* Support for a cx23416 mpeg encoder via cx2388x host port.
* "blackbird" reference design.
*
- * (c) 2004 Jelle Foks <jelle@foks.8m.com>
+ * (c) 2004 Jelle Foks <jelle@foks.us>
* (c) 2004 Gerd Knorr <kraxel@bytesex.org>
*
* (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/firmware.h>
+#include <linux/smp_lock.h>
#include <media/v4l2-common.h>
+#include <media/v4l2-ioctl.h>
#include <media/cx2341x.h>
#include "cx88.h"
MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards");
-MODULE_AUTHOR("Jelle Foks <jelle@foks.8m.com>, Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
+MODULE_AUTHOR("Jelle Foks <jelle@foks.us>, Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
MODULE_LICENSE("GPL");
static unsigned int mpegbufs = 32;
qctrl.id = qmenu->id;
blackbird_queryctrl(dev, &qctrl);
- return v4l2_ctrl_query_menu(qmenu, &qctrl, cx2341x_ctrl_get_menu(qmenu->id));
+ return v4l2_ctrl_query_menu(qmenu, &qctrl,
+ cx2341x_ctrl_get_menu(&dev->params, qmenu->id));
}
static int vidioc_querycap (struct file *file, void *priv,
return 0;
}
-static int vidioc_enum_fmt_cap (struct file *file, void *priv,
+static int vidioc_enum_fmt_vid_cap (struct file *file, void *priv,
struct v4l2_fmtdesc *f)
{
if (f->index != 0)
return -EINVAL;
strlcpy(f->description, "MPEG", sizeof(f->description));
- f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
f->pixelformat = V4L2_PIX_FMT_MPEG;
return 0;
}
-static int vidioc_g_fmt_cap (struct file *file, void *priv,
+static int vidioc_g_fmt_vid_cap (struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx8802_fh *fh = priv;
struct cx8802_dev *dev = fh->dev;
- f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
f->fmt.pix.bytesperline = 0;
f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */
return 0;
}
-static int vidioc_try_fmt_cap (struct file *file, void *priv,
+static int vidioc_try_fmt_vid_cap (struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx8802_fh *fh = priv;
struct cx8802_dev *dev = fh->dev;
- f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
f->fmt.pix.bytesperline = 0;
f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
return 0;
}
-static int vidioc_s_fmt_cap (struct file *file, void *priv,
+static int vidioc_s_fmt_vid_cap (struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx8802_fh *fh = priv;
struct cx8802_dev *dev = fh->dev;
struct cx88_core *core = dev->core;
- f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
f->fmt.pix.bytesperline = 0;
f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
snprintf(name, sizeof(name), "%s/2", core->name);
printk("%s/2: ============ START LOG STATUS ============\n",
core->name);
- cx88_call_i2c_clients(core, VIDIOC_LOG_STATUS, NULL);
+ call_all(core, core, log_status);
cx2341x_log_status(&dev->params, name);
printk("%s/2: ============= END LOG STATUS =============\n",
core->name);
f->type = V4L2_TUNER_ANALOG_TV;
f->frequency = core->freq;
- cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f);
+ call_all(core, tuner, g_frequency, f);
return 0;
}
/* FIXME: cx88_ioctl_hook not implemented */
-static int mpeg_open(struct inode *inode, struct file *file)
+static int mpeg_open(struct file *file)
{
- int minor = iminor(inode);
- struct cx8802_dev *dev = NULL;
+ int minor = video_devdata(file)->minor;
+ struct cx8802_dev *dev = video_drvdata(file);
struct cx8802_fh *fh;
struct cx8802_driver *drv = NULL;
int err;
- dev = cx8802_get_device(inode);
-
dprintk( 1, "%s\n", __func__);
- if (dev == NULL)
- return -ENODEV;
+ lock_kernel();
/* Make sure we can acquire the hardware */
drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
err = drv->request_acquire(drv);
if(err != 0) {
dprintk(1,"%s: Unable to acquire hardware, %d\n", __func__, err);
+ unlock_kernel();
return err;
}
}
- if (blackbird_initialize_codec(dev) < 0) {
+ if (!atomic_read(&dev->core->mpeg_users) && blackbird_initialize_codec(dev) < 0) {
if (drv)
drv->request_release(drv);
+ unlock_kernel();
return -EINVAL;
}
dprintk(1,"open minor=%d\n",minor);
if (NULL == fh) {
if (drv)
drv->request_release(drv);
+ unlock_kernel();
return -ENOMEM;
}
file->private_data = fh;
/* FIXME: locking against other video device */
cx88_set_scale(dev->core, dev->width, dev->height,
fh->mpegq.field);
+ unlock_kernel();
+
+ atomic_inc(&dev->core->mpeg_users);
return 0;
}
-static int mpeg_release(struct inode *inode, struct file *file)
+static int mpeg_release(struct file *file)
{
struct cx8802_fh *fh = file->private_data;
struct cx8802_dev *dev = fh->dev;
struct cx8802_driver *drv = NULL;
- if (dev->mpeg_active)
+ if (dev->mpeg_active && atomic_read(&dev->core->mpeg_users) == 1)
blackbird_stop_codec(dev);
cx8802_cancel_buffers(fh->dev);
kfree(fh);
/* Make sure we release the hardware */
- dev = cx8802_get_device(inode);
- if (dev == NULL)
- return -ENODEV;
-
drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
if (drv)
drv->request_release(drv);
+ atomic_dec(&dev->core->mpeg_users);
+
return 0;
}
mpeg_poll(struct file *file, struct poll_table_struct *wait)
{
struct cx8802_fh *fh = file->private_data;
+ struct cx8802_dev *dev = fh->dev;
+
+ if (!dev->mpeg_active)
+ blackbird_start_codec(file, fh);
return videobuf_poll_stream(file, &fh->mpegq, wait);
}
return videobuf_mmap_mapper(&fh->mpegq, vma);
}
-static const struct file_operations mpeg_fops =
+static const struct v4l2_file_operations mpeg_fops =
{
.owner = THIS_MODULE,
.open = mpeg_open,
.poll = mpeg_poll,
.mmap = mpeg_mmap,
.ioctl = video_ioctl2,
- .llseek = no_llseek,
};
-static struct video_device cx8802_mpeg_template =
-{
- .name = "cx8802",
- .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES|VID_TYPE_MPEG_ENCODER,
- .fops = &mpeg_fops,
- .minor = -1,
+static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
.vidioc_querymenu = vidioc_querymenu,
.vidioc_querycap = vidioc_querycap,
- .vidioc_enum_fmt_cap = vidioc_enum_fmt_cap,
- .vidioc_g_fmt_cap = vidioc_g_fmt_cap,
- .vidioc_try_fmt_cap = vidioc_try_fmt_cap,
- .vidioc_s_fmt_cap = vidioc_s_fmt_cap,
+ .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
+ .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
+ .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
+ .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
.vidioc_reqbufs = vidioc_reqbufs,
.vidioc_querybuf = vidioc_querybuf,
.vidioc_qbuf = vidioc_qbuf,
.vidioc_g_tuner = vidioc_g_tuner,
.vidioc_s_tuner = vidioc_s_tuner,
.vidioc_s_std = vidioc_s_std,
+};
+
+static struct video_device cx8802_mpeg_template = {
+ .name = "cx8802",
+ .fops = &mpeg_fops,
+ .ioctl_ops = &mpeg_ioctl_ops,
+ .minor = -1,
.tvnorms = CX88_NORMS,
.current_norm = V4L2_STD_NTSC_M,
};
* We're being given access to re-arrange the GPIOs.
* Take the bus off the cx22702 and put the cx23416 on it.
*/
- cx_clear(MO_GP0_IO, 0x00000080); /* cx22702 in reset */
- cx_set(MO_GP0_IO, 0x00000004); /* Disable the cx22702 */
+ /* Toggle reset on cx22702 leaving i2c active */
+ cx_set(MO_GP0_IO, 0x00000080);
+ udelay(1000);
+ cx_clear(MO_GP0_IO, 0x00000080);
+ udelay(50);
+ cx_set(MO_GP0_IO, 0x00000080);
+ udelay(1000);
+ /* tri-state the cx22702 pins */
+ cx_set(MO_GP0_IO, 0x00000004);
+ udelay(1000);
break;
default:
err = -ENODEV;
static void blackbird_unregister_video(struct cx8802_dev *dev)
{
if (dev->mpeg_dev) {
- if (-1 != dev->mpeg_dev->minor)
+ if (video_is_registered(dev->mpeg_dev))
video_unregister_device(dev->mpeg_dev);
else
video_device_release(dev->mpeg_dev);
dev->mpeg_dev = cx88_vdev_init(dev->core,dev->pci,
&cx8802_mpeg_template,"mpeg");
+ video_set_drvdata(dev->mpeg_dev, dev);
err = video_register_device(dev->mpeg_dev,VFL_TYPE_GRABBER, -1);
if (err < 0) {
printk(KERN_INFO "%s/2: can't register mpeg device\n",
dev->core->name);
return err;
}
- printk(KERN_INFO "%s/2: registered device video%d [mpeg]\n",
- dev->core->name,dev->mpeg_dev->minor & 0x1f);
+ printk(KERN_INFO "%s/2: registered device %s [mpeg]\n",
+ dev->core->name, video_device_node_name(dev->mpeg_dev));
return 0;
}
.advise_release = cx8802_blackbird_advise_release,
};
-static int blackbird_init(void)
+static int __init blackbird_init(void)
{
printk(KERN_INFO "cx2388x blackbird driver version %d.%d.%d loaded\n",
(CX88_VERSION_CODE >> 16) & 0xff,
return cx8802_register_driver(&cx8802_blackbird_driver);
}
-static void blackbird_fini(void)
+static void __exit blackbird_fini(void)
{
cx8802_unregister_driver(&cx8802_blackbird_driver);
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff