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path: root/linux/drivers/media/video/bt8xx/bttv-driver.c
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Diffstat (limited to 'linux/drivers/media/video/bt8xx/bttv-driver.c')
-rw-r--r--linux/drivers/media/video/bt8xx/bttv-driver.c105
1 files changed, 60 insertions, 45 deletions
diff --git a/linux/drivers/media/video/bt8xx/bttv-driver.c b/linux/drivers/media/video/bt8xx/bttv-driver.c
index 17fa68233..af7272665 100644
--- a/linux/drivers/media/video/bt8xx/bttv-driver.c
+++ b/linux/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;
@@ -96,7 +96,6 @@ static unsigned int irq_iswitch;
static unsigned int uv_ratio = 50;
static unsigned int full_luma_range;
static unsigned int coring;
-extern int no_overlay;
/* API features (turn on/off stuff for testing) */
static unsigned int v4l2 = 1;
@@ -109,9 +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);
@@ -131,7 +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");
@@ -153,6 +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");
@@ -1388,7 +1390,7 @@ 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);
@@ -3248,6 +3250,7 @@ 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) {
@@ -3262,16 +3265,20 @@ 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;
@@ -3291,6 +3298,7 @@ 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++;
@@ -3311,6 +3319,7 @@ 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;
}
@@ -3351,6 +3360,10 @@ 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;
}
@@ -3378,10 +3391,7 @@ static const struct file_operations bttv_fops =
.poll = bttv_poll,
};
-static struct video_device bttv_video_template =
-{
- .fops = &bttv_fops,
- .minor = -1,
+static const struct v4l2_ioctl_ops bttv_ioctl_ops = {
.vidioc_querycap = bttv_querycap,
.vidioc_enum_fmt_vid_cap = bttv_enum_fmt_vid_cap,
.vidioc_g_fmt_vid_cap = bttv_g_fmt_vid_cap,
@@ -3432,8 +3442,14 @@ static struct video_device bttv_video_template =
.vidioc_g_register = bttv_g_register,
.vidioc_s_register = bttv_s_register,
#endif
- .tvnorms = BTTV_NORMS,
- .current_norm = V4L2_STD_PAL,
+};
+
+static struct video_device bttv_video_template = {
+ .fops = &bttv_fops,
+ .minor = -1,
+ .ioctl_ops = &bttv_ioctl_ops,
+ .tvnorms = BTTV_NORMS,
+ .current_norm = V4L2_STD_PAL,
};
/* ----------------------------------------------------------------------- */
@@ -3448,21 +3464,26 @@ 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->minor == minor) {
+ 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);
@@ -3475,6 +3496,7 @@ static int radio_open(struct inode *inode, struct file *file)
audio_input(btv,TVAUDIO_INPUT_RADIO);
mutex_unlock(&btv->lock);
+ unlock_kernel();
return 0;
}
@@ -3656,10 +3678,7 @@ static const struct file_operations radio_fops =
.poll = radio_poll,
};
-static struct video_device radio_template =
-{
- .fops = &radio_fops,
- .minor = -1,
+static const struct v4l2_ioctl_ops radio_ioctl_ops = {
.vidioc_querycap = radio_querycap,
.vidioc_g_tuner = radio_g_tuner,
.vidioc_enum_input = radio_enum_input,
@@ -3676,6 +3695,12 @@ static struct video_device radio_template =
.vidioc_s_frequency = bttv_s_frequency,
};
+static struct video_device radio_template = {
+ .fops = &radio_fops,
+ .minor = -1,
+ .ioctl_ops = &radio_ioctl_ops,
+};
+
/* ----------------------------------------------------------------------- */
/* some debug code */
@@ -4200,8 +4225,7 @@ static irqreturn_t bttv_irq(int irq, void *dev_id)
static struct video_device *vdev_init(struct bttv *btv,
const struct video_device *template,
- const char *type_name,
- const int type)
+ const char *type_name)
{
struct video_device *vfd;
@@ -4212,7 +4236,6 @@ static struct video_device *vdev_init(struct bttv *btv,
vfd->minor = -1;
vfd->parent = &btv->c.pci->dev;
vfd->release = video_device_release;
- vfd->type = type;
vfd->debug = bttv_debug;
snprintf(vfd->name, sizeof(vfd->name), "BT%d%s %s (%s)",
btv->id, (btv->id==848 && btv->revision==0x12) ? "A" : "",
@@ -4248,24 +4271,16 @@ static void bttv_unregister_video(struct bttv *btv)
/* register video4linux devices */
static int __devinit bttv_register_video(struct bttv *btv)
{
- int video_type = VID_TYPE_CAPTURE |
- VID_TYPE_TUNER |
- VID_TYPE_CLIPPING|
- VID_TYPE_SCALES;
-
- if (no_overlay <= 0) {
- bttv_video_template.type |= VID_TYPE_OVERLAY;
- } else {
+ if (no_overlay > 0)
printk("bttv: Overlay support disabled.\n");
- }
/* video */
- btv->video_dev = vdev_init(btv, &bttv_video_template,
- "video", video_type);
+ btv->video_dev = vdev_init(btv, &bttv_video_template, "video");
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);
@@ -4277,12 +4292,12 @@ static int __devinit bttv_register_video(struct bttv *btv)
}
/* vbi */
- btv->vbi_dev = vdev_init(btv, &bttv_video_template,
- "vbi", VID_TYPE_TUNER | VID_TYPE_TELETEXT);
+ btv->vbi_dev = vdev_init(btv, &bttv_video_template, "vbi");
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);
@@ -4290,11 +4305,11 @@ static int __devinit bttv_register_video(struct bttv *btv)
if (!btv->has_radio)
return 0;
/* radio */
- btv->radio_dev = vdev_init(btv, &radio_template,
- "radio", VID_TYPE_TUNER);
+ 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);
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-04 08:47:32 +0000