/* $OpenBSD: sb.c,v 1.31 2022/02/16 06:21:18 anton Exp $ */ /* $NetBSD: sb.c,v 1.57 1998/01/12 09:43:46 thorpej Exp $ */ /* * Copyright (c) 1991-1993 Regents of the University of California. * 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the Computer Systems * Engineering Group at Lawrence Berkeley Laboratory. * 4. Neither the name of the University nor of the Laboratory may be used * to endorse or promote products derived from this software without * specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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 "midi.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include struct cfdriver sb_cd = { NULL, "sb", DV_DULL }; #if NMIDI > 0 int sb_mpu401_open(void *, int, void (*iintr)(void *, int), void (*ointr)(void *), void *arg); void sb_mpu401_close(void *); int sb_mpu401_output(void *, int); void sb_mpu401_getinfo(void *, struct midi_info *); struct midi_hw_if sb_midi_hw_if = { sbdsp_midi_open, sbdsp_midi_close, sbdsp_midi_output, 0, /* flush */ sbdsp_midi_getinfo, 0, /* ioctl */ }; struct midi_hw_if sb_mpu401_hw_if = { sb_mpu401_open, sb_mpu401_close, sb_mpu401_output, 0, /* flush */ sb_mpu401_getinfo, 0, /* ioctl */ }; #endif /* * Define our interface to the higher level audio driver. */ struct audio_hw_if sb_hw_if = { sbdsp_open, sbdsp_close, sbdsp_set_params, sbdsp_round_blocksize, 0, 0, 0, 0, 0, sbdsp_haltdma, sbdsp_haltdma, sbdsp_speaker_ctl, 0, sbdsp_mixer_set_port, sbdsp_mixer_get_port, sbdsp_mixer_query_devinfo, sb_malloc, sb_free, sb_round, sbdsp_get_props, sbdsp_trigger_output, sbdsp_trigger_input }; #ifdef AUDIO_DEBUG #define DPRINTF(x) if (sbdebug) printf x int sbdebug = 0; #else #define DPRINTF(x) #endif /* * Probe / attach routines. */ int sbmatch(struct sbdsp_softc *sc) { static u_char drq_conf[8] = { 0x01, 0x02, -1, 0x08, -1, 0x20, 0x40, 0x80 }; static u_char irq_conf[11] = { -1, -1, 0x01, -1, -1, 0x02, -1, 0x04, -1, 0x01, 0x08 }; if (sbdsp_probe(sc) == 0) return 0; /* * Cannot auto-discover DMA channel. */ if (ISSBPROCLASS(sc)) { if (!SBP_DRQ_VALID(sc->sc_drq8)) { DPRINTF(("%s: configured dma chan %d invalid\n", sc->sc_dev.dv_xname, sc->sc_drq8)); return 0; } } else { if (!SB_DRQ_VALID(sc->sc_drq8)) { DPRINTF(("%s: configured dma chan %d invalid\n", sc->sc_dev.dv_xname, sc->sc_drq8)); return 0; } } if (0 <= sc->sc_drq16 && sc->sc_drq16 <= 3) /* * XXX Some ViBRA16 cards seem to have two 8 bit DMA * channels. I've no clue how to use them, so ignore * one of them for now. -- augustss@netbsd.org */ sc->sc_drq16 = -1; if (ISSB16CLASS(sc)) { if (sc->sc_drq16 == -1) sc->sc_drq16 = sc->sc_drq8; if (!SB16_DRQ_VALID(sc->sc_drq16)) { DPRINTF(("%s: configured dma chan %d invalid\n", sc->sc_dev.dv_xname, sc->sc_drq16)); return 0; } } else sc->sc_drq16 = sc->sc_drq8; if (ISSBPROCLASS(sc)) { if (!SBP_IRQ_VALID(sc->sc_irq)) { DPRINTF(("%s: configured irq %d invalid\n", sc->sc_dev.dv_xname, sc->sc_irq)); return 0; } } else { if (!SB_IRQ_VALID(sc->sc_irq)) { DPRINTF(("%s: configured irq %d invalid\n", sc->sc_dev.dv_xname, sc->sc_irq)); return 0; } } if (ISSB16CLASS(sc)) { int w, r; #if 0 DPRINTF(("%s: old drq conf %02x\n", sc->sc_dev.dv_xname, sbdsp_mix_read(sc, SBP_SET_DRQ))); DPRINTF(("%s: try drq conf %02x\n", sc->sc_dev.dv_xname, drq_conf[sc->sc_drq16] | drq_conf[sc->sc_drq8])); #endif w = drq_conf[sc->sc_drq16] | drq_conf[sc->sc_drq8]; sbdsp_mix_write(sc, SBP_SET_DRQ, w); r = sbdsp_mix_read(sc, SBP_SET_DRQ) & 0xeb; if (r != w) { DPRINTF(("%s: setting drq mask %02x failed, got %02x\n", sc->sc_dev.dv_xname, w, r)); return 0; } #if 0 DPRINTF(("%s: new drq conf %02x\n", sc->sc_dev.dv_xname, sbdsp_mix_read(sc, SBP_SET_DRQ))); #endif #if 0 DPRINTF(("%s: old irq conf %02x\n", sc->sc_dev.dv_xname, sbdsp_mix_read(sc, SBP_SET_IRQ))); DPRINTF(("%s: try irq conf %02x\n", sc->sc_dev.dv_xname, irq_conf[sc->sc_irq])); #endif w = irq_conf[sc->sc_irq]; sbdsp_mix_write(sc, SBP_SET_IRQ, w); r = sbdsp_mix_read(sc, SBP_SET_IRQ) & 0x0f; if (r != w) { DPRINTF(("%s: setting irq mask %02x failed, got %02x\n", sc->sc_dev.dv_xname, w, r)); return 0; } #if 0 DPRINTF(("%s: new irq conf %02x\n", sc->sc_dev.dv_xname, sbdsp_mix_read(sc, SBP_SET_IRQ))); #endif } return 1; } void sbattach(struct sbdsp_softc *sc) { struct audio_attach_args arg; #if NMIDI > 0 struct midi_hw_if *mhw = &sb_midi_hw_if; #endif sc->sc_ih = isa_intr_establish(sc->sc_ic, sc->sc_irq, IST_EDGE, IPL_AUDIO | IPL_MPSAFE, sbdsp_intr, sc, sc->sc_dev.dv_xname); sbdsp_attach(sc); #if NMIDI > 0 sc->sc_hasmpu = 0; if (ISSB16CLASS(sc) && sc->sc_mpu_sc.iobase != 0) { sc->sc_mpu_sc.iot = sc->sc_iot; if (mpu_find(&sc->sc_mpu_sc)) { sc->sc_hasmpu = 1; mhw = &sb_mpu401_hw_if; } } midi_attach_mi(mhw, sc, &sc->sc_dev); #endif audio_attach_mi(&sb_hw_if, sc, NULL, &sc->sc_dev); arg.type = AUDIODEV_TYPE_OPL; arg.hwif = 0; arg.hdl = 0; (void)config_found(&sc->sc_dev, &arg, audioprint); } /* * Various routines to interface to higher level audio driver */ #if NMIDI > 0 #define SBMPU(a) (&((struct sbdsp_softc *)addr)->sc_mpu_sc) int sb_mpu401_open(void *addr, int flags, void (*iintr)(void *, int), void (*ointr)(void *), void *arg) { return mpu_open(SBMPU(addr), flags, iintr, ointr, arg); } int sb_mpu401_output(void *addr, int d) { return mpu_output(SBMPU(addr), d); } void sb_mpu401_close(void *addr) { mpu_close(SBMPU(addr)); } void sb_mpu401_getinfo(void *addr, struct midi_info *mi) { mi->name = "SB MPU-401 UART"; mi->props = 0; } #endif