/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2022 ROHM Semiconductors * * ROHM/KIONIX KX022A accelerometer driver */ #ifndef _KX022A_H_ #define _KX022A_H_ #include #include #define KX022A_REG_WHO 0x0f #define KX022A_ID 0xc8 #define KX132ACR_LBZ_ID 0xd8 #define KX022A_REG_CNTL2 0x19 #define KX022A_MASK_SRST BIT(7) #define KX022A_REG_CNTL 0x18 #define KX022A_MASK_PC1 BIT(7) #define KX022A_MASK_RES BIT(6) #define KX022A_MASK_DRDY BIT(5) #define KX022A_MASK_GSEL GENMASK(4, 3) #define KX022A_GSEL_SHIFT 3 #define KX022A_GSEL_2 0x0 #define KX022A_GSEL_4 BIT(3) #define KX022A_GSEL_8 BIT(4) #define KX022A_GSEL_16 GENMASK(4, 3) #define KX022A_REG_INS2 0x13 #define KX022A_MASK_INS2_DRDY BIT(4) #define KX122_MASK_INS2_WMI BIT(5) #define KX022A_REG_XHP_L 0x0 #define KX022A_REG_XOUT_L 0x06 #define KX022A_REG_YOUT_L 0x08 #define KX022A_REG_ZOUT_L 0x0a #define KX022A_REG_COTR 0x0c #define KX022A_REG_TSCP 0x10 #define KX022A_REG_INT_REL 0x17 #define KX022A_REG_ODCNTL 0x1b #define KX022A_REG_BTS_WUF_TH 0x31 #define KX022A_REG_MAN_WAKE 0x2c #define KX022A_REG_BUF_CNTL1 0x3a #define KX022A_MASK_WM_TH GENMASK(6, 0) #define KX022A_REG_BUF_CNTL2 0x3b #define KX022A_MASK_BUF_EN BIT(7) #define KX022A_MASK_BRES16 BIT(6) #define KX022A_REG_BUF_STATUS_1 0x3c #define KX022A_REG_BUF_STATUS_2 0x3d #define KX022A_REG_BUF_CLEAR 0x3e #define KX022A_REG_BUF_READ 0x3f #define KX022A_MASK_ODR GENMASK(3, 0) #define KX022A_ODR_SHIFT 3 #define KX022A_FIFO_MAX_WMI_TH 41 #define KX022A_REG_INC1 0x1c #define KX022A_REG_INC5 0x20 #define KX022A_REG_INC6 0x21 #define KX022A_MASK_IEN BIT(5) #define KX022A_MASK_IPOL BIT(4) #define KX022A_IPOL_LOW 0 #define KX022A_IPOL_HIGH KX022A_MASK_IPOL1 #define KX022A_MASK_ITYP BIT(3) #define KX022A_ITYP_PULSE KX022A_MASK_ITYP #define KX022A_ITYP_LEVEL 0 #define KX022A_REG_INC4 0x1f #define KX022A_MASK_WMI BIT(5) #define KX022A_REG_SELF_TEST 0x60 #define KX022A_MAX_REGISTER 0x60 #define KX132_REG_WHO 0x13 #define KX132_ID 0x3d #define KX132_FIFO_LENGTH 86 #define KX132_REG_CNTL 0x1b #define KX132_REG_CNTL2 0x1c #define KX132_REG_CNTL5 0x1f #define KX132_MASK_RES BIT(6) #define KX132_GSEL_2 0x0 #define KX132_GSEL_4 BIT(3) #define KX132_GSEL_8 BIT(4) #define KX132_GSEL_16 GENMASK(4, 3) #define KX132_REG_INS2 0x17 #define KX132_MASK_INS2_WMI BIT(5) #define KX132_REG_XADP_L 0x02 #define KX132_REG_XOUT_L 0x08 #define KX132_REG_YOUT_L 0x0a #define KX132_REG_ZOUT_L 0x0c #define KX132_REG_COTR 0x12 #define KX132_REG_TSCP 0x14 #define KX132_REG_INT_REL 0x1a #define KX132_REG_ODCNTL 0x21 #define KX132_REG_BTS_WUF_TH 0x4a #define KX132_REG_BUF_CNTL1 0x5e #define KX132_REG_BUF_CNTL2 0x5f #define KX132_REG_BUF_STATUS_1 0x60 #define KX132_REG_BUF_STATUS_2 0x61 #define KX132_MASK_BUF_SMP_LVL GENMASK(9, 0) #define KX132_REG_BUF_CLEAR 0x62 #define KX132_REG_BUF_READ 0x63 #define KX132_ODR_SHIFT 3 #define KX132_FIFO_MAX_WMI_TH 86 #define KX132_REG_INC1 0x22 #define KX132_REG_INC5 0x26 #define KX132_REG_INC6 0x27 #define KX132_IPOL_LOW 0 #define KX132_IPOL_HIGH KX022A_MASK_IPOL #define KX132_ITYP_PULSE KX022A_MASK_ITYP #define KX132_REG_INC4 0x25 #define KX132_REG_SELF_TEST 0x5d #define KX132_MAX_REGISTER 0x76 struct device; struct kx022a_data; /** * struct kx022a_chip_info - Kionix accelerometer chip specific information * * @name: name of the device * @regmap_config: pointer to register map configuration * @channels: pointer to iio_chan_spec array * @num_channels: number of iio_chan_spec channels * @fifo_length: number of 16-bit samples in a full buffer * @buf_smp_lvl_mask: buffer sample level mask * @who: WHO_AM_I register * @id: WHO_AM_I register value * @cntl: control register 1 * @cntl2: control register 2 * @odcntl: output data control register * @buf_cntl1: buffer control register 1 * @buf_cntl2: buffer control register 2 * @buf_clear: buffer clear register * @buf_status1: buffer status register 1 * @buf_read: buffer read register * @inc1: interrupt control register 1 * @inc4: interrupt control register 4 * @inc5: interrupt control register 5 * @inc6: interrupt control register 6 * @xout_l: x-axis output least significant byte * @get_fifo_bytes_available: function pointer to get amount of acceleration * data bytes currently stored in the sensor's FIFO * buffer */ struct kx022a_chip_info { const char *name; const struct regmap_config *regmap_config; const struct iio_chan_spec *channels; unsigned int num_channels; unsigned int fifo_length; u16 buf_smp_lvl_mask; u8 who; u8 id; u8 cntl; u8 cntl2; u8 odcntl; u8 buf_cntl1; u8 buf_cntl2; u8 buf_clear; u8 buf_status1; u8 buf_read; u8 inc1; u8 inc4; u8 inc5; u8 inc6; u8 xout_l; int (*get_fifo_bytes_available)(struct kx022a_data *); }; int kx022a_probe_internal(struct device *dev, const struct kx022a_chip_info *chip_info); extern const struct kx022a_chip_info kx022a_chip_info; extern const struct kx022a_chip_info kx132_chip_info; extern const struct kx022a_chip_info kx132acr_chip_info; #endif