2005-04-16 22:20:36 +00:00
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/*
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*
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* (c) 2004 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/init.h>
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#include <linux/list.h>
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/slab.h>
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#include <linux/delay.h>
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#include "saa7134-reg.h"
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#include "saa7134.h"
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#include <media/saa6752hs.h>
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2006-01-09 17:32:31 +00:00
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#include <media/v4l2-common.h>
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2005-04-16 22:20:36 +00:00
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/* ------------------------------------------------------------------ */
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MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
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MODULE_LICENSE("GPL");
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static unsigned int empress_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
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2005-12-12 08:37:28 +00:00
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2005-04-16 22:20:36 +00:00
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module_param_array(empress_nr, int, NULL, 0444);
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MODULE_PARM_DESC(empress_nr,"ts device number");
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2008-04-22 17:41:48 +00:00
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static unsigned int debug;
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2005-04-16 22:20:36 +00:00
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module_param(debug, int, 0644);
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MODULE_PARM_DESC(debug,"enable debug messages");
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#define dprintk(fmt, arg...) if (debug) \
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printk(KERN_DEBUG "%s/empress: " fmt, dev->name , ## arg)
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/* ------------------------------------------------------------------ */
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static void ts_reset_encoder(struct saa7134_dev* dev)
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{
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if (!dev->empress_started)
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return;
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saa_writeb(SAA7134_SPECIAL_MODE, 0x00);
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msleep(10);
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2005-11-09 05:37:43 +00:00
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saa_writeb(SAA7134_SPECIAL_MODE, 0x01);
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2005-04-16 22:20:36 +00:00
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msleep(100);
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dev->empress_started = 0;
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}
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static int ts_init_encoder(struct saa7134_dev* dev)
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{
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2006-06-18 19:40:10 +00:00
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struct v4l2_ext_controls ctrls = { V4L2_CTRL_CLASS_MPEG, 0 };
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2005-04-16 22:20:36 +00:00
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ts_reset_encoder(dev);
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2006-06-18 19:40:10 +00:00
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saa7134_i2c_call_clients(dev, VIDIOC_S_EXT_CTRLS, &ctrls);
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2005-04-16 22:20:36 +00:00
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dev->empress_started = 1;
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2005-11-09 05:37:43 +00:00
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return 0;
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2005-04-16 22:20:36 +00:00
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}
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/* ------------------------------------------------------------------ */
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static int ts_open(struct inode *inode, struct file *file)
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{
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int minor = iminor(inode);
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2007-10-10 08:37:42 +00:00
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struct saa7134_dev *dev;
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2005-04-16 22:20:36 +00:00
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int err;
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2008-07-30 11:43:36 +00:00
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lock_kernel();
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2007-10-10 08:37:42 +00:00
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list_for_each_entry(dev, &saa7134_devlist, devlist)
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if (dev->empress_dev && dev->empress_dev->minor == minor)
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goto found;
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2008-07-30 11:43:36 +00:00
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unlock_kernel();
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2007-10-10 08:37:42 +00:00
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return -ENODEV;
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found:
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2005-04-16 22:20:36 +00:00
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dprintk("open minor=%d\n",minor);
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err = -EBUSY;
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2008-01-31 16:57:53 +00:00
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if (!mutex_trylock(&dev->empress_tsq.vb_lock))
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2005-04-16 22:20:36 +00:00
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goto done;
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2008-07-26 12:01:24 +00:00
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if (atomic_read(&dev->empress_users))
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2005-04-16 22:20:36 +00:00
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goto done_up;
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2007-06-20 08:37:27 +00:00
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/* Unmute audio */
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saa_writeb(SAA7134_AUDIO_MUTE_CTRL,
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saa_readb(SAA7134_AUDIO_MUTE_CTRL) & ~(1 << 6));
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2008-07-26 12:01:24 +00:00
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atomic_inc(&dev->empress_users);
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2005-04-16 22:20:36 +00:00
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file->private_data = dev;
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err = 0;
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done_up:
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2008-01-31 16:57:53 +00:00
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mutex_unlock(&dev->empress_tsq.vb_lock);
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2005-04-16 22:20:36 +00:00
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done:
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2008-07-30 11:43:36 +00:00
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unlock_kernel();
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2005-04-16 22:20:36 +00:00
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return err;
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}
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static int ts_release(struct inode *inode, struct file *file)
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{
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struct saa7134_dev *dev = file->private_data;
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2007-11-13 23:11:26 +00:00
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videobuf_stop(&dev->empress_tsq);
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2005-04-16 22:20:36 +00:00
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videobuf_mmap_free(&dev->empress_tsq);
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/* stop the encoder */
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ts_reset_encoder(dev);
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2007-06-20 08:37:27 +00:00
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/* Mute audio */
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saa_writeb(SAA7134_AUDIO_MUTE_CTRL,
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saa_readb(SAA7134_AUDIO_MUTE_CTRL) | (1 << 6));
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2008-07-26 12:01:24 +00:00
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atomic_dec(&dev->empress_users);
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2008-06-22 20:03:02 +00:00
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2005-04-16 22:20:36 +00:00
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return 0;
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}
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static ssize_t
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ts_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
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{
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struct saa7134_dev *dev = file->private_data;
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if (!dev->empress_started)
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ts_init_encoder(dev);
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return videobuf_read_stream(&dev->empress_tsq,
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data, count, ppos, 0,
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file->f_flags & O_NONBLOCK);
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}
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static unsigned int
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ts_poll(struct file *file, struct poll_table_struct *wait)
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{
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struct saa7134_dev *dev = file->private_data;
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return videobuf_poll_stream(file, &dev->empress_tsq, wait);
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}
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static int
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ts_mmap(struct file *file, struct vm_area_struct * vma)
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{
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struct saa7134_dev *dev = file->private_data;
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return videobuf_mmap_mapper(&dev->empress_tsq, vma);
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}
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/*
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* This function is _not_ called directly, but from
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* video_generic_ioctl (and maybe others). userspace
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* copying is done already, arg is a kernel pointer.
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*/
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2007-12-11 15:56:23 +00:00
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static int empress_querycap(struct file *file, void *priv,
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struct v4l2_capability *cap)
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2005-04-16 22:20:36 +00:00
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{
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2008-05-21 04:20:34 +00:00
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struct saa7134_dev *dev = file->private_data;
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2007-12-11 15:56:23 +00:00
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strcpy(cap->driver, "saa7134");
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strlcpy(cap->card, saa7134_boards[dev->board].name,
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sizeof(cap->card));
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sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
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cap->version = SAA7134_VERSION_CODE;
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cap->capabilities =
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V4L2_CAP_VIDEO_CAPTURE |
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V4L2_CAP_READWRITE |
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V4L2_CAP_STREAMING;
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return 0;
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}
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2005-04-16 22:20:36 +00:00
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2007-12-11 15:56:23 +00:00
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static int empress_enum_input(struct file *file, void *priv,
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struct v4l2_input *i)
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{
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if (i->index != 0)
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return -EINVAL;
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2005-04-16 22:20:36 +00:00
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2007-12-11 15:56:23 +00:00
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i->type = V4L2_INPUT_TYPE_CAMERA;
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strcpy(i->name, "CCIR656");
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2005-04-16 22:20:36 +00:00
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2007-12-11 15:56:23 +00:00
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return 0;
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}
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2005-04-16 22:20:36 +00:00
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2007-12-11 15:56:23 +00:00
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static int empress_g_input(struct file *file, void *priv, unsigned int *i)
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{
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*i = 0;
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return 0;
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}
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2005-04-16 22:20:36 +00:00
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2007-12-11 15:56:23 +00:00
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static int empress_s_input(struct file *file, void *priv, unsigned int i)
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{
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if (i != 0)
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return -EINVAL;
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2005-04-16 22:20:36 +00:00
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2007-12-11 15:56:23 +00:00
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return 0;
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}
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2005-04-16 22:20:36 +00:00
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2008-05-28 15:16:41 +00:00
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static int empress_enum_fmt_vid_cap(struct file *file, void *priv,
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2007-12-11 15:56:23 +00:00
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struct v4l2_fmtdesc *f)
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{
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if (f->index != 0)
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return -EINVAL;
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2005-04-16 22:20:36 +00:00
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2007-12-11 15:56:23 +00:00
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strlcpy(f->description, "MPEG TS", sizeof(f->description));
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f->pixelformat = V4L2_PIX_FMT_MPEG;
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2005-04-16 22:20:36 +00:00
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2007-12-11 15:56:23 +00:00
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return 0;
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}
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2005-04-16 22:20:36 +00:00
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2008-05-28 15:16:41 +00:00
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static int empress_g_fmt_vid_cap(struct file *file, void *priv,
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2007-12-11 15:56:23 +00:00
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struct v4l2_format *f)
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{
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2008-06-10 17:19:31 +00:00
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struct saa7134_dev *dev = file->private_data;
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2005-04-16 22:20:36 +00:00
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2007-12-11 15:56:23 +00:00
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saa7134_i2c_call_clients(dev, VIDIOC_G_FMT, f);
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2005-04-16 22:20:36 +00:00
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2007-12-11 15:56:23 +00:00
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f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
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f->fmt.pix.sizeimage = TS_PACKET_SIZE * dev->ts.nr_packets;
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2005-04-16 22:20:36 +00:00
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2007-12-11 15:56:23 +00:00
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return 0;
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}
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2005-04-16 22:20:36 +00:00
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2008-05-28 15:16:41 +00:00
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static int empress_s_fmt_vid_cap(struct file *file, void *priv,
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2007-12-11 15:56:23 +00:00
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struct v4l2_format *f)
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{
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2008-06-10 17:19:31 +00:00
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struct saa7134_dev *dev = file->private_data;
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2005-04-16 22:20:36 +00:00
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2007-12-11 15:56:23 +00:00
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saa7134_i2c_call_clients(dev, VIDIOC_S_FMT, f);
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2005-04-16 22:20:36 +00:00
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2007-12-11 15:56:23 +00:00
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f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
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f->fmt.pix.sizeimage = TS_PACKET_SIZE * dev->ts.nr_packets;
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2005-04-16 22:20:36 +00:00
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2007-12-11 15:56:23 +00:00
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return 0;
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}
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static int empress_reqbufs(struct file *file, void *priv,
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struct v4l2_requestbuffers *p)
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{
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2008-06-10 17:19:31 +00:00
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struct saa7134_dev *dev = file->private_data;
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2007-12-11 15:56:23 +00:00
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return videobuf_reqbufs(&dev->empress_tsq, p);
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}
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static int empress_querybuf(struct file *file, void *priv,
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struct v4l2_buffer *b)
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{
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2008-06-10 17:19:31 +00:00
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struct saa7134_dev *dev = file->private_data;
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2007-12-11 15:56:23 +00:00
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return videobuf_querybuf(&dev->empress_tsq, b);
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}
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static int empress_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
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{
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2008-06-10 17:19:31 +00:00
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struct saa7134_dev *dev = file->private_data;
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2007-12-11 15:56:23 +00:00
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return videobuf_qbuf(&dev->empress_tsq, b);
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}
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static int empress_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
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{
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2008-06-10 17:19:31 +00:00
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struct saa7134_dev *dev = file->private_data;
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2007-12-11 15:56:23 +00:00
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return videobuf_dqbuf(&dev->empress_tsq, b,
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file->f_flags & O_NONBLOCK);
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}
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static int empress_streamon(struct file *file, void *priv,
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enum v4l2_buf_type type)
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{
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2008-06-10 17:19:31 +00:00
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struct saa7134_dev *dev = file->private_data;
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2007-12-11 15:56:23 +00:00
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return videobuf_streamon(&dev->empress_tsq);
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}
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static int empress_streamoff(struct file *file, void *priv,
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enum v4l2_buf_type type)
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{
|
2008-06-10 17:19:31 +00:00
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struct saa7134_dev *dev = file->private_data;
|
2007-12-11 15:56:23 +00:00
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return videobuf_streamoff(&dev->empress_tsq);
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}
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|
2008-06-28 00:18:15 +00:00
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static int saa7134_i2c_call_saa6752(struct saa7134_dev *dev,
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unsigned int cmd, void *arg)
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{
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if (dev->mpeg_i2c_client == NULL)
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return -EINVAL;
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return dev->mpeg_i2c_client->driver->command(dev->mpeg_i2c_client,
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cmd, arg);
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}
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2007-12-11 15:56:23 +00:00
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static int empress_s_ext_ctrls(struct file *file, void *priv,
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struct v4l2_ext_controls *ctrls)
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{
|
2008-06-10 17:19:31 +00:00
|
|
|
struct saa7134_dev *dev = file->private_data;
|
2008-06-28 00:18:15 +00:00
|
|
|
int err;
|
2007-12-11 15:56:23 +00:00
|
|
|
|
|
|
|
/* count == 0 is abused in saa6752hs.c, so that special
|
|
|
|
case is handled here explicitly. */
|
|
|
|
if (ctrls->count == 0)
|
2006-06-18 19:40:10 +00:00
|
|
|
return 0;
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2007-12-11 15:56:23 +00:00
|
|
|
if (ctrls->ctrl_class != V4L2_CTRL_CLASS_MPEG)
|
|
|
|
return -EINVAL;
|
|
|
|
|
2008-06-28 00:18:15 +00:00
|
|
|
err = saa7134_i2c_call_saa6752(dev, VIDIOC_S_EXT_CTRLS, ctrls);
|
2007-12-11 15:56:23 +00:00
|
|
|
ts_init_encoder(dev);
|
|
|
|
|
2008-06-28 00:18:15 +00:00
|
|
|
return err;
|
2005-04-16 22:20:36 +00:00
|
|
|
}
|
|
|
|
|
2007-12-11 15:56:23 +00:00
|
|
|
static int empress_g_ext_ctrls(struct file *file, void *priv,
|
|
|
|
struct v4l2_ext_controls *ctrls)
|
2005-04-16 22:20:36 +00:00
|
|
|
{
|
2008-06-10 17:19:31 +00:00
|
|
|
struct saa7134_dev *dev = file->private_data;
|
2007-12-11 15:56:23 +00:00
|
|
|
|
|
|
|
if (ctrls->ctrl_class != V4L2_CTRL_CLASS_MPEG)
|
|
|
|
return -EINVAL;
|
2008-06-28 00:18:15 +00:00
|
|
|
return saa7134_i2c_call_saa6752(dev, VIDIOC_G_EXT_CTRLS, ctrls);
|
|
|
|
}
|
2007-12-11 15:56:23 +00:00
|
|
|
|
2008-07-26 12:04:06 +00:00
|
|
|
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);
|
|
|
|
}
|
|
|
|
|
2008-06-28 00:18:15 +00:00
|
|
|
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);
|
2005-04-16 22:20:36 +00:00
|
|
|
}
|
|
|
|
|
2007-02-12 08:55:33 +00:00
|
|
|
static const struct file_operations ts_fops =
|
2005-04-16 22:20:36 +00:00
|
|
|
{
|
|
|
|
.owner = THIS_MODULE,
|
|
|
|
.open = ts_open,
|
|
|
|
.release = ts_release,
|
|
|
|
.read = ts_read,
|
|
|
|
.poll = ts_poll,
|
|
|
|
.mmap = ts_mmap,
|
2007-12-11 15:56:23 +00:00
|
|
|
.ioctl = video_ioctl2,
|
2005-04-16 22:20:36 +00:00
|
|
|
.llseek = no_llseek,
|
|
|
|
};
|
|
|
|
|
2008-07-21 05:57:38 +00:00
|
|
|
static const struct v4l2_ioctl_ops ts_ioctl_ops = {
|
2007-12-11 15:56:23 +00:00
|
|
|
.vidioc_querycap = empress_querycap,
|
2008-05-28 15:16:41 +00:00
|
|
|
.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,
|
2007-12-11 15:56:23 +00:00
|
|
|
.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,
|
|
|
|
|
2008-06-28 00:18:15 +00:00
|
|
|
.vidioc_queryctrl = empress_queryctrl,
|
|
|
|
.vidioc_querymenu = empress_querymenu,
|
2008-07-26 12:04:06 +00:00
|
|
|
.vidioc_g_ctrl = empress_g_ctrl,
|
|
|
|
.vidioc_s_ctrl = empress_s_ctrl,
|
2008-07-21 05:57:38 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
/* ----------------------------------------------------------- */
|
|
|
|
|
|
|
|
static struct video_device saa7134_empress_template = {
|
|
|
|
.name = "saa7134-empress",
|
|
|
|
.fops = &ts_fops,
|
|
|
|
.minor = -1,
|
|
|
|
.ioctl_ops = &ts_ioctl_ops,
|
2007-12-11 15:56:23 +00:00
|
|
|
|
|
|
|
.tvnorms = SAA7134_NORMS,
|
|
|
|
.current_norm = V4L2_STD_PAL,
|
2005-04-16 22:20:36 +00:00
|
|
|
};
|
|
|
|
|
2006-11-22 14:57:56 +00:00
|
|
|
static void empress_signal_update(struct work_struct *work)
|
2005-04-16 22:20:36 +00:00
|
|
|
{
|
2006-11-22 14:57:56 +00:00
|
|
|
struct saa7134_dev* dev =
|
|
|
|
container_of(work, struct saa7134_dev, empress_workqueue);
|
2005-04-16 22:20:36 +00:00
|
|
|
|
|
|
|
if (dev->nosignal) {
|
|
|
|
dprintk("no video signal\n");
|
|
|
|
ts_reset_encoder(dev);
|
|
|
|
} else {
|
|
|
|
dprintk("video signal acquired\n");
|
2008-07-26 12:01:24 +00:00
|
|
|
if (atomic_read(&dev->empress_users))
|
2005-04-16 22:20:36 +00:00
|
|
|
ts_init_encoder(dev);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void empress_signal_change(struct saa7134_dev *dev)
|
|
|
|
{
|
|
|
|
schedule_work(&dev->empress_workqueue);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static int empress_init(struct saa7134_dev *dev)
|
|
|
|
{
|
|
|
|
int err;
|
|
|
|
|
2008-04-09 02:20:00 +00:00
|
|
|
dprintk("%s: %s\n",dev->name,__func__);
|
2005-04-16 22:20:36 +00:00
|
|
|
dev->empress_dev = video_device_alloc();
|
|
|
|
if (NULL == dev->empress_dev)
|
|
|
|
return -ENOMEM;
|
|
|
|
*(dev->empress_dev) = saa7134_empress_template;
|
2008-07-20 09:31:39 +00:00
|
|
|
dev->empress_dev->parent = &dev->pci->dev;
|
2005-04-16 22:20:36 +00:00
|
|
|
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);
|
|
|
|
|
2006-11-22 14:57:56 +00:00
|
|
|
INIT_WORK(&dev->empress_workqueue, empress_signal_update);
|
2005-04-16 22:20:36 +00:00
|
|
|
|
|
|
|
err = video_register_device(dev->empress_dev,VFL_TYPE_GRABBER,
|
|
|
|
empress_nr[dev->nr]);
|
|
|
|
if (err < 0) {
|
|
|
|
printk(KERN_INFO "%s: can't register video device\n",
|
|
|
|
dev->name);
|
|
|
|
video_device_release(dev->empress_dev);
|
|
|
|
dev->empress_dev = NULL;
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
printk(KERN_INFO "%s: registered device video%d [mpeg]\n",
|
|
|
|
dev->name,dev->empress_dev->minor & 0x1f);
|
|
|
|
|
2008-04-22 17:42:13 +00:00
|
|
|
videobuf_queue_sg_init(&dev->empress_tsq, &saa7134_ts_qops,
|
|
|
|
&dev->pci->dev, &dev->slock,
|
2005-04-16 22:20:36 +00:00
|
|
|
V4L2_BUF_TYPE_VIDEO_CAPTURE,
|
|
|
|
V4L2_FIELD_ALTERNATE,
|
|
|
|
sizeof(struct saa7134_buf),
|
|
|
|
dev);
|
|
|
|
|
2006-11-22 14:57:56 +00:00
|
|
|
empress_signal_update(&dev->empress_workqueue);
|
2005-04-16 22:20:36 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int empress_fini(struct saa7134_dev *dev)
|
|
|
|
{
|
2008-04-09 02:20:00 +00:00
|
|
|
dprintk("%s: %s\n",dev->name,__func__);
|
2005-04-16 22:20:36 +00:00
|
|
|
|
|
|
|
if (NULL == dev->empress_dev)
|
|
|
|
return 0;
|
|
|
|
flush_scheduled_work();
|
|
|
|
video_unregister_device(dev->empress_dev);
|
|
|
|
dev->empress_dev = NULL;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct saa7134_mpeg_ops empress_ops = {
|
|
|
|
.type = SAA7134_MPEG_EMPRESS,
|
|
|
|
.init = empress_init,
|
|
|
|
.fini = empress_fini,
|
|
|
|
.signal_change = empress_signal_change,
|
|
|
|
};
|
|
|
|
|
|
|
|
static int __init empress_register(void)
|
|
|
|
{
|
|
|
|
return saa7134_ts_register(&empress_ops);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void __exit empress_unregister(void)
|
|
|
|
{
|
|
|
|
saa7134_ts_unregister(&empress_ops);
|
|
|
|
}
|
|
|
|
|
|
|
|
module_init(empress_register);
|
|
|
|
module_exit(empress_unregister);
|
|
|
|
|
|
|
|
/* ----------------------------------------------------------- */
|
|
|
|
/*
|
|
|
|
* Local variables:
|
|
|
|
* c-basic-offset: 8
|
|
|
|
* End:
|
|
|
|
*/
|