static int tw68_initdev(struct pci_dev *pci_dev,
const struct pci_device_id *pci_id)
{
struct tw68_dev *dev;
int vidnr = -1;
int err;
dev = devm_kzalloc(&pci_dev->dev, sizeof(*dev), GFP_KERNEL);
if (NULL == dev)
return -ENOMEM;
dev->instance = v4l2_device_set_name(&dev->v4l2_dev, "tw68",
&tw68_instance);
err = v4l2_device_register(&pci_dev->dev, &dev->v4l2_dev);
if (err)
return err;
/* pci init */
dev->pci = pci_dev;
if (pci_enable_device(pci_dev)) {
err = -EIO;
goto fail1;
}
dev->name = dev->v4l2_dev.name;
if (UNSET != latency) {
pr_info("%s: setting pci latency timer to %d\n",
dev->name, latency);
pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency);
}
/* print pci info */
pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
pr_info("%s: found at %s, rev: %d, irq: %d, latency: %d, mmio: 0x%llx\n",
dev->name, pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
dev->pci_lat, (u64)pci_resource_start(pci_dev, 0));
pci_set_master(pci_dev);
if (!pci_dma_supported(pci_dev, DMA_BIT_MASK(32))) {
pr_info("%s: Oops: no 32bit PCI DMA ???\n", dev->name);
err = -EIO;
goto fail1;
}
switch (pci_id->device) {
case PCI_DEVICE_ID_6800: /* TW6800 */
dev->vdecoder = TW6800;
dev->board_virqmask = TW68_VID_INTS;
break;
case PCI_DEVICE_ID_6801: /* Video decoder for TW6802 */
dev->vdecoder = TW6801;
dev->board_virqmask = TW68_VID_INTS | TW68_VID_INTSX;
break;
case PCI_DEVICE_ID_6804: /* Video decoder for TW6804 */
dev->vdecoder = TW6804;
dev->board_virqmask = TW68_VID_INTS | TW68_VID_INTSX;
break;
default:
dev->vdecoder = TWXXXX; /* To be announced */
dev->board_virqmask = TW68_VID_INTS | TW68_VID_INTSX;
break;
}
/* get mmio */
if (!request_mem_region(pci_resource_start(pci_dev, 0),
pci_resource_len(pci_dev, 0),
dev->name)) {
err = -EBUSY;
pr_err("%s: can't get MMIO memory @ 0x%llx\n",
dev->name,
(unsigned long long)pci_resource_start(pci_dev, 0));
goto fail1;
}
dev->lmmio = ioremap(pci_resource_start(pci_dev, 0),
pci_resource_len(pci_dev, 0));
dev->bmmio = (__u8 __iomem *)dev->lmmio;
if (NULL == dev->lmmio) {
err = -EIO;
pr_err("%s: can't ioremap() MMIO memory\n",
dev->name);
goto fail2;
}
/* initialize hardware #1 */
/* Then do any initialisation wanted before interrupts are on */
tw68_hw_init1(dev);
dev->alloc_ctx = vb2_dma_sg_init_ctx(&pci_dev->dev);
if (IS_ERR(dev->alloc_ctx)) {
err = PTR_ERR(dev->alloc_ctx);
goto fail3;
}
/* get irq */
err = devm_request_irq(&pci_dev->dev, pci_dev->irq, tw68_irq,
IRQF_SHARED, dev->name, dev);
if (err < 0) {
pr_err("%s: can't get IRQ %d\n",
dev->name, pci_dev->irq);
goto fail4;
}
/*
* Now do remainder of initialisation, first for
* things unique for this card, then for general board
*/
if (dev->instance < TW68_MAXBOARDS)
vidnr = video_nr[dev->instance];
/* initialise video function first */
err = tw68_video_init2(dev, vidnr);
if (err < 0) {
pr_err("%s: can't register video device\n",
dev->name);
goto fail5;
}
tw_setl(TW68_INTMASK, dev->pci_irqmask);
pr_info("%s: registered device %s\n",
dev->name, video_device_node_name(&dev->vdev));
return 0;
fail5:
video_unregister_device(&dev->vdev);
fail4:
vb2_dma_sg_cleanup_ctx(dev->alloc_ctx);
fail3:
iounmap(dev->lmmio);
fail2:
release_mem_region(pci_resource_start(pci_dev, 0),
pci_resource_len(pci_dev, 0));
fail1:
v4l2_device_unregister(&dev->v4l2_dev);
return err;
}
int fthd_v4l2_register(struct fthd_private *dev_priv)
{
struct v4l2_device *v4l2_dev = &dev_priv->v4l2_dev;
struct video_device *vdev;
struct vb2_queue *q;
int ret;
ret = v4l2_device_register(&dev_priv->pdev->dev, v4l2_dev);
if (ret) {
pr_err("v4l2_device_register: %d\n", ret);
return ret;
}
vdev = video_device_alloc();
if (!vdev) {
ret = -ENOMEM;
goto fail;
}
dev_priv->videodev = vdev;
q = &dev_priv->vb2_queue;
q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
q->drv_priv = dev_priv;
q->ops = &vb2_queue_ops;
q->mem_ops = &vb2_dma_sg_memops;
q->buf_struct_size = 0;//sizeof(struct vpif_cap_buffer);
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
q->min_buffers_needed = 1;
q->lock = &dev_priv->vb2_queue_lock;
ret = vb2_queue_init(q);
if (ret)
goto fail;
v4l2_ctrl_handler_init(&dev_priv->v4l2_ctrl_handler, 4);
v4l2_ctrl_new_std(&dev_priv->v4l2_ctrl_handler, &fthd_ctrl_ops,
V4L2_CID_BRIGHTNESS, 0, 0xff, 1, 0x80);
v4l2_ctrl_new_std(&dev_priv->v4l2_ctrl_handler, &fthd_ctrl_ops,
V4L2_CID_CONTRAST, 0, 0xff, 1, 0x80);
v4l2_ctrl_new_std(&dev_priv->v4l2_ctrl_handler, &fthd_ctrl_ops,
V4L2_CID_SATURATION, 0, 0xff, 1, 0x80);
v4l2_ctrl_new_std(&dev_priv->v4l2_ctrl_handler, &fthd_ctrl_ops,
V4L2_CID_HUE, 0, 0xff, 1, 0x80);
v4l2_ctrl_new_std(&dev_priv->v4l2_ctrl_handler, &fthd_ctrl_ops,
V4L2_CID_AUTO_WHITE_BALANCE, 0, 1, 1, 1);
if (dev_priv->v4l2_ctrl_handler.error) {
pr_err("failed to setup control handlers\n");
v4l2_ctrl_handler_free(&dev_priv->v4l2_ctrl_handler);
goto fail;
}
dev_priv->alloc_ctx = vb2_dma_sg_init_ctx(&dev_priv->pdev->dev);
vdev->v4l2_dev = v4l2_dev;
strcpy(vdev->name, "Apple Facetime HD"); // XXX: Length?
vdev->vfl_dir = VFL_DIR_RX;
vdev->fops = &fthd_vdev_fops;
vdev->ioctl_ops = &fthd_ioctl_ops;
vdev->queue = q;
vdev->release = video_device_release;
vdev->ctrl_handler = &dev_priv->v4l2_ctrl_handler;
video_set_drvdata(vdev, dev_priv);
ret = video_register_device(vdev, VFL_TYPE_GRABBER, -1);
if (ret) {
video_device_release(vdev);
goto fail_vdev;
}
dev_priv->fmt.fmt.sizeimage = 1280 * 720 * 2;
dev_priv->fmt.fmt.pixelformat = V4L2_PIX_FMT_YUYV;
dev_priv->fmt.fmt.width = 1280;
dev_priv->fmt.fmt.height = 720;
dev_priv->fmt.planes = 1;
fthd_v4l2_adjust_format(dev_priv, &dev_priv->fmt.fmt);
return 0;
fail_vdev:
v4l2_ctrl_handler_free(&dev_priv->v4l2_ctrl_handler);
fail:
v4l2_device_unregister(&dev_priv->v4l2_dev);
return ret;
}
