1 /* $NetBSD: pas.c,v 1.73 2019/12/27 09:22:20 msaitoh Exp $ */ 2 3 /* 4 * Copyright (c) 1991-1993 Regents of the University of California. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the Computer Systems 18 * Engineering Group at Lawrence Berkeley Laboratory. 19 * 4. Neither the name of the University nor of the Laboratory may be used 20 * to endorse or promote products derived from this software without 21 * specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 */ 36 /* 37 * jfw 7/13/97 - The soundblaster code requires the generic bus-space 38 * structures to be set up properly. Rather than go to the effort of making 39 * code for a dead line fully generic, properly set up the SB structures and 40 * leave the rest x86/ISA/default-configuration specific. If you have a 41 * REAL computer, go buy a REAL sound card. 42 */ 43 /* 44 * Todo: 45 * - look at other PAS drivers (for PAS native support) 46 * - use common sb.c once emulation is setup 47 */ 48 /* 49 * jfw 6/21/98 - WARNING: the PAS native IO ports are scattered all around 50 * IO port space (0x0388, 0x738B, 0xBF88, 0x2789, ...) which will make proper 51 * reservation a real pain, so I'm not going to do it (while fixing the 52 * current reservation code to "work"). As a sanity check, I reserve the 53 * 0x0388 base address, but you probably shouldn't even think of trying this 54 * driver unless you're certain you have the hardware installed and it doesn't 55 * conflict with other hardware... 56 */ 57 58 59 #include <sys/cdefs.h> 60 __KERNEL_RCSID(0, "$NetBSD: pas.c,v 1.73 2019/12/27 09:22:20 msaitoh Exp $"); 61 62 #include <sys/param.h> 63 #include <sys/systm.h> 64 #include <sys/errno.h> 65 #include <sys/ioctl.h> 66 #include <sys/syslog.h> 67 #include <sys/device.h> 68 #include <sys/proc.h> 69 70 #include <sys/cpu.h> 71 #include <sys/intr.h> 72 #include <sys/bus.h> 73 #include <machine/pio.h> 74 75 #include <sys/audioio.h> 76 #include <dev/audio/audio_if.h> 77 #include <dev/midi_if.h> 78 79 #include <dev/isa/isavar.h> 80 #include <dev/isa/isadmavar.h> 81 82 #include <dev/isa/sbdspvar.h> 83 #include <dev/isa/sbreg.h> 84 85 #define DEFINE_TRANSLATIONS 86 #include <dev/isa/pasreg.h> 87 88 #ifdef AUDIO_DEBUG 89 #define DPRINTF(x) if (pasdebug) printf x 90 int pasdebug = 0; 91 #else 92 #define DPRINTF(x) 93 #endif 94 95 /* 96 * Software state, per SoundBlaster card. 97 * The soundblaster has multiple functionality, which we must demultiplex. 98 * One approach is to have one major device number for the soundblaster card, 99 * and use different minor numbers to indicate which hardware function 100 * we want. This would make for one large driver. Instead our approach 101 * is to partition the design into a set of drivers that share an underlying 102 * piece of hardware. Most things are hard to share, for example, the audio 103 * and midi ports. For audio, we might want to mix two processes' signals, 104 * and for midi we might want to merge streams (this is hard due to 105 * running status). Moreover, we should be able to re-use the high-level 106 * modules with other kinds of hardware. In this module, we only handle the 107 * most basic communications with the sb card. 108 */ 109 struct pas_softc { 110 struct sbdsp_softc sc_sbdsp; /* base device, &c. */ 111 bus_space_handle_t pas_port_handle; /* the pas-specific port */ 112 113 int model; 114 int rev; 115 }; 116 117 int pas_getdev(void *, struct audio_device *); 118 void pasconf(int, int, int, int); 119 120 121 /* 122 * Define our interface to the higher level audio driver. 123 */ 124 125 const struct audio_hw_if pas_hw_if = { 126 .open = sbdsp_open, 127 .close = sbdsp_close, 128 .query_format = sbdsp_query_format, 129 .set_format = sbdsp_set_format, 130 .round_blocksize = sbdsp_round_blocksize, 131 .halt_output = sbdsp_halt_output, 132 .halt_input = sbdsp_halt_input, 133 .speaker_ctl = sbdsp_speaker_ctl, 134 .getdev = pas_getdev, 135 .set_port = sbdsp_mixer_set_port, 136 .get_port = sbdsp_mixer_get_port, 137 .query_devinfo = sbdsp_mixer_query_devinfo, 138 .allocm = sb_malloc, 139 .freem = sb_free, 140 .round_buffersize = sb_round_buffersize, 141 .get_props = sbdsp_get_props, 142 .trigger_output = sbdsp_trigger_output, 143 .trigger_input = sbdsp_trigger_input, 144 .get_locks = sbdsp_get_locks, 145 }; 146 147 /* The Address Translation code is used to convert I/O register addresses to 148 be relative to the given base -register */ 149 150 static const char *pasnames[] = { 151 "", 152 "Plus", 153 "CDPC", 154 "16", 155 "16Basic" 156 }; 157 158 static struct audio_device pas_device = { 159 "PAS,??", 160 "", 161 "pas" 162 }; 163 164 /*XXX assume default I/O base address */ 165 #define pasread(p) inb((p)) 166 #define paswrite(d, p) outb((p), (d)) 167 168 void 169 pasconf(int model, int sbbase, int sbirq, int sbdrq) 170 { 171 172 paswrite(0x00, INTERRUPT_MASK); 173 /* Local timer control register */ 174 paswrite(0x36, SAMPLE_COUNTER_CONTROL); 175 /* Sample rate timer (16 bit) */ 176 paswrite(0x36, SAMPLE_RATE_TIMER); 177 paswrite(0, SAMPLE_RATE_TIMER); 178 /* Local timer control register */ 179 paswrite(0x74, SAMPLE_COUNTER_CONTROL); 180 /* Sample count register (16 bit) */ 181 paswrite(0x74, SAMPLE_BUFFER_COUNTER); 182 paswrite(0, SAMPLE_BUFFER_COUNTER); 183 184 paswrite(P_C_PCM_MONO | P_C_PCM_DAC_MODE | 185 P_C_MIXER_CROSS_L_TO_L | P_C_MIXER_CROSS_R_TO_R, 186 PCM_CONTROL); 187 paswrite(S_M_PCM_RESET | S_M_FM_RESET | 188 S_M_SB_RESET | S_M_MIXER_RESET, SERIAL_MIXER); 189 190 /*XXX*/ 191 paswrite(I_C_1_BOOT_RESET_ENABLE|1, IO_CONFIGURATION_1); 192 193 paswrite(I_C_2_PCM_DMA_DISABLED, IO_CONFIGURATION_2); 194 paswrite(I_C_3_PCM_IRQ_DISABLED, IO_CONFIGURATION_3); 195 196 #ifdef BROKEN_BUS_CLOCK 197 paswrite(S_C_1_PCS_ENABLE | S_C_1_PCS_STEREO | S_C_1_PCS_REALSOUND | 198 S_C_1_FM_EMULATE_CLOCK, SYSTEM_CONFIGURATION_1); 199 #else 200 paswrite(S_C_1_PCS_ENABLE | S_C_1_PCS_STEREO | S_C_1_PCS_REALSOUND, 201 SYSTEM_CONFIGURATION_1); 202 #endif 203 204 /*XXX*/ 205 paswrite(0, SYSTEM_CONFIGURATION_2); 206 paswrite(0, SYSTEM_CONFIGURATION_3); 207 208 /* Sets mute off and selects filter rate of 17.897 kHz */ 209 paswrite(F_F_MIXER_UNMUTE | 0x01, FILTER_FREQUENCY); 210 211 if (model == PAS_16 || model == PAS_16BASIC) 212 paswrite(8, PRESCALE_DIVIDER); 213 else 214 paswrite(0, PRESCALE_DIVIDER); 215 216 paswrite(P_M_MV508_ADDRESS | P_M_MV508_PCM, PARALLEL_MIXER); 217 paswrite(5, PARALLEL_MIXER); 218 219 /* 220 * Setup SoundBlaster emulation. 221 */ 222 paswrite((sbbase >> 4) & 0xf, EMULATION_ADDRESS); 223 paswrite(E_C_SB_IRQ_translate[sbirq] | E_C_SB_DMA_translate[sbdrq], 224 EMULATION_CONFIGURATION); 225 paswrite(C_E_SB_ENABLE, COMPATIBILITY_ENABLE); 226 227 /* 228 * Set mid-range levels. 229 */ 230 paswrite(P_M_MV508_ADDRESS | P_M_MV508_MODE, PARALLEL_MIXER); 231 paswrite(P_M_MV508_LOUDNESS | P_M_MV508_ENHANCE_NONE, PARALLEL_MIXER); 232 233 paswrite(P_M_MV508_ADDRESS | P_M_MV508_MASTER_A, PARALLEL_MIXER); 234 paswrite(50, PARALLEL_MIXER); 235 paswrite(P_M_MV508_ADDRESS | P_M_MV508_MASTER_B, PARALLEL_MIXER); 236 paswrite(50, PARALLEL_MIXER); 237 238 paswrite(P_M_MV508_ADDRESS | P_M_MV508_MIXER | P_M_MV508_SB, 239 PARALLEL_MIXER); 240 paswrite(P_M_MV508_OUTPUTMIX | 30, PARALLEL_MIXER); 241 242 paswrite(P_M_MV508_ADDRESS | P_M_MV508_MIXER | P_M_MV508_MIC, 243 PARALLEL_MIXER); 244 paswrite(P_M_MV508_INPUTMIX | 30, PARALLEL_MIXER); 245 } 246 247 int pasprobe(device_t, cfdata_t, void *); 248 void pasattach(device_t, device_t, void *); 249 static int pasfind(cfdata_t, struct pas_softc *, 250 struct isa_attach_args *, int); 251 /* argument to pasfind */ 252 #define PASPROBE 1 253 #define PASATTACH 0 254 255 CFATTACH_DECL_NEW(pas, sizeof(struct pas_softc), 256 pasprobe, pasattach, NULL, NULL); 257 258 /* 259 * Probe / attach routines. 260 */ 261 262 int 263 pasprobe(device_t parent, cfdata_t match, void *aux) 264 { 265 struct isa_attach_args *ia; 266 struct pas_softc probesc, *sc; 267 268 ia = aux; 269 sc = &probesc; 270 if (ia->ia_nio < 1) 271 return 0; 272 if (ia->ia_nirq < 1) 273 return 0; 274 if (ia->ia_ndrq < 1) 275 return 0; 276 277 if (ISA_DIRECT_CONFIG(ia)) 278 return 0; 279 280 memset(sc, 0, sizeof *sc); 281 return pasfind(match, sc, ia, PASPROBE); 282 } 283 284 /* 285 * Probe for the soundblaster hardware. 286 */ 287 static int 288 pasfind(cfdata_t match, struct pas_softc *sc, 289 struct isa_attach_args *ia, int probing) 290 { 291 int iobase; 292 u_char id, t; 293 int rc; 294 295 rc = 0; /* failure */ 296 /* ensure we can set this up as a sound blaster */ 297 if (!SB_BASE_VALID(ia->ia_io[0].ir_addr)) { 298 printf("pas: configured SB iobase 0x%x invalid\n", 299 ia->ia_io[0].ir_addr); 300 return 0; 301 } 302 303 if (bus_space_map(ia->ia_iot, PAS_DEFAULT_BASE, 1, 0, 304 &sc->pas_port_handle)) { 305 printf("pas: can't map base register %x in probe\n", 306 PAS_DEFAULT_BASE); 307 return 0; 308 } 309 310 /* 311 * WARNING: Setting an option like W:1 or so that disables 312 * warm boot reset of the card will screw up this detect code 313 * something fierce. Adding code to handle this means possibly 314 * interfering with other cards on the bus if you have something 315 * on base port 0x388. SO be forewarned. 316 */ 317 /* Talk to first board */ 318 outb(MASTER_DECODE, 0xbc); 319 /* Set base address */ 320 321 #if 0 322 /* XXX Need to setup pseudo device */ 323 /* XXX What are good io addrs ? */ 324 if (iobase != PAS_DEFAULT_BASE) { 325 printf("pas: configured iobase %d invalid\n", iobase); 326 return 0; 327 } 328 #else 329 /* Start out talking to native PAS */ 330 iobase = PAS_DEFAULT_BASE; 331 #endif 332 333 outb(MASTER_DECODE, iobase >> 2); 334 /* One wait-state */ 335 paswrite(1, WAIT_STATE); 336 337 id = pasread(INTERRUPT_MASK); 338 if (id == 0xff || id == 0xfe) { 339 /* sanity */ 340 DPRINTF(("pas: bogus card id\n")); 341 goto unmap1; 342 } 343 /* 344 * We probably have a PAS-series board, now check for a 345 * PAS2-series board by trying to change the board revision 346 * bits. PAS2-series hardware won't let you do this because 347 * the bits are read-only. 348 */ 349 t = id ^ 0xe0; 350 paswrite(t, INTERRUPT_MASK); 351 t = inb(INTERRUPT_MASK); 352 paswrite(id, INTERRUPT_MASK); 353 354 if (t != id) { 355 /* Not a PAS2 */ 356 printf("pas: detected card but PAS2 test failed\n"); 357 goto unmap1; 358 } 359 /*XXX*/ 360 t = pasread(OPERATION_MODE_1) & 0xf; 361 sc->model = O_M_1_to_card[t]; 362 if (sc->model != 0) { 363 sc->rev = pasread(BOARD_REV_ID); 364 } else { 365 DPRINTF(("pas: bogus model id\n")); 366 goto unmap1; 367 } 368 369 if (sc->model >= 0) { 370 if (ia->ia_irq[0].ir_irq == ISA_UNKNOWN_IRQ) { 371 printf("pas: sb emulation requires known irq\n"); 372 goto unmap1; 373 } 374 pasconf(sc->model, ia->ia_io[0].ir_addr, 375 ia->ia_irq[0].ir_irq, 1); 376 } else { 377 DPRINTF(("pas: could not probe pas\n")); 378 goto unmap1; 379 } 380 381 /* Now a SoundBlaster, so set up proper bus-space hooks 382 * appropriately 383 */ 384 385 sc->sc_sbdsp.sc_iobase = ia->ia_io[0].ir_addr; 386 sc->sc_sbdsp.sc_iot = ia->ia_iot; 387 388 /* Map i/o space [we map 24 ports which is the max of the sb and pro */ 389 if (bus_space_map(ia->ia_iot, ia->ia_io[0].ir_addr, 390 SBP_NPORT, 0, &sc->sc_sbdsp.sc_ioh)) { 391 printf("pas: can't map i/o space 0x%x/%d in probe\n", 392 ia->ia_io[0].ir_addr, SBP_NPORT); 393 goto unmap1; 394 } 395 396 if (sbdsp_reset(&sc->sc_sbdsp) < 0) { 397 DPRINTF(("pas: couldn't reset card\n")); 398 goto unmap; 399 } 400 401 /* 402 * Cannot auto-discover DMA channel. 403 */ 404 if (!SB_DRQ_VALID(ia->ia_drq[0].ir_drq)) { 405 printf("pas: configured DMA chan %d invalid\n", 406 ia->ia_drq[0].ir_drq); 407 goto unmap; 408 } 409 if (!SB_IRQ_VALID(ia->ia_irq[0].ir_irq)) { 410 printf("pas: configured irq chan %d invalid\n", 411 ia->ia_drq[0].ir_drq); 412 goto unmap; 413 } 414 415 sc->sc_sbdsp.sc_irq = ia->ia_irq[0].ir_irq; 416 sc->sc_sbdsp.sc_drq8 = ia->ia_drq[0].ir_drq; 417 sc->sc_sbdsp.sc_drq16 = -1; /* XXX */ 418 419 if (sbdsp_probe(&sc->sc_sbdsp, match) == 0) { 420 DPRINTF(("pas: sbdsp probe failed\n")); 421 goto unmap; 422 } 423 424 rc = 1; 425 426 if (probing) { 427 ia->ia_nio = 1; 428 ia->ia_io[0].ir_size = SBP_NPORT; 429 430 ia->ia_nirq = 1; 431 ia->ia_ndrq = 1; 432 433 ia->ia_niomem = 0; 434 } 435 436 unmap: 437 if (rc == 0 || probing) 438 bus_space_unmap(ia->ia_iot, sc->sc_sbdsp.sc_ioh, 439 SBP_NPORT); 440 unmap1: 441 if (rc == 0 || probing) 442 bus_space_unmap(ia->ia_iot, PAS_DEFAULT_BASE, 1); 443 return rc; 444 } 445 446 /* 447 * Attach hardware to driver, attach hardware driver to audio 448 * pseudo-device driver . 449 */ 450 void 451 pasattach(device_t parent, device_t self, void *aux) 452 { 453 struct pas_softc *sc; 454 struct isa_attach_args *ia; 455 int iobase; 456 457 sc = device_private(self); 458 sc->sc_sbdsp.sc_dev = self; 459 ia = (struct isa_attach_args *)aux; 460 iobase = ia->ia_io[0].ir_addr; 461 if (!pasfind(device_cfdata(self), sc, ia, PASATTACH)) { 462 aprint_error_dev(self, "pasfind failed\n"); 463 return; 464 } 465 466 mutex_init(&sc->sc_sbdsp.sc_lock, MUTEX_DEFAULT, IPL_NONE); 467 mutex_init(&sc->sc_sbdsp.sc_intr_lock, MUTEX_DEFAULT, IPL_AUDIO); 468 469 sc->sc_sbdsp.sc_ic = ia->ia_ic; 470 sc->sc_sbdsp.sc_iobase = iobase; 471 sc->sc_sbdsp.sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq[0].ir_irq, 472 IST_EDGE, IPL_AUDIO, sbdsp_intr, &sc->sc_sbdsp); 473 474 aprint_normal(" ProAudio Spectrum %s [rev %d] ", pasnames[sc->model], 475 sc->rev); 476 477 sbdsp_attach(&sc->sc_sbdsp); 478 479 snprintf(pas_device.name, sizeof(pas_device.name), "pas,%s", 480 pasnames[sc->model]); 481 snprintf(pas_device.version, sizeof(pas_device.version), "%d", 482 sc->rev); 483 484 audio_attach_mi(&pas_hw_if, &sc->sc_sbdsp, sc->sc_sbdsp.sc_dev); 485 } 486 487 int 488 pas_getdev(void *addr, struct audio_device *retp) 489 { 490 491 *retp = pas_device; 492 return 0; 493 } 494
Indexes created Mon Sep 22 13:09:51 GMT 2025