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/*
* 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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