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/*
* BRIEF MODULE DESCRIPTION
* Au1000 USB Device-Side Driver
*
* Copyright 2001 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* stevel@mvista.com or source@mvista.com
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#define USBDEV_REV 0x0110 // BCD
#define USBDEV_EP0_MAX_PACKET_SIZE 64
typedef enum {
ATTACHED = 0,
POWERED,
DEFAULT,
ADDRESS,
CONFIGURED
} usbdev_state_t;
typedef enum {
CB_NEW_STATE = 0,
CB_PKT_COMPLETE
} usbdev_cb_type_t;
typedef struct usbdev_pkt {
int ep_addr; // ep addr this packet routed to
int size; // size of payload in bytes
unsigned status; // packet status
struct usbdev_pkt* next; // function layer can't touch this
u8 payload[0]; // the payload
} usbdev_pkt_t;
#define PKT_STATUS_ACK (1<<0)
#define PKT_STATUS_NAK (1<<1)
#define PKT_STATUS_SU (1<<2)
extern int usbdev_init(struct usb_device_descriptor* dev_desc,
struct usb_config_descriptor* config_desc,
struct usb_interface_descriptor* if_desc,
struct usb_endpoint_descriptor* ep_desc,
struct usb_string_descriptor* str_desc[],
void (*cb)(usbdev_cb_type_t, unsigned long, void *),
void* cb_data);
extern void usbdev_exit(void);
extern int usbdev_alloc_packet (int ep_addr, int data_size,
usbdev_pkt_t** pkt);
extern int usbdev_send_packet (int ep_addr, usbdev_pkt_t* pkt);
extern int usbdev_receive_packet(int ep_addr, usbdev_pkt_t** pkt);
extern int usbdev_get_byte_count(int ep_addr);
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