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      1 /*	$NetBSD: hw_ddc.h,v 1.2 2021/12/18 23:45:04 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright 2012-15 Advanced Micro Devices, Inc.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the "Software"),
      8  * to deal in the Software without restriction, including without limitation
      9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     10  * and/or sell copies of the Software, and to permit persons to whom the
     11  * Software is furnished to do so, subject to the following conditions:
     12  *
     13  * The above copyright notice and this permission notice shall be included in
     14  * all copies or substantial portions of the Software.
     15  *
     16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     22  * OTHER DEALINGS IN THE SOFTWARE.
     23  *
     24  * Authors: AMD
     25  *
     26  */
     27 
     28 #ifndef __DAL_HW_DDC_H__
     29 #define __DAL_HW_DDC_H__
     30 
     31 #include "ddc_regs.h"
     32 
     33 struct hw_ddc {
     34 	struct hw_gpio base;
     35 	const struct ddc_registers *regs;
     36 	const struct ddc_sh_mask *shifts;
     37 	const struct ddc_sh_mask *masks;
     38 };
     39 
     40 #define HW_DDC_FROM_BASE(hw_gpio) \
     41 	container_of((HW_GPIO_FROM_BASE(hw_gpio)), struct hw_ddc, base)
     42 
     43 void dal_hw_ddc_init(
     44 	struct hw_ddc **hw_ddc,
     45 	struct dc_context *ctx,
     46 	enum gpio_id id,
     47 	uint32_t en);
     48 
     49 struct hw_gpio_pin *dal_hw_ddc_get_pin(struct gpio *gpio);
     50 
     51 #endif
     52