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Merge remote-tracking branch 'battery/for-next'
[deliverable/linux.git] / drivers / gpu / drm / amd / amdgpu / dce_v11_0.c
1 /*
2 * Copyright 2014 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 */
23 #include "drmP.h"
24 #include "amdgpu.h"
25 #include "amdgpu_pm.h"
26 #include "amdgpu_i2c.h"
27 #include "vid.h"
28 #include "atom.h"
29 #include "amdgpu_atombios.h"
30 #include "atombios_crtc.h"
31 #include "atombios_encoders.h"
32 #include "amdgpu_pll.h"
33 #include "amdgpu_connectors.h"
34
35 #include "dce/dce_11_0_d.h"
36 #include "dce/dce_11_0_sh_mask.h"
37 #include "dce/dce_11_0_enum.h"
38 #include "oss/oss_3_0_d.h"
39 #include "oss/oss_3_0_sh_mask.h"
40 #include "gmc/gmc_8_1_d.h"
41 #include "gmc/gmc_8_1_sh_mask.h"
42
43 static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev);
44 static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev);
45
46 static const u32 crtc_offsets[] =
47 {
48 CRTC0_REGISTER_OFFSET,
49 CRTC1_REGISTER_OFFSET,
50 CRTC2_REGISTER_OFFSET,
51 CRTC3_REGISTER_OFFSET,
52 CRTC4_REGISTER_OFFSET,
53 CRTC5_REGISTER_OFFSET,
54 CRTC6_REGISTER_OFFSET
55 };
56
57 static const u32 hpd_offsets[] =
58 {
59 HPD0_REGISTER_OFFSET,
60 HPD1_REGISTER_OFFSET,
61 HPD2_REGISTER_OFFSET,
62 HPD3_REGISTER_OFFSET,
63 HPD4_REGISTER_OFFSET,
64 HPD5_REGISTER_OFFSET
65 };
66
67 static const uint32_t dig_offsets[] = {
68 DIG0_REGISTER_OFFSET,
69 DIG1_REGISTER_OFFSET,
70 DIG2_REGISTER_OFFSET,
71 DIG3_REGISTER_OFFSET,
72 DIG4_REGISTER_OFFSET,
73 DIG5_REGISTER_OFFSET,
74 DIG6_REGISTER_OFFSET,
75 DIG7_REGISTER_OFFSET,
76 DIG8_REGISTER_OFFSET
77 };
78
79 static const struct {
80 uint32_t reg;
81 uint32_t vblank;
82 uint32_t vline;
83 uint32_t hpd;
84
85 } interrupt_status_offsets[] = { {
86 .reg = mmDISP_INTERRUPT_STATUS,
87 .vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
88 .vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
89 .hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
90 }, {
91 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
92 .vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
93 .vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
94 .hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
95 }, {
96 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
97 .vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
98 .vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
99 .hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
100 }, {
101 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
102 .vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
103 .vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
104 .hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
105 }, {
106 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
107 .vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
108 .vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
109 .hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
110 }, {
111 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
112 .vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
113 .vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
114 .hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
115 } };
116
117 static const u32 cz_golden_settings_a11[] =
118 {
119 mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000,
120 mmFBC_MISC, 0x1f311fff, 0x14300000,
121 };
122
123 static const u32 cz_mgcg_cgcg_init[] =
124 {
125 mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
126 mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
127 };
128
129 static const u32 stoney_golden_settings_a11[] =
130 {
131 mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000,
132 mmFBC_MISC, 0x1f311fff, 0x14302000,
133 };
134
135 static const u32 polaris11_golden_settings_a11[] =
136 {
137 mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
138 mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
139 mmFBC_DEBUG1, 0xffffffff, 0x00000008,
140 mmFBC_MISC, 0x9f313fff, 0x14302008,
141 mmHDMI_CONTROL, 0x313f031f, 0x00000011,
142 };
143
144 static const u32 polaris10_golden_settings_a11[] =
145 {
146 mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
147 mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
148 mmFBC_MISC, 0x9f313fff, 0x14302008,
149 mmHDMI_CONTROL, 0x313f031f, 0x00000011,
150 };
151
152 static void dce_v11_0_init_golden_registers(struct amdgpu_device *adev)
153 {
154 switch (adev->asic_type) {
155 case CHIP_CARRIZO:
156 amdgpu_program_register_sequence(adev,
157 cz_mgcg_cgcg_init,
158 (const u32)ARRAY_SIZE(cz_mgcg_cgcg_init));
159 amdgpu_program_register_sequence(adev,
160 cz_golden_settings_a11,
161 (const u32)ARRAY_SIZE(cz_golden_settings_a11));
162 break;
163 case CHIP_STONEY:
164 amdgpu_program_register_sequence(adev,
165 stoney_golden_settings_a11,
166 (const u32)ARRAY_SIZE(stoney_golden_settings_a11));
167 break;
168 case CHIP_POLARIS11:
169 amdgpu_program_register_sequence(adev,
170 polaris11_golden_settings_a11,
171 (const u32)ARRAY_SIZE(polaris11_golden_settings_a11));
172 break;
173 case CHIP_POLARIS10:
174 amdgpu_program_register_sequence(adev,
175 polaris10_golden_settings_a11,
176 (const u32)ARRAY_SIZE(polaris10_golden_settings_a11));
177 break;
178 default:
179 break;
180 }
181 }
182
183 static u32 dce_v11_0_audio_endpt_rreg(struct amdgpu_device *adev,
184 u32 block_offset, u32 reg)
185 {
186 unsigned long flags;
187 u32 r;
188
189 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
190 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
191 r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
192 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
193
194 return r;
195 }
196
197 static void dce_v11_0_audio_endpt_wreg(struct amdgpu_device *adev,
198 u32 block_offset, u32 reg, u32 v)
199 {
200 unsigned long flags;
201
202 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
203 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
204 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
205 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
206 }
207
208 static bool dce_v11_0_is_in_vblank(struct amdgpu_device *adev, int crtc)
209 {
210 if (RREG32(mmCRTC_STATUS + crtc_offsets[crtc]) &
211 CRTC_V_BLANK_START_END__CRTC_V_BLANK_START_MASK)
212 return true;
213 else
214 return false;
215 }
216
217 static bool dce_v11_0_is_counter_moving(struct amdgpu_device *adev, int crtc)
218 {
219 u32 pos1, pos2;
220
221 pos1 = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
222 pos2 = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
223
224 if (pos1 != pos2)
225 return true;
226 else
227 return false;
228 }
229
230 /**
231 * dce_v11_0_vblank_wait - vblank wait asic callback.
232 *
233 * @adev: amdgpu_device pointer
234 * @crtc: crtc to wait for vblank on
235 *
236 * Wait for vblank on the requested crtc (evergreen+).
237 */
238 static void dce_v11_0_vblank_wait(struct amdgpu_device *adev, int crtc)
239 {
240 unsigned i = 100;
241
242 if (crtc < 0 || crtc >= adev->mode_info.num_crtc)
243 return;
244
245 if (!(RREG32(mmCRTC_CONTROL + crtc_offsets[crtc]) & CRTC_CONTROL__CRTC_MASTER_EN_MASK))
246 return;
247
248 /* depending on when we hit vblank, we may be close to active; if so,
249 * wait for another frame.
250 */
251 while (dce_v11_0_is_in_vblank(adev, crtc)) {
252 if (i++ == 100) {
253 i = 0;
254 if (!dce_v11_0_is_counter_moving(adev, crtc))
255 break;
256 }
257 }
258
259 while (!dce_v11_0_is_in_vblank(adev, crtc)) {
260 if (i++ == 100) {
261 i = 0;
262 if (!dce_v11_0_is_counter_moving(adev, crtc))
263 break;
264 }
265 }
266 }
267
268 static u32 dce_v11_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
269 {
270 if (crtc < 0 || crtc >= adev->mode_info.num_crtc)
271 return 0;
272 else
273 return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
274 }
275
276 static void dce_v11_0_pageflip_interrupt_init(struct amdgpu_device *adev)
277 {
278 unsigned i;
279
280 /* Enable pflip interrupts */
281 for (i = 0; i < adev->mode_info.num_crtc; i++)
282 amdgpu_irq_get(adev, &adev->pageflip_irq, i);
283 }
284
285 static void dce_v11_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
286 {
287 unsigned i;
288
289 /* Disable pflip interrupts */
290 for (i = 0; i < adev->mode_info.num_crtc; i++)
291 amdgpu_irq_put(adev, &adev->pageflip_irq, i);
292 }
293
294 /**
295 * dce_v11_0_page_flip - pageflip callback.
296 *
297 * @adev: amdgpu_device pointer
298 * @crtc_id: crtc to cleanup pageflip on
299 * @crtc_base: new address of the crtc (GPU MC address)
300 *
301 * Triggers the actual pageflip by updating the primary
302 * surface base address.
303 */
304 static void dce_v11_0_page_flip(struct amdgpu_device *adev,
305 int crtc_id, u64 crtc_base, bool async)
306 {
307 struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
308 u32 tmp;
309
310 /* flip immediate for async, default is vsync */
311 tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
312 tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
313 GRPH_SURFACE_UPDATE_IMMEDIATE_EN, async ? 1 : 0);
314 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
315 /* update the scanout addresses */
316 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
317 upper_32_bits(crtc_base));
318 /* writing to the low address triggers the update */
319 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
320 lower_32_bits(crtc_base));
321 /* post the write */
322 RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
323 }
324
325 static int dce_v11_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
326 u32 *vbl, u32 *position)
327 {
328 if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
329 return -EINVAL;
330
331 *vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
332 *position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
333
334 return 0;
335 }
336
337 /**
338 * dce_v11_0_hpd_sense - hpd sense callback.
339 *
340 * @adev: amdgpu_device pointer
341 * @hpd: hpd (hotplug detect) pin
342 *
343 * Checks if a digital monitor is connected (evergreen+).
344 * Returns true if connected, false if not connected.
345 */
346 static bool dce_v11_0_hpd_sense(struct amdgpu_device *adev,
347 enum amdgpu_hpd_id hpd)
348 {
349 int idx;
350 bool connected = false;
351
352 switch (hpd) {
353 case AMDGPU_HPD_1:
354 idx = 0;
355 break;
356 case AMDGPU_HPD_2:
357 idx = 1;
358 break;
359 case AMDGPU_HPD_3:
360 idx = 2;
361 break;
362 case AMDGPU_HPD_4:
363 idx = 3;
364 break;
365 case AMDGPU_HPD_5:
366 idx = 4;
367 break;
368 case AMDGPU_HPD_6:
369 idx = 5;
370 break;
371 default:
372 return connected;
373 }
374
375 if (RREG32(mmDC_HPD_INT_STATUS + hpd_offsets[idx]) &
376 DC_HPD_INT_STATUS__DC_HPD_SENSE_MASK)
377 connected = true;
378
379 return connected;
380 }
381
382 /**
383 * dce_v11_0_hpd_set_polarity - hpd set polarity callback.
384 *
385 * @adev: amdgpu_device pointer
386 * @hpd: hpd (hotplug detect) pin
387 *
388 * Set the polarity of the hpd pin (evergreen+).
389 */
390 static void dce_v11_0_hpd_set_polarity(struct amdgpu_device *adev,
391 enum amdgpu_hpd_id hpd)
392 {
393 u32 tmp;
394 bool connected = dce_v11_0_hpd_sense(adev, hpd);
395 int idx;
396
397 switch (hpd) {
398 case AMDGPU_HPD_1:
399 idx = 0;
400 break;
401 case AMDGPU_HPD_2:
402 idx = 1;
403 break;
404 case AMDGPU_HPD_3:
405 idx = 2;
406 break;
407 case AMDGPU_HPD_4:
408 idx = 3;
409 break;
410 case AMDGPU_HPD_5:
411 idx = 4;
412 break;
413 case AMDGPU_HPD_6:
414 idx = 5;
415 break;
416 default:
417 return;
418 }
419
420 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[idx]);
421 if (connected)
422 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 0);
423 else
424 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 1);
425 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[idx], tmp);
426 }
427
428 /**
429 * dce_v11_0_hpd_init - hpd setup callback.
430 *
431 * @adev: amdgpu_device pointer
432 *
433 * Setup the hpd pins used by the card (evergreen+).
434 * Enable the pin, set the polarity, and enable the hpd interrupts.
435 */
436 static void dce_v11_0_hpd_init(struct amdgpu_device *adev)
437 {
438 struct drm_device *dev = adev->ddev;
439 struct drm_connector *connector;
440 u32 tmp;
441 int idx;
442
443 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
444 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
445
446 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
447 connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
448 /* don't try to enable hpd on eDP or LVDS avoid breaking the
449 * aux dp channel on imac and help (but not completely fix)
450 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
451 * also avoid interrupt storms during dpms.
452 */
453 continue;
454 }
455
456 switch (amdgpu_connector->hpd.hpd) {
457 case AMDGPU_HPD_1:
458 idx = 0;
459 break;
460 case AMDGPU_HPD_2:
461 idx = 1;
462 break;
463 case AMDGPU_HPD_3:
464 idx = 2;
465 break;
466 case AMDGPU_HPD_4:
467 idx = 3;
468 break;
469 case AMDGPU_HPD_5:
470 idx = 4;
471 break;
472 case AMDGPU_HPD_6:
473 idx = 5;
474 break;
475 default:
476 continue;
477 }
478
479 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[idx]);
480 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 1);
481 WREG32(mmDC_HPD_CONTROL + hpd_offsets[idx], tmp);
482
483 tmp = RREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[idx]);
484 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
485 DC_HPD_CONNECT_INT_DELAY,
486 AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS);
487 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
488 DC_HPD_DISCONNECT_INT_DELAY,
489 AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS);
490 WREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[idx], tmp);
491
492 dce_v11_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
493 amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
494 }
495 }
496
497 /**
498 * dce_v11_0_hpd_fini - hpd tear down callback.
499 *
500 * @adev: amdgpu_device pointer
501 *
502 * Tear down the hpd pins used by the card (evergreen+).
503 * Disable the hpd interrupts.
504 */
505 static void dce_v11_0_hpd_fini(struct amdgpu_device *adev)
506 {
507 struct drm_device *dev = adev->ddev;
508 struct drm_connector *connector;
509 u32 tmp;
510 int idx;
511
512 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
513 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
514
515 switch (amdgpu_connector->hpd.hpd) {
516 case AMDGPU_HPD_1:
517 idx = 0;
518 break;
519 case AMDGPU_HPD_2:
520 idx = 1;
521 break;
522 case AMDGPU_HPD_3:
523 idx = 2;
524 break;
525 case AMDGPU_HPD_4:
526 idx = 3;
527 break;
528 case AMDGPU_HPD_5:
529 idx = 4;
530 break;
531 case AMDGPU_HPD_6:
532 idx = 5;
533 break;
534 default:
535 continue;
536 }
537
538 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[idx]);
539 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 0);
540 WREG32(mmDC_HPD_CONTROL + hpd_offsets[idx], tmp);
541
542 amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
543 }
544 }
545
546 static u32 dce_v11_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
547 {
548 return mmDC_GPIO_HPD_A;
549 }
550
551 static bool dce_v11_0_is_display_hung(struct amdgpu_device *adev)
552 {
553 u32 crtc_hung = 0;
554 u32 crtc_status[6];
555 u32 i, j, tmp;
556
557 for (i = 0; i < adev->mode_info.num_crtc; i++) {
558 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
559 if (REG_GET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN)) {
560 crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
561 crtc_hung |= (1 << i);
562 }
563 }
564
565 for (j = 0; j < 10; j++) {
566 for (i = 0; i < adev->mode_info.num_crtc; i++) {
567 if (crtc_hung & (1 << i)) {
568 tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
569 if (tmp != crtc_status[i])
570 crtc_hung &= ~(1 << i);
571 }
572 }
573 if (crtc_hung == 0)
574 return false;
575 udelay(100);
576 }
577
578 return true;
579 }
580
581 static void dce_v11_0_stop_mc_access(struct amdgpu_device *adev,
582 struct amdgpu_mode_mc_save *save)
583 {
584 u32 crtc_enabled, tmp;
585 int i;
586
587 save->vga_render_control = RREG32(mmVGA_RENDER_CONTROL);
588 save->vga_hdp_control = RREG32(mmVGA_HDP_CONTROL);
589
590 /* disable VGA render */
591 tmp = RREG32(mmVGA_RENDER_CONTROL);
592 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
593 WREG32(mmVGA_RENDER_CONTROL, tmp);
594
595 /* blank the display controllers */
596 for (i = 0; i < adev->mode_info.num_crtc; i++) {
597 crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]),
598 CRTC_CONTROL, CRTC_MASTER_EN);
599 if (crtc_enabled) {
600 #if 1
601 save->crtc_enabled[i] = true;
602 tmp = RREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i]);
603 if (REG_GET_FIELD(tmp, CRTC_BLANK_CONTROL, CRTC_BLANK_DATA_EN) == 0) {
604 /*it is correct only for RGB ; black is 0*/
605 WREG32(mmCRTC_BLANK_DATA_COLOR + crtc_offsets[i], 0);
606 tmp = REG_SET_FIELD(tmp, CRTC_BLANK_CONTROL, CRTC_BLANK_DATA_EN, 1);
607 WREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
608 }
609 #else
610 /* XXX this is a hack to avoid strange behavior with EFI on certain systems */
611 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
612 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
613 tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0);
614 WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
615 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
616 save->crtc_enabled[i] = false;
617 /* ***** */
618 #endif
619 } else {
620 save->crtc_enabled[i] = false;
621 }
622 }
623 }
624
625 static void dce_v11_0_resume_mc_access(struct amdgpu_device *adev,
626 struct amdgpu_mode_mc_save *save)
627 {
628 u32 tmp;
629 int i;
630
631 /* update crtc base addresses */
632 for (i = 0; i < adev->mode_info.num_crtc; i++) {
633 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i],
634 upper_32_bits(adev->mc.vram_start));
635 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + crtc_offsets[i],
636 (u32)adev->mc.vram_start);
637
638 if (save->crtc_enabled[i]) {
639 tmp = RREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i]);
640 tmp = REG_SET_FIELD(tmp, CRTC_BLANK_CONTROL, CRTC_BLANK_DATA_EN, 0);
641 WREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
642 }
643 }
644
645 WREG32(mmVGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(adev->mc.vram_start));
646 WREG32(mmVGA_MEMORY_BASE_ADDRESS, lower_32_bits(adev->mc.vram_start));
647
648 /* Unlock vga access */
649 WREG32(mmVGA_HDP_CONTROL, save->vga_hdp_control);
650 mdelay(1);
651 WREG32(mmVGA_RENDER_CONTROL, save->vga_render_control);
652 }
653
654 static void dce_v11_0_set_vga_render_state(struct amdgpu_device *adev,
655 bool render)
656 {
657 u32 tmp;
658
659 /* Lockout access through VGA aperture*/
660 tmp = RREG32(mmVGA_HDP_CONTROL);
661 if (render)
662 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0);
663 else
664 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
665 WREG32(mmVGA_HDP_CONTROL, tmp);
666
667 /* disable VGA render */
668 tmp = RREG32(mmVGA_RENDER_CONTROL);
669 if (render)
670 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1);
671 else
672 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
673 WREG32(mmVGA_RENDER_CONTROL, tmp);
674 }
675
676 static int dce_v11_0_get_num_crtc (struct amdgpu_device *adev)
677 {
678 int num_crtc = 0;
679
680 switch (adev->asic_type) {
681 case CHIP_CARRIZO:
682 num_crtc = 3;
683 break;
684 case CHIP_STONEY:
685 num_crtc = 2;
686 break;
687 case CHIP_POLARIS10:
688 num_crtc = 6;
689 break;
690 case CHIP_POLARIS11:
691 num_crtc = 5;
692 break;
693 default:
694 num_crtc = 0;
695 }
696 return num_crtc;
697 }
698
699 void dce_v11_0_disable_dce(struct amdgpu_device *adev)
700 {
701 /*Disable VGA render and enabled crtc, if has DCE engine*/
702 if (amdgpu_atombios_has_dce_engine_info(adev)) {
703 u32 tmp;
704 int crtc_enabled, i;
705
706 dce_v11_0_set_vga_render_state(adev, false);
707
708 /*Disable crtc*/
709 for (i = 0; i < dce_v11_0_get_num_crtc(adev); i++) {
710 crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]),
711 CRTC_CONTROL, CRTC_MASTER_EN);
712 if (crtc_enabled) {
713 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
714 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
715 tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0);
716 WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
717 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
718 }
719 }
720 }
721 }
722
723 static void dce_v11_0_program_fmt(struct drm_encoder *encoder)
724 {
725 struct drm_device *dev = encoder->dev;
726 struct amdgpu_device *adev = dev->dev_private;
727 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
728 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
729 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
730 int bpc = 0;
731 u32 tmp = 0;
732 enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
733
734 if (connector) {
735 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
736 bpc = amdgpu_connector_get_monitor_bpc(connector);
737 dither = amdgpu_connector->dither;
738 }
739
740 /* LVDS/eDP FMT is set up by atom */
741 if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
742 return;
743
744 /* not needed for analog */
745 if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
746 (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
747 return;
748
749 if (bpc == 0)
750 return;
751
752 switch (bpc) {
753 case 6:
754 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
755 /* XXX sort out optimal dither settings */
756 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
757 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
758 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
759 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 0);
760 } else {
761 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
762 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 0);
763 }
764 break;
765 case 8:
766 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
767 /* XXX sort out optimal dither settings */
768 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
769 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
770 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
771 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
772 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 1);
773 } else {
774 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
775 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 1);
776 }
777 break;
778 case 10:
779 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
780 /* XXX sort out optimal dither settings */
781 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
782 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
783 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
784 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
785 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 2);
786 } else {
787 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
788 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 2);
789 }
790 break;
791 default:
792 /* not needed */
793 break;
794 }
795
796 WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
797 }
798
799
800 /* display watermark setup */
801 /**
802 * dce_v11_0_line_buffer_adjust - Set up the line buffer
803 *
804 * @adev: amdgpu_device pointer
805 * @amdgpu_crtc: the selected display controller
806 * @mode: the current display mode on the selected display
807 * controller
808 *
809 * Setup up the line buffer allocation for
810 * the selected display controller (CIK).
811 * Returns the line buffer size in pixels.
812 */
813 static u32 dce_v11_0_line_buffer_adjust(struct amdgpu_device *adev,
814 struct amdgpu_crtc *amdgpu_crtc,
815 struct drm_display_mode *mode)
816 {
817 u32 tmp, buffer_alloc, i, mem_cfg;
818 u32 pipe_offset = amdgpu_crtc->crtc_id;
819 /*
820 * Line Buffer Setup
821 * There are 6 line buffers, one for each display controllers.
822 * There are 3 partitions per LB. Select the number of partitions
823 * to enable based on the display width. For display widths larger
824 * than 4096, you need use to use 2 display controllers and combine
825 * them using the stereo blender.
826 */
827 if (amdgpu_crtc->base.enabled && mode) {
828 if (mode->crtc_hdisplay < 1920) {
829 mem_cfg = 1;
830 buffer_alloc = 2;
831 } else if (mode->crtc_hdisplay < 2560) {
832 mem_cfg = 2;
833 buffer_alloc = 2;
834 } else if (mode->crtc_hdisplay < 4096) {
835 mem_cfg = 0;
836 buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
837 } else {
838 DRM_DEBUG_KMS("Mode too big for LB!\n");
839 mem_cfg = 0;
840 buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
841 }
842 } else {
843 mem_cfg = 1;
844 buffer_alloc = 0;
845 }
846
847 tmp = RREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset);
848 tmp = REG_SET_FIELD(tmp, LB_MEMORY_CTRL, LB_MEMORY_CONFIG, mem_cfg);
849 WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset, tmp);
850
851 tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
852 tmp = REG_SET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATED, buffer_alloc);
853 WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset, tmp);
854
855 for (i = 0; i < adev->usec_timeout; i++) {
856 tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
857 if (REG_GET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATION_COMPLETED))
858 break;
859 udelay(1);
860 }
861
862 if (amdgpu_crtc->base.enabled && mode) {
863 switch (mem_cfg) {
864 case 0:
865 default:
866 return 4096 * 2;
867 case 1:
868 return 1920 * 2;
869 case 2:
870 return 2560 * 2;
871 }
872 }
873
874 /* controller not enabled, so no lb used */
875 return 0;
876 }
877
878 /**
879 * cik_get_number_of_dram_channels - get the number of dram channels
880 *
881 * @adev: amdgpu_device pointer
882 *
883 * Look up the number of video ram channels (CIK).
884 * Used for display watermark bandwidth calculations
885 * Returns the number of dram channels
886 */
887 static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev)
888 {
889 u32 tmp = RREG32(mmMC_SHARED_CHMAP);
890
891 switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
892 case 0:
893 default:
894 return 1;
895 case 1:
896 return 2;
897 case 2:
898 return 4;
899 case 3:
900 return 8;
901 case 4:
902 return 3;
903 case 5:
904 return 6;
905 case 6:
906 return 10;
907 case 7:
908 return 12;
909 case 8:
910 return 16;
911 }
912 }
913
914 struct dce10_wm_params {
915 u32 dram_channels; /* number of dram channels */
916 u32 yclk; /* bandwidth per dram data pin in kHz */
917 u32 sclk; /* engine clock in kHz */
918 u32 disp_clk; /* display clock in kHz */
919 u32 src_width; /* viewport width */
920 u32 active_time; /* active display time in ns */
921 u32 blank_time; /* blank time in ns */
922 bool interlaced; /* mode is interlaced */
923 fixed20_12 vsc; /* vertical scale ratio */
924 u32 num_heads; /* number of active crtcs */
925 u32 bytes_per_pixel; /* bytes per pixel display + overlay */
926 u32 lb_size; /* line buffer allocated to pipe */
927 u32 vtaps; /* vertical scaler taps */
928 };
929
930 /**
931 * dce_v11_0_dram_bandwidth - get the dram bandwidth
932 *
933 * @wm: watermark calculation data
934 *
935 * Calculate the raw dram bandwidth (CIK).
936 * Used for display watermark bandwidth calculations
937 * Returns the dram bandwidth in MBytes/s
938 */
939 static u32 dce_v11_0_dram_bandwidth(struct dce10_wm_params *wm)
940 {
941 /* Calculate raw DRAM Bandwidth */
942 fixed20_12 dram_efficiency; /* 0.7 */
943 fixed20_12 yclk, dram_channels, bandwidth;
944 fixed20_12 a;
945
946 a.full = dfixed_const(1000);
947 yclk.full = dfixed_const(wm->yclk);
948 yclk.full = dfixed_div(yclk, a);
949 dram_channels.full = dfixed_const(wm->dram_channels * 4);
950 a.full = dfixed_const(10);
951 dram_efficiency.full = dfixed_const(7);
952 dram_efficiency.full = dfixed_div(dram_efficiency, a);
953 bandwidth.full = dfixed_mul(dram_channels, yclk);
954 bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
955
956 return dfixed_trunc(bandwidth);
957 }
958
959 /**
960 * dce_v11_0_dram_bandwidth_for_display - get the dram bandwidth for display
961 *
962 * @wm: watermark calculation data
963 *
964 * Calculate the dram bandwidth used for display (CIK).
965 * Used for display watermark bandwidth calculations
966 * Returns the dram bandwidth for display in MBytes/s
967 */
968 static u32 dce_v11_0_dram_bandwidth_for_display(struct dce10_wm_params *wm)
969 {
970 /* Calculate DRAM Bandwidth and the part allocated to display. */
971 fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
972 fixed20_12 yclk, dram_channels, bandwidth;
973 fixed20_12 a;
974
975 a.full = dfixed_const(1000);
976 yclk.full = dfixed_const(wm->yclk);
977 yclk.full = dfixed_div(yclk, a);
978 dram_channels.full = dfixed_const(wm->dram_channels * 4);
979 a.full = dfixed_const(10);
980 disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
981 disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
982 bandwidth.full = dfixed_mul(dram_channels, yclk);
983 bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
984
985 return dfixed_trunc(bandwidth);
986 }
987
988 /**
989 * dce_v11_0_data_return_bandwidth - get the data return bandwidth
990 *
991 * @wm: watermark calculation data
992 *
993 * Calculate the data return bandwidth used for display (CIK).
994 * Used for display watermark bandwidth calculations
995 * Returns the data return bandwidth in MBytes/s
996 */
997 static u32 dce_v11_0_data_return_bandwidth(struct dce10_wm_params *wm)
998 {
999 /* Calculate the display Data return Bandwidth */
1000 fixed20_12 return_efficiency; /* 0.8 */
1001 fixed20_12 sclk, bandwidth;
1002 fixed20_12 a;
1003
1004 a.full = dfixed_const(1000);
1005 sclk.full = dfixed_const(wm->sclk);
1006 sclk.full = dfixed_div(sclk, a);
1007 a.full = dfixed_const(10);
1008 return_efficiency.full = dfixed_const(8);
1009 return_efficiency.full = dfixed_div(return_efficiency, a);
1010 a.full = dfixed_const(32);
1011 bandwidth.full = dfixed_mul(a, sclk);
1012 bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
1013
1014 return dfixed_trunc(bandwidth);
1015 }
1016
1017 /**
1018 * dce_v11_0_dmif_request_bandwidth - get the dmif bandwidth
1019 *
1020 * @wm: watermark calculation data
1021 *
1022 * Calculate the dmif bandwidth used for display (CIK).
1023 * Used for display watermark bandwidth calculations
1024 * Returns the dmif bandwidth in MBytes/s
1025 */
1026 static u32 dce_v11_0_dmif_request_bandwidth(struct dce10_wm_params *wm)
1027 {
1028 /* Calculate the DMIF Request Bandwidth */
1029 fixed20_12 disp_clk_request_efficiency; /* 0.8 */
1030 fixed20_12 disp_clk, bandwidth;
1031 fixed20_12 a, b;
1032
1033 a.full = dfixed_const(1000);
1034 disp_clk.full = dfixed_const(wm->disp_clk);
1035 disp_clk.full = dfixed_div(disp_clk, a);
1036 a.full = dfixed_const(32);
1037 b.full = dfixed_mul(a, disp_clk);
1038
1039 a.full = dfixed_const(10);
1040 disp_clk_request_efficiency.full = dfixed_const(8);
1041 disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
1042
1043 bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
1044
1045 return dfixed_trunc(bandwidth);
1046 }
1047
1048 /**
1049 * dce_v11_0_available_bandwidth - get the min available bandwidth
1050 *
1051 * @wm: watermark calculation data
1052 *
1053 * Calculate the min available bandwidth used for display (CIK).
1054 * Used for display watermark bandwidth calculations
1055 * Returns the min available bandwidth in MBytes/s
1056 */
1057 static u32 dce_v11_0_available_bandwidth(struct dce10_wm_params *wm)
1058 {
1059 /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
1060 u32 dram_bandwidth = dce_v11_0_dram_bandwidth(wm);
1061 u32 data_return_bandwidth = dce_v11_0_data_return_bandwidth(wm);
1062 u32 dmif_req_bandwidth = dce_v11_0_dmif_request_bandwidth(wm);
1063
1064 return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
1065 }
1066
1067 /**
1068 * dce_v11_0_average_bandwidth - get the average available bandwidth
1069 *
1070 * @wm: watermark calculation data
1071 *
1072 * Calculate the average available bandwidth used for display (CIK).
1073 * Used for display watermark bandwidth calculations
1074 * Returns the average available bandwidth in MBytes/s
1075 */
1076 static u32 dce_v11_0_average_bandwidth(struct dce10_wm_params *wm)
1077 {
1078 /* Calculate the display mode Average Bandwidth
1079 * DisplayMode should contain the source and destination dimensions,
1080 * timing, etc.
1081 */
1082 fixed20_12 bpp;
1083 fixed20_12 line_time;
1084 fixed20_12 src_width;
1085 fixed20_12 bandwidth;
1086 fixed20_12 a;
1087
1088 a.full = dfixed_const(1000);
1089 line_time.full = dfixed_const(wm->active_time + wm->blank_time);
1090 line_time.full = dfixed_div(line_time, a);
1091 bpp.full = dfixed_const(wm->bytes_per_pixel);
1092 src_width.full = dfixed_const(wm->src_width);
1093 bandwidth.full = dfixed_mul(src_width, bpp);
1094 bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
1095 bandwidth.full = dfixed_div(bandwidth, line_time);
1096
1097 return dfixed_trunc(bandwidth);
1098 }
1099
1100 /**
1101 * dce_v11_0_latency_watermark - get the latency watermark
1102 *
1103 * @wm: watermark calculation data
1104 *
1105 * Calculate the latency watermark (CIK).
1106 * Used for display watermark bandwidth calculations
1107 * Returns the latency watermark in ns
1108 */
1109 static u32 dce_v11_0_latency_watermark(struct dce10_wm_params *wm)
1110 {
1111 /* First calculate the latency in ns */
1112 u32 mc_latency = 2000; /* 2000 ns. */
1113 u32 available_bandwidth = dce_v11_0_available_bandwidth(wm);
1114 u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
1115 u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
1116 u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
1117 u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
1118 (wm->num_heads * cursor_line_pair_return_time);
1119 u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
1120 u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
1121 u32 tmp, dmif_size = 12288;
1122 fixed20_12 a, b, c;
1123
1124 if (wm->num_heads == 0)
1125 return 0;
1126
1127 a.full = dfixed_const(2);
1128 b.full = dfixed_const(1);
1129 if ((wm->vsc.full > a.full) ||
1130 ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
1131 (wm->vtaps >= 5) ||
1132 ((wm->vsc.full >= a.full) && wm->interlaced))
1133 max_src_lines_per_dst_line = 4;
1134 else
1135 max_src_lines_per_dst_line = 2;
1136
1137 a.full = dfixed_const(available_bandwidth);
1138 b.full = dfixed_const(wm->num_heads);
1139 a.full = dfixed_div(a, b);
1140
1141 b.full = dfixed_const(mc_latency + 512);
1142 c.full = dfixed_const(wm->disp_clk);
1143 b.full = dfixed_div(b, c);
1144
1145 c.full = dfixed_const(dmif_size);
1146 b.full = dfixed_div(c, b);
1147
1148 tmp = min(dfixed_trunc(a), dfixed_trunc(b));
1149
1150 b.full = dfixed_const(1000);
1151 c.full = dfixed_const(wm->disp_clk);
1152 b.full = dfixed_div(c, b);
1153 c.full = dfixed_const(wm->bytes_per_pixel);
1154 b.full = dfixed_mul(b, c);
1155
1156 lb_fill_bw = min(tmp, dfixed_trunc(b));
1157
1158 a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
1159 b.full = dfixed_const(1000);
1160 c.full = dfixed_const(lb_fill_bw);
1161 b.full = dfixed_div(c, b);
1162 a.full = dfixed_div(a, b);
1163 line_fill_time = dfixed_trunc(a);
1164
1165 if (line_fill_time < wm->active_time)
1166 return latency;
1167 else
1168 return latency + (line_fill_time - wm->active_time);
1169
1170 }
1171
1172 /**
1173 * dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display - check
1174 * average and available dram bandwidth
1175 *
1176 * @wm: watermark calculation data
1177 *
1178 * Check if the display average bandwidth fits in the display
1179 * dram bandwidth (CIK).
1180 * Used for display watermark bandwidth calculations
1181 * Returns true if the display fits, false if not.
1182 */
1183 static bool dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce10_wm_params *wm)
1184 {
1185 if (dce_v11_0_average_bandwidth(wm) <=
1186 (dce_v11_0_dram_bandwidth_for_display(wm) / wm->num_heads))
1187 return true;
1188 else
1189 return false;
1190 }
1191
1192 /**
1193 * dce_v11_0_average_bandwidth_vs_available_bandwidth - check
1194 * average and available bandwidth
1195 *
1196 * @wm: watermark calculation data
1197 *
1198 * Check if the display average bandwidth fits in the display
1199 * available bandwidth (CIK).
1200 * Used for display watermark bandwidth calculations
1201 * Returns true if the display fits, false if not.
1202 */
1203 static bool dce_v11_0_average_bandwidth_vs_available_bandwidth(struct dce10_wm_params *wm)
1204 {
1205 if (dce_v11_0_average_bandwidth(wm) <=
1206 (dce_v11_0_available_bandwidth(wm) / wm->num_heads))
1207 return true;
1208 else
1209 return false;
1210 }
1211
1212 /**
1213 * dce_v11_0_check_latency_hiding - check latency hiding
1214 *
1215 * @wm: watermark calculation data
1216 *
1217 * Check latency hiding (CIK).
1218 * Used for display watermark bandwidth calculations
1219 * Returns true if the display fits, false if not.
1220 */
1221 static bool dce_v11_0_check_latency_hiding(struct dce10_wm_params *wm)
1222 {
1223 u32 lb_partitions = wm->lb_size / wm->src_width;
1224 u32 line_time = wm->active_time + wm->blank_time;
1225 u32 latency_tolerant_lines;
1226 u32 latency_hiding;
1227 fixed20_12 a;
1228
1229 a.full = dfixed_const(1);
1230 if (wm->vsc.full > a.full)
1231 latency_tolerant_lines = 1;
1232 else {
1233 if (lb_partitions <= (wm->vtaps + 1))
1234 latency_tolerant_lines = 1;
1235 else
1236 latency_tolerant_lines = 2;
1237 }
1238
1239 latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
1240
1241 if (dce_v11_0_latency_watermark(wm) <= latency_hiding)
1242 return true;
1243 else
1244 return false;
1245 }
1246
1247 /**
1248 * dce_v11_0_program_watermarks - program display watermarks
1249 *
1250 * @adev: amdgpu_device pointer
1251 * @amdgpu_crtc: the selected display controller
1252 * @lb_size: line buffer size
1253 * @num_heads: number of display controllers in use
1254 *
1255 * Calculate and program the display watermarks for the
1256 * selected display controller (CIK).
1257 */
1258 static void dce_v11_0_program_watermarks(struct amdgpu_device *adev,
1259 struct amdgpu_crtc *amdgpu_crtc,
1260 u32 lb_size, u32 num_heads)
1261 {
1262 struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
1263 struct dce10_wm_params wm_low, wm_high;
1264 u32 pixel_period;
1265 u32 line_time = 0;
1266 u32 latency_watermark_a = 0, latency_watermark_b = 0;
1267 u32 tmp, wm_mask, lb_vblank_lead_lines = 0;
1268
1269 if (amdgpu_crtc->base.enabled && num_heads && mode) {
1270 pixel_period = 1000000 / (u32)mode->clock;
1271 line_time = min((u32)mode->crtc_htotal * pixel_period, (u32)65535);
1272
1273 /* watermark for high clocks */
1274 if (adev->pm.dpm_enabled) {
1275 wm_high.yclk =
1276 amdgpu_dpm_get_mclk(adev, false) * 10;
1277 wm_high.sclk =
1278 amdgpu_dpm_get_sclk(adev, false) * 10;
1279 } else {
1280 wm_high.yclk = adev->pm.current_mclk * 10;
1281 wm_high.sclk = adev->pm.current_sclk * 10;
1282 }
1283
1284 wm_high.disp_clk = mode->clock;
1285 wm_high.src_width = mode->crtc_hdisplay;
1286 wm_high.active_time = mode->crtc_hdisplay * pixel_period;
1287 wm_high.blank_time = line_time - wm_high.active_time;
1288 wm_high.interlaced = false;
1289 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1290 wm_high.interlaced = true;
1291 wm_high.vsc = amdgpu_crtc->vsc;
1292 wm_high.vtaps = 1;
1293 if (amdgpu_crtc->rmx_type != RMX_OFF)
1294 wm_high.vtaps = 2;
1295 wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
1296 wm_high.lb_size = lb_size;
1297 wm_high.dram_channels = cik_get_number_of_dram_channels(adev);
1298 wm_high.num_heads = num_heads;
1299
1300 /* set for high clocks */
1301 latency_watermark_a = min(dce_v11_0_latency_watermark(&wm_high), (u32)65535);
1302
1303 /* possibly force display priority to high */
1304 /* should really do this at mode validation time... */
1305 if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
1306 !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
1307 !dce_v11_0_check_latency_hiding(&wm_high) ||
1308 (adev->mode_info.disp_priority == 2)) {
1309 DRM_DEBUG_KMS("force priority to high\n");
1310 }
1311
1312 /* watermark for low clocks */
1313 if (adev->pm.dpm_enabled) {
1314 wm_low.yclk =
1315 amdgpu_dpm_get_mclk(adev, true) * 10;
1316 wm_low.sclk =
1317 amdgpu_dpm_get_sclk(adev, true) * 10;
1318 } else {
1319 wm_low.yclk = adev->pm.current_mclk * 10;
1320 wm_low.sclk = adev->pm.current_sclk * 10;
1321 }
1322
1323 wm_low.disp_clk = mode->clock;
1324 wm_low.src_width = mode->crtc_hdisplay;
1325 wm_low.active_time = mode->crtc_hdisplay * pixel_period;
1326 wm_low.blank_time = line_time - wm_low.active_time;
1327 wm_low.interlaced = false;
1328 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1329 wm_low.interlaced = true;
1330 wm_low.vsc = amdgpu_crtc->vsc;
1331 wm_low.vtaps = 1;
1332 if (amdgpu_crtc->rmx_type != RMX_OFF)
1333 wm_low.vtaps = 2;
1334 wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
1335 wm_low.lb_size = lb_size;
1336 wm_low.dram_channels = cik_get_number_of_dram_channels(adev);
1337 wm_low.num_heads = num_heads;
1338
1339 /* set for low clocks */
1340 latency_watermark_b = min(dce_v11_0_latency_watermark(&wm_low), (u32)65535);
1341
1342 /* possibly force display priority to high */
1343 /* should really do this at mode validation time... */
1344 if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
1345 !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
1346 !dce_v11_0_check_latency_hiding(&wm_low) ||
1347 (adev->mode_info.disp_priority == 2)) {
1348 DRM_DEBUG_KMS("force priority to high\n");
1349 }
1350 lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
1351 }
1352
1353 /* select wm A */
1354 wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset);
1355 tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 1);
1356 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1357 tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1358 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_a);
1359 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1360 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1361 /* select wm B */
1362 tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 2);
1363 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1364 tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1365 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_b);
1366 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1367 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1368 /* restore original selection */
1369 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask);
1370
1371 /* save values for DPM */
1372 amdgpu_crtc->line_time = line_time;
1373 amdgpu_crtc->wm_high = latency_watermark_a;
1374 amdgpu_crtc->wm_low = latency_watermark_b;
1375 /* Save number of lines the linebuffer leads before the scanout */
1376 amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
1377 }
1378
1379 /**
1380 * dce_v11_0_bandwidth_update - program display watermarks
1381 *
1382 * @adev: amdgpu_device pointer
1383 *
1384 * Calculate and program the display watermarks and line
1385 * buffer allocation (CIK).
1386 */
1387 static void dce_v11_0_bandwidth_update(struct amdgpu_device *adev)
1388 {
1389 struct drm_display_mode *mode = NULL;
1390 u32 num_heads = 0, lb_size;
1391 int i;
1392
1393 amdgpu_update_display_priority(adev);
1394
1395 for (i = 0; i < adev->mode_info.num_crtc; i++) {
1396 if (adev->mode_info.crtcs[i]->base.enabled)
1397 num_heads++;
1398 }
1399 for (i = 0; i < adev->mode_info.num_crtc; i++) {
1400 mode = &adev->mode_info.crtcs[i]->base.mode;
1401 lb_size = dce_v11_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode);
1402 dce_v11_0_program_watermarks(adev, adev->mode_info.crtcs[i],
1403 lb_size, num_heads);
1404 }
1405 }
1406
1407 static void dce_v11_0_audio_get_connected_pins(struct amdgpu_device *adev)
1408 {
1409 int i;
1410 u32 offset, tmp;
1411
1412 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1413 offset = adev->mode_info.audio.pin[i].offset;
1414 tmp = RREG32_AUDIO_ENDPT(offset,
1415 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1416 if (((tmp &
1417 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >>
1418 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1)
1419 adev->mode_info.audio.pin[i].connected = false;
1420 else
1421 adev->mode_info.audio.pin[i].connected = true;
1422 }
1423 }
1424
1425 static struct amdgpu_audio_pin *dce_v11_0_audio_get_pin(struct amdgpu_device *adev)
1426 {
1427 int i;
1428
1429 dce_v11_0_audio_get_connected_pins(adev);
1430
1431 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1432 if (adev->mode_info.audio.pin[i].connected)
1433 return &adev->mode_info.audio.pin[i];
1434 }
1435 DRM_ERROR("No connected audio pins found!\n");
1436 return NULL;
1437 }
1438
1439 static void dce_v11_0_afmt_audio_select_pin(struct drm_encoder *encoder)
1440 {
1441 struct amdgpu_device *adev = encoder->dev->dev_private;
1442 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1443 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1444 u32 tmp;
1445
1446 if (!dig || !dig->afmt || !dig->afmt->pin)
1447 return;
1448
1449 tmp = RREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset);
1450 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT, dig->afmt->pin->id);
1451 WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, tmp);
1452 }
1453
1454 static void dce_v11_0_audio_write_latency_fields(struct drm_encoder *encoder,
1455 struct drm_display_mode *mode)
1456 {
1457 struct amdgpu_device *adev = encoder->dev->dev_private;
1458 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1459 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1460 struct drm_connector *connector;
1461 struct amdgpu_connector *amdgpu_connector = NULL;
1462 u32 tmp;
1463 int interlace = 0;
1464
1465 if (!dig || !dig->afmt || !dig->afmt->pin)
1466 return;
1467
1468 list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1469 if (connector->encoder == encoder) {
1470 amdgpu_connector = to_amdgpu_connector(connector);
1471 break;
1472 }
1473 }
1474
1475 if (!amdgpu_connector) {
1476 DRM_ERROR("Couldn't find encoder's connector\n");
1477 return;
1478 }
1479
1480 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1481 interlace = 1;
1482 if (connector->latency_present[interlace]) {
1483 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1484 VIDEO_LIPSYNC, connector->video_latency[interlace]);
1485 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1486 AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1487 } else {
1488 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1489 VIDEO_LIPSYNC, 0);
1490 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1491 AUDIO_LIPSYNC, 0);
1492 }
1493 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1494 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1495 }
1496
1497 static void dce_v11_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1498 {
1499 struct amdgpu_device *adev = encoder->dev->dev_private;
1500 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1501 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1502 struct drm_connector *connector;
1503 struct amdgpu_connector *amdgpu_connector = NULL;
1504 u32 tmp;
1505 u8 *sadb = NULL;
1506 int sad_count;
1507
1508 if (!dig || !dig->afmt || !dig->afmt->pin)
1509 return;
1510
1511 list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1512 if (connector->encoder == encoder) {
1513 amdgpu_connector = to_amdgpu_connector(connector);
1514 break;
1515 }
1516 }
1517
1518 if (!amdgpu_connector) {
1519 DRM_ERROR("Couldn't find encoder's connector\n");
1520 return;
1521 }
1522
1523 sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
1524 if (sad_count < 0) {
1525 DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1526 sad_count = 0;
1527 }
1528
1529 /* program the speaker allocation */
1530 tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1531 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1532 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1533 DP_CONNECTION, 0);
1534 /* set HDMI mode */
1535 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1536 HDMI_CONNECTION, 1);
1537 if (sad_count)
1538 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1539 SPEAKER_ALLOCATION, sadb[0]);
1540 else
1541 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1542 SPEAKER_ALLOCATION, 5); /* stereo */
1543 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1544 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1545
1546 kfree(sadb);
1547 }
1548
1549 static void dce_v11_0_audio_write_sad_regs(struct drm_encoder *encoder)
1550 {
1551 struct amdgpu_device *adev = encoder->dev->dev_private;
1552 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1553 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1554 struct drm_connector *connector;
1555 struct amdgpu_connector *amdgpu_connector = NULL;
1556 struct cea_sad *sads;
1557 int i, sad_count;
1558
1559 static const u16 eld_reg_to_type[][2] = {
1560 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1561 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1562 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1563 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1564 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1565 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1566 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1567 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1568 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1569 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1570 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1571 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1572 };
1573
1574 if (!dig || !dig->afmt || !dig->afmt->pin)
1575 return;
1576
1577 list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1578 if (connector->encoder == encoder) {
1579 amdgpu_connector = to_amdgpu_connector(connector);
1580 break;
1581 }
1582 }
1583
1584 if (!amdgpu_connector) {
1585 DRM_ERROR("Couldn't find encoder's connector\n");
1586 return;
1587 }
1588
1589 sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
1590 if (sad_count <= 0) {
1591 DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1592 return;
1593 }
1594 BUG_ON(!sads);
1595
1596 for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1597 u32 tmp = 0;
1598 u8 stereo_freqs = 0;
1599 int max_channels = -1;
1600 int j;
1601
1602 for (j = 0; j < sad_count; j++) {
1603 struct cea_sad *sad = &sads[j];
1604
1605 if (sad->format == eld_reg_to_type[i][1]) {
1606 if (sad->channels > max_channels) {
1607 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1608 MAX_CHANNELS, sad->channels);
1609 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1610 DESCRIPTOR_BYTE_2, sad->byte2);
1611 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1612 SUPPORTED_FREQUENCIES, sad->freq);
1613 max_channels = sad->channels;
1614 }
1615
1616 if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1617 stereo_freqs |= sad->freq;
1618 else
1619 break;
1620 }
1621 }
1622
1623 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1624 SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1625 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1626 }
1627
1628 kfree(sads);
1629 }
1630
1631 static void dce_v11_0_audio_enable(struct amdgpu_device *adev,
1632 struct amdgpu_audio_pin *pin,
1633 bool enable)
1634 {
1635 if (!pin)
1636 return;
1637
1638 WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1639 enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1640 }
1641
1642 static const u32 pin_offsets[] =
1643 {
1644 AUD0_REGISTER_OFFSET,
1645 AUD1_REGISTER_OFFSET,
1646 AUD2_REGISTER_OFFSET,
1647 AUD3_REGISTER_OFFSET,
1648 AUD4_REGISTER_OFFSET,
1649 AUD5_REGISTER_OFFSET,
1650 AUD6_REGISTER_OFFSET,
1651 AUD7_REGISTER_OFFSET,
1652 };
1653
1654 static int dce_v11_0_audio_init(struct amdgpu_device *adev)
1655 {
1656 int i;
1657
1658 if (!amdgpu_audio)
1659 return 0;
1660
1661 adev->mode_info.audio.enabled = true;
1662
1663 switch (adev->asic_type) {
1664 case CHIP_CARRIZO:
1665 case CHIP_STONEY:
1666 adev->mode_info.audio.num_pins = 7;
1667 break;
1668 case CHIP_POLARIS10:
1669 adev->mode_info.audio.num_pins = 8;
1670 break;
1671 case CHIP_POLARIS11:
1672 adev->mode_info.audio.num_pins = 6;
1673 break;
1674 default:
1675 return -EINVAL;
1676 }
1677
1678 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1679 adev->mode_info.audio.pin[i].channels = -1;
1680 adev->mode_info.audio.pin[i].rate = -1;
1681 adev->mode_info.audio.pin[i].bits_per_sample = -1;
1682 adev->mode_info.audio.pin[i].status_bits = 0;
1683 adev->mode_info.audio.pin[i].category_code = 0;
1684 adev->mode_info.audio.pin[i].connected = false;
1685 adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1686 adev->mode_info.audio.pin[i].id = i;
1687 /* disable audio. it will be set up later */
1688 /* XXX remove once we switch to ip funcs */
1689 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1690 }
1691
1692 return 0;
1693 }
1694
1695 static void dce_v11_0_audio_fini(struct amdgpu_device *adev)
1696 {
1697 int i;
1698
1699 if (!amdgpu_audio)
1700 return;
1701
1702 if (!adev->mode_info.audio.enabled)
1703 return;
1704
1705 for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1706 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1707
1708 adev->mode_info.audio.enabled = false;
1709 }
1710
1711 /*
1712 * update the N and CTS parameters for a given pixel clock rate
1713 */
1714 static void dce_v11_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock)
1715 {
1716 struct drm_device *dev = encoder->dev;
1717 struct amdgpu_device *adev = dev->dev_private;
1718 struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1719 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1720 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1721 u32 tmp;
1722
1723 tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1724 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1725 WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1726 tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1727 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1728 WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1729
1730 tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1731 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1732 WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1733 tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1734 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1735 WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1736
1737 tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1738 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1739 WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1740 tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1741 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1742 WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1743
1744 }
1745
1746 /*
1747 * build a HDMI Video Info Frame
1748 */
1749 static void dce_v11_0_afmt_update_avi_infoframe(struct drm_encoder *encoder,
1750 void *buffer, size_t size)
1751 {
1752 struct drm_device *dev = encoder->dev;
1753 struct amdgpu_device *adev = dev->dev_private;
1754 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1755 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1756 uint8_t *frame = buffer + 3;
1757 uint8_t *header = buffer;
1758
1759 WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1760 frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
1761 WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1762 frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
1763 WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1764 frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
1765 WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1766 frame[0xC] | (frame[0xD] << 8) | (header[1] << 24));
1767 }
1768
1769 static void dce_v11_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1770 {
1771 struct drm_device *dev = encoder->dev;
1772 struct amdgpu_device *adev = dev->dev_private;
1773 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1774 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1775 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1776 u32 dto_phase = 24 * 1000;
1777 u32 dto_modulo = clock;
1778 u32 tmp;
1779
1780 if (!dig || !dig->afmt)
1781 return;
1782
1783 /* XXX two dtos; generally use dto0 for hdmi */
1784 /* Express [24MHz / target pixel clock] as an exact rational
1785 * number (coefficient of two integer numbers. DCCG_AUDIO_DTOx_PHASE
1786 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1787 */
1788 tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1789 tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL,
1790 amdgpu_crtc->crtc_id);
1791 WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1792 WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase);
1793 WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo);
1794 }
1795
1796 /*
1797 * update the info frames with the data from the current display mode
1798 */
1799 static void dce_v11_0_afmt_setmode(struct drm_encoder *encoder,
1800 struct drm_display_mode *mode)
1801 {
1802 struct drm_device *dev = encoder->dev;
1803 struct amdgpu_device *adev = dev->dev_private;
1804 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1805 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1806 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1807 u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1808 struct hdmi_avi_infoframe frame;
1809 ssize_t err;
1810 u32 tmp;
1811 int bpc = 8;
1812
1813 if (!dig || !dig->afmt)
1814 return;
1815
1816 /* Silent, r600_hdmi_enable will raise WARN for us */
1817 if (!dig->afmt->enabled)
1818 return;
1819
1820 /* hdmi deep color mode general control packets setup, if bpc > 8 */
1821 if (encoder->crtc) {
1822 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1823 bpc = amdgpu_crtc->bpc;
1824 }
1825
1826 /* disable audio prior to setting up hw */
1827 dig->afmt->pin = dce_v11_0_audio_get_pin(adev);
1828 dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1829
1830 dce_v11_0_audio_set_dto(encoder, mode->clock);
1831
1832 tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1833 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1834 WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); /* send null packets when required */
1835
1836 WREG32(mmAFMT_AUDIO_CRC_CONTROL + dig->afmt->offset, 0x1000);
1837
1838 tmp = RREG32(mmHDMI_CONTROL + dig->afmt->offset);
1839 switch (bpc) {
1840 case 0:
1841 case 6:
1842 case 8:
1843 case 16:
1844 default:
1845 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 0);
1846 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0);
1847 DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n",
1848 connector->name, bpc);
1849 break;
1850 case 10:
1851 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1852 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 1);
1853 DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n",
1854 connector->name);
1855 break;
1856 case 12:
1857 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1858 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 2);
1859 DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n",
1860 connector->name);
1861 break;
1862 }
1863 WREG32(mmHDMI_CONTROL + dig->afmt->offset, tmp);
1864
1865 tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1866 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); /* send null packets when required */
1867 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1); /* send general control packets */
1868 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1); /* send general control packets every frame */
1869 WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1870
1871 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1872 /* enable audio info frames (frames won't be set until audio is enabled) */
1873 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1874 /* required for audio info values to be updated */
1875 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1876 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1877
1878 tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1879 /* required for audio info values to be updated */
1880 tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1881 WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1882
1883 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1884 /* anything other than 0 */
1885 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE, 2);
1886 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1887
1888 WREG32(mmHDMI_GC + dig->afmt->offset, 0); /* unset HDMI_GC_AVMUTE */
1889
1890 tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1891 /* set the default audio delay */
1892 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1893 /* should be suffient for all audio modes and small enough for all hblanks */
1894 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1895 WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1896
1897 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1898 /* allow 60958 channel status fields to be updated */
1899 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1900 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1901
1902 tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1903 if (bpc > 8)
1904 /* clear SW CTS value */
1905 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 0);
1906 else
1907 /* select SW CTS value */
1908 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 1);
1909 /* allow hw to sent ACR packets when required */
1910 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1911 WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1912
1913 dce_v11_0_afmt_update_ACR(encoder, mode->clock);
1914
1915 tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1916 tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1917 WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1918
1919 tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1920 tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1921 WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1922
1923 tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1924 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1925 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1926 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1927 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1928 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1929 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1930 WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1931
1932 dce_v11_0_audio_write_speaker_allocation(encoder);
1933
1934 WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset,
1935 (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT));
1936
1937 dce_v11_0_afmt_audio_select_pin(encoder);
1938 dce_v11_0_audio_write_sad_regs(encoder);
1939 dce_v11_0_audio_write_latency_fields(encoder, mode);
1940
1941 err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode);
1942 if (err < 0) {
1943 DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1944 return;
1945 }
1946
1947 err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1948 if (err < 0) {
1949 DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1950 return;
1951 }
1952
1953 dce_v11_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer));
1954
1955 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1956 /* enable AVI info frames */
1957 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1958 /* required for audio info values to be updated */
1959 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1960 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1961
1962 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1963 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1964 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1965
1966 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1967 /* send audio packets */
1968 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1969 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1970
1971 WREG32(mmAFMT_RAMP_CONTROL0 + dig->afmt->offset, 0x00FFFFFF);
1972 WREG32(mmAFMT_RAMP_CONTROL1 + dig->afmt->offset, 0x007FFFFF);
1973 WREG32(mmAFMT_RAMP_CONTROL2 + dig->afmt->offset, 0x00000001);
1974 WREG32(mmAFMT_RAMP_CONTROL3 + dig->afmt->offset, 0x00000001);
1975
1976 /* enable audio after to setting up hw */
1977 dce_v11_0_audio_enable(adev, dig->afmt->pin, true);
1978 }
1979
1980 static void dce_v11_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1981 {
1982 struct drm_device *dev = encoder->dev;
1983 struct amdgpu_device *adev = dev->dev_private;
1984 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1985 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1986
1987 if (!dig || !dig->afmt)
1988 return;
1989
1990 /* Silent, r600_hdmi_enable will raise WARN for us */
1991 if (enable && dig->afmt->enabled)
1992 return;
1993 if (!enable && !dig->afmt->enabled)
1994 return;
1995
1996 if (!enable && dig->afmt->pin) {
1997 dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1998 dig->afmt->pin = NULL;
1999 }
2000
2001 dig->afmt->enabled = enable;
2002
2003 DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
2004 enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
2005 }
2006
2007 static int dce_v11_0_afmt_init(struct amdgpu_device *adev)
2008 {
2009 int i;
2010
2011 for (i = 0; i < adev->mode_info.num_dig; i++)
2012 adev->mode_info.afmt[i] = NULL;
2013
2014 /* DCE11 has audio blocks tied to DIG encoders */
2015 for (i = 0; i < adev->mode_info.num_dig; i++) {
2016 adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
2017 if (adev->mode_info.afmt[i]) {
2018 adev->mode_info.afmt[i]->offset = dig_offsets[i];
2019 adev->mode_info.afmt[i]->id = i;
2020 } else {
2021 int j;
2022 for (j = 0; j < i; j++) {
2023 kfree(adev->mode_info.afmt[j]);
2024 adev->mode_info.afmt[j] = NULL;
2025 }
2026 return -ENOMEM;
2027 }
2028 }
2029 return 0;
2030 }
2031
2032 static void dce_v11_0_afmt_fini(struct amdgpu_device *adev)
2033 {
2034 int i;
2035
2036 for (i = 0; i < adev->mode_info.num_dig; i++) {
2037 kfree(adev->mode_info.afmt[i]);
2038 adev->mode_info.afmt[i] = NULL;
2039 }
2040 }
2041
2042 static const u32 vga_control_regs[6] =
2043 {
2044 mmD1VGA_CONTROL,
2045 mmD2VGA_CONTROL,
2046 mmD3VGA_CONTROL,
2047 mmD4VGA_CONTROL,
2048 mmD5VGA_CONTROL,
2049 mmD6VGA_CONTROL,
2050 };
2051
2052 static void dce_v11_0_vga_enable(struct drm_crtc *crtc, bool enable)
2053 {
2054 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2055 struct drm_device *dev = crtc->dev;
2056 struct amdgpu_device *adev = dev->dev_private;
2057 u32 vga_control;
2058
2059 vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
2060 if (enable)
2061 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1);
2062 else
2063 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control);
2064 }
2065
2066 static void dce_v11_0_grph_enable(struct drm_crtc *crtc, bool enable)
2067 {
2068 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2069 struct drm_device *dev = crtc->dev;
2070 struct amdgpu_device *adev = dev->dev_private;
2071
2072 if (enable)
2073 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1);
2074 else
2075 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0);
2076 }
2077
2078 static int dce_v11_0_crtc_do_set_base(struct drm_crtc *crtc,
2079 struct drm_framebuffer *fb,
2080 int x, int y, int atomic)
2081 {
2082 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2083 struct drm_device *dev = crtc->dev;
2084 struct amdgpu_device *adev = dev->dev_private;
2085 struct amdgpu_framebuffer *amdgpu_fb;
2086 struct drm_framebuffer *target_fb;
2087 struct drm_gem_object *obj;
2088 struct amdgpu_bo *rbo;
2089 uint64_t fb_location, tiling_flags;
2090 uint32_t fb_format, fb_pitch_pixels;
2091 u32 fb_swap = REG_SET_FIELD(0, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, ENDIAN_NONE);
2092 u32 pipe_config;
2093 u32 tmp, viewport_w, viewport_h;
2094 int r;
2095 bool bypass_lut = false;
2096 char *format_name;
2097
2098 /* no fb bound */
2099 if (!atomic && !crtc->primary->fb) {
2100 DRM_DEBUG_KMS("No FB bound\n");
2101 return 0;
2102 }
2103
2104 if (atomic) {
2105 amdgpu_fb = to_amdgpu_framebuffer(fb);
2106 target_fb = fb;
2107 } else {
2108 amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb);
2109 target_fb = crtc->primary->fb;
2110 }
2111
2112 /* If atomic, assume fb object is pinned & idle & fenced and
2113 * just update base pointers
2114 */
2115 obj = amdgpu_fb->obj;
2116 rbo = gem_to_amdgpu_bo(obj);
2117 r = amdgpu_bo_reserve(rbo, false);
2118 if (unlikely(r != 0))
2119 return r;
2120
2121 if (atomic) {
2122 fb_location = amdgpu_bo_gpu_offset(rbo);
2123 } else {
2124 r = amdgpu_bo_pin(rbo, AMDGPU_GEM_DOMAIN_VRAM, &fb_location);
2125 if (unlikely(r != 0)) {
2126 amdgpu_bo_unreserve(rbo);
2127 return -EINVAL;
2128 }
2129 }
2130
2131 amdgpu_bo_get_tiling_flags(rbo, &tiling_flags);
2132 amdgpu_bo_unreserve(rbo);
2133
2134 pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
2135
2136 switch (target_fb->pixel_format) {
2137 case DRM_FORMAT_C8:
2138 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 0);
2139 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2140 break;
2141 case DRM_FORMAT_XRGB4444:
2142 case DRM_FORMAT_ARGB4444:
2143 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
2144 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 2);
2145 #ifdef __BIG_ENDIAN
2146 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2147 ENDIAN_8IN16);
2148 #endif
2149 break;
2150 case DRM_FORMAT_XRGB1555:
2151 case DRM_FORMAT_ARGB1555:
2152 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
2153 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2154 #ifdef __BIG_ENDIAN
2155 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2156 ENDIAN_8IN16);
2157 #endif
2158 break;
2159 case DRM_FORMAT_BGRX5551:
2160 case DRM_FORMAT_BGRA5551:
2161 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
2162 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 5);
2163 #ifdef __BIG_ENDIAN
2164 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2165 ENDIAN_8IN16);
2166 #endif
2167 break;
2168 case DRM_FORMAT_RGB565:
2169 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
2170 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
2171 #ifdef __BIG_ENDIAN
2172 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2173 ENDIAN_8IN16);
2174 #endif
2175 break;
2176 case DRM_FORMAT_XRGB8888:
2177 case DRM_FORMAT_ARGB8888:
2178 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2179 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2180 #ifdef __BIG_ENDIAN
2181 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2182 ENDIAN_8IN32);
2183 #endif
2184 break;
2185 case DRM_FORMAT_XRGB2101010:
2186 case DRM_FORMAT_ARGB2101010:
2187 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2188 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
2189 #ifdef __BIG_ENDIAN
2190 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2191 ENDIAN_8IN32);
2192 #endif
2193 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2194 bypass_lut = true;
2195 break;
2196 case DRM_FORMAT_BGRX1010102:
2197 case DRM_FORMAT_BGRA1010102:
2198 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2199 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 4);
2200 #ifdef __BIG_ENDIAN
2201 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2202 ENDIAN_8IN32);
2203 #endif
2204 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2205 bypass_lut = true;
2206 break;
2207 default:
2208 format_name = drm_get_format_name(target_fb->pixel_format);
2209 DRM_ERROR("Unsupported screen format %s\n", format_name);
2210 kfree(format_name);
2211 return -EINVAL;
2212 }
2213
2214 if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
2215 unsigned bankw, bankh, mtaspect, tile_split, num_banks;
2216
2217 bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
2218 bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
2219 mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
2220 tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
2221 num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
2222
2223 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_NUM_BANKS, num_banks);
2224 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2225 ARRAY_2D_TILED_THIN1);
2226 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_TILE_SPLIT,
2227 tile_split);
2228 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_WIDTH, bankw);
2229 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_HEIGHT, bankh);
2230 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MACRO_TILE_ASPECT,
2231 mtaspect);
2232 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MICRO_TILE_MODE,
2233 ADDR_SURF_MICRO_TILING_DISPLAY);
2234 } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
2235 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2236 ARRAY_1D_TILED_THIN1);
2237 }
2238
2239 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_PIPE_CONFIG,
2240 pipe_config);
2241
2242 dce_v11_0_vga_enable(crtc, false);
2243
2244 /* Make sure surface address is updated at vertical blank rather than
2245 * horizontal blank
2246 */
2247 tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
2248 tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
2249 GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0);
2250 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2251
2252 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2253 upper_32_bits(fb_location));
2254 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2255 upper_32_bits(fb_location));
2256 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2257 (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
2258 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2259 (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK);
2260 WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
2261 WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
2262
2263 /*
2264 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
2265 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
2266 * retain the full precision throughout the pipeline.
2267 */
2268 tmp = RREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset);
2269 if (bypass_lut)
2270 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 1);
2271 else
2272 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 0);
2273 WREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset, tmp);
2274
2275 if (bypass_lut)
2276 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
2277
2278 WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
2279 WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
2280 WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
2281 WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
2282 WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
2283 WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
2284
2285 fb_pitch_pixels = target_fb->pitches[0] / (target_fb->bits_per_pixel / 8);
2286 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
2287
2288 dce_v11_0_grph_enable(crtc, true);
2289
2290 WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2291 target_fb->height);
2292
2293 x &= ~3;
2294 y &= ~1;
2295 WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2296 (x << 16) | y);
2297 viewport_w = crtc->mode.hdisplay;
2298 viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2299 WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2300 (viewport_w << 16) | viewport_h);
2301
2302 /* set pageflip to happen anywhere in vblank interval */
2303 WREG32(mmCRTC_MASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
2304
2305 if (!atomic && fb && fb != crtc->primary->fb) {
2306 amdgpu_fb = to_amdgpu_framebuffer(fb);
2307 rbo = gem_to_amdgpu_bo(amdgpu_fb->obj);
2308 r = amdgpu_bo_reserve(rbo, false);
2309 if (unlikely(r != 0))
2310 return r;
2311 amdgpu_bo_unpin(rbo);
2312 amdgpu_bo_unreserve(rbo);
2313 }
2314
2315 /* Bytes per pixel may have changed */
2316 dce_v11_0_bandwidth_update(adev);
2317
2318 return 0;
2319 }
2320
2321 static void dce_v11_0_set_interleave(struct drm_crtc *crtc,
2322 struct drm_display_mode *mode)
2323 {
2324 struct drm_device *dev = crtc->dev;
2325 struct amdgpu_device *adev = dev->dev_private;
2326 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2327 u32 tmp;
2328
2329 tmp = RREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset);
2330 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2331 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 1);
2332 else
2333 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 0);
2334 WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, tmp);
2335 }
2336
2337 static void dce_v11_0_crtc_load_lut(struct drm_crtc *crtc)
2338 {
2339 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2340 struct drm_device *dev = crtc->dev;
2341 struct amdgpu_device *adev = dev->dev_private;
2342 int i;
2343 u32 tmp;
2344
2345 DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2346
2347 tmp = RREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2348 tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_GRPH_MODE, 0);
2349 WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2350
2351 tmp = RREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset);
2352 tmp = REG_SET_FIELD(tmp, PRESCALE_GRPH_CONTROL, GRPH_PRESCALE_BYPASS, 1);
2353 WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2354
2355 tmp = RREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2356 tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, GRPH_INPUT_GAMMA_MODE, 0);
2357 WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2358
2359 WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2360
2361 WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2362 WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2363 WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2364
2365 WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2366 WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2367 WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2368
2369 WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2370 WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2371
2372 WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2373 for (i = 0; i < 256; i++) {
2374 WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2375 (amdgpu_crtc->lut_r[i] << 20) |
2376 (amdgpu_crtc->lut_g[i] << 10) |
2377 (amdgpu_crtc->lut_b[i] << 0));
2378 }
2379
2380 tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2381 tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, GRPH_DEGAMMA_MODE, 0);
2382 tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR_DEGAMMA_MODE, 0);
2383 tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR2_DEGAMMA_MODE, 0);
2384 WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2385
2386 tmp = RREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset);
2387 tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, GRPH_GAMUT_REMAP_MODE, 0);
2388 WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2389
2390 tmp = RREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2391 tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, GRPH_REGAMMA_MODE, 0);
2392 WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2393
2394 tmp = RREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2395 tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_GRPH_MODE, 0);
2396 WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2397
2398 /* XXX match this to the depth of the crtc fmt block, move to modeset? */
2399 WREG32(mmDENORM_CONTROL + amdgpu_crtc->crtc_offset, 0);
2400 /* XXX this only needs to be programmed once per crtc at startup,
2401 * not sure where the best place for it is
2402 */
2403 tmp = RREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset);
2404 tmp = REG_SET_FIELD(tmp, ALPHA_CONTROL, CURSOR_ALPHA_BLND_ENA, 1);
2405 WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2406 }
2407
2408 static int dce_v11_0_pick_dig_encoder(struct drm_encoder *encoder)
2409 {
2410 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2411 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2412
2413 switch (amdgpu_encoder->encoder_id) {
2414 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2415 if (dig->linkb)
2416 return 1;
2417 else
2418 return 0;
2419 break;
2420 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2421 if (dig->linkb)
2422 return 3;
2423 else
2424 return 2;
2425 break;
2426 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2427 if (dig->linkb)
2428 return 5;
2429 else
2430 return 4;
2431 break;
2432 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2433 return 6;
2434 break;
2435 default:
2436 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2437 return 0;
2438 }
2439 }
2440
2441 /**
2442 * dce_v11_0_pick_pll - Allocate a PPLL for use by the crtc.
2443 *
2444 * @crtc: drm crtc
2445 *
2446 * Returns the PPLL (Pixel PLL) to be used by the crtc. For DP monitors
2447 * a single PPLL can be used for all DP crtcs/encoders. For non-DP
2448 * monitors a dedicated PPLL must be used. If a particular board has
2449 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2450 * as there is no need to program the PLL itself. If we are not able to
2451 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2452 * avoid messing up an existing monitor.
2453 *
2454 * Asic specific PLL information
2455 *
2456 * DCE 10.x
2457 * Tonga
2458 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP)
2459 * CI
2460 * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
2461 *
2462 */
2463 static u32 dce_v11_0_pick_pll(struct drm_crtc *crtc)
2464 {
2465 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2466 struct drm_device *dev = crtc->dev;
2467 struct amdgpu_device *adev = dev->dev_private;
2468 u32 pll_in_use;
2469 int pll;
2470
2471 if ((adev->asic_type == CHIP_POLARIS10) ||
2472 (adev->asic_type == CHIP_POLARIS11)) {
2473 struct amdgpu_encoder *amdgpu_encoder =
2474 to_amdgpu_encoder(amdgpu_crtc->encoder);
2475 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2476
2477 if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2478 return ATOM_DP_DTO;
2479
2480 switch (amdgpu_encoder->encoder_id) {
2481 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2482 if (dig->linkb)
2483 return ATOM_COMBOPHY_PLL1;
2484 else
2485 return ATOM_COMBOPHY_PLL0;
2486 break;
2487 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2488 if (dig->linkb)
2489 return ATOM_COMBOPHY_PLL3;
2490 else
2491 return ATOM_COMBOPHY_PLL2;
2492 break;
2493 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2494 if (dig->linkb)
2495 return ATOM_COMBOPHY_PLL5;
2496 else
2497 return ATOM_COMBOPHY_PLL4;
2498 break;
2499 default:
2500 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2501 return ATOM_PPLL_INVALID;
2502 }
2503 }
2504
2505 if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2506 if (adev->clock.dp_extclk)
2507 /* skip PPLL programming if using ext clock */
2508 return ATOM_PPLL_INVALID;
2509 else {
2510 /* use the same PPLL for all DP monitors */
2511 pll = amdgpu_pll_get_shared_dp_ppll(crtc);
2512 if (pll != ATOM_PPLL_INVALID)
2513 return pll;
2514 }
2515 } else {
2516 /* use the same PPLL for all monitors with the same clock */
2517 pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2518 if (pll != ATOM_PPLL_INVALID)
2519 return pll;
2520 }
2521
2522 /* XXX need to determine what plls are available on each DCE11 part */
2523 pll_in_use = amdgpu_pll_get_use_mask(crtc);
2524 if (adev->asic_type == CHIP_CARRIZO || adev->asic_type == CHIP_STONEY) {
2525 if (!(pll_in_use & (1 << ATOM_PPLL1)))
2526 return ATOM_PPLL1;
2527 if (!(pll_in_use & (1 << ATOM_PPLL0)))
2528 return ATOM_PPLL0;
2529 DRM_ERROR("unable to allocate a PPLL\n");
2530 return ATOM_PPLL_INVALID;
2531 } else {
2532 if (!(pll_in_use & (1 << ATOM_PPLL2)))
2533 return ATOM_PPLL2;
2534 if (!(pll_in_use & (1 << ATOM_PPLL1)))
2535 return ATOM_PPLL1;
2536 if (!(pll_in_use & (1 << ATOM_PPLL0)))
2537 return ATOM_PPLL0;
2538 DRM_ERROR("unable to allocate a PPLL\n");
2539 return ATOM_PPLL_INVALID;
2540 }
2541 return ATOM_PPLL_INVALID;
2542 }
2543
2544 static void dce_v11_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2545 {
2546 struct amdgpu_device *adev = crtc->dev->dev_private;
2547 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2548 uint32_t cur_lock;
2549
2550 cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2551 if (lock)
2552 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 1);
2553 else
2554 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 0);
2555 WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2556 }
2557
2558 static void dce_v11_0_hide_cursor(struct drm_crtc *crtc)
2559 {
2560 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2561 struct amdgpu_device *adev = crtc->dev->dev_private;
2562 u32 tmp;
2563
2564 tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2565 tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0);
2566 WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2567 }
2568
2569 static void dce_v11_0_show_cursor(struct drm_crtc *crtc)
2570 {
2571 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2572 struct amdgpu_device *adev = crtc->dev->dev_private;
2573 u32 tmp;
2574
2575 WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2576 upper_32_bits(amdgpu_crtc->cursor_addr));
2577 WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2578 lower_32_bits(amdgpu_crtc->cursor_addr));
2579
2580 tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2581 tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1);
2582 tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2);
2583 WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2584 }
2585
2586 static int dce_v11_0_cursor_move_locked(struct drm_crtc *crtc,
2587 int x, int y)
2588 {
2589 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2590 struct amdgpu_device *adev = crtc->dev->dev_private;
2591 int xorigin = 0, yorigin = 0;
2592
2593 /* avivo cursor are offset into the total surface */
2594 x += crtc->x;
2595 y += crtc->y;
2596 DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2597
2598 if (x < 0) {
2599 xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2600 x = 0;
2601 }
2602 if (y < 0) {
2603 yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2604 y = 0;
2605 }
2606
2607 WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2608 WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2609 WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2610 ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2611
2612 amdgpu_crtc->cursor_x = x;
2613 amdgpu_crtc->cursor_y = y;
2614
2615 return 0;
2616 }
2617
2618 static int dce_v11_0_crtc_cursor_move(struct drm_crtc *crtc,
2619 int x, int y)
2620 {
2621 int ret;
2622
2623 dce_v11_0_lock_cursor(crtc, true);
2624 ret = dce_v11_0_cursor_move_locked(crtc, x, y);
2625 dce_v11_0_lock_cursor(crtc, false);
2626
2627 return ret;
2628 }
2629
2630 static int dce_v11_0_crtc_cursor_set2(struct drm_crtc *crtc,
2631 struct drm_file *file_priv,
2632 uint32_t handle,
2633 uint32_t width,
2634 uint32_t height,
2635 int32_t hot_x,
2636 int32_t hot_y)
2637 {
2638 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2639 struct drm_gem_object *obj;
2640 struct amdgpu_bo *aobj;
2641 int ret;
2642
2643 if (!handle) {
2644 /* turn off cursor */
2645 dce_v11_0_hide_cursor(crtc);
2646 obj = NULL;
2647 goto unpin;
2648 }
2649
2650 if ((width > amdgpu_crtc->max_cursor_width) ||
2651 (height > amdgpu_crtc->max_cursor_height)) {
2652 DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2653 return -EINVAL;
2654 }
2655
2656 obj = drm_gem_object_lookup(file_priv, handle);
2657 if (!obj) {
2658 DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2659 return -ENOENT;
2660 }
2661
2662 aobj = gem_to_amdgpu_bo(obj);
2663 ret = amdgpu_bo_reserve(aobj, false);
2664 if (ret != 0) {
2665 drm_gem_object_unreference_unlocked(obj);
2666 return ret;
2667 }
2668
2669 ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM, &amdgpu_crtc->cursor_addr);
2670 amdgpu_bo_unreserve(aobj);
2671 if (ret) {
2672 DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2673 drm_gem_object_unreference_unlocked(obj);
2674 return ret;
2675 }
2676
2677 amdgpu_crtc->cursor_width = width;
2678 amdgpu_crtc->cursor_height = height;
2679
2680 dce_v11_0_lock_cursor(crtc, true);
2681
2682 if (hot_x != amdgpu_crtc->cursor_hot_x ||
2683 hot_y != amdgpu_crtc->cursor_hot_y) {
2684 int x, y;
2685
2686 x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2687 y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2688
2689 dce_v11_0_cursor_move_locked(crtc, x, y);
2690
2691 amdgpu_crtc->cursor_hot_x = hot_x;
2692 amdgpu_crtc->cursor_hot_y = hot_y;
2693 }
2694
2695 dce_v11_0_show_cursor(crtc);
2696 dce_v11_0_lock_cursor(crtc, false);
2697
2698 unpin:
2699 if (amdgpu_crtc->cursor_bo) {
2700 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2701 ret = amdgpu_bo_reserve(aobj, false);
2702 if (likely(ret == 0)) {
2703 amdgpu_bo_unpin(aobj);
2704 amdgpu_bo_unreserve(aobj);
2705 }
2706 drm_gem_object_unreference_unlocked(amdgpu_crtc->cursor_bo);
2707 }
2708
2709 amdgpu_crtc->cursor_bo = obj;
2710 return 0;
2711 }
2712
2713 static void dce_v11_0_cursor_reset(struct drm_crtc *crtc)
2714 {
2715 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2716
2717 if (amdgpu_crtc->cursor_bo) {
2718 dce_v11_0_lock_cursor(crtc, true);
2719
2720 dce_v11_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2721 amdgpu_crtc->cursor_y);
2722
2723 dce_v11_0_show_cursor(crtc);
2724
2725 dce_v11_0_lock_cursor(crtc, false);
2726 }
2727 }
2728
2729 static int dce_v11_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2730 u16 *blue, uint32_t size)
2731 {
2732 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2733 int i;
2734
2735 /* userspace palettes are always correct as is */
2736 for (i = 0; i < size; i++) {
2737 amdgpu_crtc->lut_r[i] = red[i] >> 6;
2738 amdgpu_crtc->lut_g[i] = green[i] >> 6;
2739 amdgpu_crtc->lut_b[i] = blue[i] >> 6;
2740 }
2741 dce_v11_0_crtc_load_lut(crtc);
2742
2743 return 0;
2744 }
2745
2746 static void dce_v11_0_crtc_destroy(struct drm_crtc *crtc)
2747 {
2748 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2749
2750 drm_crtc_cleanup(crtc);
2751 kfree(amdgpu_crtc);
2752 }
2753
2754 static const struct drm_crtc_funcs dce_v11_0_crtc_funcs = {
2755 .cursor_set2 = dce_v11_0_crtc_cursor_set2,
2756 .cursor_move = dce_v11_0_crtc_cursor_move,
2757 .gamma_set = dce_v11_0_crtc_gamma_set,
2758 .set_config = amdgpu_crtc_set_config,
2759 .destroy = dce_v11_0_crtc_destroy,
2760 .page_flip_target = amdgpu_crtc_page_flip_target,
2761 };
2762
2763 static void dce_v11_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2764 {
2765 struct drm_device *dev = crtc->dev;
2766 struct amdgpu_device *adev = dev->dev_private;
2767 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2768 unsigned type;
2769
2770 switch (mode) {
2771 case DRM_MODE_DPMS_ON:
2772 amdgpu_crtc->enabled = true;
2773 amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2774 dce_v11_0_vga_enable(crtc, true);
2775 amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2776 dce_v11_0_vga_enable(crtc, false);
2777 /* Make sure VBLANK and PFLIP interrupts are still enabled */
2778 type = amdgpu_crtc_idx_to_irq_type(adev, amdgpu_crtc->crtc_id);
2779 amdgpu_irq_update(adev, &adev->crtc_irq, type);
2780 amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2781 drm_crtc_vblank_on(crtc);
2782 dce_v11_0_crtc_load_lut(crtc);
2783 break;
2784 case DRM_MODE_DPMS_STANDBY:
2785 case DRM_MODE_DPMS_SUSPEND:
2786 case DRM_MODE_DPMS_OFF:
2787 drm_crtc_vblank_off(crtc);
2788 if (amdgpu_crtc->enabled) {
2789 dce_v11_0_vga_enable(crtc, true);
2790 amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2791 dce_v11_0_vga_enable(crtc, false);
2792 }
2793 amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2794 amdgpu_crtc->enabled = false;
2795 break;
2796 }
2797 /* adjust pm to dpms */
2798 amdgpu_pm_compute_clocks(adev);
2799 }
2800
2801 static void dce_v11_0_crtc_prepare(struct drm_crtc *crtc)
2802 {
2803 /* disable crtc pair power gating before programming */
2804 amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2805 amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2806 dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2807 }
2808
2809 static void dce_v11_0_crtc_commit(struct drm_crtc *crtc)
2810 {
2811 dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2812 amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2813 }
2814
2815 static void dce_v11_0_crtc_disable(struct drm_crtc *crtc)
2816 {
2817 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2818 struct drm_device *dev = crtc->dev;
2819 struct amdgpu_device *adev = dev->dev_private;
2820 struct amdgpu_atom_ss ss;
2821 int i;
2822
2823 dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2824 if (crtc->primary->fb) {
2825 int r;
2826 struct amdgpu_framebuffer *amdgpu_fb;
2827 struct amdgpu_bo *rbo;
2828
2829 amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb);
2830 rbo = gem_to_amdgpu_bo(amdgpu_fb->obj);
2831 r = amdgpu_bo_reserve(rbo, false);
2832 if (unlikely(r))
2833 DRM_ERROR("failed to reserve rbo before unpin\n");
2834 else {
2835 amdgpu_bo_unpin(rbo);
2836 amdgpu_bo_unreserve(rbo);
2837 }
2838 }
2839 /* disable the GRPH */
2840 dce_v11_0_grph_enable(crtc, false);
2841
2842 amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2843
2844 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2845 if (adev->mode_info.crtcs[i] &&
2846 adev->mode_info.crtcs[i]->enabled &&
2847 i != amdgpu_crtc->crtc_id &&
2848 amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2849 /* one other crtc is using this pll don't turn
2850 * off the pll
2851 */
2852 goto done;
2853 }
2854 }
2855
2856 switch (amdgpu_crtc->pll_id) {
2857 case ATOM_PPLL0:
2858 case ATOM_PPLL1:
2859 case ATOM_PPLL2:
2860 /* disable the ppll */
2861 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2862 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2863 break;
2864 case ATOM_COMBOPHY_PLL0:
2865 case ATOM_COMBOPHY_PLL1:
2866 case ATOM_COMBOPHY_PLL2:
2867 case ATOM_COMBOPHY_PLL3:
2868 case ATOM_COMBOPHY_PLL4:
2869 case ATOM_COMBOPHY_PLL5:
2870 /* disable the ppll */
2871 amdgpu_atombios_crtc_program_pll(crtc, ATOM_CRTC_INVALID, amdgpu_crtc->pll_id,
2872 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2873 break;
2874 default:
2875 break;
2876 }
2877 done:
2878 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2879 amdgpu_crtc->adjusted_clock = 0;
2880 amdgpu_crtc->encoder = NULL;
2881 amdgpu_crtc->connector = NULL;
2882 }
2883
2884 static int dce_v11_0_crtc_mode_set(struct drm_crtc *crtc,
2885 struct drm_display_mode *mode,
2886 struct drm_display_mode *adjusted_mode,
2887 int x, int y, struct drm_framebuffer *old_fb)
2888 {
2889 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2890 struct drm_device *dev = crtc->dev;
2891 struct amdgpu_device *adev = dev->dev_private;
2892
2893 if (!amdgpu_crtc->adjusted_clock)
2894 return -EINVAL;
2895
2896 if ((adev->asic_type == CHIP_POLARIS10) ||
2897 (adev->asic_type == CHIP_POLARIS11)) {
2898 struct amdgpu_encoder *amdgpu_encoder =
2899 to_amdgpu_encoder(amdgpu_crtc->encoder);
2900 int encoder_mode =
2901 amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder);
2902
2903 /* SetPixelClock calculates the plls and ss values now */
2904 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id,
2905 amdgpu_crtc->pll_id,
2906 encoder_mode, amdgpu_encoder->encoder_id,
2907 adjusted_mode->clock, 0, 0, 0, 0,
2908 amdgpu_crtc->bpc, amdgpu_crtc->ss_enabled, &amdgpu_crtc->ss);
2909 } else {
2910 amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2911 }
2912 amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2913 dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2914 amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2915 amdgpu_atombios_crtc_scaler_setup(crtc);
2916 dce_v11_0_cursor_reset(crtc);
2917 /* update the hw version fpr dpm */
2918 amdgpu_crtc->hw_mode = *adjusted_mode;
2919
2920 return 0;
2921 }
2922
2923 static bool dce_v11_0_crtc_mode_fixup(struct drm_crtc *crtc,
2924 const struct drm_display_mode *mode,
2925 struct drm_display_mode *adjusted_mode)
2926 {
2927 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2928 struct drm_device *dev = crtc->dev;
2929 struct drm_encoder *encoder;
2930
2931 /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2932 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2933 if (encoder->crtc == crtc) {
2934 amdgpu_crtc->encoder = encoder;
2935 amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2936 break;
2937 }
2938 }
2939 if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2940 amdgpu_crtc->encoder = NULL;
2941 amdgpu_crtc->connector = NULL;
2942 return false;
2943 }
2944 if (!amdgpu_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2945 return false;
2946 if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2947 return false;
2948 /* pick pll */
2949 amdgpu_crtc->pll_id = dce_v11_0_pick_pll(crtc);
2950 /* if we can't get a PPLL for a non-DP encoder, fail */
2951 if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2952 !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2953 return false;
2954
2955 return true;
2956 }
2957
2958 static int dce_v11_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2959 struct drm_framebuffer *old_fb)
2960 {
2961 return dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2962 }
2963
2964 static int dce_v11_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2965 struct drm_framebuffer *fb,
2966 int x, int y, enum mode_set_atomic state)
2967 {
2968 return dce_v11_0_crtc_do_set_base(crtc, fb, x, y, 1);
2969 }
2970
2971 static const struct drm_crtc_helper_funcs dce_v11_0_crtc_helper_funcs = {
2972 .dpms = dce_v11_0_crtc_dpms,
2973 .mode_fixup = dce_v11_0_crtc_mode_fixup,
2974 .mode_set = dce_v11_0_crtc_mode_set,
2975 .mode_set_base = dce_v11_0_crtc_set_base,
2976 .mode_set_base_atomic = dce_v11_0_crtc_set_base_atomic,
2977 .prepare = dce_v11_0_crtc_prepare,
2978 .commit = dce_v11_0_crtc_commit,
2979 .load_lut = dce_v11_0_crtc_load_lut,
2980 .disable = dce_v11_0_crtc_disable,
2981 };
2982
2983 static int dce_v11_0_crtc_init(struct amdgpu_device *adev, int index)
2984 {
2985 struct amdgpu_crtc *amdgpu_crtc;
2986 int i;
2987
2988 amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2989 (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2990 if (amdgpu_crtc == NULL)
2991 return -ENOMEM;
2992
2993 drm_crtc_init(adev->ddev, &amdgpu_crtc->base, &dce_v11_0_crtc_funcs);
2994
2995 drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2996 amdgpu_crtc->crtc_id = index;
2997 adev->mode_info.crtcs[index] = amdgpu_crtc;
2998
2999 amdgpu_crtc->max_cursor_width = 128;
3000 amdgpu_crtc->max_cursor_height = 128;
3001 adev->ddev->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
3002 adev->ddev->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
3003
3004 for (i = 0; i < 256; i++) {
3005 amdgpu_crtc->lut_r[i] = i << 2;
3006 amdgpu_crtc->lut_g[i] = i << 2;
3007 amdgpu_crtc->lut_b[i] = i << 2;
3008 }
3009
3010 switch (amdgpu_crtc->crtc_id) {
3011 case 0:
3012 default:
3013 amdgpu_crtc->crtc_offset = CRTC0_REGISTER_OFFSET;
3014 break;
3015 case 1:
3016 amdgpu_crtc->crtc_offset = CRTC1_REGISTER_OFFSET;
3017 break;
3018 case 2:
3019 amdgpu_crtc->crtc_offset = CRTC2_REGISTER_OFFSET;
3020 break;
3021 case 3:
3022 amdgpu_crtc->crtc_offset = CRTC3_REGISTER_OFFSET;
3023 break;
3024 case 4:
3025 amdgpu_crtc->crtc_offset = CRTC4_REGISTER_OFFSET;
3026 break;
3027 case 5:
3028 amdgpu_crtc->crtc_offset = CRTC5_REGISTER_OFFSET;
3029 break;
3030 }
3031
3032 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
3033 amdgpu_crtc->adjusted_clock = 0;
3034 amdgpu_crtc->encoder = NULL;
3035 amdgpu_crtc->connector = NULL;
3036 drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v11_0_crtc_helper_funcs);
3037
3038 return 0;
3039 }
3040
3041 static int dce_v11_0_early_init(void *handle)
3042 {
3043 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3044
3045 adev->audio_endpt_rreg = &dce_v11_0_audio_endpt_rreg;
3046 adev->audio_endpt_wreg = &dce_v11_0_audio_endpt_wreg;
3047
3048 dce_v11_0_set_display_funcs(adev);
3049 dce_v11_0_set_irq_funcs(adev);
3050
3051 adev->mode_info.num_crtc = dce_v11_0_get_num_crtc(adev);
3052
3053 switch (adev->asic_type) {
3054 case CHIP_CARRIZO:
3055 adev->mode_info.num_hpd = 6;
3056 adev->mode_info.num_dig = 9;
3057 break;
3058 case CHIP_STONEY:
3059 adev->mode_info.num_hpd = 6;
3060 adev->mode_info.num_dig = 9;
3061 break;
3062 case CHIP_POLARIS10:
3063 adev->mode_info.num_hpd = 6;
3064 adev->mode_info.num_dig = 6;
3065 break;
3066 case CHIP_POLARIS11:
3067 adev->mode_info.num_hpd = 5;
3068 adev->mode_info.num_dig = 5;
3069 break;
3070 default:
3071 /* FIXME: not supported yet */
3072 return -EINVAL;
3073 }
3074
3075 return 0;
3076 }
3077
3078 static int dce_v11_0_sw_init(void *handle)
3079 {
3080 int r, i;
3081 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3082
3083 for (i = 0; i < adev->mode_info.num_crtc; i++) {
3084 r = amdgpu_irq_add_id(adev, i + 1, &adev->crtc_irq);
3085 if (r)
3086 return r;
3087 }
3088
3089 for (i = 8; i < 20; i += 2) {
3090 r = amdgpu_irq_add_id(adev, i, &adev->pageflip_irq);
3091 if (r)
3092 return r;
3093 }
3094
3095 /* HPD hotplug */
3096 r = amdgpu_irq_add_id(adev, 42, &adev->hpd_irq);
3097 if (r)
3098 return r;
3099
3100 adev->ddev->mode_config.funcs = &amdgpu_mode_funcs;
3101
3102 adev->ddev->mode_config.async_page_flip = true;
3103
3104 adev->ddev->mode_config.max_width = 16384;
3105 adev->ddev->mode_config.max_height = 16384;
3106
3107 adev->ddev->mode_config.preferred_depth = 24;
3108 adev->ddev->mode_config.prefer_shadow = 1;
3109
3110 adev->ddev->mode_config.fb_base = adev->mc.aper_base;
3111
3112 r = amdgpu_modeset_create_props(adev);
3113 if (r)
3114 return r;
3115
3116 adev->ddev->mode_config.max_width = 16384;
3117 adev->ddev->mode_config.max_height = 16384;
3118
3119
3120 /* allocate crtcs */
3121 for (i = 0; i < adev->mode_info.num_crtc; i++) {
3122 r = dce_v11_0_crtc_init(adev, i);
3123 if (r)
3124 return r;
3125 }
3126
3127 if (amdgpu_atombios_get_connector_info_from_object_table(adev))
3128 amdgpu_print_display_setup(adev->ddev);
3129 else
3130 return -EINVAL;
3131
3132 /* setup afmt */
3133 r = dce_v11_0_afmt_init(adev);
3134 if (r)
3135 return r;
3136
3137 r = dce_v11_0_audio_init(adev);
3138 if (r)
3139 return r;
3140
3141 drm_kms_helper_poll_init(adev->ddev);
3142
3143 adev->mode_info.mode_config_initialized = true;
3144 return 0;
3145 }
3146
3147 static int dce_v11_0_sw_fini(void *handle)
3148 {
3149 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3150
3151 kfree(adev->mode_info.bios_hardcoded_edid);
3152
3153 drm_kms_helper_poll_fini(adev->ddev);
3154
3155 dce_v11_0_audio_fini(adev);
3156
3157 dce_v11_0_afmt_fini(adev);
3158
3159 adev->mode_info.mode_config_initialized = false;
3160
3161 return 0;
3162 }
3163
3164 static int dce_v11_0_hw_init(void *handle)
3165 {
3166 int i;
3167 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3168
3169 dce_v11_0_init_golden_registers(adev);
3170
3171 /* init dig PHYs, disp eng pll */
3172 amdgpu_atombios_crtc_powergate_init(adev);
3173 amdgpu_atombios_encoder_init_dig(adev);
3174 if ((adev->asic_type == CHIP_POLARIS10) ||
3175 (adev->asic_type == CHIP_POLARIS11)) {
3176 amdgpu_atombios_crtc_set_dce_clock(adev, adev->clock.default_dispclk,
3177 DCE_CLOCK_TYPE_DISPCLK, ATOM_GCK_DFS);
3178 amdgpu_atombios_crtc_set_dce_clock(adev, 0,
3179 DCE_CLOCK_TYPE_DPREFCLK, ATOM_GCK_DFS);
3180 } else {
3181 amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
3182 }
3183
3184 /* initialize hpd */
3185 dce_v11_0_hpd_init(adev);
3186
3187 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3188 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3189 }
3190
3191 dce_v11_0_pageflip_interrupt_init(adev);
3192
3193 return 0;
3194 }
3195
3196 static int dce_v11_0_hw_fini(void *handle)
3197 {
3198 int i;
3199 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3200
3201 dce_v11_0_hpd_fini(adev);
3202
3203 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3204 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3205 }
3206
3207 dce_v11_0_pageflip_interrupt_fini(adev);
3208
3209 return 0;
3210 }
3211
3212 static int dce_v11_0_suspend(void *handle)
3213 {
3214 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3215
3216 amdgpu_atombios_scratch_regs_save(adev);
3217
3218 return dce_v11_0_hw_fini(handle);
3219 }
3220
3221 static int dce_v11_0_resume(void *handle)
3222 {
3223 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3224 int ret;
3225
3226 ret = dce_v11_0_hw_init(handle);
3227
3228 amdgpu_atombios_scratch_regs_restore(adev);
3229
3230 /* turn on the BL */
3231 if (adev->mode_info.bl_encoder) {
3232 u8 bl_level = amdgpu_display_backlight_get_level(adev,
3233 adev->mode_info.bl_encoder);
3234 amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
3235 bl_level);
3236 }
3237
3238 return ret;
3239 }
3240
3241 static bool dce_v11_0_is_idle(void *handle)
3242 {
3243 return true;
3244 }
3245
3246 static int dce_v11_0_wait_for_idle(void *handle)
3247 {
3248 return 0;
3249 }
3250
3251 static int dce_v11_0_soft_reset(void *handle)
3252 {
3253 u32 srbm_soft_reset = 0, tmp;
3254 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3255
3256 if (dce_v11_0_is_display_hung(adev))
3257 srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK;
3258
3259 if (srbm_soft_reset) {
3260 tmp = RREG32(mmSRBM_SOFT_RESET);
3261 tmp |= srbm_soft_reset;
3262 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
3263 WREG32(mmSRBM_SOFT_RESET, tmp);
3264 tmp = RREG32(mmSRBM_SOFT_RESET);
3265
3266 udelay(50);
3267
3268 tmp &= ~srbm_soft_reset;
3269 WREG32(mmSRBM_SOFT_RESET, tmp);
3270 tmp = RREG32(mmSRBM_SOFT_RESET);
3271
3272 /* Wait a little for things to settle down */
3273 udelay(50);
3274 }
3275 return 0;
3276 }
3277
3278 static void dce_v11_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
3279 int crtc,
3280 enum amdgpu_interrupt_state state)
3281 {
3282 u32 lb_interrupt_mask;
3283
3284 if (crtc >= adev->mode_info.num_crtc) {
3285 DRM_DEBUG("invalid crtc %d\n", crtc);
3286 return;
3287 }
3288
3289 switch (state) {
3290 case AMDGPU_IRQ_STATE_DISABLE:
3291 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3292 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3293 VBLANK_INTERRUPT_MASK, 0);
3294 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3295 break;
3296 case AMDGPU_IRQ_STATE_ENABLE:
3297 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3298 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3299 VBLANK_INTERRUPT_MASK, 1);
3300 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3301 break;
3302 default:
3303 break;
3304 }
3305 }
3306
3307 static void dce_v11_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
3308 int crtc,
3309 enum amdgpu_interrupt_state state)
3310 {
3311 u32 lb_interrupt_mask;
3312
3313 if (crtc >= adev->mode_info.num_crtc) {
3314 DRM_DEBUG("invalid crtc %d\n", crtc);
3315 return;
3316 }
3317
3318 switch (state) {
3319 case AMDGPU_IRQ_STATE_DISABLE:
3320 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3321 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3322 VLINE_INTERRUPT_MASK, 0);
3323 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3324 break;
3325 case AMDGPU_IRQ_STATE_ENABLE:
3326 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3327 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3328 VLINE_INTERRUPT_MASK, 1);
3329 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3330 break;
3331 default:
3332 break;
3333 }
3334 }
3335
3336 static int dce_v11_0_set_hpd_irq_state(struct amdgpu_device *adev,
3337 struct amdgpu_irq_src *source,
3338 unsigned hpd,
3339 enum amdgpu_interrupt_state state)
3340 {
3341 u32 tmp;
3342
3343 if (hpd >= adev->mode_info.num_hpd) {
3344 DRM_DEBUG("invalid hdp %d\n", hpd);
3345 return 0;
3346 }
3347
3348 switch (state) {
3349 case AMDGPU_IRQ_STATE_DISABLE:
3350 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3351 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
3352 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3353 break;
3354 case AMDGPU_IRQ_STATE_ENABLE:
3355 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3356 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 1);
3357 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3358 break;
3359 default:
3360 break;
3361 }
3362
3363 return 0;
3364 }
3365
3366 static int dce_v11_0_set_crtc_irq_state(struct amdgpu_device *adev,
3367 struct amdgpu_irq_src *source,
3368 unsigned type,
3369 enum amdgpu_interrupt_state state)
3370 {
3371 switch (type) {
3372 case AMDGPU_CRTC_IRQ_VBLANK1:
3373 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 0, state);
3374 break;
3375 case AMDGPU_CRTC_IRQ_VBLANK2:
3376 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 1, state);
3377 break;
3378 case AMDGPU_CRTC_IRQ_VBLANK3:
3379 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 2, state);
3380 break;
3381 case AMDGPU_CRTC_IRQ_VBLANK4:
3382 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 3, state);
3383 break;
3384 case AMDGPU_CRTC_IRQ_VBLANK5:
3385 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 4, state);
3386 break;
3387 case AMDGPU_CRTC_IRQ_VBLANK6:
3388 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 5, state);
3389 break;
3390 case AMDGPU_CRTC_IRQ_VLINE1:
3391 dce_v11_0_set_crtc_vline_interrupt_state(adev, 0, state);
3392 break;
3393 case AMDGPU_CRTC_IRQ_VLINE2:
3394 dce_v11_0_set_crtc_vline_interrupt_state(adev, 1, state);
3395 break;
3396 case AMDGPU_CRTC_IRQ_VLINE3:
3397 dce_v11_0_set_crtc_vline_interrupt_state(adev, 2, state);
3398 break;
3399 case AMDGPU_CRTC_IRQ_VLINE4:
3400 dce_v11_0_set_crtc_vline_interrupt_state(adev, 3, state);
3401 break;
3402 case AMDGPU_CRTC_IRQ_VLINE5:
3403 dce_v11_0_set_crtc_vline_interrupt_state(adev, 4, state);
3404 break;
3405 case AMDGPU_CRTC_IRQ_VLINE6:
3406 dce_v11_0_set_crtc_vline_interrupt_state(adev, 5, state);
3407 break;
3408 default:
3409 break;
3410 }
3411 return 0;
3412 }
3413
3414 static int dce_v11_0_set_pageflip_irq_state(struct amdgpu_device *adev,
3415 struct amdgpu_irq_src *src,
3416 unsigned type,
3417 enum amdgpu_interrupt_state state)
3418 {
3419 u32 reg;
3420
3421 if (type >= adev->mode_info.num_crtc) {
3422 DRM_ERROR("invalid pageflip crtc %d\n", type);
3423 return -EINVAL;
3424 }
3425
3426 reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3427 if (state == AMDGPU_IRQ_STATE_DISABLE)
3428 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3429 reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3430 else
3431 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3432 reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3433
3434 return 0;
3435 }
3436
3437 static int dce_v11_0_pageflip_irq(struct amdgpu_device *adev,
3438 struct amdgpu_irq_src *source,
3439 struct amdgpu_iv_entry *entry)
3440 {
3441 unsigned long flags;
3442 unsigned crtc_id;
3443 struct amdgpu_crtc *amdgpu_crtc;
3444 struct amdgpu_flip_work *works;
3445
3446 crtc_id = (entry->src_id - 8) >> 1;
3447 amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3448
3449 if (crtc_id >= adev->mode_info.num_crtc) {
3450 DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3451 return -EINVAL;
3452 }
3453
3454 if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3455 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3456 WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3457 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3458
3459 /* IRQ could occur when in initial stage */
3460 if(amdgpu_crtc == NULL)
3461 return 0;
3462
3463 spin_lock_irqsave(&adev->ddev->event_lock, flags);
3464 works = amdgpu_crtc->pflip_works;
3465 if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
3466 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3467 "AMDGPU_FLIP_SUBMITTED(%d)\n",
3468 amdgpu_crtc->pflip_status,
3469 AMDGPU_FLIP_SUBMITTED);
3470 spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3471 return 0;
3472 }
3473
3474 /* page flip completed. clean up */
3475 amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3476 amdgpu_crtc->pflip_works = NULL;
3477
3478 /* wakeup usersapce */
3479 if(works->event)
3480 drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3481
3482 spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3483
3484 drm_crtc_vblank_put(&amdgpu_crtc->base);
3485 schedule_work(&works->unpin_work);
3486
3487 return 0;
3488 }
3489
3490 static void dce_v11_0_hpd_int_ack(struct amdgpu_device *adev,
3491 int hpd)
3492 {
3493 u32 tmp;
3494
3495 if (hpd >= adev->mode_info.num_hpd) {
3496 DRM_DEBUG("invalid hdp %d\n", hpd);
3497 return;
3498 }
3499
3500 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3501 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_ACK, 1);
3502 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3503 }
3504
3505 static void dce_v11_0_crtc_vblank_int_ack(struct amdgpu_device *adev,
3506 int crtc)
3507 {
3508 u32 tmp;
3509
3510 if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
3511 DRM_DEBUG("invalid crtc %d\n", crtc);
3512 return;
3513 }
3514
3515 tmp = RREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc]);
3516 tmp = REG_SET_FIELD(tmp, LB_VBLANK_STATUS, VBLANK_ACK, 1);
3517 WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], tmp);
3518 }
3519
3520 static void dce_v11_0_crtc_vline_int_ack(struct amdgpu_device *adev,
3521 int crtc)
3522 {
3523 u32 tmp;
3524
3525 if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
3526 DRM_DEBUG("invalid crtc %d\n", crtc);
3527 return;
3528 }
3529
3530 tmp = RREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc]);
3531 tmp = REG_SET_FIELD(tmp, LB_VLINE_STATUS, VLINE_ACK, 1);
3532 WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], tmp);
3533 }
3534
3535 static int dce_v11_0_crtc_irq(struct amdgpu_device *adev,
3536 struct amdgpu_irq_src *source,
3537 struct amdgpu_iv_entry *entry)
3538 {
3539 unsigned crtc = entry->src_id - 1;
3540 uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
3541 unsigned irq_type = amdgpu_crtc_idx_to_irq_type(adev, crtc);
3542
3543 switch (entry->src_data) {
3544 case 0: /* vblank */
3545 if (disp_int & interrupt_status_offsets[crtc].vblank)
3546 dce_v11_0_crtc_vblank_int_ack(adev, crtc);
3547 else
3548 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3549
3550 if (amdgpu_irq_enabled(adev, source, irq_type)) {
3551 drm_handle_vblank(adev->ddev, crtc);
3552 }
3553 DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3554
3555 break;
3556 case 1: /* vline */
3557 if (disp_int & interrupt_status_offsets[crtc].vline)
3558 dce_v11_0_crtc_vline_int_ack(adev, crtc);
3559 else
3560 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3561
3562 DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3563
3564 break;
3565 default:
3566 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data);
3567 break;
3568 }
3569
3570 return 0;
3571 }
3572
3573 static int dce_v11_0_hpd_irq(struct amdgpu_device *adev,
3574 struct amdgpu_irq_src *source,
3575 struct amdgpu_iv_entry *entry)
3576 {
3577 uint32_t disp_int, mask;
3578 unsigned hpd;
3579
3580 if (entry->src_data >= adev->mode_info.num_hpd) {
3581 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data);
3582 return 0;
3583 }
3584
3585 hpd = entry->src_data;
3586 disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3587 mask = interrupt_status_offsets[hpd].hpd;
3588
3589 if (disp_int & mask) {
3590 dce_v11_0_hpd_int_ack(adev, hpd);
3591 schedule_work(&adev->hotplug_work);
3592 DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3593 }
3594
3595 return 0;
3596 }
3597
3598 static int dce_v11_0_set_clockgating_state(void *handle,
3599 enum amd_clockgating_state state)
3600 {
3601 return 0;
3602 }
3603
3604 static int dce_v11_0_set_powergating_state(void *handle,
3605 enum amd_powergating_state state)
3606 {
3607 return 0;
3608 }
3609
3610 const struct amd_ip_funcs dce_v11_0_ip_funcs = {
3611 .name = "dce_v11_0",
3612 .early_init = dce_v11_0_early_init,
3613 .late_init = NULL,
3614 .sw_init = dce_v11_0_sw_init,
3615 .sw_fini = dce_v11_0_sw_fini,
3616 .hw_init = dce_v11_0_hw_init,
3617 .hw_fini = dce_v11_0_hw_fini,
3618 .suspend = dce_v11_0_suspend,
3619 .resume = dce_v11_0_resume,
3620 .is_idle = dce_v11_0_is_idle,
3621 .wait_for_idle = dce_v11_0_wait_for_idle,
3622 .soft_reset = dce_v11_0_soft_reset,
3623 .set_clockgating_state = dce_v11_0_set_clockgating_state,
3624 .set_powergating_state = dce_v11_0_set_powergating_state,
3625 };
3626
3627 static void
3628 dce_v11_0_encoder_mode_set(struct drm_encoder *encoder,
3629 struct drm_display_mode *mode,
3630 struct drm_display_mode *adjusted_mode)
3631 {
3632 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3633
3634 amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3635
3636 /* need to call this here rather than in prepare() since we need some crtc info */
3637 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3638
3639 /* set scaler clears this on some chips */
3640 dce_v11_0_set_interleave(encoder->crtc, mode);
3641
3642 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
3643 dce_v11_0_afmt_enable(encoder, true);
3644 dce_v11_0_afmt_setmode(encoder, adjusted_mode);
3645 }
3646 }
3647
3648 static void dce_v11_0_encoder_prepare(struct drm_encoder *encoder)
3649 {
3650 struct amdgpu_device *adev = encoder->dev->dev_private;
3651 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3652 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3653
3654 if ((amdgpu_encoder->active_device &
3655 (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3656 (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3657 ENCODER_OBJECT_ID_NONE)) {
3658 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3659 if (dig) {
3660 dig->dig_encoder = dce_v11_0_pick_dig_encoder(encoder);
3661 if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3662 dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3663 }
3664 }
3665
3666 amdgpu_atombios_scratch_regs_lock(adev, true);
3667
3668 if (connector) {
3669 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3670
3671 /* select the clock/data port if it uses a router */
3672 if (amdgpu_connector->router.cd_valid)
3673 amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3674
3675 /* turn eDP panel on for mode set */
3676 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3677 amdgpu_atombios_encoder_set_edp_panel_power(connector,
3678 ATOM_TRANSMITTER_ACTION_POWER_ON);
3679 }
3680
3681 /* this is needed for the pll/ss setup to work correctly in some cases */
3682 amdgpu_atombios_encoder_set_crtc_source(encoder);
3683 /* set up the FMT blocks */
3684 dce_v11_0_program_fmt(encoder);
3685 }
3686
3687 static void dce_v11_0_encoder_commit(struct drm_encoder *encoder)
3688 {
3689 struct drm_device *dev = encoder->dev;
3690 struct amdgpu_device *adev = dev->dev_private;
3691
3692 /* need to call this here as we need the crtc set up */
3693 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3694 amdgpu_atombios_scratch_regs_lock(adev, false);
3695 }
3696
3697 static void dce_v11_0_encoder_disable(struct drm_encoder *encoder)
3698 {
3699 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3700 struct amdgpu_encoder_atom_dig *dig;
3701
3702 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3703
3704 if (amdgpu_atombios_encoder_is_digital(encoder)) {
3705 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
3706 dce_v11_0_afmt_enable(encoder, false);
3707 dig = amdgpu_encoder->enc_priv;
3708 dig->dig_encoder = -1;
3709 }
3710 amdgpu_encoder->active_device = 0;
3711 }
3712
3713 /* these are handled by the primary encoders */
3714 static void dce_v11_0_ext_prepare(struct drm_encoder *encoder)
3715 {
3716
3717 }
3718
3719 static void dce_v11_0_ext_commit(struct drm_encoder *encoder)
3720 {
3721
3722 }
3723
3724 static void
3725 dce_v11_0_ext_mode_set(struct drm_encoder *encoder,
3726 struct drm_display_mode *mode,
3727 struct drm_display_mode *adjusted_mode)
3728 {
3729
3730 }
3731
3732 static void dce_v11_0_ext_disable(struct drm_encoder *encoder)
3733 {
3734
3735 }
3736
3737 static void
3738 dce_v11_0_ext_dpms(struct drm_encoder *encoder, int mode)
3739 {
3740
3741 }
3742
3743 static const struct drm_encoder_helper_funcs dce_v11_0_ext_helper_funcs = {
3744 .dpms = dce_v11_0_ext_dpms,
3745 .prepare = dce_v11_0_ext_prepare,
3746 .mode_set = dce_v11_0_ext_mode_set,
3747 .commit = dce_v11_0_ext_commit,
3748 .disable = dce_v11_0_ext_disable,
3749 /* no detect for TMDS/LVDS yet */
3750 };
3751
3752 static const struct drm_encoder_helper_funcs dce_v11_0_dig_helper_funcs = {
3753 .dpms = amdgpu_atombios_encoder_dpms,
3754 .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3755 .prepare = dce_v11_0_encoder_prepare,
3756 .mode_set = dce_v11_0_encoder_mode_set,
3757 .commit = dce_v11_0_encoder_commit,
3758 .disable = dce_v11_0_encoder_disable,
3759 .detect = amdgpu_atombios_encoder_dig_detect,
3760 };
3761
3762 static const struct drm_encoder_helper_funcs dce_v11_0_dac_helper_funcs = {
3763 .dpms = amdgpu_atombios_encoder_dpms,
3764 .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3765 .prepare = dce_v11_0_encoder_prepare,
3766 .mode_set = dce_v11_0_encoder_mode_set,
3767 .commit = dce_v11_0_encoder_commit,
3768 .detect = amdgpu_atombios_encoder_dac_detect,
3769 };
3770
3771 static void dce_v11_0_encoder_destroy(struct drm_encoder *encoder)
3772 {
3773 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3774 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3775 amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3776 kfree(amdgpu_encoder->enc_priv);
3777 drm_encoder_cleanup(encoder);
3778 kfree(amdgpu_encoder);
3779 }
3780
3781 static const struct drm_encoder_funcs dce_v11_0_encoder_funcs = {
3782 .destroy = dce_v11_0_encoder_destroy,
3783 };
3784
3785 static void dce_v11_0_encoder_add(struct amdgpu_device *adev,
3786 uint32_t encoder_enum,
3787 uint32_t supported_device,
3788 u16 caps)
3789 {
3790 struct drm_device *dev = adev->ddev;
3791 struct drm_encoder *encoder;
3792 struct amdgpu_encoder *amdgpu_encoder;
3793
3794 /* see if we already added it */
3795 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3796 amdgpu_encoder = to_amdgpu_encoder(encoder);
3797 if (amdgpu_encoder->encoder_enum == encoder_enum) {
3798 amdgpu_encoder->devices |= supported_device;
3799 return;
3800 }
3801
3802 }
3803
3804 /* add a new one */
3805 amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3806 if (!amdgpu_encoder)
3807 return;
3808
3809 encoder = &amdgpu_encoder->base;
3810 switch (adev->mode_info.num_crtc) {
3811 case 1:
3812 encoder->possible_crtcs = 0x1;
3813 break;
3814 case 2:
3815 default:
3816 encoder->possible_crtcs = 0x3;
3817 break;
3818 case 4:
3819 encoder->possible_crtcs = 0xf;
3820 break;
3821 case 6:
3822 encoder->possible_crtcs = 0x3f;
3823 break;
3824 }
3825
3826 amdgpu_encoder->enc_priv = NULL;
3827
3828 amdgpu_encoder->encoder_enum = encoder_enum;
3829 amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3830 amdgpu_encoder->devices = supported_device;
3831 amdgpu_encoder->rmx_type = RMX_OFF;
3832 amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3833 amdgpu_encoder->is_ext_encoder = false;
3834 amdgpu_encoder->caps = caps;
3835
3836 switch (amdgpu_encoder->encoder_id) {
3837 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3838 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3839 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3840 DRM_MODE_ENCODER_DAC, NULL);
3841 drm_encoder_helper_add(encoder, &dce_v11_0_dac_helper_funcs);
3842 break;
3843 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3844 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3845 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3846 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3847 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3848 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3849 amdgpu_encoder->rmx_type = RMX_FULL;
3850 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3851 DRM_MODE_ENCODER_LVDS, NULL);
3852 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3853 } else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3854 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3855 DRM_MODE_ENCODER_DAC, NULL);
3856 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3857 } else {
3858 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3859 DRM_MODE_ENCODER_TMDS, NULL);
3860 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3861 }
3862 drm_encoder_helper_add(encoder, &dce_v11_0_dig_helper_funcs);
3863 break;
3864 case ENCODER_OBJECT_ID_SI170B:
3865 case ENCODER_OBJECT_ID_CH7303:
3866 case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3867 case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3868 case ENCODER_OBJECT_ID_TITFP513:
3869 case ENCODER_OBJECT_ID_VT1623:
3870 case ENCODER_OBJECT_ID_HDMI_SI1930:
3871 case ENCODER_OBJECT_ID_TRAVIS:
3872 case ENCODER_OBJECT_ID_NUTMEG:
3873 /* these are handled by the primary encoders */
3874 amdgpu_encoder->is_ext_encoder = true;
3875 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3876 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3877 DRM_MODE_ENCODER_LVDS, NULL);
3878 else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3879 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3880 DRM_MODE_ENCODER_DAC, NULL);
3881 else
3882 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3883 DRM_MODE_ENCODER_TMDS, NULL);
3884 drm_encoder_helper_add(encoder, &dce_v11_0_ext_helper_funcs);
3885 break;
3886 }
3887 }
3888
3889 static const struct amdgpu_display_funcs dce_v11_0_display_funcs = {
3890 .set_vga_render_state = &dce_v11_0_set_vga_render_state,
3891 .bandwidth_update = &dce_v11_0_bandwidth_update,
3892 .vblank_get_counter = &dce_v11_0_vblank_get_counter,
3893 .vblank_wait = &dce_v11_0_vblank_wait,
3894 .is_display_hung = &dce_v11_0_is_display_hung,
3895 .backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3896 .backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3897 .hpd_sense = &dce_v11_0_hpd_sense,
3898 .hpd_set_polarity = &dce_v11_0_hpd_set_polarity,
3899 .hpd_get_gpio_reg = &dce_v11_0_hpd_get_gpio_reg,
3900 .page_flip = &dce_v11_0_page_flip,
3901 .page_flip_get_scanoutpos = &dce_v11_0_crtc_get_scanoutpos,
3902 .add_encoder = &dce_v11_0_encoder_add,
3903 .add_connector = &amdgpu_connector_add,
3904 .stop_mc_access = &dce_v11_0_stop_mc_access,
3905 .resume_mc_access = &dce_v11_0_resume_mc_access,
3906 };
3907
3908 static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev)
3909 {
3910 if (adev->mode_info.funcs == NULL)
3911 adev->mode_info.funcs = &dce_v11_0_display_funcs;
3912 }
3913
3914 static const struct amdgpu_irq_src_funcs dce_v11_0_crtc_irq_funcs = {
3915 .set = dce_v11_0_set_crtc_irq_state,
3916 .process = dce_v11_0_crtc_irq,
3917 };
3918
3919 static const struct amdgpu_irq_src_funcs dce_v11_0_pageflip_irq_funcs = {
3920 .set = dce_v11_0_set_pageflip_irq_state,
3921 .process = dce_v11_0_pageflip_irq,
3922 };
3923
3924 static const struct amdgpu_irq_src_funcs dce_v11_0_hpd_irq_funcs = {
3925 .set = dce_v11_0_set_hpd_irq_state,
3926 .process = dce_v11_0_hpd_irq,
3927 };
3928
3929 static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev)
3930 {
3931 adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_LAST;
3932 adev->crtc_irq.funcs = &dce_v11_0_crtc_irq_funcs;
3933
3934 adev->pageflip_irq.num_types = AMDGPU_PAGEFLIP_IRQ_LAST;
3935 adev->pageflip_irq.funcs = &dce_v11_0_pageflip_irq_funcs;
3936
3937 adev->hpd_irq.num_types = AMDGPU_HPD_LAST;
3938 adev->hpd_irq.funcs = &dce_v11_0_hpd_irq_funcs;
3939 }
Linux kernel - Deliverables
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