xref: /linux/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h (revision d4a292c5f8e65d2784b703c67179f4f7d0c7846c)
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 struct long_vtotal_params {
68 	uint32_t vertical_total_min;
69 	uint32_t vertical_total_max;
70 	uint32_t vertical_blank_start;
71 };
72 
73 #define LEFT_EYE_3D_PRIMARY_SURFACE 1
74 #define RIGHT_EYE_3D_PRIMARY_SURFACE 0
75 
76 enum crtc_state {
77 	CRTC_STATE_VBLANK = 0,
78 	CRTC_STATE_VACTIVE
79 };
80 
81 struct vupdate_keepout_params {
82 	int start_offset;
83 	int end_offset;
84 	int enable;
85 };
86 
87 struct crtc_stereo_flags {
88 	uint8_t PROGRAM_STEREO         : 1;
89 	uint8_t PROGRAM_POLARITY       : 1;
90 	uint8_t RIGHT_EYE_POLARITY     : 1;
91 	uint8_t FRAME_PACKED           : 1;
92 	uint8_t DISABLE_STEREO_DP_SYNC : 1;
93 };
94 
95 enum crc_selection {
96 	/* Order must match values expected by hardware */
97 	UNION_WINDOW_A_B = 0,
98 	UNION_WINDOW_A_NOT_B,
99 	UNION_WINDOW_NOT_A_B,
100 	UNION_WINDOW_NOT_A_NOT_B,
101 	INTERSECT_WINDOW_A_B,
102 	INTERSECT_WINDOW_A_NOT_B,
103 	INTERSECT_WINDOW_NOT_A_B,
104 	INTERSECT_WINDOW_NOT_A_NOT_B,
105 };
106 
107 enum otg_out_mux_dest {
108 	OUT_MUX_DIO = 0,
109 	OUT_MUX_HPO_DP = 2,
110 };
111 
112 enum h_timing_div_mode {
113 	H_TIMING_NO_DIV,
114 	H_TIMING_DIV_BY2,
115 	H_TIMING_RESERVED,
116 	H_TIMING_DIV_BY4,
117 };
118 
119 enum timing_synchronization_type {
120 	NOT_SYNCHRONIZABLE,
121 	TIMING_SYNCHRONIZABLE,
122 	VBLANK_SYNCHRONIZABLE
123 };
124 
125 enum crc_poly_mode {
126 	CRC_POLY_MODE_16,
127 	CRC_POLY_MODE_32,
128 	CRC_POLY_MODE_MAX,
129 };
130 
131 struct crc_params {
132 	/* Regions used to calculate CRC*/
133 	uint16_t windowa_x_start;
134 	uint16_t windowa_x_end;
135 	uint16_t windowa_y_start;
136 	uint16_t windowa_y_end;
137 
138 	uint16_t windowb_x_start;
139 	uint16_t windowb_x_end;
140 	uint16_t windowb_y_start;
141 	uint16_t windowb_y_end;
142 
143 	enum crc_selection selection;
144 
145 	uint8_t dsc_mode;
146 	uint8_t odm_mode;
147 
148 	bool continuous_mode;
149 	bool enable;
150 
151 	uint8_t crc_eng_inst;
152 	bool reset;
153 	enum crc_poly_mode crc_poly_mode;
154 };
155 
156 struct dcn_otg_state {
157 	uint32_t v_blank_start;
158 	uint32_t v_blank_end;
159 	uint32_t v_sync_a_pol;
160 	uint32_t v_total;
161 	uint32_t v_total_max;
162 	uint32_t v_total_min;
163 	uint32_t v_total_min_sel;
164 	uint32_t v_total_max_sel;
165 	uint32_t v_sync_a_start;
166 	uint32_t v_sync_a_end;
167 	uint32_t h_blank_start;
168 	uint32_t h_blank_end;
169 	uint32_t h_sync_a_start;
170 	uint32_t h_sync_a_end;
171 	uint32_t h_sync_a_pol;
172 	uint32_t h_total;
173 	uint32_t underflow_occurred_status;
174 	uint32_t otg_enabled;
175 	uint32_t blank_enabled;
176 	uint32_t vertical_interrupt1_en;
177 	uint32_t vertical_interrupt1_line;
178 	uint32_t vertical_interrupt2_en;
179 	uint32_t vertical_interrupt2_line;
180 	uint32_t vertical_interrupt2_dest;
181 	uint32_t otg_master_update_lock;
182 	uint32_t otg_double_buffer_control;
183 };
184 
185 struct dcn_optc_reg_state {
186 	uint32_t optc_bytes_per_pixel;
187 	uint32_t optc_data_format_control;
188 	uint32_t optc_data_source_select;
189 	uint32_t optc_input_clock_control;
190 	uint32_t optc_input_global_control;
191 	uint32_t optc_input_spare_register;
192 	uint32_t optc_memory_config;
193 	uint32_t optc_rsmu_underflow;
194 	uint32_t optc_underflow_threshold;
195 	uint32_t optc_width_control;
196 
197 	uint32_t otg_3d_structure_control;
198 	uint32_t otg_clock_control;
199 	uint32_t otg_control;
200 	uint32_t otg_count_control;
201 	uint32_t otg_count_reset;
202 	uint32_t otg_crc_cntl;
203 	uint32_t otg_crc_sig_blue_control_mask;
204 	uint32_t otg_crc_sig_red_green_mask;
205 	uint32_t otg_crc0_data_b;
206 	uint32_t otg_crc0_data_rg;
207 	uint32_t otg_crc0_windowa_x_control;
208 	uint32_t otg_crc0_windowa_x_control_readback;
209 	uint32_t otg_crc0_windowa_y_control;
210 	uint32_t otg_crc0_windowa_y_control_readback;
211 	uint32_t otg_crc0_windowb_x_control;
212 	uint32_t otg_crc0_windowb_x_control_readback;
213 	uint32_t otg_crc0_windowb_y_control;
214 	uint32_t otg_crc0_windowb_y_control_readback;
215 	uint32_t otg_crc1_data_b;
216 	uint32_t otg_crc1_data_rg;
217 	uint32_t otg_crc1_windowa_x_control;
218 	uint32_t otg_crc1_windowa_x_control_readback;
219 	uint32_t otg_crc1_windowa_y_control;
220 	uint32_t otg_crc1_windowa_y_control_readback;
221 	uint32_t otg_crc1_windowb_x_control;
222 	uint32_t otg_crc1_windowb_x_control_readback;
223 	uint32_t otg_crc1_windowb_y_control;
224 	uint32_t otg_crc1_windowb_y_control_readback;
225 	uint32_t otg_crc2_data_b;
226 	uint32_t otg_crc2_data_rg;
227 	uint32_t otg_crc3_data_b;
228 	uint32_t otg_crc3_data_rg;
229 	uint32_t otg_dlpc_control;
230 	uint32_t otg_double_buffer_control;
231 	uint32_t otg_drr_control2;
232 	uint32_t otg_drr_control;
233 	uint32_t otg_drr_timing_int_status;
234 	uint32_t otg_drr_trigger_window;
235 	uint32_t otg_drr_v_total_change;
236 	uint32_t otg_drr_v_total_reach_range;
237 	uint32_t otg_dsc_start_position;
238 	uint32_t otg_force_count_now_cntl;
239 	uint32_t otg_global_control0;
240 	uint32_t otg_global_control1;
241 	uint32_t otg_global_control2;
242 	uint32_t otg_global_control3;
243 	uint32_t otg_global_control4;
244 	uint32_t otg_global_sync_status;
245 	uint32_t otg_gsl_control;
246 	uint32_t otg_gsl_vsync_gap;
247 	uint32_t otg_gsl_window_x;
248 	uint32_t otg_gsl_window_y;
249 	uint32_t otg_h_blank_start_end;
250 	uint32_t otg_h_sync_a;
251 	uint32_t otg_h_sync_a_cntl;
252 	uint32_t otg_h_timing_cntl;
253 	uint32_t otg_h_total;
254 	uint32_t otg_interlace_control;
255 	uint32_t otg_interlace_status;
256 	uint32_t otg_interrupt_control;
257 	uint32_t otg_long_vblank_status;
258 	uint32_t otg_m_const_dto0;
259 	uint32_t otg_m_const_dto1;
260 	uint32_t otg_manual_force_vsync_next_line;
261 	uint32_t otg_master_en;
262 	uint32_t otg_master_update_lock;
263 	uint32_t otg_master_update_mode;
264 	uint32_t otg_nom_vert_position;
265 	uint32_t otg_pipe_update_status;
266 	uint32_t otg_pixel_data_readback0;
267 	uint32_t otg_pixel_data_readback1;
268 	uint32_t otg_request_control;
269 	uint32_t otg_snapshot_control;
270 	uint32_t otg_snapshot_frame;
271 	uint32_t otg_snapshot_position;
272 	uint32_t otg_snapshot_status;
273 	uint32_t otg_spare_register;
274 	uint32_t otg_static_screen_control;
275 	uint32_t otg_status;
276 	uint32_t otg_status_frame_count;
277 	uint32_t otg_status_hv_count;
278 	uint32_t otg_status_position;
279 	uint32_t otg_status_vf_count;
280 	uint32_t otg_stereo_control;
281 	uint32_t otg_stereo_force_next_eye;
282 	uint32_t otg_stereo_status;
283 	uint32_t otg_trig_manual_control;
284 	uint32_t otg_triga_cntl;
285 	uint32_t otg_triga_manual_trig;
286 	uint32_t otg_trigb_cntl;
287 	uint32_t otg_trigb_manual_trig;
288 	uint32_t otg_update_lock;
289 	uint32_t otg_v_blank_start_end;
290 	uint32_t otg_v_count_stop_control;
291 	uint32_t otg_v_count_stop_control2;
292 	uint32_t otg_v_sync_a;
293 	uint32_t otg_v_sync_a_cntl;
294 	uint32_t otg_v_total;
295 	uint32_t otg_v_total_control;
296 	uint32_t otg_v_total_int_status;
297 	uint32_t otg_v_total_max;
298 	uint32_t otg_v_total_mid;
299 	uint32_t otg_v_total_min;
300 	uint32_t otg_vert_sync_control;
301 	uint32_t otg_vertical_interrupt0_control;
302 	uint32_t otg_vertical_interrupt0_position;
303 	uint32_t otg_vertical_interrupt1_control;
304 	uint32_t otg_vertical_interrupt1_position;
305 	uint32_t otg_vertical_interrupt2_control;
306 	uint32_t otg_vertical_interrupt2_position;
307 	uint32_t otg_vready_param;
308 	uint32_t otg_vstartup_param;
309 	uint32_t otg_vsync_nom_int_status;
310 	uint32_t otg_vupdate_keepout;
311 	uint32_t otg_vupdate_param;
312 };
313 
314 /**
315  * struct timing_generator - Entry point to Output Timing Generator feature.
316  */
317 struct timing_generator {
318 	/**
319 	 * @funcs: Timing generator control functions
320 	 */
321 	const struct timing_generator_funcs *funcs;
322 	struct dc_bios *bp;
323 	struct dc_context *ctx;
324 	int inst;
325 };
326 
327 struct dc_crtc_timing;
328 
329 struct drr_params;
330 
331 /**
332  * struct timing_generator_funcs - Control timing generator on a given device.
333  */
334 struct timing_generator_funcs {
335 	bool (*validate_timing)(struct timing_generator *tg,
336 							const struct dc_crtc_timing *timing);
337 	void (*program_timing)(struct timing_generator *tg,
338 							const struct dc_crtc_timing *timing,
339 							int vready_offset,
340 							int vstartup_start,
341 							int vupdate_offset,
342 							int vupdate_width,
343 							int pstate_keepout,
344 							const enum signal_type signal,
345 							bool use_vbios
346 	);
347 	void (*setup_vertical_interrupt0)(
348 			struct timing_generator *optc,
349 			uint32_t start_line,
350 			uint32_t end_line);
351 	void (*setup_vertical_interrupt1)(
352 			struct timing_generator *optc,
353 			uint32_t start_line);
354 	void (*setup_vertical_interrupt2)(
355 			struct timing_generator *optc,
356 			uint32_t start_line);
357 
358 	bool (*enable_crtc)(struct timing_generator *tg);
359 	bool (*disable_crtc)(struct timing_generator *tg);
360 	void (*phantom_crtc_post_enable)(struct timing_generator *tg);
361 	void (*disable_phantom_crtc)(struct timing_generator *tg);
362 	bool (*immediate_disable_crtc)(struct timing_generator *tg);
363 	bool (*is_counter_moving)(struct timing_generator *tg);
364 	void (*get_position)(struct timing_generator *tg,
365 				struct crtc_position *position);
366 
367 	uint32_t (*get_frame_count)(struct timing_generator *tg);
368 	void (*get_scanoutpos)(
369 		struct timing_generator *tg,
370 		uint32_t *v_blank_start,
371 		uint32_t *v_blank_end,
372 		uint32_t *h_position,
373 		uint32_t *v_position);
374 	bool (*get_otg_active_size)(struct timing_generator *optc,
375 			uint32_t *otg_active_width,
376 			uint32_t *otg_active_height);
377 	bool (*is_matching_timing)(struct timing_generator *tg,
378 			const struct dc_crtc_timing *otg_timing);
379 	void (*set_early_control)(struct timing_generator *tg,
380 							   uint32_t early_cntl);
381 	void (*wait_for_state)(struct timing_generator *tg,
382 							enum crtc_state state);
383 	void (*set_blank)(struct timing_generator *tg,
384 					bool enable_blanking);
385 	bool (*is_blanked)(struct timing_generator *tg);
386 	void (*set_overscan_blank_color) (struct timing_generator *tg, const struct tg_color *color);
387 	void (*set_blank_color)(struct timing_generator *tg, const struct tg_color *color);
388 	void (*set_colors)(struct timing_generator *tg,
389 						const struct tg_color *blank_color,
390 						const struct tg_color *overscan_color);
391 
392 	void (*disable_vga)(struct timing_generator *tg);
393 	bool (*did_triggered_reset_occur)(struct timing_generator *tg);
394 	void (*setup_global_swap_lock)(struct timing_generator *tg,
395 							const struct dcp_gsl_params *gsl_params);
396 	void (*unlock)(struct timing_generator *tg);
397 	void (*lock)(struct timing_generator *tg);
398 	void (*lock_doublebuffer_disable)(struct timing_generator *tg);
399 	void (*lock_doublebuffer_enable)(struct timing_generator *tg);
400 	void(*triplebuffer_unlock)(struct timing_generator *tg);
401 	void(*triplebuffer_lock)(struct timing_generator *tg);
402 	void (*enable_reset_trigger)(struct timing_generator *tg,
403 				     int source_tg_inst);
404 	void (*enable_crtc_reset)(struct timing_generator *tg,
405 				  int source_tg_inst,
406 				  struct crtc_trigger_info *crtc_tp);
407 	void (*disable_reset_trigger)(struct timing_generator *tg);
408 	void (*tear_down_global_swap_lock)(struct timing_generator *tg);
409 	void (*enable_advanced_request)(struct timing_generator *tg,
410 					bool enable, const struct dc_crtc_timing *timing);
411 	void (*set_drr)(struct timing_generator *tg, const struct drr_params *params);
412 	void (*set_vtotal_min_max)(struct timing_generator *optc, int vtotal_min, int vtotal_max);
413 	void (*get_last_used_drr_vtotal)(struct timing_generator *optc, uint32_t *refresh_rate);
414 	void (*set_static_screen_control)(struct timing_generator *tg,
415 						uint32_t event_triggers,
416 						uint32_t num_frames);
417 	void (*set_test_pattern)(
418 		struct timing_generator *tg,
419 		enum controller_dp_test_pattern test_pattern,
420 		enum dc_color_depth color_depth);
421 
422 	bool (*arm_vert_intr)(struct timing_generator *tg, uint8_t width);
423 
424 	void (*program_global_sync)(struct timing_generator *tg,
425 			int vready_offset,
426 			int vstartup_start,
427 			int vupdate_offset,
428 			int vupdate_width,
429 			int pstate_keepout);
430 	void (*enable_optc_clock)(struct timing_generator *tg, bool enable);
431 	void (*program_stereo)(struct timing_generator *tg,
432 		const struct dc_crtc_timing *timing, struct crtc_stereo_flags *flags);
433 	bool (*is_stereo_left_eye)(struct timing_generator *tg);
434 
435 	void (*set_blank_data_double_buffer)(struct timing_generator *tg, bool enable);
436 
437 	void (*tg_init)(struct timing_generator *tg);
438 	bool (*is_tg_enabled)(struct timing_generator *tg);
439 	bool (*is_optc_underflow_occurred)(struct timing_generator *tg);
440 	void (*clear_optc_underflow)(struct timing_generator *tg);
441 
442 	void (*set_dwb_source)(struct timing_generator *optc,
443 		uint32_t dwb_pipe_inst);
444 
445 	void (*get_optc_source)(struct timing_generator *optc,
446 			uint32_t *num_of_input_segments,
447 			uint32_t *seg0_src_sel,
448 			uint32_t *seg1_src_sel);
449 	bool (*is_two_pixels_per_container)(const struct dc_crtc_timing *timing);
450 
451 	/**
452 	 * Configure CRCs for the given timing generator. Return false if TG is
453 	 * not on.
454 	 */
455 	bool (*configure_crc)(struct timing_generator *tg,
456 			       const struct crc_params *params);
457 
458 	/**
459 	 * @get_crc: Get CRCs for the given timing generator. Return false if
460 	 * CRCs are not enabled (via configure_crc).
461 	 */
462 	bool (*get_crc)(struct timing_generator *tg, uint8_t idx,
463 			uint32_t *r_cr, uint32_t *g_y, uint32_t *b_cb);
464 
465 	void (*program_manual_trigger)(struct timing_generator *optc);
466 	void (*setup_manual_trigger)(struct timing_generator *optc);
467 	bool (*get_hw_timing)(struct timing_generator *optc,
468 			struct dc_crtc_timing *hw_crtc_timing);
469 
470 	void (*set_vtg_params)(struct timing_generator *optc,
471 			const struct dc_crtc_timing *dc_crtc_timing, bool program_fp2);
472 
473 	void (*set_dsc_config)(struct timing_generator *optc,
474 			       enum optc_dsc_mode dsc_mode,
475 			       uint32_t dsc_bytes_per_pixel,
476 			       uint32_t dsc_slice_width);
477 	void (*get_dsc_status)(struct timing_generator *optc,
478 					uint32_t *dsc_mode);
479 	void (*set_odm_bypass)(struct timing_generator *optc, const struct dc_crtc_timing *dc_crtc_timing);
480 
481 	/**
482 	 * @set_odm_combine: Set up the ODM block to read from the correct
483 	 * OPP(s) and turn on/off ODM memory.
484 	 */
485 	void (*set_odm_combine)(struct timing_generator *optc, int *opp_id, int opp_cnt,
486 			int segment_width, int last_segment_width);
487 	void (*get_odm_combine_segments)(struct timing_generator *tg, int *odm_segments);
488 	void (*set_h_timing_div_manual_mode)(struct timing_generator *optc, bool manual_mode);
489 	void (*set_gsl)(struct timing_generator *optc, const struct gsl_params *params);
490 	void (*set_gsl_source_select)(struct timing_generator *optc,
491 			int group_idx,
492 			uint32_t gsl_ready_signal);
493 	void (*set_out_mux)(struct timing_generator *tg, enum otg_out_mux_dest dest);
494 	void (*set_drr_trigger_window)(struct timing_generator *optc,
495 			uint32_t window_start, uint32_t window_end);
496 	void (*set_vtotal_change_limit)(struct timing_generator *optc,
497 			uint32_t limit);
498 	void (*align_vblanks)(struct timing_generator *master_optc,
499 			struct timing_generator *slave_optc,
500 			uint32_t master_pixel_clock_100Hz,
501 			uint32_t slave_pixel_clock_100Hz,
502 			uint8_t master_clock_divider,
503 			uint8_t slave_clock_divider);
504 	bool (*validate_vmin_vmax)(struct timing_generator *optc,
505 			int vmin, int vmax);
506 	bool (*validate_vtotal_change_limit)(struct timing_generator *optc,
507 			uint32_t vtotal_change_limit);
508 
509 	void (*init_odm)(struct timing_generator *tg);
510 	void (*wait_drr_doublebuffer_pending_clear)(struct timing_generator *tg);
511 	void (*set_long_vtotal)(struct timing_generator *optc, const struct long_vtotal_params *params);
512 	void (*wait_odm_doublebuffer_pending_clear)(struct timing_generator *tg);
513 	void (*wait_otg_disable)(struct timing_generator *optc);
514 	bool (*get_optc_double_buffer_pending)(struct timing_generator *tg);
515 	bool (*get_otg_double_buffer_pending)(struct timing_generator *tg);
516 	bool (*get_pipe_update_pending)(struct timing_generator *tg);
517 	void (*set_vupdate_keepout)(struct timing_generator *tg, bool enable);
518 	bool (*wait_update_lock_status)(struct timing_generator *tg, bool locked);
519 	void (*read_otg_state)(struct timing_generator *tg, struct dcn_otg_state *s);
520 	void (*optc_read_reg_state)(struct timing_generator *tg, struct dcn_optc_reg_state *optc_reg_state);
521 };
522 
523 #endif
524