diff options
| -rw-r--r-- | drivers/media/dvb-frontends/rtl2830.c | 67 | ||||
| -rw-r--r-- | drivers/media/dvb-frontends/rtl2830.h | 2 | ||||
| -rw-r--r-- | drivers/media/dvb-frontends/rtl2830_priv.h | 1 |
3 files changed, 70 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/rtl2830.c b/drivers/media/dvb-frontends/rtl2830.c index f1f1cfb6cb16..8abaca66e132 100644 --- a/drivers/media/dvb-frontends/rtl2830.c +++ b/drivers/media/dvb-frontends/rtl2830.c @@ -723,6 +723,71 @@ err: dev_dbg(&client->dev, "failed=%d\n", ret); } +static int rtl2830_pid_filter_ctrl(struct dvb_frontend *fe, int onoff) +{ + struct i2c_client *client = fe->demodulator_priv; + int ret; + u8 u8tmp; + + dev_dbg(&client->dev, "onoff=%d\n", onoff); + + /* enable / disable PID filter */ + if (onoff) + u8tmp = 0x80; + else + u8tmp = 0x00; + + ret = rtl2830_wr_reg_mask(client, 0x061, u8tmp, 0x80); + if (ret) + goto err; + + return 0; +err: + dev_dbg(&client->dev, "failed=%d\n", ret); + return ret; +} + +static int rtl2830_pid_filter(struct dvb_frontend *fe, u8 index, u16 pid, int onoff) +{ + struct i2c_client *client = fe->demodulator_priv; + struct rtl2830_dev *dev = i2c_get_clientdata(client); + int ret; + u8 buf[4]; + + dev_dbg(&client->dev, "index=%d pid=%04x onoff=%d\n", + index, pid, onoff); + + /* skip invalid PIDs (0x2000) */ + if (pid > 0x1fff || index > 32) + return 0; + + if (onoff) + set_bit(index, &dev->filters); + else + clear_bit(index, &dev->filters); + + /* enable / disable PIDs */ + buf[0] = (dev->filters >> 0) & 0xff; + buf[1] = (dev->filters >> 8) & 0xff; + buf[2] = (dev->filters >> 16) & 0xff; + buf[3] = (dev->filters >> 24) & 0xff; + ret = rtl2830_wr_regs(client, 0x062, buf, 4); + if (ret) + goto err; + + /* add PID */ + buf[0] = (pid >> 8) & 0xff; + buf[1] = (pid >> 0) & 0xff; + ret = rtl2830_wr_regs(client, 0x066 + 2 * index, buf, 2); + if (ret) + goto err; + + return 0; +err: + dev_dbg(&client->dev, "failed=%d\n", ret); + return ret; +} + /* * I2C gate/repeater logic * We must use unlocked i2c_transfer() here because I2C lock is already taken @@ -843,6 +908,8 @@ static int rtl2830_probe(struct i2c_client *client, /* setup callbacks */ pdata->get_dvb_frontend = rtl2830_get_dvb_frontend; pdata->get_i2c_adapter = rtl2830_get_i2c_adapter; + pdata->pid_filter = rtl2830_pid_filter; + pdata->pid_filter_ctrl = rtl2830_pid_filter_ctrl; dev_info(&client->dev, "Realtek RTL2830 successfully attached\n"); diff --git a/drivers/media/dvb-frontends/rtl2830.h b/drivers/media/dvb-frontends/rtl2830.h index 61f784c935be..156edf714f9f 100644 --- a/drivers/media/dvb-frontends/rtl2830.h +++ b/drivers/media/dvb-frontends/rtl2830.h @@ -49,6 +49,8 @@ struct rtl2830_platform_data { */ struct dvb_frontend* (*get_dvb_frontend)(struct i2c_client *); struct i2c_adapter* (*get_i2c_adapter)(struct i2c_client *); + int (*pid_filter)(struct dvb_frontend *, u8, u16, int); + int (*pid_filter_ctrl)(struct dvb_frontend *, int); }; #endif /* RTL2830_H */ diff --git a/drivers/media/dvb-frontends/rtl2830_priv.h b/drivers/media/dvb-frontends/rtl2830_priv.h index 6a0e982584f3..293188924f51 100644 --- a/drivers/media/dvb-frontends/rtl2830_priv.h +++ b/drivers/media/dvb-frontends/rtl2830_priv.h @@ -31,6 +31,7 @@ struct rtl2830_dev { struct dvb_frontend fe; bool sleeping; u8 page; /* active register page */ + unsigned long filters; struct delayed_work stat_work; fe_status_t fe_status; u64 post_bit_error_prev; /* for old DVBv3 read_ber() calculation */ |