1 /* $NetBSD: gpio_service.h,v 1.2 2021/12/18 23:45:04 riastradh Exp $ */ 2 3 /* 4 * Copyright 2012-15 Advanced Micro Devices, Inc. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 * Authors: AMD 25 * 26 */ 27 28 #ifndef __DAL_GPIO_SERVICE_H__ 29 #define __DAL_GPIO_SERVICE_H__ 30 31 struct hw_translate; 32 struct hw_factory; 33 34 struct gpio_service { 35 struct dc_context *ctx; 36 struct hw_translate translate; 37 struct hw_factory factory; 38 /* 39 * @brief 40 * Business storage. 41 * one byte For each member of 'enum gpio_id' 42 */ 43 char *busyness[GPIO_ID_COUNT]; 44 }; 45 46 enum gpio_result dal_gpio_service_open( 47 struct gpio *gpio); 48 49 void dal_gpio_service_close( 50 struct gpio_service *service, 51 struct hw_gpio_pin **ptr); 52 53 enum gpio_result dal_gpio_service_lock( 54 struct gpio_service *service, 55 enum gpio_id id, 56 uint32_t en); 57 58 enum gpio_result dal_gpio_service_unlock( 59 struct gpio_service *service, 60 enum gpio_id id, 61 uint32_t en); 62 63 #endif 64