Em Mon, 27 Jul 2015 14:22:05 +0300
Antti Palosaari <crope@xxxxxx> escreveu:
> Add proper i2c driver model bindings.
Hi Antti,
What's the status of this patch series? You submitted them on July, but
never sent me a pull request...
Regards,
Mauro
>
> Signed-off-by: Antti Palosaari <crope@xxxxxx>
> ---
> drivers/media/tuners/mt2060.c | 83 ++++++++++++++++++++++++++++++++++++++
> drivers/media/tuners/mt2060.h | 20 +++++++++
> drivers/media/tuners/mt2060_priv.h | 2 +
> 3 files changed, 105 insertions(+)
>
> diff --git a/drivers/media/tuners/mt2060.c b/drivers/media/tuners/mt2060.c
> index b87b254..aa8280a 100644
> --- a/drivers/media/tuners/mt2060.c
> +++ b/drivers/media/tuners/mt2060.c
> @@ -397,6 +397,89 @@ struct dvb_frontend * mt2060_attach(struct dvb_frontend *fe, struct i2c_adapter
> }
> EXPORT_SYMBOL(mt2060_attach);
>
> +static int mt2060_probe(struct i2c_client *client,
> + const struct i2c_device_id *id)
> +{
> + struct mt2060_platform_data *pdata = client->dev.platform_data;
> + struct dvb_frontend *fe;
> + struct mt2060_priv *dev;
> + int ret;
> + u8 chip_id;
> +
> + dev_dbg(&client->dev, "\n");
> +
> + if (!pdata) {
> + dev_err(&client->dev, "Cannot proceed without platform data\n");
> + ret = -EINVAL;
> + goto err;
> + }
> +
> + dev = devm_kzalloc(&client->dev, sizeof(*dev), GFP_KERNEL);
> + if (!dev) {
> + ret = -ENOMEM;
> + goto err;
> + }
> +
> + fe = pdata->dvb_frontend;
> + dev->config.i2c_address = client->addr;
> + dev->config.clock_out = pdata->clock_out;
> + dev->cfg = &dev->config;
> + dev->i2c = client->adapter;
> + dev->if1_freq = pdata->if1 ? pdata->if1 : 1220;
> + dev->client = client;
> +
> + ret = mt2060_readreg(dev, REG_PART_REV, &chip_id);
> + if (ret) {
> + ret = -ENODEV;
> + goto err;
> + }
> +
> + dev_dbg(&client->dev, "chip id=%02x\n", chip_id);
> +
> + if (chip_id != PART_REV) {
> + ret = -ENODEV;
> + goto err;
> + }
> +
> + dev_info(&client->dev, "Microtune MT2060 successfully identified\n");
> + memcpy(&fe->ops.tuner_ops, &mt2060_tuner_ops, sizeof(fe->ops.tuner_ops));
> + fe->ops.tuner_ops.release = NULL;
> + fe->tuner_priv = dev;
> + i2c_set_clientdata(client, dev);
> +
> + mt2060_calibrate(dev);
> +
> + return 0;
> +err:
> + dev_dbg(&client->dev, "failed=%d\n", ret);
> + return ret;
> +}
> +
> +static int mt2060_remove(struct i2c_client *client)
> +{
> + dev_dbg(&client->dev, "\n");
> +
> + return 0;
> +}
> +
> +static const struct i2c_device_id mt2060_id_table[] = {
> + {"mt2060", 0},
> + {}
> +};
> +MODULE_DEVICE_TABLE(i2c, mt2060_id_table);
> +
> +static struct i2c_driver mt2060_driver = {
> + .driver = {
> + .name = "mt2060",
> + .suppress_bind_attrs = true,
> + },
> + .probe = mt2060_probe,
> + .remove = mt2060_remove,
> + .id_table = mt2060_id_table,
> +};
> +
> +module_i2c_driver(mt2060_driver);
> +
> MODULE_AUTHOR("Olivier DANET");
> MODULE_DESCRIPTION("Microtune MT2060 silicon tuner driver");
> MODULE_LICENSE("GPL");
> diff --git a/drivers/media/tuners/mt2060.h b/drivers/media/tuners/mt2060.h
> index 6efed35..05c0d55 100644
> --- a/drivers/media/tuners/mt2060.h
> +++ b/drivers/media/tuners/mt2060.h
> @@ -25,6 +25,26 @@
> struct dvb_frontend;
> struct i2c_adapter;
>
> +/*
> + * I2C address
> + * 0x60, ...
> + */
> +
> +/**
> + * struct mt2060_platform_data - Platform data for the mt2060 driver
> + * @clock_out: Clock output setting. 0 = off, 1 = CLK/4, 2 = CLK/2, 3 = CLK/1.
> + * @if1: First IF used [MHz]. 0 defaults to 1220.
> + * @dvb_frontend: DVB frontend.
> + */
> +
> +struct mt2060_platform_data {
> + u8 clock_out;
> + u16 if1;
> + struct dvb_frontend *dvb_frontend;
> +};
> +
> +
> +/* configuration struct for mt2060_attach() */
> struct mt2060_config {
> u8 i2c_address;
> u8 clock_out; /* 0 = off, 1 = CLK/4, 2 = CLK/2, 3 = CLK/1 */
> diff --git a/drivers/media/tuners/mt2060_priv.h b/drivers/media/tuners/mt2060_priv.h
> index 2b60de6..dfc4a06 100644
> --- a/drivers/media/tuners/mt2060_priv.h
> +++ b/drivers/media/tuners/mt2060_priv.h
> @@ -95,6 +95,8 @@
> struct mt2060_priv {
> struct mt2060_config *cfg;
> struct i2c_adapter *i2c;
> + struct i2c_client *client;
> + struct mt2060_config config;
>
> u32 frequency;
> u16 if1_freq;
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