root/dev/usb/uowreg.h

INCLUDED FROM

    1 /*      $OpenBSD: uowreg.h,v 1.5 2006/10/08 20:04:23 grange Exp $       */
    3 /*
    4  * Copyright (c) 2006 Alexander Yurchenko <grange@openbsd.org>
    5  *
    6  * Permission to use, copy, modify, and distribute this software for any
    7  * purpose with or without fee is hereby granted, provided that the above
    8  * copyright notice and this permission notice appear in all copies.
    9  *
   10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   17  */
   19 #ifndef _DEV_USB_UOWREG_H_
   20 #define _DEV_USB_UOWREG_H_
   22 /*
   23  * Maxim/Dallas DS2490 USB 1-Wire adapter register definitions.
   24  */
   26 /* USB core interface */
   27 #define DS2490_USB_CONFIG       1       /* configuration */
   28 #define DS2490_USB_IFACE        0       /* interface */
   30 /* Command type codes */
   31 #define DS2490_CONTROL_CMD      0x00    /* control */
   32 #define DS2490_COMM_CMD         0x01    /* communication */
   33 #define DS2490_MODE_CMD         0x02    /* mode */
   35 /* Control command codes */
   36 #define DS2490_CTL_RESET_DEVICE         0x0000
   37 #define DS2490_CTL_START_EXE            0x0001
   38 #define DS2490_CTL_RESUME_EXE           0x0002
   39 #define DS2490_CTL_HALT_EXE_IDLE        0x0003
   40 #define DS2490_CTL_HALT_EXE_DONE        0x0004
   41 #define DS2490_CTL_FLUSH_COMM_CMDS      0x0007
   42 #define DS2490_CTL_FLUSH_RCV_BUFFER     0x0008
   43 #define DS2490_CTL_FLUSH_XMT_BUFFER     0x0009
   44 #define DS2490_CTL_GET_COMM_CMDS        0x000a
   46 /* Communication command codes */
   47 #define DS2490_COMM_SET_DURATION        0x0012
   48 #define DS2490_COMM_PULSE               0x0030
   49 #define DS2490_COMM_1WIRE_RESET         0x0042
   50 #define DS2490_COMM_BIT_IO              0x0020
   51 #define DS2490_COMM_BYTE_IO             0x0052
   52 #define DS2490_COMM_BLOCK_IO            0x0074
   53 #define DS2490_COMM_MATCH_ACCESS        0x0064
   54 #define DS2490_COMM_READ_STRAIGHT       0x0080
   55 #define DS2490_COMM_DO_RELEASE          0x6092
   56 #define DS2490_COMM_SET_PATH            0x00a2
   57 #define DS2490_COMM_WRITE_SRAM_PAGE     0x00b2
   58 #define DS2490_COMM_WRITE_EPROM         0x00c4
   59 #define DS2490_COMM_READ_CRC_PROT_PAGE  0x00d4
   60 #define DS2490_COMM_READ_REDIR_PAGE_CRC 0x21e4
   61 #define DS2490_COMM_SEARCH_ACCESS       0x00f4
   63 /* Communication command embedded command parameter bits */
   64 #define DS2490_BIT_IM                   (1 << 0)
   65 #define DS2490_BIT_D                    (1 << 3)
   66 #define DS2490_BIT_CH                   (1 << 3)
   67 #define DS2490_BIT_R                    (1 << 3)
   68 #define DS2490_BIT_SE                   (1 << 3)
   69 #define DS2490_BIT_SM                   (1 << 3)
   70 #define DS2490_BIT_TYPE                 (1 << 3)
   71 #define DS2490_BIT_Z                    (1 << 3)
   72 #define DS2490_BIT_RST                  (1 << 8)
   73 #define DS2490_BIT_ICP                  (1 << 9)
   74 #define DS2490_BIT_NTF                  (1 << 10)
   75 #define DS2490_BIT_F                    (1 << 11)
   76 #define DS2490_BIT_SPU                  (1 << 12)
   77 #define DS2490_BIT_DT                   (1 << 13)
   78 #define DS2490_BIT_CIB                  (1 << 14)
   79 #define DS2490_BIT_PS                   (1 << 14)
   80 #define DS2490_BIT_PST                  (1 << 14)
   81 #define DS2490_BIT_RTS                  (1 << 14)
   83 /* Mode command codes */
   84 #define DS2490_MOD_PULSE_EN             0x0000
   85 #define DS2490_MOD_SPEED_CHANGE_EN      0x0001
   86 #define DS2490_MOD_1WIRE_SPEED          0x0002
   87 #define DS2490_MOD_STRONG_PU_DURATION   0x0003
   88 #define DS2490_MOD_PULLDOWN_SLEWRATE    0x0004
   89 #define DS2490_MOD_PROG_PULSE_DURATION  0x0005
   90 #define DS2490_MOD_WRITE1_LOWTIME       0x0006
   91 #define DS2490_MOD_DSOW0_TREC           0x0007
   93 /* State registers */
   94 #define DS2490_ST_BEGIN         0x00
   95 #define DS2490_ST_ENFL          0x00    /* enabled flags */
   96 #define DS2490_ST_ENFL_SPUE             (1 << 0)        /* strong pullup */
   97 #define DS2490_ST_ENFL_PRGE             (1 << 1)        /* programming pulse */
   98 #define DS2490_ST_ENFL_SPCE             (1 << 2)        /* speed change */
   99 #define DS2490_ST_SPEED         0x01    /* bus speed */
  100 #define DS2490_ST_SPUDUR        0x02    /* strong pullup duration */
  101 #define DS2490_ST_PRGDUR        0x03    /* programming pullup duration */
  102 #define DS2490_ST_PDSRC         0x04    /* pulldown slew rate control */
  103 #define DS2490_ST_W1LT          0x05    /* write-1 low time */
  104 #define DS2490_ST_DSO           0x06    /* data sample offset */
  105 #define DS2490_ST_STFL          0x08    /* status flags */
  106 #define DS2490_ST_STFL_SPUA             (1 << 0)        /* strong pullup */
  107 #define DS2490_ST_STFL_PRGA             (1 << 1)        /* programming pulse */
  108 #define DS2490_ST_STFL_12VP             (1 << 2)        /* 12V prog voltage */
  109 #define DS2490_ST_STFL_PMOD             (1 << 3)        /* ext power */
  110 #define DS2490_ST_STFL_HALT             (1 << 4)        /* halted */
  111 #define DS2490_ST_STFL_IDLE             (1 << 5)        /* idle */
  112 #define DS2490_ST_STFL_EP0F             (1 << 7)        /* EP0 FIFO status */
  113 #define DS2490_ST_STFL_BITS             "\020\001SPUA\002PRGA\00312VP\004PMOD\005HALT\006IDLE\010EP0F"
  115 #define DS2490_ST_CC1           0x09    /* communication command byte 1 */
  116 #define DS2490_ST_CC2           0x0a    /* communication command byte 2 */
  117 #define DS2490_ST_CCBUF         0x0b    /* communication command buf status */
  118 #define DS2490_ST_OBUF          0x0c    /* data out buf status */
  119 #define DS2490_ST_IBUF          0x0d    /* data in buf status */
  120 #define DS2490_ST_END           0x0f
  122 /* Result registers */
  123 #define DS2490_RES_BEGIN        0x10
  124 #define DS2490_RES_END          0x1f
  125 #define DS2490_RES_DETECT       0xa5    /* device detect */
  127 #define DS2490_NREGS            (DS2490_RES_END + 1)
  129 #define DS2490_CMDFIFOSIZE      16      /* command FIFO size */
  130 #define DS2490_DATAFIFOSIZE     128     /* data FIFO size */
  132 #endif  /* !_DEV_USB_UOWREG_H_ */