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/* $OpenBSD: led.c,v 1.4 2006/08/27 16:55:41 miod Exp $ */
/* $NetBSD: leds.c,v 1.4 2005/12/11 12:19:37 christos Exp $ */
/*
* Copyright (c) 1998 Jason L. Wright (jason@thought.net)
* 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.
*
* 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.
*/
/*-
* Copyright (c) 1997 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Gordon W. Ross and der Mouse.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
/*
* Functions to flash the LEDs with some pattern.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <sys/conf.h>
#include <sys/timeout.h>
#include <machine/cpu.h>
#include <machine/nexus.h>
#include <machine/sid.h>
struct led_softc {
struct device sc_dev;
struct timeout sc_tmo;
volatile u_short *sc_reg;
const u_int8_t *sc_pat, *sc_patpos;
};
/*
* Patterns for 8 and 4 led displays.
*/
static const u_int8_t led_pattern8[] = {
0xfe, 0xfd, 0xfb, 0xf7, 0xef, 0xdf, 0xbf, 0x7f,
0xbf, 0xdf, 0xef, 0xf7, 0xfb, 0xfd, 0x00
};
static const u_int8_t led_pattern4[] = {
0x0e, 0x0d, 0x0b, 0x07, 0x0b, 0x0d, 0x00
};
int ledmatch(struct device *, void *, void *);
void ledattach(struct device *, struct device *, void *);
void led_blink(void *);
struct cfattach led_ca = {
sizeof(struct led_softc), ledmatch, ledattach
};
struct cfdriver led_cd = {
NULL, "led", DV_DULL
};
int
ledmatch(struct device *parent, void *cf, void *aux)
{
struct mainbus_attach_args *maa = aux;
if (maa->maa_bustype != VAX_LEDS)
return (0);
switch (vax_boardtype) {
#if VAX46 || VAX48 || VAX49 || VAX53 || VXT
#if VAX46
case VAX_BTYP_46:
#endif
#if VAX48
case VAX_BTYP_48:
#endif
#if VAX49
case VAX_BTYP_49:
#endif
#if VAX53
case VAX_BTYP_1303:
#endif
#if VXT
case VAX_BTYP_VXT:
#endif
return (1);
#endif
default:
return (0);
}
}
void
ledattach(struct device *parent, struct device *self, void *aux)
{
struct led_softc *sc = (void *)self;
#if VAX49 || VAX53 || VXT
vaddr_t pgva;
#endif
printf("\n");
switch (vax_boardtype) {
#if VAX46
case VAX_BTYP_46:
{
extern struct vs_cpu *ka46_cpu;
sc->sc_reg = (volatile u_short *)(&ka46_cpu->vc_diagdsp);
sc->sc_pat = led_pattern8;
}
break;
#endif
#if VAX48
case VAX_BTYP_48:
{
extern struct vs_cpu *ka48_cpu;
sc->sc_reg = (volatile u_short *)(&ka48_cpu->vc_diagdsp);
sc->sc_pat = led_pattern8;
}
break;
#endif
#if VAX49
case VAX_BTYP_49:
pgva = vax_map_physmem(0x25800000, 1);
sc->sc_reg = (volatile u_short *)(pgva + 4);
sc->sc_pat = led_pattern8;
break;
#endif
#if VAX53
case VAX_BTYP_1303:
pgva = vax_map_physmem(0x20140000, 1);
sc->sc_reg = (volatile u_short *)(pgva + 0x30);
sc->sc_pat = led_pattern4;
break;
#endif
#if VXT
case VAX_BTYP_VXT:
pgva = vax_map_physmem(0x200c1000, 1);
sc->sc_reg = (volatile u_short *)pgva;
sc->sc_pat = led_pattern8;
break;
#endif
}
sc->sc_patpos = sc->sc_pat;
timeout_set(&sc->sc_tmo, led_blink, sc);
led_blink(sc);
}
void
led_blink(void *v)
{
struct led_softc *sc = v;
extern int vax_led_blink;
if (sc == NULL) {
/* find our softc if we come from cpu_sysctl */
if (led_cd.cd_ndevs != 0)
sc = (struct led_softc *)led_cd.cd_devs[0];
if (sc == NULL)
return;
}
if (vax_led_blink == 0) {
*sc->sc_reg = 0xff;
return;
}
*sc->sc_reg = *sc->sc_patpos++;
if (*sc->sc_patpos == 0)
sc->sc_patpos = sc->sc_pat;
timeout_add(&sc->sc_tmo,
(((averunnable.ldavg[0] + FSCALE) * hz) >> (FSHIFT + 3)));
}
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