android/android_kernel_samsung_sm8650
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

V4L/DVB (6948): HVR950 requires additional settings for audio to properly work

Browse Source 
Thanks to Markus Rechberger <mrechberger@gmail.com> for retriving those
commands.

Also, MTS firmware is required for audio to work on HVR950.

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Mauro Carvalho Chehab 2008-01-05 09:54:58 -03:00
parent 539c96d0fd
commit 74f38a8237
2 changed files with 48 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

45
drivers/media/video/em28xx/em28xx-cards.c
View File

@ -179,6 +179,7 @@ struct em28xx_board em28xx_boards[] = {
.tda9887_conf = TDA9887_PRESENT,
.tuner_type = TUNER_XC2028,
.has_tuner = 1,
.mts_firmware = 1,
.decoder = EM28XX_TVP5150,
.input = { {
.type = EM28XX_VMUX_TELEVISION,
@ -193,6 +194,9 @@ struct em28xx_board em28xx_boards[] = {
.vmux = TVP5150_SVIDEO,
.amux = 1,
} },
/* gpio's 4, 1, 0 */
.analog_gpio = 0x003d2d,
},
[EM2880_BOARD_TERRATEC_HYBRID_XS] = {
.name = "Terratec Hybrid XS",
@ -453,8 +457,18 @@ void em28xx_pre_card_setup(struct em28xx *dev)
case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900:
case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_950:
case EM2880_BOARD_TERRATEC_HYBRID_XS:
/* reset through GPIO? */
em28xx_write_regs_req(dev, 0x00, 0x08, "\x7d", 1);
em28xx_write_regs(dev, XCLK_REG, "\x27", 1);
em28xx_write_regs(dev, I2C_CLK_REG, "\x40", 1);
em28xx_write_regs(dev, 0x08, "\xff", 1);
em28xx_write_regs(dev, 0x04, "\x00", 1);
msleep(100);
em28xx_write_regs(dev, 0x04, "\x08", 1);
msleep(100);
em28xx_write_regs(dev, 0x08, "\xff", 1);
msleep(50);
em28xx_write_regs(dev, 0x08, "\x2d", 1);
msleep(50);
em28xx_write_regs(dev, 0x08, "\x3d", 1);
break;
}
}
@ -469,13 +483,31 @@ static int em28xx_tuner_callback(void *ptr, int command, int arg)
switch (command) {
case XC2028_TUNER_RESET:
/* FIXME: This is device-dependent */
{
char gpio0, gpio1, gpio4;
/* GPIO and initialization codes for analog TV */
gpio0 = dev->analog_gpio & 0xff;
gpio1 = (dev->analog_gpio >> 8) & 0xff;
gpio4 = dev->analog_gpio >> 24;
dev->em28xx_write_regs_req(dev, 0x00, 0x48, "\x00", 1);
dev->em28xx_write_regs_req(dev, 0x00, 0x12, "\x67", 1);
msleep(140);
if (gpio4) {
dev->em28xx_write_regs(dev, 0x04, &gpio4, 1);
msleep(140);
}
msleep(6);
dev->em28xx_write_regs(dev, 0x08, &gpio0, 1);
msleep(10);
dev->em28xx_write_regs(dev, 0x08, &gpio1, 1);
msleep(5);
break;
}
}
return rc;
}
@ -608,6 +640,7 @@ static void em28xx_set_model(struct em28xx *dev)
dev->tda9887_conf = em28xx_boards[dev->model].tda9887_conf;
dev->decoder = em28xx_boards[dev->model].decoder;
dev->video_inputs = em28xx_boards[dev->model].vchannels;
dev->analog_gpio = em28xx_boards[dev->model].analog_gpio;
if (!em28xx_boards[dev->model].has_tuner)
dev->tuner_type = UNSET;
@ -643,7 +676,9 @@ void em28xx_card_setup(struct em28xx *dev)
if (tv.has_ir)
request_module("ir-kbd-i2c");
#endif
/* FIXME: Should also retrieve decoder processor type */
/* enable audio 12 mhz i2s */
em28xx_write_regs(dev, XCLK_REG, "\xa7", 1);
msleep(10);
break;
}

13
drivers/media/video/em28xx/em28xx.h
View File

@ -178,12 +178,13 @@ struct em28xx_board {
int tuner_type;
/* i2c flags */
unsigned int is_em2800;
unsigned int tda9887_conf;
unsigned int is_em2800:1;
unsigned int has_tuner:1;
unsigned int has_msp34xx:1;
unsigned int mts_firmware:1;
unsigned int analog_gpio;
enum em28xx_decoder decoder;
@ -217,15 +218,16 @@ struct em28xx {
char name[30]; /* name (including minor) of the device */
int model; /* index in the device_data struct */
int devno; /* marks the number of this device */
unsigned int is_em2800;
int video_inputs; /* number of video inputs */
struct list_head devlist;
unsigned int analog_gpio;
unsigned int is_em2800:1;
unsigned int has_tuner:1;
unsigned int has_msp34xx:1;
unsigned int has_tda9887:1;
unsigned int stream_on:1; /* Locks streams */
int video_inputs; /* number of video inputs */
struct list_head devlist;
u32 i2s_speed; /* I2S speed for audio digital stream */
enum em28xx_decoder decoder;
@ -351,6 +353,7 @@ extern const unsigned int em28xx_bcount;
#define EM2800_AUDIOSRC_REG 0x08
/* em28xx registers */
#define I2C_CLK_REG 0x06
#define CHIPID_REG 0x0a
#define USBSUSP_REG 0x0c /* */