V4L/DVB (11132): cx231xx: usb probe cleanups
Simplifies the usb probe logic, cleaning the printed messages during the probing phase. Cc: Srinivasa Deevi <srinivasa.deevi@conexant.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>hifive-unleashed-5.1
Mauro Carvalho Chehab
parent
b905de30e3
commit
90960744a1
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@ -558,10 +558,10 @@ static int cx231xx_usb_probe(struct usb_interface *interface,
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udev = usb_get_dev(interface_to_usbdev(interface));
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ifnum = interface->altsetting[0].desc.bInterfaceNumber;
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printk(DRIVER_NAME ": Interface Number %d\n", ifnum);
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/* Interface number 0 - IR interface */
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if (ifnum == 0) {
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if (!ifnum) {
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/*
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* Interface number 0 - IR interface
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*/
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/* Check to see next free device and mark as used */
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nr = find_first_zero_bit(&cx231xx_devused, CX231XX_MAXBOARDS);
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cx231xx_devused |= 1 << nr;
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@ -600,290 +600,253 @@ static int cx231xx_usb_probe(struct usb_interface *interface,
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/* get maximum no.of IAD interfaces */
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assoc_desc = udev->actconfig->intf_assoc[0];
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dev->max_iad_interface_count = assoc_desc->bInterfaceCount;
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cx231xx_info("Found IAD interface count %d\n",
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dev->max_iad_interface_count);
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/* init CIR module TBD */
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/* store the current interface */
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lif = interface;
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} else if (ifnum == 1) {
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/* Get dev structure first */
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dev = usb_get_intfdata(udev->actconfig->interface[0]);
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if (dev == NULL) {
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cx231xx_err(DRIVER_NAME ": out of first interface!\n");
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return -ENODEV;
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switch (udev->speed) {
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case USB_SPEED_LOW:
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speed = "1.5";
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break;
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case USB_SPEED_UNKNOWN:
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case USB_SPEED_FULL:
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speed = "12";
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break;
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case USB_SPEED_HIGH:
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speed = "480";
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break;
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default:
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speed = "unknown";
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}
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/* store the interface 0 back */
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lif = udev->actconfig->interface[0];
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if (udev->manufacturer)
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strlcpy(descr, udev->manufacturer, sizeof(descr));
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/* increment interface count */
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dev->interface_count++;
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/* get device number */
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nr = dev->devno;
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assoc_desc = udev->actconfig->intf_assoc[0];
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if (assoc_desc->bFirstInterface == ifnum) {
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cx231xx_info
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("Found IAD interface match: AV Desc Start!! \n");
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} else {
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cx231xx_err(" Not found matching interface\n");
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return -ENODEV;
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if (udev->product) {
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if (*descr)
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strlcat(descr, " ", sizeof(descr));
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strlcat(descr, udev->product, sizeof(descr));
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}
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} else if (ifnum >= 2) {
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/* Get dev structure first */
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dev = usb_get_intfdata(udev->actconfig->interface[0]);
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if (dev == NULL) {
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cx231xx_err(DRIVER_NAME ": out of first interface!\n");
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return -ENODEV;
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}
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/* store the interface 0 back */
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lif = udev->actconfig->interface[0];
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/* increment interface count */
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dev->interface_count++;
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/* get device number */
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nr = dev->devno;
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/* set skip interface */
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if ((dev->interface_count - 1) != dev->max_iad_interface_count)
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skip_interface = 1; /* set skipping */
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else {
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cx231xx_info
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("Found IAD interface no. match with AV Device no.!\n");
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}
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}
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switch (udev->speed) {
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case USB_SPEED_LOW:
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speed = "1.5";
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break;
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case USB_SPEED_UNKNOWN:
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case USB_SPEED_FULL:
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speed = "12";
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break;
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case USB_SPEED_HIGH:
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speed = "480";
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break;
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default:
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speed = "unknown";
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}
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if (udev->manufacturer)
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strlcpy(descr, udev->manufacturer, sizeof(descr));
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if (udev->product) {
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if (*descr)
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strlcat(descr, " ", sizeof(descr));
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strlcat(descr, udev->product, sizeof(descr));
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}
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if (*descr)
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strlcat(descr, " ", sizeof(descr));
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cx231xx_info("New device %s@ %s Mbps "
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"(%04x:%04x, interface %d, class %d)\n",
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cx231xx_info("New device %s@ %s Mbps "
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"(%04x:%04x) with %d interfaces\n",
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descr,
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speed,
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le16_to_cpu(udev->descriptor.idVendor),
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le16_to_cpu(udev->descriptor.idProduct),
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ifnum, interface->altsetting->desc.bInterfaceNumber);
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/* AV device initialization */
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if ((dev->interface_count - 1) == dev->max_iad_interface_count) {
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cx231xx_info(" Calling init_dev\n");
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/* Create v4l2 device */
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snprintf(dev->v4l2_dev.name, sizeof(dev->v4l2_dev.name),
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"%s-%03d", "cx231xx", nr);
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retval = v4l2_device_register(&udev->dev, &dev->v4l2_dev);
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if (retval) {
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printk(KERN_ERR "%s() v4l2_device_register failed\n",
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__func__);
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cx231xx_devused &= ~(1 << nr);
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kfree(dev);
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return -EIO;
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dev->max_iad_interface_count);
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} else {
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/* Get dev structure first */
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dev = usb_get_intfdata(udev->actconfig->interface[0]);
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if (dev == NULL) {
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cx231xx_err(DRIVER_NAME ": out of first interface!\n");
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return -ENODEV;
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}
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/* allocate device struct */
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retval = cx231xx_init_dev(&dev, udev, nr);
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if (retval) {
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cx231xx_devused &= ~(1 << dev->devno);
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v4l2_device_unregister(&dev->v4l2_dev);
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kfree(dev);
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return retval;
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}
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/* store the interface 0 back */
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lif = udev->actconfig->interface[0];
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/* compute alternate max packet sizes for video */
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uif =
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udev->actconfig->interface[dev->current_pcb_config.
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hs_config_info[0].interface_info.
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video_index + 1];
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/* increment interface count */
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dev->interface_count++;
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dev->video_mode.end_point_addr =
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le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe].desc.
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bEndpointAddress);
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/* get device number */
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nr = dev->devno;
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dev->video_mode.num_alt = uif->num_altsetting;
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cx231xx_info(": EndPoint Addr 0x%x, Alternate settings: %i\n",
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dev->video_mode.end_point_addr,
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dev->video_mode.num_alt);
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dev->video_mode.alt_max_pkt_size =
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kmalloc(32 * dev->video_mode.num_alt, GFP_KERNEL);
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/*
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* set skip interface, for all interfaces but
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* interface 1 and the last one
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*/
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if ((ifnum != 1) && ((dev->interface_count - 1)
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!= dev->max_iad_interface_count))
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skip_interface = 1;
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if (dev->video_mode.alt_max_pkt_size == NULL) {
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cx231xx_errdev("out of memory!\n");
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cx231xx_devused &= ~(1 << nr);
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v4l2_device_unregister(&dev->v4l2_dev);
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kfree(dev);
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return -ENOMEM;
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}
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for (i = 0; i < dev->video_mode.num_alt; i++) {
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u16 tmp =
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le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].
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desc.wMaxPacketSize);
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dev->video_mode.alt_max_pkt_size[i] =
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(tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
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cx231xx_info("Alternate setting %i, max size= %i\n", i,
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dev->video_mode.alt_max_pkt_size[i]);
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}
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/* compute alternate max packet sizes for vbi */
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uif =
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udev->actconfig->interface[dev->current_pcb_config.
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hs_config_info[0].interface_info.
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vanc_index + 1];
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dev->vbi_mode.end_point_addr =
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le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe].desc.
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bEndpointAddress);
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dev->vbi_mode.num_alt = uif->num_altsetting;
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cx231xx_info(": EndPoint Addr 0x%x, Alternate settings: %i\n",
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dev->vbi_mode.end_point_addr,
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dev->vbi_mode.num_alt);
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dev->vbi_mode.alt_max_pkt_size =
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kmalloc(32 * dev->vbi_mode.num_alt, GFP_KERNEL);
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if (dev->vbi_mode.alt_max_pkt_size == NULL) {
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cx231xx_errdev("out of memory!\n");
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cx231xx_devused &= ~(1 << nr);
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v4l2_device_unregister(&dev->v4l2_dev);
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kfree(dev);
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return -ENOMEM;
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}
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for (i = 0; i < dev->vbi_mode.num_alt; i++) {
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u16 tmp =
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le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].
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desc.wMaxPacketSize);
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dev->vbi_mode.alt_max_pkt_size[i] =
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(tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
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cx231xx_info("Alternate setting %i, max size= %i\n", i,
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dev->vbi_mode.alt_max_pkt_size[i]);
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}
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/* compute alternate max packet sizes for sliced CC */
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uif =
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udev->actconfig->interface[dev->current_pcb_config.
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hs_config_info[0].interface_info.
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hanc_index + 1];
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dev->sliced_cc_mode.end_point_addr =
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le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe].desc.
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bEndpointAddress);
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dev->sliced_cc_mode.num_alt = uif->num_altsetting;
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cx231xx_info(": EndPoint Addr 0x%x, Alternate settings: %i\n",
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dev->sliced_cc_mode.end_point_addr,
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dev->sliced_cc_mode.num_alt);
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dev->sliced_cc_mode.alt_max_pkt_size =
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kmalloc(32 * dev->sliced_cc_mode.num_alt, GFP_KERNEL);
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if (dev->sliced_cc_mode.alt_max_pkt_size == NULL) {
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cx231xx_errdev("out of memory!\n");
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cx231xx_devused &= ~(1 << nr);
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v4l2_device_unregister(&dev->v4l2_dev);
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kfree(dev);
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return -ENOMEM;
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}
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for (i = 0; i < dev->sliced_cc_mode.num_alt; i++) {
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u16 tmp =
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le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].
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desc.wMaxPacketSize);
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dev->sliced_cc_mode.alt_max_pkt_size[i] =
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(tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
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cx231xx_info("Alternate setting %i, max size= %i\n", i,
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dev->sliced_cc_mode.alt_max_pkt_size[i]);
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}
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if (dev->current_pcb_config.ts1_source != 0xff) {
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/* compute alternate max packet sizes for TS1 */
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uif =
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udev->actconfig->interface[dev->current_pcb_config.
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hs_config_info[0].
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interface_info.
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ts1_index + 1];
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dev->ts1_mode.end_point_addr =
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le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe].
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desc.bEndpointAddress);
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dev->ts1_mode.num_alt = uif->num_altsetting;
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cx231xx_info
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(": EndPoint Addr 0x%x, Alternate settings: %i\n",
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dev->ts1_mode.end_point_addr,
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dev->ts1_mode.num_alt);
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dev->ts1_mode.alt_max_pkt_size =
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kmalloc(32 * dev->ts1_mode.num_alt, GFP_KERNEL);
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if (dev->ts1_mode.alt_max_pkt_size == NULL) {
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cx231xx_errdev("out of memory!\n");
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cx231xx_devused &= ~(1 << nr);
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v4l2_device_unregister(&dev->v4l2_dev);
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kfree(dev);
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return -ENOMEM;
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}
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for (i = 0; i < dev->ts1_mode.num_alt; i++) {
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u16 tmp =
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le16_to_cpu(uif->altsetting[i].
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endpoint[isoc_pipe].desc.
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wMaxPacketSize);
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dev->ts1_mode.alt_max_pkt_size[i] =
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(tmp & 0x07ff) * (((tmp & 0x1800) >> 11) +
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1);
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cx231xx_info
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("Alternate setting %i, max size= %i\n", i,
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dev->ts1_mode.alt_max_pkt_size[i]);
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if (ifnum == 1) {
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assoc_desc = udev->actconfig->intf_assoc[0];
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if (assoc_desc->bFirstInterface != ifnum) {
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cx231xx_err(DRIVER_NAME ": Not found "
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"matching IAD interface\n");
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return -ENODEV;
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}
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}
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}
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if (skip_interface)
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return -ENODEV;
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cx231xx_info("registering interface %d\n", ifnum);
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/* save our data pointer in this interface device */
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usb_set_intfdata(lif, dev);
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/* load other modules required */
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if ((dev->interface_count - 1) == dev->max_iad_interface_count) {
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cx231xx_info("Calling request modules\n");
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request_modules(dev);
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if ((dev->interface_count - 1) != dev->max_iad_interface_count)
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return 0;
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/*
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* AV device initialization - only done at the last interface
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*/
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/* Create v4l2 device */
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snprintf(dev->v4l2_dev.name, sizeof(dev->v4l2_dev.name),
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"%s-%03d", "cx231xx", nr);
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retval = v4l2_device_register(&udev->dev, &dev->v4l2_dev);
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if (retval) {
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cx231xx_errdev("v4l2_device_register failed\n");
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cx231xx_devused &= ~(1 << nr);
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kfree(dev);
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return -EIO;
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}
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if (skip_interface) {
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cx231xx_info("Skipping the interface\n");
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return -ENODEV;
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/* allocate device struct */
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retval = cx231xx_init_dev(&dev, udev, nr);
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if (retval) {
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cx231xx_devused &= ~(1 << dev->devno);
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v4l2_device_unregister(&dev->v4l2_dev);
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kfree(dev);
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return retval;
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}
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/* compute alternate max packet sizes for video */
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uif = udev->actconfig->interface[dev->current_pcb_config.
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hs_config_info[0].interface_info.video_index + 1];
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dev->video_mode.end_point_addr = le16_to_cpu(uif->altsetting[0].
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endpoint[isoc_pipe].desc.bEndpointAddress);
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dev->video_mode.num_alt = uif->num_altsetting;
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cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
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dev->video_mode.end_point_addr,
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dev->video_mode.num_alt);
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dev->video_mode.alt_max_pkt_size =
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kmalloc(32 * dev->video_mode.num_alt, GFP_KERNEL);
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if (dev->video_mode.alt_max_pkt_size == NULL) {
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cx231xx_errdev("out of memory!\n");
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cx231xx_devused &= ~(1 << nr);
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v4l2_device_unregister(&dev->v4l2_dev);
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kfree(dev);
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return -ENOMEM;
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}
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for (i = 0; i < dev->video_mode.num_alt; i++) {
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u16 tmp = le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].
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desc.wMaxPacketSize);
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dev->video_mode.alt_max_pkt_size[i] =
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(tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
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cx231xx_info("Alternate setting %i, max size= %i\n", i,
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dev->video_mode.alt_max_pkt_size[i]);
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}
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/* compute alternate max packet sizes for vbi */
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uif = udev->actconfig->interface[dev->current_pcb_config.
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hs_config_info[0].interface_info.
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vanc_index + 1];
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dev->vbi_mode.end_point_addr =
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le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe].desc.
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bEndpointAddress);
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dev->vbi_mode.num_alt = uif->num_altsetting;
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cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
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dev->vbi_mode.end_point_addr,
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dev->vbi_mode.num_alt);
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dev->vbi_mode.alt_max_pkt_size =
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kmalloc(32 * dev->vbi_mode.num_alt, GFP_KERNEL);
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if (dev->vbi_mode.alt_max_pkt_size == NULL) {
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cx231xx_errdev("out of memory!\n");
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cx231xx_devused &= ~(1 << nr);
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v4l2_device_unregister(&dev->v4l2_dev);
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kfree(dev);
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return -ENOMEM;
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}
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for (i = 0; i < dev->vbi_mode.num_alt; i++) {
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u16 tmp =
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le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].
|
||||
desc.wMaxPacketSize);
|
||||
dev->vbi_mode.alt_max_pkt_size[i] =
|
||||
(tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
|
||||
cx231xx_info("Alternate setting %i, max size= %i\n", i,
|
||||
dev->vbi_mode.alt_max_pkt_size[i]);
|
||||
}
|
||||
|
||||
/* compute alternate max packet sizes for sliced CC */
|
||||
uif = udev->actconfig->interface[dev->current_pcb_config.
|
||||
hs_config_info[0].interface_info.
|
||||
hanc_index + 1];
|
||||
|
||||
dev->sliced_cc_mode.end_point_addr =
|
||||
le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe].desc.
|
||||
bEndpointAddress);
|
||||
|
||||
dev->sliced_cc_mode.num_alt = uif->num_altsetting;
|
||||
cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
|
||||
dev->sliced_cc_mode.end_point_addr,
|
||||
dev->sliced_cc_mode.num_alt);
|
||||
dev->sliced_cc_mode.alt_max_pkt_size =
|
||||
kmalloc(32 * dev->sliced_cc_mode.num_alt, GFP_KERNEL);
|
||||
|
||||
if (dev->sliced_cc_mode.alt_max_pkt_size == NULL) {
|
||||
cx231xx_errdev("out of memory!\n");
|
||||
cx231xx_devused &= ~(1 << nr);
|
||||
v4l2_device_unregister(&dev->v4l2_dev);
|
||||
kfree(dev);
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
for (i = 0; i < dev->sliced_cc_mode.num_alt; i++) {
|
||||
u16 tmp = le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].
|
||||
desc.wMaxPacketSize);
|
||||
dev->sliced_cc_mode.alt_max_pkt_size[i] =
|
||||
(tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
|
||||
cx231xx_info("Alternate setting %i, max size= %i\n", i,
|
||||
dev->sliced_cc_mode.alt_max_pkt_size[i]);
|
||||
}
|
||||
|
||||
if (dev->current_pcb_config.ts1_source != 0xff) {
|
||||
/* compute alternate max packet sizes for TS1 */
|
||||
uif = udev->actconfig->interface[dev->current_pcb_config.
|
||||
hs_config_info[0].
|
||||
interface_info.
|
||||
ts1_index + 1];
|
||||
|
||||
dev->ts1_mode.end_point_addr =
|
||||
le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe].
|
||||
desc.bEndpointAddress);
|
||||
|
||||
dev->ts1_mode.num_alt = uif->num_altsetting;
|
||||
cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
|
||||
dev->ts1_mode.end_point_addr,
|
||||
dev->ts1_mode.num_alt);
|
||||
dev->ts1_mode.alt_max_pkt_size =
|
||||
kmalloc(32 * dev->ts1_mode.num_alt, GFP_KERNEL);
|
||||
|
||||
if (dev->ts1_mode.alt_max_pkt_size == NULL) {
|
||||
cx231xx_errdev("out of memory!\n");
|
||||
cx231xx_devused &= ~(1 << nr);
|
||||
v4l2_device_unregister(&dev->v4l2_dev);
|
||||
kfree(dev);
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
for (i = 0; i < dev->ts1_mode.num_alt; i++) {
|
||||
u16 tmp = le16_to_cpu(uif->altsetting[i].
|
||||
endpoint[isoc_pipe].desc.
|
||||
wMaxPacketSize);
|
||||
dev->ts1_mode.alt_max_pkt_size[i] =
|
||||
(tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
|
||||
cx231xx_info("Alternate setting %i, max size= %i\n", i,
|
||||
dev->ts1_mode.alt_max_pkt_size[i]);
|
||||
}
|
||||
}
|
||||
|
||||
/* load other modules required */
|
||||
request_modules(dev);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
@ -902,6 +865,9 @@ static void cx231xx_usb_disconnect(struct usb_interface *interface)
|
|||
if (!dev)
|
||||
return;
|
||||
|
||||
if (!dev->udev)
|
||||
return;
|
||||
|
||||
/* delete v4l2 device */
|
||||
v4l2_device_unregister(&dev->v4l2_dev);
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue