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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> | |
36 | #include <linux/videodev.h> | |
37 | #include <media/v4l2-common.h> | |
38 | #include <media/v4l2-ioctl.h> | |
39 | #include <media/v4l2-chip-ident.h> | |
40 | #include <media/tuner.h> | |
41 | #include "au0828.h" | |
42 | #include "au0828-reg.h" | |
43 | ||
44 | static LIST_HEAD(au0828_devlist); | |
45 | static DEFINE_MUTEX(au0828_sysfs_lock); | |
46 | ||
47 | #define AU0828_VERSION_CODE KERNEL_VERSION(0, 0, 1) | |
48 | ||
49 | /* Forward declarations */ | |
50 | void au0828_analog_stream_reset(struct au0828_dev *dev); | |
51 | ||
52 | /* ------------------------------------------------------------------ | |
53 | Videobuf operations | |
54 | ------------------------------------------------------------------*/ | |
55 | ||
56 | static unsigned int isoc_debug; | |
57 | module_param(isoc_debug, int, 0644); | |
58 | MODULE_PARM_DESC(isoc_debug, "enable debug messages [isoc transfers]"); | |
59 | ||
60 | #define au0828_isocdbg(fmt, arg...) \ | |
61 | do {\ | |
62 | if (isoc_debug) { \ | |
63 | printk(KERN_INFO "au0828 %s :"fmt, \ | |
64 | __func__ , ##arg); \ | |
65 | } \ | |
66 | } while (0) | |
67 | ||
68 | static inline void print_err_status(struct au0828_dev *dev, | |
69 | int packet, int status) | |
70 | { | |
71 | char *errmsg = "Unknown"; | |
72 | ||
73 | switch (status) { | |
74 | case -ENOENT: | |
75 | errmsg = "unlinked synchronuously"; | |
76 | break; | |
77 | case -ECONNRESET: | |
78 | errmsg = "unlinked asynchronuously"; | |
79 | break; | |
80 | case -ENOSR: | |
81 | errmsg = "Buffer error (overrun)"; | |
82 | break; | |
83 | case -EPIPE: | |
84 | errmsg = "Stalled (device not responding)"; | |
85 | break; | |
86 | case -EOVERFLOW: | |
87 | errmsg = "Babble (bad cable?)"; | |
88 | break; | |
89 | case -EPROTO: | |
90 | errmsg = "Bit-stuff error (bad cable?)"; | |
91 | break; | |
92 | case -EILSEQ: | |
93 | errmsg = "CRC/Timeout (could be anything)"; | |
94 | break; | |
95 | case -ETIME: | |
96 | errmsg = "Device does not respond"; | |
97 | break; | |
98 | } | |
99 | if (packet < 0) { | |
100 | au0828_isocdbg("URB status %d [%s].\n", status, errmsg); | |
101 | } else { | |
102 | au0828_isocdbg("URB packet %d, status %d [%s].\n", | |
103 | packet, status, errmsg); | |
104 | } | |
105 | } | |
106 | ||
107 | static int check_dev(struct au0828_dev *dev) | |
108 | { | |
109 | if (dev->dev_state & DEV_DISCONNECTED) { | |
110 | printk("v4l2 ioctl: device not present\n"); | |
111 | return -ENODEV; | |
112 | } | |
113 | ||
114 | if (dev->dev_state & DEV_MISCONFIGURED) { | |
115 | printk("v4l2 ioctl: device is misconfigured; " | |
116 | "close and open it again\n"); | |
117 | return -EIO; | |
118 | } | |
119 | return 0; | |
120 | } | |
121 | ||
122 | /* | |
123 | * IRQ callback, called by URB callback | |
124 | */ | |
125 | static void au0828_irq_callback(struct urb *urb) | |
126 | { | |
127 | struct au0828_dmaqueue *dma_q = urb->context; | |
128 | struct au0828_dev *dev = container_of(dma_q, struct au0828_dev, vidq); | |
129 | int rc, i; | |
130 | ||
131 | switch (urb->status) { | |
132 | case 0: /* success */ | |
133 | case -ETIMEDOUT: /* NAK */ | |
134 | break; | |
135 | case -ECONNRESET: /* kill */ | |
136 | case -ENOENT: | |
137 | case -ESHUTDOWN: | |
138 | au0828_isocdbg("au0828_irq_callback called: status kill\n"); | |
139 | return; | |
140 | default: /* unknown error */ | |
141 | au0828_isocdbg("urb completition error %d.\n", urb->status); | |
142 | break; | |
143 | } | |
144 | ||
145 | /* Copy data from URB */ | |
146 | spin_lock(&dev->slock); | |
147 | rc = dev->isoc_ctl.isoc_copy(dev, urb); | |
148 | spin_unlock(&dev->slock); | |
149 | ||
150 | /* Reset urb buffers */ | |
151 | for (i = 0; i < urb->number_of_packets; i++) { | |
152 | urb->iso_frame_desc[i].status = 0; | |
153 | urb->iso_frame_desc[i].actual_length = 0; | |
154 | } | |
155 | urb->status = 0; | |
156 | ||
157 | urb->status = usb_submit_urb(urb, GFP_ATOMIC); | |
158 | if (urb->status) { | |
159 | au0828_isocdbg("urb resubmit failed (error=%i)\n", | |
160 | urb->status); | |
161 | } | |
162 | } | |
163 | ||
164 | /* | |
165 | * Stop and Deallocate URBs | |
166 | */ | |
167 | void au0828_uninit_isoc(struct au0828_dev *dev) | |
168 | { | |
169 | struct urb *urb; | |
170 | int i; | |
171 | ||
172 | au0828_isocdbg("au0828: called au0828_uninit_isoc\n"); | |
173 | ||
174 | dev->isoc_ctl.nfields = -1; | |
175 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
176 | urb = dev->isoc_ctl.urb[i]; | |
177 | if (urb) { | |
178 | if (!irqs_disabled()) | |
179 | usb_kill_urb(urb); | |
180 | else | |
181 | usb_unlink_urb(urb); | |
182 | ||
183 | if (dev->isoc_ctl.transfer_buffer[i]) { | |
184 | usb_buffer_free(dev->usbdev, | |
185 | urb->transfer_buffer_length, | |
186 | dev->isoc_ctl.transfer_buffer[i], | |
187 | urb->transfer_dma); | |
188 | } | |
189 | usb_free_urb(urb); | |
190 | dev->isoc_ctl.urb[i] = NULL; | |
191 | } | |
192 | dev->isoc_ctl.transfer_buffer[i] = NULL; | |
193 | } | |
194 | ||
195 | kfree(dev->isoc_ctl.urb); | |
196 | kfree(dev->isoc_ctl.transfer_buffer); | |
197 | ||
198 | dev->isoc_ctl.urb = NULL; | |
199 | dev->isoc_ctl.transfer_buffer = NULL; | |
200 | dev->isoc_ctl.num_bufs = 0; | |
201 | } | |
202 | ||
203 | /* | |
204 | * Allocate URBs and start IRQ | |
205 | */ | |
206 | int au0828_init_isoc(struct au0828_dev *dev, int max_packets, | |
207 | int num_bufs, int max_pkt_size, | |
208 | int (*isoc_copy) (struct au0828_dev *dev, struct urb *urb)) | |
209 | { | |
210 | struct au0828_dmaqueue *dma_q = &dev->vidq; | |
211 | int i; | |
212 | int sb_size, pipe; | |
213 | struct urb *urb; | |
214 | int j, k; | |
215 | int rc; | |
216 | ||
217 | au0828_isocdbg("au0828: called au0828_prepare_isoc\n"); | |
218 | ||
219 | /* De-allocates all pending stuff */ | |
220 | au0828_uninit_isoc(dev); | |
221 | ||
222 | dev->isoc_ctl.isoc_copy = isoc_copy; | |
223 | dev->isoc_ctl.num_bufs = num_bufs; | |
224 | ||
225 | dev->isoc_ctl.urb = kzalloc(sizeof(void *)*num_bufs, GFP_KERNEL); | |
226 | if (!dev->isoc_ctl.urb) { | |
227 | au0828_isocdbg("cannot alloc memory for usb buffers\n"); | |
228 | return -ENOMEM; | |
229 | } | |
230 | ||
231 | dev->isoc_ctl.transfer_buffer = kzalloc(sizeof(void *)*num_bufs, | |
232 | GFP_KERNEL); | |
233 | if (!dev->isoc_ctl.transfer_buffer) { | |
234 | au0828_isocdbg("cannot allocate memory for usb transfer\n"); | |
235 | kfree(dev->isoc_ctl.urb); | |
236 | return -ENOMEM; | |
237 | } | |
238 | ||
239 | dev->isoc_ctl.max_pkt_size = max_pkt_size; | |
240 | dev->isoc_ctl.buf = NULL; | |
241 | ||
242 | sb_size = max_packets * dev->isoc_ctl.max_pkt_size; | |
243 | ||
244 | /* allocate urbs and transfer buffers */ | |
245 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
246 | urb = usb_alloc_urb(max_packets, GFP_KERNEL); | |
247 | if (!urb) { | |
248 | au0828_isocdbg("cannot alloc isoc_ctl.urb %i\n", i); | |
249 | au0828_uninit_isoc(dev); | |
250 | return -ENOMEM; | |
251 | } | |
252 | dev->isoc_ctl.urb[i] = urb; | |
253 | ||
254 | dev->isoc_ctl.transfer_buffer[i] = usb_buffer_alloc(dev->usbdev, | |
255 | sb_size, GFP_KERNEL, &urb->transfer_dma); | |
256 | if (!dev->isoc_ctl.transfer_buffer[i]) { | |
257 | printk("unable to allocate %i bytes for transfer" | |
258 | " buffer %i%s\n", | |
259 | sb_size, i, | |
260 | in_interrupt() ? " while in int" : ""); | |
261 | au0828_uninit_isoc(dev); | |
262 | return -ENOMEM; | |
263 | } | |
264 | memset(dev->isoc_ctl.transfer_buffer[i], 0, sb_size); | |
265 | ||
266 | pipe = usb_rcvisocpipe(dev->usbdev, | |
267 | dev->isoc_in_endpointaddr), | |
268 | ||
269 | usb_fill_int_urb(urb, dev->usbdev, pipe, | |
270 | dev->isoc_ctl.transfer_buffer[i], sb_size, | |
271 | au0828_irq_callback, dma_q, 1); | |
272 | ||
273 | urb->number_of_packets = max_packets; | |
274 | urb->transfer_flags = URB_ISO_ASAP; | |
275 | ||
276 | k = 0; | |
277 | for (j = 0; j < max_packets; j++) { | |
278 | urb->iso_frame_desc[j].offset = k; | |
279 | urb->iso_frame_desc[j].length = | |
280 | dev->isoc_ctl.max_pkt_size; | |
281 | k += dev->isoc_ctl.max_pkt_size; | |
282 | } | |
283 | } | |
284 | ||
285 | init_waitqueue_head(&dma_q->wq); | |
286 | ||
287 | /* submit urbs and enables IRQ */ | |
288 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
289 | rc = usb_submit_urb(dev->isoc_ctl.urb[i], GFP_ATOMIC); | |
290 | if (rc) { | |
291 | au0828_isocdbg("submit of urb %i failed (error=%i)\n", | |
292 | i, rc); | |
293 | au0828_uninit_isoc(dev); | |
294 | return rc; | |
295 | } | |
296 | } | |
297 | ||
298 | return 0; | |
299 | } | |
300 | ||
301 | /* | |
302 | * Announces that a buffer were filled and request the next | |
303 | */ | |
304 | static inline void buffer_filled(struct au0828_dev *dev, | |
305 | struct au0828_dmaqueue *dma_q, | |
306 | struct au0828_buffer *buf) | |
307 | { | |
308 | /* Advice that buffer was filled */ | |
309 | au0828_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i); | |
310 | ||
311 | buf->vb.state = VIDEOBUF_DONE; | |
312 | buf->vb.field_count++; | |
313 | do_gettimeofday(&buf->vb.ts); | |
314 | ||
315 | dev->isoc_ctl.buf = NULL; | |
316 | ||
317 | list_del(&buf->vb.queue); | |
318 | wake_up(&buf->vb.done); | |
319 | } | |
320 | ||
321 | /* | |
322 | * Identify the buffer header type and properly handles | |
323 | */ | |
324 | static void au0828_copy_video(struct au0828_dev *dev, | |
325 | struct au0828_dmaqueue *dma_q, | |
326 | struct au0828_buffer *buf, | |
327 | unsigned char *p, | |
328 | unsigned char *outp, unsigned long len) | |
329 | { | |
330 | void *fieldstart, *startwrite, *startread; | |
331 | int linesdone, currlinedone, offset, lencopy, remain; | |
332 | int bytesperline = dev->width << 1; /* Assumes 16-bit depth @@@@ */ | |
333 | ||
334 | if (dma_q->pos + len > buf->vb.size) | |
335 | len = buf->vb.size - dma_q->pos; | |
336 | ||
337 | startread = p; | |
338 | remain = len; | |
339 | ||
340 | /* Interlaces frame */ | |
341 | if (buf->top_field) | |
342 | fieldstart = outp; | |
343 | else | |
344 | fieldstart = outp + bytesperline; | |
345 | ||
346 | linesdone = dma_q->pos / bytesperline; | |
347 | currlinedone = dma_q->pos % bytesperline; | |
348 | offset = linesdone * bytesperline * 2 + currlinedone; | |
349 | startwrite = fieldstart + offset; | |
350 | lencopy = bytesperline - currlinedone; | |
351 | lencopy = lencopy > remain ? remain : lencopy; | |
352 | ||
353 | if ((char *)startwrite + lencopy > (char *)outp + buf->vb.size) { | |
354 | au0828_isocdbg("Overflow of %zi bytes past buffer end (1)\n", | |
355 | ((char *)startwrite + lencopy) - | |
356 | ((char *)outp + buf->vb.size)); | |
357 | remain = (char *)outp + buf->vb.size - (char *)startwrite; | |
358 | lencopy = remain; | |
359 | } | |
360 | if (lencopy <= 0) | |
361 | return; | |
362 | memcpy(startwrite, startread, lencopy); | |
363 | ||
364 | remain -= lencopy; | |
365 | ||
366 | while (remain > 0) { | |
367 | startwrite += lencopy + bytesperline; | |
368 | startread += lencopy; | |
369 | if (bytesperline > remain) | |
370 | lencopy = remain; | |
371 | else | |
372 | lencopy = bytesperline; | |
373 | ||
374 | if ((char *)startwrite + lencopy > (char *)outp + | |
375 | buf->vb.size) { | |
376 | au0828_isocdbg("Overflow of %zi bytes past buffer end (2)\n", | |
377 | ((char *)startwrite + lencopy) - | |
378 | ((char *)outp + buf->vb.size)); | |
379 | lencopy = remain = (char *)outp + buf->vb.size - | |
380 | (char *)startwrite; | |
381 | } | |
382 | if (lencopy <= 0) | |
383 | break; | |
384 | ||
385 | memcpy(startwrite, startread, lencopy); | |
386 | ||
387 | remain -= lencopy; | |
388 | } | |
389 | ||
390 | if (offset > 1440) { | |
391 | /* We have enough data to check for greenscreen */ | |
392 | if (outp[0] < 0x60 && outp[1440] < 0x60) { | |
393 | dev->greenscreen_detected = 1; | |
394 | } | |
395 | } | |
396 | ||
397 | dma_q->pos += len; | |
398 | } | |
399 | ||
400 | /* | |
401 | * video-buf generic routine to get the next available buffer | |
402 | */ | |
403 | static inline void get_next_buf(struct au0828_dmaqueue *dma_q, | |
404 | struct au0828_buffer **buf) | |
405 | { | |
406 | struct au0828_dev *dev = container_of(dma_q, struct au0828_dev, vidq); | |
407 | ||
408 | if (list_empty(&dma_q->active)) { | |
409 | au0828_isocdbg("No active queue to serve\n"); | |
410 | dev->isoc_ctl.buf = NULL; | |
411 | *buf = NULL; | |
412 | return; | |
413 | } | |
414 | ||
415 | /* Get the next buffer */ | |
416 | *buf = list_entry(dma_q->active.next, struct au0828_buffer, vb.queue); | |
417 | dev->isoc_ctl.buf = *buf; | |
418 | ||
419 | return; | |
420 | } | |
421 | ||
422 | /* | |
423 | * Controls the isoc copy of each urb packet | |
424 | */ | |
425 | static inline int au0828_isoc_copy(struct au0828_dev *dev, struct urb *urb) | |
426 | { | |
427 | struct au0828_buffer *buf; | |
428 | struct au0828_dmaqueue *dma_q = urb->context; | |
429 | unsigned char *outp = NULL; | |
430 | int i, len = 0, rc = 1; | |
431 | unsigned char *p; | |
432 | unsigned char fbyte; | |
433 | ||
434 | if (!dev) | |
435 | return 0; | |
436 | ||
437 | if ((dev->dev_state & DEV_DISCONNECTED) || | |
438 | (dev->dev_state & DEV_MISCONFIGURED)) | |
439 | return 0; | |
440 | ||
441 | if (urb->status < 0) { | |
442 | print_err_status(dev, -1, urb->status); | |
443 | if (urb->status == -ENOENT) | |
444 | return 0; | |
445 | } | |
446 | ||
447 | buf = dev->isoc_ctl.buf; | |
448 | if (buf != NULL) | |
449 | outp = videobuf_to_vmalloc(&buf->vb); | |
450 | ||
451 | for (i = 0; i < urb->number_of_packets; i++) { | |
452 | int status = urb->iso_frame_desc[i].status; | |
453 | ||
454 | if (status < 0) { | |
455 | print_err_status(dev, i, status); | |
456 | if (urb->iso_frame_desc[i].status != -EPROTO) | |
457 | continue; | |
458 | } | |
459 | ||
460 | if (urb->iso_frame_desc[i].actual_length <= 0) { | |
461 | continue; | |
462 | } | |
463 | if (urb->iso_frame_desc[i].actual_length > | |
464 | dev->max_pkt_size) { | |
465 | au0828_isocdbg("packet bigger than packet size"); | |
466 | continue; | |
467 | } | |
468 | ||
469 | p = urb->transfer_buffer + urb->iso_frame_desc[i].offset; | |
470 | fbyte = p[0]; | |
471 | len = urb->iso_frame_desc[i].actual_length - 4; | |
472 | p += 4; | |
473 | ||
474 | if (fbyte & 0x80) { | |
475 | len -= 4; | |
476 | p += 4; | |
477 | au0828_isocdbg("Video frame %s\n", | |
478 | (fbyte & 0x40) ? "odd" : "even"); | |
479 | if (!(fbyte & 0x40)) { | |
480 | if (buf != NULL) | |
481 | buffer_filled(dev, dma_q, buf); | |
482 | get_next_buf(dma_q, &buf); | |
483 | if (buf == NULL) { | |
484 | outp = NULL; | |
485 | } else | |
486 | outp = videobuf_to_vmalloc(&buf->vb); | |
487 | } | |
488 | ||
489 | if (buf != NULL) { | |
490 | if (fbyte & 0x40) { | |
491 | buf->top_field = 1; | |
492 | } else { | |
493 | buf->top_field = 0; | |
494 | } | |
495 | } | |
496 | ||
497 | dma_q->pos = 0; | |
498 | } | |
499 | if (buf != NULL) { | |
500 | au0828_copy_video(dev, dma_q, buf, p, outp, len); | |
501 | } | |
502 | } | |
503 | return rc; | |
504 | } | |
505 | ||
506 | static int | |
507 | buffer_setup(struct videobuf_queue *vq, unsigned int *count, | |
508 | unsigned int *size) | |
509 | { | |
510 | struct au0828_fh *fh = vq->priv_data; | |
511 | *size = (fh->dev->width * fh->dev->height * 16 + 7) >> 3; | |
512 | ||
513 | if (0 == *count) | |
514 | *count = AU0828_DEF_BUF; | |
515 | ||
516 | if (*count < AU0828_MIN_BUF) | |
517 | *count = AU0828_MIN_BUF; | |
518 | return 0; | |
519 | } | |
520 | ||
521 | /* This is called *without* dev->slock held; please keep it that way */ | |
522 | static void free_buffer(struct videobuf_queue *vq, struct au0828_buffer *buf) | |
523 | { | |
524 | struct au0828_fh *fh = vq->priv_data; | |
525 | struct au0828_dev *dev = fh->dev; | |
526 | unsigned long flags = 0; | |
527 | if (in_interrupt()) | |
528 | BUG(); | |
529 | ||
530 | /* We used to wait for the buffer to finish here, but this didn't work | |
531 | because, as we were keeping the state as VIDEOBUF_QUEUED, | |
532 | videobuf_queue_cancel marked it as finished for us. | |
533 | (Also, it could wedge forever if the hardware was misconfigured.) | |
534 | ||
535 | This should be safe; by the time we get here, the buffer isn't | |
536 | queued anymore. If we ever start marking the buffers as | |
537 | VIDEOBUF_ACTIVE, it won't be, though. | |
538 | */ | |
539 | spin_lock_irqsave(&dev->slock, flags); | |
540 | if (dev->isoc_ctl.buf == buf) | |
541 | dev->isoc_ctl.buf = NULL; | |
542 | spin_unlock_irqrestore(&dev->slock, flags); | |
543 | ||
544 | videobuf_vmalloc_free(&buf->vb); | |
545 | buf->vb.state = VIDEOBUF_NEEDS_INIT; | |
546 | } | |
547 | ||
548 | static int | |
549 | buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, | |
550 | enum v4l2_field field) | |
551 | { | |
552 | struct au0828_fh *fh = vq->priv_data; | |
553 | struct au0828_buffer *buf = container_of(vb, struct au0828_buffer, vb); | |
554 | struct au0828_dev *dev = fh->dev; | |
555 | int rc = 0, urb_init = 0; | |
556 | ||
557 | buf->vb.size = (fh->dev->width * fh->dev->height * 16 + 7) >> 3; | |
558 | ||
559 | if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) | |
560 | return -EINVAL; | |
561 | ||
562 | buf->vb.width = dev->width; | |
563 | buf->vb.height = dev->height; | |
564 | buf->vb.field = field; | |
565 | ||
566 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { | |
567 | rc = videobuf_iolock(vq, &buf->vb, NULL); | |
568 | if (rc < 0) { | |
569 | printk("videobuf_iolock failed\n"); | |
570 | goto fail; | |
571 | } | |
572 | } | |
573 | ||
574 | if (!dev->isoc_ctl.num_bufs) | |
575 | urb_init = 1; | |
576 | ||
577 | if (urb_init) { | |
578 | rc = au0828_init_isoc(dev, AU0828_ISO_PACKETS_PER_URB, | |
579 | AU0828_MAX_ISO_BUFS, dev->max_pkt_size, | |
580 | au0828_isoc_copy); | |
581 | if (rc < 0) { | |
582 | printk("au0828_init_isoc failed\n"); | |
583 | goto fail; | |
584 | } | |
585 | } | |
586 | ||
587 | buf->vb.state = VIDEOBUF_PREPARED; | |
588 | return 0; | |
589 | ||
590 | fail: | |
591 | free_buffer(vq, buf); | |
592 | return rc; | |
593 | } | |
594 | ||
595 | static void | |
596 | buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) | |
597 | { | |
598 | struct au0828_buffer *buf = container_of(vb, | |
599 | struct au0828_buffer, | |
600 | vb); | |
601 | struct au0828_fh *fh = vq->priv_data; | |
602 | struct au0828_dev *dev = fh->dev; | |
603 | struct au0828_dmaqueue *vidq = &dev->vidq; | |
604 | ||
605 | buf->vb.state = VIDEOBUF_QUEUED; | |
606 | list_add_tail(&buf->vb.queue, &vidq->active); | |
607 | } | |
608 | ||
609 | static void buffer_release(struct videobuf_queue *vq, | |
610 | struct videobuf_buffer *vb) | |
611 | { | |
612 | struct au0828_buffer *buf = container_of(vb, | |
613 | struct au0828_buffer, | |
614 | vb); | |
615 | ||
616 | free_buffer(vq, buf); | |
617 | } | |
618 | ||
619 | static struct videobuf_queue_ops au0828_video_qops = { | |
620 | .buf_setup = buffer_setup, | |
621 | .buf_prepare = buffer_prepare, | |
622 | .buf_queue = buffer_queue, | |
623 | .buf_release = buffer_release, | |
624 | }; | |
625 | ||
626 | /* ------------------------------------------------------------------ | |
627 | V4L2 interface | |
628 | ------------------------------------------------------------------*/ | |
629 | ||
630 | static int au0828_i2s_init(struct au0828_dev *dev) | |
631 | { | |
632 | /* Enable i2s mode */ | |
633 | au0828_writereg(dev, AU0828_AUDIOCTRL_50C, 0x01); | |
634 | return 0; | |
635 | } | |
636 | ||
637 | /* | |
638 | * Auvitek au0828 analog stream enable | |
639 | * Please set interface0 to AS5 before enable the stream | |
640 | */ | |
641 | int au0828_analog_stream_enable(struct au0828_dev *d) | |
642 | { | |
643 | dprintk(1, "au0828_analog_stream_enable called\n"); | |
644 | au0828_writereg(d, AU0828_SENSORCTRL_VBI_103, 0x00); | |
645 | au0828_writereg(d, 0x106, 0x00); | |
646 | /* set x position */ | |
647 | au0828_writereg(d, 0x110, 0x00); | |
648 | au0828_writereg(d, 0x111, 0x00); | |
649 | au0828_writereg(d, 0x114, 0xa0); | |
650 | au0828_writereg(d, 0x115, 0x05); | |
651 | /* set y position */ | |
652 | au0828_writereg(d, 0x112, 0x02); | |
653 | au0828_writereg(d, 0x113, 0x00); | |
654 | au0828_writereg(d, 0x116, 0xf2); | |
655 | au0828_writereg(d, 0x117, 0x00); | |
656 | au0828_writereg(d, AU0828_SENSORCTRL_100, 0xb3); | |
657 | ||
658 | return 0; | |
659 | } | |
660 | ||
661 | int au0828_analog_stream_disable(struct au0828_dev *d) | |
662 | { | |
663 | dprintk(1, "au0828_analog_stream_disable called\n"); | |
664 | au0828_writereg(d, AU0828_SENSORCTRL_100, 0x0); | |
665 | return 0; | |
666 | } | |
667 | ||
668 | void au0828_analog_stream_reset(struct au0828_dev *dev) | |
669 | { | |
670 | dprintk(1, "au0828_analog_stream_reset called\n"); | |
671 | au0828_writereg(dev, AU0828_SENSORCTRL_100, 0x0); | |
672 | mdelay(30); | |
673 | au0828_writereg(dev, AU0828_SENSORCTRL_100, 0xb3); | |
674 | } | |
675 | ||
676 | /* | |
677 | * Some operations needs to stop current streaming | |
678 | */ | |
679 | static int au0828_stream_interrupt(struct au0828_dev *dev) | |
680 | { | |
681 | int ret = 0; | |
682 | ||
683 | dev->stream_state = STREAM_INTERRUPT; | |
684 | if(dev->dev_state == DEV_DISCONNECTED) | |
685 | return -ENODEV; | |
686 | else if(ret) { | |
687 | dev->dev_state = DEV_MISCONFIGURED; | |
688 | dprintk(1, "%s device is misconfigured!\n", __FUNCTION__); | |
689 | return ret; | |
690 | } | |
691 | return 0; | |
692 | } | |
693 | ||
694 | /* | |
695 | * au0828_release_resources | |
696 | * unregister v4l2 devices | |
697 | */ | |
698 | void au0828_analog_unregister(struct au0828_dev *dev) | |
699 | { | |
700 | dprintk(1, "au0828_release_resources called\n"); | |
701 | mutex_lock(&au0828_sysfs_lock); | |
702 | ||
703 | list_del(&dev->au0828list); | |
5a5a4e16 DH |
704 | if (dev->vdev) |
705 | video_unregister_device(dev->vdev); | |
706 | if (dev->vbi_dev) | |
707 | video_unregister_device(dev->vbi_dev); | |
8b2f0795 DH |
708 | |
709 | mutex_unlock(&au0828_sysfs_lock); | |
710 | } | |
711 | ||
712 | ||
713 | /* Usage lock check functions */ | |
714 | static int res_get(struct au0828_fh *fh) | |
715 | { | |
716 | struct au0828_dev *dev = fh->dev; | |
717 | int rc = 0; | |
718 | ||
719 | /* This instance already has stream_on */ | |
720 | if (fh->stream_on) | |
721 | return rc; | |
722 | ||
723 | if (dev->stream_on) | |
724 | return -EBUSY; | |
725 | ||
726 | dev->stream_on = 1; | |
727 | fh->stream_on = 1; | |
728 | return rc; | |
729 | } | |
730 | ||
731 | static int res_check(struct au0828_fh *fh) | |
732 | { | |
733 | return fh->stream_on; | |
734 | } | |
735 | ||
736 | static void res_free(struct au0828_fh *fh) | |
737 | { | |
738 | struct au0828_dev *dev = fh->dev; | |
739 | ||
740 | fh->stream_on = 0; | |
741 | dev->stream_on = 0; | |
742 | } | |
743 | ||
744 | static int au0828_v4l2_open(struct file *filp) | |
745 | { | |
746 | int minor = video_devdata(filp)->minor; | |
747 | int ret = 0; | |
748 | struct au0828_dev *h, *dev = NULL; | |
749 | struct au0828_fh *fh; | |
750 | int type = 0; | |
751 | struct list_head *list; | |
752 | ||
753 | list_for_each(list, &au0828_devlist) { | |
754 | h = list_entry(list, struct au0828_dev, au0828list); | |
755 | if(h->vdev->minor == minor) { | |
756 | dev = h; | |
757 | type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
758 | } | |
5a5a4e16 | 759 | #ifdef VBI_NOT_YET_WORKING |
8b2f0795 DH |
760 | if(h->vbi_dev->minor == minor) { |
761 | dev = h; | |
762 | type = V4L2_BUF_TYPE_VBI_CAPTURE; | |
763 | } | |
5a5a4e16 | 764 | #endif |
8b2f0795 DH |
765 | } |
766 | ||
767 | if(NULL == dev) | |
768 | return -ENODEV; | |
769 | ||
770 | fh = kzalloc(sizeof(struct au0828_fh), GFP_KERNEL); | |
771 | if(NULL == fh) { | |
772 | dprintk(1, "Failed allocate au0828_fh struct!\n"); | |
773 | return -ENOMEM; | |
774 | } | |
775 | ||
776 | fh->type = type; | |
777 | fh->dev = dev; | |
778 | filp->private_data = fh; | |
779 | ||
780 | if(fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->users == 0) { | |
781 | /* set au0828 interface0 to AS5 here again */ | |
782 | ret = usb_set_interface(dev->usbdev, 0, 5); | |
783 | if(ret < 0) { | |
784 | printk("Au0828 can't set alt setting to 5!\n"); | |
785 | return -EBUSY; | |
786 | } | |
787 | dev->width = NTSC_STD_W; | |
788 | dev->height = NTSC_STD_H; | |
789 | dev->frame_size = dev->width * dev->height * 2; | |
790 | dev->field_size = dev->width * dev->height; | |
791 | dev->bytesperline = dev->width * 2; | |
792 | ||
793 | au0828_analog_stream_enable(dev); | |
794 | au0828_analog_stream_reset(dev); | |
795 | ||
796 | /* If we were doing ac97 instead of i2s, it would go here...*/ | |
797 | au0828_i2s_init(dev); | |
798 | ||
799 | dev->stream_state = STREAM_OFF; | |
800 | dev->dev_state |= DEV_INITIALIZED; | |
801 | } | |
802 | ||
803 | dev->users++; | |
804 | ||
805 | videobuf_queue_vmalloc_init(&fh->vb_vidq, &au0828_video_qops, | |
806 | NULL, &dev->slock, fh->type, | |
807 | V4L2_FIELD_INTERLACED, | |
808 | sizeof(struct au0828_buffer), fh); | |
809 | ||
810 | return ret; | |
811 | } | |
812 | ||
813 | static int au0828_v4l2_close(struct file *filp) | |
814 | { | |
815 | int ret; | |
816 | struct au0828_fh *fh = filp->private_data; | |
817 | struct au0828_dev *dev = fh->dev; | |
818 | ||
819 | mutex_lock(&dev->lock); | |
820 | if (res_check(fh)) | |
821 | res_free(fh); | |
822 | ||
823 | if(dev->users == 1) { | |
824 | videobuf_stop(&fh->vb_vidq); | |
825 | videobuf_mmap_free(&fh->vb_vidq); | |
826 | ||
827 | if(dev->dev_state & DEV_DISCONNECTED) { | |
828 | au0828_analog_unregister(dev); | |
829 | mutex_unlock(&dev->lock); | |
830 | kfree(dev); | |
831 | return 0; | |
832 | } | |
833 | ||
834 | au0828_analog_stream_disable(dev); | |
835 | ||
836 | au0828_uninit_isoc(dev); | |
837 | ||
838 | /* When close the device, set the usb intf0 into alt0 to free | |
839 | USB bandwidth */ | |
840 | ret = usb_set_interface(dev->usbdev, 0, 0); | |
841 | if(ret < 0) | |
842 | printk("Au0828 can't set alt setting to 0!\n"); | |
843 | } | |
844 | ||
845 | kfree(fh); | |
846 | dev->users--; | |
847 | wake_up_interruptible_nr(&dev->open, 1); | |
848 | mutex_unlock(&dev->lock); | |
849 | return 0; | |
850 | } | |
851 | ||
852 | static ssize_t au0828_v4l2_read(struct file *filp, char __user *buf, | |
853 | size_t count, loff_t *pos) | |
854 | { | |
855 | struct au0828_fh *fh = filp->private_data; | |
856 | struct au0828_dev *dev = fh->dev; | |
857 | int rc; | |
858 | ||
859 | rc = check_dev(dev); | |
860 | if (rc < 0) | |
861 | return rc; | |
862 | ||
863 | if(fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { | |
864 | mutex_lock(&dev->lock); | |
865 | rc = res_get(fh); | |
866 | mutex_unlock(&dev->lock); | |
867 | ||
868 | if (unlikely(rc < 0)) | |
869 | return rc; | |
870 | ||
871 | return videobuf_read_stream(&fh->vb_vidq, buf, count, pos, 0, | |
872 | filp->f_flags & O_NONBLOCK); | |
873 | } | |
874 | return 0; | |
875 | } | |
876 | ||
877 | static unsigned int au0828_v4l2_poll(struct file *filp, poll_table *wait) | |
878 | { | |
879 | struct au0828_fh *fh = filp->private_data; | |
880 | struct au0828_dev *dev = fh->dev; | |
881 | int rc; | |
882 | ||
883 | rc = check_dev(dev); | |
884 | if (rc < 0) | |
885 | return rc; | |
886 | ||
887 | mutex_lock(&dev->lock); | |
888 | rc = res_get(fh); | |
889 | mutex_unlock(&dev->lock); | |
890 | ||
891 | if (unlikely(rc < 0)) | |
892 | return POLLERR; | |
893 | ||
894 | if (V4L2_BUF_TYPE_VIDEO_CAPTURE != fh->type) | |
895 | return POLLERR; | |
896 | ||
897 | return videobuf_poll_stream(filp, &fh->vb_vidq, wait); | |
898 | } | |
899 | ||
900 | static int au0828_v4l2_mmap(struct file *filp, struct vm_area_struct *vma) | |
901 | { | |
902 | struct au0828_fh *fh = filp->private_data; | |
903 | struct au0828_dev *dev = fh->dev; | |
904 | int rc; | |
905 | ||
906 | rc = check_dev(dev); | |
907 | if (rc < 0) | |
908 | return rc; | |
909 | ||
910 | mutex_lock(&dev->lock); | |
911 | rc = res_get(fh); | |
912 | mutex_unlock(&dev->lock); | |
913 | ||
914 | if (unlikely(rc < 0)) | |
915 | return rc; | |
916 | ||
917 | rc = videobuf_mmap_mapper(&fh->vb_vidq, vma); | |
918 | ||
919 | dprintk(2, "vma start=0x%08lx, size=%ld, ret=%d\n", | |
920 | (unsigned long)vma->vm_start, | |
921 | (unsigned long)vma->vm_end-(unsigned long)vma->vm_start, | |
922 | rc); | |
923 | ||
924 | return rc; | |
925 | } | |
926 | ||
927 | static int au0828_set_format(struct au0828_dev *dev, unsigned int cmd, | |
928 | struct v4l2_format *format) | |
929 | { | |
930 | int ret; | |
931 | int width = format->fmt.pix.width; | |
932 | int height = format->fmt.pix.height; | |
933 | unsigned int maxwidth, maxheight; | |
934 | ||
935 | maxwidth = 720; | |
936 | maxheight = 480; | |
937 | ||
5a5a4e16 | 938 | #ifdef VBI_NOT_YET_WORKING |
8b2f0795 DH |
939 | if(format->type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) { |
940 | dprintk(1, "VBI format set: to be supported!\n"); | |
941 | return 0; | |
942 | } | |
943 | if(format->type == V4L2_BUF_TYPE_VBI_CAPTURE) { | |
944 | return 0; | |
945 | } | |
5a5a4e16 | 946 | #endif |
8b2f0795 DH |
947 | if(format->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
948 | return -EINVAL; | |
949 | } | |
950 | ||
951 | /* If they are demanding a format other than the one we support, | |
952 | bail out (tvtime asks for UYVY and then retries with YUYV) */ | |
953 | if (format->fmt.pix.pixelformat != V4L2_PIX_FMT_UYVY) { | |
954 | return -EINVAL; | |
955 | } | |
956 | ||
957 | /* format->fmt.pix.width only support 720 and height 480 */ | |
958 | if(width != 720) | |
959 | width = 720; | |
960 | if(height != 480) | |
961 | height = 480; | |
962 | ||
963 | format->fmt.pix.width = width; | |
964 | format->fmt.pix.height = height; | |
965 | format->fmt.pix.pixelformat = V4L2_PIX_FMT_UYVY; | |
966 | format->fmt.pix.bytesperline = width * 2; | |
967 | format->fmt.pix.sizeimage = width * height * 2; | |
968 | format->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; | |
969 | format->fmt.pix.field = V4L2_FIELD_INTERLACED; | |
970 | ||
971 | if(cmd == VIDIOC_TRY_FMT) | |
972 | return 0; | |
973 | ||
974 | /* maybe set new image format, driver current only support 720*480 */ | |
975 | dev->width = width; | |
976 | dev->height = height; | |
977 | dev->frame_size = width * height * 2; | |
978 | dev->field_size = width * height; | |
979 | dev->bytesperline = width * 2; | |
980 | ||
981 | if(dev->stream_state == STREAM_ON) { | |
982 | dprintk(1, "VIDIOC_SET_FMT: interrupting stream!\n"); | |
983 | if((ret = au0828_stream_interrupt(dev))) { | |
984 | dprintk(1, "error interrupting video stream!\n"); | |
985 | return ret; | |
986 | } | |
987 | } | |
988 | ||
989 | /* set au0828 interface0 to AS5 here again */ | |
990 | ret = usb_set_interface(dev->usbdev, 0, 5); | |
991 | if(ret < 0) { | |
992 | printk("Au0828 can't set alt setting to 5!\n"); | |
993 | return -EBUSY; | |
994 | } | |
995 | ||
996 | au0828_analog_stream_enable(dev); | |
997 | ||
998 | return 0; | |
999 | } | |
1000 | ||
1001 | ||
1002 | static int vidioc_queryctrl(struct file *file, void *priv, | |
1003 | struct v4l2_queryctrl *qc) | |
1004 | { | |
1005 | struct au0828_fh *fh = priv; | |
1006 | struct au0828_dev *dev = fh->dev; | |
1007 | au0828_call_i2c_clients(dev, VIDIOC_QUERYCTRL, qc); | |
1008 | if (qc->type) | |
1009 | return 0; | |
1010 | else | |
1011 | return -EINVAL; | |
1012 | } | |
1013 | ||
1014 | static int vidioc_querycap(struct file *file, void *priv, | |
1015 | struct v4l2_capability *cap) | |
1016 | { | |
1017 | struct au0828_fh *fh = priv; | |
1018 | struct au0828_dev *dev = fh->dev; | |
1019 | ||
1020 | memset(cap, 0, sizeof(*cap)); | |
1021 | strlcpy(cap->driver, "au0828", sizeof(cap->driver)); | |
f1add5b5 | 1022 | strlcpy(cap->card, dev->board.name, sizeof(cap->card)); |
8b2f0795 DH |
1023 | strlcpy(cap->bus_info, dev->usbdev->dev.bus_id, sizeof(cap->bus_info)); |
1024 | ||
1025 | cap->version = AU0828_VERSION_CODE; | |
1026 | ||
1027 | /*set the device capabilities */ | |
5a5a4e16 DH |
1028 | cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | |
1029 | #ifdef VBI_NOT_YET_WORKING | |
1030 | V4L2_CAP_VBI_CAPTURE | | |
1031 | #endif | |
8b2f0795 DH |
1032 | V4L2_CAP_AUDIO | |
1033 | V4L2_CAP_READWRITE | | |
1034 | V4L2_CAP_STREAMING | | |
1035 | V4L2_CAP_TUNER; | |
1036 | return 0; | |
1037 | } | |
1038 | ||
1039 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, | |
1040 | struct v4l2_fmtdesc *f) | |
1041 | { | |
1042 | if(f->index) | |
1043 | return -EINVAL; | |
1044 | ||
1045 | memset(f, 0, sizeof(*f)); | |
1046 | f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
1047 | strcpy(f->description, "Packed YUV2"); | |
1048 | ||
1049 | f->flags = 0; | |
1050 | f->pixelformat = V4L2_PIX_FMT_UYVY; | |
1051 | ||
1052 | memset(f->reserved, 0, sizeof(f->reserved)); | |
1053 | return 0; | |
1054 | } | |
1055 | ||
1056 | static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, | |
1057 | struct v4l2_format *f) | |
1058 | { | |
1059 | struct au0828_fh *fh = priv; | |
1060 | struct au0828_dev *dev = fh->dev; | |
1061 | ||
1062 | f->fmt.pix.width = dev->width; | |
1063 | f->fmt.pix.height = dev->height; | |
1064 | f->fmt.pix.pixelformat = V4L2_PIX_FMT_UYVY; | |
1065 | f->fmt.pix.bytesperline = dev->bytesperline; | |
1066 | f->fmt.pix.sizeimage = dev->frame_size; | |
1067 | f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; /* NTSC/PAL */ | |
1068 | f->fmt.pix.field = V4L2_FIELD_INTERLACED; | |
1069 | return 0; | |
1070 | } | |
1071 | ||
1072 | static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, | |
1073 | struct v4l2_format *f) | |
1074 | { | |
1075 | struct au0828_fh *fh = priv; | |
1076 | struct au0828_dev *dev = fh->dev; | |
1077 | ||
1078 | return au0828_set_format(dev, VIDIOC_TRY_FMT, f); | |
1079 | } | |
1080 | ||
1081 | static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, | |
1082 | struct v4l2_format *f) | |
1083 | { | |
1084 | struct au0828_fh *fh = priv; | |
1085 | struct au0828_dev *dev = fh->dev; | |
1086 | int rc; | |
1087 | ||
1088 | if (videobuf_queue_is_busy(&fh->vb_vidq)) { | |
1089 | printk("%s queue busy\n", __func__); | |
1090 | rc = -EBUSY; | |
1091 | goto out; | |
1092 | } | |
1093 | ||
1094 | if (dev->stream_on && !fh->stream_on) { | |
1095 | printk("%s device in use by another fh\n", __func__); | |
1096 | rc = -EBUSY; | |
1097 | goto out; | |
1098 | } | |
1099 | ||
1100 | return au0828_set_format(dev, VIDIOC_S_FMT, f); | |
1101 | out: | |
1102 | return rc; | |
1103 | } | |
1104 | ||
1105 | static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id * norm) | |
1106 | { | |
1107 | struct au0828_fh *fh = priv; | |
1108 | struct au0828_dev *dev = fh->dev; | |
1109 | ||
1110 | /* FIXME: when we support something other than NTSC, we are going to | |
1111 | have to make the au0828 bridge adjust the size of its capture | |
1112 | buffer, which is currently hardcoded at 720x480 */ | |
1113 | ||
1114 | au0828_call_i2c_clients(dev, VIDIOC_S_STD, norm); | |
1115 | return 0; | |
1116 | } | |
1117 | ||
1118 | static int vidioc_enum_input(struct file *file, void *priv, | |
1119 | struct v4l2_input *input) | |
1120 | { | |
1121 | struct au0828_fh *fh = priv; | |
1122 | struct au0828_dev *dev = fh->dev; | |
1123 | unsigned int tmp; | |
1124 | ||
1125 | static const char *inames[] = { | |
1126 | [AU0828_VMUX_COMPOSITE] = "Composite", | |
1127 | [AU0828_VMUX_SVIDEO] = "S-Video", | |
1128 | [AU0828_VMUX_CABLE] = "Cable TV", | |
1129 | [AU0828_VMUX_TELEVISION] = "Television", | |
1130 | [AU0828_VMUX_DVB] = "DVB", | |
1131 | [AU0828_VMUX_DEBUG] = "tv debug" | |
1132 | }; | |
1133 | ||
1134 | tmp = input->index; | |
1135 | ||
1136 | if(tmp > AU0828_MAX_INPUT) | |
1137 | return -EINVAL; | |
f1add5b5 | 1138 | if(AUVI_INPUT(tmp).type == 0) |
8b2f0795 DH |
1139 | return -EINVAL; |
1140 | ||
1141 | memset(input, 0, sizeof(*input)); | |
1142 | input->index = tmp; | |
f1add5b5 DH |
1143 | strcpy(input->name, inames[AUVI_INPUT(tmp).type]); |
1144 | if((AUVI_INPUT(tmp).type == AU0828_VMUX_TELEVISION) || | |
1145 | (AUVI_INPUT(tmp).type == AU0828_VMUX_CABLE)) | |
8b2f0795 DH |
1146 | input->type |= V4L2_INPUT_TYPE_TUNER; |
1147 | else | |
1148 | input->type |= V4L2_INPUT_TYPE_CAMERA; | |
1149 | ||
1150 | input->std = dev->vdev->tvnorms; | |
1151 | ||
1152 | return 0; | |
1153 | } | |
1154 | ||
1155 | static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) | |
1156 | { | |
1157 | struct au0828_fh *fh = priv; | |
1158 | struct au0828_dev *dev = fh->dev; | |
1159 | *i = dev->ctrl_input; | |
1160 | return 0; | |
1161 | } | |
1162 | ||
1163 | static int vidioc_s_input(struct file *file, void *priv, unsigned int index) | |
1164 | { | |
1165 | struct au0828_fh *fh = priv; | |
1166 | struct au0828_dev *dev = fh->dev; | |
1167 | int i; | |
1168 | struct v4l2_routing route; | |
1169 | ||
1170 | dprintk(1, "VIDIOC_S_INPUT in function %s, input=%d\n", __FUNCTION__, | |
1171 | index); | |
1172 | if(index >= AU0828_MAX_INPUT) | |
1173 | return -EINVAL; | |
f1add5b5 | 1174 | if(AUVI_INPUT(index).type == 0) |
8b2f0795 DH |
1175 | return -EINVAL; |
1176 | dev->ctrl_input = index; | |
1177 | ||
f1add5b5 | 1178 | switch(AUVI_INPUT(index).type) { |
8b2f0795 DH |
1179 | case AU0828_VMUX_SVIDEO: |
1180 | { | |
1181 | dev->input_type = AU0828_VMUX_SVIDEO; | |
1182 | break; | |
1183 | } | |
1184 | case AU0828_VMUX_COMPOSITE: | |
1185 | { | |
1186 | dev->input_type = AU0828_VMUX_COMPOSITE; | |
1187 | break; | |
1188 | } | |
1189 | case AU0828_VMUX_TELEVISION: | |
1190 | { | |
1191 | dev->input_type = AU0828_VMUX_TELEVISION; | |
1192 | break; | |
1193 | } | |
1194 | default: | |
1195 | ; | |
1196 | } | |
1197 | ||
f1add5b5 | 1198 | route.input = AUVI_INPUT(index).vmux; |
8b2f0795 DH |
1199 | route.output = 0; |
1200 | au0828_call_i2c_clients(dev, VIDIOC_INT_S_VIDEO_ROUTING, &route); | |
1201 | ||
1202 | for (i = 0; i < AU0828_MAX_INPUT; i++) { | |
1203 | int enable = 0; | |
f1add5b5 | 1204 | if (AUVI_INPUT(i).audio_setup == NULL) { |
8b2f0795 DH |
1205 | continue; |
1206 | } | |
1207 | ||
1208 | if (i == index) | |
1209 | enable = 1; | |
1210 | else | |
1211 | enable = 0; | |
1212 | if (enable) { | |
f1add5b5 | 1213 | (AUVI_INPUT(i).audio_setup)(dev, enable); |
8b2f0795 DH |
1214 | } else { |
1215 | /* Make sure we leave it turned on if some | |
1216 | other input is routed to this callback */ | |
f1add5b5 DH |
1217 | if ((AUVI_INPUT(i).audio_setup) != |
1218 | ((AUVI_INPUT(index).audio_setup))) { | |
1219 | (AUVI_INPUT(i).audio_setup)(dev, enable); | |
8b2f0795 DH |
1220 | } |
1221 | } | |
1222 | } | |
1223 | ||
f1add5b5 | 1224 | route.input = AUVI_INPUT(index).amux; |
8b2f0795 DH |
1225 | au0828_call_i2c_clients(dev, VIDIOC_INT_S_AUDIO_ROUTING, |
1226 | &route); | |
1227 | return 0; | |
1228 | } | |
1229 | ||
1230 | static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a) | |
1231 | { | |
1232 | struct au0828_fh *fh = priv; | |
1233 | struct au0828_dev *dev = fh->dev; | |
1234 | unsigned int index = a->index; | |
1235 | ||
1236 | if(a->index > 1) | |
1237 | return -EINVAL; | |
1238 | ||
1239 | memset(a, 0, sizeof(*a)); | |
1240 | index = dev->ctrl_ainput; | |
1241 | if(index == 0) | |
1242 | strcpy(a->name, "Television"); | |
1243 | else | |
1244 | strcpy(a->name, "Line in"); | |
1245 | ||
1246 | a->capability = V4L2_AUDCAP_STEREO; | |
1247 | a->index = index; | |
1248 | return 0; | |
1249 | } | |
1250 | ||
1251 | static int vidioc_s_audio(struct file *file, void *priv, struct v4l2_audio *a) | |
1252 | { | |
1253 | struct au0828_fh *fh = priv; | |
1254 | struct au0828_dev *dev = fh->dev; | |
1255 | if(a->index != dev->ctrl_ainput) | |
1256 | return -EINVAL; | |
1257 | return 0; | |
1258 | } | |
1259 | ||
1260 | static int vidioc_g_ctrl(struct file *file, void *priv, | |
1261 | struct v4l2_control *ctrl) | |
1262 | { | |
1263 | struct au0828_fh *fh = priv; | |
1264 | struct au0828_dev *dev = fh->dev; | |
1265 | ||
1266 | au0828_call_i2c_clients(dev, VIDIOC_G_CTRL, ctrl); | |
1267 | return 0; | |
1268 | ||
1269 | } | |
1270 | ||
1271 | static int vidioc_s_ctrl(struct file *file, void *priv, | |
1272 | struct v4l2_control *ctrl) | |
1273 | { | |
1274 | struct au0828_fh *fh = priv; | |
1275 | struct au0828_dev *dev = fh->dev; | |
1276 | au0828_call_i2c_clients(dev, VIDIOC_S_CTRL, ctrl); | |
1277 | return 0; | |
1278 | } | |
1279 | ||
1280 | static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) | |
1281 | { | |
1282 | struct au0828_fh *fh = priv; | |
1283 | struct au0828_dev *dev = fh->dev; | |
1284 | ||
1285 | if(t->index != 0) | |
1286 | return -EINVAL; | |
1287 | ||
1288 | memset(t, 0, sizeof(*t)); | |
1289 | strcpy(t->name, "Auvitek tuner"); | |
1290 | ||
1291 | au0828_call_i2c_clients(dev, VIDIOC_G_TUNER, t); | |
1292 | return 0; | |
1293 | } | |
1294 | ||
1295 | static int vidioc_s_tuner(struct file *file, void *priv, | |
1296 | struct v4l2_tuner *t) | |
1297 | { | |
1298 | struct au0828_fh *fh = priv; | |
1299 | struct au0828_dev *dev = fh->dev; | |
1300 | ||
1301 | if(t->index != 0) | |
1302 | return -EINVAL; | |
1303 | ||
1304 | t->type = V4L2_TUNER_ANALOG_TV; | |
1305 | au0828_call_i2c_clients(dev, VIDIOC_S_TUNER, t); | |
1306 | dprintk(1, "VIDIOC_S_TUNER: signal = %x, afc = %x\n", t->signal, | |
1307 | t->afc); | |
1308 | return 0; | |
1309 | ||
1310 | } | |
1311 | ||
1312 | static int vidioc_g_frequency(struct file *file, void *priv, | |
1313 | struct v4l2_frequency *freq) | |
1314 | { | |
1315 | struct au0828_fh *fh = priv; | |
1316 | struct au0828_dev *dev = fh->dev; | |
1317 | memset(freq, 0, sizeof(*freq)); | |
1318 | freq->type = V4L2_TUNER_ANALOG_TV; | |
1319 | freq->frequency = dev->ctrl_freq; | |
1320 | return 0; | |
1321 | } | |
1322 | ||
1323 | static int vidioc_s_frequency(struct file *file, void *priv, | |
1324 | struct v4l2_frequency *freq) | |
1325 | { | |
1326 | struct au0828_fh *fh = priv; | |
1327 | struct au0828_dev *dev = fh->dev; | |
1328 | ||
1329 | if(freq->tuner != 0) | |
1330 | return -EINVAL; | |
1331 | if(freq->type != V4L2_TUNER_ANALOG_TV) | |
1332 | return -EINVAL; | |
1333 | ||
1334 | dev->ctrl_freq = freq->frequency; | |
1335 | ||
1336 | au0828_call_i2c_clients(dev, VIDIOC_S_FREQUENCY, freq); | |
1337 | ||
1338 | au0828_analog_stream_reset(dev); | |
1339 | ||
1340 | return 0; | |
1341 | } | |
1342 | ||
1343 | static int vidioc_g_chip_ident(struct file *file, void *priv, | |
1344 | struct v4l2_dbg_chip_ident *chip) | |
1345 | { | |
1346 | struct au0828_fh *fh = priv; | |
1347 | struct au0828_dev *dev = fh->dev; | |
1348 | chip->ident = V4L2_IDENT_NONE; | |
1349 | chip->revision = 0; | |
1350 | ||
d9109bef DH |
1351 | if (v4l2_chip_match_host(&chip->match)) { |
1352 | chip->ident = V4L2_IDENT_AU0828; | |
1353 | return 0; | |
1354 | } | |
1355 | ||
8b2f0795 | 1356 | au0828_call_i2c_clients(dev, VIDIOC_DBG_G_CHIP_IDENT, chip); |
d9109bef DH |
1357 | if (chip->ident == V4L2_IDENT_NONE) |
1358 | return -EINVAL; | |
1359 | ||
8b2f0795 DH |
1360 | return 0; |
1361 | } | |
1362 | ||
1363 | static int vidioc_cropcap(struct file *file, void *priv, | |
1364 | struct v4l2_cropcap *cc) | |
1365 | { | |
1366 | struct au0828_fh *fh = priv; | |
1367 | struct au0828_dev *dev = fh->dev; | |
1368 | ||
1369 | if(cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1370 | return -EINVAL; | |
1371 | ||
1372 | cc->bounds.left = 0; | |
1373 | cc->bounds.top = 0; | |
1374 | cc->bounds.width = dev->width; | |
1375 | cc->bounds.height = dev->height; | |
1376 | ||
1377 | cc->defrect = cc->bounds; | |
1378 | ||
1379 | cc->pixelaspect.numerator = 54; | |
1380 | cc->pixelaspect.denominator = 59; | |
1381 | ||
1382 | return 0; | |
1383 | } | |
1384 | ||
1385 | static int vidioc_streamon(struct file *file, void *priv, | |
1386 | enum v4l2_buf_type type) | |
1387 | { | |
1388 | struct au0828_fh *fh = priv; | |
1389 | struct au0828_dev *dev = fh->dev; | |
1390 | int b = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
1391 | int rc; | |
1392 | ||
1393 | rc = check_dev(dev); | |
1394 | if (rc < 0) | |
1395 | return rc; | |
1396 | ||
1397 | if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { | |
1398 | au0828_analog_stream_enable(dev); | |
1399 | au0828_call_i2c_clients(dev, VIDIOC_STREAMON, &b); | |
1400 | } | |
1401 | ||
1402 | mutex_lock(&dev->lock); | |
1403 | rc = res_get(fh); | |
1404 | ||
1405 | if (likely(rc >= 0)) | |
1406 | rc = videobuf_streamon(&fh->vb_vidq); | |
1407 | mutex_unlock(&dev->lock); | |
1408 | ||
1409 | return rc; | |
1410 | } | |
1411 | ||
1412 | static int vidioc_streamoff(struct file *file, void *priv, | |
1413 | enum v4l2_buf_type type) | |
1414 | { | |
1415 | struct au0828_fh *fh = priv; | |
1416 | struct au0828_dev *dev = fh->dev; | |
1417 | int b = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
1418 | int i; | |
1419 | int ret; | |
1420 | int rc; | |
1421 | ||
1422 | rc = check_dev(dev); | |
1423 | if (rc < 0) | |
1424 | return rc; | |
1425 | ||
1426 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1427 | return -EINVAL; | |
1428 | if (type != fh->type) | |
1429 | return -EINVAL; | |
1430 | ||
1431 | if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { | |
1432 | au0828_call_i2c_clients(dev, VIDIOC_STREAMOFF, &b); | |
1433 | if((ret = au0828_stream_interrupt(dev)) != 0) | |
1434 | return ret; | |
1435 | } | |
1436 | ||
1437 | for (i = 0; i < AU0828_MAX_INPUT; i++) { | |
f1add5b5 | 1438 | if (AUVI_INPUT(i).audio_setup == NULL) { |
8b2f0795 DH |
1439 | continue; |
1440 | } | |
f1add5b5 | 1441 | (AUVI_INPUT(i).audio_setup)(dev, 0); |
8b2f0795 DH |
1442 | } |
1443 | ||
1444 | mutex_lock(&dev->lock); | |
1445 | videobuf_streamoff(&fh->vb_vidq); | |
1446 | res_free(fh); | |
1447 | mutex_unlock(&dev->lock); | |
1448 | ||
1449 | return 0; | |
1450 | } | |
1451 | ||
1452 | static int vidioc_g_register(struct file *file, void *priv, | |
1453 | struct v4l2_dbg_register *reg) | |
1454 | { | |
1455 | struct au0828_fh *fh = priv; | |
1456 | struct au0828_dev *dev = fh->dev; | |
1457 | ||
1458 | switch (reg->match.type) { | |
1459 | case V4L2_CHIP_MATCH_I2C_DRIVER: | |
1460 | au0828_call_i2c_clients(dev, VIDIOC_DBG_G_REGISTER, reg); | |
1461 | return 0; | |
1462 | default: | |
1463 | return -EINVAL; | |
1464 | } | |
1465 | } | |
1466 | ||
1467 | static int vidioc_s_register(struct file *file, void *priv, | |
1468 | struct v4l2_dbg_register *reg) | |
1469 | { | |
1470 | struct au0828_fh *fh = priv; | |
1471 | struct au0828_dev *dev = fh->dev; | |
1472 | ||
1473 | switch (reg->match.type) { | |
1474 | case V4L2_CHIP_MATCH_I2C_DRIVER: | |
1475 | au0828_call_i2c_clients(dev, VIDIOC_DBG_S_REGISTER, reg); | |
1476 | return 0; | |
1477 | default: | |
1478 | return -EINVAL; | |
1479 | } | |
1480 | return 0; | |
1481 | } | |
1482 | ||
1483 | static int vidioc_reqbufs(struct file *file, void *priv, | |
1484 | struct v4l2_requestbuffers *rb) | |
1485 | { | |
1486 | struct au0828_fh *fh = priv; | |
1487 | struct au0828_dev *dev = fh->dev; | |
1488 | int rc; | |
1489 | ||
1490 | rc = check_dev(dev); | |
1491 | if (rc < 0) | |
1492 | return rc; | |
1493 | ||
1494 | return videobuf_reqbufs(&fh->vb_vidq, rb); | |
1495 | } | |
1496 | ||
1497 | static int vidioc_querybuf(struct file *file, void *priv, | |
1498 | struct v4l2_buffer *b) | |
1499 | { | |
1500 | struct au0828_fh *fh = priv; | |
1501 | struct au0828_dev *dev = fh->dev; | |
1502 | int rc; | |
1503 | ||
1504 | rc = check_dev(dev); | |
1505 | if (rc < 0) | |
1506 | return rc; | |
1507 | ||
1508 | return videobuf_querybuf(&fh->vb_vidq, b); | |
1509 | } | |
1510 | ||
1511 | static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b) | |
1512 | { | |
1513 | struct au0828_fh *fh = priv; | |
1514 | struct au0828_dev *dev = fh->dev; | |
1515 | int rc; | |
1516 | ||
1517 | rc = check_dev(dev); | |
1518 | if (rc < 0) | |
1519 | return rc; | |
1520 | ||
1521 | return videobuf_qbuf(&fh->vb_vidq, b); | |
1522 | } | |
1523 | ||
1524 | static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) | |
1525 | { | |
1526 | struct au0828_fh *fh = priv; | |
1527 | struct au0828_dev *dev = fh->dev; | |
1528 | int rc; | |
1529 | ||
1530 | rc = check_dev(dev); | |
1531 | if (rc < 0) | |
1532 | return rc; | |
1533 | ||
1534 | /* Workaround for a bug in the au0828 hardware design that sometimes | |
1535 | results in the colorspace being inverted */ | |
1536 | if (dev->greenscreen_detected == 1) { | |
1537 | dprintk(1, "Detected green frame. Resetting stream...\n"); | |
1538 | au0828_analog_stream_reset(dev); | |
1539 | dev->greenscreen_detected = 0; | |
1540 | } | |
1541 | ||
1542 | return videobuf_dqbuf(&fh->vb_vidq, b, file->f_flags & O_NONBLOCK); | |
1543 | } | |
1544 | ||
1545 | #ifdef CONFIG_VIDEO_V4L1_COMPAT | |
1546 | static int vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf) | |
1547 | { | |
1548 | struct au0828_fh *fh = priv; | |
1549 | ||
1550 | return videobuf_cgmbuf(&fh->vb_vidq, mbuf, 8); | |
1551 | } | |
1552 | #endif | |
1553 | ||
1554 | static struct v4l2_file_operations au0828_v4l_fops = { | |
1555 | .owner = THIS_MODULE, | |
1556 | .open = au0828_v4l2_open, | |
1557 | .release = au0828_v4l2_close, | |
1558 | .read = au0828_v4l2_read, | |
1559 | .poll = au0828_v4l2_poll, | |
1560 | .mmap = au0828_v4l2_mmap, | |
1561 | .ioctl = video_ioctl2, | |
1562 | }; | |
1563 | ||
1564 | static const struct v4l2_ioctl_ops video_ioctl_ops = { | |
1565 | .vidioc_querycap = vidioc_querycap, | |
1566 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, | |
1567 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
1568 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, | |
1569 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, | |
5a5a4e16 DH |
1570 | #ifdef VBI_NOT_YET_WORKING |
1571 | .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, | |
1572 | .vidioc_try_fmt_vbi_cap = vidioc_s_fmt_vbi_cap, | |
1573 | .vidioc_s_fmt_vbi_cap = vidioc_s_fmt_vbi_cap, | |
1574 | #endif | |
8b2f0795 DH |
1575 | .vidioc_g_audio = vidioc_g_audio, |
1576 | .vidioc_s_audio = vidioc_s_audio, | |
1577 | .vidioc_cropcap = vidioc_cropcap, | |
5a5a4e16 | 1578 | #ifdef VBI_NOT_YET_WORKING |
8b2f0795 DH |
1579 | .vidioc_g_fmt_sliced_vbi_cap = vidioc_g_fmt_sliced_vbi_cap, |
1580 | .vidioc_try_fmt_sliced_vbi_cap = vidioc_try_set_sliced_vbi_cap, | |
1581 | .vidioc_s_fmt_sliced_vbi_cap = vidioc_try_set_sliced_vbi_cap, | |
1582 | #endif | |
1583 | .vidioc_reqbufs = vidioc_reqbufs, | |
1584 | .vidioc_querybuf = vidioc_querybuf, | |
1585 | .vidioc_qbuf = vidioc_qbuf, | |
1586 | .vidioc_dqbuf = vidioc_dqbuf, | |
1587 | .vidioc_s_std = vidioc_s_std, | |
1588 | .vidioc_enum_input = vidioc_enum_input, | |
1589 | .vidioc_g_input = vidioc_g_input, | |
1590 | .vidioc_s_input = vidioc_s_input, | |
1591 | .vidioc_queryctrl = vidioc_queryctrl, | |
1592 | .vidioc_g_ctrl = vidioc_g_ctrl, | |
1593 | .vidioc_s_ctrl = vidioc_s_ctrl, | |
1594 | .vidioc_streamon = vidioc_streamon, | |
1595 | .vidioc_streamoff = vidioc_streamoff, | |
1596 | .vidioc_g_tuner = vidioc_g_tuner, | |
1597 | .vidioc_s_tuner = vidioc_s_tuner, | |
1598 | .vidioc_g_frequency = vidioc_g_frequency, | |
1599 | .vidioc_s_frequency = vidioc_s_frequency, | |
1600 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
1601 | .vidioc_g_register = vidioc_g_register, | |
1602 | .vidioc_s_register = vidioc_s_register, | |
1603 | .vidioc_g_chip_ident = vidioc_g_chip_ident, | |
1604 | #endif | |
1605 | #ifdef CONFIG_VIDEO_V4L1_COMPAT | |
1606 | .vidiocgmbuf = vidiocgmbuf, | |
1607 | #endif | |
1608 | }; | |
1609 | ||
1610 | static const struct video_device au0828_video_template = { | |
1611 | .fops = &au0828_v4l_fops, | |
1612 | .release = video_device_release, | |
1613 | .ioctl_ops = &video_ioctl_ops, | |
1614 | .minor = -1, | |
0ef21071 DH |
1615 | .tvnorms = V4L2_STD_NTSC_M, |
1616 | .current_norm = V4L2_STD_NTSC_M, | |
8b2f0795 DH |
1617 | }; |
1618 | ||
1619 | /**************************************************************************/ | |
1620 | ||
fc4ce6cd DH |
1621 | int au0828_analog_register(struct au0828_dev *dev, |
1622 | struct usb_interface *interface) | |
8b2f0795 DH |
1623 | { |
1624 | int retval = -ENOMEM; | |
fc4ce6cd DH |
1625 | struct usb_host_interface *iface_desc; |
1626 | struct usb_endpoint_descriptor *endpoint; | |
1627 | int i; | |
8b2f0795 DH |
1628 | |
1629 | dprintk(1, "au0828_analog_register called!\n"); | |
1630 | ||
fc4ce6cd DH |
1631 | /* set au0828 usb interface0 to as5 */ |
1632 | retval = usb_set_interface(dev->usbdev, | |
1633 | interface->cur_altsetting->desc.bInterfaceNumber, 5); | |
1634 | if (retval != 0) { | |
1635 | printk("Failure setting usb interface0 to as5\n"); | |
1636 | return retval; | |
1637 | } | |
1638 | ||
1639 | /* Figure out which endpoint has the isoc interface */ | |
1640 | iface_desc = interface->cur_altsetting; | |
1641 | for(i = 0; i < iface_desc->desc.bNumEndpoints; i++){ | |
1642 | endpoint = &iface_desc->endpoint[i].desc; | |
1643 | if(((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) && | |
1644 | ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_ISOC)){ | |
1645 | ||
1646 | /* we find our isoc in endpoint */ | |
1647 | u16 tmp = le16_to_cpu(endpoint->wMaxPacketSize); | |
1648 | dev->max_pkt_size = (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1); | |
1649 | dev->isoc_in_endpointaddr = endpoint->bEndpointAddress; | |
1650 | } | |
1651 | } | |
1652 | if(!(dev->isoc_in_endpointaddr)) { | |
1653 | printk("Could not locate isoc endpoint\n"); | |
1654 | kfree(dev); | |
1655 | return -ENODEV; | |
1656 | } | |
1657 | ||
8b2f0795 DH |
1658 | init_waitqueue_head(&dev->open); |
1659 | spin_lock_init(&dev->slock); | |
1660 | mutex_init(&dev->lock); | |
1661 | ||
1662 | INIT_LIST_HEAD(&dev->vidq.active); | |
1663 | INIT_LIST_HEAD(&dev->vidq.queued); | |
1664 | ||
1665 | dev->width = NTSC_STD_W; | |
1666 | dev->height = NTSC_STD_H; | |
1667 | dev->field_size = dev->width * dev->height; | |
1668 | dev->frame_size = dev->field_size << 1; | |
1669 | dev->bytesperline = dev->width << 1; | |
1670 | dev->ctrl_ainput = 0; | |
1671 | ||
1672 | /* allocate and fill v4l2 video struct */ | |
1673 | dev->vdev = video_device_alloc(); | |
1674 | if(NULL == dev->vdev) { | |
1675 | dprintk(1, "Can't allocate video_device.\n"); | |
1676 | return -ENOMEM; | |
1677 | } | |
1678 | ||
5a5a4e16 | 1679 | #ifdef VBI_NOT_YET_WORKING |
8b2f0795 DH |
1680 | dev->vbi_dev = video_device_alloc(); |
1681 | if(NULL == dev->vbi_dev) { | |
1682 | dprintk(1, "Can't allocate vbi_device.\n"); | |
1683 | kfree(dev->vdev); | |
1684 | return -ENOMEM; | |
1685 | } | |
5a5a4e16 | 1686 | #endif |
8b2f0795 DH |
1687 | |
1688 | /* Fill the video capture device struct */ | |
1689 | *dev->vdev = au0828_video_template; | |
1690 | dev->vdev->vfl_type = VID_TYPE_CAPTURE | VID_TYPE_TUNER; | |
1691 | dev->vdev->parent = &dev->usbdev->dev; | |
1692 | strcpy(dev->vdev->name, "au0828a video"); | |
1693 | ||
5a5a4e16 | 1694 | #ifdef VBI_NOT_YET_WORKING |
8b2f0795 DH |
1695 | /* Setup the VBI device */ |
1696 | *dev->vbi_dev = au0828_video_template; | |
1697 | dev->vbi_dev->vfl_type = VFL_TYPE_VBI; | |
1698 | dev->vbi_dev->parent = &dev->usbdev->dev; | |
1699 | strcpy(dev->vbi_dev->name, "au0828a vbi"); | |
5a5a4e16 | 1700 | #endif |
8b2f0795 DH |
1701 | |
1702 | list_add_tail(&dev->au0828list, &au0828_devlist); | |
1703 | ||
1704 | /* Register the v4l2 device */ | |
1705 | if((retval = video_register_device(dev->vdev, VFL_TYPE_GRABBER, -1)) != 0) { | |
1706 | dprintk(1, "unable to register video device (error = %d).\n", retval); | |
1707 | list_del(&dev->au0828list); | |
1708 | video_device_release(dev->vdev); | |
1709 | return -ENODEV; | |
1710 | } | |
1711 | ||
5a5a4e16 | 1712 | #ifdef VBI_NOT_YET_WORKING |
8b2f0795 DH |
1713 | /* Register the vbi device */ |
1714 | if((retval = video_register_device(dev->vbi_dev, VFL_TYPE_VBI, -1)) != 0) { | |
1715 | dprintk(1, "unable to register vbi device (error = %d).\n", retval); | |
1716 | list_del(&dev->au0828list); | |
1717 | video_device_release(dev->vbi_dev); | |
1718 | video_device_release(dev->vdev); | |
1719 | return -ENODEV; | |
1720 | } | |
5a5a4e16 | 1721 | #endif |
8b2f0795 DH |
1722 | |
1723 | dprintk(1, "%s completed!\n", __FUNCTION__); | |
1724 | ||
1725 | return 0; | |
1726 | } | |
1727 |