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path: root/drivers/media/video/compat_ioctl32.c
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Diffstat (limited to 'drivers/media/video/compat_ioctl32.c')
-rw-r--r--drivers/media/video/compat_ioctl32.c732
1 files changed, 732 insertions, 0 deletions
diff --git a/drivers/media/video/compat_ioctl32.c b/drivers/media/video/compat_ioctl32.c
new file mode 100644
index 00000000000..6194b012557
--- /dev/null
+++ b/drivers/media/video/compat_ioctl32.c
@@ -0,0 +1,732 @@
1/*
2 * ioctl32.c: Conversion between 32bit and 64bit native ioctls.
3 * Separated from fs stuff by Arnd Bergmann <arnd@arndb.de>
4 *
5 * Copyright (C) 1997-2000 Jakub Jelinek (jakub@redhat.com)
6 * Copyright (C) 1998 Eddie C. Dost (ecd@skynet.be)
7 * Copyright (C) 2001,2002 Andi Kleen, SuSE Labs
8 * Copyright (C) 2003 Pavel Machek (pavel@suse.cz)
9 * Copyright (C) 2005 Philippe De Muyter (phdm@macqel.be)
10 *
11 * These routines maintain argument size conversion between 32bit and 64bit
12 * ioctls.
13 */
14
15#include <linux/config.h>
16#include <linux/compat.h>
17#include <linux/videodev.h>
18#include <linux/videodev2.h>
19#include <linux/module.h>
20#include <linux/smp_lock.h>
21
22#ifdef CONFIG_COMPAT
23struct video_tuner32 {
24 compat_int_t tuner;
25 char name[32];
26 compat_ulong_t rangelow, rangehigh;
27 u32 flags; /* It is really u32 in videodev.h */
28 u16 mode, signal;
29};
30
31static int get_video_tuner32(struct video_tuner *kp, struct video_tuner32 __user *up)
32{
33 if(get_user(kp->tuner, &up->tuner))
34 return -EFAULT;
35 __copy_from_user(kp->name, up->name, 32);
36 __get_user(kp->rangelow, &up->rangelow);
37 __get_user(kp->rangehigh, &up->rangehigh);
38 __get_user(kp->flags, &up->flags);
39 __get_user(kp->mode, &up->mode);
40 __get_user(kp->signal, &up->signal);
41 return 0;
42}
43
44static int put_video_tuner32(struct video_tuner *kp, struct video_tuner32 __user *up)
45{
46 if(put_user(kp->tuner, &up->tuner))
47 return -EFAULT;
48 __copy_to_user(up->name, kp->name, 32);
49 __put_user(kp->rangelow, &up->rangelow);
50 __put_user(kp->rangehigh, &up->rangehigh);
51 __put_user(kp->flags, &up->flags);
52 __put_user(kp->mode, &up->mode);
53 __put_user(kp->signal, &up->signal);
54 return 0;
55}
56
57struct video_buffer32 {
58 compat_caddr_t base;
59 compat_int_t height, width, depth, bytesperline;
60};
61
62static int get_video_buffer32(struct video_buffer *kp, struct video_buffer32 __user *up)
63{
64 u32 tmp;
65
66 if (get_user(tmp, &up->base))
67 return -EFAULT;
68
69 /* This is actually a physical address stored
70 * as a void pointer.
71 */
72 kp->base = (void *)(unsigned long) tmp;
73
74 __get_user(kp->height, &up->height);
75 __get_user(kp->width, &up->width);
76 __get_user(kp->depth, &up->depth);
77 __get_user(kp->bytesperline, &up->bytesperline);
78 return 0;
79}
80
81static int put_video_buffer32(struct video_buffer *kp, struct video_buffer32 __user *up)
82{
83 u32 tmp = (u32)((unsigned long)kp->base);
84
85 if(put_user(tmp, &up->base))
86 return -EFAULT;
87 __put_user(kp->height, &up->height);
88 __put_user(kp->width, &up->width);
89 __put_user(kp->depth, &up->depth);
90 __put_user(kp->bytesperline, &up->bytesperline);
91 return 0;
92}
93
94struct video_clip32 {
95 s32 x, y, width, height; /* Its really s32 in videodev.h */
96 compat_caddr_t next;
97};
98
99struct video_window32 {
100 u32 x, y, width, height, chromakey, flags;
101 compat_caddr_t clips;
102 compat_int_t clipcount;
103};
104
105static int native_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
106{
107 int ret = -ENOIOCTLCMD;
108
109 if (file->f_op->unlocked_ioctl)
110 ret = file->f_op->unlocked_ioctl(file, cmd, arg);
111 else if (file->f_op->ioctl) {
112 lock_kernel();
113 ret = file->f_op->ioctl(file->f_dentry->d_inode, file, cmd, arg);
114 unlock_kernel();
115 }
116
117 return ret;
118}
119
120
121/* You get back everything except the clips... */
122static int put_video_window32(struct video_window *kp, struct video_window32 __user *up)
123{
124 if(put_user(kp->x, &up->x))
125 return -EFAULT;
126 __put_user(kp->y, &up->y);
127 __put_user(kp->width, &up->width);
128 __put_user(kp->height, &up->height);
129 __put_user(kp->chromakey, &up->chromakey);
130 __put_user(kp->flags, &up->flags);
131 __put_user(kp->clipcount, &up->clipcount);
132 return 0;
133}
134
135struct v4l2_clip32
136{
137 struct v4l2_rect c;
138 compat_caddr_t next;
139};
140
141struct v4l2_window32
142{
143 struct v4l2_rect w;
144 enum v4l2_field field;
145 __u32 chromakey;
146 compat_caddr_t clips; /* actually struct v4l2_clip32 * */
147 __u32 clipcount;
148 compat_caddr_t bitmap;
149};
150
151static int get_v4l2_window32(struct v4l2_window *kp, struct v4l2_window32 __user *up)
152{
153 if (copy_from_user(&kp->w, &up->w, sizeof(up->w)))
154 return -EFAULT;
155 __get_user(kp->field, &up->field);
156 __get_user(kp->chromakey, &up->chromakey);
157 __get_user(kp->clipcount, &up->clipcount);
158 if (kp->clipcount > 2048)
159 return -EINVAL;
160 if (kp->clipcount) {
161 struct v4l2_clip32 *uclips = compat_ptr(up->clips);
162 struct v4l2_clip *kclips;
163 int n = kp->clipcount;
164
165 kclips = compat_alloc_user_space(n * sizeof(struct v4l2_clip));
166 kp->clips = kclips;
167 while (--n >= 0) {
168 copy_from_user(&kclips->c, &uclips->c, sizeof(uclips->c));
169 kclips->next = n ? kclips + 1 : 0;
170 uclips += 1;
171 kclips += 1;
172 }
173 } else
174 kp->clips = 0;
175 return 0;
176}
177
178static int put_v4l2_window32(struct v4l2_window *kp, struct v4l2_window32 __user *up)
179{
180 if (copy_to_user(&up->w, &kp->w, sizeof(up->w)))
181 return -EFAULT;
182 __put_user(kp->field, &up->field);
183 __put_user(kp->chromakey, &up->chromakey);
184 __put_user(kp->clipcount, &up->clipcount);
185 return 0;
186}
187
188static inline int get_v4l2_pix_format(struct v4l2_pix_format *kp, struct v4l2_pix_format __user *up)
189{
190 return copy_from_user(kp, up, sizeof(struct v4l2_pix_format));
191}
192
193static inline int put_v4l2_pix_format(struct v4l2_pix_format *kp, struct v4l2_pix_format __user *up)
194{
195 return copy_to_user(up, kp, sizeof(struct v4l2_pix_format));
196}
197
198static inline int get_v4l2_vbi_format(struct v4l2_vbi_format *kp, struct v4l2_vbi_format __user *up)
199{
200 return copy_from_user(kp, up, sizeof(struct v4l2_vbi_format));
201}
202
203static inline int put_v4l2_vbi_format(struct v4l2_vbi_format *kp, struct v4l2_vbi_format __user *up)
204{
205 return copy_to_user(up, kp, sizeof(struct v4l2_vbi_format));
206}
207
208struct v4l2_format32
209{
210 enum v4l2_buf_type type;
211 union
212 {
213 struct v4l2_pix_format pix; // V4L2_BUF_TYPE_VIDEO_CAPTURE
214 struct v4l2_window32 win; // V4L2_BUF_TYPE_VIDEO_OVERLAY
215 struct v4l2_vbi_format vbi; // V4L2_BUF_TYPE_VBI_CAPTURE
216 __u8 raw_data[200]; // user-defined
217 } fmt;
218};
219
220static int get_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up)
221{
222 if(get_user(kp->type, &up->type))
223 return -EFAULT;
224 switch (kp->type) {
225 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
226 return get_v4l2_pix_format(&kp->fmt.pix, &up->fmt.pix);
227 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
228 return get_v4l2_window32(&kp->fmt.win, &up->fmt.win);
229 case V4L2_BUF_TYPE_VBI_CAPTURE:
230 return get_v4l2_vbi_format(&kp->fmt.vbi, &up->fmt.vbi);
231 default:
232 printk("compat_ioctl : unexpected VIDIOC_FMT type %d\n",
233 kp->type);
234 return -ENXIO;
235 }
236}
237
238static int put_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up)
239{
240 if(put_user(kp->type, &up->type))
241 return -EFAULT;
242 switch (kp->type) {
243 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
244 return put_v4l2_pix_format(&kp->fmt.pix, &up->fmt.pix);
245 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
246 return put_v4l2_window32(&kp->fmt.win, &up->fmt.win);
247 case V4L2_BUF_TYPE_VBI_CAPTURE:
248 return put_v4l2_vbi_format(&kp->fmt.vbi, &up->fmt.vbi);
249 default:
250 return -ENXIO;
251 }
252}
253
254struct v4l2_standard32
255{
256 __u32 index;
257 __u32 id[2]; /* __u64 would get the alignment wrong */
258 __u8 name[24];
259 struct v4l2_fract frameperiod; /* Frames, not fields */
260 __u32 framelines;
261 __u32 reserved[4];
262};
263
264static int get_v4l2_standard32(struct v4l2_standard *kp, struct v4l2_standard32 __user *up)
265{
266 /* other fields are not set by the user, nor used by the driver */
267 return get_user(kp->index, &up->index);
268}
269
270static int put_v4l2_standard32(struct v4l2_standard *kp, struct v4l2_standard32 __user *up)
271{
272 if(put_user(kp->index, &up->index))
273 return -EFAULT;
274 __copy_to_user(up->id, &kp->id, sizeof(__u64));
275 __copy_to_user(up->name, kp->name, 24);
276 __put_user(kp->frameperiod, &up->frameperiod);
277 __put_user(kp->framelines, &up->framelines);
278 __copy_to_user(up->reserved, kp->reserved, 4 * sizeof(__u32));
279 return 0;
280}
281
282struct v4l2_buffer32
283{
284 __u32 index;
285 enum v4l2_buf_type type;
286 __u32 bytesused;
287 __u32 flags;
288 enum v4l2_field field;
289 struct compat_timeval timestamp;
290 struct v4l2_timecode timecode;
291 __u32 sequence;
292
293 /* memory location */
294 enum v4l2_memory memory;
295 union {
296 __u32 offset;
297 compat_long_t userptr;
298 } m;
299 __u32 length;
300 __u32 input;
301 __u32 reserved;
302};
303
304static int get_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user *up)
305{
306
307 if (get_user(kp->index, &up->index))
308 return -EFAULT;
309 __get_user(kp->type, &up->type);
310 __get_user(kp->flags, &up->flags);
311 __get_user(kp->memory, &up->memory);
312 __get_user(kp->input, &up->input);
313 switch(kp->memory) {
314 case V4L2_MEMORY_MMAP:
315 break;
316 case V4L2_MEMORY_USERPTR:
317 {
318 unsigned long tmp = (unsigned long)compat_ptr(up->m.userptr);
319
320 __get_user(kp->length, &up->length);
321 __get_user(kp->m.userptr, &tmp);
322 }
323 break;
324 case V4L2_MEMORY_OVERLAY:
325 __get_user(kp->m.offset, &up->m.offset);
326 break;
327 }
328 return 0;
329}
330
331static int put_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user *up)
332{
333 if (put_user(kp->index, &up->index))
334 return -EFAULT;
335 __put_user(kp->type, &up->type);
336 __put_user(kp->flags, &up->flags);
337 __put_user(kp->memory, &up->memory);
338 __put_user(kp->input, &up->input);
339 switch(kp->memory) {
340 case V4L2_MEMORY_MMAP:
341 __put_user(kp->length, &up->length);
342 __put_user(kp->m.offset, &up->m.offset);
343 break;
344 case V4L2_MEMORY_USERPTR:
345 __put_user(kp->length, &up->length);
346 __put_user(kp->m.userptr, &up->m.userptr);
347 break;
348 case V4L2_MEMORY_OVERLAY:
349 __put_user(kp->m.offset, &up->m.offset);
350 break;
351 }
352 __put_user(kp->bytesused, &up->bytesused);
353 __put_user(kp->field, &up->field);
354 __put_user(kp->timestamp.tv_sec, &up->timestamp.tv_sec);
355 __put_user(kp->timestamp.tv_usec, &up->timestamp.tv_usec);
356 __copy_to_user(&up->timecode, &kp->timecode, sizeof(struct v4l2_timecode));
357 __put_user(kp->sequence, &up->sequence);
358 __put_user(kp->reserved, &up->reserved);
359 return 0;
360}
361
362struct v4l2_framebuffer32
363{
364 __u32 capability;
365 __u32 flags;
366 compat_caddr_t base;
367 struct v4l2_pix_format fmt;
368};
369
370static int get_v4l2_framebuffer32(struct v4l2_framebuffer *kp, struct v4l2_framebuffer32 __user *up)
371{
372 u32 tmp;
373
374 if (get_user(tmp, &up->base))
375 return -EFAULT;
376 kp->base = compat_ptr(tmp);
377 __get_user(kp->capability, &up->capability);
378 __get_user(kp->flags, &up->flags);
379 get_v4l2_pix_format(&kp->fmt, &up->fmt);
380 return 0;
381}
382
383static int put_v4l2_framebuffer32(struct v4l2_framebuffer *kp, struct v4l2_framebuffer32 __user *up)
384{
385 u32 tmp = (u32)((unsigned long)kp->base);
386
387 if(put_user(tmp, &up->base))
388 return -EFAULT;
389 __put_user(kp->capability, &up->capability);
390 __put_user(kp->flags, &up->flags);
391 put_v4l2_pix_format(&kp->fmt, &up->fmt);
392 return 0;
393}
394
395struct v4l2_input32 /* identical layout, but different size */
396{
397 __u32 index; /* Which input */
398 __u8 name[32]; /* Label */
399 __u32 type; /* Type of input */
400 __u32 audioset; /* Associated audios (bitfield) */
401 __u32 tuner; /* Associated tuner */
402 __u32 std[2]; /* __u64 would get the padding wrong */
403 __u32 status;
404 __u32 reserved[4];
405};
406
407#define VIDIOCGTUNER32 _IOWR('v',4, struct video_tuner32)
408#define VIDIOCSTUNER32 _IOW('v',5, struct video_tuner32)
409#define VIDIOCGWIN32 _IOR('v',9, struct video_window32)
410#define VIDIOCSWIN32 _IOW('v',10, struct video_window32)
411#define VIDIOCGFBUF32 _IOR('v',11, struct video_buffer32)
412#define VIDIOCSFBUF32 _IOW('v',12, struct video_buffer32)
413#define VIDIOCGFREQ32 _IOR('v',14, u32)
414#define VIDIOCSFREQ32 _IOW('v',15, u32)
415
416#define VIDIOC_G_FMT32 _IOWR ('V', 4, struct v4l2_format32)
417#define VIDIOC_S_FMT32 _IOWR ('V', 5, struct v4l2_format32)
418#define VIDIOC_QUERYBUF32 _IOWR ('V', 9, struct v4l2_buffer32)
419#define VIDIOC_G_FBUF32 _IOR ('V', 10, struct v4l2_framebuffer32)
420#define VIDIOC_S_FBUF32 _IOW ('V', 11, struct v4l2_framebuffer32)
421/* VIDIOC_OVERLAY is now _IOW, but was _IOWR */
422#define VIDIOC_OVERLAY32 _IOWR ('V', 14, compat_int_t)
423#define VIDIOC_QBUF32 _IOWR ('V', 15, struct v4l2_buffer32)
424#define VIDIOC_DQBUF32 _IOWR ('V', 17, struct v4l2_buffer32)
425#define VIDIOC_STREAMON32 _IOW ('V', 18, compat_int_t)
426#define VIDIOC_STREAMOFF32 _IOW ('V', 19, compat_int_t)
427#define VIDIOC_ENUMSTD32 _IOWR ('V', 25, struct v4l2_standard32)
428#define VIDIOC_ENUMINPUT32 _IOWR ('V', 26, struct v4l2_input32)
429/* VIDIOC_S_CTRL is now _IOWR, but was _IOW */
430#define VIDIOC_S_CTRL32 _IOW ('V', 28, struct v4l2_control)
431#define VIDIOC_G_INPUT32 _IOR ('V', 38, compat_int_t)
432#define VIDIOC_S_INPUT32 _IOWR ('V', 39, compat_int_t)
433#define VIDIOC_TRY_FMT32 _IOWR ('V', 64, struct v4l2_format32)
434
435enum {
436 MaxClips = (~0U-sizeof(struct video_window))/sizeof(struct video_clip)
437};
438
439static int do_set_window(struct file *file, unsigned int cmd, unsigned long arg)
440{
441 struct video_window32 __user *up = compat_ptr(arg);
442 struct video_window __user *vw;
443 struct video_clip __user *p;
444 int nclips;
445 u32 n;
446
447 if (get_user(nclips, &up->clipcount))
448 return -EFAULT;
449
450 /* Peculiar interface... */
451 if (nclips < 0)
452 nclips = VIDEO_CLIPMAP_SIZE;
453
454 if (nclips > MaxClips)
455 return -ENOMEM;
456
457 vw = compat_alloc_user_space(sizeof(struct video_window) +
458 nclips * sizeof(struct video_clip));
459
460 p = nclips ? (struct video_clip __user *)(vw + 1) : NULL;
461
462 if (get_user(n, &up->x) || put_user(n, &vw->x) ||
463 get_user(n, &up->y) || put_user(n, &vw->y) ||
464 get_user(n, &up->width) || put_user(n, &vw->width) ||
465 get_user(n, &up->height) || put_user(n, &vw->height) ||
466 get_user(n, &up->chromakey) || put_user(n, &vw->chromakey) ||
467 get_user(n, &up->flags) || put_user(n, &vw->flags) ||
468 get_user(n, &up->clipcount) || put_user(n, &vw->clipcount) ||
469 get_user(n, &up->clips) || put_user(p, &vw->clips))
470 return -EFAULT;
471
472 if (nclips) {
473 struct video_clip32 __user *u = compat_ptr(n);
474 int i;
475 if (!u)
476 return -EINVAL;
477 for (i = 0; i < nclips; i++, u++, p++) {
478 s32 v;
479 if (get_user(v, &u->x) ||
480 put_user(v, &p->x) ||
481 get_user(v, &u->y) ||
482 put_user(v, &p->y) ||
483 get_user(v, &u->width) ||
484 put_user(v, &p->width) ||
485 get_user(v, &u->height) ||
486 put_user(v, &p->height) ||
487 put_user(NULL, &p->next))
488 return -EFAULT;
489 }
490 }
491
492 return native_ioctl(file, VIDIOCSWIN, (unsigned long)vw);
493}
494
495static int do_video_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
496{
497 union {
498 struct video_tuner vt;
499 struct video_buffer vb;
500 struct video_window vw;
501 struct v4l2_format v2f;
502 struct v4l2_buffer v2b;
503 struct v4l2_framebuffer v2fb;
504 struct v4l2_standard v2s;
505 unsigned long vx;
506 } karg;
507 void __user *up = compat_ptr(arg);
508 int compatible_arg = 1;
509 int err = 0;
510
511 /* First, convert the command. */
512 switch(cmd) {
513 case VIDIOCGTUNER32: cmd = VIDIOCGTUNER; break;
514 case VIDIOCSTUNER32: cmd = VIDIOCSTUNER; break;
515 case VIDIOCGWIN32: cmd = VIDIOCGWIN; break;
516 case VIDIOCGFBUF32: cmd = VIDIOCGFBUF; break;
517 case VIDIOCSFBUF32: cmd = VIDIOCSFBUF; break;
518 case VIDIOCGFREQ32: cmd = VIDIOCGFREQ; break;
519 case VIDIOCSFREQ32: cmd = VIDIOCSFREQ; break;
520 case VIDIOC_G_FMT32: cmd = VIDIOC_G_FMT; break;
521 case VIDIOC_S_FMT32: cmd = VIDIOC_S_FMT; break;
522 case VIDIOC_QUERYBUF32: cmd = VIDIOC_QUERYBUF; break;
523 case VIDIOC_QBUF32: cmd = VIDIOC_QBUF; break;
524 case VIDIOC_DQBUF32: cmd = VIDIOC_DQBUF; break;
525 case VIDIOC_STREAMON32: cmd = VIDIOC_STREAMON; break;
526 case VIDIOC_STREAMOFF32: cmd = VIDIOC_STREAMOFF; break;
527 case VIDIOC_G_FBUF32: cmd = VIDIOC_G_FBUF; break;
528 case VIDIOC_S_FBUF32: cmd = VIDIOC_S_FBUF; break;
529 case VIDIOC_OVERLAY32: cmd = VIDIOC_OVERLAY; break;
530 case VIDIOC_ENUMSTD32: cmd = VIDIOC_ENUMSTD; break;
531 case VIDIOC_ENUMINPUT32: cmd = VIDIOC_ENUMINPUT; break;
532 case VIDIOC_S_CTRL32: cmd = VIDIOC_S_CTRL; break;
533 case VIDIOC_G_INPUT32: cmd = VIDIOC_G_INPUT; break;
534 case VIDIOC_S_INPUT32: cmd = VIDIOC_S_INPUT; break;
535 case VIDIOC_TRY_FMT32: cmd = VIDIOC_TRY_FMT; break;
536 };
537
538 switch(cmd) {
539 case VIDIOCSTUNER:
540 case VIDIOCGTUNER:
541 err = get_video_tuner32(&karg.vt, up);
542 compatible_arg = 0;
543
544 break;
545
546 case VIDIOCSFBUF:
547 err = get_video_buffer32(&karg.vb, up);
548 compatible_arg = 0;
549 break;
550
551 case VIDIOCSFREQ:
552 case VIDIOC_S_INPUT:
553 case VIDIOC_OVERLAY:
554 case VIDIOC_STREAMON:
555 case VIDIOC_STREAMOFF:
556 err = get_user(karg.vx, (u32 __user *)up);
557 compatible_arg = 0;
558 break;
559
560 case VIDIOC_S_FBUF:
561 err = get_v4l2_framebuffer32(&karg.v2fb, up);
562 compatible_arg = 0;
563 break;
564
565 case VIDIOC_G_FMT:
566 case VIDIOC_S_FMT:
567 case VIDIOC_TRY_FMT:
568 err = get_v4l2_format32(&karg.v2f, up);
569 compatible_arg = 0;
570 break;
571
572 case VIDIOC_QUERYBUF:
573 case VIDIOC_QBUF:
574 case VIDIOC_DQBUF:
575 err = get_v4l2_buffer32(&karg.v2b, up);
576 compatible_arg = 0;
577 break;
578
579 case VIDIOC_ENUMSTD:
580 err = get_v4l2_standard32(&karg.v2s, up);
581 compatible_arg = 0;
582 break;
583
584 case VIDIOCGWIN:
585 case VIDIOCGFBUF:
586 case VIDIOCGFREQ:
587 case VIDIOC_G_FBUF:
588 case VIDIOC_G_INPUT:
589 compatible_arg = 0;
590 };
591
592 if(err)
593 goto out;
594
595 if(compatible_arg)
596 err = native_ioctl(file, cmd, (unsigned long)up);
597 else {
598 mm_segment_t old_fs = get_fs();
599
600 set_fs(KERNEL_DS);
601 err = native_ioctl(file, cmd, (unsigned long)&karg);
602 set_fs(old_fs);
603 }
604 if(err == 0) {
605 switch(cmd) {
606 case VIDIOCGTUNER:
607 err = put_video_tuner32(&karg.vt, up);
608 break;
609
610 case VIDIOCGWIN:
611 err = put_video_window32(&karg.vw, up);
612 break;
613
614 case VIDIOCGFBUF:
615 err = put_video_buffer32(&karg.vb, up);
616 break;
617
618 case VIDIOC_G_FBUF:
619 err = put_v4l2_framebuffer32(&karg.v2fb, up);
620 break;
621
622 case VIDIOC_G_FMT:
623 case VIDIOC_S_FMT:
624 case VIDIOC_TRY_FMT:
625 err = put_v4l2_format32(&karg.v2f, up);
626 break;
627
628 case VIDIOC_QUERYBUF:
629 case VIDIOC_QBUF:
630 case VIDIOC_DQBUF:
631 err = put_v4l2_buffer32(&karg.v2b, up);
632 break;
633
634 case VIDIOC_ENUMSTD:
635 err = put_v4l2_standard32(&karg.v2s, up);
636 break;
637
638 case VIDIOCGFREQ:
639 case VIDIOC_G_INPUT:
640 err = put_user(((u32)karg.vx), (u32 __user *)up);
641 break;
642 };
643 }
644out:
645 return err;
646}
647
648long v4l_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg)
649{
650 int ret = -ENOIOCTLCMD;
651
652 if (!file->f_op->ioctl)
653 return ret;
654
655 switch (cmd) {
656 case VIDIOCSWIN32:
657 ret = do_set_window(file, cmd, arg);
658 break;
659 case VIDIOCGTUNER32:
660 case VIDIOCSTUNER32:
661 case VIDIOCGWIN32:
662 case VIDIOCGFBUF32:
663 case VIDIOCSFBUF32:
664 case VIDIOCGFREQ32:
665 case VIDIOCSFREQ32:
666 case VIDIOC_QUERYCAP:
667 case VIDIOC_ENUM_FMT:
668 case VIDIOC_G_FMT32:
669 case VIDIOC_S_FMT32:
670 case VIDIOC_REQBUFS:
671 case VIDIOC_QUERYBUF32:
672 case VIDIOC_G_FBUF32:
673 case VIDIOC_S_FBUF32:
674 case VIDIOC_OVERLAY32:
675 case VIDIOC_QBUF32:
676 case VIDIOC_DQBUF32:
677 case VIDIOC_STREAMON32:
678 case VIDIOC_STREAMOFF32:
679 case VIDIOC_G_PARM:
680 case VIDIOC_G_STD:
681 case VIDIOC_S_STD:
682 case VIDIOC_ENUMSTD32:
683 case VIDIOC_ENUMINPUT32:
684 case VIDIOC_G_CTRL:
685 case VIDIOC_S_CTRL32:
686 case VIDIOC_QUERYCTRL:
687 case VIDIOC_G_INPUT32:
688 case VIDIOC_S_INPUT32:
689 case VIDIOC_TRY_FMT32:
690 ret = do_video_ioctl(file, cmd, arg);
691 break;
692
693 /* Little v, the video4linux ioctls (conflict?) */
694 case VIDIOCGCAP:
695 case VIDIOCGCHAN:
696 case VIDIOCSCHAN:
697 case VIDIOCGPICT:
698 case VIDIOCSPICT:
699 case VIDIOCCAPTURE:
700 case VIDIOCKEY:
701 case VIDIOCGAUDIO:
702 case VIDIOCSAUDIO:
703 case VIDIOCSYNC:
704 case VIDIOCMCAPTURE:
705 case VIDIOCGMBUF:
706 case VIDIOCGUNIT:
707 case VIDIOCGCAPTURE:
708 case VIDIOCSCAPTURE:
709
710 /* BTTV specific... */
711 case _IOW('v', BASE_VIDIOCPRIVATE+0, char [256]):
712 case _IOR('v', BASE_VIDIOCPRIVATE+1, char [256]):
713 case _IOR('v' , BASE_VIDIOCPRIVATE+2, unsigned int):
714 case _IOW('v' , BASE_VIDIOCPRIVATE+3, char [16]): /* struct bttv_pll_info */
715 case _IOR('v' , BASE_VIDIOCPRIVATE+4, int):
716 case _IOR('v' , BASE_VIDIOCPRIVATE+5, int):
717 case _IOR('v' , BASE_VIDIOCPRIVATE+6, int):
718 case _IOR('v' , BASE_VIDIOCPRIVATE+7, int):
719 ret = native_ioctl(file, cmd, (unsigned long)compat_ptr(arg));
720 break;
721 }
722 return ret;
723}
724#else
725long v4l_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg)
726{
727 return -ENOIOCTLCMD;
728}
729#endif
730EXPORT_SYMBOL_GPL(v4l_compat_ioctl32);
731
732MODULE_LICENSE("GPL");
generated by cgit v1.2.2 (git 2.25.0) at 2025-02-08 18:18:11 -0500