
+{
+ struct f_midi *midi = substream->rmidi->private_data;
+
+ VDBG(midi, "%s()\n", __func__);
+ return 0;
+}
+
+static void f_midi_in_trigger(struct snd_rawmidi_substream *substream, int up)
+{
+ struct f_midi *midi = substream->rmidi->private_data;
+
+ if (!midi->in_port[substream->number])
+ return;
+
+ VDBG(midi, "%s() %d\n", __func__, up);
+ midi->in_port[substream->number]->active = up;
+ if (up)
+ tasklet_hi_schedule(&midi->tasklet);
+}
+
+static int f_midi_out_open(struct snd_rawmidi_substream *substream)
+{
+ struct f_midi *midi = substream->rmidi->private_data;
+
+ if (substream->number >= MAX_PORTS)
+ return -EINVAL;
+
+ VDBG(midi, "%s()\n", __func__);
+ midi->out_substream[substream->number] = substream;
+ return 0;
+}
+
+static int f_midi_out_close(struct snd_rawmidi_substream *substream)
+{
+ struct f_midi *midi = substream->rmidi->private_data;
+
+ VDBG(midi, "%s()\n", __func__);
+ return 0;
+}
+
+static void f_midi_out_trigger(struct snd_rawmidi_substream *substream, int up)
+{
+ struct f_midi *midi = substream->rmidi->private_data;
+
+ VDBG(midi, "%s()\n", __func__);
+
+ if (up)
+ set_bit(substream->number, &midi->out_triggered);
+ else
+ clear_bit(substream->number, &midi->out_triggered);
+}
+
+static struct snd_rawmidi_ops gmidi_in_ops = {
+ .open = f_midi_in_open,
+ .close = f_midi_in_close,
+ .trigger = f_midi_in_trigger,
+};
+
+static struct snd_rawmidi_ops gmidi_out_ops = {
+ .open = f_midi_out_open,
+ .close = f_midi_out_close,
+ .trigger = f_midi_out_trigger
+};
+
+/* register as a sound "card" */
+static int f_midi_register_card(struct f_midi *midi)
+{
+ struct snd_card *card;
+ struct snd_rawmidi *rmidi;
+ int err;
+ static struct snd_device_ops ops = {
+ .dev_free = f_midi_snd_free,
+ };
+
+ err = snd_card_create(midi->index, midi->id, THIS_MODULE, 0, &card);
+ if (err < 0) {
+ ERROR(midi, "snd_card_create() failed\n");
+ goto fail;
+ }
+ midi->card = card;
+
+ err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, midi, &ops);
+ if (err < 0) {
+ ERROR(midi, "snd_device_new() failed: error %d\n", err);
+ goto fail;
+ }
+
+ strcpy(card->driver, f_midi_longname);
+ strcpy(card->longname, f_midi_longname);
+ strcpy(card->shortname, f_midi_shortname);
+
+ /* Set up rawmidi */
+ snd_component_add(card, "MIDI");
+ err = snd_rawmidi_new(card, card->longname, 0,
+ midi->out_ports, midi->in_ports, &rmidi);
+ if (err < 0) {
+ ERROR(midi, "snd_rawmidi_new() failed: error %d\n", err);
+ goto fail;
+ }
+ midi->rmidi = rmidi;
+ strcpy(rmidi->name, card->shortname);
+ rmidi->info_flags = SNDRV_RAWMIDI_INFO_OUTPUT |
+ SNDRV_RAWMIDI_INFO_INPUT |
+ SNDRV_RAWMIDI_INFO_DUPLEX;
+ rmidi->private_data = midi;
+
+ /*
+ * Yes, rawmidi OUTPUT = USB IN, and rawmidi INPUT = USB OUT.
+ * It's an upside-down world being a gadget.
+ */
+ snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &gmidi_in_ops);
+ snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &gmidi_out_ops);
+
+ snd_card_set_dev(card, &midi->gadget->dev);
+
+ /* register it - we're ready to go */
+ err = snd_card_register(card);
+ if (err < 0) {
+ ERROR(midi, "snd_card_register() failed\n");
+ goto fail;
+ }
+
+ VDBG(midi, "%s() finished ok\n", __func__);
+ return 0;
+
+fail:
+ if (midi->card) {
+ snd_card_free(midi->card);
+ midi->card = NULL;
+ }
+ return err;
+}
+
+/* MIDI function driver setup/binding */
+
+static int __init
+f_midi_bind(struct usb_configuration *c, struct usb_function *f)
+{
+ struct usb_descriptor_header *midi_function[(MAX_PORTS * 2) + 12];
+ struct usb_midi_in_jack_descriptor jack_in_ext_desc[MAX_PORTS];
+ struct usb_midi_out_jack_descriptor_1 jack_out_ext_desc[MAX_PORTS];
+ struct usb_composite_dev *cdev = c->cdev;
+ struct f_midi *midi = func_to_midi(f);
+ int status, n, jack = 1, i = 0;
+
+ /* maybe allocate device-global string ID */
+ if (midi_string_defs[0].id == 0) {
+ status = usb_string_id(c->cdev);
+ if (status < 0)
+ goto fail;
+ midi_string_defs[0].id = status;
+ }
+
+ /* We have two interfaces, AudioControl and MIDIStreaming */
+ status = usb_interface_id(c, f);
+ if (status < 0)
+ goto fail;
+ ac_interface_desc.bInterfaceNumber = status;
+
+ status = usb_interface_id(c, f);
+ if (status < 0)
+ goto fail;
+ ms_interface_desc.bInterfaceNumber = status;
+ ac_header_desc.baInterfaceNr[0] = status;
+
+ status = -ENODEV;
+
+ /* allocate instance-specific endpoints */
+ midi->in_ep = usb_ep_autoconfig(cdev->gadget, &bulk_in_desc);
+ if (!midi->in_ep)
+ goto fail;
+ midi->in_ep->driver_data = cdev; /* claim */
+
+ midi->out_ep = usb_ep_autoconfig(cdev->gadget, &bulk_out_desc);
+ if (!midi->out_ep)
+ goto fail;
+ midi->out_ep->driver_data = cdev; /* claim */
+
+ /*
+ * construct the function's descriptor set. As the number of
+ * input and output MIDI ports is configurable, we have to do
+ * it that way.
+ */
+
+ /* add the headers - these are always the same */
+ midi_function[i++] = (struct usb_descriptor_header *) &ac_interface_desc;
+ midi_function[i++] = (struct usb_descriptor_header *) &ac_header_desc;
+ midi_function[i++] = (struct usb_descriptor_header *) &ms_interface_desc;
+
+ /* calculate the header's wTotalLength */
+ n = USB_DT_MS_HEADER_SIZE
+ + (1 + midi->in_ports) * USB_DT_MIDI_IN_SIZE
+ + (1 + midi->out_ports) * USB_DT_MIDI_OUT_SIZE(1);
+ ms_header_desc.wTotalLength = cpu_to_le16(n);
+
+ midi_function[i++] = (struct usb_descriptor_header *) &ms_header_desc;
+
+ /* we have one embedded IN jack */
+ jack_in_emb_desc.bJackID = jack++;
+ midi_function[i++] = (struct usb_descriptor_header *) &jack_in_emb_desc;
+
+ /* and a dynamic amount of external IN jacks */
+ for (n = 0; n < midi->in_ports; n++) {
+ struct usb_midi_in_jack_descriptor *ext = &jack_in_ext_desc[n];
+
+ ext->bLength = USB_DT_MIDI_IN_SIZE;
+ ext->bDescriptorType = USB_DT_CS_INTERFACE;
+ ext->bDescriptorSubtype = USB_MS_MIDI_IN_JACK;
+ ext->bJackType = USB_MS_EXTERNAL;
+ ext->bJackID = jack++;
+ ext->iJack = 0;
+
+ midi_function[i++] = (struct usb_descriptor_header *) ext;
+ }
+
+ /* one embedded OUT jack ... */
+ jack_out_emb_desc.bLength = USB_DT_MIDI_OUT_SIZE(midi->in_ports);
+ jack_out_emb_desc.bJackID = jack++;
+ jack_out_emb_desc.bNrInputPins = midi->in_ports;
+ /* ... which referencess all external IN jacks */
+ for (n = 0; n < midi->in_ports; n++) {
+ jack_out_emb_desc.pins[n].baSourceID = jack_in_ext_desc[n].bJackID;
+ jack_out_emb_desc.pins[n].baSourcePin = 1;
+ }
+
+ midi_function[i++] = (struct usb_descriptor_header *) &jack_out_emb_desc;
+
+ /* and multiple external OUT jacks ... */
+ for (n = 0; n < midi->out_ports; n++) {
+ struct usb_midi_out_jack_descriptor_1 *ext = &jack_out_ext_desc[n];
+ int m;
+
+ ext->bLength = USB_DT_MIDI_OUT_SIZE(1);
+ ext->bDescriptorType = USB_DT_CS_INTERFACE;
+ ext->bDescriptorSubtype = USB_MS_MIDI_OUT_JACK;
+ ext->bJackType = USB_MS_EXTERNAL;
+ ext->bJackID = jack++;
+ ext->bNrInputPins = 1;
+ ext->iJack = 0;
+ /* ... which all reference the same embedded IN jack */
+ for (m = 0; m < midi->out_ports; m++) {
+ ext->pins[m].baSourceID = jack_in_emb_desc.bJackID;
+ ext->pins[m].baSourcePin = 1;
+ }
+
+ midi_function[i++] = (struct usb_descriptor_header *) ext;
+ }
+
+ /* configure the endpoint descriptors ... */
+ ms_out_desc.bLength = USB_DT_MS_ENDPOINT_SIZE(midi->in_ports);
+ ms_out_desc.bNumEmbMIDIJack = midi->in_ports;
+ for (n = 0; n < midi->in_ports; n++)
+ ms_out_desc.baAssocJackID[n] = jack_in_emb_desc.bJackID;
+
+ ms_in_desc.bLength = USB_DT_MS_ENDPOINT_SIZE(midi->out_ports);
+ ms_in_desc.bNumEmbMIDIJack = midi->out_ports;
+ for (n = 0; n < midi->out_ports; n++)
+ ms_in_desc.baAssocJackID[n] = jack_out_emb_desc.bJackID;
+
+ /* ... and add them to the list */
+ midi_function[i++] = (struct usb_descriptor_header *) &bulk_out_desc;
+ midi_function[i++] = (struct usb_descriptor_header *) &ms_out_desc;
+ midi_function[i++] = (struct usb_descriptor_header *) &bulk_in_desc;
+ midi_function[i++] = (struct usb_descriptor_header *) &ms_in_desc;
+ midi_function[i++] = NULL;
+
+ /*
+ * support all relevant hardware speeds... we expect that when
+ * hardware is dual speed, all bulk-capable endpoints work at
+ * both speeds
+ */
+ /* copy descriptors, and track endpoint copies */
+ if (gadget_is_dualspeed(c->cdev->gadget)) {
+ c->highspeed = true;
+ bulk_in_desc.wMaxPacketSize = cpu_to_le16(512);
+ bulk_out_desc.wMaxPacketSize = cpu_to_le16(512);
+ f->hs_descriptors = usb_copy_descriptors(midi_function);
+ } else {
+ f->descriptors = usb_copy_descriptors(midi_function);
+ }
+
+ return 0;
+
+fail:
+ /* we might as well release our claims on endpoints */
+ if (midi->out_ep)
+ midi->out_ep->driver_data = NULL;
+ if (midi->in_ep)
+ midi->in_ep->driver_data = NULL;
+
+ ERROR(cdev, "%s: can't bind, err %d\n", f->name, status);
+
+ return status;
+}
+
+/**
+ * f_midi_bind_config - add USB MIDI function to a configuration
+ * @c: the configuration to supcard the USB audio function
+ * @index: the soundcard index to use for the ALSA device creation
+ * @id: the soundcard id to use for the ALSA device creation
+ * @buflen: the buffer length to use
+ * @qlen the number of read requests to pre-allocate
+ * Context: single threaded during gadget setup
+ *
+ * Returns zero on success, else negative errno.
+ */
+int __init f_midi_bind_config(struct usb_configuration *c,
+ int index, char *id,
+ unsigned int in_ports,
+ unsigned int out_ports,
+ unsigned int buflen,
+ unsigned int qlen)
+{
+ struct f_midi *midi;
+ int status, i;
+
+ /* sanity check */
+ if (in_ports > MAX_PORTS || out_ports > MAX_PORTS)
+ return -EINVAL;
+
+ /* allocate and initialize one new instance */
+ midi = kzalloc(sizeof *midi, GFP_KERNEL);
+ if (!midi) {
+ status = -ENOMEM;
+ goto fail;
+ }
+
+ for (i = 0; i < in_ports; i++) {
+ struct gmidi_in_port *port = kzalloc(sizeof(*port), GFP_KERNEL);
+ if (!port) {
+ status = -ENOMEM;
+ goto setup_fail;
+ }
+
+ port->midi = midi;
+ port->active = 0;
+ port->cable = i;
+ midi->in_port[i] = port;
+ }
+
+ midi->gadget = c->cdev->gadget;
+ tasklet_init(&midi->tasklet, f_midi_in_tasklet, (unsigned long) midi);
+
+ /* set up ALSA midi devices */
+ midi->in_ports = in_ports;
+ midi->out_ports = out_ports;
+ status = f_midi_register_card(midi);
+ if (status < 0)
+ goto setup_fail;
+
+ midi->func.name = "gmidi function";
+ midi->func.strings = midi_strings;
+ midi->func.bind = f_midi_bind;
+ midi->func.unbind = f_midi_unbind;
+ midi->func.set_alt = f_midi_set_alt;
+ midi->func.disable = f_midi_disable;
+
+ midi->id = kstrdup(id, GFP_KERNEL);
+ midi->index = index;
+ midi->buflen = buflen;
+ midi->qlen = qlen;
+
+ status = usb_add_function(c, &midi->func);
+ if (status)
+ goto setup_fail;
+
+ return 0;
+
+setup_fail:
+ for (--i; i >= 0; i--)
+ kfree(midi->in_port[i]);
+ kfree(midi);
+fail:
+ return status;
+}
+
diff --git a/drivers/usb/gadget/f_ncm.c b/drivers/usb/gadget/f_ncm.c
index ae69ed7e6b99..aab8eded045b 100644
--- a/drivers/usb/gadget/f_ncm.c
+++ b/drivers/usb/gadget/f_ncm.c
@@ -13,15 +13,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/kernel.h>
diff --git a/drivers/usb/gadget/f_obex.c b/drivers/usb/gadget/f_obex.c
index 394502abeb96..e3f74bf5da2d 100644
--- a/drivers/usb/gadget/f_obex.c
+++ b/drivers/usb/gadget/f_obex.c
@@ -10,15 +10,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* #define VERBOSE_DEBUG */
diff --git a/drivers/usb/gadget/f_phonet.c b/drivers/usb/gadget/f_phonet.c
index 8f3eab1af885..349077033338 100644
--- a/drivers/usb/gadget/f_phonet.c
+++ b/drivers/usb/gadget/f_phonet.c
@@ -8,16 +8,6 @@
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
- * 02110-1301 USA
*/
#include <linux/mm.h>
diff --git a/drivers/usb/gadget/f_rndis.c b/drivers/usb/gadget/f_rndis.c
index 3ea4666be3d0..704d1d94f72a 100644
--- a/drivers/usb/gadget/f_rndis.c
+++ b/drivers/usb/gadget/f_rndis.c
@@ -11,15 +11,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* #define VERBOSE_DEBUG */
diff --git a/drivers/usb/gadget/f_sourcesink.c b/drivers/usb/gadget/f_sourcesink.c
index e18b4f520951..168906d2b5d4 100644
--- a/drivers/usb/gadget/f_sourcesink.c
+++ b/drivers/usb/gadget/f_sourcesink.c
@@ -8,15 +8,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* #define VERBOSE_DEBUG */
diff --git a/drivers/usb/gadget/f_subset.c b/drivers/usb/gadget/f_subset.c
index 3dc53754ab60..c1540648125a 100644
--- a/drivers/usb/gadget/f_subset.c
+++ b/drivers/usb/gadget/f_subset.c
@@ -8,15 +8,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/slab.h>
diff --git a/drivers/usb/gadget/f_uvc.c b/drivers/usb/gadget/f_uvc.c
index 7a8b9aa4aea5..2022fe492148 100644
--- a/drivers/usb/gadget/f_uvc.c
+++ b/drivers/usb/gadget/f_uvc.c
@@ -8,7 +8,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
*/
#include <linux/kernel.h>
diff --git a/drivers/usb/gadget/f_uvc.h b/drivers/usb/gadget/f_uvc.h
index e18a6636c283..abf832935134 100644
--- a/drivers/usb/gadget/f_uvc.h
+++ b/drivers/usb/gadget/f_uvc.h
@@ -8,7 +8,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
*/
#ifndef _F_UVC_H_
diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c
index 639e14a2fd15..3ac4f51cd0bb 100644
--- a/drivers/usb/gadget/file_storage.c
+++ b/drivers/usb/gadget/file_storage.c
@@ -69,8 +69,7 @@
* each LUN would be settable independently as a disk drive or a CD-ROM
* drive, but currently all LUNs have to be the same type. The CD-ROM
* emulation includes a single data track and no audio tracks; hence there
- * need be only one backing file per LUN. Note also that the CD-ROM block
- * length is set to 512 rather than the more common value 2048.
+ * need be only one backing file per LUN.
*
* Requirements are modest; only a bulk-in and a bulk-out endpoint are
* needed (an interrupt-out endpoint is also needed for CBI). The memory
@@ -461,7 +460,6 @@ struct fsg_dev {
struct fsg_buffhd *next_buffhd_to_fill;
struct fsg_buffhd *next_buffhd_to_drain;
- struct fsg_buffhd buffhds[FSG_NUM_BUFFERS];
int thread_wakeup_needed;
struct completion thread_notifier;
@@ -488,6 +486,8 @@ struct fsg_dev {
unsigned int nluns;
struct fsg_lun *luns;
struct fsg_lun *curlun;
+ /* Must be the last entry */
+ struct fsg_buffhd buffhds[];
};
typedef void (*fsg_routine_t)(struct fsg_dev *);
@@ -586,7 +586,19 @@ dev_qualifier = {
.bNumConfigurations = 1,
};
+static int populate_bos(struct fsg_dev *fsg, u8 *buf)
+{
+ memcpy(buf, &fsg_bos_desc, USB_DT_BOS_SIZE);
+ buf += USB_DT_BOS_SIZE;
+
+ memcpy(buf, &fsg_ext_cap_desc, USB_DT_USB_EXT_CAP_SIZE);
+ buf += USB_DT_USB_EXT_CAP_SIZE;
+ memcpy(buf, &fsg_ss_cap_desc, USB_DT_USB_SS_CAP_SIZE);
+
+ return USB_DT_BOS_SIZE + USB_DT_USB_SS_CAP_SIZE
+ + USB_DT_USB_EXT_CAP_SIZE;
+}
/*
* Config descriptors must agree with the code that sets configurations
@@ -935,7 +947,8 @@ static int standard_setup_req(struct fsg_dev *fsg,
break;
case USB_DT_DEVICE_QUALIFIER:
VDBG(fsg, "get device qualifier\n");
- if (!gadget_is_dualspeed(fsg->gadget))
+ if (!gadget_is_dualspeed(fsg->gadget) ||
+ fsg->gadget->speed == USB_SPEED_SUPER)
break;
/*
* Assume ep0 uses the same maxpacket value for both
@@ -948,7 +961,8 @@ static int standard_setup_req(struct fsg_dev *fsg,
case USB_DT_OTHER_SPEED_CONFIG:
VDBG(fsg, "get other-speed config descriptor\n");
- if (!gadget_is_dualspeed(fsg->gadget))
+ if (!gadget_is_dualspeed(fsg->gadget) ||
+ fsg->gadget->speed == USB_SPEED_SUPER)
break;
goto get_config;
case USB_DT_CONFIG:
@@ -967,7 +981,15 @@ get_config:
value = usb_gadget_get_string(&fsg_stringtab,
w_value & 0xff, req->buf);
break;
+
+ case USB_DT_BOS:
+ VDBG(fsg, "get bos descriptor\n");
+
+ if (gadget_is_superspeed(fsg->gadget))
+ value = populate_bos(fsg, req->buf);
+ break;
}
+
break;
/* One config, two speeds */
@@ -1136,7 +1158,6 @@ static int do_read(struct fsg_dev *fsg)
u32 amount_left;
loff_t file_offset, file_offset_tmp;
unsigned int amount;
- unsigned int partial_page;
ssize_t nread;
/* Get the starting Logical Block Address and check that it's
@@ -1158,7 +1179,7 @@ static int do_read(struct fsg_dev *fsg)
curlun->sense_data = SS_LOGICAL_BLOCK_ADDRESS_OUT_OF_RANGE;
return -EINVAL;
}
- file_offset = ((loff_t) lba) << 9;
+ file_offset = ((loff_t) lba) << curlun->blkbits;
/* Carry out the file reads */
amount_left = fsg->data_size_from_cmnd;
@@ -1171,17 +1192,10 @@ static int do_read(struct fsg_dev *fsg)
* Try to read the remaining amount.
* But don't read more than the buffer size.
* And don't try to read past the end of the file.
- * Finally, if we're not at a page boundary, don't read past
- * the next page.
- * If this means reading 0 then we were asked to read past
- * the end of file. */
+ */
amount = min((unsigned int) amount_left, mod_data.buflen);
amount = min((loff_t) amount,
curlun->file_length - file_offset);
- partial_page = file_offset & (PAGE_CACHE_SIZE - 1);
- if (partial_page > 0)
- amount = min(amount, (unsigned int) PAGE_CACHE_SIZE -
- partial_page);
/* Wait for the next buffer to become available */
bh = fsg->next_buffhd_to_fill;
@@ -1196,7 +1210,7 @@ static int do_read(struct fsg_dev *fsg)
if (amount == 0) {
curlun->sense_data =
SS_LOGICAL_BLOCK_ADDRESS_OUT_OF_RANGE;
- curlun->sense_data_info = file_offset >> 9;
+ curlun->sense_data_info = file_offset >> curlun->blkbits;
curlun->info_valid = 1;
bh->inreq->length = 0;
bh->state = BUF_STATE_FULL;
@@ -1221,18 +1235,23 @@ static int do_read(struct fsg_dev *fsg)
} else if (nread < amount) {
LDBG(curlun, "partial file read: %d/%u\n",
(int) nread, amount);
- nread -= (nread & 511); // Round down to a block
+ nread = round_down(nread, curlun->blksize);
}
file_offset += nread;
amount_left -= nread;
fsg->residue -= nread;
+
+ /* Except at the end of the transfer, nread will be
+ * equal to the buffer size, which is divisible by the
+ * bulk-in maxpacket size.
+ */
bh->inreq->length = nread;
bh->state = BUF_STATE_FULL;
/* If an error occurred, report it and its position */
if (nread < amount) {
curlun->sense_data = SS_UNRECOVERED_READ_ERROR;
- curlun->sense_data_info = file_offset >> 9;
+ curlun->sense_data_info = file_offset >> curlun->blkbits;
curlun->info_valid = 1;
break;
}
@@ -1262,7 +1281,6 @@ static int do_write(struct fsg_dev *fsg)
u32 amount_left_to_req, amount_left_to_write;
loff_t usb_offset, file_offset, file_offset_tmp;
unsigned int amount;
- unsigned int partial_page;
ssize_t nwritten;
int rc;
@@ -1303,7 +1321,7 @@ static int do_write(struct fsg_dev *fsg)
/* Carry out the file writes */
get_some_more = 1;
- file_offset = usb_offset = ((loff_t) lba) << 9;
+ file_offset = usb_offset = ((loff_t) lba) << curlun->blkbits;
amount_left_to_req = amount_left_to_write = fsg->data_size_from_cmnd;
while (amount_left_to_write > 0) {
@@ -1313,38 +1331,20 @@ static int do_write(struct fsg_dev *fsg)
if (bh->state == BUF_STATE_EMPTY && get_some_more) {
/* Figure out how much we want to get:
- * Try to get the remaining amount.
- * But don't get more than the buffer size.
- * And don't try to go past the end of the file.
- * If we're not at a page boundary,
- * don't go past the next page.
- * If this means getting 0, then we were asked
- * to write past the end of file.
- * Finally, round down to a block boundary. */
+ * Try to get the remaining amount,
+ * but not more than the buffer size.
+ */
amount = min(amount_left_to_req, mod_data.buflen);
- amount = min((loff_t) amount, curlun->file_length -
- usb_offset);
- partial_page = usb_offset & (PAGE_CACHE_SIZE - 1);
- if (partial_page > 0)
- amount = min(amount,
- (unsigned int) PAGE_CACHE_SIZE - partial_page);
-
- if (amount == 0) {
+
+ /* Beyond the end of the backing file? */
+ if (usb_offset >= curlun->file_length) {
get_some_more = 0;
curlun->sense_data =
SS_LOGICAL_BLOCK_ADDRESS_OUT_OF_RANGE;
- curlun->sense_data_info = usb_offset >> 9;
+ curlun->sense_data_info = usb_offset >> curlun->blkbits;
curlun->info_valid = 1;
continue;
}
- amount -= (amount & 511);
- if (amount == 0) {
-
- /* Why were we were asked to transfer a
- * partial block? */
- get_some_more = 0;
- continue;
- }
/* Get the next buffer */
usb_offset += amount;
@@ -1353,11 +1353,11 @@ static int do_write(struct fsg_dev *fsg)
if (amount_left_to_req == 0)
get_some_more = 0;
- /* amount is always divisible by 512, hence by
- * the bulk-out maxpacket size */
- bh->outreq->length = bh->bulk_out_intended_length =
- amount;
- bh->outreq->short_not_ok = 1;
+ /* Except at the end of the transfer, amount will be
+ * equal to the buffer size, which is divisible by
+ * the bulk-out maxpacket size.
+ */
+ set_bulk_out_req_length(fsg, bh, amount);
start_transfer(fsg, fsg->bulk_out, bh->outreq,
&bh->outreq_busy, &bh->state);
fsg->next_buffhd_to_fill = bh->next;
@@ -1376,7 +1376,7 @@ static int do_write(struct fsg_dev *fsg)
/* Did something go wrong with the transfer? */
if (bh->outreq->status != 0) {
curlun->sense_data = SS_COMMUNICATION_FAILURE;
- curlun->sense_data_info = file_offset >> 9;
+ curlun->sense_data_info = file_offset >> curlun->blkbits;
curlun->info_valid = 1;
break;
}
@@ -1390,6 +1390,16 @@ static int do_write(struct fsg_dev *fsg)
amount = curlun->file_length - file_offset;
}
+ /* Don't accept excess data. The spec doesn't say
+ * what to do in this case. We'll ignore the error.
+ */
+ amount = min(amount, bh->bulk_out_intended_length);
+
+ /* Don't write a partial block */
+ amount = round_down(amount, curlun->blksize);
+ if (amount == 0)
+ goto empty_write;
+
/* Perform the write */
file_offset_tmp = file_offset;
nwritten = vfs_write(curlun->filp,
@@ -1408,8 +1418,7 @@ static int do_write(struct fsg_dev *fsg)
} else if (nwritten < amount) {
LDBG(curlun, "partial file write: %d/%u\n",
(int) nwritten, amount);
- nwritten -= (nwritten & 511);
- // Round down to a block
+ nwritten = round_down(nwritten, curlun->blksize);
}
file_offset += nwritten;
amount_left_to_write -= nwritten;
@@ -1418,13 +1427,14 @@ static int do_write(struct fsg_dev *fsg)
/* If an error occurred, report it and its position */
if (nwritten < amount) {
curlun->sense_data = SS_WRITE_ERROR;
- curlun->sense_data_info = file_offset >> 9;
+ curlun->sense_data_info = file_offset >> curlun->blkbits;
curlun->info_valid = 1;
break;
}
+ empty_write:
/* Did the host decide to stop early? */
- if (bh->outreq->actual != bh->outreq->length) {
+ if (bh->outreq->actual < bh->bulk_out_intended_length) {
fsg->short_packet_received = 1;
break;
}
@@ -1500,8 +1510,8 @@ static int do_verify(struct fsg_dev *fsg)
return -EIO; // No default reply
/* Prepare to carry out the file verify */
- amount_left = verification_length << 9;
- file_offset = ((loff_t) lba) << 9;
+ amount_left = verification_length << curlun->blkbits;
+ file_offset = ((loff_t) lba) << curlun->blkbits;
/* Write out all the dirty buffers before invalidating them */
fsg_lun_fsync_sub(curlun);
@@ -1519,15 +1529,14 @@ static int do_verify(struct fsg_dev *fsg)
* Try to read the remaining amount, but not more than
* the buffer size.
* And don't try to read past the end of the file.
- * If this means reading 0 then we were asked to read
- * past the end of file. */
+ */
amount = min((unsigned int) amount_left, mod_data.buflen);
amount = min((loff_t) amount,
curlun->file_length - file_offset);
if (amount == 0) {
curlun->sense_data =
SS_LOGICAL_BLOCK_ADDRESS_OUT_OF_RANGE;
- curlun->sense_data_info = file_offset >> 9;
+ curlun->sense_data_info = file_offset >> curlun->blkbits;
curlun->info_valid = 1;
break;
}
@@ -1550,11 +1559,11 @@ static int do_verify(struct fsg_dev *fsg)
} else if (nread < amount) {
LDBG(curlun, "partial file verify: %d/%u\n",
(int) nread, amount);
- nread -= (nread & 511); // Round down to a sector
+ nread = round_down(nread, curlun->blksize);
}
if (nread == 0) {
curlun->sense_data = SS_UNRECOVERED_READ_ERROR;
- curlun->sense_data_info = file_offset >> 9;
+ curlun->sense_data_info = file_offset >> curlun->blkbits;
curlun->info_valid = 1;
break;
}
@@ -1668,7 +1677,7 @@ static int do_read_capacity(struct fsg_dev *fsg, struct fsg_buffhd *bh)
put_unaligned_be32(curlun->num_sectors - 1, &buf[0]);
/* Max logical block */
- put_unaligned_be32(512, &buf[4]); /* Block length */
+ put_unaligned_be32(curlun->blksize, &buf[4]); /* Block length */
return 8;
}
@@ -1890,7 +1899,7 @@ static int do_read_format_capacities(struct fsg_dev *fsg,
put_unaligned_be32(curlun->num_sectors, &buf[0]);
/* Number of blocks */
- put_unaligned_be32(512, &buf[4]); /* Block length */
+ put_unaligned_be32(curlun->blksize, &buf[4]); /* Block length */
buf[4] = 0x02; /* Current capacity */
return 12;
}
@@ -1969,7 +1978,7 @@ static int throw_away_data(struct fsg_dev *fsg)
fsg->next_buffhd_to_drain = bh->next;
/* A short packet or an error ends everything */
- if (bh->outreq->actual != bh->outreq->length ||
+ if (bh->outreq->actual < bh->bulk_out_intended_length ||
bh->outreq->status != 0) {
raise_exception(fsg, FSG_STATE_ABORT_BULK_OUT);
return -EINTR;
@@ -1983,11 +1992,11 @@ static int throw_away_data(struct fsg_dev *fsg)
amount = min(fsg->usb_amount_left,
(u32) mod_data.buflen);
- /* amount is always divisible by 512, hence by
- * the bulk-out maxpacket size */
- bh->outreq->length = bh->bulk_out_intended_length =
- amount;
- bh->outreq->short_not_ok = 1;
+ /* Except at the end of the transfer, amount will be
+ * equal to the buffer size, which is divisible by
+ * the bulk-out maxpacket size.
+ */
+ set_bulk_out_req_length(fsg, bh, amount);
start_transfer(fsg, fsg->bulk_out, bh->outreq,
&bh->outreq_busy, &bh->state);
fsg->next_buffhd_to_fill = bh->next;
@@ -2415,7 +2424,7 @@ static int do_scsi_command(struct fsg_dev *fsg)
case READ_6:
i = fsg->cmnd[4];
- fsg->data_size_from_cmnd = (i == 0 ? 256 : i) << 9;
+ fsg->data_size_from_cmnd = (i == 0 ? 256 : i) << fsg->curlun->blkbits;
if ((reply = check_command(fsg, 6, DATA_DIR_TO_HOST,
(7<<1) | (1<<4), 1,
"READ(6)")) == 0)
@@ -2424,7 +2433,7 @@ static int do_scsi_command(struct fsg_dev *fsg)
case READ_10:
fsg->data_size_from_cmnd =
- get_unaligned_be16(&fsg->cmnd[7]) << 9;
+ get_unaligned_be16(&fsg->cmnd[7]) << fsg->curlun->blkbits;
if ((reply = check_command(fsg, 10, DATA_DIR_TO_HOST,
(1<<1) | (0xf<<2) | (3<<7), 1,
"READ(10)")) == 0)
@@ -2433,7 +2442,7 @@ static int do_scsi_command(struct fsg_dev *fsg)
case READ_12:
fsg->data_size_from_cmnd =
- get_unaligned_be32(&fsg->cmnd[6]) << 9;
+ get_unaligned_be32(&fsg->cmnd[6]) << fsg->curlun->blkbits;
if ((reply = check_command(fsg, 12, DATA_DIR_TO_HOST,
(1<<1) | (0xf<<2) | (0xf<<6), 1,
"READ(12)")) == 0)
@@ -2519,7 +2528,7 @@ static int do_scsi_command(struct fsg_dev *fsg)
case WRITE_6:
i = fsg->cmnd[4];
- fsg->data_size_from_cmnd = (i == 0 ? 256 : i) << 9;
+ fsg->data_size_from_cmnd = (i == 0 ? 256 : i) << fsg->curlun->blkbits;
if ((reply = check_command(fsg, 6, DATA_DIR_FROM_HOST,
(7<<1) | (1<<4), 1,
"WRITE(6)")) == 0)
@@ -2528,7 +2537,7 @@ static int do_scsi_command(struct fsg_dev *fsg)
case WRITE_10:
fsg->data_size_from_cmnd =
- get_unaligned_be16(&fsg->cmnd[7]) << 9;
+ get_unaligned_be16(&fsg->cmnd[7]) << fsg->curlun->blkbits;
if ((reply = check_command(fsg, 10, DATA_DIR_FROM_HOST,
(1<<1) | (0xf<<2) | (3<<7), 1,
"WRITE(10)")) == 0)
@@ -2537,7 +2546,7 @@ static int do_scsi_command(struct fsg_dev *fsg)
case WRITE_12:
fsg->data_size_from_cmnd =
- get_unaligned_be32(&fsg->cmnd[6]) << 9;
+ get_unaligned_be32(&fsg->cmnd[6]) << fsg->curlun->blkbits;
if ((reply = check_command(fsg, 12, DATA_DIR_FROM_HOST,
(1<<1) | (0xf<<2) | (0xf<<6), 1,
"WRITE(12)")) == 0)
@@ -2666,7 +2675,6 @@ static int get_next_command(struct fsg_dev *fsg)
/* Queue a request to read a Bulk-only CBW */
set_bulk_out_req_length(fsg, bh, USB_BULK_CB_WRAP_LEN);
- bh->outreq->short_not_ok = 1;
start_transfer(fsg, fsg->bulk_out, bh->outreq,
&bh->outreq_busy, &bh->state);
@@ -2752,7 +2760,7 @@ static int do_set_interface(struct fsg_dev *fsg, int altsetting)
reset:
/* Deallocate the requests */
- for (i = 0; i < FSG_NUM_BUFFERS; ++i) {
+ for (i = 0; i < fsg_num_buffers; ++i) {
struct fsg_buffhd *bh = &fsg->buffhds[i];
if (bh->inreq) {
@@ -2791,29 +2799,32 @@ reset:
/* Enable the endpoints */
d = fsg_ep_desc(fsg->gadget,
- &fsg_fs_bulk_in_desc, &fsg_hs_bulk_in_desc);
+ &fsg_fs_bulk_in_desc, &fsg_hs_bulk_in_desc,
+ &fsg_ss_bulk_in_desc);
if ((rc = enable_endpoint(fsg, fsg->bulk_in, d)) != 0)
goto reset;
fsg->bulk_in_enabled = 1;
d = fsg_ep_desc(fsg->gadget,
- &fsg_fs_bulk_out_desc, &fsg_hs_bulk_out_desc);
+ &fsg_fs_bulk_out_desc, &fsg_hs_bulk_out_desc,
+ &fsg_ss_bulk_out_desc);
if ((rc = enable_endpoint(fsg, fsg->bulk_out, d)) != 0)
goto reset;
fsg->bulk_out_enabled = 1;
- fsg->bulk_out_maxpacket = le16_to_cpu(d->wMaxPacketSize);
+ fsg->bulk_out_maxpacket = usb_endpoint_maxp(d);
clear_bit(IGNORE_BULK_OUT, &fsg->atomic_bitflags);
if (transport_is_cbi()) {
d = fsg_ep_desc(fsg->gadget,
- &fsg_fs_intr_in_desc, &fsg_hs_intr_in_desc);
+ &fsg_fs_intr_in_desc, &fsg_hs_intr_in_desc,
+ &fsg_ss_intr_in_desc);
if ((rc = enable_endpoint(fsg, fsg->intr_in, d)) != 0)
goto reset;
fsg->intr_in_enabled = 1;
}
/* Allocate the requests */
- for (i = 0; i < FSG_NUM_BUFFERS; ++i) {
+ for (i = 0; i < fsg_num_buffers; ++i) {
struct fsg_buffhd *bh = &fsg->buffhds[i];
if ((rc = alloc_request(fsg, fsg->bulk_in, &bh->inreq)) != 0)
@@ -2862,17 +2873,10 @@ static int do_set_config(struct fsg_dev *fsg, u8 new_config)
fsg->config = new_config;
if ((rc = do_set_interface(fsg, 0)) != 0)
fsg->config = 0; // Reset on errors
- else {
- char *speed;
-
- switch (fsg->gadget->speed) {
- case USB_SPEED_LOW: speed = "low"; break;
- case USB_SPEED_FULL: speed = "full"; break;
- case USB_SPEED_HIGH: speed = "high"; break;
- default: speed = "?"; break;
- }
- INFO(fsg, "%s speed config #%d\n", speed, fsg->config);
- }
+ else
+ INFO(fsg, "%s config #%d\n",
+ usb_speed_string(fsg->gadget->speed),
+ fsg->config);
}
return rc;
}
@@ -2909,7 +2913,7 @@ static void handle_exception(struct fsg_dev *fsg)
/* Cancel all the pending transfers */
if (fsg->intreq_busy)
usb_ep_dequeue(fsg->intr_in, fsg->intreq);
- for (i = 0; i < FSG_NUM_BUFFERS; ++i) {
+ for (i = 0; i < fsg_num_buffers; ++i) {
bh = &fsg->buffhds[i];
if (bh->inreq_busy)
usb_ep_dequeue(fsg->bulk_in, bh->inreq);
@@ -2920,7 +2924,7 @@ static void handle_exception(struct fsg_dev *fsg)
/* Wait until everything is idle */
for (;;) {
num_active = fsg->intreq_busy;
- for (i = 0; i < FSG_NUM_BUFFERS; ++i) {
+ for (i = 0; i < fsg_num_buffers; ++i) {
bh = &fsg->buffhds[i];
num_active += bh->inreq_busy + bh->outreq_busy;
}
@@ -2942,7 +2946,7 @@ static void handle_exception(struct fsg_dev *fsg)
* state, and the exception. Then invoke the handler. */
spin_lock_irq(&fsg->lock);
- for (i = 0; i < FSG_NUM_BUFFERS; ++i) {
+ for (i = 0; i < fsg_num_buffers; ++i) {
bh = &fsg->buffhds[i];
bh->state = BUF_STATE_EMPTY;
}
@@ -3149,6 +3153,15 @@ static void /* __init_or_exit */ fsg_unbind(struct usb_gadget *gadget)
DBG(fsg, "unbind\n");
clear_bit(REGISTERED, &fsg->atomic_bitflags);
+ /* If the thread isn't already dead, tell it to exit now */
+ if (fsg->state != FSG_STATE_TERMINATED) {
+ raise_exception(fsg, FSG_STATE_EXIT);
+ wait_for_completion(&fsg->thread_notifier);
+
+ /* The cleanup routine waits for this completion also */
+ complete(&fsg->thread_notifier);
+ }
+
/* Unregister the sysfs attribute files and the LUNs */
for (i = 0; i < fsg->nluns; ++i) {
curlun = &fsg->luns[i];
@@ -3162,17 +3175,8 @@ static void /* __init_or_exit */ fsg_unbind(struct usb_gadget *gadget)
}
}
- /* If the thread isn't already dead, tell it to exit now */
- if (fsg->state != FSG_STATE_TERMINATED) {
- raise_exception(fsg, FSG_STATE_EXIT);
- wait_for_completion(&fsg->thread_notifier);
-
- /* The cleanup routine waits for this completion also */
- complete(&fsg->thread_notifier);
- }
-
/* Free the data buffers */
- for (i = 0; i < FSG_NUM_BUFFERS; ++i)
+ for (i = 0; i < fsg_num_buffers; ++i)
kfree(fsg->buffhds[i].buf);
/* Free the request and buffer for endpoint 0 */
@@ -3445,6 +3449,24 @@ static int __init fsg_bind(struct usb_gadget *gadget)
fsg_fs_intr_in_desc.bEndpointAddress;
}
+ if (gadget_is_superspeed(gadget)) {
+ unsigned max_burst;
+
+ fsg_ss_function[i + FSG_SS_FUNCTION_PRE_EP_ENTRIES] = NULL;
+
+ /* Calculate bMaxBurst, we know packet size is 1024 */
+ max_burst = min_t(unsigned, mod_data.buflen / 1024, 15);
+
+ /* Assume endpoint addresses are the same for both speeds */
+ fsg_ss_bulk_in_desc.bEndpointAddress =
+ fsg_fs_bulk_in_desc.bEndpointAddress;
+ fsg_ss_bulk_in_comp_desc.bMaxBurst = max_burst;
+
+ fsg_ss_bulk_out_desc.bEndpointAddress =
+ fsg_fs_bulk_out_desc.bEndpointAddress;
+ fsg_ss_bulk_out_comp_desc.bMaxBurst = max_burst;
+ }
+
if (gadget_is_otg(gadget))
fsg_otg_desc.bmAttributes |= USB_OTG_HNP;
@@ -3460,7 +3482,7 @@ static int __init fsg_bind(struct usb_gadget *gadget)
req->complete = ep0_complete;
/* Allocate the data buffers */
- for (i = 0; i < FSG_NUM_BUFFERS; ++i) {
+ for (i = 0; i < fsg_num_buffers; ++i) {
struct fsg_buffhd *bh = &fsg->buffhds[i];
/* Allocate for the bulk-in endpoint. We assume that
@@ -3471,7 +3493,7 @@ static int __init fsg_bind(struct usb_gadget *gadget)
goto out;
bh->next = bh + 1;
}
- fsg->buffhds[FSG_NUM_BUFFERS - 1].next = &fsg->buffhds[0];
+ fsg->buffhds[fsg_num_buffers - 1].next = &fsg->buffhds[0];
/* This should reflect the actual gadget power source */
usb_gadget_set_selfpowered(gadget);
@@ -3561,11 +3583,7 @@ static void fsg_resume(struct usb_gadget *gadget)
/*-------------------------------------------------------------------------*/
static struct usb_gadget_driver fsg_driver = {
-#ifdef CONFIG_USB_GADGET_DUALSPEED
- .speed = USB_SPEED_HIGH,
-#else
- .speed = USB_SPEED_FULL,
-#endif
+ .speed = USB_SPEED_SUPER,
.function = (char *) fsg_string_product,
.unbind = fsg_unbind,
.disconnect = fsg_disconnect,
@@ -3587,7 +3605,9 @@ static int __init fsg_alloc(void)
{
struct fsg_dev *fsg;
- fsg = kzalloc(sizeof *fsg, GFP_KERNEL);
+ fsg = kzalloc(sizeof *fsg +
+ fsg_num_buffers * sizeof *(fsg->buffhds), GFP_KERNEL);
+
if (!fsg)
return -ENOMEM;
spin_lock_init(&fsg->lock);
@@ -3605,6 +3625,10 @@ static int __init fsg_init(void)
int rc;
struct fsg_dev *fsg;
+ rc = fsg_num_buffers_validate();
+ if (rc != 0)
+ return rc;
+
if ((rc = fsg_alloc()) != 0)
return rc;
fsg = the_fsg;
diff --git a/drivers/usb/gadget/fsl_qe_udc.c b/drivers/usb/gadget/fsl_qe_udc.c
index 3bf872e1ad39..2a03e4de11c1 100644
--- a/drivers/usb/gadget/fsl_qe_udc.c
+++ b/drivers/usb/gadget/fsl_qe_udc.c
@@ -540,7 +540,7 @@ static int qe_ep_init(struct qe_udc *udc,
int reval = 0;
u16 max = 0;
- max = le16_to_cpu(desc->wMaxPacketSize);
+ max = usb_endpoint_maxp(desc);
/* check the max package size validate for this endpoint */
/* Refer to USB2.0 spec table 9-13,
diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c
index de24a4233c25..b2c44e1d5813 100644
--- a/drivers/usb/gadget/fsl_udc_core.c
+++ b/drivers/usb/gadget/fsl_udc_core.c
@@ -559,7 +559,7 @@ static int fsl_ep_enable(struct usb_ep *_ep,
if (!udc->driver || (udc->gadget.speed == USB_SPEED_UNKNOWN))
return -ESHUTDOWN;
- max = le16_to_cpu(desc->wMaxPacketSize);
+ max = usb_endpoint_maxp(desc);
/* Disable automatic zlp generation. Driver is responsible to indicate
* explicitly through req->req.zero. This is needed to enable multi-td
@@ -1715,34 +1715,31 @@ static void dtd_complete_irq(struct fsl_udc *udc)
}
}
+static inline enum usb_device_speed portscx_device_speed(u32 reg)
+{
+ switch (speed & PORTSCX_PORT_SPEED_MASK) {
+ case PORTSCX_PORT_SPEED_HIGH:
+ return USB_SPEED_HIGH;
+ case PORTSCX_PORT_SPEED_FULL:
+ return USB_SPEED_FULL;
+ case PORTSCX_PORT_SPEED_LOW:
+ return USB_SPEED_LOW;
+ default:
+ return USB_SPEED_UNKNOWN;
+ }
+}
+
/* Process a port change interrupt */
static void port_change_irq(struct fsl_udc *udc)
{
- u32 speed;
-
if (udc->bus_reset)
udc->bus_reset = 0;
/* Bus resetting is finished */
- if (!(fsl_readl(&dr_regs->portsc1) & PORTSCX_PORT_RESET)) {
+ if (!(fsl_readl(&dr_regs->portsc1) & PORTSCX_PORT_RESET))
/* Get the speed */
- speed = (fsl_readl(&dr_regs->portsc1)
- & PORTSCX_PORT_SPEED_MASK);
- switch (speed) {
- case PORTSCX_PORT_SPEED_HIGH:
- udc->gadget.speed = USB_SPEED_HIGH;
- break;
- case PORTSCX_PORT_SPEED_FULL:
- udc->gadget.speed = USB_SPEED_FULL;
- break;
- case PORTSCX_PORT_SPEED_LOW:
- udc->gadget.speed = USB_SPEED_LOW;
- break;
- default:
- udc->gadget.speed = USB_SPEED_UNKNOWN;
- break;
- }
- }
+ udc->gadget.speed =
+ portscx_device_speed(fsl_readl(&dr_regs->portsc1));
/* Update USB state */
if (!udc->resume_state)
@@ -2167,20 +2164,8 @@ static int fsl_proc_read(char *page, char **start, off_t off, int count,
default:
s = "None"; break;
}
- s;} ), ( {
- char *s;
- switch (tmp_reg & PORTSCX_PORT_SPEED_UNDEF) {
- case PORTSCX_PORT_SPEED_FULL:
- s = "Full Speed"; break;
- case PORTSCX_PORT_SPEED_LOW:
- s = "Low Speed"; break;
- case PORTSCX_PORT_SPEED_HIGH:
- s = "High Speed"; break;
- default:
- s = "Undefined"; break;
- }
- s;
- } ),
+ s;} ),
+ usb_speed_string(portscx_device_speed(tmp_reg)),
(tmp_reg & PORTSCX_PHY_LOW_POWER_SPD) ?
"Normal PHY mode" : "Low power mode",
(tmp_reg & PORTSCX_PORT_RESET) ? "In Reset" :
diff --git a/drivers/usb/gadget/fusb300_udc.c b/drivers/usb/gadget/fusb300_udc.c
index 4ec888f90002..e593f2849fa9 100644
--- a/drivers/usb/gadget/fusb300_udc.c
+++ b/drivers/usb/gadget/fusb300_udc.c
@@ -8,16 +8,6 @@
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- *
*/
#include <linux/dma-mapping.h>
#include <linux/err.h>
@@ -220,7 +210,7 @@ static int config_ep(struct fusb300_ep *ep,
info.type = desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK;
info.dir_in = (desc->bEndpointAddress & USB_ENDPOINT_DIR_MASK) ? 1 : 0;
- info.maxpacket = le16_to_cpu(desc->wMaxPacketSize);
+ info.maxpacket = usb_endpoint_maxp(desc);
info.epnum = desc->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
if ((info.type == USB_ENDPOINT_XFER_INT) ||
@@ -1479,7 +1469,7 @@ static int __init fusb300_probe(struct platform_device *pdev)
fusb300->gadget.name = udc_name;
fusb300->reg = reg;
- ret = request_irq(ires->start, fusb300_irq, IRQF_DISABLED | IRQF_SHARED,
+ ret = request_irq(ires->start, fusb300_irq, IRQF_SHARED,
udc_name, fusb300);
if (ret < 0) {
pr_err("request_irq error (%d)\n", ret);
@@ -1487,7 +1477,7 @@ static int __init fusb300_probe(struct platform_device *pdev)
}
ret = request_irq(ires1->start, fusb300_irq,
- IRQF_DISABLED | IRQF_SHARED, udc_name, fusb300);
+ IRQF_SHARED, udc_name, fusb300);
if (ret < 0) {
pr_err("request_irq1 error (%d)\n", ret);
goto clean_up;
diff --git a/drivers/usb/gadget/fusb300_udc.h b/drivers/usb/gadget/fusb300_udc.h
index f51aa2ef1f90..92745bd03064 100644
--- a/drivers/usb/gadget/fusb300_udc.h
+++ b/drivers/usb/gadget/fusb300_udc.h
@@ -8,16 +8,6 @@
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- *
*/
diff --git a/drivers/usb/gadget/g_ffs.c b/drivers/usb/gadget/g_ffs.c
index 704c2800ac00..0519d77915ec 100644
--- a/drivers/usb/gadget/g_ffs.c
+++ b/drivers/usb/gadget/g_ffs.c
@@ -8,15 +8,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#define pr_fmt(fmt) "g_ffs: " fmt
diff --git a/drivers/usb/gadget/gadget_chips.h b/drivers/usb/gadget/gadget_chips.h
index f3a83cd0ef50..a8855d0b7f3b 100644
--- a/drivers/usb/gadget/gadget_chips.h
+++ b/drivers/usb/gadget/gadget_chips.h
@@ -31,6 +31,7 @@
#define gadget_is_ci13xxx_msm(g) (!strcmp("ci13xxx_msm", (g)->name))
#define gadget_is_ci13xxx_pci(g) (!strcmp("ci13xxx_pci", (g)->name))
#define gadget_is_dummy(g) (!strcmp("dummy_udc", (g)->name))
+#define gadget_is_dwc3(g) (!strcmp("dwc3-gadget", (g)->name))
#define gadget_is_fsl_qe(g) (!strcmp("fsl_qe_udc", (g)->name))
#define gadget_is_fsl_usb2(g) (!strcmp("fsl-usb2-udc", (g)->name))
#define gadget_is_goku(g) (!strcmp("goku_udc", (g)->name))
@@ -115,6 +116,8 @@ static inline int usb_gadget_controller_number(struct usb_gadget *gadget)
return 0x30;
else if (gadget_is_net2272(gadget))
return 0x31;
+ else if (gadget_is_dwc3(gadget))
+ return 0x32;
return -ENOENT;
}
diff --git a/drivers/usb/gadget/gmidi.c b/drivers/usb/gadget/gmidi.c
index 8b9220e128a7..8fcde37aa6d4 100644
--- a/drivers/usb/gadget/gmidi.c
+++ b/drivers/usb/gadget/gmidi.c
@@ -36,134 +36,43 @@
#include "gadget_chips.h"
-
-/*
- * Kbuild is not very cooperative with respect to linking separately
- * compiled library objects into one module. So for now we won't use
- * separate compilation ... ensuring init/exit sections work to shrink
- * the runtime footprint, and giving us at least some parts of what
- * a "gcc --combine ... part1.c part2.c part3.c ... " build would.
- */
+#include "composite.c"
#include "usbstring.c"
#include "config.c"
#include "epautoconf.c"
+#include "f_midi.c"
/*-------------------------------------------------------------------------*/
-
MODULE_AUTHOR("Ben Williamson");
MODULE_LICENSE("GPL v2");
-#define DRIVER_VERSION "25 Jul 2006"
-
static const char shortname[] = "g_midi";
static const char longname[] = "MIDI Gadget";
static int index = SNDRV_DEFAULT_IDX1;
-static char *id = SNDRV_DEFAULT_STR1;
-
-module_param(index, int, 0444);
+module_param(index, int, S_IRUGO);
MODULE_PARM_DESC(index, "Index value for the USB MIDI Gadget adapter.");
-module_param(id, charp, 0444);
-MODULE_PARM_DESC(id, "ID string for the USB MIDI Gadget adapter.");
-
-/* Some systems will want different product identifiers published in the
- * device descriptor, either numbers or strings or both. These string
- * parameters are in UTF-8 (superset of ASCII's 7 bit characters).
- */
-
-static ushort idVendor;
-module_param(idVendor, ushort, S_IRUGO);
-MODULE_PARM_DESC(idVendor, "USB Vendor ID");
-
-static ushort idProduct;
-module_param(idProduct, ushort, S_IRUGO);
-MODULE_PARM_DESC(idProduct, "USB Product ID");
-
-static ushort bcdDevice;
-module_param(bcdDevice, ushort, S_IRUGO);
-MODULE_PARM_DESC(bcdDevice, "USB Device version (BCD)");
-
-static char *iManufacturer;
-module_param(iManufacturer, charp, S_IRUGO);
-MODULE_PARM_DESC(iManufacturer, "USB Manufacturer string");
-
-static char *iProduct;
-module_param(iProduct, charp, S_IRUGO);
-MODULE_PARM_DESC(iProduct, "USB Product string");
-
-static char *iSerialNumber;
-module_param(iSerialNumber, charp, S_IRUGO);
-MODULE_PARM_DESC(iSerialNumber, "SerialNumber");
-
-/*
- * this version autoconfigures as much as possible,
- * which is reasonable for most "bulk-only" drivers.
- */
-static const char *EP_IN_NAME;
-static const char *EP_OUT_NAME;
+static char *id = SNDRV_DEFAULT_STR1;
+module_param(id, charp, S_IRUGO);
+MODULE_PARM_DESC(id, "ID string for the USB MIDI Gadget adapter.");
-/* big enough to hold our biggest descriptor */
-#define USB_BUFSIZ 256
-
-
-/* This is a gadget, and the IN/OUT naming is from the host's perspective.
- USB -> OUT endpoint -> rawmidi
- USB <- IN endpoint <- rawmidi */
-struct gmidi_in_port {
- struct gmidi_device* dev;
- int active;
- uint8_t cable; /* cable number << 4 */
- uint8_t state;
-#define STATE_UNKNOWN 0
-#define STATE_1PARAM 1
-#define STATE_2PARAM_1 2
-#define STATE_2PARAM_2 3
-#define STATE_SYSEX_0 4
-#define STATE_SYSEX_1 5
-#define STATE_SYSEX_2 6
- uint8_t data[2];
-};
-
-struct gmidi_device {
- spinlock_t lock;
- struct usb_gadget *gadget;
- struct usb_request *req; /* for control responses */
- u8 config;
- struct usb_ep *in_ep, *out_ep;
- struct snd_card *card;
- struct snd_rawmidi *rmidi;
- struct snd_rawmidi_substream *in_substream;
- struct snd_rawmidi_substream *out_substream;
-
- /* For the moment we only support one port in
- each direction, but in_port is kept as a
- separate struct so we can have more later. */
- struct gmidi_in_port in_port;
- unsigned long out_triggered;
- struct tasklet_struct tasklet;
-};
-
-static void gmidi_transmit(struct gmidi_device* dev, struct usb_request* req);
-
-
-#define DBG(d, fmt, args...) \
- dev_dbg(&(d)->gadget->dev , fmt , ## args)
-#define VDBG(d, fmt, args...) \
- dev_vdbg(&(d)->gadget->dev , fmt , ## args)
-#define ERROR(d, fmt, args...) \
- dev_err(&(d)->gadget->dev , fmt , ## args)
-#define INFO(d, fmt, args...) \
- dev_info(&(d)->gadget->dev , fmt , ## args)
-
-
-static unsigned buflen = 256;
-static unsigned qlen = 32;
-
+static unsigned int buflen = 256;
module_param(buflen, uint, S_IRUGO);
+MODULE_PARM_DESC(buflen, "MIDI buffer length");
+
+static unsigned int qlen = 32;
module_param(qlen, uint, S_IRUGO);
+MODULE_PARM_DESC(qlen, "USB read request queue length");
+static unsigned int in_ports = 1;
+module_param(in_ports, uint, S_IRUGO);
+MODULE_PARM_DESC(in_ports, "Number of MIDI input ports");
+
+static unsigned int out_ports = 1;
+module_param(out_ports, uint, S_IRUGO);
+MODULE_PARM_DESC(out_ports, "Number of MIDI output ports");
/* Thanks to Grey Innovation for donating this product ID.
*
@@ -173,1149 +82,124 @@ module_param(qlen, uint, S_IRUGO);
#define DRIVER_VENDOR_NUM 0x17b3 /* Grey Innovation */
#define DRIVER_PRODUCT_NUM 0x0004 /* Linux-USB "MIDI Gadget" */
+/* string IDs are assigned dynamically */
-/*
- * DESCRIPTORS ... most are static, but strings and (full)
- * configuration descriptors are built on demand.
- */
-
-#define STRING_MANUFACTURER 25
-#define STRING_PRODUCT 42
-#define STRING_SERIAL 101
-#define STRING_MIDI_GADGET 250
+#define STRING_MANUFACTURER_IDX 0
+#define STRING_PRODUCT_IDX 1
+#define STRING_DESCRIPTION_IDX 2
-/* We only have the one configuration, it's number 1. */
-#define GMIDI_CONFIG 1
-
-/* We have two interfaces- AudioControl and MIDIStreaming */
-#define GMIDI_AC_INTERFACE 0
-#define GMIDI_MS_INTERFACE 1
-#define GMIDI_NUM_INTERFACES 2
-
-DECLARE_UAC_AC_HEADER_DESCRIPTOR(1);
-DECLARE_USB_MIDI_OUT_JACK_DESCRIPTOR(1);
-DECLARE_USB_MS_ENDPOINT_DESCRIPTOR(1);
-
-/* B.1 Device Descriptor */
static struct usb_device_descriptor device_desc = {
.bLength = USB_DT_DEVICE_SIZE,
.bDescriptorType = USB_DT_DEVICE,
- .bcdUSB = cpu_to_le16(0x0200),
+ .bcdUSB = __constant_cpu_to_le16(0x0200),
.bDeviceClass = USB_CLASS_PER_INTERFACE,
- .idVendor = cpu_to_le16(DRIVER_VENDOR_NUM),
- .idProduct = cpu_to_le16(DRIVER_PRODUCT_NUM),
- .iManufacturer = STRING_MANUFACTURER,
- .iProduct = STRING_PRODUCT,
+ .idVendor = __constant_cpu_to_le16(DRIVER_VENDOR_NUM),
+ .idProduct = __constant_cpu_to_le16(DRIVER_PRODUCT_NUM),
+ /* .iManufacturer = DYNAMIC */
+ /* .iProduct = DYNAMIC */
.bNumConfigurations = 1,
};
-/* B.2 Configuration Descriptor */
-static struct usb_config_descriptor config_desc = {
- .bLength = USB_DT_CONFIG_SIZE,
- .bDescriptorType = USB_DT_CONFIG,
- /* compute wTotalLength on the fly */
- .bNumInterfaces = GMIDI_NUM_INTERFACES,
- .bConfigurationValue = GMIDI_CONFIG,
- .iConfiguration = STRING_MIDI_GADGET,
- /*
- * FIXME: When embedding this driver in a device,
- * these need to be set to reflect the actual
- * power properties of the device. Is it selfpowered?
- */
- .bmAttributes = USB_CONFIG_ATT_ONE,
- .bMaxPower = CONFIG_USB_GADGET_VBUS_DRAW / 2,
-};
-
-/* B.3.1 Standard AC Interface Descriptor */
-static const struct usb_interface_descriptor ac_interface_desc = {
- .bLength = USB_DT_INTERFACE_SIZE,
- .bDescriptorType = USB_DT_INTERFACE,
- .bInterfaceNumber = GMIDI_AC_INTERFACE,
- .bNumEndpoints = 0,
- .bInterfaceClass = USB_CLASS_AUDIO,
- .bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL,
- .iInterface = STRING_MIDI_GADGET,
-};
-
-/* B.3.2 Class-Specific AC Interface Descriptor */
-static const struct uac1_ac_header_descriptor_1 ac_header_desc = {
- .bLength = UAC_DT_AC_HEADER_SIZE(1),
- .bDescriptorType = USB_DT_CS_INTERFACE,
- .bDescriptorSubtype = USB_MS_HEADER,
- .bcdADC = cpu_to_le16(0x0100),
- .wTotalLength = cpu_to_le16(UAC_DT_AC_HEADER_SIZE(1)),
- .bInCollection = 1,
- .baInterfaceNr = {
- [0] = GMIDI_MS_INTERFACE,
- }
-};
-
-/* B.4.1 Standard MS Interface Descriptor */
-static const struct usb_interface_descriptor ms_interface_desc = {
- .bLength = USB_DT_INTERFACE_SIZE,
- .bDescriptorType = USB_DT_INTERFACE,
- .bInterfaceNumber = GMIDI_MS_INTERFACE,
- .bNumEndpoints = 2,
- .bInterfaceClass = USB_CLASS_AUDIO,
- .bInterfaceSubClass = USB_SUBCLASS_MIDISTREAMING,
- .iInterface = STRING_MIDI_GADGET,
+static struct usb_string strings_dev[] = {
+ [STRING_MANUFACTURER_IDX].s = "Grey Innovation",
+ [STRING_PRODUCT_IDX].s = "MIDI Gadget",
+ [STRING_DESCRIPTION_IDX].s = "MIDI",
+ { } /* end of list */
};
-/* B.4.2 Class-Specific MS Interface Descriptor */
-static const struct usb_ms_header_descriptor ms_header_desc = {
- .bLength = USB_DT_MS_HEADER_SIZE,
- .bDescriptorType = USB_DT_CS_INTERFACE,
- .bDescriptorSubtype = USB_MS_HEADER,
- .bcdMSC = cpu_to_le16(0x0100),
- .wTotalLength = cpu_to_le16(USB_DT_MS_HEADER_SIZE
- + 2*USB_DT_MIDI_IN_SIZE
- + 2*USB_DT_MIDI_OUT_SIZE(1)),
-};
-
-#define JACK_IN_EMB 1
-#define JACK_IN_EXT 2
-#define JACK_OUT_EMB 3
-#define JACK_OUT_EXT 4
-
-/* B.4.3 MIDI IN Jack Descriptors */
-static const struct usb_midi_in_jack_descriptor jack_in_emb_desc = {
- .bLength = USB_DT_MIDI_IN_SIZE,
- .bDescriptorType = USB_DT_CS_INTERFACE,
- .bDescriptorSubtype = USB_MS_MIDI_IN_JACK,
- .bJackType = USB_MS_EMBEDDED,
- .bJackID = JACK_IN_EMB,
-};
-
-static const struct usb_midi_in_jack_descriptor jack_in_ext_desc = {
- .bLength = USB_DT_MIDI_IN_SIZE,
- .bDescriptorType = USB_DT_CS_INTERFACE,
- .bDescriptorSubtype = USB_MS_MIDI_IN_JACK,
- .bJackType = USB_MS_EXTERNAL,
- .bJackID = JACK_IN_EXT,
-};
-
-/* B.4.4 MIDI OUT Jack Descriptors */
-static const struct usb_midi_out_jack_descriptor_1 jack_out_emb_desc = {
- .bLength = USB_DT_MIDI_OUT_SIZE(1),
- .bDescriptorType = USB_DT_CS_INTERFACE,
- .bDescriptorSubtype = USB_MS_MIDI_OUT_JACK,
- .bJackType = USB_MS_EMBEDDED,
- .bJackID = JACK_OUT_EMB,
- .bNrInputPins = 1,
- .pins = {
- [0] = {
- .baSourceID = JACK_IN_EXT,
- .baSourcePin = 1,
- }
- }
-};
-
-static const struct usb_midi_out_jack_descriptor_1 jack_out_ext_desc = {
- .bLength = USB_DT_MIDI_OUT_SIZE(1),
- .bDescriptorType = USB_DT_CS_INTERFACE,
- .bDescriptorSubtype = USB_MS_MIDI_OUT_JACK,
- .bJackType = USB_MS_EXTERNAL,
- .bJackID = JACK_OUT_EXT,
- .bNrInputPins = 1,
- .pins = {
- [0] = {
- .baSourceID = JACK_IN_EMB,
- .baSourcePin = 1,
- }
- }
-};
-
-/* B.5.1 Standard Bulk OUT Endpoint Descriptor */
-static struct usb_endpoint_descriptor bulk_out_desc = {
- .bLength = USB_DT_ENDPOINT_AUDIO_SIZE,
- .bDescriptorType = USB_DT_ENDPOINT,
- .bEndpointAddress = USB_DIR_OUT,
- .bmAttributes = USB_ENDPOINT_XFER_BULK,
-};
-
-/* B.5.2 Class-specific MS Bulk OUT Endpoint Descriptor */
-static const struct usb_ms_endpoint_descriptor_1 ms_out_desc = {
- .bLength = USB_DT_MS_ENDPOINT_SIZE(1),
- .bDescriptorType = USB_DT_CS_ENDPOINT,
- .bDescriptorSubtype = USB_MS_GENERAL,
- .bNumEmbMIDIJack = 1,
- .baAssocJackID = {
- [0] = JACK_IN_EMB,
- }
-};
-
-/* B.6.1 Standard Bulk IN Endpoint Descriptor */
-static struct usb_endpoint_descriptor bulk_in_desc = {
- .bLength = USB_DT_ENDPOINT_AUDIO_SIZE,
- .bDescriptorType = USB_DT_ENDPOINT,
- .bEndpointAddress = USB_DIR_IN,
- .bmAttributes = USB_ENDPOINT_XFER_BULK,
-};
-
-/* B.6.2 Class-specific MS Bulk IN Endpoint Descriptor */
-static const struct usb_ms_endpoint_descriptor_1 ms_in_desc = {
- .bLength = USB_DT_MS_ENDPOINT_SIZE(1),
- .bDescriptorType = USB_DT_CS_ENDPOINT,
- .bDescriptorSubtype = USB_MS_GENERAL,
- .bNumEmbMIDIJack = 1,
- .baAssocJackID = {
- [0] = JACK_OUT_EMB,
- }
-};
-
-static const struct usb_descriptor_header *gmidi_function [] = {
- (struct usb_descriptor_header *)&ac_interface_desc,
- (struct usb_descriptor_header *)&ac_header_desc,
- (struct usb_descriptor_header *)&ms_interface_desc,
-
- (struct usb_descriptor_header *)&ms_header_desc,
- (struct usb_descriptor_header *)&jack_in_emb_desc,
- (struct usb_descriptor_header *)&jack_in_ext_desc,
- (struct usb_descriptor_header *)&jack_out_emb_desc,
- (struct usb_descriptor_header *)&jack_out_ext_desc,
- /* If you add more jacks, update ms_header_desc.wTotalLength */
-
- (struct usb_descriptor_header *)&bulk_out_desc,
- (struct usb_descriptor_header *)&ms_out_desc,
- (struct usb_descriptor_header *)&bulk_in_desc,
- (struct usb_descriptor_header *)&ms_in_desc,
- NULL,
-};
-
-static char manufacturer[50];
-static char product_desc[40] = "MIDI Gadget";
-static char serial_number[20];
-
-/* static strings, in UTF-8 */
-static struct usb_string strings [] = {
- { STRING_MANUFACTURER, manufacturer, },
- { STRING_PRODUCT, product_desc, },
- { STRING_SERIAL, serial_number, },
- { STRING_MIDI_GADGET, longname, },
- { } /* end of list */
-};
-
-static struct usb_gadget_strings stringtab = {
+static struct usb_gadget_strings stringtab_dev = {
.language = 0x0409, /* en-us */
- .strings = strings,
+ .strings = strings_dev,
};
-static int config_buf(struct usb_gadget *gadget,
- u8 *buf, u8 type, unsigned index)
-{
- int len;
-
- /* only one configuration */
- if (index != 0) {
- return -EINVAL;
- }
- len = usb_gadget_config_buf(&config_desc,
- buf, USB_BUFSIZ, gmidi_function);
- if (len < 0) {
- return len;
- }
- ((struct usb_config_descriptor *)buf)->bDescriptorType = type;
- return len;
-}
-
-static struct usb_request *alloc_ep_req(struct usb_ep *ep, unsigned length)
-{
- struct usb_request *req;
-
- req = usb_ep_alloc_request(ep, GFP_ATOMIC);
- if (req) {
- req->length = length;
- req->buf = kmalloc(length, GFP_ATOMIC);
- if (!req->buf) {
- usb_ep_free_request(ep, req);
- req = NULL;
- }
- }
- return req;
-}
-
-static void free_ep_req(struct usb_ep *ep, struct usb_request *req)
-{
- kfree(req->buf);
- usb_ep_free_request(ep, req);
-}
-
-static const uint8_t gmidi_cin_length[] = {
- 0, 0, 2, 3, 3, 1, 2, 3, 3, 3, 3, 3, 2, 2, 3, 1
+static struct usb_gadget_strings *dev_strings[] = {
+ &stringtab_dev,
+ NULL,
};
-/*
- * Receives a chunk of MIDI data.
- */
-static void gmidi_read_data(struct usb_ep *ep, int cable,
- uint8_t *data, int length)
-{
- struct gmidi_device *dev = ep->driver_data;
- /* cable is ignored, because for now we only have one. */
-
- if (!dev->out_substream) {
- /* Nobody is listening - throw it on the floor. */
- return;
- }
- if (!test_bit(dev->out_substream->number, &dev->out_triggered)) {
- return;
- }
- snd_rawmidi_receive(dev->out_substream, data, length);
-}
-
-static void gmidi_handle_out_data(struct usb_ep *ep, struct usb_request *req)
-{
- unsigned i;
- u8 *buf = req->buf;
-
- for (i = 0; i + 3 < req->actual; i += 4) {
- if (buf[i] != 0) {
- int cable = buf[i] >> 4;
- int length = gmidi_cin_length[buf[i] & 0x0f];
- gmidi_read_data(ep, cable, &buf[i + 1], length);
- }
- }
-}
-
-static void gmidi_complete(struct usb_ep *ep, struct usb_request *req)
-{
- struct gmidi_device *dev = ep->driver_data;
- int status = req->status;
-
- switch (status) {
- case 0: /* normal completion */
- if (ep == dev->out_ep) {
- /* we received stuff.
- req is queued again, below */
- gmidi_handle_out_data(ep, req);
- } else if (ep == dev->in_ep) {
- /* our transmit completed.
- see if there's more to go.
- gmidi_transmit eats req, don't queue it again. */
- gmidi_transmit(dev, req);
- return;
- }
- break;
-
- /* this endpoint is normally active while we're configured */
- case -ECONNABORTED: /* hardware forced ep reset */
- case -ECONNRESET: /* request dequeued */
- case -ESHUTDOWN: /* disconnect from host */
- VDBG(dev, "%s gone (%d), %d/%d\n", ep->name, status,
- req->actual, req->length);
- if (ep == dev->out_ep) {
- gmidi_handle_out_data(ep, req);
- }
- free_ep_req(ep, req);
- return;
-
- case -EOVERFLOW: /* buffer overrun on read means that
- * we didn't provide a big enough
- * buffer.
- */
- default:
- DBG(dev, "%s complete --> %d, %d/%d\n", ep->name,
- status, req->actual, req->length);
- break;
- case -EREMOTEIO: /* short read */
- break;
- }
-
- status = usb_ep_queue(ep, req, GFP_ATOMIC);
- if (status) {
- ERROR(dev, "kill %s: resubmit %d bytes --> %d\n",
- ep->name, req->length, status);
- usb_ep_set_halt(ep);
- /* FIXME recover later ... somehow */
- }
-}
-
-static int set_gmidi_config(struct gmidi_device *dev, gfp_t gfp_flags)
-{
- int err = 0;
- struct usb_request *req;
- struct usb_ep *ep;
- unsigned i;
-
- dev->in_ep->desc = &bulk_in_desc;
- err = usb_ep_enable(dev->in_ep);
- if (err) {
- ERROR(dev, "can't start %s: %d\n", dev->in_ep->name, err);
- goto fail;
- }
- dev->in_ep->driver_data = dev;
-
- dev->out_ep->desc = &bulk_out_desc;
- err = usb_ep_enable(dev->out_ep);
- if (err) {
- ERROR(dev, "can't start %s: %d\n", dev->out_ep->name, err);
- goto fail;
- }
- dev->out_ep->driver_data = dev;
-
- /* allocate a bunch of read buffers and queue them all at once. */
- ep = dev->out_ep;
- for (i = 0; i < qlen && err == 0; i++) {
- req = alloc_ep_req(ep, buflen);
- if (req) {
- req->complete = gmidi_complete;
- err = usb_ep_queue(ep, req, GFP_ATOMIC);
- if (err) {
- DBG(dev, "%s queue req: %d\n", ep->name, err);
- }
- } else {
- err = -ENOMEM;
- }
- }
-fail:
- /* caller is responsible for cleanup on error */
- return err;
-}
-
-
-static void gmidi_reset_config(struct gmidi_device *dev)
-{
- if (dev->config == 0) {
- return;
- }
-
- DBG(dev, "reset config\n");
-
- /* just disable endpoints, forcing completion of pending i/o.
- * all our completion handlers free their requests in this case.
- */
- usb_ep_disable(dev->in_ep);
- usb_ep_disable(dev->out_ep);
- dev->config = 0;
-}
-
-/* change our operational config. this code must agree with the code
- * that returns config descriptors, and altsetting code.
- *
- * it's also responsible for power management interactions. some
- * configurations might not work with our current power sources.
- *
- * note that some device controller hardware will constrain what this
- * code can do, perhaps by disallowing more than one configuration or
- * by limiting configuration choices (like the pxa2xx).
- */
-static int
-gmidi_set_config(struct gmidi_device *dev, unsigned number, gfp_t gfp_flags)
-{
- int result = 0;
- struct usb_gadget *gadget = dev->gadget;
-
-#if 0
- /* FIXME */
- /* Hacking this bit out fixes a bug where on receipt of two
- USB_REQ_SET_CONFIGURATION messages, we end up with no
- buffered OUT requests waiting for data. This is clearly
- hiding a bug elsewhere, because if the config didn't
- change then we really shouldn't do anything. */
- /* Having said that, when we do "change" from config 1
- to config 1, we at least gmidi_reset_config() which
- clears out any requests on endpoints, so it's not like
- we leak or anything. */
- if (number == dev->config) {
- return 0;
- }
-#endif
-
- gmidi_reset_config(dev);
-
- switch (number) {
- case GMIDI_CONFIG:
- result = set_gmidi_config(dev, gfp_flags);
- break;
- default:
- result = -EINVAL;
- /* FALL THROUGH */
- case 0:
- return result;
- }
-
- if (!result && (!dev->in_ep || !dev->out_ep)) {
- result = -ENODEV;
- }
- if (result) {
- gmidi_reset_config(dev);
- } else {
- char *speed;
-
- switch (gadget->speed) {
- case USB_SPEED_LOW: speed = "low"; break;
- case USB_SPEED_FULL: speed = "full"; break;
- case USB_SPEED_HIGH: speed = "high"; break;
- default: speed = "?"; break;
- }
-
- dev->config = number;
- INFO(dev, "%s speed\n", speed);
- }
- return result;
-}
-
-
-static void gmidi_setup_complete(struct usb_ep *ep, struct usb_request *req)
-{
- if (req->status || req->actual != req->length) {
- DBG((struct gmidi_device *) ep->driver_data,
- "setup complete --> %d, %d/%d\n",
- req->status, req->actual, req->length);
- }
-}
-
-/*
- * The setup() callback implements all the ep0 functionality that's
- * not handled lower down, in hardware or the hardware driver (like
- * device and endpoint feature flags, and their status). It's all
- * housekeeping for the gadget function we're implementing. Most of
- * the work is in config-specific setup.
- */
-static int gmidi_setup(struct usb_gadget *gadget,
- const struct usb_ctrlrequest *ctrl)
-{
- struct gmidi_device *dev = get_gadget_data(gadget);
- struct usb_request *req = dev->req;
- int value = -EOPNOTSUPP;
- u16 w_index = le16_to_cpu(ctrl->wIndex);
- u16 w_value = le16_to_cpu(ctrl->wValue);
- u16 w_length = le16_to_cpu(ctrl->wLength);
-
- /* usually this stores reply data in the pre-allocated ep0 buffer,
- * but config change events will reconfigure hardware.
- */
- req->zero = 0;
- switch (ctrl->bRequest) {
-
- case USB_REQ_GET_DESCRIPTOR:
- if (ctrl->bRequestType != USB_DIR_IN) {
- goto unknown;
- }
- switch (w_value >> 8) {
-
- case USB_DT_DEVICE:
- device_desc.bMaxPacketSize0 = gadget->ep0->maxpacket;
- value = min(w_length, (u16) sizeof(device_desc));
- memcpy(req->buf, &device_desc, value);
- break;
- case USB_DT_CONFIG:
- value = config_buf(gadget, req->buf,
- w_value >> 8,
- w_value & 0xff);
- if (value >= 0) {
- value = min(w_length, (u16)value);
- }
- break;
-
- case USB_DT_STRING:
- /* wIndex == language code.
- * this driver only handles one language, you can
- * add string tables for other languages, using
- * any UTF-8 characters
- */
- value = usb_gadget_get_string(&stringtab,
- w_value & 0xff, req->buf);
- if (value >= 0) {
- value = min(w_length, (u16)value);
- }
- break;
- }
- break;
-
- /* currently two configs, two speeds */
- case USB_REQ_SET_CONFIGURATION:
- if (ctrl->bRequestType != 0) {
- goto unknown;
- }
- if (gadget->a_hnp_support) {
- DBG(dev, "HNP available\n");
- } else if (gadget->a_alt_hnp_support) {
- DBG(dev, "HNP needs a different root port\n");
- } else {
- VDBG(dev, "HNP inactive\n");
- }
- spin_lock(&dev->lock);
- value = gmidi_set_config(dev, w_value, GFP_ATOMIC);
- spin_unlock(&dev->lock);
- break;
- case USB_REQ_GET_CONFIGURATION:
- if (ctrl->bRequestType != USB_DIR_IN) {
- goto unknown;
- }
- *(u8 *)req->buf = dev->config;
- value = min(w_length, (u16)1);
- break;
-
- /* until we add altsetting support, or other interfaces,
- * only 0/0 are possible. pxa2xx only supports 0/0 (poorly)
- * and already killed pending endpoint I/O.
- */
- case USB_REQ_SET_INTERFACE:
- if (ctrl->bRequestType != USB_RECIP_INTERFACE) {
- goto unknown;
- }
- spin_lock(&dev->lock);
- if (dev->config && w_index < GMIDI_NUM_INTERFACES
- && w_value == 0)
- {
- u8 config = dev->config;
-
- /* resets interface configuration, forgets about
- * previous transaction state (queued bufs, etc)
- * and re-inits endpoint state (toggle etc)
- * no response queued, just zero status == success.
- * if we had more than one interface we couldn't
- * use this "reset the config" shortcut.
- */
- gmidi_reset_config(dev);
- gmidi_set_config(dev, config, GFP_ATOMIC);
- value = 0;
- }
- spin_unlock(&dev->lock);
- break;
- case USB_REQ_GET_INTERFACE:
- if (ctrl->bRequestType != (USB_DIR_IN|USB_RECIP_INTERFACE)) {
- goto unknown;
- }
- if (!dev->config) {
- break;
- }
- if (w_index >= GMIDI_NUM_INTERFACES) {
- value = -EDOM;
- break;
- }
- *(u8 *)req->buf = 0;
- value = min(w_length, (u16)1);
- break;
-
- default:
-unknown:
- VDBG(dev, "unknown control req%02x.%02x v%04x i%04x l%d\n",
- ctrl->bRequestType, ctrl->bRequest,
- w_value, w_index, w_length);
- }
-
- /* respond with data transfer before status phase? */
- if (value >= 0) {
- req->length = value;
- req->zero = value < w_length;
- value = usb_ep_queue(gadget->ep0, req, GFP_ATOMIC);
- if (value < 0) {
- DBG(dev, "ep_queue --> %d\n", value);
- req->status = 0;
- gmidi_setup_complete(gadget->ep0, req);
- }
- }
-
- /* device either stalls (value < 0) or reports success */
- return value;
-}
-
-static void gmidi_disconnect(struct usb_gadget *gadget)
-{
- struct gmidi_device *dev = get_gadget_data(gadget);
- unsigned long flags;
-
- spin_lock_irqsave(&dev->lock, flags);
- gmidi_reset_config(dev);
-
- /* a more significant application might have some non-usb
- * activities to quiesce here, saving resources like power
- * or pushing the notification up a network stack.
- */
- spin_unlock_irqrestore(&dev->lock, flags);
-
- /* next we may get setup() calls to enumerate new connections;
- * or an unbind() during shutdown (including removing module).
- */
-}
-
-static void /* __init_or_exit */ gmidi_unbind(struct usb_gadget *gadget)
-{
- struct gmidi_device *dev = get_gadget_data(gadget);
- struct snd_card *card;
-
- DBG(dev, "unbind\n");
-
- card = dev->card;
- dev->card = NULL;
- if (card) {
- snd_card_free(card);
- }
-
- /* we've already been disconnected ... no i/o is active */
- if (dev->req) {
- dev->req->length = USB_BUFSIZ;
- free_ep_req(gadget->ep0, dev->req);
- }
- kfree(dev);
- set_gadget_data(gadget, NULL);
-}
-
-static int gmidi_snd_free(struct snd_device *device)
+static int __exit midi_unbind(struct usb_composite_dev *dev)
{
return 0;
}
-static void gmidi_transmit_packet(struct usb_request *req, uint8_t p0,
- uint8_t p1, uint8_t p2, uint8_t p3)
-{
- unsigned length = req->length;
- u8 *buf = (u8 *)req->buf + length;
-
- buf[0] = p0;
- buf[1] = p1;
- buf[2] = p2;
- buf[3] = p3;
- req->length = length + 4;
-}
-
-/*
- * Converts MIDI commands to USB MIDI packets.
- */
-static void gmidi_transmit_byte(struct usb_request *req,
- struct gmidi_in_port *port, uint8_t b)
-{
- uint8_t p0 = port->cable;
-
- if (b >= 0xf8) {
- gmidi_transmit_packet(req, p0 | 0x0f, b, 0, 0);
- } else if (b >= 0xf0) {
- switch (b) {
- case 0xf0:
- port->data[0] = b;
- port->state = STATE_SYSEX_1;
- break;
- case 0xf1:
- case 0xf3:
- port->data[0] = b;
- port->state = STATE_1PARAM;
- break;
- case 0xf2:
- port->data[0] = b;
- port->state = STATE_2PARAM_1;
- break;
- case 0xf4:
- case 0xf5:
- port->state = STATE_UNKNOWN;
- break;
- case 0xf6:
- gmidi_transmit_packet(req, p0 | 0x05, 0xf6, 0, 0);
- port->state = STATE_UNKNOWN;
- break;
- case 0xf7:
- switch (port->state) {
- case STATE_SYSEX_0:
- gmidi_transmit_packet(req,
- p0 | 0x05, 0xf7, 0, 0);
- break;
- case STATE_SYSEX_1:
- gmidi_transmit_packet(req,
- p0 | 0x06, port->data[0], 0xf7, 0);
- break;
- case STATE_SYSEX_2:
- gmidi_transmit_packet(req,
- p0 | 0x07, port->data[0],
- port->data[1], 0xf7);
- break;
- }
- port->state = STATE_UNKNOWN;
- break;
- }
- } else if (b >= 0x80) {
- port->data[0] = b;
- if (b >= 0xc0 && b <= 0xdf)
- port->state = STATE_1PARAM;
- else
- port->state = STATE_2PARAM_1;
- } else { /* b < 0x80 */
- switch (port->state) {
- case STATE_1PARAM:
- if (port->data[0] < 0xf0) {
- p0 |= port->data[0] >> 4;
- } else {
- p0 |= 0x02;
- port->state = STATE_UNKNOWN;
- }
- gmidi_transmit_packet(req, p0, port->data[0], b, 0);
- break;
- case STATE_2PARAM_1:
- port->data[1] = b;
- port->state = STATE_2PARAM_2;
- break;
- case STATE_2PARAM_2:
- if (port->data[0] < 0xf0) {
- p0 |= port->data[0] >> 4;
- port->state = STATE_2PARAM_1;
- } else {
- p0 |= 0x03;
- port->state = STATE_UNKNOWN;
- }
- gmidi_transmit_packet(req,
- p0, port->data[0], port->data[1], b);
- break;
- case STATE_SYSEX_0:
- port->data[0] = b;
- port->state = STATE_SYSEX_1;
- break;
- case STATE_SYSEX_1:
- port->data[1] = b;
- port->state = STATE_SYSEX_2;
- break;
- case STATE_SYSEX_2:
- gmidi_transmit_packet(req,
- p0 | 0x04, port->data[0], port->data[1], b);
- port->state = STATE_SYSEX_0;
- break;
- }
- }
-}
-
-static void gmidi_transmit(struct gmidi_device *dev, struct usb_request *req)
-{
- struct usb_ep *ep = dev->in_ep;
- struct gmidi_in_port *port = &dev->in_port;
-
- if (!ep) {
- return;
- }
- if (!req) {
- req = alloc_ep_req(ep, buflen);
- }
- if (!req) {
- ERROR(dev, "gmidi_transmit: alloc_ep_request failed\n");
- return;
- }
- req->length = 0;
- req->complete = gmidi_complete;
-
- if (port->active) {
- while (req->length + 3 < buflen) {
- uint8_t b;
- if (snd_rawmidi_transmit(dev->in_substream, &b, 1)
- != 1)
- {
- port->active = 0;
- break;
- }
- gmidi_transmit_byte(req, port, b);
- }
- }
- if (req->length > 0) {
- usb_ep_queue(ep, req, GFP_ATOMIC);
- } else {
- free_ep_req(ep, req);
- }
-}
-
-static void gmidi_in_tasklet(unsigned long data)
-{
- struct gmidi_device *dev = (struct gmidi_device *)data;
-
- gmidi_transmit(dev, NULL);
-}
-
-static int gmidi_in_open(struct snd_rawmidi_substream *substream)
-{
- struct gmidi_device *dev = substream->rmidi->private_data;
-
- VDBG(dev, "gmidi_in_open\n");
- dev->in_substream = substream;
- dev->in_port.state = STATE_UNKNOWN;
- return 0;
-}
-
-static int gmidi_in_close(struct snd_rawmidi_substream *substream)
-{
- struct gmidi_device *dev = substream->rmidi->private_data;
-
- VDBG(dev, "gmidi_in_close\n");
- return 0;
-}
-
-static void gmidi_in_trigger(struct snd_rawmidi_substream *substream, int up)
-{
- struct gmidi_device *dev = substream->rmidi->private_data;
-
- VDBG(dev, "gmidi_in_trigger %d\n", up);
- dev->in_port.active = up;
- if (up) {
- tasklet_hi_schedule(&dev->tasklet);
- }
-}
-
-static int gmidi_out_open(struct snd_rawmidi_substream *substream)
-{
- struct gmidi_device *dev = substream->rmidi->private_data;
-
- VDBG(dev, "gmidi_out_open\n");
- dev->out_substream = substream;
- return 0;
-}
-
-static int gmidi_out_close(struct snd_rawmidi_substream *substream)
-{
- struct gmidi_device *dev = substream->rmidi->private_data;
-
- VDBG(dev, "gmidi_out_close\n");
- return 0;
-}
-
-static void gmidi_out_trigger(struct snd_rawmidi_substream *substream, int up)
-{
- struct gmidi_device *dev = substream->rmidi->private_data;
-
- VDBG(dev, "gmidi_out_trigger %d\n", up);
- if (up) {
- set_bit(substream->number, &dev->out_triggered);
- } else {
- clear_bit(substream->number, &dev->out_triggered);
- }
-}
-
-static struct snd_rawmidi_ops gmidi_in_ops = {
- .open = gmidi_in_open,
- .close = gmidi_in_close,
- .trigger = gmidi_in_trigger,
+static struct usb_configuration midi_config = {
+ .label = "MIDI Gadget",
+ .bConfigurationValue = 1,
+ /* .iConfiguration = DYNAMIC */
+ .bmAttributes = USB_CONFIG_ATT_ONE,
+ .bMaxPower = CONFIG_USB_GADGET_VBUS_DRAW / 2,
};
-static struct snd_rawmidi_ops gmidi_out_ops = {
- .open = gmidi_out_open,
- .close = gmidi_out_close,
- .trigger = gmidi_out_trigger
-};
-
-/* register as a sound "card" */
-static int gmidi_register_card(struct gmidi_device *dev)
+static int __init midi_bind_config(struct usb_configuration *c)
{
- struct snd_card *card;
- struct snd_rawmidi *rmidi;
- int err;
- int out_ports = 1;
- int in_ports = 1;
- static struct snd_device_ops ops = {
- .dev_free = gmidi_snd_free,
- };
-
- err = snd_card_create(index, id, THIS_MODULE, 0, &card);
- if (err < 0) {
- ERROR(dev, "snd_card_create failed\n");
- goto fail;
- }
- dev->card = card;
-
- err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, dev, &ops);
- if (err < 0) {
- ERROR(dev, "snd_device_new failed: error %d\n", err);
- goto fail;
- }
-
- strcpy(card->driver, longname);
- strcpy(card->longname, longname);
- strcpy(card->shortname, shortname);
-
- /* Set up rawmidi */
- dev->in_port.dev = dev;
- dev->in_port.active = 0;
- snd_component_add(card, "MIDI");
- err = snd_rawmidi_new(card, "USB MIDI Gadget", 0,
- out_ports, in_ports, &rmidi);
- if (err < 0) {
- ERROR(dev, "snd_rawmidi_new failed: error %d\n", err);
- goto fail;
- }
- dev->rmidi = rmidi;
- strcpy(rmidi->name, card->shortname);
- rmidi->info_flags = SNDRV_RAWMIDI_INFO_OUTPUT |
- SNDRV_RAWMIDI_INFO_INPUT |
- SNDRV_RAWMIDI_INFO_DUPLEX;
- rmidi->private_data = dev;
-
- /* Yes, rawmidi OUTPUT = USB IN, and rawmidi INPUT = USB OUT.
- It's an upside-down world being a gadget. */
- snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &gmidi_in_ops);
- snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &gmidi_out_ops);
-
- snd_card_set_dev(card, &dev->gadget->dev);
-
- /* register it - we're ready to go */
- err = snd_card_register(card);
- if (err < 0) {
- ERROR(dev, "snd_card_register failed\n");
- goto fail;
- }
-
- VDBG(dev, "gmidi_register_card finished ok\n");
- return 0;
-
-fail:
- if (dev->card) {
- snd_card_free(dev->card);
- dev->card = NULL;
- }
- return err;
+ return f_midi_bind_config(c, index, id,
+ in_ports, out_ports,
+ buflen, qlen);
}
-/*
- * Creates an output endpoint, and initializes output ports.
- */
-static int __init gmidi_bind(struct usb_gadget *gadget)
+static int __init midi_bind(struct usb_composite_dev *cdev)
{
- struct gmidi_device *dev;
- struct usb_ep *in_ep, *out_ep;
- int gcnum, err = 0;
+ struct usb_gadget *gadget = cdev->gadget;
+ int gcnum, status;
- /* support optional vendor/distro customization */
- if (idVendor) {
- if (!idProduct) {
- pr_err("idVendor needs idProduct!\n");
- return -ENODEV;
- }
- device_desc.idVendor = cpu_to_le16(idVendor);
- device_desc.idProduct = cpu_to_le16(idProduct);
- if (bcdDevice) {
- device_desc.bcdDevice = cpu_to_le16(bcdDevice);
- }
- }
- if (iManufacturer) {
- strlcpy(manufacturer, iManufacturer, sizeof(manufacturer));
- } else {
- snprintf(manufacturer, sizeof(manufacturer), "%s %s with %s",
- init_utsname()->sysname, init_utsname()->release,
- gadget->name);
- }
- if (iProduct) {
- strlcpy(product_desc, iProduct, sizeof(product_desc));
- }
- if (iSerialNumber) {
- device_desc.iSerialNumber = STRING_SERIAL,
- strlcpy(serial_number, iSerialNumber, sizeof(serial_number));
- }
+ status = usb_string_id(cdev);
+ if (status < 0)
+ return status;
+ strings_dev[STRING_MANUFACTURER_IDX].id = status;
+ device_desc.iManufacturer = status;
- /* Bulk-only drivers like this one SHOULD be able to
- * autoconfigure on any sane usb controller driver,
- * but there may also be important quirks to address.
- */
- usb_ep_autoconfig_reset(gadget);
- in_ep = usb_ep_autoconfig(gadget, &bulk_in_desc);
- if (!in_ep) {
-autoconf_fail:
- pr_err("%s: can't autoconfigure on %s\n",
- shortname, gadget->name);
- return -ENODEV;
- }
- EP_IN_NAME = in_ep->name;
- in_ep->driver_data = in_ep; /* claim */
+ status = usb_string_id(cdev);
+ if (status < 0)
+ return status;
+ strings_dev[STRING_PRODUCT_IDX].id = status;
+ device_desc.iProduct = status;
- out_ep = usb_ep_autoconfig(gadget, &bulk_out_desc);
- if (!out_ep) {
- goto autoconf_fail;
- }
- EP_OUT_NAME = out_ep->name;
- out_ep->driver_data = out_ep; /* claim */
+ /* config description */
+ status = usb_string_id(cdev);
+ if (status < 0)
+ return status;
+ strings_dev[STRING_DESCRIPTION_IDX].id = status;
+
+ midi_config.iConfiguration = status;
gcnum = usb_gadget_controller_number(gadget);
- if (gcnum >= 0) {
- device_desc.bcdDevice = cpu_to_le16(0x0200 + gcnum);
- } else {
+ if (gcnum < 0) {
/* gmidi is so simple (no altsettings) that
* it SHOULD NOT have problems with bulk-capable hardware.
* so warn about unrecognized controllers, don't panic.
*/
pr_warning("%s: controller '%s' not recognized\n",
- shortname, gadget->name);
+ __func__, gadget->name);
device_desc.bcdDevice = cpu_to_le16(0x9999);
+ } else {
+ device_desc.bcdDevice = cpu_to_le16(0x0200 + gcnum);
}
+ status = usb_add_config(cdev, &midi_config, midi_bind_config);
+ if (status < 0)
+ return status;
- /* ok, we made sense of the hardware ... */
- dev = kzalloc(sizeof(*dev), GFP_KERNEL);
- if (!dev) {
- return -ENOMEM;
- }
- spin_lock_init(&dev->lock);
- dev->gadget = gadget;
- dev->in_ep = in_ep;
- dev->out_ep = out_ep;
- set_gadget_data(gadget, dev);
- tasklet_init(&dev->tasklet, gmidi_in_tasklet, (unsigned long)dev);
-
- /* preallocate control response and buffer */
- dev->req = alloc_ep_req(gadget->ep0, USB_BUFSIZ);
- if (!dev->req) {
- err = -ENOMEM;
- goto fail;
- }
-
- dev->req->complete = gmidi_setup_complete;
-
- gadget->ep0->driver_data = dev;
-
- INFO(dev, "%s, version: " DRIVER_VERSION "\n", longname);
- INFO(dev, "using %s, OUT %s IN %s\n", gadget->name,
- EP_OUT_NAME, EP_IN_NAME);
-
- /* register as an ALSA sound card */
- err = gmidi_register_card(dev);
- if (err < 0) {
- goto fail;
- }
-
- VDBG(dev, "gmidi_bind finished ok\n");
+ pr_info("%s\n", longname);
return 0;
-
-fail:
- gmidi_unbind(gadget);
- return err;
-}
-
-
-static void gmidi_suspend(struct usb_gadget *gadget)
-{
- struct gmidi_device *dev = get_gadget_data(gadget);
-
- if (gadget->speed == USB_SPEED_UNKNOWN) {
- return;
- }
-
- DBG(dev, "suspend\n");
-}
-
-static void gmidi_resume(struct usb_gadget *gadget)
-{
- struct gmidi_device *dev = get_gadget_data(gadget);
-
- DBG(dev, "resume\n");
}
-
-static struct usb_gadget_driver gmidi_driver = {
- .speed = USB_SPEED_FULL,
- .function = (char *)longname,
- .unbind = gmidi_unbind,
-
- .setup = gmidi_setup,
- .disconnect = gmidi_disconnect,
-
- .suspend = gmidi_suspend,
- .resume = gmidi_resume,
-
- .driver = {
- .name = (char *)shortname,
- .owner = THIS_MODULE,
- },
+static struct usb_composite_driver midi_driver = {
+ .name = (char *) longname,
+ .dev = &device_desc,
+ .strings = dev_strings,
+ .max_speed = USB_SPEED_HIGH,
+ .unbind = __exit_p(midi_unbind),
};
-static int __init gmidi_init(void)
+static int __init midi_init(void)
{
- return usb_gadget_probe_driver(&gmidi_driver, gmidi_bind);
+ return usb_composite_probe(&midi_driver, midi_bind);
}
-module_init(gmidi_init);
+module_init(midi_init);
-static void __exit gmidi_cleanup(void)
+static void __exit midi_cleanup(void)
{
- usb_gadget_unregister_driver(&gmidi_driver);
+ usb_composite_unregister(&midi_driver);
}
-module_exit(gmidi_cleanup);
+module_exit(midi_cleanup);
diff --git a/drivers/usb/gadget/hid.c b/drivers/usb/gadget/hid.c
index 9fb575034a0e..f888c3ede860 100644
--- a/drivers/usb/gadget/hid.c
+++ b/drivers/usb/gadget/hid.c
@@ -9,15 +9,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
diff --git a/drivers/usb/gadget/imx_udc.c b/drivers/usb/gadget/imx_udc.c
index 692fd9b2248b..2d978c0e7ced 100644
--- a/drivers/usb/gadget/imx_udc.c
+++ b/drivers/usb/gadget/imx_udc.c
@@ -689,7 +689,7 @@ static int imx_ep_enable(struct usb_ep *usb_ep,
return -EINVAL;
}
- if (imx_ep->fifosize < le16_to_cpu(desc->wMaxPacketSize)) {
+ if (imx_ep->fifosize < usb_endpoint_maxp(desc)) {
D_ERR(imx_usb->dev,
"<%s> bad %s maxpacket\n", __func__, usb_ep->name);
return -ERANGE;
@@ -1478,7 +1478,7 @@ static int __init imx_udc_probe(struct platform_device *pdev)
for (i = 0; i < IMX_USB_NB_EP + 1; i++) {
ret = request_irq(imx_usb->usbd_int[i], intr_handler(i),
- IRQF_DISABLED, driver_name, imx_usb);
+ 0, driver_name, imx_usb);
if (ret) {
dev_err(&pdev->dev, "can't get irq %i, err %d\n",
imx_usb->usbd_int[i], ret);
diff --git a/drivers/usb/gadget/imx_udc.h b/drivers/usb/gadget/imx_udc.h
index 7136c242b4ec..d118fb777840 100644
--- a/drivers/usb/gadget/imx_udc.h
+++ b/drivers/usb/gadget/imx_udc.h
@@ -8,11 +8,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#ifndef __LINUX_USB_GADGET_IMX_H
diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c
index 1b240990448f..a392ec0d2d51 100644
--- a/drivers/usb/gadget/inode.c
+++ b/drivers/usb/gadget/inode.c
@@ -8,15 +8,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
diff --git a/drivers/usb/gadget/langwell_udc.c b/drivers/usb/gadget/langwell_udc.c
index ff4d40d77c30..c9fa3bf5b377 100644
--- a/drivers/usb/gadget/langwell_udc.c
+++ b/drivers/usb/gadget/langwell_udc.c
@@ -5,16 +5,6 @@
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
*/
@@ -60,9 +50,6 @@ static const char driver_name[] = "langwell_udc";
static const char driver_desc[] = DRIVER_DESC;
-/* controller device global variable */
-static struct langwell_udc *the_controller;
-
/* for endpoint 0 operations */
static const struct usb_endpoint_descriptor
langwell_ep0_desc = {
@@ -283,7 +270,7 @@ static int langwell_ep_enable(struct usb_ep *_ep,
if (!dev->driver || dev->gadget.speed == USB_SPEED_UNKNOWN)
return -ESHUTDOWN;
- max = le16_to_cpu(desc->wMaxPacketSize);
+ max = usb_endpoint_maxp(desc);
/*
* disable HW zero length termination select
@@ -1321,9 +1308,12 @@ static int langwell_pullup(struct usb_gadget *_gadget, int is_on)
return 0;
}
-static int langwell_start(struct usb_gadget_driver *driver,
- int (*bind)(struct usb_gadget *));
-static int langwell_stop(struct usb_gadget_driver *driver);
+static int langwell_start(struct usb_gadget *g,
+ struct usb_gadget_driver *driver);
+
+static int langwell_stop(struct usb_gadget *g,
+ struct usb_gadget_driver *driver);
+
/* device controller usb_gadget_ops structure */
static const struct usb_gadget_ops langwell_ops = {
@@ -1345,8 +1335,8 @@ static const struct usb_gadget_ops langwell_ops = {
/* D+ pullup, software-controlled connect/disconnect to USB host */
.pullup = langwell_pullup,
- .start = langwell_start,
- .stop = langwell_stop,
+ .udc_start = langwell_start,
+ .udc_stop = langwell_stop,
};
@@ -1561,7 +1551,7 @@ static void stop_activity(struct langwell_udc *dev,
static ssize_t show_function(struct device *_dev,
struct device_attribute *attr, char *buf)
{
- struct langwell_udc *dev = the_controller;
+ struct langwell_udc *dev = dev_get_drvdata(_dev);
if (!dev->driver || !dev->driver->function
|| strlen(dev->driver->function) > PAGE_SIZE)
@@ -1572,11 +1562,25 @@ static ssize_t show_function(struct device *_dev,
static DEVICE_ATTR(function, S_IRUGO, show_function, NULL);
+static inline enum usb_device_speed lpm_device_speed(u32 reg)
+{
+ switch (LPM_PSPD(reg)) {
+ case LPM_SPEED_HIGH:
+ return USB_SPEED_HIGH;
+ case LPM_SPEED_FULL:
+ return USB_SPEED_FULL;
+ case LPM_SPEED_LOW:
+ return USB_SPEED_LOW;
+ default:
+ return USB_SPEED_UNKNOWN;
+ }
+}
+
/* device "langwell_udc" sysfs attribute file */
static ssize_t show_langwell_udc(struct device *_dev,
struct device_attribute *attr, char *buf)
{
- struct langwell_udc *dev = the_controller;
+ struct langwell_udc *dev = dev_get_drvdata(_dev);
struct langwell_request *req;
struct langwell_ep *ep = NULL;
char *next;
@@ -1700,20 +1704,7 @@ static ssize_t show_langwell_udc(struct device *_dev,
"BmAttributes: %d\n\n",
LPM_PTS(tmp_reg),
(tmp_reg & LPM_STS) ? 1 : 0,
- ({
- char *s;
- switch (LPM_PSPD(tmp_reg)) {
- case LPM_SPEED_FULL:
- s = "Full Speed"; break;
- case LPM_SPEED_LOW:
- s = "Low Speed"; break;
- case LPM_SPEED_HIGH:
- s = "High Speed"; break;
- default:
- s = "Unknown Speed"; break;
- }
- s;
- }),
+ usb_speed_string(lpm_device_speed(tmp_reg)),
(tmp_reg & LPM_PFSC) ? "Force Full Speed" : "Not Force",
(tmp_reg & LPM_PHCD) ? "Disabled" : "Enabled",
LPM_BA(tmp_reg));
@@ -1821,7 +1812,7 @@ static DEVICE_ATTR(langwell_udc, S_IRUGO, show_langwell_udc, NULL);
static ssize_t store_remote_wakeup(struct device *_dev,
struct device_attribute *attr, const char *buf, size_t count)
{
- struct langwell_udc *dev = the_controller;
+ struct langwell_udc *dev = dev_get_drvdata(_dev);
unsigned long flags;
ssize_t rc = count;
@@ -1857,21 +1848,15 @@ static DEVICE_ATTR(remote_wakeup, S_IWUSR, NULL, store_remote_wakeup);
* the driver might get unbound.
*/
-static int langwell_start(struct usb_gadget_driver *driver,
- int (*bind)(struct usb_gadget *))
+static int langwell_start(struct usb_gadget *g,
+ struct usb_gadget_driver *driver)
{
- struct langwell_udc *dev = the_controller;
+ struct langwell_udc *dev = gadget_to_langwell(g);
unsigned long flags;
int retval;
- if (!dev)
- return -ENODEV;
-
dev_dbg(&dev->pdev->dev, "---> %s()\n", __func__);
- if (dev->driver)
- return -EBUSY;
-
spin_lock_irqsave(&dev->lock, flags);
/* hook up the driver ... */
@@ -1881,18 +1866,9 @@ static int langwell_start(struct usb_gadget_driver *driver,
spin_unlock_irqrestore(&dev->lock, flags);
- retval = bind(&dev->gadget);
- if (retval) {
- dev_dbg(&dev->pdev->dev, "bind to driver %s --> %d\n",
- driver->driver.name, retval);
- dev->driver = NULL;
- dev->gadget.dev.driver = NULL;
- return retval;
- }
-
retval = device_create_file(&dev->pdev->dev, &dev_attr_function);
if (retval)
- goto err_unbind;
+ goto err;
dev->usb_state = USB_STATE_ATTACHED;
dev->ep0_state = WAIT_FOR_SETUP;
@@ -1909,31 +1885,27 @@ static int langwell_start(struct usb_gadget_driver *driver,
dev_info(&dev->pdev->dev, "register driver: %s\n",
driver->driver.name);
dev_dbg(&dev->pdev->dev, "<--- %s()\n", __func__);
+
return 0;
-err_unbind:
- driver->unbind(&dev->gadget);
+err:
dev->gadget.dev.driver = NULL;
dev->driver = NULL;
dev_dbg(&dev->pdev->dev, "<--- %s()\n", __func__);
+
return retval;
}
/* unregister gadget driver */
-static int langwell_stop(struct usb_gadget_driver *driver)
+static int langwell_stop(struct usb_gadget *g,
+ struct usb_gadget_driver *driver)
{
- struct langwell_udc *dev = the_controller;
+ struct langwell_udc *dev = gadget_to_langwell(g);
unsigned long flags;
- if (!dev)
- return -ENODEV;
-
dev_dbg(&dev->pdev->dev, "---> %s()\n", __func__);
- if (unlikely(!driver || !driver->unbind))
- return -EINVAL;
-
/* exit PHY low power suspend */
if (dev->pdev->device != 0x0829)
langwell_phy_low_power(dev, 0);
@@ -1956,8 +1928,6 @@ static int langwell_stop(struct usb_gadget_driver *driver)
stop_activity(dev, driver);
spin_unlock_irqrestore(&dev->lock, flags);
- /* unbind gadget driver */
- driver->unbind(&dev->gadget);
dev->gadget.dev.driver = NULL;
dev->driver = NULL;
@@ -1966,6 +1936,7 @@ static int langwell_stop(struct usb_gadget_driver *driver)
dev_info(&dev->pdev->dev, "unregistered driver '%s'\n",
driver->driver.name);
dev_dbg(&dev->pdev->dev, "<--- %s()\n", __func__);
+
return 0;
}
@@ -2657,12 +2628,10 @@ done:
dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__);
}
-
/* port change detect interrupt handler */
static void handle_port_change(struct langwell_udc *dev)
{
u32 portsc1, devlc;
- u32 speed;
dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__);
@@ -2677,24 +2646,9 @@ static void handle_port_change(struct langwell_udc *dev)
/* bus reset is finished */
if (!(portsc1 & PORTS_PR)) {
/* get the speed */
- speed = LPM_PSPD(devlc);
- switch (speed) {
- case LPM_SPEED_HIGH:
- dev->gadget.speed = USB_SPEED_HIGH;
- break;
- case LPM_SPEED_FULL:
- dev->gadget.speed = USB_SPEED_FULL;
- break;
- case LPM_SPEED_LOW:
- dev->gadget.speed = USB_SPEED_LOW;
- break;
- default:
- dev->gadget.speed = USB_SPEED_UNKNOWN;
- break;
- }
- dev_vdbg(&dev->pdev->dev,
- "speed = %d, dev->gadget.speed = %d\n",
- speed, dev->gadget.speed);
+ dev->gadget.speed = lpm_device_speed(devlc);
+ dev_vdbg(&dev->pdev->dev, "dev->gadget.speed = %d\n",
+ dev->gadget.speed);
}
/* LPM L0 to L1 */
@@ -2999,7 +2953,7 @@ static irqreturn_t langwell_irq(int irq, void *_dev)
/* release device structure */
static void gadget_release(struct device *_dev)
{
- struct langwell_udc *dev = the_controller;
+ struct langwell_udc *dev = dev_get_drvdata(_dev);
dev_dbg(&dev->pdev->dev, "---> %s()\n", __func__);
@@ -3057,7 +3011,7 @@ static void sram_deinit(struct langwell_udc *dev)
/* tear down the binding between this driver and the pci device */
static void langwell_udc_remove(struct pci_dev *pdev)
{
- struct langwell_udc *dev = the_controller;
+ struct langwell_udc *dev = pci_get_drvdata(pdev);
DECLARE_COMPLETION(done);
@@ -3124,8 +3078,6 @@ static void langwell_udc_remove(struct pci_dev *pdev)
/* free dev, wait for the release() finished */
wait_for_completion(&done);
-
- the_controller = NULL;
}
@@ -3144,11 +3096,6 @@ static int langwell_udc_probe(struct pci_dev *pdev,
size_t size;
int retval;
- if (the_controller) {
- dev_warn(&pdev->dev, "ignoring\n");
- return -EBUSY;
- }
-
/* alloc, and start init */
dev = kzalloc(sizeof *dev, GFP_KERNEL);
if (dev == NULL) {
@@ -3368,8 +3315,6 @@ static int langwell_udc_probe(struct pci_dev *pdev,
"After langwell_udc_probe(), print all registers:\n");
print_all_registers(dev);
- the_controller = dev;
-
retval = device_register(&dev->gadget.dev);
if (retval)
goto error;
@@ -3404,7 +3349,7 @@ error:
/* device controller suspend */
static int langwell_udc_suspend(struct pci_dev *pdev, pm_message_t state)
{
- struct langwell_udc *dev = the_controller;
+ struct langwell_udc *dev = pci_get_drvdata(pdev);
dev_dbg(&dev->pdev->dev, "---> %s()\n", __func__);
@@ -3452,7 +3397,7 @@ static int langwell_udc_suspend(struct pci_dev *pdev, pm_message_t state)
/* device controller resume */
static int langwell_udc_resume(struct pci_dev *pdev)
{
- struct langwell_udc *dev = the_controller;
+ struct langwell_udc *dev = pci_get_drvdata(pdev);
size_t size;
dev_dbg(&dev->pdev->dev, "---> %s()\n", __func__);
@@ -3534,7 +3479,7 @@ static int langwell_udc_resume(struct pci_dev *pdev)
/* pci driver shutdown */
static void langwell_udc_shutdown(struct pci_dev *pdev)
{
- struct langwell_udc *dev = the_controller;
+ struct langwell_udc *dev = pci_get_drvdata(pdev);
u32 usbmode;
dev_dbg(&dev->pdev->dev, "---> %s()\n", __func__);
diff --git a/drivers/usb/gadget/langwell_udc.h b/drivers/usb/gadget/langwell_udc.h
index f1d9c1bb04f3..ef79e242b7b0 100644
--- a/drivers/usb/gadget/langwell_udc.h
+++ b/drivers/usb/gadget/langwell_udc.h
@@ -5,16 +5,6 @@
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
*/
#include <linux/usb/langwell_udc.h>
@@ -231,3 +221,5 @@ struct langwell_udc {
u16 dev_status;
};
+#define gadget_to_langwell(g) container_of((g), struct langwell_udc, gadget)
+
diff --git a/drivers/usb/gadget/m66592-udc.c b/drivers/usb/gadget/m66592-udc.c
index 491f825ed5c9..91d0af2a24a8 100644
--- a/drivers/usb/gadget/m66592-udc.c
+++ b/drivers/usb/gadget/m66592-udc.c
@@ -8,16 +8,6 @@
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- *
*/
#include <linux/module.h>
@@ -370,7 +360,7 @@ static void m66592_ep_setting(struct m66592 *m66592, struct m66592_ep *ep,
ep->pipectr = get_pipectr_addr(pipenum);
ep->pipenum = pipenum;
- ep->ep.maxpacket = le16_to_cpu(desc->wMaxPacketSize);
+ ep->ep.maxpacket = usb_endpoint_maxp(desc);
m66592->pipenum2ep[pipenum] = ep;
m66592->epaddr2ep[desc->bEndpointAddress&USB_ENDPOINT_NUMBER_MASK] = ep;
INIT_LIST_HEAD(&ep->queue);
@@ -447,7 +437,7 @@ static int alloc_pipe_config(struct m66592_ep *ep,
ep->type = info.type;
info.epnum = desc->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
- info.maxpacket = le16_to_cpu(desc->wMaxPacketSize);
+ info.maxpacket = usb_endpoint_maxp(desc);
info.interval = desc->bInterval;
if (desc->bEndpointAddress & USB_ENDPOINT_DIR_MASK)
info.dir_in = 1;
@@ -1674,7 +1664,7 @@ static int __init m66592_probe(struct platform_device *pdev)
m66592->timer.data = (unsigned long)m66592;
m66592->reg = reg;
- ret = request_irq(ires->start, m66592_irq, IRQF_DISABLED | IRQF_SHARED,
+ ret = request_irq(ires->start, m66592_irq, IRQF_SHARED,
udc_name, m66592);
if (ret < 0) {
pr_err("request_irq error (%d)\n", ret);
diff --git a/drivers/usb/gadget/m66592-udc.h b/drivers/usb/gadget/m66592-udc.h
index 7b93d579af37..9d9f7e39f037 100644
--- a/drivers/usb/gadget/m66592-udc.h
+++ b/drivers/usb/gadget/m66592-udc.h
@@ -8,16 +8,6 @@
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- *
*/
#ifndef __M66592_UDC_H__
diff --git a/drivers/usb/gadget/mass_storage.c b/drivers/usb/gadget/mass_storage.c
index d3eb27427c58..e24f72f82a47 100644
--- a/drivers/usb/gadget/mass_storage.c
+++ b/drivers/usb/gadget/mass_storage.c
@@ -10,15 +10,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
@@ -169,7 +160,7 @@ static struct usb_composite_driver msg_driver = {
.name = "g_mass_storage",
.dev = &msg_device_desc,
.iProduct = DRIVER_DESC,
- .max_speed = USB_SPEED_HIGH,
+ .max_speed = USB_SPEED_SUPER,
.needs_serial = 1,
};
diff --git a/drivers/usb/gadget/multi.c b/drivers/usb/gadget/multi.c
index 8c7b74717d85..7e7f515b8b19 100644
--- a/drivers/usb/gadget/multi.c
+++ b/drivers/usb/gadget/multi.c
@@ -10,15 +10,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
diff --git a/drivers/usb/gadget/mv_udc.h b/drivers/usb/gadget/mv_udc.h
index 65f1f7c3bd4e..daa75c12f336 100644
--- a/drivers/usb/gadget/mv_udc.h
+++ b/drivers/usb/gadget/mv_udc.h
@@ -1,3 +1,11 @@
+/*
+ * Copyright (C) 2011 Marvell International Ltd. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
#ifndef __MV_UDC_H
#define __MV_UDC_H
@@ -194,14 +202,25 @@ struct mv_udc {
unsigned int ep0_dir;
unsigned int dev_addr;
+ unsigned int test_mode;
int errors;
unsigned softconnect:1,
vbus_active:1,
remote_wakeup:1,
softconnected:1,
- force_fs:1;
- struct clk *clk;
+ force_fs:1,
+ clock_gating:1,
+ active:1;
+
+ struct work_struct vbus_work;
+ struct workqueue_struct *qwork;
+
+ struct mv_usb_platform_data *pdata;
+
+ /* some SOC has mutiple clock sources for USB*/
+ unsigned int clknum;
+ struct clk *clk[0];
};
/* endpoint data structure */
@@ -225,6 +244,7 @@ struct mv_req {
struct mv_dtd *dtd, *head, *tail;
struct mv_ep *ep;
struct list_head queue;
+ unsigned int test_mode;
unsigned dtd_count;
unsigned mapped:1;
};
@@ -289,6 +309,4 @@ struct mv_dtd {
struct mv_dtd *next_dtd_virt;
};
-extern int mv_udc_phy_init(unsigned int base);
-
#endif
diff --git a/drivers/usb/gadget/mv_udc_core.c b/drivers/usb/gadget/mv_udc_core.c
index 0b3b8d0462db..892412103dd8 100644
--- a/drivers/usb/gadget/mv_udc_core.c
+++ b/drivers/usb/gadget/mv_udc_core.c
@@ -1,3 +1,14 @@
+/*
+ * Copyright (C) 2011 Marvell International Ltd. All rights reserved.
+ * Author: Chao Xie <chao.xie@marvell.com>
+ * Neil Zhang <zhangwm@marvell.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/dma-mapping.h>
@@ -22,6 +33,7 @@
#include <linux/irq.h>
#include <linux/platform_device.h>
#include <linux/clk.h>
+#include <linux/platform_data/mv_usb.h>
#include <asm/system.h>
#include <asm/unaligned.h>
@@ -45,6 +57,8 @@
#define LOOPS_USEC (1 << LOOPS_USEC_SHIFT)
#define LOOPS(timeout) ((timeout) >> LOOPS_USEC_SHIFT)
+static DECLARE_COMPLETION(release_done);
+
static const char driver_name[] = "mv_udc";
static const char driver_desc[] = DRIVER_DESC;
@@ -53,6 +67,7 @@ static struct mv_udc *the_controller;
int mv_usb_otgsc;
static void nuke(struct mv_ep *ep, int status);
+static void stop_activity(struct mv_udc *udc, struct usb_gadget_driver *driver);
/* for endpoint 0 operations */
static const struct usb_endpoint_descriptor mv_ep0_desc = {
@@ -82,14 +97,16 @@ static void ep0_reset(struct mv_udc *udc)
(EP0_MAX_PKT_SIZE << EP_QUEUE_HEAD_MAX_PKT_LEN_POS)
| EP_QUEUE_HEAD_IOS;
+ ep->dqh->next_dtd_ptr = EP_QUEUE_HEAD_NEXT_TERMINATE;
+
epctrlx = readl(&udc->op_regs->epctrlx[0]);
if (i) { /* TX */
- epctrlx |= EPCTRL_TX_ENABLE | EPCTRL_TX_DATA_TOGGLE_RST
+ epctrlx |= EPCTRL_TX_ENABLE
| (USB_ENDPOINT_XFER_CONTROL
<< EPCTRL_TX_EP_TYPE_SHIFT);
} else { /* RX */
- epctrlx |= EPCTRL_RX_ENABLE | EPCTRL_RX_DATA_TOGGLE_RST
+ epctrlx |= EPCTRL_RX_ENABLE
| (USB_ENDPOINT_XFER_CONTROL
<< EPCTRL_RX_EP_TYPE_SHIFT);
}
@@ -122,6 +139,7 @@ static int process_ep_req(struct mv_udc *udc, int index,
int i, direction;
int retval = 0;
u32 errors;
+ u32 bit_pos;
curr_dqh = &udc->ep_dqh[index];
direction = index % 2;
@@ -139,10 +157,20 @@ static int process_ep_req(struct mv_udc *udc, int index,
errors = curr_dtd->size_ioc_sts & DTD_ERROR_MASK;
if (!errors) {
- remaining_length +=
+ remaining_length =
(curr_dtd->size_ioc_sts & DTD_PACKET_SIZE)
>> DTD_LENGTH_BIT_POS;
actual -= remaining_length;
+
+ if (remaining_length) {
+ if (direction) {
+ dev_dbg(&udc->dev->dev,
+ "TX dTD remains data\n");
+ retval = -EPROTO;
+ break;
+ } else
+ break;
+ }
} else {
dev_info(&udc->dev->dev,
"complete_tr error: ep=%d %s: error = 0x%x\n",
@@ -164,6 +192,20 @@ static int process_ep_req(struct mv_udc *udc, int index,
if (retval)
return retval;
+ if (direction == EP_DIR_OUT)
+ bit_pos = 1 << curr_req->ep->ep_num;
+ else
+ bit_pos = 1 << (16 + curr_req->ep->ep_num);
+
+ while ((curr_dqh->curr_dtd_ptr == curr_dtd->td_dma)) {
+ if (curr_dtd->dtd_next == EP_QUEUE_HEAD_NEXT_TERMINATE) {
+ while (readl(&udc->op_regs->epstatus) & bit_pos)
+ udelay(1);
+ break;
+ }
+ udelay(1);
+ }
+
curr_req->req.actual = actual;
return 0;
@@ -481,6 +523,7 @@ static int mv_ep_enable(struct usb_ep *_ep,
u16 max = 0;
u32 bit_pos, epctrlx, direction;
unsigned char zlt = 0, ios = 0, mult = 0;
+ unsigned long flags;
ep = container_of(_ep, struct mv_ep, ep);
udc = ep->udc;
@@ -493,7 +536,7 @@ static int mv_ep_enable(struct usb_ep *_ep,
return -ESHUTDOWN;
direction = ep_dir(ep);
- max = le16_to_cpu(desc->wMaxPacketSize);
+ max = usb_endpoint_maxp(desc);
/*
* disable HW zero length termination select
@@ -501,9 +544,6 @@ static int mv_ep_enable(struct usb_ep *_ep,
*/
zlt = 1;
- /* Get the endpoint queue head address */
- dqh = (struct mv_dqh *)ep->dqh;
-
bit_pos = 1 << ((direction == EP_DIR_OUT ? 0 : 16) + ep->ep_num);
/* Check if the Endpoint is Primed */
@@ -532,7 +572,7 @@ static int mv_ep_enable(struct usb_ep *_ep,
case USB_ENDPOINT_XFER_ISOC:
/* Calculate transactions needed for high bandwidth iso */
mult = (unsigned char)(1 + ((max >> 11) & 0x03));
- max = max & 0x8ff; /* bit 0~10 */
+ max = max & 0x7ff; /* bit 0~10 */
/* 3 transactions at most */
if (mult > 3)
goto en_done;
@@ -540,6 +580,10 @@ static int mv_ep_enable(struct usb_ep *_ep,
default:
goto en_done;
}
+
+ spin_lock_irqsave(&udc->lock, flags);
+ /* Get the endpoint queue head address */
+ dqh = ep->dqh;
dqh->max_packet_length = (max << EP_QUEUE_HEAD_MAX_PKT_LEN_POS)
| (mult << EP_QUEUE_HEAD_MULT_POS)
| (zlt ? EP_QUEUE_HEAD_ZLT_SEL : 0)
@@ -572,18 +616,20 @@ static int mv_ep_enable(struct usb_ep *_ep,
*/
epctrlx = readl(&udc->op_regs->epctrlx[ep->ep_num]);
if ((epctrlx & EPCTRL_RX_ENABLE) == 0) {
- epctrlx |= ((desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK)
+ epctrlx |= (USB_ENDPOINT_XFER_BULK
<< EPCTRL_RX_EP_TYPE_SHIFT);
writel(epctrlx, &udc->op_regs->epctrlx[ep->ep_num]);
}
epctrlx = readl(&udc->op_regs->epctrlx[ep->ep_num]);
if ((epctrlx & EPCTRL_TX_ENABLE) == 0) {
- epctrlx |= ((desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK)
+ epctrlx |= (USB_ENDPOINT_XFER_BULK
<< EPCTRL_TX_EP_TYPE_SHIFT);
writel(epctrlx, &udc->op_regs->epctrlx[ep->ep_num]);
}
+ spin_unlock_irqrestore(&udc->lock, flags);
+
return 0;
en_done:
return -EINVAL;
@@ -595,6 +641,7 @@ static int mv_ep_disable(struct usb_ep *_ep)
struct mv_ep *ep;
struct mv_dqh *dqh;
u32 bit_pos, epctrlx, direction;
+ unsigned long flags;
ep = container_of(_ep, struct mv_ep, ep);
if ((_ep == NULL) || !ep->desc)
@@ -605,6 +652,8 @@ static int mv_ep_disable(struct usb_ep *_ep)
/* Get the endpoint queue head address */
dqh = ep->dqh;
+ spin_lock_irqsave(&udc->lock, flags);
+
direction = ep_dir(ep);
bit_pos = 1 << ((direction == EP_DIR_OUT ? 0 : 16) + ep->ep_num);
@@ -623,6 +672,9 @@ static int mv_ep_disable(struct usb_ep *_ep)
ep->desc = NULL;
ep->stopped = 1;
+
+ spin_unlock_irqrestore(&udc->lock, flags);
+
return 0;
}
@@ -655,37 +707,28 @@ static void mv_ep_fifo_flush(struct usb_ep *_ep)
{
struct mv_udc *udc;
u32 bit_pos, direction;
- struct mv_ep *ep = container_of(_ep, struct mv_ep, ep);
+ struct mv_ep *ep;
unsigned int loops;
+ if (!_ep)
+ return;
+
+ ep = container_of(_ep, struct mv_ep, ep);
+ if (!ep->desc)
+ return;
+
udc = ep->udc;
direction = ep_dir(ep);
- bit_pos = 1 << ((direction == EP_DIR_OUT ? 0 : 16) + ep->ep_num);
- /*
- * Flushing will halt the pipe
- * Write 1 to the Flush register
- */
- writel(bit_pos, &udc->op_regs->epflush);
- /* Wait until flushing completed */
- loops = LOOPS(FLUSH_TIMEOUT);
- while (readl(&udc->op_regs->epflush) & bit_pos) {
- /*
- * ENDPTFLUSH bit should be cleared to indicate this
- * operation is complete
- */
- if (loops == 0) {
- dev_err(&udc->dev->dev,
- "TIMEOUT for ENDPTFLUSH=0x%x, bit_pos=0x%x\n",
- (unsigned)readl(&udc->op_regs->epflush),
- (unsigned)bit_pos);
- return;
- }
- loops--;
- udelay(LOOPS_USEC);
- }
+ if (ep->ep_num == 0)
+ bit_pos = (1 << 16) | 1;
+ else if (direction == EP_DIR_OUT)
+ bit_pos = 1 << ep->ep_num;
+ else
+ bit_pos = 1 << (16 + ep->ep_num);
+
loops = LOOPS(EPSTATUS_TIMEOUT);
- while (readl(&udc->op_regs->epstatus) & bit_pos) {
+ do {
unsigned int inter_loops;
if (loops == 0) {
@@ -700,7 +743,7 @@ static void mv_ep_fifo_flush(struct usb_ep *_ep)
/* Wait until flushing completed */
inter_loops = LOOPS(FLUSH_TIMEOUT);
- while (readl(&udc->op_regs->epflush) & bit_pos) {
+ while (readl(&udc->op_regs->epflush)) {
/*
* ENDPTFLUSH bit should be cleared to indicate this
* operation is complete
@@ -717,7 +760,7 @@ static void mv_ep_fifo_flush(struct usb_ep *_ep)
udelay(LOOPS_USEC);
}
loops--;
- }
+ } while (readl(&udc->op_regs->epstatus) & bit_pos);
}
/* queues (submits) an I/O request to an endpoint */
@@ -987,6 +1030,22 @@ static struct usb_ep_ops mv_ep_ops = {
.fifo_flush = mv_ep_fifo_flush, /* flush fifo */
};
+static void udc_clock_enable(struct mv_udc *udc)
+{
+ unsigned int i;
+
+ for (i = 0; i < udc->clknum; i++)
+ clk_enable(udc->clk[i]);
+}
+
+static void udc_clock_disable(struct mv_udc *udc)
+{
+ unsigned int i;
+
+ for (i = 0; i < udc->clknum; i++)
+ clk_disable(udc->clk[i]);
+}
+
static void udc_stop(struct mv_udc *udc)
{
u32 tmp;
@@ -1075,6 +1134,40 @@ static int udc_reset(struct mv_udc *udc)
return 0;
}
+static int mv_udc_enable(struct mv_udc *udc)
+{
+ int retval;
+
+ if (udc->clock_gating == 0 || udc->active)
+ return 0;
+
+ dev_dbg(&udc->dev->dev, "enable udc\n");
+ udc_clock_enable(udc);
+ if (udc->pdata->phy_init) {
+ retval = udc->pdata->phy_init(udc->phy_regs);
+ if (retval) {
+ dev_err(&udc->dev->dev,
+ "init phy error %d\n", retval);
+ udc_clock_disable(udc);
+ return retval;
+ }
+ }
+ udc->active = 1;
+
+ return 0;
+}
+
+static void mv_udc_disable(struct mv_udc *udc)
+{
+ if (udc->clock_gating && udc->active) {
+ dev_dbg(&udc->dev->dev, "disable udc\n");
+ if (udc->pdata->phy_deinit)
+ udc->pdata->phy_deinit(udc->phy_regs);
+ udc_clock_disable(udc);
+ udc->active = 0;
+ }
+}
+
static int mv_udc_get_frame(struct usb_gadget *gadget)
{
struct mv_udc *udc;
@@ -1110,22 +1203,68 @@ static int mv_udc_wakeup(struct usb_gadget *gadget)
return 0;
}
+static int mv_udc_vbus_session(struct usb_gadget *gadget, int is_active)
+{
+ struct mv_udc *udc;
+ unsigned long flags;
+ int retval = 0;
+
+ udc = container_of(gadget, struct mv_udc, gadget);
+ spin_lock_irqsave(&udc->lock, flags);
+
+ dev_dbg(&udc->dev->dev, "%s: softconnect %d, vbus_active %d\n",
+ __func__, udc->softconnect, udc->vbus_active);
+
+ udc->vbus_active = (is_active != 0);
+ if (udc->driver && udc->softconnect && udc->vbus_active) {
+ retval = mv_udc_enable(udc);
+ if (retval == 0) {
+ /* Clock is disabled, need re-init registers */
+ udc_reset(udc);
+ ep0_reset(udc);
+ udc_start(udc);
+ }
+ } else if (udc->driver && udc->softconnect) {
+ /* stop all the transfer in queue*/
+ stop_activity(udc, udc->driver);
+ udc_stop(udc);
+ mv_udc_disable(udc);
+ }
+
+ spin_unlock_irqrestore(&udc->lock, flags);
+ return retval;
+}
+
static int mv_udc_pullup(struct usb_gadget *gadget, int is_on)
{
struct mv_udc *udc;
unsigned long flags;
+ int retval = 0;
udc = container_of(gadget, struct mv_udc, gadget);
spin_lock_irqsave(&udc->lock, flags);
+ dev_dbg(&udc->dev->dev, "%s: softconnect %d, vbus_active %d\n",
+ __func__, udc->softconnect, udc->vbus_active);
+
udc->softconnect = (is_on != 0);
- if (udc->driver && udc->softconnect)
- udc_start(udc);
- else
+ if (udc->driver && udc->softconnect && udc->vbus_active) {
+ retval = mv_udc_enable(udc);
+ if (retval == 0) {
+ /* Clock is disabled, need re-init registers */
+ udc_reset(udc);
+ ep0_reset(udc);
+ udc_start(udc);
+ }
+ } else if (udc->driver && udc->vbus_active) {
+ /* stop all the transfer in queue*/
+ stop_activity(udc, udc->driver);
udc_stop(udc);
+ mv_udc_disable(udc);
+ }
spin_unlock_irqrestore(&udc->lock, flags);
- return 0;
+ return retval;
}
static int mv_udc_start(struct usb_gadget_driver *driver,
@@ -1140,17 +1279,15 @@ static const struct usb_gadget_ops mv_ops = {
/* tries to wake up the host connected to this gadget */
.wakeup = mv_udc_wakeup,
+ /* notify controller that VBUS is powered or not */
+ .vbus_session = mv_udc_vbus_session,
+
/* D+ pullup, software-controlled connect/disconnect to USB host */
.pullup = mv_udc_pullup,
.start = mv_udc_start,
.stop = mv_udc_stop,
};
-static void mv_udc_testmode(struct mv_udc *udc, u16 index, bool enter)
-{
- dev_info(&udc->dev->dev, "Test Mode is not support yet\n");
-}
-
static int eps_init(struct mv_udc *udc)
{
struct mv_ep *ep;
@@ -1257,7 +1394,7 @@ static int mv_udc_start(struct usb_gadget_driver *driver,
udc->usb_state = USB_STATE_ATTACHED;
udc->ep0_state = WAIT_FOR_SETUP;
- udc->ep0_dir = USB_DIR_OUT;
+ udc->ep0_dir = EP_DIR_OUT;
spin_unlock_irqrestore(&udc->lock, flags);
@@ -1269,9 +1406,13 @@ static int mv_udc_start(struct usb_gadget_driver *driver,
udc->gadget.dev.driver = NULL;
return retval;
}
- udc_reset(udc);
- ep0_reset(udc);
- udc_start(udc);
+
+ /* pullup is always on */
+ mv_udc_pullup(&udc->gadget, 1);
+
+ /* When boot with cable attached, there will be no vbus irq occurred */
+ if (udc->qwork)
+ queue_work(udc->qwork, &udc->vbus_work);
return 0;
}
@@ -1284,13 +1425,16 @@ static int mv_udc_stop(struct usb_gadget_driver *driver)
if (!udc)
return -ENODEV;
- udc_stop(udc);
-
spin_lock_irqsave(&udc->lock, flags);
+ mv_udc_enable(udc);
+ udc_stop(udc);
+
/* stop all usb activities */
udc->gadget.speed = USB_SPEED_UNKNOWN;
stop_activity(udc, driver);
+ mv_udc_disable(udc);
+
spin_unlock_irqrestore(&udc->lock, flags);
/* unbind gadget driver */
@@ -1301,6 +1445,31 @@ static int mv_udc_stop(struct usb_gadget_driver *driver)
return 0;
}
+static void mv_set_ptc(struct mv_udc *udc, u32 mode)
+{
+ u32 portsc;
+
+ portsc = readl(&udc->op_regs->portsc[0]);
+ portsc |= mode << 16;
+ writel(portsc, &udc->op_regs->portsc[0]);
+}
+
+static void prime_status_complete(struct usb_ep *ep, struct usb_request *_req)
+{
+ struct mv_udc *udc = the_controller;
+ struct mv_req *req = container_of(_req, struct mv_req, req);
+ unsigned long flags;
+
+ dev_info(&udc->dev->dev, "switch to test mode %d\n", req->test_mode);
+
+ spin_lock_irqsave(&udc->lock, flags);
+ if (req->test_mode) {
+ mv_set_ptc(udc, req->test_mode);
+ req->test_mode = 0;
+ }
+ spin_unlock_irqrestore(&udc->lock, flags);
+}
+
static int
udc_prime_status(struct mv_udc *udc, u8 direction, u16 status, bool empty)
{
@@ -1310,6 +1479,7 @@ udc_prime_status(struct mv_udc *udc, u8 direction, u16 status, bool empty)
ep = &udc->eps[0];
udc->ep0_dir = direction;
+ udc->ep0_state = WAIT_FOR_OUT_STATUS;
req = udc->status_req;
@@ -1323,9 +1493,21 @@ udc_prime_status(struct mv_udc *udc, u8 direction, u16 status, bool empty)
req->ep = ep;
req->req.status = -EINPROGRESS;
req->req.actual = 0;
- req->req.complete = NULL;
+ if (udc->test_mode) {
+ req->req.complete = prime_status_complete;
+ req->test_mode = udc->test_mode;
+ udc->test_mode = 0;
+ } else
+ req->req.complete = NULL;
req->dtd_count = 0;
+ if (req->req.dma == DMA_ADDR_INVALID) {
+ req->req.dma = dma_map_single(ep->udc->gadget.dev.parent,
+ req->req.buf, req->req.length,
+ ep_dir(ep) ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
+ req->mapped = 1;
+ }
+
/* prime the data phase */
if (!req_to_dtd(req))
retval = queue_dtd(ep, req);
@@ -1346,6 +1528,17 @@ out:
return retval;
}
+static void mv_udc_testmode(struct mv_udc *udc, u16 index)
+{
+ if (index <= TEST_FORCE_EN) {
+ udc->test_mode = index;
+ if (udc_prime_status(udc, EP_DIR_IN, 0, true))
+ ep0_stall(udc);
+ } else
+ dev_err(&udc->dev->dev,
+ "This test mode(%d) is not supported\n", index);
+}
+
static void ch9setaddress(struct mv_udc *udc, struct usb_ctrlrequest *setup)
{
udc->dev_addr = (u8)setup->wValue;
@@ -1360,7 +1553,7 @@ static void ch9setaddress(struct mv_udc *udc, struct usb_ctrlrequest *setup)
static void ch9getstatus(struct mv_udc *udc, u8 ep_num,
struct usb_ctrlrequest *setup)
{
- u16 status;
+ u16 status = 0;
int retval;
if ((setup->bRequestType & (USB_DIR_IN | USB_TYPE_MASK))
@@ -1388,6 +1581,8 @@ static void ch9getstatus(struct mv_udc *udc, u8 ep_num,
retval = udc_prime_status(udc, EP_DIR_IN, status, false);
if (retval)
ep0_stall(udc);
+ else
+ udc->ep0_state = DATA_STATE_XMIT;
}
static void ch9clearfeature(struct mv_udc *udc, struct usb_ctrlrequest *setup)
@@ -1402,9 +1597,6 @@ static void ch9clearfeature(struct mv_udc *udc, struct usb_ctrlrequest *setup)
case USB_DEVICE_REMOTE_WAKEUP:
udc->remote_wakeup = 0;
break;
- case USB_DEVICE_TEST_MODE:
- mv_udc_testmode(udc, 0, false);
- break;
default:
goto out;
}
@@ -1433,8 +1625,6 @@ static void ch9clearfeature(struct mv_udc *udc, struct usb_ctrlrequest *setup)
if (udc_prime_status(udc, EP_DIR_IN, 0, true))
ep0_stall(udc);
- else
- udc->ep0_state = DATA_STATE_XMIT;
out:
return;
}
@@ -1452,16 +1642,16 @@ static void ch9setfeature(struct mv_udc *udc, struct usb_ctrlrequest *setup)
break;
case USB_DEVICE_TEST_MODE:
if (setup->wIndex & 0xFF
- && udc->gadget.speed != USB_SPEED_HIGH)
- goto out;
- if (udc->usb_state == USB_STATE_CONFIGURED
- || udc->usb_state == USB_STATE_ADDRESS
- || udc->usb_state == USB_STATE_DEFAULT)
- mv_udc_testmode(udc,
- setup->wIndex & 0xFF00, true);
- else
- goto out;
- break;
+ || udc->gadget.speed != USB_SPEED_HIGH)
+ ep0_stall(udc);
+
+ if (udc->usb_state != USB_STATE_CONFIGURED
+ && udc->usb_state != USB_STATE_ADDRESS
+ && udc->usb_state != USB_STATE_DEFAULT)
+ ep0_stall(udc);
+
+ mv_udc_testmode(udc, (setup->wIndex >> 8));
+ goto out;
default:
goto out;
}
@@ -1599,8 +1789,7 @@ static void get_setup_data(struct mv_udc *udc, u8 ep_num, u8 *buffer_ptr)
dqh = &udc->ep_dqh[ep_num * 2 + EP_DIR_OUT];
/* Clear bit in ENDPTSETUPSTAT */
- temp = readl(&udc->op_regs->epsetupstat);
- writel(temp | (1 << ep_num), &udc->op_regs->epsetupstat);
+ writel((1 << ep_num), &udc->op_regs->epsetupstat);
/* while a hazard exists when setup package arrives */
do {
@@ -1871,23 +2060,57 @@ static irqreturn_t mv_udc_irq(int irq, void *dev)
return IRQ_HANDLED;
}
+static irqreturn_t mv_udc_vbus_irq(int irq, void *dev)
+{
+ struct mv_udc *udc = (struct mv_udc *)dev;
+
+ /* polling VBUS and init phy may cause too much time*/
+ if (udc->qwork)
+ queue_work(udc->qwork, &udc->vbus_work);
+
+ return IRQ_HANDLED;
+}
+
+static void mv_udc_vbus_work(struct work_struct *work)
+{
+ struct mv_udc *udc;
+ unsigned int vbus;
+
+ udc = container_of(work, struct mv_udc, vbus_work);
+ if (!udc->pdata->vbus)
+ return;
+
+ vbus = udc->pdata->vbus->poll();
+ dev_info(&udc->dev->dev, "vbus is %d\n", vbus);
+
+ if (vbus == VBUS_HIGH)
+ mv_udc_vbus_session(&udc->gadget, 1);
+ else if (vbus == VBUS_LOW)
+ mv_udc_vbus_session(&udc->gadget, 0);
+}
+
/* release device structure */
static void gadget_release(struct device *_dev)
{
struct mv_udc *udc = the_controller;
complete(udc->done);
- kfree(udc);
}
-static int mv_udc_remove(struct platform_device *dev)
+static int __devexit mv_udc_remove(struct platform_device *dev)
{
struct mv_udc *udc = the_controller;
- DECLARE_COMPLETION(done);
+ int clk_i;
usb_del_gadget_udc(&udc->gadget);
- udc->done = &done;
+ if (udc->qwork) {
+ flush_workqueue(udc->qwork);
+ destroy_workqueue(udc->qwork);
+ }
+
+ if (udc->pdata && udc->pdata->vbus && udc->clock_gating)
+ free_irq(udc->pdata->vbus->irq, &dev->dev);
/* free memory allocated in probe */
if (udc->dtd_pool)
@@ -1902,6 +2125,8 @@ static int mv_udc_remove(struct platform_device *dev)
if (udc->irq)
free_irq(udc->irq, &dev->dev);
+ mv_udc_disable(udc);
+
if (udc->cap_regs)
iounmap(udc->cap_regs);
udc->cap_regs = NULL;
@@ -1915,45 +2140,62 @@ static int mv_udc_remove(struct platform_device *dev)
kfree(udc->status_req);
}
+ for (clk_i = 0; clk_i <= udc->clknum; clk_i++)
+ clk_put(udc->clk[clk_i]);
+
device_unregister(&udc->gadget.dev);
/* free dev, wait for the release() finished */
- wait_for_completion(&done);
+ wait_for_completion(udc->done);
+ kfree(udc);
the_controller = NULL;
return 0;
}
-int mv_udc_probe(struct platform_device *dev)
+static int __devinit mv_udc_probe(struct platform_device *dev)
{
+ struct mv_usb_platform_data *pdata = dev->dev.platform_data;
struct mv_udc *udc;
int retval = 0;
+ int clk_i = 0;
struct resource *r;
size_t size;
- udc = kzalloc(sizeof *udc, GFP_KERNEL);
+ if (pdata == NULL) {
+ dev_err(&dev->dev, "missing platform_data\n");
+ return -ENODEV;
+ }
+
+ size = sizeof(*udc) + sizeof(struct clk *) * pdata->clknum;
+ udc = kzalloc(size, GFP_KERNEL);
if (udc == NULL) {
dev_err(&dev->dev, "failed to allocate memory for udc\n");
- retval = -ENOMEM;
- goto error;
+ return -ENOMEM;
}
+ the_controller = udc;
+ udc->done = &release_done;
+ udc->pdata = dev->dev.platform_data;
spin_lock_init(&udc->lock);
udc->dev = dev;
- udc->clk = clk_get(&dev->dev, "U2OCLK");
- if (IS_ERR(udc->clk)) {
- retval = PTR_ERR(udc->clk);
- goto error;
+ udc->clknum = pdata->clknum;
+ for (clk_i = 0; clk_i < udc->clknum; clk_i++) {
+ udc->clk[clk_i] = clk_get(&dev->dev, pdata->clkname[clk_i]);
+ if (IS_ERR(udc->clk[clk_i])) {
+ retval = PTR_ERR(udc->clk[clk_i]);
+ goto err_put_clk;
+ }
}
- r = platform_get_resource_byname(udc->dev, IORESOURCE_MEM, "u2o");
+ r = platform_get_resource_byname(udc->dev, IORESOURCE_MEM, "capregs");
if (r == NULL) {
dev_err(&dev->dev, "no I/O memory resource defined\n");
retval = -ENODEV;
- goto error;
+ goto err_put_clk;
}
udc->cap_regs = (struct mv_cap_regs __iomem *)
@@ -1961,29 +2203,31 @@ int mv_udc_probe(struct platform_device *dev)
if (udc->cap_regs == NULL) {
dev_err(&dev->dev, "failed to map I/O memory\n");
retval = -EBUSY;
- goto error;
+ goto err_put_clk;
}
- r = platform_get_resource_byname(udc->dev, IORESOURCE_MEM, "u2ophy");
+ r = platform_get_resource_byname(udc->dev, IORESOURCE_MEM, "phyregs");
if (r == NULL) {
dev_err(&dev->dev, "no phy I/O memory resource defined\n");
retval = -ENODEV;
- goto error;
+ goto err_iounmap_capreg;
}
udc->phy_regs = (unsigned int)ioremap(r->start, resource_size(r));
if (udc->phy_regs == 0) {
dev_err(&dev->dev, "failed to map phy I/O memory\n");
retval = -EBUSY;
- goto error;
+ goto err_iounmap_capreg;
}
/* we will acces controller register, so enable the clk */
- clk_enable(udc->clk);
- retval = mv_udc_phy_init(udc->phy_regs);
- if (retval) {
- dev_err(&dev->dev, "phy initialization error %d\n", retval);
- goto error;
+ udc_clock_enable(udc);
+ if (pdata->phy_init) {
+ retval = pdata->phy_init(udc->phy_regs);
+ if (retval) {
+ dev_err(&dev->dev, "phy init error %d\n", retval);
+ goto err_iounmap_phyreg;
+ }
}
udc->op_regs = (struct mv_op_regs __iomem *)((u32)udc->cap_regs
@@ -1991,6 +2235,13 @@ int mv_udc_probe(struct platform_device *dev)
& CAPLENGTH_MASK));
udc->max_eps = readl(&udc->cap_regs->dccparams) & DCCPARAMS_DEN_MASK;
+ /*
+ * some platform will use usb to download image, it may not disconnect
+ * usb gadget before loading kernel. So first stop udc here.
+ */
+ udc_stop(udc);
+ writel(0xFFFFFFFF, &udc->op_regs->usbsts);
+
size = udc->max_eps * sizeof(struct mv_dqh) *2;
size = (size + DQH_ALIGNMENT - 1) & ~(DQH_ALIGNMENT - 1);
udc->ep_dqh = dma_alloc_coherent(&dev->dev, size,
@@ -1999,7 +2250,7 @@ int mv_udc_probe(struct platform_device *dev)
if (udc->ep_dqh == NULL) {
dev_err(&dev->dev, "allocate dQH memory failed\n");
retval = -ENOMEM;
- goto error;
+ goto err_disable_clock;
}
udc->ep_dqh_size = size;
@@ -2012,7 +2263,7 @@ int mv_udc_probe(struct platform_device *dev)
if (!udc->dtd_pool) {
retval = -ENOMEM;
- goto error;
+ goto err_free_dma;
}
size = udc->max_eps * sizeof(struct mv_ep) *2;
@@ -2020,7 +2271,7 @@ int mv_udc_probe(struct platform_device *dev)
if (udc->eps == NULL) {
dev_err(&dev->dev, "allocate ep memory failed\n");
retval = -ENOMEM;
- goto error;
+ goto err_destroy_dma;
}
/* initialize ep0 status request structure */
@@ -2028,13 +2279,13 @@ int mv_udc_probe(struct platform_device *dev)
if (!udc->status_req) {
dev_err(&dev->dev, "allocate status_req memory failed\n");
retval = -ENOMEM;
- goto error;
+ goto err_free_eps;
}
INIT_LIST_HEAD(&udc->status_req->queue);
/* allocate a small amount of memory to get valid address */
udc->status_req->req.buf = kzalloc(8, GFP_KERNEL);
- udc->status_req->req.dma = virt_to_phys(udc->status_req->req.buf);
+ udc->status_req->req.dma = DMA_ADDR_INVALID;
udc->resume_state = USB_STATE_NOTATTACHED;
udc->usb_state = USB_STATE_POWERED;
@@ -2045,15 +2296,15 @@ int mv_udc_probe(struct platform_device *dev)
if (r == NULL) {
dev_err(&dev->dev, "no IRQ resource defined\n");
retval = -ENODEV;
- goto error;
+ goto err_free_status_req;
}
udc->irq = r->start;
if (request_irq(udc->irq, mv_udc_irq,
- IRQF_DISABLED | IRQF_SHARED, driver_name, udc)) {
+ IRQF_SHARED, driver_name, udc)) {
dev_err(&dev->dev, "Request irq %d for UDC failed\n",
udc->irq);
retval = -ENODEV;
- goto error;
+ goto err_free_status_req;
}
/* initialize gadget structure */
@@ -2072,18 +2323,82 @@ int mv_udc_probe(struct platform_device *dev)
retval = device_register(&udc->gadget.dev);
if (retval)
- goto error;
+ goto err_free_irq;
eps_init(udc);
- the_controller = udc;
+ /* VBUS detect: we can disable/enable clock on demand.*/
+ if (pdata->vbus) {
+ udc->clock_gating = 1;
+ retval = request_threaded_irq(pdata->vbus->irq, NULL,
+ mv_udc_vbus_irq, IRQF_ONESHOT, "vbus", udc);
+ if (retval) {
+ dev_info(&dev->dev,
+ "Can not request irq for VBUS, "
+ "disable clock gating\n");
+ udc->clock_gating = 0;
+ }
+
+ udc->qwork = create_singlethread_workqueue("mv_udc_queue");
+ if (!udc->qwork) {
+ dev_err(&dev->dev, "cannot create workqueue\n");
+ retval = -ENOMEM;
+ goto err_unregister;
+ }
+
+ INIT_WORK(&udc->vbus_work, mv_udc_vbus_work);
+ }
+
+ /*
+ * When clock gating is supported, we can disable clk and phy.
+ * If not, it means that VBUS detection is not supported, we
+ * have to enable vbus active all the time to let controller work.
+ */
+ if (udc->clock_gating) {
+ if (udc->pdata->phy_deinit)
+ udc->pdata->phy_deinit(udc->phy_regs);
+ udc_clock_disable(udc);
+ } else
+ udc->vbus_active = 1;
retval = usb_add_gadget_udc(&dev->dev, &udc->gadget);
- if (!retval)
- return retval;
-error:
- if (udc)
- mv_udc_remove(udc->dev);
+ if (retval)
+ goto err_unregister;
+
+ dev_info(&dev->dev, "successful probe UDC device %s clock gating.\n",
+ udc->clock_gating ? "with" : "without");
+
+ return 0;
+
+err_unregister:
+ if (udc->pdata && udc->pdata->vbus && udc->clock_gating)
+ free_irq(pdata->vbus->irq, &dev->dev);
+ device_unregister(&udc->gadget.dev);
+err_free_irq:
+ free_irq(udc->irq, &dev->dev);
+err_free_status_req:
+ kfree(udc->status_req->req.buf);
+ kfree(udc->status_req);
+err_free_eps:
+ kfree(udc->eps);
+err_destroy_dma:
+ dma_pool_destroy(udc->dtd_pool);
+err_free_dma:
+ dma_free_coherent(&dev->dev, udc->ep_dqh_size,
+ udc->ep_dqh, udc->ep_dqh_dma);
+err_disable_clock:
+ if (udc->pdata->phy_deinit)
+ udc->pdata->phy_deinit(udc->phy_regs);
+ udc_clock_disable(udc);
+err_iounmap_phyreg:
+ iounmap((void *)udc->phy_regs);
+err_iounmap_capreg:
+ iounmap(udc->cap_regs);
+err_put_clk:
+ for (clk_i--; clk_i >= 0; clk_i--)
+ clk_put(udc->clk[clk_i]);
+ the_controller = NULL;
+ kfree(udc);
return retval;
}
@@ -2102,11 +2417,16 @@ static int mv_udc_resume(struct device *_dev)
struct mv_udc *udc = the_controller;
int retval;
- retval = mv_udc_phy_init(udc->phy_regs);
- if (retval) {
- dev_err(_dev, "phy initialization error %d\n", retval);
- return retval;
+ if (udc->pdata->phy_init) {
+ retval = udc->pdata->phy_init(udc->phy_regs);
+ if (retval) {
+ dev_err(&udc->dev->dev,
+ "init phy error %d when resume back\n",
+ retval);
+ return retval;
+ }
}
+
udc_reset(udc);
ep0_reset(udc);
udc_start(udc);
@@ -2120,9 +2440,21 @@ static const struct dev_pm_ops mv_udc_pm_ops = {
};
#endif
+static void mv_udc_shutdown(struct platform_device *dev)
+{
+ struct mv_udc *udc = the_controller;
+ u32 mode;
+
+ /* reset controller mode to IDLE */
+ mode = readl(&udc->op_regs->usbmode);
+ mode &= ~3;
+ writel(mode, &udc->op_regs->usbmode);
+}
+
static struct platform_driver udc_driver = {
.probe = mv_udc_probe,
.remove = __exit_p(mv_udc_remove),
+ .shutdown = mv_udc_shutdown,
.driver = {
.owner = THIS_MODULE,
.name = "pxa-u2o",
diff --git a/drivers/usb/gadget/mv_udc_phy.c b/drivers/usb/gadget/mv_udc_phy.c
deleted file mode 100644
index d4dea97e38a5..000000000000
--- a/drivers/usb/gadget/mv_udc_phy.c
+++ /dev/null
@@ -1,214 +0,0 @@
-#include <linux/delay.h>
-#include <linux/timer.h>
-#include <linux/io.h>
-#include <linux/errno.h>
-
-#include <mach/cputype.h>
-
-#ifdef CONFIG_ARCH_MMP
-
-#define UTMI_REVISION 0x0
-#define UTMI_CTRL 0x4
-#define UTMI_PLL 0x8
-#define UTMI_TX 0xc
-#define UTMI_RX 0x10
-#define UTMI_IVREF 0x14
-#define UTMI_T0 0x18
-#define UTMI_T1 0x1c
-#define UTMI_T2 0x20
-#define UTMI_T3 0x24
-#define UTMI_T4 0x28
-#define UTMI_T5 0x2c
-#define UTMI_RESERVE 0x30
-#define UTMI_USB_INT 0x34
-#define UTMI_DBG_CTL 0x38
-#define UTMI_OTG_ADDON 0x3c
-
-/* For UTMICTRL Register */
-#define UTMI_CTRL_USB_CLK_EN (1 << 31)
-/* pxa168 */
-#define UTMI_CTRL_SUSPEND_SET1 (1 << 30)
-#define UTMI_CTRL_SUSPEND_SET2 (1 << 29)
-#define UTMI_CTRL_RXBUF_PDWN (1 << 24)
-#define UTMI_CTRL_TXBUF_PDWN (1 << 11)
-
-#define UTMI_CTRL_INPKT_DELAY_SHIFT 30
-#define UTMI_CTRL_INPKT_DELAY_SOF_SHIFT 28
-#define UTMI_CTRL_PU_REF_SHIFT 20
-#define UTMI_CTRL_ARC_PULLDN_SHIFT 12
-#define UTMI_CTRL_PLL_PWR_UP_SHIFT 1
-#define UTMI_CTRL_PWR_UP_SHIFT 0
-/* For UTMI_PLL Register */
-#define UTMI_PLL_CLK_BLK_EN_SHIFT 24
-#define UTMI_PLL_FBDIV_SHIFT 4
-#define UTMI_PLL_REFDIV_SHIFT 0
-#define UTMI_PLL_FBDIV_MASK 0x00000FF0
-#define UTMI_PLL_REFDIV_MASK 0x0000000F
-#define UTMI_PLL_ICP_MASK 0x00007000
-#define UTMI_PLL_KVCO_MASK 0x00031000
-#define UTMI_PLL_PLLCALI12_SHIFT 29
-#define UTMI_PLL_PLLCALI12_MASK (0x3 << 29)
-#define UTMI_PLL_PLLVDD18_SHIFT 27
-#define UTMI_PLL_PLLVDD18_MASK (0x3 << 27)
-#define UTMI_PLL_PLLVDD12_SHIFT 25
-#define UTMI_PLL_PLLVDD12_MASK (0x3 << 25)
-#define UTMI_PLL_KVCO_SHIFT 15
-#define UTMI_PLL_ICP_SHIFT 12
-/* For UTMI_TX Register */
-#define UTMI_TX_REG_EXT_FS_RCAL_SHIFT 27
-#define UTMI_TX_REG_EXT_FS_RCAL_MASK (0xf << 27)
-#define UTMI_TX_REG_EXT_FS_RCAL_EN_MASK 26
-#define UTMI_TX_REG_EXT_FS_RCAL_EN (0x1 << 26)
-#define UTMI_TX_LOW_VDD_EN_SHIFT 11
-#define UTMI_TX_IMPCAL_VTH_SHIFT 14
-#define UTMI_TX_IMPCAL_VTH_MASK (0x7 << 14)
-#define UTMI_TX_CK60_PHSEL_SHIFT 17
-#define UTMI_TX_CK60_PHSEL_MASK (0xf << 17)
-#define UTMI_TX_TXVDD12_SHIFT 22
-#define UTMI_TX_TXVDD12_MASK (0x3 << 22)
-#define UTMI_TX_AMP_SHIFT 0
-#define UTMI_TX_AMP_MASK (0x7 << 0)
-/* For UTMI_RX Register */
-#define UTMI_RX_SQ_THRESH_SHIFT 4
-#define UTMI_RX_SQ_THRESH_MASK (0xf << 4)
-#define UTMI_REG_SQ_LENGTH_SHIFT 15
-#define UTMI_REG_SQ_LENGTH_MASK (0x3 << 15)
-
-#define REG_RCAL_START 0x00001000
-#define VCOCAL_START 0x00200000
-#define KVCO_EXT 0x00400000
-#define PLL_READY 0x00800000
-#define CLK_BLK_EN 0x01000000
-#endif
-
-static unsigned int u2o_read(unsigned int base, unsigned int offset)
-{
- return readl(base + offset);
-}
-
-static void u2o_set(unsigned int base, unsigned int offset, unsigned int value)
-{
- unsigned int reg;
-
- reg = readl(base + offset);
- reg |= value;
- writel(reg, base + offset);
- readl(base + offset);
-}
-
-static void u2o_clear(unsigned int base, unsigned int offset,
- unsigned int value)
-{
- unsigned int reg;
-
- reg = readl(base + offset);
- reg &= ~value;
- writel(reg, base + offset);
- readl(base + offset);
-}
-
-static void u2o_write(unsigned int base, unsigned int offset,
- unsigned int value)
-{
- writel(value, base + offset);
- readl(base + offset);
-}
-
-#ifdef CONFIG_ARCH_MMP
-int mv_udc_phy_init(unsigned int base)
-{
- unsigned long timeout;
-
- /* Initialize the USB PHY power */
- if (cpu_is_pxa910()) {
- u2o_set(base, UTMI_CTRL, (1 << UTMI_CTRL_INPKT_DELAY_SOF_SHIFT)
- | (1 << UTMI_CTRL_PU_REF_SHIFT));
- }
-
- u2o_set(base, UTMI_CTRL, 1 << UTMI_CTRL_PLL_PWR_UP_SHIFT);
- u2o_set(base, UTMI_CTRL, 1 << UTMI_CTRL_PWR_UP_SHIFT);
-
- /* UTMI_PLL settings */
- u2o_clear(base, UTMI_PLL, UTMI_PLL_PLLVDD18_MASK
- | UTMI_PLL_PLLVDD12_MASK | UTMI_PLL_PLLCALI12_MASK
- | UTMI_PLL_FBDIV_MASK | UTMI_PLL_REFDIV_MASK
- | UTMI_PLL_ICP_MASK | UTMI_PLL_KVCO_MASK);
-
- u2o_set(base, UTMI_PLL, (0xee << UTMI_PLL_FBDIV_SHIFT)
- | (0xb << UTMI_PLL_REFDIV_SHIFT)
- | (3 << UTMI_PLL_PLLVDD18_SHIFT)
- | (3 << UTMI_PLL_PLLVDD12_SHIFT)
- | (3 << UTMI_PLL_PLLCALI12_SHIFT)
- | (1 << UTMI_PLL_ICP_SHIFT) | (3 << UTMI_PLL_KVCO_SHIFT));
-
- /* UTMI_TX */
- u2o_clear(base, UTMI_TX, UTMI_TX_REG_EXT_FS_RCAL_EN_MASK
- | UTMI_TX_TXVDD12_MASK
- | UTMI_TX_CK60_PHSEL_MASK | UTMI_TX_IMPCAL_VTH_MASK
- | UTMI_TX_REG_EXT_FS_RCAL_MASK | UTMI_TX_AMP_MASK);
- u2o_set(base, UTMI_TX, (3 << UTMI_TX_TXVDD12_SHIFT)
- | (4 << UTMI_TX_CK60_PHSEL_SHIFT)
- | (4 << UTMI_TX_IMPCAL_VTH_SHIFT)
- | (8 << UTMI_TX_REG_EXT_FS_RCAL_SHIFT)
- | (3 << UTMI_TX_AMP_SHIFT));
-
- /* UTMI_RX */
- u2o_clear(base, UTMI_RX, UTMI_RX_SQ_THRESH_MASK
- | UTMI_REG_SQ_LENGTH_MASK);
- if (cpu_is_pxa168())
- u2o_set(base, UTMI_RX, (7 << UTMI_RX_SQ_THRESH_SHIFT)
- | (2 << UTMI_REG_SQ_LENGTH_SHIFT));
- else
- u2o_set(base, UTMI_RX, (0x7 << UTMI_RX_SQ_THRESH_SHIFT)
- | (2 << UTMI_REG_SQ_LENGTH_SHIFT));
-
- /* UTMI_IVREF */
- if (cpu_is_pxa168())
- /*
- * fixing Microsoft Altair board interface with NEC hub issue -
- * Set UTMI_IVREF from 0x4a3 to 0x4bf
- */
- u2o_write(base, UTMI_IVREF, 0x4bf);
-
- /* calibrate */
- timeout = jiffies + 100;
- while ((u2o_read(base, UTMI_PLL) & PLL_READY) == 0) {
- if (time_after(jiffies, timeout))
- return -ETIME;
- cpu_relax();
- }
-
- /* toggle VCOCAL_START bit of UTMI_PLL */
- udelay(200);
- u2o_set(base, UTMI_PLL, VCOCAL_START);
- udelay(40);
- u2o_clear(base, UTMI_PLL, VCOCAL_START);
-
- /* toggle REG_RCAL_START bit of UTMI_TX */
- udelay(200);
- u2o_set(base, UTMI_TX, REG_RCAL_START);
- udelay(40);
- u2o_clear(base, UTMI_TX, REG_RCAL_START);
- udelay(200);
-
- /* make sure phy is ready */
- timeout = jiffies + 100;
- while ((u2o_read(base, UTMI_PLL) & PLL_READY) == 0) {
- if (time_after(jiffies, timeout))
- return -ETIME;
- cpu_relax();
- }
-
- if (cpu_is_pxa168()) {
- u2o_set(base, UTMI_RESERVE, 1 << 5);
- /* Turn on UTMI PHY OTG extension */
- u2o_write(base, UTMI_OTG_ADDON, 1);
- }
- return 0;
-}
-#else
-int mv_udc_phy_init(unsigned int base)
-{
- return 0;
-}
-#endif
diff --git a/drivers/usb/gadget/ncm.c b/drivers/usb/gadget/ncm.c
index 62ee5087dcac..89530034dff1 100644
--- a/drivers/usb/gadget/ncm.c
+++ b/drivers/usb/gadget/ncm.c
@@ -14,15 +14,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* #define DEBUG */
diff --git a/drivers/usb/gadget/ndis.h b/drivers/usb/gadget/ndis.h
index df886cec5ef4..b0e52fc277b4 100644
--- a/drivers/usb/gadget/ndis.h
+++ b/drivers/usb/gadget/ndis.h
@@ -10,12 +10,6 @@
*
* This source code is offered for use in the public domain. You may
* use, modify or distribute it freely.
- *
- * This code is distributed in the hope that it will be useful but
- * WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
- * DISCLAIMED. This includes but is not limited to warranties of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
*/
#ifndef _LINUX_NDIS_H
diff --git a/drivers/usb/gadget/net2272.c b/drivers/usb/gadget/net2272.c
index ab98ea926a11..d1b76368472f 100644
--- a/drivers/usb/gadget/net2272.c
+++ b/drivers/usb/gadget/net2272.c
@@ -204,7 +204,7 @@ net2272_enable(struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc)
if (!dev->driver || dev->gadget.speed == USB_SPEED_UNKNOWN)
return -ESHUTDOWN;
- max = le16_to_cpu(desc->wMaxPacketSize) & 0x1fff;
+ max = usb_endpoint_maxp(desc) & 0x1fff;
spin_lock_irqsave(&dev->lock, flags);
_ep->maxpacket = max & 0x7fff;
@@ -1172,17 +1172,18 @@ net2272_pullup(struct usb_gadget *_gadget, int is_on)
return 0;
}
-static int net2272_start(struct usb_gadget_driver *driver,
- int (*bind)(struct usb_gadget *));
-static int net2272_stop(struct usb_gadget_driver *driver);
+static int net2272_start(struct usb_gadget *_gadget,
+ struct usb_gadget_driver *driver);
+static int net2272_stop(struct usb_gadget *_gadget,
+ struct usb_gadget_driver *driver);
static const struct usb_gadget_ops net2272_ops = {
- .get_frame = net2272_get_frame,
- .wakeup = net2272_wakeup,
+ .get_frame = net2272_get_frame,
+ .wakeup = net2272_wakeup,
.set_selfpowered = net2272_set_selfpowered,
- .pullup = net2272_pullup,
- .start = net2272_start,
- .stop = net2272_stop,
+ .pullup = net2272_pullup,
+ .udc_start = net2272_start,
+ .udc_stop = net2272_stop,
};
/*---------------------------------------------------------------------------*/
@@ -1356,8 +1357,6 @@ net2272_set_fifo_mode(struct net2272 *dev, int mode)
/*---------------------------------------------------------------------------*/
-static struct net2272 *the_controller;
-
static void
net2272_usb_reset(struct net2272 *dev)
{
@@ -1453,20 +1452,17 @@ net2272_ep0_start(struct net2272 *dev)
* disconnect is reported. then a host may connect again, or
* the driver might get unbound.
*/
-static int net2272_start(struct usb_gadget_driver *driver,
- int (*bind)(struct usb_gadget *))
+static int net2272_start(struct usb_gadget *_gadget,
+ struct usb_gadget_driver *driver)
{
- struct net2272 *dev = the_controller;
- int ret;
+ struct net2272 *dev;
unsigned i;
- if (!driver || !bind || !driver->unbind || !driver->setup ||
+ if (!driver || !driver->unbind || !driver->setup ||
driver->speed != USB_SPEED_HIGH)
return -EINVAL;
- if (!dev)
- return -ENODEV;
- if (dev->driver)
- return -EBUSY;
+
+ dev = container_of(_gadget, struct net2272, gadget);
for (i = 0; i < 4; ++i)
dev->ep[i].irqs = 0;
@@ -1475,14 +1471,6 @@ static int net2272_start(struct usb_gadget_driver *driver,
driver->driver.bus = NULL;
dev->driver = driver;
dev->gadget.dev.driver = &driver->driver;
- ret = bind(&dev->gadget);
- if (ret) {
- dev_dbg(dev->dev, "bind to driver %s --> %d\n",
- driver->driver.name, ret);
- dev->driver = NULL;
- dev->gadget.dev.driver = NULL;
- return ret;
- }
/* ... then enable host detection and ep0; and we're ready
* for set_configuration as well as eventual disconnect.
@@ -1510,33 +1498,21 @@ stop_activity(struct net2272 *dev, struct usb_gadget_driver *driver)
for (i = 0; i < 4; ++i)
net2272_dequeue_all(&dev->ep[i]);
- /* report disconnect; the driver is already quiesced */
- if (driver) {
- spin_unlock(&dev->lock);
- driver->disconnect(&dev->gadget);
- spin_lock(&dev->lock);
-
- }
net2272_usb_reinit(dev);
}
-static int net2272_stop(struct usb_gadget_driver *driver)
+static int net2272_stop(struct usb_gadget *_gadget,
+ struct usb_gadget_driver *driver)
{
- struct net2272 *dev = the_controller;
+ struct net2272 *dev;
unsigned long flags;
- if (!dev)
- return -ENODEV;
- if (!driver || driver != dev->driver)
- return -EINVAL;
+ dev = container_of(_gadget, struct net2272, gadget);
spin_lock_irqsave(&dev->lock, flags);
stop_activity(dev, driver);
spin_unlock_irqrestore(&dev->lock, flags);
- net2272_pullup(&dev->gadget, 0);
-
- driver->unbind(&dev->gadget);
dev->gadget.dev.driver = NULL;
dev->driver = NULL;
@@ -1764,8 +1740,8 @@ net2272_handle_stat0_irqs(struct net2272 *dev, u8 stat)
dev->gadget.speed = USB_SPEED_HIGH;
else
dev->gadget.speed = USB_SPEED_FULL;
- dev_dbg(dev->dev, "%s speed\n",
- (dev->gadget.speed == USB_SPEED_HIGH) ? "high" : "full");
+ dev_dbg(dev->dev, "%s\n",
+ usb_speed_string(dev->gadget.speed));
}
ep = &dev->ep[0];
@@ -2238,7 +2214,6 @@ net2272_remove(struct net2272 *dev)
device_remove_file(dev->dev, &dev_attr_registers);
dev_info(dev->dev, "unbind\n");
- the_controller = NULL;
}
static struct net2272 * __devinit
@@ -2246,11 +2221,6 @@ net2272_probe_init(struct device *dev, unsigned int irq)
{
struct net2272 *ret;
- if (the_controller) {
- dev_warn(dev, "ignoring\n");
- return ERR_PTR(-EBUSY);
- }
-
if (!irq) {
dev_dbg(dev, "No IRQ!\n");
return ERR_PTR(-ENODEV);
@@ -2307,8 +2277,6 @@ net2272_probe_fin(struct net2272 *dev, unsigned int irqflags)
dma_mode_string());
dev_info(dev->dev, "version: %s\n", driver_vers);
- the_controller = dev;
-
ret = device_register(&dev->gadget.dev);
if (ret)
goto err_irq;
@@ -2684,8 +2652,6 @@ net2272_plat_probe(struct platform_device *pdev)
dev_info(&pdev->dev, "running in 16-bit, %sbyte swap local bus mode\n",
(net2272_read(dev, LOCCTL) & (1 << BYTE_SWAP)) ? "" : "no ");
- the_controller = dev;
-
return 0;
err_io:
diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c
index a218a4de5dc9..7f1bc9a73cda 100644
--- a/drivers/usb/gadget/net2280.c
+++ b/drivers/usb/gadget/net2280.c
@@ -33,15 +33,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#undef DEBUG /* messages on error and most fault paths */
@@ -169,7 +160,7 @@ net2280_enable (struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc)
return -EDOM;
/* sanity check ep-e/ep-f since their fifos are small */
- max = le16_to_cpu (desc->wMaxPacketSize) & 0x1fff;
+ max = usb_endpoint_maxp (desc) & 0x1fff;
if (ep->num > 4 && max > 64)
return -ERANGE;
@@ -1410,17 +1401,18 @@ static int net2280_pullup(struct usb_gadget *_gadget, int is_on)
return 0;
}
-static int net2280_start(struct usb_gadget_driver *driver,
- int (*bind)(struct usb_gadget *));
-static int net2280_stop(struct usb_gadget_driver *driver);
+static int net2280_start(struct usb_gadget *_gadget,
+ struct usb_gadget_driver *driver);
+static int net2280_stop(struct usb_gadget *_gadget,
+ struct usb_gadget_driver *driver);
static const struct usb_gadget_ops net2280_ops = {
.get_frame = net2280_get_frame,
.wakeup = net2280_wakeup,
.set_selfpowered = net2280_set_selfpowered,
.pullup = net2280_pullup,
- .start = net2280_start,
- .stop = net2280_stop,
+ .udc_start = net2280_start,
+ .udc_stop = net2280_stop,
};
/*-------------------------------------------------------------------------*/
@@ -1640,7 +1632,7 @@ show_queues (struct device *_dev, struct device_attribute *attr, char *buf)
default:
val = "iso"; break;
}; val; }),
- le16_to_cpu (d->wMaxPacketSize) & 0x1fff,
+ usb_endpoint_maxp (d) & 0x1fff,
ep->dma ? "dma" : "pio", ep->fifo_size
);
} else /* ep0 should only have one transfer queued */
@@ -1753,8 +1745,6 @@ static void set_fifo_mode (struct net2280 *dev, int mode)
* perhaps to bind specific drivers to specific devices.
*/
-static struct net2280 *the_controller;
-
static void usb_reset (struct net2280 *dev)
{
u32 tmp;
@@ -1880,10 +1870,10 @@ static void ep0_start (struct net2280 *dev)
* disconnect is reported. then a host may connect again, or
* the driver might get unbound.
*/
-static int net2280_start(struct usb_gadget_driver *driver,
- int (*bind)(struct usb_gadget *))
+static int net2280_start(struct usb_gadget *_gadget,
+ struct usb_gadget_driver *driver)
{
- struct net2280 *dev = the_controller;
+ struct net2280 *dev;
int retval;
unsigned i;
@@ -1891,14 +1881,11 @@ static int net2280_start(struct usb_gadget_driver *driver,
* (dev->usb->xcvrdiag & FORCE_FULL_SPEED_MODE)
* "must not be used in normal operation"
*/
- if (!driver
- || driver->speed != USB_SPEED_HIGH
- || !bind || !driver->setup)
+ if (!driver || driver->speed != USB_SPEED_HIGH
+ || !driver->setup)
return -EINVAL;
- if (!dev)
- return -ENODEV;
- if (dev->driver)
- return -EBUSY;
+
+ dev = container_of (_gadget, struct net2280, gadget);
for (i = 0; i < 7; i++)
dev->ep [i].irqs = 0;
@@ -1908,14 +1895,6 @@ static int net2280_start(struct usb_gadget_driver *driver,
driver->driver.bus = NULL;
dev->driver = driver;
dev->gadget.dev.driver = &driver->driver;
- retval = bind(&dev->gadget);
- if (retval) {
- DEBUG (dev, "bind to driver %s --> %d\n",
- driver->driver.name, retval);
- dev->driver = NULL;
- dev->gadget.dev.driver = NULL;
- return retval;
- }
retval = device_create_file (&dev->pdev->dev, &dev_attr_function);
if (retval) goto err_unbind;
@@ -1961,33 +1940,21 @@ stop_activity (struct net2280 *dev, struct usb_gadget_driver *driver)
for (i = 0; i < 7; i++)
nuke (&dev->ep [i]);
- /* report disconnect; the driver is already quiesced */
- if (driver) {
- spin_unlock (&dev->lock);
- driver->disconnect (&dev->gadget);
- spin_lock (&dev->lock);
- }
-
usb_reinit (dev);
}
-static int net2280_stop(struct usb_gadget_driver *driver)
+static int net2280_stop(struct usb_gadget *_gadget,
+ struct usb_gadget_driver *driver)
{
- struct net2280 *dev = the_controller;
+ struct net2280 *dev;
unsigned long flags;
- if (!dev)
- return -ENODEV;
- if (!driver || driver != dev->driver || !driver->unbind)
- return -EINVAL;
+ dev = container_of (_gadget, struct net2280, gadget);
spin_lock_irqsave (&dev->lock, flags);
stop_activity (dev, driver);
spin_unlock_irqrestore (&dev->lock, flags);
- net2280_pullup (&dev->gadget, 0);
-
- driver->unbind (&dev->gadget);
dev->gadget.dev.driver = NULL;
dev->driver = NULL;
@@ -2266,9 +2233,7 @@ static void handle_stat0_irqs (struct net2280 *dev, u32 stat)
else
dev->gadget.speed = USB_SPEED_FULL;
net2280_led_speed (dev, dev->gadget.speed);
- DEBUG (dev, "%s speed\n",
- (dev->gadget.speed == USB_SPEED_HIGH)
- ? "high" : "full");
+ DEBUG(dev, "%s\n", usb_speed_string(dev->gadget.speed));
}
ep = &dev->ep [0];
@@ -2709,8 +2674,6 @@ static void net2280_remove (struct pci_dev *pdev)
pci_set_drvdata (pdev, NULL);
INFO (dev, "unbind\n");
-
- the_controller = NULL;
}
/* wrap this driver around the specified device, but
@@ -2724,14 +2687,6 @@ static int net2280_probe (struct pci_dev *pdev, const struct pci_device_id *id)
void __iomem *base = NULL;
int retval, i;
- /* if you want to support more than one controller in a system,
- * usb_gadget_driver_{register,unregister}() must change.
- */
- if (the_controller) {
- dev_warn (&pdev->dev, "ignoring\n");
- return -EBUSY;
- }
-
/* alloc, and start init */
dev = kzalloc (sizeof *dev, GFP_KERNEL);
if (dev == NULL){
@@ -2858,8 +2813,6 @@ static int net2280_probe (struct pci_dev *pdev, const struct pci_device_id *id)
use_dma
? (use_dma_chaining ? "chaining" : "enabled")
: "disabled");
- the_controller = dev;
-
retval = device_register (&dev->gadget.dev);
if (retval) goto done;
retval = device_create_file (&pdev->dev, &dev_attr_registers);
diff --git a/drivers/usb/gadget/net2280.h b/drivers/usb/gadget/net2280.h
index c36852263d93..a844be0d683a 100644
--- a/drivers/usb/gadget/net2280.h
+++ b/drivers/usb/gadget/net2280.h
@@ -11,15 +11,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/usb/net2280.h>
diff --git a/drivers/usb/gadget/omap_udc.c b/drivers/usb/gadget/omap_udc.c
index 740c7daed279..788989a10223 100644
--- a/drivers/usb/gadget/omap_udc.c
+++ b/drivers/usb/gadget/omap_udc.c
@@ -10,15 +10,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#undef DEBUG
@@ -166,15 +157,14 @@ static int omap_ep_enable(struct usb_ep *_ep,
if (!_ep || !desc || ep->desc
|| desc->bDescriptorType != USB_DT_ENDPOINT
|| ep->bEndpointAddress != desc->bEndpointAddress
- || ep->maxpacket < le16_to_cpu
- (desc->wMaxPacketSize)) {
+ || ep->maxpacket < usb_endpoint_maxp(desc)) {
DBG("%s, bad ep or descriptor\n", __func__);
return -EINVAL;
}
- maxp = le16_to_cpu (desc->wMaxPacketSize);
+ maxp = usb_endpoint_maxp(desc);
if ((desc->bmAttributes == USB_ENDPOINT_XFER_BULK
&& maxp != ep->maxpacket)
- || le16_to_cpu(desc->wMaxPacketSize) > ep->maxpacket
+ || usb_endpoint_maxp(desc) > ep->maxpacket
|| !desc->wMaxPacketSize) {
DBG("%s, bad %s maxpacket\n", __func__, _ep->name);
return -ERANGE;
@@ -2968,7 +2958,7 @@ known:
}
#ifdef USE_ISO
status = request_irq(pdev->resource[3].start, omap_udc_iso_irq,
- IRQF_DISABLED, "omap_udc iso", udc);
+ 0, "omap_udc iso", udc);
if (status != 0) {
ERR("can't get irq %d, err %d\n",
(int) pdev->resource[3].start, status);
diff --git a/drivers/usb/gadget/pch_udc.c b/drivers/usb/gadget/pch_udc.c
index f96615ab6b77..550d6dcdf104 100644
--- a/drivers/usb/gadget/pch_udc.c
+++ b/drivers/usb/gadget/pch_udc.c
@@ -4,15 +4,6 @@
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/kernel.h>
@@ -947,7 +938,7 @@ static void pch_udc_ep_enable(struct pch_udc_ep *ep,
else
buff_size = UDC_EPOUT_BUFF_SIZE;
pch_udc_ep_set_bufsz(ep, buff_size, ep->in);
- pch_udc_ep_set_maxpkt(ep, le16_to_cpu(desc->wMaxPacketSize));
+ pch_udc_ep_set_maxpkt(ep, usb_endpoint_maxp(desc));
pch_udc_ep_set_nak(ep);
pch_udc_ep_fifo_flush(ep, ep->in);
/* Configure the endpoint */
@@ -957,7 +948,7 @@ static void pch_udc_ep_enable(struct pch_udc_ep *ep,
(cfg->cur_cfg << UDC_CSR_NE_CFG_SHIFT) |
(cfg->cur_intf << UDC_CSR_NE_INTF_SHIFT) |
(cfg->cur_alt << UDC_CSR_NE_ALT_SHIFT) |
- le16_to_cpu(desc->wMaxPacketSize) << UDC_CSR_NE_MAX_PKT_SHIFT;
+ usb_endpoint_maxp(desc) << UDC_CSR_NE_MAX_PKT_SHIFT;
if (ep->in)
pch_udc_write_csr(ep->dev, val, UDC_EPIN_IDX(ep->num));
@@ -1466,7 +1457,7 @@ static int pch_udc_pcd_ep_enable(struct usb_ep *usbep,
ep->desc = desc;
ep->halted = 0;
pch_udc_ep_enable(ep, &ep->dev->cfg_data, desc);
- ep->ep.maxpacket = le16_to_cpu(desc->wMaxPacketSize);
+ ep->ep.maxpacket = usb_endpoint_maxp(desc);
pch_udc_enable_ep_interrupts(ep->dev, PCH_UDC_EPINT(ep->in, ep->num));
spin_unlock_irqrestore(&dev->lock, iflags);
return 0;
diff --git a/drivers/usb/gadget/printer.c b/drivers/usb/gadget/printer.c
index a341dde6f9c3..65a8834f274b 100644
--- a/drivers/usb/gadget/printer.c
+++ b/drivers/usb/gadget/printer.c
@@ -8,15 +8,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/module.h>
@@ -971,23 +962,15 @@ printer_set_config(struct printer_dev *dev, unsigned number)
usb_gadget_vbus_draw(dev->gadget,
dev->gadget->is_otg ? 8 : 100);
} else {
- char *speed;
unsigned power;
power = 2 * config_desc.bMaxPower;
usb_gadget_vbus_draw(dev->gadget, power);
- switch (gadget->speed) {
- case USB_SPEED_FULL: speed = "full"; break;
-#ifdef CONFIG_USB_GADGET_DUALSPEED
- case USB_SPEED_HIGH: speed = "high"; break;
-#endif
- default: speed = "?"; break;
- }
-
dev->config = number;
- INFO(dev, "%s speed config #%d: %d mA, %s\n",
- speed, number, power, driver_desc);
+ INFO(dev, "%s config #%d: %d mA, %s\n",
+ usb_speed_string(gadget->speed),
+ number, power, driver_desc);
}
return result;
}
@@ -1611,7 +1594,7 @@ cleanup(void)
if (status)
ERROR(dev, "usb_gadget_unregister_driver %x\n", status);
- unregister_chrdev_region(g_printer_devno, 2);
+ unregister_chrdev_region(g_printer_devno, 1);
class_destroy(usb_gadget_class);
mutex_unlock(&usb_printer_gadget.lock_printer_io);
}
diff --git a/drivers/usb/gadget/pxa25x_udc.c b/drivers/usb/gadget/pxa25x_udc.c
index e4e59b4de25d..c090a7e3ecf8 100644
--- a/drivers/usb/gadget/pxa25x_udc.c
+++ b/drivers/usb/gadget/pxa25x_udc.c
@@ -11,16 +11,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
*/
/* #define VERBOSE_DEBUG */
@@ -232,8 +222,7 @@ static int pxa25x_ep_enable (struct usb_ep *_ep,
if (!_ep || !desc || ep->desc || _ep->name == ep0name
|| desc->bDescriptorType != USB_DT_ENDPOINT
|| ep->bEndpointAddress != desc->bEndpointAddress
- || ep->fifo_size < le16_to_cpu
- (desc->wMaxPacketSize)) {
+ || ep->fifo_size < usb_endpoint_maxp (desc)) {
DMSG("%s, bad ep or descriptor\n", __func__);
return -EINVAL;
}
@@ -248,7 +237,7 @@ static int pxa25x_ep_enable (struct usb_ep *_ep,
/* hardware _could_ do smaller, but driver doesn't */
if ((desc->bmAttributes == USB_ENDPOINT_XFER_BULK
- && le16_to_cpu (desc->wMaxPacketSize)
+ && usb_endpoint_maxp (desc)
!= BULK_FIFO_SIZE)
|| !desc->wMaxPacketSize) {
DMSG("%s, bad %s maxpacket\n", __func__, _ep->name);
@@ -264,7 +253,7 @@ static int pxa25x_ep_enable (struct usb_ep *_ep,
ep->desc = desc;
ep->stopped = 0;
ep->pio_irqs = 0;
- ep->ep.maxpacket = le16_to_cpu (desc->wMaxPacketSize);
+ ep->ep.maxpacket = usb_endpoint_maxp (desc);
/* flush fifo (mostly for OUT buffers) */
pxa25x_ep_fifo_flush (_ep);
@@ -401,7 +390,7 @@ write_fifo (struct pxa25x_ep *ep, struct pxa25x_request *req)
{
unsigned max;
- max = le16_to_cpu(ep->desc->wMaxPacketSize);
+ max = usb_endpoint_maxp(ep->desc);
do {
unsigned count;
int is_last, is_short;
@@ -671,8 +660,7 @@ pxa25x_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags)
* we can report per-packet status. that also helps with dma.
*/
if (unlikely (ep->bmAttributes == USB_ENDPOINT_XFER_ISOC
- && req->req.length > le16_to_cpu
- (ep->desc->wMaxPacketSize)))
+ && req->req.length > usb_endpoint_maxp (ep->desc)))
return -EMSGSIZE;
DBG(DBG_NOISY, "%s queue req %p, len %d buf %p\n",
@@ -1105,7 +1093,7 @@ udc_seq_show(struct seq_file *m, void *_d)
tmp = *dev->ep [i].reg_udccs;
seq_printf(m,
"%s max %d %s udccs %02x irqs %lu\n",
- ep->ep.name, le16_to_cpu(desc->wMaxPacketSize),
+ ep->ep.name, usb_endpoint_maxp(desc),
"pio", tmp, ep->pio_irqs);
/* TODO translate all five groups of udccs bits! */
@@ -2202,7 +2190,7 @@ static int __init pxa25x_udc_probe(struct platform_device *pdev)
/* irq setup after old hardware state is cleaned up */
retval = request_irq(irq, pxa25x_udc_irq,
- IRQF_DISABLED, driver_name, dev);
+ 0, driver_name, dev);
if (retval != 0) {
pr_err("%s: can't get irq %d, err %d\n",
driver_name, irq, retval);
@@ -2214,7 +2202,7 @@ static int __init pxa25x_udc_probe(struct platform_device *pdev)
if (machine_is_lubbock()) {
retval = request_irq(LUBBOCK_USB_DISC_IRQ,
lubbock_vbus_irq,
- IRQF_DISABLED | IRQF_SAMPLE_RANDOM,
+ IRQF_SAMPLE_RANDOM,
driver_name, dev);
if (retval != 0) {
pr_err("%s: can't get irq %i, err %d\n",
@@ -2223,7 +2211,7 @@ static int __init pxa25x_udc_probe(struct platform_device *pdev)
}
retval = request_irq(LUBBOCK_USB_IRQ,
lubbock_vbus_irq,
- IRQF_DISABLED | IRQF_SAMPLE_RANDOM,
+ IRQF_SAMPLE_RANDOM,
driver_name, dev);
if (retval != 0) {
pr_err("%s: can't get irq %i, err %d\n",
diff --git a/drivers/usb/gadget/pxa25x_udc.h b/drivers/usb/gadget/pxa25x_udc.h
index f572c5617462..8eaf4e43726b 100644
--- a/drivers/usb/gadget/pxa25x_udc.h
+++ b/drivers/usb/gadget/pxa25x_udc.h
@@ -9,15 +9,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __LINUX_USB_GADGET_PXA25X_H
@@ -161,8 +152,6 @@ static struct pxa25x_udc *the_controller;
#ifdef DEBUG
-static int is_vbus_present(void);
-
static const char *state_name[] = {
"EP0_IDLE",
"EP0_IN_DATA_PHASE", "EP0_OUT_DATA_PHASE",
@@ -214,8 +203,7 @@ dump_state(struct pxa25x_udc *dev)
u32 tmp;
unsigned i;
- DMSG("%s %s, uicr %02X.%02X, usir %02X.%02x, ufnr %02X.%02X\n",
- is_vbus_present() ? "host " : "disconnected",
+ DMSG("%s, uicr %02X.%02X, usir %02X.%02x, ufnr %02X.%02X\n",
state_name[dev->ep0state],
UICR1, UICR0, USIR1, USIR0, UFNRH, UFNRL);
dump_udccr("udccr");
@@ -232,9 +220,6 @@ dump_state(struct pxa25x_udc *dev)
} else
DMSG("ep0 driver '%s'\n", dev->driver->driver.name);
- if (!is_vbus_present())
- return;
-
dump_udccs0 ("udccs0");
DMSG("ep0 IN %lu/%lu, OUT %lu/%lu\n",
dev->stats.write.bytes, dev->stats.write.ops,
diff --git a/drivers/usb/gadget/pxa27x_udc.c b/drivers/usb/gadget/pxa27x_udc.c
index 85b68c75dc9d..18b6b091f2a6 100644
--- a/drivers/usb/gadget/pxa27x_udc.c
+++ b/drivers/usb/gadget/pxa27x_udc.c
@@ -8,16 +8,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
*/
#include <linux/module.h>
#include <linux/kernel.h>
@@ -1439,7 +1429,7 @@ static int pxa_ep_enable(struct usb_ep *_ep,
return -EINVAL;
}
- if (ep->fifo_size < le16_to_cpu(desc->wMaxPacketSize)) {
+ if (ep->fifo_size < usb_endpoint_maxp(desc)) {
ep_err(ep, "bad maxpacket\n");
return -ERANGE;
}
diff --git a/drivers/usb/gadget/pxa27x_udc.h b/drivers/usb/gadget/pxa27x_udc.h
index b01696eab068..7f4e8f424e80 100644
--- a/drivers/usb/gadget/pxa27x_udc.h
+++ b/drivers/usb/gadget/pxa27x_udc.h
@@ -9,15 +9,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __LINUX_USB_GADGET_PXA27X_H
diff --git a/drivers/usb/gadget/r8a66597-udc.c b/drivers/usb/gadget/r8a66597-udc.c
index 50991e5bd5e8..68a826a1b866 100644
--- a/drivers/usb/gadget/r8a66597-udc.c
+++ b/drivers/usb/gadget/r8a66597-udc.c
@@ -8,16 +8,6 @@
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- *
*/
#include <linux/module.h>
@@ -28,13 +18,14 @@
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/slab.h>
+#include <linux/dma-mapping.h>
#include <linux/usb/ch9.h>
#include <linux/usb/gadget.h>
#include "r8a66597-udc.h"
-#define DRIVER_VERSION "2009-08-18"
+#define DRIVER_VERSION "2011-09-26"
static const char udc_name[] = "r8a66597_udc";
static const char *r8a66597_ep_name[] = {
@@ -115,13 +106,15 @@ static inline u16 control_reg_get_pid(struct r8a66597 *r8a66597, u16 pipenum)
u16 pid = 0;
unsigned long offset;
- if (pipenum == 0)
+ if (pipenum == 0) {
pid = r8a66597_read(r8a66597, DCPCTR) & PID;
- else if (pipenum < R8A66597_MAX_NUM_PIPE) {
+ } else if (pipenum < R8A66597_MAX_NUM_PIPE) {
offset = get_pipectr_addr(pipenum);
pid = r8a66597_read(r8a66597, offset) & PID;
- } else
- printk(KERN_ERR "unexpect pipe num (%d)\n", pipenum);
+ } else {
+ dev_err(r8a66597_to_dev(r8a66597), "unexpect pipe num (%d)\n",
+ pipenum);
+ }
return pid;
}
@@ -131,13 +124,15 @@ static inline void control_reg_set_pid(struct r8a66597 *r8a66597, u16 pipenum,
{
unsigned long offset;
- if (pipenum == 0)
+ if (pipenum == 0) {
r8a66597_mdfy(r8a66597, pid, PID, DCPCTR);
- else if (pipenum < R8A66597_MAX_NUM_PIPE) {
+ } else if (pipenum < R8A66597_MAX_NUM_PIPE) {
offset = get_pipectr_addr(pipenum);
r8a66597_mdfy(r8a66597, pid, PID, offset);
- } else
- printk(KERN_ERR "unexpect pipe num (%d)\n", pipenum);
+ } else {
+ dev_err(r8a66597_to_dev(r8a66597), "unexpect pipe num (%d)\n",
+ pipenum);
+ }
}
static inline void pipe_start(struct r8a66597 *r8a66597, u16 pipenum)
@@ -160,13 +155,15 @@ static inline u16 control_reg_get(struct r8a66597 *r8a66597, u16 pipenum)
u16 ret = 0;
unsigned long offset;
- if (pipenum == 0)
+ if (pipenum == 0) {
ret = r8a66597_read(r8a66597, DCPCTR);
- else if (pipenum < R8A66597_MAX_NUM_PIPE) {
+ } else if (pipenum < R8A66597_MAX_NUM_PIPE) {
offset = get_pipectr_addr(pipenum);
ret = r8a66597_read(r8a66597, offset);
- } else
- printk(KERN_ERR "unexpect pipe num (%d)\n", pipenum);
+ } else {
+ dev_err(r8a66597_to_dev(r8a66597), "unexpect pipe num (%d)\n",
+ pipenum);
+ }
return ret;
}
@@ -177,13 +174,63 @@ static inline void control_reg_sqclr(struct r8a66597 *r8a66597, u16 pipenum)
pipe_stop(r8a66597, pipenum);
- if (pipenum == 0)
+ if (pipenum == 0) {
r8a66597_bset(r8a66597, SQCLR, DCPCTR);
- else if (pipenum < R8A66597_MAX_NUM_PIPE) {
+ } else if (pipenum < R8A66597_MAX_NUM_PIPE) {
offset = get_pipectr_addr(pipenum);
r8a66597_bset(r8a66597, SQCLR, offset);
- } else
- printk(KERN_ERR "unexpect pipe num(%d)\n", pipenum);
+ } else {
+ dev_err(r8a66597_to_dev(r8a66597), "unexpect pipe num (%d)\n",
+ pipenum);
+ }
+}
+
+static void control_reg_sqset(struct r8a66597 *r8a66597, u16 pipenum)
+{
+ unsigned long offset;
+
+ pipe_stop(r8a66597, pipenum);
+
+ if (pipenum == 0) {
+ r8a66597_bset(r8a66597, SQSET, DCPCTR);
+ } else if (pipenum < R8A66597_MAX_NUM_PIPE) {
+ offset = get_pipectr_addr(pipenum);
+ r8a66597_bset(r8a66597, SQSET, offset);
+ } else {
+ dev_err(r8a66597_to_dev(r8a66597),
+ "unexpect pipe num(%d)\n", pipenum);
+ }
+}
+
+static u16 control_reg_sqmon(struct r8a66597 *r8a66597, u16 pipenum)
+{
+ unsigned long offset;
+
+ if (pipenum == 0) {
+ return r8a66597_read(r8a66597, DCPCTR) & SQMON;
+ } else if (pipenum < R8A66597_MAX_NUM_PIPE) {
+ offset = get_pipectr_addr(pipenum);
+ return r8a66597_read(r8a66597, offset) & SQMON;
+ } else {
+ dev_err(r8a66597_to_dev(r8a66597),
+ "unexpect pipe num(%d)\n", pipenum);
+ }
+
+ return 0;
+}
+
+static u16 save_usb_toggle(struct r8a66597 *r8a66597, u16 pipenum)
+{
+ return control_reg_sqmon(r8a66597, pipenum);
+}
+
+static void restore_usb_toggle(struct r8a66597 *r8a66597, u16 pipenum,
+ u16 toggle)
+{
+ if (toggle)
+ control_reg_sqset(r8a66597, pipenum);
+ else
+ control_reg_sqclr(r8a66597, pipenum);
}
static inline int get_buffer_size(struct r8a66597 *r8a66597, u16 pipenum)
@@ -222,18 +269,51 @@ static inline unsigned short mbw_value(struct r8a66597 *r8a66597)
return MBW_16;
}
+static void r8a66597_change_curpipe(struct r8a66597 *r8a66597, u16 pipenum,
+ u16 isel, u16 fifosel)
+{
+ u16 tmp, mask, loop;
+ int i = 0;
+
+ if (!pipenum) {
+ mask = ISEL | CURPIPE;
+ loop = isel;
+ } else {
+ mask = CURPIPE;
+ loop = pipenum;
+ }
+ r8a66597_mdfy(r8a66597, loop, mask, fifosel);
+
+ do {
+ tmp = r8a66597_read(r8a66597, fifosel);
+ if (i++ > 1000000) {
+ dev_err(r8a66597_to_dev(r8a66597),
+ "r8a66597: register%x, loop %x "
+ "is timeout\n", fifosel, loop);
+ break;
+ }
+ ndelay(1);
+ } while ((tmp & mask) != loop);
+}
+
static inline void pipe_change(struct r8a66597 *r8a66597, u16 pipenum)
{
struct r8a66597_ep *ep = r8a66597->pipenum2ep[pipenum];
if (ep->use_dma)
- return;
+ r8a66597_bclr(r8a66597, DREQE, ep->fifosel);
r8a66597_mdfy(r8a66597, pipenum, CURPIPE, ep->fifosel);
ndelay(450);
- r8a66597_bset(r8a66597, mbw_value(r8a66597), ep->fifosel);
+ if (r8a66597_is_sudmac(r8a66597) && ep->use_dma)
+ r8a66597_bclr(r8a66597, mbw_value(r8a66597), ep->fifosel);
+ else
+ r8a66597_bset(r8a66597, mbw_value(r8a66597), ep->fifosel);
+
+ if (ep->use_dma)
+ r8a66597_bset(r8a66597, DREQE, ep->fifosel);
}
static int pipe_buffer_setting(struct r8a66597 *r8a66597,
@@ -297,17 +377,18 @@ static void pipe_buffer_release(struct r8a66597 *r8a66597,
if (info->pipe == 0)
return;
- if (is_bulk_pipe(info->pipe))
+ if (is_bulk_pipe(info->pipe)) {
r8a66597->bulk--;
- else if (is_interrupt_pipe(info->pipe))
+ } else if (is_interrupt_pipe(info->pipe)) {
r8a66597->interrupt--;
- else if (is_isoc_pipe(info->pipe)) {
+ } else if (is_isoc_pipe(info->pipe)) {
r8a66597->isochronous--;
if (info->type == R8A66597_BULK)
r8a66597->bulk--;
- } else
- printk(KERN_ERR "ep_release: unexpect pipenum (%d)\n",
- info->pipe);
+ } else {
+ dev_err(r8a66597_to_dev(r8a66597),
+ "ep_release: unexpect pipenum (%d)\n", info->pipe);
+ }
}
static void pipe_initialize(struct r8a66597_ep *ep)
@@ -337,11 +418,17 @@ static void r8a66597_ep_setting(struct r8a66597 *r8a66597,
ep->fifoaddr = CFIFO;
ep->fifosel = CFIFOSEL;
ep->fifoctr = CFIFOCTR;
- ep->fifotrn = 0;
ep->pipectr = get_pipectr_addr(pipenum);
+ if (is_bulk_pipe(pipenum) || is_isoc_pipe(pipenum)) {
+ ep->pipetre = get_pipetre_addr(pipenum);
+ ep->pipetrn = get_pipetrn_addr(pipenum);
+ } else {
+ ep->pipetre = 0;
+ ep->pipetrn = 0;
+ }
ep->pipenum = pipenum;
- ep->ep.maxpacket = le16_to_cpu(desc->wMaxPacketSize);
+ ep->ep.maxpacket = usb_endpoint_maxp(desc);
r8a66597->pipenum2ep[pipenum] = ep;
r8a66597->epaddr2ep[desc->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK]
= ep;
@@ -381,7 +468,8 @@ static int alloc_pipe_config(struct r8a66597_ep *ep,
case USB_ENDPOINT_XFER_BULK:
if (r8a66597->bulk >= R8A66597_MAX_NUM_BULK) {
if (r8a66597->isochronous >= R8A66597_MAX_NUM_ISOC) {
- printk(KERN_ERR "bulk pipe is insufficient\n");
+ dev_err(r8a66597_to_dev(r8a66597),
+ "bulk pipe is insufficient\n");
return -ENODEV;
} else {
info.pipe = R8A66597_BASE_PIPENUM_ISOC
@@ -397,7 +485,8 @@ static int alloc_pipe_config(struct r8a66597_ep *ep,
break;
case USB_ENDPOINT_XFER_INT:
if (r8a66597->interrupt >= R8A66597_MAX_NUM_INT) {
- printk(KERN_ERR "interrupt pipe is insufficient\n");
+ dev_err(r8a66597_to_dev(r8a66597),
+ "interrupt pipe is insufficient\n");
return -ENODEV;
}
info.pipe = R8A66597_BASE_PIPENUM_INT + r8a66597->interrupt;
@@ -406,7 +495,8 @@ static int alloc_pipe_config(struct r8a66597_ep *ep,
break;
case USB_ENDPOINT_XFER_ISOC:
if (r8a66597->isochronous >= R8A66597_MAX_NUM_ISOC) {
- printk(KERN_ERR "isochronous pipe is insufficient\n");
+ dev_err(r8a66597_to_dev(r8a66597),
+ "isochronous pipe is insufficient\n");
return -ENODEV;
}
info.pipe = R8A66597_BASE_PIPENUM_ISOC + r8a66597->isochronous;
@@ -414,13 +504,13 @@ static int alloc_pipe_config(struct r8a66597_ep *ep,
counter = &r8a66597->isochronous;
break;
default:
- printk(KERN_ERR "unexpect xfer type\n");
+ dev_err(r8a66597_to_dev(r8a66597), "unexpect xfer type\n");
return -EINVAL;
}
ep->type = info.type;
info.epnum = desc->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
- info.maxpacket = le16_to_cpu(desc->wMaxPacketSize);
+ info.maxpacket = usb_endpoint_maxp(desc);
info.interval = desc->bInterval;
if (desc->bEndpointAddress & USB_ENDPOINT_DIR_MASK)
info.dir_in = 1;
@@ -429,7 +519,8 @@ static int alloc_pipe_config(struct r8a66597_ep *ep,
ret = pipe_buffer_setting(r8a66597, &info);
if (ret < 0) {
- printk(KERN_ERR "pipe_buffer_setting fail\n");
+ dev_err(r8a66597_to_dev(r8a66597),
+ "pipe_buffer_setting fail\n");
return ret;
}
@@ -495,6 +586,124 @@ static void start_ep0_write(struct r8a66597_ep *ep,
}
}
+static void disable_fifosel(struct r8a66597 *r8a66597, u16 pipenum,
+ u16 fifosel)
+{
+ u16 tmp;
+
+ tmp = r8a66597_read(r8a66597, fifosel) & CURPIPE;
+ if (tmp == pipenum)
+ r8a66597_change_curpipe(r8a66597, 0, 0, fifosel);
+}
+
+static void change_bfre_mode(struct r8a66597 *r8a66597, u16 pipenum,
+ int enable)
+{
+ struct r8a66597_ep *ep = r8a66597->pipenum2ep[pipenum];
+ u16 tmp, toggle;
+
+ /* check current BFRE bit */
+ r8a66597_write(r8a66597, pipenum, PIPESEL);
+ tmp = r8a66597_read(r8a66597, PIPECFG) & R8A66597_BFRE;
+ if ((enable && tmp) || (!enable && !tmp))
+ return;
+
+ /* change BFRE bit */
+ pipe_stop(r8a66597, pipenum);
+ disable_fifosel(r8a66597, pipenum, CFIFOSEL);
+ disable_fifosel(r8a66597, pipenum, D0FIFOSEL);
+ disable_fifosel(r8a66597, pipenum, D1FIFOSEL);
+
+ toggle = save_usb_toggle(r8a66597, pipenum);
+
+ r8a66597_write(r8a66597, pipenum, PIPESEL);
+ if (enable)
+ r8a66597_bset(r8a66597, R8A66597_BFRE, PIPECFG);
+ else
+ r8a66597_bclr(r8a66597, R8A66597_BFRE, PIPECFG);
+
+ /* initialize for internal BFRE flag */
+ r8a66597_bset(r8a66597, ACLRM, ep->pipectr);
+ r8a66597_bclr(r8a66597, ACLRM, ep->pipectr);
+
+ restore_usb_toggle(r8a66597, pipenum, toggle);
+}
+
+static int sudmac_alloc_channel(struct r8a66597 *r8a66597,
+ struct r8a66597_ep *ep,
+ struct r8a66597_request *req)
+{
+ struct r8a66597_dma *dma;
+
+ if (!r8a66597_is_sudmac(r8a66597))
+ return -ENODEV;
+
+ /* Check transfer type */
+ if (!is_bulk_pipe(ep->pipenum))
+ return -EIO;
+
+ if (r8a66597->dma.used)
+ return -EBUSY;
+
+ /* set SUDMAC parameters */
+ dma = &r8a66597->dma;
+ dma->used = 1;
+ if (ep->desc->bEndpointAddress & USB_DIR_IN) {
+ dma->dir = 1;
+ } else {
+ dma->dir = 0;
+ change_bfre_mode(r8a66597, ep->pipenum, 1);
+ }
+
+ /* set r8a66597_ep paramters */
+ ep->use_dma = 1;
+ ep->dma = dma;
+ ep->fifoaddr = D0FIFO;
+ ep->fifosel = D0FIFOSEL;
+ ep->fifoctr = D0FIFOCTR;
+
+ /* dma mapping */
+ req->req.dma = dma_map_single(r8a66597_to_dev(ep->r8a66597),
+ req->req.buf, req->req.length,
+ dma->dir ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
+
+ return 0;
+}
+
+static void sudmac_free_channel(struct r8a66597 *r8a66597,
+ struct r8a66597_ep *ep,
+ struct r8a66597_request *req)
+{
+ if (!r8a66597_is_sudmac(r8a66597))
+ return;
+
+ dma_unmap_single(r8a66597_to_dev(ep->r8a66597),
+ req->req.dma, req->req.length,
+ ep->dma->dir ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
+
+ r8a66597_bclr(r8a66597, DREQE, ep->fifosel);
+ r8a66597_change_curpipe(r8a66597, 0, 0, ep->fifosel);
+
+ ep->dma->used = 0;
+ ep->use_dma = 0;
+ ep->fifoaddr = CFIFO;
+ ep->fifosel = CFIFOSEL;
+ ep->fifoctr = CFIFOCTR;
+}
+
+static void sudmac_start(struct r8a66597 *r8a66597, struct r8a66597_ep *ep,
+ struct r8a66597_request *req)
+{
+ BUG_ON(req->req.length == 0);
+
+ r8a66597_sudmac_write(r8a66597, LBA_WAIT, CH0CFG);
+ r8a66597_sudmac_write(r8a66597, req->req.dma, CH0BA);
+ r8a66597_sudmac_write(r8a66597, req->req.length, CH0BBC);
+ r8a66597_sudmac_write(r8a66597, CH0ENDE, DINTCTRL);
+
+ r8a66597_sudmac_write(r8a66597, DEN, CH0DEN);
+}
+
static void start_packet_write(struct r8a66597_ep *ep,
struct r8a66597_request *req)
{
@@ -505,11 +714,29 @@ static void start_packet_write(struct r8a66597_ep *ep,
disable_irq_empty(r8a66597, ep->pipenum);
pipe_start(r8a66597, ep->pipenum);
- tmp = r8a66597_read(r8a66597, ep->fifoctr);
- if (unlikely((tmp & FRDY) == 0))
- pipe_irq_enable(r8a66597, ep->pipenum);
- else
- irq_packet_write(ep, req);
+ if (req->req.length == 0) {
+ transfer_complete(ep, req, 0);
+ } else {
+ r8a66597_write(r8a66597, ~(1 << ep->pipenum), BRDYSTS);
+ if (sudmac_alloc_channel(r8a66597, ep, req) < 0) {
+ /* PIO mode */
+ pipe_change(r8a66597, ep->pipenum);
+ disable_irq_empty(r8a66597, ep->pipenum);
+ pipe_start(r8a66597, ep->pipenum);
+ tmp = r8a66597_read(r8a66597, ep->fifoctr);
+ if (unlikely((tmp & FRDY) == 0))
+ pipe_irq_enable(r8a66597, ep->pipenum);
+ else
+ irq_packet_write(ep, req);
+ } else {
+ /* DMA mode */
+ pipe_change(r8a66597, ep->pipenum);
+ disable_irq_nrdy(r8a66597, ep->pipenum);
+ pipe_start(r8a66597, ep->pipenum);
+ enable_irq_nrdy(r8a66597, ep->pipenum);
+ sudmac_start(r8a66597, ep, req);
+ }
+ }
}
static void start_packet_read(struct r8a66597_ep *ep,
@@ -524,17 +751,26 @@ static void start_packet_read(struct r8a66597_ep *ep,
pipe_start(r8a66597, pipenum);
pipe_irq_enable(r8a66597, pipenum);
} else {
- if (ep->use_dma) {
- r8a66597_bset(r8a66597, TRCLR, ep->fifosel);
- pipe_change(r8a66597, pipenum);
- r8a66597_bset(r8a66597, TRENB, ep->fifosel);
+ pipe_stop(r8a66597, pipenum);
+ if (ep->pipetre) {
+ enable_irq_nrdy(r8a66597, pipenum);
+ r8a66597_write(r8a66597, TRCLR, ep->pipetre);
r8a66597_write(r8a66597,
- (req->req.length + ep->ep.maxpacket - 1)
- / ep->ep.maxpacket,
- ep->fifotrn);
+ DIV_ROUND_UP(req->req.length, ep->ep.maxpacket),
+ ep->pipetrn);
+ r8a66597_bset(r8a66597, TRENB, ep->pipetre);
+ }
+
+ if (sudmac_alloc_channel(r8a66597, ep, req) < 0) {
+ /* PIO mode */
+ change_bfre_mode(r8a66597, ep->pipenum, 0);
+ pipe_start(r8a66597, pipenum); /* trigger once */
+ pipe_irq_enable(r8a66597, pipenum);
+ } else {
+ pipe_change(r8a66597, pipenum);
+ sudmac_start(r8a66597, ep, req);
+ pipe_start(r8a66597, pipenum); /* trigger once */
}
- pipe_start(r8a66597, pipenum); /* trigger once */
- pipe_irq_enable(r8a66597, pipenum);
}
}
@@ -564,7 +800,8 @@ static void start_ep0(struct r8a66597_ep *ep, struct r8a66597_request *req)
control_end(ep->r8a66597, 0);
break;
default:
- printk(KERN_ERR "start_ep0: unexpect ctsq(%x)\n", ctsq);
+ dev_err(r8a66597_to_dev(ep->r8a66597),
+ "start_ep0: unexpect ctsq(%x)\n", ctsq);
break;
}
}
@@ -690,6 +927,9 @@ __acquires(r8a66597->lock)
if (!list_empty(&ep->queue))
restart = 1;
+ if (ep->use_dma)
+ sudmac_free_channel(ep->r8a66597, ep, req);
+
spin_unlock(&ep->r8a66597->lock);
req->req.complete(&ep->ep, &req->req);
spin_lock(&ep->r8a66597->lock);
@@ -718,7 +958,8 @@ static void irq_ep0_write(struct r8a66597_ep *ep, struct r8a66597_request *req)
do {
tmp = r8a66597_read(r8a66597, ep->fifoctr);
if (i++ > 100000) {
- printk(KERN_ERR "pipe0 is busy. maybe cpu i/o bus"
+ dev_err(r8a66597_to_dev(r8a66597),
+ "pipe0 is busy. maybe cpu i/o bus "
"conflict. please power off this controller.");
return;
}
@@ -733,7 +974,7 @@ static void irq_ep0_write(struct r8a66597_ep *ep, struct r8a66597_request *req)
/* write fifo */
if (req->req.buf) {
if (size > 0)
- r8a66597_write_fifo(r8a66597, ep->fifoaddr, buf, size);
+ r8a66597_write_fifo(r8a66597, ep, buf, size);
if ((size == 0) || ((size % ep->ep.maxpacket) != 0))
r8a66597_bset(r8a66597, BVAL, ep->fifoctr);
}
@@ -769,7 +1010,8 @@ static void irq_packet_write(struct r8a66597_ep *ep,
if (unlikely((tmp & FRDY) == 0)) {
pipe_stop(r8a66597, pipenum);
pipe_irq_disable(r8a66597, pipenum);
- printk(KERN_ERR "write fifo not ready. pipnum=%d\n", pipenum);
+ dev_err(r8a66597_to_dev(r8a66597),
+ "write fifo not ready. pipnum=%d\n", pipenum);
return;
}
@@ -780,7 +1022,7 @@ static void irq_packet_write(struct r8a66597_ep *ep,
/* write fifo */
if (req->req.buf) {
- r8a66597_write_fifo(r8a66597, ep->fifoaddr, buf, size);
+ r8a66597_write_fifo(r8a66597, ep, buf, size);
if ((size == 0)
|| ((size % ep->ep.maxpacket) != 0)
|| ((bufsize != ep->ep.maxpacket)
@@ -819,7 +1061,7 @@ static void irq_packet_read(struct r8a66597_ep *ep,
req->req.status = -EPIPE;
pipe_stop(r8a66597, pipenum);
pipe_irq_disable(r8a66597, pipenum);
- printk(KERN_ERR "read fifo not ready");
+ dev_err(r8a66597_to_dev(r8a66597), "read fifo not ready");
return;
}
@@ -1095,7 +1337,7 @@ static void r8a66597_update_usb_speed(struct r8a66597 *r8a66597)
break;
default:
r8a66597->gadget.speed = USB_SPEED_UNKNOWN;
- printk(KERN_ERR "USB speed unknown\n");
+ dev_err(r8a66597_to_dev(r8a66597), "USB speed unknown\n");
}
}
@@ -1158,11 +1400,71 @@ __acquires(r8a66597->lock)
control_end(r8a66597, 0);
break;
default:
- printk(KERN_ERR "ctrl_stage: unexpect ctsq(%x)\n", ctsq);
+ dev_err(r8a66597_to_dev(r8a66597),
+ "ctrl_stage: unexpect ctsq(%x)\n", ctsq);
break;
}
}
+static void sudmac_finish(struct r8a66597 *r8a66597, struct r8a66597_ep *ep)
+{
+ u16 pipenum;
+ struct r8a66597_request *req;
+ u32 len;
+ int i = 0;
+
+ pipenum = ep->pipenum;
+ pipe_change(r8a66597, pipenum);
+
+ while (!(r8a66597_read(r8a66597, ep->fifoctr) & FRDY)) {
+ udelay(1);
+ if (unlikely(i++ >= 10000)) { /* timeout = 10 msec */
+ dev_err(r8a66597_to_dev(r8a66597),
+ "%s: FRDY was not set (%d)\n",
+ __func__, pipenum);
+ return;
+ }
+ }
+
+ r8a66597_bset(r8a66597, BCLR, ep->fifoctr);
+ req = get_request_from_ep(ep);
+
+ /* prepare parameters */
+ len = r8a66597_sudmac_read(r8a66597, CH0CBC);
+ req->req.actual += len;
+
+ /* clear */
+ r8a66597_sudmac_write(r8a66597, CH0STCLR, DSTSCLR);
+
+ /* check transfer finish */
+ if ((!req->req.zero && (req->req.actual == req->req.length))
+ || (len % ep->ep.maxpacket)) {
+ if (ep->dma->dir) {
+ disable_irq_ready(r8a66597, pipenum);
+ enable_irq_empty(r8a66597, pipenum);
+ } else {
+ /* Clear the interrupt flag for next transfer */
+ r8a66597_write(r8a66597, ~(1 << pipenum), BRDYSTS);
+ transfer_complete(ep, req, 0);
+ }
+ }
+}
+
+static void r8a66597_sudmac_irq(struct r8a66597 *r8a66597)
+{
+ u32 irqsts;
+ struct r8a66597_ep *ep;
+ u16 pipenum;
+
+ irqsts = r8a66597_sudmac_read(r8a66597, DINTSTS);
+ if (irqsts & CH0ENDS) {
+ r8a66597_sudmac_write(r8a66597, CH0ENDC, DINTSTSCLR);
+ pipenum = (r8a66597_read(r8a66597, D0FIFOSEL) & CURPIPE);
+ ep = r8a66597->pipenum2ep[pipenum];
+ sudmac_finish(r8a66597, ep);
+ }
+}
+
static irqreturn_t r8a66597_irq(int irq, void *_r8a66597)
{
struct r8a66597 *r8a66597 = _r8a66597;
@@ -1173,6 +1475,9 @@ static irqreturn_t r8a66597_irq(int irq, void *_r8a66597)
u16 savepipe;
u16 mask0;
+ if (r8a66597_is_sudmac(r8a66597))
+ r8a66597_sudmac_irq(r8a66597);
+
spin_lock(&r8a66597->lock);
intsts0 = r8a66597_read(r8a66597, INTSTS0);
@@ -1433,23 +1738,18 @@ static struct usb_ep_ops r8a66597_ep_ops = {
};
/*-------------------------------------------------------------------------*/
-static struct r8a66597 *the_controller;
-
-static int r8a66597_start(struct usb_gadget_driver *driver,
- int (*bind)(struct usb_gadget *))
+static int r8a66597_start(struct usb_gadget *gadget,
+ struct usb_gadget_driver *driver)
{
- struct r8a66597 *r8a66597 = the_controller;
+ struct r8a66597 *r8a66597 = gadget_to_r8a66597(gadget);
int retval;
if (!driver
|| driver->speed != USB_SPEED_HIGH
- || !bind
|| !driver->setup)
return -EINVAL;
if (!r8a66597)
return -ENODEV;
- if (r8a66597->driver)
- return -EBUSY;
/* hook up the driver */
driver->driver.bus = NULL;
@@ -1458,14 +1758,8 @@ static int r8a66597_start(struct usb_gadget_driver *driver,
retval = device_add(&r8a66597->gadget.dev);
if (retval) {
- printk(KERN_ERR "device_add error (%d)\n", retval);
- goto error;
- }
-
- retval = bind(&r8a66597->gadget);
- if (retval) {
- printk(KERN_ERR "bind to driver error (%d)\n", retval);
- device_del(&r8a66597->gadget.dev);
+ dev_err(r8a66597_to_dev(r8a66597), "device_add error (%d)\n",
+ retval);
goto error;
}
@@ -1489,23 +1783,17 @@ error:
return retval;
}
-static int r8a66597_stop(struct usb_gadget_driver *driver)
+static int r8a66597_stop(struct usb_gadget *gadget,
+ struct usb_gadget_driver *driver)
{
- struct r8a66597 *r8a66597 = the_controller;
+ struct r8a66597 *r8a66597 = gadget_to_r8a66597(gadget);
unsigned long flags;
- if (driver != r8a66597->driver || !driver->unbind)
- return -EINVAL;
-
spin_lock_irqsave(&r8a66597->lock, flags);
- if (r8a66597->gadget.speed != USB_SPEED_UNKNOWN)
- r8a66597_usb_disconnect(r8a66597);
r8a66597_bclr(r8a66597, VBSE, INTENB0);
disable_controller(r8a66597);
spin_unlock_irqrestore(&r8a66597->lock, flags);
- driver->unbind(&r8a66597->gadget);
-
device_del(&r8a66597->gadget.dev);
r8a66597->driver = NULL;
return 0;
@@ -1535,8 +1823,8 @@ static int r8a66597_pullup(struct usb_gadget *gadget, int is_on)
static struct usb_gadget_ops r8a66597_gadget_ops = {
.get_frame = r8a66597_get_frame,
- .start = r8a66597_start,
- .stop = r8a66597_stop,
+ .udc_start = r8a66597_start,
+ .udc_stop = r8a66597_stop,
.pullup = r8a66597_pullup,
};
@@ -1547,6 +1835,8 @@ static int __exit r8a66597_remove(struct platform_device *pdev)
usb_del_gadget_udc(&r8a66597->gadget);
del_timer_sync(&r8a66597->timer);
iounmap(r8a66597->reg);
+ if (r8a66597->pdata->sudmac)
+ iounmap(r8a66597->sudmac_reg);
free_irq(platform_get_irq(pdev, 0), r8a66597);
r8a66597_free_request(&r8a66597->ep[0].ep, r8a66597->ep0_req);
#ifdef CONFIG_HAVE_CLK
@@ -1563,6 +1853,26 @@ static void nop_completion(struct usb_ep *ep, struct usb_request *r)
{
}
+static int __init r8a66597_sudmac_ioremap(struct r8a66597 *r8a66597,
+ struct platform_device *pdev)
+{
+ struct resource *res;
+
+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "sudmac");
+ if (!res) {
+ dev_err(&pdev->dev, "platform_get_resource error(sudmac).\n");
+ return -ENODEV;
+ }
+
+ r8a66597->sudmac_reg = ioremap(res->start, resource_size(res));
+ if (r8a66597->sudmac_reg == NULL) {
+ dev_err(&pdev->dev, "ioremap error(sudmac).\n");
+ return -ENOMEM;
+ }
+
+ return 0;
+}
+
static int __init r8a66597_probe(struct platform_device *pdev)
{
#ifdef CONFIG_HAVE_CLK
@@ -1579,7 +1889,7 @@ static int __init r8a66597_probe(struct platform_device *pdev)
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
ret = -ENODEV;
- printk(KERN_ERR "platform_get_resource error.\n");
+ dev_err(&pdev->dev, "platform_get_resource error.\n");
goto clean_up;
}
@@ -1589,14 +1899,14 @@ static int __init r8a66597_probe(struct platform_device *pdev)
if (irq < 0) {
ret = -ENODEV;
- printk(KERN_ERR "platform_get_irq error.\n");
+ dev_err(&pdev->dev, "platform_get_irq error.\n");
goto clean_up;
}
reg = ioremap(res->start, resource_size(res));
if (reg == NULL) {
ret = -ENOMEM;
- printk(KERN_ERR "ioremap error.\n");
+ dev_err(&pdev->dev, "ioremap error.\n");
goto clean_up;
}
@@ -1604,7 +1914,7 @@ static int __init r8a66597_probe(struct platform_device *pdev)
r8a66597 = kzalloc(sizeof(struct r8a66597), GFP_KERNEL);
if (r8a66597 == NULL) {
ret = -ENOMEM;
- printk(KERN_ERR "kzalloc error\n");
+ dev_err(&pdev->dev, "kzalloc error\n");
goto clean_up;
}
@@ -1640,13 +1950,18 @@ static int __init r8a66597_probe(struct platform_device *pdev)
clk_enable(r8a66597->clk);
}
#endif
+ if (r8a66597->pdata->sudmac) {
+ ret = r8a66597_sudmac_ioremap(r8a66597, pdev);
+ if (ret < 0)
+ goto clean_up2;
+ }
disable_controller(r8a66597); /* make sure controller is disabled */
- ret = request_irq(irq, r8a66597_irq, IRQF_DISABLED | IRQF_SHARED,
+ ret = request_irq(irq, r8a66597_irq, IRQF_SHARED,
udc_name, r8a66597);
if (ret < 0) {
- printk(KERN_ERR "request_irq error (%d)\n", ret);
+ dev_err(&pdev->dev, "request_irq error (%d)\n", ret);
goto clean_up2;
}
@@ -1672,13 +1987,10 @@ static int __init r8a66597_probe(struct platform_device *pdev)
r8a66597->ep[0].fifoaddr = CFIFO;
r8a66597->ep[0].fifosel = CFIFOSEL;
r8a66597->ep[0].fifoctr = CFIFOCTR;
- r8a66597->ep[0].fifotrn = 0;
r8a66597->ep[0].pipectr = get_pipectr_addr(0);
r8a66597->pipenum2ep[0] = &r8a66597->ep[0];
r8a66597->epaddr2ep[0] = &r8a66597->ep[0];
- the_controller = r8a66597;
-
r8a66597->ep0_req = r8a66597_alloc_request(&r8a66597->ep[0].ep,
GFP_KERNEL);
if (r8a66597->ep0_req == NULL)
@@ -1705,6 +2017,8 @@ clean_up2:
#endif
clean_up:
if (r8a66597) {
+ if (r8a66597->sudmac_reg)
+ iounmap(r8a66597->sudmac_reg);
if (r8a66597->ep0_req)
r8a66597_free_request(&r8a66597->ep[0].ep,
r8a66597->ep0_req);
diff --git a/drivers/usb/gadget/r8a66597-udc.h b/drivers/usb/gadget/r8a66597-udc.h
index 503f766c23a7..8e3de61cd4b8 100644
--- a/drivers/usb/gadget/r8a66597-udc.h
+++ b/drivers/usb/gadget/r8a66597-udc.h
@@ -8,16 +8,6 @@
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- *
*/
#ifndef __R8A66597_H__
@@ -53,6 +43,7 @@
((pipenum >= R8A66597_BASE_PIPENUM_ISOC) && \
(pipenum < (R8A66597_BASE_PIPENUM_ISOC + R8A66597_MAX_NUM_ISOC)))
+#define r8a66597_is_sudmac(r8a66597) (r8a66597->pdata->sudmac)
struct r8a66597_pipe_info {
u16 pipe;
u16 epnum;
@@ -70,6 +61,7 @@ struct r8a66597_request {
struct r8a66597_ep {
struct usb_ep ep;
struct r8a66597 *r8a66597;
+ struct r8a66597_dma *dma;
struct list_head queue;
unsigned busy:1;
@@ -85,13 +77,20 @@ struct r8a66597_ep {
unsigned char fifoaddr;
unsigned char fifosel;
unsigned char fifoctr;
- unsigned char fifotrn;
unsigned char pipectr;
+ unsigned char pipetre;
+ unsigned char pipetrn;
+};
+
+struct r8a66597_dma {
+ unsigned used:1;
+ unsigned dir:1; /* 1 = IN(write), 0 = OUT(read) */
};
struct r8a66597 {
spinlock_t lock;
void __iomem *reg;
+ void __iomem *sudmac_reg;
#ifdef CONFIG_HAVE_CLK
struct clk *clk;
@@ -104,6 +103,7 @@ struct r8a66597 {
struct r8a66597_ep ep[R8A66597_MAX_NUM_PIPE];
struct r8a66597_ep *pipenum2ep[R8A66597_MAX_NUM_PIPE];
struct r8a66597_ep *epaddr2ep[16];
+ struct r8a66597_dma dma;
struct timer_list timer;
struct usb_request *ep0_req; /* for internal request */
@@ -124,6 +124,7 @@ struct r8a66597 {
#define gadget_to_r8a66597(_gadget) \
container_of(_gadget, struct r8a66597, gadget)
#define r8a66597_to_gadget(r8a66597) (&r8a66597->gadget)
+#define r8a66597_to_dev(r8a66597) (r8a66597->gadget.dev.parent)
static inline u16 r8a66597_read(struct r8a66597 *r8a66597, unsigned long offset)
{
@@ -182,12 +183,27 @@ static inline void r8a66597_write(struct r8a66597 *r8a66597, u16 val,
iowrite16(val, r8a66597->reg + offset);
}
+static inline void r8a66597_mdfy(struct r8a66597 *r8a66597,
+ u16 val, u16 pat, unsigned long offset)
+{
+ u16 tmp;
+ tmp = r8a66597_read(r8a66597, offset);
+ tmp = tmp & (~pat);
+ tmp = tmp | val;
+ r8a66597_write(r8a66597, tmp, offset);
+}
+
+#define r8a66597_bclr(r8a66597, val, offset) \
+ r8a66597_mdfy(r8a66597, 0, val, offset)
+#define r8a66597_bset(r8a66597, val, offset) \
+ r8a66597_mdfy(r8a66597, val, 0, offset)
+
static inline void r8a66597_write_fifo(struct r8a66597 *r8a66597,
- unsigned long offset,
+ struct r8a66597_ep *ep,
unsigned char *buf,
int len)
{
- void __iomem *fifoaddr = r8a66597->reg + offset;
+ void __iomem *fifoaddr = r8a66597->reg + ep->fifoaddr;
int adj = 0;
int i;
@@ -215,18 +231,12 @@ static inline void r8a66597_write_fifo(struct r8a66597 *r8a66597,
adj = 0x01; /* 16-bit wide */
}
+ if (r8a66597->pdata->wr0_shorted_to_wr1)
+ r8a66597_bclr(r8a66597, MBW_16, ep->fifosel);
for (i = 0; i < len; i++)
iowrite8(buf[i], fifoaddr + adj - (i & adj));
-}
-
-static inline void r8a66597_mdfy(struct r8a66597 *r8a66597,
- u16 val, u16 pat, unsigned long offset)
-{
- u16 tmp;
- tmp = r8a66597_read(r8a66597, offset);
- tmp = tmp & (~pat);
- tmp = tmp | val;
- r8a66597_write(r8a66597, tmp, offset);
+ if (r8a66597->pdata->wr0_shorted_to_wr1)
+ r8a66597_bclr(r8a66597, MBW_16, ep->fifosel);
}
static inline u16 get_xtal_from_pdata(struct r8a66597_platdata *pdata)
@@ -251,12 +261,21 @@ static inline u16 get_xtal_from_pdata(struct r8a66597_platdata *pdata)
return clock;
}
-#define r8a66597_bclr(r8a66597, val, offset) \
- r8a66597_mdfy(r8a66597, 0, val, offset)
-#define r8a66597_bset(r8a66597, val, offset) \
- r8a66597_mdfy(r8a66597, val, 0, offset)
+static inline u32 r8a66597_sudmac_read(struct r8a66597 *r8a66597,
+ unsigned long offset)
+{
+ return ioread32(r8a66597->sudmac_reg + offset);
+}
+
+static inline void r8a66597_sudmac_write(struct r8a66597 *r8a66597, u32 val,
+ unsigned long offset)
+{
+ iowrite32(val, r8a66597->sudmac_reg + offset);
+}
#define get_pipectr_addr(pipenum) (PIPE1CTR + (pipenum - 1) * 2)
+#define get_pipetre_addr(pipenum) (PIPE1TRE + (pipenum - 1) * 4)
+#define get_pipetrn_addr(pipenum) (PIPE1TRN + (pipenum - 1) * 4)
#define enable_irq_ready(r8a66597, pipenum) \
enable_pipe_irq(r8a66597, pipenum, BRDYENB)
diff --git a/drivers/usb/gadget/s3c-hsotg.c b/drivers/usb/gadget/s3c-hsotg.c
index 8bdee67ce09a..a552453dc946 100644
--- a/drivers/usb/gadget/s3c-hsotg.c
+++ b/drivers/usb/gadget/s3c-hsotg.c
@@ -1951,30 +1951,26 @@ static void s3c_hsotg_irq_enumdone(struct s3c_hsotg *hsotg)
case S3C_DSTS_EnumSpd_FS:
case S3C_DSTS_EnumSpd_FS48:
hsotg->gadget.speed = USB_SPEED_FULL;
- dev_info(hsotg->dev, "new device is full-speed\n");
-
ep0_mps = EP0_MPS_LIMIT;
ep_mps = 64;
break;
case S3C_DSTS_EnumSpd_HS:
- dev_info(hsotg->dev, "new device is high-speed\n");
hsotg->gadget.speed = USB_SPEED_HIGH;
-
ep0_mps = EP0_MPS_LIMIT;
ep_mps = 512;
break;
case S3C_DSTS_EnumSpd_LS:
hsotg->gadget.speed = USB_SPEED_LOW;
- dev_info(hsotg->dev, "new device is low-speed\n");
-
/* note, we don't actually support LS in this driver at the
* moment, and the documentation seems to imply that it isn't
* supported by the PHYs on some of the devices.
*/
break;
}
+ dev_info(hsotg->dev, "new device is %s\n",
+ usb_speed_string(hsotg->gadget.speed));
/* we should now know the maximum packet size for an
* endpoint, so set the endpoints to a default value. */
@@ -2297,7 +2293,7 @@ static int s3c_hsotg_ep_enable(struct usb_ep *ep,
return -EINVAL;
}
- mps = le16_to_cpu(desc->wMaxPacketSize);
+ mps = usb_endpoint_maxp(desc);
/* note, we handle this here instead of s3c_hsotg_set_ep_maxpacket */
diff --git a/drivers/usb/gadget/s3c-hsudc.c b/drivers/usb/gadget/s3c-hsudc.c
index 3fa717c5f4bc..8d54f893cefe 100644
--- a/drivers/usb/gadget/s3c-hsudc.c
+++ b/drivers/usb/gadget/s3c-hsudc.c
@@ -26,6 +26,7 @@
#include <linux/clk.h>
#include <linux/usb/ch9.h>
#include <linux/usb/gadget.h>
+#include <linux/usb/otg.h>
#include <linux/prefetch.h>
#include <mach/regs-s3c2443-clock.h>
@@ -137,6 +138,7 @@ struct s3c_hsudc {
struct usb_gadget_driver *driver;
struct device *dev;
struct s3c24xx_hsudc_platdata *pd;
+ struct otg_transceiver *transceiver;
spinlock_t lock;
void __iomem *regs;
struct resource *mem_rsrc;
@@ -759,11 +761,11 @@ static int s3c_hsudc_ep_enable(struct usb_ep *_ep,
if (!_ep || !desc || hsep->desc || _ep->name == ep0name
|| desc->bDescriptorType != USB_DT_ENDPOINT
|| hsep->bEndpointAddress != desc->bEndpointAddress
- || ep_maxpacket(hsep) < le16_to_cpu(desc->wMaxPacketSize))
+ || ep_maxpacket(hsep) < usb_endpoint_maxp(desc))
return -EINVAL;
if ((desc->bmAttributes == USB_ENDPOINT_XFER_BULK
- && le16_to_cpu(desc->wMaxPacketSize) != ep_maxpacket(hsep))
+ && usb_endpoint_maxp(desc) != ep_maxpacket(hsep))
|| !desc->wMaxPacketSize)
return -ERANGE;
@@ -779,7 +781,7 @@ static int s3c_hsudc_ep_enable(struct usb_ep *_ep,
hsep->stopped = hsep->wedge = 0;
hsep->desc = desc;
- hsep->ep.maxpacket = le16_to_cpu(desc->wMaxPacketSize);
+ hsep->ep.maxpacket = usb_endpoint_maxp(desc);
s3c_hsudc_set_halt(_ep, 0);
__set_bit(ep_index(hsep), hsudc->regs + S3C_EIER);
@@ -1171,6 +1173,22 @@ static int s3c_hsudc_start(struct usb_gadget_driver *driver,
return ret;
}
+ /* connect to bus through transceiver */
+ if (hsudc->transceiver) {
+ ret = otg_set_peripheral(hsudc->transceiver, &hsudc->gadget);
+ if (ret) {
+ dev_err(hsudc->dev, "%s: can't bind to transceiver\n",
+ hsudc->gadget.name);
+ driver->unbind(&hsudc->gadget);
+
+ device_del(&hsudc->gadget.dev);
+
+ hsudc->driver = NULL;
+ hsudc->gadget.dev.driver = NULL;
+ return ret;
+ }
+ }
+
enable_irq(hsudc->irq);
dev_info(hsudc->dev, "bound driver %s\n", driver->driver.name);
@@ -1201,6 +1219,9 @@ static int s3c_hsudc_stop(struct usb_gadget_driver *driver)
s3c_hsudc_stop_activity(hsudc, driver);
spin_unlock_irqrestore(&hsudc->lock, flags);
+ if (hsudc->transceiver)
+ (void) otg_set_peripheral(hsudc->transceiver, NULL);
+
driver->unbind(&hsudc->gadget);
device_del(&hsudc->gadget.dev);
disable_irq(hsudc->irq);
@@ -1220,10 +1241,24 @@ static int s3c_hsudc_gadget_getframe(struct usb_gadget *gadget)
return s3c_hsudc_read_frameno(to_hsudc(gadget));
}
+static int s3c_hsudc_vbus_draw(struct usb_gadget *gadget, unsigned mA)
+{
+ struct s3c_hsudc *hsudc = the_controller;
+
+ if (!hsudc)
+ return -ENODEV;
+
+ if (hsudc->transceiver)
+ return otg_set_power(hsudc->transceiver, mA);
+
+ return -EOPNOTSUPP;
+}
+
static struct usb_gadget_ops s3c_hsudc_gadget_ops = {
.get_frame = s3c_hsudc_gadget_getframe,
.start = s3c_hsudc_start,
.stop = s3c_hsudc_stop,
+ .vbus_draw = s3c_hsudc_vbus_draw,
};
static int s3c_hsudc_probe(struct platform_device *pdev)
@@ -1247,6 +1282,8 @@ static int s3c_hsudc_probe(struct platform_device *pdev)
hsudc->dev = dev;
hsudc->pd = pdev->dev.platform_data;
+ hsudc->transceiver = otg_get_transceiver();
+
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(dev, "unable to obtain driver resource data\n");
@@ -1269,19 +1306,6 @@ static int s3c_hsudc_probe(struct platform_device *pdev)
goto err_remap;
}
- ret = platform_get_irq(pdev, 0);
- if (ret < 0) {
- dev_err(dev, "unable to obtain IRQ number\n");
- goto err_irq;
- }
- hsudc->irq = ret;
-
- ret = request_irq(hsudc->irq, s3c_hsudc_irq, 0, driver_name, hsudc);
- if (ret < 0) {
- dev_err(dev, "irq request failed\n");
- goto err_irq;
- }
-
spin_lock_init(&hsudc->lock);
device_initialize(&hsudc->gadget.dev);
@@ -1299,6 +1323,19 @@ static int s3c_hsudc_probe(struct platform_device *pdev)
s3c_hsudc_setup_ep(hsudc);
+ ret = platform_get_irq(pdev, 0);
+ if (ret < 0) {
+ dev_err(dev, "unable to obtain IRQ number\n");
+ goto err_irq;
+ }
+ hsudc->irq = ret;
+
+ ret = request_irq(hsudc->irq, s3c_hsudc_irq, 0, driver_name, hsudc);
+ if (ret < 0) {
+ dev_err(dev, "irq request failed\n");
+ goto err_irq;
+ }
+
hsudc->uclk = clk_get(&pdev->dev, "usb-device");
if (IS_ERR(hsudc->uclk)) {
dev_err(dev, "failed to find usb-device clock source\n");
diff --git a/drivers/usb/gadget/s3c2410_udc.c b/drivers/usb/gadget/s3c2410_udc.c
index 8d31848aab09..b8643771fa80 100644
--- a/drivers/usb/gadget/s3c2410_udc.c
+++ b/drivers/usb/gadget/s3c2410_udc.c
@@ -10,16 +10,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
*/
#include <linux/module.h>
@@ -1082,7 +1072,7 @@ static int s3c2410_udc_ep_enable(struct usb_ep *_ep,
if (!dev->driver || dev->gadget.speed == USB_SPEED_UNKNOWN)
return -ESHUTDOWN;
- max = le16_to_cpu(desc->wMaxPacketSize) & 0x1fff;
+ max = usb_endpoint_maxp(desc) & 0x1fff;
local_irq_save (flags);
_ep->maxpacket = max & 0x7ff;
@@ -1903,7 +1893,7 @@ static int s3c2410_udc_probe(struct platform_device *pdev)
/* irq setup after old hardware state is cleaned up */
retval = request_irq(IRQ_USBD, s3c2410_udc_irq,
- IRQF_DISABLED, gadget_name, udc);
+ 0, gadget_name, udc);
if (retval != 0) {
dev_err(dev, "cannot get irq %i, err %d\n", IRQ_USBD, retval);
@@ -1927,7 +1917,7 @@ static int s3c2410_udc_probe(struct platform_device *pdev)
}
retval = request_irq(irq, s3c2410_udc_vbus_irq,
- IRQF_DISABLED | IRQF_TRIGGER_RISING
+ IRQF_TRIGGER_RISING
| IRQF_TRIGGER_FALLING | IRQF_SHARED,
gadget_name, udc);
diff --git a/drivers/usb/gadget/s3c2410_udc.h b/drivers/usb/gadget/s3c2410_udc.h
index 9e0bece4f241..a48f619cb1cc 100644
--- a/drivers/usb/gadget/s3c2410_udc.h
+++ b/drivers/usb/gadget/s3c2410_udc.h
@@ -9,16 +9,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
*/
#ifndef _S3C2410_UDC_H
diff --git a/drivers/usb/gadget/storage_common.c b/drivers/usb/gadget/storage_common.c
index d3dd227a2bfc..c7f291a331df 100644
--- a/drivers/usb/gadget/storage_common.c
+++ b/drivers/usb/gadget/storage_common.c
@@ -9,15 +9,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
@@ -52,6 +43,12 @@
* characters rather then a pointer to void.
*/
+/*
+ * When USB_GADGET_DEBUG_FILES is defined the module param num_buffers
+ * sets the number of pipeline buffers (length of the fsg_buffhd array).
+ * The valid range of num_buffers is: num >= 2 && num <= 4.
+ */
+
#include <linux/usb/storage.h>
#include <scsi/scsi.h>
@@ -247,6 +244,8 @@ struct fsg_lun {
u32 sense_data_info;
u32 unit_attention_data;
+ unsigned int blkbits; /* Bits of logical block size of bound block device */
+ unsigned int blksize; /* logical block size of bound block device */
struct device dev;
};
@@ -262,8 +261,31 @@ static struct fsg_lun *fsg_lun_from_dev(struct device *dev)
#define EP0_BUFSIZE 256
#define DELAYED_STATUS (EP0_BUFSIZE + 999) /* An impossibly large value */
-/* Number of buffers we will use. 2 is enough for double-buffering */
-#define FSG_NUM_BUFFERS 2
+#ifdef CONFIG_USB_GADGET_DEBUG_FILES
+
+static unsigned int fsg_num_buffers = CONFIG_USB_GADGET_STORAGE_NUM_BUFFERS;
+module_param_named(num_buffers, fsg_num_buffers, uint, S_IRUGO);
+MODULE_PARM_DESC(num_buffers, "Number of pipeline buffers");
+
+#else
+
+/*
+ * Number of buffers we will use.
+ * 2 is usually enough for good buffering pipeline
+ */
+#define fsg_num_buffers CONFIG_USB_GADGET_STORAGE_NUM_BUFFERS
+
+#endif /* CONFIG_USB_DEBUG */
+
+/* check if fsg_num_buffers is within a valid range */
+static inline int fsg_num_buffers_validate(void)
+{
+ if (fsg_num_buffers >= 2 && fsg_num_buffers <= 4)
+ return 0;
+ pr_err("fsg_num_buffers %u is out of range (%d to %d)\n",
+ fsg_num_buffers, 2 ,4);
+ return -EINVAL;
+}
/* Default size of buffer length. */
#define FSG_BUFLEN ((u32)16384)
@@ -493,12 +515,128 @@ static struct usb_descriptor_header *fsg_hs_function[] = {
NULL,
};
+static struct usb_endpoint_descriptor
+fsg_ss_bulk_in_desc = {
+ .bLength = USB_DT_ENDPOINT_SIZE,
+ .bDescriptorType = USB_DT_ENDPOINT,
+
+ /* bEndpointAddress copied from fs_bulk_in_desc during fsg_bind() */
+ .bmAttributes = USB_ENDPOINT_XFER_BULK,
+ .wMaxPacketSize = cpu_to_le16(1024),
+};
+
+static struct usb_ss_ep_comp_descriptor fsg_ss_bulk_in_comp_desc = {
+ .bLength = sizeof(fsg_ss_bulk_in_comp_desc),
+ .bDescriptorType = USB_DT_SS_ENDPOINT_COMP,
+
+ /*.bMaxBurst = DYNAMIC, */
+};
+
+static struct usb_endpoint_descriptor
+fsg_ss_bulk_out_desc = {
+ .bLength = USB_DT_ENDPOINT_SIZE,
+ .bDescriptorType = USB_DT_ENDPOINT,
+
+ /* bEndpointAddress copied from fs_bulk_out_desc during fsg_bind() */
+ .bmAttributes = USB_ENDPOINT_XFER_BULK,
+ .wMaxPacketSize = cpu_to_le16(1024),
+};
+
+static struct usb_ss_ep_comp_descriptor fsg_ss_bulk_out_comp_desc = {
+ .bLength = sizeof(fsg_ss_bulk_in_comp_desc),
+ .bDescriptorType = USB_DT_SS_ENDPOINT_COMP,
+
+ /*.bMaxBurst = DYNAMIC, */
+};
+
+#ifndef FSG_NO_INTR_EP
+
+static struct usb_endpoint_descriptor
+fsg_ss_intr_in_desc = {
+ .bLength = USB_DT_ENDPOINT_SIZE,
+ .bDescriptorType = USB_DT_ENDPOINT,
+
+ /* bEndpointAddress copied from fs_intr_in_desc during fsg_bind() */
+ .bmAttributes = USB_ENDPOINT_XFER_INT,
+ .wMaxPacketSize = cpu_to_le16(2),
+ .bInterval = 9, /* 2**(9-1) = 256 uframes -> 32 ms */
+};
+
+static struct usb_ss_ep_comp_descriptor fsg_ss_intr_in_comp_desc = {
+ .bLength = sizeof(fsg_ss_bulk_in_comp_desc),
+ .bDescriptorType = USB_DT_SS_ENDPOINT_COMP,
+
+ .wBytesPerInterval = cpu_to_le16(2),
+};
+
+#ifndef FSG_NO_OTG
+# define FSG_SS_FUNCTION_PRE_EP_ENTRIES 2
+#else
+# define FSG_SS_FUNCTION_PRE_EP_ENTRIES 1
+#endif
+
+#endif
+
+static __maybe_unused struct usb_ext_cap_descriptor fsg_ext_cap_desc = {
+ .bLength = USB_DT_USB_EXT_CAP_SIZE,
+ .bDescriptorType = USB_DT_DEVICE_CAPABILITY,
+ .bDevCapabilityType = USB_CAP_TYPE_EXT,
+
+ .bmAttributes = cpu_to_le32(USB_LPM_SUPPORT),
+};
+
+static __maybe_unused struct usb_ss_cap_descriptor fsg_ss_cap_desc = {
+ .bLength = USB_DT_USB_SS_CAP_SIZE,
+ .bDescriptorType = USB_DT_DEVICE_CAPABILITY,
+ .bDevCapabilityType = USB_SS_CAP_TYPE,
+
+ /* .bmAttributes = LTM is not supported yet */
+
+ .wSpeedSupported = cpu_to_le16(USB_LOW_SPEED_OPERATION
+ | USB_FULL_SPEED_OPERATION
+ | USB_HIGH_SPEED_OPERATION
+ | USB_5GBPS_OPERATION),
+ .bFunctionalitySupport = USB_LOW_SPEED_OPERATION,
+ .bU1devExitLat = USB_DEFAULT_U1_DEV_EXIT_LAT,
+ .bU2DevExitLat = USB_DEFAULT_U2_DEV_EXIT_LAT,
+};
+
+static __maybe_unused struct usb_bos_descriptor fsg_bos_desc = {
+ .bLength = USB_DT_BOS_SIZE,
+ .bDescriptorType = USB_DT_BOS,
+
+ .wTotalLength = USB_DT_BOS_SIZE
+ + USB_DT_USB_EXT_CAP_SIZE
+ + USB_DT_USB_SS_CAP_SIZE,
+
+ .bNumDeviceCaps = 2,
+};
+
+static struct usb_descriptor_header *fsg_ss_function[] = {
+#ifndef FSG_NO_OTG
+ (struct usb_descriptor_header *) &fsg_otg_desc,
+#endif
+ (struct usb_descriptor_header *) &fsg_intf_desc,
+ (struct usb_descriptor_header *) &fsg_ss_bulk_in_desc,
+ (struct usb_descriptor_header *) &fsg_ss_bulk_in_comp_desc,
+ (struct usb_descriptor_header *) &fsg_ss_bulk_out_desc,
+ (struct usb_descriptor_header *) &fsg_ss_bulk_out_comp_desc,
+#ifndef FSG_NO_INTR_EP
+ (struct usb_descriptor_header *) &fsg_ss_intr_in_desc,
+ (struct usb_descriptor_header *) &fsg_ss_intr_in_comp_desc,
+#endif
+ NULL,
+};
+
/* Maxpacket and other transfer characteristics vary by speed. */
static __maybe_unused struct usb_endpoint_descriptor *
fsg_ep_desc(struct usb_gadget *g, struct usb_endpoint_descriptor *fs,
- struct usb_endpoint_descriptor *hs)
+ struct usb_endpoint_descriptor *hs,
+ struct usb_endpoint_descriptor *ss)
{
- if (gadget_is_dualspeed(g) && g->speed == USB_SPEED_HIGH)
+ if (gadget_is_superspeed(g) && g->speed == USB_SPEED_SUPER)
+ return ss;
+ else if (gadget_is_dualspeed(g) && g->speed == USB_SPEED_HIGH)
return hs;
return fs;
}
@@ -580,13 +718,24 @@ static int fsg_lun_open(struct fsg_lun *curlun, const char *filename)
rc = (int) size;
goto out;
}
- num_sectors = size >> 9; /* File size in 512-byte blocks */
+
+ if (curlun->cdrom) {
+ curlun->blksize = 2048;
+ curlun->blkbits = 11;
+ } else if (inode->i_bdev) {
+ curlun->blksize = bdev_logical_block_size(inode->i_bdev);
+ curlun->blkbits = blksize_bits(curlun->blksize);
+ } else {
+ curlun->blksize = 512;
+ curlun->blkbits = 9;
+ }
+
+ num_sectors = size >> curlun->blkbits; /* File size in logic-block-size blocks */
min_sectors = 1;
if (curlun->cdrom) {
- num_sectors &= ~3; /* Reduce to a multiple of 2048 */
- min_sectors = 300*4; /* Smallest track is 300 frames */
- if (num_sectors >= 256*60*75*4) {
- num_sectors = (256*60*75 - 1) * 4;
+ min_sectors = 300; /* Smallest track is 300 frames */
+ if (num_sectors >= 256*60*75) {
+ num_sectors = 256*60*75 - 1;
LINFO(curlun, "file too big: %s\n", filename);
LINFO(curlun, "using only first %d blocks\n",
(int) num_sectors);
diff --git a/drivers/usb/gadget/u_ether.c b/drivers/usb/gadget/u_ether.c
index dfed4c1d96c0..29c854bbca44 100644
--- a/drivers/usb/gadget/u_ether.c
+++ b/drivers/usb/gadget/u_ether.c
@@ -9,15 +9,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* #define VERBOSE_DEBUG */
diff --git a/drivers/usb/gadget/u_ether.h b/drivers/usb/gadget/u_ether.h
index c966440ddd70..8012357e98aa 100644
--- a/drivers/usb/gadget/u_ether.h
+++ b/drivers/usb/gadget/u_ether.h
@@ -9,15 +9,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __U_ETHER_H
diff --git a/drivers/usb/gadget/u_serial.c b/drivers/usb/gadget/u_serial.c
index a8aa46962d81..3a4a664bab44 100644
--- a/drivers/usb/gadget/u_serial.c
+++ b/drivers/usb/gadget/u_serial.c
@@ -552,9 +552,8 @@ recycle:
/* Push from tty to ldisc; without low_latency set this is handled by
* a workqueue, so we won't get callbacks and can hold port_lock
*/
- if (tty && do_push) {
+ if (tty && do_push)
tty_flip_buffer_push(tty);
- }
/* We want our data queue to become empty ASAP, keeping data
diff --git a/drivers/usb/gadget/udc-core.c b/drivers/usb/gadget/udc-core.c
index 05ba47214361..022baeca7c94 100644
--- a/drivers/usb/gadget/udc-core.c
+++ b/drivers/usb/gadget/udc-core.c
@@ -356,7 +356,7 @@ static DEVICE_ATTR(srp, S_IWUSR, NULL, usb_udc_srp_store);
static ssize_t usb_udc_softconn_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t n)
{
- struct usb_udc *udc = dev_get_drvdata(dev);
+ struct usb_udc *udc = container_of(dev, struct usb_udc, dev);
if (sysfs_streq(buf, "connect")) {
usb_gadget_connect(udc->gadget);
@@ -375,23 +375,8 @@ static ssize_t usb_udc_speed_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct usb_udc *udc = container_of(dev, struct usb_udc, dev);
- struct usb_gadget *gadget = udc->gadget;
-
- switch (gadget->speed) {
- case USB_SPEED_LOW:
- return snprintf(buf, PAGE_SIZE, "low-speed\n");
- case USB_SPEED_FULL:
- return snprintf(buf, PAGE_SIZE, "full-speed\n");
- case USB_SPEED_HIGH:
- return snprintf(buf, PAGE_SIZE, "high-speed\n");
- case USB_SPEED_WIRELESS:
- return snprintf(buf, PAGE_SIZE, "wireless\n");
- case USB_SPEED_SUPER:
- return snprintf(buf, PAGE_SIZE, "super-speed\n");
- case USB_SPEED_UNKNOWN: /* FALLTHROUGH */
- default:
- return snprintf(buf, PAGE_SIZE, "UNKNOWN\n");
- }
+ return snprintf(buf, PAGE_SIZE, "%s\n",
+ usb_speed_string(udc->gadget->speed));
}
static DEVICE_ATTR(speed, S_IRUSR, usb_udc_speed_show, NULL);
diff --git a/drivers/usb/gadget/uvc.h b/drivers/usb/gadget/uvc.h
index 81971fbc7ea5..bc78c606c12b 100644
--- a/drivers/usb/gadget/uvc.h
+++ b/drivers/usb/gadget/uvc.h
@@ -8,7 +8,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
*/
#ifndef _UVC_GADGET_H_
diff --git a/drivers/usb/gadget/uvc_queue.c b/drivers/usb/gadget/uvc_queue.c
index aa0ad34e0f1f..d776adb2da67 100644
--- a/drivers/usb/gadget/uvc_queue.c
+++ b/drivers/usb/gadget/uvc_queue.c
@@ -8,7 +8,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
*/
#include <linux/kernel.h>
diff --git a/drivers/usb/gadget/uvc_v4l2.c b/drivers/usb/gadget/uvc_v4l2.c
index cfb58384394d..f6e083b50191 100644
--- a/drivers/usb/gadget/uvc_v4l2.c
+++ b/drivers/usb/gadget/uvc_v4l2.c
@@ -8,7 +8,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
*/
#include <linux/kernel.h>
diff --git a/drivers/usb/gadget/uvc_video.c b/drivers/usb/gadget/uvc_video.c
index b08f35438d70..b0e53a8ea4f7 100644
--- a/drivers/usb/gadget/uvc_video.c
+++ b/drivers/usb/gadget/uvc_video.c
@@ -8,7 +8,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
*/
#include <linux/kernel.h>
diff --git a/drivers/usb/gadget/webcam.c b/drivers/usb/gadget/webcam.c
index df6882de50bf..668fe128f2ef 100644
--- a/drivers/usb/gadget/webcam.c
+++ b/drivers/usb/gadget/webcam.c
@@ -8,8 +8,8 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
*/
+
#include <linux/kernel.h>
#include <linux/device.h>
#include <linux/usb/video.h>
diff --git a/drivers/usb/gadget/zero.c b/drivers/usb/gadget/zero.c
index 00e2fd2d4791..20697cc132d1 100644
--- a/drivers/usb/gadget/zero.c
+++ b/drivers/usb/gadget/zero.c
@@ -8,15 +8,6 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/

Privacy Policy