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path: root/drivers/media/video/bt8xx/bttv-driver.c
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Diffstat (limited to 'drivers/media/video/bt8xx/bttv-driver.c')
-rw-r--r--drivers/media/video/bt8xx/bttv-driver.c66
1 files changed, 38 insertions, 28 deletions
diff --git a/drivers/media/video/bt8xx/bttv-driver.c b/drivers/media/video/bt8xx/bttv-driver.c
index 933eaef41ead..5858bf5ff41c 100644
--- a/drivers/media/video/bt8xx/bttv-driver.c
+++ b/drivers/media/video/bt8xx/bttv-driver.c
@@ -76,9 +76,9 @@ static unsigned int gbuffers = 8;
static unsigned int gbufsize = 0x208000;
static unsigned int reset_crop = 1;
-static int video_nr = -1;
-static int radio_nr = -1;
-static int vbi_nr = -1;
+static int video_nr[BTTV_MAX] = { [0 ... (BTTV_MAX-1)] = -1 };
+static int radio_nr[BTTV_MAX] = { [0 ... (BTTV_MAX-1)] = -1 };
+static int vbi_nr[BTTV_MAX] = { [0 ... (BTTV_MAX-1)] = -1 };
static int debug_latency;
static unsigned int fdsr;
@@ -108,9 +108,6 @@ module_param(irq_debug, int, 0644);
module_param(debug_latency, int, 0644);
module_param(fdsr, int, 0444);
-module_param(video_nr, int, 0444);
-module_param(radio_nr, int, 0444);
-module_param(vbi_nr, int, 0444);
module_param(gbuffers, int, 0444);
module_param(gbufsize, int, 0444);
module_param(reset_crop, int, 0444);
@@ -130,7 +127,10 @@ module_param(uv_ratio, int, 0444);
module_param(full_luma_range, int, 0444);
module_param(coring, int, 0444);
-module_param_array(radio, int, NULL, 0444);
+module_param_array(radio, int, NULL, 0444);
+module_param_array(video_nr, int, NULL, 0444);
+module_param_array(radio_nr, int, NULL, 0444);
+module_param_array(vbi_nr, int, NULL, 0444);
MODULE_PARM_DESC(radio,"The TV card supports radio, default is 0 (no)");
MODULE_PARM_DESC(bigendian,"byte order of the framebuffer, default is native endian");
@@ -152,6 +152,9 @@ MODULE_PARM_DESC(irq_iswitch,"switch inputs in irq handler");
MODULE_PARM_DESC(uv_ratio,"ratio between u and v gains, default is 50");
MODULE_PARM_DESC(full_luma_range,"use the full luma range, default is 0 (no)");
MODULE_PARM_DESC(coring,"set the luma coring level, default is 0 (no)");
+MODULE_PARM_DESC(video_nr, "video device numbers");
+MODULE_PARM_DESC(vbi_nr, "vbi device numbers");
+MODULE_PARM_DESC(radio_nr, "radio device numbers");
MODULE_DESCRIPTION("bttv - v4l/v4l2 driver module for bt848/878 based cards");
MODULE_AUTHOR("Ralph Metzler & Marcus Metzler & Gerd Knorr");
@@ -1367,7 +1370,7 @@ static void init_irqreg(struct bttv *btv)
(btv->gpioirq ? BT848_INT_GPINT : 0) |
BT848_INT_SCERR |
(fdsr ? BT848_INT_FDSR : 0) |
- BT848_INT_RISCI|BT848_INT_OCERR|BT848_INT_VPRES|
+ BT848_INT_RISCI | BT848_INT_OCERR |
BT848_INT_FMTCHG|BT848_INT_HLOCK|
BT848_INT_I2CDONE,
BT848_INT_MASK);
@@ -2661,18 +2664,6 @@ static int bttv_querycap(struct file *file, void *priv,
return 0;
}
-static int bttv_enum_fmt_vbi_cap(struct file *file, void *priv,
- struct v4l2_fmtdesc *f)
-{
- if (0 != f->index)
- return -EINVAL;
-
- f->pixelformat = V4L2_PIX_FMT_GREY;
- strcpy(f->description, "vbi data");
-
- return 0;
-}
-
static int bttv_enum_fmt_cap_ovr(struct v4l2_fmtdesc *f)
{
int index = -1, i;
@@ -3227,6 +3218,7 @@ static int bttv_open(struct inode *inode, struct file *file)
dprintk(KERN_DEBUG "bttv: open minor=%d\n",minor);
+ lock_kernel();
for (i = 0; i < bttv_num; i++) {
if (bttvs[i].video_dev &&
bttvs[i].video_dev->minor == minor) {
@@ -3241,16 +3233,20 @@ static int bttv_open(struct inode *inode, struct file *file)
break;
}
}
- if (NULL == btv)
+ if (NULL == btv) {
+ unlock_kernel();
return -ENODEV;
+ }
dprintk(KERN_DEBUG "bttv%d: open called (type=%s)\n",
btv->c.nr,v4l2_type_names[type]);
/* allocate per filehandle data */
fh = kmalloc(sizeof(*fh),GFP_KERNEL);
- if (NULL == fh)
+ if (NULL == fh) {
+ unlock_kernel();
return -ENOMEM;
+ }
file->private_data = fh;
*fh = btv->init;
fh->type = type;
@@ -3270,6 +3266,7 @@ static int bttv_open(struct inode *inode, struct file *file)
sizeof(struct bttv_buffer),
fh);
set_tvnorm(btv,btv->tvnorm);
+ set_input(btv, btv->input, btv->tvnorm);
btv->users++;
@@ -3290,6 +3287,7 @@ static int bttv_open(struct inode *inode, struct file *file)
bttv_vbi_fmt_reset(&fh->vbi_fmt, btv->tvnorm);
bttv_field_count(btv);
+ unlock_kernel();
return 0;
}
@@ -3330,6 +3328,10 @@ static int bttv_release(struct inode *inode, struct file *file)
btv->users--;
bttv_field_count(btv);
+
+ if (!btv->users)
+ audio_mute(btv, 1);
+
return 0;
}
@@ -3367,7 +3369,6 @@ static const struct v4l2_ioctl_ops bttv_ioctl_ops = {
.vidioc_g_fmt_vid_overlay = bttv_g_fmt_vid_overlay,
.vidioc_try_fmt_vid_overlay = bttv_try_fmt_vid_overlay,
.vidioc_s_fmt_vid_overlay = bttv_s_fmt_vid_overlay,
- .vidioc_enum_fmt_vbi_cap = bttv_enum_fmt_vbi_cap,
.vidioc_g_fmt_vbi_cap = bttv_g_fmt_vbi_cap,
.vidioc_try_fmt_vbi_cap = bttv_try_fmt_vbi_cap,
.vidioc_s_fmt_vbi_cap = bttv_s_fmt_vbi_cap,
@@ -3430,21 +3431,26 @@ static int radio_open(struct inode *inode, struct file *file)
dprintk("bttv: open minor=%d\n",minor);
+ lock_kernel();
for (i = 0; i < bttv_num; i++) {
if (bttvs[i].radio_dev && bttvs[i].radio_dev->minor == minor) {
btv = &bttvs[i];
break;
}
}
- if (NULL == btv)
+ if (NULL == btv) {
+ unlock_kernel();
return -ENODEV;
+ }
dprintk("bttv%d: open called (radio)\n",btv->c.nr);
/* allocate per filehandle data */
fh = kmalloc(sizeof(*fh), GFP_KERNEL);
- if (NULL == fh)
+ if (NULL == fh) {
+ unlock_kernel();
return -ENOMEM;
+ }
file->private_data = fh;
*fh = btv->init;
v4l2_prio_open(&btv->prio, &fh->prio);
@@ -3457,6 +3463,7 @@ static int radio_open(struct inode *inode, struct file *file)
audio_input(btv,TVAUDIO_INPUT_RADIO);
mutex_unlock(&btv->lock);
+ unlock_kernel();
return 0;
}
@@ -4235,7 +4242,8 @@ static int __devinit bttv_register_video(struct bttv *btv)
if (NULL == btv->video_dev)
goto err;
- if (video_register_device(btv->video_dev,VFL_TYPE_GRABBER,video_nr)<0)
+ if (video_register_device(btv->video_dev, VFL_TYPE_GRABBER,
+ video_nr[btv->c.nr]) < 0)
goto err;
printk(KERN_INFO "bttv%d: registered device video%d\n",
btv->c.nr,btv->video_dev->minor & 0x1f);
@@ -4251,7 +4259,8 @@ static int __devinit bttv_register_video(struct bttv *btv)
if (NULL == btv->vbi_dev)
goto err;
- if (video_register_device(btv->vbi_dev,VFL_TYPE_VBI,vbi_nr)<0)
+ if (video_register_device(btv->vbi_dev, VFL_TYPE_VBI,
+ vbi_nr[btv->c.nr]) < 0)
goto err;
printk(KERN_INFO "bttv%d: registered device vbi%d\n",
btv->c.nr,btv->vbi_dev->minor & 0x1f);
@@ -4262,7 +4271,8 @@ static int __devinit bttv_register_video(struct bttv *btv)
btv->radio_dev = vdev_init(btv, &radio_template, "radio");
if (NULL == btv->radio_dev)
goto err;
- if (video_register_device(btv->radio_dev, VFL_TYPE_RADIO,radio_nr)<0)
+ if (video_register_device(btv->radio_dev, VFL_TYPE_RADIO,
+ radio_nr[btv->c.nr]) < 0)
goto err;
printk(KERN_INFO "bttv%d: registered device radio%d\n",
btv->c.nr,btv->radio_dev->minor & 0x1f);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.