disable pwm7

hc

2024-05-10 23fa18eaa71266feff7ba8d83022d9e1cc83c65a

 kernel/drivers/media/usb/pwc/pwc-if.c
..
..
@@ -1,3 +1,4 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
1
2
 /* Linux driver for Philips webcam
2
3
    USB and Video4Linux interface part.
3
4
    (C) 1999-2004 Nemosoft Unv.
..
..
@@ -10,19 +11,6 @@
10
11
    The decompression routines have been implemented by reverse-engineering the
11
12
    Nemosoft binary pwcx module. Caveat emptor.
12
13
 
13
-   This program is free software; you can redistribute it and/or modify
14
-   it under the terms of the GNU General Public License as published by
15
-   the Free Software Foundation; either version 2 of the License, or
16
-   (at your option) any later version.
17
-
18
-   This program is distributed in the hope that it will be useful,
19
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
20
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
21
-   GNU General Public License for more details.
22
-
23
-   You should have received a copy of the GNU General Public License
24
-   along with this program; if not, write to the Free Software
25
-   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
26
14
 
27
15
 */
28
16
 
..
..
@@ -76,41 +64,52 @@
76
64
 #include "pwc-dec23.h"
77
65
 #include "pwc-dec1.h"
78
66
 
67
+#define CREATE_TRACE_POINTS
68
+#include <trace/events/pwc.h>
69
+
79
70
 /* Function prototypes and driver templates */
80
71
 
81
72
 /* hotplug device table support */
82
73
 static const struct usb_device_id pwc_device_table [] = {
83
-	{ USB_DEVICE(0x0471, 0x0302) }, /* Philips models */
84
-	{ USB_DEVICE(0x0471, 0x0303) },
85
-	{ USB_DEVICE(0x0471, 0x0304) },
86
-	{ USB_DEVICE(0x0471, 0x0307) },
87
-	{ USB_DEVICE(0x0471, 0x0308) },
88
-	{ USB_DEVICE(0x0471, 0x030C) },
89
-	{ USB_DEVICE(0x0471, 0x0310) },
90
-	{ USB_DEVICE(0x0471, 0x0311) }, /* Philips ToUcam PRO II */
91
-	{ USB_DEVICE(0x0471, 0x0312) },
92
-	{ USB_DEVICE(0x0471, 0x0313) }, /* the 'new' 720K */
93
-	{ USB_DEVICE(0x0471, 0x0329) }, /* Philips SPC 900NC PC Camera */
94
-	{ USB_DEVICE(0x0471, 0x032C) }, /* Philips SPC 880NC PC Camera */
95
-	{ USB_DEVICE(0x069A, 0x0001) }, /* Askey */
96
-	{ USB_DEVICE(0x046D, 0x08B0) }, /* Logitech QuickCam Pro 3000 */
74
+	{ USB_DEVICE(0x041E, 0x400C) }, /* Creative Webcam 5 */
75
+	{ USB_DEVICE(0x041E, 0x4011) }, /* Creative Webcam Pro Ex */
76
+
77
+	{ USB_DEVICE(0x046D, 0x08B0) }, /* Logitech QuickCam 3000 Pro */
97
78
 	{ USB_DEVICE(0x046D, 0x08B1) }, /* Logitech QuickCam Notebook Pro */
98
-	{ USB_DEVICE(0x046D, 0x08B2) }, /* Logitech QuickCam Pro 4000 */
79
+	{ USB_DEVICE(0x046D, 0x08B2) }, /* Logitech QuickCam 4000 Pro */
99
80
 	{ USB_DEVICE(0x046D, 0x08B3) }, /* Logitech QuickCam Zoom (old model) */
100
81
 	{ USB_DEVICE(0x046D, 0x08B4) }, /* Logitech QuickCam Zoom (new model) */
101
82
 	{ USB_DEVICE(0x046D, 0x08B5) }, /* Logitech QuickCam Orbit/Sphere */
102
-	{ USB_DEVICE(0x046D, 0x08B6) }, /* Cisco VT Camera */
83
+	{ USB_DEVICE(0x046D, 0x08B6) }, /* Logitech/Cisco VT Camera */
103
84
 	{ USB_DEVICE(0x046D, 0x08B7) }, /* Logitech ViewPort AV 100 */
104
-	{ USB_DEVICE(0x046D, 0x08B8) }, /* Logitech (reserved) */
85
+	{ USB_DEVICE(0x046D, 0x08B8) }, /* Logitech QuickCam */
86
+
87
+	{ USB_DEVICE(0x0471, 0x0302) }, /* Philips PCA645VC */
88
+	{ USB_DEVICE(0x0471, 0x0303) }, /* Philips PCA646VC */
89
+	{ USB_DEVICE(0x0471, 0x0304) }, /* Askey VC010 type 2 */
90
+	{ USB_DEVICE(0x0471, 0x0307) }, /* Philips PCVC675K (Vesta) */
91
+	{ USB_DEVICE(0x0471, 0x0308) }, /* Philips PCVC680K (Vesta Pro) */
92
+	{ USB_DEVICE(0x0471, 0x030C) }, /* Philips PCVC690K (Vesta Pro Scan) */
93
+	{ USB_DEVICE(0x0471, 0x0310) }, /* Philips PCVC730K (ToUCam Fun)/PCVC830 (ToUCam II) */
94
+	{ USB_DEVICE(0x0471, 0x0311) }, /* Philips PCVC740K (ToUCam Pro)/PCVC840 (ToUCam II) */
95
+	{ USB_DEVICE(0x0471, 0x0312) }, /* Philips PCVC750K (ToUCam Pro Scan) */
96
+	{ USB_DEVICE(0x0471, 0x0313) }, /* Philips PCVC720K/40 (ToUCam XS) */
97
+	{ USB_DEVICE(0x0471, 0x0329) }, /* Philips SPC 900NC webcam */
98
+	{ USB_DEVICE(0x0471, 0x032C) }, /* Philips SPC 880NC webcam */
99
+
100
+	{ USB_DEVICE(0x04CC, 0x8116) }, /* Sotec Afina Eye */
101
+
105
102
 	{ USB_DEVICE(0x055D, 0x9000) }, /* Samsung MPC-C10 */
106
103
 	{ USB_DEVICE(0x055D, 0x9001) }, /* Samsung MPC-C30 */
107
104
 	{ USB_DEVICE(0x055D, 0x9002) },	/* Samsung SNC-35E (Ver3.0) */
108
-	{ USB_DEVICE(0x041E, 0x400C) }, /* Creative Webcam 5 */
109
-	{ USB_DEVICE(0x041E, 0x4011) }, /* Creative Webcam Pro Ex */
110
-	{ USB_DEVICE(0x04CC, 0x8116) }, /* Afina Eye */
111
-	{ USB_DEVICE(0x06BE, 0x8116) }, /* new Afina Eye */
112
-	{ USB_DEVICE(0x0d81, 0x1910) }, /* Visionite */
113
-	{ USB_DEVICE(0x0d81, 0x1900) },
105
+
106
+	{ USB_DEVICE(0x069A, 0x0001) }, /* Askey VC010 type 1 */
107
+
108
+	{ USB_DEVICE(0x06BE, 0x8116) }, /* AME Co. Afina Eye */
109
+
110
+	{ USB_DEVICE(0x0d81, 0x1900) }, /* Visionite VCS-UC300 */
111
+	{ USB_DEVICE(0x0d81, 0x1910) }, /* Visionite VCS-UM100 */
112
+
114
113
 	{ }
115
114
 };
116
115
 MODULE_DEVICE_TABLE(usb, pwc_device_table);
..
..
@@ -155,6 +154,35 @@
155
154
 
156
155
 /***************************************************************************/
157
156
 /* Private functions */
157
+
158
+static void *pwc_alloc_urb_buffer(struct usb_device *dev,
159
+				  size_t size, dma_addr_t *dma_handle)
160
+{
161
+	struct device *dmadev = dev->bus->sysdev;
162
+	void *buffer = kmalloc(size, GFP_KERNEL);
163
+
164
+	if (!buffer)
165
+		return NULL;
166
+
167
+	*dma_handle = dma_map_single(dmadev, buffer, size, DMA_FROM_DEVICE);
168
+	if (dma_mapping_error(dmadev, *dma_handle)) {
169
+		kfree(buffer);
170
+		return NULL;
171
+	}
172
+
173
+	return buffer;
174
+}
175
+
176
+static void pwc_free_urb_buffer(struct usb_device *dev,
177
+				size_t size,
178
+				void *buffer,
179
+				dma_addr_t dma_handle)
180
+{
181
+	struct device *dmadev = dev->bus->sysdev;
182
+
183
+	dma_unmap_single(dmadev, dma_handle, size, DMA_FROM_DEVICE);
184
+	kfree(buffer);
185
+}
158
186
 
159
187
 static struct pwc_frame_buf *pwc_get_next_fill_buf(struct pwc_device *pdev)
160
188
 {
..
..
@@ -257,8 +285,11 @@
257
285
 static void pwc_isoc_handler(struct urb *urb)
258
286
 {
259
287
 	struct pwc_device *pdev = (struct pwc_device *)urb->context;
288
+	struct device *dmadev = urb->dev->bus->sysdev;
260
289
 	int i, fst, flen;
261
290
 	unsigned char *iso_buf = NULL;
291
+
292
+	trace_pwc_handler_enter(urb, pdev);
262
293
 
263
294
 	if (urb->status == -ENOENT || urb->status == -ECONNRESET ||
264
295
 	    urb->status == -ESHUTDOWN) {
..
..
@@ -300,6 +331,11 @@
300
331
 
301
332
 	/* Reset ISOC error counter. We did get here, after all. */
302
333
 	pdev->visoc_errors = 0;
334
+
335
+	dma_sync_single_for_cpu(dmadev,
336
+				urb->transfer_dma,
337
+				urb->transfer_buffer_length,
338
+				DMA_FROM_DEVICE);
303
339
 
304
340
 	/* vsync: 0 = don't copy data
305
341
 		  1 = sync-hunt
..
..
@@ -347,7 +383,14 @@
347
383
 		pdev->vlast_packet_size = flen;
348
384
 	}
349
385
 
386
+	dma_sync_single_for_device(dmadev,
387
+				   urb->transfer_dma,
388
+				   urb->transfer_buffer_length,
389
+				   DMA_FROM_DEVICE);
390
+
350
391
 handler_end:
392
+	trace_pwc_handler_exit(urb, pdev);
393
+
351
394
 	i = usb_submit_urb(urb, GFP_ATOMIC);
352
395
 	if (i != 0)
353
396
 		PWC_ERROR("Error (%d) re-submitting urb in pwc_isoc_handler.\n", i);
..
..
@@ -421,16 +464,15 @@
421
464
 		urb->dev = udev;
422
465
 		urb->pipe = usb_rcvisocpipe(udev, pdev->vendpoint);
423
466
 		urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP;
424
-		urb->transfer_buffer = usb_alloc_coherent(udev,
425
-							  ISO_BUFFER_SIZE,
426
-							  GFP_KERNEL,
427
-							  &urb->transfer_dma);
467
+		urb->transfer_buffer_length = ISO_BUFFER_SIZE;
468
+		urb->transfer_buffer = pwc_alloc_urb_buffer(udev,
469
+							    urb->transfer_buffer_length,
470
+							    &urb->transfer_dma);
428
471
 		if (urb->transfer_buffer == NULL) {
429
472
 			PWC_ERROR("Failed to allocate urb buffer %d\n", i);
430
473
 			pwc_isoc_cleanup(pdev);
431
474
 			return -ENOMEM;
432
475
 		}
433
-		urb->transfer_buffer_length = ISO_BUFFER_SIZE;
434
476
 		urb->complete = pwc_isoc_handler;
435
477
 		urb->context = pdev;
436
478
 		urb->start_frame = 0;
..
..
@@ -481,15 +523,16 @@
481
523
 
482
524
 	/* Freeing ISOC buffers one by one */
483
525
 	for (i = 0; i < MAX_ISO_BUFS; i++) {
484
-		if (pdev->urbs[i]) {
526
+		struct urb *urb = pdev->urbs[i];
527
+
528
+		if (urb) {
485
529
 			PWC_DEBUG_MEMORY("Freeing URB\n");
486
-			if (pdev->urbs[i]->transfer_buffer) {
487
-				usb_free_coherent(pdev->udev,
488
-					pdev->urbs[i]->transfer_buffer_length,
489
-					pdev->urbs[i]->transfer_buffer,
490
-					pdev->urbs[i]->transfer_dma);
491
-			}
492
-			usb_free_urb(pdev->urbs[i]);
530
+			if (urb->transfer_buffer)
531
+				pwc_free_urb_buffer(urb->dev,
532
+						    urb->transfer_buffer_length,
533
+						    urb->transfer_buffer,
534
+						    urb->transfer_dma);
535
+			usb_free_urb(urb);
493
536
 			pdev->urbs[i] = NULL;
494
537
 		}
495
538
 	}
..
..
@@ -610,7 +653,7 @@
610
653
 {
611
654
 	struct pwc_device *pdev = vb2_get_drv_priv(vb->vb2_queue);
612
655
 
613
-	/* Don't allow queing new buffers after device disconnection */
656
+	/* Don't allow queueing new buffers after device disconnection */
614
657
 	if (!pdev->udev)
615
658
 		return -ENODEV;
616
659
 
..
..
@@ -1027,7 +1070,7 @@
1027
1070
 
1028
1071
 	/* Init video_device structure */
1029
1072
 	pdev->vdev = pwc_template;
1030
-	strcpy(pdev->vdev.name, name);
1073
+	strscpy(pdev->vdev.name, name, sizeof(pdev->vdev.name));
1031
1074
 	pdev->vdev.queue = &pdev->vb_queue;
1032
1075
 	pdev->vdev.queue->lock = &pdev->vb_queue_lock;
1033
1076
 	video_set_drvdata(&pdev->vdev, pdev);
..
..
@@ -1082,8 +1125,10 @@
1082
1125
 	pdev->v4l2_dev.ctrl_handler = &pdev->ctrl_handler;
1083
1126
 	pdev->vdev.v4l2_dev = &pdev->v4l2_dev;
1084
1127
 	pdev->vdev.lock = &pdev->v4l2_lock;
1128
+	pdev->vdev.device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING |
1129
+				 V4L2_CAP_READWRITE;
1085
1130
 
1086
-	rc = video_register_device(&pdev->vdev, VFL_TYPE_GRABBER, -1);
1131
+	rc = video_register_device(&pdev->vdev, VFL_TYPE_VIDEO, -1);
1087
1132
 	if (rc < 0) {
1088
1133
 		PWC_ERROR("Failed to register as video device (%d).\n", rc);
1089
1134
 		goto err_unregister_v4l2_dev;