1 /* 2 * Copyright 2012-15 Advanced Micro Devices, Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: AMD 23 * 24 */ 25 26 #ifndef __DAL_GPIO_SERVICE_H__ 27 #define __DAL_GPIO_SERVICE_H__ 28 29 struct hw_translate; 30 struct hw_factory; 31 32 struct gpio_service { 33 struct dc_context *ctx; 34 struct hw_translate translate; 35 struct hw_factory factory; 36 /* 37 * @brief 38 * Business storage. 39 * For each member of 'enum gpio_id', 40 * store array of bits (packed into uint32_t slots), 41 * index individual bit by 'en' value */ 42 uint32_t *busyness[GPIO_ID_COUNT]; 43 }; 44 45 enum gpio_result dal_gpio_service_open( 46 struct gpio_service *service, 47 enum gpio_id id, 48 uint32_t en, 49 enum gpio_mode mode, 50 struct hw_gpio_pin **ptr); 51 52 void dal_gpio_service_close( 53 struct gpio_service *service, 54 struct hw_gpio_pin **ptr); 55 56 #endif 57