1 /* $NetBSD: pas.c,v 1.56 2002/10/02 03:10:49 thorpej 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 suport) 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 1.56 2002/10/02 03:10:49 thorpej 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 <machine/cpu.h> 71 #include <machine/intr.h> 72 #include <machine/bus.h> 73 #include <machine/pio.h> 74 75 #include <sys/audioio.h> 76 #include <dev/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 __P((void *, struct audio_device *)); 118 void pasconf __P((int, int, int, int)); 119 120 121 /* 122 * Define our interface to the higher level audio driver. 123 */ 124 125 struct audio_hw_if pas_hw_if = { 126 sbdsp_open, 127 sbdsp_close, 128 0, 129 sbdsp_query_encoding, 130 sbdsp_set_params, 131 sbdsp_round_blocksize, 132 0, 133 0, 134 0, 135 0, 136 0, 137 sbdsp_halt_output, 138 sbdsp_halt_input, 139 sbdsp_speaker_ctl, 140 pas_getdev, 141 0, 142 sbdsp_mixer_set_port, 143 sbdsp_mixer_get_port, 144 sbdsp_mixer_query_devinfo, 145 sb_malloc, 146 sb_free, 147 sb_round_buffersize, 148 sb_mappage, 149 sbdsp_get_props, 150 sbdsp_trigger_output, 151 sbdsp_trigger_input, 152 0, 153 }; 154 155 /* The Address Translation code is used to convert I/O register addresses to 156 be relative to the given base -register */ 157 158 static char *pasnames[] = { 159 "", 160 "Plus", 161 "CDPC", 162 "16", 163 "16Basic" 164 }; 165 166 static struct audio_device pas_device = { 167 "PAS,??", 168 "", 169 "pas" 170 }; 171 172 /*XXX assume default I/O base address */ 173 #define pasread(p) inb((p)) 174 #define paswrite(d, p) outb((p), (d)) 175 176 void 177 pasconf(model, sbbase, sbirq, sbdrq) 178 int model; 179 int sbbase; 180 int sbirq; 181 int sbdrq; 182 { 183 paswrite(0x00, INTERRUPT_MASK); 184 /* Local timer control register */ 185 paswrite(0x36, SAMPLE_COUNTER_CONTROL); 186 /* Sample rate timer (16 bit) */ 187 paswrite(0x36, SAMPLE_RATE_TIMER); 188 paswrite(0, SAMPLE_RATE_TIMER); 189 /* Local timer control register */ 190 paswrite(0x74, SAMPLE_COUNTER_CONTROL); 191 /* Sample count register (16 bit) */ 192 paswrite(0x74, SAMPLE_BUFFER_COUNTER); 193 paswrite(0, SAMPLE_BUFFER_COUNTER); 194 195 paswrite(P_C_PCM_MONO | P_C_PCM_DAC_MODE | 196 P_C_MIXER_CROSS_L_TO_L | P_C_MIXER_CROSS_R_TO_R, 197 PCM_CONTROL); 198 paswrite(S_M_PCM_RESET | S_M_FM_RESET | 199 S_M_SB_RESET | S_M_MIXER_RESET, SERIAL_MIXER); 200 201 /*XXX*/ 202 paswrite(I_C_1_BOOT_RESET_ENABLE|1, IO_CONFIGURATION_1); 203 204 paswrite(I_C_2_PCM_DMA_DISABLED, IO_CONFIGURATION_2); 205 paswrite(I_C_3_PCM_IRQ_DISABLED, IO_CONFIGURATION_3); 206 207 #ifdef BROKEN_BUS_CLOCK 208 paswrite(S_C_1_PCS_ENABLE | S_C_1_PCS_STEREO | S_C_1_PCS_REALSOUND | 209 S_C_1_FM_EMULATE_CLOCK, SYSTEM_CONFIGURATION_1); 210 #else 211 paswrite(S_C_1_PCS_ENABLE | S_C_1_PCS_STEREO | S_C_1_PCS_REALSOUND, 212 SYSTEM_CONFIGURATION_1); 213 #endif 214 215 /*XXX*/ 216 paswrite(0, SYSTEM_CONFIGURATION_2); 217 paswrite(0, SYSTEM_CONFIGURATION_3); 218 219 /* Sets mute off and selects filter rate of 17.897 kHz */ 220 paswrite(F_F_MIXER_UNMUTE | 0x01, FILTER_FREQUENCY); 221 222 if (model == PAS_16 || model == PAS_16BASIC) 223 paswrite(8, PRESCALE_DIVIDER); 224 else 225 paswrite(0, PRESCALE_DIVIDER); 226 227 paswrite(P_M_MV508_ADDRESS | P_M_MV508_PCM, PARALLEL_MIXER); 228 paswrite(5, PARALLEL_MIXER); 229 230 /* 231 * Setup SoundBlaster emulation. 232 */ 233 paswrite((sbbase >> 4) & 0xf, EMULATION_ADDRESS); 234 paswrite(E_C_SB_IRQ_translate[sbirq] | E_C_SB_DMA_translate[sbdrq], 235 EMULATION_CONFIGURATION); 236 paswrite(C_E_SB_ENABLE, COMPATIBILITY_ENABLE); 237 238 /* 239 * Set mid-range levels. 240 */ 241 paswrite(P_M_MV508_ADDRESS | P_M_MV508_MODE, PARALLEL_MIXER); 242 paswrite(P_M_MV508_LOUDNESS | P_M_MV508_ENHANCE_NONE, PARALLEL_MIXER); 243 244 paswrite(P_M_MV508_ADDRESS | P_M_MV508_MASTER_A, PARALLEL_MIXER); 245 paswrite(50, PARALLEL_MIXER); 246 paswrite(P_M_MV508_ADDRESS | P_M_MV508_MASTER_B, PARALLEL_MIXER); 247 paswrite(50, PARALLEL_MIXER); 248 249 paswrite(P_M_MV508_ADDRESS | P_M_MV508_MIXER | P_M_MV508_SB, PARALLEL_MIXER); 250 paswrite(P_M_MV508_OUTPUTMIX | 30, PARALLEL_MIXER); 251 252 paswrite(P_M_MV508_ADDRESS | P_M_MV508_MIXER | P_M_MV508_MIC, PARALLEL_MIXER); 253 paswrite(P_M_MV508_INPUTMIX | 30, PARALLEL_MIXER); 254 } 255 256 int pasprobe __P((struct device *, struct cfdata *, void *)); 257 void pasattach __P((struct device *, struct device *, void *)); 258 static int pasfind __P((struct device *, struct pas_softc *, 259 struct isa_attach_args *, int)); 260 /* argument to pasfind */ 261 #define PASPROBE 1 262 #define PASATTACH 0 263 264 CFATTACH_DECL(pas, sizeof(struct pas_softc), 265 pasprobe, pasattach, NULL, NULL); 266 267 /* 268 * Probe / attach routines. 269 */ 270 271 int 272 pasprobe(parent, match, aux) 273 struct device *parent; 274 struct cfdata *match; 275 void *aux; 276 { 277 struct isa_attach_args *ia = aux; 278 struct pas_softc probesc, *sc = &probesc; 279 280 if (ia->ia_nio < 1) 281 return (0); 282 if (ia->ia_nirq < 1) 283 return (0); 284 if (ia->ia_ndrq < 1) 285 return (0); 286 287 if (ISA_DIRECT_CONFIG(ia)) 288 return (0); 289 290 memset(sc, 0, sizeof *sc); 291 sc->sc_sbdsp.sc_dev.dv_cfdata = match; 292 strcpy(sc->sc_sbdsp.sc_dev.dv_xname, "pas"); 293 return pasfind(parent, sc, aux, PASPROBE); 294 } 295 296 /* 297 * Probe for the soundblaster hardware. 298 */ 299 static int 300 pasfind(parent, sc, ia, probing) 301 struct device *parent; 302 struct pas_softc *sc; 303 struct isa_attach_args *ia; 304 int probing; 305 { 306 int iobase; 307 u_char id, t; 308 int rc = 0; /* failure */ 309 310 /* ensure we can set this up as a sound blaster */ 311 if (!SB_BASE_VALID(ia->ia_io[0].ir_addr)) { 312 printf("pas: configured SB iobase 0x%x invalid\n", 313 ia->ia_io[0].ir_addr); 314 return 0; 315 } 316 317 if (bus_space_map(sc->sc_sbdsp.sc_iot, PAS_DEFAULT_BASE, 1, 0, 318 &sc->pas_port_handle)) { 319 printf("pas: can't map base register %x in probe\n", 320 PAS_DEFAULT_BASE); 321 return 0; 322 } 323 324 /* 325 * WARNING: Setting an option like W:1 or so that disables 326 * warm boot reset of the card will screw up this detect code 327 * something fierce. Adding code to handle this means possibly 328 * interfering with other cards on the bus if you have something 329 * on base port 0x388. SO be forewarned. 330 */ 331 /* Talk to first board */ 332 outb(MASTER_DECODE, 0xbc); 333 /* Set base address */ 334 335 #if 0 336 /* XXX Need to setup pseudo device */ 337 /* XXX What are good io addrs ? */ 338 if (iobase != PAS_DEFAULT_BASE) { 339 printf("pas: configured iobase %d invalid\n", iobase); 340 return 0; 341 } 342 #else 343 /* Start out talking to native PAS */ 344 iobase = PAS_DEFAULT_BASE; 345 #endif 346 347 outb(MASTER_DECODE, iobase >> 2); 348 /* One wait-state */ 349 paswrite(1, WAIT_STATE); 350 351 id = pasread(INTERRUPT_MASK); 352 if (id == 0xff || id == 0xfe) { 353 /* sanity */ 354 DPRINTF(("pas: bogus card id\n")); 355 goto unmap1; 356 } 357 /* 358 * We probably have a PAS-series board, now check for a 359 * PAS2-series board by trying to change the board revision 360 * bits. PAS2-series hardware won't let you do this because 361 * the bits are read-only. 362 */ 363 t = id ^ 0xe0; 364 paswrite(t, INTERRUPT_MASK); 365 t = inb(INTERRUPT_MASK); 366 paswrite(id, INTERRUPT_MASK); 367 368 if (t != id) { 369 /* Not a PAS2 */ 370 printf("pas: detected card but PAS2 test failed\n"); 371 goto unmap1; 372 } 373 /*XXX*/ 374 t = pasread(OPERATION_MODE_1) & 0xf; 375 sc->model = O_M_1_to_card[t]; 376 if (sc->model != 0) { 377 sc->rev = pasread(BOARD_REV_ID); 378 } 379 else { 380 DPRINTF(("pas: bogus model id\n")); 381 goto unmap1; 382 } 383 384 if (sc->model >= 0) { 385 if (ia->ia_irq[0].ir_irq == ISACF_IRQ_DEFAULT) { 386 printf("pas: sb emulation requires known irq\n"); 387 goto unmap1; 388 } 389 pasconf(sc->model, ia->ia_io[0].ir_addr, 390 ia->ia_irq[0].ir_irq, 1); 391 } else { 392 DPRINTF(("pas: could not probe pas\n")); 393 goto unmap1; 394 } 395 396 /* Now a SoundBlaster, so set up proper bus-space hooks 397 * appropriately 398 */ 399 400 sc->sc_sbdsp.sc_iobase = ia->ia_io[0].ir_addr; 401 sc->sc_sbdsp.sc_iot = ia->ia_iot; 402 403 /* Map i/o space [we map 24 ports which is the max of the sb and pro */ 404 if (bus_space_map(sc->sc_sbdsp.sc_iot, ia->ia_io[0].ir_addr, 405 SBP_NPORT, 0, &sc->sc_sbdsp.sc_ioh)) { 406 printf("pas: can't map i/o space 0x%x/%d in probe\n", 407 ia->ia_io[0].ir_addr, SBP_NPORT); 408 goto unmap1; 409 } 410 411 if (sbdsp_reset(&sc->sc_sbdsp) < 0) { 412 DPRINTF(("pas: couldn't reset card\n")); 413 goto unmap; 414 } 415 416 /* 417 * Cannot auto-discover DMA channel. 418 */ 419 if (!SB_DRQ_VALID(ia->ia_drq[0].ir_drq)) { 420 printf("pas: configured dma chan %d invalid\n", 421 ia->ia_drq[0].ir_drq); 422 goto unmap; 423 } 424 if (!SB_IRQ_VALID(ia->ia_irq[0].ir_irq)) { 425 printf("pas: configured irq chan %d invalid\n", 426 ia->ia_drq[0].ir_drq); 427 goto unmap; 428 } 429 430 sc->sc_sbdsp.sc_irq = ia->ia_irq[0].ir_irq; 431 sc->sc_sbdsp.sc_drq8 = ia->ia_drq[0].ir_drq; 432 sc->sc_sbdsp.sc_drq16 = -1; /* XXX */ 433 434 if (sbdsp_probe(&sc->sc_sbdsp) == 0) { 435 DPRINTF(("pas: sbdsp probe failed\n")); 436 goto unmap; 437 } 438 439 rc = 1; 440 441 if (probing) { 442 ia->ia_nio = 1; 443 ia->ia_io[0].ir_size = SBP_NPORT; 444 445 ia->ia_nirq = 1; 446 ia->ia_ndrq = 1; 447 448 ia->ia_niomem = 0; 449 } 450 451 unmap: 452 if (rc == 0 || probing) 453 bus_space_unmap(sc->sc_sbdsp.sc_iot, sc->sc_sbdsp.sc_ioh, 454 SBP_NPORT); 455 unmap1: 456 if (rc == 0 || probing) 457 bus_space_unmap(sc->sc_sbdsp.sc_iot, PAS_DEFAULT_BASE, 1); 458 return rc; 459 } 460 461 /* 462 * Attach hardware to driver, attach hardware driver to audio 463 * pseudo-device driver . 464 */ 465 void 466 pasattach(parent, self, aux) 467 struct device *parent, *self; 468 void *aux; 469 { 470 struct pas_softc *sc = (struct pas_softc *)self; 471 struct isa_attach_args *ia = (struct isa_attach_args *)aux; 472 int iobase = ia->ia_io[0].ir_addr; 473 474 if (!pasfind(parent, sc, ia, PASATTACH)) { 475 printf("%s: pasfind failed\n", sc->sc_sbdsp.sc_dev.dv_xname); 476 return; 477 } 478 479 sc->sc_sbdsp.sc_ic = ia->ia_ic; 480 sc->sc_sbdsp.sc_iobase = iobase; 481 sc->sc_sbdsp.sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq[0].ir_irq, 482 IST_EDGE, IPL_AUDIO, sbdsp_intr, &sc->sc_sbdsp); 483 484 printf(" ProAudio Spectrum %s [rev %d] ", pasnames[sc->model], 485 sc->rev); 486 487 sbdsp_attach(&sc->sc_sbdsp); 488 489 sprintf(pas_device.name, "pas,%s", pasnames[sc->model]); 490 sprintf(pas_device.version, "%d", sc->rev); 491 492 audio_attach_mi(&pas_hw_if, &sc->sc_sbdsp, &sc->sc_sbdsp.sc_dev); 493 } 494 495 int 496 pas_getdev(addr, retp) 497 void *addr; 498 struct audio_device *retp; 499 { 500 *retp = pas_device; 501 return 0; 502 } 503