1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * Header file for hmc5843 driver 4 * 5 * Split from hmc5843.c 6 * Copyright (C) Josef Gajdusek <atx@atx.name> 7 */ 8 9#ifndef HMC5843_CORE_H 10#define HMC5843_CORE_H 11 12#include <linux/regmap.h> 13#include <linux/iio/iio.h> 14 15#define HMC5843_CONFIG_REG_A 0x00 16#define HMC5843_CONFIG_REG_B 0x01 17#define HMC5843_MODE_REG 0x02 18#define HMC5843_DATA_OUT_MSB_REGS 0x03 19#define HMC5843_STATUS_REG 0x09 20#define HMC5843_ID_REG 0x0a 21#define HMC5843_ID_END 0x0c 22 23enum hmc5843_ids { 24 HMC5843_ID, 25 HMC5883_ID, 26 HMC5883L_ID, 27 HMC5983_ID, 28}; 29 30/** 31 * struct hmc5843_data - device specific data 32 * @dev: actual device 33 * @lock: update and read regmap data 34 * @regmap: hardware access register maps 35 * @variant: describe chip variants 36 * @buffer: 3x 16-bit channels + padding + 64-bit timestamp 37 */ 38struct hmc5843_data { 39 struct device *dev; 40 struct mutex lock; 41 struct regmap *regmap; 42 const struct hmc5843_chip_info *variant; 43 struct iio_mount_matrix orientation; 44 __be16 buffer[8]; 45}; 46 47int hmc5843_common_probe(struct device *dev, struct regmap *regmap, 48 enum hmc5843_ids id, const char *name); 49int hmc5843_common_remove(struct device *dev); 50 51int hmc5843_common_suspend(struct device *dev); 52int hmc5843_common_resume(struct device *dev); 53 54#ifdef CONFIG_PM_SLEEP 55static SIMPLE_DEV_PM_OPS(hmc5843_pm_ops, 56 hmc5843_common_suspend, 57 hmc5843_common_resume); 58#define HMC5843_PM_OPS (&hmc5843_pm_ops) 59#else 60#define HMC5843_PM_OPS NULL 61#endif 62 63#endif /* HMC5843_CORE_H */ 64