| Kiran Gunda | 1bc7892 | 2017-09-19 13:09:44 +0530 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2014, The Linux Foundation. All rights reserved. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License version 2 and |
| 6 | * only version 2 as published by the Free Software Foundation. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | */ |
| 13 | |
| 14 | #ifndef __MSM_BCL_H |
| 15 | #define __MSM_BCL_H |
| 16 | |
| 17 | #define BCL_NAME_MAX_LEN 20 |
| 18 | |
| 19 | enum bcl_trip_type { |
| 20 | BCL_HIGH_TRIP, |
| 21 | BCL_LOW_TRIP, |
| 22 | BCL_TRIP_MAX, |
| 23 | }; |
| 24 | |
| 25 | enum bcl_param { |
| 26 | BCL_PARAM_VOLTAGE, |
| 27 | BCL_PARAM_CURRENT, |
| 28 | BCL_PARAM_MAX, |
| 29 | }; |
| 30 | |
| 31 | struct bcl_threshold { |
| 32 | int trip_value; |
| 33 | enum bcl_trip_type type; |
| 34 | void *trip_data; |
| 35 | void (*trip_notify) (enum bcl_trip_type, int, void *); |
| 36 | }; |
| 37 | struct bcl_param_data; |
| 38 | struct bcl_driver_ops { |
| 39 | int (*read) (int *); |
| 40 | int (*set_high_trip) (int); |
| 41 | int (*get_high_trip) (int *); |
| 42 | int (*set_low_trip) (int); |
| 43 | int (*get_low_trip) (int *); |
| 44 | int (*disable) (void); |
| 45 | int (*enable) (void); |
| 46 | int (*notify) (struct bcl_param_data *, int, |
| 47 | enum bcl_trip_type); |
| 48 | }; |
| 49 | |
| 50 | struct bcl_param_data { |
| 51 | char name[BCL_NAME_MAX_LEN]; |
| 52 | struct device device; |
| 53 | struct bcl_driver_ops *ops; |
| 54 | int high_trip; |
| 55 | int low_trip; |
| 56 | int last_read_val; |
| 57 | bool registered; |
| 58 | struct kobj_attribute val_attr; |
| 59 | struct kobj_attribute high_trip_attr; |
| 60 | struct kobj_attribute low_trip_attr; |
| 61 | struct attribute_group bcl_attr_gp; |
| 62 | struct bcl_threshold *thresh[BCL_TRIP_MAX]; |
| 63 | }; |
| 64 | |
| 65 | #ifdef CONFIG_MSM_BCL_CTL |
| 66 | struct bcl_param_data *msm_bcl_register_param(enum bcl_param, |
| 67 | struct bcl_driver_ops *, char *); |
| 68 | int msm_bcl_unregister_param(struct bcl_param_data *); |
| 69 | int msm_bcl_enable(void); |
| 70 | int msm_bcl_disable(void); |
| 71 | int msm_bcl_set_threshold(enum bcl_param, enum bcl_trip_type, |
| 72 | struct bcl_threshold *); |
| 73 | int msm_bcl_read(enum bcl_param, int *); |
| 74 | #else |
| 75 | static inline struct bcl_param_data *msm_bcl_register_param( |
| 76 | enum bcl_param param_type, struct bcl_driver_ops *ops, char *name) |
| 77 | { |
| 78 | return NULL; |
| 79 | } |
| 80 | static inline int msm_bcl_unregister_param(struct bcl_param_data *data) |
| 81 | { |
| 82 | return -ENOSYS; |
| 83 | } |
| 84 | static inline int msm_bcl_enable(void) |
| 85 | { |
| 86 | return -ENOSYS; |
| 87 | } |
| 88 | static inline int msm_bcl_disable(void) |
| 89 | { |
| 90 | return -ENOSYS; |
| 91 | } |
| 92 | static inline int msm_bcl_set_threshold(enum bcl_param param_type, |
| 93 | enum bcl_trip_type type, |
| 94 | struct bcl_threshold *inp_thresh) |
| 95 | { |
| 96 | return -ENOSYS; |
| 97 | } |
| 98 | static inline int msm_bcl_read(enum bcl_param param_type, int *vbat_value) |
| 99 | { |
| 100 | return -ENOSYS; |
| 101 | } |
| 102 | #endif |
| 103 | |
| 104 | #endif /*__MSM_BCL_H*/ |