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auxio.c revision 1.1.6.2 
      1 /*	$NetBSD: auxio.c,v 1.1.6.2 2000/11/20 20:26:41 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  * AUXIO registers support on the sbus & ebus2.
     33  */
     34 
     35 #include <sys/param.h>
     36 #include <sys/systm.h>
     37 #include <sys/errno.h>
     38 #include <sys/device.h>
     39 #include <sys/malloc.h>
     40 
     41 #include <machine/autoconf.h>
     42 #include <machine/cpu.h>
     43 
     44 #include <sparc64/dev/ebusreg.h>
     45 #include <sparc64/dev/ebusvar.h>
     46 #include <sparc64/dev/sbusvar.h>
     47 #include <sparc64/dev/auxioreg.h>
     48 #include <sparc64/dev/auxiovar.h>
     49 
     50 #define	AUXIO_ROM_NAME		"auxio"
     51 
     52 /*
     53  * ebus code.
     54  */
     55 int	auxio_ebus_match __P((struct device *, struct cfdata *, void *));
     56 void	auxio_ebus_attach __P((struct device *, struct device *, void *));
     57 int	auxio_sbus_match __P((struct device *, struct cfdata *, void *));
     58 void	auxio_sbus_attach __P((struct device *, struct device *, void *));
     59 
     60 struct cfattach auxio_ebus_ca = {
     61 	sizeof(struct auxio_softc), auxio_ebus_match, auxio_ebus_attach
     62 };
     63 
     64 struct cfattach auxio_sbus_ca = {
     65 	sizeof(struct auxio_softc), auxio_sbus_match, auxio_sbus_attach
     66 };
     67 
     68 int
     69 auxio_ebus_match(parent, cf, aux)
     70 	struct device *parent;
     71 	struct cfdata *cf;
     72 	void *aux;
     73 {
     74 	struct ebus_attach_args *ea = aux;
     75 
     76 	return (strcmp(AUXIO_ROM_NAME, ea->ea_name) == 0);
     77 }
     78 
     79 void
     80 auxio_ebus_attach(parent, self, aux)
     81 	struct device *parent, *self;
     82 	void *aux;
     83 {
     84 	struct auxio_softc *sc = (struct auxio_softc *)self;
     85 	struct ebus_attach_args *ea = aux;
     86 
     87 	if (ea->ea_nregs < 1 || ea->ea_nvaddrs < 1) {
     88 		printf(": no registers??\n");
     89 		return;
     90 	}
     91 
     92 	if (ea->ea_nregs != 5 || ea->ea_nvaddrs != 5) {
     93 		printf(": not 5 (%d) registers, only setting led",
     94 		    ea->ea_nregs);
     95 		sc->sc_flags = AUXIO_LEDONLY|AUXIO_EBUS;
     96 	} else {
     97 		sc->sc_flags = AUXIO_EBUS;
     98 		sc->sc_registers.auxio_pci = (u_int32_t *)(u_long)ea->ea_vaddrs[1];
     99 		sc->sc_registers.auxio_freq = (u_int32_t *)(u_long)ea->ea_vaddrs[2];
    100 		sc->sc_registers.auxio_scsi = (u_int32_t *)(u_long)ea->ea_vaddrs[3];
    101 		sc->sc_registers.auxio_temp = (u_int32_t *)(u_long)ea->ea_vaddrs[4];
    102 	}
    103 	sc->sc_registers.auxio_led = (u_int32_t *)(u_long)ea->ea_vaddrs[0];
    104 
    105 	if (!auxio_reg)
    106 		auxio_reg = (u_char *)(u_long)ea->ea_vaddrs[0];
    107 
    108 	printf("\n");
    109 }
    110 
    111 int
    112 auxio_sbus_match(parent, cf, aux)
    113 	struct device *parent;
    114 	struct cfdata *cf;
    115 	void *aux;
    116 {
    117 	struct sbus_attach_args *sa = aux;
    118 
    119 	return (strcmp(AUXIO_ROM_NAME, sa->sa_name) == 0);
    120 }
    121 
    122 void
    123 auxio_sbus_attach(parent, self, aux)
    124 	struct device *parent, *self;
    125 	void *aux;
    126 {
    127 	struct auxio_softc *sc = (struct auxio_softc *)self;
    128 	struct sbus_attach_args *sa = aux;
    129 
    130 	if (sa->sa_nreg < 1 || sa->sa_npromvaddrs < 1) {
    131 		printf(": no registers??\n");
    132 		return;
    133 	}
    134 
    135 	if (sa->sa_nreg != 1 || sa->sa_npromvaddrs != 1) {
    136 		printf(": not 1 (%d/%d) registers??", sa->sa_nreg, sa->sa_npromvaddrs);
    137 		return;
    138 	}
    139 
    140 	/* sbus auxio only has one set of registers */
    141 	sc->sc_flags = AUXIO_LEDONLY|AUXIO_SBUS;
    142 	sc->sc_registers.auxio_led = (u_int32_t *)(u_long)sa->sa_promvaddr;
    143 
    144 	if (!auxio_reg)
    145 		auxio_reg = (u_char *)(u_long)sa->sa_promvaddr;
    146 
    147 	printf("\n");
    148 }
    149 
    150 /*
    151  * old interface; used by fd driver for now
    152  */
    153 unsigned int
    154 auxregbisc(bis, bic)
    155 	int bis, bic;
    156 {
    157 	register int v, s = splhigh();
    158 
    159 	v = *auxio_reg;
    160 	*auxio_reg = ((v | bis) & ~bic) | AUXIO_LED_MB1;
    161 	splx(s);
    162 	return v;
    163 }
    164