diff options
Diffstat (limited to 'sys/arch/sparc64/dev/auxio.c')
| -rw-r--r-- | sys/arch/sparc64/dev/auxio.c | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/sys/arch/sparc64/dev/auxio.c b/sys/arch/sparc64/dev/auxio.c new file mode 100644 index 00000000000..ec99cf7aa86 --- /dev/null +++ b/sys/arch/sparc64/dev/auxio.c @@ -0,0 +1,167 @@ +/* $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; +} |