diff options
Diffstat (limited to 'drivers/media/dvb-frontends/rtl2832.c')
-rw-r--r-- | drivers/media/dvb-frontends/rtl2832.c | 90 |
1 files changed, 82 insertions, 8 deletions
diff --git a/drivers/media/dvb-frontends/rtl2832.c b/drivers/media/dvb-frontends/rtl2832.c index 53b446afe030..8c36a8415c4c 100644 --- a/drivers/media/dvb-frontends/rtl2832.c +++ b/drivers/media/dvb-frontends/rtl2832.c @@ -1183,6 +1183,80 @@ static struct dvb_frontend_ops rtl2832_ops = { .i2c_gate_ctrl = rtl2832_i2c_gate_ctrl, }; +static struct dvb_frontend *rtl2832_get_dvb_frontend(struct i2c_client *client) +{ + struct rtl2832_priv *dev = i2c_get_clientdata(client); + + dev_dbg(&client->dev, "\n"); + return &dev->fe; +} + +static struct i2c_adapter *rtl2832_get_i2c_adapter_(struct i2c_client *client) +{ + struct rtl2832_priv *dev = i2c_get_clientdata(client); + + dev_dbg(&client->dev, "\n"); + return dev->i2c_adapter_tuner; +} + +static struct i2c_adapter *rtl2832_get_private_i2c_adapter_(struct i2c_client *client) +{ + struct rtl2832_priv *dev = i2c_get_clientdata(client); + + dev_dbg(&client->dev, "\n"); + return dev->i2c_adapter; +} + +static int rtl2832_enable_slave_ts(struct i2c_client *client) +{ + struct rtl2832_priv *dev = i2c_get_clientdata(client); + int ret; + + dev_dbg(&client->dev, "setting PIP mode\n"); + + ret = rtl2832_wr_regs(dev, 0x0c, 1, "\x5f\xff", 2); + if (ret) + goto err; + + ret = rtl2832_wr_demod_reg(dev, DVBT_PIP_ON, 0x1); + if (ret) + goto err; + + ret = rtl2832_wr_reg(dev, 0xbc, 0, 0x18); + if (ret) + goto err; + + ret = rtl2832_wr_reg(dev, 0x22, 0, 0x01); + if (ret) + goto err; + + ret = rtl2832_wr_reg(dev, 0x26, 0, 0x1f); + if (ret) + goto err; + + ret = rtl2832_wr_reg(dev, 0x27, 0, 0xff); + if (ret) + goto err; + + ret = rtl2832_wr_regs(dev, 0x92, 1, "\x7f\xf7\xff", 3); + if (ret) + goto err; + + /* soft reset */ + ret = rtl2832_wr_demod_reg(dev, DVBT_SOFT_RST, 0x1); + if (ret) + goto err; + + ret = rtl2832_wr_demod_reg(dev, DVBT_SOFT_RST, 0x0); + if (ret) + goto err; + + return 0; +err: + dev_dbg(&client->dev, "failed=%d\n", ret); + return ret; +} + static int rtl2832_probe(struct i2c_client *client, const struct i2c_device_id *id) { @@ -1195,13 +1269,6 @@ static int rtl2832_probe(struct i2c_client *client, dev_dbg(&client->dev, "\n"); - /* Caller really need to provide pointer for frontend we create. */ - if (pdata->dvb_frontend == NULL) { - dev_err(&client->dev, "frontend pointer not defined\n"); - ret = -EINVAL; - goto err; - } - /* allocate memory for the internal state */ priv = kzalloc(sizeof(struct rtl2832_priv), GFP_KERNEL); if (priv == NULL) { @@ -1243,7 +1310,14 @@ static int rtl2832_probe(struct i2c_client *client, priv->fe.ops.release = NULL; priv->fe.demodulator_priv = priv; i2c_set_clientdata(client, priv); - *pdata->dvb_frontend = &priv->fe; + if (pdata->dvb_frontend) + *pdata->dvb_frontend = &priv->fe; + + /* setup callbacks */ + pdata->get_dvb_frontend = rtl2832_get_dvb_frontend; + pdata->get_i2c_adapter = rtl2832_get_i2c_adapter_; + pdata->get_private_i2c_adapter = rtl2832_get_private_i2c_adapter_; + pdata->enable_slave_ts = rtl2832_enable_slave_ts; dev_info(&client->dev, "Realtek RTL2832 successfully attached\n"); return 0; |