Commit | Line | Data |
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8b2f0795 DH |
1 | /* |
2 | * Auvitek AU0828 USB Bridge (Analog video support) | |
3 | * | |
4 | * Copyright (C) 2009 Devin Heitmueller <dheitmueller@linuxtv.org> | |
5 | * Copyright (C) 2005-2008 Auvitek International, Ltd. | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU General Public License | |
9 | * As published by the Free Software Foundation; either version 2 | |
10 | * of the License, or (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | |
20 | * 02110-1301, USA. | |
21 | */ | |
22 | ||
23 | /* Developer Notes: | |
24 | * | |
25 | * VBI support is not yet working | |
26 | * The hardware scaler supported is unimplemented | |
27 | * AC97 audio support is unimplemented (only i2s audio mode) | |
28 | * | |
29 | */ | |
30 | ||
31 | #include <linux/module.h> | |
5a0e3ad6 | 32 | #include <linux/slab.h> |
8b2f0795 DH |
33 | #include <linux/init.h> |
34 | #include <linux/device.h> | |
35 | #include <linux/suspend.h> | |
8b2f0795 DH |
36 | #include <media/v4l2-common.h> |
37 | #include <media/v4l2-ioctl.h> | |
38 | #include <media/v4l2-chip-ident.h> | |
39 | #include <media/tuner.h> | |
40 | #include "au0828.h" | |
41 | #include "au0828-reg.h" | |
42 | ||
8b2f0795 DH |
43 | static DEFINE_MUTEX(au0828_sysfs_lock); |
44 | ||
8b2f0795 DH |
45 | /* ------------------------------------------------------------------ |
46 | Videobuf operations | |
47 | ------------------------------------------------------------------*/ | |
48 | ||
49 | static unsigned int isoc_debug; | |
50 | module_param(isoc_debug, int, 0644); | |
51 | MODULE_PARM_DESC(isoc_debug, "enable debug messages [isoc transfers]"); | |
52 | ||
53 | #define au0828_isocdbg(fmt, arg...) \ | |
54 | do {\ | |
55 | if (isoc_debug) { \ | |
56 | printk(KERN_INFO "au0828 %s :"fmt, \ | |
57 | __func__ , ##arg); \ | |
58 | } \ | |
59 | } while (0) | |
60 | ||
61 | static inline void print_err_status(struct au0828_dev *dev, | |
62 | int packet, int status) | |
63 | { | |
64 | char *errmsg = "Unknown"; | |
65 | ||
66 | switch (status) { | |
67 | case -ENOENT: | |
68 | errmsg = "unlinked synchronuously"; | |
69 | break; | |
70 | case -ECONNRESET: | |
71 | errmsg = "unlinked asynchronuously"; | |
72 | break; | |
73 | case -ENOSR: | |
74 | errmsg = "Buffer error (overrun)"; | |
75 | break; | |
76 | case -EPIPE: | |
77 | errmsg = "Stalled (device not responding)"; | |
78 | break; | |
79 | case -EOVERFLOW: | |
80 | errmsg = "Babble (bad cable?)"; | |
81 | break; | |
82 | case -EPROTO: | |
83 | errmsg = "Bit-stuff error (bad cable?)"; | |
84 | break; | |
85 | case -EILSEQ: | |
86 | errmsg = "CRC/Timeout (could be anything)"; | |
87 | break; | |
88 | case -ETIME: | |
89 | errmsg = "Device does not respond"; | |
90 | break; | |
91 | } | |
92 | if (packet < 0) { | |
93 | au0828_isocdbg("URB status %d [%s].\n", status, errmsg); | |
94 | } else { | |
95 | au0828_isocdbg("URB packet %d, status %d [%s].\n", | |
96 | packet, status, errmsg); | |
97 | } | |
98 | } | |
99 | ||
100 | static int check_dev(struct au0828_dev *dev) | |
101 | { | |
102 | if (dev->dev_state & DEV_DISCONNECTED) { | |
62899a28 | 103 | printk(KERN_INFO "v4l2 ioctl: device not present\n"); |
8b2f0795 DH |
104 | return -ENODEV; |
105 | } | |
106 | ||
107 | if (dev->dev_state & DEV_MISCONFIGURED) { | |
62899a28 | 108 | printk(KERN_INFO "v4l2 ioctl: device is misconfigured; " |
8b2f0795 DH |
109 | "close and open it again\n"); |
110 | return -EIO; | |
111 | } | |
112 | return 0; | |
113 | } | |
114 | ||
115 | /* | |
116 | * IRQ callback, called by URB callback | |
117 | */ | |
118 | static void au0828_irq_callback(struct urb *urb) | |
119 | { | |
120 | struct au0828_dmaqueue *dma_q = urb->context; | |
121 | struct au0828_dev *dev = container_of(dma_q, struct au0828_dev, vidq); | |
78ca5005 | 122 | unsigned long flags = 0; |
8b2f0795 DH |
123 | int rc, i; |
124 | ||
125 | switch (urb->status) { | |
126 | case 0: /* success */ | |
127 | case -ETIMEDOUT: /* NAK */ | |
128 | break; | |
129 | case -ECONNRESET: /* kill */ | |
130 | case -ENOENT: | |
131 | case -ESHUTDOWN: | |
132 | au0828_isocdbg("au0828_irq_callback called: status kill\n"); | |
133 | return; | |
134 | default: /* unknown error */ | |
135 | au0828_isocdbg("urb completition error %d.\n", urb->status); | |
136 | break; | |
137 | } | |
138 | ||
139 | /* Copy data from URB */ | |
78ca5005 | 140 | spin_lock_irqsave(&dev->slock, flags); |
8b2f0795 | 141 | rc = dev->isoc_ctl.isoc_copy(dev, urb); |
78ca5005 | 142 | spin_unlock_irqrestore(&dev->slock, flags); |
8b2f0795 DH |
143 | |
144 | /* Reset urb buffers */ | |
145 | for (i = 0; i < urb->number_of_packets; i++) { | |
146 | urb->iso_frame_desc[i].status = 0; | |
147 | urb->iso_frame_desc[i].actual_length = 0; | |
148 | } | |
149 | urb->status = 0; | |
150 | ||
151 | urb->status = usb_submit_urb(urb, GFP_ATOMIC); | |
152 | if (urb->status) { | |
153 | au0828_isocdbg("urb resubmit failed (error=%i)\n", | |
154 | urb->status); | |
155 | } | |
156 | } | |
157 | ||
158 | /* | |
159 | * Stop and Deallocate URBs | |
160 | */ | |
161 | void au0828_uninit_isoc(struct au0828_dev *dev) | |
162 | { | |
163 | struct urb *urb; | |
164 | int i; | |
165 | ||
166 | au0828_isocdbg("au0828: called au0828_uninit_isoc\n"); | |
167 | ||
168 | dev->isoc_ctl.nfields = -1; | |
169 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
170 | urb = dev->isoc_ctl.urb[i]; | |
171 | if (urb) { | |
172 | if (!irqs_disabled()) | |
173 | usb_kill_urb(urb); | |
174 | else | |
175 | usb_unlink_urb(urb); | |
176 | ||
177 | if (dev->isoc_ctl.transfer_buffer[i]) { | |
997ea58e | 178 | usb_free_coherent(dev->usbdev, |
8b2f0795 DH |
179 | urb->transfer_buffer_length, |
180 | dev->isoc_ctl.transfer_buffer[i], | |
181 | urb->transfer_dma); | |
182 | } | |
183 | usb_free_urb(urb); | |
184 | dev->isoc_ctl.urb[i] = NULL; | |
185 | } | |
186 | dev->isoc_ctl.transfer_buffer[i] = NULL; | |
187 | } | |
188 | ||
189 | kfree(dev->isoc_ctl.urb); | |
190 | kfree(dev->isoc_ctl.transfer_buffer); | |
191 | ||
192 | dev->isoc_ctl.urb = NULL; | |
193 | dev->isoc_ctl.transfer_buffer = NULL; | |
194 | dev->isoc_ctl.num_bufs = 0; | |
195 | } | |
196 | ||
197 | /* | |
198 | * Allocate URBs and start IRQ | |
199 | */ | |
200 | int au0828_init_isoc(struct au0828_dev *dev, int max_packets, | |
201 | int num_bufs, int max_pkt_size, | |
202 | int (*isoc_copy) (struct au0828_dev *dev, struct urb *urb)) | |
203 | { | |
204 | struct au0828_dmaqueue *dma_q = &dev->vidq; | |
205 | int i; | |
206 | int sb_size, pipe; | |
207 | struct urb *urb; | |
208 | int j, k; | |
209 | int rc; | |
210 | ||
211 | au0828_isocdbg("au0828: called au0828_prepare_isoc\n"); | |
212 | ||
213 | /* De-allocates all pending stuff */ | |
214 | au0828_uninit_isoc(dev); | |
215 | ||
216 | dev->isoc_ctl.isoc_copy = isoc_copy; | |
217 | dev->isoc_ctl.num_bufs = num_bufs; | |
218 | ||
219 | dev->isoc_ctl.urb = kzalloc(sizeof(void *)*num_bufs, GFP_KERNEL); | |
220 | if (!dev->isoc_ctl.urb) { | |
221 | au0828_isocdbg("cannot alloc memory for usb buffers\n"); | |
222 | return -ENOMEM; | |
223 | } | |
224 | ||
225 | dev->isoc_ctl.transfer_buffer = kzalloc(sizeof(void *)*num_bufs, | |
226 | GFP_KERNEL); | |
227 | if (!dev->isoc_ctl.transfer_buffer) { | |
228 | au0828_isocdbg("cannot allocate memory for usb transfer\n"); | |
229 | kfree(dev->isoc_ctl.urb); | |
230 | return -ENOMEM; | |
231 | } | |
232 | ||
233 | dev->isoc_ctl.max_pkt_size = max_pkt_size; | |
234 | dev->isoc_ctl.buf = NULL; | |
235 | ||
236 | sb_size = max_packets * dev->isoc_ctl.max_pkt_size; | |
237 | ||
238 | /* allocate urbs and transfer buffers */ | |
239 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
240 | urb = usb_alloc_urb(max_packets, GFP_KERNEL); | |
241 | if (!urb) { | |
242 | au0828_isocdbg("cannot alloc isoc_ctl.urb %i\n", i); | |
243 | au0828_uninit_isoc(dev); | |
244 | return -ENOMEM; | |
245 | } | |
246 | dev->isoc_ctl.urb[i] = urb; | |
247 | ||
997ea58e | 248 | dev->isoc_ctl.transfer_buffer[i] = usb_alloc_coherent(dev->usbdev, |
8b2f0795 DH |
249 | sb_size, GFP_KERNEL, &urb->transfer_dma); |
250 | if (!dev->isoc_ctl.transfer_buffer[i]) { | |
251 | printk("unable to allocate %i bytes for transfer" | |
252 | " buffer %i%s\n", | |
253 | sb_size, i, | |
254 | in_interrupt() ? " while in int" : ""); | |
255 | au0828_uninit_isoc(dev); | |
256 | return -ENOMEM; | |
257 | } | |
258 | memset(dev->isoc_ctl.transfer_buffer[i], 0, sb_size); | |
259 | ||
260 | pipe = usb_rcvisocpipe(dev->usbdev, | |
261 | dev->isoc_in_endpointaddr), | |
262 | ||
263 | usb_fill_int_urb(urb, dev->usbdev, pipe, | |
264 | dev->isoc_ctl.transfer_buffer[i], sb_size, | |
265 | au0828_irq_callback, dma_q, 1); | |
266 | ||
267 | urb->number_of_packets = max_packets; | |
fadadb7d | 268 | urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; |
8b2f0795 DH |
269 | |
270 | k = 0; | |
271 | for (j = 0; j < max_packets; j++) { | |
272 | urb->iso_frame_desc[j].offset = k; | |
273 | urb->iso_frame_desc[j].length = | |
274 | dev->isoc_ctl.max_pkt_size; | |
275 | k += dev->isoc_ctl.max_pkt_size; | |
276 | } | |
277 | } | |
278 | ||
279 | init_waitqueue_head(&dma_q->wq); | |
280 | ||
281 | /* submit urbs and enables IRQ */ | |
282 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
283 | rc = usb_submit_urb(dev->isoc_ctl.urb[i], GFP_ATOMIC); | |
284 | if (rc) { | |
285 | au0828_isocdbg("submit of urb %i failed (error=%i)\n", | |
286 | i, rc); | |
287 | au0828_uninit_isoc(dev); | |
288 | return rc; | |
289 | } | |
290 | } | |
291 | ||
292 | return 0; | |
293 | } | |
294 | ||
295 | /* | |
296 | * Announces that a buffer were filled and request the next | |
297 | */ | |
298 | static inline void buffer_filled(struct au0828_dev *dev, | |
299 | struct au0828_dmaqueue *dma_q, | |
300 | struct au0828_buffer *buf) | |
301 | { | |
302 | /* Advice that buffer was filled */ | |
303 | au0828_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i); | |
304 | ||
305 | buf->vb.state = VIDEOBUF_DONE; | |
306 | buf->vb.field_count++; | |
307 | do_gettimeofday(&buf->vb.ts); | |
308 | ||
309 | dev->isoc_ctl.buf = NULL; | |
310 | ||
311 | list_del(&buf->vb.queue); | |
312 | wake_up(&buf->vb.done); | |
313 | } | |
314 | ||
7f8eacd2 DH |
315 | static inline void vbi_buffer_filled(struct au0828_dev *dev, |
316 | struct au0828_dmaqueue *dma_q, | |
317 | struct au0828_buffer *buf) | |
318 | { | |
319 | /* Advice that buffer was filled */ | |
320 | au0828_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i); | |
321 | ||
322 | buf->vb.state = VIDEOBUF_DONE; | |
323 | buf->vb.field_count++; | |
324 | do_gettimeofday(&buf->vb.ts); | |
325 | ||
326 | dev->isoc_ctl.vbi_buf = NULL; | |
327 | ||
328 | list_del(&buf->vb.queue); | |
329 | wake_up(&buf->vb.done); | |
330 | } | |
331 | ||
8b2f0795 DH |
332 | /* |
333 | * Identify the buffer header type and properly handles | |
334 | */ | |
335 | static void au0828_copy_video(struct au0828_dev *dev, | |
336 | struct au0828_dmaqueue *dma_q, | |
337 | struct au0828_buffer *buf, | |
338 | unsigned char *p, | |
339 | unsigned char *outp, unsigned long len) | |
340 | { | |
341 | void *fieldstart, *startwrite, *startread; | |
342 | int linesdone, currlinedone, offset, lencopy, remain; | |
343 | int bytesperline = dev->width << 1; /* Assumes 16-bit depth @@@@ */ | |
344 | ||
7f8eacd2 DH |
345 | if (len == 0) |
346 | return; | |
347 | ||
8b2f0795 DH |
348 | if (dma_q->pos + len > buf->vb.size) |
349 | len = buf->vb.size - dma_q->pos; | |
350 | ||
351 | startread = p; | |
352 | remain = len; | |
353 | ||
354 | /* Interlaces frame */ | |
355 | if (buf->top_field) | |
356 | fieldstart = outp; | |
357 | else | |
358 | fieldstart = outp + bytesperline; | |
359 | ||
360 | linesdone = dma_q->pos / bytesperline; | |
361 | currlinedone = dma_q->pos % bytesperline; | |
362 | offset = linesdone * bytesperline * 2 + currlinedone; | |
363 | startwrite = fieldstart + offset; | |
364 | lencopy = bytesperline - currlinedone; | |
365 | lencopy = lencopy > remain ? remain : lencopy; | |
366 | ||
367 | if ((char *)startwrite + lencopy > (char *)outp + buf->vb.size) { | |
368 | au0828_isocdbg("Overflow of %zi bytes past buffer end (1)\n", | |
369 | ((char *)startwrite + lencopy) - | |
370 | ((char *)outp + buf->vb.size)); | |
371 | remain = (char *)outp + buf->vb.size - (char *)startwrite; | |
372 | lencopy = remain; | |
373 | } | |
374 | if (lencopy <= 0) | |
375 | return; | |
376 | memcpy(startwrite, startread, lencopy); | |
377 | ||
378 | remain -= lencopy; | |
379 | ||
380 | while (remain > 0) { | |
381 | startwrite += lencopy + bytesperline; | |
382 | startread += lencopy; | |
383 | if (bytesperline > remain) | |
384 | lencopy = remain; | |
385 | else | |
386 | lencopy = bytesperline; | |
387 | ||
388 | if ((char *)startwrite + lencopy > (char *)outp + | |
389 | buf->vb.size) { | |
62899a28 | 390 | au0828_isocdbg("Overflow %zi bytes past buf end (2)\n", |
8b2f0795 DH |
391 | ((char *)startwrite + lencopy) - |
392 | ((char *)outp + buf->vb.size)); | |
393 | lencopy = remain = (char *)outp + buf->vb.size - | |
394 | (char *)startwrite; | |
395 | } | |
396 | if (lencopy <= 0) | |
397 | break; | |
398 | ||
399 | memcpy(startwrite, startread, lencopy); | |
400 | ||
401 | remain -= lencopy; | |
402 | } | |
403 | ||
404 | if (offset > 1440) { | |
405 | /* We have enough data to check for greenscreen */ | |
62899a28 | 406 | if (outp[0] < 0x60 && outp[1440] < 0x60) |
8b2f0795 | 407 | dev->greenscreen_detected = 1; |
8b2f0795 DH |
408 | } |
409 | ||
410 | dma_q->pos += len; | |
411 | } | |
412 | ||
413 | /* | |
414 | * video-buf generic routine to get the next available buffer | |
415 | */ | |
416 | static inline void get_next_buf(struct au0828_dmaqueue *dma_q, | |
417 | struct au0828_buffer **buf) | |
418 | { | |
419 | struct au0828_dev *dev = container_of(dma_q, struct au0828_dev, vidq); | |
420 | ||
421 | if (list_empty(&dma_q->active)) { | |
422 | au0828_isocdbg("No active queue to serve\n"); | |
423 | dev->isoc_ctl.buf = NULL; | |
424 | *buf = NULL; | |
425 | return; | |
426 | } | |
427 | ||
428 | /* Get the next buffer */ | |
429 | *buf = list_entry(dma_q->active.next, struct au0828_buffer, vb.queue); | |
430 | dev->isoc_ctl.buf = *buf; | |
431 | ||
432 | return; | |
433 | } | |
434 | ||
7f8eacd2 DH |
435 | static void au0828_copy_vbi(struct au0828_dev *dev, |
436 | struct au0828_dmaqueue *dma_q, | |
437 | struct au0828_buffer *buf, | |
438 | unsigned char *p, | |
439 | unsigned char *outp, unsigned long len) | |
440 | { | |
441 | unsigned char *startwrite, *startread; | |
b5f5933a | 442 | int bytesperline; |
7f8eacd2 DH |
443 | int i, j = 0; |
444 | ||
445 | if (dev == NULL) { | |
446 | au0828_isocdbg("dev is null\n"); | |
447 | return; | |
448 | } | |
449 | ||
450 | if (dma_q == NULL) { | |
451 | au0828_isocdbg("dma_q is null\n"); | |
452 | return; | |
453 | } | |
454 | if (buf == NULL) | |
455 | return; | |
456 | if (p == NULL) { | |
457 | au0828_isocdbg("p is null\n"); | |
458 | return; | |
459 | } | |
460 | if (outp == NULL) { | |
461 | au0828_isocdbg("outp is null\n"); | |
462 | return; | |
463 | } | |
464 | ||
b5f5933a DC |
465 | bytesperline = dev->vbi_width; |
466 | ||
7f8eacd2 DH |
467 | if (dma_q->pos + len > buf->vb.size) |
468 | len = buf->vb.size - dma_q->pos; | |
469 | ||
470 | startread = p; | |
471 | startwrite = outp + (dma_q->pos / 2); | |
472 | ||
473 | /* Make sure the bottom field populates the second half of the frame */ | |
474 | if (buf->top_field == 0) | |
475 | startwrite += bytesperline * dev->vbi_height; | |
476 | ||
477 | for (i = 0; i < len; i += 2) | |
478 | startwrite[j++] = startread[i+1]; | |
479 | ||
480 | dma_q->pos += len; | |
481 | } | |
482 | ||
483 | ||
484 | /* | |
485 | * video-buf generic routine to get the next available VBI buffer | |
486 | */ | |
487 | static inline void vbi_get_next_buf(struct au0828_dmaqueue *dma_q, | |
488 | struct au0828_buffer **buf) | |
489 | { | |
490 | struct au0828_dev *dev = container_of(dma_q, struct au0828_dev, vbiq); | |
491 | char *outp; | |
492 | ||
493 | if (list_empty(&dma_q->active)) { | |
494 | au0828_isocdbg("No active queue to serve\n"); | |
495 | dev->isoc_ctl.vbi_buf = NULL; | |
496 | *buf = NULL; | |
497 | return; | |
498 | } | |
499 | ||
500 | /* Get the next buffer */ | |
501 | *buf = list_entry(dma_q->active.next, struct au0828_buffer, vb.queue); | |
25985edc | 502 | /* Cleans up buffer - Useful for testing for frame/URB loss */ |
7f8eacd2 DH |
503 | outp = videobuf_to_vmalloc(&(*buf)->vb); |
504 | memset(outp, 0x00, (*buf)->vb.size); | |
505 | ||
506 | dev->isoc_ctl.vbi_buf = *buf; | |
507 | ||
508 | return; | |
509 | } | |
510 | ||
8b2f0795 DH |
511 | /* |
512 | * Controls the isoc copy of each urb packet | |
513 | */ | |
514 | static inline int au0828_isoc_copy(struct au0828_dev *dev, struct urb *urb) | |
515 | { | |
516 | struct au0828_buffer *buf; | |
7f8eacd2 | 517 | struct au0828_buffer *vbi_buf; |
8b2f0795 | 518 | struct au0828_dmaqueue *dma_q = urb->context; |
7f8eacd2 | 519 | struct au0828_dmaqueue *vbi_dma_q = &dev->vbiq; |
8b2f0795 | 520 | unsigned char *outp = NULL; |
7f8eacd2 | 521 | unsigned char *vbioutp = NULL; |
8b2f0795 DH |
522 | int i, len = 0, rc = 1; |
523 | unsigned char *p; | |
524 | unsigned char fbyte; | |
7f8eacd2 DH |
525 | unsigned int vbi_field_size; |
526 | unsigned int remain, lencopy; | |
8b2f0795 DH |
527 | |
528 | if (!dev) | |
529 | return 0; | |
530 | ||
531 | if ((dev->dev_state & DEV_DISCONNECTED) || | |
532 | (dev->dev_state & DEV_MISCONFIGURED)) | |
533 | return 0; | |
534 | ||
535 | if (urb->status < 0) { | |
536 | print_err_status(dev, -1, urb->status); | |
537 | if (urb->status == -ENOENT) | |
538 | return 0; | |
539 | } | |
540 | ||
541 | buf = dev->isoc_ctl.buf; | |
542 | if (buf != NULL) | |
543 | outp = videobuf_to_vmalloc(&buf->vb); | |
544 | ||
7f8eacd2 DH |
545 | vbi_buf = dev->isoc_ctl.vbi_buf; |
546 | if (vbi_buf != NULL) | |
547 | vbioutp = videobuf_to_vmalloc(&vbi_buf->vb); | |
548 | ||
8b2f0795 DH |
549 | for (i = 0; i < urb->number_of_packets; i++) { |
550 | int status = urb->iso_frame_desc[i].status; | |
551 | ||
552 | if (status < 0) { | |
553 | print_err_status(dev, i, status); | |
554 | if (urb->iso_frame_desc[i].status != -EPROTO) | |
555 | continue; | |
556 | } | |
557 | ||
62899a28 | 558 | if (urb->iso_frame_desc[i].actual_length <= 0) |
8b2f0795 | 559 | continue; |
62899a28 | 560 | |
8b2f0795 DH |
561 | if (urb->iso_frame_desc[i].actual_length > |
562 | dev->max_pkt_size) { | |
563 | au0828_isocdbg("packet bigger than packet size"); | |
564 | continue; | |
565 | } | |
566 | ||
567 | p = urb->transfer_buffer + urb->iso_frame_desc[i].offset; | |
568 | fbyte = p[0]; | |
569 | len = urb->iso_frame_desc[i].actual_length - 4; | |
570 | p += 4; | |
571 | ||
572 | if (fbyte & 0x80) { | |
573 | len -= 4; | |
574 | p += 4; | |
575 | au0828_isocdbg("Video frame %s\n", | |
576 | (fbyte & 0x40) ? "odd" : "even"); | |
bde3bb9a | 577 | if (fbyte & 0x40) { |
7f8eacd2 DH |
578 | /* VBI */ |
579 | if (vbi_buf != NULL) | |
580 | vbi_buffer_filled(dev, | |
581 | vbi_dma_q, | |
582 | vbi_buf); | |
583 | vbi_get_next_buf(vbi_dma_q, &vbi_buf); | |
584 | if (vbi_buf == NULL) | |
585 | vbioutp = NULL; | |
586 | else | |
587 | vbioutp = videobuf_to_vmalloc( | |
588 | &vbi_buf->vb); | |
589 | ||
590 | /* Video */ | |
8b2f0795 DH |
591 | if (buf != NULL) |
592 | buffer_filled(dev, dma_q, buf); | |
593 | get_next_buf(dma_q, &buf); | |
62899a28 | 594 | if (buf == NULL) |
8b2f0795 | 595 | outp = NULL; |
62899a28 | 596 | else |
8b2f0795 | 597 | outp = videobuf_to_vmalloc(&buf->vb); |
78ca5005 DH |
598 | |
599 | /* As long as isoc traffic is arriving, keep | |
600 | resetting the timer */ | |
601 | if (dev->vid_timeout_running) | |
602 | mod_timer(&dev->vid_timeout, | |
603 | jiffies + (HZ / 10)); | |
604 | if (dev->vbi_timeout_running) | |
605 | mod_timer(&dev->vbi_timeout, | |
606 | jiffies + (HZ / 10)); | |
8b2f0795 DH |
607 | } |
608 | ||
609 | if (buf != NULL) { | |
62899a28 | 610 | if (fbyte & 0x40) |
8b2f0795 | 611 | buf->top_field = 1; |
62899a28 | 612 | else |
8b2f0795 | 613 | buf->top_field = 0; |
8b2f0795 DH |
614 | } |
615 | ||
7f8eacd2 DH |
616 | if (vbi_buf != NULL) { |
617 | if (fbyte & 0x40) | |
618 | vbi_buf->top_field = 1; | |
619 | else | |
620 | vbi_buf->top_field = 0; | |
621 | } | |
622 | ||
623 | dev->vbi_read = 0; | |
624 | vbi_dma_q->pos = 0; | |
8b2f0795 DH |
625 | dma_q->pos = 0; |
626 | } | |
7f8eacd2 DH |
627 | |
628 | vbi_field_size = dev->vbi_width * dev->vbi_height * 2; | |
629 | if (dev->vbi_read < vbi_field_size) { | |
630 | remain = vbi_field_size - dev->vbi_read; | |
631 | if (len < remain) | |
632 | lencopy = len; | |
633 | else | |
634 | lencopy = remain; | |
635 | ||
636 | if (vbi_buf != NULL) | |
637 | au0828_copy_vbi(dev, vbi_dma_q, vbi_buf, p, | |
638 | vbioutp, len); | |
639 | ||
640 | len -= lencopy; | |
641 | p += lencopy; | |
642 | dev->vbi_read += lencopy; | |
643 | } | |
644 | ||
645 | if (dev->vbi_read >= vbi_field_size && buf != NULL) | |
8b2f0795 | 646 | au0828_copy_video(dev, dma_q, buf, p, outp, len); |
8b2f0795 DH |
647 | } |
648 | return rc; | |
649 | } | |
650 | ||
651 | static int | |
652 | buffer_setup(struct videobuf_queue *vq, unsigned int *count, | |
653 | unsigned int *size) | |
654 | { | |
655 | struct au0828_fh *fh = vq->priv_data; | |
656 | *size = (fh->dev->width * fh->dev->height * 16 + 7) >> 3; | |
657 | ||
658 | if (0 == *count) | |
659 | *count = AU0828_DEF_BUF; | |
660 | ||
661 | if (*count < AU0828_MIN_BUF) | |
662 | *count = AU0828_MIN_BUF; | |
663 | return 0; | |
664 | } | |
665 | ||
666 | /* This is called *without* dev->slock held; please keep it that way */ | |
667 | static void free_buffer(struct videobuf_queue *vq, struct au0828_buffer *buf) | |
668 | { | |
669 | struct au0828_fh *fh = vq->priv_data; | |
670 | struct au0828_dev *dev = fh->dev; | |
671 | unsigned long flags = 0; | |
672 | if (in_interrupt()) | |
673 | BUG(); | |
674 | ||
675 | /* We used to wait for the buffer to finish here, but this didn't work | |
676 | because, as we were keeping the state as VIDEOBUF_QUEUED, | |
677 | videobuf_queue_cancel marked it as finished for us. | |
678 | (Also, it could wedge forever if the hardware was misconfigured.) | |
679 | ||
680 | This should be safe; by the time we get here, the buffer isn't | |
681 | queued anymore. If we ever start marking the buffers as | |
682 | VIDEOBUF_ACTIVE, it won't be, though. | |
683 | */ | |
684 | spin_lock_irqsave(&dev->slock, flags); | |
685 | if (dev->isoc_ctl.buf == buf) | |
686 | dev->isoc_ctl.buf = NULL; | |
687 | spin_unlock_irqrestore(&dev->slock, flags); | |
688 | ||
689 | videobuf_vmalloc_free(&buf->vb); | |
690 | buf->vb.state = VIDEOBUF_NEEDS_INIT; | |
691 | } | |
692 | ||
693 | static int | |
694 | buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, | |
695 | enum v4l2_field field) | |
696 | { | |
697 | struct au0828_fh *fh = vq->priv_data; | |
698 | struct au0828_buffer *buf = container_of(vb, struct au0828_buffer, vb); | |
699 | struct au0828_dev *dev = fh->dev; | |
700 | int rc = 0, urb_init = 0; | |
701 | ||
702 | buf->vb.size = (fh->dev->width * fh->dev->height * 16 + 7) >> 3; | |
703 | ||
704 | if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) | |
705 | return -EINVAL; | |
706 | ||
707 | buf->vb.width = dev->width; | |
708 | buf->vb.height = dev->height; | |
709 | buf->vb.field = field; | |
710 | ||
711 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { | |
712 | rc = videobuf_iolock(vq, &buf->vb, NULL); | |
713 | if (rc < 0) { | |
62899a28 | 714 | printk(KERN_INFO "videobuf_iolock failed\n"); |
8b2f0795 DH |
715 | goto fail; |
716 | } | |
717 | } | |
718 | ||
719 | if (!dev->isoc_ctl.num_bufs) | |
720 | urb_init = 1; | |
721 | ||
722 | if (urb_init) { | |
723 | rc = au0828_init_isoc(dev, AU0828_ISO_PACKETS_PER_URB, | |
724 | AU0828_MAX_ISO_BUFS, dev->max_pkt_size, | |
725 | au0828_isoc_copy); | |
726 | if (rc < 0) { | |
62899a28 | 727 | printk(KERN_INFO "au0828_init_isoc failed\n"); |
8b2f0795 DH |
728 | goto fail; |
729 | } | |
730 | } | |
731 | ||
732 | buf->vb.state = VIDEOBUF_PREPARED; | |
733 | return 0; | |
734 | ||
735 | fail: | |
736 | free_buffer(vq, buf); | |
737 | return rc; | |
738 | } | |
739 | ||
740 | static void | |
741 | buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) | |
742 | { | |
743 | struct au0828_buffer *buf = container_of(vb, | |
744 | struct au0828_buffer, | |
745 | vb); | |
746 | struct au0828_fh *fh = vq->priv_data; | |
747 | struct au0828_dev *dev = fh->dev; | |
748 | struct au0828_dmaqueue *vidq = &dev->vidq; | |
749 | ||
750 | buf->vb.state = VIDEOBUF_QUEUED; | |
751 | list_add_tail(&buf->vb.queue, &vidq->active); | |
752 | } | |
753 | ||
754 | static void buffer_release(struct videobuf_queue *vq, | |
755 | struct videobuf_buffer *vb) | |
756 | { | |
757 | struct au0828_buffer *buf = container_of(vb, | |
758 | struct au0828_buffer, | |
759 | vb); | |
760 | ||
761 | free_buffer(vq, buf); | |
762 | } | |
763 | ||
764 | static struct videobuf_queue_ops au0828_video_qops = { | |
765 | .buf_setup = buffer_setup, | |
766 | .buf_prepare = buffer_prepare, | |
767 | .buf_queue = buffer_queue, | |
768 | .buf_release = buffer_release, | |
769 | }; | |
770 | ||
771 | /* ------------------------------------------------------------------ | |
772 | V4L2 interface | |
773 | ------------------------------------------------------------------*/ | |
774 | ||
775 | static int au0828_i2s_init(struct au0828_dev *dev) | |
776 | { | |
777 | /* Enable i2s mode */ | |
778 | au0828_writereg(dev, AU0828_AUDIOCTRL_50C, 0x01); | |
779 | return 0; | |
780 | } | |
781 | ||
782 | /* | |
783 | * Auvitek au0828 analog stream enable | |
784 | * Please set interface0 to AS5 before enable the stream | |
785 | */ | |
786 | int au0828_analog_stream_enable(struct au0828_dev *d) | |
787 | { | |
788 | dprintk(1, "au0828_analog_stream_enable called\n"); | |
789 | au0828_writereg(d, AU0828_SENSORCTRL_VBI_103, 0x00); | |
790 | au0828_writereg(d, 0x106, 0x00); | |
791 | /* set x position */ | |
792 | au0828_writereg(d, 0x110, 0x00); | |
793 | au0828_writereg(d, 0x111, 0x00); | |
794 | au0828_writereg(d, 0x114, 0xa0); | |
795 | au0828_writereg(d, 0x115, 0x05); | |
796 | /* set y position */ | |
7f8eacd2 | 797 | au0828_writereg(d, 0x112, 0x00); |
8b2f0795 DH |
798 | au0828_writereg(d, 0x113, 0x00); |
799 | au0828_writereg(d, 0x116, 0xf2); | |
800 | au0828_writereg(d, 0x117, 0x00); | |
801 | au0828_writereg(d, AU0828_SENSORCTRL_100, 0xb3); | |
802 | ||
803 | return 0; | |
804 | } | |
805 | ||
806 | int au0828_analog_stream_disable(struct au0828_dev *d) | |
807 | { | |
808 | dprintk(1, "au0828_analog_stream_disable called\n"); | |
809 | au0828_writereg(d, AU0828_SENSORCTRL_100, 0x0); | |
810 | return 0; | |
811 | } | |
812 | ||
813 | void au0828_analog_stream_reset(struct au0828_dev *dev) | |
814 | { | |
815 | dprintk(1, "au0828_analog_stream_reset called\n"); | |
816 | au0828_writereg(dev, AU0828_SENSORCTRL_100, 0x0); | |
817 | mdelay(30); | |
818 | au0828_writereg(dev, AU0828_SENSORCTRL_100, 0xb3); | |
819 | } | |
820 | ||
821 | /* | |
822 | * Some operations needs to stop current streaming | |
823 | */ | |
824 | static int au0828_stream_interrupt(struct au0828_dev *dev) | |
825 | { | |
826 | int ret = 0; | |
827 | ||
828 | dev->stream_state = STREAM_INTERRUPT; | |
62899a28 | 829 | if (dev->dev_state == DEV_DISCONNECTED) |
8b2f0795 | 830 | return -ENODEV; |
62899a28 | 831 | else if (ret) { |
8b2f0795 | 832 | dev->dev_state = DEV_MISCONFIGURED; |
62899a28 | 833 | dprintk(1, "%s device is misconfigured!\n", __func__); |
8b2f0795 DH |
834 | return ret; |
835 | } | |
836 | return 0; | |
837 | } | |
838 | ||
839 | /* | |
840 | * au0828_release_resources | |
841 | * unregister v4l2 devices | |
842 | */ | |
843 | void au0828_analog_unregister(struct au0828_dev *dev) | |
844 | { | |
845 | dprintk(1, "au0828_release_resources called\n"); | |
846 | mutex_lock(&au0828_sysfs_lock); | |
847 | ||
63b0d5ad | 848 | if (dev->vdev) |
5a5a4e16 DH |
849 | video_unregister_device(dev->vdev); |
850 | if (dev->vbi_dev) | |
851 | video_unregister_device(dev->vbi_dev); | |
8b2f0795 DH |
852 | |
853 | mutex_unlock(&au0828_sysfs_lock); | |
854 | } | |
855 | ||
856 | ||
857 | /* Usage lock check functions */ | |
7f8eacd2 | 858 | static int res_get(struct au0828_fh *fh, unsigned int bit) |
8b2f0795 | 859 | { |
7f8eacd2 | 860 | struct au0828_dev *dev = fh->dev; |
8b2f0795 | 861 | |
7f8eacd2 DH |
862 | if (fh->resources & bit) |
863 | /* have it already allocated */ | |
864 | return 1; | |
8b2f0795 | 865 | |
7f8eacd2 DH |
866 | /* is it free? */ |
867 | mutex_lock(&dev->lock); | |
868 | if (dev->resources & bit) { | |
869 | /* no, someone else uses it */ | |
870 | mutex_unlock(&dev->lock); | |
871 | return 0; | |
872 | } | |
873 | /* it's free, grab it */ | |
874 | fh->resources |= bit; | |
875 | dev->resources |= bit; | |
876 | dprintk(1, "res: get %d\n", bit); | |
877 | mutex_unlock(&dev->lock); | |
878 | return 1; | |
879 | } | |
8b2f0795 | 880 | |
7f8eacd2 DH |
881 | static int res_check(struct au0828_fh *fh, unsigned int bit) |
882 | { | |
883 | return fh->resources & bit; | |
8b2f0795 DH |
884 | } |
885 | ||
7f8eacd2 | 886 | static int res_locked(struct au0828_dev *dev, unsigned int bit) |
8b2f0795 | 887 | { |
7f8eacd2 | 888 | return dev->resources & bit; |
8b2f0795 DH |
889 | } |
890 | ||
7f8eacd2 | 891 | static void res_free(struct au0828_fh *fh, unsigned int bits) |
8b2f0795 | 892 | { |
7f8eacd2 DH |
893 | struct au0828_dev *dev = fh->dev; |
894 | ||
895 | BUG_ON((fh->resources & bits) != bits); | |
8b2f0795 | 896 | |
7f8eacd2 DH |
897 | mutex_lock(&dev->lock); |
898 | fh->resources &= ~bits; | |
899 | dev->resources &= ~bits; | |
900 | dprintk(1, "res: put %d\n", bits); | |
901 | mutex_unlock(&dev->lock); | |
902 | } | |
903 | ||
904 | static int get_ressource(struct au0828_fh *fh) | |
905 | { | |
906 | switch (fh->type) { | |
907 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
908 | return AU0828_RESOURCE_VIDEO; | |
909 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
910 | return AU0828_RESOURCE_VBI; | |
911 | default: | |
912 | BUG(); | |
913 | return 0; | |
914 | } | |
8b2f0795 DH |
915 | } |
916 | ||
6e04b7b9 DH |
917 | /* This function ensures that video frames continue to be delivered even if |
918 | the ITU-656 input isn't receiving any data (thereby preventing applications | |
919 | such as tvtime from hanging) */ | |
920 | void au0828_vid_buffer_timeout(unsigned long data) | |
921 | { | |
922 | struct au0828_dev *dev = (struct au0828_dev *) data; | |
923 | struct au0828_dmaqueue *dma_q = &dev->vidq; | |
924 | struct au0828_buffer *buf; | |
925 | unsigned char *vid_data; | |
78ca5005 | 926 | unsigned long flags = 0; |
6e04b7b9 | 927 | |
78ca5005 | 928 | spin_lock_irqsave(&dev->slock, flags); |
6e04b7b9 DH |
929 | |
930 | buf = dev->isoc_ctl.buf; | |
931 | if (buf != NULL) { | |
932 | vid_data = videobuf_to_vmalloc(&buf->vb); | |
933 | memset(vid_data, 0x00, buf->vb.size); /* Blank green frame */ | |
934 | buffer_filled(dev, dma_q, buf); | |
6e04b7b9 | 935 | } |
78ca5005 DH |
936 | get_next_buf(dma_q, &buf); |
937 | ||
938 | if (dev->vid_timeout_running == 1) | |
939 | mod_timer(&dev->vid_timeout, jiffies + (HZ / 10)); | |
6e04b7b9 | 940 | |
78ca5005 | 941 | spin_unlock_irqrestore(&dev->slock, flags); |
6e04b7b9 DH |
942 | } |
943 | ||
944 | void au0828_vbi_buffer_timeout(unsigned long data) | |
945 | { | |
946 | struct au0828_dev *dev = (struct au0828_dev *) data; | |
947 | struct au0828_dmaqueue *dma_q = &dev->vbiq; | |
948 | struct au0828_buffer *buf; | |
949 | unsigned char *vbi_data; | |
78ca5005 | 950 | unsigned long flags = 0; |
6e04b7b9 | 951 | |
78ca5005 | 952 | spin_lock_irqsave(&dev->slock, flags); |
6e04b7b9 DH |
953 | |
954 | buf = dev->isoc_ctl.vbi_buf; | |
955 | if (buf != NULL) { | |
956 | vbi_data = videobuf_to_vmalloc(&buf->vb); | |
957 | memset(vbi_data, 0x00, buf->vb.size); | |
958 | vbi_buffer_filled(dev, dma_q, buf); | |
6e04b7b9 | 959 | } |
78ca5005 | 960 | vbi_get_next_buf(dma_q, &buf); |
6e04b7b9 | 961 | |
78ca5005 DH |
962 | if (dev->vbi_timeout_running == 1) |
963 | mod_timer(&dev->vbi_timeout, jiffies + (HZ / 10)); | |
964 | spin_unlock_irqrestore(&dev->slock, flags); | |
6e04b7b9 DH |
965 | } |
966 | ||
967 | ||
8b2f0795 DH |
968 | static int au0828_v4l2_open(struct file *filp) |
969 | { | |
8b2f0795 | 970 | int ret = 0; |
7f8eacd2 | 971 | struct video_device *vdev = video_devdata(filp); |
63b0d5ad | 972 | struct au0828_dev *dev = video_drvdata(filp); |
8b2f0795 | 973 | struct au0828_fh *fh; |
7f8eacd2 | 974 | int type; |
63b0d5ad | 975 | |
7f8eacd2 DH |
976 | switch (vdev->vfl_type) { |
977 | case VFL_TYPE_GRABBER: | |
978 | type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
979 | break; | |
980 | case VFL_TYPE_VBI: | |
63b0d5ad | 981 | type = V4L2_BUF_TYPE_VBI_CAPTURE; |
7f8eacd2 DH |
982 | break; |
983 | default: | |
984 | return -EINVAL; | |
985 | } | |
8b2f0795 DH |
986 | |
987 | fh = kzalloc(sizeof(struct au0828_fh), GFP_KERNEL); | |
62899a28 | 988 | if (NULL == fh) { |
8b2f0795 DH |
989 | dprintk(1, "Failed allocate au0828_fh struct!\n"); |
990 | return -ENOMEM; | |
991 | } | |
992 | ||
993 | fh->type = type; | |
994 | fh->dev = dev; | |
995 | filp->private_data = fh; | |
996 | ||
62899a28 | 997 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->users == 0) { |
8b2f0795 DH |
998 | /* set au0828 interface0 to AS5 here again */ |
999 | ret = usb_set_interface(dev->usbdev, 0, 5); | |
62899a28 DH |
1000 | if (ret < 0) { |
1001 | printk(KERN_INFO "Au0828 can't set alternate to 5!\n"); | |
8b2f0795 DH |
1002 | return -EBUSY; |
1003 | } | |
1004 | dev->width = NTSC_STD_W; | |
1005 | dev->height = NTSC_STD_H; | |
1006 | dev->frame_size = dev->width * dev->height * 2; | |
1007 | dev->field_size = dev->width * dev->height; | |
1008 | dev->bytesperline = dev->width * 2; | |
1009 | ||
1010 | au0828_analog_stream_enable(dev); | |
1011 | au0828_analog_stream_reset(dev); | |
1012 | ||
1013 | /* If we were doing ac97 instead of i2s, it would go here...*/ | |
1014 | au0828_i2s_init(dev); | |
1015 | ||
1016 | dev->stream_state = STREAM_OFF; | |
1017 | dev->dev_state |= DEV_INITIALIZED; | |
1018 | } | |
1019 | ||
1020 | dev->users++; | |
1021 | ||
1022 | videobuf_queue_vmalloc_init(&fh->vb_vidq, &au0828_video_qops, | |
7f8eacd2 DH |
1023 | NULL, &dev->slock, |
1024 | V4L2_BUF_TYPE_VIDEO_CAPTURE, | |
8b2f0795 | 1025 | V4L2_FIELD_INTERLACED, |
08bff03e | 1026 | sizeof(struct au0828_buffer), fh, NULL); |
8b2f0795 | 1027 | |
7f8eacd2 DH |
1028 | /* VBI Setup */ |
1029 | dev->vbi_width = 720; | |
1030 | dev->vbi_height = 1; | |
1031 | videobuf_queue_vmalloc_init(&fh->vb_vbiq, &au0828_vbi_qops, | |
1032 | NULL, &dev->slock, | |
1033 | V4L2_BUF_TYPE_VBI_CAPTURE, | |
1034 | V4L2_FIELD_SEQ_TB, | |
08bff03e | 1035 | sizeof(struct au0828_buffer), fh, NULL); |
7f8eacd2 | 1036 | |
8b2f0795 DH |
1037 | return ret; |
1038 | } | |
1039 | ||
1040 | static int au0828_v4l2_close(struct file *filp) | |
1041 | { | |
1042 | int ret; | |
1043 | struct au0828_fh *fh = filp->private_data; | |
1044 | struct au0828_dev *dev = fh->dev; | |
1045 | ||
7f8eacd2 | 1046 | if (res_check(fh, AU0828_RESOURCE_VIDEO)) { |
78ca5005 DH |
1047 | /* Cancel timeout thread in case they didn't call streamoff */ |
1048 | dev->vid_timeout_running = 0; | |
1049 | del_timer_sync(&dev->vid_timeout); | |
1050 | ||
8b2f0795 | 1051 | videobuf_stop(&fh->vb_vidq); |
7f8eacd2 DH |
1052 | res_free(fh, AU0828_RESOURCE_VIDEO); |
1053 | } | |
8b2f0795 | 1054 | |
7f8eacd2 | 1055 | if (res_check(fh, AU0828_RESOURCE_VBI)) { |
78ca5005 DH |
1056 | /* Cancel timeout thread in case they didn't call streamoff */ |
1057 | dev->vbi_timeout_running = 0; | |
1058 | del_timer_sync(&dev->vbi_timeout); | |
1059 | ||
7f8eacd2 DH |
1060 | videobuf_stop(&fh->vb_vbiq); |
1061 | res_free(fh, AU0828_RESOURCE_VBI); | |
1062 | } | |
1063 | ||
1064 | if (dev->users == 1) { | |
62899a28 | 1065 | if (dev->dev_state & DEV_DISCONNECTED) { |
8b2f0795 | 1066 | au0828_analog_unregister(dev); |
8b2f0795 DH |
1067 | kfree(dev); |
1068 | return 0; | |
1069 | } | |
1070 | ||
1071 | au0828_analog_stream_disable(dev); | |
1072 | ||
1073 | au0828_uninit_isoc(dev); | |
1074 | ||
e4b8bc52 | 1075 | /* Save some power by putting tuner to sleep */ |
622b828a | 1076 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_power, 0); |
e4b8bc52 | 1077 | |
8b2f0795 DH |
1078 | /* When close the device, set the usb intf0 into alt0 to free |
1079 | USB bandwidth */ | |
1080 | ret = usb_set_interface(dev->usbdev, 0, 0); | |
62899a28 DH |
1081 | if (ret < 0) |
1082 | printk(KERN_INFO "Au0828 can't set alternate to 0!\n"); | |
8b2f0795 DH |
1083 | } |
1084 | ||
7f8eacd2 DH |
1085 | videobuf_mmap_free(&fh->vb_vidq); |
1086 | videobuf_mmap_free(&fh->vb_vbiq); | |
8b2f0795 DH |
1087 | kfree(fh); |
1088 | dev->users--; | |
1089 | wake_up_interruptible_nr(&dev->open, 1); | |
8b2f0795 DH |
1090 | return 0; |
1091 | } | |
1092 | ||
1093 | static ssize_t au0828_v4l2_read(struct file *filp, char __user *buf, | |
1094 | size_t count, loff_t *pos) | |
1095 | { | |
1096 | struct au0828_fh *fh = filp->private_data; | |
1097 | struct au0828_dev *dev = fh->dev; | |
1098 | int rc; | |
1099 | ||
1100 | rc = check_dev(dev); | |
1101 | if (rc < 0) | |
1102 | return rc; | |
1103 | ||
62899a28 | 1104 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
7f8eacd2 DH |
1105 | if (res_locked(dev, AU0828_RESOURCE_VIDEO)) |
1106 | return -EBUSY; | |
8b2f0795 DH |
1107 | |
1108 | return videobuf_read_stream(&fh->vb_vidq, buf, count, pos, 0, | |
1109 | filp->f_flags & O_NONBLOCK); | |
1110 | } | |
7f8eacd2 DH |
1111 | |
1112 | if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { | |
1113 | if (!res_get(fh, AU0828_RESOURCE_VBI)) | |
1114 | return -EBUSY; | |
1115 | ||
bf797165 DH |
1116 | if (dev->vbi_timeout_running == 0) { |
1117 | /* Handle case where caller tries to read without | |
1118 | calling streamon first */ | |
1119 | dev->vbi_timeout_running = 1; | |
1120 | mod_timer(&dev->vbi_timeout, jiffies + (HZ / 10)); | |
1121 | } | |
1122 | ||
7f8eacd2 DH |
1123 | return videobuf_read_stream(&fh->vb_vbiq, buf, count, pos, 0, |
1124 | filp->f_flags & O_NONBLOCK); | |
1125 | } | |
1126 | ||
8b2f0795 DH |
1127 | return 0; |
1128 | } | |
1129 | ||
1130 | static unsigned int au0828_v4l2_poll(struct file *filp, poll_table *wait) | |
1131 | { | |
1132 | struct au0828_fh *fh = filp->private_data; | |
1133 | struct au0828_dev *dev = fh->dev; | |
1134 | int rc; | |
1135 | ||
1136 | rc = check_dev(dev); | |
1137 | if (rc < 0) | |
1138 | return rc; | |
1139 | ||
7f8eacd2 DH |
1140 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
1141 | if (!res_get(fh, AU0828_RESOURCE_VIDEO)) | |
1142 | return POLLERR; | |
1143 | return videobuf_poll_stream(filp, &fh->vb_vidq, wait); | |
1144 | } else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { | |
1145 | if (!res_get(fh, AU0828_RESOURCE_VBI)) | |
1146 | return POLLERR; | |
1147 | return videobuf_poll_stream(filp, &fh->vb_vbiq, wait); | |
1148 | } else { | |
8b2f0795 | 1149 | return POLLERR; |
7f8eacd2 | 1150 | } |
8b2f0795 DH |
1151 | } |
1152 | ||
1153 | static int au0828_v4l2_mmap(struct file *filp, struct vm_area_struct *vma) | |
1154 | { | |
1155 | struct au0828_fh *fh = filp->private_data; | |
1156 | struct au0828_dev *dev = fh->dev; | |
1157 | int rc; | |
1158 | ||
1159 | rc = check_dev(dev); | |
1160 | if (rc < 0) | |
1161 | return rc; | |
1162 | ||
7f8eacd2 DH |
1163 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1164 | rc = videobuf_mmap_mapper(&fh->vb_vidq, vma); | |
1165 | else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) | |
1166 | rc = videobuf_mmap_mapper(&fh->vb_vbiq, vma); | |
8b2f0795 | 1167 | |
8b2f0795 DH |
1168 | return rc; |
1169 | } | |
1170 | ||
1171 | static int au0828_set_format(struct au0828_dev *dev, unsigned int cmd, | |
1172 | struct v4l2_format *format) | |
1173 | { | |
1174 | int ret; | |
1175 | int width = format->fmt.pix.width; | |
1176 | int height = format->fmt.pix.height; | |
8b2f0795 | 1177 | |
62899a28 | 1178 | if (format->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
8b2f0795 | 1179 | return -EINVAL; |
8b2f0795 DH |
1180 | |
1181 | /* If they are demanding a format other than the one we support, | |
1182 | bail out (tvtime asks for UYVY and then retries with YUYV) */ | |
62899a28 | 1183 | if (format->fmt.pix.pixelformat != V4L2_PIX_FMT_UYVY) |
8b2f0795 | 1184 | return -EINVAL; |
8b2f0795 DH |
1185 | |
1186 | /* format->fmt.pix.width only support 720 and height 480 */ | |
62899a28 | 1187 | if (width != 720) |
8b2f0795 | 1188 | width = 720; |
62899a28 | 1189 | if (height != 480) |
8b2f0795 DH |
1190 | height = 480; |
1191 | ||
1192 | format->fmt.pix.width = width; | |
1193 | format->fmt.pix.height = height; | |
1194 | format->fmt.pix.pixelformat = V4L2_PIX_FMT_UYVY; | |
1195 | format->fmt.pix.bytesperline = width * 2; | |
1196 | format->fmt.pix.sizeimage = width * height * 2; | |
1197 | format->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; | |
1198 | format->fmt.pix.field = V4L2_FIELD_INTERLACED; | |
1199 | ||
62899a28 | 1200 | if (cmd == VIDIOC_TRY_FMT) |
8b2f0795 DH |
1201 | return 0; |
1202 | ||
1203 | /* maybe set new image format, driver current only support 720*480 */ | |
1204 | dev->width = width; | |
1205 | dev->height = height; | |
1206 | dev->frame_size = width * height * 2; | |
1207 | dev->field_size = width * height; | |
1208 | dev->bytesperline = width * 2; | |
1209 | ||
62899a28 | 1210 | if (dev->stream_state == STREAM_ON) { |
8b2f0795 | 1211 | dprintk(1, "VIDIOC_SET_FMT: interrupting stream!\n"); |
62899a28 DH |
1212 | ret = au0828_stream_interrupt(dev); |
1213 | if (ret != 0) { | |
8b2f0795 DH |
1214 | dprintk(1, "error interrupting video stream!\n"); |
1215 | return ret; | |
1216 | } | |
1217 | } | |
1218 | ||
1219 | /* set au0828 interface0 to AS5 here again */ | |
1220 | ret = usb_set_interface(dev->usbdev, 0, 5); | |
62899a28 DH |
1221 | if (ret < 0) { |
1222 | printk(KERN_INFO "Au0828 can't set alt setting to 5!\n"); | |
8b2f0795 DH |
1223 | return -EBUSY; |
1224 | } | |
1225 | ||
1226 | au0828_analog_stream_enable(dev); | |
1227 | ||
1228 | return 0; | |
1229 | } | |
1230 | ||
1231 | ||
1232 | static int vidioc_queryctrl(struct file *file, void *priv, | |
1233 | struct v4l2_queryctrl *qc) | |
1234 | { | |
1235 | struct au0828_fh *fh = priv; | |
1236 | struct au0828_dev *dev = fh->dev; | |
2689d3dc | 1237 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, queryctrl, qc); |
8b2f0795 DH |
1238 | if (qc->type) |
1239 | return 0; | |
1240 | else | |
1241 | return -EINVAL; | |
1242 | } | |
1243 | ||
1244 | static int vidioc_querycap(struct file *file, void *priv, | |
1245 | struct v4l2_capability *cap) | |
1246 | { | |
1247 | struct au0828_fh *fh = priv; | |
1248 | struct au0828_dev *dev = fh->dev; | |
1249 | ||
8b2f0795 | 1250 | strlcpy(cap->driver, "au0828", sizeof(cap->driver)); |
f1add5b5 | 1251 | strlcpy(cap->card, dev->board.name, sizeof(cap->card)); |
b14667f3 | 1252 | strlcpy(cap->bus_info, dev->v4l2_dev.name, sizeof(cap->bus_info)); |
8b2f0795 | 1253 | |
8b2f0795 | 1254 | /*set the device capabilities */ |
5a5a4e16 | 1255 | cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | |
5a5a4e16 | 1256 | V4L2_CAP_VBI_CAPTURE | |
8b2f0795 DH |
1257 | V4L2_CAP_AUDIO | |
1258 | V4L2_CAP_READWRITE | | |
1259 | V4L2_CAP_STREAMING | | |
1260 | V4L2_CAP_TUNER; | |
1261 | return 0; | |
1262 | } | |
1263 | ||
1264 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, | |
1265 | struct v4l2_fmtdesc *f) | |
1266 | { | |
62899a28 | 1267 | if (f->index) |
8b2f0795 DH |
1268 | return -EINVAL; |
1269 | ||
8b2f0795 DH |
1270 | f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
1271 | strcpy(f->description, "Packed YUV2"); | |
1272 | ||
1273 | f->flags = 0; | |
1274 | f->pixelformat = V4L2_PIX_FMT_UYVY; | |
1275 | ||
8b2f0795 DH |
1276 | return 0; |
1277 | } | |
1278 | ||
1279 | static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, | |
1280 | struct v4l2_format *f) | |
1281 | { | |
1282 | struct au0828_fh *fh = priv; | |
1283 | struct au0828_dev *dev = fh->dev; | |
1284 | ||
1285 | f->fmt.pix.width = dev->width; | |
1286 | f->fmt.pix.height = dev->height; | |
1287 | f->fmt.pix.pixelformat = V4L2_PIX_FMT_UYVY; | |
1288 | f->fmt.pix.bytesperline = dev->bytesperline; | |
1289 | f->fmt.pix.sizeimage = dev->frame_size; | |
1290 | f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; /* NTSC/PAL */ | |
1291 | f->fmt.pix.field = V4L2_FIELD_INTERLACED; | |
1292 | return 0; | |
1293 | } | |
1294 | ||
1295 | static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, | |
1296 | struct v4l2_format *f) | |
1297 | { | |
1298 | struct au0828_fh *fh = priv; | |
1299 | struct au0828_dev *dev = fh->dev; | |
1300 | ||
1301 | return au0828_set_format(dev, VIDIOC_TRY_FMT, f); | |
1302 | } | |
1303 | ||
1304 | static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, | |
1305 | struct v4l2_format *f) | |
1306 | { | |
1307 | struct au0828_fh *fh = priv; | |
1308 | struct au0828_dev *dev = fh->dev; | |
1309 | int rc; | |
1310 | ||
7f8eacd2 DH |
1311 | rc = check_dev(dev); |
1312 | if (rc < 0) | |
1313 | return rc; | |
1314 | ||
1315 | mutex_lock(&dev->lock); | |
1316 | ||
8b2f0795 | 1317 | if (videobuf_queue_is_busy(&fh->vb_vidq)) { |
62899a28 | 1318 | printk(KERN_INFO "%s queue busy\n", __func__); |
8b2f0795 DH |
1319 | rc = -EBUSY; |
1320 | goto out; | |
1321 | } | |
1322 | ||
7f8eacd2 | 1323 | rc = au0828_set_format(dev, VIDIOC_S_FMT, f); |
8b2f0795 | 1324 | out: |
7f8eacd2 | 1325 | mutex_unlock(&dev->lock); |
8b2f0795 DH |
1326 | return rc; |
1327 | } | |
1328 | ||
1329 | static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id * norm) | |
1330 | { | |
1331 | struct au0828_fh *fh = priv; | |
1332 | struct au0828_dev *dev = fh->dev; | |
1333 | ||
1334 | /* FIXME: when we support something other than NTSC, we are going to | |
1335 | have to make the au0828 bridge adjust the size of its capture | |
1336 | buffer, which is currently hardcoded at 720x480 */ | |
1337 | ||
f41737ec | 1338 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_std, *norm); |
8b2f0795 DH |
1339 | return 0; |
1340 | } | |
1341 | ||
1342 | static int vidioc_enum_input(struct file *file, void *priv, | |
1343 | struct v4l2_input *input) | |
1344 | { | |
1345 | struct au0828_fh *fh = priv; | |
1346 | struct au0828_dev *dev = fh->dev; | |
1347 | unsigned int tmp; | |
1348 | ||
1349 | static const char *inames[] = { | |
3d62287e | 1350 | [AU0828_VMUX_UNDEFINED] = "Undefined", |
8b2f0795 DH |
1351 | [AU0828_VMUX_COMPOSITE] = "Composite", |
1352 | [AU0828_VMUX_SVIDEO] = "S-Video", | |
1353 | [AU0828_VMUX_CABLE] = "Cable TV", | |
1354 | [AU0828_VMUX_TELEVISION] = "Television", | |
1355 | [AU0828_VMUX_DVB] = "DVB", | |
1356 | [AU0828_VMUX_DEBUG] = "tv debug" | |
1357 | }; | |
1358 | ||
1359 | tmp = input->index; | |
1360 | ||
f5e20c34 | 1361 | if (tmp >= AU0828_MAX_INPUT) |
8b2f0795 | 1362 | return -EINVAL; |
62899a28 | 1363 | if (AUVI_INPUT(tmp).type == 0) |
8b2f0795 DH |
1364 | return -EINVAL; |
1365 | ||
8b2f0795 | 1366 | input->index = tmp; |
f1add5b5 | 1367 | strcpy(input->name, inames[AUVI_INPUT(tmp).type]); |
62899a28 DH |
1368 | if ((AUVI_INPUT(tmp).type == AU0828_VMUX_TELEVISION) || |
1369 | (AUVI_INPUT(tmp).type == AU0828_VMUX_CABLE)) | |
8b2f0795 DH |
1370 | input->type |= V4L2_INPUT_TYPE_TUNER; |
1371 | else | |
1372 | input->type |= V4L2_INPUT_TYPE_CAMERA; | |
1373 | ||
1374 | input->std = dev->vdev->tvnorms; | |
1375 | ||
1376 | return 0; | |
1377 | } | |
1378 | ||
1379 | static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) | |
1380 | { | |
1381 | struct au0828_fh *fh = priv; | |
1382 | struct au0828_dev *dev = fh->dev; | |
1383 | *i = dev->ctrl_input; | |
1384 | return 0; | |
1385 | } | |
1386 | ||
1387 | static int vidioc_s_input(struct file *file, void *priv, unsigned int index) | |
1388 | { | |
1389 | struct au0828_fh *fh = priv; | |
1390 | struct au0828_dev *dev = fh->dev; | |
1391 | int i; | |
8b2f0795 | 1392 | |
62899a28 | 1393 | dprintk(1, "VIDIOC_S_INPUT in function %s, input=%d\n", __func__, |
8b2f0795 | 1394 | index); |
62899a28 | 1395 | if (index >= AU0828_MAX_INPUT) |
8b2f0795 | 1396 | return -EINVAL; |
62899a28 | 1397 | if (AUVI_INPUT(index).type == 0) |
8b2f0795 DH |
1398 | return -EINVAL; |
1399 | dev->ctrl_input = index; | |
1400 | ||
62899a28 | 1401 | switch (AUVI_INPUT(index).type) { |
8b2f0795 | 1402 | case AU0828_VMUX_SVIDEO: |
8b2f0795 DH |
1403 | dev->input_type = AU0828_VMUX_SVIDEO; |
1404 | break; | |
8b2f0795 | 1405 | case AU0828_VMUX_COMPOSITE: |
8b2f0795 DH |
1406 | dev->input_type = AU0828_VMUX_COMPOSITE; |
1407 | break; | |
8b2f0795 | 1408 | case AU0828_VMUX_TELEVISION: |
8b2f0795 DH |
1409 | dev->input_type = AU0828_VMUX_TELEVISION; |
1410 | break; | |
8b2f0795 | 1411 | default: |
a1094c4c DH |
1412 | dprintk(1, "VIDIOC_S_INPUT unknown input type set [%d]\n", |
1413 | AUVI_INPUT(index).type); | |
1414 | break; | |
8b2f0795 DH |
1415 | } |
1416 | ||
5325b427 HV |
1417 | v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_routing, |
1418 | AUVI_INPUT(index).vmux, 0, 0); | |
8b2f0795 DH |
1419 | |
1420 | for (i = 0; i < AU0828_MAX_INPUT; i++) { | |
1421 | int enable = 0; | |
62899a28 | 1422 | if (AUVI_INPUT(i).audio_setup == NULL) |
8b2f0795 | 1423 | continue; |
8b2f0795 DH |
1424 | |
1425 | if (i == index) | |
1426 | enable = 1; | |
1427 | else | |
1428 | enable = 0; | |
1429 | if (enable) { | |
f1add5b5 | 1430 | (AUVI_INPUT(i).audio_setup)(dev, enable); |
8b2f0795 DH |
1431 | } else { |
1432 | /* Make sure we leave it turned on if some | |
1433 | other input is routed to this callback */ | |
f1add5b5 DH |
1434 | if ((AUVI_INPUT(i).audio_setup) != |
1435 | ((AUVI_INPUT(index).audio_setup))) { | |
1436 | (AUVI_INPUT(i).audio_setup)(dev, enable); | |
8b2f0795 DH |
1437 | } |
1438 | } | |
1439 | } | |
1440 | ||
5325b427 HV |
1441 | v4l2_device_call_all(&dev->v4l2_dev, 0, audio, s_routing, |
1442 | AUVI_INPUT(index).amux, 0, 0); | |
8b2f0795 DH |
1443 | return 0; |
1444 | } | |
1445 | ||
1446 | static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a) | |
1447 | { | |
1448 | struct au0828_fh *fh = priv; | |
1449 | struct au0828_dev *dev = fh->dev; | |
1450 | unsigned int index = a->index; | |
1451 | ||
62899a28 | 1452 | if (a->index > 1) |
8b2f0795 DH |
1453 | return -EINVAL; |
1454 | ||
8b2f0795 | 1455 | index = dev->ctrl_ainput; |
62899a28 | 1456 | if (index == 0) |
8b2f0795 DH |
1457 | strcpy(a->name, "Television"); |
1458 | else | |
1459 | strcpy(a->name, "Line in"); | |
1460 | ||
1461 | a->capability = V4L2_AUDCAP_STEREO; | |
1462 | a->index = index; | |
1463 | return 0; | |
1464 | } | |
1465 | ||
1466 | static int vidioc_s_audio(struct file *file, void *priv, struct v4l2_audio *a) | |
1467 | { | |
1468 | struct au0828_fh *fh = priv; | |
1469 | struct au0828_dev *dev = fh->dev; | |
62899a28 | 1470 | if (a->index != dev->ctrl_ainput) |
8b2f0795 DH |
1471 | return -EINVAL; |
1472 | return 0; | |
1473 | } | |
1474 | ||
1475 | static int vidioc_g_ctrl(struct file *file, void *priv, | |
1476 | struct v4l2_control *ctrl) | |
1477 | { | |
1478 | struct au0828_fh *fh = priv; | |
1479 | struct au0828_dev *dev = fh->dev; | |
1480 | ||
2689d3dc | 1481 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_ctrl, ctrl); |
8b2f0795 DH |
1482 | return 0; |
1483 | ||
1484 | } | |
1485 | ||
1486 | static int vidioc_s_ctrl(struct file *file, void *priv, | |
1487 | struct v4l2_control *ctrl) | |
1488 | { | |
1489 | struct au0828_fh *fh = priv; | |
1490 | struct au0828_dev *dev = fh->dev; | |
2689d3dc | 1491 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_ctrl, ctrl); |
8b2f0795 DH |
1492 | return 0; |
1493 | } | |
1494 | ||
1495 | static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) | |
1496 | { | |
1497 | struct au0828_fh *fh = priv; | |
1498 | struct au0828_dev *dev = fh->dev; | |
1499 | ||
62899a28 | 1500 | if (t->index != 0) |
8b2f0795 DH |
1501 | return -EINVAL; |
1502 | ||
8b2f0795 | 1503 | strcpy(t->name, "Auvitek tuner"); |
2689d3dc | 1504 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t); |
8b2f0795 DH |
1505 | return 0; |
1506 | } | |
1507 | ||
1508 | static int vidioc_s_tuner(struct file *file, void *priv, | |
1509 | struct v4l2_tuner *t) | |
1510 | { | |
1511 | struct au0828_fh *fh = priv; | |
1512 | struct au0828_dev *dev = fh->dev; | |
1513 | ||
62899a28 | 1514 | if (t->index != 0) |
8b2f0795 DH |
1515 | return -EINVAL; |
1516 | ||
1517 | t->type = V4L2_TUNER_ANALOG_TV; | |
2689d3dc | 1518 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t); |
8b2f0795 DH |
1519 | dprintk(1, "VIDIOC_S_TUNER: signal = %x, afc = %x\n", t->signal, |
1520 | t->afc); | |
1521 | return 0; | |
1522 | ||
1523 | } | |
1524 | ||
1525 | static int vidioc_g_frequency(struct file *file, void *priv, | |
1526 | struct v4l2_frequency *freq) | |
1527 | { | |
1528 | struct au0828_fh *fh = priv; | |
1529 | struct au0828_dev *dev = fh->dev; | |
c888923d | 1530 | |
8b2f0795 DH |
1531 | freq->type = V4L2_TUNER_ANALOG_TV; |
1532 | freq->frequency = dev->ctrl_freq; | |
1533 | return 0; | |
1534 | } | |
1535 | ||
1536 | static int vidioc_s_frequency(struct file *file, void *priv, | |
1537 | struct v4l2_frequency *freq) | |
1538 | { | |
1539 | struct au0828_fh *fh = priv; | |
1540 | struct au0828_dev *dev = fh->dev; | |
1541 | ||
62899a28 | 1542 | if (freq->tuner != 0) |
8b2f0795 | 1543 | return -EINVAL; |
62899a28 | 1544 | if (freq->type != V4L2_TUNER_ANALOG_TV) |
8b2f0795 DH |
1545 | return -EINVAL; |
1546 | ||
1547 | dev->ctrl_freq = freq->frequency; | |
1548 | ||
2689d3dc | 1549 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, freq); |
8b2f0795 DH |
1550 | |
1551 | au0828_analog_stream_reset(dev); | |
1552 | ||
1553 | return 0; | |
1554 | } | |
1555 | ||
7f8eacd2 DH |
1556 | |
1557 | /* RAW VBI ioctls */ | |
1558 | ||
1559 | static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv, | |
1560 | struct v4l2_format *format) | |
1561 | { | |
1562 | struct au0828_fh *fh = priv; | |
1563 | struct au0828_dev *dev = fh->dev; | |
1564 | ||
1565 | format->fmt.vbi.samples_per_line = dev->vbi_width; | |
1566 | format->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; | |
1567 | format->fmt.vbi.offset = 0; | |
1568 | format->fmt.vbi.flags = 0; | |
1569 | format->fmt.vbi.sampling_rate = 6750000 * 4 / 2; | |
1570 | ||
1571 | format->fmt.vbi.count[0] = dev->vbi_height; | |
1572 | format->fmt.vbi.count[1] = dev->vbi_height; | |
1573 | format->fmt.vbi.start[0] = 21; | |
1574 | format->fmt.vbi.start[1] = 284; | |
1575 | ||
1576 | return 0; | |
1577 | } | |
1578 | ||
8b2f0795 DH |
1579 | static int vidioc_g_chip_ident(struct file *file, void *priv, |
1580 | struct v4l2_dbg_chip_ident *chip) | |
1581 | { | |
1582 | struct au0828_fh *fh = priv; | |
1583 | struct au0828_dev *dev = fh->dev; | |
1584 | chip->ident = V4L2_IDENT_NONE; | |
1585 | chip->revision = 0; | |
1586 | ||
d9109bef DH |
1587 | if (v4l2_chip_match_host(&chip->match)) { |
1588 | chip->ident = V4L2_IDENT_AU0828; | |
1589 | return 0; | |
1590 | } | |
1591 | ||
2689d3dc | 1592 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_chip_ident, chip); |
d9109bef DH |
1593 | if (chip->ident == V4L2_IDENT_NONE) |
1594 | return -EINVAL; | |
1595 | ||
8b2f0795 DH |
1596 | return 0; |
1597 | } | |
1598 | ||
1599 | static int vidioc_cropcap(struct file *file, void *priv, | |
1600 | struct v4l2_cropcap *cc) | |
1601 | { | |
1602 | struct au0828_fh *fh = priv; | |
1603 | struct au0828_dev *dev = fh->dev; | |
1604 | ||
62899a28 | 1605 | if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
8b2f0795 DH |
1606 | return -EINVAL; |
1607 | ||
1608 | cc->bounds.left = 0; | |
1609 | cc->bounds.top = 0; | |
1610 | cc->bounds.width = dev->width; | |
1611 | cc->bounds.height = dev->height; | |
1612 | ||
1613 | cc->defrect = cc->bounds; | |
1614 | ||
1615 | cc->pixelaspect.numerator = 54; | |
1616 | cc->pixelaspect.denominator = 59; | |
1617 | ||
1618 | return 0; | |
1619 | } | |
1620 | ||
1621 | static int vidioc_streamon(struct file *file, void *priv, | |
1622 | enum v4l2_buf_type type) | |
1623 | { | |
7f8eacd2 DH |
1624 | struct au0828_fh *fh = priv; |
1625 | struct au0828_dev *dev = fh->dev; | |
1626 | int rc = -EINVAL; | |
8b2f0795 DH |
1627 | |
1628 | rc = check_dev(dev); | |
1629 | if (rc < 0) | |
1630 | return rc; | |
1631 | ||
7f8eacd2 DH |
1632 | if (unlikely(type != fh->type)) |
1633 | return -EINVAL; | |
1634 | ||
1635 | dprintk(1, "vidioc_streamon fh=%p t=%d fh->res=%d dev->res=%d\n", | |
1636 | fh, type, fh->resources, dev->resources); | |
1637 | ||
1638 | if (unlikely(!res_get(fh, get_ressource(fh)))) | |
1639 | return -EBUSY; | |
1640 | ||
8b2f0795 DH |
1641 | if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
1642 | au0828_analog_stream_enable(dev); | |
2689d3dc | 1643 | v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 1); |
8b2f0795 DH |
1644 | } |
1645 | ||
78ca5005 | 1646 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
8b2f0795 | 1647 | rc = videobuf_streamon(&fh->vb_vidq); |
78ca5005 DH |
1648 | dev->vid_timeout_running = 1; |
1649 | mod_timer(&dev->vid_timeout, jiffies + (HZ / 10)); | |
1650 | } else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { | |
7f8eacd2 | 1651 | rc = videobuf_streamon(&fh->vb_vbiq); |
78ca5005 DH |
1652 | dev->vbi_timeout_running = 1; |
1653 | mod_timer(&dev->vbi_timeout, jiffies + (HZ / 10)); | |
1654 | } | |
8b2f0795 DH |
1655 | |
1656 | return rc; | |
1657 | } | |
1658 | ||
1659 | static int vidioc_streamoff(struct file *file, void *priv, | |
1660 | enum v4l2_buf_type type) | |
1661 | { | |
7f8eacd2 DH |
1662 | struct au0828_fh *fh = priv; |
1663 | struct au0828_dev *dev = fh->dev; | |
1664 | int rc; | |
1665 | int i; | |
8b2f0795 DH |
1666 | |
1667 | rc = check_dev(dev); | |
1668 | if (rc < 0) | |
1669 | return rc; | |
1670 | ||
7f8eacd2 DH |
1671 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && |
1672 | fh->type != V4L2_BUF_TYPE_VBI_CAPTURE) | |
8b2f0795 DH |
1673 | return -EINVAL; |
1674 | if (type != fh->type) | |
1675 | return -EINVAL; | |
1676 | ||
7f8eacd2 DH |
1677 | dprintk(1, "vidioc_streamoff fh=%p t=%d fh->res=%d dev->res=%d\n", |
1678 | fh, type, fh->resources, dev->resources); | |
1679 | ||
1680 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { | |
78ca5005 DH |
1681 | dev->vid_timeout_running = 0; |
1682 | del_timer_sync(&dev->vid_timeout); | |
1683 | ||
2689d3dc | 1684 | v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 0); |
7f8eacd2 DH |
1685 | rc = au0828_stream_interrupt(dev); |
1686 | if (rc != 0) | |
1687 | return rc; | |
8b2f0795 | 1688 | |
7f8eacd2 DH |
1689 | for (i = 0; i < AU0828_MAX_INPUT; i++) { |
1690 | if (AUVI_INPUT(i).audio_setup == NULL) | |
1691 | continue; | |
1692 | (AUVI_INPUT(i).audio_setup)(dev, 0); | |
1693 | } | |
8b2f0795 | 1694 | |
7f8eacd2 DH |
1695 | videobuf_streamoff(&fh->vb_vidq); |
1696 | res_free(fh, AU0828_RESOURCE_VIDEO); | |
1697 | } else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { | |
78ca5005 DH |
1698 | dev->vbi_timeout_running = 0; |
1699 | del_timer_sync(&dev->vbi_timeout); | |
1700 | ||
7f8eacd2 DH |
1701 | videobuf_streamoff(&fh->vb_vbiq); |
1702 | res_free(fh, AU0828_RESOURCE_VBI); | |
1703 | } | |
8b2f0795 DH |
1704 | |
1705 | return 0; | |
1706 | } | |
1707 | ||
80c6e358 | 1708 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
8b2f0795 DH |
1709 | static int vidioc_g_register(struct file *file, void *priv, |
1710 | struct v4l2_dbg_register *reg) | |
1711 | { | |
1712 | struct au0828_fh *fh = priv; | |
1713 | struct au0828_dev *dev = fh->dev; | |
1714 | ||
1715 | switch (reg->match.type) { | |
1716 | case V4L2_CHIP_MATCH_I2C_DRIVER: | |
2689d3dc | 1717 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_register, reg); |
8b2f0795 DH |
1718 | return 0; |
1719 | default: | |
1720 | return -EINVAL; | |
1721 | } | |
1722 | } | |
1723 | ||
1724 | static int vidioc_s_register(struct file *file, void *priv, | |
1725 | struct v4l2_dbg_register *reg) | |
1726 | { | |
1727 | struct au0828_fh *fh = priv; | |
1728 | struct au0828_dev *dev = fh->dev; | |
1729 | ||
1730 | switch (reg->match.type) { | |
1731 | case V4L2_CHIP_MATCH_I2C_DRIVER: | |
2689d3dc | 1732 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_register, reg); |
8b2f0795 DH |
1733 | return 0; |
1734 | default: | |
1735 | return -EINVAL; | |
1736 | } | |
1737 | return 0; | |
1738 | } | |
80c6e358 | 1739 | #endif |
8b2f0795 DH |
1740 | |
1741 | static int vidioc_reqbufs(struct file *file, void *priv, | |
1742 | struct v4l2_requestbuffers *rb) | |
1743 | { | |
1744 | struct au0828_fh *fh = priv; | |
1745 | struct au0828_dev *dev = fh->dev; | |
1746 | int rc; | |
1747 | ||
1748 | rc = check_dev(dev); | |
1749 | if (rc < 0) | |
1750 | return rc; | |
1751 | ||
54ebb8b8 DH |
1752 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1753 | rc = videobuf_reqbufs(&fh->vb_vidq, rb); | |
1754 | else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) | |
1755 | rc = videobuf_reqbufs(&fh->vb_vbiq, rb); | |
1756 | ||
1757 | return rc; | |
8b2f0795 DH |
1758 | } |
1759 | ||
1760 | static int vidioc_querybuf(struct file *file, void *priv, | |
1761 | struct v4l2_buffer *b) | |
1762 | { | |
1763 | struct au0828_fh *fh = priv; | |
1764 | struct au0828_dev *dev = fh->dev; | |
1765 | int rc; | |
1766 | ||
1767 | rc = check_dev(dev); | |
1768 | if (rc < 0) | |
1769 | return rc; | |
1770 | ||
54ebb8b8 DH |
1771 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1772 | rc = videobuf_querybuf(&fh->vb_vidq, b); | |
1773 | else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) | |
1774 | rc = videobuf_querybuf(&fh->vb_vbiq, b); | |
1775 | ||
1776 | return rc; | |
8b2f0795 DH |
1777 | } |
1778 | ||
1779 | static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b) | |
1780 | { | |
1781 | struct au0828_fh *fh = priv; | |
1782 | struct au0828_dev *dev = fh->dev; | |
1783 | int rc; | |
1784 | ||
1785 | rc = check_dev(dev); | |
1786 | if (rc < 0) | |
1787 | return rc; | |
1788 | ||
54ebb8b8 DH |
1789 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1790 | rc = videobuf_qbuf(&fh->vb_vidq, b); | |
1791 | else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) | |
1792 | rc = videobuf_qbuf(&fh->vb_vbiq, b); | |
1793 | ||
1794 | return rc; | |
8b2f0795 DH |
1795 | } |
1796 | ||
1797 | static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) | |
1798 | { | |
1799 | struct au0828_fh *fh = priv; | |
1800 | struct au0828_dev *dev = fh->dev; | |
1801 | int rc; | |
1802 | ||
1803 | rc = check_dev(dev); | |
1804 | if (rc < 0) | |
1805 | return rc; | |
1806 | ||
1807 | /* Workaround for a bug in the au0828 hardware design that sometimes | |
1808 | results in the colorspace being inverted */ | |
1809 | if (dev->greenscreen_detected == 1) { | |
1810 | dprintk(1, "Detected green frame. Resetting stream...\n"); | |
1811 | au0828_analog_stream_reset(dev); | |
1812 | dev->greenscreen_detected = 0; | |
1813 | } | |
1814 | ||
54ebb8b8 DH |
1815 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1816 | rc = videobuf_dqbuf(&fh->vb_vidq, b, file->f_flags & O_NONBLOCK); | |
1817 | else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) | |
1818 | rc = videobuf_dqbuf(&fh->vb_vbiq, b, file->f_flags & O_NONBLOCK); | |
1819 | ||
1820 | return rc; | |
8b2f0795 DH |
1821 | } |
1822 | ||
8b2f0795 DH |
1823 | static struct v4l2_file_operations au0828_v4l_fops = { |
1824 | .owner = THIS_MODULE, | |
1825 | .open = au0828_v4l2_open, | |
1826 | .release = au0828_v4l2_close, | |
1827 | .read = au0828_v4l2_read, | |
1828 | .poll = au0828_v4l2_poll, | |
1829 | .mmap = au0828_v4l2_mmap, | |
1830 | .ioctl = video_ioctl2, | |
1831 | }; | |
1832 | ||
1833 | static const struct v4l2_ioctl_ops video_ioctl_ops = { | |
1834 | .vidioc_querycap = vidioc_querycap, | |
1835 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, | |
1836 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
1837 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, | |
1838 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, | |
5a5a4e16 | 1839 | .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, |
7f8eacd2 | 1840 | .vidioc_s_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, |
8b2f0795 DH |
1841 | .vidioc_g_audio = vidioc_g_audio, |
1842 | .vidioc_s_audio = vidioc_s_audio, | |
1843 | .vidioc_cropcap = vidioc_cropcap, | |
8b2f0795 DH |
1844 | .vidioc_reqbufs = vidioc_reqbufs, |
1845 | .vidioc_querybuf = vidioc_querybuf, | |
1846 | .vidioc_qbuf = vidioc_qbuf, | |
1847 | .vidioc_dqbuf = vidioc_dqbuf, | |
1848 | .vidioc_s_std = vidioc_s_std, | |
1849 | .vidioc_enum_input = vidioc_enum_input, | |
1850 | .vidioc_g_input = vidioc_g_input, | |
1851 | .vidioc_s_input = vidioc_s_input, | |
1852 | .vidioc_queryctrl = vidioc_queryctrl, | |
1853 | .vidioc_g_ctrl = vidioc_g_ctrl, | |
1854 | .vidioc_s_ctrl = vidioc_s_ctrl, | |
1855 | .vidioc_streamon = vidioc_streamon, | |
1856 | .vidioc_streamoff = vidioc_streamoff, | |
1857 | .vidioc_g_tuner = vidioc_g_tuner, | |
1858 | .vidioc_s_tuner = vidioc_s_tuner, | |
1859 | .vidioc_g_frequency = vidioc_g_frequency, | |
1860 | .vidioc_s_frequency = vidioc_s_frequency, | |
1861 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
1862 | .vidioc_g_register = vidioc_g_register, | |
1863 | .vidioc_s_register = vidioc_s_register, | |
8b2f0795 | 1864 | #endif |
80c6e358 | 1865 | .vidioc_g_chip_ident = vidioc_g_chip_ident, |
8b2f0795 DH |
1866 | }; |
1867 | ||
1868 | static const struct video_device au0828_video_template = { | |
1869 | .fops = &au0828_v4l_fops, | |
1870 | .release = video_device_release, | |
1871 | .ioctl_ops = &video_ioctl_ops, | |
0ef21071 DH |
1872 | .tvnorms = V4L2_STD_NTSC_M, |
1873 | .current_norm = V4L2_STD_NTSC_M, | |
8b2f0795 DH |
1874 | }; |
1875 | ||
1876 | /**************************************************************************/ | |
1877 | ||
fc4ce6cd DH |
1878 | int au0828_analog_register(struct au0828_dev *dev, |
1879 | struct usb_interface *interface) | |
8b2f0795 DH |
1880 | { |
1881 | int retval = -ENOMEM; | |
fc4ce6cd DH |
1882 | struct usb_host_interface *iface_desc; |
1883 | struct usb_endpoint_descriptor *endpoint; | |
1884 | int i; | |
8b2f0795 DH |
1885 | |
1886 | dprintk(1, "au0828_analog_register called!\n"); | |
1887 | ||
fc4ce6cd DH |
1888 | /* set au0828 usb interface0 to as5 */ |
1889 | retval = usb_set_interface(dev->usbdev, | |
62899a28 | 1890 | interface->cur_altsetting->desc.bInterfaceNumber, 5); |
fc4ce6cd | 1891 | if (retval != 0) { |
62899a28 | 1892 | printk(KERN_INFO "Failure setting usb interface0 to as5\n"); |
fc4ce6cd DH |
1893 | return retval; |
1894 | } | |
1895 | ||
1896 | /* Figure out which endpoint has the isoc interface */ | |
1897 | iface_desc = interface->cur_altsetting; | |
62899a28 | 1898 | for (i = 0; i < iface_desc->desc.bNumEndpoints; i++) { |
fc4ce6cd | 1899 | endpoint = &iface_desc->endpoint[i].desc; |
62899a28 DH |
1900 | if (((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) |
1901 | == USB_DIR_IN) && | |
1902 | ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) | |
1903 | == USB_ENDPOINT_XFER_ISOC)) { | |
fc4ce6cd DH |
1904 | |
1905 | /* we find our isoc in endpoint */ | |
1906 | u16 tmp = le16_to_cpu(endpoint->wMaxPacketSize); | |
62899a28 DH |
1907 | dev->max_pkt_size = (tmp & 0x07ff) * |
1908 | (((tmp & 0x1800) >> 11) + 1); | |
fc4ce6cd DH |
1909 | dev->isoc_in_endpointaddr = endpoint->bEndpointAddress; |
1910 | } | |
1911 | } | |
62899a28 DH |
1912 | if (!(dev->isoc_in_endpointaddr)) { |
1913 | printk(KERN_INFO "Could not locate isoc endpoint\n"); | |
fc4ce6cd DH |
1914 | kfree(dev); |
1915 | return -ENODEV; | |
1916 | } | |
1917 | ||
8b2f0795 DH |
1918 | init_waitqueue_head(&dev->open); |
1919 | spin_lock_init(&dev->slock); | |
1920 | mutex_init(&dev->lock); | |
1921 | ||
7f8eacd2 | 1922 | /* init video dma queues */ |
8b2f0795 DH |
1923 | INIT_LIST_HEAD(&dev->vidq.active); |
1924 | INIT_LIST_HEAD(&dev->vidq.queued); | |
7f8eacd2 DH |
1925 | INIT_LIST_HEAD(&dev->vbiq.active); |
1926 | INIT_LIST_HEAD(&dev->vbiq.queued); | |
8b2f0795 | 1927 | |
78ca5005 DH |
1928 | dev->vid_timeout.function = au0828_vid_buffer_timeout; |
1929 | dev->vid_timeout.data = (unsigned long) dev; | |
1930 | init_timer(&dev->vid_timeout); | |
1931 | ||
1932 | dev->vbi_timeout.function = au0828_vbi_buffer_timeout; | |
1933 | dev->vbi_timeout.data = (unsigned long) dev; | |
1934 | init_timer(&dev->vbi_timeout); | |
1935 | ||
8b2f0795 DH |
1936 | dev->width = NTSC_STD_W; |
1937 | dev->height = NTSC_STD_H; | |
1938 | dev->field_size = dev->width * dev->height; | |
1939 | dev->frame_size = dev->field_size << 1; | |
1940 | dev->bytesperline = dev->width << 1; | |
1941 | dev->ctrl_ainput = 0; | |
1942 | ||
1943 | /* allocate and fill v4l2 video struct */ | |
1944 | dev->vdev = video_device_alloc(); | |
62899a28 | 1945 | if (NULL == dev->vdev) { |
8b2f0795 DH |
1946 | dprintk(1, "Can't allocate video_device.\n"); |
1947 | return -ENOMEM; | |
1948 | } | |
1949 | ||
7f8eacd2 | 1950 | /* allocate the VBI struct */ |
8b2f0795 | 1951 | dev->vbi_dev = video_device_alloc(); |
62899a28 | 1952 | if (NULL == dev->vbi_dev) { |
8b2f0795 DH |
1953 | dprintk(1, "Can't allocate vbi_device.\n"); |
1954 | kfree(dev->vdev); | |
1955 | return -ENOMEM; | |
1956 | } | |
1957 | ||
1958 | /* Fill the video capture device struct */ | |
1959 | *dev->vdev = au0828_video_template; | |
8b2f0795 DH |
1960 | dev->vdev->parent = &dev->usbdev->dev; |
1961 | strcpy(dev->vdev->name, "au0828a video"); | |
1962 | ||
1963 | /* Setup the VBI device */ | |
1964 | *dev->vbi_dev = au0828_video_template; | |
8b2f0795 DH |
1965 | dev->vbi_dev->parent = &dev->usbdev->dev; |
1966 | strcpy(dev->vbi_dev->name, "au0828a vbi"); | |
1967 | ||
8b2f0795 | 1968 | /* Register the v4l2 device */ |
63b0d5ad | 1969 | video_set_drvdata(dev->vdev, dev); |
62899a28 DH |
1970 | retval = video_register_device(dev->vdev, VFL_TYPE_GRABBER, -1); |
1971 | if (retval != 0) { | |
1972 | dprintk(1, "unable to register video device (error = %d).\n", | |
1973 | retval); | |
8b2f0795 DH |
1974 | video_device_release(dev->vdev); |
1975 | return -ENODEV; | |
1976 | } | |
1977 | ||
1978 | /* Register the vbi device */ | |
63b0d5ad | 1979 | video_set_drvdata(dev->vbi_dev, dev); |
62899a28 DH |
1980 | retval = video_register_device(dev->vbi_dev, VFL_TYPE_VBI, -1); |
1981 | if (retval != 0) { | |
1982 | dprintk(1, "unable to register vbi device (error = %d).\n", | |
1983 | retval); | |
8b2f0795 DH |
1984 | video_device_release(dev->vbi_dev); |
1985 | video_device_release(dev->vdev); | |
1986 | return -ENODEV; | |
1987 | } | |
1988 | ||
62899a28 | 1989 | dprintk(1, "%s completed!\n", __func__); |
8b2f0795 DH |
1990 | |
1991 | return 0; | |
1992 | } | |
1993 |