diff options
Diffstat (limited to 'drivers/media/tuners')
| -rw-r--r-- | drivers/media/tuners/si2157.c | 45 | ||||
| -rw-r--r-- | drivers/media/tuners/si2157_priv.h | 7 |
2 files changed, 28 insertions, 24 deletions
diff --git a/drivers/media/tuners/si2157.c b/drivers/media/tuners/si2157.c index bb590395e81a..7e44cba67c38 100644 --- a/drivers/media/tuners/si2157.c +++ b/drivers/media/tuners/si2157.c @@ -185,6 +185,9 @@ static int si2157_find_and_load_firmware(struct dvb_frontend *fe) return -EINVAL; } + /* Update the part id based on device's report */ + dev->part_id = part_id; + dev_info(&client->dev, "found a 'Silicon Labs Si21%d-%c%c%c ROM 0x%02x'\n", part_id, cmd.args[1], cmd.args[3], cmd.args[4], rom_id); @@ -235,10 +238,12 @@ static int si2157_init(struct dvb_frontend *fe) dev->if_frequency = 0; /* we no longer know current tuner state */ /* power up */ - if (dev->chiptype == SI2157_CHIPTYPE_SI2146) { + if (dev->part_id == SI2146) { + /* clock_mode = XTAL, clock_freq = 24MHz */ memcpy(cmd.args, "\xc0\x05\x01\x00\x00\x0b\x00\x00\x01", 9); cmd.wlen = 9; - } else if (dev->chiptype == SI2157_CHIPTYPE_SI2141) { + } else if (dev->part_id == SI2141) { + /* clock_mode: XTAL, xout enabled */ memcpy(cmd.args, "\xc0\x00\x0d\x0e\x00\x01\x01\x01\x01\x03", 10); cmd.wlen = 10; } else { @@ -247,11 +252,11 @@ static int si2157_init(struct dvb_frontend *fe) } cmd.rlen = 1; ret = si2157_cmd_execute(client, &cmd); - if (ret && (dev->chiptype != SI2157_CHIPTYPE_SI2141 || ret != -EAGAIN)) + if (ret && (dev->part_id != SI2141 || ret != -EAGAIN)) goto err; - /* Si2141 needs a second command before it answers the revision query */ - if (dev->chiptype == SI2157_CHIPTYPE_SI2141) { + /* Si2141 needs a wake up command */ + if (dev->part_id == SI2141) { memcpy(cmd.args, "\xc0\x08\x01\x02\x00\x00\x01", 7); cmd.wlen = 7; ret = si2157_cmd_execute(client, &cmd); @@ -493,7 +498,8 @@ static int si2157_set_params(struct dvb_frontend *fe) if (ret) goto err; - if (dev->chiptype == SI2157_CHIPTYPE_SI2146) + /* On SI2146, set DTV AGC source to DLIF_AGC_3DB */ + if (dev->part_id == SI2146) memcpy(cmd.args, "\x14\x00\x02\x07\x00\x01", 6); else memcpy(cmd.args, "\x14\x00\x02\x07\x00\x00", 6); @@ -560,9 +566,9 @@ static int si2157_set_analog_params(struct dvb_frontend *fe, u8 color = 0; /* 0=NTSC/PAL, 0x10=SECAM */ u8 invert_analog = 1; /* analog tuner spectrum; 0=normal, 1=inverted */ - if (dev->chiptype != SI2157_CHIPTYPE_SI2157) { - dev_info(&client->dev, "Analog tuning not supported for chiptype=%u\n", - dev->chiptype); + if (dev->part_id != SI2157) { + dev_info(&client->dev, "Analog tuning not supported yet for Si21%d\n", + dev->part_id); ret = -EINVAL; goto err; } @@ -874,7 +880,7 @@ static int si2157_probe(struct i2c_client *client, dev->inversion = cfg->inversion; dev->dont_load_firmware = cfg->dont_load_firmware; dev->if_port = cfg->if_port; - dev->chiptype = (u8)id->driver_data; + dev->part_id = (u8)id->driver_data; dev->if_frequency = 5000000; /* default value of property 0x0706 */ mutex_init(&dev->i2c_mutex); INIT_DELAYED_WORK(&dev->stat_work, si2157_stat_work); @@ -917,10 +923,8 @@ static int si2157_probe(struct i2c_client *client, } #endif - dev_info(&client->dev, "Silicon Labs %s successfully attached\n", - dev->chiptype == SI2157_CHIPTYPE_SI2141 ? "Si2141" : - dev->chiptype == SI2157_CHIPTYPE_SI2146 ? - "Si2146" : "Si2147/2148/2157/2158"); + dev_info(&client->dev, "Silicon Labs Si21%d successfully attached\n", + dev->part_id); return 0; @@ -953,11 +957,16 @@ static int si2157_remove(struct i2c_client *client) return 0; } +/* + * The part_id used here will only be used on buggy devices that don't + * accept firmware uploads. Non-buggy devices should just use "si2157" for + * all SiLabs TER tuners, as the driver should auto-detect it. + */ static const struct i2c_device_id si2157_id_table[] = { - {"si2157", SI2157_CHIPTYPE_SI2157}, - {"si2146", SI2157_CHIPTYPE_SI2146}, - {"si2141", SI2157_CHIPTYPE_SI2141}, - {"si2177", SI2157_CHIPTYPE_SI2177}, + {"si2157", SI2157}, + {"si2146", SI2146}, + {"si2141", SI2141}, + {"si2177", SI2177}, {} }; MODULE_DEVICE_TABLE(i2c, si2157_id_table); diff --git a/drivers/media/tuners/si2157_priv.h b/drivers/media/tuners/si2157_priv.h index 0db21b082ba9..df17a5f03561 100644 --- a/drivers/media/tuners/si2157_priv.h +++ b/drivers/media/tuners/si2157_priv.h @@ -26,7 +26,7 @@ struct si2157_dev { unsigned int active:1; unsigned int inversion:1; unsigned int dont_load_firmware:1; - u8 chiptype; + u8 part_id; u8 if_port; u32 if_frequency; u32 bandwidth; @@ -58,11 +58,6 @@ struct si2157_tuner_info { const char *fw_name, *fw_alt_name; }; -#define SI2157_CHIPTYPE_SI2157 0 -#define SI2157_CHIPTYPE_SI2146 1 -#define SI2157_CHIPTYPE_SI2141 2 -#define SI2157_CHIPTYPE_SI2177 3 - /* firmware command struct */ #define SI2157_ARGLEN 30 struct si2157_cmd { |