X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fdevices%2Fusb_hub.c;fp=src%2Fdevices%2Fusb_hub.c;h=01bbfb9d6b2d1ddad0ef494e78aac280dc4a1086;hb=b4e9c266d656c6b595cc57920a34937776acc300;hp=0000000000000000000000000000000000000000;hpb=6ffbc2b68c34c2d1e42d5f6bcd8f2b94b82d05d7;p=pintos-anon

diff --git a/src/devices/usb_hub.c b/src/devices/usb_hub.c
new file mode 100644
index 0000000..01bbfb9
--- /dev/null
+++ b/src/devices/usb_hub.c
@@ -0,0 +1,54 @@
+#include "devices/usb.h"
+#include "devices/usb_hub.h"
+#include <lib/debug.h>
+
+#define USB_CLASS_HUB	0x09
+
+#define REQ_HUB_GET_STATUS	0
+#define REQ_HUB_CLEAR_FEATURE	1
+#define REQ_HUB_SET_FEATURE	2
+#define REQ_HUB_GET_DESC	6
+#define REQ_HUB_SET_DESC	7
+#define REQ_HUB_CLEAR_TT_BUF	8
+#define REQ_HUB_RESET_TT	9
+#define REQ_HUB_GET_TT_STATE	10
+#define REQ_HUB_STOP_TT		11
+
+#define HUB_SEL_HUB_POWER		0
+#define HUB_SEL_OVER_CURRENT		1
+#define HUB_SEL_PORT_CONN		0
+#define HUB_SEL_PORT_ENABLE		1
+#define HUB_SEL_PORT_SUSPEND		2
+#define HUB_SEL_PORT_OVER_CURRENT	3
+#define HUB_SEL_PORT_RESET		4
+#define HUB_SEL_PORT_POWER		8
+#define HUB_SEL_PORT_LOW_SPEED		9
+
+#define SETUP_DESC_HUB			0x29
+
+static void* hub_attached(struct usb_iface*);
+static void hub_detached(class_info);
+
+static struct usb_class hub_class = {
+		.attached = hub_attached,
+		.detached = hub_detached,
+		.class_id = USB_CLASS_HUB,
+		.name = "hub"
+		};
+
+
+void usb_hub_init(void)
+{
+	usb_register_class(&hub_class);
+}
+
+
+static void* hub_attached(struct usb_iface* ui UNUSED)
+{
+	return NULL;
+}
+
+static void hub_detached(class_info info UNUSED)
+{
+}
+