iio: st_magn: Add irq trigger handling
[firefly-linux-kernel-4.4.55.git] / drivers / iio / magnetometer / st_magn_core.c
index 2e56f812a644d67a73f0e9bdccd0992c39777a25..4c0cef865517b16344221055ce2e9ee8e9f06e8e 100644 (file)
 #define ST_MAGN_FS_AVL_12000MG                 12000
 #define ST_MAGN_FS_AVL_16000MG                 16000
 
+/* CUSTOM VALUES FOR SENSOR 0 */
+#define ST_MAGN_0_ODR_ADDR                     0x00
+#define ST_MAGN_0_ODR_MASK                     0x1c
+#define ST_MAGN_0_ODR_AVL_1HZ_VAL              0x00
+#define ST_MAGN_0_ODR_AVL_2HZ_VAL              0x01
+#define ST_MAGN_0_ODR_AVL_3HZ_VAL              0x02
+#define ST_MAGN_0_ODR_AVL_8HZ_VAL              0x03
+#define ST_MAGN_0_ODR_AVL_15HZ_VAL             0x04
+#define ST_MAGN_0_ODR_AVL_30HZ_VAL             0x05
+#define ST_MAGN_0_ODR_AVL_75HZ_VAL             0x06
+#define ST_MAGN_0_ODR_AVL_220HZ_VAL            0x07
+#define ST_MAGN_0_PW_ADDR                      0x02
+#define ST_MAGN_0_PW_MASK                      0x03
+#define ST_MAGN_0_PW_ON                                0x00
+#define ST_MAGN_0_PW_OFF                       0x03
+#define ST_MAGN_0_FS_ADDR                      0x01
+#define ST_MAGN_0_FS_MASK                      0xe0
+#define ST_MAGN_0_FS_AVL_1300_VAL              0x01
+#define ST_MAGN_0_FS_AVL_1900_VAL              0x02
+#define ST_MAGN_0_FS_AVL_2500_VAL              0x03
+#define ST_MAGN_0_FS_AVL_4000_VAL              0x04
+#define ST_MAGN_0_FS_AVL_4700_VAL              0x05
+#define ST_MAGN_0_FS_AVL_5600_VAL              0x06
+#define ST_MAGN_0_FS_AVL_8100_VAL              0x07
+#define ST_MAGN_0_FS_AVL_1300_GAIN_XY          1100
+#define ST_MAGN_0_FS_AVL_1900_GAIN_XY          855
+#define ST_MAGN_0_FS_AVL_2500_GAIN_XY          670
+#define ST_MAGN_0_FS_AVL_4000_GAIN_XY          450
+#define ST_MAGN_0_FS_AVL_4700_GAIN_XY          400
+#define ST_MAGN_0_FS_AVL_5600_GAIN_XY          330
+#define ST_MAGN_0_FS_AVL_8100_GAIN_XY          230
+#define ST_MAGN_0_FS_AVL_1300_GAIN_Z           980
+#define ST_MAGN_0_FS_AVL_1900_GAIN_Z           760
+#define ST_MAGN_0_FS_AVL_2500_GAIN_Z           600
+#define ST_MAGN_0_FS_AVL_4000_GAIN_Z           400
+#define ST_MAGN_0_FS_AVL_4700_GAIN_Z           355
+#define ST_MAGN_0_FS_AVL_5600_GAIN_Z           295
+#define ST_MAGN_0_FS_AVL_8100_GAIN_Z           205
+#define ST_MAGN_0_MULTIREAD_BIT                        false
+
 /* CUSTOM VALUES FOR SENSOR 1 */
 #define ST_MAGN_1_WAI_EXP                      0x3c
 #define ST_MAGN_1_ODR_ADDR                     0x00
@@ -150,8 +190,86 @@ static const struct iio_chan_spec st_magn_2_16bit_channels[] = {
 };
 
 static const struct st_sensor_settings st_magn_sensors_settings[] = {
+       {
+               .wai = 0, /* This sensor has no valid WhoAmI report 0 */
+               .wai_addr = ST_SENSORS_DEFAULT_WAI_ADDRESS,
+               .sensors_supported = {
+                       [0] = LSM303DLH_MAGN_DEV_NAME,
+               },
+               .ch = (struct iio_chan_spec *)st_magn_16bit_channels,
+               .odr = {
+                       .addr = ST_MAGN_0_ODR_ADDR,
+                       .mask = ST_MAGN_0_ODR_MASK,
+                       .odr_avl = {
+                               { 1, ST_MAGN_0_ODR_AVL_1HZ_VAL, },
+                               { 2, ST_MAGN_0_ODR_AVL_2HZ_VAL, },
+                               { 3, ST_MAGN_0_ODR_AVL_3HZ_VAL, },
+                               { 8, ST_MAGN_0_ODR_AVL_8HZ_VAL, },
+                               { 15, ST_MAGN_0_ODR_AVL_15HZ_VAL, },
+                               { 30, ST_MAGN_0_ODR_AVL_30HZ_VAL, },
+                               { 75, ST_MAGN_0_ODR_AVL_75HZ_VAL, },
+                       },
+               },
+               .pw = {
+                       .addr = ST_MAGN_0_PW_ADDR,
+                       .mask = ST_MAGN_0_PW_MASK,
+                       .value_on = ST_MAGN_0_PW_ON,
+                       .value_off = ST_MAGN_0_PW_OFF,
+               },
+               .fs = {
+                       .addr = ST_MAGN_0_FS_ADDR,
+                       .mask = ST_MAGN_0_FS_MASK,
+                       .fs_avl = {
+                               [0] = {
+                                       .num = ST_MAGN_FS_AVL_1300MG,
+                                       .value = ST_MAGN_0_FS_AVL_1300_VAL,
+                                       .gain = ST_MAGN_0_FS_AVL_1300_GAIN_XY,
+                                       .gain2 = ST_MAGN_0_FS_AVL_1300_GAIN_Z,
+                               },
+                               [1] = {
+                                       .num = ST_MAGN_FS_AVL_1900MG,
+                                       .value = ST_MAGN_0_FS_AVL_1900_VAL,
+                                       .gain = ST_MAGN_0_FS_AVL_1900_GAIN_XY,
+                                       .gain2 = ST_MAGN_0_FS_AVL_1900_GAIN_Z,
+                               },
+                               [2] = {
+                                       .num = ST_MAGN_FS_AVL_2500MG,
+                                       .value = ST_MAGN_0_FS_AVL_2500_VAL,
+                                       .gain = ST_MAGN_0_FS_AVL_2500_GAIN_XY,
+                                       .gain2 = ST_MAGN_0_FS_AVL_2500_GAIN_Z,
+                               },
+                               [3] = {
+                                       .num = ST_MAGN_FS_AVL_4000MG,
+                                       .value = ST_MAGN_0_FS_AVL_4000_VAL,
+                                       .gain = ST_MAGN_0_FS_AVL_4000_GAIN_XY,
+                                       .gain2 = ST_MAGN_0_FS_AVL_4000_GAIN_Z,
+                               },
+                               [4] = {
+                                       .num = ST_MAGN_FS_AVL_4700MG,
+                                       .value = ST_MAGN_0_FS_AVL_4700_VAL,
+                                       .gain = ST_MAGN_0_FS_AVL_4700_GAIN_XY,
+                                       .gain2 = ST_MAGN_0_FS_AVL_4700_GAIN_Z,
+                               },
+                               [5] = {
+                                       .num = ST_MAGN_FS_AVL_5600MG,
+                                       .value = ST_MAGN_0_FS_AVL_5600_VAL,
+                                       .gain = ST_MAGN_0_FS_AVL_5600_GAIN_XY,
+                                       .gain2 = ST_MAGN_0_FS_AVL_5600_GAIN_Z,
+                               },
+                               [6] = {
+                                       .num = ST_MAGN_FS_AVL_8100MG,
+                                       .value = ST_MAGN_0_FS_AVL_8100_VAL,
+                                       .gain = ST_MAGN_0_FS_AVL_8100_GAIN_XY,
+                                       .gain2 = ST_MAGN_0_FS_AVL_8100_GAIN_Z,
+                               },
+                       },
+               },
+               .multi_read_bit = ST_MAGN_0_MULTIREAD_BIT,
+               .bootime = 2,
+       },
        {
                .wai = ST_MAGN_1_WAI_EXP,
+               .wai_addr = ST_SENSORS_DEFAULT_WAI_ADDRESS,
                .sensors_supported = {
                        [0] = LSM303DLHC_MAGN_DEV_NAME,
                        [1] = LSM303DLM_MAGN_DEV_NAME,
@@ -230,6 +348,7 @@ static const struct st_sensor_settings st_magn_sensors_settings[] = {
        },
        {
                .wai = ST_MAGN_2_WAI_EXP,
+               .wai_addr = ST_SENSORS_DEFAULT_WAI_ADDRESS,
                .sensors_supported = {
                        [0] = LIS3MDL_MAGN_DEV_NAME,
                },
@@ -361,6 +480,16 @@ static const struct iio_info magn_info = {
        .write_raw = &st_magn_write_raw,
 };
 
+#ifdef CONFIG_IIO_TRIGGER
+static const struct iio_trigger_ops st_magn_trigger_ops = {
+       .owner = THIS_MODULE,
+       .set_trigger_state = ST_MAGN_TRIGGER_SET_STATE,
+};
+#define ST_MAGN_TRIGGER_OPS (&st_magn_trigger_ops)
+#else
+#define ST_MAGN_TRIGGER_OPS NULL
+#endif
+
 int st_magn_common_probe(struct iio_dev *indio_dev)
 {
        struct st_sensor_data *mdata = iio_priv(indio_dev);
@@ -397,7 +526,8 @@ int st_magn_common_probe(struct iio_dev *indio_dev)
                return err;
 
        if (irq > 0) {
-               err = st_sensors_allocate_trigger(indio_dev, NULL);
+               err = st_sensors_allocate_trigger(indio_dev,
+                                               ST_MAGN_TRIGGER_OPS);
                if (err < 0)
                        goto st_magn_probe_trigger_error;
        }