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Add a reset device command to ugen.c.

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This is needed to make some devices work that require a firmware upload
and a USB reset afterwards.
This commit is contained in:
Nick Hibma 2008-11-13 21:34:34 +00:00
parent 279d93aa23
commit ab72d59941
5 changed files with 19 additions and 10 deletions
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10
sys/dev/usb/ugen.c
View File

@ -1059,8 +1059,8 @@ ugen_isoc_rintr(usbd_xfer_handle xfer, usbd_private_handle addr,
sce->cur += count;
if(sce->cur >= sce->limit)
sce->cur = sce->ibuf + (sce->limit - sce->cur);
DPRINTFN(5, ("ugen_isoc_rintr: throwing away %d bytes\n",
count));
DPRINTF(("ugen_isoc_rintr: throwing away %d bytes\n",
count));
}
isize = UGETW(sce->edesc->wMaxPacketSize);
@ -1427,7 +1427,6 @@ ugen_do_ioctl(struct ugen_softc *sc, int endpt, u_long cmd,
struct iovec iov;
struct uio uio;
void *ptr = 0;
usbd_status err;
int error = 0;
if (!(flag & FWRITE))
@ -1485,6 +1484,11 @@ ugen_do_ioctl(struct ugen_softc *sc, int endpt, u_long cmd,
usbd_fill_deviceinfo(sc->sc_udev,
(struct usb_device_info *)addr, 1);
break;
case USB_RESET_DEVICE:
err = usbd_reset_device(sc->sc_udev);
if (err)
return EIO;
break;
default:
return (EINVAL);
}

1
sys/dev/usb/usb.h
View File

@ -699,6 +699,7 @@ struct usb_event {
#define USB_GET_DEVICEINFO _IOR ('U', 112, struct usb_device_info)
#define USB_SET_SHORT_XFER _IOW ('U', 113, int)
#define USB_SET_TIMEOUT _IOW ('U', 114, int)
#define USB_RESET_DEVICE _IO ('U', 115)
/* Modem device */
#define USB_GET_CM_OVER_DATA _IOR ('U', 130, int)

8
sys/dev/usb/usb_subr.c
View File

@ -322,16 +322,10 @@ usbd_delay_ms(usbd_device_handle dev, u_int ms)
usbd_status
usbd_reset_port(usbd_device_handle dev, int port, usb_port_status_t *ps)
{
usb_device_request_t req;
usbd_status err;
int n;
req.bmRequestType = UT_WRITE_CLASS_OTHER;
req.bRequest = UR_SET_FEATURE;
USETW(req.wValue, UHF_PORT_RESET);
USETW(req.wIndex, port);
USETW(req.wLength, 0);
err = usbd_do_request(dev, &req, 0);
err = usbd_set_port_feature(dev, port, UHF_PORT_RESET);
DPRINTFN(1,("usbd_reset_port: port %d reset done, error=%s\n",
port, usbd_errstr(err)));
if (err)

9
sys/dev/usb/usbdi.c
View File

@ -1235,6 +1235,15 @@ usbd_set_polling(usbd_device_handle dev, int on)
dev->bus->methods->soft_intr(dev->bus);
}
usbd_status
usbd_reset_device(usbd_device_handle dev)
{
usbd_device_handle parent = dev->myhub;
struct usbd_port *up = dev->powersrc;
return usbd_reset_port(parent, up->portno, &up->status);
}
usb_endpoint_descriptor_t *
usbd_get_endpoint_descriptor(usbd_interface_handle iface, u_int8_t address)

1
sys/dev/usb/usbdi.h
View File

@ -160,6 +160,7 @@ usb_endpoint_descriptor_t *usbd_find_edesc(usb_config_descriptor_t *,
void usbd_dopoll(usbd_interface_handle);
void usbd_set_polling(usbd_device_handle, int);
usbd_status usbd_reset_device(usbd_device_handle);
const char *usbd_errstr(usbd_status);