2008-07-17 21:55:51 -07:00
										 
									 
								 
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								/*
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								 * auxio.h:  Definitions and code for the Auxiliary I/O registers.
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								 *
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								 * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
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								 *
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								 * Refactoring for unified NCR/PCIO support 2002 Eric Brower (ebrower@usa.net)
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								 */
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								#ifndef _SPARC64_AUXIO_H
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								#define _SPARC64_AUXIO_H
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								/* AUXIO implementations:
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								 * sbus-based NCR89C105 "Slavio"
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								 *	LED/Floppy (AUX1) register
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								 *	Power (AUX2) register
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								 *
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								 * ebus-based auxio on PCIO
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								 *	LED Auxio Register
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								 *	Power Auxio Register
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								 *
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								 * Register definitions from NCR _NCR89C105 Chip Specification_
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								 *
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								 * SLAVIO AUX1 @ 0x1900000
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								 * -------------------------------------------------
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								 * | (R) | (R) |  D  | (R) |  E  |  M  |  T  |  L  |
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								 * -------------------------------------------------
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								 * (R) - bit 7:6,4 are reserved and should be masked in s/w
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								 *  D  - Floppy Density Sense (1=high density) R/O
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								 *  E  - Link Test Enable, directly reflected on AT&T 7213 LTE pin
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								 *  M  - Monitor/Mouse Mux, directly reflected on MON_MSE_MUX pin
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								 *  T  - Terminal Count: sends TC pulse to 82077 floppy controller
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								 *  L  - System LED on front panel (0=off, 1=on)
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								 */
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								#define AUXIO_AUX1_MASK		0xc0 /* Mask bits 		*/
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								#define AUXIO_AUX1_FDENS	0x20 /* Floppy Density Sense	*/
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								#define AUXIO_AUX1_LTE 		0x08 /* Link Test Enable 	*/
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								#define AUXIO_AUX1_MMUX		0x04 /* Monitor/Mouse Mux	*/
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								#define AUXIO_AUX1_FTCNT	0x02 /* Terminal Count, 	*/
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								#define AUXIO_AUX1_LED		0x01 /* System LED		*/
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								/* SLAVIO AUX2 @ 0x1910000
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								 * -------------------------------------------------
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								 * | (R) | (R) |  D  | (R) | (R) | (R) |  C  |  F  |
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								 * -------------------------------------------------
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								 * (R) - bits 7:6,4:2 are reserved and should be masked in s/w
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								 *  D  - Power Failure Detect (1=power fail)
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								 *  C  - Clear Power Failure Detect Int (1=clear)
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								 *  F  - Power Off (1=power off)
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								 */
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								#define AUXIO_AUX2_MASK		0xdc /* Mask Bits		*/
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								#define AUXIO_AUX2_PFAILDET	0x20 /* Power Fail Detect	*/
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								#define AUXIO_AUX2_PFAILCLR 	0x02 /* Clear Pwr Fail Det Intr	*/
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								#define AUXIO_AUX2_PWR_OFF	0x01 /* Power Off		*/
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								/* Register definitions from Sun Microsystems _PCIO_ p/n 802-7837
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								 *
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								 * PCIO LED Auxio @ 0x726000
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								 * -------------------------------------------------
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								 * |             31:1 Unused                 | LED |
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								 * -------------------------------------------------
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								 * Bits 31:1 unused
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								 * LED - System LED on front panel (0=off, 1=on)
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								 */
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								#define AUXIO_PCIO_LED		0x01 /* System LED 		*/
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								/* PCIO Power Auxio @ 0x724000
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								 * -------------------------------------------------
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								 * |             31:2 Unused           | CPO | SPO |
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								 * -------------------------------------------------
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								 * Bits 31:2 unused
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								 * CPO - Courtesy Power Off (1=off)
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								 * SPO - System Power Off   (1=off)
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								 */
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								#define AUXIO_PCIO_CPWR_OFF	0x02 /* Courtesy Power Off	*/
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								#define AUXIO_PCIO_SPWR_OFF	0x01 /* System Power Off	*/
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								#ifndef __ASSEMBLY__
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								#define AUXIO_LTE_ON	1
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								#define AUXIO_LTE_OFF	0
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								/* auxio_set_lte - Set Link Test Enable (TPE Link Detect)
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								 *
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								 * on - AUXIO_LTE_ON or AUXIO_LTE_OFF
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								 */
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								void auxio_set_lte(int on);
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								#define AUXIO_LED_ON	1
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								#define AUXIO_LED_OFF	0
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								/* auxio_set_led - Set system front panel LED
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								 *
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								 * on - AUXIO_LED_ON or AUXIO_LED_OFF
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								 */
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								void auxio_set_led(int on);
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								#endif /* ifndef __ASSEMBLY__ */
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								#endif /* !(_SPARC64_AUXIO_H) */
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