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Commit e4ec84f8 authored by Lars-Peter Clausen's avatar Lars-Peter Clausen Committed by Jonathan Cameron
Browse files

iio:max1363: Switch to new event config interface 



Switch the max1363 driver to the new IIO event config interface as the old one
is going to be removed.

Signed-off-by: default avatarLars-Peter Clausen <lars@metafoo.de>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent b4e3ac0a

drivers/iio/adc/max1363.c

+110 −90
Original line number Diff line number Diff line
@@ -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),	\

#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[] = {
@@ -510,30 +525,30 @@ static const enum max1363_modes max1238_mode_list[] = { 
};



#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),	\

	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);
@@ -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 @@ static inline int __max1363_check_event_mask(int thismask, int checkmask) 
}



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,