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path: root/drivers/media/video/bttv-driver.c
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Diffstat (limited to 'drivers/media/video/bttv-driver.c')
-rw-r--r--drivers/media/video/bttv-driver.c153
1 files changed, 95 insertions, 58 deletions
diff --git a/drivers/media/video/bttv-driver.c b/drivers/media/video/bttv-driver.c
index 0005741d551..1ddf9ba613e 100644
--- a/drivers/media/video/bttv-driver.c
+++ b/drivers/media/video/bttv-driver.c
@@ -727,71 +727,71 @@ void free_btres(struct bttv *btv, struct bttv_fh *fh, int bits)
static void set_pll_freq(struct bttv *btv, unsigned int fin, unsigned int fout)
{
- unsigned char fl, fh, fi;
+ unsigned char fl, fh, fi;
- /* prevent overflows */
- fin/=4;
- fout/=4;
+ /* prevent overflows */
+ fin/=4;
+ fout/=4;
- fout*=12;
- fi=fout/fin;
+ fout*=12;
+ fi=fout/fin;
- fout=(fout%fin)*256;
- fh=fout/fin;
+ fout=(fout%fin)*256;
+ fh=fout/fin;
- fout=(fout%fin)*256;
- fl=fout/fin;
+ fout=(fout%fin)*256;
+ fl=fout/fin;
- btwrite(fl, BT848_PLL_F_LO);
- btwrite(fh, BT848_PLL_F_HI);
- btwrite(fi|BT848_PLL_X, BT848_PLL_XCI);
+ btwrite(fl, BT848_PLL_F_LO);
+ btwrite(fh, BT848_PLL_F_HI);
+ btwrite(fi|BT848_PLL_X, BT848_PLL_XCI);
}
static void set_pll(struct bttv *btv)
{
- int i;
+ int i;
- if (!btv->pll.pll_crystal)
- return;
+ if (!btv->pll.pll_crystal)
+ return;
if (btv->pll.pll_ofreq == btv->pll.pll_current) {
dprintk("bttv%d: PLL: no change required\n",btv->c.nr);
- return;
- }
+ return;
+ }
- if (btv->pll.pll_ifreq == btv->pll.pll_ofreq) {
- /* no PLL needed */
- if (btv->pll.pll_current == 0)
- return;
+ if (btv->pll.pll_ifreq == btv->pll.pll_ofreq) {
+ /* no PLL needed */
+ if (btv->pll.pll_current == 0)
+ return;
bttv_printk(KERN_INFO "bttv%d: PLL can sleep, using XTAL (%d).\n",
- btv->c.nr,btv->pll.pll_ifreq);
- btwrite(0x00,BT848_TGCTRL);
- btwrite(0x00,BT848_PLL_XCI);
- btv->pll.pll_current = 0;
- return;
- }
+ btv->c.nr,btv->pll.pll_ifreq);
+ btwrite(0x00,BT848_TGCTRL);
+ btwrite(0x00,BT848_PLL_XCI);
+ btv->pll.pll_current = 0;
+ return;
+ }
bttv_printk(KERN_INFO "bttv%d: PLL: %d => %d ",btv->c.nr,
- btv->pll.pll_ifreq, btv->pll.pll_ofreq);
+ btv->pll.pll_ifreq, btv->pll.pll_ofreq);
set_pll_freq(btv, btv->pll.pll_ifreq, btv->pll.pll_ofreq);
- for (i=0; i<10; i++) {
+ for (i=0; i<10; i++) {
/* Let other people run while the PLL stabilizes */
bttv_printk(".");
msleep(10);
- if (btread(BT848_DSTATUS) & BT848_DSTATUS_PLOCK) {
+ if (btread(BT848_DSTATUS) & BT848_DSTATUS_PLOCK) {
btwrite(0,BT848_DSTATUS);
- } else {
- btwrite(0x08,BT848_TGCTRL);
- btv->pll.pll_current = btv->pll.pll_ofreq;
+ } else {
+ btwrite(0x08,BT848_TGCTRL);
+ btv->pll.pll_current = btv->pll.pll_ofreq;
bttv_printk(" ok\n");
- return;
- }
- }
- btv->pll.pll_current = -1;
+ return;
+ }
+ }
+ btv->pll.pll_current = -1;
bttv_printk("failed\n");
- return;
+ return;
}
/* used to switch between the bt848's analog/digital video capture modes */
@@ -1720,7 +1720,7 @@ static int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg)
memset(i,0,sizeof(*i));
i->index = n;
i->type = V4L2_INPUT_TYPE_CAMERA;
- i->audioset = 1;
+ i->audioset = 0;
if (i->index == bttv_tvcards[btv->c.type].tuner) {
sprintf(i->name, "Television");
i->type = V4L2_INPUT_TYPE_TUNER;
@@ -1771,12 +1771,20 @@ static int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg)
memset(t,0,sizeof(*t));
strcpy(t->name, "Television");
t->type = V4L2_TUNER_ANALOG_TV;
- t->rangehigh = 0xffffffffUL;
t->capability = V4L2_TUNER_CAP_NORM;
t->rxsubchans = V4L2_TUNER_SUB_MONO;
if (btread(BT848_DSTATUS)&BT848_DSTATUS_HLOC)
t->signal = 0xffff;
{
+ struct video_tuner tuner;
+
+ memset(&tuner, 0, sizeof (tuner));
+ tuner.rangehigh = 0xffffffffUL;
+ bttv_call_i2c_clients(btv, VIDIOCGTUNER, &tuner);
+ t->rangelow = tuner.rangelow;
+ t->rangehigh = tuner.rangehigh;
+ }
+ {
/* Hmmm ... */
struct video_audio va;
memset(&va, 0, sizeof(struct video_audio));
@@ -1853,7 +1861,7 @@ static int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg)
}
case VIDIOC_LOG_STATUS:
{
- bttv_call_i2c_clients(btv, VIDIOC_LOG_STATUS, 0);
+ bttv_call_i2c_clients(btv, VIDIOC_LOG_STATUS, NULL);
return 0;
}
@@ -1956,7 +1964,7 @@ static int setup_window(struct bttv_fh *fh, struct bttv *btv,
}
down(&fh->cap.lock);
- kfree(fh->ov.clips);
+ kfree(fh->ov.clips);
fh->ov.clips = clips;
fh->ov.nclips = n;
@@ -2029,19 +2037,33 @@ static int bttv_switch_type(struct bttv_fh *fh, enum v4l2_buf_type type)
return 0;
}
+static void
+pix_format_set_size (struct v4l2_pix_format * f,
+ const struct bttv_format * fmt,
+ unsigned int width,
+ unsigned int height)
+{
+ f->width = width;
+ f->height = height;
+
+ if (fmt->flags & FORMAT_FLAGS_PLANAR) {
+ f->bytesperline = width; /* Y plane */
+ f->sizeimage = (width * height * fmt->depth) >> 3;
+ } else {
+ f->bytesperline = (width * fmt->depth) >> 3;
+ f->sizeimage = height * f->bytesperline;
+ }
+}
+
static int bttv_g_fmt(struct bttv_fh *fh, struct v4l2_format *f)
{
switch (f->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
memset(&f->fmt.pix,0,sizeof(struct v4l2_pix_format));
- f->fmt.pix.width = fh->width;
- f->fmt.pix.height = fh->height;
+ pix_format_set_size (&f->fmt.pix, fh->fmt,
+ fh->width, fh->height);
f->fmt.pix.field = fh->cap.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;
case V4L2_BUF_TYPE_VIDEO_OVERLAY:
memset(&f->fmt.win,0,sizeof(struct v4l2_window));
@@ -2106,11 +2128,9 @@ static int bttv_try_fmt(struct bttv_fh *fh, struct bttv *btv,
f->fmt.pix.width = maxw;
if (f->fmt.pix.height > maxh)
f->fmt.pix.height = maxh;
- 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;
+ pix_format_set_size (&f->fmt.pix, fmt,
+ f->fmt.pix.width & ~3,
+ f->fmt.pix.height);
return 0;
}
@@ -2278,6 +2298,15 @@ static int bttv_do_ioctl(struct inode *inode, struct file *file,
retval = -EINVAL;
goto fh_unlock_and_return;
}
+ if (fmt->flags & FORMAT_FLAGS_RAW) {
+ /* VIDIOCMCAPTURE uses gbufsize, not RAW_BPL *
+ RAW_LINES * 2. F1 is stored at offset 0, F2
+ at buffer size / 2. */
+ fh->width = RAW_BPL;
+ fh->height = gbufsize / RAW_BPL;
+ btv->init.width = RAW_BPL;
+ btv->init.height = gbufsize / RAW_BPL;
+ }
fh->ovfmt = fmt;
fh->fmt = fmt;
btv->init.ovfmt = fmt;
@@ -2589,9 +2618,11 @@ static int bttv_do_ioctl(struct inode *inode, struct file *file,
if (0 == v4l2)
return -EINVAL;
- strcpy(cap->driver,"bttv");
- strlcpy(cap->card,btv->video_dev->name,sizeof(cap->card));
- sprintf(cap->bus_info,"PCI:%s",pci_name(btv->c.pci));
+ memset(cap, 0, sizeof (*cap));
+ strlcpy(cap->driver, "bttv", sizeof (cap->driver));
+ strlcpy(cap->card, btv->video_dev->name, sizeof (cap->card));
+ snprintf(cap->bus_info, sizeof (cap->bus_info),
+ "PCI:%s", pci_name(btv->c.pci));
cap->version = BTTV_VERSION_CODE;
cap->capabilities =
V4L2_CAP_VIDEO_CAPTURE |
@@ -2727,7 +2758,7 @@ static int bttv_do_ioctl(struct inode *inode, struct file *file,
fh->ov.w.height = fb->fmt.height;
btv->init.ov.w.width = fb->fmt.width;
btv->init.ov.w.height = fb->fmt.height;
- kfree(fh->ov.clips);
+ kfree(fh->ov.clips);
fh->ov.clips = NULL;
fh->ov.nclips = 0;
@@ -2952,6 +2983,8 @@ static unsigned int bttv_poll(struct file *file, poll_table *wait)
fh->cap.read_buf->memory = V4L2_MEMORY_USERPTR;
field = videobuf_next_field(&fh->cap);
if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,field)) {
+ kfree (fh->cap.read_buf);
+ fh->cap.read_buf = NULL;
up(&fh->cap.lock);
return POLLERR;
}
@@ -3667,6 +3700,10 @@ static irqreturn_t bttv_irq(int irq, void *dev_id, struct pt_regs * regs)
int handled = 0;
btv=(struct bttv *)dev_id;
+
+ if (btv->any_irq)
+ handled = bttv_any_irq(&btv->c);
+
count=0;
while (1) {
/* get/clear interrupt status bits */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-20 06:26:34 +0000