diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/iio/imu/adis.h | 28 |
1 files changed, 21 insertions, 7 deletions
diff --git a/include/linux/iio/imu/adis.h b/include/linux/iio/imu/adis.h index 4bb98d9731de..89cfa75ae9ea 100644 --- a/include/linux/iio/imu/adis.h +++ b/include/linux/iio/imu/adis.h @@ -95,12 +95,25 @@ struct adis_data { }; /** + * struct adis_ops: Custom ops for adis devices. + * @write: Custom spi write implementation. + * @read: Custom spi read implementation. + */ +struct adis_ops { + int (*write)(struct adis *adis, unsigned int reg, unsigned int value, + unsigned int size); + int (*read)(struct adis *adis, unsigned int reg, unsigned int *value, + unsigned int size); +}; + +/** * struct adis - ADIS device instance data * @spi: Reference to SPI device which owns this ADIS IIO device * @trig: IIO trigger object data * @data: ADIS chip variant specific data * @burst_extra_len: Burst extra length. Should only be used by devices that can * dynamically change their burst mode length. + * @ops: ops struct for custom read and write functions * @state_lock: Lock used by the device to protect state * @msg: SPI message object * @xfer: SPI transfer objects to be used for a @msg @@ -116,6 +129,7 @@ struct adis { const struct adis_data *data; unsigned int burst_extra_len; + const struct adis_ops *ops; /** * The state_lock is meant to be used during operations that require * a sequence of SPI R/W in order to protect the SPI transfer @@ -168,7 +182,7 @@ int __adis_read_reg(struct adis *adis, unsigned int reg, static inline int __adis_write_reg_8(struct adis *adis, unsigned int reg, u8 val) { - return __adis_write_reg(adis, reg, val, 1); + return adis->ops->write(adis, reg, val, 1); } /** @@ -180,7 +194,7 @@ static inline int __adis_write_reg_8(struct adis *adis, unsigned int reg, static inline int __adis_write_reg_16(struct adis *adis, unsigned int reg, u16 val) { - return __adis_write_reg(adis, reg, val, 2); + return adis->ops->write(adis, reg, val, 2); } /** @@ -192,7 +206,7 @@ static inline int __adis_write_reg_16(struct adis *adis, unsigned int reg, static inline int __adis_write_reg_32(struct adis *adis, unsigned int reg, u32 val) { - return __adis_write_reg(adis, reg, val, 4); + return adis->ops->write(adis, reg, val, 4); } /** @@ -207,7 +221,7 @@ static inline int __adis_read_reg_16(struct adis *adis, unsigned int reg, unsigned int tmp; int ret; - ret = __adis_read_reg(adis, reg, &tmp, 2); + ret = adis->ops->read(adis, reg, &tmp, 2); if (ret == 0) *val = tmp; @@ -226,7 +240,7 @@ static inline int __adis_read_reg_32(struct adis *adis, unsigned int reg, unsigned int tmp; int ret; - ret = __adis_read_reg(adis, reg, &tmp, 4); + ret = adis->ops->read(adis, reg, &tmp, 4); if (ret == 0) *val = tmp; @@ -244,7 +258,7 @@ static inline int adis_write_reg(struct adis *adis, unsigned int reg, unsigned int val, unsigned int size) { guard(mutex)(&adis->state_lock); - return __adis_write_reg(adis, reg, val, size); + return adis->ops->write(adis, reg, val, size); } /** @@ -258,7 +272,7 @@ static int adis_read_reg(struct adis *adis, unsigned int reg, unsigned int *val, unsigned int size) { guard(mutex)(&adis->state_lock); - return __adis_read_reg(adis, reg, val, size); + return adis->ops->read(adis, reg, val, size); } /** |