/*
* SDIO probe.
*
* This function probes an mwifiex device and registers it. It allocates
* the card structure, enables SDIO function number and initiates the
* device registration and initialization procedure by adding a logical
* interface.
*/
static int
mwifiex_sdio_probe(struct sdio_func *func, const struct sdio_device_id *id)
{
int ret;
struct sdio_mmc_card *card = NULL;
pr_debug("info: vendor=0x%4.04X device=0x%4.04X class=%d function=%d\n",
func->vendor, func->device, func->class, func->num);
card = kzalloc(sizeof(struct sdio_mmc_card), GFP_KERNEL);
if (!card) {
pr_err("%s: failed to alloc memory\n", __func__);
return -ENOMEM;
}
card->func = func;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
func->card->quirks |= MMC_QUIRK_BLKSZ_FOR_BYTE_MODE;
#endif
sdio_claim_host(func);
ret = sdio_enable_func(func);
sdio_release_host(func);
if (ret) {
pr_err("%s: failed to enable function\n", __func__);
kfree(card);
return -EIO;
}
if (mwifiex_add_card(card, &add_remove_card_sem, &sdio_ops,
MWIFIEX_SDIO)) {
pr_err("%s: add card failed\n", __func__);
kfree(card);
sdio_claim_host(func);
ret = sdio_disable_func(func);
sdio_release_host(func);
ret = -1;
}
return ret;
}
static int mwifiex_pcie_probe(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
struct pcie_service_card *card;
pr_debug("info: vendor=0x%4.04X device=0x%4.04X rev=%d\n",
pdev->vendor, pdev->device, pdev->revision);
card = kzalloc(sizeof(struct pcie_service_card), GFP_KERNEL);
if (!card)
return -ENOMEM;
card->dev = pdev;
if (mwifiex_add_card(card, &add_remove_card_sem, &pcie_ops,
MWIFIEX_PCIE)) {
pr_err("%s failed\n", __func__);
kfree(card);
return -1;
}
return 0;
}
/* This function probes an mwifiex device and registers it. It allocates
* the card structure, initiates the device registration and initialization
* procedure by adding a logical interface.
*/
static int mwifiex_usb_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
struct usb_device *udev = interface_to_usbdev(intf);
struct usb_host_interface *iface_desc = intf->cur_altsetting;
struct usb_endpoint_descriptor *epd;
int ret, i;
struct usb_card_rec *card;
u16 id_vendor, id_product, bcd_device, bcd_usb;
card = kzalloc(sizeof(struct usb_card_rec), GFP_KERNEL);
if (!card)
return -ENOMEM;
id_vendor = le16_to_cpu(udev->descriptor.idVendor);
id_product = le16_to_cpu(udev->descriptor.idProduct);
bcd_device = le16_to_cpu(udev->descriptor.bcdDevice);
bcd_usb = le16_to_cpu(udev->descriptor.bcdUSB);
pr_debug("info: VID/PID = %X/%X, Boot2 version = %X\n",
id_vendor, id_product, bcd_device);
/* PID_1 is used for firmware downloading only */
switch (id_product) {
case USB8797_PID_1:
case USB8897_PID_1:
card->usb_boot_state = USB8XXX_FW_DNLD;
break;
case USB8797_PID_2:
case USB8897_PID_2:
card->usb_boot_state = USB8XXX_FW_READY;
break;
default:
pr_warning("unknown id_product %#x\n", id_product);
card->usb_boot_state = USB8XXX_FW_DNLD;
break;
}
card->udev = udev;
card->intf = intf;
pr_debug("info: bcdUSB=%#x Device Class=%#x SubClass=%#x Protocol=%#x\n",
udev->descriptor.bcdUSB, udev->descriptor.bDeviceClass,
udev->descriptor.bDeviceSubClass,
udev->descriptor.bDeviceProtocol);
for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) {
epd = &iface_desc->endpoint[i].desc;
if (usb_endpoint_dir_in(epd) &&
usb_endpoint_num(epd) == MWIFIEX_USB_EP_CMD_EVENT &&
usb_endpoint_xfer_bulk(epd)) {
pr_debug("info: bulk IN: max pkt size: %d, addr: %d\n",
le16_to_cpu(epd->wMaxPacketSize),
epd->bEndpointAddress);
card->rx_cmd_ep = usb_endpoint_num(epd);
atomic_set(&card->rx_cmd_urb_pending, 0);
}
if (usb_endpoint_dir_in(epd) &&
usb_endpoint_num(epd) == MWIFIEX_USB_EP_DATA &&
usb_endpoint_xfer_bulk(epd)) {
pr_debug("info: bulk IN: max pkt size: %d, addr: %d\n",
le16_to_cpu(epd->wMaxPacketSize),
epd->bEndpointAddress);
card->rx_data_ep = usb_endpoint_num(epd);
atomic_set(&card->rx_data_urb_pending, 0);
}
if (usb_endpoint_dir_out(epd) &&
usb_endpoint_num(epd) == MWIFIEX_USB_EP_DATA &&
usb_endpoint_xfer_bulk(epd)) {
pr_debug("info: bulk OUT: max pkt size: %d, addr: %d\n",
le16_to_cpu(epd->wMaxPacketSize),
epd->bEndpointAddress);
card->tx_data_ep = usb_endpoint_num(epd);
atomic_set(&card->tx_data_urb_pending, 0);
}
if (usb_endpoint_dir_out(epd) &&
usb_endpoint_num(epd) == MWIFIEX_USB_EP_CMD_EVENT &&
usb_endpoint_xfer_bulk(epd)) {
pr_debug("info: bulk OUT: max pkt size: %d, addr: %d\n",
le16_to_cpu(epd->wMaxPacketSize),
epd->bEndpointAddress);
card->tx_cmd_ep = usb_endpoint_num(epd);
atomic_set(&card->tx_cmd_urb_pending, 0);
card->bulk_out_maxpktsize =
le16_to_cpu(epd->wMaxPacketSize);
}
}
usb_set_intfdata(intf, card);
ret = mwifiex_add_card(card, &add_remove_card_sem, &usb_ops,
MWIFIEX_USB);
if (ret) {
pr_err("%s: mwifiex_add_card failed: %d\n", __func__, ret);
usb_reset_device(udev);
kfree(card);
return ret;
}
usb_get_dev(udev);
return 0;
}