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[karo-tx-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 void dce_v11_0_init_golden_registers(struct amdgpu_device *adev)
130 {
131         switch (adev->asic_type) {
132         case CHIP_CARRIZO:
133                 amdgpu_program_register_sequence(adev,
134                                                  cz_mgcg_cgcg_init,
135                                                  (const u32)ARRAY_SIZE(cz_mgcg_cgcg_init));
136                 amdgpu_program_register_sequence(adev,
137                                                  cz_golden_settings_a11,
138                                                  (const u32)ARRAY_SIZE(cz_golden_settings_a11));
139                 break;
140         default:
141                 break;
142         }
143 }
144
145 static u32 dce_v11_0_audio_endpt_rreg(struct amdgpu_device *adev,
146                                      u32 block_offset, u32 reg)
147 {
148         unsigned long flags;
149         u32 r;
150
151         spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
152         WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
153         r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
154         spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
155
156         return r;
157 }
158
159 static void dce_v11_0_audio_endpt_wreg(struct amdgpu_device *adev,
160                                       u32 block_offset, u32 reg, u32 v)
161 {
162         unsigned long flags;
163
164         spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
165         WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
166         WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
167         spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
168 }
169
170 static bool dce_v11_0_is_in_vblank(struct amdgpu_device *adev, int crtc)
171 {
172         if (RREG32(mmCRTC_STATUS + crtc_offsets[crtc]) &
173                         CRTC_V_BLANK_START_END__CRTC_V_BLANK_START_MASK)
174                 return true;
175         else
176                 return false;
177 }
178
179 static bool dce_v11_0_is_counter_moving(struct amdgpu_device *adev, int crtc)
180 {
181         u32 pos1, pos2;
182
183         pos1 = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
184         pos2 = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
185
186         if (pos1 != pos2)
187                 return true;
188         else
189                 return false;
190 }
191
192 /**
193  * dce_v11_0_vblank_wait - vblank wait asic callback.
194  *
195  * @adev: amdgpu_device pointer
196  * @crtc: crtc to wait for vblank on
197  *
198  * Wait for vblank on the requested crtc (evergreen+).
199  */
200 static void dce_v11_0_vblank_wait(struct amdgpu_device *adev, int crtc)
201 {
202         unsigned i = 0;
203
204         if (crtc >= adev->mode_info.num_crtc)
205                 return;
206
207         if (!(RREG32(mmCRTC_CONTROL + crtc_offsets[crtc]) & CRTC_CONTROL__CRTC_MASTER_EN_MASK))
208                 return;
209
210         /* depending on when we hit vblank, we may be close to active; if so,
211          * wait for another frame.
212          */
213         while (dce_v11_0_is_in_vblank(adev, crtc)) {
214                 if (i++ % 100 == 0) {
215                         if (!dce_v11_0_is_counter_moving(adev, crtc))
216                                 break;
217                 }
218         }
219
220         while (!dce_v11_0_is_in_vblank(adev, crtc)) {
221                 if (i++ % 100 == 0) {
222                         if (!dce_v11_0_is_counter_moving(adev, crtc))
223                                 break;
224                 }
225         }
226 }
227
228 static u32 dce_v11_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
229 {
230         if (crtc >= adev->mode_info.num_crtc)
231                 return 0;
232         else
233                 return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
234 }
235
236 static void dce_v11_0_pageflip_interrupt_init(struct amdgpu_device *adev)
237 {
238         unsigned i;
239
240         /* Enable pflip interrupts */
241         for (i = 0; i < adev->mode_info.num_crtc; i++)
242                 amdgpu_irq_get(adev, &adev->pageflip_irq, i);
243 }
244
245 static void dce_v11_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
246 {
247         unsigned i;
248
249         /* Disable pflip interrupts */
250         for (i = 0; i < adev->mode_info.num_crtc; i++)
251                 amdgpu_irq_put(adev, &adev->pageflip_irq, i);
252 }
253
254 /**
255  * dce_v11_0_page_flip - pageflip callback.
256  *
257  * @adev: amdgpu_device pointer
258  * @crtc_id: crtc to cleanup pageflip on
259  * @crtc_base: new address of the crtc (GPU MC address)
260  *
261  * Does the actual pageflip (evergreen+).
262  * During vblank we take the crtc lock and wait for the update_pending
263  * bit to go high, when it does, we release the lock, and allow the
264  * double buffered update to take place.
265  * Returns the current update pending status.
266  */
267 static void dce_v11_0_page_flip(struct amdgpu_device *adev,
268                               int crtc_id, u64 crtc_base)
269 {
270         struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
271         u32 tmp = RREG32(mmGRPH_UPDATE + amdgpu_crtc->crtc_offset);
272         int i;
273
274         /* Lock the graphics update lock */
275         tmp = REG_SET_FIELD(tmp, GRPH_UPDATE, GRPH_UPDATE_LOCK, 1);
276         WREG32(mmGRPH_UPDATE + amdgpu_crtc->crtc_offset, tmp);
277
278         /* update the scanout addresses */
279         WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
280                upper_32_bits(crtc_base));
281         WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
282                lower_32_bits(crtc_base));
283
284         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
285                upper_32_bits(crtc_base));
286         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
287                lower_32_bits(crtc_base));
288
289         /* Wait for update_pending to go high. */
290         for (i = 0; i < adev->usec_timeout; i++) {
291                 if (RREG32(mmGRPH_UPDATE + amdgpu_crtc->crtc_offset) &
292                                 GRPH_UPDATE__GRPH_SURFACE_UPDATE_PENDING_MASK)
293                         break;
294                 udelay(1);
295         }
296         DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
297
298         /* Unlock the lock, so double-buffering can take place inside vblank */
299         tmp = REG_SET_FIELD(tmp, GRPH_UPDATE, GRPH_UPDATE_LOCK, 0);
300         WREG32(mmGRPH_UPDATE + amdgpu_crtc->crtc_offset, tmp);  
301 }
302
303 static int dce_v11_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
304                                         u32 *vbl, u32 *position)
305 {
306         if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
307                 return -EINVAL;
308
309         *vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
310         *position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
311
312         return 0;
313 }
314
315 /**
316  * dce_v11_0_hpd_sense - hpd sense callback.
317  *
318  * @adev: amdgpu_device pointer
319  * @hpd: hpd (hotplug detect) pin
320  *
321  * Checks if a digital monitor is connected (evergreen+).
322  * Returns true if connected, false if not connected.
323  */
324 static bool dce_v11_0_hpd_sense(struct amdgpu_device *adev,
325                                enum amdgpu_hpd_id hpd)
326 {
327         int idx;
328         bool connected = false;
329
330         switch (hpd) {
331         case AMDGPU_HPD_1:
332                 idx = 0;
333                 break;
334         case AMDGPU_HPD_2:
335                 idx = 1;
336                 break;
337         case AMDGPU_HPD_3:
338                 idx = 2;
339                 break;
340         case AMDGPU_HPD_4:
341                 idx = 3;
342                 break;
343         case AMDGPU_HPD_5:
344                 idx = 4;
345                 break;
346         case AMDGPU_HPD_6:
347                 idx = 5;
348                 break;
349         default:
350                 return connected;
351         }
352
353         if (RREG32(mmDC_HPD_INT_STATUS + hpd_offsets[idx]) &
354             DC_HPD_INT_STATUS__DC_HPD_SENSE_MASK)
355                 connected = true;
356
357         return connected;
358 }
359
360 /**
361  * dce_v11_0_hpd_set_polarity - hpd set polarity callback.
362  *
363  * @adev: amdgpu_device pointer
364  * @hpd: hpd (hotplug detect) pin
365  *
366  * Set the polarity of the hpd pin (evergreen+).
367  */
368 static void dce_v11_0_hpd_set_polarity(struct amdgpu_device *adev,
369                                       enum amdgpu_hpd_id hpd)
370 {
371         u32 tmp;
372         bool connected = dce_v11_0_hpd_sense(adev, hpd);
373         int idx;
374
375         switch (hpd) {
376         case AMDGPU_HPD_1:
377                 idx = 0;
378                 break;
379         case AMDGPU_HPD_2:
380                 idx = 1;
381                 break;
382         case AMDGPU_HPD_3:
383                 idx = 2;
384                 break;
385         case AMDGPU_HPD_4:
386                 idx = 3;
387                 break;
388         case AMDGPU_HPD_5:
389                 idx = 4;
390                 break;
391         case AMDGPU_HPD_6:
392                 idx = 5;
393                 break;
394         default:
395                 return;
396         }
397
398         tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[idx]);
399         if (connected)
400                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 0);
401         else
402                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 1);
403         WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[idx], tmp);
404 }
405
406 /**
407  * dce_v11_0_hpd_init - hpd setup callback.
408  *
409  * @adev: amdgpu_device pointer
410  *
411  * Setup the hpd pins used by the card (evergreen+).
412  * Enable the pin, set the polarity, and enable the hpd interrupts.
413  */
414 static void dce_v11_0_hpd_init(struct amdgpu_device *adev)
415 {
416         struct drm_device *dev = adev->ddev;
417         struct drm_connector *connector;
418         u32 tmp;
419         int idx;
420
421         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
422                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
423
424                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
425                     connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
426                         /* don't try to enable hpd on eDP or LVDS avoid breaking the
427                          * aux dp channel on imac and help (but not completely fix)
428                          * https://bugzilla.redhat.com/show_bug.cgi?id=726143
429                          * also avoid interrupt storms during dpms.
430                          */
431                         continue;
432                 }
433
434                 switch (amdgpu_connector->hpd.hpd) {
435                 case AMDGPU_HPD_1:
436                         idx = 0;
437                         break;
438                 case AMDGPU_HPD_2:
439                         idx = 1;
440                         break;
441                 case AMDGPU_HPD_3:
442                         idx = 2;
443                         break;
444                 case AMDGPU_HPD_4:
445                         idx = 3;
446                         break;
447                 case AMDGPU_HPD_5:
448                         idx = 4;
449                         break;
450                 case AMDGPU_HPD_6:
451                         idx = 5;
452                         break;
453                 default:
454                         continue;
455                 }
456
457                 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[idx]);
458                 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 1);
459                 WREG32(mmDC_HPD_CONTROL + hpd_offsets[idx], tmp);
460
461                 tmp = RREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[idx]);
462                 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
463                                     DC_HPD_CONNECT_INT_DELAY,
464                                     AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS);
465                 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
466                                     DC_HPD_DISCONNECT_INT_DELAY,
467                                     AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS);
468                 WREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[idx], tmp);
469
470                 dce_v11_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
471                 amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
472         }
473 }
474
475 /**
476  * dce_v11_0_hpd_fini - hpd tear down callback.
477  *
478  * @adev: amdgpu_device pointer
479  *
480  * Tear down the hpd pins used by the card (evergreen+).
481  * Disable the hpd interrupts.
482  */
483 static void dce_v11_0_hpd_fini(struct amdgpu_device *adev)
484 {
485         struct drm_device *dev = adev->ddev;
486         struct drm_connector *connector;
487         u32 tmp;
488         int idx;
489
490         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
491                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
492
493                 switch (amdgpu_connector->hpd.hpd) {
494                 case AMDGPU_HPD_1:
495                         idx = 0;
496                         break;
497                 case AMDGPU_HPD_2:
498                         idx = 1;
499                         break;
500                 case AMDGPU_HPD_3:
501                         idx = 2;
502                         break;
503                 case AMDGPU_HPD_4:
504                         idx = 3;
505                         break;
506                 case AMDGPU_HPD_5:
507                         idx = 4;
508                         break;
509                 case AMDGPU_HPD_6:
510                         idx = 5;
511                         break;
512                 default:
513                         continue;
514                 }
515
516                 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[idx]);
517                 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 0);
518                 WREG32(mmDC_HPD_CONTROL + hpd_offsets[idx], tmp);
519
520                 amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
521         }
522 }
523
524 static u32 dce_v11_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
525 {
526         return mmDC_GPIO_HPD_A;
527 }
528
529 static bool dce_v11_0_is_display_hung(struct amdgpu_device *adev)
530 {
531         u32 crtc_hung = 0;
532         u32 crtc_status[6];
533         u32 i, j, tmp;
534
535         for (i = 0; i < adev->mode_info.num_crtc; i++) {
536                 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
537                 if (REG_GET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN)) {
538                         crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
539                         crtc_hung |= (1 << i);
540                 }
541         }
542
543         for (j = 0; j < 10; j++) {
544                 for (i = 0; i < adev->mode_info.num_crtc; i++) {
545                         if (crtc_hung & (1 << i)) {
546                                 tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
547                                 if (tmp != crtc_status[i])
548                                         crtc_hung &= ~(1 << i);
549                         }
550                 }
551                 if (crtc_hung == 0)
552                         return false;
553                 udelay(100);
554         }
555
556         return true;
557 }
558
559 static void dce_v11_0_stop_mc_access(struct amdgpu_device *adev,
560                                      struct amdgpu_mode_mc_save *save)
561 {
562         u32 crtc_enabled, tmp;
563         int i;
564
565         save->vga_render_control = RREG32(mmVGA_RENDER_CONTROL);
566         save->vga_hdp_control = RREG32(mmVGA_HDP_CONTROL);
567
568         /* disable VGA render */
569         tmp = RREG32(mmVGA_RENDER_CONTROL);
570         tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
571         WREG32(mmVGA_RENDER_CONTROL, tmp);
572
573         /* blank the display controllers */
574         for (i = 0; i < adev->mode_info.num_crtc; i++) {
575                 crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]),
576                                              CRTC_CONTROL, CRTC_MASTER_EN);
577                 if (crtc_enabled) {
578 #if 0
579                         u32 frame_count;
580                         int j;
581
582                         save->crtc_enabled[i] = true;
583                         tmp = RREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i]);
584                         if (REG_GET_FIELD(tmp, CRTC_BLANK_CONTROL, CRTC_BLANK_DATA_EN) == 0) {
585                                 amdgpu_display_vblank_wait(adev, i);
586                                 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
587                                 tmp = REG_SET_FIELD(tmp, CRTC_BLANK_CONTROL, CRTC_BLANK_DATA_EN, 1);
588                                 WREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
589                                 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
590                         }
591                         /* wait for the next frame */
592                         frame_count = amdgpu_display_vblank_get_counter(adev, i);
593                         for (j = 0; j < adev->usec_timeout; j++) {
594                                 if (amdgpu_display_vblank_get_counter(adev, i) != frame_count)
595                                         break;
596                                 udelay(1);
597                         }
598                         tmp = RREG32(mmGRPH_UPDATE + crtc_offsets[i]);
599                         if (REG_GET_FIELD(tmp, GRPH_UPDATE, GRPH_UPDATE_LOCK) == 0) {
600                                 tmp = REG_SET_FIELD(tmp, GRPH_UPDATE, GRPH_UPDATE_LOCK, 1);
601                                 WREG32(mmGRPH_UPDATE + crtc_offsets[i], tmp);
602                         }
603                         tmp = RREG32(mmCRTC_MASTER_UPDATE_LOCK + crtc_offsets[i]);
604                         if (REG_GET_FIELD(tmp, CRTC_MASTER_UPDATE_LOCK, MASTER_UPDATE_LOCK) == 0) {
605                                 tmp = REG_SET_FIELD(tmp, CRTC_MASTER_UPDATE_LOCK, MASTER_UPDATE_LOCK, 1);
606                                 WREG32(mmCRTC_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
607                         }
608 #else
609                         /* XXX this is a hack to avoid strange behavior with EFI on certain systems */
610                         WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
611                         tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
612                         tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0);
613                         WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
614                         WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
615                         save->crtc_enabled[i] = false;
616                         /* ***** */
617 #endif
618                 } else {
619                         save->crtc_enabled[i] = false;
620                 }
621         }
622 }
623
624 static void dce_v11_0_resume_mc_access(struct amdgpu_device *adev,
625                                        struct amdgpu_mode_mc_save *save)
626 {
627         u32 tmp, frame_count;
628         int i, j;
629
630         /* update crtc base addresses */
631         for (i = 0; i < adev->mode_info.num_crtc; i++) {
632                 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i],
633                        upper_32_bits(adev->mc.vram_start));
634                 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i],
635                        upper_32_bits(adev->mc.vram_start));
636                 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + crtc_offsets[i],
637                        (u32)adev->mc.vram_start);
638                 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + crtc_offsets[i],
639                        (u32)adev->mc.vram_start);
640
641                 if (save->crtc_enabled[i]) {
642                         tmp = RREG32(mmCRTC_MASTER_UPDATE_MODE + crtc_offsets[i]);
643                         if (REG_GET_FIELD(tmp, CRTC_MASTER_UPDATE_MODE, MASTER_UPDATE_MODE) != 3) {
644                                 tmp = REG_SET_FIELD(tmp, CRTC_MASTER_UPDATE_MODE, MASTER_UPDATE_MODE, 3);
645                                 WREG32(mmCRTC_MASTER_UPDATE_MODE + crtc_offsets[i], tmp);
646                         }
647                         tmp = RREG32(mmGRPH_UPDATE + crtc_offsets[i]);
648                         if (REG_GET_FIELD(tmp, GRPH_UPDATE, GRPH_UPDATE_LOCK)) {
649                                 tmp = REG_SET_FIELD(tmp, GRPH_UPDATE, GRPH_UPDATE_LOCK, 0);
650                                 WREG32(mmGRPH_UPDATE + crtc_offsets[i], tmp);
651                         }
652                         tmp = RREG32(mmCRTC_MASTER_UPDATE_LOCK + crtc_offsets[i]);
653                         if (REG_GET_FIELD(tmp, CRTC_MASTER_UPDATE_LOCK, MASTER_UPDATE_LOCK)) {
654                                 tmp = REG_SET_FIELD(tmp, CRTC_MASTER_UPDATE_LOCK, MASTER_UPDATE_LOCK, 0);
655                                 WREG32(mmCRTC_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
656                         }
657                         for (j = 0; j < adev->usec_timeout; j++) {
658                                 tmp = RREG32(mmGRPH_UPDATE + crtc_offsets[i]);
659                                 if (REG_GET_FIELD(tmp, GRPH_UPDATE, GRPH_SURFACE_UPDATE_PENDING) == 0)
660                                         break;
661                                 udelay(1);
662                         }
663                         tmp = RREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i]);
664                         tmp = REG_SET_FIELD(tmp, CRTC_BLANK_CONTROL, CRTC_BLANK_DATA_EN, 0);
665                         WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
666                         WREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
667                         WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
668                         /* wait for the next frame */
669                         frame_count = amdgpu_display_vblank_get_counter(adev, i);
670                         for (j = 0; j < adev->usec_timeout; j++) {
671                                 if (amdgpu_display_vblank_get_counter(adev, i) != frame_count)
672                                         break;
673                                 udelay(1);
674                         }
675                 }
676         }
677
678         WREG32(mmVGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(adev->mc.vram_start));
679         WREG32(mmVGA_MEMORY_BASE_ADDRESS, lower_32_bits(adev->mc.vram_start));
680
681         /* Unlock vga access */
682         WREG32(mmVGA_HDP_CONTROL, save->vga_hdp_control);
683         mdelay(1);
684         WREG32(mmVGA_RENDER_CONTROL, save->vga_render_control);
685 }
686
687 static void dce_v11_0_set_vga_render_state(struct amdgpu_device *adev,
688                                            bool render)
689 {
690         u32 tmp;
691
692         /* Lockout access through VGA aperture*/
693         tmp = RREG32(mmVGA_HDP_CONTROL);
694         if (render)
695                 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0);
696         else
697                 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
698         WREG32(mmVGA_HDP_CONTROL, tmp);
699
700         /* disable VGA render */
701         tmp = RREG32(mmVGA_RENDER_CONTROL);
702         if (render)
703                 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1);
704         else
705                 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
706         WREG32(mmVGA_RENDER_CONTROL, tmp);
707 }
708
709 static void dce_v11_0_program_fmt(struct drm_encoder *encoder)
710 {
711         struct drm_device *dev = encoder->dev;
712         struct amdgpu_device *adev = dev->dev_private;
713         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
714         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
715         struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
716         int bpc = 0;
717         u32 tmp = 0;
718         enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
719
720         if (connector) {
721                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
722                 bpc = amdgpu_connector_get_monitor_bpc(connector);
723                 dither = amdgpu_connector->dither;
724         }
725
726         /* LVDS/eDP FMT is set up by atom */
727         if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
728                 return;
729
730         /* not needed for analog */
731         if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
732             (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
733                 return;
734
735         if (bpc == 0)
736                 return;
737
738         switch (bpc) {
739         case 6:
740                 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
741                         /* XXX sort out optimal dither settings */
742                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
743                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
744                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
745                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 0);
746                 } else {
747                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
748                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 0);
749                 }
750                 break;
751         case 8:
752                 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
753                         /* XXX sort out optimal dither settings */
754                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
755                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
756                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
757                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
758                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 1);
759                 } else {
760                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
761                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 1);
762                 }
763                 break;
764         case 10:
765                 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
766                         /* XXX sort out optimal dither settings */
767                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
768                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
769                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
770                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
771                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 2);
772                 } else {
773                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
774                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 2);
775                 }
776                 break;
777         default:
778                 /* not needed */
779                 break;
780         }
781
782         WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
783 }
784
785
786 /* display watermark setup */
787 /**
788  * dce_v11_0_line_buffer_adjust - Set up the line buffer
789  *
790  * @adev: amdgpu_device pointer
791  * @amdgpu_crtc: the selected display controller
792  * @mode: the current display mode on the selected display
793  * controller
794  *
795  * Setup up the line buffer allocation for
796  * the selected display controller (CIK).
797  * Returns the line buffer size in pixels.
798  */
799 static u32 dce_v11_0_line_buffer_adjust(struct amdgpu_device *adev,
800                                        struct amdgpu_crtc *amdgpu_crtc,
801                                        struct drm_display_mode *mode)
802 {
803         u32 tmp, buffer_alloc, i, mem_cfg;
804         u32 pipe_offset = amdgpu_crtc->crtc_id;
805         /*
806          * Line Buffer Setup
807          * There are 6 line buffers, one for each display controllers.
808          * There are 3 partitions per LB. Select the number of partitions
809          * to enable based on the display width.  For display widths larger
810          * than 4096, you need use to use 2 display controllers and combine
811          * them using the stereo blender.
812          */
813         if (amdgpu_crtc->base.enabled && mode) {
814                 if (mode->crtc_hdisplay < 1920) {
815                         mem_cfg = 1;
816                         buffer_alloc = 2;
817                 } else if (mode->crtc_hdisplay < 2560) {
818                         mem_cfg = 2;
819                         buffer_alloc = 2;
820                 } else if (mode->crtc_hdisplay < 4096) {
821                         mem_cfg = 0;
822                         buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
823                 } else {
824                         DRM_DEBUG_KMS("Mode too big for LB!\n");
825                         mem_cfg = 0;
826                         buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
827                 }
828         } else {
829                 mem_cfg = 1;
830                 buffer_alloc = 0;
831         }
832
833         tmp = RREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset);
834         tmp = REG_SET_FIELD(tmp, LB_MEMORY_CTRL, LB_MEMORY_CONFIG, mem_cfg);
835         WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset, tmp);
836
837         tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
838         tmp = REG_SET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATED, buffer_alloc);
839         WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset, tmp);
840
841         for (i = 0; i < adev->usec_timeout; i++) {
842                 tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
843                 if (REG_GET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATION_COMPLETED))
844                         break;
845                 udelay(1);
846         }
847
848         if (amdgpu_crtc->base.enabled && mode) {
849                 switch (mem_cfg) {
850                 case 0:
851                 default:
852                         return 4096 * 2;
853                 case 1:
854                         return 1920 * 2;
855                 case 2:
856                         return 2560 * 2;
857                 }
858         }
859
860         /* controller not enabled, so no lb used */
861         return 0;
862 }
863
864 /**
865  * cik_get_number_of_dram_channels - get the number of dram channels
866  *
867  * @adev: amdgpu_device pointer
868  *
869  * Look up the number of video ram channels (CIK).
870  * Used for display watermark bandwidth calculations
871  * Returns the number of dram channels
872  */
873 static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev)
874 {
875         u32 tmp = RREG32(mmMC_SHARED_CHMAP);
876
877         switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
878         case 0:
879         default:
880                 return 1;
881         case 1:
882                 return 2;
883         case 2:
884                 return 4;
885         case 3:
886                 return 8;
887         case 4:
888                 return 3;
889         case 5:
890                 return 6;
891         case 6:
892                 return 10;
893         case 7:
894                 return 12;
895         case 8:
896                 return 16;
897         }
898 }
899
900 struct dce10_wm_params {
901         u32 dram_channels; /* number of dram channels */
902         u32 yclk;          /* bandwidth per dram data pin in kHz */
903         u32 sclk;          /* engine clock in kHz */
904         u32 disp_clk;      /* display clock in kHz */
905         u32 src_width;     /* viewport width */
906         u32 active_time;   /* active display time in ns */
907         u32 blank_time;    /* blank time in ns */
908         bool interlaced;    /* mode is interlaced */
909         fixed20_12 vsc;    /* vertical scale ratio */
910         u32 num_heads;     /* number of active crtcs */
911         u32 bytes_per_pixel; /* bytes per pixel display + overlay */
912         u32 lb_size;       /* line buffer allocated to pipe */
913         u32 vtaps;         /* vertical scaler taps */
914 };
915
916 /**
917  * dce_v11_0_dram_bandwidth - get the dram bandwidth
918  *
919  * @wm: watermark calculation data
920  *
921  * Calculate the raw dram bandwidth (CIK).
922  * Used for display watermark bandwidth calculations
923  * Returns the dram bandwidth in MBytes/s
924  */
925 static u32 dce_v11_0_dram_bandwidth(struct dce10_wm_params *wm)
926 {
927         /* Calculate raw DRAM Bandwidth */
928         fixed20_12 dram_efficiency; /* 0.7 */
929         fixed20_12 yclk, dram_channels, bandwidth;
930         fixed20_12 a;
931
932         a.full = dfixed_const(1000);
933         yclk.full = dfixed_const(wm->yclk);
934         yclk.full = dfixed_div(yclk, a);
935         dram_channels.full = dfixed_const(wm->dram_channels * 4);
936         a.full = dfixed_const(10);
937         dram_efficiency.full = dfixed_const(7);
938         dram_efficiency.full = dfixed_div(dram_efficiency, a);
939         bandwidth.full = dfixed_mul(dram_channels, yclk);
940         bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
941
942         return dfixed_trunc(bandwidth);
943 }
944
945 /**
946  * dce_v11_0_dram_bandwidth_for_display - get the dram bandwidth for display
947  *
948  * @wm: watermark calculation data
949  *
950  * Calculate the dram bandwidth used for display (CIK).
951  * Used for display watermark bandwidth calculations
952  * Returns the dram bandwidth for display in MBytes/s
953  */
954 static u32 dce_v11_0_dram_bandwidth_for_display(struct dce10_wm_params *wm)
955 {
956         /* Calculate DRAM Bandwidth and the part allocated to display. */
957         fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
958         fixed20_12 yclk, dram_channels, bandwidth;
959         fixed20_12 a;
960
961         a.full = dfixed_const(1000);
962         yclk.full = dfixed_const(wm->yclk);
963         yclk.full = dfixed_div(yclk, a);
964         dram_channels.full = dfixed_const(wm->dram_channels * 4);
965         a.full = dfixed_const(10);
966         disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
967         disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
968         bandwidth.full = dfixed_mul(dram_channels, yclk);
969         bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
970
971         return dfixed_trunc(bandwidth);
972 }
973
974 /**
975  * dce_v11_0_data_return_bandwidth - get the data return bandwidth
976  *
977  * @wm: watermark calculation data
978  *
979  * Calculate the data return bandwidth used for display (CIK).
980  * Used for display watermark bandwidth calculations
981  * Returns the data return bandwidth in MBytes/s
982  */
983 static u32 dce_v11_0_data_return_bandwidth(struct dce10_wm_params *wm)
984 {
985         /* Calculate the display Data return Bandwidth */
986         fixed20_12 return_efficiency; /* 0.8 */
987         fixed20_12 sclk, bandwidth;
988         fixed20_12 a;
989
990         a.full = dfixed_const(1000);
991         sclk.full = dfixed_const(wm->sclk);
992         sclk.full = dfixed_div(sclk, a);
993         a.full = dfixed_const(10);
994         return_efficiency.full = dfixed_const(8);
995         return_efficiency.full = dfixed_div(return_efficiency, a);
996         a.full = dfixed_const(32);
997         bandwidth.full = dfixed_mul(a, sclk);
998         bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
999
1000         return dfixed_trunc(bandwidth);
1001 }
1002
1003 /**
1004  * dce_v11_0_dmif_request_bandwidth - get the dmif bandwidth
1005  *
1006  * @wm: watermark calculation data
1007  *
1008  * Calculate the dmif bandwidth used for display (CIK).
1009  * Used for display watermark bandwidth calculations
1010  * Returns the dmif bandwidth in MBytes/s
1011  */
1012 static u32 dce_v11_0_dmif_request_bandwidth(struct dce10_wm_params *wm)
1013 {
1014         /* Calculate the DMIF Request Bandwidth */
1015         fixed20_12 disp_clk_request_efficiency; /* 0.8 */
1016         fixed20_12 disp_clk, bandwidth;
1017         fixed20_12 a, b;
1018
1019         a.full = dfixed_const(1000);
1020         disp_clk.full = dfixed_const(wm->disp_clk);
1021         disp_clk.full = dfixed_div(disp_clk, a);
1022         a.full = dfixed_const(32);
1023         b.full = dfixed_mul(a, disp_clk);
1024
1025         a.full = dfixed_const(10);
1026         disp_clk_request_efficiency.full = dfixed_const(8);
1027         disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
1028
1029         bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
1030
1031         return dfixed_trunc(bandwidth);
1032 }
1033
1034 /**
1035  * dce_v11_0_available_bandwidth - get the min available bandwidth
1036  *
1037  * @wm: watermark calculation data
1038  *
1039  * Calculate the min available bandwidth used for display (CIK).
1040  * Used for display watermark bandwidth calculations
1041  * Returns the min available bandwidth in MBytes/s
1042  */
1043 static u32 dce_v11_0_available_bandwidth(struct dce10_wm_params *wm)
1044 {
1045         /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
1046         u32 dram_bandwidth = dce_v11_0_dram_bandwidth(wm);
1047         u32 data_return_bandwidth = dce_v11_0_data_return_bandwidth(wm);
1048         u32 dmif_req_bandwidth = dce_v11_0_dmif_request_bandwidth(wm);
1049
1050         return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
1051 }
1052
1053 /**
1054  * dce_v11_0_average_bandwidth - get the average available bandwidth
1055  *
1056  * @wm: watermark calculation data
1057  *
1058  * Calculate the average available bandwidth used for display (CIK).
1059  * Used for display watermark bandwidth calculations
1060  * Returns the average available bandwidth in MBytes/s
1061  */
1062 static u32 dce_v11_0_average_bandwidth(struct dce10_wm_params *wm)
1063 {
1064         /* Calculate the display mode Average Bandwidth
1065          * DisplayMode should contain the source and destination dimensions,
1066          * timing, etc.
1067          */
1068         fixed20_12 bpp;
1069         fixed20_12 line_time;
1070         fixed20_12 src_width;
1071         fixed20_12 bandwidth;
1072         fixed20_12 a;
1073
1074         a.full = dfixed_const(1000);
1075         line_time.full = dfixed_const(wm->active_time + wm->blank_time);
1076         line_time.full = dfixed_div(line_time, a);
1077         bpp.full = dfixed_const(wm->bytes_per_pixel);
1078         src_width.full = dfixed_const(wm->src_width);
1079         bandwidth.full = dfixed_mul(src_width, bpp);
1080         bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
1081         bandwidth.full = dfixed_div(bandwidth, line_time);
1082
1083         return dfixed_trunc(bandwidth);
1084 }
1085
1086 /**
1087  * dce_v11_0_latency_watermark - get the latency watermark
1088  *
1089  * @wm: watermark calculation data
1090  *
1091  * Calculate the latency watermark (CIK).
1092  * Used for display watermark bandwidth calculations
1093  * Returns the latency watermark in ns
1094  */
1095 static u32 dce_v11_0_latency_watermark(struct dce10_wm_params *wm)
1096 {
1097         /* First calculate the latency in ns */
1098         u32 mc_latency = 2000; /* 2000 ns. */
1099         u32 available_bandwidth = dce_v11_0_available_bandwidth(wm);
1100         u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
1101         u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
1102         u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
1103         u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
1104                 (wm->num_heads * cursor_line_pair_return_time);
1105         u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
1106         u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
1107         u32 tmp, dmif_size = 12288;
1108         fixed20_12 a, b, c;
1109
1110         if (wm->num_heads == 0)
1111                 return 0;
1112
1113         a.full = dfixed_const(2);
1114         b.full = dfixed_const(1);
1115         if ((wm->vsc.full > a.full) ||
1116             ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
1117             (wm->vtaps >= 5) ||
1118             ((wm->vsc.full >= a.full) && wm->interlaced))
1119                 max_src_lines_per_dst_line = 4;
1120         else
1121                 max_src_lines_per_dst_line = 2;
1122
1123         a.full = dfixed_const(available_bandwidth);
1124         b.full = dfixed_const(wm->num_heads);
1125         a.full = dfixed_div(a, b);
1126
1127         b.full = dfixed_const(mc_latency + 512);
1128         c.full = dfixed_const(wm->disp_clk);
1129         b.full = dfixed_div(b, c);
1130
1131         c.full = dfixed_const(dmif_size);
1132         b.full = dfixed_div(c, b);
1133
1134         tmp = min(dfixed_trunc(a), dfixed_trunc(b));
1135
1136         b.full = dfixed_const(1000);
1137         c.full = dfixed_const(wm->disp_clk);
1138         b.full = dfixed_div(c, b);
1139         c.full = dfixed_const(wm->bytes_per_pixel);
1140         b.full = dfixed_mul(b, c);
1141
1142         lb_fill_bw = min(tmp, dfixed_trunc(b));
1143
1144         a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
1145         b.full = dfixed_const(1000);
1146         c.full = dfixed_const(lb_fill_bw);
1147         b.full = dfixed_div(c, b);
1148         a.full = dfixed_div(a, b);
1149         line_fill_time = dfixed_trunc(a);
1150
1151         if (line_fill_time < wm->active_time)
1152                 return latency;
1153         else
1154                 return latency + (line_fill_time - wm->active_time);
1155
1156 }
1157
1158 /**
1159  * dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display - check
1160  * average and available dram bandwidth
1161  *
1162  * @wm: watermark calculation data
1163  *
1164  * Check if the display average bandwidth fits in the display
1165  * dram bandwidth (CIK).
1166  * Used for display watermark bandwidth calculations
1167  * Returns true if the display fits, false if not.
1168  */
1169 static bool dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce10_wm_params *wm)
1170 {
1171         if (dce_v11_0_average_bandwidth(wm) <=
1172             (dce_v11_0_dram_bandwidth_for_display(wm) / wm->num_heads))
1173                 return true;
1174         else
1175                 return false;
1176 }
1177
1178 /**
1179  * dce_v11_0_average_bandwidth_vs_available_bandwidth - check
1180  * average and available bandwidth
1181  *
1182  * @wm: watermark calculation data
1183  *
1184  * Check if the display average bandwidth fits in the display
1185  * available bandwidth (CIK).
1186  * Used for display watermark bandwidth calculations
1187  * Returns true if the display fits, false if not.
1188  */
1189 static bool dce_v11_0_average_bandwidth_vs_available_bandwidth(struct dce10_wm_params *wm)
1190 {
1191         if (dce_v11_0_average_bandwidth(wm) <=
1192             (dce_v11_0_available_bandwidth(wm) / wm->num_heads))
1193                 return true;
1194         else
1195                 return false;
1196 }
1197
1198 /**
1199  * dce_v11_0_check_latency_hiding - check latency hiding
1200  *
1201  * @wm: watermark calculation data
1202  *
1203  * Check latency hiding (CIK).
1204  * Used for display watermark bandwidth calculations
1205  * Returns true if the display fits, false if not.
1206  */
1207 static bool dce_v11_0_check_latency_hiding(struct dce10_wm_params *wm)
1208 {
1209         u32 lb_partitions = wm->lb_size / wm->src_width;
1210         u32 line_time = wm->active_time + wm->blank_time;
1211         u32 latency_tolerant_lines;
1212         u32 latency_hiding;
1213         fixed20_12 a;
1214
1215         a.full = dfixed_const(1);
1216         if (wm->vsc.full > a.full)
1217                 latency_tolerant_lines = 1;
1218         else {
1219                 if (lb_partitions <= (wm->vtaps + 1))
1220                         latency_tolerant_lines = 1;
1221                 else
1222                         latency_tolerant_lines = 2;
1223         }
1224
1225         latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
1226
1227         if (dce_v11_0_latency_watermark(wm) <= latency_hiding)
1228                 return true;
1229         else
1230                 return false;
1231 }
1232
1233 /**
1234  * dce_v11_0_program_watermarks - program display watermarks
1235  *
1236  * @adev: amdgpu_device pointer
1237  * @amdgpu_crtc: the selected display controller
1238  * @lb_size: line buffer size
1239  * @num_heads: number of display controllers in use
1240  *
1241  * Calculate and program the display watermarks for the
1242  * selected display controller (CIK).
1243  */
1244 static void dce_v11_0_program_watermarks(struct amdgpu_device *adev,
1245                                         struct amdgpu_crtc *amdgpu_crtc,
1246                                         u32 lb_size, u32 num_heads)
1247 {
1248         struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
1249         struct dce10_wm_params wm_low, wm_high;
1250         u32 pixel_period;
1251         u32 line_time = 0;
1252         u32 latency_watermark_a = 0, latency_watermark_b = 0;
1253         u32 tmp, wm_mask;
1254
1255         if (amdgpu_crtc->base.enabled && num_heads && mode) {
1256                 pixel_period = 1000000 / (u32)mode->clock;
1257                 line_time = min((u32)mode->crtc_htotal * pixel_period, (u32)65535);
1258
1259                 /* watermark for high clocks */
1260                 if (adev->pm.dpm_enabled) {
1261                         wm_high.yclk =
1262                                 amdgpu_dpm_get_mclk(adev, false) * 10;
1263                         wm_high.sclk =
1264                                 amdgpu_dpm_get_sclk(adev, false) * 10;
1265                 } else {
1266                         wm_high.yclk = adev->pm.current_mclk * 10;
1267                         wm_high.sclk = adev->pm.current_sclk * 10;
1268                 }
1269
1270                 wm_high.disp_clk = mode->clock;
1271                 wm_high.src_width = mode->crtc_hdisplay;
1272                 wm_high.active_time = mode->crtc_hdisplay * pixel_period;
1273                 wm_high.blank_time = line_time - wm_high.active_time;
1274                 wm_high.interlaced = false;
1275                 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1276                         wm_high.interlaced = true;
1277                 wm_high.vsc = amdgpu_crtc->vsc;
1278                 wm_high.vtaps = 1;
1279                 if (amdgpu_crtc->rmx_type != RMX_OFF)
1280                         wm_high.vtaps = 2;
1281                 wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
1282                 wm_high.lb_size = lb_size;
1283                 wm_high.dram_channels = cik_get_number_of_dram_channels(adev);
1284                 wm_high.num_heads = num_heads;
1285
1286                 /* set for high clocks */
1287                 latency_watermark_a = min(dce_v11_0_latency_watermark(&wm_high), (u32)65535);
1288
1289                 /* possibly force display priority to high */
1290                 /* should really do this at mode validation time... */
1291                 if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
1292                     !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
1293                     !dce_v11_0_check_latency_hiding(&wm_high) ||
1294                     (adev->mode_info.disp_priority == 2)) {
1295                         DRM_DEBUG_KMS("force priority to high\n");
1296                 }
1297
1298                 /* watermark for low clocks */
1299                 if (adev->pm.dpm_enabled) {
1300                         wm_low.yclk =
1301                                 amdgpu_dpm_get_mclk(adev, true) * 10;
1302                         wm_low.sclk =
1303                                 amdgpu_dpm_get_sclk(adev, true) * 10;
1304                 } else {
1305                         wm_low.yclk = adev->pm.current_mclk * 10;
1306                         wm_low.sclk = adev->pm.current_sclk * 10;
1307                 }
1308
1309                 wm_low.disp_clk = mode->clock;
1310                 wm_low.src_width = mode->crtc_hdisplay;
1311                 wm_low.active_time = mode->crtc_hdisplay * pixel_period;
1312                 wm_low.blank_time = line_time - wm_low.active_time;
1313                 wm_low.interlaced = false;
1314                 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1315                         wm_low.interlaced = true;
1316                 wm_low.vsc = amdgpu_crtc->vsc;
1317                 wm_low.vtaps = 1;
1318                 if (amdgpu_crtc->rmx_type != RMX_OFF)
1319                         wm_low.vtaps = 2;
1320                 wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
1321                 wm_low.lb_size = lb_size;
1322                 wm_low.dram_channels = cik_get_number_of_dram_channels(adev);
1323                 wm_low.num_heads = num_heads;
1324
1325                 /* set for low clocks */
1326                 latency_watermark_b = min(dce_v11_0_latency_watermark(&wm_low), (u32)65535);
1327
1328                 /* possibly force display priority to high */
1329                 /* should really do this at mode validation time... */
1330                 if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
1331                     !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
1332                     !dce_v11_0_check_latency_hiding(&wm_low) ||
1333                     (adev->mode_info.disp_priority == 2)) {
1334                         DRM_DEBUG_KMS("force priority to high\n");
1335                 }
1336         }
1337
1338         /* select wm A */
1339         wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset);
1340         tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 1);
1341         WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1342         tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1343         tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_a);
1344         tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1345         WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1346         /* select wm B */
1347         tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 2);
1348         WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1349         tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1350         tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_b);
1351         tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1352         WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1353         /* restore original selection */
1354         WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask);
1355
1356         /* save values for DPM */
1357         amdgpu_crtc->line_time = line_time;
1358         amdgpu_crtc->wm_high = latency_watermark_a;
1359         amdgpu_crtc->wm_low = latency_watermark_b;
1360 }
1361
1362 /**
1363  * dce_v11_0_bandwidth_update - program display watermarks
1364  *
1365  * @adev: amdgpu_device pointer
1366  *
1367  * Calculate and program the display watermarks and line
1368  * buffer allocation (CIK).
1369  */
1370 static void dce_v11_0_bandwidth_update(struct amdgpu_device *adev)
1371 {
1372         struct drm_display_mode *mode = NULL;
1373         u32 num_heads = 0, lb_size;
1374         int i;
1375
1376         amdgpu_update_display_priority(adev);
1377
1378         for (i = 0; i < adev->mode_info.num_crtc; i++) {
1379                 if (adev->mode_info.crtcs[i]->base.enabled)
1380                         num_heads++;
1381         }
1382         for (i = 0; i < adev->mode_info.num_crtc; i++) {
1383                 mode = &adev->mode_info.crtcs[i]->base.mode;
1384                 lb_size = dce_v11_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode);
1385                 dce_v11_0_program_watermarks(adev, adev->mode_info.crtcs[i],
1386                                             lb_size, num_heads);
1387         }
1388 }
1389
1390 static void dce_v11_0_audio_get_connected_pins(struct amdgpu_device *adev)
1391 {
1392         int i;
1393         u32 offset, tmp;
1394
1395         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1396                 offset = adev->mode_info.audio.pin[i].offset;
1397                 tmp = RREG32_AUDIO_ENDPT(offset,
1398                                          ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1399                 if (((tmp &
1400                 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >>
1401                 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1)
1402                         adev->mode_info.audio.pin[i].connected = false;
1403                 else
1404                         adev->mode_info.audio.pin[i].connected = true;
1405         }
1406 }
1407
1408 static struct amdgpu_audio_pin *dce_v11_0_audio_get_pin(struct amdgpu_device *adev)
1409 {
1410         int i;
1411
1412         dce_v11_0_audio_get_connected_pins(adev);
1413
1414         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1415                 if (adev->mode_info.audio.pin[i].connected)
1416                         return &adev->mode_info.audio.pin[i];
1417         }
1418         DRM_ERROR("No connected audio pins found!\n");
1419         return NULL;
1420 }
1421
1422 static void dce_v11_0_afmt_audio_select_pin(struct drm_encoder *encoder)
1423 {
1424         struct amdgpu_device *adev = encoder->dev->dev_private;
1425         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1426         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1427         u32 tmp;
1428
1429         if (!dig || !dig->afmt || !dig->afmt->pin)
1430                 return;
1431
1432         tmp = RREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset);
1433         tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT, dig->afmt->pin->id);
1434         WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, tmp);
1435 }
1436
1437 static void dce_v11_0_audio_write_latency_fields(struct drm_encoder *encoder,
1438                                                 struct drm_display_mode *mode)
1439 {
1440         struct amdgpu_device *adev = encoder->dev->dev_private;
1441         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1442         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1443         struct drm_connector *connector;
1444         struct amdgpu_connector *amdgpu_connector = NULL;
1445         u32 tmp;
1446         int interlace = 0;
1447
1448         if (!dig || !dig->afmt || !dig->afmt->pin)
1449                 return;
1450
1451         list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1452                 if (connector->encoder == encoder) {
1453                         amdgpu_connector = to_amdgpu_connector(connector);
1454                         break;
1455                 }
1456         }
1457
1458         if (!amdgpu_connector) {
1459                 DRM_ERROR("Couldn't find encoder's connector\n");
1460                 return;
1461         }
1462
1463         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1464                 interlace = 1;
1465         if (connector->latency_present[interlace]) {
1466                 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1467                                     VIDEO_LIPSYNC, connector->video_latency[interlace]);
1468                 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1469                                     AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1470         } else {
1471                 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1472                                     VIDEO_LIPSYNC, 0);
1473                 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1474                                     AUDIO_LIPSYNC, 0);
1475         }
1476         WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1477                            ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1478 }
1479
1480 static void dce_v11_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1481 {
1482         struct amdgpu_device *adev = encoder->dev->dev_private;
1483         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1484         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1485         struct drm_connector *connector;
1486         struct amdgpu_connector *amdgpu_connector = NULL;
1487         u32 tmp;
1488         u8 *sadb = NULL;
1489         int sad_count;
1490
1491         if (!dig || !dig->afmt || !dig->afmt->pin)
1492                 return;
1493
1494         list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1495                 if (connector->encoder == encoder) {
1496                         amdgpu_connector = to_amdgpu_connector(connector);
1497                         break;
1498                 }
1499         }
1500
1501         if (!amdgpu_connector) {
1502                 DRM_ERROR("Couldn't find encoder's connector\n");
1503                 return;
1504         }
1505
1506         sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
1507         if (sad_count < 0) {
1508                 DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1509                 sad_count = 0;
1510         }
1511
1512         /* program the speaker allocation */
1513         tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1514                                  ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1515         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1516                             DP_CONNECTION, 0);
1517         /* set HDMI mode */
1518         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1519                             HDMI_CONNECTION, 1);
1520         if (sad_count)
1521                 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1522                                     SPEAKER_ALLOCATION, sadb[0]);
1523         else
1524                 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1525                                     SPEAKER_ALLOCATION, 5); /* stereo */
1526         WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1527                            ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1528
1529         kfree(sadb);
1530 }
1531
1532 static void dce_v11_0_audio_write_sad_regs(struct drm_encoder *encoder)
1533 {
1534         struct amdgpu_device *adev = encoder->dev->dev_private;
1535         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1536         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1537         struct drm_connector *connector;
1538         struct amdgpu_connector *amdgpu_connector = NULL;
1539         struct cea_sad *sads;
1540         int i, sad_count;
1541
1542         static const u16 eld_reg_to_type[][2] = {
1543                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1544                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1545                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1546                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1547                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1548                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1549                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1550                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1551                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1552                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1553                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1554                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1555         };
1556
1557         if (!dig || !dig->afmt || !dig->afmt->pin)
1558                 return;
1559
1560         list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1561                 if (connector->encoder == encoder) {
1562                         amdgpu_connector = to_amdgpu_connector(connector);
1563                         break;
1564                 }
1565         }
1566
1567         if (!amdgpu_connector) {
1568                 DRM_ERROR("Couldn't find encoder's connector\n");
1569                 return;
1570         }
1571
1572         sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
1573         if (sad_count <= 0) {
1574                 DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1575                 return;
1576         }
1577         BUG_ON(!sads);
1578
1579         for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1580                 u32 tmp = 0;
1581                 u8 stereo_freqs = 0;
1582                 int max_channels = -1;
1583                 int j;
1584
1585                 for (j = 0; j < sad_count; j++) {
1586                         struct cea_sad *sad = &sads[j];
1587
1588                         if (sad->format == eld_reg_to_type[i][1]) {
1589                                 if (sad->channels > max_channels) {
1590                                         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1591                                                             MAX_CHANNELS, sad->channels);
1592                                         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1593                                                             DESCRIPTOR_BYTE_2, sad->byte2);
1594                                         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1595                                                             SUPPORTED_FREQUENCIES, sad->freq);
1596                                         max_channels = sad->channels;
1597                                 }
1598
1599                                 if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1600                                         stereo_freqs |= sad->freq;
1601                                 else
1602                                         break;
1603                         }
1604                 }
1605
1606                 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1607                                     SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1608                 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1609         }
1610
1611         kfree(sads);
1612 }
1613
1614 static void dce_v11_0_audio_enable(struct amdgpu_device *adev,
1615                                   struct amdgpu_audio_pin *pin,
1616                                   bool enable)
1617 {
1618         if (!pin)
1619                 return;
1620
1621         WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1622                            enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1623 }
1624
1625 static const u32 pin_offsets[] =
1626 {
1627         AUD0_REGISTER_OFFSET,
1628         AUD1_REGISTER_OFFSET,
1629         AUD2_REGISTER_OFFSET,
1630         AUD3_REGISTER_OFFSET,
1631         AUD4_REGISTER_OFFSET,
1632         AUD5_REGISTER_OFFSET,
1633         AUD6_REGISTER_OFFSET,
1634 };
1635
1636 static int dce_v11_0_audio_init(struct amdgpu_device *adev)
1637 {
1638         int i;
1639
1640         if (!amdgpu_audio)
1641                 return 0;
1642
1643         adev->mode_info.audio.enabled = true;
1644
1645         adev->mode_info.audio.num_pins = 7;
1646
1647         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1648                 adev->mode_info.audio.pin[i].channels = -1;
1649                 adev->mode_info.audio.pin[i].rate = -1;
1650                 adev->mode_info.audio.pin[i].bits_per_sample = -1;
1651                 adev->mode_info.audio.pin[i].status_bits = 0;
1652                 adev->mode_info.audio.pin[i].category_code = 0;
1653                 adev->mode_info.audio.pin[i].connected = false;
1654                 adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1655                 adev->mode_info.audio.pin[i].id = i;
1656                 /* disable audio.  it will be set up later */
1657                 /* XXX remove once we switch to ip funcs */
1658                 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1659         }
1660
1661         return 0;
1662 }
1663
1664 static void dce_v11_0_audio_fini(struct amdgpu_device *adev)
1665 {
1666         int i;
1667
1668         if (!adev->mode_info.audio.enabled)
1669                 return;
1670
1671         for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1672                 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1673
1674         adev->mode_info.audio.enabled = false;
1675 }
1676
1677 /*
1678  * update the N and CTS parameters for a given pixel clock rate
1679  */
1680 static void dce_v11_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock)
1681 {
1682         struct drm_device *dev = encoder->dev;
1683         struct amdgpu_device *adev = dev->dev_private;
1684         struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1685         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1686         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1687         u32 tmp;
1688
1689         tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1690         tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1691         WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1692         tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1693         tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1694         WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1695
1696         tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1697         tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1698         WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1699         tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1700         tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1701         WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1702
1703         tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1704         tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1705         WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1706         tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1707         tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1708         WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1709
1710 }
1711
1712 /*
1713  * build a HDMI Video Info Frame
1714  */
1715 static void dce_v11_0_afmt_update_avi_infoframe(struct drm_encoder *encoder,
1716                                                void *buffer, size_t size)
1717 {
1718         struct drm_device *dev = encoder->dev;
1719         struct amdgpu_device *adev = dev->dev_private;
1720         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1721         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1722         uint8_t *frame = buffer + 3;
1723         uint8_t *header = buffer;
1724
1725         WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1726                 frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
1727         WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1728                 frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
1729         WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1730                 frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
1731         WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1732                 frame[0xC] | (frame[0xD] << 8) | (header[1] << 24));
1733 }
1734
1735 static void dce_v11_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1736 {
1737         struct drm_device *dev = encoder->dev;
1738         struct amdgpu_device *adev = dev->dev_private;
1739         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1740         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1741         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1742         u32 dto_phase = 24 * 1000;
1743         u32 dto_modulo = clock;
1744         u32 tmp;
1745
1746         if (!dig || !dig->afmt)
1747                 return;
1748
1749         /* XXX two dtos; generally use dto0 for hdmi */
1750         /* Express [24MHz / target pixel clock] as an exact rational
1751          * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
1752          * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1753          */
1754         tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1755         tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL,
1756                             amdgpu_crtc->crtc_id);
1757         WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1758         WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase);
1759         WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo);
1760 }
1761
1762 /*
1763  * update the info frames with the data from the current display mode
1764  */
1765 static void dce_v11_0_afmt_setmode(struct drm_encoder *encoder,
1766                                   struct drm_display_mode *mode)
1767 {
1768         struct drm_device *dev = encoder->dev;
1769         struct amdgpu_device *adev = dev->dev_private;
1770         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1771         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1772         struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1773         u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1774         struct hdmi_avi_infoframe frame;
1775         ssize_t err;
1776         u32 tmp;
1777         int bpc = 8;
1778
1779         if (!dig || !dig->afmt)
1780                 return;
1781
1782         /* Silent, r600_hdmi_enable will raise WARN for us */
1783         if (!dig->afmt->enabled)
1784                 return;
1785
1786         /* hdmi deep color mode general control packets setup, if bpc > 8 */
1787         if (encoder->crtc) {
1788                 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1789                 bpc = amdgpu_crtc->bpc;
1790         }
1791
1792         /* disable audio prior to setting up hw */
1793         dig->afmt->pin = dce_v11_0_audio_get_pin(adev);
1794         dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1795
1796         dce_v11_0_audio_set_dto(encoder, mode->clock);
1797
1798         tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1799         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1800         WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); /* send null packets when required */
1801
1802         WREG32(mmAFMT_AUDIO_CRC_CONTROL + dig->afmt->offset, 0x1000);
1803
1804         tmp = RREG32(mmHDMI_CONTROL + dig->afmt->offset);
1805         switch (bpc) {
1806         case 0:
1807         case 6:
1808         case 8:
1809         case 16:
1810         default:
1811                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 0);
1812                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0);
1813                 DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n",
1814                           connector->name, bpc);
1815                 break;
1816         case 10:
1817                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1818                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 1);
1819                 DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n",
1820                           connector->name);
1821                 break;
1822         case 12:
1823                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1824                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 2);
1825                 DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n",
1826                           connector->name);
1827                 break;
1828         }
1829         WREG32(mmHDMI_CONTROL + dig->afmt->offset, tmp);
1830
1831         tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1832         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); /* send null packets when required */
1833         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1); /* send general control packets */
1834         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1); /* send general control packets every frame */
1835         WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1836
1837         tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1838         /* enable audio info frames (frames won't be set until audio is enabled) */
1839         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1840         /* required for audio info values to be updated */
1841         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1842         WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1843
1844         tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1845         /* required for audio info values to be updated */
1846         tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1847         WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1848
1849         tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1850         /* anything other than 0 */
1851         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE, 2);
1852         WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1853
1854         WREG32(mmHDMI_GC + dig->afmt->offset, 0); /* unset HDMI_GC_AVMUTE */
1855
1856         tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1857         /* set the default audio delay */
1858         tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1859         /* should be suffient for all audio modes and small enough for all hblanks */
1860         tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1861         WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1862
1863         tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1864         /* allow 60958 channel status fields to be updated */
1865         tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1866         WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1867
1868         tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1869         if (bpc > 8)
1870                 /* clear SW CTS value */
1871                 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 0);
1872         else
1873                 /* select SW CTS value */
1874                 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 1);
1875         /* allow hw to sent ACR packets when required */
1876         tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1877         WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1878
1879         dce_v11_0_afmt_update_ACR(encoder, mode->clock);
1880
1881         tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1882         tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1883         WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1884
1885         tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1886         tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1887         WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1888
1889         tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1890         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1891         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1892         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1893         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1894         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1895         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1896         WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1897
1898         dce_v11_0_audio_write_speaker_allocation(encoder);
1899
1900         WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset,
1901                (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT));
1902
1903         dce_v11_0_afmt_audio_select_pin(encoder);
1904         dce_v11_0_audio_write_sad_regs(encoder);
1905         dce_v11_0_audio_write_latency_fields(encoder, mode);
1906
1907         err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode);
1908         if (err < 0) {
1909                 DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1910                 return;
1911         }
1912
1913         err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1914         if (err < 0) {
1915                 DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1916                 return;
1917         }
1918
1919         dce_v11_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer));
1920
1921         tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1922         /* enable AVI info frames */
1923         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1924         /* required for audio info values to be updated */
1925         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1926         WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1927
1928         tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1929         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1930         WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1931
1932         tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1933         /* send audio packets */
1934         tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1935         WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1936
1937         WREG32(mmAFMT_RAMP_CONTROL0 + dig->afmt->offset, 0x00FFFFFF);
1938         WREG32(mmAFMT_RAMP_CONTROL1 + dig->afmt->offset, 0x007FFFFF);
1939         WREG32(mmAFMT_RAMP_CONTROL2 + dig->afmt->offset, 0x00000001);
1940         WREG32(mmAFMT_RAMP_CONTROL3 + dig->afmt->offset, 0x00000001);
1941
1942         /* enable audio after to setting up hw */
1943         dce_v11_0_audio_enable(adev, dig->afmt->pin, true);
1944 }
1945
1946 static void dce_v11_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1947 {
1948         struct drm_device *dev = encoder->dev;
1949         struct amdgpu_device *adev = dev->dev_private;
1950         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1951         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1952
1953         if (!dig || !dig->afmt)
1954                 return;
1955
1956         /* Silent, r600_hdmi_enable will raise WARN for us */
1957         if (enable && dig->afmt->enabled)
1958                 return;
1959         if (!enable && !dig->afmt->enabled)
1960                 return;
1961
1962         if (!enable && dig->afmt->pin) {
1963                 dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1964                 dig->afmt->pin = NULL;
1965         }
1966
1967         dig->afmt->enabled = enable;
1968
1969         DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1970                   enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1971 }
1972
1973 static void dce_v11_0_afmt_init(struct amdgpu_device *adev)
1974 {
1975         int i;
1976
1977         for (i = 0; i < adev->mode_info.num_dig; i++)
1978                 adev->mode_info.afmt[i] = NULL;
1979
1980         /* DCE11 has audio blocks tied to DIG encoders */
1981         for (i = 0; i < adev->mode_info.num_dig; i++) {
1982                 adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1983                 if (adev->mode_info.afmt[i]) {
1984                         adev->mode_info.afmt[i]->offset = dig_offsets[i];
1985                         adev->mode_info.afmt[i]->id = i;
1986                 }
1987         }
1988 }
1989
1990 static void dce_v11_0_afmt_fini(struct amdgpu_device *adev)
1991 {
1992         int i;
1993
1994         for (i = 0; i < adev->mode_info.num_dig; i++) {
1995                 kfree(adev->mode_info.afmt[i]);
1996                 adev->mode_info.afmt[i] = NULL;
1997         }
1998 }
1999
2000 static const u32 vga_control_regs[6] =
2001 {
2002         mmD1VGA_CONTROL,
2003         mmD2VGA_CONTROL,
2004         mmD3VGA_CONTROL,
2005         mmD4VGA_CONTROL,
2006         mmD5VGA_CONTROL,
2007         mmD6VGA_CONTROL,
2008 };
2009
2010 static void dce_v11_0_vga_enable(struct drm_crtc *crtc, bool enable)
2011 {
2012         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2013         struct drm_device *dev = crtc->dev;
2014         struct amdgpu_device *adev = dev->dev_private;
2015         u32 vga_control;
2016
2017         vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
2018         if (enable)
2019                 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1);
2020         else
2021                 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control);
2022 }
2023
2024 static void dce_v11_0_grph_enable(struct drm_crtc *crtc, bool enable)
2025 {
2026         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2027         struct drm_device *dev = crtc->dev;
2028         struct amdgpu_device *adev = dev->dev_private;
2029
2030         if (enable)
2031                 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1);
2032         else
2033                 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0);
2034 }
2035
2036 static int dce_v11_0_crtc_do_set_base(struct drm_crtc *crtc,
2037                                      struct drm_framebuffer *fb,
2038                                      int x, int y, int atomic)
2039 {
2040         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2041         struct drm_device *dev = crtc->dev;
2042         struct amdgpu_device *adev = dev->dev_private;
2043         struct amdgpu_framebuffer *amdgpu_fb;
2044         struct drm_framebuffer *target_fb;
2045         struct drm_gem_object *obj;
2046         struct amdgpu_bo *rbo;
2047         uint64_t fb_location, tiling_flags;
2048         uint32_t fb_format, fb_pitch_pixels;
2049         u32 fb_swap = REG_SET_FIELD(0, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, ENDIAN_NONE);
2050         u32 pipe_config;
2051         u32 tmp, viewport_w, viewport_h;
2052         int r;
2053         bool bypass_lut = false;
2054
2055         /* no fb bound */
2056         if (!atomic && !crtc->primary->fb) {
2057                 DRM_DEBUG_KMS("No FB bound\n");
2058                 return 0;
2059         }
2060
2061         if (atomic) {
2062                 amdgpu_fb = to_amdgpu_framebuffer(fb);
2063                 target_fb = fb;
2064         }
2065         else {
2066                 amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb);
2067                 target_fb = crtc->primary->fb;
2068         }
2069
2070         /* If atomic, assume fb object is pinned & idle & fenced and
2071          * just update base pointers
2072          */
2073         obj = amdgpu_fb->obj;
2074         rbo = gem_to_amdgpu_bo(obj);
2075         r = amdgpu_bo_reserve(rbo, false);
2076         if (unlikely(r != 0))
2077                 return r;
2078
2079         if (atomic)
2080                 fb_location = amdgpu_bo_gpu_offset(rbo);
2081         else {
2082                 r = amdgpu_bo_pin(rbo, AMDGPU_GEM_DOMAIN_VRAM, &fb_location);
2083                 if (unlikely(r != 0)) {
2084                         amdgpu_bo_unreserve(rbo);
2085                         return -EINVAL;
2086                 }
2087         }
2088
2089         amdgpu_bo_get_tiling_flags(rbo, &tiling_flags);
2090         amdgpu_bo_unreserve(rbo);
2091
2092         pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
2093
2094         switch (target_fb->pixel_format) {
2095         case DRM_FORMAT_C8:
2096                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 0);
2097                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2098                 break;
2099         case DRM_FORMAT_XRGB4444:
2100         case DRM_FORMAT_ARGB4444:
2101                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
2102                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 2);
2103 #ifdef __BIG_ENDIAN
2104                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2105                                         ENDIAN_8IN16);
2106 #endif
2107                 break;
2108         case DRM_FORMAT_XRGB1555:
2109         case DRM_FORMAT_ARGB1555:
2110                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
2111                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2112 #ifdef __BIG_ENDIAN
2113                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2114                                         ENDIAN_8IN16);
2115 #endif
2116                 break;
2117         case DRM_FORMAT_BGRX5551:
2118         case DRM_FORMAT_BGRA5551:
2119                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
2120                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 5);
2121 #ifdef __BIG_ENDIAN
2122                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2123                                         ENDIAN_8IN16);
2124 #endif
2125                 break;
2126         case DRM_FORMAT_RGB565:
2127                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
2128                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
2129 #ifdef __BIG_ENDIAN
2130                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2131                                         ENDIAN_8IN16);
2132 #endif
2133                 break;
2134         case DRM_FORMAT_XRGB8888:
2135         case DRM_FORMAT_ARGB8888:
2136                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2137                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2138 #ifdef __BIG_ENDIAN
2139                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2140                                         ENDIAN_8IN32);
2141 #endif
2142                 break;
2143         case DRM_FORMAT_XRGB2101010:
2144         case DRM_FORMAT_ARGB2101010:
2145                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2146                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
2147 #ifdef __BIG_ENDIAN
2148                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2149                                         ENDIAN_8IN32);
2150 #endif
2151                 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2152                 bypass_lut = true;
2153                 break;
2154         case DRM_FORMAT_BGRX1010102:
2155         case DRM_FORMAT_BGRA1010102:
2156                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2157                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 4);
2158 #ifdef __BIG_ENDIAN
2159                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2160                                         ENDIAN_8IN32);
2161 #endif
2162                 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2163                 bypass_lut = true;
2164                 break;
2165         default:
2166                 DRM_ERROR("Unsupported screen format %s\n",
2167                         drm_get_format_name(target_fb->pixel_format));
2168                 return -EINVAL;
2169         }
2170
2171         if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
2172                 unsigned bankw, bankh, mtaspect, tile_split, num_banks;
2173
2174                 bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
2175                 bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
2176                 mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
2177                 tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
2178                 num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
2179
2180                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_NUM_BANKS, num_banks);
2181                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2182                                           ARRAY_2D_TILED_THIN1);
2183                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_TILE_SPLIT,
2184                                           tile_split);
2185                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_WIDTH, bankw);
2186                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_HEIGHT, bankh);
2187                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MACRO_TILE_ASPECT,
2188                                           mtaspect);
2189                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MICRO_TILE_MODE,
2190                                           ADDR_SURF_MICRO_TILING_DISPLAY);
2191         } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
2192                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2193                                           ARRAY_1D_TILED_THIN1);
2194         }
2195
2196         fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_PIPE_CONFIG,
2197                                   pipe_config);
2198
2199         dce_v11_0_vga_enable(crtc, false);
2200
2201         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2202                upper_32_bits(fb_location));
2203         WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2204                upper_32_bits(fb_location));
2205         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2206                (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
2207         WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2208                (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK);
2209         WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
2210         WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
2211
2212         /*
2213          * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
2214          * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
2215          * retain the full precision throughout the pipeline.
2216          */
2217         tmp = RREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset);
2218         if (bypass_lut)
2219                 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 1);
2220         else
2221                 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 0);
2222         WREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset, tmp);
2223
2224         if (bypass_lut)
2225                 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
2226
2227         WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
2228         WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
2229         WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
2230         WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
2231         WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
2232         WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
2233
2234         fb_pitch_pixels = target_fb->pitches[0] / (target_fb->bits_per_pixel / 8);
2235         WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
2236
2237         dce_v11_0_grph_enable(crtc, true);
2238
2239         WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2240                target_fb->height);
2241
2242         x &= ~3;
2243         y &= ~1;
2244         WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2245                (x << 16) | y);
2246         viewport_w = crtc->mode.hdisplay;
2247         viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2248         WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2249                (viewport_w << 16) | viewport_h);
2250
2251         /* pageflip setup */
2252         /* make sure flip is at vb rather than hb */
2253         tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
2254         tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
2255                             GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0);
2256         WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2257
2258         /* set pageflip to happen only at start of vblank interval (front porch) */
2259         WREG32(mmCRTC_MASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 3);
2260
2261         if (!atomic && fb && fb != crtc->primary->fb) {
2262                 amdgpu_fb = to_amdgpu_framebuffer(fb);
2263                 rbo = gem_to_amdgpu_bo(amdgpu_fb->obj);
2264                 r = amdgpu_bo_reserve(rbo, false);
2265                 if (unlikely(r != 0))
2266                         return r;
2267                 amdgpu_bo_unpin(rbo);
2268                 amdgpu_bo_unreserve(rbo);
2269         }
2270
2271         /* Bytes per pixel may have changed */
2272         dce_v11_0_bandwidth_update(adev);
2273
2274         return 0;
2275 }
2276
2277 static void dce_v11_0_set_interleave(struct drm_crtc *crtc,
2278                                      struct drm_display_mode *mode)
2279 {
2280         struct drm_device *dev = crtc->dev;
2281         struct amdgpu_device *adev = dev->dev_private;
2282         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2283         u32 tmp;
2284
2285         tmp = RREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset);
2286         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2287                 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 1);
2288         else
2289                 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 0);
2290         WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, tmp);
2291 }
2292
2293 static void dce_v11_0_crtc_load_lut(struct drm_crtc *crtc)
2294 {
2295         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2296         struct drm_device *dev = crtc->dev;
2297         struct amdgpu_device *adev = dev->dev_private;
2298         int i;
2299         u32 tmp;
2300
2301         DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2302
2303         tmp = RREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2304         tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_GRPH_MODE, 0);
2305         WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2306
2307         tmp = RREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset);
2308         tmp = REG_SET_FIELD(tmp, PRESCALE_GRPH_CONTROL, GRPH_PRESCALE_BYPASS, 1);
2309         WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2310
2311         tmp = RREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2312         tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, GRPH_INPUT_GAMMA_MODE, 0);
2313         WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2314
2315         WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2316
2317         WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2318         WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2319         WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2320
2321         WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2322         WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2323         WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2324
2325         WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2326         WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2327
2328         WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2329         for (i = 0; i < 256; i++) {
2330                 WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2331                        (amdgpu_crtc->lut_r[i] << 20) |
2332                        (amdgpu_crtc->lut_g[i] << 10) |
2333                        (amdgpu_crtc->lut_b[i] << 0));
2334         }
2335
2336         tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2337         tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, GRPH_DEGAMMA_MODE, 0);
2338         tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR_DEGAMMA_MODE, 0);
2339         tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR2_DEGAMMA_MODE, 0);
2340         WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2341
2342         tmp = RREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset);
2343         tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, GRPH_GAMUT_REMAP_MODE, 0);
2344         WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2345
2346         tmp = RREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2347         tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, GRPH_REGAMMA_MODE, 0);
2348         WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2349
2350         tmp = RREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2351         tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_GRPH_MODE, 0);
2352         WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2353
2354         /* XXX match this to the depth of the crtc fmt block, move to modeset? */
2355         WREG32(mmDENORM_CONTROL + amdgpu_crtc->crtc_offset, 0);
2356         /* XXX this only needs to be programmed once per crtc at startup,
2357          * not sure where the best place for it is
2358          */
2359         tmp = RREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset);
2360         tmp = REG_SET_FIELD(tmp, ALPHA_CONTROL, CURSOR_ALPHA_BLND_ENA, 1);
2361         WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2362 }
2363
2364 static int dce_v11_0_pick_dig_encoder(struct drm_encoder *encoder)
2365 {
2366         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2367         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2368
2369         switch (amdgpu_encoder->encoder_id) {
2370         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2371                 if (dig->linkb)
2372                         return 1;
2373                 else
2374                         return 0;
2375                 break;
2376         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2377                 if (dig->linkb)
2378                         return 3;
2379                 else
2380                         return 2;
2381                 break;
2382         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2383                 if (dig->linkb)
2384                         return 5;
2385                 else
2386                         return 4;
2387                 break;
2388         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2389                 return 6;
2390                 break;
2391         default:
2392                 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2393                 return 0;
2394         }
2395 }
2396
2397 /**
2398  * dce_v11_0_pick_pll - Allocate a PPLL for use by the crtc.
2399  *
2400  * @crtc: drm crtc
2401  *
2402  * Returns the PPLL (Pixel PLL) to be used by the crtc.  For DP monitors
2403  * a single PPLL can be used for all DP crtcs/encoders.  For non-DP
2404  * monitors a dedicated PPLL must be used.  If a particular board has
2405  * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2406  * as there is no need to program the PLL itself.  If we are not able to
2407  * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2408  * avoid messing up an existing monitor.
2409  *
2410  * Asic specific PLL information
2411  *
2412  * DCE 10.x
2413  * Tonga
2414  * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP)
2415  * CI
2416  * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
2417  *
2418  */
2419 static u32 dce_v11_0_pick_pll(struct drm_crtc *crtc)
2420 {
2421         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2422         struct drm_device *dev = crtc->dev;
2423         struct amdgpu_device *adev = dev->dev_private;
2424         u32 pll_in_use;
2425         int pll;
2426
2427         if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2428                 if (adev->clock.dp_extclk)
2429                         /* skip PPLL programming if using ext clock */
2430                         return ATOM_PPLL_INVALID;
2431                 else {
2432                         /* use the same PPLL for all DP monitors */
2433                         pll = amdgpu_pll_get_shared_dp_ppll(crtc);
2434                         if (pll != ATOM_PPLL_INVALID)
2435                                 return pll;
2436                 }
2437         } else {
2438                 /* use the same PPLL for all monitors with the same clock */
2439                 pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2440                 if (pll != ATOM_PPLL_INVALID)
2441                         return pll;
2442         }
2443
2444         /* XXX need to determine what plls are available on each DCE11 part */
2445         pll_in_use = amdgpu_pll_get_use_mask(crtc);
2446         if (adev->asic_type == CHIP_CARRIZO) {
2447                 if (!(pll_in_use & (1 << ATOM_PPLL1)))
2448                         return ATOM_PPLL1;
2449                 if (!(pll_in_use & (1 << ATOM_PPLL0)))
2450                         return ATOM_PPLL0;
2451                 DRM_ERROR("unable to allocate a PPLL\n");
2452                 return ATOM_PPLL_INVALID;
2453         } else {
2454                 if (!(pll_in_use & (1 << ATOM_PPLL2)))
2455                         return ATOM_PPLL2;
2456                 if (!(pll_in_use & (1 << ATOM_PPLL1)))
2457                         return ATOM_PPLL1;
2458                 if (!(pll_in_use & (1 << ATOM_PPLL0)))
2459                         return ATOM_PPLL0;
2460                 DRM_ERROR("unable to allocate a PPLL\n");
2461                 return ATOM_PPLL_INVALID;
2462         }
2463         return ATOM_PPLL_INVALID;
2464 }
2465
2466 static void dce_v11_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2467 {
2468         struct amdgpu_device *adev = crtc->dev->dev_private;
2469         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2470         uint32_t cur_lock;
2471
2472         cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2473         if (lock)
2474                 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 1);
2475         else
2476                 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 0);
2477         WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2478 }
2479
2480 static void dce_v11_0_hide_cursor(struct drm_crtc *crtc)
2481 {
2482         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2483         struct amdgpu_device *adev = crtc->dev->dev_private;
2484         u32 tmp;
2485
2486         tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2487         tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0);
2488         WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2489 }
2490
2491 static void dce_v11_0_show_cursor(struct drm_crtc *crtc)
2492 {
2493         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2494         struct amdgpu_device *adev = crtc->dev->dev_private;
2495         u32 tmp;
2496
2497         tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2498         tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1);
2499         tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2);
2500         WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2501 }
2502
2503 static void dce_v11_0_set_cursor(struct drm_crtc *crtc, struct drm_gem_object *obj,
2504                               uint64_t gpu_addr)
2505 {
2506         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2507         struct amdgpu_device *adev = crtc->dev->dev_private;
2508
2509         WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2510                upper_32_bits(gpu_addr));
2511         WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2512                lower_32_bits(gpu_addr));
2513 }
2514
2515 static int dce_v11_0_crtc_cursor_move(struct drm_crtc *crtc,
2516                                      int x, int y)
2517 {
2518         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2519         struct amdgpu_device *adev = crtc->dev->dev_private;
2520         int xorigin = 0, yorigin = 0;
2521
2522         /* avivo cursor are offset into the total surface */
2523         x += crtc->x;
2524         y += crtc->y;
2525         DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2526
2527         if (x < 0) {
2528                 xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2529                 x = 0;
2530         }
2531         if (y < 0) {
2532                 yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2533                 y = 0;
2534         }
2535
2536         dce_v11_0_lock_cursor(crtc, true);
2537         WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2538         WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2539         WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2540                ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2541         dce_v11_0_lock_cursor(crtc, false);
2542
2543         return 0;
2544 }
2545
2546 static int dce_v11_0_crtc_cursor_set(struct drm_crtc *crtc,
2547                                     struct drm_file *file_priv,
2548                                     uint32_t handle,
2549                                     uint32_t width,
2550                                     uint32_t height)
2551 {
2552         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2553         struct drm_gem_object *obj;
2554         struct amdgpu_bo *robj;
2555         uint64_t gpu_addr;
2556         int ret;
2557
2558         if (!handle) {
2559                 /* turn off cursor */
2560                 dce_v11_0_hide_cursor(crtc);
2561                 obj = NULL;
2562                 goto unpin;
2563         }
2564
2565         if ((width > amdgpu_crtc->max_cursor_width) ||
2566             (height > amdgpu_crtc->max_cursor_height)) {
2567                 DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2568                 return -EINVAL;
2569         }
2570
2571         obj = drm_gem_object_lookup(crtc->dev, file_priv, handle);
2572         if (!obj) {
2573                 DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2574                 return -ENOENT;
2575         }
2576
2577         robj = gem_to_amdgpu_bo(obj);
2578         ret = amdgpu_bo_reserve(robj, false);
2579         if (unlikely(ret != 0))
2580                 goto fail;
2581         ret = amdgpu_bo_pin_restricted(robj, AMDGPU_GEM_DOMAIN_VRAM,
2582                                        0, 0, &gpu_addr);
2583         amdgpu_bo_unreserve(robj);
2584         if (ret)
2585                 goto fail;
2586
2587         amdgpu_crtc->cursor_width = width;
2588         amdgpu_crtc->cursor_height = height;
2589
2590         dce_v11_0_lock_cursor(crtc, true);
2591         dce_v11_0_set_cursor(crtc, obj, gpu_addr);
2592         dce_v11_0_show_cursor(crtc);
2593         dce_v11_0_lock_cursor(crtc, false);
2594
2595 unpin:
2596         if (amdgpu_crtc->cursor_bo) {
2597                 robj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2598                 ret = amdgpu_bo_reserve(robj, false);
2599                 if (likely(ret == 0)) {
2600                         amdgpu_bo_unpin(robj);
2601                         amdgpu_bo_unreserve(robj);
2602                 }
2603                 drm_gem_object_unreference_unlocked(amdgpu_crtc->cursor_bo);
2604         }
2605
2606         amdgpu_crtc->cursor_bo = obj;
2607         return 0;
2608 fail:
2609         drm_gem_object_unreference_unlocked(obj);
2610
2611         return ret;
2612 }
2613
2614 static void dce_v11_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2615                                     u16 *blue, uint32_t start, uint32_t size)
2616 {
2617         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2618         int end = (start + size > 256) ? 256 : start + size, i;
2619
2620         /* userspace palettes are always correct as is */
2621         for (i = start; i < end; i++) {
2622                 amdgpu_crtc->lut_r[i] = red[i] >> 6;
2623                 amdgpu_crtc->lut_g[i] = green[i] >> 6;
2624                 amdgpu_crtc->lut_b[i] = blue[i] >> 6;
2625         }
2626         dce_v11_0_crtc_load_lut(crtc);
2627 }
2628
2629 static void dce_v11_0_crtc_destroy(struct drm_crtc *crtc)
2630 {
2631         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2632
2633         drm_crtc_cleanup(crtc);
2634         destroy_workqueue(amdgpu_crtc->pflip_queue);
2635         kfree(amdgpu_crtc);
2636 }
2637
2638 static const struct drm_crtc_funcs dce_v11_0_crtc_funcs = {
2639         .cursor_set = dce_v11_0_crtc_cursor_set,
2640         .cursor_move = dce_v11_0_crtc_cursor_move,
2641         .gamma_set = dce_v11_0_crtc_gamma_set,
2642         .set_config = amdgpu_crtc_set_config,
2643         .destroy = dce_v11_0_crtc_destroy,
2644         .page_flip = amdgpu_crtc_page_flip,
2645 };
2646
2647 static void dce_v11_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2648 {
2649         struct drm_device *dev = crtc->dev;
2650         struct amdgpu_device *adev = dev->dev_private;
2651         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2652         unsigned type;
2653
2654         switch (mode) {
2655         case DRM_MODE_DPMS_ON:
2656                 amdgpu_crtc->enabled = true;
2657                 amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2658                 dce_v11_0_vga_enable(crtc, true);
2659                 amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2660                 dce_v11_0_vga_enable(crtc, false);
2661                 /* Make sure VBLANK and PFLIP interrupts are still enabled */
2662                 type = amdgpu_crtc_idx_to_irq_type(adev, amdgpu_crtc->crtc_id);
2663                 amdgpu_irq_update(adev, &adev->crtc_irq, type);
2664                 amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2665                 drm_vblank_post_modeset(dev, amdgpu_crtc->crtc_id);
2666                 dce_v11_0_crtc_load_lut(crtc);
2667                 break;
2668         case DRM_MODE_DPMS_STANDBY:
2669         case DRM_MODE_DPMS_SUSPEND:
2670         case DRM_MODE_DPMS_OFF:
2671                 drm_vblank_pre_modeset(dev, amdgpu_crtc->crtc_id);
2672                 if (amdgpu_crtc->enabled) {
2673                         dce_v11_0_vga_enable(crtc, true);
2674                         amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2675                         dce_v11_0_vga_enable(crtc, false);
2676                 }
2677                 amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2678                 amdgpu_crtc->enabled = false;
2679                 break;
2680         }
2681         /* adjust pm to dpms */
2682         amdgpu_pm_compute_clocks(adev);
2683 }
2684
2685 static void dce_v11_0_crtc_prepare(struct drm_crtc *crtc)
2686 {
2687         /* disable crtc pair power gating before programming */
2688         amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2689         amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2690         dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2691 }
2692
2693 static void dce_v11_0_crtc_commit(struct drm_crtc *crtc)
2694 {
2695         dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2696         amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2697 }
2698
2699 static void dce_v11_0_crtc_disable(struct drm_crtc *crtc)
2700 {
2701         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2702         struct drm_device *dev = crtc->dev;
2703         struct amdgpu_device *adev = dev->dev_private;
2704         struct amdgpu_atom_ss ss;
2705         int i;
2706
2707         dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2708         if (crtc->primary->fb) {
2709                 int r;
2710                 struct amdgpu_framebuffer *amdgpu_fb;
2711                 struct amdgpu_bo *rbo;
2712
2713                 amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb);
2714                 rbo = gem_to_amdgpu_bo(amdgpu_fb->obj);
2715                 r = amdgpu_bo_reserve(rbo, false);
2716                 if (unlikely(r))
2717                         DRM_ERROR("failed to reserve rbo before unpin\n");
2718                 else {
2719                         amdgpu_bo_unpin(rbo);
2720                         amdgpu_bo_unreserve(rbo);
2721                 }
2722         }
2723         /* disable the GRPH */
2724         dce_v11_0_grph_enable(crtc, false);
2725
2726         amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2727
2728         for (i = 0; i < adev->mode_info.num_crtc; i++) {
2729                 if (adev->mode_info.crtcs[i] &&
2730                     adev->mode_info.crtcs[i]->enabled &&
2731                     i != amdgpu_crtc->crtc_id &&
2732                     amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2733                         /* one other crtc is using this pll don't turn
2734                          * off the pll
2735                          */
2736                         goto done;
2737                 }
2738         }
2739
2740         switch (amdgpu_crtc->pll_id) {
2741         case ATOM_PPLL0:
2742         case ATOM_PPLL1:
2743         case ATOM_PPLL2:
2744                 /* disable the ppll */
2745                 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2746                                           0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2747                 break;
2748         default:
2749                 break;
2750         }
2751 done:
2752         amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2753         amdgpu_crtc->adjusted_clock = 0;
2754         amdgpu_crtc->encoder = NULL;
2755         amdgpu_crtc->connector = NULL;
2756 }
2757
2758 static int dce_v11_0_crtc_mode_set(struct drm_crtc *crtc,
2759                                   struct drm_display_mode *mode,
2760                                   struct drm_display_mode *adjusted_mode,
2761                                   int x, int y, struct drm_framebuffer *old_fb)
2762 {
2763         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2764
2765         if (!amdgpu_crtc->adjusted_clock)
2766                 return -EINVAL;
2767
2768         amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2769         amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2770         dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2771         amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2772         amdgpu_atombios_crtc_scaler_setup(crtc);
2773         /* update the hw version fpr dpm */
2774         amdgpu_crtc->hw_mode = *adjusted_mode;
2775
2776         return 0;
2777 }
2778
2779 static bool dce_v11_0_crtc_mode_fixup(struct drm_crtc *crtc,
2780                                      const struct drm_display_mode *mode,
2781                                      struct drm_display_mode *adjusted_mode)
2782 {
2783         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2784         struct drm_device *dev = crtc->dev;
2785         struct drm_encoder *encoder;
2786
2787         /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2788         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2789                 if (encoder->crtc == crtc) {
2790                         amdgpu_crtc->encoder = encoder;
2791                         amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2792                         break;
2793                 }
2794         }
2795         if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2796                 amdgpu_crtc->encoder = NULL;
2797                 amdgpu_crtc->connector = NULL;
2798                 return false;
2799         }
2800         if (!amdgpu_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2801                 return false;
2802         if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2803                 return false;
2804         /* pick pll */
2805         amdgpu_crtc->pll_id = dce_v11_0_pick_pll(crtc);
2806         /* if we can't get a PPLL for a non-DP encoder, fail */
2807         if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2808             !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2809                 return false;
2810
2811         return true;
2812 }
2813
2814 static int dce_v11_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2815                                   struct drm_framebuffer *old_fb)
2816 {
2817         return dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2818 }
2819
2820 static int dce_v11_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2821                                          struct drm_framebuffer *fb,
2822                                          int x, int y, enum mode_set_atomic state)
2823 {
2824        return dce_v11_0_crtc_do_set_base(crtc, fb, x, y, 1);
2825 }
2826
2827 static const struct drm_crtc_helper_funcs dce_v11_0_crtc_helper_funcs = {
2828         .dpms = dce_v11_0_crtc_dpms,
2829         .mode_fixup = dce_v11_0_crtc_mode_fixup,
2830         .mode_set = dce_v11_0_crtc_mode_set,
2831         .mode_set_base = dce_v11_0_crtc_set_base,
2832         .mode_set_base_atomic = dce_v11_0_crtc_set_base_atomic,
2833         .prepare = dce_v11_0_crtc_prepare,
2834         .commit = dce_v11_0_crtc_commit,
2835         .load_lut = dce_v11_0_crtc_load_lut,
2836         .disable = dce_v11_0_crtc_disable,
2837 };
2838
2839 static int dce_v11_0_crtc_init(struct amdgpu_device *adev, int index)
2840 {
2841         struct amdgpu_crtc *amdgpu_crtc;
2842         int i;
2843
2844         amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2845                               (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2846         if (amdgpu_crtc == NULL)
2847                 return -ENOMEM;
2848
2849         drm_crtc_init(adev->ddev, &amdgpu_crtc->base, &dce_v11_0_crtc_funcs);
2850
2851         drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2852         amdgpu_crtc->crtc_id = index;
2853         amdgpu_crtc->pflip_queue = create_singlethread_workqueue("amdgpu-pageflip-queue");
2854         adev->mode_info.crtcs[index] = amdgpu_crtc;
2855
2856         amdgpu_crtc->max_cursor_width = 128;
2857         amdgpu_crtc->max_cursor_height = 128;
2858         adev->ddev->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2859         adev->ddev->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2860
2861         for (i = 0; i < 256; i++) {
2862                 amdgpu_crtc->lut_r[i] = i << 2;
2863                 amdgpu_crtc->lut_g[i] = i << 2;
2864                 amdgpu_crtc->lut_b[i] = i << 2;
2865         }
2866
2867         switch (amdgpu_crtc->crtc_id) {
2868         case 0:
2869         default:
2870                 amdgpu_crtc->crtc_offset = CRTC0_REGISTER_OFFSET;
2871                 break;
2872         case 1:
2873                 amdgpu_crtc->crtc_offset = CRTC1_REGISTER_OFFSET;
2874                 break;
2875         case 2:
2876                 amdgpu_crtc->crtc_offset = CRTC2_REGISTER_OFFSET;
2877                 break;
2878         case 3:
2879                 amdgpu_crtc->crtc_offset = CRTC3_REGISTER_OFFSET;
2880                 break;
2881         case 4:
2882                 amdgpu_crtc->crtc_offset = CRTC4_REGISTER_OFFSET;
2883                 break;
2884         case 5:
2885                 amdgpu_crtc->crtc_offset = CRTC5_REGISTER_OFFSET;
2886                 break;
2887         }
2888
2889         amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2890         amdgpu_crtc->adjusted_clock = 0;
2891         amdgpu_crtc->encoder = NULL;
2892         amdgpu_crtc->connector = NULL;
2893         drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v11_0_crtc_helper_funcs);
2894
2895         return 0;
2896 }
2897
2898 static int dce_v11_0_early_init(void *handle)
2899 {
2900         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2901
2902         adev->audio_endpt_rreg = &dce_v11_0_audio_endpt_rreg;
2903         adev->audio_endpt_wreg = &dce_v11_0_audio_endpt_wreg;
2904
2905         dce_v11_0_set_display_funcs(adev);
2906         dce_v11_0_set_irq_funcs(adev);
2907
2908         switch (adev->asic_type) {
2909         case CHIP_CARRIZO:
2910                 adev->mode_info.num_crtc = 3;
2911                 adev->mode_info.num_hpd = 6;
2912                 adev->mode_info.num_dig = 9;
2913                 break;
2914         default:
2915                 /* FIXME: not supported yet */
2916                 return -EINVAL;
2917         }
2918
2919         return 0;
2920 }
2921
2922 static int dce_v11_0_sw_init(void *handle)
2923 {
2924         int r, i;
2925         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2926
2927         for (i = 0; i < adev->mode_info.num_crtc; i++) {
2928                 r = amdgpu_irq_add_id(adev, i + 1, &adev->crtc_irq);
2929                 if (r)
2930                 return r;
2931         }
2932
2933         for (i = 8; i < 20; i += 2) {
2934                 r = amdgpu_irq_add_id(adev, i, &adev->pageflip_irq);
2935                 if (r)
2936                         return r;
2937         }
2938
2939         /* HPD hotplug */
2940         r = amdgpu_irq_add_id(adev, 42, &adev->hpd_irq);
2941         if (r)
2942         return r;
2943
2944         adev->mode_info.mode_config_initialized = true;
2945
2946         adev->ddev->mode_config.funcs = &amdgpu_mode_funcs;
2947
2948         adev->ddev->mode_config.max_width = 16384;
2949         adev->ddev->mode_config.max_height = 16384;
2950
2951         adev->ddev->mode_config.preferred_depth = 24;
2952         adev->ddev->mode_config.prefer_shadow = 1;
2953
2954         adev->ddev->mode_config.fb_base = adev->mc.aper_base;
2955
2956         r = amdgpu_modeset_create_props(adev);
2957         if (r)
2958                 return r;
2959
2960         adev->ddev->mode_config.max_width = 16384;
2961         adev->ddev->mode_config.max_height = 16384;
2962
2963         /* allocate crtcs */
2964         for (i = 0; i < adev->mode_info.num_crtc; i++) {
2965                 r = dce_v11_0_crtc_init(adev, i);
2966                 if (r)
2967                         return r;
2968         }
2969
2970         if (amdgpu_atombios_get_connector_info_from_object_table(adev))
2971                 amdgpu_print_display_setup(adev->ddev);
2972         else
2973                 return -EINVAL;
2974
2975         /* setup afmt */
2976         dce_v11_0_afmt_init(adev);
2977
2978         r = dce_v11_0_audio_init(adev);
2979         if (r)
2980                 return r;
2981
2982         drm_kms_helper_poll_init(adev->ddev);
2983
2984         return r;
2985 }
2986
2987 static int dce_v11_0_sw_fini(void *handle)
2988 {
2989         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2990
2991         kfree(adev->mode_info.bios_hardcoded_edid);
2992
2993         drm_kms_helper_poll_fini(adev->ddev);
2994
2995         dce_v11_0_audio_fini(adev);
2996
2997         dce_v11_0_afmt_fini(adev);
2998
2999         adev->mode_info.mode_config_initialized = false;
3000
3001         return 0;
3002 }
3003
3004 static int dce_v11_0_hw_init(void *handle)
3005 {
3006         int i;
3007         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3008
3009         dce_v11_0_init_golden_registers(adev);
3010
3011         /* init dig PHYs, disp eng pll */
3012         amdgpu_atombios_encoder_init_dig(adev);
3013         amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
3014
3015         /* initialize hpd */
3016         dce_v11_0_hpd_init(adev);
3017
3018         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3019                 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3020         }
3021
3022         dce_v11_0_pageflip_interrupt_init(adev);
3023
3024         return 0;
3025 }
3026
3027 static int dce_v11_0_hw_fini(void *handle)
3028 {
3029         int i;
3030         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3031
3032         dce_v11_0_hpd_fini(adev);
3033
3034         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3035                 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3036         }
3037
3038         dce_v11_0_pageflip_interrupt_fini(adev);
3039
3040         return 0;
3041 }
3042
3043 static int dce_v11_0_suspend(void *handle)
3044 {
3045         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3046
3047         amdgpu_atombios_scratch_regs_save(adev);
3048
3049         dce_v11_0_hpd_fini(adev);
3050
3051         dce_v11_0_pageflip_interrupt_fini(adev);
3052
3053         return 0;
3054 }
3055
3056 static int dce_v11_0_resume(void *handle)
3057 {
3058         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3059
3060         dce_v11_0_init_golden_registers(adev);
3061
3062         amdgpu_atombios_scratch_regs_restore(adev);
3063
3064         /* init dig PHYs, disp eng pll */
3065         amdgpu_atombios_crtc_powergate_init(adev);
3066         amdgpu_atombios_encoder_init_dig(adev);
3067         amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
3068         /* turn on the BL */
3069         if (adev->mode_info.bl_encoder) {
3070                 u8 bl_level = amdgpu_display_backlight_get_level(adev,
3071                                                                   adev->mode_info.bl_encoder);
3072                 amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
3073                                                     bl_level);
3074         }
3075
3076         /* initialize hpd */
3077         dce_v11_0_hpd_init(adev);
3078
3079         dce_v11_0_pageflip_interrupt_init(adev);
3080
3081         return 0;
3082 }
3083
3084 static bool dce_v11_0_is_idle(void *handle)
3085 {
3086         return true;
3087 }
3088
3089 static int dce_v11_0_wait_for_idle(void *handle)
3090 {
3091         return 0;
3092 }
3093
3094 static void dce_v11_0_print_status(void *handle)
3095 {
3096         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3097
3098         dev_info(adev->dev, "DCE 10.x registers\n");
3099         /* XXX todo */
3100 }
3101
3102 static int dce_v11_0_soft_reset(void *handle)
3103 {
3104         u32 srbm_soft_reset = 0, tmp;
3105         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3106
3107         if (dce_v11_0_is_display_hung(adev))
3108                 srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK;
3109
3110         if (srbm_soft_reset) {
3111                 dce_v11_0_print_status((void *)adev);
3112
3113                 tmp = RREG32(mmSRBM_SOFT_RESET);
3114                 tmp |= srbm_soft_reset;
3115                 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
3116                 WREG32(mmSRBM_SOFT_RESET, tmp);
3117                 tmp = RREG32(mmSRBM_SOFT_RESET);
3118
3119                 udelay(50);
3120
3121                 tmp &= ~srbm_soft_reset;
3122                 WREG32(mmSRBM_SOFT_RESET, tmp);
3123                 tmp = RREG32(mmSRBM_SOFT_RESET);
3124
3125                 /* Wait a little for things to settle down */
3126                 udelay(50);
3127                 dce_v11_0_print_status((void *)adev);
3128         }
3129         return 0;
3130 }
3131
3132 static void dce_v11_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
3133                                                      int crtc,
3134                                                      enum amdgpu_interrupt_state state)
3135 {
3136         u32 lb_interrupt_mask;
3137
3138         if (crtc >= adev->mode_info.num_crtc) {
3139                 DRM_DEBUG("invalid crtc %d\n", crtc);
3140                 return;
3141         }
3142
3143         switch (state) {
3144         case AMDGPU_IRQ_STATE_DISABLE:
3145                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3146                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3147                                                   VBLANK_INTERRUPT_MASK, 0);
3148                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3149                 break;
3150         case AMDGPU_IRQ_STATE_ENABLE:
3151                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3152                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3153                                                   VBLANK_INTERRUPT_MASK, 1);
3154                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3155                 break;
3156         default:
3157                 break;
3158         }
3159 }
3160
3161 static void dce_v11_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
3162                                                     int crtc,
3163                                                     enum amdgpu_interrupt_state state)
3164 {
3165         u32 lb_interrupt_mask;
3166
3167         if (crtc >= adev->mode_info.num_crtc) {
3168                 DRM_DEBUG("invalid crtc %d\n", crtc);
3169                 return;
3170         }
3171
3172         switch (state) {
3173         case AMDGPU_IRQ_STATE_DISABLE:
3174                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3175                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3176                                                   VLINE_INTERRUPT_MASK, 0);
3177                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3178                 break;
3179         case AMDGPU_IRQ_STATE_ENABLE:
3180                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3181                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3182                                                   VLINE_INTERRUPT_MASK, 1);
3183                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3184                 break;
3185         default:
3186                 break;
3187         }
3188 }
3189
3190 static int dce_v11_0_set_hpd_irq_state(struct amdgpu_device *adev,
3191                                         struct amdgpu_irq_src *source,
3192                                         unsigned hpd,
3193                                         enum amdgpu_interrupt_state state)
3194 {
3195         u32 tmp;
3196
3197         if (hpd >= adev->mode_info.num_hpd) {
3198                 DRM_DEBUG("invalid hdp %d\n", hpd);
3199                 return 0;
3200         }
3201
3202         switch (state) {
3203         case AMDGPU_IRQ_STATE_DISABLE:
3204                 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3205                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
3206                 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3207                 break;
3208         case AMDGPU_IRQ_STATE_ENABLE:
3209                 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3210                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 1);
3211                 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3212                 break;
3213         default:
3214                 break;
3215         }
3216
3217         return 0;
3218 }
3219
3220 static int dce_v11_0_set_crtc_irq_state(struct amdgpu_device *adev,
3221                                         struct amdgpu_irq_src *source,
3222                                         unsigned type,
3223                                         enum amdgpu_interrupt_state state)
3224 {
3225         switch (type) {
3226         case AMDGPU_CRTC_IRQ_VBLANK1:
3227                 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 0, state);
3228                 break;
3229         case AMDGPU_CRTC_IRQ_VBLANK2:
3230                 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 1, state);
3231                 break;
3232         case AMDGPU_CRTC_IRQ_VBLANK3:
3233                 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 2, state);
3234                 break;
3235         case AMDGPU_CRTC_IRQ_VBLANK4:
3236                 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 3, state);
3237                 break;
3238         case AMDGPU_CRTC_IRQ_VBLANK5:
3239                 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 4, state);
3240                 break;
3241         case AMDGPU_CRTC_IRQ_VBLANK6:
3242                 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 5, state);
3243                 break;
3244         case AMDGPU_CRTC_IRQ_VLINE1:
3245                 dce_v11_0_set_crtc_vline_interrupt_state(adev, 0, state);
3246                 break;
3247         case AMDGPU_CRTC_IRQ_VLINE2:
3248                 dce_v11_0_set_crtc_vline_interrupt_state(adev, 1, state);
3249                 break;
3250         case AMDGPU_CRTC_IRQ_VLINE3:
3251                 dce_v11_0_set_crtc_vline_interrupt_state(adev, 2, state);
3252                 break;
3253         case AMDGPU_CRTC_IRQ_VLINE4:
3254                 dce_v11_0_set_crtc_vline_interrupt_state(adev, 3, state);
3255                 break;
3256         case AMDGPU_CRTC_IRQ_VLINE5:
3257                 dce_v11_0_set_crtc_vline_interrupt_state(adev, 4, state);
3258                 break;
3259          case AMDGPU_CRTC_IRQ_VLINE6:
3260                 dce_v11_0_set_crtc_vline_interrupt_state(adev, 5, state);
3261                 break;
3262         default:
3263                 break;
3264         }
3265         return 0;
3266 }
3267
3268 static int dce_v11_0_set_pageflip_irq_state(struct amdgpu_device *adev,
3269                                             struct amdgpu_irq_src *src,
3270                                             unsigned type,
3271                                             enum amdgpu_interrupt_state state)
3272 {
3273         u32 reg, reg_block;
3274         /* now deal with page flip IRQ */
3275         switch (type) {
3276                 case AMDGPU_PAGEFLIP_IRQ_D1:
3277                         reg_block = CRTC0_REGISTER_OFFSET;
3278                         break;
3279                 case AMDGPU_PAGEFLIP_IRQ_D2:
3280                         reg_block = CRTC1_REGISTER_OFFSET;
3281                         break;
3282                 case AMDGPU_PAGEFLIP_IRQ_D3:
3283                         reg_block = CRTC2_REGISTER_OFFSET;
3284                         break;
3285                 case AMDGPU_PAGEFLIP_IRQ_D4:
3286                         reg_block = CRTC3_REGISTER_OFFSET;
3287                         break;
3288                 case AMDGPU_PAGEFLIP_IRQ_D5:
3289                         reg_block = CRTC4_REGISTER_OFFSET;
3290                         break;
3291                 case AMDGPU_PAGEFLIP_IRQ_D6:
3292                         reg_block = CRTC5_REGISTER_OFFSET;
3293                         break;
3294                 default:
3295                         DRM_ERROR("invalid pageflip crtc %d\n", type);
3296                         return -EINVAL;
3297         }
3298
3299         reg = RREG32(mmGRPH_INTERRUPT_CONTROL + reg_block);
3300         if (state == AMDGPU_IRQ_STATE_DISABLE)
3301                 WREG32(mmGRPH_INTERRUPT_CONTROL + reg_block, reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3302         else
3303                 WREG32(mmGRPH_INTERRUPT_CONTROL + reg_block, reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3304
3305         return 0;
3306 }
3307
3308 static int dce_v11_0_pageflip_irq(struct amdgpu_device *adev,
3309                                   struct amdgpu_irq_src *source,
3310                                   struct amdgpu_iv_entry *entry)
3311 {
3312         int reg_block;
3313         unsigned long flags;
3314         unsigned crtc_id;
3315         struct amdgpu_crtc *amdgpu_crtc;
3316         struct amdgpu_flip_work *works;
3317
3318         crtc_id = (entry->src_id - 8) >> 1;
3319         amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3320
3321         /* ack the interrupt */
3322         switch(crtc_id){
3323                 case AMDGPU_PAGEFLIP_IRQ_D1:
3324                         reg_block = CRTC0_REGISTER_OFFSET;
3325                         break;
3326                 case AMDGPU_PAGEFLIP_IRQ_D2:
3327                         reg_block = CRTC1_REGISTER_OFFSET;
3328                         break;
3329                 case AMDGPU_PAGEFLIP_IRQ_D3:
3330                         reg_block = CRTC2_REGISTER_OFFSET;
3331                         break;
3332                 case AMDGPU_PAGEFLIP_IRQ_D4:
3333                         reg_block = CRTC3_REGISTER_OFFSET;
3334                         break;
3335                 case AMDGPU_PAGEFLIP_IRQ_D5:
3336                         reg_block = CRTC4_REGISTER_OFFSET;
3337                         break;
3338                 case AMDGPU_PAGEFLIP_IRQ_D6:
3339                         reg_block = CRTC5_REGISTER_OFFSET;
3340                         break;
3341                 default:
3342                         DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3343                         return -EINVAL;
3344         }
3345
3346         if (RREG32(mmGRPH_INTERRUPT_STATUS + reg_block) & GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3347                 WREG32(mmGRPH_INTERRUPT_STATUS + reg_block, GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3348
3349         /* IRQ could occur when in initial stage */
3350         if(amdgpu_crtc == NULL)
3351                 return 0;
3352
3353         spin_lock_irqsave(&adev->ddev->event_lock, flags);
3354         works = amdgpu_crtc->pflip_works;
3355         if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
3356                 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3357                                                  "AMDGPU_FLIP_SUBMITTED(%d)\n",
3358                                                  amdgpu_crtc->pflip_status,
3359                                                  AMDGPU_FLIP_SUBMITTED);
3360                 spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3361                 return 0;
3362         }
3363
3364         /* page flip completed. clean up */
3365         amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3366         amdgpu_crtc->pflip_works = NULL;
3367
3368         /* wakeup usersapce */
3369         if(works->event)
3370                 drm_send_vblank_event(adev->ddev, crtc_id, works->event);
3371
3372         spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3373
3374         drm_vblank_put(adev->ddev, amdgpu_crtc->crtc_id);
3375         queue_work(amdgpu_crtc->pflip_queue, &works->unpin_work);
3376
3377         return 0;
3378 }
3379
3380 static void dce_v11_0_hpd_int_ack(struct amdgpu_device *adev,
3381                                   int hpd)
3382 {
3383         u32 tmp;
3384
3385         if (hpd >= adev->mode_info.num_hpd) {
3386                 DRM_DEBUG("invalid hdp %d\n", hpd);
3387                 return;
3388         }
3389
3390         tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3391         tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_ACK, 1);
3392         WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3393 }
3394
3395 static void dce_v11_0_crtc_vblank_int_ack(struct amdgpu_device *adev,
3396                                           int crtc)
3397 {
3398         u32 tmp;
3399
3400         if (crtc >= adev->mode_info.num_crtc) {
3401                 DRM_DEBUG("invalid crtc %d\n", crtc);
3402                 return;
3403         }
3404
3405         tmp = RREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc]);
3406         tmp = REG_SET_FIELD(tmp, LB_VBLANK_STATUS, VBLANK_ACK, 1);
3407         WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], tmp);
3408 }
3409
3410 static void dce_v11_0_crtc_vline_int_ack(struct amdgpu_device *adev,
3411                                          int crtc)
3412 {
3413         u32 tmp;
3414
3415         if (crtc >= adev->mode_info.num_crtc) {
3416                 DRM_DEBUG("invalid crtc %d\n", crtc);
3417                 return;
3418         }
3419
3420         tmp = RREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc]);
3421         tmp = REG_SET_FIELD(tmp, LB_VLINE_STATUS, VLINE_ACK, 1);
3422         WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], tmp);
3423 }
3424
3425 static int dce_v11_0_crtc_irq(struct amdgpu_device *adev,
3426                                 struct amdgpu_irq_src *source,
3427                                 struct amdgpu_iv_entry *entry)
3428 {
3429         unsigned crtc = entry->src_id - 1;
3430         uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
3431         unsigned irq_type = amdgpu_crtc_idx_to_irq_type(adev, crtc);
3432
3433         switch (entry->src_data) {
3434         case 0: /* vblank */
3435                 if (disp_int & interrupt_status_offsets[crtc].vblank)
3436                         dce_v11_0_crtc_vblank_int_ack(adev, crtc);
3437                 else
3438                         DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3439
3440                 if (amdgpu_irq_enabled(adev, source, irq_type)) {
3441                         drm_handle_vblank(adev->ddev, crtc);
3442                 }
3443                 DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3444
3445                 break;
3446         case 1: /* vline */
3447                 if (disp_int & interrupt_status_offsets[crtc].vline)
3448                         dce_v11_0_crtc_vline_int_ack(adev, crtc);
3449                 else
3450                         DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3451
3452                 DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3453
3454                 break;
3455         default:
3456                 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data);
3457                 break;
3458         }
3459
3460         return 0;
3461 }
3462
3463 static int dce_v11_0_hpd_irq(struct amdgpu_device *adev,
3464                              struct amdgpu_irq_src *source,
3465                              struct amdgpu_iv_entry *entry)
3466 {
3467         uint32_t disp_int, mask;
3468         unsigned hpd;
3469
3470         if (entry->src_data >= adev->mode_info.num_hpd) {
3471                 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data);
3472                 return 0;
3473         }
3474
3475         hpd = entry->src_data;
3476         disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3477         mask = interrupt_status_offsets[hpd].hpd;
3478
3479         if (disp_int & mask) {
3480                 dce_v11_0_hpd_int_ack(adev, hpd);
3481                 schedule_work(&adev->hotplug_work);
3482                 DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3483         }
3484
3485         return 0;
3486 }
3487
3488 static int dce_v11_0_set_clockgating_state(void *handle,
3489                                           enum amd_clockgating_state state)
3490 {
3491         return 0;
3492 }
3493
3494 static int dce_v11_0_set_powergating_state(void *handle,
3495                                           enum amd_powergating_state state)
3496 {
3497         return 0;
3498 }
3499
3500 const struct amd_ip_funcs dce_v11_0_ip_funcs = {
3501         .early_init = dce_v11_0_early_init,
3502         .late_init = NULL,
3503         .sw_init = dce_v11_0_sw_init,
3504         .sw_fini = dce_v11_0_sw_fini,
3505         .hw_init = dce_v11_0_hw_init,
3506         .hw_fini = dce_v11_0_hw_fini,
3507         .suspend = dce_v11_0_suspend,
3508         .resume = dce_v11_0_resume,
3509         .is_idle = dce_v11_0_is_idle,
3510         .wait_for_idle = dce_v11_0_wait_for_idle,
3511         .soft_reset = dce_v11_0_soft_reset,
3512         .print_status = dce_v11_0_print_status,
3513         .set_clockgating_state = dce_v11_0_set_clockgating_state,
3514         .set_powergating_state = dce_v11_0_set_powergating_state,
3515 };
3516
3517 static void
3518 dce_v11_0_encoder_mode_set(struct drm_encoder *encoder,
3519                           struct drm_display_mode *mode,
3520                           struct drm_display_mode *adjusted_mode)
3521 {
3522         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3523
3524         amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3525
3526         /* need to call this here rather than in prepare() since we need some crtc info */
3527         amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3528
3529         /* set scaler clears this on some chips */
3530         dce_v11_0_set_interleave(encoder->crtc, mode);
3531
3532         if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
3533                 dce_v11_0_afmt_enable(encoder, true);
3534                 dce_v11_0_afmt_setmode(encoder, adjusted_mode);
3535         }
3536 }
3537
3538 static void dce_v11_0_encoder_prepare(struct drm_encoder *encoder)
3539 {
3540         struct amdgpu_device *adev = encoder->dev->dev_private;
3541         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3542         struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3543
3544         if ((amdgpu_encoder->active_device &
3545              (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3546             (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3547              ENCODER_OBJECT_ID_NONE)) {
3548                 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3549                 if (dig) {
3550                         dig->dig_encoder = dce_v11_0_pick_dig_encoder(encoder);
3551                         if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3552                                 dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3553                 }
3554         }
3555
3556         amdgpu_atombios_scratch_regs_lock(adev, true);
3557
3558         if (connector) {
3559                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3560
3561                 /* select the clock/data port if it uses a router */
3562                 if (amdgpu_connector->router.cd_valid)
3563                         amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3564
3565                 /* turn eDP panel on for mode set */
3566                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3567                         amdgpu_atombios_encoder_set_edp_panel_power(connector,
3568                                                              ATOM_TRANSMITTER_ACTION_POWER_ON);
3569         }
3570
3571         /* this is needed for the pll/ss setup to work correctly in some cases */
3572         amdgpu_atombios_encoder_set_crtc_source(encoder);
3573         /* set up the FMT blocks */
3574         dce_v11_0_program_fmt(encoder);
3575 }
3576
3577 static void dce_v11_0_encoder_commit(struct drm_encoder *encoder)
3578 {
3579         struct drm_device *dev = encoder->dev;
3580         struct amdgpu_device *adev = dev->dev_private;
3581
3582         /* need to call this here as we need the crtc set up */
3583         amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3584         amdgpu_atombios_scratch_regs_lock(adev, false);
3585 }
3586
3587 static void dce_v11_0_encoder_disable(struct drm_encoder *encoder)
3588 {
3589         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3590         struct amdgpu_encoder_atom_dig *dig;
3591
3592         amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3593
3594         if (amdgpu_atombios_encoder_is_digital(encoder)) {
3595                 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
3596                         dce_v11_0_afmt_enable(encoder, false);
3597                 dig = amdgpu_encoder->enc_priv;
3598                 dig->dig_encoder = -1;
3599         }
3600         amdgpu_encoder->active_device = 0;
3601 }
3602
3603 /* these are handled by the primary encoders */
3604 static void dce_v11_0_ext_prepare(struct drm_encoder *encoder)
3605 {
3606
3607 }
3608
3609 static void dce_v11_0_ext_commit(struct drm_encoder *encoder)
3610 {
3611
3612 }
3613
3614 static void
3615 dce_v11_0_ext_mode_set(struct drm_encoder *encoder,
3616                       struct drm_display_mode *mode,
3617                       struct drm_display_mode *adjusted_mode)
3618 {
3619
3620 }
3621
3622 static void dce_v11_0_ext_disable(struct drm_encoder *encoder)
3623 {
3624
3625 }
3626
3627 static void
3628 dce_v11_0_ext_dpms(struct drm_encoder *encoder, int mode)
3629 {
3630
3631 }
3632
3633 static bool dce_v11_0_ext_mode_fixup(struct drm_encoder *encoder,
3634                                     const struct drm_display_mode *mode,
3635                                     struct drm_display_mode *adjusted_mode)
3636 {
3637         return true;
3638 }
3639
3640 static const struct drm_encoder_helper_funcs dce_v11_0_ext_helper_funcs = {
3641         .dpms = dce_v11_0_ext_dpms,
3642         .mode_fixup = dce_v11_0_ext_mode_fixup,
3643         .prepare = dce_v11_0_ext_prepare,
3644         .mode_set = dce_v11_0_ext_mode_set,
3645         .commit = dce_v11_0_ext_commit,
3646         .disable = dce_v11_0_ext_disable,
3647         /* no detect for TMDS/LVDS yet */
3648 };
3649
3650 static const struct drm_encoder_helper_funcs dce_v11_0_dig_helper_funcs = {
3651         .dpms = amdgpu_atombios_encoder_dpms,
3652         .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3653         .prepare = dce_v11_0_encoder_prepare,
3654         .mode_set = dce_v11_0_encoder_mode_set,
3655         .commit = dce_v11_0_encoder_commit,
3656         .disable = dce_v11_0_encoder_disable,
3657         .detect = amdgpu_atombios_encoder_dig_detect,
3658 };
3659
3660 static const struct drm_encoder_helper_funcs dce_v11_0_dac_helper_funcs = {
3661         .dpms = amdgpu_atombios_encoder_dpms,
3662         .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3663         .prepare = dce_v11_0_encoder_prepare,
3664         .mode_set = dce_v11_0_encoder_mode_set,
3665         .commit = dce_v11_0_encoder_commit,
3666         .detect = amdgpu_atombios_encoder_dac_detect,
3667 };
3668
3669 static void dce_v11_0_encoder_destroy(struct drm_encoder *encoder)
3670 {
3671         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3672         if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3673                 amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3674         kfree(amdgpu_encoder->enc_priv);
3675         drm_encoder_cleanup(encoder);
3676         kfree(amdgpu_encoder);
3677 }
3678
3679 static const struct drm_encoder_funcs dce_v11_0_encoder_funcs = {
3680         .destroy = dce_v11_0_encoder_destroy,
3681 };
3682
3683 static void dce_v11_0_encoder_add(struct amdgpu_device *adev,
3684                                  uint32_t encoder_enum,
3685                                  uint32_t supported_device,
3686                                  u16 caps)
3687 {
3688         struct drm_device *dev = adev->ddev;
3689         struct drm_encoder *encoder;
3690         struct amdgpu_encoder *amdgpu_encoder;
3691
3692         /* see if we already added it */
3693         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3694                 amdgpu_encoder = to_amdgpu_encoder(encoder);
3695                 if (amdgpu_encoder->encoder_enum == encoder_enum) {
3696                         amdgpu_encoder->devices |= supported_device;
3697                         return;
3698                 }
3699
3700         }
3701
3702         /* add a new one */
3703         amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3704         if (!amdgpu_encoder)
3705                 return;
3706
3707         encoder = &amdgpu_encoder->base;
3708         switch (adev->mode_info.num_crtc) {
3709         case 1:
3710                 encoder->possible_crtcs = 0x1;
3711                 break;
3712         case 2:
3713         default:
3714                 encoder->possible_crtcs = 0x3;
3715                 break;
3716         case 4:
3717                 encoder->possible_crtcs = 0xf;
3718                 break;
3719         case 6:
3720                 encoder->possible_crtcs = 0x3f;
3721                 break;
3722         }
3723
3724         amdgpu_encoder->enc_priv = NULL;
3725
3726         amdgpu_encoder->encoder_enum = encoder_enum;
3727         amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3728         amdgpu_encoder->devices = supported_device;
3729         amdgpu_encoder->rmx_type = RMX_OFF;
3730         amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3731         amdgpu_encoder->is_ext_encoder = false;
3732         amdgpu_encoder->caps = caps;
3733
3734         switch (amdgpu_encoder->encoder_id) {
3735         case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3736         case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3737                 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3738                                  DRM_MODE_ENCODER_DAC);
3739                 drm_encoder_helper_add(encoder, &dce_v11_0_dac_helper_funcs);
3740                 break;
3741         case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3742         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3743         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3744         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3745         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3746                 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3747                         amdgpu_encoder->rmx_type = RMX_FULL;
3748                         drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3749                                          DRM_MODE_ENCODER_LVDS);
3750                         amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3751                 } else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3752                         drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3753                                          DRM_MODE_ENCODER_DAC);
3754                         amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3755                 } else {
3756                         drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3757                                          DRM_MODE_ENCODER_TMDS);
3758                         amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3759                 }
3760                 drm_encoder_helper_add(encoder, &dce_v11_0_dig_helper_funcs);
3761                 break;
3762         case ENCODER_OBJECT_ID_SI170B:
3763         case ENCODER_OBJECT_ID_CH7303:
3764         case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3765         case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3766         case ENCODER_OBJECT_ID_TITFP513:
3767         case ENCODER_OBJECT_ID_VT1623:
3768         case ENCODER_OBJECT_ID_HDMI_SI1930:
3769         case ENCODER_OBJECT_ID_TRAVIS:
3770         case ENCODER_OBJECT_ID_NUTMEG:
3771                 /* these are handled by the primary encoders */
3772                 amdgpu_encoder->is_ext_encoder = true;
3773                 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3774                         drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3775                                          DRM_MODE_ENCODER_LVDS);
3776                 else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3777                         drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3778                                          DRM_MODE_ENCODER_DAC);
3779                 else
3780                         drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3781                                          DRM_MODE_ENCODER_TMDS);
3782                 drm_encoder_helper_add(encoder, &dce_v11_0_ext_helper_funcs);
3783                 break;
3784         }
3785 }
3786
3787 static const struct amdgpu_display_funcs dce_v11_0_display_funcs = {
3788         .set_vga_render_state = &dce_v11_0_set_vga_render_state,
3789         .bandwidth_update = &dce_v11_0_bandwidth_update,
3790         .vblank_get_counter = &dce_v11_0_vblank_get_counter,
3791         .vblank_wait = &dce_v11_0_vblank_wait,
3792         .is_display_hung = &dce_v11_0_is_display_hung,
3793         .backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3794         .backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3795         .hpd_sense = &dce_v11_0_hpd_sense,
3796         .hpd_set_polarity = &dce_v11_0_hpd_set_polarity,
3797         .hpd_get_gpio_reg = &dce_v11_0_hpd_get_gpio_reg,
3798         .page_flip = &dce_v11_0_page_flip,
3799         .page_flip_get_scanoutpos = &dce_v11_0_crtc_get_scanoutpos,
3800         .add_encoder = &dce_v11_0_encoder_add,
3801         .add_connector = &amdgpu_connector_add,
3802         .stop_mc_access = &dce_v11_0_stop_mc_access,
3803         .resume_mc_access = &dce_v11_0_resume_mc_access,
3804 };
3805
3806 static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev)
3807 {
3808         if (adev->mode_info.funcs == NULL)
3809                 adev->mode_info.funcs = &dce_v11_0_display_funcs;
3810 }
3811
3812 static const struct amdgpu_irq_src_funcs dce_v11_0_crtc_irq_funcs = {
3813         .set = dce_v11_0_set_crtc_irq_state,
3814         .process = dce_v11_0_crtc_irq,
3815 };
3816
3817 static const struct amdgpu_irq_src_funcs dce_v11_0_pageflip_irq_funcs = {
3818         .set = dce_v11_0_set_pageflip_irq_state,
3819         .process = dce_v11_0_pageflip_irq,
3820 };
3821
3822 static const struct amdgpu_irq_src_funcs dce_v11_0_hpd_irq_funcs = {
3823         .set = dce_v11_0_set_hpd_irq_state,
3824         .process = dce_v11_0_hpd_irq,
3825 };
3826
3827 static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev)
3828 {
3829         adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_LAST;
3830         adev->crtc_irq.funcs = &dce_v11_0_crtc_irq_funcs;
3831
3832         adev->pageflip_irq.num_types = AMDGPU_PAGEFLIP_IRQ_LAST;
3833         adev->pageflip_irq.funcs = &dce_v11_0_pageflip_irq_funcs;
3834
3835         adev->hpd_irq.num_types = AMDGPU_HPD_LAST;
3836         adev->hpd_irq.funcs = &dce_v11_0_hpd_irq_funcs;
3837 }