linux/drivers/gpu/drm/amd/display/dc/inc/hw/stream_encoder.h
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   1/*
   2 * Copyright 2017 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 */
  23/*
  24 * stream_encoder.h
  25 *
  26 */
  27
  28#ifndef STREAM_ENCODER_H_
  29#define STREAM_ENCODER_H_
  30
  31#include "audio_types.h"
  32#include "hw_shared.h"
  33
  34struct dc_bios;
  35struct dc_context;
  36struct dc_crtc_timing;
  37
  38enum dp_pixel_encoding_type {
  39        DP_PIXEL_ENCODING_TYPE_RGB444           = 0x00000000,
  40        DP_PIXEL_ENCODING_TYPE_YCBCR422         = 0x00000001,
  41        DP_PIXEL_ENCODING_TYPE_YCBCR444         = 0x00000002,
  42        DP_PIXEL_ENCODING_TYPE_RGB_WIDE_GAMUT   = 0x00000003,
  43        DP_PIXEL_ENCODING_TYPE_Y_ONLY           = 0x00000004,
  44        DP_PIXEL_ENCODING_TYPE_YCBCR420         = 0x00000005
  45};
  46
  47enum dp_component_depth {
  48        DP_COMPONENT_PIXEL_DEPTH_6BPC           = 0x00000000,
  49        DP_COMPONENT_PIXEL_DEPTH_8BPC           = 0x00000001,
  50        DP_COMPONENT_PIXEL_DEPTH_10BPC          = 0x00000002,
  51        DP_COMPONENT_PIXEL_DEPTH_12BPC          = 0x00000003,
  52        DP_COMPONENT_PIXEL_DEPTH_16BPC          = 0x00000004
  53};
  54
  55struct audio_clock_info {
  56        /* pixel clock frequency*/
  57        uint32_t pixel_clock_in_10khz;
  58        /* N - 32KHz audio */
  59        uint32_t n_32khz;
  60        /* CTS - 32KHz audio*/
  61        uint32_t cts_32khz;
  62        uint32_t n_44khz;
  63        uint32_t cts_44khz;
  64        uint32_t n_48khz;
  65        uint32_t cts_48khz;
  66};
  67
  68#if defined(CONFIG_DRM_AMD_DC_DCN2_0)
  69enum dynamic_metadata_mode {
  70        dmdata_dp,
  71        dmdata_hdmi,
  72        dmdata_dolby_vision
  73};
  74#endif
  75
  76struct encoder_info_frame {
  77        /* auxiliary video information */
  78        struct dc_info_packet avi;
  79        struct dc_info_packet gamut;
  80        struct dc_info_packet vendor;
  81        struct dc_info_packet hfvsif;
  82        /* source product description */
  83        struct dc_info_packet spd;
  84        /* video stream configuration */
  85        struct dc_info_packet vsc;
  86        /* HDR Static MetaData */
  87        struct dc_info_packet hdrsmd;
  88};
  89
  90struct encoder_unblank_param {
  91        struct dc_link_settings link_settings;
  92        struct dc_crtc_timing timing;
  93#ifdef CONFIG_DRM_AMD_DC_DCN2_0
  94        bool odm;
  95#endif
  96};
  97
  98struct encoder_set_dp_phy_pattern_param {
  99        enum dp_test_pattern dp_phy_pattern;
 100        const uint8_t *custom_pattern;
 101        uint32_t custom_pattern_size;
 102        enum dp_panel_mode dp_panel_mode;
 103};
 104
 105struct stream_encoder {
 106        const struct stream_encoder_funcs *funcs;
 107        struct dc_context *ctx;
 108        struct dc_bios *bp;
 109        enum engine_id id;
 110};
 111
 112#ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
 113struct enc_state {
 114        uint32_t dsc_mode;  // DISABLED  0; 1 or 2 indicate enabled state.
 115        uint32_t dsc_slice_width;
 116        uint32_t sec_gsp_pps_line_num;
 117        uint32_t vbid6_line_reference;
 118        uint32_t vbid6_line_num;
 119        uint32_t sec_gsp_pps_enable;
 120        uint32_t sec_stream_enable;
 121};
 122#endif
 123
 124struct stream_encoder_funcs {
 125        #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
 126                void (*enc_read_state)(struct stream_encoder *enc, struct enc_state *s);
 127        #endif
 128        void (*dp_set_stream_attribute)(
 129                struct stream_encoder *enc,
 130                struct dc_crtc_timing *crtc_timing,
 131                enum dc_color_space output_color_space,
 132                uint32_t enable_sdp_splitting);
 133
 134        void (*hdmi_set_stream_attribute)(
 135                struct stream_encoder *enc,
 136                struct dc_crtc_timing *crtc_timing,
 137                int actual_pix_clk_khz,
 138                bool enable_audio);
 139
 140        void (*dvi_set_stream_attribute)(
 141                struct stream_encoder *enc,
 142                struct dc_crtc_timing *crtc_timing,
 143                bool is_dual_link);
 144
 145        void (*lvds_set_stream_attribute)(
 146                struct stream_encoder *enc,
 147                struct dc_crtc_timing *crtc_timing);
 148
 149        void (*set_mst_bandwidth)(
 150                struct stream_encoder *enc,
 151                struct fixed31_32 avg_time_slots_per_mtp);
 152
 153        void (*update_hdmi_info_packets)(
 154                struct stream_encoder *enc,
 155                const struct encoder_info_frame *info_frame);
 156
 157        void (*stop_hdmi_info_packets)(
 158                struct stream_encoder *enc);
 159
 160        void (*update_dp_info_packets)(
 161                struct stream_encoder *enc,
 162                const struct encoder_info_frame *info_frame);
 163
 164        void (*send_immediate_sdp_message)(
 165                                struct stream_encoder *enc,
 166                                const uint8_t *custom_sdp_message,
 167                                unsigned int sdp_message_size);
 168
 169        void (*stop_dp_info_packets)(
 170                struct stream_encoder *enc);
 171
 172        void (*dp_blank)(
 173                struct stream_encoder *enc);
 174
 175        void (*dp_unblank)(
 176                struct stream_encoder *enc,
 177                const struct encoder_unblank_param *param);
 178
 179        void (*audio_mute_control)(
 180                struct stream_encoder *enc, bool mute);
 181
 182        void (*dp_audio_setup)(
 183                struct stream_encoder *enc,
 184                unsigned int az_inst,
 185                struct audio_info *info);
 186
 187        void (*dp_audio_enable) (
 188                        struct stream_encoder *enc);
 189
 190        void (*dp_audio_disable) (
 191                        struct stream_encoder *enc);
 192
 193        void (*hdmi_audio_setup)(
 194                struct stream_encoder *enc,
 195                unsigned int az_inst,
 196                struct audio_info *info,
 197                struct audio_crtc_info *audio_crtc_info);
 198
 199        void (*hdmi_audio_disable) (
 200                        struct stream_encoder *enc);
 201
 202        void (*setup_stereo_sync) (
 203                        struct stream_encoder *enc,
 204                        int tg_inst,
 205                        bool enable);
 206
 207        void (*set_avmute)(
 208                struct stream_encoder *enc, bool enable);
 209
 210        void (*dig_connect_to_otg)(
 211                struct stream_encoder *enc,
 212                int tg_inst);
 213
 214#if defined(CONFIG_DRM_AMD_DC_DCN2_0)
 215#ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
 216        void (*dp_set_dsc_config)(
 217                        struct stream_encoder *enc,
 218                        enum optc_dsc_mode dsc_mode,
 219                        uint32_t dsc_bytes_per_pixel,
 220                        uint32_t dsc_slice_width,
 221                        uint8_t *dsc_packed_pps);
 222#endif
 223
 224        void (*set_dynamic_metadata)(struct stream_encoder *enc,
 225                        bool enable,
 226                        uint32_t hubp_requestor_id,
 227                        enum dynamic_metadata_mode dmdata_mode);
 228
 229        void (*dp_set_odm_combine)(
 230                struct stream_encoder *enc,
 231                bool odm_combine);
 232#endif
 233};
 234
 235#endif /* STREAM_ENCODER_H_ */
 236