usb: gadget: add super speed support
This patch is to add usb gadget super speed support in common
driver, including BOS descriptor and select the super speed
descriptor from function driver.
Reviewed-by: Ye Li <ye.li@nxp.com>
Reviewed-by: Peter Chen <peter.chen@nxp.com>
Tested-by: faqiang.zhu <faqiang.zhu@nxp.com>
Signed-off-by: Li Jun <jun.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h
index d75a0bc..935e5c0 100644
--- a/include/linux/usb/composite.h
+++ b/include/linux/usb/composite.h
@@ -146,6 +146,7 @@
struct usb_gadget_strings **strings;
struct usb_descriptor_header **descriptors;
struct usb_descriptor_header **hs_descriptors;
+ struct usb_descriptor_header **ss_descriptors;
struct usb_configuration *config;
@@ -279,6 +280,7 @@
u8 next_interface_id;
unsigned highspeed:1;
unsigned fullspeed:1;
+ unsigned superspeed:1;
struct usb_function *interface[MAX_CONFIG_INTERFACES];
};
@@ -292,6 +294,7 @@
* identifiers.
* @strings: tables of strings, keyed by identifiers assigned during bind()
* and language IDs provided in control requests
+ * @max_speed: Highest speed the driver supports.
* @bind: (REQUIRED) Used to allocate resources that are shared across the
* whole device, such as string IDs, and add its configurations using
* @usb_add_config(). This may fail by returning a negative errno
@@ -319,6 +322,7 @@
const char *name;
const struct usb_device_descriptor *dev;
struct usb_gadget_strings **strings;
+ enum usb_device_speed max_speed;
/* REVISIT: bind() functions can be marked __init, which
* makes trouble for section mismatch analysis. See if
diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
index 8d54b91..7e6d329 100644
--- a/include/linux/usb/gadget.h
+++ b/include/linux/usb/gadget.h
@@ -449,6 +449,11 @@
/*-------------------------------------------------------------------------*/
+struct usb_dcd_config_params {
+ __u8 bU1devExitLat; /* U1 Device exit Latency */
+ __le16 bU2DevExitLat; /* U2 Device exit Latency */
+};
+
struct usb_gadget;
struct usb_gadget_driver;
@@ -464,6 +469,7 @@
int (*pullup) (struct usb_gadget *, int is_on);
int (*ioctl)(struct usb_gadget *,
unsigned code, unsigned long param);
+ void (*get_config_params)(struct usb_dcd_config_params *);
int (*udc_start)(struct usb_gadget *,
struct usb_gadget_driver *);
int (*udc_stop)(struct usb_gadget *);