xref: /linux/drivers/iio/imu/inv_icm42600/inv_icm42600.h (revision a1ff5a7d78a036d6c2178ee5acd6ba4946243800)
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * Copyright (C) 2020 Invensense, Inc.
4  */
5 
6 #ifndef INV_ICM42600_H_
7 #define INV_ICM42600_H_
8 
9 #include <linux/bits.h>
10 #include <linux/bitfield.h>
11 #include <linux/regmap.h>
12 #include <linux/mutex.h>
13 #include <linux/regulator/consumer.h>
14 #include <linux/pm.h>
15 #include <linux/iio/iio.h>
16 #include <linux/iio/common/inv_sensors_timestamp.h>
17 
18 #include "inv_icm42600_buffer.h"
19 
20 enum inv_icm42600_chip {
21 	INV_CHIP_INVALID,
22 	INV_CHIP_ICM42600,
23 	INV_CHIP_ICM42602,
24 	INV_CHIP_ICM42605,
25 	INV_CHIP_ICM42686,
26 	INV_CHIP_ICM42622,
27 	INV_CHIP_ICM42688,
28 	INV_CHIP_ICM42631,
29 	INV_CHIP_NB,
30 };
31 
32 /* serial bus slew rates */
33 enum inv_icm42600_slew_rate {
34 	INV_ICM42600_SLEW_RATE_20_60NS,
35 	INV_ICM42600_SLEW_RATE_12_36NS,
36 	INV_ICM42600_SLEW_RATE_6_18NS,
37 	INV_ICM42600_SLEW_RATE_4_12NS,
38 	INV_ICM42600_SLEW_RATE_2_6NS,
39 	INV_ICM42600_SLEW_RATE_INF_2NS,
40 };
41 
42 enum inv_icm42600_sensor_mode {
43 	INV_ICM42600_SENSOR_MODE_OFF,
44 	INV_ICM42600_SENSOR_MODE_STANDBY,
45 	INV_ICM42600_SENSOR_MODE_LOW_POWER,
46 	INV_ICM42600_SENSOR_MODE_LOW_NOISE,
47 	INV_ICM42600_SENSOR_MODE_NB,
48 };
49 
50 /* gyroscope fullscale values */
51 enum inv_icm42600_gyro_fs {
52 	INV_ICM42600_GYRO_FS_2000DPS,
53 	INV_ICM42600_GYRO_FS_1000DPS,
54 	INV_ICM42600_GYRO_FS_500DPS,
55 	INV_ICM42600_GYRO_FS_250DPS,
56 	INV_ICM42600_GYRO_FS_125DPS,
57 	INV_ICM42600_GYRO_FS_62_5DPS,
58 	INV_ICM42600_GYRO_FS_31_25DPS,
59 	INV_ICM42600_GYRO_FS_15_625DPS,
60 	INV_ICM42600_GYRO_FS_NB,
61 };
62 enum inv_icm42686_gyro_fs {
63 	INV_ICM42686_GYRO_FS_4000DPS,
64 	INV_ICM42686_GYRO_FS_2000DPS,
65 	INV_ICM42686_GYRO_FS_1000DPS,
66 	INV_ICM42686_GYRO_FS_500DPS,
67 	INV_ICM42686_GYRO_FS_250DPS,
68 	INV_ICM42686_GYRO_FS_125DPS,
69 	INV_ICM42686_GYRO_FS_62_5DPS,
70 	INV_ICM42686_GYRO_FS_31_25DPS,
71 	INV_ICM42686_GYRO_FS_NB,
72 };
73 
74 /* accelerometer fullscale values */
75 enum inv_icm42600_accel_fs {
76 	INV_ICM42600_ACCEL_FS_16G,
77 	INV_ICM42600_ACCEL_FS_8G,
78 	INV_ICM42600_ACCEL_FS_4G,
79 	INV_ICM42600_ACCEL_FS_2G,
80 	INV_ICM42600_ACCEL_FS_NB,
81 };
82 enum inv_icm42686_accel_fs {
83 	INV_ICM42686_ACCEL_FS_32G,
84 	INV_ICM42686_ACCEL_FS_16G,
85 	INV_ICM42686_ACCEL_FS_8G,
86 	INV_ICM42686_ACCEL_FS_4G,
87 	INV_ICM42686_ACCEL_FS_2G,
88 	INV_ICM42686_ACCEL_FS_NB,
89 };
90 
91 /* ODR suffixed by LN or LP are Low-Noise or Low-Power mode only */
92 enum inv_icm42600_odr {
93 	INV_ICM42600_ODR_8KHZ_LN = 3,
94 	INV_ICM42600_ODR_4KHZ_LN,
95 	INV_ICM42600_ODR_2KHZ_LN,
96 	INV_ICM42600_ODR_1KHZ_LN,
97 	INV_ICM42600_ODR_200HZ,
98 	INV_ICM42600_ODR_100HZ,
99 	INV_ICM42600_ODR_50HZ,
100 	INV_ICM42600_ODR_25HZ,
101 	INV_ICM42600_ODR_12_5HZ,
102 	INV_ICM42600_ODR_6_25HZ_LP,
103 	INV_ICM42600_ODR_3_125HZ_LP,
104 	INV_ICM42600_ODR_1_5625HZ_LP,
105 	INV_ICM42600_ODR_500HZ,
106 	INV_ICM42600_ODR_NB,
107 };
108 
109 enum inv_icm42600_filter {
110 	/* Low-Noise mode sensor data filter (3rd order filter by default) */
111 	INV_ICM42600_FILTER_BW_ODR_DIV_2,
112 
113 	/* Low-Power mode sensor data filter (averaging) */
114 	INV_ICM42600_FILTER_AVG_1X = 1,
115 	INV_ICM42600_FILTER_AVG_16X = 6,
116 };
117 
118 struct inv_icm42600_sensor_conf {
119 	int mode;
120 	int fs;
121 	int odr;
122 	int filter;
123 };
124 #define INV_ICM42600_SENSOR_CONF_INIT		{-1, -1, -1, -1}
125 
126 struct inv_icm42600_conf {
127 	struct inv_icm42600_sensor_conf gyro;
128 	struct inv_icm42600_sensor_conf accel;
129 	bool temp_en;
130 };
131 
132 struct inv_icm42600_suspended {
133 	enum inv_icm42600_sensor_mode gyro;
134 	enum inv_icm42600_sensor_mode accel;
135 	bool temp;
136 };
137 
138 /**
139  *  struct inv_icm42600_state - driver state variables
140  *  @lock:		lock for serializing multiple registers access.
141  *  @chip:		chip identifier.
142  *  @name:		chip name.
143  *  @map:		regmap pointer.
144  *  @vdd_supply:	VDD voltage regulator for the chip.
145  *  @vddio_supply:	I/O voltage regulator for the chip.
146  *  @orientation:	sensor chip orientation relative to main hardware.
147  *  @conf:		chip sensors configurations.
148  *  @suspended:		suspended sensors configuration.
149  *  @indio_gyro:	gyroscope IIO device.
150  *  @indio_accel:	accelerometer IIO device.
151  *  @buffer:		data transfer buffer aligned for DMA.
152  *  @fifo:		FIFO management structure.
153  *  @timestamp:		interrupt timestamps.
154  */
155 struct inv_icm42600_state {
156 	struct mutex lock;
157 	enum inv_icm42600_chip chip;
158 	const char *name;
159 	struct regmap *map;
160 	struct regulator *vdd_supply;
161 	struct regulator *vddio_supply;
162 	struct iio_mount_matrix orientation;
163 	struct inv_icm42600_conf conf;
164 	struct inv_icm42600_suspended suspended;
165 	struct iio_dev *indio_gyro;
166 	struct iio_dev *indio_accel;
167 	uint8_t buffer[2] __aligned(IIO_DMA_MINALIGN);
168 	struct inv_icm42600_fifo fifo;
169 	struct {
170 		int64_t gyro;
171 		int64_t accel;
172 	} timestamp;
173 };
174 
175 
176 /**
177  * struct inv_icm42600_sensor_state - sensor state variables
178  * @scales:		table of scales.
179  * @scales_len:		length (nb of items) of the scales table.
180  * @power_mode:		sensor requested power mode (for common frequencies)
181  * @filter:		sensor filter.
182  * @ts:			timestamp module states.
183  */
184 struct inv_icm42600_sensor_state {
185 	const int *scales;
186 	size_t scales_len;
187 	enum inv_icm42600_sensor_mode power_mode;
188 	enum inv_icm42600_filter filter;
189 	struct inv_sensors_timestamp ts;
190 };
191 
192 /* Virtual register addresses: @bank on MSB (4 upper bits), @address on LSB */
193 
194 /* Bank selection register, available in all banks */
195 #define INV_ICM42600_REG_BANK_SEL			0x76
196 #define INV_ICM42600_BANK_SEL_MASK			GENMASK(2, 0)
197 
198 /* User bank 0 (MSB 0x00) */
199 #define INV_ICM42600_REG_DEVICE_CONFIG			0x0011
200 #define INV_ICM42600_DEVICE_CONFIG_SOFT_RESET		BIT(0)
201 
202 #define INV_ICM42600_REG_DRIVE_CONFIG			0x0013
203 #define INV_ICM42600_DRIVE_CONFIG_I2C_MASK		GENMASK(5, 3)
204 #define INV_ICM42600_DRIVE_CONFIG_I2C(_rate)		\
205 		FIELD_PREP(INV_ICM42600_DRIVE_CONFIG_I2C_MASK, (_rate))
206 #define INV_ICM42600_DRIVE_CONFIG_SPI_MASK		GENMASK(2, 0)
207 #define INV_ICM42600_DRIVE_CONFIG_SPI(_rate)		\
208 		FIELD_PREP(INV_ICM42600_DRIVE_CONFIG_SPI_MASK, (_rate))
209 
210 #define INV_ICM42600_REG_INT_CONFIG			0x0014
211 #define INV_ICM42600_INT_CONFIG_INT2_LATCHED		BIT(5)
212 #define INV_ICM42600_INT_CONFIG_INT2_PUSH_PULL		BIT(4)
213 #define INV_ICM42600_INT_CONFIG_INT2_ACTIVE_HIGH	BIT(3)
214 #define INV_ICM42600_INT_CONFIG_INT2_ACTIVE_LOW		0x00
215 #define INV_ICM42600_INT_CONFIG_INT1_LATCHED		BIT(2)
216 #define INV_ICM42600_INT_CONFIG_INT1_PUSH_PULL		BIT(1)
217 #define INV_ICM42600_INT_CONFIG_INT1_ACTIVE_HIGH	BIT(0)
218 #define INV_ICM42600_INT_CONFIG_INT1_ACTIVE_LOW		0x00
219 
220 #define INV_ICM42600_REG_FIFO_CONFIG			0x0016
221 #define INV_ICM42600_FIFO_CONFIG_MASK			GENMASK(7, 6)
222 #define INV_ICM42600_FIFO_CONFIG_BYPASS			\
223 		FIELD_PREP(INV_ICM42600_FIFO_CONFIG_MASK, 0)
224 #define INV_ICM42600_FIFO_CONFIG_STREAM			\
225 		FIELD_PREP(INV_ICM42600_FIFO_CONFIG_MASK, 1)
226 #define INV_ICM42600_FIFO_CONFIG_STOP_ON_FULL		\
227 		FIELD_PREP(INV_ICM42600_FIFO_CONFIG_MASK, 2)
228 
229 /* all sensor data are 16 bits (2 registers wide) in big-endian */
230 #define INV_ICM42600_REG_TEMP_DATA			0x001D
231 #define INV_ICM42600_REG_ACCEL_DATA_X			0x001F
232 #define INV_ICM42600_REG_ACCEL_DATA_Y			0x0021
233 #define INV_ICM42600_REG_ACCEL_DATA_Z			0x0023
234 #define INV_ICM42600_REG_GYRO_DATA_X			0x0025
235 #define INV_ICM42600_REG_GYRO_DATA_Y			0x0027
236 #define INV_ICM42600_REG_GYRO_DATA_Z			0x0029
237 #define INV_ICM42600_DATA_INVALID			-32768
238 
239 #define INV_ICM42600_REG_INT_STATUS			0x002D
240 #define INV_ICM42600_INT_STATUS_UI_FSYNC		BIT(6)
241 #define INV_ICM42600_INT_STATUS_PLL_RDY			BIT(5)
242 #define INV_ICM42600_INT_STATUS_RESET_DONE		BIT(4)
243 #define INV_ICM42600_INT_STATUS_DATA_RDY		BIT(3)
244 #define INV_ICM42600_INT_STATUS_FIFO_THS		BIT(2)
245 #define INV_ICM42600_INT_STATUS_FIFO_FULL		BIT(1)
246 #define INV_ICM42600_INT_STATUS_AGC_RDY			BIT(0)
247 
248 /*
249  * FIFO access registers
250  * FIFO count is 16 bits (2 registers) big-endian
251  * FIFO data is a continuous read register to read FIFO content
252  */
253 #define INV_ICM42600_REG_FIFO_COUNT			0x002E
254 #define INV_ICM42600_REG_FIFO_DATA			0x0030
255 
256 #define INV_ICM42600_REG_SIGNAL_PATH_RESET		0x004B
257 #define INV_ICM42600_SIGNAL_PATH_RESET_DMP_INIT_EN	BIT(6)
258 #define INV_ICM42600_SIGNAL_PATH_RESET_DMP_MEM_RESET	BIT(5)
259 #define INV_ICM42600_SIGNAL_PATH_RESET_RESET		BIT(3)
260 #define INV_ICM42600_SIGNAL_PATH_RESET_TMST_STROBE	BIT(2)
261 #define INV_ICM42600_SIGNAL_PATH_RESET_FIFO_FLUSH	BIT(1)
262 
263 /* default configuration: all data big-endian and fifo count in bytes */
264 #define INV_ICM42600_REG_INTF_CONFIG0			0x004C
265 #define INV_ICM42600_INTF_CONFIG0_FIFO_HOLD_LAST_DATA	BIT(7)
266 #define INV_ICM42600_INTF_CONFIG0_FIFO_COUNT_REC	BIT(6)
267 #define INV_ICM42600_INTF_CONFIG0_FIFO_COUNT_ENDIAN	BIT(5)
268 #define INV_ICM42600_INTF_CONFIG0_SENSOR_DATA_ENDIAN	BIT(4)
269 #define INV_ICM42600_INTF_CONFIG0_UI_SIFS_CFG_MASK	GENMASK(1, 0)
270 #define INV_ICM42600_INTF_CONFIG0_UI_SIFS_CFG_SPI_DIS	\
271 		FIELD_PREP(INV_ICM42600_INTF_CONFIG0_UI_SIFS_CFG_MASK, 2)
272 #define INV_ICM42600_INTF_CONFIG0_UI_SIFS_CFG_I2C_DIS	\
273 		FIELD_PREP(INV_ICM42600_INTF_CONFIG0_UI_SIFS_CFG_MASK, 3)
274 
275 #define INV_ICM42600_REG_INTF_CONFIG1			0x004D
276 #define INV_ICM42600_INTF_CONFIG1_ACCEL_LP_CLK_RC	BIT(3)
277 
278 #define INV_ICM42600_REG_PWR_MGMT0			0x004E
279 #define INV_ICM42600_PWR_MGMT0_TEMP_DIS			BIT(5)
280 #define INV_ICM42600_PWR_MGMT0_IDLE			BIT(4)
281 #define INV_ICM42600_PWR_MGMT0_GYRO(_mode)		\
282 		FIELD_PREP(GENMASK(3, 2), (_mode))
283 #define INV_ICM42600_PWR_MGMT0_ACCEL(_mode)		\
284 		FIELD_PREP(GENMASK(1, 0), (_mode))
285 
286 #define INV_ICM42600_REG_GYRO_CONFIG0			0x004F
287 #define INV_ICM42600_GYRO_CONFIG0_FS(_fs)		\
288 		FIELD_PREP(GENMASK(7, 5), (_fs))
289 #define INV_ICM42600_GYRO_CONFIG0_ODR(_odr)		\
290 		FIELD_PREP(GENMASK(3, 0), (_odr))
291 
292 #define INV_ICM42600_REG_ACCEL_CONFIG0			0x0050
293 #define INV_ICM42600_ACCEL_CONFIG0_FS(_fs)		\
294 		FIELD_PREP(GENMASK(7, 5), (_fs))
295 #define INV_ICM42600_ACCEL_CONFIG0_ODR(_odr)		\
296 		FIELD_PREP(GENMASK(3, 0), (_odr))
297 
298 #define INV_ICM42600_REG_GYRO_ACCEL_CONFIG0		0x0052
299 #define INV_ICM42600_GYRO_ACCEL_CONFIG0_ACCEL_FILT(_f)	\
300 		FIELD_PREP(GENMASK(7, 4), (_f))
301 #define INV_ICM42600_GYRO_ACCEL_CONFIG0_GYRO_FILT(_f)	\
302 		FIELD_PREP(GENMASK(3, 0), (_f))
303 
304 #define INV_ICM42600_REG_TMST_CONFIG			0x0054
305 #define INV_ICM42600_TMST_CONFIG_MASK			GENMASK(4, 0)
306 #define INV_ICM42600_TMST_CONFIG_TMST_TO_REGS_EN	BIT(4)
307 #define INV_ICM42600_TMST_CONFIG_TMST_RES_16US		BIT(3)
308 #define INV_ICM42600_TMST_CONFIG_TMST_DELTA_EN		BIT(2)
309 #define INV_ICM42600_TMST_CONFIG_TMST_FSYNC_EN		BIT(1)
310 #define INV_ICM42600_TMST_CONFIG_TMST_EN		BIT(0)
311 
312 #define INV_ICM42600_REG_FIFO_CONFIG1			0x005F
313 #define INV_ICM42600_FIFO_CONFIG1_RESUME_PARTIAL_RD	BIT(6)
314 #define INV_ICM42600_FIFO_CONFIG1_WM_GT_TH		BIT(5)
315 #define INV_ICM42600_FIFO_CONFIG1_TMST_FSYNC_EN		BIT(3)
316 #define INV_ICM42600_FIFO_CONFIG1_TEMP_EN		BIT(2)
317 #define INV_ICM42600_FIFO_CONFIG1_GYRO_EN		BIT(1)
318 #define INV_ICM42600_FIFO_CONFIG1_ACCEL_EN		BIT(0)
319 
320 /* FIFO watermark is 16 bits (2 registers wide) in little-endian */
321 #define INV_ICM42600_REG_FIFO_WATERMARK			0x0060
322 #define INV_ICM42600_FIFO_WATERMARK_VAL(_wm)		\
323 		cpu_to_le16((_wm) & GENMASK(11, 0))
324 /* FIFO is 2048 bytes, let 12 samples for reading latency */
325 #define INV_ICM42600_FIFO_WATERMARK_MAX			(2048 - 12 * 16)
326 
327 #define INV_ICM42600_REG_INT_CONFIG1			0x0064
328 #define INV_ICM42600_INT_CONFIG1_TPULSE_DURATION	BIT(6)
329 #define INV_ICM42600_INT_CONFIG1_TDEASSERT_DISABLE	BIT(5)
330 #define INV_ICM42600_INT_CONFIG1_ASYNC_RESET		BIT(4)
331 
332 #define INV_ICM42600_REG_INT_SOURCE0			0x0065
333 #define INV_ICM42600_INT_SOURCE0_UI_FSYNC_INT1_EN	BIT(6)
334 #define INV_ICM42600_INT_SOURCE0_PLL_RDY_INT1_EN	BIT(5)
335 #define INV_ICM42600_INT_SOURCE0_RESET_DONE_INT1_EN	BIT(4)
336 #define INV_ICM42600_INT_SOURCE0_UI_DRDY_INT1_EN	BIT(3)
337 #define INV_ICM42600_INT_SOURCE0_FIFO_THS_INT1_EN	BIT(2)
338 #define INV_ICM42600_INT_SOURCE0_FIFO_FULL_INT1_EN	BIT(1)
339 #define INV_ICM42600_INT_SOURCE0_UI_AGC_RDY_INT1_EN	BIT(0)
340 
341 #define INV_ICM42600_REG_WHOAMI				0x0075
342 #define INV_ICM42600_WHOAMI_ICM42600			0x40
343 #define INV_ICM42600_WHOAMI_ICM42602			0x41
344 #define INV_ICM42600_WHOAMI_ICM42605			0x42
345 #define INV_ICM42600_WHOAMI_ICM42686			0x44
346 #define INV_ICM42600_WHOAMI_ICM42622			0x46
347 #define INV_ICM42600_WHOAMI_ICM42688			0x47
348 #define INV_ICM42600_WHOAMI_ICM42631			0x5C
349 
350 /* User bank 1 (MSB 0x10) */
351 #define INV_ICM42600_REG_SENSOR_CONFIG0			0x1003
352 #define INV_ICM42600_SENSOR_CONFIG0_ZG_DISABLE		BIT(5)
353 #define INV_ICM42600_SENSOR_CONFIG0_YG_DISABLE		BIT(4)
354 #define INV_ICM42600_SENSOR_CONFIG0_XG_DISABLE		BIT(3)
355 #define INV_ICM42600_SENSOR_CONFIG0_ZA_DISABLE		BIT(2)
356 #define INV_ICM42600_SENSOR_CONFIG0_YA_DISABLE		BIT(1)
357 #define INV_ICM42600_SENSOR_CONFIG0_XA_DISABLE		BIT(0)
358 
359 /* Timestamp value is 20 bits (3 registers) in little-endian */
360 #define INV_ICM42600_REG_TMSTVAL			0x1062
361 #define INV_ICM42600_TMSTVAL_MASK			GENMASK(19, 0)
362 
363 #define INV_ICM42600_REG_INTF_CONFIG4			0x107A
364 #define INV_ICM42600_INTF_CONFIG4_I3C_BUS_ONLY		BIT(6)
365 #define INV_ICM42600_INTF_CONFIG4_SPI_AP_4WIRE		BIT(1)
366 
367 #define INV_ICM42600_REG_INTF_CONFIG6			0x107C
368 #define INV_ICM42600_INTF_CONFIG6_MASK			GENMASK(4, 0)
369 #define INV_ICM42600_INTF_CONFIG6_I3C_EN		BIT(4)
370 #define INV_ICM42600_INTF_CONFIG6_I3C_IBI_BYTE_EN	BIT(3)
371 #define INV_ICM42600_INTF_CONFIG6_I3C_IBI_EN		BIT(2)
372 #define INV_ICM42600_INTF_CONFIG6_I3C_DDR_EN		BIT(1)
373 #define INV_ICM42600_INTF_CONFIG6_I3C_SDR_EN		BIT(0)
374 
375 /* User bank 4 (MSB 0x40) */
376 #define INV_ICM42600_REG_INT_SOURCE8			0x404F
377 #define INV_ICM42600_INT_SOURCE8_FSYNC_IBI_EN		BIT(5)
378 #define INV_ICM42600_INT_SOURCE8_PLL_RDY_IBI_EN		BIT(4)
379 #define INV_ICM42600_INT_SOURCE8_UI_DRDY_IBI_EN		BIT(3)
380 #define INV_ICM42600_INT_SOURCE8_FIFO_THS_IBI_EN	BIT(2)
381 #define INV_ICM42600_INT_SOURCE8_FIFO_FULL_IBI_EN	BIT(1)
382 #define INV_ICM42600_INT_SOURCE8_AGC_RDY_IBI_EN		BIT(0)
383 
384 #define INV_ICM42600_REG_OFFSET_USER0			0x4077
385 #define INV_ICM42600_REG_OFFSET_USER1			0x4078
386 #define INV_ICM42600_REG_OFFSET_USER2			0x4079
387 #define INV_ICM42600_REG_OFFSET_USER3			0x407A
388 #define INV_ICM42600_REG_OFFSET_USER4			0x407B
389 #define INV_ICM42600_REG_OFFSET_USER5			0x407C
390 #define INV_ICM42600_REG_OFFSET_USER6			0x407D
391 #define INV_ICM42600_REG_OFFSET_USER7			0x407E
392 #define INV_ICM42600_REG_OFFSET_USER8			0x407F
393 
394 /* Sleep times required by the driver */
395 #define INV_ICM42600_POWER_UP_TIME_MS		100
396 #define INV_ICM42600_RESET_TIME_MS		1
397 #define INV_ICM42600_ACCEL_STARTUP_TIME_MS	20
398 #define INV_ICM42600_GYRO_STARTUP_TIME_MS	60
399 #define INV_ICM42600_GYRO_STOP_TIME_MS		150
400 #define INV_ICM42600_TEMP_STARTUP_TIME_MS	14
401 #define INV_ICM42600_SUSPEND_DELAY_MS		2000
402 
403 typedef int (*inv_icm42600_bus_setup)(struct inv_icm42600_state *);
404 
405 extern const struct regmap_config inv_icm42600_regmap_config;
406 extern const struct dev_pm_ops inv_icm42600_pm_ops;
407 
408 const struct iio_mount_matrix *
409 inv_icm42600_get_mount_matrix(const struct iio_dev *indio_dev,
410 			      const struct iio_chan_spec *chan);
411 
412 uint32_t inv_icm42600_odr_to_period(enum inv_icm42600_odr odr);
413 
414 int inv_icm42600_set_accel_conf(struct inv_icm42600_state *st,
415 				struct inv_icm42600_sensor_conf *conf,
416 				unsigned int *sleep_ms);
417 
418 int inv_icm42600_set_gyro_conf(struct inv_icm42600_state *st,
419 			       struct inv_icm42600_sensor_conf *conf,
420 			       unsigned int *sleep_ms);
421 
422 int inv_icm42600_set_temp_conf(struct inv_icm42600_state *st, bool enable,
423 			       unsigned int *sleep_ms);
424 
425 int inv_icm42600_debugfs_reg(struct iio_dev *indio_dev, unsigned int reg,
426 			     unsigned int writeval, unsigned int *readval);
427 
428 int inv_icm42600_core_probe(struct regmap *regmap, int chip, int irq,
429 			    inv_icm42600_bus_setup bus_setup);
430 
431 struct iio_dev *inv_icm42600_gyro_init(struct inv_icm42600_state *st);
432 
433 int inv_icm42600_gyro_parse_fifo(struct iio_dev *indio_dev);
434 
435 struct iio_dev *inv_icm42600_accel_init(struct inv_icm42600_state *st);
436 
437 int inv_icm42600_accel_parse_fifo(struct iio_dev *indio_dev);
438 
439 #endif
440