Merge branch 'linux-linaro-lsk-v4.4-android' of git://git.linaro.org/kernel/linux...
[firefly-linux-kernel-4.4.55.git] / drivers / gpu / drm / amd / amdgpu / dce_v11_0.c
1 /*
2  * Copyright 2014 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  */
23 #include "drmP.h"
24 #include "amdgpu.h"
25 #include "amdgpu_pm.h"
26 #include "amdgpu_i2c.h"
27 #include "vid.h"
28 #include "atom.h"
29 #include "amdgpu_atombios.h"
30 #include "atombios_crtc.h"
31 #include "atombios_encoders.h"
32 #include "amdgpu_pll.h"
33 #include "amdgpu_connectors.h"
34
35 #include "dce/dce_11_0_d.h"
36 #include "dce/dce_11_0_sh_mask.h"
37 #include "dce/dce_11_0_enum.h"
38 #include "oss/oss_3_0_d.h"
39 #include "oss/oss_3_0_sh_mask.h"
40 #include "gmc/gmc_8_1_d.h"
41 #include "gmc/gmc_8_1_sh_mask.h"
42
43 static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev);
44 static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev);
45
46 static const u32 crtc_offsets[] =
47 {
48         CRTC0_REGISTER_OFFSET,
49         CRTC1_REGISTER_OFFSET,
50         CRTC2_REGISTER_OFFSET,
51         CRTC3_REGISTER_OFFSET,
52         CRTC4_REGISTER_OFFSET,
53         CRTC5_REGISTER_OFFSET,
54         CRTC6_REGISTER_OFFSET
55 };
56
57 static const u32 hpd_offsets[] =
58 {
59         HPD0_REGISTER_OFFSET,
60         HPD1_REGISTER_OFFSET,
61         HPD2_REGISTER_OFFSET,
62         HPD3_REGISTER_OFFSET,
63         HPD4_REGISTER_OFFSET,
64         HPD5_REGISTER_OFFSET
65 };
66
67 static const uint32_t dig_offsets[] = {
68         DIG0_REGISTER_OFFSET,
69         DIG1_REGISTER_OFFSET,
70         DIG2_REGISTER_OFFSET,
71         DIG3_REGISTER_OFFSET,
72         DIG4_REGISTER_OFFSET,
73         DIG5_REGISTER_OFFSET,
74         DIG6_REGISTER_OFFSET,
75         DIG7_REGISTER_OFFSET,
76         DIG8_REGISTER_OFFSET
77 };
78
79 static const struct {
80         uint32_t        reg;
81         uint32_t        vblank;
82         uint32_t        vline;
83         uint32_t        hpd;
84
85 } interrupt_status_offsets[] = { {
86         .reg = mmDISP_INTERRUPT_STATUS,
87         .vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
88         .vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
89         .hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
90 }, {
91         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
92         .vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
93         .vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
94         .hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
95 }, {
96         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
97         .vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
98         .vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
99         .hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
100 }, {
101         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
102         .vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
103         .vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
104         .hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
105 }, {
106         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
107         .vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
108         .vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
109         .hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
110 }, {
111         .reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
112         .vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
113         .vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
114         .hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
115 } };
116
117 static const u32 cz_golden_settings_a11[] =
118 {
119         mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000,
120         mmFBC_MISC, 0x1f311fff, 0x14300000,
121 };
122
123 static const u32 cz_mgcg_cgcg_init[] =
124 {
125         mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
126         mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
127 };
128
129 static const u32 stoney_golden_settings_a11[] =
130 {
131         mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000,
132         mmFBC_MISC, 0x1f311fff, 0x14302000,
133 };
134
135
136 static void dce_v11_0_init_golden_registers(struct amdgpu_device *adev)
137 {
138         switch (adev->asic_type) {
139         case CHIP_CARRIZO:
140                 amdgpu_program_register_sequence(adev,
141                                                  cz_mgcg_cgcg_init,
142                                                  (const u32)ARRAY_SIZE(cz_mgcg_cgcg_init));
143                 amdgpu_program_register_sequence(adev,
144                                                  cz_golden_settings_a11,
145                                                  (const u32)ARRAY_SIZE(cz_golden_settings_a11));
146                 break;
147         case CHIP_STONEY:
148                 amdgpu_program_register_sequence(adev,
149                                                  stoney_golden_settings_a11,
150                                                  (const u32)ARRAY_SIZE(stoney_golden_settings_a11));
151                 break;
152         default:
153                 break;
154         }
155 }
156
157 static u32 dce_v11_0_audio_endpt_rreg(struct amdgpu_device *adev,
158                                      u32 block_offset, u32 reg)
159 {
160         unsigned long flags;
161         u32 r;
162
163         spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
164         WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
165         r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
166         spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
167
168         return r;
169 }
170
171 static void dce_v11_0_audio_endpt_wreg(struct amdgpu_device *adev,
172                                       u32 block_offset, u32 reg, u32 v)
173 {
174         unsigned long flags;
175
176         spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
177         WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
178         WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
179         spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
180 }
181
182 static bool dce_v11_0_is_in_vblank(struct amdgpu_device *adev, int crtc)
183 {
184         if (RREG32(mmCRTC_STATUS + crtc_offsets[crtc]) &
185                         CRTC_V_BLANK_START_END__CRTC_V_BLANK_START_MASK)
186                 return true;
187         else
188                 return false;
189 }
190
191 static bool dce_v11_0_is_counter_moving(struct amdgpu_device *adev, int crtc)
192 {
193         u32 pos1, pos2;
194
195         pos1 = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
196         pos2 = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
197
198         if (pos1 != pos2)
199                 return true;
200         else
201                 return false;
202 }
203
204 /**
205  * dce_v11_0_vblank_wait - vblank wait asic callback.
206  *
207  * @adev: amdgpu_device pointer
208  * @crtc: crtc to wait for vblank on
209  *
210  * Wait for vblank on the requested crtc (evergreen+).
211  */
212 static void dce_v11_0_vblank_wait(struct amdgpu_device *adev, int crtc)
213 {
214         unsigned i = 0;
215
216         if (crtc >= adev->mode_info.num_crtc)
217                 return;
218
219         if (!(RREG32(mmCRTC_CONTROL + crtc_offsets[crtc]) & CRTC_CONTROL__CRTC_MASTER_EN_MASK))
220                 return;
221
222         /* depending on when we hit vblank, we may be close to active; if so,
223          * wait for another frame.
224          */
225         while (dce_v11_0_is_in_vblank(adev, crtc)) {
226                 if (i++ % 100 == 0) {
227                         if (!dce_v11_0_is_counter_moving(adev, crtc))
228                                 break;
229                 }
230         }
231
232         while (!dce_v11_0_is_in_vblank(adev, crtc)) {
233                 if (i++ % 100 == 0) {
234                         if (!dce_v11_0_is_counter_moving(adev, crtc))
235                                 break;
236                 }
237         }
238 }
239
240 static u32 dce_v11_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
241 {
242         if (crtc >= adev->mode_info.num_crtc)
243                 return 0;
244         else
245                 return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
246 }
247
248 static void dce_v11_0_pageflip_interrupt_init(struct amdgpu_device *adev)
249 {
250         unsigned i;
251
252         /* Enable pflip interrupts */
253         for (i = 0; i < adev->mode_info.num_crtc; i++)
254                 amdgpu_irq_get(adev, &adev->pageflip_irq, i);
255 }
256
257 static void dce_v11_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
258 {
259         unsigned i;
260
261         /* Disable pflip interrupts */
262         for (i = 0; i < adev->mode_info.num_crtc; i++)
263                 amdgpu_irq_put(adev, &adev->pageflip_irq, i);
264 }
265
266 /**
267  * dce_v11_0_page_flip - pageflip callback.
268  *
269  * @adev: amdgpu_device pointer
270  * @crtc_id: crtc to cleanup pageflip on
271  * @crtc_base: new address of the crtc (GPU MC address)
272  *
273  * Triggers the actual pageflip by updating the primary
274  * surface base address.
275  */
276 static void dce_v11_0_page_flip(struct amdgpu_device *adev,
277                               int crtc_id, u64 crtc_base)
278 {
279         struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
280
281         /* update the scanout addresses */
282         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
283                upper_32_bits(crtc_base));
284         /* writing to the low address triggers the update */
285         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
286                lower_32_bits(crtc_base));
287         /* post the write */
288         RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
289 }
290
291 static int dce_v11_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
292                                         u32 *vbl, u32 *position)
293 {
294         if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
295                 return -EINVAL;
296
297         *vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
298         *position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
299
300         return 0;
301 }
302
303 /**
304  * dce_v11_0_hpd_sense - hpd sense callback.
305  *
306  * @adev: amdgpu_device pointer
307  * @hpd: hpd (hotplug detect) pin
308  *
309  * Checks if a digital monitor is connected (evergreen+).
310  * Returns true if connected, false if not connected.
311  */
312 static bool dce_v11_0_hpd_sense(struct amdgpu_device *adev,
313                                enum amdgpu_hpd_id hpd)
314 {
315         int idx;
316         bool connected = false;
317
318         switch (hpd) {
319         case AMDGPU_HPD_1:
320                 idx = 0;
321                 break;
322         case AMDGPU_HPD_2:
323                 idx = 1;
324                 break;
325         case AMDGPU_HPD_3:
326                 idx = 2;
327                 break;
328         case AMDGPU_HPD_4:
329                 idx = 3;
330                 break;
331         case AMDGPU_HPD_5:
332                 idx = 4;
333                 break;
334         case AMDGPU_HPD_6:
335                 idx = 5;
336                 break;
337         default:
338                 return connected;
339         }
340
341         if (RREG32(mmDC_HPD_INT_STATUS + hpd_offsets[idx]) &
342             DC_HPD_INT_STATUS__DC_HPD_SENSE_MASK)
343                 connected = true;
344
345         return connected;
346 }
347
348 /**
349  * dce_v11_0_hpd_set_polarity - hpd set polarity callback.
350  *
351  * @adev: amdgpu_device pointer
352  * @hpd: hpd (hotplug detect) pin
353  *
354  * Set the polarity of the hpd pin (evergreen+).
355  */
356 static void dce_v11_0_hpd_set_polarity(struct amdgpu_device *adev,
357                                       enum amdgpu_hpd_id hpd)
358 {
359         u32 tmp;
360         bool connected = dce_v11_0_hpd_sense(adev, hpd);
361         int idx;
362
363         switch (hpd) {
364         case AMDGPU_HPD_1:
365                 idx = 0;
366                 break;
367         case AMDGPU_HPD_2:
368                 idx = 1;
369                 break;
370         case AMDGPU_HPD_3:
371                 idx = 2;
372                 break;
373         case AMDGPU_HPD_4:
374                 idx = 3;
375                 break;
376         case AMDGPU_HPD_5:
377                 idx = 4;
378                 break;
379         case AMDGPU_HPD_6:
380                 idx = 5;
381                 break;
382         default:
383                 return;
384         }
385
386         tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[idx]);
387         if (connected)
388                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 0);
389         else
390                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 1);
391         WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[idx], tmp);
392 }
393
394 /**
395  * dce_v11_0_hpd_init - hpd setup callback.
396  *
397  * @adev: amdgpu_device pointer
398  *
399  * Setup the hpd pins used by the card (evergreen+).
400  * Enable the pin, set the polarity, and enable the hpd interrupts.
401  */
402 static void dce_v11_0_hpd_init(struct amdgpu_device *adev)
403 {
404         struct drm_device *dev = adev->ddev;
405         struct drm_connector *connector;
406         u32 tmp;
407         int idx;
408
409         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
410                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
411
412                 switch (amdgpu_connector->hpd.hpd) {
413                 case AMDGPU_HPD_1:
414                         idx = 0;
415                         break;
416                 case AMDGPU_HPD_2:
417                         idx = 1;
418                         break;
419                 case AMDGPU_HPD_3:
420                         idx = 2;
421                         break;
422                 case AMDGPU_HPD_4:
423                         idx = 3;
424                         break;
425                 case AMDGPU_HPD_5:
426                         idx = 4;
427                         break;
428                 case AMDGPU_HPD_6:
429                         idx = 5;
430                         break;
431                 default:
432                         continue;
433                 }
434
435                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
436                     connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
437                         /* don't try to enable hpd on eDP or LVDS avoid breaking the
438                          * aux dp channel on imac and help (but not completely fix)
439                          * https://bugzilla.redhat.com/show_bug.cgi?id=726143
440                          * also avoid interrupt storms during dpms.
441                          */
442                         tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[idx]);
443                         tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
444                         WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[idx], tmp);
445                         continue;
446                 }
447
448                 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[idx]);
449                 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 1);
450                 WREG32(mmDC_HPD_CONTROL + hpd_offsets[idx], tmp);
451
452                 tmp = RREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[idx]);
453                 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
454                                     DC_HPD_CONNECT_INT_DELAY,
455                                     AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS);
456                 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
457                                     DC_HPD_DISCONNECT_INT_DELAY,
458                                     AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS);
459                 WREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[idx], tmp);
460
461                 dce_v11_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
462                 amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
463         }
464 }
465
466 /**
467  * dce_v11_0_hpd_fini - hpd tear down callback.
468  *
469  * @adev: amdgpu_device pointer
470  *
471  * Tear down the hpd pins used by the card (evergreen+).
472  * Disable the hpd interrupts.
473  */
474 static void dce_v11_0_hpd_fini(struct amdgpu_device *adev)
475 {
476         struct drm_device *dev = adev->ddev;
477         struct drm_connector *connector;
478         u32 tmp;
479         int idx;
480
481         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
482                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
483
484                 switch (amdgpu_connector->hpd.hpd) {
485                 case AMDGPU_HPD_1:
486                         idx = 0;
487                         break;
488                 case AMDGPU_HPD_2:
489                         idx = 1;
490                         break;
491                 case AMDGPU_HPD_3:
492                         idx = 2;
493                         break;
494                 case AMDGPU_HPD_4:
495                         idx = 3;
496                         break;
497                 case AMDGPU_HPD_5:
498                         idx = 4;
499                         break;
500                 case AMDGPU_HPD_6:
501                         idx = 5;
502                         break;
503                 default:
504                         continue;
505                 }
506
507                 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[idx]);
508                 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 0);
509                 WREG32(mmDC_HPD_CONTROL + hpd_offsets[idx], tmp);
510
511                 amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
512         }
513 }
514
515 static u32 dce_v11_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
516 {
517         return mmDC_GPIO_HPD_A;
518 }
519
520 static bool dce_v11_0_is_display_hung(struct amdgpu_device *adev)
521 {
522         u32 crtc_hung = 0;
523         u32 crtc_status[6];
524         u32 i, j, tmp;
525
526         for (i = 0; i < adev->mode_info.num_crtc; i++) {
527                 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
528                 if (REG_GET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN)) {
529                         crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
530                         crtc_hung |= (1 << i);
531                 }
532         }
533
534         for (j = 0; j < 10; j++) {
535                 for (i = 0; i < adev->mode_info.num_crtc; i++) {
536                         if (crtc_hung & (1 << i)) {
537                                 tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
538                                 if (tmp != crtc_status[i])
539                                         crtc_hung &= ~(1 << i);
540                         }
541                 }
542                 if (crtc_hung == 0)
543                         return false;
544                 udelay(100);
545         }
546
547         return true;
548 }
549
550 static void dce_v11_0_stop_mc_access(struct amdgpu_device *adev,
551                                      struct amdgpu_mode_mc_save *save)
552 {
553         u32 crtc_enabled, tmp;
554         int i;
555
556         save->vga_render_control = RREG32(mmVGA_RENDER_CONTROL);
557         save->vga_hdp_control = RREG32(mmVGA_HDP_CONTROL);
558
559         /* disable VGA render */
560         tmp = RREG32(mmVGA_RENDER_CONTROL);
561         tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
562         WREG32(mmVGA_RENDER_CONTROL, tmp);
563
564         /* blank the display controllers */
565         for (i = 0; i < adev->mode_info.num_crtc; i++) {
566                 crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]),
567                                              CRTC_CONTROL, CRTC_MASTER_EN);
568                 if (crtc_enabled) {
569 #if 0
570                         u32 frame_count;
571                         int j;
572
573                         save->crtc_enabled[i] = true;
574                         tmp = RREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i]);
575                         if (REG_GET_FIELD(tmp, CRTC_BLANK_CONTROL, CRTC_BLANK_DATA_EN) == 0) {
576                                 amdgpu_display_vblank_wait(adev, i);
577                                 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
578                                 tmp = REG_SET_FIELD(tmp, CRTC_BLANK_CONTROL, CRTC_BLANK_DATA_EN, 1);
579                                 WREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
580                                 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
581                         }
582                         /* wait for the next frame */
583                         frame_count = amdgpu_display_vblank_get_counter(adev, i);
584                         for (j = 0; j < adev->usec_timeout; j++) {
585                                 if (amdgpu_display_vblank_get_counter(adev, i) != frame_count)
586                                         break;
587                                 udelay(1);
588                         }
589                         tmp = RREG32(mmGRPH_UPDATE + crtc_offsets[i]);
590                         if (REG_GET_FIELD(tmp, GRPH_UPDATE, GRPH_UPDATE_LOCK) == 0) {
591                                 tmp = REG_SET_FIELD(tmp, GRPH_UPDATE, GRPH_UPDATE_LOCK, 1);
592                                 WREG32(mmGRPH_UPDATE + crtc_offsets[i], tmp);
593                         }
594                         tmp = RREG32(mmCRTC_MASTER_UPDATE_LOCK + crtc_offsets[i]);
595                         if (REG_GET_FIELD(tmp, CRTC_MASTER_UPDATE_LOCK, MASTER_UPDATE_LOCK) == 0) {
596                                 tmp = REG_SET_FIELD(tmp, CRTC_MASTER_UPDATE_LOCK, MASTER_UPDATE_LOCK, 1);
597                                 WREG32(mmCRTC_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
598                         }
599 #else
600                         /* XXX this is a hack to avoid strange behavior with EFI on certain systems */
601                         WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
602                         tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
603                         tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0);
604                         WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
605                         WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
606                         save->crtc_enabled[i] = false;
607                         /* ***** */
608 #endif
609                 } else {
610                         save->crtc_enabled[i] = false;
611                 }
612         }
613 }
614
615 static void dce_v11_0_resume_mc_access(struct amdgpu_device *adev,
616                                        struct amdgpu_mode_mc_save *save)
617 {
618         u32 tmp, frame_count;
619         int i, j;
620
621         /* update crtc base addresses */
622         for (i = 0; i < adev->mode_info.num_crtc; i++) {
623                 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i],
624                        upper_32_bits(adev->mc.vram_start));
625                 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i],
626                        upper_32_bits(adev->mc.vram_start));
627                 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + crtc_offsets[i],
628                        (u32)adev->mc.vram_start);
629                 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + crtc_offsets[i],
630                        (u32)adev->mc.vram_start);
631
632                 if (save->crtc_enabled[i]) {
633                         tmp = RREG32(mmCRTC_MASTER_UPDATE_MODE + crtc_offsets[i]);
634                         if (REG_GET_FIELD(tmp, CRTC_MASTER_UPDATE_MODE, MASTER_UPDATE_MODE) != 3) {
635                                 tmp = REG_SET_FIELD(tmp, CRTC_MASTER_UPDATE_MODE, MASTER_UPDATE_MODE, 3);
636                                 WREG32(mmCRTC_MASTER_UPDATE_MODE + crtc_offsets[i], tmp);
637                         }
638                         tmp = RREG32(mmGRPH_UPDATE + crtc_offsets[i]);
639                         if (REG_GET_FIELD(tmp, GRPH_UPDATE, GRPH_UPDATE_LOCK)) {
640                                 tmp = REG_SET_FIELD(tmp, GRPH_UPDATE, GRPH_UPDATE_LOCK, 0);
641                                 WREG32(mmGRPH_UPDATE + crtc_offsets[i], tmp);
642                         }
643                         tmp = RREG32(mmCRTC_MASTER_UPDATE_LOCK + crtc_offsets[i]);
644                         if (REG_GET_FIELD(tmp, CRTC_MASTER_UPDATE_LOCK, MASTER_UPDATE_LOCK)) {
645                                 tmp = REG_SET_FIELD(tmp, CRTC_MASTER_UPDATE_LOCK, MASTER_UPDATE_LOCK, 0);
646                                 WREG32(mmCRTC_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
647                         }
648                         for (j = 0; j < adev->usec_timeout; j++) {
649                                 tmp = RREG32(mmGRPH_UPDATE + crtc_offsets[i]);
650                                 if (REG_GET_FIELD(tmp, GRPH_UPDATE, GRPH_SURFACE_UPDATE_PENDING) == 0)
651                                         break;
652                                 udelay(1);
653                         }
654                         tmp = RREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i]);
655                         tmp = REG_SET_FIELD(tmp, CRTC_BLANK_CONTROL, CRTC_BLANK_DATA_EN, 0);
656                         WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
657                         WREG32(mmCRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
658                         WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
659                         /* wait for the next frame */
660                         frame_count = amdgpu_display_vblank_get_counter(adev, i);
661                         for (j = 0; j < adev->usec_timeout; j++) {
662                                 if (amdgpu_display_vblank_get_counter(adev, i) != frame_count)
663                                         break;
664                                 udelay(1);
665                         }
666                 }
667         }
668
669         WREG32(mmVGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(adev->mc.vram_start));
670         WREG32(mmVGA_MEMORY_BASE_ADDRESS, lower_32_bits(adev->mc.vram_start));
671
672         /* Unlock vga access */
673         WREG32(mmVGA_HDP_CONTROL, save->vga_hdp_control);
674         mdelay(1);
675         WREG32(mmVGA_RENDER_CONTROL, save->vga_render_control);
676 }
677
678 static void dce_v11_0_set_vga_render_state(struct amdgpu_device *adev,
679                                            bool render)
680 {
681         u32 tmp;
682
683         /* Lockout access through VGA aperture*/
684         tmp = RREG32(mmVGA_HDP_CONTROL);
685         if (render)
686                 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0);
687         else
688                 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
689         WREG32(mmVGA_HDP_CONTROL, tmp);
690
691         /* disable VGA render */
692         tmp = RREG32(mmVGA_RENDER_CONTROL);
693         if (render)
694                 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1);
695         else
696                 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
697         WREG32(mmVGA_RENDER_CONTROL, tmp);
698 }
699
700 static void dce_v11_0_program_fmt(struct drm_encoder *encoder)
701 {
702         struct drm_device *dev = encoder->dev;
703         struct amdgpu_device *adev = dev->dev_private;
704         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
705         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
706         struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
707         int bpc = 0;
708         u32 tmp = 0;
709         enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
710
711         if (connector) {
712                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
713                 bpc = amdgpu_connector_get_monitor_bpc(connector);
714                 dither = amdgpu_connector->dither;
715         }
716
717         /* LVDS/eDP FMT is set up by atom */
718         if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
719                 return;
720
721         /* not needed for analog */
722         if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
723             (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
724                 return;
725
726         if (bpc == 0)
727                 return;
728
729         switch (bpc) {
730         case 6:
731                 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
732                         /* XXX sort out optimal dither settings */
733                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
734                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
735                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
736                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 0);
737                 } else {
738                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
739                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 0);
740                 }
741                 break;
742         case 8:
743                 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
744                         /* XXX sort out optimal dither settings */
745                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
746                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
747                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
748                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
749                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 1);
750                 } else {
751                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
752                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 1);
753                 }
754                 break;
755         case 10:
756                 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
757                         /* XXX sort out optimal dither settings */
758                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
759                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
760                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
761                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
762                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 2);
763                 } else {
764                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
765                         tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 2);
766                 }
767                 break;
768         default:
769                 /* not needed */
770                 break;
771         }
772
773         WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
774 }
775
776
777 /* display watermark setup */
778 /**
779  * dce_v11_0_line_buffer_adjust - Set up the line buffer
780  *
781  * @adev: amdgpu_device pointer
782  * @amdgpu_crtc: the selected display controller
783  * @mode: the current display mode on the selected display
784  * controller
785  *
786  * Setup up the line buffer allocation for
787  * the selected display controller (CIK).
788  * Returns the line buffer size in pixels.
789  */
790 static u32 dce_v11_0_line_buffer_adjust(struct amdgpu_device *adev,
791                                        struct amdgpu_crtc *amdgpu_crtc,
792                                        struct drm_display_mode *mode)
793 {
794         u32 tmp, buffer_alloc, i, mem_cfg;
795         u32 pipe_offset = amdgpu_crtc->crtc_id;
796         /*
797          * Line Buffer Setup
798          * There are 6 line buffers, one for each display controllers.
799          * There are 3 partitions per LB. Select the number of partitions
800          * to enable based on the display width.  For display widths larger
801          * than 4096, you need use to use 2 display controllers and combine
802          * them using the stereo blender.
803          */
804         if (amdgpu_crtc->base.enabled && mode) {
805                 if (mode->crtc_hdisplay < 1920) {
806                         mem_cfg = 1;
807                         buffer_alloc = 2;
808                 } else if (mode->crtc_hdisplay < 2560) {
809                         mem_cfg = 2;
810                         buffer_alloc = 2;
811                 } else if (mode->crtc_hdisplay < 4096) {
812                         mem_cfg = 0;
813                         buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
814                 } else {
815                         DRM_DEBUG_KMS("Mode too big for LB!\n");
816                         mem_cfg = 0;
817                         buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
818                 }
819         } else {
820                 mem_cfg = 1;
821                 buffer_alloc = 0;
822         }
823
824         tmp = RREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset);
825         tmp = REG_SET_FIELD(tmp, LB_MEMORY_CTRL, LB_MEMORY_CONFIG, mem_cfg);
826         WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset, tmp);
827
828         tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
829         tmp = REG_SET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATED, buffer_alloc);
830         WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset, tmp);
831
832         for (i = 0; i < adev->usec_timeout; i++) {
833                 tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
834                 if (REG_GET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATION_COMPLETED))
835                         break;
836                 udelay(1);
837         }
838
839         if (amdgpu_crtc->base.enabled && mode) {
840                 switch (mem_cfg) {
841                 case 0:
842                 default:
843                         return 4096 * 2;
844                 case 1:
845                         return 1920 * 2;
846                 case 2:
847                         return 2560 * 2;
848                 }
849         }
850
851         /* controller not enabled, so no lb used */
852         return 0;
853 }
854
855 /**
856  * cik_get_number_of_dram_channels - get the number of dram channels
857  *
858  * @adev: amdgpu_device pointer
859  *
860  * Look up the number of video ram channels (CIK).
861  * Used for display watermark bandwidth calculations
862  * Returns the number of dram channels
863  */
864 static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev)
865 {
866         u32 tmp = RREG32(mmMC_SHARED_CHMAP);
867
868         switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
869         case 0:
870         default:
871                 return 1;
872         case 1:
873                 return 2;
874         case 2:
875                 return 4;
876         case 3:
877                 return 8;
878         case 4:
879                 return 3;
880         case 5:
881                 return 6;
882         case 6:
883                 return 10;
884         case 7:
885                 return 12;
886         case 8:
887                 return 16;
888         }
889 }
890
891 struct dce10_wm_params {
892         u32 dram_channels; /* number of dram channels */
893         u32 yclk;          /* bandwidth per dram data pin in kHz */
894         u32 sclk;          /* engine clock in kHz */
895         u32 disp_clk;      /* display clock in kHz */
896         u32 src_width;     /* viewport width */
897         u32 active_time;   /* active display time in ns */
898         u32 blank_time;    /* blank time in ns */
899         bool interlaced;    /* mode is interlaced */
900         fixed20_12 vsc;    /* vertical scale ratio */
901         u32 num_heads;     /* number of active crtcs */
902         u32 bytes_per_pixel; /* bytes per pixel display + overlay */
903         u32 lb_size;       /* line buffer allocated to pipe */
904         u32 vtaps;         /* vertical scaler taps */
905 };
906
907 /**
908  * dce_v11_0_dram_bandwidth - get the dram bandwidth
909  *
910  * @wm: watermark calculation data
911  *
912  * Calculate the raw dram bandwidth (CIK).
913  * Used for display watermark bandwidth calculations
914  * Returns the dram bandwidth in MBytes/s
915  */
916 static u32 dce_v11_0_dram_bandwidth(struct dce10_wm_params *wm)
917 {
918         /* Calculate raw DRAM Bandwidth */
919         fixed20_12 dram_efficiency; /* 0.7 */
920         fixed20_12 yclk, dram_channels, bandwidth;
921         fixed20_12 a;
922
923         a.full = dfixed_const(1000);
924         yclk.full = dfixed_const(wm->yclk);
925         yclk.full = dfixed_div(yclk, a);
926         dram_channels.full = dfixed_const(wm->dram_channels * 4);
927         a.full = dfixed_const(10);
928         dram_efficiency.full = dfixed_const(7);
929         dram_efficiency.full = dfixed_div(dram_efficiency, a);
930         bandwidth.full = dfixed_mul(dram_channels, yclk);
931         bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
932
933         return dfixed_trunc(bandwidth);
934 }
935
936 /**
937  * dce_v11_0_dram_bandwidth_for_display - get the dram bandwidth for display
938  *
939  * @wm: watermark calculation data
940  *
941  * Calculate the dram bandwidth used for display (CIK).
942  * Used for display watermark bandwidth calculations
943  * Returns the dram bandwidth for display in MBytes/s
944  */
945 static u32 dce_v11_0_dram_bandwidth_for_display(struct dce10_wm_params *wm)
946 {
947         /* Calculate DRAM Bandwidth and the part allocated to display. */
948         fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
949         fixed20_12 yclk, dram_channels, bandwidth;
950         fixed20_12 a;
951
952         a.full = dfixed_const(1000);
953         yclk.full = dfixed_const(wm->yclk);
954         yclk.full = dfixed_div(yclk, a);
955         dram_channels.full = dfixed_const(wm->dram_channels * 4);
956         a.full = dfixed_const(10);
957         disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
958         disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
959         bandwidth.full = dfixed_mul(dram_channels, yclk);
960         bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
961
962         return dfixed_trunc(bandwidth);
963 }
964
965 /**
966  * dce_v11_0_data_return_bandwidth - get the data return bandwidth
967  *
968  * @wm: watermark calculation data
969  *
970  * Calculate the data return bandwidth used for display (CIK).
971  * Used for display watermark bandwidth calculations
972  * Returns the data return bandwidth in MBytes/s
973  */
974 static u32 dce_v11_0_data_return_bandwidth(struct dce10_wm_params *wm)
975 {
976         /* Calculate the display Data return Bandwidth */
977         fixed20_12 return_efficiency; /* 0.8 */
978         fixed20_12 sclk, bandwidth;
979         fixed20_12 a;
980
981         a.full = dfixed_const(1000);
982         sclk.full = dfixed_const(wm->sclk);
983         sclk.full = dfixed_div(sclk, a);
984         a.full = dfixed_const(10);
985         return_efficiency.full = dfixed_const(8);
986         return_efficiency.full = dfixed_div(return_efficiency, a);
987         a.full = dfixed_const(32);
988         bandwidth.full = dfixed_mul(a, sclk);
989         bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
990
991         return dfixed_trunc(bandwidth);
992 }
993
994 /**
995  * dce_v11_0_dmif_request_bandwidth - get the dmif bandwidth
996  *
997  * @wm: watermark calculation data
998  *
999  * Calculate the dmif bandwidth used for display (CIK).
1000  * Used for display watermark bandwidth calculations
1001  * Returns the dmif bandwidth in MBytes/s
1002  */
1003 static u32 dce_v11_0_dmif_request_bandwidth(struct dce10_wm_params *wm)
1004 {
1005         /* Calculate the DMIF Request Bandwidth */
1006         fixed20_12 disp_clk_request_efficiency; /* 0.8 */
1007         fixed20_12 disp_clk, bandwidth;
1008         fixed20_12 a, b;
1009
1010         a.full = dfixed_const(1000);
1011         disp_clk.full = dfixed_const(wm->disp_clk);
1012         disp_clk.full = dfixed_div(disp_clk, a);
1013         a.full = dfixed_const(32);
1014         b.full = dfixed_mul(a, disp_clk);
1015
1016         a.full = dfixed_const(10);
1017         disp_clk_request_efficiency.full = dfixed_const(8);
1018         disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
1019
1020         bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
1021
1022         return dfixed_trunc(bandwidth);
1023 }
1024
1025 /**
1026  * dce_v11_0_available_bandwidth - get the min available bandwidth
1027  *
1028  * @wm: watermark calculation data
1029  *
1030  * Calculate the min available bandwidth used for display (CIK).
1031  * Used for display watermark bandwidth calculations
1032  * Returns the min available bandwidth in MBytes/s
1033  */
1034 static u32 dce_v11_0_available_bandwidth(struct dce10_wm_params *wm)
1035 {
1036         /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
1037         u32 dram_bandwidth = dce_v11_0_dram_bandwidth(wm);
1038         u32 data_return_bandwidth = dce_v11_0_data_return_bandwidth(wm);
1039         u32 dmif_req_bandwidth = dce_v11_0_dmif_request_bandwidth(wm);
1040
1041         return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
1042 }
1043
1044 /**
1045  * dce_v11_0_average_bandwidth - get the average available bandwidth
1046  *
1047  * @wm: watermark calculation data
1048  *
1049  * Calculate the average available bandwidth used for display (CIK).
1050  * Used for display watermark bandwidth calculations
1051  * Returns the average available bandwidth in MBytes/s
1052  */
1053 static u32 dce_v11_0_average_bandwidth(struct dce10_wm_params *wm)
1054 {
1055         /* Calculate the display mode Average Bandwidth
1056          * DisplayMode should contain the source and destination dimensions,
1057          * timing, etc.
1058          */
1059         fixed20_12 bpp;
1060         fixed20_12 line_time;
1061         fixed20_12 src_width;
1062         fixed20_12 bandwidth;
1063         fixed20_12 a;
1064
1065         a.full = dfixed_const(1000);
1066         line_time.full = dfixed_const(wm->active_time + wm->blank_time);
1067         line_time.full = dfixed_div(line_time, a);
1068         bpp.full = dfixed_const(wm->bytes_per_pixel);
1069         src_width.full = dfixed_const(wm->src_width);
1070         bandwidth.full = dfixed_mul(src_width, bpp);
1071         bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
1072         bandwidth.full = dfixed_div(bandwidth, line_time);
1073
1074         return dfixed_trunc(bandwidth);
1075 }
1076
1077 /**
1078  * dce_v11_0_latency_watermark - get the latency watermark
1079  *
1080  * @wm: watermark calculation data
1081  *
1082  * Calculate the latency watermark (CIK).
1083  * Used for display watermark bandwidth calculations
1084  * Returns the latency watermark in ns
1085  */
1086 static u32 dce_v11_0_latency_watermark(struct dce10_wm_params *wm)
1087 {
1088         /* First calculate the latency in ns */
1089         u32 mc_latency = 2000; /* 2000 ns. */
1090         u32 available_bandwidth = dce_v11_0_available_bandwidth(wm);
1091         u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
1092         u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
1093         u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
1094         u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
1095                 (wm->num_heads * cursor_line_pair_return_time);
1096         u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
1097         u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
1098         u32 tmp, dmif_size = 12288;
1099         fixed20_12 a, b, c;
1100
1101         if (wm->num_heads == 0)
1102                 return 0;
1103
1104         a.full = dfixed_const(2);
1105         b.full = dfixed_const(1);
1106         if ((wm->vsc.full > a.full) ||
1107             ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
1108             (wm->vtaps >= 5) ||
1109             ((wm->vsc.full >= a.full) && wm->interlaced))
1110                 max_src_lines_per_dst_line = 4;
1111         else
1112                 max_src_lines_per_dst_line = 2;
1113
1114         a.full = dfixed_const(available_bandwidth);
1115         b.full = dfixed_const(wm->num_heads);
1116         a.full = dfixed_div(a, b);
1117
1118         b.full = dfixed_const(mc_latency + 512);
1119         c.full = dfixed_const(wm->disp_clk);
1120         b.full = dfixed_div(b, c);
1121
1122         c.full = dfixed_const(dmif_size);
1123         b.full = dfixed_div(c, b);
1124
1125         tmp = min(dfixed_trunc(a), dfixed_trunc(b));
1126
1127         b.full = dfixed_const(1000);
1128         c.full = dfixed_const(wm->disp_clk);
1129         b.full = dfixed_div(c, b);
1130         c.full = dfixed_const(wm->bytes_per_pixel);
1131         b.full = dfixed_mul(b, c);
1132
1133         lb_fill_bw = min(tmp, dfixed_trunc(b));
1134
1135         a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
1136         b.full = dfixed_const(1000);
1137         c.full = dfixed_const(lb_fill_bw);
1138         b.full = dfixed_div(c, b);
1139         a.full = dfixed_div(a, b);
1140         line_fill_time = dfixed_trunc(a);
1141
1142         if (line_fill_time < wm->active_time)
1143                 return latency;
1144         else
1145                 return latency + (line_fill_time - wm->active_time);
1146
1147 }
1148
1149 /**
1150  * dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display - check
1151  * average and available dram bandwidth
1152  *
1153  * @wm: watermark calculation data
1154  *
1155  * Check if the display average bandwidth fits in the display
1156  * dram bandwidth (CIK).
1157  * Used for display watermark bandwidth calculations
1158  * Returns true if the display fits, false if not.
1159  */
1160 static bool dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce10_wm_params *wm)
1161 {
1162         if (dce_v11_0_average_bandwidth(wm) <=
1163             (dce_v11_0_dram_bandwidth_for_display(wm) / wm->num_heads))
1164                 return true;
1165         else
1166                 return false;
1167 }
1168
1169 /**
1170  * dce_v11_0_average_bandwidth_vs_available_bandwidth - check
1171  * average and available bandwidth
1172  *
1173  * @wm: watermark calculation data
1174  *
1175  * Check if the display average bandwidth fits in the display
1176  * available bandwidth (CIK).
1177  * Used for display watermark bandwidth calculations
1178  * Returns true if the display fits, false if not.
1179  */
1180 static bool dce_v11_0_average_bandwidth_vs_available_bandwidth(struct dce10_wm_params *wm)
1181 {
1182         if (dce_v11_0_average_bandwidth(wm) <=
1183             (dce_v11_0_available_bandwidth(wm) / wm->num_heads))
1184                 return true;
1185         else
1186                 return false;
1187 }
1188
1189 /**
1190  * dce_v11_0_check_latency_hiding - check latency hiding
1191  *
1192  * @wm: watermark calculation data
1193  *
1194  * Check latency hiding (CIK).
1195  * Used for display watermark bandwidth calculations
1196  * Returns true if the display fits, false if not.
1197  */
1198 static bool dce_v11_0_check_latency_hiding(struct dce10_wm_params *wm)
1199 {
1200         u32 lb_partitions = wm->lb_size / wm->src_width;
1201         u32 line_time = wm->active_time + wm->blank_time;
1202         u32 latency_tolerant_lines;
1203         u32 latency_hiding;
1204         fixed20_12 a;
1205
1206         a.full = dfixed_const(1);
1207         if (wm->vsc.full > a.full)
1208                 latency_tolerant_lines = 1;
1209         else {
1210                 if (lb_partitions <= (wm->vtaps + 1))
1211                         latency_tolerant_lines = 1;
1212                 else
1213                         latency_tolerant_lines = 2;
1214         }
1215
1216         latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
1217
1218         if (dce_v11_0_latency_watermark(wm) <= latency_hiding)
1219                 return true;
1220         else
1221                 return false;
1222 }
1223
1224 /**
1225  * dce_v11_0_program_watermarks - program display watermarks
1226  *
1227  * @adev: amdgpu_device pointer
1228  * @amdgpu_crtc: the selected display controller
1229  * @lb_size: line buffer size
1230  * @num_heads: number of display controllers in use
1231  *
1232  * Calculate and program the display watermarks for the
1233  * selected display controller (CIK).
1234  */
1235 static void dce_v11_0_program_watermarks(struct amdgpu_device *adev,
1236                                         struct amdgpu_crtc *amdgpu_crtc,
1237                                         u32 lb_size, u32 num_heads)
1238 {
1239         struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
1240         struct dce10_wm_params wm_low, wm_high;
1241         u32 pixel_period;
1242         u32 line_time = 0;
1243         u32 latency_watermark_a = 0, latency_watermark_b = 0;
1244         u32 tmp, wm_mask, lb_vblank_lead_lines = 0;
1245
1246         if (amdgpu_crtc->base.enabled && num_heads && mode) {
1247                 pixel_period = 1000000 / (u32)mode->clock;
1248                 line_time = min((u32)mode->crtc_htotal * pixel_period, (u32)65535);
1249
1250                 /* watermark for high clocks */
1251                 if (adev->pm.dpm_enabled) {
1252                         wm_high.yclk =
1253                                 amdgpu_dpm_get_mclk(adev, false) * 10;
1254                         wm_high.sclk =
1255                                 amdgpu_dpm_get_sclk(adev, false) * 10;
1256                 } else {
1257                         wm_high.yclk = adev->pm.current_mclk * 10;
1258                         wm_high.sclk = adev->pm.current_sclk * 10;
1259                 }
1260
1261                 wm_high.disp_clk = mode->clock;
1262                 wm_high.src_width = mode->crtc_hdisplay;
1263                 wm_high.active_time = mode->crtc_hdisplay * pixel_period;
1264                 wm_high.blank_time = line_time - wm_high.active_time;
1265                 wm_high.interlaced = false;
1266                 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1267                         wm_high.interlaced = true;
1268                 wm_high.vsc = amdgpu_crtc->vsc;
1269                 wm_high.vtaps = 1;
1270                 if (amdgpu_crtc->rmx_type != RMX_OFF)
1271                         wm_high.vtaps = 2;
1272                 wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
1273                 wm_high.lb_size = lb_size;
1274                 wm_high.dram_channels = cik_get_number_of_dram_channels(adev);
1275                 wm_high.num_heads = num_heads;
1276
1277                 /* set for high clocks */
1278                 latency_watermark_a = min(dce_v11_0_latency_watermark(&wm_high), (u32)65535);
1279
1280                 /* possibly force display priority to high */
1281                 /* should really do this at mode validation time... */
1282                 if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
1283                     !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
1284                     !dce_v11_0_check_latency_hiding(&wm_high) ||
1285                     (adev->mode_info.disp_priority == 2)) {
1286                         DRM_DEBUG_KMS("force priority to high\n");
1287                 }
1288
1289                 /* watermark for low clocks */
1290                 if (adev->pm.dpm_enabled) {
1291                         wm_low.yclk =
1292                                 amdgpu_dpm_get_mclk(adev, true) * 10;
1293                         wm_low.sclk =
1294                                 amdgpu_dpm_get_sclk(adev, true) * 10;
1295                 } else {
1296                         wm_low.yclk = adev->pm.current_mclk * 10;
1297                         wm_low.sclk = adev->pm.current_sclk * 10;
1298                 }
1299
1300                 wm_low.disp_clk = mode->clock;
1301                 wm_low.src_width = mode->crtc_hdisplay;
1302                 wm_low.active_time = mode->crtc_hdisplay * pixel_period;
1303                 wm_low.blank_time = line_time - wm_low.active_time;
1304                 wm_low.interlaced = false;
1305                 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1306                         wm_low.interlaced = true;
1307                 wm_low.vsc = amdgpu_crtc->vsc;
1308                 wm_low.vtaps = 1;
1309                 if (amdgpu_crtc->rmx_type != RMX_OFF)
1310                         wm_low.vtaps = 2;
1311                 wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
1312                 wm_low.lb_size = lb_size;
1313                 wm_low.dram_channels = cik_get_number_of_dram_channels(adev);
1314                 wm_low.num_heads = num_heads;
1315
1316                 /* set for low clocks */
1317                 latency_watermark_b = min(dce_v11_0_latency_watermark(&wm_low), (u32)65535);
1318
1319                 /* possibly force display priority to high */
1320                 /* should really do this at mode validation time... */
1321                 if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
1322                     !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
1323                     !dce_v11_0_check_latency_hiding(&wm_low) ||
1324                     (adev->mode_info.disp_priority == 2)) {
1325                         DRM_DEBUG_KMS("force priority to high\n");
1326                 }
1327                 lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
1328         }
1329
1330         /* select wm A */
1331         wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset);
1332         tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 1);
1333         WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1334         tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1335         tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_a);
1336         tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1337         WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1338         /* select wm B */
1339         tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 2);
1340         WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1341         tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1342         tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_b);
1343         tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1344         WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1345         /* restore original selection */
1346         WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask);
1347
1348         /* save values for DPM */
1349         amdgpu_crtc->line_time = line_time;
1350         amdgpu_crtc->wm_high = latency_watermark_a;
1351         amdgpu_crtc->wm_low = latency_watermark_b;
1352         /* Save number of lines the linebuffer leads before the scanout */
1353         amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
1354 }
1355
1356 /**
1357  * dce_v11_0_bandwidth_update - program display watermarks
1358  *
1359  * @adev: amdgpu_device pointer
1360  *
1361  * Calculate and program the display watermarks and line
1362  * buffer allocation (CIK).
1363  */
1364 static void dce_v11_0_bandwidth_update(struct amdgpu_device *adev)
1365 {
1366         struct drm_display_mode *mode = NULL;
1367         u32 num_heads = 0, lb_size;
1368         int i;
1369
1370         amdgpu_update_display_priority(adev);
1371
1372         for (i = 0; i < adev->mode_info.num_crtc; i++) {
1373                 if (adev->mode_info.crtcs[i]->base.enabled)
1374                         num_heads++;
1375         }
1376         for (i = 0; i < adev->mode_info.num_crtc; i++) {
1377                 mode = &adev->mode_info.crtcs[i]->base.mode;
1378                 lb_size = dce_v11_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode);
1379                 dce_v11_0_program_watermarks(adev, adev->mode_info.crtcs[i],
1380                                             lb_size, num_heads);
1381         }
1382 }
1383
1384 static void dce_v11_0_audio_get_connected_pins(struct amdgpu_device *adev)
1385 {
1386         int i;
1387         u32 offset, tmp;
1388
1389         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1390                 offset = adev->mode_info.audio.pin[i].offset;
1391                 tmp = RREG32_AUDIO_ENDPT(offset,
1392                                          ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1393                 if (((tmp &
1394                 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >>
1395                 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1)
1396                         adev->mode_info.audio.pin[i].connected = false;
1397                 else
1398                         adev->mode_info.audio.pin[i].connected = true;
1399         }
1400 }
1401
1402 static struct amdgpu_audio_pin *dce_v11_0_audio_get_pin(struct amdgpu_device *adev)
1403 {
1404         int i;
1405
1406         dce_v11_0_audio_get_connected_pins(adev);
1407
1408         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1409                 if (adev->mode_info.audio.pin[i].connected)
1410                         return &adev->mode_info.audio.pin[i];
1411         }
1412         DRM_ERROR("No connected audio pins found!\n");
1413         return NULL;
1414 }
1415
1416 static void dce_v11_0_afmt_audio_select_pin(struct drm_encoder *encoder)
1417 {
1418         struct amdgpu_device *adev = encoder->dev->dev_private;
1419         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1420         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1421         u32 tmp;
1422
1423         if (!dig || !dig->afmt || !dig->afmt->pin)
1424                 return;
1425
1426         tmp = RREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset);
1427         tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT, dig->afmt->pin->id);
1428         WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, tmp);
1429 }
1430
1431 static void dce_v11_0_audio_write_latency_fields(struct drm_encoder *encoder,
1432                                                 struct drm_display_mode *mode)
1433 {
1434         struct amdgpu_device *adev = encoder->dev->dev_private;
1435         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1436         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1437         struct drm_connector *connector;
1438         struct amdgpu_connector *amdgpu_connector = NULL;
1439         u32 tmp;
1440         int interlace = 0;
1441
1442         if (!dig || !dig->afmt || !dig->afmt->pin)
1443                 return;
1444
1445         list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1446                 if (connector->encoder == encoder) {
1447                         amdgpu_connector = to_amdgpu_connector(connector);
1448                         break;
1449                 }
1450         }
1451
1452         if (!amdgpu_connector) {
1453                 DRM_ERROR("Couldn't find encoder's connector\n");
1454                 return;
1455         }
1456
1457         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1458                 interlace = 1;
1459         if (connector->latency_present[interlace]) {
1460                 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1461                                     VIDEO_LIPSYNC, connector->video_latency[interlace]);
1462                 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1463                                     AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1464         } else {
1465                 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1466                                     VIDEO_LIPSYNC, 0);
1467                 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1468                                     AUDIO_LIPSYNC, 0);
1469         }
1470         WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1471                            ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1472 }
1473
1474 static void dce_v11_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1475 {
1476         struct amdgpu_device *adev = encoder->dev->dev_private;
1477         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1478         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1479         struct drm_connector *connector;
1480         struct amdgpu_connector *amdgpu_connector = NULL;
1481         u32 tmp;
1482         u8 *sadb = NULL;
1483         int sad_count;
1484
1485         if (!dig || !dig->afmt || !dig->afmt->pin)
1486                 return;
1487
1488         list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1489                 if (connector->encoder == encoder) {
1490                         amdgpu_connector = to_amdgpu_connector(connector);
1491                         break;
1492                 }
1493         }
1494
1495         if (!amdgpu_connector) {
1496                 DRM_ERROR("Couldn't find encoder's connector\n");
1497                 return;
1498         }
1499
1500         sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
1501         if (sad_count < 0) {
1502                 DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1503                 sad_count = 0;
1504         }
1505
1506         /* program the speaker allocation */
1507         tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1508                                  ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1509         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1510                             DP_CONNECTION, 0);
1511         /* set HDMI mode */
1512         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1513                             HDMI_CONNECTION, 1);
1514         if (sad_count)
1515                 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1516                                     SPEAKER_ALLOCATION, sadb[0]);
1517         else
1518                 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1519                                     SPEAKER_ALLOCATION, 5); /* stereo */
1520         WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1521                            ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1522
1523         kfree(sadb);
1524 }
1525
1526 static void dce_v11_0_audio_write_sad_regs(struct drm_encoder *encoder)
1527 {
1528         struct amdgpu_device *adev = encoder->dev->dev_private;
1529         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1530         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1531         struct drm_connector *connector;
1532         struct amdgpu_connector *amdgpu_connector = NULL;
1533         struct cea_sad *sads;
1534         int i, sad_count;
1535
1536         static const u16 eld_reg_to_type[][2] = {
1537                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1538                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1539                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1540                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1541                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1542                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1543                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1544                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1545                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1546                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1547                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1548                 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1549         };
1550
1551         if (!dig || !dig->afmt || !dig->afmt->pin)
1552                 return;
1553
1554         list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1555                 if (connector->encoder == encoder) {
1556                         amdgpu_connector = to_amdgpu_connector(connector);
1557                         break;
1558                 }
1559         }
1560
1561         if (!amdgpu_connector) {
1562                 DRM_ERROR("Couldn't find encoder's connector\n");
1563                 return;
1564         }
1565
1566         sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
1567         if (sad_count <= 0) {
1568                 DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1569                 return;
1570         }
1571         BUG_ON(!sads);
1572
1573         for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1574                 u32 tmp = 0;
1575                 u8 stereo_freqs = 0;
1576                 int max_channels = -1;
1577                 int j;
1578
1579                 for (j = 0; j < sad_count; j++) {
1580                         struct cea_sad *sad = &sads[j];
1581
1582                         if (sad->format == eld_reg_to_type[i][1]) {
1583                                 if (sad->channels > max_channels) {
1584                                         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1585                                                             MAX_CHANNELS, sad->channels);
1586                                         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1587                                                             DESCRIPTOR_BYTE_2, sad->byte2);
1588                                         tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1589                                                             SUPPORTED_FREQUENCIES, sad->freq);
1590                                         max_channels = sad->channels;
1591                                 }
1592
1593                                 if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1594                                         stereo_freqs |= sad->freq;
1595                                 else
1596                                         break;
1597                         }
1598                 }
1599
1600                 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1601                                     SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1602                 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1603         }
1604
1605         kfree(sads);
1606 }
1607
1608 static void dce_v11_0_audio_enable(struct amdgpu_device *adev,
1609                                   struct amdgpu_audio_pin *pin,
1610                                   bool enable)
1611 {
1612         if (!pin)
1613                 return;
1614
1615         WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1616                            enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1617 }
1618
1619 static const u32 pin_offsets[] =
1620 {
1621         AUD0_REGISTER_OFFSET,
1622         AUD1_REGISTER_OFFSET,
1623         AUD2_REGISTER_OFFSET,
1624         AUD3_REGISTER_OFFSET,
1625         AUD4_REGISTER_OFFSET,
1626         AUD5_REGISTER_OFFSET,
1627         AUD6_REGISTER_OFFSET,
1628 };
1629
1630 static int dce_v11_0_audio_init(struct amdgpu_device *adev)
1631 {
1632         int i;
1633
1634         if (!amdgpu_audio)
1635                 return 0;
1636
1637         adev->mode_info.audio.enabled = true;
1638
1639         adev->mode_info.audio.num_pins = 7;
1640
1641         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1642                 adev->mode_info.audio.pin[i].channels = -1;
1643                 adev->mode_info.audio.pin[i].rate = -1;
1644                 adev->mode_info.audio.pin[i].bits_per_sample = -1;
1645                 adev->mode_info.audio.pin[i].status_bits = 0;
1646                 adev->mode_info.audio.pin[i].category_code = 0;
1647                 adev->mode_info.audio.pin[i].connected = false;
1648                 adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1649                 adev->mode_info.audio.pin[i].id = i;
1650                 /* disable audio.  it will be set up later */
1651                 /* XXX remove once we switch to ip funcs */
1652                 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1653         }
1654
1655         return 0;
1656 }
1657
1658 static void dce_v11_0_audio_fini(struct amdgpu_device *adev)
1659 {
1660         int i;
1661
1662         if (!adev->mode_info.audio.enabled)
1663                 return;
1664
1665         for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1666                 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1667
1668         adev->mode_info.audio.enabled = false;
1669 }
1670
1671 /*
1672  * update the N and CTS parameters for a given pixel clock rate
1673  */
1674 static void dce_v11_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock)
1675 {
1676         struct drm_device *dev = encoder->dev;
1677         struct amdgpu_device *adev = dev->dev_private;
1678         struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1679         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1680         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1681         u32 tmp;
1682
1683         tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1684         tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1685         WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1686         tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1687         tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1688         WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1689
1690         tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1691         tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1692         WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1693         tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1694         tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1695         WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1696
1697         tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1698         tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1699         WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1700         tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1701         tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1702         WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1703
1704 }
1705
1706 /*
1707  * build a HDMI Video Info Frame
1708  */
1709 static void dce_v11_0_afmt_update_avi_infoframe(struct drm_encoder *encoder,
1710                                                void *buffer, size_t size)
1711 {
1712         struct drm_device *dev = encoder->dev;
1713         struct amdgpu_device *adev = dev->dev_private;
1714         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1715         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1716         uint8_t *frame = buffer + 3;
1717         uint8_t *header = buffer;
1718
1719         WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1720                 frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
1721         WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1722                 frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
1723         WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1724                 frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
1725         WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1726                 frame[0xC] | (frame[0xD] << 8) | (header[1] << 24));
1727 }
1728
1729 static void dce_v11_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1730 {
1731         struct drm_device *dev = encoder->dev;
1732         struct amdgpu_device *adev = dev->dev_private;
1733         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1734         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1735         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1736         u32 dto_phase = 24 * 1000;
1737         u32 dto_modulo = clock;
1738         u32 tmp;
1739
1740         if (!dig || !dig->afmt)
1741                 return;
1742
1743         /* XXX two dtos; generally use dto0 for hdmi */
1744         /* Express [24MHz / target pixel clock] as an exact rational
1745          * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
1746          * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1747          */
1748         tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1749         tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL,
1750                             amdgpu_crtc->crtc_id);
1751         WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1752         WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase);
1753         WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo);
1754 }
1755
1756 /*
1757  * update the info frames with the data from the current display mode
1758  */
1759 static void dce_v11_0_afmt_setmode(struct drm_encoder *encoder,
1760                                   struct drm_display_mode *mode)
1761 {
1762         struct drm_device *dev = encoder->dev;
1763         struct amdgpu_device *adev = dev->dev_private;
1764         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1765         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1766         struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1767         u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1768         struct hdmi_avi_infoframe frame;
1769         ssize_t err;
1770         u32 tmp;
1771         int bpc = 8;
1772
1773         if (!dig || !dig->afmt)
1774                 return;
1775
1776         /* Silent, r600_hdmi_enable will raise WARN for us */
1777         if (!dig->afmt->enabled)
1778                 return;
1779
1780         /* hdmi deep color mode general control packets setup, if bpc > 8 */
1781         if (encoder->crtc) {
1782                 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1783                 bpc = amdgpu_crtc->bpc;
1784         }
1785
1786         /* disable audio prior to setting up hw */
1787         dig->afmt->pin = dce_v11_0_audio_get_pin(adev);
1788         dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1789
1790         dce_v11_0_audio_set_dto(encoder, mode->clock);
1791
1792         tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1793         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1794         WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); /* send null packets when required */
1795
1796         WREG32(mmAFMT_AUDIO_CRC_CONTROL + dig->afmt->offset, 0x1000);
1797
1798         tmp = RREG32(mmHDMI_CONTROL + dig->afmt->offset);
1799         switch (bpc) {
1800         case 0:
1801         case 6:
1802         case 8:
1803         case 16:
1804         default:
1805                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 0);
1806                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0);
1807                 DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n",
1808                           connector->name, bpc);
1809                 break;
1810         case 10:
1811                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1812                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 1);
1813                 DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n",
1814                           connector->name);
1815                 break;
1816         case 12:
1817                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1818                 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 2);
1819                 DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n",
1820                           connector->name);
1821                 break;
1822         }
1823         WREG32(mmHDMI_CONTROL + dig->afmt->offset, tmp);
1824
1825         tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1826         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); /* send null packets when required */
1827         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1); /* send general control packets */
1828         tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1); /* send general control packets every frame */
1829         WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1830
1831         tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1832         /* enable audio info frames (frames won't be set until audio is enabled) */
1833         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1834         /* required for audio info values to be updated */
1835         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1836         WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1837
1838         tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1839         /* required for audio info values to be updated */
1840         tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1841         WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1842
1843         tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1844         /* anything other than 0 */
1845         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE, 2);
1846         WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1847
1848         WREG32(mmHDMI_GC + dig->afmt->offset, 0); /* unset HDMI_GC_AVMUTE */
1849
1850         tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1851         /* set the default audio delay */
1852         tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1853         /* should be suffient for all audio modes and small enough for all hblanks */
1854         tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1855         WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1856
1857         tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1858         /* allow 60958 channel status fields to be updated */
1859         tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1860         WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1861
1862         tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1863         if (bpc > 8)
1864                 /* clear SW CTS value */
1865                 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 0);
1866         else
1867                 /* select SW CTS value */
1868                 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 1);
1869         /* allow hw to sent ACR packets when required */
1870         tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1871         WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1872
1873         dce_v11_0_afmt_update_ACR(encoder, mode->clock);
1874
1875         tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1876         tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1877         WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1878
1879         tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1880         tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1881         WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1882
1883         tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1884         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1885         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1886         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1887         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1888         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1889         tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1890         WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1891
1892         dce_v11_0_audio_write_speaker_allocation(encoder);
1893
1894         WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset,
1895                (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT));
1896
1897         dce_v11_0_afmt_audio_select_pin(encoder);
1898         dce_v11_0_audio_write_sad_regs(encoder);
1899         dce_v11_0_audio_write_latency_fields(encoder, mode);
1900
1901         err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode);
1902         if (err < 0) {
1903                 DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1904                 return;
1905         }
1906
1907         err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1908         if (err < 0) {
1909                 DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1910                 return;
1911         }
1912
1913         dce_v11_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer));
1914
1915         tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1916         /* enable AVI info frames */
1917         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1918         /* required for audio info values to be updated */
1919         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1920         WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1921
1922         tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1923         tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1924         WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1925
1926         tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1927         /* send audio packets */
1928         tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1929         WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1930
1931         WREG32(mmAFMT_RAMP_CONTROL0 + dig->afmt->offset, 0x00FFFFFF);
1932         WREG32(mmAFMT_RAMP_CONTROL1 + dig->afmt->offset, 0x007FFFFF);
1933         WREG32(mmAFMT_RAMP_CONTROL2 + dig->afmt->offset, 0x00000001);
1934         WREG32(mmAFMT_RAMP_CONTROL3 + dig->afmt->offset, 0x00000001);
1935
1936         /* enable audio after to setting up hw */
1937         dce_v11_0_audio_enable(adev, dig->afmt->pin, true);
1938 }
1939
1940 static void dce_v11_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1941 {
1942         struct drm_device *dev = encoder->dev;
1943         struct amdgpu_device *adev = dev->dev_private;
1944         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1945         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1946
1947         if (!dig || !dig->afmt)
1948                 return;
1949
1950         /* Silent, r600_hdmi_enable will raise WARN for us */
1951         if (enable && dig->afmt->enabled)
1952                 return;
1953         if (!enable && !dig->afmt->enabled)
1954                 return;
1955
1956         if (!enable && dig->afmt->pin) {
1957                 dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1958                 dig->afmt->pin = NULL;
1959         }
1960
1961         dig->afmt->enabled = enable;
1962
1963         DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1964                   enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1965 }
1966
1967 static void dce_v11_0_afmt_init(struct amdgpu_device *adev)
1968 {
1969         int i;
1970
1971         for (i = 0; i < adev->mode_info.num_dig; i++)
1972                 adev->mode_info.afmt[i] = NULL;
1973
1974         /* DCE11 has audio blocks tied to DIG encoders */
1975         for (i = 0; i < adev->mode_info.num_dig; i++) {
1976                 adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1977                 if (adev->mode_info.afmt[i]) {
1978                         adev->mode_info.afmt[i]->offset = dig_offsets[i];
1979                         adev->mode_info.afmt[i]->id = i;
1980                 }
1981         }
1982 }
1983
1984 static void dce_v11_0_afmt_fini(struct amdgpu_device *adev)
1985 {
1986         int i;
1987
1988         for (i = 0; i < adev->mode_info.num_dig; i++) {
1989                 kfree(adev->mode_info.afmt[i]);
1990                 adev->mode_info.afmt[i] = NULL;
1991         }
1992 }
1993
1994 static const u32 vga_control_regs[6] =
1995 {
1996         mmD1VGA_CONTROL,
1997         mmD2VGA_CONTROL,
1998         mmD3VGA_CONTROL,
1999         mmD4VGA_CONTROL,
2000         mmD5VGA_CONTROL,
2001         mmD6VGA_CONTROL,
2002 };
2003
2004 static void dce_v11_0_vga_enable(struct drm_crtc *crtc, bool enable)
2005 {
2006         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2007         struct drm_device *dev = crtc->dev;
2008         struct amdgpu_device *adev = dev->dev_private;
2009         u32 vga_control;
2010
2011         vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
2012         if (enable)
2013                 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1);
2014         else
2015                 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control);
2016 }
2017
2018 static void dce_v11_0_grph_enable(struct drm_crtc *crtc, bool enable)
2019 {
2020         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2021         struct drm_device *dev = crtc->dev;
2022         struct amdgpu_device *adev = dev->dev_private;
2023
2024         if (enable)
2025                 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1);
2026         else
2027                 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0);
2028 }
2029
2030 static int dce_v11_0_crtc_do_set_base(struct drm_crtc *crtc,
2031                                      struct drm_framebuffer *fb,
2032                                      int x, int y, int atomic)
2033 {
2034         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2035         struct drm_device *dev = crtc->dev;
2036         struct amdgpu_device *adev = dev->dev_private;
2037         struct amdgpu_framebuffer *amdgpu_fb;
2038         struct drm_framebuffer *target_fb;
2039         struct drm_gem_object *obj;
2040         struct amdgpu_bo *rbo;
2041         uint64_t fb_location, tiling_flags;
2042         uint32_t fb_format, fb_pitch_pixels;
2043         u32 fb_swap = REG_SET_FIELD(0, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, ENDIAN_NONE);
2044         u32 pipe_config;
2045         u32 tmp, viewport_w, viewport_h;
2046         int r;
2047         bool bypass_lut = false;
2048
2049         /* no fb bound */
2050         if (!atomic && !crtc->primary->fb) {
2051                 DRM_DEBUG_KMS("No FB bound\n");
2052                 return 0;
2053         }
2054
2055         if (atomic) {
2056                 amdgpu_fb = to_amdgpu_framebuffer(fb);
2057                 target_fb = fb;
2058         }
2059         else {
2060                 amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb);
2061                 target_fb = crtc->primary->fb;
2062         }
2063
2064         /* If atomic, assume fb object is pinned & idle & fenced and
2065          * just update base pointers
2066          */
2067         obj = amdgpu_fb->obj;
2068         rbo = gem_to_amdgpu_bo(obj);
2069         r = amdgpu_bo_reserve(rbo, false);
2070         if (unlikely(r != 0))
2071                 return r;
2072
2073         if (atomic)
2074                 fb_location = amdgpu_bo_gpu_offset(rbo);
2075         else {
2076                 r = amdgpu_bo_pin(rbo, AMDGPU_GEM_DOMAIN_VRAM, &fb_location);
2077                 if (unlikely(r != 0)) {
2078                         amdgpu_bo_unreserve(rbo);
2079                         return -EINVAL;
2080                 }
2081         }
2082
2083         amdgpu_bo_get_tiling_flags(rbo, &tiling_flags);
2084         amdgpu_bo_unreserve(rbo);
2085
2086         pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
2087
2088         switch (target_fb->pixel_format) {
2089         case DRM_FORMAT_C8:
2090                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 0);
2091                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2092                 break;
2093         case DRM_FORMAT_XRGB4444:
2094         case DRM_FORMAT_ARGB4444:
2095                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
2096                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 2);
2097 #ifdef __BIG_ENDIAN
2098                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2099                                         ENDIAN_8IN16);
2100 #endif
2101                 break;
2102         case DRM_FORMAT_XRGB1555:
2103         case DRM_FORMAT_ARGB1555:
2104                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
2105                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2106 #ifdef __BIG_ENDIAN
2107                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2108                                         ENDIAN_8IN16);
2109 #endif
2110                 break;
2111         case DRM_FORMAT_BGRX5551:
2112         case DRM_FORMAT_BGRA5551:
2113                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
2114                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 5);
2115 #ifdef __BIG_ENDIAN
2116                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2117                                         ENDIAN_8IN16);
2118 #endif
2119                 break;
2120         case DRM_FORMAT_RGB565:
2121                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
2122                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
2123 #ifdef __BIG_ENDIAN
2124                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2125                                         ENDIAN_8IN16);
2126 #endif
2127                 break;
2128         case DRM_FORMAT_XRGB8888:
2129         case DRM_FORMAT_ARGB8888:
2130                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2131                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2132 #ifdef __BIG_ENDIAN
2133                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2134                                         ENDIAN_8IN32);
2135 #endif
2136                 break;
2137         case DRM_FORMAT_XRGB2101010:
2138         case DRM_FORMAT_ARGB2101010:
2139                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2140                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
2141 #ifdef __BIG_ENDIAN
2142                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2143                                         ENDIAN_8IN32);
2144 #endif
2145                 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2146                 bypass_lut = true;
2147                 break;
2148         case DRM_FORMAT_BGRX1010102:
2149         case DRM_FORMAT_BGRA1010102:
2150                 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2151                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 4);
2152 #ifdef __BIG_ENDIAN
2153                 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2154                                         ENDIAN_8IN32);
2155 #endif
2156                 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2157                 bypass_lut = true;
2158                 break;
2159         default:
2160                 DRM_ERROR("Unsupported screen format %s\n",
2161                         drm_get_format_name(target_fb->pixel_format));
2162                 return -EINVAL;
2163         }
2164
2165         if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
2166                 unsigned bankw, bankh, mtaspect, tile_split, num_banks;
2167
2168                 bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
2169                 bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
2170                 mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
2171                 tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
2172                 num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
2173
2174                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_NUM_BANKS, num_banks);
2175                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2176                                           ARRAY_2D_TILED_THIN1);
2177                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_TILE_SPLIT,
2178                                           tile_split);
2179                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_WIDTH, bankw);
2180                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_HEIGHT, bankh);
2181                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MACRO_TILE_ASPECT,
2182                                           mtaspect);
2183                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MICRO_TILE_MODE,
2184                                           ADDR_SURF_MICRO_TILING_DISPLAY);
2185         } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
2186                 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2187                                           ARRAY_1D_TILED_THIN1);
2188         }
2189
2190         fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_PIPE_CONFIG,
2191                                   pipe_config);
2192
2193         dce_v11_0_vga_enable(crtc, false);
2194
2195         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2196                upper_32_bits(fb_location));
2197         WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2198                upper_32_bits(fb_location));
2199         WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2200                (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
2201         WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2202                (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK);
2203         WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
2204         WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
2205
2206         /*
2207          * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
2208          * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
2209          * retain the full precision throughout the pipeline.
2210          */
2211         tmp = RREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset);
2212         if (bypass_lut)
2213                 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 1);
2214         else
2215                 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 0);
2216         WREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset, tmp);
2217
2218         if (bypass_lut)
2219                 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
2220
2221         WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
2222         WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
2223         WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
2224         WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
2225         WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
2226         WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
2227
2228         fb_pitch_pixels = target_fb->pitches[0] / (target_fb->bits_per_pixel / 8);
2229         WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
2230
2231         dce_v11_0_grph_enable(crtc, true);
2232
2233         WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2234                target_fb->height);
2235
2236         x &= ~3;
2237         y &= ~1;
2238         WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2239                (x << 16) | y);
2240         viewport_w = crtc->mode.hdisplay;
2241         viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2242         WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2243                (viewport_w << 16) | viewport_h);
2244
2245         /* pageflip setup */
2246         /* make sure flip is at vb rather than hb */
2247         tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
2248         tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
2249                             GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0);
2250         WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2251
2252         /* set pageflip to happen only at start of vblank interval (front porch) */
2253         WREG32(mmCRTC_MASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 3);
2254
2255         if (!atomic && fb && fb != crtc->primary->fb) {
2256                 amdgpu_fb = to_amdgpu_framebuffer(fb);
2257                 rbo = gem_to_amdgpu_bo(amdgpu_fb->obj);
2258                 r = amdgpu_bo_reserve(rbo, false);
2259                 if (unlikely(r != 0))
2260                         return r;
2261                 amdgpu_bo_unpin(rbo);
2262                 amdgpu_bo_unreserve(rbo);
2263         }
2264
2265         /* Bytes per pixel may have changed */
2266         dce_v11_0_bandwidth_update(adev);
2267
2268         return 0;
2269 }
2270
2271 static void dce_v11_0_set_interleave(struct drm_crtc *crtc,
2272                                      struct drm_display_mode *mode)
2273 {
2274         struct drm_device *dev = crtc->dev;
2275         struct amdgpu_device *adev = dev->dev_private;
2276         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2277         u32 tmp;
2278
2279         tmp = RREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset);
2280         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2281                 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 1);
2282         else
2283                 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 0);
2284         WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, tmp);
2285 }
2286
2287 static void dce_v11_0_crtc_load_lut(struct drm_crtc *crtc)
2288 {
2289         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2290         struct drm_device *dev = crtc->dev;
2291         struct amdgpu_device *adev = dev->dev_private;
2292         int i;
2293         u32 tmp;
2294
2295         DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2296
2297         tmp = RREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2298         tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_GRPH_MODE, 0);
2299         WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2300
2301         tmp = RREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset);
2302         tmp = REG_SET_FIELD(tmp, PRESCALE_GRPH_CONTROL, GRPH_PRESCALE_BYPASS, 1);
2303         WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2304
2305         tmp = RREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2306         tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, GRPH_INPUT_GAMMA_MODE, 0);
2307         WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2308
2309         WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2310
2311         WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2312         WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2313         WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2314
2315         WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2316         WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2317         WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2318
2319         WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2320         WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2321
2322         WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2323         for (i = 0; i < 256; i++) {
2324                 WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2325                        (amdgpu_crtc->lut_r[i] << 20) |
2326                        (amdgpu_crtc->lut_g[i] << 10) |
2327                        (amdgpu_crtc->lut_b[i] << 0));
2328         }
2329
2330         tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2331         tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, GRPH_DEGAMMA_MODE, 0);
2332         tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR_DEGAMMA_MODE, 0);
2333         tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR2_DEGAMMA_MODE, 0);
2334         WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2335
2336         tmp = RREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset);
2337         tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, GRPH_GAMUT_REMAP_MODE, 0);
2338         WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2339
2340         tmp = RREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2341         tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, GRPH_REGAMMA_MODE, 0);
2342         WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2343
2344         tmp = RREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2345         tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_GRPH_MODE, 0);
2346         WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2347
2348         /* XXX match this to the depth of the crtc fmt block, move to modeset? */
2349         WREG32(mmDENORM_CONTROL + amdgpu_crtc->crtc_offset, 0);
2350         /* XXX this only needs to be programmed once per crtc at startup,
2351          * not sure where the best place for it is
2352          */
2353         tmp = RREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset);
2354         tmp = REG_SET_FIELD(tmp, ALPHA_CONTROL, CURSOR_ALPHA_BLND_ENA, 1);
2355         WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2356 }
2357
2358 static int dce_v11_0_pick_dig_encoder(struct drm_encoder *encoder)
2359 {
2360         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2361         struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2362
2363         switch (amdgpu_encoder->encoder_id) {
2364         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2365                 if (dig->linkb)
2366                         return 1;
2367                 else
2368                         return 0;
2369                 break;
2370         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2371                 if (dig->linkb)
2372                         return 3;
2373                 else
2374                         return 2;
2375                 break;
2376         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2377                 if (dig->linkb)
2378                         return 5;
2379                 else
2380                         return 4;
2381                 break;
2382         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2383                 return 6;
2384                 break;
2385         default:
2386                 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2387                 return 0;
2388         }
2389 }
2390
2391 /**
2392  * dce_v11_0_pick_pll - Allocate a PPLL for use by the crtc.
2393  *
2394  * @crtc: drm crtc
2395  *
2396  * Returns the PPLL (Pixel PLL) to be used by the crtc.  For DP monitors
2397  * a single PPLL can be used for all DP crtcs/encoders.  For non-DP
2398  * monitors a dedicated PPLL must be used.  If a particular board has
2399  * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2400  * as there is no need to program the PLL itself.  If we are not able to
2401  * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2402  * avoid messing up an existing monitor.
2403  *
2404  * Asic specific PLL information
2405  *
2406  * DCE 10.x
2407  * Tonga
2408  * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP)
2409  * CI
2410  * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
2411  *
2412  */
2413 static u32 dce_v11_0_pick_pll(struct drm_crtc *crtc)
2414 {
2415         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2416         struct drm_device *dev = crtc->dev;
2417         struct amdgpu_device *adev = dev->dev_private;
2418         u32 pll_in_use;
2419         int pll;
2420
2421         if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2422                 if (adev->clock.dp_extclk)
2423                         /* skip PPLL programming if using ext clock */
2424                         return ATOM_PPLL_INVALID;
2425                 else {
2426                         /* use the same PPLL for all DP monitors */
2427                         pll = amdgpu_pll_get_shared_dp_ppll(crtc);
2428                         if (pll != ATOM_PPLL_INVALID)
2429                                 return pll;
2430                 }
2431         } else {
2432                 /* use the same PPLL for all monitors with the same clock */
2433                 pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2434                 if (pll != ATOM_PPLL_INVALID)
2435                         return pll;
2436         }
2437
2438         /* XXX need to determine what plls are available on each DCE11 part */
2439         pll_in_use = amdgpu_pll_get_use_mask(crtc);
2440         if (adev->asic_type == CHIP_CARRIZO || adev->asic_type == CHIP_STONEY) {
2441                 if (!(pll_in_use & (1 << ATOM_PPLL1)))
2442                         return ATOM_PPLL1;
2443                 if (!(pll_in_use & (1 << ATOM_PPLL0)))
2444                         return ATOM_PPLL0;
2445                 DRM_ERROR("unable to allocate a PPLL\n");
2446                 return ATOM_PPLL_INVALID;
2447         } else {
2448                 if (!(pll_in_use & (1 << ATOM_PPLL2)))
2449                         return ATOM_PPLL2;
2450                 if (!(pll_in_use & (1 << ATOM_PPLL1)))
2451                         return ATOM_PPLL1;
2452                 if (!(pll_in_use & (1 << ATOM_PPLL0)))
2453                         return ATOM_PPLL0;
2454                 DRM_ERROR("unable to allocate a PPLL\n");
2455                 return ATOM_PPLL_INVALID;
2456         }
2457         return ATOM_PPLL_INVALID;
2458 }
2459
2460 static void dce_v11_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2461 {
2462         struct amdgpu_device *adev = crtc->dev->dev_private;
2463         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2464         uint32_t cur_lock;
2465
2466         cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2467         if (lock)
2468                 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 1);
2469         else
2470                 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 0);
2471         WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2472 }
2473
2474 static void dce_v11_0_hide_cursor(struct drm_crtc *crtc)
2475 {
2476         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2477         struct amdgpu_device *adev = crtc->dev->dev_private;
2478         u32 tmp;
2479
2480         tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2481         tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0);
2482         WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2483 }
2484
2485 static void dce_v11_0_show_cursor(struct drm_crtc *crtc)
2486 {
2487         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2488         struct amdgpu_device *adev = crtc->dev->dev_private;
2489         u32 tmp;
2490
2491         WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2492                upper_32_bits(amdgpu_crtc->cursor_addr));
2493         WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2494                lower_32_bits(amdgpu_crtc->cursor_addr));
2495
2496         tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2497         tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1);
2498         tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2);
2499         WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2500 }
2501
2502 static int dce_v11_0_cursor_move_locked(struct drm_crtc *crtc,
2503                                         int x, int y)
2504 {
2505         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2506         struct amdgpu_device *adev = crtc->dev->dev_private;
2507         int xorigin = 0, yorigin = 0;
2508
2509         /* avivo cursor are offset into the total surface */
2510         x += crtc->x;
2511         y += crtc->y;
2512         DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2513
2514         if (x < 0) {
2515                 xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2516                 x = 0;
2517         }
2518         if (y < 0) {
2519                 yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2520                 y = 0;
2521         }
2522
2523         WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2524         WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2525         WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2526                ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2527
2528         amdgpu_crtc->cursor_x = x;
2529         amdgpu_crtc->cursor_y = y;
2530
2531         return 0;
2532 }
2533
2534 static int dce_v11_0_crtc_cursor_move(struct drm_crtc *crtc,
2535                                       int x, int y)
2536 {
2537         int ret;
2538
2539         dce_v11_0_lock_cursor(crtc, true);
2540         ret = dce_v11_0_cursor_move_locked(crtc, x, y);
2541         dce_v11_0_lock_cursor(crtc, false);
2542
2543         return ret;
2544 }
2545
2546 static int dce_v11_0_crtc_cursor_set2(struct drm_crtc *crtc,
2547                                       struct drm_file *file_priv,
2548                                       uint32_t handle,
2549                                       uint32_t width,
2550                                       uint32_t height,
2551                                       int32_t hot_x,
2552                                       int32_t hot_y)
2553 {
2554         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2555         struct drm_gem_object *obj;
2556         struct amdgpu_bo *aobj;
2557         int ret;
2558
2559         if (!handle) {
2560                 /* turn off cursor */
2561                 dce_v11_0_hide_cursor(crtc);
2562                 obj = NULL;
2563                 goto unpin;
2564         }
2565
2566         if ((width > amdgpu_crtc->max_cursor_width) ||
2567             (height > amdgpu_crtc->max_cursor_height)) {
2568                 DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2569                 return -EINVAL;
2570         }
2571
2572         obj = drm_gem_object_lookup(crtc->dev, file_priv, handle);
2573         if (!obj) {
2574                 DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2575                 return -ENOENT;
2576         }
2577
2578         aobj = gem_to_amdgpu_bo(obj);
2579         ret = amdgpu_bo_reserve(aobj, false);
2580         if (ret != 0) {
2581                 drm_gem_object_unreference_unlocked(obj);
2582                 return ret;
2583         }
2584
2585         ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM, &amdgpu_crtc->cursor_addr);
2586         amdgpu_bo_unreserve(aobj);
2587         if (ret) {
2588                 DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2589                 drm_gem_object_unreference_unlocked(obj);
2590                 return ret;
2591         }
2592
2593         amdgpu_crtc->cursor_width = width;
2594         amdgpu_crtc->cursor_height = height;
2595
2596         dce_v11_0_lock_cursor(crtc, true);
2597
2598         if (hot_x != amdgpu_crtc->cursor_hot_x ||
2599             hot_y != amdgpu_crtc->cursor_hot_y) {
2600                 int x, y;
2601
2602                 x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2603                 y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2604
2605                 dce_v11_0_cursor_move_locked(crtc, x, y);
2606
2607                 amdgpu_crtc->cursor_hot_x = hot_x;
2608                 amdgpu_crtc->cursor_hot_y = hot_y;
2609         }
2610
2611         dce_v11_0_show_cursor(crtc);
2612         dce_v11_0_lock_cursor(crtc, false);
2613
2614 unpin:
2615         if (amdgpu_crtc->cursor_bo) {
2616                 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2617                 ret = amdgpu_bo_reserve(aobj, false);
2618                 if (likely(ret == 0)) {
2619                         amdgpu_bo_unpin(aobj);
2620                         amdgpu_bo_unreserve(aobj);
2621                 }
2622                 drm_gem_object_unreference_unlocked(amdgpu_crtc->cursor_bo);
2623         }
2624
2625         amdgpu_crtc->cursor_bo = obj;
2626         return 0;
2627 }
2628
2629 static void dce_v11_0_cursor_reset(struct drm_crtc *crtc)
2630 {
2631         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2632
2633         if (amdgpu_crtc->cursor_bo) {
2634                 dce_v11_0_lock_cursor(crtc, true);
2635
2636                 dce_v11_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2637                                              amdgpu_crtc->cursor_y);
2638
2639                 dce_v11_0_show_cursor(crtc);
2640
2641                 dce_v11_0_lock_cursor(crtc, false);
2642         }
2643 }
2644
2645 static void dce_v11_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2646                                     u16 *blue, uint32_t start, uint32_t size)
2647 {
2648         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2649         int end = (start + size > 256) ? 256 : start + size, i;
2650
2651         /* userspace palettes are always correct as is */
2652         for (i = start; i < end; i++) {
2653                 amdgpu_crtc->lut_r[i] = red[i] >> 6;
2654                 amdgpu_crtc->lut_g[i] = green[i] >> 6;
2655                 amdgpu_crtc->lut_b[i] = blue[i] >> 6;
2656         }
2657         dce_v11_0_crtc_load_lut(crtc);
2658 }
2659
2660 static void dce_v11_0_crtc_destroy(struct drm_crtc *crtc)
2661 {
2662         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2663
2664         drm_crtc_cleanup(crtc);
2665         destroy_workqueue(amdgpu_crtc->pflip_queue);
2666         kfree(amdgpu_crtc);
2667 }
2668
2669 static const struct drm_crtc_funcs dce_v11_0_crtc_funcs = {
2670         .cursor_set2 = dce_v11_0_crtc_cursor_set2,
2671         .cursor_move = dce_v11_0_crtc_cursor_move,
2672         .gamma_set = dce_v11_0_crtc_gamma_set,
2673         .set_config = amdgpu_crtc_set_config,
2674         .destroy = dce_v11_0_crtc_destroy,
2675         .page_flip = amdgpu_crtc_page_flip,
2676 };
2677
2678 static void dce_v11_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2679 {
2680         struct drm_device *dev = crtc->dev;
2681         struct amdgpu_device *adev = dev->dev_private;
2682         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2683         unsigned type;
2684
2685         switch (mode) {
2686         case DRM_MODE_DPMS_ON:
2687                 amdgpu_crtc->enabled = true;
2688                 amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2689                 dce_v11_0_vga_enable(crtc, true);
2690                 amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2691                 dce_v11_0_vga_enable(crtc, false);
2692                 /* Make sure VBLANK and PFLIP interrupts are still enabled */
2693                 type = amdgpu_crtc_idx_to_irq_type(adev, amdgpu_crtc->crtc_id);
2694                 amdgpu_irq_update(adev, &adev->crtc_irq, type);
2695                 amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2696                 drm_vblank_post_modeset(dev, amdgpu_crtc->crtc_id);
2697                 dce_v11_0_crtc_load_lut(crtc);
2698                 break;
2699         case DRM_MODE_DPMS_STANDBY:
2700         case DRM_MODE_DPMS_SUSPEND:
2701         case DRM_MODE_DPMS_OFF:
2702                 drm_vblank_pre_modeset(dev, amdgpu_crtc->crtc_id);
2703                 if (amdgpu_crtc->enabled) {
2704                         dce_v11_0_vga_enable(crtc, true);
2705                         amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2706                         dce_v11_0_vga_enable(crtc, false);
2707                 }
2708                 amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2709                 amdgpu_crtc->enabled = false;
2710                 break;
2711         }
2712         /* adjust pm to dpms */
2713         amdgpu_pm_compute_clocks(adev);
2714 }
2715
2716 static void dce_v11_0_crtc_prepare(struct drm_crtc *crtc)
2717 {
2718         /* disable crtc pair power gating before programming */
2719         amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2720         amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2721         dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2722 }
2723
2724 static void dce_v11_0_crtc_commit(struct drm_crtc *crtc)
2725 {
2726         dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2727         amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2728 }
2729
2730 static void dce_v11_0_crtc_disable(struct drm_crtc *crtc)
2731 {
2732         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2733         struct drm_device *dev = crtc->dev;
2734         struct amdgpu_device *adev = dev->dev_private;
2735         struct amdgpu_atom_ss ss;
2736         int i;
2737
2738         dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2739         if (crtc->primary->fb) {
2740                 int r;
2741                 struct amdgpu_framebuffer *amdgpu_fb;
2742                 struct amdgpu_bo *rbo;
2743
2744                 amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb);
2745                 rbo = gem_to_amdgpu_bo(amdgpu_fb->obj);
2746                 r = amdgpu_bo_reserve(rbo, false);
2747                 if (unlikely(r))
2748                         DRM_ERROR("failed to reserve rbo before unpin\n");
2749                 else {
2750                         amdgpu_bo_unpin(rbo);
2751                         amdgpu_bo_unreserve(rbo);
2752                 }
2753         }
2754         /* disable the GRPH */
2755         dce_v11_0_grph_enable(crtc, false);
2756
2757         amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2758
2759         for (i = 0; i < adev->mode_info.num_crtc; i++) {
2760                 if (adev->mode_info.crtcs[i] &&
2761                     adev->mode_info.crtcs[i]->enabled &&
2762                     i != amdgpu_crtc->crtc_id &&
2763                     amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2764                         /* one other crtc is using this pll don't turn
2765                          * off the pll
2766                          */
2767                         goto done;
2768                 }
2769         }
2770
2771         switch (amdgpu_crtc->pll_id) {
2772         case ATOM_PPLL0:
2773         case ATOM_PPLL1:
2774         case ATOM_PPLL2:
2775                 /* disable the ppll */
2776                 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2777                                           0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2778                 break;
2779         default:
2780                 break;
2781         }
2782 done:
2783         amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2784         amdgpu_crtc->adjusted_clock = 0;
2785         amdgpu_crtc->encoder = NULL;
2786         amdgpu_crtc->connector = NULL;
2787 }
2788
2789 static int dce_v11_0_crtc_mode_set(struct drm_crtc *crtc,
2790                                   struct drm_display_mode *mode,
2791                                   struct drm_display_mode *adjusted_mode,
2792                                   int x, int y, struct drm_framebuffer *old_fb)
2793 {
2794         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2795
2796         if (!amdgpu_crtc->adjusted_clock)
2797                 return -EINVAL;
2798
2799         amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2800         amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2801         dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2802         amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2803         amdgpu_atombios_crtc_scaler_setup(crtc);
2804         dce_v11_0_cursor_reset(crtc);
2805         /* update the hw version fpr dpm */
2806         amdgpu_crtc->hw_mode = *adjusted_mode;
2807
2808         return 0;
2809 }
2810
2811 static bool dce_v11_0_crtc_mode_fixup(struct drm_crtc *crtc,
2812                                      const struct drm_display_mode *mode,
2813                                      struct drm_display_mode *adjusted_mode)
2814 {
2815         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2816         struct drm_device *dev = crtc->dev;
2817         struct drm_encoder *encoder;
2818
2819         /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2820         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2821                 if (encoder->crtc == crtc) {
2822                         amdgpu_crtc->encoder = encoder;
2823                         amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2824                         break;
2825                 }
2826         }
2827         if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2828                 amdgpu_crtc->encoder = NULL;
2829                 amdgpu_crtc->connector = NULL;
2830                 return false;
2831         }
2832         if (!amdgpu_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2833                 return false;
2834         if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2835                 return false;
2836         /* pick pll */
2837         amdgpu_crtc->pll_id = dce_v11_0_pick_pll(crtc);
2838         /* if we can't get a PPLL for a non-DP encoder, fail */
2839         if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2840             !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2841                 return false;
2842
2843         return true;
2844 }
2845
2846 static int dce_v11_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2847                                   struct drm_framebuffer *old_fb)
2848 {
2849         return dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2850 }
2851
2852 static int dce_v11_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2853                                          struct drm_framebuffer *fb,
2854                                          int x, int y, enum mode_set_atomic state)
2855 {
2856        return dce_v11_0_crtc_do_set_base(crtc, fb, x, y, 1);
2857 }
2858
2859 static const struct drm_crtc_helper_funcs dce_v11_0_crtc_helper_funcs = {
2860         .dpms = dce_v11_0_crtc_dpms,
2861         .mode_fixup = dce_v11_0_crtc_mode_fixup,
2862         .mode_set = dce_v11_0_crtc_mode_set,
2863         .mode_set_base = dce_v11_0_crtc_set_base,
2864         .mode_set_base_atomic = dce_v11_0_crtc_set_base_atomic,
2865         .prepare = dce_v11_0_crtc_prepare,
2866         .commit = dce_v11_0_crtc_commit,
2867         .load_lut = dce_v11_0_crtc_load_lut,
2868         .disable = dce_v11_0_crtc_disable,
2869 };
2870
2871 static int dce_v11_0_crtc_init(struct amdgpu_device *adev, int index)
2872 {
2873         struct amdgpu_crtc *amdgpu_crtc;
2874         int i;
2875
2876         amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2877                               (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2878         if (amdgpu_crtc == NULL)
2879                 return -ENOMEM;
2880
2881         drm_crtc_init(adev->ddev, &amdgpu_crtc->base, &dce_v11_0_crtc_funcs);
2882
2883         drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2884         amdgpu_crtc->crtc_id = index;
2885         amdgpu_crtc->pflip_queue = create_singlethread_workqueue("amdgpu-pageflip-queue");
2886         adev->mode_info.crtcs[index] = amdgpu_crtc;
2887
2888         amdgpu_crtc->max_cursor_width = 128;
2889         amdgpu_crtc->max_cursor_height = 128;
2890         adev->ddev->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2891         adev->ddev->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2892
2893         for (i = 0; i < 256; i++) {
2894                 amdgpu_crtc->lut_r[i] = i << 2;
2895                 amdgpu_crtc->lut_g[i] = i << 2;
2896                 amdgpu_crtc->lut_b[i] = i << 2;
2897         }
2898
2899         switch (amdgpu_crtc->crtc_id) {
2900         case 0:
2901         default:
2902                 amdgpu_crtc->crtc_offset = CRTC0_REGISTER_OFFSET;
2903                 break;
2904         case 1:
2905                 amdgpu_crtc->crtc_offset = CRTC1_REGISTER_OFFSET;
2906                 break;
2907         case 2:
2908                 amdgpu_crtc->crtc_offset = CRTC2_REGISTER_OFFSET;
2909                 break;
2910         case 3:
2911                 amdgpu_crtc->crtc_offset = CRTC3_REGISTER_OFFSET;
2912                 break;
2913         case 4:
2914                 amdgpu_crtc->crtc_offset = CRTC4_REGISTER_OFFSET;
2915                 break;
2916         case 5:
2917                 amdgpu_crtc->crtc_offset = CRTC5_REGISTER_OFFSET;
2918                 break;
2919         }
2920
2921         amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2922         amdgpu_crtc->adjusted_clock = 0;
2923         amdgpu_crtc->encoder = NULL;
2924         amdgpu_crtc->connector = NULL;
2925         drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v11_0_crtc_helper_funcs);
2926
2927         return 0;
2928 }
2929
2930 static int dce_v11_0_early_init(void *handle)
2931 {
2932         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2933
2934         adev->audio_endpt_rreg = &dce_v11_0_audio_endpt_rreg;
2935         adev->audio_endpt_wreg = &dce_v11_0_audio_endpt_wreg;
2936
2937         dce_v11_0_set_display_funcs(adev);
2938         dce_v11_0_set_irq_funcs(adev);
2939
2940         switch (adev->asic_type) {
2941         case CHIP_CARRIZO:
2942                 adev->mode_info.num_crtc = 3;
2943                 adev->mode_info.num_hpd = 6;
2944                 adev->mode_info.num_dig = 9;
2945                 break;
2946         case CHIP_STONEY:
2947                 adev->mode_info.num_crtc = 2;
2948                 adev->mode_info.num_hpd = 6;
2949                 adev->mode_info.num_dig = 9;
2950                 break;
2951         default:
2952                 /* FIXME: not supported yet */
2953                 return -EINVAL;
2954         }
2955
2956         return 0;
2957 }
2958
2959 static int dce_v11_0_sw_init(void *handle)
2960 {
2961         int r, i;
2962         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2963
2964         for (i = 0; i < adev->mode_info.num_crtc; i++) {
2965                 r = amdgpu_irq_add_id(adev, i + 1, &adev->crtc_irq);
2966                 if (r)
2967                 return r;
2968         }
2969
2970         for (i = 8; i < 20; i += 2) {
2971                 r = amdgpu_irq_add_id(adev, i, &adev->pageflip_irq);
2972                 if (r)
2973                         return r;
2974         }
2975
2976         /* HPD hotplug */
2977         r = amdgpu_irq_add_id(adev, 42, &adev->hpd_irq);
2978         if (r)
2979         return r;
2980
2981         adev->mode_info.mode_config_initialized = true;
2982
2983         adev->ddev->mode_config.funcs = &amdgpu_mode_funcs;
2984
2985         adev->ddev->mode_config.max_width = 16384;
2986         adev->ddev->mode_config.max_height = 16384;
2987
2988         adev->ddev->mode_config.preferred_depth = 24;
2989         adev->ddev->mode_config.prefer_shadow = 1;
2990
2991         adev->ddev->mode_config.fb_base = adev->mc.aper_base;
2992
2993         r = amdgpu_modeset_create_props(adev);
2994         if (r)
2995                 return r;
2996
2997         adev->ddev->mode_config.max_width = 16384;
2998         adev->ddev->mode_config.max_height = 16384;
2999
3000         /* allocate crtcs */
3001         for (i = 0; i < adev->mode_info.num_crtc; i++) {
3002                 r = dce_v11_0_crtc_init(adev, i);
3003                 if (r)
3004                         return r;
3005         }
3006
3007         if (amdgpu_atombios_get_connector_info_from_object_table(adev))
3008                 amdgpu_print_display_setup(adev->ddev);
3009         else
3010                 return -EINVAL;
3011
3012         /* setup afmt */
3013         dce_v11_0_afmt_init(adev);
3014
3015         r = dce_v11_0_audio_init(adev);
3016         if (r)
3017                 return r;
3018
3019         drm_kms_helper_poll_init(adev->ddev);
3020
3021         return r;
3022 }
3023
3024 static int dce_v11_0_sw_fini(void *handle)
3025 {
3026         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3027
3028         kfree(adev->mode_info.bios_hardcoded_edid);
3029
3030         drm_kms_helper_poll_fini(adev->ddev);
3031
3032         dce_v11_0_audio_fini(adev);
3033
3034         dce_v11_0_afmt_fini(adev);
3035
3036         drm_mode_config_cleanup(adev->ddev);
3037         adev->mode_info.mode_config_initialized = false;
3038
3039         return 0;
3040 }
3041
3042 static int dce_v11_0_hw_init(void *handle)
3043 {
3044         int i;
3045         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3046
3047         dce_v11_0_init_golden_registers(adev);
3048
3049         /* init dig PHYs, disp eng pll */
3050         amdgpu_atombios_crtc_powergate_init(adev);
3051         amdgpu_atombios_encoder_init_dig(adev);
3052         amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
3053
3054         /* initialize hpd */
3055         dce_v11_0_hpd_init(adev);
3056
3057         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3058                 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3059         }
3060
3061         dce_v11_0_pageflip_interrupt_init(adev);
3062
3063         return 0;
3064 }
3065
3066 static int dce_v11_0_hw_fini(void *handle)
3067 {
3068         int i;
3069         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3070
3071         dce_v11_0_hpd_fini(adev);
3072
3073         for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3074                 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3075         }
3076
3077         dce_v11_0_pageflip_interrupt_fini(adev);
3078
3079         return 0;
3080 }
3081
3082 static int dce_v11_0_suspend(void *handle)
3083 {
3084         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3085
3086         amdgpu_atombios_scratch_regs_save(adev);
3087
3088         return dce_v11_0_hw_fini(handle);
3089 }
3090
3091 static int dce_v11_0_resume(void *handle)
3092 {
3093         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3094         int ret;
3095
3096         ret = dce_v11_0_hw_init(handle);
3097
3098         amdgpu_atombios_scratch_regs_restore(adev);
3099
3100         /* turn on the BL */
3101         if (adev->mode_info.bl_encoder) {
3102                 u8 bl_level = amdgpu_display_backlight_get_level(adev,
3103                                                                   adev->mode_info.bl_encoder);
3104                 amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
3105                                                     bl_level);
3106         }
3107
3108         return ret;
3109 }
3110
3111 static bool dce_v11_0_is_idle(void *handle)
3112 {
3113         return true;
3114 }
3115
3116 static int dce_v11_0_wait_for_idle(void *handle)
3117 {
3118         return 0;
3119 }
3120
3121 static void dce_v11_0_print_status(void *handle)
3122 {
3123         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3124
3125         dev_info(adev->dev, "DCE 10.x registers\n");
3126         /* XXX todo */
3127 }
3128
3129 static int dce_v11_0_soft_reset(void *handle)
3130 {
3131         u32 srbm_soft_reset = 0, tmp;
3132         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3133
3134         if (dce_v11_0_is_display_hung(adev))
3135                 srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK;
3136
3137         if (srbm_soft_reset) {
3138                 dce_v11_0_print_status((void *)adev);
3139
3140                 tmp = RREG32(mmSRBM_SOFT_RESET);
3141                 tmp |= srbm_soft_reset;
3142                 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
3143                 WREG32(mmSRBM_SOFT_RESET, tmp);
3144                 tmp = RREG32(mmSRBM_SOFT_RESET);
3145
3146                 udelay(50);
3147
3148                 tmp &= ~srbm_soft_reset;
3149                 WREG32(mmSRBM_SOFT_RESET, tmp);
3150                 tmp = RREG32(mmSRBM_SOFT_RESET);
3151
3152                 /* Wait a little for things to settle down */
3153                 udelay(50);
3154                 dce_v11_0_print_status((void *)adev);
3155         }
3156         return 0;
3157 }
3158
3159 static void dce_v11_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
3160                                                      int crtc,
3161                                                      enum amdgpu_interrupt_state state)
3162 {
3163         u32 lb_interrupt_mask;
3164
3165         if (crtc >= adev->mode_info.num_crtc) {
3166                 DRM_DEBUG("invalid crtc %d\n", crtc);
3167                 return;
3168         }
3169
3170         switch (state) {
3171         case AMDGPU_IRQ_STATE_DISABLE:
3172                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3173                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3174                                                   VBLANK_INTERRUPT_MASK, 0);
3175                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3176                 break;
3177         case AMDGPU_IRQ_STATE_ENABLE:
3178                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3179                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3180                                                   VBLANK_INTERRUPT_MASK, 1);
3181                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3182                 break;
3183         default:
3184                 break;
3185         }
3186 }
3187
3188 static void dce_v11_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
3189                                                     int crtc,
3190                                                     enum amdgpu_interrupt_state state)
3191 {
3192         u32 lb_interrupt_mask;
3193
3194         if (crtc >= adev->mode_info.num_crtc) {
3195                 DRM_DEBUG("invalid crtc %d\n", crtc);
3196                 return;
3197         }
3198
3199         switch (state) {
3200         case AMDGPU_IRQ_STATE_DISABLE:
3201                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3202                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3203                                                   VLINE_INTERRUPT_MASK, 0);
3204                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3205                 break;
3206         case AMDGPU_IRQ_STATE_ENABLE:
3207                 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3208                 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3209                                                   VLINE_INTERRUPT_MASK, 1);
3210                 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3211                 break;
3212         default:
3213                 break;
3214         }
3215 }
3216
3217 static int dce_v11_0_set_hpd_irq_state(struct amdgpu_device *adev,
3218                                         struct amdgpu_irq_src *source,
3219                                         unsigned hpd,
3220                                         enum amdgpu_interrupt_state state)
3221 {
3222         u32 tmp;
3223
3224         if (hpd >= adev->mode_info.num_hpd) {
3225                 DRM_DEBUG("invalid hdp %d\n", hpd);
3226                 return 0;
3227         }
3228
3229         switch (state) {
3230         case AMDGPU_IRQ_STATE_DISABLE:
3231                 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3232                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
3233                 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3234                 break;
3235         case AMDGPU_IRQ_STATE_ENABLE:
3236                 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3237                 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 1);
3238                 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3239                 break;
3240         default:
3241                 break;
3242         }
3243
3244         return 0;
3245 }
3246
3247 static int dce_v11_0_set_crtc_irq_state(struct amdgpu_device *adev,
3248                                         struct amdgpu_irq_src *source,
3249                                         unsigned type,
3250                                         enum amdgpu_interrupt_state state)
3251 {
3252         switch (type) {
3253         case AMDGPU_CRTC_IRQ_VBLANK1:
3254                 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 0, state);
3255                 break;
3256         case AMDGPU_CRTC_IRQ_VBLANK2:
3257                 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 1, state);
3258                 break;
3259         case AMDGPU_CRTC_IRQ_VBLANK3:
3260                 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 2, state);
3261                 break;
3262         case AMDGPU_CRTC_IRQ_VBLANK4:
3263                 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 3, state);
3264                 break;
3265         case AMDGPU_CRTC_IRQ_VBLANK5:
3266                 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 4, state);
3267                 break;
3268         case AMDGPU_CRTC_IRQ_VBLANK6:
3269                 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 5, state);
3270                 break;
3271         case AMDGPU_CRTC_IRQ_VLINE1:
3272                 dce_v11_0_set_crtc_vline_interrupt_state(adev, 0, state);
3273                 break;
3274         case AMDGPU_CRTC_IRQ_VLINE2:
3275                 dce_v11_0_set_crtc_vline_interrupt_state(adev, 1, state);
3276                 break;
3277         case AMDGPU_CRTC_IRQ_VLINE3:
3278                 dce_v11_0_set_crtc_vline_interrupt_state(adev, 2, state);
3279                 break;
3280         case AMDGPU_CRTC_IRQ_VLINE4:
3281                 dce_v11_0_set_crtc_vline_interrupt_state(adev, 3, state);
3282                 break;
3283         case AMDGPU_CRTC_IRQ_VLINE5:
3284                 dce_v11_0_set_crtc_vline_interrupt_state(adev, 4, state);
3285                 break;
3286          case AMDGPU_CRTC_IRQ_VLINE6:
3287                 dce_v11_0_set_crtc_vline_interrupt_state(adev, 5, state);
3288                 break;
3289         default:
3290                 break;
3291         }
3292         return 0;
3293 }
3294
3295 static int dce_v11_0_set_pageflip_irq_state(struct amdgpu_device *adev,
3296                                             struct amdgpu_irq_src *src,
3297                                             unsigned type,
3298                                             enum amdgpu_interrupt_state state)
3299 {
3300         u32 reg;
3301
3302         if (type >= adev->mode_info.num_crtc) {
3303                 DRM_ERROR("invalid pageflip crtc %d\n", type);
3304                 return -EINVAL;
3305         }
3306
3307         reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3308         if (state == AMDGPU_IRQ_STATE_DISABLE)
3309                 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3310                        reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3311         else
3312                 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3313                        reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3314
3315         return 0;
3316 }
3317
3318 static int dce_v11_0_pageflip_irq(struct amdgpu_device *adev,
3319                                   struct amdgpu_irq_src *source,
3320                                   struct amdgpu_iv_entry *entry)
3321 {
3322         unsigned long flags;
3323         unsigned crtc_id;
3324         struct amdgpu_crtc *amdgpu_crtc;
3325         struct amdgpu_flip_work *works;
3326
3327         crtc_id = (entry->src_id - 8) >> 1;
3328         amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3329
3330         if (crtc_id >= adev->mode_info.num_crtc) {
3331                 DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3332                 return -EINVAL;
3333         }
3334
3335         if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3336             GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3337                 WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3338                        GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3339
3340         /* IRQ could occur when in initial stage */
3341         if(amdgpu_crtc == NULL)
3342                 return 0;
3343
3344         spin_lock_irqsave(&adev->ddev->event_lock, flags);
3345         works = amdgpu_crtc->pflip_works;
3346         if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
3347                 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3348                                                  "AMDGPU_FLIP_SUBMITTED(%d)\n",
3349                                                  amdgpu_crtc->pflip_status,
3350                                                  AMDGPU_FLIP_SUBMITTED);
3351                 spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3352                 return 0;
3353         }
3354
3355         /* page flip completed. clean up */
3356         amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3357         amdgpu_crtc->pflip_works = NULL;
3358
3359         /* wakeup usersapce */
3360         if(works->event)
3361                 drm_send_vblank_event(adev->ddev, crtc_id, works->event);
3362
3363         spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3364
3365         drm_vblank_put(adev->ddev, amdgpu_crtc->crtc_id);
3366         queue_work(amdgpu_crtc->pflip_queue, &works->unpin_work);
3367
3368         return 0;
3369 }
3370
3371 static void dce_v11_0_hpd_int_ack(struct amdgpu_device *adev,
3372                                   int hpd)
3373 {
3374         u32 tmp;
3375
3376         if (hpd >= adev->mode_info.num_hpd) {
3377                 DRM_DEBUG("invalid hdp %d\n", hpd);
3378                 return;
3379         }
3380
3381         tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3382         tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_ACK, 1);
3383         WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3384 }
3385
3386 static void dce_v11_0_crtc_vblank_int_ack(struct amdgpu_device *adev,
3387                                           int crtc)
3388 {
3389         u32 tmp;
3390
3391         if (crtc >= adev->mode_info.num_crtc) {
3392                 DRM_DEBUG("invalid crtc %d\n", crtc);
3393                 return;
3394         }
3395
3396         tmp = RREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc]);
3397         tmp = REG_SET_FIELD(tmp, LB_VBLANK_STATUS, VBLANK_ACK, 1);
3398         WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], tmp);
3399 }
3400
3401 static void dce_v11_0_crtc_vline_int_ack(struct amdgpu_device *adev,
3402                                          int crtc)
3403 {
3404         u32 tmp;
3405
3406         if (crtc >= adev->mode_info.num_crtc) {
3407                 DRM_DEBUG("invalid crtc %d\n", crtc);
3408                 return;
3409         }
3410
3411         tmp = RREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc]);
3412         tmp = REG_SET_FIELD(tmp, LB_VLINE_STATUS, VLINE_ACK, 1);
3413         WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], tmp);
3414 }
3415
3416 static int dce_v11_0_crtc_irq(struct amdgpu_device *adev,
3417                                 struct amdgpu_irq_src *source,
3418                                 struct amdgpu_iv_entry *entry)
3419 {
3420         unsigned crtc = entry->src_id - 1;
3421         uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
3422         unsigned irq_type = amdgpu_crtc_idx_to_irq_type(adev, crtc);
3423
3424         switch (entry->src_data) {
3425         case 0: /* vblank */
3426                 if (disp_int & interrupt_status_offsets[crtc].vblank)
3427                         dce_v11_0_crtc_vblank_int_ack(adev, crtc);
3428                 else
3429                         DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3430
3431                 if (amdgpu_irq_enabled(adev, source, irq_type)) {
3432                         drm_handle_vblank(adev->ddev, crtc);
3433                 }
3434                 DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3435
3436                 break;
3437         case 1: /* vline */
3438                 if (disp_int & interrupt_status_offsets[crtc].vline)
3439                         dce_v11_0_crtc_vline_int_ack(adev, crtc);
3440                 else
3441                         DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3442
3443                 DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3444
3445                 break;
3446         default:
3447                 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data);
3448                 break;
3449         }
3450
3451         return 0;
3452 }
3453
3454 static int dce_v11_0_hpd_irq(struct amdgpu_device *adev,
3455                              struct amdgpu_irq_src *source,
3456                              struct amdgpu_iv_entry *entry)
3457 {
3458         uint32_t disp_int, mask;
3459         unsigned hpd;
3460
3461         if (entry->src_data >= adev->mode_info.num_hpd) {
3462                 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data);
3463                 return 0;
3464         }
3465
3466         hpd = entry->src_data;
3467         disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3468         mask = interrupt_status_offsets[hpd].hpd;
3469
3470         if (disp_int & mask) {
3471                 dce_v11_0_hpd_int_ack(adev, hpd);
3472                 schedule_work(&adev->hotplug_work);
3473                 DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3474         }
3475
3476         return 0;
3477 }
3478
3479 static int dce_v11_0_set_clockgating_state(void *handle,
3480                                           enum amd_clockgating_state state)
3481 {
3482         return 0;
3483 }
3484
3485 static int dce_v11_0_set_powergating_state(void *handle,
3486                                           enum amd_powergating_state state)
3487 {
3488         return 0;
3489 }
3490
3491 const struct amd_ip_funcs dce_v11_0_ip_funcs = {
3492         .early_init = dce_v11_0_early_init,
3493         .late_init = NULL,
3494         .sw_init = dce_v11_0_sw_init,
3495         .sw_fini = dce_v11_0_sw_fini,
3496         .hw_init = dce_v11_0_hw_init,
3497         .hw_fini = dce_v11_0_hw_fini,
3498         .suspend = dce_v11_0_suspend,
3499         .resume = dce_v11_0_resume,
3500         .is_idle = dce_v11_0_is_idle,
3501         .wait_for_idle = dce_v11_0_wait_for_idle,
3502         .soft_reset = dce_v11_0_soft_reset,
3503         .print_status = dce_v11_0_print_status,
3504         .set_clockgating_state = dce_v11_0_set_clockgating_state,
3505         .set_powergating_state = dce_v11_0_set_powergating_state,
3506 };
3507
3508 static void
3509 dce_v11_0_encoder_mode_set(struct drm_encoder *encoder,
3510                           struct drm_display_mode *mode,
3511                           struct drm_display_mode *adjusted_mode)
3512 {
3513         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3514
3515         amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3516
3517         /* need to call this here rather than in prepare() since we need some crtc info */
3518         amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3519
3520         /* set scaler clears this on some chips */
3521         dce_v11_0_set_interleave(encoder->crtc, mode);
3522
3523         if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
3524                 dce_v11_0_afmt_enable(encoder, true);
3525                 dce_v11_0_afmt_setmode(encoder, adjusted_mode);
3526         }
3527 }
3528
3529 static void dce_v11_0_encoder_prepare(struct drm_encoder *encoder)
3530 {
3531         struct amdgpu_device *adev = encoder->dev->dev_private;
3532         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3533         struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3534
3535         if ((amdgpu_encoder->active_device &
3536              (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3537             (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3538              ENCODER_OBJECT_ID_NONE)) {
3539                 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3540                 if (dig) {
3541                         dig->dig_encoder = dce_v11_0_pick_dig_encoder(encoder);
3542                         if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3543                                 dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3544                 }
3545         }
3546
3547         amdgpu_atombios_scratch_regs_lock(adev, true);
3548
3549         if (connector) {
3550                 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3551
3552                 /* select the clock/data port if it uses a router */
3553                 if (amdgpu_connector->router.cd_valid)
3554                         amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3555
3556                 /* turn eDP panel on for mode set */
3557                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3558                         amdgpu_atombios_encoder_set_edp_panel_power(connector,
3559                                                              ATOM_TRANSMITTER_ACTION_POWER_ON);
3560         }
3561
3562         /* this is needed for the pll/ss setup to work correctly in some cases */
3563         amdgpu_atombios_encoder_set_crtc_source(encoder);
3564         /* set up the FMT blocks */
3565         dce_v11_0_program_fmt(encoder);
3566 }
3567
3568 static void dce_v11_0_encoder_commit(struct drm_encoder *encoder)
3569 {
3570         struct drm_device *dev = encoder->dev;
3571         struct amdgpu_device *adev = dev->dev_private;
3572
3573         /* need to call this here as we need the crtc set up */
3574         amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3575         amdgpu_atombios_scratch_regs_lock(adev, false);
3576 }
3577
3578 static void dce_v11_0_encoder_disable(struct drm_encoder *encoder)
3579 {
3580         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3581         struct amdgpu_encoder_atom_dig *dig;
3582
3583         amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3584
3585         if (amdgpu_atombios_encoder_is_digital(encoder)) {
3586                 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
3587                         dce_v11_0_afmt_enable(encoder, false);
3588                 dig = amdgpu_encoder->enc_priv;
3589                 dig->dig_encoder = -1;
3590         }
3591         amdgpu_encoder->active_device = 0;
3592 }
3593
3594 /* these are handled by the primary encoders */
3595 static void dce_v11_0_ext_prepare(struct drm_encoder *encoder)
3596 {
3597
3598 }
3599
3600 static void dce_v11_0_ext_commit(struct drm_encoder *encoder)
3601 {
3602
3603 }
3604
3605 static void
3606 dce_v11_0_ext_mode_set(struct drm_encoder *encoder,
3607                       struct drm_display_mode *mode,
3608                       struct drm_display_mode *adjusted_mode)
3609 {
3610
3611 }
3612
3613 static void dce_v11_0_ext_disable(struct drm_encoder *encoder)
3614 {
3615
3616 }
3617
3618 static void
3619 dce_v11_0_ext_dpms(struct drm_encoder *encoder, int mode)
3620 {
3621
3622 }
3623
3624 static bool dce_v11_0_ext_mode_fixup(struct drm_encoder *encoder,
3625                                     const struct drm_display_mode *mode,
3626                                     struct drm_display_mode *adjusted_mode)
3627 {
3628         return true;
3629 }
3630
3631 static const struct drm_encoder_helper_funcs dce_v11_0_ext_helper_funcs = {
3632         .dpms = dce_v11_0_ext_dpms,
3633         .mode_fixup = dce_v11_0_ext_mode_fixup,
3634         .prepare = dce_v11_0_ext_prepare,
3635         .mode_set = dce_v11_0_ext_mode_set,
3636         .commit = dce_v11_0_ext_commit,
3637         .disable = dce_v11_0_ext_disable,
3638         /* no detect for TMDS/LVDS yet */
3639 };
3640
3641 static const struct drm_encoder_helper_funcs dce_v11_0_dig_helper_funcs = {
3642         .dpms = amdgpu_atombios_encoder_dpms,
3643         .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3644         .prepare = dce_v11_0_encoder_prepare,
3645         .mode_set = dce_v11_0_encoder_mode_set,
3646         .commit = dce_v11_0_encoder_commit,
3647         .disable = dce_v11_0_encoder_disable,
3648         .detect = amdgpu_atombios_encoder_dig_detect,
3649 };
3650
3651 static const struct drm_encoder_helper_funcs dce_v11_0_dac_helper_funcs = {
3652         .dpms = amdgpu_atombios_encoder_dpms,
3653         .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3654         .prepare = dce_v11_0_encoder_prepare,
3655         .mode_set = dce_v11_0_encoder_mode_set,
3656         .commit = dce_v11_0_encoder_commit,
3657         .detect = amdgpu_atombios_encoder_dac_detect,
3658 };
3659
3660 static void dce_v11_0_encoder_destroy(struct drm_encoder *encoder)
3661 {
3662         struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3663         if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3664                 amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3665         kfree(amdgpu_encoder->enc_priv);
3666         drm_encoder_cleanup(encoder);
3667         kfree(amdgpu_encoder);
3668 }
3669
3670 static const struct drm_encoder_funcs dce_v11_0_encoder_funcs = {
3671         .destroy = dce_v11_0_encoder_destroy,
3672 };
3673
3674 static void dce_v11_0_encoder_add(struct amdgpu_device *adev,
3675                                  uint32_t encoder_enum,
3676                                  uint32_t supported_device,
3677                                  u16 caps)
3678 {
3679         struct drm_device *dev = adev->ddev;
3680         struct drm_encoder *encoder;
3681         struct amdgpu_encoder *amdgpu_encoder;
3682
3683         /* see if we already added it */
3684         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3685                 amdgpu_encoder = to_amdgpu_encoder(encoder);
3686                 if (amdgpu_encoder->encoder_enum == encoder_enum) {
3687                         amdgpu_encoder->devices |= supported_device;
3688                         return;
3689                 }
3690
3691         }
3692
3693         /* add a new one */
3694         amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3695         if (!amdgpu_encoder)
3696                 return;
3697
3698         encoder = &amdgpu_encoder->base;
3699         switch (adev->mode_info.num_crtc) {
3700         case 1:
3701                 encoder->possible_crtcs = 0x1;
3702                 break;
3703         case 2:
3704         default:
3705                 encoder->possible_crtcs = 0x3;
3706                 break;
3707         case 4:
3708                 encoder->possible_crtcs = 0xf;
3709                 break;
3710         case 6:
3711                 encoder->possible_crtcs = 0x3f;
3712                 break;
3713         }
3714
3715         amdgpu_encoder->enc_priv = NULL;
3716
3717         amdgpu_encoder->encoder_enum = encoder_enum;
3718         amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3719         amdgpu_encoder->devices = supported_device;
3720         amdgpu_encoder->rmx_type = RMX_OFF;
3721         amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3722         amdgpu_encoder->is_ext_encoder = false;
3723         amdgpu_encoder->caps = caps;
3724
3725         switch (amdgpu_encoder->encoder_id) {
3726         case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3727         case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3728                 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3729                                  DRM_MODE_ENCODER_DAC, NULL);
3730                 drm_encoder_helper_add(encoder, &dce_v11_0_dac_helper_funcs);
3731                 break;
3732         case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3733         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3734         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3735         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3736         case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3737                 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3738                         amdgpu_encoder->rmx_type = RMX_FULL;
3739                         drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3740                                          DRM_MODE_ENCODER_LVDS, NULL);
3741                         amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3742                 } else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3743                         drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3744                                          DRM_MODE_ENCODER_DAC, NULL);
3745                         amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3746                 } else {
3747                         drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3748                                          DRM_MODE_ENCODER_TMDS, NULL);
3749                         amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3750                 }
3751                 drm_encoder_helper_add(encoder, &dce_v11_0_dig_helper_funcs);
3752                 break;
3753         case ENCODER_OBJECT_ID_SI170B:
3754         case ENCODER_OBJECT_ID_CH7303:
3755         case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3756         case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3757         case ENCODER_OBJECT_ID_TITFP513:
3758         case ENCODER_OBJECT_ID_VT1623:
3759         case ENCODER_OBJECT_ID_HDMI_SI1930:
3760         case ENCODER_OBJECT_ID_TRAVIS:
3761         case ENCODER_OBJECT_ID_NUTMEG:
3762                 /* these are handled by the primary encoders */
3763                 amdgpu_encoder->is_ext_encoder = true;
3764                 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3765                         drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3766                                          DRM_MODE_ENCODER_LVDS, NULL);
3767                 else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3768                         drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3769                                          DRM_MODE_ENCODER_DAC, NULL);
3770                 else
3771                         drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3772                                          DRM_MODE_ENCODER_TMDS, NULL);
3773                 drm_encoder_helper_add(encoder, &dce_v11_0_ext_helper_funcs);
3774                 break;
3775         }
3776 }
3777
3778 static const struct amdgpu_display_funcs dce_v11_0_display_funcs = {
3779         .set_vga_render_state = &dce_v11_0_set_vga_render_state,
3780         .bandwidth_update = &dce_v11_0_bandwidth_update,
3781         .vblank_get_counter = &dce_v11_0_vblank_get_counter,
3782         .vblank_wait = &dce_v11_0_vblank_wait,
3783         .is_display_hung = &dce_v11_0_is_display_hung,
3784         .backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3785         .backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3786         .hpd_sense = &dce_v11_0_hpd_sense,
3787         .hpd_set_polarity = &dce_v11_0_hpd_set_polarity,
3788         .hpd_get_gpio_reg = &dce_v11_0_hpd_get_gpio_reg,
3789         .page_flip = &dce_v11_0_page_flip,
3790         .page_flip_get_scanoutpos = &dce_v11_0_crtc_get_scanoutpos,
3791         .add_encoder = &dce_v11_0_encoder_add,
3792         .add_connector = &amdgpu_connector_add,
3793         .stop_mc_access = &dce_v11_0_stop_mc_access,
3794         .resume_mc_access = &dce_v11_0_resume_mc_access,
3795 };
3796
3797 static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev)
3798 {
3799         if (adev->mode_info.funcs == NULL)
3800                 adev->mode_info.funcs = &dce_v11_0_display_funcs;
3801 }
3802
3803 static const struct amdgpu_irq_src_funcs dce_v11_0_crtc_irq_funcs = {
3804         .set = dce_v11_0_set_crtc_irq_state,
3805         .process = dce_v11_0_crtc_irq,
3806 };
3807
3808 static const struct amdgpu_irq_src_funcs dce_v11_0_pageflip_irq_funcs = {
3809         .set = dce_v11_0_set_pageflip_irq_state,
3810         .process = dce_v11_0_pageflip_irq,
3811 };
3812
3813 static const struct amdgpu_irq_src_funcs dce_v11_0_hpd_irq_funcs = {
3814         .set = dce_v11_0_set_hpd_irq_state,
3815         .process = dce_v11_0_hpd_irq,
3816 };
3817
3818 static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev)
3819 {
3820         adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_LAST;
3821         adev->crtc_irq.funcs = &dce_v11_0_crtc_irq_funcs;
3822
3823         adev->pageflip_irq.num_types = AMDGPU_PAGEFLIP_IRQ_LAST;
3824         adev->pageflip_irq.funcs = &dce_v11_0_pageflip_irq_funcs;
3825
3826         adev->hpd_irq.num_types = AMDGPU_HPD_LAST;
3827         adev->hpd_irq.funcs = &dce_v11_0_hpd_irq_funcs;
3828 }