diff options
Diffstat (limited to 'hw/usb-desc.c')
| -rw-r--r-- | hw/usb-desc.c | 36 |
1 files changed, 33 insertions, 3 deletions
diff --git a/hw/usb-desc.c b/hw/usb-desc.c index 56ef734bde..f01e1cf43d 100644 --- a/hw/usb-desc.c +++ b/hw/usb-desc.c @@ -153,16 +153,46 @@ int usb_desc_other(const USBDescOther *desc, uint8_t *dest, size_t len) /* ------------------------------------------------------------------ */ -void usb_desc_init(USBDevice *dev) +static void usb_desc_setdefaults(USBDevice *dev) { const USBDesc *desc = dev->info->usb_desc; assert(desc != NULL); - dev->speed = USB_SPEED_FULL; - dev->device = desc->full; + switch (dev->speed) { + case USB_SPEED_LOW: + case USB_SPEED_FULL: + dev->device = desc->full; + break; + case USB_SPEED_HIGH: + dev->device = desc->high; + break; + } dev->config = dev->device->confs; } +void usb_desc_init(USBDevice *dev) +{ + dev->speed = USB_SPEED_FULL; + usb_desc_setdefaults(dev); +} + +void usb_desc_attach(USBDevice *dev) +{ + const USBDesc *desc = dev->info->usb_desc; + + assert(desc != NULL); + if (desc->high && (dev->port->speedmask & USB_SPEED_MASK_HIGH)) { + dev->speed = USB_SPEED_HIGH; + } else if (desc->full && (dev->port->speedmask & USB_SPEED_MASK_FULL)) { + dev->speed = USB_SPEED_FULL; + } else { + fprintf(stderr, "usb: port/device speed mismatch for \"%s\"\n", + dev->info->product_desc); + return; + } + usb_desc_setdefaults(dev); +} + void usb_desc_set_string(USBDevice *dev, uint8_t index, const char *str) { USBDescString *s; |