diff options
Diffstat (limited to 'drivers/media/dvb-frontends/tda10071.c')
| -rw-r--r-- | drivers/media/dvb-frontends/tda10071.c | 117 |
1 files changed, 112 insertions, 5 deletions
diff --git a/drivers/media/dvb-frontends/tda10071.c b/drivers/media/dvb-frontends/tda10071.c index c6708d472..3475cbcca 100644 --- a/drivers/media/dvb-frontends/tda10071.c +++ b/drivers/media/dvb-frontends/tda10071.c @@ -203,7 +203,7 @@ error: } static int tda10071_set_tone(struct dvb_frontend *fe, - fe_sec_tone_mode_t fe_sec_tone_mode) + enum fe_sec_tone_mode fe_sec_tone_mode) { struct tda10071_priv *priv = fe->demodulator_priv; struct tda10071_cmd cmd; @@ -249,7 +249,7 @@ error: } static int tda10071_set_voltage(struct dvb_frontend *fe, - fe_sec_voltage_t fe_sec_voltage) + enum fe_sec_voltage fe_sec_voltage) { struct tda10071_priv *priv = fe->demodulator_priv; struct tda10071_cmd cmd; @@ -413,7 +413,7 @@ error: } static int tda10071_diseqc_send_burst(struct dvb_frontend *fe, - fe_sec_mini_cmd_t fe_sec_mini_cmd) + enum fe_sec_mini_cmd fe_sec_mini_cmd) { struct tda10071_priv *priv = fe->demodulator_priv; struct tda10071_cmd cmd; @@ -476,7 +476,7 @@ error: return ret; } -static int tda10071_read_status(struct dvb_frontend *fe, fe_status_t *status) +static int tda10071_read_status(struct dvb_frontend *fe, enum fe_status *status) { struct tda10071_priv *priv = fe->demodulator_priv; int ret; @@ -668,7 +668,7 @@ static int tda10071_set_frontend(struct dvb_frontend *fe) struct dtv_frontend_properties *c = &fe->dtv_property_cache; int ret, i; u8 mode, rolloff, pilot, inversion, div; - fe_modulation_t modulation; + enum fe_modulation modulation; dev_dbg(&priv->i2c->dev, "%s: delivery_system=%d modulation=%d frequency=%d symbol_rate=%d inversion=%d pilot=%d rolloff=%d\n", @@ -1313,6 +1313,113 @@ static struct dvb_frontend_ops tda10071_ops = { .set_voltage = tda10071_set_voltage, }; +static struct dvb_frontend *tda10071_get_dvb_frontend(struct i2c_client *client) +{ + struct tda10071_priv *dev = i2c_get_clientdata(client); + + dev_dbg(&client->dev, "\n"); + + return &dev->fe; +} + +static int tda10071_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct tda10071_priv *dev; + struct tda10071_platform_data *pdata = client->dev.platform_data; + int ret; + u8 u8tmp; + + dev = kzalloc(sizeof(*dev), GFP_KERNEL); + if (!dev) { + ret = -ENOMEM; + goto err; + } + + dev->client = client; + dev->i2c = client->adapter; + dev->cfg.demod_i2c_addr = client->addr; + dev->cfg.i2c_wr_max = pdata->i2c_wr_max; + dev->cfg.ts_mode = pdata->ts_mode; + dev->cfg.spec_inv = pdata->spec_inv; + dev->cfg.xtal = pdata->clk; + dev->cfg.pll_multiplier = pdata->pll_multiplier; + dev->cfg.tuner_i2c_addr = pdata->tuner_i2c_addr; + + /* chip ID */ + ret = tda10071_rd_reg(dev, 0xff, &u8tmp); + if (ret) + goto err_kfree; + if (u8tmp != 0x0f) { + ret = -ENODEV; + goto err_kfree; + } + + /* chip type */ + ret = tda10071_rd_reg(dev, 0xdd, &u8tmp); + if (ret) + goto err_kfree; + if (u8tmp != 0x00) { + ret = -ENODEV; + goto err_kfree; + } + + /* chip version */ + ret = tda10071_rd_reg(dev, 0xfe, &u8tmp); + if (ret) + goto err_kfree; + if (u8tmp != 0x01) { + ret = -ENODEV; + goto err_kfree; + } + + /* create dvb_frontend */ + memcpy(&dev->fe.ops, &tda10071_ops, sizeof(struct dvb_frontend_ops)); + dev->fe.ops.release = NULL; + dev->fe.demodulator_priv = dev; + i2c_set_clientdata(client, dev); + + /* setup callbacks */ + pdata->get_dvb_frontend = tda10071_get_dvb_frontend; + + dev_info(&client->dev, "NXP TDA10071 successfully identified\n"); + return 0; +err_kfree: + kfree(dev); +err: + dev_dbg(&client->dev, "failed=%d\n", ret); + return ret; +} + +static int tda10071_remove(struct i2c_client *client) +{ + struct tda10071_dev *dev = i2c_get_clientdata(client); + + dev_dbg(&client->dev, "\n"); + + kfree(dev); + return 0; +} + +static const struct i2c_device_id tda10071_id_table[] = { + {"tda10071_cx24118", 0}, + {} +}; +MODULE_DEVICE_TABLE(i2c, tda10071_id_table); + +static struct i2c_driver tda10071_driver = { + .driver = { + .owner = THIS_MODULE, + .name = "tda10071", + .suppress_bind_attrs = true, + }, + .probe = tda10071_probe, + .remove = tda10071_remove, + .id_table = tda10071_id_table, +}; + +module_i2c_driver(tda10071_driver); + MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>"); MODULE_DESCRIPTION("NXP TDA10071 DVB-S/S2 demodulator driver"); MODULE_LICENSE("GPL"); |