text: /*	$OpenBSD: auxioreg.h,v 1.5 2005/07/08 12:36:38 miod Exp $	*/
  /*	$NetBSD: auxreg.h,v 1.7 1997/05/17 17:52:52 pk Exp $ */
  
  /*
   * Copyright (c) 1992, 1993
   *	The Regents of the University of California.  All rights reserved.
   *
   * This software was developed by the Computer Systems Engineering group
   * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
   * contributed to Berkeley.
   *
   * All advertising materials mentioning features or use of this software
   * must display the following acknowledgement:
   *	This product includes software developed by the University of
   *	California, Lawrence Berkeley Laboratory.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 3. Neither the name of the University nor the names of its contributors
   *    may be used to endorse or promote products derived from this software
   *    without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   *
   *	@(#)auxreg.h	8.1 (Berkeley) 6/11/93
   */
  
  /*
   * Sun-4c Auxiliary I/O register.  This register talks to the floppy
   * (if it exists) and the front-panel LED.
   */
  
  #define	AUXIO4C_MB1	0xf0		/* must be set on write */
  #define	AUXIO4C_FHD	0x20		/* floppy: high density (unreliable?)*/
  #define	AUXIO4C_FDC	0x10		/* floppy: diskette was changed */
  #define	AUXIO4C_FDS	0x08		/* floppy: drive select */
  #define	AUXIO4C_FTC	0x04		/* floppy: drives Terminal Count pin */
  #define	AUXIO4C_FEJ	0x02		/* floppy: eject disk */
  #define	AUXIO4C_LED	0x01		/* front panel LED */
  
  #define	AUXIO4M_MB1	0xc0		/* must be set on write? */
  #define	AUXIO4M_FHD	0x20		/* floppy: high density (unreliable?)*/
  #define	AUXIO4M_LTE	0x08		/* link-test enable */
  #define	AUXIO4M_MMX	0x04		/* Monitor/Mouse MUX; what is it? */
  #define	AUXIO4M_FTC	0x02		/* floppy: drives Terminal Count pin */
  #define	AUXIO4M_LED	0x01		/* front panel LED */
  
  /*
   * Tadpole Auxiliary I/O registers.  Those control various power management
   * features.
   */
  
  #define	AUXIO_MODEM		0x01	/* enable modem power */
  #define	AUXIO_ISDN		0x04	/* enable ISDN power */
  #define	AUXIO_MODEM_RESET	0x08	/* reset modem line (active low) */
  #define	AUXIO_TFT		0x80	/* S3000 XT tft power */
  
  #define	AUXIO2_SERIAL		0x01	/* enable serial ports power */
  
  /*
   * We use a fixed virtual address for the register because we use it for
   * timing short sections of code (via external hardware attached to the LED).
   */
  #define	AUXIO4C_REG	((volatile u_char *)(AUXREG_VA + 3))
  #define	AUXIO4M_REG	((volatile u_char *)(AUXREG_VA))
  
  #define LED_ON		do {						\
  	if (CPU_ISSUN4M) {						\
  		auxio_regval |= AUXIO4M_LED;				\
  		*AUXIO4M_REG = auxio_regval;				\
  	} else {							\
  		auxio_regval |= AUXIO4C_LED;				\
  		*AUXIO4C_REG = auxio_regval;				\
  	}								\
  } while(0)
  
  #define LED_OFF		do {						\
  	if (CPU_ISSUN4M) {						\
  		auxio_regval &= ~AUXIO4M_LED;				\
  		*AUXIO4M_REG = auxio_regval;				\
  	} else {							\
  		auxio_regval &= ~AUXIO4C_LED;				\
  		*AUXIO4C_REG = auxio_regval;				\
  	}								\
  } while(0)
  
  #define LED_FLIP	do {						\
  	if (CPU_ISSUN4M) {						\
  		auxio_regval ^= AUXIO4M_LED;				\
  		*AUXIO4M_REG = auxio_regval;				\
  	} else {							\
  		auxio_regval ^= AUXIO4C_LED;				\
  		*AUXIO4C_REG = auxio_regval;				\
  	}								\
  } while(0)
  
  #define FTC_FLIP	do {						\
  	if (CPU_ISSUN4M) {						\
  		auxio_regval |= AUXIO4M_FTC;				\
  		*AUXIO4M_REG = auxio_regval;				\
  		*AUXIO4M_REG = *AUXIO4M_REG | AUXIO4M_MB1 | AUXIO4M_FTC;\
  	} else {							\
  		auxio_regval |= AUXIO4C_FTC;				\
  		*AUXIO4C_REG = auxio_regval;				\
  		DELAY(10);						\
  		auxio_regval &= ~AUXIO4C_FTC;				\
  		*AUXIO4C_REG = auxio_regval;				\
  	}								\
  } while(0)
  
  #define	AUXIO_BITS	(						\
  	CPU_ISSUN4M							\
  		? "\20\6FHD\4LTE\3MMX\2FTC\1LED"			\
  		: "\20\6FHD\5FDC\4FDS\3FTC\2FEJ\1LED"			\
  )
  
  #ifndef _LOCORE
  extern u_char auxio_regval;
  unsigned int auxregbisc(int, int);
  unsigned int sb_auxregbisc(int, int, int);
  #endif
  
  