1 // SPDX-License-Identifier: MIT
3 * Copyright 2022 Advanced Micro Devices, Inc.
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6 * copy of this software and associated documentation files (the "Software"),
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27 #include "dcn314_optc.h"
29 #include "dcn30/dcn30_optc.h"
30 #include "dcn31/dcn31_optc.h"
31 #include "reg_helper.h"
33 #include "dcn_calc_math.h"
42 #define FN(reg_name, field_name) \
43 optc1->tg_shift->field_name, optc1->tg_mask->field_name
47 * Enable CRTC - call ASIC Control Object to enable Timing generator.
50 static void optc314_set_odm_combine(struct timing_generator *optc, int *opp_id, int opp_cnt,
51 struct dc_crtc_timing *timing)
53 struct optc *optc1 = DCN10TG_FROM_TG(optc);
54 uint32_t memory_mask = 0;
55 int h_active = timing->h_addressable + timing->h_border_left + timing->h_border_right;
56 int mpcc_hactive = h_active / opp_cnt;
57 /* Each memory instance is 2048x(314x2) bits to support half line of 4096 */
58 int odm_mem_count = (h_active + 2047) / 2048;
61 * display <= 4k : 2 memories + 2 pipes
62 * 4k < display <= 8k : 4 memories + 2 pipes
63 * 8k < display <= 12k : 6 memories + 4 pipes
66 if (odm_mem_count <= 2)
68 else if (odm_mem_count <= 4)
73 if (odm_mem_count <= 2)
74 memory_mask = 0x1 << (opp_id[0] * 2) | 0x1 << (opp_id[1] * 2);
75 else if (odm_mem_count <= 4)
76 memory_mask = 0x3 << (opp_id[0] * 2) | 0x3 << (opp_id[1] * 2);
81 REG_SET(OPTC_MEMORY_CONFIG, 0,
82 OPTC_MEM_SEL, memory_mask);
85 REG_SET_3(OPTC_DATA_SOURCE_SELECT, 0,
86 OPTC_NUM_OF_INPUT_SEGMENT, 1,
87 OPTC_SEG0_SRC_SEL, opp_id[0],
88 OPTC_SEG1_SRC_SEL, opp_id[1]);
89 } else if (opp_cnt == 4) {
90 REG_SET_5(OPTC_DATA_SOURCE_SELECT, 0,
91 OPTC_NUM_OF_INPUT_SEGMENT, 3,
92 OPTC_SEG0_SRC_SEL, opp_id[0],
93 OPTC_SEG1_SRC_SEL, opp_id[1],
94 OPTC_SEG2_SRC_SEL, opp_id[2],
95 OPTC_SEG3_SRC_SEL, opp_id[3]);
98 REG_UPDATE(OPTC_WIDTH_CONTROL,
99 OPTC_SEGMENT_WIDTH, mpcc_hactive);
101 REG_SET(OTG_H_TIMING_CNTL, 0, OTG_H_TIMING_DIV_MODE, opp_cnt - 1);
102 optc1->opp_count = opp_cnt;
105 static bool optc314_enable_crtc(struct timing_generator *optc)
107 struct optc *optc1 = DCN10TG_FROM_TG(optc);
109 /* opp instance for OTG, 1 to 1 mapping and odm will adjust */
110 REG_UPDATE(OPTC_DATA_SOURCE_SELECT,
111 OPTC_SEG0_SRC_SEL, optc->inst);
113 /* VTG enable first is for HW workaround */
120 REG_UPDATE_2(OTG_CONTROL,
121 OTG_DISABLE_POINT_CNTL, 2,
131 static bool optc314_disable_crtc(struct timing_generator *optc)
133 struct optc *optc1 = DCN10TG_FROM_TG(optc);
135 /* disable otg request until end of the first line
136 * in the vertical blank region
138 REG_UPDATE(OTG_CONTROL,
144 /* CRTC disabled, so disable clock. */
145 REG_WAIT(OTG_CLOCK_CONTROL,
152 void optc314_phantom_crtc_post_enable(struct timing_generator *optc)
154 struct optc *optc1 = DCN10TG_FROM_TG(optc);
156 /* Disable immediately. */
157 REG_UPDATE_2(OTG_CONTROL, OTG_DISABLE_POINT_CNTL, 0, OTG_MASTER_EN, 0);
159 /* CRTC disabled, so disable clock. */
160 REG_WAIT(OTG_CLOCK_CONTROL, OTG_BUSY, 0, 1, 100000);
164 static struct timing_generator_funcs dcn314_tg_funcs = {
165 .validate_timing = optc1_validate_timing,
166 .program_timing = optc1_program_timing,
167 .setup_vertical_interrupt0 = optc1_setup_vertical_interrupt0,
168 .setup_vertical_interrupt1 = optc1_setup_vertical_interrupt1,
169 .setup_vertical_interrupt2 = optc1_setup_vertical_interrupt2,
170 .program_global_sync = optc1_program_global_sync,
171 .enable_crtc = optc314_enable_crtc,
172 .disable_crtc = optc314_disable_crtc,
173 .immediate_disable_crtc = optc31_immediate_disable_crtc,
174 .phantom_crtc_post_enable = optc314_phantom_crtc_post_enable,
175 /* used by enable_timing_synchronization. Not need for FPGA */
176 .is_counter_moving = optc1_is_counter_moving,
177 .get_position = optc1_get_position,
178 .get_frame_count = optc1_get_vblank_counter,
179 .get_scanoutpos = optc1_get_crtc_scanoutpos,
180 .get_otg_active_size = optc1_get_otg_active_size,
181 .set_early_control = optc1_set_early_control,
182 /* used by enable_timing_synchronization. Not need for FPGA */
183 .wait_for_state = optc1_wait_for_state,
184 .set_blank_color = optc3_program_blank_color,
185 .did_triggered_reset_occur = optc1_did_triggered_reset_occur,
186 .triplebuffer_lock = optc3_triplebuffer_lock,
187 .triplebuffer_unlock = optc2_triplebuffer_unlock,
188 .enable_reset_trigger = optc1_enable_reset_trigger,
189 .enable_crtc_reset = optc1_enable_crtc_reset,
190 .disable_reset_trigger = optc1_disable_reset_trigger,
192 .unlock = optc1_unlock,
193 .lock_doublebuffer_enable = optc3_lock_doublebuffer_enable,
194 .lock_doublebuffer_disable = optc3_lock_doublebuffer_disable,
195 .enable_optc_clock = optc1_enable_optc_clock,
196 .set_drr = optc31_set_drr,
197 .get_last_used_drr_vtotal = optc2_get_last_used_drr_vtotal,
198 .set_vtotal_min_max = optc1_set_vtotal_min_max,
199 .set_static_screen_control = optc1_set_static_screen_control,
200 .program_stereo = optc1_program_stereo,
201 .is_stereo_left_eye = optc1_is_stereo_left_eye,
202 .tg_init = optc3_tg_init,
203 .is_tg_enabled = optc1_is_tg_enabled,
204 .is_optc_underflow_occurred = optc1_is_optc_underflow_occurred,
205 .clear_optc_underflow = optc1_clear_optc_underflow,
206 .setup_global_swap_lock = NULL,
207 .get_crc = optc1_get_crc,
208 .configure_crc = optc2_configure_crc,
209 .set_dsc_config = optc3_set_dsc_config,
210 .get_dsc_status = optc2_get_dsc_status,
211 .set_dwb_source = NULL,
212 .set_odm_bypass = optc3_set_odm_bypass,
213 .set_odm_combine = optc314_set_odm_combine,
214 .get_optc_source = optc2_get_optc_source,
215 .set_out_mux = optc3_set_out_mux,
216 .set_drr_trigger_window = optc3_set_drr_trigger_window,
217 .set_vtotal_change_limit = optc3_set_vtotal_change_limit,
218 .set_gsl = optc2_set_gsl,
219 .set_gsl_source_select = optc2_set_gsl_source_select,
220 .set_vtg_params = optc1_set_vtg_params,
221 .program_manual_trigger = optc2_program_manual_trigger,
222 .setup_manual_trigger = optc2_setup_manual_trigger,
223 .get_hw_timing = optc1_get_hw_timing,
224 .init_odm = optc3_init_odm,
227 void dcn314_timing_generator_init(struct optc *optc1)
229 optc1->base.funcs = &dcn314_tg_funcs;
231 optc1->max_h_total = optc1->tg_mask->OTG_H_TOTAL + 1;
232 optc1->max_v_total = optc1->tg_mask->OTG_V_TOTAL + 1;
234 optc1->min_h_blank = 32;
235 optc1->min_v_blank = 3;
236 optc1->min_v_blank_interlace = 5;
237 optc1->min_h_sync_width = 4;
238 optc1->min_v_sync_width = 1;