Usb Stack: only setup packet handling, and not enabled by default as there is a lot to do.

* settings code is not fully ready -> changing device driver has no effect
* clean ups
* check copyriths
* find a way to detect IN transfers
* support for full and highspeed
* ...




git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14470 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 84 insertions, 0 deletions

diff --git a/firmware/usbstack/core.h b/firmware/usbstack/core.h
new file mode 100644
index 0000000..7bda293
--- /dev/null
+++ b/firmware/usbstack/core.h
@@ -0,0 +1,84 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id: arcotg_udc.c 12340 2007-02-16 22:13:21Z barrywardell $
+ *
+ * Copyright (C) 2007 by Christian Gmeiner
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#ifndef _USBSTACK_CORE_H_
+#define _USBSTACK_CORE_H_
+
+#include "linkedlist.h"
+#include "usb_ch9.h"
+#include "logf.h"
+#include "system.h"
+
+#include "usbstack.h"
+
+/*
+ * stack datatypes
+ */
+struct usb_response {
+    void* buf;
+    uint32_t length;
+};
+
+struct usb_ep {
+    const char name[15];
+    uint8_t type;
+    uint32_t ep_num;	/* which endpoint? */
+    uint32_t pipe_num;  /* which pipe? */
+    uint32_t maxpacket;
+    bool claimed;
+
+    struct usb_endpoint_descriptor *desc;
+    struct list_head list;
+};
+
+#include "usbstack/controller.h"
+#include "usbstack/device.h"
+#include "usbstack/host.h"
+
+#define NUM_DRIVERS 3
+
+/*
+ * usb core
+ */
+struct usb_core {
+    /* we can have maximum two controllers (one device, one host) */
+    struct usb_controller* controller[2];
+    struct usb_controller* active_controller;
+    /* device driver used by stack */
+    struct usb_device_driver* device_driver;
+    /* for each type of driver use own array */
+    struct usb_host_driver* host_drivers[NUM_DRIVERS];
+    struct usb_device_driver* device_drivers[NUM_DRIVERS];
+    enum usb_controller_type mode;
+    bool running;
+};
+
+void usb_stack_irq(void);
+void usb_stack_work(void);
+
+/* endpoint configuration */
+void usb_ep_autoconfig_reset(void);
+struct usb_ep* usb_ep_autoconfig(struct usb_endpoint_descriptor* desc);
+
+/* only used for debug */
+void into_usb_ctrlrequest(struct usb_ctrlrequest* request);
+
+extern struct usb_core usbcore;
+
+#endif /*_USBSTACK_CORE_H_*/