diff options
| author | Stefan Brüns <stefan.bruens@rwth-aachen.de> | 2017-02-16 22:55:31 -0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2017-04-14 22:27:47 -0300 |
| commit | 3a2824c72ab5d9b2b93d49461f09d5ae342d994c (patch) | |
| tree | 1458ff0228f6029147f7437776e3ea059b190343 /drivers/media/tuners | |
| parent | 297e14d5c6b6b51ccb79986b5e1dbbf8b7bd92bc (diff) | |
[media] si2157: Add support for Si2141-A10
The Si2141 needs two distinct commands for powerup/reset, otherwise it
will not respond to chip revision requests. It also needs a firmware
to run properly.
Cc: Evgeny Plehov <EvgenyPlehov@ukr.net>
Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media/tuners')
| -rw-r--r-- | drivers/media/tuners/si2157.c | 23 | ||||
| -rw-r--r-- | drivers/media/tuners/si2157_priv.h | 2 |
2 files changed, 23 insertions, 2 deletions
diff --git a/drivers/media/tuners/si2157.c b/drivers/media/tuners/si2157.c index 57b250847cd3..e35b1faf0ddc 100644 --- a/drivers/media/tuners/si2157.c +++ b/drivers/media/tuners/si2157.c @@ -106,6 +106,9 @@ static int si2157_init(struct dvb_frontend *fe) if (dev->chiptype == SI2157_CHIPTYPE_SI2146) { memcpy(cmd.args, "\xc0\x05\x01\x00\x00\x0b\x00\x00\x01", 9); cmd.wlen = 9; + } else if (dev->chiptype == SI2157_CHIPTYPE_SI2141) { + memcpy(cmd.args, "\xc0\x00\x0d\x0e\x00\x01\x01\x01\x01\x03", 10); + cmd.wlen = 10; } else { memcpy(cmd.args, "\xc0\x00\x0c\x00\x00\x01\x01\x01\x01\x01\x01\x02\x00\x00\x01", 15); cmd.wlen = 15; @@ -115,6 +118,15 @@ static int si2157_init(struct dvb_frontend *fe) if (ret) goto err; + /* Si2141 needs a second command before it answers the revision query */ + if (dev->chiptype == SI2157_CHIPTYPE_SI2141) { + memcpy(cmd.args, "\xc0\x08\x01\x02\x00\x00\x01", 7); + cmd.wlen = 7; + ret = si2157_cmd_execute(client, &cmd); + if (ret) + goto err; + } + /* query chip revision */ memcpy(cmd.args, "\x02", 1); cmd.wlen = 1; @@ -131,12 +143,16 @@ static int si2157_init(struct dvb_frontend *fe) #define SI2157_A30 ('A' << 24 | 57 << 16 | '3' << 8 | '0' << 0) #define SI2147_A30 ('A' << 24 | 47 << 16 | '3' << 8 | '0' << 0) #define SI2146_A10 ('A' << 24 | 46 << 16 | '1' << 8 | '0' << 0) + #define SI2141_A10 ('A' << 24 | 41 << 16 | '1' << 8 | '0' << 0) switch (chip_id) { case SI2158_A20: case SI2148_A20: fw_name = SI2158_A20_FIRMWARE; break; + case SI2141_A10: + fw_name = SI2141_A10_FIRMWARE; + break; case SI2157_A30: case SI2147_A30: case SI2146_A10: @@ -371,7 +387,7 @@ static int si2157_get_if_frequency(struct dvb_frontend *fe, u32 *frequency) static const struct dvb_tuner_ops si2157_ops = { .info = { - .name = "Silicon Labs Si2146/2147/2148/2157/2158", + .name = "Silicon Labs Si2141/Si2146/2147/2148/2157/2158", .frequency_min = 42000000, .frequency_max = 870000000, }, @@ -471,6 +487,7 @@ 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"); @@ -508,6 +525,7 @@ static int si2157_remove(struct i2c_client *client) static const struct i2c_device_id si2157_id_table[] = { {"si2157", SI2157_CHIPTYPE_SI2157}, {"si2146", SI2157_CHIPTYPE_SI2146}, + {"si2141", SI2157_CHIPTYPE_SI2141}, {} }; MODULE_DEVICE_TABLE(i2c, si2157_id_table); @@ -524,7 +542,8 @@ static struct i2c_driver si2157_driver = { module_i2c_driver(si2157_driver); -MODULE_DESCRIPTION("Silicon Labs Si2146/2147/2148/2157/2158 silicon tuner driver"); +MODULE_DESCRIPTION("Silicon Labs Si2141/Si2146/2147/2148/2157/2158 silicon tuner driver"); MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>"); MODULE_LICENSE("GPL"); MODULE_FIRMWARE(SI2158_A20_FIRMWARE); +MODULE_FIRMWARE(SI2141_A10_FIRMWARE); diff --git a/drivers/media/tuners/si2157_priv.h b/drivers/media/tuners/si2157_priv.h index d6b2c7b44053..e6436f74abaa 100644 --- a/drivers/media/tuners/si2157_priv.h +++ b/drivers/media/tuners/si2157_priv.h @@ -42,6 +42,7 @@ struct si2157_dev { #define SI2157_CHIPTYPE_SI2157 0 #define SI2157_CHIPTYPE_SI2146 1 +#define SI2157_CHIPTYPE_SI2141 2 /* firmware command struct */ #define SI2157_ARGLEN 30 @@ -52,5 +53,6 @@ struct si2157_cmd { }; #define SI2158_A20_FIRMWARE "dvb-tuner-si2158-a20-01.fw" +#define SI2141_A10_FIRMWARE "dvb-tuner-si2141-a10-01.fw" #endif |