drivers/gpu/drm/amd/display/dc/gpio/hw_factory.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_HW_FACTORY_H__
  27 #define __DAL_HW_FACTORY_H__
  28
  29 struct hw_gpio_pin;
  30 struct hw_hpd;
  31 struct hw_ddc;
  32 struct hw_generic;
  33 struct gpio;
  34
  35 struct hw_factory {
  36         uint32_t number_of_pins[GPIO_ID_COUNT];
  37
  38         const struct hw_factory_funcs {
  39                 void (*init_ddc_data)(
  40                                 struct hw_ddc **hw_ddc,
  41                                 struct dc_context *ctx,
  42                                 enum gpio_id id,
  43                                 uint32_t en);
  44                 void (*init_generic)(
  45                                 struct hw_generic **hw_generic,
  46                                 struct dc_context *ctx,
  47                                 enum gpio_id id,
  48                                 uint32_t en);
  49                 void (*init_hpd)(
  50                                 struct hw_hpd **hw_hpd,
  51                                 struct dc_context *ctx,
  52                                 enum gpio_id id,
  53                                 uint32_t en);
  54                 struct hw_gpio_pin *(*get_hpd_pin)(
  55                                 struct gpio *gpio);
  56                 struct hw_gpio_pin *(*get_ddc_pin)(
  57                                 struct gpio *gpio);
  58                 struct hw_gpio_pin *(*get_generic_pin)(
  59                                 struct gpio *gpio);
  60                 void (*define_hpd_registers)(
  61                                 struct hw_gpio_pin *pin,
  62                                 uint32_t en);
  63                 void (*define_ddc_registers)(
  64                                 struct hw_gpio_pin *pin,
  65                                 uint32_t en);
  66                 void (*define_generic_registers)(
  67                                 struct hw_gpio_pin *pin,
  68                                 uint32_t en);
  69         } *funcs;
  70 };
  71
  72 bool dal_hw_factory_init(
  73         struct hw_factory *factory,
  74         enum dce_version dce_version,
  75         enum dce_environment dce_environment);
  76
  77 #endif