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60#include <linux/errno.h>
61#include <linux/init.h>
62#include <linux/mm.h>
63#include <linux/module.h>
64#include <linux/poll.h>
65#include <linux/slab.h>
66#ifdef CONFIG_USB_PWC_INPUT_EVDEV
67#include <linux/usb/input.h>
68#endif
69#include <linux/vmalloc.h>
70#include <asm/io.h>
71#include <linux/kernel.h>
72
73#include "pwc.h"
74#include "pwc-kiara.h"
75#include "pwc-timon.h"
76#include "pwc-dec23.h"
77#include "pwc-dec1.h"
78
79
80
81
82static const struct usb_device_id pwc_device_table [] = {
83 { USB_DEVICE(0x0471, 0x0302) },
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) },
91 { USB_DEVICE(0x0471, 0x0312) },
92 { USB_DEVICE(0x0471, 0x0313) },
93 { USB_DEVICE(0x0471, 0x0329) },
94 { USB_DEVICE(0x0471, 0x032C) },
95 { USB_DEVICE(0x069A, 0x0001) },
96 { USB_DEVICE(0x046D, 0x08B0) },
97 { USB_DEVICE(0x046D, 0x08B1) },
98 { USB_DEVICE(0x046D, 0x08B2) },
99 { USB_DEVICE(0x046D, 0x08B3) },
100 { USB_DEVICE(0x046D, 0x08B4) },
101 { USB_DEVICE(0x046D, 0x08B5) },
102 { USB_DEVICE(0x046D, 0x08B6) },
103 { USB_DEVICE(0x046D, 0x08B7) },
104 { USB_DEVICE(0x046D, 0x08B8) },
105 { USB_DEVICE(0x055D, 0x9000) },
106 { USB_DEVICE(0x055D, 0x9001) },
107 { USB_DEVICE(0x055D, 0x9002) },
108 { USB_DEVICE(0x041E, 0x400C) },
109 { USB_DEVICE(0x041E, 0x4011) },
110 { USB_DEVICE(0x04CC, 0x8116) },
111 { USB_DEVICE(0x06BE, 0x8116) },
112 { USB_DEVICE(0x0d81, 0x1910) },
113 { USB_DEVICE(0x0d81, 0x1900) },
114 { }
115};
116MODULE_DEVICE_TABLE(usb, pwc_device_table);
117
118static int usb_pwc_probe(struct usb_interface *intf, const struct usb_device_id *id);
119static void usb_pwc_disconnect(struct usb_interface *intf);
120static void pwc_isoc_cleanup(struct pwc_device *pdev);
121
122static struct usb_driver pwc_driver = {
123 .name = "Philips webcam",
124 .id_table = pwc_device_table,
125 .probe = usb_pwc_probe,
126 .disconnect = usb_pwc_disconnect,
127};
128
129#define MAX_DEV_HINTS 20
130#define MAX_ISOC_ERRORS 20
131
132#ifdef CONFIG_USB_PWC_DEBUG
133 int pwc_trace = PWC_DEBUG_LEVEL;
134#endif
135static int power_save = -1;
136static int leds[2] = { 100, 0 };
137
138
139
140static const struct v4l2_file_operations pwc_fops = {
141 .owner = THIS_MODULE,
142 .open = v4l2_fh_open,
143 .release = vb2_fop_release,
144 .read = vb2_fop_read,
145 .poll = vb2_fop_poll,
146 .mmap = vb2_fop_mmap,
147 .unlocked_ioctl = video_ioctl2,
148};
149static struct video_device pwc_template = {
150 .name = "Philips Webcam",
151 .release = video_device_release_empty,
152 .fops = &pwc_fops,
153 .ioctl_ops = &pwc_ioctl_ops,
154};
155
156
157
158
159static struct pwc_frame_buf *pwc_get_next_fill_buf(struct pwc_device *pdev)
160{
161 unsigned long flags = 0;
162 struct pwc_frame_buf *buf = NULL;
163
164 spin_lock_irqsave(&pdev->queued_bufs_lock, flags);
165 if (list_empty(&pdev->queued_bufs))
166 goto leave;
167
168 buf = list_entry(pdev->queued_bufs.next, struct pwc_frame_buf, list);
169 list_del(&buf->list);
170leave:
171 spin_unlock_irqrestore(&pdev->queued_bufs_lock, flags);
172 return buf;
173}
174
175static void pwc_snapshot_button(struct pwc_device *pdev, int down)
176{
177 if (down) {
178 PWC_TRACE("Snapshot button pressed.\n");
179 } else {
180 PWC_TRACE("Snapshot button released.\n");
181 }
182
183#ifdef CONFIG_USB_PWC_INPUT_EVDEV
184 if (pdev->button_dev) {
185 input_report_key(pdev->button_dev, KEY_CAMERA, down);
186 input_sync(pdev->button_dev);
187 }
188#endif
189}
190
191static void pwc_frame_complete(struct pwc_device *pdev)
192{
193 struct pwc_frame_buf *fbuf = pdev->fill_buf;
194
195
196
197
198
199 if (pdev->type == 730) {
200 unsigned char *ptr = (unsigned char *)fbuf->data;
201
202 if (ptr[1] == 1 && ptr[0] & 0x10) {
203 PWC_TRACE("Hyundai CMOS sensor bug. Dropping frame.\n");
204 pdev->drop_frames += 2;
205 }
206 if ((ptr[0] ^ pdev->vmirror) & 0x01) {
207 pwc_snapshot_button(pdev, ptr[0] & 0x01);
208 }
209 if ((ptr[0] ^ pdev->vmirror) & 0x02) {
210 if (ptr[0] & 0x02)
211 PWC_TRACE("Image is mirrored.\n");
212 else
213 PWC_TRACE("Image is normal.\n");
214 }
215 pdev->vmirror = ptr[0] & 0x03;
216
217
218
219
220
221
222
223
224
225 if (fbuf->filled == 4)
226 pdev->drop_frames++;
227 } else if (pdev->type == 740 || pdev->type == 720) {
228 unsigned char *ptr = (unsigned char *)fbuf->data;
229 if ((ptr[0] ^ pdev->vmirror) & 0x01) {
230 pwc_snapshot_button(pdev, ptr[0] & 0x01);
231 }
232 pdev->vmirror = ptr[0] & 0x03;
233 }
234
235
236 if (pdev->drop_frames > 0) {
237 pdev->drop_frames--;
238 } else {
239
240 if (fbuf->filled < pdev->frame_total_size) {
241 PWC_DEBUG_FLOW("Frame buffer underflow (%d bytes);"
242 " discarded.\n", fbuf->filled);
243 } else {
244 fbuf->vb.field = V4L2_FIELD_NONE;
245 fbuf->vb.sequence = pdev->vframe_count;
246 vb2_buffer_done(&fbuf->vb.vb2_buf, VB2_BUF_STATE_DONE);
247 pdev->fill_buf = NULL;
248 pdev->vsync = 0;
249 }
250 }
251 pdev->vframe_count++;
252}
253
254
255
256
257static void pwc_isoc_handler(struct urb *urb)
258{
259 struct pwc_device *pdev = (struct pwc_device *)urb->context;
260 int i, fst, flen;
261 unsigned char *iso_buf = NULL;
262
263 if (urb->status == -ENOENT || urb->status == -ECONNRESET ||
264 urb->status == -ESHUTDOWN) {
265 PWC_DEBUG_OPEN("URB (%p) unlinked %ssynchronuously.\n", urb, urb->status == -ENOENT ? "" : "a");
266 return;
267 }
268
269 if (pdev->fill_buf == NULL)
270 pdev->fill_buf = pwc_get_next_fill_buf(pdev);
271
272 if (urb->status != 0) {
273 const char *errmsg;
274
275 errmsg = "Unknown";
276 switch(urb->status) {
277 case -ENOSR: errmsg = "Buffer error (overrun)"; break;
278 case -EPIPE: errmsg = "Stalled (device not responding)"; break;
279 case -EOVERFLOW: errmsg = "Babble (bad cable?)"; break;
280 case -EPROTO: errmsg = "Bit-stuff error (bad cable?)"; break;
281 case -EILSEQ: errmsg = "CRC/Timeout (could be anything)"; break;
282 case -ETIME: errmsg = "Device does not respond"; break;
283 }
284 PWC_ERROR("pwc_isoc_handler() called with status %d [%s].\n",
285 urb->status, errmsg);
286
287 if (++pdev->visoc_errors > MAX_ISOC_ERRORS)
288 {
289 PWC_ERROR("Too many ISOC errors, bailing out.\n");
290 if (pdev->fill_buf) {
291 vb2_buffer_done(&pdev->fill_buf->vb.vb2_buf,
292 VB2_BUF_STATE_ERROR);
293 pdev->fill_buf = NULL;
294 }
295 }
296 pdev->vsync = 0;
297 goto handler_end;
298 }
299
300
301 pdev->visoc_errors = 0;
302
303
304
305
306
307
308 for (i = 0; i < urb->number_of_packets; i++) {
309 fst = urb->iso_frame_desc[i].status;
310 flen = urb->iso_frame_desc[i].actual_length;
311 iso_buf = urb->transfer_buffer + urb->iso_frame_desc[i].offset;
312 if (fst != 0) {
313 PWC_ERROR("Iso frame %d has error %d\n", i, fst);
314 continue;
315 }
316 if (flen > 0 && pdev->vsync) {
317 struct pwc_frame_buf *fbuf = pdev->fill_buf;
318
319 if (pdev->vsync == 1) {
320 fbuf->vb.vb2_buf.timestamp = ktime_get_ns();
321 pdev->vsync = 2;
322 }
323
324 if (flen + fbuf->filled > pdev->frame_total_size) {
325 PWC_ERROR("Frame overflow (%d > %d)\n",
326 flen + fbuf->filled,
327 pdev->frame_total_size);
328 pdev->vsync = 0;
329 } else {
330 memcpy(fbuf->data + fbuf->filled, iso_buf,
331 flen);
332 fbuf->filled += flen;
333 }
334 }
335 if (flen < pdev->vlast_packet_size) {
336
337 if (pdev->vsync == 2)
338 pwc_frame_complete(pdev);
339 if (pdev->fill_buf == NULL)
340 pdev->fill_buf = pwc_get_next_fill_buf(pdev);
341 if (pdev->fill_buf) {
342 pdev->fill_buf->filled = 0;
343 pdev->vsync = 1;
344 }
345 }
346 pdev->vlast_packet_size = flen;
347 }
348
349handler_end:
350 i = usb_submit_urb(urb, GFP_ATOMIC);
351 if (i != 0)
352 PWC_ERROR("Error (%d) re-submitting urb in pwc_isoc_handler.\n", i);
353}
354
355
356static int pwc_isoc_init(struct pwc_device *pdev)
357{
358 struct usb_device *udev;
359 struct urb *urb;
360 int i, j, ret;
361 struct usb_interface *intf;
362 struct usb_host_interface *idesc = NULL;
363 int compression = 0;
364
365 pdev->vsync = 0;
366 pdev->vlast_packet_size = 0;
367 pdev->fill_buf = NULL;
368 pdev->vframe_count = 0;
369 pdev->visoc_errors = 0;
370 udev = pdev->udev;
371
372retry:
373
374
375 ret = pwc_set_video_mode(pdev, pdev->width, pdev->height, pdev->pixfmt,
376 pdev->vframes, &compression, 1);
377
378
379 intf = usb_ifnum_to_if(udev, 0);
380 if (intf)
381 idesc = usb_altnum_to_altsetting(intf, pdev->valternate);
382 if (!idesc)
383 return -EIO;
384
385
386 pdev->vmax_packet_size = -1;
387 for (i = 0; i < idesc->desc.bNumEndpoints; i++) {
388 if ((idesc->endpoint[i].desc.bEndpointAddress & 0xF) == pdev->vendpoint) {
389 pdev->vmax_packet_size = le16_to_cpu(idesc->endpoint[i].desc.wMaxPacketSize);
390 break;
391 }
392 }
393
394 if (pdev->vmax_packet_size < 0 || pdev->vmax_packet_size > ISO_MAX_FRAME_SIZE) {
395 PWC_ERROR("Failed to find packet size for video endpoint in current alternate setting.\n");
396 return -ENFILE;
397 }
398
399
400 PWC_DEBUG_OPEN("Setting alternate interface %d\n", pdev->valternate);
401 ret = usb_set_interface(pdev->udev, 0, pdev->valternate);
402 if (ret == -ENOSPC && compression < 3) {
403 compression++;
404 goto retry;
405 }
406 if (ret < 0)
407 return ret;
408
409
410 for (i = 0; i < MAX_ISO_BUFS; i++) {
411 urb = usb_alloc_urb(ISO_FRAMES_PER_DESC, GFP_KERNEL);
412 if (urb == NULL) {
413 PWC_ERROR("Failed to allocate urb %d\n", i);
414 pwc_isoc_cleanup(pdev);
415 return -ENOMEM;
416 }
417 pdev->urbs[i] = urb;
418 PWC_DEBUG_MEMORY("Allocated URB at 0x%p\n", urb);
419
420 urb->interval = 1;
421 urb->dev = udev;
422 urb->pipe = usb_rcvisocpipe(udev, pdev->vendpoint);
423 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);
428 if (urb->transfer_buffer == NULL) {
429 PWC_ERROR("Failed to allocate urb buffer %d\n", i);
430 pwc_isoc_cleanup(pdev);
431 return -ENOMEM;
432 }
433 urb->transfer_buffer_length = ISO_BUFFER_SIZE;
434 urb->complete = pwc_isoc_handler;
435 urb->context = pdev;
436 urb->start_frame = 0;
437 urb->number_of_packets = ISO_FRAMES_PER_DESC;
438 for (j = 0; j < ISO_FRAMES_PER_DESC; j++) {
439 urb->iso_frame_desc[j].offset = j * ISO_MAX_FRAME_SIZE;
440 urb->iso_frame_desc[j].length = pdev->vmax_packet_size;
441 }
442 }
443
444
445 for (i = 0; i < MAX_ISO_BUFS; i++) {
446 ret = usb_submit_urb(pdev->urbs[i], GFP_KERNEL);
447 if (ret == -ENOSPC && compression < 3) {
448 compression++;
449 pwc_isoc_cleanup(pdev);
450 goto retry;
451 }
452 if (ret) {
453 PWC_ERROR("isoc_init() submit_urb %d failed with error %d\n", i, ret);
454 pwc_isoc_cleanup(pdev);
455 return ret;
456 }
457 PWC_DEBUG_MEMORY("URB 0x%p submitted.\n", pdev->urbs[i]);
458 }
459
460
461 PWC_DEBUG_OPEN("<< pwc_isoc_init()\n");
462 return 0;
463}
464
465static void pwc_iso_stop(struct pwc_device *pdev)
466{
467 int i;
468
469
470 for (i = 0; i < MAX_ISO_BUFS; i++) {
471 if (pdev->urbs[i]) {
472 PWC_DEBUG_MEMORY("Unlinking URB %p\n", pdev->urbs[i]);
473 usb_kill_urb(pdev->urbs[i]);
474 }
475 }
476}
477
478static void pwc_iso_free(struct pwc_device *pdev)
479{
480 int i;
481
482
483 for (i = 0; i < MAX_ISO_BUFS; i++) {
484 if (pdev->urbs[i]) {
485 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]);
493 pdev->urbs[i] = NULL;
494 }
495 }
496}
497
498
499static void pwc_isoc_cleanup(struct pwc_device *pdev)
500{
501 PWC_DEBUG_OPEN(">> pwc_isoc_cleanup()\n");
502
503 pwc_iso_stop(pdev);
504 pwc_iso_free(pdev);
505 usb_set_interface(pdev->udev, 0, 0);
506
507 PWC_DEBUG_OPEN("<< pwc_isoc_cleanup()\n");
508}
509
510
511static void pwc_cleanup_queued_bufs(struct pwc_device *pdev,
512 enum vb2_buffer_state state)
513{
514 unsigned long flags = 0;
515
516 spin_lock_irqsave(&pdev->queued_bufs_lock, flags);
517 while (!list_empty(&pdev->queued_bufs)) {
518 struct pwc_frame_buf *buf;
519
520 buf = list_entry(pdev->queued_bufs.next, struct pwc_frame_buf,
521 list);
522 list_del(&buf->list);
523 vb2_buffer_done(&buf->vb.vb2_buf, state);
524 }
525 spin_unlock_irqrestore(&pdev->queued_bufs_lock, flags);
526}
527
528#ifdef CONFIG_USB_PWC_DEBUG
529static const char *pwc_sensor_type_to_string(unsigned int sensor_type)
530{
531 switch(sensor_type) {
532 case 0x00:
533 return "Hyundai CMOS sensor";
534 case 0x20:
535 return "Sony CCD sensor + TDA8787";
536 case 0x2E:
537 return "Sony CCD sensor + Exas 98L59";
538 case 0x2F:
539 return "Sony CCD sensor + ADI 9804";
540 case 0x30:
541 return "Sharp CCD sensor + TDA8787";
542 case 0x3E:
543 return "Sharp CCD sensor + Exas 98L59";
544 case 0x3F:
545 return "Sharp CCD sensor + ADI 9804";
546 case 0x40:
547 return "UPA 1021 sensor";
548 case 0x100:
549 return "VGA sensor";
550 case 0x101:
551 return "PAL MR sensor";
552 default:
553 return "unknown type of sensor";
554 }
555}
556#endif
557
558
559
560
561static void pwc_video_release(struct v4l2_device *v)
562{
563 struct pwc_device *pdev = container_of(v, struct pwc_device, v4l2_dev);
564
565 v4l2_ctrl_handler_free(&pdev->ctrl_handler);
566 v4l2_device_unregister(&pdev->v4l2_dev);
567 kfree(pdev->ctrl_buf);
568 kfree(pdev);
569}
570
571
572
573
574static int queue_setup(struct vb2_queue *vq,
575 unsigned int *nbuffers, unsigned int *nplanes,
576 unsigned int sizes[], void *alloc_ctxs[])
577{
578 struct pwc_device *pdev = vb2_get_drv_priv(vq);
579 int size;
580
581 if (*nbuffers < MIN_FRAMES)
582 *nbuffers = MIN_FRAMES;
583 else if (*nbuffers > MAX_FRAMES)
584 *nbuffers = MAX_FRAMES;
585
586 *nplanes = 1;
587
588 size = pwc_get_size(pdev, MAX_WIDTH, MAX_HEIGHT);
589 sizes[0] = PAGE_ALIGN(pwc_image_sizes[size][0] *
590 pwc_image_sizes[size][1] * 3 / 2);
591
592 return 0;
593}
594
595static int buffer_init(struct vb2_buffer *vb)
596{
597 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
598 struct pwc_frame_buf *buf =
599 container_of(vbuf, struct pwc_frame_buf, vb);
600
601
602 buf->data = vzalloc(PWC_FRAME_SIZE);
603 if (buf->data == NULL)
604 return -ENOMEM;
605
606 return 0;
607}
608
609static int buffer_prepare(struct vb2_buffer *vb)
610{
611 struct pwc_device *pdev = vb2_get_drv_priv(vb->vb2_queue);
612
613
614 if (!pdev->udev)
615 return -ENODEV;
616
617 return 0;
618}
619
620static void buffer_finish(struct vb2_buffer *vb)
621{
622 struct pwc_device *pdev = vb2_get_drv_priv(vb->vb2_queue);
623 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
624 struct pwc_frame_buf *buf =
625 container_of(vbuf, struct pwc_frame_buf, vb);
626
627 if (vb->state == VB2_BUF_STATE_DONE) {
628
629
630
631
632
633
634 pwc_decompress(pdev, buf);
635 }
636}
637
638static void buffer_cleanup(struct vb2_buffer *vb)
639{
640 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
641 struct pwc_frame_buf *buf =
642 container_of(vbuf, struct pwc_frame_buf, vb);
643
644 vfree(buf->data);
645}
646
647static void buffer_queue(struct vb2_buffer *vb)
648{
649 struct pwc_device *pdev = vb2_get_drv_priv(vb->vb2_queue);
650 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
651 struct pwc_frame_buf *buf =
652 container_of(vbuf, struct pwc_frame_buf, vb);
653 unsigned long flags = 0;
654
655
656 if (!pdev->udev) {
657 vb2_buffer_done(vb, VB2_BUF_STATE_ERROR);
658 return;
659 }
660
661 spin_lock_irqsave(&pdev->queued_bufs_lock, flags);
662 list_add_tail(&buf->list, &pdev->queued_bufs);
663 spin_unlock_irqrestore(&pdev->queued_bufs_lock, flags);
664}
665
666static int start_streaming(struct vb2_queue *vq, unsigned int count)
667{
668 struct pwc_device *pdev = vb2_get_drv_priv(vq);
669 int r;
670
671 if (!pdev->udev)
672 return -ENODEV;
673
674 if (mutex_lock_interruptible(&pdev->v4l2_lock))
675 return -ERESTARTSYS;
676
677 pwc_camera_power(pdev, 1);
678 pwc_set_leds(pdev, leds[0], leds[1]);
679
680 r = pwc_isoc_init(pdev);
681 if (r) {
682
683 pwc_set_leds(pdev, 0, 0);
684 pwc_camera_power(pdev, 0);
685
686 pwc_cleanup_queued_bufs(pdev, VB2_BUF_STATE_QUEUED);
687 }
688 mutex_unlock(&pdev->v4l2_lock);
689
690 return r;
691}
692
693static void stop_streaming(struct vb2_queue *vq)
694{
695 struct pwc_device *pdev = vb2_get_drv_priv(vq);
696
697 mutex_lock(&pdev->v4l2_lock);
698 if (pdev->udev) {
699 pwc_set_leds(pdev, 0, 0);
700 pwc_camera_power(pdev, 0);
701 pwc_isoc_cleanup(pdev);
702 }
703
704 pwc_cleanup_queued_bufs(pdev, VB2_BUF_STATE_ERROR);
705 if (pdev->fill_buf)
706 vb2_buffer_done(&pdev->fill_buf->vb.vb2_buf,
707 VB2_BUF_STATE_ERROR);
708 mutex_unlock(&pdev->v4l2_lock);
709}
710
711static struct vb2_ops pwc_vb_queue_ops = {
712 .queue_setup = queue_setup,
713 .buf_init = buffer_init,
714 .buf_prepare = buffer_prepare,
715 .buf_finish = buffer_finish,
716 .buf_cleanup = buffer_cleanup,
717 .buf_queue = buffer_queue,
718 .start_streaming = start_streaming,
719 .stop_streaming = stop_streaming,
720 .wait_prepare = vb2_ops_wait_prepare,
721 .wait_finish = vb2_ops_wait_finish,
722};
723
724
725
726
727
728
729
730
731static int usb_pwc_probe(struct usb_interface *intf, const struct usb_device_id *id)
732{
733 struct usb_device *udev = interface_to_usbdev(intf);
734 struct pwc_device *pdev = NULL;
735 int vendor_id, product_id, type_id;
736 int rc;
737 int features = 0;
738 int compression = 0;
739 int my_power_save = power_save;
740 char serial_number[30], *name;
741
742 vendor_id = le16_to_cpu(udev->descriptor.idVendor);
743 product_id = le16_to_cpu(udev->descriptor.idProduct);
744
745
746 PWC_DEBUG_PROBE("probe() called [%04X %04X], if %d\n",
747 vendor_id, product_id,
748 intf->altsetting->desc.bInterfaceNumber);
749
750
751
752
753
754 if (intf->altsetting->desc.bInterfaceNumber > 0)
755 return -ENODEV;
756
757 if (vendor_id == 0x0471) {
758 switch (product_id) {
759 case 0x0302:
760 PWC_INFO("Philips PCA645VC USB webcam detected.\n");
761 name = "Philips 645 webcam";
762 type_id = 645;
763 break;
764 case 0x0303:
765 PWC_INFO("Philips PCA646VC USB webcam detected.\n");
766 name = "Philips 646 webcam";
767 type_id = 646;
768 break;
769 case 0x0304:
770 PWC_INFO("Askey VC010 type 2 USB webcam detected.\n");
771 name = "Askey VC010 webcam";
772 type_id = 646;
773 break;
774 case 0x0307:
775 PWC_INFO("Philips PCVC675K (Vesta) USB webcam detected.\n");
776 name = "Philips 675 webcam";
777 type_id = 675;
778 break;
779 case 0x0308:
780 PWC_INFO("Philips PCVC680K (Vesta Pro) USB webcam detected.\n");
781 name = "Philips 680 webcam";
782 type_id = 680;
783 break;
784 case 0x030C:
785 PWC_INFO("Philips PCVC690K (Vesta Pro Scan) USB webcam detected.\n");
786 name = "Philips 690 webcam";
787 type_id = 690;
788 break;
789 case 0x0310:
790 PWC_INFO("Philips PCVC730K (ToUCam Fun)/PCVC830 (ToUCam II) USB webcam detected.\n");
791 name = "Philips 730 webcam";
792 type_id = 730;
793 break;
794 case 0x0311:
795 PWC_INFO("Philips PCVC740K (ToUCam Pro)/PCVC840 (ToUCam II) USB webcam detected.\n");
796 name = "Philips 740 webcam";
797 type_id = 740;
798 break;
799 case 0x0312:
800 PWC_INFO("Philips PCVC750K (ToUCam Pro Scan) USB webcam detected.\n");
801 name = "Philips 750 webcam";
802 type_id = 750;
803 break;
804 case 0x0313:
805 PWC_INFO("Philips PCVC720K/40 (ToUCam XS) USB webcam detected.\n");
806 name = "Philips 720K/40 webcam";
807 type_id = 720;
808 break;
809 case 0x0329:
810 PWC_INFO("Philips SPC 900NC USB webcam detected.\n");
811 name = "Philips SPC 900NC webcam";
812 type_id = 740;
813 break;
814 case 0x032C:
815 PWC_INFO("Philips SPC 880NC USB webcam detected.\n");
816 name = "Philips SPC 880NC webcam";
817 type_id = 740;
818 break;
819 default:
820 return -ENODEV;
821 break;
822 }
823 }
824 else if (vendor_id == 0x069A) {
825 switch(product_id) {
826 case 0x0001:
827 PWC_INFO("Askey VC010 type 1 USB webcam detected.\n");
828 name = "Askey VC010 webcam";
829 type_id = 645;
830 break;
831 default:
832 return -ENODEV;
833 break;
834 }
835 }
836 else if (vendor_id == 0x046d) {
837 switch(product_id) {
838 case 0x08b0:
839 PWC_INFO("Logitech QuickCam Pro 3000 USB webcam detected.\n");
840 name = "Logitech QuickCam Pro 3000";
841 type_id = 740;
842 break;
843 case 0x08b1:
844 PWC_INFO("Logitech QuickCam Notebook Pro USB webcam detected.\n");
845 name = "Logitech QuickCam Notebook Pro";
846 type_id = 740;
847 break;
848 case 0x08b2:
849 PWC_INFO("Logitech QuickCam 4000 Pro USB webcam detected.\n");
850 name = "Logitech QuickCam Pro 4000";
851 type_id = 740;
852 if (my_power_save == -1)
853 my_power_save = 1;
854 break;
855 case 0x08b3:
856 PWC_INFO("Logitech QuickCam Zoom USB webcam detected.\n");
857 name = "Logitech QuickCam Zoom";
858 type_id = 740;
859 break;
860 case 0x08B4:
861 PWC_INFO("Logitech QuickCam Zoom (new model) USB webcam detected.\n");
862 name = "Logitech QuickCam Zoom";
863 type_id = 740;
864 if (my_power_save == -1)
865 my_power_save = 1;
866 break;
867 case 0x08b5:
868 PWC_INFO("Logitech QuickCam Orbit/Sphere USB webcam detected.\n");
869 name = "Logitech QuickCam Orbit";
870 type_id = 740;
871 if (my_power_save == -1)
872 my_power_save = 1;
873 features |= FEATURE_MOTOR_PANTILT;
874 break;
875 case 0x08b6:
876 PWC_INFO("Logitech/Cisco VT Camera webcam detected.\n");
877 name = "Cisco VT Camera";
878 type_id = 740;
879 break;
880 case 0x08b7:
881 PWC_INFO("Logitech ViewPort AV 100 webcam detected.\n");
882 name = "Logitech ViewPort AV 100";
883 type_id = 740;
884 break;
885 case 0x08b8:
886 PWC_INFO("Logitech QuickCam detected (reserved ID).\n");
887 name = "Logitech QuickCam (res.)";
888 type_id = 730;
889 break;
890 default:
891 return -ENODEV;
892 break;
893 }
894 }
895 else if (vendor_id == 0x055d) {
896
897
898
899
900 switch(product_id) {
901 case 0x9000:
902 PWC_INFO("Samsung MPC-C10 USB webcam detected.\n");
903 name = "Samsung MPC-C10";
904 type_id = 675;
905 break;
906 case 0x9001:
907 PWC_INFO("Samsung MPC-C30 USB webcam detected.\n");
908 name = "Samsung MPC-C30";
909 type_id = 675;
910 break;
911 case 0x9002:
912 PWC_INFO("Samsung SNC-35E (v3.0) USB webcam detected.\n");
913 name = "Samsung MPC-C30";
914 type_id = 740;
915 break;
916 default:
917 return -ENODEV;
918 break;
919 }
920 }
921 else if (vendor_id == 0x041e) {
922 switch(product_id) {
923 case 0x400c:
924 PWC_INFO("Creative Labs Webcam 5 detected.\n");
925 name = "Creative Labs Webcam 5";
926 type_id = 730;
927 if (my_power_save == -1)
928 my_power_save = 1;
929 break;
930 case 0x4011:
931 PWC_INFO("Creative Labs Webcam Pro Ex detected.\n");
932 name = "Creative Labs Webcam Pro Ex";
933 type_id = 740;
934 break;
935 default:
936 return -ENODEV;
937 break;
938 }
939 }
940 else if (vendor_id == 0x04cc) {
941 switch(product_id) {
942 case 0x8116:
943 PWC_INFO("Sotec Afina Eye USB webcam detected.\n");
944 name = "Sotec Afina Eye";
945 type_id = 730;
946 break;
947 default:
948 return -ENODEV;
949 break;
950 }
951 }
952 else if (vendor_id == 0x06be) {
953 switch(product_id) {
954 case 0x8116:
955
956 PWC_INFO("AME Co. Afina Eye USB webcam detected.\n");
957 name = "AME Co. Afina Eye";
958 type_id = 750;
959 break;
960 default:
961 return -ENODEV;
962 break;
963 }
964
965 }
966 else if (vendor_id == 0x0d81) {
967 switch(product_id) {
968 case 0x1900:
969 PWC_INFO("Visionite VCS-UC300 USB webcam detected.\n");
970 name = "Visionite VCS-UC300";
971 type_id = 740;
972 break;
973 case 0x1910:
974 PWC_INFO("Visionite VCS-UM100 USB webcam detected.\n");
975 name = "Visionite VCS-UM100";
976 type_id = 730;
977 break;
978 default:
979 return -ENODEV;
980 break;
981 }
982 }
983 else
984 return -ENODEV;
985
986 if (my_power_save == -1)
987 my_power_save = 0;
988
989 memset(serial_number, 0, 30);
990 usb_string(udev, udev->descriptor.iSerialNumber, serial_number, 29);
991 PWC_DEBUG_PROBE("Device serial number is %s\n", serial_number);
992
993 if (udev->descriptor.bNumConfigurations > 1)
994 PWC_WARNING("Warning: more than 1 configuration available.\n");
995
996
997 pdev = kzalloc(sizeof(struct pwc_device), GFP_KERNEL);
998 if (pdev == NULL) {
999 PWC_ERROR("Oops, could not allocate memory for pwc_device.\n");
1000 return -ENOMEM;
1001 }
1002 pdev->type = type_id;
1003 pdev->features = features;
1004 pwc_construct(pdev);
1005
1006 mutex_init(&pdev->v4l2_lock);
1007 mutex_init(&pdev->vb_queue_lock);
1008 spin_lock_init(&pdev->queued_bufs_lock);
1009 INIT_LIST_HEAD(&pdev->queued_bufs);
1010
1011 pdev->udev = udev;
1012 pdev->power_save = my_power_save;
1013
1014
1015 pdev->vb_queue.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1016 pdev->vb_queue.io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ;
1017 pdev->vb_queue.drv_priv = pdev;
1018 pdev->vb_queue.buf_struct_size = sizeof(struct pwc_frame_buf);
1019 pdev->vb_queue.ops = &pwc_vb_queue_ops;
1020 pdev->vb_queue.mem_ops = &vb2_vmalloc_memops;
1021 pdev->vb_queue.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1022 rc = vb2_queue_init(&pdev->vb_queue);
1023 if (rc < 0) {
1024 PWC_ERROR("Oops, could not initialize vb2 queue.\n");
1025 goto err_free_mem;
1026 }
1027
1028
1029 pdev->vdev = pwc_template;
1030 strcpy(pdev->vdev.name, name);
1031 pdev->vdev.queue = &pdev->vb_queue;
1032 pdev->vdev.queue->lock = &pdev->vb_queue_lock;
1033 video_set_drvdata(&pdev->vdev, pdev);
1034
1035 pdev->release = le16_to_cpu(udev->descriptor.bcdDevice);
1036 PWC_DEBUG_PROBE("Release: %04x\n", pdev->release);
1037
1038
1039 pdev->ctrl_buf = kmalloc(sizeof(pdev->cmd_buf), GFP_KERNEL);
1040 if (!pdev->ctrl_buf) {
1041 PWC_ERROR("Oops, could not allocate memory for pwc_device.\n");
1042 rc = -ENOMEM;
1043 goto err_free_mem;
1044 }
1045
1046#ifdef CONFIG_USB_PWC_DEBUG
1047
1048 if (pwc_get_cmos_sensor(pdev, &rc) >= 0) {
1049 PWC_DEBUG_OPEN("This %s camera is equipped with a %s (%d).\n",
1050 pdev->vdev.name,
1051 pwc_sensor_type_to_string(rc), rc);
1052 }
1053#endif
1054
1055
1056 pwc_set_leds(pdev, 0, 0);
1057
1058
1059 rc = pwc_set_video_mode(pdev, MAX_WIDTH, MAX_HEIGHT,
1060 V4L2_PIX_FMT_YUV420, 30, &compression, 1);
1061 if (rc)
1062 goto err_free_mem;
1063
1064
1065 rc = pwc_init_controls(pdev);
1066 if (rc) {
1067 PWC_ERROR("Failed to register v4l2 controls (%d).\n", rc);
1068 goto err_free_mem;
1069 }
1070
1071
1072 pwc_camera_power(pdev, 0);
1073
1074
1075 pdev->v4l2_dev.release = pwc_video_release;
1076 rc = v4l2_device_register(&intf->dev, &pdev->v4l2_dev);
1077 if (rc) {
1078 PWC_ERROR("Failed to register v4l2-device (%d).\n", rc);
1079 goto err_free_controls;
1080 }
1081
1082 pdev->v4l2_dev.ctrl_handler = &pdev->ctrl_handler;
1083 pdev->vdev.v4l2_dev = &pdev->v4l2_dev;
1084 pdev->vdev.lock = &pdev->v4l2_lock;
1085
1086 rc = video_register_device(&pdev->vdev, VFL_TYPE_GRABBER, -1);
1087 if (rc < 0) {
1088 PWC_ERROR("Failed to register as video device (%d).\n", rc);
1089 goto err_unregister_v4l2_dev;
1090 }
1091 PWC_INFO("Registered as %s.\n", video_device_node_name(&pdev->vdev));
1092
1093#ifdef CONFIG_USB_PWC_INPUT_EVDEV
1094
1095 pdev->button_dev = input_allocate_device();
1096 if (!pdev->button_dev) {
1097 rc = -ENOMEM;
1098 goto err_video_unreg;
1099 }
1100
1101 usb_make_path(udev, pdev->button_phys, sizeof(pdev->button_phys));
1102 strlcat(pdev->button_phys, "/input0", sizeof(pdev->button_phys));
1103
1104 pdev->button_dev->name = "PWC snapshot button";
1105 pdev->button_dev->phys = pdev->button_phys;
1106 usb_to_input_id(pdev->udev, &pdev->button_dev->id);
1107 pdev->button_dev->dev.parent = &pdev->udev->dev;
1108 pdev->button_dev->evbit[0] = BIT_MASK(EV_KEY);
1109 pdev->button_dev->keybit[BIT_WORD(KEY_CAMERA)] = BIT_MASK(KEY_CAMERA);
1110
1111 rc = input_register_device(pdev->button_dev);
1112 if (rc) {
1113 input_free_device(pdev->button_dev);
1114 pdev->button_dev = NULL;
1115 goto err_video_unreg;
1116 }
1117#endif
1118
1119 return 0;
1120
1121err_video_unreg:
1122 video_unregister_device(&pdev->vdev);
1123err_unregister_v4l2_dev:
1124 v4l2_device_unregister(&pdev->v4l2_dev);
1125err_free_controls:
1126 v4l2_ctrl_handler_free(&pdev->ctrl_handler);
1127err_free_mem:
1128 kfree(pdev->ctrl_buf);
1129 kfree(pdev);
1130 return rc;
1131}
1132
1133
1134static void usb_pwc_disconnect(struct usb_interface *intf)
1135{
1136 struct v4l2_device *v = usb_get_intfdata(intf);
1137 struct pwc_device *pdev = container_of(v, struct pwc_device, v4l2_dev);
1138
1139 mutex_lock(&pdev->vb_queue_lock);
1140 mutex_lock(&pdev->v4l2_lock);
1141
1142 if (pdev->vb_queue.streaming)
1143 pwc_isoc_cleanup(pdev);
1144 pdev->udev = NULL;
1145
1146 v4l2_device_disconnect(&pdev->v4l2_dev);
1147 video_unregister_device(&pdev->vdev);
1148 mutex_unlock(&pdev->v4l2_lock);
1149 mutex_unlock(&pdev->vb_queue_lock);
1150
1151#ifdef CONFIG_USB_PWC_INPUT_EVDEV
1152 if (pdev->button_dev)
1153 input_unregister_device(pdev->button_dev);
1154#endif
1155
1156 v4l2_device_put(&pdev->v4l2_dev);
1157}
1158
1159
1160
1161
1162
1163
1164static unsigned int leds_nargs;
1165
1166#ifdef CONFIG_USB_PWC_DEBUG
1167module_param_named(trace, pwc_trace, int, 0644);
1168#endif
1169module_param(power_save, int, 0644);
1170module_param_array(leds, int, &leds_nargs, 0444);
1171
1172#ifdef CONFIG_USB_PWC_DEBUG
1173MODULE_PARM_DESC(trace, "For debugging purposes");
1174#endif
1175MODULE_PARM_DESC(power_save, "Turn power saving for new cameras on or off");
1176MODULE_PARM_DESC(leds, "LED on,off time in milliseconds");
1177
1178MODULE_DESCRIPTION("Philips & OEM USB webcam driver");
1179MODULE_AUTHOR("Luc Saillard <luc@saillard.org>");
1180MODULE_LICENSE("GPL");
1181MODULE_ALIAS("pwcx");
1182MODULE_VERSION( PWC_VERSION );
1183
1184module_usb_driver(pwc_driver);
1185