Commit | Line | Data |
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8b2f0795 DH |
1 | /* |
2 | * Auvitek AU0828 USB Bridge (Analog video support) | |
3 | * | |
4 | * Copyright (C) 2009 Devin Heitmueller <dheitmueller@linuxtv.org> | |
5 | * Copyright (C) 2005-2008 Auvitek International, Ltd. | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU General Public License | |
9 | * As published by the Free Software Foundation; either version 2 | |
10 | * of the License, or (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | |
20 | * 02110-1301, USA. | |
21 | */ | |
22 | ||
23 | /* Developer Notes: | |
24 | * | |
25 | * VBI support is not yet working | |
26 | * The hardware scaler supported is unimplemented | |
27 | * AC97 audio support is unimplemented (only i2s audio mode) | |
28 | * | |
29 | */ | |
30 | ||
31 | #include <linux/module.h> | |
5a0e3ad6 | 32 | #include <linux/slab.h> |
8b2f0795 DH |
33 | #include <linux/init.h> |
34 | #include <linux/device.h> | |
35 | #include <linux/suspend.h> | |
8b2f0795 DH |
36 | #include <media/v4l2-common.h> |
37 | #include <media/v4l2-ioctl.h> | |
83b09422 | 38 | #include <media/v4l2-event.h> |
8b2f0795 DH |
39 | #include <media/v4l2-chip-ident.h> |
40 | #include <media/tuner.h> | |
41 | #include "au0828.h" | |
42 | #include "au0828-reg.h" | |
43 | ||
8b2f0795 DH |
44 | static DEFINE_MUTEX(au0828_sysfs_lock); |
45 | ||
8b2f0795 DH |
46 | /* ------------------------------------------------------------------ |
47 | Videobuf operations | |
48 | ------------------------------------------------------------------*/ | |
49 | ||
50 | static unsigned int isoc_debug; | |
51 | module_param(isoc_debug, int, 0644); | |
52 | MODULE_PARM_DESC(isoc_debug, "enable debug messages [isoc transfers]"); | |
53 | ||
54 | #define au0828_isocdbg(fmt, arg...) \ | |
55 | do {\ | |
56 | if (isoc_debug) { \ | |
57 | printk(KERN_INFO "au0828 %s :"fmt, \ | |
58 | __func__ , ##arg); \ | |
59 | } \ | |
60 | } while (0) | |
61 | ||
fa09cb9a HV |
62 | static inline void i2c_gate_ctrl(struct au0828_dev *dev, int val) |
63 | { | |
64 | if (dev->dvb.frontend && dev->dvb.frontend->ops.analog_ops.i2c_gate_ctrl) | |
65 | dev->dvb.frontend->ops.analog_ops.i2c_gate_ctrl(dev->dvb.frontend, val); | |
66 | } | |
67 | ||
8b2f0795 DH |
68 | static inline void print_err_status(struct au0828_dev *dev, |
69 | int packet, int status) | |
70 | { | |
71 | char *errmsg = "Unknown"; | |
72 | ||
73 | switch (status) { | |
74 | case -ENOENT: | |
75 | errmsg = "unlinked synchronuously"; | |
76 | break; | |
77 | case -ECONNRESET: | |
78 | errmsg = "unlinked asynchronuously"; | |
79 | break; | |
80 | case -ENOSR: | |
81 | errmsg = "Buffer error (overrun)"; | |
82 | break; | |
83 | case -EPIPE: | |
84 | errmsg = "Stalled (device not responding)"; | |
85 | break; | |
86 | case -EOVERFLOW: | |
87 | errmsg = "Babble (bad cable?)"; | |
88 | break; | |
89 | case -EPROTO: | |
90 | errmsg = "Bit-stuff error (bad cable?)"; | |
91 | break; | |
92 | case -EILSEQ: | |
93 | errmsg = "CRC/Timeout (could be anything)"; | |
94 | break; | |
95 | case -ETIME: | |
96 | errmsg = "Device does not respond"; | |
97 | break; | |
98 | } | |
99 | if (packet < 0) { | |
100 | au0828_isocdbg("URB status %d [%s].\n", status, errmsg); | |
101 | } else { | |
102 | au0828_isocdbg("URB packet %d, status %d [%s].\n", | |
103 | packet, status, errmsg); | |
104 | } | |
105 | } | |
106 | ||
107 | static int check_dev(struct au0828_dev *dev) | |
108 | { | |
109 | if (dev->dev_state & DEV_DISCONNECTED) { | |
62899a28 | 110 | printk(KERN_INFO "v4l2 ioctl: device not present\n"); |
8b2f0795 DH |
111 | return -ENODEV; |
112 | } | |
113 | ||
114 | if (dev->dev_state & DEV_MISCONFIGURED) { | |
62899a28 | 115 | printk(KERN_INFO "v4l2 ioctl: device is misconfigured; " |
8b2f0795 DH |
116 | "close and open it again\n"); |
117 | return -EIO; | |
118 | } | |
119 | return 0; | |
120 | } | |
121 | ||
122 | /* | |
123 | * IRQ callback, called by URB callback | |
124 | */ | |
125 | static void au0828_irq_callback(struct urb *urb) | |
126 | { | |
127 | struct au0828_dmaqueue *dma_q = urb->context; | |
128 | struct au0828_dev *dev = container_of(dma_q, struct au0828_dev, vidq); | |
78ca5005 | 129 | unsigned long flags = 0; |
e92ba283 | 130 | int i; |
8b2f0795 DH |
131 | |
132 | switch (urb->status) { | |
133 | case 0: /* success */ | |
134 | case -ETIMEDOUT: /* NAK */ | |
135 | break; | |
136 | case -ECONNRESET: /* kill */ | |
137 | case -ENOENT: | |
138 | case -ESHUTDOWN: | |
139 | au0828_isocdbg("au0828_irq_callback called: status kill\n"); | |
140 | return; | |
141 | default: /* unknown error */ | |
142 | au0828_isocdbg("urb completition error %d.\n", urb->status); | |
143 | break; | |
144 | } | |
145 | ||
146 | /* Copy data from URB */ | |
78ca5005 | 147 | spin_lock_irqsave(&dev->slock, flags); |
e92ba283 | 148 | dev->isoc_ctl.isoc_copy(dev, urb); |
78ca5005 | 149 | spin_unlock_irqrestore(&dev->slock, flags); |
8b2f0795 DH |
150 | |
151 | /* Reset urb buffers */ | |
152 | for (i = 0; i < urb->number_of_packets; i++) { | |
153 | urb->iso_frame_desc[i].status = 0; | |
154 | urb->iso_frame_desc[i].actual_length = 0; | |
155 | } | |
156 | urb->status = 0; | |
157 | ||
158 | urb->status = usb_submit_urb(urb, GFP_ATOMIC); | |
159 | if (urb->status) { | |
160 | au0828_isocdbg("urb resubmit failed (error=%i)\n", | |
161 | urb->status); | |
162 | } | |
163 | } | |
164 | ||
165 | /* | |
166 | * Stop and Deallocate URBs | |
167 | */ | |
a094ca46 | 168 | static void au0828_uninit_isoc(struct au0828_dev *dev) |
8b2f0795 DH |
169 | { |
170 | struct urb *urb; | |
171 | int i; | |
172 | ||
173 | au0828_isocdbg("au0828: called au0828_uninit_isoc\n"); | |
174 | ||
175 | dev->isoc_ctl.nfields = -1; | |
176 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
177 | urb = dev->isoc_ctl.urb[i]; | |
178 | if (urb) { | |
179 | if (!irqs_disabled()) | |
180 | usb_kill_urb(urb); | |
181 | else | |
182 | usb_unlink_urb(urb); | |
183 | ||
184 | if (dev->isoc_ctl.transfer_buffer[i]) { | |
997ea58e | 185 | usb_free_coherent(dev->usbdev, |
8b2f0795 DH |
186 | urb->transfer_buffer_length, |
187 | dev->isoc_ctl.transfer_buffer[i], | |
188 | urb->transfer_dma); | |
189 | } | |
190 | usb_free_urb(urb); | |
191 | dev->isoc_ctl.urb[i] = NULL; | |
192 | } | |
193 | dev->isoc_ctl.transfer_buffer[i] = NULL; | |
194 | } | |
195 | ||
196 | kfree(dev->isoc_ctl.urb); | |
197 | kfree(dev->isoc_ctl.transfer_buffer); | |
198 | ||
199 | dev->isoc_ctl.urb = NULL; | |
200 | dev->isoc_ctl.transfer_buffer = NULL; | |
201 | dev->isoc_ctl.num_bufs = 0; | |
202 | } | |
203 | ||
204 | /* | |
205 | * Allocate URBs and start IRQ | |
206 | */ | |
a094ca46 MCC |
207 | static int au0828_init_isoc(struct au0828_dev *dev, int max_packets, |
208 | int num_bufs, int max_pkt_size, | |
209 | int (*isoc_copy) (struct au0828_dev *dev, struct urb *urb)) | |
8b2f0795 DH |
210 | { |
211 | struct au0828_dmaqueue *dma_q = &dev->vidq; | |
212 | int i; | |
213 | int sb_size, pipe; | |
214 | struct urb *urb; | |
215 | int j, k; | |
216 | int rc; | |
217 | ||
218 | au0828_isocdbg("au0828: called au0828_prepare_isoc\n"); | |
219 | ||
220 | /* De-allocates all pending stuff */ | |
221 | au0828_uninit_isoc(dev); | |
222 | ||
223 | dev->isoc_ctl.isoc_copy = isoc_copy; | |
224 | dev->isoc_ctl.num_bufs = num_bufs; | |
225 | ||
226 | dev->isoc_ctl.urb = kzalloc(sizeof(void *)*num_bufs, GFP_KERNEL); | |
227 | if (!dev->isoc_ctl.urb) { | |
228 | au0828_isocdbg("cannot alloc memory for usb buffers\n"); | |
229 | return -ENOMEM; | |
230 | } | |
231 | ||
232 | dev->isoc_ctl.transfer_buffer = kzalloc(sizeof(void *)*num_bufs, | |
233 | GFP_KERNEL); | |
234 | if (!dev->isoc_ctl.transfer_buffer) { | |
235 | au0828_isocdbg("cannot allocate memory for usb transfer\n"); | |
236 | kfree(dev->isoc_ctl.urb); | |
237 | return -ENOMEM; | |
238 | } | |
239 | ||
240 | dev->isoc_ctl.max_pkt_size = max_pkt_size; | |
241 | dev->isoc_ctl.buf = NULL; | |
242 | ||
243 | sb_size = max_packets * dev->isoc_ctl.max_pkt_size; | |
244 | ||
245 | /* allocate urbs and transfer buffers */ | |
246 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
247 | urb = usb_alloc_urb(max_packets, GFP_KERNEL); | |
248 | if (!urb) { | |
249 | au0828_isocdbg("cannot alloc isoc_ctl.urb %i\n", i); | |
250 | au0828_uninit_isoc(dev); | |
251 | return -ENOMEM; | |
252 | } | |
253 | dev->isoc_ctl.urb[i] = urb; | |
254 | ||
997ea58e | 255 | dev->isoc_ctl.transfer_buffer[i] = usb_alloc_coherent(dev->usbdev, |
8b2f0795 DH |
256 | sb_size, GFP_KERNEL, &urb->transfer_dma); |
257 | if (!dev->isoc_ctl.transfer_buffer[i]) { | |
258 | printk("unable to allocate %i bytes for transfer" | |
259 | " buffer %i%s\n", | |
260 | sb_size, i, | |
261 | in_interrupt() ? " while in int" : ""); | |
262 | au0828_uninit_isoc(dev); | |
263 | return -ENOMEM; | |
264 | } | |
265 | memset(dev->isoc_ctl.transfer_buffer[i], 0, sb_size); | |
266 | ||
267 | pipe = usb_rcvisocpipe(dev->usbdev, | |
268 | dev->isoc_in_endpointaddr), | |
269 | ||
270 | usb_fill_int_urb(urb, dev->usbdev, pipe, | |
271 | dev->isoc_ctl.transfer_buffer[i], sb_size, | |
272 | au0828_irq_callback, dma_q, 1); | |
273 | ||
274 | urb->number_of_packets = max_packets; | |
fadadb7d | 275 | urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; |
8b2f0795 DH |
276 | |
277 | k = 0; | |
278 | for (j = 0; j < max_packets; j++) { | |
279 | urb->iso_frame_desc[j].offset = k; | |
280 | urb->iso_frame_desc[j].length = | |
281 | dev->isoc_ctl.max_pkt_size; | |
282 | k += dev->isoc_ctl.max_pkt_size; | |
283 | } | |
284 | } | |
285 | ||
286 | init_waitqueue_head(&dma_q->wq); | |
287 | ||
288 | /* submit urbs and enables IRQ */ | |
289 | for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { | |
290 | rc = usb_submit_urb(dev->isoc_ctl.urb[i], GFP_ATOMIC); | |
291 | if (rc) { | |
292 | au0828_isocdbg("submit of urb %i failed (error=%i)\n", | |
293 | i, rc); | |
294 | au0828_uninit_isoc(dev); | |
295 | return rc; | |
296 | } | |
297 | } | |
298 | ||
299 | return 0; | |
300 | } | |
301 | ||
302 | /* | |
303 | * Announces that a buffer were filled and request the next | |
304 | */ | |
305 | static inline void buffer_filled(struct au0828_dev *dev, | |
306 | struct au0828_dmaqueue *dma_q, | |
307 | struct au0828_buffer *buf) | |
308 | { | |
309 | /* Advice that buffer was filled */ | |
310 | au0828_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i); | |
311 | ||
312 | buf->vb.state = VIDEOBUF_DONE; | |
313 | buf->vb.field_count++; | |
8e6057b5 | 314 | v4l2_get_timestamp(&buf->vb.ts); |
8b2f0795 DH |
315 | |
316 | dev->isoc_ctl.buf = NULL; | |
317 | ||
318 | list_del(&buf->vb.queue); | |
319 | wake_up(&buf->vb.done); | |
320 | } | |
321 | ||
7f8eacd2 DH |
322 | static inline void vbi_buffer_filled(struct au0828_dev *dev, |
323 | struct au0828_dmaqueue *dma_q, | |
324 | struct au0828_buffer *buf) | |
325 | { | |
326 | /* Advice that buffer was filled */ | |
327 | au0828_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i); | |
328 | ||
329 | buf->vb.state = VIDEOBUF_DONE; | |
330 | buf->vb.field_count++; | |
8e6057b5 | 331 | v4l2_get_timestamp(&buf->vb.ts); |
7f8eacd2 DH |
332 | |
333 | dev->isoc_ctl.vbi_buf = NULL; | |
334 | ||
335 | list_del(&buf->vb.queue); | |
336 | wake_up(&buf->vb.done); | |
337 | } | |
338 | ||
8b2f0795 DH |
339 | /* |
340 | * Identify the buffer header type and properly handles | |
341 | */ | |
342 | static void au0828_copy_video(struct au0828_dev *dev, | |
343 | struct au0828_dmaqueue *dma_q, | |
344 | struct au0828_buffer *buf, | |
345 | unsigned char *p, | |
346 | unsigned char *outp, unsigned long len) | |
347 | { | |
348 | void *fieldstart, *startwrite, *startread; | |
349 | int linesdone, currlinedone, offset, lencopy, remain; | |
350 | int bytesperline = dev->width << 1; /* Assumes 16-bit depth @@@@ */ | |
351 | ||
7f8eacd2 DH |
352 | if (len == 0) |
353 | return; | |
354 | ||
8b2f0795 DH |
355 | if (dma_q->pos + len > buf->vb.size) |
356 | len = buf->vb.size - dma_q->pos; | |
357 | ||
358 | startread = p; | |
359 | remain = len; | |
360 | ||
361 | /* Interlaces frame */ | |
362 | if (buf->top_field) | |
363 | fieldstart = outp; | |
364 | else | |
365 | fieldstart = outp + bytesperline; | |
366 | ||
367 | linesdone = dma_q->pos / bytesperline; | |
368 | currlinedone = dma_q->pos % bytesperline; | |
369 | offset = linesdone * bytesperline * 2 + currlinedone; | |
370 | startwrite = fieldstart + offset; | |
371 | lencopy = bytesperline - currlinedone; | |
372 | lencopy = lencopy > remain ? remain : lencopy; | |
373 | ||
374 | if ((char *)startwrite + lencopy > (char *)outp + buf->vb.size) { | |
375 | au0828_isocdbg("Overflow of %zi bytes past buffer end (1)\n", | |
376 | ((char *)startwrite + lencopy) - | |
377 | ((char *)outp + buf->vb.size)); | |
378 | remain = (char *)outp + buf->vb.size - (char *)startwrite; | |
379 | lencopy = remain; | |
380 | } | |
381 | if (lencopy <= 0) | |
382 | return; | |
383 | memcpy(startwrite, startread, lencopy); | |
384 | ||
385 | remain -= lencopy; | |
386 | ||
387 | while (remain > 0) { | |
388 | startwrite += lencopy + bytesperline; | |
389 | startread += lencopy; | |
390 | if (bytesperline > remain) | |
391 | lencopy = remain; | |
392 | else | |
393 | lencopy = bytesperline; | |
394 | ||
395 | if ((char *)startwrite + lencopy > (char *)outp + | |
396 | buf->vb.size) { | |
62899a28 | 397 | au0828_isocdbg("Overflow %zi bytes past buf end (2)\n", |
8b2f0795 DH |
398 | ((char *)startwrite + lencopy) - |
399 | ((char *)outp + buf->vb.size)); | |
400 | lencopy = remain = (char *)outp + buf->vb.size - | |
401 | (char *)startwrite; | |
402 | } | |
403 | if (lencopy <= 0) | |
404 | break; | |
405 | ||
406 | memcpy(startwrite, startread, lencopy); | |
407 | ||
408 | remain -= lencopy; | |
409 | } | |
410 | ||
411 | if (offset > 1440) { | |
412 | /* We have enough data to check for greenscreen */ | |
62899a28 | 413 | if (outp[0] < 0x60 && outp[1440] < 0x60) |
8b2f0795 | 414 | dev->greenscreen_detected = 1; |
8b2f0795 DH |
415 | } |
416 | ||
417 | dma_q->pos += len; | |
418 | } | |
419 | ||
420 | /* | |
421 | * video-buf generic routine to get the next available buffer | |
422 | */ | |
423 | static inline void get_next_buf(struct au0828_dmaqueue *dma_q, | |
424 | struct au0828_buffer **buf) | |
425 | { | |
426 | struct au0828_dev *dev = container_of(dma_q, struct au0828_dev, vidq); | |
427 | ||
428 | if (list_empty(&dma_q->active)) { | |
429 | au0828_isocdbg("No active queue to serve\n"); | |
430 | dev->isoc_ctl.buf = NULL; | |
431 | *buf = NULL; | |
432 | return; | |
433 | } | |
434 | ||
435 | /* Get the next buffer */ | |
436 | *buf = list_entry(dma_q->active.next, struct au0828_buffer, vb.queue); | |
437 | dev->isoc_ctl.buf = *buf; | |
438 | ||
439 | return; | |
440 | } | |
441 | ||
7f8eacd2 DH |
442 | static void au0828_copy_vbi(struct au0828_dev *dev, |
443 | struct au0828_dmaqueue *dma_q, | |
444 | struct au0828_buffer *buf, | |
445 | unsigned char *p, | |
446 | unsigned char *outp, unsigned long len) | |
447 | { | |
448 | unsigned char *startwrite, *startread; | |
b5f5933a | 449 | int bytesperline; |
7f8eacd2 DH |
450 | int i, j = 0; |
451 | ||
452 | if (dev == NULL) { | |
453 | au0828_isocdbg("dev is null\n"); | |
454 | return; | |
455 | } | |
456 | ||
457 | if (dma_q == NULL) { | |
458 | au0828_isocdbg("dma_q is null\n"); | |
459 | return; | |
460 | } | |
461 | if (buf == NULL) | |
462 | return; | |
463 | if (p == NULL) { | |
464 | au0828_isocdbg("p is null\n"); | |
465 | return; | |
466 | } | |
467 | if (outp == NULL) { | |
468 | au0828_isocdbg("outp is null\n"); | |
469 | return; | |
470 | } | |
471 | ||
b5f5933a DC |
472 | bytesperline = dev->vbi_width; |
473 | ||
7f8eacd2 DH |
474 | if (dma_q->pos + len > buf->vb.size) |
475 | len = buf->vb.size - dma_q->pos; | |
476 | ||
477 | startread = p; | |
478 | startwrite = outp + (dma_q->pos / 2); | |
479 | ||
480 | /* Make sure the bottom field populates the second half of the frame */ | |
481 | if (buf->top_field == 0) | |
482 | startwrite += bytesperline * dev->vbi_height; | |
483 | ||
484 | for (i = 0; i < len; i += 2) | |
485 | startwrite[j++] = startread[i+1]; | |
486 | ||
487 | dma_q->pos += len; | |
488 | } | |
489 | ||
490 | ||
491 | /* | |
492 | * video-buf generic routine to get the next available VBI buffer | |
493 | */ | |
494 | static inline void vbi_get_next_buf(struct au0828_dmaqueue *dma_q, | |
495 | struct au0828_buffer **buf) | |
496 | { | |
497 | struct au0828_dev *dev = container_of(dma_q, struct au0828_dev, vbiq); | |
498 | char *outp; | |
499 | ||
500 | if (list_empty(&dma_q->active)) { | |
501 | au0828_isocdbg("No active queue to serve\n"); | |
502 | dev->isoc_ctl.vbi_buf = NULL; | |
503 | *buf = NULL; | |
504 | return; | |
505 | } | |
506 | ||
507 | /* Get the next buffer */ | |
508 | *buf = list_entry(dma_q->active.next, struct au0828_buffer, vb.queue); | |
25985edc | 509 | /* Cleans up buffer - Useful for testing for frame/URB loss */ |
7f8eacd2 DH |
510 | outp = videobuf_to_vmalloc(&(*buf)->vb); |
511 | memset(outp, 0x00, (*buf)->vb.size); | |
512 | ||
513 | dev->isoc_ctl.vbi_buf = *buf; | |
514 | ||
515 | return; | |
516 | } | |
517 | ||
8b2f0795 DH |
518 | /* |
519 | * Controls the isoc copy of each urb packet | |
520 | */ | |
521 | static inline int au0828_isoc_copy(struct au0828_dev *dev, struct urb *urb) | |
522 | { | |
523 | struct au0828_buffer *buf; | |
7f8eacd2 | 524 | struct au0828_buffer *vbi_buf; |
8b2f0795 | 525 | struct au0828_dmaqueue *dma_q = urb->context; |
7f8eacd2 | 526 | struct au0828_dmaqueue *vbi_dma_q = &dev->vbiq; |
8b2f0795 | 527 | unsigned char *outp = NULL; |
7f8eacd2 | 528 | unsigned char *vbioutp = NULL; |
8b2f0795 DH |
529 | int i, len = 0, rc = 1; |
530 | unsigned char *p; | |
531 | unsigned char fbyte; | |
7f8eacd2 DH |
532 | unsigned int vbi_field_size; |
533 | unsigned int remain, lencopy; | |
8b2f0795 DH |
534 | |
535 | if (!dev) | |
536 | return 0; | |
537 | ||
538 | if ((dev->dev_state & DEV_DISCONNECTED) || | |
539 | (dev->dev_state & DEV_MISCONFIGURED)) | |
540 | return 0; | |
541 | ||
542 | if (urb->status < 0) { | |
543 | print_err_status(dev, -1, urb->status); | |
544 | if (urb->status == -ENOENT) | |
545 | return 0; | |
546 | } | |
547 | ||
548 | buf = dev->isoc_ctl.buf; | |
549 | if (buf != NULL) | |
550 | outp = videobuf_to_vmalloc(&buf->vb); | |
551 | ||
7f8eacd2 DH |
552 | vbi_buf = dev->isoc_ctl.vbi_buf; |
553 | if (vbi_buf != NULL) | |
554 | vbioutp = videobuf_to_vmalloc(&vbi_buf->vb); | |
555 | ||
8b2f0795 DH |
556 | for (i = 0; i < urb->number_of_packets; i++) { |
557 | int status = urb->iso_frame_desc[i].status; | |
558 | ||
559 | if (status < 0) { | |
560 | print_err_status(dev, i, status); | |
561 | if (urb->iso_frame_desc[i].status != -EPROTO) | |
562 | continue; | |
563 | } | |
564 | ||
62899a28 | 565 | if (urb->iso_frame_desc[i].actual_length <= 0) |
8b2f0795 | 566 | continue; |
62899a28 | 567 | |
8b2f0795 DH |
568 | if (urb->iso_frame_desc[i].actual_length > |
569 | dev->max_pkt_size) { | |
570 | au0828_isocdbg("packet bigger than packet size"); | |
571 | continue; | |
572 | } | |
573 | ||
574 | p = urb->transfer_buffer + urb->iso_frame_desc[i].offset; | |
575 | fbyte = p[0]; | |
576 | len = urb->iso_frame_desc[i].actual_length - 4; | |
577 | p += 4; | |
578 | ||
579 | if (fbyte & 0x80) { | |
580 | len -= 4; | |
581 | p += 4; | |
582 | au0828_isocdbg("Video frame %s\n", | |
583 | (fbyte & 0x40) ? "odd" : "even"); | |
bde3bb9a | 584 | if (fbyte & 0x40) { |
7f8eacd2 DH |
585 | /* VBI */ |
586 | if (vbi_buf != NULL) | |
587 | vbi_buffer_filled(dev, | |
588 | vbi_dma_q, | |
589 | vbi_buf); | |
590 | vbi_get_next_buf(vbi_dma_q, &vbi_buf); | |
591 | if (vbi_buf == NULL) | |
592 | vbioutp = NULL; | |
593 | else | |
594 | vbioutp = videobuf_to_vmalloc( | |
595 | &vbi_buf->vb); | |
596 | ||
597 | /* Video */ | |
8b2f0795 DH |
598 | if (buf != NULL) |
599 | buffer_filled(dev, dma_q, buf); | |
600 | get_next_buf(dma_q, &buf); | |
62899a28 | 601 | if (buf == NULL) |
8b2f0795 | 602 | outp = NULL; |
62899a28 | 603 | else |
8b2f0795 | 604 | outp = videobuf_to_vmalloc(&buf->vb); |
78ca5005 DH |
605 | |
606 | /* As long as isoc traffic is arriving, keep | |
607 | resetting the timer */ | |
608 | if (dev->vid_timeout_running) | |
609 | mod_timer(&dev->vid_timeout, | |
610 | jiffies + (HZ / 10)); | |
611 | if (dev->vbi_timeout_running) | |
612 | mod_timer(&dev->vbi_timeout, | |
613 | jiffies + (HZ / 10)); | |
8b2f0795 DH |
614 | } |
615 | ||
616 | if (buf != NULL) { | |
62899a28 | 617 | if (fbyte & 0x40) |
8b2f0795 | 618 | buf->top_field = 1; |
62899a28 | 619 | else |
8b2f0795 | 620 | buf->top_field = 0; |
8b2f0795 DH |
621 | } |
622 | ||
7f8eacd2 DH |
623 | if (vbi_buf != NULL) { |
624 | if (fbyte & 0x40) | |
625 | vbi_buf->top_field = 1; | |
626 | else | |
627 | vbi_buf->top_field = 0; | |
628 | } | |
629 | ||
630 | dev->vbi_read = 0; | |
631 | vbi_dma_q->pos = 0; | |
8b2f0795 DH |
632 | dma_q->pos = 0; |
633 | } | |
7f8eacd2 DH |
634 | |
635 | vbi_field_size = dev->vbi_width * dev->vbi_height * 2; | |
636 | if (dev->vbi_read < vbi_field_size) { | |
637 | remain = vbi_field_size - dev->vbi_read; | |
638 | if (len < remain) | |
639 | lencopy = len; | |
640 | else | |
641 | lencopy = remain; | |
642 | ||
643 | if (vbi_buf != NULL) | |
644 | au0828_copy_vbi(dev, vbi_dma_q, vbi_buf, p, | |
645 | vbioutp, len); | |
646 | ||
647 | len -= lencopy; | |
648 | p += lencopy; | |
649 | dev->vbi_read += lencopy; | |
650 | } | |
651 | ||
652 | if (dev->vbi_read >= vbi_field_size && buf != NULL) | |
8b2f0795 | 653 | au0828_copy_video(dev, dma_q, buf, p, outp, len); |
8b2f0795 DH |
654 | } |
655 | return rc; | |
656 | } | |
657 | ||
658 | static int | |
659 | buffer_setup(struct videobuf_queue *vq, unsigned int *count, | |
660 | unsigned int *size) | |
661 | { | |
662 | struct au0828_fh *fh = vq->priv_data; | |
663 | *size = (fh->dev->width * fh->dev->height * 16 + 7) >> 3; | |
664 | ||
665 | if (0 == *count) | |
666 | *count = AU0828_DEF_BUF; | |
667 | ||
668 | if (*count < AU0828_MIN_BUF) | |
669 | *count = AU0828_MIN_BUF; | |
670 | return 0; | |
671 | } | |
672 | ||
673 | /* This is called *without* dev->slock held; please keep it that way */ | |
674 | static void free_buffer(struct videobuf_queue *vq, struct au0828_buffer *buf) | |
675 | { | |
676 | struct au0828_fh *fh = vq->priv_data; | |
677 | struct au0828_dev *dev = fh->dev; | |
678 | unsigned long flags = 0; | |
679 | if (in_interrupt()) | |
680 | BUG(); | |
681 | ||
682 | /* We used to wait for the buffer to finish here, but this didn't work | |
683 | because, as we were keeping the state as VIDEOBUF_QUEUED, | |
684 | videobuf_queue_cancel marked it as finished for us. | |
685 | (Also, it could wedge forever if the hardware was misconfigured.) | |
686 | ||
687 | This should be safe; by the time we get here, the buffer isn't | |
688 | queued anymore. If we ever start marking the buffers as | |
689 | VIDEOBUF_ACTIVE, it won't be, though. | |
690 | */ | |
691 | spin_lock_irqsave(&dev->slock, flags); | |
692 | if (dev->isoc_ctl.buf == buf) | |
693 | dev->isoc_ctl.buf = NULL; | |
694 | spin_unlock_irqrestore(&dev->slock, flags); | |
695 | ||
696 | videobuf_vmalloc_free(&buf->vb); | |
697 | buf->vb.state = VIDEOBUF_NEEDS_INIT; | |
698 | } | |
699 | ||
700 | static int | |
701 | buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, | |
702 | enum v4l2_field field) | |
703 | { | |
704 | struct au0828_fh *fh = vq->priv_data; | |
705 | struct au0828_buffer *buf = container_of(vb, struct au0828_buffer, vb); | |
706 | struct au0828_dev *dev = fh->dev; | |
707 | int rc = 0, urb_init = 0; | |
708 | ||
709 | buf->vb.size = (fh->dev->width * fh->dev->height * 16 + 7) >> 3; | |
710 | ||
711 | if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) | |
712 | return -EINVAL; | |
713 | ||
714 | buf->vb.width = dev->width; | |
715 | buf->vb.height = dev->height; | |
716 | buf->vb.field = field; | |
717 | ||
718 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { | |
719 | rc = videobuf_iolock(vq, &buf->vb, NULL); | |
720 | if (rc < 0) { | |
62899a28 | 721 | printk(KERN_INFO "videobuf_iolock failed\n"); |
8b2f0795 DH |
722 | goto fail; |
723 | } | |
724 | } | |
725 | ||
726 | if (!dev->isoc_ctl.num_bufs) | |
727 | urb_init = 1; | |
728 | ||
729 | if (urb_init) { | |
730 | rc = au0828_init_isoc(dev, AU0828_ISO_PACKETS_PER_URB, | |
731 | AU0828_MAX_ISO_BUFS, dev->max_pkt_size, | |
732 | au0828_isoc_copy); | |
733 | if (rc < 0) { | |
62899a28 | 734 | printk(KERN_INFO "au0828_init_isoc failed\n"); |
8b2f0795 DH |
735 | goto fail; |
736 | } | |
737 | } | |
738 | ||
739 | buf->vb.state = VIDEOBUF_PREPARED; | |
740 | return 0; | |
741 | ||
742 | fail: | |
743 | free_buffer(vq, buf); | |
744 | return rc; | |
745 | } | |
746 | ||
747 | static void | |
748 | buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) | |
749 | { | |
750 | struct au0828_buffer *buf = container_of(vb, | |
751 | struct au0828_buffer, | |
752 | vb); | |
753 | struct au0828_fh *fh = vq->priv_data; | |
754 | struct au0828_dev *dev = fh->dev; | |
755 | struct au0828_dmaqueue *vidq = &dev->vidq; | |
756 | ||
757 | buf->vb.state = VIDEOBUF_QUEUED; | |
758 | list_add_tail(&buf->vb.queue, &vidq->active); | |
759 | } | |
760 | ||
761 | static void buffer_release(struct videobuf_queue *vq, | |
762 | struct videobuf_buffer *vb) | |
763 | { | |
764 | struct au0828_buffer *buf = container_of(vb, | |
765 | struct au0828_buffer, | |
766 | vb); | |
767 | ||
768 | free_buffer(vq, buf); | |
769 | } | |
770 | ||
771 | static struct videobuf_queue_ops au0828_video_qops = { | |
772 | .buf_setup = buffer_setup, | |
773 | .buf_prepare = buffer_prepare, | |
774 | .buf_queue = buffer_queue, | |
775 | .buf_release = buffer_release, | |
776 | }; | |
777 | ||
778 | /* ------------------------------------------------------------------ | |
779 | V4L2 interface | |
780 | ------------------------------------------------------------------*/ | |
781 | ||
782 | static int au0828_i2s_init(struct au0828_dev *dev) | |
783 | { | |
784 | /* Enable i2s mode */ | |
785 | au0828_writereg(dev, AU0828_AUDIOCTRL_50C, 0x01); | |
786 | return 0; | |
787 | } | |
788 | ||
789 | /* | |
790 | * Auvitek au0828 analog stream enable | |
791 | * Please set interface0 to AS5 before enable the stream | |
792 | */ | |
a094ca46 | 793 | static int au0828_analog_stream_enable(struct au0828_dev *d) |
8b2f0795 DH |
794 | { |
795 | dprintk(1, "au0828_analog_stream_enable called\n"); | |
796 | au0828_writereg(d, AU0828_SENSORCTRL_VBI_103, 0x00); | |
797 | au0828_writereg(d, 0x106, 0x00); | |
798 | /* set x position */ | |
799 | au0828_writereg(d, 0x110, 0x00); | |
800 | au0828_writereg(d, 0x111, 0x00); | |
801 | au0828_writereg(d, 0x114, 0xa0); | |
802 | au0828_writereg(d, 0x115, 0x05); | |
803 | /* set y position */ | |
7f8eacd2 | 804 | au0828_writereg(d, 0x112, 0x00); |
8b2f0795 DH |
805 | au0828_writereg(d, 0x113, 0x00); |
806 | au0828_writereg(d, 0x116, 0xf2); | |
807 | au0828_writereg(d, 0x117, 0x00); | |
808 | au0828_writereg(d, AU0828_SENSORCTRL_100, 0xb3); | |
809 | ||
810 | return 0; | |
811 | } | |
812 | ||
813 | int au0828_analog_stream_disable(struct au0828_dev *d) | |
814 | { | |
815 | dprintk(1, "au0828_analog_stream_disable called\n"); | |
816 | au0828_writereg(d, AU0828_SENSORCTRL_100, 0x0); | |
817 | return 0; | |
818 | } | |
819 | ||
a094ca46 | 820 | static void au0828_analog_stream_reset(struct au0828_dev *dev) |
8b2f0795 DH |
821 | { |
822 | dprintk(1, "au0828_analog_stream_reset called\n"); | |
823 | au0828_writereg(dev, AU0828_SENSORCTRL_100, 0x0); | |
824 | mdelay(30); | |
825 | au0828_writereg(dev, AU0828_SENSORCTRL_100, 0xb3); | |
826 | } | |
827 | ||
828 | /* | |
829 | * Some operations needs to stop current streaming | |
830 | */ | |
831 | static int au0828_stream_interrupt(struct au0828_dev *dev) | |
832 | { | |
833 | int ret = 0; | |
834 | ||
835 | dev->stream_state = STREAM_INTERRUPT; | |
62899a28 | 836 | if (dev->dev_state == DEV_DISCONNECTED) |
8b2f0795 | 837 | return -ENODEV; |
62899a28 | 838 | else if (ret) { |
8b2f0795 | 839 | dev->dev_state = DEV_MISCONFIGURED; |
62899a28 | 840 | dprintk(1, "%s device is misconfigured!\n", __func__); |
8b2f0795 DH |
841 | return ret; |
842 | } | |
843 | return 0; | |
844 | } | |
845 | ||
846 | /* | |
847 | * au0828_release_resources | |
848 | * unregister v4l2 devices | |
849 | */ | |
850 | void au0828_analog_unregister(struct au0828_dev *dev) | |
851 | { | |
852 | dprintk(1, "au0828_release_resources called\n"); | |
853 | mutex_lock(&au0828_sysfs_lock); | |
854 | ||
63b0d5ad | 855 | if (dev->vdev) |
5a5a4e16 DH |
856 | video_unregister_device(dev->vdev); |
857 | if (dev->vbi_dev) | |
858 | video_unregister_device(dev->vbi_dev); | |
8b2f0795 DH |
859 | |
860 | mutex_unlock(&au0828_sysfs_lock); | |
861 | } | |
862 | ||
863 | ||
864 | /* Usage lock check functions */ | |
7f8eacd2 | 865 | static int res_get(struct au0828_fh *fh, unsigned int bit) |
8b2f0795 | 866 | { |
7f8eacd2 | 867 | struct au0828_dev *dev = fh->dev; |
8b2f0795 | 868 | |
7f8eacd2 DH |
869 | if (fh->resources & bit) |
870 | /* have it already allocated */ | |
871 | return 1; | |
8b2f0795 | 872 | |
7f8eacd2 | 873 | /* is it free? */ |
7f8eacd2 DH |
874 | if (dev->resources & bit) { |
875 | /* no, someone else uses it */ | |
7f8eacd2 DH |
876 | return 0; |
877 | } | |
878 | /* it's free, grab it */ | |
879 | fh->resources |= bit; | |
880 | dev->resources |= bit; | |
881 | dprintk(1, "res: get %d\n", bit); | |
549ee4df | 882 | |
7f8eacd2 DH |
883 | return 1; |
884 | } | |
8b2f0795 | 885 | |
7f8eacd2 DH |
886 | static int res_check(struct au0828_fh *fh, unsigned int bit) |
887 | { | |
888 | return fh->resources & bit; | |
8b2f0795 DH |
889 | } |
890 | ||
7f8eacd2 | 891 | static int res_locked(struct au0828_dev *dev, unsigned int bit) |
8b2f0795 | 892 | { |
7f8eacd2 | 893 | return dev->resources & bit; |
8b2f0795 DH |
894 | } |
895 | ||
7f8eacd2 | 896 | static void res_free(struct au0828_fh *fh, unsigned int bits) |
8b2f0795 | 897 | { |
7f8eacd2 DH |
898 | struct au0828_dev *dev = fh->dev; |
899 | ||
900 | BUG_ON((fh->resources & bits) != bits); | |
8b2f0795 | 901 | |
7f8eacd2 DH |
902 | fh->resources &= ~bits; |
903 | dev->resources &= ~bits; | |
904 | dprintk(1, "res: put %d\n", bits); | |
7f8eacd2 DH |
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) */ | |
a094ca46 | 923 | static void au0828_vid_buffer_timeout(unsigned long data) |
6e04b7b9 DH |
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 | ||
a094ca46 | 947 | static void au0828_vbi_buffer_timeout(unsigned long data) |
6e04b7b9 DH |
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; | |
83b09422 | 998 | v4l2_fh_init(&fh->fh, vdev); |
8b2f0795 DH |
999 | filp->private_data = fh; |
1000 | ||
62899a28 | 1001 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->users == 0) { |
8b2f0795 DH |
1002 | /* set au0828 interface0 to AS5 here again */ |
1003 | ret = usb_set_interface(dev->usbdev, 0, 5); | |
62899a28 DH |
1004 | if (ret < 0) { |
1005 | printk(KERN_INFO "Au0828 can't set alternate to 5!\n"); | |
8b2f0795 DH |
1006 | return -EBUSY; |
1007 | } | |
1008 | dev->width = NTSC_STD_W; | |
1009 | dev->height = NTSC_STD_H; | |
1010 | dev->frame_size = dev->width * dev->height * 2; | |
1011 | dev->field_size = dev->width * dev->height; | |
1012 | dev->bytesperline = dev->width * 2; | |
1013 | ||
1014 | au0828_analog_stream_enable(dev); | |
1015 | au0828_analog_stream_reset(dev); | |
1016 | ||
1017 | /* If we were doing ac97 instead of i2s, it would go here...*/ | |
1018 | au0828_i2s_init(dev); | |
1019 | ||
1020 | dev->stream_state = STREAM_OFF; | |
1021 | dev->dev_state |= DEV_INITIALIZED; | |
1022 | } | |
1023 | ||
1024 | dev->users++; | |
1025 | ||
1026 | videobuf_queue_vmalloc_init(&fh->vb_vidq, &au0828_video_qops, | |
7f8eacd2 DH |
1027 | NULL, &dev->slock, |
1028 | V4L2_BUF_TYPE_VIDEO_CAPTURE, | |
8b2f0795 | 1029 | V4L2_FIELD_INTERLACED, |
549ee4df DH |
1030 | sizeof(struct au0828_buffer), fh, |
1031 | &dev->lock); | |
8b2f0795 | 1032 | |
7f8eacd2 DH |
1033 | /* VBI Setup */ |
1034 | dev->vbi_width = 720; | |
1035 | dev->vbi_height = 1; | |
1036 | videobuf_queue_vmalloc_init(&fh->vb_vbiq, &au0828_vbi_qops, | |
1037 | NULL, &dev->slock, | |
1038 | V4L2_BUF_TYPE_VBI_CAPTURE, | |
1039 | V4L2_FIELD_SEQ_TB, | |
549ee4df DH |
1040 | sizeof(struct au0828_buffer), fh, |
1041 | &dev->lock); | |
83b09422 | 1042 | v4l2_fh_add(&fh->fh); |
8b2f0795 DH |
1043 | return ret; |
1044 | } | |
1045 | ||
1046 | static int au0828_v4l2_close(struct file *filp) | |
1047 | { | |
1048 | int ret; | |
1049 | struct au0828_fh *fh = filp->private_data; | |
1050 | struct au0828_dev *dev = fh->dev; | |
1051 | ||
83b09422 HV |
1052 | v4l2_fh_del(&fh->fh); |
1053 | v4l2_fh_exit(&fh->fh); | |
7f8eacd2 | 1054 | if (res_check(fh, AU0828_RESOURCE_VIDEO)) { |
78ca5005 DH |
1055 | /* Cancel timeout thread in case they didn't call streamoff */ |
1056 | dev->vid_timeout_running = 0; | |
1057 | del_timer_sync(&dev->vid_timeout); | |
1058 | ||
8b2f0795 | 1059 | videobuf_stop(&fh->vb_vidq); |
7f8eacd2 DH |
1060 | res_free(fh, AU0828_RESOURCE_VIDEO); |
1061 | } | |
8b2f0795 | 1062 | |
7f8eacd2 | 1063 | if (res_check(fh, AU0828_RESOURCE_VBI)) { |
78ca5005 DH |
1064 | /* Cancel timeout thread in case they didn't call streamoff */ |
1065 | dev->vbi_timeout_running = 0; | |
1066 | del_timer_sync(&dev->vbi_timeout); | |
1067 | ||
7f8eacd2 DH |
1068 | videobuf_stop(&fh->vb_vbiq); |
1069 | res_free(fh, AU0828_RESOURCE_VBI); | |
1070 | } | |
1071 | ||
823beb7e | 1072 | if (dev->users == 1 && video_is_registered(video_devdata(filp))) { |
8b2f0795 DH |
1073 | au0828_analog_stream_disable(dev); |
1074 | ||
1075 | au0828_uninit_isoc(dev); | |
1076 | ||
e4b8bc52 | 1077 | /* Save some power by putting tuner to sleep */ |
622b828a | 1078 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_power, 0); |
e4b8bc52 | 1079 | |
8b2f0795 DH |
1080 | /* When close the device, set the usb intf0 into alt0 to free |
1081 | USB bandwidth */ | |
1082 | ret = usb_set_interface(dev->usbdev, 0, 0); | |
62899a28 DH |
1083 | if (ret < 0) |
1084 | printk(KERN_INFO "Au0828 can't set alternate to 0!\n"); | |
8b2f0795 DH |
1085 | } |
1086 | ||
7f8eacd2 DH |
1087 | videobuf_mmap_free(&fh->vb_vidq); |
1088 | videobuf_mmap_free(&fh->vb_vbiq); | |
8b2f0795 DH |
1089 | kfree(fh); |
1090 | dev->users--; | |
1091 | wake_up_interruptible_nr(&dev->open, 1); | |
8b2f0795 DH |
1092 | return 0; |
1093 | } | |
1094 | ||
1095 | static ssize_t au0828_v4l2_read(struct file *filp, char __user *buf, | |
1096 | size_t count, loff_t *pos) | |
1097 | { | |
1098 | struct au0828_fh *fh = filp->private_data; | |
1099 | struct au0828_dev *dev = fh->dev; | |
1100 | int rc; | |
1101 | ||
1102 | rc = check_dev(dev); | |
1103 | if (rc < 0) | |
1104 | return rc; | |
1105 | ||
62899a28 | 1106 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
7f8eacd2 DH |
1107 | if (res_locked(dev, AU0828_RESOURCE_VIDEO)) |
1108 | return -EBUSY; | |
8b2f0795 DH |
1109 | |
1110 | return videobuf_read_stream(&fh->vb_vidq, buf, count, pos, 0, | |
1111 | filp->f_flags & O_NONBLOCK); | |
1112 | } | |
7f8eacd2 DH |
1113 | |
1114 | if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { | |
1115 | if (!res_get(fh, AU0828_RESOURCE_VBI)) | |
1116 | return -EBUSY; | |
1117 | ||
bf797165 DH |
1118 | if (dev->vbi_timeout_running == 0) { |
1119 | /* Handle case where caller tries to read without | |
1120 | calling streamon first */ | |
1121 | dev->vbi_timeout_running = 1; | |
1122 | mod_timer(&dev->vbi_timeout, jiffies + (HZ / 10)); | |
1123 | } | |
1124 | ||
7f8eacd2 DH |
1125 | return videobuf_read_stream(&fh->vb_vbiq, buf, count, pos, 0, |
1126 | filp->f_flags & O_NONBLOCK); | |
1127 | } | |
1128 | ||
8b2f0795 DH |
1129 | return 0; |
1130 | } | |
1131 | ||
1132 | static unsigned int au0828_v4l2_poll(struct file *filp, poll_table *wait) | |
1133 | { | |
1134 | struct au0828_fh *fh = filp->private_data; | |
1135 | struct au0828_dev *dev = fh->dev; | |
83b09422 HV |
1136 | unsigned long req_events = poll_requested_events(wait); |
1137 | unsigned int res; | |
8b2f0795 | 1138 | |
83b09422 HV |
1139 | if (check_dev(dev) < 0) |
1140 | return POLLERR; | |
1141 | ||
1142 | res = v4l2_ctrl_poll(filp, wait); | |
1143 | if (!(req_events & (POLLIN | POLLRDNORM))) | |
1144 | return res; | |
8b2f0795 | 1145 | |
7f8eacd2 DH |
1146 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
1147 | if (!res_get(fh, AU0828_RESOURCE_VIDEO)) | |
1148 | return POLLERR; | |
83b09422 HV |
1149 | return res | videobuf_poll_stream(filp, &fh->vb_vidq, wait); |
1150 | } | |
1151 | if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { | |
7f8eacd2 DH |
1152 | if (!res_get(fh, AU0828_RESOURCE_VBI)) |
1153 | return POLLERR; | |
83b09422 | 1154 | return res | videobuf_poll_stream(filp, &fh->vb_vbiq, wait); |
7f8eacd2 | 1155 | } |
83b09422 | 1156 | return POLLERR; |
8b2f0795 DH |
1157 | } |
1158 | ||
1159 | static int au0828_v4l2_mmap(struct file *filp, struct vm_area_struct *vma) | |
1160 | { | |
1161 | struct au0828_fh *fh = filp->private_data; | |
1162 | struct au0828_dev *dev = fh->dev; | |
1163 | int rc; | |
1164 | ||
1165 | rc = check_dev(dev); | |
1166 | if (rc < 0) | |
1167 | return rc; | |
1168 | ||
7f8eacd2 DH |
1169 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1170 | rc = videobuf_mmap_mapper(&fh->vb_vidq, vma); | |
1171 | else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) | |
1172 | rc = videobuf_mmap_mapper(&fh->vb_vbiq, vma); | |
8b2f0795 | 1173 | |
8b2f0795 DH |
1174 | return rc; |
1175 | } | |
1176 | ||
1177 | static int au0828_set_format(struct au0828_dev *dev, unsigned int cmd, | |
1178 | struct v4l2_format *format) | |
1179 | { | |
1180 | int ret; | |
1181 | int width = format->fmt.pix.width; | |
1182 | int height = format->fmt.pix.height; | |
8b2f0795 | 1183 | |
8b2f0795 DH |
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; | |
8d86e4e8 | 1202 | format->fmt.pix.priv = 0; |
8b2f0795 | 1203 | |
62899a28 | 1204 | if (cmd == VIDIOC_TRY_FMT) |
8b2f0795 DH |
1205 | return 0; |
1206 | ||
1207 | /* maybe set new image format, driver current only support 720*480 */ | |
1208 | dev->width = width; | |
1209 | dev->height = height; | |
1210 | dev->frame_size = width * height * 2; | |
1211 | dev->field_size = width * height; | |
1212 | dev->bytesperline = width * 2; | |
1213 | ||
62899a28 | 1214 | if (dev->stream_state == STREAM_ON) { |
8b2f0795 | 1215 | dprintk(1, "VIDIOC_SET_FMT: interrupting stream!\n"); |
62899a28 DH |
1216 | ret = au0828_stream_interrupt(dev); |
1217 | if (ret != 0) { | |
8b2f0795 DH |
1218 | dprintk(1, "error interrupting video stream!\n"); |
1219 | return ret; | |
1220 | } | |
1221 | } | |
1222 | ||
1223 | /* set au0828 interface0 to AS5 here again */ | |
1224 | ret = usb_set_interface(dev->usbdev, 0, 5); | |
62899a28 DH |
1225 | if (ret < 0) { |
1226 | printk(KERN_INFO "Au0828 can't set alt setting to 5!\n"); | |
8b2f0795 DH |
1227 | return -EBUSY; |
1228 | } | |
1229 | ||
1230 | au0828_analog_stream_enable(dev); | |
1231 | ||
1232 | return 0; | |
1233 | } | |
1234 | ||
1235 | ||
8b2f0795 DH |
1236 | static int vidioc_querycap(struct file *file, void *priv, |
1237 | struct v4l2_capability *cap) | |
1238 | { | |
59e05484 HV |
1239 | struct video_device *vdev = video_devdata(file); |
1240 | struct au0828_fh *fh = priv; | |
8b2f0795 DH |
1241 | struct au0828_dev *dev = fh->dev; |
1242 | ||
8b2f0795 | 1243 | strlcpy(cap->driver, "au0828", sizeof(cap->driver)); |
f1add5b5 | 1244 | strlcpy(cap->card, dev->board.name, sizeof(cap->card)); |
59e05484 | 1245 | usb_make_path(dev->usbdev, cap->bus_info, sizeof(cap->bus_info)); |
8b2f0795 | 1246 | |
59e05484 HV |
1247 | /* set the device capabilities */ |
1248 | cap->device_caps = V4L2_CAP_AUDIO | | |
8b2f0795 DH |
1249 | V4L2_CAP_READWRITE | |
1250 | V4L2_CAP_STREAMING | | |
1251 | V4L2_CAP_TUNER; | |
59e05484 HV |
1252 | if (vdev->vfl_type == VFL_TYPE_GRABBER) |
1253 | cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE; | |
1254 | else | |
1255 | cap->device_caps |= V4L2_CAP_VBI_CAPTURE; | |
1256 | cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS | | |
1257 | V4L2_CAP_VBI_CAPTURE | V4L2_CAP_VIDEO_CAPTURE; | |
8b2f0795 DH |
1258 | return 0; |
1259 | } | |
1260 | ||
1261 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, | |
1262 | struct v4l2_fmtdesc *f) | |
1263 | { | |
62899a28 | 1264 | if (f->index) |
8b2f0795 DH |
1265 | return -EINVAL; |
1266 | ||
8b2f0795 DH |
1267 | f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
1268 | strcpy(f->description, "Packed YUV2"); | |
1269 | ||
1270 | f->flags = 0; | |
1271 | f->pixelformat = V4L2_PIX_FMT_UYVY; | |
1272 | ||
8b2f0795 DH |
1273 | return 0; |
1274 | } | |
1275 | ||
1276 | static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, | |
1277 | struct v4l2_format *f) | |
1278 | { | |
1279 | struct au0828_fh *fh = priv; | |
1280 | struct au0828_dev *dev = fh->dev; | |
1281 | ||
1282 | f->fmt.pix.width = dev->width; | |
1283 | f->fmt.pix.height = dev->height; | |
1284 | f->fmt.pix.pixelformat = V4L2_PIX_FMT_UYVY; | |
1285 | f->fmt.pix.bytesperline = dev->bytesperline; | |
1286 | f->fmt.pix.sizeimage = dev->frame_size; | |
1287 | f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; /* NTSC/PAL */ | |
1288 | f->fmt.pix.field = V4L2_FIELD_INTERLACED; | |
8d86e4e8 | 1289 | f->fmt.pix.priv = 0; |
8b2f0795 DH |
1290 | return 0; |
1291 | } | |
1292 | ||
1293 | static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, | |
1294 | struct v4l2_format *f) | |
1295 | { | |
1296 | struct au0828_fh *fh = priv; | |
1297 | struct au0828_dev *dev = fh->dev; | |
1298 | ||
1299 | return au0828_set_format(dev, VIDIOC_TRY_FMT, f); | |
1300 | } | |
1301 | ||
1302 | static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, | |
1303 | struct v4l2_format *f) | |
1304 | { | |
1305 | struct au0828_fh *fh = priv; | |
1306 | struct au0828_dev *dev = fh->dev; | |
1307 | int rc; | |
1308 | ||
7f8eacd2 DH |
1309 | rc = check_dev(dev); |
1310 | if (rc < 0) | |
1311 | return rc; | |
1312 | ||
8b2f0795 | 1313 | if (videobuf_queue_is_busy(&fh->vb_vidq)) { |
62899a28 | 1314 | printk(KERN_INFO "%s queue busy\n", __func__); |
8b2f0795 DH |
1315 | rc = -EBUSY; |
1316 | goto out; | |
1317 | } | |
1318 | ||
7f8eacd2 | 1319 | rc = au0828_set_format(dev, VIDIOC_S_FMT, f); |
8b2f0795 DH |
1320 | out: |
1321 | return rc; | |
1322 | } | |
1323 | ||
314527ac | 1324 | static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id norm) |
8b2f0795 DH |
1325 | { |
1326 | struct au0828_fh *fh = priv; | |
1327 | struct au0828_dev *dev = fh->dev; | |
1328 | ||
fa09cb9a | 1329 | i2c_gate_ctrl(dev, 1); |
e58071f0 | 1330 | |
8b2f0795 DH |
1331 | /* FIXME: when we support something other than NTSC, we are going to |
1332 | have to make the au0828 bridge adjust the size of its capture | |
1333 | buffer, which is currently hardcoded at 720x480 */ | |
1334 | ||
314527ac | 1335 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_std, norm); |
c98bc032 | 1336 | dev->std_set_in_tuner_core = 1; |
e58071f0 | 1337 | |
fa09cb9a | 1338 | i2c_gate_ctrl(dev, 0); |
33b6b89b | 1339 | dev->std = norm; |
e58071f0 | 1340 | |
8b2f0795 DH |
1341 | return 0; |
1342 | } | |
1343 | ||
33b6b89b HV |
1344 | static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *norm) |
1345 | { | |
1346 | struct au0828_fh *fh = priv; | |
1347 | struct au0828_dev *dev = fh->dev; | |
1348 | ||
1349 | *norm = dev->std; | |
1350 | return 0; | |
1351 | } | |
1352 | ||
8b2f0795 DH |
1353 | static int vidioc_enum_input(struct file *file, void *priv, |
1354 | struct v4l2_input *input) | |
1355 | { | |
1356 | struct au0828_fh *fh = priv; | |
1357 | struct au0828_dev *dev = fh->dev; | |
1358 | unsigned int tmp; | |
1359 | ||
1360 | static const char *inames[] = { | |
3d62287e | 1361 | [AU0828_VMUX_UNDEFINED] = "Undefined", |
8b2f0795 DH |
1362 | [AU0828_VMUX_COMPOSITE] = "Composite", |
1363 | [AU0828_VMUX_SVIDEO] = "S-Video", | |
1364 | [AU0828_VMUX_CABLE] = "Cable TV", | |
1365 | [AU0828_VMUX_TELEVISION] = "Television", | |
1366 | [AU0828_VMUX_DVB] = "DVB", | |
1367 | [AU0828_VMUX_DEBUG] = "tv debug" | |
1368 | }; | |
1369 | ||
1370 | tmp = input->index; | |
1371 | ||
f5e20c34 | 1372 | if (tmp >= AU0828_MAX_INPUT) |
8b2f0795 | 1373 | return -EINVAL; |
62899a28 | 1374 | if (AUVI_INPUT(tmp).type == 0) |
8b2f0795 DH |
1375 | return -EINVAL; |
1376 | ||
8b2f0795 | 1377 | input->index = tmp; |
f1add5b5 | 1378 | strcpy(input->name, inames[AUVI_INPUT(tmp).type]); |
62899a28 | 1379 | if ((AUVI_INPUT(tmp).type == AU0828_VMUX_TELEVISION) || |
a2cf96f9 | 1380 | (AUVI_INPUT(tmp).type == AU0828_VMUX_CABLE)) { |
8b2f0795 | 1381 | input->type |= V4L2_INPUT_TYPE_TUNER; |
a2cf96f9 HV |
1382 | input->audioset = 1; |
1383 | } else { | |
8b2f0795 | 1384 | input->type |= V4L2_INPUT_TYPE_CAMERA; |
a2cf96f9 HV |
1385 | input->audioset = 2; |
1386 | } | |
8b2f0795 DH |
1387 | |
1388 | input->std = dev->vdev->tvnorms; | |
1389 | ||
1390 | return 0; | |
1391 | } | |
1392 | ||
1393 | static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) | |
1394 | { | |
1395 | struct au0828_fh *fh = priv; | |
1396 | struct au0828_dev *dev = fh->dev; | |
1397 | *i = dev->ctrl_input; | |
1398 | return 0; | |
1399 | } | |
1400 | ||
1401 | static int vidioc_s_input(struct file *file, void *priv, unsigned int index) | |
1402 | { | |
1403 | struct au0828_fh *fh = priv; | |
1404 | struct au0828_dev *dev = fh->dev; | |
1405 | int i; | |
8b2f0795 | 1406 | |
62899a28 | 1407 | dprintk(1, "VIDIOC_S_INPUT in function %s, input=%d\n", __func__, |
8b2f0795 | 1408 | index); |
62899a28 | 1409 | if (index >= AU0828_MAX_INPUT) |
8b2f0795 | 1410 | return -EINVAL; |
62899a28 | 1411 | if (AUVI_INPUT(index).type == 0) |
8b2f0795 DH |
1412 | return -EINVAL; |
1413 | dev->ctrl_input = index; | |
1414 | ||
62899a28 | 1415 | switch (AUVI_INPUT(index).type) { |
8b2f0795 | 1416 | case AU0828_VMUX_SVIDEO: |
8b2f0795 | 1417 | dev->input_type = AU0828_VMUX_SVIDEO; |
a2cf96f9 | 1418 | dev->ctrl_ainput = 1; |
8b2f0795 | 1419 | break; |
8b2f0795 | 1420 | case AU0828_VMUX_COMPOSITE: |
8b2f0795 | 1421 | dev->input_type = AU0828_VMUX_COMPOSITE; |
a2cf96f9 | 1422 | dev->ctrl_ainput = 1; |
8b2f0795 | 1423 | break; |
8b2f0795 | 1424 | case AU0828_VMUX_TELEVISION: |
8b2f0795 | 1425 | dev->input_type = AU0828_VMUX_TELEVISION; |
a2cf96f9 | 1426 | dev->ctrl_ainput = 0; |
8b2f0795 | 1427 | break; |
8b2f0795 | 1428 | default: |
a1094c4c DH |
1429 | dprintk(1, "VIDIOC_S_INPUT unknown input type set [%d]\n", |
1430 | AUVI_INPUT(index).type); | |
1431 | break; | |
8b2f0795 DH |
1432 | } |
1433 | ||
5325b427 HV |
1434 | v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_routing, |
1435 | AUVI_INPUT(index).vmux, 0, 0); | |
8b2f0795 DH |
1436 | |
1437 | for (i = 0; i < AU0828_MAX_INPUT; i++) { | |
1438 | int enable = 0; | |
62899a28 | 1439 | if (AUVI_INPUT(i).audio_setup == NULL) |
8b2f0795 | 1440 | continue; |
8b2f0795 DH |
1441 | |
1442 | if (i == index) | |
1443 | enable = 1; | |
1444 | else | |
1445 | enable = 0; | |
1446 | if (enable) { | |
f1add5b5 | 1447 | (AUVI_INPUT(i).audio_setup)(dev, enable); |
8b2f0795 DH |
1448 | } else { |
1449 | /* Make sure we leave it turned on if some | |
1450 | other input is routed to this callback */ | |
f1add5b5 DH |
1451 | if ((AUVI_INPUT(i).audio_setup) != |
1452 | ((AUVI_INPUT(index).audio_setup))) { | |
1453 | (AUVI_INPUT(i).audio_setup)(dev, enable); | |
8b2f0795 DH |
1454 | } |
1455 | } | |
1456 | } | |
1457 | ||
5325b427 HV |
1458 | v4l2_device_call_all(&dev->v4l2_dev, 0, audio, s_routing, |
1459 | AUVI_INPUT(index).amux, 0, 0); | |
8b2f0795 DH |
1460 | return 0; |
1461 | } | |
1462 | ||
a2cf96f9 HV |
1463 | static int vidioc_enumaudio(struct file *file, void *priv, struct v4l2_audio *a) |
1464 | { | |
1465 | if (a->index > 1) | |
1466 | return -EINVAL; | |
1467 | ||
1468 | if (a->index == 0) | |
1469 | strcpy(a->name, "Television"); | |
1470 | else | |
1471 | strcpy(a->name, "Line in"); | |
1472 | ||
1473 | a->capability = V4L2_AUDCAP_STEREO; | |
1474 | return 0; | |
1475 | } | |
1476 | ||
8b2f0795 DH |
1477 | static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a) |
1478 | { | |
1479 | struct au0828_fh *fh = priv; | |
1480 | struct au0828_dev *dev = fh->dev; | |
8b2f0795 | 1481 | |
a2cf96f9 HV |
1482 | a->index = dev->ctrl_ainput; |
1483 | if (a->index == 0) | |
8b2f0795 DH |
1484 | strcpy(a->name, "Television"); |
1485 | else | |
1486 | strcpy(a->name, "Line in"); | |
1487 | ||
1488 | a->capability = V4L2_AUDCAP_STEREO; | |
8b2f0795 DH |
1489 | return 0; |
1490 | } | |
1491 | ||
0e8025b9 | 1492 | static int vidioc_s_audio(struct file *file, void *priv, const struct v4l2_audio *a) |
8b2f0795 DH |
1493 | { |
1494 | struct au0828_fh *fh = priv; | |
1495 | struct au0828_dev *dev = fh->dev; | |
a2cf96f9 | 1496 | |
62899a28 | 1497 | if (a->index != dev->ctrl_ainput) |
8b2f0795 DH |
1498 | return -EINVAL; |
1499 | return 0; | |
1500 | } | |
1501 | ||
8b2f0795 DH |
1502 | static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) |
1503 | { | |
1504 | struct au0828_fh *fh = priv; | |
1505 | struct au0828_dev *dev = fh->dev; | |
1506 | ||
62899a28 | 1507 | if (t->index != 0) |
8b2f0795 DH |
1508 | return -EINVAL; |
1509 | ||
8b2f0795 | 1510 | strcpy(t->name, "Auvitek tuner"); |
2689d3dc | 1511 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t); |
8b2f0795 DH |
1512 | return 0; |
1513 | } | |
1514 | ||
1515 | static int vidioc_s_tuner(struct file *file, void *priv, | |
2f73c7c5 | 1516 | const struct v4l2_tuner *t) |
8b2f0795 DH |
1517 | { |
1518 | struct au0828_fh *fh = priv; | |
1519 | struct au0828_dev *dev = fh->dev; | |
1520 | ||
62899a28 | 1521 | if (t->index != 0) |
8b2f0795 DH |
1522 | return -EINVAL; |
1523 | ||
fa09cb9a | 1524 | i2c_gate_ctrl(dev, 1); |
e58071f0 | 1525 | |
2689d3dc | 1526 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t); |
e58071f0 | 1527 | |
fa09cb9a | 1528 | i2c_gate_ctrl(dev, 0); |
e58071f0 | 1529 | |
8b2f0795 DH |
1530 | dprintk(1, "VIDIOC_S_TUNER: signal = %x, afc = %x\n", t->signal, |
1531 | t->afc); | |
e58071f0 | 1532 | |
8b2f0795 DH |
1533 | return 0; |
1534 | ||
1535 | } | |
1536 | ||
1537 | static int vidioc_g_frequency(struct file *file, void *priv, | |
1538 | struct v4l2_frequency *freq) | |
1539 | { | |
1540 | struct au0828_fh *fh = priv; | |
1541 | struct au0828_dev *dev = fh->dev; | |
c888923d | 1542 | |
e1cf6587 HV |
1543 | if (freq->tuner != 0) |
1544 | return -EINVAL; | |
8b2f0795 DH |
1545 | freq->frequency = dev->ctrl_freq; |
1546 | return 0; | |
1547 | } | |
1548 | ||
1549 | static int vidioc_s_frequency(struct file *file, void *priv, | |
b530a447 | 1550 | const struct v4l2_frequency *freq) |
8b2f0795 DH |
1551 | { |
1552 | struct au0828_fh *fh = priv; | |
1553 | struct au0828_dev *dev = fh->dev; | |
e1cf6587 | 1554 | struct v4l2_frequency new_freq = *freq; |
8b2f0795 | 1555 | |
62899a28 | 1556 | if (freq->tuner != 0) |
8b2f0795 | 1557 | return -EINVAL; |
8b2f0795 | 1558 | |
fa09cb9a | 1559 | i2c_gate_ctrl(dev, 1); |
4a03dafc | 1560 | |
c98bc032 | 1561 | if (dev->std_set_in_tuner_core == 0) { |
38823b29 HV |
1562 | /* If we've never sent the standard in tuner core, do so now. |
1563 | We don't do this at device probe because we don't want to | |
1564 | incur the cost of a firmware load */ | |
1565 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_std, | |
1566 | dev->vdev->tvnorms); | |
1567 | dev->std_set_in_tuner_core = 1; | |
c98bc032 DH |
1568 | } |
1569 | ||
2689d3dc | 1570 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, freq); |
e1cf6587 HV |
1571 | /* Get the actual set (and possibly clamped) frequency */ |
1572 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_frequency, &new_freq); | |
1573 | dev->ctrl_freq = new_freq.frequency; | |
8b2f0795 | 1574 | |
fa09cb9a | 1575 | i2c_gate_ctrl(dev, 0); |
4a03dafc | 1576 | |
8b2f0795 DH |
1577 | au0828_analog_stream_reset(dev); |
1578 | ||
1579 | return 0; | |
1580 | } | |
1581 | ||
7f8eacd2 DH |
1582 | |
1583 | /* RAW VBI ioctls */ | |
1584 | ||
1585 | static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv, | |
1586 | struct v4l2_format *format) | |
1587 | { | |
1588 | struct au0828_fh *fh = priv; | |
1589 | struct au0828_dev *dev = fh->dev; | |
1590 | ||
1591 | format->fmt.vbi.samples_per_line = dev->vbi_width; | |
1592 | format->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; | |
1593 | format->fmt.vbi.offset = 0; | |
1594 | format->fmt.vbi.flags = 0; | |
1595 | format->fmt.vbi.sampling_rate = 6750000 * 4 / 2; | |
1596 | ||
1597 | format->fmt.vbi.count[0] = dev->vbi_height; | |
1598 | format->fmt.vbi.count[1] = dev->vbi_height; | |
1599 | format->fmt.vbi.start[0] = 21; | |
1600 | format->fmt.vbi.start[1] = 284; | |
8d86e4e8 | 1601 | memset(format->fmt.vbi.reserved, 0, sizeof(format->fmt.vbi.reserved)); |
7f8eacd2 DH |
1602 | |
1603 | return 0; | |
1604 | } | |
1605 | ||
8b2f0795 DH |
1606 | static int vidioc_g_chip_ident(struct file *file, void *priv, |
1607 | struct v4l2_dbg_chip_ident *chip) | |
1608 | { | |
1609 | struct au0828_fh *fh = priv; | |
1610 | struct au0828_dev *dev = fh->dev; | |
1611 | chip->ident = V4L2_IDENT_NONE; | |
1612 | chip->revision = 0; | |
1613 | ||
d9109bef DH |
1614 | if (v4l2_chip_match_host(&chip->match)) { |
1615 | chip->ident = V4L2_IDENT_AU0828; | |
1616 | return 0; | |
1617 | } | |
1618 | ||
2689d3dc | 1619 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_chip_ident, chip); |
d9109bef DH |
1620 | if (chip->ident == V4L2_IDENT_NONE) |
1621 | return -EINVAL; | |
1622 | ||
8b2f0795 DH |
1623 | return 0; |
1624 | } | |
1625 | ||
1626 | static int vidioc_cropcap(struct file *file, void *priv, | |
1627 | struct v4l2_cropcap *cc) | |
1628 | { | |
1629 | struct au0828_fh *fh = priv; | |
1630 | struct au0828_dev *dev = fh->dev; | |
1631 | ||
62899a28 | 1632 | if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
8b2f0795 DH |
1633 | return -EINVAL; |
1634 | ||
1635 | cc->bounds.left = 0; | |
1636 | cc->bounds.top = 0; | |
1637 | cc->bounds.width = dev->width; | |
1638 | cc->bounds.height = dev->height; | |
1639 | ||
1640 | cc->defrect = cc->bounds; | |
1641 | ||
1642 | cc->pixelaspect.numerator = 54; | |
1643 | cc->pixelaspect.denominator = 59; | |
1644 | ||
1645 | return 0; | |
1646 | } | |
1647 | ||
1648 | static int vidioc_streamon(struct file *file, void *priv, | |
1649 | enum v4l2_buf_type type) | |
1650 | { | |
7f8eacd2 DH |
1651 | struct au0828_fh *fh = priv; |
1652 | struct au0828_dev *dev = fh->dev; | |
1653 | int rc = -EINVAL; | |
8b2f0795 DH |
1654 | |
1655 | rc = check_dev(dev); | |
1656 | if (rc < 0) | |
1657 | return rc; | |
1658 | ||
7f8eacd2 DH |
1659 | if (unlikely(type != fh->type)) |
1660 | return -EINVAL; | |
1661 | ||
1662 | dprintk(1, "vidioc_streamon fh=%p t=%d fh->res=%d dev->res=%d\n", | |
1663 | fh, type, fh->resources, dev->resources); | |
1664 | ||
1665 | if (unlikely(!res_get(fh, get_ressource(fh)))) | |
1666 | return -EBUSY; | |
1667 | ||
8b2f0795 DH |
1668 | if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
1669 | au0828_analog_stream_enable(dev); | |
2689d3dc | 1670 | v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 1); |
8b2f0795 DH |
1671 | } |
1672 | ||
78ca5005 | 1673 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
8b2f0795 | 1674 | rc = videobuf_streamon(&fh->vb_vidq); |
78ca5005 DH |
1675 | dev->vid_timeout_running = 1; |
1676 | mod_timer(&dev->vid_timeout, jiffies + (HZ / 10)); | |
1677 | } else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { | |
7f8eacd2 | 1678 | rc = videobuf_streamon(&fh->vb_vbiq); |
78ca5005 DH |
1679 | dev->vbi_timeout_running = 1; |
1680 | mod_timer(&dev->vbi_timeout, jiffies + (HZ / 10)); | |
1681 | } | |
8b2f0795 DH |
1682 | |
1683 | return rc; | |
1684 | } | |
1685 | ||
1686 | static int vidioc_streamoff(struct file *file, void *priv, | |
1687 | enum v4l2_buf_type type) | |
1688 | { | |
7f8eacd2 DH |
1689 | struct au0828_fh *fh = priv; |
1690 | struct au0828_dev *dev = fh->dev; | |
1691 | int rc; | |
1692 | int i; | |
8b2f0795 DH |
1693 | |
1694 | rc = check_dev(dev); | |
1695 | if (rc < 0) | |
1696 | return rc; | |
1697 | ||
7f8eacd2 DH |
1698 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && |
1699 | fh->type != V4L2_BUF_TYPE_VBI_CAPTURE) | |
8b2f0795 DH |
1700 | return -EINVAL; |
1701 | if (type != fh->type) | |
1702 | return -EINVAL; | |
1703 | ||
7f8eacd2 DH |
1704 | dprintk(1, "vidioc_streamoff fh=%p t=%d fh->res=%d dev->res=%d\n", |
1705 | fh, type, fh->resources, dev->resources); | |
1706 | ||
1707 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { | |
78ca5005 DH |
1708 | dev->vid_timeout_running = 0; |
1709 | del_timer_sync(&dev->vid_timeout); | |
1710 | ||
2689d3dc | 1711 | v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 0); |
7f8eacd2 DH |
1712 | rc = au0828_stream_interrupt(dev); |
1713 | if (rc != 0) | |
1714 | return rc; | |
8b2f0795 | 1715 | |
7f8eacd2 DH |
1716 | for (i = 0; i < AU0828_MAX_INPUT; i++) { |
1717 | if (AUVI_INPUT(i).audio_setup == NULL) | |
1718 | continue; | |
1719 | (AUVI_INPUT(i).audio_setup)(dev, 0); | |
1720 | } | |
8b2f0795 | 1721 | |
a595c1ce DH |
1722 | if (res_check(fh, AU0828_RESOURCE_VIDEO)) { |
1723 | videobuf_streamoff(&fh->vb_vidq); | |
1724 | res_free(fh, AU0828_RESOURCE_VIDEO); | |
1725 | } | |
7f8eacd2 | 1726 | } else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { |
78ca5005 DH |
1727 | dev->vbi_timeout_running = 0; |
1728 | del_timer_sync(&dev->vbi_timeout); | |
1729 | ||
a595c1ce DH |
1730 | if (res_check(fh, AU0828_RESOURCE_VBI)) { |
1731 | videobuf_streamoff(&fh->vb_vbiq); | |
1732 | res_free(fh, AU0828_RESOURCE_VBI); | |
1733 | } | |
7f8eacd2 | 1734 | } |
8b2f0795 DH |
1735 | |
1736 | return 0; | |
1737 | } | |
1738 | ||
80c6e358 | 1739 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
8b2f0795 DH |
1740 | static int vidioc_g_register(struct file *file, void *priv, |
1741 | struct v4l2_dbg_register *reg) | |
1742 | { | |
1743 | struct au0828_fh *fh = priv; | |
1744 | struct au0828_dev *dev = fh->dev; | |
1745 | ||
1746 | switch (reg->match.type) { | |
1747 | case V4L2_CHIP_MATCH_I2C_DRIVER: | |
2689d3dc | 1748 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_register, reg); |
8b2f0795 DH |
1749 | return 0; |
1750 | default: | |
364d2db2 DH |
1751 | if (!v4l2_chip_match_host(®->match)) |
1752 | return -EINVAL; | |
8b2f0795 | 1753 | } |
364d2db2 DH |
1754 | |
1755 | reg->val = au0828_read(dev, reg->reg); | |
1756 | return 0; | |
8b2f0795 DH |
1757 | } |
1758 | ||
1759 | static int vidioc_s_register(struct file *file, void *priv, | |
977ba3b1 | 1760 | const struct v4l2_dbg_register *reg) |
8b2f0795 DH |
1761 | { |
1762 | struct au0828_fh *fh = priv; | |
1763 | struct au0828_dev *dev = fh->dev; | |
1764 | ||
1765 | switch (reg->match.type) { | |
1766 | case V4L2_CHIP_MATCH_I2C_DRIVER: | |
2689d3dc | 1767 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_register, reg); |
8b2f0795 DH |
1768 | return 0; |
1769 | default: | |
364d2db2 DH |
1770 | if (!v4l2_chip_match_host(®->match)) |
1771 | return -EINVAL; | |
8b2f0795 | 1772 | } |
364d2db2 | 1773 | return au0828_writereg(dev, reg->reg, reg->val); |
8b2f0795 | 1774 | } |
80c6e358 | 1775 | #endif |
8b2f0795 | 1776 | |
83b09422 HV |
1777 | static int vidioc_log_status(struct file *file, void *fh) |
1778 | { | |
1779 | struct video_device *vdev = video_devdata(file); | |
1780 | ||
1781 | v4l2_ctrl_log_status(file, fh); | |
1782 | v4l2_device_call_all(vdev->v4l2_dev, 0, core, log_status); | |
1783 | return 0; | |
1784 | } | |
1785 | ||
8b2f0795 DH |
1786 | static int vidioc_reqbufs(struct file *file, void *priv, |
1787 | struct v4l2_requestbuffers *rb) | |
1788 | { | |
1789 | struct au0828_fh *fh = priv; | |
1790 | struct au0828_dev *dev = fh->dev; | |
1791 | int rc; | |
1792 | ||
1793 | rc = check_dev(dev); | |
1794 | if (rc < 0) | |
1795 | return rc; | |
1796 | ||
54ebb8b8 DH |
1797 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1798 | rc = videobuf_reqbufs(&fh->vb_vidq, rb); | |
1799 | else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) | |
1800 | rc = videobuf_reqbufs(&fh->vb_vbiq, rb); | |
1801 | ||
1802 | return rc; | |
8b2f0795 DH |
1803 | } |
1804 | ||
1805 | static int vidioc_querybuf(struct file *file, void *priv, | |
1806 | struct v4l2_buffer *b) | |
1807 | { | |
1808 | struct au0828_fh *fh = priv; | |
1809 | struct au0828_dev *dev = fh->dev; | |
1810 | int rc; | |
1811 | ||
1812 | rc = check_dev(dev); | |
1813 | if (rc < 0) | |
1814 | return rc; | |
1815 | ||
54ebb8b8 DH |
1816 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1817 | rc = videobuf_querybuf(&fh->vb_vidq, b); | |
1818 | else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) | |
1819 | rc = videobuf_querybuf(&fh->vb_vbiq, b); | |
1820 | ||
1821 | return rc; | |
8b2f0795 DH |
1822 | } |
1823 | ||
1824 | static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b) | |
1825 | { | |
1826 | struct au0828_fh *fh = priv; | |
1827 | struct au0828_dev *dev = fh->dev; | |
1828 | int rc; | |
1829 | ||
1830 | rc = check_dev(dev); | |
1831 | if (rc < 0) | |
1832 | return rc; | |
1833 | ||
54ebb8b8 DH |
1834 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1835 | rc = videobuf_qbuf(&fh->vb_vidq, b); | |
1836 | else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) | |
1837 | rc = videobuf_qbuf(&fh->vb_vbiq, b); | |
1838 | ||
1839 | return rc; | |
8b2f0795 DH |
1840 | } |
1841 | ||
1842 | static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) | |
1843 | { | |
1844 | struct au0828_fh *fh = priv; | |
1845 | struct au0828_dev *dev = fh->dev; | |
1846 | int rc; | |
1847 | ||
1848 | rc = check_dev(dev); | |
1849 | if (rc < 0) | |
1850 | return rc; | |
1851 | ||
1852 | /* Workaround for a bug in the au0828 hardware design that sometimes | |
1853 | results in the colorspace being inverted */ | |
1854 | if (dev->greenscreen_detected == 1) { | |
1855 | dprintk(1, "Detected green frame. Resetting stream...\n"); | |
1856 | au0828_analog_stream_reset(dev); | |
1857 | dev->greenscreen_detected = 0; | |
1858 | } | |
1859 | ||
54ebb8b8 DH |
1860 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1861 | rc = videobuf_dqbuf(&fh->vb_vidq, b, file->f_flags & O_NONBLOCK); | |
1862 | else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) | |
1863 | rc = videobuf_dqbuf(&fh->vb_vbiq, b, file->f_flags & O_NONBLOCK); | |
1864 | ||
1865 | return rc; | |
8b2f0795 DH |
1866 | } |
1867 | ||
8b2f0795 DH |
1868 | static struct v4l2_file_operations au0828_v4l_fops = { |
1869 | .owner = THIS_MODULE, | |
1870 | .open = au0828_v4l2_open, | |
1871 | .release = au0828_v4l2_close, | |
1872 | .read = au0828_v4l2_read, | |
1873 | .poll = au0828_v4l2_poll, | |
1874 | .mmap = au0828_v4l2_mmap, | |
549ee4df | 1875 | .unlocked_ioctl = video_ioctl2, |
8b2f0795 DH |
1876 | }; |
1877 | ||
1878 | static const struct v4l2_ioctl_ops video_ioctl_ops = { | |
1879 | .vidioc_querycap = vidioc_querycap, | |
1880 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, | |
1881 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
1882 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, | |
1883 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, | |
5a5a4e16 | 1884 | .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, |
8d86e4e8 | 1885 | .vidioc_try_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, |
7f8eacd2 | 1886 | .vidioc_s_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, |
a2cf96f9 | 1887 | .vidioc_enumaudio = vidioc_enumaudio, |
8b2f0795 DH |
1888 | .vidioc_g_audio = vidioc_g_audio, |
1889 | .vidioc_s_audio = vidioc_s_audio, | |
1890 | .vidioc_cropcap = vidioc_cropcap, | |
8b2f0795 DH |
1891 | .vidioc_reqbufs = vidioc_reqbufs, |
1892 | .vidioc_querybuf = vidioc_querybuf, | |
1893 | .vidioc_qbuf = vidioc_qbuf, | |
1894 | .vidioc_dqbuf = vidioc_dqbuf, | |
1895 | .vidioc_s_std = vidioc_s_std, | |
33b6b89b | 1896 | .vidioc_g_std = vidioc_g_std, |
8b2f0795 DH |
1897 | .vidioc_enum_input = vidioc_enum_input, |
1898 | .vidioc_g_input = vidioc_g_input, | |
1899 | .vidioc_s_input = vidioc_s_input, | |
8b2f0795 DH |
1900 | .vidioc_streamon = vidioc_streamon, |
1901 | .vidioc_streamoff = vidioc_streamoff, | |
1902 | .vidioc_g_tuner = vidioc_g_tuner, | |
1903 | .vidioc_s_tuner = vidioc_s_tuner, | |
1904 | .vidioc_g_frequency = vidioc_g_frequency, | |
1905 | .vidioc_s_frequency = vidioc_s_frequency, | |
1906 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
1907 | .vidioc_g_register = vidioc_g_register, | |
1908 | .vidioc_s_register = vidioc_s_register, | |
8b2f0795 | 1909 | #endif |
80c6e358 | 1910 | .vidioc_g_chip_ident = vidioc_g_chip_ident, |
83b09422 HV |
1911 | .vidioc_log_status = vidioc_log_status, |
1912 | .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, | |
1913 | .vidioc_unsubscribe_event = v4l2_event_unsubscribe, | |
8b2f0795 DH |
1914 | }; |
1915 | ||
1916 | static const struct video_device au0828_video_template = { | |
1917 | .fops = &au0828_v4l_fops, | |
1918 | .release = video_device_release, | |
1919 | .ioctl_ops = &video_ioctl_ops, | |
0ef21071 | 1920 | .tvnorms = V4L2_STD_NTSC_M, |
8b2f0795 DH |
1921 | }; |
1922 | ||
1923 | /**************************************************************************/ | |
1924 | ||
fc4ce6cd DH |
1925 | int au0828_analog_register(struct au0828_dev *dev, |
1926 | struct usb_interface *interface) | |
8b2f0795 DH |
1927 | { |
1928 | int retval = -ENOMEM; | |
fc4ce6cd DH |
1929 | struct usb_host_interface *iface_desc; |
1930 | struct usb_endpoint_descriptor *endpoint; | |
d63b21bf | 1931 | int i, ret; |
8b2f0795 DH |
1932 | |
1933 | dprintk(1, "au0828_analog_register called!\n"); | |
1934 | ||
fc4ce6cd DH |
1935 | /* set au0828 usb interface0 to as5 */ |
1936 | retval = usb_set_interface(dev->usbdev, | |
62899a28 | 1937 | interface->cur_altsetting->desc.bInterfaceNumber, 5); |
fc4ce6cd | 1938 | if (retval != 0) { |
62899a28 | 1939 | printk(KERN_INFO "Failure setting usb interface0 to as5\n"); |
fc4ce6cd DH |
1940 | return retval; |
1941 | } | |
1942 | ||
1943 | /* Figure out which endpoint has the isoc interface */ | |
1944 | iface_desc = interface->cur_altsetting; | |
62899a28 | 1945 | for (i = 0; i < iface_desc->desc.bNumEndpoints; i++) { |
fc4ce6cd | 1946 | endpoint = &iface_desc->endpoint[i].desc; |
62899a28 DH |
1947 | if (((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) |
1948 | == USB_DIR_IN) && | |
1949 | ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) | |
1950 | == USB_ENDPOINT_XFER_ISOC)) { | |
fc4ce6cd DH |
1951 | |
1952 | /* we find our isoc in endpoint */ | |
1953 | u16 tmp = le16_to_cpu(endpoint->wMaxPacketSize); | |
62899a28 DH |
1954 | dev->max_pkt_size = (tmp & 0x07ff) * |
1955 | (((tmp & 0x1800) >> 11) + 1); | |
fc4ce6cd DH |
1956 | dev->isoc_in_endpointaddr = endpoint->bEndpointAddress; |
1957 | } | |
1958 | } | |
62899a28 DH |
1959 | if (!(dev->isoc_in_endpointaddr)) { |
1960 | printk(KERN_INFO "Could not locate isoc endpoint\n"); | |
fc4ce6cd DH |
1961 | kfree(dev); |
1962 | return -ENODEV; | |
1963 | } | |
1964 | ||
8b2f0795 DH |
1965 | init_waitqueue_head(&dev->open); |
1966 | spin_lock_init(&dev->slock); | |
8b2f0795 | 1967 | |
7f8eacd2 | 1968 | /* init video dma queues */ |
8b2f0795 DH |
1969 | INIT_LIST_HEAD(&dev->vidq.active); |
1970 | INIT_LIST_HEAD(&dev->vidq.queued); | |
7f8eacd2 DH |
1971 | INIT_LIST_HEAD(&dev->vbiq.active); |
1972 | INIT_LIST_HEAD(&dev->vbiq.queued); | |
8b2f0795 | 1973 | |
78ca5005 DH |
1974 | dev->vid_timeout.function = au0828_vid_buffer_timeout; |
1975 | dev->vid_timeout.data = (unsigned long) dev; | |
1976 | init_timer(&dev->vid_timeout); | |
1977 | ||
1978 | dev->vbi_timeout.function = au0828_vbi_buffer_timeout; | |
1979 | dev->vbi_timeout.data = (unsigned long) dev; | |
1980 | init_timer(&dev->vbi_timeout); | |
1981 | ||
8b2f0795 DH |
1982 | dev->width = NTSC_STD_W; |
1983 | dev->height = NTSC_STD_H; | |
1984 | dev->field_size = dev->width * dev->height; | |
1985 | dev->frame_size = dev->field_size << 1; | |
1986 | dev->bytesperline = dev->width << 1; | |
1987 | dev->ctrl_ainput = 0; | |
e1cf6587 | 1988 | dev->ctrl_freq = 960; |
33b6b89b | 1989 | dev->std = V4L2_STD_NTSC_M; |
8b2f0795 DH |
1990 | |
1991 | /* allocate and fill v4l2 video struct */ | |
1992 | dev->vdev = video_device_alloc(); | |
62899a28 | 1993 | if (NULL == dev->vdev) { |
8b2f0795 DH |
1994 | dprintk(1, "Can't allocate video_device.\n"); |
1995 | return -ENOMEM; | |
1996 | } | |
1997 | ||
7f8eacd2 | 1998 | /* allocate the VBI struct */ |
8b2f0795 | 1999 | dev->vbi_dev = video_device_alloc(); |
62899a28 | 2000 | if (NULL == dev->vbi_dev) { |
8b2f0795 | 2001 | dprintk(1, "Can't allocate vbi_device.\n"); |
d63b21bf JL |
2002 | ret = -ENOMEM; |
2003 | goto err_vdev; | |
8b2f0795 DH |
2004 | } |
2005 | ||
2006 | /* Fill the video capture device struct */ | |
2007 | *dev->vdev = au0828_video_template; | |
e8c26f45 | 2008 | dev->vdev->v4l2_dev = &dev->v4l2_dev; |
549ee4df | 2009 | dev->vdev->lock = &dev->lock; |
83b09422 | 2010 | set_bit(V4L2_FL_USE_FH_PRIO, &dev->vdev->flags); |
8b2f0795 DH |
2011 | strcpy(dev->vdev->name, "au0828a video"); |
2012 | ||
2013 | /* Setup the VBI device */ | |
2014 | *dev->vbi_dev = au0828_video_template; | |
e8c26f45 | 2015 | dev->vbi_dev->v4l2_dev = &dev->v4l2_dev; |
549ee4df | 2016 | dev->vbi_dev->lock = &dev->lock; |
83b09422 | 2017 | set_bit(V4L2_FL_USE_FH_PRIO, &dev->vbi_dev->flags); |
8b2f0795 DH |
2018 | strcpy(dev->vbi_dev->name, "au0828a vbi"); |
2019 | ||
8b2f0795 | 2020 | /* Register the v4l2 device */ |
63b0d5ad | 2021 | video_set_drvdata(dev->vdev, dev); |
62899a28 DH |
2022 | retval = video_register_device(dev->vdev, VFL_TYPE_GRABBER, -1); |
2023 | if (retval != 0) { | |
2024 | dprintk(1, "unable to register video device (error = %d).\n", | |
2025 | retval); | |
d63b21bf JL |
2026 | ret = -ENODEV; |
2027 | goto err_vbi_dev; | |
8b2f0795 DH |
2028 | } |
2029 | ||
2030 | /* Register the vbi device */ | |
63b0d5ad | 2031 | video_set_drvdata(dev->vbi_dev, dev); |
62899a28 DH |
2032 | retval = video_register_device(dev->vbi_dev, VFL_TYPE_VBI, -1); |
2033 | if (retval != 0) { | |
2034 | dprintk(1, "unable to register vbi device (error = %d).\n", | |
2035 | retval); | |
d63b21bf JL |
2036 | ret = -ENODEV; |
2037 | goto err_vbi_dev; | |
8b2f0795 DH |
2038 | } |
2039 | ||
62899a28 | 2040 | dprintk(1, "%s completed!\n", __func__); |
8b2f0795 DH |
2041 | |
2042 | return 0; | |
d63b21bf JL |
2043 | |
2044 | err_vbi_dev: | |
2045 | video_device_release(dev->vbi_dev); | |
2046 | err_vdev: | |
2047 | video_device_release(dev->vdev); | |
2048 | return ret; | |
8b2f0795 DH |
2049 | } |
2050 |