linux/drivers/gpu/drm/amd/display/include/gpio_service_interface.h
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   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_GPIO_SERVICE_INTERFACE_H__
  27#define __DAL_GPIO_SERVICE_INTERFACE_H__
  28
  29#include "gpio_types.h"
  30#include "gpio_interface.h"
  31#include "hw/gpio.h"
  32
  33struct gpio_service;
  34
  35struct gpio *dal_gpio_create(
  36        struct gpio_service *service,
  37        enum gpio_id id,
  38        uint32_t en,
  39        enum gpio_pin_output_state output_state);
  40
  41void dal_gpio_destroy(
  42        struct gpio **ptr);
  43
  44struct gpio_service *dal_gpio_service_create(
  45        enum dce_version dce_version_major,
  46        enum dce_version dce_version_minor,
  47        struct dc_context *ctx);
  48
  49struct gpio *dal_gpio_service_create_irq(
  50        struct gpio_service *service,
  51        uint32_t offset,
  52        uint32_t mask);
  53
  54struct gpio *dal_gpio_service_create_generic_mux(
  55        struct gpio_service *service,
  56        uint32_t offset,
  57        uint32_t mask);
  58
  59void dal_gpio_destroy_generic_mux(
  60        struct gpio **mux);
  61
  62enum gpio_result dal_mux_setup_config(
  63        struct gpio *mux,
  64        struct gpio_generic_mux_config *config);
  65
  66struct gpio_pin_info dal_gpio_get_generic_pin_info(
  67        struct gpio_service *service,
  68        enum gpio_id id,
  69        uint32_t en);
  70
  71struct ddc *dal_gpio_create_ddc(
  72        struct gpio_service *service,
  73        uint32_t offset,
  74        uint32_t mask,
  75        struct gpio_ddc_hw_info *info);
  76
  77void dal_gpio_destroy_ddc(
  78        struct ddc **ddc);
  79
  80void dal_gpio_service_destroy(
  81        struct gpio_service **ptr);
  82
  83enum dc_irq_source dal_irq_get_source(
  84        const struct gpio *irq);
  85
  86enum dc_irq_source dal_irq_get_rx_source(
  87        const struct gpio *irq);
  88
  89enum gpio_result dal_irq_setup_hpd_filter(
  90        struct gpio *irq,
  91        struct gpio_hpd_config *config);
  92
  93struct gpio *dal_gpio_create_irq(
  94        struct gpio_service *service,
  95        enum gpio_id id,
  96        uint32_t en);
  97
  98void dal_gpio_destroy_irq(
  99        struct gpio **ptr);
 100
 101
 102enum gpio_result dal_ddc_open(
 103        struct ddc *ddc,
 104        enum gpio_mode mode,
 105        enum gpio_ddc_config_type config_type);
 106
 107enum gpio_result dal_ddc_change_mode(
 108        struct ddc *ddc,
 109        enum gpio_mode mode);
 110
 111enum gpio_ddc_line dal_ddc_get_line(
 112        const struct ddc *ddc);
 113
 114enum gpio_result dal_ddc_set_config(
 115        struct ddc *ddc,
 116        enum gpio_ddc_config_type config_type);
 117
 118void dal_ddc_close(
 119        struct ddc *ddc);
 120
 121#endif
 122