kernel/drivers/gpu/drm/amd/display/dc/gpio/hw_ddc.h

50 lines
1.6 KiB
C
Raw Normal View History

2024-07-22 17:22:30 +08:00
/*
* Copyright 2012-15 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_HW_DDC_H__
#define __DAL_HW_DDC_H__
#include "ddc_regs.h"
struct hw_ddc {
struct hw_gpio base;
const struct ddc_registers *regs;
const struct ddc_sh_mask *shifts;
const struct ddc_sh_mask *masks;
};
#define HW_DDC_FROM_BASE(hw_gpio) \
container_of((HW_GPIO_FROM_BASE(hw_gpio)), struct hw_ddc, base)
void dal_hw_ddc_init(
struct hw_ddc **hw_ddc,
struct dc_context *ctx,
enum gpio_id id,
uint32_t en);
struct hw_gpio_pin *dal_hw_ddc_get_pin(struct gpio *gpio);
#endif