#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;
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);
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);
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;
/* 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;
}
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:
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:
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:
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",
projects / mv-sheeva.git / blobdiff