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