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C++ DEB_VBI函数代码示例

本文整理汇总了C++中DEB_VBI函数的典型用法代码示例。如果您正苦于以下问题：C++ DEB_VBI函数的具体用法？C++ DEB_VBI怎么用？C++ DEB_VBI使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。


在下文中一共展示了DEB_VBI函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: vbi_read

static ssize_t vbi_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
{
	struct saa7146_fh *fh = file->private_data;
	struct saa7146_dev *dev = fh->dev;
	struct saa7146_vv *vv = dev->vv_data;
	ssize_t ret = 0;

	DEB_VBI(("dev:%p, fh:%p\n",dev,fh));

	if( NULL == vv->vbi_streaming ) {
		// fixme: check if dma3 is available
		// fixme: activate vbi engine here if necessary. (really?)
		vv->vbi_streaming = fh;
	}

	if( fh != vv->vbi_streaming ) {
		DEB_VBI(("open %p is already using vbi capture.",vv->vbi_streaming));
		return -EBUSY;
	}

	mod_timer(&fh->vbi_read_timeout, jiffies+BUFFER_TIMEOUT);
	ret = videobuf_read_stream(&fh->vbi_q, data, count, ppos, 1,
				   file->f_flags & O_NONBLOCK);
	return ret;
}
开发者ID:Medvedroid，项目名称:OT_903D-kernel-2.6.35.7，代码行数:25，代码来源:saa7146_vbi.c

示例2: vbi_open

static int vbi_open(struct saa7146_dev *dev, struct file *file)
{
    struct saa7146_fh *fh = file->private_data;

    u32 arbtr_ctrl	= saa7146_read(dev, PCI_BT_V1);
    int ret = 0;

    DEB_VBI(("dev:%p, fh:%p\n",dev,fh));

    ret = saa7146_res_get(fh, RESOURCE_DMA3_BRS);
    if (0 == ret) {
        DEB_S(("cannot get vbi RESOURCE_DMA3_BRS resource\n"));
        return -EBUSY;
    }

    /* adjust arbitrition control for video dma 3 */
    arbtr_ctrl &= ~0x1f0000;
    arbtr_ctrl |=  0x1d0000;
    saa7146_write(dev, PCI_BT_V1, arbtr_ctrl);
    saa7146_write(dev, MC2, (MASK_04|MASK_20));

    memset(&fh->vbi_fmt,0,sizeof(fh->vbi_fmt));

    fh->vbi_fmt.sampling_rate	= 27000000;
    fh->vbi_fmt.offset		= 248; /* todo */
    fh->vbi_fmt.samples_per_line	= vbi_pixel_to_capture;
    fh->vbi_fmt.sample_format	= V4L2_PIX_FMT_GREY;

    fh->vbi_fmt.start[0] = 5;
    fh->vbi_fmt.count[0] = 16;
    fh->vbi_fmt.start[1] = 312;
    fh->vbi_fmt.count[1] = 16;

    videobuf_queue_sg_init(&fh->vbi_q, &vbi_qops,
                           &dev->pci->dev, &dev->slock,
                           V4L2_BUF_TYPE_VBI_CAPTURE,
                           V4L2_FIELD_SEQ_TB,
                           sizeof(struct saa7146_buf),
                           file);

    init_timer(&fh->vbi_read_timeout);
    fh->vbi_read_timeout.function = vbi_read_timeout;
    fh->vbi_read_timeout.data = (unsigned long)file;

    /* initialize the brs */
    if ( 0 != (SAA7146_USE_PORT_B_FOR_VBI & dev->ext_vv_data->flags)) {
        saa7146_write(dev, BRS_CTRL, MASK_30|MASK_29 | (7 << 19));
    } else {
        saa7146_write(dev, BRS_CTRL, 0x00000001);

        if (0 != (ret = vbi_workaround(dev))) {
            DEB_VBI(("vbi workaround failed!\n"));
            /* return ret;*/
        }
    }

    /* upload brs register */
    saa7146_write(dev, MC2, (MASK_08|MASK_24));
    return 0;
}
开发者ID:daodaoliang，项目名称:miwifi，代码行数:60，代码来源:saa7146_vbi.c

示例3: vbi_read

static ssize_t vbi_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
{
	struct saa7146_fh *fh = file->private_data;
	struct saa7146_dev *dev = fh->dev;
	struct saa7146_vv *vv = dev->vv_data;
	ssize_t ret = 0;

	DEB_VBI("dev:%p, fh:%p\n", dev, fh);

	if( NULL == vv->vbi_streaming ) {
		// fixme: check if dma3 is available
		// fixme: activate vbi engine here if necessary. (really?)
		vv->vbi_streaming = fh;
	}

	if( fh != vv->vbi_streaming ) {
		DEB_VBI("open %p is already using vbi capture\n",
			vv->vbi_streaming);
		return -EBUSY;
	}

	mod_timer(&vv->vbi_read_timeout, jiffies+BUFFER_TIMEOUT);
	ret = videobuf_read_stream(&fh->vbi_q, data, count, ppos, 1,
				   file->f_flags & O_NONBLOCK);
/*
	printk("BASE_ODD3:      0x%08x\n", saa7146_read(dev, BASE_ODD3));
	printk("BASE_EVEN3:     0x%08x\n", saa7146_read(dev, BASE_EVEN3));
	printk("PROT_ADDR3:     0x%08x\n", saa7146_read(dev, PROT_ADDR3));
	printk("PITCH3:         0x%08x\n", saa7146_read(dev, PITCH3));
	printk("BASE_PAGE3:     0x%08x\n", saa7146_read(dev, BASE_PAGE3));
	printk("NUM_LINE_BYTE3: 0x%08x\n", saa7146_read(dev, NUM_LINE_BYTE3));
	printk("BRS_CTRL:       0x%08x\n", saa7146_read(dev, BRS_CTRL));
*/
	return ret;
}
开发者ID:03199618，项目名称:linux，代码行数:35，代码来源:saa7146_vbi.c

示例4: buffer_prepare

static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,enum v4l2_field field)
{
	struct file *file = q->priv_data;
	struct saa7146_fh *fh = file->private_data;
	struct saa7146_dev *dev = fh->dev;
	struct saa7146_buf *buf = (struct saa7146_buf *)vb;

	int err = 0;
	int lines, llength, size;

	lines   = 16 * 2 ; /* 2 fields */
	llength = vbi_pixel_to_capture;
	size = lines * llength;

	DEB_VBI("vb:%p\n", vb);

	if (0 != buf->vb.baddr  &&  buf->vb.bsize < size) {
		DEB_VBI("size mismatch\n");
		return -EINVAL;
	}

	if (buf->vb.size != size)
		saa7146_dma_free(dev,q,buf);

	if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
		struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);

		buf->vb.width  = llength;
		buf->vb.height = lines;
		buf->vb.size   = size;
		buf->vb.field  = field;	// FIXME: check this

		saa7146_pgtable_free(dev->pci, &buf->pt[2]);
		saa7146_pgtable_alloc(dev->pci, &buf->pt[2]);

		err = videobuf_iolock(q,&buf->vb, NULL);
		if (err)
			goto oops;
		err = saa7146_pgtable_build_single(dev->pci, &buf->pt[2],
						 dma->sglist, dma->sglen);
		if (0 != err)
			return err;
	}
	buf->vb.state = VIDEOBUF_PREPARED;
	buf->activate = buffer_activate;

	return 0;

 oops:
	DEB_VBI("error out\n");
	saa7146_dma_free(dev,q,buf);

	return err;
}
开发者ID:03199618，项目名称:linux，代码行数:54，代码来源:saa7146_vbi.c

示例5: vbi_open

static int vbi_open(struct saa7146_dev *dev, struct file *file)
{
	struct saa7146_fh *fh = file->private_data;
	struct saa7146_vv *vv = fh->dev->vv_data;

	u32 arbtr_ctrl	= saa7146_read(dev, PCI_BT_V1);
	int ret = 0;

	DEB_VBI("dev:%p, fh:%p\n", dev, fh);

	ret = saa7146_res_get(fh, RESOURCE_DMA3_BRS);
	if (0 == ret) {
		DEB_S("cannot get vbi RESOURCE_DMA3_BRS resource\n");
		return -EBUSY;
	}

	/* adjust arbitrition control for video dma 3 */
	arbtr_ctrl &= ~0x1f0000;
	arbtr_ctrl |=  0x1d0000;
	saa7146_write(dev, PCI_BT_V1, arbtr_ctrl);
	saa7146_write(dev, MC2, (MASK_04|MASK_20));

	videobuf_queue_sg_init(&fh->vbi_q, &vbi_qops,
			    &dev->pci->dev, &dev->slock,
			    V4L2_BUF_TYPE_VBI_CAPTURE,
			    V4L2_FIELD_SEQ_TB, // FIXME: does this really work?
			    sizeof(struct saa7146_buf),
			    file, &dev->v4l2_lock);

	vv->vbi_read_timeout.function = vbi_read_timeout;
	vv->vbi_read_timeout.data = (unsigned long)file;

	/* initialize the brs */
	if ( 0 != (SAA7146_USE_PORT_B_FOR_VBI & dev->ext_vv_data->flags)) {
		saa7146_write(dev, BRS_CTRL, MASK_30|MASK_29 | (7 << 19));
	} else {
		saa7146_write(dev, BRS_CTRL, 0x00000001);

		if (0 != (ret = vbi_workaround(dev))) {
			DEB_VBI("vbi workaround failed!\n");
			/* return ret;*/
		}
	}

	/* upload brs register */
	saa7146_write(dev, MC2, (MASK_08|MASK_24));
	return 0;
}
开发者ID:03199618，项目名称:linux，代码行数:48，代码来源:saa7146_vbi.c

示例6: vbi_stop

static void vbi_stop(struct saa7146_fh *fh, struct file *file)
{
	struct saa7146_dev *dev = fh->dev;
	struct saa7146_vv *vv = dev->vv_data;
	unsigned long flags;
	DEB_VBI("dev:%p, fh:%p\n", dev, fh);

	spin_lock_irqsave(&dev->slock,flags);

	/* disable rps1  */
	saa7146_write(dev, MC1, MASK_29);

	/* disable rps1 irqs */
	SAA7146_IER_DISABLE(dev, MASK_28);

	/* shut down dma 3 transfers */
	saa7146_write(dev, MC1, MASK_20);

	if (vv->vbi_dmaq.curr)
		saa7146_buffer_finish(dev, &vv->vbi_dmaq, VIDEOBUF_DONE);

	videobuf_queue_cancel(&fh->vbi_q);

	vv->vbi_streaming = NULL;

	del_timer(&vv->vbi_dmaq.timeout);
	del_timer(&vv->vbi_read_timeout);

	spin_unlock_irqrestore(&dev->slock, flags);
}
开发者ID:03199618，项目名称:linux，代码行数:30，代码来源:saa7146_vbi.c

示例7: vbi_irq_done

static void vbi_irq_done(struct saa7146_dev *dev, unsigned long status)
{
	struct saa7146_vv *vv = dev->vv_data;
	spin_lock(&dev->slock);

	if (vv->vbi_dmaq.curr) {
		DEB_VBI("dev:%p, curr:%p\n", dev, vv->vbi_dmaq.curr);
		/* this must be += 2, one count for each field */
		vv->vbi_fieldcount+=2;
		vv->vbi_dmaq.curr->vb.field_count = vv->vbi_fieldcount;
		saa7146_buffer_finish(dev, &vv->vbi_dmaq, VIDEOBUF_DONE);
	} else {
		DEB_VBI("dev:%p\n", dev);
	}
	saa7146_buffer_next(dev, &vv->vbi_dmaq, 1);

	spin_unlock(&dev->slock);
}
开发者ID:03199618，项目名称:linux，代码行数:18，代码来源:saa7146_vbi.c

示例8: buffer_release

static void buffer_release(struct file *file, struct videobuf_buffer *vb)
{
	struct saa7146_fh *fh   = file->private_data;
	struct saa7146_dev *dev = fh->dev;
	struct saa7146_buf *buf = (struct saa7146_buf *)vb;
	
	DEB_VBI(("vb:%p\n",vb));
	saa7146_dma_free(dev,buf);
}
开发者ID:xricson，项目名称:knoppix，代码行数:9，代码来源:saa7146_vbi.c

示例9: vbi_read_timeout

static void vbi_read_timeout(unsigned long data)
{
	struct file *file = (struct file*)data;
	struct saa7146_fh *fh = file->private_data;
	struct saa7146_dev *dev = fh->dev;

	DEB_VBI("dev:%p, fh:%p\n", dev, fh);

	vbi_stop(fh, file);
}
开发者ID:03199618，项目名称:linux，代码行数:10，代码来源:saa7146_vbi.c

示例10: vbi_close

static void vbi_close(struct saa7146_dev *dev, struct file *file)
{
	struct saa7146_fh *fh = (struct saa7146_fh *)file->private_data;
	struct saa7146_vv *vv = dev->vv_data;
	DEB_VBI(("dev:%p, fh:%p\n",dev,fh));

	if( fh == vv->vbi_streaming ) {
		vbi_stop(fh, file);
	}
}
开发者ID:xricson，项目名称:knoppix，代码行数:10，代码来源:saa7146_vbi.c

示例11: buffer_queue

static void buffer_queue(struct file *file, struct videobuf_buffer *vb)
{
	struct saa7146_fh *fh = file->private_data;
	struct saa7146_dev *dev = fh->dev;
	struct saa7146_vv *vv = dev->vv_data;
	struct saa7146_buf *buf = (struct saa7146_buf *)vb;
	
	DEB_VBI(("vb:%p\n",vb));
	saa7146_buffer_queue(dev,&vv->vbi_q,buf);
}
开发者ID:xricson，项目名称:knoppix，代码行数:10，代码来源:saa7146_vbi.c

示例12: vbi_close

static void vbi_close(struct saa7146_dev *dev, struct file *file)
{
	struct saa7146_fh *fh = file->private_data;
	struct saa7146_vv *vv = dev->vv_data;
	DEB_VBI("dev:%p, fh:%p\n", dev, fh);

	if( fh == vv->vbi_streaming ) {
		vbi_stop(fh, file);
	}
	saa7146_res_free(fh, RESOURCE_DMA3_BRS);
}
开发者ID:03199618，项目名称:linux，代码行数:11，代码来源:saa7146_vbi.c

示例13: vbi_init

static void vbi_init(struct saa7146_dev *dev, struct saa7146_vv *vv)
{
	DEB_VBI("dev:%p\n", dev);

	INIT_LIST_HEAD(&vv->vbi_dmaq.queue);

	init_timer(&vv->vbi_dmaq.timeout);
	vv->vbi_dmaq.timeout.function = saa7146_buffer_timeout;
	vv->vbi_dmaq.timeout.data     = (unsigned long)(&vv->vbi_dmaq);
	vv->vbi_dmaq.dev              = dev;

	init_waitqueue_head(&vv->vbi_wq);
}
开发者ID:03199618，项目名称:linux，代码行数:13，代码来源:saa7146_vbi.c

示例14: buffer_activate

static int buffer_activate(struct saa7146_dev *dev,
			   struct saa7146_buf *buf,
			   struct saa7146_buf *next)
{
	struct saa7146_vv *vv = dev->vv_data;
	buf->vb.state = VIDEOBUF_ACTIVE;

	DEB_VBI("dev:%p, buf:%p, next:%p\n", dev, buf, next);
	saa7146_set_vbi_capture(dev,buf,next);

	mod_timer(&vv->vbi_dmaq.timeout, jiffies+BUFFER_TIMEOUT);
	return 0;
}
开发者ID:03199618，项目名称:linux，代码行数:13，代码来源:saa7146_vbi.c

示例15: buffer_setup

static int buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
{
	int llength,lines;

	lines   = 16 * 2 ; /* 2 fields */
	llength = vbi_pixel_to_capture;

	*size = lines * llength;
	*count = 2;

	DEB_VBI("count:%d, size:%d\n", *count, *size);

	return 0;
}
开发者ID:03199618，项目名称:linux，代码行数:14，代码来源:saa7146_vbi.c


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