1 files changed, 859 insertions, 0 deletions

diff --git a/drivers/staging/solo6x10/solo6010-v4l2.c b/drivers/staging/solo6x10/solo6010-v4l2.c
new file mode 100644
index 000000000000..9537cc6ee3b7
--- /dev/null
+++ b/drivers/staging/solo6x10/solo6010-v4l2.c
@@ -0,0 +1,859 @@
+/*
+ * Copyright (C) 2010 Bluecherry, LLC www.bluecherrydvr.com
+ * Copyright (C) 2010 Ben Collins <bcollins@bluecherry.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/kthread.h>
+#include <linux/freezer.h>
+
+#include <media/v4l2-ioctl.h>
+#include <media/v4l2-common.h>
+#include <media/videobuf-dma-contig.h>
+
+#include "solo6010.h"
+#include "solo6010-tw28.h"
+
+#define SOLO_HW_BPL		2048
+#define SOLO_DISP_PIX_FIELD	V4L2_FIELD_INTERLACED
+#define SOLO_DISP_BUF_SIZE	(64 * 1024) // 64k
+
+/* Image size is two fields, SOLO_HW_BPL is one horizontal line */
+#define solo_vlines(__solo)	(__solo->video_vsize * 2)
+#define solo_image_size(__solo) (solo_bytesperline(__solo) * \
+				 solo_vlines(__solo))
+#define solo_bytesperline(__solo) (__solo->video_hsize * 2)
+
+#define MIN_VID_BUFFERS		4
+
+/* Simple file handle */
+struct solo_filehandle {
+	struct solo6010_dev	*solo_dev;
+	struct videobuf_queue	vidq;
+	struct task_struct      *kthread;
+	spinlock_t		slock;
+	int			old_write;
+	struct list_head	vidq_active;
+};
+
+unsigned video_nr = -1;
+module_param(video_nr, uint, 0644);
+MODULE_PARM_DESC(video_nr, "videoX start number, -1 is autodetect (default)");
+
+static void erase_on(struct solo6010_dev *solo_dev)
+{
+	solo_reg_write(solo_dev, SOLO_VO_DISP_ERASE, SOLO_VO_DISP_ERASE_ON);
+	solo_dev->erasing = 1;
+	solo_dev->frame_blank = 0;
+}
+
+static int erase_off(struct solo6010_dev *solo_dev)
+{
+	if (!solo_dev->erasing)
+		return 0;
+
+	/* First time around, assert erase off */
+	if (!solo_dev->frame_blank)
+		solo_reg_write(solo_dev, SOLO_VO_DISP_ERASE, 0);
+	/* Keep the erasing flag on for 8 frames minimum */
+	if (solo_dev->frame_blank++ >= 8)
+		solo_dev->erasing = 0;
+
+	return 1;
+}
+
+void solo_video_in_isr(struct solo6010_dev *solo_dev)
+{
+	solo_reg_write(solo_dev, SOLO_IRQ_STAT, SOLO_IRQ_VIDEO_IN);
+	wake_up_interruptible(&solo_dev->disp_thread_wait);
+}
+
+static void solo_win_setup(struct solo6010_dev *solo_dev, u8 ch,
+			   int sx, int sy, int ex, int ey, int scale)
+{
+	if (ch >= solo_dev->nr_chans)
+		return;
+
+	/* Here, we just keep window/channel the same */
+	solo_reg_write(solo_dev, SOLO_VI_WIN_CTRL0(ch),
+		       SOLO_VI_WIN_CHANNEL(ch) |
+		       SOLO_VI_WIN_SX(sx) |
+		       SOLO_VI_WIN_EX(ex) |
+		       SOLO_VI_WIN_SCALE(scale));
+
+        solo_reg_write(solo_dev, SOLO_VI_WIN_CTRL1(ch),
+		       SOLO_VI_WIN_SY(sy) |
+		       SOLO_VI_WIN_EY(ey));
+}
+
+static int solo_v4l2_ch_ext_4up(struct solo6010_dev *solo_dev, u8 idx, int on)
+{
+	u8 ch = idx * 4;
+
+	if (ch >= solo_dev->nr_chans)
+		return -EINVAL;
+
+	if (!on) {
+		u8 i;
+		for (i = ch; i < ch + 4; i++)
+			solo_win_setup(solo_dev, i, solo_dev->video_hsize,
+				       solo_vlines(solo_dev),
+				       solo_dev->video_hsize,
+				       solo_vlines(solo_dev), 0);
+		return 0;
+	}
+
+	/* Row 1 */
+	solo_win_setup(solo_dev, ch, 0, 0, solo_dev->video_hsize / 2,
+		       solo_vlines(solo_dev) / 2, 3);
+	solo_win_setup(solo_dev, ch + 1, solo_dev->video_hsize / 2, 0,
+		       solo_dev->video_hsize, solo_vlines(solo_dev) / 2, 3);
+	/* Row 2 */
+	solo_win_setup(solo_dev, ch + 2, 0, solo_vlines(solo_dev) / 2,
+		       solo_dev->video_hsize / 2, solo_vlines(solo_dev), 3);
+	solo_win_setup(solo_dev, ch + 3, solo_dev->video_hsize / 2,
+		       solo_vlines(solo_dev) / 2, solo_dev->video_hsize,
+		       solo_vlines(solo_dev), 3);
+
+	return 0;
+}
+
+static int solo_v4l2_ch_ext_16up(struct solo6010_dev *solo_dev, int on)
+{
+	int sy, ysize, hsize, i;
+
+	if (!on) {
+		for (i = 0; i < 16; i++)
+			solo_win_setup(solo_dev, i, solo_dev->video_hsize,
+				       solo_vlines(solo_dev),
+				       solo_dev->video_hsize,
+				       solo_vlines(solo_dev), 0);
+		return 0;
+	}
+
+	ysize = solo_vlines(solo_dev) / 4;
+	hsize = solo_dev->video_hsize / 4;
+
+	for (sy = 0, i = 0; i < 4; i++, sy += ysize) {
+		solo_win_setup(solo_dev, i * 4, 0, sy, hsize,
+			       sy + ysize, 5);
+		solo_win_setup(solo_dev, (i * 4) + 1, hsize, sy,
+			       hsize * 2, sy + ysize, 5);
+		solo_win_setup(solo_dev, (i * 4) + 2, hsize * 2, sy,
+			       hsize * 3, sy + ysize, 5);
+		solo_win_setup(solo_dev, (i * 4) + 3, hsize * 3, sy,
+			       solo_dev->video_hsize, sy + ysize, 5);
+	}
+
+	return 0;
+}
+
+static int solo_v4l2_ch(struct solo6010_dev *solo_dev, u8 ch, int on)
+{
+	u8 ext_ch;
+
+	if (ch < solo_dev->nr_chans) {
+		solo_win_setup(solo_dev, ch, on ? 0 : solo_dev->video_hsize,
+			       on ? 0 : solo_vlines(solo_dev),
+			       solo_dev->video_hsize, solo_vlines(solo_dev),
+			       on ? 1 : 0);
+		return 0;
+	}
+
+	if (ch >= solo_dev->nr_chans + solo_dev->nr_ext)
+		return -EINVAL;
+
+	ext_ch = ch - solo_dev->nr_chans;
+
+	/* 4up's first */
+	if (ext_ch < 4)
+		return solo_v4l2_ch_ext_4up(solo_dev, ext_ch, on);
+
+	/* Remaining case is 16up for 16-port */
+	return solo_v4l2_ch_ext_16up(solo_dev, on);
+}
+
+static int solo_v4l2_set_ch(struct solo6010_dev *solo_dev, u8 ch)
+{
+	if (ch >= solo_dev->nr_chans + solo_dev->nr_ext)
+		return -EINVAL;
+
+	erase_on(solo_dev);
+
+	solo_v4l2_ch(solo_dev, solo_dev->cur_disp_ch, 0);
+	solo_v4l2_ch(solo_dev, ch, 1);
+
+	solo_dev->cur_disp_ch = ch;
+
+	return 0;
+}
+
+static void solo_fillbuf(struct solo_filehandle *fh,
+			 struct videobuf_buffer *vb)
+{
+	struct solo6010_dev *solo_dev = fh->solo_dev;
+	dma_addr_t vbuf;
+	unsigned int fdma_addr;
+	int frame_size;
+	int error = 1;
+	int i;
+
+	if (!(vbuf = videobuf_to_dma_contig(vb)))
+		goto finish_buf;
+
+	if (erase_off(solo_dev)) {
+		void *p = videobuf_queue_to_vaddr(&fh->vidq, vb);
+		int image_size = solo_image_size(solo_dev);
+		for (i = 0; i < image_size; i += 2) {
+			((u8 *)p)[i] = 0x80;
+			((u8 *)p)[i + 1] = 0x00;
+		}
+		error = 0;
+		goto finish_buf;
+	}
+
+	frame_size = SOLO_HW_BPL * solo_vlines(solo_dev);
+	fdma_addr = SOLO_DISP_EXT_ADDR(solo_dev) + (fh->old_write * frame_size);
+
+	for (i = 0; i < frame_size / SOLO_DISP_BUF_SIZE; i++) {
+		int j;
+		for (j = 0; j < (SOLO_DISP_BUF_SIZE / SOLO_HW_BPL); j++) {
+			if (solo_p2m_dma_t(solo_dev, SOLO_P2M_DMA_ID_DISP, 0,
+					   vbuf, fdma_addr + (j * SOLO_HW_BPL),
+					   solo_bytesperline(solo_dev)))
+				goto finish_buf;
+			vbuf += solo_bytesperline(solo_dev);
+		}
+		fdma_addr += SOLO_DISP_BUF_SIZE;
+	}
+	error = 0;
+
+finish_buf:
+	if (error) {
+		vb->state = VIDEOBUF_ERROR;
+	} else {
+		vb->state = VIDEOBUF_DONE;
+		vb->field_count++;
+		do_gettimeofday(&vb->ts);
+	}
+
+	wake_up(&vb->done);
+
+	return;
+}
+
+static void solo_thread_try(struct solo_filehandle *fh)
+{
+	struct videobuf_buffer *vb;
+	unsigned int cur_write;
+
+	for (;;) {
+		spin_lock(&fh->slock);
+
+		if (list_empty(&fh->vidq_active))
+			break;
+
+		vb = list_first_entry(&fh->vidq_active, struct videobuf_buffer,
+				      queue);
+
+		if (!waitqueue_active(&vb->done))
+			break;
+
+		cur_write = SOLO_VI_STATUS0_PAGE(solo_reg_read(fh->solo_dev,
+							SOLO_VI_STATUS0));
+		if (cur_write == fh->old_write)
+			break;
+
+		fh->old_write = cur_write;
+		list_del(&vb->queue);
+
+		spin_unlock(&fh->slock);
+
+		solo_fillbuf(fh, vb);
+	}
+
+	assert_spin_locked(&fh->slock);
+	spin_unlock(&fh->slock);
+}
+
+static int solo_thread(void *data)
+{
+	struct solo_filehandle *fh = data;
+	struct solo6010_dev *solo_dev = fh->solo_dev;
+	DECLARE_WAITQUEUE(wait, current);
+
+	set_freezable();
+	add_wait_queue(&solo_dev->disp_thread_wait, &wait);
+
+	for (;;) {
+		long timeout = schedule_timeout_interruptible(HZ);
+		if (timeout == -ERESTARTSYS || kthread_should_stop())
+			break;
+		solo_thread_try(fh);
+		try_to_freeze();
+	}
+
+	remove_wait_queue(&solo_dev->disp_thread_wait, &wait);
+
+        return 0;
+}
+
+static int solo_start_thread(struct solo_filehandle *fh)
+{
+	fh->kthread = kthread_run(solo_thread, fh, SOLO6010_NAME "_disp");
+
+	if (IS_ERR(fh->kthread))
+		return PTR_ERR(fh->kthread);
+
+	return 0;
+}
+
+static void solo_stop_thread(struct solo_filehandle *fh)
+{
+	if (fh->kthread) {
+		kthread_stop(fh->kthread);
+		fh->kthread = NULL;
+	}
+}
+
+static int solo_buf_setup(struct videobuf_queue *vq, unsigned int *count,
+			  unsigned int *size)
+{
+	struct solo_filehandle *fh = vq->priv_data;
+	struct solo6010_dev *solo_dev  = fh->solo_dev;
+
+        *size = solo_image_size(solo_dev);
+
+        if (*count < MIN_VID_BUFFERS)
+		*count = MIN_VID_BUFFERS;
+
+        return 0;
+}
+
+static int solo_buf_prepare(struct videobuf_queue *vq,
+			    struct videobuf_buffer *vb, enum v4l2_field field)
+{
+	struct solo_filehandle *fh  = vq->priv_data;
+	struct solo6010_dev *solo_dev = fh->solo_dev;
+
+	vb->size = solo_image_size(solo_dev);
+	if (vb->baddr != 0 && vb->bsize < vb->size)
+		return -EINVAL;
+
+	/* XXX: These properties only change when queue is idle */
+	vb->width  = solo_dev->video_hsize;
+	vb->height = solo_vlines(solo_dev);
+	vb->bytesperline = solo_bytesperline(solo_dev);
+	vb->field  = field;
+
+	if (vb->state == VIDEOBUF_NEEDS_INIT) {
+		int rc = videobuf_iolock(vq, vb, NULL);
+		if (rc < 0) {
+			videobuf_dma_contig_free(vq, vb);
+			vb->state = VIDEOBUF_NEEDS_INIT;
+			return rc;
+		}
+	}
+	vb->state = VIDEOBUF_PREPARED;
+
+	return 0;
+}
+
+static void solo_buf_queue(struct videobuf_queue *vq,
+			   struct videobuf_buffer *vb)
+{
+	struct solo_filehandle *fh = vq->priv_data;
+	struct solo6010_dev *solo_dev = fh->solo_dev;
+
+	vb->state = VIDEOBUF_QUEUED;
+	list_add_tail(&vb->queue, &fh->vidq_active);
+	wake_up_interruptible(&solo_dev->disp_thread_wait);
+}
+
+static void solo_buf_release(struct videobuf_queue *vq,
+			     struct videobuf_buffer *vb)
+{
+	videobuf_dma_contig_free(vq, vb);
+	vb->state = VIDEOBUF_NEEDS_INIT;
+}
+
+static struct videobuf_queue_ops solo_video_qops = {
+	.buf_setup	= solo_buf_setup,
+	.buf_prepare	= solo_buf_prepare,
+	.buf_queue	= solo_buf_queue,
+	.buf_release	= solo_buf_release,
+};
+
+static unsigned int solo_v4l2_poll(struct file *file,
+				   struct poll_table_struct *wait)
+{
+	struct solo_filehandle *fh = file->private_data;
+
+        return videobuf_poll_stream(file, &fh->vidq, wait);
+}
+
+static int solo_v4l2_mmap(struct file *file, struct vm_area_struct *vma)
+{
+	struct solo_filehandle *fh = file->private_data;
+
+	return videobuf_mmap_mapper(&fh->vidq, vma);
+}
+
+static int solo_v4l2_open(struct file *file)
+{
+	struct solo6010_dev *solo_dev = video_drvdata(file);
+	struct solo_filehandle *fh;
+	int ret;
+
+	if ((fh = kzalloc(sizeof(*fh), GFP_KERNEL)) == NULL)
+		return -ENOMEM;
+
+	spin_lock_init(&fh->slock);
+	INIT_LIST_HEAD(&fh->vidq_active);
+	fh->solo_dev = solo_dev;
+	file->private_data = fh;
+
+	if ((ret = solo_start_thread(fh))) {
+		kfree(fh);
+		return ret;
+	}
+
+	videobuf_queue_dma_contig_init(&fh->vidq, &solo_video_qops,
+				    &solo_dev->pdev->dev, &fh->slock,
+				    V4L2_BUF_TYPE_VIDEO_CAPTURE,
+				    SOLO_DISP_PIX_FIELD,
+				    sizeof(struct videobuf_buffer), fh);
+
+	return 0;
+}
+
+static ssize_t solo_v4l2_read(struct file *file, char __user *data,
+			      size_t count, loff_t *ppos)
+{
+	struct solo_filehandle *fh = file->private_data;
+
+	return videobuf_read_stream(&fh->vidq, data, count, ppos, 0,
+				    file->f_flags & O_NONBLOCK);
+}
+
+static int solo_v4l2_release(struct file *file)
+{
+	struct solo_filehandle *fh = file->private_data;
+
+	videobuf_stop(&fh->vidq);
+	videobuf_mmap_free(&fh->vidq);
+	solo_stop_thread(fh);
+	kfree(fh);
+
+	return 0;
+}
+
+static int solo_querycap(struct file *file, void  *priv,
+			 struct v4l2_capability *cap)
+{
+	struct solo_filehandle  *fh  = priv;
+	struct solo6010_dev *solo_dev = fh->solo_dev;
+
+	strcpy(cap->driver, SOLO6010_NAME);
+	strcpy(cap->card, "Softlogic 6010");
+	snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI %s",
+		 pci_name(solo_dev->pdev));
+	cap->version = SOLO6010_VER_NUM;
+	cap->capabilities =     V4L2_CAP_VIDEO_CAPTURE |
+				V4L2_CAP_READWRITE |
+				V4L2_CAP_STREAMING;
+	return 0;
+}
+
+static int solo_enum_ext_input(struct solo6010_dev *solo_dev,
+			       struct v4l2_input *input)
+{
+	static const char *dispnames_1[] = { "4UP" };
+	static const char *dispnames_2[] = { "4UP-1", "4UP-2" };
+	static const char *dispnames_5[] = {
+		"4UP-1", "4UP-2", "4UP-3", "4UP-4", "16UP"
+	};
+	const char **dispnames;
+
+	if (input->index >= (solo_dev->nr_chans + solo_dev->nr_ext))
+		return -EINVAL;
+
+	if (solo_dev->nr_ext == 5)
+		dispnames = dispnames_5;
+	else if (solo_dev->nr_ext == 2)
+		dispnames = dispnames_2;
+	else
+		dispnames = dispnames_1;
+
+	snprintf(input->name, sizeof(input->name), "Multi %s",
+		 dispnames[input->index - solo_dev->nr_chans]);
+
+	return 0;
+}
+
+static int solo_enum_input(struct file *file, void *priv,
+			   struct v4l2_input *input)
+{
+	struct solo_filehandle *fh  = priv;
+	struct solo6010_dev *solo_dev = fh->solo_dev;
+
+	if (input->index >= solo_dev->nr_chans) {
+		int ret = solo_enum_ext_input(solo_dev, input);
+		if (ret < 0)
+			return ret;
+	} else {
+		snprintf(input->name, sizeof(input->name), "Camera %d",
+			 input->index + 1);
+
+		/* We can only check this for normal inputs */
+		if (!tw28_get_video_status(solo_dev, input->index))
+			input->status = V4L2_IN_ST_NO_SIGNAL;
+	}
+
+	input->type = V4L2_INPUT_TYPE_CAMERA;
+
+	if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC)
+		input->std = V4L2_STD_NTSC_M;
+	else
+		input->std = V4L2_STD_PAL_M;
+
+	return 0;
+}
+
+static int solo_set_input(struct file *file, void *priv, unsigned int index)
+{
+	struct solo_filehandle *fh = priv;
+
+	return solo_v4l2_set_ch(fh->solo_dev, index);
+}
+
+static int solo_get_input(struct file *file, void *priv, unsigned int *index)
+{
+	struct solo_filehandle *fh = priv;
+
+	*index = fh->solo_dev->cur_disp_ch;
+
+	return 0;
+}
+
+static int solo_enum_fmt_cap(struct file *file, void *priv,
+			     struct v4l2_fmtdesc *f)
+{
+	if (f->index)
+		return -EINVAL;
+
+	f->pixelformat = V4L2_PIX_FMT_UYVY;
+	strlcpy(f->description, "UYUV 4:2:2 Packed", sizeof(f->description));
+
+	return 0;
+}
+
+static int solo_try_fmt_cap(struct file *file, void *priv,
+			    struct v4l2_format *f)
+{
+	struct solo_filehandle *fh = priv;
+	struct solo6010_dev *solo_dev = fh->solo_dev;
+	struct v4l2_pix_format *pix = &f->fmt.pix;
+	int image_size = solo_image_size(solo_dev);
+
+	/* Check supported sizes */
+	if (pix->width != solo_dev->video_hsize)
+		pix->width = solo_dev->video_hsize;
+	if (pix->height != solo_vlines(solo_dev))
+		pix->height = solo_vlines(solo_dev);
+	if (pix->sizeimage != image_size)
+		pix->sizeimage = image_size;
+
+	/* Check formats */
+	if (pix->field == V4L2_FIELD_ANY)
+		pix->field = SOLO_DISP_PIX_FIELD;
+
+	if (pix->pixelformat != V4L2_PIX_FMT_UYVY ||
+	    pix->field       != SOLO_DISP_PIX_FIELD ||
+	    pix->colorspace  != V4L2_COLORSPACE_SMPTE170M)
+		return -EINVAL;
+
+	return 0;
+}
+
+static int solo_set_fmt_cap(struct file *file, void *priv,
+			    struct v4l2_format *f)
+{
+	struct solo_filehandle *fh = priv;
+
+	if (videobuf_queue_is_busy(&fh->vidq))
+		return -EBUSY;
+
+	/* For right now, if it doesn't match our running config,
+	 * then fail */
+	return solo_try_fmt_cap(file, priv, f);
+}
+
+static int solo_get_fmt_cap(struct file *file, void *priv,
+			    struct v4l2_format *f)
+{
+	struct solo_filehandle *fh = priv;
+	struct solo6010_dev *solo_dev = fh->solo_dev;
+	struct v4l2_pix_format *pix = &f->fmt.pix;
+
+	pix->width = solo_dev->video_hsize;
+	pix->height = solo_vlines(solo_dev);
+	pix->pixelformat = V4L2_PIX_FMT_UYVY;
+	pix->field = SOLO_DISP_PIX_FIELD;
+	pix->sizeimage = solo_image_size(solo_dev);
+	pix->colorspace = V4L2_COLORSPACE_SMPTE170M;
+	pix->bytesperline = solo_bytesperline(solo_dev);
+
+	return 0;
+}
+
+static int solo_reqbufs(struct file *file, void *priv, 
+			struct v4l2_requestbuffers *req)
+{
+	struct solo_filehandle *fh = priv;
+
+	return videobuf_reqbufs(&fh->vidq, req);
+}
+
+static int solo_querybuf(struct file *file, void *priv, struct v4l2_buffer *buf)
+{
+	struct solo_filehandle *fh = priv;
+
+	return videobuf_querybuf(&fh->vidq, buf);
+}
+
+static int solo_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
+{
+	struct solo_filehandle *fh = priv;
+
+	return videobuf_qbuf(&fh->vidq, buf);
+}
+
+static int solo_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
+{
+	struct solo_filehandle *fh = priv;
+
+	return videobuf_dqbuf(&fh->vidq, buf, file->f_flags & O_NONBLOCK);
+}
+
+static int solo_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
+{
+	struct solo_filehandle *fh = priv;
+
+	if (i != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+		return -EINVAL;
+
+	return videobuf_streamon(&fh->vidq);
+}
+
+static int solo_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
+{
+	struct solo_filehandle *fh = priv;
+
+	if (i != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+		return -EINVAL;
+
+	return videobuf_streamoff(&fh->vidq);
+}
+
+static int solo_s_std(struct file *file, void *priv, v4l2_std_id *i)
+{
+	return 0;
+}
+
+static const u32 solo_motion_ctrls[] = {
+	V4L2_CID_MOTION_TRACE,
+	0
+};
+
+static const u32 *solo_ctrl_classes[] = {
+	solo_motion_ctrls,
+	NULL
+};
+
+static int solo_disp_queryctrl(struct file *file, void *priv,
+			       struct v4l2_queryctrl *qc)
+{
+	qc->id = v4l2_ctrl_next(solo_ctrl_classes, qc->id);
+	if (!qc->id)
+		return -EINVAL;
+
+	switch (qc->id) {
+#ifdef PRIVATE_CIDS
+	case V4L2_CID_MOTION_TRACE:
+		qc->type = V4L2_CTRL_TYPE_BOOLEAN;
+		qc->minimum = 0;
+		qc->maximum = qc->step = 1;
+		qc->default_value = 0;
+		strlcpy(qc->name, "Motion Detection Trace", sizeof(qc->name));
+		return 0;
+#else
+	case V4L2_CID_MOTION_TRACE:
+		return v4l2_ctrl_query_fill(qc, 0, 1, 1, 0);
+#endif
+	}
+	return -EINVAL;
+}
+
+static int solo_disp_g_ctrl(struct file *file, void *priv,
+			    struct v4l2_control *ctrl)
+{
+	struct solo_filehandle *fh = priv;
+	struct solo6010_dev *solo_dev = fh->solo_dev;
+
+	switch (ctrl->id) {
+	case V4L2_CID_MOTION_TRACE:
+		ctrl->value = solo_reg_read(solo_dev, SOLO_VI_MOTION_BAR)
+			? 1 : 0;
+		return 0;
+	}
+	return -EINVAL;
+}
+
+static int solo_disp_s_ctrl(struct file *file, void *priv,
+			    struct v4l2_control *ctrl)
+{
+	struct solo_filehandle *fh = priv;
+	struct solo6010_dev *solo_dev = fh->solo_dev;
+
+	switch (ctrl->id) {
+	case V4L2_CID_MOTION_TRACE:
+		if (ctrl->value) {
+			solo_reg_write(solo_dev, SOLO_VI_MOTION_BORDER,
+					SOLO_VI_MOTION_Y_ADD |
+					SOLO_VI_MOTION_Y_VALUE(0x20) |
+					SOLO_VI_MOTION_CB_VALUE(0x10) |
+					SOLO_VI_MOTION_CR_VALUE(0x10));
+			solo_reg_write(solo_dev, SOLO_VI_MOTION_BAR,
+					SOLO_VI_MOTION_CR_ADD |
+					SOLO_VI_MOTION_Y_VALUE(0x10) |
+					SOLO_VI_MOTION_CB_VALUE(0x80) |
+					SOLO_VI_MOTION_CR_VALUE(0x10));
+		} else {
+			solo_reg_write(solo_dev, SOLO_VI_MOTION_BORDER, 0);
+			solo_reg_write(solo_dev, SOLO_VI_MOTION_BAR, 0);
+		}
+		return 0;
+	}
+	return -EINVAL;
+}
+
+static const struct v4l2_file_operations solo_v4l2_fops = {
+	.owner			= THIS_MODULE,
+	.open			= solo_v4l2_open,
+	.release		= solo_v4l2_release,
+	.read			= solo_v4l2_read,
+	.poll			= solo_v4l2_poll,
+	.mmap			= solo_v4l2_mmap,
+	.ioctl			= video_ioctl2,
+};
+
+static const struct v4l2_ioctl_ops solo_v4l2_ioctl_ops = {
+	.vidioc_querycap		= solo_querycap,
+	.vidioc_s_std			= solo_s_std,
+	/* Input callbacks */
+	.vidioc_enum_input		= solo_enum_input,
+	.vidioc_s_input			= solo_set_input,
+	.vidioc_g_input			= solo_get_input,
+	/* Video capture format callbacks */
+	.vidioc_enum_fmt_vid_cap	= solo_enum_fmt_cap,
+	.vidioc_try_fmt_vid_cap		= solo_try_fmt_cap,
+	.vidioc_s_fmt_vid_cap		= solo_set_fmt_cap,
+	.vidioc_g_fmt_vid_cap		= solo_get_fmt_cap,
+	/* Streaming I/O */
+	.vidioc_reqbufs			= solo_reqbufs,
+	.vidioc_querybuf		= solo_querybuf,
+	.vidioc_qbuf			= solo_qbuf,
+	.vidioc_dqbuf			= solo_dqbuf,
+	.vidioc_streamon		= solo_streamon,
+        .vidioc_streamoff		= solo_streamoff,
+	/* Controls */
+	.vidioc_queryctrl		= solo_disp_queryctrl,
+        .vidioc_g_ctrl			= solo_disp_g_ctrl,
+        .vidioc_s_ctrl			= solo_disp_s_ctrl,
+};
+
+static struct video_device solo_v4l2_template = {
+	.name			= SOLO6010_NAME,
+	.fops			= &solo_v4l2_fops,
+	.ioctl_ops		= &solo_v4l2_ioctl_ops,
+	.minor			= -1,
+	.release		= video_device_release,
+
+	.tvnorms		= V4L2_STD_NTSC_M | V4L2_STD_PAL_M,
+	.current_norm		= V4L2_STD_NTSC_M,
+};
+
+int solo_v4l2_init(struct solo6010_dev *solo_dev)
+{
+	int ret;
+	int i;
+
+	init_waitqueue_head(&solo_dev->disp_thread_wait);
+
+	solo_dev->vfd = video_device_alloc();
+	if (!solo_dev->vfd)
+		return -ENOMEM;
+
+	*solo_dev->vfd = solo_v4l2_template;
+	solo_dev->vfd->parent = &solo_dev->pdev->dev;
+
+	ret = video_register_device(solo_dev->vfd, VFL_TYPE_GRABBER, video_nr);
+	if (ret < 0) {
+		video_device_release(solo_dev->vfd);
+		solo_dev->vfd = NULL;
+		return ret;
+	}
+
+	video_set_drvdata(solo_dev->vfd, solo_dev);
+
+	snprintf(solo_dev->vfd->name, sizeof(solo_dev->vfd->name), "%s (%i)",
+		 SOLO6010_NAME, solo_dev->vfd->num);
+
+	if (video_nr >= 0)
+		video_nr++;
+
+	dev_info(&solo_dev->pdev->dev, "Display as /dev/video%d with "
+		 "%d inputs (%d extended)\n", solo_dev->vfd->num,
+		 solo_dev->nr_chans, solo_dev->nr_ext);
+
+	/* Cycle all the channels and clear */
+	for (i = 0; i < solo_dev->nr_chans; i++) {
+		solo_v4l2_set_ch(solo_dev, i);
+		while (erase_off(solo_dev))
+			;// Do nothing
+	}
+
+	/* Set the default display channel */
+	solo_v4l2_set_ch(solo_dev, 0);
+	while (erase_off(solo_dev))
+		;// Do nothing
+
+	solo6010_irq_on(solo_dev, SOLO_IRQ_VIDEO_IN);
+
+	return 0;
+}
+
+void solo_v4l2_exit(struct solo6010_dev *solo_dev)
+{
+	solo6010_irq_off(solo_dev, SOLO_IRQ_VIDEO_IN);
+	if (solo_dev->vfd) {
+		video_unregister_device(solo_dev->vfd);
+		solo_dev->vfd = NULL;
+	}
+}