[PATCH v4] usb: usb3.0 ch9 definitions

Tatyana Brokhman
2010-10-08T13:26:40Z

Adding SuperSpeed usb definitions as defined by ch9 of the USB3.0 spec.
This patch is a preparation for adding SuperSpeed support to the gadget
framework.

Signed-off-by: Tatyana Brokhman<tlinder@codeaurora.org>
---
include/linux/usb/ch9.h | 58 ++++++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 57 insertions(+), 1 deletions(-)

diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h
index da2ed77..d83115e 100644
--- a/include/linux/usb/ch9.h
+++ b/include/linux/usb/ch9.h
@@ -123,8 +123,23 @@
#define USB_DEVICE_A_ALT_HNP_SUPPORT 5 /* (otg) other RH port does */
#define USB_DEVICE_DEBUG_MODE 6 /* (special devices only) */

+/*
+ * New Feature Selectors as added by USB 3.0
+ * See USB 3.0 spec Table 9-6
+ */
+#define USB_DEVICE_U1_ENABLE 48 /* dev may initiate U1 transition */
+#define USB_DEVICE_U2_ENABLE 49 /* dev may initiate U2 transition*/
+#define USB_DEVICE_LTM_ENABLE 50 /* dev may send LTM*/
+#define USB_INTRF_FUNC_SUSPEND 0 /* function suspend*/
+
+#define USB_INTR_FUNC_SUSPEND_OPT_MASK 0xFF00
+
#define USB_ENDPOINT_HALT 0 /* IN/OUT will STALL */

+/* 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 */
+#define USB_DEV_STAT_LTM_ENABLED 4 /* Latency tolerance messages*/

/**
* struct usb_ctrlrequest - SETUP data for a USB device control request
@@ -675,6 +690,7 @@ struct usb_bos_descriptor {
__u8 bNumDeviceCaps;
} __attribute__((packed));

+#define USB_DT_BOS_SIZE 5
/*-------------------------------------------------------------------------*/

/* USB_DT_DEVICE_CAPABILITY: grouped with BOS */
@@ -712,16 +728,56 @@ struct usb_wireless_cap_descriptor { /* Ultra Wide Band */
__u8 bReserved;
} __attribute__((packed));

+/* USB 2.0 Extension descriptor */
#define USB_CAP_TYPE_EXT 2

struct usb_ext_cap_descriptor { /* Link Power Management */
__u8 bLength;
__u8 bDescriptorType;
__u8 bDevCapabilityType;
- __u8 bmAttributes;
+ __le32 bmAttributes;
#define USB_LPM_SUPPORT (1 << 1) /* supports LPM */
} __attribute__((packed));

+#define USB_DT_USB_EXT_CAP_SIZE 7
+
+/*
+ * SuperSpeed USB Capability descriptor: Defines the set of SuperSpeed USB
+ * specific device level capabilities
+ */
+#define USB_SS_CAP_TYPE 3
+struct usb_ss_cap_descriptor { /* Link Power Management */
+ __u8 bLength;
+ __u8 bDescriptorType;
+ __u8 bDevCapabilityType;
+ __u8 bmAttributes;
+#define USB_LTM_SUPPORT (1 << 1) /* supports LTM */
+ __le16 wSpeedSupported;
+#define USB_LOW_SPEED_OPERATION (1) /* Low speed operation */
+#define USB_FULL_SPEED_OPERATION (1 << 1) /* Full speed operation */
+#define USB_HIGH_SPEED_OPERATION (1 << 2) /* High speed operation */
+#define USB_5GBPS_OPERATION (1 << 3) /* Operation at 5Gbps */
+ __u8 bFunctionalitySupport;
+ __u8 bU1devExitLat;
+ __u16 bU2DevExitLat;
+} __attribute__((packed));
+
+#define USB_DT_USB_SS_CAP_SIZE 10
+
+/*
+ * Container ID Capability descriptor: Defines the instance unique ID used to
+ * identify the instance across all operating modes
+ */
+#define CONTAINER_ID_TYPE 4
+struct usb_ss_container_id_descriptor {
+ __u8 bLength;
+ __u8 bDescriptorType;
+ __u8 bDevCapabilityType;
+ __u8 bReserved;
+ __u8 ContainerID[16]; /* 128-bit number */
+} __attribute__((packed));
+
+#define USB_DT_USB_SS_CONTN_ID_SIZE 20
/*-------------------------------------------------------------------------*/

/* USB_DT_WIRELESS_ENDPOINT_COMP: companion descriptor associated with
--
1.6.3.3

--
Sent by an consultant of the Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.