This patch add support to redirect the DRDY interrupt on INT1 or INT2 on accelerometer and pressure sensors. Signed-off-by: Denis Ciocca <denis.ciocca@xxxxxx> --- drivers/iio/accel/st_accel.h | 11 +++++- drivers/iio/accel/st_accel_core.c | 27 +++++++++----- drivers/iio/accel/st_accel_i2c.c | 2 +- drivers/iio/accel/st_accel_spi.c | 2 +- drivers/iio/common/st_sensors/st_sensors_core.c | 43 +++++++++++++++++++---- drivers/iio/gyro/st_gyro.h | 11 +++++- drivers/iio/gyro/st_gyro_core.c | 13 +++---- drivers/iio/gyro/st_gyro_i2c.c | 3 +- drivers/iio/gyro/st_gyro_spi.c | 3 +- drivers/iio/magnetometer/st_magn.h | 3 +- drivers/iio/magnetometer/st_magn_core.c | 5 +-- drivers/iio/magnetometer/st_magn_i2c.c | 2 +- drivers/iio/magnetometer/st_magn_spi.c | 2 +- drivers/iio/pressure/st_pressure.h | 14 ++++++-- drivers/iio/pressure/st_pressure_core.c | 15 +++++--- drivers/iio/pressure/st_pressure_i2c.c | 2 +- drivers/iio/pressure/st_pressure_spi.c | 2 +- include/linux/iio/common/st_sensors.h | 11 ++++-- include/linux/platform_data/st_sensors_pdata.h | 24 +++++++++++++ 19 files changed, 153 insertions(+), 42 deletions(-) create mode 100644 include/linux/platform_data/st_sensors_pdata.h diff --git a/drivers/iio/accel/st_accel.h b/drivers/iio/accel/st_accel.h index 37949b9..80253fb 100644 --- a/drivers/iio/accel/st_accel.h +++ b/drivers/iio/accel/st_accel.h @@ -25,7 +25,16 @@ #define LSM303DLM_ACCEL_DEV_NAME "lsm303dlm_accel" #define LSM330_ACCEL_DEV_NAME "lsm330_accel" -int st_accel_common_probe(struct iio_dev *indio_dev); +/** + * struct st_sensors_platform_data - default accel platform data + * @drdy_int_pin: default DRDY on accel is available on INT1 pin. + */ +static const struct st_sensors_platform_data default_accel_pdata = { + .drdy_int_pin = 1, +}; + +int st_accel_common_probe(struct iio_dev *indio_dev, + struct st_sensors_platform_data *pdata); void st_accel_common_remove(struct iio_dev *indio_dev); #ifdef CONFIG_IIO_BUFFER diff --git a/drivers/iio/accel/st_accel_core.c b/drivers/iio/accel/st_accel_core.c index 2b8a7bd..bb8a217 100644 --- a/drivers/iio/accel/st_accel_core.c +++ b/drivers/iio/accel/st_accel_core.c @@ -63,7 +63,8 @@ #define ST_ACCEL_1_BDU_ADDR 0x23 #define ST_ACCEL_1_BDU_MASK 0x80 #define ST_ACCEL_1_DRDY_IRQ_ADDR 0x22 -#define ST_ACCEL_1_DRDY_IRQ_MASK 0x10 +#define ST_ACCEL_1_DRDY_IRQ_INT1_MASK 0x10 +#define ST_ACCEL_1_DRDY_IRQ_INT2_MASK 0x08 #define ST_ACCEL_1_MULTIREAD_BIT true /* CUSTOM VALUES FOR SENSOR 2 */ @@ -87,7 +88,8 @@ #define ST_ACCEL_2_BDU_ADDR 0x23 #define ST_ACCEL_2_BDU_MASK 0x80 #define ST_ACCEL_2_DRDY_IRQ_ADDR 0x22 -#define ST_ACCEL_2_DRDY_IRQ_MASK 0x02 +#define ST_ACCEL_2_DRDY_IRQ_INT1_MASK 0x02 +#define ST_ACCEL_2_DRDY_IRQ_INT2_MASK 0x10 #define ST_ACCEL_2_MULTIREAD_BIT true /* CUSTOM VALUES FOR SENSOR 3 */ @@ -119,7 +121,8 @@ #define ST_ACCEL_3_BDU_ADDR 0x20 #define ST_ACCEL_3_BDU_MASK 0x08 #define ST_ACCEL_3_DRDY_IRQ_ADDR 0x23 -#define ST_ACCEL_3_DRDY_IRQ_MASK 0x80 +#define ST_ACCEL_3_DRDY_IRQ_INT1_MASK 0x80 +#define ST_ACCEL_3_DRDY_IRQ_INT2_MASK 0x00 #define ST_ACCEL_3_IG1_EN_ADDR 0x23 #define ST_ACCEL_3_IG1_EN_MASK 0x08 #define ST_ACCEL_3_MULTIREAD_BIT false @@ -222,7 +225,8 @@ static const struct st_sensors st_accel_sensors[] = { }, .drdy_irq = { .addr = ST_ACCEL_1_DRDY_IRQ_ADDR, - .mask = ST_ACCEL_1_DRDY_IRQ_MASK, + .mask_int1 = ST_ACCEL_1_DRDY_IRQ_INT1_MASK, + .mask_int2 = ST_ACCEL_1_DRDY_IRQ_INT2_MASK, }, .multi_read_bit = ST_ACCEL_1_MULTIREAD_BIT, .bootime = 2, @@ -283,7 +287,8 @@ static const struct st_sensors st_accel_sensors[] = { }, .drdy_irq = { .addr = ST_ACCEL_2_DRDY_IRQ_ADDR, - .mask = ST_ACCEL_2_DRDY_IRQ_MASK, + .mask_int1 = ST_ACCEL_2_DRDY_IRQ_INT1_MASK, + .mask_int2 = ST_ACCEL_2_DRDY_IRQ_INT2_MASK, }, .multi_read_bit = ST_ACCEL_2_MULTIREAD_BIT, .bootime = 2, @@ -356,7 +361,8 @@ static const struct st_sensors st_accel_sensors[] = { }, .drdy_irq = { .addr = ST_ACCEL_3_DRDY_IRQ_ADDR, - .mask = ST_ACCEL_3_DRDY_IRQ_MASK, + .mask_int1 = ST_ACCEL_3_DRDY_IRQ_INT1_MASK, + .mask_int2 = ST_ACCEL_3_DRDY_IRQ_INT2_MASK, .ig1 = { .en_addr = ST_ACCEL_3_IG1_EN_ADDR, .en_mask = ST_ACCEL_3_IG1_EN_MASK, @@ -441,7 +447,8 @@ static const struct iio_trigger_ops st_accel_trigger_ops = { #define ST_ACCEL_TRIGGER_OPS NULL #endif -int st_accel_common_probe(struct iio_dev *indio_dev) +int st_accel_common_probe(struct iio_dev *indio_dev, + struct st_sensors_platform_data *plat_data) { int err; struct st_sensor_data *adata = iio_priv(indio_dev); @@ -463,7 +470,11 @@ int st_accel_common_probe(struct iio_dev *indio_dev) &adata->sensor->fs.fs_avl[0]; adata->odr = adata->sensor->odr.odr_avl[0].hz; - err = st_sensors_init_sensor(indio_dev); + if (!plat_data) + plat_data = + (struct st_sensors_platform_data *)&default_accel_pdata; + + err = st_sensors_init_sensor(indio_dev, plat_data); if (err < 0) goto st_accel_common_probe_error; diff --git a/drivers/iio/accel/st_accel_i2c.c b/drivers/iio/accel/st_accel_i2c.c index ffc9d09..58d164d 100644 --- a/drivers/iio/accel/st_accel_i2c.c +++ b/drivers/iio/accel/st_accel_i2c.c @@ -36,7 +36,7 @@ static int st_accel_i2c_probe(struct i2c_client *client, st_sensors_i2c_configure(indio_dev, client, adata); - err = st_accel_common_probe(indio_dev); + err = st_accel_common_probe(indio_dev, client->dev.platform_data); if (err < 0) goto st_accel_common_probe_error; diff --git a/drivers/iio/accel/st_accel_spi.c b/drivers/iio/accel/st_accel_spi.c index 22b35bf..21ed929 100644 --- a/drivers/iio/accel/st_accel_spi.c +++ b/drivers/iio/accel/st_accel_spi.c @@ -35,7 +35,7 @@ static int st_accel_spi_probe(struct spi_device *spi) st_sensors_spi_configure(indio_dev, spi, adata); - err = st_accel_common_probe(indio_dev); + err = st_accel_common_probe(indio_dev, spi->dev.platform_data); if (err < 0) goto st_accel_common_probe_error; diff --git a/drivers/iio/common/st_sensors/st_sensors_core.c b/drivers/iio/common/st_sensors/st_sensors_core.c index bd33473..5c14819a 100644 --- a/drivers/iio/common/st_sensors/st_sensors_core.c +++ b/drivers/iio/common/st_sensors/st_sensors_core.c @@ -17,7 +17,6 @@ #include <linux/iio/common/st_sensors.h> - #define ST_SENSORS_WAI_ADDRESS 0x0f static int st_sensors_write_data_with_mask(struct iio_dev *indio_dev, @@ -112,7 +111,8 @@ st_sensors_match_odr_error: return ret; } -static int st_sensors_set_fullscale(struct iio_dev *indio_dev, unsigned int fs) +static int st_sensors_set_fullscale(struct iio_dev *indio_dev, + unsigned int fs) { int err, i = 0; struct st_sensor_data *sdata = iio_priv(indio_dev); @@ -192,13 +192,39 @@ int st_sensors_set_axis_enable(struct iio_dev *indio_dev, u8 axis_enable) } EXPORT_SYMBOL(st_sensors_set_axis_enable); -int st_sensors_init_sensor(struct iio_dev *indio_dev) +int st_sensors_init_sensor(struct iio_dev *indio_dev, + struct st_sensors_platform_data *pdata) { int err; struct st_sensor_data *sdata = iio_priv(indio_dev); mutex_init(&sdata->tb.buf_lock); + switch (pdata->drdy_int_pin) { + case 1: + if (sdata->sensor->drdy_irq.mask_int1 == 0) { + dev_err(&indio_dev->dev, + "DRDY on INT1 not available.\n"); + err = -EINVAL; + goto init_error; + } + sdata->drdy_int_pin = 1; + break; + case 2: + if (sdata->sensor->drdy_irq.mask_int2 == 0) { + dev_err(&indio_dev->dev, + "DRDY on INT2 not available.\n"); + err = -EINVAL; + goto init_error; + } + sdata->drdy_int_pin = 2; + break; + default: + dev_err(&indio_dev->dev, "DRDY on pdata not valid.\n"); + err = -EINVAL; + goto init_error; + } + err = st_sensors_set_enable(indio_dev, false); if (err < 0) goto init_error; @@ -227,7 +253,8 @@ EXPORT_SYMBOL(st_sensors_init_sensor); int st_sensors_set_dataready_irq(struct iio_dev *indio_dev, bool enable) { - int err; + int err = 0; + u8 drdy_mask; struct st_sensor_data *sdata = iio_priv(indio_dev); /* Enable/Disable the interrupt generator 1. */ @@ -239,10 +266,14 @@ int st_sensors_set_dataready_irq(struct iio_dev *indio_dev, bool enable) goto st_accel_set_dataready_irq_error; } + if (sdata->drdy_int_pin == 1) + drdy_mask = sdata->sensor->drdy_irq.mask_int1; + else + drdy_mask = sdata->sensor->drdy_irq.mask_int2; + /* Enable/Disable the interrupt generator for data ready. */ err = st_sensors_write_data_with_mask(indio_dev, - sdata->sensor->drdy_irq.addr, - sdata->sensor->drdy_irq.mask, (int)enable); + sdata->sensor->drdy_irq.addr, drdy_mask, (int)enable); st_accel_set_dataready_irq_error: return err; diff --git a/drivers/iio/gyro/st_gyro.h b/drivers/iio/gyro/st_gyro.h index 3ad9907..a76c1cb 100644 --- a/drivers/iio/gyro/st_gyro.h +++ b/drivers/iio/gyro/st_gyro.h @@ -23,7 +23,16 @@ #define L3G4IS_GYRO_DEV_NAME "l3g4is_ui" #define LSM330_GYRO_DEV_NAME "lsm330_gyro" -int st_gyro_common_probe(struct iio_dev *indio_dev); +/** + * struct st_sensors_platform_data - gyro platform data + * @drdy_int_pin: DRDY on gyros is available only on INT2 pin. + */ +static const struct st_sensors_platform_data gyro_pdata = { + .drdy_int_pin = 2, +}; + +int st_gyro_common_probe(struct iio_dev *indio_dev, + struct st_sensors_platform_data *pdata); void st_gyro_common_remove(struct iio_dev *indio_dev); #ifdef CONFIG_IIO_BUFFER diff --git a/drivers/iio/gyro/st_gyro_core.c b/drivers/iio/gyro/st_gyro_core.c index 56e9253..9c16fb0 100644 --- a/drivers/iio/gyro/st_gyro_core.c +++ b/drivers/iio/gyro/st_gyro_core.c @@ -58,7 +58,7 @@ #define ST_GYRO_1_BDU_ADDR 0x23 #define ST_GYRO_1_BDU_MASK 0x80 #define ST_GYRO_1_DRDY_IRQ_ADDR 0x22 -#define ST_GYRO_1_DRDY_IRQ_MASK 0x08 +#define ST_GYRO_1_DRDY_IRQ_INT2_MASK 0x08 #define ST_GYRO_1_MULTIREAD_BIT true /* CUSTOM VALUES FOR SENSOR 2 */ @@ -82,7 +82,7 @@ #define ST_GYRO_2_BDU_ADDR 0x23 #define ST_GYRO_2_BDU_MASK 0x80 #define ST_GYRO_2_DRDY_IRQ_ADDR 0x22 -#define ST_GYRO_2_DRDY_IRQ_MASK 0x08 +#define ST_GYRO_2_DRDY_IRQ_INT2_MASK 0x08 #define ST_GYRO_2_MULTIREAD_BIT true static const struct iio_chan_spec st_gyro_16bit_channels[] = { @@ -156,7 +156,7 @@ static const struct st_sensors st_gyro_sensors[] = { }, .drdy_irq = { .addr = ST_GYRO_1_DRDY_IRQ_ADDR, - .mask = ST_GYRO_1_DRDY_IRQ_MASK, + .mask_int2 = ST_GYRO_1_DRDY_IRQ_INT2_MASK, }, .multi_read_bit = ST_GYRO_1_MULTIREAD_BIT, .bootime = 2, @@ -219,7 +219,7 @@ static const struct st_sensors st_gyro_sensors[] = { }, .drdy_irq = { .addr = ST_GYRO_2_DRDY_IRQ_ADDR, - .mask = ST_GYRO_2_DRDY_IRQ_MASK, + .mask_int2 = ST_GYRO_2_DRDY_IRQ_INT2_MASK, }, .multi_read_bit = ST_GYRO_2_MULTIREAD_BIT, .bootime = 2, @@ -300,7 +300,8 @@ static const struct iio_trigger_ops st_gyro_trigger_ops = { #define ST_GYRO_TRIGGER_OPS NULL #endif -int st_gyro_common_probe(struct iio_dev *indio_dev) +int st_gyro_common_probe(struct iio_dev *indio_dev, + struct st_sensors_platform_data *pdata) { int err; struct st_sensor_data *gdata = iio_priv(indio_dev); @@ -322,7 +323,7 @@ int st_gyro_common_probe(struct iio_dev *indio_dev) &gdata->sensor->fs.fs_avl[0]; gdata->odr = gdata->sensor->odr.odr_avl[0].hz; - err = st_sensors_init_sensor(indio_dev); + err = st_sensors_init_sensor(indio_dev, pdata); if (err < 0) goto st_gyro_common_probe_error; diff --git a/drivers/iio/gyro/st_gyro_i2c.c b/drivers/iio/gyro/st_gyro_i2c.c index 8a31050..2345833 100644 --- a/drivers/iio/gyro/st_gyro_i2c.c +++ b/drivers/iio/gyro/st_gyro_i2c.c @@ -36,7 +36,8 @@ static int st_gyro_i2c_probe(struct i2c_client *client, st_sensors_i2c_configure(indio_dev, client, gdata); - err = st_gyro_common_probe(indio_dev); + err = st_gyro_common_probe(indio_dev, + (struct st_sensors_platform_data *)&gyro_pdata); if (err < 0) goto st_gyro_common_probe_error; diff --git a/drivers/iio/gyro/st_gyro_spi.c b/drivers/iio/gyro/st_gyro_spi.c index f354039..0dcceb5 100644 --- a/drivers/iio/gyro/st_gyro_spi.c +++ b/drivers/iio/gyro/st_gyro_spi.c @@ -35,7 +35,8 @@ static int st_gyro_spi_probe(struct spi_device *spi) st_sensors_spi_configure(indio_dev, spi, gdata); - err = st_gyro_common_probe(indio_dev); + err = st_gyro_common_probe(indio_dev, + (struct st_sensors_platform_data *)&gyro_pdata); if (err < 0) goto st_gyro_common_probe_error; diff --git a/drivers/iio/magnetometer/st_magn.h b/drivers/iio/magnetometer/st_magn.h index 7e81d00..b4940c7 100644 --- a/drivers/iio/magnetometer/st_magn.h +++ b/drivers/iio/magnetometer/st_magn.h @@ -18,7 +18,8 @@ #define LSM303DLM_MAGN_DEV_NAME "lsm303dlm_magn" #define LIS3MDL_MAGN_DEV_NAME "lis3mdl" -int st_magn_common_probe(struct iio_dev *indio_dev); +int st_magn_common_probe(struct iio_dev *indio_dev, + struct st_sensors_platform_data *pdata); void st_magn_common_remove(struct iio_dev *indio_dev); #ifdef CONFIG_IIO_BUFFER diff --git a/drivers/iio/magnetometer/st_magn_core.c b/drivers/iio/magnetometer/st_magn_core.c index 3208ba8..a6ff23d 100644 --- a/drivers/iio/magnetometer/st_magn_core.c +++ b/drivers/iio/magnetometer/st_magn_core.c @@ -343,7 +343,8 @@ static const struct iio_info magn_info = { .write_raw = &st_magn_write_raw, }; -int st_magn_common_probe(struct iio_dev *indio_dev) +int st_magn_common_probe(struct iio_dev *indio_dev, + struct st_sensors_platform_data *pdata) { int err; struct st_sensor_data *mdata = iio_priv(indio_dev); @@ -365,7 +366,7 @@ int st_magn_common_probe(struct iio_dev *indio_dev) &mdata->sensor->fs.fs_avl[0]; mdata->odr = mdata->sensor->odr.odr_avl[0].hz; - err = st_sensors_init_sensor(indio_dev); + err = st_sensors_init_sensor(indio_dev, pdata); if (err < 0) goto st_magn_common_probe_error; diff --git a/drivers/iio/magnetometer/st_magn_i2c.c b/drivers/iio/magnetometer/st_magn_i2c.c index e6adc4a..1bed117 100644 --- a/drivers/iio/magnetometer/st_magn_i2c.c +++ b/drivers/iio/magnetometer/st_magn_i2c.c @@ -36,7 +36,7 @@ static int st_magn_i2c_probe(struct i2c_client *client, st_sensors_i2c_configure(indio_dev, client, mdata); - err = st_magn_common_probe(indio_dev); + err = st_magn_common_probe(indio_dev, NULL); if (err < 0) goto st_magn_common_probe_error; diff --git a/drivers/iio/magnetometer/st_magn_spi.c b/drivers/iio/magnetometer/st_magn_spi.c index 51adb79..a2333a1 100644 --- a/drivers/iio/magnetometer/st_magn_spi.c +++ b/drivers/iio/magnetometer/st_magn_spi.c @@ -35,7 +35,7 @@ static int st_magn_spi_probe(struct spi_device *spi) st_sensors_spi_configure(indio_dev, spi, mdata); - err = st_magn_common_probe(indio_dev); + err = st_magn_common_probe(indio_dev, NULL); if (err < 0) goto st_magn_common_probe_error; diff --git a/drivers/iio/pressure/st_pressure.h b/drivers/iio/pressure/st_pressure.h index d817387..84dd663 100644 --- a/drivers/iio/pressure/st_pressure.h +++ b/drivers/iio/pressure/st_pressure.h @@ -19,7 +19,16 @@ #define ST_PRESS_BYTE_FOR_CHANNEL 3 #define ST_TEMP_BYTE_FOR_CHANNEL 2 -int st_press_common_probe(struct iio_dev *indio_dev); +/** + * struct st_sensors_platform_data - default press platform data + * @drdy_int_pin: default DRDY on press is available on INT1 pin. + */ +static const struct st_sensors_platform_data default_press_pdata = { + .drdy_int_pin = 1, +}; + +int st_press_common_probe(struct iio_dev *indio_dev, + struct st_sensors_platform_data *pdata); void st_press_common_remove(struct iio_dev *indio_dev); #ifdef CONFIG_IIO_BUFFER @@ -36,8 +45,7 @@ static inline int st_press_allocate_ring(struct iio_dev *indio_dev) static inline void st_press_deallocate_ring(struct iio_dev *indio_dev) { } -static int st_press_get_buffer_element(struct iio_dev *indio_dev, - u8 *buf) +static int st_press_get_buffer_element(struct iio_dev *indio_dev, u8 *buf) { return 0; } diff --git a/drivers/iio/pressure/st_pressure_core.c b/drivers/iio/pressure/st_pressure_core.c index ae5703f..08b1d13 100644 --- a/drivers/iio/pressure/st_pressure_core.c +++ b/drivers/iio/pressure/st_pressure_core.c @@ -56,7 +56,8 @@ #define ST_PRESS_1_BDU_ADDR 0x20 #define ST_PRESS_1_BDU_MASK 0x04 #define ST_PRESS_1_DRDY_IRQ_ADDR 0x22 -#define ST_PRESS_1_DRDY_IRQ_MASK 0x04 +#define ST_PRESS_1_DRDY_IRQ_INT1_MASK 0x04 +#define ST_PRESS_1_DRDY_IRQ_INT2_MASK 0x20 #define ST_PRESS_1_MULTIREAD_BIT true #define ST_PRESS_1_TEMP_OFFSET 42500 @@ -114,7 +115,8 @@ static const struct st_sensors st_press_sensors[] = { }, .drdy_irq = { .addr = ST_PRESS_1_DRDY_IRQ_ADDR, - .mask = ST_PRESS_1_DRDY_IRQ_MASK, + .mask_int1 = ST_PRESS_1_DRDY_IRQ_INT1_MASK, + .mask_int2 = ST_PRESS_1_DRDY_IRQ_INT2_MASK, }, .multi_read_bit = ST_PRESS_1_MULTIREAD_BIT, .bootime = 2, @@ -277,7 +279,8 @@ static const struct iio_trigger_ops st_press_trigger_ops = { #define ST_PRESS_TRIGGER_OPS NULL #endif -int st_press_common_probe(struct iio_dev *indio_dev) +int st_press_common_probe(struct iio_dev *indio_dev, + struct st_sensors_platform_data *plat_data) { int err; struct st_sensor_data *pdata = iio_priv(indio_dev); @@ -299,7 +302,11 @@ int st_press_common_probe(struct iio_dev *indio_dev) &pdata->sensor->fs.fs_avl[0]; pdata->odr = pdata->sensor->odr.odr_avl[0].hz; - err = st_sensors_init_sensor(indio_dev); + if (!plat_data) + plat_data = + (struct st_sensors_platform_data *)&default_press_pdata; + + err = st_sensors_init_sensor(indio_dev, plat_data); if (err < 0) goto st_press_common_probe_error; diff --git a/drivers/iio/pressure/st_pressure_i2c.c b/drivers/iio/pressure/st_pressure_i2c.c index 7cebcc7..3065993 100644 --- a/drivers/iio/pressure/st_pressure_i2c.c +++ b/drivers/iio/pressure/st_pressure_i2c.c @@ -36,7 +36,7 @@ static int st_press_i2c_probe(struct i2c_client *client, st_sensors_i2c_configure(indio_dev, client, pdata); - err = st_press_common_probe(indio_dev); + err = st_press_common_probe(indio_dev, client->dev.platform_data); if (err < 0) goto st_press_common_probe_error; diff --git a/drivers/iio/pressure/st_pressure_spi.c b/drivers/iio/pressure/st_pressure_spi.c index 17a1490..b2aded6 100644 --- a/drivers/iio/pressure/st_pressure_spi.c +++ b/drivers/iio/pressure/st_pressure_spi.c @@ -35,7 +35,7 @@ static int st_press_spi_probe(struct spi_device *spi) st_sensors_spi_configure(indio_dev, spi, pdata); - err = st_press_common_probe(indio_dev); + err = st_press_common_probe(indio_dev, spi->dev.platform_data); if (err < 0) goto st_press_common_probe_error; diff --git a/include/linux/iio/common/st_sensors.h b/include/linux/iio/common/st_sensors.h index fd81707..9e8c1e4 100644 --- a/include/linux/iio/common/st_sensors.h +++ b/include/linux/iio/common/st_sensors.h @@ -17,6 +17,8 @@ #include <linux/iio/trigger.h> #include <linux/bitops.h> +#include <linux/platform_data/st_sensors_pdata.h> + #define ST_SENSORS_TX_MAX_LENGTH 2 #define ST_SENSORS_RX_MAX_LENGTH 6 @@ -127,7 +129,8 @@ struct st_sensor_bdu { */ struct st_sensor_data_ready_irq { u8 addr; - u8 mask; + u8 mask_int1; + u8 mask_int2; struct { u8 en_addr; u8 en_mask; @@ -202,6 +205,7 @@ struct st_sensors { * @multiread_bit: Use or not particular bit for [I2C/SPI] multiread. * @buffer_data: Data used by buffer part. * @odr: Output data rate of the sensor [Hz]. + * @drdy_int_pin: Redirect DRDY on pin 1 (1) or pin 2 (2). * @get_irq_data_ready: Function to get the IRQ used for data ready signal. * @get_buffer_element: Function to get data from sensor and push on buffer. * @tf: Transfer function structure used by I/O operations. @@ -220,6 +224,8 @@ struct st_sensor_data { unsigned int odr; + u8 drdy_int_pin; + unsigned int (*get_irq_data_ready) (struct iio_dev *indio_dev); int (*get_buffer_element) (struct iio_dev *indio_dev, u8 *buf); @@ -251,7 +257,8 @@ static inline void st_sensors_deallocate_trigger(struct iio_dev *indio_dev) } #endif -int st_sensors_init_sensor(struct iio_dev *indio_dev); +int st_sensors_init_sensor(struct iio_dev *indio_dev, + struct st_sensors_platform_data *pdata); int st_sensors_set_enable(struct iio_dev *indio_dev, bool enable); diff --git a/include/linux/platform_data/st_sensors_pdata.h b/include/linux/platform_data/st_sensors_pdata.h new file mode 100644 index 0000000..1f6a4ce --- /dev/null +++ b/include/linux/platform_data/st_sensors_pdata.h @@ -0,0 +1,24 @@ +/* + * STMicroelectronics sensors platform-data driver + * + * Copyright 2013 STMicroelectronics Inc. + * + * Denis Ciocca <denis.ciocca@xxxxxx> + * + * Licensed under the GPL-2. + */ + +#ifndef ST_SENSORS_PDATA_H +#define ST_SENSORS_PDATA_H + +/** + * struct st_sensors_platform_data - Platform data for the ST sensors + * @drdy_int_pin: Redirect DRDY on pin 1 (1) or pin 2 (2). + * Available only for accelerometer and pressure sensors. + * Accelerometer DRDY on LSM330 availbale only on pin 1 (see datasheet). + */ +struct st_sensors_platform_data { + u8 drdy_int_pin; +}; + +#endif /* ST_SENSORS_PDATA_H */ -- 1.7.9.5 -- 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