auto import from //depot/cupcake/@135843

1 files changed, 291 insertions, 0 deletions

diff --git a/hw/usb.h b/hw/usb.h
new file mode 100644
index 0000000..1a353bb
--- /dev/null
+++ b/hw/usb.h
@@ -0,0 +1,291 @@
+/*
+ * QEMU USB API
+ *
+ * Copyright (c) 2005 Fabrice Bellard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#define USB_TOKEN_SETUP 0x2d
+#define USB_TOKEN_IN    0x69 /* device -> host */
+#define USB_TOKEN_OUT   0xe1 /* host -> device */
+
+/* specific usb messages, also sent in the 'pid' parameter */
+#define USB_MSG_ATTACH   0x100
+#define USB_MSG_DETACH   0x101
+#define USB_MSG_RESET    0x102
+
+#define USB_RET_NODEV  (-1)
+#define USB_RET_NAK    (-2)
+#define USB_RET_STALL  (-3)
+#define USB_RET_BABBLE (-4)
+#define USB_RET_ASYNC  (-5)
+
+#define USB_SPEED_LOW   0
+#define USB_SPEED_FULL  1
+#define USB_SPEED_HIGH  2
+
+#define USB_STATE_NOTATTACHED 0
+#define USB_STATE_ATTACHED    1
+//#define USB_STATE_POWERED     2
+#define USB_STATE_DEFAULT     3
+//#define USB_STATE_ADDRESS     4
+//#define	USB_STATE_CONFIGURED  5
+#define USB_STATE_SUSPENDED   6
+
+#define USB_CLASS_AUDIO			1
+#define USB_CLASS_COMM			2
+#define USB_CLASS_HID			3
+#define USB_CLASS_PHYSICAL		5
+#define USB_CLASS_STILL_IMAGE		6
+#define USB_CLASS_PRINTER		7
+#define USB_CLASS_MASS_STORAGE		8
+#define USB_CLASS_HUB			9
+#define USB_CLASS_CDC_DATA		0x0a
+#define USB_CLASS_CSCID			0x0b
+#define USB_CLASS_CONTENT_SEC		0x0d
+#define USB_CLASS_APP_SPEC		0xfe
+#define USB_CLASS_VENDOR_SPEC		0xff
+
+#define USB_DIR_OUT			0
+#define USB_DIR_IN			0x80
+
+#define USB_TYPE_MASK			(0x03 << 5)
+#define USB_TYPE_STANDARD		(0x00 << 5)
+#define USB_TYPE_CLASS			(0x01 << 5)
+#define USB_TYPE_VENDOR			(0x02 << 5)
+#define USB_TYPE_RESERVED		(0x03 << 5)
+
+#define USB_RECIP_MASK			0x1f
+#define USB_RECIP_DEVICE		0x00
+#define USB_RECIP_INTERFACE		0x01
+#define USB_RECIP_ENDPOINT		0x02
+#define USB_RECIP_OTHER			0x03
+
+#define DeviceRequest ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_DEVICE)<<8)
+#define DeviceOutRequest ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_DEVICE)<<8)
+#define InterfaceRequest \
+        ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8)
+#define InterfaceOutRequest \
+        ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8)
+#define EndpointRequest ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_ENDPOINT)<<8)
+#define EndpointOutRequest \
+        ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_ENDPOINT)<<8)
+
+#define USB_REQ_GET_STATUS		0x00
+#define USB_REQ_CLEAR_FEATURE		0x01
+#define USB_REQ_SET_FEATURE		0x03
+#define USB_REQ_SET_ADDRESS		0x05
+#define USB_REQ_GET_DESCRIPTOR		0x06
+#define USB_REQ_SET_DESCRIPTOR		0x07
+#define USB_REQ_GET_CONFIGURATION	0x08
+#define USB_REQ_SET_CONFIGURATION	0x09
+#define USB_REQ_GET_INTERFACE		0x0A
+#define USB_REQ_SET_INTERFACE		0x0B
+#define USB_REQ_SYNCH_FRAME		0x0C
+
+#define USB_DEVICE_SELF_POWERED		0
+#define USB_DEVICE_REMOTE_WAKEUP	1
+
+#define USB_DT_DEVICE			0x01
+#define USB_DT_CONFIG			0x02
+#define USB_DT_STRING			0x03
+#define USB_DT_INTERFACE		0x04
+#define USB_DT_ENDPOINT			0x05
+
+#define USB_ENDPOINT_XFER_CONTROL	0
+#define USB_ENDPOINT_XFER_ISOC		1
+#define USB_ENDPOINT_XFER_BULK		2
+#define USB_ENDPOINT_XFER_INT		3
+
+typedef struct USBPort USBPort;
+typedef struct USBDevice USBDevice;
+typedef struct USBPacket USBPacket;
+
+/* definition of a USB device */
+struct USBDevice {
+    void *opaque;
+
+    /* 
+     * Process USB packet. 
+     * Called by the HC (Host Controller).
+     *
+     * Returns length of the transaction 
+     * or one of the USB_RET_XXX codes.
+     */ 
+    int (*handle_packet)(USBDevice *dev, USBPacket *p);
+
+    /* 
+     * Called when device is destroyed.
+     */
+    void (*handle_destroy)(USBDevice *dev);
+
+    int speed;
+
+    /* The following fields are used by the generic USB device
+       layer. They are here just to avoid creating a new structure 
+       for them. */
+
+    /*
+     * Reset the device
+     */  
+    void (*handle_reset)(USBDevice *dev);
+
+    /*
+     * Process control request.
+     * Called from handle_packet().
+     *
+     * Returns length or one of the USB_RET_ codes.
+     */
+    int (*handle_control)(USBDevice *dev, int request, int value,
+                          int index, int length, uint8_t *data);
+
+    /*
+     * Process data transfers (both BULK and ISOC).
+     * Called from handle_packet().
+     *
+     * Returns length or one of the USB_RET_ codes.
+     */
+    int (*handle_data)(USBDevice *dev, USBPacket *p);
+
+    uint8_t addr;
+    char devname[32];
+
+    int state;
+    uint8_t setup_buf[8];
+    uint8_t data_buf[1024];
+    int remote_wakeup;
+    int setup_state;
+    int setup_len;
+    int setup_index;
+};
+
+typedef void (*usb_attachfn)(USBPort *port, USBDevice *dev);
+
+/* USB port on which a device can be connected */
+struct USBPort {
+    USBDevice *dev;
+    usb_attachfn attach;
+    void *opaque;
+    int index; /* internal port index, may be used with the opaque */
+    struct USBPort *next; /* Used internally by qemu.  */
+};
+
+typedef void USBCallback(USBPacket * packet, void *opaque);
+
+/* Structure used to hold information about an active USB packet.  */
+struct USBPacket {
+    /* Data fields for use by the driver.  */
+    int pid;
+    uint8_t devaddr;
+    uint8_t devep;
+    uint8_t *data;
+    int len;
+    /* Internal use by the USB layer.  */
+    USBCallback *complete_cb;
+    void *complete_opaque;
+    USBCallback *cancel_cb;
+    void *cancel_opaque;
+};
+
+/* Defer completion of a USB packet.  The hadle_packet routine should then
+   return USB_RET_ASYNC.  Packets that complete immediately (before
+   handle_packet returns) should not call this method.  */
+static inline void usb_defer_packet(USBPacket *p, USBCallback *cancel,
+                                    void * opaque)
+{
+    p->cancel_cb = cancel;
+    p->cancel_opaque = opaque;
+}
+
+/* Notify the controller that an async packet is complete.  This should only
+   be called for packets previously deferred with usb_defer_packet, and
+   should never be called from within handle_packet.  */
+static inline void usb_packet_complete(USBPacket *p)
+{
+    p->complete_cb(p, p->complete_opaque);
+}
+
+/* Cancel an active packet.  The packed must have been deferred with
+   usb_defer_packet,  and not yet completed.  */
+static inline void usb_cancel_packet(USBPacket * p)
+{
+    p->cancel_cb(p, p->cancel_opaque);
+}
+
+int usb_device_add_dev(USBDevice *dev);
+int usb_device_del_addr(int bus_num, int addr);
+void usb_attach(USBPort *port, USBDevice *dev);
+int usb_generic_handle_packet(USBDevice *s, USBPacket *p);
+int set_usb_string(uint8_t *buf, const char *str);
+void usb_send_msg(USBDevice *dev, int msg);
+
+/* usb hub */
+USBDevice *usb_hub_init(int nb_ports);
+
+/* usb-linux.c */
+USBDevice *usb_host_device_open(const char *devname);
+int usb_host_device_close(const char *devname);
+void usb_host_info(void);
+
+/* usb-hid.c */
+USBDevice *usb_mouse_init(void);
+USBDevice *usb_tablet_init(void);
+USBDevice *usb_keyboard_init(void);
+
+/* usb-msd.c */
+USBDevice *usb_msd_init(const char *filename);
+
+/* usb-net.c */
+USBDevice *usb_net_init(NICInfo *nd);
+
+/* usb-wacom.c */
+USBDevice *usb_wacom_init(void);
+
+/* usb-serial.c */
+USBDevice *usb_serial_init(const char *filename);
+
+/* usb ports of the VM */
+
+void qemu_register_usb_port(USBPort *port, void *opaque, int index,
+                            usb_attachfn attach);
+
+#define VM_USB_HUB_SIZE 8
+
+/* usb-musb.c */
+enum musb_irq_source_e {
+    musb_irq_suspend = 0,
+    musb_irq_resume,
+    musb_irq_rst_babble,
+    musb_irq_sof,
+    musb_irq_connect,
+    musb_irq_disconnect,
+    musb_irq_vbus_request,
+    musb_irq_vbus_error,
+    musb_irq_rx,
+    musb_irq_tx,
+    musb_set_vbus,
+    musb_set_session,
+    __musb_irq_max,
+};
+
+struct musb_s;
+struct musb_s *musb_init(qemu_irq *irqs);
+uint32_t musb_core_intr_get(struct musb_s *s);
+void musb_core_intr_clear(struct musb_s *s, uint32_t mask);
+void musb_set_size(struct musb_s *s, int epnum, int size, int is_tx);