motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-03 15:53:54 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

usb: add max_packet_size to USBEndpoint

Browse source 
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2011-08-31 16:09:27 +02:00
parent 5b6780d045
commit f003397ce9
4 changed files with 44 additions and 30 deletions
Download patch file Download diff file Expand all files Collapse all files

37
hw/usb.c
View file

@ -449,8 +449,9 @@ void usb_ep_dump(USBDevice *dev)
fprintf(stderr, " Interface %d, alternative %d\n",
ifnum, dev->altsetting[ifnum]);
}
fprintf(stderr, " Endpoint %d, IN, %s\n", ep,
tname[dev->ep_in[ep].type]);
fprintf(stderr, " Endpoint %d, IN, %s, %d max\n", ep,
tname[dev->ep_in[ep].type],
dev->ep_in[ep].max_packet_size);
}
if (dev->ep_out[ep].type != USB_ENDPOINT_XFER_INVALID &&
dev->ep_out[ep].ifnum == ifnum) {
@ -459,8 +460,9 @@ void usb_ep_dump(USBDevice *dev)
fprintf(stderr, " Interface %d, alternative %d\n",
ifnum, dev->altsetting[ifnum]);
}
fprintf(stderr, " Endpoint %d, OUT, %s\n", ep,
tname[dev->ep_out[ep].type]);
fprintf(stderr, " Endpoint %d, OUT, %s, %d max\n", ep,
tname[dev->ep_out[ep].type],
dev->ep_out[ep].max_packet_size);
}
}
}
@ -498,3 +500,30 @@ void usb_ep_set_ifnum(USBDevice *dev, int pid, int ep, uint8_t ifnum)
struct USBEndpoint *uep = usb_ep_get(dev, pid, ep);
uep->ifnum = ifnum;
}
void usb_ep_set_max_packet_size(USBDevice *dev, int pid, int ep,
uint16_t raw)
{
struct USBEndpoint *uep = usb_ep_get(dev, pid, ep);
int size, microframes;
size = raw & 0x7ff;
switch ((raw >> 11) & 3) {
case 1:
microframes = 2;
break;
case 2:
microframes = 3;
break;
default:
microframes = 1;
break;
}
uep->max_packet_size = size * microframes;
}
int usb_ep_get_max_packet_size(USBDevice *dev, int pid, int ep)
{
struct USBEndpoint *uep = usb_ep_get(dev, pid, ep);
return uep->max_packet_size;
}