406e0f779f
to bus_interrupt_establish(). It's currently only used in sparc64/dev/psycho.c to assign a CPU interrupt level to devices in PCI slots.
153 lines
4.5 KiB
C
153 lines
4.5 KiB
C
/* $NetBSD: cs4231_ebus.c,v 1.6 2000/07/09 20:57:50 pk Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1998, 1999 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Paul Kranenburg.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include "audio.h"
|
|
#if NAUDIO > 0
|
|
|
|
#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 <sys/audioio.h>
|
|
#include <dev/audio_if.h>
|
|
|
|
#include <dev/ic/ad1848reg.h>
|
|
#include <dev/ic/cs4231reg.h>
|
|
#include <dev/ic/ad1848var.h>
|
|
#include <dev/ic/cs4231var.h>
|
|
|
|
#define AUDIO_ROM_NAME "SUNW,CS4231"
|
|
#define CS4231_REG_SIZE 16
|
|
|
|
/* autoconfiguration driver */
|
|
void cs4231_attach_ebus __P((struct device *, struct device *, void *));
|
|
int cs4231_match_ebus __P((struct device *, struct cfdata *, void *));
|
|
|
|
struct cfattach audiocs_ebus_ca = {
|
|
sizeof(struct cs4231_softc), cs4231_match_ebus, cs4231_attach_ebus
|
|
};
|
|
|
|
/* autoconfig routines */
|
|
|
|
int
|
|
cs4231_match_ebus(parent, cf, aux)
|
|
struct device *parent;
|
|
struct cfdata *cf;
|
|
void *aux;
|
|
{
|
|
struct ebus_attach_args *ea = aux;
|
|
|
|
return (strcmp(AUDIO_ROM_NAME, ea->ea_name) == 0);
|
|
}
|
|
|
|
/*
|
|
* Audio chip found.
|
|
*/
|
|
void
|
|
cs4231_attach_ebus(parent, self, aux)
|
|
struct device *parent, *self;
|
|
void *aux;
|
|
{
|
|
struct cs4231_softc *sc = (struct cs4231_softc *)self;
|
|
struct ebus_attach_args *ea = aux;
|
|
bus_space_handle_t bh;
|
|
int i;
|
|
|
|
sc->sc_bustag = ea->ea_bustag;
|
|
sc->sc_dmatag = ea->ea_dmatag;
|
|
|
|
sc->sc_ad1848.parent = sc;
|
|
sc->sc_ad1848.sc_iot = sc->sc_bustag;
|
|
sc->sc_ad1848.sc_readreg = cs4231_read;
|
|
sc->sc_ad1848.sc_writereg = cs4231_write;
|
|
|
|
/*
|
|
* These are the register we get from the prom:
|
|
* - CS4231 registers
|
|
* - DMA (play)
|
|
* - DMA (write)
|
|
* - AUXIO audio registers
|
|
*
|
|
* Map my registers in, if they aren't already in virtual
|
|
* address space.
|
|
*/
|
|
if (ea->ea_nvaddrs) {
|
|
bh = (bus_space_handle_t)ea->ea_vaddrs[0];
|
|
} else {
|
|
if (ebus_bus_map(ea->ea_bustag, 0,
|
|
EBUS_PADDR_FROM_REG(&ea->ea_regs[0]),
|
|
ea->ea_regs[0].size,
|
|
BUS_SPACE_MAP_LINEAR,
|
|
0, &bh) != 0) {
|
|
printf("%s @ ebus: cannot map registers\n",
|
|
self->dv_xname);
|
|
return;
|
|
}
|
|
}
|
|
/* XXX what to do with the DMA registers ? */
|
|
|
|
sc->sc_ad1848.sc_ioh = bh;
|
|
sc->sc_dmareg = (struct apc_dma *)(u_long)(bh + CS4231_REG_SIZE);
|
|
|
|
cs4231_init(sc);
|
|
|
|
/* Put ad1848 driver in `MODE 2' mode */
|
|
sc->sc_ad1848.mode = 2;
|
|
ad1848_attach(&sc->sc_ad1848);
|
|
|
|
printf("\n");
|
|
|
|
/* Establish interrupt channels */
|
|
for (i = 0; i < ea->ea_nintrs; i++)
|
|
bus_intr_establish(ea->ea_bustag,
|
|
ea->ea_intrs[i], IPL_AUDIO, 0,
|
|
cs4231_intr, sc);
|
|
|
|
evcnt_attach_dynamic(&sc->sc_intrcnt, EVCNT_TYPE_INTR, NULL,
|
|
sc->sc_ad1848.sc_dev.dv_xname, "intr");
|
|
audio_attach_mi(&audiocs_hw_if, sc, &sc->sc_ad1848.sc_dev);
|
|
}
|
|
#endif
|