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