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path: root/drivers/media/dvb-frontends/si2168.c
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Diffstat (limited to 'drivers/media/dvb-frontends/si2168.c')
-rw-r--r--drivers/media/dvb-frontends/si2168.c129
1 files changed, 83 insertions, 46 deletions
diff --git a/drivers/media/dvb-frontends/si2168.c b/drivers/media/dvb-frontends/si2168.c
index 8f81d97..1cd93be 100644
--- a/drivers/media/dvb-frontends/si2168.c
+++ b/drivers/media/dvb-frontends/si2168.c
@@ -55,8 +55,7 @@ static int si2168_cmd_execute(struct si2168 *s, struct si2168_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;
}
@@ -150,12 +149,12 @@ static int si2168_read_status(struct dvb_frontend *fe, fe_status_t *status)
c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
}
- dev_dbg(&s->client->dev, "%s: status=%02x args=%*ph\n",
- __func__, *status, cmd.rlen, cmd.args);
+ dev_dbg(&s->client->dev, "status=%02x args=%*ph\n",
+ *status, cmd.rlen, cmd.args);
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;
}
@@ -168,10 +167,10 @@ static int si2168_set_frontend(struct dvb_frontend *fe)
u8 bandwidth, delivery_system;
dev_dbg(&s->client->dev,
- "%s: delivery_system=%u modulation=%u frequency=%u bandwidth_hz=%u symbol_rate=%u inversion=%u\n",
- __func__, c->delivery_system, c->modulation,
+ "delivery_system=%u modulation=%u frequency=%u bandwidth_hz=%u symbol_rate=%u inversion=%u, stream_id=%d\n",
+ c->delivery_system, c->modulation,
c->frequency, c->bandwidth_hz, c->symbol_rate,
- c->inversion);
+ c->inversion, c->stream_id);
if (!s->active) {
ret = -EAGAIN;
@@ -235,6 +234,18 @@ static int si2168_set_frontend(struct dvb_frontend *fe)
if (ret)
goto err;
+ if (c->delivery_system == SYS_DVBT2) {
+ /* select PLP */
+ cmd.args[0] = 0x52;
+ cmd.args[1] = c->stream_id & 0xff;
+ cmd.args[2] = c->stream_id == NO_STREAM_ID_FILTER ? 0 : 1;
+ cmd.wlen = 3;
+ cmd.rlen = 1;
+ ret = si2168_cmd_execute(s, &cmd);
+ if (ret)
+ goto err;
+ }
+
memcpy(cmd.args, "\x51\x03", 2);
cmd.wlen = 2;
cmd.rlen = 12;
@@ -297,13 +308,6 @@ static int si2168_set_frontend(struct dvb_frontend *fe)
if (ret)
goto err;
- memcpy(cmd.args, "\x14\x00\x01\x10\x16\x00", 6);
- cmd.wlen = 6;
- cmd.rlen = 4;
- ret = si2168_cmd_execute(s, &cmd);
- if (ret)
- goto err;
-
memcpy(cmd.args, "\x14\x00\x09\x10\xe3\x18", 6);
cmd.wlen = 6;
cmd.rlen = 4;
@@ -343,7 +347,7 @@ static int si2168_set_frontend(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;
}
@@ -357,8 +361,9 @@ static int si2168_init(struct dvb_frontend *fe)
struct si2168_cmd cmd;
unsigned int chip_id;
- dev_dbg(&s->client->dev, "%s:\n", __func__);
+ dev_dbg(&s->client->dev, "\n");
+ /* initialize */
memcpy(cmd.args, "\xc0\x12\x00\x0c\x00\x0d\x16\x00\x00\x00\x00\x00\x00", 13);
cmd.wlen = 13;
cmd.rlen = 0;
@@ -366,6 +371,26 @@ static int si2168_init(struct dvb_frontend *fe)
if (ret)
goto err;
+ if (s->fw_loaded) {
+ /* resume */
+ memcpy(cmd.args, "\xc0\x06\x08\x0f\x00\x20\x21\x01", 8);
+ cmd.wlen = 8;
+ cmd.rlen = 1;
+ ret = si2168_cmd_execute(s, &cmd);
+ if (ret)
+ goto err;
+
+ memcpy(cmd.args, "\x85", 1);
+ cmd.wlen = 1;
+ cmd.rlen = 1;
+ ret = si2168_cmd_execute(s, &cmd);
+ if (ret)
+ goto err;
+
+ goto warm;
+ }
+
+ /* power up */
memcpy(cmd.args, "\xc0\x06\x01\x0f\x00\x20\x20\x01", 8);
cmd.wlen = 8;
cmd.rlen = 1;
@@ -400,16 +425,16 @@ static int si2168_init(struct dvb_frontend *fe)
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, si2168_ops.info.name);
+ dev_info(&s->client->dev, "found a '%s' in cold state\n",
+ si2168_ops.info.name);
/* request the firmware, this will block and timeout */
ret = request_firmware(&fw, fw_file, &s->client->dev);
@@ -422,18 +447,18 @@ static int si2168_init(struct dvb_frontend *fe)
if (ret == 0) {
dev_notice(&s->client->dev,
- "%s: please install firmware file '%s'\n",
- KBUILD_MODNAME, SI2168_B40_FIRMWARE);
+ "please install firmware file '%s'\n",
+ SI2168_B40_FIRMWARE);
} else {
dev_err(&s->client->dev,
- "%s: firmware file '%s' not found\n",
- KBUILD_MODNAME, fw_file);
+ "firmware file '%s' not found\n",
+ fw_file);
goto err;
}
}
- 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 -= i2c_wr_max) {
len = remaining;
@@ -446,8 +471,8 @@ static int si2168_init(struct dvb_frontend *fe)
ret = si2168_cmd_execute(s, &cmd);
if (ret) {
dev_err(&s->client->dev,
- "%s: firmware download failed=%d\n",
- KBUILD_MODNAME, ret);
+ "firmware download failed=%d\n",
+ ret);
goto err;
}
}
@@ -462,8 +487,20 @@ static int si2168_init(struct dvb_frontend *fe)
if (ret)
goto err;
- dev_info(&s->client->dev, "%s: found a '%s' in warm state\n",
- KBUILD_MODNAME, si2168_ops.info.name);
+ /* set ts mode */
+ memcpy(cmd.args, "\x14\x00\x01\x10\x10\x00", 6);
+ cmd.args[4] |= s->ts_mode;
+ cmd.wlen = 6;
+ cmd.rlen = 4;
+ ret = si2168_cmd_execute(s, &cmd);
+ if (ret)
+ goto err;
+
+ s->fw_loaded = true;
+
+warm:
+ dev_info(&s->client->dev, "found a '%s' in warm state\n",
+ si2168_ops.info.name);
s->active = true;
@@ -472,7 +509,7 @@ err:
if (fw)
release_firmware(fw);
- dev_dbg(&s->client->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&s->client->dev, "failed=%d\n", ret);
return ret;
}
@@ -482,7 +519,7 @@ static int si2168_sleep(struct dvb_frontend *fe)
int ret;
struct si2168_cmd cmd;
- dev_dbg(&s->client->dev, "%s:\n", __func__);
+ dev_dbg(&s->client->dev, "\n");
s->active = false;
@@ -495,7 +532,7 @@ static int si2168_sleep(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;
}
@@ -528,8 +565,7 @@ static int si2168_select(struct i2c_adapter *adap, void *mux_priv, u32 chan)
/* open tuner I2C gate */
ret = __i2c_transfer(s->client->adapter, &gate_open_msg, 1);
if (ret != 1) {
- dev_warn(&s->client->dev, "%s: i2c write failed=%d\n",
- KBUILD_MODNAME, ret);
+ dev_warn(&s->client->dev, "i2c write failed=%d\n", ret);
if (ret >= 0)
ret = -EREMOTEIO;
} else {
@@ -553,8 +589,7 @@ static int si2168_deselect(struct i2c_adapter *adap, void *mux_priv, u32 chan)
/* close tuner I2C gate */
ret = __i2c_transfer(s->client->adapter, &gate_close_msg, 1);
if (ret != 1) {
- dev_warn(&s->client->dev, "%s: i2c write failed=%d\n",
- KBUILD_MODNAME, ret);
+ dev_warn(&s->client->dev, "i2c write failed=%d\n", ret);
if (ret >= 0)
ret = -EREMOTEIO;
} else {
@@ -587,7 +622,8 @@ static const struct dvb_frontend_ops si2168_ops = {
FE_CAN_GUARD_INTERVAL_AUTO |
FE_CAN_HIERARCHY_AUTO |
FE_CAN_MUTE_TS |
- FE_CAN_2G_MODULATION
+ FE_CAN_2G_MODULATION |
+ FE_CAN_MULTISTREAM
},
.get_tune_settings = si2168_get_tune_settings,
@@ -607,12 +643,12 @@ static int si2168_probe(struct i2c_client *client,
struct si2168 *s;
int ret;
- dev_dbg(&client->dev, "%s:\n", __func__);
+ dev_dbg(&client->dev, "\n");
s = kzalloc(sizeof(struct si2168), 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;
}
@@ -633,16 +669,17 @@ static int si2168_probe(struct i2c_client *client,
*config->i2c_adapter = s->adapter;
*config->fe = &s->fe;
+ s->ts_mode = config->ts_mode;
+ s->fw_loaded = false;
i2c_set_clientdata(client, s);
dev_info(&s->client->dev,
- "%s: Silicon Labs Si2168 successfully attached\n",
- KBUILD_MODNAME);
+ "Silicon Labs Si2168 successfully attached\n");
return 0;
err:
kfree(s);
- dev_dbg(&client->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&client->dev, "failed=%d\n", ret);
return ret;
}
@@ -650,7 +687,7 @@ static int si2168_remove(struct i2c_client *client)
{
struct si2168 *s = i2c_get_clientdata(client);
- dev_dbg(&client->dev, "%s:\n", __func__);
+ dev_dbg(&client->dev, "\n");
i2c_del_mux_adapter(s->adapter);

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