/* * Header file for hmc5843 driver * * Split from hmc5843.c * Copyright (C) Josef Gajdusek <atx@atx.name> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #ifndef HMC5843_CORE_H #define HMC5843_CORE_H #include <linux/regmap.h> #include <linux/iio/iio.h> #define HMC5843_CONFIG_REG_A 0x00 #define HMC5843_CONFIG_REG_B 0x01 #define HMC5843_MODE_REG 0x02 #define HMC5843_DATA_OUT_MSB_REGS 0x03 #define HMC5843_STATUS_REG 0x09 #define HMC5843_ID_REG 0x0a #define HMC5843_ID_END 0x0c enum hmc5843_ids { HMC5843_ID, HMC5883_ID, HMC5883L_ID, HMC5983_ID, }; /** * struct hcm5843_data - device specific data * @dev: actual device * @lock: update and read regmap data * @regmap: hardware access register maps * @variant: describe chip variants * @buffer: 3x 16-bit channels + padding + 64-bit timestamp */ struct hmc5843_data { struct device *dev; struct mutex lock; struct regmap *regmap; const struct hmc5843_chip_info *variant; __be16 buffer[8]; }; int hmc5843_common_probe(struct device *dev, struct regmap *regmap, enum hmc5843_ids id, const char *name); int hmc5843_common_remove(struct device *dev); int hmc5843_common_suspend(struct device *dev); int hmc5843_common_resume(struct device *dev); #ifdef [31mCONFIG_PM_SLEEP[0m static SIMPLE_DEV_PM_OPS(hmc5843_pm_ops, hmc5843_common_suspend, hmc5843_common_resume); #define HMC5843_PM_OPS (&hmc5843_pm_ops) #else #define HMC5843_PM_OPS NULL #endif #endif /* HMC5843_CORE_H */ |