FreeBSD/Linux Kernel Cross Reference
sys/dev/usb/uftdiio.h

     /*-
      * Copyright 2008-2012 - Symmetricom, Inc.
      * All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
      * 1. Redistributions of source code must retain the above copyright
      *    notice, this list of conditions, and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
     *
     *  $FreeBSD: releng/11.2/sys/dev/usb/uftdiio.h 286385 2015-08-06 19:47:04Z ian $ 
     */
    
    /*
     * FTDI USB serial converter chip ioctl commands.
     */
    
    #ifndef _USB_UFTDIIO_H_
    #define _USB_UFTDIIO_H_
    
    #include <sys/ioccom.h>
    
    enum uftdi_bitmodes
    {
            UFTDI_BITMODE_ASYNC = 0,
            UFTDI_BITMODE_MPSSE = 1,
            UFTDI_BITMODE_SYNC = 2,
            UFTDI_BITMODE_CPU_EMUL = 3,
            UFTDI_BITMODE_FAST_SERIAL = 4,
            UFTDI_BITMODE_CBUS = 5,
            UFTDI_BITMODE_NONE = 0xff,      /* aka UART mode. */
    };
    
    /*
     * For UFTDIIOC_SET_BITMODE:
     *   mode   = One of the uftdi_bitmodes enum values.
     *   iomask = Mask of bits enabled for bitbang output.
     *
     * For UFTDIIOC_GET_BITMODE:
     *   mode   = Mode most recently set using UFTDIIOC_SET_BITMODE.
     *   iomask = Returned snapshot of DBUS0..DBUS7 pin states at time of call.
     *            Pin states can be read in any mode, not just bitbang modes.
     */
    struct uftdi_bitmode
    {
            uint8_t mode;
            uint8_t iomask;
    };
    
    /*
     * For UFTDIIOC_READ_EEPROM, UFTDIIOC_WRITE_EEPROM:
     *
     * IO is done in 16-bit words at the chip level; offset and length are in bytes,
     * but must each be evenly divisible by two.
     *
     * It is not necessary to erase before writing.  For the FT232R device (only)
     * you must set the latency timer to 0x77 before doing a series of eeprom writes
     * (and restore it to the prior value when done).
     */
    struct uftdi_eeio
    {
            uint16_t offset;
            uint16_t length;
            uint16_t data[64];
    };
    
    /* Pass this value to confirm that eeprom erase request is not accidental. */
    #define UFTDI_CONFIRM_ERASE     0x26139108
    
    #define UFTDIIOC_RESET_IO       _IO('c', 0)     /* Reset config, flush fifos.*/
    #define UFTDIIOC_RESET_RX       _IO('c', 1)     /* Flush input fifo. */
    #define UFTDIIOC_RESET_TX       _IO('c', 2)     /* Flush output fifo. */
    #define UFTDIIOC_SET_BITMODE    _IOW('c', 3, struct uftdi_bitmode)
    #define UFTDIIOC_GET_BITMODE    _IOR('c', 4, struct uftdi_bitmode)
    #define UFTDIIOC_SET_ERROR_CHAR _IOW('c', 5, int)       /* -1 to disable */
    #define UFTDIIOC_SET_EVENT_CHAR _IOW('c', 6, int)       /* -1 to disable */
    #define UFTDIIOC_SET_LATENCY    _IOW('c', 7, int)       /* 1-255 ms */
    #define UFTDIIOC_GET_LATENCY    _IOR('c', 8, int)
    #define UFTDIIOC_GET_HWREV      _IOR('c', 9, int)
    #define UFTDIIOC_READ_EEPROM    _IOWR('c', 10, struct uftdi_eeio)
    #define UFTDIIOC_WRITE_EEPROM   _IOW('c', 11, struct uftdi_eeio)
    #define UFTDIIOC_ERASE_EEPROM   _IOW('c', 12, int)
    
    #endif

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