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/* $NetBSD: ess_ofisa.c,v 1.32 2021/01/27 03:10:21 thorpej Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
* NASA Ames Research Center.
*
* 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 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 <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ess_ofisa.c,v 1.32 2021/01/27 03:10:21 thorpej Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/bus.h>
#include <sys/intr.h>
#include <sys/audioio.h>
#include <dev/audio/audio_if.h>
#include <dev/ofw/openfirm.h>
#include <dev/isa/isavar.h>
#include <dev/ofisa/ofisavar.h>
#include <dev/isa/essreg.h>
#include <dev/isa/essvar.h>
int ess_ofisa_match(device_t, cfdata_t, void *);
void ess_ofisa_attach(device_t, device_t, void *);
CFATTACH_DECL_NEW(ess_ofisa, sizeof(struct ess_softc),
ess_ofisa_match, ess_ofisa_attach, NULL, NULL);
static const struct device_compatible_entry compat_data[] = {
{ .compat = "ESST,es1887-codec" }, /* ESS 1887 */
{ .compat = "ESST,es1888-codec" }, /* ESS 1888 */
{ .compat = "ESST,es888-codec" }, /* ESS 888 */
DEVICE_COMPAT_EOL
};
int
ess_ofisa_match(device_t parent, cfdata_t cf, void *aux)
{
struct ofisa_attach_args *aa = aux;
/* beat generic SB */
return of_compatible_match(aa->oba.oba_phandle, compat_data) ? 10 : 0;
}
void
ess_ofisa_attach(device_t parent, device_t self, void *aux)
{
struct ess_softc *sc = device_private(self);
struct ofisa_attach_args *aa = aux;
struct ofisa_reg_desc reg;
struct ofisa_intr_desc intr[2];
struct ofisa_dma_desc dma[2];
int n, ndrq;
sc->sc_dev = self;
/*
* We're living on an OFW. We have to ask the OFW what our
* registers and interrupts properties look like.
*
* We expect:
*
* 1 i/o register region
* 1 or 2 interrupts
* 2 DMA channels
*/
n = ofisa_reg_get(aa->oba.oba_phandle, ®, 1);
if (n != 1) {
aprint_error(": error getting register data\n");
return;
}
if (reg.type != OFISA_REG_TYPE_IO) {
aprint_error(": register type not i/o\n");
return;
}
if (reg.len != ESS_NPORT) {
aprint_error(": weird register size (%lu, expected %d)\n",
(unsigned long)reg.len, ESS_NPORT);
return;
}
n = ofisa_intr_get(aa->oba.oba_phandle, intr, 2);
if (n == 1) {
sc->sc_audio1.irq = intr[0].irq;
sc->sc_audio1.ist = intr[0].share;
sc->sc_audio2.irq = intr[0].irq;
sc->sc_audio2.ist = intr[0].share;
} else if (n == 2) {
sc->sc_audio1.irq = intr[0].irq;
sc->sc_audio1.ist = intr[0].share;
sc->sc_audio2.irq = intr[1].irq;
sc->sc_audio2.ist = intr[1].share;
} else {
aprint_error(": error getting interrupt data\n");
return;
}
ndrq = ofisa_dma_get(aa->oba.oba_phandle, dma, 2);
if (ndrq != 2) {
aprint_error(": error getting DMA data\n");
return;
}
sc->sc_audio1.drq = dma[0].drq;
sc->sc_audio2.drq = dma[1].drq;
sc->sc_ic = aa->ic;
sc->sc_iot = aa->iot;
sc->sc_iobase = reg.addr;
if (bus_space_map(sc->sc_iot, sc->sc_iobase, reg.len, 0,
&sc->sc_ioh)) {
aprint_error(": unable to map register space\n");
return;
}
/*
* The Shark firmware doesn't program the ESS ISA address registers.
* Do that here instead of inside essmatch() since we want to defer
* to the firmware on other platforms.
*/
if (ess_config_addr(sc))
return;
if (essmatch(sc) == 0) {
aprint_error(": essmatch failed\n");
return;
}
ofisa_print_model(self, aa->oba.oba_phandle);
essattach(sc, 0);
}
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