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authorSteven Toth <stoth@hauppauge.com>2008-04-18 21:34:00 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2008-04-24 14:09:42 -0300
commit265a6510629ab39f33ece43a857089dd37978184 (patch)
tree021773e15d68f7d99c571d723a48397ae9cf9ef5 /drivers
parentc8234ea37fb8b7a904223672edf36d269ea569a2 (diff)
V4L/DVB (7621): Add support for Hauppauge HVR950Q/HVR850/FusioHDTV7-USB
Including support for the AU0828 USB Bridge. Including support for the AU8522 ATSC/QAM Demodulator. Including support for the AU8522 ATSC/QAM Demodulator. Signed-off-by: Steven Toth <stoth@hauppauge.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/media/dvb/frontends/Kconfig8
-rw-r--r--drivers/media/dvb/frontends/Makefile1
-rw-r--r--drivers/media/dvb/frontends/au8522.c448
-rw-r--r--drivers/media/dvb/frontends/au8522.h55
-rw-r--r--drivers/media/video/Kconfig2
-rw-r--r--drivers/media/video/Makefile2
-rw-r--r--drivers/media/video/au0828/Kconfig10
-rw-r--r--drivers/media/video/au0828/Makefile9
-rw-r--r--drivers/media/video/au0828/au0828-cards.c144
-rw-r--r--drivers/media/video/au0828/au0828-cards.h25
-rw-r--r--drivers/media/video/au0828/au0828-core.c252
-rw-r--r--drivers/media/video/au0828/au0828-dvb.c371
-rw-r--r--drivers/media/video/au0828/au0828-i2c.c402
-rw-r--r--drivers/media/video/au0828/au0828-reg.h35
-rw-r--r--drivers/media/video/au0828/au0828.h117
15 files changed, 1881 insertions, 0 deletions
diff --git a/drivers/media/dvb/frontends/Kconfig b/drivers/media/dvb/frontends/Kconfig
index 4284a3092c14..ae3659be323f 100644
--- a/drivers/media/dvb/frontends/Kconfig
+++ b/drivers/media/dvb/frontends/Kconfig
@@ -291,6 +291,14 @@ config DVB_S5H1409
An ATSC 8VSB and QAM64/256 tuner module. Say Y when you want
to support this frontend.
+config DVB_AU8522
+ tristate "Auvitek AU8522 based"
+ depends on DVB_CORE && I2C
+ default m if DVB_FE_CUSTOMISE
+ help
+ An ATSC 8VSB and QAM64/256 tuner module. Say Y when you want
+ to support this frontend.
+
comment "Tuners/PLL support"
depends on DVB_CORE
diff --git a/drivers/media/dvb/frontends/Makefile b/drivers/media/dvb/frontends/Makefile
index 129367886bcc..8e23a30ed3be 100644
--- a/drivers/media/dvb/frontends/Makefile
+++ b/drivers/media/dvb/frontends/Makefile
@@ -53,3 +53,4 @@ obj-$(CONFIG_DVB_TUNER_MT2131) += mt2131.o
obj-$(CONFIG_DVB_S5H1409) += s5h1409.o
obj-$(CONFIG_DVB_TUNER_XC5000) += xc5000.o
obj-$(CONFIG_DVB_TUNER_ITD1000) += itd1000.o
+obj-$(CONFIG_DVB_AU8522) += au8522.o
diff --git a/drivers/media/dvb/frontends/au8522.c b/drivers/media/dvb/frontends/au8522.c
new file mode 100644
index 000000000000..d3c44b95e240
--- /dev/null
+++ b/drivers/media/dvb/frontends/au8522.c
@@ -0,0 +1,448 @@
+/*
+ Auvitek AU8522 QAM/8VSB demodulator driver
+
+ Copyright (C) 2008 Steven Toth <stoth@hauppauge.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.
+
+ 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/string.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include "dvb_frontend.h"
+#include "dvb-pll.h"
+#include "au8522.h"
+
+struct au8522_state {
+
+ struct i2c_adapter* i2c;
+
+ /* configuration settings */
+ const struct au8522_config* config;
+
+ struct dvb_frontend frontend;
+
+ u32 current_frequency;
+ fe_modulation_t current_modulation;
+
+};
+
+static int debug = 0;
+#define dprintk if (debug) printk
+
+/* 16 bit registers, 8 bit values */
+static int au8522_writereg(struct au8522_state* state, u16 reg, u8 data)
+{
+ int ret;
+ u8 buf [] = { reg >> 8, reg & 0xff, data };
+
+ struct i2c_msg msg = { .addr = state->config->demod_address,
+ .flags = 0, .buf = buf, .len = 3 };
+
+ ret = i2c_transfer(state->i2c, &msg, 1);
+
+ if (ret != 1)
+ printk("%s: writereg error (reg == 0x%02x, val == 0x%04x, "
+ "ret == %i)\n", __FUNCTION__, reg, data, ret);
+
+ return (ret != 1) ? -1 : 0;
+}
+
+static u8 au8522_readreg(struct au8522_state* state, u16 reg)
+{
+ int ret;
+ u8 b0 [] = { reg >> 8, reg & 0xff };
+ u8 b1 [] = { 0 };
+
+ struct i2c_msg msg [] = {
+ { .addr = state->config->demod_address, .flags = 0,
+ .buf = b0, .len = 2 },
+ { .addr = state->config->demod_address, .flags = I2C_M_RD,
+ .buf = b1, .len = 1 } };
+
+ ret = i2c_transfer(state->i2c, msg, 2);
+
+ if (ret != 2)
+ printk("%s: readreg error (ret == %i)\n", __FUNCTION__, ret);
+ return b1[0];
+}
+
+static int au8522_i2c_gate_ctrl(struct dvb_frontend* fe, int enable)
+{
+ struct au8522_state* state = fe->demodulator_priv;
+
+ dprintk("%s(%d)\n", __FUNCTION__, enable);
+
+ if (enable)
+ return au8522_writereg(state, 0x106, 1);
+ else
+ return au8522_writereg(state, 0x106, 0);
+}
+
+static int au8522_enable_modulation(struct dvb_frontend* fe,
+ fe_modulation_t m)
+{
+ struct au8522_state* state = fe->demodulator_priv;
+
+ dprintk("%s(0x%08x)\n", __FUNCTION__, m);
+
+ switch(m) {
+ case VSB_8:
+ dprintk("%s() VSB_8\n", __FUNCTION__);
+
+ //au8522_writereg(state, 0x410b, 0x84); // Serial
+
+ //au8522_writereg(state, 0x8090, 0x82);
+ au8522_writereg(state, 0x8090, 0x84);
+ au8522_writereg(state, 0x4092, 0x11);
+ au8522_writereg(state, 0x2005, 0x00);
+ au8522_writereg(state, 0x8091, 0x80);
+
+ au8522_writereg(state, 0x80a3, 0x0c);
+ au8522_writereg(state, 0x80a4, 0xe8);
+ au8522_writereg(state, 0x8081, 0xc4);
+ au8522_writereg(state, 0x80a5, 0x40);
+ au8522_writereg(state, 0x80a7, 0x40);
+ au8522_writereg(state, 0x80a6, 0x67);
+ au8522_writereg(state, 0x8262, 0x20);
+ au8522_writereg(state, 0x821c, 0x30);
+ au8522_writereg(state, 0x80d8, 0x1a);
+ au8522_writereg(state, 0x8227, 0xa0);
+ au8522_writereg(state, 0x8121, 0xff);
+ au8522_writereg(state, 0x80a8, 0xf0);
+ au8522_writereg(state, 0x80a9, 0x05);
+ au8522_writereg(state, 0x80aa, 0x77);
+ au8522_writereg(state, 0x80ab, 0xf0);
+ au8522_writereg(state, 0x80ac, 0x05);
+ au8522_writereg(state, 0x80ad, 0x77);
+ au8522_writereg(state, 0x80ae, 0x41);
+ au8522_writereg(state, 0x80af, 0x66);
+ au8522_writereg(state, 0x821b, 0xcc);
+ au8522_writereg(state, 0x821d, 0x80);
+ au8522_writereg(state, 0x80b5, 0xfb);
+ au8522_writereg(state, 0x80b6, 0x8e);
+ au8522_writereg(state, 0x80b7, 0x39);
+ au8522_writereg(state, 0x80a4, 0xe8);
+ au8522_writereg(state, 0x8231, 0x13);
+ break;
+ case QAM_64:
+ case QAM_256:
+ au8522_writereg(state, 0x80a3, 0x09);
+ au8522_writereg(state, 0x80a4, 0x00);
+ au8522_writereg(state, 0x8081, 0xc4);
+ au8522_writereg(state, 0x80a5, 0x40);
+ au8522_writereg(state, 0x80b5, 0xfb);
+ au8522_writereg(state, 0x80b6, 0x8e);
+ au8522_writereg(state, 0x80b7, 0x39);
+ au8522_writereg(state, 0x80aa, 0x77);
+ au8522_writereg(state, 0x80ad, 0x77);
+ au8522_writereg(state, 0x80a6, 0x67);
+ au8522_writereg(state, 0x8262, 0x20);
+ au8522_writereg(state, 0x821c, 0x30);
+ au8522_writereg(state, 0x80b8, 0x3e);
+ au8522_writereg(state, 0x80b9, 0xf0);
+ au8522_writereg(state, 0x80ba, 0x01);
+ au8522_writereg(state, 0x80bb, 0x18);
+ au8522_writereg(state, 0x80bc, 0x50);
+ au8522_writereg(state, 0x80bd, 0x00);
+ au8522_writereg(state, 0x80be, 0xea);
+ au8522_writereg(state, 0x80bf, 0xef);
+ au8522_writereg(state, 0x80c0, 0xfc);
+ au8522_writereg(state, 0x80c1, 0xbd);
+ au8522_writereg(state, 0x80c2, 0x1f);
+ au8522_writereg(state, 0x80c3, 0xfc);
+ au8522_writereg(state, 0x80c4, 0xdd);
+ au8522_writereg(state, 0x80c5, 0xaf);
+ au8522_writereg(state, 0x80c6, 0x00);
+ au8522_writereg(state, 0x80c7, 0x38);
+ au8522_writereg(state, 0x80c8, 0x30);
+ au8522_writereg(state, 0x80c9, 0x05);
+ au8522_writereg(state, 0x80ca, 0x4a);
+ au8522_writereg(state, 0x80cb, 0xd0);
+ au8522_writereg(state, 0x80cc, 0x01);
+ au8522_writereg(state, 0x80cd, 0xd9);
+ au8522_writereg(state, 0x80ce, 0x6f);
+ au8522_writereg(state, 0x80cf, 0xf9);
+ au8522_writereg(state, 0x80d0, 0x70);
+ au8522_writereg(state, 0x80d1, 0xdf);
+ au8522_writereg(state, 0x80d2, 0xf7);
+ au8522_writereg(state, 0x80d3, 0xc2);
+ au8522_writereg(state, 0x80d4, 0xdf);
+ au8522_writereg(state, 0x80d5, 0x02);
+ au8522_writereg(state, 0x80d6, 0x9a);
+ au8522_writereg(state, 0x80d7, 0xd0);
+ au8522_writereg(state, 0x8250, 0x0d);
+ au8522_writereg(state, 0x8251, 0xcd);
+ au8522_writereg(state, 0x8252, 0xe0);
+ au8522_writereg(state, 0x8253, 0x05);
+ au8522_writereg(state, 0x8254, 0xa7);
+ au8522_writereg(state, 0x8255, 0xff);
+ au8522_writereg(state, 0x8256, 0xed);
+ au8522_writereg(state, 0x8257, 0x5b);
+ au8522_writereg(state, 0x8258, 0xae);
+ au8522_writereg(state, 0x8259, 0xe6);
+ au8522_writereg(state, 0x825a, 0x3d);
+ au8522_writereg(state, 0x825b, 0x0f);
+ au8522_writereg(state, 0x825c, 0x0d);
+ au8522_writereg(state, 0x825d, 0xea);
+ au8522_writereg(state, 0x825e, 0xf2);
+ au8522_writereg(state, 0x825f, 0x51);
+ au8522_writereg(state, 0x8260, 0xf5);
+ au8522_writereg(state, 0x8261, 0x06);
+ au8522_writereg(state, 0x821a, 0x00);
+ au8522_writereg(state, 0x8546, 0x40);
+ au8522_writereg(state, 0x8210, 0x26);
+ au8522_writereg(state, 0x8211, 0xf6);
+ au8522_writereg(state, 0x8212, 0x84);
+ au8522_writereg(state, 0x8213, 0x02);
+ au8522_writereg(state, 0x8502, 0x01);
+ au8522_writereg(state, 0x8121, 0x04);
+ au8522_writereg(state, 0x8122, 0x04);
+ au8522_writereg(state, 0x852e, 0x10);
+ au8522_writereg(state, 0x80a4, 0xca);
+ au8522_writereg(state, 0x80a7, 0x40);
+ au8522_writereg(state, 0x8526, 0x01);
+ break;
+ default:
+ dprintk("%s() Invalid modulation\n", __FUNCTION__);
+ return -EINVAL;
+ }
+
+ state->current_modulation = m;
+
+ return 0;
+}
+
+/* Talk to the demod, set the FEC, GUARD, QAM settings etc */
+static int au8522_set_frontend (struct dvb_frontend* fe,
+ struct dvb_frontend_parameters *p)
+{
+ struct au8522_state* state = fe->demodulator_priv;
+
+ dprintk("%s(frequency=%d)\n", __FUNCTION__, p->frequency);
+
+ state->current_frequency = p->frequency;
+
+ au8522_enable_modulation(fe, p->u.vsb.modulation);
+
+ /* Allow the demod to settle */
+ msleep(100);
+
+ if (fe->ops.tuner_ops.set_params) {
+ if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 1);
+ fe->ops.tuner_ops.set_params(fe, p);
+ if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0);
+ }
+
+ return 0;
+}
+
+/* Reset the demod hardware and reset all of the configuration registers
+ to a default state. */
+static int au8522_init(struct dvb_frontend* fe)
+{
+ struct au8522_state* state = fe->demodulator_priv;
+ dprintk("%s()\n", __FUNCTION__);
+
+ au8522_writereg(state, 0xa4, 1 << 5);
+
+ au8522_i2c_gate_ctrl(fe, 1);
+
+ return 0;
+}
+
+static int au8522_read_status(struct dvb_frontend* fe, fe_status_t* status)
+{
+ struct au8522_state* state = fe->demodulator_priv;
+ u8 reg;
+ u32 tuner_status = 0;
+
+ *status = 0;
+
+ if (state->current_modulation == VSB_8) {
+ dprintk("%s() Checking VSB_8\n", __FUNCTION__);
+ //au8522_writereg(state, 0x80a4, 0x20);
+ reg = au8522_readreg(state, 0x4088);
+ if(reg & 0x01)
+ *status |= FE_HAS_VITERBI;
+ if(reg & 0x02)
+ *status |= FE_HAS_LOCK | FE_HAS_SYNC;
+ } else {
+ dprintk("%s() Checking QAM\n", __FUNCTION__);
+ reg = au8522_readreg(state, 0x4541);
+ if(reg & 0x80)
+ *status |= FE_HAS_VITERBI;
+ if(reg & 0x20)
+ *status |= FE_HAS_LOCK | FE_HAS_SYNC;
+ }
+
+ switch(state->config->status_mode) {
+ case AU8522_DEMODLOCKING:
+ dprintk("%s() DEMODLOCKING\n", __FUNCTION__);
+ if (*status & FE_HAS_VITERBI)
+ *status |= FE_HAS_CARRIER | FE_HAS_SIGNAL;
+ break;
+ case AU8522_TUNERLOCKING:
+ /* Get the tuner status */
+ dprintk("%s() TUNERLOCKING\n", __FUNCTION__);
+ if (fe->ops.tuner_ops.get_status) {
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 1);
+
+ fe->ops.tuner_ops.get_status(fe, &tuner_status);
+
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 0);
+ }
+ if (tuner_status)
+ *status |= FE_HAS_CARRIER | FE_HAS_SIGNAL;
+ break;
+ }
+
+ dprintk("%s() status 0x%08x\n", __FUNCTION__, *status);
+
+ return 0;
+}
+
+static int au8522_read_snr(struct dvb_frontend* fe, u16* snr)
+{
+ dprintk("%s()\n", __FUNCTION__);
+
+ *snr = 0;
+
+ return 0;
+}
+
+static int au8522_read_signal_strength(struct dvb_frontend* fe,
+ u16* signal_strength)
+{
+ return au8522_read_snr(fe, signal_strength);
+}
+
+static int au8522_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
+{
+ struct au8522_state* state = fe->demodulator_priv;
+
+ *ucblocks = au8522_readreg(state, 0x4087);
+
+ return 0;
+}
+
+static int au8522_read_ber(struct dvb_frontend* fe, u32* ber)
+{
+ return au8522_read_ucblocks(fe, ber);
+}
+
+static int au8522_get_frontend(struct dvb_frontend* fe,
+ struct dvb_frontend_parameters *p)
+{
+ struct au8522_state* state = fe->demodulator_priv;
+
+ p->frequency = state->current_frequency;
+ p->u.vsb.modulation = state->current_modulation;
+
+ return 0;
+}
+
+static int au8522_get_tune_settings(struct dvb_frontend* fe,
+ struct dvb_frontend_tune_settings *tune)
+{
+ tune->min_delay_ms = 1000;
+ return 0;
+}
+
+static void au8522_release(struct dvb_frontend* fe)
+{
+ struct au8522_state* state = fe->demodulator_priv;
+ kfree(state);
+}
+
+static struct dvb_frontend_ops au8522_ops;
+
+struct dvb_frontend* au8522_attach(const struct au8522_config* config,
+ struct i2c_adapter* i2c)
+{
+ struct au8522_state* state = NULL;
+
+ /* allocate memory for the internal state */
+ state = kmalloc(sizeof(struct au8522_state), GFP_KERNEL);
+ if (state == NULL)
+ goto error;
+
+ /* setup the state */
+ state->config = config;
+ state->i2c = i2c;
+ /* create dvb_frontend */
+ memcpy(&state->frontend.ops, &au8522_ops,
+ sizeof(struct dvb_frontend_ops));
+ state->frontend.demodulator_priv = state;
+
+ if (au8522_init(&state->frontend) != 0) {
+ printk(KERN_ERR "%s: Failed to initialize correctly\n",
+ __FUNCTION__);
+ goto error;
+ }
+
+ /* Note: Leaving the I2C gate open here. */
+ au8522_i2c_gate_ctrl(&state->frontend, 1);
+
+ return &state->frontend;
+
+error:
+ kfree(state);
+ return NULL;
+}
+
+static struct dvb_frontend_ops au8522_ops = {
+
+ .info = {
+ .name = "Auvitek AU8522 QAM/8VSB Frontend",
+ .type = FE_ATSC,
+ .frequency_min = 54000000,
+ .frequency_max = 858000000,
+ .frequency_stepsize = 62500,
+ .caps = FE_CAN_QAM_64 | FE_CAN_QAM_256 | FE_CAN_8VSB
+ },
+
+ .init = au8522_init,
+ .i2c_gate_ctrl = au8522_i2c_gate_ctrl,
+ .set_frontend = au8522_set_frontend,
+ .get_frontend = au8522_get_frontend,
+ .get_tune_settings = au8522_get_tune_settings,
+ .read_status = au8522_read_status,
+ .read_ber = au8522_read_ber,
+ .read_signal_strength = au8522_read_signal_strength,
+ .read_snr = au8522_read_snr,
+ .read_ucblocks = au8522_read_ucblocks,
+ .release = au8522_release,
+};
+
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "Enable verbose debug messages");
+
+MODULE_DESCRIPTION("Auvitek AU8522 QAM-B/ATSC Demodulator driver");
+MODULE_AUTHOR("Steven Toth");
+MODULE_LICENSE("GPL");
+
+EXPORT_SYMBOL(au8522_attach);
+
+/*
+ * Local variables:
+ * c-basic-offset: 8
+ */
diff --git a/drivers/media/dvb/frontends/au8522.h b/drivers/media/dvb/frontends/au8522.h
new file mode 100644
index 000000000000..a75627155fed
--- /dev/null
+++ b/drivers/media/dvb/frontends/au8522.h
@@ -0,0 +1,55 @@
+/*
+ Auvitek AU8522 QAM/8VSB demodulator driver
+
+ Copyright (C) 2008 Steven Toth <stoth@hauppauge.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.
+
+ 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#ifndef __AU8522_H__
+#define __AU8522_H__
+
+#include <linux/dvb/frontend.h>
+
+struct au8522_config
+{
+ /* the demodulator's i2c address */
+ u8 demod_address;
+
+ /* Return lock status based on tuner lock, or demod lock */
+#define AU8522_TUNERLOCKING 0
+#define AU8522_DEMODLOCKING 1
+ u8 status_mode;
+};
+
+#if defined(CONFIG_DVB_AU8522) || (defined(CONFIG_DVB_AU8522_MODULE) && defined(MODULE))
+extern struct dvb_frontend* au8522_attach(const struct au8522_config* config,
+ struct i2c_adapter* i2c);
+#else
+static inline struct dvb_frontend* au8522_attach(const struct au8522_config* config,
+ struct i2c_adapter* i2c)
+{
+ printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
+ return NULL;
+}
+#endif /* CONFIG_DVB_AU8522 */
+
+#endif /* __AU8522_H__ */
+
+/*
+ * Local variables:
+ * c-basic-offset: 8
+ */
diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig
index 54b9f84e9a3e..fe9a4cc14141 100644
--- a/drivers/media/video/Kconfig
+++ b/drivers/media/video/Kconfig
@@ -698,6 +698,8 @@ source "drivers/media/video/cx88/Kconfig"
source "drivers/media/video/cx23885/Kconfig"
+source "drivers/media/video/au0828/Kconfig"
+
source "drivers/media/video/ivtv/Kconfig"
config VIDEO_M32R_AR
diff --git a/drivers/media/video/Makefile b/drivers/media/video/Makefile
index fe3be94afd10..be14227f3726 100644
--- a/drivers/media/video/Makefile
+++ b/drivers/media/video/Makefile
@@ -143,5 +143,7 @@ obj-$(CONFIG_SOC_CAMERA) += soc_camera.o
obj-$(CONFIG_SOC_CAMERA_MT9M001) += mt9m001.o
obj-$(CONFIG_SOC_CAMERA_MT9V022) += mt9v022.o
+obj-$(CONFIG_VIDEO_AU0828) += au0828/
+
EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core
EXTRA_CFLAGS += -Idrivers/media/dvb/frontends
diff --git a/drivers/media/video/au0828/Kconfig b/drivers/media/video/au0828/Kconfig
new file mode 100644
index 000000000000..38d68ee8026a
--- /dev/null
+++ b/drivers/media/video/au0828/Kconfig
@@ -0,0 +1,10 @@
+
+config VIDEO_AU0828
+ tristate "Auvitek AU0828 support"
+ depends on VIDEO_DEV && I2C && INPUT
+ select I2C_ALGOBIT
+ ---help---
+ This is a video4linux driver for Auvitek's USB device.
+
+ To compile this driver as a module, choose M here: the
+ module will be called ambarella
diff --git a/drivers/media/video/au0828/Makefile b/drivers/media/video/au0828/Makefile
new file mode 100644
index 000000000000..9f4f572c89c5
--- /dev/null
+++ b/drivers/media/video/au0828/Makefile
@@ -0,0 +1,9 @@
+au0828-objs := au0828-core.o au0828-i2c.o au0828-cards.o au0828-dvb.o
+
+obj-$(CONFIG_VIDEO_AU0828) += au0828.o
+
+EXTRA_CFLAGS += -Idrivers/media/video
+EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core
+EXTRA_CFLAGS += -Idrivers/media/dvb/frontends
+
+EXTRA_CFLAGS += $(extra-cflags-y) $(extra-cflags-m)
diff --git a/drivers/media/video/au0828/au0828-cards.c b/drivers/media/video/au0828/au0828-cards.c
new file mode 100644
index 000000000000..c4cb11e9d6fc
--- /dev/null
+++ b/drivers/media/video/au0828/au0828-cards.c
@@ -0,0 +1,144 @@
+/*
+ * Driver for the Auvitek USB bridge
+ *
+ * Copyright (c) 2008 Steven Toth <stoth@hauppauge.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.
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include "au0828.h"
+#include "au0828-cards.h"
+
+#define _dbg(level, fmt, arg...)\
+ do {\
+ if (debug >= level) \
+ printk(KERN_DEBUG DRIVER_NAME "/0: " fmt, ## arg);\
+ } while (0)
+
+struct au0828_board au0828_boards[] = {
+ [AU0828_BOARD_UNKNOWN] = {
+ .name = "Unknown board",
+ },
+ [AU0828_BOARD_HAUPPAUGE_HVR850] = {
+ .name = "Hauppauge HVR850",
+ },
+ [AU0828_BOARD_HAUPPAUGE_HVR950Q] = {
+ .name = "Hauppauge HVR950Q",
+ },
+ [AU0828_BOARD_DVICO_FUSIONHDTV7] = {
+ .name = "DViCO FusionHDTV USB",
+ },
+};
+const unsigned int au0828_bcount = ARRAY_SIZE(au0828_boards);
+
+/* Tuner callback function for au0828 boards. Currently only needed
+ * for HVR1500Q, which has an xc5000 tuner.
+ */
+int au0828_tuner_callback(void *priv, int command, int arg)
+{
+ struct au0828_dev *dev = priv;
+
+ switch(dev->board) {
+ case AU0828_BOARD_HAUPPAUGE_HVR850:
+ case AU0828_BOARD_HAUPPAUGE_HVR950Q:
+ case AU0828_BOARD_DVICO_FUSIONHDTV7:
+ if(command == 0) {
+ /* Tuner Reset Command from xc5000 */
+ /* Drive the tuner into reset and out */
+ au0828_clear(dev, REG_001, 2);
+ mdelay(200);
+ au0828_set(dev, REG_001, 2);
+ mdelay(50);
+ return 0;
+ }
+ else {
+ printk(KERN_ERR
+ "%s(): Unknown command.\n", __FUNCTION__);
+ return -EINVAL;
+ }
+ break;
+ }
+
+ return 0; /* Should never be here */
+}
+
+/*
+ * The bridge has between 8 and 12 gpios.
+ * Regs 1 and 0 deal with output enables.
+ * Regs 3 and 2 * deal with direction.
+ */
+void au0828_gpio_setup(struct au0828_dev *dev)
+{
+ switch(dev->board) {
+ case AU0828_BOARD_HAUPPAUGE_HVR850:
+ case AU0828_BOARD_HAUPPAUGE_HVR950Q:
+ /* GPIO's
+ * 4 - CS5340
+ * 5 - AU8522 Demodulator
+ * 6 - eeprom W/P
+ * 9 - XC5000 Tuner
+ */
+
+ /* Into reset */
+ au0828_write(dev, REG_003, 0x02);
+ au0828_write(dev, REG_002, 0x88 | 0x20);
+ au0828_write(dev, REG_001, 0x0);
+ au0828_write(dev, REG_000, 0x0);
+ msleep(100);
+
+ /* Out of reset */
+ au0828_write(dev, REG_003, 0x02);
+ au0828_write(dev, REG_001, 0x02);
+ au0828_write(dev, REG_002, 0x88 | 0x20);
+ au0828_write(dev, REG_000, 0x88 | 0x20 | 0x40);
+ msleep(250);
+ break;
+ case AU0828_BOARD_DVICO_FUSIONHDTV7:
+ /* GPIO's
+ * 6 - ?
+ * 8 - AU8522 Demodulator
+ * 9 - XC5000 Tuner
+ */
+
+ /* Into reset */
+ au0828_write(dev, REG_003, 0x02);
+ au0828_write(dev, REG_002, 0xa0);
+ au0828_write(dev, REG_001, 0x0);
+ au0828_write(dev, REG_000, 0x0);
+ msleep(100);
+
+ /* Out of reset */
+ au0828_write(dev, REG_003, 0x02);
+ au0828_write(dev, REG_002, 0xa0);
+ au0828_write(dev, REG_001, 0x02);
+ au0828_write(dev, REG_000, 0xa0);
+ msleep(250);
+ break;
+ }
+}
+
+/* table of devices that work with this driver */
+struct usb_device_id au0828_usb_id_table [] = {
+ { USB_DEVICE(0x2040, 0x7200),
+ .driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
+ { USB_DEVICE(0x2040, 0x7240),
+ .driver_info = AU0828_BOARD_HAUPPAUGE_HVR850 },
+ { USB_DEVICE(0x0fe9, 0xd620),
+ .driver_info = AU0828_BOARD_DVICO_FUSIONHDTV7 },
+ { },
+};
+
+MODULE_DEVICE_TABLE(usb, au0828_usb_id_table);
diff --git a/drivers/media/video/au0828/au0828-cards.h b/drivers/media/video/au0828/au0828-cards.h
new file mode 100644
index 000000000000..e26f54a961d0
--- /dev/null
+++ b/drivers/media/video/au0828/au0828-cards.h
@@ -0,0 +1,25 @@
+/*
+ * Driver for the Auvitek USB bridge
+ *
+ * Copyright (c) 2008 Steven Toth <stoth@hauppauge.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.
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#define AU0828_BOARD_UNKNOWN 0
+#define AU0828_BOARD_HAUPPAUGE_HVR950Q 1
+#define AU0828_BOARD_HAUPPAUGE_HVR850 2
+#define AU0828_BOARD_DVICO_FUSIONHDTV7 3
diff --git a/drivers/media/video/au0828/au0828-core.c b/drivers/media/video/au0828/au0828-core.c
new file mode 100644
index 000000000000..8d0b8a8b06bd
--- /dev/null
+++ b/drivers/media/video/au0828/au0828-core.c
@@ -0,0 +1,252 @@
+/*
+ * Driver for the Auvitek USB bridge
+ *
+ * Copyright (c) 2008 Steven Toth <stoth@hauppauge.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.
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/videodev2.h>
+#include <media/v4l2-common.h>
+#include <linux/mutex.h>
+
+#include "au0828.h"
+
+static unsigned int debug;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "enable debug messages");
+
+#define _err(fmt, arg...)\
+ do {\
+ printk(KERN_ERR DRIVER_NAME "/0: " fmt, ## arg);\
+ } while (0)
+
+#define _info(fmt, arg...)\
+ do {\
+ printk(KERN_INFO DRIVER_NAME "/0: " fmt, ## arg);\
+ } while (0)
+
+#define _dbg(level, fmt, arg...)\
+ do {\
+ if (debug >= level) \
+ printk(KERN_DEBUG DRIVER_NAME "/0: " fmt, ## arg);\
+ } while (0)
+
+#define _AU0828_BULKPIPE 0x03
+#define _BULKPIPESIZE 0xffff
+
+static int send_control_msg(struct au0828_dev *dev, u16 request, u32 value,
+ u16 index, unsigned char *cp, u16 size);
+static int recv_control_msg(struct au0828_dev *dev, u16 request, u32 value,
+ u16 index, unsigned char *cp, u16 size);
+
+/* USB Direction */
+#define CMD_REQUEST_IN 0x00
+#define CMD_REQUEST_OUT 0x01
+
+u32 au0828_readreg(struct au0828_dev *dev, u16 reg)
+{
+ recv_control_msg(dev, CMD_REQUEST_IN, 0, reg, dev->ctrlmsg, 1);
+ _dbg(3,"%s(0x%x) = 0x%x\n", __FUNCTION__, reg, dev->ctrlmsg[0]);
+ return dev->ctrlmsg[0];
+}
+
+u32 au0828_writereg(struct au0828_dev *dev, u16 reg, u32 val)
+{
+ _dbg(3,"%s(0x%x, 0x%x)\n", __FUNCTION__, reg, val);
+ return send_control_msg(dev, CMD_REQUEST_OUT, val, reg, dev->ctrlmsg, 0);
+}
+
+static void cmd_msg_dump(struct au0828_dev *dev)
+{
+ int i;
+
+ for (i = 0;i < sizeof(dev->ctrlmsg); i+=16)
+ _dbg(1,"%s() %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x "
+ "%02x %02x %02x %02x %02x %02x\n",
+ __FUNCTION__,
+ dev->ctrlmsg[i+0], dev->ctrlmsg[i+1],
+ dev->ctrlmsg[i+2], dev->ctrlmsg[i+3],
+ dev->ctrlmsg[i+4], dev->ctrlmsg[i+5],
+ dev->ctrlmsg[i+6], dev->ctrlmsg[i+7],
+ dev->ctrlmsg[i+8], dev->ctrlmsg[i+9],
+ dev->ctrlmsg[i+10], dev->ctrlmsg[i+11],
+ dev->ctrlmsg[i+12], dev->ctrlmsg[i+13],
+ dev->ctrlmsg[i+14], dev->ctrlmsg[i+15]);
+}
+
+static int send_control_msg(struct au0828_dev *dev, u16 request, u32 value,
+ u16 index, unsigned char *cp, u16 size)
+{
+ int status = -ENODEV;
+ mutex_lock(&dev->mutex);
+ if (dev->usbdev) {
+
+ /* cp must be memory that has been allocated by kmalloc */
+ status = usb_control_msg(dev->usbdev,
+ usb_sndctrlpipe(dev->usbdev, 0),
+ request,
+ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ value, index,
+ cp, size, 1000);
+
+ status = min(status, 0);
+
+ if (status < 0) {
+ _err("%s() Failed sending control message, error %d.\n",
+ __FUNCTION__,
+ status);
+ }
+
+ }
+ mutex_unlock(&dev->mutex);
+ return status;
+}
+
+static int recv_control_msg(struct au0828_dev *dev, u16 request, u32 value,
+ u16 index, unsigned char *cp, u16 size)
+{
+ int status = -ENODEV;
+ mutex_lock(&dev->mutex);
+ if (dev->usbdev) {
+
+ memset(dev->ctrlmsg, 0, sizeof(dev->ctrlmsg));
+
+ /* cp must be memory that has been allocated by kmalloc */
+ status = usb_control_msg(dev->usbdev,
+ usb_rcvctrlpipe(dev->usbdev, 0),
+ request,
+ USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ value, index,
+ cp, size, 1000);
+
+ status = min(status, 0);
+
+ if (status < 0) {
+ _err("%s() Failed receiving ctrl msg, error %d.\n",
+ __FUNCTION__,
+ status);
+ }
+ else
+ if (debug > 4)
+ cmd_msg_dump(dev);
+ }
+ mutex_unlock(&dev->mutex);
+ return status;
+}
+static void au0828_usb_disconnect(struct usb_interface *interface)
+{
+ struct au0828_dev *dev = usb_get_intfdata(interface);
+
+ _dbg(1,"%s()\n", __FUNCTION__);
+
+ /* Digital TV */
+ au0828_dvb_unregister(dev);
+
+ /* I2C */
+ au0828_i2c_unregister(dev);
+
+ usb_set_intfdata(interface, NULL);
+
+ mutex_lock(&dev->mutex);
+ dev->usbdev = NULL;
+ mutex_unlock(&dev->mutex);
+
+ kfree(dev);
+
+}
+
+static int au0828_usb_probe (struct usb_interface *interface,
+ const struct usb_device_id *id)
+{
+ int ifnum;
+ struct au0828_dev *dev;
+ struct usb_device *usbdev = interface_to_usbdev(interface);
+
+ ifnum = interface->altsetting->desc.bInterfaceNumber;
+
+ if (ifnum != 0)
+ return -ENODEV;
+
+ _dbg(1,"%s() vendor id 0x%x device id 0x%x ifnum:%d\n",
+ __FUNCTION__,
+ le16_to_cpu(usbdev->descriptor.idVendor),
+ le16_to_cpu(usbdev->descriptor.idProduct),
+ ifnum);
+
+ dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+ if (dev == NULL) {
+ _err("Unable to allocate memory\n");
+ return -ENOMEM;
+ }
+
+ mutex_init(&dev->mutex);
+ mutex_init(&dev->dvb.lock);
+ dev->usbdev = usbdev;
+ dev->board = id->driver_info;
+
+ usb_set_intfdata(interface, dev);
+
+ /* Power Up the bridge */
+ au0828_write(dev, REG_600, 1 << 4);
+
+ /* Bring up the GPIO's and supporting devices */
+ au0828_gpio_setup(dev);
+
+ /* I2C */
+ au0828_i2c_register(dev);
+
+ /* Digital TV */
+ au0828_dvb_register(dev);
+
+ _info("Registered device AU0828 [%s]\n",
+ au0828_boards[dev->board].name);
+
+ return 0;
+}
+
+static struct usb_driver au0828_usb_driver = {
+ .name = DRIVER_NAME,
+ .probe = au0828_usb_probe,
+ .disconnect = au0828_usb_disconnect,
+ .id_table = au0828_usb_id_table,
+};
+
+static int __init au0828_init(void)
+{
+ int ret;
+
+ _info("au0828 driver loaded\n");
+
+ ret = usb_register(&au0828_usb_driver);
+ if (ret)
+ _err("usb_register failed, error = %d\n", ret);
+
+ return ret;
+}
+
+static void __exit au0828_exit(void)
+{
+ usb_deregister(&au0828_usb_driver);
+}
+
+module_init(au0828_init);
+module_exit(au0828_exit);
+
+MODULE_DESCRIPTION("Driver for Auvitek AU0828 based products");
+MODULE_AUTHOR("Steven Toth <stoth@hauppauge.com>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/media/video/au0828/au0828-dvb.c b/drivers/media/video/au0828/au0828-dvb.c
new file mode 100644
index 000000000000..3c8a29eafc2d
--- /dev/null
+++ b/drivers/media/video/au0828/au0828-dvb.c
@@ -0,0 +1,371 @@
+/*
+ * Driver for the Auvitek USB bridge
+ *
+ * Copyright (c) 2008 Steven Toth <stoth@hauppauge.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.
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/suspend.h>
+#include <media/v4l2-common.h>
+
+#include "au0828.h"
+
+#include "au8522.h"
+#include "xc5000.h"
+
+DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
+
+unsigned int dvb_debug = 1;
+
+#define _dbg(level, fmt, arg...)\
+ do { if (dvb_debug >= level)\
+ printk(KERN_DEBUG "%s/0: " fmt, DRIVER_NAME, ## arg);\
+ } while (0)
+
+static struct au8522_config hauppauge_hvr950q_config = {
+ .demod_address = 0x8e >> 1,
+ .status_mode = AU8522_DEMODLOCKING,
+};
+
+static struct xc5000_config hauppauge_hvr950q_tunerconfig = {
+ .i2c_address = 0x61,
+ .if_khz = 6000,
+ .tuner_callback = au0828_tuner_callback
+};
+
+/*-------------------------------------------------------------------*/
+static void urb_completion(struct urb *purb)
+{
+ u8 *ptr;
+ struct au0828_dev *dev = purb->context;
+ int ptype = usb_pipetype(purb->pipe);
+
+ if (dev->urb_streaming == 0)
+ return;
+
+ if (ptype != PIPE_BULK) {
+ printk(KERN_ERR "%s() Unsupported URB type %d\n", __FUNCTION__, ptype);
+ return;
+ }
+
+ ptr = (u8 *)purb->transfer_buffer;
+
+ /* Feed the transport payload into the kernel demux */
+ dvb_dmx_swfilter_packets(&dev->dvb.demux, purb->transfer_buffer, purb->actual_length / 188);
+
+ /* Clean the buffer before we requeue */
+ memset(purb->transfer_buffer, 0, URB_BUFSIZE);
+
+ /* Requeue URB */
+ usb_submit_urb(purb, GFP_ATOMIC);
+}
+
+static int stop_urb_transfer(struct au0828_dev *dev)
+{
+ int i;
+
+ printk(KERN_INFO "%s()\n", __FUNCTION__);
+
+ /* FIXME: Do we need to free the transfer_buffers? */
+ for (i = 0; i < URB_COUNT; i++) {
+ usb_kill_urb(dev->urbs[i]);
+ kfree(dev->urbs[i]->transfer_buffer);
+ usb_free_urb(dev->urbs[i]);
+ }
+
+ dev->urb_streaming = 0;
+
+ return 0;
+}
+
+#define _AU0828_BULKPIPE 0x83
+#define _BULKPIPESIZE 0xe522
+
+static int start_urb_transfer(struct au0828_dev *dev)
+{
+ struct urb *purb;
+ int i, ret = -ENOMEM;
+ unsigned int pipe = usb_rcvbulkpipe(dev->usbdev, _AU0828_BULKPIPE);
+ int pipesize = usb_maxpacket(dev->usbdev, pipe, usb_pipeout(pipe));
+ int packets = _BULKPIPESIZE / pipesize;
+ int transfer_buflen = packets * pipesize;
+
+ printk(KERN_INFO "%s() transfer_buflen = %d\n", __FUNCTION__, transfer_buflen);
+
+ if (dev->urb_streaming) {
+ printk("%s: iso xfer already running!\n", __FUNCTION__);
+ return 0;
+ }
+
+ for (i = 0; i < URB_COUNT; i++) {
+
+ dev->urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
+ if (!dev->urbs[i]) {
+ goto err;
+ }
+
+ purb = dev->urbs[i];
+
+ purb->transfer_buffer = kzalloc(URB_BUFSIZE, GFP_KERNEL);
+ if (!purb->transfer_buffer) {
+ usb_free_urb(purb);
+ dev->urbs[i] = 0;
+ goto err;
+ }
+
+ purb->status = -EINPROGRESS;
+ usb_fill_bulk_urb(purb,
+ dev->usbdev,
+ usb_rcvbulkpipe(dev->usbdev, _AU0828_BULKPIPE),
+ purb->transfer_buffer,
+ URB_BUFSIZE,
+ urb_completion,
+ dev);
+
+ }
+
+ for (i = 0; i < URB_COUNT; i++) {
+ ret = usb_submit_urb(dev->urbs[i], GFP_ATOMIC);
+ if (ret != 0) {
+ stop_urb_transfer(dev);
+ printk("%s: failed urb submission, err = %d\n", __FUNCTION__, ret);
+ return ret;
+ }
+ }
+
+ dev->urb_streaming = 1;
+ ret = 0;
+
+err:
+ return ret;
+}
+
+static int au0828_dvb_start_feed(struct dvb_demux_feed *feed)
+{
+ struct dvb_demux *demux = feed->demux;
+ struct au0828_dev *dev = (struct au0828_dev *) demux->priv;
+ struct au0828_dvb *dvb = &dev->dvb;
+ int ret = 0;
+
+ printk(KERN_INFO "%s() pid = 0x%x index = %d\n", __FUNCTION__, feed->pid, feed->index);
+
+ if (!demux->dmx.frontend)
+ return -EINVAL;
+
+ printk(KERN_INFO "%s() Preparing, feeding = %d\n", __FUNCTION__, dvb->feeding);
+ if (dvb) {
+ mutex_lock(&dvb->lock);
+ if (dvb->feeding++ == 0) {
+ printk(KERN_INFO "%s() Starting Transport DMA\n",
+ __FUNCTION__);
+ au0828_write(dev, 0x608, 0x90);
+ au0828_write(dev, 0x609, 0x72);
+ au0828_write(dev, 0x60a, 0x71);
+ au0828_write(dev, 0x60b, 0x01);
+ ret = start_urb_transfer(dev);
+ }
+ mutex_unlock(&dvb->lock);
+ }
+
+ return ret;
+}
+
+static int au0828_dvb_stop_feed(struct dvb_demux_feed *feed)
+{
+ struct dvb_demux *demux = feed->demux;
+ struct au0828_dev *dev = (struct au0828_dev *) demux->priv;
+ struct au0828_dvb *dvb = &dev->dvb;
+ int ret = 0;
+
+ printk(KERN_INFO "%s() pid = 0x%x index = %d\n", __FUNCTION__, feed->pid, feed->index);
+
+ if (dvb) {
+ mutex_lock(&dvb->lock);
+ if (--dvb->feeding == 0) {
+ printk(KERN_INFO "%s() Stopping Transport DMA\n",
+ __FUNCTION__);
+ au0828_write(dev, 0x608, 0x00);
+ au0828_write(dev, 0x609, 0x00);
+ au0828_write(dev, 0x60a, 0x00);
+ au0828_write(dev, 0x60b, 0x00);
+ ret = stop_urb_transfer(dev);
+ }
+ mutex_unlock(&dvb->lock);
+ }
+
+ return ret;
+}
+
+int dvb_register(struct au0828_dev *dev)
+{
+ struct au0828_dvb *dvb = &dev->dvb;
+ int result;
+
+ /* register adapter */
+ result = dvb_register_adapter(&dvb->adapter, DRIVER_NAME, THIS_MODULE,
+ &dev->usbdev->dev, adapter_nr);
+ if (result < 0) {
+ printk(KERN_WARNING "%s: dvb_register_adapter failed (errno = %d)\n",
+ DRIVER_NAME, result);
+ goto fail_adapter;
+ }
+ dvb->adapter.priv = dev;
+
+ /* register frontend */
+ result = dvb_register_frontend(&dvb->adapter, dvb->frontend);
+ if (result < 0) {
+ printk(KERN_WARNING "%s: dvb_register_frontend failed (errno = %d)\n",
+ DRIVER_NAME, result);
+ goto fail_frontend;
+ }
+
+ /* register demux stuff */
+ dvb->demux.dmx.capabilities =
+ DMX_TS_FILTERING | DMX_SECTION_FILTERING |
+ DMX_MEMORY_BASED_FILTERING;
+ dvb->demux.priv = dev;
+ dvb->demux.filternum = 256;
+ dvb->demux.feednum = 256;
+ dvb->demux.start_feed = au0828_dvb_start_feed;
+ dvb->demux.stop_feed = au0828_dvb_stop_feed;
+ result = dvb_dmx_init(&dvb->demux);
+ if (result < 0) {
+ printk(KERN_WARNING "%s: dvb_dmx_init failed (errno = %d)\n",
+ DRIVER_NAME, result);
+ goto fail_dmx;
+ }
+
+ dvb->dmxdev.filternum = 256;
+ dvb->dmxdev.demux = &dvb->demux.dmx;
+ dvb->dmxdev.capabilities = 0;
+ result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
+ if (result < 0) {
+ printk(KERN_WARNING "%s: dvb_dmxdev_init failed (errno = %d)\n",
+ DRIVER_NAME, result);
+ goto fail_dmxdev;
+ }
+
+ dvb->fe_hw.source = DMX_FRONTEND_0;
+ result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
+ if (result < 0) {
+ printk(KERN_WARNING "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n",
+ DRIVER_NAME, result);
+ goto fail_fe_hw;
+ }
+
+ dvb->fe_mem.source = DMX_MEMORY_FE;
+ result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);
+ if (result < 0) {
+ printk(KERN_WARNING "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n",
+ DRIVER_NAME, result);
+ goto fail_fe_mem;
+ }
+
+ result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
+ if (result < 0) {
+ printk(KERN_WARNING "%s: connect_frontend failed (errno = %d)\n",
+ DRIVER_NAME, result);
+ goto fail_fe_conn;
+ }
+
+ /* register network adapter */
+ dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx);
+ return 0;
+
+fail_fe_conn:
+ dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
+fail_fe_mem:
+ dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
+fail_fe_hw:
+ dvb_dmxdev_release(&dvb->dmxdev);
+fail_dmxdev:
+ dvb_dmx_release(&dvb->demux);
+fail_dmx:
+ dvb_unregister_frontend(dvb->frontend);
+fail_frontend:
+ dvb_frontend_detach(dvb->frontend);
+ dvb_unregister_adapter(&dvb->adapter);
+fail_adapter:
+ return result;
+}
+
+void au0828_dvb_unregister(struct au0828_dev *dev)
+{
+ struct au0828_dvb *dvb = &dev->dvb;
+
+ dvb_net_release(&dvb->net);
+ dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
+ dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
+ dvb_dmxdev_release(&dvb->dmxdev);
+ dvb_dmx_release(&dvb->demux);
+ dvb_unregister_frontend(dvb->frontend);
+ dvb_frontend_detach(dvb->frontend);
+ dvb_unregister_adapter(&dvb->adapter);
+}
+
+/* All the DVB attach calls go here, this function get's modified
+ * for each new card. No other function in this file needs
+ * to change.
+ */
+int au0828_dvb_register(struct au0828_dev *dev)
+{
+ struct au0828_dvb *dvb = &dev->dvb;
+ int ret;
+
+ /* init frontend */
+ switch (dev->board) {
+ case AU0828_BOARD_HAUPPAUGE_HVR850:
+ case AU0828_BOARD_HAUPPAUGE_HVR950Q:
+ case AU0828_BOARD_DVICO_FUSIONHDTV7:
+ dvb->frontend = dvb_attach(au8522_attach,
+ &hauppauge_hvr950q_config,
+ &dev->i2c_adap);
+ if (dvb->frontend != NULL) {
+ hauppauge_hvr950q_tunerconfig.priv = dev;
+ dvb_attach(xc5000_attach, dvb->frontend,
+ &dev->i2c_adap,
+ &hauppauge_hvr950q_tunerconfig);
+ }
+ break;
+ default:
+ printk("The frontend of your DVB/ATSC card isn't supported yet\n");
+ break;
+ }
+ if (NULL == dvb->frontend) {
+ printk("Frontend initialization failed\n");
+ return -1;
+ }
+
+ /* Put the analog decoder in standby to keep it quiet */
+ au0828_call_i2c_clients(dev, TUNER_SET_STANDBY, NULL);
+
+ if (dvb->frontend->ops.analog_ops.standby)
+ dvb->frontend->ops.analog_ops.standby(dvb->frontend);
+
+ /* register everything */
+ ret = dvb_register(dev);
+ if (ret < 0) {
+ if (dvb->frontend->ops.release)
+ dvb->frontend->ops.release(dvb->frontend);
+ return ret;
+ }
+
+ return 0;
+}
diff --git a/drivers/media/video/au0828/au0828-i2c.c b/drivers/media/video/au0828/au0828-i2c.c
new file mode 100644
index 000000000000..3e7482481152
--- /dev/null
+++ b/drivers/media/video/au0828/au0828-i2c.c
@@ -0,0 +1,402 @@
+/*
+ * Driver for the Auvitek AU0828 USB bridge
+ *
+ * Copyright (c) 2008 Steven Toth <stoth@hauppauge.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.
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <asm/io.h>
+
+#include "au0828.h"
+
+#include <media/v4l2-common.h>
+
+static unsigned int i2c_debug;
+module_param(i2c_debug, int, 0644);
+MODULE_PARM_DESC(i2c_debug, "enable debug messages [i2c]");
+
+static unsigned int i2c_scan = 0;
+module_param(i2c_scan, int, 0444);
+MODULE_PARM_DESC(i2c_scan, "scan i2c bus at insmod time");
+
+#define dprintk(level, fmt, arg...)\
+ do { if (i2c_debug >= level)\
+ printk(KERN_DEBUG "%s/0: " fmt, DRIVER_NAME, ## arg);\
+ } while (0)
+
+#define I2C_WAIT_DELAY 512
+#define I2C_WAIT_RETRY 64
+
+static inline int i2c_slave_did_write_ack(struct i2c_adapter *i2c_adap)
+{
+ struct au0828_dev *dev = i2c_adap->algo_data;
+ return au0828_read(dev, REG_201) & 0x08 ? 0 : 1;
+}
+
+static inline int i2c_slave_did_read_ack(struct i2c_adapter *i2c_adap)
+{
+ struct au0828_dev *dev = i2c_adap->algo_data;
+ return au0828_read(dev, REG_201) & 0x02 ? 0 : 1;
+}
+
+static int i2c_wait_read_ack(struct i2c_adapter *i2c_adap)
+{
+ int count;
+
+ for (count = 0; count < I2C_WAIT_RETRY; count++) {
+ if (!i2c_slave_did_read_ack(i2c_adap))
+ break;
+ udelay(I2C_WAIT_DELAY);
+ }
+
+ if (I2C_WAIT_RETRY == count)
+ return 0;
+
+ return 1;
+}
+
+static inline int i2c_is_read_busy(struct i2c_adapter *i2c_adap)
+{
+ struct au0828_dev *dev = i2c_adap->algo_data;
+ return au0828_read(dev, REG_201) & 0x01 ? 0 : 1;
+}
+
+static int i2c_wait_read_done(struct i2c_adapter *i2c_adap)
+{
+ int count;
+
+ for (count = 0; count < I2C_WAIT_RETRY; count++) {
+ if (!i2c_is_read_busy(i2c_adap))
+ break;
+ udelay(I2C_WAIT_DELAY);
+ }
+
+ if (I2C_WAIT_RETRY == count)
+ return 0;
+
+ return 1;
+}
+
+static inline int i2c_is_write_done(struct i2c_adapter *i2c_adap)
+{
+ struct au0828_dev *dev = i2c_adap->algo_data;
+ return au0828_read(dev, REG_201) & 0x04 ? 1 : 0;
+}
+
+static int i2c_wait_write_done(struct i2c_adapter *i2c_adap)
+{
+ int count;
+
+ for (count = 0; count < I2C_WAIT_RETRY; count++) {
+ if (i2c_is_write_done(i2c_adap))
+ break;
+ udelay(I2C_WAIT_DELAY);
+ }
+
+ if (I2C_WAIT_RETRY == count)
+ return 0;
+
+ return 1;
+}
+
+static inline int i2c_is_busy(struct i2c_adapter *i2c_adap)
+{
+ struct au0828_dev *dev = i2c_adap->algo_data;
+ return au0828_read(dev, REG_201) & 0x10 ? 1 : 0;
+}
+
+static int i2c_wait_done(struct i2c_adapter *i2c_adap)
+{
+ int count;
+
+ for (count = 0; count < I2C_WAIT_RETRY; count++) {
+ if (!i2c_is_busy(i2c_adap))
+ break;
+ udelay(I2C_WAIT_DELAY);
+ }
+
+ if (I2C_WAIT_RETRY == count)
+ return 0;
+
+ return 1;
+}
+
+/* FIXME: Implement join handling correctly */
+static int i2c_sendbytes(struct i2c_adapter *i2c_adap,
+ const struct i2c_msg *msg, int joined_rlen)
+{
+ int i, strobe = 0;
+ struct au0828_dev *dev = i2c_adap->algo_data;
+
+ dprintk(1, "%s()\n", __FUNCTION__);
+
+ au0828_write(dev, REG_2FF, 0x01);
+ au0828_write(dev, REG_202, 0x07);
+
+ /* Hardware needs 8 bit addresses */
+ au0828_write(dev, REG_203, msg->addr << 1);
+
+ if (i2c_debug)
+ dprintk(1, "SEND: %02x\n", msg->addr);
+
+ for (i=0; i < msg->len;) {
+
+ if (i2c_debug)
+ dprintk(1, " %02x\n", msg->buf[i]);
+
+ au0828_write(dev, REG_205, msg->buf[i]);
+
+ strobe++;
+ i++;
+
+ if ((strobe >= 4) || (i >= msg->len)) {
+
+ /* Strobe the byte into the bus */
+ if (i < msg->len)
+ au0828_write(dev, REG_200, 0x41);
+ else
+ au0828_write(dev, REG_200, 0x01);
+
+ /* Reset strobe trigger */
+ strobe = 0;
+
+ if (!i2c_wait_write_done(i2c_adap))
+ return -EIO;
+
+ }
+
+ }
+ if (!i2c_wait_done(i2c_adap))
+ return -EIO;
+
+ if (i2c_debug)
+ dprintk(1, "\n");
+
+ return msg->len;
+}
+
+/* FIXME: Implement join handling correctly */
+static int i2c_readbytes(struct i2c_adapter *i2c_adap,
+ const struct i2c_msg *msg, int joined)
+{
+ struct au0828_dev *dev = i2c_adap->algo_data;
+ int i;
+
+ dprintk(1, "%s()\n", __FUNCTION__);
+
+ au0828_write(dev, REG_2FF, 0x01);
+ au0828_write(dev, REG_202, 0x07);
+
+ /* Hardware needs 8 bit addresses */
+ au0828_write(dev, REG_203, msg->addr << 1);
+
+ if (i2c_debug)
+ dprintk(1, " RECV:\n");
+
+ /* Deal with i2c_scan */
+ if (msg->len == 0) {
+ au0828_write(dev, REG_200, 0x20);
+ if (i2c_wait_read_ack(i2c_adap))
+ return -EIO;
+ return 0;
+ }
+
+ for (i=0; i < msg->len;) {
+
+ i++;
+
+ if (i < msg->len)
+ au0828_write(dev, REG_200, 0x60);
+ else
+ au0828_write(dev, REG_200, 0x20);
+
+ if (!i2c_wait_read_done(i2c_adap))
+ return -EIO;
+
+ msg->buf[i-1] = au0828_read(dev, REG_209) & 0xff;
+
+ if (i2c_debug)
+ dprintk(1, " %02x\n", msg->buf[i-1]);
+ }
+ if (!i2c_wait_done(i2c_adap))
+ return -EIO;
+
+ if (i2c_debug)
+ dprintk(1, "\n");
+
+ return msg->len;
+}
+
+static int i2c_xfer(struct i2c_adapter *i2c_adap,
+ struct i2c_msg *msgs, int num)
+{
+ int i, retval = 0;
+
+ dprintk(1, "%s(num = %d)\n", __FUNCTION__, num);
+
+ for (i = 0 ; i < num; i++) {
+ dprintk(1, "%s(num = %d) addr = 0x%02x len = 0x%x\n",
+ __FUNCTION__, num, msgs[i].addr, msgs[i].len);
+ if (msgs[i].flags & I2C_M_RD) {
+ /* read */
+ retval = i2c_readbytes(i2c_adap, &msgs[i], 0);
+ } else if (i + 1 < num && (msgs[i + 1].flags & I2C_M_RD) &&
+ msgs[i].addr == msgs[i + 1].addr) {
+ /* write then read from same address */
+ retval = i2c_sendbytes(i2c_adap, &msgs[i],
+ msgs[i + 1].len);
+ if (retval < 0)
+ goto err;
+ i++;
+ retval = i2c_readbytes(i2c_adap, &msgs[i], 1);
+ } else {
+ /* write */
+ retval = i2c_sendbytes(i2c_adap, &msgs[i], 0);
+ }
+ if (retval < 0)
+ goto err;
+ }
+ return num;
+
+err:
+ return retval;
+}
+
+static int attach_inform(struct i2c_client *client)
+{
+ dprintk(1, "%s i2c attach [addr=0x%x,client=%s]\n",
+ client->driver->driver.name, client->addr, client->name);
+
+ if (!client->driver->command)
+ return 0;
+
+ return 0;
+}
+
+static int detach_inform(struct i2c_client *client)
+{
+ dprintk(1, "i2c detach [client=%s]\n", client->name);
+
+ return 0;
+}
+
+void au0828_call_i2c_clients(struct au0828_dev *dev,
+ unsigned int cmd, void *arg)
+{
+ if (dev->i2c_rc != 0)
+ return;
+
+ i2c_clients_command(&dev->i2c_adap, cmd, arg);
+}
+
+static u32 au0828_functionality(struct i2c_adapter *adap)
+{
+ return I2C_FUNC_SMBUS_EMUL | I2C_FUNC_I2C;
+}
+
+static struct i2c_algorithm au0828_i2c_algo_template = {
+ .master_xfer = i2c_xfer,
+ .functionality = au0828_functionality,
+};
+
+/* ----------------------------------------------------------------------- */
+
+static struct i2c_adapter au0828_i2c_adap_template = {
+ .name = DRIVER_NAME,
+ .owner = THIS_MODULE,
+ .id = I2C_HW_B_AU0828,
+ .algo = &au0828_i2c_algo_template,
+ .class = I2C_CLASS_TV_ANALOG,
+ .client_register = attach_inform,
+ .client_unregister = detach_inform,
+};
+
+static struct i2c_client au0828_i2c_client_template = {
+ .name = "au0828 internal",
+};
+
+static char *i2c_devs[128] = {
+ [ 0x8e >> 1 ] = "au8522",
+ [ 0xa0 >> 1 ] = "eeprom",
+ [ 0xc2 >> 1 ] = "tuner/xc5000",
+};
+
+static void do_i2c_scan(char *name, struct i2c_client *c)
+{
+ unsigned char buf;
+ int i, rc;
+
+ for (i = 0; i < 128; i++) {
+ c->addr = i;
+ rc = i2c_master_recv(c, &buf, 0);
+ if (rc < 0)
+ continue;
+ printk("%s: i2c scan: found device @ 0x%x [%s]\n",
+ name, i << 1, i2c_devs[i] ? i2c_devs[i] : "???");
+ }
+}
+
+/* init + register i2c algo-bit adapter */
+int au0828_i2c_register(struct au0828_dev *dev)
+{
+ dprintk(1, "%s()\n", __FUNCTION__);
+
+ memcpy(&dev->i2c_adap, &au0828_i2c_adap_template,
+ sizeof(dev->i2c_adap));
+ memcpy(&dev->i2c_algo, &au0828_i2c_algo_template,
+ sizeof(dev->i2c_algo));
+ memcpy(&dev->i2c_client, &au0828_i2c_client_template,
+ sizeof(dev->i2c_client));
+
+ dev->i2c_adap.dev.parent = &dev->usbdev->dev;
+
+ strlcpy(dev->i2c_adap.name, DRIVER_NAME,
+ sizeof(dev->i2c_adap.name));
+
+ dev->i2c_algo.data = dev;
+ dev->i2c_adap.algo_data = dev;
+ i2c_set_adapdata(&dev->i2c_adap, dev);
+ i2c_add_adapter(&dev->i2c_adap);
+
+ dev->i2c_client.adapter = &dev->i2c_adap;
+
+ if (0 == dev->i2c_rc) {
+ printk("%s: i2c bus registered\n", DRIVER_NAME);
+ if (i2c_scan)
+ do_i2c_scan(DRIVER_NAME, &dev->i2c_client);
+ } else
+ printk("%s: i2c bus register FAILED\n", DRIVER_NAME);
+ return dev->i2c_rc;
+}
+
+int au0828_i2c_unregister(struct au0828_dev *dev)
+{
+ i2c_del_adapter(&dev->i2c_adap);
+ return 0;
+}
+
+/* ----------------------------------------------------------------------- */
+
+/*
+ * Local variables:
+ * c-basic-offset: 8
+ * End:
+ */
diff --git a/drivers/media/video/au0828/au0828-reg.h b/drivers/media/video/au0828/au0828-reg.h
new file mode 100644
index 000000000000..c501f6a52af3
--- /dev/null
+++ b/drivers/media/video/au0828/au0828-reg.h
@@ -0,0 +1,35 @@
+/*
+ * Driver for the Auvitek USB bridge
+ *
+ * Copyright (c) 2008 Steven Toth <stoth@hauppauge.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.
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#define REG_000 0x000
+#define REG_001 0x001
+#define REG_002 0x002
+#define REG_003 0x003
+
+#define REG_200 0x200
+#define REG_201 0x201
+#define REG_202 0x202
+#define REG_203 0x203
+#define REG_205 0x205
+#define REG_209 0x209
+#define REG_2FF 0x2ff
+
+#define REG_600 0x600
diff --git a/drivers/media/video/au0828/au0828.h b/drivers/media/video/au0828/au0828.h
new file mode 100644
index 000000000000..517227667040
--- /dev/null
+++ b/drivers/media/video/au0828/au0828.h
@@ -0,0 +1,117 @@
+/*
+ * Driver for the Auvitek AU0828 USB bridge
+ *
+ * Copyright (c) 2008 Steven Toth <stoth@hauppauge.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.
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/usb.h>
+#include <linux/i2c.h>
+#include <linux/i2c-algo-bit.h>
+
+/* DVB */
+#include "demux.h"
+#include "dmxdev.h"
+#include "dvb_demux.h"
+#include "dvb_frontend.h"
+#include "dvb_net.h"
+#include "dvbdev.h"
+
+#include "au0828-reg.h"
+#include "au0828-cards.h"
+
+#define DRIVER_NAME "au0828"
+#define URB_COUNT 16
+//#define URB_BUFSIZE (312 * 188)
+#define URB_BUFSIZE (0xe522)
+
+struct au0828_board {
+ char *name;
+};
+
+struct au0828_dvb {
+ struct mutex lock;
+ struct dvb_adapter adapter;
+ struct dvb_frontend *frontend;
+ struct dvb_demux demux;
+ struct dmxdev dmxdev;
+ struct dmx_frontend fe_hw;
+ struct dmx_frontend fe_mem;
+ struct dvb_net net;
+ int feeding;
+};
+
+struct au0828_dev {
+ struct mutex mutex;
+ struct usb_device *usbdev;
+ int board;
+ u8 ctrlmsg[64];
+
+ /* I2C */
+ struct i2c_adapter i2c_adap;
+ struct i2c_algo_bit_data i2c_algo;
+ struct i2c_client i2c_client;
+ u32 i2c_rc;
+
+ /* Digital */
+ struct au0828_dvb dvb;
+
+ /* USB / URB Related */
+ int urb_streaming;
+ struct urb *urbs[URB_COUNT];
+
+};
+
+struct au0828_buff {
+ struct au0828_dev *dev;
+ struct urb *purb;
+ struct list_head buff_list;
+};
+
+/* ----------------------------------------------------------- */
+#define au0828_read(dev,reg) au0828_readreg(dev,reg)
+#define au0828_write(dev,reg,value) au0828_writereg(dev,reg,value)
+#define au0828_andor(dev,reg,mask,value) \
+ au0828_writereg(dev,reg,(au0828_readreg(dev,reg)&~(mask))|((value)&(mask)))
+
+#define au0828_set(dev,reg,bit) au0828_andor(dev,(reg),(bit),(bit))
+#define au0828_clear(dev,reg,bit) au0828_andor(dev,(reg),(bit),0)
+
+/* ----------------------------------------------------------- */
+/* au0828-core.c */
+extern u32 au0828_read(struct au0828_dev *dev, u16 reg);
+extern u32 au0828_write(struct au0828_dev *dev, u16 reg, u32 val);
+
+/* ----------------------------------------------------------- */
+/* au0828-cards.c */
+extern struct au0828_board au0828_boards[];
+extern struct usb_device_id au0828_usb_id_table[];
+extern const unsigned int au0828_bcount;
+extern void au0828_gpio_setup(struct au0828_dev *dev);
+extern int au0828_tuner_callback(void *priv, int command, int arg);
+
+/* ----------------------------------------------------------- */
+/* au0828-i2c.c */
+extern int au0828_i2c_register(struct au0828_dev *dev);
+extern int au0828_i2c_unregister(struct au0828_dev *dev);
+extern void au0828_call_i2c_clients(struct au0828_dev *dev,
+ unsigned int cmd, void *arg);
+
+/* ----------------------------------------------------------- */
+/* au0828-dvb.c */
+extern int au0828_dvb_register(struct au0828_dev *dev);
+extern void au0828_dvb_unregister(struct au0828_dev *dev);

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