/*
* Copyright 2012 - 16 Advanced Micro Devices , Inc .
*
* Permission is hereby granted , free of charge , to any person obtaining a
* copy of this software and associated documentation files ( the " Software " ) ,
* to deal in the Software without restriction , including without limitation
* the rights to use , copy , modify , merge , publish , distribute , sublicense ,
* and / or sell copies of the Software , and to permit persons to whom the
* Software is furnished to do so , subject to the following conditions :
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software .
*
* THE SOFTWARE IS PROVIDED " AS IS " , WITHOUT WARRANTY OF ANY KIND , EXPRESS OR
* IMPLIED , INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY ,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT . IN NO EVENT SHALL
* THE COPYRIGHT HOLDER ( S ) OR AUTHOR ( S ) BE LIABLE FOR ANY CLAIM , DAMAGES OR
* OTHER LIABILITY , WHETHER IN AN ACTION OF CONTRACT , TORT OR OTHERWISE ,
* ARISING FROM , OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE .
*
* Authors : AMD
*
*/
#ifndef __DAL_GPIO_H__
#define __DAL_GPIO_H__
#include "gpio_types.h"
union gpio_hw_container {
struct hw_ddc *ddc;
struct hw_generic *generic;
struct hw_hpd *hpd;
};
struct gpio {
struct gpio_service *service;
struct hw_gpio_pin *pin;
enum gpio_id id;
uint32_t en;
union gpio_hw_container hw_container;
enum gpio_mode mode;
/* when GPIO comes from VBIOS, it has defined output state */
enum gpio_pin_output_state output_state;
};
#if 0
struct gpio_funcs {
struct hw_gpio_pin *(*create_ddc_data)(
struct dc_context *ctx,
enum gpio_id id,
uint32_t en);
struct hw_gpio_pin *(*create_ddc_clock)(
struct dc_context *ctx,
enum gpio_id id,
uint32_t en);
struct hw_gpio_pin *(*create_generic)(
struct dc_context *ctx,
enum gpio_id id,
uint32_t en);
struct hw_gpio_pin *(*create_hpd)(
struct dc_context *ctx,
enum gpio_id id,
uint32_t en);
struct hw_gpio_pin *(*create_gpio_pad)(
struct dc_context *ctx,
enum gpio_id id,
uint32_t en);
struct hw_gpio_pin *(*create_sync)(
struct dc_context *ctx,
enum gpio_id id,
uint32_t en);
struct hw_gpio_pin *(*create_gsl)(
struct dc_context *ctx,
enum gpio_id id,
uint32_t en);
/* HW translation */
bool (*offset_to_id)(
uint32_t offset,
uint32_t mask,
enum gpio_id *id,
uint32_t *en);
bool (*id_to_offset)(
enum gpio_id id,
uint32_t en,
struct gpio_pin_info *info);
};
#endif
#endif /* __DAL_GPIO__ */
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(vorverarbeitet am 2026-10-11)
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