Convert CONFIG_CMD_PCA953X to Kconfig

[platform/kernel/u-boot.git] / include / usb.h

diff --git a/include/usb.h b/include/usb.h
index a266677..fad0401 100644 (file)
--- a/include/usb.h
+++ b/include/usb.h
@@ -537,6 +537,21 @@ struct usb_hub_status {
        unsigned short wHubChange;
 } __attribute__ ((packed));
 
+/*
+ * Hub Device descriptor
+ * USB Hub class device protocols
+ */
+#define USB_HUB_PR_FS          0 /* Full speed hub */
+#define USB_HUB_PR_HS_NO_TT    0 /* Hi-speed hub without TT */
+#define USB_HUB_PR_HS_SINGLE_TT        1 /* Hi-speed hub with single TT */
+#define USB_HUB_PR_HS_MULTI_TT 2 /* Hi-speed hub with multiple TT */
+#define USB_HUB_PR_SS          3 /* Super speed hub */
+
+/* Transaction Translator Think Times, in bits */
+#define HUB_TTTT_8_BITS                0x00
+#define HUB_TTTT_16_BITS       0x20
+#define HUB_TTTT_24_BITS       0x40
+#define HUB_TTTT_32_BITS       0x60
 
 /* Hub descriptor */
 struct usb_hub_descriptor {
@@ -570,6 +585,8 @@ struct usb_hub_device {
        ulong connect_timeout;          /* Device connection timeout in ms */
        ulong query_delay;              /* Device query delay in ms */
        int overcurrent_count[USB_MAXCHILDREN]; /* Over-current counter */
+       int hub_depth;                  /* USB 3.0 hub depth */
+       struct usb_tt tt;               /* Transaction Translator */
 };
 
 #ifdef CONFIG_DM_USB
@@ -741,6 +758,14 @@ struct dm_usb_ops {
         * reset_root_port() - Reset usb root port
         */
        int (*reset_root_port)(struct udevice *bus, struct usb_device *udev);
+
+       /**
+        * update_hub_device() - Update HCD's internal representation of hub
+        *
+        * After a hub descriptor is fetched, notify HCD so that its internal
+        * representation of this hub can be updated (xHCI)
+        */
+       int (*update_hub_device)(struct udevice *bus, struct usb_device *udev);
 };
 
 #define usb_get_ops(dev)       ((struct dm_usb_ops *)(dev)->driver->ops)
@@ -776,6 +801,14 @@ int usb_setup_device(struct usb_device *dev, bool do_read,
                     struct usb_device *parent);
 
 /**
+ * usb_hub_is_root_hub() - Test whether a hub device is root hub or not
+ *
+ * @hub:       USB hub device to test
+ * @return:    true if the hub device is root hub, false otherwise.
+ */
+bool usb_hub_is_root_hub(struct udevice *hub);
+
+/**
  * usb_hub_scan() - Scan a hub and find its devices
  *
  * @hub:       Hub device to scan
@@ -906,6 +939,17 @@ int usb_new_device(struct usb_device *dev);
 int usb_alloc_device(struct usb_device *dev);
 
 /**
+ * update_hub_device() - Update HCD's internal representation of hub
+ *
+ * After a hub descriptor is fetched, notify HCD so that its internal
+ * representation of this hub can be updated.
+ *
+ * @dev:               Hub device
+ * @return 0 if OK, -ve on error
+ */
+int usb_update_hub_device(struct usb_device *dev);
+
+/**
  * usb_emul_setup_device() - Set up a new USB device emulation
  *
  * This is normally called when a new emulation device is bound. It tells
@@ -918,7 +962,7 @@ int usb_alloc_device(struct usb_device *dev);
  * @desc_list:         List of points or USB descriptors, terminated by NULL.
  *                     The first entry must be struct usb_device_descriptor,
  *                     and others follow on after that.
- * @return 0 if OK, -ve on error
+ * @return 0 if OK, -ENOSYS if not implemented, other -ve on error
  */
 int usb_emul_setup_device(struct udevice *dev, int maxpacketsize,
                          struct usb_string *strings, void **desc_list);