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8b2f0795 DH |
1 | /* |
2 | * Auvitek AU0828 USB Bridge (Analog video support) | |
3 | * | |
4 | * Copyright (C) 2009 Devin Heitmueller <dheitmueller@linuxtv.org> | |
5 | * Copyright (C) 2005-2008 Auvitek International, Ltd. | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU General Public License | |
9 | * As published by the Free Software Foundation; either version 2 | |
10 | * of the License, or (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | |
20 | * 02110-1301, USA. | |
21 | */ | |
22 | ||
23 | /* Developer Notes: | |
24 | * | |
25 | * VBI support is not yet working | |
26 | * The hardware scaler supported is unimplemented | |
27 | * AC97 audio support is unimplemented (only i2s audio mode) | |
28 | * | |
29 | */ | |
30 | ||
31 | #include <linux/module.h> | |
32 | #include <linux/init.h> | |
33 | #include <linux/device.h> | |
34 | #include <linux/suspend.h> | |
35 | #include <linux/version.h> | |
8b2f0795 DH |
36 | #include <media/v4l2-common.h> |
37 | #include <media/v4l2-ioctl.h> | |
38 | #include <media/v4l2-chip-ident.h> | |
39 | #include <media/tuner.h> | |
40 | #include "au0828.h" | |
41 | #include "au0828-reg.h" | |
42 | ||
8b2f0795 DH |
43 | static DEFINE_MUTEX(au0828_sysfs_lock); |
44 | ||
45 | #define AU0828_VERSION_CODE KERNEL_VERSION(0, 0, 1) | |
46 | ||
8b2f0795 DH |
47 | /* ------------------------------------------------------------------ |
48 | Videobuf operations | |
49 | ------------------------------------------------------------------*/ | |
50 | ||
51 | static unsigned int isoc_debug; | |
52 | module_param(isoc_debug, int, 0644); | |
53 | MODULE_PARM_DESC(isoc_debug, "enable debug messages [isoc transfers]"); | |
54 | ||
55 | #define au0828_isocdbg(fmt, arg...) \ | |
56 | do {\ | |
57 | if (isoc_debug) { \ | |
58 | printk(KERN_INFO "au0828 %s :"fmt, \ | |
59 | __func__ , ##arg); \ | |
60 | } \ | |
61 | } while (0) | |
62 | ||
63 | static inline void print_err_status(struct au0828_dev *dev, | |
64 | int packet, int status) | |
65 | { | |
66 | char *errmsg = "Unknown"; | |
67 | ||
68 | switch (status) { | |
69 | case -ENOENT: | |
70 | errmsg = "unlinked synchronuously"; | |
71 | break; | |
72 | case -ECONNRESET: | |
73 | errmsg = "unlinked asynchronuously"; | |
74 | break; | |
75 | case -ENOSR: | |
76 | errmsg = "Buffer error (overrun)"; | |
77 | break; | |
78 | case -EPIPE: | |
79 | errmsg = "Stalled (device not responding)"; | |
80 | break; | |
81 | case -EOVERFLOW: | |
82 | errmsg = "Babble (bad cable?)"; | |
83 | break; | |
84 | case -EPROTO: | |
85 | errmsg = "Bit-stuff error (bad cable?)"; | |
86 | break; | |
87 | case -EILSEQ: | |
88 | errmsg = "CRC/Timeout (could be anything)"; | |
89 | break; | |
90 | case -ETIME: | |
91 | errmsg = "Device does not respond"; | |
92 | break; | |
93 | } | |
94 | if (packet < 0) { | |
95 | au0828_isocdbg("URB status %d [%s].\n", status, errmsg); | |
96 | } else { | |
97 | au0828_isocdbg("URB packet %d, status %d [%s].\n", | |
98 | packet, status, errmsg); | |
99 | } | |
100 | } | |
101 | ||
102 | static int check_dev(struct au0828_dev *dev) | |
103 | { | |
104 | if (dev->dev_state & DEV_DISCONNECTED) { | |
62899a28 | 105 | printk(KERN_INFO "v4l2 ioctl: device not present\n"); |
8b2f0795 DH |
106 | return -ENODEV; |
107 | } | |
108 | ||
109 | if (dev->dev_state & DEV_MISCONFIGURED) { | |
62899a28 | 110 | printk(KERN_INFO "v4l2 ioctl: device is misconfigured; " |
8b2f0795 DH |
111 | "close and open it again\n"); |
112 | return -EIO; | |
113 | } | |
114 | return 0; | |
115 | } | |
116 | ||
117 | /* | |
118 | * IRQ callback, called by URB callback | |
119 | */ | |
120 | static void au0828_irq_callback(struct urb *urb) | |
121 | { | |
122 | struct au0828_dmaqueue *dma_q = urb->context; | |
123 | struct au0828_dev *dev = container_of(dma_q, struct au0828_dev, vidq); | |
124 | int rc, i; | |
125 | ||
126 | switch (urb->status) { | |
127 | case 0: /* success */ | |
128 | case -ETIMEDOUT: /* NAK */ | |
129 | break; | |
130 | case -ECONNRESET: /* kill */ | |
131 | case -ENOENT: | |
132 | case -ESHUTDOWN: | |
133 | au0828_isocdbg("au0828_irq_callback called: status kill\n"); | |
134 | return; | |
135 | default: /* unknown error */ | |
136 | au0828_isocdbg("urb completition error %d.\n", urb->status); | |
137 | break; | |
138 | } | |
139 | ||
140 | /* Copy data from URB */ | |
141 | spin_lock(&dev->slock); | |
142 | rc = dev->isoc_ctl.isoc_copy(dev, urb); | |
143 | spin_unlock(&dev->slock); | |
144 | ||
145 | /* Reset urb buffers */ | |
146 | for (i = 0; i < urb->number_of_packets; i++) { | |
147 | urb->iso_frame_desc[i].status = 0; | |
148 | urb->iso_frame_desc[i].actual_length = 0; | |
149 | } | |
150 | urb->status = 0; | |
151 | ||
152 | urb->status = usb_submit_urb(urb, GFP_ATOMIC); | |
153 | if (urb->status) { | |
154 | au0828_isocdbg("urb resubmit failed (error=%i)\n", | |
155 | urb->status); | |
156 | } | |
157 | } | |
158 | ||
159 | /* | |
160 | * Stop and Deallocate URBs | |
161 | */ | |
162 | void au0828_uninit_isoc(struct au0828_dev *dev) | |
163 | { | |
164 | struct urb *urb; | |
165 | int i; | |
166 | ||
167 | au0828_isocdbg("au0828: called au0828_uninit_isoc\n"); | |
168 | ||
169 | dev->isoc_ctl.nfields = -1; | |
170 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
171 | urb = dev->isoc_ctl.urb[i]; | |
172 | if (urb) { | |
173 | if (!irqs_disabled()) | |
174 | usb_kill_urb(urb); | |
175 | else | |
176 | usb_unlink_urb(urb); | |
177 | ||
178 | if (dev->isoc_ctl.transfer_buffer[i]) { | |
179 | usb_buffer_free(dev->usbdev, | |
180 | urb->transfer_buffer_length, | |
181 | dev->isoc_ctl.transfer_buffer[i], | |
182 | urb->transfer_dma); | |
183 | } | |
184 | usb_free_urb(urb); | |
185 | dev->isoc_ctl.urb[i] = NULL; | |
186 | } | |
187 | dev->isoc_ctl.transfer_buffer[i] = NULL; | |
188 | } | |
189 | ||
190 | kfree(dev->isoc_ctl.urb); | |
191 | kfree(dev->isoc_ctl.transfer_buffer); | |
192 | ||
193 | dev->isoc_ctl.urb = NULL; | |
194 | dev->isoc_ctl.transfer_buffer = NULL; | |
195 | dev->isoc_ctl.num_bufs = 0; | |
196 | } | |
197 | ||
198 | /* | |
199 | * Allocate URBs and start IRQ | |
200 | */ | |
201 | int au0828_init_isoc(struct au0828_dev *dev, int max_packets, | |
202 | int num_bufs, int max_pkt_size, | |
203 | int (*isoc_copy) (struct au0828_dev *dev, struct urb *urb)) | |
204 | { | |
205 | struct au0828_dmaqueue *dma_q = &dev->vidq; | |
206 | int i; | |
207 | int sb_size, pipe; | |
208 | struct urb *urb; | |
209 | int j, k; | |
210 | int rc; | |
211 | ||
212 | au0828_isocdbg("au0828: called au0828_prepare_isoc\n"); | |
213 | ||
214 | /* De-allocates all pending stuff */ | |
215 | au0828_uninit_isoc(dev); | |
216 | ||
217 | dev->isoc_ctl.isoc_copy = isoc_copy; | |
218 | dev->isoc_ctl.num_bufs = num_bufs; | |
219 | ||
220 | dev->isoc_ctl.urb = kzalloc(sizeof(void *)*num_bufs, GFP_KERNEL); | |
221 | if (!dev->isoc_ctl.urb) { | |
222 | au0828_isocdbg("cannot alloc memory for usb buffers\n"); | |
223 | return -ENOMEM; | |
224 | } | |
225 | ||
226 | dev->isoc_ctl.transfer_buffer = kzalloc(sizeof(void *)*num_bufs, | |
227 | GFP_KERNEL); | |
228 | if (!dev->isoc_ctl.transfer_buffer) { | |
229 | au0828_isocdbg("cannot allocate memory for usb transfer\n"); | |
230 | kfree(dev->isoc_ctl.urb); | |
231 | return -ENOMEM; | |
232 | } | |
233 | ||
234 | dev->isoc_ctl.max_pkt_size = max_pkt_size; | |
235 | dev->isoc_ctl.buf = NULL; | |
236 | ||
237 | sb_size = max_packets * dev->isoc_ctl.max_pkt_size; | |
238 | ||
239 | /* allocate urbs and transfer buffers */ | |
240 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
241 | urb = usb_alloc_urb(max_packets, GFP_KERNEL); | |
242 | if (!urb) { | |
243 | au0828_isocdbg("cannot alloc isoc_ctl.urb %i\n", i); | |
244 | au0828_uninit_isoc(dev); | |
245 | return -ENOMEM; | |
246 | } | |
247 | dev->isoc_ctl.urb[i] = urb; | |
248 | ||
249 | dev->isoc_ctl.transfer_buffer[i] = usb_buffer_alloc(dev->usbdev, | |
250 | sb_size, GFP_KERNEL, &urb->transfer_dma); | |
251 | if (!dev->isoc_ctl.transfer_buffer[i]) { | |
252 | printk("unable to allocate %i bytes for transfer" | |
253 | " buffer %i%s\n", | |
254 | sb_size, i, | |
255 | in_interrupt() ? " while in int" : ""); | |
256 | au0828_uninit_isoc(dev); | |
257 | return -ENOMEM; | |
258 | } | |
259 | memset(dev->isoc_ctl.transfer_buffer[i], 0, sb_size); | |
260 | ||
261 | pipe = usb_rcvisocpipe(dev->usbdev, | |
262 | dev->isoc_in_endpointaddr), | |
263 | ||
264 | usb_fill_int_urb(urb, dev->usbdev, pipe, | |
265 | dev->isoc_ctl.transfer_buffer[i], sb_size, | |
266 | au0828_irq_callback, dma_q, 1); | |
267 | ||
268 | urb->number_of_packets = max_packets; | |
fadadb7d | 269 | urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; |
8b2f0795 DH |
270 | |
271 | k = 0; | |
272 | for (j = 0; j < max_packets; j++) { | |
273 | urb->iso_frame_desc[j].offset = k; | |
274 | urb->iso_frame_desc[j].length = | |
275 | dev->isoc_ctl.max_pkt_size; | |
276 | k += dev->isoc_ctl.max_pkt_size; | |
277 | } | |
278 | } | |
279 | ||
280 | init_waitqueue_head(&dma_q->wq); | |
281 | ||
282 | /* submit urbs and enables IRQ */ | |
283 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
284 | rc = usb_submit_urb(dev->isoc_ctl.urb[i], GFP_ATOMIC); | |
285 | if (rc) { | |
286 | au0828_isocdbg("submit of urb %i failed (error=%i)\n", | |
287 | i, rc); | |
288 | au0828_uninit_isoc(dev); | |
289 | return rc; | |
290 | } | |
291 | } | |
292 | ||
293 | return 0; | |
294 | } | |
295 | ||
296 | /* | |
297 | * Announces that a buffer were filled and request the next | |
298 | */ | |
299 | static inline void buffer_filled(struct au0828_dev *dev, | |
300 | struct au0828_dmaqueue *dma_q, | |
301 | struct au0828_buffer *buf) | |
302 | { | |
303 | /* Advice that buffer was filled */ | |
304 | au0828_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i); | |
305 | ||
306 | buf->vb.state = VIDEOBUF_DONE; | |
307 | buf->vb.field_count++; | |
308 | do_gettimeofday(&buf->vb.ts); | |
309 | ||
310 | dev->isoc_ctl.buf = NULL; | |
311 | ||
312 | list_del(&buf->vb.queue); | |
313 | wake_up(&buf->vb.done); | |
314 | } | |
315 | ||
316 | /* | |
317 | * Identify the buffer header type and properly handles | |
318 | */ | |
319 | static void au0828_copy_video(struct au0828_dev *dev, | |
320 | struct au0828_dmaqueue *dma_q, | |
321 | struct au0828_buffer *buf, | |
322 | unsigned char *p, | |
323 | unsigned char *outp, unsigned long len) | |
324 | { | |
325 | void *fieldstart, *startwrite, *startread; | |
326 | int linesdone, currlinedone, offset, lencopy, remain; | |
327 | int bytesperline = dev->width << 1; /* Assumes 16-bit depth @@@@ */ | |
328 | ||
329 | if (dma_q->pos + len > buf->vb.size) | |
330 | len = buf->vb.size - dma_q->pos; | |
331 | ||
332 | startread = p; | |
333 | remain = len; | |
334 | ||
335 | /* Interlaces frame */ | |
336 | if (buf->top_field) | |
337 | fieldstart = outp; | |
338 | else | |
339 | fieldstart = outp + bytesperline; | |
340 | ||
341 | linesdone = dma_q->pos / bytesperline; | |
342 | currlinedone = dma_q->pos % bytesperline; | |
343 | offset = linesdone * bytesperline * 2 + currlinedone; | |
344 | startwrite = fieldstart + offset; | |
345 | lencopy = bytesperline - currlinedone; | |
346 | lencopy = lencopy > remain ? remain : lencopy; | |
347 | ||
348 | if ((char *)startwrite + lencopy > (char *)outp + buf->vb.size) { | |
349 | au0828_isocdbg("Overflow of %zi bytes past buffer end (1)\n", | |
350 | ((char *)startwrite + lencopy) - | |
351 | ((char *)outp + buf->vb.size)); | |
352 | remain = (char *)outp + buf->vb.size - (char *)startwrite; | |
353 | lencopy = remain; | |
354 | } | |
355 | if (lencopy <= 0) | |
356 | return; | |
357 | memcpy(startwrite, startread, lencopy); | |
358 | ||
359 | remain -= lencopy; | |
360 | ||
361 | while (remain > 0) { | |
362 | startwrite += lencopy + bytesperline; | |
363 | startread += lencopy; | |
364 | if (bytesperline > remain) | |
365 | lencopy = remain; | |
366 | else | |
367 | lencopy = bytesperline; | |
368 | ||
369 | if ((char *)startwrite + lencopy > (char *)outp + | |
370 | buf->vb.size) { | |
62899a28 | 371 | au0828_isocdbg("Overflow %zi bytes past buf end (2)\n", |
8b2f0795 DH |
372 | ((char *)startwrite + lencopy) - |
373 | ((char *)outp + buf->vb.size)); | |
374 | lencopy = remain = (char *)outp + buf->vb.size - | |
375 | (char *)startwrite; | |
376 | } | |
377 | if (lencopy <= 0) | |
378 | break; | |
379 | ||
380 | memcpy(startwrite, startread, lencopy); | |
381 | ||
382 | remain -= lencopy; | |
383 | } | |
384 | ||
385 | if (offset > 1440) { | |
386 | /* We have enough data to check for greenscreen */ | |
62899a28 | 387 | if (outp[0] < 0x60 && outp[1440] < 0x60) |
8b2f0795 | 388 | dev->greenscreen_detected = 1; |
8b2f0795 DH |
389 | } |
390 | ||
391 | dma_q->pos += len; | |
392 | } | |
393 | ||
394 | /* | |
395 | * video-buf generic routine to get the next available buffer | |
396 | */ | |
397 | static inline void get_next_buf(struct au0828_dmaqueue *dma_q, | |
398 | struct au0828_buffer **buf) | |
399 | { | |
400 | struct au0828_dev *dev = container_of(dma_q, struct au0828_dev, vidq); | |
401 | ||
402 | if (list_empty(&dma_q->active)) { | |
403 | au0828_isocdbg("No active queue to serve\n"); | |
404 | dev->isoc_ctl.buf = NULL; | |
405 | *buf = NULL; | |
406 | return; | |
407 | } | |
408 | ||
409 | /* Get the next buffer */ | |
410 | *buf = list_entry(dma_q->active.next, struct au0828_buffer, vb.queue); | |
411 | dev->isoc_ctl.buf = *buf; | |
412 | ||
413 | return; | |
414 | } | |
415 | ||
416 | /* | |
417 | * Controls the isoc copy of each urb packet | |
418 | */ | |
419 | static inline int au0828_isoc_copy(struct au0828_dev *dev, struct urb *urb) | |
420 | { | |
421 | struct au0828_buffer *buf; | |
422 | struct au0828_dmaqueue *dma_q = urb->context; | |
423 | unsigned char *outp = NULL; | |
424 | int i, len = 0, rc = 1; | |
425 | unsigned char *p; | |
426 | unsigned char fbyte; | |
427 | ||
428 | if (!dev) | |
429 | return 0; | |
430 | ||
431 | if ((dev->dev_state & DEV_DISCONNECTED) || | |
432 | (dev->dev_state & DEV_MISCONFIGURED)) | |
433 | return 0; | |
434 | ||
435 | if (urb->status < 0) { | |
436 | print_err_status(dev, -1, urb->status); | |
437 | if (urb->status == -ENOENT) | |
438 | return 0; | |
439 | } | |
440 | ||
441 | buf = dev->isoc_ctl.buf; | |
442 | if (buf != NULL) | |
443 | outp = videobuf_to_vmalloc(&buf->vb); | |
444 | ||
445 | for (i = 0; i < urb->number_of_packets; i++) { | |
446 | int status = urb->iso_frame_desc[i].status; | |
447 | ||
448 | if (status < 0) { | |
449 | print_err_status(dev, i, status); | |
450 | if (urb->iso_frame_desc[i].status != -EPROTO) | |
451 | continue; | |
452 | } | |
453 | ||
62899a28 | 454 | if (urb->iso_frame_desc[i].actual_length <= 0) |
8b2f0795 | 455 | continue; |
62899a28 | 456 | |
8b2f0795 DH |
457 | if (urb->iso_frame_desc[i].actual_length > |
458 | dev->max_pkt_size) { | |
459 | au0828_isocdbg("packet bigger than packet size"); | |
460 | continue; | |
461 | } | |
462 | ||
463 | p = urb->transfer_buffer + urb->iso_frame_desc[i].offset; | |
464 | fbyte = p[0]; | |
465 | len = urb->iso_frame_desc[i].actual_length - 4; | |
466 | p += 4; | |
467 | ||
468 | if (fbyte & 0x80) { | |
469 | len -= 4; | |
470 | p += 4; | |
471 | au0828_isocdbg("Video frame %s\n", | |
472 | (fbyte & 0x40) ? "odd" : "even"); | |
473 | if (!(fbyte & 0x40)) { | |
474 | if (buf != NULL) | |
475 | buffer_filled(dev, dma_q, buf); | |
476 | get_next_buf(dma_q, &buf); | |
62899a28 | 477 | if (buf == NULL) |
8b2f0795 | 478 | outp = NULL; |
62899a28 | 479 | else |
8b2f0795 DH |
480 | outp = videobuf_to_vmalloc(&buf->vb); |
481 | } | |
482 | ||
483 | if (buf != NULL) { | |
62899a28 | 484 | if (fbyte & 0x40) |
8b2f0795 | 485 | buf->top_field = 1; |
62899a28 | 486 | else |
8b2f0795 | 487 | buf->top_field = 0; |
8b2f0795 DH |
488 | } |
489 | ||
490 | dma_q->pos = 0; | |
491 | } | |
62899a28 | 492 | if (buf != NULL) |
8b2f0795 | 493 | au0828_copy_video(dev, dma_q, buf, p, outp, len); |
8b2f0795 DH |
494 | } |
495 | return rc; | |
496 | } | |
497 | ||
498 | static int | |
499 | buffer_setup(struct videobuf_queue *vq, unsigned int *count, | |
500 | unsigned int *size) | |
501 | { | |
502 | struct au0828_fh *fh = vq->priv_data; | |
503 | *size = (fh->dev->width * fh->dev->height * 16 + 7) >> 3; | |
504 | ||
505 | if (0 == *count) | |
506 | *count = AU0828_DEF_BUF; | |
507 | ||
508 | if (*count < AU0828_MIN_BUF) | |
509 | *count = AU0828_MIN_BUF; | |
510 | return 0; | |
511 | } | |
512 | ||
513 | /* This is called *without* dev->slock held; please keep it that way */ | |
514 | static void free_buffer(struct videobuf_queue *vq, struct au0828_buffer *buf) | |
515 | { | |
516 | struct au0828_fh *fh = vq->priv_data; | |
517 | struct au0828_dev *dev = fh->dev; | |
518 | unsigned long flags = 0; | |
519 | if (in_interrupt()) | |
520 | BUG(); | |
521 | ||
522 | /* We used to wait for the buffer to finish here, but this didn't work | |
523 | because, as we were keeping the state as VIDEOBUF_QUEUED, | |
524 | videobuf_queue_cancel marked it as finished for us. | |
525 | (Also, it could wedge forever if the hardware was misconfigured.) | |
526 | ||
527 | This should be safe; by the time we get here, the buffer isn't | |
528 | queued anymore. If we ever start marking the buffers as | |
529 | VIDEOBUF_ACTIVE, it won't be, though. | |
530 | */ | |
531 | spin_lock_irqsave(&dev->slock, flags); | |
532 | if (dev->isoc_ctl.buf == buf) | |
533 | dev->isoc_ctl.buf = NULL; | |
534 | spin_unlock_irqrestore(&dev->slock, flags); | |
535 | ||
536 | videobuf_vmalloc_free(&buf->vb); | |
537 | buf->vb.state = VIDEOBUF_NEEDS_INIT; | |
538 | } | |
539 | ||
540 | static int | |
541 | buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, | |
542 | enum v4l2_field field) | |
543 | { | |
544 | struct au0828_fh *fh = vq->priv_data; | |
545 | struct au0828_buffer *buf = container_of(vb, struct au0828_buffer, vb); | |
546 | struct au0828_dev *dev = fh->dev; | |
547 | int rc = 0, urb_init = 0; | |
548 | ||
549 | buf->vb.size = (fh->dev->width * fh->dev->height * 16 + 7) >> 3; | |
550 | ||
551 | if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) | |
552 | return -EINVAL; | |
553 | ||
554 | buf->vb.width = dev->width; | |
555 | buf->vb.height = dev->height; | |
556 | buf->vb.field = field; | |
557 | ||
558 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { | |
559 | rc = videobuf_iolock(vq, &buf->vb, NULL); | |
560 | if (rc < 0) { | |
62899a28 | 561 | printk(KERN_INFO "videobuf_iolock failed\n"); |
8b2f0795 DH |
562 | goto fail; |
563 | } | |
564 | } | |
565 | ||
566 | if (!dev->isoc_ctl.num_bufs) | |
567 | urb_init = 1; | |
568 | ||
569 | if (urb_init) { | |
570 | rc = au0828_init_isoc(dev, AU0828_ISO_PACKETS_PER_URB, | |
571 | AU0828_MAX_ISO_BUFS, dev->max_pkt_size, | |
572 | au0828_isoc_copy); | |
573 | if (rc < 0) { | |
62899a28 | 574 | printk(KERN_INFO "au0828_init_isoc failed\n"); |
8b2f0795 DH |
575 | goto fail; |
576 | } | |
577 | } | |
578 | ||
579 | buf->vb.state = VIDEOBUF_PREPARED; | |
580 | return 0; | |
581 | ||
582 | fail: | |
583 | free_buffer(vq, buf); | |
584 | return rc; | |
585 | } | |
586 | ||
587 | static void | |
588 | buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) | |
589 | { | |
590 | struct au0828_buffer *buf = container_of(vb, | |
591 | struct au0828_buffer, | |
592 | vb); | |
593 | struct au0828_fh *fh = vq->priv_data; | |
594 | struct au0828_dev *dev = fh->dev; | |
595 | struct au0828_dmaqueue *vidq = &dev->vidq; | |
596 | ||
597 | buf->vb.state = VIDEOBUF_QUEUED; | |
598 | list_add_tail(&buf->vb.queue, &vidq->active); | |
599 | } | |
600 | ||
601 | static void buffer_release(struct videobuf_queue *vq, | |
602 | struct videobuf_buffer *vb) | |
603 | { | |
604 | struct au0828_buffer *buf = container_of(vb, | |
605 | struct au0828_buffer, | |
606 | vb); | |
607 | ||
608 | free_buffer(vq, buf); | |
609 | } | |
610 | ||
611 | static struct videobuf_queue_ops au0828_video_qops = { | |
612 | .buf_setup = buffer_setup, | |
613 | .buf_prepare = buffer_prepare, | |
614 | .buf_queue = buffer_queue, | |
615 | .buf_release = buffer_release, | |
616 | }; | |
617 | ||
618 | /* ------------------------------------------------------------------ | |
619 | V4L2 interface | |
620 | ------------------------------------------------------------------*/ | |
621 | ||
622 | static int au0828_i2s_init(struct au0828_dev *dev) | |
623 | { | |
624 | /* Enable i2s mode */ | |
625 | au0828_writereg(dev, AU0828_AUDIOCTRL_50C, 0x01); | |
626 | return 0; | |
627 | } | |
628 | ||
629 | /* | |
630 | * Auvitek au0828 analog stream enable | |
631 | * Please set interface0 to AS5 before enable the stream | |
632 | */ | |
633 | int au0828_analog_stream_enable(struct au0828_dev *d) | |
634 | { | |
635 | dprintk(1, "au0828_analog_stream_enable called\n"); | |
636 | au0828_writereg(d, AU0828_SENSORCTRL_VBI_103, 0x00); | |
637 | au0828_writereg(d, 0x106, 0x00); | |
638 | /* set x position */ | |
639 | au0828_writereg(d, 0x110, 0x00); | |
640 | au0828_writereg(d, 0x111, 0x00); | |
641 | au0828_writereg(d, 0x114, 0xa0); | |
642 | au0828_writereg(d, 0x115, 0x05); | |
643 | /* set y position */ | |
644 | au0828_writereg(d, 0x112, 0x02); | |
645 | au0828_writereg(d, 0x113, 0x00); | |
646 | au0828_writereg(d, 0x116, 0xf2); | |
647 | au0828_writereg(d, 0x117, 0x00); | |
648 | au0828_writereg(d, AU0828_SENSORCTRL_100, 0xb3); | |
649 | ||
650 | return 0; | |
651 | } | |
652 | ||
653 | int au0828_analog_stream_disable(struct au0828_dev *d) | |
654 | { | |
655 | dprintk(1, "au0828_analog_stream_disable called\n"); | |
656 | au0828_writereg(d, AU0828_SENSORCTRL_100, 0x0); | |
657 | return 0; | |
658 | } | |
659 | ||
660 | void au0828_analog_stream_reset(struct au0828_dev *dev) | |
661 | { | |
662 | dprintk(1, "au0828_analog_stream_reset called\n"); | |
663 | au0828_writereg(dev, AU0828_SENSORCTRL_100, 0x0); | |
664 | mdelay(30); | |
665 | au0828_writereg(dev, AU0828_SENSORCTRL_100, 0xb3); | |
666 | } | |
667 | ||
668 | /* | |
669 | * Some operations needs to stop current streaming | |
670 | */ | |
671 | static int au0828_stream_interrupt(struct au0828_dev *dev) | |
672 | { | |
673 | int ret = 0; | |
674 | ||
675 | dev->stream_state = STREAM_INTERRUPT; | |
62899a28 | 676 | if (dev->dev_state == DEV_DISCONNECTED) |
8b2f0795 | 677 | return -ENODEV; |
62899a28 | 678 | else if (ret) { |
8b2f0795 | 679 | dev->dev_state = DEV_MISCONFIGURED; |
62899a28 | 680 | dprintk(1, "%s device is misconfigured!\n", __func__); |
8b2f0795 DH |
681 | return ret; |
682 | } | |
683 | return 0; | |
684 | } | |
685 | ||
686 | /* | |
687 | * au0828_release_resources | |
688 | * unregister v4l2 devices | |
689 | */ | |
690 | void au0828_analog_unregister(struct au0828_dev *dev) | |
691 | { | |
692 | dprintk(1, "au0828_release_resources called\n"); | |
693 | mutex_lock(&au0828_sysfs_lock); | |
694 | ||
63b0d5ad | 695 | if (dev->vdev) |
5a5a4e16 DH |
696 | video_unregister_device(dev->vdev); |
697 | if (dev->vbi_dev) | |
698 | video_unregister_device(dev->vbi_dev); | |
8b2f0795 DH |
699 | |
700 | mutex_unlock(&au0828_sysfs_lock); | |
701 | } | |
702 | ||
703 | ||
704 | /* Usage lock check functions */ | |
705 | static int res_get(struct au0828_fh *fh) | |
706 | { | |
707 | struct au0828_dev *dev = fh->dev; | |
708 | int rc = 0; | |
709 | ||
710 | /* This instance already has stream_on */ | |
711 | if (fh->stream_on) | |
712 | return rc; | |
713 | ||
714 | if (dev->stream_on) | |
715 | return -EBUSY; | |
716 | ||
717 | dev->stream_on = 1; | |
718 | fh->stream_on = 1; | |
719 | return rc; | |
720 | } | |
721 | ||
722 | static int res_check(struct au0828_fh *fh) | |
723 | { | |
724 | return fh->stream_on; | |
725 | } | |
726 | ||
727 | static void res_free(struct au0828_fh *fh) | |
728 | { | |
729 | struct au0828_dev *dev = fh->dev; | |
730 | ||
731 | fh->stream_on = 0; | |
732 | dev->stream_on = 0; | |
733 | } | |
734 | ||
735 | static int au0828_v4l2_open(struct file *filp) | |
736 | { | |
8b2f0795 | 737 | int ret = 0; |
63b0d5ad | 738 | struct au0828_dev *dev = video_drvdata(filp); |
8b2f0795 | 739 | struct au0828_fh *fh; |
63b0d5ad LP |
740 | int type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
741 | ||
dd27ade7 | 742 | #ifdef VBI_IS_WORKING |
63b0d5ad LP |
743 | if (video_devdata(filp)->vfl_type == VFL_TYPE_GRABBER) |
744 | type = V4L2_BUF_TYPE_VBI_CAPTURE; | |
5a5a4e16 | 745 | #endif |
8b2f0795 DH |
746 | |
747 | fh = kzalloc(sizeof(struct au0828_fh), GFP_KERNEL); | |
62899a28 | 748 | if (NULL == fh) { |
8b2f0795 DH |
749 | dprintk(1, "Failed allocate au0828_fh struct!\n"); |
750 | return -ENOMEM; | |
751 | } | |
752 | ||
753 | fh->type = type; | |
754 | fh->dev = dev; | |
755 | filp->private_data = fh; | |
756 | ||
62899a28 | 757 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->users == 0) { |
8b2f0795 DH |
758 | /* set au0828 interface0 to AS5 here again */ |
759 | ret = usb_set_interface(dev->usbdev, 0, 5); | |
62899a28 DH |
760 | if (ret < 0) { |
761 | printk(KERN_INFO "Au0828 can't set alternate to 5!\n"); | |
8b2f0795 DH |
762 | return -EBUSY; |
763 | } | |
764 | dev->width = NTSC_STD_W; | |
765 | dev->height = NTSC_STD_H; | |
766 | dev->frame_size = dev->width * dev->height * 2; | |
767 | dev->field_size = dev->width * dev->height; | |
768 | dev->bytesperline = dev->width * 2; | |
769 | ||
770 | au0828_analog_stream_enable(dev); | |
771 | au0828_analog_stream_reset(dev); | |
772 | ||
773 | /* If we were doing ac97 instead of i2s, it would go here...*/ | |
774 | au0828_i2s_init(dev); | |
775 | ||
776 | dev->stream_state = STREAM_OFF; | |
777 | dev->dev_state |= DEV_INITIALIZED; | |
778 | } | |
779 | ||
780 | dev->users++; | |
781 | ||
782 | videobuf_queue_vmalloc_init(&fh->vb_vidq, &au0828_video_qops, | |
783 | NULL, &dev->slock, fh->type, | |
784 | V4L2_FIELD_INTERLACED, | |
785 | sizeof(struct au0828_buffer), fh); | |
786 | ||
787 | return ret; | |
788 | } | |
789 | ||
790 | static int au0828_v4l2_close(struct file *filp) | |
791 | { | |
792 | int ret; | |
793 | struct au0828_fh *fh = filp->private_data; | |
794 | struct au0828_dev *dev = fh->dev; | |
795 | ||
796 | mutex_lock(&dev->lock); | |
797 | if (res_check(fh)) | |
798 | res_free(fh); | |
799 | ||
62899a28 | 800 | if (dev->users == 1) { |
8b2f0795 DH |
801 | videobuf_stop(&fh->vb_vidq); |
802 | videobuf_mmap_free(&fh->vb_vidq); | |
803 | ||
62899a28 | 804 | if (dev->dev_state & DEV_DISCONNECTED) { |
8b2f0795 DH |
805 | au0828_analog_unregister(dev); |
806 | mutex_unlock(&dev->lock); | |
807 | kfree(dev); | |
808 | return 0; | |
809 | } | |
810 | ||
811 | au0828_analog_stream_disable(dev); | |
812 | ||
813 | au0828_uninit_isoc(dev); | |
814 | ||
e4b8bc52 | 815 | /* Save some power by putting tuner to sleep */ |
622b828a | 816 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_power, 0); |
e4b8bc52 | 817 | |
8b2f0795 DH |
818 | /* When close the device, set the usb intf0 into alt0 to free |
819 | USB bandwidth */ | |
820 | ret = usb_set_interface(dev->usbdev, 0, 0); | |
62899a28 DH |
821 | if (ret < 0) |
822 | printk(KERN_INFO "Au0828 can't set alternate to 0!\n"); | |
8b2f0795 DH |
823 | } |
824 | ||
825 | kfree(fh); | |
826 | dev->users--; | |
827 | wake_up_interruptible_nr(&dev->open, 1); | |
828 | mutex_unlock(&dev->lock); | |
829 | return 0; | |
830 | } | |
831 | ||
832 | static ssize_t au0828_v4l2_read(struct file *filp, char __user *buf, | |
833 | size_t count, loff_t *pos) | |
834 | { | |
835 | struct au0828_fh *fh = filp->private_data; | |
836 | struct au0828_dev *dev = fh->dev; | |
837 | int rc; | |
838 | ||
839 | rc = check_dev(dev); | |
840 | if (rc < 0) | |
841 | return rc; | |
842 | ||
62899a28 | 843 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
8b2f0795 DH |
844 | mutex_lock(&dev->lock); |
845 | rc = res_get(fh); | |
846 | mutex_unlock(&dev->lock); | |
847 | ||
848 | if (unlikely(rc < 0)) | |
849 | return rc; | |
850 | ||
851 | return videobuf_read_stream(&fh->vb_vidq, buf, count, pos, 0, | |
852 | filp->f_flags & O_NONBLOCK); | |
853 | } | |
854 | return 0; | |
855 | } | |
856 | ||
857 | static unsigned int au0828_v4l2_poll(struct file *filp, poll_table *wait) | |
858 | { | |
859 | struct au0828_fh *fh = filp->private_data; | |
860 | struct au0828_dev *dev = fh->dev; | |
861 | int rc; | |
862 | ||
863 | rc = check_dev(dev); | |
864 | if (rc < 0) | |
865 | return rc; | |
866 | ||
867 | mutex_lock(&dev->lock); | |
868 | rc = res_get(fh); | |
869 | mutex_unlock(&dev->lock); | |
870 | ||
871 | if (unlikely(rc < 0)) | |
872 | return POLLERR; | |
873 | ||
874 | if (V4L2_BUF_TYPE_VIDEO_CAPTURE != fh->type) | |
875 | return POLLERR; | |
876 | ||
877 | return videobuf_poll_stream(filp, &fh->vb_vidq, wait); | |
878 | } | |
879 | ||
880 | static int au0828_v4l2_mmap(struct file *filp, struct vm_area_struct *vma) | |
881 | { | |
882 | struct au0828_fh *fh = filp->private_data; | |
883 | struct au0828_dev *dev = fh->dev; | |
884 | int rc; | |
885 | ||
886 | rc = check_dev(dev); | |
887 | if (rc < 0) | |
888 | return rc; | |
889 | ||
890 | mutex_lock(&dev->lock); | |
891 | rc = res_get(fh); | |
892 | mutex_unlock(&dev->lock); | |
893 | ||
894 | if (unlikely(rc < 0)) | |
895 | return rc; | |
896 | ||
897 | rc = videobuf_mmap_mapper(&fh->vb_vidq, vma); | |
898 | ||
8b2f0795 DH |
899 | return rc; |
900 | } | |
901 | ||
902 | static int au0828_set_format(struct au0828_dev *dev, unsigned int cmd, | |
903 | struct v4l2_format *format) | |
904 | { | |
905 | int ret; | |
906 | int width = format->fmt.pix.width; | |
907 | int height = format->fmt.pix.height; | |
908 | unsigned int maxwidth, maxheight; | |
909 | ||
910 | maxwidth = 720; | |
911 | maxheight = 480; | |
912 | ||
dd27ade7 | 913 | #ifdef VBI_IS_WORKING |
62899a28 | 914 | if (format->type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) { |
8b2f0795 DH |
915 | dprintk(1, "VBI format set: to be supported!\n"); |
916 | return 0; | |
917 | } | |
62899a28 | 918 | if (format->type == V4L2_BUF_TYPE_VBI_CAPTURE) |
8b2f0795 | 919 | return 0; |
5a5a4e16 | 920 | #endif |
62899a28 | 921 | if (format->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
8b2f0795 | 922 | return -EINVAL; |
8b2f0795 DH |
923 | |
924 | /* If they are demanding a format other than the one we support, | |
925 | bail out (tvtime asks for UYVY and then retries with YUYV) */ | |
62899a28 | 926 | if (format->fmt.pix.pixelformat != V4L2_PIX_FMT_UYVY) |
8b2f0795 | 927 | return -EINVAL; |
8b2f0795 DH |
928 | |
929 | /* format->fmt.pix.width only support 720 and height 480 */ | |
62899a28 | 930 | if (width != 720) |
8b2f0795 | 931 | width = 720; |
62899a28 | 932 | if (height != 480) |
8b2f0795 DH |
933 | height = 480; |
934 | ||
935 | format->fmt.pix.width = width; | |
936 | format->fmt.pix.height = height; | |
937 | format->fmt.pix.pixelformat = V4L2_PIX_FMT_UYVY; | |
938 | format->fmt.pix.bytesperline = width * 2; | |
939 | format->fmt.pix.sizeimage = width * height * 2; | |
940 | format->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; | |
941 | format->fmt.pix.field = V4L2_FIELD_INTERLACED; | |
942 | ||
62899a28 | 943 | if (cmd == VIDIOC_TRY_FMT) |
8b2f0795 DH |
944 | return 0; |
945 | ||
946 | /* maybe set new image format, driver current only support 720*480 */ | |
947 | dev->width = width; | |
948 | dev->height = height; | |
949 | dev->frame_size = width * height * 2; | |
950 | dev->field_size = width * height; | |
951 | dev->bytesperline = width * 2; | |
952 | ||
62899a28 | 953 | if (dev->stream_state == STREAM_ON) { |
8b2f0795 | 954 | dprintk(1, "VIDIOC_SET_FMT: interrupting stream!\n"); |
62899a28 DH |
955 | ret = au0828_stream_interrupt(dev); |
956 | if (ret != 0) { | |
8b2f0795 DH |
957 | dprintk(1, "error interrupting video stream!\n"); |
958 | return ret; | |
959 | } | |
960 | } | |
961 | ||
962 | /* set au0828 interface0 to AS5 here again */ | |
963 | ret = usb_set_interface(dev->usbdev, 0, 5); | |
62899a28 DH |
964 | if (ret < 0) { |
965 | printk(KERN_INFO "Au0828 can't set alt setting to 5!\n"); | |
8b2f0795 DH |
966 | return -EBUSY; |
967 | } | |
968 | ||
969 | au0828_analog_stream_enable(dev); | |
970 | ||
971 | return 0; | |
972 | } | |
973 | ||
974 | ||
975 | static int vidioc_queryctrl(struct file *file, void *priv, | |
976 | struct v4l2_queryctrl *qc) | |
977 | { | |
978 | struct au0828_fh *fh = priv; | |
979 | struct au0828_dev *dev = fh->dev; | |
2689d3dc | 980 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, queryctrl, qc); |
8b2f0795 DH |
981 | if (qc->type) |
982 | return 0; | |
983 | else | |
984 | return -EINVAL; | |
985 | } | |
986 | ||
987 | static int vidioc_querycap(struct file *file, void *priv, | |
988 | struct v4l2_capability *cap) | |
989 | { | |
990 | struct au0828_fh *fh = priv; | |
991 | struct au0828_dev *dev = fh->dev; | |
992 | ||
8b2f0795 | 993 | strlcpy(cap->driver, "au0828", sizeof(cap->driver)); |
f1add5b5 | 994 | strlcpy(cap->card, dev->board.name, sizeof(cap->card)); |
b14667f3 | 995 | strlcpy(cap->bus_info, dev->v4l2_dev.name, sizeof(cap->bus_info)); |
8b2f0795 DH |
996 | |
997 | cap->version = AU0828_VERSION_CODE; | |
998 | ||
999 | /*set the device capabilities */ | |
5a5a4e16 | 1000 | cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | |
dd27ade7 | 1001 | #ifdef VBI_IS_WORKING |
5a5a4e16 DH |
1002 | V4L2_CAP_VBI_CAPTURE | |
1003 | #endif | |
8b2f0795 DH |
1004 | V4L2_CAP_AUDIO | |
1005 | V4L2_CAP_READWRITE | | |
1006 | V4L2_CAP_STREAMING | | |
1007 | V4L2_CAP_TUNER; | |
1008 | return 0; | |
1009 | } | |
1010 | ||
1011 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, | |
1012 | struct v4l2_fmtdesc *f) | |
1013 | { | |
62899a28 | 1014 | if (f->index) |
8b2f0795 DH |
1015 | return -EINVAL; |
1016 | ||
8b2f0795 DH |
1017 | f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
1018 | strcpy(f->description, "Packed YUV2"); | |
1019 | ||
1020 | f->flags = 0; | |
1021 | f->pixelformat = V4L2_PIX_FMT_UYVY; | |
1022 | ||
8b2f0795 DH |
1023 | return 0; |
1024 | } | |
1025 | ||
1026 | static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, | |
1027 | struct v4l2_format *f) | |
1028 | { | |
1029 | struct au0828_fh *fh = priv; | |
1030 | struct au0828_dev *dev = fh->dev; | |
1031 | ||
1032 | f->fmt.pix.width = dev->width; | |
1033 | f->fmt.pix.height = dev->height; | |
1034 | f->fmt.pix.pixelformat = V4L2_PIX_FMT_UYVY; | |
1035 | f->fmt.pix.bytesperline = dev->bytesperline; | |
1036 | f->fmt.pix.sizeimage = dev->frame_size; | |
1037 | f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; /* NTSC/PAL */ | |
1038 | f->fmt.pix.field = V4L2_FIELD_INTERLACED; | |
1039 | return 0; | |
1040 | } | |
1041 | ||
1042 | static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, | |
1043 | struct v4l2_format *f) | |
1044 | { | |
1045 | struct au0828_fh *fh = priv; | |
1046 | struct au0828_dev *dev = fh->dev; | |
1047 | ||
1048 | return au0828_set_format(dev, VIDIOC_TRY_FMT, f); | |
1049 | } | |
1050 | ||
1051 | static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, | |
1052 | struct v4l2_format *f) | |
1053 | { | |
1054 | struct au0828_fh *fh = priv; | |
1055 | struct au0828_dev *dev = fh->dev; | |
1056 | int rc; | |
1057 | ||
1058 | if (videobuf_queue_is_busy(&fh->vb_vidq)) { | |
62899a28 | 1059 | printk(KERN_INFO "%s queue busy\n", __func__); |
8b2f0795 DH |
1060 | rc = -EBUSY; |
1061 | goto out; | |
1062 | } | |
1063 | ||
1064 | if (dev->stream_on && !fh->stream_on) { | |
62899a28 | 1065 | printk(KERN_INFO "%s device in use by another fh\n", __func__); |
8b2f0795 DH |
1066 | rc = -EBUSY; |
1067 | goto out; | |
1068 | } | |
1069 | ||
1070 | return au0828_set_format(dev, VIDIOC_S_FMT, f); | |
1071 | out: | |
1072 | return rc; | |
1073 | } | |
1074 | ||
1075 | static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id * norm) | |
1076 | { | |
1077 | struct au0828_fh *fh = priv; | |
1078 | struct au0828_dev *dev = fh->dev; | |
1079 | ||
1080 | /* FIXME: when we support something other than NTSC, we are going to | |
1081 | have to make the au0828 bridge adjust the size of its capture | |
1082 | buffer, which is currently hardcoded at 720x480 */ | |
1083 | ||
f41737ec | 1084 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_std, *norm); |
8b2f0795 DH |
1085 | return 0; |
1086 | } | |
1087 | ||
1088 | static int vidioc_enum_input(struct file *file, void *priv, | |
1089 | struct v4l2_input *input) | |
1090 | { | |
1091 | struct au0828_fh *fh = priv; | |
1092 | struct au0828_dev *dev = fh->dev; | |
1093 | unsigned int tmp; | |
1094 | ||
1095 | static const char *inames[] = { | |
3d62287e | 1096 | [AU0828_VMUX_UNDEFINED] = "Undefined", |
8b2f0795 DH |
1097 | [AU0828_VMUX_COMPOSITE] = "Composite", |
1098 | [AU0828_VMUX_SVIDEO] = "S-Video", | |
1099 | [AU0828_VMUX_CABLE] = "Cable TV", | |
1100 | [AU0828_VMUX_TELEVISION] = "Television", | |
1101 | [AU0828_VMUX_DVB] = "DVB", | |
1102 | [AU0828_VMUX_DEBUG] = "tv debug" | |
1103 | }; | |
1104 | ||
1105 | tmp = input->index; | |
1106 | ||
62899a28 | 1107 | if (tmp > AU0828_MAX_INPUT) |
8b2f0795 | 1108 | return -EINVAL; |
62899a28 | 1109 | if (AUVI_INPUT(tmp).type == 0) |
8b2f0795 DH |
1110 | return -EINVAL; |
1111 | ||
8b2f0795 | 1112 | input->index = tmp; |
f1add5b5 | 1113 | strcpy(input->name, inames[AUVI_INPUT(tmp).type]); |
62899a28 DH |
1114 | if ((AUVI_INPUT(tmp).type == AU0828_VMUX_TELEVISION) || |
1115 | (AUVI_INPUT(tmp).type == AU0828_VMUX_CABLE)) | |
8b2f0795 DH |
1116 | input->type |= V4L2_INPUT_TYPE_TUNER; |
1117 | else | |
1118 | input->type |= V4L2_INPUT_TYPE_CAMERA; | |
1119 | ||
1120 | input->std = dev->vdev->tvnorms; | |
1121 | ||
1122 | return 0; | |
1123 | } | |
1124 | ||
1125 | static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) | |
1126 | { | |
1127 | struct au0828_fh *fh = priv; | |
1128 | struct au0828_dev *dev = fh->dev; | |
1129 | *i = dev->ctrl_input; | |
1130 | return 0; | |
1131 | } | |
1132 | ||
1133 | static int vidioc_s_input(struct file *file, void *priv, unsigned int index) | |
1134 | { | |
1135 | struct au0828_fh *fh = priv; | |
1136 | struct au0828_dev *dev = fh->dev; | |
1137 | int i; | |
8b2f0795 | 1138 | |
62899a28 | 1139 | dprintk(1, "VIDIOC_S_INPUT in function %s, input=%d\n", __func__, |
8b2f0795 | 1140 | index); |
62899a28 | 1141 | if (index >= AU0828_MAX_INPUT) |
8b2f0795 | 1142 | return -EINVAL; |
62899a28 | 1143 | if (AUVI_INPUT(index).type == 0) |
8b2f0795 DH |
1144 | return -EINVAL; |
1145 | dev->ctrl_input = index; | |
1146 | ||
62899a28 | 1147 | switch (AUVI_INPUT(index).type) { |
8b2f0795 | 1148 | case AU0828_VMUX_SVIDEO: |
8b2f0795 DH |
1149 | dev->input_type = AU0828_VMUX_SVIDEO; |
1150 | break; | |
8b2f0795 | 1151 | case AU0828_VMUX_COMPOSITE: |
8b2f0795 DH |
1152 | dev->input_type = AU0828_VMUX_COMPOSITE; |
1153 | break; | |
8b2f0795 | 1154 | case AU0828_VMUX_TELEVISION: |
8b2f0795 DH |
1155 | dev->input_type = AU0828_VMUX_TELEVISION; |
1156 | break; | |
8b2f0795 | 1157 | default: |
a1094c4c DH |
1158 | dprintk(1, "VIDIOC_S_INPUT unknown input type set [%d]\n", |
1159 | AUVI_INPUT(index).type); | |
1160 | break; | |
8b2f0795 DH |
1161 | } |
1162 | ||
5325b427 HV |
1163 | v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_routing, |
1164 | AUVI_INPUT(index).vmux, 0, 0); | |
8b2f0795 DH |
1165 | |
1166 | for (i = 0; i < AU0828_MAX_INPUT; i++) { | |
1167 | int enable = 0; | |
62899a28 | 1168 | if (AUVI_INPUT(i).audio_setup == NULL) |
8b2f0795 | 1169 | continue; |
8b2f0795 DH |
1170 | |
1171 | if (i == index) | |
1172 | enable = 1; | |
1173 | else | |
1174 | enable = 0; | |
1175 | if (enable) { | |
f1add5b5 | 1176 | (AUVI_INPUT(i).audio_setup)(dev, enable); |
8b2f0795 DH |
1177 | } else { |
1178 | /* Make sure we leave it turned on if some | |
1179 | other input is routed to this callback */ | |
f1add5b5 DH |
1180 | if ((AUVI_INPUT(i).audio_setup) != |
1181 | ((AUVI_INPUT(index).audio_setup))) { | |
1182 | (AUVI_INPUT(i).audio_setup)(dev, enable); | |
8b2f0795 DH |
1183 | } |
1184 | } | |
1185 | } | |
1186 | ||
5325b427 HV |
1187 | v4l2_device_call_all(&dev->v4l2_dev, 0, audio, s_routing, |
1188 | AUVI_INPUT(index).amux, 0, 0); | |
8b2f0795 DH |
1189 | return 0; |
1190 | } | |
1191 | ||
1192 | static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a) | |
1193 | { | |
1194 | struct au0828_fh *fh = priv; | |
1195 | struct au0828_dev *dev = fh->dev; | |
1196 | unsigned int index = a->index; | |
1197 | ||
62899a28 | 1198 | if (a->index > 1) |
8b2f0795 DH |
1199 | return -EINVAL; |
1200 | ||
8b2f0795 | 1201 | index = dev->ctrl_ainput; |
62899a28 | 1202 | if (index == 0) |
8b2f0795 DH |
1203 | strcpy(a->name, "Television"); |
1204 | else | |
1205 | strcpy(a->name, "Line in"); | |
1206 | ||
1207 | a->capability = V4L2_AUDCAP_STEREO; | |
1208 | a->index = index; | |
1209 | return 0; | |
1210 | } | |
1211 | ||
1212 | static int vidioc_s_audio(struct file *file, void *priv, struct v4l2_audio *a) | |
1213 | { | |
1214 | struct au0828_fh *fh = priv; | |
1215 | struct au0828_dev *dev = fh->dev; | |
62899a28 | 1216 | if (a->index != dev->ctrl_ainput) |
8b2f0795 DH |
1217 | return -EINVAL; |
1218 | return 0; | |
1219 | } | |
1220 | ||
1221 | static int vidioc_g_ctrl(struct file *file, void *priv, | |
1222 | struct v4l2_control *ctrl) | |
1223 | { | |
1224 | struct au0828_fh *fh = priv; | |
1225 | struct au0828_dev *dev = fh->dev; | |
1226 | ||
2689d3dc | 1227 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_ctrl, ctrl); |
8b2f0795 DH |
1228 | return 0; |
1229 | ||
1230 | } | |
1231 | ||
1232 | static int vidioc_s_ctrl(struct file *file, void *priv, | |
1233 | struct v4l2_control *ctrl) | |
1234 | { | |
1235 | struct au0828_fh *fh = priv; | |
1236 | struct au0828_dev *dev = fh->dev; | |
2689d3dc | 1237 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_ctrl, ctrl); |
8b2f0795 DH |
1238 | return 0; |
1239 | } | |
1240 | ||
1241 | static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) | |
1242 | { | |
1243 | struct au0828_fh *fh = priv; | |
1244 | struct au0828_dev *dev = fh->dev; | |
1245 | ||
62899a28 | 1246 | if (t->index != 0) |
8b2f0795 DH |
1247 | return -EINVAL; |
1248 | ||
8b2f0795 | 1249 | strcpy(t->name, "Auvitek tuner"); |
2689d3dc | 1250 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t); |
8b2f0795 DH |
1251 | return 0; |
1252 | } | |
1253 | ||
1254 | static int vidioc_s_tuner(struct file *file, void *priv, | |
1255 | struct v4l2_tuner *t) | |
1256 | { | |
1257 | struct au0828_fh *fh = priv; | |
1258 | struct au0828_dev *dev = fh->dev; | |
1259 | ||
62899a28 | 1260 | if (t->index != 0) |
8b2f0795 DH |
1261 | return -EINVAL; |
1262 | ||
1263 | t->type = V4L2_TUNER_ANALOG_TV; | |
2689d3dc | 1264 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t); |
8b2f0795 DH |
1265 | dprintk(1, "VIDIOC_S_TUNER: signal = %x, afc = %x\n", t->signal, |
1266 | t->afc); | |
1267 | return 0; | |
1268 | ||
1269 | } | |
1270 | ||
1271 | static int vidioc_g_frequency(struct file *file, void *priv, | |
1272 | struct v4l2_frequency *freq) | |
1273 | { | |
1274 | struct au0828_fh *fh = priv; | |
1275 | struct au0828_dev *dev = fh->dev; | |
c888923d | 1276 | |
8b2f0795 DH |
1277 | freq->type = V4L2_TUNER_ANALOG_TV; |
1278 | freq->frequency = dev->ctrl_freq; | |
1279 | return 0; | |
1280 | } | |
1281 | ||
1282 | static int vidioc_s_frequency(struct file *file, void *priv, | |
1283 | struct v4l2_frequency *freq) | |
1284 | { | |
1285 | struct au0828_fh *fh = priv; | |
1286 | struct au0828_dev *dev = fh->dev; | |
1287 | ||
62899a28 | 1288 | if (freq->tuner != 0) |
8b2f0795 | 1289 | return -EINVAL; |
62899a28 | 1290 | if (freq->type != V4L2_TUNER_ANALOG_TV) |
8b2f0795 DH |
1291 | return -EINVAL; |
1292 | ||
1293 | dev->ctrl_freq = freq->frequency; | |
1294 | ||
2689d3dc | 1295 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, freq); |
8b2f0795 DH |
1296 | |
1297 | au0828_analog_stream_reset(dev); | |
1298 | ||
1299 | return 0; | |
1300 | } | |
1301 | ||
1302 | static int vidioc_g_chip_ident(struct file *file, void *priv, | |
1303 | struct v4l2_dbg_chip_ident *chip) | |
1304 | { | |
1305 | struct au0828_fh *fh = priv; | |
1306 | struct au0828_dev *dev = fh->dev; | |
1307 | chip->ident = V4L2_IDENT_NONE; | |
1308 | chip->revision = 0; | |
1309 | ||
d9109bef DH |
1310 | if (v4l2_chip_match_host(&chip->match)) { |
1311 | chip->ident = V4L2_IDENT_AU0828; | |
1312 | return 0; | |
1313 | } | |
1314 | ||
2689d3dc | 1315 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_chip_ident, chip); |
d9109bef DH |
1316 | if (chip->ident == V4L2_IDENT_NONE) |
1317 | return -EINVAL; | |
1318 | ||
8b2f0795 DH |
1319 | return 0; |
1320 | } | |
1321 | ||
1322 | static int vidioc_cropcap(struct file *file, void *priv, | |
1323 | struct v4l2_cropcap *cc) | |
1324 | { | |
1325 | struct au0828_fh *fh = priv; | |
1326 | struct au0828_dev *dev = fh->dev; | |
1327 | ||
62899a28 | 1328 | if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
8b2f0795 DH |
1329 | return -EINVAL; |
1330 | ||
1331 | cc->bounds.left = 0; | |
1332 | cc->bounds.top = 0; | |
1333 | cc->bounds.width = dev->width; | |
1334 | cc->bounds.height = dev->height; | |
1335 | ||
1336 | cc->defrect = cc->bounds; | |
1337 | ||
1338 | cc->pixelaspect.numerator = 54; | |
1339 | cc->pixelaspect.denominator = 59; | |
1340 | ||
1341 | return 0; | |
1342 | } | |
1343 | ||
1344 | static int vidioc_streamon(struct file *file, void *priv, | |
1345 | enum v4l2_buf_type type) | |
1346 | { | |
1347 | struct au0828_fh *fh = priv; | |
1348 | struct au0828_dev *dev = fh->dev; | |
8b2f0795 DH |
1349 | int rc; |
1350 | ||
1351 | rc = check_dev(dev); | |
1352 | if (rc < 0) | |
1353 | return rc; | |
1354 | ||
1355 | if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { | |
1356 | au0828_analog_stream_enable(dev); | |
2689d3dc | 1357 | v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 1); |
8b2f0795 DH |
1358 | } |
1359 | ||
1360 | mutex_lock(&dev->lock); | |
1361 | rc = res_get(fh); | |
1362 | ||
1363 | if (likely(rc >= 0)) | |
1364 | rc = videobuf_streamon(&fh->vb_vidq); | |
1365 | mutex_unlock(&dev->lock); | |
1366 | ||
1367 | return rc; | |
1368 | } | |
1369 | ||
1370 | static int vidioc_streamoff(struct file *file, void *priv, | |
1371 | enum v4l2_buf_type type) | |
1372 | { | |
1373 | struct au0828_fh *fh = priv; | |
1374 | struct au0828_dev *dev = fh->dev; | |
8b2f0795 DH |
1375 | int i; |
1376 | int ret; | |
1377 | int rc; | |
1378 | ||
1379 | rc = check_dev(dev); | |
1380 | if (rc < 0) | |
1381 | return rc; | |
1382 | ||
1383 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1384 | return -EINVAL; | |
1385 | if (type != fh->type) | |
1386 | return -EINVAL; | |
1387 | ||
1388 | if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { | |
2689d3dc | 1389 | v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 0); |
62899a28 DH |
1390 | ret = au0828_stream_interrupt(dev); |
1391 | if (ret != 0) | |
8b2f0795 DH |
1392 | return ret; |
1393 | } | |
1394 | ||
1395 | for (i = 0; i < AU0828_MAX_INPUT; i++) { | |
62899a28 | 1396 | if (AUVI_INPUT(i).audio_setup == NULL) |
8b2f0795 | 1397 | continue; |
f1add5b5 | 1398 | (AUVI_INPUT(i).audio_setup)(dev, 0); |
8b2f0795 DH |
1399 | } |
1400 | ||
1401 | mutex_lock(&dev->lock); | |
1402 | videobuf_streamoff(&fh->vb_vidq); | |
1403 | res_free(fh); | |
1404 | mutex_unlock(&dev->lock); | |
1405 | ||
1406 | return 0; | |
1407 | } | |
1408 | ||
80c6e358 | 1409 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
8b2f0795 DH |
1410 | static int vidioc_g_register(struct file *file, void *priv, |
1411 | struct v4l2_dbg_register *reg) | |
1412 | { | |
1413 | struct au0828_fh *fh = priv; | |
1414 | struct au0828_dev *dev = fh->dev; | |
1415 | ||
1416 | switch (reg->match.type) { | |
1417 | case V4L2_CHIP_MATCH_I2C_DRIVER: | |
2689d3dc | 1418 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_register, reg); |
8b2f0795 DH |
1419 | return 0; |
1420 | default: | |
1421 | return -EINVAL; | |
1422 | } | |
1423 | } | |
1424 | ||
1425 | static int vidioc_s_register(struct file *file, void *priv, | |
1426 | struct v4l2_dbg_register *reg) | |
1427 | { | |
1428 | struct au0828_fh *fh = priv; | |
1429 | struct au0828_dev *dev = fh->dev; | |
1430 | ||
1431 | switch (reg->match.type) { | |
1432 | case V4L2_CHIP_MATCH_I2C_DRIVER: | |
2689d3dc | 1433 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_register, reg); |
8b2f0795 DH |
1434 | return 0; |
1435 | default: | |
1436 | return -EINVAL; | |
1437 | } | |
1438 | return 0; | |
1439 | } | |
80c6e358 | 1440 | #endif |
8b2f0795 DH |
1441 | |
1442 | static int vidioc_reqbufs(struct file *file, void *priv, | |
1443 | struct v4l2_requestbuffers *rb) | |
1444 | { | |
1445 | struct au0828_fh *fh = priv; | |
1446 | struct au0828_dev *dev = fh->dev; | |
1447 | int rc; | |
1448 | ||
1449 | rc = check_dev(dev); | |
1450 | if (rc < 0) | |
1451 | return rc; | |
1452 | ||
1453 | return videobuf_reqbufs(&fh->vb_vidq, rb); | |
1454 | } | |
1455 | ||
1456 | static int vidioc_querybuf(struct file *file, void *priv, | |
1457 | struct v4l2_buffer *b) | |
1458 | { | |
1459 | struct au0828_fh *fh = priv; | |
1460 | struct au0828_dev *dev = fh->dev; | |
1461 | int rc; | |
1462 | ||
1463 | rc = check_dev(dev); | |
1464 | if (rc < 0) | |
1465 | return rc; | |
1466 | ||
1467 | return videobuf_querybuf(&fh->vb_vidq, b); | |
1468 | } | |
1469 | ||
1470 | static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b) | |
1471 | { | |
1472 | struct au0828_fh *fh = priv; | |
1473 | struct au0828_dev *dev = fh->dev; | |
1474 | int rc; | |
1475 | ||
1476 | rc = check_dev(dev); | |
1477 | if (rc < 0) | |
1478 | return rc; | |
1479 | ||
1480 | return videobuf_qbuf(&fh->vb_vidq, b); | |
1481 | } | |
1482 | ||
1483 | static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) | |
1484 | { | |
1485 | struct au0828_fh *fh = priv; | |
1486 | struct au0828_dev *dev = fh->dev; | |
1487 | int rc; | |
1488 | ||
1489 | rc = check_dev(dev); | |
1490 | if (rc < 0) | |
1491 | return rc; | |
1492 | ||
1493 | /* Workaround for a bug in the au0828 hardware design that sometimes | |
1494 | results in the colorspace being inverted */ | |
1495 | if (dev->greenscreen_detected == 1) { | |
1496 | dprintk(1, "Detected green frame. Resetting stream...\n"); | |
1497 | au0828_analog_stream_reset(dev); | |
1498 | dev->greenscreen_detected = 0; | |
1499 | } | |
1500 | ||
1501 | return videobuf_dqbuf(&fh->vb_vidq, b, file->f_flags & O_NONBLOCK); | |
1502 | } | |
1503 | ||
1504 | #ifdef CONFIG_VIDEO_V4L1_COMPAT | |
1505 | static int vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf) | |
1506 | { | |
1507 | struct au0828_fh *fh = priv; | |
1508 | ||
1509 | return videobuf_cgmbuf(&fh->vb_vidq, mbuf, 8); | |
1510 | } | |
1511 | #endif | |
1512 | ||
1513 | static struct v4l2_file_operations au0828_v4l_fops = { | |
1514 | .owner = THIS_MODULE, | |
1515 | .open = au0828_v4l2_open, | |
1516 | .release = au0828_v4l2_close, | |
1517 | .read = au0828_v4l2_read, | |
1518 | .poll = au0828_v4l2_poll, | |
1519 | .mmap = au0828_v4l2_mmap, | |
1520 | .ioctl = video_ioctl2, | |
1521 | }; | |
1522 | ||
1523 | static const struct v4l2_ioctl_ops video_ioctl_ops = { | |
1524 | .vidioc_querycap = vidioc_querycap, | |
1525 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, | |
1526 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
1527 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, | |
1528 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, | |
dd27ade7 | 1529 | #ifdef VBI_IS_WORKING |
5a5a4e16 DH |
1530 | .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, |
1531 | .vidioc_try_fmt_vbi_cap = vidioc_s_fmt_vbi_cap, | |
1532 | .vidioc_s_fmt_vbi_cap = vidioc_s_fmt_vbi_cap, | |
1533 | #endif | |
8b2f0795 DH |
1534 | .vidioc_g_audio = vidioc_g_audio, |
1535 | .vidioc_s_audio = vidioc_s_audio, | |
1536 | .vidioc_cropcap = vidioc_cropcap, | |
dd27ade7 | 1537 | #ifdef VBI_IS_WORKING |
8b2f0795 DH |
1538 | .vidioc_g_fmt_sliced_vbi_cap = vidioc_g_fmt_sliced_vbi_cap, |
1539 | .vidioc_try_fmt_sliced_vbi_cap = vidioc_try_set_sliced_vbi_cap, | |
1540 | .vidioc_s_fmt_sliced_vbi_cap = vidioc_try_set_sliced_vbi_cap, | |
1541 | #endif | |
1542 | .vidioc_reqbufs = vidioc_reqbufs, | |
1543 | .vidioc_querybuf = vidioc_querybuf, | |
1544 | .vidioc_qbuf = vidioc_qbuf, | |
1545 | .vidioc_dqbuf = vidioc_dqbuf, | |
1546 | .vidioc_s_std = vidioc_s_std, | |
1547 | .vidioc_enum_input = vidioc_enum_input, | |
1548 | .vidioc_g_input = vidioc_g_input, | |
1549 | .vidioc_s_input = vidioc_s_input, | |
1550 | .vidioc_queryctrl = vidioc_queryctrl, | |
1551 | .vidioc_g_ctrl = vidioc_g_ctrl, | |
1552 | .vidioc_s_ctrl = vidioc_s_ctrl, | |
1553 | .vidioc_streamon = vidioc_streamon, | |
1554 | .vidioc_streamoff = vidioc_streamoff, | |
1555 | .vidioc_g_tuner = vidioc_g_tuner, | |
1556 | .vidioc_s_tuner = vidioc_s_tuner, | |
1557 | .vidioc_g_frequency = vidioc_g_frequency, | |
1558 | .vidioc_s_frequency = vidioc_s_frequency, | |
1559 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
1560 | .vidioc_g_register = vidioc_g_register, | |
1561 | .vidioc_s_register = vidioc_s_register, | |
8b2f0795 | 1562 | #endif |
80c6e358 | 1563 | .vidioc_g_chip_ident = vidioc_g_chip_ident, |
8b2f0795 DH |
1564 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
1565 | .vidiocgmbuf = vidiocgmbuf, | |
1566 | #endif | |
1567 | }; | |
1568 | ||
1569 | static const struct video_device au0828_video_template = { | |
1570 | .fops = &au0828_v4l_fops, | |
1571 | .release = video_device_release, | |
1572 | .ioctl_ops = &video_ioctl_ops, | |
0ef21071 DH |
1573 | .tvnorms = V4L2_STD_NTSC_M, |
1574 | .current_norm = V4L2_STD_NTSC_M, | |
8b2f0795 DH |
1575 | }; |
1576 | ||
1577 | /**************************************************************************/ | |
1578 | ||
fc4ce6cd DH |
1579 | int au0828_analog_register(struct au0828_dev *dev, |
1580 | struct usb_interface *interface) | |
8b2f0795 DH |
1581 | { |
1582 | int retval = -ENOMEM; | |
fc4ce6cd DH |
1583 | struct usb_host_interface *iface_desc; |
1584 | struct usb_endpoint_descriptor *endpoint; | |
1585 | int i; | |
8b2f0795 DH |
1586 | |
1587 | dprintk(1, "au0828_analog_register called!\n"); | |
1588 | ||
fc4ce6cd DH |
1589 | /* set au0828 usb interface0 to as5 */ |
1590 | retval = usb_set_interface(dev->usbdev, | |
62899a28 | 1591 | interface->cur_altsetting->desc.bInterfaceNumber, 5); |
fc4ce6cd | 1592 | if (retval != 0) { |
62899a28 | 1593 | printk(KERN_INFO "Failure setting usb interface0 to as5\n"); |
fc4ce6cd DH |
1594 | return retval; |
1595 | } | |
1596 | ||
1597 | /* Figure out which endpoint has the isoc interface */ | |
1598 | iface_desc = interface->cur_altsetting; | |
62899a28 | 1599 | for (i = 0; i < iface_desc->desc.bNumEndpoints; i++) { |
fc4ce6cd | 1600 | endpoint = &iface_desc->endpoint[i].desc; |
62899a28 DH |
1601 | if (((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) |
1602 | == USB_DIR_IN) && | |
1603 | ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) | |
1604 | == USB_ENDPOINT_XFER_ISOC)) { | |
fc4ce6cd DH |
1605 | |
1606 | /* we find our isoc in endpoint */ | |
1607 | u16 tmp = le16_to_cpu(endpoint->wMaxPacketSize); | |
62899a28 DH |
1608 | dev->max_pkt_size = (tmp & 0x07ff) * |
1609 | (((tmp & 0x1800) >> 11) + 1); | |
fc4ce6cd DH |
1610 | dev->isoc_in_endpointaddr = endpoint->bEndpointAddress; |
1611 | } | |
1612 | } | |
62899a28 DH |
1613 | if (!(dev->isoc_in_endpointaddr)) { |
1614 | printk(KERN_INFO "Could not locate isoc endpoint\n"); | |
fc4ce6cd DH |
1615 | kfree(dev); |
1616 | return -ENODEV; | |
1617 | } | |
1618 | ||
8b2f0795 DH |
1619 | init_waitqueue_head(&dev->open); |
1620 | spin_lock_init(&dev->slock); | |
1621 | mutex_init(&dev->lock); | |
1622 | ||
1623 | INIT_LIST_HEAD(&dev->vidq.active); | |
1624 | INIT_LIST_HEAD(&dev->vidq.queued); | |
1625 | ||
1626 | dev->width = NTSC_STD_W; | |
1627 | dev->height = NTSC_STD_H; | |
1628 | dev->field_size = dev->width * dev->height; | |
1629 | dev->frame_size = dev->field_size << 1; | |
1630 | dev->bytesperline = dev->width << 1; | |
1631 | dev->ctrl_ainput = 0; | |
1632 | ||
1633 | /* allocate and fill v4l2 video struct */ | |
1634 | dev->vdev = video_device_alloc(); | |
62899a28 | 1635 | if (NULL == dev->vdev) { |
8b2f0795 DH |
1636 | dprintk(1, "Can't allocate video_device.\n"); |
1637 | return -ENOMEM; | |
1638 | } | |
1639 | ||
dd27ade7 | 1640 | #ifdef VBI_IS_WORKING |
8b2f0795 | 1641 | dev->vbi_dev = video_device_alloc(); |
62899a28 | 1642 | if (NULL == dev->vbi_dev) { |
8b2f0795 DH |
1643 | dprintk(1, "Can't allocate vbi_device.\n"); |
1644 | kfree(dev->vdev); | |
1645 | return -ENOMEM; | |
1646 | } | |
5a5a4e16 | 1647 | #endif |
8b2f0795 DH |
1648 | |
1649 | /* Fill the video capture device struct */ | |
1650 | *dev->vdev = au0828_video_template; | |
8b2f0795 DH |
1651 | dev->vdev->parent = &dev->usbdev->dev; |
1652 | strcpy(dev->vdev->name, "au0828a video"); | |
1653 | ||
dd27ade7 | 1654 | #ifdef VBI_IS_WORKING |
8b2f0795 DH |
1655 | /* Setup the VBI device */ |
1656 | *dev->vbi_dev = au0828_video_template; | |
8b2f0795 DH |
1657 | dev->vbi_dev->parent = &dev->usbdev->dev; |
1658 | strcpy(dev->vbi_dev->name, "au0828a vbi"); | |
5a5a4e16 | 1659 | #endif |
8b2f0795 | 1660 | |
8b2f0795 | 1661 | /* Register the v4l2 device */ |
63b0d5ad | 1662 | video_set_drvdata(dev->vdev, dev); |
62899a28 DH |
1663 | retval = video_register_device(dev->vdev, VFL_TYPE_GRABBER, -1); |
1664 | if (retval != 0) { | |
1665 | dprintk(1, "unable to register video device (error = %d).\n", | |
1666 | retval); | |
8b2f0795 DH |
1667 | video_device_release(dev->vdev); |
1668 | return -ENODEV; | |
1669 | } | |
1670 | ||
dd27ade7 | 1671 | #ifdef VBI_IS_WORKING |
8b2f0795 | 1672 | /* Register the vbi device */ |
63b0d5ad | 1673 | video_set_drvdata(dev->vbi_dev, dev); |
62899a28 DH |
1674 | retval = video_register_device(dev->vbi_dev, VFL_TYPE_VBI, -1); |
1675 | if (retval != 0) { | |
1676 | dprintk(1, "unable to register vbi device (error = %d).\n", | |
1677 | retval); | |
8b2f0795 DH |
1678 | video_device_release(dev->vbi_dev); |
1679 | video_device_release(dev->vdev); | |
1680 | return -ENODEV; | |
1681 | } | |
5a5a4e16 | 1682 | #endif |
8b2f0795 | 1683 | |
62899a28 | 1684 | dprintk(1, "%s completed!\n", __func__); |
8b2f0795 DH |
1685 | |
1686 | return 0; | |
1687 | } | |
1688 |