From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Fri, 25 Nov 2011 01:28:35 +0000 (-0800)
Subject: usb: renesas_usbhs: add test-mode support
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=dfbb7f4fba47153de4be9ed6092804ebfd16bfbb;p=linux-beck.git

usb: renesas_usbhs: add test-mode support

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
---

diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c
index 016a34f58523..32a879fb0e36 100644
--- a/drivers/usb/renesas_usbhs/common.c
+++ b/drivers/usb/renesas_usbhs/common.c
@@ -132,6 +132,11 @@ void usbhs_sys_function_ctrl(struct usbhs_priv *priv, int enable)
 	usbhs_bset(priv, SYSCFG, mask, enable ? val : 0);
 }
 
+void usbhs_sys_set_test_mode(struct usbhs_priv *priv, u16 mode)
+{
+	usbhs_write(priv, TESTMODE, mode);
+}
+
 /*
  *		frame functions
  */
diff --git a/drivers/usb/renesas_usbhs/common.h b/drivers/usb/renesas_usbhs/common.h
index 71c295c76d9e..d79b3e27db95 100644
--- a/drivers/usb/renesas_usbhs/common.h
+++ b/drivers/usb/renesas_usbhs/common.h
@@ -33,6 +33,7 @@ struct usbhs_priv;
 #define SYSCFG		0x0000
 #define BUSWAIT		0x0002
 #define DVSTCTR		0x0008
+#define TESTMODE	0x000C
 #define CFIFO		0x0014
 #define CFIFOSEL	0x0020
 #define CFIFOCTR	0x0022
@@ -283,6 +284,7 @@ void usbhs_bset(struct usbhs_priv *priv, u32 reg, u16 mask, u16 data);
  */
 void usbhs_sys_host_ctrl(struct usbhs_priv *priv, int enable);
 void usbhs_sys_function_ctrl(struct usbhs_priv *priv, int enable);
+void usbhs_sys_set_test_mode(struct usbhs_priv *priv, u16 mode);
 
 /*
  * usb request
diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c
index dba15e07fbd2..1951de02957e 100644
--- a/drivers/usb/renesas_usbhs/mod_gadget.c
+++ b/drivers/usb/renesas_usbhs/mod_gadget.c
@@ -14,6 +14,7 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  *
  */
+#include <linux/delay.h>
 #include <linux/dma-mapping.h>
 #include <linux/io.h>
 #include <linux/module.h>
@@ -286,6 +287,24 @@ struct usbhsg_recip_handle req_clear_feature = {
 /*
  *		USB_TYPE_STANDARD / set feature functions
  */
+static int usbhsg_recip_handler_std_set_device(struct usbhs_priv *priv,
+						 struct usbhsg_uep *uep,
+						 struct usb_ctrlrequest *ctrl)
+{
+	switch (le16_to_cpu(ctrl->wValue)) {
+	case USB_DEVICE_TEST_MODE:
+		usbhsg_recip_handler_std_control_done(priv, uep, ctrl);
+		udelay(100);
+		usbhs_sys_set_test_mode(priv, le16_to_cpu(ctrl->wIndex >> 8));
+		break;
+	default:
+		usbhsg_recip_handler_std_control_done(priv, uep, ctrl);
+		break;
+	}
+
+	return 0;
+}
+
 static int usbhsg_recip_handler_std_set_endpoint(struct usbhs_priv *priv,
 						 struct usbhsg_uep *uep,
 						 struct usb_ctrlrequest *ctrl)
@@ -301,7 +320,7 @@ static int usbhsg_recip_handler_std_set_endpoint(struct usbhs_priv *priv,
 
 struct usbhsg_recip_handle req_set_feature = {
 	.name		= "set feature",
-	.device		= usbhsg_recip_handler_std_control_done,
+	.device		= usbhsg_recip_handler_std_set_device,
 	.interface	= usbhsg_recip_handler_std_control_done,
 	.endpoint	= usbhsg_recip_handler_std_set_endpoint,
 };
@@ -849,6 +868,7 @@ static int usbhsg_try_stop(struct usbhs_priv *priv, u32 status)
 	gpriv->gadget.speed = USB_SPEED_UNKNOWN;
 
 	/* disable sys */
+	usbhs_sys_set_test_mode(priv, 0);
 	usbhs_sys_function_ctrl(priv, 0);
 
 	usbhsg_pipe_disable(dcp);