1 /*
2 * Industrial Computer Source WDT500/501 driver for Linux 1.3.x
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 public license, incorporated
15 * herein by reference. The driver is provided without warranty or
16 * support.
17 *
18 * Release 0.04.
19 *
20 */
21
22 #include <linux/config.h>
23
24 #define WDT_COUNT0 (io+0)
25 #define WDT_COUNT1 (io+1)
26 #define WDT_COUNT2 (io+2)
27 #define WDT_CR (io+3)
28 #define WDT_SR (io+4) /* Start buzzer on PCI write */
29 #define WDT_RT (io+5) /* Stop buzzer on PCI write */
30 #define WDT_BUZZER (io+6) /* PCI only: rd=disable, wr=enable */
31 #define WDT_DC (io+7)
32
33 /* The following are only on the PCI card, they're outside of I/O space on
34 * the ISA card: */
35 #define WDT_CLOCK (io+12) /* COUNT2: rd=16.67MHz, wr=2.0833MHz */
36 /* inverted opto isolated reset output: */
37 #define WDT_OPTONOTRST (io+13) /* wr=enable, rd=disable */
38 /* opto isolated reset output: */
39 #define WDT_OPTORST (io+14) /* wr=enable, rd=disable */
40 /* programmable outputs: */
41 #define WDT_PROGOUT (io+15) /* wr=enable, rd=disable */
42
43 #define WDC_SR_WCCR 1 /* Active low */
44 #define WDC_SR_TGOOD 2
45 #define WDC_SR_ISOI0 4
46 #define WDC_SR_ISII1 8
47 #define WDC_SR_FANGOOD 16
48 #define WDC_SR_PSUOVER 32 /* Active low */
49 #define WDC_SR_PSUUNDR 64 /* Active low */
50 #define WDC_SR_IRQ 128 /* Active low */
51
52 #ifndef WDT_IS_PCI
53
54 /*
55 * Feature Map 1 is the active high inputs not supported on your card.
56 * Feature Map 2 is the active low inputs not supported on your card.
57 */
58
59 #ifdef CONFIG_WDT_501 /* Full board */
60
61 #ifdef CONFIG_WDT501_FAN /* Full board, Fan has no tachometer */
62 #define FEATUREMAP1 0
63 #define WDT_OPTION_MASK (WDIOF_OVERHEAT|WDIOF_POWERUNDER|WDIOF_POWEROVER|WDIOF_EXTERN1|WDIOF_EXTERN2|WDIOF_FANFAULT)
64 #else
65 #define FEATUREMAP1 WDC_SR_FANGOOD
66 #define WDT_OPTION_MASK (WDIOF_OVERHEAT|WDIOF_POWERUNDER|WDIOF_POWEROVER|WDIOF_EXTERN1|WDIOF_EXTERN2)
67 #endif
68
69 #define FEATUREMAP2 0
70 #endif
71
72 #ifndef CONFIG_WDT_501
73 #define CONFIG_WDT_500
74 #endif
75
76 #ifdef CONFIG_WDT_500 /* Minimal board */
77 #define FEATUREMAP1 (WDC_SR_TGOOD|WDC_SR_FANGOOD)
78 #define FEATUREMAP2 (WDC_SR_PSUOVER|WDC_SR_PSUUNDR)
79 #define WDT_OPTION_MASK (WDIOF_OVERHEAT)
80 #endif
81
82 #else
83
84 #define FEATUREMAP1 (WDC_SR_TGOOD|WDC_SR_FANGOOD)
85 #define FEATUREMAP2 (WDC_SR_PSUOVER|WDC_SR_PSUUNDR)
86 #define WDT_OPTION_MASK (WDIOF_OVERHEAT)
87 #endif
88
89 #ifndef FEATUREMAP1
90 #error "Config option not set"
91 #endif
92
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