Commit | Line | Data |
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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 | ||
43 | static LIST_HEAD(au0828_devlist); | |
44 | static DEFINE_MUTEX(au0828_sysfs_lock); | |
45 | ||
46 | #define AU0828_VERSION_CODE KERNEL_VERSION(0, 0, 1) | |
47 | ||
8b2f0795 DH |
48 | /* ------------------------------------------------------------------ |
49 | Videobuf operations | |
50 | ------------------------------------------------------------------*/ | |
51 | ||
52 | static unsigned int isoc_debug; | |
53 | module_param(isoc_debug, int, 0644); | |
54 | MODULE_PARM_DESC(isoc_debug, "enable debug messages [isoc transfers]"); | |
55 | ||
56 | #define au0828_isocdbg(fmt, arg...) \ | |
57 | do {\ | |
58 | if (isoc_debug) { \ | |
59 | printk(KERN_INFO "au0828 %s :"fmt, \ | |
60 | __func__ , ##arg); \ | |
61 | } \ | |
62 | } while (0) | |
63 | ||
64 | static inline void print_err_status(struct au0828_dev *dev, | |
65 | int packet, int status) | |
66 | { | |
67 | char *errmsg = "Unknown"; | |
68 | ||
69 | switch (status) { | |
70 | case -ENOENT: | |
71 | errmsg = "unlinked synchronuously"; | |
72 | break; | |
73 | case -ECONNRESET: | |
74 | errmsg = "unlinked asynchronuously"; | |
75 | break; | |
76 | case -ENOSR: | |
77 | errmsg = "Buffer error (overrun)"; | |
78 | break; | |
79 | case -EPIPE: | |
80 | errmsg = "Stalled (device not responding)"; | |
81 | break; | |
82 | case -EOVERFLOW: | |
83 | errmsg = "Babble (bad cable?)"; | |
84 | break; | |
85 | case -EPROTO: | |
86 | errmsg = "Bit-stuff error (bad cable?)"; | |
87 | break; | |
88 | case -EILSEQ: | |
89 | errmsg = "CRC/Timeout (could be anything)"; | |
90 | break; | |
91 | case -ETIME: | |
92 | errmsg = "Device does not respond"; | |
93 | break; | |
94 | } | |
95 | if (packet < 0) { | |
96 | au0828_isocdbg("URB status %d [%s].\n", status, errmsg); | |
97 | } else { | |
98 | au0828_isocdbg("URB packet %d, status %d [%s].\n", | |
99 | packet, status, errmsg); | |
100 | } | |
101 | } | |
102 | ||
103 | static int check_dev(struct au0828_dev *dev) | |
104 | { | |
105 | if (dev->dev_state & DEV_DISCONNECTED) { | |
62899a28 | 106 | printk(KERN_INFO "v4l2 ioctl: device not present\n"); |
8b2f0795 DH |
107 | return -ENODEV; |
108 | } | |
109 | ||
110 | if (dev->dev_state & DEV_MISCONFIGURED) { | |
62899a28 | 111 | printk(KERN_INFO "v4l2 ioctl: device is misconfigured; " |
8b2f0795 DH |
112 | "close and open it again\n"); |
113 | return -EIO; | |
114 | } | |
115 | return 0; | |
116 | } | |
117 | ||
118 | /* | |
119 | * IRQ callback, called by URB callback | |
120 | */ | |
121 | static void au0828_irq_callback(struct urb *urb) | |
122 | { | |
123 | struct au0828_dmaqueue *dma_q = urb->context; | |
124 | struct au0828_dev *dev = container_of(dma_q, struct au0828_dev, vidq); | |
125 | int rc, i; | |
126 | ||
127 | switch (urb->status) { | |
128 | case 0: /* success */ | |
129 | case -ETIMEDOUT: /* NAK */ | |
130 | break; | |
131 | case -ECONNRESET: /* kill */ | |
132 | case -ENOENT: | |
133 | case -ESHUTDOWN: | |
134 | au0828_isocdbg("au0828_irq_callback called: status kill\n"); | |
135 | return; | |
136 | default: /* unknown error */ | |
137 | au0828_isocdbg("urb completition error %d.\n", urb->status); | |
138 | break; | |
139 | } | |
140 | ||
141 | /* Copy data from URB */ | |
142 | spin_lock(&dev->slock); | |
143 | rc = dev->isoc_ctl.isoc_copy(dev, urb); | |
144 | spin_unlock(&dev->slock); | |
145 | ||
146 | /* Reset urb buffers */ | |
147 | for (i = 0; i < urb->number_of_packets; i++) { | |
148 | urb->iso_frame_desc[i].status = 0; | |
149 | urb->iso_frame_desc[i].actual_length = 0; | |
150 | } | |
151 | urb->status = 0; | |
152 | ||
153 | urb->status = usb_submit_urb(urb, GFP_ATOMIC); | |
154 | if (urb->status) { | |
155 | au0828_isocdbg("urb resubmit failed (error=%i)\n", | |
156 | urb->status); | |
157 | } | |
158 | } | |
159 | ||
160 | /* | |
161 | * Stop and Deallocate URBs | |
162 | */ | |
163 | void au0828_uninit_isoc(struct au0828_dev *dev) | |
164 | { | |
165 | struct urb *urb; | |
166 | int i; | |
167 | ||
168 | au0828_isocdbg("au0828: called au0828_uninit_isoc\n"); | |
169 | ||
170 | dev->isoc_ctl.nfields = -1; | |
171 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
172 | urb = dev->isoc_ctl.urb[i]; | |
173 | if (urb) { | |
174 | if (!irqs_disabled()) | |
175 | usb_kill_urb(urb); | |
176 | else | |
177 | usb_unlink_urb(urb); | |
178 | ||
179 | if (dev->isoc_ctl.transfer_buffer[i]) { | |
180 | usb_buffer_free(dev->usbdev, | |
181 | urb->transfer_buffer_length, | |
182 | dev->isoc_ctl.transfer_buffer[i], | |
183 | urb->transfer_dma); | |
184 | } | |
185 | usb_free_urb(urb); | |
186 | dev->isoc_ctl.urb[i] = NULL; | |
187 | } | |
188 | dev->isoc_ctl.transfer_buffer[i] = NULL; | |
189 | } | |
190 | ||
191 | kfree(dev->isoc_ctl.urb); | |
192 | kfree(dev->isoc_ctl.transfer_buffer); | |
193 | ||
194 | dev->isoc_ctl.urb = NULL; | |
195 | dev->isoc_ctl.transfer_buffer = NULL; | |
196 | dev->isoc_ctl.num_bufs = 0; | |
197 | } | |
198 | ||
199 | /* | |
200 | * Allocate URBs and start IRQ | |
201 | */ | |
202 | int au0828_init_isoc(struct au0828_dev *dev, int max_packets, | |
203 | int num_bufs, int max_pkt_size, | |
204 | int (*isoc_copy) (struct au0828_dev *dev, struct urb *urb)) | |
205 | { | |
206 | struct au0828_dmaqueue *dma_q = &dev->vidq; | |
207 | int i; | |
208 | int sb_size, pipe; | |
209 | struct urb *urb; | |
210 | int j, k; | |
211 | int rc; | |
212 | ||
213 | au0828_isocdbg("au0828: called au0828_prepare_isoc\n"); | |
214 | ||
215 | /* De-allocates all pending stuff */ | |
216 | au0828_uninit_isoc(dev); | |
217 | ||
218 | dev->isoc_ctl.isoc_copy = isoc_copy; | |
219 | dev->isoc_ctl.num_bufs = num_bufs; | |
220 | ||
221 | dev->isoc_ctl.urb = kzalloc(sizeof(void *)*num_bufs, GFP_KERNEL); | |
222 | if (!dev->isoc_ctl.urb) { | |
223 | au0828_isocdbg("cannot alloc memory for usb buffers\n"); | |
224 | return -ENOMEM; | |
225 | } | |
226 | ||
227 | dev->isoc_ctl.transfer_buffer = kzalloc(sizeof(void *)*num_bufs, | |
228 | GFP_KERNEL); | |
229 | if (!dev->isoc_ctl.transfer_buffer) { | |
230 | au0828_isocdbg("cannot allocate memory for usb transfer\n"); | |
231 | kfree(dev->isoc_ctl.urb); | |
232 | return -ENOMEM; | |
233 | } | |
234 | ||
235 | dev->isoc_ctl.max_pkt_size = max_pkt_size; | |
236 | dev->isoc_ctl.buf = NULL; | |
237 | ||
238 | sb_size = max_packets * dev->isoc_ctl.max_pkt_size; | |
239 | ||
240 | /* allocate urbs and transfer buffers */ | |
241 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
242 | urb = usb_alloc_urb(max_packets, GFP_KERNEL); | |
243 | if (!urb) { | |
244 | au0828_isocdbg("cannot alloc isoc_ctl.urb %i\n", i); | |
245 | au0828_uninit_isoc(dev); | |
246 | return -ENOMEM; | |
247 | } | |
248 | dev->isoc_ctl.urb[i] = urb; | |
249 | ||
250 | dev->isoc_ctl.transfer_buffer[i] = usb_buffer_alloc(dev->usbdev, | |
251 | sb_size, GFP_KERNEL, &urb->transfer_dma); | |
252 | if (!dev->isoc_ctl.transfer_buffer[i]) { | |
253 | printk("unable to allocate %i bytes for transfer" | |
254 | " buffer %i%s\n", | |
255 | sb_size, i, | |
256 | in_interrupt() ? " while in int" : ""); | |
257 | au0828_uninit_isoc(dev); | |
258 | return -ENOMEM; | |
259 | } | |
260 | memset(dev->isoc_ctl.transfer_buffer[i], 0, sb_size); | |
261 | ||
262 | pipe = usb_rcvisocpipe(dev->usbdev, | |
263 | dev->isoc_in_endpointaddr), | |
264 | ||
265 | usb_fill_int_urb(urb, dev->usbdev, pipe, | |
266 | dev->isoc_ctl.transfer_buffer[i], sb_size, | |
267 | au0828_irq_callback, dma_q, 1); | |
268 | ||
269 | urb->number_of_packets = max_packets; | |
270 | urb->transfer_flags = URB_ISO_ASAP; | |
271 | ||
272 | k = 0; | |
273 | for (j = 0; j < max_packets; j++) { | |
274 | urb->iso_frame_desc[j].offset = k; | |
275 | urb->iso_frame_desc[j].length = | |
276 | dev->isoc_ctl.max_pkt_size; | |
277 | k += dev->isoc_ctl.max_pkt_size; | |
278 | } | |
279 | } | |
280 | ||
281 | init_waitqueue_head(&dma_q->wq); | |
282 | ||
283 | /* submit urbs and enables IRQ */ | |
284 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
285 | rc = usb_submit_urb(dev->isoc_ctl.urb[i], GFP_ATOMIC); | |
286 | if (rc) { | |
287 | au0828_isocdbg("submit of urb %i failed (error=%i)\n", | |
288 | i, rc); | |
289 | au0828_uninit_isoc(dev); | |
290 | return rc; | |
291 | } | |
292 | } | |
293 | ||
294 | return 0; | |
295 | } | |
296 | ||
297 | /* | |
298 | * Announces that a buffer were filled and request the next | |
299 | */ | |
300 | static inline void buffer_filled(struct au0828_dev *dev, | |
301 | struct au0828_dmaqueue *dma_q, | |
302 | struct au0828_buffer *buf) | |
303 | { | |
304 | /* Advice that buffer was filled */ | |
305 | au0828_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i); | |
306 | ||
307 | buf->vb.state = VIDEOBUF_DONE; | |
308 | buf->vb.field_count++; | |
309 | do_gettimeofday(&buf->vb.ts); | |
310 | ||
311 | dev->isoc_ctl.buf = NULL; | |
312 | ||
313 | list_del(&buf->vb.queue); | |
314 | wake_up(&buf->vb.done); | |
315 | } | |
316 | ||
317 | /* | |
318 | * Identify the buffer header type and properly handles | |
319 | */ | |
320 | static void au0828_copy_video(struct au0828_dev *dev, | |
321 | struct au0828_dmaqueue *dma_q, | |
322 | struct au0828_buffer *buf, | |
323 | unsigned char *p, | |
324 | unsigned char *outp, unsigned long len) | |
325 | { | |
326 | void *fieldstart, *startwrite, *startread; | |
327 | int linesdone, currlinedone, offset, lencopy, remain; | |
328 | int bytesperline = dev->width << 1; /* Assumes 16-bit depth @@@@ */ | |
329 | ||
330 | if (dma_q->pos + len > buf->vb.size) | |
331 | len = buf->vb.size - dma_q->pos; | |
332 | ||
333 | startread = p; | |
334 | remain = len; | |
335 | ||
336 | /* Interlaces frame */ | |
337 | if (buf->top_field) | |
338 | fieldstart = outp; | |
339 | else | |
340 | fieldstart = outp + bytesperline; | |
341 | ||
342 | linesdone = dma_q->pos / bytesperline; | |
343 | currlinedone = dma_q->pos % bytesperline; | |
344 | offset = linesdone * bytesperline * 2 + currlinedone; | |
345 | startwrite = fieldstart + offset; | |
346 | lencopy = bytesperline - currlinedone; | |
347 | lencopy = lencopy > remain ? remain : lencopy; | |
348 | ||
349 | if ((char *)startwrite + lencopy > (char *)outp + buf->vb.size) { | |
350 | au0828_isocdbg("Overflow of %zi bytes past buffer end (1)\n", | |
351 | ((char *)startwrite + lencopy) - | |
352 | ((char *)outp + buf->vb.size)); | |
353 | remain = (char *)outp + buf->vb.size - (char *)startwrite; | |
354 | lencopy = remain; | |
355 | } | |
356 | if (lencopy <= 0) | |
357 | return; | |
358 | memcpy(startwrite, startread, lencopy); | |
359 | ||
360 | remain -= lencopy; | |
361 | ||
362 | while (remain > 0) { | |
363 | startwrite += lencopy + bytesperline; | |
364 | startread += lencopy; | |
365 | if (bytesperline > remain) | |
366 | lencopy = remain; | |
367 | else | |
368 | lencopy = bytesperline; | |
369 | ||
370 | if ((char *)startwrite + lencopy > (char *)outp + | |
371 | buf->vb.size) { | |
62899a28 | 372 | au0828_isocdbg("Overflow %zi bytes past buf end (2)\n", |
8b2f0795 DH |
373 | ((char *)startwrite + lencopy) - |
374 | ((char *)outp + buf->vb.size)); | |
375 | lencopy = remain = (char *)outp + buf->vb.size - | |
376 | (char *)startwrite; | |
377 | } | |
378 | if (lencopy <= 0) | |
379 | break; | |
380 | ||
381 | memcpy(startwrite, startread, lencopy); | |
382 | ||
383 | remain -= lencopy; | |
384 | } | |
385 | ||
386 | if (offset > 1440) { | |
387 | /* We have enough data to check for greenscreen */ | |
62899a28 | 388 | if (outp[0] < 0x60 && outp[1440] < 0x60) |
8b2f0795 | 389 | dev->greenscreen_detected = 1; |
8b2f0795 DH |
390 | } |
391 | ||
392 | dma_q->pos += len; | |
393 | } | |
394 | ||
395 | /* | |
396 | * video-buf generic routine to get the next available buffer | |
397 | */ | |
398 | static inline void get_next_buf(struct au0828_dmaqueue *dma_q, | |
399 | struct au0828_buffer **buf) | |
400 | { | |
401 | struct au0828_dev *dev = container_of(dma_q, struct au0828_dev, vidq); | |
402 | ||
403 | if (list_empty(&dma_q->active)) { | |
404 | au0828_isocdbg("No active queue to serve\n"); | |
405 | dev->isoc_ctl.buf = NULL; | |
406 | *buf = NULL; | |
407 | return; | |
408 | } | |
409 | ||
410 | /* Get the next buffer */ | |
411 | *buf = list_entry(dma_q->active.next, struct au0828_buffer, vb.queue); | |
412 | dev->isoc_ctl.buf = *buf; | |
413 | ||
414 | return; | |
415 | } | |
416 | ||
417 | /* | |
418 | * Controls the isoc copy of each urb packet | |
419 | */ | |
420 | static inline int au0828_isoc_copy(struct au0828_dev *dev, struct urb *urb) | |
421 | { | |
422 | struct au0828_buffer *buf; | |
423 | struct au0828_dmaqueue *dma_q = urb->context; | |
424 | unsigned char *outp = NULL; | |
425 | int i, len = 0, rc = 1; | |
426 | unsigned char *p; | |
427 | unsigned char fbyte; | |
428 | ||
429 | if (!dev) | |
430 | return 0; | |
431 | ||
432 | if ((dev->dev_state & DEV_DISCONNECTED) || | |
433 | (dev->dev_state & DEV_MISCONFIGURED)) | |
434 | return 0; | |
435 | ||
436 | if (urb->status < 0) { | |
437 | print_err_status(dev, -1, urb->status); | |
438 | if (urb->status == -ENOENT) | |
439 | return 0; | |
440 | } | |
441 | ||
442 | buf = dev->isoc_ctl.buf; | |
443 | if (buf != NULL) | |
444 | outp = videobuf_to_vmalloc(&buf->vb); | |
445 | ||
446 | for (i = 0; i < urb->number_of_packets; i++) { | |
447 | int status = urb->iso_frame_desc[i].status; | |
448 | ||
449 | if (status < 0) { | |
450 | print_err_status(dev, i, status); | |
451 | if (urb->iso_frame_desc[i].status != -EPROTO) | |
452 | continue; | |
453 | } | |
454 | ||
62899a28 | 455 | if (urb->iso_frame_desc[i].actual_length <= 0) |
8b2f0795 | 456 | continue; |
62899a28 | 457 | |
8b2f0795 DH |
458 | if (urb->iso_frame_desc[i].actual_length > |
459 | dev->max_pkt_size) { | |
460 | au0828_isocdbg("packet bigger than packet size"); | |
461 | continue; | |
462 | } | |
463 | ||
464 | p = urb->transfer_buffer + urb->iso_frame_desc[i].offset; | |
465 | fbyte = p[0]; | |
466 | len = urb->iso_frame_desc[i].actual_length - 4; | |
467 | p += 4; | |
468 | ||
469 | if (fbyte & 0x80) { | |
470 | len -= 4; | |
471 | p += 4; | |
472 | au0828_isocdbg("Video frame %s\n", | |
473 | (fbyte & 0x40) ? "odd" : "even"); | |
474 | if (!(fbyte & 0x40)) { | |
475 | if (buf != NULL) | |
476 | buffer_filled(dev, dma_q, buf); | |
477 | get_next_buf(dma_q, &buf); | |
62899a28 | 478 | if (buf == NULL) |
8b2f0795 | 479 | outp = NULL; |
62899a28 | 480 | else |
8b2f0795 DH |
481 | outp = videobuf_to_vmalloc(&buf->vb); |
482 | } | |
483 | ||
484 | if (buf != NULL) { | |
62899a28 | 485 | if (fbyte & 0x40) |
8b2f0795 | 486 | buf->top_field = 1; |
62899a28 | 487 | else |
8b2f0795 | 488 | buf->top_field = 0; |
8b2f0795 DH |
489 | } |
490 | ||
491 | dma_q->pos = 0; | |
492 | } | |
62899a28 | 493 | if (buf != NULL) |
8b2f0795 | 494 | au0828_copy_video(dev, dma_q, buf, p, outp, len); |
8b2f0795 DH |
495 | } |
496 | return rc; | |
497 | } | |
498 | ||
499 | static int | |
500 | buffer_setup(struct videobuf_queue *vq, unsigned int *count, | |
501 | unsigned int *size) | |
502 | { | |
503 | struct au0828_fh *fh = vq->priv_data; | |
504 | *size = (fh->dev->width * fh->dev->height * 16 + 7) >> 3; | |
505 | ||
506 | if (0 == *count) | |
507 | *count = AU0828_DEF_BUF; | |
508 | ||
509 | if (*count < AU0828_MIN_BUF) | |
510 | *count = AU0828_MIN_BUF; | |
511 | return 0; | |
512 | } | |
513 | ||
514 | /* This is called *without* dev->slock held; please keep it that way */ | |
515 | static void free_buffer(struct videobuf_queue *vq, struct au0828_buffer *buf) | |
516 | { | |
517 | struct au0828_fh *fh = vq->priv_data; | |
518 | struct au0828_dev *dev = fh->dev; | |
519 | unsigned long flags = 0; | |
520 | if (in_interrupt()) | |
521 | BUG(); | |
522 | ||
523 | /* We used to wait for the buffer to finish here, but this didn't work | |
524 | because, as we were keeping the state as VIDEOBUF_QUEUED, | |
525 | videobuf_queue_cancel marked it as finished for us. | |
526 | (Also, it could wedge forever if the hardware was misconfigured.) | |
527 | ||
528 | This should be safe; by the time we get here, the buffer isn't | |
529 | queued anymore. If we ever start marking the buffers as | |
530 | VIDEOBUF_ACTIVE, it won't be, though. | |
531 | */ | |
532 | spin_lock_irqsave(&dev->slock, flags); | |
533 | if (dev->isoc_ctl.buf == buf) | |
534 | dev->isoc_ctl.buf = NULL; | |
535 | spin_unlock_irqrestore(&dev->slock, flags); | |
536 | ||
537 | videobuf_vmalloc_free(&buf->vb); | |
538 | buf->vb.state = VIDEOBUF_NEEDS_INIT; | |
539 | } | |
540 | ||
541 | static int | |
542 | buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, | |
543 | enum v4l2_field field) | |
544 | { | |
545 | struct au0828_fh *fh = vq->priv_data; | |
546 | struct au0828_buffer *buf = container_of(vb, struct au0828_buffer, vb); | |
547 | struct au0828_dev *dev = fh->dev; | |
548 | int rc = 0, urb_init = 0; | |
549 | ||
550 | buf->vb.size = (fh->dev->width * fh->dev->height * 16 + 7) >> 3; | |
551 | ||
552 | if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) | |
553 | return -EINVAL; | |
554 | ||
555 | buf->vb.width = dev->width; | |
556 | buf->vb.height = dev->height; | |
557 | buf->vb.field = field; | |
558 | ||
559 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { | |
560 | rc = videobuf_iolock(vq, &buf->vb, NULL); | |
561 | if (rc < 0) { | |
62899a28 | 562 | printk(KERN_INFO "videobuf_iolock failed\n"); |
8b2f0795 DH |
563 | goto fail; |
564 | } | |
565 | } | |
566 | ||
567 | if (!dev->isoc_ctl.num_bufs) | |
568 | urb_init = 1; | |
569 | ||
570 | if (urb_init) { | |
571 | rc = au0828_init_isoc(dev, AU0828_ISO_PACKETS_PER_URB, | |
572 | AU0828_MAX_ISO_BUFS, dev->max_pkt_size, | |
573 | au0828_isoc_copy); | |
574 | if (rc < 0) { | |
62899a28 | 575 | printk(KERN_INFO "au0828_init_isoc failed\n"); |
8b2f0795 DH |
576 | goto fail; |
577 | } | |
578 | } | |
579 | ||
580 | buf->vb.state = VIDEOBUF_PREPARED; | |
581 | return 0; | |
582 | ||
583 | fail: | |
584 | free_buffer(vq, buf); | |
585 | return rc; | |
586 | } | |
587 | ||
588 | static void | |
589 | buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) | |
590 | { | |
591 | struct au0828_buffer *buf = container_of(vb, | |
592 | struct au0828_buffer, | |
593 | vb); | |
594 | struct au0828_fh *fh = vq->priv_data; | |
595 | struct au0828_dev *dev = fh->dev; | |
596 | struct au0828_dmaqueue *vidq = &dev->vidq; | |
597 | ||
598 | buf->vb.state = VIDEOBUF_QUEUED; | |
599 | list_add_tail(&buf->vb.queue, &vidq->active); | |
600 | } | |
601 | ||
602 | static void buffer_release(struct videobuf_queue *vq, | |
603 | struct videobuf_buffer *vb) | |
604 | { | |
605 | struct au0828_buffer *buf = container_of(vb, | |
606 | struct au0828_buffer, | |
607 | vb); | |
608 | ||
609 | free_buffer(vq, buf); | |
610 | } | |
611 | ||
612 | static struct videobuf_queue_ops au0828_video_qops = { | |
613 | .buf_setup = buffer_setup, | |
614 | .buf_prepare = buffer_prepare, | |
615 | .buf_queue = buffer_queue, | |
616 | .buf_release = buffer_release, | |
617 | }; | |
618 | ||
619 | /* ------------------------------------------------------------------ | |
620 | V4L2 interface | |
621 | ------------------------------------------------------------------*/ | |
622 | ||
623 | static int au0828_i2s_init(struct au0828_dev *dev) | |
624 | { | |
625 | /* Enable i2s mode */ | |
626 | au0828_writereg(dev, AU0828_AUDIOCTRL_50C, 0x01); | |
627 | return 0; | |
628 | } | |
629 | ||
630 | /* | |
631 | * Auvitek au0828 analog stream enable | |
632 | * Please set interface0 to AS5 before enable the stream | |
633 | */ | |
634 | int au0828_analog_stream_enable(struct au0828_dev *d) | |
635 | { | |
636 | dprintk(1, "au0828_analog_stream_enable called\n"); | |
637 | au0828_writereg(d, AU0828_SENSORCTRL_VBI_103, 0x00); | |
638 | au0828_writereg(d, 0x106, 0x00); | |
639 | /* set x position */ | |
640 | au0828_writereg(d, 0x110, 0x00); | |
641 | au0828_writereg(d, 0x111, 0x00); | |
642 | au0828_writereg(d, 0x114, 0xa0); | |
643 | au0828_writereg(d, 0x115, 0x05); | |
644 | /* set y position */ | |
645 | au0828_writereg(d, 0x112, 0x02); | |
646 | au0828_writereg(d, 0x113, 0x00); | |
647 | au0828_writereg(d, 0x116, 0xf2); | |
648 | au0828_writereg(d, 0x117, 0x00); | |
649 | au0828_writereg(d, AU0828_SENSORCTRL_100, 0xb3); | |
650 | ||
651 | return 0; | |
652 | } | |
653 | ||
654 | int au0828_analog_stream_disable(struct au0828_dev *d) | |
655 | { | |
656 | dprintk(1, "au0828_analog_stream_disable called\n"); | |
657 | au0828_writereg(d, AU0828_SENSORCTRL_100, 0x0); | |
658 | return 0; | |
659 | } | |
660 | ||
661 | void au0828_analog_stream_reset(struct au0828_dev *dev) | |
662 | { | |
663 | dprintk(1, "au0828_analog_stream_reset called\n"); | |
664 | au0828_writereg(dev, AU0828_SENSORCTRL_100, 0x0); | |
665 | mdelay(30); | |
666 | au0828_writereg(dev, AU0828_SENSORCTRL_100, 0xb3); | |
667 | } | |
668 | ||
669 | /* | |
670 | * Some operations needs to stop current streaming | |
671 | */ | |
672 | static int au0828_stream_interrupt(struct au0828_dev *dev) | |
673 | { | |
674 | int ret = 0; | |
675 | ||
676 | dev->stream_state = STREAM_INTERRUPT; | |
62899a28 | 677 | if (dev->dev_state == DEV_DISCONNECTED) |
8b2f0795 | 678 | return -ENODEV; |
62899a28 | 679 | else if (ret) { |
8b2f0795 | 680 | dev->dev_state = DEV_MISCONFIGURED; |
62899a28 | 681 | dprintk(1, "%s device is misconfigured!\n", __func__); |
8b2f0795 DH |
682 | return ret; |
683 | } | |
684 | return 0; | |
685 | } | |
686 | ||
687 | /* | |
688 | * au0828_release_resources | |
689 | * unregister v4l2 devices | |
690 | */ | |
691 | void au0828_analog_unregister(struct au0828_dev *dev) | |
692 | { | |
693 | dprintk(1, "au0828_release_resources called\n"); | |
694 | mutex_lock(&au0828_sysfs_lock); | |
695 | ||
2eaf3960 DH |
696 | if (dev->vdev) { |
697 | list_del(&dev->au0828list); | |
5a5a4e16 | 698 | video_unregister_device(dev->vdev); |
2eaf3960 | 699 | } |
5a5a4e16 DH |
700 | if (dev->vbi_dev) |
701 | video_unregister_device(dev->vbi_dev); | |
8b2f0795 DH |
702 | |
703 | mutex_unlock(&au0828_sysfs_lock); | |
704 | } | |
705 | ||
706 | ||
707 | /* Usage lock check functions */ | |
708 | static int res_get(struct au0828_fh *fh) | |
709 | { | |
710 | struct au0828_dev *dev = fh->dev; | |
711 | int rc = 0; | |
712 | ||
713 | /* This instance already has stream_on */ | |
714 | if (fh->stream_on) | |
715 | return rc; | |
716 | ||
717 | if (dev->stream_on) | |
718 | return -EBUSY; | |
719 | ||
720 | dev->stream_on = 1; | |
721 | fh->stream_on = 1; | |
722 | return rc; | |
723 | } | |
724 | ||
725 | static int res_check(struct au0828_fh *fh) | |
726 | { | |
727 | return fh->stream_on; | |
728 | } | |
729 | ||
730 | static void res_free(struct au0828_fh *fh) | |
731 | { | |
732 | struct au0828_dev *dev = fh->dev; | |
733 | ||
734 | fh->stream_on = 0; | |
735 | dev->stream_on = 0; | |
736 | } | |
737 | ||
738 | static int au0828_v4l2_open(struct file *filp) | |
739 | { | |
740 | int minor = video_devdata(filp)->minor; | |
741 | int ret = 0; | |
742 | struct au0828_dev *h, *dev = NULL; | |
743 | struct au0828_fh *fh; | |
744 | int type = 0; | |
745 | struct list_head *list; | |
746 | ||
747 | list_for_each(list, &au0828_devlist) { | |
748 | h = list_entry(list, struct au0828_dev, au0828list); | |
62899a28 | 749 | if (h->vdev->minor == minor) { |
8b2f0795 DH |
750 | dev = h; |
751 | type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
752 | } | |
dd27ade7 | 753 | #ifdef VBI_IS_WORKING |
62899a28 | 754 | if (h->vbi_dev->minor == minor) { |
8b2f0795 DH |
755 | dev = h; |
756 | type = V4L2_BUF_TYPE_VBI_CAPTURE; | |
757 | } | |
5a5a4e16 | 758 | #endif |
8b2f0795 DH |
759 | } |
760 | ||
62899a28 | 761 | if (NULL == dev) |
8b2f0795 DH |
762 | return -ENODEV; |
763 | ||
764 | fh = kzalloc(sizeof(struct au0828_fh), GFP_KERNEL); | |
62899a28 | 765 | if (NULL == fh) { |
8b2f0795 DH |
766 | dprintk(1, "Failed allocate au0828_fh struct!\n"); |
767 | return -ENOMEM; | |
768 | } | |
769 | ||
770 | fh->type = type; | |
771 | fh->dev = dev; | |
772 | filp->private_data = fh; | |
773 | ||
62899a28 | 774 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->users == 0) { |
8b2f0795 DH |
775 | /* set au0828 interface0 to AS5 here again */ |
776 | ret = usb_set_interface(dev->usbdev, 0, 5); | |
62899a28 DH |
777 | if (ret < 0) { |
778 | printk(KERN_INFO "Au0828 can't set alternate to 5!\n"); | |
8b2f0795 DH |
779 | return -EBUSY; |
780 | } | |
781 | dev->width = NTSC_STD_W; | |
782 | dev->height = NTSC_STD_H; | |
783 | dev->frame_size = dev->width * dev->height * 2; | |
784 | dev->field_size = dev->width * dev->height; | |
785 | dev->bytesperline = dev->width * 2; | |
786 | ||
787 | au0828_analog_stream_enable(dev); | |
788 | au0828_analog_stream_reset(dev); | |
789 | ||
790 | /* If we were doing ac97 instead of i2s, it would go here...*/ | |
791 | au0828_i2s_init(dev); | |
792 | ||
793 | dev->stream_state = STREAM_OFF; | |
794 | dev->dev_state |= DEV_INITIALIZED; | |
795 | } | |
796 | ||
797 | dev->users++; | |
798 | ||
799 | videobuf_queue_vmalloc_init(&fh->vb_vidq, &au0828_video_qops, | |
800 | NULL, &dev->slock, fh->type, | |
801 | V4L2_FIELD_INTERLACED, | |
802 | sizeof(struct au0828_buffer), fh); | |
803 | ||
804 | return ret; | |
805 | } | |
806 | ||
807 | static int au0828_v4l2_close(struct file *filp) | |
808 | { | |
809 | int ret; | |
810 | struct au0828_fh *fh = filp->private_data; | |
811 | struct au0828_dev *dev = fh->dev; | |
812 | ||
813 | mutex_lock(&dev->lock); | |
814 | if (res_check(fh)) | |
815 | res_free(fh); | |
816 | ||
62899a28 | 817 | if (dev->users == 1) { |
8b2f0795 DH |
818 | videobuf_stop(&fh->vb_vidq); |
819 | videobuf_mmap_free(&fh->vb_vidq); | |
820 | ||
62899a28 | 821 | if (dev->dev_state & DEV_DISCONNECTED) { |
8b2f0795 DH |
822 | au0828_analog_unregister(dev); |
823 | mutex_unlock(&dev->lock); | |
824 | kfree(dev); | |
825 | return 0; | |
826 | } | |
827 | ||
828 | au0828_analog_stream_disable(dev); | |
829 | ||
830 | au0828_uninit_isoc(dev); | |
831 | ||
832 | /* When close the device, set the usb intf0 into alt0 to free | |
833 | USB bandwidth */ | |
834 | ret = usb_set_interface(dev->usbdev, 0, 0); | |
62899a28 DH |
835 | if (ret < 0) |
836 | printk(KERN_INFO "Au0828 can't set alternate to 0!\n"); | |
8b2f0795 DH |
837 | } |
838 | ||
839 | kfree(fh); | |
840 | dev->users--; | |
841 | wake_up_interruptible_nr(&dev->open, 1); | |
842 | mutex_unlock(&dev->lock); | |
843 | return 0; | |
844 | } | |
845 | ||
846 | static ssize_t au0828_v4l2_read(struct file *filp, char __user *buf, | |
847 | size_t count, loff_t *pos) | |
848 | { | |
849 | struct au0828_fh *fh = filp->private_data; | |
850 | struct au0828_dev *dev = fh->dev; | |
851 | int rc; | |
852 | ||
853 | rc = check_dev(dev); | |
854 | if (rc < 0) | |
855 | return rc; | |
856 | ||
62899a28 | 857 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
8b2f0795 DH |
858 | mutex_lock(&dev->lock); |
859 | rc = res_get(fh); | |
860 | mutex_unlock(&dev->lock); | |
861 | ||
862 | if (unlikely(rc < 0)) | |
863 | return rc; | |
864 | ||
865 | return videobuf_read_stream(&fh->vb_vidq, buf, count, pos, 0, | |
866 | filp->f_flags & O_NONBLOCK); | |
867 | } | |
868 | return 0; | |
869 | } | |
870 | ||
871 | static unsigned int au0828_v4l2_poll(struct file *filp, poll_table *wait) | |
872 | { | |
873 | struct au0828_fh *fh = filp->private_data; | |
874 | struct au0828_dev *dev = fh->dev; | |
875 | int rc; | |
876 | ||
877 | rc = check_dev(dev); | |
878 | if (rc < 0) | |
879 | return rc; | |
880 | ||
881 | mutex_lock(&dev->lock); | |
882 | rc = res_get(fh); | |
883 | mutex_unlock(&dev->lock); | |
884 | ||
885 | if (unlikely(rc < 0)) | |
886 | return POLLERR; | |
887 | ||
888 | if (V4L2_BUF_TYPE_VIDEO_CAPTURE != fh->type) | |
889 | return POLLERR; | |
890 | ||
891 | return videobuf_poll_stream(filp, &fh->vb_vidq, wait); | |
892 | } | |
893 | ||
894 | static int au0828_v4l2_mmap(struct file *filp, struct vm_area_struct *vma) | |
895 | { | |
896 | struct au0828_fh *fh = filp->private_data; | |
897 | struct au0828_dev *dev = fh->dev; | |
898 | int rc; | |
899 | ||
900 | rc = check_dev(dev); | |
901 | if (rc < 0) | |
902 | return rc; | |
903 | ||
904 | mutex_lock(&dev->lock); | |
905 | rc = res_get(fh); | |
906 | mutex_unlock(&dev->lock); | |
907 | ||
908 | if (unlikely(rc < 0)) | |
909 | return rc; | |
910 | ||
911 | rc = videobuf_mmap_mapper(&fh->vb_vidq, vma); | |
912 | ||
913 | dprintk(2, "vma start=0x%08lx, size=%ld, ret=%d\n", | |
914 | (unsigned long)vma->vm_start, | |
915 | (unsigned long)vma->vm_end-(unsigned long)vma->vm_start, | |
916 | rc); | |
917 | ||
918 | return rc; | |
919 | } | |
920 | ||
921 | static int au0828_set_format(struct au0828_dev *dev, unsigned int cmd, | |
922 | struct v4l2_format *format) | |
923 | { | |
924 | int ret; | |
925 | int width = format->fmt.pix.width; | |
926 | int height = format->fmt.pix.height; | |
927 | unsigned int maxwidth, maxheight; | |
928 | ||
929 | maxwidth = 720; | |
930 | maxheight = 480; | |
931 | ||
dd27ade7 | 932 | #ifdef VBI_IS_WORKING |
62899a28 | 933 | if (format->type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) { |
8b2f0795 DH |
934 | dprintk(1, "VBI format set: to be supported!\n"); |
935 | return 0; | |
936 | } | |
62899a28 | 937 | if (format->type == V4L2_BUF_TYPE_VBI_CAPTURE) |
8b2f0795 | 938 | return 0; |
5a5a4e16 | 939 | #endif |
62899a28 | 940 | if (format->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
8b2f0795 | 941 | return -EINVAL; |
8b2f0795 DH |
942 | |
943 | /* If they are demanding a format other than the one we support, | |
944 | bail out (tvtime asks for UYVY and then retries with YUYV) */ | |
62899a28 | 945 | if (format->fmt.pix.pixelformat != V4L2_PIX_FMT_UYVY) |
8b2f0795 | 946 | return -EINVAL; |
8b2f0795 DH |
947 | |
948 | /* format->fmt.pix.width only support 720 and height 480 */ | |
62899a28 | 949 | if (width != 720) |
8b2f0795 | 950 | width = 720; |
62899a28 | 951 | if (height != 480) |
8b2f0795 DH |
952 | height = 480; |
953 | ||
954 | format->fmt.pix.width = width; | |
955 | format->fmt.pix.height = height; | |
956 | format->fmt.pix.pixelformat = V4L2_PIX_FMT_UYVY; | |
957 | format->fmt.pix.bytesperline = width * 2; | |
958 | format->fmt.pix.sizeimage = width * height * 2; | |
959 | format->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; | |
960 | format->fmt.pix.field = V4L2_FIELD_INTERLACED; | |
961 | ||
62899a28 | 962 | if (cmd == VIDIOC_TRY_FMT) |
8b2f0795 DH |
963 | return 0; |
964 | ||
965 | /* maybe set new image format, driver current only support 720*480 */ | |
966 | dev->width = width; | |
967 | dev->height = height; | |
968 | dev->frame_size = width * height * 2; | |
969 | dev->field_size = width * height; | |
970 | dev->bytesperline = width * 2; | |
971 | ||
62899a28 | 972 | if (dev->stream_state == STREAM_ON) { |
8b2f0795 | 973 | dprintk(1, "VIDIOC_SET_FMT: interrupting stream!\n"); |
62899a28 DH |
974 | ret = au0828_stream_interrupt(dev); |
975 | if (ret != 0) { | |
8b2f0795 DH |
976 | dprintk(1, "error interrupting video stream!\n"); |
977 | return ret; | |
978 | } | |
979 | } | |
980 | ||
981 | /* set au0828 interface0 to AS5 here again */ | |
982 | ret = usb_set_interface(dev->usbdev, 0, 5); | |
62899a28 DH |
983 | if (ret < 0) { |
984 | printk(KERN_INFO "Au0828 can't set alt setting to 5!\n"); | |
8b2f0795 DH |
985 | return -EBUSY; |
986 | } | |
987 | ||
988 | au0828_analog_stream_enable(dev); | |
989 | ||
990 | return 0; | |
991 | } | |
992 | ||
993 | ||
994 | static int vidioc_queryctrl(struct file *file, void *priv, | |
995 | struct v4l2_queryctrl *qc) | |
996 | { | |
997 | struct au0828_fh *fh = priv; | |
998 | struct au0828_dev *dev = fh->dev; | |
999 | au0828_call_i2c_clients(dev, VIDIOC_QUERYCTRL, qc); | |
1000 | if (qc->type) | |
1001 | return 0; | |
1002 | else | |
1003 | return -EINVAL; | |
1004 | } | |
1005 | ||
1006 | static int vidioc_querycap(struct file *file, void *priv, | |
1007 | struct v4l2_capability *cap) | |
1008 | { | |
1009 | struct au0828_fh *fh = priv; | |
1010 | struct au0828_dev *dev = fh->dev; | |
1011 | ||
8b2f0795 | 1012 | strlcpy(cap->driver, "au0828", sizeof(cap->driver)); |
f1add5b5 | 1013 | strlcpy(cap->card, dev->board.name, sizeof(cap->card)); |
b14667f3 | 1014 | strlcpy(cap->bus_info, dev->v4l2_dev.name, sizeof(cap->bus_info)); |
8b2f0795 DH |
1015 | |
1016 | cap->version = AU0828_VERSION_CODE; | |
1017 | ||
1018 | /*set the device capabilities */ | |
5a5a4e16 | 1019 | cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | |
dd27ade7 | 1020 | #ifdef VBI_IS_WORKING |
5a5a4e16 DH |
1021 | V4L2_CAP_VBI_CAPTURE | |
1022 | #endif | |
8b2f0795 DH |
1023 | V4L2_CAP_AUDIO | |
1024 | V4L2_CAP_READWRITE | | |
1025 | V4L2_CAP_STREAMING | | |
1026 | V4L2_CAP_TUNER; | |
1027 | return 0; | |
1028 | } | |
1029 | ||
1030 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, | |
1031 | struct v4l2_fmtdesc *f) | |
1032 | { | |
62899a28 | 1033 | if (f->index) |
8b2f0795 DH |
1034 | return -EINVAL; |
1035 | ||
8b2f0795 DH |
1036 | f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
1037 | strcpy(f->description, "Packed YUV2"); | |
1038 | ||
1039 | f->flags = 0; | |
1040 | f->pixelformat = V4L2_PIX_FMT_UYVY; | |
1041 | ||
8b2f0795 DH |
1042 | return 0; |
1043 | } | |
1044 | ||
1045 | static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, | |
1046 | struct v4l2_format *f) | |
1047 | { | |
1048 | struct au0828_fh *fh = priv; | |
1049 | struct au0828_dev *dev = fh->dev; | |
1050 | ||
1051 | f->fmt.pix.width = dev->width; | |
1052 | f->fmt.pix.height = dev->height; | |
1053 | f->fmt.pix.pixelformat = V4L2_PIX_FMT_UYVY; | |
1054 | f->fmt.pix.bytesperline = dev->bytesperline; | |
1055 | f->fmt.pix.sizeimage = dev->frame_size; | |
1056 | f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; /* NTSC/PAL */ | |
1057 | f->fmt.pix.field = V4L2_FIELD_INTERLACED; | |
1058 | return 0; | |
1059 | } | |
1060 | ||
1061 | static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, | |
1062 | struct v4l2_format *f) | |
1063 | { | |
1064 | struct au0828_fh *fh = priv; | |
1065 | struct au0828_dev *dev = fh->dev; | |
1066 | ||
1067 | return au0828_set_format(dev, VIDIOC_TRY_FMT, f); | |
1068 | } | |
1069 | ||
1070 | static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, | |
1071 | struct v4l2_format *f) | |
1072 | { | |
1073 | struct au0828_fh *fh = priv; | |
1074 | struct au0828_dev *dev = fh->dev; | |
1075 | int rc; | |
1076 | ||
1077 | if (videobuf_queue_is_busy(&fh->vb_vidq)) { | |
62899a28 | 1078 | printk(KERN_INFO "%s queue busy\n", __func__); |
8b2f0795 DH |
1079 | rc = -EBUSY; |
1080 | goto out; | |
1081 | } | |
1082 | ||
1083 | if (dev->stream_on && !fh->stream_on) { | |
62899a28 | 1084 | printk(KERN_INFO "%s device in use by another fh\n", __func__); |
8b2f0795 DH |
1085 | rc = -EBUSY; |
1086 | goto out; | |
1087 | } | |
1088 | ||
1089 | return au0828_set_format(dev, VIDIOC_S_FMT, f); | |
1090 | out: | |
1091 | return rc; | |
1092 | } | |
1093 | ||
1094 | static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id * norm) | |
1095 | { | |
1096 | struct au0828_fh *fh = priv; | |
1097 | struct au0828_dev *dev = fh->dev; | |
1098 | ||
1099 | /* FIXME: when we support something other than NTSC, we are going to | |
1100 | have to make the au0828 bridge adjust the size of its capture | |
1101 | buffer, which is currently hardcoded at 720x480 */ | |
1102 | ||
1103 | au0828_call_i2c_clients(dev, VIDIOC_S_STD, norm); | |
1104 | return 0; | |
1105 | } | |
1106 | ||
1107 | static int vidioc_enum_input(struct file *file, void *priv, | |
1108 | struct v4l2_input *input) | |
1109 | { | |
1110 | struct au0828_fh *fh = priv; | |
1111 | struct au0828_dev *dev = fh->dev; | |
1112 | unsigned int tmp; | |
1113 | ||
1114 | static const char *inames[] = { | |
3d62287e | 1115 | [AU0828_VMUX_UNDEFINED] = "Undefined", |
8b2f0795 DH |
1116 | [AU0828_VMUX_COMPOSITE] = "Composite", |
1117 | [AU0828_VMUX_SVIDEO] = "S-Video", | |
1118 | [AU0828_VMUX_CABLE] = "Cable TV", | |
1119 | [AU0828_VMUX_TELEVISION] = "Television", | |
1120 | [AU0828_VMUX_DVB] = "DVB", | |
1121 | [AU0828_VMUX_DEBUG] = "tv debug" | |
1122 | }; | |
1123 | ||
1124 | tmp = input->index; | |
1125 | ||
62899a28 | 1126 | if (tmp > AU0828_MAX_INPUT) |
8b2f0795 | 1127 | return -EINVAL; |
62899a28 | 1128 | if (AUVI_INPUT(tmp).type == 0) |
8b2f0795 DH |
1129 | return -EINVAL; |
1130 | ||
8b2f0795 | 1131 | input->index = tmp; |
f1add5b5 | 1132 | strcpy(input->name, inames[AUVI_INPUT(tmp).type]); |
62899a28 DH |
1133 | if ((AUVI_INPUT(tmp).type == AU0828_VMUX_TELEVISION) || |
1134 | (AUVI_INPUT(tmp).type == AU0828_VMUX_CABLE)) | |
8b2f0795 DH |
1135 | input->type |= V4L2_INPUT_TYPE_TUNER; |
1136 | else | |
1137 | input->type |= V4L2_INPUT_TYPE_CAMERA; | |
1138 | ||
1139 | input->std = dev->vdev->tvnorms; | |
1140 | ||
1141 | return 0; | |
1142 | } | |
1143 | ||
1144 | static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) | |
1145 | { | |
1146 | struct au0828_fh *fh = priv; | |
1147 | struct au0828_dev *dev = fh->dev; | |
1148 | *i = dev->ctrl_input; | |
1149 | return 0; | |
1150 | } | |
1151 | ||
1152 | static int vidioc_s_input(struct file *file, void *priv, unsigned int index) | |
1153 | { | |
1154 | struct au0828_fh *fh = priv; | |
1155 | struct au0828_dev *dev = fh->dev; | |
1156 | int i; | |
1157 | struct v4l2_routing route; | |
1158 | ||
62899a28 | 1159 | dprintk(1, "VIDIOC_S_INPUT in function %s, input=%d\n", __func__, |
8b2f0795 | 1160 | index); |
62899a28 | 1161 | if (index >= AU0828_MAX_INPUT) |
8b2f0795 | 1162 | return -EINVAL; |
62899a28 | 1163 | if (AUVI_INPUT(index).type == 0) |
8b2f0795 DH |
1164 | return -EINVAL; |
1165 | dev->ctrl_input = index; | |
1166 | ||
62899a28 | 1167 | switch (AUVI_INPUT(index).type) { |
8b2f0795 | 1168 | case AU0828_VMUX_SVIDEO: |
8b2f0795 DH |
1169 | dev->input_type = AU0828_VMUX_SVIDEO; |
1170 | break; | |
8b2f0795 | 1171 | case AU0828_VMUX_COMPOSITE: |
8b2f0795 DH |
1172 | dev->input_type = AU0828_VMUX_COMPOSITE; |
1173 | break; | |
8b2f0795 | 1174 | case AU0828_VMUX_TELEVISION: |
8b2f0795 DH |
1175 | dev->input_type = AU0828_VMUX_TELEVISION; |
1176 | break; | |
8b2f0795 | 1177 | default: |
a1094c4c DH |
1178 | dprintk(1, "VIDIOC_S_INPUT unknown input type set [%d]\n", |
1179 | AUVI_INPUT(index).type); | |
1180 | break; | |
8b2f0795 DH |
1181 | } |
1182 | ||
f1add5b5 | 1183 | route.input = AUVI_INPUT(index).vmux; |
8b2f0795 DH |
1184 | route.output = 0; |
1185 | au0828_call_i2c_clients(dev, VIDIOC_INT_S_VIDEO_ROUTING, &route); | |
1186 | ||
1187 | for (i = 0; i < AU0828_MAX_INPUT; i++) { | |
1188 | int enable = 0; | |
62899a28 | 1189 | if (AUVI_INPUT(i).audio_setup == NULL) |
8b2f0795 | 1190 | continue; |
8b2f0795 DH |
1191 | |
1192 | if (i == index) | |
1193 | enable = 1; | |
1194 | else | |
1195 | enable = 0; | |
1196 | if (enable) { | |
f1add5b5 | 1197 | (AUVI_INPUT(i).audio_setup)(dev, enable); |
8b2f0795 DH |
1198 | } else { |
1199 | /* Make sure we leave it turned on if some | |
1200 | other input is routed to this callback */ | |
f1add5b5 DH |
1201 | if ((AUVI_INPUT(i).audio_setup) != |
1202 | ((AUVI_INPUT(index).audio_setup))) { | |
1203 | (AUVI_INPUT(i).audio_setup)(dev, enable); | |
8b2f0795 DH |
1204 | } |
1205 | } | |
1206 | } | |
1207 | ||
f1add5b5 | 1208 | route.input = AUVI_INPUT(index).amux; |
8b2f0795 DH |
1209 | au0828_call_i2c_clients(dev, VIDIOC_INT_S_AUDIO_ROUTING, |
1210 | &route); | |
1211 | return 0; | |
1212 | } | |
1213 | ||
1214 | static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a) | |
1215 | { | |
1216 | struct au0828_fh *fh = priv; | |
1217 | struct au0828_dev *dev = fh->dev; | |
1218 | unsigned int index = a->index; | |
1219 | ||
62899a28 | 1220 | if (a->index > 1) |
8b2f0795 DH |
1221 | return -EINVAL; |
1222 | ||
8b2f0795 | 1223 | index = dev->ctrl_ainput; |
62899a28 | 1224 | if (index == 0) |
8b2f0795 DH |
1225 | strcpy(a->name, "Television"); |
1226 | else | |
1227 | strcpy(a->name, "Line in"); | |
1228 | ||
1229 | a->capability = V4L2_AUDCAP_STEREO; | |
1230 | a->index = index; | |
1231 | return 0; | |
1232 | } | |
1233 | ||
1234 | static int vidioc_s_audio(struct file *file, void *priv, struct v4l2_audio *a) | |
1235 | { | |
1236 | struct au0828_fh *fh = priv; | |
1237 | struct au0828_dev *dev = fh->dev; | |
62899a28 | 1238 | if (a->index != dev->ctrl_ainput) |
8b2f0795 DH |
1239 | return -EINVAL; |
1240 | return 0; | |
1241 | } | |
1242 | ||
1243 | static int vidioc_g_ctrl(struct file *file, void *priv, | |
1244 | struct v4l2_control *ctrl) | |
1245 | { | |
1246 | struct au0828_fh *fh = priv; | |
1247 | struct au0828_dev *dev = fh->dev; | |
1248 | ||
1249 | au0828_call_i2c_clients(dev, VIDIOC_G_CTRL, ctrl); | |
1250 | return 0; | |
1251 | ||
1252 | } | |
1253 | ||
1254 | static int vidioc_s_ctrl(struct file *file, void *priv, | |
1255 | struct v4l2_control *ctrl) | |
1256 | { | |
1257 | struct au0828_fh *fh = priv; | |
1258 | struct au0828_dev *dev = fh->dev; | |
1259 | au0828_call_i2c_clients(dev, VIDIOC_S_CTRL, ctrl); | |
1260 | return 0; | |
1261 | } | |
1262 | ||
1263 | static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) | |
1264 | { | |
1265 | struct au0828_fh *fh = priv; | |
1266 | struct au0828_dev *dev = fh->dev; | |
1267 | ||
62899a28 | 1268 | if (t->index != 0) |
8b2f0795 DH |
1269 | return -EINVAL; |
1270 | ||
8b2f0795 DH |
1271 | strcpy(t->name, "Auvitek tuner"); |
1272 | ||
1273 | au0828_call_i2c_clients(dev, VIDIOC_G_TUNER, t); | |
1274 | return 0; | |
1275 | } | |
1276 | ||
1277 | static int vidioc_s_tuner(struct file *file, void *priv, | |
1278 | struct v4l2_tuner *t) | |
1279 | { | |
1280 | struct au0828_fh *fh = priv; | |
1281 | struct au0828_dev *dev = fh->dev; | |
1282 | ||
62899a28 | 1283 | if (t->index != 0) |
8b2f0795 DH |
1284 | return -EINVAL; |
1285 | ||
1286 | t->type = V4L2_TUNER_ANALOG_TV; | |
1287 | au0828_call_i2c_clients(dev, VIDIOC_S_TUNER, t); | |
1288 | dprintk(1, "VIDIOC_S_TUNER: signal = %x, afc = %x\n", t->signal, | |
1289 | t->afc); | |
1290 | return 0; | |
1291 | ||
1292 | } | |
1293 | ||
1294 | static int vidioc_g_frequency(struct file *file, void *priv, | |
1295 | struct v4l2_frequency *freq) | |
1296 | { | |
1297 | struct au0828_fh *fh = priv; | |
1298 | struct au0828_dev *dev = fh->dev; | |
c888923d | 1299 | |
8b2f0795 DH |
1300 | freq->type = V4L2_TUNER_ANALOG_TV; |
1301 | freq->frequency = dev->ctrl_freq; | |
1302 | return 0; | |
1303 | } | |
1304 | ||
1305 | static int vidioc_s_frequency(struct file *file, void *priv, | |
1306 | struct v4l2_frequency *freq) | |
1307 | { | |
1308 | struct au0828_fh *fh = priv; | |
1309 | struct au0828_dev *dev = fh->dev; | |
1310 | ||
62899a28 | 1311 | if (freq->tuner != 0) |
8b2f0795 | 1312 | return -EINVAL; |
62899a28 | 1313 | if (freq->type != V4L2_TUNER_ANALOG_TV) |
8b2f0795 DH |
1314 | return -EINVAL; |
1315 | ||
1316 | dev->ctrl_freq = freq->frequency; | |
1317 | ||
1318 | au0828_call_i2c_clients(dev, VIDIOC_S_FREQUENCY, freq); | |
1319 | ||
1320 | au0828_analog_stream_reset(dev); | |
1321 | ||
1322 | return 0; | |
1323 | } | |
1324 | ||
1325 | static int vidioc_g_chip_ident(struct file *file, void *priv, | |
1326 | struct v4l2_dbg_chip_ident *chip) | |
1327 | { | |
1328 | struct au0828_fh *fh = priv; | |
1329 | struct au0828_dev *dev = fh->dev; | |
1330 | chip->ident = V4L2_IDENT_NONE; | |
1331 | chip->revision = 0; | |
1332 | ||
d9109bef DH |
1333 | if (v4l2_chip_match_host(&chip->match)) { |
1334 | chip->ident = V4L2_IDENT_AU0828; | |
1335 | return 0; | |
1336 | } | |
1337 | ||
8b2f0795 | 1338 | au0828_call_i2c_clients(dev, VIDIOC_DBG_G_CHIP_IDENT, chip); |
d9109bef DH |
1339 | if (chip->ident == V4L2_IDENT_NONE) |
1340 | return -EINVAL; | |
1341 | ||
8b2f0795 DH |
1342 | return 0; |
1343 | } | |
1344 | ||
1345 | static int vidioc_cropcap(struct file *file, void *priv, | |
1346 | struct v4l2_cropcap *cc) | |
1347 | { | |
1348 | struct au0828_fh *fh = priv; | |
1349 | struct au0828_dev *dev = fh->dev; | |
1350 | ||
62899a28 | 1351 | if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
8b2f0795 DH |
1352 | return -EINVAL; |
1353 | ||
1354 | cc->bounds.left = 0; | |
1355 | cc->bounds.top = 0; | |
1356 | cc->bounds.width = dev->width; | |
1357 | cc->bounds.height = dev->height; | |
1358 | ||
1359 | cc->defrect = cc->bounds; | |
1360 | ||
1361 | cc->pixelaspect.numerator = 54; | |
1362 | cc->pixelaspect.denominator = 59; | |
1363 | ||
1364 | return 0; | |
1365 | } | |
1366 | ||
1367 | static int vidioc_streamon(struct file *file, void *priv, | |
1368 | enum v4l2_buf_type type) | |
1369 | { | |
1370 | struct au0828_fh *fh = priv; | |
1371 | struct au0828_dev *dev = fh->dev; | |
1372 | int b = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
1373 | int rc; | |
1374 | ||
1375 | rc = check_dev(dev); | |
1376 | if (rc < 0) | |
1377 | return rc; | |
1378 | ||
1379 | if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { | |
1380 | au0828_analog_stream_enable(dev); | |
1381 | au0828_call_i2c_clients(dev, VIDIOC_STREAMON, &b); | |
1382 | } | |
1383 | ||
1384 | mutex_lock(&dev->lock); | |
1385 | rc = res_get(fh); | |
1386 | ||
1387 | if (likely(rc >= 0)) | |
1388 | rc = videobuf_streamon(&fh->vb_vidq); | |
1389 | mutex_unlock(&dev->lock); | |
1390 | ||
1391 | return rc; | |
1392 | } | |
1393 | ||
1394 | static int vidioc_streamoff(struct file *file, void *priv, | |
1395 | enum v4l2_buf_type type) | |
1396 | { | |
1397 | struct au0828_fh *fh = priv; | |
1398 | struct au0828_dev *dev = fh->dev; | |
1399 | int b = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
1400 | int i; | |
1401 | int ret; | |
1402 | int rc; | |
1403 | ||
1404 | rc = check_dev(dev); | |
1405 | if (rc < 0) | |
1406 | return rc; | |
1407 | ||
1408 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1409 | return -EINVAL; | |
1410 | if (type != fh->type) | |
1411 | return -EINVAL; | |
1412 | ||
1413 | if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { | |
1414 | au0828_call_i2c_clients(dev, VIDIOC_STREAMOFF, &b); | |
62899a28 DH |
1415 | ret = au0828_stream_interrupt(dev); |
1416 | if (ret != 0) | |
8b2f0795 DH |
1417 | return ret; |
1418 | } | |
1419 | ||
1420 | for (i = 0; i < AU0828_MAX_INPUT; i++) { | |
62899a28 | 1421 | if (AUVI_INPUT(i).audio_setup == NULL) |
8b2f0795 | 1422 | continue; |
f1add5b5 | 1423 | (AUVI_INPUT(i).audio_setup)(dev, 0); |
8b2f0795 DH |
1424 | } |
1425 | ||
1426 | mutex_lock(&dev->lock); | |
1427 | videobuf_streamoff(&fh->vb_vidq); | |
1428 | res_free(fh); | |
1429 | mutex_unlock(&dev->lock); | |
1430 | ||
1431 | return 0; | |
1432 | } | |
1433 | ||
1434 | static int vidioc_g_register(struct file *file, void *priv, | |
1435 | struct v4l2_dbg_register *reg) | |
1436 | { | |
1437 | struct au0828_fh *fh = priv; | |
1438 | struct au0828_dev *dev = fh->dev; | |
1439 | ||
1440 | switch (reg->match.type) { | |
1441 | case V4L2_CHIP_MATCH_I2C_DRIVER: | |
1442 | au0828_call_i2c_clients(dev, VIDIOC_DBG_G_REGISTER, reg); | |
1443 | return 0; | |
1444 | default: | |
1445 | return -EINVAL; | |
1446 | } | |
1447 | } | |
1448 | ||
1449 | static int vidioc_s_register(struct file *file, void *priv, | |
1450 | struct v4l2_dbg_register *reg) | |
1451 | { | |
1452 | struct au0828_fh *fh = priv; | |
1453 | struct au0828_dev *dev = fh->dev; | |
1454 | ||
1455 | switch (reg->match.type) { | |
1456 | case V4L2_CHIP_MATCH_I2C_DRIVER: | |
1457 | au0828_call_i2c_clients(dev, VIDIOC_DBG_S_REGISTER, reg); | |
1458 | return 0; | |
1459 | default: | |
1460 | return -EINVAL; | |
1461 | } | |
1462 | return 0; | |
1463 | } | |
1464 | ||
1465 | static int vidioc_reqbufs(struct file *file, void *priv, | |
1466 | struct v4l2_requestbuffers *rb) | |
1467 | { | |
1468 | struct au0828_fh *fh = priv; | |
1469 | struct au0828_dev *dev = fh->dev; | |
1470 | int rc; | |
1471 | ||
1472 | rc = check_dev(dev); | |
1473 | if (rc < 0) | |
1474 | return rc; | |
1475 | ||
1476 | return videobuf_reqbufs(&fh->vb_vidq, rb); | |
1477 | } | |
1478 | ||
1479 | static int vidioc_querybuf(struct file *file, void *priv, | |
1480 | struct v4l2_buffer *b) | |
1481 | { | |
1482 | struct au0828_fh *fh = priv; | |
1483 | struct au0828_dev *dev = fh->dev; | |
1484 | int rc; | |
1485 | ||
1486 | rc = check_dev(dev); | |
1487 | if (rc < 0) | |
1488 | return rc; | |
1489 | ||
1490 | return videobuf_querybuf(&fh->vb_vidq, b); | |
1491 | } | |
1492 | ||
1493 | static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b) | |
1494 | { | |
1495 | struct au0828_fh *fh = priv; | |
1496 | struct au0828_dev *dev = fh->dev; | |
1497 | int rc; | |
1498 | ||
1499 | rc = check_dev(dev); | |
1500 | if (rc < 0) | |
1501 | return rc; | |
1502 | ||
1503 | return videobuf_qbuf(&fh->vb_vidq, b); | |
1504 | } | |
1505 | ||
1506 | static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) | |
1507 | { | |
1508 | struct au0828_fh *fh = priv; | |
1509 | struct au0828_dev *dev = fh->dev; | |
1510 | int rc; | |
1511 | ||
1512 | rc = check_dev(dev); | |
1513 | if (rc < 0) | |
1514 | return rc; | |
1515 | ||
1516 | /* Workaround for a bug in the au0828 hardware design that sometimes | |
1517 | results in the colorspace being inverted */ | |
1518 | if (dev->greenscreen_detected == 1) { | |
1519 | dprintk(1, "Detected green frame. Resetting stream...\n"); | |
1520 | au0828_analog_stream_reset(dev); | |
1521 | dev->greenscreen_detected = 0; | |
1522 | } | |
1523 | ||
1524 | return videobuf_dqbuf(&fh->vb_vidq, b, file->f_flags & O_NONBLOCK); | |
1525 | } | |
1526 | ||
1527 | #ifdef CONFIG_VIDEO_V4L1_COMPAT | |
1528 | static int vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf) | |
1529 | { | |
1530 | struct au0828_fh *fh = priv; | |
1531 | ||
1532 | return videobuf_cgmbuf(&fh->vb_vidq, mbuf, 8); | |
1533 | } | |
1534 | #endif | |
1535 | ||
1536 | static struct v4l2_file_operations au0828_v4l_fops = { | |
1537 | .owner = THIS_MODULE, | |
1538 | .open = au0828_v4l2_open, | |
1539 | .release = au0828_v4l2_close, | |
1540 | .read = au0828_v4l2_read, | |
1541 | .poll = au0828_v4l2_poll, | |
1542 | .mmap = au0828_v4l2_mmap, | |
1543 | .ioctl = video_ioctl2, | |
1544 | }; | |
1545 | ||
1546 | static const struct v4l2_ioctl_ops video_ioctl_ops = { | |
1547 | .vidioc_querycap = vidioc_querycap, | |
1548 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, | |
1549 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
1550 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, | |
1551 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, | |
dd27ade7 | 1552 | #ifdef VBI_IS_WORKING |
5a5a4e16 DH |
1553 | .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, |
1554 | .vidioc_try_fmt_vbi_cap = vidioc_s_fmt_vbi_cap, | |
1555 | .vidioc_s_fmt_vbi_cap = vidioc_s_fmt_vbi_cap, | |
1556 | #endif | |
8b2f0795 DH |
1557 | .vidioc_g_audio = vidioc_g_audio, |
1558 | .vidioc_s_audio = vidioc_s_audio, | |
1559 | .vidioc_cropcap = vidioc_cropcap, | |
dd27ade7 | 1560 | #ifdef VBI_IS_WORKING |
8b2f0795 DH |
1561 | .vidioc_g_fmt_sliced_vbi_cap = vidioc_g_fmt_sliced_vbi_cap, |
1562 | .vidioc_try_fmt_sliced_vbi_cap = vidioc_try_set_sliced_vbi_cap, | |
1563 | .vidioc_s_fmt_sliced_vbi_cap = vidioc_try_set_sliced_vbi_cap, | |
1564 | #endif | |
1565 | .vidioc_reqbufs = vidioc_reqbufs, | |
1566 | .vidioc_querybuf = vidioc_querybuf, | |
1567 | .vidioc_qbuf = vidioc_qbuf, | |
1568 | .vidioc_dqbuf = vidioc_dqbuf, | |
1569 | .vidioc_s_std = vidioc_s_std, | |
1570 | .vidioc_enum_input = vidioc_enum_input, | |
1571 | .vidioc_g_input = vidioc_g_input, | |
1572 | .vidioc_s_input = vidioc_s_input, | |
1573 | .vidioc_queryctrl = vidioc_queryctrl, | |
1574 | .vidioc_g_ctrl = vidioc_g_ctrl, | |
1575 | .vidioc_s_ctrl = vidioc_s_ctrl, | |
1576 | .vidioc_streamon = vidioc_streamon, | |
1577 | .vidioc_streamoff = vidioc_streamoff, | |
1578 | .vidioc_g_tuner = vidioc_g_tuner, | |
1579 | .vidioc_s_tuner = vidioc_s_tuner, | |
1580 | .vidioc_g_frequency = vidioc_g_frequency, | |
1581 | .vidioc_s_frequency = vidioc_s_frequency, | |
1582 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
1583 | .vidioc_g_register = vidioc_g_register, | |
1584 | .vidioc_s_register = vidioc_s_register, | |
1585 | .vidioc_g_chip_ident = vidioc_g_chip_ident, | |
1586 | #endif | |
1587 | #ifdef CONFIG_VIDEO_V4L1_COMPAT | |
1588 | .vidiocgmbuf = vidiocgmbuf, | |
1589 | #endif | |
1590 | }; | |
1591 | ||
1592 | static const struct video_device au0828_video_template = { | |
1593 | .fops = &au0828_v4l_fops, | |
1594 | .release = video_device_release, | |
1595 | .ioctl_ops = &video_ioctl_ops, | |
1596 | .minor = -1, | |
0ef21071 DH |
1597 | .tvnorms = V4L2_STD_NTSC_M, |
1598 | .current_norm = V4L2_STD_NTSC_M, | |
8b2f0795 DH |
1599 | }; |
1600 | ||
1601 | /**************************************************************************/ | |
1602 | ||
fc4ce6cd DH |
1603 | int au0828_analog_register(struct au0828_dev *dev, |
1604 | struct usb_interface *interface) | |
8b2f0795 DH |
1605 | { |
1606 | int retval = -ENOMEM; | |
fc4ce6cd DH |
1607 | struct usb_host_interface *iface_desc; |
1608 | struct usb_endpoint_descriptor *endpoint; | |
1609 | int i; | |
8b2f0795 DH |
1610 | |
1611 | dprintk(1, "au0828_analog_register called!\n"); | |
1612 | ||
fc4ce6cd DH |
1613 | /* set au0828 usb interface0 to as5 */ |
1614 | retval = usb_set_interface(dev->usbdev, | |
62899a28 | 1615 | interface->cur_altsetting->desc.bInterfaceNumber, 5); |
fc4ce6cd | 1616 | if (retval != 0) { |
62899a28 | 1617 | printk(KERN_INFO "Failure setting usb interface0 to as5\n"); |
fc4ce6cd DH |
1618 | return retval; |
1619 | } | |
1620 | ||
1621 | /* Figure out which endpoint has the isoc interface */ | |
1622 | iface_desc = interface->cur_altsetting; | |
62899a28 | 1623 | for (i = 0; i < iface_desc->desc.bNumEndpoints; i++) { |
fc4ce6cd | 1624 | endpoint = &iface_desc->endpoint[i].desc; |
62899a28 DH |
1625 | if (((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) |
1626 | == USB_DIR_IN) && | |
1627 | ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) | |
1628 | == USB_ENDPOINT_XFER_ISOC)) { | |
fc4ce6cd DH |
1629 | |
1630 | /* we find our isoc in endpoint */ | |
1631 | u16 tmp = le16_to_cpu(endpoint->wMaxPacketSize); | |
62899a28 DH |
1632 | dev->max_pkt_size = (tmp & 0x07ff) * |
1633 | (((tmp & 0x1800) >> 11) + 1); | |
fc4ce6cd DH |
1634 | dev->isoc_in_endpointaddr = endpoint->bEndpointAddress; |
1635 | } | |
1636 | } | |
62899a28 DH |
1637 | if (!(dev->isoc_in_endpointaddr)) { |
1638 | printk(KERN_INFO "Could not locate isoc endpoint\n"); | |
fc4ce6cd DH |
1639 | kfree(dev); |
1640 | return -ENODEV; | |
1641 | } | |
1642 | ||
8b2f0795 DH |
1643 | init_waitqueue_head(&dev->open); |
1644 | spin_lock_init(&dev->slock); | |
1645 | mutex_init(&dev->lock); | |
1646 | ||
1647 | INIT_LIST_HEAD(&dev->vidq.active); | |
1648 | INIT_LIST_HEAD(&dev->vidq.queued); | |
1649 | ||
1650 | dev->width = NTSC_STD_W; | |
1651 | dev->height = NTSC_STD_H; | |
1652 | dev->field_size = dev->width * dev->height; | |
1653 | dev->frame_size = dev->field_size << 1; | |
1654 | dev->bytesperline = dev->width << 1; | |
1655 | dev->ctrl_ainput = 0; | |
1656 | ||
1657 | /* allocate and fill v4l2 video struct */ | |
1658 | dev->vdev = video_device_alloc(); | |
62899a28 | 1659 | if (NULL == dev->vdev) { |
8b2f0795 DH |
1660 | dprintk(1, "Can't allocate video_device.\n"); |
1661 | return -ENOMEM; | |
1662 | } | |
1663 | ||
dd27ade7 | 1664 | #ifdef VBI_IS_WORKING |
8b2f0795 | 1665 | dev->vbi_dev = video_device_alloc(); |
62899a28 | 1666 | if (NULL == dev->vbi_dev) { |
8b2f0795 DH |
1667 | dprintk(1, "Can't allocate vbi_device.\n"); |
1668 | kfree(dev->vdev); | |
1669 | return -ENOMEM; | |
1670 | } | |
5a5a4e16 | 1671 | #endif |
8b2f0795 DH |
1672 | |
1673 | /* Fill the video capture device struct */ | |
1674 | *dev->vdev = au0828_video_template; | |
8b2f0795 DH |
1675 | dev->vdev->parent = &dev->usbdev->dev; |
1676 | strcpy(dev->vdev->name, "au0828a video"); | |
1677 | ||
dd27ade7 | 1678 | #ifdef VBI_IS_WORKING |
8b2f0795 DH |
1679 | /* Setup the VBI device */ |
1680 | *dev->vbi_dev = au0828_video_template; | |
8b2f0795 DH |
1681 | dev->vbi_dev->parent = &dev->usbdev->dev; |
1682 | strcpy(dev->vbi_dev->name, "au0828a vbi"); | |
5a5a4e16 | 1683 | #endif |
8b2f0795 DH |
1684 | |
1685 | list_add_tail(&dev->au0828list, &au0828_devlist); | |
1686 | ||
1687 | /* Register the v4l2 device */ | |
62899a28 DH |
1688 | retval = video_register_device(dev->vdev, VFL_TYPE_GRABBER, -1); |
1689 | if (retval != 0) { | |
1690 | dprintk(1, "unable to register video device (error = %d).\n", | |
1691 | retval); | |
8b2f0795 DH |
1692 | list_del(&dev->au0828list); |
1693 | video_device_release(dev->vdev); | |
1694 | return -ENODEV; | |
1695 | } | |
1696 | ||
dd27ade7 | 1697 | #ifdef VBI_IS_WORKING |
8b2f0795 | 1698 | /* Register the vbi device */ |
62899a28 DH |
1699 | retval = video_register_device(dev->vbi_dev, VFL_TYPE_VBI, -1); |
1700 | if (retval != 0) { | |
1701 | dprintk(1, "unable to register vbi device (error = %d).\n", | |
1702 | retval); | |
8b2f0795 DH |
1703 | list_del(&dev->au0828list); |
1704 | video_device_release(dev->vbi_dev); | |
1705 | video_device_release(dev->vdev); | |
1706 | return -ENODEV; | |
1707 | } | |
5a5a4e16 | 1708 | #endif |
8b2f0795 | 1709 | |
62899a28 | 1710 | dprintk(1, "%s completed!\n", __func__); |
8b2f0795 DH |
1711 | |
1712 | return 0; | |
1713 | } | |
1714 |