| #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
| |
| #include <media/drv-intf/saa7146_vv.h> |
| #include <linux/module.h> |
| |
| /****************************************************************************/ |
| /* resource management functions, shamelessly stolen from saa7134 driver */ |
| |
| int saa7146_res_get(struct saa7146_fh *fh, unsigned int bit) |
| { |
| struct saa7146_dev *dev = fh->dev; |
| struct saa7146_vv *vv = dev->vv_data; |
| |
| if (fh->resources & bit) { |
| DEB_D("already allocated! want: 0x%02x, cur:0x%02x\n", |
| bit, vv->resources); |
| /* have it already allocated */ |
| return 1; |
| } |
| |
| /* is it free? */ |
| if (vv->resources & bit) { |
| DEB_D("locked! vv->resources:0x%02x, we want:0x%02x\n", |
| vv->resources, bit); |
| /* no, someone else uses it */ |
| return 0; |
| } |
| /* it's free, grab it */ |
| fh->resources |= bit; |
| vv->resources |= bit; |
| DEB_D("res: get 0x%02x, cur:0x%02x\n", bit, vv->resources); |
| return 1; |
| } |
| |
| void saa7146_res_free(struct saa7146_fh *fh, unsigned int bits) |
| { |
| struct saa7146_dev *dev = fh->dev; |
| struct saa7146_vv *vv = dev->vv_data; |
| |
| BUG_ON((fh->resources & bits) != bits); |
| |
| fh->resources &= ~bits; |
| vv->resources &= ~bits; |
| DEB_D("res: put 0x%02x, cur:0x%02x\n", bits, vv->resources); |
| } |
| |
| |
| /********************************************************************************/ |
| /* common dma functions */ |
| |
| void saa7146_dma_free(struct saa7146_dev *dev,struct videobuf_queue *q, |
| struct saa7146_buf *buf) |
| { |
| struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb); |
| DEB_EE("dev:%p, buf:%p\n", dev, buf); |
| |
| BUG_ON(in_interrupt()); |
| |
| videobuf_waiton(q, &buf->vb, 0, 0); |
| videobuf_dma_unmap(q->dev, dma); |
| videobuf_dma_free(dma); |
| buf->vb.state = VIDEOBUF_NEEDS_INIT; |
| } |
| |
| |
| /********************************************************************************/ |
| /* common buffer functions */ |
| |
| int saa7146_buffer_queue(struct saa7146_dev *dev, |
| struct saa7146_dmaqueue *q, |
| struct saa7146_buf *buf) |
| { |
| assert_spin_locked(&dev->slock); |
| DEB_EE("dev:%p, dmaq:%p, buf:%p\n", dev, q, buf); |
| |
| BUG_ON(!q); |
| |
| if (NULL == q->curr) { |
| q->curr = buf; |
| DEB_D("immediately activating buffer %p\n", buf); |
| buf->activate(dev,buf,NULL); |
| } else { |
| list_add_tail(&buf->vb.queue,&q->queue); |
| buf->vb.state = VIDEOBUF_QUEUED; |
| DEB_D("adding buffer %p to queue. (active buffer present)\n", |
| buf); |
| } |
| return 0; |
| } |
| |
| void saa7146_buffer_finish(struct saa7146_dev *dev, |
| struct saa7146_dmaqueue *q, |
| int state) |
| { |
| assert_spin_locked(&dev->slock); |
| DEB_EE("dev:%p, dmaq:%p, state:%d\n", dev, q, state); |
| DEB_EE("q->curr:%p\n", q->curr); |
| |
| BUG_ON(!q->curr); |
| |
| /* finish current buffer */ |
| if (NULL == q->curr) { |
| DEB_D("aiii. no current buffer\n"); |
| return; |
| } |
| |
| q->curr->vb.state = state; |
| q->curr->vb.ts = ktime_get_ns(); |
| wake_up(&q->curr->vb.done); |
| |
| q->curr = NULL; |
| } |
| |
| void saa7146_buffer_next(struct saa7146_dev *dev, |
| struct saa7146_dmaqueue *q, int vbi) |
| { |
| struct saa7146_buf *buf,*next = NULL; |
| |
| BUG_ON(!q); |
| |
| DEB_INT("dev:%p, dmaq:%p, vbi:%d\n", dev, q, vbi); |
| |
| assert_spin_locked(&dev->slock); |
| if (!list_empty(&q->queue)) { |
| /* activate next one from queue */ |
| buf = list_entry(q->queue.next,struct saa7146_buf,vb.queue); |
| list_del(&buf->vb.queue); |
| if (!list_empty(&q->queue)) |
| next = list_entry(q->queue.next,struct saa7146_buf, vb.queue); |
| q->curr = buf; |
| DEB_INT("next buffer: buf:%p, prev:%p, next:%p\n", |
| buf, q->queue.prev, q->queue.next); |
| buf->activate(dev,buf,next); |
| } else { |
| DEB_INT("no next buffer. stopping.\n"); |
| if( 0 != vbi ) { |
| /* turn off video-dma3 */ |
| saa7146_write(dev,MC1, MASK_20); |
| } else { |
| /* nothing to do -- just prevent next video-dma1 transfer |
| by lowering the protection address */ |
| |
| // fixme: fix this for vflip != 0 |
| |
| saa7146_write(dev, PROT_ADDR1, 0); |
| saa7146_write(dev, MC2, (MASK_02|MASK_18)); |
| |
| /* write the address of the rps-program */ |
| saa7146_write(dev, RPS_ADDR0, dev->d_rps0.dma_handle); |
| /* turn on rps */ |
| saa7146_write(dev, MC1, (MASK_12 | MASK_28)); |
| |
| /* |
| printk("vdma%d.base_even: 0x%08x\n", 1,saa7146_read(dev,BASE_EVEN1)); |
| printk("vdma%d.base_odd: 0x%08x\n", 1,saa7146_read(dev,BASE_ODD1)); |
| printk("vdma%d.prot_addr: 0x%08x\n", 1,saa7146_read(dev,PROT_ADDR1)); |
| printk("vdma%d.base_page: 0x%08x\n", 1,saa7146_read(dev,BASE_PAGE1)); |
| printk("vdma%d.pitch: 0x%08x\n", 1,saa7146_read(dev,PITCH1)); |
| printk("vdma%d.num_line_byte: 0x%08x\n", 1,saa7146_read(dev,NUM_LINE_BYTE1)); |
| */ |
| } |
| del_timer(&q->timeout); |
| } |
| } |
| |
| void saa7146_buffer_timeout(struct timer_list *t) |
| { |
| struct saa7146_dmaqueue *q = from_timer(q, t, timeout); |
| struct saa7146_dev *dev = q->dev; |
| unsigned long flags; |
| |
| DEB_EE("dev:%p, dmaq:%p\n", dev, q); |
| |
| spin_lock_irqsave(&dev->slock,flags); |
| if (q->curr) { |
| DEB_D("timeout on %p\n", q->curr); |
| saa7146_buffer_finish(dev,q,VIDEOBUF_ERROR); |
| } |
| |
| /* we don't restart the transfer here like other drivers do. when |
| a streaming capture is disabled, the timeout function will be |
| called for the current buffer. if we activate the next buffer now, |
| we mess up our capture logic. if a timeout occurs on another buffer, |
| then something is seriously broken before, so no need to buffer the |
| next capture IMHO... */ |
| /* |
| saa7146_buffer_next(dev,q); |
| */ |
| spin_unlock_irqrestore(&dev->slock,flags); |
| } |
| |
| /********************************************************************************/ |
| /* file operations */ |
| |
| static int fops_open(struct file *file) |
| { |
| struct video_device *vdev = video_devdata(file); |
| struct saa7146_dev *dev = video_drvdata(file); |
| struct saa7146_fh *fh = NULL; |
| int result = 0; |
| |
| DEB_EE("file:%p, dev:%s\n", file, video_device_node_name(vdev)); |
| |
| if (mutex_lock_interruptible(vdev->lock)) |
| return -ERESTARTSYS; |
| |
| DEB_D("using: %p\n", dev); |
| |
| /* check if an extension is registered */ |
| if( NULL == dev->ext ) { |
| DEB_S("no extension registered for this device\n"); |
| result = -ENODEV; |
| goto out; |
| } |
| |
| /* allocate per open data */ |
| fh = kzalloc(sizeof(*fh),GFP_KERNEL); |
| if (NULL == fh) { |
| DEB_S("cannot allocate memory for per open data\n"); |
| result = -ENOMEM; |
| goto out; |
| } |
| |
| v4l2_fh_init(&fh->fh, vdev); |
| |
| file->private_data = &fh->fh; |
| fh->dev = dev; |
| |
| if (vdev->vfl_type == VFL_TYPE_VBI) { |
| DEB_S("initializing vbi...\n"); |
| if (dev->ext_vv_data->capabilities & V4L2_CAP_VBI_CAPTURE) |
| result = saa7146_vbi_uops.open(dev,file); |
| if (dev->ext_vv_data->vbi_fops.open) |
| dev->ext_vv_data->vbi_fops.open(file); |
| } else { |
| DEB_S("initializing video...\n"); |
| result = saa7146_video_uops.open(dev,file); |
| } |
| |
| if (0 != result) { |
| goto out; |
| } |
| |
| if( 0 == try_module_get(dev->ext->module)) { |
| result = -EINVAL; |
| goto out; |
| } |
| |
| result = 0; |
| v4l2_fh_add(&fh->fh); |
| out: |
| if (fh && result != 0) { |
| kfree(fh); |
| file->private_data = NULL; |
| } |
| mutex_unlock(vdev->lock); |
| return result; |
| } |
| |
| static int fops_release(struct file *file) |
| { |
| struct video_device *vdev = video_devdata(file); |
| struct saa7146_fh *fh = file->private_data; |
| struct saa7146_dev *dev = fh->dev; |
| |
| DEB_EE("file:%p\n", file); |
| |
| mutex_lock(vdev->lock); |
| |
| if (vdev->vfl_type == VFL_TYPE_VBI) { |
| if (dev->ext_vv_data->capabilities & V4L2_CAP_VBI_CAPTURE) |
| saa7146_vbi_uops.release(dev,file); |
| if (dev->ext_vv_data->vbi_fops.release) |
| dev->ext_vv_data->vbi_fops.release(file); |
| } else { |
| saa7146_video_uops.release(dev,file); |
| } |
| |
| v4l2_fh_del(&fh->fh); |
| v4l2_fh_exit(&fh->fh); |
| module_put(dev->ext->module); |
| file->private_data = NULL; |
| kfree(fh); |
| |
| mutex_unlock(vdev->lock); |
| |
| return 0; |
| } |
| |
| static int fops_mmap(struct file *file, struct vm_area_struct * vma) |
| { |
| struct video_device *vdev = video_devdata(file); |
| struct saa7146_fh *fh = file->private_data; |
| struct videobuf_queue *q; |
| int res; |
| |
| switch (vdev->vfl_type) { |
| case VFL_TYPE_GRABBER: { |
| DEB_EE("V4L2_BUF_TYPE_VIDEO_CAPTURE: file:%p, vma:%p\n", |
| file, vma); |
| q = &fh->video_q; |
| break; |
| } |
| case VFL_TYPE_VBI: { |
| DEB_EE("V4L2_BUF_TYPE_VBI_CAPTURE: file:%p, vma:%p\n", |
| file, vma); |
| if (fh->dev->ext_vv_data->capabilities & V4L2_CAP_SLICED_VBI_OUTPUT) |
| return -ENODEV; |
| q = &fh->vbi_q; |
| break; |
| } |
| default: |
| BUG(); |
| } |
| |
| if (mutex_lock_interruptible(vdev->lock)) |
| return -ERESTARTSYS; |
| res = videobuf_mmap_mapper(q, vma); |
| mutex_unlock(vdev->lock); |
| return res; |
| } |
| |
| static __poll_t __fops_poll(struct file *file, struct poll_table_struct *wait) |
| { |
| struct video_device *vdev = video_devdata(file); |
| struct saa7146_fh *fh = file->private_data; |
| struct videobuf_buffer *buf = NULL; |
| struct videobuf_queue *q; |
| __poll_t res = v4l2_ctrl_poll(file, wait); |
| |
| DEB_EE("file:%p, poll:%p\n", file, wait); |
| |
| if (vdev->vfl_type == VFL_TYPE_VBI) { |
| if (fh->dev->ext_vv_data->capabilities & V4L2_CAP_SLICED_VBI_OUTPUT) |
| return res | EPOLLOUT | EPOLLWRNORM; |
| if( 0 == fh->vbi_q.streaming ) |
| return res | videobuf_poll_stream(file, &fh->vbi_q, wait); |
| q = &fh->vbi_q; |
| } else { |
| DEB_D("using video queue\n"); |
| q = &fh->video_q; |
| } |
| |
| if (!list_empty(&q->stream)) |
| buf = list_entry(q->stream.next, struct videobuf_buffer, stream); |
| |
| if (!buf) { |
| DEB_D("buf == NULL!\n"); |
| return res | EPOLLERR; |
| } |
| |
| poll_wait(file, &buf->done, wait); |
| if (buf->state == VIDEOBUF_DONE || buf->state == VIDEOBUF_ERROR) { |
| DEB_D("poll succeeded!\n"); |
| return res | EPOLLIN | EPOLLRDNORM; |
| } |
| |
| DEB_D("nothing to poll for, buf->state:%d\n", buf->state); |
| return res; |
| } |
| |
| static __poll_t fops_poll(struct file *file, struct poll_table_struct *wait) |
| { |
| struct video_device *vdev = video_devdata(file); |
| __poll_t res; |
| |
| mutex_lock(vdev->lock); |
| res = __fops_poll(file, wait); |
| mutex_unlock(vdev->lock); |
| return res; |
| } |
| |
| static ssize_t fops_read(struct file *file, char __user *data, size_t count, loff_t *ppos) |
| { |
| struct video_device *vdev = video_devdata(file); |
| struct saa7146_fh *fh = file->private_data; |
| int ret; |
| |
| switch (vdev->vfl_type) { |
| case VFL_TYPE_GRABBER: |
| /* |
| DEB_EE("V4L2_BUF_TYPE_VIDEO_CAPTURE: file:%p, data:%p, count:%lun", |
| file, data, (unsigned long)count); |
| */ |
| return saa7146_video_uops.read(file,data,count,ppos); |
| case VFL_TYPE_VBI: |
| /* |
| DEB_EE("V4L2_BUF_TYPE_VBI_CAPTURE: file:%p, data:%p, count:%lu\n", |
| file, data, (unsigned long)count); |
| */ |
| if (fh->dev->ext_vv_data->capabilities & V4L2_CAP_VBI_CAPTURE) { |
| if (mutex_lock_interruptible(vdev->lock)) |
| return -ERESTARTSYS; |
| ret = saa7146_vbi_uops.read(file, data, count, ppos); |
| mutex_unlock(vdev->lock); |
| return ret; |
| } |
| return -EINVAL; |
| default: |
| BUG(); |
| } |
| } |
| |
| static ssize_t fops_write(struct file *file, const char __user *data, size_t count, loff_t *ppos) |
| { |
| struct video_device *vdev = video_devdata(file); |
| struct saa7146_fh *fh = file->private_data; |
| int ret; |
| |
| switch (vdev->vfl_type) { |
| case VFL_TYPE_GRABBER: |
| return -EINVAL; |
| case VFL_TYPE_VBI: |
| if (fh->dev->ext_vv_data->vbi_fops.write) { |
| if (mutex_lock_interruptible(vdev->lock)) |
| return -ERESTARTSYS; |
| ret = fh->dev->ext_vv_data->vbi_fops.write(file, data, count, ppos); |
| mutex_unlock(vdev->lock); |
| return ret; |
| } |
| return -EINVAL; |
| default: |
| BUG(); |
| } |
| } |
| |
| static const struct v4l2_file_operations video_fops = |
| { |
| .owner = THIS_MODULE, |
| .open = fops_open, |
| .release = fops_release, |
| .read = fops_read, |
| .write = fops_write, |
| .poll = fops_poll, |
| .mmap = fops_mmap, |
| .unlocked_ioctl = video_ioctl2, |
| }; |
| |
| static void vv_callback(struct saa7146_dev *dev, unsigned long status) |
| { |
| u32 isr = status; |
| |
| DEB_INT("dev:%p, isr:0x%08x\n", dev, (u32)status); |
| |
| if (0 != (isr & (MASK_27))) { |
| DEB_INT("irq: RPS0 (0x%08x)\n", isr); |
| saa7146_video_uops.irq_done(dev,isr); |
| } |
| |
| if (0 != (isr & (MASK_28))) { |
| u32 mc2 = saa7146_read(dev, MC2); |
| if( 0 != (mc2 & MASK_15)) { |
| DEB_INT("irq: RPS1 vbi workaround (0x%08x)\n", isr); |
| wake_up(&dev->vv_data->vbi_wq); |
| saa7146_write(dev,MC2, MASK_31); |
| return; |
| } |
| DEB_INT("irq: RPS1 (0x%08x)\n", isr); |
| saa7146_vbi_uops.irq_done(dev,isr); |
| } |
| } |
| |
| static const struct v4l2_ctrl_ops saa7146_ctrl_ops = { |
| .s_ctrl = saa7146_s_ctrl, |
| }; |
| |
| int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv) |
| { |
| struct v4l2_ctrl_handler *hdl = &dev->ctrl_handler; |
| struct v4l2_pix_format *fmt; |
| struct v4l2_vbi_format *vbi; |
| struct saa7146_vv *vv; |
| int err; |
| |
| err = v4l2_device_register(&dev->pci->dev, &dev->v4l2_dev); |
| if (err) |
| return err; |
| |
| v4l2_ctrl_handler_init(hdl, 6); |
| v4l2_ctrl_new_std(hdl, &saa7146_ctrl_ops, |
| V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); |
| v4l2_ctrl_new_std(hdl, &saa7146_ctrl_ops, |
| V4L2_CID_CONTRAST, 0, 127, 1, 64); |
| v4l2_ctrl_new_std(hdl, &saa7146_ctrl_ops, |
| V4L2_CID_SATURATION, 0, 127, 1, 64); |
| v4l2_ctrl_new_std(hdl, &saa7146_ctrl_ops, |
| V4L2_CID_VFLIP, 0, 1, 1, 0); |
| v4l2_ctrl_new_std(hdl, &saa7146_ctrl_ops, |
| V4L2_CID_HFLIP, 0, 1, 1, 0); |
| if (hdl->error) { |
| err = hdl->error; |
| v4l2_ctrl_handler_free(hdl); |
| return err; |
| } |
| dev->v4l2_dev.ctrl_handler = hdl; |
| |
| vv = kzalloc(sizeof(struct saa7146_vv), GFP_KERNEL); |
| if (vv == NULL) { |
| ERR("out of memory. aborting.\n"); |
| v4l2_ctrl_handler_free(hdl); |
| return -ENOMEM; |
| } |
| ext_vv->vid_ops = saa7146_video_ioctl_ops; |
| ext_vv->vbi_ops = saa7146_vbi_ioctl_ops; |
| ext_vv->core_ops = &saa7146_video_ioctl_ops; |
| |
| DEB_EE("dev:%p\n", dev); |
| |
| /* set default values for video parts of the saa7146 */ |
| saa7146_write(dev, BCS_CTRL, 0x80400040); |
| |
| /* enable video-port pins */ |
| saa7146_write(dev, MC1, (MASK_10 | MASK_26)); |
| |
| /* save per-device extension data (one extension can |
| handle different devices that might need different |
| configuration data) */ |
| dev->ext_vv_data = ext_vv; |
| |
| vv->d_clipping.cpu_addr = |
| pci_zalloc_consistent(dev->pci, SAA7146_CLIPPING_MEM, |
| &vv->d_clipping.dma_handle); |
| if( NULL == vv->d_clipping.cpu_addr ) { |
| ERR("out of memory. aborting.\n"); |
| kfree(vv); |
| v4l2_ctrl_handler_free(hdl); |
| return -1; |
| } |
| |
| saa7146_video_uops.init(dev,vv); |
| if (dev->ext_vv_data->capabilities & V4L2_CAP_VBI_CAPTURE) |
| saa7146_vbi_uops.init(dev,vv); |
| |
| vv->ov_fb.fmt.width = vv->standard->h_max_out; |
| vv->ov_fb.fmt.height = vv->standard->v_max_out; |
| vv->ov_fb.fmt.pixelformat = V4L2_PIX_FMT_RGB565; |
| vv->ov_fb.fmt.bytesperline = 2 * vv->ov_fb.fmt.width; |
| vv->ov_fb.fmt.sizeimage = vv->ov_fb.fmt.bytesperline * vv->ov_fb.fmt.height; |
| vv->ov_fb.fmt.colorspace = V4L2_COLORSPACE_SRGB; |
| |
| fmt = &vv->video_fmt; |
| fmt->width = 384; |
| fmt->height = 288; |
| fmt->pixelformat = V4L2_PIX_FMT_BGR24; |
| fmt->field = V4L2_FIELD_ANY; |
| fmt->colorspace = V4L2_COLORSPACE_SMPTE170M; |
| fmt->bytesperline = 3 * fmt->width; |
| fmt->sizeimage = fmt->bytesperline * fmt->height; |
| |
| vbi = &vv->vbi_fmt; |
| vbi->sampling_rate = 27000000; |
| vbi->offset = 248; /* todo */ |
| vbi->samples_per_line = 720 * 2; |
| vbi->sample_format = V4L2_PIX_FMT_GREY; |
| |
| /* fixme: this only works for PAL */ |
| vbi->start[0] = 5; |
| vbi->count[0] = 16; |
| vbi->start[1] = 312; |
| vbi->count[1] = 16; |
| |
| timer_setup(&vv->vbi_read_timeout, NULL, 0); |
| |
| vv->ov_fb.capability = V4L2_FBUF_CAP_LIST_CLIPPING; |
| vv->ov_fb.flags = V4L2_FBUF_FLAG_PRIMARY; |
| dev->vv_data = vv; |
| dev->vv_callback = &vv_callback; |
| |
| return 0; |
| } |
| EXPORT_SYMBOL_GPL(saa7146_vv_init); |
| |
| int saa7146_vv_release(struct saa7146_dev* dev) |
| { |
| struct saa7146_vv *vv = dev->vv_data; |
| |
| DEB_EE("dev:%p\n", dev); |
| |
| v4l2_device_unregister(&dev->v4l2_dev); |
| pci_free_consistent(dev->pci, SAA7146_CLIPPING_MEM, vv->d_clipping.cpu_addr, vv->d_clipping.dma_handle); |
| v4l2_ctrl_handler_free(&dev->ctrl_handler); |
| kfree(vv); |
| dev->vv_data = NULL; |
| dev->vv_callback = NULL; |
| |
| return 0; |
| } |
| EXPORT_SYMBOL_GPL(saa7146_vv_release); |
| |
| int saa7146_register_device(struct video_device *vfd, struct saa7146_dev *dev, |
| char *name, int type) |
| { |
| int err; |
| int i; |
| |
| DEB_EE("dev:%p, name:'%s', type:%d\n", dev, name, type); |
| |
| vfd->fops = &video_fops; |
| if (type == VFL_TYPE_GRABBER) |
| vfd->ioctl_ops = &dev->ext_vv_data->vid_ops; |
| else |
| vfd->ioctl_ops = &dev->ext_vv_data->vbi_ops; |
| vfd->release = video_device_release_empty; |
| vfd->lock = &dev->v4l2_lock; |
| vfd->v4l2_dev = &dev->v4l2_dev; |
| vfd->tvnorms = 0; |
| for (i = 0; i < dev->ext_vv_data->num_stds; i++) |
| vfd->tvnorms |= dev->ext_vv_data->stds[i].id; |
| strscpy(vfd->name, name, sizeof(vfd->name)); |
| video_set_drvdata(vfd, dev); |
| |
| err = video_register_device(vfd, type, -1); |
| if (err < 0) { |
| ERR("cannot register v4l2 device. skipping.\n"); |
| return err; |
| } |
| |
| pr_info("%s: registered device %s [v4l2]\n", |
| dev->name, video_device_node_name(vfd)); |
| return 0; |
| } |
| EXPORT_SYMBOL_GPL(saa7146_register_device); |
| |
| int saa7146_unregister_device(struct video_device *vfd, struct saa7146_dev *dev) |
| { |
| DEB_EE("dev:%p\n", dev); |
| |
| video_unregister_device(vfd); |
| return 0; |
| } |
| EXPORT_SYMBOL_GPL(saa7146_unregister_device); |
| |
| static int __init saa7146_vv_init_module(void) |
| { |
| return 0; |
| } |
| |
| |
| static void __exit saa7146_vv_cleanup_module(void) |
| { |
| } |
| |
| module_init(saa7146_vv_init_module); |
| module_exit(saa7146_vv_cleanup_module); |
| |
| MODULE_AUTHOR("Michael Hunold <michael@mihu.de>"); |
| MODULE_DESCRIPTION("video4linux driver for saa7146-based hardware"); |
| MODULE_LICENSE("GPL"); |