LXR linux/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing

   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 __DC_TIMING_GENERATOR_DCE110_H__
  27#define __DC_TIMING_GENERATOR_DCE110_H__
  28
  29#include "timing_generator.h"
  30#include "../include/grph_object_id.h"
  31
  32/* GSL Sync related values */
  33
  34/* In VSync mode, after 4 units of time, master pipe will generate
  35 * flip_ready signal */
  36#define VFLIP_READY_DELAY 4
  37/* In HSync mode, after 2 units of time, master pipe will generate
  38 * flip_ready signal */
  39#define HFLIP_READY_DELAY 2
  40/* 6 lines delay between forcing flip and checking all pipes ready */
  41#define HFLIP_CHECK_DELAY 6
  42/* 3 lines before end of frame */
  43#define FLIP_READY_BACK_LOOKUP 3
  44
  45/* Trigger Source Select - ASIC-defendant, actual values for the
  46 * register programming */
  47enum trigger_source_select {
  48        TRIGGER_SOURCE_SELECT_LOGIC_ZERO = 0,
  49        TRIGGER_SOURCE_SELECT_CRTC_VSYNCA = 1,
  50        TRIGGER_SOURCE_SELECT_CRTC_HSYNCA = 2,
  51        TRIGGER_SOURCE_SELECT_CRTC_VSYNCB = 3,
  52        TRIGGER_SOURCE_SELECT_CRTC_HSYNCB = 4,
  53        TRIGGER_SOURCE_SELECT_GENERICF = 5,
  54        TRIGGER_SOURCE_SELECT_GENERICE = 6,
  55        TRIGGER_SOURCE_SELECT_VSYNCA = 7,
  56        TRIGGER_SOURCE_SELECT_HSYNCA = 8,
  57        TRIGGER_SOURCE_SELECT_VSYNCB = 9,
  58        TRIGGER_SOURCE_SELECT_HSYNCB = 10,
  59        TRIGGER_SOURCE_SELECT_HPD1 = 11,
  60        TRIGGER_SOURCE_SELECT_HPD2 = 12,
  61        TRIGGER_SOURCE_SELECT_GENERICD = 13,
  62        TRIGGER_SOURCE_SELECT_GENERICC = 14,
  63        TRIGGER_SOURCE_SELECT_VIDEO_CAPTURE = 15,
  64        TRIGGER_SOURCE_SELECT_GSL_GROUP0 = 16,
  65        TRIGGER_SOURCE_SELECT_GSL_GROUP1 = 17,
  66        TRIGGER_SOURCE_SELECT_GSL_GROUP2 = 18,
  67        TRIGGER_SOURCE_SELECT_BLONY = 19,
  68        TRIGGER_SOURCE_SELECT_GENERICA = 20,
  69        TRIGGER_SOURCE_SELECT_GENERICB = 21,
  70        TRIGGER_SOURCE_SELECT_GSL_ALLOW_FLIP = 22,
  71        TRIGGER_SOURCE_SELECT_MANUAL_TRIGGER = 23
  72};
  73
  74/* Trigger Source Select - ASIC-dependant, actual values for the
  75 * register programming */
  76enum trigger_polarity_select {
  77        TRIGGER_POLARITY_SELECT_LOGIC_ZERO = 0,
  78        TRIGGER_POLARITY_SELECT_CRTC = 1,
  79        TRIGGER_POLARITY_SELECT_GENERICA = 2,
  80        TRIGGER_POLARITY_SELECT_GENERICB = 3,
  81        TRIGGER_POLARITY_SELECT_HSYNCA = 4,
  82        TRIGGER_POLARITY_SELECT_HSYNCB = 5,
  83        TRIGGER_POLARITY_SELECT_VIDEO_CAPTURE = 6,
  84        TRIGGER_POLARITY_SELECT_GENERICC = 7
  85};
  86
  87
  88struct dce110_timing_generator_offsets {
  89        int32_t crtc;
  90        int32_t dcp;
  91
  92        /* DCE80 use only */
  93        int32_t dmif;
  94};
  95
  96struct dce110_timing_generator {
  97        struct timing_generator base;
  98        struct dce110_timing_generator_offsets offsets;
  99        struct dce110_timing_generator_offsets derived_offsets;
 100
 101        enum controller_id controller_id;
 102
 103        uint32_t max_h_total;
 104        uint32_t max_v_total;
 105
 106        uint32_t min_h_blank;
 107        uint32_t min_h_front_porch;
 108        uint32_t min_h_back_porch;
 109
 110        /* DCE 12 */
 111        uint32_t min_h_sync_width;
 112        uint32_t min_v_sync_width;
 113        uint32_t min_v_blank;
 114
 115};
 116
 117#define DCE110TG_FROM_TG(tg)\
 118        container_of(tg, struct dce110_timing_generator, base)
 119
 120void dce110_timing_generator_construct(
 121        struct dce110_timing_generator *tg,
 122        struct dc_context *ctx,
 123        uint32_t instance,
 124        const struct dce110_timing_generator_offsets *offsets);
 125
 126/* determine if given timing can be supported by TG */
 127bool dce110_timing_generator_validate_timing(
 128        struct timing_generator *tg,
 129        const struct dc_crtc_timing *timing,
 130        enum signal_type signal);
 131
 132/******** HW programming ************/
 133
 134/* Program timing generator with given timing */
 135bool dce110_timing_generator_program_timing_generator(
 136        struct timing_generator *tg,
 137        const struct dc_crtc_timing *dc_crtc_timing);
 138
 139/* Disable/Enable Timing Generator */
 140bool dce110_timing_generator_enable_crtc(struct timing_generator *tg);
 141bool dce110_timing_generator_disable_crtc(struct timing_generator *tg);
 142
 143void dce110_timing_generator_set_early_control(
 144                struct timing_generator *tg,
 145                uint32_t early_cntl);
 146
 147/**************** TG current status ******************/
 148
 149/* return the current frame counter. Used by Linux kernel DRM */
 150uint32_t dce110_timing_generator_get_vblank_counter(
 151                struct timing_generator *tg);
 152
 153void dce110_timing_generator_get_position(
 154        struct timing_generator *tg,
 155        struct crtc_position *position);
 156
 157/* return true if TG counter is moving. false if TG is stopped */
 158bool dce110_timing_generator_is_counter_moving(struct timing_generator *tg);
 159
 160/* wait until TG is in beginning of vertical blank region */
 161void dce110_timing_generator_wait_for_vblank(struct timing_generator *tg);
 162
 163/* wait until TG is in beginning of active region */
 164void dce110_timing_generator_wait_for_vactive(struct timing_generator *tg);
 165
 166/*********** Timing Generator Synchronization routines ****/
 167
 168/* Setups Global Swap Lock group, TimingServer or TimingClient*/
 169void dce110_timing_generator_setup_global_swap_lock(
 170        struct timing_generator *tg,
 171        const struct dcp_gsl_params *gsl_params);
 172
 173/* Clear all the register writes done by setup_global_swap_lock */
 174void dce110_timing_generator_tear_down_global_swap_lock(
 175        struct timing_generator *tg);
 176
 177/* Reset crtc position on master VSync */
 178void dce110_timing_generator_enable_crtc_reset(
 179        struct timing_generator *tg,
 180        int source,
 181        struct crtc_trigger_info *crtc_tp);
 182
 183/* Reset slave controllers on master VSync */
 184void dce110_timing_generator_enable_reset_trigger(
 185        struct timing_generator *tg,
 186        int source);
 187
 188/* disabling trigger-reset */
 189void dce110_timing_generator_disable_reset_trigger(
 190        struct timing_generator *tg);
 191
 192/* Checks whether CRTC triggered reset occurred */
 193bool dce110_timing_generator_did_triggered_reset_occur(
 194        struct timing_generator *tg);
 195
 196/******** Stuff to move to other virtual HW objects *****************/
 197/* Move to enable accelerated mode */
 198void dce110_timing_generator_disable_vga(struct timing_generator *tg);
 199/* TODO: Should we move it to transform */
 200/* Fully program CRTC timing in timing generator */
 201void dce110_timing_generator_program_blanking(
 202        struct timing_generator *tg,
 203        const struct dc_crtc_timing *timing);
 204
 205/* TODO: Should we move it to opp? */
 206/* Combine with below and move YUV/RGB color conversion to SW layer */
 207void dce110_timing_generator_program_blank_color(
 208        struct timing_generator *tg,
 209        const struct tg_color *black_color);
 210/* Combine with above and move YUV/RGB color conversion to SW layer */
 211void dce110_timing_generator_set_overscan_color_black(
 212        struct timing_generator *tg,
 213        const struct tg_color *color);
 214void dce110_timing_generator_color_space_to_black_color(
 215                enum dc_color_space colorspace,
 216        struct tg_color *black_color);
 217/*************** End-of-move ********************/
 218
 219/* Not called yet */
 220void dce110_timing_generator_set_test_pattern(
 221        struct timing_generator *tg,
 222        /* TODO: replace 'controller_dp_test_pattern' by 'test_pattern_mode'
 223         * because this is not DP-specific (which is probably somewhere in DP
 224         * encoder) */
 225        enum controller_dp_test_pattern test_pattern,
 226        enum dc_color_depth color_depth);
 227
 228void dce110_timing_generator_set_drr(
 229        struct timing_generator *tg,
 230        const struct drr_params *params);
 231
 232void dce110_timing_generator_set_static_screen_control(
 233        struct timing_generator *tg,
 234        uint32_t value);
 235
 236void dce110_timing_generator_get_crtc_scanoutpos(
 237        struct timing_generator *tg,
 238        uint32_t *v_blank_start,
 239        uint32_t *v_blank_end,
 240        uint32_t *h_position,
 241        uint32_t *v_position);
 242
 243void dce110_timing_generator_enable_advanced_request(
 244        struct timing_generator *tg,
 245        bool enable,
 246        const struct dc_crtc_timing *timing);
 247
 248void dce110_timing_generator_set_lock_master(struct timing_generator *tg,
 249                bool lock);
 250
 251void dce110_tg_program_blank_color(struct timing_generator *tg,
 252        const struct tg_color *black_color);
 253
 254void dce110_tg_set_overscan_color(struct timing_generator *tg,
 255        const struct tg_color *overscan_color);
 256
 257void dce110_tg_program_timing(struct timing_generator *tg,
 258        const struct dc_crtc_timing *timing,
 259        bool use_vbios);
 260
 261bool dce110_tg_is_blanked(struct timing_generator *tg);
 262
 263void dce110_tg_set_blank(struct timing_generator *tg,
 264                bool enable_blanking);
 265
 266bool dce110_tg_validate_timing(struct timing_generator *tg,
 267        const struct dc_crtc_timing *timing);
 268
 269void dce110_tg_wait_for_state(struct timing_generator *tg,
 270        enum crtc_state state);
 271
 272void dce110_tg_set_colors(struct timing_generator *tg,
 273        const struct tg_color *blank_color,
 274        const struct tg_color *overscan_color);
 275
 276bool dce110_arm_vert_intr(
 277                struct timing_generator *tg, uint8_t width);
 278
 279bool dce110_configure_crc(struct timing_generator *tg,
 280                          const struct crc_params *params);
 281
 282bool dce110_get_crc(struct timing_generator *tg,
 283                    uint32_t *r_cr, uint32_t *g_y, uint32_t *b_cb);
 284
 285#endif /* __DC_TIMING_GENERATOR_DCE110_H__ */
 286