Initial support for USB hubs.

[seabios.git] / src / usb-hub.h

diff --git a/src/usb-hub.h b/src/usb-hub.h
new file mode 100644 (file)
index 0000000..24d8f1f
--- /dev/null
+++ b/src/usb-hub.h
@@ -0,0 +1,57 @@
+#ifndef __USB_HUB_H
+#define __USB_HUB_H
+
+// usb-hub.c
+int usb_hub_init(u32 endp);
+
+
+/****************************************************************
+ * hub flags
+ ****************************************************************/
+
+#define USB_DT_HUB                      (USB_TYPE_CLASS | 0x09)
+
+struct usb_hub_descriptor {
+    u8  bDescLength;
+    u8  bDescriptorType;
+    u8  bNbrPorts;
+    u16 wHubCharacteristics;
+    u8  bPwrOn2PwrGood;
+    u8  bHubContrCurrent;
+    // Variable length fields for DeviceRemovable[], PortPwrCtrlMask[] follow.
+} PACKED;
+
+#define USB_PORT_FEAT_CONNECTION        0
+#define USB_PORT_FEAT_ENABLE            1
+#define USB_PORT_FEAT_SUSPEND           2
+#define USB_PORT_FEAT_OVER_CURRENT      3
+#define USB_PORT_FEAT_RESET             4
+#define USB_PORT_FEAT_POWER             8
+#define USB_PORT_FEAT_LOWSPEED          9
+#define USB_PORT_FEAT_C_CONNECTION      16
+#define USB_PORT_FEAT_C_ENABLE          17
+#define USB_PORT_FEAT_C_SUSPEND         18
+#define USB_PORT_FEAT_C_OVER_CURRENT    19
+#define USB_PORT_FEAT_C_RESET           20
+#define USB_PORT_FEAT_TEST              21
+#define USB_PORT_FEAT_INDICATOR         22
+#define USB_PORT_FEAT_C_PORT_L1         23
+
+struct usb_port_status {
+    u16 wPortStatus;
+    u16 wPortChange;
+} PACKED;
+
+#define USB_PORT_STAT_CONNECTION        0x0001
+#define USB_PORT_STAT_ENABLE            0x0002
+#define USB_PORT_STAT_SUSPEND           0x0004
+#define USB_PORT_STAT_OVERCURRENT       0x0008
+#define USB_PORT_STAT_RESET             0x0010
+#define USB_PORT_STAT_L1                0x0020
+#define USB_PORT_STAT_POWER             0x0100
+#define USB_PORT_STAT_LOW_SPEED         0x0200
+#define USB_PORT_STAT_HIGH_SPEED        0x0400
+#define USB_PORT_STAT_TEST              0x0800
+#define USB_PORT_STAT_INDICATOR         0x1000
+
+#endif // ush-hid.h