diff options
author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2015-02-10 11:35:36 -0800 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2015-02-10 11:35:36 -0800 |
commit | 4ba24fef3eb3b142197135223b90ced2f319cd53 (patch) | |
tree | a20c125b27740ec7b4c761b11d801108e1b316b2 /drivers/media/tuners/si2157.c | |
parent | 47c1ffb2b6b630894e9a16442611c056ab21c057 (diff) | |
parent | 98a4a59ee31a12105a2b84f5b8b515ac2cb208ef (diff) |
Merge branch 'next' into for-linus
Prepare first round of input updates for 3.20.
Diffstat (limited to 'drivers/media/tuners/si2157.c')
-rw-r--r-- | drivers/media/tuners/si2157.c | 124 |
1 files changed, 80 insertions, 44 deletions
diff --git a/drivers/media/tuners/si2157.c b/drivers/media/tuners/si2157.c index 6c53edb73a63..2180de9d654a 100644 --- a/drivers/media/tuners/si2157.c +++ b/drivers/media/tuners/si2157.c @@ -1,5 +1,5 @@ /* - * Silicon Labs Si2157/2158 silicon tuner driver + * Silicon Labs Si2146/2147/2148/2157/2158 silicon tuner driver * * Copyright (C) 2014 Antti Palosaari <crope@iki.fi> * @@ -55,8 +55,7 @@ static int si2157_cmd_execute(struct si2157 *s, struct si2157_cmd *cmd) break; } - dev_dbg(&s->client->dev, "%s: cmd execution took %d ms\n", - __func__, + dev_dbg(&s->client->dev, "cmd execution took %d ms\n", jiffies_to_msecs(jiffies) - (jiffies_to_msecs(timeout) - TIMEOUT)); @@ -75,7 +74,7 @@ err_mutex_unlock: return 0; err: - dev_dbg(&s->client->dev, "%s: failed=%d\n", __func__, ret); + dev_dbg(&s->client->dev, "failed=%d\n", ret); return ret; } @@ -88,11 +87,19 @@ static int si2157_init(struct dvb_frontend *fe) u8 *fw_file; unsigned int chip_id; - dev_dbg(&s->client->dev, "%s:\n", __func__); + dev_dbg(&s->client->dev, "\n"); - /* configure? */ - memcpy(cmd.args, "\xc0\x00\x0c\x00\x00\x01\x01\x01\x01\x01\x01\x02\x00\x00\x01", 15); - cmd.wlen = 15; + if (s->fw_loaded) + goto warm; + + /* power up */ + 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) @@ -110,46 +117,51 @@ 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, - "%s: unkown chip version Si21%d-%c%c%c\n", - KBUILD_MODNAME, cmd.args[2], cmd.args[1], + "unknown chip version Si21%d-%c%c%c\n", + cmd.args[2], cmd.args[1], cmd.args[3], cmd.args[4]); ret = -EINVAL; goto err; } /* cold state - try to download firmware */ - dev_info(&s->client->dev, "%s: found a '%s' in cold state\n", - KBUILD_MODNAME, si2157_ops.info.name); + dev_info(&s->client->dev, "found a '%s' in cold state\n", + si2157_ops.info.name); /* request the firmware, this will block and timeout */ ret = request_firmware(&fw, fw_file, &s->client->dev); if (ret) { - dev_err(&s->client->dev, "%s: firmware file '%s' not found\n", - KBUILD_MODNAME, fw_file); + dev_err(&s->client->dev, "firmware file '%s' not found\n", + fw_file); goto err; } /* firmware should be n chunks of 17 bytes */ if (fw->size % 17 != 0) { - dev_err(&s->client->dev, "%s: firmware file '%s' is invalid\n", - KBUILD_MODNAME, fw_file); + 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, "%s: downloading firmware from file '%s'\n", - KBUILD_MODNAME, fw_file); + dev_info(&s->client->dev, "downloading firmware from file '%s'\n", + fw_file); for (remaining = fw->size; remaining > 0; remaining -= 17) { len = fw->data[fw->size - remaining]; @@ -159,9 +171,9 @@ static int si2157_init(struct dvb_frontend *fe) ret = si2157_cmd_execute(s, &cmd); if (ret) { dev_err(&s->client->dev, - "%s: firmware download failed=%d\n", - KBUILD_MODNAME, ret); - goto err; + "firmware download failed=%d\n", + ret); + goto fw_release_exit; } } @@ -177,14 +189,16 @@ skip_fw_download: if (ret) goto err; - s->active = true; + s->fw_loaded = true; +warm: + s->active = true; return 0; -err: - if (fw) - release_firmware(fw); - dev_dbg(&s->client->dev, "%s: failed=%d\n", __func__, ret); +fw_release_exit: + release_firmware(fw); +err: + dev_dbg(&s->client->dev, "failed=%d\n", ret); return ret; } @@ -194,20 +208,21 @@ static int si2157_sleep(struct dvb_frontend *fe) int ret; struct si2157_cmd cmd; - dev_dbg(&s->client->dev, "%s:\n", __func__); + dev_dbg(&s->client->dev, "\n"); s->active = false; - memcpy(cmd.args, "\x13", 1); - cmd.wlen = 1; - cmd.rlen = 0; + /* standby */ + memcpy(cmd.args, "\x16\x00", 2); + cmd.wlen = 2; + cmd.rlen = 1; ret = si2157_cmd_execute(s, &cmd); if (ret) goto err; return 0; err: - dev_dbg(&s->client->dev, "%s: failed=%d\n", __func__, ret); + dev_dbg(&s->client->dev, "failed=%d\n", ret); return ret; } @@ -220,8 +235,8 @@ static int si2157_set_params(struct dvb_frontend *fe) u8 bandwidth, delivery_system; dev_dbg(&s->client->dev, - "%s: delivery_system=%d frequency=%u bandwidth_hz=%u\n", - __func__, c->delivery_system, c->frequency, + "delivery_system=%d frequency=%u bandwidth_hz=%u\n", + c->delivery_system, c->frequency, c->bandwidth_hz); if (!s->active) { @@ -239,6 +254,12 @@ static int si2157_set_params(struct dvb_frontend *fe) bandwidth = 0x0f; switch (c->delivery_system) { + 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; @@ -256,7 +277,17 @@ static int si2157_set_params(struct dvb_frontend *fe) if (s->inversion) cmd.args[5] = 0x01; cmd.wlen = 6; - cmd.rlen = 1; + cmd.rlen = 4; + ret = si2157_cmd_execute(s, &cmd); + if (ret) + goto err; + + 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); if (ret) goto err; @@ -275,7 +306,7 @@ static int si2157_set_params(struct dvb_frontend *fe) return 0; err: - dev_dbg(&s->client->dev, "%s: failed=%d\n", __func__, ret); + dev_dbg(&s->client->dev, "failed=%d\n", ret); return ret; } @@ -287,7 +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, }, @@ -310,13 +341,15 @@ static int si2157_probe(struct i2c_client *client, s = kzalloc(sizeof(struct si2157), GFP_KERNEL); if (!s) { ret = -ENOMEM; - dev_err(&client->dev, "%s: kzalloc() failed\n", KBUILD_MODNAME); + dev_err(&client->dev, "kzalloc() failed\n"); goto err; } s->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 */ @@ -333,11 +366,13 @@ static int si2157_probe(struct i2c_client *client, i2c_set_clientdata(client, s); dev_info(&s->client->dev, - "%s: Silicon Labs Si2157/Si2158 successfully attached\n", - KBUILD_MODNAME); + "Silicon Labs %s successfully attached\n", + s->chiptype == SI2157_CHIPTYPE_SI2146 ? + "Si2146" : "Si2147/2148/2157/2158"); + return 0; err: - dev_dbg(&client->dev, "%s: failed=%d\n", __func__, ret); + dev_dbg(&client->dev, "failed=%d\n", ret); kfree(s); return ret; @@ -348,7 +383,7 @@ static int si2157_remove(struct i2c_client *client) struct si2157 *s = i2c_get_clientdata(client); struct dvb_frontend *fe = s->fe; - dev_dbg(&client->dev, "%s:\n", __func__); + dev_dbg(&client->dev, "\n"); memset(&fe->ops.tuner_ops, 0, sizeof(struct dvb_tuner_ops)); fe->tuner_priv = NULL; @@ -359,6 +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); @@ -375,7 +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); |