/*
*******************************************************************************
* sw_ohci_hcd_shutdown
*
* Description:
* void
*
* Parameters:
* void
*
* Return value:
* void
*
* note:
* void
*
*******************************************************************************
*/
void sw_ohci_hcd_shutdown(struct platform_device* pdev)
{
struct sw_hci_hcd *sw_ohci = NULL;
sw_ohci = pdev->dev.platform_data;
if(sw_ohci == NULL){
DMSG_PANIC("ERR: sw_ohci is null\n");
return ;
}
if(sw_ohci->probe == 0){
DMSG_PANIC("ERR: sw_ohci is disable, need not shutdown\n");
return ;
}
DMSG_INFO("[%s]: ohci shutdown start\n", sw_ohci->hci_name);
usb_hcd_platform_shutdown(pdev);
sw_stop_ohc(sw_ohci);
DMSG_INFO("[%s]: ohci shutdown end\n", sw_ohci->hci_name);
return;
}
/*
*******************************************************************************
* sw_ohci_hcd_suspend
*
* Description:
* void
*
* Parameters:
* void
*
* Return value:
* void
*
* note:
* void
*
*******************************************************************************
*/
static int sw_ohci_hcd_suspend(struct device *dev)
{
struct sw_hci_hcd *sw_ohci = NULL;
struct usb_hcd *hcd = NULL;
struct ohci_hcd *ohci = NULL;
unsigned long flags = 0;
int rc = 0;
if(dev == NULL){
DMSG_PANIC("ERR: Argment is invalid\n");
return 0;
}
hcd = dev_get_drvdata(dev);
if(hcd == NULL){
DMSG_PANIC("ERR: hcd is null\n");
return 0;
}
sw_ohci = dev->platform_data;
if(sw_ohci == NULL){
DMSG_PANIC("ERR: sw_ohci is null\n");
return 0;
}
if(sw_ohci->probe == 0){
DMSG_PANIC("ERR: sw_ohci is disable, can not suspend\n");
return 0;
}
ohci = hcd_to_ohci(hcd);
if(ohci == NULL){
DMSG_PANIC("ERR: ohci is null\n");
return 0;
}
DMSG_INFO("[%s]: sw_ohci_hcd_suspend\n", sw_ohci->hci_name);
/* Root hub was already suspended. Disable irq emission and
* mark HW unaccessible, bail out if RH has been resumed. Use
* the spinlock to properly synchronize with possible pending
* RH suspend or resume activity.
*
* This is still racy as hcd->state is manipulated outside of
* any locks =P But that will be a different fix.
*/
spin_lock_irqsave(&ohci->lock, flags);
ohci_writel(ohci, OHCI_INTR_MIE, &ohci->regs->intrdisable);
(void)ohci_readl(ohci, &ohci->regs->intrdisable);
clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
spin_unlock_irqrestore(&ohci->lock, flags);
sw_stop_ohc(sw_ohci);
return rc;
}
static int sw_ohci_hcd_remove(struct platform_device *pdev)
{
struct usb_hcd *hcd = NULL;
struct sw_hci_hcd *sw_ohci = NULL;
if(pdev == NULL){
DMSG_PANIC("ERR: Argment is invalid\n");
return -1;
}
hcd = platform_get_drvdata(pdev);
if(hcd == NULL){
DMSG_PANIC("ERR: hcd is null\n");
return -1;
}
sw_ohci = pdev->dev.platform_data;
if(sw_ohci == NULL){
DMSG_PANIC("ERR: sw_ohci is null\n");
return -1;
}
DMSG_INFO("[%s%d]: remove, pdev->name: %s, pdev->id: %d, sw_ohci: 0x%p\n",
ohci_name, sw_ohci->usbc_no, pdev->name, pdev->id, sw_ohci);
usb_remove_hcd(hcd);
sw_stop_ohc(sw_ohci);
sw_ohci->probe = 0;
usb_put_hcd(hcd);
sw_release_io_resource(pdev, sw_ohci);
sw_ohci->hcd = NULL;
if(sw_ohci->host_init_state){
g_sw_ohci[sw_ohci->usbc_no] = NULL;
}
platform_set_drvdata(pdev, NULL);
return 0;
}
void sw_ohci_hcd_shutdown(struct platform_device *pdev)
{
struct sw_hci_hcd *sw_ohci = NULL;
if (pdev == NULL)
return;
sw_ohci = pdev->dev.platform_data;
if (sw_ohci == NULL)
return;
if (sw_ohci->probe == 0)
return;
pr_info("[%s]: shutdown start\n", sw_ohci->hci_name);
usb_hcd_platform_shutdown(pdev);
sw_stop_ohc(sw_ohci);
pr_info("[%s]: shutdown end\n", sw_ohci->hci_name);
return;
}
static int sw_ohci_hcd_remove(struct platform_device *pdev)
{
struct usb_hcd *hcd = NULL;
struct sw_hci_hcd *sw_ohci = NULL;
if (pdev == NULL)
return -EINVAL;
hcd = platform_get_drvdata(pdev);
if (hcd == NULL)
return -ENODATA;
sw_ohci = pdev->dev.platform_data;
if (sw_ohci == NULL)
return -ENODATA;
pr_debug("[%s%d]: remove, pdev->name: %s, pdev->id: %d, sw_ohci:"
" 0x%p\n", SW_OHCI_NAME, sw_ohci->usbc_no, pdev->name, pdev->id,
sw_ohci);
usb_remove_hcd(hcd);
sw_stop_ohc(sw_ohci);
sw_ohci->probe = 0;
iounmap(hcd->regs);
usb_put_hcd(hcd);
sw_ohci->hcd = NULL;
if (sw_ohci->host_init_state)
g_sw_ohci[sw_ohci->usbc_no] = NULL;
platform_set_drvdata(pdev, NULL);
return 0;
}
