pas.c revision 1.61
1/* $NetBSD: pas.c,v 1.61 2005/01/14 03:41:45 kent 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 1.61 2005/01/14 03:41:45 kent 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 90int 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 */ 109struct 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 117int pas_getdev(void *, struct audio_device *); 118void pasconf(int, int, int, int); 119 120 121/* 122 * Define our interface to the higher level audio driver. 123 */ 124 125const 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 158static const char *pasnames[] = { 159 "", 160 "Plus", 161 "CDPC", 162 "16", 163 "16Basic" 164}; 165 166static 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 176void 177pasconf(int model, int sbbase, int sbirq, int sbdrq) 178{ 179 180 paswrite(0x00, INTERRUPT_MASK); 181 /* Local timer control register */ 182 paswrite(0x36, SAMPLE_COUNTER_CONTROL); 183 /* Sample rate timer (16 bit) */ 184 paswrite(0x36, SAMPLE_RATE_TIMER); 185 paswrite(0, SAMPLE_RATE_TIMER); 186 /* Local timer control register */ 187 paswrite(0x74, SAMPLE_COUNTER_CONTROL); 188 /* Sample count register (16 bit) */ 189 paswrite(0x74, SAMPLE_BUFFER_COUNTER); 190 paswrite(0, SAMPLE_BUFFER_COUNTER); 191 192 paswrite(P_C_PCM_MONO | P_C_PCM_DAC_MODE | 193 P_C_MIXER_CROSS_L_TO_L | P_C_MIXER_CROSS_R_TO_R, 194 PCM_CONTROL); 195 paswrite(S_M_PCM_RESET | S_M_FM_RESET | 196 S_M_SB_RESET | S_M_MIXER_RESET, SERIAL_MIXER); 197 198/*XXX*/ 199 paswrite(I_C_1_BOOT_RESET_ENABLE|1, IO_CONFIGURATION_1); 200 201 paswrite(I_C_2_PCM_DMA_DISABLED, IO_CONFIGURATION_2); 202 paswrite(I_C_3_PCM_IRQ_DISABLED, IO_CONFIGURATION_3); 203 204#ifdef BROKEN_BUS_CLOCK 205 paswrite(S_C_1_PCS_ENABLE | S_C_1_PCS_STEREO | S_C_1_PCS_REALSOUND | 206 S_C_1_FM_EMULATE_CLOCK, SYSTEM_CONFIGURATION_1); 207#else 208 paswrite(S_C_1_PCS_ENABLE | S_C_1_PCS_STEREO | S_C_1_PCS_REALSOUND, 209 SYSTEM_CONFIGURATION_1); 210#endif 211 212 /*XXX*/ 213 paswrite(0, SYSTEM_CONFIGURATION_2); 214 paswrite(0, SYSTEM_CONFIGURATION_3); 215 216 /* Sets mute off and selects filter rate of 17.897 kHz */ 217 paswrite(F_F_MIXER_UNMUTE | 0x01, FILTER_FREQUENCY); 218 219 if (model == PAS_16 || model == PAS_16BASIC) 220 paswrite(8, PRESCALE_DIVIDER); 221 else 222 paswrite(0, PRESCALE_DIVIDER); 223 224 paswrite(P_M_MV508_ADDRESS | P_M_MV508_PCM, PARALLEL_MIXER); 225 paswrite(5, PARALLEL_MIXER); 226 227 /* 228 * Setup SoundBlaster emulation. 229 */ 230 paswrite((sbbase >> 4) & 0xf, EMULATION_ADDRESS); 231 paswrite(E_C_SB_IRQ_translate[sbirq] | E_C_SB_DMA_translate[sbdrq], 232 EMULATION_CONFIGURATION); 233 paswrite(C_E_SB_ENABLE, COMPATIBILITY_ENABLE); 234 235 /* 236 * Set mid-range levels. 237 */ 238 paswrite(P_M_MV508_ADDRESS | P_M_MV508_MODE, PARALLEL_MIXER); 239 paswrite(P_M_MV508_LOUDNESS | P_M_MV508_ENHANCE_NONE, PARALLEL_MIXER); 240 241 paswrite(P_M_MV508_ADDRESS | P_M_MV508_MASTER_A, PARALLEL_MIXER); 242 paswrite(50, PARALLEL_MIXER); 243 paswrite(P_M_MV508_ADDRESS | P_M_MV508_MASTER_B, PARALLEL_MIXER); 244 paswrite(50, PARALLEL_MIXER); 245 246 paswrite(P_M_MV508_ADDRESS | P_M_MV508_MIXER | P_M_MV508_SB, 247 PARALLEL_MIXER); 248 paswrite(P_M_MV508_OUTPUTMIX | 30, PARALLEL_MIXER); 249 250 paswrite(P_M_MV508_ADDRESS | P_M_MV508_MIXER | P_M_MV508_MIC, 251 PARALLEL_MIXER); 252 paswrite(P_M_MV508_INPUTMIX | 30, PARALLEL_MIXER); 253} 254 255int pasprobe(struct device *, struct cfdata *, void *); 256void pasattach(struct device *, struct device *, void *); 257static int pasfind(struct device *, struct pas_softc *, 258 struct isa_attach_args *, int); 259/* argument to pasfind */ 260#define PASPROBE 1 261#define PASATTACH 0 262 263CFATTACH_DECL(pas, sizeof(struct pas_softc), 264 pasprobe, pasattach, NULL, NULL); 265 266/* 267 * Probe / attach routines. 268 */ 269 270int 271pasprobe(struct device *parent, struct cfdata *match, void *aux) 272{ 273 struct isa_attach_args *ia; 274 struct pas_softc probesc, *sc; 275 276 ia = aux; 277 sc = &probesc; 278 if (ia->ia_nio < 1) 279 return 0; 280 if (ia->ia_nirq < 1) 281 return 0; 282 if (ia->ia_ndrq < 1) 283 return 0; 284 285 if (ISA_DIRECT_CONFIG(ia)) 286 return 0; 287 288 memset(sc, 0, sizeof *sc); 289 sc->sc_sbdsp.sc_dev.dv_cfdata = match; 290 strcpy(sc->sc_sbdsp.sc_dev.dv_xname, "pas"); 291 return pasfind(parent, sc, aux, PASPROBE); 292} 293 294/* 295 * Probe for the soundblaster hardware. 296 */ 297static int 298pasfind(struct device *parent, struct pas_softc *sc, 299 struct isa_attach_args *ia, int probing) 300{ 301 int iobase; 302 u_char id, t; 303 int rc; 304 305 rc = 0; /* failure */ 306 /* ensure we can set this up as a sound blaster */ 307 if (!SB_BASE_VALID(ia->ia_io[0].ir_addr)) { 308 printf("pas: configured SB iobase 0x%x invalid\n", 309 ia->ia_io[0].ir_addr); 310 return 0; 311 } 312 313 if (bus_space_map(sc->sc_sbdsp.sc_iot, PAS_DEFAULT_BASE, 1, 0, 314 &sc->pas_port_handle)) { 315 printf("pas: can't map base register %x in probe\n", 316 PAS_DEFAULT_BASE); 317 return 0; 318 } 319 320 /* 321 * WARNING: Setting an option like W:1 or so that disables 322 * warm boot reset of the card will screw up this detect code 323 * something fierce. Adding code to handle this means possibly 324 * interfering with other cards on the bus if you have something 325 * on base port 0x388. SO be forewarned. 326 */ 327 /* Talk to first board */ 328 outb(MASTER_DECODE, 0xbc); 329 /* Set base address */ 330 331#if 0 332 /* XXX Need to setup pseudo device */ 333 /* XXX What are good io addrs ? */ 334 if (iobase != PAS_DEFAULT_BASE) { 335 printf("pas: configured iobase %d invalid\n", iobase); 336 return 0; 337 } 338#else 339 /* Start out talking to native PAS */ 340 iobase = PAS_DEFAULT_BASE; 341#endif 342 343 outb(MASTER_DECODE, iobase >> 2); 344 /* One wait-state */ 345 paswrite(1, WAIT_STATE); 346 347 id = pasread(INTERRUPT_MASK); 348 if (id == 0xff || id == 0xfe) { 349 /* sanity */ 350 DPRINTF(("pas: bogus card id\n")); 351 goto unmap1; 352 } 353 /* 354 * We probably have a PAS-series board, now check for a 355 * PAS2-series board by trying to change the board revision 356 * bits. PAS2-series hardware won't let you do this because 357 * the bits are read-only. 358 */ 359 t = id ^ 0xe0; 360 paswrite(t, INTERRUPT_MASK); 361 t = inb(INTERRUPT_MASK); 362 paswrite(id, INTERRUPT_MASK); 363 364 if (t != id) { 365 /* Not a PAS2 */ 366 printf("pas: detected card but PAS2 test failed\n"); 367 goto unmap1; 368 } 369 /*XXX*/ 370 t = pasread(OPERATION_MODE_1) & 0xf; 371 sc->model = O_M_1_to_card[t]; 372 if (sc->model != 0) { 373 sc->rev = pasread(BOARD_REV_ID); 374 } else { 375 DPRINTF(("pas: bogus model id\n")); 376 goto unmap1; 377 } 378 379 if (sc->model >= 0) { 380 if (ia->ia_irq[0].ir_irq == ISA_UNKNOWN_IRQ) { 381 printf("pas: sb emulation requires known irq\n"); 382 goto unmap1; 383 } 384 pasconf(sc->model, ia->ia_io[0].ir_addr, 385 ia->ia_irq[0].ir_irq, 1); 386 } else { 387 DPRINTF(("pas: could not probe pas\n")); 388 goto unmap1; 389 } 390 391 /* Now a SoundBlaster, so set up proper bus-space hooks 392 * appropriately 393 */ 394 395 sc->sc_sbdsp.sc_iobase = ia->ia_io[0].ir_addr; 396 sc->sc_sbdsp.sc_iot = ia->ia_iot; 397 398 /* Map i/o space [we map 24 ports which is the max of the sb and pro */ 399 if (bus_space_map(sc->sc_sbdsp.sc_iot, ia->ia_io[0].ir_addr, 400 SBP_NPORT, 0, &sc->sc_sbdsp.sc_ioh)) { 401 printf("pas: can't map i/o space 0x%x/%d in probe\n", 402 ia->ia_io[0].ir_addr, SBP_NPORT); 403 goto unmap1; 404 } 405 406 if (sbdsp_reset(&sc->sc_sbdsp) < 0) { 407 DPRINTF(("pas: couldn't reset card\n")); 408 goto unmap; 409 } 410 411 /* 412 * Cannot auto-discover DMA channel. 413 */ 414 if (!SB_DRQ_VALID(ia->ia_drq[0].ir_drq)) { 415 printf("pas: configured DMA chan %d invalid\n", 416 ia->ia_drq[0].ir_drq); 417 goto unmap; 418 } 419 if (!SB_IRQ_VALID(ia->ia_irq[0].ir_irq)) { 420 printf("pas: configured irq chan %d invalid\n", 421 ia->ia_drq[0].ir_drq); 422 goto unmap; 423 } 424 425 sc->sc_sbdsp.sc_irq = ia->ia_irq[0].ir_irq; 426 sc->sc_sbdsp.sc_drq8 = ia->ia_drq[0].ir_drq; 427 sc->sc_sbdsp.sc_drq16 = -1; /* XXX */ 428 429 if (sbdsp_probe(&sc->sc_sbdsp) == 0) { 430 DPRINTF(("pas: sbdsp probe failed\n")); 431 goto unmap; 432 } 433 434 rc = 1; 435 436 if (probing) { 437 ia->ia_nio = 1; 438 ia->ia_io[0].ir_size = SBP_NPORT; 439 440 ia->ia_nirq = 1; 441 ia->ia_ndrq = 1; 442 443 ia->ia_niomem = 0; 444 } 445 446 unmap: 447 if (rc == 0 || probing) 448 bus_space_unmap(sc->sc_sbdsp.sc_iot, sc->sc_sbdsp.sc_ioh, 449 SBP_NPORT); 450 unmap1: 451 if (rc == 0 || probing) 452 bus_space_unmap(sc->sc_sbdsp.sc_iot, PAS_DEFAULT_BASE, 1); 453 return rc; 454} 455 456/* 457 * Attach hardware to driver, attach hardware driver to audio 458 * pseudo-device driver . 459 */ 460void 461pasattach(struct device *parent, struct device *self, void *aux) 462{ 463 struct pas_softc *sc; 464 struct isa_attach_args *ia; 465 int iobase; 466 467 sc = (struct pas_softc *)self; 468 ia = (struct isa_attach_args *)aux; 469 iobase = ia->ia_io[0].ir_addr; 470 if (!pasfind(parent, sc, ia, PASATTACH)) { 471 printf("%s: pasfind failed\n", sc->sc_sbdsp.sc_dev.dv_xname); 472 return; 473 } 474 475 sc->sc_sbdsp.sc_ic = ia->ia_ic; 476 sc->sc_sbdsp.sc_iobase = iobase; 477 sc->sc_sbdsp.sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq[0].ir_irq, 478 IST_EDGE, IPL_AUDIO, sbdsp_intr, &sc->sc_sbdsp); 479 480 printf(" ProAudio Spectrum %s [rev %d] ", pasnames[sc->model], 481 sc->rev); 482 483 sbdsp_attach(&sc->sc_sbdsp); 484 485 snprintf(pas_device.name, sizeof(pas_device.name), "pas,%s", 486 pasnames[sc->model]); 487 snprintf(pas_device.version, sizeof(pas_device.version), "%d", 488 sc->rev); 489 490 audio_attach_mi(&pas_hw_if, &sc->sc_sbdsp, &sc->sc_sbdsp.sc_dev); 491} 492 493int 494pas_getdev(void *addr, struct audio_device *retp) 495{ 496 497 *retp = pas_device; 498 return 0; 499} 500