auxio_64.h

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/*
 * auxio.h:  Definitions and code for the Auxiliary I/O registers.
 *
 * Copyright (C) 1995 David S. Miller ([email protected])
 *
 * Refactoring for unified NCR/PCIO support 2002 Eric Brower ([email protected])
 */
#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) */