/*
*******************************************************************************
* sw_ehci_hcd_shutdown
*
* Description:
* void
*
* Parameters:
* void
*
* Return value:
* void
*
* note:
* void
*
*******************************************************************************
*/
void sw_ehci_hcd_shutdown(struct platform_device* pdev)
{
struct sw_hci_hcd *sw_ehci = NULL;
if(pdev == NULL){
DMSG_PANIC("ERR: Argment is invalid\n");
return;
}
sw_ehci = pdev->dev.platform_data;
if(sw_ehci == NULL){
DMSG_PANIC("ERR: sw_ehci is null\n");
return;
}
if(sw_ehci->probe == 0){
DMSG_PANIC("ERR: sw_ehci is disable, need not shutdown\n");
return;
}
DMSG_INFO("[%s]: ehci shutdown start\n", sw_ehci->hci_name);
usb_hcd_platform_shutdown(pdev);
sw_stop_ehci(sw_ehci);
DMSG_INFO("[%s]: ehci shutdown end\n", sw_ehci->hci_name);
return ;
}
/*
*******************************************************************************
* sw_ehci_hcd_suspend
*
* Description:
* void
*
* Parameters:
* void
*
* Return value:
* void
*
* note:
* void
*
*******************************************************************************
*/
static int sw_ehci_hcd_suspend(struct device *dev)
{
struct sw_hci_hcd *sw_ehci = NULL;
struct usb_hcd *hcd = NULL;
struct ehci_hcd *ehci = NULL;
unsigned long flags = 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_ehci = dev->platform_data;
if(sw_ehci == NULL){
DMSG_PANIC("ERR: sw_ehci is null\n");
return 0;
}
if(sw_ehci->probe == 0){
DMSG_PANIC("ERR: sw_ehci is disable, can not suspend\n");
return 0;
}
ehci = hcd_to_ehci(hcd);
if(ehci == NULL){
DMSG_PANIC("ERR: ehci is null\n");
return 0;
}
DMSG_INFO("[%s]: sw_ehci_hcd_suspend\n", sw_ehci->hci_name);
spin_lock_irqsave(&ehci->lock, flags);
ehci_prepare_ports_for_controller_suspend(ehci, device_may_wakeup(dev));
ehci_writel(ehci, 0, &ehci->regs->intr_enable);
(void)ehci_readl(ehci, &ehci->regs->intr_enable);
clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
spin_unlock_irqrestore(&ehci->lock, flags);
sw_stop_ehci(sw_ehci);
return 0;
}
/*
*******************************************************************************
* sw_ehci_hcd_remove
*
* Description:
* void
*
* Parameters:
* void
*
* Return value:
* void
*
* note:
* void
*
*******************************************************************************
*/
static int sw_ehci_hcd_remove(struct platform_device *pdev)
{
struct usb_hcd *hcd = NULL;
struct sw_hci_hcd *sw_ehci = 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_ehci = pdev->dev.platform_data;
if(sw_ehci == NULL){
DMSG_PANIC("ERR: sw_ehci is null\n");
return -1;
}
DMSG_INFO("[%s%d]: remove, pdev->name: %s, pdev->id: %d, sw_ehci: 0x%p\n",
ehci_name, sw_ehci->usbc_no, pdev->name, pdev->id, sw_ehci);
usb_remove_hcd(hcd);
sw_release_io_resource(pdev, sw_ehci);
usb_put_hcd(hcd);
sw_stop_ehci(sw_ehci);
sw_ehci->probe = 0;
sw_ehci->hcd = NULL;
if(sw_ehci->host_init_state){
g_sw_ehci[sw_ehci->usbc_no] = NULL;
}
platform_set_drvdata(pdev, NULL);
return 0;
}
void sw_ehci_hcd_shutdown(struct platform_device *pdev)
{
struct sw_hci_hcd *sw_ehci = NULL;
if (pdev == NULL)
return;
sw_ehci = pdev->dev.platform_data;
if (sw_ehci == NULL)
return;
if (sw_ehci->probe == 0)
return;
pr_info("[%s]: shutdown start\n", sw_ehci->hci_name);
usb_hcd_platform_shutdown(pdev);
sw_stop_ehci(sw_ehci);
pr_info("[%s]: shutdown end\n", sw_ehci->hci_name);
return;
}
static int sw_ehci_hcd_suspend(struct device *dev)
{
struct sw_hci_hcd *sw_ehci = NULL;
struct usb_hcd *hcd = NULL;
struct ehci_hcd *ehci = NULL;
unsigned long flags = 0;
if (dev == NULL)
return 0;
hcd = dev_get_drvdata(dev);
if (hcd == NULL)
return 0;
sw_ehci = dev->platform_data;
if (sw_ehci == NULL)
return 0;
if (sw_ehci->probe == 0)
return 0;
ehci = hcd_to_ehci(hcd);
if (ehci == NULL)
return 0;
pr_info("[%s]: suspend\n", sw_ehci->hci_name);
spin_lock_irqsave(&ehci->lock, flags);
ehci_prepare_ports_for_controller_suspend(ehci, device_may_wakeup(dev));
ehci_writel(ehci, 0, &ehci->regs->intr_enable);
(void)ehci_readl(ehci, &ehci->regs->intr_enable);
clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
spin_unlock_irqrestore(&ehci->lock, flags);
sw_stop_ehci(sw_ehci);
return 0;
}
static int sw_ehci_hcd_remove(struct platform_device *pdev)
{
struct usb_hcd *hcd = NULL;
struct sw_hci_hcd *sw_ehci = NULL;
if (pdev == NULL)
return -EINVAL;
hcd = platform_get_drvdata(pdev);
if (hcd == NULL)
return -ENODATA;
sw_ehci = pdev->dev.platform_data;
if (sw_ehci == NULL)
return -ENODATA;
pr_debug("[%s%d]: remove, pdev->name: %s, pdev->id: %d, sw_ehci:"
" 0x%p\n", SW_EHCI_NAME, sw_ehci->usbc_no, pdev->name, pdev->id,
sw_ehci);
usb_remove_hcd(hcd);
sw_release_io_resource(pdev, sw_ehci);
usb_put_hcd(hcd);
sw_stop_ehci(sw_ehci);
sw_ehci->probe = 0;
sw_ehci->hcd = NULL;
if (sw_ehci->host_init_state)
g_sw_ehci[sw_ehci->usbc_no] = NULL;
platform_set_drvdata(pdev, NULL);
return 0;
}
