This patch add the definitions for OTG Support Rev 2.0.
The modification is derived from Pavankumar and Vijayavardhans' previous work.
Signed-off-by: Macpaul Lin <macpaul@xxxxxxxxx>
Cc: Pavankumar Kondeti <pkondeti@xxxxxxxxxxxxxx>
Cc: Vijayavardhan Vennapusa <vvreddy@xxxxxxxxxxxxxx>
---
include/uapi/linux/usb/ch9.h | 19 +++++++++++++++++--
1 file changed, 17 insertions(+), 2 deletions(-)
diff --git a/include/uapi/linux/usb/ch9.h b/include/uapi/linux/usb/ch9.h
index aa33fd1..9fd83d0 100644
--- a/include/uapi/linux/usb/ch9.h
+++ b/include/uapi/linux/usb/ch9.h
@@ -136,6 +136,12 @@
#define TEST_PACKET 4
#define TEST_FORCE_EN 5
+/* OTG test mode feature bits
+ * See ECN OTG2.0 spec Table 6-8
+ */
+#define TEST_OTG_SRP_REQD 6
+#define TEST_OTG_HNP_REQD 7
+
/*
* New Feature Selectors as added by USB 3.0
* See USB 3.0 spec Table 9-7
@@ -155,11 +161,19 @@
/*
* Interface status, Figure 9-5 USB 3.0 spec
*/
-#define USB_INTRF_STAT_FUNC_RW_CAP 1
-#define USB_INTRF_STAT_FUNC_RW 2
+#define USB_INTRF_STAT_FUNC_RW_CAP 1
+#define USB_INTRF_STAT_FUNC_RW 2
#define USB_ENDPOINT_HALT 0 /* IN/OUT will STALL */
+/* OTG 2.0 spec 6.2 and 6.3 sections */
+#define OTG_STATUS_SELECTOR 0xF000
+#define HOST_REQUEST_FLAG 0
+#define THOST_REQ_POLL 1500 /* msec (1000 - 2000) */
+#define OTG_TTST_SUSP 70 /* msec (0 - 100) */
+
+#define OTG_TTST_VBUS_OFF 1
+
/* Bit array elements as returned by the USB_REQ_GET_STATUS request. */
#define USB_DEV_STAT_U1_ENABLED 2 /* transition into U1 state */
#define USB_DEV_STAT_U2_ENABLED 3 /* transition into U2 state */
@@ -674,6 +688,7 @@ struct usb_otg_descriptor {
__u8 bmAttributes; /* support for HNP, SRP, etc */
} __attribute__ ((packed));
+#define USB_DT_OTG_SIZE 5
/* from usb_otg_descriptor.bmAttributes */
#define USB_OTG_SRP (1 << 0)
#define USB_OTG_HNP (1 << 1) /* swap host/device roles */
--
2.1.0
--
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