static int
run_schedule (usbdev_t *dev, td_t *td)
{
UHCI_INST (dev->controller)->qh_data->elementlinkptr =
virt_to_phys (td) & ~(FLISTP_QH | FLISTP_TERMINATE);
td = wait_for_completed_qh (dev->controller,
UHCI_INST (dev->controller)->qh_data);
if (td == 0) {
return 0;
} else {
td_dump (td);
return 1;
}
}
static int
run_schedule (usbdev_t *dev, td_t *td)
{
UHCI_INST (dev->controller)->qh_data->elementlinkptr.ptr =
virt_to_phys (td);
UHCI_INST (dev->controller)->qh_data->elementlinkptr.queue_head = 0;
UHCI_INST (dev->controller)->qh_data->elementlinkptr.terminate = 0;
td = wait_for_completed_qh (dev->controller,
UHCI_INST (dev->controller)->qh_data);
if (td == 0) {
return 0;
} else {
td_dump (td);
return 1;
}
}
static int
uhci_control (usbdev_t *dev, direction_t dir, int drlen, void *devreq, int dalen,
unsigned char *data)
{
int endp = 0; /* this is control: always 0 */
int mlen = dev->endpoints[0].maxpacketsize;
int count = (2 + (dalen + mlen - 1) / mlen);
unsigned short req = ((unsigned short *) devreq)[0];
int i;
td_t *tds = memalign (16, sizeof (td_t) * count);
memset (tds, 0, sizeof (td_t) * count);
count--; /* to compensate for 0-indexed array */
for (i = 0; i < count; i++) {
tds[i].ptr = virt_to_phys (&tds[i + 1]) | TD_DEPTH_FIRST;
}
tds[count].ptr = 0 | TD_DEPTH_FIRST | TD_TERMINATE;
tds[0].token = UHCI_SETUP |
dev->address << TD_DEVADDR_SHIFT |
endp << TD_EP_SHIFT |
TD_TOGGLE_DATA0 |
maxlen(drlen) << TD_MAXLEN_SHIFT;
tds[0].bufptr = virt_to_phys (devreq);
tds[0].ctrlsts = (3 << TD_COUNTER_SHIFT) |
(dev->speed?TD_LOWSPEED:0) |
TD_STATUS_ACTIVE;
int toggle = 1;
for (i = 1; i < count; i++) {
switch (dir) {
case SETUP: tds[i].token = UHCI_SETUP; break;
case IN: tds[i].token = UHCI_IN; break;
case OUT: tds[i].token = UHCI_OUT; break;
}
tds[i].token |= dev->address << TD_DEVADDR_SHIFT |
endp << TD_EP_SHIFT |
maxlen (min (mlen, dalen)) << TD_MAXLEN_SHIFT |
toggle << TD_TOGGLE_SHIFT;
tds[i].bufptr = virt_to_phys (data);
tds[i].ctrlsts = (3 << TD_COUNTER_SHIFT) |
(dev->speed?TD_LOWSPEED:0) |
TD_STATUS_ACTIVE;
toggle ^= 1;
dalen -= mlen;
data += mlen;
}
tds[count].token = ((dir == OUT) ? UHCI_IN : UHCI_OUT) |
dev->address << TD_DEVADDR_SHIFT |
endp << TD_EP_SHIFT |
maxlen(0) << TD_MAXLEN_SHIFT |
TD_TOGGLE_DATA1;
tds[count].bufptr = 0;
tds[count].ctrlsts = (0 << TD_COUNTER_SHIFT) | /* as Linux 2.4.10 does */
(dev->speed?TD_LOWSPEED:0) |
TD_STATUS_ACTIVE;
UHCI_INST (dev->controller)->qh_data->elementlinkptr =
virt_to_phys (tds) & ~(FLISTP_QH | FLISTP_TERMINATE);
td_t *td = wait_for_completed_qh (dev->controller,
UHCI_INST (dev->controller)->
qh_data);
int result;
if (td == 0) {
result = 0;
} else {
usb_debug ("control packet, req %x\n", req);
td_dump (td);
result = 1;
}
free (tds);
return result;
}
static int
uhci_control (usbdev_t *dev, direction_t dir, int drlen, void *devreq, int dalen,
unsigned char *data)
{
int endp = 0; /* this is control: always 0 */
int mlen = dev->endpoints[0].maxpacketsize;
int count = (2 + (dalen + mlen - 1) / mlen);
unsigned short req = ((unsigned short *) devreq)[0];
int i;
td_t *tds = memalign (16, sizeof (td_t) * count);
memset (tds, 0, sizeof (td_t) * count);
count--; /* to compensate for 0-indexed array */
for (i = 0; i < count; i++) {
tds[i].ptr = virt_to_phys (&tds[i + 1]);
tds[i].depth_first = 1;
tds[i].terminate = 0;
}
tds[count].ptr = 0;
tds[count].depth_first = 1;
tds[count].terminate = 1;
tds[0].pid = UHCI_SETUP;
tds[0].dev_addr = dev->address;
tds[0].endp = endp;
tds[0].maxlen = maxlen (drlen);
tds[0].counter = 3;
tds[0].data_toggle = 0;
tds[0].lowspeed = dev->speed;
tds[0].bufptr = virt_to_phys (devreq);
tds[0].status_active = 1;
int toggle = 1;
for (i = 1; i < count; i++) {
switch (dir) {
case SETUP: tds[i].pid = UHCI_SETUP; break;
case IN: tds[i].pid = UHCI_IN; break;
case OUT: tds[i].pid = UHCI_OUT; break;
}
tds[i].dev_addr = dev->address;
tds[i].endp = endp;
tds[i].maxlen = maxlen (min (mlen, dalen));
tds[i].counter = 3;
tds[i].data_toggle = toggle;
tds[i].lowspeed = dev->speed;
tds[i].bufptr = virt_to_phys (data);
tds[i].status_active = 1;
toggle ^= 1;
dalen -= mlen;
data += mlen;
}
tds[count].pid = (dir == OUT) ? UHCI_IN : UHCI_OUT;
tds[count].dev_addr = dev->address;
tds[count].endp = endp;
tds[count].maxlen = maxlen (0);
tds[count].counter = 0; /* as per linux 2.4.10 */
tds[count].data_toggle = 1;
tds[count].lowspeed = dev->speed;
tds[count].bufptr = 0;
tds[count].status_active = 1;
UHCI_INST (dev->controller)->qh_data->elementlinkptr.ptr =
virt_to_phys (tds);
UHCI_INST (dev->controller)->qh_data->elementlinkptr.queue_head = 0;
UHCI_INST (dev->controller)->qh_data->elementlinkptr.terminate = 0;
td_t *td = wait_for_completed_qh (dev->controller,
UHCI_INST (dev->controller)->
qh_data);
int result;
if (td == 0) {
result = 0;
} else {
debug ("control packet, req %x\n", req);
td_dump (td);
result = 1;
}
free (tds);
return result;
}