[net-next-2.6.git] / drivers / media / video / compat_ioctl32.c

/*
 * ioctl32.c: Conversion between 32bit and 64bit native ioctls.
 *	Separated from fs stuff by Arnd Bergmann <arnd@arndb.de>
 *
 * Copyright (C) 1997-2000  Jakub Jelinek  (jakub@redhat.com)
 * Copyright (C) 1998  Eddie C. Dost  (ecd@skynet.be)
 * Copyright (C) 2001,2002  Andi Kleen, SuSE Labs
 * Copyright (C) 2003       Pavel Machek (pavel@suse.cz)
 * Copyright (C) 2005       Philippe De Muyter (phdm@macqel.be)
 *
 * These routines maintain argument size conversion between 32bit and 64bit
 * ioctls.
 */

#include <linux/config.h>
#include <linux/compat.h>
#include <linux/videodev.h>
#include <linux/videodev2.h>
#include <linux/module.h>
#include <linux/smp_lock.h>

#ifdef CONFIG_COMPAT
struct video_tuner32 {
	compat_int_t tuner;
	char name[32];
	compat_ulong_t rangelow, rangehigh;
	u32 flags;	/* It is really u32 in videodev.h */
	u16 mode, signal;
};

static int get_video_tuner32(struct video_tuner *kp, struct video_tuner32 __user *up)
{
	if(get_user(kp->tuner, &up->tuner))
		return -EFAULT;
	__copy_from_user(kp->name, up->name, 32);
	__get_user(kp->rangelow, &up->rangelow);
	__get_user(kp->rangehigh, &up->rangehigh);
	__get_user(kp->flags, &up->flags);
	__get_user(kp->mode, &up->mode);
	__get_user(kp->signal, &up->signal);
	return 0;
}

static int put_video_tuner32(struct video_tuner *kp, struct video_tuner32 __user *up)
{
	if(put_user(kp->tuner, &up->tuner))
		return -EFAULT;
	__copy_to_user(up->name, kp->name, 32);
	__put_user(kp->rangelow, &up->rangelow);
	__put_user(kp->rangehigh, &up->rangehigh);
	__put_user(kp->flags, &up->flags);
	__put_user(kp->mode, &up->mode);
	__put_user(kp->signal, &up->signal);
	return 0;
}

struct video_buffer32 {
	compat_caddr_t base;
	compat_int_t height, width, depth, bytesperline;
};

static int get_video_buffer32(struct video_buffer *kp, struct video_buffer32 __user *up)
{
	u32 tmp;

	if (get_user(tmp, &up->base))
		return -EFAULT;

	/* This is actually a physical address stored
	 * as a void pointer.
	 */
	kp->base = (void *)(unsigned long) tmp;

	__get_user(kp->height, &up->height);
	__get_user(kp->width, &up->width);
	__get_user(kp->depth, &up->depth);
	__get_user(kp->bytesperline, &up->bytesperline);
	return 0;
}

static int put_video_buffer32(struct video_buffer *kp, struct video_buffer32 __user *up)
{
	u32 tmp = (u32)((unsigned long)kp->base);

	if(put_user(tmp, &up->base))
		return -EFAULT;
	__put_user(kp->height, &up->height);
	__put_user(kp->width, &up->width);
	__put_user(kp->depth, &up->depth);
	__put_user(kp->bytesperline, &up->bytesperline);
	return 0;
}

struct video_clip32 {
	s32 x, y, width, height;	/* Its really s32 in videodev.h */
	compat_caddr_t next;
};

struct video_window32 {
	u32 x, y, width, height, chromakey, flags;
	compat_caddr_t clips;
	compat_int_t clipcount;
};

static int native_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
	int ret = -ENOIOCTLCMD;

	if (file->f_ops->unlocked_ioctl)
		ret = file->f_ops->unlocked_ioctl(file, cmd, arg);
	else if (file->f_ops->ioctl) {
		lock_kernel();
		ret = file->f_ops->ioctl(file->f_dentry->d_inode, file, cmd, arg);
		unlock_kernel();
	}

	return ret;
}


/* You get back everything except the clips... */
static int put_video_window32(struct video_window *kp, struct video_window32 __user *up)
{
	if(put_user(kp->x, &up->x))
		return -EFAULT;
	__put_user(kp->y, &up->y);
	__put_user(kp->width, &up->width);
	__put_user(kp->height, &up->height);
	__put_user(kp->chromakey, &up->chromakey);
	__put_user(kp->flags, &up->flags);
	__put_user(kp->clipcount, &up->clipcount);
	return 0;
}

struct v4l2_clip32
{
	struct v4l2_rect        c;
	compat_caddr_t 		next;
};

struct v4l2_window32
{
	struct v4l2_rect        w;
	enum v4l2_field  	field;
	__u32			chromakey;
	compat_caddr_t		clips; /* actually struct v4l2_clip32 * */
	__u32			clipcount;
	compat_caddr_t		bitmap;
};

static int get_v4l2_window32(struct v4l2_window *kp, struct v4l2_window32 __user *up)
{
	if (copy_from_user(&kp->w, &up->w, sizeof(up->w)))
		return -EFAULT;
	__get_user(kp->field, &up->field);
	__get_user(kp->chromakey, &up->chromakey);
	__get_user(kp->clipcount, &up->clipcount);
	if (kp->clipcount > 2048)
		return -EINVAL;
	if (kp->clipcount) {
		struct v4l2_clip32 *uclips = compat_ptr(up->clips);
		struct v4l2_clip *kclips;
		int n = kp->clipcount;

		kclips = compat_alloc_user_space(n * sizeof(struct v4l2_clip));
		kp->clips = kclips;
		while (--n >= 0) {
			copy_from_user(&kclips->c, &uclips->c, sizeof(uclips->c));
			kclips->next = n ? kclips + 1 : 0;
			uclips += 1;
			kclips += 1;
		}
	} else
		kp->clips = 0;
	return 0;
}

static int put_v4l2_window32(struct v4l2_window *kp, struct v4l2_window32 __user *up)
{
	if (copy_to_user(&up->w, &kp->w, sizeof(up->w)))
		return -EFAULT;
	__put_user(kp->field, &up->field);
	__put_user(kp->chromakey, &up->chromakey);
	__put_user(kp->clipcount, &up->clipcount);
	return 0;
}

static inline int get_v4l2_pix_format(struct v4l2_pix_format *kp, struct v4l2_pix_format __user *up)
{
	return copy_from_user(kp, up, sizeof(struct v4l2_pix_format));
}

static inline int put_v4l2_pix_format(struct v4l2_pix_format *kp, struct v4l2_pix_format __user *up)
{
	return copy_to_user(up, kp, sizeof(struct v4l2_pix_format));
}

static inline int get_v4l2_vbi_format(struct v4l2_vbi_format *kp, struct v4l2_vbi_format __user *up)
{
	return copy_from_user(kp, up, sizeof(struct v4l2_vbi_format));
}

static inline int put_v4l2_vbi_format(struct v4l2_vbi_format *kp, struct v4l2_vbi_format __user *up)
{
	return copy_to_user(up, kp, sizeof(struct v4l2_vbi_format));
}

struct v4l2_format32
{
	enum v4l2_buf_type type;
	union
	{
		struct v4l2_pix_format	pix;  // V4L2_BUF_TYPE_VIDEO_CAPTURE
		struct v4l2_window32	win;  // V4L2_BUF_TYPE_VIDEO_OVERLAY
		struct v4l2_vbi_format	vbi;  // V4L2_BUF_TYPE_VBI_CAPTURE
		__u8	raw_data[200];        // user-defined
	} fmt;
};

static int get_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up)
{
	if(get_user(kp->type, &up->type))
		return -EFAULT;
	switch (kp->type) {
	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
		return get_v4l2_pix_format(&kp->fmt.pix, &up->fmt.pix);
	case V4L2_BUF_TYPE_VIDEO_OVERLAY:
		return get_v4l2_window32(&kp->fmt.win, &up->fmt.win);
	case V4L2_BUF_TYPE_VBI_CAPTURE:
		return get_v4l2_vbi_format(&kp->fmt.vbi, &up->fmt.vbi);
	default:
		printk("compat_ioctl : unexpected VIDIOC_FMT type %d\n",
								kp->type);
		return -ENXIO;
	}
}

static int put_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up)
{
	if(put_user(kp->type, &up->type))
		return -EFAULT;
	switch (kp->type) {
	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
		return put_v4l2_pix_format(&kp->fmt.pix, &up->fmt.pix);
	case V4L2_BUF_TYPE_VIDEO_OVERLAY:
		return put_v4l2_window32(&kp->fmt.win, &up->fmt.win);
	case V4L2_BUF_TYPE_VBI_CAPTURE:
		return put_v4l2_vbi_format(&kp->fmt.vbi, &up->fmt.vbi);
	default:
		return -ENXIO;
	}
}

struct v4l2_standard32
{
	__u32		     index;
	__u32		     id[2]; /* __u64 would get the alignment wrong */
	__u8		     name[24];
	struct v4l2_fract    frameperiod; /* Frames, not fields */
	__u32		     framelines;
	__u32		     reserved[4];
};

static int get_v4l2_standard32(struct v4l2_standard *kp, struct v4l2_standard32 __user *up)
{
	/* other fields are not set by the user, nor used by the driver */
	return get_user(kp->index, &up->index);
}

static int put_v4l2_standard32(struct v4l2_standard *kp, struct v4l2_standard32 __user *up)
{
	if(put_user(kp->index, &up->index))
		return -EFAULT;
	__copy_to_user(up->id, &kp->id, sizeof(__u64));
	__copy_to_user(up->name, kp->name, 24);
	__put_user(kp->frameperiod, &up->frameperiod);
	__put_user(kp->framelines, &up->framelines);
	__copy_to_user(up->reserved, kp->reserved, 4 * sizeof(__u32));
	return 0;
}

struct v4l2_buffer32
{
	__u32			index;
	enum v4l2_buf_type      type;
	__u32			bytesused;
	__u32			flags;
	enum v4l2_field		field;
	struct compat_timeval	timestamp;
	struct v4l2_timecode	timecode;
	__u32			sequence;

	/* memory location */
	enum v4l2_memory        memory;
	union {
		__u32           offset;
		compat_long_t   userptr;
	} m;
	__u32			length;
	__u32			input;
	__u32			reserved;
};

static int get_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user *up)
{

	if (get_user(kp->index, &up->index))
		return -EFAULT;
	__get_user(kp->type, &up->type);
	__get_user(kp->flags, &up->flags);
	__get_user(kp->memory, &up->memory);
	__get_user(kp->input, &up->input);
	switch(kp->memory) {
	case V4L2_MEMORY_MMAP:
		break;
	case V4L2_MEMORY_USERPTR:
		{
		unsigned long tmp = (unsigned long)compat_ptr(up->m.userptr);

		__get_user(kp->length, &up->length);
		__get_user(kp->m.userptr, &tmp);
		}
		break;
	case V4L2_MEMORY_OVERLAY:
		__get_user(kp->m.offset, &up->m.offset);
		break;
	}
	return 0;
}

static int put_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user *up)
{
	if (put_user(kp->index, &up->index))
		return -EFAULT;
	__put_user(kp->type, &up->type);
	__put_user(kp->flags, &up->flags);
	__put_user(kp->memory, &up->memory);
	__put_user(kp->input, &up->input);
	switch(kp->memory) {
	case V4L2_MEMORY_MMAP:
		__put_user(kp->length, &up->length);
		__put_user(kp->m.offset, &up->m.offset);
		break;
	case V4L2_MEMORY_USERPTR:
		__put_user(kp->length, &up->length);
		__put_user(kp->m.userptr, &up->m.userptr);
		break;
	case V4L2_MEMORY_OVERLAY:
		__put_user(kp->m.offset, &up->m.offset);
		break;
	}
	__put_user(kp->bytesused, &up->bytesused);
	__put_user(kp->field, &up->field);
	__put_user(kp->timestamp.tv_sec, &up->timestamp.tv_sec);
	__put_user(kp->timestamp.tv_usec, &up->timestamp.tv_usec);
	__copy_to_user(&up->timecode, &kp->timecode, sizeof(struct v4l2_timecode));
	__put_user(kp->sequence, &up->sequence);
	__put_user(kp->reserved, &up->reserved);
	return 0;
}

struct v4l2_framebuffer32
{
	__u32			capability;
	__u32			flags;
	compat_caddr_t 		base;
	struct v4l2_pix_format	fmt;
};

static int put_v4l2_framebuffer32(struct v4l2_framebuffer *kp, struct v4l2_framebuffer32 __user *up)
{
	u32 tmp = (u32)((unsigned long)kp->base);

	if(put_user(tmp, &up->base))
		return -EFAULT;
	__put_user(kp->capability, &up->capability);
	__put_user(kp->flags, &up->flags);
	put_v4l2_pix_format(&kp->fmt, &up->fmt);
	return 0;
}

struct v4l2_input32 	/* identical layout, but different size */
{
	__u32	     index;		/*  Which input */
	__u8	     name[32];		/*  Label */
	__u32	     type;		/*  Type of input */
	__u32	     audioset;		/*  Associated audios (bitfield) */
	__u32        tuner;             /*  Associated tuner */
	__u32	     std[2];		/* __u64 would get the padding wrong */
	__u32	     status;
	__u32	     reserved[4];
};

#define VIDIOCGTUNER32		_IOWR('v',4, struct video_tuner32)
#define VIDIOCSTUNER32		_IOW('v',5, struct video_tuner32)
#define VIDIOCGWIN32		_IOR('v',9, struct video_window32)
#define VIDIOCSWIN32		_IOW('v',10, struct video_window32)
#define VIDIOCGFBUF32		_IOR('v',11, struct video_buffer32)
#define VIDIOCSFBUF32		_IOW('v',12, struct video_buffer32)
#define VIDIOCGFREQ32		_IOR('v',14, u32)
#define VIDIOCSFREQ32		_IOW('v',15, u32)

#define VIDIOC_G_FMT32		_IOWR ('V',  4, struct v4l2_format32)
#define VIDIOC_S_FMT32		_IOWR ('V',  5, struct v4l2_format32)
#define VIDIOC_QUERYBUF32	_IOWR ('V',  9, struct v4l2_buffer32)
#define VIDIOC_G_FBUF32		_IOR  ('V', 10, struct v4l2_framebuffer32)
/* VIDIOC_OVERLAY is now _IOW, but was _IOWR */
#define VIDIOC_OVERLAY32	_IOWR ('V', 14, compat_int_t)
#define VIDIOC_QBUF32		_IOWR ('V', 15, struct v4l2_buffer32)
#define VIDIOC_DQBUF32		_IOWR ('V', 17, struct v4l2_buffer32)
#define VIDIOC_STREAMON32	_IOW  ('V', 18, compat_int_t)
#define VIDIOC_STREAMOFF32	_IOW  ('V', 19, compat_int_t)
#define VIDIOC_ENUMSTD32	_IOWR ('V', 25, struct v4l2_standard32)
#define VIDIOC_ENUMINPUT32	_IOWR ('V', 26, struct v4l2_input32)
/* VIDIOC_S_CTRL is now _IOWR, but was _IOW */
#define VIDIOC_S_CTRL32		_IOW  ('V', 28, struct v4l2_control)
#define VIDIOC_G_INPUT32	_IOR  ('V', 38, compat_int_t)
#define VIDIOC_S_INPUT32	_IOWR ('V', 39, compat_int_t)
#define VIDIOC_TRY_FMT32      	_IOWR ('V', 64, struct v4l2_format32)

enum {
	MaxClips = (~0U-sizeof(struct video_window))/sizeof(struct video_clip)
};

static int do_set_window(struct file *file, unsigned int cmd, unsigned long arg)
{
	struct video_window32 __user *up = compat_ptr(arg);
	struct video_window __user *vw;
	struct video_clip __user *p;
	int nclips;
	u32 n;

	if (get_user(nclips, &up->clipcount))
		return -EFAULT;

	/* Peculiar interface... */
	if (nclips < 0)
		nclips = VIDEO_CLIPMAP_SIZE;

	if (nclips > MaxClips)
		return -ENOMEM;

	vw = compat_alloc_user_space(sizeof(struct video_window) +
				    nclips * sizeof(struct video_clip));

	p = nclips ? (struct video_clip __user *)(vw + 1) : NULL;

	if (get_user(n, &up->x) || put_user(n, &vw->x) ||
	    get_user(n, &up->y) || put_user(n, &vw->y) ||
	    get_user(n, &up->width) || put_user(n, &vw->width) ||
	    get_user(n, &up->height) || put_user(n, &vw->height) ||
	    get_user(n, &up->chromakey) || put_user(n, &vw->chromakey) ||
	    get_user(n, &up->flags) || put_user(n, &vw->flags) ||
	    get_user(n, &up->clipcount) || put_user(n, &vw->clipcount) ||
	    get_user(n, &up->clips) || put_user(p, &vw->clips))
		return -EFAULT;

	if (nclips) {
		struct video_clip32 __user *u = compat_ptr(n);
		int i;
		if (!u)
			return -EINVAL;
		for (i = 0; i < nclips; i++, u++, p++) {
			s32 v;
			if (get_user(v, &u->x) ||
			    put_user(v, &p->x) ||
			    get_user(v, &u->y) ||
			    put_user(v, &p->y) ||
			    get_user(v, &u->width) ||
			    put_user(v, &p->width) ||
			    get_user(v, &u->height) ||
			    put_user(v, &p->height) ||
			    put_user(NULL, &p->next))
				return -EFAULT;
		}
	}

	return native_ioctl(file, VIDIOCSWIN, (unsigned long)p);
}

static int do_video_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
	union {
		struct video_tuner vt;
		struct video_buffer vb;
		struct video_window vw;
		struct v4l2_format v2f;
		struct v4l2_buffer v2b;
		struct v4l2_framebuffer v2fb;
		struct v4l2_standard v2s;
		unsigned long vx;
	} karg;
	void __user *up = compat_ptr(arg);
	int compatible_arg = 1;
	int err = 0;

	/* First, convert the command. */
	switch(cmd) {
	case VIDIOCGTUNER32: cmd = VIDIOCGTUNER; break;
	case VIDIOCSTUNER32: cmd = VIDIOCSTUNER; break;
	case VIDIOCGWIN32: cmd = VIDIOCGWIN; break;
	case VIDIOCGFBUF32: cmd = VIDIOCGFBUF; break;
	case VIDIOCSFBUF32: cmd = VIDIOCSFBUF; break;
	case VIDIOCGFREQ32: cmd = VIDIOCGFREQ; break;
	case VIDIOCSFREQ32: cmd = VIDIOCSFREQ; break;
	case VIDIOC_G_FMT32: cmd = VIDIOC_G_FMT; break;
	case VIDIOC_S_FMT32: cmd = VIDIOC_S_FMT; break;
	case VIDIOC_QUERYBUF32: cmd = VIDIOC_QUERYBUF; break;
	case VIDIOC_QBUF32: cmd = VIDIOC_QBUF; break;
	case VIDIOC_DQBUF32: cmd = VIDIOC_DQBUF; break;
	case VIDIOC_STREAMON32: cmd = VIDIOC_STREAMON; break;
	case VIDIOC_STREAMOFF32: cmd = VIDIOC_STREAMOFF; break;
	case VIDIOC_G_FBUF32: cmd = VIDIOC_G_FBUF; break;
	case VIDIOC_OVERLAY32: cmd = VIDIOC_OVERLAY; break;
	case VIDIOC_ENUMSTD32: cmd = VIDIOC_ENUMSTD; break;
	case VIDIOC_ENUMINPUT32: cmd = VIDIOC_ENUMINPUT; break;
	case VIDIOC_S_CTRL32: cmd = VIDIOC_S_CTRL; break;
	case VIDIOC_G_INPUT32: cmd = VIDIOC_G_INPUT; break;
	case VIDIOC_S_INPUT32: cmd = VIDIOC_S_INPUT; break;
	case VIDIOC_TRY_FMT32: cmd = VIDIOC_TRY_FMT; break;
	};

	switch(cmd) {
	case VIDIOCSTUNER:
	case VIDIOCGTUNER:
		err = get_video_tuner32(&karg.vt, up);
		compatible_arg = 0;

		break;

	case VIDIOCSFBUF:
		err = get_video_buffer32(&karg.vb, up);
		compatible_arg = 0;
		break;

	case VIDIOCSFREQ:
	case VIDIOC_S_INPUT:
	case VIDIOC_OVERLAY:
		err = get_user(karg.vx, (u32 __user *)up);
		compatible_arg = 0;
		break;
	};

	case VIDIOC_G_FMT:
	case VIDIOC_S_FMT:
	case VIDIOC_TRY_FMT:
		err = get_v4l2_format32(&karg.v2f, up);
		compatible_arg = 0;
		break;

	case VIDIOC_QUERYBUF:
	case VIDIOC_QBUF:
	case VIDIOC_DQBUF:
		err = get_v4l2_buffer32(&karg.v2b, up);
		compatible_arg = 0;
		break;

	case VIDIOC_ENUMSTD:
		err = get_v4l2_standard32(&karg.v2s, up);
		compatible_arg = 0;
		break;

	case VIDIOCGWIN:
	case VIDIOCGFBUF:
	case VIDIOCGFREQ:
	case VIDIOC_G_FBUF:
	case VIDIOC_G_INPUT:
		compatible_arg = 0;

	if(err)
		goto out;

	if(compatible_arg)
		err = sys_ioctl(fd, cmd, (unsigned long)up);
	else {
		mm_segment_t old_fs = get_fs();

		set_fs(KERNEL_DS);
		err = sys_ioctl(fd, cmd, (unsigned long)&karg);
		set_fs(old_fs);
	}
	if(err == 0) {
		switch(cmd) {
		case VIDIOCGTUNER:
			err = put_video_tuner32(&karg.vt, up);
			break;

		case VIDIOCGWIN:
			err = put_video_window32(&karg.vw, up);
			break;

		case VIDIOCGFBUF:
			err = put_video_buffer32(&karg.vb, up);
			break;

		case VIDIOC_G_FBUF:
			err = put_v4l2_framebuffer32(&karg.v2fb, up);
			break;

		case VIDIOC_G_FMT:
		case VIDIOC_S_FMT:
		case VIDIOC_TRY_FMT:
			err = put_v4l2_format32(&karg.v2f, up);
			break;

		case VIDIOC_QUERYBUF:
		case VIDIOC_QBUF:
		case VIDIOC_DQBUF:
			err = put_v4l2_buffer32(&karg.v2b, up);
			break;

		case VIDIOC_ENUMSTD:
			err = put_v4l2_standard32(&karg.v2s, up);
			break;

		case VIDIOCGFREQ:
		case VIDIOC_G_INPUT:
			err = put_user(((u32)karg.vx), (u32 __user *)up);
			break;
		};
	}
out:
	return err;
}

long v4l_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg)
{
	int ret = -ENOIOCTLCMD;

	if (!file->f_ops->ioctl)
		return ret;

	switch (cmd) {
	case VIDIOCSWIN32:
		ret = do_set_window(file, cmd, arg);
		break;
	case VIDIOCGTUNER32:
	case VIDIOCSTUNER32:
	case VIDIOCGWIN32:
	case VIDIOCGFBUF32:
	case VIDIOCSFBUF32:
	case VIDIOCGFREQ32:
	case VIDIOCSFREQ32:
		ret = do_video_ioctl(file, cmd, arg);
		break;

	/* Little v, the video4linux ioctls (conflict?) */
	case VIDIOCGCAP:
	case VIDIOCGCHAN:
	case VIDIOCSCHAN:
	case VIDIOCGPICT:
	case VIDIOCSPICT:
	case VIDIOCCAPTURE:
	case VIDIOCKEY:
	case VIDIOCGAUDIO:
	case VIDIOCSAUDIO:
	case VIDIOCSYNC:
	case VIDIOCMCAPTURE:
	case VIDIOCGMBUF:
	case VIDIOCGUNIT:
	case VIDIOCGCAPTURE:
	case VIDIOCSCAPTURE:

	/* BTTV specific... */
	case _IOW('v',  BASE_VIDIOCPRIVATE+0, char [256]):
	case _IOR('v',  BASE_VIDIOCPRIVATE+1, char [256]):
	case _IOR('v' , BASE_VIDIOCPRIVATE+2, unsigned int):
	case _IOW('v' , BASE_VIDIOCPRIVATE+3, char [16]): /* struct bttv_pll_info */
	case _IOR('v' , BASE_VIDIOCPRIVATE+4, int):
	case _IOR('v' , BASE_VIDIOCPRIVATE+5, int):
	case _IOR('v' , BASE_VIDIOCPRIVATE+6, int):
	case _IOR('v' , BASE_VIDIOCPRIVATE+7, int):
		ret = native_ioctl(file, cmd, (unsigned long)compat_ptr(arg));
		break;
Commit	Line	Data
cf664a64 PDM	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
0d0fbf81 AB	15	#include <linux/config.h>
	16	#include <linux/compat.h>
	17	#include <linux/videodev.h>
cf664a64	18	#include <linux/videodev2.h>
133b7354	19	#include <linux/module.h>
e8efb71d	20	#include <linux/smp_lock.h>
0d0fbf81 AB	21
	22	#ifdef CONFIG_COMPAT
	23	struct 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
	31	static int get_video_tuner32(struct video_tuner kp, struct video_tuner32 __user up)
	32	{
0d0fbf81 AB	33	if(get_user(kp->tuner, &up->tuner))
0d0fbf81 AB	34	return -EFAULT;
cf664a64	35	__copy_from_user(kp->name, up->name, 32);
0d0fbf81 AB	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
	44	static int put_video_tuner32(struct video_tuner kp, struct video_tuner32 __user up)
	45	{
0d0fbf81 AB	46	if(put_user(kp->tuner, &up->tuner))
0d0fbf81 AB	47	return -EFAULT;
cf664a64	48	__copy_to_user(up->name, kp->name, 32);
0d0fbf81 AB	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
	57	struct video_buffer32 {
	58	compat_caddr_t base;
	59	compat_int_t height, width, depth, bytesperline;
	60	};
	61
	62	static 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
	81	static 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
	94	struct video_clip32 {
	95	s32 x, y, width, height; /* Its really s32 in videodev.h */
	96	compat_caddr_t next;
	97	};
	98
	99	struct video_window32 {
	100	u32 x, y, width, height, chromakey, flags;
	101	compat_caddr_t clips;
	102	compat_int_t clipcount;
	103	};
	104
	105	static int native_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
	106	{
	107	int ret = -ENOIOCTLCMD;
	108
	109	if (file->f_ops->unlocked_ioctl)
	110	ret = file->f_ops->unlocked_ioctl(file, cmd, arg);
	111	else if (file->f_ops->ioctl) {
	112	lock_kernel();
113	ret = file->f_ops->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... */
122	static 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
cf664a64 PDM	135	struct v4l2_clip32
	136	{
	137	struct v4l2_rect c;
	138	compat_caddr_t next;
	139	};
	140
	141	struct 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
	151	static 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
	178	static 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
	188	static 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
	193	static 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
	198	static 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
203	static 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
208	struct 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
220	static 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
238	static 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
254	struct 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
264	static 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
270	static 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
282	struct 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
304	static 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
331	static 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
362	struct v4l2_framebuffer32
363	{
364	__u32 capability;
365	__u32 flags;
366	compat_caddr_t base;
367	struct v4l2_pix_format fmt;
368	};
369
370	static int put_v4l2_framebuffer32(struct v4l2_framebuffer kp, struct v4l2_framebuffer32 __user up)
371	{
372	u32 tmp = (u32)((unsigned long)kp->base);
373
374	if(put_user(tmp, &up->base))
375	return -EFAULT;
376	__put_user(kp->capability, &up->capability);
377	__put_user(kp->flags, &up->flags);
378	put_v4l2_pix_format(&kp->fmt, &up->fmt);
379	return 0;
380	}
381
382	struct v4l2_input32 /* identical layout, but different size */
383	{
384	__u32 index; /* Which input */
385	__u8 name[32]; /* Label */
386	__u32 type; /* Type of input */
387	__u32 audioset; /* Associated audios (bitfield) */
388	__u32 tuner; /* Associated tuner */
389	__u32 std[2]; /* __u64 would get the padding wrong */
390	__u32 status;
391	__u32 reserved[4];
392	};
393
0d0fbf81 AB	394	#define VIDIOCGTUNER32 _IOWR('v',4, struct video_tuner32)
	395	#define VIDIOCSTUNER32 _IOW('v',5, struct video_tuner32)
	396	#define VIDIOCGWIN32 _IOR('v',9, struct video_window32)
	397	#define VIDIOCSWIN32 _IOW('v',10, struct video_window32)
	398	#define VIDIOCGFBUF32 _IOR('v',11, struct video_buffer32)
	399	#define VIDIOCSFBUF32 _IOW('v',12, struct video_buffer32)
	400	#define VIDIOCGFREQ32 _IOR('v',14, u32)
	401	#define VIDIOCSFREQ32 _IOW('v',15, u32)
	402
cf664a64 PDM	403	#define VIDIOC_G_FMT32 _IOWR ('V', 4, struct v4l2_format32)
	404	#define VIDIOC_S_FMT32 _IOWR ('V', 5, struct v4l2_format32)
	405	#define VIDIOC_QUERYBUF32 _IOWR ('V', 9, struct v4l2_buffer32)
	406	#define VIDIOC_G_FBUF32 _IOR ('V', 10, struct v4l2_framebuffer32)
	407	/* VIDIOC_OVERLAY is now _IOW, but was _IOWR */
	408	#define VIDIOC_OVERLAY32 _IOWR ('V', 14, compat_int_t)
	409	#define VIDIOC_QBUF32 _IOWR ('V', 15, struct v4l2_buffer32)
	410	#define VIDIOC_DQBUF32 _IOWR ('V', 17, struct v4l2_buffer32)
	411	#define VIDIOC_STREAMON32 _IOW ('V', 18, compat_int_t)
	412	#define VIDIOC_STREAMOFF32 _IOW ('V', 19, compat_int_t)
	413	#define VIDIOC_ENUMSTD32 _IOWR ('V', 25, struct v4l2_standard32)
	414	#define VIDIOC_ENUMINPUT32 _IOWR ('V', 26, struct v4l2_input32)
	415	/* VIDIOC_S_CTRL is now _IOWR, but was _IOW */
	416	#define VIDIOC_S_CTRL32 _IOW ('V', 28, struct v4l2_control)
	417	#define VIDIOC_G_INPUT32 _IOR ('V', 38, compat_int_t)
	418	#define VIDIOC_S_INPUT32 _IOWR ('V', 39, compat_int_t)
	419	#define VIDIOC_TRY_FMT32 _IOWR ('V', 64, struct v4l2_format32)
	420
0d0fbf81 AB	421	enum {
	422	MaxClips = (~0U-sizeof(struct video_window))/sizeof(struct video_clip)
	423	};
	424
	425	static int do_set_window(struct file *file, unsigned int cmd, unsigned long arg)
	426	{
	427	struct video_window32 __user *up = compat_ptr(arg);
	428	struct video_window __user *vw;
	429	struct video_clip __user *p;
	430	int nclips;
	431	u32 n;
	432
	433	if (get_user(nclips, &up->clipcount))
	434	return -EFAULT;
	435
	436	/* Peculiar interface... */
	437	if (nclips < 0)
	438	nclips = VIDEO_CLIPMAP_SIZE;
	439
	440	if (nclips > MaxClips)
	441	return -ENOMEM;
	442
	443	vw = compat_alloc_user_space(sizeof(struct video_window) +
	444	nclips * sizeof(struct video_clip));
	445
	446	p = nclips ? (struct video_clip __user *)(vw + 1) : NULL;
	447
	448	if (get_user(n, &up->x) \|\| put_user(n, &vw->x) \|\|
	449	get_user(n, &up->y) \|\| put_user(n, &vw->y) \|\|
	450	get_user(n, &up->width) \|\| put_user(n, &vw->width) \|\|
	451	get_user(n, &up->height) \|\| put_user(n, &vw->height) \|\|
	452	get_user(n, &up->chromakey) \|\| put_user(n, &vw->chromakey) \|\|
	453	get_user(n, &up->flags) \|\| put_user(n, &vw->flags) \|\|
	454	get_user(n, &up->clipcount) \|\| put_user(n, &vw->clipcount) \|\|
	455	get_user(n, &up->clips) \|\| put_user(p, &vw->clips))
	456	return -EFAULT;
	457
	458	if (nclips) {
	459	struct video_clip32 __user *u = compat_ptr(n);
	460	int i;
	461	if (!u)
	462	return -EINVAL;
	463	for (i = 0; i < nclips; i++, u++, p++) {
	464	s32 v;
	465	if (get_user(v, &u->x) \|\|
	466	put_user(v, &p->x) \|\|
	467	get_user(v, &u->y) \|\|
	468	put_user(v, &p->y) \|\|
	469	get_user(v, &u->width) \|\|
	470	put_user(v, &p->width) \|\|
	471	get_user(v, &u->height) \|\|
	472	put_user(v, &p->height) \|\|
	473	put_user(NULL, &p->next))
	474	return -EFAULT;
	475	}
	476	}
	477
	478	return native_ioctl(file, VIDIOCSWIN, (unsigned long)p);
	479	}
	480
	481	static int do_video_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
	482	{
	483	union {
	484	struct video_tuner vt;
485	struct video_buffer vb;
486	struct video_window vw;
cf664a64 PDM	487	struct v4l2_format v2f;
	488	struct v4l2_buffer v2b;
	489	struct v4l2_framebuffer v2fb;
	490	struct v4l2_standard v2s;
0d0fbf81 AB	491	unsigned long vx;
0d0fbf81 AB	492	} karg;
0d0fbf81	493	void __user *up = compat_ptr(arg);
cf664a64	494	int compatible_arg = 1;
0d0fbf81 AB	495	int err = 0;
	496
	497	/* First, convert the command. */
	498	switch(cmd) {
	499	case VIDIOCGTUNER32: cmd = VIDIOCGTUNER; break;
	500	case VIDIOCSTUNER32: cmd = VIDIOCSTUNER; break;
	501	case VIDIOCGWIN32: cmd = VIDIOCGWIN; break;
	502	case VIDIOCGFBUF32: cmd = VIDIOCGFBUF; break;
	503	case VIDIOCSFBUF32: cmd = VIDIOCSFBUF; break;
	504	case VIDIOCGFREQ32: cmd = VIDIOCGFREQ; break;
	505	case VIDIOCSFREQ32: cmd = VIDIOCSFREQ; break;
cf664a64 PDM	506	case VIDIOC_G_FMT32: cmd = VIDIOC_G_FMT; break;
	507	case VIDIOC_S_FMT32: cmd = VIDIOC_S_FMT; break;
	508	case VIDIOC_QUERYBUF32: cmd = VIDIOC_QUERYBUF; break;
	509	case VIDIOC_QBUF32: cmd = VIDIOC_QBUF; break;
	510	case VIDIOC_DQBUF32: cmd = VIDIOC_DQBUF; break;
	511	case VIDIOC_STREAMON32: cmd = VIDIOC_STREAMON; break;
	512	case VIDIOC_STREAMOFF32: cmd = VIDIOC_STREAMOFF; break;
	513	case VIDIOC_G_FBUF32: cmd = VIDIOC_G_FBUF; break;
	514	case VIDIOC_OVERLAY32: cmd = VIDIOC_OVERLAY; break;
	515	case VIDIOC_ENUMSTD32: cmd = VIDIOC_ENUMSTD; break;
	516	case VIDIOC_ENUMINPUT32: cmd = VIDIOC_ENUMINPUT; break;
	517	case VIDIOC_S_CTRL32: cmd = VIDIOC_S_CTRL; break;
	518	case VIDIOC_G_INPUT32: cmd = VIDIOC_G_INPUT; break;
	519	case VIDIOC_S_INPUT32: cmd = VIDIOC_S_INPUT; break;
	520	case VIDIOC_TRY_FMT32: cmd = VIDIOC_TRY_FMT; break;
0d0fbf81 AB	521	};
	522
	523	switch(cmd) {
	524	case VIDIOCSTUNER:
	525	case VIDIOCGTUNER:
	526	err = get_video_tuner32(&karg.vt, up);
cf664a64 PDM	527	compatible_arg = 0;
cf664a64 PDM	528
0d0fbf81 AB	529	break;
	530
	531	case VIDIOCSFBUF:
	532	err = get_video_buffer32(&karg.vb, up);
cf664a64	533	compatible_arg = 0;
0d0fbf81 AB	534	break;
	535
	536	case VIDIOCSFREQ:
cf664a64 PDM	537	case VIDIOC_S_INPUT:
cf664a64 PDM	538	case VIDIOC_OVERLAY:
0d0fbf81	539	err = get_user(karg.vx, (u32 __user *)up);
cf664a64	540	compatible_arg = 0;
0d0fbf81 AB	541	break;
0d0fbf81 AB	542	};
cf664a64 PDM	543
	544	case VIDIOC_G_FMT:
	545	case VIDIOC_S_FMT:
	546	case VIDIOC_TRY_FMT:
	547	err = get_v4l2_format32(&karg.v2f, up);
	548	compatible_arg = 0;
	549	break;
	550
	551	case VIDIOC_QUERYBUF:
	552	case VIDIOC_QBUF:
	553	case VIDIOC_DQBUF:
	554	err = get_v4l2_buffer32(&karg.v2b, up);
	555	compatible_arg = 0;
	556	break;
	557
	558	case VIDIOC_ENUMSTD:
	559	err = get_v4l2_standard32(&karg.v2s, up);
	560	compatible_arg = 0;
	561	break;
	562
	563	case VIDIOCGWIN:
	564	case VIDIOCGFBUF:
	565	case VIDIOCGFREQ:
	566	case VIDIOC_G_FBUF:
	567	case VIDIOC_G_INPUT:
	568	compatible_arg = 0;
	569
0d0fbf81 AB	570	if(err)
	571	goto out;
	572
cf664a64 PDM	573	if(compatible_arg)
	574	err = sys_ioctl(fd, cmd, (unsigned long)up);
	575	else {
	576	mm_segment_t old_fs = get_fs();
0d0fbf81	577
cf664a64 PDM	578	set_fs(KERNEL_DS);
	579	err = sys_ioctl(fd, cmd, (unsigned long)&karg);
	580	set_fs(old_fs);
	581	}
0d0fbf81 AB	582	if(err == 0) {
	583	switch(cmd) {
	584	case VIDIOCGTUNER:
	585	err = put_video_tuner32(&karg.vt, up);
	586	break;
	587
	588	case VIDIOCGWIN:
	589	err = put_video_window32(&karg.vw, up);
	590	break;
	591
	592	case VIDIOCGFBUF:
	593	err = put_video_buffer32(&karg.vb, up);
	594	break;
	595
cf664a64 PDM	596	case VIDIOC_G_FBUF:
	597	err = put_v4l2_framebuffer32(&karg.v2fb, up);
	598	break;
	599
	600	case VIDIOC_G_FMT:
	601	case VIDIOC_S_FMT:
	602	case VIDIOC_TRY_FMT:
	603	err = put_v4l2_format32(&karg.v2f, up);
	604	break;
	605
	606	case VIDIOC_QUERYBUF:
	607	case VIDIOC_QBUF:
	608	case VIDIOC_DQBUF:
	609	err = put_v4l2_buffer32(&karg.v2b, up);
	610	break;
	611
	612	case VIDIOC_ENUMSTD:
	613	err = put_v4l2_standard32(&karg.v2s, up);
	614	break;
	615
0d0fbf81	616	case VIDIOCGFREQ:
cf664a64	617	case VIDIOC_G_INPUT:
0d0fbf81 AB	618	err = put_user(((u32)karg.vx), (u32 __user *)up);
	619	break;
	620	};
	621	}
	622	out:
	623	return err;
	624	}
	625
	626	long v4l_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg)
	627	{
	628	int ret = -ENOIOCTLCMD;
	629
	630	if (!file->f_ops->ioctl)
	631	return ret;
	632
	633	switch (cmd) {
	634	case VIDIOCSWIN32:
	635	ret = do_set_window(file, cmd, arg);
	636	break;
	637	case VIDIOCGTUNER32:
	638	case VIDIOCSTUNER32:
	639	case VIDIOCGWIN32:
	640	case VIDIOCGFBUF32:
	641	case VIDIOCSFBUF32:
	642	case VIDIOCGFREQ32:
133b7354	643	case VIDIOCSFREQ32:
0d0fbf81 AB	644	ret = do_video_ioctl(file, cmd, arg);
	645	break;
	646
	647	/* Little v, the video4linux ioctls (conflict?) */
	648	case VIDIOCGCAP:
	649	case VIDIOCGCHAN:
	650	case VIDIOCSCHAN:
	651	case VIDIOCGPICT:
	652	case VIDIOCSPICT:
	653	case VIDIOCCAPTURE:
	654	case VIDIOCKEY:
	655	case VIDIOCGAUDIO:
	656	case VIDIOCSAUDIO:
	657	case VIDIOCSYNC:
	658	case VIDIOCMCAPTURE:
	659	case VIDIOCGMBUF:
	660	case VIDIOCGUNIT:
	661	case VIDIOCGCAPTURE:
	662	case VIDIOCSCAPTURE:
	663
	664	/* BTTV specific... */
	665	case _IOW('v', BASE_VIDIOCPRIVATE+0, char [256]):
	666	case _IOR('v', BASE_VIDIOCPRIVATE+1, char [256]):
	667	case _IOR('v' , BASE_VIDIOCPRIVATE+2, unsigned int):
	668	case _IOW('v' , BASE_VIDIOCPRIVATE+3, char [16]): /* struct bttv_pll_info */
	669	case _IOR('v' , BASE_VIDIOCPRIVATE+4, int):
	670	case _IOR('v' , BASE_VIDIOCPRIVATE+5, int):
	671	case _IOR('v' , BASE_VIDIOCPRIVATE+6, int):
	672	case _IOR('v' , BASE_VIDIOCPRIVATE+7, int):
	673	ret = native_ioctl(file, cmd, (unsigned long)compat_ptr(arg));
	674	break;