diff options
| author | Antti Palosaari <crope@iki.fi> | 2017-06-26 11:57:09 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2018-03-21 21:11:54 +0300 |
| commit | 83d6b7c3276fc056e65957b23c0ef7a3e9a50c18 (patch) | |
| tree | 6cfa6866d9b6cd5d62a38e6c59a2904c0e14e271 /drivers | |
| parent | 12c6b22fbf2379e0b194289227848f4f0439e5c3 (diff) | |
| download | linux-83d6b7c3276fc056e65957b23c0ef7a3e9a50c18.tar.xz | |
media: af9013: add pid filter support
af9013 demod has pid filter. Add support for it.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/dvb-frontends/af9013.c | 52 | ||||
| -rw-r--r-- | drivers/media/dvb-frontends/af9013.h | 5 |
2 files changed, 57 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/af9013.c b/drivers/media/dvb-frontends/af9013.c index 15af3e9482df..482bce49819a 100644 --- a/drivers/media/dvb-frontends/af9013.c +++ b/drivers/media/dvb-frontends/af9013.c @@ -1171,6 +1171,56 @@ static const struct dvb_frontend_ops af9013_ops = { .read_ucblocks = af9013_read_ucblocks, }; +static int af9013_pid_filter_ctrl(struct dvb_frontend *fe, int onoff) +{ + struct af9013_state *state = fe->demodulator_priv; + struct i2c_client *client = state->client; + int ret; + + dev_dbg(&client->dev, "onoff %d\n", onoff); + + ret = regmap_update_bits(state->regmap, 0xd503, 0x01, onoff); + if (ret) + goto err; + + return 0; +err: + dev_dbg(&client->dev, "failed %d\n", ret); + return ret; +} + +static int af9013_pid_filter(struct dvb_frontend *fe, u8 index, u16 pid, + int onoff) +{ + struct af9013_state *state = fe->demodulator_priv; + struct i2c_client *client = state->client; + int ret; + u8 buf[2]; + + dev_dbg(&client->dev, "index %d, pid %04x, onoff %d\n", + index, pid, onoff); + + if (pid > 0x1fff) { + /* 0x2000 is kernel virtual pid for whole ts (all pids) */ + ret = 0; + goto err; + } + + buf[0] = (pid >> 0) & 0xff; + buf[1] = (pid >> 8) & 0xff; + ret = regmap_bulk_write(state->regmap, 0xd505, buf, 2); + if (ret) + goto err; + ret = regmap_write(state->regmap, 0xd504, onoff << 5 | index << 0); + if (ret) + goto err; + + return 0; +err: + dev_dbg(&client->dev, "failed %d\n", ret); + return ret; +} + static struct dvb_frontend *af9013_get_dvb_frontend(struct i2c_client *client) { struct af9013_state *state = i2c_get_clientdata(client); @@ -1473,6 +1523,8 @@ static int af9013_probe(struct i2c_client *client, /* Setup callbacks */ pdata->get_dvb_frontend = af9013_get_dvb_frontend; pdata->get_i2c_adapter = af9013_get_i2c_adapter; + pdata->pid_filter = af9013_pid_filter; + pdata->pid_filter_ctrl = af9013_pid_filter_ctrl; /* Init stats to indicate which stats are supported */ c = &state->fe.dtv_property_cache; diff --git a/drivers/media/dvb-frontends/af9013.h b/drivers/media/dvb-frontends/af9013.h index 8144d4270b58..165ae29ccac4 100644 --- a/drivers/media/dvb-frontends/af9013.h +++ b/drivers/media/dvb-frontends/af9013.h @@ -38,6 +38,9 @@ * @api_version: Firmware API version. * @gpio: GPIOs. * @get_dvb_frontend: Get DVB frontend callback. + * @get_i2c_adapter: Get I2C adapter. + * @pid_filter_ctrl: Control PID filter. + * @pid_filter: Set PID to PID filter. */ struct af9013_platform_data { /* @@ -78,6 +81,8 @@ struct af9013_platform_data { struct dvb_frontend* (*get_dvb_frontend)(struct i2c_client *); struct i2c_adapter* (*get_i2c_adapter)(struct i2c_client *); + int (*pid_filter_ctrl)(struct dvb_frontend *, int); + int (*pid_filter)(struct dvb_frontend *, u8, u16, int); }; /* |