97 lines
2.5 KiB
C
97 lines
2.5 KiB
C
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/*
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* Copyright 2012-16 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: AMD
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*
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*/
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#ifndef __DAL_GPIO_H__
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#define __DAL_GPIO_H__
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#include "gpio_types.h"
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union gpio_hw_container {
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struct hw_ddc *ddc;
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struct hw_generic *generic;
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struct hw_hpd *hpd;
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};
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struct gpio {
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struct gpio_service *service;
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struct hw_gpio_pin *pin;
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enum gpio_id id;
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uint32_t en;
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union gpio_hw_container hw_container;
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enum gpio_mode mode;
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/* when GPIO comes from VBIOS, it has defined output state */
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enum gpio_pin_output_state output_state;
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};
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#if 0
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struct gpio_funcs {
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struct hw_gpio_pin *(*create_ddc_data)(
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struct dc_context *ctx,
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enum gpio_id id,
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uint32_t en);
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struct hw_gpio_pin *(*create_ddc_clock)(
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struct dc_context *ctx,
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enum gpio_id id,
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uint32_t en);
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struct hw_gpio_pin *(*create_generic)(
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struct dc_context *ctx,
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enum gpio_id id,
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uint32_t en);
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struct hw_gpio_pin *(*create_hpd)(
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struct dc_context *ctx,
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enum gpio_id id,
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uint32_t en);
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struct hw_gpio_pin *(*create_gpio_pad)(
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struct dc_context *ctx,
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enum gpio_id id,
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uint32_t en);
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struct hw_gpio_pin *(*create_sync)(
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struct dc_context *ctx,
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enum gpio_id id,
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uint32_t en);
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struct hw_gpio_pin *(*create_gsl)(
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struct dc_context *ctx,
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enum gpio_id id,
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uint32_t en);
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/* HW translation */
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bool (*offset_to_id)(
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uint32_t offset,
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uint32_t mask,
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enum gpio_id *id,
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uint32_t *en);
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bool (*id_to_offset)(
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enum gpio_id id,
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uint32_t en,
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struct gpio_pin_info *info);
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};
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#endif
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#endif /* __DAL_GPIO__ */
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