diff options
Diffstat (limited to 'include/asm-mips/mach-au1x00/au1000_usbdev.h')
| -rw-r--r-- | include/asm-mips/mach-au1x00/au1000_usbdev.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/include/asm-mips/mach-au1x00/au1000_usbdev.h b/include/asm-mips/mach-au1x00/au1000_usbdev.h new file mode 100644 index 00000000000..05bc74bed0b --- /dev/null +++ b/include/asm-mips/mach-au1x00/au1000_usbdev.h @@ -0,0 +1,73 @@ +/* + * 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); |