| /* |
| * BRIEF MODULE DESCRIPTION |
| * Au1000 USB Device-Side Driver |
| * |
| * Copyright 2001 MontaVista Software Inc. |
| * Author: MontaVista Software, Inc. |
| * [email protected] or [email protected] |
| * |
| * 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); |
