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#include "dc_bios_types.h"
27#include "dce_stream_encoder.h"
28#include "reg_helper.h"
29#include "hw_shared.h"
30
31#define DC_LOGGER \
32 enc110->base.ctx->logger
33
34#define REG(reg)\
35 (enc110->regs->reg)
36
37#undef FN
38#define FN(reg_name, field_name) \
39 enc110->se_shift->field_name, enc110->se_mask->field_name
40
41#define VBI_LINE_0 0
42#define DP_BLANK_MAX_RETRY 20
43#define HDMI_CLOCK_CHANNEL_RATE_MORE_340M 340000
44
45#ifndef TMDS_CNTL__TMDS_PIXEL_ENCODING_MASK
46 #define TMDS_CNTL__TMDS_PIXEL_ENCODING_MASK 0x00000010L
47 #define TMDS_CNTL__TMDS_COLOR_FORMAT_MASK 0x00000300L
48 #define TMDS_CNTL__TMDS_PIXEL_ENCODING__SHIFT 0x00000004
49 #define TMDS_CNTL__TMDS_COLOR_FORMAT__SHIFT 0x00000008
50#endif
51
52enum {
53 DP_MST_UPDATE_MAX_RETRY = 50
54};
55
56#define DCE110_SE(audio)\
57 container_of(audio, struct dce110_stream_encoder, base)
58
59#define CTX \
60 enc110->base.ctx
61
62static void dce110_update_generic_info_packet(
63 struct dce110_stream_encoder *enc110,
64 uint32_t packet_index,
65 const struct dc_info_packet *info_packet)
66{
67 /* TODOFPGA Figure out a proper number for max_retries polling for lock
68 * use 50 for now.
69 */
70 uint32_t max_retries = 50;
71
72 /*we need turn on clock before programming AFMT block*/
73 if (REG(AFMT_CNTL))
74 REG_UPDATE(AFMT_CNTL, AFMT_AUDIO_CLOCK_EN, 1);
75
76 if (REG(AFMT_VBI_PACKET_CONTROL1)) {
77 if (packet_index >= 8)
78 ASSERT(0);
79
80 /* poll dig_update_lock is not locked -> asic internal signal
81 * assume otg master lock will unlock it
82 */
83/* REG_WAIT(AFMT_VBI_PACKET_CONTROL, AFMT_GENERIC_LOCK_STATUS,
84 0, 10, max_retries);*/
85
86 /* check if HW reading GSP memory */
87 REG_WAIT(AFMT_VBI_PACKET_CONTROL, AFMT_GENERIC_CONFLICT,
88 0, 10, max_retries);
89
90 /* HW does is not reading GSP memory not reading too long ->
91 * something wrong. clear GPS memory access and notify?
92 * hw SW is writing to GSP memory
93 */
94 REG_UPDATE(AFMT_VBI_PACKET_CONTROL, AFMT_GENERIC_CONFLICT_CLR, 1);
95 }
96 /* choose which generic packet to use */
97 {
98 REG_READ(AFMT_VBI_PACKET_CONTROL);
99 REG_UPDATE(AFMT_VBI_PACKET_CONTROL,
100 AFMT_GENERIC_INDEX, packet_index);
101 }
102
103 /* write generic packet header
104 * (4th byte is for GENERIC0 only) */
105 {
106 REG_SET_4(AFMT_GENERIC_HDR, 0,
107 AFMT_GENERIC_HB0, info_packet->hb0,
108 AFMT_GENERIC_HB1, info_packet->hb1,
109 AFMT_GENERIC_HB2, info_packet->hb2,
110 AFMT_GENERIC_HB3, info_packet->hb3);
111 }
112
113 /* write generic packet contents
114 * (we never use last 4 bytes)
115 * there are 8 (0-7) mmDIG0_AFMT_GENERIC0_x registers */
116 {
117 const uint32_t *content =
118 (const uint32_t *) &info_packet->sb[0];
119
120 REG_WRITE(AFMT_GENERIC_0, *content++);
121 REG_WRITE(AFMT_GENERIC_1, *content++);
122 REG_WRITE(AFMT_GENERIC_2, *content++);
123 REG_WRITE(AFMT_GENERIC_3, *content++);
124 REG_WRITE(AFMT_GENERIC_4, *content++);
125 REG_WRITE(AFMT_GENERIC_5, *content++);
126 REG_WRITE(AFMT_GENERIC_6, *content++);
127 REG_WRITE(AFMT_GENERIC_7, *content);
128 }
129
130 if (!REG(AFMT_VBI_PACKET_CONTROL1)) {
131 /* force double-buffered packet update */
132 REG_UPDATE_2(AFMT_VBI_PACKET_CONTROL,
133 AFMT_GENERIC0_UPDATE, (packet_index == 0),
134 AFMT_GENERIC2_UPDATE, (packet_index == 2));
135 }
136
137 if (REG(AFMT_VBI_PACKET_CONTROL1)) {
138 switch (packet_index) {
139 case 0:
140 REG_UPDATE(AFMT_VBI_PACKET_CONTROL1,
141 AFMT_GENERIC0_FRAME_UPDATE, 1);
142 break;
143 case 1:
144 REG_UPDATE(AFMT_VBI_PACKET_CONTROL1,
145 AFMT_GENERIC1_FRAME_UPDATE, 1);
146 break;
147 case 2:
148 REG_UPDATE(AFMT_VBI_PACKET_CONTROL1,
149 AFMT_GENERIC2_FRAME_UPDATE, 1);
150 break;
151 case 3:
152 REG_UPDATE(AFMT_VBI_PACKET_CONTROL1,
153 AFMT_GENERIC3_FRAME_UPDATE, 1);
154 break;
155 case 4:
156 REG_UPDATE(AFMT_VBI_PACKET_CONTROL1,
157 AFMT_GENERIC4_FRAME_UPDATE, 1);
158 break;
159 case 5:
160 REG_UPDATE(AFMT_VBI_PACKET_CONTROL1,
161 AFMT_GENERIC5_FRAME_UPDATE, 1);
162 break;
163 case 6:
164 REG_UPDATE(AFMT_VBI_PACKET_CONTROL1,
165 AFMT_GENERIC6_FRAME_UPDATE, 1);
166 break;
167 case 7:
168 REG_UPDATE(AFMT_VBI_PACKET_CONTROL1,
169 AFMT_GENERIC7_FRAME_UPDATE, 1);
170 break;
171 default:
172 break;
173 }
174 }
175}
176
177static void dce110_update_hdmi_info_packet(
178 struct dce110_stream_encoder *enc110,
179 uint32_t packet_index,
180 const struct dc_info_packet *info_packet)
181{
182 uint32_t cont, send, line;
183
184 if (info_packet->valid) {
185 dce110_update_generic_info_packet(
186 enc110,
187 packet_index,
188 info_packet);
189
190 /* enable transmission of packet(s) -
191 * packet transmission begins on the next frame */
192 cont = 1;
193 /* send packet(s) every frame */
194 send = 1;
195 /* select line number to send packets on */
196 line = 2;
197 } else {
198 cont = 0;
199 send = 0;
200 line = 0;
201 }
202
203 /* choose which generic packet control to use */
204 switch (packet_index) {
205 case 0:
206 REG_UPDATE_3(HDMI_GENERIC_PACKET_CONTROL0,
207 HDMI_GENERIC0_CONT, cont,
208 HDMI_GENERIC0_SEND, send,
209 HDMI_GENERIC0_LINE, line);
210 break;
211 case 1:
212 REG_UPDATE_3(HDMI_GENERIC_PACKET_CONTROL0,
213 HDMI_GENERIC1_CONT, cont,
214 HDMI_GENERIC1_SEND, send,
215 HDMI_GENERIC1_LINE, line);
216 break;
217 case 2:
218 REG_UPDATE_3(HDMI_GENERIC_PACKET_CONTROL1,
219 HDMI_GENERIC0_CONT, cont,
220 HDMI_GENERIC0_SEND, send,
221 HDMI_GENERIC0_LINE, line);
222 break;
223 case 3:
224 REG_UPDATE_3(HDMI_GENERIC_PACKET_CONTROL1,
225 HDMI_GENERIC1_CONT, cont,
226 HDMI_GENERIC1_SEND, send,
227 HDMI_GENERIC1_LINE, line);
228 break;
229 case 4:
230 if (REG(HDMI_GENERIC_PACKET_CONTROL2))
231 REG_UPDATE_3(HDMI_GENERIC_PACKET_CONTROL2,
232 HDMI_GENERIC0_CONT, cont,
233 HDMI_GENERIC0_SEND, send,
234 HDMI_GENERIC0_LINE, line);
235 break;
236 case 5:
237 if (REG(HDMI_GENERIC_PACKET_CONTROL2))
238 REG_UPDATE_3(HDMI_GENERIC_PACKET_CONTROL2,
239 HDMI_GENERIC1_CONT, cont,
240 HDMI_GENERIC1_SEND, send,
241 HDMI_GENERIC1_LINE, line);
242 break;
243 case 6:
244 if (REG(HDMI_GENERIC_PACKET_CONTROL3))
245 REG_UPDATE_3(HDMI_GENERIC_PACKET_CONTROL3,
246 HDMI_GENERIC0_CONT, cont,
247 HDMI_GENERIC0_SEND, send,
248 HDMI_GENERIC0_LINE, line);
249 break;
250 case 7:
251 if (REG(HDMI_GENERIC_PACKET_CONTROL3))
252 REG_UPDATE_3(HDMI_GENERIC_PACKET_CONTROL3,
253 HDMI_GENERIC1_CONT, cont,
254 HDMI_GENERIC1_SEND, send,
255 HDMI_GENERIC1_LINE, line);
256 break;
257 default:
258 /* invalid HW packet index */
259 DC_LOG_WARNING(
260 "Invalid HW packet index: %s()\n",
261 __func__);
262 return;
263 }
264}
265
266/* setup stream encoder in dp mode */
267static void dce110_stream_encoder_dp_set_stream_attribute(
268 struct stream_encoder *enc,
269 struct dc_crtc_timing *crtc_timing,
270 enum dc_color_space output_color_space,
271 bool use_vsc_sdp_for_colorimetry,
272 uint32_t enable_sdp_splitting)
273{
274 uint32_t h_active_start;
275 uint32_t v_active_start;
276 uint32_t misc0 = 0;
277 uint32_t misc1 = 0;
278 uint32_t h_blank;
279 uint32_t h_back_porch;
280 uint8_t synchronous_clock = 0; /* asynchronous mode */
281 uint8_t colorimetry_bpc;
282 uint8_t dynamic_range_rgb = 0; /*full range*/
283 uint8_t dynamic_range_ycbcr = 1; /*bt709*/
284
285 struct dce110_stream_encoder *enc110 = DCE110STRENC_FROM_STRENC(enc);
286 struct dc_crtc_timing hw_crtc_timing = *crtc_timing;
287 if (hw_crtc_timing.flags.INTERLACE) {
288 /*the input timing is in VESA spec format with Interlace flag =1*/
289 hw_crtc_timing.v_total /= 2;
290 hw_crtc_timing.v_border_top /= 2;
291 hw_crtc_timing.v_addressable /= 2;
292 hw_crtc_timing.v_border_bottom /= 2;
293 hw_crtc_timing.v_front_porch /= 2;
294 hw_crtc_timing.v_sync_width /= 2;
295 }
296 /* set pixel encoding */
297 switch (hw_crtc_timing.pixel_encoding) {
298 case PIXEL_ENCODING_YCBCR422:
299 REG_UPDATE(DP_PIXEL_FORMAT, DP_PIXEL_ENCODING,
300 DP_PIXEL_ENCODING_TYPE_YCBCR422);
301 break;
302 case PIXEL_ENCODING_YCBCR444:
303 REG_UPDATE(DP_PIXEL_FORMAT, DP_PIXEL_ENCODING,
304 DP_PIXEL_ENCODING_TYPE_YCBCR444);
305
306 if (hw_crtc_timing.flags.Y_ONLY)
307 if (hw_crtc_timing.display_color_depth != COLOR_DEPTH_666)
308 /* HW testing only, no use case yet.
309 * Color depth of Y-only could be
310 * 8, 10, 12, 16 bits */
311 REG_UPDATE(DP_PIXEL_FORMAT, DP_PIXEL_ENCODING,
312 DP_PIXEL_ENCODING_TYPE_Y_ONLY);
313 /* Note: DP_MSA_MISC1 bit 7 is the indicator
314 * of Y-only mode.
315 * This bit is set in HW if register
316 * DP_PIXEL_ENCODING is programmed to 0x4 */
317 break;
318 case PIXEL_ENCODING_YCBCR420:
319 REG_UPDATE(DP_PIXEL_FORMAT, DP_PIXEL_ENCODING,
320 DP_PIXEL_ENCODING_TYPE_YCBCR420);
321 if (enc110->se_mask->DP_VID_M_DOUBLE_VALUE_EN)
322 REG_UPDATE(DP_VID_TIMING, DP_VID_M_DOUBLE_VALUE_EN, 1);
323
324 if (enc110->se_mask->DP_VID_N_MUL)
325 REG_UPDATE(DP_VID_TIMING, DP_VID_N_MUL, 1);
326 break;
327 default:
328 REG_UPDATE(DP_PIXEL_FORMAT, DP_PIXEL_ENCODING,
329 DP_PIXEL_ENCODING_TYPE_RGB444);
330 break;
331 }
332
333 if (REG(DP_MSA_MISC))
334 misc1 = REG_READ(DP_MSA_MISC);
335
336 /* set color depth */
337
338 switch (hw_crtc_timing.display_color_depth) {
339 case COLOR_DEPTH_666:
340 REG_UPDATE(DP_PIXEL_FORMAT, DP_COMPONENT_DEPTH,
341 0);
342 break;
343 case COLOR_DEPTH_888:
344 REG_UPDATE(DP_PIXEL_FORMAT, DP_COMPONENT_DEPTH,
345 DP_COMPONENT_PIXEL_DEPTH_8BPC);
346 break;
347 case COLOR_DEPTH_101010:
348 REG_UPDATE(DP_PIXEL_FORMAT, DP_COMPONENT_DEPTH,
349 DP_COMPONENT_PIXEL_DEPTH_10BPC);
350
351 break;
352 case COLOR_DEPTH_121212:
353 REG_UPDATE(DP_PIXEL_FORMAT, DP_COMPONENT_DEPTH,
354 DP_COMPONENT_PIXEL_DEPTH_12BPC);
355 break;
356 default:
357 REG_UPDATE(DP_PIXEL_FORMAT, DP_COMPONENT_DEPTH,
358 DP_COMPONENT_PIXEL_DEPTH_6BPC);
359 break;
360 }
361
362 /* set dynamic range and YCbCr range */
363
364
365 switch (hw_crtc_timing.display_color_depth) {
366 case COLOR_DEPTH_666:
367 colorimetry_bpc = 0;
368 break;
369 case COLOR_DEPTH_888:
370 colorimetry_bpc = 1;
371 break;
372 case COLOR_DEPTH_101010:
373 colorimetry_bpc = 2;
374 break;
375 case COLOR_DEPTH_121212:
376 colorimetry_bpc = 3;
377 break;
378 default:
379 colorimetry_bpc = 0;
380 break;
381 }
382
383 misc0 = misc0 | synchronous_clock;
384 misc0 = colorimetry_bpc << 5;
385
386 if (REG(DP_MSA_TIMING_PARAM1)) {
387 switch (output_color_space) {
388 case COLOR_SPACE_SRGB:
389 misc0 = misc0 | 0x0;
390 misc1 = misc1 & ~0x80; /* bit7 = 0*/
391 dynamic_range_rgb = 0; /*full range*/
392 break;
393 case COLOR_SPACE_SRGB_LIMITED:
394 misc0 = misc0 | 0x8; /* bit3=1 */
395 misc1 = misc1 & ~0x80; /* bit7 = 0*/
396 dynamic_range_rgb = 1; /*limited range*/
397 break;
398 case COLOR_SPACE_YCBCR601:
399 case COLOR_SPACE_YCBCR601_LIMITED:
400 misc0 = misc0 | 0x8; /* bit3=1, bit4=0 */
401 misc1 = misc1 & ~0x80; /* bit7 = 0*/
402 dynamic_range_ycbcr = 0; /*bt601*/
403 if (hw_crtc_timing.pixel_encoding == PIXEL_ENCODING_YCBCR422)
404 misc0 = misc0 | 0x2; /* bit2=0, bit1=1 */
405 else if (hw_crtc_timing.pixel_encoding == PIXEL_ENCODING_YCBCR444)
406 misc0 = misc0 | 0x4; /* bit2=1, bit1=0 */
407 break;
408 case COLOR_SPACE_YCBCR709:
409 case COLOR_SPACE_YCBCR709_LIMITED:
410 case COLOR_SPACE_YCBCR709_BLACK:
411 misc0 = misc0 | 0x18; /* bit3=1, bit4=1 */
412 misc1 = misc1 & ~0x80; /* bit7 = 0*/
413 dynamic_range_ycbcr = 1; /*bt709*/
414 if (hw_crtc_timing.pixel_encoding == PIXEL_ENCODING_YCBCR422)
415 misc0 = misc0 | 0x2; /* bit2=0, bit1=1 */
416 else if (hw_crtc_timing.pixel_encoding == PIXEL_ENCODING_YCBCR444)
417 misc0 = misc0 | 0x4; /* bit2=1, bit1=0 */
418 break;
419 case COLOR_SPACE_2020_RGB_LIMITEDRANGE:
420 dynamic_range_rgb = 1; /*limited range*/
421 break;
422 case COLOR_SPACE_2020_RGB_FULLRANGE:
423 case COLOR_SPACE_2020_YCBCR:
424 case COLOR_SPACE_XR_RGB:
425 case COLOR_SPACE_MSREF_SCRGB:
426 case COLOR_SPACE_ADOBERGB:
427 case COLOR_SPACE_DCIP3:
428 case COLOR_SPACE_XV_YCC_709:
429 case COLOR_SPACE_XV_YCC_601:
430 case COLOR_SPACE_DISPLAYNATIVE:
431 case COLOR_SPACE_DOLBYVISION:
432 case COLOR_SPACE_APPCTRL:
433 case COLOR_SPACE_CUSTOMPOINTS:
434 case COLOR_SPACE_UNKNOWN:
435 /* do nothing */
436 break;
437 }
438 if (enc110->se_mask->DP_DYN_RANGE && enc110->se_mask->DP_YCBCR_RANGE)
439 REG_UPDATE_2(
440 DP_PIXEL_FORMAT,
441 DP_DYN_RANGE, dynamic_range_rgb,
442 DP_YCBCR_RANGE, dynamic_range_ycbcr);
443
444 if (REG(DP_MSA_COLORIMETRY))
445 REG_SET(DP_MSA_COLORIMETRY, 0, DP_MSA_MISC0, misc0);
446
447 if (REG(DP_MSA_MISC))
448 REG_WRITE(DP_MSA_MISC, misc1); /* MSA_MISC1 */
449
450 /* dcn new register
451 * dc_crtc_timing is vesa dmt struct. data from edid
452 */
453 if (REG(DP_MSA_TIMING_PARAM1))
454 REG_SET_2(DP_MSA_TIMING_PARAM1, 0,
455 DP_MSA_HTOTAL, hw_crtc_timing.h_total,
456 DP_MSA_VTOTAL, hw_crtc_timing.v_total);
457
458 /* calcuate from vesa timing parameters
459 * h_active_start related to leading edge of sync
460 */
461
462 h_blank = hw_crtc_timing.h_total - hw_crtc_timing.h_border_left -
463 hw_crtc_timing.h_addressable - hw_crtc_timing.h_border_right;
464
465 h_back_porch = h_blank - hw_crtc_timing.h_front_porch -
466 hw_crtc_timing.h_sync_width;
467
468 /* start at begining of left border */
469 h_active_start = hw_crtc_timing.h_sync_width + h_back_porch;
470
471
472 v_active_start = hw_crtc_timing.v_total - hw_crtc_timing.v_border_top -
473 hw_crtc_timing.v_addressable - hw_crtc_timing.v_border_bottom -
474 hw_crtc_timing.v_front_porch;
475
476
477 /* start at begining of left border */
478 if (REG(DP_MSA_TIMING_PARAM2))
479 REG_SET_2(DP_MSA_TIMING_PARAM2, 0,
480 DP_MSA_HSTART, h_active_start,
481 DP_MSA_VSTART, v_active_start);
482
483 if (REG(DP_MSA_TIMING_PARAM3))
484 REG_SET_4(DP_MSA_TIMING_PARAM3, 0,
485 DP_MSA_HSYNCWIDTH,
486 hw_crtc_timing.h_sync_width,
487 DP_MSA_HSYNCPOLARITY,
488 !hw_crtc_timing.flags.HSYNC_POSITIVE_POLARITY,
489 DP_MSA_VSYNCWIDTH,
490 hw_crtc_timing.v_sync_width,
491 DP_MSA_VSYNCPOLARITY,
492 !hw_crtc_timing.flags.VSYNC_POSITIVE_POLARITY);
493
494 /* HWDITH include border or overscan */
495 if (REG(DP_MSA_TIMING_PARAM4))
496 REG_SET_2(DP_MSA_TIMING_PARAM4, 0,
497 DP_MSA_HWIDTH, hw_crtc_timing.h_border_left +
498 hw_crtc_timing.h_addressable + hw_crtc_timing.h_border_right,
499 DP_MSA_VHEIGHT, hw_crtc_timing.v_border_top +
500 hw_crtc_timing.v_addressable + hw_crtc_timing.v_border_bottom);
501 }
502}
503
504static void dce110_stream_encoder_set_stream_attribute_helper(
505 struct dce110_stream_encoder *enc110,
506 struct dc_crtc_timing *crtc_timing)
507{
508 if (enc110->regs->TMDS_CNTL) {
509 switch (crtc_timing->pixel_encoding) {
510 case PIXEL_ENCODING_YCBCR422:
511 REG_UPDATE(TMDS_CNTL, TMDS_PIXEL_ENCODING, 1);
512 break;
513 default:
514 REG_UPDATE(TMDS_CNTL, TMDS_PIXEL_ENCODING, 0);
515 break;
516 }
517 REG_UPDATE(TMDS_CNTL, TMDS_COLOR_FORMAT, 0);
518 } else if (enc110->regs->DIG_FE_CNTL) {
519 switch (crtc_timing->pixel_encoding) {
520 case PIXEL_ENCODING_YCBCR422:
521 REG_UPDATE(DIG_FE_CNTL, TMDS_PIXEL_ENCODING, 1);
522 break;
523 default:
524 REG_UPDATE(DIG_FE_CNTL, TMDS_PIXEL_ENCODING, 0);
525 break;
526 }
527 REG_UPDATE(DIG_FE_CNTL, TMDS_COLOR_FORMAT, 0);
528 }
529
530}
531
532/* setup stream encoder in hdmi mode */
533static void dce110_stream_encoder_hdmi_set_stream_attribute(
534 struct stream_encoder *enc,
535 struct dc_crtc_timing *crtc_timing,
536 int actual_pix_clk_khz,
537 bool enable_audio)
538{
539 struct dce110_stream_encoder *enc110 = DCE110STRENC_FROM_STRENC(enc);
540 struct bp_encoder_control cntl = {0};
541
542 cntl.action = ENCODER_CONTROL_SETUP;
543 cntl.engine_id = enc110->base.id;
544 cntl.signal = SIGNAL_TYPE_HDMI_TYPE_A;
545 cntl.enable_dp_audio = enable_audio;
546 cntl.pixel_clock = actual_pix_clk_khz;
547 cntl.lanes_number = LANE_COUNT_FOUR;
548 cntl.color_depth = crtc_timing->display_color_depth;
549
550 if (enc110->base.bp->funcs->encoder_control(
551 enc110->base.bp, &cntl) != BP_RESULT_OK)
552 return;
553
554 dce110_stream_encoder_set_stream_attribute_helper(enc110, crtc_timing);
555
556 /* setup HDMI engine */
557 if (!enc110->se_mask->HDMI_DATA_SCRAMBLE_EN) {
558 REG_UPDATE_3(HDMI_CONTROL,
559 HDMI_PACKET_GEN_VERSION, 1,
560 HDMI_KEEPOUT_MODE, 1,
561 HDMI_DEEP_COLOR_ENABLE, 0);
562 } else if (enc110->regs->DIG_FE_CNTL) {
563 REG_UPDATE_5(HDMI_CONTROL,
564 HDMI_PACKET_GEN_VERSION, 1,
565 HDMI_KEEPOUT_MODE, 1,
566 HDMI_DEEP_COLOR_ENABLE, 0,
567 HDMI_DATA_SCRAMBLE_EN, 0,
568 HDMI_CLOCK_CHANNEL_RATE, 0);
569 }
570
571 switch (crtc_timing->display_color_depth) {
572 case COLOR_DEPTH_888:
573 REG_UPDATE(HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0);
574 break;
575 case COLOR_DEPTH_101010:
576 if (crtc_timing->pixel_encoding == PIXEL_ENCODING_YCBCR422) {
577 REG_UPDATE_2(HDMI_CONTROL,
578 HDMI_DEEP_COLOR_DEPTH, 1,
579 HDMI_DEEP_COLOR_ENABLE, 0);
580 } else {
581 REG_UPDATE_2(HDMI_CONTROL,
582 HDMI_DEEP_COLOR_DEPTH, 1,
583 HDMI_DEEP_COLOR_ENABLE, 1);
584 }
585 break;
586 case COLOR_DEPTH_121212:
587 if (crtc_timing->pixel_encoding == PIXEL_ENCODING_YCBCR422) {
588 REG_UPDATE_2(HDMI_CONTROL,
589 HDMI_DEEP_COLOR_DEPTH, 2,
590 HDMI_DEEP_COLOR_ENABLE, 0);
591 } else {
592 REG_UPDATE_2(HDMI_CONTROL,
593 HDMI_DEEP_COLOR_DEPTH, 2,
594 HDMI_DEEP_COLOR_ENABLE, 1);
595 }
596 break;
597 case COLOR_DEPTH_161616:
598 REG_UPDATE_2(HDMI_CONTROL,
599 HDMI_DEEP_COLOR_DEPTH, 3,
600 HDMI_DEEP_COLOR_ENABLE, 1);
601 break;
602 default:
603 break;
604 }
605
606 if (enc110->se_mask->HDMI_DATA_SCRAMBLE_EN) {
607 if (actual_pix_clk_khz >= HDMI_CLOCK_CHANNEL_RATE_MORE_340M) {
608 /* enable HDMI data scrambler
609 * HDMI_CLOCK_CHANNEL_RATE_MORE_340M
610 * Clock channel frequency is 1/4 of character rate.
611 */
612 REG_UPDATE_2(HDMI_CONTROL,
613 HDMI_DATA_SCRAMBLE_EN, 1,
614 HDMI_CLOCK_CHANNEL_RATE, 1);
615 } else if (crtc_timing->flags.LTE_340MCSC_SCRAMBLE) {
616
617 /* TODO: New feature for DCE11, still need to implement */
618
619 /* enable HDMI data scrambler
620 * HDMI_CLOCK_CHANNEL_FREQ_EQUAL_TO_CHAR_RATE
621 * Clock channel frequency is the same
622 * as character rate
623 */
624 REG_UPDATE_2(HDMI_CONTROL,
625 HDMI_DATA_SCRAMBLE_EN, 1,
626 HDMI_CLOCK_CHANNEL_RATE, 0);
627 }
628 }
629
630 REG_UPDATE_3(HDMI_VBI_PACKET_CONTROL,
631 HDMI_GC_CONT, 1,
632 HDMI_GC_SEND, 1,
633 HDMI_NULL_SEND, 1);
634
635 REG_UPDATE(HDMI_VBI_PACKET_CONTROL, HDMI_ACP_SEND, 0);
636
637 /* following belongs to audio */
638 REG_UPDATE(HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
639
640 REG_UPDATE(AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
641
642 REG_UPDATE(HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE,
643 VBI_LINE_0 + 2);
644
645 REG_UPDATE(HDMI_GC, HDMI_GC_AVMUTE, 0);
646
647}
648
649/* setup stream encoder in dvi mode */
650static void dce110_stream_encoder_dvi_set_stream_attribute(
651 struct stream_encoder *enc,
652 struct dc_crtc_timing *crtc_timing,
653 bool is_dual_link)
654{
655 struct dce110_stream_encoder *enc110 = DCE110STRENC_FROM_STRENC(enc);
656 struct bp_encoder_control cntl = {0};
657
658 cntl.action = ENCODER_CONTROL_SETUP;
659 cntl.engine_id = enc110->base.id;
660 cntl.signal = is_dual_link ?
661 SIGNAL_TYPE_DVI_DUAL_LINK : SIGNAL_TYPE_DVI_SINGLE_LINK;
662 cntl.enable_dp_audio = false;
663 cntl.pixel_clock = crtc_timing->pix_clk_100hz / 10;
664 cntl.lanes_number = (is_dual_link) ? LANE_COUNT_EIGHT : LANE_COUNT_FOUR;
665
666 if (enc110->base.bp->funcs->encoder_control(
667 enc110->base.bp, &cntl) != BP_RESULT_OK)
668 return;
669
670 ASSERT(crtc_timing->pixel_encoding == PIXEL_ENCODING_RGB);
671 ASSERT(crtc_timing->display_color_depth == COLOR_DEPTH_888);
672 dce110_stream_encoder_set_stream_attribute_helper(enc110, crtc_timing);
673}
674
675/* setup stream encoder in LVDS mode */
676static void dce110_stream_encoder_lvds_set_stream_attribute(
677 struct stream_encoder *enc,
678 struct dc_crtc_timing *crtc_timing)
679{
680 struct dce110_stream_encoder *enc110 = DCE110STRENC_FROM_STRENC(enc);
681 struct bp_encoder_control cntl = {0};
682
683 cntl.action = ENCODER_CONTROL_SETUP;
684 cntl.engine_id = enc110->base.id;
685 cntl.signal = SIGNAL_TYPE_LVDS;
686 cntl.enable_dp_audio = false;
687 cntl.pixel_clock = crtc_timing->pix_clk_100hz / 10;
688 cntl.lanes_number = LANE_COUNT_FOUR;
689
690 if (enc110->base.bp->funcs->encoder_control(
691 enc110->base.bp, &cntl) != BP_RESULT_OK)
692 return;
693
694 ASSERT(crtc_timing->pixel_encoding == PIXEL_ENCODING_RGB);
695}
696
697static void dce110_stream_encoder_set_throttled_vcp_size(
698 struct stream_encoder *enc,
699 struct fixed31_32 avg_time_slots_per_mtp)
700{
701 struct dce110_stream_encoder *enc110 = DCE110STRENC_FROM_STRENC(enc);
702 uint32_t x = dc_fixpt_floor(
703 arg: avg_time_slots_per_mtp);
704 uint32_t y = dc_fixpt_ceil(
705 arg: dc_fixpt_shl(
706 arg: dc_fixpt_sub_int(
707 arg1: avg_time_slots_per_mtp,
708 arg2: x),
709 shift: 26));
710
711 {
712 REG_SET_2(DP_MSE_RATE_CNTL, 0,
713 DP_MSE_RATE_X, x,
714 DP_MSE_RATE_Y, y);
715 }
716
717 /* wait for update to be completed on the link */
718 /* i.e. DP_MSE_RATE_UPDATE_PENDING field (read only) */
719 /* is reset to 0 (not pending) */
720 REG_WAIT(DP_MSE_RATE_UPDATE, DP_MSE_RATE_UPDATE_PENDING,
721 0,
722 10, DP_MST_UPDATE_MAX_RETRY);
723}
724
725static void dce110_stream_encoder_update_hdmi_info_packets(
726 struct stream_encoder *enc,
727 const struct encoder_info_frame *info_frame)
728{
729 struct dce110_stream_encoder *enc110 = DCE110STRENC_FROM_STRENC(enc);
730
731 if (enc110->se_mask->HDMI_AVI_INFO_CONT &&
732 enc110->se_mask->HDMI_AVI_INFO_SEND) {
733
734 if (info_frame->avi.valid) {
735 const uint32_t *content =
736 (const uint32_t *) &info_frame->avi.sb[0];
737 /*we need turn on clock before programming AFMT block*/
738 if (REG(AFMT_CNTL))
739 REG_UPDATE(AFMT_CNTL, AFMT_AUDIO_CLOCK_EN, 1);
740
741 REG_WRITE(AFMT_AVI_INFO0, content[0]);
742
743 REG_WRITE(AFMT_AVI_INFO1, content[1]);
744
745 REG_WRITE(AFMT_AVI_INFO2, content[2]);
746
747 REG_WRITE(AFMT_AVI_INFO3, content[3]);
748
749 REG_UPDATE(AFMT_AVI_INFO3, AFMT_AVI_INFO_VERSION,
750 info_frame->avi.hb1);
751
752 REG_UPDATE_2(HDMI_INFOFRAME_CONTROL0,
753 HDMI_AVI_INFO_SEND, 1,
754 HDMI_AVI_INFO_CONT, 1);
755
756 REG_UPDATE(HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE,
757 VBI_LINE_0 + 2);
758
759 } else {
760 REG_UPDATE_2(HDMI_INFOFRAME_CONTROL0,
761 HDMI_AVI_INFO_SEND, 0,
762 HDMI_AVI_INFO_CONT, 0);
763 }
764 }
765
766 if (enc110->se_mask->HDMI_AVI_INFO_CONT &&
767 enc110->se_mask->HDMI_AVI_INFO_SEND) {
768 dce110_update_hdmi_info_packet(enc110, packet_index: 0, info_packet: &info_frame->vendor);
769 dce110_update_hdmi_info_packet(enc110, packet_index: 1, info_packet: &info_frame->gamut);
770 dce110_update_hdmi_info_packet(enc110, packet_index: 2, info_packet: &info_frame->spd);
771 dce110_update_hdmi_info_packet(enc110, packet_index: 3, info_packet: &info_frame->hdrsmd);
772 }
773
774 if (enc110->se_mask->HDMI_DB_DISABLE) {
775 /* for bring up, disable dp double TODO */
776 if (REG(HDMI_DB_CONTROL))
777 REG_UPDATE(HDMI_DB_CONTROL, HDMI_DB_DISABLE, 1);
778
779 dce110_update_hdmi_info_packet(enc110, packet_index: 0, info_packet: &info_frame->avi);
780 dce110_update_hdmi_info_packet(enc110, packet_index: 1, info_packet: &info_frame->vendor);
781 dce110_update_hdmi_info_packet(enc110, packet_index: 2, info_packet: &info_frame->gamut);
782 dce110_update_hdmi_info_packet(enc110, packet_index: 3, info_packet: &info_frame->spd);
783 dce110_update_hdmi_info_packet(enc110, packet_index: 4, info_packet: &info_frame->hdrsmd);
784 }
785}
786
787static void dce110_stream_encoder_stop_hdmi_info_packets(
788 struct stream_encoder *enc)
789{
790 struct dce110_stream_encoder *enc110 = DCE110STRENC_FROM_STRENC(enc);
791
792 /* stop generic packets 0 & 1 on HDMI */
793 REG_SET_6(HDMI_GENERIC_PACKET_CONTROL0, 0,
794 HDMI_GENERIC1_CONT, 0,
795 HDMI_GENERIC1_LINE, 0,
796 HDMI_GENERIC1_SEND, 0,
797 HDMI_GENERIC0_CONT, 0,
798 HDMI_GENERIC0_LINE, 0,
799 HDMI_GENERIC0_SEND, 0);
800
801 /* stop generic packets 2 & 3 on HDMI */
802 REG_SET_6(HDMI_GENERIC_PACKET_CONTROL1, 0,
803 HDMI_GENERIC0_CONT, 0,
804 HDMI_GENERIC0_LINE, 0,
805 HDMI_GENERIC0_SEND, 0,
806 HDMI_GENERIC1_CONT, 0,
807 HDMI_GENERIC1_LINE, 0,
808 HDMI_GENERIC1_SEND, 0);
809
810 /* stop generic packets 2 & 3 on HDMI */
811 if (REG(HDMI_GENERIC_PACKET_CONTROL2))
812 REG_SET_6(HDMI_GENERIC_PACKET_CONTROL2, 0,
813 HDMI_GENERIC0_CONT, 0,
814 HDMI_GENERIC0_LINE, 0,
815 HDMI_GENERIC0_SEND, 0,
816 HDMI_GENERIC1_CONT, 0,
817 HDMI_GENERIC1_LINE, 0,
818 HDMI_GENERIC1_SEND, 0);
819
820 if (REG(HDMI_GENERIC_PACKET_CONTROL3))
821 REG_SET_6(HDMI_GENERIC_PACKET_CONTROL3, 0,
822 HDMI_GENERIC0_CONT, 0,
823 HDMI_GENERIC0_LINE, 0,
824 HDMI_GENERIC0_SEND, 0,
825 HDMI_GENERIC1_CONT, 0,
826 HDMI_GENERIC1_LINE, 0,
827 HDMI_GENERIC1_SEND, 0);
828}
829
830static void dce110_stream_encoder_update_dp_info_packets(
831 struct stream_encoder *enc,
832 const struct encoder_info_frame *info_frame)
833{
834 struct dce110_stream_encoder *enc110 = DCE110STRENC_FROM_STRENC(enc);
835 uint32_t value = 0;
836
837 if (info_frame->vsc.valid)
838 dce110_update_generic_info_packet(
839 enc110,
840 packet_index: 0, /* packetIndex */
841 info_packet: &info_frame->vsc);
842
843 if (info_frame->spd.valid)
844 dce110_update_generic_info_packet(
845 enc110,
846 packet_index: 2, /* packetIndex */
847 info_packet: &info_frame->spd);
848
849 if (info_frame->hdrsmd.valid)
850 dce110_update_generic_info_packet(
851 enc110,
852 packet_index: 3, /* packetIndex */
853 info_packet: &info_frame->hdrsmd);
854
855 /* enable/disable transmission of packet(s).
856 * If enabled, packet transmission begins on the next frame
857 */
858 REG_UPDATE(DP_SEC_CNTL, DP_SEC_GSP0_ENABLE, info_frame->vsc.valid);
859 REG_UPDATE(DP_SEC_CNTL, DP_SEC_GSP2_ENABLE, info_frame->spd.valid);
860 REG_UPDATE(DP_SEC_CNTL, DP_SEC_GSP3_ENABLE, info_frame->hdrsmd.valid);
861
862 /* This bit is the master enable bit.
863 * When enabling secondary stream engine,
864 * this master bit must also be set.
865 * This register shared with audio info frame.
866 * Therefore we need to enable master bit
867 * if at least on of the fields is not 0
868 */
869 value = REG_READ(DP_SEC_CNTL);
870 if (value)
871 REG_UPDATE(DP_SEC_CNTL, DP_SEC_STREAM_ENABLE, 1);
872}
873
874static void dce110_stream_encoder_stop_dp_info_packets(
875 struct stream_encoder *enc)
876{
877 /* stop generic packets on DP */
878 struct dce110_stream_encoder *enc110 = DCE110STRENC_FROM_STRENC(enc);
879 uint32_t value = 0;
880
881 if (enc110->se_mask->DP_SEC_AVI_ENABLE) {
882 REG_SET_7(DP_SEC_CNTL, 0,
883 DP_SEC_GSP0_ENABLE, 0,
884 DP_SEC_GSP1_ENABLE, 0,
885 DP_SEC_GSP2_ENABLE, 0,
886 DP_SEC_GSP3_ENABLE, 0,
887 DP_SEC_AVI_ENABLE, 0,
888 DP_SEC_MPG_ENABLE, 0,
889 DP_SEC_STREAM_ENABLE, 0);
890 }
891
892 /* this register shared with audio info frame.
893 * therefore we need to keep master enabled
894 * if at least one of the fields is not 0 */
895 value = REG_READ(DP_SEC_CNTL);
896 if (value)
897 REG_UPDATE(DP_SEC_CNTL, DP_SEC_STREAM_ENABLE, 1);
898
899}
900
901static void dce110_stream_encoder_dp_blank(
902 struct dc_link *link,
903 struct stream_encoder *enc)
904{
905 struct dce110_stream_encoder *enc110 = DCE110STRENC_FROM_STRENC(enc);
906 uint32_t reg1 = 0;
907 uint32_t max_retries = DP_BLANK_MAX_RETRY * 10;
908
909 /* Note: For CZ, we are changing driver default to disable
910 * stream deferred to next VBLANK. If results are positive, we
911 * will make the same change to all DCE versions. There are a
912 * handful of panels that cannot handle disable stream at
913 * HBLANK and will result in a white line flash across the
914 * screen on stream disable. */
915 REG_GET(DP_VID_STREAM_CNTL, DP_VID_STREAM_ENABLE, &reg1);
916 if ((reg1 & 0x1) == 0)
917 /*stream not enabled*/
918 return;
919 /* Specify the video stream disable point
920 * (2 = start of the next vertical blank) */
921 REG_UPDATE(DP_VID_STREAM_CNTL, DP_VID_STREAM_DIS_DEFER, 2);
922 /* Larger delay to wait until VBLANK - use max retry of
923 * 10us*3000=30ms. This covers 16.6ms of typical 60 Hz mode +
924 * a little more because we may not trust delay accuracy.
925 */
926 max_retries = DP_BLANK_MAX_RETRY * 150;
927
928 /* disable DP stream */
929 REG_UPDATE(DP_VID_STREAM_CNTL, DP_VID_STREAM_ENABLE, 0);
930
931 /* the encoder stops sending the video stream
932 * at the start of the vertical blanking.
933 * Poll for DP_VID_STREAM_STATUS == 0
934 */
935
936 REG_WAIT(DP_VID_STREAM_CNTL, DP_VID_STREAM_STATUS,
937 0,
938 10, max_retries);
939
940 /* Tell the DP encoder to ignore timing from CRTC, must be done after
941 * the polling. If we set DP_STEER_FIFO_RESET before DP stream blank is
942 * complete, stream status will be stuck in video stream enabled state,
943 * i.e. DP_VID_STREAM_STATUS stuck at 1.
944 */
945
946 REG_UPDATE(DP_STEER_FIFO, DP_STEER_FIFO_RESET, true);
947}
948
949/* output video stream to link encoder */
950static void dce110_stream_encoder_dp_unblank(
951 struct dc_link *link,
952 struct stream_encoder *enc,
953 const struct encoder_unblank_param *param)
954{
955 struct dce110_stream_encoder *enc110 = DCE110STRENC_FROM_STRENC(enc);
956
957 if (param->link_settings.link_rate != LINK_RATE_UNKNOWN) {
958 uint32_t n_vid = 0x8000;
959 uint32_t m_vid;
960
961 /* M / N = Fstream / Flink
962 * m_vid / n_vid = pixel rate / link rate
963 */
964
965 uint64_t m_vid_l = n_vid;
966
967 m_vid_l *= param->timing.pix_clk_100hz / 10;
968 m_vid_l = div_u64(dividend: m_vid_l,
969 divisor: param->link_settings.link_rate
970 * LINK_RATE_REF_FREQ_IN_KHZ);
971
972 m_vid = (uint32_t) m_vid_l;
973
974 /* enable auto measurement */
975
976 REG_UPDATE(DP_VID_TIMING, DP_VID_M_N_GEN_EN, 0);
977
978 /* auto measurement need 1 full 0x8000 symbol cycle to kick in,
979 * therefore program initial value for Mvid and Nvid
980 */
981
982 REG_UPDATE(DP_VID_N, DP_VID_N, n_vid);
983
984 REG_UPDATE(DP_VID_M, DP_VID_M, m_vid);
985
986 REG_UPDATE(DP_VID_TIMING, DP_VID_M_N_GEN_EN, 1);
987 }
988
989 /* set DIG_START to 0x1 to resync FIFO */
990
991 REG_UPDATE(DIG_FE_CNTL, DIG_START, 1);
992
993 /* switch DP encoder to CRTC data */
994
995 REG_UPDATE(DP_STEER_FIFO, DP_STEER_FIFO_RESET, 0);
996
997 /* wait 100us for DIG/DP logic to prime
998 * (i.e. a few video lines)
999 */
1000 udelay(100);
1001
1002 /* the hardware would start sending video at the start of the next DP
1003 * frame (i.e. rising edge of the vblank).
1004 * NOTE: We used to program DP_VID_STREAM_DIS_DEFER = 2 here, but this
1005 * register has no effect on enable transition! HW always guarantees
1006 * VID_STREAM enable at start of next frame, and this is not
1007 * programmable
1008 */
1009
1010 REG_UPDATE(DP_VID_STREAM_CNTL, DP_VID_STREAM_ENABLE, true);
1011}
1012
1013static void dce110_stream_encoder_set_avmute(
1014 struct stream_encoder *enc,
1015 bool enable)
1016{
1017 struct dce110_stream_encoder *enc110 = DCE110STRENC_FROM_STRENC(enc);
1018 unsigned int value = enable ? 1 : 0;
1019
1020 REG_UPDATE(HDMI_GC, HDMI_GC_AVMUTE, value);
1021}
1022
1023
1024static void dce110_reset_hdmi_stream_attribute(
1025 struct stream_encoder *enc)
1026{
1027 struct dce110_stream_encoder *enc110 = DCE110STRENC_FROM_STRENC(enc);
1028 if (enc110->se_mask->HDMI_DATA_SCRAMBLE_EN)
1029 REG_UPDATE_5(HDMI_CONTROL,
1030 HDMI_PACKET_GEN_VERSION, 1,
1031 HDMI_KEEPOUT_MODE, 1,
1032 HDMI_DEEP_COLOR_ENABLE, 0,
1033 HDMI_DATA_SCRAMBLE_EN, 0,
1034 HDMI_CLOCK_CHANNEL_RATE, 0);
1035 else
1036 REG_UPDATE_3(HDMI_CONTROL,
1037 HDMI_PACKET_GEN_VERSION, 1,
1038 HDMI_KEEPOUT_MODE, 1,
1039 HDMI_DEEP_COLOR_ENABLE, 0);
1040}
1041
1042#define DP_SEC_AUD_N__DP_SEC_AUD_N__DEFAULT 0x8000
1043#define DP_SEC_TIMESTAMP__DP_SEC_TIMESTAMP_MODE__AUTO_CALC 1
1044
1045#include "include/audio_types.h"
1046
1047
1048/* 25.2MHz/1.001*/
1049/* 25.2MHz/1.001*/
1050/* 25.2MHz*/
1051/* 27MHz */
1052/* 27MHz*1.001*/
1053/* 27MHz*1.001*/
1054/* 54MHz*/
1055/* 54MHz*1.001*/
1056/* 74.25MHz/1.001*/
1057/* 74.25MHz*/
1058/* 148.5MHz/1.001*/
1059/* 148.5MHz*/
1060
1061static const struct audio_clock_info audio_clock_info_table[16] = {
1062 {2517, 4576, 28125, 7007, 31250, 6864, 28125},
1063 {2518, 4576, 28125, 7007, 31250, 6864, 28125},
1064 {2520, 4096, 25200, 6272, 28000, 6144, 25200},
1065 {2700, 4096, 27000, 6272, 30000, 6144, 27000},
1066 {2702, 4096, 27027, 6272, 30030, 6144, 27027},
1067 {2703, 4096, 27027, 6272, 30030, 6144, 27027},
1068 {5400, 4096, 54000, 6272, 60000, 6144, 54000},
1069 {5405, 4096, 54054, 6272, 60060, 6144, 54054},
1070 {7417, 11648, 210937, 17836, 234375, 11648, 140625},
1071 {7425, 4096, 74250, 6272, 82500, 6144, 74250},
1072 {14835, 11648, 421875, 8918, 234375, 5824, 140625},
1073 {14850, 4096, 148500, 6272, 165000, 6144, 148500},
1074 {29670, 5824, 421875, 4459, 234375, 5824, 281250},
1075 {29700, 3072, 222750, 4704, 247500, 5120, 247500},
1076 {59340, 5824, 843750, 8918, 937500, 5824, 562500},
1077 {59400, 3072, 445500, 9408, 990000, 6144, 594000}
1078};
1079
1080static const struct audio_clock_info audio_clock_info_table_36bpc[14] = {
1081 {2517, 9152, 84375, 7007, 48875, 9152, 56250},
1082 {2518, 9152, 84375, 7007, 48875, 9152, 56250},
1083 {2520, 4096, 37800, 6272, 42000, 6144, 37800},
1084 {2700, 4096, 40500, 6272, 45000, 6144, 40500},
1085 {2702, 8192, 81081, 6272, 45045, 8192, 54054},
1086 {2703, 8192, 81081, 6272, 45045, 8192, 54054},
1087 {5400, 4096, 81000, 6272, 90000, 6144, 81000},
1088 {5405, 4096, 81081, 6272, 90090, 6144, 81081},
1089 {7417, 11648, 316406, 17836, 351562, 11648, 210937},
1090 {7425, 4096, 111375, 6272, 123750, 6144, 111375},
1091 {14835, 11648, 632812, 17836, 703125, 11648, 421875},
1092 {14850, 4096, 222750, 6272, 247500, 6144, 222750},
1093 {29670, 5824, 632812, 8918, 703125, 5824, 421875},
1094 {29700, 4096, 445500, 4704, 371250, 5120, 371250}
1095};
1096
1097static const struct audio_clock_info audio_clock_info_table_48bpc[14] = {
1098 {2517, 4576, 56250, 7007, 62500, 6864, 56250},
1099 {2518, 4576, 56250, 7007, 62500, 6864, 56250},
1100 {2520, 4096, 50400, 6272, 56000, 6144, 50400},
1101 {2700, 4096, 54000, 6272, 60000, 6144, 54000},
1102 {2702, 4096, 54054, 6267, 60060, 8192, 54054},
1103 {2703, 4096, 54054, 6272, 60060, 8192, 54054},
1104 {5400, 4096, 108000, 6272, 120000, 6144, 108000},
1105 {5405, 4096, 108108, 6272, 120120, 6144, 108108},
1106 {7417, 11648, 421875, 17836, 468750, 11648, 281250},
1107 {7425, 4096, 148500, 6272, 165000, 6144, 148500},
1108 {14835, 11648, 843750, 8918, 468750, 11648, 281250},
1109 {14850, 4096, 297000, 6272, 330000, 6144, 297000},
1110 {29670, 5824, 843750, 4459, 468750, 5824, 562500},
1111 {29700, 3072, 445500, 4704, 495000, 5120, 495000}
1112
1113
1114};
1115
1116static union audio_cea_channels speakers_to_channels(
1117 struct audio_speaker_flags speaker_flags)
1118{
1119 union audio_cea_channels cea_channels = {0};
1120
1121 /* these are one to one */
1122 cea_channels.channels.FL = speaker_flags.FL_FR;
1123 cea_channels.channels.FR = speaker_flags.FL_FR;
1124 cea_channels.channels.LFE = speaker_flags.LFE;
1125 cea_channels.channels.FC = speaker_flags.FC;
1126
1127 /* if Rear Left and Right exist move RC speaker to channel 7
1128 * otherwise to channel 5
1129 */
1130 if (speaker_flags.RL_RR) {
1131 cea_channels.channels.RL_RC = speaker_flags.RL_RR;
1132 cea_channels.channels.RR = speaker_flags.RL_RR;
1133 cea_channels.channels.RC_RLC_FLC = speaker_flags.RC;
1134 } else {
1135 cea_channels.channels.RL_RC = speaker_flags.RC;
1136 }
1137
1138 /* FRONT Left Right Center and REAR Left Right Center are exclusive */
1139 if (speaker_flags.FLC_FRC) {
1140 cea_channels.channels.RC_RLC_FLC = speaker_flags.FLC_FRC;
1141 cea_channels.channels.RRC_FRC = speaker_flags.FLC_FRC;
1142 } else {
1143 cea_channels.channels.RC_RLC_FLC = speaker_flags.RLC_RRC;
1144 cea_channels.channels.RRC_FRC = speaker_flags.RLC_RRC;
1145 }
1146
1147 return cea_channels;
1148}
1149
1150static uint32_t calc_max_audio_packets_per_line(
1151 const struct audio_crtc_info *crtc_info)
1152{
1153 uint32_t max_packets_per_line;
1154
1155 max_packets_per_line =
1156 crtc_info->h_total - crtc_info->h_active;
1157
1158 if (crtc_info->pixel_repetition)
1159 max_packets_per_line *= crtc_info->pixel_repetition;
1160
1161 /* for other hdmi features */
1162 max_packets_per_line -= 58;
1163 /* for Control Period */
1164 max_packets_per_line -= 16;
1165 /* Number of Audio Packets per Line */
1166 max_packets_per_line /= 32;
1167
1168 return max_packets_per_line;
1169}
1170
1171static void get_audio_clock_info(
1172 enum dc_color_depth color_depth,
1173 uint32_t crtc_pixel_clock_100Hz,
1174 uint32_t actual_pixel_clock_100Hz,
1175 struct audio_clock_info *audio_clock_info)
1176{
1177 const struct audio_clock_info *clock_info;
1178 uint32_t index;
1179 uint32_t crtc_pixel_clock_in_10khz = crtc_pixel_clock_100Hz / 100;
1180 uint32_t audio_array_size;
1181
1182 switch (color_depth) {
1183 case COLOR_DEPTH_161616:
1184 clock_info = audio_clock_info_table_48bpc;
1185 audio_array_size = ARRAY_SIZE(
1186 audio_clock_info_table_48bpc);
1187 break;
1188 case COLOR_DEPTH_121212:
1189 clock_info = audio_clock_info_table_36bpc;
1190 audio_array_size = ARRAY_SIZE(
1191 audio_clock_info_table_36bpc);
1192 break;
1193 default:
1194 clock_info = audio_clock_info_table;
1195 audio_array_size = ARRAY_SIZE(
1196 audio_clock_info_table);
1197 break;
1198 }
1199
1200 if (clock_info != NULL) {
1201 /* search for exact pixel clock in table */
1202 for (index = 0; index < audio_array_size; index++) {
1203 if (clock_info[index].pixel_clock_in_10khz >
1204 crtc_pixel_clock_in_10khz)
1205 break; /* not match */
1206 else if (clock_info[index].pixel_clock_in_10khz ==
1207 crtc_pixel_clock_in_10khz) {
1208 /* match found */
1209 *audio_clock_info = clock_info[index];
1210 return;
1211 }
1212 }
1213 }
1214
1215 /* not found */
1216 if (actual_pixel_clock_100Hz == 0)
1217 actual_pixel_clock_100Hz = crtc_pixel_clock_100Hz;
1218
1219 /* See HDMI spec the table entry under
1220 * pixel clock of "Other". */
1221 audio_clock_info->pixel_clock_in_10khz =
1222 actual_pixel_clock_100Hz / 100;
1223 audio_clock_info->cts_32khz = actual_pixel_clock_100Hz / 10;
1224 audio_clock_info->cts_44khz = actual_pixel_clock_100Hz / 10;
1225 audio_clock_info->cts_48khz = actual_pixel_clock_100Hz / 10;
1226
1227 audio_clock_info->n_32khz = 4096;
1228 audio_clock_info->n_44khz = 6272;
1229 audio_clock_info->n_48khz = 6144;
1230}
1231
1232static void dce110_se_audio_setup(
1233 struct stream_encoder *enc,
1234 unsigned int az_inst,
1235 struct audio_info *audio_info)
1236{
1237 struct dce110_stream_encoder *enc110 = DCE110STRENC_FROM_STRENC(enc);
1238
1239 uint32_t channels = 0;
1240
1241 ASSERT(audio_info);
1242 if (audio_info == NULL)
1243 /* This should not happen.it does so we don't get BSOD*/
1244 return;
1245
1246 channels = speakers_to_channels(speaker_flags: audio_info->flags.speaker_flags).all;
1247
1248 /* setup the audio stream source select (audio -> dig mapping) */
1249 REG_SET(AFMT_AUDIO_SRC_CONTROL, 0, AFMT_AUDIO_SRC_SELECT, az_inst);
1250
1251 /* Channel allocation */
1252 REG_UPDATE(AFMT_AUDIO_PACKET_CONTROL2, AFMT_AUDIO_CHANNEL_ENABLE, channels);
1253}
1254
1255static void dce110_se_setup_hdmi_audio(
1256 struct stream_encoder *enc,
1257 const struct audio_crtc_info *crtc_info)
1258{
1259 struct dce110_stream_encoder *enc110 = DCE110STRENC_FROM_STRENC(enc);
1260
1261 struct audio_clock_info audio_clock_info = {0};
1262 uint32_t max_packets_per_line;
1263
1264 /* For now still do calculation, although this field is ignored when
1265 above HDMI_PACKET_GEN_VERSION set to 1 */
1266 max_packets_per_line = calc_max_audio_packets_per_line(crtc_info);
1267
1268 /* HDMI_AUDIO_PACKET_CONTROL */
1269 REG_UPDATE_2(HDMI_AUDIO_PACKET_CONTROL,
1270 HDMI_AUDIO_PACKETS_PER_LINE, max_packets_per_line,
1271 HDMI_AUDIO_DELAY_EN, 1);
1272
1273 /* AFMT_AUDIO_PACKET_CONTROL */
1274 REG_UPDATE(AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1275
1276 /* AFMT_AUDIO_PACKET_CONTROL2 */
1277 REG_UPDATE_2(AFMT_AUDIO_PACKET_CONTROL2,
1278 AFMT_AUDIO_LAYOUT_OVRD, 0,
1279 AFMT_60958_OSF_OVRD, 0);
1280
1281 /* HDMI_ACR_PACKET_CONTROL */
1282 REG_UPDATE_3(HDMI_ACR_PACKET_CONTROL,
1283 HDMI_ACR_AUTO_SEND, 1,
1284 HDMI_ACR_SOURCE, 0,
1285 HDMI_ACR_AUDIO_PRIORITY, 0);
1286
1287 /* Program audio clock sample/regeneration parameters */
1288 get_audio_clock_info(color_depth: crtc_info->color_depth,
1289 crtc_pixel_clock_100Hz: crtc_info->requested_pixel_clock_100Hz,
1290 actual_pixel_clock_100Hz: crtc_info->calculated_pixel_clock_100Hz,
1291 audio_clock_info: &audio_clock_info);
1292 DC_LOG_HW_AUDIO(
1293 "\n%s:Input::requested_pixel_clock_100Hz = %d" \
1294 "calculated_pixel_clock_100Hz = %d \n", __func__, \
1295 crtc_info->requested_pixel_clock_100Hz, \
1296 crtc_info->calculated_pixel_clock_100Hz);
1297
1298 /* HDMI_ACR_32_0__HDMI_ACR_CTS_32_MASK */
1299 REG_UPDATE(HDMI_ACR_32_0, HDMI_ACR_CTS_32, audio_clock_info.cts_32khz);
1300
1301 /* HDMI_ACR_32_1__HDMI_ACR_N_32_MASK */
1302 REG_UPDATE(HDMI_ACR_32_1, HDMI_ACR_N_32, audio_clock_info.n_32khz);
1303
1304 /* HDMI_ACR_44_0__HDMI_ACR_CTS_44_MASK */
1305 REG_UPDATE(HDMI_ACR_44_0, HDMI_ACR_CTS_44, audio_clock_info.cts_44khz);
1306
1307 /* HDMI_ACR_44_1__HDMI_ACR_N_44_MASK */
1308 REG_UPDATE(HDMI_ACR_44_1, HDMI_ACR_N_44, audio_clock_info.n_44khz);
1309
1310 /* HDMI_ACR_48_0__HDMI_ACR_CTS_48_MASK */
1311 REG_UPDATE(HDMI_ACR_48_0, HDMI_ACR_CTS_48, audio_clock_info.cts_48khz);
1312
1313 /* HDMI_ACR_48_1__HDMI_ACR_N_48_MASK */
1314 REG_UPDATE(HDMI_ACR_48_1, HDMI_ACR_N_48, audio_clock_info.n_48khz);
1315
1316 /* Video driver cannot know in advance which sample rate will
1317 be used by HD Audio driver
1318 HDMI_ACR_PACKET_CONTROL__HDMI_ACR_N_MULTIPLE field is
1319 programmed below in interruppt callback */
1320
1321 /* AFMT_60958_0__AFMT_60958_CS_CHANNEL_NUMBER_L_MASK &
1322 AFMT_60958_0__AFMT_60958_CS_CLOCK_ACCURACY_MASK */
1323 REG_UPDATE_2(AFMT_60958_0,
1324 AFMT_60958_CS_CHANNEL_NUMBER_L, 1,
1325 AFMT_60958_CS_CLOCK_ACCURACY, 0);
1326
1327 /* AFMT_60958_1 AFMT_60958_CS_CHALNNEL_NUMBER_R */
1328 REG_UPDATE(AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1329
1330 /*AFMT_60958_2 now keep this settings until
1331 * Programming guide comes out*/
1332 REG_UPDATE_6(AFMT_60958_2,
1333 AFMT_60958_CS_CHANNEL_NUMBER_2, 3,
1334 AFMT_60958_CS_CHANNEL_NUMBER_3, 4,
1335 AFMT_60958_CS_CHANNEL_NUMBER_4, 5,
1336 AFMT_60958_CS_CHANNEL_NUMBER_5, 6,
1337 AFMT_60958_CS_CHANNEL_NUMBER_6, 7,
1338 AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1339}
1340
1341static void dce110_se_setup_dp_audio(
1342 struct stream_encoder *enc)
1343{
1344 struct dce110_stream_encoder *enc110 = DCE110STRENC_FROM_STRENC(enc);
1345
1346 /* --- DP Audio packet configurations --- */
1347
1348 /* ATP Configuration */
1349 REG_SET(DP_SEC_AUD_N, 0,
1350 DP_SEC_AUD_N, DP_SEC_AUD_N__DP_SEC_AUD_N__DEFAULT);
1351
1352 /* Async/auto-calc timestamp mode */
1353 REG_SET(DP_SEC_TIMESTAMP, 0, DP_SEC_TIMESTAMP_MODE,
1354 DP_SEC_TIMESTAMP__DP_SEC_TIMESTAMP_MODE__AUTO_CALC);
1355
1356 /* --- The following are the registers
1357 * copied from the SetupHDMI --- */
1358
1359 /* AFMT_AUDIO_PACKET_CONTROL */
1360 REG_UPDATE(AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1361
1362 /* AFMT_AUDIO_PACKET_CONTROL2 */
1363 /* Program the ATP and AIP next */
1364 REG_UPDATE_2(AFMT_AUDIO_PACKET_CONTROL2,
1365 AFMT_AUDIO_LAYOUT_OVRD, 0,
1366 AFMT_60958_OSF_OVRD, 0);
1367
1368 /* AFMT_INFOFRAME_CONTROL0 */
1369 REG_UPDATE(AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1370
1371 /* AFMT_60958_0__AFMT_60958_CS_CLOCK_ACCURACY_MASK */
1372 REG_UPDATE(AFMT_60958_0, AFMT_60958_CS_CLOCK_ACCURACY, 0);
1373}
1374
1375static void dce110_se_enable_audio_clock(
1376 struct stream_encoder *enc,
1377 bool enable)
1378{
1379 struct dce110_stream_encoder *enc110 = DCE110STRENC_FROM_STRENC(enc);
1380
1381 if (REG(AFMT_CNTL) == 0)
1382 return; /* DCE8/10 does not have this register */
1383
1384 REG_UPDATE(AFMT_CNTL, AFMT_AUDIO_CLOCK_EN, !!enable);
1385
1386 /* wait for AFMT clock to turn on,
1387 * expectation: this should complete in 1-2 reads
1388 *
1389 * REG_WAIT(AFMT_CNTL, AFMT_AUDIO_CLOCK_ON, !!enable, 1, 10);
1390 *
1391 * TODO: wait for clock_on does not work well. May need HW
1392 * program sequence. But audio seems work normally even without wait
1393 * for clock_on status change
1394 */
1395}
1396
1397static void dce110_se_enable_dp_audio(
1398 struct stream_encoder *enc)
1399{
1400 struct dce110_stream_encoder *enc110 = DCE110STRENC_FROM_STRENC(enc);
1401
1402 /* Enable Audio packets */
1403 REG_UPDATE(DP_SEC_CNTL, DP_SEC_ASP_ENABLE, 1);
1404
1405 /* Program the ATP and AIP next */
1406 REG_UPDATE_2(DP_SEC_CNTL,
1407 DP_SEC_ATP_ENABLE, 1,
1408 DP_SEC_AIP_ENABLE, 1);
1409
1410 /* Program STREAM_ENABLE after all the other enables. */
1411 REG_UPDATE(DP_SEC_CNTL, DP_SEC_STREAM_ENABLE, 1);
1412}
1413
1414static void dce110_se_disable_dp_audio(
1415 struct stream_encoder *enc)
1416{
1417 struct dce110_stream_encoder *enc110 = DCE110STRENC_FROM_STRENC(enc);
1418 uint32_t value = 0;
1419
1420 /* Disable Audio packets */
1421 REG_UPDATE_5(DP_SEC_CNTL,
1422 DP_SEC_ASP_ENABLE, 0,
1423 DP_SEC_ATP_ENABLE, 0,
1424 DP_SEC_AIP_ENABLE, 0,
1425 DP_SEC_ACM_ENABLE, 0,
1426 DP_SEC_STREAM_ENABLE, 0);
1427
1428 /* This register shared with encoder info frame. Therefore we need to
1429 keep master enabled if at least on of the fields is not 0 */
1430 value = REG_READ(DP_SEC_CNTL);
1431 if (value != 0)
1432 REG_UPDATE(DP_SEC_CNTL, DP_SEC_STREAM_ENABLE, 1);
1433
1434}
1435
1436void dce110_se_audio_mute_control(
1437 struct stream_encoder *enc,
1438 bool mute)
1439{
1440 struct dce110_stream_encoder *enc110 = DCE110STRENC_FROM_STRENC(enc);
1441
1442 REG_UPDATE(AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, !mute);
1443}
1444
1445void dce110_se_dp_audio_setup(
1446 struct stream_encoder *enc,
1447 unsigned int az_inst,
1448 struct audio_info *info)
1449{
1450 dce110_se_audio_setup(enc, az_inst, audio_info: info);
1451}
1452
1453void dce110_se_dp_audio_enable(
1454 struct stream_encoder *enc)
1455{
1456 dce110_se_enable_audio_clock(enc, enable: true);
1457 dce110_se_setup_dp_audio(enc);
1458 dce110_se_enable_dp_audio(enc);
1459}
1460
1461void dce110_se_dp_audio_disable(
1462 struct stream_encoder *enc)
1463{
1464 dce110_se_disable_dp_audio(enc);
1465 dce110_se_enable_audio_clock(enc, enable: false);
1466}
1467
1468void dce110_se_hdmi_audio_setup(
1469 struct stream_encoder *enc,
1470 unsigned int az_inst,
1471 struct audio_info *info,
1472 struct audio_crtc_info *audio_crtc_info)
1473{
1474 dce110_se_enable_audio_clock(enc, enable: true);
1475 dce110_se_setup_hdmi_audio(enc, crtc_info: audio_crtc_info);
1476 dce110_se_audio_setup(enc, az_inst, audio_info: info);
1477}
1478
1479void dce110_se_hdmi_audio_disable(
1480 struct stream_encoder *enc)
1481{
1482 dce110_se_enable_audio_clock(enc, enable: false);
1483}
1484
1485
1486static void setup_stereo_sync(
1487 struct stream_encoder *enc,
1488 int tg_inst, bool enable)
1489{
1490 struct dce110_stream_encoder *enc110 = DCE110STRENC_FROM_STRENC(enc);
1491 REG_UPDATE(DIG_FE_CNTL, DIG_STEREOSYNC_SELECT, tg_inst);
1492 REG_UPDATE(DIG_FE_CNTL, DIG_STEREOSYNC_GATE_EN, !enable);
1493}
1494
1495static void dig_connect_to_otg(
1496 struct stream_encoder *enc,
1497 int tg_inst)
1498{
1499 struct dce110_stream_encoder *enc110 = DCE110STRENC_FROM_STRENC(enc);
1500
1501 REG_UPDATE(DIG_FE_CNTL, DIG_SOURCE_SELECT, tg_inst);
1502}
1503
1504static unsigned int dig_source_otg(
1505 struct stream_encoder *enc)
1506{
1507 uint32_t tg_inst = 0;
1508 struct dce110_stream_encoder *enc110 = DCE110STRENC_FROM_STRENC(enc);
1509
1510 REG_GET(DIG_FE_CNTL, DIG_SOURCE_SELECT, &tg_inst);
1511
1512 return tg_inst;
1513}
1514
1515static const struct stream_encoder_funcs dce110_str_enc_funcs = {
1516 .dp_set_stream_attribute =
1517 dce110_stream_encoder_dp_set_stream_attribute,
1518 .hdmi_set_stream_attribute =
1519 dce110_stream_encoder_hdmi_set_stream_attribute,
1520 .dvi_set_stream_attribute =
1521 dce110_stream_encoder_dvi_set_stream_attribute,
1522 .lvds_set_stream_attribute =
1523 dce110_stream_encoder_lvds_set_stream_attribute,
1524 .set_throttled_vcp_size =
1525 dce110_stream_encoder_set_throttled_vcp_size,
1526 .update_hdmi_info_packets =
1527 dce110_stream_encoder_update_hdmi_info_packets,
1528 .stop_hdmi_info_packets =
1529 dce110_stream_encoder_stop_hdmi_info_packets,
1530 .update_dp_info_packets =
1531 dce110_stream_encoder_update_dp_info_packets,
1532 .stop_dp_info_packets =
1533 dce110_stream_encoder_stop_dp_info_packets,
1534 .dp_blank =
1535 dce110_stream_encoder_dp_blank,
1536 .dp_unblank =
1537 dce110_stream_encoder_dp_unblank,
1538 .audio_mute_control = dce110_se_audio_mute_control,
1539
1540 .dp_audio_setup = dce110_se_dp_audio_setup,
1541 .dp_audio_enable = dce110_se_dp_audio_enable,
1542 .dp_audio_disable = dce110_se_dp_audio_disable,
1543
1544 .hdmi_audio_setup = dce110_se_hdmi_audio_setup,
1545 .hdmi_audio_disable = dce110_se_hdmi_audio_disable,
1546 .setup_stereo_sync = setup_stereo_sync,
1547 .set_avmute = dce110_stream_encoder_set_avmute,
1548 .dig_connect_to_otg = dig_connect_to_otg,
1549 .hdmi_reset_stream_attribute = dce110_reset_hdmi_stream_attribute,
1550 .dig_source_otg = dig_source_otg,
1551};
1552
1553void dce110_stream_encoder_construct(
1554 struct dce110_stream_encoder *enc110,
1555 struct dc_context *ctx,
1556 struct dc_bios *bp,
1557 enum engine_id eng_id,
1558 const struct dce110_stream_enc_registers *regs,
1559 const struct dce_stream_encoder_shift *se_shift,
1560 const struct dce_stream_encoder_mask *se_mask)
1561{
1562 enc110->base.funcs = &dce110_str_enc_funcs;
1563 enc110->base.ctx = ctx;
1564 enc110->base.id = eng_id;
1565 enc110->base.bp = bp;
1566 enc110->regs = regs;
1567 enc110->se_shift = se_shift;
1568 enc110->se_mask = se_mask;
1569}
1570

source code of linux/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c