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1/*2 * Copyright 2012-16 Advanced Micro Devices, Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * 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 OR20 * OTHER DEALINGS IN THE SOFTWARE.21 *22 * Authors: AMD23 *24 */25 26#ifndef __DAL_GPIO_H__27#define __DAL_GPIO_H__28 29#include "gpio_types.h"30 31 32union gpio_hw_container {33 struct hw_ddc *ddc;34 struct hw_generic *generic;35 struct hw_hpd *hpd;36};37 38struct gpio {39 struct gpio_service *service;40 struct hw_gpio_pin *pin;41 enum gpio_id id;42 uint32_t en;43 44 union gpio_hw_container hw_container;45 enum gpio_mode mode;46 47 /* when GPIO comes from VBIOS, it has defined output state */48 enum gpio_pin_output_state output_state;49};50 51#if 052struct gpio_funcs {53 54 struct hw_gpio_pin *(*create_ddc_data)(55 struct dc_context *ctx,56 enum gpio_id id,57 uint32_t en);58 struct hw_gpio_pin *(*create_ddc_clock)(59 struct dc_context *ctx,60 enum gpio_id id,61 uint32_t en);62 struct hw_gpio_pin *(*create_generic)(63 struct dc_context *ctx,64 enum gpio_id id,65 uint32_t en);66 struct hw_gpio_pin *(*create_hpd)(67 struct dc_context *ctx,68 enum gpio_id id,69 uint32_t en);70 struct hw_gpio_pin *(*create_gpio_pad)(71 struct dc_context *ctx,72 enum gpio_id id,73 uint32_t en);74 struct hw_gpio_pin *(*create_sync)(75 struct dc_context *ctx,76 enum gpio_id id,77 uint32_t en);78 struct hw_gpio_pin *(*create_gsl)(79 struct dc_context *ctx,80 enum gpio_id id,81 uint32_t en);82 83 /* HW translation */84 bool (*offset_to_id)(85 uint32_t offset,86 uint32_t mask,87 enum gpio_id *id,88 uint32_t *en);89 bool (*id_to_offset)(90 enum gpio_id id,91 uint32_t en,92 struct gpio_pin_info *info);93};94#endif95 96#endif /* __DAL_GPIO__ */97