drivers/watchdog/wd501p.h

0001 /* SPDX-License-Identifier: GPL-1.0+ */
0002 /*
0003  *  Industrial Computer Source WDT500/501 driver
0004  *
0005  *  (c) Copyright 1995  CymruNET Ltd
0006  *              Innovation Centre
0007  *              Singleton Park
0008  *              Swansea
0009  *              Wales
0010  *              UK
0011  *              SA2 8PP
0012  *
0013  *  http://www.cymru.net
0014  *
0015  *  Release 0.04.
0016  */
0017
0018
0019 #define WDT_COUNT0      (io+0)
0020 #define WDT_COUNT1      (io+1)
0021 #define WDT_COUNT2      (io+2)
0022 #define WDT_CR          (io+3)
0023 #define WDT_SR          (io+4)  /* Start buzzer on PCI write */
0024 #define WDT_RT          (io+5)  /* Stop buzzer on PCI write */
0025 #define WDT_BUZZER      (io+6)  /* PCI only: rd=disable, wr=enable */
0026 #define WDT_DC          (io+7)
0027
0028 /* The following are only on the PCI card, they're outside of I/O space on
0029  * the ISA card: */
0030 #define WDT_CLOCK       (io+12) /* COUNT2: rd=16.67MHz, wr=2.0833MHz */
0031 /* inverted opto isolated reset output: */
0032 #define WDT_OPTONOTRST      (io+13) /* wr=enable, rd=disable */
0033 /* opto isolated reset output: */
0034 #define WDT_OPTORST     (io+14) /* wr=enable, rd=disable */
0035 /* programmable outputs: */
0036 #define WDT_PROGOUT     (io+15) /* wr=enable, rd=disable */
0037
0038                              /* FAN 501 500 */
0039 #define WDC_SR_WCCR     1   /* Active low */ /*  X   X   X  */
0040 #define WDC_SR_TGOOD        2            /*  X   X   -  */
0041 #define WDC_SR_ISOI0        4            /*  X   X   X  */
0042 #define WDC_SR_ISII1        8            /*  X   X   X  */
0043 #define WDC_SR_FANGOOD      16           /*  X   -   -  */
0044 #define WDC_SR_PSUOVER      32  /* Active low */ /*  X   X   -  */
0045 #define WDC_SR_PSUUNDR      64  /* Active low */ /*  X   X   -  */
0046 #define WDC_SR_IRQ      128 /* Active low */ /*  X   X   X  */
0047