xref: /linux/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h (revision 3fd6c59042dbba50391e30862beac979491145fe)
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 struct crc_params {
126 	/* Regions used to calculate CRC*/
127 	uint16_t windowa_x_start;
128 	uint16_t windowa_x_end;
129 	uint16_t windowa_y_start;
130 	uint16_t windowa_y_end;
131 
132 	uint16_t windowb_x_start;
133 	uint16_t windowb_x_end;
134 	uint16_t windowb_y_start;
135 	uint16_t windowb_y_end;
136 
137 	enum crc_selection selection;
138 
139 	uint8_t dsc_mode;
140 	uint8_t odm_mode;
141 
142 	bool continuous_mode;
143 	bool enable;
144 };
145 
146 /**
147  * struct timing_generator - Entry point to Output Timing Generator feature.
148  */
149 struct timing_generator {
150 	/**
151 	 * @funcs: Timing generator control functions
152 	 */
153 	const struct timing_generator_funcs *funcs;
154 	struct dc_bios *bp;
155 	struct dc_context *ctx;
156 	int inst;
157 };
158 
159 struct dc_crtc_timing;
160 
161 struct drr_params;
162 
163 /**
164  * struct timing_generator_funcs - Control timing generator on a given device.
165  */
166 struct timing_generator_funcs {
167 	bool (*validate_timing)(struct timing_generator *tg,
168 							const struct dc_crtc_timing *timing);
169 	void (*program_timing)(struct timing_generator *tg,
170 							const struct dc_crtc_timing *timing,
171 							int vready_offset,
172 							int vstartup_start,
173 							int vupdate_offset,
174 							int vupdate_width,
175 							int pstate_keepout,
176 							const enum signal_type signal,
177 							bool use_vbios
178 	);
179 	void (*setup_vertical_interrupt0)(
180 			struct timing_generator *optc,
181 			uint32_t start_line,
182 			uint32_t end_line);
183 	void (*setup_vertical_interrupt1)(
184 			struct timing_generator *optc,
185 			uint32_t start_line);
186 	void (*setup_vertical_interrupt2)(
187 			struct timing_generator *optc,
188 			uint32_t start_line);
189 
190 	bool (*enable_crtc)(struct timing_generator *tg);
191 	bool (*disable_crtc)(struct timing_generator *tg);
192 	void (*phantom_crtc_post_enable)(struct timing_generator *tg);
193 	void (*disable_phantom_crtc)(struct timing_generator *tg);
194 	bool (*immediate_disable_crtc)(struct timing_generator *tg);
195 	bool (*is_counter_moving)(struct timing_generator *tg);
196 	void (*get_position)(struct timing_generator *tg,
197 				struct crtc_position *position);
198 
199 	uint32_t (*get_frame_count)(struct timing_generator *tg);
200 	void (*get_scanoutpos)(
201 		struct timing_generator *tg,
202 		uint32_t *v_blank_start,
203 		uint32_t *v_blank_end,
204 		uint32_t *h_position,
205 		uint32_t *v_position);
206 	bool (*get_otg_active_size)(struct timing_generator *optc,
207 			uint32_t *otg_active_width,
208 			uint32_t *otg_active_height);
209 	bool (*is_matching_timing)(struct timing_generator *tg,
210 			const struct dc_crtc_timing *otg_timing);
211 	void (*set_early_control)(struct timing_generator *tg,
212 							   uint32_t early_cntl);
213 	void (*wait_for_state)(struct timing_generator *tg,
214 							enum crtc_state state);
215 	void (*set_blank)(struct timing_generator *tg,
216 					bool enable_blanking);
217 	bool (*is_blanked)(struct timing_generator *tg);
218 	void (*set_overscan_blank_color) (struct timing_generator *tg, const struct tg_color *color);
219 	void (*set_blank_color)(struct timing_generator *tg, const struct tg_color *color);
220 	void (*set_colors)(struct timing_generator *tg,
221 						const struct tg_color *blank_color,
222 						const struct tg_color *overscan_color);
223 
224 	void (*disable_vga)(struct timing_generator *tg);
225 	bool (*did_triggered_reset_occur)(struct timing_generator *tg);
226 	void (*setup_global_swap_lock)(struct timing_generator *tg,
227 							const struct dcp_gsl_params *gsl_params);
228 	void (*unlock)(struct timing_generator *tg);
229 	void (*lock)(struct timing_generator *tg);
230 	void (*lock_doublebuffer_disable)(struct timing_generator *tg);
231 	void (*lock_doublebuffer_enable)(struct timing_generator *tg);
232 	void(*triplebuffer_unlock)(struct timing_generator *tg);
233 	void(*triplebuffer_lock)(struct timing_generator *tg);
234 	void (*enable_reset_trigger)(struct timing_generator *tg,
235 				     int source_tg_inst);
236 	void (*enable_crtc_reset)(struct timing_generator *tg,
237 				  int source_tg_inst,
238 				  struct crtc_trigger_info *crtc_tp);
239 	void (*disable_reset_trigger)(struct timing_generator *tg);
240 	void (*tear_down_global_swap_lock)(struct timing_generator *tg);
241 	void (*enable_advanced_request)(struct timing_generator *tg,
242 					bool enable, const struct dc_crtc_timing *timing);
243 	void (*set_drr)(struct timing_generator *tg, const struct drr_params *params);
244 	void (*set_vtotal_min_max)(struct timing_generator *optc, int vtotal_min, int vtotal_max);
245 	void (*get_last_used_drr_vtotal)(struct timing_generator *optc, uint32_t *refresh_rate);
246 	void (*set_static_screen_control)(struct timing_generator *tg,
247 						uint32_t event_triggers,
248 						uint32_t num_frames);
249 	void (*set_test_pattern)(
250 		struct timing_generator *tg,
251 		enum controller_dp_test_pattern test_pattern,
252 		enum dc_color_depth color_depth);
253 
254 	bool (*arm_vert_intr)(struct timing_generator *tg, uint8_t width);
255 
256 	void (*program_global_sync)(struct timing_generator *tg,
257 			int vready_offset,
258 			int vstartup_start,
259 			int vupdate_offset,
260 			int vupdate_width,
261 			int pstate_keepout);
262 	void (*enable_optc_clock)(struct timing_generator *tg, bool enable);
263 	void (*program_stereo)(struct timing_generator *tg,
264 		const struct dc_crtc_timing *timing, struct crtc_stereo_flags *flags);
265 	bool (*is_stereo_left_eye)(struct timing_generator *tg);
266 
267 	void (*set_blank_data_double_buffer)(struct timing_generator *tg, bool enable);
268 
269 	void (*tg_init)(struct timing_generator *tg);
270 	bool (*is_tg_enabled)(struct timing_generator *tg);
271 	bool (*is_optc_underflow_occurred)(struct timing_generator *tg);
272 	void (*clear_optc_underflow)(struct timing_generator *tg);
273 
274 	void (*set_dwb_source)(struct timing_generator *optc,
275 		uint32_t dwb_pipe_inst);
276 
277 	void (*get_optc_source)(struct timing_generator *optc,
278 			uint32_t *num_of_input_segments,
279 			uint32_t *seg0_src_sel,
280 			uint32_t *seg1_src_sel);
281 	bool (*is_two_pixels_per_container)(const struct dc_crtc_timing *timing);
282 
283 	/**
284 	 * Configure CRCs for the given timing generator. Return false if TG is
285 	 * not on.
286 	 */
287 	bool (*configure_crc)(struct timing_generator *tg,
288 			       const struct crc_params *params);
289 
290 	/**
291 	 * @get_crc: Get CRCs for the given timing generator. Return false if
292 	 * CRCs are not enabled (via configure_crc).
293 	 */
294 	bool (*get_crc)(struct timing_generator *tg,
295 			uint32_t *r_cr, uint32_t *g_y, uint32_t *b_cb);
296 
297 	void (*program_manual_trigger)(struct timing_generator *optc);
298 	void (*setup_manual_trigger)(struct timing_generator *optc);
299 	bool (*get_hw_timing)(struct timing_generator *optc,
300 			struct dc_crtc_timing *hw_crtc_timing);
301 
302 	void (*set_vtg_params)(struct timing_generator *optc,
303 			const struct dc_crtc_timing *dc_crtc_timing, bool program_fp2);
304 
305 	void (*set_dsc_config)(struct timing_generator *optc,
306 			       enum optc_dsc_mode dsc_mode,
307 			       uint32_t dsc_bytes_per_pixel,
308 			       uint32_t dsc_slice_width);
309 	void (*get_dsc_status)(struct timing_generator *optc,
310 					uint32_t *dsc_mode);
311 	void (*set_odm_bypass)(struct timing_generator *optc, const struct dc_crtc_timing *dc_crtc_timing);
312 
313 	/**
314 	 * @set_odm_combine: Set up the ODM block to read from the correct
315 	 * OPP(s) and turn on/off ODM memory.
316 	 */
317 	void (*set_odm_combine)(struct timing_generator *optc, int *opp_id, int opp_cnt,
318 			int segment_width, int last_segment_width);
319 	void (*get_odm_combine_segments)(struct timing_generator *tg, int *odm_segments);
320 	void (*set_h_timing_div_manual_mode)(struct timing_generator *optc, bool manual_mode);
321 	void (*set_gsl)(struct timing_generator *optc, const struct gsl_params *params);
322 	void (*set_gsl_source_select)(struct timing_generator *optc,
323 			int group_idx,
324 			uint32_t gsl_ready_signal);
325 	void (*set_out_mux)(struct timing_generator *tg, enum otg_out_mux_dest dest);
326 	void (*set_drr_trigger_window)(struct timing_generator *optc,
327 			uint32_t window_start, uint32_t window_end);
328 	void (*set_vtotal_change_limit)(struct timing_generator *optc,
329 			uint32_t limit);
330 	void (*align_vblanks)(struct timing_generator *master_optc,
331 			struct timing_generator *slave_optc,
332 			uint32_t master_pixel_clock_100Hz,
333 			uint32_t slave_pixel_clock_100Hz,
334 			uint8_t master_clock_divider,
335 			uint8_t slave_clock_divider);
336 	bool (*validate_vmin_vmax)(struct timing_generator *optc,
337 			int vmin, int vmax);
338 	bool (*validate_vtotal_change_limit)(struct timing_generator *optc,
339 			uint32_t vtotal_change_limit);
340 
341 	void (*init_odm)(struct timing_generator *tg);
342 	void (*wait_drr_doublebuffer_pending_clear)(struct timing_generator *tg);
343 	void (*set_long_vtotal)(struct timing_generator *optc, const struct long_vtotal_params *params);
344 	void (*wait_odm_doublebuffer_pending_clear)(struct timing_generator *tg);
345 	bool (*get_optc_double_buffer_pending)(struct timing_generator *tg);
346 	bool (*get_otg_double_buffer_pending)(struct timing_generator *tg);
347 	bool (*get_pipe_update_pending)(struct timing_generator *tg);
348 	void (*set_vupdate_keepout)(struct timing_generator *tg, bool enable);
349 	bool (*wait_update_lock_status)(struct timing_generator *tg, bool locked);
350 };
351 
352 #endif
353