aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/bluetooth/btusb.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/bluetooth/btusb.c')
-rw-r--r--drivers/bluetooth/btusb.c28
1 files changed, 22 insertions, 6 deletions
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 6a010681ecf3..29ae99817c60 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -104,6 +104,9 @@ static struct usb_device_id blacklist_table[] = {
104 /* Broadcom BCM2046 */ 104 /* Broadcom BCM2046 */
105 { USB_DEVICE(0x0a5c, 0x2151), .driver_info = BTUSB_RESET }, 105 { USB_DEVICE(0x0a5c, 0x2151), .driver_info = BTUSB_RESET },
106 106
107 /* Apple MacBook Pro with Broadcom chip */
108 { USB_DEVICE(0x05ac, 0x820f), .driver_info = BTUSB_RESET },
109
107 /* IBM/Lenovo ThinkPad with Broadcom chip */ 110 /* IBM/Lenovo ThinkPad with Broadcom chip */
108 { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_RESET | BTUSB_WRONG_SCO_MTU }, 111 { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_RESET | BTUSB_WRONG_SCO_MTU },
109 { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_RESET | BTUSB_WRONG_SCO_MTU }, 112 { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_RESET | BTUSB_WRONG_SCO_MTU },
@@ -169,6 +172,7 @@ static struct usb_device_id blacklist_table[] = {
169struct btusb_data { 172struct btusb_data {
170 struct hci_dev *hdev; 173 struct hci_dev *hdev;
171 struct usb_device *udev; 174 struct usb_device *udev;
175 struct usb_interface *intf;
172 struct usb_interface *isoc; 176 struct usb_interface *isoc;
173 177
174 spinlock_t lock; 178 spinlock_t lock;
@@ -516,7 +520,7 @@ static int btusb_open(struct hci_dev *hdev)
516 520
517 err = btusb_submit_intr_urb(hdev); 521 err = btusb_submit_intr_urb(hdev);
518 if (err < 0) { 522 if (err < 0) {
519 clear_bit(BTUSB_INTR_RUNNING, &hdev->flags); 523 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
520 clear_bit(HCI_RUNNING, &hdev->flags); 524 clear_bit(HCI_RUNNING, &hdev->flags);
521 } 525 }
522 526
@@ -532,8 +536,10 @@ static int btusb_close(struct hci_dev *hdev)
532 if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) 536 if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
533 return 0; 537 return 0;
534 538
539 cancel_work_sync(&data->work);
540
535 clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 541 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
536 usb_kill_anchored_urbs(&data->intr_anchor); 542 usb_kill_anchored_urbs(&data->isoc_anchor);
537 543
538 clear_bit(BTUSB_BULK_RUNNING, &data->flags); 544 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
539 usb_kill_anchored_urbs(&data->bulk_anchor); 545 usb_kill_anchored_urbs(&data->bulk_anchor);
@@ -821,6 +827,7 @@ static int btusb_probe(struct usb_interface *intf,
821 } 827 }
822 828
823 data->udev = interface_to_usbdev(intf); 829 data->udev = interface_to_usbdev(intf);
830 data->intf = intf;
824 831
825 spin_lock_init(&data->lock); 832 spin_lock_init(&data->lock);
826 833
@@ -889,7 +896,7 @@ static int btusb_probe(struct usb_interface *intf,
889 896
890 if (data->isoc) { 897 if (data->isoc) {
891 err = usb_driver_claim_interface(&btusb_driver, 898 err = usb_driver_claim_interface(&btusb_driver,
892 data->isoc, NULL); 899 data->isoc, data);
893 if (err < 0) { 900 if (err < 0) {
894 hci_free_dev(hdev); 901 hci_free_dev(hdev);
895 kfree(data); 902 kfree(data);
@@ -921,13 +928,22 @@ static void btusb_disconnect(struct usb_interface *intf)
921 928
922 hdev = data->hdev; 929 hdev = data->hdev;
923 930
924 if (data->isoc) 931 __hci_dev_hold(hdev);
925 usb_driver_release_interface(&btusb_driver, data->isoc);
926 932
927 usb_set_intfdata(intf, NULL); 933 usb_set_intfdata(data->intf, NULL);
934
935 if (data->isoc)
936 usb_set_intfdata(data->isoc, NULL);
928 937
929 hci_unregister_dev(hdev); 938 hci_unregister_dev(hdev);
930 939
940 if (intf == data->isoc)
941 usb_driver_release_interface(&btusb_driver, data->intf);
942 else if (data->isoc)
943 usb_driver_release_interface(&btusb_driver, data->isoc);
944
945 __hci_dev_put(hdev);
946
931 hci_free_dev(hdev); 947 hci_free_dev(hdev);
932} 948}
933 949
1:25:17 -0400 committer Dan Willemsen <dwillemsen@nvidia.com> 2015-03-18 15:03:20 -0400 video: tegra: dc: support for vblank sync' href='/cgit/cgit.cgi/nvidia-tegra-modules.git/commit/drivers/video/tegra/dc/dc_sysfs.c?h=gpu-paging&id=3a0a09ab1fbf5560fc65993ea3a0afeac523a4e4'>3a0a09ab1
c1fcdb2cc
42f314e68










b9dd80a99












































































































































































































































































1418b6f93

d9c48de44

1418b6f93
82b3b306b
c6b5bb6ee
1418b6f93
c2e7e1adf
1418b6f93
000ed07ff

a9856482c


c1fcdb2cc


26292ddeb


c6b5bb6ee
51a96fc92



1418b6f93
000ed07ff
1418b6f93
3a0a09ab1
82b3b306b


3a0a09ab1

b9dd80a99
42f314e68


b9dd80a99

1418b6f93



d9c48de44

1418b6f93
82b3b306b
1418b6f93


c2e7e1adf
1418b6f93
c6b5bb6ee
000ed07ff
a9856482c


c1fcdb2cc


26292ddeb


ad01a768f
c6b5bb6ee
51a96fc92



1418b6f93
000ed07ff
1418b6f93
1418b6f93
82b3b306b


3a0a09ab1

42f314e68

b9dd80a99


3a0a09ab1
000ed07ff

1418b6f93
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


                                    
                                                                    















                                                                              
                     








                                  
                 
                 
 


                                                 

                                                                  






























                                                            


                                                    

                                                               






                                           
                                                         




                                                                     

                                                               












                                              
                                                 

                                               


                                                 

                                                                  










                                                                     

                                                               
                              
 

                                              
 
                  







                                     
                                                                         
 







                                                                  


                                              























                                                                               
                                              






















                                                                      


                                                               


                                                                  


                           
                                                                           




                                                 
                                                     




                                                                     

                                                               


                              
                                                                           







                                              
                                                             

                                         
                                                              




                                                            
                                                         

                                                                       




























                                                                           





                                                      

                                                               


















                                                                            

                                                               



















                                                                           
                                                                    






                                                 

                                                               


















                                                                     

                                                               


















                                                                            
                                                      
 



                                                 

                                                                  








                                                                     

                                                               












                                                                    





                                                                     

                                                               









                                     










                                                                       
      














                                                                 






                                                                 
 










                                                                     












































































































































































































































































                                                                        

                                              

                                                               
                                                                        
                                                   
 
                                                
                                                 
                                                  

                                                                


                                                 


                                                      


                                                       
 



                                                                      
 
                        
                                       
 


                                       

                                                               
 


                                                                  

                                                                        



                                              

                                                               
                                                                        
                                                   


                                                         
                                                          
                                                           
                                                                 
                                                                         


                                                          


                                                               


                                                                
                                                             
 



                                                                               
 
                        
                                                
 


                                                

                                                                        

                                                                           


                                                                 
 

                                                                            
 
/*
 * drivers/video/tegra/dc/dc_sysfs.c
 *
 * Copyright (c) 2011-2014, NVIDIA CORPORATION, All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

#include <linux/fb.h>
#include <linux/platform_device.h>
#include <linux/kernel.h>

#include <mach/dc.h>
#include <mach/fb.h>

#include "dc_reg.h"
#include "dc_priv.h"
#include "nvsd.h"
#include "hdmi.h"
#include "nvsr.h"

static ssize_t mode_show(struct device *device,
	struct device_attribute *attr, char *buf)
{
	struct platform_device *ndev = to_platform_device(device);
	struct tegra_dc *dc = platform_get_drvdata(ndev);
	struct tegra_dc_mode *m;
	ssize_t res;

	mutex_lock(&dc->lock);
	m = &dc->mode;
	res = snprintf(buf, PAGE_SIZE,
		"pclk: %d\n"
		"h_ref_to_sync: %d\n"
		"v_ref_to_sync: %d\n"
		"h_sync_width: %d\n"
		"v_sync_width: %d\n"
		"h_back_porch: %d\n"
		"v_back_porch: %d\n"
		"h_active: %d\n"
		"v_active: %d\n"
		"h_front_porch: %d\n"
		"v_front_porch: %d\n"
		"stereo_mode: %d\n",
		m->pclk, m->h_ref_to_sync, m->v_ref_to_sync,
		m->h_sync_width, m->v_sync_width,
		m->h_back_porch, m->v_back_porch,
		m->h_active, m->v_active,
		m->h_front_porch, m->v_front_porch,
		m->stereo_mode);
	mutex_unlock(&dc->lock);

	return res;
}

static DEVICE_ATTR(mode, S_IRUGO, mode_show, NULL);

static ssize_t stats_enable_show(struct device *dev,
	struct device_attribute *attr, char *buf)
{
	struct platform_device *ndev = to_platform_device(dev);
	struct tegra_dc *dc = platform_get_drvdata(ndev);
	bool enabled;

	if (mutex_lock_killable(&dc->lock))
		return -EINTR;
	enabled = tegra_dc_stats_get(dc);
	mutex_unlock(&dc->lock);

	return snprintf(buf, PAGE_SIZE, "%d\n", enabled);
}

static ssize_t stats_enable_store(struct device *dev,
	struct device_attribute *attr, const char *buf, size_t count)
{
	struct platform_device *ndev = to_platform_device(dev);
	struct tegra_dc *dc = platform_get_drvdata(ndev);
	unsigned long val = 0;

	if (strict_strtoul(buf, 10, &val) < 0)
		return -EINVAL;

	if (mutex_lock_killable(&dc->lock))
		return -EINTR;
	tegra_dc_stats_enable(dc, !!val);
	mutex_unlock(&dc->lock);

	return count;
}

static DEVICE_ATTR(stats_enable, S_IRUGO|S_IWUSR,
	stats_enable_show, stats_enable_store);

static ssize_t enable_show(struct device *device,
	struct device_attribute *attr, char *buf)
{
	struct platform_device *ndev = to_platform_device(device);
	struct tegra_dc *dc = platform_get_drvdata(ndev);
	ssize_t res;

	mutex_lock(&dc->lock);
	res = snprintf(buf, PAGE_SIZE, "%d\n", dc->enabled);
	mutex_unlock(&dc->lock);
	return res;
}

static ssize_t enable_store(struct device *dev,
	struct device_attribute *attr, const char *buf, size_t count)
{
	struct platform_device *ndev = to_platform_device(dev);
	struct tegra_dc *dc = platform_get_drvdata(ndev);
	unsigned long val = 0;

	if (strict_strtoul(buf, 10, &val) < 0)
		return -EINVAL;

	if (val) {
		tegra_dc_enable(dc);
	} else {
		tegra_dc_disable(dc);
	}

	return count;
}

static DEVICE_ATTR(enable, S_IRUSR | S_IWUSR, enable_show, enable_store);

#ifdef CONFIG_TEGRA_DC_WIN_H
static ssize_t win_h_show(struct device *device,
	struct device_attribute *attr, char *buf)
{
	struct platform_device *ndev = to_platform_device(device);
	struct tegra_dc *dc = platform_get_drvdata(ndev);
	unsigned long val = 0;

	if (!dc->enabled)
		return -EIO; /* not powered */

	mutex_lock(&dc->lock);
	tegra_dc_io_start(dc);

	val = tegra_dc_readl(dc, DC_DISP_BLEND_CURSOR_CONTROL);

	tegra_dc_io_end(dc);
	mutex_unlock(&dc->lock);

	return snprintf(buf, PAGE_SIZE, "%u\n", !!(val & WINH_CURS_SELECT(1)));
}

/* win_h sysfs controls hybrid window.
 *
 * 0 = cursor mode and 1 = window mode (default on T14x) */
static ssize_t win_h_store(struct device *dev,
	struct device_attribute *attr, const char *buf, size_t count)
{
	struct platform_device *ndev = to_platform_device(dev);
	struct tegra_dc *dc = platform_get_drvdata(ndev);
	unsigned int val = 0;
	unsigned long cursor_val = 0;

	if (!dc->enabled) {
		dev_err(&dc->ndev->dev, "%s: DC not enabled.\n", __func__);
		return -EIO; /* not powered */
	}

	if (kstrtouint(buf, 10, &val) < 0)
		return -EINVAL;

	mutex_lock(&dc->lock);
	tegra_dc_io_start(dc);

	cursor_val = tegra_dc_readl(dc, DC_DISP_BLEND_CURSOR_CONTROL);
	cursor_val &= ~WINH_CURS_SELECT(1);
	if (val)
		cursor_val |= WINH_CURS_SELECT(1);
	tegra_dc_writel(dc, cursor_val, DC_DISP_BLEND_CURSOR_CONTROL);

	tegra_dc_io_end(dc);
	mutex_unlock(&dc->lock);

	return count;
}

static DEVICE_ATTR(win_h, S_IRUGO|S_IWUSR, win_h_show, win_h_store);
#endif

static ssize_t crc_checksum_latched_show(struct device *device,
	struct device_attribute *attr, char *buf)
{
	struct platform_device *ndev = to_platform_device(device);
	struct tegra_dc *dc = platform_get_drvdata(ndev);

	u32 crc;

	if (!dc->enabled) {
		dev_err(&dc->ndev->dev, "%s: DC not enabled.\n", __func__);
		return -EFAULT;
	}

	crc = tegra_dc_read_checksum_latched(dc);

	return snprintf(buf, PAGE_SIZE, "%u\n", crc);
}

static ssize_t crc_checksum_latched_store(struct device *dev,
	struct device_attribute *attr, const char *buf, size_t count)
{
	struct platform_device *ndev = to_platform_device(dev);
	struct tegra_dc *dc = platform_get_drvdata(ndev);
	unsigned long val = 0;

	if (!dc->enabled) {
		dev_err(&dc->ndev->dev, "%s: DC not enabled.\n", __func__);
		return -EFAULT;
	}

	if (strict_strtoul(buf, 10, &val) < 0)
		return -EINVAL;

	if (val == 1) {
		tegra_dc_enable_crc(dc);
		dev_dbg(&dc->ndev->dev, "crc is enabled.\n");
	} else if (val == 0) {
		tegra_dc_disable_crc(dc);
		dev_dbg(&dc->ndev->dev, "crc is disabled.\n");
	} else
		dev_err(&dc->ndev->dev, "Invalid input.\n");

	return count;
}
static DEVICE_ATTR(crc_checksum_latched, S_IRUGO|S_IWUSR,
		crc_checksum_latched_show, crc_checksum_latched_store);

static ssize_t scanline_show(struct device *device,
	struct device_attribute *attr, char *buf)
{
	struct platform_device *ndev = to_platform_device(device);
	struct tegra_dc *dc = platform_get_drvdata(ndev);
	u32 val;
	unsigned v_blank;
	unsigned v_count;
	unsigned h_blank;
	unsigned h_count;

	if (WARN_ON(!dc) || !dc->enabled ||
		WARN_ON(!tegra_powergate_is_powered(dc->powergate_id))) {
		dev_err(&dc->ndev->dev, "%s: DC not enabled.\n", __func__);
		return -ENXIO;
	}

	val = tegra_dc_readl(dc, DC_DISP_DISPLAY_DBG_TIMING);

	v_count = (val & DBG_V_COUNT_MASK) >> DBG_V_COUNT_SHIFT;
	v_blank = !!(val & DBG_V_BLANK);
	h_count = (val & DBG_H_COUNT_MASK) >> DBG_H_COUNT_SHIFT;
	h_blank = !!(val & DBG_H_BLANK);

	return scnprintf(buf, PAGE_SIZE, "%u %u %u %u\n",
		v_count, v_blank, h_count, h_blank);
}
static DEVICE_ATTR(scanline, S_IRUGO, scanline_show, NULL);

#define ORIENTATION_PORTRAIT	"portrait"
#define ORIENTATION_LANDSCAPE	"landscape"

static ssize_t orientation_3d_show(struct device *dev,
	struct device_attribute *attr, char *buf)
{
	struct platform_device *ndev = to_platform_device(dev);
	struct tegra_dc *dc = platform_get_drvdata(ndev);
	struct tegra_dc_out *dc_out = dc->out;
	const char *orientation;
	switch (dc_out->stereo->orientation) {
	case TEGRA_DC_STEREO_LANDSCAPE:
		orientation = ORIENTATION_LANDSCAPE;
		break;
	case TEGRA_DC_STEREO_PORTRAIT:
		orientation = ORIENTATION_PORTRAIT;
		break;
	default:
		pr_err("Invalid value is stored for stereo_orientation.\n");
		return -EINVAL;
	}
	return snprintf(buf, PAGE_SIZE, "%s\n", orientation);
}

static ssize_t orientation_3d_store(struct device *dev,
	struct device_attribute *attr, const char *buf, size_t cnt)
{
	struct platform_device *ndev = to_platform_device(dev);
	struct tegra_dc *dc = platform_get_drvdata(ndev);
	struct tegra_dc_out *dc_out = dc->out;
	struct tegra_stereo_out *stereo = dc_out->stereo;
	int orientation;

	if (0 == strncmp(buf, ORIENTATION_PORTRAIT,
			min(cnt, ARRAY_SIZE(ORIENTATION_PORTRAIT) - 1))) {
		orientation = TEGRA_DC_STEREO_PORTRAIT;
	} else if (0 == strncmp(buf, ORIENTATION_LANDSCAPE,
			min(cnt, ARRAY_SIZE(ORIENTATION_LANDSCAPE) - 1))) {
		orientation = TEGRA_DC_STEREO_LANDSCAPE;
	} else {
		pr_err("Invalid property value for stereo_orientation.\n");
		return -EINVAL;
	}
	stereo->orientation = orientation;
	stereo->set_orientation(orientation);
	return cnt;
}

static DEVICE_ATTR(stereo_orientation,
	S_IRUGO|S_IWUSR, orientation_3d_show, orientation_3d_store);

#define MODE_2D		"2d"
#define MODE_3D		"3d"

static ssize_t mode_3d_show(struct device *dev,
	struct device_attribute *attr, char *buf)
{
	struct platform_device *ndev = to_platform_device(dev);
	struct tegra_dc *dc = platform_get_drvdata(ndev);
	struct tegra_dc_out *dc_out = dc->out;
	const char *mode;
	switch (dc_out->stereo->mode_2d_3d) {
	case TEGRA_DC_STEREO_MODE_2D:
		mode = MODE_2D;
		break;
	case TEGRA_DC_STEREO_MODE_3D:
		mode = MODE_3D;
		break;
	default:
		pr_err("Invalid value is stored for stereo_mode.\n");
		return -EINVAL;
	}
	return snprintf(buf, PAGE_SIZE, "%s\n", mode);
}

static ssize_t mode_3d_store(struct device *dev,
	struct device_attribute *attr, const char *buf, size_t cnt)
{
	struct platform_device *ndev = to_platform_device(dev);
	struct tegra_dc *dc = platform_get_drvdata(ndev);
	struct tegra_dc_out *dc_out = dc->out;
	struct tegra_stereo_out *stereo = dc_out->stereo;
	int mode;

	if (0 == strncmp(buf, MODE_2D, min(cnt, ARRAY_SIZE(MODE_2D) - 1))) {
		mode = TEGRA_DC_STEREO_MODE_2D;
	} else if (0 == strncmp(buf, MODE_3D,
			min(cnt, ARRAY_SIZE(MODE_3D) - 1))) {
		mode = TEGRA_DC_STEREO_MODE_3D;
	} else {
		pr_err("Invalid property value for stereo_mode.\n");
		return -EINVAL;
	}
	stereo->mode_2d_3d = mode;
	stereo->set_mode(mode);
	return cnt;
}

static DEVICE_ATTR(stereo_mode,
	S_IRUGO|S_IWUSR, mode_3d_show, mode_3d_store);

static ssize_t nvdps_show(struct device *device,
	struct device_attribute *attr, char *buf)
{
	int refresh_rate;
	struct platform_device *ndev = to_platform_device(device);
	struct tegra_dc *dc = platform_get_drvdata(ndev);

	refresh_rate = tegra_fb_get_mode(dc);
	return snprintf(buf, PAGE_SIZE, "%d\n", refresh_rate);
}


static ssize_t nvdps_store(struct device *dev,
	struct device_attribute *attr, const char *buf, size_t count)
{
	struct platform_device *ndev = to_platform_device(dev);
	struct tegra_dc *dc = platform_get_drvdata(ndev);
	int refresh_rate;
	int e;

	e = kstrtoint(buf, 10, &refresh_rate);
	if (e)
		return e;
	e = tegra_fb_set_mode(dc, refresh_rate);

	return count;
}

static DEVICE_ATTR(nvdps, S_IRUGO|S_IWUSR, nvdps_show, nvdps_store);

#ifdef CONFIG_TEGRA_DC_CMU
static ssize_t cmu_enable_store(struct device *dev,
	struct device_attribute *attr, const char *buf, size_t count)
{
	int val;
	int e;
	struct platform_device *ndev = to_platform_device(dev);
	struct tegra_dc *dc = platform_get_drvdata(ndev);

	e = kstrtoint(buf, 10, &val);
	if (e)
		return e;

	tegra_dc_cmu_enable(dc, val);

	return count;
}

static ssize_t cmu_enable_show(struct device *dev,
	struct device_attribute *attr, char *buf)
{
	struct platform_device *ndev = to_platform_device(dev);
	struct tegra_dc *dc = platform_get_drvdata(ndev);

	return snprintf(buf, PAGE_SIZE, "%d\n", dc->pdata->cmu_enable);
}

static DEVICE_ATTR(cmu_enable,
		S_IRUGO|S_IWUSR, cmu_enable_show, cmu_enable_store);
#endif

#ifdef CONFIG_TEGRA_ISOMGR
static ssize_t reserved_bw_show(struct device *dev,
	struct device_attribute *attr, char *buf)
{
	struct platform_device *ndev = to_platform_device(dev);
	struct tegra_dc *dc = platform_get_drvdata(ndev);

	return snprintf(buf, PAGE_SIZE, "%d\n", dc->reserved_bw);
}

static DEVICE_ATTR(reserved_bw,
		S_IRUGO, reserved_bw_show, NULL);
#endif

static ssize_t smart_panel_show(struct device *device,
	struct device_attribute *attr, char  *buf)
{
	return snprintf(buf, PAGE_SIZE, "1\n");
}

static DEVICE_ATTR(smart_panel, S_IRUGO, smart_panel_show, NULL);

static ssize_t panel_rotate_show(struct device *device,
	struct device_attribute *attr, char *buf)
{
	struct platform_device *ndev = to_platform_device(device);
	struct tegra_dc *dc = platform_get_drvdata(ndev);

	return snprintf(buf, PAGE_SIZE, "%d\n", dc->out->rotation);
}

static DEVICE_ATTR(panel_rotation, S_IRUGO, panel_rotate_show, NULL);

static ssize_t pclk_show(struct device *device,
	struct device_attribute *attr, char *buf)
{
	struct platform_device *ndev = to_platform_device(device);
	struct tegra_dc *dc = platform_get_drvdata(ndev);
	ssize_t res = 0;
	struct tegra_hdmi_out *hdmi_out = dc->out->hdmi_out;

	if (hdmi_out->tmds_config && hdmi_out->n_tmds_config) {
		mutex_lock(&dc->lock);
		res = snprintf(buf, PAGE_SIZE, "%d\n",
				hdmi_out->tmds_config[0].pclk);
		mutex_unlock(&dc->lock);
	}

	return res;
}

static ssize_t pclk_store(struct device *dev,
	struct device_attribute *attr, const char *buf, size_t count)
{
	struct platform_device *ndev = to_platform_device(dev);
	struct tegra_dc *dc = platform_get_drvdata(ndev);
	long val = 0;
	struct tegra_hdmi_out *hdmi_out = dc->out->hdmi_out;

	if (kstrtol(buf, 10, &val) < 0)
		return -EINVAL;

	if (hdmi_out->tmds_config && hdmi_out->n_tmds_config)
		hdmi_out->tmds_config[0].pclk = val;

	return count;
}

static DEVICE_ATTR(pclk, S_IRUGO|S_IWUSR, pclk_show, pclk_store);

static ssize_t pll0_show(struct device *device,
	struct device_attribute *attr, char *buf)
{
	struct platform_device *ndev = to_platform_device(device);
	struct tegra_dc *dc = platform_get_drvdata(ndev);
	ssize_t res = 0;
	struct tegra_hdmi_out *hdmi_out = dc->out->hdmi_out;

	if (hdmi_out->tmds_config && hdmi_out->n_tmds_config) {
		mutex_lock(&dc->lock);
		res = snprintf(buf, PAGE_SIZE, "%d\n",
			hdmi_out->tmds_config[0].pll0);
		mutex_unlock(&dc->lock);
	}

	return res;
}

static ssize_t pll0_store(struct device *dev,
	struct device_attribute *attr, const char *buf, size_t count)
{
	struct platform_device *ndev = to_platform_device(dev);
	struct tegra_dc *dc = platform_get_drvdata(ndev);
	unsigned long val = 0;
	struct tegra_hdmi_out *hdmi_out = dc->out->hdmi_out;

	if (kstrtoul(buf, 10, &val) < 0)
		return -EINVAL;

	if (hdmi_out->tmds_config && hdmi_out->n_tmds_config)
		hdmi_out->tmds_config[0].pll0 = val;

	return count;
}

static DEVICE_ATTR(pll0, S_IRUGO|S_IWUSR, pll0_show, pll0_store);
static ssize_t pll1_show(struct device *device,
	struct device_attribute *attr, char *buf)
{
	struct platform_device *ndev = to_platform_device(device);
	struct tegra_dc *dc = platform_get_drvdata(ndev);
	ssize_t res = 0;
	struct tegra_hdmi_out *hdmi_out = dc->out->hdmi_out;

	if (hdmi_out->tmds_config && hdmi_out->n_tmds_config) {
		mutex_lock(&dc->lock);
		res = snprintf(buf, PAGE_SIZE, "%d\n",
			hdmi_out->tmds_config[0].pll1);
		mutex_unlock(&dc->lock);
	}

	return res;
}

static ssize_t pll1_store(struct device *dev,
	struct device_attribute *attr, const char *buf, size_t count)
{
	struct platform_device *ndev = to_platform_device(dev);
	struct tegra_dc *dc = platform_get_drvdata(ndev);
	unsigned long val = 0;
	struct tegra_hdmi_out *hdmi_out = dc->out->hdmi_out;

	if (kstrtoul(buf, 10, &val) < 0)
		return -EINVAL;

	if (hdmi_out->tmds_config && hdmi_out->n_tmds_config)
		hdmi_out->tmds_config[0].pll1 = val;

	return count;
}

static DEVICE_ATTR(pll1, S_IRUGO|S_IWUSR, pll1_show, pll1_store);
static ssize_t pe_current_show(struct device *device,
	struct device_attribute *attr, char *buf)
{
	struct platform_device *ndev = to_platform_device(device);
	struct tegra_dc *dc = platform_get_drvdata(ndev);
	ssize_t res = 0;
	struct tegra_hdmi_out *hdmi_out = dc->out->hdmi_out;

	if (hdmi_out->tmds_config && hdmi_out->n_tmds_config) {
		mutex_lock(&dc->lock);
		res = snprintf(buf, PAGE_SIZE, "%d\n",
				hdmi_out->tmds_config[0].pe_current);
		mutex_unlock(&dc->lock);
	}

	return res;
}

static ssize_t pe_current_store(struct device *dev,
	struct device_attribute *attr, const char *buf, size_t count)
{
	struct platform_device *ndev = to_platform_device(dev);
	struct tegra_dc *dc = platform_get_drvdata(ndev);
	unsigned long val = 0;
	struct tegra_hdmi_out *hdmi_out = dc->out->hdmi_out;

	if (kstrtoul(buf, 10, &val) < 0)
		return -EINVAL;

	if (hdmi_out->tmds_config && hdmi_out->n_tmds_config)
		hdmi_out->tmds_config[0].pe_current = val;

	return count;
}

static DEVICE_ATTR(pe_current, S_IRUGO|S_IWUSR, pe_current_show,
		pe_current_store);

static ssize_t drive_current_show(struct device *device,
	struct device_attribute *attr, char *buf)
{
	struct platform_device *ndev = to_platform_device(device);
	struct tegra_dc *dc = platform_get_drvdata(ndev);
	ssize_t res = 0;
	struct tegra_hdmi_out *hdmi_out = dc->out->hdmi_out;

	if (hdmi_out->tmds_config && hdmi_out->n_tmds_config) {
		mutex_lock(&dc->lock);
		res = snprintf(buf, PAGE_SIZE, "%d\n",
				hdmi_out->tmds_config[0].drive_current);
		mutex_unlock(&dc->lock);
	}
	return res;
}

static ssize_t drive_current_store(struct device *dev,
	struct device_attribute *attr, const char *buf, size_t count)
{
	struct platform_device *ndev = to_platform_device(dev);
	struct tegra_dc *dc = platform_get_drvdata(ndev);
	unsigned long val = 0;
	struct tegra_hdmi_out *hdmi_out = dc->out->hdmi_out;

	if (kstrtoul(buf, 10, &val) < 0)
		return -EINVAL;

	if (hdmi_out->tmds_config && hdmi_out->n_tmds_config)
		hdmi_out->tmds_config[0].drive_current = val;

	return count;
}

static DEVICE_ATTR(drive_current, S_IRUGO|S_IWUSR, drive_current_show,
		drive_current_store);

static ssize_t peak_current_show(struct device *device,
	struct device_attribute *attr, char *buf)
{
	struct platform_device *ndev = to_platform_device(device);
	struct tegra_dc *dc = platform_get_drvdata(ndev);
	ssize_t res = 0;
	struct tegra_hdmi_out *hdmi_out = dc->out->hdmi_out;

	if (hdmi_out->tmds_config && hdmi_out->n_tmds_config) {
		mutex_lock(&dc->lock);
		res = snprintf(buf, PAGE_SIZE, "%d\n",
				hdmi_out->tmds_config[0].peak_current);
		mutex_unlock(&dc->lock);
	}
	return res;
}

static ssize_t peak_current_store(struct device *dev,
	struct device_attribute *attr, const char *buf, size_t count)
{
	struct platform_device *ndev = to_platform_device(dev);
	struct tegra_dc *dc = platform_get_drvdata(ndev);
	unsigned long val = 0;
	struct tegra_hdmi_out *hdmi_out = dc->out->hdmi_out;

	if (kstrtoul(buf, 10, &val) < 0)
		return -EINVAL;

	if (hdmi_out->tmds_config && hdmi_out->n_tmds_config)
		hdmi_out->tmds_config[0].peak_current = val;

	return count;
}

static DEVICE_ATTR(peak_current, S_IRUGO|S_IWUSR, peak_current_show,
		peak_current_store);

static ssize_t dump_config_show(struct device *device,
	struct device_attribute *attr, char *buf)
{
	struct platform_device *ndev = to_platform_device(device);
	struct tegra_dc *dc = platform_get_drvdata(ndev);
	struct tegra_hdmi_out *hdmi_out = dc->out->hdmi_out;
	ssize_t res = 0;

	if (hdmi_out->tmds_config && hdmi_out->n_tmds_config) {
		mutex_lock(&dc->lock);
		res = snprintf(buf, PAGE_SIZE,
			"pclk: %d\n"
			"pll0: %d\n"
			"pll1: %d\n"
			"pe_current: %d\n"
			"drive_current: %d\n"
			"peak_current: %d\n",
			hdmi_out->tmds_config[0].pclk,
			hdmi_out->tmds_config[0].pll0,
			hdmi_out->tmds_config[0].pll1,
			hdmi_out->tmds_config[0].pe_current,
			hdmi_out->tmds_config[0].drive_current,
			hdmi_out->tmds_config[0].peak_current
			);
		mutex_unlock(&dc->lock);
	}

	return res;
}

static DEVICE_ATTR(dump_config, S_IRUGO, dump_config_show, NULL);

static struct attribute *hdmi_config_attrs[] = {
	&dev_attr_pclk.attr,
	&dev_attr_pll0.attr,
	&dev_attr_pll1.attr,
	&dev_attr_pe_current.attr,
	&dev_attr_drive_current.attr,
	&dev_attr_peak_current.attr,
	&dev_attr_dump_config.attr,
	NULL
};

static struct attribute_group hdmi_config_attr_group = {
	.attrs = hdmi_config_attrs,
	.name = "hdmi_config"
};

void tegra_dc_remove_sysfs(struct device *dev)
{
	struct platform_device *ndev = to_platform_device(dev);
	struct tegra_dc *dc = platform_get_drvdata(ndev);
	struct tegra_dc_sd_settings *sd_settings = dc->out->sd_settings;
	struct tegra_dc_nvsr_data *nvsr = dc->nvsr;

	device_remove_file(dev, &dev_attr_mode);
	device_remove_file(dev, &dev_attr_nvdps);
	device_remove_file(dev, &dev_attr_enable);
	device_remove_file(dev, &dev_attr_stats_enable);
	device_remove_file(dev, &dev_attr_crc_checksum_latched);
#ifdef CONFIG_TEGRA_DC_WIN_H
	device_remove_file(dev, &dev_attr_win_h);
#endif
#ifdef CONFIG_TEGRA_DC_CMU
	device_remove_file(dev, &dev_attr_cmu_enable);
#endif
#ifdef CONFIG_TEGRA_ISOMGR
	device_remove_file(dev, &dev_attr_reserved_bw);
#endif

	if (dc->out->stereo) {
		device_remove_file(dev, &dev_attr_stereo_orientation);
		device_remove_file(dev, &dev_attr_stereo_mode);
	}

	if (sd_settings)
		nvsd_remove_sysfs(dev);

	if (nvsr)
		nvsr_remove_sysfs(dev);

	if (dc->out->flags & TEGRA_DC_OUT_ONE_SHOT_MODE)
		device_remove_file(dev, &dev_attr_smart_panel);

	if (dc->out->type != TEGRA_DC_OUT_HDMI)
		device_remove_file(dev, &dev_attr_panel_rotation);

	if (dc->out->type == TEGRA_DC_OUT_HDMI)
		sysfs_remove_group(&dev->kobj, &hdmi_config_attr_group);
}

void tegra_dc_create_sysfs(struct device *dev)
{
	struct platform_device *ndev = to_platform_device(dev);
	struct tegra_dc *dc = platform_get_drvdata(ndev);
	struct tegra_dc_sd_settings *sd_settings = dc->out->sd_settings;
	struct tegra_dc_nvsr_data *nvsr = dc->nvsr;
	int error = 0;

	error |= device_create_file(dev, &dev_attr_mode);
	error |= device_create_file(dev, &dev_attr_nvdps);
	error |= device_create_file(dev, &dev_attr_enable);
	error |= device_create_file(dev, &dev_attr_stats_enable);
	error |= device_create_file(dev, &dev_attr_crc_checksum_latched);
#ifdef CONFIG_TEGRA_DC_WIN_H
	error |= device_create_file(dev, &dev_attr_win_h);
#endif
#ifdef CONFIG_TEGRA_DC_CMU
	error |= device_create_file(dev, &dev_attr_cmu_enable);
#endif
#ifdef CONFIG_TEGRA_ISOMGR
	error |= device_create_file(dev, &dev_attr_reserved_bw);
#endif
	error |= device_create_file(dev, &dev_attr_scanline);

	if (dc->out->stereo) {
		error |= device_create_file(dev, &dev_attr_stereo_orientation);
		error |= device_create_file(dev, &dev_attr_stereo_mode);
	}

	if (sd_settings)
		error |= nvsd_create_sysfs(dev);

	if (nvsr)
		error |= nvsr_create_sysfs(dev);

	if (dc->out->flags & TEGRA_DC_OUT_ONE_SHOT_MODE)
		error |= device_create_file(dev, &dev_attr_smart_panel);
	if (dc->out->type != TEGRA_DC_OUT_HDMI)
		error |= device_create_file(dev, &dev_attr_panel_rotation);
	if (dc->out->type == TEGRA_DC_OUT_HDMI)
		error |= sysfs_create_group(&dev->kobj,
					&hdmi_config_attr_group);

	if (error)
		dev_err(&ndev->dev, "Failed to create sysfs attributes!\n");
}