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path: root/drivers/usb/gadget/r8a66597-udc.c
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Diffstat (limited to 'drivers/usb/gadget/r8a66597-udc.c')
-rw-r--r--drivers/usb/gadget/r8a66597-udc.c71
1 files changed, 58 insertions, 13 deletions
diff --git a/drivers/usb/gadget/r8a66597-udc.c b/drivers/usb/gadget/r8a66597-udc.c
index 6dcc1f68fa60..50991e5bd5e8 100644
--- a/drivers/usb/gadget/r8a66597-udc.c
+++ b/drivers/usb/gadget/r8a66597-udc.c
@@ -3,7 +3,7 @@
*
* Copyright (C) 2006-2009 Renesas Solutions Corp.
*
- * Author : Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
+ * Author : Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -576,7 +576,11 @@ static void init_controller(struct r8a66597 *r8a66597)
u16 endian = r8a66597->pdata->endian ? BIGEND : 0;
if (r8a66597->pdata->on_chip) {
- r8a66597_bset(r8a66597, 0x04, SYSCFG1);
+ if (r8a66597->pdata->buswait)
+ r8a66597_write(r8a66597, r8a66597->pdata->buswait,
+ SYSCFG1);
+ else
+ r8a66597_write(r8a66597, 0x0f, SYSCFG1);
r8a66597_bset(r8a66597, HSE, SYSCFG0);
r8a66597_bclr(r8a66597, USBE, SYSCFG0);
@@ -618,6 +622,7 @@ static void disable_controller(struct r8a66597 *r8a66597)
{
if (r8a66597->pdata->on_chip) {
r8a66597_bset(r8a66597, SCKE, SYSCFG0);
+ r8a66597_bclr(r8a66597, UTST, TESTMODE);
/* disable interrupts */
r8a66597_write(r8a66597, 0, INTENB0);
@@ -635,6 +640,7 @@ static void disable_controller(struct r8a66597 *r8a66597)
r8a66597_bclr(r8a66597, SCKE, SYSCFG0);
} else {
+ r8a66597_bclr(r8a66597, UTST, TESTMODE);
r8a66597_bclr(r8a66597, SCKE, SYSCFG0);
udelay(1);
r8a66597_bclr(r8a66597, PLLC, SYSCFG0);
@@ -999,10 +1005,29 @@ static void clear_feature(struct r8a66597 *r8a66597,
static void set_feature(struct r8a66597 *r8a66597, struct usb_ctrlrequest *ctrl)
{
+ u16 tmp;
+ int timeout = 3000;
switch (ctrl->bRequestType & USB_RECIP_MASK) {
case USB_RECIP_DEVICE:
- control_end(r8a66597, 1);
+ switch (le16_to_cpu(ctrl->wValue)) {
+ case USB_DEVICE_TEST_MODE:
+ control_end(r8a66597, 1);
+ /* Wait for the completion of status stage */
+ do {
+ tmp = r8a66597_read(r8a66597, INTSTS0) & CTSQ;
+ udelay(1);
+ } while (tmp != CS_IDST || timeout-- > 0);
+
+ if (tmp == CS_IDST)
+ r8a66597_bset(r8a66597,
+ le16_to_cpu(ctrl->wIndex >> 8),
+ TESTMODE);
+ break;
+ default:
+ pipe_stall(r8a66597, 0);
+ break;
+ }
break;
case USB_RECIP_INTERFACE:
control_end(r8a66597, 1);
@@ -1410,7 +1435,7 @@ static struct usb_ep_ops r8a66597_ep_ops = {
/*-------------------------------------------------------------------------*/
static struct r8a66597 *the_controller;
-int usb_gadget_probe_driver(struct usb_gadget_driver *driver,
+static int r8a66597_start(struct usb_gadget_driver *driver,
int (*bind)(struct usb_gadget *))
{
struct r8a66597 *r8a66597 = the_controller;
@@ -1444,6 +1469,7 @@ int usb_gadget_probe_driver(struct usb_gadget_driver *driver,
goto error;
}
+ init_controller(r8a66597);
r8a66597_bset(r8a66597, VBSE, INTENB0);
if (r8a66597_read(r8a66597, INTSTS0) & VBSTS) {
r8a66597_start_xclock(r8a66597);
@@ -1462,9 +1488,8 @@ error:
return retval;
}
-EXPORT_SYMBOL(usb_gadget_probe_driver);
-int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
+static int r8a66597_stop(struct usb_gadget_driver *driver)
{
struct r8a66597 *r8a66597 = the_controller;
unsigned long flags;
@@ -1475,20 +1500,16 @@ int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
spin_lock_irqsave(&r8a66597->lock, flags);
if (r8a66597->gadget.speed != USB_SPEED_UNKNOWN)
r8a66597_usb_disconnect(r8a66597);
- spin_unlock_irqrestore(&r8a66597->lock, flags);
-
r8a66597_bclr(r8a66597, VBSE, INTENB0);
+ disable_controller(r8a66597);
+ spin_unlock_irqrestore(&r8a66597->lock, flags);
driver->unbind(&r8a66597->gadget);
- init_controller(r8a66597);
- disable_controller(r8a66597);
-
device_del(&r8a66597->gadget.dev);
r8a66597->driver = NULL;
return 0;
}
-EXPORT_SYMBOL(usb_gadget_unregister_driver);
/*-------------------------------------------------------------------------*/
static int r8a66597_get_frame(struct usb_gadget *_gadget)
@@ -1497,14 +1518,33 @@ static int r8a66597_get_frame(struct usb_gadget *_gadget)
return r8a66597_read(r8a66597, FRMNUM) & 0x03FF;
}
+static int r8a66597_pullup(struct usb_gadget *gadget, int is_on)
+{
+ struct r8a66597 *r8a66597 = gadget_to_r8a66597(gadget);
+ unsigned long flags;
+
+ spin_lock_irqsave(&r8a66597->lock, flags);
+ if (is_on)
+ r8a66597_bset(r8a66597, DPRPU, SYSCFG0);
+ else
+ r8a66597_bclr(r8a66597, DPRPU, SYSCFG0);
+ spin_unlock_irqrestore(&r8a66597->lock, flags);
+
+ return 0;
+}
+
static struct usb_gadget_ops r8a66597_gadget_ops = {
.get_frame = r8a66597_get_frame,
+ .start = r8a66597_start,
+ .stop = r8a66597_stop,
+ .pullup = r8a66597_pullup,
};
static int __exit r8a66597_remove(struct platform_device *pdev)
{
struct r8a66597 *r8a66597 = dev_get_drvdata(&pdev->dev);
+ usb_del_gadget_udc(&r8a66597->gadget);
del_timer_sync(&r8a66597->timer);
iounmap(r8a66597->reg);
free_irq(platform_get_irq(pdev, 0), r8a66597);
@@ -1645,11 +1685,15 @@ static int __init r8a66597_probe(struct platform_device *pdev)
goto clean_up3;
r8a66597->ep0_req->complete = nop_completion;
- init_controller(r8a66597);
+ ret = usb_add_gadget_udc(&pdev->dev, &r8a66597->gadget);
+ if (ret)
+ goto err_add_udc;
dev_info(&pdev->dev, "version %s\n", DRIVER_VERSION);
return 0;
+err_add_udc:
+ r8a66597_free_request(&r8a66597->ep[0].ep, r8a66597->ep0_req);
clean_up3:
free_irq(irq, r8a66597);
clean_up2:
@@ -1679,6 +1723,7 @@ static struct platform_driver r8a66597_driver = {
.name = (char *) udc_name,
},
};
+MODULE_ALIAS("platform:r8a66597_udc");
static int __init r8a66597_udc_init(void)
{
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