root/drivers/gpu/drm/amd/display/dc/dc_bios_types.h

INCLUDED FROM

   1 /*
   2  * Copyright 2016 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 DC_BIOS_TYPES_H
  27 #define DC_BIOS_TYPES_H
  28 
  29 /******************************************************************************
  30  * Interface file for VBIOS implementations.
  31  *
  32  * The default implementation is inside DC.
  33  * Display Manager (which instantiates DC) has the option to supply it's own
  34  * (external to DC) implementation of VBIOS, which will be called by DC, using
  35  * this interface.
  36  * (The intended use is Diagnostics, but other uses may appear.)
  37  *****************************************************************************/
  38 
  39 #include "include/bios_parser_types.h"
  40 
  41 struct dc_vbios_funcs {
  42         uint8_t (*get_connectors_number)(struct dc_bios *bios);
  43 
  44         struct graphics_object_id (*get_connector_id)(
  45                 struct dc_bios *bios,
  46                 uint8_t connector_index);
  47         enum bp_result (*get_src_obj)(
  48                 struct dc_bios *bios,
  49                 struct graphics_object_id object_id, uint32_t index,
  50                 struct graphics_object_id *src_object_id);
  51         enum bp_result (*get_i2c_info)(
  52                 struct dc_bios *dcb,
  53                 struct graphics_object_id id,
  54                 struct graphics_object_i2c_info *info);
  55         enum bp_result (*get_hpd_info)(
  56                 struct dc_bios *bios,
  57                 struct graphics_object_id id,
  58                 struct graphics_object_hpd_info *info);
  59         enum bp_result (*get_device_tag)(
  60                 struct dc_bios *bios,
  61                 struct graphics_object_id connector_object_id,
  62                 uint32_t device_tag_index,
  63                 struct connector_device_tag_info *info);
  64         enum bp_result (*get_spread_spectrum_info)(
  65                 struct dc_bios *bios,
  66                 enum as_signal_type signal,
  67                 uint32_t index,
  68                 struct spread_spectrum_info *ss_info);
  69         uint32_t (*get_ss_entry_number)(
  70                 struct dc_bios *bios,
  71                 enum as_signal_type signal);
  72         enum bp_result (*get_embedded_panel_info)(
  73                 struct dc_bios *bios,
  74                 struct embedded_panel_info *info);
  75         enum bp_result (*get_gpio_pin_info)(
  76                 struct dc_bios *bios,
  77                 uint32_t gpio_id,
  78                 struct gpio_pin_info *info);
  79         enum bp_result (*get_encoder_cap_info)(
  80                 struct dc_bios *bios,
  81                 struct graphics_object_id object_id,
  82                 struct bp_encoder_cap_info *info);
  83 
  84         bool (*is_accelerated_mode)(
  85                 struct dc_bios *bios);
  86         void (*set_scratch_critical_state)(
  87                 struct dc_bios *bios,
  88                 bool state);
  89         bool (*is_device_id_supported)(
  90                 struct dc_bios *bios,
  91                 struct device_id id);
  92 
  93         /* COMMANDS */
  94 
  95         enum bp_result (*encoder_control)(
  96                 struct dc_bios *bios,
  97                 struct bp_encoder_control *cntl);
  98         enum bp_result (*transmitter_control)(
  99                 struct dc_bios *bios,
 100                 struct bp_transmitter_control *cntl);
 101         enum bp_result (*enable_crtc)(
 102                 struct dc_bios *bios,
 103                 enum controller_id id,
 104                 bool enable);
 105         enum bp_result (*adjust_pixel_clock)(
 106                 struct dc_bios *bios,
 107                 struct bp_adjust_pixel_clock_parameters *bp_params);
 108         enum bp_result (*set_pixel_clock)(
 109                 struct dc_bios *bios,
 110                 struct bp_pixel_clock_parameters *bp_params);
 111         enum bp_result (*set_dce_clock)(
 112                 struct dc_bios *bios,
 113                 struct bp_set_dce_clock_parameters *bp_params);
 114         enum bp_result (*enable_spread_spectrum_on_ppll)(
 115                 struct dc_bios *bios,
 116                 struct bp_spread_spectrum_parameters *bp_params,
 117                 bool enable);
 118         enum bp_result (*program_crtc_timing)(
 119                 struct dc_bios *bios,
 120                 struct bp_hw_crtc_timing_parameters *bp_params);
 121         enum bp_result (*program_display_engine_pll)(
 122                 struct dc_bios *bios,
 123                 struct bp_pixel_clock_parameters *bp_params);
 124         enum bp_result (*enable_disp_power_gating)(
 125                 struct dc_bios *bios,
 126                 enum controller_id controller_id,
 127                 enum bp_pipe_control_action action);
 128 
 129         void (*bios_parser_destroy)(struct dc_bios **dcb);
 130 
 131         enum bp_result (*get_board_layout_info)(
 132                 struct dc_bios *dcb,
 133                 struct board_layout_info *board_layout_info);
 134 };
 135 
 136 struct bios_registers {
 137         uint32_t BIOS_SCRATCH_3;
 138         uint32_t BIOS_SCRATCH_6;
 139 };
 140 
 141 struct dc_bios {
 142         const struct dc_vbios_funcs *funcs;
 143 
 144         uint8_t *bios;
 145         uint32_t bios_size;
 146 
 147         uint8_t *bios_local_image;
 148 
 149         struct dc_context *ctx;
 150         const struct bios_registers *regs;
 151         struct integrated_info *integrated_info;
 152         struct dc_firmware_info fw_info;
 153         bool fw_info_valid;
 154 };
 155 
 156 #endif /* DC_BIOS_TYPES_H */