aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorHans Verkuil <hans.verkuil@cisco.com>2013-04-13 07:41:29 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2013-04-16 18:02:54 -0300
commit95c232a24b73199f464e3234510ae4729196f38d (patch)
treed5bf425511367d1610a4d7769971f008ff09c469
parent6b1dce251fa21caea4e0021fd3fd0d8dcdece784 (diff)
[media] cx25821: make lots of externals static
A lot of functions and variables were external when they really can be declared as static. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
-rw-r--r--drivers/media/pci/cx25821/cx25821-video.c313
-rw-r--r--drivers/media/pci/cx25821/cx25821-video.h74
-rw-r--r--drivers/media/pci/cx25821/cx25821.h9
3 files changed, 153 insertions, 243 deletions
diff --git a/drivers/media/pci/cx25821/cx25821-video.c b/drivers/media/pci/cx25821/cx25821-video.c
index 9ddc7ac03a73..9e948eff6b88 100644
--- a/drivers/media/pci/cx25821/cx25821-video.c
+++ b/drivers/media/pci/cx25821/cx25821-video.c
@@ -46,15 +46,13 @@ static unsigned int irq_debug;
module_param(irq_debug, int, 0644);
MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]");
-unsigned int vid_limit = 16;
+static unsigned int vid_limit = 16;
module_param(vid_limit, int, 0644);
MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes");
-static void cx25821_init_controls(struct cx25821_dev *dev, int chan_num);
-
#define FORMAT_FLAGS_PACKED 0x01
-struct cx25821_fmt formats[] = {
+static const struct cx25821_fmt formats[] = {
{
.name = "8 bpp, gray",
.fourcc = V4L2_PIX_FMT_GREY,
@@ -83,12 +81,7 @@ struct cx25821_fmt formats[] = {
},
};
-int cx25821_get_format_size(void)
-{
- return ARRAY_SIZE(formats);
-}
-
-struct cx25821_fmt *cx25821_format_by_fourcc(unsigned int fourcc)
+static const struct cx25821_fmt *cx25821_format_by_fourcc(unsigned int fourcc)
{
unsigned int i;
@@ -138,7 +131,7 @@ void cx25821_video_wakeup(struct cx25821_dev *dev, struct cx25821_dmaqueue *q,
pr_err("%s: %d buffers handled (should be 1)\n", __func__, bc);
}
-int cx25821_set_tvnorm(struct cx25821_dev *dev, v4l2_std_id norm)
+static int cx25821_set_tvnorm(struct cx25821_dev *dev, v4l2_std_id norm)
{
dprintk(1, "%s(norm = 0x%08x) name: [%s]\n",
__func__, (unsigned int)norm, v4l2_norm_to_name(norm));
@@ -151,7 +144,7 @@ int cx25821_set_tvnorm(struct cx25821_dev *dev, v4l2_std_id norm)
return 0;
}
-struct video_device *cx25821_vdev_init(struct cx25821_dev *dev,
+static struct video_device *cx25821_vdev_init(struct cx25821_dev *dev,
struct pci_dev *pci,
const struct video_device *template,
char *type)
@@ -237,7 +230,7 @@ void cx25821_res_free(struct cx25821_dev *dev, struct cx25821_fh *fh,
mutex_unlock(&dev->lock);
}
-int cx25821_video_mux(struct cx25821_dev *dev, unsigned int input)
+static int cx25821_video_mux(struct cx25821_dev *dev, unsigned int input)
{
struct v4l2_routing route;
memset(&route, 0, sizeof(route));
@@ -403,7 +396,7 @@ int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status)
return handled;
}
-int cx25821_buffer_setup(struct videobuf_queue *q, unsigned int *count,
+static int cx25821_buffer_setup(struct videobuf_queue *q, unsigned int *count,
unsigned int *size)
{
struct cx25821_fh *fh = q->priv_data;
@@ -419,7 +412,7 @@ int cx25821_buffer_setup(struct videobuf_queue *q, unsigned int *count,
return 0;
}
-int cx25821_buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
+static int cx25821_buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
enum v4l2_field field)
{
struct cx25821_fh *fh = q->priv_data;
@@ -546,7 +539,7 @@ fail:
return rc;
}
-void cx25821_buffer_release(struct videobuf_queue *q,
+static void cx25821_buffer_release(struct videobuf_queue *q,
struct videobuf_buffer *vb)
{
struct cx25821_buffer *buf =
@@ -555,7 +548,7 @@ void cx25821_buffer_release(struct videobuf_queue *q,
cx25821_free_buffer(q, buf);
}
-struct videobuf_queue *get_queue(struct cx25821_fh *fh)
+static struct videobuf_queue *get_queue(struct cx25821_fh *fh)
{
switch (fh->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
@@ -566,7 +559,7 @@ struct videobuf_queue *get_queue(struct cx25821_fh *fh)
}
}
-int cx25821_get_resource(struct cx25821_fh *fh, int resource)
+static int cx25821_get_resource(struct cx25821_fh *fh, int resource)
{
switch (fh->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
@@ -577,7 +570,7 @@ int cx25821_get_resource(struct cx25821_fh *fh, int resource)
}
}
-int cx25821_video_mmap(struct file *file, struct vm_area_struct *vma)
+static int cx25821_video_mmap(struct file *file, struct vm_area_struct *vma)
{
struct cx25821_fh *fh = file->private_data;
@@ -795,6 +788,70 @@ static int video_release(struct file *file)
return 0;
}
+/* VIDEO IOCTLS */
+static int cx25821_vidioc_g_fmt_vid_cap(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct cx25821_fh *fh = priv;
+
+ f->fmt.pix.width = fh->width;
+ f->fmt.pix.height = fh->height;
+ f->fmt.pix.field = fh->vidq.field;
+ f->fmt.pix.pixelformat = fh->fmt->fourcc;
+ f->fmt.pix.bytesperline = (f->fmt.pix.width * fh->fmt->depth) >> 3;
+ f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline;
+
+ return 0;
+}
+
+static int cx25821_vidioc_try_fmt_vid_cap(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ const struct cx25821_fmt *fmt;
+ enum v4l2_field field;
+ unsigned int maxw, maxh;
+
+ fmt = cx25821_format_by_fourcc(f->fmt.pix.pixelformat);
+ if (NULL == fmt)
+ return -EINVAL;
+
+ field = f->fmt.pix.field;
+ maxw = 720;
+ maxh = 576;
+
+ if (V4L2_FIELD_ANY == field) {
+ if (f->fmt.pix.height > maxh / 2)
+ field = V4L2_FIELD_INTERLACED;
+ else
+ field = V4L2_FIELD_TOP;
+ }
+
+ switch (field) {
+ case V4L2_FIELD_TOP:
+ case V4L2_FIELD_BOTTOM:
+ maxh = maxh / 2;
+ break;
+ case V4L2_FIELD_INTERLACED:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ f->fmt.pix.field = field;
+ if (f->fmt.pix.height < 32)
+ f->fmt.pix.height = 32;
+ if (f->fmt.pix.height > maxh)
+ f->fmt.pix.height = maxh;
+ if (f->fmt.pix.width < 48)
+ f->fmt.pix.width = 48;
+ if (f->fmt.pix.width > maxw)
+ f->fmt.pix.width = maxw;
+ f->fmt.pix.width &= ~0x03;
+ f->fmt.pix.bytesperline = (f->fmt.pix.width * fmt->depth) >> 3;
+ f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline;
+
+ return 0;
+}
static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
@@ -832,6 +889,43 @@ static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
return 0;
}
+static int cx25821_is_valid_width(u32 width, v4l2_std_id tvnorm)
+{
+ if (tvnorm == V4L2_STD_PAL_BG) {
+ if (width == 352 || width == 720)
+ return 1;
+ else
+ return 0;
+ }
+
+ if (tvnorm == V4L2_STD_NTSC_M) {
+ if (width == 320 || width == 352 || width == 720)
+ return 1;
+ else
+ return 0;
+ }
+ return 0;
+}
+
+static int cx25821_is_valid_height(u32 height, v4l2_std_id tvnorm)
+{
+ if (tvnorm == V4L2_STD_PAL_BG) {
+ if (height == 576 || height == 288)
+ return 1;
+ else
+ return 0;
+ }
+
+ if (tvnorm == V4L2_STD_NTSC_M) {
+ if (height == 480 || height == 240)
+ return 1;
+ else
+ return 0;
+ }
+
+ return 0;
+}
+
static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
@@ -918,89 +1012,8 @@ static int vidioc_log_status(struct file *file, void *priv)
return 0;
}
-static int vidioc_s_ctrl(struct file *file, void *priv,
- struct v4l2_control *ctl)
-{
- struct cx25821_fh *fh = priv;
- struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
- int err;
-
- if (fh) {
- err = v4l2_prio_check(&dev->channels[fh->channel_id].prio,
- fh->prio);
- if (0 != err)
- return err;
- }
-
- return cx25821_set_control(dev, ctl, fh->channel_id);
-}
-
-/* VIDEO IOCTLS */
-int cx25821_vidioc_g_fmt_vid_cap(struct file *file, void *priv,
- struct v4l2_format *f)
-{
- struct cx25821_fh *fh = priv;
-
- f->fmt.pix.width = fh->width;
- f->fmt.pix.height = fh->height;
- f->fmt.pix.field = fh->vidq.field;
- f->fmt.pix.pixelformat = fh->fmt->fourcc;
- f->fmt.pix.bytesperline = (f->fmt.pix.width * fh->fmt->depth) >> 3;
- f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline;
-
- return 0;
-}
-
-int cx25821_vidioc_try_fmt_vid_cap(struct file *file, void *priv,
- struct v4l2_format *f)
-{
- struct cx25821_fmt *fmt;
- enum v4l2_field field;
- unsigned int maxw, maxh;
-
- fmt = cx25821_format_by_fourcc(f->fmt.pix.pixelformat);
- if (NULL == fmt)
- return -EINVAL;
-
- field = f->fmt.pix.field;
- maxw = 720;
- maxh = 576;
-
- if (V4L2_FIELD_ANY == field) {
- if (f->fmt.pix.height > maxh / 2)
- field = V4L2_FIELD_INTERLACED;
- else
- field = V4L2_FIELD_TOP;
- }
-
- switch (field) {
- case V4L2_FIELD_TOP:
- case V4L2_FIELD_BOTTOM:
- maxh = maxh / 2;
- break;
- case V4L2_FIELD_INTERLACED:
- break;
- default:
- return -EINVAL;
- }
-
- f->fmt.pix.field = field;
- if (f->fmt.pix.height < 32)
- f->fmt.pix.height = 32;
- if (f->fmt.pix.height > maxh)
- f->fmt.pix.height = maxh;
- if (f->fmt.pix.width < 48)
- f->fmt.pix.width = 48;
- if (f->fmt.pix.width > maxw)
- f->fmt.pix.width = maxw;
- f->fmt.pix.width &= ~0x03;
- f->fmt.pix.bytesperline = (f->fmt.pix.width * fmt->depth) >> 3;
- f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline;
-
- return 0;
-}
-int cx25821_vidioc_querycap(struct file *file, void *priv,
+static int cx25821_vidioc_querycap(struct file *file, void *priv,
struct v4l2_capability *cap)
{
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
@@ -1020,7 +1033,7 @@ int cx25821_vidioc_querycap(struct file *file, void *priv,
return 0;
}
-int cx25821_vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
+static int cx25821_vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_fmtdesc *f)
{
if (unlikely(f->index >= ARRAY_SIZE(formats)))
@@ -1032,27 +1045,27 @@ int cx25821_vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
return 0;
}
-int cx25821_vidioc_reqbufs(struct file *file, void *priv,
+static int cx25821_vidioc_reqbufs(struct file *file, void *priv,
struct v4l2_requestbuffers *p)
{
struct cx25821_fh *fh = priv;
return videobuf_reqbufs(get_queue(fh), p);
}
-int cx25821_vidioc_querybuf(struct file *file, void *priv,
+static int cx25821_vidioc_querybuf(struct file *file, void *priv,
struct v4l2_buffer *p)
{
struct cx25821_fh *fh = priv;
return videobuf_querybuf(get_queue(fh), p);
}
-int cx25821_vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p)
+static int cx25821_vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p)
{
struct cx25821_fh *fh = priv;
return videobuf_qbuf(get_queue(fh), p);
}
-int cx25821_vidioc_g_priority(struct file *file, void *f, enum v4l2_priority *p)
+static int cx25821_vidioc_g_priority(struct file *file, void *f, enum v4l2_priority *p)
{
struct cx25821_dev *dev = ((struct cx25821_fh *)f)->dev;
struct cx25821_fh *fh = f;
@@ -1062,7 +1075,7 @@ int cx25821_vidioc_g_priority(struct file *file, void *f, enum v4l2_priority *p)
return 0;
}
-int cx25821_vidioc_s_priority(struct file *file, void *f,
+static int cx25821_vidioc_s_priority(struct file *file, void *f,
enum v4l2_priority prio)
{
struct cx25821_fh *fh = f;
@@ -1072,7 +1085,7 @@ int cx25821_vidioc_s_priority(struct file *file, void *f,
prio);
}
-int cx25821_vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorms)
+static int cx25821_vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorms)
{
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
@@ -1107,18 +1120,20 @@ int cx25821_vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms)
return 0;
}
-int cx25821_enum_input(struct cx25821_dev *dev, struct v4l2_input *i)
+static int cx25821_vidioc_enum_input(struct file *file, void *priv,
+ struct v4l2_input *i)
{
static const char * const iname[] = {
[CX25821_VMUX_COMPOSITE] = "Composite",
[CX25821_VMUX_SVIDEO] = "S-Video",
[CX25821_VMUX_DEBUG] = "for debug only",
};
+ struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
unsigned int n;
dprintk(1, "%s()\n", __func__);
n = i->index;
- if (n >= 2)
+ if (n >= CX25821_NR_INPUT)
return -EINVAL;
if (0 == INPUT(n)->type)
@@ -1131,15 +1146,7 @@ int cx25821_enum_input(struct cx25821_dev *dev, struct v4l2_input *i)
return 0;
}
-int cx25821_vidioc_enum_input(struct file *file, void *priv,
- struct v4l2_input *i)
-{
- struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
- dprintk(1, "%s()\n", __func__);
- return cx25821_enum_input(dev, i);
-}
-
-int cx25821_vidioc_g_input(struct file *file, void *priv, unsigned int *i)
+static int cx25821_vidioc_g_input(struct file *file, void *priv, unsigned int *i)
{
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
@@ -1148,7 +1155,7 @@ int cx25821_vidioc_g_input(struct file *file, void *priv, unsigned int *i)
return 0;
}
-int cx25821_vidioc_s_input(struct file *file, void *priv, unsigned int i)
+static int cx25821_vidioc_s_input(struct file *file, void *priv, unsigned int i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
@@ -1262,7 +1269,7 @@ static int cx25821_ctrl_query(struct v4l2_queryctrl *qctrl)
return 0;
}
-int cx25821_vidioc_queryctrl(struct file *file, void *priv,
+static int cx25821_vidioc_queryctrl(struct file *file, void *priv,
struct v4l2_queryctrl *qctrl)
{
return cx25821_ctrl_query(qctrl);
@@ -1281,7 +1288,7 @@ static const struct v4l2_queryctrl *ctrl_by_id(unsigned int id)
return NULL;
}
-int cx25821_vidioc_g_ctrl(struct file *file, void *priv,
+static int cx25821_vidioc_g_ctrl(struct file *file, void *priv,
struct v4l2_control *ctl)
{
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
@@ -1310,7 +1317,7 @@ int cx25821_vidioc_g_ctrl(struct file *file, void *priv,
return 0;
}
-int cx25821_set_control(struct cx25821_dev *dev,
+static int cx25821_set_control(struct cx25821_dev *dev,
struct v4l2_control *ctl, int chan_num)
{
int err;
@@ -1360,6 +1367,23 @@ int cx25821_set_control(struct cx25821_dev *dev,
return err;
}
+static int vidioc_s_ctrl(struct file *file, void *priv,
+ struct v4l2_control *ctl)
+{
+ struct cx25821_fh *fh = priv;
+ struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
+ int err;
+
+ if (fh) {
+ err = v4l2_prio_check(&dev->channels[fh->channel_id].prio,
+ fh->prio);
+ if (0 != err)
+ return err;
+ }
+
+ return cx25821_set_control(dev, ctl, fh->channel_id);
+}
+
static void cx25821_init_controls(struct cx25821_dev *dev, int chan_num)
{
struct v4l2_control ctrl;
@@ -1372,7 +1396,7 @@ static void cx25821_init_controls(struct cx25821_dev *dev, int chan_num)
}
}
-int cx25821_vidioc_cropcap(struct file *file, void *priv,
+static int cx25821_vidioc_cropcap(struct file *file, void *priv,
struct v4l2_cropcap *cropcap)
{
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
@@ -1391,7 +1415,7 @@ int cx25821_vidioc_cropcap(struct file *file, void *priv,
return 0;
}
-int cx25821_vidioc_s_crop(struct file *file, void *priv, const struct v4l2_crop *crop)
+static int cx25821_vidioc_s_crop(struct file *file, void *priv, const struct v4l2_crop *crop)
{
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
struct cx25821_fh *fh = priv;
@@ -1407,49 +1431,12 @@ int cx25821_vidioc_s_crop(struct file *file, void *priv, const struct v4l2_crop
return -EINVAL;
}
-int cx25821_vidioc_g_crop(struct file *file, void *priv, struct v4l2_crop *crop)
+static int cx25821_vidioc_g_crop(struct file *file, void *priv, struct v4l2_crop *crop)
{
/* cx25821_vidioc_g_crop not supported */
return -EINVAL;
}
-int cx25821_is_valid_width(u32 width, v4l2_std_id tvnorm)
-{
- if (tvnorm == V4L2_STD_PAL_BG) {
- if (width == 352 || width == 720)
- return 1;
- else
- return 0;
- }
-
- if (tvnorm == V4L2_STD_NTSC_M) {
- if (width == 320 || width == 352 || width == 720)
- return 1;
- else
- return 0;
- }
- return 0;
-}
-
-int cx25821_is_valid_height(u32 height, v4l2_std_id tvnorm)
-{
- if (tvnorm == V4L2_STD_PAL_BG) {
- if (height == 576 || height == 288)
- return 1;
- else
- return 0;
- }
-
- if (tvnorm == V4L2_STD_NTSC_M) {
- if (height == 480 || height == 240)
- return 1;
- else
- return 0;
- }
-
- return 0;
-}
-
static long video_ioctl_upstream9(struct file *file, unsigned int cmd,
unsigned long arg)
{
diff --git a/drivers/media/pci/cx25821/cx25821-video.h b/drivers/media/pci/cx25821/cx25821-video.h
index 505b7f0b45b4..9d70020d9256 100644
--- a/drivers/media/pci/cx25821/cx25821-video.h
+++ b/drivers/media/pci/cx25821/cx25821-video.h
@@ -63,97 +63,23 @@ do { \
#define MEDUSA_READ 910
#define MEDUSA_WRITE 911
-extern unsigned int vid_limit;
-
#define FORMAT_FLAGS_PACKED 0x01
-extern struct cx25821_fmt formats[];
-extern struct cx25821_fmt *cx25821_format_by_fourcc(unsigned int fourcc);
-extern struct cx25821_data timeout_data[MAX_VID_CHANNEL_NUM];
-
extern void cx25821_video_wakeup(struct cx25821_dev *dev,
struct cx25821_dmaqueue *q, u32 count);
-extern int cx25821_set_tvnorm(struct cx25821_dev *dev, v4l2_std_id norm);
-
extern int cx25821_res_get(struct cx25821_dev *dev, struct cx25821_fh *fh,
unsigned int bit);
extern int cx25821_res_check(struct cx25821_fh *fh, unsigned int bit);
extern int cx25821_res_locked(struct cx25821_fh *fh, unsigned int bit);
extern void cx25821_res_free(struct cx25821_dev *dev, struct cx25821_fh *fh,
unsigned int bits);
-extern int cx25821_video_mux(struct cx25821_dev *dev, unsigned int input);
extern int cx25821_start_video_dma(struct cx25821_dev *dev,
struct cx25821_dmaqueue *q,
struct cx25821_buffer *buf,
const struct sram_channel *channel);
-extern int cx25821_set_scale(struct cx25821_dev *dev, unsigned int width,
- unsigned int height, enum v4l2_field field);
extern int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status);
extern void cx25821_video_unregister(struct cx25821_dev *dev, int chan_num);
extern int cx25821_video_register(struct cx25821_dev *dev);
-extern int cx25821_get_format_size(void);
-
-extern int cx25821_buffer_setup(struct videobuf_queue *q, unsigned int *count,
- unsigned int *size);
-extern int cx25821_buffer_prepare(struct videobuf_queue *q,
- struct videobuf_buffer *vb,
- enum v4l2_field field);
-extern void cx25821_buffer_release(struct videobuf_queue *q,
- struct videobuf_buffer *vb);
-extern struct videobuf_queue *get_queue(struct cx25821_fh *fh);
-extern int cx25821_get_resource(struct cx25821_fh *fh, int resource);
-extern int cx25821_video_mmap(struct file *file, struct vm_area_struct *vma);
-extern int cx25821_vidioc_try_fmt_vid_cap(struct file *file, void *priv,
- struct v4l2_format *f);
-extern int cx25821_vidioc_querycap(struct file *file, void *priv,
- struct v4l2_capability *cap);
-extern int cx25821_vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
- struct v4l2_fmtdesc *f);
-extern int cx25821_vidioc_reqbufs(struct file *file, void *priv,
- struct v4l2_requestbuffers *p);
-extern int cx25821_vidioc_querybuf(struct file *file, void *priv,
- struct v4l2_buffer *p);
-extern int cx25821_vidioc_qbuf(struct file *file, void *priv,
- struct v4l2_buffer *p);
-extern int cx25821_vidioc_s_std(struct file *file, void *priv,
- v4l2_std_id tvnorms);
-extern int cx25821_enum_input(struct cx25821_dev *dev, struct v4l2_input *i);
-extern int cx25821_vidioc_enum_input(struct file *file, void *priv,
- struct v4l2_input *i);
-extern int cx25821_vidioc_g_input(struct file *file, void *priv,
- unsigned int *i);
-extern int cx25821_vidioc_s_input(struct file *file, void *priv,
- unsigned int i);
-extern int cx25821_vidioc_g_ctrl(struct file *file, void *priv,
- struct v4l2_control *ctl);
-extern int cx25821_vidioc_g_fmt_vid_cap(struct file *file, void *priv,
- struct v4l2_format *f);
-extern int cx25821_vidioc_g_register(struct file *file, void *fh,
- struct v4l2_dbg_register *reg);
-extern int cx25821_vidioc_s_register(struct file *file, void *fh,
- const struct v4l2_dbg_register *reg);
-
-extern int cx25821_is_valid_width(u32 width, v4l2_std_id tvnorm);
-extern int cx25821_is_valid_height(u32 height, v4l2_std_id tvnorm);
-
-extern int cx25821_vidioc_g_priority(struct file *file, void *f,
- enum v4l2_priority *p);
-extern int cx25821_vidioc_s_priority(struct file *file, void *f,
- enum v4l2_priority prio);
-
-extern int cx25821_vidioc_queryctrl(struct file *file, void *priv,
- struct v4l2_queryctrl *qctrl);
-extern int cx25821_set_control(struct cx25821_dev *dev,
- struct v4l2_control *ctrl, int chan_num);
-
-extern int cx25821_vidioc_cropcap(struct file *file, void *fh,
- struct v4l2_cropcap *cropcap);
-extern int cx25821_vidioc_s_crop(struct file *file, void *priv,
- const struct v4l2_crop *crop);
-extern int cx25821_vidioc_g_crop(struct file *file, void *priv,
- struct v4l2_crop *crop);
-extern int cx25821_vidioc_querystd(struct file *file, void *priv,
- v4l2_std_id *norm);
#endif
diff --git a/drivers/media/pci/cx25821/cx25821.h b/drivers/media/pci/cx25821/cx25821.h
index 195b00407b5a..033993f1fb08 100644
--- a/drivers/media/pci/cx25821/cx25821.h
+++ b/drivers/media/pci/cx25821/cx25821.h
@@ -127,7 +127,7 @@ struct cx25821_fh {
enum v4l2_priority prio;
/* video capture */
- struct cx25821_fmt *fmt;
+ const struct cx25821_fmt *fmt;
unsigned int width, height;
int channel_id;
struct videobuf_queue vidq;
@@ -152,7 +152,7 @@ struct cx25821_buffer {
/* cx25821 specific */
unsigned int bpl;
struct btcx_riscmem risc;
- struct cx25821_fmt *fmt;
+ const struct cx25821_fmt *fmt;
u32 count;
};
@@ -565,8 +565,5 @@ extern int cx25821_sram_channel_setup_upstream(struct cx25821_dev *dev,
unsigned int bpl, u32 risc);
extern void cx25821_set_pixel_format(struct cx25821_dev *dev, int channel,
u32 format);
-extern struct video_device *cx25821_vdev_init(struct cx25821_dev *dev,
- struct pci_dev *pci,
- const struct video_device *template,
- char *type);
+
#endif

Privacy Policy