Merge branch 'parisc-4.6-4' of git://git.kernel.org/pub/scm/linux/kernel/git/deller...
[cascardo/linux.git] / drivers / gpu / drm / amd / amdgpu / dce_v10_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_10_0_d.h"
36 #include "dce/dce_10_0_sh_mask.h"
37 #include "dce/dce_10_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_v10_0_set_display_funcs(struct amdgpu_device *adev);
44 static void dce_v10_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 };
76
77 static const struct {
78         uint32_t        reg;
79         uint32_t        vblank;
80         uint32_t        vline;
81         uint32_t        hpd;
82
83 } interrupt_status_offsets[] = { {
84         .reg = mmDISP_INTERRUPT_STATUS,
85         .vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
86         .vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
87         .hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
88 }, {
89         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
90         .vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
91         .vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
92         .hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
93 }, {
94         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
95         .vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
96         .vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
97         .hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
98 }, {
99         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
100         .vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
101         .vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
102         .hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
103 }, {
104         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
105         .vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
106         .vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
107         .hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
108 }, {
109         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
110         .vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
111         .vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
112         .hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
113 } };
114
115 static const u32 golden_settings_tonga_a11[] =
116 {
117         mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
118         mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
119         mmFBC_MISC, 0x1f311fff, 0x12300000,
120         mmHDMI_CONTROL, 0x31000111, 0x00000011,
121 };
122
123 static const u32 tonga_mgcg_cgcg_init[] =
124 {
125         mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
126         mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
127 };
128
129 static const u32 golden_settings_fiji_a10[] =
130 {
131         mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
132         mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
133         mmFBC_MISC, 0x1f311fff, 0x12300000,
134         mmHDMI_CONTROL, 0x31000111, 0x00000011,
135 };
136
137 static const u32 fiji_mgcg_cgcg_init[] =
138 {
139         mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
140         mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
141 };
142
143 static void dce_v10_0_init_golden_registers(struct amdgpu_device *adev)
144 {
145         switch (adev->asic_type) {
146         case CHIP_FIJI:
147                 amdgpu_program_register_sequence(adev,
148                                                  fiji_mgcg_cgcg_init,
149                                                  (const u32)ARRAY_SIZE(fiji_mgcg_cgcg_init));
150                 amdgpu_program_register_sequence(adev,
151                                                  golden_settings_fiji_a10,
152                                                  (const u32)ARRAY_SIZE(golden_settings_fiji_a10));
153                 break;
154         case CHIP_TONGA:
155                 amdgpu_program_register_sequence(adev,
156                                                  tonga_mgcg_cgcg_init,
157                                                  (const u32)ARRAY_SIZE(tonga_mgcg_cgcg_init));
158                 amdgpu_program_register_sequence(adev,
159                                                  golden_settings_tonga_a11,
160                                                  (const u32)ARRAY_SIZE(golden_settings_tonga_a11));
161                 break;
162         default:
163                 break;
164         }
165 }
166
167 static u32 dce_v10_0_audio_endpt_rreg(struct amdgpu_device *adev,
168                                      u32 block_offset, u32 reg)
169 {
170         unsigned long flags;
171         u32 r;
172
173         spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
174         WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
175         r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
176         spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
177
178         return r;
179 }
180
181 static void dce_v10_0_audio_endpt_wreg(struct amdgpu_device *adev,
182                                       u32 block_offset, u32 reg, u32 v)
183 {
184         unsigned long flags;
185
186         spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
187         WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
188         WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
189         spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
190 }
191
192 static bool dce_v10_0_is_in_vblank(struct amdgpu_device *adev, int crtc)
193 {
194         if (RREG32(mmCRTC_STATUS + crtc_offsets[crtc]) &
195                         CRTC_V_BLANK_START_END__CRTC_V_BLANK_START_MASK)
196                 return true;
197         else
198                 return false;
199 }
200
201 static bool dce_v10_0_is_counter_moving(struct amdgpu_device *adev, int crtc)
202 {
203         u32 pos1, pos2;
204
205         pos1 = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
206         pos2 = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
207
208         if (pos1 != pos2)
209                 return true;
210         else
211                 return false;
212 }
213
214 /**
215  * dce_v10_0_vblank_wait - vblank wait asic callback.
216  *
217  * @adev: amdgpu_device pointer
218  * @crtc: crtc to wait for vblank on
219  *
220  * Wait for vblank on the requested crtc (evergreen+).
221  */
222 static void dce_v10_0_vblank_wait(struct amdgpu_device *adev, int crtc)
223 {
224         unsigned i = 0;
225
226         if (crtc >= adev->mode_info.num_crtc)
227                 return;
228
229         if (!(RREG32(mmCRTC_CONTROL + crtc_offsets[crtc]) & CRTC_CONTROL__CRTC_MASTER_EN_MASK))
230                 return;
231
232         /* depending on when we hit vblank, we may be close to active; if so,
233          * wait for another frame.
234          */
235         while (dce_v10_0_is_in_vblank(adev, crtc)) {
236                 if (i++ % 100 == 0) {
237                         if (!dce_v10_0_is_counter_moving(adev, crtc))
238                                 break;
239                 }
240         }
241
242         while (!dce_v10_0_is_in_vblank(adev, crtc)) {
243                 if (i++ % 100 == 0) {
244                         if (!dce_v10_0_is_counter_moving(adev, crtc))
245                                 break;
246                 }
247         }
248 }
249
250 static u32 dce_v10_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
251 {
252         if (crtc >= adev->mode_info.num_crtc)
253                 return 0;
254         else
255                 return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
256 }
257
258 static void dce_v10_0_pageflip_interrupt_init(struct amdgpu_device *adev)
259 {
260         unsigned i;
261
262         /* Enable pflip interrupts */
263         for (i = 0; i < adev->mode_info.num_crtc; i++)
264                 amdgpu_irq_get(adev, &adev->pageflip_irq, i);
265 }
266
267 static void dce_v10_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
268 {
269         unsigned i;
270
271         /* Disable pflip interrupts */
272         for (i = 0; i < adev->mode_info.num_crtc; i++)
273                 amdgpu_irq_put(adev, &adev->pageflip_irq, i);
274 }
275
276 /**
277  * dce_v10_0_page_flip - pageflip callback.
278  *
279  * @adev: amdgpu_device pointer
280  * @crtc_id: crtc to cleanup pageflip on
281  * @crtc_base: new address of the crtc (GPU MC address)
282  *
283  * Triggers the actual pageflip by updating the primary
284  * surface base address.
285  */
286 static void dce_v10_0_page_flip(struct amdgpu_device *adev,
287                               int crtc_id, u64 crtc_base)
288 {
289         struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
290
291         /* update the primary scanout address */
292         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
293                upper_32_bits(crtc_base));
294         /* writing to the low address triggers the update */
295         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
296                lower_32_bits(crtc_base));
297         /* post the write */
298         RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
299 }
300
301 static int dce_v10_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
302                                         u32 *vbl, u32 *position)
303 {
304         if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
305                 return -EINVAL;
306
307         *vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
308         *position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
309
310         return 0;
311 }
312
313 /**
314  * dce_v10_0_hpd_sense - hpd sense callback.
315  *
316  * @adev: amdgpu_device pointer
317  * @hpd: hpd (hotplug detect) pin
318  *
319  * Checks if a digital monitor is connected (evergreen+).
320  * Returns true if connected, false if not connected.
321  */
322 static bool dce_v10_0_hpd_sense(struct amdgpu_device *adev,
323                                enum amdgpu_hpd_id hpd)
324 {
325         int idx;
326         bool connected = false;
327
328         switch (hpd) {
329         case AMDGPU_HPD_1:
330                 idx = 0;
331                 break;
332         case AMDGPU_HPD_2:
333                 idx = 1;
334                 break;
335         case AMDGPU_HPD_3:
336                 idx = 2;
337                 break;
338         case AMDGPU_HPD_4:
339                 idx = 3;
340                 break;
341         case AMDGPU_HPD_5:
342                 idx = 4;
343                 break;
344         case AMDGPU_HPD_6:
345                 idx = 5;
346                 break;
347         default:
348                 return connected;
349         }
350
351         if (RREG32(mmDC_HPD_INT_STATUS + hpd_offsets[idx]) &
352             DC_HPD_INT_STATUS__DC_HPD_SENSE_MASK)
353                 connected = true;
354
355         return connected;
356 }
357
358 /**
359  * dce_v10_0_hpd_set_polarity - hpd set polarity callback.
360  *
361  * @adev: amdgpu_device pointer
362  * @hpd: hpd (hotplug detect) pin
363  *
364  * Set the polarity of the hpd pin (evergreen+).
365  */
366 static void dce_v10_0_hpd_set_polarity(struct amdgpu_device *adev,
367                                       enum amdgpu_hpd_id hpd)
368 {
369         u32 tmp;
370         bool connected = dce_v10_0_hpd_sense(adev, hpd);
371         int idx;
372
373         switch (hpd) {
374         case AMDGPU_HPD_1:
375                 idx = 0;
376                 break;
377         case AMDGPU_HPD_2:
378                 idx = 1;
379                 break;
380         case AMDGPU_HPD_3:
381                 idx = 2;
382                 break;
383         case AMDGPU_HPD_4:
384                 idx = 3;
385                 break;
386         case AMDGPU_HPD_5:
387                 idx = 4;
388                 break;
389         case AMDGPU_HPD_6:
390                 idx = 5;
391                 break;
392         default:
393                 return;
394         }
395
396         tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[idx]);
397         if (connected)
398                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 0);
399         else
400                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 1);
401         WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[idx], tmp);
402 }
403
404 /**
405  * dce_v10_0_hpd_init - hpd setup callback.
406  *
407  * @adev: amdgpu_device pointer
408  *
409  * Setup the hpd pins used by the card (evergreen+).
410  * Enable the pin, set the polarity, and enable the hpd interrupts.
411  */
412 static void dce_v10_0_hpd_init(struct amdgpu_device *adev)
413 {
414         struct drm_device *dev = adev->ddev;
415         struct drm_connector *connector;
416         u32 tmp;
417         int idx;
418
419         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
420                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
421
422                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
423                     connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
424                         /* don't try to enable hpd on eDP or LVDS avoid breaking the
425                          * aux dp channel on imac and help (but not completely fix)
426                          * https://bugzilla.redhat.com/show_bug.cgi?id=726143
427                          * also avoid interrupt storms during dpms.
428                          */
429                         continue;
430                 }
431
432                 switch (amdgpu_connector->hpd.hpd) {
433                 case AMDGPU_HPD_1:
434                         idx = 0;
435                         break;
436                 case AMDGPU_HPD_2:
437                         idx = 1;
438                         break;
439                 case AMDGPU_HPD_3:
440                         idx = 2;
441                         break;
442                 case AMDGPU_HPD_4:
443                         idx = 3;
444                         break;
445                 case AMDGPU_HPD_5:
446                         idx = 4;
447                         break;
448                 case AMDGPU_HPD_6:
449                         idx = 5;
450                         break;
451                 default:
452                         continue;
453                 }
454
455                 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[idx]);
456                 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 1);
457                 WREG32(mmDC_HPD_CONTROL + hpd_offsets[idx], tmp);
458
459                 tmp = RREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[idx]);
460                 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
461                                     DC_HPD_CONNECT_INT_DELAY,
462                                     AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS);
463                 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
464                                     DC_HPD_DISCONNECT_INT_DELAY,
465                                     AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS);
466                 WREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[idx], tmp);
467
468                 dce_v10_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
469                 amdgpu_irq_get(adev, &adev->hpd_irq,
470                                amdgpu_connector->hpd.hpd);
471         }
472 }
473
474 /**
475  * dce_v10_0_hpd_fini - hpd tear down callback.
476  *
477  * @adev: amdgpu_device pointer
478  *
479  * Tear down the hpd pins used by the card (evergreen+).
480  * Disable the hpd interrupts.
481  */
482 static void dce_v10_0_hpd_fini(struct amdgpu_device *adev)
483 {
484         struct drm_device *dev = adev->ddev;
485         struct drm_connector *connector;
486         u32 tmp;
487         int idx;
488
489         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
490                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
491
492                 switch (amdgpu_connector->hpd.hpd) {
493                 case AMDGPU_HPD_1:
494                         idx = 0;
495                         break;
496                 case AMDGPU_HPD_2:
497                         idx = 1;
498                         break;
499                 case AMDGPU_HPD_3:
500                         idx = 2;
501                         break;
502                 case AMDGPU_HPD_4:
503                         idx = 3;
504                         break;
505                 case AMDGPU_HPD_5:
506                         idx = 4;
507                         break;
508                 case AMDGPU_HPD_6:
509                         idx = 5;
510                         break;
511                 default:
512                         continue;
513                 }
514
515                 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[idx]);
516                 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 0);
517                 WREG32(mmDC_HPD_CONTROL + hpd_offsets[idx], tmp);
518
519                 amdgpu_irq_put(adev, &adev->hpd_irq,
520                                amdgpu_connector->hpd.hpd);
521         }
522 }
523
524 static u32 dce_v10_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
525 {
526         return mmDC_GPIO_HPD_A;
527 }
528
529 static bool dce_v10_0_is_display_hung(struct amdgpu_device *adev)
530 {
531         u32 crtc_hung = 0;
532         u32 crtc_status[6];
533         u32 i, j, tmp;
534
535         for (i = 0; i < adev->mode_info.num_crtc; i++) {
536                 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
537                 if (REG_GET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN)) {
538                         crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
539                         crtc_hung |= (1 << i);
540                 }
541         }
542
543         for (j = 0; j < 10; j++) {
544                 for (i = 0; i < adev->mode_info.num_crtc; i++) {
545                         if (crtc_hung & (1 << i)) {
546                                 tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
547                                 if (tmp != crtc_status[i])
548                                         crtc_hung &= ~(1 << i);
549                         }
550                 }
551                 if (crtc_hung == 0)
552                         return false;
553                 udelay(100);
554         }
555
556         return true;
557 }
558
559 static void dce_v10_0_stop_mc_access(struct amdgpu_device *adev,
560                                      struct amdgpu_mode_mc_save *save)
561 {
562         u32 crtc_enabled, tmp;
563         int i;
564
565         save->vga_render_control = RREG32(mmVGA_RENDER_CONTROL);
566         save->vga_hdp_control = RREG32(mmVGA_HDP_CONTROL);
567
568         /* disable VGA render */
569         tmp = RREG32(mmVGA_RENDER_CONTROL);
570         tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
571         WREG32(mmVGA_RENDER_CONTROL, tmp);
572
573         /* blank the display controllers */
574         for (i = 0; i < adev->mode_info.num_crtc; i++) {
575                 crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]),
576                                              CRTC_CONTROL, CRTC_MASTER_EN);
577                 if (crtc_enabled) {
578 #if 0
579                         u32 frame_count;
580                         int j;
581
582                         save->crtc_enabled[i] = true;
583                         tmp = RREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i]);
584                         if (REG_GET_FIELD(tmp, CRTC_BLANK_CONTROL, CRTC_BLANK_DATA_EN) == 0) {
585                                 amdgpu_display_vblank_wait(adev, i);
586                                 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
587                                 tmp = REG_SET_FIELD(tmp, CRTC_BLANK_CONTROL, CRTC_BLANK_DATA_EN, 1);
588                                 WREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
589                                 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
590                         }
591                         /* wait for the next frame */
592                         frame_count = amdgpu_display_vblank_get_counter(adev, i);
593                         for (j = 0; j < adev->usec_timeout; j++) {
594                                 if (amdgpu_display_vblank_get_counter(adev, i) != frame_count)
595                                         break;
596                                 udelay(1);
597                         }
598                         tmp = RREG32(mmGRPH_UPDATE + crtc_offsets[i]);
599                         if (REG_GET_FIELD(tmp, GRPH_UPDATE, GRPH_UPDATE_LOCK) == 0) {
600                                 tmp = REG_SET_FIELD(tmp, GRPH_UPDATE, GRPH_UPDATE_LOCK, 1);
601                                 WREG32(mmGRPH_UPDATE + crtc_offsets[i], tmp);
602                         }
603                         tmp = RREG32(mmMASTER_UPDATE_LOCK + crtc_offsets[i]);
604                         if (REG_GET_FIELD(tmp, MASTER_UPDATE_LOCK, MASTER_UPDATE_LOCK) == 0) {
605                                 tmp = REG_SET_FIELD(tmp, MASTER_UPDATE_LOCK, MASTER_UPDATE_LOCK, 1);
606                                 WREG32(mmMASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
607                         }
608 #else
609                         /* XXX this is a hack to avoid strange behavior with EFI on certain systems */
610                         WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
611                         tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
612                         tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0);
613                         WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
614                         WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
615                         save->crtc_enabled[i] = false;
616                         /* ***** */
617 #endif
618                 } else {
619                         save->crtc_enabled[i] = false;
620                 }
621         }
622 }
623
624 static void dce_v10_0_resume_mc_access(struct amdgpu_device *adev,
625                                        struct amdgpu_mode_mc_save *save)
626 {
627         u32 tmp, frame_count;
628         int i, j;
629
630         /* update crtc base addresses */
631         for (i = 0; i < adev->mode_info.num_crtc; i++) {
632                 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i],
633                        upper_32_bits(adev->mc.vram_start));
634                 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i],
635                        upper_32_bits(adev->mc.vram_start));
636                 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + crtc_offsets[i],
637                        (u32)adev->mc.vram_start);
638                 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + crtc_offsets[i],
639                        (u32)adev->mc.vram_start);
640
641                 if (save->crtc_enabled[i]) {
642                         tmp = RREG32(mmMASTER_UPDATE_MODE + crtc_offsets[i]);
643                         if (REG_GET_FIELD(tmp, MASTER_UPDATE_MODE, MASTER_UPDATE_MODE) != 3) {
644                                 tmp = REG_SET_FIELD(tmp, MASTER_UPDATE_MODE, MASTER_UPDATE_MODE, 3);
645                                 WREG32(mmMASTER_UPDATE_MODE + crtc_offsets[i], tmp);
646                         }
647                         tmp = RREG32(mmGRPH_UPDATE + crtc_offsets[i]);
648                         if (REG_GET_FIELD(tmp, GRPH_UPDATE, GRPH_UPDATE_LOCK)) {
649                                 tmp = REG_SET_FIELD(tmp, GRPH_UPDATE, GRPH_UPDATE_LOCK, 0);
650                                 WREG32(mmGRPH_UPDATE + crtc_offsets[i], tmp);
651                         }
652                         tmp = RREG32(mmMASTER_UPDATE_LOCK + crtc_offsets[i]);
653                         if (REG_GET_FIELD(tmp, MASTER_UPDATE_LOCK, MASTER_UPDATE_LOCK)) {
654                                 tmp = REG_SET_FIELD(tmp, MASTER_UPDATE_LOCK, MASTER_UPDATE_LOCK, 0);
655                                 WREG32(mmMASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
656                         }
657                         for (j = 0; j < adev->usec_timeout; j++) {
658                                 tmp = RREG32(mmGRPH_UPDATE + crtc_offsets[i]);
659                                 if (REG_GET_FIELD(tmp, GRPH_UPDATE, GRPH_SURFACE_UPDATE_PENDING) == 0)
660                                         break;
661                                 udelay(1);
662                         }
663                         tmp = RREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i]);
664                         tmp = REG_SET_FIELD(tmp, CRTC_BLANK_CONTROL, CRTC_BLANK_DATA_EN, 0);
665                         WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
666                         WREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
667                         WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
668                         /* wait for the next frame */
669                         frame_count = amdgpu_display_vblank_get_counter(adev, i);
670                         for (j = 0; j < adev->usec_timeout; j++) {
671                                 if (amdgpu_display_vblank_get_counter(adev, i) != frame_count)
672                                         break;
673                                 udelay(1);
674                         }
675                 }
676         }
677
678         WREG32(mmVGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(adev->mc.vram_start));
679         WREG32(mmVGA_MEMORY_BASE_ADDRESS, lower_32_bits(adev->mc.vram_start));
680
681         /* Unlock vga access */
682         WREG32(mmVGA_HDP_CONTROL, save->vga_hdp_control);
683         mdelay(1);
684         WREG32(mmVGA_RENDER_CONTROL, save->vga_render_control);
685 }
686
687 static void dce_v10_0_set_vga_render_state(struct amdgpu_device *adev,
688                                            bool render)
689 {
690         u32 tmp;
691
692         /* Lockout access through VGA aperture*/
693         tmp = RREG32(mmVGA_HDP_CONTROL);
694         if (render)
695                 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0);
696         else
697                 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
698         WREG32(mmVGA_HDP_CONTROL, tmp);
699
700         /* disable VGA render */
701         tmp = RREG32(mmVGA_RENDER_CONTROL);
702         if (render)
703                 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1);
704         else
705                 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
706         WREG32(mmVGA_RENDER_CONTROL, tmp);
707 }
708
709 static void dce_v10_0_program_fmt(struct drm_encoder *encoder)
710 {
711         struct drm_device *dev = encoder->dev;
712         struct amdgpu_device *adev = dev->dev_private;
713         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
714         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
715         struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
716         int bpc = 0;
717         u32 tmp = 0;
718         enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
719
720         if (connector) {
721                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
722                 bpc = amdgpu_connector_get_monitor_bpc(connector);
723                 dither = amdgpu_connector->dither;
724         }
725
726         /* LVDS/eDP FMT is set up by atom */
727         if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
728                 return;
729
730         /* not needed for analog */
731         if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
732             (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
733                 return;
734
735         if (bpc == 0)
736                 return;
737
738         switch (bpc) {
739         case 6:
740                 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
741                         /* XXX sort out optimal dither settings */
742                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
743                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
744                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
745                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 0);
746                 } else {
747                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
748                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 0);
749                 }
750                 break;
751         case 8:
752                 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
753                         /* XXX sort out optimal dither settings */
754                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
755                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
756                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
757                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
758                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 1);
759                 } else {
760                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
761                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 1);
762                 }
763                 break;
764         case 10:
765                 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
766                         /* XXX sort out optimal dither settings */
767                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
768                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
769                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
770                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
771                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 2);
772                 } else {
773                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
774                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 2);
775                 }
776                 break;
777         default:
778                 /* not needed */
779                 break;
780         }
781
782         WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
783 }
784
785
786 /* display watermark setup */
787 /**
788  * dce_v10_0_line_buffer_adjust - Set up the line buffer
789  *
790  * @adev: amdgpu_device pointer
791  * @amdgpu_crtc: the selected display controller
792  * @mode: the current display mode on the selected display
793  * controller
794  *
795  * Setup up the line buffer allocation for
796  * the selected display controller (CIK).
797  * Returns the line buffer size in pixels.
798  */
799 static u32 dce_v10_0_line_buffer_adjust(struct amdgpu_device *adev,
800                                        struct amdgpu_crtc *amdgpu_crtc,
801                                        struct drm_display_mode *mode)
802 {
803         u32 tmp, buffer_alloc, i, mem_cfg;
804         u32 pipe_offset = amdgpu_crtc->crtc_id;
805         /*
806          * Line Buffer Setup
807          * There are 6 line buffers, one for each display controllers.
808          * There are 3 partitions per LB. Select the number of partitions
809          * to enable based on the display width.  For display widths larger
810          * than 4096, you need use to use 2 display controllers and combine
811          * them using the stereo blender.
812          */
813         if (amdgpu_crtc->base.enabled && mode) {
814                 if (mode->crtc_hdisplay < 1920) {
815                         mem_cfg = 1;
816                         buffer_alloc = 2;
817                 } else if (mode->crtc_hdisplay < 2560) {
818                         mem_cfg = 2;
819                         buffer_alloc = 2;
820                 } else if (mode->crtc_hdisplay < 4096) {
821                         mem_cfg = 0;
822                         buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
823                 } else {
824                         DRM_DEBUG_KMS("Mode too big for LB!\n");
825                         mem_cfg = 0;
826                         buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
827                 }
828         } else {
829                 mem_cfg = 1;
830                 buffer_alloc = 0;
831         }
832
833         tmp = RREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset);
834         tmp = REG_SET_FIELD(tmp, LB_MEMORY_CTRL, LB_MEMORY_CONFIG, mem_cfg);
835         WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset, tmp);
836
837         tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
838         tmp = REG_SET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATED, buffer_alloc);
839         WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset, tmp);
840
841         for (i = 0; i < adev->usec_timeout; i++) {
842                 tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
843                 if (REG_GET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATION_COMPLETED))
844                         break;
845                 udelay(1);
846         }
847
848         if (amdgpu_crtc->base.enabled && mode) {
849                 switch (mem_cfg) {
850                 case 0:
851                 default:
852                         return 4096 * 2;
853                 case 1:
854                         return 1920 * 2;
855                 case 2:
856                         return 2560 * 2;
857                 }
858         }
859
860         /* controller not enabled, so no lb used */
861         return 0;
862 }
863
864 /**
865  * cik_get_number_of_dram_channels - get the number of dram channels
866  *
867  * @adev: amdgpu_device pointer
868  *
869  * Look up the number of video ram channels (CIK).
870  * Used for display watermark bandwidth calculations
871  * Returns the number of dram channels
872  */
873 static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev)
874 {
875         u32 tmp = RREG32(mmMC_SHARED_CHMAP);
876
877         switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
878         case 0:
879         default:
880                 return 1;
881         case 1:
882                 return 2;
883         case 2:
884                 return 4;
885         case 3:
886                 return 8;
887         case 4:
888                 return 3;
889         case 5:
890                 return 6;
891         case 6:
892                 return 10;
893         case 7:
894                 return 12;
895         case 8:
896                 return 16;
897         }
898 }
899
900 struct dce10_wm_params {
901         u32 dram_channels; /* number of dram channels */
902         u32 yclk;          /* bandwidth per dram data pin in kHz */
903         u32 sclk;          /* engine clock in kHz */
904         u32 disp_clk;      /* display clock in kHz */
905         u32 src_width;     /* viewport width */
906         u32 active_time;   /* active display time in ns */
907         u32 blank_time;    /* blank time in ns */
908         bool interlaced;    /* mode is interlaced */
909         fixed20_12 vsc;    /* vertical scale ratio */
910         u32 num_heads;     /* number of active crtcs */
911         u32 bytes_per_pixel; /* bytes per pixel display + overlay */
912         u32 lb_size;       /* line buffer allocated to pipe */
913         u32 vtaps;         /* vertical scaler taps */
914 };
915
916 /**
917  * dce_v10_0_dram_bandwidth - get the dram bandwidth
918  *
919  * @wm: watermark calculation data
920  *
921  * Calculate the raw dram bandwidth (CIK).
922  * Used for display watermark bandwidth calculations
923  * Returns the dram bandwidth in MBytes/s
924  */
925 static u32 dce_v10_0_dram_bandwidth(struct dce10_wm_params *wm)
926 {
927         /* Calculate raw DRAM Bandwidth */
928         fixed20_12 dram_efficiency; /* 0.7 */
929         fixed20_12 yclk, dram_channels, bandwidth;
930         fixed20_12 a;
931
932         a.full = dfixed_const(1000);
933         yclk.full = dfixed_const(wm->yclk);
934         yclk.full = dfixed_div(yclk, a);
935         dram_channels.full = dfixed_const(wm->dram_channels * 4);
936         a.full = dfixed_const(10);
937         dram_efficiency.full = dfixed_const(7);
938         dram_efficiency.full = dfixed_div(dram_efficiency, a);
939         bandwidth.full = dfixed_mul(dram_channels, yclk);
940         bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
941
942         return dfixed_trunc(bandwidth);
943 }
944
945 /**
946  * dce_v10_0_dram_bandwidth_for_display - get the dram bandwidth for display
947  *
948  * @wm: watermark calculation data
949  *
950  * Calculate the dram bandwidth used for display (CIK).
951  * Used for display watermark bandwidth calculations
952  * Returns the dram bandwidth for display in MBytes/s
953  */
954 static u32 dce_v10_0_dram_bandwidth_for_display(struct dce10_wm_params *wm)
955 {
956         /* Calculate DRAM Bandwidth and the part allocated to display. */
957         fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
958         fixed20_12 yclk, dram_channels, bandwidth;
959         fixed20_12 a;
960
961         a.full = dfixed_const(1000);
962         yclk.full = dfixed_const(wm->yclk);
963         yclk.full = dfixed_div(yclk, a);
964         dram_channels.full = dfixed_const(wm->dram_channels * 4);
965         a.full = dfixed_const(10);
966         disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
967         disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
968         bandwidth.full = dfixed_mul(dram_channels, yclk);
969         bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
970
971         return dfixed_trunc(bandwidth);
972 }
973
974 /**
975  * dce_v10_0_data_return_bandwidth - get the data return bandwidth
976  *
977  * @wm: watermark calculation data
978  *
979  * Calculate the data return bandwidth used for display (CIK).
980  * Used for display watermark bandwidth calculations
981  * Returns the data return bandwidth in MBytes/s
982  */
983 static u32 dce_v10_0_data_return_bandwidth(struct dce10_wm_params *wm)
984 {
985         /* Calculate the display Data return Bandwidth */
986         fixed20_12 return_efficiency; /* 0.8 */
987         fixed20_12 sclk, bandwidth;
988         fixed20_12 a;
989
990         a.full = dfixed_const(1000);
991         sclk.full = dfixed_const(wm->sclk);
992         sclk.full = dfixed_div(sclk, a);
993         a.full = dfixed_const(10);
994         return_efficiency.full = dfixed_const(8);
995         return_efficiency.full = dfixed_div(return_efficiency, a);
996         a.full = dfixed_const(32);
997         bandwidth.full = dfixed_mul(a, sclk);
998         bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
999
1000         return dfixed_trunc(bandwidth);
1001 }
1002
1003 /**
1004  * dce_v10_0_dmif_request_bandwidth - get the dmif bandwidth
1005  *
1006  * @wm: watermark calculation data
1007  *
1008  * Calculate the dmif bandwidth used for display (CIK).
1009  * Used for display watermark bandwidth calculations
1010  * Returns the dmif bandwidth in MBytes/s
1011  */
1012 static u32 dce_v10_0_dmif_request_bandwidth(struct dce10_wm_params *wm)
1013 {
1014         /* Calculate the DMIF Request Bandwidth */
1015         fixed20_12 disp_clk_request_efficiency; /* 0.8 */
1016         fixed20_12 disp_clk, bandwidth;
1017         fixed20_12 a, b;
1018
1019         a.full = dfixed_const(1000);
1020         disp_clk.full = dfixed_const(wm->disp_clk);
1021         disp_clk.full = dfixed_div(disp_clk, a);
1022         a.full = dfixed_const(32);
1023         b.full = dfixed_mul(a, disp_clk);
1024
1025         a.full = dfixed_const(10);
1026         disp_clk_request_efficiency.full = dfixed_const(8);
1027         disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
1028
1029         bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
1030
1031         return dfixed_trunc(bandwidth);
1032 }
1033
1034 /**
1035  * dce_v10_0_available_bandwidth - get the min available bandwidth
1036  *
1037  * @wm: watermark calculation data
1038  *
1039  * Calculate the min available bandwidth used for display (CIK).
1040  * Used for display watermark bandwidth calculations
1041  * Returns the min available bandwidth in MBytes/s
1042  */
1043 static u32 dce_v10_0_available_bandwidth(struct dce10_wm_params *wm)
1044 {
1045         /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
1046         u32 dram_bandwidth = dce_v10_0_dram_bandwidth(wm);
1047         u32 data_return_bandwidth = dce_v10_0_data_return_bandwidth(wm);
1048         u32 dmif_req_bandwidth = dce_v10_0_dmif_request_bandwidth(wm);
1049
1050         return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
1051 }
1052
1053 /**
1054  * dce_v10_0_average_bandwidth - get the average available bandwidth
1055  *
1056  * @wm: watermark calculation data
1057  *
1058  * Calculate the average available bandwidth used for display (CIK).
1059  * Used for display watermark bandwidth calculations
1060  * Returns the average available bandwidth in MBytes/s
1061  */
1062 static u32 dce_v10_0_average_bandwidth(struct dce10_wm_params *wm)
1063 {
1064         /* Calculate the display mode Average Bandwidth
1065          * DisplayMode should contain the source and destination dimensions,
1066          * timing, etc.
1067          */
1068         fixed20_12 bpp;
1069         fixed20_12 line_time;
1070         fixed20_12 src_width;
1071         fixed20_12 bandwidth;
1072         fixed20_12 a;
1073
1074         a.full = dfixed_const(1000);
1075         line_time.full = dfixed_const(wm->active_time + wm->blank_time);
1076         line_time.full = dfixed_div(line_time, a);
1077         bpp.full = dfixed_const(wm->bytes_per_pixel);
1078         src_width.full = dfixed_const(wm->src_width);
1079         bandwidth.full = dfixed_mul(src_width, bpp);
1080         bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
1081         bandwidth.full = dfixed_div(bandwidth, line_time);
1082
1083         return dfixed_trunc(bandwidth);
1084 }
1085
1086 /**
1087  * dce_v10_0_latency_watermark - get the latency watermark
1088  *
1089  * @wm: watermark calculation data
1090  *
1091  * Calculate the latency watermark (CIK).
1092  * Used for display watermark bandwidth calculations
1093  * Returns the latency watermark in ns
1094  */
1095 static u32 dce_v10_0_latency_watermark(struct dce10_wm_params *wm)
1096 {
1097         /* First calculate the latency in ns */
1098         u32 mc_latency = 2000; /* 2000 ns. */
1099         u32 available_bandwidth = dce_v10_0_available_bandwidth(wm);
1100         u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
1101         u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
1102         u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
1103         u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
1104                 (wm->num_heads * cursor_line_pair_return_time);
1105         u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
1106         u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
1107         u32 tmp, dmif_size = 12288;
1108         fixed20_12 a, b, c;
1109
1110         if (wm->num_heads == 0)
1111                 return 0;
1112
1113         a.full = dfixed_const(2);
1114         b.full = dfixed_const(1);
1115         if ((wm->vsc.full > a.full) ||
1116             ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
1117             (wm->vtaps >= 5) ||
1118             ((wm->vsc.full >= a.full) && wm->interlaced))
1119                 max_src_lines_per_dst_line = 4;
1120         else
1121                 max_src_lines_per_dst_line = 2;
1122
1123         a.full = dfixed_const(available_bandwidth);
1124         b.full = dfixed_const(wm->num_heads);
1125         a.full = dfixed_div(a, b);
1126
1127         b.full = dfixed_const(mc_latency + 512);
1128         c.full = dfixed_const(wm->disp_clk);
1129         b.full = dfixed_div(b, c);
1130
1131         c.full = dfixed_const(dmif_size);
1132         b.full = dfixed_div(c, b);
1133
1134         tmp = min(dfixed_trunc(a), dfixed_trunc(b));
1135
1136         b.full = dfixed_const(1000);
1137         c.full = dfixed_const(wm->disp_clk);
1138         b.full = dfixed_div(c, b);
1139         c.full = dfixed_const(wm->bytes_per_pixel);
1140         b.full = dfixed_mul(b, c);
1141
1142         lb_fill_bw = min(tmp, dfixed_trunc(b));
1143
1144         a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
1145         b.full = dfixed_const(1000);
1146         c.full = dfixed_const(lb_fill_bw);
1147         b.full = dfixed_div(c, b);
1148         a.full = dfixed_div(a, b);
1149         line_fill_time = dfixed_trunc(a);
1150
1151         if (line_fill_time < wm->active_time)
1152                 return latency;
1153         else
1154                 return latency + (line_fill_time - wm->active_time);
1155
1156 }
1157
1158 /**
1159  * dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display - check
1160  * average and available dram bandwidth
1161  *
1162  * @wm: watermark calculation data
1163  *
1164  * Check if the display average bandwidth fits in the display
1165  * dram bandwidth (CIK).
1166  * Used for display watermark bandwidth calculations
1167  * Returns true if the display fits, false if not.
1168  */
1169 static bool dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce10_wm_params *wm)
1170 {
1171         if (dce_v10_0_average_bandwidth(wm) <=
1172             (dce_v10_0_dram_bandwidth_for_display(wm) / wm->num_heads))
1173                 return true;
1174         else
1175                 return false;
1176 }
1177
1178 /**
1179  * dce_v10_0_average_bandwidth_vs_available_bandwidth - check
1180  * average and available bandwidth
1181  *
1182  * @wm: watermark calculation data
1183  *
1184  * Check if the display average bandwidth fits in the display
1185  * available bandwidth (CIK).
1186  * Used for display watermark bandwidth calculations
1187  * Returns true if the display fits, false if not.
1188  */
1189 static bool dce_v10_0_average_bandwidth_vs_available_bandwidth(struct dce10_wm_params *wm)
1190 {
1191         if (dce_v10_0_average_bandwidth(wm) <=
1192             (dce_v10_0_available_bandwidth(wm) / wm->num_heads))
1193                 return true;
1194         else
1195                 return false;
1196 }
1197
1198 /**
1199  * dce_v10_0_check_latency_hiding - check latency hiding
1200  *
1201  * @wm: watermark calculation data
1202  *
1203  * Check latency hiding (CIK).
1204  * Used for display watermark bandwidth calculations
1205  * Returns true if the display fits, false if not.
1206  */
1207 static bool dce_v10_0_check_latency_hiding(struct dce10_wm_params *wm)
1208 {
1209         u32 lb_partitions = wm->lb_size / wm->src_width;
1210         u32 line_time = wm->active_time + wm->blank_time;
1211         u32 latency_tolerant_lines;
1212         u32 latency_hiding;
1213         fixed20_12 a;
1214
1215         a.full = dfixed_const(1);
1216         if (wm->vsc.full > a.full)
1217                 latency_tolerant_lines = 1;
1218         else {
1219                 if (lb_partitions <= (wm->vtaps + 1))
1220                         latency_tolerant_lines = 1;
1221                 else
1222                         latency_tolerant_lines = 2;
1223         }
1224
1225         latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
1226
1227         if (dce_v10_0_latency_watermark(wm) <= latency_hiding)
1228                 return true;
1229         else
1230                 return false;
1231 }
1232
1233 /**
1234  * dce_v10_0_program_watermarks - program display watermarks
1235  *
1236  * @adev: amdgpu_device pointer
1237  * @amdgpu_crtc: the selected display controller
1238  * @lb_size: line buffer size
1239  * @num_heads: number of display controllers in use
1240  *
1241  * Calculate and program the display watermarks for the
1242  * selected display controller (CIK).
1243  */
1244 static void dce_v10_0_program_watermarks(struct amdgpu_device *adev,
1245                                         struct amdgpu_crtc *amdgpu_crtc,
1246                                         u32 lb_size, u32 num_heads)
1247 {
1248         struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
1249         struct dce10_wm_params wm_low, wm_high;
1250         u32 pixel_period;
1251         u32 line_time = 0;
1252         u32 latency_watermark_a = 0, latency_watermark_b = 0;
1253         u32 tmp, wm_mask, lb_vblank_lead_lines = 0;
1254
1255         if (amdgpu_crtc->base.enabled && num_heads && mode) {
1256                 pixel_period = 1000000 / (u32)mode->clock;
1257                 line_time = min((u32)mode->crtc_htotal * pixel_period, (u32)65535);
1258
1259                 /* watermark for high clocks */
1260                 if (adev->pm.dpm_enabled) {
1261                         wm_high.yclk =
1262                                 amdgpu_dpm_get_mclk(adev, false) * 10;
1263                         wm_high.sclk =
1264                                 amdgpu_dpm_get_sclk(adev, false) * 10;
1265                 } else {
1266                         wm_high.yclk = adev->pm.current_mclk * 10;
1267                         wm_high.sclk = adev->pm.current_sclk * 10;
1268                 }
1269
1270                 wm_high.disp_clk = mode->clock;
1271                 wm_high.src_width = mode->crtc_hdisplay;
1272                 wm_high.active_time = mode->crtc_hdisplay * pixel_period;
1273                 wm_high.blank_time = line_time - wm_high.active_time;
1274                 wm_high.interlaced = false;
1275                 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1276                         wm_high.interlaced = true;
1277                 wm_high.vsc = amdgpu_crtc->vsc;
1278                 wm_high.vtaps = 1;
1279                 if (amdgpu_crtc->rmx_type != RMX_OFF)
1280                         wm_high.vtaps = 2;
1281                 wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
1282                 wm_high.lb_size = lb_size;
1283                 wm_high.dram_channels = cik_get_number_of_dram_channels(adev);
1284                 wm_high.num_heads = num_heads;
1285
1286                 /* set for high clocks */
1287                 latency_watermark_a = min(dce_v10_0_latency_watermark(&wm_high), (u32)65535);
1288
1289                 /* possibly force display priority to high */
1290                 /* should really do this at mode validation time... */
1291                 if (!dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
1292                     !dce_v10_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
1293                     !dce_v10_0_check_latency_hiding(&wm_high) ||
1294                     (adev->mode_info.disp_priority == 2)) {
1295                         DRM_DEBUG_KMS("force priority to high\n");
1296                 }
1297
1298                 /* watermark for low clocks */
1299                 if (adev->pm.dpm_enabled) {
1300                         wm_low.yclk =
1301                                 amdgpu_dpm_get_mclk(adev, true) * 10;
1302                         wm_low.sclk =
1303                                 amdgpu_dpm_get_sclk(adev, true) * 10;
1304                 } else {
1305                         wm_low.yclk = adev->pm.current_mclk * 10;
1306                         wm_low.sclk = adev->pm.current_sclk * 10;
1307                 }
1308
1309                 wm_low.disp_clk = mode->clock;
1310                 wm_low.src_width = mode->crtc_hdisplay;
1311                 wm_low.active_time = mode->crtc_hdisplay * pixel_period;
1312                 wm_low.blank_time = line_time - wm_low.active_time;
1313                 wm_low.interlaced = false;
1314                 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1315                         wm_low.interlaced = true;
1316                 wm_low.vsc = amdgpu_crtc->vsc;
1317                 wm_low.vtaps = 1;
1318                 if (amdgpu_crtc->rmx_type != RMX_OFF)
1319                         wm_low.vtaps = 2;
1320                 wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
1321                 wm_low.lb_size = lb_size;
1322                 wm_low.dram_channels = cik_get_number_of_dram_channels(adev);
1323                 wm_low.num_heads = num_heads;
1324
1325                 /* set for low clocks */
1326                 latency_watermark_b = min(dce_v10_0_latency_watermark(&wm_low), (u32)65535);
1327
1328                 /* possibly force display priority to high */
1329                 /* should really do this at mode validation time... */
1330                 if (!dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
1331                     !dce_v10_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
1332                     !dce_v10_0_check_latency_hiding(&wm_low) ||
1333                     (adev->mode_info.disp_priority == 2)) {
1334                         DRM_DEBUG_KMS("force priority to high\n");
1335                 }
1336                 lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
1337         }
1338
1339         /* select wm A */
1340         wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset);
1341         tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 1);
1342         WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1343         tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1344         tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_a);
1345         tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1346         WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1347         /* select wm B */
1348         tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 2);
1349         WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1350         tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1351         tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_b);
1352         tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1353         WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1354         /* restore original selection */
1355         WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask);
1356
1357         /* save values for DPM */
1358         amdgpu_crtc->line_time = line_time;
1359         amdgpu_crtc->wm_high = latency_watermark_a;
1360         amdgpu_crtc->wm_low = latency_watermark_b;
1361         /* Save number of lines the linebuffer leads before the scanout */
1362         amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
1363 }
1364
1365 /**
1366  * dce_v10_0_bandwidth_update - program display watermarks
1367  *
1368  * @adev: amdgpu_device pointer
1369  *
1370  * Calculate and program the display watermarks and line
1371  * buffer allocation (CIK).
1372  */
1373 static void dce_v10_0_bandwidth_update(struct amdgpu_device *adev)
1374 {
1375         struct drm_display_mode *mode = NULL;
1376         u32 num_heads = 0, lb_size;
1377         int i;
1378
1379         amdgpu_update_display_priority(adev);
1380
1381         for (i = 0; i < adev->mode_info.num_crtc; i++) {
1382                 if (adev->mode_info.crtcs[i]->base.enabled)
1383                         num_heads++;
1384         }
1385         for (i = 0; i < adev->mode_info.num_crtc; i++) {
1386                 mode = &adev->mode_info.crtcs[i]->base.mode;
1387                 lb_size = dce_v10_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode);
1388                 dce_v10_0_program_watermarks(adev, adev->mode_info.crtcs[i],
1389                                             lb_size, num_heads);
1390         }
1391 }
1392
1393 static void dce_v10_0_audio_get_connected_pins(struct amdgpu_device *adev)
1394 {
1395         int i;
1396         u32 offset, tmp;
1397
1398         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1399                 offset = adev->mode_info.audio.pin[i].offset;
1400                 tmp = RREG32_AUDIO_ENDPT(offset,
1401                                          ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1402                 if (((tmp &
1403                 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >>
1404                 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1)
1405                         adev->mode_info.audio.pin[i].connected = false;
1406                 else
1407                         adev->mode_info.audio.pin[i].connected = true;
1408         }
1409 }
1410
1411 static struct amdgpu_audio_pin *dce_v10_0_audio_get_pin(struct amdgpu_device *adev)
1412 {
1413         int i;
1414
1415         dce_v10_0_audio_get_connected_pins(adev);
1416
1417         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1418                 if (adev->mode_info.audio.pin[i].connected)
1419                         return &adev->mode_info.audio.pin[i];
1420         }
1421         DRM_ERROR("No connected audio pins found!\n");
1422         return NULL;
1423 }
1424
1425 static void dce_v10_0_afmt_audio_select_pin(struct drm_encoder *encoder)
1426 {
1427         struct amdgpu_device *adev = encoder->dev->dev_private;
1428         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1429         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1430         u32 tmp;
1431
1432         if (!dig || !dig->afmt || !dig->afmt->pin)
1433                 return;
1434
1435         tmp = RREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset);
1436         tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT, dig->afmt->pin->id);
1437         WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, tmp);
1438 }
1439
1440 static void dce_v10_0_audio_write_latency_fields(struct drm_encoder *encoder,
1441                                                 struct drm_display_mode *mode)
1442 {
1443         struct amdgpu_device *adev = encoder->dev->dev_private;
1444         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1445         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1446         struct drm_connector *connector;
1447         struct amdgpu_connector *amdgpu_connector = NULL;
1448         u32 tmp;
1449         int interlace = 0;
1450
1451         if (!dig || !dig->afmt || !dig->afmt->pin)
1452                 return;
1453
1454         list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1455                 if (connector->encoder == encoder) {
1456                         amdgpu_connector = to_amdgpu_connector(connector);
1457                         break;
1458                 }
1459         }
1460
1461         if (!amdgpu_connector) {
1462                 DRM_ERROR("Couldn't find encoder's connector\n");
1463                 return;
1464         }
1465
1466         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1467                 interlace = 1;
1468         if (connector->latency_present[interlace]) {
1469                 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1470                                     VIDEO_LIPSYNC, connector->video_latency[interlace]);
1471                 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1472                                     AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1473         } else {
1474                 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1475                                     VIDEO_LIPSYNC, 0);
1476                 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1477                                     AUDIO_LIPSYNC, 0);
1478         }
1479         WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1480                            ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1481 }
1482
1483 static void dce_v10_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1484 {
1485         struct amdgpu_device *adev = encoder->dev->dev_private;
1486         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1487         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1488         struct drm_connector *connector;
1489         struct amdgpu_connector *amdgpu_connector = NULL;
1490         u32 tmp;
1491         u8 *sadb = NULL;
1492         int sad_count;
1493
1494         if (!dig || !dig->afmt || !dig->afmt->pin)
1495                 return;
1496
1497         list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1498                 if (connector->encoder == encoder) {
1499                         amdgpu_connector = to_amdgpu_connector(connector);
1500                         break;
1501                 }
1502         }
1503
1504         if (!amdgpu_connector) {
1505                 DRM_ERROR("Couldn't find encoder's connector\n");
1506                 return;
1507         }
1508
1509         sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
1510         if (sad_count < 0) {
1511                 DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1512                 sad_count = 0;
1513         }
1514
1515         /* program the speaker allocation */
1516         tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1517                                  ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1518         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1519                             DP_CONNECTION, 0);
1520         /* set HDMI mode */
1521         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1522                             HDMI_CONNECTION, 1);
1523         if (sad_count)
1524                 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1525                                     SPEAKER_ALLOCATION, sadb[0]);
1526         else
1527                 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1528                                     SPEAKER_ALLOCATION, 5); /* stereo */
1529         WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1530                            ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1531
1532         kfree(sadb);
1533 }
1534
1535 static void dce_v10_0_audio_write_sad_regs(struct drm_encoder *encoder)
1536 {
1537         struct amdgpu_device *adev = encoder->dev->dev_private;
1538         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1539         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1540         struct drm_connector *connector;
1541         struct amdgpu_connector *amdgpu_connector = NULL;
1542         struct cea_sad *sads;
1543         int i, sad_count;
1544
1545         static const u16 eld_reg_to_type[][2] = {
1546                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1547                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1548                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1549                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1550                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1551                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1552                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1553                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1554                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1555                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1556                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1557                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1558         };
1559
1560         if (!dig || !dig->afmt || !dig->afmt->pin)
1561                 return;
1562
1563         list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1564                 if (connector->encoder == encoder) {
1565                         amdgpu_connector = to_amdgpu_connector(connector);
1566                         break;
1567                 }
1568         }
1569
1570         if (!amdgpu_connector) {
1571                 DRM_ERROR("Couldn't find encoder's connector\n");
1572                 return;
1573         }
1574
1575         sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
1576         if (sad_count <= 0) {
1577                 DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1578                 return;
1579         }
1580         BUG_ON(!sads);
1581
1582         for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1583                 u32 tmp = 0;
1584                 u8 stereo_freqs = 0;
1585                 int max_channels = -1;
1586                 int j;
1587
1588                 for (j = 0; j < sad_count; j++) {
1589                         struct cea_sad *sad = &sads[j];
1590
1591                         if (sad->format == eld_reg_to_type[i][1]) {
1592                                 if (sad->channels > max_channels) {
1593                                         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1594                                                             MAX_CHANNELS, sad->channels);
1595                                         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1596                                                             DESCRIPTOR_BYTE_2, sad->byte2);
1597                                         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1598                                                             SUPPORTED_FREQUENCIES, sad->freq);
1599                                         max_channels = sad->channels;
1600                                 }
1601
1602                                 if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1603                                         stereo_freqs |= sad->freq;
1604                                 else
1605                                         break;
1606                         }
1607                 }
1608
1609                 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1610                                     SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1611                 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1612         }
1613
1614         kfree(sads);
1615 }
1616
1617 static void dce_v10_0_audio_enable(struct amdgpu_device *adev,
1618                                   struct amdgpu_audio_pin *pin,
1619                                   bool enable)
1620 {
1621         if (!pin)
1622                 return;
1623
1624         WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1625                            enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1626 }
1627
1628 static const u32 pin_offsets[] =
1629 {
1630         AUD0_REGISTER_OFFSET,
1631         AUD1_REGISTER_OFFSET,
1632         AUD2_REGISTER_OFFSET,
1633         AUD3_REGISTER_OFFSET,
1634         AUD4_REGISTER_OFFSET,
1635         AUD5_REGISTER_OFFSET,
1636         AUD6_REGISTER_OFFSET,
1637 };
1638
1639 static int dce_v10_0_audio_init(struct amdgpu_device *adev)
1640 {
1641         int i;
1642
1643         if (!amdgpu_audio)
1644                 return 0;
1645
1646         adev->mode_info.audio.enabled = true;
1647
1648         adev->mode_info.audio.num_pins = 7;
1649
1650         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1651                 adev->mode_info.audio.pin[i].channels = -1;
1652                 adev->mode_info.audio.pin[i].rate = -1;
1653                 adev->mode_info.audio.pin[i].bits_per_sample = -1;
1654                 adev->mode_info.audio.pin[i].status_bits = 0;
1655                 adev->mode_info.audio.pin[i].category_code = 0;
1656                 adev->mode_info.audio.pin[i].connected = false;
1657                 adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1658                 adev->mode_info.audio.pin[i].id = i;
1659                 /* disable audio.  it will be set up later */
1660                 /* XXX remove once we switch to ip funcs */
1661                 dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1662         }
1663
1664         return 0;
1665 }
1666
1667 static void dce_v10_0_audio_fini(struct amdgpu_device *adev)
1668 {
1669         int i;
1670
1671         if (!amdgpu_audio)
1672                 return;
1673
1674         if (!adev->mode_info.audio.enabled)
1675                 return;
1676
1677         for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1678                 dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1679
1680         adev->mode_info.audio.enabled = false;
1681 }
1682
1683 /*
1684  * update the N and CTS parameters for a given pixel clock rate
1685  */
1686 static void dce_v10_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock)
1687 {
1688         struct drm_device *dev = encoder->dev;
1689         struct amdgpu_device *adev = dev->dev_private;
1690         struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1691         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1692         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1693         u32 tmp;
1694
1695         tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1696         tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1697         WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1698         tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1699         tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1700         WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1701
1702         tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1703         tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1704         WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1705         tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1706         tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1707         WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1708
1709         tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1710         tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1711         WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1712         tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1713         tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1714         WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1715
1716 }
1717
1718 /*
1719  * build a HDMI Video Info Frame
1720  */
1721 static void dce_v10_0_afmt_update_avi_infoframe(struct drm_encoder *encoder,
1722                                                void *buffer, size_t size)
1723 {
1724         struct drm_device *dev = encoder->dev;
1725         struct amdgpu_device *adev = dev->dev_private;
1726         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1727         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1728         uint8_t *frame = buffer + 3;
1729         uint8_t *header = buffer;
1730
1731         WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1732                 frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
1733         WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1734                 frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
1735         WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1736                 frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
1737         WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1738                 frame[0xC] | (frame[0xD] << 8) | (header[1] << 24));
1739 }
1740
1741 static void dce_v10_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1742 {
1743         struct drm_device *dev = encoder->dev;
1744         struct amdgpu_device *adev = dev->dev_private;
1745         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1746         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1747         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1748         u32 dto_phase = 24 * 1000;
1749         u32 dto_modulo = clock;
1750         u32 tmp;
1751
1752         if (!dig || !dig->afmt)
1753                 return;
1754
1755         /* XXX two dtos; generally use dto0 for hdmi */
1756         /* Express [24MHz / target pixel clock] as an exact rational
1757          * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
1758          * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1759          */
1760         tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1761         tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL,
1762                             amdgpu_crtc->crtc_id);
1763         WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1764         WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase);
1765         WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo);
1766 }
1767
1768 /*
1769  * update the info frames with the data from the current display mode
1770  */
1771 static void dce_v10_0_afmt_setmode(struct drm_encoder *encoder,
1772                                   struct drm_display_mode *mode)
1773 {
1774         struct drm_device *dev = encoder->dev;
1775         struct amdgpu_device *adev = dev->dev_private;
1776         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1777         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1778         struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1779         u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1780         struct hdmi_avi_infoframe frame;
1781         ssize_t err;
1782         u32 tmp;
1783         int bpc = 8;
1784
1785         if (!dig || !dig->afmt)
1786                 return;
1787
1788         /* Silent, r600_hdmi_enable will raise WARN for us */
1789         if (!dig->afmt->enabled)
1790                 return;
1791
1792         /* hdmi deep color mode general control packets setup, if bpc > 8 */
1793         if (encoder->crtc) {
1794                 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1795                 bpc = amdgpu_crtc->bpc;
1796         }
1797
1798         /* disable audio prior to setting up hw */
1799         dig->afmt->pin = dce_v10_0_audio_get_pin(adev);
1800         dce_v10_0_audio_enable(adev, dig->afmt->pin, false);
1801
1802         dce_v10_0_audio_set_dto(encoder, mode->clock);
1803
1804         tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1805         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1806         WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); /* send null packets when required */
1807
1808         WREG32(mmAFMT_AUDIO_CRC_CONTROL + dig->afmt->offset, 0x1000);
1809
1810         tmp = RREG32(mmHDMI_CONTROL + dig->afmt->offset);
1811         switch (bpc) {
1812         case 0:
1813         case 6:
1814         case 8:
1815         case 16:
1816         default:
1817                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 0);
1818                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0);
1819                 DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n",
1820                           connector->name, bpc);
1821                 break;
1822         case 10:
1823                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1824                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 1);
1825                 DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n",
1826                           connector->name);
1827                 break;
1828         case 12:
1829                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1830                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 2);
1831                 DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n",
1832                           connector->name);
1833                 break;
1834         }
1835         WREG32(mmHDMI_CONTROL + dig->afmt->offset, tmp);
1836
1837         tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1838         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); /* send null packets when required */
1839         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1); /* send general control packets */
1840         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1); /* send general control packets every frame */
1841         WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1842
1843         tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1844         /* enable audio info frames (frames won't be set until audio is enabled) */
1845         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1846         /* required for audio info values to be updated */
1847         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1848         WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1849
1850         tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1851         /* required for audio info values to be updated */
1852         tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1853         WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1854
1855         tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1856         /* anything other than 0 */
1857         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE, 2);
1858         WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1859
1860         WREG32(mmHDMI_GC + dig->afmt->offset, 0); /* unset HDMI_GC_AVMUTE */
1861
1862         tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1863         /* set the default audio delay */
1864         tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1865         /* should be suffient for all audio modes and small enough for all hblanks */
1866         tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1867         WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1868
1869         tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1870         /* allow 60958 channel status fields to be updated */
1871         tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1872         WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1873
1874         tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1875         if (bpc > 8)
1876                 /* clear SW CTS value */
1877                 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 0);
1878         else
1879                 /* select SW CTS value */
1880                 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 1);
1881         /* allow hw to sent ACR packets when required */
1882         tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1883         WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1884
1885         dce_v10_0_afmt_update_ACR(encoder, mode->clock);
1886
1887         tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1888         tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1889         WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1890
1891         tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1892         tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1893         WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1894
1895         tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1896         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1897         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1898         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1899         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1900         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1901         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1902         WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1903
1904         dce_v10_0_audio_write_speaker_allocation(encoder);
1905
1906         WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset,
1907                (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT));
1908
1909         dce_v10_0_afmt_audio_select_pin(encoder);
1910         dce_v10_0_audio_write_sad_regs(encoder);
1911         dce_v10_0_audio_write_latency_fields(encoder, mode);
1912
1913         err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode);
1914         if (err < 0) {
1915                 DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1916                 return;
1917         }
1918
1919         err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1920         if (err < 0) {
1921                 DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1922                 return;
1923         }
1924
1925         dce_v10_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer));
1926
1927         tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1928         /* enable AVI info frames */
1929         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1930         /* required for audio info values to be updated */
1931         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1932         WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1933
1934         tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1935         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1936         WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1937
1938         tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1939         /* send audio packets */
1940         tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1941         WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1942
1943         WREG32(mmAFMT_RAMP_CONTROL0 + dig->afmt->offset, 0x00FFFFFF);
1944         WREG32(mmAFMT_RAMP_CONTROL1 + dig->afmt->offset, 0x007FFFFF);
1945         WREG32(mmAFMT_RAMP_CONTROL2 + dig->afmt->offset, 0x00000001);
1946         WREG32(mmAFMT_RAMP_CONTROL3 + dig->afmt->offset, 0x00000001);
1947
1948         /* enable audio after to setting up hw */
1949         dce_v10_0_audio_enable(adev, dig->afmt->pin, true);
1950 }
1951
1952 static void dce_v10_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1953 {
1954         struct drm_device *dev = encoder->dev;
1955         struct amdgpu_device *adev = dev->dev_private;
1956         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1957         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1958
1959         if (!dig || !dig->afmt)
1960                 return;
1961
1962         /* Silent, r600_hdmi_enable will raise WARN for us */
1963         if (enable && dig->afmt->enabled)
1964                 return;
1965         if (!enable && !dig->afmt->enabled)
1966                 return;
1967
1968         if (!enable && dig->afmt->pin) {
1969                 dce_v10_0_audio_enable(adev, dig->afmt->pin, false);
1970                 dig->afmt->pin = NULL;
1971         }
1972
1973         dig->afmt->enabled = enable;
1974
1975         DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1976                   enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1977 }
1978
1979 static int dce_v10_0_afmt_init(struct amdgpu_device *adev)
1980 {
1981         int i;
1982
1983         for (i = 0; i < adev->mode_info.num_dig; i++)
1984                 adev->mode_info.afmt[i] = NULL;
1985
1986         /* DCE10 has audio blocks tied to DIG encoders */
1987         for (i = 0; i < adev->mode_info.num_dig; i++) {
1988                 adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1989                 if (adev->mode_info.afmt[i]) {
1990                         adev->mode_info.afmt[i]->offset = dig_offsets[i];
1991                         adev->mode_info.afmt[i]->id = i;
1992                 } else {
1993                         int j;
1994                         for (j = 0; j < i; j++) {
1995                                 kfree(adev->mode_info.afmt[j]);
1996                                 adev->mode_info.afmt[j] = NULL;
1997                         }
1998                         return -ENOMEM;
1999                 }
2000         }
2001         return 0;
2002 }
2003
2004 static void dce_v10_0_afmt_fini(struct amdgpu_device *adev)
2005 {
2006         int i;
2007
2008         for (i = 0; i < adev->mode_info.num_dig; i++) {
2009                 kfree(adev->mode_info.afmt[i]);
2010                 adev->mode_info.afmt[i] = NULL;
2011         }
2012 }
2013
2014 static const u32 vga_control_regs[6] =
2015 {
2016         mmD1VGA_CONTROL,
2017         mmD2VGA_CONTROL,
2018         mmD3VGA_CONTROL,
2019         mmD4VGA_CONTROL,
2020         mmD5VGA_CONTROL,
2021         mmD6VGA_CONTROL,
2022 };
2023
2024 static void dce_v10_0_vga_enable(struct drm_crtc *crtc, bool enable)
2025 {
2026         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2027         struct drm_device *dev = crtc->dev;
2028         struct amdgpu_device *adev = dev->dev_private;
2029         u32 vga_control;
2030
2031         vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
2032         if (enable)
2033                 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1);
2034         else
2035                 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control);
2036 }
2037
2038 static void dce_v10_0_grph_enable(struct drm_crtc *crtc, bool enable)
2039 {
2040         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2041         struct drm_device *dev = crtc->dev;
2042         struct amdgpu_device *adev = dev->dev_private;
2043
2044         if (enable)
2045                 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1);
2046         else
2047                 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0);
2048 }
2049
2050 static int dce_v10_0_crtc_do_set_base(struct drm_crtc *crtc,
2051                                      struct drm_framebuffer *fb,
2052                                      int x, int y, int atomic)
2053 {
2054         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2055         struct drm_device *dev = crtc->dev;
2056         struct amdgpu_device *adev = dev->dev_private;
2057         struct amdgpu_framebuffer *amdgpu_fb;
2058         struct drm_framebuffer *target_fb;
2059         struct drm_gem_object *obj;
2060         struct amdgpu_bo *rbo;
2061         uint64_t fb_location, tiling_flags;
2062         uint32_t fb_format, fb_pitch_pixels;
2063         u32 fb_swap = REG_SET_FIELD(0, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, ENDIAN_NONE);
2064         u32 pipe_config;
2065         u32 tmp, viewport_w, viewport_h;
2066         int r;
2067         bool bypass_lut = false;
2068
2069         /* no fb bound */
2070         if (!atomic && !crtc->primary->fb) {
2071                 DRM_DEBUG_KMS("No FB bound\n");
2072                 return 0;
2073         }
2074
2075         if (atomic) {
2076                 amdgpu_fb = to_amdgpu_framebuffer(fb);
2077                 target_fb = fb;
2078         } else {
2079                 amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb);
2080                 target_fb = crtc->primary->fb;
2081         }
2082
2083         /* If atomic, assume fb object is pinned & idle & fenced and
2084          * just update base pointers
2085          */
2086         obj = amdgpu_fb->obj;
2087         rbo = gem_to_amdgpu_bo(obj);
2088         r = amdgpu_bo_reserve(rbo, false);
2089         if (unlikely(r != 0))
2090                 return r;
2091
2092         if (atomic) {
2093                 fb_location = amdgpu_bo_gpu_offset(rbo);
2094         } else {
2095                 r = amdgpu_bo_pin(rbo, AMDGPU_GEM_DOMAIN_VRAM, &fb_location);
2096                 if (unlikely(r != 0)) {
2097                         amdgpu_bo_unreserve(rbo);
2098                         return -EINVAL;
2099                 }
2100         }
2101
2102         amdgpu_bo_get_tiling_flags(rbo, &tiling_flags);
2103         amdgpu_bo_unreserve(rbo);
2104
2105         pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
2106
2107         switch (target_fb->pixel_format) {
2108         case DRM_FORMAT_C8:
2109                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 0);
2110                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2111                 break;
2112         case DRM_FORMAT_XRGB4444:
2113         case DRM_FORMAT_ARGB4444:
2114                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
2115                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 2);
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_XRGB1555:
2122         case DRM_FORMAT_ARGB1555:
2123                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
2124                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2125 #ifdef __BIG_ENDIAN
2126                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2127                                         ENDIAN_8IN16);
2128 #endif
2129                 break;
2130         case DRM_FORMAT_BGRX5551:
2131         case DRM_FORMAT_BGRA5551:
2132                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
2133                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 5);
2134 #ifdef __BIG_ENDIAN
2135                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2136                                         ENDIAN_8IN16);
2137 #endif
2138                 break;
2139         case DRM_FORMAT_RGB565:
2140                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
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_8IN16);
2145 #endif
2146                 break;
2147         case DRM_FORMAT_XRGB8888:
2148         case DRM_FORMAT_ARGB8888:
2149                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2150                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2151 #ifdef __BIG_ENDIAN
2152                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2153                                         ENDIAN_8IN32);
2154 #endif
2155                 break;
2156         case DRM_FORMAT_XRGB2101010:
2157         case DRM_FORMAT_ARGB2101010:
2158                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2159                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
2160 #ifdef __BIG_ENDIAN
2161                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2162                                         ENDIAN_8IN32);
2163 #endif
2164                 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2165                 bypass_lut = true;
2166                 break;
2167         case DRM_FORMAT_BGRX1010102:
2168         case DRM_FORMAT_BGRA1010102:
2169                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2170                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 4);
2171 #ifdef __BIG_ENDIAN
2172                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2173                                         ENDIAN_8IN32);
2174 #endif
2175                 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2176                 bypass_lut = true;
2177                 break;
2178         default:
2179                 DRM_ERROR("Unsupported screen format %s\n",
2180                         drm_get_format_name(target_fb->pixel_format));
2181                 return -EINVAL;
2182         }
2183
2184         if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
2185                 unsigned bankw, bankh, mtaspect, tile_split, num_banks;
2186
2187                 bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
2188                 bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
2189                 mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
2190                 tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
2191                 num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
2192
2193                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_NUM_BANKS, num_banks);
2194                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2195                                           ARRAY_2D_TILED_THIN1);
2196                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_TILE_SPLIT,
2197                                           tile_split);
2198                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_WIDTH, bankw);
2199                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_HEIGHT, bankh);
2200                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MACRO_TILE_ASPECT,
2201                                           mtaspect);
2202                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MICRO_TILE_MODE,
2203                                           ADDR_SURF_MICRO_TILING_DISPLAY);
2204         } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
2205                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2206                                           ARRAY_1D_TILED_THIN1);
2207         }
2208
2209         fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_PIPE_CONFIG,
2210                                   pipe_config);
2211
2212         dce_v10_0_vga_enable(crtc, false);
2213
2214         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2215                upper_32_bits(fb_location));
2216         WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2217                upper_32_bits(fb_location));
2218         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2219                (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
2220         WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2221                (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK);
2222         WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
2223         WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
2224
2225         /*
2226          * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
2227          * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
2228          * retain the full precision throughout the pipeline.
2229          */
2230         tmp = RREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset);
2231         if (bypass_lut)
2232                 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 1);
2233         else
2234                 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 0);
2235         WREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset, tmp);
2236
2237         if (bypass_lut)
2238                 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
2239
2240         WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
2241         WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
2242         WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
2243         WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
2244         WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
2245         WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
2246
2247         fb_pitch_pixels = target_fb->pitches[0] / (target_fb->bits_per_pixel / 8);
2248         WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
2249
2250         dce_v10_0_grph_enable(crtc, true);
2251
2252         WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2253                target_fb->height);
2254
2255         x &= ~3;
2256         y &= ~1;
2257         WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2258                (x << 16) | y);
2259         viewport_w = crtc->mode.hdisplay;
2260         viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2261         WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2262                (viewport_w << 16) | viewport_h);
2263
2264         /* pageflip setup */
2265         /* make sure flip is at vb rather than hb */
2266         tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
2267         tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
2268                             GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0);
2269         WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2270
2271         /* set pageflip to happen only at start of vblank interval (front porch) */
2272         WREG32(mmMASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 3);
2273
2274         if (!atomic && fb && fb != crtc->primary->fb) {
2275                 amdgpu_fb = to_amdgpu_framebuffer(fb);
2276                 rbo = gem_to_amdgpu_bo(amdgpu_fb->obj);
2277                 r = amdgpu_bo_reserve(rbo, false);
2278                 if (unlikely(r != 0))
2279                         return r;
2280                 amdgpu_bo_unpin(rbo);
2281                 amdgpu_bo_unreserve(rbo);
2282         }
2283
2284         /* Bytes per pixel may have changed */
2285         dce_v10_0_bandwidth_update(adev);
2286
2287         return 0;
2288 }
2289
2290 static void dce_v10_0_set_interleave(struct drm_crtc *crtc,
2291                                      struct drm_display_mode *mode)
2292 {
2293         struct drm_device *dev = crtc->dev;
2294         struct amdgpu_device *adev = dev->dev_private;
2295         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2296         u32 tmp;
2297
2298         tmp = RREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset);
2299         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2300                 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 1);
2301         else
2302                 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 0);
2303         WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, tmp);
2304 }
2305
2306 static void dce_v10_0_crtc_load_lut(struct drm_crtc *crtc)
2307 {
2308         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2309         struct drm_device *dev = crtc->dev;
2310         struct amdgpu_device *adev = dev->dev_private;
2311         int i;
2312         u32 tmp;
2313
2314         DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2315
2316         tmp = RREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2317         tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_GRPH_MODE, 0);
2318         tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_OVL_MODE, 0);
2319         WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2320
2321         tmp = RREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset);
2322         tmp = REG_SET_FIELD(tmp, PRESCALE_GRPH_CONTROL, GRPH_PRESCALE_BYPASS, 1);
2323         WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2324
2325         tmp = RREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset);
2326         tmp = REG_SET_FIELD(tmp, PRESCALE_OVL_CONTROL, OVL_PRESCALE_BYPASS, 1);
2327         WREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2328
2329         tmp = RREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2330         tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, GRPH_INPUT_GAMMA_MODE, 0);
2331         tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, OVL_INPUT_GAMMA_MODE, 0);
2332         WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2333
2334         WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2335
2336         WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2337         WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2338         WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2339
2340         WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2341         WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2342         WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2343
2344         WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2345         WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2346
2347         WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2348         for (i = 0; i < 256; i++) {
2349                 WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2350                        (amdgpu_crtc->lut_r[i] << 20) |
2351                        (amdgpu_crtc->lut_g[i] << 10) |
2352                        (amdgpu_crtc->lut_b[i] << 0));
2353         }
2354
2355         tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2356         tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, GRPH_DEGAMMA_MODE, 0);
2357         tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, OVL_DEGAMMA_MODE, 0);
2358         tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR_DEGAMMA_MODE, 0);
2359         WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2360
2361         tmp = RREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset);
2362         tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, GRPH_GAMUT_REMAP_MODE, 0);
2363         tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, OVL_GAMUT_REMAP_MODE, 0);
2364         WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2365
2366         tmp = RREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2367         tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, GRPH_REGAMMA_MODE, 0);
2368         tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, OVL_REGAMMA_MODE, 0);
2369         WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2370
2371         tmp = RREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2372         tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_GRPH_MODE, 0);
2373         tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_OVL_MODE, 0);
2374         WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2375
2376         /* XXX match this to the depth of the crtc fmt block, move to modeset? */
2377         WREG32(mmDENORM_CONTROL + amdgpu_crtc->crtc_offset, 0);
2378         /* XXX this only needs to be programmed once per crtc at startup,
2379          * not sure where the best place for it is
2380          */
2381         tmp = RREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset);
2382         tmp = REG_SET_FIELD(tmp, ALPHA_CONTROL, CURSOR_ALPHA_BLND_ENA, 1);
2383         WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2384 }
2385
2386 static int dce_v10_0_pick_dig_encoder(struct drm_encoder *encoder)
2387 {
2388         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2389         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2390
2391         switch (amdgpu_encoder->encoder_id) {
2392         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2393                 if (dig->linkb)
2394                         return 1;
2395                 else
2396                         return 0;
2397                 break;
2398         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2399                 if (dig->linkb)
2400                         return 3;
2401                 else
2402                         return 2;
2403                 break;
2404         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2405                 if (dig->linkb)
2406                         return 5;
2407                 else
2408                         return 4;
2409                 break;
2410         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2411                 return 6;
2412                 break;
2413         default:
2414                 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2415                 return 0;
2416         }
2417 }
2418
2419 /**
2420  * dce_v10_0_pick_pll - Allocate a PPLL for use by the crtc.
2421  *
2422  * @crtc: drm crtc
2423  *
2424  * Returns the PPLL (Pixel PLL) to be used by the crtc.  For DP monitors
2425  * a single PPLL can be used for all DP crtcs/encoders.  For non-DP
2426  * monitors a dedicated PPLL must be used.  If a particular board has
2427  * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2428  * as there is no need to program the PLL itself.  If we are not able to
2429  * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2430  * avoid messing up an existing monitor.
2431  *
2432  * Asic specific PLL information
2433  *
2434  * DCE 10.x
2435  * Tonga
2436  * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP)
2437  * CI
2438  * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
2439  *
2440  */
2441 static u32 dce_v10_0_pick_pll(struct drm_crtc *crtc)
2442 {
2443         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2444         struct drm_device *dev = crtc->dev;
2445         struct amdgpu_device *adev = dev->dev_private;
2446         u32 pll_in_use;
2447         int pll;
2448
2449         if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2450                 if (adev->clock.dp_extclk)
2451                         /* skip PPLL programming if using ext clock */
2452                         return ATOM_PPLL_INVALID;
2453                 else {
2454                         /* use the same PPLL for all DP monitors */
2455                         pll = amdgpu_pll_get_shared_dp_ppll(crtc);
2456                         if (pll != ATOM_PPLL_INVALID)
2457                                 return pll;
2458                 }
2459         } else {
2460                 /* use the same PPLL for all monitors with the same clock */
2461                 pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2462                 if (pll != ATOM_PPLL_INVALID)
2463                         return pll;
2464         }
2465
2466         /* DCE10 has PPLL0, PPLL1, and PPLL2 */
2467         pll_in_use = amdgpu_pll_get_use_mask(crtc);
2468         if (!(pll_in_use & (1 << ATOM_PPLL2)))
2469                 return ATOM_PPLL2;
2470         if (!(pll_in_use & (1 << ATOM_PPLL1)))
2471                 return ATOM_PPLL1;
2472         if (!(pll_in_use & (1 << ATOM_PPLL0)))
2473                 return ATOM_PPLL0;
2474         DRM_ERROR("unable to allocate a PPLL\n");
2475         return ATOM_PPLL_INVALID;
2476 }
2477
2478 static void dce_v10_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2479 {
2480         struct amdgpu_device *adev = crtc->dev->dev_private;
2481         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2482         uint32_t cur_lock;
2483
2484         cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2485         if (lock)
2486                 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 1);
2487         else
2488                 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 0);
2489         WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2490 }
2491
2492 static void dce_v10_0_hide_cursor(struct drm_crtc *crtc)
2493 {
2494         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2495         struct amdgpu_device *adev = crtc->dev->dev_private;
2496         u32 tmp;
2497
2498         tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2499         tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0);
2500         WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2501 }
2502
2503 static void dce_v10_0_show_cursor(struct drm_crtc *crtc)
2504 {
2505         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2506         struct amdgpu_device *adev = crtc->dev->dev_private;
2507         u32 tmp;
2508
2509         WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2510                upper_32_bits(amdgpu_crtc->cursor_addr));
2511         WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2512                lower_32_bits(amdgpu_crtc->cursor_addr));
2513
2514         tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2515         tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1);
2516         tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2);
2517         WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2518 }
2519
2520 static int dce_v10_0_cursor_move_locked(struct drm_crtc *crtc,
2521                                         int x, int y)
2522 {
2523         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2524         struct amdgpu_device *adev = crtc->dev->dev_private;
2525         int xorigin = 0, yorigin = 0;
2526
2527         /* avivo cursor are offset into the total surface */
2528         x += crtc->x;
2529         y += crtc->y;
2530         DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2531
2532         if (x < 0) {
2533                 xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2534                 x = 0;
2535         }
2536         if (y < 0) {
2537                 yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2538                 y = 0;
2539         }
2540
2541         WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2542         WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2543         WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2544                ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2545
2546         amdgpu_crtc->cursor_x = x;
2547         amdgpu_crtc->cursor_y = y;
2548
2549         return 0;
2550 }
2551
2552 static int dce_v10_0_crtc_cursor_move(struct drm_crtc *crtc,
2553                                       int x, int y)
2554 {
2555         int ret;
2556
2557         dce_v10_0_lock_cursor(crtc, true);
2558         ret = dce_v10_0_cursor_move_locked(crtc, x, y);
2559         dce_v10_0_lock_cursor(crtc, false);
2560
2561         return ret;
2562 }
2563
2564 static int dce_v10_0_crtc_cursor_set2(struct drm_crtc *crtc,
2565                                       struct drm_file *file_priv,
2566                                       uint32_t handle,
2567                                       uint32_t width,
2568                                       uint32_t height,
2569                                       int32_t hot_x,
2570                                       int32_t hot_y)
2571 {
2572         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2573         struct drm_gem_object *obj;
2574         struct amdgpu_bo *aobj;
2575         int ret;
2576
2577         if (!handle) {
2578                 /* turn off cursor */
2579                 dce_v10_0_hide_cursor(crtc);
2580                 obj = NULL;
2581                 goto unpin;
2582         }
2583
2584         if ((width > amdgpu_crtc->max_cursor_width) ||
2585             (height > amdgpu_crtc->max_cursor_height)) {
2586                 DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2587                 return -EINVAL;
2588         }
2589
2590         obj = drm_gem_object_lookup(crtc->dev, file_priv, handle);
2591         if (!obj) {
2592                 DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2593                 return -ENOENT;
2594         }
2595
2596         aobj = gem_to_amdgpu_bo(obj);
2597         ret = amdgpu_bo_reserve(aobj, false);
2598         if (ret != 0) {
2599                 drm_gem_object_unreference_unlocked(obj);
2600                 return ret;
2601         }
2602
2603         ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM, &amdgpu_crtc->cursor_addr);
2604         amdgpu_bo_unreserve(aobj);
2605         if (ret) {
2606                 DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2607                 drm_gem_object_unreference_unlocked(obj);
2608                 return ret;
2609         }
2610
2611         amdgpu_crtc->cursor_width = width;
2612         amdgpu_crtc->cursor_height = height;
2613
2614         dce_v10_0_lock_cursor(crtc, true);
2615
2616         if (hot_x != amdgpu_crtc->cursor_hot_x ||
2617             hot_y != amdgpu_crtc->cursor_hot_y) {
2618                 int x, y;
2619
2620                 x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2621                 y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2622
2623                 dce_v10_0_cursor_move_locked(crtc, x, y);
2624
2625                 amdgpu_crtc->cursor_hot_x = hot_x;
2626                 amdgpu_crtc->cursor_hot_y = hot_y;
2627         }
2628
2629         dce_v10_0_show_cursor(crtc);
2630         dce_v10_0_lock_cursor(crtc, false);
2631
2632 unpin:
2633         if (amdgpu_crtc->cursor_bo) {
2634                 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2635                 ret = amdgpu_bo_reserve(aobj, false);
2636                 if (likely(ret == 0)) {
2637                         amdgpu_bo_unpin(aobj);
2638                         amdgpu_bo_unreserve(aobj);
2639                 }
2640                 drm_gem_object_unreference_unlocked(amdgpu_crtc->cursor_bo);
2641         }
2642
2643         amdgpu_crtc->cursor_bo = obj;
2644         return 0;
2645 }
2646
2647 static void dce_v10_0_cursor_reset(struct drm_crtc *crtc)
2648 {
2649         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2650
2651         if (amdgpu_crtc->cursor_bo) {
2652                 dce_v10_0_lock_cursor(crtc, true);
2653
2654                 dce_v10_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2655                                              amdgpu_crtc->cursor_y);
2656
2657                 dce_v10_0_show_cursor(crtc);
2658
2659                 dce_v10_0_lock_cursor(crtc, false);
2660         }
2661 }
2662
2663 static void dce_v10_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2664                                     u16 *blue, uint32_t start, uint32_t size)
2665 {
2666         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2667         int end = (start + size > 256) ? 256 : start + size, i;
2668
2669         /* userspace palettes are always correct as is */
2670         for (i = start; i < end; i++) {
2671                 amdgpu_crtc->lut_r[i] = red[i] >> 6;
2672                 amdgpu_crtc->lut_g[i] = green[i] >> 6;
2673                 amdgpu_crtc->lut_b[i] = blue[i] >> 6;
2674         }
2675         dce_v10_0_crtc_load_lut(crtc);
2676 }
2677
2678 static void dce_v10_0_crtc_destroy(struct drm_crtc *crtc)
2679 {
2680         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2681
2682         drm_crtc_cleanup(crtc);
2683         kfree(amdgpu_crtc);
2684 }
2685
2686 static const struct drm_crtc_funcs dce_v10_0_crtc_funcs = {
2687         .cursor_set2 = dce_v10_0_crtc_cursor_set2,
2688         .cursor_move = dce_v10_0_crtc_cursor_move,
2689         .gamma_set = dce_v10_0_crtc_gamma_set,
2690         .set_config = amdgpu_crtc_set_config,
2691         .destroy = dce_v10_0_crtc_destroy,
2692         .page_flip = amdgpu_crtc_page_flip,
2693 };
2694
2695 static void dce_v10_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2696 {
2697         struct drm_device *dev = crtc->dev;
2698         struct amdgpu_device *adev = dev->dev_private;
2699         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2700         unsigned type;
2701
2702         switch (mode) {
2703         case DRM_MODE_DPMS_ON:
2704                 amdgpu_crtc->enabled = true;
2705                 amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2706                 dce_v10_0_vga_enable(crtc, true);
2707                 amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2708                 dce_v10_0_vga_enable(crtc, false);
2709                 /* Make sure VBLANK and PFLIP interrupts are still enabled */
2710                 type = amdgpu_crtc_idx_to_irq_type(adev, amdgpu_crtc->crtc_id);
2711                 amdgpu_irq_update(adev, &adev->crtc_irq, type);
2712                 amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2713                 drm_vblank_on(dev, amdgpu_crtc->crtc_id);
2714                 dce_v10_0_crtc_load_lut(crtc);
2715                 break;
2716         case DRM_MODE_DPMS_STANDBY:
2717         case DRM_MODE_DPMS_SUSPEND:
2718         case DRM_MODE_DPMS_OFF:
2719                 drm_vblank_off(dev, amdgpu_crtc->crtc_id);
2720                 if (amdgpu_crtc->enabled) {
2721                         dce_v10_0_vga_enable(crtc, true);
2722                         amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2723                         dce_v10_0_vga_enable(crtc, false);
2724                 }
2725                 amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2726                 amdgpu_crtc->enabled = false;
2727                 break;
2728         }
2729         /* adjust pm to dpms */
2730         amdgpu_pm_compute_clocks(adev);
2731 }
2732
2733 static void dce_v10_0_crtc_prepare(struct drm_crtc *crtc)
2734 {
2735         /* disable crtc pair power gating before programming */
2736         amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2737         amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2738         dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2739 }
2740
2741 static void dce_v10_0_crtc_commit(struct drm_crtc *crtc)
2742 {
2743         dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2744         amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2745 }
2746
2747 static void dce_v10_0_crtc_disable(struct drm_crtc *crtc)
2748 {
2749         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2750         struct drm_device *dev = crtc->dev;
2751         struct amdgpu_device *adev = dev->dev_private;
2752         struct amdgpu_atom_ss ss;
2753         int i;
2754
2755         dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2756         if (crtc->primary->fb) {
2757                 int r;
2758                 struct amdgpu_framebuffer *amdgpu_fb;
2759                 struct amdgpu_bo *rbo;
2760
2761                 amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb);
2762                 rbo = gem_to_amdgpu_bo(amdgpu_fb->obj);
2763                 r = amdgpu_bo_reserve(rbo, false);
2764                 if (unlikely(r))
2765                         DRM_ERROR("failed to reserve rbo before unpin\n");
2766                 else {
2767                         amdgpu_bo_unpin(rbo);
2768                         amdgpu_bo_unreserve(rbo);
2769                 }
2770         }
2771         /* disable the GRPH */
2772         dce_v10_0_grph_enable(crtc, false);
2773
2774         amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2775
2776         for (i = 0; i < adev->mode_info.num_crtc; i++) {
2777                 if (adev->mode_info.crtcs[i] &&
2778                     adev->mode_info.crtcs[i]->enabled &&
2779                     i != amdgpu_crtc->crtc_id &&
2780                     amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2781                         /* one other crtc is using this pll don't turn
2782                          * off the pll
2783                          */
2784                         goto done;
2785                 }
2786         }
2787
2788         switch (amdgpu_crtc->pll_id) {
2789         case ATOM_PPLL0:
2790         case ATOM_PPLL1:
2791         case ATOM_PPLL2:
2792                 /* disable the ppll */
2793                 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2794                                           0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2795                 break;
2796         default:
2797                 break;
2798         }
2799 done:
2800         amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2801         amdgpu_crtc->adjusted_clock = 0;
2802         amdgpu_crtc->encoder = NULL;
2803         amdgpu_crtc->connector = NULL;
2804 }
2805
2806 static int dce_v10_0_crtc_mode_set(struct drm_crtc *crtc,
2807                                   struct drm_display_mode *mode,
2808                                   struct drm_display_mode *adjusted_mode,
2809                                   int x, int y, struct drm_framebuffer *old_fb)
2810 {
2811         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2812
2813         if (!amdgpu_crtc->adjusted_clock)
2814                 return -EINVAL;
2815
2816         amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2817         amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2818         dce_v10_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2819         amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2820         amdgpu_atombios_crtc_scaler_setup(crtc);
2821         dce_v10_0_cursor_reset(crtc);
2822         /* update the hw version fpr dpm */
2823         amdgpu_crtc->hw_mode = *adjusted_mode;
2824
2825         return 0;
2826 }
2827
2828 static bool dce_v10_0_crtc_mode_fixup(struct drm_crtc *crtc,
2829                                      const struct drm_display_mode *mode,
2830                                      struct drm_display_mode *adjusted_mode)
2831 {
2832         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2833         struct drm_device *dev = crtc->dev;
2834         struct drm_encoder *encoder;
2835
2836         /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2837         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2838                 if (encoder->crtc == crtc) {
2839                         amdgpu_crtc->encoder = encoder;
2840                         amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2841                         break;
2842                 }
2843         }
2844         if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2845                 amdgpu_crtc->encoder = NULL;
2846                 amdgpu_crtc->connector = NULL;
2847                 return false;
2848         }
2849         if (!amdgpu_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2850                 return false;
2851         if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2852                 return false;
2853         /* pick pll */
2854         amdgpu_crtc->pll_id = dce_v10_0_pick_pll(crtc);
2855         /* if we can't get a PPLL for a non-DP encoder, fail */
2856         if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2857             !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2858                 return false;
2859
2860         return true;
2861 }
2862
2863 static int dce_v10_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2864                                   struct drm_framebuffer *old_fb)
2865 {
2866         return dce_v10_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2867 }
2868
2869 static int dce_v10_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2870                                          struct drm_framebuffer *fb,
2871                                          int x, int y, enum mode_set_atomic state)
2872 {
2873        return dce_v10_0_crtc_do_set_base(crtc, fb, x, y, 1);
2874 }
2875
2876 static const struct drm_crtc_helper_funcs dce_v10_0_crtc_helper_funcs = {
2877         .dpms = dce_v10_0_crtc_dpms,
2878         .mode_fixup = dce_v10_0_crtc_mode_fixup,
2879         .mode_set = dce_v10_0_crtc_mode_set,
2880         .mode_set_base = dce_v10_0_crtc_set_base,
2881         .mode_set_base_atomic = dce_v10_0_crtc_set_base_atomic,
2882         .prepare = dce_v10_0_crtc_prepare,
2883         .commit = dce_v10_0_crtc_commit,
2884         .load_lut = dce_v10_0_crtc_load_lut,
2885         .disable = dce_v10_0_crtc_disable,
2886 };
2887
2888 static int dce_v10_0_crtc_init(struct amdgpu_device *adev, int index)
2889 {
2890         struct amdgpu_crtc *amdgpu_crtc;
2891         int i;
2892
2893         amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2894                               (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2895         if (amdgpu_crtc == NULL)
2896                 return -ENOMEM;
2897
2898         drm_crtc_init(adev->ddev, &amdgpu_crtc->base, &dce_v10_0_crtc_funcs);
2899
2900         drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2901         amdgpu_crtc->crtc_id = index;
2902         adev->mode_info.crtcs[index] = amdgpu_crtc;
2903
2904         amdgpu_crtc->max_cursor_width = 128;
2905         amdgpu_crtc->max_cursor_height = 128;
2906         adev->ddev->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2907         adev->ddev->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2908
2909         for (i = 0; i < 256; i++) {
2910                 amdgpu_crtc->lut_r[i] = i << 2;
2911                 amdgpu_crtc->lut_g[i] = i << 2;
2912                 amdgpu_crtc->lut_b[i] = i << 2;
2913         }
2914
2915         switch (amdgpu_crtc->crtc_id) {
2916         case 0:
2917         default:
2918                 amdgpu_crtc->crtc_offset = CRTC0_REGISTER_OFFSET;
2919                 break;
2920         case 1:
2921                 amdgpu_crtc->crtc_offset = CRTC1_REGISTER_OFFSET;
2922                 break;
2923         case 2:
2924                 amdgpu_crtc->crtc_offset = CRTC2_REGISTER_OFFSET;
2925                 break;
2926         case 3:
2927                 amdgpu_crtc->crtc_offset = CRTC3_REGISTER_OFFSET;
2928                 break;
2929         case 4:
2930                 amdgpu_crtc->crtc_offset = CRTC4_REGISTER_OFFSET;
2931                 break;
2932         case 5:
2933                 amdgpu_crtc->crtc_offset = CRTC5_REGISTER_OFFSET;
2934                 break;
2935         }
2936
2937         amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2938         amdgpu_crtc->adjusted_clock = 0;
2939         amdgpu_crtc->encoder = NULL;
2940         amdgpu_crtc->connector = NULL;
2941         drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v10_0_crtc_helper_funcs);
2942
2943         return 0;
2944 }
2945
2946 static int dce_v10_0_early_init(void *handle)
2947 {
2948         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2949
2950         adev->audio_endpt_rreg = &dce_v10_0_audio_endpt_rreg;
2951         adev->audio_endpt_wreg = &dce_v10_0_audio_endpt_wreg;
2952
2953         dce_v10_0_set_display_funcs(adev);
2954         dce_v10_0_set_irq_funcs(adev);
2955
2956         switch (adev->asic_type) {
2957         case CHIP_FIJI:
2958         case CHIP_TONGA:
2959                 adev->mode_info.num_crtc = 6; /* XXX 7??? */
2960                 adev->mode_info.num_hpd = 6;
2961                 adev->mode_info.num_dig = 7;
2962                 break;
2963         default:
2964                 /* FIXME: not supported yet */
2965                 return -EINVAL;
2966         }
2967
2968         return 0;
2969 }
2970
2971 static int dce_v10_0_sw_init(void *handle)
2972 {
2973         int r, i;
2974         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2975
2976         for (i = 0; i < adev->mode_info.num_crtc; i++) {
2977                 r = amdgpu_irq_add_id(adev, i + 1, &adev->crtc_irq);
2978                 if (r)
2979                         return r;
2980         }
2981
2982         for (i = 8; i < 20; i += 2) {
2983                 r = amdgpu_irq_add_id(adev, i, &adev->pageflip_irq);
2984                 if (r)
2985                         return r;
2986         }
2987
2988         /* HPD hotplug */
2989         r = amdgpu_irq_add_id(adev, 42, &adev->hpd_irq);
2990         if (r)
2991                 return r;
2992
2993         adev->ddev->mode_config.funcs = &amdgpu_mode_funcs;
2994
2995         adev->ddev->mode_config.max_width = 16384;
2996         adev->ddev->mode_config.max_height = 16384;
2997
2998         adev->ddev->mode_config.preferred_depth = 24;
2999         adev->ddev->mode_config.prefer_shadow = 1;
3000
3001         adev->ddev->mode_config.fb_base = adev->mc.aper_base;
3002
3003         r = amdgpu_modeset_create_props(adev);
3004         if (r)
3005                 return r;
3006
3007         adev->ddev->mode_config.max_width = 16384;
3008         adev->ddev->mode_config.max_height = 16384;
3009
3010         /* allocate crtcs */
3011         for (i = 0; i < adev->mode_info.num_crtc; i++) {
3012                 r = dce_v10_0_crtc_init(adev, i);
3013                 if (r)
3014                         return r;
3015         }
3016
3017         if (amdgpu_atombios_get_connector_info_from_object_table(adev))
3018                 amdgpu_print_display_setup(adev->ddev);
3019         else
3020                 return -EINVAL;
3021
3022         /* setup afmt */
3023         r = dce_v10_0_afmt_init(adev);
3024         if (r)
3025                 return r;
3026
3027         r = dce_v10_0_audio_init(adev);
3028         if (r)
3029                 return r;
3030
3031         drm_kms_helper_poll_init(adev->ddev);
3032
3033         adev->mode_info.mode_config_initialized = true;
3034         return 0;
3035 }
3036
3037 static int dce_v10_0_sw_fini(void *handle)
3038 {
3039         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3040
3041         kfree(adev->mode_info.bios_hardcoded_edid);
3042
3043         drm_kms_helper_poll_fini(adev->ddev);
3044
3045         dce_v10_0_audio_fini(adev);
3046
3047         dce_v10_0_afmt_fini(adev);
3048
3049         drm_mode_config_cleanup(adev->ddev);
3050         adev->mode_info.mode_config_initialized = false;
3051
3052         return 0;
3053 }
3054
3055 static int dce_v10_0_hw_init(void *handle)
3056 {
3057         int i;
3058         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3059
3060         dce_v10_0_init_golden_registers(adev);
3061
3062         /* init dig PHYs, disp eng pll */
3063         amdgpu_atombios_encoder_init_dig(adev);
3064         amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
3065
3066         /* initialize hpd */
3067         dce_v10_0_hpd_init(adev);
3068
3069         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3070                 dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3071         }
3072
3073         dce_v10_0_pageflip_interrupt_init(adev);
3074
3075         return 0;
3076 }
3077
3078 static int dce_v10_0_hw_fini(void *handle)
3079 {
3080         int i;
3081         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3082
3083         dce_v10_0_hpd_fini(adev);
3084
3085         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3086                 dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3087         }
3088
3089         dce_v10_0_pageflip_interrupt_fini(adev);
3090
3091         return 0;
3092 }
3093
3094 static int dce_v10_0_suspend(void *handle)
3095 {
3096         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3097
3098         amdgpu_atombios_scratch_regs_save(adev);
3099
3100         return dce_v10_0_hw_fini(handle);
3101 }
3102
3103 static int dce_v10_0_resume(void *handle)
3104 {
3105         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3106         int ret;
3107
3108         ret = dce_v10_0_hw_init(handle);
3109
3110         amdgpu_atombios_scratch_regs_restore(adev);
3111
3112         /* turn on the BL */
3113         if (adev->mode_info.bl_encoder) {
3114                 u8 bl_level = amdgpu_display_backlight_get_level(adev,
3115                                                                   adev->mode_info.bl_encoder);
3116                 amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
3117                                                     bl_level);
3118         }
3119
3120         return ret;
3121 }
3122
3123 static bool dce_v10_0_is_idle(void *handle)
3124 {
3125         return true;
3126 }
3127
3128 static int dce_v10_0_wait_for_idle(void *handle)
3129 {
3130         return 0;
3131 }
3132
3133 static void dce_v10_0_print_status(void *handle)
3134 {
3135         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3136
3137         dev_info(adev->dev, "DCE 10.x registers\n");
3138         /* XXX todo */
3139 }
3140
3141 static int dce_v10_0_soft_reset(void *handle)
3142 {
3143         u32 srbm_soft_reset = 0, tmp;
3144         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3145
3146         if (dce_v10_0_is_display_hung(adev))
3147                 srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK;
3148
3149         if (srbm_soft_reset) {
3150                 dce_v10_0_print_status((void *)adev);
3151
3152                 tmp = RREG32(mmSRBM_SOFT_RESET);
3153                 tmp |= srbm_soft_reset;
3154                 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
3155                 WREG32(mmSRBM_SOFT_RESET, tmp);
3156                 tmp = RREG32(mmSRBM_SOFT_RESET);
3157
3158                 udelay(50);
3159
3160                 tmp &= ~srbm_soft_reset;
3161                 WREG32(mmSRBM_SOFT_RESET, tmp);
3162                 tmp = RREG32(mmSRBM_SOFT_RESET);
3163
3164                 /* Wait a little for things to settle down */
3165                 udelay(50);
3166                 dce_v10_0_print_status((void *)adev);
3167         }
3168         return 0;
3169 }
3170
3171 static void dce_v10_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
3172                                                      int crtc,
3173                                                      enum amdgpu_interrupt_state state)
3174 {
3175         u32 lb_interrupt_mask;
3176
3177         if (crtc >= adev->mode_info.num_crtc) {
3178                 DRM_DEBUG("invalid crtc %d\n", crtc);
3179                 return;
3180         }
3181
3182         switch (state) {
3183         case AMDGPU_IRQ_STATE_DISABLE:
3184                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3185                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3186                                                   VBLANK_INTERRUPT_MASK, 0);
3187                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3188                 break;
3189         case AMDGPU_IRQ_STATE_ENABLE:
3190                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3191                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3192                                                   VBLANK_INTERRUPT_MASK, 1);
3193                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3194                 break;
3195         default:
3196                 break;
3197         }
3198 }
3199
3200 static void dce_v10_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
3201                                                     int crtc,
3202                                                     enum amdgpu_interrupt_state state)
3203 {
3204         u32 lb_interrupt_mask;
3205
3206         if (crtc >= adev->mode_info.num_crtc) {
3207                 DRM_DEBUG("invalid crtc %d\n", crtc);
3208                 return;
3209         }
3210
3211         switch (state) {
3212         case AMDGPU_IRQ_STATE_DISABLE:
3213                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3214                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3215                                                   VLINE_INTERRUPT_MASK, 0);
3216                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3217                 break;
3218         case AMDGPU_IRQ_STATE_ENABLE:
3219                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3220                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3221                                                   VLINE_INTERRUPT_MASK, 1);
3222                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3223                 break;
3224         default:
3225                 break;
3226         }
3227 }
3228
3229 static int dce_v10_0_set_hpd_irq_state(struct amdgpu_device *adev,
3230                                        struct amdgpu_irq_src *source,
3231                                        unsigned hpd,
3232                                        enum amdgpu_interrupt_state state)
3233 {
3234         u32 tmp;
3235
3236         if (hpd >= adev->mode_info.num_hpd) {
3237                 DRM_DEBUG("invalid hdp %d\n", hpd);
3238                 return 0;
3239         }
3240
3241         switch (state) {
3242         case AMDGPU_IRQ_STATE_DISABLE:
3243                 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3244                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
3245                 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3246                 break;
3247         case AMDGPU_IRQ_STATE_ENABLE:
3248                 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3249                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 1);
3250                 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3251                 break;
3252         default:
3253                 break;
3254         }
3255
3256         return 0;
3257 }
3258
3259 static int dce_v10_0_set_crtc_irq_state(struct amdgpu_device *adev,
3260                                         struct amdgpu_irq_src *source,
3261                                         unsigned type,
3262                                         enum amdgpu_interrupt_state state)
3263 {
3264         switch (type) {
3265         case AMDGPU_CRTC_IRQ_VBLANK1:
3266                 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 0, state);
3267                 break;
3268         case AMDGPU_CRTC_IRQ_VBLANK2:
3269                 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 1, state);
3270                 break;
3271         case AMDGPU_CRTC_IRQ_VBLANK3:
3272                 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 2, state);
3273                 break;
3274         case AMDGPU_CRTC_IRQ_VBLANK4:
3275                 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 3, state);
3276                 break;
3277         case AMDGPU_CRTC_IRQ_VBLANK5:
3278                 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 4, state);
3279                 break;
3280         case AMDGPU_CRTC_IRQ_VBLANK6:
3281                 dce_v10_0_set_crtc_vblank_interrupt_state(adev, 5, state);
3282                 break;
3283         case AMDGPU_CRTC_IRQ_VLINE1:
3284                 dce_v10_0_set_crtc_vline_interrupt_state(adev, 0, state);
3285                 break;
3286         case AMDGPU_CRTC_IRQ_VLINE2:
3287                 dce_v10_0_set_crtc_vline_interrupt_state(adev, 1, state);
3288                 break;
3289         case AMDGPU_CRTC_IRQ_VLINE3:
3290                 dce_v10_0_set_crtc_vline_interrupt_state(adev, 2, state);
3291                 break;
3292         case AMDGPU_CRTC_IRQ_VLINE4:
3293                 dce_v10_0_set_crtc_vline_interrupt_state(adev, 3, state);
3294                 break;
3295         case AMDGPU_CRTC_IRQ_VLINE5:
3296                 dce_v10_0_set_crtc_vline_interrupt_state(adev, 4, state);
3297                 break;
3298         case AMDGPU_CRTC_IRQ_VLINE6:
3299                 dce_v10_0_set_crtc_vline_interrupt_state(adev, 5, state);
3300                 break;
3301         default:
3302                 break;
3303         }
3304         return 0;
3305 }
3306
3307 static int dce_v10_0_set_pageflip_irq_state(struct amdgpu_device *adev,
3308                                             struct amdgpu_irq_src *src,
3309                                             unsigned type,
3310                                             enum amdgpu_interrupt_state state)
3311 {
3312         u32 reg;
3313
3314         if (type >= adev->mode_info.num_crtc) {
3315                 DRM_ERROR("invalid pageflip crtc %d\n", type);
3316                 return -EINVAL;
3317         }
3318
3319         reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3320         if (state == AMDGPU_IRQ_STATE_DISABLE)
3321                 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3322                        reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3323         else
3324                 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3325                        reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3326
3327         return 0;
3328 }
3329
3330 static int dce_v10_0_pageflip_irq(struct amdgpu_device *adev,
3331                                   struct amdgpu_irq_src *source,
3332                                   struct amdgpu_iv_entry *entry)
3333 {
3334         unsigned long flags;
3335         unsigned crtc_id;
3336         struct amdgpu_crtc *amdgpu_crtc;
3337         struct amdgpu_flip_work *works;
3338
3339         crtc_id = (entry->src_id - 8) >> 1;
3340         amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3341
3342         if (crtc_id >= adev->mode_info.num_crtc) {
3343                 DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3344                 return -EINVAL;
3345         }
3346
3347         if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3348             GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3349                 WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3350                        GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3351
3352         /* IRQ could occur when in initial stage */
3353         if (amdgpu_crtc == NULL)
3354                 return 0;
3355
3356         spin_lock_irqsave(&adev->ddev->event_lock, flags);
3357         works = amdgpu_crtc->pflip_works;
3358         if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED) {
3359                 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3360                                                  "AMDGPU_FLIP_SUBMITTED(%d)\n",
3361                                                  amdgpu_crtc->pflip_status,
3362                                                  AMDGPU_FLIP_SUBMITTED);
3363                 spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3364                 return 0;
3365         }
3366
3367         /* page flip completed. clean up */
3368         amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3369         amdgpu_crtc->pflip_works = NULL;
3370
3371         /* wakeup usersapce */
3372         if (works->event)
3373                 drm_send_vblank_event(adev->ddev, crtc_id, works->event);
3374
3375         spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3376
3377         drm_vblank_put(adev->ddev, amdgpu_crtc->crtc_id);
3378         schedule_work(&works->unpin_work);
3379
3380         return 0;
3381 }
3382
3383 static void dce_v10_0_hpd_int_ack(struct amdgpu_device *adev,
3384                                   int hpd)
3385 {
3386         u32 tmp;
3387
3388         if (hpd >= adev->mode_info.num_hpd) {
3389                 DRM_DEBUG("invalid hdp %d\n", hpd);
3390                 return;
3391         }
3392
3393         tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3394         tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_ACK, 1);
3395         WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3396 }
3397
3398 static void dce_v10_0_crtc_vblank_int_ack(struct amdgpu_device *adev,
3399                                           int crtc)
3400 {
3401         u32 tmp;
3402
3403         if (crtc >= adev->mode_info.num_crtc) {
3404                 DRM_DEBUG("invalid crtc %d\n", crtc);
3405                 return;
3406         }
3407
3408         tmp = RREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc]);
3409         tmp = REG_SET_FIELD(tmp, LB_VBLANK_STATUS, VBLANK_ACK, 1);
3410         WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], tmp);
3411 }
3412
3413 static void dce_v10_0_crtc_vline_int_ack(struct amdgpu_device *adev,
3414                                          int crtc)
3415 {
3416         u32 tmp;
3417
3418         if (crtc >= adev->mode_info.num_crtc) {
3419                 DRM_DEBUG("invalid crtc %d\n", crtc);
3420                 return;
3421         }
3422
3423         tmp = RREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc]);
3424         tmp = REG_SET_FIELD(tmp, LB_VLINE_STATUS, VLINE_ACK, 1);
3425         WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], tmp);
3426 }
3427
3428 static int dce_v10_0_crtc_irq(struct amdgpu_device *adev,
3429                               struct amdgpu_irq_src *source,
3430                               struct amdgpu_iv_entry *entry)
3431 {
3432         unsigned crtc = entry->src_id - 1;
3433         uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
3434         unsigned irq_type = amdgpu_crtc_idx_to_irq_type(adev, crtc);
3435
3436         switch (entry->src_data) {
3437         case 0: /* vblank */
3438                 if (disp_int & interrupt_status_offsets[crtc].vblank)
3439                         dce_v10_0_crtc_vblank_int_ack(adev, crtc);
3440                 else
3441                         DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3442
3443                 if (amdgpu_irq_enabled(adev, source, irq_type)) {
3444                         drm_handle_vblank(adev->ddev, crtc);
3445                 }
3446                 DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3447
3448                 break;
3449         case 1: /* vline */
3450                 if (disp_int & interrupt_status_offsets[crtc].vline)
3451                         dce_v10_0_crtc_vline_int_ack(adev, crtc);
3452                 else
3453                         DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3454
3455                 DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3456
3457                 break;
3458         default:
3459                 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data);
3460                 break;
3461         }
3462
3463         return 0;
3464 }
3465
3466 static int dce_v10_0_hpd_irq(struct amdgpu_device *adev,
3467                              struct amdgpu_irq_src *source,
3468                              struct amdgpu_iv_entry *entry)
3469 {
3470         uint32_t disp_int, mask;
3471         unsigned hpd;
3472
3473         if (entry->src_data >= adev->mode_info.num_hpd) {
3474                 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data);
3475                 return 0;
3476         }
3477
3478         hpd = entry->src_data;
3479         disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3480         mask = interrupt_status_offsets[hpd].hpd;
3481
3482         if (disp_int & mask) {
3483                 dce_v10_0_hpd_int_ack(adev, hpd);
3484                 schedule_work(&adev->hotplug_work);
3485                 DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3486         }
3487
3488         return 0;
3489 }
3490
3491 static int dce_v10_0_set_clockgating_state(void *handle,
3492                                           enum amd_clockgating_state state)
3493 {
3494         return 0;
3495 }
3496
3497 static int dce_v10_0_set_powergating_state(void *handle,
3498                                           enum amd_powergating_state state)
3499 {
3500         return 0;
3501 }
3502
3503 const struct amd_ip_funcs dce_v10_0_ip_funcs = {
3504         .early_init = dce_v10_0_early_init,
3505         .late_init = NULL,
3506         .sw_init = dce_v10_0_sw_init,
3507         .sw_fini = dce_v10_0_sw_fini,
3508         .hw_init = dce_v10_0_hw_init,
3509         .hw_fini = dce_v10_0_hw_fini,
3510         .suspend = dce_v10_0_suspend,
3511         .resume = dce_v10_0_resume,
3512         .is_idle = dce_v10_0_is_idle,
3513         .wait_for_idle = dce_v10_0_wait_for_idle,
3514         .soft_reset = dce_v10_0_soft_reset,
3515         .print_status = dce_v10_0_print_status,
3516         .set_clockgating_state = dce_v10_0_set_clockgating_state,
3517         .set_powergating_state = dce_v10_0_set_powergating_state,
3518 };
3519
3520 static void
3521 dce_v10_0_encoder_mode_set(struct drm_encoder *encoder,
3522                           struct drm_display_mode *mode,
3523                           struct drm_display_mode *adjusted_mode)
3524 {
3525         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3526
3527         amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3528
3529         /* need to call this here rather than in prepare() since we need some crtc info */
3530         amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3531
3532         /* set scaler clears this on some chips */
3533         dce_v10_0_set_interleave(encoder->crtc, mode);
3534
3535         if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
3536                 dce_v10_0_afmt_enable(encoder, true);
3537                 dce_v10_0_afmt_setmode(encoder, adjusted_mode);
3538         }
3539 }
3540
3541 static void dce_v10_0_encoder_prepare(struct drm_encoder *encoder)
3542 {
3543         struct amdgpu_device *adev = encoder->dev->dev_private;
3544         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3545         struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3546
3547         if ((amdgpu_encoder->active_device &
3548              (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3549             (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3550              ENCODER_OBJECT_ID_NONE)) {
3551                 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3552                 if (dig) {
3553                         dig->dig_encoder = dce_v10_0_pick_dig_encoder(encoder);
3554                         if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3555                                 dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3556                 }
3557         }
3558
3559         amdgpu_atombios_scratch_regs_lock(adev, true);
3560
3561         if (connector) {
3562                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3563
3564                 /* select the clock/data port if it uses a router */
3565                 if (amdgpu_connector->router.cd_valid)
3566                         amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3567
3568                 /* turn eDP panel on for mode set */
3569                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3570                         amdgpu_atombios_encoder_set_edp_panel_power(connector,
3571                                                              ATOM_TRANSMITTER_ACTION_POWER_ON);
3572         }
3573
3574         /* this is needed for the pll/ss setup to work correctly in some cases */
3575         amdgpu_atombios_encoder_set_crtc_source(encoder);
3576         /* set up the FMT blocks */
3577         dce_v10_0_program_fmt(encoder);
3578 }
3579
3580 static void dce_v10_0_encoder_commit(struct drm_encoder *encoder)
3581 {
3582         struct drm_device *dev = encoder->dev;
3583         struct amdgpu_device *adev = dev->dev_private;
3584
3585         /* need to call this here as we need the crtc set up */
3586         amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3587         amdgpu_atombios_scratch_regs_lock(adev, false);
3588 }
3589
3590 static void dce_v10_0_encoder_disable(struct drm_encoder *encoder)
3591 {
3592         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3593         struct amdgpu_encoder_atom_dig *dig;
3594
3595         amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3596
3597         if (amdgpu_atombios_encoder_is_digital(encoder)) {
3598                 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
3599                         dce_v10_0_afmt_enable(encoder, false);
3600                 dig = amdgpu_encoder->enc_priv;
3601                 dig->dig_encoder = -1;
3602         }
3603         amdgpu_encoder->active_device = 0;
3604 }
3605
3606 /* these are handled by the primary encoders */
3607 static void dce_v10_0_ext_prepare(struct drm_encoder *encoder)
3608 {
3609
3610 }
3611
3612 static void dce_v10_0_ext_commit(struct drm_encoder *encoder)
3613 {
3614
3615 }
3616
3617 static void
3618 dce_v10_0_ext_mode_set(struct drm_encoder *encoder,
3619                       struct drm_display_mode *mode,
3620                       struct drm_display_mode *adjusted_mode)
3621 {
3622
3623 }
3624
3625 static void dce_v10_0_ext_disable(struct drm_encoder *encoder)
3626 {
3627
3628 }
3629
3630 static void
3631 dce_v10_0_ext_dpms(struct drm_encoder *encoder, int mode)
3632 {
3633
3634 }
3635
3636 static const struct drm_encoder_helper_funcs dce_v10_0_ext_helper_funcs = {
3637         .dpms = dce_v10_0_ext_dpms,
3638         .prepare = dce_v10_0_ext_prepare,
3639         .mode_set = dce_v10_0_ext_mode_set,
3640         .commit = dce_v10_0_ext_commit,
3641         .disable = dce_v10_0_ext_disable,
3642         /* no detect for TMDS/LVDS yet */
3643 };
3644
3645 static const struct drm_encoder_helper_funcs dce_v10_0_dig_helper_funcs = {
3646         .dpms = amdgpu_atombios_encoder_dpms,
3647         .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3648         .prepare = dce_v10_0_encoder_prepare,
3649         .mode_set = dce_v10_0_encoder_mode_set,
3650         .commit = dce_v10_0_encoder_commit,
3651         .disable = dce_v10_0_encoder_disable,
3652         .detect = amdgpu_atombios_encoder_dig_detect,
3653 };
3654
3655 static const struct drm_encoder_helper_funcs dce_v10_0_dac_helper_funcs = {
3656         .dpms = amdgpu_atombios_encoder_dpms,
3657         .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3658         .prepare = dce_v10_0_encoder_prepare,
3659         .mode_set = dce_v10_0_encoder_mode_set,
3660         .commit = dce_v10_0_encoder_commit,
3661         .detect = amdgpu_atombios_encoder_dac_detect,
3662 };
3663
3664 static void dce_v10_0_encoder_destroy(struct drm_encoder *encoder)
3665 {
3666         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3667         if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3668                 amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3669         kfree(amdgpu_encoder->enc_priv);
3670         drm_encoder_cleanup(encoder);
3671         kfree(amdgpu_encoder);
3672 }
3673
3674 static const struct drm_encoder_funcs dce_v10_0_encoder_funcs = {
3675         .destroy = dce_v10_0_encoder_destroy,
3676 };
3677
3678 static void dce_v10_0_encoder_add(struct amdgpu_device *adev,
3679                                  uint32_t encoder_enum,
3680                                  uint32_t supported_device,
3681                                  u16 caps)
3682 {
3683         struct drm_device *dev = adev->ddev;
3684         struct drm_encoder *encoder;
3685         struct amdgpu_encoder *amdgpu_encoder;
3686
3687         /* see if we already added it */
3688         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3689                 amdgpu_encoder = to_amdgpu_encoder(encoder);
3690                 if (amdgpu_encoder->encoder_enum == encoder_enum) {
3691                         amdgpu_encoder->devices |= supported_device;
3692                         return;
3693                 }
3694
3695         }
3696
3697         /* add a new one */
3698         amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3699         if (!amdgpu_encoder)
3700                 return;
3701
3702         encoder = &amdgpu_encoder->base;
3703         switch (adev->mode_info.num_crtc) {
3704         case 1:
3705                 encoder->possible_crtcs = 0x1;
3706                 break;
3707         case 2:
3708         default:
3709                 encoder->possible_crtcs = 0x3;
3710                 break;
3711         case 4:
3712                 encoder->possible_crtcs = 0xf;
3713                 break;
3714         case 6:
3715                 encoder->possible_crtcs = 0x3f;
3716                 break;
3717         }
3718
3719         amdgpu_encoder->enc_priv = NULL;
3720
3721         amdgpu_encoder->encoder_enum = encoder_enum;
3722         amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3723         amdgpu_encoder->devices = supported_device;
3724         amdgpu_encoder->rmx_type = RMX_OFF;
3725         amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3726         amdgpu_encoder->is_ext_encoder = false;
3727         amdgpu_encoder->caps = caps;
3728
3729         switch (amdgpu_encoder->encoder_id) {
3730         case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3731         case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3732                 drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3733                                  DRM_MODE_ENCODER_DAC, NULL);
3734                 drm_encoder_helper_add(encoder, &dce_v10_0_dac_helper_funcs);
3735                 break;
3736         case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3737         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3738         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3739         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3740         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3741                 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3742                         amdgpu_encoder->rmx_type = RMX_FULL;
3743                         drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3744                                          DRM_MODE_ENCODER_LVDS, NULL);
3745                         amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3746                 } else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3747                         drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3748                                          DRM_MODE_ENCODER_DAC, NULL);
3749                         amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3750                 } else {
3751                         drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3752                                          DRM_MODE_ENCODER_TMDS, NULL);
3753                         amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3754                 }
3755                 drm_encoder_helper_add(encoder, &dce_v10_0_dig_helper_funcs);
3756                 break;
3757         case ENCODER_OBJECT_ID_SI170B:
3758         case ENCODER_OBJECT_ID_CH7303:
3759         case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3760         case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3761         case ENCODER_OBJECT_ID_TITFP513:
3762         case ENCODER_OBJECT_ID_VT1623:
3763         case ENCODER_OBJECT_ID_HDMI_SI1930:
3764         case ENCODER_OBJECT_ID_TRAVIS:
3765         case ENCODER_OBJECT_ID_NUTMEG:
3766                 /* these are handled by the primary encoders */
3767                 amdgpu_encoder->is_ext_encoder = true;
3768                 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3769                         drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3770                                          DRM_MODE_ENCODER_LVDS, NULL);
3771                 else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3772                         drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3773                                          DRM_MODE_ENCODER_DAC, NULL);
3774                 else
3775                         drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3776                                          DRM_MODE_ENCODER_TMDS, NULL);
3777                 drm_encoder_helper_add(encoder, &dce_v10_0_ext_helper_funcs);
3778                 break;
3779         }
3780 }
3781
3782 static const struct amdgpu_display_funcs dce_v10_0_display_funcs = {
3783         .set_vga_render_state = &dce_v10_0_set_vga_render_state,
3784         .bandwidth_update = &dce_v10_0_bandwidth_update,
3785         .vblank_get_counter = &dce_v10_0_vblank_get_counter,
3786         .vblank_wait = &dce_v10_0_vblank_wait,
3787         .is_display_hung = &dce_v10_0_is_display_hung,
3788         .backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3789         .backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3790         .hpd_sense = &dce_v10_0_hpd_sense,
3791         .hpd_set_polarity = &dce_v10_0_hpd_set_polarity,
3792         .hpd_get_gpio_reg = &dce_v10_0_hpd_get_gpio_reg,
3793         .page_flip = &dce_v10_0_page_flip,
3794         .page_flip_get_scanoutpos = &dce_v10_0_crtc_get_scanoutpos,
3795         .add_encoder = &dce_v10_0_encoder_add,
3796         .add_connector = &amdgpu_connector_add,
3797         .stop_mc_access = &dce_v10_0_stop_mc_access,
3798         .resume_mc_access = &dce_v10_0_resume_mc_access,
3799 };
3800
3801 static void dce_v10_0_set_display_funcs(struct amdgpu_device *adev)
3802 {
3803         if (adev->mode_info.funcs == NULL)
3804                 adev->mode_info.funcs = &dce_v10_0_display_funcs;
3805 }
3806
3807 static const struct amdgpu_irq_src_funcs dce_v10_0_crtc_irq_funcs = {
3808         .set = dce_v10_0_set_crtc_irq_state,
3809         .process = dce_v10_0_crtc_irq,
3810 };
3811
3812 static const struct amdgpu_irq_src_funcs dce_v10_0_pageflip_irq_funcs = {
3813         .set = dce_v10_0_set_pageflip_irq_state,
3814         .process = dce_v10_0_pageflip_irq,
3815 };
3816
3817 static const struct amdgpu_irq_src_funcs dce_v10_0_hpd_irq_funcs = {
3818         .set = dce_v10_0_set_hpd_irq_state,
3819         .process = dce_v10_0_hpd_irq,
3820 };
3821
3822 static void dce_v10_0_set_irq_funcs(struct amdgpu_device *adev)
3823 {
3824         adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_LAST;
3825         adev->crtc_irq.funcs = &dce_v10_0_crtc_irq_funcs;
3826
3827         adev->pageflip_irq.num_types = AMDGPU_PAGEFLIP_IRQ_LAST;
3828         adev->pageflip_irq.funcs = &dce_v10_0_pageflip_irq_funcs;
3829
3830         adev->hpd_irq.num_types = AMDGPU_HPD_LAST;
3831         adev->hpd_irq.funcs = &dce_v10_0_hpd_irq_funcs;
3832 }