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