aboutsummaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/radeon/rs600.c
blob: b091a1f6fa4ed2b86dc1975717abbf017667c251 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
/*
 * Copyright 2008 Advanced Micro Devices, Inc.
 * Copyright 2008 Red Hat Inc.
 * Copyright 2009 Jerome Glisse.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Authors: Dave Airlie
 *          Alex Deucher
 *          Jerome Glisse
 */
/* RS600 / Radeon X1250/X1270 integrated GPU
 *
 * This file gather function specific to RS600 which is the IGP of
 * the X1250/X1270 family supporting intel CPU (while RS690/RS740
 * is the X1250/X1270 supporting AMD CPU). The display engine are
 * the avivo one, bios is an atombios, 3D block are the one of the
 * R4XX family. The GART is different from the RS400 one and is very
 * close to the one of the R600 family (R600 likely being an evolution
 * of the RS600 GART block).
 */
#include "drmP.h"
#include "radeon.h"
#include "radeon_asic.h"
#include "atom.h"
#include "rs600d.h"

#include "rs600_reg_safe.h"

void rs600_gpu_init(struct radeon_device *rdev);
int rs600_mc_wait_for_idle(struct radeon_device *rdev);

void rs600_pm_misc(struct radeon_device *rdev)
{
	int requested_index = rdev->pm.requested_power_state_index;
	struct radeon_power_state *ps = &rdev->pm.power_state[requested_index];
	struct radeon_voltage *voltage = &ps->clock_info[0].voltage;
	u32 tmp, dyn_pwrmgt_sclk_length, dyn_sclk_vol_cntl;
	u32 hdp_dyn_cntl, /*mc_host_dyn_cntl,*/ dyn_backbias_cntl;

	if ((voltage->type == VOLTAGE_GPIO) && (voltage->gpio.valid)) {
		if (ps->misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
			tmp = RREG32(voltage->gpio.reg);
			if (voltage->active_high)
				tmp |= voltage->gpio.mask;
			else
				tmp &= ~(voltage->gpio.mask);
			WREG32(voltage->gpio.reg, tmp);
			if (voltage->delay)
				udelay(voltage->delay);
		} else {
			tmp = RREG32(voltage->gpio.reg);
			if (voltage->active_high)
				tmp &= ~voltage->gpio.mask;
			else
				tmp |= voltage->gpio.mask;
			WREG32(voltage->gpio.reg, tmp);
			if (voltage->delay)
				udelay(voltage->delay);
		}
	} else if (voltage->type == VOLTAGE_VDDC)
		radeon_atom_set_voltage(rdev, voltage->vddc_id);

	dyn_pwrmgt_sclk_length = RREG32_PLL(DYN_PWRMGT_SCLK_LENGTH);
	dyn_pwrmgt_sclk_length &= ~REDUCED_POWER_SCLK_HILEN(0xf);
	dyn_pwrmgt_sclk_length &= ~REDUCED_POWER_SCLK_LOLEN(0xf);
	if (ps->misc & ATOM_PM_MISCINFO_ASIC_REDUCED_SPEED_SCLK_EN) {
		if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_2) {
			dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(2);
			dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(2);
		} else if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_4) {
			dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(4);
			dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(4);
		}
	} else {
		dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(1);
		dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(1);
	}
	WREG32_PLL(DYN_PWRMGT_SCLK_LENGTH, dyn_pwrmgt_sclk_length);

	dyn_sclk_vol_cntl = RREG32_PLL(DYN_SCLK_VOL_CNTL);
	if (ps->misc & ATOM_PM_MISCINFO_ASIC_DYNAMIC_VOLTAGE_EN) {
		dyn_sclk_vol_cntl |= IO_CG_VOLTAGE_DROP;
		if (voltage->delay) {
			dyn_sclk_vol_cntl |= VOLTAGE_DROP_SYNC;
			dyn_sclk_vol_cntl |= VOLTAGE_DELAY_SEL(voltage->delay);
		} else
			dyn_sclk_vol_cntl &= ~VOLTAGE_DROP_SYNC;
	} else
		dyn_sclk_vol_cntl &= ~IO_CG_VOLTAGE_DROP;
	WREG32_PLL(DYN_SCLK_VOL_CNTL, dyn_sclk_vol_cntl);

	hdp_dyn_cntl = RREG32_PLL(HDP_DYN_CNTL);
	if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_HDP_BLOCK_EN)
		hdp_dyn_cntl &= ~HDP_FORCEON;
	else
		hdp_dyn_cntl |= HDP_FORCEON;
	WREG32_PLL(HDP_DYN_CNTL, hdp_dyn_cntl);
#if 0
	/* mc_host_dyn seems to cause hangs from time to time */
	mc_host_dyn_cntl = RREG32_PLL(MC_HOST_DYN_CNTL);
	if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_MC_HOST_BLOCK_EN)
		mc_host_dyn_cntl &= ~MC_HOST_FORCEON;
	else
		mc_host_dyn_cntl |= MC_HOST_FORCEON;
	WREG32_PLL(MC_HOST_DYN_CNTL, mc_host_dyn_cntl);
#endif
	dyn_backbias_cntl = RREG32_PLL(DYN_BACKBIAS_CNTL);
	if (ps->misc & ATOM_PM_MISCINFO2_DYNAMIC_BACK_BIAS_EN)
		dyn_backbias_cntl |= IO_CG_BACKBIAS_EN;
	else
		dyn_backbias_cntl &= ~IO_CG_BACKBIAS_EN;
	WREG32_PLL(DYN_BACKBIAS_CNTL, dyn_backbias_cntl);

	/* set pcie lanes */
	if ((rdev->flags & RADEON_IS_PCIE) &&
	    !(rdev->flags & RADEON_IS_IGP) &&
	    rdev->asic->set_pcie_lanes &&
	    (ps->pcie_lanes !=
	     rdev->pm.power_state[rdev->pm.current_power_state_index].pcie_lanes)) {
		radeon_set_pcie_lanes(rdev,
				      ps->pcie_lanes);
		DRM_DEBUG("Setting: p: %d\n", ps->pcie_lanes);
	}
}

void rs600_pm_prepare(struct radeon_device *rdev)
{
	struct drm_device *ddev = rdev->ddev;
	struct drm_crtc *crtc;
	struct radeon_crtc *radeon_crtc;
	u32 tmp;

	/* disable any active CRTCs */
	list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
		radeon_crtc = to_radeon_crtc(crtc);
		if (radeon_crtc->enabled) {
			tmp = RREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset);
			tmp |= AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
			WREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
		}
	}
}

void rs600_pm_finish(struct radeon_device *rdev)
{
	struct drm_device *ddev = rdev->ddev;
	struct drm_crtc *crtc;
	struct radeon_crtc *radeon_crtc;
	u32 tmp;

	/* enable any active CRTCs */
	list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
		radeon_crtc = to_radeon_crtc(crtc);
		if (radeon_crtc->enabled) {
			tmp = RREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset);
			tmp &= ~AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
			WREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
		}
	}
}

/* hpd for digital panel detect/disconnect */
bool rs600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
{
	u32 tmp;
	bool connected = false;

	switch (hpd) {
	case RADEON_HPD_1:
		tmp = RREG32(R_007D04_DC_HOT_PLUG_DETECT1_INT_STATUS);
		if (G_007D04_DC_HOT_PLUG_DETECT1_SENSE(tmp))
			connected = true;
		break;
	case RADEON_HPD_2:
		tmp = RREG32(R_007D14_DC_HOT_PLUG_DETECT2_INT_STATUS);
		if (G_007D14_DC_HOT_PLUG_DETECT2_SENSE(tmp))
			connected = true;
		break;
	default:
		break;
	}
	return connected;
}

void rs600_hpd_set_polarity(struct radeon_device *rdev,
			    enum radeon_hpd_id hpd)
{
	u32 tmp;
	bool connected = rs600_hpd_sense(rdev, hpd);

	switch (hpd) {
	case RADEON_HPD_1:
		tmp = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL);
		if (connected)
			tmp &= ~S_007D08_DC_HOT_PLUG_DETECT1_INT_POLARITY(1);
		else
			tmp |= S_007D08_DC_HOT_PLUG_DETECT1_INT_POLARITY(1);
		WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
		break;
	case RADEON_HPD_2:
		tmp = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL);
		if (connected)
			tmp &= ~S_007D18_DC_HOT_PLUG_DETECT2_INT_POLARITY(1);
		else
			tmp |= S_007D18_DC_HOT_PLUG_DETECT2_INT_POLARITY(1);
		WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
		break;
	default:
		break;
	}
}

void rs600_hpd_init(struct radeon_device *rdev)
{
	struct drm_device *dev = rdev->ddev;
	struct drm_connector *connector;

	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
		switch (radeon_connector->hpd.hpd) {
		case RADEON_HPD_1:
			WREG32(R_007D00_DC_HOT_PLUG_DETECT1_CONTROL,
			       S_007D00_DC_HOT_PLUG_DETECT1_EN(1));
			rdev->irq.hpd[0] = true;
			break;
		case RADEON_HPD_2:
			WREG32(R_007D10_DC_HOT_PLUG_DETECT2_CONTROL,
			       S_007D10_DC_HOT_PLUG_DETECT2_EN(1));
			rdev->irq.hpd[1] = true;
			break;
		default:
			break;
		}
	}
	if (rdev->irq.installed)
		rs600_irq_set(rdev);
}

void rs600_hpd_fini(struct radeon_device *rdev)
{
	struct drm_device *dev = rdev->ddev;
	struct drm_connector *connector;

	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
		switch (radeon_connector->hpd.hpd) {
		case RADEON_HPD_1:
			WREG32(R_007D00_DC_HOT_PLUG_DETECT1_CONTROL,
			       S_007D00_DC_HOT_PLUG_DETECT1_EN(0));
			rdev->irq.hpd[0] = false;
			break;
		case RADEON_HPD_2:
			WREG32(R_007D10_DC_HOT_PLUG_DETECT2_CONTROL,
			       S_007D10_DC_HOT_PLUG_DETECT2_EN(0));
			rdev->irq.hpd[1] = false;
			break;
		default:
			break;
		}
	}
}

void rs600_bm_disable(struct radeon_device *rdev)
{
	u32 tmp;

	/* disable bus mastering */
	pci_read_config_word(rdev->pdev, 0x4, (u16*)&tmp);
	pci_write_config_word(rdev->pdev, 0x4, tmp & 0xFFFB);
	mdelay(1);
}

int rs600_asic_reset(struct radeon_device *rdev)
{
	u32 status, tmp;

	struct rv515_mc_save save;

	/* Stops all mc clients */
	rv515_mc_stop(rdev, &save);
	status = RREG32(R_000E40_RBBM_STATUS);
	if (!G_000E40_GUI_ACTIVE(status)) {
		return 0;
	}
	status = RREG32(R_000E40_RBBM_STATUS);
	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
	/* stop CP */
	WREG32(RADEON_CP_CSQ_CNTL, 0);
	tmp = RREG32(RADEON_CP_RB_CNTL);
	WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
	WREG32(RADEON_CP_RB_RPTR_WR, 0);
	WREG32(RADEON_CP_RB_WPTR, 0);
	WREG32(RADEON_CP_RB_CNTL, tmp);
	pci_save_state(rdev->pdev);
	/* disable bus mastering */
	rs600_bm_disable(rdev);
	/* reset GA+VAP */
	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) |
					S_0000F0_SOFT_RESET_GA(1));
	RREG32(R_0000F0_RBBM_SOFT_RESET);
	mdelay(500);
	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
	mdelay(1);
	status = RREG32(R_000E40_RBBM_STATUS);
	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
	/* reset CP */
	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
	RREG32(R_0000F0_RBBM_SOFT_RESET);
	mdelay(500);
	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
	mdelay(1);
	status = RREG32(R_000E40_RBBM_STATUS);
	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
	/* reset MC */
	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_MC(1));
	RREG32(R_0000F0_RBBM_SOFT_RESET);
	mdelay(500);
	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
	mdelay(1);
	status = RREG32(R_000E40_RBBM_STATUS);
	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
	/* restore PCI & busmastering */
	pci_restore_state(rdev->pdev);
	/* Check if GPU is idle */
	if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) {
		dev_err(rdev->dev, "failed to reset GPU\n");
		rdev->gpu_lockup = true;
		return -1;
	}
	rv515_mc_resume(rdev, &save);
	dev_info(rdev->dev, "GPU reset succeed\n");
	return 0;
}

/*
 * GART.
 */
void rs600_gart_tlb_flush(struct radeon_device *rdev)
{
	uint32_t tmp;

	tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
	tmp &= C_000100_INVALIDATE_ALL_L1_TLBS & C_000100_INVALIDATE_L2_CACHE;
	WREG32_MC(R_000100_MC_PT0_CNTL, tmp);

	tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
	tmp |= S_000100_INVALIDATE_ALL_L1_TLBS(1) | S_000100_INVALIDATE_L2_CACHE(1);
	WREG32_MC(R_000100_MC_PT0_CNTL, tmp);

	tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
	tmp &= C_000100_INVALIDATE_ALL_L1_TLBS & C_000100_INVALIDATE_L2_CACHE;
	WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
	tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
}

int rs600_gart_init(struct radeon_device *rdev)
{
	int r;

	if (rdev->gart.table.vram.robj) {
		WARN(1, "RS600 GART already initialized.\n");
		return 0;
	}
	/* Initialize common gart structure */
	r = radeon_gart_init(rdev);
	if (r) {
		return r;
	}
	rdev->gart.table_size = rdev->gart.num_gpu_pages * 8;
	return radeon_gart_table_vram_alloc(rdev);
}

int rs600_gart_enable(struct radeon_device *rdev)
{
	u32 tmp;
	int r, i;

	if (rdev->gart.table.vram.robj == NULL) {
		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
		return -EINVAL;
	}
	r = radeon_gart_table_vram_pin(rdev);
	if (r)
		return r;
	radeon_gart_restore(rdev);
	/* Enable bus master */
	tmp = RREG32(R_00004C_BUS_CNTL) & C_00004C_BUS_MASTER_DIS;
	WREG32(R_00004C_BUS_CNTL, tmp);
	/* FIXME: setup default page */
	WREG32_MC(R_000100_MC_PT0_CNTL,
		  (S_000100_EFFECTIVE_L2_CACHE_SIZE(6) |
		   S_000100_EFFECTIVE_L2_QUEUE_SIZE(6)));

	for (i = 0; i < 19; i++) {
		WREG32_MC(R_00016C_MC_PT0_CLIENT0_CNTL + i,
			  S_00016C_ENABLE_TRANSLATION_MODE_OVERRIDE(1) |
			  S_00016C_SYSTEM_ACCESS_MODE_MASK(
				  V_00016C_SYSTEM_ACCESS_MODE_NOT_IN_SYS) |
			  S_00016C_SYSTEM_APERTURE_UNMAPPED_ACCESS(
				  V_00016C_SYSTEM_APERTURE_UNMAPPED_PASSTHROUGH) |
			  S_00016C_EFFECTIVE_L1_CACHE_SIZE(3) |
			  S_00016C_ENABLE_FRAGMENT_PROCESSING(1) |
			  S_00016C_EFFECTIVE_L1_QUEUE_SIZE(3));
	}
	/* enable first context */
	WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL,
		  S_000102_ENABLE_PAGE_TABLE(1) |
		  S_000102_PAGE_TABLE_DEPTH(V_000102_PAGE_TABLE_FLAT));

	/* disable all other contexts */
	for (i = 1; i < 8; i++)
		WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL + i, 0);

	/* setup the page table */
	WREG32_MC(R_00012C_MC_PT0_CONTEXT0_FLAT_BASE_ADDR,
		  rdev->gart.table_addr);
	WREG32_MC(R_00013C_MC_PT0_CONTEXT0_FLAT_START_ADDR, rdev->mc.gtt_start);
	WREG32_MC(R_00014C_MC_PT0_CONTEXT0_FLAT_END_ADDR, rdev->mc.gtt_end);
	WREG32_MC(R_00011C_MC_PT0_CONTEXT0_DEFAULT_READ_ADDR, 0);

	/* System context maps to VRAM space */
	WREG32_MC(R_000112_MC_PT0_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start);
	WREG32_MC(R_000114_MC_PT0_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end);

	/* enable page tables */
	tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
	WREG32_MC(R_000100_MC_PT0_CNTL, (tmp | S_000100_ENABLE_PT(1)));
	tmp = RREG32_MC(R_000009_MC_CNTL1);
	WREG32_MC(R_000009_MC_CNTL1, (tmp | S_000009_ENABLE_PAGE_TABLES(1)));
	rs600_gart_tlb_flush(rdev);
	rdev->gart.ready = true;
	return 0;
}

void rs600_gart_disable(struct radeon_device *rdev)
{
	u32 tmp;
	int r;

	/* FIXME: disable out of gart access */
	WREG32_MC(R_000100_MC_PT0_CNTL, 0);
	tmp = RREG32_MC(R_000009_MC_CNTL1);
	WREG32_MC(R_000009_MC_CNTL1, tmp & C_000009_ENABLE_PAGE_TABLES);
	if (rdev->gart.table.vram.robj) {
		r = radeon_bo_reserve(rdev->gart.table.vram.robj, false);
		if (r == 0) {
			radeon_bo_kunmap(rdev->gart.table.vram.robj);
			radeon_bo_unpin(rdev->gart.table.vram.robj);
			radeon_bo_unreserve(rdev->gart.table.vram.robj);
		}
	}
}

void rs600_gart_fini(struct radeon_device *rdev)
{
	radeon_gart_fini(rdev);
	rs600_gart_disable(rdev);
	radeon_gart_table_vram_free(rdev);
}

#define R600_PTE_VALID     (1 << 0)
#define R600_PTE_SYSTEM    (1 << 1)
#define R600_PTE_SNOOPED   (1 << 2)
#define R600_PTE_READABLE  (1 << 5)
#define R600_PTE_WRITEABLE (1 << 6)

int rs600_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
{
	void __iomem *ptr = (void *)rdev->gart.table.vram.ptr;

	if (i < 0 || i > rdev->gart.num_gpu_pages) {
		return -EINVAL;
	}
	addr = addr & 0xFFFFFFFFFFFFF000ULL;
	addr |= R600_PTE_VALID | R600_PTE_SYSTEM | R600_PTE_SNOOPED;
	addr |= R600_PTE_READABLE | R600_PTE_WRITEABLE;
	writeq(addr, ((void __iomem *)ptr) + (i * 8));
	return 0;
}

int rs600_irq_set(struct radeon_device *rdev)
{
	uint32_t tmp = 0;
	uint32_t mode_int = 0;
	u32 hpd1 = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL) &
		~S_007D08_DC_HOT_PLUG_DETECT1_INT_EN(1);
	u32 hpd2 = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL) &
		~S_007D18_DC_HOT_PLUG_DETECT2_INT_EN(1);

	if (!rdev->irq.installed) {
		WARN(1, "Can't enable IRQ/MSI because no handler is installed.\n");
		WREG32(R_000040_GEN_INT_CNTL, 0);
		return -EINVAL;
	}
	if (rdev->irq.sw_int) {
		tmp |= S_000040_SW_INT_EN(1);
	}
	if (rdev->irq.gui_idle) {
		tmp |= S_000040_GUI_IDLE(1);
	}
	if (rdev->irq.crtc_vblank_int[0]) {
		mode_int |= S_006540_D1MODE_VBLANK_INT_MASK(1);
	}
	if (rdev->irq.crtc_vblank_int[1]) {
		mode_int |= S_006540_D2MODE_VBLANK_INT_MASK(1);
	}
	if (rdev->irq.hpd[0]) {
		hpd1 |= S_007D08_DC_HOT_PLUG_DETECT1_INT_EN(1);
	}
	if (rdev->irq.hpd[1]) {
		hpd2 |= S_007D18_DC_HOT_PLUG_DETECT2_INT_EN(1);
	}
	WREG32(R_000040_GEN_INT_CNTL, tmp);
	WREG32(R_006540_DxMODE_INT_MASK, mode_int);
	WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, hpd1);
	WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2);
	return 0;
}

static inline uint32_t rs600_irq_ack(struct radeon_device *rdev, u32 *r500_disp_int)
{
	uint32_t irqs = RREG32(R_000044_GEN_INT_STATUS);
	uint32_t irq_mask = S_000044_SW_INT(1);
	u32 tmp;

	/* the interrupt works, but the status bit is permanently asserted */
	if (rdev->irq.gui_idle && radeon_gui_idle(rdev)) {
		if (!rdev->irq.gui_idle_acked)
			irq_mask |= S_000044_GUI_IDLE_STAT(1);
	}

	if (G_000044_DISPLAY_INT_STAT(irqs)) {
		*r500_disp_int = RREG32(R_007EDC_DISP_INTERRUPT_STATUS);
		if (G_007EDC_LB_D1_VBLANK_INTERRUPT(*r500_disp_int)) {
			WREG32(R_006534_D1MODE_VBLANK_STATUS,
				S_006534_D1MODE_VBLANK_ACK(1));
		}
		if (G_007EDC_LB_D2_VBLANK_INTERRUPT(*r500_disp_int)) {
			WREG32(R_006D34_D2MODE_VBLANK_STATUS,
				S_006D34_D2MODE_VBLANK_ACK(1));
		}
		if (G_007EDC_DC_HOT_PLUG_DETECT1_INTERRUPT(*r500_disp_int)) {
			tmp = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL);
			tmp |= S_007D08_DC_HOT_PLUG_DETECT1_INT_ACK(1);
			WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
		}
		if (G_007EDC_DC_HOT_PLUG_DETECT2_INTERRUPT(*r500_disp_int)) {
			tmp = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL);
			tmp |= S_007D18_DC_HOT_PLUG_DETECT2_INT_ACK(1);
			WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
		}
	} else {
		*r500_disp_int = 0;
	}

	if (irqs) {
		WREG32(R_000044_GEN_INT_STATUS, irqs);
	}
	return irqs & irq_mask;
}

void rs600_irq_disable(struct radeon_device *rdev)
{
	u32 tmp;

	WREG32(R_000040_GEN_INT_CNTL, 0);
	WREG32(R_006540_DxMODE_INT_MASK, 0);
	/* Wait and acknowledge irq */
	mdelay(1);
	rs600_irq_ack(rdev, &tmp);
}

int rs600_irq_process(struct radeon_device *rdev)
{
	uint32_t status, msi_rearm;
	uint32_t r500_disp_int;
	bool queue_hotplug = false;

	/* reset gui idle ack.  the status bit is broken */
	rdev->irq.gui_idle_acked = false;

	status = rs600_irq_ack(rdev, &r500_disp_int);
	if (!status && !r500_disp_int) {
		return IRQ_NONE;
	}
	while (status || r500_disp_int) {
		/* SW interrupt */
		if (G_000044_SW_INT(status))
			radeon_fence_process(rdev);
		/* GUI idle */
		if (G_000040_GUI_IDLE(status)) {
			rdev->irq.gui_idle_acked = true;
			rdev->pm.gui_idle = true;
			wake_up(&rdev->irq.idle_queue);
		}
		/* Vertical blank interrupts */
		if (G_007EDC_LB_D1_VBLANK_INTERRUPT(r500_disp_int)) {
			drm_handle_vblank(rdev->ddev, 0);
			rdev->pm.vblank_sync = true;
			wake_up(&rdev->irq.vblank_queue);
		}
		if (G_007EDC_LB_D2_VBLANK_INTERRUPT(r500_disp_int)) {
			drm_handle_vblank(rdev->ddev, 1);
			rdev->pm.vblank_sync = true;
			wake_up(&rdev->irq.vblank_queue);
		}
		if (G_007EDC_DC_HOT_PLUG_DETECT1_INTERRUPT(r500_disp_int)) {
			queue_hotplug = true;
			DRM_DEBUG("HPD1\n");
		}
		if (G_007EDC_DC_HOT_PLUG_DETECT2_INTERRUPT(r500_disp_int)) {
			queue_hotplug = true;
			DRM_DEBUG("HPD2\n");
		}
		status = rs600_irq_ack(rdev, &r500_disp_int);
	}
	/* reset gui idle ack.  the status bit is broken */
	rdev->irq.gui_idle_acked = false;
	if (queue_hotplug)
		queue_work(rdev->wq, &rdev->hotplug_work);
	if (rdev->msi_enabled) {
		switch (rdev->family) {
		case CHIP_RS600:
		case CHIP_RS690:
		case CHIP_RS740:
			msi_rearm = RREG32(RADEON_BUS_CNTL) & ~RS600_MSI_REARM;
			WREG32(RADEON_BUS_CNTL, msi_rearm);
			WREG32(RADEON_BUS_CNTL, msi_rearm | RS600_MSI_REARM);
			break;
		default:
			msi_rearm = RREG32(RADEON_MSI_REARM_EN) & ~RV370_MSI_REARM_EN;
			WREG32(RADEON_MSI_REARM_EN, msi_rearm);
			WREG32(RADEON_MSI_REARM_EN, msi_rearm | RV370_MSI_REARM_EN);
			break;
		}
	}
	return IRQ_HANDLED;
}

u32 rs600_get_vblank_counter(struct radeon_device *rdev, int crtc)
{
	if (crtc == 0)
		return RREG32(R_0060A4_D1CRTC_STATUS_FRAME_COUNT);
	else
		return RREG32(R_0068A4_D2CRTC_STATUS_FRAME_COUNT);
}

int rs600_mc_wait_for_idle(struct radeon_device *rdev)
{
	unsigned i;

	for (i = 0; i < rdev->usec_timeout; i++) {
		if (G_000000_MC_IDLE(RREG32_MC(R_000000_MC_STATUS)))
			return 0;
		udelay(1);
	}
	return -1;
}

void rs600_gpu_init(struct radeon_device *rdev)
{
	r420_pipes_init(rdev);
	/* Wait for mc idle */
	if (rs600_mc_wait_for_idle(rdev))
		dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
}

void rs600_mc_init(struct radeon_device *rdev)
{
	u64 base;

	rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
	rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
	rdev->mc.vram_is_ddr = true;
	rdev->mc.vram_width = 128;
	rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
	rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
	rdev->mc.visible_vram_size = rdev->mc.aper_size;
	rdev->mc.active_vram_size = rdev->mc.visible_vram_size;
	rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
	base = RREG32_MC(R_000004_MC_FB_LOCATION);
	base = G_000004_MC_FB_START(base) << 16;
	radeon_vram_location(rdev, &rdev->mc, base);
	rdev->mc.gtt_base_align = 0;
	radeon_gtt_location(rdev, &rdev->mc);
	radeon_update_bandwidth_info(rdev);
}

void rs600_bandwidth_update(struct radeon_device *rdev)
{
	struct drm_display_mode *mode0 = NULL;
	struct drm_display_mode *mode1 = NULL;
	u32 d1mode_priority_a_cnt, d2mode_priority_a_cnt;
	/* FIXME: implement full support */

	radeon_update_display_priority(rdev);

	if (rdev->mode_info.crtcs[0]->base.enabled)
		mode0 = &rdev->mode_info.crtcs[0]->base.mode;
	if (rdev->mode_info.crtcs[1]->base.enabled)
		mode1 = &rdev->mode_info.crtcs[1]->base.mode;

	rs690_line_buffer_adjust(rdev, mode0, mode1);

	if (rdev->disp_priority == 2) {
		d1mode_priority_a_cnt = RREG32(R_006548_D1MODE_PRIORITY_A_CNT);
		d2mode_priority_a_cnt = RREG32(R_006D48_D2MODE_PRIORITY_A_CNT);
		d1mode_priority_a_cnt |= S_006548_D1MODE_PRIORITY_A_ALWAYS_ON(1);
		d2mode_priority_a_cnt |= S_006D48_D2MODE_PRIORITY_A_ALWAYS_ON(1);
		WREG32(R_006548_D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
		WREG32(R_00654C_D1MODE_PRIORITY_B_CNT, d1mode_priority_a_cnt);
		WREG32(R_006D48_D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
		WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT, d2mode_priority_a_cnt);
	}
}

uint32_t rs600_mc_rreg(struct radeon_device *rdev, uint32_t reg)
{
	WREG32(R_000070_MC_IND_INDEX, S_000070_MC_IND_ADDR(reg) |
		S_000070_MC_IND_CITF_ARB0(1));
	return RREG32(R_000074_MC_IND_DATA);
}

void rs600_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
{
	WREG32(R_000070_MC_IND_INDEX, S_000070_MC_IND_ADDR(reg) |
		S_000070_MC_IND_CITF_ARB0(1) | S_000070_MC_IND_WR_EN(1));
	WREG32(R_000074_MC_IND_DATA, v);
}

void rs600_debugfs(struct radeon_device *rdev)
{
	if (r100_debugfs_rbbm_init(rdev))
		DRM_ERROR("Failed to register debugfs file for RBBM !\n");
}

void rs600_set_safe_registers(struct radeon_device *rdev)
{
	rdev->config.r300.reg_safe_bm = rs600_reg_safe_bm;
	rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(rs600_reg_safe_bm);
}

static void rs600_mc_program(struct radeon_device *rdev)
{
	struct rv515_mc_save save;

	/* Stops all mc clients */
	rv515_mc_stop(rdev, &save);

	/* Wait for mc idle */
	if (rs600_mc_wait_for_idle(rdev))
		dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");

	/* FIXME: What does AGP means for such chipset ? */
	WREG32_MC(R_000005_MC_AGP_LOCATION, 0x0FFFFFFF);
	WREG32_MC(R_000006_AGP_BASE, 0);
	WREG32_MC(R_000007_AGP_BASE_2, 0);
	/* Program MC */
	WREG32_MC(R_000004_MC_FB_LOCATION,
			S_000004_MC_FB_START(rdev->mc.vram_start >> 16) |
			S_000004_MC_FB_TOP(rdev->mc.vram_end >> 16));
	WREG32(R_000134_HDP_FB_LOCATION,
		S_000134_HDP_FB_START(rdev->mc.vram_start >> 16));

	rv515_mc_resume(rdev, &save);
}

static int rs600_startup(struct radeon_device *rdev)
{
	int r;

	rs600_mc_program(rdev);
	/* Resume clock */
	rv515_clock_startup(rdev);
	/* Initialize GPU configuration (# pipes, ...) */
	rs600_gpu_init(rdev);
	/* Initialize GART (initialize after TTM so we can allocate
	 * memory through TTM but finalize after TTM) */
	r = rs600_gart_enable(rdev);
	if (r)
		return r;

	/* allocate wb buffer */
	r = radeon_wb_init(rdev);
	if (r)
		return r;

	/* Enable IRQ */
	rs600_irq_set(rdev);
	rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
	/* 1M ring buffer */
	r = r100_cp_init(rdev, 1024 * 1024);
	if (r) {
		dev_err(rdev->dev, "failled initializing CP (%d).\n", r);
		return r;
	}
	r = r100_ib_init(rdev);
	if (r) {
		dev_err(rdev->dev, "failled initializing IB (%d).\n", r);
		return r;
	}

	r = r600_audio_init(rdev);
	if (r) {
		dev_err(rdev->dev, "failed initializing audio\n");
		return r;
	}

	return 0;
}

int rs600_resume(struct radeon_device *rdev)
{
	/* Make sur GART are not working */
	rs600_gart_disable(rdev);
	/* Resume clock before doing reset */
	rv515_clock_startup(rdev);
	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
	if (radeon_asic_reset(rdev)) {
		dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
			RREG32(R_000E40_RBBM_STATUS),
			RREG32(R_0007C0_CP_STAT));
	}
	/* post */
	atom_asic_init(rdev->mode_info.atom_context);
	/* Resume clock after posting */
	rv515_clock_startup(rdev);
	/* Initialize surface registers */
	radeon_surface_init(rdev);
	return rs600_startup(rdev);
}

int rs600_suspend(struct radeon_device *rdev)
{
	r600_audio_fini(rdev);
	r100_cp_disable(rdev);
	radeon_wb_disable(rdev);
	rs600_irq_disable(rdev);
	rs600_gart_disable(rdev);
	return 0;
}

void rs600_fini(struct radeon_device *rdev)
{
	r600_audio_fini(rdev);
	r100_cp_fini(rdev);
	radeon_wb_fini(rdev);
	r100_ib_fini(rdev);
	radeon_gem_fini(rdev);
	rs600_gart_fini(rdev);
	radeon_irq_kms_fini(rdev);
	radeon_fence_driver_fini(rdev);
	radeon_bo_fini(rdev);
	radeon_atombios_fini(rdev);
	kfree(rdev->bios);
	rdev->bios = NULL;
}

int rs600_init(struct radeon_device *rdev)
{
	int r;

	/* Disable VGA */
	rv515_vga_render_disable(rdev);
	/* Initialize scratch registers */
	radeon_scratch_init(rdev);
	/* Initialize surface registers */
	radeon_surface_init(rdev);
	/* restore some register to sane defaults */
	r100_restore_sanity(rdev);
	/* BIOS */
	if (!radeon_get_bios(rdev)) {
		if (ASIC_IS_AVIVO(rdev))
			return -EINVAL;
	}
	if (rdev->is_atom_bios) {
		r = radeon_atombios_init(rdev);
		if (r)
			return r;
	} else {
		dev_err(rdev->dev, "Expecting atombios for RS600 GPU\n");
		return -EINVAL;
	}
	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
	if (radeon_asic_reset(rdev)) {
		dev_warn(rdev->dev,
			"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
			RREG32(R_000E40_RBBM_STATUS),
			RREG32(R_0007C0_CP_STAT));
	}
	/* check if cards are posted or not */
	if (radeon_boot_test_post_card(rdev) == false)
		return -EINVAL;

	/* Initialize clocks */
	radeon_get_clock_info(rdev->ddev);
	/* initialize memory controller */
	rs600_mc_init(rdev);
	rs600_debugfs(rdev);
	/* Fence driver */
	r = radeon_fence_driver_init(rdev);
	if (r)
		return r;
	r = radeon_irq_kms_init(rdev);
	if (r)
		return r;
	/* Memory manager */
	r = radeon_bo_init(rdev);
	if (r)
		return r;
	r = rs600_gart_init(rdev);
	if (r)
		return r;
	rs600_set_safe_registers(rdev);
	rdev->accel_working = true;
	r = rs600_startup(rdev);
	if (r) {
		/* Somethings want wront with the accel init stop accel */
		dev_err(rdev->dev, "Disabling GPU acceleration\n");
		r100_cp_fini(rdev);
		radeon_wb_fini(rdev);
		r100_ib_fini(rdev);
		rs600_gart_fini(rdev);
		radeon_irq_kms_fini(rdev);
		rdev->accel_working = false;
	}
	return 0;
}