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path: root/drivers/usb/gadget/imx_udc.h
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Diffstat (limited to 'drivers/usb/gadget/imx_udc.h')
-rw-r--r--drivers/usb/gadget/imx_udc.h49
1 files changed, 32 insertions, 17 deletions
diff --git a/drivers/usb/gadget/imx_udc.h b/drivers/usb/gadget/imx_udc.h
index 850076937d8d..b48ad59603d1 100644
--- a/drivers/usb/gadget/imx_udc.h
+++ b/drivers/usb/gadget/imx_udc.h
@@ -23,7 +23,8 @@
/* Helper macros */
#define EP_NO(ep) ((ep->bEndpointAddress) & ~USB_DIR_IN) /* IN:1, OUT:0 */
#define EP_DIR(ep) ((ep->bEndpointAddress) & USB_DIR_IN ? 1 : 0)
-#define irq_to_ep(irq) (((irq) >= USBD_INT0) || ((irq) <= USBD_INT6) ? ((irq) - USBD_INT0) : (USBD_INT6)) /*should not happen*/
+#define irq_to_ep(irq) (((irq) >= USBD_INT0) || ((irq) <= USBD_INT6) \
+ ? ((irq) - USBD_INT0) : (USBD_INT6)) /*should not happen*/
#define ep_to_irq(ep) (EP_NO((ep)) + USBD_INT0)
#define IMX_USB_NB_EP 6
@@ -58,6 +59,7 @@ struct imx_udc_struct {
struct device *dev;
struct imx_ep_struct imx_ep[IMX_USB_NB_EP];
struct clk *clk;
+ struct timer_list timer;
enum ep0_state ep0state;
struct resource *res;
void __iomem *base;
@@ -88,8 +90,8 @@ struct imx_udc_struct {
#define USB_EP_FDAT3(x) (0x3F + (x*0x30)) /* USB FIFO data */
#define USB_EP_FSTAT(x) (0x40 + (x*0x30)) /* USB FIFO status */
#define USB_EP_FCTRL(x) (0x44 + (x*0x30)) /* USB FIFO control */
-#define USB_EP_LRFP(x) (0x48 + (x*0x30)) /* USB last read frame pointer */
-#define USB_EP_LWFP(x) (0x4C + (x*0x30)) /* USB last write frame pointer */
+#define USB_EP_LRFP(x) (0x48 + (x*0x30)) /* USB last rd f. pointer */
+#define USB_EP_LWFP(x) (0x4C + (x*0x30)) /* USB last wr f. pointer */
#define USB_EP_FALRM(x) (0x50 + (x*0x30)) /* USB FIFO alarm */
#define USB_EP_FRDP(x) (0x54 + (x*0x30)) /* USB FIFO read pointer */
#define USB_EP_FWRP(x) (0x58 + (x*0x30)) /* USB FIFO write pointer */
@@ -170,7 +172,7 @@ struct imx_udc_struct {
/* #define DEBUG_IRQ */
/* #define DEBUG_EPIRQ */
/* #define DEBUG_DUMP */
-#define DEBUG_ERR
+/* #define DEBUG_ERR */
#ifdef DEBUG_REQ
#define D_REQ(dev, args...) dev_dbg(dev, ## args)
@@ -228,7 +230,8 @@ struct imx_udc_struct {
#endif /* DEBUG_IRQ */
#ifdef DEBUG_EPIRQ
- static void dump_ep_intr(const char *label, int nr, int irqreg, struct device *dev)
+ static void dump_ep_intr(const char *label, int nr, int irqreg,
+ struct device *dev)
{
dev_dbg(dev, "<%s> EP%d_INTR=[%s%s%s%s%s%s%s%s%s]\n", label, nr,
(irqreg & EPINTR_FIFO_FULL) ? " full" : "",
@@ -246,7 +249,8 @@ struct imx_udc_struct {
#endif /* DEBUG_IRQ */
#ifdef DEBUG_DUMP
- static void dump_usb_stat(const char *label, struct imx_udc_struct *imx_usb)
+ static void dump_usb_stat(const char *label,
+ struct imx_udc_struct *imx_usb)
{
int temp = __raw_readl(imx_usb->base + USB_STAT);
@@ -259,12 +263,15 @@ struct imx_udc_struct {
(temp & STAT_ALTSET));
}
- static void dump_ep_stat(const char *label, struct imx_ep_struct *imx_ep)
+ static void dump_ep_stat(const char *label,
+ struct imx_ep_struct *imx_ep)
{
- int temp = __raw_readl(imx_ep->imx_usb->base + USB_EP_INTR(EP_NO(imx_ep)));
+ int temp = __raw_readl(imx_ep->imx_usb->base
+ + USB_EP_INTR(EP_NO(imx_ep)));
dev_dbg(imx_ep->imx_usb->dev,
- "<%s> EP%d_INTR=[%s%s%s%s%s%s%s%s%s]\n", label, EP_NO(imx_ep),
+ "<%s> EP%d_INTR=[%s%s%s%s%s%s%s%s%s]\n",
+ label, EP_NO(imx_ep),
(temp & EPINTR_FIFO_FULL) ? " full" : "",
(temp & EPINTR_FIFO_EMPTY) ? " fempty" : "",
(temp & EPINTR_FIFO_ERROR) ? " ferr" : "",
@@ -275,18 +282,22 @@ struct imx_udc_struct {
(temp & EPINTR_DEVREQ) ? " devreq" : "",
(temp & EPINTR_EOT) ? " eot" : "");
- temp = __raw_readl(imx_ep->imx_usb->base + USB_EP_STAT(EP_NO(imx_ep)));
+ temp = __raw_readl(imx_ep->imx_usb->base
+ + USB_EP_STAT(EP_NO(imx_ep)));
dev_dbg(imx_ep->imx_usb->dev,
- "<%s> EP%d_STAT=[%s%s bcount=%d]\n", label, EP_NO(imx_ep),
+ "<%s> EP%d_STAT=[%s%s bcount=%d]\n",
+ label, EP_NO(imx_ep),
(temp & EPSTAT_SIP) ? " sip" : "",
(temp & EPSTAT_STALL) ? " stall" : "",
(temp & EPSTAT_BCOUNT) >> 16);
- temp = __raw_readl(imx_ep->imx_usb->base + USB_EP_FSTAT(EP_NO(imx_ep)));
+ temp = __raw_readl(imx_ep->imx_usb->base
+ + USB_EP_FSTAT(EP_NO(imx_ep)));
dev_dbg(imx_ep->imx_usb->dev,
- "<%s> EP%d_FSTAT=[%s%s%s%s%s%s%s]\n", label, EP_NO(imx_ep),
+ "<%s> EP%d_FSTAT=[%s%s%s%s%s%s%s]\n",
+ label, EP_NO(imx_ep),
(temp & FSTAT_ERR) ? " ferr" : "",
(temp & FSTAT_UF) ? " funder" : "",
(temp & FSTAT_OF) ? " fover" : "",
@@ -296,19 +307,23 @@ struct imx_udc_struct {
(temp & FSTAT_EMPTY) ? " fempty" : "");
}
- static void dump_req(const char *label, struct imx_ep_struct *imx_ep, struct usb_request *req)
+ static void dump_req(const char *label, struct imx_ep_struct *imx_ep,
+ struct usb_request *req)
{
int i;
if (!req || !req->buf) {
- dev_dbg(imx_ep->imx_usb->dev, "<%s> req or req buf is free\n", label);
+ dev_dbg(imx_ep->imx_usb->dev,
+ "<%s> req or req buf is free\n", label);
return;
}
- if ((!EP_NO(imx_ep) && imx_ep->imx_usb->ep0state == EP0_IN_DATA_PHASE)
+ if ((!EP_NO(imx_ep) && imx_ep->imx_usb->ep0state
+ == EP0_IN_DATA_PHASE)
|| (EP_NO(imx_ep) && EP_DIR(imx_ep))) {
- dev_dbg(imx_ep->imx_usb->dev, "<%s> request dump <", label);
+ dev_dbg(imx_ep->imx_usb->dev,
+ "<%s> request dump <", label);
for (i = 0; i < req->length; i++)
printk("%02x-", *((u8 *)req->buf + i));
printk(">\n");