diff options
Diffstat (limited to 'drivers/staging/iio/imu/adis.h')
| -rw-r--r-- | drivers/staging/iio/imu/adis.h | 186 |
1 files changed, 0 insertions, 186 deletions
diff --git a/drivers/staging/iio/imu/adis.h b/drivers/staging/iio/imu/adis.h deleted file mode 100644 index 8c3304d..0000000 --- a/drivers/staging/iio/imu/adis.h +++ /dev/null @@ -1,186 +0,0 @@ -/* - * Common library for ADIS16XXX devices - * - * Copyright 2012 Analog Devices Inc. - * Author: Lars-Peter Clausen <lars@metafoo.de> - * - * Licensed under the GPL-2 or later. - */ - -#ifndef __IIO_ADIS_H__ -#define __IIO_ADIS_H__ - -#include <linux/spi/spi.h> -#include <linux/interrupt.h> -#include <linux/iio/types.h> - -#define ADIS_WRITE_REG(reg) (0x80 | (reg)) -#define ADIS_READ_REG(reg) (reg) - -/** - * struct adis_data - ADIS chip variant specific data - * @read_delay: SPI delay for read operations in us - * @write_delay: SPI delay for write operations in us - * @glob_cmd_reg: Register address of the GLOB_CMD register - * @msc_ctrl_reg: Register address of the MSC_CTRL register - * @diag_stat_reg: Register address of the DIAG_STAT register - * @status_error_msgs: Array of error messgaes - * @status_error_mask: - */ -struct adis_data { - unsigned int read_delay; - unsigned int write_delay; - - unsigned int glob_cmd_reg; - unsigned int msc_ctrl_reg; - unsigned int diag_stat_reg; - - unsigned int self_test_mask; - unsigned int startup_delay; - - const char * const *status_error_msgs; - unsigned int status_error_mask; -}; - -struct adis { - struct spi_device *spi; - struct iio_trigger *trig; - - const struct adis_data *data; - - struct mutex txrx_lock; - struct spi_message msg; - struct spi_transfer *xfer; - void *buffer; - - uint8_t tx[8] ____cacheline_aligned; - uint8_t rx[4]; -}; - -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_enable_irq(struct adis *adis, bool enable); -int adis_check_status(struct adis *adis); - -int adis_initial_startup(struct adis *adis); - -int adis_single_conversion(struct iio_dev *indio_dev, - const struct iio_chan_spec *chan, unsigned int error_mask, - int *val); - -#define ADIS_VOLTAGE_CHAN(addr, si, chan, name, bits) { \ - .type = IIO_VOLTAGE, \ - .indexed = 1, \ - .channel = (chan), \ - .extend_name = name, \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, \ - .address = (addr), \ - .scan_index = (si), \ - .scan_type = { \ - .sign = 'u', \ - .realbits = (bits), \ - .storagebits = 16, \ - .endianness = IIO_BE, \ - }, \ -} - -#define ADIS_SUPPLY_CHAN(addr, si, bits) \ - ADIS_VOLTAGE_CHAN(addr, si, 0, "supply", bits) - -#define ADIS_AUX_ADC_CHAN(addr, si, bits) \ - ADIS_VOLTAGE_CHAN(addr, si, 1, NULL, bits) - -#define ADIS_TEMP_CHAN(addr, si, bits) { \ - .type = IIO_TEMP, \ - .indexed = 1, \ - .channel = 0, \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ - IIO_CHAN_INFO_SCALE_SEPARATE_BIT | \ - IIO_CHAN_INFO_OFFSET_SEPARATE_BIT, \ - .address = (addr), \ - .scan_index = (si), \ - .scan_type = { \ - .sign = 'u', \ - .realbits = (bits), \ - .storagebits = 16, \ - .endianness = IIO_BE, \ - }, \ -} - -#define ADIS_MOD_CHAN(_type, mod, addr, si, info, bits) { \ - .type = (_type), \ - .modified = 1, \ - .channel2 = IIO_MOD_ ## mod, \ - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \ - IIO_CHAN_INFO_SCALE_SHARED_BIT | \ - info, \ - .address = (addr), \ - .scan_index = (si), \ - .scan_type = { \ - .sign = 's', \ - .realbits = (bits), \ - .storagebits = 16, \ - .endianness = IIO_BE, \ - }, \ -} - -#define ADIS_ACCEL_CHAN(mod, addr, si, info, bits) \ - ADIS_MOD_CHAN(IIO_ACCEL, mod, addr, si, info, bits) - -#define ADIS_GYRO_CHAN(mod, addr, si, info, bits) \ - ADIS_MOD_CHAN(IIO_ANGL_VEL, mod, addr, si, info, bits) - -#define ADIS_INCLI_CHAN(mod, addr, si, info, bits) \ - ADIS_MOD_CHAN(IIO_INCLI, mod, addr, si, info, bits) - -#define ADIS_ROT_CHAN(mod, addr, si, info, bits) \ - ADIS_MOD_CHAN(IIO_ROT, mod, addr, si, info, bits) - -#ifdef CONFIG_IIO_ADIS_LIB_BUFFER - -int adis_setup_buffer_and_trigger(struct adis *adis, - struct iio_dev *indio_dev, irqreturn_t (*trigger_handler)(int, void *)); -void adis_cleanup_buffer_and_trigger(struct adis *adis, - struct iio_dev *indio_dev); - -int adis_probe_trigger(struct adis *adis, struct iio_dev *indio_dev); -void adis_remove_trigger(struct adis *adis); - -int adis_update_scan_mode(struct iio_dev *indio_dev, - const unsigned long *scan_mask); - -#else /* CONFIG_IIO_BUFFER */ - -static inline int adis_setup_buffer_and_trigger(struct adis *adis, - struct iio_dev *indio_dev, irqreturn_t (*trigger_handler)(int, void *)) -{ - return 0; -} - -static inline void adis_cleanup_buffer_and_trigger(struct adis *adis, - struct iio_dev *indio_dev) -{ -} - -static inline int adis_probe_trigger(struct adis *adis, - struct iio_dev *indio_dev) -{ - return 0; -} - -static inline void adis_remove_trigger(struct adis *adis) -{ -} - -#define adis_update_scan_mode NULL - -#endif /* CONFIG_IIO_BUFFER */ - -#endif |
