static irqreturn_t tegra_ehci_irq (struct usb_hcd *hcd)
{
struct ehci_hcd *ehci = hcd_to_ehci (hcd);
struct ehci_regs __iomem *hw = ehci->regs;
struct tegra_ehci_hcd *tegra = dev_get_drvdata(hcd->self.controller);
u32 val;
/* Fence read for coherency of AHB master intiated writes */
if (tegra->phy->instance == 0)
readb(IO_ADDRESS(IO_PPCS_PHYS + USB1_PREFETCH_ID));
else if (tegra->phy->instance == 1)
readb(IO_ADDRESS(IO_PPCS_PHYS + USB2_PREFETCH_ID));
else if (tegra->phy->instance == 2)
readb(IO_ADDRESS(IO_PPCS_PHYS + USB3_PREFETCH_ID));
if ((tegra->phy->usb_phy_type == TEGRA_USB_PHY_TYPE_UTMIP) &&
(tegra->ehci->has_hostpc)) {
/* check if there is any remote wake event */
if (tegra_usb_phy_is_remotewake_detected(tegra->phy)) {
spin_lock (&ehci->lock);
usb_hcd_resume_root_hub(hcd);
spin_unlock (&ehci->lock);
}
}
if (tegra->phy->hotplug) {
spin_lock(&ehci->lock);
val = readl(hcd->regs + TEGRA_USB_SUSP_CTRL_OFFSET);
if ((val & TEGRA_USB_PHY_CLK_VALID_INT_STS)) {
val &= ~TEGRA_USB_PHY_CLK_VALID_INT_ENB |
TEGRA_USB_PHY_CLK_VALID_INT_STS;
writel(val , (hcd->regs + TEGRA_USB_SUSP_CTRL_OFFSET));
val = readl(&hw->status);
if (!(val & STS_PCD)) {
spin_unlock(&ehci->lock);
return 0;
}
val = readl(hcd->regs + TEGRA_USB_PORTSC1_OFFSET);
val &= ~(TEGRA_USB_PORTSC1_WKCN | PORT_RWC_BITS);
writel(val , (hcd->regs + TEGRA_USB_PORTSC1_OFFSET));
}
spin_unlock(&ehci->lock);
}
return ehci_irq(hcd);
}
static irqreturn_t tegra_ehci_irq (struct usb_hcd *hcd)
{
struct ehci_hcd *ehci = hcd_to_ehci (hcd);
struct tegra_ehci_hcd *tegra = dev_get_drvdata(hcd->self.controller);
struct ehci_regs __iomem *hw = ehci->regs;
u32 val;
//(weron) if receive more than 100 interrupt during usb resume, it means 3G module already crazy
//Here we disable USB interrupt and recover later
if (tegra->phy->instance == 1)
{
if(my_resume_process==1)
{
count++;
if(count>100)
{
printk("I am crazy!!!\n");
ehci_writel(tegra->ehci, 0, &tegra->ehci->regs->intr_enable);
count=0;
crazyflag=1;
}
}
else
count=0;
}
if (tegra->phy->instance == 2) {
spin_lock(&ehci->lock);
val = readl(hcd->regs + TEGRA_USB_SUSP_CTRL_OFFSET);
if ((val & TEGRA_USB_PHY_CLK_VALID_INT_STS)) {
val &= ~TEGRA_USB_PHY_CLK_VALID_INT_ENB | TEGRA_USB_PHY_CLK_VALID_INT_STS;
writel(val , (hcd->regs + TEGRA_USB_SUSP_CTRL_OFFSET));
val = readl(hcd->regs + TEGRA_USB_PORTSC1_OFFSET);
val &= ~(TEGRA_USB_PORTSC1_WKCN | PORT_CSC | PORT_PEC | PORT_OCC);
writel(val , (hcd->regs + TEGRA_USB_PORTSC1_OFFSET));
val = readl(&hw->status);
if (!(val & STS_PCD)) {
spin_unlock(&ehci->lock);
return IRQ_NONE;
}
}
spin_unlock (&ehci->lock);
}
return ehci_irq(hcd);
}
static irqreturn_t ehci_msp_irq(struct usb_hcd *hcd)
{
u32 int_src;
struct device *dev = hcd->self.controller;
struct platform_device *pdev;
struct mspusb_device *mdev;
struct ehci_hcd *ehci = hcd_to_ehci(hcd);
pdev = to_platform_device(dev);
mdev = to_mspusb_device(pdev);
int_src = ehci_readl(ehci, &mdev->mab_regs->int_stat);
if (int_src & (1 << pdev->id))
return ehci_irq(hcd);
return IRQ_NONE;
}
/*
* Wrapper around the main ehci_irq. Since both USB host controllers are
* sharing the same IRQ, need to first determine whether we're the intended
* recipient of this interrupt.
*/
static irqreturn_t ehci_msp_irq(struct usb_hcd *hcd)
{
u32 int_src;
struct device *dev = hcd->self.controller;
struct platform_device *pdev;
struct mspusb_device *mdev;
struct ehci_hcd *ehci = hcd_to_ehci(hcd);
/* need to reverse-map a couple of containers to get our device */
pdev = to_platform_device(dev);
mdev = to_mspusb_device(pdev);
/* Check to see if this interrupt is for this host controller */
int_src = ehci_readl(ehci, &mdev->mab_regs->int_stat);
if (int_src & (1 << pdev->id))
return ehci_irq(hcd);
/* Not for this device */
return IRQ_NONE;
}
static irqreturn_t msm_ehci_irq(struct usb_hcd *hcd)
{
struct msm_hcd *mhcd = hcd_to_mhcd(hcd);
int ret = 0;
if (atomic_read(&mhcd->in_lpm)) {
dev_dbg(mhcd->dev, "phy async intr\n");
ret = pm_runtime_get(mhcd->dev);
if ((ret == 1) || (ret == -EINPROGRESS)) {
pm_runtime_put_noidle(mhcd->dev);
} else {
disable_irq_nosync(hcd->irq);
mhcd->async_int = true;
}
return IRQ_HANDLED;
}
return ehci_irq(hcd);
}
void tegra_ehci_enable_host (struct usb_hcd *hcd)
{
struct ehci_hcd *ehci = hcd_to_ehci (hcd);
unsigned long flags;
spin_lock_irqsave (&ehci->lock, flags);
if (ehci->transceiver->state == OTG_STATE_A_HOST) {
if (!ehci->host_reinited) {
schedule_work(&ehci->irq_work);
spin_unlock_irqrestore (&ehci->lock, flags);
return;
} else
printk(KERN_DEBUG "%s host initialized already\n", __func__);
} else if (ehci->transceiver->state == OTG_STATE_A_SUSPEND) {
if (!ehci->host_reinited) {
printk(KERN_DEBUG "%s host not initialized\n", __func__);
spin_unlock_irqrestore (&ehci->lock, flags);
return;
}
else {
/* Force the disconnect because otherwise we could get
* left in the connected state if the last getPorStatus
* request comes in before the HOST -> SUSPEND state
* change. */
spin_unlock_irqrestore (&ehci->lock, flags);
/* indicate hcd flags, that hardware is not accessible now */
clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
ehci_halt(ehci);
tegra_ehci_power_down(hcd);
ehci->transceiver->state = OTG_STATE_UNDEFINED;
ehci->host_reinited = 0;
return;
}
} else
printk(KERN_DEBUG "%s unexpected state\n", __func__);
spin_unlock_irqrestore (&ehci->lock, flags);
ehci_irq(hcd);
return;
}
static irqreturn_t msm_hsic_irq(struct usb_hcd *hcd)
{
struct ehci_hcd *ehci = hcd_to_ehci(hcd);
struct msm_hsic_hcd *mehci = hcd_to_hsic(hcd);
u32 status;
if (atomic_read(&mehci->in_lpm)) {
disable_irq_nosync(hcd->irq);
dev_dbg(mehci->dev, "phy async intr\n");
mehci->async_int = true;
pm_runtime_get(mehci->dev);
return IRQ_HANDLED;
}
status = ehci_readl(ehci, &ehci->regs->status);
if (status & STS_GPTIMER0_INTERRUPT) {
int timeleft;
dbg_log_event(NULL, "FPR: gpt0_isr", 0);
timeleft = GPT_CNT(ehci_readl(ehci,
&mehci->timer->gptimer1_ctrl));
if (timeleft) {
ehci_writel(ehci, ehci_readl(ehci,
&ehci->regs->command) | CMD_RUN,
&ehci->regs->command);
} else
mehci->resume_again = 1;
dbg_log_event(NULL, "FPR: timeleft", timeleft);
complete(&mehci->gpt0_completion);
ehci_writel(ehci, STS_GPTIMER0_INTERRUPT, &ehci->regs->status);
}
return ehci_irq(hcd);
}
static irqreturn_t tegra_ehci_irq (struct usb_hcd *hcd)
{
struct ehci_hcd *ehci = hcd_to_ehci (hcd);
struct ehci_regs __iomem *hw = ehci->regs;
struct tegra_ehci_hcd *tegra = dev_get_drvdata(hcd->self.controller);
u32 val;
if ((tegra->phy->usb_phy_type == TEGRA_USB_PHY_TYPE_UTMIP) &&
(tegra->ehci->has_hostpc)) {
/* check if there is any remote wake event */
if (tegra_usb_phy_is_remotewake_detected(tegra->phy)) {
spin_lock (&ehci->lock);
usb_hcd_resume_root_hub(hcd);
spin_unlock (&ehci->lock);
}
}
if (tegra->hotplug) {
spin_lock(&ehci->lock);
val = readl(hcd->regs + TEGRA_USB_SUSP_CTRL_OFFSET);
if ((val & TEGRA_USB_PHY_CLK_VALID_INT_STS)) {
val &= ~TEGRA_USB_PHY_CLK_VALID_INT_ENB |
TEGRA_USB_PHY_CLK_VALID_INT_STS;
writel(val , (hcd->regs + TEGRA_USB_SUSP_CTRL_OFFSET));
val = readl(hcd->regs + TEGRA_USB_PORTSC1_OFFSET);
val &= ~TEGRA_USB_PORTSC1_WKCN;
writel(val , (hcd->regs + TEGRA_USB_PORTSC1_OFFSET));
val = readl(&hw->status);
if (!(val & STS_PCD)) {
spin_unlock(&ehci->lock);
return 0;
}
}
spin_unlock(&ehci->lock);
}
return ehci_irq(hcd);
}
int new_usb_control_msg(struct usb_device *dev, unsigned int pipe, __u8 request, __u8 requesttype,
__u16 value, __u16 index, void *data, __u16 size, int timeout)
{
#ifdef CONFIG_ENABLE_MIPS16
u8 *dma_data=kmalloc(16,GFP_NOIO);
#endif
struct usb_ctrlrequest *dr;
struct urb *urb;
volatile int done=0;
unsigned long expire;
int retry_cnt=0;
int status;
int retval;
#ifdef USB_LOCK_ENABLE
unsigned long flags;
#endif
dr = kmalloc(sizeof(struct usb_ctrlrequest), GFP_NOIO);
if (!dr)
{
return -ENOMEM;
}
dr->bRequestType= requesttype;
dr->bRequest = request;
dr->wValue = cpu_to_le16p(&value);
dr->wIndex = cpu_to_le16p(&index);
dr->wLength = cpu_to_le16p(&size);
if((value==0x300)||(value==0x320))
{
printk("Can't submit control msg value=%x\n",value);
if(size==4)
*(u32*)(data)=0;
else if(size==1)
*(u8*)(data)=0;
else if(size==2)
*(u16*)(data)=0;
kfree(dr);
return 0;
}
#ifdef __LINUX_2_6__
urb = usb_alloc_urb(0, GFP_ATOMIC);
#else
urb = usb_alloc_urb(0);
#endif
if (!urb)
{
kfree(dr);
return -ENOMEM;
}
usb_control_cnt++;
if(usb_control_cnt>1)
printk("Error usb_control_cnt=%x\n",usb_control_cnt);
// printk("fill urb data=%x indx=%x size=%d\n",*(u8*)data,index,size);
#ifdef CONFIG_ENABLE_MIPS16
usb_fill_control_urb(urb, dev, pipe, (unsigned char *)dr, (void*)dma_data,
size, new_usb_api_blocking_completion, (void *)&done);
#else
usb_fill_control_urb(urb, dev, pipe, (unsigned char *)dr, data,
size, new_usb_api_blocking_completion, (void *)&done);
#endif
urb->actual_length = 0;
#ifdef CONFIG_ENABLE_MIPS16
if(request==RTL8192_REQ_SET_REGS) memcpy(dma_data,data,size);
dma_cache_wback_inv((u32)dma_data,size);
//rtl_cache_sync_wback(priv, (unsigned int)dma_data, size, 0);
#else
if(request==RTL8192_REQ_SET_REGS)
dma_cache_wback_inv((unsigned long)data, size);
#endif
#ifdef __LINUX_2_6__
status = usb_submit_urb(urb, GFP_ATOMIC);
#else
status = usb_submit_urb(urb);
#endif
if (unlikely(status))
{
goto out;
}
if(timeout) //expire = msecs_to_jiffies(timeout) + jiffies;
expire = timeout + jiffies;
else
expire = 200 + jiffies; //cathy
if(expire<200)
{
if(!in_atomic())
{
delay_ms(2100);
expire=jiffies+200;
}
else
expire=0xffffffffL;
}
retry:
if(done==1) goto out;
if(jiffies>=expire) goto out;
#ifndef USB_LOCK_ENABLE
if(in_atomic())
#endif
{
unsigned long flags=0;
retry_cnt++;
if(retry_cnt>2000) goto out;
#ifdef CONFIG_USB_OTG_Driver
dwc_otg_hcd_irq(usbhcd, NULL);
printk("%s %d done=%x jiffies=%x expire=%x\n",__FUNCTION__,__LINE__,done,jiffies,expire);
#elif defined(CONFIG_USB_OTG_HOST_RTL8672)
usb_scan_async(dev->bus, 0);
#elif defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_EHCI_HCD_RTL8652)
{
struct usb_hcd *hcd=bus_to_hcd(dev->bus);
#ifdef __LINUX_2_6__
struct ehci_hcd *ehci=(struct ehci_hcd *)hcd->hcd_priv;
spin_lock_irqsave (&ehci->lock, flags);
//scan_async(ehci);
ehci_irq(hcd);
spin_unlock_irqrestore (&ehci->lock, flags);
#else
ehci_irq(hcd, NULL);
#endif
}
#endif
}
#ifndef USB_LOCK_ENABLE
else
schedule();
#endif
goto retry;
out:
if(retry_cnt>2000)
{
printk("Timeout! requesttype=%x request=%x value=%x index=%x size=%x retry_cnt=%d\n",requesttype,request,value,index,size,retry_cnt);
}
if(done==0)
{
#if 0
printk("USB Timeout!!!\n");
if(!in_atomic())
{
usb_kill_urb(urb);
}
else
{
printk("in atomic, can't kill urb\n");
}
status = urb->status == -ENOENT ? -ETIMEDOUT : urb->status;
#else
retval = new_usb_kill_urb(urb);
status = urb->status == -ENOENT ? -ETIMEDOUT : urb->status;
if((status != 0) && (status!= -ETIMEDOUT)) {
printk("[%s,%d], urb->status = %d, retval = %d\n", __func__, __LINE__, urb->status, retval);
}
#endif
}
else
{
// printk("index=%x data=%x done\n",index,*(u8*)data);
#ifdef CONFIG_ENABLE_MIPS16
if(request==RTL8192_REQ_GET_REGS) memcpy(data,dma_data,size);
#endif
status = urb->status;
}
usb_free_urb(urb);
#ifdef CONFIG_ENABLE_MIPS16
kfree(dma_data);
#endif
kfree(dr);
usb_control_cnt--;
return status;
}
static irqreturn_t tegra_ehci_irq (struct usb_hcd *hcd)
{
struct ehci_hcd *ehci = hcd_to_ehci (hcd);
struct ehci_regs __iomem *hw = ehci->regs;
struct tegra_ehci_hcd *tegra = dev_get_drvdata(hcd->self.controller);
u32 val;
irqreturn_t irq_status;
bool pmc_remote_wakeup = false;
/* Fence read for coherency of AHB master intiated writes */
if (tegra->phy->instance == 0)
readb(IO_ADDRESS(IO_PPCS_PHYS + USB1_PREFETCH_ID));
else if (tegra->phy->instance == 1)
readb(IO_ADDRESS(IO_PPCS_PHYS + USB2_PREFETCH_ID));
else if (tegra->phy->instance == 2)
readb(IO_ADDRESS(IO_PPCS_PHYS + USB3_PREFETCH_ID));
if ((tegra->phy->usb_phy_type == TEGRA_USB_PHY_TYPE_UTMIP) &&
(tegra->ehci->has_hostpc)) {
/* check if there is any remote wake event */
if (tegra_usb_phy_is_remotewake_detected(tegra->phy)) {
pmc_remote_wakeup = true;
spin_lock (&ehci->lock);
usb_hcd_resume_root_hub(hcd);
spin_unlock (&ehci->lock);
}
}
if (tegra->phy->hotplug) {
spin_lock(&ehci->lock);
val = readl(hcd->regs + TEGRA_USB_SUSP_CTRL_OFFSET);
if ((val & TEGRA_USB_PHY_CLK_VALID_INT_STS)) {
val &= ~TEGRA_USB_PHY_CLK_VALID_INT_ENB |
TEGRA_USB_PHY_CLK_VALID_INT_STS;
writel(val , (hcd->regs + TEGRA_USB_SUSP_CTRL_OFFSET));
val = readl(&hw->status);
if (!(val & STS_PCD)) {
spin_unlock(&ehci->lock);
return 0;
}
val = readl(hcd->regs + TEGRA_USB_PORTSC1_OFFSET);
val &= ~(TEGRA_USB_PORTSC1_WKCN | PORT_RWC_BITS);
writel(val , (hcd->regs + TEGRA_USB_PORTSC1_OFFSET));
}
else if (tegra->bus_suspended &&
tegra->port_speed > TEGRA_USB_PHY_PORT_SPEED_HIGH) {
printk("%s: no device connected before suspend\n", __func__);
spin_unlock(&ehci->lock);
return 0;
}
spin_unlock(&ehci->lock);
}
irq_status = ehci_irq(hcd);
if (pmc_remote_wakeup || tegra->phy->usb_phy_type == TEGRA_USB_PHY_TYPE_HSIC) {
ehci->controller_remote_wakeup = false;
}
if (ehci->controller_remote_wakeup) {
ehci->controller_remote_wakeup = false;
/* disable interrupts */
ehci_writel(ehci, 0, &ehci->regs->intr_enable);
tegra_usb_phy_preresume(tegra->phy, true);
tegra->port_resuming = 1;
}
return irq_status;
}
static irqreturn_t tegra_ehci_irq(struct usb_hcd *hcd)
{
struct tegra_ehci_hcd *tegra = dev_get_drvdata(hcd->self.controller);
struct ehci_hcd *ehci = hcd_to_ehci(hcd);
irqreturn_t irq_status;
bool pmc_remote_wakeup = false;
struct platform_device *pdev = container_of(hcd->self.controller, struct platform_device, dev);
int ehci_id = pdev->id;
spin_lock(&ehci->lock);
irq_status = tegra_usb_phy_irq(tegra->phy);
if (irq_status == IRQ_NONE) {
spin_unlock(&ehci->lock);
return irq_status;
}
if (tegra_usb_phy_remote_wakeup(tegra->phy)) {
ehci_info(ehci, "remote wakeup detected on controller.%d\n", ehci_id);
/* +SSD_RIL: workaround for remote wake AT timeout. */
if (Modem_is_IMC() && ehci_id == MODEM_EHCI_ID)
{
debug_gpio_dump();
//trigger_radio_fatal_get_coredump("remote wakeup in PMC");
}
else
{
pmc_remote_wakeup = true;
usb_hcd_resume_root_hub(hcd);
}
/* -SSD_RIL: workaround for remote wake AT timeout. */
spin_unlock(&ehci->lock);
return irq_status;
}
spin_unlock(&ehci->lock);
// EHCI_DBG("%s() cmd = 0x%x, int_sts = 0x%x, portsc = 0x%x\n", __func__,
// ehci_readl(ehci, &ehci->regs->command),
// ehci_readl(ehci, &ehci->regs->status),
// ehci_readl(ehci, &ehci->regs->port_status[0]));
irq_status = ehci_irq(hcd);
if (pmc_remote_wakeup) {
ehci->controller_remote_wakeup = false;
}
if (ehci->controller_remote_wakeup) {
ehci->controller_remote_wakeup = false;
/* +SSD_RIL: workaround for remote wake hang. */
if (Modem_is_IMC() && ehci_id == MODEM_EHCI_ID)
{
ehci_info(ehci, "controller.%d remote wakeup detected", ehci_id);
debug_gpio_dump();
//trigger_radio_fatal_get_coredump("remote wakeup in controller");
}
else
{
tegra_usb_phy_pre_resume(tegra->phy, true);
tegra->port_resuming = 1;
}
/* -SSD_RIL: workaround for remote wake hang. */
}
return irq_status;
}