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path: root/drivers/media/video/videodev.c
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Diffstat (limited to 'drivers/media/video/videodev.c')
-rw-r--r--drivers/media/video/videodev.c175
1 files changed, 114 insertions, 61 deletions
diff --git a/drivers/media/video/videodev.c b/drivers/media/video/videodev.c
index d424a4129d6..6a0e8ca7294 100644
--- a/drivers/media/video/videodev.c
+++ b/drivers/media/video/videodev.c
@@ -105,7 +105,7 @@ static DEFINE_MUTEX(videodev_lock);
struct video_device* video_devdata(struct file *file)
{
- return video_device[iminor(file->f_dentry->d_inode)];
+ return video_device[iminor(file->f_path.dentry->d_inode)];
}
/*
@@ -342,7 +342,7 @@ static void dbgbuf(unsigned int cmd, struct video_device *vfd,
dbgarg (cmd, "%02ld:%02d:%02d.%08ld index=%d, type=%s, "
"bytesused=%d, flags=0x%08d, "
- "field=%0d, sequence=%d, memory=%s, offset/userptr=0x%08lx\n",
+ "field=%0d, sequence=%d, memory=%s, offset/userptr=0x%08lx, length=%d\n",
(p->timestamp.tv_sec/3600),
(int)(p->timestamp.tv_sec/60)%60,
(int)(p->timestamp.tv_sec%60),
@@ -352,7 +352,7 @@ static void dbgbuf(unsigned int cmd, struct video_device *vfd,
p->bytesused,p->flags,
p->field,p->sequence,
prt_names(p->memory,v4l2_memory_names),
- p->m.userptr);
+ p->m.userptr, p->length);
dbgarg2 ("timecode= %02d:%02d:%02d type=%d, "
"flags=0x%08d, frames=%d, userbits=0x%08x\n",
tc->hours,tc->minutes,tc->seconds,
@@ -369,9 +369,13 @@ static inline void dbgrect(struct video_device *vfd, char *s,
static inline void v4l_print_pix_fmt (struct video_device *vfd,
struct v4l2_pix_format *fmt)
{
- dbgarg2 ("width=%d, height=%d, format=0x%08x, field=%s, "
+ dbgarg2 ("width=%d, height=%d, format=%c%c%c%c, field=%s, "
"bytesperline=%d sizeimage=%d, colorspace=%d\n",
- fmt->width,fmt->height,fmt->pixelformat,
+ fmt->width,fmt->height,
+ (fmt->pixelformat & 0xff),
+ (fmt->pixelformat >> 8) & 0xff,
+ (fmt->pixelformat >> 16) & 0xff,
+ (fmt->pixelformat >> 24) & 0xff,
prt_names(fmt->field,v4l2_field_names_FIXME),
fmt->bytesperline,fmt->sizeimage,fmt->colorspace);
};
@@ -428,6 +432,10 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
v4l_print_ioctl(vfd->name, cmd);
}
+ if (_IOC_TYPE(cmd)=='v')
+ return v4l_compat_translate_ioctl(inode,file,cmd,arg,
+ __video_do_ioctl);
+
switch(cmd) {
/* --- capabilities ------------------------------------------ */
case VIDIOC_QUERYCAP:
@@ -526,12 +534,13 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
}
if (!ret)
dbgarg (cmd, "index=%d, type=%d, flags=%d, "
- "description=%s,"
- " pixelformat=0x%8x\n",
+ "pixelformat=%c%c%c%c, description='%s'\n",
f->index, f->type, f->flags,
- f->description,
- f->pixelformat);
-
+ (f->pixelformat & 0xff),
+ (f->pixelformat >> 8) & 0xff,
+ (f->pixelformat >> 16) & 0xff,
+ (f->pixelformat >> 24) & 0xff,
+ f->description);
break;
}
case VIDIOC_G_FMT:
@@ -829,20 +838,85 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
case VIDIOC_ENUMSTD:
{
struct v4l2_standard *p = arg;
- unsigned int index = p->index;
+ v4l2_std_id id = vfd->tvnorms,curr_id=0;
+ unsigned int index = p->index,i;
- if (!vfd->tvnormsize) {
- printk (KERN_WARNING "%s: no TV norms defined!\n",
- vfd->name);
+ if (index<0) {
+ ret=-EINVAL;
break;
}
- if (index<0 || index >= vfd->tvnormsize) {
- ret=-EINVAL;
- break;
+ /* Return norm array on a canonical way */
+ for (i=0;i<= index && id; i++) {
+ if ( (id & V4L2_STD_PAL) == V4L2_STD_PAL) {
+ curr_id = V4L2_STD_PAL;
+ } else if ( (id & V4L2_STD_PAL_BG) == V4L2_STD_PAL_BG) {
+ curr_id = V4L2_STD_PAL_BG;
+ } else if ( (id & V4L2_STD_PAL_DK) == V4L2_STD_PAL_DK) {
+ curr_id = V4L2_STD_PAL_DK;
+ } else if ( (id & V4L2_STD_PAL_B) == V4L2_STD_PAL_B) {
+ curr_id = V4L2_STD_PAL_B;
+ } else if ( (id & V4L2_STD_PAL_B1) == V4L2_STD_PAL_B1) {
+ curr_id = V4L2_STD_PAL_B1;
+ } else if ( (id & V4L2_STD_PAL_G) == V4L2_STD_PAL_G) {
+ curr_id = V4L2_STD_PAL_G;
+ } else if ( (id & V4L2_STD_PAL_H) == V4L2_STD_PAL_H) {
+ curr_id = V4L2_STD_PAL_H;
+ } else if ( (id & V4L2_STD_PAL_I) == V4L2_STD_PAL_I) {
+ curr_id = V4L2_STD_PAL_I;
+ } else if ( (id & V4L2_STD_PAL_D) == V4L2_STD_PAL_D) {
+ curr_id = V4L2_STD_PAL_D;
+ } else if ( (id & V4L2_STD_PAL_D1) == V4L2_STD_PAL_D1) {
+ curr_id = V4L2_STD_PAL_D1;
+ } else if ( (id & V4L2_STD_PAL_K) == V4L2_STD_PAL_K) {
+ curr_id = V4L2_STD_PAL_K;
+ } else if ( (id & V4L2_STD_PAL_M) == V4L2_STD_PAL_M) {
+ curr_id = V4L2_STD_PAL_M;
+ } else if ( (id & V4L2_STD_PAL_N) == V4L2_STD_PAL_N) {
+ curr_id = V4L2_STD_PAL_N;
+ } else if ( (id & V4L2_STD_PAL_Nc) == V4L2_STD_PAL_Nc) {
+ curr_id = V4L2_STD_PAL_Nc;
+ } else if ( (id & V4L2_STD_PAL_60) == V4L2_STD_PAL_60) {
+ curr_id = V4L2_STD_PAL_60;
+ } else if ( (id & V4L2_STD_NTSC) == V4L2_STD_NTSC) {
+ curr_id = V4L2_STD_NTSC;
+ } else if ( (id & V4L2_STD_NTSC_M) == V4L2_STD_NTSC_M) {
+ curr_id = V4L2_STD_NTSC_M;
+ } else if ( (id & V4L2_STD_NTSC_M_JP) == V4L2_STD_NTSC_M_JP) {
+ curr_id = V4L2_STD_NTSC_M_JP;
+ } else if ( (id & V4L2_STD_NTSC_443) == V4L2_STD_NTSC_443) {
+ curr_id = V4L2_STD_NTSC_443;
+ } else if ( (id & V4L2_STD_NTSC_M_KR) == V4L2_STD_NTSC_M_KR) {
+ curr_id = V4L2_STD_NTSC_M_KR;
+ } else if ( (id & V4L2_STD_SECAM) == V4L2_STD_SECAM) {
+ curr_id = V4L2_STD_SECAM;
+ } else if ( (id & V4L2_STD_SECAM_DK) == V4L2_STD_SECAM_DK) {
+ curr_id = V4L2_STD_SECAM_DK;
+ } else if ( (id & V4L2_STD_SECAM_B) == V4L2_STD_SECAM_B) {
+ curr_id = V4L2_STD_SECAM_B;
+ } else if ( (id & V4L2_STD_SECAM_D) == V4L2_STD_SECAM_D) {
+ curr_id = V4L2_STD_SECAM_D;
+ } else if ( (id & V4L2_STD_SECAM_G) == V4L2_STD_SECAM_G) {
+ curr_id = V4L2_STD_SECAM_G;
+ } else if ( (id & V4L2_STD_SECAM_H) == V4L2_STD_SECAM_H) {
+ curr_id = V4L2_STD_SECAM_H;
+ } else if ( (id & V4L2_STD_SECAM_K) == V4L2_STD_SECAM_K) {
+ curr_id = V4L2_STD_SECAM_K;
+ } else if ( (id & V4L2_STD_SECAM_K1) == V4L2_STD_SECAM_K1) {
+ curr_id = V4L2_STD_SECAM_K1;
+ } else if ( (id & V4L2_STD_SECAM_L) == V4L2_STD_SECAM_L) {
+ curr_id = V4L2_STD_SECAM_L;
+ } else if ( (id & V4L2_STD_SECAM_LC) == V4L2_STD_SECAM_LC) {
+ curr_id = V4L2_STD_SECAM_LC;
+ } else {
+ break;
+ }
+ id &= ~curr_id;
}
- v4l2_video_std_construct(p, vfd->tvnorms[p->index].id,
- vfd->tvnorms[p->index].name);
+ if (i<=index)
+ return -EINVAL;
+
+ v4l2_video_std_construct(p, curr_id,v4l2_norm_to_name(curr_id));
p->index = index;
dbgarg (cmd, "index=%d, id=%Ld, name=%s, fps=%d/%d, "
@@ -868,39 +942,23 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
}
case VIDIOC_S_STD:
{
- v4l2_std_id *id = arg;
- unsigned int i;
-
- if (!vfd->tvnormsize) {
- printk (KERN_WARNING "%s: no TV norms defined!\n",
- vfd->name);
- break;
- }
+ v4l2_std_id *id = arg,norm;
dbgarg (cmd, "value=%Lu\n", (long long unsigned) *id);
- /* First search for exact match */
- for (i = 0; i < vfd->tvnormsize; i++)
- if (*id == vfd->tvnorms[i].id)
- break;
- /* Then for a generic video std that contains desired std */
- if (i == vfd->tvnormsize)
- for (i = 0; i < vfd->tvnormsize; i++)
- if (*id & vfd->tvnorms[i].id)
- break;
- if (i == vfd->tvnormsize) {
+ norm = (*id) & vfd->tvnorms;
+ if ( vfd->tvnorms && !norm) /* Check if std is supported */
break;
- }
/* Calls the specific handler */
if (vfd->vidioc_s_std)
- ret=vfd->vidioc_s_std(file, fh, i);
+ ret=vfd->vidioc_s_std(file, fh, &norm);
else
ret=-EINVAL;
/* Updates standard information */
- if (!ret)
- vfd->current_norm=*id;
+ if (ret>=0)
+ vfd->current_norm=norm;
break;
}
@@ -1088,9 +1146,13 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
case VIDIOC_G_AUDIO:
{
struct v4l2_audio *p=arg;
+ __u32 index=p->index;
if (!vfd->vidioc_g_audio)
break;
+
+ memset(p,0,sizeof(*p));
+ p->index=index;
dbgarg(cmd, "Get for index=%d\n", p->index);
ret=vfd->vidioc_g_audio(file, fh, p);
if (!ret)
@@ -1288,25 +1350,12 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
ret=vfd->vidioc_g_parm(file, fh, p);
} else {
struct v4l2_standard s;
- int i;
-
- if (!vfd->tvnormsize) {
- printk (KERN_WARNING "%s: no TV norms defined!\n",
- vfd->name);
- break;
- }
if (p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
- for (i = 0; i < vfd->tvnormsize; i++)
- if (vfd->tvnorms[i].id == vfd->current_norm)
- break;
- if (i >= vfd->tvnormsize)
- return -EINVAL;
-
v4l2_video_std_construct(&s, vfd->current_norm,
- vfd->tvnorms[i].name);
+ v4l2_norm_to_name(vfd->current_norm));
memset(p,0,sizeof(*p));
@@ -1329,8 +1378,14 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
case VIDIOC_G_TUNER:
{
struct v4l2_tuner *p=arg;
+ __u32 index=p->index;
+
if (!vfd->vidioc_g_tuner)
break;
+
+ memset(p,0,sizeof(*p));
+ p->index=index;
+
ret=vfd->vidioc_g_tuner(file, fh, p);
if (!ret)
dbgarg (cmd, "index=%d, name=%s, type=%d, "
@@ -1363,6 +1418,9 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
struct v4l2_frequency *p=arg;
if (!vfd->vidioc_g_frequency)
break;
+
+ memset(p,0,sizeof(*p));
+
ret=vfd->vidioc_g_frequency(file, fh, p);
if (!ret)
dbgarg (cmd, "tuner=%d, type=%d, frequency=%d\n",
@@ -1396,12 +1454,7 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
ret=vfd->vidioc_log_status(file, fh);
break;
}
-
- /* --- Others --------------------------------------------- */
-
- default:
- ret=v4l_compat_translate_ioctl(inode,file,cmd,arg,__video_do_ioctl);
- }
+ } /* switch */
if (vfd->debug & V4L2_DEBUG_IOCTL_ARG) {
if (ret<0) {
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-25 05:39:42 +0000