[media] si2157: Si2141/2151 tuner support
Support for new tuner version. Signed-off-by: Evgeny Plehov <EvgenyPlehov@ukr.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Evgeny Plehov
Mauro Carvalho Chehab
parent
50d6446207
commit
690d55def8
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@ -1,5 +1,5 @@
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/*
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* Silicon Labs Si2146/2147/2148/2157/2158 silicon tuner driver
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* Silicon Labs Si2141/2146/2147/2148/2151/2157/2158 silicon tuner driver
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*
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* Copyright (C) 2014 Antti Palosaari <crope@iki.fi>
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*
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@ -75,6 +75,7 @@ static int si2157_cmd_execute(struct i2c_client *client, struct si2157_cmd *cmd)
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return ret;
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}
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#define MAX_RESET_ATTEMPTS 10
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static int si2157_init(struct dvb_frontend *fe)
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{
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struct i2c_client *client = fe->tuner_priv;
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@ -84,7 +85,7 @@ static int si2157_init(struct dvb_frontend *fe)
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struct si2157_cmd cmd;
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const struct firmware *fw;
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const char *fw_name;
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unsigned int uitmp, chip_id;
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unsigned int uitmp, chip_id, i;
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dev_dbg(&client->dev, "\n");
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@ -102,14 +103,44 @@ static int si2157_init(struct dvb_frontend *fe)
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if (uitmp == dev->if_frequency / 1000)
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goto warm;
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if (dev->chiptype == SI2157_CHIPTYPE_SI2141) {
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for (i = 0; i < MAX_RESET_ATTEMPTS; i++) {
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/* reset */
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memcpy(cmd.args, "\xc0\x05\x00\x00", 4);
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cmd.wlen = 4;
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cmd.rlen = 1;
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ret = si2157_cmd_execute(client, &cmd);
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if (ret)
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goto err;
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memcpy(cmd.args, "\xc0\x00\x0d\x0e\x00\x01\x01\x01\x01\x03", 10);
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cmd.wlen = 10;
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cmd.rlen = 1;
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ret = si2157_cmd_execute(client, &cmd);
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if (ret)
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goto err;
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if (cmd.args[0] != 0xfe)
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break;
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}
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if (i >= MAX_RESET_ATTEMPTS)
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goto err;
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}
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/* power up */
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if (dev->chiptype == SI2157_CHIPTYPE_SI2146) {
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switch (dev->chiptype) {
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case SI2157_CHIPTYPE_SI2146:
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memcpy(cmd.args, "\xc0\x05\x01\x00\x00\x0b\x00\x00\x01", 9);
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cmd.wlen = 9;
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} else {
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break;
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case SI2157_CHIPTYPE_SI2141:
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memcpy(cmd.args, "\xc0\x08\x01\x02\x00\x08\x01", 7);
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cmd.wlen = 7;
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break;
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default:
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memcpy(cmd.args, "\xc0\x00\x0c\x00\x00\x01\x01\x01\x01\x01\x01\x02\x00\x00\x01", 15);
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cmd.wlen = 15;
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}
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cmd.rlen = 1;
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ret = si2157_cmd_execute(client, &cmd);
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if (ret)
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@ -131,6 +162,8 @@ static int si2157_init(struct dvb_frontend *fe)
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#define SI2157_A30 ('A' << 24 | 57 << 16 | '3' << 8 | '0' << 0)
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#define SI2147_A30 ('A' << 24 | 47 << 16 | '3' << 8 | '0' << 0)
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#define SI2146_A10 ('A' << 24 | 46 << 16 | '1' << 8 | '0' << 0)
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#define SI2141_A10 ('A' << 24 | 41 << 16 | '1' << 8 | '0' << 0)
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#define SI2151_A10 ('A' << 24 | 51 << 16 | '1' << 8 | '0' << 0)
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switch (chip_id) {
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case SI2158_A20:
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@ -142,6 +175,10 @@ static int si2157_init(struct dvb_frontend *fe)
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case SI2146_A10:
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fw_name = NULL;
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break;
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case SI2141_A10:
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case SI2151_A10:
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fw_name = SI2141_A10_FIRMWARE;
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break;
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default:
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dev_err(&client->dev, "unknown chip version Si21%d-%c%c%c\n",
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cmd.args[2], cmd.args[1],
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@ -214,6 +251,23 @@ static int si2157_init(struct dvb_frontend *fe)
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dev_info(&client->dev, "firmware version: %c.%c.%d\n",
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cmd.args[6], cmd.args[7], cmd.args[8]);
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if (dev->chiptype == SI2157_CHIPTYPE_SI2141) {
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/* set clock */
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memcpy(cmd.args, "\xc0\x00\x0d", 3);
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cmd.wlen = 3;
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cmd.rlen = 1;
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ret = si2157_cmd_execute(client, &cmd);
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if (ret)
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goto err;
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/* setup PIN */
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memcpy(cmd.args, "\x12\x80\x80\x85\x00\x81\x00", 7);
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cmd.wlen = 7;
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cmd.rlen = 7;
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ret = si2157_cmd_execute(client, &cmd);
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if (ret)
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goto err;
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}
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warm:
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/* init statistics in order signal app which are supported */
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c->strength.len = 1;
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@ -471,7 +525,8 @@ static int si2157_probe(struct i2c_client *client,
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#endif
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dev_info(&client->dev, "Silicon Labs %s successfully attached\n",
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dev->chiptype == SI2157_CHIPTYPE_SI2146 ?
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dev->chiptype == SI2157_CHIPTYPE_SI2141 ?
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"Si2141/2151" : dev->chiptype == SI2157_CHIPTYPE_SI2146 ?
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"Si2146" : "Si2147/2148/2157/2158");
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return 0;
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@ -508,6 +563,8 @@ static int si2157_remove(struct i2c_client *client)
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static const struct i2c_device_id si2157_id_table[] = {
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{"si2157", SI2157_CHIPTYPE_SI2157},
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{"si2146", SI2157_CHIPTYPE_SI2146},
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{"si2141", SI2157_CHIPTYPE_SI2141},
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{"si2151", SI2157_CHIPTYPE_SI2141},
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{}
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};
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MODULE_DEVICE_TABLE(i2c, si2157_id_table);
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@ -524,7 +581,8 @@ static struct i2c_driver si2157_driver = {
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module_i2c_driver(si2157_driver);
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MODULE_DESCRIPTION("Silicon Labs Si2146/2147/2148/2157/2158 silicon tuner driver");
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MODULE_DESCRIPTION("Silicon Labs Si2141/2146/2147/2148/2151/2157/2158 silicon tuner driver");
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MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
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MODULE_LICENSE("GPL");
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MODULE_FIRMWARE(SI2158_A20_FIRMWARE);
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MODULE_FIRMWARE(SI2141_A10_FIRMWARE);
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@ -42,6 +42,7 @@ struct si2157_dev {
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#define SI2157_CHIPTYPE_SI2157 0
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#define SI2157_CHIPTYPE_SI2146 1
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#define SI2157_CHIPTYPE_SI2141 2
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/* firmware command struct */
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#define SI2157_ARGLEN 30
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@ -52,5 +53,6 @@ struct si2157_cmd {
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};
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#define SI2158_A20_FIRMWARE "dvb-tuner-si2158-a20-01.fw"
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#define SI2141_A10_FIRMWARE "dvb-tuner-si2141-a10-01.fw"
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#endif
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