diff options
Diffstat (limited to 'drivers/media/tuners')
| -rw-r--r-- | drivers/media/tuners/si2157.c | 70 | ||||
| -rw-r--r-- | drivers/media/tuners/si2157_priv.h | 2 |
2 files changed, 66 insertions, 6 deletions
diff --git a/drivers/media/tuners/si2157.c b/drivers/media/tuners/si2157.c index 57b250847cd3..b46b14997ddd 100644 --- a/drivers/media/tuners/si2157.c +++ b/drivers/media/tuners/si2157.c @@ -1,5 +1,5 @@ /* - * Silicon Labs Si2146/2147/2148/2157/2158 silicon tuner driver + * Silicon Labs Si2141/2146/2147/2148/2151/2157/2158 silicon tuner driver * * Copyright (C) 2014 Antti Palosaari <crope@iki.fi> * @@ -75,6 +75,7 @@ err_mutex_unlock: return ret; } +#define MAX_RESET_ATTEMPTS 10 static int si2157_init(struct dvb_frontend *fe) { struct i2c_client *client = fe->tuner_priv; @@ -84,7 +85,7 @@ static int si2157_init(struct dvb_frontend *fe) struct si2157_cmd cmd; const struct firmware *fw; const char *fw_name; - unsigned int uitmp, chip_id; + unsigned int uitmp, chip_id, i; dev_dbg(&client->dev, "\n"); @@ -102,14 +103,44 @@ static int si2157_init(struct dvb_frontend *fe) if (uitmp == dev->if_frequency / 1000) goto warm; + if (dev->chiptype == SI2157_CHIPTYPE_SI2141) { + for (i = 0; i < MAX_RESET_ATTEMPTS; i++) { + /* reset */ + memcpy(cmd.args, "\xc0\x05\x00\x00", 4); + cmd.wlen = 4; + cmd.rlen = 1; + ret = si2157_cmd_execute(client, &cmd); + if (ret) + goto err; + + memcpy(cmd.args, "\xc0\x00\x0d\x0e\x00\x01\x01\x01\x01\x03", 10); + cmd.wlen = 10; + cmd.rlen = 1; + ret = si2157_cmd_execute(client, &cmd); + if (ret) + goto err; + if (cmd.args[0] != 0xfe) + break; + } + if (i >= MAX_RESET_ATTEMPTS) + goto err; + } + /* power up */ - if (dev->chiptype == SI2157_CHIPTYPE_SI2146) { + switch (dev->chiptype) { + case SI2157_CHIPTYPE_SI2146: memcpy(cmd.args, "\xc0\x05\x01\x00\x00\x0b\x00\x00\x01", 9); cmd.wlen = 9; - } else { + break; + case SI2157_CHIPTYPE_SI2141: + memcpy(cmd.args, "\xc0\x08\x01\x02\x00\x08\x01", 7); + cmd.wlen = 7; + break; + default: memcpy(cmd.args, "\xc0\x00\x0c\x00\x00\x01\x01\x01\x01\x01\x01\x02\x00\x00\x01", 15); cmd.wlen = 15; } + cmd.rlen = 1; ret = si2157_cmd_execute(client, &cmd); if (ret) @@ -131,6 +162,8 @@ 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) + #define SI2151_A10 ('A' << 24 | 51 << 16 | '1' << 8 | '0' << 0) switch (chip_id) { case SI2158_A20: @@ -142,6 +175,10 @@ static int si2157_init(struct dvb_frontend *fe) case SI2146_A10: fw_name = NULL; break; + case SI2141_A10: + case SI2151_A10: + fw_name = SI2141_A10_FIRMWARE; + break; default: dev_err(&client->dev, "unknown chip version Si21%d-%c%c%c\n", cmd.args[2], cmd.args[1], @@ -214,6 +251,23 @@ skip_fw_download: dev_info(&client->dev, "firmware version: %c.%c.%d\n", cmd.args[6], cmd.args[7], cmd.args[8]); + + if (dev->chiptype == SI2157_CHIPTYPE_SI2141) { + /* set clock */ + memcpy(cmd.args, "\xc0\x00\x0d", 3); + cmd.wlen = 3; + cmd.rlen = 1; + ret = si2157_cmd_execute(client, &cmd); + if (ret) + goto err; + /* setup PIN */ + memcpy(cmd.args, "\x12\x80\x80\x85\x00\x81\x00", 7); + cmd.wlen = 7; + cmd.rlen = 7; + ret = si2157_cmd_execute(client, &cmd); + if (ret) + goto err; + } warm: /* init statistics in order signal app which are supported */ c->strength.len = 1; @@ -471,7 +525,8 @@ static int si2157_probe(struct i2c_client *client, #endif dev_info(&client->dev, "Silicon Labs %s successfully attached\n", - dev->chiptype == SI2157_CHIPTYPE_SI2146 ? + dev->chiptype == SI2157_CHIPTYPE_SI2141 ? + "Si2141/2151" : dev->chiptype == SI2157_CHIPTYPE_SI2146 ? "Si2146" : "Si2147/2148/2157/2158"); return 0; @@ -508,6 +563,8 @@ 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}, + {"si2151", SI2157_CHIPTYPE_SI2141}, {} }; MODULE_DEVICE_TABLE(i2c, si2157_id_table); @@ -524,7 +581,8 @@ 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 Si2141/2146/2147/2148/2151/2157/2158 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 |