static void
brcmf_usb_disconnect_cb(struct brcmf_usbdev_info *devinfo)
{
if (!devinfo)
return;
brcmf_dbg(USB, "Enter, bus_pub %p\n", devinfo);
brcmf_detach(devinfo->dev);
kfree(devinfo->bus_pub.bus);
brcmf_usb_detach(devinfo);
}
static void
brcmf_usb_disconnect_cb(struct brcmf_usbdev *bus_pub)
{
if (!bus_pub)
return;
brcmf_dbg(TRACE, "enter: bus_pub %p\n", bus_pub);
brcmf_detach(bus_pub->devinfo->dev);
kfree(bus_pub->bus);
brcmf_usb_detach(bus_pub);
}
static int brcmf_usb_probe_cb(struct device *dev, const char *desc,
u32 bustype, u32 hdrlen)
{
struct brcmf_bus *bus = NULL;
struct brcmf_usbdev *bus_pub = NULL;
int ret;
bus_pub = brcmf_usb_attach(BRCMF_USB_NRXQ, BRCMF_USB_NTXQ, dev);
if (!bus_pub) {
ret = -ENODEV;
goto fail;
}
bus = kzalloc(sizeof(struct brcmf_bus), GFP_ATOMIC);
if (!bus) {
ret = -ENOMEM;
goto fail;
}
bus_pub->bus = bus;
bus->brcmf_bus_txdata = brcmf_usb_tx;
bus->brcmf_bus_init = brcmf_usb_up;
bus->brcmf_bus_stop = brcmf_usb_down;
bus->brcmf_bus_txctl = brcmf_usb_tx_ctlpkt;
bus->brcmf_bus_rxctl = brcmf_usb_rx_ctlpkt;
bus->type = bustype;
bus->bus_priv.usb = bus_pub;
dev_set_drvdata(dev, bus);
/* Attach to the common driver interface */
ret = brcmf_attach(hdrlen, dev);
if (ret) {
brcmf_dbg(ERROR, "dhd_attach failed\n");
goto fail;
}
ret = brcmf_bus_start(dev);
if (ret == -ENOLINK) {
brcmf_dbg(ERROR, "dongle is not responding\n");
brcmf_detach(dev);
goto fail;
}
return 0;
fail:
/* Release resources in reverse order */
if (bus_pub)
brcmf_usb_detach(bus_pub);
kfree(bus);
return ret;
}
/*
* only need to signal the bus being down and update the state.
*/
static int brcmf_usb_suspend(struct usb_interface *intf, pm_message_t state)
{
struct usb_device *usb = interface_to_usbdev(intf);
struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(&usb->dev);
brcmf_dbg(USB, "Enter\n");
devinfo->bus_pub.state = BRCMFMAC_USB_STATE_SLEEP;
if (devinfo->wowl_enabled)
brcmf_cancel_all_urbs(devinfo);
else
brcmf_detach(&usb->dev);
return 0;
}
int brcmf_attach(struct device *dev, struct brcmf_mp_device *settings)
{
struct brcmf_pub *drvr = NULL;
int ret = 0;
int i;
brcmf_dbg(TRACE, "Enter\n");
/* Allocate primary brcmf_info */
drvr = kzalloc(sizeof(struct brcmf_pub), GFP_ATOMIC);
if (!drvr)
return -ENOMEM;
for (i = 0; i < ARRAY_SIZE(drvr->if2bss); i++)
drvr->if2bss[i] = BRCMF_BSSIDX_INVALID;
mutex_init(&drvr->proto_block);
/* Link to bus module */
drvr->hdrlen = 0;
drvr->bus_if = dev_get_drvdata(dev);
drvr->bus_if->drvr = drvr;
drvr->settings = settings;
/* attach debug facilities */
brcmf_debug_attach(drvr);
/* Attach and link in the protocol */
ret = brcmf_proto_attach(drvr);
if (ret != 0) {
brcmf_err("brcmf_prot_attach failed\n");
goto fail;
}
/* attach firmware event handler */
brcmf_fweh_attach(drvr);
return ret;
fail:
brcmf_detach(dev);
return ret;
}
static void
brcmf_pcie_remove(struct pci_dev *pdev)
{
struct brcmf_pciedev_info *devinfo;
struct brcmf_bus *bus;
brcmf_dbg(PCIE, "Enter\n");
bus = dev_get_drvdata(&pdev->dev);
if (bus == NULL)
return;
devinfo = bus->bus_priv.pcie->devinfo;
devinfo->state = BRCMFMAC_PCIE_STATE_DOWN;
if (devinfo->ci)
brcmf_pcie_intr_disable(devinfo);
brcmf_detach(&pdev->dev);
kfree(bus->bus_priv.pcie);
kfree(bus->msgbuf->flowrings);
kfree(bus->msgbuf);
kfree(bus);
brcmf_pcie_release_irq(devinfo);
brcmf_pcie_release_scratchbuffers(devinfo);
brcmf_pcie_release_ringbuffers(devinfo);
brcmf_pcie_reset_device(devinfo);
brcmf_pcie_release_resource(devinfo);
if (devinfo->ci)
brcmf_chip_detach(devinfo->ci);
kfree(devinfo);
dev_set_drvdata(&pdev->dev, NULL);
}
static int brcmf_usb_bus_setup(struct brcmf_usbdev_info *devinfo)
{
int ret;
/* Attach to the common driver interface */
ret = brcmf_attach(devinfo->dev);
if (ret) {
brcmf_err("brcmf_attach failed\n");
return ret;
}
ret = brcmf_usb_up(devinfo->dev);
if (ret)
goto fail;
ret = brcmf_bus_start(devinfo->dev);
if (ret)
goto fail;
return 0;
fail:
brcmf_detach(devinfo->dev);
return ret;
}