diff options
Diffstat (limited to 'include/linux/iio/imu/adis.h')
-rw-r--r-- | include/linux/iio/imu/adis.h | 81 |
1 files changed, 77 insertions, 4 deletions
diff --git a/include/linux/iio/imu/adis.h b/include/linux/iio/imu/adis.h index fce7bc3..6402a08 100644 --- a/include/linux/iio/imu/adis.h +++ b/include/linux/iio/imu/adis.h @@ -53,7 +53,7 @@ struct adis { struct spi_transfer *xfer; void *buffer; - uint8_t tx[8] ____cacheline_aligned; + uint8_t tx[10] ____cacheline_aligned; uint8_t rx[4]; }; @@ -61,9 +61,82 @@ int adis_init(struct adis *adis, struct iio_dev *indio_dev, struct spi_device *spi, const struct adis_data *data); int adis_reset(struct adis *adis); -int adis_write_reg_8(struct adis *adis, unsigned int reg, uint8_t val); -int adis_write_reg_16(struct adis *adis, unsigned int reg, uint16_t val); -int adis_read_reg_16(struct adis *adis, unsigned int reg, uint16_t *val); +int adis_write_reg(struct adis *adis, unsigned int reg, + unsigned int val, unsigned int size); +int adis_read_reg(struct adis *adis, unsigned int reg, + unsigned int *val, unsigned int size); + +/** + * adis_write_reg_8() - Write single byte to a register + * @adis: The adis device + * @reg: The address of the register to be written + * @value: The value to write + */ +static inline int adis_write_reg_8(struct adis *adis, unsigned int reg, + uint8_t val) +{ + return adis_write_reg(adis, reg, val, 1); +} + +/** + * adis_write_reg_16() - Write 2 bytes to a pair of registers + * @adis: The adis device + * @reg: The address of the lower of the two registers + * @value: Value to be written + */ +static inline int adis_write_reg_16(struct adis *adis, unsigned int reg, + uint16_t val) +{ + return adis_write_reg(adis, reg, val, 2); +} + +/** + * adis_write_reg_32() - write 4 bytes to four registers + * @adis: The adis device + * @reg: The address of the lower of the four register + * @value: Value to be written + */ +static inline int adis_write_reg_32(struct adis *adis, unsigned int reg, + uint32_t val) +{ + return adis_write_reg(adis, reg, val, 4); +} + +/** + * adis_read_reg_16() - read 2 bytes from a 16-bit register + * @adis: The adis device + * @reg: The address of the lower of the two registers + * @val: The value read back from the device + */ +static inline int adis_read_reg_16(struct adis *adis, unsigned int reg, + uint16_t *val) +{ + unsigned int tmp; + int ret; + + ret = adis_read_reg(adis, reg, &tmp, 2); + *val = tmp; + + return ret; +} + +/** + * adis_read_reg_32() - read 4 bytes from a 32-bit register + * @adis: The adis device + * @reg: The address of the lower of the two registers + * @val: The value read back from the device + */ +static inline int adis_read_reg_32(struct adis *adis, unsigned int reg, + uint32_t *val) +{ + unsigned int tmp; + int ret; + + ret = adis_read_reg(adis, reg, &tmp, 4); + *val = tmp; + + return ret; +} int adis_enable_irq(struct adis *adis, bool enable); int adis_check_status(struct adis *adis); |