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/* $OpenBSD: auxio.c,v 1.2 2001/08/29 02:47:58 jason Exp $ */
/* $NetBSD: auxio.c,v 1.1 2000/04/15 03:08:13 mrg Exp $ */
/*
* Copyright (c) 2000 Matthew R. Green
* All rights reserved.
*
* 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
/*
* AUXIO registers support on the sbus & ebus2.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/errno.h>
#include <sys/device.h>
#include <sys/malloc.h>
#include <machine/autoconf.h>
#include <machine/cpu.h>
#include <sparc64/dev/ebusreg.h>
#include <sparc64/dev/ebusvar.h>
#include <sparc64/dev/sbusvar.h>
#include <sparc64/dev/auxioreg.h>
#include <sparc64/dev/auxiovar.h>
#define AUXIO_ROM_NAME "auxio"
/*
* ebus code.
*/
int auxio_ebus_match __P((struct device *, void *, void *));
void auxio_ebus_attach __P((struct device *, struct device *, void *));
int auxio_sbus_match __P((struct device *, void *, void *));
void auxio_sbus_attach __P((struct device *, struct device *, void *));
struct cfattach auxio_ebus_ca = {
sizeof(struct auxio_softc), auxio_ebus_match, auxio_ebus_attach
};
struct cfattach auxio_sbus_ca = {
sizeof(struct auxio_softc), auxio_sbus_match, auxio_sbus_attach
};
struct cfdriver auxio_cd = {
NULL, "auxio", DV_DULL
};
int
auxio_ebus_match(parent, cf, aux)
struct device *parent;
void *cf;
void *aux;
{
struct ebus_attach_args *ea = aux;
return (strcmp(AUXIO_ROM_NAME, ea->ea_name) == 0);
}
void
auxio_ebus_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct auxio_softc *sc = (struct auxio_softc *)self;
struct ebus_attach_args *ea = aux;
if (ea->ea_nregs < 1 || ea->ea_nvaddrs < 1) {
printf(": no registers??\n");
return;
}
if (ea->ea_nregs != 5 || ea->ea_nvaddrs != 5) {
printf(": not 5 (%d) registers, only setting led",
ea->ea_nregs);
sc->sc_flags = AUXIO_LEDONLY|AUXIO_EBUS;
} else {
sc->sc_flags = AUXIO_EBUS;
sc->sc_registers.auxio_pci = (u_int32_t *)(u_long)ea->ea_vaddrs[1];
sc->sc_registers.auxio_freq = (u_int32_t *)(u_long)ea->ea_vaddrs[2];
sc->sc_registers.auxio_scsi = (u_int32_t *)(u_long)ea->ea_vaddrs[3];
sc->sc_registers.auxio_temp = (u_int32_t *)(u_long)ea->ea_vaddrs[4];
}
sc->sc_registers.auxio_led = (u_int32_t *)(u_long)ea->ea_vaddrs[0];
if (!auxio_reg)
auxio_reg = (u_char *)(u_long)ea->ea_vaddrs[0];
printf("\n");
}
int
auxio_sbus_match(parent, cf, aux)
struct device *parent;
void *cf;
void *aux;
{
struct sbus_attach_args *sa = aux;
return (strcmp(AUXIO_ROM_NAME, sa->sa_name) == 0);
}
void
auxio_sbus_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct auxio_softc *sc = (struct auxio_softc *)self;
struct sbus_attach_args *sa = aux;
if (sa->sa_nreg < 1 || sa->sa_npromvaddrs < 1) {
printf(": no registers??\n");
return;
}
if (sa->sa_nreg != 1 || sa->sa_npromvaddrs != 1) {
printf(": not 1 (%d/%d) registers??", sa->sa_nreg, sa->sa_npromvaddrs);
return;
}
/* sbus auxio only has one set of registers */
sc->sc_flags = AUXIO_LEDONLY|AUXIO_SBUS;
sc->sc_registers.auxio_led = (u_int32_t *)(u_long)sa->sa_promvaddr;
if (!auxio_reg)
auxio_reg = (u_char *)(u_long)sa->sa_promvaddr;
printf("\n");
}
/*
* old interface; used by fd driver for now
*/
unsigned int
auxregbisc(bis, bic)
int bis, bic;
{
register int v, s = splhigh();
v = *auxio_reg;
*auxio_reg = ((v | bis) & ~bic) | AUXIO_LED_MB1;
splx(s);
return v;
}
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