LXR linux/drivers/gpu/drm/amd/display/dc/dc_bios

   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
  41struct 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_firmware_info)(
  65                struct dc_bios *bios,
  66                struct dc_firmware_info *info);
  67        enum bp_result (*get_spread_spectrum_info)(
  68                struct dc_bios *bios,
  69                enum as_signal_type signal,
  70                uint32_t index,
  71                struct spread_spectrum_info *ss_info);
  72        uint32_t (*get_ss_entry_number)(
  73                struct dc_bios *bios,
  74                enum as_signal_type signal);
  75        enum bp_result (*get_embedded_panel_info)(
  76                struct dc_bios *bios,
  77                struct embedded_panel_info *info);
  78        enum bp_result (*get_gpio_pin_info)(
  79                struct dc_bios *bios,
  80                uint32_t gpio_id,
  81                struct gpio_pin_info *info);
  82        enum bp_result (*get_encoder_cap_info)(
  83                struct dc_bios *bios,
  84                struct graphics_object_id object_id,
  85                struct bp_encoder_cap_info *info);
  86
  87        bool (*is_accelerated_mode)(
  88                struct dc_bios *bios);
  89        void (*set_scratch_critical_state)(
  90                struct dc_bios *bios,
  91                bool state);
  92        bool (*is_device_id_supported)(
  93                struct dc_bios *bios,
  94                struct device_id id);
  95
  96        /* COMMANDS */
  97
  98        enum bp_result (*encoder_control)(
  99                struct dc_bios *bios,
 100                struct bp_encoder_control *cntl);
 101        enum bp_result (*transmitter_control)(
 102                struct dc_bios *bios,
 103                struct bp_transmitter_control *cntl);
 104        enum bp_result (*enable_crtc)(
 105                struct dc_bios *bios,
 106                enum controller_id id,
 107                bool enable);
 108        enum bp_result (*adjust_pixel_clock)(
 109                struct dc_bios *bios,
 110                struct bp_adjust_pixel_clock_parameters *bp_params);
 111        enum bp_result (*set_pixel_clock)(
 112                struct dc_bios *bios,
 113                struct bp_pixel_clock_parameters *bp_params);
 114        enum bp_result (*set_dce_clock)(
 115                struct dc_bios *bios,
 116                struct bp_set_dce_clock_parameters *bp_params);
 117        enum bp_result (*enable_spread_spectrum_on_ppll)(
 118                struct dc_bios *bios,
 119                struct bp_spread_spectrum_parameters *bp_params,
 120                bool enable);
 121        enum bp_result (*program_crtc_timing)(
 122                struct dc_bios *bios,
 123                struct bp_hw_crtc_timing_parameters *bp_params);
 124        enum bp_result (*program_display_engine_pll)(
 125                struct dc_bios *bios,
 126                struct bp_pixel_clock_parameters *bp_params);
 127        enum bp_result (*enable_disp_power_gating)(
 128                struct dc_bios *bios,
 129                enum controller_id controller_id,
 130                enum bp_pipe_control_action action);
 131
 132        void (*bios_parser_destroy)(struct dc_bios **dcb);
 133
 134        enum bp_result (*get_board_layout_info)(
 135                struct dc_bios *dcb,
 136                struct board_layout_info *board_layout_info);
 137};
 138
 139struct bios_registers {
 140        uint32_t BIOS_SCRATCH_3;
 141        uint32_t BIOS_SCRATCH_6;
 142};
 143
 144struct dc_bios {
 145        const struct dc_vbios_funcs *funcs;
 146
 147        uint8_t *bios;
 148        uint32_t bios_size;
 149
 150        uint8_t *bios_local_image;
 151
 152        struct dc_context *ctx;
 153        const struct bios_registers *regs;
 154        struct integrated_info *integrated_info;
 155};
 156
 157#endif /* DC_BIOS_TYPES_H */
 158