Re: [PATCH v2 03/20] iio:max1363: Switch to new event config interface

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 10/07/13 15:11, Lars-Peter Clausen wrote:
> Switch the max1363 driver to the new IIO event config interface as the old one
> is going to be removed.
> 
> Signed-off-by: Lars-Peter Clausen <lars@xxxxxxxxxx>
Applied to the togreg branch of iio.git

Thanks.

> ---
>  drivers/iio/adc/max1363.c | 200 +++++++++++++++++++++++++---------------------
>  1 file changed, 110 insertions(+), 90 deletions(-)
> 
> diff --git a/drivers/iio/adc/max1363.c b/drivers/iio/adc/max1363.c
> index 2b34d2f..cc07b37 100644
> --- a/drivers/iio/adc/max1363.c
> +++ b/drivers/iio/adc/max1363.c
> @@ -422,11 +422,21 @@ static const enum max1363_modes max1363_mode_list[] = {
>  	d0m1to2m3, d1m0to3m2,
>  };
>  
> -#define MAX1363_EV_M						\
> -	(IIO_EV_BIT(IIO_EV_TYPE_THRESH, IIO_EV_DIR_RISING)	\
> -	 | IIO_EV_BIT(IIO_EV_TYPE_THRESH, IIO_EV_DIR_FALLING))
> +static const struct iio_event_spec max1363_events[] = {
> +	{
> +		.type = IIO_EV_TYPE_THRESH,
> +		.dir = IIO_EV_DIR_RISING,
> +		.mask_separate = BIT(IIO_EV_INFO_VALUE) |
> +			BIT(IIO_EV_INFO_ENABLE),
> +	}, {
> +		.type = IIO_EV_TYPE_THRESH,
> +		.dir = IIO_EV_DIR_FALLING,
> +		.mask_separate = BIT(IIO_EV_INFO_VALUE) |
> +			BIT(IIO_EV_INFO_ENABLE),
> +	},
> +};
>  
> -#define MAX1363_CHAN_U(num, addr, si, bits, evmask)			\
> +#define MAX1363_CHAN_U(num, addr, si, bits, ev_spec, num_ev_spec)	\
>  	{								\
>  		.type = IIO_VOLTAGE,					\
>  		.indexed = 1,						\
> @@ -442,11 +452,12 @@ static const enum max1363_modes max1363_mode_list[] = {
>  			.endianness = IIO_BE,				\
>  		},							\
>  		.scan_index = si,					\
> -		.event_mask = evmask,					\
> +		.event_spec = ev_spec,					\
> +		.num_event_specs = num_ev_spec,				\
>  	}
>  
>  /* bipolar channel */
> -#define MAX1363_CHAN_B(num, num2, addr, si, bits, evmask)		\
> +#define MAX1363_CHAN_B(num, num2, addr, si, bits, ev_spec, num_ev_spec)	\
>  	{								\
>  		.type = IIO_VOLTAGE,					\
>  		.differential = 1,					\
> @@ -464,28 +475,32 @@ static const enum max1363_modes max1363_mode_list[] = {
>  			.endianness = IIO_BE,				\
>  		},							\
>  		.scan_index = si,					\
> -		.event_mask = evmask,					\
> +		.event_spec = ev_spec,					\
> +		.num_event_specs = num_ev_spec,				\
>  	}
>  
> -#define MAX1363_4X_CHANS(bits, em) {			\
> -	MAX1363_CHAN_U(0, _s0, 0, bits, em),		\
> -	MAX1363_CHAN_U(1, _s1, 1, bits, em),		\
> -	MAX1363_CHAN_U(2, _s2, 2, bits, em),		\
> -	MAX1363_CHAN_U(3, _s3, 3, bits, em),		\
> -	MAX1363_CHAN_B(0, 1, d0m1, 4, bits, em),	\
> -	MAX1363_CHAN_B(2, 3, d2m3, 5, bits, em),	\
> -	MAX1363_CHAN_B(1, 0, d1m0, 6, bits, em),	\
> -	MAX1363_CHAN_B(3, 2, d3m2, 7, bits, em),	\
> -	IIO_CHAN_SOFT_TIMESTAMP(8)			\
> +#define MAX1363_4X_CHANS(bits, ev_spec, num_ev_spec) {			\
> +	MAX1363_CHAN_U(0, _s0, 0, bits, ev_spec, num_ev_spec),		\
> +	MAX1363_CHAN_U(1, _s1, 1, bits, ev_spec, num_ev_spec),		\
> +	MAX1363_CHAN_U(2, _s2, 2, bits, ev_spec, num_ev_spec),		\
> +	MAX1363_CHAN_U(3, _s3, 3, bits, ev_spec, num_ev_spec),		\
> +	MAX1363_CHAN_B(0, 1, d0m1, 4, bits, ev_spec, num_ev_spec),	\
> +	MAX1363_CHAN_B(2, 3, d2m3, 5, bits, ev_spec, num_ev_spec),	\
> +	MAX1363_CHAN_B(1, 0, d1m0, 6, bits, ev_spec, num_ev_spec),	\
> +	MAX1363_CHAN_B(3, 2, d3m2, 7, bits, ev_spec, num_ev_spec),	\
> +	IIO_CHAN_SOFT_TIMESTAMP(8)					\
>  	}
>  
> -static const struct iio_chan_spec max1036_channels[] = MAX1363_4X_CHANS(8, 0);
> -static const struct iio_chan_spec max1136_channels[] = MAX1363_4X_CHANS(10, 0);
> -static const struct iio_chan_spec max1236_channels[] = MAX1363_4X_CHANS(12, 0);
> +static const struct iio_chan_spec max1036_channels[] =
> +	MAX1363_4X_CHANS(8, NULL, 0);
> +static const struct iio_chan_spec max1136_channels[] =
> +	MAX1363_4X_CHANS(10, NULL, 0);
> +static const struct iio_chan_spec max1236_channels[] =
> +	MAX1363_4X_CHANS(12, NULL, 0);
>  static const struct iio_chan_spec max1361_channels[] =
> -	MAX1363_4X_CHANS(10, MAX1363_EV_M);
> +	MAX1363_4X_CHANS(10, max1363_events, ARRAY_SIZE(max1363_events));
>  static const struct iio_chan_spec max1363_channels[] =
> -	MAX1363_4X_CHANS(12, MAX1363_EV_M);
> +	MAX1363_4X_CHANS(12, max1363_events, ARRAY_SIZE(max1363_events));
>  
>  /* Applies to max1236, max1237 */
>  static const enum max1363_modes max1236_mode_list[] = {
> @@ -509,32 +524,32 @@ static const enum max1363_modes max1238_mode_list[] = {
>  	d6m7to8m9, d6m7to10m11, d7m6to9m8, d7m6to11m10,
>  };
>  
> -#define MAX1363_12X_CHANS(bits) {			\
> -	MAX1363_CHAN_U(0, _s0, 0, bits, 0),		\
> -	MAX1363_CHAN_U(1, _s1, 1, bits, 0),		\
> -	MAX1363_CHAN_U(2, _s2, 2, bits, 0),		\
> -	MAX1363_CHAN_U(3, _s3, 3, bits, 0),		\
> -	MAX1363_CHAN_U(4, _s4, 4, bits, 0),		\
> -	MAX1363_CHAN_U(5, _s5, 5, bits, 0),		\
> -	MAX1363_CHAN_U(6, _s6, 6, bits, 0),		\
> -	MAX1363_CHAN_U(7, _s7, 7, bits, 0),		\
> -	MAX1363_CHAN_U(8, _s8, 8, bits, 0),		\
> -	MAX1363_CHAN_U(9, _s9, 9, bits, 0),		\
> -	MAX1363_CHAN_U(10, _s10, 10, bits, 0),		\
> -	MAX1363_CHAN_U(11, _s11, 11, bits, 0),		\
> -	MAX1363_CHAN_B(0, 1, d0m1, 12, bits, 0),	\
> -	MAX1363_CHAN_B(2, 3, d2m3, 13, bits, 0),	\
> -	MAX1363_CHAN_B(4, 5, d4m5, 14, bits, 0),	\
> -	MAX1363_CHAN_B(6, 7, d6m7, 15, bits, 0),	\
> -	MAX1363_CHAN_B(8, 9, d8m9, 16, bits, 0),	\
> -	MAX1363_CHAN_B(10, 11, d10m11, 17, bits, 0),	\
> -	MAX1363_CHAN_B(1, 0, d1m0, 18, bits, 0),	\
> -	MAX1363_CHAN_B(3, 2, d3m2, 19, bits, 0),	\
> -	MAX1363_CHAN_B(5, 4, d5m4, 20, bits, 0),	\
> -	MAX1363_CHAN_B(7, 6, d7m6, 21, bits, 0),	\
> -	MAX1363_CHAN_B(9, 8, d9m8, 22, bits, 0),	\
> -	MAX1363_CHAN_B(11, 10, d11m10, 23, bits, 0),	\
> -	IIO_CHAN_SOFT_TIMESTAMP(24)			\
> +#define MAX1363_12X_CHANS(bits) {				\
> +	MAX1363_CHAN_U(0, _s0, 0, bits, NULL, 0),		\
> +	MAX1363_CHAN_U(1, _s1, 1, bits, NULL, 0),		\
> +	MAX1363_CHAN_U(2, _s2, 2, bits, NULL, 0),		\
> +	MAX1363_CHAN_U(3, _s3, 3, bits, NULL, 0),		\
> +	MAX1363_CHAN_U(4, _s4, 4, bits, NULL, 0),		\
> +	MAX1363_CHAN_U(5, _s5, 5, bits, NULL, 0),		\
> +	MAX1363_CHAN_U(6, _s6, 6, bits, NULL, 0),		\
> +	MAX1363_CHAN_U(7, _s7, 7, bits, NULL, 0),		\
> +	MAX1363_CHAN_U(8, _s8, 8, bits, NULL, 0),		\
> +	MAX1363_CHAN_U(9, _s9, 9, bits, NULL, 0),		\
> +	MAX1363_CHAN_U(10, _s10, 10, bits, NULL, 0),		\
> +	MAX1363_CHAN_U(11, _s11, 11, bits, NULL, 0),		\
> +	MAX1363_CHAN_B(0, 1, d0m1, 12, bits, NULL, 0),		\
> +	MAX1363_CHAN_B(2, 3, d2m3, 13, bits, NULL, 0),		\
> +	MAX1363_CHAN_B(4, 5, d4m5, 14, bits, NULL, 0),		\
> +	MAX1363_CHAN_B(6, 7, d6m7, 15, bits, NULL, 0),		\
> +	MAX1363_CHAN_B(8, 9, d8m9, 16, bits, NULL, 0),		\
> +	MAX1363_CHAN_B(10, 11, d10m11, 17, bits, NULL, 0),	\
> +	MAX1363_CHAN_B(1, 0, d1m0, 18, bits, NULL, 0),		\
> +	MAX1363_CHAN_B(3, 2, d3m2, 19, bits, NULL, 0),		\
> +	MAX1363_CHAN_B(5, 4, d5m4, 20, bits, NULL, 0),		\
> +	MAX1363_CHAN_B(7, 6, d7m6, 21, bits, NULL, 0),		\
> +	MAX1363_CHAN_B(9, 8, d9m8, 22, bits, NULL, 0),		\
> +	MAX1363_CHAN_B(11, 10, d11m10, 23, bits, NULL, 0),	\
> +	IIO_CHAN_SOFT_TIMESTAMP(24)				\
>  	}
>  static const struct iio_chan_spec max1038_channels[] = MAX1363_12X_CHANS(8);
>  static const struct iio_chan_spec max1138_channels[] = MAX1363_12X_CHANS(10);
> @@ -559,22 +574,22 @@ static const enum max1363_modes max11608_mode_list[] = {
>  };
>  
>  #define MAX1363_8X_CHANS(bits) {			\
> -	MAX1363_CHAN_U(0, _s0, 0, bits, 0),		\
> -	MAX1363_CHAN_U(1, _s1, 1, bits, 0),		\
> -	MAX1363_CHAN_U(2, _s2, 2, bits, 0),		\
> -	MAX1363_CHAN_U(3, _s3, 3, bits, 0),		\
> -	MAX1363_CHAN_U(4, _s4, 4, bits, 0),		\
> -	MAX1363_CHAN_U(5, _s5, 5, bits, 0),		\
> -	MAX1363_CHAN_U(6, _s6, 6, bits, 0),		\
> -	MAX1363_CHAN_U(7, _s7, 7, bits, 0),		\
> -	MAX1363_CHAN_B(0, 1, d0m1, 8, bits, 0),	\
> -	MAX1363_CHAN_B(2, 3, d2m3, 9, bits, 0),	\
> -	MAX1363_CHAN_B(4, 5, d4m5, 10, bits, 0),	\
> -	MAX1363_CHAN_B(6, 7, d6m7, 11, bits, 0),	\
> -	MAX1363_CHAN_B(1, 0, d1m0, 12, bits, 0),	\
> -	MAX1363_CHAN_B(3, 2, d3m2, 13, bits, 0),	\
> -	MAX1363_CHAN_B(5, 4, d5m4, 14, bits, 0),	\
> -	MAX1363_CHAN_B(7, 6, d7m6, 15, bits, 0),	\
> +	MAX1363_CHAN_U(0, _s0, 0, bits, NULL, 0),	\
> +	MAX1363_CHAN_U(1, _s1, 1, bits, NULL, 0),	\
> +	MAX1363_CHAN_U(2, _s2, 2, bits, NULL, 0),	\
> +	MAX1363_CHAN_U(3, _s3, 3, bits, NULL, 0),	\
> +	MAX1363_CHAN_U(4, _s4, 4, bits, NULL, 0),	\
> +	MAX1363_CHAN_U(5, _s5, 5, bits, NULL, 0),	\
> +	MAX1363_CHAN_U(6, _s6, 6, bits, NULL, 0),	\
> +	MAX1363_CHAN_U(7, _s7, 7, bits, NULL, 0),	\
> +	MAX1363_CHAN_B(0, 1, d0m1, 8, bits, NULL, 0),	\
> +	MAX1363_CHAN_B(2, 3, d2m3, 9, bits, NULL, 0),	\
> +	MAX1363_CHAN_B(4, 5, d4m5, 10, bits, NULL, 0),	\
> +	MAX1363_CHAN_B(6, 7, d6m7, 11, bits, NULL, 0),	\
> +	MAX1363_CHAN_B(1, 0, d1m0, 12, bits, NULL, 0),	\
> +	MAX1363_CHAN_B(3, 2, d3m2, 13, bits, NULL, 0),	\
> +	MAX1363_CHAN_B(5, 4, d5m4, 14, bits, NULL, 0),	\
> +	MAX1363_CHAN_B(7, 6, d7m6, 15, bits, NULL, 0),	\
>  	IIO_CHAN_SOFT_TIMESTAMP(16)			\
>  }
>  static const struct iio_chan_spec max11602_channels[] = MAX1363_8X_CHANS(8);
> @@ -586,10 +601,10 @@ static const enum max1363_modes max11644_mode_list[] = {
>  };
>  
>  #define MAX1363_2X_CHANS(bits) {			\
> -	MAX1363_CHAN_U(0, _s0, 0, bits, 0),		\
> -	MAX1363_CHAN_U(1, _s1, 1, bits, 0),		\
> -	MAX1363_CHAN_B(0, 1, d0m1, 2, bits, 0),	\
> -	MAX1363_CHAN_B(1, 0, d1m0, 3, bits, 0),	\
> +	MAX1363_CHAN_U(0, _s0, 0, bits, NULL, 0),	\
> +	MAX1363_CHAN_U(1, _s1, 1, bits, NULL, 0),	\
> +	MAX1363_CHAN_B(0, 1, d0m1, 2, bits, NULL, 0),	\
> +	MAX1363_CHAN_B(1, 0, d1m0, 3, bits, NULL, 0),	\
>  	IIO_CHAN_SOFT_TIMESTAMP(4)			\
>  	}
>  
> @@ -684,20 +699,22 @@ static IIO_CONST_ATTR(sampling_frequency_available,
>  		"133000 665000 33300 16600 8300 4200 2000 1000");
>  
>  static int max1363_read_thresh(struct iio_dev *indio_dev,
> -			       u64 event_code,
> -			       int *val)
> +	const struct iio_chan_spec *chan, enum iio_event_type type,
> +	enum iio_event_direction dir, enum iio_event_info info, int *val,
> +	int *val2)
>  {
>  	struct max1363_state *st = iio_priv(indio_dev);
> -	if (IIO_EVENT_CODE_EXTRACT_DIR(event_code) == IIO_EV_DIR_FALLING)
> -		*val = st->thresh_low[IIO_EVENT_CODE_EXTRACT_CHAN(event_code)];
> +	if (dir == IIO_EV_DIR_FALLING)
> +		*val = st->thresh_low[chan->channel];
>  	else
> -		*val = st->thresh_high[IIO_EVENT_CODE_EXTRACT_CHAN(event_code)];
> -	return 0;
> +		*val = st->thresh_high[chan->channel];
> +	return IIO_VAL_INT;
>  }
>  
>  static int max1363_write_thresh(struct iio_dev *indio_dev,
> -				u64 event_code,
> -				int val)
> +	const struct iio_chan_spec *chan, enum iio_event_type type,
> +	enum iio_event_direction dir, enum iio_event_info info, int val,
> +	int val2)
>  {
>  	struct max1363_state *st = iio_priv(indio_dev);
>  	/* make it handle signed correctly as well */
> @@ -712,13 +729,15 @@ static int max1363_write_thresh(struct iio_dev *indio_dev,
>  		break;
>  	}
>  
> -	switch (IIO_EVENT_CODE_EXTRACT_DIR(event_code)) {
> +	switch (dir) {
>  	case IIO_EV_DIR_FALLING:
> -		st->thresh_low[IIO_EVENT_CODE_EXTRACT_CHAN(event_code)] = val;
> +		st->thresh_low[chan->channel] = val;
>  		break;
>  	case IIO_EV_DIR_RISING:
> -		st->thresh_high[IIO_EVENT_CODE_EXTRACT_CHAN(event_code)] = val;
> +		st->thresh_high[chan->channel] = val;
>  		break;
> +	default:
> +		return -EINVAL;
>  	}
>  
>  	return 0;
> @@ -763,14 +782,15 @@ static irqreturn_t max1363_event_handler(int irq, void *private)
>  }
>  
>  static int max1363_read_event_config(struct iio_dev *indio_dev,
> -				     u64 event_code)
> +	const struct iio_chan_spec *chan, enum iio_event_type type,
> +	enum iio_event_direction dir)
>  {
>  	struct max1363_state *st = iio_priv(indio_dev);
>  	int val;
> -	int number = IIO_EVENT_CODE_EXTRACT_CHAN(event_code);
> +	int number = chan->channel;
>  
>  	mutex_lock(&indio_dev->mlock);
> -	if (IIO_EVENT_CODE_EXTRACT_DIR(event_code) == IIO_EV_DIR_FALLING)
> +	if (dir == IIO_EV_DIR_FALLING)
>  		val = (1 << number) & st->mask_low;
>  	else
>  		val = (1 << number) & st->mask_high;
> @@ -915,17 +935,17 @@ error_ret:
>  }
>  
>  static int max1363_write_event_config(struct iio_dev *indio_dev,
> -				      u64 event_code,
> -				      int state)
> +	const struct iio_chan_spec *chan, enum iio_event_type type,
> +	enum iio_event_direction dir, int state)
>  {
>  	int ret = 0;
>  	struct max1363_state *st = iio_priv(indio_dev);
>  	u16 unifiedmask;
> -	int number = IIO_EVENT_CODE_EXTRACT_CHAN(event_code);
> +	int number = chan->channel;
>  
>  	mutex_lock(&indio_dev->mlock);
>  	unifiedmask = st->mask_low | st->mask_high;
> -	if (IIO_EVENT_CODE_EXTRACT_DIR(event_code) == IIO_EV_DIR_FALLING) {
> +	if (dir == IIO_EV_DIR_FALLING) {
>  
>  		if (state == 0)
>  			st->mask_low &= ~(1 << number);
> @@ -993,10 +1013,10 @@ static const struct iio_info max1238_info = {
>  };
>  
>  static const struct iio_info max1363_info = {
> -	.read_event_value = &max1363_read_thresh,
> -	.write_event_value = &max1363_write_thresh,
> -	.read_event_config = &max1363_read_event_config,
> -	.write_event_config = &max1363_write_event_config,
> +	.read_event_value_new = &max1363_read_thresh,
> +	.write_event_value_new = &max1363_write_thresh,
> +	.read_event_config_new = &max1363_read_event_config,
> +	.write_event_config_new = &max1363_write_event_config,
>  	.read_raw = &max1363_read_raw,
>  	.update_scan_mode = &max1363_update_scan_mode,
>  	.driver_module = THIS_MODULE,
> 
--
To unsubscribe from this list: send the line "unsubscribe linux-iio" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Input]     [Linux Kernel]     [Linux SCSI]     [X.org]

  Powered by Linux