struct usb_ext_cap_descriptor *usb_ext;
struct usb_dcd_config_params dcd_config_params;
struct usb_bos_descriptor *bos = cdev->req->buf;
+ unsigned int besl = 0;
bos->bLength = USB_DT_BOS_SIZE;
bos->bDescriptorType = USB_DT_BOS;
bos->wTotalLength = cpu_to_le16(USB_DT_BOS_SIZE);
bos->bNumDeviceCaps = 0;
+ /* Get Controller configuration */
+ if (cdev->gadget->ops->get_config_params) {
+ cdev->gadget->ops->get_config_params(cdev->gadget,
+ &dcd_config_params);
+ } else {
+ dcd_config_params.besl_baseline =
+ USB_DEFAULT_BESL_UNSPECIFIED;
+ dcd_config_params.besl_deep =
+ USB_DEFAULT_BESL_UNSPECIFIED;
+ dcd_config_params.bU1devExitLat =
+ USB_DEFAULT_U1_DEV_EXIT_LAT;
+ dcd_config_params.bU2DevExitLat =
+ cpu_to_le16(USB_DEFAULT_U2_DEV_EXIT_LAT);
+ }
+
+ if (dcd_config_params.besl_baseline != USB_DEFAULT_BESL_UNSPECIFIED)
+ besl = USB_BESL_BASELINE_VALID |
+ USB_SET_BESL_BASELINE(dcd_config_params.besl_baseline);
+
+ if (dcd_config_params.besl_deep != USB_DEFAULT_BESL_UNSPECIFIED)
+ besl |= USB_BESL_DEEP_VALID |
+ USB_SET_BESL_DEEP(dcd_config_params.besl_deep);
+
/*
* A SuperSpeed device shall include the USB2.0 extension descriptor
* and shall support LPM when operating in USB2.0 HS mode.
usb_ext->bLength = USB_DT_USB_EXT_CAP_SIZE;
usb_ext->bDescriptorType = USB_DT_DEVICE_CAPABILITY;
usb_ext->bDevCapabilityType = USB_CAP_TYPE_EXT;
- usb_ext->bmAttributes = cpu_to_le32(USB_LPM_SUPPORT | USB_BESL_SUPPORT);
+ usb_ext->bmAttributes = cpu_to_le32(USB_LPM_SUPPORT |
+ USB_BESL_SUPPORT | besl);
/*
* The Superspeed USB Capability descriptor shall be implemented by all
USB_HIGH_SPEED_OPERATION |
USB_5GBPS_OPERATION);
ss_cap->bFunctionalitySupport = USB_LOW_SPEED_OPERATION;
-
- /* Get Controller configuration */
- if (cdev->gadget->ops->get_config_params) {
- cdev->gadget->ops->get_config_params(cdev->gadget,
- &dcd_config_params);
- } else {
- dcd_config_params.bU1devExitLat =
- USB_DEFAULT_U1_DEV_EXIT_LAT;
- dcd_config_params.bU2DevExitLat =
- cpu_to_le16(USB_DEFAULT_U2_DEV_EXIT_LAT);
- }
ss_cap->bU1devExitLat = dcd_config_params.bU1devExitLat;
ss_cap->bU2DevExitLat = dcd_config_params.bU2DevExitLat;
}
#define USB_BESL_SUPPORT (1 << 2) /* supports BESL */
#define USB_BESL_BASELINE_VALID (1 << 3) /* Baseline BESL valid*/
#define USB_BESL_DEEP_VALID (1 << 4) /* Deep BESL valid */
+#define USB_SET_BESL_BASELINE(p) (((p) & 0xf) << 8)
+#define USB_SET_BESL_DEEP(p) (((p) & 0xf) << 12)
#define USB_GET_BESL_BASELINE(p) (((p) & (0xf << 8)) >> 8)
#define USB_GET_BESL_DEEP(p) (((p) & (0xf << 12)) >> 12)
} __attribute__((packed));