1 /* SPDX-License-Identifier: MIT */ 2 /* 3 * Copyright 2023 Advanced Micro Devices, Inc. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the "Software"), 7 * to deal in the Software without restriction, including without limitation 8 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 9 * and/or sell copies of the Software, and to permit persons to whom the 10 * Software is furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice shall be included in 13 * all copies or substantial portions of the Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 21 * OTHER DEALINGS IN THE SOFTWARE. 22 * 23 * Authors: AMD 24 * 25 */ 26 27 /** 28 * DOC: overview 29 * 30 * Output Pipe Timing Combiner (OPTC) includes two major functional blocks: 31 * Output Data Mapper (ODM) and Output Timing Generator (OTG). 32 * 33 * - ODM: It is Output Data Mapping block. It can combine input data from 34 * multiple OPP data pipes into one single data stream or split data from one 35 * OPP data pipe into multiple data streams or just bypass OPP data to DIO. 36 * - OTG: It is Output Timing Generator. It generates display timing signals to 37 * drive the display output. 38 */ 39 40 #ifndef __DC_OPTC_H__ 41 #define __DC_OPTC_H__ 42 43 #include "timing_generator.h" 44 45 struct optc { 46 struct timing_generator base; 47 48 const struct dcn_optc_registers *tg_regs; 49 const struct dcn_optc_shift *tg_shift; 50 const struct dcn_optc_mask *tg_mask; 51 52 int opp_count; 53 54 uint32_t max_h_total; 55 uint32_t max_v_total; 56 57 uint32_t min_h_blank; 58 59 uint32_t min_h_sync_width; 60 uint32_t min_v_sync_width; 61 uint32_t min_v_blank; 62 uint32_t min_v_blank_interlace; 63 64 int vstartup_start; 65 int vupdate_offset; 66 int vupdate_width; 67 int vready_offset; 68 int pstate_keepout; 69 struct dc_crtc_timing orginal_patched_timing; 70 enum signal_type signal; 71 uint32_t max_frame_count; 72 }; 73 74 void optc1_read_otg_state(struct timing_generator *optc, struct dcn_otg_state *s); 75 76 bool optc1_get_hw_timing(struct timing_generator *tg, struct dc_crtc_timing *hw_crtc_timing); 77 78 bool optc1_validate_timing(struct timing_generator *optc, 79 const struct dc_crtc_timing *timing); 80 81 void optc1_program_timing(struct timing_generator *optc, 82 const struct dc_crtc_timing *dc_crtc_timing, 83 int vready_offset, 84 int vstartup_start, 85 int vupdate_offset, 86 int vupdate_width, 87 int pstate_keepout, 88 const enum signal_type signal, 89 bool use_vbios); 90 91 void optc1_setup_vertical_interrupt0(struct timing_generator *optc, 92 uint32_t start_line, 93 uint32_t end_line); 94 95 void optc1_setup_vertical_interrupt1(struct timing_generator *optc, 96 uint32_t start_line); 97 98 void optc1_setup_vertical_interrupt2(struct timing_generator *optc, 99 uint32_t start_line); 100 101 void optc1_program_global_sync(struct timing_generator *optc, 102 int vready_offset, 103 int vstartup_start, 104 int vupdate_offset, 105 int vupdate_width, 106 int pstate_keepout); 107 108 bool optc1_disable_crtc(struct timing_generator *optc); 109 110 bool optc1_is_counter_moving(struct timing_generator *optc); 111 112 void optc1_get_position(struct timing_generator *optc, 113 struct crtc_position *position); 114 115 uint32_t optc1_get_vblank_counter(struct timing_generator *optc); 116 117 void optc1_get_crtc_scanoutpos(struct timing_generator *optc, 118 uint32_t *v_blank_start, 119 uint32_t *v_blank_end, 120 uint32_t *h_position, 121 uint32_t *v_position); 122 123 void optc1_set_early_control(struct timing_generator *optc, 124 uint32_t early_cntl); 125 126 void optc1_wait_for_state(struct timing_generator *optc, 127 enum crtc_state state); 128 129 void optc1_set_blank(struct timing_generator *optc, 130 bool enable_blanking); 131 132 bool optc1_is_blanked(struct timing_generator *optc); 133 134 void optc1_program_blank_color(struct timing_generator *optc, 135 const struct tg_color *black_color); 136 137 bool optc1_did_triggered_reset_occur(struct timing_generator *optc); 138 139 void optc1_enable_reset_trigger(struct timing_generator *optc, int source_tg_inst); 140 141 void optc1_disable_reset_trigger(struct timing_generator *optc); 142 143 void optc1_lock(struct timing_generator *optc); 144 145 void optc1_unlock(struct timing_generator *optc); 146 147 void optc1_enable_optc_clock(struct timing_generator *optc, bool enable); 148 149 void optc1_set_drr(struct timing_generator *optc, 150 const struct drr_params *params); 151 152 void optc1_set_vtotal_min_max(struct timing_generator *optc, int vtotal_min, int vtotal_max); 153 154 void optc1_set_static_screen_control(struct timing_generator *optc, 155 uint32_t event_triggers, 156 uint32_t num_frames); 157 158 void optc1_program_stereo(struct timing_generator *optc, 159 const struct dc_crtc_timing *timing, 160 struct crtc_stereo_flags *flags); 161 162 bool optc1_is_stereo_left_eye(struct timing_generator *optc); 163 164 void optc1_clear_optc_underflow(struct timing_generator *optc); 165 166 void optc1_tg_init(struct timing_generator *optc); 167 168 bool optc1_is_tg_enabled(struct timing_generator *optc); 169 170 bool optc1_is_optc_underflow_occurred(struct timing_generator *optc); 171 172 void optc1_set_blank_data_double_buffer(struct timing_generator *optc, bool enable); 173 174 void optc1_set_timing_double_buffer(struct timing_generator *optc, bool enable); 175 176 bool optc1_get_otg_active_size(struct timing_generator *optc, 177 uint32_t *otg_active_width, 178 uint32_t *otg_active_height); 179 180 void optc1_enable_crtc_reset(struct timing_generator *optc, 181 int source_tg_inst, 182 struct crtc_trigger_info *crtc_tp); 183 184 bool optc1_configure_crc(struct timing_generator *optc, const struct crc_params *params); 185 186 bool optc1_get_crc(struct timing_generator *optc, uint8_t idx, 187 uint32_t *r_cr, 188 uint32_t *g_y, 189 uint32_t *b_cb); 190 191 void optc1_set_vtg_params(struct timing_generator *optc, 192 const struct dc_crtc_timing *dc_crtc_timing, 193 bool program_fp2); 194 195 bool optc1_is_two_pixels_per_container(const struct dc_crtc_timing *timing); 196 197 #endif 198