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brcmfmac: Add wowl support for USB devices.

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This patch adds wowl support for USB bus devices. This feature
requires FW which has support for wowl built in.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Daniel (Deognyoun) Kim <dekim@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Hante Meuleman 2014-10-28 14:56:04 +01:00 committed by John W. Linville
parent edad187380
commit 244b124c6a
1 changed files with 39 additions and 10 deletions
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49
drivers/net/wireless/brcm80211/brcmfmac/usb.c
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@ -93,6 +93,8 @@ struct brcmf_usbdev_info {
u8 ifnum;
struct urb *bulk_urb; /* used for FW download */
bool wowl_enabled;
};
static void brcmf_usb_rx_refill(struct brcmf_usbdev_info *devinfo,
@ -600,6 +602,16 @@ static int brcmf_usb_up(struct device *dev)
return 0;
}
static void brcmf_cancel_all_urbs(struct brcmf_usbdev_info *devinfo)
{
if (devinfo->ctl_urb)
usb_kill_urb(devinfo->ctl_urb);
if (devinfo->bulk_urb)
usb_kill_urb(devinfo->bulk_urb);
brcmf_usb_free_q(&devinfo->tx_postq, true);
brcmf_usb_free_q(&devinfo->rx_postq, true);
}
static void brcmf_usb_down(struct device *dev)
{
struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev);
@ -613,14 +625,7 @@ static void brcmf_usb_down(struct device *dev)
brcmf_usb_state_change(devinfo, BRCMFMAC_USB_STATE_DOWN);
if (devinfo->ctl_urb)
usb_kill_urb(devinfo->ctl_urb);
if (devinfo->bulk_urb)
usb_kill_urb(devinfo->bulk_urb);
brcmf_usb_free_q(&devinfo->tx_postq, true);
brcmf_usb_free_q(&devinfo->rx_postq, true);
brcmf_cancel_all_urbs(devinfo);
}
static void
@ -1094,11 +1099,24 @@ error:
return NULL;
}
static void brcmf_usb_wowl_config(struct device *dev, bool enabled)
{
struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev);
brcmf_dbg(USB, "Configuring WOWL, enabled=%d\n", enabled);
devinfo->wowl_enabled = enabled;
if (enabled)
device_set_wakeup_enable(devinfo->dev, true);
else
device_set_wakeup_enable(devinfo->dev, false);
}
static struct brcmf_bus_ops brcmf_usb_bus_ops = {
.txdata = brcmf_usb_tx,
.stop = brcmf_usb_down,
.txctl = brcmf_usb_tx_ctlpkt,
.rxctl = brcmf_usb_rx_ctlpkt,
.wowl_config = brcmf_usb_wowl_config,
};
static int brcmf_usb_bus_setup(struct brcmf_usbdev_info *devinfo)
@ -1186,6 +1204,9 @@ static int brcmf_usb_probe_cb(struct brcmf_usbdev_info *devinfo)
bus->ops = &brcmf_usb_bus_ops;
bus->proto_type = BRCMF_PROTO_BCDC;
bus->always_use_fws_queue = true;
#ifdef CONFIG_PM
bus->wowl_supported = true;
#endif
if (!brcmf_usb_dlneeded(devinfo)) {
ret = brcmf_usb_bus_setup(devinfo);
@ -1339,7 +1360,10 @@ static int brcmf_usb_suspend(struct usb_interface *intf, pm_message_t state)
brcmf_dbg(USB, "Enter\n");
devinfo->bus_pub.state = BRCMFMAC_USB_STATE_SLEEP;
brcmf_detach(&usb->dev);
if (devinfo->wowl_enabled)
brcmf_cancel_all_urbs(devinfo);
else
brcmf_detach(&usb->dev);
return 0;
}
@ -1352,7 +1376,12 @@ static int brcmf_usb_resume(struct usb_interface *intf)
struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(&usb->dev);
brcmf_dbg(USB, "Enter\n");
return brcmf_usb_bus_setup(devinfo);
if (!devinfo->wowl_enabled)
return brcmf_usb_bus_setup(devinfo);
devinfo->bus_pub.state = BRCMFMAC_USB_STATE_UP;
brcmf_usb_rx_fill_all(devinfo);
return 0;
}
static int brcmf_usb_reset_resume(struct usb_interface *intf)