diff options
Diffstat (limited to 'drivers/media/video/v4l2-compat-ioctl32.c')
| -rw-r--r-- | drivers/media/video/v4l2-compat-ioctl32.c | 330 |
1 files changed, 0 insertions, 330 deletions
diff --git a/drivers/media/video/v4l2-compat-ioctl32.c b/drivers/media/video/v4l2-compat-ioctl32.c index e30e8dfb620..dc82eb83c1d 100644 --- a/drivers/media/video/v4l2-compat-ioctl32.c +++ b/drivers/media/video/v4l2-compat-ioctl32.c @@ -15,219 +15,12 @@ #include <linux/compat.h> #define __OLD_VIDIOC_ /* To allow fixing old calls*/ -#include <linux/videodev.h> #include <linux/videodev2.h> #include <linux/module.h> #include <media/v4l2-ioctl.h> #ifdef CONFIG_COMPAT -#ifdef CONFIG_VIDEO_V4L1_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 (!access_ok(VERIFY_READ, up, sizeof(struct video_tuner32)) || - get_user(kp->tuner, &up->tuner) || - 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 -EFAULT; - return 0; -} - -static int put_video_tuner32(struct video_tuner *kp, struct video_tuner32 __user *up) -{ - if (!access_ok(VERIFY_WRITE, up, sizeof(struct video_tuner32)) || - put_user(kp->tuner, &up->tuner) || - 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 -EFAULT; - 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 (!access_ok(VERIFY_READ, up, sizeof(struct video_buffer32)) || - get_user(tmp, &up->base) || - 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 -EFAULT; - - /* This is actually a physical address stored - * as a void pointer. - */ - kp->base = (void *)(unsigned long) tmp; - - return 0; -} - -static int put_video_buffer32(struct video_buffer *kp, struct video_buffer32 __user *up) -{ - u32 tmp = (u32)((unsigned long)kp->base); - - if (!access_ok(VERIFY_WRITE, up, sizeof(struct video_buffer32)) || - put_user(tmp, &up->base) || - 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 -EFAULT; - return 0; -} - -struct video_clip32 { - s32 x, y, width, height; /* It's 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 get_video_window32(struct video_window *kp, struct video_window32 __user *up) -{ - struct video_clip __user *uclips; - struct video_clip __user *kclips; - compat_caddr_t p; - int nclips; - - if (!access_ok(VERIFY_READ, up, sizeof(struct video_window32))) - return -EFAULT; - - if (get_user(nclips, &up->clipcount)) - return -EFAULT; - - if (!access_ok(VERIFY_READ, up, sizeof(struct video_window32)) || - get_user(kp->x, &up->x) || - get_user(kp->y, &up->y) || - get_user(kp->width, &up->width) || - get_user(kp->height, &up->height) || - get_user(kp->chromakey, &up->chromakey) || - get_user(kp->flags, &up->flags) || - get_user(kp->clipcount, &up->clipcount)) - return -EFAULT; - - nclips = kp->clipcount; - kp->clips = NULL; - - if (nclips == 0) - return 0; - if (get_user(p, &up->clips)) - return -EFAULT; - uclips = compat_ptr(p); - - /* If nclips < 0, then it is a clipping bitmap of size - VIDEO_CLIPMAP_SIZE */ - if (nclips < 0) { - if (!access_ok(VERIFY_READ, uclips, VIDEO_CLIPMAP_SIZE)) - return -EFAULT; - kp->clips = compat_alloc_user_space(VIDEO_CLIPMAP_SIZE); - if (copy_in_user(kp->clips, uclips, VIDEO_CLIPMAP_SIZE)) - return -EFAULT; - return 0; - } - - /* Otherwise it is an array of video_clip structs. */ - if (!access_ok(VERIFY_READ, uclips, nclips * sizeof(struct video_clip))) - return -EFAULT; - - kp->clips = compat_alloc_user_space(nclips * sizeof(struct video_clip)); - kclips = kp->clips; - while (nclips--) { - int err; - - err = copy_in_user(&kclips->x, &uclips->x, sizeof(kclips->x)); - err |= copy_in_user(&kclips->y, &uclips->y, sizeof(kclips->y)); - err |= copy_in_user(&kclips->width, &uclips->width, sizeof(kclips->width)); - err |= copy_in_user(&kclips->height, &uclips->height, sizeof(kclips->height)); - kclips->next = NULL; - if (err) - return -EFAULT; - kclips++; - uclips++; - } - return 0; -} - -/* You get back everything except the clips... */ -static int put_video_window32(struct video_window *kp, struct video_window32 __user *up) -{ - if (!access_ok(VERIFY_WRITE, up, sizeof(struct video_window32)) || - put_user(kp->x, &up->x) || - 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 -EFAULT; - return 0; -} - -struct video_code32 { - char loadwhat[16]; /* name or tag of file being passed */ - compat_int_t datasize; - compat_uptr_t data; -}; - -static struct video_code __user *get_microcode32(struct video_code32 *kp) -{ - struct video_code __user *up; - - up = compat_alloc_user_space(sizeof(*up)); - - /* - * NOTE! We don't actually care if these fail. If the - * user address is invalid, the native ioctl will do - * the error handling for us - */ - (void) copy_to_user(up->loadwhat, kp->loadwhat, sizeof(up->loadwhat)); - (void) put_user(kp->datasize, &up->datasize); - (void) put_user(compat_ptr(kp->data), &up->data); - return up; -} - -#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 VIDIOCSMICROCODE32 _IOW('v', 27, struct video_code32) - -#define VIDIOCCAPTURE32 _IOW('v', 8, s32) -#define VIDIOCSYNC32 _IOW('v', 18, s32) -#define VIDIOCSWRITEMODE32 _IOW('v', 25, s32) - -#endif - static long native_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { long ret = -ENOIOCTLCMD; @@ -372,8 +165,6 @@ static int get_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user if (copy_from_user(kp, up, sizeof(kp->fmt.raw_data))) return -EFAULT; return 0; - case 0: - return -EINVAL; default: printk(KERN_INFO "compat_ioctl32: unexpected VIDIOC_FMT type %d\n", kp->type); @@ -403,8 +194,6 @@ static int put_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user if (copy_to_user(up, kp, sizeof(up->fmt.raw_data))) return -EFAULT; return 0; - case 0: - return -EINVAL; default: printk(KERN_INFO "compat_ioctl32: unexpected VIDIOC_FMT type %d\n", kp->type); @@ -741,13 +530,6 @@ static int put_v4l2_ext_controls32(struct v4l2_ext_controls *kp, struct v4l2_ext static long do_video_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { union { -#ifdef CONFIG_VIDEO_V4L1_COMPAT - struct video_tuner vt; - struct video_buffer vb; - struct video_window vw; - struct video_code32 vc; - struct video_audio va; -#endif struct v4l2_format v2f; struct v4l2_buffer v2b; struct v4l2_framebuffer v2fb; @@ -763,17 +545,6 @@ static long do_video_ioctl(struct file *file, unsigned int cmd, unsigned long ar /* First, convert the command. */ switch (cmd) { -#ifdef CONFIG_VIDEO_V4L1_COMPAT - case VIDIOCGTUNER32: cmd = VIDIOCGTUNER; break; - case VIDIOCSTUNER32: cmd = VIDIOCSTUNER; break; - case VIDIOCGWIN32: cmd = VIDIOCGWIN; break; - case VIDIOCSWIN32: cmd = VIDIOCSWIN; break; - case VIDIOCGFBUF32: cmd = VIDIOCGFBUF; break; - case VIDIOCSFBUF32: cmd = VIDIOCSFBUF; break; - case VIDIOCGFREQ32: cmd = VIDIOCGFREQ; break; - case VIDIOCSFREQ32: cmd = VIDIOCSFREQ; break; - case VIDIOCSMICROCODE32: cmd = VIDIOCSMICROCODE; break; -#endif 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; @@ -800,46 +571,6 @@ static long do_video_ioctl(struct file *file, unsigned int cmd, unsigned long ar } switch (cmd) { -#ifdef CONFIG_VIDEO_V4L1_COMPAT - 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 VIDIOCSWIN: - err = get_video_window32(&karg.vw, up); - compatible_arg = 0; - break; - - case VIDIOCGWIN: - case VIDIOCGFBUF: - case VIDIOCGFREQ: - compatible_arg = 0; - break; - - case VIDIOCSMICROCODE: - /* Copy the 32-bit "video_code32" to kernel space */ - if (copy_from_user(&karg.vc, up, sizeof(karg.vc))) - return -EFAULT; - /* Convert the 32-bit version to a 64-bit version in user space */ - up = get_microcode32(&karg.vc); - break; - - case VIDIOCSFREQ: - err = get_user(karg.vx, (u32 __user *)up); - compatible_arg = 0; - break; - - case VIDIOCCAPTURE: - case VIDIOCSYNC: - case VIDIOCSWRITEMODE: -#endif case VIDIOC_OVERLAY: case VIDIOC_STREAMON: case VIDIOC_STREAMOFF: @@ -922,23 +653,6 @@ static long do_video_ioctl(struct file *file, unsigned int cmd, unsigned long ar return err; switch (cmd) { -#ifdef CONFIG_VIDEO_V4L1_COMPAT - 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 VIDIOCGFREQ: - err = put_user(((u32)karg.vx), (u32 __user *)up); - break; -#endif case VIDIOC_S_INPUT: case VIDIOC_S_OUTPUT: case VIDIOC_G_INPUT: @@ -981,37 +695,6 @@ long v4l2_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg) return ret; switch (cmd) { -#ifdef CONFIG_VIDEO_V4L1_COMPAT - case VIDIOCGCAP: - case VIDIOCGCHAN: - case VIDIOCSCHAN: - case VIDIOCGTUNER32: - case VIDIOCSTUNER32: - case VIDIOCGPICT: - case VIDIOCSPICT: - case VIDIOCCAPTURE32: - case VIDIOCGWIN32: - case VIDIOCSWIN32: - case VIDIOCGFBUF32: - case VIDIOCSFBUF32: - case VIDIOCKEY: - case VIDIOCGFREQ32: - case VIDIOCSFREQ32: - case VIDIOCGAUDIO: - case VIDIOCSAUDIO: - case VIDIOCSYNC32: - case VIDIOCMCAPTURE: - case VIDIOCGMBUF: - case VIDIOCGUNIT: - case VIDIOCGCAPTURE: - case VIDIOCSCAPTURE: - case VIDIOCSPLAYMODE: - case VIDIOCSWRITEMODE32: - case VIDIOCGPLAYINFO: - case VIDIOCSMICROCODE32: - case VIDIOCGVBIFMT: - case VIDIOCSVBIFMT: -#endif #ifdef __OLD_VIDIOC_ case VIDIOC_OVERLAY32_OLD: case VIDIOC_S_PARM_OLD: @@ -1096,19 +779,6 @@ long v4l2_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg) ret = do_video_ioctl(file, cmd, arg); break; -#ifdef CONFIG_VIDEO_V4L1_COMPAT - /* 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; -#endif default: printk(KERN_WARNING "compat_ioctl32: " "unknown ioctl '%c', dir=%d, #%d (0x%08x)\n", |