LXR linux/drivers/gpu/drm/amd/display/include/gpio_service

   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 ddc *dal_gpio_create_ddc(
  55        struct gpio_service *service,
  56        uint32_t offset,
  57        uint32_t mask,
  58        struct gpio_ddc_hw_info *info);
  59
  60
  61void dal_gpio_destroy_ddc(
  62        struct ddc **ddc);
  63
  64void dal_gpio_service_destroy(
  65        struct gpio_service **ptr);
  66
  67enum dc_irq_source dal_irq_get_source(
  68        const struct gpio *irq);
  69
  70enum dc_irq_source dal_irq_get_rx_source(
  71        const struct gpio *irq);
  72
  73enum gpio_result dal_irq_setup_hpd_filter(
  74        struct gpio *irq,
  75        struct gpio_hpd_config *config);
  76
  77struct gpio *dal_gpio_create_irq(
  78        struct gpio_service *service,
  79        enum gpio_id id,
  80        uint32_t en);
  81
  82void dal_gpio_destroy_irq(
  83        struct gpio **ptr);
  84
  85
  86enum gpio_result dal_ddc_open(
  87        struct ddc *ddc,
  88        enum gpio_mode mode,
  89        enum gpio_ddc_config_type config_type);
  90
  91enum gpio_result dal_ddc_change_mode(
  92        struct ddc *ddc,
  93        enum gpio_mode mode);
  94
  95enum gpio_ddc_line dal_ddc_get_line(
  96        const struct ddc *ddc);
  97
  98enum gpio_result dal_ddc_set_config(
  99        struct ddc *ddc,
 100        enum gpio_ddc_config_type config_type);
 101
 102void dal_ddc_close(
 103        struct ddc *ddc);
 104
 105#endif
 106