1/*
2 * BRIEF MODULE DESCRIPTION
3 *	Au1000 USB Device-Side Driver
4 *
5 * Copyright 2001 MontaVista Software Inc.
6 * Author: MontaVista Software, Inc.
7 *		stevel@mvista.com or source@mvista.com
8 *
9 *  This program is free software; you can redistribute	 it and/or modify it
10 *  under  the terms of	 the GNU General  Public License as published by the
11 *  Free Software Foundation;  either version 2 of the	License, or (at your
12 *  option) any later version.
13 *
14 *  THIS  SOFTWARE  IS PROVIDED	  ``AS	IS'' AND   ANY	EXPRESS OR IMPLIED
15 *  WARRANTIES,	  INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
16 *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
17 *  NO	EVENT  SHALL   THE AUTHOR  BE	 LIABLE FOR ANY	  DIRECT, INDIRECT,
18 *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 *  NOT LIMITED	  TO, PROCUREMENT OF  SUBSTITUTE GOODS	OR SERVICES; LOSS OF
20 *  USE, DATA,	OR PROFITS; OR	BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
21 *  ANY THEORY OF LIABILITY, WHETHER IN	 CONTRACT, STRICT LIABILITY, OR TORT
22 *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 *
25 *  You should have received a copy of the  GNU General Public License along
26 *  with this program; if not, write  to the Free Software Foundation, Inc.,
27 *  675 Mass Ave, Cambridge, MA 02139, USA.
28 */
29
30#define USBDEV_REV 0x0110 // BCD
31#define USBDEV_EP0_MAX_PACKET_SIZE 64
32
33typedef enum {
34	ATTACHED = 0,
35	POWERED,
36	DEFAULT,
37	ADDRESS,
38	CONFIGURED
39} usbdev_state_t;
40
41typedef enum {
42	CB_NEW_STATE = 0,
43	CB_PKT_COMPLETE
44} usbdev_cb_type_t;
45
46
47typedef struct usbdev_pkt {
48	int                ep_addr;    // ep addr this packet routed to
49	int                size;       // size of payload in bytes
50	unsigned           status;     // packet status
51	struct usbdev_pkt* next;       // function layer can't touch this
52	u8                 payload[0]; // the payload
53} usbdev_pkt_t;
54
55#define PKT_STATUS_ACK  (1<<0)
56#define PKT_STATUS_NAK  (1<<1)
57#define PKT_STATUS_SU   (1<<2)
58
59extern int usbdev_init(struct usb_device_descriptor* dev_desc,
60		       struct usb_config_descriptor* config_desc,
61		       struct usb_interface_descriptor* if_desc,
62		       struct usb_endpoint_descriptor* ep_desc,
63		       struct usb_string_descriptor* str_desc[],
64		       void (*cb)(usbdev_cb_type_t, unsigned long, void *),
65		       void* cb_data);
66
67extern void usbdev_exit(void);
68
69extern int usbdev_alloc_packet  (int ep_addr, int data_size,
70				 usbdev_pkt_t** pkt);
71extern int usbdev_send_packet   (int ep_addr, usbdev_pkt_t* pkt);
72extern int usbdev_receive_packet(int ep_addr, usbdev_pkt_t** pkt);
73extern int usbdev_get_byte_count(int ep_addr);
74