1 /* $NetBSD: pas.c,v 1.68 2010/03/24 01:13:30 dyoung 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 1.68 2010/03/24 01:13:30 dyoung 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_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 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 NULL, 154 }; 155 156 /* The Address Translation code is used to convert I/O register addresses to 157 be relative to the given base -register */ 158 159 static const char *pasnames[] = { 160 "", 161 "Plus", 162 "CDPC", 163 "16", 164 "16Basic" 165 }; 166 167 static struct audio_device pas_device = { 168 "PAS,??", 169 "", 170 "pas" 171 }; 172 173 /*XXX assume default I/O base address */ 174 #define pasread(p) inb((p)) 175 #define paswrite(d, p) outb((p), (d)) 176 177 void 178 pasconf(int model, int sbbase, int sbirq, int sbdrq) 179 { 180 181 paswrite(0x00, INTERRUPT_MASK); 182 /* Local timer control register */ 183 paswrite(0x36, SAMPLE_COUNTER_CONTROL); 184 /* Sample rate timer (16 bit) */ 185 paswrite(0x36, SAMPLE_RATE_TIMER); 186 paswrite(0, SAMPLE_RATE_TIMER); 187 /* Local timer control register */ 188 paswrite(0x74, SAMPLE_COUNTER_CONTROL); 189 /* Sample count register (16 bit) */ 190 paswrite(0x74, SAMPLE_BUFFER_COUNTER); 191 paswrite(0, SAMPLE_BUFFER_COUNTER); 192 193 paswrite(P_C_PCM_MONO | P_C_PCM_DAC_MODE | 194 P_C_MIXER_CROSS_L_TO_L | P_C_MIXER_CROSS_R_TO_R, 195 PCM_CONTROL); 196 paswrite(S_M_PCM_RESET | S_M_FM_RESET | 197 S_M_SB_RESET | S_M_MIXER_RESET, SERIAL_MIXER); 198 199 /*XXX*/ 200 paswrite(I_C_1_BOOT_RESET_ENABLE|1, IO_CONFIGURATION_1); 201 202 paswrite(I_C_2_PCM_DMA_DISABLED, IO_CONFIGURATION_2); 203 paswrite(I_C_3_PCM_IRQ_DISABLED, IO_CONFIGURATION_3); 204 205 #ifdef BROKEN_BUS_CLOCK 206 paswrite(S_C_1_PCS_ENABLE | S_C_1_PCS_STEREO | S_C_1_PCS_REALSOUND | 207 S_C_1_FM_EMULATE_CLOCK, SYSTEM_CONFIGURATION_1); 208 #else 209 paswrite(S_C_1_PCS_ENABLE | S_C_1_PCS_STEREO | S_C_1_PCS_REALSOUND, 210 SYSTEM_CONFIGURATION_1); 211 #endif 212 213 /*XXX*/ 214 paswrite(0, SYSTEM_CONFIGURATION_2); 215 paswrite(0, SYSTEM_CONFIGURATION_3); 216 217 /* Sets mute off and selects filter rate of 17.897 kHz */ 218 paswrite(F_F_MIXER_UNMUTE | 0x01, FILTER_FREQUENCY); 219 220 if (model == PAS_16 || model == PAS_16BASIC) 221 paswrite(8, PRESCALE_DIVIDER); 222 else 223 paswrite(0, PRESCALE_DIVIDER); 224 225 paswrite(P_M_MV508_ADDRESS | P_M_MV508_PCM, PARALLEL_MIXER); 226 paswrite(5, PARALLEL_MIXER); 227 228 /* 229 * Setup SoundBlaster emulation. 230 */ 231 paswrite((sbbase >> 4) & 0xf, EMULATION_ADDRESS); 232 paswrite(E_C_SB_IRQ_translate[sbirq] | E_C_SB_DMA_translate[sbdrq], 233 EMULATION_CONFIGURATION); 234 paswrite(C_E_SB_ENABLE, COMPATIBILITY_ENABLE); 235 236 /* 237 * Set mid-range levels. 238 */ 239 paswrite(P_M_MV508_ADDRESS | P_M_MV508_MODE, PARALLEL_MIXER); 240 paswrite(P_M_MV508_LOUDNESS | P_M_MV508_ENHANCE_NONE, PARALLEL_MIXER); 241 242 paswrite(P_M_MV508_ADDRESS | P_M_MV508_MASTER_A, PARALLEL_MIXER); 243 paswrite(50, PARALLEL_MIXER); 244 paswrite(P_M_MV508_ADDRESS | P_M_MV508_MASTER_B, PARALLEL_MIXER); 245 paswrite(50, PARALLEL_MIXER); 246 247 paswrite(P_M_MV508_ADDRESS | P_M_MV508_MIXER | P_M_MV508_SB, 248 PARALLEL_MIXER); 249 paswrite(P_M_MV508_OUTPUTMIX | 30, PARALLEL_MIXER); 250 251 paswrite(P_M_MV508_ADDRESS | P_M_MV508_MIXER | P_M_MV508_MIC, 252 PARALLEL_MIXER); 253 paswrite(P_M_MV508_INPUTMIX | 30, PARALLEL_MIXER); 254 } 255 256 int pasprobe(device_t, cfdata_t, void *); 257 void pasattach(device_t, device_t, void *); 258 static int pasfind(cfdata_t, 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_NEW(pas, sizeof(struct pas_softc), 265 pasprobe, pasattach, NULL, NULL); 266 267 /* 268 * Probe / attach routines. 269 */ 270 271 int 272 pasprobe(device_t parent, cfdata_t match, void *aux) 273 { 274 struct isa_attach_args *ia; 275 struct pas_softc probesc, *sc; 276 277 ia = aux; 278 sc = &probesc; 279 if (ia->ia_nio < 1) 280 return 0; 281 if (ia->ia_nirq < 1) 282 return 0; 283 if (ia->ia_ndrq < 1) 284 return 0; 285 286 if (ISA_DIRECT_CONFIG(ia)) 287 return 0; 288 289 memset(sc, 0, sizeof *sc); 290 return pasfind(match, sc, ia, PASPROBE); 291 } 292 293 /* 294 * Probe for the soundblaster hardware. 295 */ 296 static int 297 pasfind(cfdata_t match, struct pas_softc *sc, 298 struct isa_attach_args *ia, int probing) 299 { 300 int iobase; 301 u_char id, t; 302 int rc; 303 304 rc = 0; /* failure */ 305 /* ensure we can set this up as a sound blaster */ 306 if (!SB_BASE_VALID(ia->ia_io[0].ir_addr)) { 307 printf("pas: configured SB iobase 0x%x invalid\n", 308 ia->ia_io[0].ir_addr); 309 return 0; 310 } 311 312 if (bus_space_map(ia->ia_iot, PAS_DEFAULT_BASE, 1, 0, 313 &sc->pas_port_handle)) { 314 printf("pas: can't map base register %x in probe\n", 315 PAS_DEFAULT_BASE); 316 return 0; 317 } 318 319 /* 320 * WARNING: Setting an option like W:1 or so that disables 321 * warm boot reset of the card will screw up this detect code 322 * something fierce. Adding code to handle this means possibly 323 * interfering with other cards on the bus if you have something 324 * on base port 0x388. SO be forewarned. 325 */ 326 /* Talk to first board */ 327 outb(MASTER_DECODE, 0xbc); 328 /* Set base address */ 329 330 #if 0 331 /* XXX Need to setup pseudo device */ 332 /* XXX What are good io addrs ? */ 333 if (iobase != PAS_DEFAULT_BASE) { 334 printf("pas: configured iobase %d invalid\n", iobase); 335 return 0; 336 } 337 #else 338 /* Start out talking to native PAS */ 339 iobase = PAS_DEFAULT_BASE; 340 #endif 341 342 outb(MASTER_DECODE, iobase >> 2); 343 /* One wait-state */ 344 paswrite(1, WAIT_STATE); 345 346 id = pasread(INTERRUPT_MASK); 347 if (id == 0xff || id == 0xfe) { 348 /* sanity */ 349 DPRINTF(("pas: bogus card id\n")); 350 goto unmap1; 351 } 352 /* 353 * We probably have a PAS-series board, now check for a 354 * PAS2-series board by trying to change the board revision 355 * bits. PAS2-series hardware won't let you do this because 356 * the bits are read-only. 357 */ 358 t = id ^ 0xe0; 359 paswrite(t, INTERRUPT_MASK); 360 t = inb(INTERRUPT_MASK); 361 paswrite(id, INTERRUPT_MASK); 362 363 if (t != id) { 364 /* Not a PAS2 */ 365 printf("pas: detected card but PAS2 test failed\n"); 366 goto unmap1; 367 } 368 /*XXX*/ 369 t = pasread(OPERATION_MODE_1) & 0xf; 370 sc->model = O_M_1_to_card[t]; 371 if (sc->model != 0) { 372 sc->rev = pasread(BOARD_REV_ID); 373 } else { 374 DPRINTF(("pas: bogus model id\n")); 375 goto unmap1; 376 } 377 378 if (sc->model >= 0) { 379 if (ia->ia_irq[0].ir_irq == ISA_UNKNOWN_IRQ) { 380 printf("pas: sb emulation requires known irq\n"); 381 goto unmap1; 382 } 383 pasconf(sc->model, ia->ia_io[0].ir_addr, 384 ia->ia_irq[0].ir_irq, 1); 385 } else { 386 DPRINTF(("pas: could not probe pas\n")); 387 goto unmap1; 388 } 389 390 /* Now a SoundBlaster, so set up proper bus-space hooks 391 * appropriately 392 */ 393 394 sc->sc_sbdsp.sc_iobase = ia->ia_io[0].ir_addr; 395 sc->sc_sbdsp.sc_iot = ia->ia_iot; 396 397 /* Map i/o space [we map 24 ports which is the max of the sb and pro */ 398 if (bus_space_map(ia->ia_iot, ia->ia_io[0].ir_addr, 399 SBP_NPORT, 0, &sc->sc_sbdsp.sc_ioh)) { 400 printf("pas: can't map i/o space 0x%x/%d in probe\n", 401 ia->ia_io[0].ir_addr, SBP_NPORT); 402 goto unmap1; 403 } 404 405 if (sbdsp_reset(&sc->sc_sbdsp) < 0) { 406 DPRINTF(("pas: couldn't reset card\n")); 407 goto unmap; 408 } 409 410 /* 411 * Cannot auto-discover DMA channel. 412 */ 413 if (!SB_DRQ_VALID(ia->ia_drq[0].ir_drq)) { 414 printf("pas: configured DMA chan %d invalid\n", 415 ia->ia_drq[0].ir_drq); 416 goto unmap; 417 } 418 if (!SB_IRQ_VALID(ia->ia_irq[0].ir_irq)) { 419 printf("pas: configured irq chan %d invalid\n", 420 ia->ia_drq[0].ir_drq); 421 goto unmap; 422 } 423 424 sc->sc_sbdsp.sc_irq = ia->ia_irq[0].ir_irq; 425 sc->sc_sbdsp.sc_drq8 = ia->ia_drq[0].ir_drq; 426 sc->sc_sbdsp.sc_drq16 = -1; /* XXX */ 427 428 if (sbdsp_probe(&sc->sc_sbdsp, match) == 0) { 429 DPRINTF(("pas: sbdsp probe failed\n")); 430 goto unmap; 431 } 432 433 rc = 1; 434 435 if (probing) { 436 ia->ia_nio = 1; 437 ia->ia_io[0].ir_size = SBP_NPORT; 438 439 ia->ia_nirq = 1; 440 ia->ia_ndrq = 1; 441 442 ia->ia_niomem = 0; 443 } 444 445 unmap: 446 if (rc == 0 || probing) 447 bus_space_unmap(ia->ia_iot, sc->sc_sbdsp.sc_ioh, 448 SBP_NPORT); 449 unmap1: 450 if (rc == 0 || probing) 451 bus_space_unmap(ia->ia_iot, PAS_DEFAULT_BASE, 1); 452 return rc; 453 } 454 455 /* 456 * Attach hardware to driver, attach hardware driver to audio 457 * pseudo-device driver . 458 */ 459 void 460 pasattach(device_t parent, device_t self, void *aux) 461 { 462 struct pas_softc *sc; 463 struct isa_attach_args *ia; 464 int iobase; 465 466 sc = device_private(self); 467 sc->sc_sbdsp.sc_dev = self; 468 ia = (struct isa_attach_args *)aux; 469 iobase = ia->ia_io[0].ir_addr; 470 if (!pasfind(device_cfdata(self), sc, ia, PASATTACH)) { 471 aprint_error_dev(self, "pasfind failed\n"); 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 aprint_normal(" 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 } 492 493 int 494 pas_getdev(void *addr, struct audio_device *retp) 495 { 496 497 *retp = pas_device; 498 return 0; 499 } 500