drm/amd/display: Return last used DRR VTOTAL from DC
[platform/kernel/linux-starfive.git] / drivers / gpu / drm / amd / display / dc / inc / hw / timing_generator.h
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 #define LEFT_EYE_3D_PRIMARY_SURFACE 1
68 #define RIGHT_EYE_3D_PRIMARY_SURFACE 0
69
70 enum crtc_state {
71         CRTC_STATE_VBLANK = 0,
72         CRTC_STATE_VACTIVE
73 };
74
75 struct vupdate_keepout_params {
76         int start_offset;
77         int end_offset;
78         int enable;
79 };
80
81 struct crtc_stereo_flags {
82         uint8_t PROGRAM_STEREO         : 1;
83         uint8_t PROGRAM_POLARITY       : 1;
84         uint8_t RIGHT_EYE_POLARITY     : 1;
85         uint8_t FRAME_PACKED           : 1;
86         uint8_t DISABLE_STEREO_DP_SYNC : 1;
87 };
88
89 enum crc_selection {
90         /* Order must match values expected by hardware */
91         UNION_WINDOW_A_B = 0,
92         UNION_WINDOW_A_NOT_B,
93         UNION_WINDOW_NOT_A_B,
94         UNION_WINDOW_NOT_A_NOT_B,
95         INTERSECT_WINDOW_A_B,
96         INTERSECT_WINDOW_A_NOT_B,
97         INTERSECT_WINDOW_NOT_A_B,
98         INTERSECT_WINDOW_NOT_A_NOT_B,
99 };
100
101 enum otg_out_mux_dest {
102         OUT_MUX_DIO = 0,
103 };
104
105 enum h_timing_div_mode {
106         H_TIMING_NO_DIV,
107         H_TIMING_DIV_BY2,
108         H_TIMING_RESERVED,
109         H_TIMING_DIV_BY4,
110 };
111
112 enum timing_synchronization_type {
113         NOT_SYNCHRONIZABLE,
114         TIMING_SYNCHRONIZABLE,
115         VBLANK_SYNCHRONIZABLE
116 };
117
118 struct crc_params {
119         /* Regions used to calculate CRC*/
120         uint16_t windowa_x_start;
121         uint16_t windowa_x_end;
122         uint16_t windowa_y_start;
123         uint16_t windowa_y_end;
124
125         uint16_t windowb_x_start;
126         uint16_t windowb_x_end;
127         uint16_t windowb_y_start;
128         uint16_t windowb_y_end;
129
130         enum crc_selection selection;
131
132         uint8_t dsc_mode;
133         uint8_t odm_mode;
134
135         bool continuous_mode;
136         bool enable;
137 };
138
139 struct timing_generator {
140         const struct timing_generator_funcs *funcs;
141         struct dc_bios *bp;
142         struct dc_context *ctx;
143         int inst;
144 };
145
146 struct dc_crtc_timing;
147
148 struct drr_params;
149
150
151 struct timing_generator_funcs {
152         bool (*validate_timing)(struct timing_generator *tg,
153                                                         const struct dc_crtc_timing *timing);
154         void (*program_timing)(struct timing_generator *tg,
155                                                         const struct dc_crtc_timing *timing,
156                                                         int vready_offset,
157                                                         int vstartup_start,
158                                                         int vupdate_offset,
159                                                         int vupdate_width,
160                                                         const enum signal_type signal,
161                                                         bool use_vbios
162         );
163         void (*setup_vertical_interrupt0)(
164                         struct timing_generator *optc,
165                         uint32_t start_line,
166                         uint32_t end_line);
167         void (*setup_vertical_interrupt1)(
168                         struct timing_generator *optc,
169                         uint32_t start_line);
170         void (*setup_vertical_interrupt2)(
171                         struct timing_generator *optc,
172                         uint32_t start_line);
173
174         bool (*enable_crtc)(struct timing_generator *tg);
175         bool (*disable_crtc)(struct timing_generator *tg);
176 #if defined(CONFIG_DRM_AMD_DC_DCN3_1)
177         bool (*immediate_disable_crtc)(struct timing_generator *tg);
178 #endif
179         bool (*is_counter_moving)(struct timing_generator *tg);
180         void (*get_position)(struct timing_generator *tg,
181                                 struct crtc_position *position);
182
183         uint32_t (*get_frame_count)(struct timing_generator *tg);
184         void (*get_scanoutpos)(
185                 struct timing_generator *tg,
186                 uint32_t *v_blank_start,
187                 uint32_t *v_blank_end,
188                 uint32_t *h_position,
189                 uint32_t *v_position);
190         bool (*get_otg_active_size)(struct timing_generator *optc,
191                         uint32_t *otg_active_width,
192                         uint32_t *otg_active_height);
193         bool (*is_matching_timing)(struct timing_generator *tg,
194                         const struct dc_crtc_timing *otg_timing);
195         void (*set_early_control)(struct timing_generator *tg,
196                                                            uint32_t early_cntl);
197         void (*wait_for_state)(struct timing_generator *tg,
198                                                         enum crtc_state state);
199         void (*set_blank)(struct timing_generator *tg,
200                                         bool enable_blanking);
201         bool (*is_blanked)(struct timing_generator *tg);
202         bool (*is_locked)(struct timing_generator *tg);
203         void (*set_overscan_blank_color) (struct timing_generator *tg, const struct tg_color *color);
204         void (*set_blank_color)(struct timing_generator *tg, const struct tg_color *color);
205         void (*set_colors)(struct timing_generator *tg,
206                                                 const struct tg_color *blank_color,
207                                                 const struct tg_color *overscan_color);
208
209         void (*disable_vga)(struct timing_generator *tg);
210         bool (*did_triggered_reset_occur)(struct timing_generator *tg);
211         void (*setup_global_swap_lock)(struct timing_generator *tg,
212                                                         const struct dcp_gsl_params *gsl_params);
213         void (*unlock)(struct timing_generator *tg);
214         void (*lock)(struct timing_generator *tg);
215         void (*lock_doublebuffer_disable)(struct timing_generator *tg);
216         void (*lock_doublebuffer_enable)(struct timing_generator *tg);
217         void(*triplebuffer_unlock)(struct timing_generator *tg);
218         void(*triplebuffer_lock)(struct timing_generator *tg);
219         void (*enable_reset_trigger)(struct timing_generator *tg,
220                                      int source_tg_inst);
221         void (*enable_crtc_reset)(struct timing_generator *tg,
222                                   int source_tg_inst,
223                                   struct crtc_trigger_info *crtc_tp);
224         void (*disable_reset_trigger)(struct timing_generator *tg);
225         void (*tear_down_global_swap_lock)(struct timing_generator *tg);
226         void (*enable_advanced_request)(struct timing_generator *tg,
227                                         bool enable, const struct dc_crtc_timing *timing);
228         void (*set_drr)(struct timing_generator *tg, const struct drr_params *params);
229         void (*set_vtotal_min_max)(struct timing_generator *optc, int vtotal_min, int vtotal_max);
230         void (*get_last_used_drr_vtotal)(struct timing_generator *optc, uint32_t *refresh_rate);
231         void (*set_static_screen_control)(struct timing_generator *tg,
232                                                 uint32_t event_triggers,
233                                                 uint32_t num_frames);
234         void (*set_test_pattern)(
235                 struct timing_generator *tg,
236                 enum controller_dp_test_pattern test_pattern,
237                 enum dc_color_depth color_depth);
238
239         bool (*arm_vert_intr)(struct timing_generator *tg, uint8_t width);
240
241         void (*program_global_sync)(struct timing_generator *tg,
242                         int vready_offset,
243                         int vstartup_start,
244                         int vupdate_offset,
245                         int vupdate_width);
246         void (*enable_optc_clock)(struct timing_generator *tg, bool enable);
247         void (*program_stereo)(struct timing_generator *tg,
248                 const struct dc_crtc_timing *timing, struct crtc_stereo_flags *flags);
249         bool (*is_stereo_left_eye)(struct timing_generator *tg);
250
251         void (*set_blank_data_double_buffer)(struct timing_generator *tg, bool enable);
252
253         void (*tg_init)(struct timing_generator *tg);
254         bool (*is_tg_enabled)(struct timing_generator *tg);
255         bool (*is_optc_underflow_occurred)(struct timing_generator *tg);
256         void (*clear_optc_underflow)(struct timing_generator *tg);
257
258         void (*set_dwb_source)(struct timing_generator *optc,
259                 uint32_t dwb_pipe_inst);
260
261         void (*get_optc_source)(struct timing_generator *optc,
262                         uint32_t *num_of_input_segments,
263                         uint32_t *seg0_src_sel,
264                         uint32_t *seg1_src_sel);
265
266         /**
267          * Configure CRCs for the given timing generator. Return false if TG is
268          * not on.
269          */
270         bool (*configure_crc)(struct timing_generator *tg,
271                                const struct crc_params *params);
272
273         /**
274          * Get CRCs for the given timing generator. Return false if CRCs are
275          * not enabled (via configure_crc).
276          */
277         bool (*get_crc)(struct timing_generator *tg,
278                         uint32_t *r_cr, uint32_t *g_y, uint32_t *b_cb);
279
280         void (*program_manual_trigger)(struct timing_generator *optc);
281         void (*setup_manual_trigger)(struct timing_generator *optc);
282         bool (*get_hw_timing)(struct timing_generator *optc,
283                         struct dc_crtc_timing *hw_crtc_timing);
284
285         void (*set_vtg_params)(struct timing_generator *optc,
286                         const struct dc_crtc_timing *dc_crtc_timing, bool program_fp2);
287
288         void (*set_dsc_config)(struct timing_generator *optc,
289                                enum optc_dsc_mode dsc_mode,
290                                uint32_t dsc_bytes_per_pixel,
291                                uint32_t dsc_slice_width);
292         void (*set_odm_bypass)(struct timing_generator *optc, const struct dc_crtc_timing *dc_crtc_timing);
293         void (*set_odm_combine)(struct timing_generator *optc, int *opp_id, int opp_cnt,
294                         struct dc_crtc_timing *timing);
295         void (*set_gsl)(struct timing_generator *optc, const struct gsl_params *params);
296         void (*set_gsl_source_select)(struct timing_generator *optc,
297                         int group_idx,
298                         uint32_t gsl_ready_signal);
299         void (*set_out_mux)(struct timing_generator *tg, enum otg_out_mux_dest dest);
300         void (*set_vrr_m_const)(struct timing_generator *optc,
301                         double vtotal_avg);
302         void (*set_drr_trigger_window)(struct timing_generator *optc,
303                         uint32_t window_start, uint32_t window_end);
304         void (*set_vtotal_change_limit)(struct timing_generator *optc,
305                         uint32_t limit);
306         void (*align_vblanks)(struct timing_generator *master_optc,
307                         struct timing_generator *slave_optc,
308                         uint32_t master_pixel_clock_100Hz,
309                         uint32_t slave_pixel_clock_100Hz,
310                         uint8_t master_clock_divider,
311                         uint8_t slave_clock_divider);
312 };
313
314 #endif