1 /*- 2 * Copyright 2008-2012 - Symmetricom, Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions, and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 18 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 */ 27 28 /* 29 * FTDI USB serial converter chip ioctl commands. 30 */ 31 32 #ifndef _USB_UFTDIIO_H_ 33 #define _USB_UFTDIIO_H_ 34 35 #include <sys/ioccom.h> 36 37 enum uftdi_bitmodes 38 { 39 UFTDI_BITMODE_ASYNC = 0, 40 UFTDI_BITMODE_MPSSE = 1, 41 UFTDI_BITMODE_SYNC = 2, 42 UFTDI_BITMODE_CPU_EMUL = 3, 43 UFTDI_BITMODE_FAST_SERIAL = 4, 44 UFTDI_BITMODE_CBUS = 5, 45 UFTDI_BITMODE_NONE = 0xff, /* aka UART mode. */ 46 }; 47 48 /* 49 * For UFTDIIOC_SET_BITMODE: 50 * mode = One of the uftdi_bitmodes enum values. 51 * iomask = Mask of bits enabled for bitbang output. 52 * 53 * For UFTDIIOC_GET_BITMODE: 54 * mode = Mode most recently set using UFTDIIOC_SET_BITMODE. 55 * iomask = Returned snapshot of DBUS0..DBUS7 pin states at time of call. 56 * Pin states can be read in any mode, not just bitbang modes. 57 */ 58 struct uftdi_bitmode 59 { 60 uint8_t mode; 61 uint8_t iomask; 62 }; 63 64 /* 65 * For UFTDIIOC_READ_EEPROM, UFTDIIOC_WRITE_EEPROM: 66 * 67 * IO is done in 16-bit words at the chip level; offset and length are in bytes, 68 * but must each be evenly divisible by two. 69 * 70 * It is not necessary to erase before writing. For the FT232R device (only) 71 * you must set the latency timer to 0x77 before doing a series of eeprom writes 72 * (and restore it to the prior value when done). 73 */ 74 struct uftdi_eeio 75 { 76 uint16_t offset; 77 uint16_t length; 78 uint16_t data[64]; 79 }; 80 81 /* Pass this value to confirm that eeprom erase request is not accidental. */ 82 #define UFTDI_CONFIRM_ERASE 0x26139108 83 84 #define UFTDIIOC_RESET_IO _IO('c', 0) /* Reset config, flush fifos.*/ 85 #define UFTDIIOC_RESET_RX _IO('c', 1) /* Flush input fifo. */ 86 #define UFTDIIOC_RESET_TX _IO('c', 2) /* Flush output fifo. */ 87 #define UFTDIIOC_SET_BITMODE _IOW('c', 3, struct uftdi_bitmode) 88 #define UFTDIIOC_GET_BITMODE _IOR('c', 4, struct uftdi_bitmode) 89 #define UFTDIIOC_SET_ERROR_CHAR _IOW('c', 5, int) /* -1 to disable */ 90 #define UFTDIIOC_SET_EVENT_CHAR _IOW('c', 6, int) /* -1 to disable */ 91 #define UFTDIIOC_SET_LATENCY _IOW('c', 7, int) /* 1-255 ms */ 92 #define UFTDIIOC_GET_LATENCY _IOR('c', 8, int) 93 #define UFTDIIOC_GET_HWREV _IOR('c', 9, int) 94 #define UFTDIIOC_READ_EEPROM _IOWR('c', 10, struct uftdi_eeio) 95 #define UFTDIIOC_WRITE_EEPROM _IOW('c', 11, struct uftdi_eeio) 96 #define UFTDIIOC_ERASE_EEPROM _IOW('c', 12, int) 97 98 #endif 99