projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| fc35a91b JG |
1 | /* |
| 2 | * Header file for hmc5843 driver | |
| 3 | * | |
| 4 | * Split from hmc5843.c | |
| 5 | * Copyright (C) Josef Gajdusek <atx@atx.name> | |
| 6 | * | |
| 7 | * This program is free software; you can redistribute it and/or modify | |
| 8 | * it under the terms of the GNU General Public License version 2 as | |
| 9 | * published by the Free Software Foundation. | |
| 4630adb8 | 10 | */ |
| fc35a91b | 11 | |
| fc35a91b JG |
12 | #ifndef HMC5843_CORE_H |
| 13 | #define HMC5843_CORE_H | |
| 14 | ||
| 15 | #include <linux/regmap.h> | |
| 16 | #include <linux/iio/iio.h> | |
| 17 | ||
| 18 | #define HMC5843_CONFIG_REG_A 0x00 | |
| 19 | #define HMC5843_CONFIG_REG_B 0x01 | |
| 20 | #define HMC5843_MODE_REG 0x02 | |
| 21 | #define HMC5843_DATA_OUT_MSB_REGS 0x03 | |
| 22 | #define HMC5843_STATUS_REG 0x09 | |
| 23 | #define HMC5843_ID_REG 0x0a | |
| 24 | #define HMC5843_ID_END 0x0c | |
| 25 | ||
| 26 | enum hmc5843_ids { | |
| 27 | HMC5843_ID, | |
| 28 | HMC5883_ID, | |
| 29 | HMC5883L_ID, | |
| 5a059bd2 | 30 | HMC5983_ID, |
| fc35a91b JG |
31 | }; |
| 32 | ||
| daf56d91 CO |
33 | /** |
| 34 | * struct hcm5843_data - device specific data | |
| 35 | * @dev: actual device | |
| 36 | * @lock: update and read regmap data | |
| 37 | * @regmap: hardware access register maps | |
| 38 | * @variant: describe chip variants | |
| 39 | * @buffer: 3x 16-bit channels + padding + 64-bit timestamp | |
| 4630adb8 | 40 | */ |
| fc35a91b JG |
41 | struct hmc5843_data { |
| 42 | struct device *dev; | |
| 43 | struct mutex lock; | |
| 44 | struct regmap *regmap; | |
| 45 | const struct hmc5843_chip_info *variant; | |
| daf56d91 | 46 | __be16 buffer[8]; |
| fc35a91b JG |
47 | }; |
| 48 | ||
| 49 | int hmc5843_common_probe(struct device *dev, struct regmap *regmap, | |
| 70b2737e | 50 | enum hmc5843_ids id, const char *name); |
| fc35a91b JG |
51 | int hmc5843_common_remove(struct device *dev); |
| 52 | ||
| 53 | int hmc5843_common_suspend(struct device *dev); | |
| 54 | int hmc5843_common_resume(struct device *dev); | |
| 55 | ||
| 56 | #ifdef CONFIG_PM_SLEEP | |
| 57 | static SIMPLE_DEV_PM_OPS(hmc5843_pm_ops, | |
| 58 | hmc5843_common_suspend, | |
| 59 | hmc5843_common_resume); | |
| 60 | #define HMC5843_PM_OPS (&hmc5843_pm_ops) | |
| 61 | #else | |
| 62 | #define HMC5843_PM_OPS NULL | |
| 63 | #endif | |
| 64 | ||
| 65 | #endif /* HMC5843_CORE_H */ |