static int btusb_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
struct usb_endpoint_descriptor *ep_desc;
struct btusb_data *data;
struct hci_dev *hdev;
int i, version, err;
BT_DBG("intf %p id %p", intf, id);
/* interface numbers are hardcoded in the spec */
if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
return -ENODEV;
if (!id->driver_info) {
const struct usb_device_id *match;
match = usb_match_id(intf, blacklist_table);
if (match)
id = match;
}
if (id->driver_info == BTUSB_IGNORE)
return -ENODEV;
if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER)
return -ENODEV;
if (ignore_csr && id->driver_info & BTUSB_CSR)
return -ENODEV;
if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER)
return -ENODEV;
if (id->driver_info & BTUSB_ATH3012) {
struct usb_device *udev = interface_to_usbdev(intf);
version = get_rome_version(udev);
BT_INFO("Rome Version: 0x%x", version);
/* Old firmware would otherwise let ath3k driver load
* patch and sysconfig files */
if (version)
rome_download(udev);
else if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) {
BT_INFO("FW for ar3k is yet to be downloaded");
return -ENODEV;
}
}
data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL);
if (!data)
return -ENOMEM;
for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
ep_desc = &intf->cur_altsetting->endpoint[i].desc;
if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) {
data->intr_ep = ep_desc;
continue;
}
if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
data->bulk_tx_ep = ep_desc;
continue;
}
if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
data->bulk_rx_ep = ep_desc;
continue;
}
}
if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep)
return -ENODEV;
data->cmdreq_type = USB_TYPE_CLASS;
data->udev = interface_to_usbdev(intf);
data->intf = intf;
spin_lock_init(&data->lock);
INIT_WORK(&data->work, btusb_work);
INIT_WORK(&data->waker, btusb_waker);
spin_lock_init(&data->txlock);
init_usb_anchor(&data->tx_anchor);
init_usb_anchor(&data->intr_anchor);
init_usb_anchor(&data->bulk_anchor);
init_usb_anchor(&data->isoc_anchor);
init_usb_anchor(&data->deferred);
hdev = hci_alloc_dev();
if (!hdev)
return -ENOMEM;
hdev->bus = HCI_USB;
hci_set_drvdata(hdev, data);
data->hdev = hdev;
SET_HCIDEV_DEV(hdev, &intf->dev);
hdev->open = btusb_open;
hdev->close = btusb_close;
hdev->flush = btusb_flush;
hdev->send = btusb_send_frame;
hdev->notify = btusb_notify;
if (id->driver_info & BTUSB_BCM92035)
hdev->setup = btusb_setup_bcm92035;
if (id->driver_info & BTUSB_INTEL)
hdev->setup = btusb_setup_intel;
/* Interface numbers are hardcoded in the specification */
data->isoc = usb_ifnum_to_if(data->udev, 1);
if (!reset)
set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) {
if (!disable_scofix)
set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks);
}
if (id->driver_info & BTUSB_BROKEN_ISOC)
data->isoc = NULL;
if (id->driver_info & BTUSB_DIGIANSWER) {
data->cmdreq_type = USB_TYPE_VENDOR;
set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
}
if (id->driver_info & BTUSB_CSR) {
struct usb_device *udev = data->udev;
/* Old firmware would otherwise execute USB reset */
if (le16_to_cpu(udev->descriptor.bcdDevice) < 0x117)
set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
}
if (id->driver_info & BTUSB_SNIFFER) {
struct usb_device *udev = data->udev;
/* New sniffer firmware has crippled HCI interface */
if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997)
set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
data->isoc = NULL;
}
if (data->isoc) {
err = usb_driver_claim_interface(&btusb_driver,
data->isoc, data);
if (err < 0) {
hci_free_dev(hdev);
return err;
}
}
err = hci_register_dev(hdev);
if (err < 0) {
hci_free_dev(hdev);
return err;
}
usb_set_intfdata(intf, data);
usb_enable_autosuspend(data->udev);
return 0;
}
static int ath3k_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
const struct firmware *firmware;
struct usb_device *udev = interface_to_usbdev(intf);
int ret;
struct ath3k_version version;
BT_DBG("intf %p id %p", intf, id);
if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
return -ENODEV;
ret = get_rome_version(udev, &version);
if (!ret) {
BT_INFO("Rome detected, fw dnld will be triggered from btusb");
return -ENODEV;
}
/* match device ID in ath3k blacklist table */
if (!id->driver_info) {
const struct usb_device_id *match;
match = usb_match_id(intf, ath3k_blist_tbl);
if (match)
id = match;
}
/* load patch and sysconfig files for AR3012 */
if (id->driver_info & BTUSB_ATH3012) {
/* New firmware with patch and sysconfig files already loaded */
if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x0001)
return -ENODEV;
ret = ath3k_load_patch(udev, &version);
if (ret < 0) {
BT_ERR("Loading patch file failed");
return ret;
}
ret = ath3k_load_syscfg(udev, &version);
if (ret < 0) {
BT_ERR("Loading sysconfig file failed");
return ret;
}
ret = ath3k_set_normal_mode(udev);
if (ret < 0) {
BT_ERR("Set normal mode failed");
return ret;
}
ath3k_switch_pid(udev);
return 0;
}
ret = request_firmware(&firmware, ATH3K_FIRMWARE, &udev->dev);
if (ret < 0) {
if (ret == -ENOENT)
BT_ERR("Firmware file \"%s\" not found",
ATH3K_FIRMWARE);
else
BT_ERR("Firmware file \"%s\" request failed (err=%d)",
ATH3K_FIRMWARE, ret);
return ret;
}
ret = ath3k_load_firmware(udev, firmware);
release_firmware(firmware);
return ret;
}
