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[media] Stop using linux/version.h on most video drivers
[mirror_ubuntu-artful-kernel.git] / drivers / media / video / zoran / zoran_driver.c
1 /*
2 * Zoran zr36057/zr36067 PCI controller driver, for the
3 * Pinnacle/Miro DC10/DC10+/DC30/DC30+, Iomega Buz, Linux
4 * Media Labs LML33/LML33R10.
5 *
6 * Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx>
7 *
8 * Changes for BUZ by Wolfgang Scherr <scherr@net4you.net>
9 *
10 * Changes for DC10/DC30 by Laurent Pinchart <laurent.pinchart@skynet.be>
11 *
12 * Changes for LML33R10 by Maxim Yevtyushkin <max@linuxmedialabs.com>
13 *
14 * Changes for videodev2/v4l2 by Ronald Bultje <rbultje@ronald.bitfreak.net>
15 *
16 * Based on
17 *
18 * Miro DC10 driver
19 * Copyright (C) 1999 Wolfgang Scherr <scherr@net4you.net>
20 *
21 * Iomega Buz driver version 1.0
22 * Copyright (C) 1999 Rainer Johanni <Rainer@Johanni.de>
23 *
24 * buz.0.0.3
25 * Copyright (C) 1998 Dave Perks <dperks@ibm.net>
26 *
27 * bttv - Bt848 frame grabber driver
28 * Copyright (C) 1996,97,98 Ralph Metzler (rjkm@thp.uni-koeln.de)
29 * & Marcus Metzler (mocm@thp.uni-koeln.de)
30 *
31 *
32 * This program is free software; you can redistribute it and/or modify
33 * it under the terms of the GNU General Public License as published by
34 * the Free Software Foundation; either version 2 of the License, or
35 * (at your option) any later version.
36 *
37 * This program is distributed in the hope that it will be useful,
38 * but WITHOUT ANY WARRANTY; without even the implied warranty of
39 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
40 * GNU General Public License for more details.
41 *
42 * You should have received a copy of the GNU General Public License
43 * along with this program; if not, write to the Free Software
44 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
45 */
46
47 #include <linux/init.h>
48 #include <linux/module.h>
49 #include <linux/delay.h>
50 #include <linux/slab.h>
51 #include <linux/pci.h>
52 #include <linux/vmalloc.h>
53 #include <linux/wait.h>
54
55 #include <linux/interrupt.h>
56 #include <linux/i2c.h>
57 #include <linux/i2c-algo-bit.h>
58
59 #include <linux/spinlock.h>
60
61 #include <linux/videodev2.h>
62 #include <media/v4l2-common.h>
63 #include <media/v4l2-ioctl.h>
64 #include "videocodec.h"
65
66 #include <asm/byteorder.h>
67 #include <asm/io.h>
68 #include <asm/uaccess.h>
69 #include <linux/proc_fs.h>
70
71 #include <linux/mutex.h>
72 #include "zoran.h"
73 #include "zoran_device.h"
74 #include "zoran_card.h"
75
76
77 const struct zoran_format zoran_formats[] = {
78 {
79 .name = "15-bit RGB LE",
80 .fourcc = V4L2_PIX_FMT_RGB555,
81 .colorspace = V4L2_COLORSPACE_SRGB,
82 .depth = 15,
83 .flags = ZORAN_FORMAT_CAPTURE |
84 ZORAN_FORMAT_OVERLAY,
85 .vfespfr = ZR36057_VFESPFR_RGB555|ZR36057_VFESPFR_ErrDif|
86 ZR36057_VFESPFR_LittleEndian,
87 }, {
88 .name = "15-bit RGB BE",
89 .fourcc = V4L2_PIX_FMT_RGB555X,
90 .colorspace = V4L2_COLORSPACE_SRGB,
91 .depth = 15,
92 .flags = ZORAN_FORMAT_CAPTURE |
93 ZORAN_FORMAT_OVERLAY,
94 .vfespfr = ZR36057_VFESPFR_RGB555|ZR36057_VFESPFR_ErrDif,
95 }, {
96 .name = "16-bit RGB LE",
97 .fourcc = V4L2_PIX_FMT_RGB565,
98 .colorspace = V4L2_COLORSPACE_SRGB,
99 .depth = 16,
100 .flags = ZORAN_FORMAT_CAPTURE |
101 ZORAN_FORMAT_OVERLAY,
102 .vfespfr = ZR36057_VFESPFR_RGB565|ZR36057_VFESPFR_ErrDif|
103 ZR36057_VFESPFR_LittleEndian,
104 }, {
105 .name = "16-bit RGB BE",
106 .fourcc = V4L2_PIX_FMT_RGB565X,
107 .colorspace = V4L2_COLORSPACE_SRGB,
108 .depth = 16,
109 .flags = ZORAN_FORMAT_CAPTURE |
110 ZORAN_FORMAT_OVERLAY,
111 .vfespfr = ZR36057_VFESPFR_RGB565|ZR36057_VFESPFR_ErrDif,
112 }, {
113 .name = "24-bit RGB",
114 .fourcc = V4L2_PIX_FMT_BGR24,
115 .colorspace = V4L2_COLORSPACE_SRGB,
116 .depth = 24,
117 .flags = ZORAN_FORMAT_CAPTURE |
118 ZORAN_FORMAT_OVERLAY,
119 .vfespfr = ZR36057_VFESPFR_RGB888|ZR36057_VFESPFR_Pack24,
120 }, {
121 .name = "32-bit RGB LE",
122 .fourcc = V4L2_PIX_FMT_BGR32,
123 .colorspace = V4L2_COLORSPACE_SRGB,
124 .depth = 32,
125 .flags = ZORAN_FORMAT_CAPTURE |
126 ZORAN_FORMAT_OVERLAY,
127 .vfespfr = ZR36057_VFESPFR_RGB888|ZR36057_VFESPFR_LittleEndian,
128 }, {
129 .name = "32-bit RGB BE",
130 .fourcc = V4L2_PIX_FMT_RGB32,
131 .colorspace = V4L2_COLORSPACE_SRGB,
132 .depth = 32,
133 .flags = ZORAN_FORMAT_CAPTURE |
134 ZORAN_FORMAT_OVERLAY,
135 .vfespfr = ZR36057_VFESPFR_RGB888,
136 }, {
137 .name = "4:2:2, packed, YUYV",
138 .fourcc = V4L2_PIX_FMT_YUYV,
139 .colorspace = V4L2_COLORSPACE_SMPTE170M,
140 .depth = 16,
141 .flags = ZORAN_FORMAT_CAPTURE |
142 ZORAN_FORMAT_OVERLAY,
143 .vfespfr = ZR36057_VFESPFR_YUV422,
144 }, {
145 .name = "4:2:2, packed, UYVY",
146 .fourcc = V4L2_PIX_FMT_UYVY,
147 .colorspace = V4L2_COLORSPACE_SMPTE170M,
148 .depth = 16,
149 .flags = ZORAN_FORMAT_CAPTURE |
150 ZORAN_FORMAT_OVERLAY,
151 .vfespfr = ZR36057_VFESPFR_YUV422|ZR36057_VFESPFR_LittleEndian,
152 }, {
153 .name = "Hardware-encoded Motion-JPEG",
154 .fourcc = V4L2_PIX_FMT_MJPEG,
155 .colorspace = V4L2_COLORSPACE_SMPTE170M,
156 .depth = 0,
157 .flags = ZORAN_FORMAT_CAPTURE |
158 ZORAN_FORMAT_PLAYBACK |
159 ZORAN_FORMAT_COMPRESSED,
160 }
161 };
162 #define NUM_FORMATS ARRAY_SIZE(zoran_formats)
163
164 /* small helper function for calculating buffersizes for v4l2
165 * we calculate the nearest higher power-of-two, which
166 * will be the recommended buffersize */
167 static __u32
168 zoran_v4l2_calc_bufsize (struct zoran_jpg_settings *settings)
169 {
170 __u8 div = settings->VerDcm * settings->HorDcm * settings->TmpDcm;
171 __u32 num = (1024 * 512) / (div);
172 __u32 result = 2;
173
174 num--;
175 while (num) {
176 num >>= 1;
177 result <<= 1;
178 }
179
180 if (result > jpg_bufsize)
181 return jpg_bufsize;
182 if (result < 8192)
183 return 8192;
184 return result;
185 }
186
187 /* forward references */
188 static void v4l_fbuffer_free(struct zoran_fh *fh);
189 static void jpg_fbuffer_free(struct zoran_fh *fh);
190
191 /* Set mapping mode */
192 static void map_mode_raw(struct zoran_fh *fh)
193 {
194 fh->map_mode = ZORAN_MAP_MODE_RAW;
195 fh->buffers.buffer_size = v4l_bufsize;
196 fh->buffers.num_buffers = v4l_nbufs;
197 }
198 static void map_mode_jpg(struct zoran_fh *fh, int play)
199 {
200 fh->map_mode = play ? ZORAN_MAP_MODE_JPG_PLAY : ZORAN_MAP_MODE_JPG_REC;
201 fh->buffers.buffer_size = jpg_bufsize;
202 fh->buffers.num_buffers = jpg_nbufs;
203 }
204 static inline const char *mode_name(enum zoran_map_mode mode)
205 {
206 return mode == ZORAN_MAP_MODE_RAW ? "V4L" : "JPG";
207 }
208
209 /*
210 * Allocate the V4L grab buffers
211 *
212 * These have to be pysically contiguous.
213 */
214
215 static int v4l_fbuffer_alloc(struct zoran_fh *fh)
216 {
217 struct zoran *zr = fh->zr;
218 int i, off;
219 unsigned char *mem;
220
221 for (i = 0; i < fh->buffers.num_buffers; i++) {
222 if (fh->buffers.buffer[i].v4l.fbuffer)
223 dprintk(2,
224 KERN_WARNING
225 "%s: %s - buffer %d already allocated!?\n",
226 ZR_DEVNAME(zr), __func__, i);
227
228 //udelay(20);
229 mem = kmalloc(fh->buffers.buffer_size,
230 GFP_KERNEL | __GFP_NOWARN);
231 if (!mem) {
232 dprintk(1,
233 KERN_ERR
234 "%s: %s - kmalloc for V4L buf %d failed\n",
235 ZR_DEVNAME(zr), __func__, i);
236 v4l_fbuffer_free(fh);
237 return -ENOBUFS;
238 }
239 fh->buffers.buffer[i].v4l.fbuffer = mem;
240 fh->buffers.buffer[i].v4l.fbuffer_phys = virt_to_phys(mem);
241 fh->buffers.buffer[i].v4l.fbuffer_bus = virt_to_bus(mem);
242 for (off = 0; off < fh->buffers.buffer_size;
243 off += PAGE_SIZE)
244 SetPageReserved(virt_to_page(mem + off));
245 dprintk(4,
246 KERN_INFO
247 "%s: %s - V4L frame %d mem 0x%lx (bus: 0x%llx)\n",
248 ZR_DEVNAME(zr), __func__, i, (unsigned long) mem,
249 (unsigned long long)virt_to_bus(mem));
250 }
251
252 fh->buffers.allocated = 1;
253
254 return 0;
255 }
256
257 /* free the V4L grab buffers */
258 static void v4l_fbuffer_free(struct zoran_fh *fh)
259 {
260 struct zoran *zr = fh->zr;
261 int i, off;
262 unsigned char *mem;
263
264 dprintk(4, KERN_INFO "%s: %s\n", ZR_DEVNAME(zr), __func__);
265
266 for (i = 0; i < fh->buffers.num_buffers; i++) {
267 if (!fh->buffers.buffer[i].v4l.fbuffer)
268 continue;
269
270 mem = fh->buffers.buffer[i].v4l.fbuffer;
271 for (off = 0; off < fh->buffers.buffer_size;
272 off += PAGE_SIZE)
273 ClearPageReserved(virt_to_page(mem + off));
274 kfree(fh->buffers.buffer[i].v4l.fbuffer);
275 fh->buffers.buffer[i].v4l.fbuffer = NULL;
276 }
277
278 fh->buffers.allocated = 0;
279 }
280
281 /*
282 * Allocate the MJPEG grab buffers.
283 *
284 * If a Natoma chipset is present and this is a revision 1 zr36057,
285 * each MJPEG buffer needs to be physically contiguous.
286 * (RJ: This statement is from Dave Perks' original driver,
287 * I could never check it because I have a zr36067)
288 *
289 * RJ: The contents grab buffers needs never be accessed in the driver.
290 * Therefore there is no need to allocate them with vmalloc in order
291 * to get a contiguous virtual memory space.
292 * I don't understand why many other drivers first allocate them with
293 * vmalloc (which uses internally also get_zeroed_page, but delivers you
294 * virtual addresses) and then again have to make a lot of efforts
295 * to get the physical address.
296 *
297 * Ben Capper:
298 * On big-endian architectures (such as ppc) some extra steps
299 * are needed. When reading and writing to the stat_com array
300 * and fragment buffers, the device expects to see little-
301 * endian values. The use of cpu_to_le32() and le32_to_cpu()
302 * in this function (and one or two others in zoran_device.c)
303 * ensure that these values are always stored in little-endian
304 * form, regardless of architecture. The zr36057 does Very Bad
305 * Things on big endian architectures if the stat_com array
306 * and fragment buffers are not little-endian.
307 */
308
309 static int jpg_fbuffer_alloc(struct zoran_fh *fh)
310 {
311 struct zoran *zr = fh->zr;
312 int i, j, off;
313 u8 *mem;
314
315 for (i = 0; i < fh->buffers.num_buffers; i++) {
316 if (fh->buffers.buffer[i].jpg.frag_tab)
317 dprintk(2,
318 KERN_WARNING
319 "%s: %s - buffer %d already allocated!?\n",
320 ZR_DEVNAME(zr), __func__, i);
321
322 /* Allocate fragment table for this buffer */
323
324 mem = (void *)get_zeroed_page(GFP_KERNEL);
325 if (!mem) {
326 dprintk(1,
327 KERN_ERR
328 "%s: %s - get_zeroed_page (frag_tab) failed for buffer %d\n",
329 ZR_DEVNAME(zr), __func__, i);
330 jpg_fbuffer_free(fh);
331 return -ENOBUFS;
332 }
333 fh->buffers.buffer[i].jpg.frag_tab = (__le32 *)mem;
334 fh->buffers.buffer[i].jpg.frag_tab_bus = virt_to_bus(mem);
335
336 if (fh->buffers.need_contiguous) {
337 mem = kmalloc(fh->buffers.buffer_size, GFP_KERNEL);
338 if (mem == NULL) {
339 dprintk(1,
340 KERN_ERR
341 "%s: %s - kmalloc failed for buffer %d\n",
342 ZR_DEVNAME(zr), __func__, i);
343 jpg_fbuffer_free(fh);
344 return -ENOBUFS;
345 }
346 fh->buffers.buffer[i].jpg.frag_tab[0] =
347 cpu_to_le32(virt_to_bus(mem));
348 fh->buffers.buffer[i].jpg.frag_tab[1] =
349 cpu_to_le32((fh->buffers.buffer_size >> 1) | 1);
350 for (off = 0; off < fh->buffers.buffer_size; off += PAGE_SIZE)
351 SetPageReserved(virt_to_page(mem + off));
352 } else {
353 /* jpg_bufsize is already page aligned */
354 for (j = 0; j < fh->buffers.buffer_size / PAGE_SIZE; j++) {
355 mem = (void *)get_zeroed_page(GFP_KERNEL);
356 if (mem == NULL) {
357 dprintk(1,
358 KERN_ERR
359 "%s: %s - get_zeroed_page failed for buffer %d\n",
360 ZR_DEVNAME(zr), __func__, i);
361 jpg_fbuffer_free(fh);
362 return -ENOBUFS;
363 }
364
365 fh->buffers.buffer[i].jpg.frag_tab[2 * j] =
366 cpu_to_le32(virt_to_bus(mem));
367 fh->buffers.buffer[i].jpg.frag_tab[2 * j + 1] =
368 cpu_to_le32((PAGE_SIZE >> 2) << 1);
369 SetPageReserved(virt_to_page(mem));
370 }
371
372 fh->buffers.buffer[i].jpg.frag_tab[2 * j - 1] |= cpu_to_le32(1);
373 }
374 }
375
376 dprintk(4,
377 KERN_DEBUG "%s: %s - %d KB allocated\n",
378 ZR_DEVNAME(zr), __func__,
379 (fh->buffers.num_buffers * fh->buffers.buffer_size) >> 10);
380
381 fh->buffers.allocated = 1;
382
383 return 0;
384 }
385
386 /* free the MJPEG grab buffers */
387 static void jpg_fbuffer_free(struct zoran_fh *fh)
388 {
389 struct zoran *zr = fh->zr;
390 int i, j, off;
391 unsigned char *mem;
392 __le32 frag_tab;
393 struct zoran_buffer *buffer;
394
395 dprintk(4, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
396
397 for (i = 0, buffer = &fh->buffers.buffer[0];
398 i < fh->buffers.num_buffers; i++, buffer++) {
399 if (!buffer->jpg.frag_tab)
400 continue;
401
402 if (fh->buffers.need_contiguous) {
403 frag_tab = buffer->jpg.frag_tab[0];
404
405 if (frag_tab) {
406 mem = bus_to_virt(le32_to_cpu(frag_tab));
407 for (off = 0; off < fh->buffers.buffer_size; off += PAGE_SIZE)
408 ClearPageReserved(virt_to_page(mem + off));
409 kfree(mem);
410 buffer->jpg.frag_tab[0] = 0;
411 buffer->jpg.frag_tab[1] = 0;
412 }
413 } else {
414 for (j = 0; j < fh->buffers.buffer_size / PAGE_SIZE; j++) {
415 frag_tab = buffer->jpg.frag_tab[2 * j];
416
417 if (!frag_tab)
418 break;
419 ClearPageReserved(virt_to_page(bus_to_virt(le32_to_cpu(frag_tab))));
420 free_page((unsigned long)bus_to_virt(le32_to_cpu(frag_tab)));
421 buffer->jpg.frag_tab[2 * j] = 0;
422 buffer->jpg.frag_tab[2 * j + 1] = 0;
423 }
424 }
425
426 free_page((unsigned long)buffer->jpg.frag_tab);
427 buffer->jpg.frag_tab = NULL;
428 }
429
430 fh->buffers.allocated = 0;
431 }
432
433 /*
434 * V4L Buffer grabbing
435 */
436
437 static int
438 zoran_v4l_set_format (struct zoran_fh *fh,
439 int width,
440 int height,
441 const struct zoran_format *format)
442 {
443 struct zoran *zr = fh->zr;
444 int bpp;
445
446 /* Check size and format of the grab wanted */
447
448 if (height < BUZ_MIN_HEIGHT || width < BUZ_MIN_WIDTH ||
449 height > BUZ_MAX_HEIGHT || width > BUZ_MAX_WIDTH) {
450 dprintk(1,
451 KERN_ERR
452 "%s: %s - wrong frame size (%dx%d)\n",
453 ZR_DEVNAME(zr), __func__, width, height);
454 return -EINVAL;
455 }
456
457 bpp = (format->depth + 7) / 8;
458
459 /* Check against available buffer size */
460 if (height * width * bpp > fh->buffers.buffer_size) {
461 dprintk(1,
462 KERN_ERR
463 "%s: %s - video buffer size (%d kB) is too small\n",
464 ZR_DEVNAME(zr), __func__, fh->buffers.buffer_size >> 10);
465 return -EINVAL;
466 }
467
468 /* The video front end needs 4-byte alinged line sizes */
469
470 if ((bpp == 2 && (width & 1)) || (bpp == 3 && (width & 3))) {
471 dprintk(1,
472 KERN_ERR
473 "%s: %s - wrong frame alignment\n",
474 ZR_DEVNAME(zr), __func__);
475 return -EINVAL;
476 }
477
478 fh->v4l_settings.width = width;
479 fh->v4l_settings.height = height;
480 fh->v4l_settings.format = format;
481 fh->v4l_settings.bytesperline = bpp * fh->v4l_settings.width;
482
483 return 0;
484 }
485
486 static int zoran_v4l_queue_frame(struct zoran_fh *fh, int num)
487 {
488 struct zoran *zr = fh->zr;
489 unsigned long flags;
490 int res = 0;
491
492 if (!fh->buffers.allocated) {
493 dprintk(1,
494 KERN_ERR
495 "%s: %s - buffers not yet allocated\n",
496 ZR_DEVNAME(zr), __func__);
497 res = -ENOMEM;
498 }
499
500 /* No grabbing outside the buffer range! */
501 if (num >= fh->buffers.num_buffers || num < 0) {
502 dprintk(1,
503 KERN_ERR
504 "%s: %s - buffer %d is out of range\n",
505 ZR_DEVNAME(zr), __func__, num);
506 res = -EINVAL;
507 }
508
509 spin_lock_irqsave(&zr->spinlock, flags);
510
511 if (fh->buffers.active == ZORAN_FREE) {
512 if (zr->v4l_buffers.active == ZORAN_FREE) {
513 zr->v4l_buffers = fh->buffers;
514 fh->buffers.active = ZORAN_ACTIVE;
515 } else {
516 dprintk(1,
517 KERN_ERR
518 "%s: %s - another session is already capturing\n",
519 ZR_DEVNAME(zr), __func__);
520 res = -EBUSY;
521 }
522 }
523
524 /* make sure a grab isn't going on currently with this buffer */
525 if (!res) {
526 switch (zr->v4l_buffers.buffer[num].state) {
527 default:
528 case BUZ_STATE_PEND:
529 if (zr->v4l_buffers.active == ZORAN_FREE) {
530 fh->buffers.active = ZORAN_FREE;
531 zr->v4l_buffers.allocated = 0;
532 }
533 res = -EBUSY; /* what are you doing? */
534 break;
535 case BUZ_STATE_DONE:
536 dprintk(2,
537 KERN_WARNING
538 "%s: %s - queueing buffer %d in state DONE!?\n",
539 ZR_DEVNAME(zr), __func__, num);
540 case BUZ_STATE_USER:
541 /* since there is at least one unused buffer there's room for at least
542 * one more pend[] entry */
543 zr->v4l_pend[zr->v4l_pend_head++ & V4L_MASK_FRAME] = num;
544 zr->v4l_buffers.buffer[num].state = BUZ_STATE_PEND;
545 zr->v4l_buffers.buffer[num].bs.length =
546 fh->v4l_settings.bytesperline *
547 zr->v4l_settings.height;
548 fh->buffers.buffer[num] = zr->v4l_buffers.buffer[num];
549 break;
550 }
551 }
552
553 spin_unlock_irqrestore(&zr->spinlock, flags);
554
555 if (!res && zr->v4l_buffers.active == ZORAN_FREE)
556 zr->v4l_buffers.active = fh->buffers.active;
557
558 return res;
559 }
560
561 /*
562 * Sync on a V4L buffer
563 */
564
565 static int v4l_sync(struct zoran_fh *fh, int frame)
566 {
567 struct zoran *zr = fh->zr;
568 unsigned long flags;
569
570 if (fh->buffers.active == ZORAN_FREE) {
571 dprintk(1,
572 KERN_ERR
573 "%s: %s - no grab active for this session\n",
574 ZR_DEVNAME(zr), __func__);
575 return -EINVAL;
576 }
577
578 /* check passed-in frame number */
579 if (frame >= fh->buffers.num_buffers || frame < 0) {
580 dprintk(1,
581 KERN_ERR "%s: %s - frame %d is invalid\n",
582 ZR_DEVNAME(zr), __func__, frame);
583 return -EINVAL;
584 }
585
586 /* Check if is buffer was queued at all */
587 if (zr->v4l_buffers.buffer[frame].state == BUZ_STATE_USER) {
588 dprintk(1,
589 KERN_ERR
590 "%s: %s - attempt to sync on a buffer which was not queued?\n",
591 ZR_DEVNAME(zr), __func__);
592 return -EPROTO;
593 }
594
595 /* wait on this buffer to get ready */
596 if (!wait_event_interruptible_timeout(zr->v4l_capq,
597 (zr->v4l_buffers.buffer[frame].state != BUZ_STATE_PEND), 10*HZ))
598 return -ETIME;
599 if (signal_pending(current))
600 return -ERESTARTSYS;
601
602 /* buffer should now be in BUZ_STATE_DONE */
603 if (zr->v4l_buffers.buffer[frame].state != BUZ_STATE_DONE)
604 dprintk(2,
605 KERN_ERR "%s: %s - internal state error\n",
606 ZR_DEVNAME(zr), __func__);
607
608 zr->v4l_buffers.buffer[frame].state = BUZ_STATE_USER;
609 fh->buffers.buffer[frame] = zr->v4l_buffers.buffer[frame];
610
611 spin_lock_irqsave(&zr->spinlock, flags);
612
613 /* Check if streaming capture has finished */
614 if (zr->v4l_pend_tail == zr->v4l_pend_head) {
615 zr36057_set_memgrab(zr, 0);
616 if (zr->v4l_buffers.active == ZORAN_ACTIVE) {
617 fh->buffers.active = zr->v4l_buffers.active = ZORAN_FREE;
618 zr->v4l_buffers.allocated = 0;
619 }
620 }
621
622 spin_unlock_irqrestore(&zr->spinlock, flags);
623
624 return 0;
625 }
626
627 /*
628 * Queue a MJPEG buffer for capture/playback
629 */
630
631 static int zoran_jpg_queue_frame(struct zoran_fh *fh, int num,
632 enum zoran_codec_mode mode)
633 {
634 struct zoran *zr = fh->zr;
635 unsigned long flags;
636 int res = 0;
637
638 /* Check if buffers are allocated */
639 if (!fh->buffers.allocated) {
640 dprintk(1,
641 KERN_ERR
642 "%s: %s - buffers not yet allocated\n",
643 ZR_DEVNAME(zr), __func__);
644 return -ENOMEM;
645 }
646
647 /* No grabbing outside the buffer range! */
648 if (num >= fh->buffers.num_buffers || num < 0) {
649 dprintk(1,
650 KERN_ERR
651 "%s: %s - buffer %d out of range\n",
652 ZR_DEVNAME(zr), __func__, num);
653 return -EINVAL;
654 }
655
656 /* what is the codec mode right now? */
657 if (zr->codec_mode == BUZ_MODE_IDLE) {
658 zr->jpg_settings = fh->jpg_settings;
659 } else if (zr->codec_mode != mode) {
660 /* wrong codec mode active - invalid */
661 dprintk(1,
662 KERN_ERR
663 "%s: %s - codec in wrong mode\n",
664 ZR_DEVNAME(zr), __func__);
665 return -EINVAL;
666 }
667
668 if (fh->buffers.active == ZORAN_FREE) {
669 if (zr->jpg_buffers.active == ZORAN_FREE) {
670 zr->jpg_buffers = fh->buffers;
671 fh->buffers.active = ZORAN_ACTIVE;
672 } else {
673 dprintk(1,
674 KERN_ERR
675 "%s: %s - another session is already capturing\n",
676 ZR_DEVNAME(zr), __func__);
677 res = -EBUSY;
678 }
679 }
680
681 if (!res && zr->codec_mode == BUZ_MODE_IDLE) {
682 /* Ok load up the jpeg codec */
683 zr36057_enable_jpg(zr, mode);
684 }
685
686 spin_lock_irqsave(&zr->spinlock, flags);
687
688 if (!res) {
689 switch (zr->jpg_buffers.buffer[num].state) {
690 case BUZ_STATE_DONE:
691 dprintk(2,
692 KERN_WARNING
693 "%s: %s - queing frame in BUZ_STATE_DONE state!?\n",
694 ZR_DEVNAME(zr), __func__);
695 case BUZ_STATE_USER:
696 /* since there is at least one unused buffer there's room for at
697 *least one more pend[] entry */
698 zr->jpg_pend[zr->jpg_que_head++ & BUZ_MASK_FRAME] = num;
699 zr->jpg_buffers.buffer[num].state = BUZ_STATE_PEND;
700 fh->buffers.buffer[num] = zr->jpg_buffers.buffer[num];
701 zoran_feed_stat_com(zr);
702 break;
703 default:
704 case BUZ_STATE_DMA:
705 case BUZ_STATE_PEND:
706 if (zr->jpg_buffers.active == ZORAN_FREE) {
707 fh->buffers.active = ZORAN_FREE;
708 zr->jpg_buffers.allocated = 0;
709 }
710 res = -EBUSY; /* what are you doing? */
711 break;
712 }
713 }
714
715 spin_unlock_irqrestore(&zr->spinlock, flags);
716
717 if (!res && zr->jpg_buffers.active == ZORAN_FREE)
718 zr->jpg_buffers.active = fh->buffers.active;
719
720 return res;
721 }
722
723 static int jpg_qbuf(struct zoran_fh *fh, int frame, enum zoran_codec_mode mode)
724 {
725 struct zoran *zr = fh->zr;
726 int res = 0;
727
728 /* Does the user want to stop streaming? */
729 if (frame < 0) {
730 if (zr->codec_mode == mode) {
731 if (fh->buffers.active == ZORAN_FREE) {
732 dprintk(1,
733 KERN_ERR
734 "%s: %s(-1) - session not active\n",
735 ZR_DEVNAME(zr), __func__);
736 return -EINVAL;
737 }
738 fh->buffers.active = zr->jpg_buffers.active = ZORAN_FREE;
739 zr->jpg_buffers.allocated = 0;
740 zr36057_enable_jpg(zr, BUZ_MODE_IDLE);
741 return 0;
742 } else {
743 dprintk(1,
744 KERN_ERR
745 "%s: %s - stop streaming but not in streaming mode\n",
746 ZR_DEVNAME(zr), __func__);
747 return -EINVAL;
748 }
749 }
750
751 if ((res = zoran_jpg_queue_frame(fh, frame, mode)))
752 return res;
753
754 /* Start the jpeg codec when the first frame is queued */
755 if (!res && zr->jpg_que_head == 1)
756 jpeg_start(zr);
757
758 return res;
759 }
760
761 /*
762 * Sync on a MJPEG buffer
763 */
764
765 static int jpg_sync(struct zoran_fh *fh, struct zoran_sync *bs)
766 {
767 struct zoran *zr = fh->zr;
768 unsigned long flags;
769 int frame;
770
771 if (fh->buffers.active == ZORAN_FREE) {
772 dprintk(1,
773 KERN_ERR
774 "%s: %s - capture is not currently active\n",
775 ZR_DEVNAME(zr), __func__);
776 return -EINVAL;
777 }
778 if (zr->codec_mode != BUZ_MODE_MOTION_DECOMPRESS &&
779 zr->codec_mode != BUZ_MODE_MOTION_COMPRESS) {
780 dprintk(1,
781 KERN_ERR
782 "%s: %s - codec not in streaming mode\n",
783 ZR_DEVNAME(zr), __func__);
784 return -EINVAL;
785 }
786 if (!wait_event_interruptible_timeout(zr->jpg_capq,
787 (zr->jpg_que_tail != zr->jpg_dma_tail ||
788 zr->jpg_dma_tail == zr->jpg_dma_head),
789 10*HZ)) {
790 int isr;
791
792 btand(~ZR36057_JMC_Go_en, ZR36057_JMC);
793 udelay(1);
794 zr->codec->control(zr->codec, CODEC_G_STATUS,
795 sizeof(isr), &isr);
796 dprintk(1,
797 KERN_ERR
798 "%s: %s - timeout: codec isr=0x%02x\n",
799 ZR_DEVNAME(zr), __func__, isr);
800
801 return -ETIME;
802
803 }
804 if (signal_pending(current))
805 return -ERESTARTSYS;
806
807 spin_lock_irqsave(&zr->spinlock, flags);
808
809 if (zr->jpg_dma_tail != zr->jpg_dma_head)
810 frame = zr->jpg_pend[zr->jpg_que_tail++ & BUZ_MASK_FRAME];
811 else
812 frame = zr->jpg_pend[zr->jpg_que_tail & BUZ_MASK_FRAME];
813
814 /* buffer should now be in BUZ_STATE_DONE */
815 if (zr->jpg_buffers.buffer[frame].state != BUZ_STATE_DONE)
816 dprintk(2,
817 KERN_ERR "%s: %s - internal state error\n",
818 ZR_DEVNAME(zr), __func__);
819
820 *bs = zr->jpg_buffers.buffer[frame].bs;
821 bs->frame = frame;
822 zr->jpg_buffers.buffer[frame].state = BUZ_STATE_USER;
823 fh->buffers.buffer[frame] = zr->jpg_buffers.buffer[frame];
824
825 spin_unlock_irqrestore(&zr->spinlock, flags);
826
827 return 0;
828 }
829
830 static void zoran_open_init_session(struct zoran_fh *fh)
831 {
832 int i;
833 struct zoran *zr = fh->zr;
834
835 /* Per default, map the V4L Buffers */
836 map_mode_raw(fh);
837
838 /* take over the card's current settings */
839 fh->overlay_settings = zr->overlay_settings;
840 fh->overlay_settings.is_set = 0;
841 fh->overlay_settings.format = zr->overlay_settings.format;
842 fh->overlay_active = ZORAN_FREE;
843
844 /* v4l settings */
845 fh->v4l_settings = zr->v4l_settings;
846 /* jpg settings */
847 fh->jpg_settings = zr->jpg_settings;
848
849 /* buffers */
850 memset(&fh->buffers, 0, sizeof(fh->buffers));
851 for (i = 0; i < MAX_FRAME; i++) {
852 fh->buffers.buffer[i].state = BUZ_STATE_USER; /* nothing going on */
853 fh->buffers.buffer[i].bs.frame = i;
854 }
855 fh->buffers.allocated = 0;
856 fh->buffers.active = ZORAN_FREE;
857 }
858
859 static void zoran_close_end_session(struct zoran_fh *fh)
860 {
861 struct zoran *zr = fh->zr;
862
863 /* overlay */
864 if (fh->overlay_active != ZORAN_FREE) {
865 fh->overlay_active = zr->overlay_active = ZORAN_FREE;
866 zr->v4l_overlay_active = 0;
867 if (!zr->v4l_memgrab_active)
868 zr36057_overlay(zr, 0);
869 zr->overlay_mask = NULL;
870 }
871
872 if (fh->map_mode == ZORAN_MAP_MODE_RAW) {
873 /* v4l capture */
874 if (fh->buffers.active != ZORAN_FREE) {
875 unsigned long flags;
876
877 spin_lock_irqsave(&zr->spinlock, flags);
878 zr36057_set_memgrab(zr, 0);
879 zr->v4l_buffers.allocated = 0;
880 zr->v4l_buffers.active = fh->buffers.active = ZORAN_FREE;
881 spin_unlock_irqrestore(&zr->spinlock, flags);
882 }
883
884 /* v4l buffers */
885 if (fh->buffers.allocated)
886 v4l_fbuffer_free(fh);
887 } else {
888 /* jpg capture */
889 if (fh->buffers.active != ZORAN_FREE) {
890 zr36057_enable_jpg(zr, BUZ_MODE_IDLE);
891 zr->jpg_buffers.allocated = 0;
892 zr->jpg_buffers.active = fh->buffers.active = ZORAN_FREE;
893 }
894
895 /* jpg buffers */
896 if (fh->buffers.allocated)
897 jpg_fbuffer_free(fh);
898 }
899 }
900
901 /*
902 * Open a zoran card. Right now the flags stuff is just playing
903 */
904
905 static int zoran_open(struct file *file)
906 {
907 struct zoran *zr = video_drvdata(file);
908 struct zoran_fh *fh;
909 int res, first_open = 0;
910
911 dprintk(2, KERN_INFO "%s: %s(%s, pid=[%d]), users(-)=%d\n",
912 ZR_DEVNAME(zr), __func__, current->comm, task_pid_nr(current), zr->user + 1);
913
914 mutex_lock(&zr->other_lock);
915
916 if (zr->user >= 2048) {
917 dprintk(1, KERN_ERR "%s: too many users (%d) on device\n",
918 ZR_DEVNAME(zr), zr->user);
919 res = -EBUSY;
920 goto fail_unlock;
921 }
922
923 /* now, create the open()-specific file_ops struct */
924 fh = kzalloc(sizeof(struct zoran_fh), GFP_KERNEL);
925 if (!fh) {
926 dprintk(1,
927 KERN_ERR
928 "%s: %s - allocation of zoran_fh failed\n",
929 ZR_DEVNAME(zr), __func__);
930 res = -ENOMEM;
931 goto fail_unlock;
932 }
933 /* used to be BUZ_MAX_WIDTH/HEIGHT, but that gives overflows
934 * on norm-change! */
935 fh->overlay_mask =
936 kmalloc(((768 + 31) / 32) * 576 * 4, GFP_KERNEL);
937 if (!fh->overlay_mask) {
938 dprintk(1,
939 KERN_ERR
940 "%s: %s - allocation of overlay_mask failed\n",
941 ZR_DEVNAME(zr), __func__);
942 res = -ENOMEM;
943 goto fail_fh;
944 }
945
946 if (zr->user++ == 0)
947 first_open = 1;
948
949 /*mutex_unlock(&zr->resource_lock);*/
950
951 /* default setup - TODO: look at flags */
952 if (first_open) { /* First device open */
953 zr36057_restart(zr);
954 zoran_open_init_params(zr);
955 zoran_init_hardware(zr);
956
957 btor(ZR36057_ICR_IntPinEn, ZR36057_ICR);
958 }
959
960 /* set file_ops stuff */
961 file->private_data = fh;
962 fh->zr = zr;
963 zoran_open_init_session(fh);
964 mutex_unlock(&zr->other_lock);
965
966 return 0;
967
968 fail_fh:
969 kfree(fh);
970 fail_unlock:
971 mutex_unlock(&zr->other_lock);
972
973 dprintk(2, KERN_INFO "%s: open failed (%d), users(-)=%d\n",
974 ZR_DEVNAME(zr), res, zr->user);
975
976 return res;
977 }
978
979 static int
980 zoran_close(struct file *file)
981 {
982 struct zoran_fh *fh = file->private_data;
983 struct zoran *zr = fh->zr;
984
985 dprintk(2, KERN_INFO "%s: %s(%s, pid=[%d]), users(+)=%d\n",
986 ZR_DEVNAME(zr), __func__, current->comm, task_pid_nr(current), zr->user - 1);
987
988 /* kernel locks (fs/device.c), so don't do that ourselves
989 * (prevents deadlocks) */
990 mutex_lock(&zr->other_lock);
991
992 zoran_close_end_session(fh);
993
994 if (zr->user-- == 1) { /* Last process */
995 /* Clean up JPEG process */
996 wake_up_interruptible(&zr->jpg_capq);
997 zr36057_enable_jpg(zr, BUZ_MODE_IDLE);
998 zr->jpg_buffers.allocated = 0;
999 zr->jpg_buffers.active = ZORAN_FREE;
1000
1001 /* disable interrupts */
1002 btand(~ZR36057_ICR_IntPinEn, ZR36057_ICR);
1003
1004 if (zr36067_debug > 1)
1005 print_interrupts(zr);
1006
1007 /* Overlay off */
1008 zr->v4l_overlay_active = 0;
1009 zr36057_overlay(zr, 0);
1010 zr->overlay_mask = NULL;
1011
1012 /* capture off */
1013 wake_up_interruptible(&zr->v4l_capq);
1014 zr36057_set_memgrab(zr, 0);
1015 zr->v4l_buffers.allocated = 0;
1016 zr->v4l_buffers.active = ZORAN_FREE;
1017 zoran_set_pci_master(zr, 0);
1018
1019 if (!pass_through) { /* Switch to color bar */
1020 decoder_call(zr, video, s_stream, 0);
1021 encoder_call(zr, video, s_routing, 2, 0, 0);
1022 }
1023 }
1024 mutex_unlock(&zr->other_lock);
1025
1026 file->private_data = NULL;
1027 kfree(fh->overlay_mask);
1028 kfree(fh);
1029
1030 dprintk(4, KERN_INFO "%s: %s done\n", ZR_DEVNAME(zr), __func__);
1031
1032 return 0;
1033 }
1034
1035
1036 static ssize_t
1037 zoran_read (struct file *file,
1038 char __user *data,
1039 size_t count,
1040 loff_t *ppos)
1041 {
1042 /* we simply don't support read() (yet)... */
1043
1044 return -EINVAL;
1045 }
1046
1047 static ssize_t
1048 zoran_write (struct file *file,
1049 const char __user *data,
1050 size_t count,
1051 loff_t *ppos)
1052 {
1053 /* ...and the same goes for write() */
1054
1055 return -EINVAL;
1056 }
1057
1058 static int setup_fbuffer(struct zoran_fh *fh,
1059 void *base,
1060 const struct zoran_format *fmt,
1061 int width,
1062 int height,
1063 int bytesperline)
1064 {
1065 struct zoran *zr = fh->zr;
1066
1067 /* (Ronald) v4l/v4l2 guidelines */
1068 if (!capable(CAP_SYS_ADMIN) && !capable(CAP_SYS_RAWIO))
1069 return -EPERM;
1070
1071 /* Don't allow frame buffer overlay if PCI or AGP is buggy, or on
1072 ALi Magik (that needs very low latency while the card needs a
1073 higher value always) */
1074
1075 if (pci_pci_problems & (PCIPCI_FAIL | PCIAGP_FAIL | PCIPCI_ALIMAGIK))
1076 return -ENXIO;
1077
1078 /* we need a bytesperline value, even if not given */
1079 if (!bytesperline)
1080 bytesperline = width * ((fmt->depth + 7) & ~7) / 8;
1081
1082 #if 0
1083 if (zr->overlay_active) {
1084 /* dzjee... stupid users... don't even bother to turn off
1085 * overlay before changing the memory location...
1086 * normally, we would return errors here. However, one of
1087 * the tools that does this is... xawtv! and since xawtv
1088 * is used by +/- 99% of the users, we'd rather be user-
1089 * friendly and silently do as if nothing went wrong */
1090 dprintk(3,
1091 KERN_ERR
1092 "%s: %s - forced overlay turnoff because framebuffer changed\n",
1093 ZR_DEVNAME(zr), __func__);
1094 zr36057_overlay(zr, 0);
1095 }
1096 #endif
1097
1098 if (!(fmt->flags & ZORAN_FORMAT_OVERLAY)) {
1099 dprintk(1,
1100 KERN_ERR
1101 "%s: %s - no valid overlay format given\n",
1102 ZR_DEVNAME(zr), __func__);
1103 return -EINVAL;
1104 }
1105 if (height <= 0 || width <= 0 || bytesperline <= 0) {
1106 dprintk(1,
1107 KERN_ERR
1108 "%s: %s - invalid height/width/bpl value (%d|%d|%d)\n",
1109 ZR_DEVNAME(zr), __func__, width, height, bytesperline);
1110 return -EINVAL;
1111 }
1112 if (bytesperline & 3) {
1113 dprintk(1,
1114 KERN_ERR
1115 "%s: %s - bytesperline (%d) must be 4-byte aligned\n",
1116 ZR_DEVNAME(zr), __func__, bytesperline);
1117 return -EINVAL;
1118 }
1119
1120 zr->vbuf_base = (void *) ((unsigned long) base & ~3);
1121 zr->vbuf_height = height;
1122 zr->vbuf_width = width;
1123 zr->vbuf_depth = fmt->depth;
1124 zr->overlay_settings.format = fmt;
1125 zr->vbuf_bytesperline = bytesperline;
1126
1127 /* The user should set new window parameters */
1128 zr->overlay_settings.is_set = 0;
1129
1130 return 0;
1131 }
1132
1133
1134 static int setup_window(struct zoran_fh *fh, int x, int y, int width, int height,
1135 struct v4l2_clip __user *clips, int clipcount, void __user *bitmap)
1136 {
1137 struct zoran *zr = fh->zr;
1138 struct v4l2_clip *vcp = NULL;
1139 int on, end;
1140
1141
1142 if (!zr->vbuf_base) {
1143 dprintk(1,
1144 KERN_ERR
1145 "%s: %s - frame buffer has to be set first\n",
1146 ZR_DEVNAME(zr), __func__);
1147 return -EINVAL;
1148 }
1149
1150 if (!fh->overlay_settings.format) {
1151 dprintk(1,
1152 KERN_ERR
1153 "%s: %s - no overlay format set\n",
1154 ZR_DEVNAME(zr), __func__);
1155 return -EINVAL;
1156 }
1157
1158 /*
1159 * The video front end needs 4-byte alinged line sizes, we correct that
1160 * silently here if necessary
1161 */
1162 if (zr->vbuf_depth == 15 || zr->vbuf_depth == 16) {
1163 end = (x + width) & ~1; /* round down */
1164 x = (x + 1) & ~1; /* round up */
1165 width = end - x;
1166 }
1167
1168 if (zr->vbuf_depth == 24) {
1169 end = (x + width) & ~3; /* round down */
1170 x = (x + 3) & ~3; /* round up */
1171 width = end - x;
1172 }
1173
1174 if (width > BUZ_MAX_WIDTH)
1175 width = BUZ_MAX_WIDTH;
1176 if (height > BUZ_MAX_HEIGHT)
1177 height = BUZ_MAX_HEIGHT;
1178
1179 /* Check for invalid parameters */
1180 if (width < BUZ_MIN_WIDTH || height < BUZ_MIN_HEIGHT ||
1181 width > BUZ_MAX_WIDTH || height > BUZ_MAX_HEIGHT) {
1182 dprintk(1,
1183 KERN_ERR
1184 "%s: %s - width = %d or height = %d invalid\n",
1185 ZR_DEVNAME(zr), __func__, width, height);
1186 return -EINVAL;
1187 }
1188
1189 fh->overlay_settings.x = x;
1190 fh->overlay_settings.y = y;
1191 fh->overlay_settings.width = width;
1192 fh->overlay_settings.height = height;
1193 fh->overlay_settings.clipcount = clipcount;
1194
1195 /*
1196 * If an overlay is running, we have to switch it off
1197 * and switch it on again in order to get the new settings in effect.
1198 *
1199 * We also want to avoid that the overlay mask is written
1200 * when an overlay is running.
1201 */
1202
1203 on = zr->v4l_overlay_active && !zr->v4l_memgrab_active &&
1204 zr->overlay_active != ZORAN_FREE &&
1205 fh->overlay_active != ZORAN_FREE;
1206 if (on)
1207 zr36057_overlay(zr, 0);
1208
1209 /*
1210 * Write the overlay mask if clips are wanted.
1211 * We prefer a bitmap.
1212 */
1213 if (bitmap) {
1214 /* fake value - it just means we want clips */
1215 fh->overlay_settings.clipcount = 1;
1216
1217 if (copy_from_user(fh->overlay_mask, bitmap,
1218 (width * height + 7) / 8)) {
1219 return -EFAULT;
1220 }
1221 } else if (clipcount > 0) {
1222 /* write our own bitmap from the clips */
1223 vcp = vmalloc(sizeof(struct v4l2_clip) * (clipcount + 4));
1224 if (vcp == NULL) {
1225 dprintk(1,
1226 KERN_ERR
1227 "%s: %s - Alloc of clip mask failed\n",
1228 ZR_DEVNAME(zr), __func__);
1229 return -ENOMEM;
1230 }
1231 if (copy_from_user
1232 (vcp, clips, sizeof(struct v4l2_clip) * clipcount)) {
1233 vfree(vcp);
1234 return -EFAULT;
1235 }
1236 write_overlay_mask(fh, vcp, clipcount);
1237 vfree(vcp);
1238 }
1239
1240 fh->overlay_settings.is_set = 1;
1241 if (fh->overlay_active != ZORAN_FREE &&
1242 zr->overlay_active != ZORAN_FREE)
1243 zr->overlay_settings = fh->overlay_settings;
1244
1245 if (on)
1246 zr36057_overlay(zr, 1);
1247
1248 /* Make sure the changes come into effect */
1249 return wait_grab_pending(zr);
1250 }
1251
1252 static int setup_overlay(struct zoran_fh *fh, int on)
1253 {
1254 struct zoran *zr = fh->zr;
1255
1256 /* If there is nothing to do, return immediately */
1257 if ((on && fh->overlay_active != ZORAN_FREE) ||
1258 (!on && fh->overlay_active == ZORAN_FREE))
1259 return 0;
1260
1261 /* check whether we're touching someone else's overlay */
1262 if (on && zr->overlay_active != ZORAN_FREE &&
1263 fh->overlay_active == ZORAN_FREE) {
1264 dprintk(1,
1265 KERN_ERR
1266 "%s: %s - overlay is already active for another session\n",
1267 ZR_DEVNAME(zr), __func__);
1268 return -EBUSY;
1269 }
1270 if (!on && zr->overlay_active != ZORAN_FREE &&
1271 fh->overlay_active == ZORAN_FREE) {
1272 dprintk(1,
1273 KERN_ERR
1274 "%s: %s - you cannot cancel someone else's session\n",
1275 ZR_DEVNAME(zr), __func__);
1276 return -EPERM;
1277 }
1278
1279 if (on == 0) {
1280 zr->overlay_active = fh->overlay_active = ZORAN_FREE;
1281 zr->v4l_overlay_active = 0;
1282 /* When a grab is running, the video simply
1283 * won't be switched on any more */
1284 if (!zr->v4l_memgrab_active)
1285 zr36057_overlay(zr, 0);
1286 zr->overlay_mask = NULL;
1287 } else {
1288 if (!zr->vbuf_base || !fh->overlay_settings.is_set) {
1289 dprintk(1,
1290 KERN_ERR
1291 "%s: %s - buffer or window not set\n",
1292 ZR_DEVNAME(zr), __func__);
1293 return -EINVAL;
1294 }
1295 if (!fh->overlay_settings.format) {
1296 dprintk(1,
1297 KERN_ERR
1298 "%s: %s - no overlay format set\n",
1299 ZR_DEVNAME(zr), __func__);
1300 return -EINVAL;
1301 }
1302 zr->overlay_active = fh->overlay_active = ZORAN_LOCKED;
1303 zr->v4l_overlay_active = 1;
1304 zr->overlay_mask = fh->overlay_mask;
1305 zr->overlay_settings = fh->overlay_settings;
1306 if (!zr->v4l_memgrab_active)
1307 zr36057_overlay(zr, 1);
1308 /* When a grab is running, the video will be
1309 * switched on when grab is finished */
1310 }
1311
1312 /* Make sure the changes come into effect */
1313 return wait_grab_pending(zr);
1314 }
1315
1316 /* get the status of a buffer in the clients buffer queue */
1317 static int zoran_v4l2_buffer_status(struct zoran_fh *fh,
1318 struct v4l2_buffer *buf, int num)
1319 {
1320 struct zoran *zr = fh->zr;
1321 unsigned long flags;
1322
1323 buf->flags = V4L2_BUF_FLAG_MAPPED;
1324
1325 switch (fh->map_mode) {
1326 case ZORAN_MAP_MODE_RAW:
1327 /* check range */
1328 if (num < 0 || num >= fh->buffers.num_buffers ||
1329 !fh->buffers.allocated) {
1330 dprintk(1,
1331 KERN_ERR
1332 "%s: %s - wrong number or buffers not allocated\n",
1333 ZR_DEVNAME(zr), __func__);
1334 return -EINVAL;
1335 }
1336
1337 spin_lock_irqsave(&zr->spinlock, flags);
1338 dprintk(3,
1339 KERN_DEBUG
1340 "%s: %s() - raw active=%c, buffer %d: state=%c, map=%c\n",
1341 ZR_DEVNAME(zr), __func__,
1342 "FAL"[fh->buffers.active], num,
1343 "UPMD"[zr->v4l_buffers.buffer[num].state],
1344 fh->buffers.buffer[num].map ? 'Y' : 'N');
1345 spin_unlock_irqrestore(&zr->spinlock, flags);
1346
1347 buf->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1348 buf->length = fh->buffers.buffer_size;
1349
1350 /* get buffer */
1351 buf->bytesused = fh->buffers.buffer[num].bs.length;
1352 if (fh->buffers.buffer[num].state == BUZ_STATE_DONE ||
1353 fh->buffers.buffer[num].state == BUZ_STATE_USER) {
1354 buf->sequence = fh->buffers.buffer[num].bs.seq;
1355 buf->flags |= V4L2_BUF_FLAG_DONE;
1356 buf->timestamp = fh->buffers.buffer[num].bs.timestamp;
1357 } else {
1358 buf->flags |= V4L2_BUF_FLAG_QUEUED;
1359 }
1360
1361 if (fh->v4l_settings.height <= BUZ_MAX_HEIGHT / 2)
1362 buf->field = V4L2_FIELD_TOP;
1363 else
1364 buf->field = V4L2_FIELD_INTERLACED;
1365
1366 break;
1367
1368 case ZORAN_MAP_MODE_JPG_REC:
1369 case ZORAN_MAP_MODE_JPG_PLAY:
1370
1371 /* check range */
1372 if (num < 0 || num >= fh->buffers.num_buffers ||
1373 !fh->buffers.allocated) {
1374 dprintk(1,
1375 KERN_ERR
1376 "%s: %s - wrong number or buffers not allocated\n",
1377 ZR_DEVNAME(zr), __func__);
1378 return -EINVAL;
1379 }
1380
1381 buf->type = (fh->map_mode == ZORAN_MAP_MODE_JPG_REC) ?
1382 V4L2_BUF_TYPE_VIDEO_CAPTURE :
1383 V4L2_BUF_TYPE_VIDEO_OUTPUT;
1384 buf->length = fh->buffers.buffer_size;
1385
1386 /* these variables are only written after frame has been captured */
1387 if (fh->buffers.buffer[num].state == BUZ_STATE_DONE ||
1388 fh->buffers.buffer[num].state == BUZ_STATE_USER) {
1389 buf->sequence = fh->buffers.buffer[num].bs.seq;
1390 buf->timestamp = fh->buffers.buffer[num].bs.timestamp;
1391 buf->bytesused = fh->buffers.buffer[num].bs.length;
1392 buf->flags |= V4L2_BUF_FLAG_DONE;
1393 } else {
1394 buf->flags |= V4L2_BUF_FLAG_QUEUED;
1395 }
1396
1397 /* which fields are these? */
1398 if (fh->jpg_settings.TmpDcm != 1)
1399 buf->field = fh->jpg_settings.odd_even ?
1400 V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM;
1401 else
1402 buf->field = fh->jpg_settings.odd_even ?
1403 V4L2_FIELD_SEQ_TB : V4L2_FIELD_SEQ_BT;
1404
1405 break;
1406
1407 default:
1408
1409 dprintk(5,
1410 KERN_ERR
1411 "%s: %s - invalid buffer type|map_mode (%d|%d)\n",
1412 ZR_DEVNAME(zr), __func__, buf->type, fh->map_mode);
1413 return -EINVAL;
1414 }
1415
1416 buf->memory = V4L2_MEMORY_MMAP;
1417 buf->index = num;
1418 buf->m.offset = buf->length * num;
1419
1420 return 0;
1421 }
1422
1423 static int
1424 zoran_set_norm (struct zoran *zr,
1425 v4l2_std_id norm)
1426 {
1427 int on;
1428
1429 if (zr->v4l_buffers.active != ZORAN_FREE ||
1430 zr->jpg_buffers.active != ZORAN_FREE) {
1431 dprintk(1,
1432 KERN_WARNING
1433 "%s: %s called while in playback/capture mode\n",
1434 ZR_DEVNAME(zr), __func__);
1435 return -EBUSY;
1436 }
1437
1438 if (!(norm & zr->card.norms)) {
1439 dprintk(1,
1440 KERN_ERR "%s: %s - unsupported norm %llx\n",
1441 ZR_DEVNAME(zr), __func__, norm);
1442 return -EINVAL;
1443 }
1444
1445 if (norm == V4L2_STD_ALL) {
1446 unsigned int status = 0;
1447 v4l2_std_id std = 0;
1448
1449 decoder_call(zr, video, querystd, &std);
1450 decoder_call(zr, core, s_std, std);
1451
1452 /* let changes come into effect */
1453 ssleep(2);
1454
1455 decoder_call(zr, video, g_input_status, &status);
1456 if (status & V4L2_IN_ST_NO_SIGNAL) {
1457 dprintk(1,
1458 KERN_ERR
1459 "%s: %s - no norm detected\n",
1460 ZR_DEVNAME(zr), __func__);
1461 /* reset norm */
1462 decoder_call(zr, core, s_std, zr->norm);
1463 return -EIO;
1464 }
1465
1466 norm = std;
1467 }
1468 if (norm & V4L2_STD_SECAM)
1469 zr->timing = zr->card.tvn[2];
1470 else if (norm & V4L2_STD_NTSC)
1471 zr->timing = zr->card.tvn[1];
1472 else
1473 zr->timing = zr->card.tvn[0];
1474
1475 /* We switch overlay off and on since a change in the
1476 * norm needs different VFE settings */
1477 on = zr->overlay_active && !zr->v4l_memgrab_active;
1478 if (on)
1479 zr36057_overlay(zr, 0);
1480
1481 decoder_call(zr, core, s_std, norm);
1482 encoder_call(zr, video, s_std_output, norm);
1483
1484 if (on)
1485 zr36057_overlay(zr, 1);
1486
1487 /* Make sure the changes come into effect */
1488 zr->norm = norm;
1489
1490 return 0;
1491 }
1492
1493 static int
1494 zoran_set_input (struct zoran *zr,
1495 int input)
1496 {
1497 if (input == zr->input) {
1498 return 0;
1499 }
1500
1501 if (zr->v4l_buffers.active != ZORAN_FREE ||
1502 zr->jpg_buffers.active != ZORAN_FREE) {
1503 dprintk(1,
1504 KERN_WARNING
1505 "%s: %s called while in playback/capture mode\n",
1506 ZR_DEVNAME(zr), __func__);
1507 return -EBUSY;
1508 }
1509
1510 if (input < 0 || input >= zr->card.inputs) {
1511 dprintk(1,
1512 KERN_ERR
1513 "%s: %s - unnsupported input %d\n",
1514 ZR_DEVNAME(zr), __func__, input);
1515 return -EINVAL;
1516 }
1517
1518 zr->input = input;
1519
1520 decoder_call(zr, video, s_routing,
1521 zr->card.input[input].muxsel, 0, 0);
1522
1523 return 0;
1524 }
1525
1526 /*
1527 * ioctl routine
1528 */
1529
1530 static int zoran_querycap(struct file *file, void *__fh, struct v4l2_capability *cap)
1531 {
1532 struct zoran_fh *fh = __fh;
1533 struct zoran *zr = fh->zr;
1534
1535 memset(cap, 0, sizeof(*cap));
1536 strncpy(cap->card, ZR_DEVNAME(zr), sizeof(cap->card)-1);
1537 strncpy(cap->driver, "zoran", sizeof(cap->driver)-1);
1538 snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI:%s",
1539 pci_name(zr->pci_dev));
1540 cap->capabilities = V4L2_CAP_STREAMING | V4L2_CAP_VIDEO_CAPTURE |
1541 V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_VIDEO_OVERLAY;
1542 return 0;
1543 }
1544
1545 static int zoran_enum_fmt(struct zoran *zr, struct v4l2_fmtdesc *fmt, int flag)
1546 {
1547 unsigned int num, i;
1548
1549 for (num = i = 0; i < NUM_FORMATS; i++) {
1550 if (zoran_formats[i].flags & flag && num++ == fmt->index) {
1551 strncpy(fmt->description, zoran_formats[i].name,
1552 sizeof(fmt->description) - 1);
1553 /* fmt struct pre-zeroed, so adding '\0' not neeed */
1554 fmt->pixelformat = zoran_formats[i].fourcc;
1555 if (zoran_formats[i].flags & ZORAN_FORMAT_COMPRESSED)
1556 fmt->flags |= V4L2_FMT_FLAG_COMPRESSED;
1557 return 0;
1558 }
1559 }
1560 return -EINVAL;
1561 }
1562
1563 static int zoran_enum_fmt_vid_cap(struct file *file, void *__fh,
1564 struct v4l2_fmtdesc *f)
1565 {
1566 struct zoran_fh *fh = __fh;
1567 struct zoran *zr = fh->zr;
1568
1569 return zoran_enum_fmt(zr, f, ZORAN_FORMAT_CAPTURE);
1570 }
1571
1572 static int zoran_enum_fmt_vid_out(struct file *file, void *__fh,
1573 struct v4l2_fmtdesc *f)
1574 {
1575 struct zoran_fh *fh = __fh;
1576 struct zoran *zr = fh->zr;
1577
1578 return zoran_enum_fmt(zr, f, ZORAN_FORMAT_PLAYBACK);
1579 }
1580
1581 static int zoran_enum_fmt_vid_overlay(struct file *file, void *__fh,
1582 struct v4l2_fmtdesc *f)
1583 {
1584 struct zoran_fh *fh = __fh;
1585 struct zoran *zr = fh->zr;
1586
1587 return zoran_enum_fmt(zr, f, ZORAN_FORMAT_OVERLAY);
1588 }
1589
1590 static int zoran_g_fmt_vid_out(struct file *file, void *__fh,
1591 struct v4l2_format *fmt)
1592 {
1593 struct zoran_fh *fh = __fh;
1594 struct zoran *zr = fh->zr;
1595
1596 mutex_lock(&zr->resource_lock);
1597
1598 fmt->fmt.pix.width = fh->jpg_settings.img_width / fh->jpg_settings.HorDcm;
1599 fmt->fmt.pix.height = fh->jpg_settings.img_height * 2 /
1600 (fh->jpg_settings.VerDcm * fh->jpg_settings.TmpDcm);
1601 fmt->fmt.pix.sizeimage = zoran_v4l2_calc_bufsize(&fh->jpg_settings);
1602 fmt->fmt.pix.pixelformat = V4L2_PIX_FMT_MJPEG;
1603 if (fh->jpg_settings.TmpDcm == 1)
1604 fmt->fmt.pix.field = (fh->jpg_settings.odd_even ?
1605 V4L2_FIELD_SEQ_TB : V4L2_FIELD_SEQ_BT);
1606 else
1607 fmt->fmt.pix.field = (fh->jpg_settings.odd_even ?
1608 V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM);
1609 fmt->fmt.pix.bytesperline = 0;
1610 fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1611
1612 mutex_unlock(&zr->resource_lock);
1613 return 0;
1614 }
1615
1616 static int zoran_g_fmt_vid_cap(struct file *file, void *__fh,
1617 struct v4l2_format *fmt)
1618 {
1619 struct zoran_fh *fh = __fh;
1620 struct zoran *zr = fh->zr;
1621
1622 if (fh->map_mode != ZORAN_MAP_MODE_RAW)
1623 return zoran_g_fmt_vid_out(file, fh, fmt);
1624
1625 mutex_lock(&zr->resource_lock);
1626 fmt->fmt.pix.width = fh->v4l_settings.width;
1627 fmt->fmt.pix.height = fh->v4l_settings.height;
1628 fmt->fmt.pix.sizeimage = fh->v4l_settings.bytesperline *
1629 fh->v4l_settings.height;
1630 fmt->fmt.pix.pixelformat = fh->v4l_settings.format->fourcc;
1631 fmt->fmt.pix.colorspace = fh->v4l_settings.format->colorspace;
1632 fmt->fmt.pix.bytesperline = fh->v4l_settings.bytesperline;
1633 if (BUZ_MAX_HEIGHT < (fh->v4l_settings.height * 2))
1634 fmt->fmt.pix.field = V4L2_FIELD_INTERLACED;
1635 else
1636 fmt->fmt.pix.field = V4L2_FIELD_TOP;
1637 mutex_unlock(&zr->resource_lock);
1638 return 0;
1639 }
1640
1641 static int zoran_g_fmt_vid_overlay(struct file *file, void *__fh,
1642 struct v4l2_format *fmt)
1643 {
1644 struct zoran_fh *fh = __fh;
1645 struct zoran *zr = fh->zr;
1646
1647 mutex_lock(&zr->resource_lock);
1648
1649 fmt->fmt.win.w.left = fh->overlay_settings.x;
1650 fmt->fmt.win.w.top = fh->overlay_settings.y;
1651 fmt->fmt.win.w.width = fh->overlay_settings.width;
1652 fmt->fmt.win.w.height = fh->overlay_settings.height;
1653 if (fh->overlay_settings.width * 2 > BUZ_MAX_HEIGHT)
1654 fmt->fmt.win.field = V4L2_FIELD_INTERLACED;
1655 else
1656 fmt->fmt.win.field = V4L2_FIELD_TOP;
1657
1658 mutex_unlock(&zr->resource_lock);
1659 return 0;
1660 }
1661
1662 static int zoran_try_fmt_vid_overlay(struct file *file, void *__fh,
1663 struct v4l2_format *fmt)
1664 {
1665 struct zoran_fh *fh = __fh;
1666 struct zoran *zr = fh->zr;
1667
1668 mutex_lock(&zr->resource_lock);
1669
1670 if (fmt->fmt.win.w.width > BUZ_MAX_WIDTH)
1671 fmt->fmt.win.w.width = BUZ_MAX_WIDTH;
1672 if (fmt->fmt.win.w.width < BUZ_MIN_WIDTH)
1673 fmt->fmt.win.w.width = BUZ_MIN_WIDTH;
1674 if (fmt->fmt.win.w.height > BUZ_MAX_HEIGHT)
1675 fmt->fmt.win.w.height = BUZ_MAX_HEIGHT;
1676 if (fmt->fmt.win.w.height < BUZ_MIN_HEIGHT)
1677 fmt->fmt.win.w.height = BUZ_MIN_HEIGHT;
1678
1679 mutex_unlock(&zr->resource_lock);
1680 return 0;
1681 }
1682
1683 static int zoran_try_fmt_vid_out(struct file *file, void *__fh,
1684 struct v4l2_format *fmt)
1685 {
1686 struct zoran_fh *fh = __fh;
1687 struct zoran *zr = fh->zr;
1688 struct zoran_jpg_settings settings;
1689 int res = 0;
1690
1691 if (fmt->fmt.pix.pixelformat != V4L2_PIX_FMT_MJPEG)
1692 return -EINVAL;
1693
1694 mutex_lock(&zr->resource_lock);
1695 settings = fh->jpg_settings;
1696
1697 /* we actually need to set 'real' parameters now */
1698 if ((fmt->fmt.pix.height * 2) > BUZ_MAX_HEIGHT)
1699 settings.TmpDcm = 1;
1700 else
1701 settings.TmpDcm = 2;
1702 settings.decimation = 0;
1703 if (fmt->fmt.pix.height <= fh->jpg_settings.img_height / 2)
1704 settings.VerDcm = 2;
1705 else
1706 settings.VerDcm = 1;
1707 if (fmt->fmt.pix.width <= fh->jpg_settings.img_width / 4)
1708 settings.HorDcm = 4;
1709 else if (fmt->fmt.pix.width <= fh->jpg_settings.img_width / 2)
1710 settings.HorDcm = 2;
1711 else
1712 settings.HorDcm = 1;
1713 if (settings.TmpDcm == 1)
1714 settings.field_per_buff = 2;
1715 else
1716 settings.field_per_buff = 1;
1717
1718 if (settings.HorDcm > 1) {
1719 settings.img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0;
1720 settings.img_width = (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH;
1721 } else {
1722 settings.img_x = 0;
1723 settings.img_width = BUZ_MAX_WIDTH;
1724 }
1725
1726 /* check */
1727 res = zoran_check_jpg_settings(zr, &settings, 1);
1728 if (res)
1729 goto tryfmt_unlock_and_return;
1730
1731 /* tell the user what we actually did */
1732 fmt->fmt.pix.width = settings.img_width / settings.HorDcm;
1733 fmt->fmt.pix.height = settings.img_height * 2 /
1734 (settings.TmpDcm * settings.VerDcm);
1735 if (settings.TmpDcm == 1)
1736 fmt->fmt.pix.field = (fh->jpg_settings.odd_even ?
1737 V4L2_FIELD_SEQ_TB : V4L2_FIELD_SEQ_BT);
1738 else
1739 fmt->fmt.pix.field = (fh->jpg_settings.odd_even ?
1740 V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM);
1741
1742 fmt->fmt.pix.sizeimage = zoran_v4l2_calc_bufsize(&settings);
1743 fmt->fmt.pix.bytesperline = 0;
1744 fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1745 tryfmt_unlock_and_return:
1746 mutex_unlock(&zr->resource_lock);
1747 return res;
1748 }
1749
1750 static int zoran_try_fmt_vid_cap(struct file *file, void *__fh,
1751 struct v4l2_format *fmt)
1752 {
1753 struct zoran_fh *fh = __fh;
1754 struct zoran *zr = fh->zr;
1755 int bpp;
1756 int i;
1757
1758 if (fmt->fmt.pix.pixelformat == V4L2_PIX_FMT_MJPEG)
1759 return zoran_try_fmt_vid_out(file, fh, fmt);
1760
1761 mutex_lock(&zr->resource_lock);
1762
1763 for (i = 0; i < NUM_FORMATS; i++)
1764 if (zoran_formats[i].fourcc == fmt->fmt.pix.pixelformat)
1765 break;
1766
1767 if (i == NUM_FORMATS) {
1768 mutex_unlock(&zr->resource_lock);
1769 return -EINVAL;
1770 }
1771
1772 bpp = DIV_ROUND_UP(zoran_formats[i].depth, 8);
1773 v4l_bound_align_image(
1774 &fmt->fmt.pix.width, BUZ_MIN_WIDTH, BUZ_MAX_WIDTH, bpp == 2 ? 1 : 2,
1775 &fmt->fmt.pix.height, BUZ_MIN_HEIGHT, BUZ_MAX_HEIGHT, 0, 0);
1776 mutex_unlock(&zr->resource_lock);
1777
1778 return 0;
1779 }
1780
1781 static int zoran_s_fmt_vid_overlay(struct file *file, void *__fh,
1782 struct v4l2_format *fmt)
1783 {
1784 struct zoran_fh *fh = __fh;
1785 struct zoran *zr = fh->zr;
1786 int res;
1787
1788 dprintk(3, "x=%d, y=%d, w=%d, h=%d, cnt=%d, map=0x%p\n",
1789 fmt->fmt.win.w.left, fmt->fmt.win.w.top,
1790 fmt->fmt.win.w.width,
1791 fmt->fmt.win.w.height,
1792 fmt->fmt.win.clipcount,
1793 fmt->fmt.win.bitmap);
1794 mutex_lock(&zr->resource_lock);
1795 res = setup_window(fh, fmt->fmt.win.w.left, fmt->fmt.win.w.top,
1796 fmt->fmt.win.w.width, fmt->fmt.win.w.height,
1797 (struct v4l2_clip __user *)fmt->fmt.win.clips,
1798 fmt->fmt.win.clipcount, fmt->fmt.win.bitmap);
1799 mutex_unlock(&zr->resource_lock);
1800 return res;
1801 }
1802
1803 static int zoran_s_fmt_vid_out(struct file *file, void *__fh,
1804 struct v4l2_format *fmt)
1805 {
1806 struct zoran_fh *fh = __fh;
1807 struct zoran *zr = fh->zr;
1808 __le32 printformat = __cpu_to_le32(fmt->fmt.pix.pixelformat);
1809 struct zoran_jpg_settings settings;
1810 int res = 0;
1811
1812 dprintk(3, "size=%dx%d, fmt=0x%x (%4.4s)\n",
1813 fmt->fmt.pix.width, fmt->fmt.pix.height,
1814 fmt->fmt.pix.pixelformat,
1815 (char *) &printformat);
1816 if (fmt->fmt.pix.pixelformat != V4L2_PIX_FMT_MJPEG)
1817 return -EINVAL;
1818
1819 mutex_lock(&zr->resource_lock);
1820
1821 if (fh->buffers.allocated) {
1822 dprintk(1, KERN_ERR "%s: VIDIOC_S_FMT - cannot change capture mode\n",
1823 ZR_DEVNAME(zr));
1824 res = -EBUSY;
1825 goto sfmtjpg_unlock_and_return;
1826 }
1827
1828 settings = fh->jpg_settings;
1829
1830 /* we actually need to set 'real' parameters now */
1831 if (fmt->fmt.pix.height * 2 > BUZ_MAX_HEIGHT)
1832 settings.TmpDcm = 1;
1833 else
1834 settings.TmpDcm = 2;
1835 settings.decimation = 0;
1836 if (fmt->fmt.pix.height <= fh->jpg_settings.img_height / 2)
1837 settings.VerDcm = 2;
1838 else
1839 settings.VerDcm = 1;
1840 if (fmt->fmt.pix.width <= fh->jpg_settings.img_width / 4)
1841 settings.HorDcm = 4;
1842 else if (fmt->fmt.pix.width <= fh->jpg_settings.img_width / 2)
1843 settings.HorDcm = 2;
1844 else
1845 settings.HorDcm = 1;
1846 if (settings.TmpDcm == 1)
1847 settings.field_per_buff = 2;
1848 else
1849 settings.field_per_buff = 1;
1850
1851 if (settings.HorDcm > 1) {
1852 settings.img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0;
1853 settings.img_width = (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH;
1854 } else {
1855 settings.img_x = 0;
1856 settings.img_width = BUZ_MAX_WIDTH;
1857 }
1858
1859 /* check */
1860 res = zoran_check_jpg_settings(zr, &settings, 0);
1861 if (res)
1862 goto sfmtjpg_unlock_and_return;
1863
1864 /* it's ok, so set them */
1865 fh->jpg_settings = settings;
1866
1867 map_mode_jpg(fh, fmt->type == V4L2_BUF_TYPE_VIDEO_OUTPUT);
1868 fh->buffers.buffer_size = zoran_v4l2_calc_bufsize(&fh->jpg_settings);
1869
1870 /* tell the user what we actually did */
1871 fmt->fmt.pix.width = settings.img_width / settings.HorDcm;
1872 fmt->fmt.pix.height = settings.img_height * 2 /
1873 (settings.TmpDcm * settings.VerDcm);
1874 if (settings.TmpDcm == 1)
1875 fmt->fmt.pix.field = (fh->jpg_settings.odd_even ?
1876 V4L2_FIELD_SEQ_TB : V4L2_FIELD_SEQ_BT);
1877 else
1878 fmt->fmt.pix.field = (fh->jpg_settings.odd_even ?
1879 V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM);
1880 fmt->fmt.pix.bytesperline = 0;
1881 fmt->fmt.pix.sizeimage = fh->buffers.buffer_size;
1882 fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1883
1884 sfmtjpg_unlock_and_return:
1885 mutex_unlock(&zr->resource_lock);
1886 return res;
1887 }
1888
1889 static int zoran_s_fmt_vid_cap(struct file *file, void *__fh,
1890 struct v4l2_format *fmt)
1891 {
1892 struct zoran_fh *fh = __fh;
1893 struct zoran *zr = fh->zr;
1894 int i;
1895 int res = 0;
1896
1897 if (fmt->fmt.pix.pixelformat == V4L2_PIX_FMT_MJPEG)
1898 return zoran_s_fmt_vid_out(file, fh, fmt);
1899
1900 for (i = 0; i < NUM_FORMATS; i++)
1901 if (fmt->fmt.pix.pixelformat == zoran_formats[i].fourcc)
1902 break;
1903 if (i == NUM_FORMATS) {
1904 dprintk(1, KERN_ERR "%s: VIDIOC_S_FMT - unknown/unsupported format 0x%x\n",
1905 ZR_DEVNAME(zr), fmt->fmt.pix.pixelformat);
1906 return -EINVAL;
1907 }
1908
1909 mutex_lock(&zr->resource_lock);
1910
1911 if ((fh->map_mode != ZORAN_MAP_MODE_RAW && fh->buffers.allocated) ||
1912 fh->buffers.active != ZORAN_FREE) {
1913 dprintk(1, KERN_ERR "%s: VIDIOC_S_FMT - cannot change capture mode\n",
1914 ZR_DEVNAME(zr));
1915 res = -EBUSY;
1916 goto sfmtv4l_unlock_and_return;
1917 }
1918 if (fmt->fmt.pix.height > BUZ_MAX_HEIGHT)
1919 fmt->fmt.pix.height = BUZ_MAX_HEIGHT;
1920 if (fmt->fmt.pix.width > BUZ_MAX_WIDTH)
1921 fmt->fmt.pix.width = BUZ_MAX_WIDTH;
1922
1923 map_mode_raw(fh);
1924
1925 res = zoran_v4l_set_format(fh, fmt->fmt.pix.width, fmt->fmt.pix.height,
1926 &zoran_formats[i]);
1927 if (res)
1928 goto sfmtv4l_unlock_and_return;
1929
1930 /* tell the user the results/missing stuff */
1931 fmt->fmt.pix.bytesperline = fh->v4l_settings.bytesperline;
1932 fmt->fmt.pix.sizeimage = fh->v4l_settings.height * fh->v4l_settings.bytesperline;
1933 fmt->fmt.pix.colorspace = fh->v4l_settings.format->colorspace;
1934 if (BUZ_MAX_HEIGHT < (fh->v4l_settings.height * 2))
1935 fmt->fmt.pix.field = V4L2_FIELD_INTERLACED;
1936 else
1937 fmt->fmt.pix.field = V4L2_FIELD_TOP;
1938
1939 sfmtv4l_unlock_and_return:
1940 mutex_unlock(&zr->resource_lock);
1941 return res;
1942 }
1943
1944 static int zoran_g_fbuf(struct file *file, void *__fh,
1945 struct v4l2_framebuffer *fb)
1946 {
1947 struct zoran_fh *fh = __fh;
1948 struct zoran *zr = fh->zr;
1949
1950 memset(fb, 0, sizeof(*fb));
1951 mutex_lock(&zr->resource_lock);
1952 fb->base = zr->vbuf_base;
1953 fb->fmt.width = zr->vbuf_width;
1954 fb->fmt.height = zr->vbuf_height;
1955 if (zr->overlay_settings.format)
1956 fb->fmt.pixelformat = fh->overlay_settings.format->fourcc;
1957 fb->fmt.bytesperline = zr->vbuf_bytesperline;
1958 mutex_unlock(&zr->resource_lock);
1959 fb->fmt.colorspace = V4L2_COLORSPACE_SRGB;
1960 fb->fmt.field = V4L2_FIELD_INTERLACED;
1961 fb->flags = V4L2_FBUF_FLAG_OVERLAY;
1962 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
1963
1964 return 0;
1965 }
1966
1967 static int zoran_s_fbuf(struct file *file, void *__fh,
1968 struct v4l2_framebuffer *fb)
1969 {
1970 struct zoran_fh *fh = __fh;
1971 struct zoran *zr = fh->zr;
1972 int i, res = 0;
1973 __le32 printformat = __cpu_to_le32(fb->fmt.pixelformat);
1974
1975 for (i = 0; i < NUM_FORMATS; i++)
1976 if (zoran_formats[i].fourcc == fb->fmt.pixelformat)
1977 break;
1978 if (i == NUM_FORMATS) {
1979 dprintk(1, KERN_ERR "%s: VIDIOC_S_FBUF - format=0x%x (%4.4s) not allowed\n",
1980 ZR_DEVNAME(zr), fb->fmt.pixelformat,
1981 (char *)&printformat);
1982 return -EINVAL;
1983 }
1984
1985 mutex_lock(&zr->resource_lock);
1986 res = setup_fbuffer(fh, fb->base, &zoran_formats[i], fb->fmt.width,
1987 fb->fmt.height, fb->fmt.bytesperline);
1988 mutex_unlock(&zr->resource_lock);
1989
1990 return res;
1991 }
1992
1993 static int zoran_overlay(struct file *file, void *__fh, unsigned int on)
1994 {
1995 struct zoran_fh *fh = __fh;
1996 struct zoran *zr = fh->zr;
1997 int res;
1998
1999 mutex_lock(&zr->resource_lock);
2000 res = setup_overlay(fh, on);
2001 mutex_unlock(&zr->resource_lock);
2002
2003 return res;
2004 }
2005
2006 static int zoran_streamoff(struct file *file, void *__fh, enum v4l2_buf_type type);
2007
2008 static int zoran_reqbufs(struct file *file, void *__fh, struct v4l2_requestbuffers *req)
2009 {
2010 struct zoran_fh *fh = __fh;
2011 struct zoran *zr = fh->zr;
2012 int res = 0;
2013
2014 if (req->memory != V4L2_MEMORY_MMAP) {
2015 dprintk(2,
2016 KERN_ERR
2017 "%s: only MEMORY_MMAP capture is supported, not %d\n",
2018 ZR_DEVNAME(zr), req->memory);
2019 return -EINVAL;
2020 }
2021
2022 if (req->count == 0)
2023 return zoran_streamoff(file, fh, req->type);
2024
2025 mutex_lock(&zr->resource_lock);
2026 if (fh->buffers.allocated) {
2027 dprintk(2,
2028 KERN_ERR
2029 "%s: VIDIOC_REQBUFS - buffers already allocated\n",
2030 ZR_DEVNAME(zr));
2031 res = -EBUSY;
2032 goto v4l2reqbuf_unlock_and_return;
2033 }
2034
2035 if (fh->map_mode == ZORAN_MAP_MODE_RAW &&
2036 req->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
2037 /* control user input */
2038 if (req->count < 2)
2039 req->count = 2;
2040 if (req->count > v4l_nbufs)
2041 req->count = v4l_nbufs;
2042
2043 /* The next mmap will map the V4L buffers */
2044 map_mode_raw(fh);
2045 fh->buffers.num_buffers = req->count;
2046
2047 if (v4l_fbuffer_alloc(fh)) {
2048 res = -ENOMEM;
2049 goto v4l2reqbuf_unlock_and_return;
2050 }
2051 } else if (fh->map_mode == ZORAN_MAP_MODE_JPG_REC ||
2052 fh->map_mode == ZORAN_MAP_MODE_JPG_PLAY) {
2053 /* we need to calculate size ourselves now */
2054 if (req->count < 4)
2055 req->count = 4;
2056 if (req->count > jpg_nbufs)
2057 req->count = jpg_nbufs;
2058
2059 /* The next mmap will map the MJPEG buffers */
2060 map_mode_jpg(fh, req->type == V4L2_BUF_TYPE_VIDEO_OUTPUT);
2061 fh->buffers.num_buffers = req->count;
2062 fh->buffers.buffer_size = zoran_v4l2_calc_bufsize(&fh->jpg_settings);
2063
2064 if (jpg_fbuffer_alloc(fh)) {
2065 res = -ENOMEM;
2066 goto v4l2reqbuf_unlock_and_return;
2067 }
2068 } else {
2069 dprintk(1,
2070 KERN_ERR
2071 "%s: VIDIOC_REQBUFS - unknown type %d\n",
2072 ZR_DEVNAME(zr), req->type);
2073 res = -EINVAL;
2074 goto v4l2reqbuf_unlock_and_return;
2075 }
2076 v4l2reqbuf_unlock_and_return:
2077 mutex_unlock(&zr->resource_lock);
2078
2079 return res;
2080 }
2081
2082 static int zoran_querybuf(struct file *file, void *__fh, struct v4l2_buffer *buf)
2083 {
2084 struct zoran_fh *fh = __fh;
2085 struct zoran *zr = fh->zr;
2086 int res;
2087
2088 mutex_lock(&zr->resource_lock);
2089 res = zoran_v4l2_buffer_status(fh, buf, buf->index);
2090 mutex_unlock(&zr->resource_lock);
2091
2092 return res;
2093 }
2094
2095 static int zoran_qbuf(struct file *file, void *__fh, struct v4l2_buffer *buf)
2096 {
2097 struct zoran_fh *fh = __fh;
2098 struct zoran *zr = fh->zr;
2099 int res = 0, codec_mode, buf_type;
2100
2101 mutex_lock(&zr->resource_lock);
2102
2103 switch (fh->map_mode) {
2104 case ZORAN_MAP_MODE_RAW:
2105 if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
2106 dprintk(1, KERN_ERR
2107 "%s: VIDIOC_QBUF - invalid buf->type=%d for map_mode=%d\n",
2108 ZR_DEVNAME(zr), buf->type, fh->map_mode);
2109 res = -EINVAL;
2110 goto qbuf_unlock_and_return;
2111 }
2112
2113 res = zoran_v4l_queue_frame(fh, buf->index);
2114 if (res)
2115 goto qbuf_unlock_and_return;
2116 if (!zr->v4l_memgrab_active && fh->buffers.active == ZORAN_LOCKED)
2117 zr36057_set_memgrab(zr, 1);
2118 break;
2119
2120 case ZORAN_MAP_MODE_JPG_REC:
2121 case ZORAN_MAP_MODE_JPG_PLAY:
2122 if (fh->map_mode == ZORAN_MAP_MODE_JPG_PLAY) {
2123 buf_type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
2124 codec_mode = BUZ_MODE_MOTION_DECOMPRESS;
2125 } else {
2126 buf_type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
2127 codec_mode = BUZ_MODE_MOTION_COMPRESS;
2128 }
2129
2130 if (buf->type != buf_type) {
2131 dprintk(1, KERN_ERR
2132 "%s: VIDIOC_QBUF - invalid buf->type=%d for map_mode=%d\n",
2133 ZR_DEVNAME(zr), buf->type, fh->map_mode);
2134 res = -EINVAL;
2135 goto qbuf_unlock_and_return;
2136 }
2137
2138 res = zoran_jpg_queue_frame(fh, buf->index, codec_mode);
2139 if (res != 0)
2140 goto qbuf_unlock_and_return;
2141 if (zr->codec_mode == BUZ_MODE_IDLE &&
2142 fh->buffers.active == ZORAN_LOCKED)
2143 zr36057_enable_jpg(zr, codec_mode);
2144
2145 break;
2146
2147 default:
2148 dprintk(1, KERN_ERR
2149 "%s: VIDIOC_QBUF - unsupported type %d\n",
2150 ZR_DEVNAME(zr), buf->type);
2151 res = -EINVAL;
2152 break;
2153 }
2154 qbuf_unlock_and_return:
2155 mutex_unlock(&zr->resource_lock);
2156
2157 return res;
2158 }
2159
2160 static int zoran_dqbuf(struct file *file, void *__fh, struct v4l2_buffer *buf)
2161 {
2162 struct zoran_fh *fh = __fh;
2163 struct zoran *zr = fh->zr;
2164 int res = 0, buf_type, num = -1; /* compiler borks here (?) */
2165
2166 mutex_lock(&zr->resource_lock);
2167
2168 switch (fh->map_mode) {
2169 case ZORAN_MAP_MODE_RAW:
2170 if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
2171 dprintk(1, KERN_ERR
2172 "%s: VIDIOC_QBUF - invalid buf->type=%d for map_mode=%d\n",
2173 ZR_DEVNAME(zr), buf->type, fh->map_mode);
2174 res = -EINVAL;
2175 goto dqbuf_unlock_and_return;
2176 }
2177
2178 num = zr->v4l_pend[zr->v4l_sync_tail & V4L_MASK_FRAME];
2179 if (file->f_flags & O_NONBLOCK &&
2180 zr->v4l_buffers.buffer[num].state != BUZ_STATE_DONE) {
2181 res = -EAGAIN;
2182 goto dqbuf_unlock_and_return;
2183 }
2184 res = v4l_sync(fh, num);
2185 if (res)
2186 goto dqbuf_unlock_and_return;
2187 zr->v4l_sync_tail++;
2188 res = zoran_v4l2_buffer_status(fh, buf, num);
2189 break;
2190
2191 case ZORAN_MAP_MODE_JPG_REC:
2192 case ZORAN_MAP_MODE_JPG_PLAY:
2193 {
2194 struct zoran_sync bs;
2195
2196 if (fh->map_mode == ZORAN_MAP_MODE_JPG_PLAY)
2197 buf_type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
2198 else
2199 buf_type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
2200
2201 if (buf->type != buf_type) {
2202 dprintk(1, KERN_ERR
2203 "%s: VIDIOC_QBUF - invalid buf->type=%d for map_mode=%d\n",
2204 ZR_DEVNAME(zr), buf->type, fh->map_mode);
2205 res = -EINVAL;
2206 goto dqbuf_unlock_and_return;
2207 }
2208
2209 num = zr->jpg_pend[zr->jpg_que_tail & BUZ_MASK_FRAME];
2210
2211 if (file->f_flags & O_NONBLOCK &&
2212 zr->jpg_buffers.buffer[num].state != BUZ_STATE_DONE) {
2213 res = -EAGAIN;
2214 goto dqbuf_unlock_and_return;
2215 }
2216 bs.frame = 0; /* suppress compiler warning */
2217 res = jpg_sync(fh, &bs);
2218 if (res)
2219 goto dqbuf_unlock_and_return;
2220 res = zoran_v4l2_buffer_status(fh, buf, bs.frame);
2221 break;
2222 }
2223
2224 default:
2225 dprintk(1, KERN_ERR
2226 "%s: VIDIOC_DQBUF - unsupported type %d\n",
2227 ZR_DEVNAME(zr), buf->type);
2228 res = -EINVAL;
2229 break;
2230 }
2231 dqbuf_unlock_and_return:
2232 mutex_unlock(&zr->resource_lock);
2233
2234 return res;
2235 }
2236
2237 static int zoran_streamon(struct file *file, void *__fh, enum v4l2_buf_type type)
2238 {
2239 struct zoran_fh *fh = __fh;
2240 struct zoran *zr = fh->zr;
2241 int res = 0;
2242
2243 mutex_lock(&zr->resource_lock);
2244
2245 switch (fh->map_mode) {
2246 case ZORAN_MAP_MODE_RAW: /* raw capture */
2247 if (zr->v4l_buffers.active != ZORAN_ACTIVE ||
2248 fh->buffers.active != ZORAN_ACTIVE) {
2249 res = -EBUSY;
2250 goto strmon_unlock_and_return;
2251 }
2252
2253 zr->v4l_buffers.active = fh->buffers.active = ZORAN_LOCKED;
2254 zr->v4l_settings = fh->v4l_settings;
2255
2256 zr->v4l_sync_tail = zr->v4l_pend_tail;
2257 if (!zr->v4l_memgrab_active &&
2258 zr->v4l_pend_head != zr->v4l_pend_tail) {
2259 zr36057_set_memgrab(zr, 1);
2260 }
2261 break;
2262
2263 case ZORAN_MAP_MODE_JPG_REC:
2264 case ZORAN_MAP_MODE_JPG_PLAY:
2265 /* what is the codec mode right now? */
2266 if (zr->jpg_buffers.active != ZORAN_ACTIVE ||
2267 fh->buffers.active != ZORAN_ACTIVE) {
2268 res = -EBUSY;
2269 goto strmon_unlock_and_return;
2270 }
2271
2272 zr->jpg_buffers.active = fh->buffers.active = ZORAN_LOCKED;
2273
2274 if (zr->jpg_que_head != zr->jpg_que_tail) {
2275 /* Start the jpeg codec when the first frame is queued */
2276 jpeg_start(zr);
2277 }
2278 break;
2279
2280 default:
2281 dprintk(1,
2282 KERN_ERR
2283 "%s: VIDIOC_STREAMON - invalid map mode %d\n",
2284 ZR_DEVNAME(zr), fh->map_mode);
2285 res = -EINVAL;
2286 break;
2287 }
2288 strmon_unlock_and_return:
2289 mutex_unlock(&zr->resource_lock);
2290
2291 return res;
2292 }
2293
2294 static int zoran_streamoff(struct file *file, void *__fh, enum v4l2_buf_type type)
2295 {
2296 struct zoran_fh *fh = __fh;
2297 struct zoran *zr = fh->zr;
2298 int i, res = 0;
2299 unsigned long flags;
2300
2301 mutex_lock(&zr->resource_lock);
2302
2303 switch (fh->map_mode) {
2304 case ZORAN_MAP_MODE_RAW: /* raw capture */
2305 if (fh->buffers.active == ZORAN_FREE &&
2306 zr->v4l_buffers.active != ZORAN_FREE) {
2307 res = -EPERM; /* stay off other's settings! */
2308 goto strmoff_unlock_and_return;
2309 }
2310 if (zr->v4l_buffers.active == ZORAN_FREE)
2311 goto strmoff_unlock_and_return;
2312
2313 spin_lock_irqsave(&zr->spinlock, flags);
2314 /* unload capture */
2315 if (zr->v4l_memgrab_active) {
2316
2317 zr36057_set_memgrab(zr, 0);
2318 }
2319
2320 for (i = 0; i < fh->buffers.num_buffers; i++)
2321 zr->v4l_buffers.buffer[i].state = BUZ_STATE_USER;
2322 fh->buffers = zr->v4l_buffers;
2323
2324 zr->v4l_buffers.active = fh->buffers.active = ZORAN_FREE;
2325
2326 zr->v4l_grab_seq = 0;
2327 zr->v4l_pend_head = zr->v4l_pend_tail = 0;
2328 zr->v4l_sync_tail = 0;
2329
2330 spin_unlock_irqrestore(&zr->spinlock, flags);
2331
2332 break;
2333
2334 case ZORAN_MAP_MODE_JPG_REC:
2335 case ZORAN_MAP_MODE_JPG_PLAY:
2336 if (fh->buffers.active == ZORAN_FREE &&
2337 zr->jpg_buffers.active != ZORAN_FREE) {
2338 res = -EPERM; /* stay off other's settings! */
2339 goto strmoff_unlock_and_return;
2340 }
2341 if (zr->jpg_buffers.active == ZORAN_FREE)
2342 goto strmoff_unlock_and_return;
2343
2344 res = jpg_qbuf(fh, -1,
2345 (fh->map_mode == ZORAN_MAP_MODE_JPG_REC) ?
2346 BUZ_MODE_MOTION_COMPRESS :
2347 BUZ_MODE_MOTION_DECOMPRESS);
2348 if (res)
2349 goto strmoff_unlock_and_return;
2350 break;
2351 default:
2352 dprintk(1, KERN_ERR
2353 "%s: VIDIOC_STREAMOFF - invalid map mode %d\n",
2354 ZR_DEVNAME(zr), fh->map_mode);
2355 res = -EINVAL;
2356 break;
2357 }
2358 strmoff_unlock_and_return:
2359 mutex_unlock(&zr->resource_lock);
2360
2361 return res;
2362 }
2363
2364 static int zoran_queryctrl(struct file *file, void *__fh,
2365 struct v4l2_queryctrl *ctrl)
2366 {
2367 struct zoran_fh *fh = __fh;
2368 struct zoran *zr = fh->zr;
2369
2370 /* we only support hue/saturation/contrast/brightness */
2371 if (ctrl->id < V4L2_CID_BRIGHTNESS ||
2372 ctrl->id > V4L2_CID_HUE)
2373 return -EINVAL;
2374
2375 decoder_call(zr, core, queryctrl, ctrl);
2376
2377 return 0;
2378 }
2379
2380 static int zoran_g_ctrl(struct file *file, void *__fh, struct v4l2_control *ctrl)
2381 {
2382 struct zoran_fh *fh = __fh;
2383 struct zoran *zr = fh->zr;
2384
2385 /* we only support hue/saturation/contrast/brightness */
2386 if (ctrl->id < V4L2_CID_BRIGHTNESS ||
2387 ctrl->id > V4L2_CID_HUE)
2388 return -EINVAL;
2389
2390 mutex_lock(&zr->resource_lock);
2391 decoder_call(zr, core, g_ctrl, ctrl);
2392 mutex_unlock(&zr->resource_lock);
2393
2394 return 0;
2395 }
2396
2397 static int zoran_s_ctrl(struct file *file, void *__fh, struct v4l2_control *ctrl)
2398 {
2399 struct zoran_fh *fh = __fh;
2400 struct zoran *zr = fh->zr;
2401
2402 /* we only support hue/saturation/contrast/brightness */
2403 if (ctrl->id < V4L2_CID_BRIGHTNESS ||
2404 ctrl->id > V4L2_CID_HUE)
2405 return -EINVAL;
2406
2407 mutex_lock(&zr->resource_lock);
2408 decoder_call(zr, core, s_ctrl, ctrl);
2409 mutex_unlock(&zr->resource_lock);
2410
2411 return 0;
2412 }
2413
2414 static int zoran_g_std(struct file *file, void *__fh, v4l2_std_id *std)
2415 {
2416 struct zoran_fh *fh = __fh;
2417 struct zoran *zr = fh->zr;
2418
2419 mutex_lock(&zr->resource_lock);
2420 *std = zr->norm;
2421 mutex_unlock(&zr->resource_lock);
2422 return 0;
2423 }
2424
2425 static int zoran_s_std(struct file *file, void *__fh, v4l2_std_id *std)
2426 {
2427 struct zoran_fh *fh = __fh;
2428 struct zoran *zr = fh->zr;
2429 int res = 0;
2430
2431 mutex_lock(&zr->resource_lock);
2432 res = zoran_set_norm(zr, *std);
2433 if (res)
2434 goto sstd_unlock_and_return;
2435
2436 res = wait_grab_pending(zr);
2437 sstd_unlock_and_return:
2438 mutex_unlock(&zr->resource_lock);
2439 return res;
2440 }
2441
2442 static int zoran_enum_input(struct file *file, void *__fh,
2443 struct v4l2_input *inp)
2444 {
2445 struct zoran_fh *fh = __fh;
2446 struct zoran *zr = fh->zr;
2447
2448 if (inp->index >= zr->card.inputs)
2449 return -EINVAL;
2450
2451 strncpy(inp->name, zr->card.input[inp->index].name,
2452 sizeof(inp->name) - 1);
2453 inp->type = V4L2_INPUT_TYPE_CAMERA;
2454 inp->std = V4L2_STD_ALL;
2455
2456 /* Get status of video decoder */
2457 mutex_lock(&zr->resource_lock);
2458 decoder_call(zr, video, g_input_status, &inp->status);
2459 mutex_unlock(&zr->resource_lock);
2460 return 0;
2461 }
2462
2463 static int zoran_g_input(struct file *file, void *__fh, unsigned int *input)
2464 {
2465 struct zoran_fh *fh = __fh;
2466 struct zoran *zr = fh->zr;
2467
2468 mutex_lock(&zr->resource_lock);
2469 *input = zr->input;
2470 mutex_unlock(&zr->resource_lock);
2471
2472 return 0;
2473 }
2474
2475 static int zoran_s_input(struct file *file, void *__fh, unsigned int input)
2476 {
2477 struct zoran_fh *fh = __fh;
2478 struct zoran *zr = fh->zr;
2479 int res;
2480
2481 mutex_lock(&zr->resource_lock);
2482 res = zoran_set_input(zr, input);
2483 if (res)
2484 goto sinput_unlock_and_return;
2485
2486 /* Make sure the changes come into effect */
2487 res = wait_grab_pending(zr);
2488 sinput_unlock_and_return:
2489 mutex_unlock(&zr->resource_lock);
2490 return res;
2491 }
2492
2493 static int zoran_enum_output(struct file *file, void *__fh,
2494 struct v4l2_output *outp)
2495 {
2496 if (outp->index != 0)
2497 return -EINVAL;
2498
2499 outp->index = 0;
2500 outp->type = V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY;
2501 strncpy(outp->name, "Autodetect", sizeof(outp->name)-1);
2502
2503 return 0;
2504 }
2505
2506 static int zoran_g_output(struct file *file, void *__fh, unsigned int *output)
2507 {
2508 *output = 0;
2509
2510 return 0;
2511 }
2512
2513 static int zoran_s_output(struct file *file, void *__fh, unsigned int output)
2514 {
2515 if (output != 0)
2516 return -EINVAL;
2517
2518 return 0;
2519 }
2520
2521 /* cropping (sub-frame capture) */
2522 static int zoran_cropcap(struct file *file, void *__fh,
2523 struct v4l2_cropcap *cropcap)
2524 {
2525 struct zoran_fh *fh = __fh;
2526 struct zoran *zr = fh->zr;
2527 int type = cropcap->type, res = 0;
2528
2529 memset(cropcap, 0, sizeof(*cropcap));
2530 cropcap->type = type;
2531
2532 mutex_lock(&zr->resource_lock);
2533
2534 if (cropcap->type != V4L2_BUF_TYPE_VIDEO_OUTPUT &&
2535 (cropcap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE ||
2536 fh->map_mode == ZORAN_MAP_MODE_RAW)) {
2537 dprintk(1, KERN_ERR
2538 "%s: VIDIOC_CROPCAP - subcapture only supported for compressed capture\n",
2539 ZR_DEVNAME(zr));
2540 res = -EINVAL;
2541 goto cropcap_unlock_and_return;
2542 }
2543
2544 cropcap->bounds.top = cropcap->bounds.left = 0;
2545 cropcap->bounds.width = BUZ_MAX_WIDTH;
2546 cropcap->bounds.height = BUZ_MAX_HEIGHT;
2547 cropcap->defrect.top = cropcap->defrect.left = 0;
2548 cropcap->defrect.width = BUZ_MIN_WIDTH;
2549 cropcap->defrect.height = BUZ_MIN_HEIGHT;
2550 cropcap_unlock_and_return:
2551 mutex_unlock(&zr->resource_lock);
2552 return res;
2553 }
2554
2555 static int zoran_g_crop(struct file *file, void *__fh, struct v4l2_crop *crop)
2556 {
2557 struct zoran_fh *fh = __fh;
2558 struct zoran *zr = fh->zr;
2559 int type = crop->type, res = 0;
2560
2561 memset(crop, 0, sizeof(*crop));
2562 crop->type = type;
2563
2564 mutex_lock(&zr->resource_lock);
2565
2566 if (crop->type != V4L2_BUF_TYPE_VIDEO_OUTPUT &&
2567 (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE ||
2568 fh->map_mode == ZORAN_MAP_MODE_RAW)) {
2569 dprintk(1,
2570 KERN_ERR
2571 "%s: VIDIOC_G_CROP - subcapture only supported for compressed capture\n",
2572 ZR_DEVNAME(zr));
2573 res = -EINVAL;
2574 goto gcrop_unlock_and_return;
2575 }
2576
2577 crop->c.top = fh->jpg_settings.img_y;
2578 crop->c.left = fh->jpg_settings.img_x;
2579 crop->c.width = fh->jpg_settings.img_width;
2580 crop->c.height = fh->jpg_settings.img_height;
2581
2582 gcrop_unlock_and_return:
2583 mutex_unlock(&zr->resource_lock);
2584
2585 return res;
2586 }
2587
2588 static int zoran_s_crop(struct file *file, void *__fh, struct v4l2_crop *crop)
2589 {
2590 struct zoran_fh *fh = __fh;
2591 struct zoran *zr = fh->zr;
2592 int res = 0;
2593 struct zoran_jpg_settings settings;
2594
2595 settings = fh->jpg_settings;
2596
2597 mutex_lock(&zr->resource_lock);
2598
2599 if (fh->buffers.allocated) {
2600 dprintk(1, KERN_ERR
2601 "%s: VIDIOC_S_CROP - cannot change settings while active\n",
2602 ZR_DEVNAME(zr));
2603 res = -EBUSY;
2604 goto scrop_unlock_and_return;
2605 }
2606
2607 if (crop->type != V4L2_BUF_TYPE_VIDEO_OUTPUT &&
2608 (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE ||
2609 fh->map_mode == ZORAN_MAP_MODE_RAW)) {
2610 dprintk(1, KERN_ERR
2611 "%s: VIDIOC_G_CROP - subcapture only supported for compressed capture\n",
2612 ZR_DEVNAME(zr));
2613 res = -EINVAL;
2614 goto scrop_unlock_and_return;
2615 }
2616
2617 /* move into a form that we understand */
2618 settings.img_x = crop->c.left;
2619 settings.img_y = crop->c.top;
2620 settings.img_width = crop->c.width;
2621 settings.img_height = crop->c.height;
2622
2623 /* check validity */
2624 res = zoran_check_jpg_settings(zr, &settings, 0);
2625 if (res)
2626 goto scrop_unlock_and_return;
2627
2628 /* accept */
2629 fh->jpg_settings = settings;
2630
2631 scrop_unlock_and_return:
2632 mutex_unlock(&zr->resource_lock);
2633 return res;
2634 }
2635
2636 static int zoran_g_jpegcomp(struct file *file, void *__fh,
2637 struct v4l2_jpegcompression *params)
2638 {
2639 struct zoran_fh *fh = __fh;
2640 struct zoran *zr = fh->zr;
2641 memset(params, 0, sizeof(*params));
2642
2643 mutex_lock(&zr->resource_lock);
2644
2645 params->quality = fh->jpg_settings.jpg_comp.quality;
2646 params->APPn = fh->jpg_settings.jpg_comp.APPn;
2647 memcpy(params->APP_data,
2648 fh->jpg_settings.jpg_comp.APP_data,
2649 fh->jpg_settings.jpg_comp.APP_len);
2650 params->APP_len = fh->jpg_settings.jpg_comp.APP_len;
2651 memcpy(params->COM_data,
2652 fh->jpg_settings.jpg_comp.COM_data,
2653 fh->jpg_settings.jpg_comp.COM_len);
2654 params->COM_len = fh->jpg_settings.jpg_comp.COM_len;
2655 params->jpeg_markers =
2656 fh->jpg_settings.jpg_comp.jpeg_markers;
2657
2658 mutex_unlock(&zr->resource_lock);
2659
2660 return 0;
2661 }
2662
2663 static int zoran_s_jpegcomp(struct file *file, void *__fh,
2664 struct v4l2_jpegcompression *params)
2665 {
2666 struct zoran_fh *fh = __fh;
2667 struct zoran *zr = fh->zr;
2668 int res = 0;
2669 struct zoran_jpg_settings settings;
2670
2671 settings = fh->jpg_settings;
2672
2673 settings.jpg_comp = *params;
2674
2675 mutex_lock(&zr->resource_lock);
2676
2677 if (fh->buffers.active != ZORAN_FREE) {
2678 dprintk(1, KERN_WARNING
2679 "%s: VIDIOC_S_JPEGCOMP called while in playback/capture mode\n",
2680 ZR_DEVNAME(zr));
2681 res = -EBUSY;
2682 goto sjpegc_unlock_and_return;
2683 }
2684
2685 res = zoran_check_jpg_settings(zr, &settings, 0);
2686 if (res)
2687 goto sjpegc_unlock_and_return;
2688 if (!fh->buffers.allocated)
2689 fh->buffers.buffer_size =
2690 zoran_v4l2_calc_bufsize(&fh->jpg_settings);
2691 fh->jpg_settings.jpg_comp = *params = settings.jpg_comp;
2692 sjpegc_unlock_and_return:
2693 mutex_unlock(&zr->resource_lock);
2694
2695 return res;
2696 }
2697
2698 static unsigned int
2699 zoran_poll (struct file *file,
2700 poll_table *wait)
2701 {
2702 struct zoran_fh *fh = file->private_data;
2703 struct zoran *zr = fh->zr;
2704 int res = 0, frame;
2705 unsigned long flags;
2706
2707 /* we should check whether buffers are ready to be synced on
2708 * (w/o waits - O_NONBLOCK) here
2709 * if ready for read (sync), return POLLIN|POLLRDNORM,
2710 * if ready for write (sync), return POLLOUT|POLLWRNORM,
2711 * if error, return POLLERR,
2712 * if no buffers queued or so, return POLLNVAL
2713 */
2714
2715 mutex_lock(&zr->resource_lock);
2716
2717 switch (fh->map_mode) {
2718 case ZORAN_MAP_MODE_RAW:
2719 poll_wait(file, &zr->v4l_capq, wait);
2720 frame = zr->v4l_pend[zr->v4l_sync_tail & V4L_MASK_FRAME];
2721
2722 spin_lock_irqsave(&zr->spinlock, flags);
2723 dprintk(3,
2724 KERN_DEBUG
2725 "%s: %s() raw - active=%c, sync_tail=%lu/%c, pend_tail=%lu, pend_head=%lu\n",
2726 ZR_DEVNAME(zr), __func__,
2727 "FAL"[fh->buffers.active], zr->v4l_sync_tail,
2728 "UPMD"[zr->v4l_buffers.buffer[frame].state],
2729 zr->v4l_pend_tail, zr->v4l_pend_head);
2730 /* Process is the one capturing? */
2731 if (fh->buffers.active != ZORAN_FREE &&
2732 /* Buffer ready to DQBUF? */
2733 zr->v4l_buffers.buffer[frame].state == BUZ_STATE_DONE)
2734 res = POLLIN | POLLRDNORM;
2735 spin_unlock_irqrestore(&zr->spinlock, flags);
2736
2737 break;
2738
2739 case ZORAN_MAP_MODE_JPG_REC:
2740 case ZORAN_MAP_MODE_JPG_PLAY:
2741 poll_wait(file, &zr->jpg_capq, wait);
2742 frame = zr->jpg_pend[zr->jpg_que_tail & BUZ_MASK_FRAME];
2743
2744 spin_lock_irqsave(&zr->spinlock, flags);
2745 dprintk(3,
2746 KERN_DEBUG
2747 "%s: %s() jpg - active=%c, que_tail=%lu/%c, que_head=%lu, dma=%lu/%lu\n",
2748 ZR_DEVNAME(zr), __func__,
2749 "FAL"[fh->buffers.active], zr->jpg_que_tail,
2750 "UPMD"[zr->jpg_buffers.buffer[frame].state],
2751 zr->jpg_que_head, zr->jpg_dma_tail, zr->jpg_dma_head);
2752 if (fh->buffers.active != ZORAN_FREE &&
2753 zr->jpg_buffers.buffer[frame].state == BUZ_STATE_DONE) {
2754 if (fh->map_mode == ZORAN_MAP_MODE_JPG_REC)
2755 res = POLLIN | POLLRDNORM;
2756 else
2757 res = POLLOUT | POLLWRNORM;
2758 }
2759 spin_unlock_irqrestore(&zr->spinlock, flags);
2760
2761 break;
2762
2763 default:
2764 dprintk(1,
2765 KERN_ERR
2766 "%s: %s - internal error, unknown map_mode=%d\n",
2767 ZR_DEVNAME(zr), __func__, fh->map_mode);
2768 res = POLLNVAL;
2769 }
2770
2771 mutex_unlock(&zr->resource_lock);
2772
2773 return res;
2774 }
2775
2776
2777 /*
2778 * This maps the buffers to user space.
2779 *
2780 * Depending on the state of fh->map_mode
2781 * the V4L or the MJPEG buffers are mapped
2782 * per buffer or all together
2783 *
2784 * Note that we need to connect to some
2785 * unmap signal event to unmap the de-allocate
2786 * the buffer accordingly (zoran_vm_close())
2787 */
2788
2789 static void
2790 zoran_vm_open (struct vm_area_struct *vma)
2791 {
2792 struct zoran_mapping *map = vma->vm_private_data;
2793
2794 map->count++;
2795 }
2796
2797 static void
2798 zoran_vm_close (struct vm_area_struct *vma)
2799 {
2800 struct zoran_mapping *map = vma->vm_private_data;
2801 struct zoran_fh *fh = map->file->private_data;
2802 struct zoran *zr = fh->zr;
2803 int i;
2804
2805 if (--map->count > 0)
2806 return;
2807
2808 dprintk(3, KERN_INFO "%s: %s - munmap(%s)\n", ZR_DEVNAME(zr),
2809 __func__, mode_name(fh->map_mode));
2810
2811 for (i = 0; i < fh->buffers.num_buffers; i++) {
2812 if (fh->buffers.buffer[i].map == map)
2813 fh->buffers.buffer[i].map = NULL;
2814 }
2815 kfree(map);
2816
2817 /* Any buffers still mapped? */
2818 for (i = 0; i < fh->buffers.num_buffers; i++)
2819 if (fh->buffers.buffer[i].map)
2820 return;
2821
2822 dprintk(3, KERN_INFO "%s: %s - free %s buffers\n", ZR_DEVNAME(zr),
2823 __func__, mode_name(fh->map_mode));
2824
2825 mutex_lock(&zr->resource_lock);
2826
2827 if (fh->map_mode == ZORAN_MAP_MODE_RAW) {
2828 if (fh->buffers.active != ZORAN_FREE) {
2829 unsigned long flags;
2830
2831 spin_lock_irqsave(&zr->spinlock, flags);
2832 zr36057_set_memgrab(zr, 0);
2833 zr->v4l_buffers.allocated = 0;
2834 zr->v4l_buffers.active = fh->buffers.active = ZORAN_FREE;
2835 spin_unlock_irqrestore(&zr->spinlock, flags);
2836 }
2837 v4l_fbuffer_free(fh);
2838 } else {
2839 if (fh->buffers.active != ZORAN_FREE) {
2840 jpg_qbuf(fh, -1, zr->codec_mode);
2841 zr->jpg_buffers.allocated = 0;
2842 zr->jpg_buffers.active = fh->buffers.active = ZORAN_FREE;
2843 }
2844 jpg_fbuffer_free(fh);
2845 }
2846
2847 mutex_unlock(&zr->resource_lock);
2848 }
2849
2850 static const struct vm_operations_struct zoran_vm_ops = {
2851 .open = zoran_vm_open,
2852 .close = zoran_vm_close,
2853 };
2854
2855 static int
2856 zoran_mmap (struct file *file,
2857 struct vm_area_struct *vma)
2858 {
2859 struct zoran_fh *fh = file->private_data;
2860 struct zoran *zr = fh->zr;
2861 unsigned long size = (vma->vm_end - vma->vm_start);
2862 unsigned long offset = vma->vm_pgoff << PAGE_SHIFT;
2863 int i, j;
2864 unsigned long page, start = vma->vm_start, todo, pos, fraglen;
2865 int first, last;
2866 struct zoran_mapping *map;
2867 int res = 0;
2868
2869 dprintk(3,
2870 KERN_INFO "%s: %s(%s) of 0x%08lx-0x%08lx (size=%lu)\n",
2871 ZR_DEVNAME(zr), __func__,
2872 mode_name(fh->map_mode), vma->vm_start, vma->vm_end, size);
2873
2874 if (!(vma->vm_flags & VM_SHARED) || !(vma->vm_flags & VM_READ) ||
2875 !(vma->vm_flags & VM_WRITE)) {
2876 dprintk(1,
2877 KERN_ERR
2878 "%s: %s - no MAP_SHARED/PROT_{READ,WRITE} given\n",
2879 ZR_DEVNAME(zr), __func__);
2880 return -EINVAL;
2881 }
2882
2883 mutex_lock(&zr->resource_lock);
2884
2885 if (!fh->buffers.allocated) {
2886 dprintk(1,
2887 KERN_ERR
2888 "%s: %s(%s) - buffers not yet allocated\n",
2889 ZR_DEVNAME(zr), __func__, mode_name(fh->map_mode));
2890 res = -ENOMEM;
2891 goto mmap_unlock_and_return;
2892 }
2893
2894 first = offset / fh->buffers.buffer_size;
2895 last = first - 1 + size / fh->buffers.buffer_size;
2896 if (offset % fh->buffers.buffer_size != 0 ||
2897 size % fh->buffers.buffer_size != 0 || first < 0 ||
2898 last < 0 || first >= fh->buffers.num_buffers ||
2899 last >= fh->buffers.buffer_size) {
2900 dprintk(1,
2901 KERN_ERR
2902 "%s: %s(%s) - offset=%lu or size=%lu invalid for bufsize=%d and numbufs=%d\n",
2903 ZR_DEVNAME(zr), __func__, mode_name(fh->map_mode), offset, size,
2904 fh->buffers.buffer_size,
2905 fh->buffers.num_buffers);
2906 res = -EINVAL;
2907 goto mmap_unlock_and_return;
2908 }
2909
2910 /* Check if any buffers are already mapped */
2911 for (i = first; i <= last; i++) {
2912 if (fh->buffers.buffer[i].map) {
2913 dprintk(1,
2914 KERN_ERR
2915 "%s: %s(%s) - buffer %d already mapped\n",
2916 ZR_DEVNAME(zr), __func__, mode_name(fh->map_mode), i);
2917 res = -EBUSY;
2918 goto mmap_unlock_and_return;
2919 }
2920 }
2921
2922 /* map these buffers */
2923 map = kmalloc(sizeof(struct zoran_mapping), GFP_KERNEL);
2924 if (!map) {
2925 res = -ENOMEM;
2926 goto mmap_unlock_and_return;
2927 }
2928 map->file = file;
2929 map->count = 1;
2930
2931 vma->vm_ops = &zoran_vm_ops;
2932 vma->vm_flags |= VM_DONTEXPAND;
2933 vma->vm_private_data = map;
2934
2935 if (fh->map_mode == ZORAN_MAP_MODE_RAW) {
2936 for (i = first; i <= last; i++) {
2937 todo = size;
2938 if (todo > fh->buffers.buffer_size)
2939 todo = fh->buffers.buffer_size;
2940 page = fh->buffers.buffer[i].v4l.fbuffer_phys;
2941 if (remap_pfn_range(vma, start, page >> PAGE_SHIFT,
2942 todo, PAGE_SHARED)) {
2943 dprintk(1,
2944 KERN_ERR
2945 "%s: %s(V4L) - remap_pfn_range failed\n",
2946 ZR_DEVNAME(zr), __func__);
2947 res = -EAGAIN;
2948 goto mmap_unlock_and_return;
2949 }
2950 size -= todo;
2951 start += todo;
2952 fh->buffers.buffer[i].map = map;
2953 if (size == 0)
2954 break;
2955 }
2956 } else {
2957 for (i = first; i <= last; i++) {
2958 for (j = 0;
2959 j < fh->buffers.buffer_size / PAGE_SIZE;
2960 j++) {
2961 fraglen =
2962 (le32_to_cpu(fh->buffers.buffer[i].jpg.
2963 frag_tab[2 * j + 1]) & ~1) << 1;
2964 todo = size;
2965 if (todo > fraglen)
2966 todo = fraglen;
2967 pos =
2968 le32_to_cpu(fh->buffers.
2969 buffer[i].jpg.frag_tab[2 * j]);
2970 /* should just be pos on i386 */
2971 page = virt_to_phys(bus_to_virt(pos))
2972 >> PAGE_SHIFT;
2973 if (remap_pfn_range(vma, start, page,
2974 todo, PAGE_SHARED)) {
2975 dprintk(1,
2976 KERN_ERR
2977 "%s: %s(V4L) - remap_pfn_range failed\n",
2978 ZR_DEVNAME(zr), __func__);
2979 res = -EAGAIN;
2980 goto mmap_unlock_and_return;
2981 }
2982 size -= todo;
2983 start += todo;
2984 if (size == 0)
2985 break;
2986 if (le32_to_cpu(fh->buffers.buffer[i].jpg.
2987 frag_tab[2 * j + 1]) & 1)
2988 break; /* was last fragment */
2989 }
2990 fh->buffers.buffer[i].map = map;
2991 if (size == 0)
2992 break;
2993
2994 }
2995 }
2996
2997 mmap_unlock_and_return:
2998 mutex_unlock(&zr->resource_lock);
2999
3000 return res;
3001 }
3002
3003 static const struct v4l2_ioctl_ops zoran_ioctl_ops = {
3004 .vidioc_querycap = zoran_querycap,
3005 .vidioc_cropcap = zoran_cropcap,
3006 .vidioc_s_crop = zoran_s_crop,
3007 .vidioc_g_crop = zoran_g_crop,
3008 .vidioc_enum_input = zoran_enum_input,
3009 .vidioc_g_input = zoran_g_input,
3010 .vidioc_s_input = zoran_s_input,
3011 .vidioc_enum_output = zoran_enum_output,
3012 .vidioc_g_output = zoran_g_output,
3013 .vidioc_s_output = zoran_s_output,
3014 .vidioc_g_fbuf = zoran_g_fbuf,
3015 .vidioc_s_fbuf = zoran_s_fbuf,
3016 .vidioc_g_std = zoran_g_std,
3017 .vidioc_s_std = zoran_s_std,
3018 .vidioc_g_jpegcomp = zoran_g_jpegcomp,
3019 .vidioc_s_jpegcomp = zoran_s_jpegcomp,
3020 .vidioc_overlay = zoran_overlay,
3021 .vidioc_reqbufs = zoran_reqbufs,
3022 .vidioc_querybuf = zoran_querybuf,
3023 .vidioc_qbuf = zoran_qbuf,
3024 .vidioc_dqbuf = zoran_dqbuf,
3025 .vidioc_streamon = zoran_streamon,
3026 .vidioc_streamoff = zoran_streamoff,
3027 .vidioc_enum_fmt_vid_cap = zoran_enum_fmt_vid_cap,
3028 .vidioc_enum_fmt_vid_out = zoran_enum_fmt_vid_out,
3029 .vidioc_enum_fmt_vid_overlay = zoran_enum_fmt_vid_overlay,
3030 .vidioc_g_fmt_vid_cap = zoran_g_fmt_vid_cap,
3031 .vidioc_g_fmt_vid_out = zoran_g_fmt_vid_out,
3032 .vidioc_g_fmt_vid_overlay = zoran_g_fmt_vid_overlay,
3033 .vidioc_s_fmt_vid_cap = zoran_s_fmt_vid_cap,
3034 .vidioc_s_fmt_vid_out = zoran_s_fmt_vid_out,
3035 .vidioc_s_fmt_vid_overlay = zoran_s_fmt_vid_overlay,
3036 .vidioc_try_fmt_vid_cap = zoran_try_fmt_vid_cap,
3037 .vidioc_try_fmt_vid_out = zoran_try_fmt_vid_out,
3038 .vidioc_try_fmt_vid_overlay = zoran_try_fmt_vid_overlay,
3039 .vidioc_queryctrl = zoran_queryctrl,
3040 .vidioc_s_ctrl = zoran_s_ctrl,
3041 .vidioc_g_ctrl = zoran_g_ctrl,
3042 };
3043
3044 /* please use zr->resource_lock consistently and kill this wrapper */
3045 static long zoran_ioctl(struct file *file, unsigned int cmd,
3046 unsigned long arg)
3047 {
3048 struct zoran_fh *fh = file->private_data;
3049 struct zoran *zr = fh->zr;
3050 int ret;
3051
3052 mutex_lock(&zr->other_lock);
3053 ret = video_ioctl2(file, cmd, arg);
3054 mutex_unlock(&zr->other_lock);
3055
3056 return ret;
3057 }
3058
3059 static const struct v4l2_file_operations zoran_fops = {
3060 .owner = THIS_MODULE,
3061 .open = zoran_open,
3062 .release = zoran_close,
3063 .unlocked_ioctl = zoran_ioctl,
3064 .read = zoran_read,
3065 .write = zoran_write,
3066 .mmap = zoran_mmap,
3067 .poll = zoran_poll,
3068 };
3069
3070 struct video_device zoran_template __devinitdata = {
3071 .name = ZORAN_NAME,
3072 .fops = &zoran_fops,
3073 .ioctl_ops = &zoran_ioctl_ops,
3074 .release = &zoran_vdev_release,
3075 .tvnorms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM,
3076 };
3077
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