linux/drivers/gpu/drm/amd/display/dc/inc/hw/gpio.h
Harry Wentland 4562236b3b drm/amd/dc: Add dc display driver (v2)
Supported DCE versions: 8.0, 10.0, 11.0, 11.2

v2: rebase against 4.11

Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-09-26 17:01:32 -04:00

87 lines
2.4 KiB
C

/*
* 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"
struct gpio {
struct gpio_service *service;
struct hw_gpio_pin *pin;
enum gpio_id id;
uint32_t en;
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__ */