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usb-ehci: switch to usb_find_device()

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Switch over EHCI to use the new usb_find_device()
function for device lookup.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2012-01-10 17:46:15 +01:00
parent 461700c1dc
commit 828143c621
1 changed files with 29 additions and 40 deletions
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57
hw/usb-ehci.c
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@ -850,6 +850,26 @@ static int ehci_register_companion(USBBus *bus, USBPort *ports[],
return 0;
}
static USBDevice *ehci_find_device(EHCIState *ehci, uint8_t addr)
{
USBDevice *dev;
USBPort *port;
int i;
for (i = 0; i < NB_PORTS; i++) {
port = &ehci->ports[i];
if (!(ehci->portsc[i] & PORTSC_PED)) {
DPRINTF("Port %d not enabled\n", i);
continue;
}
dev = usb_find_device(port, addr);
if (dev != NULL) {
return dev;
}
}
return NULL;
}
/* 4.1 host controller initialization */
static void ehci_reset(void *opaque)
{
@ -1336,10 +1356,8 @@ err:
static int ehci_execute(EHCIQueue *q)
{
USBPort *port;
USBDevice *dev;
int ret;
int i;
int endp;
int devadr;
@ -1375,28 +1393,13 @@ static int ehci_execute(EHCIQueue *q)
usb_packet_map(&q->packet, &q->sgl);
// TO-DO: associating device with ehci port
for(i = 0; i < NB_PORTS; i++) {
port = &q->ehci->ports[i];
dev = port->dev;
if (!(q->ehci->portsc[i] &(PORTSC_CONNECT))) {
DPRINTF("Port %d, no exec, not connected(%08X)\n",
i, q->ehci->portsc[i]);
continue;
}
dev = ehci_find_device(q->ehci, q->packet.devaddr);
ret = usb_handle_packet(dev, &q->packet);
DPRINTF("submit: qh %x next %x qtd %x pid %x len %zd "
"(total %d) endp %x ret %d\n",
q->qhaddr, q->qh.next, q->qtdaddr, q->pid,
q->packet.iov.size, q->tbytes, endp, ret);
if (ret != USB_RET_NODEV) {
break;
}
}
if (ret > BUFF_SIZE) {
fprintf(stderr, "ret from usb_handle_packet > BUFF_SIZE\n");
return USB_RET_PROCERR;
@ -1411,10 +1414,9 @@ static int ehci_execute(EHCIQueue *q)
static int ehci_process_itd(EHCIState *ehci,
EHCIitd *itd)
{
USBPort *port;
USBDevice *dev;
int ret;
uint32_t i, j, len, pid, dir, devaddr, endp;
uint32_t i, len, pid, dir, devaddr, endp;
uint32_t pg, off, ptr1, ptr2, max, mult;
dir =(itd->bufptr[1] & ITD_BUFPTR_DIRECTION);
@ -1455,22 +1457,9 @@ static int ehci_process_itd(EHCIState *ehci,
usb_packet_setup(&ehci->ipacket, pid, devaddr, endp);
usb_packet_map(&ehci->ipacket, &ehci->isgl);
ret = USB_RET_NODEV;
for (j = 0; j < NB_PORTS; j++) {
port = &ehci->ports[j];
dev = port->dev;
if (!(ehci->portsc[j] &(PORTSC_CONNECT))) {
continue;
}
dev = ehci_find_device(ehci, ehci->ipacket.devaddr);
ret = usb_handle_packet(dev, &ehci->ipacket);
if (ret != USB_RET_NODEV) {
break;
}
}
usb_packet_unmap(&ehci->ipacket);
qemu_sglist_destroy(&ehci->isgl);