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Linux 3.12.39
[linux/fpc-iii.git] / drivers / media / pci / zoran / zoran_driver.c
blobe7e9840c6c35f4060835250cfde4d018a5564f63
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,
1135 int x,
1136 int y,
1137 int width,
1138 int height,
1139 struct v4l2_clip __user *clips,
1140 unsigned int clipcount,
1141 void __user *bitmap)
1142 {
1143 struct zoran *zr = fh->zr;
1144 struct v4l2_clip *vcp = NULL;
1145 int on, end;
1146
1147
1148 if (!zr->vbuf_base) {
1149 dprintk(1,
1150 KERN_ERR
1151 "%s: %s - frame buffer has to be set first\n",
1152 ZR_DEVNAME(zr), __func__);
1153 return -EINVAL;
1154 }
1155
1156 if (!fh->overlay_settings.format) {
1157 dprintk(1,
1158 KERN_ERR
1159 "%s: %s - no overlay format set\n",
1160 ZR_DEVNAME(zr), __func__);
1161 return -EINVAL;
1162 }
1163
1164 if (clipcount > 2048) {
1165 dprintk(1,
1166 KERN_ERR
1167 "%s: %s - invalid clipcount\n",
1168 ZR_DEVNAME(zr), __func__);
1169 return -EINVAL;
1170 }
1171
1172 /*
1173 * The video front end needs 4-byte alinged line sizes, we correct that
1174 * silently here if necessary
1175 */
1176 if (zr->vbuf_depth == 15 || zr->vbuf_depth == 16) {
1177 end = (x + width) & ~1; /* round down */
1178 x = (x + 1) & ~1; /* round up */
1179 width = end - x;
1180 }
1181
1182 if (zr->vbuf_depth == 24) {
1183 end = (x + width) & ~3; /* round down */
1184 x = (x + 3) & ~3; /* round up */
1185 width = end - x;
1186 }
1187
1188 if (width > BUZ_MAX_WIDTH)
1189 width = BUZ_MAX_WIDTH;
1190 if (height > BUZ_MAX_HEIGHT)
1191 height = BUZ_MAX_HEIGHT;
1192
1193 /* Check for invalid parameters */
1194 if (width < BUZ_MIN_WIDTH || height < BUZ_MIN_HEIGHT ||
1195 width > BUZ_MAX_WIDTH || height > BUZ_MAX_HEIGHT) {
1196 dprintk(1,
1197 KERN_ERR
1198 "%s: %s - width = %d or height = %d invalid\n",
1199 ZR_DEVNAME(zr), __func__, width, height);
1200 return -EINVAL;
1201 }
1202
1203 fh->overlay_settings.x = x;
1204 fh->overlay_settings.y = y;
1205 fh->overlay_settings.width = width;
1206 fh->overlay_settings.height = height;
1207 fh->overlay_settings.clipcount = clipcount;
1208
1209 /*
1210 * If an overlay is running, we have to switch it off
1211 * and switch it on again in order to get the new settings in effect.
1212 *
1213 * We also want to avoid that the overlay mask is written
1214 * when an overlay is running.
1215 */
1216
1217 on = zr->v4l_overlay_active && !zr->v4l_memgrab_active &&
1218 zr->overlay_active != ZORAN_FREE &&
1219 fh->overlay_active != ZORAN_FREE;
1220 if (on)
1221 zr36057_overlay(zr, 0);
1222
1223 /*
1224 * Write the overlay mask if clips are wanted.
1225 * We prefer a bitmap.
1226 */
1227 if (bitmap) {
1228 /* fake value - it just means we want clips */
1229 fh->overlay_settings.clipcount = 1;
1230
1231 if (copy_from_user(fh->overlay_mask, bitmap,
1232 (width * height + 7) / 8)) {
1233 return -EFAULT;
1234 }
1235 } else if (clipcount) {
1236 /* write our own bitmap from the clips */
1237 vcp = vmalloc(sizeof(struct v4l2_clip) * (clipcount + 4));
1238 if (vcp == NULL) {
1239 dprintk(1,
1240 KERN_ERR
1241 "%s: %s - Alloc of clip mask failed\n",
1242 ZR_DEVNAME(zr), __func__);
1243 return -ENOMEM;
1244 }
1245 if (copy_from_user
1246 (vcp, clips, sizeof(struct v4l2_clip) * clipcount)) {
1247 vfree(vcp);
1248 return -EFAULT;
1249 }
1250 write_overlay_mask(fh, vcp, clipcount);
1251 vfree(vcp);
1252 }
1253
1254 fh->overlay_settings.is_set = 1;
1255 if (fh->overlay_active != ZORAN_FREE &&
1256 zr->overlay_active != ZORAN_FREE)
1257 zr->overlay_settings = fh->overlay_settings;
1258
1259 if (on)
1260 zr36057_overlay(zr, 1);
1261
1262 /* Make sure the changes come into effect */
1263 return wait_grab_pending(zr);
1264 }
1265
1266 static int setup_overlay(struct zoran_fh *fh, int on)
1267 {
1268 struct zoran *zr = fh->zr;
1269
1270 /* If there is nothing to do, return immediately */
1271 if ((on && fh->overlay_active != ZORAN_FREE) ||
1272 (!on && fh->overlay_active == ZORAN_FREE))
1273 return 0;
1274
1275 /* check whether we're touching someone else's overlay */
1276 if (on && zr->overlay_active != ZORAN_FREE &&
1277 fh->overlay_active == ZORAN_FREE) {
1278 dprintk(1,
1279 KERN_ERR
1280 "%s: %s - overlay is already active for another session\n",
1281 ZR_DEVNAME(zr), __func__);
1282 return -EBUSY;
1283 }
1284 if (!on && zr->overlay_active != ZORAN_FREE &&
1285 fh->overlay_active == ZORAN_FREE) {
1286 dprintk(1,
1287 KERN_ERR
1288 "%s: %s - you cannot cancel someone else's session\n",
1289 ZR_DEVNAME(zr), __func__);
1290 return -EPERM;
1291 }
1292
1293 if (on == 0) {
1294 zr->overlay_active = fh->overlay_active = ZORAN_FREE;
1295 zr->v4l_overlay_active = 0;
1296 /* When a grab is running, the video simply
1297 * won't be switched on any more */
1298 if (!zr->v4l_memgrab_active)
1299 zr36057_overlay(zr, 0);
1300 zr->overlay_mask = NULL;
1301 } else {
1302 if (!zr->vbuf_base || !fh->overlay_settings.is_set) {
1303 dprintk(1,
1304 KERN_ERR
1305 "%s: %s - buffer or window not set\n",
1306 ZR_DEVNAME(zr), __func__);
1307 return -EINVAL;
1308 }
1309 if (!fh->overlay_settings.format) {
1310 dprintk(1,
1311 KERN_ERR
1312 "%s: %s - no overlay format set\n",
1313 ZR_DEVNAME(zr), __func__);
1314 return -EINVAL;
1315 }
1316 zr->overlay_active = fh->overlay_active = ZORAN_LOCKED;
1317 zr->v4l_overlay_active = 1;
1318 zr->overlay_mask = fh->overlay_mask;
1319 zr->overlay_settings = fh->overlay_settings;
1320 if (!zr->v4l_memgrab_active)
1321 zr36057_overlay(zr, 1);
1322 /* When a grab is running, the video will be
1323 * switched on when grab is finished */
1324 }
1325
1326 /* Make sure the changes come into effect */
1327 return wait_grab_pending(zr);
1328 }
1329
1330 /* get the status of a buffer in the clients buffer queue */
1331 static int zoran_v4l2_buffer_status(struct zoran_fh *fh,
1332 struct v4l2_buffer *buf, int num)
1333 {
1334 struct zoran *zr = fh->zr;
1335 unsigned long flags;
1336
1337 buf->flags = V4L2_BUF_FLAG_MAPPED | V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1338
1339 switch (fh->map_mode) {
1340 case ZORAN_MAP_MODE_RAW:
1341 /* check range */
1342 if (num < 0 || num >= fh->buffers.num_buffers ||
1343 !fh->buffers.allocated) {
1344 dprintk(1,
1345 KERN_ERR
1346 "%s: %s - wrong number or buffers not allocated\n",
1347 ZR_DEVNAME(zr), __func__);
1348 return -EINVAL;
1349 }
1350
1351 spin_lock_irqsave(&zr->spinlock, flags);
1352 dprintk(3,
1353 KERN_DEBUG
1354 "%s: %s() - raw active=%c, buffer %d: state=%c, map=%c\n",
1355 ZR_DEVNAME(zr), __func__,
1356 "FAL"[fh->buffers.active], num,
1357 "UPMD"[zr->v4l_buffers.buffer[num].state],
1358 fh->buffers.buffer[num].map ? 'Y' : 'N');
1359 spin_unlock_irqrestore(&zr->spinlock, flags);
1360
1361 buf->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1362 buf->length = fh->buffers.buffer_size;
1363
1364 /* get buffer */
1365 buf->bytesused = fh->buffers.buffer[num].bs.length;
1366 if (fh->buffers.buffer[num].state == BUZ_STATE_DONE ||
1367 fh->buffers.buffer[num].state == BUZ_STATE_USER) {
1368 buf->sequence = fh->buffers.buffer[num].bs.seq;
1369 buf->flags |= V4L2_BUF_FLAG_DONE;
1370 buf->timestamp = fh->buffers.buffer[num].bs.timestamp;
1371 } else {
1372 buf->flags |= V4L2_BUF_FLAG_QUEUED;
1373 }
1374
1375 if (fh->v4l_settings.height <= BUZ_MAX_HEIGHT / 2)
1376 buf->field = V4L2_FIELD_TOP;
1377 else
1378 buf->field = V4L2_FIELD_INTERLACED;
1379
1380 break;
1381
1382 case ZORAN_MAP_MODE_JPG_REC:
1383 case ZORAN_MAP_MODE_JPG_PLAY:
1384
1385 /* check range */
1386 if (num < 0 || num >= fh->buffers.num_buffers ||
1387 !fh->buffers.allocated) {
1388 dprintk(1,
1389 KERN_ERR
1390 "%s: %s - wrong number or buffers not allocated\n",
1391 ZR_DEVNAME(zr), __func__);
1392 return -EINVAL;
1393 }
1394
1395 buf->type = (fh->map_mode == ZORAN_MAP_MODE_JPG_REC) ?
1396 V4L2_BUF_TYPE_VIDEO_CAPTURE :
1397 V4L2_BUF_TYPE_VIDEO_OUTPUT;
1398 buf->length = fh->buffers.buffer_size;
1399
1400 /* these variables are only written after frame has been captured */
1401 if (fh->buffers.buffer[num].state == BUZ_STATE_DONE ||
1402 fh->buffers.buffer[num].state == BUZ_STATE_USER) {
1403 buf->sequence = fh->buffers.buffer[num].bs.seq;
1404 buf->timestamp = fh->buffers.buffer[num].bs.timestamp;
1405 buf->bytesused = fh->buffers.buffer[num].bs.length;
1406 buf->flags |= V4L2_BUF_FLAG_DONE;
1407 } else {
1408 buf->flags |= V4L2_BUF_FLAG_QUEUED;
1409 }
1410
1411 /* which fields are these? */
1412 if (fh->jpg_settings.TmpDcm != 1)
1413 buf->field = fh->jpg_settings.odd_even ?
1414 V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM;
1415 else
1416 buf->field = fh->jpg_settings.odd_even ?
1417 V4L2_FIELD_SEQ_TB : V4L2_FIELD_SEQ_BT;
1418
1419 break;
1420
1421 default:
1422
1423 dprintk(5,
1424 KERN_ERR
1425 "%s: %s - invalid buffer type|map_mode (%d|%d)\n",
1426 ZR_DEVNAME(zr), __func__, buf->type, fh->map_mode);
1427 return -EINVAL;
1428 }
1429
1430 buf->memory = V4L2_MEMORY_MMAP;
1431 buf->index = num;
1432 buf->m.offset = buf->length * num;
1433
1434 return 0;
1435 }
1436
1437 static int
1438 zoran_set_norm (struct zoran *zr,
1439 v4l2_std_id norm)
1440 {
1441 int on;
1442
1443 if (zr->v4l_buffers.active != ZORAN_FREE ||
1444 zr->jpg_buffers.active != ZORAN_FREE) {
1445 dprintk(1,
1446 KERN_WARNING
1447 "%s: %s called while in playback/capture mode\n",
1448 ZR_DEVNAME(zr), __func__);
1449 return -EBUSY;
1450 }
1451
1452 if (!(norm & zr->card.norms)) {
1453 dprintk(1,
1454 KERN_ERR "%s: %s - unsupported norm %llx\n",
1455 ZR_DEVNAME(zr), __func__, norm);
1456 return -EINVAL;
1457 }
1458
1459 if (norm & V4L2_STD_SECAM)
1460 zr->timing = zr->card.tvn[2];
1461 else if (norm & V4L2_STD_NTSC)
1462 zr->timing = zr->card.tvn[1];
1463 else
1464 zr->timing = zr->card.tvn[0];
1465
1466 /* We switch overlay off and on since a change in the
1467 * norm needs different VFE settings */
1468 on = zr->overlay_active && !zr->v4l_memgrab_active;
1469 if (on)
1470 zr36057_overlay(zr, 0);
1471
1472 decoder_call(zr, core, s_std, norm);
1473 encoder_call(zr, video, s_std_output, norm);
1474
1475 if (on)
1476 zr36057_overlay(zr, 1);
1477
1478 /* Make sure the changes come into effect */
1479 zr->norm = norm;
1480
1481 return 0;
1482 }
1483
1484 static int
1485 zoran_set_input (struct zoran *zr,
1486 int input)
1487 {
1488 if (input == zr->input) {
1489 return 0;
1490 }
1491
1492 if (zr->v4l_buffers.active != ZORAN_FREE ||
1493 zr->jpg_buffers.active != ZORAN_FREE) {
1494 dprintk(1,
1495 KERN_WARNING
1496 "%s: %s called while in playback/capture mode\n",
1497 ZR_DEVNAME(zr), __func__);
1498 return -EBUSY;
1499 }
1500
1501 if (input < 0 || input >= zr->card.inputs) {
1502 dprintk(1,
1503 KERN_ERR
1504 "%s: %s - unnsupported input %d\n",
1505 ZR_DEVNAME(zr), __func__, input);
1506 return -EINVAL;
1507 }
1508
1509 zr->input = input;
1510
1511 decoder_call(zr, video, s_routing,
1512 zr->card.input[input].muxsel, 0, 0);
1513
1514 return 0;
1515 }
1516
1517 /*
1518 * ioctl routine
1519 */
1520
1521 static int zoran_querycap(struct file *file, void *__fh, struct v4l2_capability *cap)
1522 {
1523 struct zoran_fh *fh = __fh;
1524 struct zoran *zr = fh->zr;
1525
1526 memset(cap, 0, sizeof(*cap));
1527 strncpy(cap->card, ZR_DEVNAME(zr), sizeof(cap->card)-1);
1528 strncpy(cap->driver, "zoran", sizeof(cap->driver)-1);
1529 snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI:%s",
1530 pci_name(zr->pci_dev));
1531 cap->capabilities = V4L2_CAP_STREAMING | V4L2_CAP_VIDEO_CAPTURE |
1532 V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_VIDEO_OVERLAY;
1533 return 0;
1534 }
1535
1536 static int zoran_enum_fmt(struct zoran *zr, struct v4l2_fmtdesc *fmt, int flag)
1537 {
1538 unsigned int num, i;
1539
1540 for (num = i = 0; i < NUM_FORMATS; i++) {
1541 if (zoran_formats[i].flags & flag && num++ == fmt->index) {
1542 strncpy(fmt->description, zoran_formats[i].name,
1543 sizeof(fmt->description) - 1);
1544 /* fmt struct pre-zeroed, so adding '\0' not needed */
1545 fmt->pixelformat = zoran_formats[i].fourcc;
1546 if (zoran_formats[i].flags & ZORAN_FORMAT_COMPRESSED)
1547 fmt->flags |= V4L2_FMT_FLAG_COMPRESSED;
1548 return 0;
1549 }
1550 }
1551 return -EINVAL;
1552 }
1553
1554 static int zoran_enum_fmt_vid_cap(struct file *file, void *__fh,
1555 struct v4l2_fmtdesc *f)
1556 {
1557 struct zoran_fh *fh = __fh;
1558 struct zoran *zr = fh->zr;
1559
1560 return zoran_enum_fmt(zr, f, ZORAN_FORMAT_CAPTURE);
1561 }
1562
1563 static int zoran_enum_fmt_vid_out(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_PLAYBACK);
1570 }
1571
1572 static int zoran_enum_fmt_vid_overlay(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_OVERLAY);
1579 }
1580
1581 static int zoran_g_fmt_vid_out(struct file *file, void *__fh,
1582 struct v4l2_format *fmt)
1583 {
1584 struct zoran_fh *fh = __fh;
1585 struct zoran *zr = fh->zr;
1586
1587 mutex_lock(&zr->resource_lock);
1588
1589 fmt->fmt.pix.width = fh->jpg_settings.img_width / fh->jpg_settings.HorDcm;
1590 fmt->fmt.pix.height = fh->jpg_settings.img_height * 2 /
1591 (fh->jpg_settings.VerDcm * fh->jpg_settings.TmpDcm);
1592 fmt->fmt.pix.sizeimage = zoran_v4l2_calc_bufsize(&fh->jpg_settings);
1593 fmt->fmt.pix.pixelformat = V4L2_PIX_FMT_MJPEG;
1594 if (fh->jpg_settings.TmpDcm == 1)
1595 fmt->fmt.pix.field = (fh->jpg_settings.odd_even ?
1596 V4L2_FIELD_SEQ_TB : V4L2_FIELD_SEQ_BT);
1597 else
1598 fmt->fmt.pix.field = (fh->jpg_settings.odd_even ?
1599 V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM);
1600 fmt->fmt.pix.bytesperline = 0;
1601 fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1602
1603 mutex_unlock(&zr->resource_lock);
1604 return 0;
1605 }
1606
1607 static int zoran_g_fmt_vid_cap(struct file *file, void *__fh,
1608 struct v4l2_format *fmt)
1609 {
1610 struct zoran_fh *fh = __fh;
1611 struct zoran *zr = fh->zr;
1612
1613 if (fh->map_mode != ZORAN_MAP_MODE_RAW)
1614 return zoran_g_fmt_vid_out(file, fh, fmt);
1615
1616 mutex_lock(&zr->resource_lock);
1617 fmt->fmt.pix.width = fh->v4l_settings.width;
1618 fmt->fmt.pix.height = fh->v4l_settings.height;
1619 fmt->fmt.pix.sizeimage = fh->v4l_settings.bytesperline *
1620 fh->v4l_settings.height;
1621 fmt->fmt.pix.pixelformat = fh->v4l_settings.format->fourcc;
1622 fmt->fmt.pix.colorspace = fh->v4l_settings.format->colorspace;
1623 fmt->fmt.pix.bytesperline = fh->v4l_settings.bytesperline;
1624 if (BUZ_MAX_HEIGHT < (fh->v4l_settings.height * 2))
1625 fmt->fmt.pix.field = V4L2_FIELD_INTERLACED;
1626 else
1627 fmt->fmt.pix.field = V4L2_FIELD_TOP;
1628 mutex_unlock(&zr->resource_lock);
1629 return 0;
1630 }
1631
1632 static int zoran_g_fmt_vid_overlay(struct file *file, void *__fh,
1633 struct v4l2_format *fmt)
1634 {
1635 struct zoran_fh *fh = __fh;
1636 struct zoran *zr = fh->zr;
1637
1638 mutex_lock(&zr->resource_lock);
1639
1640 fmt->fmt.win.w.left = fh->overlay_settings.x;
1641 fmt->fmt.win.w.top = fh->overlay_settings.y;
1642 fmt->fmt.win.w.width = fh->overlay_settings.width;
1643 fmt->fmt.win.w.height = fh->overlay_settings.height;
1644 if (fh->overlay_settings.width * 2 > BUZ_MAX_HEIGHT)
1645 fmt->fmt.win.field = V4L2_FIELD_INTERLACED;
1646 else
1647 fmt->fmt.win.field = V4L2_FIELD_TOP;
1648
1649 mutex_unlock(&zr->resource_lock);
1650 return 0;
1651 }
1652
1653 static int zoran_try_fmt_vid_overlay(struct file *file, void *__fh,
1654 struct v4l2_format *fmt)
1655 {
1656 struct zoran_fh *fh = __fh;
1657 struct zoran *zr = fh->zr;
1658
1659 mutex_lock(&zr->resource_lock);
1660
1661 if (fmt->fmt.win.w.width > BUZ_MAX_WIDTH)
1662 fmt->fmt.win.w.width = BUZ_MAX_WIDTH;
1663 if (fmt->fmt.win.w.width < BUZ_MIN_WIDTH)
1664 fmt->fmt.win.w.width = BUZ_MIN_WIDTH;
1665 if (fmt->fmt.win.w.height > BUZ_MAX_HEIGHT)
1666 fmt->fmt.win.w.height = BUZ_MAX_HEIGHT;
1667 if (fmt->fmt.win.w.height < BUZ_MIN_HEIGHT)
1668 fmt->fmt.win.w.height = BUZ_MIN_HEIGHT;
1669
1670 mutex_unlock(&zr->resource_lock);
1671 return 0;
1672 }
1673
1674 static int zoran_try_fmt_vid_out(struct file *file, void *__fh,
1675 struct v4l2_format *fmt)
1676 {
1677 struct zoran_fh *fh = __fh;
1678 struct zoran *zr = fh->zr;
1679 struct zoran_jpg_settings settings;
1680 int res = 0;
1681
1682 if (fmt->fmt.pix.pixelformat != V4L2_PIX_FMT_MJPEG)
1683 return -EINVAL;
1684
1685 mutex_lock(&zr->resource_lock);
1686 settings = fh->jpg_settings;
1687
1688 /* we actually need to set 'real' parameters now */
1689 if ((fmt->fmt.pix.height * 2) > BUZ_MAX_HEIGHT)
1690 settings.TmpDcm = 1;
1691 else
1692 settings.TmpDcm = 2;
1693 settings.decimation = 0;
1694 if (fmt->fmt.pix.height <= fh->jpg_settings.img_height / 2)
1695 settings.VerDcm = 2;
1696 else
1697 settings.VerDcm = 1;
1698 if (fmt->fmt.pix.width <= fh->jpg_settings.img_width / 4)
1699 settings.HorDcm = 4;
1700 else if (fmt->fmt.pix.width <= fh->jpg_settings.img_width / 2)
1701 settings.HorDcm = 2;
1702 else
1703 settings.HorDcm = 1;
1704 if (settings.TmpDcm == 1)
1705 settings.field_per_buff = 2;
1706 else
1707 settings.field_per_buff = 1;
1708
1709 if (settings.HorDcm > 1) {
1710 settings.img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0;
1711 settings.img_width = (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH;
1712 } else {
1713 settings.img_x = 0;
1714 settings.img_width = BUZ_MAX_WIDTH;
1715 }
1716
1717 /* check */
1718 res = zoran_check_jpg_settings(zr, &settings, 1);
1719 if (res)
1720 goto tryfmt_unlock_and_return;
1721
1722 /* tell the user what we actually did */
1723 fmt->fmt.pix.width = settings.img_width / settings.HorDcm;
1724 fmt->fmt.pix.height = settings.img_height * 2 /
1725 (settings.TmpDcm * settings.VerDcm);
1726 if (settings.TmpDcm == 1)
1727 fmt->fmt.pix.field = (fh->jpg_settings.odd_even ?
1728 V4L2_FIELD_SEQ_TB : V4L2_FIELD_SEQ_BT);
1729 else
1730 fmt->fmt.pix.field = (fh->jpg_settings.odd_even ?
1731 V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM);
1732
1733 fmt->fmt.pix.sizeimage = zoran_v4l2_calc_bufsize(&settings);
1734 fmt->fmt.pix.bytesperline = 0;
1735 fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1736 tryfmt_unlock_and_return:
1737 mutex_unlock(&zr->resource_lock);
1738 return res;
1739 }
1740
1741 static int zoran_try_fmt_vid_cap(struct file *file, void *__fh,
1742 struct v4l2_format *fmt)
1743 {
1744 struct zoran_fh *fh = __fh;
1745 struct zoran *zr = fh->zr;
1746 int bpp;
1747 int i;
1748
1749 if (fmt->fmt.pix.pixelformat == V4L2_PIX_FMT_MJPEG)
1750 return zoran_try_fmt_vid_out(file, fh, fmt);
1751
1752 mutex_lock(&zr->resource_lock);
1753
1754 for (i = 0; i < NUM_FORMATS; i++)
1755 if (zoran_formats[i].fourcc == fmt->fmt.pix.pixelformat)
1756 break;
1757
1758 if (i == NUM_FORMATS) {
1759 mutex_unlock(&zr->resource_lock);
1760 return -EINVAL;
1761 }
1762
1763 bpp = DIV_ROUND_UP(zoran_formats[i].depth, 8);
1764 v4l_bound_align_image(
1765 &fmt->fmt.pix.width, BUZ_MIN_WIDTH, BUZ_MAX_WIDTH, bpp == 2 ? 1 : 2,
1766 &fmt->fmt.pix.height, BUZ_MIN_HEIGHT, BUZ_MAX_HEIGHT, 0, 0);
1767 mutex_unlock(&zr->resource_lock);
1768
1769 return 0;
1770 }
1771
1772 static int zoran_s_fmt_vid_overlay(struct file *file, void *__fh,
1773 struct v4l2_format *fmt)
1774 {
1775 struct zoran_fh *fh = __fh;
1776 struct zoran *zr = fh->zr;
1777 int res;
1778
1779 dprintk(3, "x=%d, y=%d, w=%d, h=%d, cnt=%d, map=0x%p\n",
1780 fmt->fmt.win.w.left, fmt->fmt.win.w.top,
1781 fmt->fmt.win.w.width,
1782 fmt->fmt.win.w.height,
1783 fmt->fmt.win.clipcount,
1784 fmt->fmt.win.bitmap);
1785 mutex_lock(&zr->resource_lock);
1786 res = setup_window(fh, fmt->fmt.win.w.left, fmt->fmt.win.w.top,
1787 fmt->fmt.win.w.width, fmt->fmt.win.w.height,
1788 (struct v4l2_clip __user *)fmt->fmt.win.clips,
1789 fmt->fmt.win.clipcount, fmt->fmt.win.bitmap);
1790 mutex_unlock(&zr->resource_lock);
1791 return res;
1792 }
1793
1794 static int zoran_s_fmt_vid_out(struct file *file, void *__fh,
1795 struct v4l2_format *fmt)
1796 {
1797 struct zoran_fh *fh = __fh;
1798 struct zoran *zr = fh->zr;
1799 __le32 printformat = __cpu_to_le32(fmt->fmt.pix.pixelformat);
1800 struct zoran_jpg_settings settings;
1801 int res = 0;
1802
1803 dprintk(3, "size=%dx%d, fmt=0x%x (%4.4s)\n",
1804 fmt->fmt.pix.width, fmt->fmt.pix.height,
1805 fmt->fmt.pix.pixelformat,
1806 (char *) &printformat);
1807 if (fmt->fmt.pix.pixelformat != V4L2_PIX_FMT_MJPEG)
1808 return -EINVAL;
1809
1810 mutex_lock(&zr->resource_lock);
1811
1812 if (fh->buffers.allocated) {
1813 dprintk(1, KERN_ERR "%s: VIDIOC_S_FMT - cannot change capture mode\n",
1814 ZR_DEVNAME(zr));
1815 res = -EBUSY;
1816 goto sfmtjpg_unlock_and_return;
1817 }
1818
1819 settings = fh->jpg_settings;
1820
1821 /* we actually need to set 'real' parameters now */
1822 if (fmt->fmt.pix.height * 2 > BUZ_MAX_HEIGHT)
1823 settings.TmpDcm = 1;
1824 else
1825 settings.TmpDcm = 2;
1826 settings.decimation = 0;
1827 if (fmt->fmt.pix.height <= fh->jpg_settings.img_height / 2)
1828 settings.VerDcm = 2;
1829 else
1830 settings.VerDcm = 1;
1831 if (fmt->fmt.pix.width <= fh->jpg_settings.img_width / 4)
1832 settings.HorDcm = 4;
1833 else if (fmt->fmt.pix.width <= fh->jpg_settings.img_width / 2)
1834 settings.HorDcm = 2;
1835 else
1836 settings.HorDcm = 1;
1837 if (settings.TmpDcm == 1)
1838 settings.field_per_buff = 2;
1839 else
1840 settings.field_per_buff = 1;
1841
1842 if (settings.HorDcm > 1) {
1843 settings.img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0;
1844 settings.img_width = (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH;
1845 } else {
1846 settings.img_x = 0;
1847 settings.img_width = BUZ_MAX_WIDTH;
1848 }
1849
1850 /* check */
1851 res = zoran_check_jpg_settings(zr, &settings, 0);
1852 if (res)
1853 goto sfmtjpg_unlock_and_return;
1854
1855 /* it's ok, so set them */
1856 fh->jpg_settings = settings;
1857
1858 map_mode_jpg(fh, fmt->type == V4L2_BUF_TYPE_VIDEO_OUTPUT);
1859 fh->buffers.buffer_size = zoran_v4l2_calc_bufsize(&fh->jpg_settings);
1860
1861 /* tell the user what we actually did */
1862 fmt->fmt.pix.width = settings.img_width / settings.HorDcm;
1863 fmt->fmt.pix.height = settings.img_height * 2 /
1864 (settings.TmpDcm * settings.VerDcm);
1865 if (settings.TmpDcm == 1)
1866 fmt->fmt.pix.field = (fh->jpg_settings.odd_even ?
1867 V4L2_FIELD_SEQ_TB : V4L2_FIELD_SEQ_BT);
1868 else
1869 fmt->fmt.pix.field = (fh->jpg_settings.odd_even ?
1870 V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM);
1871 fmt->fmt.pix.bytesperline = 0;
1872 fmt->fmt.pix.sizeimage = fh->buffers.buffer_size;
1873 fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1874
1875 sfmtjpg_unlock_and_return:
1876 mutex_unlock(&zr->resource_lock);
1877 return res;
1878 }
1879
1880 static int zoran_s_fmt_vid_cap(struct file *file, void *__fh,
1881 struct v4l2_format *fmt)
1882 {
1883 struct zoran_fh *fh = __fh;
1884 struct zoran *zr = fh->zr;
1885 int i;
1886 int res = 0;
1887
1888 if (fmt->fmt.pix.pixelformat == V4L2_PIX_FMT_MJPEG)
1889 return zoran_s_fmt_vid_out(file, fh, fmt);
1890
1891 for (i = 0; i < NUM_FORMATS; i++)
1892 if (fmt->fmt.pix.pixelformat == zoran_formats[i].fourcc)
1893 break;
1894 if (i == NUM_FORMATS) {
1895 dprintk(1, KERN_ERR "%s: VIDIOC_S_FMT - unknown/unsupported format 0x%x\n",
1896 ZR_DEVNAME(zr), fmt->fmt.pix.pixelformat);
1897 return -EINVAL;
1898 }
1899
1900 mutex_lock(&zr->resource_lock);
1901
1902 if ((fh->map_mode != ZORAN_MAP_MODE_RAW && fh->buffers.allocated) ||
1903 fh->buffers.active != ZORAN_FREE) {
1904 dprintk(1, KERN_ERR "%s: VIDIOC_S_FMT - cannot change capture mode\n",
1905 ZR_DEVNAME(zr));
1906 res = -EBUSY;
1907 goto sfmtv4l_unlock_and_return;
1908 }
1909 if (fmt->fmt.pix.height > BUZ_MAX_HEIGHT)
1910 fmt->fmt.pix.height = BUZ_MAX_HEIGHT;
1911 if (fmt->fmt.pix.width > BUZ_MAX_WIDTH)
1912 fmt->fmt.pix.width = BUZ_MAX_WIDTH;
1913
1914 map_mode_raw(fh);
1915
1916 res = zoran_v4l_set_format(fh, fmt->fmt.pix.width, fmt->fmt.pix.height,
1917 &zoran_formats[i]);
1918 if (res)
1919 goto sfmtv4l_unlock_and_return;
1920
1921 /* tell the user the results/missing stuff */
1922 fmt->fmt.pix.bytesperline = fh->v4l_settings.bytesperline;
1923 fmt->fmt.pix.sizeimage = fh->v4l_settings.height * fh->v4l_settings.bytesperline;
1924 fmt->fmt.pix.colorspace = fh->v4l_settings.format->colorspace;
1925 if (BUZ_MAX_HEIGHT < (fh->v4l_settings.height * 2))
1926 fmt->fmt.pix.field = V4L2_FIELD_INTERLACED;
1927 else
1928 fmt->fmt.pix.field = V4L2_FIELD_TOP;
1929
1930 sfmtv4l_unlock_and_return:
1931 mutex_unlock(&zr->resource_lock);
1932 return res;
1933 }
1934
1935 static int zoran_g_fbuf(struct file *file, void *__fh,
1936 struct v4l2_framebuffer *fb)
1937 {
1938 struct zoran_fh *fh = __fh;
1939 struct zoran *zr = fh->zr;
1940
1941 memset(fb, 0, sizeof(*fb));
1942 mutex_lock(&zr->resource_lock);
1943 fb->base = zr->vbuf_base;
1944 fb->fmt.width = zr->vbuf_width;
1945 fb->fmt.height = zr->vbuf_height;
1946 if (zr->overlay_settings.format)
1947 fb->fmt.pixelformat = fh->overlay_settings.format->fourcc;
1948 fb->fmt.bytesperline = zr->vbuf_bytesperline;
1949 mutex_unlock(&zr->resource_lock);
1950 fb->fmt.colorspace = V4L2_COLORSPACE_SRGB;
1951 fb->fmt.field = V4L2_FIELD_INTERLACED;
1952 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
1953
1954 return 0;
1955 }
1956
1957 static int zoran_s_fbuf(struct file *file, void *__fh,
1958 const struct v4l2_framebuffer *fb)
1959 {
1960 struct zoran_fh *fh = __fh;
1961 struct zoran *zr = fh->zr;
1962 int i, res = 0;
1963 __le32 printformat = __cpu_to_le32(fb->fmt.pixelformat);
1964
1965 for (i = 0; i < NUM_FORMATS; i++)
1966 if (zoran_formats[i].fourcc == fb->fmt.pixelformat)
1967 break;
1968 if (i == NUM_FORMATS) {
1969 dprintk(1, KERN_ERR "%s: VIDIOC_S_FBUF - format=0x%x (%4.4s) not allowed\n",
1970 ZR_DEVNAME(zr), fb->fmt.pixelformat,
1971 (char *)&printformat);
1972 return -EINVAL;
1973 }
1974
1975 mutex_lock(&zr->resource_lock);
1976 res = setup_fbuffer(fh, fb->base, &zoran_formats[i], fb->fmt.width,
1977 fb->fmt.height, fb->fmt.bytesperline);
1978 mutex_unlock(&zr->resource_lock);
1979
1980 return res;
1981 }
1982
1983 static int zoran_overlay(struct file *file, void *__fh, unsigned int on)
1984 {
1985 struct zoran_fh *fh = __fh;
1986 struct zoran *zr = fh->zr;
1987 int res;
1988
1989 mutex_lock(&zr->resource_lock);
1990 res = setup_overlay(fh, on);
1991 mutex_unlock(&zr->resource_lock);
1992
1993 return res;
1994 }
1995
1996 static int zoran_streamoff(struct file *file, void *__fh, enum v4l2_buf_type type);
1997
1998 static int zoran_reqbufs(struct file *file, void *__fh, struct v4l2_requestbuffers *req)
1999 {
2000 struct zoran_fh *fh = __fh;
2001 struct zoran *zr = fh->zr;
2002 int res = 0;
2003
2004 if (req->memory != V4L2_MEMORY_MMAP) {
2005 dprintk(2,
2006 KERN_ERR
2007 "%s: only MEMORY_MMAP capture is supported, not %d\n",
2008 ZR_DEVNAME(zr), req->memory);
2009 return -EINVAL;
2010 }
2011
2012 if (req->count == 0)
2013 return zoran_streamoff(file, fh, req->type);
2014
2015 mutex_lock(&zr->resource_lock);
2016 if (fh->buffers.allocated) {
2017 dprintk(2,
2018 KERN_ERR
2019 "%s: VIDIOC_REQBUFS - buffers already allocated\n",
2020 ZR_DEVNAME(zr));
2021 res = -EBUSY;
2022 goto v4l2reqbuf_unlock_and_return;
2023 }
2024
2025 if (fh->map_mode == ZORAN_MAP_MODE_RAW &&
2026 req->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
2027 /* control user input */
2028 if (req->count < 2)
2029 req->count = 2;
2030 if (req->count > v4l_nbufs)
2031 req->count = v4l_nbufs;
2032
2033 /* The next mmap will map the V4L buffers */
2034 map_mode_raw(fh);
2035 fh->buffers.num_buffers = req->count;
2036
2037 if (v4l_fbuffer_alloc(fh)) {
2038 res = -ENOMEM;
2039 goto v4l2reqbuf_unlock_and_return;
2040 }
2041 } else if (fh->map_mode == ZORAN_MAP_MODE_JPG_REC ||
2042 fh->map_mode == ZORAN_MAP_MODE_JPG_PLAY) {
2043 /* we need to calculate size ourselves now */
2044 if (req->count < 4)
2045 req->count = 4;
2046 if (req->count > jpg_nbufs)
2047 req->count = jpg_nbufs;
2048
2049 /* The next mmap will map the MJPEG buffers */
2050 map_mode_jpg(fh, req->type == V4L2_BUF_TYPE_VIDEO_OUTPUT);
2051 fh->buffers.num_buffers = req->count;
2052 fh->buffers.buffer_size = zoran_v4l2_calc_bufsize(&fh->jpg_settings);
2053
2054 if (jpg_fbuffer_alloc(fh)) {
2055 res = -ENOMEM;
2056 goto v4l2reqbuf_unlock_and_return;
2057 }
2058 } else {
2059 dprintk(1,
2060 KERN_ERR
2061 "%s: VIDIOC_REQBUFS - unknown type %d\n",
2062 ZR_DEVNAME(zr), req->type);
2063 res = -EINVAL;
2064 goto v4l2reqbuf_unlock_and_return;
2065 }
2066 v4l2reqbuf_unlock_and_return:
2067 mutex_unlock(&zr->resource_lock);
2068
2069 return res;
2070 }
2071
2072 static int zoran_querybuf(struct file *file, void *__fh, struct v4l2_buffer *buf)
2073 {
2074 struct zoran_fh *fh = __fh;
2075 struct zoran *zr = fh->zr;
2076 int res;
2077
2078 mutex_lock(&zr->resource_lock);
2079 res = zoran_v4l2_buffer_status(fh, buf, buf->index);
2080 mutex_unlock(&zr->resource_lock);
2081
2082 return res;
2083 }
2084
2085 static int zoran_qbuf(struct file *file, void *__fh, struct v4l2_buffer *buf)
2086 {
2087 struct zoran_fh *fh = __fh;
2088 struct zoran *zr = fh->zr;
2089 int res = 0, codec_mode, buf_type;
2090
2091 mutex_lock(&zr->resource_lock);
2092
2093 switch (fh->map_mode) {
2094 case ZORAN_MAP_MODE_RAW:
2095 if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
2096 dprintk(1, KERN_ERR
2097 "%s: VIDIOC_QBUF - invalid buf->type=%d for map_mode=%d\n",
2098 ZR_DEVNAME(zr), buf->type, fh->map_mode);
2099 res = -EINVAL;
2100 goto qbuf_unlock_and_return;
2101 }
2102
2103 res = zoran_v4l_queue_frame(fh, buf->index);
2104 if (res)
2105 goto qbuf_unlock_and_return;
2106 if (!zr->v4l_memgrab_active && fh->buffers.active == ZORAN_LOCKED)
2107 zr36057_set_memgrab(zr, 1);
2108 break;
2109
2110 case ZORAN_MAP_MODE_JPG_REC:
2111 case ZORAN_MAP_MODE_JPG_PLAY:
2112 if (fh->map_mode == ZORAN_MAP_MODE_JPG_PLAY) {
2113 buf_type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
2114 codec_mode = BUZ_MODE_MOTION_DECOMPRESS;
2115 } else {
2116 buf_type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
2117 codec_mode = BUZ_MODE_MOTION_COMPRESS;
2118 }
2119
2120 if (buf->type != buf_type) {
2121 dprintk(1, KERN_ERR
2122 "%s: VIDIOC_QBUF - invalid buf->type=%d for map_mode=%d\n",
2123 ZR_DEVNAME(zr), buf->type, fh->map_mode);
2124 res = -EINVAL;
2125 goto qbuf_unlock_and_return;
2126 }
2127
2128 res = zoran_jpg_queue_frame(fh, buf->index, codec_mode);
2129 if (res != 0)
2130 goto qbuf_unlock_and_return;
2131 if (zr->codec_mode == BUZ_MODE_IDLE &&
2132 fh->buffers.active == ZORAN_LOCKED)
2133 zr36057_enable_jpg(zr, codec_mode);
2134
2135 break;
2136
2137 default:
2138 dprintk(1, KERN_ERR
2139 "%s: VIDIOC_QBUF - unsupported type %d\n",
2140 ZR_DEVNAME(zr), buf->type);
2141 res = -EINVAL;
2142 break;
2143 }
2144 qbuf_unlock_and_return:
2145 mutex_unlock(&zr->resource_lock);
2146
2147 return res;
2148 }
2149
2150 static int zoran_dqbuf(struct file *file, void *__fh, struct v4l2_buffer *buf)
2151 {
2152 struct zoran_fh *fh = __fh;
2153 struct zoran *zr = fh->zr;
2154 int res = 0, buf_type, num = -1; /* compiler borks here (?) */
2155
2156 mutex_lock(&zr->resource_lock);
2157
2158 switch (fh->map_mode) {
2159 case ZORAN_MAP_MODE_RAW:
2160 if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
2161 dprintk(1, KERN_ERR
2162 "%s: VIDIOC_QBUF - invalid buf->type=%d for map_mode=%d\n",
2163 ZR_DEVNAME(zr), buf->type, fh->map_mode);
2164 res = -EINVAL;
2165 goto dqbuf_unlock_and_return;
2166 }
2167
2168 num = zr->v4l_pend[zr->v4l_sync_tail & V4L_MASK_FRAME];
2169 if (file->f_flags & O_NONBLOCK &&
2170 zr->v4l_buffers.buffer[num].state != BUZ_STATE_DONE) {
2171 res = -EAGAIN;
2172 goto dqbuf_unlock_and_return;
2173 }
2174 res = v4l_sync(fh, num);
2175 if (res)
2176 goto dqbuf_unlock_and_return;
2177 zr->v4l_sync_tail++;
2178 res = zoran_v4l2_buffer_status(fh, buf, num);
2179 break;
2180
2181 case ZORAN_MAP_MODE_JPG_REC:
2182 case ZORAN_MAP_MODE_JPG_PLAY:
2183 {
2184 struct zoran_sync bs;
2185
2186 if (fh->map_mode == ZORAN_MAP_MODE_JPG_PLAY)
2187 buf_type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
2188 else
2189 buf_type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
2190
2191 if (buf->type != buf_type) {
2192 dprintk(1, KERN_ERR
2193 "%s: VIDIOC_QBUF - invalid buf->type=%d for map_mode=%d\n",
2194 ZR_DEVNAME(zr), buf->type, fh->map_mode);
2195 res = -EINVAL;
2196 goto dqbuf_unlock_and_return;
2197 }
2198
2199 num = zr->jpg_pend[zr->jpg_que_tail & BUZ_MASK_FRAME];
2200
2201 if (file->f_flags & O_NONBLOCK &&
2202 zr->jpg_buffers.buffer[num].state != BUZ_STATE_DONE) {
2203 res = -EAGAIN;
2204 goto dqbuf_unlock_and_return;
2205 }
2206 bs.frame = 0; /* suppress compiler warning */
2207 res = jpg_sync(fh, &bs);
2208 if (res)
2209 goto dqbuf_unlock_and_return;
2210 res = zoran_v4l2_buffer_status(fh, buf, bs.frame);
2211 break;
2212 }
2213
2214 default:
2215 dprintk(1, KERN_ERR
2216 "%s: VIDIOC_DQBUF - unsupported type %d\n",
2217 ZR_DEVNAME(zr), buf->type);
2218 res = -EINVAL;
2219 break;
2220 }
2221 dqbuf_unlock_and_return:
2222 mutex_unlock(&zr->resource_lock);
2223
2224 return res;
2225 }
2226
2227 static int zoran_streamon(struct file *file, void *__fh, enum v4l2_buf_type type)
2228 {
2229 struct zoran_fh *fh = __fh;
2230 struct zoran *zr = fh->zr;
2231 int res = 0;
2232
2233 mutex_lock(&zr->resource_lock);
2234
2235 switch (fh->map_mode) {
2236 case ZORAN_MAP_MODE_RAW: /* raw capture */
2237 if (zr->v4l_buffers.active != ZORAN_ACTIVE ||
2238 fh->buffers.active != ZORAN_ACTIVE) {
2239 res = -EBUSY;
2240 goto strmon_unlock_and_return;
2241 }
2242
2243 zr->v4l_buffers.active = fh->buffers.active = ZORAN_LOCKED;
2244 zr->v4l_settings = fh->v4l_settings;
2245
2246 zr->v4l_sync_tail = zr->v4l_pend_tail;
2247 if (!zr->v4l_memgrab_active &&
2248 zr->v4l_pend_head != zr->v4l_pend_tail) {
2249 zr36057_set_memgrab(zr, 1);
2250 }
2251 break;
2252
2253 case ZORAN_MAP_MODE_JPG_REC:
2254 case ZORAN_MAP_MODE_JPG_PLAY:
2255 /* what is the codec mode right now? */
2256 if (zr->jpg_buffers.active != ZORAN_ACTIVE ||
2257 fh->buffers.active != ZORAN_ACTIVE) {
2258 res = -EBUSY;
2259 goto strmon_unlock_and_return;
2260 }
2261
2262 zr->jpg_buffers.active = fh->buffers.active = ZORAN_LOCKED;
2263
2264 if (zr->jpg_que_head != zr->jpg_que_tail) {
2265 /* Start the jpeg codec when the first frame is queued */
2266 jpeg_start(zr);
2267 }
2268 break;
2269
2270 default:
2271 dprintk(1,
2272 KERN_ERR
2273 "%s: VIDIOC_STREAMON - invalid map mode %d\n",
2274 ZR_DEVNAME(zr), fh->map_mode);
2275 res = -EINVAL;
2276 break;
2277 }
2278 strmon_unlock_and_return:
2279 mutex_unlock(&zr->resource_lock);
2280
2281 return res;
2282 }
2283
2284 static int zoran_streamoff(struct file *file, void *__fh, enum v4l2_buf_type type)
2285 {
2286 struct zoran_fh *fh = __fh;
2287 struct zoran *zr = fh->zr;
2288 int i, res = 0;
2289 unsigned long flags;
2290
2291 mutex_lock(&zr->resource_lock);
2292
2293 switch (fh->map_mode) {
2294 case ZORAN_MAP_MODE_RAW: /* raw capture */
2295 if (fh->buffers.active == ZORAN_FREE &&
2296 zr->v4l_buffers.active != ZORAN_FREE) {
2297 res = -EPERM; /* stay off other's settings! */
2298 goto strmoff_unlock_and_return;
2299 }
2300 if (zr->v4l_buffers.active == ZORAN_FREE)
2301 goto strmoff_unlock_and_return;
2302
2303 spin_lock_irqsave(&zr->spinlock, flags);
2304 /* unload capture */
2305 if (zr->v4l_memgrab_active) {
2306
2307 zr36057_set_memgrab(zr, 0);
2308 }
2309
2310 for (i = 0; i < fh->buffers.num_buffers; i++)
2311 zr->v4l_buffers.buffer[i].state = BUZ_STATE_USER;
2312 fh->buffers = zr->v4l_buffers;
2313
2314 zr->v4l_buffers.active = fh->buffers.active = ZORAN_FREE;
2315
2316 zr->v4l_grab_seq = 0;
2317 zr->v4l_pend_head = zr->v4l_pend_tail = 0;
2318 zr->v4l_sync_tail = 0;
2319
2320 spin_unlock_irqrestore(&zr->spinlock, flags);
2321
2322 break;
2323
2324 case ZORAN_MAP_MODE_JPG_REC:
2325 case ZORAN_MAP_MODE_JPG_PLAY:
2326 if (fh->buffers.active == ZORAN_FREE &&
2327 zr->jpg_buffers.active != ZORAN_FREE) {
2328 res = -EPERM; /* stay off other's settings! */
2329 goto strmoff_unlock_and_return;
2330 }
2331 if (zr->jpg_buffers.active == ZORAN_FREE)
2332 goto strmoff_unlock_and_return;
2333
2334 res = jpg_qbuf(fh, -1,
2335 (fh->map_mode == ZORAN_MAP_MODE_JPG_REC) ?
2336 BUZ_MODE_MOTION_COMPRESS :
2337 BUZ_MODE_MOTION_DECOMPRESS);
2338 if (res)
2339 goto strmoff_unlock_and_return;
2340 break;
2341 default:
2342 dprintk(1, KERN_ERR
2343 "%s: VIDIOC_STREAMOFF - invalid map mode %d\n",
2344 ZR_DEVNAME(zr), fh->map_mode);
2345 res = -EINVAL;
2346 break;
2347 }
2348 strmoff_unlock_and_return:
2349 mutex_unlock(&zr->resource_lock);
2350
2351 return res;
2352 }
2353
2354 static int zoran_queryctrl(struct file *file, void *__fh,
2355 struct v4l2_queryctrl *ctrl)
2356 {
2357 struct zoran_fh *fh = __fh;
2358 struct zoran *zr = fh->zr;
2359
2360 /* we only support hue/saturation/contrast/brightness */
2361 if (ctrl->id < V4L2_CID_BRIGHTNESS ||
2362 ctrl->id > V4L2_CID_HUE)
2363 return -EINVAL;
2364
2365 decoder_call(zr, core, queryctrl, ctrl);
2366
2367 return 0;
2368 }
2369
2370 static int zoran_g_ctrl(struct file *file, void *__fh, struct v4l2_control *ctrl)
2371 {
2372 struct zoran_fh *fh = __fh;
2373 struct zoran *zr = fh->zr;
2374
2375 /* we only support hue/saturation/contrast/brightness */
2376 if (ctrl->id < V4L2_CID_BRIGHTNESS ||
2377 ctrl->id > V4L2_CID_HUE)
2378 return -EINVAL;
2379
2380 mutex_lock(&zr->resource_lock);
2381 decoder_call(zr, core, g_ctrl, ctrl);
2382 mutex_unlock(&zr->resource_lock);
2383
2384 return 0;
2385 }
2386
2387 static int zoran_s_ctrl(struct file *file, void *__fh, struct v4l2_control *ctrl)
2388 {
2389 struct zoran_fh *fh = __fh;
2390 struct zoran *zr = fh->zr;
2391
2392 /* we only support hue/saturation/contrast/brightness */
2393 if (ctrl->id < V4L2_CID_BRIGHTNESS ||
2394 ctrl->id > V4L2_CID_HUE)
2395 return -EINVAL;
2396
2397 mutex_lock(&zr->resource_lock);
2398 decoder_call(zr, core, s_ctrl, ctrl);
2399 mutex_unlock(&zr->resource_lock);
2400
2401 return 0;
2402 }
2403
2404 static int zoran_g_std(struct file *file, void *__fh, v4l2_std_id *std)
2405 {
2406 struct zoran_fh *fh = __fh;
2407 struct zoran *zr = fh->zr;
2408
2409 mutex_lock(&zr->resource_lock);
2410 *std = zr->norm;
2411 mutex_unlock(&zr->resource_lock);
2412 return 0;
2413 }
2414
2415 static int zoran_s_std(struct file *file, void *__fh, v4l2_std_id std)
2416 {
2417 struct zoran_fh *fh = __fh;
2418 struct zoran *zr = fh->zr;
2419 int res = 0;
2420
2421 mutex_lock(&zr->resource_lock);
2422 res = zoran_set_norm(zr, std);
2423 if (res)
2424 goto sstd_unlock_and_return;
2425
2426 res = wait_grab_pending(zr);
2427 sstd_unlock_and_return:
2428 mutex_unlock(&zr->resource_lock);
2429 return res;
2430 }
2431
2432 static int zoran_enum_input(struct file *file, void *__fh,
2433 struct v4l2_input *inp)
2434 {
2435 struct zoran_fh *fh = __fh;
2436 struct zoran *zr = fh->zr;
2437
2438 if (inp->index >= zr->card.inputs)
2439 return -EINVAL;
2440
2441 strncpy(inp->name, zr->card.input[inp->index].name,
2442 sizeof(inp->name) - 1);
2443 inp->type = V4L2_INPUT_TYPE_CAMERA;
2444 inp->std = V4L2_STD_ALL;
2445
2446 /* Get status of video decoder */
2447 mutex_lock(&zr->resource_lock);
2448 decoder_call(zr, video, g_input_status, &inp->status);
2449 mutex_unlock(&zr->resource_lock);
2450 return 0;
2451 }
2452
2453 static int zoran_g_input(struct file *file, void *__fh, unsigned int *input)
2454 {
2455 struct zoran_fh *fh = __fh;
2456 struct zoran *zr = fh->zr;
2457
2458 mutex_lock(&zr->resource_lock);
2459 *input = zr->input;
2460 mutex_unlock(&zr->resource_lock);
2461
2462 return 0;
2463 }
2464
2465 static int zoran_s_input(struct file *file, void *__fh, unsigned int input)
2466 {
2467 struct zoran_fh *fh = __fh;
2468 struct zoran *zr = fh->zr;
2469 int res;
2470
2471 mutex_lock(&zr->resource_lock);
2472 res = zoran_set_input(zr, input);
2473 if (res)
2474 goto sinput_unlock_and_return;
2475
2476 /* Make sure the changes come into effect */
2477 res = wait_grab_pending(zr);
2478 sinput_unlock_and_return:
2479 mutex_unlock(&zr->resource_lock);
2480 return res;
2481 }
2482
2483 static int zoran_enum_output(struct file *file, void *__fh,
2484 struct v4l2_output *outp)
2485 {
2486 if (outp->index != 0)
2487 return -EINVAL;
2488
2489 outp->index = 0;
2490 outp->type = V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY;
2491 strncpy(outp->name, "Autodetect", sizeof(outp->name)-1);
2492
2493 return 0;
2494 }
2495
2496 static int zoran_g_output(struct file *file, void *__fh, unsigned int *output)
2497 {
2498 *output = 0;
2499
2500 return 0;
2501 }
2502
2503 static int zoran_s_output(struct file *file, void *__fh, unsigned int output)
2504 {
2505 if (output != 0)
2506 return -EINVAL;
2507
2508 return 0;
2509 }
2510
2511 /* cropping (sub-frame capture) */
2512 static int zoran_cropcap(struct file *file, void *__fh,
2513 struct v4l2_cropcap *cropcap)
2514 {
2515 struct zoran_fh *fh = __fh;
2516 struct zoran *zr = fh->zr;
2517 int type = cropcap->type, res = 0;
2518
2519 memset(cropcap, 0, sizeof(*cropcap));
2520 cropcap->type = type;
2521
2522 mutex_lock(&zr->resource_lock);
2523
2524 if (cropcap->type != V4L2_BUF_TYPE_VIDEO_OUTPUT &&
2525 (cropcap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE ||
2526 fh->map_mode == ZORAN_MAP_MODE_RAW)) {
2527 dprintk(1, KERN_ERR
2528 "%s: VIDIOC_CROPCAP - subcapture only supported for compressed capture\n",
2529 ZR_DEVNAME(zr));
2530 res = -EINVAL;
2531 goto cropcap_unlock_and_return;
2532 }
2533
2534 cropcap->bounds.top = cropcap->bounds.left = 0;
2535 cropcap->bounds.width = BUZ_MAX_WIDTH;
2536 cropcap->bounds.height = BUZ_MAX_HEIGHT;
2537 cropcap->defrect.top = cropcap->defrect.left = 0;
2538 cropcap->defrect.width = BUZ_MIN_WIDTH;
2539 cropcap->defrect.height = BUZ_MIN_HEIGHT;
2540 cropcap_unlock_and_return:
2541 mutex_unlock(&zr->resource_lock);
2542 return res;
2543 }
2544
2545 static int zoran_g_crop(struct file *file, void *__fh, struct v4l2_crop *crop)
2546 {
2547 struct zoran_fh *fh = __fh;
2548 struct zoran *zr = fh->zr;
2549 int type = crop->type, res = 0;
2550
2551 memset(crop, 0, sizeof(*crop));
2552 crop->type = type;
2553
2554 mutex_lock(&zr->resource_lock);
2555
2556 if (crop->type != V4L2_BUF_TYPE_VIDEO_OUTPUT &&
2557 (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE ||
2558 fh->map_mode == ZORAN_MAP_MODE_RAW)) {
2559 dprintk(1,
2560 KERN_ERR
2561 "%s: VIDIOC_G_CROP - subcapture only supported for compressed capture\n",
2562 ZR_DEVNAME(zr));
2563 res = -EINVAL;
2564 goto gcrop_unlock_and_return;
2565 }
2566
2567 crop->c.top = fh->jpg_settings.img_y;
2568 crop->c.left = fh->jpg_settings.img_x;
2569 crop->c.width = fh->jpg_settings.img_width;
2570 crop->c.height = fh->jpg_settings.img_height;
2571
2572 gcrop_unlock_and_return:
2573 mutex_unlock(&zr->resource_lock);
2574
2575 return res;
2576 }
2577
2578 static int zoran_s_crop(struct file *file, void *__fh, const struct v4l2_crop *crop)
2579 {
2580 struct zoran_fh *fh = __fh;
2581 struct zoran *zr = fh->zr;
2582 int res = 0;
2583 struct zoran_jpg_settings settings;
2584
2585 settings = fh->jpg_settings;
2586
2587 mutex_lock(&zr->resource_lock);
2588
2589 if (fh->buffers.allocated) {
2590 dprintk(1, KERN_ERR
2591 "%s: VIDIOC_S_CROP - cannot change settings while active\n",
2592 ZR_DEVNAME(zr));
2593 res = -EBUSY;
2594 goto scrop_unlock_and_return;
2595 }
2596
2597 if (crop->type != V4L2_BUF_TYPE_VIDEO_OUTPUT &&
2598 (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE ||
2599 fh->map_mode == ZORAN_MAP_MODE_RAW)) {
2600 dprintk(1, KERN_ERR
2601 "%s: VIDIOC_G_CROP - subcapture only supported for compressed capture\n",
2602 ZR_DEVNAME(zr));
2603 res = -EINVAL;
2604 goto scrop_unlock_and_return;
2605 }
2606
2607 /* move into a form that we understand */
2608 settings.img_x = crop->c.left;
2609 settings.img_y = crop->c.top;
2610 settings.img_width = crop->c.width;
2611 settings.img_height = crop->c.height;
2612
2613 /* check validity */
2614 res = zoran_check_jpg_settings(zr, &settings, 0);
2615 if (res)
2616 goto scrop_unlock_and_return;
2617
2618 /* accept */
2619 fh->jpg_settings = settings;
2620
2621 scrop_unlock_and_return:
2622 mutex_unlock(&zr->resource_lock);
2623 return res;
2624 }
2625
2626 static int zoran_g_jpegcomp(struct file *file, void *__fh,
2627 struct v4l2_jpegcompression *params)
2628 {
2629 struct zoran_fh *fh = __fh;
2630 struct zoran *zr = fh->zr;
2631 memset(params, 0, sizeof(*params));
2632
2633 mutex_lock(&zr->resource_lock);
2634
2635 params->quality = fh->jpg_settings.jpg_comp.quality;
2636 params->APPn = fh->jpg_settings.jpg_comp.APPn;
2637 memcpy(params->APP_data,
2638 fh->jpg_settings.jpg_comp.APP_data,
2639 fh->jpg_settings.jpg_comp.APP_len);
2640 params->APP_len = fh->jpg_settings.jpg_comp.APP_len;
2641 memcpy(params->COM_data,
2642 fh->jpg_settings.jpg_comp.COM_data,
2643 fh->jpg_settings.jpg_comp.COM_len);
2644 params->COM_len = fh->jpg_settings.jpg_comp.COM_len;
2645 params->jpeg_markers =
2646 fh->jpg_settings.jpg_comp.jpeg_markers;
2647
2648 mutex_unlock(&zr->resource_lock);
2649
2650 return 0;
2651 }
2652
2653 static int zoran_s_jpegcomp(struct file *file, void *__fh,
2654 const struct v4l2_jpegcompression *params)
2655 {
2656 struct zoran_fh *fh = __fh;
2657 struct zoran *zr = fh->zr;
2658 int res = 0;
2659 struct zoran_jpg_settings settings;
2660
2661 settings = fh->jpg_settings;
2662
2663 settings.jpg_comp = *params;
2664
2665 mutex_lock(&zr->resource_lock);
2666
2667 if (fh->buffers.active != ZORAN_FREE) {
2668 dprintk(1, KERN_WARNING
2669 "%s: VIDIOC_S_JPEGCOMP called while in playback/capture mode\n",
2670 ZR_DEVNAME(zr));
2671 res = -EBUSY;
2672 goto sjpegc_unlock_and_return;
2673 }
2674
2675 res = zoran_check_jpg_settings(zr, &settings, 0);
2676 if (res)
2677 goto sjpegc_unlock_and_return;
2678 if (!fh->buffers.allocated)
2679 fh->buffers.buffer_size =
2680 zoran_v4l2_calc_bufsize(&fh->jpg_settings);
2681 fh->jpg_settings.jpg_comp = settings.jpg_comp;
2682 sjpegc_unlock_and_return:
2683 mutex_unlock(&zr->resource_lock);
2684
2685 return res;
2686 }
2687
2688 static unsigned int
2689 zoran_poll (struct file *file,
2690 poll_table *wait)
2691 {
2692 struct zoran_fh *fh = file->private_data;
2693 struct zoran *zr = fh->zr;
2694 int res = 0, frame;
2695 unsigned long flags;
2696
2697 /* we should check whether buffers are ready to be synced on
2698 * (w/o waits - O_NONBLOCK) here
2699 * if ready for read (sync), return POLLIN|POLLRDNORM,
2700 * if ready for write (sync), return POLLOUT|POLLWRNORM,
2701 * if error, return POLLERR,
2702 * if no buffers queued or so, return POLLNVAL
2703 */
2704
2705 mutex_lock(&zr->resource_lock);
2706
2707 switch (fh->map_mode) {
2708 case ZORAN_MAP_MODE_RAW:
2709 poll_wait(file, &zr->v4l_capq, wait);
2710 frame = zr->v4l_pend[zr->v4l_sync_tail & V4L_MASK_FRAME];
2711
2712 spin_lock_irqsave(&zr->spinlock, flags);
2713 dprintk(3,
2714 KERN_DEBUG
2715 "%s: %s() raw - active=%c, sync_tail=%lu/%c, pend_tail=%lu, pend_head=%lu\n",
2716 ZR_DEVNAME(zr), __func__,
2717 "FAL"[fh->buffers.active], zr->v4l_sync_tail,
2718 "UPMD"[zr->v4l_buffers.buffer[frame].state],
2719 zr->v4l_pend_tail, zr->v4l_pend_head);
2720 /* Process is the one capturing? */
2721 if (fh->buffers.active != ZORAN_FREE &&
2722 /* Buffer ready to DQBUF? */
2723 zr->v4l_buffers.buffer[frame].state == BUZ_STATE_DONE)
2724 res = POLLIN | POLLRDNORM;
2725 spin_unlock_irqrestore(&zr->spinlock, flags);
2726
2727 break;
2728
2729 case ZORAN_MAP_MODE_JPG_REC:
2730 case ZORAN_MAP_MODE_JPG_PLAY:
2731 poll_wait(file, &zr->jpg_capq, wait);
2732 frame = zr->jpg_pend[zr->jpg_que_tail & BUZ_MASK_FRAME];
2733
2734 spin_lock_irqsave(&zr->spinlock, flags);
2735 dprintk(3,
2736 KERN_DEBUG
2737 "%s: %s() jpg - active=%c, que_tail=%lu/%c, que_head=%lu, dma=%lu/%lu\n",
2738 ZR_DEVNAME(zr), __func__,
2739 "FAL"[fh->buffers.active], zr->jpg_que_tail,
2740 "UPMD"[zr->jpg_buffers.buffer[frame].state],
2741 zr->jpg_que_head, zr->jpg_dma_tail, zr->jpg_dma_head);
2742 if (fh->buffers.active != ZORAN_FREE &&
2743 zr->jpg_buffers.buffer[frame].state == BUZ_STATE_DONE) {
2744 if (fh->map_mode == ZORAN_MAP_MODE_JPG_REC)
2745 res = POLLIN | POLLRDNORM;
2746 else
2747 res = POLLOUT | POLLWRNORM;
2748 }
2749 spin_unlock_irqrestore(&zr->spinlock, flags);
2750
2751 break;
2752
2753 default:
2754 dprintk(1,
2755 KERN_ERR
2756 "%s: %s - internal error, unknown map_mode=%d\n",
2757 ZR_DEVNAME(zr), __func__, fh->map_mode);
2758 res = POLLNVAL;
2759 }
2760
2761 mutex_unlock(&zr->resource_lock);
2762
2763 return res;
2764 }
2765
2766
2767 /*
2768 * This maps the buffers to user space.
2769 *
2770 * Depending on the state of fh->map_mode
2771 * the V4L or the MJPEG buffers are mapped
2772 * per buffer or all together
2773 *
2774 * Note that we need to connect to some
2775 * unmap signal event to unmap the de-allocate
2776 * the buffer accordingly (zoran_vm_close())
2777 */
2778
2779 static void
2780 zoran_vm_open (struct vm_area_struct *vma)
2781 {
2782 struct zoran_mapping *map = vma->vm_private_data;
2783 atomic_inc(&map->count);
2784 }
2785
2786 static void
2787 zoran_vm_close (struct vm_area_struct *vma)
2788 {
2789 struct zoran_mapping *map = vma->vm_private_data;
2790 struct zoran_fh *fh = map->fh;
2791 struct zoran *zr = fh->zr;
2792 int i;
2793
2794 if (!atomic_dec_and_mutex_lock(&map->count, &zr->resource_lock))
2795 return;
2796
2797 dprintk(3, KERN_INFO "%s: %s - munmap(%s)\n", ZR_DEVNAME(zr),
2798 __func__, mode_name(fh->map_mode));
2799
2800 for (i = 0; i < fh->buffers.num_buffers; i++) {
2801 if (fh->buffers.buffer[i].map == map)
2802 fh->buffers.buffer[i].map = NULL;
2803 }
2804 kfree(map);
2805
2806 /* Any buffers still mapped? */
2807 for (i = 0; i < fh->buffers.num_buffers; i++) {
2808 if (fh->buffers.buffer[i].map) {
2809 mutex_unlock(&zr->resource_lock);
2810 return;
2811 }
2812 }
2813
2814 dprintk(3, KERN_INFO "%s: %s - free %s buffers\n", ZR_DEVNAME(zr),
2815 __func__, mode_name(fh->map_mode));
2816
2817
2818 if (fh->map_mode == ZORAN_MAP_MODE_RAW) {
2819 if (fh->buffers.active != ZORAN_FREE) {
2820 unsigned long flags;
2821
2822 spin_lock_irqsave(&zr->spinlock, flags);
2823 zr36057_set_memgrab(zr, 0);
2824 zr->v4l_buffers.allocated = 0;
2825 zr->v4l_buffers.active = fh->buffers.active = ZORAN_FREE;
2826 spin_unlock_irqrestore(&zr->spinlock, flags);
2827 }
2828 v4l_fbuffer_free(fh);
2829 } else {
2830 if (fh->buffers.active != ZORAN_FREE) {
2831 jpg_qbuf(fh, -1, zr->codec_mode);
2832 zr->jpg_buffers.allocated = 0;
2833 zr->jpg_buffers.active = fh->buffers.active = ZORAN_FREE;
2834 }
2835 jpg_fbuffer_free(fh);
2836 }
2837
2838 mutex_unlock(&zr->resource_lock);
2839 }
2840
2841 static const struct vm_operations_struct zoran_vm_ops = {
2842 .open = zoran_vm_open,
2843 .close = zoran_vm_close,
2844 };
2845
2846 static int
2847 zoran_mmap (struct file *file,
2848 struct vm_area_struct *vma)
2849 {
2850 struct zoran_fh *fh = file->private_data;
2851 struct zoran *zr = fh->zr;
2852 unsigned long size = (vma->vm_end - vma->vm_start);
2853 unsigned long offset = vma->vm_pgoff << PAGE_SHIFT;
2854 int i, j;
2855 unsigned long page, start = vma->vm_start, todo, pos, fraglen;
2856 int first, last;
2857 struct zoran_mapping *map;
2858 int res = 0;
2859
2860 dprintk(3,
2861 KERN_INFO "%s: %s(%s) of 0x%08lx-0x%08lx (size=%lu)\n",
2862 ZR_DEVNAME(zr), __func__,
2863 mode_name(fh->map_mode), vma->vm_start, vma->vm_end, size);
2864
2865 if (!(vma->vm_flags & VM_SHARED) || !(vma->vm_flags & VM_READ) ||
2866 !(vma->vm_flags & VM_WRITE)) {
2867 dprintk(1,
2868 KERN_ERR
2869 "%s: %s - no MAP_SHARED/PROT_{READ,WRITE} given\n",
2870 ZR_DEVNAME(zr), __func__);
2871 return -EINVAL;
2872 }
2873
2874 mutex_lock(&zr->resource_lock);
2875
2876 if (!fh->buffers.allocated) {
2877 dprintk(1,
2878 KERN_ERR
2879 "%s: %s(%s) - buffers not yet allocated\n",
2880 ZR_DEVNAME(zr), __func__, mode_name(fh->map_mode));
2881 res = -ENOMEM;
2882 goto mmap_unlock_and_return;
2883 }
2884
2885 first = offset / fh->buffers.buffer_size;
2886 last = first - 1 + size / fh->buffers.buffer_size;
2887 if (offset % fh->buffers.buffer_size != 0 ||
2888 size % fh->buffers.buffer_size != 0 || first < 0 ||
2889 last < 0 || first >= fh->buffers.num_buffers ||
2890 last >= fh->buffers.buffer_size) {
2891 dprintk(1,
2892 KERN_ERR
2893 "%s: %s(%s) - offset=%lu or size=%lu invalid for bufsize=%d and numbufs=%d\n",
2894 ZR_DEVNAME(zr), __func__, mode_name(fh->map_mode), offset, size,
2895 fh->buffers.buffer_size,
2896 fh->buffers.num_buffers);
2897 res = -EINVAL;
2898 goto mmap_unlock_and_return;
2899 }
2900
2901 /* Check if any buffers are already mapped */
2902 for (i = first; i <= last; i++) {
2903 if (fh->buffers.buffer[i].map) {
2904 dprintk(1,
2905 KERN_ERR
2906 "%s: %s(%s) - buffer %d already mapped\n",
2907 ZR_DEVNAME(zr), __func__, mode_name(fh->map_mode), i);
2908 res = -EBUSY;
2909 goto mmap_unlock_and_return;
2910 }
2911 }
2912
2913 /* map these buffers */
2914 map = kmalloc(sizeof(struct zoran_mapping), GFP_KERNEL);
2915 if (!map) {
2916 res = -ENOMEM;
2917 goto mmap_unlock_and_return;
2918 }
2919 map->fh = fh;
2920 atomic_set(&map->count, 1);
2921
2922 vma->vm_ops = &zoran_vm_ops;
2923 vma->vm_flags |= VM_DONTEXPAND;
2924 vma->vm_private_data = map;
2925
2926 if (fh->map_mode == ZORAN_MAP_MODE_RAW) {
2927 for (i = first; i <= last; i++) {
2928 todo = size;
2929 if (todo > fh->buffers.buffer_size)
2930 todo = fh->buffers.buffer_size;
2931 page = fh->buffers.buffer[i].v4l.fbuffer_phys;
2932 if (remap_pfn_range(vma, start, page >> PAGE_SHIFT,
2933 todo, PAGE_SHARED)) {
2934 dprintk(1,
2935 KERN_ERR
2936 "%s: %s(V4L) - remap_pfn_range failed\n",
2937 ZR_DEVNAME(zr), __func__);
2938 res = -EAGAIN;
2939 goto mmap_unlock_and_return;
2940 }
2941 size -= todo;
2942 start += todo;
2943 fh->buffers.buffer[i].map = map;
2944 if (size == 0)
2945 break;
2946 }
2947 } else {
2948 for (i = first; i <= last; i++) {
2949 for (j = 0;
2950 j < fh->buffers.buffer_size / PAGE_SIZE;
2951 j++) {
2952 fraglen =
2953 (le32_to_cpu(fh->buffers.buffer[i].jpg.
2954 frag_tab[2 * j + 1]) & ~1) << 1;
2955 todo = size;
2956 if (todo > fraglen)
2957 todo = fraglen;
2958 pos =
2959 le32_to_cpu(fh->buffers.
2960 buffer[i].jpg.frag_tab[2 * j]);
2961 /* should just be pos on i386 */
2962 page = virt_to_phys(bus_to_virt(pos))
2963 >> PAGE_SHIFT;
2964 if (remap_pfn_range(vma, start, page,
2965 todo, PAGE_SHARED)) {
2966 dprintk(1,
2967 KERN_ERR
2968 "%s: %s(V4L) - remap_pfn_range failed\n",
2969 ZR_DEVNAME(zr), __func__);
2970 res = -EAGAIN;
2971 goto mmap_unlock_and_return;
2972 }
2973 size -= todo;
2974 start += todo;
2975 if (size == 0)
2976 break;
2977 if (le32_to_cpu(fh->buffers.buffer[i].jpg.
2978 frag_tab[2 * j + 1]) & 1)
2979 break; /* was last fragment */
2980 }
2981 fh->buffers.buffer[i].map = map;
2982 if (size == 0)
2983 break;
2984
2985 }
2986 }
2987
2988 mmap_unlock_and_return:
2989 mutex_unlock(&zr->resource_lock);
2990
2991 return res;
2992 }
2993
2994 static const struct v4l2_ioctl_ops zoran_ioctl_ops = {
2995 .vidioc_querycap = zoran_querycap,
2996 .vidioc_cropcap = zoran_cropcap,
2997 .vidioc_s_crop = zoran_s_crop,
2998 .vidioc_g_crop = zoran_g_crop,
2999 .vidioc_enum_input = zoran_enum_input,
3000 .vidioc_g_input = zoran_g_input,
3001 .vidioc_s_input = zoran_s_input,
3002 .vidioc_enum_output = zoran_enum_output,
3003 .vidioc_g_output = zoran_g_output,
3004 .vidioc_s_output = zoran_s_output,
3005 .vidioc_g_fbuf = zoran_g_fbuf,
3006 .vidioc_s_fbuf = zoran_s_fbuf,
3007 .vidioc_g_std = zoran_g_std,
3008 .vidioc_s_std = zoran_s_std,
3009 .vidioc_g_jpegcomp = zoran_g_jpegcomp,
3010 .vidioc_s_jpegcomp = zoran_s_jpegcomp,
3011 .vidioc_overlay = zoran_overlay,
3012 .vidioc_reqbufs = zoran_reqbufs,
3013 .vidioc_querybuf = zoran_querybuf,
3014 .vidioc_qbuf = zoran_qbuf,
3015 .vidioc_dqbuf = zoran_dqbuf,
3016 .vidioc_streamon = zoran_streamon,
3017 .vidioc_streamoff = zoran_streamoff,
3018 .vidioc_enum_fmt_vid_cap = zoran_enum_fmt_vid_cap,
3019 .vidioc_enum_fmt_vid_out = zoran_enum_fmt_vid_out,
3020 .vidioc_enum_fmt_vid_overlay = zoran_enum_fmt_vid_overlay,
3021 .vidioc_g_fmt_vid_cap = zoran_g_fmt_vid_cap,
3022 .vidioc_g_fmt_vid_out = zoran_g_fmt_vid_out,
3023 .vidioc_g_fmt_vid_overlay = zoran_g_fmt_vid_overlay,
3024 .vidioc_s_fmt_vid_cap = zoran_s_fmt_vid_cap,
3025 .vidioc_s_fmt_vid_out = zoran_s_fmt_vid_out,
3026 .vidioc_s_fmt_vid_overlay = zoran_s_fmt_vid_overlay,
3027 .vidioc_try_fmt_vid_cap = zoran_try_fmt_vid_cap,
3028 .vidioc_try_fmt_vid_out = zoran_try_fmt_vid_out,
3029 .vidioc_try_fmt_vid_overlay = zoran_try_fmt_vid_overlay,
3030 .vidioc_queryctrl = zoran_queryctrl,
3031 .vidioc_s_ctrl = zoran_s_ctrl,
3032 .vidioc_g_ctrl = zoran_g_ctrl,
3033 };
3034
3035 /* please use zr->resource_lock consistently and kill this wrapper */
3036 static long zoran_ioctl(struct file *file, unsigned int cmd,
3037 unsigned long arg)
3038 {
3039 struct zoran_fh *fh = file->private_data;
3040 struct zoran *zr = fh->zr;
3041 int ret;
3042
3043 mutex_lock(&zr->other_lock);
3044 ret = video_ioctl2(file, cmd, arg);
3045 mutex_unlock(&zr->other_lock);
3046
3047 return ret;
3048 }
3049
3050 static const struct v4l2_file_operations zoran_fops = {
3051 .owner = THIS_MODULE,
3052 .open = zoran_open,
3053 .release = zoran_close,
3054 .unlocked_ioctl = zoran_ioctl,
3055 .read = zoran_read,
3056 .write = zoran_write,
3057 .mmap = zoran_mmap,
3058 .poll = zoran_poll,
3059 };
3060
3061 struct video_device zoran_template = {
3062 .name = ZORAN_NAME,
3063 .fops = &zoran_fops,
3064 .ioctl_ops = &zoran_ioctl_ops,
3065 .release = &zoran_vdev_release,
3066 .tvnorms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM,
3067 };
3068
Linux with added FPC-III support