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1/* $Id: auxio.h,v 1.3 2001/06/05 08:16:34 davem Exp $
2 * auxio.h: Definitions and code for the Auxiliary I/O registers.
3 *
4 * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
5 *
6 * Refactoring for unified NCR/PCIO support 2002 Eric Brower (ebrower@usa.net)
7 */
8#ifndef _SPARC64_AUXIO_H
9#define _SPARC64_AUXIO_H
10
11/* AUXIO implementations:
12 * sbus-based NCR89C105 "Slavio"
13 * LED/Floppy (AUX1) register
14 * Power (AUX2) register
15 *
16 * ebus-based auxio on PCIO
17 * LED Auxio Register
18 * Power Auxio Register
19 *
20 * Register definitions from NCR _NCR89C105 Chip Specification_
21 *
22 * SLAVIO AUX1 @ 0x1900000
23 * -------------------------------------------------
24 * | (R) | (R) | D | (R) | E | M | T | L |
25 * -------------------------------------------------
26 * (R) - bit 7:6,4 are reserved and should be masked in s/w
27 * D - Floppy Density Sense (1=high density) R/O
28 * E - Link Test Enable, directly reflected on AT&T 7213 LTE pin
29 * M - Monitor/Mouse Mux, directly reflected on MON_MSE_MUX pin
30 * T - Terminal Count: sends TC pulse to 82077 floppy controller
31 * L - System LED on front panel (0=off, 1=on)
32 */
33#define AUXIO_AUX1_MASK 0xc0 /* Mask bits */
34#define AUXIO_AUX1_FDENS 0x20 /* Floppy Density Sense */
35#define AUXIO_AUX1_LTE 0x08 /* Link Test Enable */
36#define AUXIO_AUX1_MMUX 0x04 /* Monitor/Mouse Mux */
37#define AUXIO_AUX1_FTCNT 0x02 /* Terminal Count, */
38#define AUXIO_AUX1_LED 0x01 /* System LED */
39
40/* SLAVIO AUX2 @ 0x1910000
41 * -------------------------------------------------
42 * | (R) | (R) | D | (R) | (R) | (R) | C | F |
43 * -------------------------------------------------
44 * (R) - bits 7:6,4:2 are reserved and should be masked in s/w
45 * D - Power Failure Detect (1=power fail)
46 * C - Clear Power Failure Detect Int (1=clear)
47 * F - Power Off (1=power off)
48 */
49#define AUXIO_AUX2_MASK 0xdc /* Mask Bits */
50#define AUXIO_AUX2_PFAILDET 0x20 /* Power Fail Detect */
51#define AUXIO_AUX2_PFAILCLR 0x02 /* Clear Pwr Fail Det Intr */
52#define AUXIO_AUX2_PWR_OFF 0x01 /* Power Off */
53
54/* Register definitions from Sun Microsystems _PCIO_ p/n 802-7837
55 *
56 * PCIO LED Auxio @ 0x726000
57 * -------------------------------------------------
58 * | 31:1 Unused | LED |
59 * -------------------------------------------------
60 * Bits 31:1 unused
61 * LED - System LED on front panel (0=off, 1=on)
62 */
63#define AUXIO_PCIO_LED 0x01 /* System LED */
64
65/* PCIO Power Auxio @ 0x724000
66 * -------------------------------------------------
67 * | 31:2 Unused | CPO | SPO |
68 * -------------------------------------------------
69 * Bits 31:2 unused
70 * CPO - Courtesy Power Off (1=off)
71 * SPO - System Power Off (1=off)
72 */
73#define AUXIO_PCIO_CPWR_OFF 0x02 /* Courtesy Power Off */
74#define AUXIO_PCIO_SPWR_OFF 0x01 /* System Power Off */
75
76#ifndef __ASSEMBLY__
77
78#define AUXIO_LTE_ON 1
79#define AUXIO_LTE_OFF 0
80
81/* auxio_set_lte - Set Link Test Enable (TPE Link Detect)
82 *
83 * on - AUXIO_LTE_ON or AUXIO_LTE_OFF
84 */
85extern void auxio_set_lte(int on);
86
87#define AUXIO_LED_ON 1
88#define AUXIO_LED_OFF 0
89
90/* auxio_set_led - Set system front panel LED
91 *
92 * on - AUXIO_LED_ON or AUXIO_LED_OFF
93 */
94extern void auxio_set_led(int on);
95
96#endif /* ifndef __ASSEMBLY__ */
97
98#endif /* !(_SPARC64_AUXIO_H) */