[qemu.git] / hw / usb.h

/*
 * 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);
void usb_hid_datain_cb(USBDevice *dev, void *opaque, void (*datain)(void *));

/* usb-msd.c */
USBDevice *usb_msd_init(const char *filename);

/* usb-net.c */
USBDevice *usb_net_init(NICInfo *nd);

/* usb-bt.c */
USBDevice *usb_bt_init(HCIInfo *hci);

/* 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);
Commit	Line	Data
bb36d470 FB	1	/*
bb36d470 FB	2	* QEMU USB API
5fafdf24	3	*
bb36d470	4	* Copyright (c) 2005 Fabrice Bellard
5fafdf24	5	*
bb36d470 FB	6	* Permission is hereby granted, free of charge, to any person obtaining a copy
	7	* of this software and associated documentation files (the "Software"), to deal
	8	* in the Software without restriction, including without limitation the rights
	9	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	10	* copies of the Software, and to permit persons to whom the Software is
	11	* furnished to do so, subject to the following conditions:
	12	*
	13	* The above copyright notice and this permission notice shall be included in
	14	* all copies or substantial portions of the Software.
	15	*
	16	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	17	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	18	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	19	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	20	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	21	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
	22	* THE SOFTWARE.
	23	*/
	24	#define USB_TOKEN_SETUP 0x2d
	25	#define USB_TOKEN_IN 0x69 /* device -> host */
	26	#define USB_TOKEN_OUT 0xe1 /* host -> device */
	27
	28	/* specific usb messages, also sent in the 'pid' parameter */
	29	#define USB_MSG_ATTACH 0x100
	30	#define USB_MSG_DETACH 0x101
	31	#define USB_MSG_RESET 0x102
	32
5fafdf24	33	#define USB_RET_NODEV (-1)
bb36d470 FB	34	#define USB_RET_NAK (-2)
	35	#define USB_RET_STALL (-3)
	36	#define USB_RET_BABBLE (-4)
4d611c9a	37	#define USB_RET_ASYNC (-5)
bb36d470 FB	38
	39	#define USB_SPEED_LOW 0
	40	#define USB_SPEED_FULL 1
	41	#define USB_SPEED_HIGH 2
	42
	43	#define USB_STATE_NOTATTACHED 0
	44	#define USB_STATE_ATTACHED 1
	45	//#define USB_STATE_POWERED 2
	46	#define USB_STATE_DEFAULT 3
	47	//#define USB_STATE_ADDRESS 4
	48	//#define USB_STATE_CONFIGURED 5
	49	#define USB_STATE_SUSPENDED 6
	50
a594cfbf FB	51	#define USB_CLASS_AUDIO 1
	52	#define USB_CLASS_COMM 2
	53	#define USB_CLASS_HID 3
	54	#define USB_CLASS_PHYSICAL 5
	55	#define USB_CLASS_STILL_IMAGE 6
	56	#define USB_CLASS_PRINTER 7
	57	#define USB_CLASS_MASS_STORAGE 8
	58	#define USB_CLASS_HUB 9
	59	#define USB_CLASS_CDC_DATA 0x0a
	60	#define USB_CLASS_CSCID 0x0b
	61	#define USB_CLASS_CONTENT_SEC 0x0d
	62	#define USB_CLASS_APP_SPEC 0xfe
	63	#define USB_CLASS_VENDOR_SPEC 0xff
	64
bb36d470 FB	65	#define USB_DIR_OUT 0
	66	#define USB_DIR_IN 0x80
	67
	68	#define USB_TYPE_MASK (0x03 << 5)
	69	#define USB_TYPE_STANDARD (0x00 << 5)
	70	#define USB_TYPE_CLASS (0x01 << 5)
	71	#define USB_TYPE_VENDOR (0x02 << 5)
	72	#define USB_TYPE_RESERVED (0x03 << 5)
	73
	74	#define USB_RECIP_MASK 0x1f
	75	#define USB_RECIP_DEVICE 0x00
	76	#define USB_RECIP_INTERFACE 0x01
	77	#define USB_RECIP_ENDPOINT 0x02
	78	#define USB_RECIP_OTHER 0x03
	79
	80	#define DeviceRequest ((USB_DIR_IN\|USB_TYPE_STANDARD\|USB_RECIP_DEVICE)<<8)
	81	#define DeviceOutRequest ((USB_DIR_OUT\|USB_TYPE_STANDARD\|USB_RECIP_DEVICE)<<8)
59ae540c FB	82	#define InterfaceRequest \
	83	((USB_DIR_IN\|USB_TYPE_STANDARD\|USB_RECIP_INTERFACE)<<8)
	84	#define InterfaceOutRequest \
	85	((USB_DIR_OUT\|USB_TYPE_STANDARD\|USB_RECIP_INTERFACE)<<8)
	86	#define EndpointRequest ((USB_DIR_IN\|USB_TYPE_STANDARD\|USB_RECIP_ENDPOINT)<<8)
	87	#define EndpointOutRequest \
	88	((USB_DIR_OUT\|USB_TYPE_STANDARD\|USB_RECIP_ENDPOINT)<<8)
bb36d470 FB	89
	90	#define USB_REQ_GET_STATUS 0x00
	91	#define USB_REQ_CLEAR_FEATURE 0x01
	92	#define USB_REQ_SET_FEATURE 0x03
	93	#define USB_REQ_SET_ADDRESS 0x05
	94	#define USB_REQ_GET_DESCRIPTOR 0x06
	95	#define USB_REQ_SET_DESCRIPTOR 0x07
	96	#define USB_REQ_GET_CONFIGURATION 0x08
	97	#define USB_REQ_SET_CONFIGURATION 0x09
	98	#define USB_REQ_GET_INTERFACE 0x0A
	99	#define USB_REQ_SET_INTERFACE 0x0B
	100	#define USB_REQ_SYNCH_FRAME 0x0C
	101
	102	#define USB_DEVICE_SELF_POWERED 0
	103	#define USB_DEVICE_REMOTE_WAKEUP 1
	104
	105	#define USB_DT_DEVICE 0x01
	106	#define USB_DT_CONFIG 0x02
	107	#define USB_DT_STRING 0x03
	108	#define USB_DT_INTERFACE 0x04
	109	#define USB_DT_ENDPOINT 0x05
	110
942ac052 AZ	111	#define USB_ENDPOINT_XFER_CONTROL 0
	112	#define USB_ENDPOINT_XFER_ISOC 1
	113	#define USB_ENDPOINT_XFER_BULK 2
	114	#define USB_ENDPOINT_XFER_INT 3
	115
bb36d470 FB	116	typedef struct USBPort USBPort;
bb36d470 FB	117	typedef struct USBDevice USBDevice;
4d611c9a	118	typedef struct USBPacket USBPacket;
bb36d470 FB	119
	120	/* definition of a USB device */
	121	struct USBDevice {
	122	void *opaque;
89b9b79f AL	123
	124	/*
	125	* Process USB packet.
	126	* Called by the HC (Host Controller).
	127	*
	128	* Returns length of the transaction
	129	* or one of the USB_RET_XXX codes.
	130	*/
4d611c9a	131	int (handle_packet)(USBDevice dev, USBPacket *p);
89b9b79f AL	132
	133	/*
	134	* Called when device is destroyed.
	135	*/
059809e4 FB	136	void (handle_destroy)(USBDevice dev);
059809e4 FB	137
bb36d470	138	int speed;
3b46e624	139
bb36d470	140	/* The following fields are used by the generic USB device
89b9b79f AL	141	layer. They are here just to avoid creating a new structure
	142	for them. */
	143
	144	/*
	145	* Reset the device
	146	*/
059809e4	147	void (handle_reset)(USBDevice dev);
89b9b79f AL	148
	149	/*
	150	* Process control request.
	151	* Called from handle_packet().
	152	*
	153	* Returns length or one of the USB_RET_ codes.
	154	*/
bb36d470 FB	155	int (handle_control)(USBDevice dev, int request, int value,
bb36d470 FB	156	int index, int length, uint8_t *data);
89b9b79f AL	157
	158	/*
	159	* Process data transfers (both BULK and ISOC).
	160	* Called from handle_packet().
	161	*
	162	* Returns length or one of the USB_RET_ codes.
	163	*/
4d611c9a	164	int (handle_data)(USBDevice dev, USBPacket *p);
89b9b79f	165
bb36d470	166	uint8_t addr;
1f6e24e7	167	char devname[32];
3b46e624	168
bb36d470 FB	169	int state;
	170	uint8_t setup_buf[8];
	171	uint8_t data_buf[1024];
	172	int remote_wakeup;
	173	int setup_state;
	174	int setup_len;
	175	int setup_index;
	176	};
	177
0d92ed30 PB	178	typedef void (usb_attachfn)(USBPort port, USBDevice *dev);
0d92ed30 PB	179
bb36d470 FB	180	/* USB port on which a device can be connected */
bb36d470 FB	181	struct USBPort {
a594cfbf	182	USBDevice *dev;
0d92ed30	183	usb_attachfn attach;
bb36d470 FB	184	void *opaque;
bb36d470 FB	185	int index; /* internal port index, may be used with the opaque */
0d92ed30	186	struct USBPort next; / Used internally by qemu. */
bb36d470 FB	187	};
bb36d470 FB	188
4d611c9a PB	189	typedef void USBCallback(USBPacket * packet, void *opaque);
	190
	191	/* Structure used to hold information about an active USB packet. */
	192	struct USBPacket {
	193	/* Data fields for use by the driver. */
	194	int pid;
	195	uint8_t devaddr;
	196	uint8_t devep;
	197	uint8_t *data;
	198	int len;
	199	/* Internal use by the USB layer. */
	200	USBCallback *complete_cb;
	201	void *complete_opaque;
	202	USBCallback *cancel_cb;
b63891a0	203	void *cancel_opaque;
4d611c9a PB	204	};
	205
	206	/* Defer completion of a USB packet. The hadle_packet routine should then
	207	return USB_RET_ASYNC. Packets that complete immediately (before
	208	handle_packet returns) should not call this method. */
	209	static inline void usb_defer_packet(USBPacket p, USBCallback cancel,
	210	void * opaque)
	211	{
	212	p->cancel_cb = cancel;
	213	p->cancel_opaque = opaque;
	214	}
	215
	216	/* Notify the controller that an async packet is complete. This should only
	217	be called for packets previously deferred with usb_defer_packet, and
	218	should never be called from within handle_packet. */
	219	static inline void usb_packet_complete(USBPacket *p)
	220	{
	221	p->complete_cb(p, p->complete_opaque);
	222	}
	223
	224	/* Cancel an active packet. The packed must have been deferred with
	225	usb_defer_packet, and not yet completed. */
	226	static inline void usb_cancel_packet(USBPacket * p)
	227	{
	228	p->cancel_cb(p, p->cancel_opaque);
	229	}
	230
4b096fc9	231	int usb_device_add_dev(USBDevice *dev);
1f3870ab	232	int usb_device_del_addr(int bus_num, int addr);
bb36d470	233	void usb_attach(USBPort port, USBDevice dev);
4d611c9a	234	int usb_generic_handle_packet(USBDevice s, USBPacket p);
bb36d470	235	int set_usb_string(uint8_t buf, const char str);
4d611c9a PB	236	void usb_send_msg(USBDevice *dev, int msg);
4d611c9a PB	237
bb36d470	238	/* usb hub */
0d92ed30	239	USBDevice *usb_hub_init(int nb_ports);
bb36d470	240
bb36d470	241	/* usb-linux.c */
a594cfbf	242	USBDevice usb_host_device_open(const char devname);
5d0c5750	243	int usb_host_device_close(const char *devname);
a594cfbf	244	void usb_host_info(void);
59ae540c FB	245
	246	/* usb-hid.c */
	247	USBDevice *usb_mouse_init(void);
09b26c5e	248	USBDevice *usb_tablet_init(void);
47b2d338	249	USBDevice *usb_keyboard_init(void);
47e699dc	250	void usb_hid_datain_cb(USBDevice dev, void opaque, void (datain)(void ));
2e5d83bb PB	251
	252	/* usb-msd.c */
	253	USBDevice usb_msd_init(const char filename);
f6d2a316	254
6c9f886c AZ	255	/* usb-net.c */
	256	USBDevice usb_net_init(NICInfo nd);
	257
e6a6d5ab AZ	258	/* usb-bt.c */
	259	USBDevice usb_bt_init(HCIInfo hci);
	260
f6d2a316 AZ	261	/* usb-wacom.c */
f6d2a316 AZ	262	USBDevice *usb_wacom_init(void);
87ecb68b	263
a7954218 AZ	264	/* usb-serial.c */
	265	USBDevice usb_serial_init(const char filename);
	266
87ecb68b PB	267	/* usb ports of the VM */
	268
	269	void qemu_register_usb_port(USBPort port, void opaque, int index,
	270	usb_attachfn attach);
	271
	272	#define VM_USB_HUB_SIZE 8
	273
942ac052 AZ	274	/* usb-musb.c */
	275	enum musb_irq_source_e {
	276	musb_irq_suspend = 0,
	277	musb_irq_resume,
	278	musb_irq_rst_babble,
	279	musb_irq_sof,
	280	musb_irq_connect,
	281	musb_irq_disconnect,
	282	musb_irq_vbus_request,
	283	musb_irq_vbus_error,
	284	musb_irq_rx,
	285	musb_irq_tx,
	286	musb_set_vbus,
	287	musb_set_session,
	288	__musb_irq_max,
	289	};
	290
	291	struct musb_s;
	292	struct musb_s musb_init(qemu_irq irqs);
	293	uint32_t musb_core_intr_get(struct musb_s *s);
	294	void musb_core_intr_clear(struct musb_s *s, uint32_t mask);
	295	void musb_set_size(struct musb_s *s, int epnum, int size, int is_tx);