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path: root/drivers/media/tuners/si2157.c
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Diffstat (limited to 'drivers/media/tuners/si2157.c')
-rw-r--r--drivers/media/tuners/si2157.c70
1 files changed, 6 insertions, 64 deletions
diff --git a/drivers/media/tuners/si2157.c b/drivers/media/tuners/si2157.c
index b46b14997ddd..57b250847cd3 100644
--- a/drivers/media/tuners/si2157.c
+++ b/drivers/media/tuners/si2157.c
@@ -1,5 +1,5 @@
/*
- * Silicon Labs Si2141/2146/2147/2148/2151/2157/2158 silicon tuner driver
+ * Silicon Labs Si2146/2147/2148/2157/2158 silicon tuner driver
*
* Copyright (C) 2014 Antti Palosaari <crope@iki.fi>
*
@@ -75,7 +75,6 @@ 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;
@@ -85,7 +84,7 @@ 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, i;
+ unsigned int uitmp, chip_id;
dev_dbg(&client->dev, "\n");
@@ -103,44 +102,14 @@ 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 */
- switch (dev->chiptype) {
- case SI2157_CHIPTYPE_SI2146:
+ if (dev->chiptype == SI2157_CHIPTYPE_SI2146) {
memcpy(cmd.args, "\xc0\x05\x01\x00\x00\x0b\x00\x00\x01", 9);
cmd.wlen = 9;
- break;
- case SI2157_CHIPTYPE_SI2141:
- memcpy(cmd.args, "\xc0\x08\x01\x02\x00\x08\x01", 7);
- cmd.wlen = 7;
- break;
- default:
+ } 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(client, &cmd);
if (ret)
@@ -162,8 +131,6 @@ 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:
@@ -175,10 +142,6 @@ 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],
@@ -251,23 +214,6 @@ 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;
@@ -525,8 +471,7 @@ static int si2157_probe(struct i2c_client *client,
#endif
dev_info(&client->dev, "Silicon Labs %s successfully attached\n",
- dev->chiptype == SI2157_CHIPTYPE_SI2141 ?
- "Si2141/2151" : dev->chiptype == SI2157_CHIPTYPE_SI2146 ?
+ dev->chiptype == SI2157_CHIPTYPE_SI2146 ?
"Si2146" : "Si2147/2148/2157/2158");
return 0;
@@ -563,8 +508,6 @@ 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);
@@ -581,8 +524,7 @@ static struct i2c_driver si2157_driver = {
module_i2c_driver(si2157_driver);
-MODULE_DESCRIPTION("Silicon Labs Si2141/2146/2147/2148/2151/2157/2158 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);
-MODULE_FIRMWARE(SI2141_A10_FIRMWARE);