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authorMauro Carvalho Chehab <mchehab@redhat.com>2010-09-10 20:29:14 (GMT)
committerMauro Carvalho Chehab <mchehab@redhat.com>2010-09-11 15:56:36 (GMT)
commitb8373ed23679cdc36d0e07eaf80c44a7b7af07e6 (patch)
tree264592f65c136b35cd83433dba1cca2f5b03c431
parent45587168e50d6a2e766454ef952cd5870c3f4081 (diff)
V4L/DVB: em28xx: Add support for Leadership ISDB-Tstaging/leadership
This device uses an em2874B + Sharp 921 One Seg frontend. Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
-rw-r--r--Documentation/video4linux/CARDLIST.em28xx2
-rw-r--r--drivers/media/video/em28xx/Kconfig1
-rw-r--r--drivers/media/video/em28xx/em28xx-cards.c66
-rw-r--r--drivers/media/video/em28xx/em28xx-dvb.c16
-rw-r--r--drivers/media/video/em28xx/em28xx.h2
5 files changed, 82 insertions, 5 deletions
diff --git a/Documentation/video4linux/CARDLIST.em28xx b/Documentation/video4linux/CARDLIST.em28xx
index 5c56875..7ec57d2 100644
--- a/Documentation/video4linux/CARDLIST.em28xx
+++ b/Documentation/video4linux/CARDLIST.em28xx
@@ -1,5 +1,5 @@
0 -> Unknown EM2800 video grabber (em2800) [eb1a:2800]
- 1 -> Unknown EM2750/28xx video grabber (em2820/em2840) [eb1a:2710,eb1a:2820,eb1a:2821,eb1a:2860,eb1a:2861,eb1a:2862,eb1a:2863,eb1a:2870,eb1a:2881,eb1a:2883,eb1a:2868]
+ 1 -> Unknown EM2750/28xx video grabber (em2820/em2840) [eb1a:2710,eb1a:2820,eb1a:2821,eb1a:2860,eb1a:2861,eb1a:2862,eb1a:2863,eb1a:2870,eb1a:2881,eb1a:2883,eb1a:2868,eb1a:2875]
2 -> Terratec Cinergy 250 USB (em2820/em2840) [0ccd:0036]
3 -> Pinnacle PCTV USB 2 (em2820/em2840) [2304:0208]
4 -> Hauppauge WinTV USB 2 (em2820/em2840) [2040:4200,2040:4201]
diff --git a/drivers/media/video/em28xx/Kconfig b/drivers/media/video/em28xx/Kconfig
index 66aefd6..8d38c5f 100644
--- a/drivers/media/video/em28xx/Kconfig
+++ b/drivers/media/video/em28xx/Kconfig
@@ -37,6 +37,7 @@ config VIDEO_EM28XX_DVB
select DVB_LGDT330X if !DVB_FE_CUSTOMISE
select DVB_ZL10353 if !DVB_FE_CUSTOMISE
select DVB_TDA10023 if !DVB_FE_CUSTOMISE
+ select DVB_S921 if !DVB_FE_CUSTOMISE
select VIDEOBUF_DVB
---help---
This adds support for DVB cards based on the
diff --git a/drivers/media/video/em28xx/em28xx-cards.c b/drivers/media/video/em28xx/em28xx-cards.c
index ffbe544..c977cff 100644
--- a/drivers/media/video/em28xx/em28xx-cards.c
+++ b/drivers/media/video/em28xx/em28xx-cards.c
@@ -256,6 +256,20 @@ static struct em28xx_reg_seq dikom_dk300_digital[] = {
};
+/* Reset for the most [digital] boards */
+static struct em28xx_reg_seq leadership_digital[] = {
+ {EM2874_R80_GPIO, 0x70, 0xff, 10},
+ { -1, -1, -1, -1},
+};
+
+static struct em28xx_reg_seq leadership_reset[] = {
+ {EM2874_R80_GPIO, 0xf0, 0xff, 10},
+ {EM2874_R80_GPIO, 0xb0, 0xff, 10},
+ {EM2874_R80_GPIO, 0xf0, 0xff, 10},
+ { -1, -1, -1, -1},
+};
+
+
/*
* Board definitions
*/
@@ -1212,6 +1226,19 @@ struct em28xx_board em28xx_boards[] = {
.vmux = SAA7115_COMPOSITE0,
} },
},
+
+ [EM2874_LEADERSHIP_ISDBT] = {
+ .i2c_speed = EM2874_I2C_SECONDARY_BUS_SELECT |
+ EM28XX_I2C_CLK_WAIT_ENABLE |
+ EM28XX_I2C_FREQ_100_KHZ,
+ .xclk = EM28XX_XCLK_FREQUENCY_10MHZ,
+ .name = "EM2874 Leadership ISDBT",
+ .tuner_type = TUNER_ABSENT,
+ .tuner_gpio = leadership_reset,
+ .dvb_gpio = leadership_digital,
+ .has_dvb = 1,
+ },
+
[EM2880_BOARD_MSI_DIGIVOX_AD] = {
.name = "MSI DigiVox A/D",
.valid = EM28XX_BOARD_NOT_VALIDATED,
@@ -1726,6 +1753,8 @@ struct usb_device_id em28xx_id_table[] = {
.driver_info = EM2820_BOARD_UNKNOWN },
{ USB_DEVICE(0xeb1a, 0x2868),
.driver_info = EM2820_BOARD_UNKNOWN },
+ { USB_DEVICE(0xeb1a, 0x2875),
+ .driver_info = EM2820_BOARD_UNKNOWN },
{ USB_DEVICE(0xeb1a, 0xe300),
.driver_info = EM2861_BOARD_KWORLD_PVRTV_300U },
{ USB_DEVICE(0xeb1a, 0xe303),
@@ -1843,6 +1872,7 @@ static struct em28xx_hash_table em28xx_i2c_hash[] = {
{0x77800080, EM2860_BOARD_TVP5150_REFERENCE_DESIGN, TUNER_ABSENT},
{0xc51200e3, EM2820_BOARD_GADMEI_TVR200, TUNER_LG_PAL_NEW_TAPC},
{0x4ba50080, EM2861_BOARD_GADMEI_UTV330PLUS, TUNER_TNF_5335MF},
+ {0x6b800080, EM2874_LEADERSHIP_ISDBT, TUNER_ABSENT},
};
/* I2C possible address to saa7115, tvp5150, msp3400, tvaudio */
@@ -2399,8 +2429,36 @@ void em28xx_card_setup(struct em28xx *dev)
dev->board.is_webcam = 0;
else
dev->progressive = 1;
- } else
- em28xx_set_model(dev);
+ }
+
+ if (!dev->board.is_webcam) {
+ switch (dev->model) {
+ case EM2820_BOARD_UNKNOWN:
+ case EM2800_BOARD_UNKNOWN:
+ /*
+ * The K-WORLD DVB-T 310U is detected as an MSI Digivox AD.
+ *
+ * This occurs because they share identical USB vendor and
+ * product IDs.
+ *
+ * What we do here is look up the EEPROM hash of the K-WORLD
+ * and if it is found then we decide that we do not have
+ * a DIGIVOX and reset the device to the K-WORLD instead.
+ *
+ * This solution is only valid if they do not share eeprom
+ * hash identities which has not been determined as yet.
+ */
+ if (em28xx_hint_board(dev) < 0)
+ em28xx_errdev("Board not discovered\n");
+ else {
+ em28xx_set_model(dev);
+ em28xx_pre_card_setup(dev);
+ }
+ break;
+ default:
+ em28xx_set_model(dev);
+ }
+ }
em28xx_info("Identified as %s (card=%d)\n",
dev->board.name, dev->model);
@@ -2718,8 +2776,8 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev,
em28xx_pre_card_setup(dev);
if (!dev->board.is_em2800) {
- /* Sets I2C speed to 100 KHz */
- retval = em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
+ /* Resets I2C speed */
+ em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, dev->board.i2c_speed);
if (retval < 0) {
em28xx_errdev("%s: em28xx_write_regs_req failed!"
" retval [%d]\n",
diff --git a/drivers/media/video/em28xx/em28xx-dvb.c b/drivers/media/video/em28xx/em28xx-dvb.c
index 3ac8d30..c7c04bf 100644
--- a/drivers/media/video/em28xx/em28xx-dvb.c
+++ b/drivers/media/video/em28xx/em28xx-dvb.c
@@ -37,6 +37,7 @@
#include "mt352_priv.h" /* FIXME */
#include "tda1002x.h"
#include "tda18271.h"
+#include "s921.h"
MODULE_DESCRIPTION("driver for em28xx based DVB cards");
MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>");
@@ -245,6 +246,10 @@ static struct lgdt3305_config em2870_lgdt3304_dev = {
.qam_if_khz = 4000,
};
+static struct s921_config sharp_isdbt = {
+ .demod_address = 0x30 >> 1
+};
+
static struct zl10353_config em28xx_zl10353_with_xc3028 = {
.demod_address = (0x1e >> 1),
.no_tuner = 1,
@@ -481,6 +486,7 @@ static int dvb_init(struct em28xx *dev)
if (!dev->board.has_dvb) {
/* This device does not support the extension */
+ printk(KERN_INFO "em28xx_dvb: This device does not support the extension\n");
return 0;
}
@@ -496,6 +502,16 @@ static int dvb_init(struct em28xx *dev)
em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
/* init frontend */
switch (dev->model) {
+ case EM2874_LEADERSHIP_ISDBT:
+ dvb->frontend = dvb_attach(s921_attach,
+ &sharp_isdbt, &dev->i2c_adap);
+
+ if (!dvb->frontend) {
+ result = -EINVAL;
+ goto out_free;
+ }
+
+ break;
case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850:
case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950:
case EM2880_BOARD_PINNACLE_PCTV_HD_PRO:
diff --git a/drivers/media/video/em28xx/em28xx.h b/drivers/media/video/em28xx/em28xx.h
index 1c61a6b..5ce7475 100644
--- a/drivers/media/video/em28xx/em28xx.h
+++ b/drivers/media/video/em28xx/em28xx.h
@@ -115,6 +115,8 @@
#define EM2800_BOARD_VC211A 74
#define EM2882_BOARD_DIKOM_DK300 75
#define EM2870_BOARD_KWORLD_A340 76
+#define EM2874_LEADERSHIP_ISDBT 77
+
/* Limits minimum and default number of buffers */
#define EM28XX_MIN_BUF 4

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