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> | |
36 | #include <linux/version.h> | |
8b2f0795 DH |
37 | #include <media/v4l2-common.h> |
38 | #include <media/v4l2-ioctl.h> | |
39 | #include <media/v4l2-chip-ident.h> | |
40 | #include <media/tuner.h> | |
41 | #include "au0828.h" | |
42 | #include "au0828-reg.h" | |
43 | ||
8b2f0795 DH |
44 | static DEFINE_MUTEX(au0828_sysfs_lock); |
45 | ||
46 | #define AU0828_VERSION_CODE KERNEL_VERSION(0, 0, 1) | |
47 | ||
8b2f0795 DH |
48 | /* ------------------------------------------------------------------ |
49 | Videobuf operations | |
50 | ------------------------------------------------------------------*/ | |
51 | ||
52 | static unsigned int isoc_debug; | |
53 | module_param(isoc_debug, int, 0644); | |
54 | MODULE_PARM_DESC(isoc_debug, "enable debug messages [isoc transfers]"); | |
55 | ||
56 | #define au0828_isocdbg(fmt, arg...) \ | |
57 | do {\ | |
58 | if (isoc_debug) { \ | |
59 | printk(KERN_INFO "au0828 %s :"fmt, \ | |
60 | __func__ , ##arg); \ | |
61 | } \ | |
62 | } while (0) | |
63 | ||
64 | static inline void print_err_status(struct au0828_dev *dev, | |
65 | int packet, int status) | |
66 | { | |
67 | char *errmsg = "Unknown"; | |
68 | ||
69 | switch (status) { | |
70 | case -ENOENT: | |
71 | errmsg = "unlinked synchronuously"; | |
72 | break; | |
73 | case -ECONNRESET: | |
74 | errmsg = "unlinked asynchronuously"; | |
75 | break; | |
76 | case -ENOSR: | |
77 | errmsg = "Buffer error (overrun)"; | |
78 | break; | |
79 | case -EPIPE: | |
80 | errmsg = "Stalled (device not responding)"; | |
81 | break; | |
82 | case -EOVERFLOW: | |
83 | errmsg = "Babble (bad cable?)"; | |
84 | break; | |
85 | case -EPROTO: | |
86 | errmsg = "Bit-stuff error (bad cable?)"; | |
87 | break; | |
88 | case -EILSEQ: | |
89 | errmsg = "CRC/Timeout (could be anything)"; | |
90 | break; | |
91 | case -ETIME: | |
92 | errmsg = "Device does not respond"; | |
93 | break; | |
94 | } | |
95 | if (packet < 0) { | |
96 | au0828_isocdbg("URB status %d [%s].\n", status, errmsg); | |
97 | } else { | |
98 | au0828_isocdbg("URB packet %d, status %d [%s].\n", | |
99 | packet, status, errmsg); | |
100 | } | |
101 | } | |
102 | ||
103 | static int check_dev(struct au0828_dev *dev) | |
104 | { | |
105 | if (dev->dev_state & DEV_DISCONNECTED) { | |
62899a28 | 106 | printk(KERN_INFO "v4l2 ioctl: device not present\n"); |
8b2f0795 DH |
107 | return -ENODEV; |
108 | } | |
109 | ||
110 | if (dev->dev_state & DEV_MISCONFIGURED) { | |
62899a28 | 111 | printk(KERN_INFO "v4l2 ioctl: device is misconfigured; " |
8b2f0795 DH |
112 | "close and open it again\n"); |
113 | return -EIO; | |
114 | } | |
115 | return 0; | |
116 | } | |
117 | ||
118 | /* | |
119 | * IRQ callback, called by URB callback | |
120 | */ | |
121 | static void au0828_irq_callback(struct urb *urb) | |
122 | { | |
123 | struct au0828_dmaqueue *dma_q = urb->context; | |
124 | struct au0828_dev *dev = container_of(dma_q, struct au0828_dev, vidq); | |
78ca5005 | 125 | unsigned long flags = 0; |
8b2f0795 DH |
126 | int rc, i; |
127 | ||
128 | switch (urb->status) { | |
129 | case 0: /* success */ | |
130 | case -ETIMEDOUT: /* NAK */ | |
131 | break; | |
132 | case -ECONNRESET: /* kill */ | |
133 | case -ENOENT: | |
134 | case -ESHUTDOWN: | |
135 | au0828_isocdbg("au0828_irq_callback called: status kill\n"); | |
136 | return; | |
137 | default: /* unknown error */ | |
138 | au0828_isocdbg("urb completition error %d.\n", urb->status); | |
139 | break; | |
140 | } | |
141 | ||
142 | /* Copy data from URB */ | |
78ca5005 | 143 | spin_lock_irqsave(&dev->slock, flags); |
8b2f0795 | 144 | rc = dev->isoc_ctl.isoc_copy(dev, urb); |
78ca5005 | 145 | spin_unlock_irqrestore(&dev->slock, flags); |
8b2f0795 DH |
146 | |
147 | /* Reset urb buffers */ | |
148 | for (i = 0; i < urb->number_of_packets; i++) { | |
149 | urb->iso_frame_desc[i].status = 0; | |
150 | urb->iso_frame_desc[i].actual_length = 0; | |
151 | } | |
152 | urb->status = 0; | |
153 | ||
154 | urb->status = usb_submit_urb(urb, GFP_ATOMIC); | |
155 | if (urb->status) { | |
156 | au0828_isocdbg("urb resubmit failed (error=%i)\n", | |
157 | urb->status); | |
158 | } | |
159 | } | |
160 | ||
161 | /* | |
162 | * Stop and Deallocate URBs | |
163 | */ | |
164 | void au0828_uninit_isoc(struct au0828_dev *dev) | |
165 | { | |
166 | struct urb *urb; | |
167 | int i; | |
168 | ||
169 | au0828_isocdbg("au0828: called au0828_uninit_isoc\n"); | |
170 | ||
171 | dev->isoc_ctl.nfields = -1; | |
172 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
173 | urb = dev->isoc_ctl.urb[i]; | |
174 | if (urb) { | |
175 | if (!irqs_disabled()) | |
176 | usb_kill_urb(urb); | |
177 | else | |
178 | usb_unlink_urb(urb); | |
179 | ||
180 | if (dev->isoc_ctl.transfer_buffer[i]) { | |
997ea58e | 181 | usb_free_coherent(dev->usbdev, |
8b2f0795 DH |
182 | urb->transfer_buffer_length, |
183 | dev->isoc_ctl.transfer_buffer[i], | |
184 | urb->transfer_dma); | |
185 | } | |
186 | usb_free_urb(urb); | |
187 | dev->isoc_ctl.urb[i] = NULL; | |
188 | } | |
189 | dev->isoc_ctl.transfer_buffer[i] = NULL; | |
190 | } | |
191 | ||
192 | kfree(dev->isoc_ctl.urb); | |
193 | kfree(dev->isoc_ctl.transfer_buffer); | |
194 | ||
195 | dev->isoc_ctl.urb = NULL; | |
196 | dev->isoc_ctl.transfer_buffer = NULL; | |
197 | dev->isoc_ctl.num_bufs = 0; | |
198 | } | |
199 | ||
200 | /* | |
201 | * Allocate URBs and start IRQ | |
202 | */ | |
203 | int au0828_init_isoc(struct au0828_dev *dev, int max_packets, | |
204 | int num_bufs, int max_pkt_size, | |
205 | int (*isoc_copy) (struct au0828_dev *dev, struct urb *urb)) | |
206 | { | |
207 | struct au0828_dmaqueue *dma_q = &dev->vidq; | |
208 | int i; | |
209 | int sb_size, pipe; | |
210 | struct urb *urb; | |
211 | int j, k; | |
212 | int rc; | |
213 | ||
214 | au0828_isocdbg("au0828: called au0828_prepare_isoc\n"); | |
215 | ||
216 | /* De-allocates all pending stuff */ | |
217 | au0828_uninit_isoc(dev); | |
218 | ||
219 | dev->isoc_ctl.isoc_copy = isoc_copy; | |
220 | dev->isoc_ctl.num_bufs = num_bufs; | |
221 | ||
222 | dev->isoc_ctl.urb = kzalloc(sizeof(void *)*num_bufs, GFP_KERNEL); | |
223 | if (!dev->isoc_ctl.urb) { | |
224 | au0828_isocdbg("cannot alloc memory for usb buffers\n"); | |
225 | return -ENOMEM; | |
226 | } | |
227 | ||
228 | dev->isoc_ctl.transfer_buffer = kzalloc(sizeof(void *)*num_bufs, | |
229 | GFP_KERNEL); | |
230 | if (!dev->isoc_ctl.transfer_buffer) { | |
231 | au0828_isocdbg("cannot allocate memory for usb transfer\n"); | |
232 | kfree(dev->isoc_ctl.urb); | |
233 | return -ENOMEM; | |
234 | } | |
235 | ||
236 | dev->isoc_ctl.max_pkt_size = max_pkt_size; | |
237 | dev->isoc_ctl.buf = NULL; | |
238 | ||
239 | sb_size = max_packets * dev->isoc_ctl.max_pkt_size; | |
240 | ||
241 | /* allocate urbs and transfer buffers */ | |
242 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
243 | urb = usb_alloc_urb(max_packets, GFP_KERNEL); | |
244 | if (!urb) { | |
245 | au0828_isocdbg("cannot alloc isoc_ctl.urb %i\n", i); | |
246 | au0828_uninit_isoc(dev); | |
247 | return -ENOMEM; | |
248 | } | |
249 | dev->isoc_ctl.urb[i] = urb; | |
250 | ||
997ea58e | 251 | dev->isoc_ctl.transfer_buffer[i] = usb_alloc_coherent(dev->usbdev, |
8b2f0795 DH |
252 | sb_size, GFP_KERNEL, &urb->transfer_dma); |
253 | if (!dev->isoc_ctl.transfer_buffer[i]) { | |
254 | printk("unable to allocate %i bytes for transfer" | |
255 | " buffer %i%s\n", | |
256 | sb_size, i, | |
257 | in_interrupt() ? " while in int" : ""); | |
258 | au0828_uninit_isoc(dev); | |
259 | return -ENOMEM; | |
260 | } | |
261 | memset(dev->isoc_ctl.transfer_buffer[i], 0, sb_size); | |
262 | ||
263 | pipe = usb_rcvisocpipe(dev->usbdev, | |
264 | dev->isoc_in_endpointaddr), | |
265 | ||
266 | usb_fill_int_urb(urb, dev->usbdev, pipe, | |
267 | dev->isoc_ctl.transfer_buffer[i], sb_size, | |
268 | au0828_irq_callback, dma_q, 1); | |
269 | ||
270 | urb->number_of_packets = max_packets; | |
fadadb7d | 271 | urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; |
8b2f0795 DH |
272 | |
273 | k = 0; | |
274 | for (j = 0; j < max_packets; j++) { | |
275 | urb->iso_frame_desc[j].offset = k; | |
276 | urb->iso_frame_desc[j].length = | |
277 | dev->isoc_ctl.max_pkt_size; | |
278 | k += dev->isoc_ctl.max_pkt_size; | |
279 | } | |
280 | } | |
281 | ||
282 | init_waitqueue_head(&dma_q->wq); | |
283 | ||
284 | /* submit urbs and enables IRQ */ | |
285 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
286 | rc = usb_submit_urb(dev->isoc_ctl.urb[i], GFP_ATOMIC); | |
287 | if (rc) { | |
288 | au0828_isocdbg("submit of urb %i failed (error=%i)\n", | |
289 | i, rc); | |
290 | au0828_uninit_isoc(dev); | |
291 | return rc; | |
292 | } | |
293 | } | |
294 | ||
295 | return 0; | |
296 | } | |
297 | ||
298 | /* | |
299 | * Announces that a buffer were filled and request the next | |
300 | */ | |
301 | static inline void buffer_filled(struct au0828_dev *dev, | |
302 | struct au0828_dmaqueue *dma_q, | |
303 | struct au0828_buffer *buf) | |
304 | { | |
305 | /* Advice that buffer was filled */ | |
306 | au0828_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i); | |
307 | ||
308 | buf->vb.state = VIDEOBUF_DONE; | |
309 | buf->vb.field_count++; | |
310 | do_gettimeofday(&buf->vb.ts); | |
311 | ||
312 | dev->isoc_ctl.buf = NULL; | |
313 | ||
314 | list_del(&buf->vb.queue); | |
315 | wake_up(&buf->vb.done); | |
316 | } | |
317 | ||
7f8eacd2 DH |
318 | static inline void vbi_buffer_filled(struct au0828_dev *dev, |
319 | struct au0828_dmaqueue *dma_q, | |
320 | struct au0828_buffer *buf) | |
321 | { | |
322 | /* Advice that buffer was filled */ | |
323 | au0828_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i); | |
324 | ||
325 | buf->vb.state = VIDEOBUF_DONE; | |
326 | buf->vb.field_count++; | |
327 | do_gettimeofday(&buf->vb.ts); | |
328 | ||
329 | dev->isoc_ctl.vbi_buf = NULL; | |
330 | ||
331 | list_del(&buf->vb.queue); | |
332 | wake_up(&buf->vb.done); | |
333 | } | |
334 | ||
8b2f0795 DH |
335 | /* |
336 | * Identify the buffer header type and properly handles | |
337 | */ | |
338 | static void au0828_copy_video(struct au0828_dev *dev, | |
339 | struct au0828_dmaqueue *dma_q, | |
340 | struct au0828_buffer *buf, | |
341 | unsigned char *p, | |
342 | unsigned char *outp, unsigned long len) | |
343 | { | |
344 | void *fieldstart, *startwrite, *startread; | |
345 | int linesdone, currlinedone, offset, lencopy, remain; | |
346 | int bytesperline = dev->width << 1; /* Assumes 16-bit depth @@@@ */ | |
347 | ||
7f8eacd2 DH |
348 | if (len == 0) |
349 | return; | |
350 | ||
8b2f0795 DH |
351 | if (dma_q->pos + len > buf->vb.size) |
352 | len = buf->vb.size - dma_q->pos; | |
353 | ||
354 | startread = p; | |
355 | remain = len; | |
356 | ||
357 | /* Interlaces frame */ | |
358 | if (buf->top_field) | |
359 | fieldstart = outp; | |
360 | else | |
361 | fieldstart = outp + bytesperline; | |
362 | ||
363 | linesdone = dma_q->pos / bytesperline; | |
364 | currlinedone = dma_q->pos % bytesperline; | |
365 | offset = linesdone * bytesperline * 2 + currlinedone; | |
366 | startwrite = fieldstart + offset; | |
367 | lencopy = bytesperline - currlinedone; | |
368 | lencopy = lencopy > remain ? remain : lencopy; | |
369 | ||
370 | if ((char *)startwrite + lencopy > (char *)outp + buf->vb.size) { | |
371 | au0828_isocdbg("Overflow of %zi bytes past buffer end (1)\n", | |
372 | ((char *)startwrite + lencopy) - | |
373 | ((char *)outp + buf->vb.size)); | |
374 | remain = (char *)outp + buf->vb.size - (char *)startwrite; | |
375 | lencopy = remain; | |
376 | } | |
377 | if (lencopy <= 0) | |
378 | return; | |
379 | memcpy(startwrite, startread, lencopy); | |
380 | ||
381 | remain -= lencopy; | |
382 | ||
383 | while (remain > 0) { | |
384 | startwrite += lencopy + bytesperline; | |
385 | startread += lencopy; | |
386 | if (bytesperline > remain) | |
387 | lencopy = remain; | |
388 | else | |
389 | lencopy = bytesperline; | |
390 | ||
391 | if ((char *)startwrite + lencopy > (char *)outp + | |
392 | buf->vb.size) { | |
62899a28 | 393 | au0828_isocdbg("Overflow %zi bytes past buf end (2)\n", |
8b2f0795 DH |
394 | ((char *)startwrite + lencopy) - |
395 | ((char *)outp + buf->vb.size)); | |
396 | lencopy = remain = (char *)outp + buf->vb.size - | |
397 | (char *)startwrite; | |
398 | } | |
399 | if (lencopy <= 0) | |
400 | break; | |
401 | ||
402 | memcpy(startwrite, startread, lencopy); | |
403 | ||
404 | remain -= lencopy; | |
405 | } | |
406 | ||
407 | if (offset > 1440) { | |
408 | /* We have enough data to check for greenscreen */ | |
62899a28 | 409 | if (outp[0] < 0x60 && outp[1440] < 0x60) |
8b2f0795 | 410 | dev->greenscreen_detected = 1; |
8b2f0795 DH |
411 | } |
412 | ||
413 | dma_q->pos += len; | |
414 | } | |
415 | ||
416 | /* | |
417 | * video-buf generic routine to get the next available buffer | |
418 | */ | |
419 | static inline void get_next_buf(struct au0828_dmaqueue *dma_q, | |
420 | struct au0828_buffer **buf) | |
421 | { | |
422 | struct au0828_dev *dev = container_of(dma_q, struct au0828_dev, vidq); | |
423 | ||
424 | if (list_empty(&dma_q->active)) { | |
425 | au0828_isocdbg("No active queue to serve\n"); | |
426 | dev->isoc_ctl.buf = NULL; | |
427 | *buf = NULL; | |
428 | return; | |
429 | } | |
430 | ||
431 | /* Get the next buffer */ | |
432 | *buf = list_entry(dma_q->active.next, struct au0828_buffer, vb.queue); | |
433 | dev->isoc_ctl.buf = *buf; | |
434 | ||
435 | return; | |
436 | } | |
437 | ||
7f8eacd2 DH |
438 | static void au0828_copy_vbi(struct au0828_dev *dev, |
439 | struct au0828_dmaqueue *dma_q, | |
440 | struct au0828_buffer *buf, | |
441 | unsigned char *p, | |
442 | unsigned char *outp, unsigned long len) | |
443 | { | |
444 | unsigned char *startwrite, *startread; | |
b5f5933a | 445 | int bytesperline; |
7f8eacd2 DH |
446 | int i, j = 0; |
447 | ||
448 | if (dev == NULL) { | |
449 | au0828_isocdbg("dev is null\n"); | |
450 | return; | |
451 | } | |
452 | ||
453 | if (dma_q == NULL) { | |
454 | au0828_isocdbg("dma_q is null\n"); | |
455 | return; | |
456 | } | |
457 | if (buf == NULL) | |
458 | return; | |
459 | if (p == NULL) { | |
460 | au0828_isocdbg("p is null\n"); | |
461 | return; | |
462 | } | |
463 | if (outp == NULL) { | |
464 | au0828_isocdbg("outp is null\n"); | |
465 | return; | |
466 | } | |
467 | ||
b5f5933a DC |
468 | bytesperline = dev->vbi_width; |
469 | ||
7f8eacd2 DH |
470 | if (dma_q->pos + len > buf->vb.size) |
471 | len = buf->vb.size - dma_q->pos; | |
472 | ||
473 | startread = p; | |
474 | startwrite = outp + (dma_q->pos / 2); | |
475 | ||
476 | /* Make sure the bottom field populates the second half of the frame */ | |
477 | if (buf->top_field == 0) | |
478 | startwrite += bytesperline * dev->vbi_height; | |
479 | ||
480 | for (i = 0; i < len; i += 2) | |
481 | startwrite[j++] = startread[i+1]; | |
482 | ||
483 | dma_q->pos += len; | |
484 | } | |
485 | ||
486 | ||
487 | /* | |
488 | * video-buf generic routine to get the next available VBI buffer | |
489 | */ | |
490 | static inline void vbi_get_next_buf(struct au0828_dmaqueue *dma_q, | |
491 | struct au0828_buffer **buf) | |
492 | { | |
493 | struct au0828_dev *dev = container_of(dma_q, struct au0828_dev, vbiq); | |
494 | char *outp; | |
495 | ||
496 | if (list_empty(&dma_q->active)) { | |
497 | au0828_isocdbg("No active queue to serve\n"); | |
498 | dev->isoc_ctl.vbi_buf = NULL; | |
499 | *buf = NULL; | |
500 | return; | |
501 | } | |
502 | ||
503 | /* Get the next buffer */ | |
504 | *buf = list_entry(dma_q->active.next, struct au0828_buffer, vb.queue); | |
25985edc | 505 | /* Cleans up buffer - Useful for testing for frame/URB loss */ |
7f8eacd2 DH |
506 | outp = videobuf_to_vmalloc(&(*buf)->vb); |
507 | memset(outp, 0x00, (*buf)->vb.size); | |
508 | ||
509 | dev->isoc_ctl.vbi_buf = *buf; | |
510 | ||
511 | return; | |
512 | } | |
513 | ||
8b2f0795 DH |
514 | /* |
515 | * Controls the isoc copy of each urb packet | |
516 | */ | |
517 | static inline int au0828_isoc_copy(struct au0828_dev *dev, struct urb *urb) | |
518 | { | |
519 | struct au0828_buffer *buf; | |
7f8eacd2 | 520 | struct au0828_buffer *vbi_buf; |
8b2f0795 | 521 | struct au0828_dmaqueue *dma_q = urb->context; |
7f8eacd2 | 522 | struct au0828_dmaqueue *vbi_dma_q = &dev->vbiq; |
8b2f0795 | 523 | unsigned char *outp = NULL; |
7f8eacd2 | 524 | unsigned char *vbioutp = NULL; |
8b2f0795 DH |
525 | int i, len = 0, rc = 1; |
526 | unsigned char *p; | |
527 | unsigned char fbyte; | |
7f8eacd2 DH |
528 | unsigned int vbi_field_size; |
529 | unsigned int remain, lencopy; | |
8b2f0795 DH |
530 | |
531 | if (!dev) | |
532 | return 0; | |
533 | ||
534 | if ((dev->dev_state & DEV_DISCONNECTED) || | |
535 | (dev->dev_state & DEV_MISCONFIGURED)) | |
536 | return 0; | |
537 | ||
538 | if (urb->status < 0) { | |
539 | print_err_status(dev, -1, urb->status); | |
540 | if (urb->status == -ENOENT) | |
541 | return 0; | |
542 | } | |
543 | ||
544 | buf = dev->isoc_ctl.buf; | |
545 | if (buf != NULL) | |
546 | outp = videobuf_to_vmalloc(&buf->vb); | |
547 | ||
7f8eacd2 DH |
548 | vbi_buf = dev->isoc_ctl.vbi_buf; |
549 | if (vbi_buf != NULL) | |
550 | vbioutp = videobuf_to_vmalloc(&vbi_buf->vb); | |
551 | ||
8b2f0795 DH |
552 | for (i = 0; i < urb->number_of_packets; i++) { |
553 | int status = urb->iso_frame_desc[i].status; | |
554 | ||
555 | if (status < 0) { | |
556 | print_err_status(dev, i, status); | |
557 | if (urb->iso_frame_desc[i].status != -EPROTO) | |
558 | continue; | |
559 | } | |
560 | ||
62899a28 | 561 | if (urb->iso_frame_desc[i].actual_length <= 0) |
8b2f0795 | 562 | continue; |
62899a28 | 563 | |
8b2f0795 DH |
564 | if (urb->iso_frame_desc[i].actual_length > |
565 | dev->max_pkt_size) { | |
566 | au0828_isocdbg("packet bigger than packet size"); | |
567 | continue; | |
568 | } | |
569 | ||
570 | p = urb->transfer_buffer + urb->iso_frame_desc[i].offset; | |
571 | fbyte = p[0]; | |
572 | len = urb->iso_frame_desc[i].actual_length - 4; | |
573 | p += 4; | |
574 | ||
575 | if (fbyte & 0x80) { | |
576 | len -= 4; | |
577 | p += 4; | |
578 | au0828_isocdbg("Video frame %s\n", | |
579 | (fbyte & 0x40) ? "odd" : "even"); | |
bde3bb9a | 580 | if (fbyte & 0x40) { |
7f8eacd2 DH |
581 | /* VBI */ |
582 | if (vbi_buf != NULL) | |
583 | vbi_buffer_filled(dev, | |
584 | vbi_dma_q, | |
585 | vbi_buf); | |
586 | vbi_get_next_buf(vbi_dma_q, &vbi_buf); | |
587 | if (vbi_buf == NULL) | |
588 | vbioutp = NULL; | |
589 | else | |
590 | vbioutp = videobuf_to_vmalloc( | |
591 | &vbi_buf->vb); | |
592 | ||
593 | /* Video */ | |
8b2f0795 DH |
594 | if (buf != NULL) |
595 | buffer_filled(dev, dma_q, buf); | |
596 | get_next_buf(dma_q, &buf); | |
62899a28 | 597 | if (buf == NULL) |
8b2f0795 | 598 | outp = NULL; |
62899a28 | 599 | else |
8b2f0795 | 600 | outp = videobuf_to_vmalloc(&buf->vb); |
78ca5005 DH |
601 | |
602 | /* As long as isoc traffic is arriving, keep | |
603 | resetting the timer */ | |
604 | if (dev->vid_timeout_running) | |
605 | mod_timer(&dev->vid_timeout, | |
606 | jiffies + (HZ / 10)); | |
607 | if (dev->vbi_timeout_running) | |
608 | mod_timer(&dev->vbi_timeout, | |
609 | jiffies + (HZ / 10)); | |
8b2f0795 DH |
610 | } |
611 | ||
612 | if (buf != NULL) { | |
62899a28 | 613 | if (fbyte & 0x40) |
8b2f0795 | 614 | buf->top_field = 1; |
62899a28 | 615 | else |
8b2f0795 | 616 | buf->top_field = 0; |
8b2f0795 DH |
617 | } |
618 | ||
7f8eacd2 DH |
619 | if (vbi_buf != NULL) { |
620 | if (fbyte & 0x40) | |
621 | vbi_buf->top_field = 1; | |
622 | else | |
623 | vbi_buf->top_field = 0; | |
624 | } | |
625 | ||
626 | dev->vbi_read = 0; | |
627 | vbi_dma_q->pos = 0; | |
8b2f0795 DH |
628 | dma_q->pos = 0; |
629 | } | |
7f8eacd2 DH |
630 | |
631 | vbi_field_size = dev->vbi_width * dev->vbi_height * 2; | |
632 | if (dev->vbi_read < vbi_field_size) { | |
633 | remain = vbi_field_size - dev->vbi_read; | |
634 | if (len < remain) | |
635 | lencopy = len; | |
636 | else | |
637 | lencopy = remain; | |
638 | ||
639 | if (vbi_buf != NULL) | |
640 | au0828_copy_vbi(dev, vbi_dma_q, vbi_buf, p, | |
641 | vbioutp, len); | |
642 | ||
643 | len -= lencopy; | |
644 | p += lencopy; | |
645 | dev->vbi_read += lencopy; | |
646 | } | |
647 | ||
648 | if (dev->vbi_read >= vbi_field_size && buf != NULL) | |
8b2f0795 | 649 | au0828_copy_video(dev, dma_q, buf, p, outp, len); |
8b2f0795 DH |
650 | } |
651 | return rc; | |
652 | } | |
653 | ||
654 | static int | |
655 | buffer_setup(struct videobuf_queue *vq, unsigned int *count, | |
656 | unsigned int *size) | |
657 | { | |
658 | struct au0828_fh *fh = vq->priv_data; | |
659 | *size = (fh->dev->width * fh->dev->height * 16 + 7) >> 3; | |
660 | ||
661 | if (0 == *count) | |
662 | *count = AU0828_DEF_BUF; | |
663 | ||
664 | if (*count < AU0828_MIN_BUF) | |
665 | *count = AU0828_MIN_BUF; | |
666 | return 0; | |
667 | } | |
668 | ||
669 | /* This is called *without* dev->slock held; please keep it that way */ | |
670 | static void free_buffer(struct videobuf_queue *vq, struct au0828_buffer *buf) | |
671 | { | |
672 | struct au0828_fh *fh = vq->priv_data; | |
673 | struct au0828_dev *dev = fh->dev; | |
674 | unsigned long flags = 0; | |
675 | if (in_interrupt()) | |
676 | BUG(); | |
677 | ||
678 | /* We used to wait for the buffer to finish here, but this didn't work | |
679 | because, as we were keeping the state as VIDEOBUF_QUEUED, | |
680 | videobuf_queue_cancel marked it as finished for us. | |
681 | (Also, it could wedge forever if the hardware was misconfigured.) | |
682 | ||
683 | This should be safe; by the time we get here, the buffer isn't | |
684 | queued anymore. If we ever start marking the buffers as | |
685 | VIDEOBUF_ACTIVE, it won't be, though. | |
686 | */ | |
687 | spin_lock_irqsave(&dev->slock, flags); | |
688 | if (dev->isoc_ctl.buf == buf) | |
689 | dev->isoc_ctl.buf = NULL; | |
690 | spin_unlock_irqrestore(&dev->slock, flags); | |
691 | ||
692 | videobuf_vmalloc_free(&buf->vb); | |
693 | buf->vb.state = VIDEOBUF_NEEDS_INIT; | |
694 | } | |
695 | ||
696 | static int | |
697 | buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, | |
698 | enum v4l2_field field) | |
699 | { | |
700 | struct au0828_fh *fh = vq->priv_data; | |
701 | struct au0828_buffer *buf = container_of(vb, struct au0828_buffer, vb); | |
702 | struct au0828_dev *dev = fh->dev; | |
703 | int rc = 0, urb_init = 0; | |
704 | ||
705 | buf->vb.size = (fh->dev->width * fh->dev->height * 16 + 7) >> 3; | |
706 | ||
707 | if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) | |
708 | return -EINVAL; | |
709 | ||
710 | buf->vb.width = dev->width; | |
711 | buf->vb.height = dev->height; | |
712 | buf->vb.field = field; | |
713 | ||
714 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { | |
715 | rc = videobuf_iolock(vq, &buf->vb, NULL); | |
716 | if (rc < 0) { | |
62899a28 | 717 | printk(KERN_INFO "videobuf_iolock failed\n"); |
8b2f0795 DH |
718 | goto fail; |
719 | } | |
720 | } | |
721 | ||
722 | if (!dev->isoc_ctl.num_bufs) | |
723 | urb_init = 1; | |
724 | ||
725 | if (urb_init) { | |
726 | rc = au0828_init_isoc(dev, AU0828_ISO_PACKETS_PER_URB, | |
727 | AU0828_MAX_ISO_BUFS, dev->max_pkt_size, | |
728 | au0828_isoc_copy); | |
729 | if (rc < 0) { | |
62899a28 | 730 | printk(KERN_INFO "au0828_init_isoc failed\n"); |
8b2f0795 DH |
731 | goto fail; |
732 | } | |
733 | } | |
734 | ||
735 | buf->vb.state = VIDEOBUF_PREPARED; | |
736 | return 0; | |
737 | ||
738 | fail: | |
739 | free_buffer(vq, buf); | |
740 | return rc; | |
741 | } | |
742 | ||
743 | static void | |
744 | buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) | |
745 | { | |
746 | struct au0828_buffer *buf = container_of(vb, | |
747 | struct au0828_buffer, | |
748 | vb); | |
749 | struct au0828_fh *fh = vq->priv_data; | |
750 | struct au0828_dev *dev = fh->dev; | |
751 | struct au0828_dmaqueue *vidq = &dev->vidq; | |
752 | ||
753 | buf->vb.state = VIDEOBUF_QUEUED; | |
754 | list_add_tail(&buf->vb.queue, &vidq->active); | |
755 | } | |
756 | ||
757 | static void buffer_release(struct videobuf_queue *vq, | |
758 | struct videobuf_buffer *vb) | |
759 | { | |
760 | struct au0828_buffer *buf = container_of(vb, | |
761 | struct au0828_buffer, | |
762 | vb); | |
763 | ||
764 | free_buffer(vq, buf); | |
765 | } | |
766 | ||
767 | static struct videobuf_queue_ops au0828_video_qops = { | |
768 | .buf_setup = buffer_setup, | |
769 | .buf_prepare = buffer_prepare, | |
770 | .buf_queue = buffer_queue, | |
771 | .buf_release = buffer_release, | |
772 | }; | |
773 | ||
774 | /* ------------------------------------------------------------------ | |
775 | V4L2 interface | |
776 | ------------------------------------------------------------------*/ | |
777 | ||
778 | static int au0828_i2s_init(struct au0828_dev *dev) | |
779 | { | |
780 | /* Enable i2s mode */ | |
781 | au0828_writereg(dev, AU0828_AUDIOCTRL_50C, 0x01); | |
782 | return 0; | |
783 | } | |
784 | ||
785 | /* | |
786 | * Auvitek au0828 analog stream enable | |
787 | * Please set interface0 to AS5 before enable the stream | |
788 | */ | |
789 | int au0828_analog_stream_enable(struct au0828_dev *d) | |
790 | { | |
791 | dprintk(1, "au0828_analog_stream_enable called\n"); | |
792 | au0828_writereg(d, AU0828_SENSORCTRL_VBI_103, 0x00); | |
793 | au0828_writereg(d, 0x106, 0x00); | |
794 | /* set x position */ | |
795 | au0828_writereg(d, 0x110, 0x00); | |
796 | au0828_writereg(d, 0x111, 0x00); | |
797 | au0828_writereg(d, 0x114, 0xa0); | |
798 | au0828_writereg(d, 0x115, 0x05); | |
799 | /* set y position */ | |
7f8eacd2 | 800 | au0828_writereg(d, 0x112, 0x00); |
8b2f0795 DH |
801 | au0828_writereg(d, 0x113, 0x00); |
802 | au0828_writereg(d, 0x116, 0xf2); | |
803 | au0828_writereg(d, 0x117, 0x00); | |
804 | au0828_writereg(d, AU0828_SENSORCTRL_100, 0xb3); | |
805 | ||
806 | return 0; | |
807 | } | |
808 | ||
809 | int au0828_analog_stream_disable(struct au0828_dev *d) | |
810 | { | |
811 | dprintk(1, "au0828_analog_stream_disable called\n"); | |
812 | au0828_writereg(d, AU0828_SENSORCTRL_100, 0x0); | |
813 | return 0; | |
814 | } | |
815 | ||
816 | void au0828_analog_stream_reset(struct au0828_dev *dev) | |
817 | { | |
818 | dprintk(1, "au0828_analog_stream_reset called\n"); | |
819 | au0828_writereg(dev, AU0828_SENSORCTRL_100, 0x0); | |
820 | mdelay(30); | |
821 | au0828_writereg(dev, AU0828_SENSORCTRL_100, 0xb3); | |
822 | } | |
823 | ||
824 | /* | |
825 | * Some operations needs to stop current streaming | |
826 | */ | |
827 | static int au0828_stream_interrupt(struct au0828_dev *dev) | |
828 | { | |
829 | int ret = 0; | |
830 | ||
831 | dev->stream_state = STREAM_INTERRUPT; | |
62899a28 | 832 | if (dev->dev_state == DEV_DISCONNECTED) |
8b2f0795 | 833 | return -ENODEV; |
62899a28 | 834 | else if (ret) { |
8b2f0795 | 835 | dev->dev_state = DEV_MISCONFIGURED; |
62899a28 | 836 | dprintk(1, "%s device is misconfigured!\n", __func__); |
8b2f0795 DH |
837 | return ret; |
838 | } | |
839 | return 0; | |
840 | } | |
841 | ||
842 | /* | |
843 | * au0828_release_resources | |
844 | * unregister v4l2 devices | |
845 | */ | |
846 | void au0828_analog_unregister(struct au0828_dev *dev) | |
847 | { | |
848 | dprintk(1, "au0828_release_resources called\n"); | |
849 | mutex_lock(&au0828_sysfs_lock); | |
850 | ||
63b0d5ad | 851 | if (dev->vdev) |
5a5a4e16 DH |
852 | video_unregister_device(dev->vdev); |
853 | if (dev->vbi_dev) | |
854 | video_unregister_device(dev->vbi_dev); | |
8b2f0795 DH |
855 | |
856 | mutex_unlock(&au0828_sysfs_lock); | |
857 | } | |
858 | ||
859 | ||
860 | /* Usage lock check functions */ | |
7f8eacd2 | 861 | static int res_get(struct au0828_fh *fh, unsigned int bit) |
8b2f0795 | 862 | { |
7f8eacd2 | 863 | struct au0828_dev *dev = fh->dev; |
8b2f0795 | 864 | |
7f8eacd2 DH |
865 | if (fh->resources & bit) |
866 | /* have it already allocated */ | |
867 | return 1; | |
8b2f0795 | 868 | |
7f8eacd2 DH |
869 | /* is it free? */ |
870 | mutex_lock(&dev->lock); | |
871 | if (dev->resources & bit) { | |
872 | /* no, someone else uses it */ | |
873 | mutex_unlock(&dev->lock); | |
874 | return 0; | |
875 | } | |
876 | /* it's free, grab it */ | |
877 | fh->resources |= bit; | |
878 | dev->resources |= bit; | |
879 | dprintk(1, "res: get %d\n", bit); | |
880 | mutex_unlock(&dev->lock); | |
881 | return 1; | |
882 | } | |
8b2f0795 | 883 | |
7f8eacd2 DH |
884 | static int res_check(struct au0828_fh *fh, unsigned int bit) |
885 | { | |
886 | return fh->resources & bit; | |
8b2f0795 DH |
887 | } |
888 | ||
7f8eacd2 | 889 | static int res_locked(struct au0828_dev *dev, unsigned int bit) |
8b2f0795 | 890 | { |
7f8eacd2 | 891 | return dev->resources & bit; |
8b2f0795 DH |
892 | } |
893 | ||
7f8eacd2 | 894 | static void res_free(struct au0828_fh *fh, unsigned int bits) |
8b2f0795 | 895 | { |
7f8eacd2 DH |
896 | struct au0828_dev *dev = fh->dev; |
897 | ||
898 | BUG_ON((fh->resources & bits) != bits); | |
8b2f0795 | 899 | |
7f8eacd2 DH |
900 | mutex_lock(&dev->lock); |
901 | fh->resources &= ~bits; | |
902 | dev->resources &= ~bits; | |
903 | dprintk(1, "res: put %d\n", bits); | |
904 | mutex_unlock(&dev->lock); | |
905 | } | |
906 | ||
907 | static int get_ressource(struct au0828_fh *fh) | |
908 | { | |
909 | switch (fh->type) { | |
910 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
911 | return AU0828_RESOURCE_VIDEO; | |
912 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
913 | return AU0828_RESOURCE_VBI; | |
914 | default: | |
915 | BUG(); | |
916 | return 0; | |
917 | } | |
8b2f0795 DH |
918 | } |
919 | ||
6e04b7b9 DH |
920 | /* This function ensures that video frames continue to be delivered even if |
921 | the ITU-656 input isn't receiving any data (thereby preventing applications | |
922 | such as tvtime from hanging) */ | |
923 | void au0828_vid_buffer_timeout(unsigned long data) | |
924 | { | |
925 | struct au0828_dev *dev = (struct au0828_dev *) data; | |
926 | struct au0828_dmaqueue *dma_q = &dev->vidq; | |
927 | struct au0828_buffer *buf; | |
928 | unsigned char *vid_data; | |
78ca5005 | 929 | unsigned long flags = 0; |
6e04b7b9 | 930 | |
78ca5005 | 931 | spin_lock_irqsave(&dev->slock, flags); |
6e04b7b9 DH |
932 | |
933 | buf = dev->isoc_ctl.buf; | |
934 | if (buf != NULL) { | |
935 | vid_data = videobuf_to_vmalloc(&buf->vb); | |
936 | memset(vid_data, 0x00, buf->vb.size); /* Blank green frame */ | |
937 | buffer_filled(dev, dma_q, buf); | |
6e04b7b9 | 938 | } |
78ca5005 DH |
939 | get_next_buf(dma_q, &buf); |
940 | ||
941 | if (dev->vid_timeout_running == 1) | |
942 | mod_timer(&dev->vid_timeout, jiffies + (HZ / 10)); | |
6e04b7b9 | 943 | |
78ca5005 | 944 | spin_unlock_irqrestore(&dev->slock, flags); |
6e04b7b9 DH |
945 | } |
946 | ||
947 | void au0828_vbi_buffer_timeout(unsigned long data) | |
948 | { | |
949 | struct au0828_dev *dev = (struct au0828_dev *) data; | |
950 | struct au0828_dmaqueue *dma_q = &dev->vbiq; | |
951 | struct au0828_buffer *buf; | |
952 | unsigned char *vbi_data; | |
78ca5005 | 953 | unsigned long flags = 0; |
6e04b7b9 | 954 | |
78ca5005 | 955 | spin_lock_irqsave(&dev->slock, flags); |
6e04b7b9 DH |
956 | |
957 | buf = dev->isoc_ctl.vbi_buf; | |
958 | if (buf != NULL) { | |
959 | vbi_data = videobuf_to_vmalloc(&buf->vb); | |
960 | memset(vbi_data, 0x00, buf->vb.size); | |
961 | vbi_buffer_filled(dev, dma_q, buf); | |
6e04b7b9 | 962 | } |
78ca5005 | 963 | vbi_get_next_buf(dma_q, &buf); |
6e04b7b9 | 964 | |
78ca5005 DH |
965 | if (dev->vbi_timeout_running == 1) |
966 | mod_timer(&dev->vbi_timeout, jiffies + (HZ / 10)); | |
967 | spin_unlock_irqrestore(&dev->slock, flags); | |
6e04b7b9 DH |
968 | } |
969 | ||
970 | ||
8b2f0795 DH |
971 | static int au0828_v4l2_open(struct file *filp) |
972 | { | |
8b2f0795 | 973 | int ret = 0; |
7f8eacd2 | 974 | struct video_device *vdev = video_devdata(filp); |
63b0d5ad | 975 | struct au0828_dev *dev = video_drvdata(filp); |
8b2f0795 | 976 | struct au0828_fh *fh; |
7f8eacd2 | 977 | int type; |
63b0d5ad | 978 | |
7f8eacd2 DH |
979 | switch (vdev->vfl_type) { |
980 | case VFL_TYPE_GRABBER: | |
981 | type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
982 | break; | |
983 | case VFL_TYPE_VBI: | |
63b0d5ad | 984 | type = V4L2_BUF_TYPE_VBI_CAPTURE; |
7f8eacd2 DH |
985 | break; |
986 | default: | |
987 | return -EINVAL; | |
988 | } | |
8b2f0795 DH |
989 | |
990 | fh = kzalloc(sizeof(struct au0828_fh), GFP_KERNEL); | |
62899a28 | 991 | if (NULL == fh) { |
8b2f0795 DH |
992 | dprintk(1, "Failed allocate au0828_fh struct!\n"); |
993 | return -ENOMEM; | |
994 | } | |
995 | ||
996 | fh->type = type; | |
997 | fh->dev = dev; | |
998 | filp->private_data = fh; | |
999 | ||
62899a28 | 1000 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->users == 0) { |
8b2f0795 DH |
1001 | /* set au0828 interface0 to AS5 here again */ |
1002 | ret = usb_set_interface(dev->usbdev, 0, 5); | |
62899a28 DH |
1003 | if (ret < 0) { |
1004 | printk(KERN_INFO "Au0828 can't set alternate to 5!\n"); | |
8b2f0795 DH |
1005 | return -EBUSY; |
1006 | } | |
1007 | dev->width = NTSC_STD_W; | |
1008 | dev->height = NTSC_STD_H; | |
1009 | dev->frame_size = dev->width * dev->height * 2; | |
1010 | dev->field_size = dev->width * dev->height; | |
1011 | dev->bytesperline = dev->width * 2; | |
1012 | ||
1013 | au0828_analog_stream_enable(dev); | |
1014 | au0828_analog_stream_reset(dev); | |
1015 | ||
1016 | /* If we were doing ac97 instead of i2s, it would go here...*/ | |
1017 | au0828_i2s_init(dev); | |
1018 | ||
1019 | dev->stream_state = STREAM_OFF; | |
1020 | dev->dev_state |= DEV_INITIALIZED; | |
1021 | } | |
1022 | ||
1023 | dev->users++; | |
1024 | ||
1025 | videobuf_queue_vmalloc_init(&fh->vb_vidq, &au0828_video_qops, | |
7f8eacd2 DH |
1026 | NULL, &dev->slock, |
1027 | V4L2_BUF_TYPE_VIDEO_CAPTURE, | |
8b2f0795 | 1028 | V4L2_FIELD_INTERLACED, |
08bff03e | 1029 | sizeof(struct au0828_buffer), fh, NULL); |
8b2f0795 | 1030 | |
7f8eacd2 DH |
1031 | /* VBI Setup */ |
1032 | dev->vbi_width = 720; | |
1033 | dev->vbi_height = 1; | |
1034 | videobuf_queue_vmalloc_init(&fh->vb_vbiq, &au0828_vbi_qops, | |
1035 | NULL, &dev->slock, | |
1036 | V4L2_BUF_TYPE_VBI_CAPTURE, | |
1037 | V4L2_FIELD_SEQ_TB, | |
08bff03e | 1038 | sizeof(struct au0828_buffer), fh, NULL); |
7f8eacd2 | 1039 | |
8b2f0795 DH |
1040 | return ret; |
1041 | } | |
1042 | ||
1043 | static int au0828_v4l2_close(struct file *filp) | |
1044 | { | |
1045 | int ret; | |
1046 | struct au0828_fh *fh = filp->private_data; | |
1047 | struct au0828_dev *dev = fh->dev; | |
1048 | ||
7f8eacd2 | 1049 | if (res_check(fh, AU0828_RESOURCE_VIDEO)) { |
78ca5005 DH |
1050 | /* Cancel timeout thread in case they didn't call streamoff */ |
1051 | dev->vid_timeout_running = 0; | |
1052 | del_timer_sync(&dev->vid_timeout); | |
1053 | ||
8b2f0795 | 1054 | videobuf_stop(&fh->vb_vidq); |
7f8eacd2 DH |
1055 | res_free(fh, AU0828_RESOURCE_VIDEO); |
1056 | } | |
8b2f0795 | 1057 | |
7f8eacd2 | 1058 | if (res_check(fh, AU0828_RESOURCE_VBI)) { |
78ca5005 DH |
1059 | /* Cancel timeout thread in case they didn't call streamoff */ |
1060 | dev->vbi_timeout_running = 0; | |
1061 | del_timer_sync(&dev->vbi_timeout); | |
1062 | ||
7f8eacd2 DH |
1063 | videobuf_stop(&fh->vb_vbiq); |
1064 | res_free(fh, AU0828_RESOURCE_VBI); | |
1065 | } | |
1066 | ||
1067 | if (dev->users == 1) { | |
62899a28 | 1068 | if (dev->dev_state & DEV_DISCONNECTED) { |
8b2f0795 | 1069 | au0828_analog_unregister(dev); |
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; | |
1137 | int rc; | |
1138 | ||
1139 | rc = check_dev(dev); | |
1140 | if (rc < 0) | |
1141 | return rc; | |
1142 | ||
7f8eacd2 DH |
1143 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
1144 | if (!res_get(fh, AU0828_RESOURCE_VIDEO)) | |
1145 | return POLLERR; | |
1146 | return videobuf_poll_stream(filp, &fh->vb_vidq, wait); | |
1147 | } else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { | |
1148 | if (!res_get(fh, AU0828_RESOURCE_VBI)) | |
1149 | return POLLERR; | |
1150 | return videobuf_poll_stream(filp, &fh->vb_vbiq, wait); | |
1151 | } else { | |
8b2f0795 | 1152 | return POLLERR; |
7f8eacd2 | 1153 | } |
8b2f0795 DH |
1154 | } |
1155 | ||
1156 | static int au0828_v4l2_mmap(struct file *filp, struct vm_area_struct *vma) | |
1157 | { | |
1158 | struct au0828_fh *fh = filp->private_data; | |
1159 | struct au0828_dev *dev = fh->dev; | |
1160 | int rc; | |
1161 | ||
1162 | rc = check_dev(dev); | |
1163 | if (rc < 0) | |
1164 | return rc; | |
1165 | ||
7f8eacd2 DH |
1166 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1167 | rc = videobuf_mmap_mapper(&fh->vb_vidq, vma); | |
1168 | else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) | |
1169 | rc = videobuf_mmap_mapper(&fh->vb_vbiq, vma); | |
8b2f0795 | 1170 | |
8b2f0795 DH |
1171 | return rc; |
1172 | } | |
1173 | ||
1174 | static int au0828_set_format(struct au0828_dev *dev, unsigned int cmd, | |
1175 | struct v4l2_format *format) | |
1176 | { | |
1177 | int ret; | |
1178 | int width = format->fmt.pix.width; | |
1179 | int height = format->fmt.pix.height; | |
8b2f0795 | 1180 | |
62899a28 | 1181 | if (format->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
8b2f0795 | 1182 | return -EINVAL; |
8b2f0795 DH |
1183 | |
1184 | /* If they are demanding a format other than the one we support, | |
1185 | bail out (tvtime asks for UYVY and then retries with YUYV) */ | |
62899a28 | 1186 | if (format->fmt.pix.pixelformat != V4L2_PIX_FMT_UYVY) |
8b2f0795 | 1187 | return -EINVAL; |
8b2f0795 DH |
1188 | |
1189 | /* format->fmt.pix.width only support 720 and height 480 */ | |
62899a28 | 1190 | if (width != 720) |
8b2f0795 | 1191 | width = 720; |
62899a28 | 1192 | if (height != 480) |
8b2f0795 DH |
1193 | height = 480; |
1194 | ||
1195 | format->fmt.pix.width = width; | |
1196 | format->fmt.pix.height = height; | |
1197 | format->fmt.pix.pixelformat = V4L2_PIX_FMT_UYVY; | |
1198 | format->fmt.pix.bytesperline = width * 2; | |
1199 | format->fmt.pix.sizeimage = width * height * 2; | |
1200 | format->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; | |
1201 | format->fmt.pix.field = V4L2_FIELD_INTERLACED; | |
1202 | ||
62899a28 | 1203 | if (cmd == VIDIOC_TRY_FMT) |
8b2f0795 DH |
1204 | return 0; |
1205 | ||
1206 | /* maybe set new image format, driver current only support 720*480 */ | |
1207 | dev->width = width; | |
1208 | dev->height = height; | |
1209 | dev->frame_size = width * height * 2; | |
1210 | dev->field_size = width * height; | |
1211 | dev->bytesperline = width * 2; | |
1212 | ||
62899a28 | 1213 | if (dev->stream_state == STREAM_ON) { |
8b2f0795 | 1214 | dprintk(1, "VIDIOC_SET_FMT: interrupting stream!\n"); |
62899a28 DH |
1215 | ret = au0828_stream_interrupt(dev); |
1216 | if (ret != 0) { | |
8b2f0795 DH |
1217 | dprintk(1, "error interrupting video stream!\n"); |
1218 | return ret; | |
1219 | } | |
1220 | } | |
1221 | ||
1222 | /* set au0828 interface0 to AS5 here again */ | |
1223 | ret = usb_set_interface(dev->usbdev, 0, 5); | |
62899a28 DH |
1224 | if (ret < 0) { |
1225 | printk(KERN_INFO "Au0828 can't set alt setting to 5!\n"); | |
8b2f0795 DH |
1226 | return -EBUSY; |
1227 | } | |
1228 | ||
1229 | au0828_analog_stream_enable(dev); | |
1230 | ||
1231 | return 0; | |
1232 | } | |
1233 | ||
1234 | ||
1235 | static int vidioc_queryctrl(struct file *file, void *priv, | |
1236 | struct v4l2_queryctrl *qc) | |
1237 | { | |
1238 | struct au0828_fh *fh = priv; | |
1239 | struct au0828_dev *dev = fh->dev; | |
2689d3dc | 1240 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, queryctrl, qc); |
8b2f0795 DH |
1241 | if (qc->type) |
1242 | return 0; | |
1243 | else | |
1244 | return -EINVAL; | |
1245 | } | |
1246 | ||
1247 | static int vidioc_querycap(struct file *file, void *priv, | |
1248 | struct v4l2_capability *cap) | |
1249 | { | |
1250 | struct au0828_fh *fh = priv; | |
1251 | struct au0828_dev *dev = fh->dev; | |
1252 | ||
8b2f0795 | 1253 | strlcpy(cap->driver, "au0828", sizeof(cap->driver)); |
f1add5b5 | 1254 | strlcpy(cap->card, dev->board.name, sizeof(cap->card)); |
b14667f3 | 1255 | strlcpy(cap->bus_info, dev->v4l2_dev.name, sizeof(cap->bus_info)); |
8b2f0795 DH |
1256 | |
1257 | cap->version = AU0828_VERSION_CODE; | |
1258 | ||
1259 | /*set the device capabilities */ | |
5a5a4e16 | 1260 | cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | |
5a5a4e16 | 1261 | V4L2_CAP_VBI_CAPTURE | |
8b2f0795 DH |
1262 | V4L2_CAP_AUDIO | |
1263 | V4L2_CAP_READWRITE | | |
1264 | V4L2_CAP_STREAMING | | |
1265 | V4L2_CAP_TUNER; | |
1266 | return 0; | |
1267 | } | |
1268 | ||
1269 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, | |
1270 | struct v4l2_fmtdesc *f) | |
1271 | { | |
62899a28 | 1272 | if (f->index) |
8b2f0795 DH |
1273 | return -EINVAL; |
1274 | ||
8b2f0795 DH |
1275 | f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
1276 | strcpy(f->description, "Packed YUV2"); | |
1277 | ||
1278 | f->flags = 0; | |
1279 | f->pixelformat = V4L2_PIX_FMT_UYVY; | |
1280 | ||
8b2f0795 DH |
1281 | return 0; |
1282 | } | |
1283 | ||
1284 | static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, | |
1285 | struct v4l2_format *f) | |
1286 | { | |
1287 | struct au0828_fh *fh = priv; | |
1288 | struct au0828_dev *dev = fh->dev; | |
1289 | ||
1290 | f->fmt.pix.width = dev->width; | |
1291 | f->fmt.pix.height = dev->height; | |
1292 | f->fmt.pix.pixelformat = V4L2_PIX_FMT_UYVY; | |
1293 | f->fmt.pix.bytesperline = dev->bytesperline; | |
1294 | f->fmt.pix.sizeimage = dev->frame_size; | |
1295 | f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; /* NTSC/PAL */ | |
1296 | f->fmt.pix.field = V4L2_FIELD_INTERLACED; | |
1297 | return 0; | |
1298 | } | |
1299 | ||
1300 | static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, | |
1301 | struct v4l2_format *f) | |
1302 | { | |
1303 | struct au0828_fh *fh = priv; | |
1304 | struct au0828_dev *dev = fh->dev; | |
1305 | ||
1306 | return au0828_set_format(dev, VIDIOC_TRY_FMT, f); | |
1307 | } | |
1308 | ||
1309 | static int vidioc_s_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 | int rc; | |
1315 | ||
7f8eacd2 DH |
1316 | rc = check_dev(dev); |
1317 | if (rc < 0) | |
1318 | return rc; | |
1319 | ||
1320 | mutex_lock(&dev->lock); | |
1321 | ||
8b2f0795 | 1322 | if (videobuf_queue_is_busy(&fh->vb_vidq)) { |
62899a28 | 1323 | printk(KERN_INFO "%s queue busy\n", __func__); |
8b2f0795 DH |
1324 | rc = -EBUSY; |
1325 | goto out; | |
1326 | } | |
1327 | ||
7f8eacd2 | 1328 | rc = au0828_set_format(dev, VIDIOC_S_FMT, f); |
8b2f0795 | 1329 | out: |
7f8eacd2 | 1330 | mutex_unlock(&dev->lock); |
8b2f0795 DH |
1331 | return rc; |
1332 | } | |
1333 | ||
1334 | static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id * norm) | |
1335 | { | |
1336 | struct au0828_fh *fh = priv; | |
1337 | struct au0828_dev *dev = fh->dev; | |
1338 | ||
1339 | /* FIXME: when we support something other than NTSC, we are going to | |
1340 | have to make the au0828 bridge adjust the size of its capture | |
1341 | buffer, which is currently hardcoded at 720x480 */ | |
1342 | ||
f41737ec | 1343 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_std, *norm); |
8b2f0795 DH |
1344 | return 0; |
1345 | } | |
1346 | ||
1347 | static int vidioc_enum_input(struct file *file, void *priv, | |
1348 | struct v4l2_input *input) | |
1349 | { | |
1350 | struct au0828_fh *fh = priv; | |
1351 | struct au0828_dev *dev = fh->dev; | |
1352 | unsigned int tmp; | |
1353 | ||
1354 | static const char *inames[] = { | |
3d62287e | 1355 | [AU0828_VMUX_UNDEFINED] = "Undefined", |
8b2f0795 DH |
1356 | [AU0828_VMUX_COMPOSITE] = "Composite", |
1357 | [AU0828_VMUX_SVIDEO] = "S-Video", | |
1358 | [AU0828_VMUX_CABLE] = "Cable TV", | |
1359 | [AU0828_VMUX_TELEVISION] = "Television", | |
1360 | [AU0828_VMUX_DVB] = "DVB", | |
1361 | [AU0828_VMUX_DEBUG] = "tv debug" | |
1362 | }; | |
1363 | ||
1364 | tmp = input->index; | |
1365 | ||
f5e20c34 | 1366 | if (tmp >= AU0828_MAX_INPUT) |
8b2f0795 | 1367 | return -EINVAL; |
62899a28 | 1368 | if (AUVI_INPUT(tmp).type == 0) |
8b2f0795 DH |
1369 | return -EINVAL; |
1370 | ||
8b2f0795 | 1371 | input->index = tmp; |
f1add5b5 | 1372 | strcpy(input->name, inames[AUVI_INPUT(tmp).type]); |
62899a28 DH |
1373 | if ((AUVI_INPUT(tmp).type == AU0828_VMUX_TELEVISION) || |
1374 | (AUVI_INPUT(tmp).type == AU0828_VMUX_CABLE)) | |
8b2f0795 DH |
1375 | input->type |= V4L2_INPUT_TYPE_TUNER; |
1376 | else | |
1377 | input->type |= V4L2_INPUT_TYPE_CAMERA; | |
1378 | ||
1379 | input->std = dev->vdev->tvnorms; | |
1380 | ||
1381 | return 0; | |
1382 | } | |
1383 | ||
1384 | static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) | |
1385 | { | |
1386 | struct au0828_fh *fh = priv; | |
1387 | struct au0828_dev *dev = fh->dev; | |
1388 | *i = dev->ctrl_input; | |
1389 | return 0; | |
1390 | } | |
1391 | ||
1392 | static int vidioc_s_input(struct file *file, void *priv, unsigned int index) | |
1393 | { | |
1394 | struct au0828_fh *fh = priv; | |
1395 | struct au0828_dev *dev = fh->dev; | |
1396 | int i; | |
8b2f0795 | 1397 | |
62899a28 | 1398 | dprintk(1, "VIDIOC_S_INPUT in function %s, input=%d\n", __func__, |
8b2f0795 | 1399 | index); |
62899a28 | 1400 | if (index >= AU0828_MAX_INPUT) |
8b2f0795 | 1401 | return -EINVAL; |
62899a28 | 1402 | if (AUVI_INPUT(index).type == 0) |
8b2f0795 DH |
1403 | return -EINVAL; |
1404 | dev->ctrl_input = index; | |
1405 | ||
62899a28 | 1406 | switch (AUVI_INPUT(index).type) { |
8b2f0795 | 1407 | case AU0828_VMUX_SVIDEO: |
8b2f0795 DH |
1408 | dev->input_type = AU0828_VMUX_SVIDEO; |
1409 | break; | |
8b2f0795 | 1410 | case AU0828_VMUX_COMPOSITE: |
8b2f0795 DH |
1411 | dev->input_type = AU0828_VMUX_COMPOSITE; |
1412 | break; | |
8b2f0795 | 1413 | case AU0828_VMUX_TELEVISION: |
8b2f0795 DH |
1414 | dev->input_type = AU0828_VMUX_TELEVISION; |
1415 | break; | |
8b2f0795 | 1416 | default: |
a1094c4c DH |
1417 | dprintk(1, "VIDIOC_S_INPUT unknown input type set [%d]\n", |
1418 | AUVI_INPUT(index).type); | |
1419 | break; | |
8b2f0795 DH |
1420 | } |
1421 | ||
5325b427 HV |
1422 | v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_routing, |
1423 | AUVI_INPUT(index).vmux, 0, 0); | |
8b2f0795 DH |
1424 | |
1425 | for (i = 0; i < AU0828_MAX_INPUT; i++) { | |
1426 | int enable = 0; | |
62899a28 | 1427 | if (AUVI_INPUT(i).audio_setup == NULL) |
8b2f0795 | 1428 | continue; |
8b2f0795 DH |
1429 | |
1430 | if (i == index) | |
1431 | enable = 1; | |
1432 | else | |
1433 | enable = 0; | |
1434 | if (enable) { | |
f1add5b5 | 1435 | (AUVI_INPUT(i).audio_setup)(dev, enable); |
8b2f0795 DH |
1436 | } else { |
1437 | /* Make sure we leave it turned on if some | |
1438 | other input is routed to this callback */ | |
f1add5b5 DH |
1439 | if ((AUVI_INPUT(i).audio_setup) != |
1440 | ((AUVI_INPUT(index).audio_setup))) { | |
1441 | (AUVI_INPUT(i).audio_setup)(dev, enable); | |
8b2f0795 DH |
1442 | } |
1443 | } | |
1444 | } | |
1445 | ||
5325b427 HV |
1446 | v4l2_device_call_all(&dev->v4l2_dev, 0, audio, s_routing, |
1447 | AUVI_INPUT(index).amux, 0, 0); | |
8b2f0795 DH |
1448 | return 0; |
1449 | } | |
1450 | ||
1451 | static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a) | |
1452 | { | |
1453 | struct au0828_fh *fh = priv; | |
1454 | struct au0828_dev *dev = fh->dev; | |
1455 | unsigned int index = a->index; | |
1456 | ||
62899a28 | 1457 | if (a->index > 1) |
8b2f0795 DH |
1458 | return -EINVAL; |
1459 | ||
8b2f0795 | 1460 | index = dev->ctrl_ainput; |
62899a28 | 1461 | if (index == 0) |
8b2f0795 DH |
1462 | strcpy(a->name, "Television"); |
1463 | else | |
1464 | strcpy(a->name, "Line in"); | |
1465 | ||
1466 | a->capability = V4L2_AUDCAP_STEREO; | |
1467 | a->index = index; | |
1468 | return 0; | |
1469 | } | |
1470 | ||
1471 | static int vidioc_s_audio(struct file *file, void *priv, struct v4l2_audio *a) | |
1472 | { | |
1473 | struct au0828_fh *fh = priv; | |
1474 | struct au0828_dev *dev = fh->dev; | |
62899a28 | 1475 | if (a->index != dev->ctrl_ainput) |
8b2f0795 DH |
1476 | return -EINVAL; |
1477 | return 0; | |
1478 | } | |
1479 | ||
1480 | static int vidioc_g_ctrl(struct file *file, void *priv, | |
1481 | struct v4l2_control *ctrl) | |
1482 | { | |
1483 | struct au0828_fh *fh = priv; | |
1484 | struct au0828_dev *dev = fh->dev; | |
1485 | ||
2689d3dc | 1486 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_ctrl, ctrl); |
8b2f0795 DH |
1487 | return 0; |
1488 | ||
1489 | } | |
1490 | ||
1491 | static int vidioc_s_ctrl(struct file *file, void *priv, | |
1492 | struct v4l2_control *ctrl) | |
1493 | { | |
1494 | struct au0828_fh *fh = priv; | |
1495 | struct au0828_dev *dev = fh->dev; | |
2689d3dc | 1496 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_ctrl, ctrl); |
8b2f0795 DH |
1497 | return 0; |
1498 | } | |
1499 | ||
1500 | static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) | |
1501 | { | |
1502 | struct au0828_fh *fh = priv; | |
1503 | struct au0828_dev *dev = fh->dev; | |
1504 | ||
62899a28 | 1505 | if (t->index != 0) |
8b2f0795 DH |
1506 | return -EINVAL; |
1507 | ||
8b2f0795 | 1508 | strcpy(t->name, "Auvitek tuner"); |
2689d3dc | 1509 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t); |
8b2f0795 DH |
1510 | return 0; |
1511 | } | |
1512 | ||
1513 | static int vidioc_s_tuner(struct file *file, void *priv, | |
1514 | struct v4l2_tuner *t) | |
1515 | { | |
1516 | struct au0828_fh *fh = priv; | |
1517 | struct au0828_dev *dev = fh->dev; | |
1518 | ||
62899a28 | 1519 | if (t->index != 0) |
8b2f0795 DH |
1520 | return -EINVAL; |
1521 | ||
1522 | t->type = V4L2_TUNER_ANALOG_TV; | |
2689d3dc | 1523 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t); |
8b2f0795 DH |
1524 | dprintk(1, "VIDIOC_S_TUNER: signal = %x, afc = %x\n", t->signal, |
1525 | t->afc); | |
1526 | return 0; | |
1527 | ||
1528 | } | |
1529 | ||
1530 | static int vidioc_g_frequency(struct file *file, void *priv, | |
1531 | struct v4l2_frequency *freq) | |
1532 | { | |
1533 | struct au0828_fh *fh = priv; | |
1534 | struct au0828_dev *dev = fh->dev; | |
c888923d | 1535 | |
8b2f0795 DH |
1536 | freq->type = V4L2_TUNER_ANALOG_TV; |
1537 | freq->frequency = dev->ctrl_freq; | |
1538 | return 0; | |
1539 | } | |
1540 | ||
1541 | static int vidioc_s_frequency(struct file *file, void *priv, | |
1542 | struct v4l2_frequency *freq) | |
1543 | { | |
1544 | struct au0828_fh *fh = priv; | |
1545 | struct au0828_dev *dev = fh->dev; | |
1546 | ||
62899a28 | 1547 | if (freq->tuner != 0) |
8b2f0795 | 1548 | return -EINVAL; |
62899a28 | 1549 | if (freq->type != V4L2_TUNER_ANALOG_TV) |
8b2f0795 DH |
1550 | return -EINVAL; |
1551 | ||
1552 | dev->ctrl_freq = freq->frequency; | |
1553 | ||
2689d3dc | 1554 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, freq); |
8b2f0795 DH |
1555 | |
1556 | au0828_analog_stream_reset(dev); | |
1557 | ||
1558 | return 0; | |
1559 | } | |
1560 | ||
7f8eacd2 DH |
1561 | |
1562 | /* RAW VBI ioctls */ | |
1563 | ||
1564 | static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv, | |
1565 | struct v4l2_format *format) | |
1566 | { | |
1567 | struct au0828_fh *fh = priv; | |
1568 | struct au0828_dev *dev = fh->dev; | |
1569 | ||
1570 | format->fmt.vbi.samples_per_line = dev->vbi_width; | |
1571 | format->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; | |
1572 | format->fmt.vbi.offset = 0; | |
1573 | format->fmt.vbi.flags = 0; | |
1574 | format->fmt.vbi.sampling_rate = 6750000 * 4 / 2; | |
1575 | ||
1576 | format->fmt.vbi.count[0] = dev->vbi_height; | |
1577 | format->fmt.vbi.count[1] = dev->vbi_height; | |
1578 | format->fmt.vbi.start[0] = 21; | |
1579 | format->fmt.vbi.start[1] = 284; | |
1580 | ||
1581 | return 0; | |
1582 | } | |
1583 | ||
8b2f0795 DH |
1584 | static int vidioc_g_chip_ident(struct file *file, void *priv, |
1585 | struct v4l2_dbg_chip_ident *chip) | |
1586 | { | |
1587 | struct au0828_fh *fh = priv; | |
1588 | struct au0828_dev *dev = fh->dev; | |
1589 | chip->ident = V4L2_IDENT_NONE; | |
1590 | chip->revision = 0; | |
1591 | ||
d9109bef DH |
1592 | if (v4l2_chip_match_host(&chip->match)) { |
1593 | chip->ident = V4L2_IDENT_AU0828; | |
1594 | return 0; | |
1595 | } | |
1596 | ||
2689d3dc | 1597 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_chip_ident, chip); |
d9109bef DH |
1598 | if (chip->ident == V4L2_IDENT_NONE) |
1599 | return -EINVAL; | |
1600 | ||
8b2f0795 DH |
1601 | return 0; |
1602 | } | |
1603 | ||
1604 | static int vidioc_cropcap(struct file *file, void *priv, | |
1605 | struct v4l2_cropcap *cc) | |
1606 | { | |
1607 | struct au0828_fh *fh = priv; | |
1608 | struct au0828_dev *dev = fh->dev; | |
1609 | ||
62899a28 | 1610 | if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
8b2f0795 DH |
1611 | return -EINVAL; |
1612 | ||
1613 | cc->bounds.left = 0; | |
1614 | cc->bounds.top = 0; | |
1615 | cc->bounds.width = dev->width; | |
1616 | cc->bounds.height = dev->height; | |
1617 | ||
1618 | cc->defrect = cc->bounds; | |
1619 | ||
1620 | cc->pixelaspect.numerator = 54; | |
1621 | cc->pixelaspect.denominator = 59; | |
1622 | ||
1623 | return 0; | |
1624 | } | |
1625 | ||
1626 | static int vidioc_streamon(struct file *file, void *priv, | |
1627 | enum v4l2_buf_type type) | |
1628 | { | |
7f8eacd2 DH |
1629 | struct au0828_fh *fh = priv; |
1630 | struct au0828_dev *dev = fh->dev; | |
1631 | int rc = -EINVAL; | |
8b2f0795 DH |
1632 | |
1633 | rc = check_dev(dev); | |
1634 | if (rc < 0) | |
1635 | return rc; | |
1636 | ||
7f8eacd2 DH |
1637 | if (unlikely(type != fh->type)) |
1638 | return -EINVAL; | |
1639 | ||
1640 | dprintk(1, "vidioc_streamon fh=%p t=%d fh->res=%d dev->res=%d\n", | |
1641 | fh, type, fh->resources, dev->resources); | |
1642 | ||
1643 | if (unlikely(!res_get(fh, get_ressource(fh)))) | |
1644 | return -EBUSY; | |
1645 | ||
8b2f0795 DH |
1646 | if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
1647 | au0828_analog_stream_enable(dev); | |
2689d3dc | 1648 | v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 1); |
8b2f0795 DH |
1649 | } |
1650 | ||
78ca5005 | 1651 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
8b2f0795 | 1652 | rc = videobuf_streamon(&fh->vb_vidq); |
78ca5005 DH |
1653 | dev->vid_timeout_running = 1; |
1654 | mod_timer(&dev->vid_timeout, jiffies + (HZ / 10)); | |
1655 | } else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { | |
7f8eacd2 | 1656 | rc = videobuf_streamon(&fh->vb_vbiq); |
78ca5005 DH |
1657 | dev->vbi_timeout_running = 1; |
1658 | mod_timer(&dev->vbi_timeout, jiffies + (HZ / 10)); | |
1659 | } | |
8b2f0795 DH |
1660 | |
1661 | return rc; | |
1662 | } | |
1663 | ||
1664 | static int vidioc_streamoff(struct file *file, void *priv, | |
1665 | enum v4l2_buf_type type) | |
1666 | { | |
7f8eacd2 DH |
1667 | struct au0828_fh *fh = priv; |
1668 | struct au0828_dev *dev = fh->dev; | |
1669 | int rc; | |
1670 | int i; | |
8b2f0795 DH |
1671 | |
1672 | rc = check_dev(dev); | |
1673 | if (rc < 0) | |
1674 | return rc; | |
1675 | ||
7f8eacd2 DH |
1676 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && |
1677 | fh->type != V4L2_BUF_TYPE_VBI_CAPTURE) | |
8b2f0795 DH |
1678 | return -EINVAL; |
1679 | if (type != fh->type) | |
1680 | return -EINVAL; | |
1681 | ||
7f8eacd2 DH |
1682 | dprintk(1, "vidioc_streamoff fh=%p t=%d fh->res=%d dev->res=%d\n", |
1683 | fh, type, fh->resources, dev->resources); | |
1684 | ||
1685 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { | |
78ca5005 DH |
1686 | dev->vid_timeout_running = 0; |
1687 | del_timer_sync(&dev->vid_timeout); | |
1688 | ||
2689d3dc | 1689 | v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 0); |
7f8eacd2 DH |
1690 | rc = au0828_stream_interrupt(dev); |
1691 | if (rc != 0) | |
1692 | return rc; | |
8b2f0795 | 1693 | |
7f8eacd2 DH |
1694 | for (i = 0; i < AU0828_MAX_INPUT; i++) { |
1695 | if (AUVI_INPUT(i).audio_setup == NULL) | |
1696 | continue; | |
1697 | (AUVI_INPUT(i).audio_setup)(dev, 0); | |
1698 | } | |
8b2f0795 | 1699 | |
7f8eacd2 DH |
1700 | videobuf_streamoff(&fh->vb_vidq); |
1701 | res_free(fh, AU0828_RESOURCE_VIDEO); | |
1702 | } else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { | |
78ca5005 DH |
1703 | dev->vbi_timeout_running = 0; |
1704 | del_timer_sync(&dev->vbi_timeout); | |
1705 | ||
7f8eacd2 DH |
1706 | videobuf_streamoff(&fh->vb_vbiq); |
1707 | res_free(fh, AU0828_RESOURCE_VBI); | |
1708 | } | |
8b2f0795 DH |
1709 | |
1710 | return 0; | |
1711 | } | |
1712 | ||
80c6e358 | 1713 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
8b2f0795 DH |
1714 | static int vidioc_g_register(struct file *file, void *priv, |
1715 | struct v4l2_dbg_register *reg) | |
1716 | { | |
1717 | struct au0828_fh *fh = priv; | |
1718 | struct au0828_dev *dev = fh->dev; | |
1719 | ||
1720 | switch (reg->match.type) { | |
1721 | case V4L2_CHIP_MATCH_I2C_DRIVER: | |
2689d3dc | 1722 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_register, reg); |
8b2f0795 DH |
1723 | return 0; |
1724 | default: | |
1725 | return -EINVAL; | |
1726 | } | |
1727 | } | |
1728 | ||
1729 | static int vidioc_s_register(struct file *file, void *priv, | |
1730 | struct v4l2_dbg_register *reg) | |
1731 | { | |
1732 | struct au0828_fh *fh = priv; | |
1733 | struct au0828_dev *dev = fh->dev; | |
1734 | ||
1735 | switch (reg->match.type) { | |
1736 | case V4L2_CHIP_MATCH_I2C_DRIVER: | |
2689d3dc | 1737 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_register, reg); |
8b2f0795 DH |
1738 | return 0; |
1739 | default: | |
1740 | return -EINVAL; | |
1741 | } | |
1742 | return 0; | |
1743 | } | |
80c6e358 | 1744 | #endif |
8b2f0795 DH |
1745 | |
1746 | static int vidioc_reqbufs(struct file *file, void *priv, | |
1747 | struct v4l2_requestbuffers *rb) | |
1748 | { | |
1749 | struct au0828_fh *fh = priv; | |
1750 | struct au0828_dev *dev = fh->dev; | |
1751 | int rc; | |
1752 | ||
1753 | rc = check_dev(dev); | |
1754 | if (rc < 0) | |
1755 | return rc; | |
1756 | ||
54ebb8b8 DH |
1757 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1758 | rc = videobuf_reqbufs(&fh->vb_vidq, rb); | |
1759 | else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) | |
1760 | rc = videobuf_reqbufs(&fh->vb_vbiq, rb); | |
1761 | ||
1762 | return rc; | |
8b2f0795 DH |
1763 | } |
1764 | ||
1765 | static int vidioc_querybuf(struct file *file, void *priv, | |
1766 | struct v4l2_buffer *b) | |
1767 | { | |
1768 | struct au0828_fh *fh = priv; | |
1769 | struct au0828_dev *dev = fh->dev; | |
1770 | int rc; | |
1771 | ||
1772 | rc = check_dev(dev); | |
1773 | if (rc < 0) | |
1774 | return rc; | |
1775 | ||
54ebb8b8 DH |
1776 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1777 | rc = videobuf_querybuf(&fh->vb_vidq, b); | |
1778 | else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) | |
1779 | rc = videobuf_querybuf(&fh->vb_vbiq, b); | |
1780 | ||
1781 | return rc; | |
8b2f0795 DH |
1782 | } |
1783 | ||
1784 | static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b) | |
1785 | { | |
1786 | struct au0828_fh *fh = priv; | |
1787 | struct au0828_dev *dev = fh->dev; | |
1788 | int rc; | |
1789 | ||
1790 | rc = check_dev(dev); | |
1791 | if (rc < 0) | |
1792 | return rc; | |
1793 | ||
54ebb8b8 DH |
1794 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1795 | rc = videobuf_qbuf(&fh->vb_vidq, b); | |
1796 | else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) | |
1797 | rc = videobuf_qbuf(&fh->vb_vbiq, b); | |
1798 | ||
1799 | return rc; | |
8b2f0795 DH |
1800 | } |
1801 | ||
1802 | static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) | |
1803 | { | |
1804 | struct au0828_fh *fh = priv; | |
1805 | struct au0828_dev *dev = fh->dev; | |
1806 | int rc; | |
1807 | ||
1808 | rc = check_dev(dev); | |
1809 | if (rc < 0) | |
1810 | return rc; | |
1811 | ||
1812 | /* Workaround for a bug in the au0828 hardware design that sometimes | |
1813 | results in the colorspace being inverted */ | |
1814 | if (dev->greenscreen_detected == 1) { | |
1815 | dprintk(1, "Detected green frame. Resetting stream...\n"); | |
1816 | au0828_analog_stream_reset(dev); | |
1817 | dev->greenscreen_detected = 0; | |
1818 | } | |
1819 | ||
54ebb8b8 DH |
1820 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1821 | rc = videobuf_dqbuf(&fh->vb_vidq, b, file->f_flags & O_NONBLOCK); | |
1822 | else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) | |
1823 | rc = videobuf_dqbuf(&fh->vb_vbiq, b, file->f_flags & O_NONBLOCK); | |
1824 | ||
1825 | return rc; | |
8b2f0795 DH |
1826 | } |
1827 | ||
8b2f0795 DH |
1828 | static struct v4l2_file_operations au0828_v4l_fops = { |
1829 | .owner = THIS_MODULE, | |
1830 | .open = au0828_v4l2_open, | |
1831 | .release = au0828_v4l2_close, | |
1832 | .read = au0828_v4l2_read, | |
1833 | .poll = au0828_v4l2_poll, | |
1834 | .mmap = au0828_v4l2_mmap, | |
1835 | .ioctl = video_ioctl2, | |
1836 | }; | |
1837 | ||
1838 | static const struct v4l2_ioctl_ops video_ioctl_ops = { | |
1839 | .vidioc_querycap = vidioc_querycap, | |
1840 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, | |
1841 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
1842 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, | |
1843 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, | |
5a5a4e16 | 1844 | .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, |
7f8eacd2 | 1845 | .vidioc_s_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, |
8b2f0795 DH |
1846 | .vidioc_g_audio = vidioc_g_audio, |
1847 | .vidioc_s_audio = vidioc_s_audio, | |
1848 | .vidioc_cropcap = vidioc_cropcap, | |
8b2f0795 DH |
1849 | .vidioc_reqbufs = vidioc_reqbufs, |
1850 | .vidioc_querybuf = vidioc_querybuf, | |
1851 | .vidioc_qbuf = vidioc_qbuf, | |
1852 | .vidioc_dqbuf = vidioc_dqbuf, | |
1853 | .vidioc_s_std = vidioc_s_std, | |
1854 | .vidioc_enum_input = vidioc_enum_input, | |
1855 | .vidioc_g_input = vidioc_g_input, | |
1856 | .vidioc_s_input = vidioc_s_input, | |
1857 | .vidioc_queryctrl = vidioc_queryctrl, | |
1858 | .vidioc_g_ctrl = vidioc_g_ctrl, | |
1859 | .vidioc_s_ctrl = vidioc_s_ctrl, | |
1860 | .vidioc_streamon = vidioc_streamon, | |
1861 | .vidioc_streamoff = vidioc_streamoff, | |
1862 | .vidioc_g_tuner = vidioc_g_tuner, | |
1863 | .vidioc_s_tuner = vidioc_s_tuner, | |
1864 | .vidioc_g_frequency = vidioc_g_frequency, | |
1865 | .vidioc_s_frequency = vidioc_s_frequency, | |
1866 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
1867 | .vidioc_g_register = vidioc_g_register, | |
1868 | .vidioc_s_register = vidioc_s_register, | |
8b2f0795 | 1869 | #endif |
80c6e358 | 1870 | .vidioc_g_chip_ident = vidioc_g_chip_ident, |
8b2f0795 DH |
1871 | }; |
1872 | ||
1873 | static const struct video_device au0828_video_template = { | |
1874 | .fops = &au0828_v4l_fops, | |
1875 | .release = video_device_release, | |
1876 | .ioctl_ops = &video_ioctl_ops, | |
0ef21071 DH |
1877 | .tvnorms = V4L2_STD_NTSC_M, |
1878 | .current_norm = V4L2_STD_NTSC_M, | |
8b2f0795 DH |
1879 | }; |
1880 | ||
1881 | /**************************************************************************/ | |
1882 | ||
fc4ce6cd DH |
1883 | int au0828_analog_register(struct au0828_dev *dev, |
1884 | struct usb_interface *interface) | |
8b2f0795 DH |
1885 | { |
1886 | int retval = -ENOMEM; | |
fc4ce6cd DH |
1887 | struct usb_host_interface *iface_desc; |
1888 | struct usb_endpoint_descriptor *endpoint; | |
1889 | int i; | |
8b2f0795 DH |
1890 | |
1891 | dprintk(1, "au0828_analog_register called!\n"); | |
1892 | ||
fc4ce6cd DH |
1893 | /* set au0828 usb interface0 to as5 */ |
1894 | retval = usb_set_interface(dev->usbdev, | |
62899a28 | 1895 | interface->cur_altsetting->desc.bInterfaceNumber, 5); |
fc4ce6cd | 1896 | if (retval != 0) { |
62899a28 | 1897 | printk(KERN_INFO "Failure setting usb interface0 to as5\n"); |
fc4ce6cd DH |
1898 | return retval; |
1899 | } | |
1900 | ||
1901 | /* Figure out which endpoint has the isoc interface */ | |
1902 | iface_desc = interface->cur_altsetting; | |
62899a28 | 1903 | for (i = 0; i < iface_desc->desc.bNumEndpoints; i++) { |
fc4ce6cd | 1904 | endpoint = &iface_desc->endpoint[i].desc; |
62899a28 DH |
1905 | if (((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) |
1906 | == USB_DIR_IN) && | |
1907 | ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) | |
1908 | == USB_ENDPOINT_XFER_ISOC)) { | |
fc4ce6cd DH |
1909 | |
1910 | /* we find our isoc in endpoint */ | |
1911 | u16 tmp = le16_to_cpu(endpoint->wMaxPacketSize); | |
62899a28 DH |
1912 | dev->max_pkt_size = (tmp & 0x07ff) * |
1913 | (((tmp & 0x1800) >> 11) + 1); | |
fc4ce6cd DH |
1914 | dev->isoc_in_endpointaddr = endpoint->bEndpointAddress; |
1915 | } | |
1916 | } | |
62899a28 DH |
1917 | if (!(dev->isoc_in_endpointaddr)) { |
1918 | printk(KERN_INFO "Could not locate isoc endpoint\n"); | |
fc4ce6cd DH |
1919 | kfree(dev); |
1920 | return -ENODEV; | |
1921 | } | |
1922 | ||
8b2f0795 DH |
1923 | init_waitqueue_head(&dev->open); |
1924 | spin_lock_init(&dev->slock); | |
1925 | mutex_init(&dev->lock); | |
1926 | ||
7f8eacd2 | 1927 | /* init video dma queues */ |
8b2f0795 DH |
1928 | INIT_LIST_HEAD(&dev->vidq.active); |
1929 | INIT_LIST_HEAD(&dev->vidq.queued); | |
7f8eacd2 DH |
1930 | INIT_LIST_HEAD(&dev->vbiq.active); |
1931 | INIT_LIST_HEAD(&dev->vbiq.queued); | |
8b2f0795 | 1932 | |
78ca5005 DH |
1933 | dev->vid_timeout.function = au0828_vid_buffer_timeout; |
1934 | dev->vid_timeout.data = (unsigned long) dev; | |
1935 | init_timer(&dev->vid_timeout); | |
1936 | ||
1937 | dev->vbi_timeout.function = au0828_vbi_buffer_timeout; | |
1938 | dev->vbi_timeout.data = (unsigned long) dev; | |
1939 | init_timer(&dev->vbi_timeout); | |
1940 | ||
8b2f0795 DH |
1941 | dev->width = NTSC_STD_W; |
1942 | dev->height = NTSC_STD_H; | |
1943 | dev->field_size = dev->width * dev->height; | |
1944 | dev->frame_size = dev->field_size << 1; | |
1945 | dev->bytesperline = dev->width << 1; | |
1946 | dev->ctrl_ainput = 0; | |
1947 | ||
1948 | /* allocate and fill v4l2 video struct */ | |
1949 | dev->vdev = video_device_alloc(); | |
62899a28 | 1950 | if (NULL == dev->vdev) { |
8b2f0795 DH |
1951 | dprintk(1, "Can't allocate video_device.\n"); |
1952 | return -ENOMEM; | |
1953 | } | |
1954 | ||
7f8eacd2 | 1955 | /* allocate the VBI struct */ |
8b2f0795 | 1956 | dev->vbi_dev = video_device_alloc(); |
62899a28 | 1957 | if (NULL == dev->vbi_dev) { |
8b2f0795 DH |
1958 | dprintk(1, "Can't allocate vbi_device.\n"); |
1959 | kfree(dev->vdev); | |
1960 | return -ENOMEM; | |
1961 | } | |
1962 | ||
1963 | /* Fill the video capture device struct */ | |
1964 | *dev->vdev = au0828_video_template; | |
8b2f0795 DH |
1965 | dev->vdev->parent = &dev->usbdev->dev; |
1966 | strcpy(dev->vdev->name, "au0828a video"); | |
1967 | ||
1968 | /* Setup the VBI device */ | |
1969 | *dev->vbi_dev = au0828_video_template; | |
8b2f0795 DH |
1970 | dev->vbi_dev->parent = &dev->usbdev->dev; |
1971 | strcpy(dev->vbi_dev->name, "au0828a vbi"); | |
1972 | ||
8b2f0795 | 1973 | /* Register the v4l2 device */ |
63b0d5ad | 1974 | video_set_drvdata(dev->vdev, dev); |
62899a28 DH |
1975 | retval = video_register_device(dev->vdev, VFL_TYPE_GRABBER, -1); |
1976 | if (retval != 0) { | |
1977 | dprintk(1, "unable to register video device (error = %d).\n", | |
1978 | retval); | |
8b2f0795 DH |
1979 | video_device_release(dev->vdev); |
1980 | return -ENODEV; | |
1981 | } | |
1982 | ||
1983 | /* Register the vbi device */ | |
63b0d5ad | 1984 | video_set_drvdata(dev->vbi_dev, dev); |
62899a28 DH |
1985 | retval = video_register_device(dev->vbi_dev, VFL_TYPE_VBI, -1); |
1986 | if (retval != 0) { | |
1987 | dprintk(1, "unable to register vbi device (error = %d).\n", | |
1988 | retval); | |
8b2f0795 DH |
1989 | video_device_release(dev->vbi_dev); |
1990 | video_device_release(dev->vdev); | |
1991 | return -ENODEV; | |
1992 | } | |
1993 | ||
62899a28 | 1994 | dprintk(1, "%s completed!\n", __func__); |
8b2f0795 DH |
1995 | |
1996 | return 0; | |
1997 | } | |
1998 |