linux/drivers/watchdog/wd501p.h
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   1/*
   2 *      Industrial Computer Source WDT500/501 driver
   3 *
   4 *      (c) Copyright 1995      CymruNET Ltd
   5 *                              Innovation Centre
   6 *                              Singleton Park
   7 *                              Swansea
   8 *                              Wales
   9 *                              UK
  10 *                              SA2 8PP
  11 *
  12 *      http://www.cymru.net
  13 *
  14 *      This driver is provided under the GNU General Public License,
  15 *      incorporated herein by reference. The driver is provided without
  16 *      warranty or support.
  17 *
  18 *      Release 0.04.
  19 *
  20 */
  21
  22
  23#define WDT_COUNT0              (io+0)
  24#define WDT_COUNT1              (io+1)
  25#define WDT_COUNT2              (io+2)
  26#define WDT_CR                  (io+3)
  27#define WDT_SR                  (io+4)  /* Start buzzer on PCI write */
  28#define WDT_RT                  (io+5)  /* Stop buzzer on PCI write */
  29#define WDT_BUZZER              (io+6)  /* PCI only: rd=disable, wr=enable */
  30#define WDT_DC                  (io+7)
  31
  32/* The following are only on the PCI card, they're outside of I/O space on
  33 * the ISA card: */
  34#define WDT_CLOCK               (io+12) /* COUNT2: rd=16.67MHz, wr=2.0833MHz */
  35/* inverted opto isolated reset output: */
  36#define WDT_OPTONOTRST          (io+13) /* wr=enable, rd=disable */
  37/* opto isolated reset output: */
  38#define WDT_OPTORST             (io+14) /* wr=enable, rd=disable */
  39/* programmable outputs: */
  40#define WDT_PROGOUT             (io+15) /* wr=enable, rd=disable */
  41
  42                                                         /* FAN 501 500 */
  43#define WDC_SR_WCCR             1       /* Active low */ /*  X   X   X  */
  44#define WDC_SR_TGOOD            2                        /*  X   X   -  */
  45#define WDC_SR_ISOI0            4                        /*  X   X   X  */
  46#define WDC_SR_ISII1            8                        /*  X   X   X  */
  47#define WDC_SR_FANGOOD          16                       /*  X   -   -  */
  48#define WDC_SR_PSUOVER          32      /* Active low */ /*  X   X   -  */
  49#define WDC_SR_PSUUNDR          64      /* Active low */ /*  X   X   -  */
  50#define WDC_SR_IRQ              128     /* Active low */ /*  X   X   X  */
  51
  52
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