include/usb/pxa27x_udc.h

   1 /*
   2  * PXA27x register declarations and HCD data structures
   3  *
   4  * Copyright (C) 2007 Rodolfo Giometti <giometti@linux.it>
   5  * Copyright (C) 2007 Eurotech S.p.A. <info@eurotech.it>
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License as
   9  * published by the Free Software Foundation; either version 2 of
  10  * the License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  20  * MA 02111-1307 USA
  21  */
  22
  23
  24 #ifndef __PXA270X_UDC_H__
  25 #define __PXA270X_UDC_H__
  26
  27 #include <asm/byteorder.h>
  28
  29 /* Endpoint 0 states */
  30 #define EP0_IDLE                0
  31 #define EP0_IN_DATA             1
  32 #define EP0_OUT_DATA            2
  33 #define EP0_XFER_COMPLETE       3
  34
  35
  36 /* Endpoint parameters */
  37 #define MAX_ENDPOINTS           4
  38 #define EP_MAX_PACKET_SIZE      64
  39
  40 #define EP0_MAX_PACKET_SIZE     16
  41 #define UDC_OUT_ENDPOINT        0x02
  42 #define UDC_OUT_PACKET_SIZE     EP_MAX_PACKET_SIZE
  43 #define UDC_IN_ENDPOINT         0x01
  44 #define UDC_IN_PACKET_SIZE      EP_MAX_PACKET_SIZE
  45 #define UDC_INT_ENDPOINT        0x05
  46 #define UDC_INT_PACKET_SIZE     EP_MAX_PACKET_SIZE
  47 #define UDC_BULK_PACKET_SIZE    EP_MAX_PACKET_SIZE
  48
  49 void udc_irq(void);
  50 /* Flow control */
  51 void udc_set_nak(int epid);
  52 void udc_unset_nak(int epid);
  53
  54 /* Higher level functions for abstracting away from specific device */
  55 int udc_endpoint_write(struct usb_endpoint_instance *endpoint);
  56
  57 int  udc_init(void);
  58
  59 void udc_enable(struct usb_device_instance *device);
  60 void udc_disable(void);
  61
  62 void udc_connect(void);
  63 void udc_disconnect(void);
  64
  65 void udc_startup_events(struct usb_device_instance *device);
  66 void udc_setup_ep(struct usb_device_instance *device,
  67          unsigned int ep, struct usb_endpoint_instance *endpoint);
  68
  69 #endif