1 /* $OpenBSD: sb.c,v 1.35 2022/11/02 10:41:34 kn Exp $ */ 2 /* $NetBSD: sb.c,v 1.57 1998/01/12 09:43:46 thorpej Exp $ */ 3 4 /* 5 * Copyright (c) 1991-1993 Regents of the University of California. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the Computer Systems 19 * Engineering Group at Lawrence Berkeley Laboratory. 20 * 4. Neither the name of the University nor of the Laboratory may be used 21 * to endorse or promote products derived from this software without 22 * specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 */ 37 38 #include "midi.h" 39 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/errno.h> 43 #include <sys/ioctl.h> 44 #include <sys/syslog.h> 45 #include <sys/device.h> 46 47 #include <machine/cpu.h> 48 #include <machine/intr.h> 49 #include <machine/bus.h> 50 51 #include <sys/audioio.h> 52 #include <dev/audio_if.h> 53 #include <dev/midi_if.h> 54 55 #include <dev/isa/isavar.h> 56 #include <dev/isa/isadmavar.h> 57 58 #include <dev/isa/sbreg.h> 59 #include <dev/isa/sbvar.h> 60 #include <dev/isa/sbdspvar.h> 61 62 struct cfdriver sb_cd = { 63 NULL, "sb", DV_DULL 64 }; 65 66 #if NMIDI > 0 67 int sb_mpu401_open(void *, int, void (*iintr)(void *, int), 68 void (*ointr)(void *), void *arg); 69 void sb_mpu401_close(void *); 70 int sb_mpu401_output(void *, int); 71 void sb_mpu401_getinfo(void *, struct midi_info *); 72 73 const struct midi_hw_if sb_midi_hw_if = { 74 sbdsp_midi_open, 75 sbdsp_midi_close, 76 sbdsp_midi_output, 77 0, /* flush */ 78 sbdsp_midi_getinfo, 79 0, /* ioctl */ 80 }; 81 82 const struct midi_hw_if sb_mpu401_hw_if = { 83 sb_mpu401_open, 84 sb_mpu401_close, 85 sb_mpu401_output, 86 0, /* flush */ 87 sb_mpu401_getinfo, 88 0, /* ioctl */ 89 }; 90 #endif 91 92 /* 93 * Define our interface to the higher level audio driver. 94 */ 95 96 const struct audio_hw_if sb_hw_if = { 97 .open = sbdsp_open, 98 .close = sbdsp_close, 99 .set_params = sbdsp_set_params, 100 .round_blocksize = sbdsp_round_blocksize, 101 .halt_output = sbdsp_haltdma, 102 .halt_input = sbdsp_haltdma, 103 .set_port = sbdsp_mixer_set_port, 104 .get_port = sbdsp_mixer_get_port, 105 .query_devinfo = sbdsp_mixer_query_devinfo, 106 .allocm = sb_malloc, 107 .freem = sb_free, 108 .round_buffersize = sb_round, 109 .trigger_output = sbdsp_trigger_output, 110 .trigger_input = sbdsp_trigger_input, 111 }; 112 113 #ifdef AUDIO_DEBUG 114 #define DPRINTF(x) if (sbdebug) printf x 115 int sbdebug = 0; 116 #else 117 #define DPRINTF(x) 118 #endif 119 120 /* 121 * Probe / attach routines. 122 */ 123 124 125 int 126 sbmatch(struct sbdsp_softc *sc) 127 { 128 static u_char drq_conf[8] = { 129 0x01, 0x02, -1, 0x08, -1, 0x20, 0x40, 0x80 130 }; 131 132 static u_char irq_conf[11] = { 133 -1, -1, 0x01, -1, -1, 0x02, -1, 0x04, -1, 0x01, 0x08 134 }; 135 136 if (sbdsp_probe(sc) == 0) 137 return 0; 138 139 /* 140 * Cannot auto-discover DMA channel. 141 */ 142 if (ISSBPROCLASS(sc)) { 143 if (!SBP_DRQ_VALID(sc->sc_drq8)) { 144 DPRINTF(("%s: configured dma chan %d invalid\n", 145 sc->sc_dev.dv_xname, sc->sc_drq8)); 146 return 0; 147 } 148 } else { 149 if (!SB_DRQ_VALID(sc->sc_drq8)) { 150 DPRINTF(("%s: configured dma chan %d invalid\n", 151 sc->sc_dev.dv_xname, sc->sc_drq8)); 152 return 0; 153 } 154 } 155 156 if (0 <= sc->sc_drq16 && sc->sc_drq16 <= 3) 157 /* 158 * XXX Some ViBRA16 cards seem to have two 8 bit DMA 159 * channels. I've no clue how to use them, so ignore 160 * one of them for now. -- augustss@netbsd.org 161 */ 162 sc->sc_drq16 = -1; 163 164 if (ISSB16CLASS(sc)) { 165 if (sc->sc_drq16 == -1) 166 sc->sc_drq16 = sc->sc_drq8; 167 if (!SB16_DRQ_VALID(sc->sc_drq16)) { 168 DPRINTF(("%s: configured dma chan %d invalid\n", 169 sc->sc_dev.dv_xname, sc->sc_drq16)); 170 return 0; 171 } 172 } else 173 sc->sc_drq16 = sc->sc_drq8; 174 175 if (ISSBPROCLASS(sc)) { 176 if (!SBP_IRQ_VALID(sc->sc_irq)) { 177 DPRINTF(("%s: configured irq %d invalid\n", 178 sc->sc_dev.dv_xname, sc->sc_irq)); 179 return 0; 180 } 181 } else { 182 if (!SB_IRQ_VALID(sc->sc_irq)) { 183 DPRINTF(("%s: configured irq %d invalid\n", 184 sc->sc_dev.dv_xname, sc->sc_irq)); 185 return 0; 186 } 187 } 188 189 if (ISSB16CLASS(sc)) { 190 int w, r; 191 #if 0 192 DPRINTF(("%s: old drq conf %02x\n", sc->sc_dev.dv_xname, 193 sbdsp_mix_read(sc, SBP_SET_DRQ))); 194 DPRINTF(("%s: try drq conf %02x\n", sc->sc_dev.dv_xname, 195 drq_conf[sc->sc_drq16] | drq_conf[sc->sc_drq8])); 196 #endif 197 w = drq_conf[sc->sc_drq16] | drq_conf[sc->sc_drq8]; 198 sbdsp_mix_write(sc, SBP_SET_DRQ, w); 199 r = sbdsp_mix_read(sc, SBP_SET_DRQ) & 0xeb; 200 if (r != w) { 201 DPRINTF(("%s: setting drq mask %02x failed, got %02x\n", sc->sc_dev.dv_xname, w, r)); 202 return 0; 203 } 204 #if 0 205 DPRINTF(("%s: new drq conf %02x\n", sc->sc_dev.dv_xname, 206 sbdsp_mix_read(sc, SBP_SET_DRQ))); 207 #endif 208 209 #if 0 210 DPRINTF(("%s: old irq conf %02x\n", sc->sc_dev.dv_xname, 211 sbdsp_mix_read(sc, SBP_SET_IRQ))); 212 DPRINTF(("%s: try irq conf %02x\n", sc->sc_dev.dv_xname, 213 irq_conf[sc->sc_irq])); 214 #endif 215 w = irq_conf[sc->sc_irq]; 216 sbdsp_mix_write(sc, SBP_SET_IRQ, w); 217 r = sbdsp_mix_read(sc, SBP_SET_IRQ) & 0x0f; 218 if (r != w) { 219 DPRINTF(("%s: setting irq mask %02x failed, got %02x\n", 220 sc->sc_dev.dv_xname, w, r)); 221 return 0; 222 } 223 #if 0 224 DPRINTF(("%s: new irq conf %02x\n", sc->sc_dev.dv_xname, 225 sbdsp_mix_read(sc, SBP_SET_IRQ))); 226 #endif 227 } 228 229 return 1; 230 } 231 232 233 void 234 sbattach(struct sbdsp_softc *sc) 235 { 236 struct audio_attach_args arg; 237 #if NMIDI > 0 238 const struct midi_hw_if *mhw = &sb_midi_hw_if; 239 #endif 240 241 sc->sc_ih = isa_intr_establish(sc->sc_ic, sc->sc_irq, 242 IST_EDGE, IPL_AUDIO | IPL_MPSAFE, 243 sbdsp_intr, sc, sc->sc_dev.dv_xname); 244 245 sbdsp_attach(sc); 246 247 #if NMIDI > 0 248 sc->sc_hasmpu = 0; 249 if (ISSB16CLASS(sc) && sc->sc_mpu_sc.iobase != 0) { 250 sc->sc_mpu_sc.iot = sc->sc_iot; 251 if (mpu_find(&sc->sc_mpu_sc)) { 252 sc->sc_hasmpu = 1; 253 mhw = &sb_mpu401_hw_if; 254 } 255 } 256 midi_attach_mi(mhw, sc, &sc->sc_dev); 257 #endif 258 259 audio_attach_mi(&sb_hw_if, sc, NULL, &sc->sc_dev); 260 261 arg.type = AUDIODEV_TYPE_OPL; 262 arg.hwif = 0; 263 arg.hdl = 0; 264 (void)config_found(&sc->sc_dev, &arg, audioprint); 265 } 266 267 /* 268 * Various routines to interface to higher level audio driver 269 */ 270 271 #if NMIDI > 0 272 273 #define SBMPU(a) (&((struct sbdsp_softc *)addr)->sc_mpu_sc) 274 275 int 276 sb_mpu401_open(void *addr, int flags, void (*iintr)(void *, int), 277 void (*ointr)(void *), void *arg) 278 { 279 return mpu_open(SBMPU(addr), flags, iintr, ointr, arg); 280 } 281 282 int 283 sb_mpu401_output(void *addr, int d) 284 { 285 return mpu_output(SBMPU(addr), d); 286 } 287 288 void 289 sb_mpu401_close(void *addr) 290 { 291 mpu_close(SBMPU(addr)); 292 } 293 294 void 295 sb_mpu401_getinfo(void *addr, struct midi_info *mi) 296 { 297 mi->name = "SB MPU-401 UART"; 298 mi->props = 0; 299 } 300 #endif 301