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      1 /*
      2  * Copyright (C) 2016 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #include <cutils/properties.h>
     18 #ifndef __THERMAL_CLIENT_H__
     19 #define __THERMAL_CLIENT_H__
     20 
     21 #ifdef __cplusplus
     22 extern "C" {
     23 #endif
     24 
     25 #define MAX_ACTIONS  (32)
     26 
     27 /* Enum for supported fields */
     28 enum supported_fields {
     29 	UNKNOWN_FIELD = 0x0,
     30 	DISABLE_FIELD = 0x1,
     31 	SAMPLING_FIELD = 0x2,
     32 	THRESHOLDS_FIELD = 0x4,
     33 	SET_POINT_FIELD = THRESHOLDS_FIELD,
     34 	THRESHOLDS_CLR_FIELD = 0x8,
     35 	SET_POINT_CLR_FIELD = THRESHOLDS_CLR_FIELD,
     36 	ACTION_INFO_FIELD = 0x10,
     37 	SUPPORTED_FIELD_MAX = 0x20,
     38 };
     39 
     40 enum field_data_type {
     41 	FIELD_INT = 0,
     42 	FIELD_STR,
     43 	FIELD_INT_ARR,
     44 	FIELD_ARR_STR,
     45 	FIELD_ARR_INT_ARR,
     46 	FIELD_MAX
     47 };
     48 
     49 struct action_info_data {
     50 	int info[MAX_ACTIONS];
     51 	uint32_t num_actions;
     52 };
     53 
     54 struct field_data {
     55 	char *field_name;
     56 	enum field_data_type data_type;
     57 	uint32_t num_data;
     58 	void *data;
     59 };
     60 
     61 struct config_instance {
     62 	char *cfg_desc;
     63 	char *algo_type;
     64 	unsigned int fields_mask;  /* mask set by client to request to adjust supported fields */
     65 	uint32_t num_fields;
     66 	struct field_data *fields;
     67 };
     68 
     69 int thermal_client_config_query(char *algo_type, struct config_instance **configs);
     70 void thermal_client_config_cleanup(struct config_instance *configs, unsigned int config_size);
     71 int thermal_client_config_set(struct config_instance *configs, unsigned int config_size);
     72 
     73 int thermal_client_register_callback(char *client_name, int (*callback)(int , void *, void *), void *data);
     74 int thermal_client_request(char *client_name, int req_data);
     75 void thermal_client_unregister_callback(int client_cb_handle);
     76 
     77 #ifdef __cplusplus
     78 }
     79 #endif
     80 
     81 #endif /* __THERMAL_CLIENT_H__ */
     82