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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.c54
1 files changed, 51 insertions, 3 deletions
diff --git a/drivers/media/video/compat_ioctl32.c b/drivers/media/video/compat_ioctl32.c
index 353d02b67c3..b69ee119481 100644
--- a/drivers/media/video/compat_ioctl32.c
+++ b/drivers/media/video/compat_ioctl32.c
@@ -21,7 +21,7 @@
#ifdef CONFIG_COMPAT
-
+#ifdef CONFIG_VIDEO_V4L1_COMPAT
struct video_tuner32 {
compat_int_t tuner;
char name[32];
@@ -107,6 +107,7 @@ struct video_window32 {
compat_caddr_t clips;
compat_int_t clipcount;
};
+#endif
static int native_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
@@ -124,6 +125,7 @@ static int native_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
}
+#ifdef CONFIG_VIDEO_V4L1_COMPAT
/* You get back everything except the clips... */
static int put_video_window32(struct video_window *kp, struct video_window32 __user *up)
{
@@ -138,6 +140,7 @@ static int put_video_window32(struct video_window *kp, struct video_window32 __u
return -EFAULT;
return 0;
}
+#endif
struct v4l2_clip32
{
@@ -490,6 +493,24 @@ static inline int put_v4l2_input(struct v4l2_input *kp, struct v4l2_input __user
return 0;
}
+#ifdef CONFIG_VIDEO_V4L1_COMPAT
+struct video_code32
+{
+ char loadwhat[16]; /* name or tag of file being passed */
+ compat_int_t datasize;
+ unsigned char *data;
+};
+
+static inline int microcode32(struct video_code *kp, struct video_code32 __user *up)
+{
+ if(!access_ok(VERIFY_READ, up, sizeof(struct video_code32)) ||
+ copy_from_user(kp->loadwhat, up->loadwhat, sizeof (up->loadwhat)) ||
+ get_user(kp->datasize, &up->datasize) ||
+ copy_from_user(kp->data, up->data, up->datasize))
+ return -EFAULT;
+ return 0;
+}
+
#define VIDIOCGTUNER32 _IOWR('v',4, struct video_tuner32)
#define VIDIOCSTUNER32 _IOW('v',5, struct video_tuner32)
#define VIDIOCGWIN32 _IOR('v',9, struct video_window32)
@@ -498,6 +519,9 @@ static inline int put_v4l2_input(struct v4l2_input *kp, struct v4l2_input __user
#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)
+
+#endif
/* VIDIOC_ENUMINPUT32 is VIDIOC_ENUMINPUT minus 4 bytes of padding alignement */
#define VIDIOC_ENUMINPUT32 VIDIOC_ENUMINPUT - _IOC(0, 0, 0, 4)
@@ -519,6 +543,7 @@ static inline int put_v4l2_input(struct v4l2_input *kp, struct v4l2_input __user
#define VIDIOC_S_INPUT32 _IOWR ('V', 39, compat_int_t)
#define VIDIOC_TRY_FMT32 _IOWR ('V', 64, struct v4l2_format32)
+#ifdef CONFIG_VIDEO_V4L1_COMPAT
enum {
MaxClips = (~0U-sizeof(struct video_window))/sizeof(struct video_clip)
};
@@ -583,13 +608,17 @@ static int do_set_window(struct file *file, unsigned int cmd, unsigned long arg)
return native_ioctl(file, VIDIOCSWIN, (unsigned long)vw);
}
+#endif
static int 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_code vc;
+#endif
struct v4l2_format v2f;
struct v4l2_buffer v2b;
struct v4l2_framebuffer v2fb;
@@ -605,6 +634,7 @@ static int do_video_ioctl(struct file *file, unsigned int cmd, unsigned long arg
/* 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;
@@ -612,6 +642,8 @@ static int do_video_ioctl(struct file *file, unsigned int cmd, unsigned long arg
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;
@@ -631,6 +663,7 @@ static int do_video_ioctl(struct file *file, unsigned int cmd, unsigned long arg
};
switch(cmd) {
+#ifdef CONFIG_VIDEO_V4L1_COMPAT
case VIDIOCSTUNER:
case VIDIOCGTUNER:
err = get_video_tuner32(&karg.vt, up);
@@ -644,6 +677,7 @@ static int do_video_ioctl(struct file *file, unsigned int cmd, unsigned long arg
break;
case VIDIOCSFREQ:
+#endif
case VIDIOC_S_INPUT:
case VIDIOC_OVERLAY:
case VIDIOC_STREAMON:
@@ -697,14 +731,21 @@ static int do_video_ioctl(struct file *file, unsigned int cmd, unsigned long arg
compatible_arg = 0;
break;
+#ifdef CONFIG_VIDEO_V4L1_COMPAT
case VIDIOCGWIN:
case VIDIOCGFBUF:
case VIDIOCGFREQ:
+#endif
case VIDIOC_G_FBUF:
case VIDIOC_G_INPUT:
compatible_arg = 0;
+#ifdef CONFIG_VIDEO_V4L1_COMPAT
+ case VIDIOCSMICROCODE:
+ err = microcode32(&karg.vc, up);
+ compatible_arg = 0;
+ break;
+#endif
};
-
if(err)
goto out;
@@ -719,6 +760,7 @@ static int do_video_ioctl(struct file *file, unsigned int cmd, unsigned long arg
}
if(err == 0) {
switch(cmd) {
+#ifdef CONFIG_VIDEO_V4L1_COMPAT
case VIDIOCGTUNER:
err = put_video_tuner32(&karg.vt, up);
break;
@@ -730,7 +772,7 @@ static int do_video_ioctl(struct file *file, unsigned int cmd, unsigned long arg
case VIDIOCGFBUF:
err = put_video_buffer32(&karg.vb, up);
break;
-
+#endif
case VIDIOC_G_FBUF:
err = put_v4l2_framebuffer32(&karg.v2fb, up);
break;
@@ -768,7 +810,9 @@ static int do_video_ioctl(struct file *file, unsigned int cmd, unsigned long arg
err = put_v4l2_input32(&karg.v2i, up);
break;
+#ifdef CONFIG_VIDEO_V4L1_COMPAT
case VIDIOCGFREQ:
+#endif
case VIDIOC_G_INPUT:
err = put_user(((u32)karg.vx), (u32 __user *)up);
break;
@@ -786,6 +830,7 @@ long v4l_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg)
return ret;
switch (cmd) {
+#ifdef CONFIG_VIDEO_V4L1_COMPAT
case VIDIOCSWIN32:
ret = do_set_window(file, cmd, arg);
break;
@@ -796,6 +841,7 @@ long v4l_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg)
case VIDIOCSFBUF32:
case VIDIOCGFREQ32:
case VIDIOCSFREQ32:
+#endif
case VIDIOC_QUERYCAP:
case VIDIOC_ENUM_FMT:
case VIDIOC_G_FMT32:
@@ -827,6 +873,7 @@ long v4l_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg)
ret = do_video_ioctl(file, cmd, arg);
break;
+#ifdef CONFIG_VIDEO_V4L1_COMPAT
/* Little v, the video4linux ioctls (conflict?) */
case VIDIOCGCAP:
case VIDIOCGCHAN:
@@ -855,6 +902,7 @@ long v4l_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg)
case _IOR('v' , BASE_VIDIOCPRIVATE+7, int):
ret = native_ioctl(file, cmd, (unsigned long)compat_ptr(arg));
break;
+#endif
default:
v4l_print_ioctl("compat_ioctl32", cmd);
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-15 01:21:52 +0000