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