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