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
27 #include "reg_helper.h"
28 #include "dcn10_optc.h"
29 #include "dc.h"
30
31 #define REG(reg)\
32 optc1->tg_regs->reg
33
34 #define CTX \
35 optc1->base.ctx
36
37 #undef FN
38 #define FN(reg_name, field_name) \
39 optc1->tg_shift->field_name, optc1->tg_mask->field_name
40
41 #define STATIC_SCREEN_EVENT_MASK_RANGETIMING_DOUBLE_BUFFER_UPDATE_EN 0x100
42
43 /**
44 * apply_front_porch_workaround TODO FPGA still need?
45 *
46 * This is a workaround for a bug that has existed since R5xx and has not been
47 * fixed keep Front porch at minimum 2 for Interlaced mode or 1 for progressive.
48 */
optc1_apply_front_porch_workaround(struct timing_generator * optc,struct dc_crtc_timing * timing)49 static void optc1_apply_front_porch_workaround(
50 struct timing_generator *optc,
51 struct dc_crtc_timing *timing)
52 {
53 if (timing->flags.INTERLACE == 1) {
54 if (timing->v_front_porch < 2)
55 timing->v_front_porch = 2;
56 } else {
57 if (timing->v_front_porch < 1)
58 timing->v_front_porch = 1;
59 }
60 }
61
optc1_program_global_sync(struct timing_generator * optc)62 void optc1_program_global_sync(
63 struct timing_generator *optc)
64 {
65 struct optc *optc1 = DCN10TG_FROM_TG(optc);
66
67 if (optc->dlg_otg_param.vstartup_start == 0) {
68 BREAK_TO_DEBUGGER();
69 return;
70 }
71
72 REG_SET(OTG_VSTARTUP_PARAM, 0,
73 VSTARTUP_START, optc->dlg_otg_param.vstartup_start);
74
75 REG_SET_2(OTG_VUPDATE_PARAM, 0,
76 VUPDATE_OFFSET, optc->dlg_otg_param.vupdate_offset,
77 VUPDATE_WIDTH, optc->dlg_otg_param.vupdate_width);
78
79 REG_SET(OTG_VREADY_PARAM, 0,
80 VREADY_OFFSET, optc->dlg_otg_param.vready_offset);
81 }
82
optc1_disable_stereo(struct timing_generator * optc)83 static void optc1_disable_stereo(struct timing_generator *optc)
84 {
85 struct optc *optc1 = DCN10TG_FROM_TG(optc);
86
87 REG_SET(OTG_STEREO_CONTROL, 0,
88 OTG_STEREO_EN, 0);
89
90 REG_SET_3(OTG_3D_STRUCTURE_CONTROL, 0,
91 OTG_3D_STRUCTURE_EN, 0,
92 OTG_3D_STRUCTURE_V_UPDATE_MODE, 0,
93 OTG_3D_STRUCTURE_STEREO_SEL_OVR, 0);
94 }
95
get_start_vline(struct timing_generator * optc,const struct dc_crtc_timing * dc_crtc_timing)96 static uint32_t get_start_vline(struct timing_generator *optc, const struct dc_crtc_timing *dc_crtc_timing)
97 {
98 struct dc_crtc_timing patched_crtc_timing;
99 int vesa_sync_start;
100 int asic_blank_end;
101 int interlace_factor;
102 int vertical_line_start;
103
104 patched_crtc_timing = *dc_crtc_timing;
105 optc1_apply_front_porch_workaround(optc, &patched_crtc_timing);
106
107 vesa_sync_start = patched_crtc_timing.h_addressable +
108 patched_crtc_timing.h_border_right +
109 patched_crtc_timing.h_front_porch;
110
111 asic_blank_end = patched_crtc_timing.h_total -
112 vesa_sync_start -
113 patched_crtc_timing.h_border_left;
114
115 interlace_factor = patched_crtc_timing.flags.INTERLACE ? 2 : 1;
116
117 vesa_sync_start = patched_crtc_timing.v_addressable +
118 patched_crtc_timing.v_border_bottom +
119 patched_crtc_timing.v_front_porch;
120
121 asic_blank_end = (patched_crtc_timing.v_total -
122 vesa_sync_start -
123 patched_crtc_timing.v_border_top)
124 * interlace_factor;
125
126 vertical_line_start = asic_blank_end - optc->dlg_otg_param.vstartup_start + 1;
127 if (vertical_line_start < 0) {
128 ASSERT(0);
129 vertical_line_start = 0;
130 }
131
132 return vertical_line_start;
133 }
134
optc1_program_vline_interrupt(struct timing_generator * optc,const struct dc_crtc_timing * dc_crtc_timing,unsigned long long vsync_delta)135 void optc1_program_vline_interrupt(
136 struct timing_generator *optc,
137 const struct dc_crtc_timing *dc_crtc_timing,
138 unsigned long long vsync_delta)
139 {
140
141 struct optc *optc1 = DCN10TG_FROM_TG(optc);
142
143 unsigned long long req_delta_tens_of_usec = div64_u64((vsync_delta + 9999), 10000);
144 unsigned long long pix_clk_hundreds_khz = div64_u64((dc_crtc_timing->pix_clk_khz + 99), 100);
145 uint32_t req_delta_lines = (uint32_t) div64_u64(
146 (req_delta_tens_of_usec * pix_clk_hundreds_khz + dc_crtc_timing->h_total - 1),
147 dc_crtc_timing->h_total);
148
149 uint32_t vsync_line = get_start_vline(optc, dc_crtc_timing);
150 uint32_t start_line = 0;
151 uint32_t endLine = 0;
152
153 if (req_delta_lines != 0)
154 req_delta_lines--;
155
156 if (req_delta_lines > vsync_line)
157 start_line = dc_crtc_timing->v_total - (req_delta_lines - vsync_line) - 1;
158 else
159 start_line = vsync_line - req_delta_lines;
160
161 endLine = start_line + 2;
162
163 if (endLine >= dc_crtc_timing->v_total)
164 endLine = 2;
165
166 REG_SET_2(OTG_VERTICAL_INTERRUPT0_POSITION, 0,
167 OTG_VERTICAL_INTERRUPT0_LINE_START, start_line,
168 OTG_VERTICAL_INTERRUPT0_LINE_END, endLine);
169 }
170
171 /**
172 * program_timing_generator used by mode timing set
173 * Program CRTC Timing Registers - OTG_H_*, OTG_V_*, Pixel repetition.
174 * Including SYNC. Call BIOS command table to program Timings.
175 */
optc1_program_timing(struct timing_generator * optc,const struct dc_crtc_timing * dc_crtc_timing,bool use_vbios)176 void optc1_program_timing(
177 struct timing_generator *optc,
178 const struct dc_crtc_timing *dc_crtc_timing,
179 bool use_vbios)
180 {
181 struct dc_crtc_timing patched_crtc_timing;
182 uint32_t vesa_sync_start;
183 uint32_t asic_blank_end;
184 uint32_t asic_blank_start;
185 uint32_t v_total;
186 uint32_t v_sync_end;
187 uint32_t v_init, v_fp2;
188 uint32_t h_sync_polarity, v_sync_polarity;
189 uint32_t interlace_factor;
190 uint32_t start_point = 0;
191 uint32_t field_num = 0;
192 uint32_t h_div_2;
193 int32_t vertical_line_start;
194
195 struct optc *optc1 = DCN10TG_FROM_TG(optc);
196
197 patched_crtc_timing = *dc_crtc_timing;
198 optc1_apply_front_porch_workaround(optc, &patched_crtc_timing);
199
200 /* Load horizontal timing */
201
202 /* CRTC_H_TOTAL = vesa.h_total - 1 */
203 REG_SET(OTG_H_TOTAL, 0,
204 OTG_H_TOTAL, patched_crtc_timing.h_total - 1);
205
206 /* h_sync_start = 0, h_sync_end = vesa.h_sync_width */
207 REG_UPDATE_2(OTG_H_SYNC_A,
208 OTG_H_SYNC_A_START, 0,
209 OTG_H_SYNC_A_END, patched_crtc_timing.h_sync_width);
210
211 /* asic_h_blank_end = HsyncWidth + HbackPorch =
212 * vesa. usHorizontalTotal - vesa. usHorizontalSyncStart -
213 * vesa.h_left_border
214 */
215 vesa_sync_start = patched_crtc_timing.h_addressable +
216 patched_crtc_timing.h_border_right +
217 patched_crtc_timing.h_front_porch;
218
219 asic_blank_end = patched_crtc_timing.h_total -
220 vesa_sync_start -
221 patched_crtc_timing.h_border_left;
222
223 /* h_blank_start = v_blank_end + v_active */
224 asic_blank_start = asic_blank_end +
225 patched_crtc_timing.h_border_left +
226 patched_crtc_timing.h_addressable +
227 patched_crtc_timing.h_border_right;
228
229 REG_UPDATE_2(OTG_H_BLANK_START_END,
230 OTG_H_BLANK_START, asic_blank_start,
231 OTG_H_BLANK_END, asic_blank_end);
232
233 /* h_sync polarity */
234 h_sync_polarity = patched_crtc_timing.flags.HSYNC_POSITIVE_POLARITY ?
235 0 : 1;
236
237 REG_UPDATE(OTG_H_SYNC_A_CNTL,
238 OTG_H_SYNC_A_POL, h_sync_polarity);
239
240 /* Load vertical timing */
241
242 /* CRTC_V_TOTAL = v_total - 1 */
243 if (patched_crtc_timing.flags.INTERLACE) {
244 interlace_factor = 2;
245 v_total = 2 * patched_crtc_timing.v_total;
246 } else {
247 interlace_factor = 1;
248 v_total = patched_crtc_timing.v_total - 1;
249 }
250 REG_SET(OTG_V_TOTAL, 0,
251 OTG_V_TOTAL, v_total);
252
253 /* In case of V_TOTAL_CONTROL is on, make sure OTG_V_TOTAL_MAX and
254 * OTG_V_TOTAL_MIN are equal to V_TOTAL.
255 */
256 REG_SET(OTG_V_TOTAL_MAX, 0,
257 OTG_V_TOTAL_MAX, v_total);
258 REG_SET(OTG_V_TOTAL_MIN, 0,
259 OTG_V_TOTAL_MIN, v_total);
260
261 /* v_sync_start = 0, v_sync_end = v_sync_width */
262 v_sync_end = patched_crtc_timing.v_sync_width * interlace_factor;
263
264 REG_UPDATE_2(OTG_V_SYNC_A,
265 OTG_V_SYNC_A_START, 0,
266 OTG_V_SYNC_A_END, v_sync_end);
267
268 vesa_sync_start = patched_crtc_timing.v_addressable +
269 patched_crtc_timing.v_border_bottom +
270 patched_crtc_timing.v_front_porch;
271
272 asic_blank_end = (patched_crtc_timing.v_total -
273 vesa_sync_start -
274 patched_crtc_timing.v_border_top)
275 * interlace_factor;
276
277 /* v_blank_start = v_blank_end + v_active */
278 asic_blank_start = asic_blank_end +
279 (patched_crtc_timing.v_border_top +
280 patched_crtc_timing.v_addressable +
281 patched_crtc_timing.v_border_bottom)
282 * interlace_factor;
283
284 REG_UPDATE_2(OTG_V_BLANK_START_END,
285 OTG_V_BLANK_START, asic_blank_start,
286 OTG_V_BLANK_END, asic_blank_end);
287
288 /* Use OTG_VERTICAL_INTERRUPT2 replace VUPDATE interrupt,
289 * program the reg for interrupt postition.
290 */
291 vertical_line_start = asic_blank_end - optc->dlg_otg_param.vstartup_start + 1;
292 if (vertical_line_start < 0) {
293 ASSERT(0);
294 vertical_line_start = 0;
295 }
296 REG_SET(OTG_VERTICAL_INTERRUPT2_POSITION, 0,
297 OTG_VERTICAL_INTERRUPT2_LINE_START, vertical_line_start);
298
299 /* v_sync polarity */
300 v_sync_polarity = patched_crtc_timing.flags.VSYNC_POSITIVE_POLARITY ?
301 0 : 1;
302
303 REG_UPDATE(OTG_V_SYNC_A_CNTL,
304 OTG_V_SYNC_A_POL, v_sync_polarity);
305
306 v_init = asic_blank_start;
307 if (optc->dlg_otg_param.signal == SIGNAL_TYPE_DISPLAY_PORT ||
308 optc->dlg_otg_param.signal == SIGNAL_TYPE_DISPLAY_PORT_MST ||
309 optc->dlg_otg_param.signal == SIGNAL_TYPE_EDP) {
310 start_point = 1;
311 if (patched_crtc_timing.flags.INTERLACE == 1)
312 field_num = 1;
313 }
314 v_fp2 = 0;
315 if (optc->dlg_otg_param.vstartup_start > asic_blank_end)
316 v_fp2 = optc->dlg_otg_param.vstartup_start > asic_blank_end;
317
318 /* Interlace */
319 if (patched_crtc_timing.flags.INTERLACE == 1) {
320 REG_UPDATE(OTG_INTERLACE_CONTROL,
321 OTG_INTERLACE_ENABLE, 1);
322 v_init = v_init / 2;
323 if ((optc->dlg_otg_param.vstartup_start/2)*2 > asic_blank_end)
324 v_fp2 = v_fp2 / 2;
325 } else
326 REG_UPDATE(OTG_INTERLACE_CONTROL,
327 OTG_INTERLACE_ENABLE, 0);
328
329
330 /* VTG enable set to 0 first VInit */
331 REG_UPDATE(CONTROL,
332 VTG0_ENABLE, 0);
333
334 REG_UPDATE_2(CONTROL,
335 VTG0_FP2, v_fp2,
336 VTG0_VCOUNT_INIT, v_init);
337
338 /* original code is using VTG offset to address OTG reg, seems wrong */
339 REG_UPDATE_2(OTG_CONTROL,
340 OTG_START_POINT_CNTL, start_point,
341 OTG_FIELD_NUMBER_CNTL, field_num);
342
343 optc1_program_global_sync(optc);
344
345 /* TODO
346 * patched_crtc_timing.flags.HORZ_COUNT_BY_TWO == 1
347 * program_horz_count_by_2
348 * for DVI 30bpp mode, 0 otherwise
349 * program_horz_count_by_2(optc, &patched_crtc_timing);
350 */
351
352 /* Enable stereo - only when we need to pack 3D frame. Other types
353 * of stereo handled in explicit call
354 */
355 h_div_2 = (dc_crtc_timing->pixel_encoding == PIXEL_ENCODING_YCBCR420) ?
356 1 : 0;
357
358 REG_UPDATE(OTG_H_TIMING_CNTL,
359 OTG_H_TIMING_DIV_BY2, h_div_2);
360
361 }
362
optc1_set_blank_data_double_buffer(struct timing_generator * optc,bool enable)363 void optc1_set_blank_data_double_buffer(struct timing_generator *optc, bool enable)
364 {
365 struct optc *optc1 = DCN10TG_FROM_TG(optc);
366
367 uint32_t blank_data_double_buffer_enable = enable ? 1 : 0;
368
369 REG_UPDATE(OTG_DOUBLE_BUFFER_CONTROL,
370 OTG_BLANK_DATA_DOUBLE_BUFFER_EN, blank_data_double_buffer_enable);
371 }
372
373 /**
374 * unblank_crtc
375 * Call ASIC Control Object to UnBlank CRTC.
376 */
optc1_unblank_crtc(struct timing_generator * optc)377 static void optc1_unblank_crtc(struct timing_generator *optc)
378 {
379 struct optc *optc1 = DCN10TG_FROM_TG(optc);
380 uint32_t vertical_interrupt_enable = 0;
381
382 REG_GET(OTG_VERTICAL_INTERRUPT2_CONTROL,
383 OTG_VERTICAL_INTERRUPT2_INT_ENABLE, &vertical_interrupt_enable);
384
385 /* temporary work around for vertical interrupt, once vertical interrupt enabled,
386 * this check will be removed.
387 */
388 if (vertical_interrupt_enable)
389 optc1_set_blank_data_double_buffer(optc, true);
390
391 REG_UPDATE_2(OTG_BLANK_CONTROL,
392 OTG_BLANK_DATA_EN, 0,
393 OTG_BLANK_DE_MODE, 0);
394 }
395
396 /**
397 * blank_crtc
398 * Call ASIC Control Object to Blank CRTC.
399 */
400
optc1_blank_crtc(struct timing_generator * optc)401 static void optc1_blank_crtc(struct timing_generator *optc)
402 {
403 struct optc *optc1 = DCN10TG_FROM_TG(optc);
404
405 REG_UPDATE_2(OTG_BLANK_CONTROL,
406 OTG_BLANK_DATA_EN, 1,
407 OTG_BLANK_DE_MODE, 0);
408
409 optc1_set_blank_data_double_buffer(optc, false);
410 }
411
optc1_set_blank(struct timing_generator * optc,bool enable_blanking)412 void optc1_set_blank(struct timing_generator *optc,
413 bool enable_blanking)
414 {
415 if (enable_blanking)
416 optc1_blank_crtc(optc);
417 else
418 optc1_unblank_crtc(optc);
419 }
420
optc1_is_blanked(struct timing_generator * optc)421 bool optc1_is_blanked(struct timing_generator *optc)
422 {
423 struct optc *optc1 = DCN10TG_FROM_TG(optc);
424 uint32_t blank_en;
425 uint32_t blank_state;
426
427 REG_GET_2(OTG_BLANK_CONTROL,
428 OTG_BLANK_DATA_EN, &blank_en,
429 OTG_CURRENT_BLANK_STATE, &blank_state);
430
431 return blank_en && blank_state;
432 }
433
optc1_enable_optc_clock(struct timing_generator * optc,bool enable)434 void optc1_enable_optc_clock(struct timing_generator *optc, bool enable)
435 {
436 struct optc *optc1 = DCN10TG_FROM_TG(optc);
437
438 if (enable) {
439 REG_UPDATE_2(OPTC_INPUT_CLOCK_CONTROL,
440 OPTC_INPUT_CLK_EN, 1,
441 OPTC_INPUT_CLK_GATE_DIS, 1);
442
443 REG_WAIT(OPTC_INPUT_CLOCK_CONTROL,
444 OPTC_INPUT_CLK_ON, 1,
445 1, 1000);
446
447 /* Enable clock */
448 REG_UPDATE_2(OTG_CLOCK_CONTROL,
449 OTG_CLOCK_EN, 1,
450 OTG_CLOCK_GATE_DIS, 1);
451 REG_WAIT(OTG_CLOCK_CONTROL,
452 OTG_CLOCK_ON, 1,
453 1, 1000);
454 } else {
455 REG_UPDATE_2(OTG_CLOCK_CONTROL,
456 OTG_CLOCK_GATE_DIS, 0,
457 OTG_CLOCK_EN, 0);
458
459 REG_UPDATE_2(OPTC_INPUT_CLOCK_CONTROL,
460 OPTC_INPUT_CLK_GATE_DIS, 0,
461 OPTC_INPUT_CLK_EN, 0);
462 }
463 }
464
465 /**
466 * Enable CRTC
467 * Enable CRTC - call ASIC Control Object to enable Timing generator.
468 */
optc1_enable_crtc(struct timing_generator * optc)469 static bool optc1_enable_crtc(struct timing_generator *optc)
470 {
471 /* TODO FPGA wait for answer
472 * OTG_MASTER_UPDATE_MODE != CRTC_MASTER_UPDATE_MODE
473 * OTG_MASTER_UPDATE_LOCK != CRTC_MASTER_UPDATE_LOCK
474 */
475 struct optc *optc1 = DCN10TG_FROM_TG(optc);
476
477 /* opp instance for OTG. For DCN1.0, ODM is remoed.
478 * OPP and OPTC should 1:1 mapping
479 */
480 REG_UPDATE(OPTC_DATA_SOURCE_SELECT,
481 OPTC_SRC_SEL, optc->inst);
482
483 /* VTG enable first is for HW workaround */
484 REG_UPDATE(CONTROL,
485 VTG0_ENABLE, 1);
486
487 /* Enable CRTC */
488 REG_UPDATE_2(OTG_CONTROL,
489 OTG_DISABLE_POINT_CNTL, 3,
490 OTG_MASTER_EN, 1);
491
492 return true;
493 }
494
495 /* disable_crtc - call ASIC Control Object to disable Timing generator. */
optc1_disable_crtc(struct timing_generator * optc)496 bool optc1_disable_crtc(struct timing_generator *optc)
497 {
498 struct optc *optc1 = DCN10TG_FROM_TG(optc);
499
500 /* disable otg request until end of the first line
501 * in the vertical blank region
502 */
503 REG_UPDATE_2(OTG_CONTROL,
504 OTG_DISABLE_POINT_CNTL, 3,
505 OTG_MASTER_EN, 0);
506
507 REG_UPDATE(CONTROL,
508 VTG0_ENABLE, 0);
509
510 /* CRTC disabled, so disable clock. */
511 REG_WAIT(OTG_CLOCK_CONTROL,
512 OTG_BUSY, 0,
513 1, 100000);
514
515 return true;
516 }
517
518
optc1_program_blank_color(struct timing_generator * optc,const struct tg_color * black_color)519 void optc1_program_blank_color(
520 struct timing_generator *optc,
521 const struct tg_color *black_color)
522 {
523 struct optc *optc1 = DCN10TG_FROM_TG(optc);
524
525 REG_SET_3(OTG_BLACK_COLOR, 0,
526 OTG_BLACK_COLOR_B_CB, black_color->color_b_cb,
527 OTG_BLACK_COLOR_G_Y, black_color->color_g_y,
528 OTG_BLACK_COLOR_R_CR, black_color->color_r_cr);
529 }
530
optc1_validate_timing(struct timing_generator * optc,const struct dc_crtc_timing * timing)531 bool optc1_validate_timing(
532 struct timing_generator *optc,
533 const struct dc_crtc_timing *timing)
534 {
535 uint32_t interlace_factor;
536 uint32_t v_blank;
537 uint32_t h_blank;
538 uint32_t min_v_blank;
539 struct optc *optc1 = DCN10TG_FROM_TG(optc);
540
541 ASSERT(timing != NULL);
542
543 interlace_factor = timing->flags.INTERLACE ? 2 : 1;
544 v_blank = (timing->v_total - timing->v_addressable -
545 timing->v_border_top - timing->v_border_bottom) *
546 interlace_factor;
547
548 h_blank = (timing->h_total - timing->h_addressable -
549 timing->h_border_right -
550 timing->h_border_left);
551
552 if (timing->timing_3d_format != TIMING_3D_FORMAT_NONE &&
553 timing->timing_3d_format != TIMING_3D_FORMAT_HW_FRAME_PACKING &&
554 timing->timing_3d_format != TIMING_3D_FORMAT_TOP_AND_BOTTOM &&
555 timing->timing_3d_format != TIMING_3D_FORMAT_SIDE_BY_SIDE &&
556 timing->timing_3d_format != TIMING_3D_FORMAT_FRAME_ALTERNATE &&
557 timing->timing_3d_format != TIMING_3D_FORMAT_INBAND_FA)
558 return false;
559
560 /* Temporarily blocking interlacing mode until it's supported */
561 if (timing->flags.INTERLACE == 1)
562 return false;
563
564 /* Check maximum number of pixels supported by Timing Generator
565 * (Currently will never fail, in order to fail needs display which
566 * needs more than 8192 horizontal and
567 * more than 8192 vertical total pixels)
568 */
569 if (timing->h_total > optc1->max_h_total ||
570 timing->v_total > optc1->max_v_total)
571 return false;
572
573
574 if (h_blank < optc1->min_h_blank)
575 return false;
576
577 if (timing->h_sync_width < optc1->min_h_sync_width ||
578 timing->v_sync_width < optc1->min_v_sync_width)
579 return false;
580
581 min_v_blank = timing->flags.INTERLACE?optc1->min_v_blank_interlace:optc1->min_v_blank;
582
583 if (v_blank < min_v_blank)
584 return false;
585
586 return true;
587
588 }
589
590 /*
591 * get_vblank_counter
592 *
593 * @brief
594 * Get counter for vertical blanks. use register CRTC_STATUS_FRAME_COUNT which
595 * holds the counter of frames.
596 *
597 * @param
598 * struct timing_generator *optc - [in] timing generator which controls the
599 * desired CRTC
600 *
601 * @return
602 * Counter of frames, which should equal to number of vblanks.
603 */
optc1_get_vblank_counter(struct timing_generator * optc)604 uint32_t optc1_get_vblank_counter(struct timing_generator *optc)
605 {
606 struct optc *optc1 = DCN10TG_FROM_TG(optc);
607 uint32_t frame_count;
608
609 REG_GET(OTG_STATUS_FRAME_COUNT,
610 OTG_FRAME_COUNT, &frame_count);
611
612 return frame_count;
613 }
614
optc1_lock(struct timing_generator * optc)615 void optc1_lock(struct timing_generator *optc)
616 {
617 struct optc *optc1 = DCN10TG_FROM_TG(optc);
618
619 REG_SET(OTG_GLOBAL_CONTROL0, 0,
620 OTG_MASTER_UPDATE_LOCK_SEL, optc->inst);
621 REG_SET(OTG_MASTER_UPDATE_LOCK, 0,
622 OTG_MASTER_UPDATE_LOCK, 1);
623
624 /* Should be fast, status does not update on maximus */
625 if (optc->ctx->dce_environment != DCE_ENV_FPGA_MAXIMUS)
626 REG_WAIT(OTG_MASTER_UPDATE_LOCK,
627 UPDATE_LOCK_STATUS, 1,
628 1, 10);
629 }
630
optc1_unlock(struct timing_generator * optc)631 void optc1_unlock(struct timing_generator *optc)
632 {
633 struct optc *optc1 = DCN10TG_FROM_TG(optc);
634
635 REG_SET(OTG_MASTER_UPDATE_LOCK, 0,
636 OTG_MASTER_UPDATE_LOCK, 0);
637 }
638
optc1_get_position(struct timing_generator * optc,struct crtc_position * position)639 void optc1_get_position(struct timing_generator *optc,
640 struct crtc_position *position)
641 {
642 struct optc *optc1 = DCN10TG_FROM_TG(optc);
643
644 REG_GET_2(OTG_STATUS_POSITION,
645 OTG_HORZ_COUNT, &position->horizontal_count,
646 OTG_VERT_COUNT, &position->vertical_count);
647
648 REG_GET(OTG_NOM_VERT_POSITION,
649 OTG_VERT_COUNT_NOM, &position->nominal_vcount);
650 }
651
optc1_is_counter_moving(struct timing_generator * optc)652 bool optc1_is_counter_moving(struct timing_generator *optc)
653 {
654 struct crtc_position position1, position2;
655
656 optc->funcs->get_position(optc, &position1);
657 optc->funcs->get_position(optc, &position2);
658
659 if (position1.horizontal_count == position2.horizontal_count &&
660 position1.vertical_count == position2.vertical_count)
661 return false;
662 else
663 return true;
664 }
665
optc1_did_triggered_reset_occur(struct timing_generator * optc)666 bool optc1_did_triggered_reset_occur(
667 struct timing_generator *optc)
668 {
669 struct optc *optc1 = DCN10TG_FROM_TG(optc);
670 uint32_t occurred_force, occurred_vsync;
671
672 REG_GET(OTG_FORCE_COUNT_NOW_CNTL,
673 OTG_FORCE_COUNT_NOW_OCCURRED, &occurred_force);
674
675 REG_GET(OTG_VERT_SYNC_CONTROL,
676 OTG_FORCE_VSYNC_NEXT_LINE_OCCURRED, &occurred_vsync);
677
678 return occurred_vsync != 0 || occurred_force != 0;
679 }
680
optc1_disable_reset_trigger(struct timing_generator * optc)681 void optc1_disable_reset_trigger(struct timing_generator *optc)
682 {
683 struct optc *optc1 = DCN10TG_FROM_TG(optc);
684
685 REG_WRITE(OTG_TRIGA_CNTL, 0);
686
687 REG_SET(OTG_FORCE_COUNT_NOW_CNTL, 0,
688 OTG_FORCE_COUNT_NOW_CLEAR, 1);
689
690 REG_SET(OTG_VERT_SYNC_CONTROL, 0,
691 OTG_FORCE_VSYNC_NEXT_LINE_CLEAR, 1);
692 }
693
optc1_enable_reset_trigger(struct timing_generator * optc,int source_tg_inst)694 void optc1_enable_reset_trigger(struct timing_generator *optc, int source_tg_inst)
695 {
696 struct optc *optc1 = DCN10TG_FROM_TG(optc);
697 uint32_t falling_edge;
698
699 REG_GET(OTG_V_SYNC_A_CNTL,
700 OTG_V_SYNC_A_POL, &falling_edge);
701
702 if (falling_edge)
703 REG_SET_3(OTG_TRIGA_CNTL, 0,
704 /* vsync signal from selected OTG pipe based
705 * on OTG_TRIG_SOURCE_PIPE_SELECT setting
706 */
707 OTG_TRIGA_SOURCE_SELECT, 20,
708 OTG_TRIGA_SOURCE_PIPE_SELECT, source_tg_inst,
709 /* always detect falling edge */
710 OTG_TRIGA_FALLING_EDGE_DETECT_CNTL, 1);
711 else
712 REG_SET_3(OTG_TRIGA_CNTL, 0,
713 /* vsync signal from selected OTG pipe based
714 * on OTG_TRIG_SOURCE_PIPE_SELECT setting
715 */
716 OTG_TRIGA_SOURCE_SELECT, 20,
717 OTG_TRIGA_SOURCE_PIPE_SELECT, source_tg_inst,
718 /* always detect rising edge */
719 OTG_TRIGA_RISING_EDGE_DETECT_CNTL, 1);
720
721 REG_SET(OTG_FORCE_COUNT_NOW_CNTL, 0,
722 /* force H count to H_TOTAL and V count to V_TOTAL in
723 * progressive mode and V_TOTAL-1 in interlaced mode
724 */
725 OTG_FORCE_COUNT_NOW_MODE, 2);
726 }
727
optc1_enable_crtc_reset(struct timing_generator * optc,int source_tg_inst,struct crtc_trigger_info * crtc_tp)728 void optc1_enable_crtc_reset(
729 struct timing_generator *optc,
730 int source_tg_inst,
731 struct crtc_trigger_info *crtc_tp)
732 {
733 struct optc *optc1 = DCN10TG_FROM_TG(optc);
734 uint32_t falling_edge = 0;
735 uint32_t rising_edge = 0;
736
737 switch (crtc_tp->event) {
738
739 case CRTC_EVENT_VSYNC_RISING:
740 rising_edge = 1;
741 break;
742
743 case CRTC_EVENT_VSYNC_FALLING:
744 falling_edge = 1;
745 break;
746 }
747
748 REG_SET_4(OTG_TRIGA_CNTL, 0,
749 /* vsync signal from selected OTG pipe based
750 * on OTG_TRIG_SOURCE_PIPE_SELECT setting
751 */
752 OTG_TRIGA_SOURCE_SELECT, 20,
753 OTG_TRIGA_SOURCE_PIPE_SELECT, source_tg_inst,
754 /* always detect falling edge */
755 OTG_TRIGA_RISING_EDGE_DETECT_CNTL, rising_edge,
756 OTG_TRIGA_FALLING_EDGE_DETECT_CNTL, falling_edge);
757
758 switch (crtc_tp->delay) {
759 case TRIGGER_DELAY_NEXT_LINE:
760 REG_SET(OTG_VERT_SYNC_CONTROL, 0,
761 OTG_AUTO_FORCE_VSYNC_MODE, 1);
762 break;
763 case TRIGGER_DELAY_NEXT_PIXEL:
764 REG_SET(OTG_FORCE_COUNT_NOW_CNTL, 0,
765 /* force H count to H_TOTAL and V count to V_TOTAL in
766 * progressive mode and V_TOTAL-1 in interlaced mode
767 */
768 OTG_FORCE_COUNT_NOW_MODE, 2);
769 break;
770 }
771 }
772
optc1_wait_for_state(struct timing_generator * optc,enum crtc_state state)773 void optc1_wait_for_state(struct timing_generator *optc,
774 enum crtc_state state)
775 {
776 struct optc *optc1 = DCN10TG_FROM_TG(optc);
777
778 switch (state) {
779 case CRTC_STATE_VBLANK:
780 REG_WAIT(OTG_STATUS,
781 OTG_V_BLANK, 1,
782 1, 100000); /* 1 vupdate at 10hz */
783 break;
784
785 case CRTC_STATE_VACTIVE:
786 REG_WAIT(OTG_STATUS,
787 OTG_V_ACTIVE_DISP, 1,
788 1, 100000); /* 1 vupdate at 10hz */
789 break;
790
791 default:
792 break;
793 }
794 }
795
optc1_set_early_control(struct timing_generator * optc,uint32_t early_cntl)796 void optc1_set_early_control(
797 struct timing_generator *optc,
798 uint32_t early_cntl)
799 {
800 /* asic design change, do not need this control
801 * empty for share caller logic
802 */
803 }
804
805
optc1_set_static_screen_control(struct timing_generator * optc,uint32_t value)806 void optc1_set_static_screen_control(
807 struct timing_generator *optc,
808 uint32_t value)
809 {
810 struct optc *optc1 = DCN10TG_FROM_TG(optc);
811
812 /* Bit 8 is no longer applicable in RV for PSR case,
813 * set bit 8 to 0 if given
814 */
815 if ((value & STATIC_SCREEN_EVENT_MASK_RANGETIMING_DOUBLE_BUFFER_UPDATE_EN)
816 != 0)
817 value = value &
818 ~STATIC_SCREEN_EVENT_MASK_RANGETIMING_DOUBLE_BUFFER_UPDATE_EN;
819
820 REG_SET_2(OTG_STATIC_SCREEN_CONTROL, 0,
821 OTG_STATIC_SCREEN_EVENT_MASK, value,
822 OTG_STATIC_SCREEN_FRAME_COUNT, 2);
823 }
824
825
826 /**
827 *****************************************************************************
828 * Function: set_drr
829 *
830 * @brief
831 * Program dynamic refresh rate registers m_OTGx_OTG_V_TOTAL_*.
832 *
833 *****************************************************************************
834 */
optc1_set_drr(struct timing_generator * optc,const struct drr_params * params)835 void optc1_set_drr(
836 struct timing_generator *optc,
837 const struct drr_params *params)
838 {
839 struct optc *optc1 = DCN10TG_FROM_TG(optc);
840
841 if (params != NULL &&
842 params->vertical_total_max > 0 &&
843 params->vertical_total_min > 0) {
844
845 REG_SET(OTG_V_TOTAL_MAX, 0,
846 OTG_V_TOTAL_MAX, params->vertical_total_max - 1);
847
848 REG_SET(OTG_V_TOTAL_MIN, 0,
849 OTG_V_TOTAL_MIN, params->vertical_total_min - 1);
850
851 REG_UPDATE_5(OTG_V_TOTAL_CONTROL,
852 OTG_V_TOTAL_MIN_SEL, 1,
853 OTG_V_TOTAL_MAX_SEL, 1,
854 OTG_FORCE_LOCK_ON_EVENT, 0,
855 OTG_SET_V_TOTAL_MIN_MASK_EN, 0,
856 OTG_SET_V_TOTAL_MIN_MASK, 0);
857 } else {
858 REG_UPDATE_4(OTG_V_TOTAL_CONTROL,
859 OTG_SET_V_TOTAL_MIN_MASK, 0,
860 OTG_V_TOTAL_MIN_SEL, 0,
861 OTG_V_TOTAL_MAX_SEL, 0,
862 OTG_FORCE_LOCK_ON_EVENT, 0);
863
864 REG_SET(OTG_V_TOTAL_MIN, 0,
865 OTG_V_TOTAL_MIN, 0);
866
867 REG_SET(OTG_V_TOTAL_MAX, 0,
868 OTG_V_TOTAL_MAX, 0);
869 }
870 }
871
optc1_set_test_pattern(struct timing_generator * optc,enum controller_dp_test_pattern test_pattern,enum dc_color_depth color_depth)872 static void optc1_set_test_pattern(
873 struct timing_generator *optc,
874 /* TODO: replace 'controller_dp_test_pattern' by 'test_pattern_mode'
875 * because this is not DP-specific (which is probably somewhere in DP
876 * encoder) */
877 enum controller_dp_test_pattern test_pattern,
878 enum dc_color_depth color_depth)
879 {
880 struct optc *optc1 = DCN10TG_FROM_TG(optc);
881 enum test_pattern_color_format bit_depth;
882 enum test_pattern_dyn_range dyn_range;
883 enum test_pattern_mode mode;
884 uint32_t pattern_mask;
885 uint32_t pattern_data;
886 /* color ramp generator mixes 16-bits color */
887 uint32_t src_bpc = 16;
888 /* requested bpc */
889 uint32_t dst_bpc;
890 uint32_t index;
891 /* RGB values of the color bars.
892 * Produce two RGB colors: RGB0 - white (all Fs)
893 * and RGB1 - black (all 0s)
894 * (three RGB components for two colors)
895 */
896 uint16_t src_color[6] = {0xFFFF, 0xFFFF, 0xFFFF, 0x0000,
897 0x0000, 0x0000};
898 /* dest color (converted to the specified color format) */
899 uint16_t dst_color[6];
900 uint32_t inc_base;
901
902 /* translate to bit depth */
903 switch (color_depth) {
904 case COLOR_DEPTH_666:
905 bit_depth = TEST_PATTERN_COLOR_FORMAT_BPC_6;
906 break;
907 case COLOR_DEPTH_888:
908 bit_depth = TEST_PATTERN_COLOR_FORMAT_BPC_8;
909 break;
910 case COLOR_DEPTH_101010:
911 bit_depth = TEST_PATTERN_COLOR_FORMAT_BPC_10;
912 break;
913 case COLOR_DEPTH_121212:
914 bit_depth = TEST_PATTERN_COLOR_FORMAT_BPC_12;
915 break;
916 default:
917 bit_depth = TEST_PATTERN_COLOR_FORMAT_BPC_8;
918 break;
919 }
920
921 switch (test_pattern) {
922 case CONTROLLER_DP_TEST_PATTERN_COLORSQUARES:
923 case CONTROLLER_DP_TEST_PATTERN_COLORSQUARES_CEA:
924 {
925 dyn_range = (test_pattern ==
926 CONTROLLER_DP_TEST_PATTERN_COLORSQUARES_CEA ?
927 TEST_PATTERN_DYN_RANGE_CEA :
928 TEST_PATTERN_DYN_RANGE_VESA);
929 mode = TEST_PATTERN_MODE_COLORSQUARES_RGB;
930
931 REG_UPDATE_2(OTG_TEST_PATTERN_PARAMETERS,
932 OTG_TEST_PATTERN_VRES, 6,
933 OTG_TEST_PATTERN_HRES, 6);
934
935 REG_UPDATE_4(OTG_TEST_PATTERN_CONTROL,
936 OTG_TEST_PATTERN_EN, 1,
937 OTG_TEST_PATTERN_MODE, mode,
938 OTG_TEST_PATTERN_DYNAMIC_RANGE, dyn_range,
939 OTG_TEST_PATTERN_COLOR_FORMAT, bit_depth);
940 }
941 break;
942
943 case CONTROLLER_DP_TEST_PATTERN_VERTICALBARS:
944 case CONTROLLER_DP_TEST_PATTERN_HORIZONTALBARS:
945 {
946 mode = (test_pattern ==
947 CONTROLLER_DP_TEST_PATTERN_VERTICALBARS ?
948 TEST_PATTERN_MODE_VERTICALBARS :
949 TEST_PATTERN_MODE_HORIZONTALBARS);
950
951 switch (bit_depth) {
952 case TEST_PATTERN_COLOR_FORMAT_BPC_6:
953 dst_bpc = 6;
954 break;
955 case TEST_PATTERN_COLOR_FORMAT_BPC_8:
956 dst_bpc = 8;
957 break;
958 case TEST_PATTERN_COLOR_FORMAT_BPC_10:
959 dst_bpc = 10;
960 break;
961 default:
962 dst_bpc = 8;
963 break;
964 }
965
966 /* adjust color to the required colorFormat */
967 for (index = 0; index < 6; index++) {
968 /* dst = 2^dstBpc * src / 2^srcBpc = src >>
969 * (srcBpc - dstBpc);
970 */
971 dst_color[index] =
972 src_color[index] >> (src_bpc - dst_bpc);
973 /* CRTC_TEST_PATTERN_DATA has 16 bits,
974 * lowest 6 are hardwired to ZERO
975 * color bits should be left aligned aligned to MSB
976 * XXXXXXXXXX000000 for 10 bit,
977 * XXXXXXXX00000000 for 8 bit and XXXXXX0000000000 for 6
978 */
979 dst_color[index] <<= (16 - dst_bpc);
980 }
981
982 REG_WRITE(OTG_TEST_PATTERN_PARAMETERS, 0);
983
984 /* We have to write the mask before data, similar to pipeline.
985 * For example, for 8 bpc, if we want RGB0 to be magenta,
986 * and RGB1 to be cyan,
987 * we need to make 7 writes:
988 * MASK DATA
989 * 000001 00000000 00000000 set mask to R0
990 * 000010 11111111 00000000 R0 255, 0xFF00, set mask to G0
991 * 000100 00000000 00000000 G0 0, 0x0000, set mask to B0
992 * 001000 11111111 00000000 B0 255, 0xFF00, set mask to R1
993 * 010000 00000000 00000000 R1 0, 0x0000, set mask to G1
994 * 100000 11111111 00000000 G1 255, 0xFF00, set mask to B1
995 * 100000 11111111 00000000 B1 255, 0xFF00
996 *
997 * we will make a loop of 6 in which we prepare the mask,
998 * then write, then prepare the color for next write.
999 * first iteration will write mask only,
1000 * but each next iteration color prepared in
1001 * previous iteration will be written within new mask,
1002 * the last component will written separately,
1003 * mask is not changing between 6th and 7th write
1004 * and color will be prepared by last iteration
1005 */
1006
1007 /* write color, color values mask in CRTC_TEST_PATTERN_MASK
1008 * is B1, G1, R1, B0, G0, R0
1009 */
1010 pattern_data = 0;
1011 for (index = 0; index < 6; index++) {
1012 /* prepare color mask, first write PATTERN_DATA
1013 * will have all zeros
1014 */
1015 pattern_mask = (1 << index);
1016
1017 /* write color component */
1018 REG_SET_2(OTG_TEST_PATTERN_COLOR, 0,
1019 OTG_TEST_PATTERN_MASK, pattern_mask,
1020 OTG_TEST_PATTERN_DATA, pattern_data);
1021
1022 /* prepare next color component,
1023 * will be written in the next iteration
1024 */
1025 pattern_data = dst_color[index];
1026 }
1027 /* write last color component,
1028 * it's been already prepared in the loop
1029 */
1030 REG_SET_2(OTG_TEST_PATTERN_COLOR, 0,
1031 OTG_TEST_PATTERN_MASK, pattern_mask,
1032 OTG_TEST_PATTERN_DATA, pattern_data);
1033
1034 /* enable test pattern */
1035 REG_UPDATE_4(OTG_TEST_PATTERN_CONTROL,
1036 OTG_TEST_PATTERN_EN, 1,
1037 OTG_TEST_PATTERN_MODE, mode,
1038 OTG_TEST_PATTERN_DYNAMIC_RANGE, 0,
1039 OTG_TEST_PATTERN_COLOR_FORMAT, bit_depth);
1040 }
1041 break;
1042
1043 case CONTROLLER_DP_TEST_PATTERN_COLORRAMP:
1044 {
1045 mode = (bit_depth ==
1046 TEST_PATTERN_COLOR_FORMAT_BPC_10 ?
1047 TEST_PATTERN_MODE_DUALRAMP_RGB :
1048 TEST_PATTERN_MODE_SINGLERAMP_RGB);
1049
1050 switch (bit_depth) {
1051 case TEST_PATTERN_COLOR_FORMAT_BPC_6:
1052 dst_bpc = 6;
1053 break;
1054 case TEST_PATTERN_COLOR_FORMAT_BPC_8:
1055 dst_bpc = 8;
1056 break;
1057 case TEST_PATTERN_COLOR_FORMAT_BPC_10:
1058 dst_bpc = 10;
1059 break;
1060 default:
1061 dst_bpc = 8;
1062 break;
1063 }
1064
1065 /* increment for the first ramp for one color gradation
1066 * 1 gradation for 6-bit color is 2^10
1067 * gradations in 16-bit color
1068 */
1069 inc_base = (src_bpc - dst_bpc);
1070
1071 switch (bit_depth) {
1072 case TEST_PATTERN_COLOR_FORMAT_BPC_6:
1073 {
1074 REG_UPDATE_5(OTG_TEST_PATTERN_PARAMETERS,
1075 OTG_TEST_PATTERN_INC0, inc_base,
1076 OTG_TEST_PATTERN_INC1, 0,
1077 OTG_TEST_PATTERN_HRES, 6,
1078 OTG_TEST_PATTERN_VRES, 6,
1079 OTG_TEST_PATTERN_RAMP0_OFFSET, 0);
1080 }
1081 break;
1082 case TEST_PATTERN_COLOR_FORMAT_BPC_8:
1083 {
1084 REG_UPDATE_5(OTG_TEST_PATTERN_PARAMETERS,
1085 OTG_TEST_PATTERN_INC0, inc_base,
1086 OTG_TEST_PATTERN_INC1, 0,
1087 OTG_TEST_PATTERN_HRES, 8,
1088 OTG_TEST_PATTERN_VRES, 6,
1089 OTG_TEST_PATTERN_RAMP0_OFFSET, 0);
1090 }
1091 break;
1092 case TEST_PATTERN_COLOR_FORMAT_BPC_10:
1093 {
1094 REG_UPDATE_5(OTG_TEST_PATTERN_PARAMETERS,
1095 OTG_TEST_PATTERN_INC0, inc_base,
1096 OTG_TEST_PATTERN_INC1, inc_base + 2,
1097 OTG_TEST_PATTERN_HRES, 8,
1098 OTG_TEST_PATTERN_VRES, 5,
1099 OTG_TEST_PATTERN_RAMP0_OFFSET, 384 << 6);
1100 }
1101 break;
1102 default:
1103 break;
1104 }
1105
1106 REG_WRITE(OTG_TEST_PATTERN_COLOR, 0);
1107
1108 /* enable test pattern */
1109 REG_WRITE(OTG_TEST_PATTERN_CONTROL, 0);
1110
1111 REG_SET_4(OTG_TEST_PATTERN_CONTROL, 0,
1112 OTG_TEST_PATTERN_EN, 1,
1113 OTG_TEST_PATTERN_MODE, mode,
1114 OTG_TEST_PATTERN_DYNAMIC_RANGE, 0,
1115 OTG_TEST_PATTERN_COLOR_FORMAT, bit_depth);
1116 }
1117 break;
1118 case CONTROLLER_DP_TEST_PATTERN_VIDEOMODE:
1119 {
1120 REG_WRITE(OTG_TEST_PATTERN_CONTROL, 0);
1121 REG_WRITE(OTG_TEST_PATTERN_COLOR, 0);
1122 REG_WRITE(OTG_TEST_PATTERN_PARAMETERS, 0);
1123 }
1124 break;
1125 default:
1126 break;
1127
1128 }
1129 }
1130
optc1_get_crtc_scanoutpos(struct timing_generator * optc,uint32_t * v_blank_start,uint32_t * v_blank_end,uint32_t * h_position,uint32_t * v_position)1131 void optc1_get_crtc_scanoutpos(
1132 struct timing_generator *optc,
1133 uint32_t *v_blank_start,
1134 uint32_t *v_blank_end,
1135 uint32_t *h_position,
1136 uint32_t *v_position)
1137 {
1138 struct optc *optc1 = DCN10TG_FROM_TG(optc);
1139 struct crtc_position position;
1140
1141 REG_GET_2(OTG_V_BLANK_START_END,
1142 OTG_V_BLANK_START, v_blank_start,
1143 OTG_V_BLANK_END, v_blank_end);
1144
1145 optc1_get_position(optc, &position);
1146
1147 *h_position = position.horizontal_count;
1148 *v_position = position.vertical_count;
1149 }
1150
optc1_enable_stereo(struct timing_generator * optc,const struct dc_crtc_timing * timing,struct crtc_stereo_flags * flags)1151 static void optc1_enable_stereo(struct timing_generator *optc,
1152 const struct dc_crtc_timing *timing, struct crtc_stereo_flags *flags)
1153 {
1154 struct optc *optc1 = DCN10TG_FROM_TG(optc);
1155
1156 if (flags) {
1157 uint32_t stereo_en;
1158 stereo_en = flags->FRAME_PACKED == 0 ? 1 : 0;
1159
1160 if (flags->PROGRAM_STEREO)
1161 REG_UPDATE_3(OTG_STEREO_CONTROL,
1162 OTG_STEREO_EN, stereo_en,
1163 OTG_STEREO_SYNC_OUTPUT_LINE_NUM, 0,
1164 OTG_STEREO_SYNC_OUTPUT_POLARITY, 0);
1165
1166 if (flags->PROGRAM_POLARITY)
1167 REG_UPDATE(OTG_STEREO_CONTROL,
1168 OTG_STEREO_EYE_FLAG_POLARITY,
1169 flags->RIGHT_EYE_POLARITY == 0 ? 0 : 1);
1170
1171 if (flags->DISABLE_STEREO_DP_SYNC)
1172 REG_UPDATE(OTG_STEREO_CONTROL,
1173 OTG_DISABLE_STEREOSYNC_OUTPUT_FOR_DP, 1);
1174
1175 if (flags->PROGRAM_STEREO)
1176 REG_UPDATE_3(OTG_3D_STRUCTURE_CONTROL,
1177 OTG_3D_STRUCTURE_EN, flags->FRAME_PACKED,
1178 OTG_3D_STRUCTURE_V_UPDATE_MODE, flags->FRAME_PACKED,
1179 OTG_3D_STRUCTURE_STEREO_SEL_OVR, flags->FRAME_PACKED);
1180
1181 }
1182 }
1183
optc1_program_stereo(struct timing_generator * optc,const struct dc_crtc_timing * timing,struct crtc_stereo_flags * flags)1184 void optc1_program_stereo(struct timing_generator *optc,
1185 const struct dc_crtc_timing *timing, struct crtc_stereo_flags *flags)
1186 {
1187 if (flags->PROGRAM_STEREO)
1188 optc1_enable_stereo(optc, timing, flags);
1189 else
1190 optc1_disable_stereo(optc);
1191 }
1192
1193
optc1_is_stereo_left_eye(struct timing_generator * optc)1194 bool optc1_is_stereo_left_eye(struct timing_generator *optc)
1195 {
1196 bool ret = false;
1197 uint32_t left_eye = 0;
1198 struct optc *optc1 = DCN10TG_FROM_TG(optc);
1199
1200 REG_GET(OTG_STEREO_STATUS,
1201 OTG_STEREO_CURRENT_EYE, &left_eye);
1202 if (left_eye == 1)
1203 ret = true;
1204 else
1205 ret = false;
1206
1207 return ret;
1208 }
1209
optc1_read_otg_state(struct optc * optc1,struct dcn_otg_state * s)1210 void optc1_read_otg_state(struct optc *optc1,
1211 struct dcn_otg_state *s)
1212 {
1213 REG_GET(OTG_CONTROL,
1214 OTG_MASTER_EN, &s->otg_enabled);
1215
1216 REG_GET_2(OTG_V_BLANK_START_END,
1217 OTG_V_BLANK_START, &s->v_blank_start,
1218 OTG_V_BLANK_END, &s->v_blank_end);
1219
1220 REG_GET(OTG_V_SYNC_A_CNTL,
1221 OTG_V_SYNC_A_POL, &s->v_sync_a_pol);
1222
1223 REG_GET(OTG_V_TOTAL,
1224 OTG_V_TOTAL, &s->v_total);
1225
1226 REG_GET(OTG_V_TOTAL_MAX,
1227 OTG_V_TOTAL_MAX, &s->v_total_max);
1228
1229 REG_GET(OTG_V_TOTAL_MIN,
1230 OTG_V_TOTAL_MIN, &s->v_total_min);
1231
1232 REG_GET(OTG_V_TOTAL_CONTROL,
1233 OTG_V_TOTAL_MAX_SEL, &s->v_total_max_sel);
1234
1235 REG_GET(OTG_V_TOTAL_CONTROL,
1236 OTG_V_TOTAL_MIN_SEL, &s->v_total_min_sel);
1237
1238 REG_GET_2(OTG_V_SYNC_A,
1239 OTG_V_SYNC_A_START, &s->v_sync_a_start,
1240 OTG_V_SYNC_A_END, &s->v_sync_a_end);
1241
1242 REG_GET_2(OTG_H_BLANK_START_END,
1243 OTG_H_BLANK_START, &s->h_blank_start,
1244 OTG_H_BLANK_END, &s->h_blank_end);
1245
1246 REG_GET_2(OTG_H_SYNC_A,
1247 OTG_H_SYNC_A_START, &s->h_sync_a_start,
1248 OTG_H_SYNC_A_END, &s->h_sync_a_end);
1249
1250 REG_GET(OTG_H_SYNC_A_CNTL,
1251 OTG_H_SYNC_A_POL, &s->h_sync_a_pol);
1252
1253 REG_GET(OTG_H_TOTAL,
1254 OTG_H_TOTAL, &s->h_total);
1255
1256 REG_GET(OPTC_INPUT_GLOBAL_CONTROL,
1257 OPTC_UNDERFLOW_OCCURRED_STATUS, &s->underflow_occurred_status);
1258 }
1259
optc1_get_otg_active_size(struct timing_generator * optc,uint32_t * otg_active_width,uint32_t * otg_active_height)1260 bool optc1_get_otg_active_size(struct timing_generator *optc,
1261 uint32_t *otg_active_width,
1262 uint32_t *otg_active_height)
1263 {
1264 uint32_t otg_enabled;
1265 uint32_t v_blank_start;
1266 uint32_t v_blank_end;
1267 uint32_t h_blank_start;
1268 uint32_t h_blank_end;
1269 struct optc *optc1 = DCN10TG_FROM_TG(optc);
1270
1271
1272 REG_GET(OTG_CONTROL,
1273 OTG_MASTER_EN, &otg_enabled);
1274
1275 if (otg_enabled == 0)
1276 return false;
1277
1278 REG_GET_2(OTG_V_BLANK_START_END,
1279 OTG_V_BLANK_START, &v_blank_start,
1280 OTG_V_BLANK_END, &v_blank_end);
1281
1282 REG_GET_2(OTG_H_BLANK_START_END,
1283 OTG_H_BLANK_START, &h_blank_start,
1284 OTG_H_BLANK_END, &h_blank_end);
1285
1286 *otg_active_width = v_blank_start - v_blank_end;
1287 *otg_active_height = h_blank_start - h_blank_end;
1288 return true;
1289 }
1290
optc1_clear_optc_underflow(struct timing_generator * optc)1291 void optc1_clear_optc_underflow(struct timing_generator *optc)
1292 {
1293 struct optc *optc1 = DCN10TG_FROM_TG(optc);
1294
1295 REG_UPDATE(OPTC_INPUT_GLOBAL_CONTROL, OPTC_UNDERFLOW_CLEAR, 1);
1296 }
1297
optc1_tg_init(struct timing_generator * optc)1298 void optc1_tg_init(struct timing_generator *optc)
1299 {
1300 optc1_set_blank_data_double_buffer(optc, true);
1301 optc1_clear_optc_underflow(optc);
1302 }
1303
optc1_is_tg_enabled(struct timing_generator * optc)1304 bool optc1_is_tg_enabled(struct timing_generator *optc)
1305 {
1306 struct optc *optc1 = DCN10TG_FROM_TG(optc);
1307 uint32_t otg_enabled = 0;
1308
1309 REG_GET(OTG_CONTROL, OTG_MASTER_EN, &otg_enabled);
1310
1311 return (otg_enabled != 0);
1312
1313 }
1314
optc1_is_optc_underflow_occurred(struct timing_generator * optc)1315 bool optc1_is_optc_underflow_occurred(struct timing_generator *optc)
1316 {
1317 struct optc *optc1 = DCN10TG_FROM_TG(optc);
1318 uint32_t underflow_occurred = 0;
1319
1320 REG_GET(OPTC_INPUT_GLOBAL_CONTROL,
1321 OPTC_UNDERFLOW_OCCURRED_STATUS,
1322 &underflow_occurred);
1323
1324 return (underflow_occurred == 1);
1325 }
1326
optc1_configure_crc(struct timing_generator * optc,const struct crc_params * params)1327 bool optc1_configure_crc(struct timing_generator *optc,
1328 const struct crc_params *params)
1329 {
1330 struct optc *optc1 = DCN10TG_FROM_TG(optc);
1331
1332 /* Cannot configure crc on a CRTC that is disabled */
1333 if (!optc1_is_tg_enabled(optc))
1334 return false;
1335
1336 REG_WRITE(OTG_CRC_CNTL, 0);
1337
1338 if (!params->enable)
1339 return true;
1340
1341 /* Program frame boundaries */
1342 /* Window A x axis start and end. */
1343 REG_UPDATE_2(OTG_CRC0_WINDOWA_X_CONTROL,
1344 OTG_CRC0_WINDOWA_X_START, params->windowa_x_start,
1345 OTG_CRC0_WINDOWA_X_END, params->windowa_x_end);
1346
1347 /* Window A y axis start and end. */
1348 REG_UPDATE_2(OTG_CRC0_WINDOWA_Y_CONTROL,
1349 OTG_CRC0_WINDOWA_Y_START, params->windowa_y_start,
1350 OTG_CRC0_WINDOWA_Y_END, params->windowa_y_end);
1351
1352 /* Window B x axis start and end. */
1353 REG_UPDATE_2(OTG_CRC0_WINDOWB_X_CONTROL,
1354 OTG_CRC0_WINDOWB_X_START, params->windowb_x_start,
1355 OTG_CRC0_WINDOWB_X_END, params->windowb_x_end);
1356
1357 /* Window B y axis start and end. */
1358 REG_UPDATE_2(OTG_CRC0_WINDOWB_Y_CONTROL,
1359 OTG_CRC0_WINDOWB_Y_START, params->windowb_y_start,
1360 OTG_CRC0_WINDOWB_Y_END, params->windowb_y_end);
1361
1362 /* Set crc mode and selection, and enable. Only using CRC0*/
1363 REG_UPDATE_3(OTG_CRC_CNTL,
1364 OTG_CRC_CONT_EN, params->continuous_mode ? 1 : 0,
1365 OTG_CRC0_SELECT, params->selection,
1366 OTG_CRC_EN, 1);
1367
1368 return true;
1369 }
1370
optc1_get_crc(struct timing_generator * optc,uint32_t * r_cr,uint32_t * g_y,uint32_t * b_cb)1371 bool optc1_get_crc(struct timing_generator *optc,
1372 uint32_t *r_cr, uint32_t *g_y, uint32_t *b_cb)
1373 {
1374 uint32_t field = 0;
1375 struct optc *optc1 = DCN10TG_FROM_TG(optc);
1376
1377 REG_GET(OTG_CRC_CNTL, OTG_CRC_EN, &field);
1378
1379 /* Early return if CRC is not enabled for this CRTC */
1380 if (!field)
1381 return false;
1382
1383 REG_GET_2(OTG_CRC0_DATA_RG,
1384 CRC0_R_CR, r_cr,
1385 CRC0_G_Y, g_y);
1386
1387 REG_GET(OTG_CRC0_DATA_B,
1388 CRC0_B_CB, b_cb);
1389
1390 return true;
1391 }
1392
1393 static const struct timing_generator_funcs dcn10_tg_funcs = {
1394 .validate_timing = optc1_validate_timing,
1395 .program_timing = optc1_program_timing,
1396 .program_vline_interrupt = optc1_program_vline_interrupt,
1397 .program_global_sync = optc1_program_global_sync,
1398 .enable_crtc = optc1_enable_crtc,
1399 .disable_crtc = optc1_disable_crtc,
1400 /* used by enable_timing_synchronization. Not need for FPGA */
1401 .is_counter_moving = optc1_is_counter_moving,
1402 .get_position = optc1_get_position,
1403 .get_frame_count = optc1_get_vblank_counter,
1404 .get_scanoutpos = optc1_get_crtc_scanoutpos,
1405 .get_otg_active_size = optc1_get_otg_active_size,
1406 .set_early_control = optc1_set_early_control,
1407 /* used by enable_timing_synchronization. Not need for FPGA */
1408 .wait_for_state = optc1_wait_for_state,
1409 .set_blank = optc1_set_blank,
1410 .is_blanked = optc1_is_blanked,
1411 .set_blank_color = optc1_program_blank_color,
1412 .did_triggered_reset_occur = optc1_did_triggered_reset_occur,
1413 .enable_reset_trigger = optc1_enable_reset_trigger,
1414 .enable_crtc_reset = optc1_enable_crtc_reset,
1415 .disable_reset_trigger = optc1_disable_reset_trigger,
1416 .lock = optc1_lock,
1417 .unlock = optc1_unlock,
1418 .enable_optc_clock = optc1_enable_optc_clock,
1419 .set_drr = optc1_set_drr,
1420 .set_static_screen_control = optc1_set_static_screen_control,
1421 .set_test_pattern = optc1_set_test_pattern,
1422 .program_stereo = optc1_program_stereo,
1423 .is_stereo_left_eye = optc1_is_stereo_left_eye,
1424 .set_blank_data_double_buffer = optc1_set_blank_data_double_buffer,
1425 .tg_init = optc1_tg_init,
1426 .is_tg_enabled = optc1_is_tg_enabled,
1427 .is_optc_underflow_occurred = optc1_is_optc_underflow_occurred,
1428 .clear_optc_underflow = optc1_clear_optc_underflow,
1429 .get_crc = optc1_get_crc,
1430 .configure_crc = optc1_configure_crc,
1431 };
1432
dcn10_timing_generator_init(struct optc * optc1)1433 void dcn10_timing_generator_init(struct optc *optc1)
1434 {
1435 optc1->base.funcs = &dcn10_tg_funcs;
1436
1437 optc1->max_h_total = optc1->tg_mask->OTG_H_TOTAL + 1;
1438 optc1->max_v_total = optc1->tg_mask->OTG_V_TOTAL + 1;
1439
1440 optc1->min_h_blank = 32;
1441 optc1->min_v_blank = 3;
1442 optc1->min_v_blank_interlace = 5;
1443 optc1->min_h_sync_width = 8;
1444 optc1->min_v_sync_width = 1;
1445 }
1446