/*
- * $Id: saa7134-empress.c,v 1.10 2005/02/03 10:24:33 kraxel Exp $
*
* (c) 2004 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
*
#include <linux/init.h>
#include <linux/list.h>
#include <linux/module.h>
-#include <linux/moduleparam.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include "saa7134.h"
#include <media/saa6752hs.h>
+#include <media/v4l2-common.h>
/* ------------------------------------------------------------------ */
MODULE_LICENSE("GPL");
static unsigned int empress_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
+
module_param_array(empress_nr, int, NULL, 0444);
MODULE_PARM_DESC(empress_nr,"ts device number");
-static unsigned int debug = 0;
+static unsigned int debug;
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug,"enable debug messages");
saa_writeb(SAA7134_SPECIAL_MODE, 0x00);
msleep(10);
- saa_writeb(SAA7134_SPECIAL_MODE, 0x01);
+ saa_writeb(SAA7134_SPECIAL_MODE, 0x01);
msleep(100);
dev->empress_started = 0;
}
static int ts_init_encoder(struct saa7134_dev* dev)
{
+ struct v4l2_ext_controls ctrls = { V4L2_CTRL_CLASS_MPEG, 0 };
+
ts_reset_encoder(dev);
- saa7134_i2c_call_clients(dev, VIDIOC_S_MPEGCOMP, NULL);
+ saa7134_i2c_call_clients(dev, VIDIOC_S_EXT_CTRLS, &ctrls);
dev->empress_started = 1;
- return 0;
+ return 0;
}
/* ------------------------------------------------------------------ */
static int ts_open(struct inode *inode, struct file *file)
{
int minor = iminor(inode);
- struct saa7134_dev *h,*dev = NULL;
- struct list_head *list;
+ struct saa7134_dev *dev;
int err;
- list_for_each(list,&saa7134_devlist) {
- h = list_entry(list, struct saa7134_dev, devlist);
- if (h->empress_dev && h->empress_dev->minor == minor)
- dev = h;
- }
- if (NULL == dev)
- return -ENODEV;
+ list_for_each_entry(dev, &saa7134_devlist, devlist)
+ if (dev->empress_dev && dev->empress_dev->minor == minor)
+ goto found;
+ return -ENODEV;
+ found:
dprintk("open minor=%d\n",minor);
err = -EBUSY;
- if (down_trylock(&dev->empress_tsq.lock))
+ if (!mutex_trylock(&dev->empress_tsq.vb_lock))
goto done;
- if (dev->empress_users)
+ if (atomic_read(&dev->empress_users))
goto done_up;
- dev->empress_users++;
+ /* Unmute audio */
+ saa_writeb(SAA7134_AUDIO_MUTE_CTRL,
+ saa_readb(SAA7134_AUDIO_MUTE_CTRL) & ~(1 << 6));
+
+ atomic_inc(&dev->empress_users);
file->private_data = dev;
err = 0;
done_up:
- up(&dev->empress_tsq.lock);
+ mutex_unlock(&dev->empress_tsq.vb_lock);
done:
return err;
}
{
struct saa7134_dev *dev = file->private_data;
- if (dev->empress_tsq.streaming)
- videobuf_streamoff(&dev->empress_tsq);
- down(&dev->empress_tsq.lock);
- if (dev->empress_tsq.reading)
- videobuf_read_stop(&dev->empress_tsq);
+ videobuf_stop(&dev->empress_tsq);
videobuf_mmap_free(&dev->empress_tsq);
- dev->empress_users--;
/* stop the encoder */
ts_reset_encoder(dev);
- up(&dev->empress_tsq.lock);
+ /* Mute audio */
+ saa_writeb(SAA7134_AUDIO_MUTE_CTRL,
+ saa_readb(SAA7134_AUDIO_MUTE_CTRL) | (1 << 6));
+
+ atomic_dec(&dev->empress_users);
+
return 0;
}
* video_generic_ioctl (and maybe others). userspace
* copying is done already, arg is a kernel pointer.
*/
-static int ts_do_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, void *arg)
+
+static int empress_querycap(struct file *file, void *priv,
+ struct v4l2_capability *cap)
{
struct saa7134_dev *dev = file->private_data;
- if (debug > 1)
- saa7134_print_ioctl(dev->name,cmd);
- switch (cmd) {
- case VIDIOC_QUERYCAP:
- {
- struct v4l2_capability *cap = arg;
-
- memset(cap,0,sizeof(*cap));
- strcpy(cap->driver, "saa7134");
- strlcpy(cap->card, saa7134_boards[dev->board].name,
- sizeof(cap->card));
- sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
- cap->version = SAA7134_VERSION_CODE;
- cap->capabilities =
- V4L2_CAP_VIDEO_CAPTURE |
- V4L2_CAP_READWRITE |
- V4L2_CAP_STREAMING;
- return 0;
- }
+ strcpy(cap->driver, "saa7134");
+ strlcpy(cap->card, saa7134_boards[dev->board].name,
+ sizeof(cap->card));
+ sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
+ cap->version = SAA7134_VERSION_CODE;
+ cap->capabilities =
+ V4L2_CAP_VIDEO_CAPTURE |
+ V4L2_CAP_READWRITE |
+ V4L2_CAP_STREAMING;
+ return 0;
+}
- /* --- input switching --------------------------------------- */
- case VIDIOC_ENUMINPUT:
- {
- struct v4l2_input *i = arg;
+static int empress_enum_input(struct file *file, void *priv,
+ struct v4l2_input *i)
+{
+ if (i->index != 0)
+ return -EINVAL;
- if (i->index != 0)
- return -EINVAL;
- i->type = V4L2_INPUT_TYPE_CAMERA;
- strcpy(i->name,"CCIR656");
- return 0;
- }
- case VIDIOC_G_INPUT:
- {
- int *i = arg;
- *i = 0;
- return 0;
- }
- case VIDIOC_S_INPUT:
- {
- int *i = arg;
+ i->type = V4L2_INPUT_TYPE_CAMERA;
+ strcpy(i->name, "CCIR656");
- if (*i != 0)
- return -EINVAL;
- return 0;
- }
- /* --- capture ioctls ---------------------------------------- */
-
- case VIDIOC_ENUM_FMT:
- {
- struct v4l2_fmtdesc *f = arg;
- int index;
-
- index = f->index;
- if (index != 0)
- return -EINVAL;
-
- memset(f,0,sizeof(*f));
- f->index = index;
- strlcpy(f->description, "MPEG TS", sizeof(f->description));
- f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- f->pixelformat = V4L2_PIX_FMT_MPEG;
- return 0;
- }
+ return 0;
+}
- case VIDIOC_G_FMT:
- {
- struct v4l2_format *f = arg;
+static int empress_g_input(struct file *file, void *priv, unsigned int *i)
+{
+ *i = 0;
+ return 0;
+}
- memset(f,0,sizeof(*f));
- f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+static int empress_s_input(struct file *file, void *priv, unsigned int i)
+{
+ if (i != 0)
+ return -EINVAL;
- /* FIXME: translate subsampling type EMPRESS into
- * width/height: */
- f->fmt.pix.width = 720; /* D1 */
- f->fmt.pix.height = 576;
- f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
- f->fmt.pix.sizeimage = TS_PACKET_SIZE * dev->ts.nr_packets;
- return 0;
- }
+ return 0;
+}
- case VIDIOC_S_FMT:
- {
- struct v4l2_format *f = arg;
-
- if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
- return -EINVAL;
-
- /*
- FIXME: translate and round width/height into EMPRESS
- subsample type:
-
- type | PAL | NTSC
- ---------------------------
- SIF | 352x288 | 352x240
- 1/2 D1 | 352x576 | 352x480
- 2/3 D1 | 480x576 | 480x480
- D1 | 720x576 | 720x480
- */
-
- f->fmt.pix.width = 720; /* D1 */
- f->fmt.pix.height = 576;
- f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
- f->fmt.pix.sizeimage = TS_PACKET_SIZE* dev->ts.nr_packets;
- return 0;
- }
+static int empress_enum_fmt_vid_cap(struct file *file, void *priv,
+ struct v4l2_fmtdesc *f)
+{
+ if (f->index != 0)
+ return -EINVAL;
- case VIDIOC_REQBUFS:
- return videobuf_reqbufs(&dev->empress_tsq,arg);
+ strlcpy(f->description, "MPEG TS", sizeof(f->description));
+ f->pixelformat = V4L2_PIX_FMT_MPEG;
- case VIDIOC_QUERYBUF:
- return videobuf_querybuf(&dev->empress_tsq,arg);
+ return 0;
+}
- case VIDIOC_QBUF:
- return videobuf_qbuf(&dev->empress_tsq,arg);
+static int empress_g_fmt_vid_cap(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct saa7134_dev *dev = file->private_data;
- case VIDIOC_DQBUF:
- return videobuf_dqbuf(&dev->empress_tsq,arg,
- file->f_flags & O_NONBLOCK);
+ saa7134_i2c_call_clients(dev, VIDIOC_G_FMT, f);
- case VIDIOC_STREAMON:
- return videobuf_streamon(&dev->empress_tsq);
+ f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
+ f->fmt.pix.sizeimage = TS_PACKET_SIZE * dev->ts.nr_packets;
- case VIDIOC_STREAMOFF:
- return videobuf_streamoff(&dev->empress_tsq);
+ return 0;
+}
- case VIDIOC_QUERYCTRL:
- case VIDIOC_G_CTRL:
- case VIDIOC_S_CTRL:
- return saa7134_common_ioctl(dev, cmd, arg);
+static int empress_s_fmt_vid_cap(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct saa7134_dev *dev = file->private_data;
- case VIDIOC_S_MPEGCOMP:
- saa7134_i2c_call_clients(dev, VIDIOC_S_MPEGCOMP, arg);
- ts_init_encoder(dev);
- return 0;
- case VIDIOC_G_MPEGCOMP:
- saa7134_i2c_call_clients(dev, VIDIOC_G_MPEGCOMP, arg);
- return 0;
+ saa7134_i2c_call_clients(dev, VIDIOC_S_FMT, f);
+
+ f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
+ f->fmt.pix.sizeimage = TS_PACKET_SIZE * dev->ts.nr_packets;
- default:
- return -ENOIOCTLCMD;
- }
return 0;
}
-static int ts_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+
+static int empress_reqbufs(struct file *file, void *priv,
+ struct v4l2_requestbuffers *p)
+{
+ struct saa7134_dev *dev = file->private_data;
+
+ return videobuf_reqbufs(&dev->empress_tsq, p);
+}
+
+static int empress_querybuf(struct file *file, void *priv,
+ struct v4l2_buffer *b)
+{
+ struct saa7134_dev *dev = file->private_data;
+
+ return videobuf_querybuf(&dev->empress_tsq, b);
+}
+
+static int empress_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
+{
+ struct saa7134_dev *dev = file->private_data;
+
+ return videobuf_qbuf(&dev->empress_tsq, b);
+}
+
+static int empress_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
+{
+ struct saa7134_dev *dev = file->private_data;
+
+ return videobuf_dqbuf(&dev->empress_tsq, b,
+ file->f_flags & O_NONBLOCK);
+}
+
+static int empress_streamon(struct file *file, void *priv,
+ enum v4l2_buf_type type)
+{
+ struct saa7134_dev *dev = file->private_data;
+
+ return videobuf_streamon(&dev->empress_tsq);
+}
+
+static int empress_streamoff(struct file *file, void *priv,
+ enum v4l2_buf_type type)
+{
+ struct saa7134_dev *dev = file->private_data;
+
+ return videobuf_streamoff(&dev->empress_tsq);
+}
+
+static int saa7134_i2c_call_saa6752(struct saa7134_dev *dev,
+ unsigned int cmd, void *arg)
{
- return video_usercopy(inode, file, cmd, arg, ts_do_ioctl);
+ if (dev->mpeg_i2c_client == NULL)
+ return -EINVAL;
+ return dev->mpeg_i2c_client->driver->command(dev->mpeg_i2c_client,
+ cmd, arg);
+}
+
+static int empress_s_ext_ctrls(struct file *file, void *priv,
+ struct v4l2_ext_controls *ctrls)
+{
+ struct saa7134_dev *dev = file->private_data;
+ int err;
+
+ /* count == 0 is abused in saa6752hs.c, so that special
+ case is handled here explicitly. */
+ if (ctrls->count == 0)
+ return 0;
+
+ if (ctrls->ctrl_class != V4L2_CTRL_CLASS_MPEG)
+ return -EINVAL;
+
+ err = saa7134_i2c_call_saa6752(dev, VIDIOC_S_EXT_CTRLS, ctrls);
+ ts_init_encoder(dev);
+
+ return err;
}
-static struct file_operations ts_fops =
+static int empress_g_ext_ctrls(struct file *file, void *priv,
+ struct v4l2_ext_controls *ctrls)
+{
+ struct saa7134_dev *dev = file->private_data;
+
+ if (ctrls->ctrl_class != V4L2_CTRL_CLASS_MPEG)
+ return -EINVAL;
+ return saa7134_i2c_call_saa6752(dev, VIDIOC_G_EXT_CTRLS, ctrls);
+}
+
+static int empress_g_ctrl(struct file *file, void *priv,
+ struct v4l2_control *c)
+{
+ struct saa7134_dev *dev = file->private_data;
+
+ return saa7134_g_ctrl_internal(dev, NULL, c);
+}
+
+static int empress_s_ctrl(struct file *file, void *priv,
+ struct v4l2_control *c)
+{
+ struct saa7134_dev *dev = file->private_data;
+
+ return saa7134_s_ctrl_internal(dev, NULL, c);
+}
+
+static int empress_queryctrl(struct file *file, void *priv,
+ struct v4l2_queryctrl *c)
+{
+ static const u32 user_ctrls[] = {
+ V4L2_CID_USER_CLASS,
+ V4L2_CID_BRIGHTNESS,
+ V4L2_CID_CONTRAST,
+ V4L2_CID_SATURATION,
+ V4L2_CID_HUE,
+ V4L2_CID_AUDIO_VOLUME,
+ V4L2_CID_AUDIO_MUTE,
+ V4L2_CID_HFLIP,
+ 0
+ };
+
+ static const u32 mpeg_ctrls[] = {
+ V4L2_CID_MPEG_CLASS,
+ V4L2_CID_MPEG_STREAM_TYPE,
+ V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ,
+ V4L2_CID_MPEG_AUDIO_ENCODING,
+ V4L2_CID_MPEG_AUDIO_L2_BITRATE,
+ V4L2_CID_MPEG_VIDEO_ENCODING,
+ V4L2_CID_MPEG_VIDEO_ASPECT,
+ V4L2_CID_MPEG_VIDEO_BITRATE_MODE,
+ V4L2_CID_MPEG_VIDEO_BITRATE,
+ V4L2_CID_MPEG_VIDEO_BITRATE_PEAK,
+ 0
+ };
+ static const u32 *ctrl_classes[] = {
+ user_ctrls,
+ mpeg_ctrls,
+ NULL
+ };
+ struct saa7134_dev *dev = file->private_data;
+
+ c->id = v4l2_ctrl_next(ctrl_classes, c->id);
+ if (c->id == 0)
+ return -EINVAL;
+ if (c->id == V4L2_CID_USER_CLASS || c->id == V4L2_CID_MPEG_CLASS)
+ return v4l2_ctrl_query_fill_std(c);
+ if (V4L2_CTRL_ID2CLASS(c->id) != V4L2_CTRL_CLASS_MPEG)
+ return saa7134_queryctrl(file, priv, c);
+ return saa7134_i2c_call_saa6752(dev, VIDIOC_QUERYCTRL, c);
+}
+
+static int empress_querymenu(struct file *file, void *priv,
+ struct v4l2_querymenu *c)
+{
+ struct saa7134_dev *dev = file->private_data;
+
+ if (V4L2_CTRL_ID2CLASS(c->id) != V4L2_CTRL_CLASS_MPEG)
+ return -EINVAL;
+ return saa7134_i2c_call_saa6752(dev, VIDIOC_QUERYMENU, c);
+}
+
+static const struct file_operations ts_fops =
{
.owner = THIS_MODULE,
.open = ts_open,
.read = ts_read,
.poll = ts_poll,
.mmap = ts_mmap,
- .ioctl = ts_ioctl,
+ .ioctl = video_ioctl2,
.llseek = no_llseek,
};
+static const struct v4l2_ioctl_ops ts_ioctl_ops = {
+ .vidioc_querycap = empress_querycap,
+ .vidioc_enum_fmt_vid_cap = empress_enum_fmt_vid_cap,
+ .vidioc_s_fmt_vid_cap = empress_s_fmt_vid_cap,
+ .vidioc_g_fmt_vid_cap = empress_g_fmt_vid_cap,
+ .vidioc_reqbufs = empress_reqbufs,
+ .vidioc_querybuf = empress_querybuf,
+ .vidioc_qbuf = empress_qbuf,
+ .vidioc_dqbuf = empress_dqbuf,
+ .vidioc_streamon = empress_streamon,
+ .vidioc_streamoff = empress_streamoff,
+ .vidioc_s_ext_ctrls = empress_s_ext_ctrls,
+ .vidioc_g_ext_ctrls = empress_g_ext_ctrls,
+ .vidioc_enum_input = empress_enum_input,
+ .vidioc_g_input = empress_g_input,
+ .vidioc_s_input = empress_s_input,
+
+ .vidioc_queryctrl = empress_queryctrl,
+ .vidioc_querymenu = empress_querymenu,
+ .vidioc_g_ctrl = empress_g_ctrl,
+ .vidioc_s_ctrl = empress_s_ctrl,
+};
+
/* ----------------------------------------------------------- */
-static struct video_device saa7134_empress_template =
-{
+static struct video_device saa7134_empress_template = {
.name = "saa7134-empress",
- .type = 0 /* FIXME */,
- .type2 = 0 /* FIXME */,
- .hardware = 0,
.fops = &ts_fops,
.minor = -1,
+ .ioctl_ops = &ts_ioctl_ops,
+
+ .tvnorms = SAA7134_NORMS,
+ .current_norm = V4L2_STD_PAL,
};
-static void empress_signal_update(void* data)
+static void empress_signal_update(struct work_struct *work)
{
- struct saa7134_dev* dev = (struct saa7134_dev*) data;
+ struct saa7134_dev* dev =
+ container_of(work, struct saa7134_dev, empress_workqueue);
if (dev->nosignal) {
dprintk("no video signal\n");
ts_reset_encoder(dev);
} else {
dprintk("video signal acquired\n");
- if (dev->empress_users)
+ if (atomic_read(&dev->empress_users))
ts_init_encoder(dev);
}
}
{
int err;
- dprintk("%s: %s\n",dev->name,__FUNCTION__);
+ dprintk("%s: %s\n",dev->name,__func__);
dev->empress_dev = video_device_alloc();
if (NULL == dev->empress_dev)
return -ENOMEM;
*(dev->empress_dev) = saa7134_empress_template;
- dev->empress_dev->dev = &dev->pci->dev;
+ dev->empress_dev->parent = &dev->pci->dev;
dev->empress_dev->release = video_device_release;
snprintf(dev->empress_dev->name, sizeof(dev->empress_dev->name),
"%s empress (%s)", dev->name,
saa7134_boards[dev->board].name);
- INIT_WORK(&dev->empress_workqueue, empress_signal_update, (void*) dev);
+ INIT_WORK(&dev->empress_workqueue, empress_signal_update);
err = video_register_device(dev->empress_dev,VFL_TYPE_GRABBER,
empress_nr[dev->nr]);
printk(KERN_INFO "%s: registered device video%d [mpeg]\n",
dev->name,dev->empress_dev->minor & 0x1f);
- videobuf_queue_init(&dev->empress_tsq, &saa7134_ts_qops,
- dev->pci, &dev->slock,
+ videobuf_queue_sg_init(&dev->empress_tsq, &saa7134_ts_qops,
+ &dev->pci->dev, &dev->slock,
V4L2_BUF_TYPE_VIDEO_CAPTURE,
V4L2_FIELD_ALTERNATE,
sizeof(struct saa7134_buf),
dev);
- empress_signal_update(dev);
+ empress_signal_update(&dev->empress_workqueue);
return 0;
}
static int empress_fini(struct saa7134_dev *dev)
{
- dprintk("%s: %s\n",dev->name,__FUNCTION__);
+ dprintk("%s: %s\n",dev->name,__func__);
if (NULL == dev->empress_dev)
return 0;
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff