LXR linux/drivers/gpu/drm/amd/display/dc/dce60/dce60_timing

   1/*
   2 * Copyright 2020 Mauro Rossi <issor.oruam@gmail.com>
   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#include "dm_services.h"
  27
  28/* include DCE6 register header files */
  29#include "dce/dce_6_0_d.h"
  30#include "dce/dce_6_0_sh_mask.h"
  31
  32#include "dc_types.h"
  33
  34#include "include/grph_object_id.h"
  35#include "include/logger_interface.h"
  36#include "../dce110/dce110_timing_generator.h"
  37#include "dce60_timing_generator.h"
  38
  39#include "timing_generator.h"
  40
  41enum black_color_format {
  42        BLACK_COLOR_FORMAT_RGB_FULLRANGE = 0,   /* used as index in array */
  43        BLACK_COLOR_FORMAT_RGB_LIMITED,
  44        BLACK_COLOR_FORMAT_YUV_TV,
  45        BLACK_COLOR_FORMAT_YUV_CV,
  46        BLACK_COLOR_FORMAT_YUV_SUPER_AA,
  47
  48        BLACK_COLOR_FORMAT_COUNT
  49};
  50
  51static const struct dce110_timing_generator_offsets reg_offsets[] = {
  52{
  53        .crtc = (mmCRTC0_DCFE_MEM_LIGHT_SLEEP_CNTL - mmCRTC0_DCFE_MEM_LIGHT_SLEEP_CNTL),
  54        .dcp = (mmDCP0_GRPH_CONTROL - mmDCP0_GRPH_CONTROL),
  55},
  56{
  57        .crtc = (mmCRTC1_DCFE_MEM_LIGHT_SLEEP_CNTL - mmCRTC0_DCFE_MEM_LIGHT_SLEEP_CNTL),
  58        .dcp = (mmDCP1_GRPH_CONTROL - mmDCP0_GRPH_CONTROL),
  59},
  60{
  61        .crtc = (mmCRTC2_DCFE_MEM_LIGHT_SLEEP_CNTL - mmCRTC0_DCFE_MEM_LIGHT_SLEEP_CNTL),
  62        .dcp = (mmDCP2_GRPH_CONTROL - mmDCP0_GRPH_CONTROL),
  63},
  64{
  65        .crtc = (mmCRTC3_DCFE_MEM_LIGHT_SLEEP_CNTL - mmCRTC0_DCFE_MEM_LIGHT_SLEEP_CNTL),
  66        .dcp = (mmDCP3_GRPH_CONTROL - mmDCP0_GRPH_CONTROL),
  67},
  68{
  69        .crtc = (mmCRTC4_DCFE_MEM_LIGHT_SLEEP_CNTL - mmCRTC0_DCFE_MEM_LIGHT_SLEEP_CNTL),
  70        .dcp = (mmDCP4_GRPH_CONTROL - mmDCP0_GRPH_CONTROL),
  71},
  72{
  73        .crtc = (mmCRTC5_DCFE_MEM_LIGHT_SLEEP_CNTL - mmCRTC0_DCFE_MEM_LIGHT_SLEEP_CNTL),
  74        .dcp = (mmDCP5_GRPH_CONTROL - mmDCP0_GRPH_CONTROL),
  75}
  76};
  77
  78#define NUMBER_OF_FRAME_TO_WAIT_ON_TRIGGERED_RESET 10
  79
  80#define MAX_H_TOTAL (CRTC_H_TOTAL__CRTC_H_TOTAL_MASK + 1)
  81#define MAX_V_TOTAL (CRTC_V_TOTAL__CRTC_V_TOTAL_MASKhw + 1)
  82
  83#define CRTC_REG(reg) (reg + tg110->offsets.crtc)
  84#define DCP_REG(reg) (reg + tg110->offsets.dcp)
  85#define DMIF_REG(reg) (reg + tg110->offsets.dmif)
  86
  87static void program_pix_dur(struct timing_generator *tg, uint32_t pix_clk_100hz)
  88{
  89        uint64_t pix_dur;
  90        uint32_t addr = mmDMIF_PG0_DPG_PIPE_ARBITRATION_CONTROL1
  91                                        + DCE110TG_FROM_TG(tg)->offsets.dmif;
  92        uint32_t value = dm_read_reg(tg->ctx, addr);
  93
  94        if (pix_clk_100hz == 0)
  95                return;
  96
  97        pix_dur = div_u64(10000000000ull, pix_clk_100hz);
  98
  99        set_reg_field_value(
 100                value,
 101                pix_dur,
 102                DPG_PIPE_ARBITRATION_CONTROL1,
 103                PIXEL_DURATION);
 104
 105        dm_write_reg(tg->ctx, addr, value);
 106}
 107
 108static void program_timing(struct timing_generator *tg,
 109        const struct dc_crtc_timing *timing,
 110        int vready_offset,
 111        int vstartup_start,
 112        int vupdate_offset,
 113        int vupdate_width,
 114        const enum signal_type signal,
 115        bool use_vbios)
 116{
 117        if (!use_vbios)
 118                program_pix_dur(tg, timing->pix_clk_100hz);
 119
 120        dce110_tg_program_timing(tg, timing, 0, 0, 0, 0, 0, use_vbios);
 121}
 122
 123static void dce60_timing_generator_enable_advanced_request(
 124        struct timing_generator *tg,
 125        bool enable,
 126        const struct dc_crtc_timing *timing)
 127{
 128        struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg);
 129        uint32_t addr = CRTC_REG(mmCRTC_START_LINE_CONTROL);
 130        uint32_t value = dm_read_reg(tg->ctx, addr);
 131        /* DCE6 has CRTC_PREFETCH_EN bit in CRTC_CONTROL register */
 132        uint32_t addr2 = CRTC_REG(mmCRTC_CONTROL);
 133        uint32_t value2 = dm_read_reg(tg->ctx, addr2);
 134
 135        /* DCE6 does not support CRTC_LEGACY_REQUESTOR_EN bit
 136           so here is not possible to set bit based on enable argument */
 137
 138        if ((timing->v_sync_width + timing->v_front_porch) <= 3) {
 139                set_reg_field_value(
 140                        value,
 141                        3,
 142                        CRTC_START_LINE_CONTROL,
 143                        CRTC_ADVANCED_START_LINE_POSITION);
 144                set_reg_field_value(
 145                        value2,
 146                        0,
 147                        CRTC_CONTROL,
 148                        CRTC_PREFETCH_EN);
 149        } else {
 150                set_reg_field_value(
 151                        value,
 152                        4,
 153                        CRTC_START_LINE_CONTROL,
 154                        CRTC_ADVANCED_START_LINE_POSITION);
 155                set_reg_field_value(
 156                        value2,
 157                        1,
 158                        CRTC_CONTROL,
 159                        CRTC_PREFETCH_EN);
 160        }
 161
 162        set_reg_field_value(
 163                value,
 164                1,
 165                CRTC_START_LINE_CONTROL,
 166                CRTC_PROGRESSIVE_START_LINE_EARLY);
 167
 168        set_reg_field_value(
 169                value,
 170                1,
 171                CRTC_START_LINE_CONTROL,
 172                CRTC_INTERLACE_START_LINE_EARLY);
 173
 174        dm_write_reg(tg->ctx, addr, value);
 175        dm_write_reg(tg->ctx, addr2, value2);
 176}
 177
 178static bool dce60_is_tg_enabled(struct timing_generator *tg)
 179{
 180        uint32_t addr = 0;
 181        uint32_t value = 0;
 182        uint32_t field = 0;
 183        struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg);
 184
 185        addr = CRTC_REG(mmCRTC_CONTROL);
 186        value = dm_read_reg(tg->ctx, addr);
 187        field = get_reg_field_value(value, CRTC_CONTROL,
 188                                    CRTC_CURRENT_MASTER_EN_STATE);
 189        return field == 1;
 190}
 191
 192bool dce60_configure_crc(struct timing_generator *tg,
 193                          const struct crc_params *params)
 194{
 195        /* Cannot configure crc on a CRTC that is disabled */
 196        if (!dce60_is_tg_enabled(tg))
 197                return false;
 198
 199        /* DCE6 has no CRTC_CRC_CNTL register, nothing to do */
 200
 201        return true;
 202}
 203
 204static const struct timing_generator_funcs dce60_tg_funcs = {
 205                .validate_timing = dce110_tg_validate_timing,
 206                .program_timing = program_timing,
 207                .enable_crtc = dce110_timing_generator_enable_crtc,
 208                .disable_crtc = dce110_timing_generator_disable_crtc,
 209                .is_counter_moving = dce110_timing_generator_is_counter_moving,
 210                .get_position = dce110_timing_generator_get_position,
 211                .get_frame_count = dce110_timing_generator_get_vblank_counter,
 212                .get_scanoutpos = dce110_timing_generator_get_crtc_scanoutpos,
 213                .set_early_control = dce110_timing_generator_set_early_control,
 214                .wait_for_state = dce110_tg_wait_for_state,
 215                .set_blank = dce110_tg_set_blank,
 216                .is_blanked = dce110_tg_is_blanked,
 217                .set_colors = dce110_tg_set_colors,
 218                .set_overscan_blank_color =
 219                                dce110_timing_generator_set_overscan_color_black,
 220                .set_blank_color = dce110_timing_generator_program_blank_color,
 221                .disable_vga = dce110_timing_generator_disable_vga,
 222                .did_triggered_reset_occur =
 223                                dce110_timing_generator_did_triggered_reset_occur,
 224                .setup_global_swap_lock =
 225                                dce110_timing_generator_setup_global_swap_lock,
 226                .enable_reset_trigger = dce110_timing_generator_enable_reset_trigger,
 227                .disable_reset_trigger = dce110_timing_generator_disable_reset_trigger,
 228                .tear_down_global_swap_lock =
 229                                dce110_timing_generator_tear_down_global_swap_lock,
 230                .set_drr = dce110_timing_generator_set_drr,
 231                .set_static_screen_control =
 232                        dce110_timing_generator_set_static_screen_control,
 233                .set_test_pattern = dce110_timing_generator_set_test_pattern,
 234                .arm_vert_intr = dce110_arm_vert_intr,
 235
 236                /* DCE6.0 overrides */
 237                .enable_advanced_request =
 238                                dce60_timing_generator_enable_advanced_request,
 239                .configure_crc = dce60_configure_crc,
 240                .get_crc = dce110_get_crc,
 241};
 242
 243void dce60_timing_generator_construct(
 244        struct dce110_timing_generator *tg110,
 245        struct dc_context *ctx,
 246        uint32_t instance,
 247        const struct dce110_timing_generator_offsets *offsets)
 248{
 249        tg110->controller_id = CONTROLLER_ID_D0 + instance;
 250        tg110->base.inst = instance;
 251        tg110->offsets = *offsets;
 252        tg110->derived_offsets = reg_offsets[instance];
 253
 254        tg110->base.funcs = &dce60_tg_funcs;
 255
 256        tg110->base.ctx = ctx;
 257        tg110->base.bp = ctx->dc_bios;
 258
 259        tg110->max_h_total = CRTC_H_TOTAL__CRTC_H_TOTAL_MASK + 1;
 260        tg110->max_v_total = CRTC_V_TOTAL__CRTC_V_TOTAL_MASK + 1;
 261
 262        tg110->min_h_blank = 56;
 263        tg110->min_h_front_porch = 4;
 264        tg110->min_h_back_porch = 4;
 265}
 266
 267