+++ /dev/null
-/*
- * Virtual Video driver - This code emulates a real video device with v4l2 api
- *
- * Copyright (C) 2011 S-core
- * Copyright (c) 2006 by:
- * Mauro Carvalho Chehab <mchehab--a.t--infradead.org>
- * Ted Walther <ted--a.t--enumera.com>
- * John Sokol <sokol--a.t--videotechnology.com>
- * http://v4l.videotechnology.com/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the BSD Licence, GNU General Public License
- * as published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version
- */
-//#include <linux/module.h>
-//#include <linux/delay.h>
-//#include <linux/errno.h>
-//#include <linux/fs.h>
-//#include <linux/kernel.h>
-//#include <linux/slab.h>
-//#include <linux/mm.h>
-//#include <linux/ioport.h>
-//#include <linux/init.h>
-//#include <linux/sched.h>
-//#include <linux/pci.h>
-//#include <linux/random.h>
-#include <linux/version.h>
-//#include <linux/mutex.h>
-#include <linux/videodev2.h>
-#include <linux/dma-mapping.h>
-#include <linux/interrupt.h>
-//#include <linux/kthread.h>
-//#include <linux/highmem.h>
-//#include <linux/freezer.h>
-#include <media/videobuf-vmalloc.h>
-#include <media/v4l2-device.h>
-#include <media/v4l2-ioctl.h>
-//#include "font.h"
-
-#define SVVD_MODULE_NAME "svvd"
-
-#define SVVD_MAJOR_VERSION 0
-#define SVVD_MINOR_VERSION 6
-#define SVVD_RELEASE 0
-#define SVVD_VERSION \
- KERNEL_VERSION(SVVD_MAJOR_VERSION, SVVD_MINOR_VERSION, SVVD_RELEASE)
-
-MODULE_DESCRIPTION("S-core Virtual Video Overlay Board");
-MODULE_AUTHOR("Yuyeon Oh <yuyeon.oh@samsung.com>");
-MODULE_LICENSE("Dual BSD/GPL");
-
-static unsigned video_nr = -1;
-module_param(video_nr, uint, 0644);
-MODULE_PARM_DESC(video_nr, "videoX start number, -1 is autodetect");
-
-static unsigned n_devs = 1;
-module_param(n_devs, uint, 0644);
-MODULE_PARM_DESC(n_devs, "number of video devices to create");
-
-static unsigned debug = 1; // debug is temporary 1
-module_param(debug, uint, 0644);
-MODULE_PARM_DESC(debug, "activates debug info");
-
-static unsigned int vid_limit = 16;
-module_param(vid_limit, uint, 0644);
-MODULE_PARM_DESC(vid_limit, "memory limit in megabytes");
-
-
-#define dprintk(dev, level, fmt, arg...) \
- v4l2_dbg(level, debug, &dev->v4l2_dev, fmt, ## arg)
-
-/* ------------------------------------------------------------------
- Basic structures
- ------------------------------------------------------------------*/
-
-struct svvd_fmt {
- char *name;
- u32 fourcc; /* v4l2 format id */
- int depth;
-};
-
-static struct svvd_fmt formats[] = {
- {
- .name = "RGB888 - 24bit",
- .fourcc = V4L2_PIX_FMT_RGB24,
- .depth = 24,
- },
-};
-
-struct sg_to_addr {
- int pos;
- struct scatterlist *sg;
-};
-
-/* buffer for one video frame */
-struct svvd_buffer {
- /* common v4l buffer stuff -- must be first */
- struct videobuf_buffer vb;
-
- struct svvd_fmt *fmt;
-};
-
-struct svvd_dmaqueue {
- struct list_head active;
-
- /* Counters to control fps rate */
- int frame;
- int ini_jiffies;
-};
-
-static LIST_HEAD(svvd_devlist);
-
-struct svvd_dev {
- struct list_head svvd_devlist;
- struct v4l2_device v4l2_dev;
-
- spinlock_t slock;
- struct mutex mutex;
-
- int users;
-
- /* various device info */
- struct video_device *vfd;
-
- struct svvd_dmaqueue vidq;
-
- /* Several counters */
- int h, m, s, ms;
- unsigned long jiffies;
- char timestr[13];
-
- int mv_count; /* Controls bars movement */
-
- /* Input Number */
- int input;
-
- // TODO: shared with qemu ?
- struct v4l2_rect crop_overlay;
-};
-
-struct svvd_fh {
- struct svvd_dev *dev;
-
- /* video capture */
- struct svvd_fmt *fmt;
- unsigned int width, height;
- struct videobuf_queue vb_vidq;
-
- enum v4l2_buf_type type;
- unsigned char bars[8][3];
- int input; /* Input Number on bars */
-};
-
-/* ------------------------------------------------------------------
- DMA and thread functions
- ------------------------------------------------------------------*/
-
-/* Bars and Colors should match positions */
-
-enum colors {
- WHITE,
- AMBAR,
- CYAN,
- GREEN,
- MAGENTA,
- RED,
- BLUE,
- BLACK,
-};
-
- /* R G B */
-#define COLOR_WHITE {204, 204, 204}
-#define COLOR_AMBAR {208, 208, 0}
-#define COLOR_CIAN { 0, 206, 206}
-#define COLOR_GREEN { 0, 239, 0}
-#define COLOR_MAGENTA {239, 0, 239}
-#define COLOR_RED {205, 0, 0}
-#define COLOR_BLUE { 0, 0, 255}
-#define COLOR_BLACK { 0, 0, 0}
-
-struct bar_std {
- u8 bar[8][3];
-};
-
-/* Maximum number of bars are 10 - otherwise, the input print code
- should be modified */
-static struct bar_std bars[] = {
- { /* Standard ITU-R color bar sequence */
- {
- COLOR_WHITE,
- COLOR_AMBAR,
- COLOR_CIAN,
- COLOR_GREEN,
- COLOR_MAGENTA,
- COLOR_RED,
- COLOR_BLUE,
- COLOR_BLACK,
- }
- }, {
- {
- COLOR_WHITE,
- COLOR_AMBAR,
- COLOR_BLACK,
- COLOR_WHITE,
- COLOR_AMBAR,
- COLOR_BLACK,
- COLOR_WHITE,
- COLOR_AMBAR,
- }
- }, {
- {
- COLOR_WHITE,
- COLOR_CIAN,
- COLOR_BLACK,
- COLOR_WHITE,
- COLOR_CIAN,
- COLOR_BLACK,
- COLOR_WHITE,
- COLOR_CIAN,
- }
- }, {
- {
- COLOR_WHITE,
- COLOR_GREEN,
- COLOR_BLACK,
- COLOR_WHITE,
- COLOR_GREEN,
- COLOR_BLACK,
- COLOR_WHITE,
- COLOR_GREEN,
- }
- },
-};
-
-#define NUM_INPUTS ARRAY_SIZE(bars)
-
-#define TO_Y(r, g, b) \
- (((16829 * r + 33039 * g + 6416 * b + 32768) >> 16) + 16)
-/* RGB to V(Cr) Color transform */
-#define TO_V(r, g, b) \
- (((28784 * r - 24103 * g - 4681 * b + 32768) >> 16) + 128)
-/* RGB to U(Cb) Color transform */
-#define TO_U(r, g, b) \
- (((-9714 * r - 19070 * g + 28784 * b + 32768) >> 16) + 128)
-
-/* precalculate color bar values to speed up rendering */
-static void precalculate_bars(struct svvd_fh *fh)
-{
- struct svvd_dev *dev = fh->dev;
- unsigned char r, g, b;
- int k, is_yuv;
-
- fh->input = dev->input;
-
- for (k = 0; k < 8; k++) {
- r = bars[fh->input].bar[k][0];
- g = bars[fh->input].bar[k][1];
- b = bars[fh->input].bar[k][2];
- is_yuv = 0;
-
- switch (fh->fmt->fourcc) {
- case V4L2_PIX_FMT_YUYV:
- case V4L2_PIX_FMT_UYVY:
- is_yuv = 1;
- break;
- case V4L2_PIX_FMT_RGB565:
- case V4L2_PIX_FMT_RGB565X:
- r >>= 3;
- g >>= 2;
- b >>= 3;
- break;
- case V4L2_PIX_FMT_RGB555:
- case V4L2_PIX_FMT_RGB555X:
- r >>= 3;
- g >>= 3;
- b >>= 3;
- break;
- }
-
- if (is_yuv) {
- fh->bars[k][0] = TO_Y(r, g, b); /* Luma */
- fh->bars[k][1] = TO_U(r, g, b); /* Cb */
- fh->bars[k][2] = TO_V(r, g, b); /* Cr */
- } else {
- fh->bars[k][0] = r;
- fh->bars[k][1] = g;
- fh->bars[k][2] = b;
- }
- }
-
-}
-
-/* ------------------------------------------------------------------
- Videobuf operations
- ------------------------------------------------------------------*/
-static int
-buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size)
-{
- struct svvd_fh *fh = vq->priv_data;
- struct svvd_dev *dev = fh->dev;
-
- *size = fh->width * fh->height * fh->fmt->depth / 8; // RGB888
-
- if (0 == *count)
- *count = 32;
-
- while (*size * *count > vid_limit * 1024 * 1024)
- (*count)--;
-
- dprintk(dev, 1, "%s, count=%d, size=%d\n", __func__,
- *count, *size);
-
- return 0;
-}
-
-static void free_buffer(struct videobuf_queue *vq, struct svvd_buffer *buf)
-{
- struct svvd_fh *fh = vq->priv_data;
- struct svvd_dev *dev = fh->dev;
-
- dprintk(dev, 1, "%s, state: %i\n", __func__, buf->vb.state);
-
- if (in_interrupt())
- BUG();
-
- videobuf_vmalloc_free(&buf->vb);
- dprintk(dev, 1, "free_buffer: freed\n");
- buf->vb.state = VIDEOBUF_NEEDS_INIT;
-}
-
-#define norm_maxw() 1024
-#define norm_maxh() 1024
-static int
-buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb,
- enum v4l2_field field)
-{
- struct svvd_fh *fh = vq->priv_data;
- struct svvd_dev *dev = fh->dev;
- struct svvd_buffer *buf = container_of(vb, struct svvd_buffer, vb);
- int rc;
-
- dprintk(dev, 1, "%s, field=%d\n", __func__, field);
-
- BUG_ON(NULL == fh->fmt);
-
- if (fh->width < 48 || fh->width > norm_maxw() ||
- fh->height < 32 || fh->height > norm_maxh())
- return -EINVAL;
-
- buf->vb.size = fh->width * fh->height * fh->fmt->depth / 8; // RGB888 (24bit)
- if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
- return -EINVAL;
-
- /* These properties only change when queue is idle, see s_fmt */
- buf->fmt = fh->fmt;
- buf->vb.width = fh->width;
- buf->vb.height = fh->height;
- buf->vb.field = field;
-
- precalculate_bars(fh);
-
- if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
- rc = videobuf_iolock(vq, &buf->vb, NULL);
- if (rc < 0)
- goto fail;
- }
-
- buf->vb.state = VIDEOBUF_PREPARED;
-
- return 0;
-
-fail:
- free_buffer(vq, buf);
- return rc;
-}
-
-static void
-buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
-{
- struct svvd_buffer *buf = container_of(vb, struct svvd_buffer, vb);
- struct svvd_fh *fh = vq->priv_data;
- struct svvd_dev *dev = fh->dev;
- struct svvd_dmaqueue *vidq = &dev->vidq;
-
- dprintk(dev, 1, "%s\n", __func__);
-
- buf->vb.state = VIDEOBUF_QUEUED;
- list_add_tail(&buf->vb.queue, &vidq->active);
-}
-
-static void buffer_release(struct videobuf_queue *vq,
- struct videobuf_buffer *vb)
-{
- struct svvd_buffer *buf = container_of(vb, struct svvd_buffer, vb);
- struct svvd_fh *fh = vq->priv_data;
- struct svvd_dev *dev = (struct svvd_dev *)fh->dev;
-
- dprintk(dev, 1, "%s\n", __func__);
-
- free_buffer(vq, buf);
-}
-
-static struct videobuf_queue_ops svvd_video_qops = {
- .buf_setup = buffer_setup,
- .buf_prepare = buffer_prepare,
- .buf_queue = buffer_queue,
- .buf_release = buffer_release,
-};
-
-/* ------------------------------------------------------------------
- IOCTL vidioc handling
- ------------------------------------------------------------------*/
-static int svvd_querycap(struct file *file, void *priv,
- struct v4l2_capability *cap)
-{
- struct svvd_fh *fh = priv;
- struct svvd_dev *dev = fh->dev;
-
- strcpy(cap->driver, "svvd");
- strcpy(cap->card, "svvd");
- strlcpy(cap->bus_info, dev->v4l2_dev.name, sizeof(cap->bus_info));
- cap->version = SVVD_VERSION;
- cap->capabilities = V4L2_CAP_VIDEO_OVERLAY;
- return 0;
-}
-
-static int svvd_g_fmt_vid_overlay(struct file *file, void *priv,
- struct v4l2_format *f)
-{
- // TODO:
- return 0;
-}
-
-static int svvd_s_fmt_vid_overlay(struct file *file, void *priv,
- struct v4l2_format *f)
-{
- struct svvd_fh *fh = priv;
- struct svvd_dev *dev = fh->dev;
-
- if (f->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
- {
- printk("Crop type is (%d)\n, We support video overlay", f->type);
- return -EINVAL;
- }
- if (f->fmt.win.w.height < 0)
- return -EINVAL;
- if (f->fmt.win.w.width < 0)
- return -EINVAL;
-
- mutex_lock(&dev->mutex);
- dev->crop_overlay.top = f->fmt.win.w.top;
- dev->crop_overlay.left = f->fmt.win.w.left;
- dev->crop_overlay.height = f->fmt.win.w.height;
- dev->crop_overlay.width = f->fmt.win.w.width;
- mutex_unlock(&dev->mutex);
-
- return 0;
-}
-
-static int svvd_reqbufs(struct file *file, void *priv,
- struct v4l2_requestbuffers *p)
-{
- struct svvd_fh *fh = priv;
-
- return (videobuf_reqbufs(&fh->vb_vidq, p));
-}
-
-static int svvd_querybuf(struct file *file, void *priv, struct v4l2_buffer *p)
-{
- struct svvd_fh *fh = priv;
-
- return (videobuf_querybuf(&fh->vb_vidq, p));
-}
-
-static int svvd_qbuf(struct file *file, void *priv, struct v4l2_buffer *p)
-{
- struct svvd_fh *fh = priv;
-
- return (videobuf_qbuf(&fh->vb_vidq, p));
-}
-
-static int svvd_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
-{
- struct svvd_fh *fh = priv;
-
- return (videobuf_dqbuf(&fh->vb_vidq, p,
- file->f_flags & O_NONBLOCK));
-}
-
-#ifdef CONFIG_VIDEO_V4L1_COMPAT
-static int svvdgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf)
-{
- struct svvd_fh *fh = priv;
-
- return videobuf_cgmbuf(&fh->vb_vidq, mbuf, 8);
-}
-#endif
-
-static int svvd_s_std(struct file *file, void *priv, v4l2_std_id *i)
-{
- return 0;
-}
-
-static int svvd_cropcap(struct file *file, void *priv,
- struct v4l2_cropcap *cap)
-{
- /* nothing to do
- cap->bounds = dev->crop_bounds;
- cap->defrect = dev->crop_defrect;
- */
- cap->pixelaspect.numerator = 1;
- cap->pixelaspect.denominator = 1;
-
- return 0;
-}
-
-static int svvd_s_crop(struct file *file, void *priv,
- struct v4l2_crop *crop)
-{
- struct svvd_fh *fh = priv;
- struct svvd_dev *dev = fh->dev;
-
- if (crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
- {
- printk("Crop type is (%d)\n, We support video overlay", crop->type);
- return -EINVAL;
- }
- if (crop->c.height < 0)
- return -EINVAL;
- if (crop->c.width < 0)
- return -EINVAL;
-
- if (crop->c.width != fh->width)
- return -EINVAL;
- if (crop->c.height != fh->height)
- return -EINVAL;
-
- mutex_lock(&dev->mutex);
- dev->crop_overlay.top = crop->c.top;
- dev->crop_overlay.left = crop->c.left;
- dev->crop_overlay.height = crop->c.height;
- dev->crop_overlay.width = crop->c.width;
- mutex_unlock(&dev->mutex);
-
- return 0;
-}
-
-static int svvd_overlay (struct file *file, void *fh,
- unsigned int i)
-{
- // TODO: qemu job
- return 0;
-}
-
-/* ------------------------------------------------------------------
- File operations for the device
- ------------------------------------------------------------------*/
-
-static int svvd_open(struct file *file)
-{
- struct svvd_dev *dev = video_drvdata(file);
- struct svvd_fh *fh = NULL;
- int retval = 0;
-
- mutex_lock(&dev->mutex);
- dev->users++;
-
- if (dev->users > 1) {
- dev->users--;
- mutex_unlock(&dev->mutex);
- return -EBUSY;
- }
-
- dprintk(dev, 1, "open /dev/video%d type=%s users=%d\n", dev->vfd->num,
- v4l2_type_names[V4L2_BUF_TYPE_VIDEO_OVERLAY], dev->users);
-
- /* allocate + initialize per filehandle data */
- fh = kzalloc(sizeof(*fh), GFP_KERNEL);
- if (NULL == fh) {
- dev->users--;
- retval = -ENOMEM;
- }
- mutex_unlock(&dev->mutex);
-
- if (retval)
- return retval;
-
- file->private_data = fh;
- fh->dev = dev;
-
- fh->type = V4L2_BUF_TYPE_VIDEO_OVERLAY;
- fh->fmt = &formats[0];
- // TODO: variable size support? getting from fb?
- fh->width = 480;
- fh->height = 800;
-
- /* Resets frame counters */
- dev->h = 0;
- dev->m = 0;
- dev->s = 0;
- dev->ms = 0;
- dev->mv_count = 0;
- dev->jiffies = jiffies;
- sprintf(dev->timestr, "%02d:%02d:%02d:%03d",
- dev->h, dev->m, dev->s, dev->ms);
-
- videobuf_queue_vmalloc_init(&fh->vb_vidq, &svvd_video_qops,
- NULL, &dev->slock, fh->type, V4L2_FIELD_INTERLACED,
- sizeof(struct svvd_buffer), fh);
-
- return 0;
-}
-
-static int svvd_close(struct file *file)
-{
- struct svvd_fh *fh = file->private_data;
- struct svvd_dev *dev = fh->dev;
-
- int minor = video_devdata(file)->minor;
-
- videobuf_stop(&fh->vb_vidq);
- videobuf_mmap_free(&fh->vb_vidq);
-
- kfree(fh);
-
- mutex_lock(&dev->mutex);
- dev->users--;
- mutex_unlock(&dev->mutex);
-
- dprintk(dev, 1, "close called (minor=%d, users=%d)\n",
- minor, dev->users);
-
- return 0;
-}
-
-static int svvd_mmap(struct file *file, struct vm_area_struct *vma)
-{
- struct svvd_fh *fh = file->private_data;
- struct svvd_dev *dev = fh->dev;
- int ret;
-
- dprintk(dev, 1, "mmap called, vma=0x%08lx\n", (unsigned long)vma);
-
- ret = videobuf_mmap_mapper(&fh->vb_vidq, vma);
-
- dprintk(dev, 1, "vma start=0x%08lx, size=%ld, ret=%d\n",
- (unsigned long)vma->vm_start,
- (unsigned long)vma->vm_end-(unsigned long)vma->vm_start,
- ret);
-
- return ret;
-}
-
-static const struct v4l2_file_operations svvd_fops = {
- .owner = THIS_MODULE,
- .open = svvd_open,
- .release = svvd_close,
-// .read = svvd_read,
-// .poll = svvd_poll,
- .ioctl = video_ioctl2, /* V4L2 ioctl handler */
- .mmap = svvd_mmap,
-};
-
-static const struct v4l2_ioctl_ops svvd_ioctl_ops = {
- .vidioc_querycap = svvd_querycap,
- .vidioc_g_fmt_vid_overlay = svvd_g_fmt_vid_overlay,
- .vidioc_s_fmt_vid_overlay = svvd_s_fmt_vid_overlay,
- .vidioc_reqbufs = svvd_reqbufs,
- .vidioc_querybuf = svvd_querybuf,
-// .vidioc_qbuf = svvd_qbuf,
-// .vidioc_dqbuf = svvd_dqbuf,
-// .vidioc_s_std = svvd_s_std,
- .vidioc_cropcap = svvd_cropcap,
- .vidioc_s_crop = svvd_s_crop,
- .vidioc_overlay = svvd_overlay,
-#ifdef CONFIG_VIDEO_V4L1_COMPAT
- .vidiocgmbuf = svvdgmbuf,
-#endif
-};
-
-static struct video_device svvd_template = {
- .name = "svvd",
- .fops = &svvd_fops,
- .ioctl_ops = &svvd_ioctl_ops,
- .minor = -1,
- .release = video_device_release,
-
- .tvnorms = V4L2_STD_525_60,
- .current_norm = V4L2_STD_NTSC_M,
-};
-
-/* -----------------------------------------------------------------
- Initialization and module stuff
- ------------------------------------------------------------------*/
-
-static int svvd_release(void)
-{
- struct svvd_dev *dev;
- struct list_head *list;
-
- while (!list_empty(&svvd_devlist)) {
- list = svvd_devlist.next;
- list_del(list);
- dev = list_entry(list, struct svvd_dev, svvd_devlist);
-
- v4l2_info(&dev->v4l2_dev, "unregistering /dev/video%d\n",
- dev->vfd->num);
- video_unregister_device(dev->vfd);
- v4l2_device_unregister(&dev->v4l2_dev);
- kfree(dev);
- }
-
- return 0;
-}
-
-static int __init svvd_create_instance(int inst)
-{
- struct svvd_dev *dev;
- struct video_device *vfd;
- int ret;
-
- dev = kzalloc(sizeof(*dev), GFP_KERNEL);
- if (!dev)
- return -ENOMEM;
-
- snprintf(dev->v4l2_dev.name, sizeof(dev->v4l2_dev.name),
- "%s-%03d", SVVD_MODULE_NAME, inst);
- ret = v4l2_device_register(NULL, &dev->v4l2_dev);
- if (ret)
- goto free_dev;
-
- /* initialize locks */
- spin_lock_init(&dev->slock);
- mutex_init(&dev->mutex);
-
- ret = -ENOMEM;
- vfd = video_device_alloc();
- if (!vfd)
- goto unreg_dev;
-
- *vfd = svvd_template;
- vfd->debug = debug;
-
- ret = video_register_device(vfd, VFL_TYPE_GRABBER, video_nr);
- if (ret < 0)
- goto rel_vdev;
-
- video_set_drvdata(vfd, dev);
-
- /* Now that everything is fine, let's add it to device list */
- list_add_tail(&dev->svvd_devlist, &svvd_devlist);
-
- snprintf(vfd->name, sizeof(vfd->name), "%s (%i)",
- svvd_template.name, vfd->num);
-
- if (video_nr >= 0)
- video_nr++;
-
- dev->vfd = vfd;
- v4l2_info(&dev->v4l2_dev, "V4L2 device registered as /dev/video%d\n",
- vfd->num);
- return 0;
-
-rel_vdev:
- video_device_release(vfd);
-unreg_dev:
- v4l2_device_unregister(&dev->v4l2_dev);
-free_dev:
- kfree(dev);
- return ret;
-}
-
-/* This routine allocates from 1 to n_devs virtual drivers.
-
- The real maximum number of virtual drivers will depend on how many drivers
- will succeed. This is limited to the maximum number of devices that
- videodev supports, which is equal to VIDEO_NUM_DEVICES.
- */
-static int __init svvd_init(void)
-{
- int ret = 0, i;
-
- if (n_devs <= 0)
- n_devs = 1;
-
- for (i = 0; i < n_devs; i++) {
- ret = svvd_create_instance(i);
- if (ret) {
- /* If some instantiations succeeded, keep driver */
- if (i)
- ret = 0;
- break;
- }
- }
-
- if (ret < 0) {
- printk(KERN_INFO "Error %d while loading svvd driver\n", ret);
- return ret;
- }
-
- printk(KERN_INFO "S-core Virtual Video "
- "Overlay Board ver %u.%u.%u successfully loaded.\n",
- (SVVD_VERSION >> 16) & 0xFF, (SVVD_VERSION >> 8) & 0xFF,
- SVVD_VERSION & 0xFF);
-
- /* n_devs will reflect the actual number of allocated devices */
- n_devs = i;
-
- return ret;
-}
-
-static void __exit svvd_exit(void)
-{
- svvd_release();
-}
-
-module_init(svvd_init);
-module_exit(svvd_exit);