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> | |
5a0e3ad6 | 32 | #include <linux/slab.h> |
8b2f0795 DH |
33 | #include <linux/init.h> |
34 | #include <linux/device.h> | |
35 | #include <linux/suspend.h> | |
8b2f0795 DH |
36 | #include <media/v4l2-common.h> |
37 | #include <media/v4l2-ioctl.h> | |
83b09422 | 38 | #include <media/v4l2-event.h> |
8b2f0795 DH |
39 | #include <media/v4l2-chip-ident.h> |
40 | #include <media/tuner.h> | |
41 | #include "au0828.h" | |
42 | #include "au0828-reg.h" | |
43 | ||
8b2f0795 DH |
44 | static DEFINE_MUTEX(au0828_sysfs_lock); |
45 | ||
8b2f0795 DH |
46 | /* ------------------------------------------------------------------ |
47 | Videobuf operations | |
48 | ------------------------------------------------------------------*/ | |
49 | ||
50 | static unsigned int isoc_debug; | |
51 | module_param(isoc_debug, int, 0644); | |
52 | MODULE_PARM_DESC(isoc_debug, "enable debug messages [isoc transfers]"); | |
53 | ||
54 | #define au0828_isocdbg(fmt, arg...) \ | |
55 | do {\ | |
56 | if (isoc_debug) { \ | |
57 | printk(KERN_INFO "au0828 %s :"fmt, \ | |
58 | __func__ , ##arg); \ | |
59 | } \ | |
60 | } while (0) | |
61 | ||
62 | static inline void print_err_status(struct au0828_dev *dev, | |
63 | int packet, int status) | |
64 | { | |
65 | char *errmsg = "Unknown"; | |
66 | ||
67 | switch (status) { | |
68 | case -ENOENT: | |
69 | errmsg = "unlinked synchronuously"; | |
70 | break; | |
71 | case -ECONNRESET: | |
72 | errmsg = "unlinked asynchronuously"; | |
73 | break; | |
74 | case -ENOSR: | |
75 | errmsg = "Buffer error (overrun)"; | |
76 | break; | |
77 | case -EPIPE: | |
78 | errmsg = "Stalled (device not responding)"; | |
79 | break; | |
80 | case -EOVERFLOW: | |
81 | errmsg = "Babble (bad cable?)"; | |
82 | break; | |
83 | case -EPROTO: | |
84 | errmsg = "Bit-stuff error (bad cable?)"; | |
85 | break; | |
86 | case -EILSEQ: | |
87 | errmsg = "CRC/Timeout (could be anything)"; | |
88 | break; | |
89 | case -ETIME: | |
90 | errmsg = "Device does not respond"; | |
91 | break; | |
92 | } | |
93 | if (packet < 0) { | |
94 | au0828_isocdbg("URB status %d [%s].\n", status, errmsg); | |
95 | } else { | |
96 | au0828_isocdbg("URB packet %d, status %d [%s].\n", | |
97 | packet, status, errmsg); | |
98 | } | |
99 | } | |
100 | ||
101 | static int check_dev(struct au0828_dev *dev) | |
102 | { | |
103 | if (dev->dev_state & DEV_DISCONNECTED) { | |
62899a28 | 104 | printk(KERN_INFO "v4l2 ioctl: device not present\n"); |
8b2f0795 DH |
105 | return -ENODEV; |
106 | } | |
107 | ||
108 | if (dev->dev_state & DEV_MISCONFIGURED) { | |
62899a28 | 109 | printk(KERN_INFO "v4l2 ioctl: device is misconfigured; " |
8b2f0795 DH |
110 | "close and open it again\n"); |
111 | return -EIO; | |
112 | } | |
113 | return 0; | |
114 | } | |
115 | ||
116 | /* | |
117 | * IRQ callback, called by URB callback | |
118 | */ | |
119 | static void au0828_irq_callback(struct urb *urb) | |
120 | { | |
121 | struct au0828_dmaqueue *dma_q = urb->context; | |
122 | struct au0828_dev *dev = container_of(dma_q, struct au0828_dev, vidq); | |
78ca5005 | 123 | unsigned long flags = 0; |
e92ba283 | 124 | int i; |
8b2f0795 DH |
125 | |
126 | switch (urb->status) { | |
127 | case 0: /* success */ | |
128 | case -ETIMEDOUT: /* NAK */ | |
129 | break; | |
130 | case -ECONNRESET: /* kill */ | |
131 | case -ENOENT: | |
132 | case -ESHUTDOWN: | |
133 | au0828_isocdbg("au0828_irq_callback called: status kill\n"); | |
134 | return; | |
135 | default: /* unknown error */ | |
136 | au0828_isocdbg("urb completition error %d.\n", urb->status); | |
137 | break; | |
138 | } | |
139 | ||
140 | /* Copy data from URB */ | |
78ca5005 | 141 | spin_lock_irqsave(&dev->slock, flags); |
e92ba283 | 142 | dev->isoc_ctl.isoc_copy(dev, urb); |
78ca5005 | 143 | spin_unlock_irqrestore(&dev->slock, flags); |
8b2f0795 DH |
144 | |
145 | /* Reset urb buffers */ | |
146 | for (i = 0; i < urb->number_of_packets; i++) { | |
147 | urb->iso_frame_desc[i].status = 0; | |
148 | urb->iso_frame_desc[i].actual_length = 0; | |
149 | } | |
150 | urb->status = 0; | |
151 | ||
152 | urb->status = usb_submit_urb(urb, GFP_ATOMIC); | |
153 | if (urb->status) { | |
154 | au0828_isocdbg("urb resubmit failed (error=%i)\n", | |
155 | urb->status); | |
156 | } | |
157 | } | |
158 | ||
159 | /* | |
160 | * Stop and Deallocate URBs | |
161 | */ | |
a094ca46 | 162 | static void au0828_uninit_isoc(struct au0828_dev *dev) |
8b2f0795 DH |
163 | { |
164 | struct urb *urb; | |
165 | int i; | |
166 | ||
167 | au0828_isocdbg("au0828: called au0828_uninit_isoc\n"); | |
168 | ||
169 | dev->isoc_ctl.nfields = -1; | |
170 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
171 | urb = dev->isoc_ctl.urb[i]; | |
172 | if (urb) { | |
173 | if (!irqs_disabled()) | |
174 | usb_kill_urb(urb); | |
175 | else | |
176 | usb_unlink_urb(urb); | |
177 | ||
178 | if (dev->isoc_ctl.transfer_buffer[i]) { | |
997ea58e | 179 | usb_free_coherent(dev->usbdev, |
8b2f0795 DH |
180 | urb->transfer_buffer_length, |
181 | dev->isoc_ctl.transfer_buffer[i], | |
182 | urb->transfer_dma); | |
183 | } | |
184 | usb_free_urb(urb); | |
185 | dev->isoc_ctl.urb[i] = NULL; | |
186 | } | |
187 | dev->isoc_ctl.transfer_buffer[i] = NULL; | |
188 | } | |
189 | ||
190 | kfree(dev->isoc_ctl.urb); | |
191 | kfree(dev->isoc_ctl.transfer_buffer); | |
192 | ||
193 | dev->isoc_ctl.urb = NULL; | |
194 | dev->isoc_ctl.transfer_buffer = NULL; | |
195 | dev->isoc_ctl.num_bufs = 0; | |
196 | } | |
197 | ||
198 | /* | |
199 | * Allocate URBs and start IRQ | |
200 | */ | |
a094ca46 MCC |
201 | static int au0828_init_isoc(struct au0828_dev *dev, int max_packets, |
202 | int num_bufs, int max_pkt_size, | |
203 | int (*isoc_copy) (struct au0828_dev *dev, struct urb *urb)) | |
8b2f0795 DH |
204 | { |
205 | struct au0828_dmaqueue *dma_q = &dev->vidq; | |
206 | int i; | |
207 | int sb_size, pipe; | |
208 | struct urb *urb; | |
209 | int j, k; | |
210 | int rc; | |
211 | ||
212 | au0828_isocdbg("au0828: called au0828_prepare_isoc\n"); | |
213 | ||
214 | /* De-allocates all pending stuff */ | |
215 | au0828_uninit_isoc(dev); | |
216 | ||
217 | dev->isoc_ctl.isoc_copy = isoc_copy; | |
218 | dev->isoc_ctl.num_bufs = num_bufs; | |
219 | ||
220 | dev->isoc_ctl.urb = kzalloc(sizeof(void *)*num_bufs, GFP_KERNEL); | |
221 | if (!dev->isoc_ctl.urb) { | |
222 | au0828_isocdbg("cannot alloc memory for usb buffers\n"); | |
223 | return -ENOMEM; | |
224 | } | |
225 | ||
226 | dev->isoc_ctl.transfer_buffer = kzalloc(sizeof(void *)*num_bufs, | |
227 | GFP_KERNEL); | |
228 | if (!dev->isoc_ctl.transfer_buffer) { | |
229 | au0828_isocdbg("cannot allocate memory for usb transfer\n"); | |
230 | kfree(dev->isoc_ctl.urb); | |
231 | return -ENOMEM; | |
232 | } | |
233 | ||
234 | dev->isoc_ctl.max_pkt_size = max_pkt_size; | |
235 | dev->isoc_ctl.buf = NULL; | |
236 | ||
237 | sb_size = max_packets * dev->isoc_ctl.max_pkt_size; | |
238 | ||
239 | /* allocate urbs and transfer buffers */ | |
240 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
241 | urb = usb_alloc_urb(max_packets, GFP_KERNEL); | |
242 | if (!urb) { | |
243 | au0828_isocdbg("cannot alloc isoc_ctl.urb %i\n", i); | |
244 | au0828_uninit_isoc(dev); | |
245 | return -ENOMEM; | |
246 | } | |
247 | dev->isoc_ctl.urb[i] = urb; | |
248 | ||
997ea58e | 249 | dev->isoc_ctl.transfer_buffer[i] = usb_alloc_coherent(dev->usbdev, |
8b2f0795 DH |
250 | sb_size, GFP_KERNEL, &urb->transfer_dma); |
251 | if (!dev->isoc_ctl.transfer_buffer[i]) { | |
252 | printk("unable to allocate %i bytes for transfer" | |
253 | " buffer %i%s\n", | |
254 | sb_size, i, | |
255 | in_interrupt() ? " while in int" : ""); | |
256 | au0828_uninit_isoc(dev); | |
257 | return -ENOMEM; | |
258 | } | |
259 | memset(dev->isoc_ctl.transfer_buffer[i], 0, sb_size); | |
260 | ||
261 | pipe = usb_rcvisocpipe(dev->usbdev, | |
262 | dev->isoc_in_endpointaddr), | |
263 | ||
264 | usb_fill_int_urb(urb, dev->usbdev, pipe, | |
265 | dev->isoc_ctl.transfer_buffer[i], sb_size, | |
266 | au0828_irq_callback, dma_q, 1); | |
267 | ||
268 | urb->number_of_packets = max_packets; | |
fadadb7d | 269 | urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; |
8b2f0795 DH |
270 | |
271 | k = 0; | |
272 | for (j = 0; j < max_packets; j++) { | |
273 | urb->iso_frame_desc[j].offset = k; | |
274 | urb->iso_frame_desc[j].length = | |
275 | dev->isoc_ctl.max_pkt_size; | |
276 | k += dev->isoc_ctl.max_pkt_size; | |
277 | } | |
278 | } | |
279 | ||
280 | init_waitqueue_head(&dma_q->wq); | |
281 | ||
282 | /* submit urbs and enables IRQ */ | |
283 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
284 | rc = usb_submit_urb(dev->isoc_ctl.urb[i], GFP_ATOMIC); | |
285 | if (rc) { | |
286 | au0828_isocdbg("submit of urb %i failed (error=%i)\n", | |
287 | i, rc); | |
288 | au0828_uninit_isoc(dev); | |
289 | return rc; | |
290 | } | |
291 | } | |
292 | ||
293 | return 0; | |
294 | } | |
295 | ||
296 | /* | |
297 | * Announces that a buffer were filled and request the next | |
298 | */ | |
299 | static inline void buffer_filled(struct au0828_dev *dev, | |
300 | struct au0828_dmaqueue *dma_q, | |
301 | struct au0828_buffer *buf) | |
302 | { | |
303 | /* Advice that buffer was filled */ | |
304 | au0828_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i); | |
305 | ||
306 | buf->vb.state = VIDEOBUF_DONE; | |
307 | buf->vb.field_count++; | |
8e6057b5 | 308 | v4l2_get_timestamp(&buf->vb.ts); |
8b2f0795 DH |
309 | |
310 | dev->isoc_ctl.buf = NULL; | |
311 | ||
312 | list_del(&buf->vb.queue); | |
313 | wake_up(&buf->vb.done); | |
314 | } | |
315 | ||
7f8eacd2 DH |
316 | static inline void vbi_buffer_filled(struct au0828_dev *dev, |
317 | struct au0828_dmaqueue *dma_q, | |
318 | struct au0828_buffer *buf) | |
319 | { | |
320 | /* Advice that buffer was filled */ | |
321 | au0828_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i); | |
322 | ||
323 | buf->vb.state = VIDEOBUF_DONE; | |
324 | buf->vb.field_count++; | |
8e6057b5 | 325 | v4l2_get_timestamp(&buf->vb.ts); |
7f8eacd2 DH |
326 | |
327 | dev->isoc_ctl.vbi_buf = NULL; | |
328 | ||
329 | list_del(&buf->vb.queue); | |
330 | wake_up(&buf->vb.done); | |
331 | } | |
332 | ||
8b2f0795 DH |
333 | /* |
334 | * Identify the buffer header type and properly handles | |
335 | */ | |
336 | static void au0828_copy_video(struct au0828_dev *dev, | |
337 | struct au0828_dmaqueue *dma_q, | |
338 | struct au0828_buffer *buf, | |
339 | unsigned char *p, | |
340 | unsigned char *outp, unsigned long len) | |
341 | { | |
342 | void *fieldstart, *startwrite, *startread; | |
343 | int linesdone, currlinedone, offset, lencopy, remain; | |
344 | int bytesperline = dev->width << 1; /* Assumes 16-bit depth @@@@ */ | |
345 | ||
7f8eacd2 DH |
346 | if (len == 0) |
347 | return; | |
348 | ||
8b2f0795 DH |
349 | if (dma_q->pos + len > buf->vb.size) |
350 | len = buf->vb.size - dma_q->pos; | |
351 | ||
352 | startread = p; | |
353 | remain = len; | |
354 | ||
355 | /* Interlaces frame */ | |
356 | if (buf->top_field) | |
357 | fieldstart = outp; | |
358 | else | |
359 | fieldstart = outp + bytesperline; | |
360 | ||
361 | linesdone = dma_q->pos / bytesperline; | |
362 | currlinedone = dma_q->pos % bytesperline; | |
363 | offset = linesdone * bytesperline * 2 + currlinedone; | |
364 | startwrite = fieldstart + offset; | |
365 | lencopy = bytesperline - currlinedone; | |
366 | lencopy = lencopy > remain ? remain : lencopy; | |
367 | ||
368 | if ((char *)startwrite + lencopy > (char *)outp + buf->vb.size) { | |
369 | au0828_isocdbg("Overflow of %zi bytes past buffer end (1)\n", | |
370 | ((char *)startwrite + lencopy) - | |
371 | ((char *)outp + buf->vb.size)); | |
372 | remain = (char *)outp + buf->vb.size - (char *)startwrite; | |
373 | lencopy = remain; | |
374 | } | |
375 | if (lencopy <= 0) | |
376 | return; | |
377 | memcpy(startwrite, startread, lencopy); | |
378 | ||
379 | remain -= lencopy; | |
380 | ||
381 | while (remain > 0) { | |
382 | startwrite += lencopy + bytesperline; | |
383 | startread += lencopy; | |
384 | if (bytesperline > remain) | |
385 | lencopy = remain; | |
386 | else | |
387 | lencopy = bytesperline; | |
388 | ||
389 | if ((char *)startwrite + lencopy > (char *)outp + | |
390 | buf->vb.size) { | |
62899a28 | 391 | au0828_isocdbg("Overflow %zi bytes past buf end (2)\n", |
8b2f0795 DH |
392 | ((char *)startwrite + lencopy) - |
393 | ((char *)outp + buf->vb.size)); | |
394 | lencopy = remain = (char *)outp + buf->vb.size - | |
395 | (char *)startwrite; | |
396 | } | |
397 | if (lencopy <= 0) | |
398 | break; | |
399 | ||
400 | memcpy(startwrite, startread, lencopy); | |
401 | ||
402 | remain -= lencopy; | |
403 | } | |
404 | ||
405 | if (offset > 1440) { | |
406 | /* We have enough data to check for greenscreen */ | |
62899a28 | 407 | if (outp[0] < 0x60 && outp[1440] < 0x60) |
8b2f0795 | 408 | dev->greenscreen_detected = 1; |
8b2f0795 DH |
409 | } |
410 | ||
411 | dma_q->pos += len; | |
412 | } | |
413 | ||
414 | /* | |
415 | * video-buf generic routine to get the next available buffer | |
416 | */ | |
417 | static inline void get_next_buf(struct au0828_dmaqueue *dma_q, | |
418 | struct au0828_buffer **buf) | |
419 | { | |
420 | struct au0828_dev *dev = container_of(dma_q, struct au0828_dev, vidq); | |
421 | ||
422 | if (list_empty(&dma_q->active)) { | |
423 | au0828_isocdbg("No active queue to serve\n"); | |
424 | dev->isoc_ctl.buf = NULL; | |
425 | *buf = NULL; | |
426 | return; | |
427 | } | |
428 | ||
429 | /* Get the next buffer */ | |
430 | *buf = list_entry(dma_q->active.next, struct au0828_buffer, vb.queue); | |
431 | dev->isoc_ctl.buf = *buf; | |
432 | ||
433 | return; | |
434 | } | |
435 | ||
7f8eacd2 DH |
436 | static void au0828_copy_vbi(struct au0828_dev *dev, |
437 | struct au0828_dmaqueue *dma_q, | |
438 | struct au0828_buffer *buf, | |
439 | unsigned char *p, | |
440 | unsigned char *outp, unsigned long len) | |
441 | { | |
442 | unsigned char *startwrite, *startread; | |
b5f5933a | 443 | int bytesperline; |
7f8eacd2 DH |
444 | int i, j = 0; |
445 | ||
446 | if (dev == NULL) { | |
447 | au0828_isocdbg("dev is null\n"); | |
448 | return; | |
449 | } | |
450 | ||
451 | if (dma_q == NULL) { | |
452 | au0828_isocdbg("dma_q is null\n"); | |
453 | return; | |
454 | } | |
455 | if (buf == NULL) | |
456 | return; | |
457 | if (p == NULL) { | |
458 | au0828_isocdbg("p is null\n"); | |
459 | return; | |
460 | } | |
461 | if (outp == NULL) { | |
462 | au0828_isocdbg("outp is null\n"); | |
463 | return; | |
464 | } | |
465 | ||
b5f5933a DC |
466 | bytesperline = dev->vbi_width; |
467 | ||
7f8eacd2 DH |
468 | if (dma_q->pos + len > buf->vb.size) |
469 | len = buf->vb.size - dma_q->pos; | |
470 | ||
471 | startread = p; | |
472 | startwrite = outp + (dma_q->pos / 2); | |
473 | ||
474 | /* Make sure the bottom field populates the second half of the frame */ | |
475 | if (buf->top_field == 0) | |
476 | startwrite += bytesperline * dev->vbi_height; | |
477 | ||
478 | for (i = 0; i < len; i += 2) | |
479 | startwrite[j++] = startread[i+1]; | |
480 | ||
481 | dma_q->pos += len; | |
482 | } | |
483 | ||
484 | ||
485 | /* | |
486 | * video-buf generic routine to get the next available VBI buffer | |
487 | */ | |
488 | static inline void vbi_get_next_buf(struct au0828_dmaqueue *dma_q, | |
489 | struct au0828_buffer **buf) | |
490 | { | |
491 | struct au0828_dev *dev = container_of(dma_q, struct au0828_dev, vbiq); | |
492 | char *outp; | |
493 | ||
494 | if (list_empty(&dma_q->active)) { | |
495 | au0828_isocdbg("No active queue to serve\n"); | |
496 | dev->isoc_ctl.vbi_buf = NULL; | |
497 | *buf = NULL; | |
498 | return; | |
499 | } | |
500 | ||
501 | /* Get the next buffer */ | |
502 | *buf = list_entry(dma_q->active.next, struct au0828_buffer, vb.queue); | |
25985edc | 503 | /* Cleans up buffer - Useful for testing for frame/URB loss */ |
7f8eacd2 DH |
504 | outp = videobuf_to_vmalloc(&(*buf)->vb); |
505 | memset(outp, 0x00, (*buf)->vb.size); | |
506 | ||
507 | dev->isoc_ctl.vbi_buf = *buf; | |
508 | ||
509 | return; | |
510 | } | |
511 | ||
8b2f0795 DH |
512 | /* |
513 | * Controls the isoc copy of each urb packet | |
514 | */ | |
515 | static inline int au0828_isoc_copy(struct au0828_dev *dev, struct urb *urb) | |
516 | { | |
517 | struct au0828_buffer *buf; | |
7f8eacd2 | 518 | struct au0828_buffer *vbi_buf; |
8b2f0795 | 519 | struct au0828_dmaqueue *dma_q = urb->context; |
7f8eacd2 | 520 | struct au0828_dmaqueue *vbi_dma_q = &dev->vbiq; |
8b2f0795 | 521 | unsigned char *outp = NULL; |
7f8eacd2 | 522 | unsigned char *vbioutp = NULL; |
8b2f0795 DH |
523 | int i, len = 0, rc = 1; |
524 | unsigned char *p; | |
525 | unsigned char fbyte; | |
7f8eacd2 DH |
526 | unsigned int vbi_field_size; |
527 | unsigned int remain, lencopy; | |
8b2f0795 DH |
528 | |
529 | if (!dev) | |
530 | return 0; | |
531 | ||
532 | if ((dev->dev_state & DEV_DISCONNECTED) || | |
533 | (dev->dev_state & DEV_MISCONFIGURED)) | |
534 | return 0; | |
535 | ||
536 | if (urb->status < 0) { | |
537 | print_err_status(dev, -1, urb->status); | |
538 | if (urb->status == -ENOENT) | |
539 | return 0; | |
540 | } | |
541 | ||
542 | buf = dev->isoc_ctl.buf; | |
543 | if (buf != NULL) | |
544 | outp = videobuf_to_vmalloc(&buf->vb); | |
545 | ||
7f8eacd2 DH |
546 | vbi_buf = dev->isoc_ctl.vbi_buf; |
547 | if (vbi_buf != NULL) | |
548 | vbioutp = videobuf_to_vmalloc(&vbi_buf->vb); | |
549 | ||
8b2f0795 DH |
550 | for (i = 0; i < urb->number_of_packets; i++) { |
551 | int status = urb->iso_frame_desc[i].status; | |
552 | ||
553 | if (status < 0) { | |
554 | print_err_status(dev, i, status); | |
555 | if (urb->iso_frame_desc[i].status != -EPROTO) | |
556 | continue; | |
557 | } | |
558 | ||
62899a28 | 559 | if (urb->iso_frame_desc[i].actual_length <= 0) |
8b2f0795 | 560 | continue; |
62899a28 | 561 | |
8b2f0795 DH |
562 | if (urb->iso_frame_desc[i].actual_length > |
563 | dev->max_pkt_size) { | |
564 | au0828_isocdbg("packet bigger than packet size"); | |
565 | continue; | |
566 | } | |
567 | ||
568 | p = urb->transfer_buffer + urb->iso_frame_desc[i].offset; | |
569 | fbyte = p[0]; | |
570 | len = urb->iso_frame_desc[i].actual_length - 4; | |
571 | p += 4; | |
572 | ||
573 | if (fbyte & 0x80) { | |
574 | len -= 4; | |
575 | p += 4; | |
576 | au0828_isocdbg("Video frame %s\n", | |
577 | (fbyte & 0x40) ? "odd" : "even"); | |
bde3bb9a | 578 | if (fbyte & 0x40) { |
7f8eacd2 DH |
579 | /* VBI */ |
580 | if (vbi_buf != NULL) | |
581 | vbi_buffer_filled(dev, | |
582 | vbi_dma_q, | |
583 | vbi_buf); | |
584 | vbi_get_next_buf(vbi_dma_q, &vbi_buf); | |
585 | if (vbi_buf == NULL) | |
586 | vbioutp = NULL; | |
587 | else | |
588 | vbioutp = videobuf_to_vmalloc( | |
589 | &vbi_buf->vb); | |
590 | ||
591 | /* Video */ | |
8b2f0795 DH |
592 | if (buf != NULL) |
593 | buffer_filled(dev, dma_q, buf); | |
594 | get_next_buf(dma_q, &buf); | |
62899a28 | 595 | if (buf == NULL) |
8b2f0795 | 596 | outp = NULL; |
62899a28 | 597 | else |
8b2f0795 | 598 | outp = videobuf_to_vmalloc(&buf->vb); |
78ca5005 DH |
599 | |
600 | /* As long as isoc traffic is arriving, keep | |
601 | resetting the timer */ | |
602 | if (dev->vid_timeout_running) | |
603 | mod_timer(&dev->vid_timeout, | |
604 | jiffies + (HZ / 10)); | |
605 | if (dev->vbi_timeout_running) | |
606 | mod_timer(&dev->vbi_timeout, | |
607 | jiffies + (HZ / 10)); | |
8b2f0795 DH |
608 | } |
609 | ||
610 | if (buf != NULL) { | |
62899a28 | 611 | if (fbyte & 0x40) |
8b2f0795 | 612 | buf->top_field = 1; |
62899a28 | 613 | else |
8b2f0795 | 614 | buf->top_field = 0; |
8b2f0795 DH |
615 | } |
616 | ||
7f8eacd2 DH |
617 | if (vbi_buf != NULL) { |
618 | if (fbyte & 0x40) | |
619 | vbi_buf->top_field = 1; | |
620 | else | |
621 | vbi_buf->top_field = 0; | |
622 | } | |
623 | ||
624 | dev->vbi_read = 0; | |
625 | vbi_dma_q->pos = 0; | |
8b2f0795 DH |
626 | dma_q->pos = 0; |
627 | } | |
7f8eacd2 DH |
628 | |
629 | vbi_field_size = dev->vbi_width * dev->vbi_height * 2; | |
630 | if (dev->vbi_read < vbi_field_size) { | |
631 | remain = vbi_field_size - dev->vbi_read; | |
632 | if (len < remain) | |
633 | lencopy = len; | |
634 | else | |
635 | lencopy = remain; | |
636 | ||
637 | if (vbi_buf != NULL) | |
638 | au0828_copy_vbi(dev, vbi_dma_q, vbi_buf, p, | |
639 | vbioutp, len); | |
640 | ||
641 | len -= lencopy; | |
642 | p += lencopy; | |
643 | dev->vbi_read += lencopy; | |
644 | } | |
645 | ||
646 | if (dev->vbi_read >= vbi_field_size && buf != NULL) | |
8b2f0795 | 647 | au0828_copy_video(dev, dma_q, buf, p, outp, len); |
8b2f0795 DH |
648 | } |
649 | return rc; | |
650 | } | |
651 | ||
652 | static int | |
653 | buffer_setup(struct videobuf_queue *vq, unsigned int *count, | |
654 | unsigned int *size) | |
655 | { | |
656 | struct au0828_fh *fh = vq->priv_data; | |
657 | *size = (fh->dev->width * fh->dev->height * 16 + 7) >> 3; | |
658 | ||
659 | if (0 == *count) | |
660 | *count = AU0828_DEF_BUF; | |
661 | ||
662 | if (*count < AU0828_MIN_BUF) | |
663 | *count = AU0828_MIN_BUF; | |
664 | return 0; | |
665 | } | |
666 | ||
667 | /* This is called *without* dev->slock held; please keep it that way */ | |
668 | static void free_buffer(struct videobuf_queue *vq, struct au0828_buffer *buf) | |
669 | { | |
670 | struct au0828_fh *fh = vq->priv_data; | |
671 | struct au0828_dev *dev = fh->dev; | |
672 | unsigned long flags = 0; | |
673 | if (in_interrupt()) | |
674 | BUG(); | |
675 | ||
676 | /* We used to wait for the buffer to finish here, but this didn't work | |
677 | because, as we were keeping the state as VIDEOBUF_QUEUED, | |
678 | videobuf_queue_cancel marked it as finished for us. | |
679 | (Also, it could wedge forever if the hardware was misconfigured.) | |
680 | ||
681 | This should be safe; by the time we get here, the buffer isn't | |
682 | queued anymore. If we ever start marking the buffers as | |
683 | VIDEOBUF_ACTIVE, it won't be, though. | |
684 | */ | |
685 | spin_lock_irqsave(&dev->slock, flags); | |
686 | if (dev->isoc_ctl.buf == buf) | |
687 | dev->isoc_ctl.buf = NULL; | |
688 | spin_unlock_irqrestore(&dev->slock, flags); | |
689 | ||
690 | videobuf_vmalloc_free(&buf->vb); | |
691 | buf->vb.state = VIDEOBUF_NEEDS_INIT; | |
692 | } | |
693 | ||
694 | static int | |
695 | buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, | |
696 | enum v4l2_field field) | |
697 | { | |
698 | struct au0828_fh *fh = vq->priv_data; | |
699 | struct au0828_buffer *buf = container_of(vb, struct au0828_buffer, vb); | |
700 | struct au0828_dev *dev = fh->dev; | |
701 | int rc = 0, urb_init = 0; | |
702 | ||
703 | buf->vb.size = (fh->dev->width * fh->dev->height * 16 + 7) >> 3; | |
704 | ||
705 | if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) | |
706 | return -EINVAL; | |
707 | ||
708 | buf->vb.width = dev->width; | |
709 | buf->vb.height = dev->height; | |
710 | buf->vb.field = field; | |
711 | ||
712 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { | |
713 | rc = videobuf_iolock(vq, &buf->vb, NULL); | |
714 | if (rc < 0) { | |
62899a28 | 715 | printk(KERN_INFO "videobuf_iolock failed\n"); |
8b2f0795 DH |
716 | goto fail; |
717 | } | |
718 | } | |
719 | ||
720 | if (!dev->isoc_ctl.num_bufs) | |
721 | urb_init = 1; | |
722 | ||
723 | if (urb_init) { | |
724 | rc = au0828_init_isoc(dev, AU0828_ISO_PACKETS_PER_URB, | |
725 | AU0828_MAX_ISO_BUFS, dev->max_pkt_size, | |
726 | au0828_isoc_copy); | |
727 | if (rc < 0) { | |
62899a28 | 728 | printk(KERN_INFO "au0828_init_isoc failed\n"); |
8b2f0795 DH |
729 | goto fail; |
730 | } | |
731 | } | |
732 | ||
733 | buf->vb.state = VIDEOBUF_PREPARED; | |
734 | return 0; | |
735 | ||
736 | fail: | |
737 | free_buffer(vq, buf); | |
738 | return rc; | |
739 | } | |
740 | ||
741 | static void | |
742 | buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) | |
743 | { | |
744 | struct au0828_buffer *buf = container_of(vb, | |
745 | struct au0828_buffer, | |
746 | vb); | |
747 | struct au0828_fh *fh = vq->priv_data; | |
748 | struct au0828_dev *dev = fh->dev; | |
749 | struct au0828_dmaqueue *vidq = &dev->vidq; | |
750 | ||
751 | buf->vb.state = VIDEOBUF_QUEUED; | |
752 | list_add_tail(&buf->vb.queue, &vidq->active); | |
753 | } | |
754 | ||
755 | static void buffer_release(struct videobuf_queue *vq, | |
756 | struct videobuf_buffer *vb) | |
757 | { | |
758 | struct au0828_buffer *buf = container_of(vb, | |
759 | struct au0828_buffer, | |
760 | vb); | |
761 | ||
762 | free_buffer(vq, buf); | |
763 | } | |
764 | ||
765 | static struct videobuf_queue_ops au0828_video_qops = { | |
766 | .buf_setup = buffer_setup, | |
767 | .buf_prepare = buffer_prepare, | |
768 | .buf_queue = buffer_queue, | |
769 | .buf_release = buffer_release, | |
770 | }; | |
771 | ||
772 | /* ------------------------------------------------------------------ | |
773 | V4L2 interface | |
774 | ------------------------------------------------------------------*/ | |
775 | ||
776 | static int au0828_i2s_init(struct au0828_dev *dev) | |
777 | { | |
778 | /* Enable i2s mode */ | |
779 | au0828_writereg(dev, AU0828_AUDIOCTRL_50C, 0x01); | |
780 | return 0; | |
781 | } | |
782 | ||
783 | /* | |
784 | * Auvitek au0828 analog stream enable | |
785 | * Please set interface0 to AS5 before enable the stream | |
786 | */ | |
a094ca46 | 787 | static int au0828_analog_stream_enable(struct au0828_dev *d) |
8b2f0795 DH |
788 | { |
789 | dprintk(1, "au0828_analog_stream_enable called\n"); | |
790 | au0828_writereg(d, AU0828_SENSORCTRL_VBI_103, 0x00); | |
791 | au0828_writereg(d, 0x106, 0x00); | |
792 | /* set x position */ | |
793 | au0828_writereg(d, 0x110, 0x00); | |
794 | au0828_writereg(d, 0x111, 0x00); | |
795 | au0828_writereg(d, 0x114, 0xa0); | |
796 | au0828_writereg(d, 0x115, 0x05); | |
797 | /* set y position */ | |
7f8eacd2 | 798 | au0828_writereg(d, 0x112, 0x00); |
8b2f0795 DH |
799 | au0828_writereg(d, 0x113, 0x00); |
800 | au0828_writereg(d, 0x116, 0xf2); | |
801 | au0828_writereg(d, 0x117, 0x00); | |
802 | au0828_writereg(d, AU0828_SENSORCTRL_100, 0xb3); | |
803 | ||
804 | return 0; | |
805 | } | |
806 | ||
807 | int au0828_analog_stream_disable(struct au0828_dev *d) | |
808 | { | |
809 | dprintk(1, "au0828_analog_stream_disable called\n"); | |
810 | au0828_writereg(d, AU0828_SENSORCTRL_100, 0x0); | |
811 | return 0; | |
812 | } | |
813 | ||
a094ca46 | 814 | static void au0828_analog_stream_reset(struct au0828_dev *dev) |
8b2f0795 DH |
815 | { |
816 | dprintk(1, "au0828_analog_stream_reset called\n"); | |
817 | au0828_writereg(dev, AU0828_SENSORCTRL_100, 0x0); | |
818 | mdelay(30); | |
819 | au0828_writereg(dev, AU0828_SENSORCTRL_100, 0xb3); | |
820 | } | |
821 | ||
822 | /* | |
823 | * Some operations needs to stop current streaming | |
824 | */ | |
825 | static int au0828_stream_interrupt(struct au0828_dev *dev) | |
826 | { | |
827 | int ret = 0; | |
828 | ||
829 | dev->stream_state = STREAM_INTERRUPT; | |
62899a28 | 830 | if (dev->dev_state == DEV_DISCONNECTED) |
8b2f0795 | 831 | return -ENODEV; |
62899a28 | 832 | else if (ret) { |
8b2f0795 | 833 | dev->dev_state = DEV_MISCONFIGURED; |
62899a28 | 834 | dprintk(1, "%s device is misconfigured!\n", __func__); |
8b2f0795 DH |
835 | return ret; |
836 | } | |
837 | return 0; | |
838 | } | |
839 | ||
840 | /* | |
841 | * au0828_release_resources | |
842 | * unregister v4l2 devices | |
843 | */ | |
844 | void au0828_analog_unregister(struct au0828_dev *dev) | |
845 | { | |
846 | dprintk(1, "au0828_release_resources called\n"); | |
847 | mutex_lock(&au0828_sysfs_lock); | |
848 | ||
63b0d5ad | 849 | if (dev->vdev) |
5a5a4e16 DH |
850 | video_unregister_device(dev->vdev); |
851 | if (dev->vbi_dev) | |
852 | video_unregister_device(dev->vbi_dev); | |
8b2f0795 DH |
853 | |
854 | mutex_unlock(&au0828_sysfs_lock); | |
855 | } | |
856 | ||
857 | ||
858 | /* Usage lock check functions */ | |
7f8eacd2 | 859 | static int res_get(struct au0828_fh *fh, unsigned int bit) |
8b2f0795 | 860 | { |
7f8eacd2 | 861 | struct au0828_dev *dev = fh->dev; |
8b2f0795 | 862 | |
7f8eacd2 DH |
863 | if (fh->resources & bit) |
864 | /* have it already allocated */ | |
865 | return 1; | |
8b2f0795 | 866 | |
7f8eacd2 | 867 | /* is it free? */ |
7f8eacd2 DH |
868 | if (dev->resources & bit) { |
869 | /* no, someone else uses it */ | |
7f8eacd2 DH |
870 | return 0; |
871 | } | |
872 | /* it's free, grab it */ | |
873 | fh->resources |= bit; | |
874 | dev->resources |= bit; | |
875 | dprintk(1, "res: get %d\n", bit); | |
549ee4df | 876 | |
7f8eacd2 DH |
877 | return 1; |
878 | } | |
8b2f0795 | 879 | |
7f8eacd2 DH |
880 | static int res_check(struct au0828_fh *fh, unsigned int bit) |
881 | { | |
882 | return fh->resources & bit; | |
8b2f0795 DH |
883 | } |
884 | ||
7f8eacd2 | 885 | static int res_locked(struct au0828_dev *dev, unsigned int bit) |
8b2f0795 | 886 | { |
7f8eacd2 | 887 | return dev->resources & bit; |
8b2f0795 DH |
888 | } |
889 | ||
7f8eacd2 | 890 | static void res_free(struct au0828_fh *fh, unsigned int bits) |
8b2f0795 | 891 | { |
7f8eacd2 DH |
892 | struct au0828_dev *dev = fh->dev; |
893 | ||
894 | BUG_ON((fh->resources & bits) != bits); | |
8b2f0795 | 895 | |
7f8eacd2 DH |
896 | fh->resources &= ~bits; |
897 | dev->resources &= ~bits; | |
898 | dprintk(1, "res: put %d\n", bits); | |
7f8eacd2 DH |
899 | } |
900 | ||
901 | static int get_ressource(struct au0828_fh *fh) | |
902 | { | |
903 | switch (fh->type) { | |
904 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
905 | return AU0828_RESOURCE_VIDEO; | |
906 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
907 | return AU0828_RESOURCE_VBI; | |
908 | default: | |
909 | BUG(); | |
910 | return 0; | |
911 | } | |
8b2f0795 DH |
912 | } |
913 | ||
6e04b7b9 DH |
914 | /* This function ensures that video frames continue to be delivered even if |
915 | the ITU-656 input isn't receiving any data (thereby preventing applications | |
916 | such as tvtime from hanging) */ | |
a094ca46 | 917 | static void au0828_vid_buffer_timeout(unsigned long data) |
6e04b7b9 DH |
918 | { |
919 | struct au0828_dev *dev = (struct au0828_dev *) data; | |
920 | struct au0828_dmaqueue *dma_q = &dev->vidq; | |
921 | struct au0828_buffer *buf; | |
922 | unsigned char *vid_data; | |
78ca5005 | 923 | unsigned long flags = 0; |
6e04b7b9 | 924 | |
78ca5005 | 925 | spin_lock_irqsave(&dev->slock, flags); |
6e04b7b9 DH |
926 | |
927 | buf = dev->isoc_ctl.buf; | |
928 | if (buf != NULL) { | |
929 | vid_data = videobuf_to_vmalloc(&buf->vb); | |
930 | memset(vid_data, 0x00, buf->vb.size); /* Blank green frame */ | |
931 | buffer_filled(dev, dma_q, buf); | |
6e04b7b9 | 932 | } |
78ca5005 DH |
933 | get_next_buf(dma_q, &buf); |
934 | ||
935 | if (dev->vid_timeout_running == 1) | |
936 | mod_timer(&dev->vid_timeout, jiffies + (HZ / 10)); | |
6e04b7b9 | 937 | |
78ca5005 | 938 | spin_unlock_irqrestore(&dev->slock, flags); |
6e04b7b9 DH |
939 | } |
940 | ||
a094ca46 | 941 | static void au0828_vbi_buffer_timeout(unsigned long data) |
6e04b7b9 DH |
942 | { |
943 | struct au0828_dev *dev = (struct au0828_dev *) data; | |
944 | struct au0828_dmaqueue *dma_q = &dev->vbiq; | |
945 | struct au0828_buffer *buf; | |
946 | unsigned char *vbi_data; | |
78ca5005 | 947 | unsigned long flags = 0; |
6e04b7b9 | 948 | |
78ca5005 | 949 | spin_lock_irqsave(&dev->slock, flags); |
6e04b7b9 DH |
950 | |
951 | buf = dev->isoc_ctl.vbi_buf; | |
952 | if (buf != NULL) { | |
953 | vbi_data = videobuf_to_vmalloc(&buf->vb); | |
954 | memset(vbi_data, 0x00, buf->vb.size); | |
955 | vbi_buffer_filled(dev, dma_q, buf); | |
6e04b7b9 | 956 | } |
78ca5005 | 957 | vbi_get_next_buf(dma_q, &buf); |
6e04b7b9 | 958 | |
78ca5005 DH |
959 | if (dev->vbi_timeout_running == 1) |
960 | mod_timer(&dev->vbi_timeout, jiffies + (HZ / 10)); | |
961 | spin_unlock_irqrestore(&dev->slock, flags); | |
6e04b7b9 DH |
962 | } |
963 | ||
964 | ||
8b2f0795 DH |
965 | static int au0828_v4l2_open(struct file *filp) |
966 | { | |
8b2f0795 | 967 | int ret = 0; |
7f8eacd2 | 968 | struct video_device *vdev = video_devdata(filp); |
63b0d5ad | 969 | struct au0828_dev *dev = video_drvdata(filp); |
8b2f0795 | 970 | struct au0828_fh *fh; |
7f8eacd2 | 971 | int type; |
63b0d5ad | 972 | |
7f8eacd2 DH |
973 | switch (vdev->vfl_type) { |
974 | case VFL_TYPE_GRABBER: | |
975 | type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
976 | break; | |
977 | case VFL_TYPE_VBI: | |
63b0d5ad | 978 | type = V4L2_BUF_TYPE_VBI_CAPTURE; |
7f8eacd2 DH |
979 | break; |
980 | default: | |
981 | return -EINVAL; | |
982 | } | |
8b2f0795 DH |
983 | |
984 | fh = kzalloc(sizeof(struct au0828_fh), GFP_KERNEL); | |
62899a28 | 985 | if (NULL == fh) { |
8b2f0795 DH |
986 | dprintk(1, "Failed allocate au0828_fh struct!\n"); |
987 | return -ENOMEM; | |
988 | } | |
989 | ||
990 | fh->type = type; | |
991 | fh->dev = dev; | |
83b09422 | 992 | v4l2_fh_init(&fh->fh, vdev); |
8b2f0795 DH |
993 | filp->private_data = fh; |
994 | ||
62899a28 | 995 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->users == 0) { |
8b2f0795 DH |
996 | /* set au0828 interface0 to AS5 here again */ |
997 | ret = usb_set_interface(dev->usbdev, 0, 5); | |
62899a28 DH |
998 | if (ret < 0) { |
999 | printk(KERN_INFO "Au0828 can't set alternate to 5!\n"); | |
8b2f0795 DH |
1000 | return -EBUSY; |
1001 | } | |
1002 | dev->width = NTSC_STD_W; | |
1003 | dev->height = NTSC_STD_H; | |
1004 | dev->frame_size = dev->width * dev->height * 2; | |
1005 | dev->field_size = dev->width * dev->height; | |
1006 | dev->bytesperline = dev->width * 2; | |
1007 | ||
1008 | au0828_analog_stream_enable(dev); | |
1009 | au0828_analog_stream_reset(dev); | |
1010 | ||
1011 | /* If we were doing ac97 instead of i2s, it would go here...*/ | |
1012 | au0828_i2s_init(dev); | |
1013 | ||
1014 | dev->stream_state = STREAM_OFF; | |
1015 | dev->dev_state |= DEV_INITIALIZED; | |
1016 | } | |
1017 | ||
1018 | dev->users++; | |
1019 | ||
1020 | videobuf_queue_vmalloc_init(&fh->vb_vidq, &au0828_video_qops, | |
7f8eacd2 DH |
1021 | NULL, &dev->slock, |
1022 | V4L2_BUF_TYPE_VIDEO_CAPTURE, | |
8b2f0795 | 1023 | V4L2_FIELD_INTERLACED, |
549ee4df DH |
1024 | sizeof(struct au0828_buffer), fh, |
1025 | &dev->lock); | |
8b2f0795 | 1026 | |
7f8eacd2 DH |
1027 | /* VBI Setup */ |
1028 | dev->vbi_width = 720; | |
1029 | dev->vbi_height = 1; | |
1030 | videobuf_queue_vmalloc_init(&fh->vb_vbiq, &au0828_vbi_qops, | |
1031 | NULL, &dev->slock, | |
1032 | V4L2_BUF_TYPE_VBI_CAPTURE, | |
1033 | V4L2_FIELD_SEQ_TB, | |
549ee4df DH |
1034 | sizeof(struct au0828_buffer), fh, |
1035 | &dev->lock); | |
83b09422 | 1036 | v4l2_fh_add(&fh->fh); |
8b2f0795 DH |
1037 | return ret; |
1038 | } | |
1039 | ||
1040 | static int au0828_v4l2_close(struct file *filp) | |
1041 | { | |
1042 | int ret; | |
1043 | struct au0828_fh *fh = filp->private_data; | |
1044 | struct au0828_dev *dev = fh->dev; | |
1045 | ||
83b09422 HV |
1046 | v4l2_fh_del(&fh->fh); |
1047 | v4l2_fh_exit(&fh->fh); | |
7f8eacd2 | 1048 | if (res_check(fh, AU0828_RESOURCE_VIDEO)) { |
78ca5005 DH |
1049 | /* Cancel timeout thread in case they didn't call streamoff */ |
1050 | dev->vid_timeout_running = 0; | |
1051 | del_timer_sync(&dev->vid_timeout); | |
1052 | ||
8b2f0795 | 1053 | videobuf_stop(&fh->vb_vidq); |
7f8eacd2 DH |
1054 | res_free(fh, AU0828_RESOURCE_VIDEO); |
1055 | } | |
8b2f0795 | 1056 | |
7f8eacd2 | 1057 | if (res_check(fh, AU0828_RESOURCE_VBI)) { |
78ca5005 DH |
1058 | /* Cancel timeout thread in case they didn't call streamoff */ |
1059 | dev->vbi_timeout_running = 0; | |
1060 | del_timer_sync(&dev->vbi_timeout); | |
1061 | ||
7f8eacd2 DH |
1062 | videobuf_stop(&fh->vb_vbiq); |
1063 | res_free(fh, AU0828_RESOURCE_VBI); | |
1064 | } | |
1065 | ||
1066 | if (dev->users == 1) { | |
62899a28 | 1067 | if (dev->dev_state & DEV_DISCONNECTED) { |
8b2f0795 | 1068 | au0828_analog_unregister(dev); |
83b09422 | 1069 | kfree(fh); |
8b2f0795 DH |
1070 | kfree(dev); |
1071 | return 0; | |
1072 | } | |
1073 | ||
1074 | au0828_analog_stream_disable(dev); | |
1075 | ||
1076 | au0828_uninit_isoc(dev); | |
1077 | ||
e4b8bc52 | 1078 | /* Save some power by putting tuner to sleep */ |
622b828a | 1079 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_power, 0); |
e4b8bc52 | 1080 | |
8b2f0795 DH |
1081 | /* When close the device, set the usb intf0 into alt0 to free |
1082 | USB bandwidth */ | |
1083 | ret = usb_set_interface(dev->usbdev, 0, 0); | |
62899a28 DH |
1084 | if (ret < 0) |
1085 | printk(KERN_INFO "Au0828 can't set alternate to 0!\n"); | |
8b2f0795 DH |
1086 | } |
1087 | ||
7f8eacd2 DH |
1088 | videobuf_mmap_free(&fh->vb_vidq); |
1089 | videobuf_mmap_free(&fh->vb_vbiq); | |
8b2f0795 DH |
1090 | kfree(fh); |
1091 | dev->users--; | |
1092 | wake_up_interruptible_nr(&dev->open, 1); | |
8b2f0795 DH |
1093 | return 0; |
1094 | } | |
1095 | ||
1096 | static ssize_t au0828_v4l2_read(struct file *filp, char __user *buf, | |
1097 | size_t count, loff_t *pos) | |
1098 | { | |
1099 | struct au0828_fh *fh = filp->private_data; | |
1100 | struct au0828_dev *dev = fh->dev; | |
1101 | int rc; | |
1102 | ||
1103 | rc = check_dev(dev); | |
1104 | if (rc < 0) | |
1105 | return rc; | |
1106 | ||
62899a28 | 1107 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
7f8eacd2 DH |
1108 | if (res_locked(dev, AU0828_RESOURCE_VIDEO)) |
1109 | return -EBUSY; | |
8b2f0795 DH |
1110 | |
1111 | return videobuf_read_stream(&fh->vb_vidq, buf, count, pos, 0, | |
1112 | filp->f_flags & O_NONBLOCK); | |
1113 | } | |
7f8eacd2 DH |
1114 | |
1115 | if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { | |
1116 | if (!res_get(fh, AU0828_RESOURCE_VBI)) | |
1117 | return -EBUSY; | |
1118 | ||
bf797165 DH |
1119 | if (dev->vbi_timeout_running == 0) { |
1120 | /* Handle case where caller tries to read without | |
1121 | calling streamon first */ | |
1122 | dev->vbi_timeout_running = 1; | |
1123 | mod_timer(&dev->vbi_timeout, jiffies + (HZ / 10)); | |
1124 | } | |
1125 | ||
7f8eacd2 DH |
1126 | return videobuf_read_stream(&fh->vb_vbiq, buf, count, pos, 0, |
1127 | filp->f_flags & O_NONBLOCK); | |
1128 | } | |
1129 | ||
8b2f0795 DH |
1130 | return 0; |
1131 | } | |
1132 | ||
1133 | static unsigned int au0828_v4l2_poll(struct file *filp, poll_table *wait) | |
1134 | { | |
1135 | struct au0828_fh *fh = filp->private_data; | |
1136 | struct au0828_dev *dev = fh->dev; | |
83b09422 HV |
1137 | unsigned long req_events = poll_requested_events(wait); |
1138 | unsigned int res; | |
8b2f0795 | 1139 | |
83b09422 HV |
1140 | if (check_dev(dev) < 0) |
1141 | return POLLERR; | |
1142 | ||
1143 | res = v4l2_ctrl_poll(filp, wait); | |
1144 | if (!(req_events & (POLLIN | POLLRDNORM))) | |
1145 | return res; | |
8b2f0795 | 1146 | |
7f8eacd2 DH |
1147 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
1148 | if (!res_get(fh, AU0828_RESOURCE_VIDEO)) | |
1149 | return POLLERR; | |
83b09422 HV |
1150 | return res | videobuf_poll_stream(filp, &fh->vb_vidq, wait); |
1151 | } | |
1152 | if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { | |
7f8eacd2 DH |
1153 | if (!res_get(fh, AU0828_RESOURCE_VBI)) |
1154 | return POLLERR; | |
83b09422 | 1155 | return res | videobuf_poll_stream(filp, &fh->vb_vbiq, wait); |
7f8eacd2 | 1156 | } |
83b09422 | 1157 | return POLLERR; |
8b2f0795 DH |
1158 | } |
1159 | ||
1160 | static int au0828_v4l2_mmap(struct file *filp, struct vm_area_struct *vma) | |
1161 | { | |
1162 | struct au0828_fh *fh = filp->private_data; | |
1163 | struct au0828_dev *dev = fh->dev; | |
1164 | int rc; | |
1165 | ||
1166 | rc = check_dev(dev); | |
1167 | if (rc < 0) | |
1168 | return rc; | |
1169 | ||
7f8eacd2 DH |
1170 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1171 | rc = videobuf_mmap_mapper(&fh->vb_vidq, vma); | |
1172 | else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) | |
1173 | rc = videobuf_mmap_mapper(&fh->vb_vbiq, vma); | |
8b2f0795 | 1174 | |
8b2f0795 DH |
1175 | return rc; |
1176 | } | |
1177 | ||
1178 | static int au0828_set_format(struct au0828_dev *dev, unsigned int cmd, | |
1179 | struct v4l2_format *format) | |
1180 | { | |
1181 | int ret; | |
1182 | int width = format->fmt.pix.width; | |
1183 | int height = format->fmt.pix.height; | |
8b2f0795 | 1184 | |
8b2f0795 DH |
1185 | /* If they are demanding a format other than the one we support, |
1186 | bail out (tvtime asks for UYVY and then retries with YUYV) */ | |
62899a28 | 1187 | if (format->fmt.pix.pixelformat != V4L2_PIX_FMT_UYVY) |
8b2f0795 | 1188 | return -EINVAL; |
8b2f0795 DH |
1189 | |
1190 | /* format->fmt.pix.width only support 720 and height 480 */ | |
62899a28 | 1191 | if (width != 720) |
8b2f0795 | 1192 | width = 720; |
62899a28 | 1193 | if (height != 480) |
8b2f0795 DH |
1194 | height = 480; |
1195 | ||
1196 | format->fmt.pix.width = width; | |
1197 | format->fmt.pix.height = height; | |
1198 | format->fmt.pix.pixelformat = V4L2_PIX_FMT_UYVY; | |
1199 | format->fmt.pix.bytesperline = width * 2; | |
1200 | format->fmt.pix.sizeimage = width * height * 2; | |
1201 | format->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; | |
1202 | format->fmt.pix.field = V4L2_FIELD_INTERLACED; | |
8d86e4e8 | 1203 | format->fmt.pix.priv = 0; |
8b2f0795 | 1204 | |
62899a28 | 1205 | if (cmd == VIDIOC_TRY_FMT) |
8b2f0795 DH |
1206 | return 0; |
1207 | ||
1208 | /* maybe set new image format, driver current only support 720*480 */ | |
1209 | dev->width = width; | |
1210 | dev->height = height; | |
1211 | dev->frame_size = width * height * 2; | |
1212 | dev->field_size = width * height; | |
1213 | dev->bytesperline = width * 2; | |
1214 | ||
62899a28 | 1215 | if (dev->stream_state == STREAM_ON) { |
8b2f0795 | 1216 | dprintk(1, "VIDIOC_SET_FMT: interrupting stream!\n"); |
62899a28 DH |
1217 | ret = au0828_stream_interrupt(dev); |
1218 | if (ret != 0) { | |
8b2f0795 DH |
1219 | dprintk(1, "error interrupting video stream!\n"); |
1220 | return ret; | |
1221 | } | |
1222 | } | |
1223 | ||
1224 | /* set au0828 interface0 to AS5 here again */ | |
1225 | ret = usb_set_interface(dev->usbdev, 0, 5); | |
62899a28 DH |
1226 | if (ret < 0) { |
1227 | printk(KERN_INFO "Au0828 can't set alt setting to 5!\n"); | |
8b2f0795 DH |
1228 | return -EBUSY; |
1229 | } | |
1230 | ||
1231 | au0828_analog_stream_enable(dev); | |
1232 | ||
1233 | return 0; | |
1234 | } | |
1235 | ||
1236 | ||
8b2f0795 DH |
1237 | static int vidioc_querycap(struct file *file, void *priv, |
1238 | struct v4l2_capability *cap) | |
1239 | { | |
59e05484 HV |
1240 | struct video_device *vdev = video_devdata(file); |
1241 | struct au0828_fh *fh = priv; | |
8b2f0795 DH |
1242 | struct au0828_dev *dev = fh->dev; |
1243 | ||
8b2f0795 | 1244 | strlcpy(cap->driver, "au0828", sizeof(cap->driver)); |
f1add5b5 | 1245 | strlcpy(cap->card, dev->board.name, sizeof(cap->card)); |
59e05484 | 1246 | usb_make_path(dev->usbdev, cap->bus_info, sizeof(cap->bus_info)); |
8b2f0795 | 1247 | |
59e05484 HV |
1248 | /* set the device capabilities */ |
1249 | cap->device_caps = V4L2_CAP_AUDIO | | |
8b2f0795 DH |
1250 | V4L2_CAP_READWRITE | |
1251 | V4L2_CAP_STREAMING | | |
1252 | V4L2_CAP_TUNER; | |
59e05484 HV |
1253 | if (vdev->vfl_type == VFL_TYPE_GRABBER) |
1254 | cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE; | |
1255 | else | |
1256 | cap->device_caps |= V4L2_CAP_VBI_CAPTURE; | |
1257 | cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS | | |
1258 | V4L2_CAP_VBI_CAPTURE | V4L2_CAP_VIDEO_CAPTURE; | |
8b2f0795 DH |
1259 | return 0; |
1260 | } | |
1261 | ||
1262 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, | |
1263 | struct v4l2_fmtdesc *f) | |
1264 | { | |
62899a28 | 1265 | if (f->index) |
8b2f0795 DH |
1266 | return -EINVAL; |
1267 | ||
8b2f0795 DH |
1268 | f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
1269 | strcpy(f->description, "Packed YUV2"); | |
1270 | ||
1271 | f->flags = 0; | |
1272 | f->pixelformat = V4L2_PIX_FMT_UYVY; | |
1273 | ||
8b2f0795 DH |
1274 | return 0; |
1275 | } | |
1276 | ||
1277 | static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, | |
1278 | struct v4l2_format *f) | |
1279 | { | |
1280 | struct au0828_fh *fh = priv; | |
1281 | struct au0828_dev *dev = fh->dev; | |
1282 | ||
1283 | f->fmt.pix.width = dev->width; | |
1284 | f->fmt.pix.height = dev->height; | |
1285 | f->fmt.pix.pixelformat = V4L2_PIX_FMT_UYVY; | |
1286 | f->fmt.pix.bytesperline = dev->bytesperline; | |
1287 | f->fmt.pix.sizeimage = dev->frame_size; | |
1288 | f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; /* NTSC/PAL */ | |
1289 | f->fmt.pix.field = V4L2_FIELD_INTERLACED; | |
8d86e4e8 | 1290 | f->fmt.pix.priv = 0; |
8b2f0795 DH |
1291 | return 0; |
1292 | } | |
1293 | ||
1294 | static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, | |
1295 | struct v4l2_format *f) | |
1296 | { | |
1297 | struct au0828_fh *fh = priv; | |
1298 | struct au0828_dev *dev = fh->dev; | |
1299 | ||
1300 | return au0828_set_format(dev, VIDIOC_TRY_FMT, f); | |
1301 | } | |
1302 | ||
1303 | static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, | |
1304 | struct v4l2_format *f) | |
1305 | { | |
1306 | struct au0828_fh *fh = priv; | |
1307 | struct au0828_dev *dev = fh->dev; | |
1308 | int rc; | |
1309 | ||
7f8eacd2 DH |
1310 | rc = check_dev(dev); |
1311 | if (rc < 0) | |
1312 | return rc; | |
1313 | ||
8b2f0795 | 1314 | if (videobuf_queue_is_busy(&fh->vb_vidq)) { |
62899a28 | 1315 | printk(KERN_INFO "%s queue busy\n", __func__); |
8b2f0795 DH |
1316 | rc = -EBUSY; |
1317 | goto out; | |
1318 | } | |
1319 | ||
7f8eacd2 | 1320 | rc = au0828_set_format(dev, VIDIOC_S_FMT, f); |
8b2f0795 DH |
1321 | out: |
1322 | return rc; | |
1323 | } | |
1324 | ||
314527ac | 1325 | static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id norm) |
8b2f0795 DH |
1326 | { |
1327 | struct au0828_fh *fh = priv; | |
1328 | struct au0828_dev *dev = fh->dev; | |
1329 | ||
e58071f0 DH |
1330 | if (dev->dvb.frontend && dev->dvb.frontend->ops.analog_ops.i2c_gate_ctrl) |
1331 | dev->dvb.frontend->ops.analog_ops.i2c_gate_ctrl(dev->dvb.frontend, 1); | |
1332 | ||
8b2f0795 DH |
1333 | /* FIXME: when we support something other than NTSC, we are going to |
1334 | have to make the au0828 bridge adjust the size of its capture | |
1335 | buffer, which is currently hardcoded at 720x480 */ | |
1336 | ||
314527ac | 1337 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_std, norm); |
c98bc032 | 1338 | dev->std_set_in_tuner_core = 1; |
e58071f0 DH |
1339 | |
1340 | if (dev->dvb.frontend && dev->dvb.frontend->ops.analog_ops.i2c_gate_ctrl) | |
1341 | dev->dvb.frontend->ops.analog_ops.i2c_gate_ctrl(dev->dvb.frontend, 0); | |
33b6b89b | 1342 | dev->std = norm; |
e58071f0 | 1343 | |
8b2f0795 DH |
1344 | return 0; |
1345 | } | |
1346 | ||
33b6b89b HV |
1347 | static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *norm) |
1348 | { | |
1349 | struct au0828_fh *fh = priv; | |
1350 | struct au0828_dev *dev = fh->dev; | |
1351 | ||
1352 | *norm = dev->std; | |
1353 | return 0; | |
1354 | } | |
1355 | ||
8b2f0795 DH |
1356 | static int vidioc_enum_input(struct file *file, void *priv, |
1357 | struct v4l2_input *input) | |
1358 | { | |
1359 | struct au0828_fh *fh = priv; | |
1360 | struct au0828_dev *dev = fh->dev; | |
1361 | unsigned int tmp; | |
1362 | ||
1363 | static const char *inames[] = { | |
3d62287e | 1364 | [AU0828_VMUX_UNDEFINED] = "Undefined", |
8b2f0795 DH |
1365 | [AU0828_VMUX_COMPOSITE] = "Composite", |
1366 | [AU0828_VMUX_SVIDEO] = "S-Video", | |
1367 | [AU0828_VMUX_CABLE] = "Cable TV", | |
1368 | [AU0828_VMUX_TELEVISION] = "Television", | |
1369 | [AU0828_VMUX_DVB] = "DVB", | |
1370 | [AU0828_VMUX_DEBUG] = "tv debug" | |
1371 | }; | |
1372 | ||
1373 | tmp = input->index; | |
1374 | ||
f5e20c34 | 1375 | if (tmp >= AU0828_MAX_INPUT) |
8b2f0795 | 1376 | return -EINVAL; |
62899a28 | 1377 | if (AUVI_INPUT(tmp).type == 0) |
8b2f0795 DH |
1378 | return -EINVAL; |
1379 | ||
8b2f0795 | 1380 | input->index = tmp; |
f1add5b5 | 1381 | strcpy(input->name, inames[AUVI_INPUT(tmp).type]); |
62899a28 | 1382 | if ((AUVI_INPUT(tmp).type == AU0828_VMUX_TELEVISION) || |
a2cf96f9 | 1383 | (AUVI_INPUT(tmp).type == AU0828_VMUX_CABLE)) { |
8b2f0795 | 1384 | input->type |= V4L2_INPUT_TYPE_TUNER; |
a2cf96f9 HV |
1385 | input->audioset = 1; |
1386 | } else { | |
8b2f0795 | 1387 | input->type |= V4L2_INPUT_TYPE_CAMERA; |
a2cf96f9 HV |
1388 | input->audioset = 2; |
1389 | } | |
8b2f0795 DH |
1390 | |
1391 | input->std = dev->vdev->tvnorms; | |
1392 | ||
1393 | return 0; | |
1394 | } | |
1395 | ||
1396 | static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) | |
1397 | { | |
1398 | struct au0828_fh *fh = priv; | |
1399 | struct au0828_dev *dev = fh->dev; | |
1400 | *i = dev->ctrl_input; | |
1401 | return 0; | |
1402 | } | |
1403 | ||
1404 | static int vidioc_s_input(struct file *file, void *priv, unsigned int index) | |
1405 | { | |
1406 | struct au0828_fh *fh = priv; | |
1407 | struct au0828_dev *dev = fh->dev; | |
1408 | int i; | |
8b2f0795 | 1409 | |
62899a28 | 1410 | dprintk(1, "VIDIOC_S_INPUT in function %s, input=%d\n", __func__, |
8b2f0795 | 1411 | index); |
62899a28 | 1412 | if (index >= AU0828_MAX_INPUT) |
8b2f0795 | 1413 | return -EINVAL; |
62899a28 | 1414 | if (AUVI_INPUT(index).type == 0) |
8b2f0795 DH |
1415 | return -EINVAL; |
1416 | dev->ctrl_input = index; | |
1417 | ||
62899a28 | 1418 | switch (AUVI_INPUT(index).type) { |
8b2f0795 | 1419 | case AU0828_VMUX_SVIDEO: |
8b2f0795 | 1420 | dev->input_type = AU0828_VMUX_SVIDEO; |
a2cf96f9 | 1421 | dev->ctrl_ainput = 1; |
8b2f0795 | 1422 | break; |
8b2f0795 | 1423 | case AU0828_VMUX_COMPOSITE: |
8b2f0795 | 1424 | dev->input_type = AU0828_VMUX_COMPOSITE; |
a2cf96f9 | 1425 | dev->ctrl_ainput = 1; |
8b2f0795 | 1426 | break; |
8b2f0795 | 1427 | case AU0828_VMUX_TELEVISION: |
8b2f0795 | 1428 | dev->input_type = AU0828_VMUX_TELEVISION; |
a2cf96f9 | 1429 | dev->ctrl_ainput = 0; |
8b2f0795 | 1430 | break; |
8b2f0795 | 1431 | default: |
a1094c4c DH |
1432 | dprintk(1, "VIDIOC_S_INPUT unknown input type set [%d]\n", |
1433 | AUVI_INPUT(index).type); | |
1434 | break; | |
8b2f0795 DH |
1435 | } |
1436 | ||
5325b427 HV |
1437 | v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_routing, |
1438 | AUVI_INPUT(index).vmux, 0, 0); | |
8b2f0795 DH |
1439 | |
1440 | for (i = 0; i < AU0828_MAX_INPUT; i++) { | |
1441 | int enable = 0; | |
62899a28 | 1442 | if (AUVI_INPUT(i).audio_setup == NULL) |
8b2f0795 | 1443 | continue; |
8b2f0795 DH |
1444 | |
1445 | if (i == index) | |
1446 | enable = 1; | |
1447 | else | |
1448 | enable = 0; | |
1449 | if (enable) { | |
f1add5b5 | 1450 | (AUVI_INPUT(i).audio_setup)(dev, enable); |
8b2f0795 DH |
1451 | } else { |
1452 | /* Make sure we leave it turned on if some | |
1453 | other input is routed to this callback */ | |
f1add5b5 DH |
1454 | if ((AUVI_INPUT(i).audio_setup) != |
1455 | ((AUVI_INPUT(index).audio_setup))) { | |
1456 | (AUVI_INPUT(i).audio_setup)(dev, enable); | |
8b2f0795 DH |
1457 | } |
1458 | } | |
1459 | } | |
1460 | ||
5325b427 HV |
1461 | v4l2_device_call_all(&dev->v4l2_dev, 0, audio, s_routing, |
1462 | AUVI_INPUT(index).amux, 0, 0); | |
8b2f0795 DH |
1463 | return 0; |
1464 | } | |
1465 | ||
a2cf96f9 HV |
1466 | static int vidioc_enumaudio(struct file *file, void *priv, struct v4l2_audio *a) |
1467 | { | |
1468 | if (a->index > 1) | |
1469 | return -EINVAL; | |
1470 | ||
1471 | if (a->index == 0) | |
1472 | strcpy(a->name, "Television"); | |
1473 | else | |
1474 | strcpy(a->name, "Line in"); | |
1475 | ||
1476 | a->capability = V4L2_AUDCAP_STEREO; | |
1477 | return 0; | |
1478 | } | |
1479 | ||
8b2f0795 DH |
1480 | static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a) |
1481 | { | |
1482 | struct au0828_fh *fh = priv; | |
1483 | struct au0828_dev *dev = fh->dev; | |
8b2f0795 | 1484 | |
a2cf96f9 HV |
1485 | a->index = dev->ctrl_ainput; |
1486 | if (a->index == 0) | |
8b2f0795 DH |
1487 | strcpy(a->name, "Television"); |
1488 | else | |
1489 | strcpy(a->name, "Line in"); | |
1490 | ||
1491 | a->capability = V4L2_AUDCAP_STEREO; | |
8b2f0795 DH |
1492 | return 0; |
1493 | } | |
1494 | ||
0e8025b9 | 1495 | static int vidioc_s_audio(struct file *file, void *priv, const struct v4l2_audio *a) |
8b2f0795 DH |
1496 | { |
1497 | struct au0828_fh *fh = priv; | |
1498 | struct au0828_dev *dev = fh->dev; | |
a2cf96f9 | 1499 | |
62899a28 | 1500 | if (a->index != dev->ctrl_ainput) |
8b2f0795 DH |
1501 | return -EINVAL; |
1502 | return 0; | |
1503 | } | |
1504 | ||
8b2f0795 DH |
1505 | static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) |
1506 | { | |
1507 | struct au0828_fh *fh = priv; | |
1508 | struct au0828_dev *dev = fh->dev; | |
1509 | ||
62899a28 | 1510 | if (t->index != 0) |
8b2f0795 DH |
1511 | return -EINVAL; |
1512 | ||
8b2f0795 | 1513 | strcpy(t->name, "Auvitek tuner"); |
2689d3dc | 1514 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t); |
8b2f0795 DH |
1515 | return 0; |
1516 | } | |
1517 | ||
1518 | static int vidioc_s_tuner(struct file *file, void *priv, | |
2f73c7c5 | 1519 | const struct v4l2_tuner *t) |
8b2f0795 DH |
1520 | { |
1521 | struct au0828_fh *fh = priv; | |
1522 | struct au0828_dev *dev = fh->dev; | |
1523 | ||
62899a28 | 1524 | if (t->index != 0) |
8b2f0795 DH |
1525 | return -EINVAL; |
1526 | ||
e58071f0 DH |
1527 | if (dev->dvb.frontend && dev->dvb.frontend->ops.analog_ops.i2c_gate_ctrl) |
1528 | dev->dvb.frontend->ops.analog_ops.i2c_gate_ctrl(dev->dvb.frontend, 1); | |
1529 | ||
2689d3dc | 1530 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t); |
e58071f0 DH |
1531 | |
1532 | if (dev->dvb.frontend && dev->dvb.frontend->ops.analog_ops.i2c_gate_ctrl) | |
1533 | dev->dvb.frontend->ops.analog_ops.i2c_gate_ctrl(dev->dvb.frontend, 0); | |
1534 | ||
8b2f0795 DH |
1535 | dprintk(1, "VIDIOC_S_TUNER: signal = %x, afc = %x\n", t->signal, |
1536 | t->afc); | |
e58071f0 | 1537 | |
8b2f0795 DH |
1538 | return 0; |
1539 | ||
1540 | } | |
1541 | ||
1542 | static int vidioc_g_frequency(struct file *file, void *priv, | |
1543 | struct v4l2_frequency *freq) | |
1544 | { | |
1545 | struct au0828_fh *fh = priv; | |
1546 | struct au0828_dev *dev = fh->dev; | |
c888923d | 1547 | |
e1cf6587 HV |
1548 | if (freq->tuner != 0) |
1549 | return -EINVAL; | |
8b2f0795 DH |
1550 | freq->frequency = dev->ctrl_freq; |
1551 | return 0; | |
1552 | } | |
1553 | ||
1554 | static int vidioc_s_frequency(struct file *file, void *priv, | |
b530a447 | 1555 | const struct v4l2_frequency *freq) |
8b2f0795 DH |
1556 | { |
1557 | struct au0828_fh *fh = priv; | |
1558 | struct au0828_dev *dev = fh->dev; | |
e1cf6587 | 1559 | struct v4l2_frequency new_freq = *freq; |
8b2f0795 | 1560 | |
62899a28 | 1561 | if (freq->tuner != 0) |
8b2f0795 | 1562 | return -EINVAL; |
8b2f0795 | 1563 | |
4a03dafc DH |
1564 | if (dev->dvb.frontend && dev->dvb.frontend->ops.analog_ops.i2c_gate_ctrl) |
1565 | dev->dvb.frontend->ops.analog_ops.i2c_gate_ctrl(dev->dvb.frontend, 1); | |
1566 | ||
c98bc032 | 1567 | if (dev->std_set_in_tuner_core == 0) { |
38823b29 HV |
1568 | /* If we've never sent the standard in tuner core, do so now. |
1569 | We don't do this at device probe because we don't want to | |
1570 | incur the cost of a firmware load */ | |
1571 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_std, | |
1572 | dev->vdev->tvnorms); | |
1573 | dev->std_set_in_tuner_core = 1; | |
c98bc032 DH |
1574 | } |
1575 | ||
2689d3dc | 1576 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, freq); |
e1cf6587 HV |
1577 | /* Get the actual set (and possibly clamped) frequency */ |
1578 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_frequency, &new_freq); | |
1579 | dev->ctrl_freq = new_freq.frequency; | |
8b2f0795 | 1580 | |
4a03dafc DH |
1581 | if (dev->dvb.frontend && dev->dvb.frontend->ops.analog_ops.i2c_gate_ctrl) |
1582 | dev->dvb.frontend->ops.analog_ops.i2c_gate_ctrl(dev->dvb.frontend, 0); | |
1583 | ||
8b2f0795 DH |
1584 | au0828_analog_stream_reset(dev); |
1585 | ||
1586 | return 0; | |
1587 | } | |
1588 | ||
7f8eacd2 DH |
1589 | |
1590 | /* RAW VBI ioctls */ | |
1591 | ||
1592 | static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv, | |
1593 | struct v4l2_format *format) | |
1594 | { | |
1595 | struct au0828_fh *fh = priv; | |
1596 | struct au0828_dev *dev = fh->dev; | |
1597 | ||
1598 | format->fmt.vbi.samples_per_line = dev->vbi_width; | |
1599 | format->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; | |
1600 | format->fmt.vbi.offset = 0; | |
1601 | format->fmt.vbi.flags = 0; | |
1602 | format->fmt.vbi.sampling_rate = 6750000 * 4 / 2; | |
1603 | ||
1604 | format->fmt.vbi.count[0] = dev->vbi_height; | |
1605 | format->fmt.vbi.count[1] = dev->vbi_height; | |
1606 | format->fmt.vbi.start[0] = 21; | |
1607 | format->fmt.vbi.start[1] = 284; | |
8d86e4e8 | 1608 | memset(format->fmt.vbi.reserved, 0, sizeof(format->fmt.vbi.reserved)); |
7f8eacd2 DH |
1609 | |
1610 | return 0; | |
1611 | } | |
1612 | ||
8b2f0795 DH |
1613 | static int vidioc_g_chip_ident(struct file *file, void *priv, |
1614 | struct v4l2_dbg_chip_ident *chip) | |
1615 | { | |
1616 | struct au0828_fh *fh = priv; | |
1617 | struct au0828_dev *dev = fh->dev; | |
1618 | chip->ident = V4L2_IDENT_NONE; | |
1619 | chip->revision = 0; | |
1620 | ||
d9109bef DH |
1621 | if (v4l2_chip_match_host(&chip->match)) { |
1622 | chip->ident = V4L2_IDENT_AU0828; | |
1623 | return 0; | |
1624 | } | |
1625 | ||
2689d3dc | 1626 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_chip_ident, chip); |
d9109bef DH |
1627 | if (chip->ident == V4L2_IDENT_NONE) |
1628 | return -EINVAL; | |
1629 | ||
8b2f0795 DH |
1630 | return 0; |
1631 | } | |
1632 | ||
1633 | static int vidioc_cropcap(struct file *file, void *priv, | |
1634 | struct v4l2_cropcap *cc) | |
1635 | { | |
1636 | struct au0828_fh *fh = priv; | |
1637 | struct au0828_dev *dev = fh->dev; | |
1638 | ||
62899a28 | 1639 | if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
8b2f0795 DH |
1640 | return -EINVAL; |
1641 | ||
1642 | cc->bounds.left = 0; | |
1643 | cc->bounds.top = 0; | |
1644 | cc->bounds.width = dev->width; | |
1645 | cc->bounds.height = dev->height; | |
1646 | ||
1647 | cc->defrect = cc->bounds; | |
1648 | ||
1649 | cc->pixelaspect.numerator = 54; | |
1650 | cc->pixelaspect.denominator = 59; | |
1651 | ||
1652 | return 0; | |
1653 | } | |
1654 | ||
1655 | static int vidioc_streamon(struct file *file, void *priv, | |
1656 | enum v4l2_buf_type type) | |
1657 | { | |
7f8eacd2 DH |
1658 | struct au0828_fh *fh = priv; |
1659 | struct au0828_dev *dev = fh->dev; | |
1660 | int rc = -EINVAL; | |
8b2f0795 DH |
1661 | |
1662 | rc = check_dev(dev); | |
1663 | if (rc < 0) | |
1664 | return rc; | |
1665 | ||
7f8eacd2 DH |
1666 | if (unlikely(type != fh->type)) |
1667 | return -EINVAL; | |
1668 | ||
1669 | dprintk(1, "vidioc_streamon fh=%p t=%d fh->res=%d dev->res=%d\n", | |
1670 | fh, type, fh->resources, dev->resources); | |
1671 | ||
1672 | if (unlikely(!res_get(fh, get_ressource(fh)))) | |
1673 | return -EBUSY; | |
1674 | ||
8b2f0795 DH |
1675 | if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
1676 | au0828_analog_stream_enable(dev); | |
2689d3dc | 1677 | v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 1); |
8b2f0795 DH |
1678 | } |
1679 | ||
78ca5005 | 1680 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
8b2f0795 | 1681 | rc = videobuf_streamon(&fh->vb_vidq); |
78ca5005 DH |
1682 | dev->vid_timeout_running = 1; |
1683 | mod_timer(&dev->vid_timeout, jiffies + (HZ / 10)); | |
1684 | } else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { | |
7f8eacd2 | 1685 | rc = videobuf_streamon(&fh->vb_vbiq); |
78ca5005 DH |
1686 | dev->vbi_timeout_running = 1; |
1687 | mod_timer(&dev->vbi_timeout, jiffies + (HZ / 10)); | |
1688 | } | |
8b2f0795 DH |
1689 | |
1690 | return rc; | |
1691 | } | |
1692 | ||
1693 | static int vidioc_streamoff(struct file *file, void *priv, | |
1694 | enum v4l2_buf_type type) | |
1695 | { | |
7f8eacd2 DH |
1696 | struct au0828_fh *fh = priv; |
1697 | struct au0828_dev *dev = fh->dev; | |
1698 | int rc; | |
1699 | int i; | |
8b2f0795 DH |
1700 | |
1701 | rc = check_dev(dev); | |
1702 | if (rc < 0) | |
1703 | return rc; | |
1704 | ||
7f8eacd2 DH |
1705 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && |
1706 | fh->type != V4L2_BUF_TYPE_VBI_CAPTURE) | |
8b2f0795 DH |
1707 | return -EINVAL; |
1708 | if (type != fh->type) | |
1709 | return -EINVAL; | |
1710 | ||
7f8eacd2 DH |
1711 | dprintk(1, "vidioc_streamoff fh=%p t=%d fh->res=%d dev->res=%d\n", |
1712 | fh, type, fh->resources, dev->resources); | |
1713 | ||
1714 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { | |
78ca5005 DH |
1715 | dev->vid_timeout_running = 0; |
1716 | del_timer_sync(&dev->vid_timeout); | |
1717 | ||
2689d3dc | 1718 | v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 0); |
7f8eacd2 DH |
1719 | rc = au0828_stream_interrupt(dev); |
1720 | if (rc != 0) | |
1721 | return rc; | |
8b2f0795 | 1722 | |
7f8eacd2 DH |
1723 | for (i = 0; i < AU0828_MAX_INPUT; i++) { |
1724 | if (AUVI_INPUT(i).audio_setup == NULL) | |
1725 | continue; | |
1726 | (AUVI_INPUT(i).audio_setup)(dev, 0); | |
1727 | } | |
8b2f0795 | 1728 | |
a595c1ce DH |
1729 | if (res_check(fh, AU0828_RESOURCE_VIDEO)) { |
1730 | videobuf_streamoff(&fh->vb_vidq); | |
1731 | res_free(fh, AU0828_RESOURCE_VIDEO); | |
1732 | } | |
7f8eacd2 | 1733 | } else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { |
78ca5005 DH |
1734 | dev->vbi_timeout_running = 0; |
1735 | del_timer_sync(&dev->vbi_timeout); | |
1736 | ||
a595c1ce DH |
1737 | if (res_check(fh, AU0828_RESOURCE_VBI)) { |
1738 | videobuf_streamoff(&fh->vb_vbiq); | |
1739 | res_free(fh, AU0828_RESOURCE_VBI); | |
1740 | } | |
7f8eacd2 | 1741 | } |
8b2f0795 DH |
1742 | |
1743 | return 0; | |
1744 | } | |
1745 | ||
80c6e358 | 1746 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
8b2f0795 DH |
1747 | static int vidioc_g_register(struct file *file, void *priv, |
1748 | struct v4l2_dbg_register *reg) | |
1749 | { | |
1750 | struct au0828_fh *fh = priv; | |
1751 | struct au0828_dev *dev = fh->dev; | |
1752 | ||
1753 | switch (reg->match.type) { | |
1754 | case V4L2_CHIP_MATCH_I2C_DRIVER: | |
2689d3dc | 1755 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_register, reg); |
8b2f0795 DH |
1756 | return 0; |
1757 | default: | |
364d2db2 DH |
1758 | if (!v4l2_chip_match_host(®->match)) |
1759 | return -EINVAL; | |
8b2f0795 | 1760 | } |
364d2db2 DH |
1761 | |
1762 | reg->val = au0828_read(dev, reg->reg); | |
1763 | return 0; | |
8b2f0795 DH |
1764 | } |
1765 | ||
1766 | static int vidioc_s_register(struct file *file, void *priv, | |
977ba3b1 | 1767 | const struct v4l2_dbg_register *reg) |
8b2f0795 DH |
1768 | { |
1769 | struct au0828_fh *fh = priv; | |
1770 | struct au0828_dev *dev = fh->dev; | |
1771 | ||
1772 | switch (reg->match.type) { | |
1773 | case V4L2_CHIP_MATCH_I2C_DRIVER: | |
2689d3dc | 1774 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_register, reg); |
8b2f0795 DH |
1775 | return 0; |
1776 | default: | |
364d2db2 DH |
1777 | if (!v4l2_chip_match_host(®->match)) |
1778 | return -EINVAL; | |
8b2f0795 | 1779 | } |
364d2db2 | 1780 | return au0828_writereg(dev, reg->reg, reg->val); |
8b2f0795 | 1781 | } |
80c6e358 | 1782 | #endif |
8b2f0795 | 1783 | |
83b09422 HV |
1784 | static int vidioc_log_status(struct file *file, void *fh) |
1785 | { | |
1786 | struct video_device *vdev = video_devdata(file); | |
1787 | ||
1788 | v4l2_ctrl_log_status(file, fh); | |
1789 | v4l2_device_call_all(vdev->v4l2_dev, 0, core, log_status); | |
1790 | return 0; | |
1791 | } | |
1792 | ||
8b2f0795 DH |
1793 | static int vidioc_reqbufs(struct file *file, void *priv, |
1794 | struct v4l2_requestbuffers *rb) | |
1795 | { | |
1796 | struct au0828_fh *fh = priv; | |
1797 | struct au0828_dev *dev = fh->dev; | |
1798 | int rc; | |
1799 | ||
1800 | rc = check_dev(dev); | |
1801 | if (rc < 0) | |
1802 | return rc; | |
1803 | ||
54ebb8b8 DH |
1804 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1805 | rc = videobuf_reqbufs(&fh->vb_vidq, rb); | |
1806 | else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) | |
1807 | rc = videobuf_reqbufs(&fh->vb_vbiq, rb); | |
1808 | ||
1809 | return rc; | |
8b2f0795 DH |
1810 | } |
1811 | ||
1812 | static int vidioc_querybuf(struct file *file, void *priv, | |
1813 | struct v4l2_buffer *b) | |
1814 | { | |
1815 | struct au0828_fh *fh = priv; | |
1816 | struct au0828_dev *dev = fh->dev; | |
1817 | int rc; | |
1818 | ||
1819 | rc = check_dev(dev); | |
1820 | if (rc < 0) | |
1821 | return rc; | |
1822 | ||
54ebb8b8 DH |
1823 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1824 | rc = videobuf_querybuf(&fh->vb_vidq, b); | |
1825 | else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) | |
1826 | rc = videobuf_querybuf(&fh->vb_vbiq, b); | |
1827 | ||
1828 | return rc; | |
8b2f0795 DH |
1829 | } |
1830 | ||
1831 | static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b) | |
1832 | { | |
1833 | struct au0828_fh *fh = priv; | |
1834 | struct au0828_dev *dev = fh->dev; | |
1835 | int rc; | |
1836 | ||
1837 | rc = check_dev(dev); | |
1838 | if (rc < 0) | |
1839 | return rc; | |
1840 | ||
54ebb8b8 DH |
1841 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1842 | rc = videobuf_qbuf(&fh->vb_vidq, b); | |
1843 | else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) | |
1844 | rc = videobuf_qbuf(&fh->vb_vbiq, b); | |
1845 | ||
1846 | return rc; | |
8b2f0795 DH |
1847 | } |
1848 | ||
1849 | static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) | |
1850 | { | |
1851 | struct au0828_fh *fh = priv; | |
1852 | struct au0828_dev *dev = fh->dev; | |
1853 | int rc; | |
1854 | ||
1855 | rc = check_dev(dev); | |
1856 | if (rc < 0) | |
1857 | return rc; | |
1858 | ||
1859 | /* Workaround for a bug in the au0828 hardware design that sometimes | |
1860 | results in the colorspace being inverted */ | |
1861 | if (dev->greenscreen_detected == 1) { | |
1862 | dprintk(1, "Detected green frame. Resetting stream...\n"); | |
1863 | au0828_analog_stream_reset(dev); | |
1864 | dev->greenscreen_detected = 0; | |
1865 | } | |
1866 | ||
54ebb8b8 DH |
1867 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1868 | rc = videobuf_dqbuf(&fh->vb_vidq, b, file->f_flags & O_NONBLOCK); | |
1869 | else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) | |
1870 | rc = videobuf_dqbuf(&fh->vb_vbiq, b, file->f_flags & O_NONBLOCK); | |
1871 | ||
1872 | return rc; | |
8b2f0795 DH |
1873 | } |
1874 | ||
8b2f0795 DH |
1875 | static struct v4l2_file_operations au0828_v4l_fops = { |
1876 | .owner = THIS_MODULE, | |
1877 | .open = au0828_v4l2_open, | |
1878 | .release = au0828_v4l2_close, | |
1879 | .read = au0828_v4l2_read, | |
1880 | .poll = au0828_v4l2_poll, | |
1881 | .mmap = au0828_v4l2_mmap, | |
549ee4df | 1882 | .unlocked_ioctl = video_ioctl2, |
8b2f0795 DH |
1883 | }; |
1884 | ||
1885 | static const struct v4l2_ioctl_ops video_ioctl_ops = { | |
1886 | .vidioc_querycap = vidioc_querycap, | |
1887 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, | |
1888 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
1889 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, | |
1890 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, | |
5a5a4e16 | 1891 | .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, |
8d86e4e8 | 1892 | .vidioc_try_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, |
7f8eacd2 | 1893 | .vidioc_s_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, |
a2cf96f9 | 1894 | .vidioc_enumaudio = vidioc_enumaudio, |
8b2f0795 DH |
1895 | .vidioc_g_audio = vidioc_g_audio, |
1896 | .vidioc_s_audio = vidioc_s_audio, | |
1897 | .vidioc_cropcap = vidioc_cropcap, | |
8b2f0795 DH |
1898 | .vidioc_reqbufs = vidioc_reqbufs, |
1899 | .vidioc_querybuf = vidioc_querybuf, | |
1900 | .vidioc_qbuf = vidioc_qbuf, | |
1901 | .vidioc_dqbuf = vidioc_dqbuf, | |
1902 | .vidioc_s_std = vidioc_s_std, | |
33b6b89b | 1903 | .vidioc_g_std = vidioc_g_std, |
8b2f0795 DH |
1904 | .vidioc_enum_input = vidioc_enum_input, |
1905 | .vidioc_g_input = vidioc_g_input, | |
1906 | .vidioc_s_input = vidioc_s_input, | |
8b2f0795 DH |
1907 | .vidioc_streamon = vidioc_streamon, |
1908 | .vidioc_streamoff = vidioc_streamoff, | |
1909 | .vidioc_g_tuner = vidioc_g_tuner, | |
1910 | .vidioc_s_tuner = vidioc_s_tuner, | |
1911 | .vidioc_g_frequency = vidioc_g_frequency, | |
1912 | .vidioc_s_frequency = vidioc_s_frequency, | |
1913 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
1914 | .vidioc_g_register = vidioc_g_register, | |
1915 | .vidioc_s_register = vidioc_s_register, | |
8b2f0795 | 1916 | #endif |
80c6e358 | 1917 | .vidioc_g_chip_ident = vidioc_g_chip_ident, |
83b09422 HV |
1918 | .vidioc_log_status = vidioc_log_status, |
1919 | .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, | |
1920 | .vidioc_unsubscribe_event = v4l2_event_unsubscribe, | |
8b2f0795 DH |
1921 | }; |
1922 | ||
1923 | static const struct video_device au0828_video_template = { | |
1924 | .fops = &au0828_v4l_fops, | |
1925 | .release = video_device_release, | |
1926 | .ioctl_ops = &video_ioctl_ops, | |
0ef21071 | 1927 | .tvnorms = V4L2_STD_NTSC_M, |
8b2f0795 DH |
1928 | }; |
1929 | ||
1930 | /**************************************************************************/ | |
1931 | ||
fc4ce6cd DH |
1932 | int au0828_analog_register(struct au0828_dev *dev, |
1933 | struct usb_interface *interface) | |
8b2f0795 DH |
1934 | { |
1935 | int retval = -ENOMEM; | |
fc4ce6cd DH |
1936 | struct usb_host_interface *iface_desc; |
1937 | struct usb_endpoint_descriptor *endpoint; | |
d63b21bf | 1938 | int i, ret; |
8b2f0795 DH |
1939 | |
1940 | dprintk(1, "au0828_analog_register called!\n"); | |
1941 | ||
fc4ce6cd DH |
1942 | /* set au0828 usb interface0 to as5 */ |
1943 | retval = usb_set_interface(dev->usbdev, | |
62899a28 | 1944 | interface->cur_altsetting->desc.bInterfaceNumber, 5); |
fc4ce6cd | 1945 | if (retval != 0) { |
62899a28 | 1946 | printk(KERN_INFO "Failure setting usb interface0 to as5\n"); |
fc4ce6cd DH |
1947 | return retval; |
1948 | } | |
1949 | ||
1950 | /* Figure out which endpoint has the isoc interface */ | |
1951 | iface_desc = interface->cur_altsetting; | |
62899a28 | 1952 | for (i = 0; i < iface_desc->desc.bNumEndpoints; i++) { |
fc4ce6cd | 1953 | endpoint = &iface_desc->endpoint[i].desc; |
62899a28 DH |
1954 | if (((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) |
1955 | == USB_DIR_IN) && | |
1956 | ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) | |
1957 | == USB_ENDPOINT_XFER_ISOC)) { | |
fc4ce6cd DH |
1958 | |
1959 | /* we find our isoc in endpoint */ | |
1960 | u16 tmp = le16_to_cpu(endpoint->wMaxPacketSize); | |
62899a28 DH |
1961 | dev->max_pkt_size = (tmp & 0x07ff) * |
1962 | (((tmp & 0x1800) >> 11) + 1); | |
fc4ce6cd DH |
1963 | dev->isoc_in_endpointaddr = endpoint->bEndpointAddress; |
1964 | } | |
1965 | } | |
62899a28 DH |
1966 | if (!(dev->isoc_in_endpointaddr)) { |
1967 | printk(KERN_INFO "Could not locate isoc endpoint\n"); | |
fc4ce6cd DH |
1968 | kfree(dev); |
1969 | return -ENODEV; | |
1970 | } | |
1971 | ||
8b2f0795 DH |
1972 | init_waitqueue_head(&dev->open); |
1973 | spin_lock_init(&dev->slock); | |
8b2f0795 | 1974 | |
7f8eacd2 | 1975 | /* init video dma queues */ |
8b2f0795 DH |
1976 | INIT_LIST_HEAD(&dev->vidq.active); |
1977 | INIT_LIST_HEAD(&dev->vidq.queued); | |
7f8eacd2 DH |
1978 | INIT_LIST_HEAD(&dev->vbiq.active); |
1979 | INIT_LIST_HEAD(&dev->vbiq.queued); | |
8b2f0795 | 1980 | |
78ca5005 DH |
1981 | dev->vid_timeout.function = au0828_vid_buffer_timeout; |
1982 | dev->vid_timeout.data = (unsigned long) dev; | |
1983 | init_timer(&dev->vid_timeout); | |
1984 | ||
1985 | dev->vbi_timeout.function = au0828_vbi_buffer_timeout; | |
1986 | dev->vbi_timeout.data = (unsigned long) dev; | |
1987 | init_timer(&dev->vbi_timeout); | |
1988 | ||
8b2f0795 DH |
1989 | dev->width = NTSC_STD_W; |
1990 | dev->height = NTSC_STD_H; | |
1991 | dev->field_size = dev->width * dev->height; | |
1992 | dev->frame_size = dev->field_size << 1; | |
1993 | dev->bytesperline = dev->width << 1; | |
1994 | dev->ctrl_ainput = 0; | |
e1cf6587 | 1995 | dev->ctrl_freq = 960; |
33b6b89b | 1996 | dev->std = V4L2_STD_NTSC_M; |
8b2f0795 DH |
1997 | |
1998 | /* allocate and fill v4l2 video struct */ | |
1999 | dev->vdev = video_device_alloc(); | |
62899a28 | 2000 | if (NULL == dev->vdev) { |
8b2f0795 DH |
2001 | dprintk(1, "Can't allocate video_device.\n"); |
2002 | return -ENOMEM; | |
2003 | } | |
2004 | ||
7f8eacd2 | 2005 | /* allocate the VBI struct */ |
8b2f0795 | 2006 | dev->vbi_dev = video_device_alloc(); |
62899a28 | 2007 | if (NULL == dev->vbi_dev) { |
8b2f0795 | 2008 | dprintk(1, "Can't allocate vbi_device.\n"); |
d63b21bf JL |
2009 | ret = -ENOMEM; |
2010 | goto err_vdev; | |
8b2f0795 DH |
2011 | } |
2012 | ||
2013 | /* Fill the video capture device struct */ | |
2014 | *dev->vdev = au0828_video_template; | |
e8c26f45 | 2015 | dev->vdev->v4l2_dev = &dev->v4l2_dev; |
549ee4df | 2016 | dev->vdev->lock = &dev->lock; |
83b09422 | 2017 | set_bit(V4L2_FL_USE_FH_PRIO, &dev->vdev->flags); |
8b2f0795 DH |
2018 | strcpy(dev->vdev->name, "au0828a video"); |
2019 | ||
2020 | /* Setup the VBI device */ | |
2021 | *dev->vbi_dev = au0828_video_template; | |
e8c26f45 | 2022 | dev->vbi_dev->v4l2_dev = &dev->v4l2_dev; |
549ee4df | 2023 | dev->vbi_dev->lock = &dev->lock; |
83b09422 | 2024 | set_bit(V4L2_FL_USE_FH_PRIO, &dev->vbi_dev->flags); |
8b2f0795 DH |
2025 | strcpy(dev->vbi_dev->name, "au0828a vbi"); |
2026 | ||
8b2f0795 | 2027 | /* Register the v4l2 device */ |
63b0d5ad | 2028 | video_set_drvdata(dev->vdev, dev); |
62899a28 DH |
2029 | retval = video_register_device(dev->vdev, VFL_TYPE_GRABBER, -1); |
2030 | if (retval != 0) { | |
2031 | dprintk(1, "unable to register video device (error = %d).\n", | |
2032 | retval); | |
d63b21bf JL |
2033 | ret = -ENODEV; |
2034 | goto err_vbi_dev; | |
8b2f0795 DH |
2035 | } |
2036 | ||
2037 | /* Register the vbi device */ | |
63b0d5ad | 2038 | video_set_drvdata(dev->vbi_dev, dev); |
62899a28 DH |
2039 | retval = video_register_device(dev->vbi_dev, VFL_TYPE_VBI, -1); |
2040 | if (retval != 0) { | |
2041 | dprintk(1, "unable to register vbi device (error = %d).\n", | |
2042 | retval); | |
d63b21bf JL |
2043 | ret = -ENODEV; |
2044 | goto err_vbi_dev; | |
8b2f0795 DH |
2045 | } |
2046 | ||
62899a28 | 2047 | dprintk(1, "%s completed!\n", __func__); |
8b2f0795 DH |
2048 | |
2049 | return 0; | |
d63b21bf JL |
2050 | |
2051 | err_vbi_dev: | |
2052 | video_device_release(dev->vbi_dev); | |
2053 | err_vdev: | |
2054 | video_device_release(dev->vdev); | |
2055 | return ret; | |
8b2f0795 DH |
2056 | } |
2057 |