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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.c23
1 files changed, 21 insertions, 2 deletions
diff --git a/drivers/media/tuners/si2157.c b/drivers/media/tuners/si2157.c
index 57b250847cd3..e35b1faf0ddc 100644
--- a/drivers/media/tuners/si2157.c
+++ b/drivers/media/tuners/si2157.c
@@ -106,6 +106,9 @@ static int si2157_init(struct dvb_frontend *fe)
if (dev->chiptype == SI2157_CHIPTYPE_SI2146) {
memcpy(cmd.args, "\xc0\x05\x01\x00\x00\x0b\x00\x00\x01", 9);
cmd.wlen = 9;
+ } else if (dev->chiptype == SI2157_CHIPTYPE_SI2141) {
+ memcpy(cmd.args, "\xc0\x00\x0d\x0e\x00\x01\x01\x01\x01\x03", 10);
+ cmd.wlen = 10;
} else {
memcpy(cmd.args, "\xc0\x00\x0c\x00\x00\x01\x01\x01\x01\x01\x01\x02\x00\x00\x01", 15);
cmd.wlen = 15;
@@ -115,6 +118,15 @@ static int si2157_init(struct dvb_frontend *fe)
if (ret)
goto err;
+ /* Si2141 needs a second command before it answers the revision query */
+ if (dev->chiptype == SI2157_CHIPTYPE_SI2141) {
+ memcpy(cmd.args, "\xc0\x08\x01\x02\x00\x00\x01", 7);
+ cmd.wlen = 7;
+ ret = si2157_cmd_execute(client, &cmd);
+ if (ret)
+ goto err;
+ }
+
/* query chip revision */
memcpy(cmd.args, "\x02", 1);
cmd.wlen = 1;
@@ -131,12 +143,16 @@ 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)
switch (chip_id) {
case SI2158_A20:
case SI2148_A20:
fw_name = SI2158_A20_FIRMWARE;
break;
+ case SI2141_A10:
+ fw_name = SI2141_A10_FIRMWARE;
+ break;
case SI2157_A30:
case SI2147_A30:
case SI2146_A10:
@@ -371,7 +387,7 @@ static int si2157_get_if_frequency(struct dvb_frontend *fe, u32 *frequency)
static const struct dvb_tuner_ops si2157_ops = {
.info = {
- .name = "Silicon Labs Si2146/2147/2148/2157/2158",
+ .name = "Silicon Labs Si2141/Si2146/2147/2148/2157/2158",
.frequency_min = 42000000,
.frequency_max = 870000000,
},
@@ -471,6 +487,7 @@ 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" :
dev->chiptype == SI2157_CHIPTYPE_SI2146 ?
"Si2146" : "Si2147/2148/2157/2158");
@@ -508,6 +525,7 @@ 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},
{}
};
MODULE_DEVICE_TABLE(i2c, si2157_id_table);
@@ -524,7 +542,8 @@ 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/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);