1 /* $OpenBSD: pas.c,v 1.21 2001/06/06 10:18:57 d Exp $ */ 2 /* $NetBSD: pas.c,v 1.37 1998/01/12 09:43:43 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 * jfw 7/13/97 - The soundblaster code requires the generic bus-space 39 * structures to be set up properly. Rather than go to the effort of making 40 * code for a dead line fully generic, properly set up the SB structures and 41 * leave the rest x86/ISA/default-configuration specific. If you have a 42 * REAL computer, go buy a REAL sound card. 43 */ 44 /* 45 * Todo: 46 * - look at other PAS drivers (for PAS native suport) 47 * - use common sb.c once emulation is setup 48 */ 49 50 #include <sys/param.h> 51 #include <sys/systm.h> 52 #include <sys/errno.h> 53 #include <sys/ioctl.h> 54 #include <sys/syslog.h> 55 #include <sys/device.h> 56 #include <sys/proc.h> 57 58 #include <machine/cpu.h> 59 #include <machine/intr.h> 60 #include <machine/bus.h> 61 62 #include <sys/audioio.h> 63 #include <dev/audio_if.h> 64 #include <dev/midi_if.h> 65 66 #include <dev/isa/isavar.h> 67 #include <dev/isa/isadmavar.h> 68 69 #include <dev/isa/sbdspvar.h> 70 #include <dev/isa/sbreg.h> 71 72 #define DEFINE_TRANSLATIONS 73 #include <dev/isa/pasreg.h> 74 75 #ifdef AUDIO_DEBUG 76 #define DPRINTF(x) if (pasdebug) printf x 77 int pasdebug = 0; 78 #else 79 #define DPRINTF(x) 80 #endif 81 82 /* 83 * Software state, per SoundBlaster card. 84 * The soundblaster has multiple functionality, which we must demultiplex. 85 * One approach is to have one major device number for the soundblaster card, 86 * and use different minor numbers to indicate which hardware function 87 * we want. This would make for one large driver. Instead our approach 88 * is to partition the design into a set of drivers that share an underlying 89 * piece of hardware. Most things are hard to share, for example, the audio 90 * and midi ports. For audio, we might want to mix two processes' signals, 91 * and for midi we might want to merge streams (this is hard due to 92 * running status). Moreover, we should be able to re-use the high-level 93 * modules with other kinds of hardware. In this module, we only handle the 94 * most basic communications with the sb card. 95 */ 96 struct pas_softc { 97 struct sbdsp_softc sc_sbdsp; /* use sc_dev, sc_id, sc_ih, 98 * sc_iobase, sc_irq, sc_drq 99 * from here */ 100 int model; /* unique to PAS */ 101 int rev; 102 103 }; 104 105 int pas_getdev __P((void *, struct audio_device *)); 106 void pasconf __P((int, int, int, int)); 107 108 109 /* 110 * Define our interface to the higher level audio driver. 111 */ 112 113 struct audio_hw_if pas_hw_if = { 114 sbdsp_open, 115 sbdsp_close, 116 0, 117 sbdsp_query_encoding, 118 sbdsp_set_params, 119 sbdsp_round_blocksize, 120 0, 121 0, 122 0, 123 0, 124 0, 125 sbdsp_haltdma, 126 sbdsp_haltdma, 127 sbdsp_speaker_ctl, 128 pas_getdev, 129 0, 130 sbdsp_mixer_set_port, 131 sbdsp_mixer_get_port, 132 sbdsp_mixer_query_devinfo, 133 sb_malloc, 134 sb_free, 135 sb_round, 136 sb_mappage, 137 sbdsp_get_props, 138 sbdsp_trigger_output, 139 sbdsp_trigger_input 140 }; 141 142 /* The Address Translation code is used to convert I/O register addresses to 143 be relative to the given base -register */ 144 145 static char *pasnames[] = { 146 "", 147 "Plus", 148 "CDPC", 149 "16", 150 "16Basic" 151 }; 152 153 static struct audio_device pas_device = { 154 "PAS,??", 155 "", 156 "pas" 157 }; 158 159 /*XXX assume default I/O base address */ 160 #define pasread(p) inb(p) 161 #define paswrite(d, p) outb(p, d) 162 163 void 164 pasconf(model, sbbase, sbirq, sbdrq) 165 int model; 166 int sbbase; 167 int sbirq; 168 int sbdrq; 169 { 170 paswrite(0x00, INTERRUPT_MASK); 171 /* Local timer control register */ 172 paswrite(0x36, SAMPLE_COUNTER_CONTROL); 173 /* Sample rate timer (16 bit) */ 174 paswrite(0x36, SAMPLE_RATE_TIMER); 175 paswrite(0, SAMPLE_RATE_TIMER); 176 /* Local timer control register */ 177 paswrite(0x74, SAMPLE_COUNTER_CONTROL); 178 /* Sample count register (16 bit) */ 179 paswrite(0x74, SAMPLE_BUFFER_COUNTER); 180 paswrite(0, SAMPLE_BUFFER_COUNTER); 181 182 paswrite(P_C_PCM_MONO | P_C_PCM_DAC_MODE | 183 P_C_MIXER_CROSS_L_TO_L | P_C_MIXER_CROSS_R_TO_R, 184 PCM_CONTROL); 185 paswrite(S_M_PCM_RESET | S_M_FM_RESET | 186 S_M_SB_RESET | S_M_MIXER_RESET, SERIAL_MIXER); 187 188 /*XXX*/ 189 paswrite(I_C_1_BOOT_RESET_ENABLE|1, IO_CONFIGURATION_1); 190 191 paswrite(I_C_2_PCM_DMA_DISABLED, IO_CONFIGURATION_2); 192 paswrite(I_C_3_PCM_IRQ_DISABLED, IO_CONFIGURATION_3); 193 194 #ifdef BROKEN_BUS_CLOCK 195 paswrite(S_C_1_PCS_ENABLE | S_C_1_PCS_STEREO | S_C_1_PCS_REALSOUND | 196 S_C_1_FM_EMULATE_CLOCK, SYSTEM_CONFIGURATION_1); 197 #else 198 paswrite(S_C_1_PCS_ENABLE | S_C_1_PCS_STEREO | S_C_1_PCS_REALSOUND, 199 SYSTEM_CONFIGURATION_1); 200 #endif 201 202 /*XXX*/ 203 paswrite(0, SYSTEM_CONFIGURATION_2); 204 paswrite(0, SYSTEM_CONFIGURATION_3); 205 206 /* Sets mute off and selects filter rate of 17.897 kHz */ 207 paswrite(F_F_MIXER_UNMUTE | 0x01, FILTER_FREQUENCY); 208 209 if (model == PAS_16 || model == PAS_16BASIC) 210 paswrite(8, PRESCALE_DIVIDER); 211 else 212 paswrite(0, PRESCALE_DIVIDER); 213 214 paswrite(P_M_MV508_ADDRESS | P_M_MV508_PCM, PARALLEL_MIXER); 215 paswrite(5, PARALLEL_MIXER); 216 217 /* 218 * Setup SoundBlaster emulation. 219 */ 220 paswrite((sbbase >> 4) & 0xf, EMULATION_ADDRESS); 221 paswrite(E_C_SB_IRQ_translate[sbirq] | E_C_SB_DMA_translate[sbdrq], 222 EMULATION_CONFIGURATION); 223 paswrite(C_E_SB_ENABLE, COMPATIBILITY_ENABLE); 224 225 /* 226 * Set mid-range levels. 227 */ 228 paswrite(P_M_MV508_ADDRESS | P_M_MV508_MODE, PARALLEL_MIXER); 229 paswrite(P_M_MV508_LOUDNESS | P_M_MV508_ENHANCE_NONE, PARALLEL_MIXER); 230 231 paswrite(P_M_MV508_ADDRESS | P_M_MV508_MASTER_A, PARALLEL_MIXER); 232 paswrite(50, PARALLEL_MIXER); 233 paswrite(P_M_MV508_ADDRESS | P_M_MV508_MASTER_B, PARALLEL_MIXER); 234 paswrite(50, PARALLEL_MIXER); 235 236 paswrite(P_M_MV508_ADDRESS | P_M_MV508_MIXER | P_M_MV508_SB, PARALLEL_MIXER); 237 paswrite(P_M_MV508_OUTPUTMIX | 30, PARALLEL_MIXER); 238 239 paswrite(P_M_MV508_ADDRESS | P_M_MV508_MIXER | P_M_MV508_MIC, PARALLEL_MIXER); 240 paswrite(P_M_MV508_INPUTMIX | 30, PARALLEL_MIXER); 241 } 242 243 int pasprobe __P((struct device *, void *, void *)); 244 void pasattach __P((struct device *, struct device *, void *)); 245 246 struct cfattach pas_ca = { 247 sizeof(struct pas_softc), pasprobe, pasattach 248 }; 249 250 struct cfdriver pas_cd = { 251 NULL, "pas", DV_DULL 252 }; 253 254 /* 255 * Probe / attach routines. 256 */ 257 258 /* 259 * Probe for the soundblaster hardware. 260 */ 261 int 262 pasprobe(parent, match, aux) 263 struct device *parent; 264 void *match, *aux; 265 { 266 struct pas_softc *sc = match; 267 struct isa_attach_args *ia = aux; 268 int iobase; 269 u_char id, t; 270 271 /* ensure we can set this up as a sound blaster */ 272 if (!SB_BASE_VALID(ia->ia_iobase)) { 273 DPRINTF(("pas: configured SB iobase 0x%x invalid\n", ia->ia_iobase)); 274 return 0; 275 } 276 277 /* 278 * WARNING: Setting an option like W:1 or so that disables 279 * warm boot reset of the card will screw up this detect code 280 * something fierce. Adding code to handle this means possibly 281 * interfering with other cards on the bus if you have something 282 * on base port 0x388. SO be forewarned. 283 */ 284 /* Talk to first board */ 285 outb(MASTER_DECODE, 0xbc); 286 /* Set base address */ 287 288 #if 0 289 /* XXX Need to setup pseudo device */ 290 /* XXX What are good io addrs ? */ 291 if (iobase != PAS_DEFAULT_BASE) { 292 DPRINTF(("pas: configured iobase %d invalid\n", iobase)); 293 return 0; 294 } 295 #else 296 /* Start out talking to native PAS */ 297 iobase = PAS_DEFAULT_BASE; 298 #endif 299 300 outb(MASTER_DECODE, iobase >> 2); 301 /* One wait-state */ 302 paswrite(1, WAIT_STATE); 303 304 id = pasread(INTERRUPT_MASK); 305 if (id == 0xff || id == 0xfe) { 306 /* sanity */ 307 DPRINTF(("pas: bogus card id\n")); 308 return 0; 309 } 310 /* 311 * We probably have a PAS-series board, now check for a 312 * PAS2-series board by trying to change the board revision 313 * bits. PAS2-series hardware won't let you do this because 314 * the bits are read-only. 315 */ 316 t = id ^ 0xe0; 317 paswrite(t, INTERRUPT_MASK); 318 t = inb(INTERRUPT_MASK); 319 paswrite(id, INTERRUPT_MASK); 320 321 if (t != id) { 322 /* Not a PAS2 */ 323 DPRINTF(("pas: detected card but PAS2 test failed\n")); 324 return 0; 325 } 326 /*XXX*/ 327 t = pasread(OPERATION_MODE_1) & 0xf; 328 sc->model = O_M_1_to_card[t]; 329 if (sc->model != 0) { 330 sc->rev = pasread(BOARD_REV_ID); 331 } 332 else { 333 DPRINTF(("pas: bogus model id\n")); 334 return 0; 335 } 336 337 if (sc->model >= 0) { 338 if (ia->ia_irq == IRQUNK) { 339 DPRINTF(("pas: sb emulation requires known irq\n")); 340 return (0); 341 } 342 pasconf(sc->model, ia->ia_iobase, ia->ia_irq, 1); 343 } else { 344 DPRINTF(("pas: could not probe pas\n")); 345 return (0); 346 } 347 348 /* Now a SoundBlaster, so set up proper bus-space hooks 349 * appropriately 350 */ 351 352 sc->sc_sbdsp.sc_iobase = ia->ia_iobase; 353 sc->sc_sbdsp.sc_iot = ia->ia_iot; 354 355 /* Map i/o space [we map 24 ports which is the max of the sb and pro */ 356 if (bus_space_map(sc->sc_sbdsp.sc_iot, ia->ia_iobase, SBP_NPORT, 0, 357 &sc->sc_sbdsp.sc_ioh)) { 358 DPRINTF(("pas: can't map i/o space 0x%x/%d in probe\n", 359 ia->ia_iobase, SBP_NPORT)); 360 return 0; 361 } 362 363 if (sbdsp_reset(&sc->sc_sbdsp) < 0) { 364 DPRINTF(("pas: couldn't reset card\n")); 365 goto unmap; 366 } 367 368 /* 369 * Cannot auto-discover DMA channel. 370 */ 371 if (!SB_DRQ_VALID(ia->ia_drq)) { 372 DPRINTF(("pas: configured dma chan %d invalid\n", ia->ia_drq)); 373 goto unmap; 374 } 375 if (!SB_IRQ_VALID(ia->ia_irq)) { 376 DPRINTF(("pas: configured irq chan %d invalid\n", ia->ia_irq)); 377 goto unmap; 378 } 379 380 sc->sc_sbdsp.sc_irq = ia->ia_irq; 381 sc->sc_sbdsp.sc_drq8 = ia->ia_drq; 382 sc->sc_sbdsp.sc_drq16 = -1; /* XXX */ 383 sc->sc_sbdsp.sc_ic = ia->ia_ic; 384 385 if (sbdsp_probe(&sc->sc_sbdsp) == 0) { 386 DPRINTF(("pas: sbdsp probe failed\n")); 387 goto unmap; 388 } 389 390 ia->ia_iosize = SB_NPORT; 391 return 1; 392 393 unmap: 394 bus_space_unmap(sc->sc_sbdsp.sc_iot, sc->sc_sbdsp.sc_ioh, SBP_NPORT); 395 return 0; 396 } 397 398 /* 399 * Attach hardware to driver, attach hardware driver to audio 400 * pseudo-device driver . 401 */ 402 void 403 pasattach(parent, self, aux) 404 struct device *parent, *self; 405 void *aux; 406 { 407 struct pas_softc *sc = (struct pas_softc *)self; 408 struct isa_attach_args *ia = (struct isa_attach_args *)aux; 409 int iobase = ia->ia_iobase; 410 411 sc->sc_sbdsp.sc_isa = parent; 412 sc->sc_sbdsp.sc_iobase = iobase; 413 sc->sc_sbdsp.sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE, 414 IPL_AUDIO, sbdsp_intr, &sc->sc_sbdsp, sc->sc_sbdsp.sc_dev.dv_xname); 415 416 printf(" ProAudio Spectrum %s [rev %d] ", pasnames[sc->model], sc->rev); 417 418 sbdsp_attach(&sc->sc_sbdsp); 419 420 sprintf(pas_device.name, "pas,%s", pasnames[sc->model]); 421 sprintf(pas_device.version, "%d", sc->rev); 422 423 audio_attach_mi(&pas_hw_if, &sc->sc_sbdsp, &sc->sc_sbdsp.sc_dev); 424 } 425 426 int 427 pas_getdev(addr, retp) 428 void *addr; 429 struct audio_device *retp; 430 { 431 *retp = pas_device; 432 return 0; 433 } 434