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