diff options
Diffstat (limited to 'drivers/media/video/saa7134')
| -rw-r--r-- | drivers/media/video/saa7134/saa7134-cards.c | 46 | ||||
| -rw-r--r-- | drivers/media/video/saa7134/saa7134.h | 23 |
2 files changed, 49 insertions, 20 deletions
diff --git a/drivers/media/video/saa7134/saa7134-cards.c b/drivers/media/video/saa7134/saa7134-cards.c index 0d50d7448fc..42684d16204 100644 --- a/drivers/media/video/saa7134/saa7134-cards.c +++ b/drivers/media/video/saa7134/saa7134-cards.c @@ -5896,6 +5896,32 @@ static void hauppauge_eeprom(struct saa7134_dev *dev, u8 *eeprom_data) /* ----------------------------------------------------------- */ +static void nxt200x_gate_ctrl(struct saa7134_dev *dev, int open) +{ + /* enable tuner */ + int i; + static const u8 buffer [][2] = { + { 0x10, 0x12 }, + { 0x13, 0x04 }, + { 0x16, 0x00 }, + { 0x14, 0x04 }, + { 0x17, 0x00 }, + }; + + dev->i2c_client.addr = 0x0a; + + /* FIXME: don't know how to close the i2c gate on NXT200x */ + if (!open) + return; + + for (i = 0; i < ARRAY_SIZE(buffer); i++) + if (2 != i2c_master_send(&dev->i2c_client, + &buffer[i][0], ARRAY_SIZE(buffer[0]))) + printk(KERN_WARNING + "%s: Unable to enable tuner(%i).\n", + dev->name, i); +} + int saa7134_board_init1(struct saa7134_dev *dev) { /* Always print gpio, often manufacturers encode tuner type and other info. */ @@ -6089,6 +6115,10 @@ int saa7134_board_init1(struct saa7134_dev *dev) "are supported for now.\n", dev->name, card(dev).name, dev->name); break; + case SAA7134_BOARD_ADS_INSTANT_HDTV_PCI: + case SAA7134_BOARD_KWORLD_ATSC110: + dev->gate_ctrl = nxt200x_gate_ctrl; + break; } return 0; } @@ -6350,22 +6380,6 @@ int saa7134_board_init2(struct saa7134_dev *dev) i2c_transfer(&dev->i2c_adap, &msg, 1); break; } - case SAA7134_BOARD_ADS_INSTANT_HDTV_PCI: - case SAA7134_BOARD_KWORLD_ATSC110: - { - /* enable tuner */ - int i; - static const u8 buffer [] = { 0x10, 0x12, 0x13, 0x04, 0x16, - 0x00, 0x14, 0x04, 0x17, 0x00 }; - dev->i2c_client.addr = 0x0a; - for (i = 0; i < 5; i++) - if (2 != i2c_master_send(&dev->i2c_client, - &buffer[i*2], 2)) - printk(KERN_WARNING - "%s: Unable to enable tuner(%i).\n", - dev->name, i); - break; - } case SAA7134_BOARD_VIDEOMATE_DVBT_200: case SAA7134_BOARD_VIDEOMATE_DVBT_200A: /* The T200 and the T200A share the same pci id. Consequently, diff --git a/drivers/media/video/saa7134/saa7134.h b/drivers/media/video/saa7134/saa7134.h index bb6952118d0..6fbf5088c97 100644 --- a/drivers/media/video/saa7134/saa7134.h +++ b/drivers/media/video/saa7134/saa7134.h @@ -589,6 +589,7 @@ struct saa7134_dev { int (*original_set_voltage)(struct dvb_frontend *fe, fe_sec_voltage_t voltage); int (*original_set_high_voltage)(struct dvb_frontend *fe, long arg); #endif + void (*gate_ctrl)(struct saa7134_dev *dev, int open); }; /* ----------------------------------------------------------- */ @@ -618,10 +619,24 @@ struct saa7134_dev { V4L2_STD_PAL_60) #define GRP_EMPRESS (1) -#define saa_call_all(dev, o, f, args...) \ - v4l2_device_call_all(&(dev)->v4l2_dev, 0, o, f , ##args) -#define saa_call_empress(dev, o, f, args...) \ - v4l2_device_call_until_err(&(dev)->v4l2_dev, GRP_EMPRESS, o, f , ##args) +#define saa_call_all(dev, o, f, args...) do { \ + if (dev->gate_ctrl) \ + dev->gate_ctrl(dev, 1); \ + v4l2_device_call_all(&(dev)->v4l2_dev, 0, o, f , ##args); \ + if (dev->gate_ctrl) \ + dev->gate_ctrl(dev, 0); \ +} while (0) + +#define saa_call_empress(dev, o, f, args...) ({ \ + long _rc; \ + if (dev->gate_ctrl) \ + dev->gate_ctrl(dev, 1); \ + _rc = v4l2_device_call_until_err(&(dev)->v4l2_dev, \ + GRP_EMPRESS, o, f , ##args); \ + if (dev->gate_ctrl) \ + dev->gate_ctrl(dev, 0); \ + _rc; \ +}) /* ----------------------------------------------------------- */ /* saa7134-core.c */ |