1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD AND BSD-3-Clause 3 * 4 * Copyright 2008 by Marco Trillo. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 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 * $FreeBSD$ 28 */ 29 /*- 30 * Copyright (c) 2002, 2003 Tsubai Masanari. All rights reserved. 31 * 32 * Redistribution and use in source and binary forms, with or without 33 * modification, are permitted provided that the following conditions 34 * are met: 35 * 1. Redistributions of source code must retain the above copyright 36 * notice, this list of conditions and the following disclaimer. 37 * 2. Redistributions in binary form must reproduce the above copyright 38 * notice, this list of conditions and the following disclaimer in the 39 * documentation and/or other materials provided with the distribution. 40 * 3. The name of the author may not be used to endorse or promote products 41 * derived from this software without specific prior written permission. 42 * 43 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 44 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 45 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 46 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 47 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 48 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 49 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 50 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 51 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 52 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 53 * 54 * NetBSD: snapper.c,v 1.28 2008/05/16 03:49:54 macallan Exp 55 * Id: snapper.c,v 1.11 2002/10/31 17:42:13 tsubai Exp 56 */ 57 58 /* 59 * Apple I2S audio controller. 60 */ 61 62 #include <sys/param.h> 63 #include <sys/systm.h> 64 #include <sys/kernel.h> 65 #include <sys/module.h> 66 #include <sys/bus.h> 67 #include <sys/malloc.h> 68 #include <sys/lock.h> 69 #include <sys/mutex.h> 70 #include <machine/dbdma.h> 71 #include <machine/intr_machdep.h> 72 #include <machine/resource.h> 73 #include <machine/bus.h> 74 #include <machine/pio.h> 75 #include <sys/rman.h> 76 #include <dev/ofw/ofw_bus.h> 77 78 #ifdef HAVE_KERNEL_OPTION_HEADERS 79 #include "opt_snd.h" 80 #endif 81 82 #include <dev/sound/pcm/sound.h> 83 #include <dev/sound/macio/aoa.h> 84 85 #include <powerpc/powermac/macgpiovar.h> 86 87 struct i2s_softc { 88 struct aoa_softc aoa; 89 phandle_t node; 90 phandle_t soundnode; 91 struct resource *reg; 92 u_int output_mask; 93 struct mtx port_mtx; 94 }; 95 96 static int i2s_probe(device_t); 97 static int i2s_attach(device_t); 98 static void i2s_postattach(void *); 99 static int i2s_setup(struct i2s_softc *, u_int, u_int, u_int); 100 static void i2s_mute_headphone (struct i2s_softc *, int); 101 static void i2s_mute_lineout (struct i2s_softc *, int); 102 static void i2s_mute_speaker (struct i2s_softc *, int); 103 static void i2s_set_outputs(void *, u_int); 104 105 static struct intr_config_hook *i2s_delayed_attach = NULL; 106 107 kobj_class_t i2s_mixer_class = NULL; 108 device_t i2s_mixer = NULL; 109 110 static device_method_t pcm_i2s_methods[] = { 111 /* Device interface. */ 112 DEVMETHOD(device_probe, i2s_probe), 113 DEVMETHOD(device_attach, i2s_attach), 114 { 0, 0 } 115 }; 116 117 static driver_t pcm_i2s_driver = { 118 "pcm", 119 pcm_i2s_methods, 120 PCM_SOFTC_SIZE 121 }; 122 123 DRIVER_MODULE(pcm_i2s, macio, pcm_i2s_driver, pcm_devclass, 0, 0); 124 MODULE_DEPEND(pcm_i2s, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER); 125 126 static int aoagpio_probe(device_t); 127 static int aoagpio_attach(device_t); 128 129 static device_method_t aoagpio_methods[] = { 130 /* Device interface. */ 131 DEVMETHOD(device_probe, aoagpio_probe), 132 DEVMETHOD(device_attach, aoagpio_attach), 133 { 0, 0 } 134 }; 135 136 struct aoagpio_softc { 137 device_t dev; 138 int ctrl; 139 int detect_active; /* for extint-gpio */ 140 int level; /* for extint-gpio */ 141 struct i2s_softc *i2s; /* for extint-gpio */ 142 }; 143 144 static driver_t aoagpio_driver = { 145 "aoagpio", 146 aoagpio_methods, 147 sizeof(struct aoagpio_softc) 148 }; 149 static devclass_t aoagpio_devclass; 150 151 DRIVER_MODULE(aoagpio, macgpio, aoagpio_driver, aoagpio_devclass, 0, 0); 152 153 /***************************************************************************** 154 Probe and attachment routines. 155 *****************************************************************************/ 156 static int 157 i2s_probe(device_t self) 158 { 159 const char *name; 160 phandle_t subchild; 161 char subchildname[255]; 162 163 name = ofw_bus_get_name(self); 164 if (!name) 165 return (ENXIO); 166 167 if (strcmp(name, "i2s") != 0) 168 return (ENXIO); 169 170 /* 171 * Do not attach to "lightshow" I2S devices on Xserves. This controller 172 * is used there to control the LEDs on the front panel, and this 173 * driver can't handle it. 174 */ 175 subchild = OF_child(OF_child(ofw_bus_get_node(self))); 176 if (subchild != 0 && OF_getprop(subchild, "name", subchildname, 177 sizeof(subchildname)) > 0 && strcmp(subchildname, "lightshow") == 0) 178 return (ENXIO); 179 180 device_set_desc(self, "Apple I2S Audio Controller"); 181 182 return (0); 183 } 184 185 static phandle_t of_find_firstchild_byname(phandle_t, const char *); 186 187 static int 188 i2s_attach(device_t self) 189 { 190 struct i2s_softc *sc; 191 struct resource *dbdma_irq; 192 void *dbdma_ih; 193 int rid, oirq, err; 194 phandle_t port; 195 196 sc = malloc(sizeof(*sc), M_DEVBUF, M_WAITOK | M_ZERO); 197 198 sc->aoa.sc_dev = self; 199 sc->node = ofw_bus_get_node(self); 200 201 port = of_find_firstchild_byname(sc->node, "i2s-a"); 202 if (port == -1) 203 return (ENXIO); 204 sc->soundnode = of_find_firstchild_byname(port, "sound"); 205 if (sc->soundnode == -1) 206 return (ENXIO); 207 208 mtx_init(&sc->port_mtx, "port_mtx", NULL, MTX_DEF); 209 210 /* Map the controller register space. */ 211 rid = 0; 212 sc->reg = bus_alloc_resource_any(self, SYS_RES_MEMORY, &rid, RF_ACTIVE); 213 if (sc->reg == NULL) 214 return ENXIO; 215 216 /* Map the DBDMA channel register space. */ 217 rid = 1; 218 sc->aoa.sc_odma = bus_alloc_resource_any(self, SYS_RES_MEMORY, &rid, 219 RF_ACTIVE); 220 if (sc->aoa.sc_odma == NULL) 221 return ENXIO; 222 223 /* Establish the DBDMA channel edge-triggered interrupt. */ 224 rid = 1; 225 dbdma_irq = bus_alloc_resource_any(self, SYS_RES_IRQ, 226 &rid, RF_SHAREABLE | RF_ACTIVE); 227 if (dbdma_irq == NULL) 228 return (ENXIO); 229 230 /* Now initialize the controller. */ 231 err = i2s_setup(sc, 44100, 16, 64); 232 if (err != 0) 233 return (err); 234 235 snd_setup_intr(self, dbdma_irq, INTR_MPSAFE, aoa_interrupt, 236 sc, &dbdma_ih); 237 238 oirq = rman_get_start(dbdma_irq); 239 err = powerpc_config_intr(oirq, INTR_TRIGGER_EDGE, INTR_POLARITY_LOW); 240 if (err != 0) 241 return (err); 242 243 /* 244 * Register a hook for delayed attach in order to allow 245 * the I2C controller to attach. 246 */ 247 if ((i2s_delayed_attach = malloc(sizeof(struct intr_config_hook), 248 M_TEMP, M_WAITOK | M_ZERO)) == NULL) 249 return (ENOMEM); 250 251 i2s_delayed_attach->ich_func = i2s_postattach; 252 i2s_delayed_attach->ich_arg = sc; 253 254 if (config_intrhook_establish(i2s_delayed_attach) != 0) 255 return (ENOMEM); 256 257 return (aoa_attach(sc)); 258 } 259 260 /***************************************************************************** 261 GPIO routines. 262 *****************************************************************************/ 263 264 enum gpio_ctrl { 265 AMP_MUTE, 266 HEADPHONE_MUTE, 267 LINEOUT_MUTE, 268 AUDIO_HW_RESET, 269 HEADPHONE_DETECT, 270 LINEOUT_DETECT, 271 GPIO_CTRL_NUM 272 }; 273 274 #define GPIO_CTRL_EXTINT_SET \ 275 ((1 << HEADPHONE_DETECT) | \ 276 (1 << LINEOUT_DETECT)) 277 278 static struct aoagpio_softc *gpio_ctrls[GPIO_CTRL_NUM] = 279 {NULL, NULL, NULL, NULL, NULL, NULL}; 280 281 static struct gpio_match { 282 const char *name; 283 enum gpio_ctrl ctrl; 284 } gpio_controls[] = { 285 {"headphone-mute", HEADPHONE_MUTE}, 286 {"lineout-mute", LINEOUT_MUTE}, 287 {"amp-mute", AMP_MUTE}, 288 {"headphone-detect", HEADPHONE_DETECT}, 289 {"lineout-detect", LINEOUT_DETECT}, 290 {"line-output-detect", LINEOUT_DETECT}, 291 {"audio-hw-reset", AUDIO_HW_RESET}, 292 {"hw-reset", AUDIO_HW_RESET}, 293 {NULL, GPIO_CTRL_NUM} 294 }; 295 296 static void i2s_cint(struct i2s_softc *); 297 298 static void 299 aoagpio_int(void *cookie) 300 { 301 device_t self = cookie; 302 struct aoagpio_softc *sc; 303 304 sc = device_get_softc(self); 305 306 if (macgpio_read(self) & GPIO_LEVEL_RO) 307 sc->level = sc->detect_active; 308 else 309 sc->level = !(sc->detect_active); 310 311 if (sc->i2s) 312 i2s_cint(sc->i2s); 313 } 314 315 static int 316 aoagpio_probe(device_t gpio) 317 { 318 phandle_t node; 319 char bname[32]; 320 const char *name; 321 struct gpio_match *m; 322 struct aoagpio_softc *sc; 323 324 node = ofw_bus_get_node(gpio); 325 if (node == 0 || node == -1) 326 return (EINVAL); 327 328 bzero(bname, sizeof(bname)); 329 if (OF_getprop(node, "audio-gpio", bname, sizeof(bname)) > 2) 330 name = bname; 331 else 332 name = ofw_bus_get_name(gpio); 333 334 /* Try to find a match. */ 335 for (m = gpio_controls; m->name != NULL; m++) { 336 if (strcmp(name, m->name) == 0) { 337 sc = device_get_softc(gpio); 338 gpio_ctrls[m->ctrl] = sc; 339 sc->dev = gpio; 340 sc->ctrl = m->ctrl; 341 sc->level = 0; 342 sc->detect_active = 0; 343 sc->i2s = NULL; 344 345 OF_getprop(node, "audio-gpio-active-state", 346 &sc->detect_active, sizeof(sc->detect_active)); 347 348 if ((1 << m->ctrl) & GPIO_CTRL_EXTINT_SET) 349 aoagpio_int(gpio); 350 351 device_set_desc(gpio, m->name); 352 device_quiet(gpio); 353 return (0); 354 } 355 } 356 357 return (ENXIO); 358 } 359 360 static int 361 aoagpio_attach(device_t gpio) 362 { 363 struct aoagpio_softc *sc; 364 struct resource *r; 365 void *cookie; 366 int irq, rid = 0; 367 368 sc = device_get_softc(gpio); 369 370 if ((1 << sc->ctrl) & GPIO_CTRL_EXTINT_SET) { 371 r = bus_alloc_resource_any(gpio, SYS_RES_IRQ, &rid, RF_ACTIVE); 372 if (r == NULL) 373 return (ENXIO); 374 375 irq = rman_get_start(r); 376 DPRINTF(("interrupting at irq %d\n", irq)); 377 378 if (powerpc_config_intr(irq, INTR_TRIGGER_EDGE, 379 INTR_POLARITY_LOW) != 0) 380 return (ENXIO); 381 382 bus_setup_intr(gpio, r, INTR_TYPE_MISC | INTR_MPSAFE | 383 INTR_ENTROPY, NULL, aoagpio_int, gpio, &cookie); 384 } 385 386 return (0); 387 } 388 389 /* 390 * I2S module registers 391 */ 392 #define I2S_INT 0x00 393 #define I2S_FORMAT 0x10 394 #define I2S_FRAMECOUNT 0x40 395 #define I2S_FRAMEMATCH 0x50 396 #define I2S_WORDSIZE 0x60 397 398 /* I2S_INT register definitions */ 399 #define I2S_INT_CLKSTOPPEND 0x01000000 /* clock-stop interrupt pending */ 400 401 /* I2S_FORMAT register definitions */ 402 #define CLKSRC_49MHz 0x80000000 /* Use 49152000Hz Osc. */ 403 #define CLKSRC_45MHz 0x40000000 /* Use 45158400Hz Osc. */ 404 #define CLKSRC_18MHz 0x00000000 /* Use 18432000Hz Osc. */ 405 #define MCLK_DIV_MASK 0x1f000000 /* MCLK = SRC / DIV */ 406 #define SCLK_DIV_MASK 0x00f00000 /* SCLK = MCLK / DIV */ 407 #define SCLK_MASTER 0x00080000 /* Master mode */ 408 #define SCLK_SLAVE 0x00000000 /* Slave mode */ 409 #define SERIAL_FORMAT 0x00070000 410 #define SERIAL_SONY 0x00000000 411 #define SERIAL_64x 0x00010000 412 #define SERIAL_32x 0x00020000 413 #define SERIAL_DAV 0x00040000 414 #define SERIAL_SILICON 0x00050000 415 416 /* I2S_WORDSIZE register definitions */ 417 #define INPUT_STEREO (2 << 24) 418 #define INPUT_MONO (1 << 24) 419 #define INPUT_16BIT (0 << 16) 420 #define INPUT_24BIT (3 << 16) 421 #define OUTPUT_STEREO (2 << 8) 422 #define OUTPUT_MONO (1 << 8) 423 #define OUTPUT_16BIT (0 << 0) 424 #define OUTPUT_24BIT (3 << 0) 425 426 /* Master clock, needed by some codecs. We hardcode this 427 to 256 * fs as this is valid for most codecs. */ 428 #define MCLK_FS 256 429 430 /* Number of clock sources we can use. */ 431 #define NCLKS 3 432 static const struct i2s_clksrc { 433 u_int cs_clock; 434 u_int cs_reg; 435 } clksrc[NCLKS] = { 436 {49152000, CLKSRC_49MHz}, 437 {45158400, CLKSRC_45MHz}, 438 {18432000, CLKSRC_18MHz} 439 }; 440 441 /* Configure the I2S controller for the required settings. 442 'rate' is the frame rate. 443 'wordsize' is the sample size (usually 16 bits). 444 'sclk_fs' is the SCLK/framerate ratio, which needs to be equal 445 or greater to the number of bits per frame. */ 446 447 static int 448 i2s_setup(struct i2s_softc *sc, u_int rate, u_int wordsize, u_int sclk_fs) 449 { 450 u_int mclk, mdiv, sdiv; 451 u_int reg = 0, x, wordformat; 452 u_int i; 453 454 /* Make sure the settings are consistent... */ 455 if ((wordsize * 2) > sclk_fs) 456 return (EINVAL); 457 458 if (sclk_fs != 32 && sclk_fs != 64) 459 return (EINVAL); 460 461 /* 462 * Find a clock source to derive the master clock (MCLK) 463 * and the I2S bit block (SCLK) and set the divisors as 464 * appropriate. 465 */ 466 mclk = rate * MCLK_FS; 467 sdiv = MCLK_FS / sclk_fs; 468 469 for (i = 0; i < NCLKS; ++i) { 470 if ((clksrc[i].cs_clock % mclk) == 0) { 471 reg = clksrc[i].cs_reg; 472 mdiv = clksrc[i].cs_clock / mclk; 473 break; 474 } 475 } 476 if (reg == 0) 477 return (EINVAL); 478 479 switch (mdiv) { 480 /* exception cases */ 481 case 1: 482 x = 14; 483 break; 484 case 3: 485 x = 13; 486 break; 487 case 5: 488 x = 12; 489 break; 490 default: 491 x = (mdiv / 2) - 1; 492 break; 493 } 494 reg |= (x << 24) & MCLK_DIV_MASK; 495 496 switch (sdiv) { 497 case 1: 498 x = 8; 499 break; 500 case 3: 501 x = 9; 502 break; 503 default: 504 x = (sdiv / 2) - 1; 505 break; 506 } 507 reg |= (x << 20) & SCLK_DIV_MASK; 508 509 /* 510 * XXX use master mode for now. This needs to be 511 * revisited if we want to add recording from SPDIF some day. 512 */ 513 reg |= SCLK_MASTER; 514 515 switch (sclk_fs) { 516 case 64: 517 reg |= SERIAL_64x; 518 break; 519 case 32: 520 reg |= SERIAL_32x; 521 break; 522 } 523 524 /* stereo input and output */ 525 wordformat = INPUT_STEREO | OUTPUT_STEREO; 526 527 switch (wordsize) { 528 case 16: 529 wordformat |= INPUT_16BIT | OUTPUT_16BIT; 530 break; 531 case 24: 532 wordformat |= INPUT_24BIT | OUTPUT_24BIT; 533 break; 534 default: 535 return (EINVAL); 536 } 537 538 x = bus_read_4(sc->reg, I2S_WORDSIZE); 539 if (x != wordformat) 540 bus_write_4(sc->reg, I2S_WORDSIZE, wordformat); 541 542 x = bus_read_4(sc->reg, I2S_FORMAT); 543 if (x != reg) { 544 /* 545 * XXX to change the format we need to stop the clock 546 * via the FCR registers. For now, rely on the firmware 547 * to set sane defaults (44100). 548 */ 549 printf("i2s_setup: changing format not supported yet.\n"); 550 return (ENOTSUP); 551 552 #ifdef notyet 553 if (obio_fcr_isset(OBIO_FCR1, I2S0CLKEN)) { 554 555 bus_space_write_4(sc->sc_tag, sc->sc_bsh, I2S_INT, 556 I2S_INT_CLKSTOPPEND); 557 558 obio_fcr_clear(OBIO_FCR1, I2S0CLKEN); 559 560 for (timo = 1000; timo > 0; timo--) { 561 if (bus_space_read_4(sc->sc_tag, sc->sc_bsh, 562 I2S_INT) & I2S_INT_CLKSTOPPEND) 563 break; 564 565 DELAY(10); 566 } 567 568 if (timo == 0) 569 printf("%s: timeout waiting for clock to stop\n", 570 sc->sc_dev.dv_xname); 571 } 572 573 bus_space_write_4(sc->sc_tag, sc->sc_bsh, I2S_FORMAT, reg); 574 575 obio_fcr_set(OBIO_FCR1, I2S0CLKEN); 576 #endif 577 } 578 579 return (0); 580 } 581 582 /* XXX this does not belong here. */ 583 static phandle_t 584 of_find_firstchild_byname(phandle_t node, const char *req_name) 585 { 586 char name[32]; /* max name len per OF spec. */ 587 phandle_t n; 588 589 for (n = OF_child(node); n != -1; n = OF_peer(n)) { 590 bzero(name, sizeof(name)); 591 OF_getprop(n, "name", name, sizeof(name)); 592 593 if (strcmp(name, req_name) == 0) 594 return (n); 595 } 596 597 return (-1); 598 } 599 600 static u_int 601 gpio_read(enum gpio_ctrl ctrl) 602 { 603 struct aoagpio_softc *sc; 604 605 if ((sc = gpio_ctrls[ctrl]) == NULL) 606 return (0); 607 608 return (macgpio_read(sc->dev) & GPIO_DATA); 609 } 610 611 static void 612 gpio_write(enum gpio_ctrl ctrl, u_int x) 613 { 614 struct aoagpio_softc *sc; 615 u_int reg; 616 617 if ((sc = gpio_ctrls[ctrl]) == NULL) 618 return; 619 620 reg = GPIO_DDR_OUTPUT; 621 if (x) 622 reg |= GPIO_DATA; 623 624 macgpio_write(sc->dev, reg); 625 } 626 627 static void 628 i2s_cint(struct i2s_softc *sc) 629 { 630 u_int mask = 0; 631 632 if (gpio_ctrls[HEADPHONE_DETECT] && 633 gpio_ctrls[HEADPHONE_DETECT]->level) 634 mask |= 1 << 1; 635 636 if (gpio_ctrls[LINEOUT_DETECT] && 637 gpio_ctrls[LINEOUT_DETECT]->level) 638 mask |= 1 << 2; 639 640 if (mask == 0) 641 mask = 1 << 0; /* fall back to speakers. */ 642 643 i2s_set_outputs(sc, mask); 644 } 645 646 #define reset_active 0 647 648 /* these values are in microseconds */ 649 #define RESET_SETUP_TIME 5000 650 #define RESET_HOLD_TIME 20000 651 #define RESET_RELEASE_TIME 10000 652 653 static void 654 i2s_audio_hw_reset(struct i2s_softc *sc) 655 { 656 if (gpio_ctrls[AUDIO_HW_RESET]) { 657 DPRINTF(("resetting codec\n")); 658 659 gpio_write(AUDIO_HW_RESET, !reset_active); /* Negate RESET */ 660 DELAY(RESET_SETUP_TIME); 661 662 gpio_write(AUDIO_HW_RESET, reset_active); /* Assert RESET */ 663 DELAY(RESET_HOLD_TIME); 664 665 gpio_write(AUDIO_HW_RESET, !reset_active); /* Negate RESET */ 666 DELAY(RESET_RELEASE_TIME); 667 668 } else { 669 DPRINTF(("no audio_hw_reset\n")); 670 } 671 } 672 673 #define AMP_ACTIVE 0 /* XXX OF */ 674 #define HEADPHONE_ACTIVE 0 /* XXX OF */ 675 #define LINEOUT_ACTIVE 0 /* XXX OF */ 676 677 #define MUTE_CONTROL(xxx, yyy) \ 678 static void \ 679 i2s_mute_##xxx(struct i2s_softc *sc, int mute) \ 680 { \ 681 int x; \ 682 \ 683 if (gpio_ctrls[yyy##_MUTE] == NULL) \ 684 return; \ 685 if (mute) \ 686 x = yyy##_ACTIVE; \ 687 else \ 688 x = ! yyy##_ACTIVE; \ 689 \ 690 if (x != gpio_read(yyy##_MUTE)) \ 691 gpio_write(yyy##_MUTE, x); \ 692 } 693 694 MUTE_CONTROL(speaker, AMP) 695 MUTE_CONTROL(headphone, HEADPHONE) 696 MUTE_CONTROL(lineout, LINEOUT) 697 698 static void 699 i2s_set_outputs(void *ptr, u_int mask) 700 { 701 struct i2s_softc *sc = ptr; 702 703 if (mask == sc->output_mask) 704 return; 705 706 mtx_lock(&sc->port_mtx); 707 708 i2s_mute_speaker(sc, 1); 709 i2s_mute_headphone(sc, 1); 710 i2s_mute_lineout(sc, 1); 711 712 DPRINTF(("enabled outputs: ")); 713 714 if (mask & (1 << 0)) { 715 DPRINTF(("SPEAKER ")); 716 i2s_mute_speaker(sc, 0); 717 } 718 if (mask & (1 << 1)) { 719 DPRINTF(("HEADPHONE ")); 720 i2s_mute_headphone(sc, 0); 721 } 722 if (mask & (1 << 2)) { 723 DPRINTF(("LINEOUT ")); 724 i2s_mute_lineout(sc, 0); 725 } 726 727 DPRINTF(("\n")); 728 sc->output_mask = mask; 729 730 mtx_unlock(&sc->port_mtx); 731 } 732 733 static void 734 i2s_postattach(void *xsc) 735 { 736 struct i2s_softc *sc = xsc; 737 device_t self; 738 int i; 739 740 self = sc->aoa.sc_dev; 741 742 /* Reset the codec. */ 743 i2s_audio_hw_reset(sc); 744 745 /* If we have a codec, initialize it. */ 746 if (i2s_mixer) 747 mixer_init(self, i2s_mixer_class, i2s_mixer); 748 749 /* Read initial port status. */ 750 i2s_cint(sc); 751 752 /* Enable GPIO interrupt callback. */ 753 for (i = 0; i < GPIO_CTRL_NUM; i++) 754 if (gpio_ctrls[i]) 755 gpio_ctrls[i]->i2s = sc; 756 757 config_intrhook_disestablish(i2s_delayed_attach); 758 free(i2s_delayed_attach, M_TEMP); 759 } 760