Commit | Line | Data |
---|---|---|
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 | ||
fa09cb9a HV |
62 | static inline void i2c_gate_ctrl(struct au0828_dev *dev, int val) |
63 | { | |
64 | if (dev->dvb.frontend && dev->dvb.frontend->ops.analog_ops.i2c_gate_ctrl) | |
65 | dev->dvb.frontend->ops.analog_ops.i2c_gate_ctrl(dev->dvb.frontend, val); | |
66 | } | |
67 | ||
8b2f0795 DH |
68 | static inline void print_err_status(struct au0828_dev *dev, |
69 | int packet, int status) | |
70 | { | |
71 | char *errmsg = "Unknown"; | |
72 | ||
73 | switch (status) { | |
74 | case -ENOENT: | |
75 | errmsg = "unlinked synchronuously"; | |
76 | break; | |
77 | case -ECONNRESET: | |
78 | errmsg = "unlinked asynchronuously"; | |
79 | break; | |
80 | case -ENOSR: | |
81 | errmsg = "Buffer error (overrun)"; | |
82 | break; | |
83 | case -EPIPE: | |
84 | errmsg = "Stalled (device not responding)"; | |
85 | break; | |
86 | case -EOVERFLOW: | |
87 | errmsg = "Babble (bad cable?)"; | |
88 | break; | |
89 | case -EPROTO: | |
90 | errmsg = "Bit-stuff error (bad cable?)"; | |
91 | break; | |
92 | case -EILSEQ: | |
93 | errmsg = "CRC/Timeout (could be anything)"; | |
94 | break; | |
95 | case -ETIME: | |
96 | errmsg = "Device does not respond"; | |
97 | break; | |
98 | } | |
99 | if (packet < 0) { | |
100 | au0828_isocdbg("URB status %d [%s].\n", status, errmsg); | |
101 | } else { | |
102 | au0828_isocdbg("URB packet %d, status %d [%s].\n", | |
103 | packet, status, errmsg); | |
104 | } | |
105 | } | |
106 | ||
107 | static int check_dev(struct au0828_dev *dev) | |
108 | { | |
109 | if (dev->dev_state & DEV_DISCONNECTED) { | |
62899a28 | 110 | printk(KERN_INFO "v4l2 ioctl: device not present\n"); |
8b2f0795 DH |
111 | return -ENODEV; |
112 | } | |
113 | ||
114 | if (dev->dev_state & DEV_MISCONFIGURED) { | |
62899a28 | 115 | printk(KERN_INFO "v4l2 ioctl: device is misconfigured; " |
8b2f0795 DH |
116 | "close and open it again\n"); |
117 | return -EIO; | |
118 | } | |
119 | return 0; | |
120 | } | |
121 | ||
122 | /* | |
123 | * IRQ callback, called by URB callback | |
124 | */ | |
125 | static void au0828_irq_callback(struct urb *urb) | |
126 | { | |
127 | struct au0828_dmaqueue *dma_q = urb->context; | |
128 | struct au0828_dev *dev = container_of(dma_q, struct au0828_dev, vidq); | |
78ca5005 | 129 | unsigned long flags = 0; |
e92ba283 | 130 | int i; |
8b2f0795 DH |
131 | |
132 | switch (urb->status) { | |
133 | case 0: /* success */ | |
134 | case -ETIMEDOUT: /* NAK */ | |
135 | break; | |
136 | case -ECONNRESET: /* kill */ | |
137 | case -ENOENT: | |
138 | case -ESHUTDOWN: | |
139 | au0828_isocdbg("au0828_irq_callback called: status kill\n"); | |
140 | return; | |
141 | default: /* unknown error */ | |
142 | au0828_isocdbg("urb completition error %d.\n", urb->status); | |
143 | break; | |
144 | } | |
145 | ||
146 | /* Copy data from URB */ | |
78ca5005 | 147 | spin_lock_irqsave(&dev->slock, flags); |
e92ba283 | 148 | dev->isoc_ctl.isoc_copy(dev, urb); |
78ca5005 | 149 | spin_unlock_irqrestore(&dev->slock, flags); |
8b2f0795 DH |
150 | |
151 | /* Reset urb buffers */ | |
152 | for (i = 0; i < urb->number_of_packets; i++) { | |
153 | urb->iso_frame_desc[i].status = 0; | |
154 | urb->iso_frame_desc[i].actual_length = 0; | |
155 | } | |
156 | urb->status = 0; | |
157 | ||
158 | urb->status = usb_submit_urb(urb, GFP_ATOMIC); | |
159 | if (urb->status) { | |
160 | au0828_isocdbg("urb resubmit failed (error=%i)\n", | |
161 | urb->status); | |
162 | } | |
163 | } | |
164 | ||
165 | /* | |
166 | * Stop and Deallocate URBs | |
167 | */ | |
a094ca46 | 168 | static void au0828_uninit_isoc(struct au0828_dev *dev) |
8b2f0795 DH |
169 | { |
170 | struct urb *urb; | |
171 | int i; | |
172 | ||
173 | au0828_isocdbg("au0828: called au0828_uninit_isoc\n"); | |
174 | ||
175 | dev->isoc_ctl.nfields = -1; | |
176 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
177 | urb = dev->isoc_ctl.urb[i]; | |
178 | if (urb) { | |
179 | if (!irqs_disabled()) | |
180 | usb_kill_urb(urb); | |
181 | else | |
182 | usb_unlink_urb(urb); | |
183 | ||
184 | if (dev->isoc_ctl.transfer_buffer[i]) { | |
997ea58e | 185 | usb_free_coherent(dev->usbdev, |
8b2f0795 DH |
186 | urb->transfer_buffer_length, |
187 | dev->isoc_ctl.transfer_buffer[i], | |
188 | urb->transfer_dma); | |
189 | } | |
190 | usb_free_urb(urb); | |
191 | dev->isoc_ctl.urb[i] = NULL; | |
192 | } | |
193 | dev->isoc_ctl.transfer_buffer[i] = NULL; | |
194 | } | |
195 | ||
196 | kfree(dev->isoc_ctl.urb); | |
197 | kfree(dev->isoc_ctl.transfer_buffer); | |
198 | ||
199 | dev->isoc_ctl.urb = NULL; | |
200 | dev->isoc_ctl.transfer_buffer = NULL; | |
201 | dev->isoc_ctl.num_bufs = 0; | |
202 | } | |
203 | ||
204 | /* | |
205 | * Allocate URBs and start IRQ | |
206 | */ | |
a094ca46 MCC |
207 | static int au0828_init_isoc(struct au0828_dev *dev, int max_packets, |
208 | int num_bufs, int max_pkt_size, | |
209 | int (*isoc_copy) (struct au0828_dev *dev, struct urb *urb)) | |
8b2f0795 DH |
210 | { |
211 | struct au0828_dmaqueue *dma_q = &dev->vidq; | |
212 | int i; | |
213 | int sb_size, pipe; | |
214 | struct urb *urb; | |
215 | int j, k; | |
216 | int rc; | |
217 | ||
218 | au0828_isocdbg("au0828: called au0828_prepare_isoc\n"); | |
219 | ||
220 | /* De-allocates all pending stuff */ | |
221 | au0828_uninit_isoc(dev); | |
222 | ||
223 | dev->isoc_ctl.isoc_copy = isoc_copy; | |
224 | dev->isoc_ctl.num_bufs = num_bufs; | |
225 | ||
226 | dev->isoc_ctl.urb = kzalloc(sizeof(void *)*num_bufs, GFP_KERNEL); | |
227 | if (!dev->isoc_ctl.urb) { | |
228 | au0828_isocdbg("cannot alloc memory for usb buffers\n"); | |
229 | return -ENOMEM; | |
230 | } | |
231 | ||
232 | dev->isoc_ctl.transfer_buffer = kzalloc(sizeof(void *)*num_bufs, | |
233 | GFP_KERNEL); | |
234 | if (!dev->isoc_ctl.transfer_buffer) { | |
235 | au0828_isocdbg("cannot allocate memory for usb transfer\n"); | |
236 | kfree(dev->isoc_ctl.urb); | |
237 | return -ENOMEM; | |
238 | } | |
239 | ||
240 | dev->isoc_ctl.max_pkt_size = max_pkt_size; | |
241 | dev->isoc_ctl.buf = NULL; | |
242 | ||
243 | sb_size = max_packets * dev->isoc_ctl.max_pkt_size; | |
244 | ||
245 | /* allocate urbs and transfer buffers */ | |
246 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
247 | urb = usb_alloc_urb(max_packets, GFP_KERNEL); | |
248 | if (!urb) { | |
249 | au0828_isocdbg("cannot alloc isoc_ctl.urb %i\n", i); | |
250 | au0828_uninit_isoc(dev); | |
251 | return -ENOMEM; | |
252 | } | |
253 | dev->isoc_ctl.urb[i] = urb; | |
254 | ||
997ea58e | 255 | dev->isoc_ctl.transfer_buffer[i] = usb_alloc_coherent(dev->usbdev, |
8b2f0795 DH |
256 | sb_size, GFP_KERNEL, &urb->transfer_dma); |
257 | if (!dev->isoc_ctl.transfer_buffer[i]) { | |
258 | printk("unable to allocate %i bytes for transfer" | |
259 | " buffer %i%s\n", | |
260 | sb_size, i, | |
261 | in_interrupt() ? " while in int" : ""); | |
262 | au0828_uninit_isoc(dev); | |
263 | return -ENOMEM; | |
264 | } | |
265 | memset(dev->isoc_ctl.transfer_buffer[i], 0, sb_size); | |
266 | ||
267 | pipe = usb_rcvisocpipe(dev->usbdev, | |
268 | dev->isoc_in_endpointaddr), | |
269 | ||
270 | usb_fill_int_urb(urb, dev->usbdev, pipe, | |
271 | dev->isoc_ctl.transfer_buffer[i], sb_size, | |
272 | au0828_irq_callback, dma_q, 1); | |
273 | ||
274 | urb->number_of_packets = max_packets; | |
fadadb7d | 275 | urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; |
8b2f0795 DH |
276 | |
277 | k = 0; | |
278 | for (j = 0; j < max_packets; j++) { | |
279 | urb->iso_frame_desc[j].offset = k; | |
280 | urb->iso_frame_desc[j].length = | |
281 | dev->isoc_ctl.max_pkt_size; | |
282 | k += dev->isoc_ctl.max_pkt_size; | |
283 | } | |
284 | } | |
285 | ||
286 | init_waitqueue_head(&dma_q->wq); | |
287 | ||
288 | /* submit urbs and enables IRQ */ | |
289 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
290 | rc = usb_submit_urb(dev->isoc_ctl.urb[i], GFP_ATOMIC); | |
291 | if (rc) { | |
292 | au0828_isocdbg("submit of urb %i failed (error=%i)\n", | |
293 | i, rc); | |
294 | au0828_uninit_isoc(dev); | |
295 | return rc; | |
296 | } | |
297 | } | |
298 | ||
299 | return 0; | |
300 | } | |
301 | ||
302 | /* | |
303 | * Announces that a buffer were filled and request the next | |
304 | */ | |
305 | static inline void buffer_filled(struct au0828_dev *dev, | |
306 | struct au0828_dmaqueue *dma_q, | |
307 | struct au0828_buffer *buf) | |
308 | { | |
309 | /* Advice that buffer was filled */ | |
310 | au0828_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i); | |
311 | ||
312 | buf->vb.state = VIDEOBUF_DONE; | |
313 | buf->vb.field_count++; | |
8e6057b5 | 314 | v4l2_get_timestamp(&buf->vb.ts); |
8b2f0795 DH |
315 | |
316 | dev->isoc_ctl.buf = NULL; | |
317 | ||
318 | list_del(&buf->vb.queue); | |
319 | wake_up(&buf->vb.done); | |
320 | } | |
321 | ||
7f8eacd2 DH |
322 | static inline void vbi_buffer_filled(struct au0828_dev *dev, |
323 | struct au0828_dmaqueue *dma_q, | |
324 | struct au0828_buffer *buf) | |
325 | { | |
326 | /* Advice that buffer was filled */ | |
327 | au0828_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i); | |
328 | ||
329 | buf->vb.state = VIDEOBUF_DONE; | |
330 | buf->vb.field_count++; | |
8e6057b5 | 331 | v4l2_get_timestamp(&buf->vb.ts); |
7f8eacd2 DH |
332 | |
333 | dev->isoc_ctl.vbi_buf = NULL; | |
334 | ||
335 | list_del(&buf->vb.queue); | |
336 | wake_up(&buf->vb.done); | |
337 | } | |
338 | ||
8b2f0795 DH |
339 | /* |
340 | * Identify the buffer header type and properly handles | |
341 | */ | |
342 | static void au0828_copy_video(struct au0828_dev *dev, | |
343 | struct au0828_dmaqueue *dma_q, | |
344 | struct au0828_buffer *buf, | |
345 | unsigned char *p, | |
346 | unsigned char *outp, unsigned long len) | |
347 | { | |
348 | void *fieldstart, *startwrite, *startread; | |
349 | int linesdone, currlinedone, offset, lencopy, remain; | |
350 | int bytesperline = dev->width << 1; /* Assumes 16-bit depth @@@@ */ | |
351 | ||
7f8eacd2 DH |
352 | if (len == 0) |
353 | return; | |
354 | ||
8b2f0795 DH |
355 | if (dma_q->pos + len > buf->vb.size) |
356 | len = buf->vb.size - dma_q->pos; | |
357 | ||
358 | startread = p; | |
359 | remain = len; | |
360 | ||
361 | /* Interlaces frame */ | |
362 | if (buf->top_field) | |
363 | fieldstart = outp; | |
364 | else | |
365 | fieldstart = outp + bytesperline; | |
366 | ||
367 | linesdone = dma_q->pos / bytesperline; | |
368 | currlinedone = dma_q->pos % bytesperline; | |
369 | offset = linesdone * bytesperline * 2 + currlinedone; | |
370 | startwrite = fieldstart + offset; | |
371 | lencopy = bytesperline - currlinedone; | |
372 | lencopy = lencopy > remain ? remain : lencopy; | |
373 | ||
374 | if ((char *)startwrite + lencopy > (char *)outp + buf->vb.size) { | |
375 | au0828_isocdbg("Overflow of %zi bytes past buffer end (1)\n", | |
376 | ((char *)startwrite + lencopy) - | |
377 | ((char *)outp + buf->vb.size)); | |
378 | remain = (char *)outp + buf->vb.size - (char *)startwrite; | |
379 | lencopy = remain; | |
380 | } | |
381 | if (lencopy <= 0) | |
382 | return; | |
383 | memcpy(startwrite, startread, lencopy); | |
384 | ||
385 | remain -= lencopy; | |
386 | ||
387 | while (remain > 0) { | |
388 | startwrite += lencopy + bytesperline; | |
389 | startread += lencopy; | |
390 | if (bytesperline > remain) | |
391 | lencopy = remain; | |
392 | else | |
393 | lencopy = bytesperline; | |
394 | ||
395 | if ((char *)startwrite + lencopy > (char *)outp + | |
396 | buf->vb.size) { | |
62899a28 | 397 | au0828_isocdbg("Overflow %zi bytes past buf end (2)\n", |
8b2f0795 DH |
398 | ((char *)startwrite + lencopy) - |
399 | ((char *)outp + buf->vb.size)); | |
400 | lencopy = remain = (char *)outp + buf->vb.size - | |
401 | (char *)startwrite; | |
402 | } | |
403 | if (lencopy <= 0) | |
404 | break; | |
405 | ||
406 | memcpy(startwrite, startread, lencopy); | |
407 | ||
408 | remain -= lencopy; | |
409 | } | |
410 | ||
411 | if (offset > 1440) { | |
412 | /* We have enough data to check for greenscreen */ | |
62899a28 | 413 | if (outp[0] < 0x60 && outp[1440] < 0x60) |
8b2f0795 | 414 | dev->greenscreen_detected = 1; |
8b2f0795 DH |
415 | } |
416 | ||
417 | dma_q->pos += len; | |
418 | } | |
419 | ||
420 | /* | |
421 | * video-buf generic routine to get the next available buffer | |
422 | */ | |
423 | static inline void get_next_buf(struct au0828_dmaqueue *dma_q, | |
424 | struct au0828_buffer **buf) | |
425 | { | |
426 | struct au0828_dev *dev = container_of(dma_q, struct au0828_dev, vidq); | |
427 | ||
428 | if (list_empty(&dma_q->active)) { | |
429 | au0828_isocdbg("No active queue to serve\n"); | |
430 | dev->isoc_ctl.buf = NULL; | |
431 | *buf = NULL; | |
432 | return; | |
433 | } | |
434 | ||
435 | /* Get the next buffer */ | |
436 | *buf = list_entry(dma_q->active.next, struct au0828_buffer, vb.queue); | |
437 | dev->isoc_ctl.buf = *buf; | |
438 | ||
439 | return; | |
440 | } | |
441 | ||
7f8eacd2 DH |
442 | static void au0828_copy_vbi(struct au0828_dev *dev, |
443 | struct au0828_dmaqueue *dma_q, | |
444 | struct au0828_buffer *buf, | |
445 | unsigned char *p, | |
446 | unsigned char *outp, unsigned long len) | |
447 | { | |
448 | unsigned char *startwrite, *startread; | |
b5f5933a | 449 | int bytesperline; |
7f8eacd2 DH |
450 | int i, j = 0; |
451 | ||
452 | if (dev == NULL) { | |
453 | au0828_isocdbg("dev is null\n"); | |
454 | return; | |
455 | } | |
456 | ||
457 | if (dma_q == NULL) { | |
458 | au0828_isocdbg("dma_q is null\n"); | |
459 | return; | |
460 | } | |
461 | if (buf == NULL) | |
462 | return; | |
463 | if (p == NULL) { | |
464 | au0828_isocdbg("p is null\n"); | |
465 | return; | |
466 | } | |
467 | if (outp == NULL) { | |
468 | au0828_isocdbg("outp is null\n"); | |
469 | return; | |
470 | } | |
471 | ||
b5f5933a DC |
472 | bytesperline = dev->vbi_width; |
473 | ||
7f8eacd2 DH |
474 | if (dma_q->pos + len > buf->vb.size) |
475 | len = buf->vb.size - dma_q->pos; | |
476 | ||
477 | startread = p; | |
478 | startwrite = outp + (dma_q->pos / 2); | |
479 | ||
480 | /* Make sure the bottom field populates the second half of the frame */ | |
481 | if (buf->top_field == 0) | |
482 | startwrite += bytesperline * dev->vbi_height; | |
483 | ||
484 | for (i = 0; i < len; i += 2) | |
485 | startwrite[j++] = startread[i+1]; | |
486 | ||
487 | dma_q->pos += len; | |
488 | } | |
489 | ||
490 | ||
491 | /* | |
492 | * video-buf generic routine to get the next available VBI buffer | |
493 | */ | |
494 | static inline void vbi_get_next_buf(struct au0828_dmaqueue *dma_q, | |
495 | struct au0828_buffer **buf) | |
496 | { | |
497 | struct au0828_dev *dev = container_of(dma_q, struct au0828_dev, vbiq); | |
498 | char *outp; | |
499 | ||
500 | if (list_empty(&dma_q->active)) { | |
501 | au0828_isocdbg("No active queue to serve\n"); | |
502 | dev->isoc_ctl.vbi_buf = NULL; | |
503 | *buf = NULL; | |
504 | return; | |
505 | } | |
506 | ||
507 | /* Get the next buffer */ | |
508 | *buf = list_entry(dma_q->active.next, struct au0828_buffer, vb.queue); | |
25985edc | 509 | /* Cleans up buffer - Useful for testing for frame/URB loss */ |
7f8eacd2 DH |
510 | outp = videobuf_to_vmalloc(&(*buf)->vb); |
511 | memset(outp, 0x00, (*buf)->vb.size); | |
512 | ||
513 | dev->isoc_ctl.vbi_buf = *buf; | |
514 | ||
515 | return; | |
516 | } | |
517 | ||
8b2f0795 DH |
518 | /* |
519 | * Controls the isoc copy of each urb packet | |
520 | */ | |
521 | static inline int au0828_isoc_copy(struct au0828_dev *dev, struct urb *urb) | |
522 | { | |
523 | struct au0828_buffer *buf; | |
7f8eacd2 | 524 | struct au0828_buffer *vbi_buf; |
8b2f0795 | 525 | struct au0828_dmaqueue *dma_q = urb->context; |
7f8eacd2 | 526 | struct au0828_dmaqueue *vbi_dma_q = &dev->vbiq; |
8b2f0795 | 527 | unsigned char *outp = NULL; |
7f8eacd2 | 528 | unsigned char *vbioutp = NULL; |
8b2f0795 DH |
529 | int i, len = 0, rc = 1; |
530 | unsigned char *p; | |
531 | unsigned char fbyte; | |
7f8eacd2 DH |
532 | unsigned int vbi_field_size; |
533 | unsigned int remain, lencopy; | |
8b2f0795 DH |
534 | |
535 | if (!dev) | |
536 | return 0; | |
537 | ||
538 | if ((dev->dev_state & DEV_DISCONNECTED) || | |
539 | (dev->dev_state & DEV_MISCONFIGURED)) | |
540 | return 0; | |
541 | ||
542 | if (urb->status < 0) { | |
543 | print_err_status(dev, -1, urb->status); | |
544 | if (urb->status == -ENOENT) | |
545 | return 0; | |
546 | } | |
547 | ||
548 | buf = dev->isoc_ctl.buf; | |
549 | if (buf != NULL) | |
550 | outp = videobuf_to_vmalloc(&buf->vb); | |
551 | ||
7f8eacd2 DH |
552 | vbi_buf = dev->isoc_ctl.vbi_buf; |
553 | if (vbi_buf != NULL) | |
554 | vbioutp = videobuf_to_vmalloc(&vbi_buf->vb); | |
555 | ||
8b2f0795 DH |
556 | for (i = 0; i < urb->number_of_packets; i++) { |
557 | int status = urb->iso_frame_desc[i].status; | |
558 | ||
559 | if (status < 0) { | |
560 | print_err_status(dev, i, status); | |
561 | if (urb->iso_frame_desc[i].status != -EPROTO) | |
562 | continue; | |
563 | } | |
564 | ||
62899a28 | 565 | if (urb->iso_frame_desc[i].actual_length <= 0) |
8b2f0795 | 566 | continue; |
62899a28 | 567 | |
8b2f0795 DH |
568 | if (urb->iso_frame_desc[i].actual_length > |
569 | dev->max_pkt_size) { | |
570 | au0828_isocdbg("packet bigger than packet size"); | |
571 | continue; | |
572 | } | |
573 | ||
574 | p = urb->transfer_buffer + urb->iso_frame_desc[i].offset; | |
575 | fbyte = p[0]; | |
576 | len = urb->iso_frame_desc[i].actual_length - 4; | |
577 | p += 4; | |
578 | ||
579 | if (fbyte & 0x80) { | |
580 | len -= 4; | |
581 | p += 4; | |
582 | au0828_isocdbg("Video frame %s\n", | |
583 | (fbyte & 0x40) ? "odd" : "even"); | |
bde3bb9a | 584 | if (fbyte & 0x40) { |
7f8eacd2 DH |
585 | /* VBI */ |
586 | if (vbi_buf != NULL) | |
587 | vbi_buffer_filled(dev, | |
588 | vbi_dma_q, | |
589 | vbi_buf); | |
590 | vbi_get_next_buf(vbi_dma_q, &vbi_buf); | |
591 | if (vbi_buf == NULL) | |
592 | vbioutp = NULL; | |
593 | else | |
594 | vbioutp = videobuf_to_vmalloc( | |
595 | &vbi_buf->vb); | |
596 | ||
597 | /* Video */ | |
8b2f0795 DH |
598 | if (buf != NULL) |
599 | buffer_filled(dev, dma_q, buf); | |
600 | get_next_buf(dma_q, &buf); | |
62899a28 | 601 | if (buf == NULL) |
8b2f0795 | 602 | outp = NULL; |
62899a28 | 603 | else |
8b2f0795 | 604 | outp = videobuf_to_vmalloc(&buf->vb); |
78ca5005 DH |
605 | |
606 | /* As long as isoc traffic is arriving, keep | |
607 | resetting the timer */ | |
608 | if (dev->vid_timeout_running) | |
609 | mod_timer(&dev->vid_timeout, | |
610 | jiffies + (HZ / 10)); | |
611 | if (dev->vbi_timeout_running) | |
612 | mod_timer(&dev->vbi_timeout, | |
613 | jiffies + (HZ / 10)); | |
8b2f0795 DH |
614 | } |
615 | ||
616 | if (buf != NULL) { | |
62899a28 | 617 | if (fbyte & 0x40) |
8b2f0795 | 618 | buf->top_field = 1; |
62899a28 | 619 | else |
8b2f0795 | 620 | buf->top_field = 0; |
8b2f0795 DH |
621 | } |
622 | ||
7f8eacd2 DH |
623 | if (vbi_buf != NULL) { |
624 | if (fbyte & 0x40) | |
625 | vbi_buf->top_field = 1; | |
626 | else | |
627 | vbi_buf->top_field = 0; | |
628 | } | |
629 | ||
630 | dev->vbi_read = 0; | |
631 | vbi_dma_q->pos = 0; | |
8b2f0795 DH |
632 | dma_q->pos = 0; |
633 | } | |
7f8eacd2 DH |
634 | |
635 | vbi_field_size = dev->vbi_width * dev->vbi_height * 2; | |
636 | if (dev->vbi_read < vbi_field_size) { | |
637 | remain = vbi_field_size - dev->vbi_read; | |
638 | if (len < remain) | |
639 | lencopy = len; | |
640 | else | |
641 | lencopy = remain; | |
642 | ||
643 | if (vbi_buf != NULL) | |
644 | au0828_copy_vbi(dev, vbi_dma_q, vbi_buf, p, | |
645 | vbioutp, len); | |
646 | ||
647 | len -= lencopy; | |
648 | p += lencopy; | |
649 | dev->vbi_read += lencopy; | |
650 | } | |
651 | ||
652 | if (dev->vbi_read >= vbi_field_size && buf != NULL) | |
8b2f0795 | 653 | au0828_copy_video(dev, dma_q, buf, p, outp, len); |
8b2f0795 DH |
654 | } |
655 | return rc; | |
656 | } | |
657 | ||
658 | static int | |
659 | buffer_setup(struct videobuf_queue *vq, unsigned int *count, | |
660 | unsigned int *size) | |
661 | { | |
662 | struct au0828_fh *fh = vq->priv_data; | |
663 | *size = (fh->dev->width * fh->dev->height * 16 + 7) >> 3; | |
664 | ||
665 | if (0 == *count) | |
666 | *count = AU0828_DEF_BUF; | |
667 | ||
668 | if (*count < AU0828_MIN_BUF) | |
669 | *count = AU0828_MIN_BUF; | |
670 | return 0; | |
671 | } | |
672 | ||
673 | /* This is called *without* dev->slock held; please keep it that way */ | |
674 | static void free_buffer(struct videobuf_queue *vq, struct au0828_buffer *buf) | |
675 | { | |
676 | struct au0828_fh *fh = vq->priv_data; | |
677 | struct au0828_dev *dev = fh->dev; | |
678 | unsigned long flags = 0; | |
679 | if (in_interrupt()) | |
680 | BUG(); | |
681 | ||
682 | /* We used to wait for the buffer to finish here, but this didn't work | |
683 | because, as we were keeping the state as VIDEOBUF_QUEUED, | |
684 | videobuf_queue_cancel marked it as finished for us. | |
685 | (Also, it could wedge forever if the hardware was misconfigured.) | |
686 | ||
687 | This should be safe; by the time we get here, the buffer isn't | |
688 | queued anymore. If we ever start marking the buffers as | |
689 | VIDEOBUF_ACTIVE, it won't be, though. | |
690 | */ | |
691 | spin_lock_irqsave(&dev->slock, flags); | |
692 | if (dev->isoc_ctl.buf == buf) | |
693 | dev->isoc_ctl.buf = NULL; | |
694 | spin_unlock_irqrestore(&dev->slock, flags); | |
695 | ||
696 | videobuf_vmalloc_free(&buf->vb); | |
697 | buf->vb.state = VIDEOBUF_NEEDS_INIT; | |
698 | } | |
699 | ||
700 | static int | |
701 | buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, | |
702 | enum v4l2_field field) | |
703 | { | |
704 | struct au0828_fh *fh = vq->priv_data; | |
705 | struct au0828_buffer *buf = container_of(vb, struct au0828_buffer, vb); | |
706 | struct au0828_dev *dev = fh->dev; | |
707 | int rc = 0, urb_init = 0; | |
708 | ||
709 | buf->vb.size = (fh->dev->width * fh->dev->height * 16 + 7) >> 3; | |
710 | ||
711 | if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) | |
712 | return -EINVAL; | |
713 | ||
714 | buf->vb.width = dev->width; | |
715 | buf->vb.height = dev->height; | |
716 | buf->vb.field = field; | |
717 | ||
718 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { | |
719 | rc = videobuf_iolock(vq, &buf->vb, NULL); | |
720 | if (rc < 0) { | |
62899a28 | 721 | printk(KERN_INFO "videobuf_iolock failed\n"); |
8b2f0795 DH |
722 | goto fail; |
723 | } | |
724 | } | |
725 | ||
726 | if (!dev->isoc_ctl.num_bufs) | |
727 | urb_init = 1; | |
728 | ||
729 | if (urb_init) { | |
730 | rc = au0828_init_isoc(dev, AU0828_ISO_PACKETS_PER_URB, | |
731 | AU0828_MAX_ISO_BUFS, dev->max_pkt_size, | |
732 | au0828_isoc_copy); | |
733 | if (rc < 0) { | |
62899a28 | 734 | printk(KERN_INFO "au0828_init_isoc failed\n"); |
8b2f0795 DH |
735 | goto fail; |
736 | } | |
737 | } | |
738 | ||
739 | buf->vb.state = VIDEOBUF_PREPARED; | |
740 | return 0; | |
741 | ||
742 | fail: | |
743 | free_buffer(vq, buf); | |
744 | return rc; | |
745 | } | |
746 | ||
747 | static void | |
748 | buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) | |
749 | { | |
750 | struct au0828_buffer *buf = container_of(vb, | |
751 | struct au0828_buffer, | |
752 | vb); | |
753 | struct au0828_fh *fh = vq->priv_data; | |
754 | struct au0828_dev *dev = fh->dev; | |
755 | struct au0828_dmaqueue *vidq = &dev->vidq; | |
756 | ||
757 | buf->vb.state = VIDEOBUF_QUEUED; | |
758 | list_add_tail(&buf->vb.queue, &vidq->active); | |
759 | } | |
760 | ||
761 | static void buffer_release(struct videobuf_queue *vq, | |
762 | struct videobuf_buffer *vb) | |
763 | { | |
764 | struct au0828_buffer *buf = container_of(vb, | |
765 | struct au0828_buffer, | |
766 | vb); | |
767 | ||
768 | free_buffer(vq, buf); | |
769 | } | |
770 | ||
771 | static struct videobuf_queue_ops au0828_video_qops = { | |
772 | .buf_setup = buffer_setup, | |
773 | .buf_prepare = buffer_prepare, | |
774 | .buf_queue = buffer_queue, | |
775 | .buf_release = buffer_release, | |
776 | }; | |
777 | ||
778 | /* ------------------------------------------------------------------ | |
779 | V4L2 interface | |
780 | ------------------------------------------------------------------*/ | |
781 | ||
782 | static int au0828_i2s_init(struct au0828_dev *dev) | |
783 | { | |
784 | /* Enable i2s mode */ | |
785 | au0828_writereg(dev, AU0828_AUDIOCTRL_50C, 0x01); | |
786 | return 0; | |
787 | } | |
788 | ||
789 | /* | |
790 | * Auvitek au0828 analog stream enable | |
8b2f0795 | 791 | */ |
a094ca46 | 792 | static int au0828_analog_stream_enable(struct au0828_dev *d) |
8b2f0795 | 793 | { |
f3e8f271 MCC |
794 | struct usb_interface *iface; |
795 | int ret; | |
796 | ||
8b2f0795 | 797 | dprintk(1, "au0828_analog_stream_enable called\n"); |
f3e8f271 MCC |
798 | |
799 | iface = usb_ifnum_to_if(d->usbdev, 0); | |
800 | if (iface && iface->cur_altsetting->desc.bAlternateSetting != 5) { | |
801 | dprintk(1, "Changing intf#0 to alt 5\n"); | |
802 | /* set au0828 interface0 to AS5 here again */ | |
803 | ret = usb_set_interface(d->usbdev, 0, 5); | |
804 | if (ret < 0) { | |
805 | printk(KERN_INFO "Au0828 can't set alt setting to 5!\n"); | |
806 | return -EBUSY; | |
807 | } | |
808 | } | |
809 | ||
810 | /* FIXME: size should be calculated using d->width, d->height */ | |
811 | ||
8b2f0795 DH |
812 | au0828_writereg(d, AU0828_SENSORCTRL_VBI_103, 0x00); |
813 | au0828_writereg(d, 0x106, 0x00); | |
814 | /* set x position */ | |
815 | au0828_writereg(d, 0x110, 0x00); | |
816 | au0828_writereg(d, 0x111, 0x00); | |
817 | au0828_writereg(d, 0x114, 0xa0); | |
818 | au0828_writereg(d, 0x115, 0x05); | |
819 | /* set y position */ | |
7f8eacd2 | 820 | au0828_writereg(d, 0x112, 0x00); |
8b2f0795 DH |
821 | au0828_writereg(d, 0x113, 0x00); |
822 | au0828_writereg(d, 0x116, 0xf2); | |
823 | au0828_writereg(d, 0x117, 0x00); | |
824 | au0828_writereg(d, AU0828_SENSORCTRL_100, 0xb3); | |
825 | ||
826 | return 0; | |
827 | } | |
828 | ||
829 | int au0828_analog_stream_disable(struct au0828_dev *d) | |
830 | { | |
831 | dprintk(1, "au0828_analog_stream_disable called\n"); | |
832 | au0828_writereg(d, AU0828_SENSORCTRL_100, 0x0); | |
833 | return 0; | |
834 | } | |
835 | ||
a094ca46 | 836 | static void au0828_analog_stream_reset(struct au0828_dev *dev) |
8b2f0795 DH |
837 | { |
838 | dprintk(1, "au0828_analog_stream_reset called\n"); | |
839 | au0828_writereg(dev, AU0828_SENSORCTRL_100, 0x0); | |
840 | mdelay(30); | |
841 | au0828_writereg(dev, AU0828_SENSORCTRL_100, 0xb3); | |
842 | } | |
843 | ||
844 | /* | |
845 | * Some operations needs to stop current streaming | |
846 | */ | |
847 | static int au0828_stream_interrupt(struct au0828_dev *dev) | |
848 | { | |
849 | int ret = 0; | |
850 | ||
851 | dev->stream_state = STREAM_INTERRUPT; | |
62899a28 | 852 | if (dev->dev_state == DEV_DISCONNECTED) |
8b2f0795 | 853 | return -ENODEV; |
62899a28 | 854 | else if (ret) { |
8b2f0795 | 855 | dev->dev_state = DEV_MISCONFIGURED; |
62899a28 | 856 | dprintk(1, "%s device is misconfigured!\n", __func__); |
8b2f0795 DH |
857 | return ret; |
858 | } | |
859 | return 0; | |
860 | } | |
861 | ||
862 | /* | |
863 | * au0828_release_resources | |
864 | * unregister v4l2 devices | |
865 | */ | |
866 | void au0828_analog_unregister(struct au0828_dev *dev) | |
867 | { | |
868 | dprintk(1, "au0828_release_resources called\n"); | |
869 | mutex_lock(&au0828_sysfs_lock); | |
870 | ||
63b0d5ad | 871 | if (dev->vdev) |
5a5a4e16 DH |
872 | video_unregister_device(dev->vdev); |
873 | if (dev->vbi_dev) | |
874 | video_unregister_device(dev->vbi_dev); | |
8b2f0795 DH |
875 | |
876 | mutex_unlock(&au0828_sysfs_lock); | |
877 | } | |
878 | ||
879 | ||
880 | /* Usage lock check functions */ | |
7f8eacd2 | 881 | static int res_get(struct au0828_fh *fh, unsigned int bit) |
8b2f0795 | 882 | { |
7f8eacd2 | 883 | struct au0828_dev *dev = fh->dev; |
8b2f0795 | 884 | |
7f8eacd2 DH |
885 | if (fh->resources & bit) |
886 | /* have it already allocated */ | |
887 | return 1; | |
8b2f0795 | 888 | |
7f8eacd2 | 889 | /* is it free? */ |
7f8eacd2 DH |
890 | if (dev->resources & bit) { |
891 | /* no, someone else uses it */ | |
7f8eacd2 DH |
892 | return 0; |
893 | } | |
894 | /* it's free, grab it */ | |
895 | fh->resources |= bit; | |
896 | dev->resources |= bit; | |
897 | dprintk(1, "res: get %d\n", bit); | |
549ee4df | 898 | |
7f8eacd2 DH |
899 | return 1; |
900 | } | |
8b2f0795 | 901 | |
7f8eacd2 DH |
902 | static int res_check(struct au0828_fh *fh, unsigned int bit) |
903 | { | |
904 | return fh->resources & bit; | |
8b2f0795 DH |
905 | } |
906 | ||
7f8eacd2 | 907 | static int res_locked(struct au0828_dev *dev, unsigned int bit) |
8b2f0795 | 908 | { |
7f8eacd2 | 909 | return dev->resources & bit; |
8b2f0795 DH |
910 | } |
911 | ||
7f8eacd2 | 912 | static void res_free(struct au0828_fh *fh, unsigned int bits) |
8b2f0795 | 913 | { |
7f8eacd2 DH |
914 | struct au0828_dev *dev = fh->dev; |
915 | ||
916 | BUG_ON((fh->resources & bits) != bits); | |
8b2f0795 | 917 | |
7f8eacd2 DH |
918 | fh->resources &= ~bits; |
919 | dev->resources &= ~bits; | |
920 | dprintk(1, "res: put %d\n", bits); | |
7f8eacd2 DH |
921 | } |
922 | ||
923 | static int get_ressource(struct au0828_fh *fh) | |
924 | { | |
925 | switch (fh->type) { | |
926 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
927 | return AU0828_RESOURCE_VIDEO; | |
928 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
929 | return AU0828_RESOURCE_VBI; | |
930 | default: | |
931 | BUG(); | |
932 | return 0; | |
933 | } | |
8b2f0795 DH |
934 | } |
935 | ||
6e04b7b9 DH |
936 | /* This function ensures that video frames continue to be delivered even if |
937 | the ITU-656 input isn't receiving any data (thereby preventing applications | |
938 | such as tvtime from hanging) */ | |
a094ca46 | 939 | static void au0828_vid_buffer_timeout(unsigned long data) |
6e04b7b9 DH |
940 | { |
941 | struct au0828_dev *dev = (struct au0828_dev *) data; | |
942 | struct au0828_dmaqueue *dma_q = &dev->vidq; | |
943 | struct au0828_buffer *buf; | |
944 | unsigned char *vid_data; | |
78ca5005 | 945 | unsigned long flags = 0; |
6e04b7b9 | 946 | |
78ca5005 | 947 | spin_lock_irqsave(&dev->slock, flags); |
6e04b7b9 DH |
948 | |
949 | buf = dev->isoc_ctl.buf; | |
950 | if (buf != NULL) { | |
951 | vid_data = videobuf_to_vmalloc(&buf->vb); | |
952 | memset(vid_data, 0x00, buf->vb.size); /* Blank green frame */ | |
953 | buffer_filled(dev, dma_q, buf); | |
6e04b7b9 | 954 | } |
78ca5005 DH |
955 | get_next_buf(dma_q, &buf); |
956 | ||
957 | if (dev->vid_timeout_running == 1) | |
958 | mod_timer(&dev->vid_timeout, jiffies + (HZ / 10)); | |
6e04b7b9 | 959 | |
78ca5005 | 960 | spin_unlock_irqrestore(&dev->slock, flags); |
6e04b7b9 DH |
961 | } |
962 | ||
a094ca46 | 963 | static void au0828_vbi_buffer_timeout(unsigned long data) |
6e04b7b9 DH |
964 | { |
965 | struct au0828_dev *dev = (struct au0828_dev *) data; | |
966 | struct au0828_dmaqueue *dma_q = &dev->vbiq; | |
967 | struct au0828_buffer *buf; | |
968 | unsigned char *vbi_data; | |
78ca5005 | 969 | unsigned long flags = 0; |
6e04b7b9 | 970 | |
78ca5005 | 971 | spin_lock_irqsave(&dev->slock, flags); |
6e04b7b9 DH |
972 | |
973 | buf = dev->isoc_ctl.vbi_buf; | |
974 | if (buf != NULL) { | |
975 | vbi_data = videobuf_to_vmalloc(&buf->vb); | |
976 | memset(vbi_data, 0x00, buf->vb.size); | |
977 | vbi_buffer_filled(dev, dma_q, buf); | |
6e04b7b9 | 978 | } |
78ca5005 | 979 | vbi_get_next_buf(dma_q, &buf); |
6e04b7b9 | 980 | |
78ca5005 DH |
981 | if (dev->vbi_timeout_running == 1) |
982 | mod_timer(&dev->vbi_timeout, jiffies + (HZ / 10)); | |
983 | spin_unlock_irqrestore(&dev->slock, flags); | |
6e04b7b9 DH |
984 | } |
985 | ||
986 | ||
8b2f0795 DH |
987 | static int au0828_v4l2_open(struct file *filp) |
988 | { | |
8b2f0795 | 989 | int ret = 0; |
7f8eacd2 | 990 | struct video_device *vdev = video_devdata(filp); |
63b0d5ad | 991 | struct au0828_dev *dev = video_drvdata(filp); |
8b2f0795 | 992 | struct au0828_fh *fh; |
7f8eacd2 | 993 | int type; |
63b0d5ad | 994 | |
7f8eacd2 DH |
995 | switch (vdev->vfl_type) { |
996 | case VFL_TYPE_GRABBER: | |
997 | type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
998 | break; | |
999 | case VFL_TYPE_VBI: | |
63b0d5ad | 1000 | type = V4L2_BUF_TYPE_VBI_CAPTURE; |
7f8eacd2 DH |
1001 | break; |
1002 | default: | |
1003 | return -EINVAL; | |
1004 | } | |
8b2f0795 DH |
1005 | |
1006 | fh = kzalloc(sizeof(struct au0828_fh), GFP_KERNEL); | |
62899a28 | 1007 | if (NULL == fh) { |
8b2f0795 DH |
1008 | dprintk(1, "Failed allocate au0828_fh struct!\n"); |
1009 | return -ENOMEM; | |
1010 | } | |
1011 | ||
1012 | fh->type = type; | |
1013 | fh->dev = dev; | |
83b09422 | 1014 | v4l2_fh_init(&fh->fh, vdev); |
8b2f0795 DH |
1015 | filp->private_data = fh; |
1016 | ||
ea86968f HV |
1017 | if (mutex_lock_interruptible(&dev->lock)) { |
1018 | kfree(fh); | |
1019 | return -ERESTARTSYS; | |
1020 | } | |
1021 | if (dev->users == 0) { | |
8b2f0795 DH |
1022 | au0828_analog_stream_enable(dev); |
1023 | au0828_analog_stream_reset(dev); | |
1024 | ||
1025 | /* If we were doing ac97 instead of i2s, it would go here...*/ | |
1026 | au0828_i2s_init(dev); | |
1027 | ||
1028 | dev->stream_state = STREAM_OFF; | |
1029 | dev->dev_state |= DEV_INITIALIZED; | |
1030 | } | |
1031 | ||
1032 | dev->users++; | |
ea86968f | 1033 | mutex_unlock(&dev->lock); |
8b2f0795 DH |
1034 | |
1035 | videobuf_queue_vmalloc_init(&fh->vb_vidq, &au0828_video_qops, | |
7f8eacd2 DH |
1036 | NULL, &dev->slock, |
1037 | V4L2_BUF_TYPE_VIDEO_CAPTURE, | |
8b2f0795 | 1038 | V4L2_FIELD_INTERLACED, |
549ee4df DH |
1039 | sizeof(struct au0828_buffer), fh, |
1040 | &dev->lock); | |
8b2f0795 | 1041 | |
7f8eacd2 | 1042 | /* VBI Setup */ |
7f8eacd2 DH |
1043 | videobuf_queue_vmalloc_init(&fh->vb_vbiq, &au0828_vbi_qops, |
1044 | NULL, &dev->slock, | |
1045 | V4L2_BUF_TYPE_VBI_CAPTURE, | |
1046 | V4L2_FIELD_SEQ_TB, | |
549ee4df DH |
1047 | sizeof(struct au0828_buffer), fh, |
1048 | &dev->lock); | |
83b09422 | 1049 | v4l2_fh_add(&fh->fh); |
8b2f0795 DH |
1050 | return ret; |
1051 | } | |
1052 | ||
1053 | static int au0828_v4l2_close(struct file *filp) | |
1054 | { | |
1055 | int ret; | |
1056 | struct au0828_fh *fh = filp->private_data; | |
1057 | struct au0828_dev *dev = fh->dev; | |
1058 | ||
83b09422 HV |
1059 | v4l2_fh_del(&fh->fh); |
1060 | v4l2_fh_exit(&fh->fh); | |
ea86968f | 1061 | mutex_lock(&dev->lock); |
7f8eacd2 | 1062 | if (res_check(fh, AU0828_RESOURCE_VIDEO)) { |
78ca5005 DH |
1063 | /* Cancel timeout thread in case they didn't call streamoff */ |
1064 | dev->vid_timeout_running = 0; | |
1065 | del_timer_sync(&dev->vid_timeout); | |
1066 | ||
8b2f0795 | 1067 | videobuf_stop(&fh->vb_vidq); |
7f8eacd2 DH |
1068 | res_free(fh, AU0828_RESOURCE_VIDEO); |
1069 | } | |
8b2f0795 | 1070 | |
7f8eacd2 | 1071 | if (res_check(fh, AU0828_RESOURCE_VBI)) { |
78ca5005 DH |
1072 | /* Cancel timeout thread in case they didn't call streamoff */ |
1073 | dev->vbi_timeout_running = 0; | |
1074 | del_timer_sync(&dev->vbi_timeout); | |
1075 | ||
7f8eacd2 DH |
1076 | videobuf_stop(&fh->vb_vbiq); |
1077 | res_free(fh, AU0828_RESOURCE_VBI); | |
1078 | } | |
1079 | ||
823beb7e | 1080 | if (dev->users == 1 && video_is_registered(video_devdata(filp))) { |
8b2f0795 DH |
1081 | au0828_analog_stream_disable(dev); |
1082 | ||
1083 | au0828_uninit_isoc(dev); | |
1084 | ||
e4b8bc52 | 1085 | /* Save some power by putting tuner to sleep */ |
622b828a | 1086 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_power, 0); |
ea86968f | 1087 | dev->std_set_in_tuner_core = 0; |
e4b8bc52 | 1088 | |
8b2f0795 DH |
1089 | /* When close the device, set the usb intf0 into alt0 to free |
1090 | USB bandwidth */ | |
1091 | ret = usb_set_interface(dev->usbdev, 0, 0); | |
62899a28 DH |
1092 | if (ret < 0) |
1093 | printk(KERN_INFO "Au0828 can't set alternate to 0!\n"); | |
8b2f0795 | 1094 | } |
ea86968f | 1095 | mutex_unlock(&dev->lock); |
8b2f0795 | 1096 | |
7f8eacd2 DH |
1097 | videobuf_mmap_free(&fh->vb_vidq); |
1098 | videobuf_mmap_free(&fh->vb_vbiq); | |
8b2f0795 DH |
1099 | kfree(fh); |
1100 | dev->users--; | |
1101 | wake_up_interruptible_nr(&dev->open, 1); | |
8b2f0795 DH |
1102 | return 0; |
1103 | } | |
1104 | ||
ea86968f HV |
1105 | /* Must be called with dev->lock held */ |
1106 | static void au0828_init_tuner(struct au0828_dev *dev) | |
1107 | { | |
1108 | struct v4l2_frequency f = { | |
1109 | .frequency = dev->ctrl_freq, | |
1110 | .type = V4L2_TUNER_ANALOG_TV, | |
1111 | }; | |
1112 | ||
1113 | if (dev->std_set_in_tuner_core) | |
1114 | return; | |
1115 | dev->std_set_in_tuner_core = 1; | |
1116 | i2c_gate_ctrl(dev, 1); | |
1117 | /* If we've never sent the standard in tuner core, do so now. | |
1118 | We don't do this at device probe because we don't want to | |
1119 | incur the cost of a firmware load */ | |
1120 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_std, dev->std); | |
1121 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, &f); | |
1122 | i2c_gate_ctrl(dev, 0); | |
1123 | } | |
1124 | ||
8b2f0795 DH |
1125 | static ssize_t au0828_v4l2_read(struct file *filp, char __user *buf, |
1126 | size_t count, loff_t *pos) | |
1127 | { | |
1128 | struct au0828_fh *fh = filp->private_data; | |
1129 | struct au0828_dev *dev = fh->dev; | |
1130 | int rc; | |
1131 | ||
1132 | rc = check_dev(dev); | |
1133 | if (rc < 0) | |
1134 | return rc; | |
1135 | ||
ea86968f HV |
1136 | if (mutex_lock_interruptible(&dev->lock)) |
1137 | return -ERESTARTSYS; | |
1138 | au0828_init_tuner(dev); | |
1139 | mutex_unlock(&dev->lock); | |
1140 | ||
62899a28 | 1141 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
7f8eacd2 DH |
1142 | if (res_locked(dev, AU0828_RESOURCE_VIDEO)) |
1143 | return -EBUSY; | |
8b2f0795 DH |
1144 | |
1145 | return videobuf_read_stream(&fh->vb_vidq, buf, count, pos, 0, | |
1146 | filp->f_flags & O_NONBLOCK); | |
1147 | } | |
7f8eacd2 DH |
1148 | |
1149 | if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { | |
1150 | if (!res_get(fh, AU0828_RESOURCE_VBI)) | |
1151 | return -EBUSY; | |
1152 | ||
bf797165 DH |
1153 | if (dev->vbi_timeout_running == 0) { |
1154 | /* Handle case where caller tries to read without | |
1155 | calling streamon first */ | |
1156 | dev->vbi_timeout_running = 1; | |
1157 | mod_timer(&dev->vbi_timeout, jiffies + (HZ / 10)); | |
1158 | } | |
1159 | ||
7f8eacd2 DH |
1160 | return videobuf_read_stream(&fh->vb_vbiq, buf, count, pos, 0, |
1161 | filp->f_flags & O_NONBLOCK); | |
1162 | } | |
1163 | ||
8b2f0795 DH |
1164 | return 0; |
1165 | } | |
1166 | ||
1167 | static unsigned int au0828_v4l2_poll(struct file *filp, poll_table *wait) | |
1168 | { | |
1169 | struct au0828_fh *fh = filp->private_data; | |
1170 | struct au0828_dev *dev = fh->dev; | |
83b09422 HV |
1171 | unsigned long req_events = poll_requested_events(wait); |
1172 | unsigned int res; | |
8b2f0795 | 1173 | |
83b09422 HV |
1174 | if (check_dev(dev) < 0) |
1175 | return POLLERR; | |
1176 | ||
1177 | res = v4l2_ctrl_poll(filp, wait); | |
1178 | if (!(req_events & (POLLIN | POLLRDNORM))) | |
1179 | return res; | |
8b2f0795 | 1180 | |
ea86968f HV |
1181 | if (mutex_lock_interruptible(&dev->lock)) |
1182 | return -ERESTARTSYS; | |
1183 | au0828_init_tuner(dev); | |
1184 | mutex_unlock(&dev->lock); | |
1185 | ||
7f8eacd2 DH |
1186 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
1187 | if (!res_get(fh, AU0828_RESOURCE_VIDEO)) | |
1188 | return POLLERR; | |
83b09422 HV |
1189 | return res | videobuf_poll_stream(filp, &fh->vb_vidq, wait); |
1190 | } | |
1191 | if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { | |
7f8eacd2 DH |
1192 | if (!res_get(fh, AU0828_RESOURCE_VBI)) |
1193 | return POLLERR; | |
83b09422 | 1194 | return res | videobuf_poll_stream(filp, &fh->vb_vbiq, wait); |
7f8eacd2 | 1195 | } |
83b09422 | 1196 | return POLLERR; |
8b2f0795 DH |
1197 | } |
1198 | ||
1199 | static int au0828_v4l2_mmap(struct file *filp, struct vm_area_struct *vma) | |
1200 | { | |
1201 | struct au0828_fh *fh = filp->private_data; | |
1202 | struct au0828_dev *dev = fh->dev; | |
1203 | int rc; | |
1204 | ||
1205 | rc = check_dev(dev); | |
1206 | if (rc < 0) | |
1207 | return rc; | |
1208 | ||
7f8eacd2 DH |
1209 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1210 | rc = videobuf_mmap_mapper(&fh->vb_vidq, vma); | |
1211 | else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) | |
1212 | rc = videobuf_mmap_mapper(&fh->vb_vbiq, vma); | |
8b2f0795 | 1213 | |
8b2f0795 DH |
1214 | return rc; |
1215 | } | |
1216 | ||
1217 | static int au0828_set_format(struct au0828_dev *dev, unsigned int cmd, | |
1218 | struct v4l2_format *format) | |
1219 | { | |
1220 | int ret; | |
1221 | int width = format->fmt.pix.width; | |
1222 | int height = format->fmt.pix.height; | |
8b2f0795 | 1223 | |
8b2f0795 DH |
1224 | /* If they are demanding a format other than the one we support, |
1225 | bail out (tvtime asks for UYVY and then retries with YUYV) */ | |
62899a28 | 1226 | if (format->fmt.pix.pixelformat != V4L2_PIX_FMT_UYVY) |
8b2f0795 | 1227 | return -EINVAL; |
8b2f0795 DH |
1228 | |
1229 | /* format->fmt.pix.width only support 720 and height 480 */ | |
62899a28 | 1230 | if (width != 720) |
8b2f0795 | 1231 | width = 720; |
62899a28 | 1232 | if (height != 480) |
8b2f0795 DH |
1233 | height = 480; |
1234 | ||
1235 | format->fmt.pix.width = width; | |
1236 | format->fmt.pix.height = height; | |
1237 | format->fmt.pix.pixelformat = V4L2_PIX_FMT_UYVY; | |
1238 | format->fmt.pix.bytesperline = width * 2; | |
1239 | format->fmt.pix.sizeimage = width * height * 2; | |
1240 | format->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; | |
1241 | format->fmt.pix.field = V4L2_FIELD_INTERLACED; | |
8d86e4e8 | 1242 | format->fmt.pix.priv = 0; |
8b2f0795 | 1243 | |
62899a28 | 1244 | if (cmd == VIDIOC_TRY_FMT) |
8b2f0795 DH |
1245 | return 0; |
1246 | ||
1247 | /* maybe set new image format, driver current only support 720*480 */ | |
1248 | dev->width = width; | |
1249 | dev->height = height; | |
1250 | dev->frame_size = width * height * 2; | |
1251 | dev->field_size = width * height; | |
1252 | dev->bytesperline = width * 2; | |
1253 | ||
62899a28 | 1254 | if (dev->stream_state == STREAM_ON) { |
8b2f0795 | 1255 | dprintk(1, "VIDIOC_SET_FMT: interrupting stream!\n"); |
62899a28 DH |
1256 | ret = au0828_stream_interrupt(dev); |
1257 | if (ret != 0) { | |
8b2f0795 DH |
1258 | dprintk(1, "error interrupting video stream!\n"); |
1259 | return ret; | |
1260 | } | |
1261 | } | |
1262 | ||
8b2f0795 DH |
1263 | au0828_analog_stream_enable(dev); |
1264 | ||
1265 | return 0; | |
1266 | } | |
1267 | ||
1268 | ||
8b2f0795 DH |
1269 | static int vidioc_querycap(struct file *file, void *priv, |
1270 | struct v4l2_capability *cap) | |
1271 | { | |
59e05484 HV |
1272 | struct video_device *vdev = video_devdata(file); |
1273 | struct au0828_fh *fh = priv; | |
8b2f0795 DH |
1274 | struct au0828_dev *dev = fh->dev; |
1275 | ||
8b2f0795 | 1276 | strlcpy(cap->driver, "au0828", sizeof(cap->driver)); |
f1add5b5 | 1277 | strlcpy(cap->card, dev->board.name, sizeof(cap->card)); |
59e05484 | 1278 | usb_make_path(dev->usbdev, cap->bus_info, sizeof(cap->bus_info)); |
8b2f0795 | 1279 | |
59e05484 HV |
1280 | /* set the device capabilities */ |
1281 | cap->device_caps = V4L2_CAP_AUDIO | | |
8b2f0795 DH |
1282 | V4L2_CAP_READWRITE | |
1283 | V4L2_CAP_STREAMING | | |
1284 | V4L2_CAP_TUNER; | |
59e05484 HV |
1285 | if (vdev->vfl_type == VFL_TYPE_GRABBER) |
1286 | cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE; | |
1287 | else | |
1288 | cap->device_caps |= V4L2_CAP_VBI_CAPTURE; | |
1289 | cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS | | |
1290 | V4L2_CAP_VBI_CAPTURE | V4L2_CAP_VIDEO_CAPTURE; | |
8b2f0795 DH |
1291 | return 0; |
1292 | } | |
1293 | ||
1294 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, | |
1295 | struct v4l2_fmtdesc *f) | |
1296 | { | |
62899a28 | 1297 | if (f->index) |
8b2f0795 DH |
1298 | return -EINVAL; |
1299 | ||
8b2f0795 DH |
1300 | f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
1301 | strcpy(f->description, "Packed YUV2"); | |
1302 | ||
1303 | f->flags = 0; | |
1304 | f->pixelformat = V4L2_PIX_FMT_UYVY; | |
1305 | ||
8b2f0795 DH |
1306 | return 0; |
1307 | } | |
1308 | ||
1309 | static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, | |
1310 | struct v4l2_format *f) | |
1311 | { | |
1312 | struct au0828_fh *fh = priv; | |
1313 | struct au0828_dev *dev = fh->dev; | |
1314 | ||
1315 | f->fmt.pix.width = dev->width; | |
1316 | f->fmt.pix.height = dev->height; | |
1317 | f->fmt.pix.pixelformat = V4L2_PIX_FMT_UYVY; | |
1318 | f->fmt.pix.bytesperline = dev->bytesperline; | |
1319 | f->fmt.pix.sizeimage = dev->frame_size; | |
1320 | f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; /* NTSC/PAL */ | |
1321 | f->fmt.pix.field = V4L2_FIELD_INTERLACED; | |
8d86e4e8 | 1322 | f->fmt.pix.priv = 0; |
8b2f0795 DH |
1323 | return 0; |
1324 | } | |
1325 | ||
1326 | static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, | |
1327 | struct v4l2_format *f) | |
1328 | { | |
1329 | struct au0828_fh *fh = priv; | |
1330 | struct au0828_dev *dev = fh->dev; | |
1331 | ||
1332 | return au0828_set_format(dev, VIDIOC_TRY_FMT, f); | |
1333 | } | |
1334 | ||
1335 | static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, | |
1336 | struct v4l2_format *f) | |
1337 | { | |
1338 | struct au0828_fh *fh = priv; | |
1339 | struct au0828_dev *dev = fh->dev; | |
1340 | int rc; | |
1341 | ||
7f8eacd2 DH |
1342 | rc = check_dev(dev); |
1343 | if (rc < 0) | |
1344 | return rc; | |
1345 | ||
8b2f0795 | 1346 | if (videobuf_queue_is_busy(&fh->vb_vidq)) { |
62899a28 | 1347 | printk(KERN_INFO "%s queue busy\n", __func__); |
8b2f0795 DH |
1348 | rc = -EBUSY; |
1349 | goto out; | |
1350 | } | |
1351 | ||
7f8eacd2 | 1352 | rc = au0828_set_format(dev, VIDIOC_S_FMT, f); |
8b2f0795 DH |
1353 | out: |
1354 | return rc; | |
1355 | } | |
1356 | ||
314527ac | 1357 | static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id norm) |
8b2f0795 DH |
1358 | { |
1359 | struct au0828_fh *fh = priv; | |
1360 | struct au0828_dev *dev = fh->dev; | |
1361 | ||
ea86968f HV |
1362 | dev->std = norm; |
1363 | ||
1364 | au0828_init_tuner(dev); | |
1365 | ||
fa09cb9a | 1366 | i2c_gate_ctrl(dev, 1); |
e58071f0 | 1367 | |
8b2f0795 DH |
1368 | /* FIXME: when we support something other than NTSC, we are going to |
1369 | have to make the au0828 bridge adjust the size of its capture | |
1370 | buffer, which is currently hardcoded at 720x480 */ | |
1371 | ||
314527ac | 1372 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_std, norm); |
e58071f0 | 1373 | |
fa09cb9a | 1374 | i2c_gate_ctrl(dev, 0); |
e58071f0 | 1375 | |
8b2f0795 DH |
1376 | return 0; |
1377 | } | |
1378 | ||
33b6b89b HV |
1379 | static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *norm) |
1380 | { | |
1381 | struct au0828_fh *fh = priv; | |
1382 | struct au0828_dev *dev = fh->dev; | |
1383 | ||
1384 | *norm = dev->std; | |
1385 | return 0; | |
1386 | } | |
1387 | ||
8b2f0795 DH |
1388 | static int vidioc_enum_input(struct file *file, void *priv, |
1389 | struct v4l2_input *input) | |
1390 | { | |
1391 | struct au0828_fh *fh = priv; | |
1392 | struct au0828_dev *dev = fh->dev; | |
1393 | unsigned int tmp; | |
1394 | ||
1395 | static const char *inames[] = { | |
3d62287e | 1396 | [AU0828_VMUX_UNDEFINED] = "Undefined", |
8b2f0795 DH |
1397 | [AU0828_VMUX_COMPOSITE] = "Composite", |
1398 | [AU0828_VMUX_SVIDEO] = "S-Video", | |
1399 | [AU0828_VMUX_CABLE] = "Cable TV", | |
1400 | [AU0828_VMUX_TELEVISION] = "Television", | |
1401 | [AU0828_VMUX_DVB] = "DVB", | |
1402 | [AU0828_VMUX_DEBUG] = "tv debug" | |
1403 | }; | |
1404 | ||
1405 | tmp = input->index; | |
1406 | ||
f5e20c34 | 1407 | if (tmp >= AU0828_MAX_INPUT) |
8b2f0795 | 1408 | return -EINVAL; |
62899a28 | 1409 | if (AUVI_INPUT(tmp).type == 0) |
8b2f0795 DH |
1410 | return -EINVAL; |
1411 | ||
8b2f0795 | 1412 | input->index = tmp; |
f1add5b5 | 1413 | strcpy(input->name, inames[AUVI_INPUT(tmp).type]); |
62899a28 | 1414 | if ((AUVI_INPUT(tmp).type == AU0828_VMUX_TELEVISION) || |
a2cf96f9 | 1415 | (AUVI_INPUT(tmp).type == AU0828_VMUX_CABLE)) { |
8b2f0795 | 1416 | input->type |= V4L2_INPUT_TYPE_TUNER; |
a2cf96f9 HV |
1417 | input->audioset = 1; |
1418 | } else { | |
8b2f0795 | 1419 | input->type |= V4L2_INPUT_TYPE_CAMERA; |
a2cf96f9 HV |
1420 | input->audioset = 2; |
1421 | } | |
8b2f0795 DH |
1422 | |
1423 | input->std = dev->vdev->tvnorms; | |
1424 | ||
1425 | return 0; | |
1426 | } | |
1427 | ||
1428 | static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) | |
1429 | { | |
1430 | struct au0828_fh *fh = priv; | |
1431 | struct au0828_dev *dev = fh->dev; | |
1432 | *i = dev->ctrl_input; | |
1433 | return 0; | |
1434 | } | |
1435 | ||
56230d1e | 1436 | static void au0828_s_input(struct au0828_dev *dev, int index) |
8b2f0795 | 1437 | { |
8b2f0795 | 1438 | int i; |
8b2f0795 | 1439 | |
62899a28 | 1440 | switch (AUVI_INPUT(index).type) { |
8b2f0795 | 1441 | case AU0828_VMUX_SVIDEO: |
8b2f0795 | 1442 | dev->input_type = AU0828_VMUX_SVIDEO; |
a2cf96f9 | 1443 | dev->ctrl_ainput = 1; |
8b2f0795 | 1444 | break; |
8b2f0795 | 1445 | case AU0828_VMUX_COMPOSITE: |
8b2f0795 | 1446 | dev->input_type = AU0828_VMUX_COMPOSITE; |
a2cf96f9 | 1447 | dev->ctrl_ainput = 1; |
8b2f0795 | 1448 | break; |
8b2f0795 | 1449 | case AU0828_VMUX_TELEVISION: |
8b2f0795 | 1450 | dev->input_type = AU0828_VMUX_TELEVISION; |
a2cf96f9 | 1451 | dev->ctrl_ainput = 0; |
8b2f0795 | 1452 | break; |
8b2f0795 | 1453 | default: |
56230d1e | 1454 | dprintk(1, "unknown input type set [%d]\n", |
a1094c4c DH |
1455 | AUVI_INPUT(index).type); |
1456 | break; | |
8b2f0795 DH |
1457 | } |
1458 | ||
5325b427 HV |
1459 | v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_routing, |
1460 | AUVI_INPUT(index).vmux, 0, 0); | |
8b2f0795 DH |
1461 | |
1462 | for (i = 0; i < AU0828_MAX_INPUT; i++) { | |
1463 | int enable = 0; | |
62899a28 | 1464 | if (AUVI_INPUT(i).audio_setup == NULL) |
8b2f0795 | 1465 | continue; |
8b2f0795 DH |
1466 | |
1467 | if (i == index) | |
1468 | enable = 1; | |
1469 | else | |
1470 | enable = 0; | |
1471 | if (enable) { | |
f1add5b5 | 1472 | (AUVI_INPUT(i).audio_setup)(dev, enable); |
8b2f0795 DH |
1473 | } else { |
1474 | /* Make sure we leave it turned on if some | |
1475 | other input is routed to this callback */ | |
f1add5b5 DH |
1476 | if ((AUVI_INPUT(i).audio_setup) != |
1477 | ((AUVI_INPUT(index).audio_setup))) { | |
1478 | (AUVI_INPUT(i).audio_setup)(dev, enable); | |
8b2f0795 DH |
1479 | } |
1480 | } | |
1481 | } | |
1482 | ||
5325b427 HV |
1483 | v4l2_device_call_all(&dev->v4l2_dev, 0, audio, s_routing, |
1484 | AUVI_INPUT(index).amux, 0, 0); | |
56230d1e HV |
1485 | } |
1486 | ||
1487 | static int vidioc_s_input(struct file *file, void *priv, unsigned int index) | |
1488 | { | |
1489 | struct au0828_fh *fh = priv; | |
1490 | struct au0828_dev *dev = fh->dev; | |
1491 | ||
1492 | dprintk(1, "VIDIOC_S_INPUT in function %s, input=%d\n", __func__, | |
1493 | index); | |
1494 | if (index >= AU0828_MAX_INPUT) | |
1495 | return -EINVAL; | |
1496 | if (AUVI_INPUT(index).type == 0) | |
1497 | return -EINVAL; | |
1498 | dev->ctrl_input = index; | |
1499 | au0828_s_input(dev, index); | |
8b2f0795 DH |
1500 | return 0; |
1501 | } | |
1502 | ||
a2cf96f9 HV |
1503 | static int vidioc_enumaudio(struct file *file, void *priv, struct v4l2_audio *a) |
1504 | { | |
1505 | if (a->index > 1) | |
1506 | return -EINVAL; | |
1507 | ||
1508 | if (a->index == 0) | |
1509 | strcpy(a->name, "Television"); | |
1510 | else | |
1511 | strcpy(a->name, "Line in"); | |
1512 | ||
1513 | a->capability = V4L2_AUDCAP_STEREO; | |
1514 | return 0; | |
1515 | } | |
1516 | ||
8b2f0795 DH |
1517 | static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a) |
1518 | { | |
1519 | struct au0828_fh *fh = priv; | |
1520 | struct au0828_dev *dev = fh->dev; | |
8b2f0795 | 1521 | |
a2cf96f9 HV |
1522 | a->index = dev->ctrl_ainput; |
1523 | if (a->index == 0) | |
8b2f0795 DH |
1524 | strcpy(a->name, "Television"); |
1525 | else | |
1526 | strcpy(a->name, "Line in"); | |
1527 | ||
1528 | a->capability = V4L2_AUDCAP_STEREO; | |
8b2f0795 DH |
1529 | return 0; |
1530 | } | |
1531 | ||
0e8025b9 | 1532 | static int vidioc_s_audio(struct file *file, void *priv, const struct v4l2_audio *a) |
8b2f0795 DH |
1533 | { |
1534 | struct au0828_fh *fh = priv; | |
1535 | struct au0828_dev *dev = fh->dev; | |
a2cf96f9 | 1536 | |
62899a28 | 1537 | if (a->index != dev->ctrl_ainput) |
8b2f0795 DH |
1538 | return -EINVAL; |
1539 | return 0; | |
1540 | } | |
1541 | ||
8b2f0795 DH |
1542 | static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) |
1543 | { | |
1544 | struct au0828_fh *fh = priv; | |
1545 | struct au0828_dev *dev = fh->dev; | |
1546 | ||
62899a28 | 1547 | if (t->index != 0) |
8b2f0795 DH |
1548 | return -EINVAL; |
1549 | ||
8b2f0795 | 1550 | strcpy(t->name, "Auvitek tuner"); |
ea86968f HV |
1551 | |
1552 | au0828_init_tuner(dev); | |
1553 | i2c_gate_ctrl(dev, 1); | |
2689d3dc | 1554 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t); |
ea86968f | 1555 | i2c_gate_ctrl(dev, 0); |
8b2f0795 DH |
1556 | return 0; |
1557 | } | |
1558 | ||
1559 | static int vidioc_s_tuner(struct file *file, void *priv, | |
2f73c7c5 | 1560 | const struct v4l2_tuner *t) |
8b2f0795 DH |
1561 | { |
1562 | struct au0828_fh *fh = priv; | |
1563 | struct au0828_dev *dev = fh->dev; | |
1564 | ||
62899a28 | 1565 | if (t->index != 0) |
8b2f0795 DH |
1566 | return -EINVAL; |
1567 | ||
ea86968f | 1568 | au0828_init_tuner(dev); |
fa09cb9a | 1569 | i2c_gate_ctrl(dev, 1); |
2689d3dc | 1570 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t); |
fa09cb9a | 1571 | i2c_gate_ctrl(dev, 0); |
e58071f0 | 1572 | |
8b2f0795 DH |
1573 | dprintk(1, "VIDIOC_S_TUNER: signal = %x, afc = %x\n", t->signal, |
1574 | t->afc); | |
e58071f0 | 1575 | |
8b2f0795 DH |
1576 | return 0; |
1577 | ||
1578 | } | |
1579 | ||
1580 | static int vidioc_g_frequency(struct file *file, void *priv, | |
1581 | struct v4l2_frequency *freq) | |
1582 | { | |
1583 | struct au0828_fh *fh = priv; | |
1584 | struct au0828_dev *dev = fh->dev; | |
c888923d | 1585 | |
e1cf6587 HV |
1586 | if (freq->tuner != 0) |
1587 | return -EINVAL; | |
8b2f0795 DH |
1588 | freq->frequency = dev->ctrl_freq; |
1589 | return 0; | |
1590 | } | |
1591 | ||
1592 | static int vidioc_s_frequency(struct file *file, void *priv, | |
b530a447 | 1593 | const struct v4l2_frequency *freq) |
8b2f0795 DH |
1594 | { |
1595 | struct au0828_fh *fh = priv; | |
1596 | struct au0828_dev *dev = fh->dev; | |
e1cf6587 | 1597 | struct v4l2_frequency new_freq = *freq; |
8b2f0795 | 1598 | |
62899a28 | 1599 | if (freq->tuner != 0) |
8b2f0795 | 1600 | return -EINVAL; |
8b2f0795 | 1601 | |
ea86968f | 1602 | au0828_init_tuner(dev); |
fa09cb9a | 1603 | i2c_gate_ctrl(dev, 1); |
4a03dafc | 1604 | |
2689d3dc | 1605 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, freq); |
e1cf6587 HV |
1606 | /* Get the actual set (and possibly clamped) frequency */ |
1607 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_frequency, &new_freq); | |
1608 | dev->ctrl_freq = new_freq.frequency; | |
8b2f0795 | 1609 | |
fa09cb9a | 1610 | i2c_gate_ctrl(dev, 0); |
4a03dafc | 1611 | |
8b2f0795 DH |
1612 | au0828_analog_stream_reset(dev); |
1613 | ||
1614 | return 0; | |
1615 | } | |
1616 | ||
7f8eacd2 DH |
1617 | |
1618 | /* RAW VBI ioctls */ | |
1619 | ||
1620 | static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv, | |
1621 | struct v4l2_format *format) | |
1622 | { | |
1623 | struct au0828_fh *fh = priv; | |
1624 | struct au0828_dev *dev = fh->dev; | |
1625 | ||
1626 | format->fmt.vbi.samples_per_line = dev->vbi_width; | |
1627 | format->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; | |
1628 | format->fmt.vbi.offset = 0; | |
1629 | format->fmt.vbi.flags = 0; | |
1630 | format->fmt.vbi.sampling_rate = 6750000 * 4 / 2; | |
1631 | ||
1632 | format->fmt.vbi.count[0] = dev->vbi_height; | |
1633 | format->fmt.vbi.count[1] = dev->vbi_height; | |
1634 | format->fmt.vbi.start[0] = 21; | |
1635 | format->fmt.vbi.start[1] = 284; | |
8d86e4e8 | 1636 | memset(format->fmt.vbi.reserved, 0, sizeof(format->fmt.vbi.reserved)); |
7f8eacd2 DH |
1637 | |
1638 | return 0; | |
1639 | } | |
1640 | ||
8b2f0795 DH |
1641 | static int vidioc_g_chip_ident(struct file *file, void *priv, |
1642 | struct v4l2_dbg_chip_ident *chip) | |
1643 | { | |
1644 | struct au0828_fh *fh = priv; | |
1645 | struct au0828_dev *dev = fh->dev; | |
1646 | chip->ident = V4L2_IDENT_NONE; | |
1647 | chip->revision = 0; | |
1648 | ||
d9109bef DH |
1649 | if (v4l2_chip_match_host(&chip->match)) { |
1650 | chip->ident = V4L2_IDENT_AU0828; | |
1651 | return 0; | |
1652 | } | |
1653 | ||
2689d3dc | 1654 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_chip_ident, chip); |
d9109bef DH |
1655 | if (chip->ident == V4L2_IDENT_NONE) |
1656 | return -EINVAL; | |
1657 | ||
8b2f0795 DH |
1658 | return 0; |
1659 | } | |
1660 | ||
1661 | static int vidioc_cropcap(struct file *file, void *priv, | |
1662 | struct v4l2_cropcap *cc) | |
1663 | { | |
1664 | struct au0828_fh *fh = priv; | |
1665 | struct au0828_dev *dev = fh->dev; | |
1666 | ||
62899a28 | 1667 | if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
8b2f0795 DH |
1668 | return -EINVAL; |
1669 | ||
1670 | cc->bounds.left = 0; | |
1671 | cc->bounds.top = 0; | |
1672 | cc->bounds.width = dev->width; | |
1673 | cc->bounds.height = dev->height; | |
1674 | ||
1675 | cc->defrect = cc->bounds; | |
1676 | ||
1677 | cc->pixelaspect.numerator = 54; | |
1678 | cc->pixelaspect.denominator = 59; | |
1679 | ||
1680 | return 0; | |
1681 | } | |
1682 | ||
1683 | static int vidioc_streamon(struct file *file, void *priv, | |
1684 | enum v4l2_buf_type type) | |
1685 | { | |
7f8eacd2 DH |
1686 | struct au0828_fh *fh = priv; |
1687 | struct au0828_dev *dev = fh->dev; | |
1688 | int rc = -EINVAL; | |
8b2f0795 DH |
1689 | |
1690 | rc = check_dev(dev); | |
1691 | if (rc < 0) | |
1692 | return rc; | |
1693 | ||
7f8eacd2 DH |
1694 | if (unlikely(type != fh->type)) |
1695 | return -EINVAL; | |
1696 | ||
1697 | dprintk(1, "vidioc_streamon fh=%p t=%d fh->res=%d dev->res=%d\n", | |
1698 | fh, type, fh->resources, dev->resources); | |
1699 | ||
1700 | if (unlikely(!res_get(fh, get_ressource(fh)))) | |
1701 | return -EBUSY; | |
1702 | ||
ea86968f | 1703 | au0828_init_tuner(dev); |
8b2f0795 DH |
1704 | if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
1705 | au0828_analog_stream_enable(dev); | |
2689d3dc | 1706 | v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 1); |
8b2f0795 DH |
1707 | } |
1708 | ||
78ca5005 | 1709 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
8b2f0795 | 1710 | rc = videobuf_streamon(&fh->vb_vidq); |
78ca5005 DH |
1711 | dev->vid_timeout_running = 1; |
1712 | mod_timer(&dev->vid_timeout, jiffies + (HZ / 10)); | |
1713 | } else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { | |
7f8eacd2 | 1714 | rc = videobuf_streamon(&fh->vb_vbiq); |
78ca5005 DH |
1715 | dev->vbi_timeout_running = 1; |
1716 | mod_timer(&dev->vbi_timeout, jiffies + (HZ / 10)); | |
1717 | } | |
8b2f0795 DH |
1718 | |
1719 | return rc; | |
1720 | } | |
1721 | ||
1722 | static int vidioc_streamoff(struct file *file, void *priv, | |
1723 | enum v4l2_buf_type type) | |
1724 | { | |
7f8eacd2 DH |
1725 | struct au0828_fh *fh = priv; |
1726 | struct au0828_dev *dev = fh->dev; | |
1727 | int rc; | |
1728 | int i; | |
8b2f0795 DH |
1729 | |
1730 | rc = check_dev(dev); | |
1731 | if (rc < 0) | |
1732 | return rc; | |
1733 | ||
7f8eacd2 DH |
1734 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && |
1735 | fh->type != V4L2_BUF_TYPE_VBI_CAPTURE) | |
8b2f0795 DH |
1736 | return -EINVAL; |
1737 | if (type != fh->type) | |
1738 | return -EINVAL; | |
1739 | ||
7f8eacd2 DH |
1740 | dprintk(1, "vidioc_streamoff fh=%p t=%d fh->res=%d dev->res=%d\n", |
1741 | fh, type, fh->resources, dev->resources); | |
1742 | ||
1743 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { | |
78ca5005 DH |
1744 | dev->vid_timeout_running = 0; |
1745 | del_timer_sync(&dev->vid_timeout); | |
1746 | ||
2689d3dc | 1747 | v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 0); |
7f8eacd2 DH |
1748 | rc = au0828_stream_interrupt(dev); |
1749 | if (rc != 0) | |
1750 | return rc; | |
8b2f0795 | 1751 | |
7f8eacd2 DH |
1752 | for (i = 0; i < AU0828_MAX_INPUT; i++) { |
1753 | if (AUVI_INPUT(i).audio_setup == NULL) | |
1754 | continue; | |
1755 | (AUVI_INPUT(i).audio_setup)(dev, 0); | |
1756 | } | |
8b2f0795 | 1757 | |
a595c1ce DH |
1758 | if (res_check(fh, AU0828_RESOURCE_VIDEO)) { |
1759 | videobuf_streamoff(&fh->vb_vidq); | |
1760 | res_free(fh, AU0828_RESOURCE_VIDEO); | |
1761 | } | |
7f8eacd2 | 1762 | } else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { |
78ca5005 DH |
1763 | dev->vbi_timeout_running = 0; |
1764 | del_timer_sync(&dev->vbi_timeout); | |
1765 | ||
a595c1ce DH |
1766 | if (res_check(fh, AU0828_RESOURCE_VBI)) { |
1767 | videobuf_streamoff(&fh->vb_vbiq); | |
1768 | res_free(fh, AU0828_RESOURCE_VBI); | |
1769 | } | |
7f8eacd2 | 1770 | } |
8b2f0795 DH |
1771 | |
1772 | return 0; | |
1773 | } | |
1774 | ||
80c6e358 | 1775 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
8b2f0795 DH |
1776 | static int vidioc_g_register(struct file *file, void *priv, |
1777 | struct v4l2_dbg_register *reg) | |
1778 | { | |
1779 | struct au0828_fh *fh = priv; | |
1780 | struct au0828_dev *dev = fh->dev; | |
1781 | ||
1782 | switch (reg->match.type) { | |
1783 | case V4L2_CHIP_MATCH_I2C_DRIVER: | |
2689d3dc | 1784 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_register, reg); |
8b2f0795 DH |
1785 | return 0; |
1786 | default: | |
364d2db2 DH |
1787 | if (!v4l2_chip_match_host(®->match)) |
1788 | return -EINVAL; | |
8b2f0795 | 1789 | } |
364d2db2 DH |
1790 | |
1791 | reg->val = au0828_read(dev, reg->reg); | |
1792 | return 0; | |
8b2f0795 DH |
1793 | } |
1794 | ||
1795 | static int vidioc_s_register(struct file *file, void *priv, | |
977ba3b1 | 1796 | const struct v4l2_dbg_register *reg) |
8b2f0795 DH |
1797 | { |
1798 | struct au0828_fh *fh = priv; | |
1799 | struct au0828_dev *dev = fh->dev; | |
1800 | ||
1801 | switch (reg->match.type) { | |
1802 | case V4L2_CHIP_MATCH_I2C_DRIVER: | |
2689d3dc | 1803 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_register, reg); |
8b2f0795 DH |
1804 | return 0; |
1805 | default: | |
364d2db2 DH |
1806 | if (!v4l2_chip_match_host(®->match)) |
1807 | return -EINVAL; | |
8b2f0795 | 1808 | } |
364d2db2 | 1809 | return au0828_writereg(dev, reg->reg, reg->val); |
8b2f0795 | 1810 | } |
80c6e358 | 1811 | #endif |
8b2f0795 | 1812 | |
83b09422 HV |
1813 | static int vidioc_log_status(struct file *file, void *fh) |
1814 | { | |
1815 | struct video_device *vdev = video_devdata(file); | |
1816 | ||
1817 | v4l2_ctrl_log_status(file, fh); | |
1818 | v4l2_device_call_all(vdev->v4l2_dev, 0, core, log_status); | |
1819 | return 0; | |
1820 | } | |
1821 | ||
8b2f0795 DH |
1822 | static int vidioc_reqbufs(struct file *file, void *priv, |
1823 | struct v4l2_requestbuffers *rb) | |
1824 | { | |
1825 | struct au0828_fh *fh = priv; | |
1826 | struct au0828_dev *dev = fh->dev; | |
1827 | int rc; | |
1828 | ||
1829 | rc = check_dev(dev); | |
1830 | if (rc < 0) | |
1831 | return rc; | |
1832 | ||
54ebb8b8 DH |
1833 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1834 | rc = videobuf_reqbufs(&fh->vb_vidq, rb); | |
1835 | else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) | |
1836 | rc = videobuf_reqbufs(&fh->vb_vbiq, rb); | |
1837 | ||
1838 | return rc; | |
8b2f0795 DH |
1839 | } |
1840 | ||
1841 | static int vidioc_querybuf(struct file *file, void *priv, | |
1842 | struct v4l2_buffer *b) | |
1843 | { | |
1844 | struct au0828_fh *fh = priv; | |
1845 | struct au0828_dev *dev = fh->dev; | |
1846 | int rc; | |
1847 | ||
1848 | rc = check_dev(dev); | |
1849 | if (rc < 0) | |
1850 | return rc; | |
1851 | ||
54ebb8b8 DH |
1852 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1853 | rc = videobuf_querybuf(&fh->vb_vidq, b); | |
1854 | else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) | |
1855 | rc = videobuf_querybuf(&fh->vb_vbiq, b); | |
1856 | ||
1857 | return rc; | |
8b2f0795 DH |
1858 | } |
1859 | ||
1860 | static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b) | |
1861 | { | |
1862 | struct au0828_fh *fh = priv; | |
1863 | struct au0828_dev *dev = fh->dev; | |
1864 | int rc; | |
1865 | ||
1866 | rc = check_dev(dev); | |
1867 | if (rc < 0) | |
1868 | return rc; | |
1869 | ||
54ebb8b8 DH |
1870 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1871 | rc = videobuf_qbuf(&fh->vb_vidq, b); | |
1872 | else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) | |
1873 | rc = videobuf_qbuf(&fh->vb_vbiq, b); | |
1874 | ||
1875 | return rc; | |
8b2f0795 DH |
1876 | } |
1877 | ||
1878 | static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) | |
1879 | { | |
1880 | struct au0828_fh *fh = priv; | |
1881 | struct au0828_dev *dev = fh->dev; | |
1882 | int rc; | |
1883 | ||
1884 | rc = check_dev(dev); | |
1885 | if (rc < 0) | |
1886 | return rc; | |
1887 | ||
1888 | /* Workaround for a bug in the au0828 hardware design that sometimes | |
1889 | results in the colorspace being inverted */ | |
1890 | if (dev->greenscreen_detected == 1) { | |
1891 | dprintk(1, "Detected green frame. Resetting stream...\n"); | |
1892 | au0828_analog_stream_reset(dev); | |
1893 | dev->greenscreen_detected = 0; | |
1894 | } | |
1895 | ||
54ebb8b8 DH |
1896 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1897 | rc = videobuf_dqbuf(&fh->vb_vidq, b, file->f_flags & O_NONBLOCK); | |
1898 | else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) | |
1899 | rc = videobuf_dqbuf(&fh->vb_vbiq, b, file->f_flags & O_NONBLOCK); | |
1900 | ||
1901 | return rc; | |
8b2f0795 DH |
1902 | } |
1903 | ||
8b2f0795 DH |
1904 | static struct v4l2_file_operations au0828_v4l_fops = { |
1905 | .owner = THIS_MODULE, | |
1906 | .open = au0828_v4l2_open, | |
1907 | .release = au0828_v4l2_close, | |
1908 | .read = au0828_v4l2_read, | |
1909 | .poll = au0828_v4l2_poll, | |
1910 | .mmap = au0828_v4l2_mmap, | |
549ee4df | 1911 | .unlocked_ioctl = video_ioctl2, |
8b2f0795 DH |
1912 | }; |
1913 | ||
1914 | static const struct v4l2_ioctl_ops video_ioctl_ops = { | |
1915 | .vidioc_querycap = vidioc_querycap, | |
1916 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, | |
1917 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
1918 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, | |
1919 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, | |
5a5a4e16 | 1920 | .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, |
8d86e4e8 | 1921 | .vidioc_try_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, |
7f8eacd2 | 1922 | .vidioc_s_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, |
a2cf96f9 | 1923 | .vidioc_enumaudio = vidioc_enumaudio, |
8b2f0795 DH |
1924 | .vidioc_g_audio = vidioc_g_audio, |
1925 | .vidioc_s_audio = vidioc_s_audio, | |
1926 | .vidioc_cropcap = vidioc_cropcap, | |
8b2f0795 DH |
1927 | .vidioc_reqbufs = vidioc_reqbufs, |
1928 | .vidioc_querybuf = vidioc_querybuf, | |
1929 | .vidioc_qbuf = vidioc_qbuf, | |
1930 | .vidioc_dqbuf = vidioc_dqbuf, | |
1931 | .vidioc_s_std = vidioc_s_std, | |
33b6b89b | 1932 | .vidioc_g_std = vidioc_g_std, |
8b2f0795 DH |
1933 | .vidioc_enum_input = vidioc_enum_input, |
1934 | .vidioc_g_input = vidioc_g_input, | |
1935 | .vidioc_s_input = vidioc_s_input, | |
8b2f0795 DH |
1936 | .vidioc_streamon = vidioc_streamon, |
1937 | .vidioc_streamoff = vidioc_streamoff, | |
1938 | .vidioc_g_tuner = vidioc_g_tuner, | |
1939 | .vidioc_s_tuner = vidioc_s_tuner, | |
1940 | .vidioc_g_frequency = vidioc_g_frequency, | |
1941 | .vidioc_s_frequency = vidioc_s_frequency, | |
1942 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
1943 | .vidioc_g_register = vidioc_g_register, | |
1944 | .vidioc_s_register = vidioc_s_register, | |
8b2f0795 | 1945 | #endif |
80c6e358 | 1946 | .vidioc_g_chip_ident = vidioc_g_chip_ident, |
83b09422 HV |
1947 | .vidioc_log_status = vidioc_log_status, |
1948 | .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, | |
1949 | .vidioc_unsubscribe_event = v4l2_event_unsubscribe, | |
8b2f0795 DH |
1950 | }; |
1951 | ||
1952 | static const struct video_device au0828_video_template = { | |
1953 | .fops = &au0828_v4l_fops, | |
1954 | .release = video_device_release, | |
1955 | .ioctl_ops = &video_ioctl_ops, | |
0ef21071 | 1956 | .tvnorms = V4L2_STD_NTSC_M, |
8b2f0795 DH |
1957 | }; |
1958 | ||
1959 | /**************************************************************************/ | |
1960 | ||
fc4ce6cd DH |
1961 | int au0828_analog_register(struct au0828_dev *dev, |
1962 | struct usb_interface *interface) | |
8b2f0795 DH |
1963 | { |
1964 | int retval = -ENOMEM; | |
fc4ce6cd DH |
1965 | struct usb_host_interface *iface_desc; |
1966 | struct usb_endpoint_descriptor *endpoint; | |
d63b21bf | 1967 | int i, ret; |
8b2f0795 DH |
1968 | |
1969 | dprintk(1, "au0828_analog_register called!\n"); | |
1970 | ||
fc4ce6cd DH |
1971 | /* set au0828 usb interface0 to as5 */ |
1972 | retval = usb_set_interface(dev->usbdev, | |
62899a28 | 1973 | interface->cur_altsetting->desc.bInterfaceNumber, 5); |
fc4ce6cd | 1974 | if (retval != 0) { |
62899a28 | 1975 | printk(KERN_INFO "Failure setting usb interface0 to as5\n"); |
fc4ce6cd DH |
1976 | return retval; |
1977 | } | |
1978 | ||
1979 | /* Figure out which endpoint has the isoc interface */ | |
1980 | iface_desc = interface->cur_altsetting; | |
62899a28 | 1981 | for (i = 0; i < iface_desc->desc.bNumEndpoints; i++) { |
fc4ce6cd | 1982 | endpoint = &iface_desc->endpoint[i].desc; |
62899a28 DH |
1983 | if (((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) |
1984 | == USB_DIR_IN) && | |
1985 | ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) | |
1986 | == USB_ENDPOINT_XFER_ISOC)) { | |
fc4ce6cd DH |
1987 | |
1988 | /* we find our isoc in endpoint */ | |
1989 | u16 tmp = le16_to_cpu(endpoint->wMaxPacketSize); | |
62899a28 DH |
1990 | dev->max_pkt_size = (tmp & 0x07ff) * |
1991 | (((tmp & 0x1800) >> 11) + 1); | |
fc4ce6cd DH |
1992 | dev->isoc_in_endpointaddr = endpoint->bEndpointAddress; |
1993 | } | |
1994 | } | |
62899a28 DH |
1995 | if (!(dev->isoc_in_endpointaddr)) { |
1996 | printk(KERN_INFO "Could not locate isoc endpoint\n"); | |
fc4ce6cd DH |
1997 | kfree(dev); |
1998 | return -ENODEV; | |
1999 | } | |
2000 | ||
8b2f0795 DH |
2001 | init_waitqueue_head(&dev->open); |
2002 | spin_lock_init(&dev->slock); | |
8b2f0795 | 2003 | |
7f8eacd2 | 2004 | /* init video dma queues */ |
8b2f0795 DH |
2005 | INIT_LIST_HEAD(&dev->vidq.active); |
2006 | INIT_LIST_HEAD(&dev->vidq.queued); | |
7f8eacd2 DH |
2007 | INIT_LIST_HEAD(&dev->vbiq.active); |
2008 | INIT_LIST_HEAD(&dev->vbiq.queued); | |
8b2f0795 | 2009 | |
78ca5005 DH |
2010 | dev->vid_timeout.function = au0828_vid_buffer_timeout; |
2011 | dev->vid_timeout.data = (unsigned long) dev; | |
2012 | init_timer(&dev->vid_timeout); | |
2013 | ||
2014 | dev->vbi_timeout.function = au0828_vbi_buffer_timeout; | |
2015 | dev->vbi_timeout.data = (unsigned long) dev; | |
2016 | init_timer(&dev->vbi_timeout); | |
2017 | ||
8b2f0795 DH |
2018 | dev->width = NTSC_STD_W; |
2019 | dev->height = NTSC_STD_H; | |
2020 | dev->field_size = dev->width * dev->height; | |
2021 | dev->frame_size = dev->field_size << 1; | |
2022 | dev->bytesperline = dev->width << 1; | |
de8d2bbf HV |
2023 | dev->vbi_width = 720; |
2024 | dev->vbi_height = 1; | |
8b2f0795 | 2025 | dev->ctrl_ainput = 0; |
e1cf6587 | 2026 | dev->ctrl_freq = 960; |
33b6b89b | 2027 | dev->std = V4L2_STD_NTSC_M; |
56230d1e | 2028 | au0828_s_input(dev, 0); |
8b2f0795 DH |
2029 | |
2030 | /* allocate and fill v4l2 video struct */ | |
2031 | dev->vdev = video_device_alloc(); | |
62899a28 | 2032 | if (NULL == dev->vdev) { |
8b2f0795 DH |
2033 | dprintk(1, "Can't allocate video_device.\n"); |
2034 | return -ENOMEM; | |
2035 | } | |
2036 | ||
7f8eacd2 | 2037 | /* allocate the VBI struct */ |
8b2f0795 | 2038 | dev->vbi_dev = video_device_alloc(); |
62899a28 | 2039 | if (NULL == dev->vbi_dev) { |
8b2f0795 | 2040 | dprintk(1, "Can't allocate vbi_device.\n"); |
d63b21bf JL |
2041 | ret = -ENOMEM; |
2042 | goto err_vdev; | |
8b2f0795 DH |
2043 | } |
2044 | ||
2045 | /* Fill the video capture device struct */ | |
2046 | *dev->vdev = au0828_video_template; | |
e8c26f45 | 2047 | dev->vdev->v4l2_dev = &dev->v4l2_dev; |
549ee4df | 2048 | dev->vdev->lock = &dev->lock; |
83b09422 | 2049 | set_bit(V4L2_FL_USE_FH_PRIO, &dev->vdev->flags); |
8b2f0795 DH |
2050 | strcpy(dev->vdev->name, "au0828a video"); |
2051 | ||
2052 | /* Setup the VBI device */ | |
2053 | *dev->vbi_dev = au0828_video_template; | |
e8c26f45 | 2054 | dev->vbi_dev->v4l2_dev = &dev->v4l2_dev; |
549ee4df | 2055 | dev->vbi_dev->lock = &dev->lock; |
83b09422 | 2056 | set_bit(V4L2_FL_USE_FH_PRIO, &dev->vbi_dev->flags); |
8b2f0795 DH |
2057 | strcpy(dev->vbi_dev->name, "au0828a vbi"); |
2058 | ||
8b2f0795 | 2059 | /* Register the v4l2 device */ |
63b0d5ad | 2060 | video_set_drvdata(dev->vdev, dev); |
62899a28 DH |
2061 | retval = video_register_device(dev->vdev, VFL_TYPE_GRABBER, -1); |
2062 | if (retval != 0) { | |
2063 | dprintk(1, "unable to register video device (error = %d).\n", | |
2064 | retval); | |
d63b21bf JL |
2065 | ret = -ENODEV; |
2066 | goto err_vbi_dev; | |
8b2f0795 DH |
2067 | } |
2068 | ||
2069 | /* Register the vbi device */ | |
63b0d5ad | 2070 | video_set_drvdata(dev->vbi_dev, dev); |
62899a28 DH |
2071 | retval = video_register_device(dev->vbi_dev, VFL_TYPE_VBI, -1); |
2072 | if (retval != 0) { | |
2073 | dprintk(1, "unable to register vbi device (error = %d).\n", | |
2074 | retval); | |
d63b21bf JL |
2075 | ret = -ENODEV; |
2076 | goto err_vbi_dev; | |
8b2f0795 DH |
2077 | } |
2078 | ||
62899a28 | 2079 | dprintk(1, "%s completed!\n", __func__); |
8b2f0795 DH |
2080 | |
2081 | return 0; | |
d63b21bf JL |
2082 | |
2083 | err_vbi_dev: | |
2084 | video_device_release(dev->vbi_dev); | |
2085 | err_vdev: | |
2086 | video_device_release(dev->vdev); | |
2087 | return ret; | |
8b2f0795 DH |
2088 | } |
2089 |