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auxiovar.h revision 1.4.6.2 
      1 /*	$NetBSD: auxiovar.h,v 1.4.6.2 2000/11/20 20:26:42 bouyer Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2000 Matthew R. Green
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. The name of the author may not be used to endorse or promote products
     16  *    derived from this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     23  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     24  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     25  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     26  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     28  * SUCH DAMAGE.
     29  */
     30 
     31 /*
     32  * on sun4u, auxio exists with one register (LED) on the sbus, and 5
     33  * registers on the ebus2 (pci) (LED, PCIMODE, FREQUENCY, SCSI
     34  * OSCILLATOR, and TEMP SENSE.
     35  *
     36  * clients of the auxio registers (eg, blinken lights, or the sbus
     37  * floppy) should search in auxio_cd for their matching auxio register
     38  * (to deal with multiple auxio's that may appear.)
     39  */
     40 
     41 struct auxio_registers {
     42 #if 0	/* these do not exist on the Ebus2 */
     43 	volatile u_int32_t *auxio_fd;
     44 	volatile u_int32_t *auxio_audio;
     45 	volatile u_int32_t *auxio_power;
     46 #endif
     47 	volatile u_int32_t *auxio_led;
     48 	volatile u_int32_t *auxio_pci;
     49 	volatile u_int32_t *auxio_freq;
     50 	volatile u_int32_t *auxio_scsi;
     51 	volatile u_int32_t *auxio_temp;
     52 };
     53 
     54 struct auxio_softc {
     55 	struct device		sc_dev;
     56 	struct auxio_registers	sc_registers;
     57 	int			sc_flags;
     58 #define	AUXIO_LEDONLY		0x1
     59 #define	AUXIO_EBUS		0x2
     60 #define	AUXIO_SBUS		0x4
     61 };
     62 
     63 /*
     64  * XXX: old interfaces.  we set auxio_reg the first auxio we attach.
     65  */
     66 #ifndef _LOCORE
     67 /*
     68  * Copy of AUXIO_REG for the benefit of assembler modules (eg. trap handlers)
     69  * as AUXREG_VA depends on NBPG which is not a constant.
     70  */
     71 volatile u_char *auxio_reg;
     72 unsigned int auxregbisc __P((int, int));
     73 #endif
     74