Merge branch 'drm-next-4.7' of git://people.freedesktop.org/~agd5f/linux into drm...
[cascardo/linux.git] / drivers / gpu / drm / amd / amdgpu / dce_v11_0.c
1 /*
2  * Copyright 2014 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  */
23 #include "drmP.h"
24 #include "amdgpu.h"
25 #include "amdgpu_pm.h"
26 #include "amdgpu_i2c.h"
27 #include "vid.h"
28 #include "atom.h"
29 #include "amdgpu_atombios.h"
30 #include "atombios_crtc.h"
31 #include "atombios_encoders.h"
32 #include "amdgpu_pll.h"
33 #include "amdgpu_connectors.h"
34
35 #include "dce/dce_11_0_d.h"
36 #include "dce/dce_11_0_sh_mask.h"
37 #include "dce/dce_11_0_enum.h"
38 #include "oss/oss_3_0_d.h"
39 #include "oss/oss_3_0_sh_mask.h"
40 #include "gmc/gmc_8_1_d.h"
41 #include "gmc/gmc_8_1_sh_mask.h"
42
43 static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev);
44 static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev);
45
46 static const u32 crtc_offsets[] =
47 {
48         CRTC0_REGISTER_OFFSET,
49         CRTC1_REGISTER_OFFSET,
50         CRTC2_REGISTER_OFFSET,
51         CRTC3_REGISTER_OFFSET,
52         CRTC4_REGISTER_OFFSET,
53         CRTC5_REGISTER_OFFSET,
54         CRTC6_REGISTER_OFFSET
55 };
56
57 static const u32 hpd_offsets[] =
58 {
59         HPD0_REGISTER_OFFSET,
60         HPD1_REGISTER_OFFSET,
61         HPD2_REGISTER_OFFSET,
62         HPD3_REGISTER_OFFSET,
63         HPD4_REGISTER_OFFSET,
64         HPD5_REGISTER_OFFSET
65 };
66
67 static const uint32_t dig_offsets[] = {
68         DIG0_REGISTER_OFFSET,
69         DIG1_REGISTER_OFFSET,
70         DIG2_REGISTER_OFFSET,
71         DIG3_REGISTER_OFFSET,
72         DIG4_REGISTER_OFFSET,
73         DIG5_REGISTER_OFFSET,
74         DIG6_REGISTER_OFFSET,
75         DIG7_REGISTER_OFFSET,
76         DIG8_REGISTER_OFFSET
77 };
78
79 static const struct {
80         uint32_t        reg;
81         uint32_t        vblank;
82         uint32_t        vline;
83         uint32_t        hpd;
84
85 } interrupt_status_offsets[] = { {
86         .reg = mmDISP_INTERRUPT_STATUS,
87         .vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
88         .vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
89         .hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
90 }, {
91         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
92         .vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
93         .vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
94         .hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
95 }, {
96         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
97         .vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
98         .vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
99         .hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
100 }, {
101         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
102         .vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
103         .vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
104         .hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
105 }, {
106         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
107         .vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
108         .vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
109         .hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
110 }, {
111         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
112         .vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
113         .vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
114         .hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
115 } };
116
117 static const u32 cz_golden_settings_a11[] =
118 {
119         mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000,
120         mmFBC_MISC, 0x1f311fff, 0x14300000,
121 };
122
123 static const u32 cz_mgcg_cgcg_init[] =
124 {
125         mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
126         mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
127 };
128
129 static const u32 stoney_golden_settings_a11[] =
130 {
131         mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000,
132         mmFBC_MISC, 0x1f311fff, 0x14302000,
133 };
134
135 static const u32 polaris11_golden_settings_a11[] =
136 {
137         mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
138         mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
139         mmFBC_DEBUG1, 0xffffffff, 0x00000008,
140         mmFBC_MISC, 0x9f313fff, 0x14302008,
141         mmHDMI_CONTROL, 0x313f031f, 0x00000011,
142 };
143
144 static const u32 polaris10_golden_settings_a11[] =
145 {
146         mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
147         mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
148         mmFBC_MISC, 0x9f313fff, 0x14302008,
149         mmHDMI_CONTROL, 0x313f031f, 0x00000011,
150 };
151
152 static void dce_v11_0_init_golden_registers(struct amdgpu_device *adev)
153 {
154         switch (adev->asic_type) {
155         case CHIP_CARRIZO:
156                 amdgpu_program_register_sequence(adev,
157                                                  cz_mgcg_cgcg_init,
158                                                  (const u32)ARRAY_SIZE(cz_mgcg_cgcg_init));
159                 amdgpu_program_register_sequence(adev,
160                                                  cz_golden_settings_a11,
161                                                  (const u32)ARRAY_SIZE(cz_golden_settings_a11));
162                 break;
163         case CHIP_STONEY:
164                 amdgpu_program_register_sequence(adev,
165                                                  stoney_golden_settings_a11,
166                                                  (const u32)ARRAY_SIZE(stoney_golden_settings_a11));
167                 break;
168         case CHIP_POLARIS11:
169                 amdgpu_program_register_sequence(adev,
170                                                  polaris11_golden_settings_a11,
171                                                  (const u32)ARRAY_SIZE(polaris11_golden_settings_a11));
172                 break;
173         case CHIP_POLARIS10:
174                 amdgpu_program_register_sequence(adev,
175                                                  polaris10_golden_settings_a11,
176                                                  (const u32)ARRAY_SIZE(polaris10_golden_settings_a11));
177                 break;
178         default:
179                 break;
180         }
181 }
182
183 static u32 dce_v11_0_audio_endpt_rreg(struct amdgpu_device *adev,
184                                      u32 block_offset, u32 reg)
185 {
186         unsigned long flags;
187         u32 r;
188
189         spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
190         WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
191         r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
192         spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
193
194         return r;
195 }
196
197 static void dce_v11_0_audio_endpt_wreg(struct amdgpu_device *adev,
198                                       u32 block_offset, u32 reg, u32 v)
199 {
200         unsigned long flags;
201
202         spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
203         WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
204         WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
205         spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
206 }
207
208 static bool dce_v11_0_is_in_vblank(struct amdgpu_device *adev, int crtc)
209 {
210         if (RREG32(mmCRTC_STATUS + crtc_offsets[crtc]) &
211                         CRTC_V_BLANK_START_END__CRTC_V_BLANK_START_MASK)
212                 return true;
213         else
214                 return false;
215 }
216
217 static bool dce_v11_0_is_counter_moving(struct amdgpu_device *adev, int crtc)
218 {
219         u32 pos1, pos2;
220
221         pos1 = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
222         pos2 = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
223
224         if (pos1 != pos2)
225                 return true;
226         else
227                 return false;
228 }
229
230 /**
231  * dce_v11_0_vblank_wait - vblank wait asic callback.
232  *
233  * @adev: amdgpu_device pointer
234  * @crtc: crtc to wait for vblank on
235  *
236  * Wait for vblank on the requested crtc (evergreen+).
237  */
238 static void dce_v11_0_vblank_wait(struct amdgpu_device *adev, int crtc)
239 {
240         unsigned i = 100;
241
242         if (crtc < 0 || crtc >= adev->mode_info.num_crtc)
243                 return;
244
245         if (!(RREG32(mmCRTC_CONTROL + crtc_offsets[crtc]) & CRTC_CONTROL__CRTC_MASTER_EN_MASK))
246                 return;
247
248         /* depending on when we hit vblank, we may be close to active; if so,
249          * wait for another frame.
250          */
251         while (dce_v11_0_is_in_vblank(adev, crtc)) {
252                 if (i++ == 100) {
253                         i = 0;
254                         if (!dce_v11_0_is_counter_moving(adev, crtc))
255                                 break;
256                 }
257         }
258
259         while (!dce_v11_0_is_in_vblank(adev, crtc)) {
260                 if (i++ == 100) {
261                         i = 0;
262                         if (!dce_v11_0_is_counter_moving(adev, crtc))
263                                 break;
264                 }
265         }
266 }
267
268 static u32 dce_v11_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
269 {
270         if (crtc < 0 || crtc >= adev->mode_info.num_crtc)
271                 return 0;
272         else
273                 return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
274 }
275
276 static void dce_v11_0_pageflip_interrupt_init(struct amdgpu_device *adev)
277 {
278         unsigned i;
279
280         /* Enable pflip interrupts */
281         for (i = 0; i < adev->mode_info.num_crtc; i++)
282                 amdgpu_irq_get(adev, &adev->pageflip_irq, i);
283 }
284
285 static void dce_v11_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
286 {
287         unsigned i;
288
289         /* Disable pflip interrupts */
290         for (i = 0; i < adev->mode_info.num_crtc; i++)
291                 amdgpu_irq_put(adev, &adev->pageflip_irq, i);
292 }
293
294 /**
295  * dce_v11_0_page_flip - pageflip callback.
296  *
297  * @adev: amdgpu_device pointer
298  * @crtc_id: crtc to cleanup pageflip on
299  * @crtc_base: new address of the crtc (GPU MC address)
300  *
301  * Triggers the actual pageflip by updating the primary
302  * surface base address.
303  */
304 static void dce_v11_0_page_flip(struct amdgpu_device *adev,
305                                 int crtc_id, u64 crtc_base, bool async)
306 {
307         struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
308         u32 tmp;
309
310         /* flip at hsync for async, default is vsync */
311         /* use UPDATE_IMMEDIATE_EN instead for async? */
312         tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
313         tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
314                             GRPH_SURFACE_UPDATE_H_RETRACE_EN, async ? 1 : 0);
315         WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
316         /* update the scanout addresses */
317         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
318                upper_32_bits(crtc_base));
319         /* writing to the low address triggers the update */
320         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
321                lower_32_bits(crtc_base));
322         /* post the write */
323         RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
324 }
325
326 static int dce_v11_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
327                                         u32 *vbl, u32 *position)
328 {
329         if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
330                 return -EINVAL;
331
332         *vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
333         *position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
334
335         return 0;
336 }
337
338 /**
339  * dce_v11_0_hpd_sense - hpd sense callback.
340  *
341  * @adev: amdgpu_device pointer
342  * @hpd: hpd (hotplug detect) pin
343  *
344  * Checks if a digital monitor is connected (evergreen+).
345  * Returns true if connected, false if not connected.
346  */
347 static bool dce_v11_0_hpd_sense(struct amdgpu_device *adev,
348                                enum amdgpu_hpd_id hpd)
349 {
350         int idx;
351         bool connected = false;
352
353         switch (hpd) {
354         case AMDGPU_HPD_1:
355                 idx = 0;
356                 break;
357         case AMDGPU_HPD_2:
358                 idx = 1;
359                 break;
360         case AMDGPU_HPD_3:
361                 idx = 2;
362                 break;
363         case AMDGPU_HPD_4:
364                 idx = 3;
365                 break;
366         case AMDGPU_HPD_5:
367                 idx = 4;
368                 break;
369         case AMDGPU_HPD_6:
370                 idx = 5;
371                 break;
372         default:
373                 return connected;
374         }
375
376         if (RREG32(mmDC_HPD_INT_STATUS + hpd_offsets[idx]) &
377             DC_HPD_INT_STATUS__DC_HPD_SENSE_MASK)
378                 connected = true;
379
380         return connected;
381 }
382
383 /**
384  * dce_v11_0_hpd_set_polarity - hpd set polarity callback.
385  *
386  * @adev: amdgpu_device pointer
387  * @hpd: hpd (hotplug detect) pin
388  *
389  * Set the polarity of the hpd pin (evergreen+).
390  */
391 static void dce_v11_0_hpd_set_polarity(struct amdgpu_device *adev,
392                                       enum amdgpu_hpd_id hpd)
393 {
394         u32 tmp;
395         bool connected = dce_v11_0_hpd_sense(adev, hpd);
396         int idx;
397
398         switch (hpd) {
399         case AMDGPU_HPD_1:
400                 idx = 0;
401                 break;
402         case AMDGPU_HPD_2:
403                 idx = 1;
404                 break;
405         case AMDGPU_HPD_3:
406                 idx = 2;
407                 break;
408         case AMDGPU_HPD_4:
409                 idx = 3;
410                 break;
411         case AMDGPU_HPD_5:
412                 idx = 4;
413                 break;
414         case AMDGPU_HPD_6:
415                 idx = 5;
416                 break;
417         default:
418                 return;
419         }
420
421         tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[idx]);
422         if (connected)
423                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 0);
424         else
425                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 1);
426         WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[idx], tmp);
427 }
428
429 /**
430  * dce_v11_0_hpd_init - hpd setup callback.
431  *
432  * @adev: amdgpu_device pointer
433  *
434  * Setup the hpd pins used by the card (evergreen+).
435  * Enable the pin, set the polarity, and enable the hpd interrupts.
436  */
437 static void dce_v11_0_hpd_init(struct amdgpu_device *adev)
438 {
439         struct drm_device *dev = adev->ddev;
440         struct drm_connector *connector;
441         u32 tmp;
442         int idx;
443
444         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
445                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
446
447                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
448                     connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
449                         /* don't try to enable hpd on eDP or LVDS avoid breaking the
450                          * aux dp channel on imac and help (but not completely fix)
451                          * https://bugzilla.redhat.com/show_bug.cgi?id=726143
452                          * also avoid interrupt storms during dpms.
453                          */
454                         continue;
455                 }
456
457                 switch (amdgpu_connector->hpd.hpd) {
458                 case AMDGPU_HPD_1:
459                         idx = 0;
460                         break;
461                 case AMDGPU_HPD_2:
462                         idx = 1;
463                         break;
464                 case AMDGPU_HPD_3:
465                         idx = 2;
466                         break;
467                 case AMDGPU_HPD_4:
468                         idx = 3;
469                         break;
470                 case AMDGPU_HPD_5:
471                         idx = 4;
472                         break;
473                 case AMDGPU_HPD_6:
474                         idx = 5;
475                         break;
476                 default:
477                         continue;
478                 }
479
480                 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[idx]);
481                 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 1);
482                 WREG32(mmDC_HPD_CONTROL + hpd_offsets[idx], tmp);
483
484                 tmp = RREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[idx]);
485                 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
486                                     DC_HPD_CONNECT_INT_DELAY,
487                                     AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS);
488                 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
489                                     DC_HPD_DISCONNECT_INT_DELAY,
490                                     AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS);
491                 WREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[idx], tmp);
492
493                 dce_v11_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
494                 amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
495         }
496 }
497
498 /**
499  * dce_v11_0_hpd_fini - hpd tear down callback.
500  *
501  * @adev: amdgpu_device pointer
502  *
503  * Tear down the hpd pins used by the card (evergreen+).
504  * Disable the hpd interrupts.
505  */
506 static void dce_v11_0_hpd_fini(struct amdgpu_device *adev)
507 {
508         struct drm_device *dev = adev->ddev;
509         struct drm_connector *connector;
510         u32 tmp;
511         int idx;
512
513         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
514                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
515
516                 switch (amdgpu_connector->hpd.hpd) {
517                 case AMDGPU_HPD_1:
518                         idx = 0;
519                         break;
520                 case AMDGPU_HPD_2:
521                         idx = 1;
522                         break;
523                 case AMDGPU_HPD_3:
524                         idx = 2;
525                         break;
526                 case AMDGPU_HPD_4:
527                         idx = 3;
528                         break;
529                 case AMDGPU_HPD_5:
530                         idx = 4;
531                         break;
532                 case AMDGPU_HPD_6:
533                         idx = 5;
534                         break;
535                 default:
536                         continue;
537                 }
538
539                 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[idx]);
540                 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 0);
541                 WREG32(mmDC_HPD_CONTROL + hpd_offsets[idx], tmp);
542
543                 amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
544         }
545 }
546
547 static u32 dce_v11_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
548 {
549         return mmDC_GPIO_HPD_A;
550 }
551
552 static bool dce_v11_0_is_display_hung(struct amdgpu_device *adev)
553 {
554         u32 crtc_hung = 0;
555         u32 crtc_status[6];
556         u32 i, j, tmp;
557
558         for (i = 0; i < adev->mode_info.num_crtc; i++) {
559                 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
560                 if (REG_GET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN)) {
561                         crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
562                         crtc_hung |= (1 << i);
563                 }
564         }
565
566         for (j = 0; j < 10; j++) {
567                 for (i = 0; i < adev->mode_info.num_crtc; i++) {
568                         if (crtc_hung & (1 << i)) {
569                                 tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
570                                 if (tmp != crtc_status[i])
571                                         crtc_hung &= ~(1 << i);
572                         }
573                 }
574                 if (crtc_hung == 0)
575                         return false;
576                 udelay(100);
577         }
578
579         return true;
580 }
581
582 static void dce_v11_0_stop_mc_access(struct amdgpu_device *adev,
583                                      struct amdgpu_mode_mc_save *save)
584 {
585         u32 crtc_enabled, tmp;
586         int i;
587
588         save->vga_render_control = RREG32(mmVGA_RENDER_CONTROL);
589         save->vga_hdp_control = RREG32(mmVGA_HDP_CONTROL);
590
591         /* disable VGA render */
592         tmp = RREG32(mmVGA_RENDER_CONTROL);
593         tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
594         WREG32(mmVGA_RENDER_CONTROL, tmp);
595
596         /* blank the display controllers */
597         for (i = 0; i < adev->mode_info.num_crtc; i++) {
598                 crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]),
599                                              CRTC_CONTROL, CRTC_MASTER_EN);
600                 if (crtc_enabled) {
601 #if 1
602                         save->crtc_enabled[i] = true;
603                         tmp = RREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i]);
604                         if (REG_GET_FIELD(tmp, CRTC_BLANK_CONTROL, CRTC_BLANK_DATA_EN) == 0) {
605                                 /*it is correct only for RGB ; black is 0*/
606                                 WREG32(mmCRTC_BLANK_DATA_COLOR + crtc_offsets[i], 0);
607                                 tmp = REG_SET_FIELD(tmp, CRTC_BLANK_CONTROL, CRTC_BLANK_DATA_EN, 1);
608                                 WREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
609                         }
610 #else
611                         /* XXX this is a hack to avoid strange behavior with EFI on certain systems */
612                         WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
613                         tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
614                         tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0);
615                         WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
616                         WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
617                         save->crtc_enabled[i] = false;
618                         /* ***** */
619 #endif
620                 } else {
621                         save->crtc_enabled[i] = false;
622                 }
623         }
624 }
625
626 static void dce_v11_0_resume_mc_access(struct amdgpu_device *adev,
627                                        struct amdgpu_mode_mc_save *save)
628 {
629         u32 tmp;
630         int i;
631
632         /* update crtc base addresses */
633         for (i = 0; i < adev->mode_info.num_crtc; i++) {
634                 WREG32(mmGRPH_PRIMARY_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
639                 if (save->crtc_enabled[i]) {
640                         tmp = RREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i]);
641                         tmp = REG_SET_FIELD(tmp, CRTC_BLANK_CONTROL, CRTC_BLANK_DATA_EN, 0);
642                         WREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
643                 }
644         }
645
646         WREG32(mmVGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(adev->mc.vram_start));
647         WREG32(mmVGA_MEMORY_BASE_ADDRESS, lower_32_bits(adev->mc.vram_start));
648
649         /* Unlock vga access */
650         WREG32(mmVGA_HDP_CONTROL, save->vga_hdp_control);
651         mdelay(1);
652         WREG32(mmVGA_RENDER_CONTROL, save->vga_render_control);
653 }
654
655 static void dce_v11_0_set_vga_render_state(struct amdgpu_device *adev,
656                                            bool render)
657 {
658         u32 tmp;
659
660         /* Lockout access through VGA aperture*/
661         tmp = RREG32(mmVGA_HDP_CONTROL);
662         if (render)
663                 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0);
664         else
665                 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
666         WREG32(mmVGA_HDP_CONTROL, tmp);
667
668         /* disable VGA render */
669         tmp = RREG32(mmVGA_RENDER_CONTROL);
670         if (render)
671                 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1);
672         else
673                 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
674         WREG32(mmVGA_RENDER_CONTROL, tmp);
675 }
676
677 static void dce_v11_0_program_fmt(struct drm_encoder *encoder)
678 {
679         struct drm_device *dev = encoder->dev;
680         struct amdgpu_device *adev = dev->dev_private;
681         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
682         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
683         struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
684         int bpc = 0;
685         u32 tmp = 0;
686         enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
687
688         if (connector) {
689                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
690                 bpc = amdgpu_connector_get_monitor_bpc(connector);
691                 dither = amdgpu_connector->dither;
692         }
693
694         /* LVDS/eDP FMT is set up by atom */
695         if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
696                 return;
697
698         /* not needed for analog */
699         if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
700             (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
701                 return;
702
703         if (bpc == 0)
704                 return;
705
706         switch (bpc) {
707         case 6:
708                 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
709                         /* XXX sort out optimal dither settings */
710                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
711                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
712                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
713                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 0);
714                 } else {
715                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
716                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 0);
717                 }
718                 break;
719         case 8:
720                 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
721                         /* XXX sort out optimal dither settings */
722                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
723                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
724                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
725                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
726                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 1);
727                 } else {
728                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
729                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 1);
730                 }
731                 break;
732         case 10:
733                 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
734                         /* XXX sort out optimal dither settings */
735                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
736                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
737                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
738                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
739                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 2);
740                 } else {
741                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
742                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 2);
743                 }
744                 break;
745         default:
746                 /* not needed */
747                 break;
748         }
749
750         WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
751 }
752
753
754 /* display watermark setup */
755 /**
756  * dce_v11_0_line_buffer_adjust - Set up the line buffer
757  *
758  * @adev: amdgpu_device pointer
759  * @amdgpu_crtc: the selected display controller
760  * @mode: the current display mode on the selected display
761  * controller
762  *
763  * Setup up the line buffer allocation for
764  * the selected display controller (CIK).
765  * Returns the line buffer size in pixels.
766  */
767 static u32 dce_v11_0_line_buffer_adjust(struct amdgpu_device *adev,
768                                        struct amdgpu_crtc *amdgpu_crtc,
769                                        struct drm_display_mode *mode)
770 {
771         u32 tmp, buffer_alloc, i, mem_cfg;
772         u32 pipe_offset = amdgpu_crtc->crtc_id;
773         /*
774          * Line Buffer Setup
775          * There are 6 line buffers, one for each display controllers.
776          * There are 3 partitions per LB. Select the number of partitions
777          * to enable based on the display width.  For display widths larger
778          * than 4096, you need use to use 2 display controllers and combine
779          * them using the stereo blender.
780          */
781         if (amdgpu_crtc->base.enabled && mode) {
782                 if (mode->crtc_hdisplay < 1920) {
783                         mem_cfg = 1;
784                         buffer_alloc = 2;
785                 } else if (mode->crtc_hdisplay < 2560) {
786                         mem_cfg = 2;
787                         buffer_alloc = 2;
788                 } else if (mode->crtc_hdisplay < 4096) {
789                         mem_cfg = 0;
790                         buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
791                 } else {
792                         DRM_DEBUG_KMS("Mode too big for LB!\n");
793                         mem_cfg = 0;
794                         buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
795                 }
796         } else {
797                 mem_cfg = 1;
798                 buffer_alloc = 0;
799         }
800
801         tmp = RREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset);
802         tmp = REG_SET_FIELD(tmp, LB_MEMORY_CTRL, LB_MEMORY_CONFIG, mem_cfg);
803         WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset, tmp);
804
805         tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
806         tmp = REG_SET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATED, buffer_alloc);
807         WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset, tmp);
808
809         for (i = 0; i < adev->usec_timeout; i++) {
810                 tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
811                 if (REG_GET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATION_COMPLETED))
812                         break;
813                 udelay(1);
814         }
815
816         if (amdgpu_crtc->base.enabled && mode) {
817                 switch (mem_cfg) {
818                 case 0:
819                 default:
820                         return 4096 * 2;
821                 case 1:
822                         return 1920 * 2;
823                 case 2:
824                         return 2560 * 2;
825                 }
826         }
827
828         /* controller not enabled, so no lb used */
829         return 0;
830 }
831
832 /**
833  * cik_get_number_of_dram_channels - get the number of dram channels
834  *
835  * @adev: amdgpu_device pointer
836  *
837  * Look up the number of video ram channels (CIK).
838  * Used for display watermark bandwidth calculations
839  * Returns the number of dram channels
840  */
841 static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev)
842 {
843         u32 tmp = RREG32(mmMC_SHARED_CHMAP);
844
845         switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
846         case 0:
847         default:
848                 return 1;
849         case 1:
850                 return 2;
851         case 2:
852                 return 4;
853         case 3:
854                 return 8;
855         case 4:
856                 return 3;
857         case 5:
858                 return 6;
859         case 6:
860                 return 10;
861         case 7:
862                 return 12;
863         case 8:
864                 return 16;
865         }
866 }
867
868 struct dce10_wm_params {
869         u32 dram_channels; /* number of dram channels */
870         u32 yclk;          /* bandwidth per dram data pin in kHz */
871         u32 sclk;          /* engine clock in kHz */
872         u32 disp_clk;      /* display clock in kHz */
873         u32 src_width;     /* viewport width */
874         u32 active_time;   /* active display time in ns */
875         u32 blank_time;    /* blank time in ns */
876         bool interlaced;    /* mode is interlaced */
877         fixed20_12 vsc;    /* vertical scale ratio */
878         u32 num_heads;     /* number of active crtcs */
879         u32 bytes_per_pixel; /* bytes per pixel display + overlay */
880         u32 lb_size;       /* line buffer allocated to pipe */
881         u32 vtaps;         /* vertical scaler taps */
882 };
883
884 /**
885  * dce_v11_0_dram_bandwidth - get the dram bandwidth
886  *
887  * @wm: watermark calculation data
888  *
889  * Calculate the raw dram bandwidth (CIK).
890  * Used for display watermark bandwidth calculations
891  * Returns the dram bandwidth in MBytes/s
892  */
893 static u32 dce_v11_0_dram_bandwidth(struct dce10_wm_params *wm)
894 {
895         /* Calculate raw DRAM Bandwidth */
896         fixed20_12 dram_efficiency; /* 0.7 */
897         fixed20_12 yclk, dram_channels, bandwidth;
898         fixed20_12 a;
899
900         a.full = dfixed_const(1000);
901         yclk.full = dfixed_const(wm->yclk);
902         yclk.full = dfixed_div(yclk, a);
903         dram_channels.full = dfixed_const(wm->dram_channels * 4);
904         a.full = dfixed_const(10);
905         dram_efficiency.full = dfixed_const(7);
906         dram_efficiency.full = dfixed_div(dram_efficiency, a);
907         bandwidth.full = dfixed_mul(dram_channels, yclk);
908         bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
909
910         return dfixed_trunc(bandwidth);
911 }
912
913 /**
914  * dce_v11_0_dram_bandwidth_for_display - get the dram bandwidth for display
915  *
916  * @wm: watermark calculation data
917  *
918  * Calculate the dram bandwidth used for display (CIK).
919  * Used for display watermark bandwidth calculations
920  * Returns the dram bandwidth for display in MBytes/s
921  */
922 static u32 dce_v11_0_dram_bandwidth_for_display(struct dce10_wm_params *wm)
923 {
924         /* Calculate DRAM Bandwidth and the part allocated to display. */
925         fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
926         fixed20_12 yclk, dram_channels, bandwidth;
927         fixed20_12 a;
928
929         a.full = dfixed_const(1000);
930         yclk.full = dfixed_const(wm->yclk);
931         yclk.full = dfixed_div(yclk, a);
932         dram_channels.full = dfixed_const(wm->dram_channels * 4);
933         a.full = dfixed_const(10);
934         disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
935         disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
936         bandwidth.full = dfixed_mul(dram_channels, yclk);
937         bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
938
939         return dfixed_trunc(bandwidth);
940 }
941
942 /**
943  * dce_v11_0_data_return_bandwidth - get the data return bandwidth
944  *
945  * @wm: watermark calculation data
946  *
947  * Calculate the data return bandwidth used for display (CIK).
948  * Used for display watermark bandwidth calculations
949  * Returns the data return bandwidth in MBytes/s
950  */
951 static u32 dce_v11_0_data_return_bandwidth(struct dce10_wm_params *wm)
952 {
953         /* Calculate the display Data return Bandwidth */
954         fixed20_12 return_efficiency; /* 0.8 */
955         fixed20_12 sclk, bandwidth;
956         fixed20_12 a;
957
958         a.full = dfixed_const(1000);
959         sclk.full = dfixed_const(wm->sclk);
960         sclk.full = dfixed_div(sclk, a);
961         a.full = dfixed_const(10);
962         return_efficiency.full = dfixed_const(8);
963         return_efficiency.full = dfixed_div(return_efficiency, a);
964         a.full = dfixed_const(32);
965         bandwidth.full = dfixed_mul(a, sclk);
966         bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
967
968         return dfixed_trunc(bandwidth);
969 }
970
971 /**
972  * dce_v11_0_dmif_request_bandwidth - get the dmif bandwidth
973  *
974  * @wm: watermark calculation data
975  *
976  * Calculate the dmif bandwidth used for display (CIK).
977  * Used for display watermark bandwidth calculations
978  * Returns the dmif bandwidth in MBytes/s
979  */
980 static u32 dce_v11_0_dmif_request_bandwidth(struct dce10_wm_params *wm)
981 {
982         /* Calculate the DMIF Request Bandwidth */
983         fixed20_12 disp_clk_request_efficiency; /* 0.8 */
984         fixed20_12 disp_clk, bandwidth;
985         fixed20_12 a, b;
986
987         a.full = dfixed_const(1000);
988         disp_clk.full = dfixed_const(wm->disp_clk);
989         disp_clk.full = dfixed_div(disp_clk, a);
990         a.full = dfixed_const(32);
991         b.full = dfixed_mul(a, disp_clk);
992
993         a.full = dfixed_const(10);
994         disp_clk_request_efficiency.full = dfixed_const(8);
995         disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
996
997         bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
998
999         return dfixed_trunc(bandwidth);
1000 }
1001
1002 /**
1003  * dce_v11_0_available_bandwidth - get the min available bandwidth
1004  *
1005  * @wm: watermark calculation data
1006  *
1007  * Calculate the min available bandwidth used for display (CIK).
1008  * Used for display watermark bandwidth calculations
1009  * Returns the min available bandwidth in MBytes/s
1010  */
1011 static u32 dce_v11_0_available_bandwidth(struct dce10_wm_params *wm)
1012 {
1013         /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
1014         u32 dram_bandwidth = dce_v11_0_dram_bandwidth(wm);
1015         u32 data_return_bandwidth = dce_v11_0_data_return_bandwidth(wm);
1016         u32 dmif_req_bandwidth = dce_v11_0_dmif_request_bandwidth(wm);
1017
1018         return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
1019 }
1020
1021 /**
1022  * dce_v11_0_average_bandwidth - get the average available bandwidth
1023  *
1024  * @wm: watermark calculation data
1025  *
1026  * Calculate the average available bandwidth used for display (CIK).
1027  * Used for display watermark bandwidth calculations
1028  * Returns the average available bandwidth in MBytes/s
1029  */
1030 static u32 dce_v11_0_average_bandwidth(struct dce10_wm_params *wm)
1031 {
1032         /* Calculate the display mode Average Bandwidth
1033          * DisplayMode should contain the source and destination dimensions,
1034          * timing, etc.
1035          */
1036         fixed20_12 bpp;
1037         fixed20_12 line_time;
1038         fixed20_12 src_width;
1039         fixed20_12 bandwidth;
1040         fixed20_12 a;
1041
1042         a.full = dfixed_const(1000);
1043         line_time.full = dfixed_const(wm->active_time + wm->blank_time);
1044         line_time.full = dfixed_div(line_time, a);
1045         bpp.full = dfixed_const(wm->bytes_per_pixel);
1046         src_width.full = dfixed_const(wm->src_width);
1047         bandwidth.full = dfixed_mul(src_width, bpp);
1048         bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
1049         bandwidth.full = dfixed_div(bandwidth, line_time);
1050
1051         return dfixed_trunc(bandwidth);
1052 }
1053
1054 /**
1055  * dce_v11_0_latency_watermark - get the latency watermark
1056  *
1057  * @wm: watermark calculation data
1058  *
1059  * Calculate the latency watermark (CIK).
1060  * Used for display watermark bandwidth calculations
1061  * Returns the latency watermark in ns
1062  */
1063 static u32 dce_v11_0_latency_watermark(struct dce10_wm_params *wm)
1064 {
1065         /* First calculate the latency in ns */
1066         u32 mc_latency = 2000; /* 2000 ns. */
1067         u32 available_bandwidth = dce_v11_0_available_bandwidth(wm);
1068         u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
1069         u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
1070         u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
1071         u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
1072                 (wm->num_heads * cursor_line_pair_return_time);
1073         u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
1074         u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
1075         u32 tmp, dmif_size = 12288;
1076         fixed20_12 a, b, c;
1077
1078         if (wm->num_heads == 0)
1079                 return 0;
1080
1081         a.full = dfixed_const(2);
1082         b.full = dfixed_const(1);
1083         if ((wm->vsc.full > a.full) ||
1084             ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
1085             (wm->vtaps >= 5) ||
1086             ((wm->vsc.full >= a.full) && wm->interlaced))
1087                 max_src_lines_per_dst_line = 4;
1088         else
1089                 max_src_lines_per_dst_line = 2;
1090
1091         a.full = dfixed_const(available_bandwidth);
1092         b.full = dfixed_const(wm->num_heads);
1093         a.full = dfixed_div(a, b);
1094
1095         b.full = dfixed_const(mc_latency + 512);
1096         c.full = dfixed_const(wm->disp_clk);
1097         b.full = dfixed_div(b, c);
1098
1099         c.full = dfixed_const(dmif_size);
1100         b.full = dfixed_div(c, b);
1101
1102         tmp = min(dfixed_trunc(a), dfixed_trunc(b));
1103
1104         b.full = dfixed_const(1000);
1105         c.full = dfixed_const(wm->disp_clk);
1106         b.full = dfixed_div(c, b);
1107         c.full = dfixed_const(wm->bytes_per_pixel);
1108         b.full = dfixed_mul(b, c);
1109
1110         lb_fill_bw = min(tmp, dfixed_trunc(b));
1111
1112         a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
1113         b.full = dfixed_const(1000);
1114         c.full = dfixed_const(lb_fill_bw);
1115         b.full = dfixed_div(c, b);
1116         a.full = dfixed_div(a, b);
1117         line_fill_time = dfixed_trunc(a);
1118
1119         if (line_fill_time < wm->active_time)
1120                 return latency;
1121         else
1122                 return latency + (line_fill_time - wm->active_time);
1123
1124 }
1125
1126 /**
1127  * dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display - check
1128  * average and available dram bandwidth
1129  *
1130  * @wm: watermark calculation data
1131  *
1132  * Check if the display average bandwidth fits in the display
1133  * dram bandwidth (CIK).
1134  * Used for display watermark bandwidth calculations
1135  * Returns true if the display fits, false if not.
1136  */
1137 static bool dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce10_wm_params *wm)
1138 {
1139         if (dce_v11_0_average_bandwidth(wm) <=
1140             (dce_v11_0_dram_bandwidth_for_display(wm) / wm->num_heads))
1141                 return true;
1142         else
1143                 return false;
1144 }
1145
1146 /**
1147  * dce_v11_0_average_bandwidth_vs_available_bandwidth - check
1148  * average and available bandwidth
1149  *
1150  * @wm: watermark calculation data
1151  *
1152  * Check if the display average bandwidth fits in the display
1153  * available bandwidth (CIK).
1154  * Used for display watermark bandwidth calculations
1155  * Returns true if the display fits, false if not.
1156  */
1157 static bool dce_v11_0_average_bandwidth_vs_available_bandwidth(struct dce10_wm_params *wm)
1158 {
1159         if (dce_v11_0_average_bandwidth(wm) <=
1160             (dce_v11_0_available_bandwidth(wm) / wm->num_heads))
1161                 return true;
1162         else
1163                 return false;
1164 }
1165
1166 /**
1167  * dce_v11_0_check_latency_hiding - check latency hiding
1168  *
1169  * @wm: watermark calculation data
1170  *
1171  * Check latency hiding (CIK).
1172  * Used for display watermark bandwidth calculations
1173  * Returns true if the display fits, false if not.
1174  */
1175 static bool dce_v11_0_check_latency_hiding(struct dce10_wm_params *wm)
1176 {
1177         u32 lb_partitions = wm->lb_size / wm->src_width;
1178         u32 line_time = wm->active_time + wm->blank_time;
1179         u32 latency_tolerant_lines;
1180         u32 latency_hiding;
1181         fixed20_12 a;
1182
1183         a.full = dfixed_const(1);
1184         if (wm->vsc.full > a.full)
1185                 latency_tolerant_lines = 1;
1186         else {
1187                 if (lb_partitions <= (wm->vtaps + 1))
1188                         latency_tolerant_lines = 1;
1189                 else
1190                         latency_tolerant_lines = 2;
1191         }
1192
1193         latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
1194
1195         if (dce_v11_0_latency_watermark(wm) <= latency_hiding)
1196                 return true;
1197         else
1198                 return false;
1199 }
1200
1201 /**
1202  * dce_v11_0_program_watermarks - program display watermarks
1203  *
1204  * @adev: amdgpu_device pointer
1205  * @amdgpu_crtc: the selected display controller
1206  * @lb_size: line buffer size
1207  * @num_heads: number of display controllers in use
1208  *
1209  * Calculate and program the display watermarks for the
1210  * selected display controller (CIK).
1211  */
1212 static void dce_v11_0_program_watermarks(struct amdgpu_device *adev,
1213                                         struct amdgpu_crtc *amdgpu_crtc,
1214                                         u32 lb_size, u32 num_heads)
1215 {
1216         struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
1217         struct dce10_wm_params wm_low, wm_high;
1218         u32 pixel_period;
1219         u32 line_time = 0;
1220         u32 latency_watermark_a = 0, latency_watermark_b = 0;
1221         u32 tmp, wm_mask, lb_vblank_lead_lines = 0;
1222
1223         if (amdgpu_crtc->base.enabled && num_heads && mode) {
1224                 pixel_period = 1000000 / (u32)mode->clock;
1225                 line_time = min((u32)mode->crtc_htotal * pixel_period, (u32)65535);
1226
1227                 /* watermark for high clocks */
1228                 if (adev->pm.dpm_enabled) {
1229                         wm_high.yclk =
1230                                 amdgpu_dpm_get_mclk(adev, false) * 10;
1231                         wm_high.sclk =
1232                                 amdgpu_dpm_get_sclk(adev, false) * 10;
1233                 } else {
1234                         wm_high.yclk = adev->pm.current_mclk * 10;
1235                         wm_high.sclk = adev->pm.current_sclk * 10;
1236                 }
1237
1238                 wm_high.disp_clk = mode->clock;
1239                 wm_high.src_width = mode->crtc_hdisplay;
1240                 wm_high.active_time = mode->crtc_hdisplay * pixel_period;
1241                 wm_high.blank_time = line_time - wm_high.active_time;
1242                 wm_high.interlaced = false;
1243                 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1244                         wm_high.interlaced = true;
1245                 wm_high.vsc = amdgpu_crtc->vsc;
1246                 wm_high.vtaps = 1;
1247                 if (amdgpu_crtc->rmx_type != RMX_OFF)
1248                         wm_high.vtaps = 2;
1249                 wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
1250                 wm_high.lb_size = lb_size;
1251                 wm_high.dram_channels = cik_get_number_of_dram_channels(adev);
1252                 wm_high.num_heads = num_heads;
1253
1254                 /* set for high clocks */
1255                 latency_watermark_a = min(dce_v11_0_latency_watermark(&wm_high), (u32)65535);
1256
1257                 /* possibly force display priority to high */
1258                 /* should really do this at mode validation time... */
1259                 if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
1260                     !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
1261                     !dce_v11_0_check_latency_hiding(&wm_high) ||
1262                     (adev->mode_info.disp_priority == 2)) {
1263                         DRM_DEBUG_KMS("force priority to high\n");
1264                 }
1265
1266                 /* watermark for low clocks */
1267                 if (adev->pm.dpm_enabled) {
1268                         wm_low.yclk =
1269                                 amdgpu_dpm_get_mclk(adev, true) * 10;
1270                         wm_low.sclk =
1271                                 amdgpu_dpm_get_sclk(adev, true) * 10;
1272                 } else {
1273                         wm_low.yclk = adev->pm.current_mclk * 10;
1274                         wm_low.sclk = adev->pm.current_sclk * 10;
1275                 }
1276
1277                 wm_low.disp_clk = mode->clock;
1278                 wm_low.src_width = mode->crtc_hdisplay;
1279                 wm_low.active_time = mode->crtc_hdisplay * pixel_period;
1280                 wm_low.blank_time = line_time - wm_low.active_time;
1281                 wm_low.interlaced = false;
1282                 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1283                         wm_low.interlaced = true;
1284                 wm_low.vsc = amdgpu_crtc->vsc;
1285                 wm_low.vtaps = 1;
1286                 if (amdgpu_crtc->rmx_type != RMX_OFF)
1287                         wm_low.vtaps = 2;
1288                 wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
1289                 wm_low.lb_size = lb_size;
1290                 wm_low.dram_channels = cik_get_number_of_dram_channels(adev);
1291                 wm_low.num_heads = num_heads;
1292
1293                 /* set for low clocks */
1294                 latency_watermark_b = min(dce_v11_0_latency_watermark(&wm_low), (u32)65535);
1295
1296                 /* possibly force display priority to high */
1297                 /* should really do this at mode validation time... */
1298                 if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
1299                     !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
1300                     !dce_v11_0_check_latency_hiding(&wm_low) ||
1301                     (adev->mode_info.disp_priority == 2)) {
1302                         DRM_DEBUG_KMS("force priority to high\n");
1303                 }
1304                 lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
1305         }
1306
1307         /* select wm A */
1308         wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset);
1309         tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 1);
1310         WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1311         tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1312         tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_a);
1313         tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1314         WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1315         /* select wm B */
1316         tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 2);
1317         WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1318         tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1319         tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_b);
1320         tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1321         WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1322         /* restore original selection */
1323         WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask);
1324
1325         /* save values for DPM */
1326         amdgpu_crtc->line_time = line_time;
1327         amdgpu_crtc->wm_high = latency_watermark_a;
1328         amdgpu_crtc->wm_low = latency_watermark_b;
1329         /* Save number of lines the linebuffer leads before the scanout */
1330         amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
1331 }
1332
1333 /**
1334  * dce_v11_0_bandwidth_update - program display watermarks
1335  *
1336  * @adev: amdgpu_device pointer
1337  *
1338  * Calculate and program the display watermarks and line
1339  * buffer allocation (CIK).
1340  */
1341 static void dce_v11_0_bandwidth_update(struct amdgpu_device *adev)
1342 {
1343         struct drm_display_mode *mode = NULL;
1344         u32 num_heads = 0, lb_size;
1345         int i;
1346
1347         amdgpu_update_display_priority(adev);
1348
1349         for (i = 0; i < adev->mode_info.num_crtc; i++) {
1350                 if (adev->mode_info.crtcs[i]->base.enabled)
1351                         num_heads++;
1352         }
1353         for (i = 0; i < adev->mode_info.num_crtc; i++) {
1354                 mode = &adev->mode_info.crtcs[i]->base.mode;
1355                 lb_size = dce_v11_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode);
1356                 dce_v11_0_program_watermarks(adev, adev->mode_info.crtcs[i],
1357                                             lb_size, num_heads);
1358         }
1359 }
1360
1361 static void dce_v11_0_audio_get_connected_pins(struct amdgpu_device *adev)
1362 {
1363         int i;
1364         u32 offset, tmp;
1365
1366         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1367                 offset = adev->mode_info.audio.pin[i].offset;
1368                 tmp = RREG32_AUDIO_ENDPT(offset,
1369                                          ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1370                 if (((tmp &
1371                 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >>
1372                 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1)
1373                         adev->mode_info.audio.pin[i].connected = false;
1374                 else
1375                         adev->mode_info.audio.pin[i].connected = true;
1376         }
1377 }
1378
1379 static struct amdgpu_audio_pin *dce_v11_0_audio_get_pin(struct amdgpu_device *adev)
1380 {
1381         int i;
1382
1383         dce_v11_0_audio_get_connected_pins(adev);
1384
1385         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1386                 if (adev->mode_info.audio.pin[i].connected)
1387                         return &adev->mode_info.audio.pin[i];
1388         }
1389         DRM_ERROR("No connected audio pins found!\n");
1390         return NULL;
1391 }
1392
1393 static void dce_v11_0_afmt_audio_select_pin(struct drm_encoder *encoder)
1394 {
1395         struct amdgpu_device *adev = encoder->dev->dev_private;
1396         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1397         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1398         u32 tmp;
1399
1400         if (!dig || !dig->afmt || !dig->afmt->pin)
1401                 return;
1402
1403         tmp = RREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset);
1404         tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT, dig->afmt->pin->id);
1405         WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, tmp);
1406 }
1407
1408 static void dce_v11_0_audio_write_latency_fields(struct drm_encoder *encoder,
1409                                                 struct drm_display_mode *mode)
1410 {
1411         struct amdgpu_device *adev = encoder->dev->dev_private;
1412         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1413         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1414         struct drm_connector *connector;
1415         struct amdgpu_connector *amdgpu_connector = NULL;
1416         u32 tmp;
1417         int interlace = 0;
1418
1419         if (!dig || !dig->afmt || !dig->afmt->pin)
1420                 return;
1421
1422         list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1423                 if (connector->encoder == encoder) {
1424                         amdgpu_connector = to_amdgpu_connector(connector);
1425                         break;
1426                 }
1427         }
1428
1429         if (!amdgpu_connector) {
1430                 DRM_ERROR("Couldn't find encoder's connector\n");
1431                 return;
1432         }
1433
1434         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1435                 interlace = 1;
1436         if (connector->latency_present[interlace]) {
1437                 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1438                                     VIDEO_LIPSYNC, connector->video_latency[interlace]);
1439                 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1440                                     AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1441         } else {
1442                 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1443                                     VIDEO_LIPSYNC, 0);
1444                 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1445                                     AUDIO_LIPSYNC, 0);
1446         }
1447         WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1448                            ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1449 }
1450
1451 static void dce_v11_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1452 {
1453         struct amdgpu_device *adev = encoder->dev->dev_private;
1454         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1455         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1456         struct drm_connector *connector;
1457         struct amdgpu_connector *amdgpu_connector = NULL;
1458         u32 tmp;
1459         u8 *sadb = NULL;
1460         int sad_count;
1461
1462         if (!dig || !dig->afmt || !dig->afmt->pin)
1463                 return;
1464
1465         list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1466                 if (connector->encoder == encoder) {
1467                         amdgpu_connector = to_amdgpu_connector(connector);
1468                         break;
1469                 }
1470         }
1471
1472         if (!amdgpu_connector) {
1473                 DRM_ERROR("Couldn't find encoder's connector\n");
1474                 return;
1475         }
1476
1477         sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
1478         if (sad_count < 0) {
1479                 DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1480                 sad_count = 0;
1481         }
1482
1483         /* program the speaker allocation */
1484         tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1485                                  ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1486         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1487                             DP_CONNECTION, 0);
1488         /* set HDMI mode */
1489         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1490                             HDMI_CONNECTION, 1);
1491         if (sad_count)
1492                 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1493                                     SPEAKER_ALLOCATION, sadb[0]);
1494         else
1495                 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1496                                     SPEAKER_ALLOCATION, 5); /* stereo */
1497         WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1498                            ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1499
1500         kfree(sadb);
1501 }
1502
1503 static void dce_v11_0_audio_write_sad_regs(struct drm_encoder *encoder)
1504 {
1505         struct amdgpu_device *adev = encoder->dev->dev_private;
1506         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1507         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1508         struct drm_connector *connector;
1509         struct amdgpu_connector *amdgpu_connector = NULL;
1510         struct cea_sad *sads;
1511         int i, sad_count;
1512
1513         static const u16 eld_reg_to_type[][2] = {
1514                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1515                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1516                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1517                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1518                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1519                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1520                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1521                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1522                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1523                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1524                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1525                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1526         };
1527
1528         if (!dig || !dig->afmt || !dig->afmt->pin)
1529                 return;
1530
1531         list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1532                 if (connector->encoder == encoder) {
1533                         amdgpu_connector = to_amdgpu_connector(connector);
1534                         break;
1535                 }
1536         }
1537
1538         if (!amdgpu_connector) {
1539                 DRM_ERROR("Couldn't find encoder's connector\n");
1540                 return;
1541         }
1542
1543         sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
1544         if (sad_count <= 0) {
1545                 DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1546                 return;
1547         }
1548         BUG_ON(!sads);
1549
1550         for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1551                 u32 tmp = 0;
1552                 u8 stereo_freqs = 0;
1553                 int max_channels = -1;
1554                 int j;
1555
1556                 for (j = 0; j < sad_count; j++) {
1557                         struct cea_sad *sad = &sads[j];
1558
1559                         if (sad->format == eld_reg_to_type[i][1]) {
1560                                 if (sad->channels > max_channels) {
1561                                         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1562                                                             MAX_CHANNELS, sad->channels);
1563                                         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1564                                                             DESCRIPTOR_BYTE_2, sad->byte2);
1565                                         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1566                                                             SUPPORTED_FREQUENCIES, sad->freq);
1567                                         max_channels = sad->channels;
1568                                 }
1569
1570                                 if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1571                                         stereo_freqs |= sad->freq;
1572                                 else
1573                                         break;
1574                         }
1575                 }
1576
1577                 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1578                                     SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1579                 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1580         }
1581
1582         kfree(sads);
1583 }
1584
1585 static void dce_v11_0_audio_enable(struct amdgpu_device *adev,
1586                                   struct amdgpu_audio_pin *pin,
1587                                   bool enable)
1588 {
1589         if (!pin)
1590                 return;
1591
1592         WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1593                            enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1594 }
1595
1596 static const u32 pin_offsets[] =
1597 {
1598         AUD0_REGISTER_OFFSET,
1599         AUD1_REGISTER_OFFSET,
1600         AUD2_REGISTER_OFFSET,
1601         AUD3_REGISTER_OFFSET,
1602         AUD4_REGISTER_OFFSET,
1603         AUD5_REGISTER_OFFSET,
1604         AUD6_REGISTER_OFFSET,
1605         AUD7_REGISTER_OFFSET,
1606 };
1607
1608 static int dce_v11_0_audio_init(struct amdgpu_device *adev)
1609 {
1610         int i;
1611
1612         if (!amdgpu_audio)
1613                 return 0;
1614
1615         adev->mode_info.audio.enabled = true;
1616
1617         switch (adev->asic_type) {
1618         case CHIP_CARRIZO:
1619         case CHIP_STONEY:
1620                 adev->mode_info.audio.num_pins = 7;
1621                 break;
1622         case CHIP_POLARIS10:
1623                 adev->mode_info.audio.num_pins = 8;
1624                 break;
1625         case CHIP_POLARIS11:
1626                 adev->mode_info.audio.num_pins = 6;
1627                 break;
1628         default:
1629                 return -EINVAL;
1630         }
1631
1632         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1633                 adev->mode_info.audio.pin[i].channels = -1;
1634                 adev->mode_info.audio.pin[i].rate = -1;
1635                 adev->mode_info.audio.pin[i].bits_per_sample = -1;
1636                 adev->mode_info.audio.pin[i].status_bits = 0;
1637                 adev->mode_info.audio.pin[i].category_code = 0;
1638                 adev->mode_info.audio.pin[i].connected = false;
1639                 adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1640                 adev->mode_info.audio.pin[i].id = i;
1641                 /* disable audio.  it will be set up later */
1642                 /* XXX remove once we switch to ip funcs */
1643                 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1644         }
1645
1646         return 0;
1647 }
1648
1649 static void dce_v11_0_audio_fini(struct amdgpu_device *adev)
1650 {
1651         int i;
1652
1653         if (!amdgpu_audio)
1654                 return;
1655
1656         if (!adev->mode_info.audio.enabled)
1657                 return;
1658
1659         for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1660                 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1661
1662         adev->mode_info.audio.enabled = false;
1663 }
1664
1665 /*
1666  * update the N and CTS parameters for a given pixel clock rate
1667  */
1668 static void dce_v11_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock)
1669 {
1670         struct drm_device *dev = encoder->dev;
1671         struct amdgpu_device *adev = dev->dev_private;
1672         struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1673         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1674         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1675         u32 tmp;
1676
1677         tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1678         tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1679         WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1680         tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1681         tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1682         WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1683
1684         tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1685         tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1686         WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1687         tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1688         tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1689         WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1690
1691         tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1692         tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1693         WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1694         tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1695         tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1696         WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1697
1698 }
1699
1700 /*
1701  * build a HDMI Video Info Frame
1702  */
1703 static void dce_v11_0_afmt_update_avi_infoframe(struct drm_encoder *encoder,
1704                                                void *buffer, size_t size)
1705 {
1706         struct drm_device *dev = encoder->dev;
1707         struct amdgpu_device *adev = dev->dev_private;
1708         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1709         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1710         uint8_t *frame = buffer + 3;
1711         uint8_t *header = buffer;
1712
1713         WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1714                 frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
1715         WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1716                 frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
1717         WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1718                 frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
1719         WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1720                 frame[0xC] | (frame[0xD] << 8) | (header[1] << 24));
1721 }
1722
1723 static void dce_v11_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1724 {
1725         struct drm_device *dev = encoder->dev;
1726         struct amdgpu_device *adev = dev->dev_private;
1727         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1728         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1729         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1730         u32 dto_phase = 24 * 1000;
1731         u32 dto_modulo = clock;
1732         u32 tmp;
1733
1734         if (!dig || !dig->afmt)
1735                 return;
1736
1737         /* XXX two dtos; generally use dto0 for hdmi */
1738         /* Express [24MHz / target pixel clock] as an exact rational
1739          * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
1740          * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1741          */
1742         tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1743         tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL,
1744                             amdgpu_crtc->crtc_id);
1745         WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1746         WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase);
1747         WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo);
1748 }
1749
1750 /*
1751  * update the info frames with the data from the current display mode
1752  */
1753 static void dce_v11_0_afmt_setmode(struct drm_encoder *encoder,
1754                                   struct drm_display_mode *mode)
1755 {
1756         struct drm_device *dev = encoder->dev;
1757         struct amdgpu_device *adev = dev->dev_private;
1758         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1759         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1760         struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1761         u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1762         struct hdmi_avi_infoframe frame;
1763         ssize_t err;
1764         u32 tmp;
1765         int bpc = 8;
1766
1767         if (!dig || !dig->afmt)
1768                 return;
1769
1770         /* Silent, r600_hdmi_enable will raise WARN for us */
1771         if (!dig->afmt->enabled)
1772                 return;
1773
1774         /* hdmi deep color mode general control packets setup, if bpc > 8 */
1775         if (encoder->crtc) {
1776                 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1777                 bpc = amdgpu_crtc->bpc;
1778         }
1779
1780         /* disable audio prior to setting up hw */
1781         dig->afmt->pin = dce_v11_0_audio_get_pin(adev);
1782         dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1783
1784         dce_v11_0_audio_set_dto(encoder, mode->clock);
1785
1786         tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1787         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1788         WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); /* send null packets when required */
1789
1790         WREG32(mmAFMT_AUDIO_CRC_CONTROL + dig->afmt->offset, 0x1000);
1791
1792         tmp = RREG32(mmHDMI_CONTROL + dig->afmt->offset);
1793         switch (bpc) {
1794         case 0:
1795         case 6:
1796         case 8:
1797         case 16:
1798         default:
1799                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 0);
1800                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0);
1801                 DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n",
1802                           connector->name, bpc);
1803                 break;
1804         case 10:
1805                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1806                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 1);
1807                 DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n",
1808                           connector->name);
1809                 break;
1810         case 12:
1811                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1812                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 2);
1813                 DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n",
1814                           connector->name);
1815                 break;
1816         }
1817         WREG32(mmHDMI_CONTROL + dig->afmt->offset, tmp);
1818
1819         tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1820         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); /* send null packets when required */
1821         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1); /* send general control packets */
1822         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1); /* send general control packets every frame */
1823         WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1824
1825         tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1826         /* enable audio info frames (frames won't be set until audio is enabled) */
1827         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1828         /* required for audio info values to be updated */
1829         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1830         WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1831
1832         tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1833         /* required for audio info values to be updated */
1834         tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1835         WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1836
1837         tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1838         /* anything other than 0 */
1839         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE, 2);
1840         WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1841
1842         WREG32(mmHDMI_GC + dig->afmt->offset, 0); /* unset HDMI_GC_AVMUTE */
1843
1844         tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1845         /* set the default audio delay */
1846         tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1847         /* should be suffient for all audio modes and small enough for all hblanks */
1848         tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1849         WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1850
1851         tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1852         /* allow 60958 channel status fields to be updated */
1853         tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1854         WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1855
1856         tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1857         if (bpc > 8)
1858                 /* clear SW CTS value */
1859                 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 0);
1860         else
1861                 /* select SW CTS value */
1862                 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 1);
1863         /* allow hw to sent ACR packets when required */
1864         tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1865         WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1866
1867         dce_v11_0_afmt_update_ACR(encoder, mode->clock);
1868
1869         tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1870         tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1871         WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1872
1873         tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1874         tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1875         WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1876
1877         tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1878         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1879         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1880         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1881         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1882         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1883         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1884         WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1885
1886         dce_v11_0_audio_write_speaker_allocation(encoder);
1887
1888         WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset,
1889                (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT));
1890
1891         dce_v11_0_afmt_audio_select_pin(encoder);
1892         dce_v11_0_audio_write_sad_regs(encoder);
1893         dce_v11_0_audio_write_latency_fields(encoder, mode);
1894
1895         err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode);
1896         if (err < 0) {
1897                 DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1898                 return;
1899         }
1900
1901         err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1902         if (err < 0) {
1903                 DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1904                 return;
1905         }
1906
1907         dce_v11_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer));
1908
1909         tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1910         /* enable AVI info frames */
1911         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1912         /* required for audio info values to be updated */
1913         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1914         WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1915
1916         tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1917         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1918         WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1919
1920         tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1921         /* send audio packets */
1922         tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1923         WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1924
1925         WREG32(mmAFMT_RAMP_CONTROL0 + dig->afmt->offset, 0x00FFFFFF);
1926         WREG32(mmAFMT_RAMP_CONTROL1 + dig->afmt->offset, 0x007FFFFF);
1927         WREG32(mmAFMT_RAMP_CONTROL2 + dig->afmt->offset, 0x00000001);
1928         WREG32(mmAFMT_RAMP_CONTROL3 + dig->afmt->offset, 0x00000001);
1929
1930         /* enable audio after to setting up hw */
1931         dce_v11_0_audio_enable(adev, dig->afmt->pin, true);
1932 }
1933
1934 static void dce_v11_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1935 {
1936         struct drm_device *dev = encoder->dev;
1937         struct amdgpu_device *adev = dev->dev_private;
1938         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1939         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1940
1941         if (!dig || !dig->afmt)
1942                 return;
1943
1944         /* Silent, r600_hdmi_enable will raise WARN for us */
1945         if (enable && dig->afmt->enabled)
1946                 return;
1947         if (!enable && !dig->afmt->enabled)
1948                 return;
1949
1950         if (!enable && dig->afmt->pin) {
1951                 dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1952                 dig->afmt->pin = NULL;
1953         }
1954
1955         dig->afmt->enabled = enable;
1956
1957         DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1958                   enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1959 }
1960
1961 static int dce_v11_0_afmt_init(struct amdgpu_device *adev)
1962 {
1963         int i;
1964
1965         for (i = 0; i < adev->mode_info.num_dig; i++)
1966                 adev->mode_info.afmt[i] = NULL;
1967
1968         /* DCE11 has audio blocks tied to DIG encoders */
1969         for (i = 0; i < adev->mode_info.num_dig; i++) {
1970                 adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1971                 if (adev->mode_info.afmt[i]) {
1972                         adev->mode_info.afmt[i]->offset = dig_offsets[i];
1973                         adev->mode_info.afmt[i]->id = i;
1974                 } else {
1975                         int j;
1976                         for (j = 0; j < i; j++) {
1977                                 kfree(adev->mode_info.afmt[j]);
1978                                 adev->mode_info.afmt[j] = NULL;
1979                         }
1980                         return -ENOMEM;
1981                 }
1982         }
1983         return 0;
1984 }
1985
1986 static void dce_v11_0_afmt_fini(struct amdgpu_device *adev)
1987 {
1988         int i;
1989
1990         for (i = 0; i < adev->mode_info.num_dig; i++) {
1991                 kfree(adev->mode_info.afmt[i]);
1992                 adev->mode_info.afmt[i] = NULL;
1993         }
1994 }
1995
1996 static const u32 vga_control_regs[6] =
1997 {
1998         mmD1VGA_CONTROL,
1999         mmD2VGA_CONTROL,
2000         mmD3VGA_CONTROL,
2001         mmD4VGA_CONTROL,
2002         mmD5VGA_CONTROL,
2003         mmD6VGA_CONTROL,
2004 };
2005
2006 static void dce_v11_0_vga_enable(struct drm_crtc *crtc, bool enable)
2007 {
2008         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2009         struct drm_device *dev = crtc->dev;
2010         struct amdgpu_device *adev = dev->dev_private;
2011         u32 vga_control;
2012
2013         vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
2014         if (enable)
2015                 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1);
2016         else
2017                 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control);
2018 }
2019
2020 static void dce_v11_0_grph_enable(struct drm_crtc *crtc, bool enable)
2021 {
2022         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2023         struct drm_device *dev = crtc->dev;
2024         struct amdgpu_device *adev = dev->dev_private;
2025
2026         if (enable)
2027                 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1);
2028         else
2029                 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0);
2030 }
2031
2032 static int dce_v11_0_crtc_do_set_base(struct drm_crtc *crtc,
2033                                      struct drm_framebuffer *fb,
2034                                      int x, int y, int atomic)
2035 {
2036         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2037         struct drm_device *dev = crtc->dev;
2038         struct amdgpu_device *adev = dev->dev_private;
2039         struct amdgpu_framebuffer *amdgpu_fb;
2040         struct drm_framebuffer *target_fb;
2041         struct drm_gem_object *obj;
2042         struct amdgpu_bo *rbo;
2043         uint64_t fb_location, tiling_flags;
2044         uint32_t fb_format, fb_pitch_pixels;
2045         u32 fb_swap = REG_SET_FIELD(0, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, ENDIAN_NONE);
2046         u32 pipe_config;
2047         u32 tmp, viewport_w, viewport_h;
2048         int r;
2049         bool bypass_lut = false;
2050
2051         /* no fb bound */
2052         if (!atomic && !crtc->primary->fb) {
2053                 DRM_DEBUG_KMS("No FB bound\n");
2054                 return 0;
2055         }
2056
2057         if (atomic) {
2058                 amdgpu_fb = to_amdgpu_framebuffer(fb);
2059                 target_fb = fb;
2060         } else {
2061                 amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb);
2062                 target_fb = crtc->primary->fb;
2063         }
2064
2065         /* If atomic, assume fb object is pinned & idle & fenced and
2066          * just update base pointers
2067          */
2068         obj = amdgpu_fb->obj;
2069         rbo = gem_to_amdgpu_bo(obj);
2070         r = amdgpu_bo_reserve(rbo, false);
2071         if (unlikely(r != 0))
2072                 return r;
2073
2074         if (atomic) {
2075                 fb_location = amdgpu_bo_gpu_offset(rbo);
2076         } else {
2077                 r = amdgpu_bo_pin(rbo, AMDGPU_GEM_DOMAIN_VRAM, &fb_location);
2078                 if (unlikely(r != 0)) {
2079                         amdgpu_bo_unreserve(rbo);
2080                         return -EINVAL;
2081                 }
2082         }
2083
2084         amdgpu_bo_get_tiling_flags(rbo, &tiling_flags);
2085         amdgpu_bo_unreserve(rbo);
2086
2087         pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
2088
2089         switch (target_fb->pixel_format) {
2090         case DRM_FORMAT_C8:
2091                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 0);
2092                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2093                 break;
2094         case DRM_FORMAT_XRGB4444:
2095         case DRM_FORMAT_ARGB4444:
2096                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
2097                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 2);
2098 #ifdef __BIG_ENDIAN
2099                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2100                                         ENDIAN_8IN16);
2101 #endif
2102                 break;
2103         case DRM_FORMAT_XRGB1555:
2104         case DRM_FORMAT_ARGB1555:
2105                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
2106                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2107 #ifdef __BIG_ENDIAN
2108                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2109                                         ENDIAN_8IN16);
2110 #endif
2111                 break;
2112         case DRM_FORMAT_BGRX5551:
2113         case DRM_FORMAT_BGRA5551:
2114                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
2115                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 5);
2116 #ifdef __BIG_ENDIAN
2117                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2118                                         ENDIAN_8IN16);
2119 #endif
2120                 break;
2121         case DRM_FORMAT_RGB565:
2122                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
2123                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
2124 #ifdef __BIG_ENDIAN
2125                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2126                                         ENDIAN_8IN16);
2127 #endif
2128                 break;
2129         case DRM_FORMAT_XRGB8888:
2130         case DRM_FORMAT_ARGB8888:
2131                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2132                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2133 #ifdef __BIG_ENDIAN
2134                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2135                                         ENDIAN_8IN32);
2136 #endif
2137                 break;
2138         case DRM_FORMAT_XRGB2101010:
2139         case DRM_FORMAT_ARGB2101010:
2140                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2141                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
2142 #ifdef __BIG_ENDIAN
2143                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2144                                         ENDIAN_8IN32);
2145 #endif
2146                 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2147                 bypass_lut = true;
2148                 break;
2149         case DRM_FORMAT_BGRX1010102:
2150         case DRM_FORMAT_BGRA1010102:
2151                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2152                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 4);
2153 #ifdef __BIG_ENDIAN
2154                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2155                                         ENDIAN_8IN32);
2156 #endif
2157                 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2158                 bypass_lut = true;
2159                 break;
2160         default:
2161                 DRM_ERROR("Unsupported screen format %s\n",
2162                         drm_get_format_name(target_fb->pixel_format));
2163                 return -EINVAL;
2164         }
2165
2166         if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
2167                 unsigned bankw, bankh, mtaspect, tile_split, num_banks;
2168
2169                 bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
2170                 bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
2171                 mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
2172                 tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
2173                 num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
2174
2175                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_NUM_BANKS, num_banks);
2176                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2177                                           ARRAY_2D_TILED_THIN1);
2178                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_TILE_SPLIT,
2179                                           tile_split);
2180                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_WIDTH, bankw);
2181                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_HEIGHT, bankh);
2182                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MACRO_TILE_ASPECT,
2183                                           mtaspect);
2184                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MICRO_TILE_MODE,
2185                                           ADDR_SURF_MICRO_TILING_DISPLAY);
2186         } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
2187                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2188                                           ARRAY_1D_TILED_THIN1);
2189         }
2190
2191         fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_PIPE_CONFIG,
2192                                   pipe_config);
2193
2194         dce_v11_0_vga_enable(crtc, false);
2195
2196         /* Make sure surface address is updated at vertical blank rather than
2197          * horizontal blank
2198          */
2199         tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
2200         tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
2201                             GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0);
2202         WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2203
2204         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2205                upper_32_bits(fb_location));
2206         WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2207                upper_32_bits(fb_location));
2208         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2209                (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
2210         WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2211                (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK);
2212         WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
2213         WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
2214
2215         /*
2216          * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
2217          * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
2218          * retain the full precision throughout the pipeline.
2219          */
2220         tmp = RREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset);
2221         if (bypass_lut)
2222                 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 1);
2223         else
2224                 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 0);
2225         WREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset, tmp);
2226
2227         if (bypass_lut)
2228                 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
2229
2230         WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
2231         WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
2232         WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
2233         WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
2234         WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
2235         WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
2236
2237         fb_pitch_pixels = target_fb->pitches[0] / (target_fb->bits_per_pixel / 8);
2238         WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
2239
2240         dce_v11_0_grph_enable(crtc, true);
2241
2242         WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2243                target_fb->height);
2244
2245         x &= ~3;
2246         y &= ~1;
2247         WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2248                (x << 16) | y);
2249         viewport_w = crtc->mode.hdisplay;
2250         viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2251         WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2252                (viewport_w << 16) | viewport_h);
2253
2254         /* set pageflip to happen only at start of vblank interval (front porch) */
2255         WREG32(mmCRTC_MASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 3);
2256
2257         if (!atomic && fb && fb != crtc->primary->fb) {
2258                 amdgpu_fb = to_amdgpu_framebuffer(fb);
2259                 rbo = gem_to_amdgpu_bo(amdgpu_fb->obj);
2260                 r = amdgpu_bo_reserve(rbo, false);
2261                 if (unlikely(r != 0))
2262                         return r;
2263                 amdgpu_bo_unpin(rbo);
2264                 amdgpu_bo_unreserve(rbo);
2265         }
2266
2267         /* Bytes per pixel may have changed */
2268         dce_v11_0_bandwidth_update(adev);
2269
2270         return 0;
2271 }
2272
2273 static void dce_v11_0_set_interleave(struct drm_crtc *crtc,
2274                                      struct drm_display_mode *mode)
2275 {
2276         struct drm_device *dev = crtc->dev;
2277         struct amdgpu_device *adev = dev->dev_private;
2278         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2279         u32 tmp;
2280
2281         tmp = RREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset);
2282         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2283                 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 1);
2284         else
2285                 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 0);
2286         WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, tmp);
2287 }
2288
2289 static void dce_v11_0_crtc_load_lut(struct drm_crtc *crtc)
2290 {
2291         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2292         struct drm_device *dev = crtc->dev;
2293         struct amdgpu_device *adev = dev->dev_private;
2294         int i;
2295         u32 tmp;
2296
2297         DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2298
2299         tmp = RREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2300         tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_GRPH_MODE, 0);
2301         WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2302
2303         tmp = RREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset);
2304         tmp = REG_SET_FIELD(tmp, PRESCALE_GRPH_CONTROL, GRPH_PRESCALE_BYPASS, 1);
2305         WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2306
2307         tmp = RREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2308         tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, GRPH_INPUT_GAMMA_MODE, 0);
2309         WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2310
2311         WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2312
2313         WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2314         WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2315         WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2316
2317         WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2318         WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2319         WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2320
2321         WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2322         WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2323
2324         WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2325         for (i = 0; i < 256; i++) {
2326                 WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2327                        (amdgpu_crtc->lut_r[i] << 20) |
2328                        (amdgpu_crtc->lut_g[i] << 10) |
2329                        (amdgpu_crtc->lut_b[i] << 0));
2330         }
2331
2332         tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2333         tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, GRPH_DEGAMMA_MODE, 0);
2334         tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR_DEGAMMA_MODE, 0);
2335         tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR2_DEGAMMA_MODE, 0);
2336         WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2337
2338         tmp = RREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset);
2339         tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, GRPH_GAMUT_REMAP_MODE, 0);
2340         WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2341
2342         tmp = RREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2343         tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, GRPH_REGAMMA_MODE, 0);
2344         WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2345
2346         tmp = RREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2347         tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_GRPH_MODE, 0);
2348         WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2349
2350         /* XXX match this to the depth of the crtc fmt block, move to modeset? */
2351         WREG32(mmDENORM_CONTROL + amdgpu_crtc->crtc_offset, 0);
2352         /* XXX this only needs to be programmed once per crtc at startup,
2353          * not sure where the best place for it is
2354          */
2355         tmp = RREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset);
2356         tmp = REG_SET_FIELD(tmp, ALPHA_CONTROL, CURSOR_ALPHA_BLND_ENA, 1);
2357         WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2358 }
2359
2360 static int dce_v11_0_pick_dig_encoder(struct drm_encoder *encoder)
2361 {
2362         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2363         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2364
2365         switch (amdgpu_encoder->encoder_id) {
2366         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2367                 if (dig->linkb)
2368                         return 1;
2369                 else
2370                         return 0;
2371                 break;
2372         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2373                 if (dig->linkb)
2374                         return 3;
2375                 else
2376                         return 2;
2377                 break;
2378         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2379                 if (dig->linkb)
2380                         return 5;
2381                 else
2382                         return 4;
2383                 break;
2384         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2385                 return 6;
2386                 break;
2387         default:
2388                 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2389                 return 0;
2390         }
2391 }
2392
2393 /**
2394  * dce_v11_0_pick_pll - Allocate a PPLL for use by the crtc.
2395  *
2396  * @crtc: drm crtc
2397  *
2398  * Returns the PPLL (Pixel PLL) to be used by the crtc.  For DP monitors
2399  * a single PPLL can be used for all DP crtcs/encoders.  For non-DP
2400  * monitors a dedicated PPLL must be used.  If a particular board has
2401  * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2402  * as there is no need to program the PLL itself.  If we are not able to
2403  * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2404  * avoid messing up an existing monitor.
2405  *
2406  * Asic specific PLL information
2407  *
2408  * DCE 10.x
2409  * Tonga
2410  * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP)
2411  * CI
2412  * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
2413  *
2414  */
2415 static u32 dce_v11_0_pick_pll(struct drm_crtc *crtc)
2416 {
2417         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2418         struct drm_device *dev = crtc->dev;
2419         struct amdgpu_device *adev = dev->dev_private;
2420         u32 pll_in_use;
2421         int pll;
2422
2423         if ((adev->asic_type == CHIP_POLARIS10) ||
2424             (adev->asic_type == CHIP_POLARIS11)) {
2425                 struct amdgpu_encoder *amdgpu_encoder =
2426                         to_amdgpu_encoder(amdgpu_crtc->encoder);
2427                 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2428
2429                 if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2430                         return ATOM_DP_DTO;
2431
2432                 switch (amdgpu_encoder->encoder_id) {
2433                 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2434                         if (dig->linkb)
2435                                 return ATOM_COMBOPHY_PLL1;
2436                         else
2437                                 return ATOM_COMBOPHY_PLL0;
2438                         break;
2439                 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2440                         if (dig->linkb)
2441                                 return ATOM_COMBOPHY_PLL3;
2442                         else
2443                                 return ATOM_COMBOPHY_PLL2;
2444                         break;
2445                 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2446                         if (dig->linkb)
2447                                 return ATOM_COMBOPHY_PLL5;
2448                         else
2449                                 return ATOM_COMBOPHY_PLL4;
2450                         break;
2451                 default:
2452                         DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2453                         return ATOM_PPLL_INVALID;
2454                 }
2455         }
2456
2457         if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2458                 if (adev->clock.dp_extclk)
2459                         /* skip PPLL programming if using ext clock */
2460                         return ATOM_PPLL_INVALID;
2461                 else {
2462                         /* use the same PPLL for all DP monitors */
2463                         pll = amdgpu_pll_get_shared_dp_ppll(crtc);
2464                         if (pll != ATOM_PPLL_INVALID)
2465                                 return pll;
2466                 }
2467         } else {
2468                 /* use the same PPLL for all monitors with the same clock */
2469                 pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2470                 if (pll != ATOM_PPLL_INVALID)
2471                         return pll;
2472         }
2473
2474         /* XXX need to determine what plls are available on each DCE11 part */
2475         pll_in_use = amdgpu_pll_get_use_mask(crtc);
2476         if (adev->asic_type == CHIP_CARRIZO || adev->asic_type == CHIP_STONEY) {
2477                 if (!(pll_in_use & (1 << ATOM_PPLL1)))
2478                         return ATOM_PPLL1;
2479                 if (!(pll_in_use & (1 << ATOM_PPLL0)))
2480                         return ATOM_PPLL0;
2481                 DRM_ERROR("unable to allocate a PPLL\n");
2482                 return ATOM_PPLL_INVALID;
2483         } else {
2484                 if (!(pll_in_use & (1 << ATOM_PPLL2)))
2485                         return ATOM_PPLL2;
2486                 if (!(pll_in_use & (1 << ATOM_PPLL1)))
2487                         return ATOM_PPLL1;
2488                 if (!(pll_in_use & (1 << ATOM_PPLL0)))
2489                         return ATOM_PPLL0;
2490                 DRM_ERROR("unable to allocate a PPLL\n");
2491                 return ATOM_PPLL_INVALID;
2492         }
2493         return ATOM_PPLL_INVALID;
2494 }
2495
2496 static void dce_v11_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2497 {
2498         struct amdgpu_device *adev = crtc->dev->dev_private;
2499         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2500         uint32_t cur_lock;
2501
2502         cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2503         if (lock)
2504                 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 1);
2505         else
2506                 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 0);
2507         WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2508 }
2509
2510 static void dce_v11_0_hide_cursor(struct drm_crtc *crtc)
2511 {
2512         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2513         struct amdgpu_device *adev = crtc->dev->dev_private;
2514         u32 tmp;
2515
2516         tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2517         tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0);
2518         WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2519 }
2520
2521 static void dce_v11_0_show_cursor(struct drm_crtc *crtc)
2522 {
2523         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2524         struct amdgpu_device *adev = crtc->dev->dev_private;
2525         u32 tmp;
2526
2527         WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2528                upper_32_bits(amdgpu_crtc->cursor_addr));
2529         WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2530                lower_32_bits(amdgpu_crtc->cursor_addr));
2531
2532         tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2533         tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1);
2534         tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2);
2535         WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2536 }
2537
2538 static int dce_v11_0_cursor_move_locked(struct drm_crtc *crtc,
2539                                         int x, int y)
2540 {
2541         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2542         struct amdgpu_device *adev = crtc->dev->dev_private;
2543         int xorigin = 0, yorigin = 0;
2544
2545         /* avivo cursor are offset into the total surface */
2546         x += crtc->x;
2547         y += crtc->y;
2548         DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2549
2550         if (x < 0) {
2551                 xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2552                 x = 0;
2553         }
2554         if (y < 0) {
2555                 yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2556                 y = 0;
2557         }
2558
2559         WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2560         WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2561         WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2562                ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2563
2564         amdgpu_crtc->cursor_x = x;
2565         amdgpu_crtc->cursor_y = y;
2566
2567         return 0;
2568 }
2569
2570 static int dce_v11_0_crtc_cursor_move(struct drm_crtc *crtc,
2571                                       int x, int y)
2572 {
2573         int ret;
2574
2575         dce_v11_0_lock_cursor(crtc, true);
2576         ret = dce_v11_0_cursor_move_locked(crtc, x, y);
2577         dce_v11_0_lock_cursor(crtc, false);
2578
2579         return ret;
2580 }
2581
2582 static int dce_v11_0_crtc_cursor_set2(struct drm_crtc *crtc,
2583                                       struct drm_file *file_priv,
2584                                       uint32_t handle,
2585                                       uint32_t width,
2586                                       uint32_t height,
2587                                       int32_t hot_x,
2588                                       int32_t hot_y)
2589 {
2590         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2591         struct drm_gem_object *obj;
2592         struct amdgpu_bo *aobj;
2593         int ret;
2594
2595         if (!handle) {
2596                 /* turn off cursor */
2597                 dce_v11_0_hide_cursor(crtc);
2598                 obj = NULL;
2599                 goto unpin;
2600         }
2601
2602         if ((width > amdgpu_crtc->max_cursor_width) ||
2603             (height > amdgpu_crtc->max_cursor_height)) {
2604                 DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2605                 return -EINVAL;
2606         }
2607
2608         obj = drm_gem_object_lookup(file_priv, handle);
2609         if (!obj) {
2610                 DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2611                 return -ENOENT;
2612         }
2613
2614         aobj = gem_to_amdgpu_bo(obj);
2615         ret = amdgpu_bo_reserve(aobj, false);
2616         if (ret != 0) {
2617                 drm_gem_object_unreference_unlocked(obj);
2618                 return ret;
2619         }
2620
2621         ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM, &amdgpu_crtc->cursor_addr);
2622         amdgpu_bo_unreserve(aobj);
2623         if (ret) {
2624                 DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2625                 drm_gem_object_unreference_unlocked(obj);
2626                 return ret;
2627         }
2628
2629         amdgpu_crtc->cursor_width = width;
2630         amdgpu_crtc->cursor_height = height;
2631
2632         dce_v11_0_lock_cursor(crtc, true);
2633
2634         if (hot_x != amdgpu_crtc->cursor_hot_x ||
2635             hot_y != amdgpu_crtc->cursor_hot_y) {
2636                 int x, y;
2637
2638                 x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2639                 y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2640
2641                 dce_v11_0_cursor_move_locked(crtc, x, y);
2642
2643                 amdgpu_crtc->cursor_hot_x = hot_x;
2644                 amdgpu_crtc->cursor_hot_y = hot_y;
2645         }
2646
2647         dce_v11_0_show_cursor(crtc);
2648         dce_v11_0_lock_cursor(crtc, false);
2649
2650 unpin:
2651         if (amdgpu_crtc->cursor_bo) {
2652                 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2653                 ret = amdgpu_bo_reserve(aobj, false);
2654                 if (likely(ret == 0)) {
2655                         amdgpu_bo_unpin(aobj);
2656                         amdgpu_bo_unreserve(aobj);
2657                 }
2658                 drm_gem_object_unreference_unlocked(amdgpu_crtc->cursor_bo);
2659         }
2660
2661         amdgpu_crtc->cursor_bo = obj;
2662         return 0;
2663 }
2664
2665 static void dce_v11_0_cursor_reset(struct drm_crtc *crtc)
2666 {
2667         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2668
2669         if (amdgpu_crtc->cursor_bo) {
2670                 dce_v11_0_lock_cursor(crtc, true);
2671
2672                 dce_v11_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2673                                              amdgpu_crtc->cursor_y);
2674
2675                 dce_v11_0_show_cursor(crtc);
2676
2677                 dce_v11_0_lock_cursor(crtc, false);
2678         }
2679 }
2680
2681 static void dce_v11_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2682                                     u16 *blue, uint32_t start, uint32_t size)
2683 {
2684         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2685         int end = (start + size > 256) ? 256 : start + size, i;
2686
2687         /* userspace palettes are always correct as is */
2688         for (i = start; i < end; i++) {
2689                 amdgpu_crtc->lut_r[i] = red[i] >> 6;
2690                 amdgpu_crtc->lut_g[i] = green[i] >> 6;
2691                 amdgpu_crtc->lut_b[i] = blue[i] >> 6;
2692         }
2693         dce_v11_0_crtc_load_lut(crtc);
2694 }
2695
2696 static void dce_v11_0_crtc_destroy(struct drm_crtc *crtc)
2697 {
2698         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2699
2700         drm_crtc_cleanup(crtc);
2701         kfree(amdgpu_crtc);
2702 }
2703
2704 static const struct drm_crtc_funcs dce_v11_0_crtc_funcs = {
2705         .cursor_set2 = dce_v11_0_crtc_cursor_set2,
2706         .cursor_move = dce_v11_0_crtc_cursor_move,
2707         .gamma_set = dce_v11_0_crtc_gamma_set,
2708         .set_config = amdgpu_crtc_set_config,
2709         .destroy = dce_v11_0_crtc_destroy,
2710         .page_flip = amdgpu_crtc_page_flip,
2711 };
2712
2713 static void dce_v11_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2714 {
2715         struct drm_device *dev = crtc->dev;
2716         struct amdgpu_device *adev = dev->dev_private;
2717         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2718         unsigned type;
2719
2720         switch (mode) {
2721         case DRM_MODE_DPMS_ON:
2722                 amdgpu_crtc->enabled = true;
2723                 amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2724                 dce_v11_0_vga_enable(crtc, true);
2725                 amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2726                 dce_v11_0_vga_enable(crtc, false);
2727                 /* Make sure VBLANK and PFLIP interrupts are still enabled */
2728                 type = amdgpu_crtc_idx_to_irq_type(adev, amdgpu_crtc->crtc_id);
2729                 amdgpu_irq_update(adev, &adev->crtc_irq, type);
2730                 amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2731                 drm_vblank_on(dev, amdgpu_crtc->crtc_id);
2732                 dce_v11_0_crtc_load_lut(crtc);
2733                 break;
2734         case DRM_MODE_DPMS_STANDBY:
2735         case DRM_MODE_DPMS_SUSPEND:
2736         case DRM_MODE_DPMS_OFF:
2737                 drm_vblank_off(dev, amdgpu_crtc->crtc_id);
2738                 if (amdgpu_crtc->enabled) {
2739                         dce_v11_0_vga_enable(crtc, true);
2740                         amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2741                         dce_v11_0_vga_enable(crtc, false);
2742                 }
2743                 amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2744                 amdgpu_crtc->enabled = false;
2745                 break;
2746         }
2747         /* adjust pm to dpms */
2748         amdgpu_pm_compute_clocks(adev);
2749 }
2750
2751 static void dce_v11_0_crtc_prepare(struct drm_crtc *crtc)
2752 {
2753         /* disable crtc pair power gating before programming */
2754         amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2755         amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2756         dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2757 }
2758
2759 static void dce_v11_0_crtc_commit(struct drm_crtc *crtc)
2760 {
2761         dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2762         amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2763 }
2764
2765 static void dce_v11_0_crtc_disable(struct drm_crtc *crtc)
2766 {
2767         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2768         struct drm_device *dev = crtc->dev;
2769         struct amdgpu_device *adev = dev->dev_private;
2770         struct amdgpu_atom_ss ss;
2771         int i;
2772
2773         dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2774         if (crtc->primary->fb) {
2775                 int r;
2776                 struct amdgpu_framebuffer *amdgpu_fb;
2777                 struct amdgpu_bo *rbo;
2778
2779                 amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb);
2780                 rbo = gem_to_amdgpu_bo(amdgpu_fb->obj);
2781                 r = amdgpu_bo_reserve(rbo, false);
2782                 if (unlikely(r))
2783                         DRM_ERROR("failed to reserve rbo before unpin\n");
2784                 else {
2785                         amdgpu_bo_unpin(rbo);
2786                         amdgpu_bo_unreserve(rbo);
2787                 }
2788         }
2789         /* disable the GRPH */
2790         dce_v11_0_grph_enable(crtc, false);
2791
2792         amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2793
2794         for (i = 0; i < adev->mode_info.num_crtc; i++) {
2795                 if (adev->mode_info.crtcs[i] &&
2796                     adev->mode_info.crtcs[i]->enabled &&
2797                     i != amdgpu_crtc->crtc_id &&
2798                     amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2799                         /* one other crtc is using this pll don't turn
2800                          * off the pll
2801                          */
2802                         goto done;
2803                 }
2804         }
2805
2806         switch (amdgpu_crtc->pll_id) {
2807         case ATOM_PPLL0:
2808         case ATOM_PPLL1:
2809         case ATOM_PPLL2:
2810                 /* disable the ppll */
2811                 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2812                                                  0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2813                 break;
2814         case ATOM_COMBOPHY_PLL0:
2815         case ATOM_COMBOPHY_PLL1:
2816         case ATOM_COMBOPHY_PLL2:
2817         case ATOM_COMBOPHY_PLL3:
2818         case ATOM_COMBOPHY_PLL4:
2819         case ATOM_COMBOPHY_PLL5:
2820                 /* disable the ppll */
2821                 amdgpu_atombios_crtc_program_pll(crtc, ATOM_CRTC_INVALID, amdgpu_crtc->pll_id,
2822                                                  0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2823                 break;
2824         default:
2825                 break;
2826         }
2827 done:
2828         amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2829         amdgpu_crtc->adjusted_clock = 0;
2830         amdgpu_crtc->encoder = NULL;
2831         amdgpu_crtc->connector = NULL;
2832 }
2833
2834 static int dce_v11_0_crtc_mode_set(struct drm_crtc *crtc,
2835                                   struct drm_display_mode *mode,
2836                                   struct drm_display_mode *adjusted_mode,
2837                                   int x, int y, struct drm_framebuffer *old_fb)
2838 {
2839         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2840         struct drm_device *dev = crtc->dev;
2841         struct amdgpu_device *adev = dev->dev_private;
2842
2843         if (!amdgpu_crtc->adjusted_clock)
2844                 return -EINVAL;
2845
2846         if ((adev->asic_type == CHIP_POLARIS10) ||
2847             (adev->asic_type == CHIP_POLARIS11)) {
2848                 struct amdgpu_encoder *amdgpu_encoder =
2849                         to_amdgpu_encoder(amdgpu_crtc->encoder);
2850                 int encoder_mode =
2851                         amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder);
2852
2853                 /* SetPixelClock calculates the plls and ss values now */
2854                 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id,
2855                                                  amdgpu_crtc->pll_id,
2856                                                  encoder_mode, amdgpu_encoder->encoder_id,
2857                                                  adjusted_mode->clock, 0, 0, 0, 0,
2858                                                  amdgpu_crtc->bpc, amdgpu_crtc->ss_enabled, &amdgpu_crtc->ss);
2859         } else {
2860                 amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2861         }
2862         amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2863         dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2864         amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2865         amdgpu_atombios_crtc_scaler_setup(crtc);
2866         dce_v11_0_cursor_reset(crtc);
2867         /* update the hw version fpr dpm */
2868         amdgpu_crtc->hw_mode = *adjusted_mode;
2869
2870         return 0;
2871 }
2872
2873 static bool dce_v11_0_crtc_mode_fixup(struct drm_crtc *crtc,
2874                                      const struct drm_display_mode *mode,
2875                                      struct drm_display_mode *adjusted_mode)
2876 {
2877         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2878         struct drm_device *dev = crtc->dev;
2879         struct drm_encoder *encoder;
2880
2881         /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2882         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2883                 if (encoder->crtc == crtc) {
2884                         amdgpu_crtc->encoder = encoder;
2885                         amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2886                         break;
2887                 }
2888         }
2889         if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2890                 amdgpu_crtc->encoder = NULL;
2891                 amdgpu_crtc->connector = NULL;
2892                 return false;
2893         }
2894         if (!amdgpu_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2895                 return false;
2896         if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2897                 return false;
2898         /* pick pll */
2899         amdgpu_crtc->pll_id = dce_v11_0_pick_pll(crtc);
2900         /* if we can't get a PPLL for a non-DP encoder, fail */
2901         if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2902             !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2903                 return false;
2904
2905         return true;
2906 }
2907
2908 static int dce_v11_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2909                                   struct drm_framebuffer *old_fb)
2910 {
2911         return dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2912 }
2913
2914 static int dce_v11_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2915                                          struct drm_framebuffer *fb,
2916                                          int x, int y, enum mode_set_atomic state)
2917 {
2918        return dce_v11_0_crtc_do_set_base(crtc, fb, x, y, 1);
2919 }
2920
2921 static const struct drm_crtc_helper_funcs dce_v11_0_crtc_helper_funcs = {
2922         .dpms = dce_v11_0_crtc_dpms,
2923         .mode_fixup = dce_v11_0_crtc_mode_fixup,
2924         .mode_set = dce_v11_0_crtc_mode_set,
2925         .mode_set_base = dce_v11_0_crtc_set_base,
2926         .mode_set_base_atomic = dce_v11_0_crtc_set_base_atomic,
2927         .prepare = dce_v11_0_crtc_prepare,
2928         .commit = dce_v11_0_crtc_commit,
2929         .load_lut = dce_v11_0_crtc_load_lut,
2930         .disable = dce_v11_0_crtc_disable,
2931 };
2932
2933 static int dce_v11_0_crtc_init(struct amdgpu_device *adev, int index)
2934 {
2935         struct amdgpu_crtc *amdgpu_crtc;
2936         int i;
2937
2938         amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2939                               (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2940         if (amdgpu_crtc == NULL)
2941                 return -ENOMEM;
2942
2943         drm_crtc_init(adev->ddev, &amdgpu_crtc->base, &dce_v11_0_crtc_funcs);
2944
2945         drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2946         amdgpu_crtc->crtc_id = index;
2947         adev->mode_info.crtcs[index] = amdgpu_crtc;
2948
2949         amdgpu_crtc->max_cursor_width = 128;
2950         amdgpu_crtc->max_cursor_height = 128;
2951         adev->ddev->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2952         adev->ddev->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2953
2954         for (i = 0; i < 256; i++) {
2955                 amdgpu_crtc->lut_r[i] = i << 2;
2956                 amdgpu_crtc->lut_g[i] = i << 2;
2957                 amdgpu_crtc->lut_b[i] = i << 2;
2958         }
2959
2960         switch (amdgpu_crtc->crtc_id) {
2961         case 0:
2962         default:
2963                 amdgpu_crtc->crtc_offset = CRTC0_REGISTER_OFFSET;
2964                 break;
2965         case 1:
2966                 amdgpu_crtc->crtc_offset = CRTC1_REGISTER_OFFSET;
2967                 break;
2968         case 2:
2969                 amdgpu_crtc->crtc_offset = CRTC2_REGISTER_OFFSET;
2970                 break;
2971         case 3:
2972                 amdgpu_crtc->crtc_offset = CRTC3_REGISTER_OFFSET;
2973                 break;
2974         case 4:
2975                 amdgpu_crtc->crtc_offset = CRTC4_REGISTER_OFFSET;
2976                 break;
2977         case 5:
2978                 amdgpu_crtc->crtc_offset = CRTC5_REGISTER_OFFSET;
2979                 break;
2980         }
2981
2982         amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2983         amdgpu_crtc->adjusted_clock = 0;
2984         amdgpu_crtc->encoder = NULL;
2985         amdgpu_crtc->connector = NULL;
2986         drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v11_0_crtc_helper_funcs);
2987
2988         return 0;
2989 }
2990
2991 static int dce_v11_0_early_init(void *handle)
2992 {
2993         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2994
2995         adev->audio_endpt_rreg = &dce_v11_0_audio_endpt_rreg;
2996         adev->audio_endpt_wreg = &dce_v11_0_audio_endpt_wreg;
2997
2998         dce_v11_0_set_display_funcs(adev);
2999         dce_v11_0_set_irq_funcs(adev);
3000
3001         switch (adev->asic_type) {
3002         case CHIP_CARRIZO:
3003                 adev->mode_info.num_crtc = 3;
3004                 adev->mode_info.num_hpd = 6;
3005                 adev->mode_info.num_dig = 9;
3006                 break;
3007         case CHIP_STONEY:
3008                 adev->mode_info.num_crtc = 2;
3009                 adev->mode_info.num_hpd = 6;
3010                 adev->mode_info.num_dig = 9;
3011                 break;
3012         case CHIP_POLARIS10:
3013                 adev->mode_info.num_crtc = 6;
3014                 adev->mode_info.num_hpd = 6;
3015                 adev->mode_info.num_dig = 6;
3016                 break;
3017         case CHIP_POLARIS11:
3018                 adev->mode_info.num_crtc = 5;
3019                 adev->mode_info.num_hpd = 5;
3020                 adev->mode_info.num_dig = 5;
3021                 break;
3022         default:
3023                 /* FIXME: not supported yet */
3024                 return -EINVAL;
3025         }
3026
3027         return 0;
3028 }
3029
3030 static int dce_v11_0_sw_init(void *handle)
3031 {
3032         int r, i;
3033         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3034
3035         for (i = 0; i < adev->mode_info.num_crtc; i++) {
3036                 r = amdgpu_irq_add_id(adev, i + 1, &adev->crtc_irq);
3037                 if (r)
3038                         return r;
3039         }
3040
3041         for (i = 8; i < 20; i += 2) {
3042                 r = amdgpu_irq_add_id(adev, i, &adev->pageflip_irq);
3043                 if (r)
3044                         return r;
3045         }
3046
3047         /* HPD hotplug */
3048         r = amdgpu_irq_add_id(adev, 42, &adev->hpd_irq);
3049         if (r)
3050                 return r;
3051
3052         adev->ddev->mode_config.funcs = &amdgpu_mode_funcs;
3053
3054         adev->ddev->mode_config.async_page_flip = true;
3055
3056         adev->ddev->mode_config.max_width = 16384;
3057         adev->ddev->mode_config.max_height = 16384;
3058
3059         adev->ddev->mode_config.preferred_depth = 24;
3060         adev->ddev->mode_config.prefer_shadow = 1;
3061
3062         adev->ddev->mode_config.fb_base = adev->mc.aper_base;
3063
3064         r = amdgpu_modeset_create_props(adev);
3065         if (r)
3066                 return r;
3067
3068         adev->ddev->mode_config.max_width = 16384;
3069         adev->ddev->mode_config.max_height = 16384;
3070
3071
3072         /* allocate crtcs */
3073         for (i = 0; i < adev->mode_info.num_crtc; i++) {
3074                 r = dce_v11_0_crtc_init(adev, i);
3075                 if (r)
3076                         return r;
3077         }
3078
3079         if (amdgpu_atombios_get_connector_info_from_object_table(adev))
3080                 amdgpu_print_display_setup(adev->ddev);
3081         else
3082                 return -EINVAL;
3083
3084         /* setup afmt */
3085         r = dce_v11_0_afmt_init(adev);
3086         if (r)
3087                 return r;
3088
3089         r = dce_v11_0_audio_init(adev);
3090         if (r)
3091                 return r;
3092
3093         drm_kms_helper_poll_init(adev->ddev);
3094
3095         adev->mode_info.mode_config_initialized = true;
3096         return 0;
3097 }
3098
3099 static int dce_v11_0_sw_fini(void *handle)
3100 {
3101         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3102
3103         kfree(adev->mode_info.bios_hardcoded_edid);
3104
3105         drm_kms_helper_poll_fini(adev->ddev);
3106
3107         dce_v11_0_audio_fini(adev);
3108
3109         dce_v11_0_afmt_fini(adev);
3110
3111         adev->mode_info.mode_config_initialized = false;
3112
3113         return 0;
3114 }
3115
3116 static int dce_v11_0_hw_init(void *handle)
3117 {
3118         int i;
3119         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3120
3121         dce_v11_0_init_golden_registers(adev);
3122
3123         /* init dig PHYs, disp eng pll */
3124         amdgpu_atombios_crtc_powergate_init(adev);
3125         amdgpu_atombios_encoder_init_dig(adev);
3126         if ((adev->asic_type == CHIP_POLARIS10) ||
3127             (adev->asic_type == CHIP_POLARIS11)) {
3128                 amdgpu_atombios_crtc_set_dce_clock(adev, adev->clock.default_dispclk,
3129                                                    DCE_CLOCK_TYPE_DISPCLK, ATOM_GCK_DFS);
3130                 amdgpu_atombios_crtc_set_dce_clock(adev, 0,
3131                                                    DCE_CLOCK_TYPE_DPREFCLK, ATOM_GCK_DFS);
3132         } else {
3133                 amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
3134         }
3135
3136         /* initialize hpd */
3137         dce_v11_0_hpd_init(adev);
3138
3139         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3140                 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3141         }
3142
3143         dce_v11_0_pageflip_interrupt_init(adev);
3144
3145         return 0;
3146 }
3147
3148 static int dce_v11_0_hw_fini(void *handle)
3149 {
3150         int i;
3151         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3152
3153         dce_v11_0_hpd_fini(adev);
3154
3155         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3156                 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3157         }
3158
3159         dce_v11_0_pageflip_interrupt_fini(adev);
3160
3161         return 0;
3162 }
3163
3164 static int dce_v11_0_suspend(void *handle)
3165 {
3166         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3167
3168         amdgpu_atombios_scratch_regs_save(adev);
3169
3170         return dce_v11_0_hw_fini(handle);
3171 }
3172
3173 static int dce_v11_0_resume(void *handle)
3174 {
3175         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3176         int ret;
3177
3178         ret = dce_v11_0_hw_init(handle);
3179
3180         amdgpu_atombios_scratch_regs_restore(adev);
3181
3182         /* turn on the BL */
3183         if (adev->mode_info.bl_encoder) {
3184                 u8 bl_level = amdgpu_display_backlight_get_level(adev,
3185                                                                   adev->mode_info.bl_encoder);
3186                 amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
3187                                                     bl_level);
3188         }
3189
3190         return ret;
3191 }
3192
3193 static bool dce_v11_0_is_idle(void *handle)
3194 {
3195         return true;
3196 }
3197
3198 static int dce_v11_0_wait_for_idle(void *handle)
3199 {
3200         return 0;
3201 }
3202
3203 static int dce_v11_0_soft_reset(void *handle)
3204 {
3205         u32 srbm_soft_reset = 0, tmp;
3206         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3207
3208         if (dce_v11_0_is_display_hung(adev))
3209                 srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK;
3210
3211         if (srbm_soft_reset) {
3212                 tmp = RREG32(mmSRBM_SOFT_RESET);
3213                 tmp |= srbm_soft_reset;
3214                 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
3215                 WREG32(mmSRBM_SOFT_RESET, tmp);
3216                 tmp = RREG32(mmSRBM_SOFT_RESET);
3217
3218                 udelay(50);
3219
3220                 tmp &= ~srbm_soft_reset;
3221                 WREG32(mmSRBM_SOFT_RESET, tmp);
3222                 tmp = RREG32(mmSRBM_SOFT_RESET);
3223
3224                 /* Wait a little for things to settle down */
3225                 udelay(50);
3226         }
3227         return 0;
3228 }
3229
3230 static void dce_v11_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
3231                                                      int crtc,
3232                                                      enum amdgpu_interrupt_state state)
3233 {
3234         u32 lb_interrupt_mask;
3235
3236         if (crtc >= adev->mode_info.num_crtc) {
3237                 DRM_DEBUG("invalid crtc %d\n", crtc);
3238                 return;
3239         }
3240
3241         switch (state) {
3242         case AMDGPU_IRQ_STATE_DISABLE:
3243                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3244                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3245                                                   VBLANK_INTERRUPT_MASK, 0);
3246                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3247                 break;
3248         case AMDGPU_IRQ_STATE_ENABLE:
3249                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3250                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3251                                                   VBLANK_INTERRUPT_MASK, 1);
3252                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3253                 break;
3254         default:
3255                 break;
3256         }
3257 }
3258
3259 static void dce_v11_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
3260                                                     int crtc,
3261                                                     enum amdgpu_interrupt_state state)
3262 {
3263         u32 lb_interrupt_mask;
3264
3265         if (crtc >= adev->mode_info.num_crtc) {
3266                 DRM_DEBUG("invalid crtc %d\n", crtc);
3267                 return;
3268         }
3269
3270         switch (state) {
3271         case AMDGPU_IRQ_STATE_DISABLE:
3272                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3273                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3274                                                   VLINE_INTERRUPT_MASK, 0);
3275                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3276                 break;
3277         case AMDGPU_IRQ_STATE_ENABLE:
3278                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3279                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3280                                                   VLINE_INTERRUPT_MASK, 1);
3281                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3282                 break;
3283         default:
3284                 break;
3285         }
3286 }
3287
3288 static int dce_v11_0_set_hpd_irq_state(struct amdgpu_device *adev,
3289                                         struct amdgpu_irq_src *source,
3290                                         unsigned hpd,
3291                                         enum amdgpu_interrupt_state state)
3292 {
3293         u32 tmp;
3294
3295         if (hpd >= adev->mode_info.num_hpd) {
3296                 DRM_DEBUG("invalid hdp %d\n", hpd);
3297                 return 0;
3298         }
3299
3300         switch (state) {
3301         case AMDGPU_IRQ_STATE_DISABLE:
3302                 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3303                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
3304                 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3305                 break;
3306         case AMDGPU_IRQ_STATE_ENABLE:
3307                 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3308                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 1);
3309                 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3310                 break;
3311         default:
3312                 break;
3313         }
3314
3315         return 0;
3316 }
3317
3318 static int dce_v11_0_set_crtc_irq_state(struct amdgpu_device *adev,
3319                                         struct amdgpu_irq_src *source,
3320                                         unsigned type,
3321                                         enum amdgpu_interrupt_state state)
3322 {
3323         switch (type) {
3324         case AMDGPU_CRTC_IRQ_VBLANK1:
3325                 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 0, state);
3326                 break;
3327         case AMDGPU_CRTC_IRQ_VBLANK2:
3328                 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 1, state);
3329                 break;
3330         case AMDGPU_CRTC_IRQ_VBLANK3:
3331                 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 2, state);
3332                 break;
3333         case AMDGPU_CRTC_IRQ_VBLANK4:
3334                 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 3, state);
3335                 break;
3336         case AMDGPU_CRTC_IRQ_VBLANK5:
3337                 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 4, state);
3338                 break;
3339         case AMDGPU_CRTC_IRQ_VBLANK6:
3340                 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 5, state);
3341                 break;
3342         case AMDGPU_CRTC_IRQ_VLINE1:
3343                 dce_v11_0_set_crtc_vline_interrupt_state(adev, 0, state);
3344                 break;
3345         case AMDGPU_CRTC_IRQ_VLINE2:
3346                 dce_v11_0_set_crtc_vline_interrupt_state(adev, 1, state);
3347                 break;
3348         case AMDGPU_CRTC_IRQ_VLINE3:
3349                 dce_v11_0_set_crtc_vline_interrupt_state(adev, 2, state);
3350                 break;
3351         case AMDGPU_CRTC_IRQ_VLINE4:
3352                 dce_v11_0_set_crtc_vline_interrupt_state(adev, 3, state);
3353                 break;
3354         case AMDGPU_CRTC_IRQ_VLINE5:
3355                 dce_v11_0_set_crtc_vline_interrupt_state(adev, 4, state);
3356                 break;
3357          case AMDGPU_CRTC_IRQ_VLINE6:
3358                 dce_v11_0_set_crtc_vline_interrupt_state(adev, 5, state);
3359                 break;
3360         default:
3361                 break;
3362         }
3363         return 0;
3364 }
3365
3366 static int dce_v11_0_set_pageflip_irq_state(struct amdgpu_device *adev,
3367                                             struct amdgpu_irq_src *src,
3368                                             unsigned type,
3369                                             enum amdgpu_interrupt_state state)
3370 {
3371         u32 reg;
3372
3373         if (type >= adev->mode_info.num_crtc) {
3374                 DRM_ERROR("invalid pageflip crtc %d\n", type);
3375                 return -EINVAL;
3376         }
3377
3378         reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3379         if (state == AMDGPU_IRQ_STATE_DISABLE)
3380                 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3381                        reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3382         else
3383                 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3384                        reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3385
3386         return 0;
3387 }
3388
3389 static int dce_v11_0_pageflip_irq(struct amdgpu_device *adev,
3390                                   struct amdgpu_irq_src *source,
3391                                   struct amdgpu_iv_entry *entry)
3392 {
3393         unsigned long flags;
3394         unsigned crtc_id;
3395         struct amdgpu_crtc *amdgpu_crtc;
3396         struct amdgpu_flip_work *works;
3397
3398         crtc_id = (entry->src_id - 8) >> 1;
3399         amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3400
3401         if (crtc_id >= adev->mode_info.num_crtc) {
3402                 DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3403                 return -EINVAL;
3404         }
3405
3406         if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3407             GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3408                 WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3409                        GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3410
3411         /* IRQ could occur when in initial stage */
3412         if(amdgpu_crtc == NULL)
3413                 return 0;
3414
3415         spin_lock_irqsave(&adev->ddev->event_lock, flags);
3416         works = amdgpu_crtc->pflip_works;
3417         if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
3418                 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3419                                                  "AMDGPU_FLIP_SUBMITTED(%d)\n",
3420                                                  amdgpu_crtc->pflip_status,
3421                                                  AMDGPU_FLIP_SUBMITTED);
3422                 spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3423                 return 0;
3424         }
3425
3426         /* page flip completed. clean up */
3427         amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3428         amdgpu_crtc->pflip_works = NULL;
3429
3430         /* wakeup usersapce */
3431         if(works->event)
3432                 drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3433
3434         spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3435
3436         drm_vblank_put(adev->ddev, amdgpu_crtc->crtc_id);
3437         schedule_work(&works->unpin_work);
3438
3439         return 0;
3440 }
3441
3442 static void dce_v11_0_hpd_int_ack(struct amdgpu_device *adev,
3443                                   int hpd)
3444 {
3445         u32 tmp;
3446
3447         if (hpd >= adev->mode_info.num_hpd) {
3448                 DRM_DEBUG("invalid hdp %d\n", hpd);
3449                 return;
3450         }
3451
3452         tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3453         tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_ACK, 1);
3454         WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3455 }
3456
3457 static void dce_v11_0_crtc_vblank_int_ack(struct amdgpu_device *adev,
3458                                           int crtc)
3459 {
3460         u32 tmp;
3461
3462         if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
3463                 DRM_DEBUG("invalid crtc %d\n", crtc);
3464                 return;
3465         }
3466
3467         tmp = RREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc]);
3468         tmp = REG_SET_FIELD(tmp, LB_VBLANK_STATUS, VBLANK_ACK, 1);
3469         WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], tmp);
3470 }
3471
3472 static void dce_v11_0_crtc_vline_int_ack(struct amdgpu_device *adev,
3473                                          int crtc)
3474 {
3475         u32 tmp;
3476
3477         if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
3478                 DRM_DEBUG("invalid crtc %d\n", crtc);
3479                 return;
3480         }
3481
3482         tmp = RREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc]);
3483         tmp = REG_SET_FIELD(tmp, LB_VLINE_STATUS, VLINE_ACK, 1);
3484         WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], tmp);
3485 }
3486
3487 static int dce_v11_0_crtc_irq(struct amdgpu_device *adev,
3488                                 struct amdgpu_irq_src *source,
3489                                 struct amdgpu_iv_entry *entry)
3490 {
3491         unsigned crtc = entry->src_id - 1;
3492         uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
3493         unsigned irq_type = amdgpu_crtc_idx_to_irq_type(adev, crtc);
3494
3495         switch (entry->src_data) {
3496         case 0: /* vblank */
3497                 if (disp_int & interrupt_status_offsets[crtc].vblank)
3498                         dce_v11_0_crtc_vblank_int_ack(adev, crtc);
3499                 else
3500                         DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3501
3502                 if (amdgpu_irq_enabled(adev, source, irq_type)) {
3503                         drm_handle_vblank(adev->ddev, crtc);
3504                 }
3505                 DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3506
3507                 break;
3508         case 1: /* vline */
3509                 if (disp_int & interrupt_status_offsets[crtc].vline)
3510                         dce_v11_0_crtc_vline_int_ack(adev, crtc);
3511                 else
3512                         DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3513
3514                 DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3515
3516                 break;
3517         default:
3518                 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data);
3519                 break;
3520         }
3521
3522         return 0;
3523 }
3524
3525 static int dce_v11_0_hpd_irq(struct amdgpu_device *adev,
3526                              struct amdgpu_irq_src *source,
3527                              struct amdgpu_iv_entry *entry)
3528 {
3529         uint32_t disp_int, mask;
3530         unsigned hpd;
3531
3532         if (entry->src_data >= adev->mode_info.num_hpd) {
3533                 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data);
3534                 return 0;
3535         }
3536
3537         hpd = entry->src_data;
3538         disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3539         mask = interrupt_status_offsets[hpd].hpd;
3540
3541         if (disp_int & mask) {
3542                 dce_v11_0_hpd_int_ack(adev, hpd);
3543                 schedule_work(&adev->hotplug_work);
3544                 DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3545         }
3546
3547         return 0;
3548 }
3549
3550 static int dce_v11_0_set_clockgating_state(void *handle,
3551                                           enum amd_clockgating_state state)
3552 {
3553         return 0;
3554 }
3555
3556 static int dce_v11_0_set_powergating_state(void *handle,
3557                                           enum amd_powergating_state state)
3558 {
3559         return 0;
3560 }
3561
3562 const struct amd_ip_funcs dce_v11_0_ip_funcs = {
3563         .name = "dce_v11_0",
3564         .early_init = dce_v11_0_early_init,
3565         .late_init = NULL,
3566         .sw_init = dce_v11_0_sw_init,
3567         .sw_fini = dce_v11_0_sw_fini,
3568         .hw_init = dce_v11_0_hw_init,
3569         .hw_fini = dce_v11_0_hw_fini,
3570         .suspend = dce_v11_0_suspend,
3571         .resume = dce_v11_0_resume,
3572         .is_idle = dce_v11_0_is_idle,
3573         .wait_for_idle = dce_v11_0_wait_for_idle,
3574         .soft_reset = dce_v11_0_soft_reset,
3575         .set_clockgating_state = dce_v11_0_set_clockgating_state,
3576         .set_powergating_state = dce_v11_0_set_powergating_state,
3577 };
3578
3579 static void
3580 dce_v11_0_encoder_mode_set(struct drm_encoder *encoder,
3581                           struct drm_display_mode *mode,
3582                           struct drm_display_mode *adjusted_mode)
3583 {
3584         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3585
3586         amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3587
3588         /* need to call this here rather than in prepare() since we need some crtc info */
3589         amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3590
3591         /* set scaler clears this on some chips */
3592         dce_v11_0_set_interleave(encoder->crtc, mode);
3593
3594         if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
3595                 dce_v11_0_afmt_enable(encoder, true);
3596                 dce_v11_0_afmt_setmode(encoder, adjusted_mode);
3597         }
3598 }
3599
3600 static void dce_v11_0_encoder_prepare(struct drm_encoder *encoder)
3601 {
3602         struct amdgpu_device *adev = encoder->dev->dev_private;
3603         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3604         struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3605
3606         if ((amdgpu_encoder->active_device &
3607              (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3608             (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3609              ENCODER_OBJECT_ID_NONE)) {
3610                 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3611                 if (dig) {
3612                         dig->dig_encoder = dce_v11_0_pick_dig_encoder(encoder);
3613                         if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3614                                 dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3615                 }
3616         }
3617
3618         amdgpu_atombios_scratch_regs_lock(adev, true);
3619
3620         if (connector) {
3621                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3622
3623                 /* select the clock/data port if it uses a router */
3624                 if (amdgpu_connector->router.cd_valid)
3625                         amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3626
3627                 /* turn eDP panel on for mode set */
3628                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3629                         amdgpu_atombios_encoder_set_edp_panel_power(connector,
3630                                                              ATOM_TRANSMITTER_ACTION_POWER_ON);
3631         }
3632
3633         /* this is needed for the pll/ss setup to work correctly in some cases */
3634         amdgpu_atombios_encoder_set_crtc_source(encoder);
3635         /* set up the FMT blocks */
3636         dce_v11_0_program_fmt(encoder);
3637 }
3638
3639 static void dce_v11_0_encoder_commit(struct drm_encoder *encoder)
3640 {
3641         struct drm_device *dev = encoder->dev;
3642         struct amdgpu_device *adev = dev->dev_private;
3643
3644         /* need to call this here as we need the crtc set up */
3645         amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3646         amdgpu_atombios_scratch_regs_lock(adev, false);
3647 }
3648
3649 static void dce_v11_0_encoder_disable(struct drm_encoder *encoder)
3650 {
3651         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3652         struct amdgpu_encoder_atom_dig *dig;
3653
3654         amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3655
3656         if (amdgpu_atombios_encoder_is_digital(encoder)) {
3657                 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
3658                         dce_v11_0_afmt_enable(encoder, false);
3659                 dig = amdgpu_encoder->enc_priv;
3660                 dig->dig_encoder = -1;
3661         }
3662         amdgpu_encoder->active_device = 0;
3663 }
3664
3665 /* these are handled by the primary encoders */
3666 static void dce_v11_0_ext_prepare(struct drm_encoder *encoder)
3667 {
3668
3669 }
3670
3671 static void dce_v11_0_ext_commit(struct drm_encoder *encoder)
3672 {
3673
3674 }
3675
3676 static void
3677 dce_v11_0_ext_mode_set(struct drm_encoder *encoder,
3678                       struct drm_display_mode *mode,
3679                       struct drm_display_mode *adjusted_mode)
3680 {
3681
3682 }
3683
3684 static void dce_v11_0_ext_disable(struct drm_encoder *encoder)
3685 {
3686
3687 }
3688
3689 static void
3690 dce_v11_0_ext_dpms(struct drm_encoder *encoder, int mode)
3691 {
3692
3693 }
3694
3695 static const struct drm_encoder_helper_funcs dce_v11_0_ext_helper_funcs = {
3696         .dpms = dce_v11_0_ext_dpms,
3697         .prepare = dce_v11_0_ext_prepare,
3698         .mode_set = dce_v11_0_ext_mode_set,
3699         .commit = dce_v11_0_ext_commit,
3700         .disable = dce_v11_0_ext_disable,
3701         /* no detect for TMDS/LVDS yet */
3702 };
3703
3704 static const struct drm_encoder_helper_funcs dce_v11_0_dig_helper_funcs = {
3705         .dpms = amdgpu_atombios_encoder_dpms,
3706         .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3707         .prepare = dce_v11_0_encoder_prepare,
3708         .mode_set = dce_v11_0_encoder_mode_set,
3709         .commit = dce_v11_0_encoder_commit,
3710         .disable = dce_v11_0_encoder_disable,
3711         .detect = amdgpu_atombios_encoder_dig_detect,
3712 };
3713
3714 static const struct drm_encoder_helper_funcs dce_v11_0_dac_helper_funcs = {
3715         .dpms = amdgpu_atombios_encoder_dpms,
3716         .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3717         .prepare = dce_v11_0_encoder_prepare,
3718         .mode_set = dce_v11_0_encoder_mode_set,
3719         .commit = dce_v11_0_encoder_commit,
3720         .detect = amdgpu_atombios_encoder_dac_detect,
3721 };
3722
3723 static void dce_v11_0_encoder_destroy(struct drm_encoder *encoder)
3724 {
3725         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3726         if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3727                 amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3728         kfree(amdgpu_encoder->enc_priv);
3729         drm_encoder_cleanup(encoder);
3730         kfree(amdgpu_encoder);
3731 }
3732
3733 static const struct drm_encoder_funcs dce_v11_0_encoder_funcs = {
3734         .destroy = dce_v11_0_encoder_destroy,
3735 };
3736
3737 static void dce_v11_0_encoder_add(struct amdgpu_device *adev,
3738                                  uint32_t encoder_enum,
3739                                  uint32_t supported_device,
3740                                  u16 caps)
3741 {
3742         struct drm_device *dev = adev->ddev;
3743         struct drm_encoder *encoder;
3744         struct amdgpu_encoder *amdgpu_encoder;
3745
3746         /* see if we already added it */
3747         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3748                 amdgpu_encoder = to_amdgpu_encoder(encoder);
3749                 if (amdgpu_encoder->encoder_enum == encoder_enum) {
3750                         amdgpu_encoder->devices |= supported_device;
3751                         return;
3752                 }
3753
3754         }
3755
3756         /* add a new one */
3757         amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3758         if (!amdgpu_encoder)
3759                 return;
3760
3761         encoder = &amdgpu_encoder->base;
3762         switch (adev->mode_info.num_crtc) {
3763         case 1:
3764                 encoder->possible_crtcs = 0x1;
3765                 break;
3766         case 2:
3767         default:
3768                 encoder->possible_crtcs = 0x3;
3769                 break;
3770         case 4:
3771                 encoder->possible_crtcs = 0xf;
3772                 break;
3773         case 6:
3774                 encoder->possible_crtcs = 0x3f;
3775                 break;
3776         }
3777
3778         amdgpu_encoder->enc_priv = NULL;
3779
3780         amdgpu_encoder->encoder_enum = encoder_enum;
3781         amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3782         amdgpu_encoder->devices = supported_device;
3783         amdgpu_encoder->rmx_type = RMX_OFF;
3784         amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3785         amdgpu_encoder->is_ext_encoder = false;
3786         amdgpu_encoder->caps = caps;
3787
3788         switch (amdgpu_encoder->encoder_id) {
3789         case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3790         case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3791                 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3792                                  DRM_MODE_ENCODER_DAC, NULL);
3793                 drm_encoder_helper_add(encoder, &dce_v11_0_dac_helper_funcs);
3794                 break;
3795         case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3796         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3797         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3798         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3799         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3800                 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3801                         amdgpu_encoder->rmx_type = RMX_FULL;
3802                         drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3803                                          DRM_MODE_ENCODER_LVDS, NULL);
3804                         amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3805                 } else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3806                         drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3807                                          DRM_MODE_ENCODER_DAC, NULL);
3808                         amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3809                 } else {
3810                         drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3811                                          DRM_MODE_ENCODER_TMDS, NULL);
3812                         amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3813                 }
3814                 drm_encoder_helper_add(encoder, &dce_v11_0_dig_helper_funcs);
3815                 break;
3816         case ENCODER_OBJECT_ID_SI170B:
3817         case ENCODER_OBJECT_ID_CH7303:
3818         case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3819         case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3820         case ENCODER_OBJECT_ID_TITFP513:
3821         case ENCODER_OBJECT_ID_VT1623:
3822         case ENCODER_OBJECT_ID_HDMI_SI1930:
3823         case ENCODER_OBJECT_ID_TRAVIS:
3824         case ENCODER_OBJECT_ID_NUTMEG:
3825                 /* these are handled by the primary encoders */
3826                 amdgpu_encoder->is_ext_encoder = true;
3827                 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3828                         drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3829                                          DRM_MODE_ENCODER_LVDS, NULL);
3830                 else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3831                         drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3832                                          DRM_MODE_ENCODER_DAC, NULL);
3833                 else
3834                         drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3835                                          DRM_MODE_ENCODER_TMDS, NULL);
3836                 drm_encoder_helper_add(encoder, &dce_v11_0_ext_helper_funcs);
3837                 break;
3838         }
3839 }
3840
3841 static const struct amdgpu_display_funcs dce_v11_0_display_funcs = {
3842         .set_vga_render_state = &dce_v11_0_set_vga_render_state,
3843         .bandwidth_update = &dce_v11_0_bandwidth_update,
3844         .vblank_get_counter = &dce_v11_0_vblank_get_counter,
3845         .vblank_wait = &dce_v11_0_vblank_wait,
3846         .is_display_hung = &dce_v11_0_is_display_hung,
3847         .backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3848         .backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3849         .hpd_sense = &dce_v11_0_hpd_sense,
3850         .hpd_set_polarity = &dce_v11_0_hpd_set_polarity,
3851         .hpd_get_gpio_reg = &dce_v11_0_hpd_get_gpio_reg,
3852         .page_flip = &dce_v11_0_page_flip,
3853         .page_flip_get_scanoutpos = &dce_v11_0_crtc_get_scanoutpos,
3854         .add_encoder = &dce_v11_0_encoder_add,
3855         .add_connector = &amdgpu_connector_add,
3856         .stop_mc_access = &dce_v11_0_stop_mc_access,
3857         .resume_mc_access = &dce_v11_0_resume_mc_access,
3858 };
3859
3860 static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev)
3861 {
3862         if (adev->mode_info.funcs == NULL)
3863                 adev->mode_info.funcs = &dce_v11_0_display_funcs;
3864 }
3865
3866 static const struct amdgpu_irq_src_funcs dce_v11_0_crtc_irq_funcs = {
3867         .set = dce_v11_0_set_crtc_irq_state,
3868         .process = dce_v11_0_crtc_irq,
3869 };
3870
3871 static const struct amdgpu_irq_src_funcs dce_v11_0_pageflip_irq_funcs = {
3872         .set = dce_v11_0_set_pageflip_irq_state,
3873         .process = dce_v11_0_pageflip_irq,
3874 };
3875
3876 static const struct amdgpu_irq_src_funcs dce_v11_0_hpd_irq_funcs = {
3877         .set = dce_v11_0_set_hpd_irq_state,
3878         .process = dce_v11_0_hpd_irq,
3879 };
3880
3881 static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev)
3882 {
3883         adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_LAST;
3884         adev->crtc_irq.funcs = &dce_v11_0_crtc_irq_funcs;
3885
3886         adev->pageflip_irq.num_types = AMDGPU_PAGEFLIP_IRQ_LAST;
3887         adev->pageflip_irq.funcs = &dce_v11_0_pageflip_irq_funcs;
3888
3889         adev->hpd_irq.num_types = AMDGPU_HPD_LAST;
3890         adev->hpd_irq.funcs = &dce_v11_0_hpd_irq_funcs;
3891 }