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treewide: Fix typos in various parts of the kernel, and fix some comments.
[mirror_ubuntu-jammy-kernel.git] / drivers / media / video / zoran / zoran_driver.c
CommitLineData
1da177e4
LT		 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
1da177e4
LT		 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>
1da177e4
LT		 54
55#include <linux/interrupt.h>
56#include <linux/i2c.h>
57#include <linux/i2c-algo-bit.h>
58
59#include <linux/spinlock.h>
1da177e4 60
debff5a7 61#include <linux/videodev2.h>
5e87efa3 62#include <media/v4l2-common.h>
35ea11ff 63#include <media/v4l2-ioctl.h>
1da177e4
LT		 64#include "videocodec.h"
65
9a6ab769 66#include <asm/byteorder.h>
1da177e4
LT		 67#include <asm/io.h>
68#include <asm/uaccess.h>
69#include <linux/proc_fs.h>
70
384c3689 71#include <linux/mutex.h>
1da177e4
LT		 72#include "zoran.h"
73#include "zoran_device.h"
74#include "zoran_card.h"
75
603d6f2c
TP		 76
77const struct zoran_format zoran_formats[] = {
78 {
79 .name = "15-bit RGB LE",
602dd48a
HV		 80 .fourcc = V4L2_PIX_FMT_RGB555,
81 .colorspace = V4L2_COLORSPACE_SRGB,
1da177e4
LT		 82 .depth = 15,
83 .flags = ZORAN_FORMAT_CAPTURE |
84 ZORAN_FORMAT_OVERLAY,
603d6f2c
TP		 85 .vfespfr = ZR36057_VFESPFR_RGB555|ZR36057_VFESPFR_ErrDif|
86 ZR36057_VFESPFR_LittleEndian,
1da177e4 87 }, {
603d6f2c 88 .name = "15-bit RGB BE",
602dd48a
HV		 89 .fourcc = V4L2_PIX_FMT_RGB555X,
90 .colorspace = V4L2_COLORSPACE_SRGB,
603d6f2c
TP		 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",
602dd48a
HV		 97 .fourcc = V4L2_PIX_FMT_RGB565,
98 .colorspace = V4L2_COLORSPACE_SRGB,
1da177e4
LT		 99 .depth = 16,
100 .flags = ZORAN_FORMAT_CAPTURE |
101 ZORAN_FORMAT_OVERLAY,
603d6f2c
TP		 102 .vfespfr = ZR36057_VFESPFR_RGB565|ZR36057_VFESPFR_ErrDif|
103 ZR36057_VFESPFR_LittleEndian,
104 }, {
105 .name = "16-bit RGB BE",
602dd48a
HV		 106 .fourcc = V4L2_PIX_FMT_RGB565X,
107 .colorspace = V4L2_COLORSPACE_SRGB,
603d6f2c
TP		 108 .depth = 16,
109 .flags = ZORAN_FORMAT_CAPTURE |
110 ZORAN_FORMAT_OVERLAY,
111 .vfespfr = ZR36057_VFESPFR_RGB565|ZR36057_VFESPFR_ErrDif,
1da177e4
LT		 112 }, {
113 .name = "24-bit RGB",
602dd48a
HV		 114 .fourcc = V4L2_PIX_FMT_BGR24,
115 .colorspace = V4L2_COLORSPACE_SRGB,
1da177e4
LT		 116 .depth = 24,
117 .flags = ZORAN_FORMAT_CAPTURE |
118 ZORAN_FORMAT_OVERLAY,
603d6f2c 119 .vfespfr = ZR36057_VFESPFR_RGB888|ZR36057_VFESPFR_Pack24,
1da177e4 120 }, {
603d6f2c 121 .name = "32-bit RGB LE",
602dd48a
HV		 122 .fourcc = V4L2_PIX_FMT_BGR32,
123 .colorspace = V4L2_COLORSPACE_SRGB,
1da177e4
LT		 124 .depth = 32,
125 .flags = ZORAN_FORMAT_CAPTURE |
126 ZORAN_FORMAT_OVERLAY,
603d6f2c
TP		 127 .vfespfr = ZR36057_VFESPFR_RGB888|ZR36057_VFESPFR_LittleEndian,
128 }, {
129 .name = "32-bit RGB BE",
602dd48a
HV		 130 .fourcc = V4L2_PIX_FMT_RGB32,
131 .colorspace = V4L2_COLORSPACE_SRGB,
603d6f2c
TP		 132 .depth = 32,
133 .flags = ZORAN_FORMAT_CAPTURE |
134 ZORAN_FORMAT_OVERLAY,
135 .vfespfr = ZR36057_VFESPFR_RGB888,
1da177e4
LT		 136 }, {
137 .name = "4:2:2, packed, YUYV",
602dd48a
HV		 138 .fourcc = V4L2_PIX_FMT_YUYV,
139 .colorspace = V4L2_COLORSPACE_SMPTE170M,
1da177e4
LT		 140 .depth = 16,
141 .flags = ZORAN_FORMAT_CAPTURE |
d56410e0 142 ZORAN_FORMAT_OVERLAY,
603d6f2c
TP		 143 .vfespfr = ZR36057_VFESPFR_YUV422,
144 }, {
145 .name = "4:2:2, packed, UYVY",
602dd48a
HV		 146 .fourcc = V4L2_PIX_FMT_UYVY,
147 .colorspace = V4L2_COLORSPACE_SMPTE170M,
603d6f2c
TP		 148 .depth = 16,
149 .flags = ZORAN_FORMAT_CAPTURE |
150 ZORAN_FORMAT_OVERLAY,
151 .vfespfr = ZR36057_VFESPFR_YUV422|ZR36057_VFESPFR_LittleEndian,
1da177e4
LT		 152 }, {
153 .name = "Hardware-encoded Motion-JPEG",
602dd48a
HV		 154 .fourcc = V4L2_PIX_FMT_MJPEG,
155 .colorspace = V4L2_COLORSPACE_SMPTE170M,
1da177e4
LT		 156 .depth = 0,
157 .flags = ZORAN_FORMAT_CAPTURE |
158 ZORAN_FORMAT_PLAYBACK |
159 ZORAN_FORMAT_COMPRESSED,
160 }
161};
603d6f2c 162#define NUM_FORMATS ARRAY_SIZE(zoran_formats)
1da177e4 163
1da177e4
LT		 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 */
167static __u32
168zoran_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}
1da177e4
LT		 186
187/* forward references */
e5ee3f64
TP		 188static void v4l_fbuffer_free(struct zoran_fh *fh);
189static void jpg_fbuffer_free(struct zoran_fh *fh);
1da177e4 190
1159b7f1
TP		 191/* Set mapping mode */
192static 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}
198static 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}
204static inline const char *mode_name(enum zoran_map_mode mode)
205{
206 return mode == ZORAN_MAP_MODE_RAW ? "V4L" : "JPG";
207}
208
1da177e4
LT		 209/*
210 * Allocate the V4L grab buffers
211 *
212 * These have to be pysically contiguous.
1da177e4
LT		 213 */
214
e5ee3f64 215static int v4l_fbuffer_alloc(struct zoran_fh *fh)
1da177e4 216{
1da177e4
LT		 217 struct zoran *zr = fh->zr;
218 int i, off;
219 unsigned char *mem;
1da177e4 220
1159b7f1
TP		 221 for (i = 0; i < fh->buffers.num_buffers; i++) {
222 if (fh->buffers.buffer[i].v4l.fbuffer)
1da177e4
LT		 223 dprintk(2,
224 KERN_WARNING
c61402ba
TP		 225 "%s: %s - buffer %d already allocated!?\n",
226 ZR_DEVNAME(zr), __func__, i);
1da177e4
LT		 227
228 //udelay(20);
ee9a9d66
JD		 229 mem = kmalloc(fh->buffers.buffer_size,
230 GFP_KERNEL | __GFP_NOWARN);
b80696b7
HV		 231 if (!mem) {
232 dprintk(1,
233 KERN_ERR
c61402ba
TP		 234 "%s: %s - kmalloc for V4L buf %d failed\n",
235 ZR_DEVNAME(zr), __func__, i);
e5ee3f64 236 v4l_fbuffer_free(fh);
b80696b7 237 return -ENOBUFS;
1da177e4 238 }
1159b7f1
TP		 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;
b80696b7 243 off += PAGE_SIZE)
602dd48a 244 SetPageReserved(virt_to_page(mem + off));
b80696b7
HV		 245 dprintk(4,
246 KERN_INFO
8737f66e 247 "%s: %s - V4L frame %d mem 0x%lx (bus: 0x%llx)\n",
c61402ba 248 ZR_DEVNAME(zr), __func__, i, (unsigned long) mem,
8737f66e 249 (unsigned long long)virt_to_bus(mem));
1da177e4
LT		 250 }
251
1159b7f1 252 fh->buffers.allocated = 1;
1da177e4
LT		 253
254 return 0;
255}
256
257/* free the V4L grab buffers */
e5ee3f64 258static void v4l_fbuffer_free(struct zoran_fh *fh)
1da177e4 259{
1da177e4
LT		 260 struct zoran *zr = fh->zr;
261 int i, off;
262 unsigned char *mem;
263
c61402ba 264 dprintk(4, KERN_INFO "%s: %s\n", ZR_DEVNAME(zr), __func__);
1da177e4 265
1159b7f1
TP		 266 for (i = 0; i < fh->buffers.num_buffers; i++) {
267 if (!fh->buffers.buffer[i].v4l.fbuffer)
1da177e4
LT		 268 continue;
269
1159b7f1
TP		 270 mem = fh->buffers.buffer[i].v4l.fbuffer;
271 for (off = 0; off < fh->buffers.buffer_size;
b80696b7 272 off += PAGE_SIZE)
602dd48a 273 ClearPageReserved(virt_to_page(mem + off));
1159b7f1
TP		 274 kfree(fh->buffers.buffer[i].v4l.fbuffer);
275 fh->buffers.buffer[i].v4l.fbuffer = NULL;
1da177e4
LT		 276 }
277
1159b7f1 278 fh->buffers.allocated = 0;
1da177e4
LT		 279}
280
281/*
282 * Allocate the MJPEG grab buffers.
283 *
1da177e4
LT		 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)
1da177e4
LT		 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
e5ee3f64 309static int jpg_fbuffer_alloc(struct zoran_fh *fh)
1da177e4 310{
1da177e4
LT		 311 struct zoran *zr = fh->zr;
312 int i, j, off;
1159b7f1 313 u8 *mem;
1da177e4 314
1159b7f1
TP		 315 for (i = 0; i < fh->buffers.num_buffers; i++) {
316 if (fh->buffers.buffer[i].jpg.frag_tab)
1da177e4
LT		 317 dprintk(2,
318 KERN_WARNING
c61402ba
TP		 319 "%s: %s - buffer %d already allocated!?\n",
320 ZR_DEVNAME(zr), __func__, i);
1da177e4
LT		 321
322 /* Allocate fragment table for this buffer */
323
1159b7f1 324 mem = (void *)get_zeroed_page(GFP_KERNEL);
cebedf15 325 if (!mem) {
1da177e4
LT		 326 dprintk(1,
327 KERN_ERR
c61402ba
TP		 328 "%s: %s - get_zeroed_page (frag_tab) failed for buffer %d\n",
329 ZR_DEVNAME(zr), __func__, i);
e5ee3f64 330 jpg_fbuffer_free(fh);
1da177e4
LT		 331 return -ENOBUFS;
332 }
1159b7f1
TP		 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) {
1da177e4
LT		 339 dprintk(1,
340 KERN_ERR
c61402ba
TP		 341 "%s: %s - kmalloc failed for buffer %d\n",
342 ZR_DEVNAME(zr), __func__, i);
e5ee3f64 343 jpg_fbuffer_free(fh);
1da177e4
LT		 344 return -ENOBUFS;
345 }
1159b7f1
TP		 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)
602dd48a 351 SetPageReserved(virt_to_page(mem + off));
1da177e4 352 } else {
b80696b7 353 /* jpg_bufsize is already page aligned */
1159b7f1
TP		 354 for (j = 0; j < fh->buffers.buffer_size / PAGE_SIZE; j++) {
355 mem = (void *)get_zeroed_page(GFP_KERNEL);
356 if (mem == NULL) {
1da177e4
LT		 357 dprintk(1,
358 KERN_ERR
c61402ba
TP		 359 "%s: %s - get_zeroed_page failed for buffer %d\n",
360 ZR_DEVNAME(zr), __func__, i);
e5ee3f64 361 jpg_fbuffer_free(fh);
1da177e4
LT		 362 return -ENOBUFS;
363 }
364
1159b7f1
TP		 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);
602dd48a 369 SetPageReserved(virt_to_page(mem));
1da177e4
LT		 370 }
371
1159b7f1 372 fh->buffers.buffer[i].jpg.frag_tab[2 * j - 1] |= cpu_to_le32(1);
1da177e4
LT		 373 }
374 }
375
376 dprintk(4,
c61402ba
TP		 377 KERN_DEBUG "%s: %s - %d KB allocated\n",
378 ZR_DEVNAME(zr), __func__,
1159b7f1 379 (fh->buffers.num_buffers * fh->buffers.buffer_size) >> 10);
1da177e4 380
1159b7f1 381 fh->buffers.allocated = 1;
1da177e4
LT		 382
383 return 0;
384}
385
386/* free the MJPEG grab buffers */
e5ee3f64 387static void jpg_fbuffer_free(struct zoran_fh *fh)
1da177e4 388{
1da177e4
LT		 389 struct zoran *zr = fh->zr;
390 int i, j, off;
391 unsigned char *mem;
602dd48a 392 __le32 frag_tab;
1159b7f1 393 struct zoran_buffer *buffer;
1da177e4 394
c61402ba 395 dprintk(4, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__);
1da177e4 396
1159b7f1
TP		 397 for (i = 0, buffer = &fh->buffers.buffer[0];
398 i < fh->buffers.num_buffers; i++, buffer++) {
399 if (!buffer->jpg.frag_tab)
1da177e4
LT		 400 continue;
401
1159b7f1
TP		 402 if (fh->buffers.need_contiguous) {
403 frag_tab = buffer->jpg.frag_tab[0];
602dd48a
HV		 404
405 if (frag_tab) {
1159b7f1
TP		 406 mem = bus_to_virt(le32_to_cpu(frag_tab));
407 for (off = 0; off < fh->buffers.buffer_size; off += PAGE_SIZE)
602dd48a 408 ClearPageReserved(virt_to_page(mem + off));
f9101210 409 kfree(mem);
1159b7f1
TP		 410 buffer->jpg.frag_tab[0] = 0;
411 buffer->jpg.frag_tab[1] = 0;
1da177e4
LT		 412 }
413 } else {
1159b7f1
TP		 414 for (j = 0; j < fh->buffers.buffer_size / PAGE_SIZE; j++) {
415 frag_tab = buffer->jpg.frag_tab[2 * j];
602dd48a
HV		 416
417 if (!frag_tab)
1da177e4 418 break;
602dd48a
HV		 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)));
1159b7f1
TP		 421 buffer->jpg.frag_tab[2 * j] = 0;
422 buffer->jpg.frag_tab[2 * j + 1] = 0;
1da177e4
LT		 423 }
424 }
425
1159b7f1
TP		 426 free_page((unsigned long)buffer->jpg.frag_tab);
427 buffer->jpg.frag_tab = NULL;
1da177e4
LT		 428 }
429
1159b7f1 430 fh->buffers.allocated = 0;
1da177e4
LT		 431}
432
433/*
434 * V4L Buffer grabbing
435 */
436
437static int
1159b7f1 438zoran_v4l_set_format (struct zoran_fh *fh,
1da177e4
LT		 439 int width,
440 int height,
441 const struct zoran_format *format)
442{
1da177e4
LT		 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
c61402ba
TP		 452 "%s: %s - wrong frame size (%dx%d)\n",
453 ZR_DEVNAME(zr), __func__, width, height);
1da177e4
LT		 454 return -EINVAL;
455 }
456
457 bpp = (format->depth + 7) / 8;
458
459 /* Check against available buffer size */
1159b7f1 460 if (height * width * bpp > fh->buffers.buffer_size) {
1da177e4
LT		 461 dprintk(1,
462 KERN_ERR
c61402ba
TP		 463 "%s: %s - video buffer size (%d kB) is too small\n",
464 ZR_DEVNAME(zr), __func__, fh->buffers.buffer_size >> 10);
1da177e4
LT		 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
c61402ba
TP		 473 "%s: %s - wrong frame alignment\n",
474 ZR_DEVNAME(zr), __func__);
1da177e4
LT		 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
e5ee3f64 486static int zoran_v4l_queue_frame(struct zoran_fh *fh, int num)
1da177e4 487{
1da177e4
LT		 488 struct zoran *zr = fh->zr;
489 unsigned long flags;
490 int res = 0;
491
1159b7f1 492 if (!fh->buffers.allocated) {
1da177e4
LT		 493 dprintk(1,
494 KERN_ERR
c61402ba
TP		 495 "%s: %s - buffers not yet allocated\n",
496 ZR_DEVNAME(zr), __func__);
1da177e4
LT		 497 res = -ENOMEM;
498 }
499
500 /* No grabbing outside the buffer range! */
1159b7f1 501 if (num >= fh->buffers.num_buffers || num < 0) {
1da177e4
LT		 502 dprintk(1,
503 KERN_ERR
c61402ba
TP		 504 "%s: %s - buffer %d is out of range\n",
505 ZR_DEVNAME(zr), __func__, num);
1da177e4
LT		 506 res = -EINVAL;
507 }
508
509 spin_lock_irqsave(&zr->spinlock, flags);
510
1159b7f1 511 if (fh->buffers.active == ZORAN_FREE) {
1da177e4 512 if (zr->v4l_buffers.active == ZORAN_FREE) {
1159b7f1
TP		 513 zr->v4l_buffers = fh->buffers;
514 fh->buffers.active = ZORAN_ACTIVE;
1da177e4
LT		 515 } else {
516 dprintk(1,
517 KERN_ERR
c61402ba
TP		 518 "%s: %s - another session is already capturing\n",
519 ZR_DEVNAME(zr), __func__);
1da177e4
LT		 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) {
1159b7f1 530 fh->buffers.active = ZORAN_FREE;
1da177e4
LT		 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
c61402ba
TP		 538 "%s: %s - queueing buffer %d in state DONE!?\n",
539 ZR_DEVNAME(zr), __func__, num);
1da177e4
LT		 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 */
1159b7f1 543 zr->v4l_pend[zr->v4l_pend_head++ & V4L_MASK_FRAME] = num;
1da177e4
LT		 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;
1159b7f1 548 fh->buffers.buffer[num] = zr->v4l_buffers.buffer[num];
1da177e4
LT		 549 break;
550 }
551 }
552
553 spin_unlock_irqrestore(&zr->spinlock, flags);
554
555 if (!res && zr->v4l_buffers.active == ZORAN_FREE)
1159b7f1 556 zr->v4l_buffers.active = fh->buffers.active;
1da177e4
LT		 557
558 return res;
559}
560
1da177e4
LT		 561/*
562 * Sync on a V4L buffer
563 */
564
e5ee3f64 565static int v4l_sync(struct zoran_fh *fh, int frame)
1da177e4 566{
1da177e4
LT		 567 struct zoran *zr = fh->zr;
568 unsigned long flags;
569
1159b7f1 570 if (fh->buffers.active == ZORAN_FREE) {
1da177e4
LT		 571 dprintk(1,
572 KERN_ERR
c61402ba
TP		 573 "%s: %s - no grab active for this session\n",
574 ZR_DEVNAME(zr), __func__);
1da177e4
LT		 575 return -EINVAL;
576 }
577
578 /* check passed-in frame number */
1159b7f1 579 if (frame >= fh->buffers.num_buffers || frame < 0) {
1da177e4 580 dprintk(1,
c61402ba
TP		 581 KERN_ERR "%s: %s - frame %d is invalid\n",
582 ZR_DEVNAME(zr), __func__, frame);
1da177e4
LT		 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
c61402ba
TP		 590 "%s: %s - attempt to sync on a buffer which was not queued?\n",
591 ZR_DEVNAME(zr), __func__);
1da177e4
LT		 592 return -EPROTO;
593 }
594
595 /* wait on this buffer to get ready */
596 if (!wait_event_interruptible_timeout(zr->v4l_capq,
1159b7f1 597 (zr->v4l_buffers.buffer[frame].state != BUZ_STATE_PEND), 10*HZ))
1da177e4
LT		 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,
c61402ba
TP		 605 KERN_ERR "%s: %s - internal state error\n",
606 ZR_DEVNAME(zr), __func__);
1da177e4
LT		 607
608 zr->v4l_buffers.buffer[frame].state = BUZ_STATE_USER;
1159b7f1 609 fh->buffers.buffer[frame] = zr->v4l_buffers.buffer[frame];
1da177e4
LT		 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) {
1159b7f1 617 fh->buffers.active = zr->v4l_buffers.active = ZORAN_FREE;
1da177e4
LT		 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
e5ee3f64
TP		 631static int zoran_jpg_queue_frame(struct zoran_fh *fh, int num,
632 enum zoran_codec_mode mode)
1da177e4 633{
1da177e4
LT		 634 struct zoran *zr = fh->zr;
635 unsigned long flags;
636 int res = 0;
637
638 /* Check if buffers are allocated */
1159b7f1 639 if (!fh->buffers.allocated) {
1da177e4
LT		 640 dprintk(1,
641 KERN_ERR
c61402ba
TP		 642 "%s: %s - buffers not yet allocated\n",
643 ZR_DEVNAME(zr), __func__);
1da177e4
LT		 644 return -ENOMEM;
645 }
646
647 /* No grabbing outside the buffer range! */
1159b7f1 648 if (num >= fh->buffers.num_buffers || num < 0) {
1da177e4
LT		 649 dprintk(1,
650 KERN_ERR
c61402ba
TP		 651 "%s: %s - buffer %d out of range\n",
652 ZR_DEVNAME(zr), __func__, num);
1da177e4
LT		 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
c61402ba
TP		 663 "%s: %s - codec in wrong mode\n",
664 ZR_DEVNAME(zr), __func__);
1da177e4
LT		 665 return -EINVAL;
666 }
667
1159b7f1 668 if (fh->buffers.active == ZORAN_FREE) {
1da177e4 669 if (zr->jpg_buffers.active == ZORAN_FREE) {
1159b7f1
TP		 670 zr->jpg_buffers = fh->buffers;
671 fh->buffers.active = ZORAN_ACTIVE;
1da177e4
LT		 672 } else {
673 dprintk(1,
674 KERN_ERR
c61402ba
TP		 675 "%s: %s - another session is already capturing\n",
676 ZR_DEVNAME(zr), __func__);
1da177e4
LT		 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
8bc3efcf
RB		 686 spin_lock_irqsave(&zr->spinlock, flags);
687
1da177e4
LT		 688 if (!res) {
689 switch (zr->jpg_buffers.buffer[num].state) {
690 case BUZ_STATE_DONE:
691 dprintk(2,
692 KERN_WARNING
c61402ba
TP		 693 "%s: %s - queing frame in BUZ_STATE_DONE state!?\n",
694 ZR_DEVNAME(zr), __func__);
1da177e4
LT		 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 */
1159b7f1 698 zr->jpg_pend[zr->jpg_que_head++ & BUZ_MASK_FRAME] = num;
1da177e4 699 zr->jpg_buffers.buffer[num].state = BUZ_STATE_PEND;
1159b7f1 700 fh->buffers.buffer[num] = zr->jpg_buffers.buffer[num];
1da177e4
LT		 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) {
1159b7f1 707 fh->buffers.active = ZORAN_FREE;
1da177e4
LT		 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
1159b7f1
TP		 717 if (!res && zr->jpg_buffers.active == ZORAN_FREE)
718 zr->jpg_buffers.active = fh->buffers.active;
1da177e4
LT		 719
720 return res;
721}
722
e5ee3f64 723static int jpg_qbuf(struct zoran_fh *fh, int frame, enum zoran_codec_mode mode)
1da177e4 724{
1da177e4
LT		 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) {
1159b7f1 731 if (fh->buffers.active == ZORAN_FREE) {
1da177e4
LT		 732 dprintk(1,
733 KERN_ERR
c61402ba
TP		 734 "%s: %s(-1) - session not active\n",
735 ZR_DEVNAME(zr), __func__);
1da177e4
LT		 736 return -EINVAL;
737 }
1159b7f1 738 fh->buffers.active = zr->jpg_buffers.active = ZORAN_FREE;
1da177e4
LT		 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
c61402ba
TP		 745 "%s: %s - stop streaming but not in streaming mode\n",
746 ZR_DEVNAME(zr), __func__);
1da177e4
LT		 747 return -EINVAL;
748 }
749 }
750
e5ee3f64 751 if ((res = zoran_jpg_queue_frame(fh, frame, mode)))
1da177e4
LT		 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
e5ee3f64 765static int jpg_sync(struct zoran_fh *fh, struct zoran_sync *bs)
1da177e4 766{
1da177e4
LT		 767 struct zoran *zr = fh->zr;
768 unsigned long flags;
769 int frame;
770
1159b7f1 771 if (fh->buffers.active == ZORAN_FREE) {
1da177e4
LT		 772 dprintk(1,
773 KERN_ERR
c61402ba
TP		 774 "%s: %s - capture is not currently active\n",
775 ZR_DEVNAME(zr), __func__);
1da177e4
LT		 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
c61402ba
TP		 782 "%s: %s - codec not in streaming mode\n",
783 ZR_DEVNAME(zr), __func__);
1da177e4
LT		 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
c61402ba
TP		 798 "%s: %s - timeout: codec isr=0x%02x\n",
799 ZR_DEVNAME(zr), __func__, isr);
1da177e4
LT		 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 */
18b548ca
JD		 815 if (zr->jpg_buffers.buffer[frame].state != BUZ_STATE_DONE)
816 dprintk(2,
c61402ba
TP		 817 KERN_ERR "%s: %s - internal state error\n",
818 ZR_DEVNAME(zr), __func__);
1da177e4
LT		 819
820 *bs = zr->jpg_buffers.buffer[frame].bs;
821 bs->frame = frame;
822 zr->jpg_buffers.buffer[frame].state = BUZ_STATE_USER;
1159b7f1 823 fh->buffers.buffer[frame] = zr->jpg_buffers.buffer[frame];
1da177e4
LT		 824
825 spin_unlock_irqrestore(&zr->spinlock, flags);
826
827 return 0;
828}
829
e5ee3f64 830static void zoran_open_init_session(struct zoran_fh *fh)
1da177e4
LT		 831{
832 int i;
1da177e4
LT		 833 struct zoran *zr = fh->zr;
834
835 /* Per default, map the V4L Buffers */
1159b7f1 836 map_mode_raw(fh);
1da177e4
LT		 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;
1da177e4
LT		 846 /* jpg settings */
847 fh->jpg_settings = zr->jpg_settings;
848
1159b7f1
TP		 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;
1da177e4 854 }
1159b7f1
TP		 855 fh->buffers.allocated = 0;
856 fh->buffers.active = ZORAN_FREE;
1da177e4
LT		 857}
858
e5ee3f64 859static void zoran_close_end_session(struct zoran_fh *fh)
1da177e4 860{
1da177e4
LT		 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
1159b7f1
TP		 872 if (fh->map_mode == ZORAN_MAP_MODE_RAW) {
873 /* v4l capture */
874 if (fh->buffers.active != ZORAN_FREE) {
875 unsigned long flags;
9896bbc1 876
1159b7f1
TP		 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 }
1da177e4 883
1159b7f1
TP		 884 /* v4l buffers */
885 if (fh->buffers.allocated)
e5ee3f64 886 v4l_fbuffer_free(fh);
1159b7f1
TP		 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 }
1da177e4 894
1159b7f1
TP		 895 /* jpg buffers */
896 if (fh->buffers.allocated)
e5ee3f64 897 jpg_fbuffer_free(fh);
1da177e4 898 }
1da177e4
LT		 899}
900
901/*
902 * Open a zoran card. Right now the flags stuff is just playing
903 */
904
601139e0 905static int zoran_open(struct file *file)
1da177e4 906{
601139e0 907 struct zoran *zr = video_drvdata(file);
1da177e4 908 struct zoran_fh *fh;
fc96ab73
TP		 909 int res, first_open = 0;
910
c61402ba
TP		 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);
1da177e4 913
0edf2e5e 914 mutex_lock(&zr->other_lock);
1da177e4 915
fc96ab73
TP		 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
1da177e4 923 /* now, create the open()-specific file_ops struct */
7408187d 924 fh = kzalloc(sizeof(struct zoran_fh), GFP_KERNEL);
1da177e4
LT		 925 if (!fh) {
926 dprintk(1,
927 KERN_ERR
c61402ba
TP		 928 "%s: %s - allocation of zoran_fh failed\n",
929 ZR_DEVNAME(zr), __func__);
1da177e4 930 res = -ENOMEM;
0ab6e1c3 931 goto fail_unlock;
1da177e4 932 }
1da177e4
LT		 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
c61402ba
TP		 940 "%s: %s - allocation of overlay_mask failed\n",
941 ZR_DEVNAME(zr), __func__);
1da177e4 942 res = -ENOMEM;
fc96ab73 943 goto fail_fh;
1da177e4
LT		 944 }
945
946 if (zr->user++ == 0)
947 first_open = 1;
948
384c3689 949 /*mutex_unlock(&zr->resource_lock);*/
1da177e4
LT		 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;
e5ee3f64 963 zoran_open_init_session(fh);
0edf2e5e 964 mutex_unlock(&zr->other_lock);
1da177e4
LT		 965
966 return 0;
967
fc96ab73
TP		 968fail_fh:
969 kfree(fh);
fc96ab73 970fail_unlock:
0edf2e5e 971 mutex_unlock(&zr->other_lock);
1da177e4 972
fc96ab73
TP		 973 dprintk(2, KERN_INFO "%s: open failed (%d), users(-)=%d\n",
974 ZR_DEVNAME(zr), res, zr->user);
975
1da177e4
LT		 976 return res;
977}
978
979static int
bec43661 980zoran_close(struct file *file)
1da177e4
LT		 981{
982 struct zoran_fh *fh = file->private_data;
983 struct zoran *zr = fh->zr;
984
c61402ba
TP		 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);
1da177e4
LT		 987
988 /* kernel locks (fs/device.c), so don't do that ourselves
989 * (prevents deadlocks) */
0edf2e5e 990 mutex_lock(&zr->other_lock);
1da177e4 991
e5ee3f64 992 zoran_close_end_session(fh);
1da177e4
LT		 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
18b548ca 1004 if (zr36067_debug > 1)
1da177e4
LT		 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 */
0ab6e1c3 1020 decoder_call(zr, video, s_stream, 0);
5325b427 1021 encoder_call(zr, video, s_routing, 2, 0, 0);
1da177e4
LT		 1022 }
1023 }
0edf2e5e 1024 mutex_unlock(&zr->other_lock);
1da177e4
LT		 1025
1026 file->private_data = NULL;
1027 kfree(fh->overlay_mask);
1028 kfree(fh);
1029
c61402ba 1030 dprintk(4, KERN_INFO "%s: %s done\n", ZR_DEVNAME(zr), __func__);
1da177e4
LT		 1031
1032 return 0;
1033}
1034
1035
1036static ssize_t
1037zoran_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
1047static ssize_t
1048zoran_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
e5ee3f64 1058static int setup_fbuffer(struct zoran_fh *fh,
1da177e4
LT		 1059 void *base,
1060 const struct zoran_format *fmt,
1061 int width,
1062 int height,
1063 int bytesperline)
1064{
1da177e4
LT		 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
e355880b
AC		 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
1da177e4
LT		 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
c61402ba
TP		 1092 "%s: %s - forced overlay turnoff because framebuffer changed\n",
1093 ZR_DEVNAME(zr), __func__);
1da177e4
LT		 1094 zr36057_overlay(zr, 0);
1095 }
1096#endif
1097
1098 if (!(fmt->flags & ZORAN_FORMAT_OVERLAY)) {
1099 dprintk(1,
1100 KERN_ERR
c61402ba
TP		 1101 "%s: %s - no valid overlay format given\n",
1102 ZR_DEVNAME(zr), __func__);
1da177e4
LT		 1103 return -EINVAL;
1104 }
1105 if (height <= 0 || width <= 0 || bytesperline <= 0) {
1106 dprintk(1,
1107 KERN_ERR
c61402ba
TP		 1108 "%s: %s - invalid height/width/bpl value (%d|%d|%d)\n",
1109 ZR_DEVNAME(zr), __func__, width, height, bytesperline);
1da177e4
LT		 1110 return -EINVAL;
1111 }
1112 if (bytesperline & 3) {
1113 dprintk(1,
1114 KERN_ERR
c61402ba
TP		 1115 "%s: %s - bytesperline (%d) must be 4-byte aligned\n",
1116 ZR_DEVNAME(zr), __func__, bytesperline);
1da177e4
LT		 1117 return -EINVAL;
1118 }
1119
7f6adeaf
HV		 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;
1da177e4 1124 zr->overlay_settings.format = fmt;
7f6adeaf 1125 zr->vbuf_bytesperline = bytesperline;
1da177e4
LT		 1126
1127 /* The user should set new window parameters */
1128 zr->overlay_settings.is_set = 0;
1129
1130 return 0;
1131}
1132
1133
e5ee3f64
TP		 1134static 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)
1da177e4 1136{
1da177e4 1137 struct zoran *zr = fh->zr;
7f6adeaf 1138 struct v4l2_clip *vcp = NULL;
1da177e4
LT		 1139 int on, end;
1140
1141
7f6adeaf 1142 if (!zr->vbuf_base) {
1da177e4
LT		 1143 dprintk(1,
1144 KERN_ERR
c61402ba
TP		 1145 "%s: %s - frame buffer has to be set first\n",
1146 ZR_DEVNAME(zr), __func__);
1da177e4
LT		 1147 return -EINVAL;
1148 }
1149
1150 if (!fh->overlay_settings.format) {
1151 dprintk(1,
1152 KERN_ERR
c61402ba
TP		 1153 "%s: %s - no overlay format set\n",
1154 ZR_DEVNAME(zr), __func__);
1da177e4
LT		 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 */
7f6adeaf 1162 if (zr->vbuf_depth == 15 || zr->vbuf_depth == 16) {
1da177e4
LT		 1163 end = (x + width) & ~1; /* round down */
1164 x = (x + 1) & ~1; /* round up */
1165 width = end - x;
1166 }
1167
7f6adeaf 1168 if (zr->vbuf_depth == 24) {
1da177e4
LT		 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
817f2c84 1179 /* Check for invalid parameters */
1da177e4
LT		 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
c61402ba
TP		 1184 "%s: %s - width = %d or height = %d invalid\n",
1185 ZR_DEVNAME(zr), __func__, width, height);
1da177e4
LT		 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 */
7f6adeaf 1223 vcp = vmalloc(sizeof(struct v4l2_clip) * (clipcount + 4));
1da177e4
LT		 1224 if (vcp == NULL) {
1225 dprintk(1,
1226 KERN_ERR
c61402ba
TP		 1227 "%s: %s - Alloc of clip mask failed\n",
1228 ZR_DEVNAME(zr), __func__);
1da177e4
LT		 1229 return -ENOMEM;
1230 }
1231 if (copy_from_user
7f6adeaf 1232 (vcp, clips, sizeof(struct v4l2_clip) * clipcount)) {
1da177e4
LT		 1233 vfree(vcp);
1234 return -EFAULT;
1235 }
e5ee3f64 1236 write_overlay_mask(fh, vcp, clipcount);
1da177e4
LT		 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
e5ee3f64 1252static int setup_overlay(struct zoran_fh *fh, int on)
1da177e4 1253{
1da177e4
LT		 1254 struct zoran *zr = fh->zr;
1255
25985edc 1256 /* If there is nothing to do, return immediately */
1da177e4
LT		 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
c61402ba
TP		 1266 "%s: %s - overlay is already active for another session\n",
1267 ZR_DEVNAME(zr), __func__);
1da177e4
LT		 1268 return -EBUSY;
1269 }
1270 if (!on && zr->overlay_active != ZORAN_FREE &&
1271 fh->overlay_active == ZORAN_FREE) {
1272 dprintk(1,
1273 KERN_ERR
c61402ba
TP		 1274 "%s: %s - you cannot cancel someone else's session\n",
1275 ZR_DEVNAME(zr), __func__);
1da177e4
LT		 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 {
7f6adeaf 1288 if (!zr->vbuf_base || !fh->overlay_settings.is_set) {
1da177e4
LT		 1289 dprintk(1,
1290 KERN_ERR
c61402ba
TP		 1291 "%s: %s - buffer or window not set\n",
1292 ZR_DEVNAME(zr), __func__);
1da177e4
LT		 1293 return -EINVAL;
1294 }
1295 if (!fh->overlay_settings.format) {
1296 dprintk(1,
1297 KERN_ERR
c61402ba
TP		 1298 "%s: %s - no overlay format set\n",
1299 ZR_DEVNAME(zr), __func__);
1da177e4
LT		 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
e5ee3f64
TP		 1316/* get the status of a buffer in the clients buffer queue */
1317static int zoran_v4l2_buffer_status(struct zoran_fh *fh,
1318 struct v4l2_buffer *buf, int num)
1da177e4 1319{
1da177e4 1320 struct zoran *zr = fh->zr;
1159b7f1 1321 unsigned long flags;
1da177e4
LT		 1322
1323 buf->flags = V4L2_BUF_FLAG_MAPPED;
1324
1325 switch (fh->map_mode) {
1326 case ZORAN_MAP_MODE_RAW:
1da177e4 1327 /* check range */
1159b7f1
TP		 1328 if (num < 0 || num >= fh->buffers.num_buffers ||
1329 !fh->buffers.allocated) {
1da177e4
LT		 1330 dprintk(1,
1331 KERN_ERR
c61402ba
TP		 1332 "%s: %s - wrong number or buffers not allocated\n",
1333 ZR_DEVNAME(zr), __func__);
1da177e4
LT		 1334 return -EINVAL;
1335 }
1336
1159b7f1
TP		 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
1da177e4 1347 buf->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1159b7f1 1348 buf->length = fh->buffers.buffer_size;
1da177e4
LT		 1349
1350 /* get buffer */
1159b7f1
TP		 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;
1da177e4 1355 buf->flags |= V4L2_BUF_FLAG_DONE;
1159b7f1 1356 buf->timestamp = fh->buffers.buffer[num].bs.timestamp;
1da177e4
LT		 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 */
1159b7f1
TP		 1372 if (num < 0 || num >= fh->buffers.num_buffers ||
1373 !fh->buffers.allocated) {
1da177e4
LT		 1374 dprintk(1,
1375 KERN_ERR
c61402ba
TP		 1376 "%s: %s - wrong number or buffers not allocated\n",
1377 ZR_DEVNAME(zr), __func__);
1da177e4
LT		 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;
1159b7f1 1384 buf->length = fh->buffers.buffer_size;
1da177e4
LT		 1385
1386 /* these variables are only written after frame has been captured */
1159b7f1
TP		 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;
1da177e4
LT		 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)
1159b7f1
TP		 1399 buf->field = fh->jpg_settings.odd_even ?
1400 V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM;
1da177e4 1401 else
1159b7f1
TP		 1402 buf->field = fh->jpg_settings.odd_even ?
1403 V4L2_FIELD_SEQ_TB : V4L2_FIELD_SEQ_BT;
1da177e4
LT		 1404
1405 break;
1406
1407 default:
1408
1409 dprintk(5,
1410 KERN_ERR
c61402ba
TP		 1411 "%s: %s - invalid buffer type|map_mode (%d|%d)\n",
1412 ZR_DEVNAME(zr), __func__, buf->type, fh->map_mode);
1da177e4
LT		 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}
1da177e4
LT		 1422
1423static int
1424zoran_set_norm (struct zoran *zr,
107063c6 1425 v4l2_std_id norm)
1da177e4 1426{
107063c6 1427 int on;
1da177e4
LT		 1428
1429 if (zr->v4l_buffers.active != ZORAN_FREE ||
1430 zr->jpg_buffers.active != ZORAN_FREE) {
1431 dprintk(1,
1432 KERN_WARNING
c61402ba
TP		 1433 "%s: %s called while in playback/capture mode\n",
1434 ZR_DEVNAME(zr), __func__);
1da177e4
LT		 1435 return -EBUSY;
1436 }
1437
107063c6 1438 if (!(norm & zr->card.norms)) {
1da177e4 1439 dprintk(1,
c61402ba
TP		 1440 KERN_ERR "%s: %s - unsupported norm %llx\n",
1441 ZR_DEVNAME(zr), __func__, norm);
1da177e4
LT		 1442 return -EINVAL;
1443 }
1444
107063c6 1445 if (norm == V4L2_STD_ALL) {
db1b7265 1446 unsigned int status = 0;
107063c6 1447 v4l2_std_id std = 0;
1da177e4 1448
0ab6e1c3 1449 decoder_call(zr, video, querystd, &std);
f41737ec 1450 decoder_call(zr, core, s_std, std);
1da177e4
LT		 1451
1452 /* let changes come into effect */
1453 ssleep(2);
1454
0ab6e1c3 1455 decoder_call(zr, video, g_input_status, &status);
107063c6 1456 if (status & V4L2_IN_ST_NO_SIGNAL) {
1da177e4
LT		 1457 dprintk(1,
1458 KERN_ERR
c61402ba
TP		 1459 "%s: %s - no norm detected\n",
1460 ZR_DEVNAME(zr), __func__);
1da177e4 1461 /* reset norm */
f41737ec 1462 decoder_call(zr, core, s_std, zr->norm);
1da177e4
LT		 1463 return -EIO;
1464 }
1465
107063c6 1466 norm = std;
1da177e4 1467 }
107063c6
HV		 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];
1da177e4
LT		 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
f41737ec 1481 decoder_call(zr, core, s_std, norm);
0ab6e1c3 1482 encoder_call(zr, video, s_std_output, norm);
1da177e4
LT		 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
1493static int
1494zoran_set_input (struct zoran *zr,
1495 int input)
1496{
1da177e4
LT		 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
c61402ba
TP		 1505 "%s: %s called while in playback/capture mode\n",
1506 ZR_DEVNAME(zr), __func__);
1da177e4
LT		 1507 return -EBUSY;
1508 }
1509
1510 if (input < 0 || input >= zr->card.inputs) {
1511 dprintk(1,
1512 KERN_ERR
c61402ba
TP		 1513 "%s: %s - unnsupported input %d\n",
1514 ZR_DEVNAME(zr), __func__, input);
1da177e4
LT		 1515 return -EINVAL;
1516 }
1517
1da177e4
LT		 1518 zr->input = input;
1519
5325b427
HV		 1520 decoder_call(zr, video, s_routing,
1521 zr->card.input[input].muxsel, 0, 0);
1da177e4
LT		 1522
1523 return 0;
1524}
1525
1526/*
1527 * ioctl routine
1528 */
1529
96b8e145
HV		 1530static 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;
1da177e4 1534
96b8e145
HV		 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));
602dd48a
HV		 1540 cap->capabilities = V4L2_CAP_STREAMING | V4L2_CAP_VIDEO_CAPTURE |
1541 V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_VIDEO_OVERLAY;
96b8e145
HV		 1542 return 0;
1543}
1da177e4 1544
96b8e145
HV		 1545static int zoran_enum_fmt(struct zoran *zr, struct v4l2_fmtdesc *fmt, int flag)
1546{
171f48e2
TP		 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);
42b2aa86 1553 /* fmt struct pre-zeroed, so adding '\0' not needed */
171f48e2
TP		 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 }
1da177e4 1559 }
171f48e2 1560 return -EINVAL;
96b8e145 1561}
1da177e4 1562
96b8e145
HV		 1563static 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;
1da177e4 1568
96b8e145
HV		 1569 return zoran_enum_fmt(zr, f, ZORAN_FORMAT_CAPTURE);
1570}
1da177e4 1571
96b8e145
HV		 1572static 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;
1da177e4 1577
96b8e145
HV		 1578 return zoran_enum_fmt(zr, f, ZORAN_FORMAT_PLAYBACK);
1579}
1da177e4 1580
96b8e145
HV		 1581static 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;
1da177e4 1586
96b8e145
HV		 1587 return zoran_enum_fmt(zr, f, ZORAN_FORMAT_OVERLAY);
1588}
1da177e4 1589
96b8e145
HV		 1590static 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;
1da177e4 1595
96b8e145 1596 mutex_lock(&zr->resource_lock);
1da177e4 1597
96b8e145 1598 fmt->fmt.pix.width = fh->jpg_settings.img_width / fh->jpg_settings.HorDcm;
5ca75b00 1599 fmt->fmt.pix.height = fh->jpg_settings.img_height * 2 /
96b8e145
HV		 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 ?
3e66793b 1605 V4L2_FIELD_SEQ_TB : V4L2_FIELD_SEQ_BT);
96b8e145
HV		 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;
1da177e4 1611
96b8e145
HV		 1612 mutex_unlock(&zr->resource_lock);
1613 return 0;
1614}
1da177e4 1615
96b8e145
HV		 1616static 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;
1da177e4 1621
96b8e145
HV		 1622 if (fh->map_mode != ZORAN_MAP_MODE_RAW)
1623 return zoran_g_fmt_vid_out(file, fh, fmt);
1da177e4 1624
96b8e145
HV		 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}
1da177e4 1640
96b8e145
HV		 1641static 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;
1da177e4 1646
96b8e145 1647 mutex_lock(&zr->resource_lock);
1da177e4 1648
96b8e145
HV		 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;
1da177e4 1657
96b8e145
HV		 1658 mutex_unlock(&zr->resource_lock);
1659 return 0;
1660}
1da177e4 1661
96b8e145
HV		 1662static 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;
1da177e4 1667
96b8e145 1668 mutex_lock(&zr->resource_lock);
1da177e4 1669
96b8e145
HV		 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;
1da177e4 1678
96b8e145
HV		 1679 mutex_unlock(&zr->resource_lock);
1680 return 0;
1681}
1da177e4 1682
96b8e145
HV		 1683static 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;
1da177e4 1690
96b8e145
HV		 1691 if (fmt->fmt.pix.pixelformat != V4L2_PIX_FMT_MJPEG)
1692 return -EINVAL;
1da177e4 1693
96b8e145
HV		 1694 mutex_lock(&zr->resource_lock);
1695 settings = fh->jpg_settings;
1da177e4 1696
96b8e145
HV		 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
886fe23d
HV		 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
96b8e145 1726 /* check */
0ba514d5 1727 res = zoran_check_jpg_settings(zr, &settings, 1);
96b8e145
HV		 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);
1da177e4 1741
96b8e145 1742 fmt->fmt.pix.sizeimage = zoran_v4l2_calc_bufsize(&settings);
886fe23d
HV		 1743 fmt->fmt.pix.bytesperline = 0;
1744 fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
96b8e145
HV		 1745tryfmt_unlock_and_return:
1746 mutex_unlock(&zr->resource_lock);
1747 return res;
1748}
1da177e4 1749
96b8e145
HV		 1750static 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;
0ba514d5 1755 int bpp;
96b8e145 1756 int i;
1da177e4 1757
96b8e145
HV		 1758 if (fmt->fmt.pix.pixelformat == V4L2_PIX_FMT_MJPEG)
1759 return zoran_try_fmt_vid_out(file, fh, fmt);
1da177e4 1760
96b8e145 1761 mutex_lock(&zr->resource_lock);
1da177e4 1762
96b8e145
HV		 1763 for (i = 0; i < NUM_FORMATS; i++)
1764 if (zoran_formats[i].fourcc == fmt->fmt.pix.pixelformat)
1765 break;
1da177e4 1766
96b8e145 1767 if (i == NUM_FORMATS) {
384c3689 1768 mutex_unlock(&zr->resource_lock);
96b8e145 1769 return -EINVAL;
1da177e4 1770 }
1da177e4 1771
728f5b93
TP		 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);
96b8e145 1776 mutex_unlock(&zr->resource_lock);
1da177e4 1777
96b8e145
HV		 1778 return 0;
1779}
1da177e4 1780
96b8e145
HV		 1781static 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);
e5ee3f64
TP		 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);
96b8e145
HV		 1799 mutex_unlock(&zr->resource_lock);
1800 return res;
1801}
1da177e4 1802
96b8e145
HV		 1803static 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;
1da177e4 1811
96b8e145
HV		 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;
1da177e4 1818
96b8e145 1819 mutex_lock(&zr->resource_lock);
1da177e4 1820
1159b7f1 1821 if (fh->buffers.allocated) {
96b8e145 1822 dprintk(1, KERN_ERR "%s: VIDIOC_S_FMT - cannot change capture mode\n",
1159b7f1 1823 ZR_DEVNAME(zr));
96b8e145
HV		 1824 res = -EBUSY;
1825 goto sfmtjpg_unlock_and_return;
1826 }
1da177e4 1827
1159b7f1
TP		 1828 settings = fh->jpg_settings;
1829
96b8e145 1830 /* we actually need to set 'real' parameters now */
7f37cc9b 1831 if (fmt->fmt.pix.height * 2 > BUZ_MAX_HEIGHT)
96b8e145
HV		 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
0ba514d5
HV		 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
96b8e145 1859 /* check */
0ba514d5 1860 res = zoran_check_jpg_settings(zr, &settings, 0);
96b8e145
HV		 1861 if (res)
1862 goto sfmtjpg_unlock_and_return;
1863
1864 /* it's ok, so set them */
1865 fh->jpg_settings = settings;
1866
1159b7f1
TP		 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
96b8e145
HV		 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);
96b8e145 1880 fmt->fmt.pix.bytesperline = 0;
1159b7f1 1881 fmt->fmt.pix.sizeimage = fh->buffers.buffer_size;
96b8e145
HV		 1882 fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1883
96b8e145
HV		 1884sfmtjpg_unlock_and_return:
1885 mutex_unlock(&zr->resource_lock);
1886 return res;
1887}
1da177e4 1888
96b8e145
HV		 1889static 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;
1da177e4 1896
96b8e145
HV		 1897 if (fmt->fmt.pix.pixelformat == V4L2_PIX_FMT_MJPEG)
1898 return zoran_s_fmt_vid_out(file, fh, fmt);
1da177e4 1899
96b8e145
HV		 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;
1da177e4 1907 }
1159b7f1 1908
96b8e145 1909 mutex_lock(&zr->resource_lock);
1159b7f1
TP		 1910
1911 if ((fh->map_mode != ZORAN_MAP_MODE_RAW && fh->buffers.allocated) ||
1912 fh->buffers.active != ZORAN_FREE) {
96b8e145
HV		 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
1159b7f1
TP		 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]);
96b8e145
HV		 1927 if (res)
1928 goto sfmtv4l_unlock_and_return;
1929
1159b7f1 1930 /* tell the user the results/missing stuff */
96b8e145
HV		 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;
1da177e4 1938
96b8e145
HV		 1939sfmtv4l_unlock_and_return:
1940 mutex_unlock(&zr->resource_lock);
1941 return res;
1942}
1da177e4 1943
96b8e145
HV		 1944static 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;
1da177e4 1949
96b8e145
HV		 1950 memset(fb, 0, sizeof(*fb));
1951 mutex_lock(&zr->resource_lock);
7f6adeaf
HV		 1952 fb->base = zr->vbuf_base;
1953 fb->fmt.width = zr->vbuf_width;
1954 fb->fmt.height = zr->vbuf_height;
96b8e145
HV		 1955 if (zr->overlay_settings.format)
1956 fb->fmt.pixelformat = fh->overlay_settings.format->fourcc;
7f6adeaf 1957 fb->fmt.bytesperline = zr->vbuf_bytesperline;
96b8e145
HV		 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;
1da177e4 1963
96b8e145
HV		 1964 return 0;
1965}
1da177e4 1966
96b8e145
HV		 1967static 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);
1da177e4 1974
96b8e145
HV		 1975 for (i = 0; i < NUM_FORMATS; i++)
1976 if (zoran_formats[i].fourcc == fb->fmt.pixelformat)
1da177e4 1977 break;
96b8e145
HV		 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;
1da177e4 1983 }
1da177e4 1984
96b8e145 1985 mutex_lock(&zr->resource_lock);
e5ee3f64
TP		 1986 res = setup_fbuffer(fh, fb->base, &zoran_formats[i], fb->fmt.width,
1987 fb->fmt.height, fb->fmt.bytesperline);
96b8e145 1988 mutex_unlock(&zr->resource_lock);
1da177e4 1989
96b8e145
HV		 1990 return res;
1991}
1da177e4 1992
96b8e145
HV		 1993static 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;
1da177e4 1998
96b8e145 1999 mutex_lock(&zr->resource_lock);
e5ee3f64 2000 res = setup_overlay(fh, on);
96b8e145 2001 mutex_unlock(&zr->resource_lock);
1da177e4 2002
96b8e145
HV		 2003 return res;
2004}
1da177e4 2005
84c1b094
HV		 2006static int zoran_streamoff(struct file *file, void *__fh, enum v4l2_buf_type type);
2007
96b8e145
HV		 2008static 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;
1da177e4 2013
96b8e145 2014 if (req->memory != V4L2_MEMORY_MMAP) {
84c1b094 2015 dprintk(2,
96b8e145
HV		 2016 KERN_ERR
2017 "%s: only MEMORY_MMAP capture is supported, not %d\n",
2018 ZR_DEVNAME(zr), req->memory);
2019 return -EINVAL;
2020 }
1da177e4 2021
84c1b094
HV		 2022 if (req->count == 0)
2023 return zoran_streamoff(file, fh, req->type);
1da177e4 2024
84c1b094 2025 mutex_lock(&zr->resource_lock);
1159b7f1 2026 if (fh->buffers.allocated) {
84c1b094 2027 dprintk(2,
1da177e4 2028 KERN_ERR
7f37cc9b 2029 "%s: VIDIOC_REQBUFS - buffers already allocated\n",
96b8e145
HV		 2030 ZR_DEVNAME(zr));
2031 res = -EBUSY;
2032 goto v4l2reqbuf_unlock_and_return;
1da177e4 2033 }
1da177e4 2034
96b8e145 2035 if (fh->map_mode == ZORAN_MAP_MODE_RAW &&
1159b7f1 2036 req->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
96b8e145
HV		 2037 /* control user input */
2038 if (req->count < 2)
2039 req->count = 2;
2040 if (req->count > v4l_nbufs)
2041 req->count = v4l_nbufs;
1159b7f1
TP		 2042
2043 /* The next mmap will map the V4L buffers */
2044 map_mode_raw(fh);
2045 fh->buffers.num_buffers = req->count;
1da177e4 2046
e5ee3f64 2047 if (v4l_fbuffer_alloc(fh)) {
96b8e145
HV		 2048 res = -ENOMEM;
2049 goto v4l2reqbuf_unlock_and_return;
2050 }
96b8e145 2051 } else if (fh->map_mode == ZORAN_MAP_MODE_JPG_REC ||
1159b7f1 2052 fh->map_mode == ZORAN_MAP_MODE_JPG_PLAY) {
96b8e145
HV		 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;
1159b7f1
TP		 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);
1da177e4 2063
e5ee3f64 2064 if (jpg_fbuffer_alloc(fh)) {
96b8e145
HV		 2065 res = -ENOMEM;
2066 goto v4l2reqbuf_unlock_and_return;
2067 }
96b8e145
HV		 2068 } else {
2069 dprintk(1,
1da177e4 2070 KERN_ERR
96b8e145
HV		 2071 "%s: VIDIOC_REQBUFS - unknown type %d\n",
2072 ZR_DEVNAME(zr), req->type);
2073 res = -EINVAL;
2074 goto v4l2reqbuf_unlock_and_return;
1da177e4 2075 }
96b8e145
HV		 2076v4l2reqbuf_unlock_and_return:
2077 mutex_unlock(&zr->resource_lock);
1da177e4 2078
96b8e145
HV		 2079 return res;
2080}
1da177e4 2081
96b8e145
HV		 2082static 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;
9cfb6a3f 2086 int res;
1da177e4 2087
96b8e145 2088 mutex_lock(&zr->resource_lock);
e276f7b5 2089 res = zoran_v4l2_buffer_status(fh, buf, buf->index);
96b8e145 2090 mutex_unlock(&zr->resource_lock);
1da177e4 2091
96b8e145
HV		 2092 return res;
2093}
1da177e4 2094
96b8e145
HV		 2095static 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;
1da177e4 2100
96b8e145 2101 mutex_lock(&zr->resource_lock);
1da177e4 2102
96b8e145
HV		 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);
1da177e4 2109 res = -EINVAL;
96b8e145 2110 goto qbuf_unlock_and_return;
1da177e4 2111 }
1da177e4 2112
e5ee3f64 2113 res = zoran_v4l_queue_frame(fh, buf->index);
96b8e145
HV		 2114 if (res)
2115 goto qbuf_unlock_and_return;
1159b7f1 2116 if (!zr->v4l_memgrab_active && fh->buffers.active == ZORAN_LOCKED)
96b8e145 2117 zr36057_set_memgrab(zr, 1);
1da177e4
LT		 2118 break;
2119
96b8e145
HV		 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;
1da177e4
LT		 2128 }
2129
96b8e145
HV		 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;
1da177e4
LT		 2136 }
2137
e5ee3f64 2138 res = zoran_jpg_queue_frame(fh, buf->index, codec_mode);
96b8e145
HV		 2139 if (res != 0)
2140 goto qbuf_unlock_and_return;
2141 if (zr->codec_mode == BUZ_MODE_IDLE &&
1159b7f1 2142 fh->buffers.active == ZORAN_LOCKED)
96b8e145 2143 zr36057_enable_jpg(zr, codec_mode);
1159b7f1 2144
96b8e145 2145 break;
1da177e4 2146
96b8e145
HV		 2147 default:
2148 dprintk(1, KERN_ERR
2149 "%s: VIDIOC_QBUF - unsupported type %d\n",
2150 ZR_DEVNAME(zr), buf->type);
2151 res = -EINVAL;
1da177e4 2152 break;
96b8e145
HV		 2153 }
2154qbuf_unlock_and_return:
2155 mutex_unlock(&zr->resource_lock);
1da177e4 2156
96b8e145
HV		 2157 return res;
2158}
1da177e4 2159
96b8e145
HV		 2160static 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 (?) */
1da177e4 2165
96b8e145 2166 mutex_lock(&zr->resource_lock);
1da177e4 2167
96b8e145
HV		 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;
1da177e4
LT		 2176 }
2177
96b8e145
HV		 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;
1da177e4 2183 }
e5ee3f64 2184 res = v4l_sync(fh, num);
96b8e145
HV		 2185 if (res)
2186 goto dqbuf_unlock_and_return;
2187 zr->v4l_sync_tail++;
e276f7b5 2188 res = zoran_v4l2_buffer_status(fh, buf, num);
1da177e4
LT		 2189 break;
2190
96b8e145
HV		 2191 case ZORAN_MAP_MODE_JPG_REC:
2192 case ZORAN_MAP_MODE_JPG_PLAY:
1da177e4 2193 {
96b8e145 2194 struct zoran_sync bs;
1da177e4 2195
96b8e145
HV		 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;
1da177e4 2200
96b8e145
HV		 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;
1da177e4
LT		 2207 }
2208
96b8e145 2209 num = zr->jpg_pend[zr->jpg_que_tail & BUZ_MASK_FRAME];
1da177e4 2210
96b8e145
HV		 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 }
1a5e5af0 2216 bs.frame = 0; /* suppress compiler warning */
e5ee3f64 2217 res = jpg_sync(fh, &bs);
96b8e145
HV		 2218 if (res)
2219 goto dqbuf_unlock_and_return;
e276f7b5 2220 res = zoran_v4l2_buffer_status(fh, buf, bs.frame);
96b8e145 2221 break;
1da177e4 2222 }
96b8e145
HV		 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;
1da177e4 2229 break;
96b8e145
HV		 2230 }
2231dqbuf_unlock_and_return:
2232 mutex_unlock(&zr->resource_lock);
1da177e4 2233
96b8e145
HV		 2234 return res;
2235}
1da177e4 2236
96b8e145
HV		 2237static 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;
1da177e4 2242
96b8e145 2243 mutex_lock(&zr->resource_lock);
1da177e4 2244
96b8e145
HV		 2245 switch (fh->map_mode) {
2246 case ZORAN_MAP_MODE_RAW: /* raw capture */
2247 if (zr->v4l_buffers.active != ZORAN_ACTIVE ||
1159b7f1 2248 fh->buffers.active != ZORAN_ACTIVE) {
96b8e145
HV		 2249 res = -EBUSY;
2250 goto strmon_unlock_and_return;
1da177e4
LT		 2251 }
2252
1159b7f1 2253 zr->v4l_buffers.active = fh->buffers.active = ZORAN_LOCKED;
96b8e145
HV		 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 }
1da177e4
LT		 2261 break;
2262
96b8e145
HV		 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 ||
1159b7f1 2267 fh->buffers.active != ZORAN_ACTIVE) {
96b8e145
HV		 2268 res = -EBUSY;
2269 goto strmon_unlock_and_return;
2270 }
1da177e4 2271
1159b7f1 2272 zr->jpg_buffers.active = fh->buffers.active = ZORAN_LOCKED;
1da177e4 2273
96b8e145
HV		 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);
1da177e4 2277 }
96b8e145 2278 break;
1da177e4 2279
96b8e145
HV		 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;
1da177e4 2286 break;
96b8e145
HV		 2287 }
2288strmon_unlock_and_return:
2289 mutex_unlock(&zr->resource_lock);
1da177e4 2290
96b8e145
HV		 2291 return res;
2292}
2293
2294static 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;
1159b7f1 2299 unsigned long flags;
1da177e4 2300
96b8e145 2301 mutex_lock(&zr->resource_lock);
1da177e4 2302
96b8e145
HV		 2303 switch (fh->map_mode) {
2304 case ZORAN_MAP_MODE_RAW: /* raw capture */
1159b7f1 2305 if (fh->buffers.active == ZORAN_FREE &&
96b8e145
HV		 2306 zr->v4l_buffers.active != ZORAN_FREE) {
2307 res = -EPERM; /* stay off other's settings! */
2308 goto strmoff_unlock_and_return;
1da177e4 2309 }
96b8e145
HV		 2310 if (zr->v4l_buffers.active == ZORAN_FREE)
2311 goto strmoff_unlock_and_return;
1da177e4 2312
1159b7f1 2313 spin_lock_irqsave(&zr->spinlock, flags);
96b8e145
HV		 2314 /* unload capture */
2315 if (zr->v4l_memgrab_active) {
1da177e4 2316
96b8e145 2317 zr36057_set_memgrab(zr, 0);
1da177e4 2318 }
1da177e4 2319
1159b7f1 2320 for (i = 0; i < fh->buffers.num_buffers; i++)
96b8e145 2321 zr->v4l_buffers.buffer[i].state = BUZ_STATE_USER;
1159b7f1 2322 fh->buffers = zr->v4l_buffers;
1da177e4 2323
1159b7f1 2324 zr->v4l_buffers.active = fh->buffers.active = ZORAN_FREE;
1da177e4 2325
96b8e145
HV		 2326 zr->v4l_grab_seq = 0;
2327 zr->v4l_pend_head = zr->v4l_pend_tail = 0;
2328 zr->v4l_sync_tail = 0;
1da177e4 2329
1159b7f1
TP		 2330 spin_unlock_irqrestore(&zr->spinlock, flags);
2331
96b8e145 2332 break;
1da177e4 2333
96b8e145
HV		 2334 case ZORAN_MAP_MODE_JPG_REC:
2335 case ZORAN_MAP_MODE_JPG_PLAY:
1159b7f1 2336 if (fh->buffers.active == ZORAN_FREE &&
96b8e145
HV		 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
e5ee3f64 2344 res = jpg_qbuf(fh, -1,
96b8e145
HV		 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;
1da177e4 2356 break;
96b8e145
HV		 2357 }
2358strmoff_unlock_and_return:
2359 mutex_unlock(&zr->resource_lock);
1da177e4 2360
96b8e145
HV		 2361 return res;
2362}
1da177e4 2363
96b8e145
HV		 2364static int zoran_queryctrl(struct file *file, void *__fh,
2365 struct v4l2_queryctrl *ctrl)
2366{
107063c6
HV		 2367 struct zoran_fh *fh = __fh;
2368 struct zoran *zr = fh->zr;
2369
96b8e145
HV		 2370 /* we only support hue/saturation/contrast/brightness */
2371 if (ctrl->id < V4L2_CID_BRIGHTNESS ||
2372 ctrl->id > V4L2_CID_HUE)
2373 return -EINVAL;
1da177e4 2374
0ab6e1c3 2375 decoder_call(zr, core, queryctrl, ctrl);
1da177e4 2376
96b8e145
HV		 2377 return 0;
2378}
1da177e4 2379
96b8e145
HV		 2380static 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;
1da177e4 2384
96b8e145
HV		 2385 /* we only support hue/saturation/contrast/brightness */
2386 if (ctrl->id < V4L2_CID_BRIGHTNESS ||
2387 ctrl->id > V4L2_CID_HUE)
2388 return -EINVAL;
1da177e4 2389
96b8e145 2390 mutex_lock(&zr->resource_lock);
0ab6e1c3 2391 decoder_call(zr, core, g_ctrl, ctrl);
96b8e145 2392 mutex_unlock(&zr->resource_lock);
1da177e4 2393
96b8e145
HV		 2394 return 0;
2395}
1da177e4 2396
96b8e145
HV		 2397static 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;
1da177e4 2401
96b8e145
HV		 2402 /* we only support hue/saturation/contrast/brightness */
2403 if (ctrl->id < V4L2_CID_BRIGHTNESS ||
2404 ctrl->id > V4L2_CID_HUE)
2405 return -EINVAL;
1da177e4 2406
96b8e145 2407 mutex_lock(&zr->resource_lock);
0ab6e1c3 2408 decoder_call(zr, core, s_ctrl, ctrl);
96b8e145 2409 mutex_unlock(&zr->resource_lock);
1da177e4 2410
96b8e145
HV		 2411 return 0;
2412}
1da177e4 2413
96b8e145
HV		 2414static 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;
96b8e145
HV		 2418
2419 mutex_lock(&zr->resource_lock);
107063c6 2420 *std = zr->norm;
96b8e145 2421 mutex_unlock(&zr->resource_lock);
96b8e145
HV		 2422 return 0;
2423}
1da177e4 2424
96b8e145
HV		 2425static 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;
107063c6 2429 int res = 0;
1da177e4 2430
96b8e145 2431 mutex_lock(&zr->resource_lock);
107063c6 2432 res = zoran_set_norm(zr, *std);
96b8e145
HV		 2433 if (res)
2434 goto sstd_unlock_and_return;
1da177e4 2435
96b8e145
HV		 2436 res = wait_grab_pending(zr);
2437sstd_unlock_and_return:
2438 mutex_unlock(&zr->resource_lock);
2439 return res;
2440}
1da177e4 2441
96b8e145
HV		 2442static 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;
1da177e4 2447
f14a2972 2448 if (inp->index >= zr->card.inputs)
96b8e145 2449 return -EINVAL;
1da177e4 2450
96b8e145
HV		 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;
1da177e4 2455
96b8e145
HV		 2456 /* Get status of video decoder */
2457 mutex_lock(&zr->resource_lock);
0ab6e1c3 2458 decoder_call(zr, video, g_input_status, &inp->status);
96b8e145 2459 mutex_unlock(&zr->resource_lock);
96b8e145
HV		 2460 return 0;
2461}
1da177e4 2462
96b8e145
HV		 2463static 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;
1da177e4 2467
96b8e145
HV		 2468 mutex_lock(&zr->resource_lock);
2469 *input = zr->input;
2470 mutex_unlock(&zr->resource_lock);
1da177e4 2471
96b8e145
HV		 2472 return 0;
2473}
1da177e4 2474
96b8e145
HV		 2475static 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;
1da177e4 2480
96b8e145
HV		 2481 mutex_lock(&zr->resource_lock);
2482 res = zoran_set_input(zr, input);
2483 if (res)
2484 goto sinput_unlock_and_return;
1da177e4 2485
96b8e145
HV		 2486 /* Make sure the changes come into effect */
2487 res = wait_grab_pending(zr);
2488sinput_unlock_and_return:
2489 mutex_unlock(&zr->resource_lock);
2490 return res;
2491}
1da177e4 2492
96b8e145
HV		 2493static int zoran_enum_output(struct file *file, void *__fh,
2494 struct v4l2_output *outp)
2495{
2496 if (outp->index != 0)
2497 return -EINVAL;
1da177e4 2498
96b8e145
HV		 2499 outp->index = 0;
2500 outp->type = V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY;
2501 strncpy(outp->name, "Autodetect", sizeof(outp->name)-1);
1da177e4 2502
96b8e145
HV		 2503 return 0;
2504}
1da177e4 2505
96b8e145
HV		 2506static int zoran_g_output(struct file *file, void *__fh, unsigned int *output)
2507{
2508 *output = 0;
2509
2510 return 0;
2511}
1da177e4 2512
96b8e145
HV		 2513static int zoran_s_output(struct file *file, void *__fh, unsigned int output)
2514{
2515 if (output != 0)
2516 return -EINVAL;
1da177e4 2517
96b8e145
HV		 2518 return 0;
2519}
1da177e4 2520
96b8e145
HV		 2521/* cropping (sub-frame capture) */
2522static 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;
1da177e4 2528
96b8e145
HV		 2529 memset(cropcap, 0, sizeof(*cropcap));
2530 cropcap->type = type;
1da177e4 2531
96b8e145 2532 mutex_lock(&zr->resource_lock);
1da177e4 2533
96b8e145
HV		 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",
1da177e4 2539 ZR_DEVNAME(zr));
96b8e145
HV		 2540 res = -EINVAL;
2541 goto cropcap_unlock_and_return;
2542 }
1da177e4 2543
96b8e145
HV		 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;
2550cropcap_unlock_and_return:
2551 mutex_unlock(&zr->resource_lock);
2552 return res;
2553}
1da177e4 2554
96b8e145
HV		 2555static 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;
1da177e4 2560
96b8e145
HV		 2561 memset(crop, 0, sizeof(*crop));
2562 crop->type = type;
1da177e4 2563
96b8e145 2564 mutex_lock(&zr->resource_lock);
1da177e4 2565
96b8e145
HV		 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;
1da177e4 2575 }
1da177e4 2576
96b8e145
HV		 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;
1da177e4 2581
96b8e145
HV		 2582gcrop_unlock_and_return:
2583 mutex_unlock(&zr->resource_lock);
1da177e4 2584
96b8e145
HV		 2585 return res;
2586}
1da177e4 2587
96b8e145
HV		 2588static 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;
1da177e4 2594
96b8e145 2595 settings = fh->jpg_settings;
1da177e4 2596
96b8e145 2597 mutex_lock(&zr->resource_lock);
1da177e4 2598
1159b7f1 2599 if (fh->buffers.allocated) {
96b8e145
HV		 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;
1da177e4 2605 }
1da177e4 2606
96b8e145
HV		 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 }
1da177e4 2616
96b8e145
HV		 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;
1da177e4 2622
96b8e145 2623 /* check validity */
0ba514d5 2624 res = zoran_check_jpg_settings(zr, &settings, 0);
96b8e145
HV		 2625 if (res)
2626 goto scrop_unlock_and_return;
1da177e4 2627
96b8e145
HV		 2628 /* accept */
2629 fh->jpg_settings = settings;
1da177e4 2630
96b8e145
HV		 2631scrop_unlock_and_return:
2632 mutex_unlock(&zr->resource_lock);
2633 return res;
2634}
1da177e4 2635
96b8e145
HV		 2636static 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));
1da177e4 2642
96b8e145 2643 mutex_lock(&zr->resource_lock);
1da177e4 2644
96b8e145
HV		 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;
1da177e4 2657
96b8e145 2658 mutex_unlock(&zr->resource_lock);
1da177e4 2659
96b8e145
HV		 2660 return 0;
2661}
1da177e4 2662
96b8e145
HV		 2663static 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;
1da177e4 2670
96b8e145 2671 settings = fh->jpg_settings;
1da177e4 2672
96b8e145 2673 settings.jpg_comp = *params;
1da177e4 2674
96b8e145 2675 mutex_lock(&zr->resource_lock);
1da177e4 2676
1159b7f1 2677 if (fh->buffers.active != ZORAN_FREE) {
96b8e145
HV		 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;
1da177e4 2683 }
1da177e4 2684
0ba514d5 2685 res = zoran_check_jpg_settings(zr, &settings, 0);
96b8e145
HV		 2686 if (res)
2687 goto sjpegc_unlock_and_return;
1159b7f1
TP		 2688 if (!fh->buffers.allocated)
2689 fh->buffers.buffer_size =
2690 zoran_v4l2_calc_bufsize(&fh->jpg_settings);
96b8e145
HV		 2691 fh->jpg_settings.jpg_comp = *params = settings.jpg_comp;
2692sjpegc_unlock_and_return:
2693 mutex_unlock(&zr->resource_lock);
1da177e4 2694
27f79525 2695 return res;
1da177e4
LT		 2696}
2697
1da177e4
LT		 2698static unsigned int
2699zoran_poll (struct file *file,
2700 poll_table *wait)
2701{
2702 struct zoran_fh *fh = file->private_data;
2703 struct zoran *zr = fh->zr;
1da177e4 2704 int res = 0, frame;
e42af83f 2705 unsigned long flags;
1da177e4
LT		 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
384c3689 2715 mutex_lock(&zr->resource_lock);
1da177e4
LT		 2716
2717 switch (fh->map_mode) {
2718 case ZORAN_MAP_MODE_RAW:
e42af83f
TP		 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",
7e28adb2 2726 ZR_DEVNAME(zr), __func__,
1159b7f1 2727 "FAL"[fh->buffers.active], zr->v4l_sync_tail,
e42af83f
TP		 2728 "UPMD"[zr->v4l_buffers.buffer[frame].state],
2729 zr->v4l_pend_tail, zr->v4l_pend_head);
2730 /* Process is the one capturing? */
1159b7f1 2731 if (fh->buffers.active != ZORAN_FREE &&
e42af83f
TP		 2732 /* Buffer ready to DQBUF? */
2733 zr->v4l_buffers.buffer[frame].state == BUZ_STATE_DONE)
1da177e4 2734 res = POLLIN | POLLRDNORM;
e42af83f
TP		 2735 spin_unlock_irqrestore(&zr->spinlock, flags);
2736
1da177e4
LT		 2737 break;
2738
2739 case ZORAN_MAP_MODE_JPG_REC:
2740 case ZORAN_MAP_MODE_JPG_PLAY:
e42af83f 2741 poll_wait(file, &zr->jpg_capq, wait);
1da177e4 2742 frame = zr->jpg_pend[zr->jpg_que_tail & BUZ_MASK_FRAME];
e42af83f
TP		 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",
7e28adb2 2748 ZR_DEVNAME(zr), __func__,
1159b7f1 2749 "FAL"[fh->buffers.active], zr->jpg_que_tail,
e42af83f
TP		 2750 "UPMD"[zr->jpg_buffers.buffer[frame].state],
2751 zr->jpg_que_head, zr->jpg_dma_tail, zr->jpg_dma_head);
1159b7f1 2752 if (fh->buffers.active != ZORAN_FREE &&
e42af83f 2753 zr->jpg_buffers.buffer[frame].state == BUZ_STATE_DONE) {
1da177e4
LT		 2754 if (fh->map_mode == ZORAN_MAP_MODE_JPG_REC)
2755 res = POLLIN | POLLRDNORM;
2756 else
2757 res = POLLOUT | POLLWRNORM;
2758 }
e42af83f
TP		 2759 spin_unlock_irqrestore(&zr->spinlock, flags);
2760
1da177e4
LT		 2761 break;
2762
2763 default:
2764 dprintk(1,
e42af83f 2765 KERN_ERR
c61402ba
TP		 2766 "%s: %s - internal error, unknown map_mode=%d\n",
2767 ZR_DEVNAME(zr), __func__, fh->map_mode);
1da177e4 2768 res = POLLNVAL;
1da177e4
LT		 2769 }
2770
384c3689 2771 mutex_unlock(&zr->resource_lock);
1da177e4
LT		 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
2789static void
2790zoran_vm_open (struct vm_area_struct *vma)
2791{
2792 struct zoran_mapping *map = vma->vm_private_data;
2793
2794 map->count++;
2795}
2796
2797static void
2798zoran_vm_close (struct vm_area_struct *vma)
2799{
2800 struct zoran_mapping *map = vma->vm_private_data;
e5ee3f64 2801 struct zoran_fh *fh = map->file->private_data;
1da177e4
LT		 2802 struct zoran *zr = fh->zr;
2803 int i;
2804
1159b7f1
TP		 2805 if (--map->count > 0)
2806 return;
1da177e4 2807
1159b7f1
TP		 2808 dprintk(3, KERN_INFO "%s: %s - munmap(%s)\n", ZR_DEVNAME(zr),
2809 __func__, mode_name(fh->map_mode));
1da177e4 2810
1159b7f1
TP		 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);
1da177e4 2816
1159b7f1
TP		 2817 /* Any buffers still mapped? */
2818 for (i = 0; i < fh->buffers.num_buffers; i++)
2819 if (fh->buffers.buffer[i].map)
2820 return;
1da177e4 2821
1159b7f1
TP		 2822 dprintk(3, KERN_INFO "%s: %s - free %s buffers\n", ZR_DEVNAME(zr),
2823 __func__, mode_name(fh->map_mode));
1da177e4 2824
1159b7f1 2825 mutex_lock(&zr->resource_lock);
1da177e4 2826
1159b7f1
TP		 2827 if (fh->map_mode == ZORAN_MAP_MODE_RAW) {
2828 if (fh->buffers.active != ZORAN_FREE) {
2829 unsigned long flags;
1da177e4 2830
1159b7f1
TP		 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 }
e5ee3f64 2837 v4l_fbuffer_free(fh);
1159b7f1
TP		 2838 } else {
2839 if (fh->buffers.active != ZORAN_FREE) {
e5ee3f64 2840 jpg_qbuf(fh, -1, zr->codec_mode);
1159b7f1
TP		 2841 zr->jpg_buffers.allocated = 0;
2842 zr->jpg_buffers.active = fh->buffers.active = ZORAN_FREE;
1da177e4 2843 }
e5ee3f64 2844 jpg_fbuffer_free(fh);
1da177e4 2845 }
1159b7f1
TP		 2846
2847 mutex_unlock(&zr->resource_lock);
1da177e4
LT		 2848}
2849
f0f37e2f 2850static const struct vm_operations_struct zoran_vm_ops = {
1da177e4
LT		 2851 .open = zoran_vm_open,
2852 .close = zoran_vm_close,
2853};
2854
2855static int
2856zoran_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,
c61402ba
TP		 2870 KERN_INFO "%s: %s(%s) of 0x%08lx-0x%08lx (size=%lu)\n",
2871 ZR_DEVNAME(zr), __func__,
1159b7f1 2872 mode_name(fh->map_mode), vma->vm_start, vma->vm_end, size);
1da177e4
LT		 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
c61402ba
TP		 2878 "%s: %s - no MAP_SHARED/PROT_{READ,WRITE} given\n",
2879 ZR_DEVNAME(zr), __func__);
1da177e4
LT		 2880 return -EINVAL;
2881 }
2882
1159b7f1 2883 mutex_lock(&zr->resource_lock);
1da177e4 2884
1159b7f1
TP		 2885 if (!fh->buffers.allocated) {
2886 dprintk(1,
2887 KERN_ERR
c61402ba
TP		 2888 "%s: %s(%s) - buffers not yet allocated\n",
2889 ZR_DEVNAME(zr), __func__, mode_name(fh->map_mode));
1159b7f1
TP		 2890 res = -ENOMEM;
2891 goto mmap_unlock_and_return;
2892 }
1da177e4 2893
1159b7f1
TP		 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
c61402ba
TP		 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,
1159b7f1
TP		 2904 fh->buffers.buffer_size,
2905 fh->buffers.num_buffers);
2906 res = -EINVAL;
2907 goto mmap_unlock_and_return;
2908 }
1da177e4 2909
1159b7f1
TP		 2910 /* Check if any buffers are already mapped */
2911 for (i = first; i <= last; i++) {
2912 if (fh->buffers.buffer[i].map) {
1da177e4
LT		 2913 dprintk(1,
2914 KERN_ERR
c61402ba
TP		 2915 "%s: %s(%s) - buffer %d already mapped\n",
2916 ZR_DEVNAME(zr), __func__, mode_name(fh->map_mode), i);
1159b7f1
TP		 2917 res = -EBUSY;
2918 goto mmap_unlock_and_return;
1da177e4 2919 }
1159b7f1 2920 }
1da177e4 2921
1159b7f1
TP		 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) {
1da177e4 2936 for (i = first; i <= last; i++) {
1159b7f1
TP		 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)) {
1da177e4
LT		 2943 dprintk(1,
2944 KERN_ERR
c61402ba
TP		 2945 "%s: %s(V4L) - remap_pfn_range failed\n",
2946 ZR_DEVNAME(zr), __func__);
1159b7f1
TP		 2947 res = -EAGAIN;
2948 goto mmap_unlock_and_return;
1da177e4 2949 }
1159b7f1
TP		 2950 size -= todo;
2951 start += todo;
2952 fh->buffers.buffer[i].map = map;
2953 if (size == 0)
2954 break;
1da177e4 2955 }
1159b7f1 2956 } else {
1da177e4
LT		 2957 for (i = first; i <= last; i++) {
2958 for (j = 0;
1159b7f1 2959 j < fh->buffers.buffer_size / PAGE_SIZE;
1da177e4
LT		 2960 j++) {
2961 fraglen =
1159b7f1 2962 (le32_to_cpu(fh->buffers.buffer[i].jpg.
1da177e4
LT		 2963 frag_tab[2 * j + 1]) & ~1) << 1;
2964 todo = size;
2965 if (todo > fraglen)
2966 todo = fraglen;
2967 pos =
1159b7f1
TP		 2968 le32_to_cpu(fh->buffers.
2969 buffer[i].jpg.frag_tab[2 * j]);
1da177e4
LT		 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
c61402ba
TP		 2977 "%s: %s(V4L) - remap_pfn_range failed\n",
2978 ZR_DEVNAME(zr), __func__);
1da177e4 2979 res = -EAGAIN;
1159b7f1 2980 goto mmap_unlock_and_return;
1da177e4
LT		 2981 }
2982 size -= todo;
2983 start += todo;
2984 if (size == 0)
2985 break;
1159b7f1 2986 if (le32_to_cpu(fh->buffers.buffer[i].jpg.
1da177e4
LT		 2987 frag_tab[2 * j + 1]) & 1)
2988 break; /* was last fragment */
2989 }
1159b7f1 2990 fh->buffers.buffer[i].map = map;
1da177e4
LT		 2991 if (size == 0)
2992 break;
2993
2994 }
1da177e4
LT		 2995 }
2996
1159b7f1
TP		 2997mmap_unlock_and_return:
2998 mutex_unlock(&zr->resource_lock);
2999
46a7a3cc 3000 return res;
1da177e4
LT		 3001}
3002
96b8e145
HV		 3003static 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,
96b8e145
HV		 3042};
3043
0edf2e5e
AB		 3044/* please use zr->resource_lock consistently and kill this wrapper */
3045static 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
bec43661 3059static const struct v4l2_file_operations zoran_fops = {
1da177e4
LT		 3060 .owner = THIS_MODULE,
3061 .open = zoran_open,
3062 .release = zoran_close,
0edf2e5e 3063 .unlocked_ioctl = zoran_ioctl,
1da177e4
LT		 3064 .read = zoran_read,
3065 .write = zoran_write,
3066 .mmap = zoran_mmap,
3067 .poll = zoran_poll,
3068};
3069
3070struct video_device zoran_template __devinitdata = {
3071 .name = ZORAN_NAME,
1da177e4 3072 .fops = &zoran_fops,
96b8e145 3073 .ioctl_ops = &zoran_ioctl_ops,
1da177e4 3074 .release = &zoran_vdev_release,
96b8e145 3075 .tvnorms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM,
1da177e4
LT		 3076};
3077
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