16 files changed, 336 insertions, 1 deletions

diff --git a/drivers/media/video/Makefile b/drivers/media/video/Makefile
index 82060f9909d8..618a08ab940a 100644
--- a/drivers/media/video/Makefile
+++ b/drivers/media/video/Makefile
@@ -8,7 +8,8 @@ zoran-objs      :=	zr36120.o zr36120_i2c.o zr36120_mem.o
 zr36067-objs    :=      zoran_procfs.o zoran_device.o \
                         zoran_driver.o zoran_card.o
 tuner-objs      :=      tuner-core.o tuner-simple.o mt20xx.o tda8290.o tea5767.o
-obj-$(CONFIG_VIDEO_DEV) += videodev.o v4l2-common.o v4l1-compat.o
+
+obj-$(CONFIG_VIDEO_DEV) += videodev.o v4l2-common.o v4l1-compat.o compat_ioctl32.o
 
 obj-$(CONFIG_VIDEO_BT848) += bttv.o msp3400.o tvaudio.o \
         tda7432.o tda9875.o ir-kbd-i2c.o ir-kbd-gpio.o
diff --git a/drivers/media/video/arv.c b/drivers/media/video/arv.c
index 881cdcb1875d..7d5a068353f2 100644
--- a/drivers/media/video/arv.c
+++ b/drivers/media/video/arv.c
@@ -749,6 +749,7 @@ static struct file_operations ar_fops = {
         .release        = video_exclusive_release,
         .read           = ar_read,
         .ioctl          = ar_ioctl,
+        .compat_ioctl   = v4l_compat_ioctl32,
         .llseek         = no_llseek,
 };
 
diff --git a/drivers/media/video/bttv-driver.c b/drivers/media/video/bttv-driver.c
index 1ddf9ba613ef..03f925724ce9 100644
--- a/drivers/media/video/bttv-driver.c
+++ b/drivers/media/video/bttv-driver.c
@@ -3120,6 +3120,7 @@ static struct file_operations bttv_fops =
         .open     = bttv_open,
         .release  = bttv_release,
         .ioctl    = bttv_ioctl,
+        .compat_ioctl   = v4l_compat_ioctl32,
         .llseek   = no_llseek,
         .read     = bttv_read,
         .mmap     = bttv_mmap,
diff --git a/drivers/media/video/bw-qcam.c b/drivers/media/video/bw-qcam.c
index 0065d0c240d1..6bad93ef969f 100644
--- a/drivers/media/video/bw-qcam.c
+++ b/drivers/media/video/bw-qcam.c
@@ -875,6 +875,7 @@ static struct file_operations qcam_fops = {
         .open           = video_exclusive_open,
         .release        = video_exclusive_release,
         .ioctl          = qcam_ioctl,
+        .compat_ioctl   = v4l_compat_ioctl32,
         .read           = qcam_read,
         .llseek         = no_llseek,
 };
diff --git a/drivers/media/video/c-qcam.c b/drivers/media/video/c-qcam.c
index 75442ec49f35..9976db4f6da8 100644
--- a/drivers/media/video/c-qcam.c
+++ b/drivers/media/video/c-qcam.c
@@ -687,6 +687,7 @@ static struct file_operations qcam_fops = {
         .open           = video_exclusive_open,
         .release        = video_exclusive_release,
         .ioctl          = qcam_ioctl,
+        .compat_ioctl   = v4l_compat_ioctl32,
         .read           = qcam_read,
         .llseek         = no_llseek,
 };
diff --git a/drivers/media/video/compat_ioctl32.c b/drivers/media/video/compat_ioctl32.c
new file mode 100644
index 000000000000..42dc11c63c0d
--- /dev/null
+++ b/drivers/media/video/compat_ioctl32.c
@@ -0,0 +1,318 @@
+#include <linux/config.h>
+#include <linux/compat.h>
+#include <linux/videodev.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)
+{
+        int i;
+
+        if(get_user(kp->tuner, &up->tuner))
+                return -EFAULT;
+        for(i = 0; i < 32; i++)
+                __get_user(kp->name[i], &up->name[i]);
+        __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)
+{
+        int i;
+
+        if(put_user(kp->tuner, &up->tuner))
+                return -EFAULT;
+        for(i = 0; i < 32; i++)
+                __put_user(kp->name[i], &up->name[i]);
+        __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;
+}
+
+#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)
+
+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;
+                unsigned long vx;
+        } karg;
+        mm_segment_t old_fs = get_fs();
+        void __user *up = compat_ptr(arg);
+        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;
+        };
+
+        switch(cmd) {
+        case VIDIOCSTUNER:
+        case VIDIOCGTUNER:
+                err = get_video_tuner32(&karg.vt, up);
+                break;
+
+        case VIDIOCSFBUF:
+                err = get_video_buffer32(&karg.vb, up);
+                break;
+
+        case VIDIOCSFREQ:
+                err = get_user(karg.vx, (u32 __user *)up);
+                break;
+        };
+        if(err)
+                goto out;
+
+        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 VIDIOCGFREQ:
+                        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;
+
+        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);
diff --git a/drivers/media/video/cpia.c b/drivers/media/video/cpia.c
index b7ec9bf45085..9f59541155d9 100644
--- a/drivers/media/video/cpia.c
+++ b/drivers/media/video/cpia.c
@@ -3807,6 +3807,7 @@ static struct file_operations cpia_fops = {
         .read           = cpia_read,
         .mmap           = cpia_mmap,
         .ioctl          = cpia_ioctl,
+        .compat_ioctl   = v4l_compat_ioctl32,
         .llseek         = no_llseek,
 };
 
diff --git a/drivers/media/video/cx88/cx88-video.c b/drivers/media/video/cx88/cx88-video.c
index 24a48f8a48c1..bc025c46aedf 100644
--- a/drivers/media/video/cx88/cx88-video.c
+++ b/drivers/media/video/cx88/cx88-video.c
@@ -1740,6 +1740,7 @@ static struct file_operations video_fops =
         .poll          = video_poll,
         .mmap          = video_mmap,
         .ioctl         = video_ioctl,
+        .compat_ioctl  = v4l_compat_ioctl32,
         .llseek        = no_llseek,
 };
 
@@ -1767,6 +1768,7 @@ static struct file_operations radio_fops =
         .open          = video_open,
         .release       = video_release,
         .ioctl         = radio_ioctl,
+        .compat_ioctl  = v4l_compat_ioctl32,
         .llseek        = no_llseek,
 };
 
diff --git a/drivers/media/video/meye.c b/drivers/media/video/meye.c
index 3f2a882bc20a..2869464aee0d 100644
--- a/drivers/media/video/meye.c
+++ b/drivers/media/video/meye.c
@@ -1754,6 +1754,7 @@ static struct file_operations meye_fops = {
         .release        = meye_release,
         .mmap           = meye_mmap,
         .ioctl          = meye_ioctl,
+        .compat_ioctl   = v4l_compat_ioctl32,
         .poll           = meye_poll,
         .llseek         = no_llseek,
 };
diff --git a/drivers/media/video/pms.c b/drivers/media/video/pms.c
index 2504207b2e3d..9e6448639480 100644
--- a/drivers/media/video/pms.c
+++ b/drivers/media/video/pms.c
@@ -883,6 +883,7 @@ static struct file_operations pms_fops = {
         .open           = video_exclusive_open,
         .release        = video_exclusive_release,
         .ioctl          = pms_ioctl,
+        .compat_ioctl   = v4l_compat_ioctl32,
         .read           = pms_read,
         .llseek         = no_llseek,
 };
diff --git a/drivers/media/video/saa5249.c b/drivers/media/video/saa5249.c
index a51c7bd96618..73b4f0e2abf0 100644
--- a/drivers/media/video/saa5249.c
+++ b/drivers/media/video/saa5249.c
@@ -702,6 +702,7 @@ static struct file_operations saa_fops = {
         .open           = saa5249_open,
         .release        = saa5249_release,
         .ioctl          = saa5249_ioctl,
+        .compat_ioctl   = v4l_compat_ioctl32,
         .llseek         = no_llseek,
 };
 
diff --git a/drivers/media/video/saa7134/saa7134-video.c b/drivers/media/video/saa7134/saa7134-video.c
index 45c852df13ed..9b9e1e7f05ef 100644
--- a/drivers/media/video/saa7134/saa7134-video.c
+++ b/drivers/media/video/saa7134/saa7134-video.c
@@ -2262,6 +2262,7 @@ static struct file_operations video_fops =
         .poll     = video_poll,
         .mmap     = video_mmap,
         .ioctl    = video_ioctl,
+        .compat_ioctl   = v4l_compat_ioctl32,
         .llseek   = no_llseek,
 };
 
@@ -2271,6 +2272,7 @@ static struct file_operations radio_fops =
         .open     = video_open,
         .release  = video_release,
         .ioctl    = radio_ioctl,
+        .compat_ioctl   = v4l_compat_ioctl32,
         .llseek   = no_llseek,
 };
 
diff --git a/drivers/media/video/stradis.c b/drivers/media/video/stradis.c
index d4497dbae05c..6ee54a45411f 100644
--- a/drivers/media/video/stradis.c
+++ b/drivers/media/video/stradis.c
@@ -1974,6 +1974,7 @@ static struct file_operations saa_fops =
         .open           = saa_open,
         .release        = saa_release,
         .ioctl          = saa_ioctl,
+        .compat_ioctl   = v4l_compat_ioctl32,
         .read           = saa_read,
         .llseek         = no_llseek,
         .write          = saa_write,
diff --git a/drivers/media/video/w9966.c b/drivers/media/video/w9966.c
index c318ba32fbaf..b7b0afffd214 100644
--- a/drivers/media/video/w9966.c
+++ b/drivers/media/video/w9966.c
@@ -187,6 +187,7 @@ static struct file_operations w9966_fops = {
         .open           = video_exclusive_open,
         .release        = video_exclusive_release,
         .ioctl          = w9966_v4l_ioctl,
+        .compat_ioctl   = v4l_compat_ioctl32,
         .read           = w9966_v4l_read,
         .llseek         = no_llseek,
 };
diff --git a/drivers/media/video/zoran_driver.c b/drivers/media/video/zoran_driver.c
index 4034f1b45366..15283f44e79f 100644
--- a/drivers/media/video/zoran_driver.c
+++ b/drivers/media/video/zoran_driver.c
@@ -4678,6 +4678,7 @@ static struct file_operations zoran_fops = {
         .open = zoran_open,
         .release = zoran_close,
         .ioctl = zoran_ioctl,
+        .compat_ioctl   = v4l_compat_ioctl32,
         .llseek = no_llseek,
         .read = zoran_read,
         .write = zoran_write,
diff --git a/drivers/media/video/zr36120.c b/drivers/media/video/zr36120.c
index 07286816d7df..d4c633b8a7f5 100644
--- a/drivers/media/video/zr36120.c
+++ b/drivers/media/video/zr36120.c
@@ -1490,6 +1490,7 @@ static struct video_device zr36120_template=
         .write          = zoran_write,
         .poll           = zoran_poll,
         .ioctl          = zoran_ioctl,
+        .compat_ioctl   = v4l_compat_ioctl32,
         .mmap           = zoran_mmap,
         .minor          = -1,
 };