312 lines
8.1 KiB
C
312 lines
8.1 KiB
C
/* $NetBSD: sb.c,v 1.88 2008/03/15 21:09:02 cube Exp $ */
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/*
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* Copyright (c) 1991-1993 Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the Computer Systems
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* Engineering Group at Lawrence Berkeley Laboratory.
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* 4. Neither the name of the University nor of the Laboratory may be used
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* to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: sb.c,v 1.88 2008/03/15 21:09:02 cube Exp $");
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#include "midi.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/errno.h>
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#include <sys/ioctl.h>
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#include <sys/syslog.h>
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#include <sys/device.h>
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#include <sys/proc.h>
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#include <sys/cpu.h>
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#include <sys/intr.h>
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#include <sys/bus.h>
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#include <sys/audioio.h>
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#include <dev/audio_if.h>
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#include <dev/midi_if.h>
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#include <dev/isa/isavar.h>
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#include <dev/isa/isadmavar.h>
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#include <dev/isa/sbreg.h>
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#include <dev/isa/sbvar.h>
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#include <dev/isa/sbdspvar.h>
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#if NMPU > 0
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const struct midi_hw_if sb_midi_hw_if = {
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sbdsp_midi_open,
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sbdsp_midi_close,
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sbdsp_midi_output,
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sbdsp_midi_getinfo,
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0, /* ioctl */
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};
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#endif
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int sb_getdev(void *, struct audio_device *);
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/*
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* Define our interface to the higher level audio driver.
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*/
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const struct audio_hw_if sb_hw_if = {
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sbdsp_open,
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sbdsp_close,
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0,
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sbdsp_query_encoding,
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sbdsp_set_params,
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sbdsp_round_blocksize,
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0,
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0,
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0,
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0,
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0,
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sbdsp_halt_output,
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sbdsp_halt_input,
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sbdsp_speaker_ctl,
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sb_getdev,
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0,
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sbdsp_mixer_set_port,
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sbdsp_mixer_get_port,
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sbdsp_mixer_query_devinfo,
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sb_malloc,
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sb_free,
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sb_round_buffersize,
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sb_mappage,
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sbdsp_get_props,
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sbdsp_trigger_output,
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sbdsp_trigger_input,
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NULL,
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NULL,
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};
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/*
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* Probe / attach routines.
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*/
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int
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sbmatch(struct sbdsp_softc *sc, int probing, cfdata_t match)
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{
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static const u_char drq_conf[8] = {
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0x01, 0x02, -1, 0x08, -1, 0x20, 0x40, 0x80
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};
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static const u_char irq_conf[11] = {
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-1, -1, 0x01, -1, -1, 0x02, -1, 0x04, -1, 0x01, 0x08
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};
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if (sbdsp_probe(sc, match) == 0)
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return 0;
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/*
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* Cannot auto-discover DMA channel.
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*/
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if (ISSBPROCLASS(sc)) {
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if (!SBP_DRQ_VALID(sc->sc_drq8)) {
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aprint_error("%s: configured DMA chan %d invalid\n",
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probing ? "sbmatch" : device_xname(sc->sc_dev),
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sc->sc_drq8);
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return 0;
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}
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} else {
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if (!SB_DRQ_VALID(sc->sc_drq8)) {
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aprint_error("%s: configured DMA chan %d invalid\n",
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probing ? "sbmatch" : device_xname(sc->sc_dev),
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sc->sc_drq8);
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return 0;
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}
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}
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if (0 <= sc->sc_drq16 && sc->sc_drq16 <= 3)
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/*
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* XXX Some ViBRA16 cards seem to have two 8 bit DMA
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* channels. I've no clue how to use them, so ignore
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* one of them for now. -- augustss@NetBSD.org
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*/
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sc->sc_drq16 = -1;
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if (ISSB16CLASS(sc)) {
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if (sc->sc_drq16 == -1)
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sc->sc_drq16 = sc->sc_drq8;
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if (!SB16_DRQ_VALID(sc->sc_drq16)) {
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aprint_error("%s: configured DMA chan %d invalid\n",
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probing ? "sbmatch" : device_xname(sc->sc_dev),
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sc->sc_drq16);
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return 0;
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}
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} else
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sc->sc_drq16 = sc->sc_drq8;
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if (ISSBPROCLASS(sc)) {
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if (!SBP_IRQ_VALID(sc->sc_irq)) {
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aprint_error("%s: configured irq %d invalid\n",
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probing ? "sbmatch" : device_xname(sc->sc_dev),
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sc->sc_irq);
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return 0;
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}
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} else {
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if (!SB_IRQ_VALID(sc->sc_irq)) {
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aprint_error("%s: configured irq %d invalid\n",
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probing ? "sbmatch" : device_xname(sc->sc_dev),
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sc->sc_irq);
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return 0;
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}
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}
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if (ISSB16CLASS(sc) && !(sc->sc_quirks & SB_QUIRK_NO_INIT_DRQ)) {
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int w, r;
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if (sc->sc_irq >= __arraycount(irq_conf)) {
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aprint_error("%s: Cannot handle irq %d\n",
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probing ? "sbmatch" : device_xname(sc->sc_dev),
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sc->sc_irq);
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return 0;
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}
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if (sc->sc_drq16 >= __arraycount(drq_conf)) {
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aprint_error("%s: Cannot handle drq16 %d\n",
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probing ? "sbmatch" : device_xname(sc->sc_dev),
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sc->sc_drq16);
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return 0;
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}
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if (sc->sc_drq8 >= __arraycount(drq_conf)) {
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aprint_error("%s: Cannot handle drq8 %d\n",
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probing ? "sbmatch" : device_xname(sc->sc_dev),
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sc->sc_drq8);
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return 0;
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}
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#if 0
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printf("%s: old drq conf %02x\n", device_xname(sc->sc_dev),
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sbdsp_mix_read(sc, SBP_SET_DRQ));
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printf("%s: try drq conf %02x\n", device_xname(sc->sc_dev),
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drq_conf[sc->sc_drq16] | drq_conf[sc->sc_drq8]);
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#endif
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w = drq_conf[sc->sc_drq16] | drq_conf[sc->sc_drq8];
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sbdsp_mix_write(sc, SBP_SET_DRQ, w);
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r = sbdsp_mix_read(sc, SBP_SET_DRQ) & 0xeb;
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if (r != w) {
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aprint_error("%s: setting drq mask %02x failed, "
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"got %02x\n",
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probing ? "sbmatch" : device_xname(sc->sc_dev), w,
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r);
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return 0;
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}
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#if 0
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printf("%s: new drq conf %02x\n", device_xname(sc->sc_dev),
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sbdsp_mix_read(sc, SBP_SET_DRQ));
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#endif
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#if 0
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printf("%s: old irq conf %02x\n", device_xname(sc->sc_dev),
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sbdsp_mix_read(sc, SBP_SET_IRQ));
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printf("%s: try irq conf %02x\n", device_xname(sc->sc_dev),
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irq_conf[sc->sc_irq]);
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#endif
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w = irq_conf[sc->sc_irq];
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sbdsp_mix_write(sc, SBP_SET_IRQ, w);
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r = sbdsp_mix_read(sc, SBP_SET_IRQ) & 0x0f;
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if (r != w) {
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aprint_error("%s: setting irq mask %02x failed, "
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"got %02x\n",
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probing ? "sbmatch" : device_xname(sc->sc_dev), w,
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r);
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return 0;
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}
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#if 0
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printf("%s: new irq conf %02x\n", device_xname(sc->sc_dev),
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sbdsp_mix_read(sc, SBP_SET_IRQ));
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#endif
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}
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return 1;
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}
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void
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sbattach(struct sbdsp_softc *sc)
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{
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struct audio_attach_args arg;
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sbdsp_attach(sc);
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audio_attach_mi(&sb_hw_if, sc, sc->sc_dev);
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#if NMPU > 0
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switch(sc->sc_hasmpu) {
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default:
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case SBMPU_NONE: /* no mpu */
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break;
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case SBMPU_INTERNAL: /* try to attach midi directly */
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midi_attach_mi(&sb_midi_hw_if, sc, sc->sc_dev);
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break;
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case SBMPU_EXTERNAL: /* search for mpu */
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arg.type = AUDIODEV_TYPE_MPU;
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arg.hwif = 0;
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arg.hdl = 0;
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sc->sc_mpudev = config_found_ia(sc->sc_dev, "sbdsp", &arg, audioprint);
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break;
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}
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#endif
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if (sc->sc_model >= SB_20) {
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arg.type = AUDIODEV_TYPE_OPL;
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arg.hwif = 0;
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arg.hdl = 0;
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(void)config_found_ia(sc->sc_dev, "sbdsp", &arg, audioprint);
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}
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}
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/*
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* Various routines to interface to higher level audio driver
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*/
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int
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sb_getdev(void *addr, struct audio_device *retp)
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{
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static const char * const names[] = SB_NAMES;
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struct sbdsp_softc *sc;
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const char *config;
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sc = addr;
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if (sc->sc_model == SB_JAZZ)
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strlcpy(retp->name, "MV Jazz16", sizeof(retp->name));
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else
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strlcpy(retp->name, "SoundBlaster", sizeof(retp->name));
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snprintf(retp->version, sizeof(retp->version), "%d.%02d",
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SBVER_MAJOR(sc->sc_version), SBVER_MINOR(sc->sc_version));
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if (sc->sc_model < sizeof names / sizeof names[0])
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config = names[sc->sc_model];
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else
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config = "??";
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strlcpy(retp->config, config, sizeof(retp->config));
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return 0;
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}
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