1 /* 2 * Copyright 2015 Rockchip Electronics Co. LTD 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 #ifndef __HAL_TASK__ 18 #define __HAL_TASK__ 19 20 #include "rk_type.h" 21 #include "mpp_err.h" 22 23 typedef enum HalTaskStatus_e { 24 TASK_IDLE, 25 TASK_PROCESSING, 26 TASK_PROC_DONE, 27 TASK_BUTT, 28 } HalTaskStatus; 29 30 typedef void* HalTaskHnd; 31 typedef void* HalTaskGroup; 32 33 #ifdef __cplusplus 34 extern "C" { 35 #endif 36 37 /* 38 * group init / deinit will be called by hal 39 * HalTaskGroup is a group of task list with status 40 */ 41 MPP_RET hal_task_group_init(HalTaskGroup *group, RK_S32 stage_cnt, 42 RK_S32 task_cnt, RK_S32 task_size); 43 MPP_RET hal_task_group_deinit(HalTaskGroup group); 44 45 /* 46 * normal working flow: 47 * 48 * dec: 49 * 50 * - codec 51 * hal_task_get_hnd(group, idle, hnd) - dec try get idle task to work 52 * hal_task_hnd_set_status(hnd, prepare) - dec prepare the task 53 * codec prepare task 54 * hal_task_hnd_set_status(hnd, wait_proc) - dec send the task to hardware queue 55 * 56 * - hal 57 * hal_task_get_hnd(group, wait_proc, hnd) - hal get task on wait_proc status 58 * hal start task 59 * hal_task_set_hnd(hnd, processing) - hal send task to hardware for process 60 * hal wait task done 61 * hal_task_set_hnd(hnd, proc_done) - hal mark task is finished 62 * 63 * - codec 64 * hal_task_get_hnd(group, task_done, hnd) - codec query the previous finished task 65 * codec do error process on task 66 * hal_task_set_hnd(hnd, idle) - codec mark task is idle 67 * 68 */ 69 MPP_RET hal_task_get_hnd(HalTaskGroup group, RK_S32 status, HalTaskHnd *hnd); 70 RK_S32 hal_task_get_count(HalTaskGroup group, RK_S32 status); 71 MPP_RET hal_task_hnd_set_status(HalTaskHnd hnd, RK_S32 status); 72 MPP_RET hal_task_hnd_set_info(HalTaskHnd hnd, void *task); 73 MPP_RET hal_task_hnd_get_info(HalTaskHnd hnd, void *task); 74 void *hal_task_hnd_get_data(HalTaskHnd hnd); 75 MPP_RET hal_task_check_empty(HalTaskGroup group, RK_S32 status); 76 77 #ifdef __cplusplus 78 } 79 #endif 80 81 #endif /*__HAL_TASK__*/ 82