diff options
Diffstat (limited to 'drivers/media/video/compat_ioctl32.c')
| -rw-r--r-- | drivers/media/video/compat_ioctl32.c | 732 |
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 000000000000..6194b0125576 --- /dev/null +++ b/drivers/media/video/compat_ioctl32.c @@ -0,0 +1,732 @@ +/* + * 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_op->unlocked_ioctl) + ret = file->f_op->unlocked_ioctl(file, cmd, arg); + else if (file->f_op->ioctl) { + lock_kernel(); + ret = file->f_op->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 get_v4l2_framebuffer32(struct v4l2_framebuffer *kp, struct v4l2_framebuffer32 __user *up) +{ + u32 tmp; + + if (get_user(tmp, &up->base)) + return -EFAULT; + kp->base = compat_ptr(tmp); + __get_user(kp->capability, &up->capability); + __get_user(kp->flags, &up->flags); + get_v4l2_pix_format(&kp->fmt, &up->fmt); + return 0; +} + +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) +#define VIDIOC_S_FBUF32 _IOW ('V', 11, 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)vw); +} + +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_S_FBUF32: cmd = VIDIOC_S_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: + case VIDIOC_STREAMON: + case VIDIOC_STREAMOFF: + err = get_user(karg.vx, (u32 __user *)up); + compatible_arg = 0; + break; + + case VIDIOC_S_FBUF: + err = get_v4l2_framebuffer32(&karg.v2fb, 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 = native_ioctl(file, cmd, (unsigned long)up); + else { + mm_segment_t old_fs = get_fs(); + + set_fs(KERNEL_DS); + err = native_ioctl(file, 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_op->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: + case VIDIOC_QUERYCAP: + case VIDIOC_ENUM_FMT: + case VIDIOC_G_FMT32: + case VIDIOC_S_FMT32: + case VIDIOC_REQBUFS: + case VIDIOC_QUERYBUF32: + case VIDIOC_G_FBUF32: + case VIDIOC_S_FBUF32: + case VIDIOC_OVERLAY32: + case VIDIOC_QBUF32: + case VIDIOC_DQBUF32: + case VIDIOC_STREAMON32: + case VIDIOC_STREAMOFF32: + case VIDIOC_G_PARM: + case VIDIOC_G_STD: + case VIDIOC_S_STD: + case VIDIOC_ENUMSTD32: + case VIDIOC_ENUMINPUT32: + case VIDIOC_G_CTRL: + case VIDIOC_S_CTRL32: + case VIDIOC_QUERYCTRL: + case VIDIOC_G_INPUT32: + case VIDIOC_S_INPUT32: + case VIDIOC_TRY_FMT32: + 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; + } + return ret; +} +#else +long v4l_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg) +{ + return -ENOIOCTLCMD; +} +#endif +EXPORT_SYMBOL_GPL(v4l_compat_ioctl32); + +MODULE_LICENSE("GPL"); |