| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
| 33 | typedef enum { |
| 34 | ATTACHED = 0, |
| 35 | POWERED, |
| 36 | DEFAULT, |
| 37 | ADDRESS, |
| 38 | CONFIGURED |
| 39 | } usbdev_state_t; |
| 40 | |
| 41 | typedef enum { |
| 42 | CB_NEW_STATE = 0, |
| 43 | CB_PKT_COMPLETE |
| 44 | } usbdev_cb_type_t; |
| 45 | |
| 46 | |
| 47 | typedef 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 | |
| 59 | extern 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 | |
| 67 | extern void usbdev_exit(void); |
| 68 | |
| 69 | extern int usbdev_alloc_packet (int ep_addr, int data_size, |
| 70 | usbdev_pkt_t** pkt); |
| 71 | extern int usbdev_send_packet (int ep_addr, usbdev_pkt_t* pkt); |
| 72 | extern int usbdev_receive_packet(int ep_addr, usbdev_pkt_t** pkt); |
| 73 | extern int usbdev_get_byte_count(int ep_addr); |