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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>
This commit is contained in:
Kuninori Morimoto 2011-11-24 17:28:35 -08:00 committed by Felipe Balbi
parent 91b158f4d1
commit dfbb7f4fba
3 changed files with 28 additions and 1 deletions
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5
drivers/usb/renesas_usbhs/common.c
View File

@ -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
*/

2
drivers/usb/renesas_usbhs/common.h
View File

@ -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

22
drivers/usb/renesas_usbhs/mod_gadget.c
View File

@ -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);