xref: /OK3568_Linux_fs/kernel/drivers/watchdog/wd501p.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-1.0+ */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  *	Industrial Computer Source WDT500/501 driver
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  *	(c) Copyright 1995	CymruNET Ltd
6*4882a593Smuzhiyun  *				Innovation Centre
7*4882a593Smuzhiyun  *				Singleton Park
8*4882a593Smuzhiyun  *				Swansea
9*4882a593Smuzhiyun  *				Wales
10*4882a593Smuzhiyun  *				UK
11*4882a593Smuzhiyun  *				SA2 8PP
12*4882a593Smuzhiyun  *
13*4882a593Smuzhiyun  *	http://www.cymru.net
14*4882a593Smuzhiyun  *
15*4882a593Smuzhiyun  *	Release 0.04.
16*4882a593Smuzhiyun  */
17*4882a593Smuzhiyun 
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun #define WDT_COUNT0		(io+0)
20*4882a593Smuzhiyun #define WDT_COUNT1		(io+1)
21*4882a593Smuzhiyun #define WDT_COUNT2		(io+2)
22*4882a593Smuzhiyun #define WDT_CR			(io+3)
23*4882a593Smuzhiyun #define WDT_SR			(io+4)	/* Start buzzer on PCI write */
24*4882a593Smuzhiyun #define WDT_RT			(io+5)	/* Stop buzzer on PCI write */
25*4882a593Smuzhiyun #define WDT_BUZZER		(io+6)	/* PCI only: rd=disable, wr=enable */
26*4882a593Smuzhiyun #define WDT_DC			(io+7)
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun /* The following are only on the PCI card, they're outside of I/O space on
29*4882a593Smuzhiyun  * the ISA card: */
30*4882a593Smuzhiyun #define WDT_CLOCK		(io+12)	/* COUNT2: rd=16.67MHz, wr=2.0833MHz */
31*4882a593Smuzhiyun /* inverted opto isolated reset output: */
32*4882a593Smuzhiyun #define WDT_OPTONOTRST		(io+13)	/* wr=enable, rd=disable */
33*4882a593Smuzhiyun /* opto isolated reset output: */
34*4882a593Smuzhiyun #define WDT_OPTORST		(io+14)	/* wr=enable, rd=disable */
35*4882a593Smuzhiyun /* programmable outputs: */
36*4882a593Smuzhiyun #define WDT_PROGOUT		(io+15)	/* wr=enable, rd=disable */
37*4882a593Smuzhiyun 
38*4882a593Smuzhiyun 							 /* FAN 501 500 */
39*4882a593Smuzhiyun #define WDC_SR_WCCR		1	/* Active low */ /*  X   X   X  */
40*4882a593Smuzhiyun #define WDC_SR_TGOOD		2			 /*  X   X   -  */
41*4882a593Smuzhiyun #define WDC_SR_ISOI0		4			 /*  X   X   X  */
42*4882a593Smuzhiyun #define WDC_SR_ISII1		8			 /*  X   X   X  */
43*4882a593Smuzhiyun #define WDC_SR_FANGOOD		16			 /*  X   -   -  */
44*4882a593Smuzhiyun #define WDC_SR_PSUOVER		32	/* Active low */ /*  X   X   -  */
45*4882a593Smuzhiyun #define WDC_SR_PSUUNDR		64	/* Active low */ /*  X   X   -  */
46*4882a593Smuzhiyun #define WDC_SR_IRQ		128	/* Active low */ /*  X   X   X  */
47*4882a593Smuzhiyun 
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