esa.c revision 1.65
1 /* $NetBSD: esa.c,v 1.65 2019/06/08 08:02:38 isaki Exp $ */ 2 3 /* 4 * Copyright (c) 2001-2008 Jared D. McNeill <jmcneill (at) invisible.ca> 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. The name of the author may not be used to endorse or promote products 13 * derived from this software without specific prior written permission. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 20 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 21 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 22 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 /* 29 * ESS Allegro-1 / Maestro3 Audio Driver 30 * 31 * Based on the FreeBSD maestro3 driver and the NetBSD eap driver. 32 * Original driver by Don Kim. 33 * 34 * The list management code could possibly be written better, but what 35 * we have right now does the job nicely. Thanks to Zach Brown <zab (at) zabbo.net> 36 * and Andrew MacDonald <amac (at) epsilon.yi.org> for helping me debug the 37 * problems with the original list management code present in the Linux 38 * driver. 39 */ 40 41 #include <sys/cdefs.h> 42 __KERNEL_RCSID(0, "$NetBSD: esa.c,v 1.65 2019/06/08 08:02:38 isaki Exp $"); 43 44 #include <sys/types.h> 45 #include <sys/errno.h> 46 #include <sys/null.h> 47 #include <sys/param.h> 48 #include <sys/systm.h> 49 #include <sys/kmem.h> 50 #include <sys/device.h> 51 #include <sys/conf.h> 52 #include <sys/exec.h> 53 #include <sys/select.h> 54 #include <sys/audioio.h> 55 #include <sys/bus.h> 56 #include <sys/intr.h> 57 58 #include <dev/audio/audio_if.h> 59 60 #include <dev/ic/ac97var.h> 61 #include <dev/ic/ac97reg.h> 62 63 #include <dev/pci/pcidevs.h> 64 #include <dev/pci/pcivar.h> 65 #include <dev/pci/esareg.h> 66 #include <dev/pci/esadsp.h> 67 #include <dev/pci/esavar.h> 68 69 #define PCI_CBIO 0x10 70 71 #define ESA_DAC_DATA 0x1100 72 73 enum { 74 ESS_ALLEGRO1, 75 ESS_MAESTRO3 76 }; 77 78 static const struct esa_card_type { 79 uint16_t pci_vendor_id; 80 uint16_t pci_product_id; 81 int type; 82 int delay1, delay2; 83 } esa_card_types[] = { 84 { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_ALLEGRO1, 85 ESS_ALLEGRO1, 50, 800 }, 86 { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_MAESTRO3, 87 ESS_MAESTRO3, 20, 500 }, 88 { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_MAESTRO3_2, 89 ESS_MAESTRO3, 20, 500 }, 90 { 0, 0, 0, 0, 0 } 91 }; 92 93 static struct audio_device esa_device = { 94 "ESS Allegro", 95 "", 96 "esa" 97 }; 98 99 static int esa_match(device_t, cfdata_t, void *); 100 static void esa_attach(device_t, device_t, void *); 101 static int esa_detach(device_t, int); 102 static void esa_childdet(device_t, device_t); 103 104 /* audio(9) functions */ 105 static int esa_query_format(void *, audio_format_query_t *); 106 static int esa_set_format(void *, int, 107 const audio_params_t *, 108 const audio_params_t *, 109 audio_filter_reg_t *, 110 audio_filter_reg_t *); 111 static int esa_round_blocksize(void *, int, int, 112 const audio_params_t *); 113 static int esa_commit_settings(void *); 114 static int esa_halt_output(void *); 115 static int esa_halt_input(void *); 116 static int esa_set_port(void *, mixer_ctrl_t *); 117 static int esa_get_port(void *, mixer_ctrl_t *); 118 static int esa_query_devinfo(void *, mixer_devinfo_t *); 119 static void * esa_malloc(void *, int, size_t); 120 static void esa_free(void *, void *, size_t); 121 static int esa_getdev(void *, struct audio_device *); 122 static int esa_get_props(void *); 123 static int esa_trigger_output(void *, void *, void *, int, 124 void (*)(void *), void *, 125 const audio_params_t *); 126 static int esa_trigger_input(void *, void *, void *, int, 127 void (*)(void *), void *, 128 const audio_params_t *); 129 static void esa_get_locks(void *, kmutex_t **, kmutex_t **); 130 131 static int esa_intr(void *); 132 static int esa_allocmem(struct esa_softc *, size_t, size_t, 133 struct esa_dma *); 134 static int esa_freemem(struct esa_softc *, struct esa_dma *); 135 136 /* Supporting subroutines */ 137 static uint16_t esa_read_assp(struct esa_softc *, uint16_t, uint16_t); 138 static void esa_write_assp(struct esa_softc *, uint16_t, uint16_t, 139 uint16_t); 140 static int esa_init_codec(struct esa_softc *); 141 static int esa_attach_codec(void *, struct ac97_codec_if *); 142 static int esa_read_codec(void *, uint8_t, uint16_t *); 143 static int esa_write_codec(void *, uint8_t, uint16_t); 144 static int esa_reset_codec(void *); 145 static enum ac97_host_flags esa_flags_codec(void *); 146 static int esa_wait(struct esa_softc *); 147 static int esa_init(struct esa_softc *); 148 static void esa_config(struct esa_softc *); 149 static uint8_t esa_assp_halt(struct esa_softc *); 150 static void esa_codec_reset(struct esa_softc *); 151 static int esa_amp_enable(struct esa_softc *); 152 static void esa_enable_interrupts(struct esa_softc *); 153 static uint32_t esa_get_pointer(struct esa_softc *, 154 struct esa_channel *); 155 156 /* list management */ 157 static int esa_add_list(struct esa_voice *, struct esa_list *, 158 uint16_t, int); 159 static void esa_remove_list(struct esa_voice *, struct esa_list *, 160 int); 161 162 /* power management */ 163 static bool esa_suspend(device_t, const pmf_qual_t *); 164 static bool esa_resume(device_t, const pmf_qual_t *); 165 166 167 static const struct audio_format esa_formats[] = { 168 { 169 .mode = AUMODE_PLAY | AUMODE_RECORD, 170 .encoding = AUDIO_ENCODING_SLINEAR_LE, 171 .validbits = 16, 172 .precision = 16, 173 .channels = 2, 174 .channel_mask = AUFMT_STEREO, 175 .frequency_type = 0, 176 .frequency = { ESA_MINRATE, ESA_MAXRATE }, 177 }, 178 }; 179 #define ESA_NFORMATS __arraycount(esa_formats) 180 181 static const struct audio_hw_if esa_hw_if = { 182 .query_format = esa_query_format, 183 .set_format = esa_set_format, 184 .round_blocksize = esa_round_blocksize, 185 .commit_settings = esa_commit_settings, 186 .halt_output = esa_halt_output, 187 .halt_input = esa_halt_input, 188 .getdev = esa_getdev, 189 .set_port = esa_set_port, 190 .get_port = esa_get_port, 191 .query_devinfo = esa_query_devinfo, 192 .allocm = esa_malloc, 193 .freem = esa_free, 194 .get_props = esa_get_props, 195 .trigger_output = esa_trigger_output, 196 .trigger_input = esa_trigger_input, 197 .get_locks = esa_get_locks, 198 }; 199 200 CFATTACH_DECL2_NEW(esa, sizeof(struct esa_softc), esa_match, esa_attach, 201 esa_detach, NULL, NULL, esa_childdet); 202 203 /* 204 * audio(9) functions 205 */ 206 207 static int 208 esa_query_format(void *hdl, audio_format_query_t *afp) 209 { 210 211 return audio_query_format(esa_formats, ESA_NFORMATS, afp); 212 } 213 214 static int 215 esa_set_format(void *hdl, int setmode, 216 const audio_params_t *play, const audio_params_t *rec, 217 audio_filter_reg_t *pfil, audio_filter_reg_t *rfil) 218 { 219 struct esa_voice *vc; 220 221 vc = hdl; 222 if ((setmode & AUMODE_PLAY)) 223 vc->play.mode = *play; 224 if ((setmode & AUMODE_RECORD)) 225 vc->rec.mode = *rec; 226 227 return 0; 228 } 229 230 static int 231 esa_commit_settings(void *hdl) 232 { 233 struct esa_voice *vc; 234 struct esa_softc *sc; 235 const audio_params_t *p; 236 const audio_params_t *r; 237 uint32_t data; 238 uint32_t freq; 239 int data_bytes; 240 241 vc = hdl; 242 sc = device_private(vc->parent); 243 p = &vc->play.mode; 244 r = &vc->rec.mode; 245 data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 246 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 247 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 248 &~ 255; 249 /* playback */ 250 vc->play.data_offset = ESA_DAC_DATA + (data_bytes * vc->index); 251 if (p->channels == 1) 252 data = 1; 253 else 254 data = 0; 255 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 256 vc->play.data_offset + ESA_SRC3_MODE_OFFSET, 257 data); 258 if (p->precision == 8) 259 data = 1; 260 else 261 data = 0; 262 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 263 vc->play.data_offset + ESA_SRC3_WORD_LENGTH_OFFSET, 264 data); 265 if ((freq = ((p->sample_rate << 15) + 24000) / 48000) != 0) { 266 freq--; 267 } 268 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 269 vc->play.data_offset + ESA_CDATA_FREQUENCY, freq); 270 271 /* recording */ 272 vc->rec.data_offset = ESA_DAC_DATA + (data_bytes * vc->index) + 273 (data_bytes / 2); 274 if (r->channels == 1) 275 data = 1; 276 else 277 data = 0; 278 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 279 vc->rec.data_offset + ESA_SRC3_MODE_OFFSET, 280 data); 281 if (r->precision == 8) 282 data = 1; 283 else 284 data = 0; 285 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 286 vc->rec.data_offset + ESA_SRC3_WORD_LENGTH_OFFSET, 287 data); 288 if ((freq = ((r->sample_rate << 15) + 24000) / 48000) != 0) { 289 freq--; 290 } 291 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 292 vc->rec.data_offset + ESA_CDATA_FREQUENCY, freq); 293 294 return 0; 295 }; 296 297 static int 298 esa_round_blocksize(void *hdl, int bs, int mode, 299 const audio_params_t *param) 300 { 301 302 return bs & -0x20; /* Be conservative; align to 32 bytes */ 303 } 304 305 static int 306 esa_halt_output(void *hdl) 307 { 308 struct esa_voice *vc; 309 struct esa_softc *sc; 310 bus_space_tag_t iot; 311 bus_space_handle_t ioh; 312 uint16_t data; 313 314 vc = hdl; 315 sc = device_private(vc->parent); 316 iot = sc->sc_iot; 317 ioh = sc->sc_ioh; 318 if (vc->play.active == 0) 319 return 0; 320 321 vc->play.active = 0; 322 323 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 324 ESA_CDATA_INSTANCE_READY + vc->play.data_offset, 0); 325 326 sc->sc_ntimers--; 327 if (sc->sc_ntimers == 0) { 328 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 329 ESA_KDATA_TIMER_COUNT_RELOAD, 0); 330 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 331 ESA_KDATA_TIMER_COUNT_CURRENT, 0); 332 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 333 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 334 data & ~ESA_CLKRUN_GEN_ENABLE); 335 } 336 337 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 338 ESA_KDATA_MIXER_TASK_NUMBER, 339 sc->mixer_list.indexmap[vc->index]); 340 /* remove ourselves from the packed lists */ 341 esa_remove_list(vc, &sc->mixer_list, vc->index); 342 esa_remove_list(vc, &sc->dma_list, vc->index); 343 esa_remove_list(vc, &sc->msrc_list, vc->index); 344 345 return 0; 346 } 347 348 static int 349 esa_halt_input(void *hdl) 350 { 351 struct esa_voice *vc; 352 struct esa_softc *sc; 353 bus_space_tag_t iot; 354 bus_space_handle_t ioh; 355 uint32_t data; 356 357 vc = hdl; 358 sc = device_private(vc->parent); 359 iot = sc->sc_iot; 360 ioh = sc->sc_ioh; 361 if (vc->rec.active == 0) 362 return 0; 363 364 vc->rec.active = 0; 365 366 sc->sc_ntimers--; 367 if (sc->sc_ntimers == 0) { 368 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 369 ESA_KDATA_TIMER_COUNT_RELOAD, 0); 370 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 371 ESA_KDATA_TIMER_COUNT_CURRENT, 0); 372 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 373 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 374 data & ~ESA_CLKRUN_GEN_ENABLE); 375 } 376 377 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, vc->rec.data_offset + 378 ESA_CDATA_INSTANCE_READY, 0); 379 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_ADC1_REQUEST, 380 0); 381 382 /* remove ourselves from the packed lists */ 383 esa_remove_list(vc, &sc->adc1_list, vc->index + ESA_NUM_VOICES); 384 esa_remove_list(vc, &sc->dma_list, vc->index + ESA_NUM_VOICES); 385 esa_remove_list(vc, &sc->msrc_list, vc->index + ESA_NUM_VOICES); 386 387 return 0; 388 } 389 390 static void * 391 esa_malloc(void *hdl, int direction, size_t size) 392 { 393 struct esa_voice *vc; 394 struct esa_softc *sc; 395 struct esa_dma *p; 396 int error; 397 398 p = kmem_alloc(sizeof(*p), KM_SLEEP); 399 vc = hdl; 400 sc = device_private(vc->parent); 401 error = esa_allocmem(sc, size, 16, p); 402 if (error) { 403 kmem_free(p, sizeof(*p)); 404 aprint_error_dev(sc->sc_dev, 405 "%s: not enough memory\n", __func__); 406 return 0; 407 } 408 p->next = vc->dma; 409 vc->dma = p; 410 411 return KERNADDR(p); 412 } 413 414 static void 415 esa_free(void *hdl, void *addr, size_t size) 416 { 417 struct esa_voice *vc; 418 struct esa_softc *sc; 419 struct esa_dma *p; 420 struct esa_dma **pp; 421 422 vc = hdl; 423 sc = device_private(vc->parent); 424 for (pp = &vc->dma; (p = *pp) != NULL; pp = &p->next) 425 if (KERNADDR(p) == addr) { 426 esa_freemem(sc, p); 427 *pp = p->next; 428 kmem_free(p, sizeof(*p)); 429 return; 430 } 431 } 432 433 static int 434 esa_getdev(void *hdl, struct audio_device *ret) 435 { 436 437 *ret = esa_device; 438 return 0; 439 } 440 441 static int 442 esa_set_port(void *hdl, mixer_ctrl_t *mc) 443 { 444 struct esa_voice *vc; 445 struct esa_softc *sc; 446 447 vc = hdl; 448 sc = device_private(vc->parent); 449 return sc->codec_if->vtbl->mixer_set_port(sc->codec_if, mc); 450 } 451 452 static int 453 esa_get_port(void *hdl, mixer_ctrl_t *mc) 454 { 455 struct esa_voice *vc; 456 struct esa_softc *sc; 457 458 vc = hdl; 459 sc = device_private(vc->parent); 460 return sc->codec_if->vtbl->mixer_get_port(sc->codec_if, mc); 461 } 462 463 static int 464 esa_query_devinfo(void *hdl, mixer_devinfo_t *di) 465 { 466 struct esa_voice *vc; 467 struct esa_softc *sc; 468 469 vc = hdl; 470 sc = device_private(vc->parent); 471 return sc->codec_if->vtbl->query_devinfo(sc->codec_if, di); 472 } 473 474 static int 475 esa_get_props(void *hdl) 476 { 477 478 return AUDIO_PROP_PLAYBACK | AUDIO_PROP_CAPTURE | 479 AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX; 480 } 481 482 static int 483 esa_trigger_output(void *hdl, void *start, void *end, int blksize, 484 void (*intr)(void *), void *intrarg, const audio_params_t *param) 485 { 486 struct esa_voice *vc; 487 struct esa_softc *sc; 488 struct esa_dma *p; 489 bus_space_tag_t iot; 490 bus_space_handle_t ioh; 491 size_t size; 492 uint32_t data, bufaddr, i; 493 int data_bytes, dac_data, dsp_in_size; 494 int dsp_out_size, dsp_in_buf, dsp_out_buf; 495 496 vc = hdl; 497 sc = device_private(vc->parent); 498 iot = sc->sc_iot; 499 ioh = sc->sc_ioh; 500 data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 501 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 502 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) & ~255; 503 dac_data = ESA_DAC_DATA + (data_bytes * vc->index); 504 dsp_in_size = ESA_MINISRC_IN_BUFFER_SIZE - (0x20 * 2); 505 dsp_out_size = ESA_MINISRC_OUT_BUFFER_SIZE - (0x20 * 2); 506 dsp_in_buf = dac_data + (ESA_MINISRC_TMP_BUFFER_SIZE / 2); 507 dsp_out_buf = dsp_in_buf + (dsp_in_size / 2) + 1; 508 509 if (vc->play.active) 510 return EINVAL; 511 512 for (p = vc->dma; p && KERNADDR(p) != start; p = p->next) 513 continue; 514 if (p == NULL) { 515 aprint_error_dev(sc->sc_dev, "%s: bad addr %p\n", __func__, 516 start); 517 return EINVAL; 518 } 519 520 vc->play.active = 1; 521 vc->play.intr = intr; 522 vc->play.arg = intrarg; 523 vc->play.pos = 0; 524 vc->play.count = 0; 525 vc->play.buf = start; 526 vc->play.bufsize = size = (size_t)(((char *)end - (char *)start)); 527 vc->play.blksize = blksize; 528 bufaddr = DMAADDR(p); 529 vc->play.start = bufaddr; 530 531 #define LO(x) ((x) & 0x0000ffff) 532 #define HI(x) ((x) >> 16) 533 534 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 535 ESA_CDATA_HOST_SRC_ADDRL, LO(bufaddr)); 536 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 537 ESA_CDATA_HOST_SRC_ADDRH, HI(bufaddr)); 538 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 539 ESA_CDATA_HOST_SRC_END_PLUS_1L, LO(bufaddr + size)); 540 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 541 ESA_CDATA_HOST_SRC_END_PLUS_1H, HI(bufaddr + size)); 542 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 543 ESA_CDATA_HOST_SRC_CURRENTL, LO(bufaddr)); 544 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 545 ESA_CDATA_HOST_SRC_CURRENTH, HI(bufaddr)); 546 547 /* DSP buffers */ 548 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 549 ESA_CDATA_IN_BUF_BEGIN, dsp_in_buf); 550 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 551 ESA_CDATA_IN_BUF_END_PLUS_1, dsp_in_buf + (dsp_in_size / 2)); 552 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 553 ESA_CDATA_IN_BUF_HEAD, dsp_in_buf); 554 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 555 ESA_CDATA_IN_BUF_TAIL, dsp_in_buf); 556 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 557 ESA_CDATA_OUT_BUF_BEGIN, dsp_out_buf); 558 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 559 ESA_CDATA_OUT_BUF_END_PLUS_1, dsp_out_buf + (dsp_out_size / 2)); 560 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 561 ESA_CDATA_OUT_BUF_HEAD, dsp_out_buf); 562 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 563 ESA_CDATA_OUT_BUF_TAIL, dsp_out_buf); 564 565 /* Some per-client initializers */ 566 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 567 ESA_SRC3_DIRECTION_OFFSET + 12, dac_data + 40 + 8); 568 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 569 ESA_SRC3_DIRECTION_OFFSET + 19, 0x400 + ESA_MINISRC_COEF_LOC); 570 /* Enable or disable low-pass filter? (0xff if rate > 45000) */ 571 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 572 ESA_SRC3_DIRECTION_OFFSET + 22, 573 vc->play.mode.sample_rate > 45000 ? 0xff : 0); 574 /* Tell it which way DMA is going */ 575 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 576 ESA_CDATA_DMA_CONTROL, 577 ESA_DMACONTROL_AUTOREPEAT + ESA_DMAC_PAGE3_SELECTOR + 578 ESA_DMAC_BLOCKF_SELECTOR); 579 580 /* Set an armload of static initializers */ 581 for (i = 0; i < __arraycount(esa_playvals); i++) 582 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 583 esa_playvals[i].addr, esa_playvals[i].val); 584 585 /* Put us in the packed task lists */ 586 esa_add_list(vc, &sc->msrc_list, dac_data >> ESA_DP_SHIFT_COUNT, 587 vc->index); 588 esa_add_list(vc, &sc->dma_list, dac_data >> ESA_DP_SHIFT_COUNT, 589 vc->index); 590 esa_add_list(vc, &sc->mixer_list, dac_data >> ESA_DP_SHIFT_COUNT, 591 vc->index); 592 #undef LO 593 #undef HI 594 595 sc->sc_ntimers++; 596 597 if (sc->sc_ntimers == 1) { 598 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 599 ESA_KDATA_TIMER_COUNT_RELOAD, 240); 600 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 601 ESA_KDATA_TIMER_COUNT_CURRENT, 240); 602 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 603 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 604 data | ESA_CLKRUN_GEN_ENABLE); 605 } 606 607 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 608 ESA_CDATA_INSTANCE_READY, 1); 609 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 610 ESA_KDATA_MIXER_TASK_NUMBER, 611 sc->mixer_list.indexmap[vc->index]); 612 613 return 0; 614 } 615 616 static int 617 esa_trigger_input(void *hdl, void *start, void *end, int blksize, 618 void (*intr)(void *), void *intrarg, const audio_params_t *param) 619 { 620 struct esa_voice *vc; 621 struct esa_softc *sc; 622 struct esa_dma *p; 623 bus_space_tag_t iot; 624 bus_space_handle_t ioh; 625 uint32_t data, bufaddr, i; 626 size_t size; 627 int data_bytes, adc_data, dsp_in_size; 628 int dsp_out_size, dsp_in_buf, dsp_out_buf; 629 630 vc = hdl; 631 sc = device_private(vc->parent); 632 iot = sc->sc_iot; 633 ioh = sc->sc_ioh; 634 data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 635 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 636 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) & ~255; 637 adc_data = ESA_DAC_DATA + (data_bytes * vc->index) + (data_bytes / 2); 638 dsp_in_size = ESA_MINISRC_IN_BUFFER_SIZE - (0x10 * 2); 639 dsp_out_size = ESA_MINISRC_OUT_BUFFER_SIZE - (0x10 * 2); 640 dsp_in_buf = adc_data + (ESA_MINISRC_TMP_BUFFER_SIZE / 2); 641 dsp_out_buf = dsp_in_buf + (dsp_in_size / 2) + 1; 642 643 vc->rec.data_offset = adc_data; 644 645 /* We only support 1 recording channel */ 646 if (vc->index > 0) 647 return ENODEV; 648 649 if (vc->rec.active) 650 return EINVAL; 651 652 for (p = vc->dma; p && KERNADDR(p) != start; p = p->next) 653 continue; 654 if (p == NULL) { 655 aprint_error_dev(sc->sc_dev, "%s: bad addr %p\n", 656 __func__, start); 657 return EINVAL; 658 } 659 660 vc->rec.active = 1; 661 vc->rec.intr = intr; 662 vc->rec.arg = intrarg; 663 vc->rec.pos = 0; 664 vc->rec.count = 0; 665 vc->rec.buf = start; 666 vc->rec.bufsize = size = (size_t)(((char *)end - (char *)start)); 667 vc->rec.blksize = blksize; 668 bufaddr = DMAADDR(p); 669 vc->rec.start = bufaddr; 670 671 #define LO(x) ((x) & 0x0000ffff) 672 #define HI(x) ((x) >> 16) 673 674 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 675 ESA_CDATA_HOST_SRC_ADDRL, LO(bufaddr)); 676 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 677 ESA_CDATA_HOST_SRC_ADDRH, HI(bufaddr)); 678 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 679 ESA_CDATA_HOST_SRC_END_PLUS_1L, LO(bufaddr + size)); 680 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 681 ESA_CDATA_HOST_SRC_END_PLUS_1H, HI(bufaddr + size)); 682 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 683 ESA_CDATA_HOST_SRC_CURRENTL, LO(bufaddr)); 684 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 685 ESA_CDATA_HOST_SRC_CURRENTH, HI(bufaddr)); 686 687 /* DSP buffers */ 688 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 689 ESA_CDATA_IN_BUF_BEGIN, dsp_in_buf); 690 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 691 ESA_CDATA_IN_BUF_END_PLUS_1, dsp_in_buf + (dsp_in_size / 2)); 692 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 693 ESA_CDATA_IN_BUF_HEAD, dsp_in_buf); 694 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 695 ESA_CDATA_IN_BUF_TAIL, dsp_in_buf); 696 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 697 ESA_CDATA_OUT_BUF_BEGIN, dsp_out_buf); 698 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 699 ESA_CDATA_OUT_BUF_END_PLUS_1, dsp_out_buf + (dsp_out_size / 2)); 700 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 701 ESA_CDATA_OUT_BUF_HEAD, dsp_out_buf); 702 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 703 ESA_CDATA_OUT_BUF_TAIL, dsp_out_buf); 704 705 /* Some per-client initializers */ 706 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 707 ESA_SRC3_DIRECTION_OFFSET + 12, adc_data + 40 + 8); 708 /* Tell it which way DMA is going */ 709 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 710 ESA_CDATA_DMA_CONTROL, 711 ESA_DMACONTROL_DIRECTION + ESA_DMACONTROL_AUTOREPEAT + 712 ESA_DMAC_PAGE3_SELECTOR + ESA_DMAC_BLOCKF_SELECTOR); 713 714 /* Set an armload of static initializers */ 715 for (i = 0; i < __arraycount(esa_recvals); i++) 716 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 717 esa_recvals[i].addr, esa_recvals[i].val); 718 719 /* Put us in the packed task lists */ 720 esa_add_list(vc, &sc->adc1_list, adc_data >> ESA_DP_SHIFT_COUNT, 721 vc->index + ESA_NUM_VOICES); 722 esa_add_list(vc, &sc->msrc_list, adc_data >> ESA_DP_SHIFT_COUNT, 723 vc->index + ESA_NUM_VOICES); 724 esa_add_list(vc, &sc->dma_list, adc_data >> ESA_DP_SHIFT_COUNT, 725 vc->index + ESA_NUM_VOICES); 726 #undef LO 727 #undef HI 728 729 sc->sc_ntimers++; 730 if (sc->sc_ntimers == 1) { 731 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 732 ESA_KDATA_TIMER_COUNT_RELOAD, 240); 733 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 734 ESA_KDATA_TIMER_COUNT_CURRENT, 240); 735 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 736 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 737 data | ESA_CLKRUN_GEN_ENABLE); 738 } 739 740 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 741 ESA_CDATA_INSTANCE_READY, 1); 742 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_ADC1_REQUEST, 743 1); 744 745 return 0; 746 } 747 748 /* Interrupt handler */ 749 static int 750 esa_intr(void *hdl) 751 { 752 struct esa_softc *sc; 753 struct esa_voice *vc; 754 bus_space_tag_t iot; 755 bus_space_handle_t ioh; 756 uint8_t status; 757 uint32_t pos; 758 uint32_t diff; 759 uint32_t blksize; 760 int i; 761 762 sc = hdl; 763 mutex_spin_enter(&sc->sc_intr_lock); 764 765 iot = sc->sc_iot; 766 ioh = sc->sc_ioh; 767 768 status = bus_space_read_1(iot, ioh, ESA_HOST_INT_STATUS); 769 if (status == 0xff) { 770 mutex_spin_exit(&sc->sc_intr_lock); 771 return 0; 772 } 773 774 /* ack the interrupt */ 775 bus_space_write_1(iot, ioh, ESA_HOST_INT_STATUS, status); 776 777 if (status & ESA_HV_INT_PENDING) { 778 uint8_t event; 779 780 aprint_normal_dev(sc->sc_dev, "hardware volume interrupt\n"); 781 event = bus_space_read_1(iot, ioh, ESA_HW_VOL_COUNTER_MASTER); 782 switch(event) { 783 case 0xaa: /* volume up */ 784 pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_UP); 785 break; 786 case 0x66: /* volume down */ 787 pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_DOWN); 788 break; 789 case 0x88: /* mute */ 790 pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_TOGGLE); 791 break; 792 default: 793 aprint_normal_dev(sc->sc_dev, 794 "unknown hwvol event 0x%02x\n", event); 795 break; 796 } 797 bus_space_write_1(iot, ioh, ESA_HW_VOL_COUNTER_MASTER, 0x88); 798 } 799 800 if ((status & ESA_ASSP_INT_PENDING) == 0 || 801 (bus_space_read_1(iot, ioh, 802 ESA_ASSP_CONTROL_B) & ESA_STOP_ASSP_CLOCK) != 0 || 803 (bus_space_read_1(iot, ioh, 804 ESA_ASSP_HOST_INT_STATUS) & ESA_DSP2HOST_REQ_TIMER) == 0) { 805 mutex_spin_exit(&sc->sc_intr_lock); 806 return 1; 807 } 808 809 bus_space_write_1(iot, ioh, ESA_ASSP_HOST_INT_STATUS, 810 ESA_DSP2HOST_REQ_TIMER); 811 812 for (i = 0; i < ESA_NUM_VOICES; i++) { 813 vc = &sc->voice[i]; 814 815 if (vc->play.active) { 816 pos = esa_get_pointer(sc, &vc->play) % vc->play.bufsize; 817 diff = (vc->play.bufsize + pos - vc->play.pos) % 818 vc->play.bufsize; 819 820 vc->play.pos = pos; 821 vc->play.count += diff; 822 blksize = vc->play.blksize; 823 824 while (vc->play.count >= blksize) { 825 vc->play.count -= blksize; 826 (*vc->play.intr)(vc->play.arg); 827 } 828 } 829 830 if (vc->rec.active) { 831 pos = esa_get_pointer(sc, &vc->rec) % vc->rec.bufsize; 832 diff = (vc->rec.bufsize + pos - vc->rec.pos) % 833 vc->rec.bufsize; 834 835 vc->rec.pos = pos; 836 vc->rec.count += diff; 837 blksize = vc->rec.blksize; 838 839 while (vc->rec.count >= blksize) { 840 vc->rec.count -= blksize; 841 (*vc->rec.intr)(vc->rec.arg); 842 } 843 } 844 } 845 846 mutex_spin_exit(&sc->sc_intr_lock); 847 return 1; 848 } 849 850 static int 851 esa_allocmem(struct esa_softc *sc, size_t size, size_t align, 852 struct esa_dma *p) 853 { 854 int error; 855 856 p->size = size; 857 error = bus_dmamem_alloc(sc->sc_dmat, p->size, align, 0, 858 p->segs, __arraycount(p->segs), 859 &p->nsegs, BUS_DMA_WAITOK); 860 if (error) 861 return error; 862 863 error = bus_dmamem_map(sc->sc_dmat, p->segs, p->nsegs, p->size, 864 &p->addr, BUS_DMA_WAITOK | BUS_DMA_COHERENT); 865 if (error) 866 goto free; 867 868 error = bus_dmamap_create(sc->sc_dmat, p->size, 1, p->size, 0, 869 BUS_DMA_WAITOK, &p->map); 870 if (error) 871 goto unmap; 872 873 error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, p->size, NULL, 874 BUS_DMA_WAITOK); 875 if (error) 876 goto destroy; 877 878 return 0; 879 880 destroy: 881 bus_dmamap_destroy(sc->sc_dmat, p->map); 882 unmap: 883 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 884 free: 885 bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs); 886 887 return error; 888 } 889 890 static int 891 esa_freemem(struct esa_softc *sc, struct esa_dma *p) 892 { 893 894 bus_dmamap_unload(sc->sc_dmat, p->map); 895 bus_dmamap_destroy(sc->sc_dmat, p->map); 896 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 897 bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs); 898 899 return 0; 900 } 901 902 /* 903 * Supporting Subroutines 904 */ 905 906 static int 907 esa_match(device_t dev, cfdata_t match, void *aux) 908 { 909 struct pci_attach_args *pa; 910 911 pa = (struct pci_attach_args *)aux; 912 switch (PCI_VENDOR(pa->pa_id)) { 913 case PCI_VENDOR_ESSTECH: 914 switch(PCI_PRODUCT(pa->pa_id)) { 915 case PCI_PRODUCT_ESSTECH_ALLEGRO1: 916 case PCI_PRODUCT_ESSTECH_MAESTRO3: 917 case PCI_PRODUCT_ESSTECH_MAESTRO3_2: 918 return 1; 919 } 920 } 921 922 return 0; 923 } 924 925 static void 926 esa_attach(device_t parent, device_t self, void *aux) 927 { 928 struct esa_softc *sc; 929 struct pci_attach_args *pa; 930 pcitag_t tag; 931 pci_chipset_tag_t pc; 932 pci_intr_handle_t ih; 933 const struct esa_card_type *card; 934 const char *intrstr; 935 uint32_t data; 936 int revision, i, error; 937 char intrbuf[PCI_INTRSTR_LEN]; 938 939 sc = device_private(self); 940 pa = (struct pci_attach_args *)aux; 941 tag = pa->pa_tag; 942 pc = pa->pa_pc; 943 944 pci_aprint_devinfo(pa, "Audio controller"); 945 946 revision = PCI_REVISION(pa->pa_class); 947 948 for (card = esa_card_types; card->pci_vendor_id; card++) 949 if (PCI_VENDOR(pa->pa_id) == card->pci_vendor_id && 950 PCI_PRODUCT(pa->pa_id) == card->pci_product_id) { 951 sc->type = card->type; 952 sc->delay1 = card->delay1; 953 sc->delay2 = card->delay2; 954 break; 955 } 956 957 data = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG); 958 data |= (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE 959 | PCI_COMMAND_MASTER_ENABLE); 960 pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG, data); 961 962 /* Map I/O register */ 963 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 964 &sc->sc_iot, &sc->sc_ioh, &sc->sc_iob, &sc->sc_ios)) { 965 aprint_error_dev(sc->sc_dev, "can't map i/o space\n"); 966 return; 967 } 968 969 /* Initialize softc */ 970 sc->sc_dev = self; 971 sc->sc_tag = tag; 972 sc->sc_pct = pc; 973 sc->sc_dmat = pa->pa_dmat; 974 975 mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE); 976 mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_AUDIO); 977 978 /* Map and establish an interrupt */ 979 if (pci_intr_map(pa, &ih)) { 980 aprint_error_dev(sc->sc_dev, "can't map interrupt\n"); 981 mutex_destroy(&sc->sc_lock); 982 mutex_destroy(&sc->sc_intr_lock); 983 return; 984 } 985 intrstr = pci_intr_string(pc, ih, intrbuf, sizeof(intrbuf)); 986 sc->sc_ih = pci_intr_establish_xname(pc, ih, IPL_AUDIO, esa_intr, sc, 987 device_xname(self)); 988 if (sc->sc_ih == NULL) { 989 aprint_error_dev(sc->sc_dev, "can't establish interrupt"); 990 if (intrstr != NULL) 991 aprint_error(" at %s", intrstr); 992 aprint_error("\n"); 993 mutex_destroy(&sc->sc_lock); 994 mutex_destroy(&sc->sc_intr_lock); 995 return; 996 } 997 aprint_normal_dev(sc->sc_dev, "interrupting at %s\n", intrstr); 998 999 /* power up chip */ 1000 if ((error = pci_activate(pa->pa_pc, pa->pa_tag, self, 1001 pci_activate_null)) && error != EOPNOTSUPP) { 1002 aprint_error_dev(sc->sc_dev, "cannot activate %d\n", error); 1003 mutex_destroy(&sc->sc_lock); 1004 mutex_destroy(&sc->sc_intr_lock); 1005 return; 1006 } 1007 1008 /* Init chip */ 1009 if (esa_init(sc) == -1) { 1010 aprint_error_dev(sc->sc_dev, 1011 "esa_attach: unable to initialize the card\n"); 1012 mutex_destroy(&sc->sc_lock); 1013 mutex_destroy(&sc->sc_intr_lock); 1014 return; 1015 } 1016 1017 /* create suspend save area */ 1018 sc->savememsz = sizeof(uint16_t) * (ESA_REV_B_CODE_MEMORY_LENGTH 1019 + ESA_REV_B_DATA_MEMORY_LENGTH + 1); 1020 sc->savemem = kmem_zalloc(sc->savememsz, KM_SLEEP); 1021 1022 /* 1023 * Every card I've seen has had their channels swapped with respect 1024 * to the mixer. Ie: 1025 * $ mixerctl -w outputs.master=0,191 1026 * Would result in the _right_ speaker being turned off. 1027 * 1028 * So, we will swap the left and right mixer channels to compensate 1029 * for this. 1030 * 1031 * XXX PR# 23620: The Dell C810 channels are not swapped. Match 1032 * on revision ID for now; this is probably wrong. 1033 */ 1034 if (revision == 0x10 && sc->type == ESS_MAESTRO3) 1035 sc->codec_flags = 0; 1036 else 1037 sc->codec_flags = AC97_HOST_SWAPPED_CHANNELS; 1038 1039 /* initialize list management structures */ 1040 sc->mixer_list.mem_addr = ESA_KDATA_MIXER_XFER0; 1041 sc->mixer_list.max = ESA_MAX_VIRTUAL_MIXER_CHANNELS; 1042 sc->adc1_list.mem_addr = ESA_KDATA_ADC1_XFER0; 1043 sc->adc1_list.max = ESA_MAX_VIRTUAL_ADC1_CHANNELS; 1044 sc->dma_list.mem_addr = ESA_KDATA_DMA_XFER0; 1045 sc->dma_list.max = ESA_MAX_VIRTUAL_DMA_CHANNELS; 1046 sc->msrc_list.mem_addr = ESA_KDATA_INSTANCE0_MINISRC; 1047 sc->msrc_list.max = ESA_MAX_INSTANCE_MINISRC; 1048 1049 /* initialize index maps */ 1050 for (i = 0; i < ESA_NUM_VOICES * 2; i++) { 1051 sc->mixer_list.indexmap[i] = -1; 1052 sc->msrc_list.indexmap[i] = -1; 1053 sc->dma_list.indexmap[i] = -1; 1054 sc->adc1_list.indexmap[i] = -1; 1055 } 1056 1057 /* Attach AC97 host interface */ 1058 sc->host_if.arg = sc; 1059 sc->host_if.attach = esa_attach_codec; 1060 sc->host_if.read = esa_read_codec; 1061 sc->host_if.write = esa_write_codec; 1062 sc->host_if.reset = esa_reset_codec; 1063 sc->host_if.flags = esa_flags_codec; 1064 1065 if (ac97_attach(&sc->host_if, self, &sc->sc_lock) != 0) { 1066 mutex_destroy(&sc->sc_lock); 1067 mutex_destroy(&sc->sc_intr_lock); 1068 return; 1069 } 1070 1071 /* Attach audio interface. */ 1072 for (i = 0; i < ESA_NUM_VOICES; i++) { 1073 sc->voice[i].parent = sc->sc_dev; 1074 sc->voice[i].index = i; 1075 sc->sc_audiodev[i] = 1076 audio_attach_mi(&esa_hw_if, &sc->voice[i], sc->sc_dev); 1077 } 1078 1079 if (!pmf_device_register(self, esa_suspend, esa_resume)) 1080 aprint_error_dev(self, "couldn't establish power handler\n"); 1081 1082 return; 1083 } 1084 1085 void 1086 esa_childdet(device_t self, device_t child) 1087 { 1088 struct esa_softc *sc = device_private(self); 1089 int i; 1090 1091 for (i = 0; i < ESA_NUM_VOICES; i++) { 1092 if (sc->sc_audiodev[i] == child) { 1093 sc->sc_audiodev[i] = NULL; 1094 break; 1095 } 1096 } 1097 KASSERT(i < ESA_NUM_VOICES); 1098 } 1099 1100 static int 1101 esa_detach(device_t self, int flags) 1102 { 1103 struct esa_softc *sc; 1104 int i; 1105 1106 sc = device_private(self); 1107 for (i = 0; i < ESA_NUM_VOICES; i++) { 1108 if (sc->sc_audiodev[i] != NULL) 1109 config_detach(sc->sc_audiodev[i], flags); 1110 } 1111 1112 if (sc->sc_ih != NULL) 1113 pci_intr_disestablish(sc->sc_pct, sc->sc_ih); 1114 if (sc->sc_ios) 1115 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 1116 1117 kmem_free(sc->savemem, sc->savememsz); 1118 mutex_destroy(&sc->sc_lock); 1119 mutex_destroy(&sc->sc_intr_lock); 1120 1121 return 0; 1122 } 1123 1124 static uint16_t 1125 esa_read_assp(struct esa_softc *sc, uint16_t region, uint16_t index) 1126 { 1127 uint16_t data; 1128 bus_space_tag_t iot; 1129 bus_space_handle_t ioh; 1130 1131 iot = sc->sc_iot; 1132 ioh = sc->sc_ioh; 1133 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_TYPE, 1134 region & ESA_MEMTYPE_MASK); 1135 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_INDEX, index); 1136 data = bus_space_read_2(iot, ioh, ESA_DSP_PORT_MEMORY_DATA); 1137 1138 return data; 1139 } 1140 1141 static void 1142 esa_write_assp(struct esa_softc *sc, uint16_t region, uint16_t index, 1143 uint16_t data) 1144 { 1145 bus_space_tag_t iot; 1146 bus_space_handle_t ioh; 1147 1148 iot = sc->sc_iot; 1149 ioh = sc->sc_ioh; 1150 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_TYPE, 1151 region & ESA_MEMTYPE_MASK); 1152 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_INDEX, index); 1153 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_DATA, data); 1154 1155 return; 1156 } 1157 1158 static int 1159 esa_init_codec(struct esa_softc *sc) 1160 { 1161 bus_space_tag_t iot; 1162 bus_space_handle_t ioh; 1163 uint32_t data; 1164 1165 iot = sc->sc_iot; 1166 ioh = sc->sc_ioh; 1167 data = bus_space_read_1(iot, ioh, ESA_CODEC_COMMAND); 1168 1169 return (data & 0x1) ? 0 : 1; 1170 } 1171 1172 static int 1173 esa_attach_codec(void *aux, struct ac97_codec_if *codec_if) 1174 { 1175 struct esa_softc *sc; 1176 1177 sc = aux; 1178 sc->codec_if = codec_if; 1179 1180 return 0; 1181 } 1182 1183 static int 1184 esa_read_codec(void *aux, uint8_t reg, uint16_t *result) 1185 { 1186 struct esa_softc *sc; 1187 bus_space_tag_t iot; 1188 bus_space_handle_t ioh; 1189 1190 sc = aux; 1191 iot = sc->sc_iot; 1192 ioh = sc->sc_ioh; 1193 if (esa_wait(sc)) 1194 aprint_error_dev(sc->sc_dev, "esa_read_codec: timed out\n"); 1195 bus_space_write_1(iot, ioh, ESA_CODEC_COMMAND, (reg & 0x7f) | 0x80); 1196 delay(50); 1197 if (esa_wait(sc)) 1198 aprint_error_dev(sc->sc_dev, "esa_read_codec: timed out\n"); 1199 *result = bus_space_read_2(iot, ioh, ESA_CODEC_DATA); 1200 1201 return 0; 1202 } 1203 1204 static int 1205 esa_write_codec(void *aux, uint8_t reg, uint16_t data) 1206 { 1207 struct esa_softc *sc; 1208 bus_space_tag_t iot; 1209 bus_space_handle_t ioh; 1210 1211 sc = aux; 1212 iot = sc->sc_iot; 1213 ioh = sc->sc_ioh; 1214 if (esa_wait(sc)) { 1215 aprint_error_dev(sc->sc_dev, "esa_write_codec: timed out\n"); 1216 return -1; 1217 } 1218 bus_space_write_2(iot, ioh, ESA_CODEC_DATA, data); 1219 bus_space_write_1(iot, ioh, ESA_CODEC_COMMAND, reg & 0x7f); 1220 delay(50); 1221 1222 return 0; 1223 } 1224 1225 static int 1226 esa_reset_codec(void *aux) 1227 { 1228 1229 return 0; 1230 } 1231 1232 static enum ac97_host_flags 1233 esa_flags_codec(void *aux) 1234 { 1235 struct esa_softc *sc; 1236 1237 sc = aux; 1238 return sc->codec_flags; 1239 } 1240 1241 static int 1242 esa_wait(struct esa_softc *sc) 1243 { 1244 int i, val; 1245 bus_space_tag_t iot; 1246 bus_space_handle_t ioh; 1247 1248 iot = sc->sc_iot; 1249 ioh = sc->sc_ioh; 1250 for (i = 0; i < 20; i++) { 1251 val = bus_space_read_1(iot, ioh, ESA_CODEC_STATUS); 1252 if ((val & 1) == 0) 1253 return 0; 1254 delay(2); 1255 } 1256 1257 return -1; 1258 } 1259 1260 static int 1261 esa_init(struct esa_softc *sc) 1262 { 1263 struct esa_voice *vc; 1264 bus_space_tag_t iot; 1265 bus_space_handle_t ioh; 1266 pcitag_t tag; 1267 pci_chipset_tag_t pc; 1268 uint32_t data, i, size; 1269 uint8_t reset_state; 1270 int data_bytes; 1271 1272 iot = sc->sc_iot; 1273 ioh = sc->sc_ioh; 1274 tag = sc->sc_tag; 1275 pc = sc->sc_pct; 1276 data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 1277 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 1278 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) & ~255; 1279 1280 mutex_spin_enter(&sc->sc_intr_lock); 1281 1282 /* Disable legacy emulation */ 1283 data = pci_conf_read(pc, tag, PCI_LEGACY_AUDIO_CTRL); 1284 data |= DISABLE_LEGACY; 1285 pci_conf_write(pc, tag, PCI_LEGACY_AUDIO_CTRL, data); 1286 1287 esa_config(sc); 1288 1289 reset_state = esa_assp_halt(sc); 1290 1291 esa_init_codec(sc); 1292 esa_codec_reset(sc); 1293 1294 /* Zero kernel and mixer data */ 1295 size = ESA_REV_B_DATA_MEMORY_UNIT_LENGTH * ESA_NUM_UNITS_KERNEL_DATA; 1296 for (i = 0; i < size / 2; i++) { 1297 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1298 ESA_KDATA_BASE_ADDR + i, 0); 1299 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1300 ESA_KDATA_BASE_ADDR2 + i, 0); 1301 } 1302 1303 /* Init DMA pointer */ 1304 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_CURRENT_DMA, 1305 ESA_KDATA_DMA_XFER0); 1306 1307 /* Write kernel code into memory */ 1308 for (i = 0; i < __arraycount(esa_assp_kernel_image); i++) 1309 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 1310 ESA_REV_B_CODE_MEMORY_BEGIN + i, esa_assp_kernel_image[i]); 1311 1312 for (i = 0; i < __arraycount(esa_assp_minisrc_image); i++) 1313 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 0x400 + i, 1314 esa_assp_minisrc_image[i]); 1315 1316 /* Write the coefficients for the low pass filter */ 1317 for (i = 0; i < __arraycount(esa_minisrc_lpf_image); i++) 1318 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 1319 0x400 + ESA_MINISRC_COEF_LOC + i, 1320 esa_minisrc_lpf_image[i]); 1321 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 1322 0x400 + ESA_MINISRC_COEF_LOC + size, 0x8000); 1323 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_TASK0, 0x400); 1324 /* Init the mixer number */ 1325 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1326 ESA_KDATA_MIXER_TASK_NUMBER, 0); 1327 /* Extreme kernel master volume */ 1328 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1329 ESA_KDATA_DAC_LEFT_VOLUME, ESA_ARB_VOLUME); 1330 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1331 ESA_KDATA_DAC_RIGHT_VOLUME, ESA_ARB_VOLUME); 1332 1333 if (esa_amp_enable(sc)) 1334 return -1; 1335 1336 /* Zero entire DAC/ADC area */ 1337 for (i = 0x1100; i < 0x1c00; i++) 1338 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, i, 0); 1339 1340 /* set some sane defaults */ 1341 for (i = 0; i < ESA_NUM_VOICES; i++) { 1342 vc = &sc->voice[i]; 1343 vc->play.data_offset = ESA_DAC_DATA + (data_bytes * i); 1344 vc->rec.data_offset = ESA_DAC_DATA + (data_bytes * i * 2); 1345 } 1346 1347 esa_enable_interrupts(sc); 1348 1349 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B, 1350 reset_state | ESA_REGB_ENABLE_RESET); 1351 1352 mutex_spin_exit(&sc->sc_intr_lock); 1353 1354 return 0; 1355 } 1356 1357 static void 1358 esa_config(struct esa_softc *sc) 1359 { 1360 bus_space_tag_t iot; 1361 bus_space_handle_t ioh; 1362 pcitag_t tag; 1363 pci_chipset_tag_t pc; 1364 uint32_t data; 1365 1366 iot = sc->sc_iot; 1367 ioh = sc->sc_ioh; 1368 tag = sc->sc_tag; 1369 pc = sc->sc_pct; 1370 1371 data = pci_conf_read(pc, tag, ESA_PCI_ALLEGRO_CONFIG); 1372 data &= ESA_REDUCED_DEBOUNCE; 1373 data |= ESA_PM_CTRL_ENABLE | ESA_CLK_DIV_BY_49 | ESA_USE_PCI_TIMING; 1374 pci_conf_write(pc, tag, ESA_PCI_ALLEGRO_CONFIG, data); 1375 1376 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_B, ESA_RESET_ASSP); 1377 data = pci_conf_read(pc, tag, ESA_PCI_ALLEGRO_CONFIG); 1378 data &= ~ESA_INT_CLK_SELECT; 1379 if (sc->type == ESS_MAESTRO3) { 1380 data &= ~ESA_INT_CLK_MULT_ENABLE; 1381 data |= ESA_INT_CLK_SRC_NOT_PCI; 1382 } 1383 data &= ~(ESA_CLK_MULT_MODE_SELECT | ESA_CLK_MULT_MODE_SELECT_2); 1384 pci_conf_write(pc, tag, ESA_PCI_ALLEGRO_CONFIG, data); 1385 1386 if (sc->type == ESS_ALLEGRO1) { 1387 data = pci_conf_read(pc, tag, ESA_PCI_USER_CONFIG); 1388 data |= ESA_IN_CLK_12MHZ_SELECT; 1389 pci_conf_write(pc, tag, ESA_PCI_USER_CONFIG, data); 1390 } 1391 1392 data = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_A); 1393 data &= ~(ESA_DSP_CLK_36MHZ_SELECT | ESA_ASSP_CLK_49MHZ_SELECT); 1394 data |= ESA_ASSP_CLK_49MHZ_SELECT; /* XXX: Assumes 49MHz DSP */ 1395 data |= ESA_ASSP_0_WS_ENABLE; 1396 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_A, data); 1397 1398 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_B, ESA_RUN_ASSP); 1399 1400 return; 1401 } 1402 1403 static uint8_t 1404 esa_assp_halt(struct esa_softc *sc) 1405 { 1406 bus_space_tag_t iot; 1407 bus_space_handle_t ioh; 1408 uint8_t data, reset_state; 1409 1410 iot = sc->sc_iot; 1411 ioh = sc->sc_ioh; 1412 data = bus_space_read_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B); 1413 reset_state = data & ~ESA_REGB_STOP_CLOCK; 1414 delay(10000); 1415 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B, 1416 reset_state & ~ESA_REGB_ENABLE_RESET); 1417 delay(10000); 1418 1419 return reset_state; 1420 } 1421 1422 static void 1423 esa_codec_reset(struct esa_softc *sc) 1424 { 1425 bus_space_tag_t iot; 1426 bus_space_handle_t ioh; 1427 uint16_t data, dir; 1428 int retry; 1429 1430 iot = sc->sc_iot; 1431 ioh = sc->sc_ioh; 1432 retry = 0; 1433 do { 1434 data = bus_space_read_2(iot, ioh, ESA_GPIO_DIRECTION); 1435 dir = data | 0x10; /* assuming pci bus master? */ 1436 1437 /* remote codec config */ 1438 data = bus_space_read_2(iot, ioh, ESA_RING_BUS_CTRL_B); 1439 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_B, 1440 data & ~ESA_SECOND_CODEC_ID_MASK); 1441 data = bus_space_read_2(iot, ioh, ESA_SDO_OUT_DEST_CTRL); 1442 bus_space_write_2(iot, ioh, ESA_SDO_OUT_DEST_CTRL, 1443 data & ~ESA_COMMAND_ADDR_OUT); 1444 data = bus_space_read_2(iot, ioh, ESA_SDO_IN_DEST_CTRL); 1445 bus_space_write_2(iot, ioh, ESA_SDO_IN_DEST_CTRL, 1446 data & ~ESA_STATUS_ADDR_IN); 1447 1448 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_A, 1449 ESA_IO_SRAM_ENABLE); 1450 delay(20); 1451 1452 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, 1453 dir & ~ESA_GPO_PRIMARY_AC97); 1454 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, 1455 ~ESA_GPO_PRIMARY_AC97); 1456 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, 0); 1457 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, 1458 dir | ESA_GPO_PRIMARY_AC97); 1459 delay(sc->delay1 * 1000); 1460 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, 1461 ESA_GPO_PRIMARY_AC97); 1462 delay(5); 1463 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_A, 1464 ESA_IO_SRAM_ENABLE | ESA_SERIAL_AC_LINK_ENABLE); 1465 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~0); 1466 delay(sc->delay2 * 1000); 1467 1468 esa_read_codec(sc, 0x7c, &data); 1469 if ((data == 0) || (data == 0xffff)) { 1470 retry++; 1471 if (retry > 3) { 1472 aprint_error_dev(sc->sc_dev, 1473 "esa_codec_reset: failed\n"); 1474 break; 1475 } 1476 aprint_normal_dev(sc->sc_dev, 1477 "esa_codec_reset: retrying\n"); 1478 } else 1479 retry = 0; 1480 } while (retry); 1481 1482 return; 1483 } 1484 1485 static int 1486 esa_amp_enable(struct esa_softc *sc) 1487 { 1488 bus_space_tag_t iot; 1489 bus_space_handle_t ioh; 1490 uint32_t gpo, polarity_port, polarity; 1491 uint16_t data; 1492 1493 iot = sc->sc_iot; 1494 ioh = sc->sc_ioh; 1495 switch (sc->type) { 1496 case ESS_ALLEGRO1: 1497 polarity_port = 0x1800; 1498 break; 1499 case ESS_MAESTRO3: 1500 polarity_port = 0x1100; 1501 break; 1502 default: 1503 aprint_error_dev(sc->sc_dev, 1504 "esa_amp_enable: Unknown chip type!!!\n"); 1505 return 1; 1506 } 1507 1508 gpo = (polarity_port >> 8) & 0x0f; 1509 polarity = polarity_port >> 12; 1510 polarity = !polarity; /* Enable */ 1511 polarity = polarity << gpo; 1512 gpo = 1 << gpo; 1513 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~gpo); 1514 data = bus_space_read_2(iot, ioh, ESA_GPIO_DIRECTION); 1515 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, data | gpo); 1516 data = ESA_GPO_SECONDARY_AC97 | ESA_GPO_PRIMARY_AC97 | polarity; 1517 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, data); 1518 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~0); 1519 1520 return 0; 1521 } 1522 1523 static void 1524 esa_enable_interrupts(struct esa_softc *sc) 1525 { 1526 bus_space_tag_t iot; 1527 bus_space_handle_t ioh; 1528 uint8_t data; 1529 1530 iot = sc->sc_iot; 1531 ioh = sc->sc_ioh; 1532 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 1533 ESA_ASSP_INT_ENABLE | ESA_HV_INT_ENABLE); 1534 data = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_C); 1535 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_C, 1536 data | ESA_ASSP_HOST_INT_ENABLE); 1537 } 1538 1539 /* 1540 * List management 1541 */ 1542 static int 1543 esa_add_list(struct esa_voice *vc, struct esa_list *el, 1544 uint16_t val, int index) 1545 { 1546 struct esa_softc *sc; 1547 1548 sc = device_private(vc->parent); 1549 el->indexmap[index] = el->currlen; 1550 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1551 el->mem_addr + el->currlen, 1552 val); 1553 1554 return el->currlen++; 1555 } 1556 1557 static void 1558 esa_remove_list(struct esa_voice *vc, struct esa_list *el, int index) 1559 { 1560 struct esa_softc *sc; 1561 uint16_t val; 1562 int lastindex; 1563 int vindex; 1564 int i; 1565 1566 sc = device_private(vc->parent); 1567 lastindex = el->currlen - 1; 1568 vindex = el->indexmap[index]; 1569 1570 /* reset our virtual index */ 1571 el->indexmap[index] = -1; 1572 1573 if (vindex != lastindex) { 1574 val = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1575 el->mem_addr + lastindex); 1576 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1577 el->mem_addr + vindex, 1578 val); 1579 for (i = 0; i < ESA_NUM_VOICES * 2; i++) 1580 if (el->indexmap[i] == lastindex) 1581 break; 1582 if (i >= ESA_NUM_VOICES * 2) 1583 aprint_error_dev(sc->sc_dev, 1584 "esa_remove_list: invalid task index\n"); 1585 else 1586 el->indexmap[i] = vindex; 1587 } 1588 1589 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1590 el->mem_addr + lastindex, 0); 1591 el->currlen--; 1592 1593 return; 1594 } 1595 1596 static bool 1597 esa_suspend(device_t dv, const pmf_qual_t *qual) 1598 { 1599 struct esa_softc *sc = device_private(dv); 1600 bus_space_tag_t iot = sc->sc_iot; 1601 bus_space_handle_t ioh = sc->sc_ioh; 1602 int i, index; 1603 1604 index = 0; 1605 1606 mutex_enter(&sc->sc_lock); 1607 mutex_spin_enter(&sc->sc_intr_lock); 1608 1609 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 0); 1610 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_C, 0); 1611 1612 esa_assp_halt(sc); 1613 1614 /* Save ASSP state */ 1615 for (i = ESA_REV_B_CODE_MEMORY_BEGIN; i <= ESA_REV_B_CODE_MEMORY_END; 1616 i++) 1617 sc->savemem[index++] = esa_read_assp(sc, 1618 ESA_MEMTYPE_INTERNAL_CODE, i); 1619 for (i = ESA_REV_B_DATA_MEMORY_BEGIN; i <= ESA_REV_B_DATA_MEMORY_END; 1620 i++) 1621 sc->savemem[index++] = esa_read_assp(sc, 1622 ESA_MEMTYPE_INTERNAL_DATA, i); 1623 1624 mutex_spin_exit(&sc->sc_intr_lock); 1625 mutex_exit(&sc->sc_lock); 1626 1627 return true; 1628 } 1629 1630 static bool 1631 esa_resume(device_t dv, const pmf_qual_t *qual) 1632 { 1633 struct esa_softc *sc = device_private(dv); 1634 bus_space_tag_t iot = sc->sc_iot; 1635 bus_space_handle_t ioh = sc->sc_ioh; 1636 int i, index; 1637 uint8_t reset_state; 1638 pcireg_t data; 1639 1640 index = 0; 1641 1642 delay(10000); 1643 1644 mutex_enter(&sc->sc_lock); 1645 mutex_spin_enter(&sc->sc_intr_lock); 1646 1647 data = pci_conf_read(sc->sc_pct, sc->sc_tag, PCI_LEGACY_AUDIO_CTRL); 1648 pci_conf_write(sc->sc_pct, sc->sc_tag, PCI_LEGACY_AUDIO_CTRL, 1649 data | DISABLE_LEGACY); 1650 1651 bus_space_write_4(iot, ioh, ESA_PCI_ACPI_CONTROL, ESA_PCI_ACPI_D0); 1652 1653 esa_config(sc); 1654 1655 reset_state = esa_assp_halt(sc); 1656 1657 esa_init_codec(sc); 1658 esa_codec_reset(sc); 1659 1660 /* restore ASSP */ 1661 for (i = ESA_REV_B_CODE_MEMORY_BEGIN; i <= ESA_REV_B_CODE_MEMORY_END; 1662 i++) 1663 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, i, 1664 sc->savemem[index++]); 1665 for (i = ESA_REV_B_DATA_MEMORY_BEGIN; i <= ESA_REV_B_DATA_MEMORY_END; 1666 i++) 1667 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, i, 1668 sc->savemem[index++]); 1669 1670 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_DMA_ACTIVE, 0); 1671 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B, 1672 reset_state | ESA_REGB_ENABLE_RESET); 1673 1674 esa_enable_interrupts(sc); 1675 esa_amp_enable(sc); 1676 1677 mutex_spin_exit(&sc->sc_intr_lock); 1678 1679 /* Finally, power up AC97 codec */ 1680 delay(1000); 1681 1682 sc->codec_if->vtbl->restore_ports(sc->codec_if); 1683 1684 mutex_exit(&sc->sc_lock); 1685 1686 return true; 1687 } 1688 1689 static uint32_t 1690 esa_get_pointer(struct esa_softc *sc, struct esa_channel *ch) 1691 { 1692 uint16_t hi, lo; 1693 uint32_t addr; 1694 int data_offset; 1695 1696 data_offset = ch->data_offset; 1697 hi = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, data_offset + 1698 ESA_CDATA_HOST_SRC_CURRENTH); 1699 lo = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, data_offset + 1700 ESA_CDATA_HOST_SRC_CURRENTL); 1701 1702 addr = lo | ((uint32_t)hi << 16); 1703 return (addr - ch->start); 1704 } 1705 1706 static void 1707 esa_get_locks(void *addr, kmutex_t **intr, kmutex_t **proc) 1708 { 1709 struct esa_voice *vc; 1710 struct esa_softc *sc; 1711 1712 vc = addr; 1713 sc = device_private(vc->parent); 1714 1715 *intr = &sc->sc_intr_lock; 1716 *proc = &sc->sc_lock; 1717 } 1718
Indexes created Mon Sep 22 10:09:38 GMT 2025