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path: root/drivers/usb/gadget/m66592-udc.c
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Diffstat (limited to 'drivers/usb/gadget/m66592-udc.c')
-rw-r--r--drivers/usb/gadget/m66592-udc.c62
1 files changed, 54 insertions, 8 deletions
diff --git a/drivers/usb/gadget/m66592-udc.c b/drivers/usb/gadget/m66592-udc.c
index 084aa080a2d5..491f825ed5c9 100644
--- a/drivers/usb/gadget/m66592-udc.c
+++ b/drivers/usb/gadget/m66592-udc.c
@@ -3,7 +3,7 @@
*
* Copyright (C) 2006-2007 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
@@ -691,6 +691,7 @@ static void init_controller(struct m66592 *m66592)
static void disable_controller(struct m66592 *m66592)
{
+ m66592_bclr(m66592, M66592_UTST, M66592_TESTMODE);
if (!m66592->pdata->on_chip) {
m66592_bclr(m66592, M66592_SCKE, M66592_SYSCFG);
udelay(1);
@@ -780,7 +781,7 @@ static void irq_ep0_write(struct m66592_ep *ep, struct m66592_request *req)
/* write fifo */
if (req->req.buf) {
if (size > 0)
- m66592_write_fifo(m66592, ep->fifoaddr, buf, size);
+ m66592_write_fifo(m66592, ep, buf, size);
if ((size == 0) || ((size % ep->ep.maxpacket) != 0))
m66592_bset(m66592, M66592_BVAL, ep->fifoctr);
}
@@ -826,7 +827,7 @@ static void irq_packet_write(struct m66592_ep *ep, struct m66592_request *req)
/* write fifo */
if (req->req.buf) {
- m66592_write_fifo(m66592, ep->fifoaddr, buf, size);
+ m66592_write_fifo(m66592, ep, buf, size);
if ((size == 0)
|| ((size % ep->ep.maxpacket) != 0)
|| ((bufsize != ep->ep.maxpacket)
@@ -1048,10 +1049,30 @@ static void clear_feature(struct m66592 *m66592, struct usb_ctrlrequest *ctrl)
static void set_feature(struct m66592 *m66592, struct usb_ctrlrequest *ctrl)
{
+ u16 tmp;
+ int timeout = 3000;
switch (ctrl->bRequestType & USB_RECIP_MASK) {
case USB_RECIP_DEVICE:
- control_end(m66592, 1);
+ switch (le16_to_cpu(ctrl->wValue)) {
+ case USB_DEVICE_TEST_MODE:
+ control_end(m66592, 1);
+ /* Wait for the completion of status stage */
+ do {
+ tmp = m66592_read(m66592, M66592_INTSTS0) &
+ M66592_CTSQ;
+ udelay(1);
+ } while (tmp != M66592_CS_IDST || timeout-- > 0);
+
+ if (tmp == M66592_CS_IDST)
+ m66592_bset(m66592,
+ le16_to_cpu(ctrl->wIndex >> 8),
+ M66592_TESTMODE);
+ break;
+ default:
+ pipe_stall(m66592, 0);
+ break;
+ }
break;
case USB_RECIP_INTERFACE:
control_end(m66592, 1);
@@ -1454,7 +1475,7 @@ static struct usb_ep_ops m66592_ep_ops = {
/*-------------------------------------------------------------------------*/
static struct m66592 *the_controller;
-int usb_gadget_probe_driver(struct usb_gadget_driver *driver,
+static int m66592_start(struct usb_gadget_driver *driver,
int (*bind)(struct usb_gadget *))
{
struct m66592 *m66592 = the_controller;
@@ -1506,9 +1527,8 @@ error:
return retval;
}
-EXPORT_SYMBOL(usb_gadget_probe_driver);
-int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
+static int m66592_stop(struct usb_gadget_driver *driver)
{
struct m66592 *m66592 = the_controller;
unsigned long flags;
@@ -1533,7 +1553,6 @@ int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
m66592->driver = NULL;
return 0;
}
-EXPORT_SYMBOL(usb_gadget_unregister_driver);
/*-------------------------------------------------------------------------*/
static int m66592_get_frame(struct usb_gadget *_gadget)
@@ -1542,14 +1561,34 @@ static int m66592_get_frame(struct usb_gadget *_gadget)
return m66592_read(m66592, M66592_FRMNUM) & 0x03FF;
}
+static int m66592_pullup(struct usb_gadget *gadget, int is_on)
+{
+ struct m66592 *m66592 = gadget_to_m66592(gadget);
+ unsigned long flags;
+
+ spin_lock_irqsave(&m66592->lock, flags);
+ if (is_on)
+ m66592_bset(m66592, M66592_DPRPU, M66592_SYSCFG);
+ else
+ m66592_bclr(m66592, M66592_DPRPU, M66592_SYSCFG);
+ spin_unlock_irqrestore(&m66592->lock, flags);
+
+ return 0;
+}
+
static struct usb_gadget_ops m66592_gadget_ops = {
.get_frame = m66592_get_frame,
+ .start = m66592_start,
+ .stop = m66592_stop,
+ .pullup = m66592_pullup,
};
static int __exit m66592_remove(struct platform_device *pdev)
{
struct m66592 *m66592 = dev_get_drvdata(&pdev->dev);
+ usb_del_gadget_udc(&m66592->gadget);
+
del_timer_sync(&m66592->timer);
iounmap(m66592->reg);
free_irq(platform_get_irq(pdev, 0), m66592);
@@ -1691,9 +1730,16 @@ static int __init m66592_probe(struct platform_device *pdev)
init_controller(m66592);
+ ret = usb_add_gadget_udc(&pdev->dev, &m66592->gadget);
+ if (ret)
+ goto err_add_udc;
+
dev_info(&pdev->dev, "version %s\n", DRIVER_VERSION);
return 0;
+err_add_udc:
+ m66592_free_request(&m66592->ep[0].ep, m66592->ep0_req);
+
clean_up3:
#ifdef CONFIG_HAVE_CLK
if (m66592->pdata->on_chip) {