drivers/gpu/drm/amd/display/include/gpio_service_interface.h

   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
  33 struct gpio_service;
  34
  35 struct 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
  41 void dal_gpio_destroy(
  42         struct gpio **ptr);
  43
  44 struct 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
  49 struct gpio *dal_gpio_service_create_irq(
  50         struct gpio_service *service,
  51         uint32_t offset,
  52         uint32_t mask);
  53
  54 struct gpio *dal_gpio_service_create_generic_mux(
  55         struct gpio_service *service,
  56         uint32_t offset,
  57         uint32_t mask);
  58
  59 void dal_gpio_destroy_generic_mux(
  60         struct gpio **mux);
  61
  62 enum gpio_result dal_mux_setup_config(
  63         struct gpio *mux,
  64         struct gpio_generic_mux_config *config);
  65
  66 struct gpio_pin_info dal_gpio_get_generic_pin_info(
  67         struct gpio_service *service,
  68         enum gpio_id id,
  69         uint32_t en);
  70
  71 struct 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
  77 void dal_gpio_destroy_ddc(
  78         struct ddc **ddc);
  79
  80 void dal_gpio_service_destroy(
  81         struct gpio_service **ptr);
  82
  83 enum dc_irq_source dal_irq_get_source(
  84         const struct gpio *irq);
  85
  86 enum dc_irq_source dal_irq_get_rx_source(
  87         const struct gpio *irq);
  88
  89 enum gpio_result dal_irq_setup_hpd_filter(
  90         struct gpio *irq,
  91         struct gpio_hpd_config *config);
  92
  93 struct gpio *dal_gpio_create_irq(
  94         struct gpio_service *service,
  95         enum gpio_id id,
  96         uint32_t en);
  97
  98 void dal_gpio_destroy_irq(
  99         struct gpio **ptr);
 100
 101
 102 enum gpio_result dal_ddc_open(
 103         struct ddc *ddc,
 104         enum gpio_mode mode,
 105         enum gpio_ddc_config_type config_type);
 106
 107 enum gpio_result dal_ddc_change_mode(
 108         struct ddc *ddc,
 109         enum gpio_mode mode);
 110
 111 enum gpio_ddc_line dal_ddc_get_line(
 112         const struct ddc *ddc);
 113
 114 enum gpio_result dal_ddc_set_config(
 115         struct ddc *ddc,
 116         enum gpio_ddc_config_type config_type);
 117
 118 void dal_ddc_close(
 119         struct ddc *ddc);
 120
 121 #endif