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Commit e4ec84f8 authored by Lars-Peter Clausen's avatar Lars-Peter Clausen Committed by Jonathan Cameron
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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
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Showing with 110 additions and 90 deletions
drivers/iio/adc/max1363.c
View file @ e4ec84f8
......@@ -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,
......
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