/*****************************************************************
*
* Function Name: hc_reset
*
* This function does register test and resets the SL811HS
* controller.
*
* Input: hci = data structure for the host controller
*
* Return value : 0
*
*****************************************************************/
static int hc_reset (hci_t * hci)
{
int attachFlag = 0;
DBGFUNC ("Enter hc_reset\n");
regTest (hci);
attachFlag = USBReset (hci);
if (attachFlag) {
setPortChange (hci, PORT_CONNECT_CHANGE);
}
return (0);
}
/***************************************************************************
* Function Name : rh_submit_urb
*
* This function handles all USB request to the the virtual root hub
*
* Input: urb = USB request block
*
* Return: 0
**************************************************************************/
static int rh_submit_urb (struct urb * urb)
{
struct usb_device *usb_dev = urb->dev;
hci_t *hci = usb_dev->bus->hcpriv;
unsigned int pipe = urb->pipe;
struct usb_ctrlrequest *cmd = (struct usb_ctrlrequest *) urb->setup_packet;
void *data = urb->transfer_buffer;
int leni = urb->transfer_buffer_length;
int len = 0;
int status = TD_CC_NOERROR;
__u32 datab[4];
__u8 *data_buf = (__u8 *) datab;
__u16 bmRType_bReq;
__u16 wValue;
__u16 wIndex;
__u16 wLength;
DBGFUNC ("enter rh_submit_urb\n");
if (usb_pipeint (pipe)) {
hci->rh.urb = urb;
hci->rh.send = 1;
hci->rh.interval = urb->interval;
rh_init_int_timer (urb);
urb->status = cc_to_error (TD_CC_NOERROR);
return 0;
}
bmRType_bReq = cmd->bRequestType | (cmd->bRequest << 8);
wValue = le16_to_cpu (cmd->wValue);
wIndex = le16_to_cpu (cmd->wIndex);
wLength = le16_to_cpu (cmd->wLength);
DBG ("rh_submit_urb, req = %d(%x) len=%d",
bmRType_bReq, bmRType_bReq, wLength);
switch (bmRType_bReq) {
/* Request Destination:
without flags: Device,
RH_INTERFACE: interface,
RH_ENDPOINT: endpoint,
RH_CLASS means HUB here,
RH_OTHER | RH_CLASS almost ever means HUB_PORT here
*/
case RH_GET_STATUS:
*(__u16 *) data_buf = cpu_to_le16 (1);
OK (2);
case RH_GET_STATUS | RH_INTERFACE:
*(__u16 *) data_buf = cpu_to_le16 (0);
OK (2);
case RH_GET_STATUS | RH_ENDPOINT:
*(__u16 *) data_buf = cpu_to_le16 (0);
OK (2);
case RH_GET_STATUS | RH_CLASS:
*(__u32 *) data_buf = cpu_to_le32 (0);
OK (4);
case RH_GET_STATUS | RH_OTHER | RH_CLASS:
*(__u32 *) data_buf =
cpu_to_le32 (getPortStatusAndChange (hci));
OK (4);
case RH_CLEAR_FEATURE | RH_ENDPOINT:
switch (wValue) {
case (RH_ENDPOINT_STALL):
OK (0);
}
break;
case RH_CLEAR_FEATURE | RH_CLASS:
switch (wValue) {
case RH_C_HUB_LOCAL_POWER:
OK (0);
case (RH_C_HUB_OVER_CURRENT):
/* Over Current Not Implemented */
OK (0);
}
break;
case RH_CLEAR_FEATURE | RH_OTHER | RH_CLASS:
switch (wValue) {
case (RH_PORT_ENABLE):
clrPortStatus (hci, PORT_ENABLE_STAT);
OK (0);
case (RH_PORT_SUSPEND):
clrPortStatus (hci, PORT_SUSPEND_STAT);
OK (0);
case (RH_PORT_POWER):
clrPortStatus (hci, PORT_POWER_STAT);
OK (0);
case (RH_C_PORT_CONNECTION):
clrPortChange (hci, PORT_CONNECT_STAT);
OK (0);
case (RH_C_PORT_ENABLE):
clrPortChange (hci, PORT_ENABLE_STAT);
OK (0);
case (RH_C_PORT_SUSPEND):
clrPortChange (hci, PORT_SUSPEND_STAT);
OK (0);
case (RH_C_PORT_OVER_CURRENT):
clrPortChange (hci, PORT_OVER_CURRENT_STAT);
OK (0);
case (RH_C_PORT_RESET):
clrPortChange (hci, PORT_RESET_STAT);
OK (0);
}
break;
case RH_SET_FEATURE | RH_OTHER | RH_CLASS:
switch (wValue) {
case (RH_PORT_SUSPEND):
setPortStatus (hci, PORT_SUSPEND_STAT);
OK (0);
case (RH_PORT_RESET):
setPortStatus (hci, PORT_RESET_STAT);
// USBReset(hci);
clrPortChange (hci,
PORT_CONNECT_CHANGE | PORT_ENABLE_CHANGE
| PORT_SUSPEND_CHANGE |
PORT_OVER_CURRENT_CHANGE);
setPortChange (hci, PORT_RESET_CHANGE);
clrPortStatus (hci, PORT_RESET_STAT);
setPortStatus (hci, PORT_ENABLE_STAT);
OK (0);
case (RH_PORT_POWER):
setPortStatus (hci, PORT_POWER_STAT);
OK (0);
case (RH_PORT_ENABLE):
setPortStatus (hci, PORT_ENABLE_STAT);
OK (0);
}
break;
case RH_SET_ADDRESS:
hci->rh.devnum = wValue;
OK (0);
case RH_GET_DESCRIPTOR:
DBGVERBOSE ("rh_submit_urb: RH_GET_DESCRIPTOR, wValue = 0x%x\n", wValue);
switch ((wValue & 0xff00) >> 8) {
case (0x01): /* device descriptor */
len = min (leni, min ((__u16)sizeof (root_hub_dev_des), wLength));
data_buf = root_hub_dev_des;
OK (len);
case (0x02): /* configuration descriptor */
len = min (leni, min ((__u16)sizeof (root_hub_config_des), wLength));
data_buf = root_hub_config_des;
OK (len);
case (0x03): /* string descriptors */
len = root_hub_string (wValue & 0xff, (int) (long) 0,
"SL811HS", data, wLength);
if (len > 0) {
data_buf = data;
OK (min (leni, len));
}
default:
status = SL11H_STATMASK_STALL;
}
break;
case RH_GET_DESCRIPTOR | RH_CLASS:
data_buf[0] = 9; // min length;
data_buf[1] = 0x29;
data_buf[2] = 1; // # of downstream port
data_buf[3] = 0;
datab[1] = 0;
data_buf[5] = 50; // 100 ms for port reset
data_buf[7] = 0xfc; // which port is attachable
if (data_buf[2] < 7) {
data_buf[8] = 0xff;
} else {
}
len = min (leni, min ((__u16)data_buf[0], wLength));
OK (len);
case RH_GET_CONFIGURATION:
*(__u8 *) data_buf = 0x01;
OK (1);
case RH_SET_CONFIGURATION:
OK (0);
default:
DBGERR ("unsupported root hub command");
status = SL11H_STATMASK_STALL;
}
len = min (len, leni);
if (data != data_buf)
memcpy (data, data_buf, len);
urb->actual_length = len;
urb->status = cc_to_error (status);
urb->hcpriv = NULL;
urb->dev = NULL;
if (urb->complete) {
urb->complete (urb, NULL);
}
return 0;
}
