cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

gpio.h (2581B)

      1/*
      2 * Copyright 2012-16 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_GPIO_H__
     27#define __DAL_GPIO_H__
     28
     29#include "gpio_types.h"
     30
     31
     32union gpio_hw_container {
     33	struct hw_ddc *ddc;
     34	struct hw_generic *generic;
     35	struct hw_hpd *hpd;
     36};
     37
     38struct gpio {
     39	struct gpio_service *service;
     40	struct hw_gpio_pin *pin;
     41	enum gpio_id id;
     42	uint32_t en;
     43
     44	union gpio_hw_container hw_container;
     45	enum gpio_mode mode;
     46
     47	/* when GPIO comes from VBIOS, it has defined output state */
     48	enum gpio_pin_output_state output_state;
     49};
     50
     51#if 0
     52struct gpio_funcs {
     53
     54	struct hw_gpio_pin *(*create_ddc_data)(
     55		struct dc_context *ctx,
     56		enum gpio_id id,
     57		uint32_t en);
     58	struct hw_gpio_pin *(*create_ddc_clock)(
     59		struct dc_context *ctx,
     60		enum gpio_id id,
     61		uint32_t en);
     62	struct hw_gpio_pin *(*create_generic)(
     63		struct dc_context *ctx,
     64		enum gpio_id id,
     65		uint32_t en);
     66	struct hw_gpio_pin *(*create_hpd)(
     67		struct dc_context *ctx,
     68		enum gpio_id id,
     69		uint32_t en);
     70	struct hw_gpio_pin *(*create_gpio_pad)(
     71		struct dc_context *ctx,
     72		enum gpio_id id,
     73		uint32_t en);
     74	struct hw_gpio_pin *(*create_sync)(
     75		struct dc_context *ctx,
     76		enum gpio_id id,
     77		uint32_t en);
     78	struct hw_gpio_pin *(*create_gsl)(
     79		struct dc_context *ctx,
     80		enum gpio_id id,
     81		uint32_t en);
     82
     83	/* HW translation */
     84	bool (*offset_to_id)(
     85		uint32_t offset,
     86		uint32_t mask,
     87		enum gpio_id *id,
     88		uint32_t *en);
     89	bool (*id_to_offset)(
     90		enum gpio_id id,
     91		uint32_t en,
     92		struct gpio_pin_info *info);
     93};
     94#endif
     95
     96#endif  /* __DAL_GPIO__ */