au1000_usbdev.h 2.7 KB

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  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. #define USBDEV_REV 0x0110 // BCD
  30. #define USBDEV_EP0_MAX_PACKET_SIZE 64
  31. typedef enum {
  32. ATTACHED = 0,
  33. POWERED,
  34. DEFAULT,
  35. ADDRESS,
  36. CONFIGURED
  37. } usbdev_state_t;
  38. typedef enum {
  39. CB_NEW_STATE = 0,
  40. CB_PKT_COMPLETE
  41. } usbdev_cb_type_t;
  42. typedef struct usbdev_pkt {
  43. int ep_addr; // ep addr this packet routed to
  44. int size; // size of payload in bytes
  45. unsigned status; // packet status
  46. struct usbdev_pkt* next; // function layer can't touch this
  47. u8 payload[0]; // the payload
  48. } usbdev_pkt_t;
  49. #define PKT_STATUS_ACK (1<<0)
  50. #define PKT_STATUS_NAK (1<<1)
  51. #define PKT_STATUS_SU (1<<2)
  52. extern int usbdev_init(struct usb_device_descriptor* dev_desc,
  53. struct usb_config_descriptor* config_desc,
  54. struct usb_interface_descriptor* if_desc,
  55. struct usb_endpoint_descriptor* ep_desc,
  56. struct usb_string_descriptor* str_desc[],
  57. void (*cb)(usbdev_cb_type_t, unsigned long, void *),
  58. void* cb_data);
  59. extern void usbdev_exit(void);
  60. extern int usbdev_alloc_packet (int ep_addr, int data_size,
  61. usbdev_pkt_t** pkt);
  62. extern int usbdev_send_packet (int ep_addr, usbdev_pkt_t* pkt);
  63. extern int usbdev_receive_packet(int ep_addr, usbdev_pkt_t** pkt);
  64. extern int usbdev_get_byte_count(int ep_addr);