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[linux-2.6/openmoko-kernel/knife-kernel.git] / include / asm-sparc64 / auxio.h
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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.
4 * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
6 * Refactoring for unified NCR/PCIO support 2002 Eric Brower (ebrower@usa.net)
7 */
8 #ifndef _SPARC64_AUXIO_H
9 #define _SPARC64_AUXIO_H
11 /* AUXIO implementations:
12 * sbus-based NCR89C105 "Slavio"
13 * LED/Floppy (AUX1) register
14 * Power (AUX2) register
16 * ebus-based auxio on PCIO
17 * LED Auxio Register
18 * Power Auxio Register
20 * Register definitions from NCR _NCR89C105 Chip Specification_
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)
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 */
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)
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 */
54 /* Register definitions from Sun Microsystems _PCIO_ p/n 802-7837
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)
63 #define AUXIO_PCIO_LED 0x01 /* System LED */
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)
73 #define AUXIO_PCIO_CPWR_OFF 0x02 /* Courtesy Power Off */
74 #define AUXIO_PCIO_SPWR_OFF 0x01 /* System Power Off */
76 #ifndef __ASSEMBLY__
78 extern void __iomem *auxio_register;
80 #define AUXIO_LTE_ON 1
81 #define AUXIO_LTE_OFF 0
83 /* auxio_set_lte - Set Link Test Enable (TPE Link Detect)
85 * on - AUXIO_LTE_ON or AUXIO_LTE_OFF
87 extern void auxio_set_lte(int on);
89 #define AUXIO_LED_ON 1
90 #define AUXIO_LED_OFF 0
92 /* auxio_set_led - Set system front panel LED
94 * on - AUXIO_LED_ON or AUXIO_LED_OFF
96 extern void auxio_set_led(int on);
98 #endif /* ifndef __ASSEMBLY__ */
100 #endif /* !(_SPARC64_AUXIO_H) */