diff options
Diffstat (limited to 'drivers/media/tuners/si2157.c')
| -rw-r--r-- | drivers/media/tuners/si2157.c | 44 |
1 files changed, 31 insertions, 13 deletions
diff --git a/drivers/media/tuners/si2157.c b/drivers/media/tuners/si2157.c index cf97142e01e6..2180de9d654a 100644 --- a/drivers/media/tuners/si2157.c +++ b/drivers/media/tuners/si2157.c @@ -1,5 +1,5 @@ /* - * Silicon Labs Si2147/2157/2158 silicon tuner driver + * Silicon Labs Si2146/2147/2148/2157/2158 silicon tuner driver * * Copyright (C) 2014 Antti Palosaari <crope@iki.fi> * @@ -93,8 +93,13 @@ static int si2157_init(struct dvb_frontend *fe) goto warm; /* power up */ - memcpy(cmd.args, "\xc0\x00\x0c\x00\x00\x01\x01\x01\x01\x01\x01\x02\x00\x00\x01", 15); - cmd.wlen = 15; + if (s->chiptype == SI2157_CHIPTYPE_SI2146) { + memcpy(cmd.args, "\xc0\x05\x01\x00\x00\x0b\x00\x00\x01", 9); + cmd.wlen = 9; + } else { + 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(s, &cmd); if (ret) @@ -112,17 +117,20 @@ static int si2157_init(struct dvb_frontend *fe) cmd.args[4] << 0; #define SI2158_A20 ('A' << 24 | 58 << 16 | '2' << 8 | '0' << 0) + #define SI2148_A20 ('A' << 24 | 48 << 16 | '2' << 8 | '0' << 0) #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) switch (chip_id) { case SI2158_A20: + case SI2148_A20: fw_file = SI2158_A20_FIRMWARE; break; case SI2157_A30: case SI2147_A30: + case SI2146_A10: goto skip_fw_download; - break; default: dev_err(&s->client->dev, "unknown chip version Si21%d-%c%c%c\n", @@ -149,7 +157,7 @@ static int si2157_init(struct dvb_frontend *fe) dev_err(&s->client->dev, "firmware file '%s' is invalid\n", fw_file); ret = -EINVAL; - goto err; + goto fw_release_exit; } dev_info(&s->client->dev, "downloading firmware from file '%s'\n", @@ -165,7 +173,7 @@ static int si2157_init(struct dvb_frontend *fe) dev_err(&s->client->dev, "firmware download failed=%d\n", ret); - goto err; + goto fw_release_exit; } } @@ -187,10 +195,9 @@ warm: s->active = true; return 0; +fw_release_exit: + release_firmware(fw); err: - if (fw) - release_firmware(fw); - dev_dbg(&s->client->dev, "failed=%d\n", ret); return ret; } @@ -250,6 +257,9 @@ static int si2157_set_params(struct dvb_frontend *fe) case SYS_ATSC: delivery_system = 0x00; break; + case SYS_DVBC_ANNEX_B: + delivery_system = 0x10; + break; case SYS_DVBT: case SYS_DVBT2: /* it seems DVB-T and DVB-T2 both are 0x20 here */ delivery_system = 0x20; @@ -272,7 +282,10 @@ static int si2157_set_params(struct dvb_frontend *fe) if (ret) goto err; - memcpy(cmd.args, "\x14\x00\x02\x07\x01\x00", 6); + if (s->chiptype == SI2157_CHIPTYPE_SI2146) + memcpy(cmd.args, "\x14\x00\x02\x07\x00\x01", 6); + else + memcpy(cmd.args, "\x14\x00\x02\x07\x01\x00", 6); cmd.wlen = 6; cmd.rlen = 4; ret = si2157_cmd_execute(s, &cmd); @@ -305,7 +318,7 @@ static int si2157_get_if_frequency(struct dvb_frontend *fe, u32 *frequency) static const struct dvb_tuner_ops si2157_ops = { .info = { - .name = "Silicon Labs Si2157/Si2158", + .name = "Silicon Labs Si2146/2147/2148/2157/2158", .frequency_min = 110000000, .frequency_max = 862000000, }, @@ -336,6 +349,7 @@ static int si2157_probe(struct i2c_client *client, s->fe = cfg->fe; s->inversion = cfg->inversion; s->fw_loaded = false; + s->chiptype = (u8)id->driver_data; mutex_init(&s->i2c_mutex); /* check if the tuner is there */ @@ -352,7 +366,10 @@ static int si2157_probe(struct i2c_client *client, i2c_set_clientdata(client, s); dev_info(&s->client->dev, - "Silicon Labs Si2157/Si2158 successfully attached\n"); + "Silicon Labs %s successfully attached\n", + s->chiptype == SI2157_CHIPTYPE_SI2146 ? + "Si2146" : "Si2147/2148/2157/2158"); + return 0; err: dev_dbg(&client->dev, "failed=%d\n", ret); @@ -377,6 +394,7 @@ static int si2157_remove(struct i2c_client *client) static const struct i2c_device_id si2157_id[] = { {"si2157", 0}, + {"si2146", 1}, {} }; MODULE_DEVICE_TABLE(i2c, si2157_id); @@ -393,7 +411,7 @@ static struct i2c_driver si2157_driver = { module_i2c_driver(si2157_driver); -MODULE_DESCRIPTION("Silicon Labs Si2157/Si2158 silicon tuner driver"); +MODULE_DESCRIPTION("Silicon Labs Si2146/2147/2148/2157/2158 silicon tuner driver"); MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>"); MODULE_LICENSE("GPL"); MODULE_FIRMWARE(SI2158_A20_FIRMWARE); |