drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.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_TIMING_GENERATOR_TYPES_H__
  27 #define __DAL_TIMING_GENERATOR_TYPES_H__
  28
  29 #include "hw_shared.h"
  30
  31 struct dc_bios;
  32
  33 /* Contains CRTC vertical/horizontal pixel counters */
  34 struct crtc_position {
  35         int32_t vertical_count;
  36         int32_t horizontal_count;
  37         int32_t nominal_vcount;
  38 };
  39
  40 struct dcp_gsl_params {
  41         int gsl_group;
  42         int gsl_master;
  43 };
  44
  45 struct gsl_params {
  46         int gsl0_en;
  47         int gsl1_en;
  48         int gsl2_en;
  49         int gsl_master_en;
  50         int gsl_master_mode;
  51         int master_update_lock_gsl_en;
  52         int gsl_window_start_x;
  53         int gsl_window_end_x;
  54         int gsl_window_start_y;
  55         int gsl_window_end_y;
  56 };
  57
  58 /* define the structure of Dynamic Refresh Mode */
  59 struct drr_params {
  60         uint32_t vertical_total_min;
  61         uint32_t vertical_total_max;
  62         uint32_t vertical_total_mid;
  63         uint32_t vertical_total_mid_frame_num;
  64         bool immediate_flip;
  65 };
  66
  67 #define LEFT_EYE_3D_PRIMARY_SURFACE 1
  68 #define RIGHT_EYE_3D_PRIMARY_SURFACE 0
  69
  70 enum crtc_state {
  71         CRTC_STATE_VBLANK = 0,
  72         CRTC_STATE_VACTIVE
  73 };
  74
  75 struct vupdate_keepout_params {
  76         int start_offset;
  77         int end_offset;
  78         int enable;
  79 };
  80
  81 struct crtc_stereo_flags {
  82         uint8_t PROGRAM_STEREO         : 1;
  83         uint8_t PROGRAM_POLARITY       : 1;
  84         uint8_t RIGHT_EYE_POLARITY     : 1;
  85         uint8_t FRAME_PACKED           : 1;
  86         uint8_t DISABLE_STEREO_DP_SYNC : 1;
  87 };
  88
  89 enum crc_selection {
  90         /* Order must match values expected by hardware */
  91         UNION_WINDOW_A_B = 0,
  92         UNION_WINDOW_A_NOT_B,
  93         UNION_WINDOW_NOT_A_B,
  94         UNION_WINDOW_NOT_A_NOT_B,
  95         INTERSECT_WINDOW_A_B,
  96         INTERSECT_WINDOW_A_NOT_B,
  97         INTERSECT_WINDOW_NOT_A_B,
  98         INTERSECT_WINDOW_NOT_A_NOT_B,
  99 };
 100
 101 enum otg_out_mux_dest {
 102         OUT_MUX_DIO = 0,
 103         OUT_MUX_HPO_DP = 2,
 104 };
 105
 106 enum h_timing_div_mode {
 107         H_TIMING_NO_DIV,
 108         H_TIMING_DIV_BY2,
 109         H_TIMING_RESERVED,
 110         H_TIMING_DIV_BY4,
 111 };
 112
 113 enum timing_synchronization_type {
 114         NOT_SYNCHRONIZABLE,
 115         TIMING_SYNCHRONIZABLE,
 116         VBLANK_SYNCHRONIZABLE
 117 };
 118
 119 struct crc_params {
 120         /* Regions used to calculate CRC*/
 121         uint16_t windowa_x_start;
 122         uint16_t windowa_x_end;
 123         uint16_t windowa_y_start;
 124         uint16_t windowa_y_end;
 125
 126         uint16_t windowb_x_start;
 127         uint16_t windowb_x_end;
 128         uint16_t windowb_y_start;
 129         uint16_t windowb_y_end;
 130
 131         enum crc_selection selection;
 132
 133         uint8_t dsc_mode;
 134         uint8_t odm_mode;
 135
 136         bool continuous_mode;
 137         bool enable;
 138 };
 139
 140 /**
 141  * struct timing_generator - Entry point to Output Timing Generator feature.
 142  */
 143 struct timing_generator {
 144         /**
 145          * @funcs: Timing generator control functions
 146          */
 147         const struct timing_generator_funcs *funcs;
 148         struct dc_bios *bp;
 149         struct dc_context *ctx;
 150         int inst;
 151 };
 152
 153 struct dc_crtc_timing;
 154
 155 struct drr_params;
 156
 157 /**
 158  * struct timing_generator_funcs - Control timing generator on a given device.
 159  */
 160 struct timing_generator_funcs {
 161         bool (*validate_timing)(struct timing_generator *tg,
 162                                                         const struct dc_crtc_timing *timing);
 163         void (*program_timing)(struct timing_generator *tg,
 164                                                         const struct dc_crtc_timing *timing,
 165                                                         int vready_offset,
 166                                                         int vstartup_start,
 167                                                         int vupdate_offset,
 168                                                         int vupdate_width,
 169                                                         const enum signal_type signal,
 170                                                         bool use_vbios
 171         );
 172         void (*setup_vertical_interrupt0)(
 173                         struct timing_generator *optc,
 174                         uint32_t start_line,
 175                         uint32_t end_line);
 176         void (*setup_vertical_interrupt1)(
 177                         struct timing_generator *optc,
 178                         uint32_t start_line);
 179         void (*setup_vertical_interrupt2)(
 180                         struct timing_generator *optc,
 181                         uint32_t start_line);
 182
 183         bool (*enable_crtc)(struct timing_generator *tg);
 184         bool (*disable_crtc)(struct timing_generator *tg);
 185 #ifdef CONFIG_DRM_AMD_DC_DCN
 186         void (*phantom_crtc_post_enable)(struct timing_generator *tg);
 187 #endif
 188         bool (*immediate_disable_crtc)(struct timing_generator *tg);
 189         bool (*is_counter_moving)(struct timing_generator *tg);
 190         void (*get_position)(struct timing_generator *tg,
 191                                 struct crtc_position *position);
 192
 193         uint32_t (*get_frame_count)(struct timing_generator *tg);
 194         void (*get_scanoutpos)(
 195                 struct timing_generator *tg,
 196                 uint32_t *v_blank_start,
 197                 uint32_t *v_blank_end,
 198                 uint32_t *h_position,
 199                 uint32_t *v_position);
 200         bool (*get_otg_active_size)(struct timing_generator *optc,
 201                         uint32_t *otg_active_width,
 202                         uint32_t *otg_active_height);
 203         bool (*is_matching_timing)(struct timing_generator *tg,
 204                         const struct dc_crtc_timing *otg_timing);
 205         void (*set_early_control)(struct timing_generator *tg,
 206                                                            uint32_t early_cntl);
 207         void (*wait_for_state)(struct timing_generator *tg,
 208                                                         enum crtc_state state);
 209         void (*set_blank)(struct timing_generator *tg,
 210                                         bool enable_blanking);
 211         bool (*is_blanked)(struct timing_generator *tg);
 212         void (*set_overscan_blank_color) (struct timing_generator *tg, const struct tg_color *color);
 213         void (*set_blank_color)(struct timing_generator *tg, const struct tg_color *color);
 214         void (*set_colors)(struct timing_generator *tg,
 215                                                 const struct tg_color *blank_color,
 216                                                 const struct tg_color *overscan_color);
 217
 218         void (*disable_vga)(struct timing_generator *tg);
 219         bool (*did_triggered_reset_occur)(struct timing_generator *tg);
 220         void (*setup_global_swap_lock)(struct timing_generator *tg,
 221                                                         const struct dcp_gsl_params *gsl_params);
 222         void (*unlock)(struct timing_generator *tg);
 223         void (*lock)(struct timing_generator *tg);
 224         void (*lock_doublebuffer_disable)(struct timing_generator *tg);
 225         void (*lock_doublebuffer_enable)(struct timing_generator *tg);
 226         void(*triplebuffer_unlock)(struct timing_generator *tg);
 227         void(*triplebuffer_lock)(struct timing_generator *tg);
 228         void (*enable_reset_trigger)(struct timing_generator *tg,
 229                                      int source_tg_inst);
 230         void (*enable_crtc_reset)(struct timing_generator *tg,
 231                                   int source_tg_inst,
 232                                   struct crtc_trigger_info *crtc_tp);
 233         void (*disable_reset_trigger)(struct timing_generator *tg);
 234         void (*tear_down_global_swap_lock)(struct timing_generator *tg);
 235         void (*enable_advanced_request)(struct timing_generator *tg,
 236                                         bool enable, const struct dc_crtc_timing *timing);
 237         void (*set_drr)(struct timing_generator *tg, const struct drr_params *params);
 238         void (*set_vtotal_min_max)(struct timing_generator *optc, int vtotal_min, int vtotal_max);
 239         void (*get_last_used_drr_vtotal)(struct timing_generator *optc, uint32_t *refresh_rate);
 240         void (*set_static_screen_control)(struct timing_generator *tg,
 241                                                 uint32_t event_triggers,
 242                                                 uint32_t num_frames);
 243         void (*set_test_pattern)(
 244                 struct timing_generator *tg,
 245                 enum controller_dp_test_pattern test_pattern,
 246                 enum dc_color_depth color_depth);
 247
 248         bool (*arm_vert_intr)(struct timing_generator *tg, uint8_t width);
 249
 250         void (*program_global_sync)(struct timing_generator *tg,
 251                         int vready_offset,
 252                         int vstartup_start,
 253                         int vupdate_offset,
 254                         int vupdate_width);
 255         void (*enable_optc_clock)(struct timing_generator *tg, bool enable);
 256         void (*program_stereo)(struct timing_generator *tg,
 257                 const struct dc_crtc_timing *timing, struct crtc_stereo_flags *flags);
 258         bool (*is_stereo_left_eye)(struct timing_generator *tg);
 259
 260         void (*set_blank_data_double_buffer)(struct timing_generator *tg, bool enable);
 261
 262         void (*tg_init)(struct timing_generator *tg);
 263         bool (*is_tg_enabled)(struct timing_generator *tg);
 264         bool (*is_optc_underflow_occurred)(struct timing_generator *tg);
 265         void (*clear_optc_underflow)(struct timing_generator *tg);
 266
 267         void (*set_dwb_source)(struct timing_generator *optc,
 268                 uint32_t dwb_pipe_inst);
 269
 270         void (*get_optc_source)(struct timing_generator *optc,
 271                         uint32_t *num_of_input_segments,
 272                         uint32_t *seg0_src_sel,
 273                         uint32_t *seg1_src_sel);
 274
 275         /**
 276          * Configure CRCs for the given timing generator. Return false if TG is
 277          * not on.
 278          */
 279         bool (*configure_crc)(struct timing_generator *tg,
 280                                const struct crc_params *params);
 281
 282         /**
 283          * @get_crc: Get CRCs for the given timing generator. Return false if
 284          * CRCs are not enabled (via configure_crc).
 285          */
 286         bool (*get_crc)(struct timing_generator *tg,
 287                         uint32_t *r_cr, uint32_t *g_y, uint32_t *b_cb);
 288
 289         void (*program_manual_trigger)(struct timing_generator *optc);
 290         void (*setup_manual_trigger)(struct timing_generator *optc);
 291         bool (*get_hw_timing)(struct timing_generator *optc,
 292                         struct dc_crtc_timing *hw_crtc_timing);
 293
 294         void (*set_vtg_params)(struct timing_generator *optc,
 295                         const struct dc_crtc_timing *dc_crtc_timing, bool program_fp2);
 296
 297         void (*set_dsc_config)(struct timing_generator *optc,
 298                                enum optc_dsc_mode dsc_mode,
 299                                uint32_t dsc_bytes_per_pixel,
 300                                uint32_t dsc_slice_width);
 301         void (*get_dsc_status)(struct timing_generator *optc,
 302                                         uint32_t *dsc_mode);
 303         void (*set_odm_bypass)(struct timing_generator *optc, const struct dc_crtc_timing *dc_crtc_timing);
 304         void (*set_odm_combine)(struct timing_generator *optc, int *opp_id, int opp_cnt,
 305                         struct dc_crtc_timing *timing);
 306         void (*set_h_timing_div_manual_mode)(struct timing_generator *optc, bool manual_mode);
 307         void (*set_gsl)(struct timing_generator *optc, const struct gsl_params *params);
 308         void (*set_gsl_source_select)(struct timing_generator *optc,
 309                         int group_idx,
 310                         uint32_t gsl_ready_signal);
 311         void (*set_out_mux)(struct timing_generator *tg, enum otg_out_mux_dest dest);
 312         void (*set_drr_trigger_window)(struct timing_generator *optc,
 313                         uint32_t window_start, uint32_t window_end);
 314         void (*set_vtotal_change_limit)(struct timing_generator *optc,
 315                         uint32_t limit);
 316         void (*align_vblanks)(struct timing_generator *master_optc,
 317                         struct timing_generator *slave_optc,
 318                         uint32_t master_pixel_clock_100Hz,
 319                         uint32_t slave_pixel_clock_100Hz,
 320                         uint8_t master_clock_divider,
 321                         uint8_t slave_clock_divider);
 322         bool (*validate_vmin_vmax)(struct timing_generator *optc,
 323                         int vmin, int vmax);
 324         bool (*validate_vtotal_change_limit)(struct timing_generator *optc,
 325                         uint32_t vtotal_change_limit);
 326
 327         void (*init_odm)(struct timing_generator *tg);
 328 };
 329
 330 #endif