hdac.c revision 258170
1/*- 2 * Copyright (c) 2006 Stephane E. Potvin <sepotvin@videotron.ca> 3 * Copyright (c) 2006 Ariff Abdullah <ariff@FreeBSD.org> 4 * Copyright (c) 2008-2012 Alexander Motin <mav@FreeBSD.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29/* 30 * Intel High Definition Audio (Controller) driver for FreeBSD. 31 */ 32 33#ifdef HAVE_KERNEL_OPTION_HEADERS 34#include "opt_snd.h" 35#endif 36 37#include <dev/sound/pcm/sound.h> 38#include <dev/pci/pcireg.h> 39#include <dev/pci/pcivar.h> 40 41#include <sys/ctype.h> 42#include <sys/taskqueue.h> 43 44#include <dev/sound/pci/hda/hdac_private.h> 45#include <dev/sound/pci/hda/hdac_reg.h> 46#include <dev/sound/pci/hda/hda_reg.h> 47#include <dev/sound/pci/hda/hdac.h> 48 49#define HDA_DRV_TEST_REV "20120126_0002" 50 51SND_DECLARE_FILE("$FreeBSD: head/sys/dev/sound/pci/hda/hdac.c 258170 2013-11-15 13:55:55Z mav $"); 52 53#define hdac_lock(sc) snd_mtxlock((sc)->lock) 54#define hdac_unlock(sc) snd_mtxunlock((sc)->lock) 55#define hdac_lockassert(sc) snd_mtxassert((sc)->lock) 56#define hdac_lockowned(sc) mtx_owned((sc)->lock) 57 58#define HDAC_QUIRK_64BIT (1 << 0) 59#define HDAC_QUIRK_DMAPOS (1 << 1) 60#define HDAC_QUIRK_MSI (1 << 2) 61 62static const struct { 63 char *key; 64 uint32_t value; 65} hdac_quirks_tab[] = { 66 { "64bit", HDAC_QUIRK_DMAPOS }, 67 { "dmapos", HDAC_QUIRK_DMAPOS }, 68 { "msi", HDAC_QUIRK_MSI }, 69}; 70#define HDAC_QUIRKS_TAB_LEN \ 71 (sizeof(hdac_quirks_tab) / sizeof(hdac_quirks_tab[0])) 72 73MALLOC_DEFINE(M_HDAC, "hdac", "HDA Controller"); 74 75static const struct { 76 uint32_t model; 77 char *desc; 78 char quirks_on; 79 char quirks_off; 80} hdac_devices[] = { 81 { HDA_INTEL_OAK, "Intel Oaktrail", 0, 0 }, 82 { HDA_INTEL_BAY, "Intel BayTrail", 0, 0 }, 83 { HDA_INTEL_HSW1, "Intel Haswell", 0, 0 }, 84 { HDA_INTEL_HSW2, "Intel Haswell", 0, 0 }, 85 { HDA_INTEL_HSW3, "Intel Haswell", 0, 0 }, 86 { HDA_INTEL_CPT, "Intel Cougar Point", 0, 0 }, 87 { HDA_INTEL_PATSBURG,"Intel Patsburg", 0, 0 }, 88 { HDA_INTEL_PPT1, "Intel Panther Point", 0, 0 }, 89 { HDA_INTEL_LPT1, "Intel Lynx Point", 0, 0 }, 90 { HDA_INTEL_LPT2, "Intel Lynx Point", 0, 0 }, 91 { HDA_INTEL_WELLS1, "Intel Wellsburg", 0, 0 }, 92 { HDA_INTEL_WELLS2, "Intel Wellsburg", 0, 0 }, 93 { HDA_INTEL_LPTLP1, "Intel Lynx Point-LP", 0, 0 }, 94 { HDA_INTEL_LPTLP2, "Intel Lynx Point-LP", 0, 0 }, 95 { HDA_INTEL_82801F, "Intel 82801F", 0, 0 }, 96 { HDA_INTEL_63XXESB, "Intel 631x/632xESB", 0, 0 }, 97 { HDA_INTEL_82801G, "Intel 82801G", 0, 0 }, 98 { HDA_INTEL_82801H, "Intel 82801H", 0, 0 }, 99 { HDA_INTEL_82801I, "Intel 82801I", 0, 0 }, 100 { HDA_INTEL_82801JI, "Intel 82801JI", 0, 0 }, 101 { HDA_INTEL_82801JD, "Intel 82801JD", 0, 0 }, 102 { HDA_INTEL_PCH, "Intel 5 Series/3400 Series", 0, 0 }, 103 { HDA_INTEL_PCH2, "Intel 5 Series/3400 Series", 0, 0 }, 104 { HDA_INTEL_SCH, "Intel SCH", 0, 0 }, 105 { HDA_NVIDIA_MCP51, "NVIDIA MCP51", 0, HDAC_QUIRK_MSI }, 106 { HDA_NVIDIA_MCP55, "NVIDIA MCP55", 0, HDAC_QUIRK_MSI }, 107 { HDA_NVIDIA_MCP61_1, "NVIDIA MCP61", 0, 0 }, 108 { HDA_NVIDIA_MCP61_2, "NVIDIA MCP61", 0, 0 }, 109 { HDA_NVIDIA_MCP65_1, "NVIDIA MCP65", 0, 0 }, 110 { HDA_NVIDIA_MCP65_2, "NVIDIA MCP65", 0, 0 }, 111 { HDA_NVIDIA_MCP67_1, "NVIDIA MCP67", 0, 0 }, 112 { HDA_NVIDIA_MCP67_2, "NVIDIA MCP67", 0, 0 }, 113 { HDA_NVIDIA_MCP73_1, "NVIDIA MCP73", 0, 0 }, 114 { HDA_NVIDIA_MCP73_2, "NVIDIA MCP73", 0, 0 }, 115 { HDA_NVIDIA_MCP78_1, "NVIDIA MCP78", 0, HDAC_QUIRK_64BIT }, 116 { HDA_NVIDIA_MCP78_2, "NVIDIA MCP78", 0, HDAC_QUIRK_64BIT }, 117 { HDA_NVIDIA_MCP78_3, "NVIDIA MCP78", 0, HDAC_QUIRK_64BIT }, 118 { HDA_NVIDIA_MCP78_4, "NVIDIA MCP78", 0, HDAC_QUIRK_64BIT }, 119 { HDA_NVIDIA_MCP79_1, "NVIDIA MCP79", 0, 0 }, 120 { HDA_NVIDIA_MCP79_2, "NVIDIA MCP79", 0, 0 }, 121 { HDA_NVIDIA_MCP79_3, "NVIDIA MCP79", 0, 0 }, 122 { HDA_NVIDIA_MCP79_4, "NVIDIA MCP79", 0, 0 }, 123 { HDA_NVIDIA_MCP89_1, "NVIDIA MCP89", 0, 0 }, 124 { HDA_NVIDIA_MCP89_2, "NVIDIA MCP89", 0, 0 }, 125 { HDA_NVIDIA_MCP89_3, "NVIDIA MCP89", 0, 0 }, 126 { HDA_NVIDIA_MCP89_4, "NVIDIA MCP89", 0, 0 }, 127 { HDA_NVIDIA_0BE2, "NVIDIA (0x0be2)", 0, HDAC_QUIRK_MSI }, 128 { HDA_NVIDIA_0BE3, "NVIDIA (0x0be3)", 0, HDAC_QUIRK_MSI }, 129 { HDA_NVIDIA_0BE4, "NVIDIA (0x0be4)", 0, HDAC_QUIRK_MSI }, 130 { HDA_NVIDIA_GT100, "NVIDIA GT100", 0, HDAC_QUIRK_MSI }, 131 { HDA_NVIDIA_GT104, "NVIDIA GT104", 0, HDAC_QUIRK_MSI }, 132 { HDA_NVIDIA_GT106, "NVIDIA GT106", 0, HDAC_QUIRK_MSI }, 133 { HDA_NVIDIA_GT108, "NVIDIA GT108", 0, HDAC_QUIRK_MSI }, 134 { HDA_NVIDIA_GT116, "NVIDIA GT116", 0, HDAC_QUIRK_MSI }, 135 { HDA_NVIDIA_GF119, "NVIDIA GF119", 0, 0 }, 136 { HDA_NVIDIA_GF110_1, "NVIDIA GF110", 0, HDAC_QUIRK_MSI }, 137 { HDA_NVIDIA_GF110_2, "NVIDIA GF110", 0, HDAC_QUIRK_MSI }, 138 { HDA_ATI_SB450, "ATI SB450", 0, 0 }, 139 { HDA_ATI_SB600, "ATI SB600", 0, 0 }, 140 { HDA_ATI_RS600, "ATI RS600", 0, 0 }, 141 { HDA_ATI_RS690, "ATI RS690", 0, 0 }, 142 { HDA_ATI_RS780, "ATI RS780", 0, 0 }, 143 { HDA_ATI_R600, "ATI R600", 0, 0 }, 144 { HDA_ATI_RV610, "ATI RV610", 0, 0 }, 145 { HDA_ATI_RV620, "ATI RV620", 0, 0 }, 146 { HDA_ATI_RV630, "ATI RV630", 0, 0 }, 147 { HDA_ATI_RV635, "ATI RV635", 0, 0 }, 148 { HDA_ATI_RV710, "ATI RV710", 0, 0 }, 149 { HDA_ATI_RV730, "ATI RV730", 0, 0 }, 150 { HDA_ATI_RV740, "ATI RV740", 0, 0 }, 151 { HDA_ATI_RV770, "ATI RV770", 0, 0 }, 152 { HDA_ATI_RV810, "ATI RV810", 0, 0 }, 153 { HDA_ATI_RV830, "ATI RV830", 0, 0 }, 154 { HDA_ATI_RV840, "ATI RV840", 0, 0 }, 155 { HDA_ATI_RV870, "ATI RV870", 0, 0 }, 156 { HDA_ATI_RV910, "ATI RV910", 0, 0 }, 157 { HDA_ATI_RV930, "ATI RV930", 0, 0 }, 158 { HDA_ATI_RV940, "ATI RV940", 0, 0 }, 159 { HDA_ATI_RV970, "ATI RV970", 0, 0 }, 160 { HDA_ATI_R1000, "ATI R1000", 0, 0 }, 161 { HDA_RDC_M3010, "RDC M3010", 0, 0 }, 162 { HDA_VIA_VT82XX, "VIA VT8251/8237A",0, 0 }, 163 { HDA_SIS_966, "SiS 966", 0, 0 }, 164 { HDA_ULI_M5461, "ULI M5461", 0, 0 }, 165 /* Unknown */ 166 { HDA_INTEL_ALL, "Intel", 0, 0 }, 167 { HDA_NVIDIA_ALL, "NVIDIA", 0, 0 }, 168 { HDA_ATI_ALL, "ATI", 0, 0 }, 169 { HDA_VIA_ALL, "VIA", 0, 0 }, 170 { HDA_SIS_ALL, "SiS", 0, 0 }, 171 { HDA_ULI_ALL, "ULI", 0, 0 }, 172}; 173#define HDAC_DEVICES_LEN (sizeof(hdac_devices) / sizeof(hdac_devices[0])) 174 175static const struct { 176 uint16_t vendor; 177 uint8_t reg; 178 uint8_t mask; 179 uint8_t enable; 180} hdac_pcie_snoop[] = { 181 { INTEL_VENDORID, 0x00, 0x00, 0x00 }, 182 { ATI_VENDORID, 0x42, 0xf8, 0x02 }, 183 { NVIDIA_VENDORID, 0x4e, 0xf0, 0x0f }, 184}; 185#define HDAC_PCIESNOOP_LEN \ 186 (sizeof(hdac_pcie_snoop) / sizeof(hdac_pcie_snoop[0])) 187 188/**************************************************************************** 189 * Function prototypes 190 ****************************************************************************/ 191static void hdac_intr_handler(void *); 192static int hdac_reset(struct hdac_softc *, int); 193static int hdac_get_capabilities(struct hdac_softc *); 194static void hdac_dma_cb(void *, bus_dma_segment_t *, int, int); 195static int hdac_dma_alloc(struct hdac_softc *, 196 struct hdac_dma *, bus_size_t); 197static void hdac_dma_free(struct hdac_softc *, struct hdac_dma *); 198static int hdac_mem_alloc(struct hdac_softc *); 199static void hdac_mem_free(struct hdac_softc *); 200static int hdac_irq_alloc(struct hdac_softc *); 201static void hdac_irq_free(struct hdac_softc *); 202static void hdac_corb_init(struct hdac_softc *); 203static void hdac_rirb_init(struct hdac_softc *); 204static void hdac_corb_start(struct hdac_softc *); 205static void hdac_rirb_start(struct hdac_softc *); 206 207static void hdac_attach2(void *); 208 209static uint32_t hdac_send_command(struct hdac_softc *, nid_t, uint32_t); 210 211static int hdac_probe(device_t); 212static int hdac_attach(device_t); 213static int hdac_detach(device_t); 214static int hdac_suspend(device_t); 215static int hdac_resume(device_t); 216 217static int hdac_rirb_flush(struct hdac_softc *sc); 218static int hdac_unsolq_flush(struct hdac_softc *sc); 219 220#define hdac_command(a1, a2, a3) \ 221 hdac_send_command(a1, a3, a2) 222 223/* This function surely going to make its way into upper level someday. */ 224static void 225hdac_config_fetch(struct hdac_softc *sc, uint32_t *on, uint32_t *off) 226{ 227 const char *res = NULL; 228 int i = 0, j, k, len, inv; 229 230 if (resource_string_value(device_get_name(sc->dev), 231 device_get_unit(sc->dev), "config", &res) != 0) 232 return; 233 if (!(res != NULL && strlen(res) > 0)) 234 return; 235 HDA_BOOTVERBOSE( 236 device_printf(sc->dev, "Config options:"); 237 ); 238 for (;;) { 239 while (res[i] != '\0' && 240 (res[i] == ',' || isspace(res[i]) != 0)) 241 i++; 242 if (res[i] == '\0') { 243 HDA_BOOTVERBOSE( 244 printf("\n"); 245 ); 246 return; 247 } 248 j = i; 249 while (res[j] != '\0' && 250 !(res[j] == ',' || isspace(res[j]) != 0)) 251 j++; 252 len = j - i; 253 if (len > 2 && strncmp(res + i, "no", 2) == 0) 254 inv = 2; 255 else 256 inv = 0; 257 for (k = 0; len > inv && k < HDAC_QUIRKS_TAB_LEN; k++) { 258 if (strncmp(res + i + inv, 259 hdac_quirks_tab[k].key, len - inv) != 0) 260 continue; 261 if (len - inv != strlen(hdac_quirks_tab[k].key)) 262 continue; 263 HDA_BOOTVERBOSE( 264 printf(" %s%s", (inv != 0) ? "no" : "", 265 hdac_quirks_tab[k].key); 266 ); 267 if (inv == 0) { 268 *on |= hdac_quirks_tab[k].value; 269 *on &= ~hdac_quirks_tab[k].value; 270 } else if (inv != 0) { 271 *off |= hdac_quirks_tab[k].value; 272 *off &= ~hdac_quirks_tab[k].value; 273 } 274 break; 275 } 276 i = j; 277 } 278} 279 280/**************************************************************************** 281 * void hdac_intr_handler(void *) 282 * 283 * Interrupt handler. Processes interrupts received from the hdac. 284 ****************************************************************************/ 285static void 286hdac_intr_handler(void *context) 287{ 288 struct hdac_softc *sc; 289 device_t dev; 290 uint32_t intsts; 291 uint8_t rirbsts; 292 int i; 293 294 sc = (struct hdac_softc *)context; 295 hdac_lock(sc); 296 297 /* Do we have anything to do? */ 298 intsts = HDAC_READ_4(&sc->mem, HDAC_INTSTS); 299 if ((intsts & HDAC_INTSTS_GIS) == 0) { 300 hdac_unlock(sc); 301 return; 302 } 303 304 /* Was this a controller interrupt? */ 305 if (intsts & HDAC_INTSTS_CIS) { 306 rirbsts = HDAC_READ_1(&sc->mem, HDAC_RIRBSTS); 307 /* Get as many responses that we can */ 308 while (rirbsts & HDAC_RIRBSTS_RINTFL) { 309 HDAC_WRITE_1(&sc->mem, 310 HDAC_RIRBSTS, HDAC_RIRBSTS_RINTFL); 311 hdac_rirb_flush(sc); 312 rirbsts = HDAC_READ_1(&sc->mem, HDAC_RIRBSTS); 313 } 314 if (sc->unsolq_rp != sc->unsolq_wp) 315 taskqueue_enqueue(taskqueue_thread, &sc->unsolq_task); 316 } 317 318 if (intsts & HDAC_INTSTS_SIS_MASK) { 319 for (i = 0; i < sc->num_ss; i++) { 320 if ((intsts & (1 << i)) == 0) 321 continue; 322 HDAC_WRITE_1(&sc->mem, (i << 5) + HDAC_SDSTS, 323 HDAC_SDSTS_DESE | HDAC_SDSTS_FIFOE | HDAC_SDSTS_BCIS ); 324 if ((dev = sc->streams[i].dev) != NULL) { 325 HDAC_STREAM_INTR(dev, 326 sc->streams[i].dir, sc->streams[i].stream); 327 } 328 } 329 } 330 331 HDAC_WRITE_4(&sc->mem, HDAC_INTSTS, intsts); 332 hdac_unlock(sc); 333} 334 335static void 336hdac_poll_callback(void *arg) 337{ 338 struct hdac_softc *sc = arg; 339 340 if (sc == NULL) 341 return; 342 343 hdac_lock(sc); 344 if (sc->polling == 0) { 345 hdac_unlock(sc); 346 return; 347 } 348 callout_reset(&sc->poll_callout, sc->poll_ival, 349 hdac_poll_callback, sc); 350 hdac_unlock(sc); 351 352 hdac_intr_handler(sc); 353} 354 355/**************************************************************************** 356 * int hdac_reset(hdac_softc *, int) 357 * 358 * Reset the hdac to a quiescent and known state. 359 ****************************************************************************/ 360static int 361hdac_reset(struct hdac_softc *sc, int wakeup) 362{ 363 uint32_t gctl; 364 int count, i; 365 366 /* 367 * Stop all Streams DMA engine 368 */ 369 for (i = 0; i < sc->num_iss; i++) 370 HDAC_WRITE_4(&sc->mem, HDAC_ISDCTL(sc, i), 0x0); 371 for (i = 0; i < sc->num_oss; i++) 372 HDAC_WRITE_4(&sc->mem, HDAC_OSDCTL(sc, i), 0x0); 373 for (i = 0; i < sc->num_bss; i++) 374 HDAC_WRITE_4(&sc->mem, HDAC_BSDCTL(sc, i), 0x0); 375 376 /* 377 * Stop Control DMA engines. 378 */ 379 HDAC_WRITE_1(&sc->mem, HDAC_CORBCTL, 0x0); 380 HDAC_WRITE_1(&sc->mem, HDAC_RIRBCTL, 0x0); 381 382 /* 383 * Reset DMA position buffer. 384 */ 385 HDAC_WRITE_4(&sc->mem, HDAC_DPIBLBASE, 0x0); 386 HDAC_WRITE_4(&sc->mem, HDAC_DPIBUBASE, 0x0); 387 388 /* 389 * Reset the controller. The reset must remain asserted for 390 * a minimum of 100us. 391 */ 392 gctl = HDAC_READ_4(&sc->mem, HDAC_GCTL); 393 HDAC_WRITE_4(&sc->mem, HDAC_GCTL, gctl & ~HDAC_GCTL_CRST); 394 count = 10000; 395 do { 396 gctl = HDAC_READ_4(&sc->mem, HDAC_GCTL); 397 if (!(gctl & HDAC_GCTL_CRST)) 398 break; 399 DELAY(10); 400 } while (--count); 401 if (gctl & HDAC_GCTL_CRST) { 402 device_printf(sc->dev, "Unable to put hdac in reset\n"); 403 return (ENXIO); 404 } 405 406 /* If wakeup is not requested - leave the controller in reset state. */ 407 if (!wakeup) 408 return (0); 409 410 DELAY(100); 411 gctl = HDAC_READ_4(&sc->mem, HDAC_GCTL); 412 HDAC_WRITE_4(&sc->mem, HDAC_GCTL, gctl | HDAC_GCTL_CRST); 413 count = 10000; 414 do { 415 gctl = HDAC_READ_4(&sc->mem, HDAC_GCTL); 416 if (gctl & HDAC_GCTL_CRST) 417 break; 418 DELAY(10); 419 } while (--count); 420 if (!(gctl & HDAC_GCTL_CRST)) { 421 device_printf(sc->dev, "Device stuck in reset\n"); 422 return (ENXIO); 423 } 424 425 /* 426 * Wait for codecs to finish their own reset sequence. The delay here 427 * should be of 250us but for some reasons, on it's not enough on my 428 * computer. Let's use twice as much as necessary to make sure that 429 * it's reset properly. 430 */ 431 DELAY(1000); 432 433 return (0); 434} 435 436 437/**************************************************************************** 438 * int hdac_get_capabilities(struct hdac_softc *); 439 * 440 * Retreive the general capabilities of the hdac; 441 * Number of Input Streams 442 * Number of Output Streams 443 * Number of bidirectional Streams 444 * 64bit ready 445 * CORB and RIRB sizes 446 ****************************************************************************/ 447static int 448hdac_get_capabilities(struct hdac_softc *sc) 449{ 450 uint16_t gcap; 451 uint8_t corbsize, rirbsize; 452 453 gcap = HDAC_READ_2(&sc->mem, HDAC_GCAP); 454 sc->num_iss = HDAC_GCAP_ISS(gcap); 455 sc->num_oss = HDAC_GCAP_OSS(gcap); 456 sc->num_bss = HDAC_GCAP_BSS(gcap); 457 sc->num_ss = sc->num_iss + sc->num_oss + sc->num_bss; 458 sc->num_sdo = HDAC_GCAP_NSDO(gcap); 459 sc->support_64bit = (gcap & HDAC_GCAP_64OK) != 0; 460 if (sc->quirks_on & HDAC_QUIRK_64BIT) 461 sc->support_64bit = 1; 462 else if (sc->quirks_off & HDAC_QUIRK_64BIT) 463 sc->support_64bit = 0; 464 465 corbsize = HDAC_READ_1(&sc->mem, HDAC_CORBSIZE); 466 if ((corbsize & HDAC_CORBSIZE_CORBSZCAP_256) == 467 HDAC_CORBSIZE_CORBSZCAP_256) 468 sc->corb_size = 256; 469 else if ((corbsize & HDAC_CORBSIZE_CORBSZCAP_16) == 470 HDAC_CORBSIZE_CORBSZCAP_16) 471 sc->corb_size = 16; 472 else if ((corbsize & HDAC_CORBSIZE_CORBSZCAP_2) == 473 HDAC_CORBSIZE_CORBSZCAP_2) 474 sc->corb_size = 2; 475 else { 476 device_printf(sc->dev, "%s: Invalid corb size (%x)\n", 477 __func__, corbsize); 478 return (ENXIO); 479 } 480 481 rirbsize = HDAC_READ_1(&sc->mem, HDAC_RIRBSIZE); 482 if ((rirbsize & HDAC_RIRBSIZE_RIRBSZCAP_256) == 483 HDAC_RIRBSIZE_RIRBSZCAP_256) 484 sc->rirb_size = 256; 485 else if ((rirbsize & HDAC_RIRBSIZE_RIRBSZCAP_16) == 486 HDAC_RIRBSIZE_RIRBSZCAP_16) 487 sc->rirb_size = 16; 488 else if ((rirbsize & HDAC_RIRBSIZE_RIRBSZCAP_2) == 489 HDAC_RIRBSIZE_RIRBSZCAP_2) 490 sc->rirb_size = 2; 491 else { 492 device_printf(sc->dev, "%s: Invalid rirb size (%x)\n", 493 __func__, rirbsize); 494 return (ENXIO); 495 } 496 497 HDA_BOOTVERBOSE( 498 device_printf(sc->dev, "Caps: OSS %d, ISS %d, BSS %d, " 499 "NSDO %d%s, CORB %d, RIRB %d\n", 500 sc->num_oss, sc->num_iss, sc->num_bss, 1 << sc->num_sdo, 501 sc->support_64bit ? ", 64bit" : "", 502 sc->corb_size, sc->rirb_size); 503 ); 504 505 return (0); 506} 507 508 509/**************************************************************************** 510 * void hdac_dma_cb 511 * 512 * This function is called by bus_dmamap_load when the mapping has been 513 * established. We just record the physical address of the mapping into 514 * the struct hdac_dma passed in. 515 ****************************************************************************/ 516static void 517hdac_dma_cb(void *callback_arg, bus_dma_segment_t *segs, int nseg, int error) 518{ 519 struct hdac_dma *dma; 520 521 if (error == 0) { 522 dma = (struct hdac_dma *)callback_arg; 523 dma->dma_paddr = segs[0].ds_addr; 524 } 525} 526 527 528/**************************************************************************** 529 * int hdac_dma_alloc 530 * 531 * This function allocate and setup a dma region (struct hdac_dma). 532 * It must be freed by a corresponding hdac_dma_free. 533 ****************************************************************************/ 534static int 535hdac_dma_alloc(struct hdac_softc *sc, struct hdac_dma *dma, bus_size_t size) 536{ 537 bus_size_t roundsz; 538 int result; 539 540 roundsz = roundup2(size, HDA_DMA_ALIGNMENT); 541 bzero(dma, sizeof(*dma)); 542 543 /* 544 * Create a DMA tag 545 */ 546 result = bus_dma_tag_create( 547 bus_get_dma_tag(sc->dev), /* parent */ 548 HDA_DMA_ALIGNMENT, /* alignment */ 549 0, /* boundary */ 550 (sc->support_64bit) ? BUS_SPACE_MAXADDR : 551 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */ 552 BUS_SPACE_MAXADDR, /* highaddr */ 553 NULL, /* filtfunc */ 554 NULL, /* fistfuncarg */ 555 roundsz, /* maxsize */ 556 1, /* nsegments */ 557 roundsz, /* maxsegsz */ 558 0, /* flags */ 559 NULL, /* lockfunc */ 560 NULL, /* lockfuncarg */ 561 &dma->dma_tag); /* dmat */ 562 if (result != 0) { 563 device_printf(sc->dev, "%s: bus_dma_tag_create failed (%x)\n", 564 __func__, result); 565 goto hdac_dma_alloc_fail; 566 } 567 568 /* 569 * Allocate DMA memory 570 */ 571 result = bus_dmamem_alloc(dma->dma_tag, (void **)&dma->dma_vaddr, 572 BUS_DMA_NOWAIT | BUS_DMA_ZERO | 573 ((sc->flags & HDAC_F_DMA_NOCACHE) ? BUS_DMA_NOCACHE : 0), 574 &dma->dma_map); 575 if (result != 0) { 576 device_printf(sc->dev, "%s: bus_dmamem_alloc failed (%x)\n", 577 __func__, result); 578 goto hdac_dma_alloc_fail; 579 } 580 581 dma->dma_size = roundsz; 582 583 /* 584 * Map the memory 585 */ 586 result = bus_dmamap_load(dma->dma_tag, dma->dma_map, 587 (void *)dma->dma_vaddr, roundsz, hdac_dma_cb, (void *)dma, 0); 588 if (result != 0 || dma->dma_paddr == 0) { 589 if (result == 0) 590 result = ENOMEM; 591 device_printf(sc->dev, "%s: bus_dmamem_load failed (%x)\n", 592 __func__, result); 593 goto hdac_dma_alloc_fail; 594 } 595 596 HDA_BOOTHVERBOSE( 597 device_printf(sc->dev, "%s: size=%ju -> roundsz=%ju\n", 598 __func__, (uintmax_t)size, (uintmax_t)roundsz); 599 ); 600 601 return (0); 602 603hdac_dma_alloc_fail: 604 hdac_dma_free(sc, dma); 605 606 return (result); 607} 608 609 610/**************************************************************************** 611 * void hdac_dma_free(struct hdac_softc *, struct hdac_dma *) 612 * 613 * Free a struct dhac_dma that has been previously allocated via the 614 * hdac_dma_alloc function. 615 ****************************************************************************/ 616static void 617hdac_dma_free(struct hdac_softc *sc, struct hdac_dma *dma) 618{ 619 if (dma->dma_map != NULL) { 620#if 0 621 /* Flush caches */ 622 bus_dmamap_sync(dma->dma_tag, dma->dma_map, 623 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); 624#endif 625 bus_dmamap_unload(dma->dma_tag, dma->dma_map); 626 } 627 if (dma->dma_vaddr != NULL) { 628 bus_dmamem_free(dma->dma_tag, dma->dma_vaddr, dma->dma_map); 629 dma->dma_vaddr = NULL; 630 } 631 dma->dma_map = NULL; 632 if (dma->dma_tag != NULL) { 633 bus_dma_tag_destroy(dma->dma_tag); 634 dma->dma_tag = NULL; 635 } 636 dma->dma_size = 0; 637} 638 639/**************************************************************************** 640 * int hdac_mem_alloc(struct hdac_softc *) 641 * 642 * Allocate all the bus resources necessary to speak with the physical 643 * controller. 644 ****************************************************************************/ 645static int 646hdac_mem_alloc(struct hdac_softc *sc) 647{ 648 struct hdac_mem *mem; 649 650 mem = &sc->mem; 651 mem->mem_rid = PCIR_BAR(0); 652 mem->mem_res = bus_alloc_resource_any(sc->dev, SYS_RES_MEMORY, 653 &mem->mem_rid, RF_ACTIVE); 654 if (mem->mem_res == NULL) { 655 device_printf(sc->dev, 656 "%s: Unable to allocate memory resource\n", __func__); 657 return (ENOMEM); 658 } 659 mem->mem_tag = rman_get_bustag(mem->mem_res); 660 mem->mem_handle = rman_get_bushandle(mem->mem_res); 661 662 return (0); 663} 664 665/**************************************************************************** 666 * void hdac_mem_free(struct hdac_softc *) 667 * 668 * Free up resources previously allocated by hdac_mem_alloc. 669 ****************************************************************************/ 670static void 671hdac_mem_free(struct hdac_softc *sc) 672{ 673 struct hdac_mem *mem; 674 675 mem = &sc->mem; 676 if (mem->mem_res != NULL) 677 bus_release_resource(sc->dev, SYS_RES_MEMORY, mem->mem_rid, 678 mem->mem_res); 679 mem->mem_res = NULL; 680} 681 682/**************************************************************************** 683 * int hdac_irq_alloc(struct hdac_softc *) 684 * 685 * Allocate and setup the resources necessary for interrupt handling. 686 ****************************************************************************/ 687static int 688hdac_irq_alloc(struct hdac_softc *sc) 689{ 690 struct hdac_irq *irq; 691 int result; 692 693 irq = &sc->irq; 694 irq->irq_rid = 0x0; 695 696 if ((sc->quirks_off & HDAC_QUIRK_MSI) == 0 && 697 (result = pci_msi_count(sc->dev)) == 1 && 698 pci_alloc_msi(sc->dev, &result) == 0) 699 irq->irq_rid = 0x1; 700 701 irq->irq_res = bus_alloc_resource_any(sc->dev, SYS_RES_IRQ, 702 &irq->irq_rid, RF_SHAREABLE | RF_ACTIVE); 703 if (irq->irq_res == NULL) { 704 device_printf(sc->dev, "%s: Unable to allocate irq\n", 705 __func__); 706 goto hdac_irq_alloc_fail; 707 } 708 result = bus_setup_intr(sc->dev, irq->irq_res, INTR_MPSAFE | INTR_TYPE_AV, 709 NULL, hdac_intr_handler, sc, &irq->irq_handle); 710 if (result != 0) { 711 device_printf(sc->dev, 712 "%s: Unable to setup interrupt handler (%x)\n", 713 __func__, result); 714 goto hdac_irq_alloc_fail; 715 } 716 717 return (0); 718 719hdac_irq_alloc_fail: 720 hdac_irq_free(sc); 721 722 return (ENXIO); 723} 724 725/**************************************************************************** 726 * void hdac_irq_free(struct hdac_softc *) 727 * 728 * Free up resources previously allocated by hdac_irq_alloc. 729 ****************************************************************************/ 730static void 731hdac_irq_free(struct hdac_softc *sc) 732{ 733 struct hdac_irq *irq; 734 735 irq = &sc->irq; 736 if (irq->irq_res != NULL && irq->irq_handle != NULL) 737 bus_teardown_intr(sc->dev, irq->irq_res, irq->irq_handle); 738 if (irq->irq_res != NULL) 739 bus_release_resource(sc->dev, SYS_RES_IRQ, irq->irq_rid, 740 irq->irq_res); 741 if (irq->irq_rid == 0x1) 742 pci_release_msi(sc->dev); 743 irq->irq_handle = NULL; 744 irq->irq_res = NULL; 745 irq->irq_rid = 0x0; 746} 747 748/**************************************************************************** 749 * void hdac_corb_init(struct hdac_softc *) 750 * 751 * Initialize the corb registers for operations but do not start it up yet. 752 * The CORB engine must not be running when this function is called. 753 ****************************************************************************/ 754static void 755hdac_corb_init(struct hdac_softc *sc) 756{ 757 uint8_t corbsize; 758 uint64_t corbpaddr; 759 760 /* Setup the CORB size. */ 761 switch (sc->corb_size) { 762 case 256: 763 corbsize = HDAC_CORBSIZE_CORBSIZE(HDAC_CORBSIZE_CORBSIZE_256); 764 break; 765 case 16: 766 corbsize = HDAC_CORBSIZE_CORBSIZE(HDAC_CORBSIZE_CORBSIZE_16); 767 break; 768 case 2: 769 corbsize = HDAC_CORBSIZE_CORBSIZE(HDAC_CORBSIZE_CORBSIZE_2); 770 break; 771 default: 772 panic("%s: Invalid CORB size (%x)\n", __func__, sc->corb_size); 773 } 774 HDAC_WRITE_1(&sc->mem, HDAC_CORBSIZE, corbsize); 775 776 /* Setup the CORB Address in the hdac */ 777 corbpaddr = (uint64_t)sc->corb_dma.dma_paddr; 778 HDAC_WRITE_4(&sc->mem, HDAC_CORBLBASE, (uint32_t)corbpaddr); 779 HDAC_WRITE_4(&sc->mem, HDAC_CORBUBASE, (uint32_t)(corbpaddr >> 32)); 780 781 /* Set the WP and RP */ 782 sc->corb_wp = 0; 783 HDAC_WRITE_2(&sc->mem, HDAC_CORBWP, sc->corb_wp); 784 HDAC_WRITE_2(&sc->mem, HDAC_CORBRP, HDAC_CORBRP_CORBRPRST); 785 /* 786 * The HDA specification indicates that the CORBRPRST bit will always 787 * read as zero. Unfortunately, it seems that at least the 82801G 788 * doesn't reset the bit to zero, which stalls the corb engine. 789 * manually reset the bit to zero before continuing. 790 */ 791 HDAC_WRITE_2(&sc->mem, HDAC_CORBRP, 0x0); 792 793 /* Enable CORB error reporting */ 794#if 0 795 HDAC_WRITE_1(&sc->mem, HDAC_CORBCTL, HDAC_CORBCTL_CMEIE); 796#endif 797} 798 799/**************************************************************************** 800 * void hdac_rirb_init(struct hdac_softc *) 801 * 802 * Initialize the rirb registers for operations but do not start it up yet. 803 * The RIRB engine must not be running when this function is called. 804 ****************************************************************************/ 805static void 806hdac_rirb_init(struct hdac_softc *sc) 807{ 808 uint8_t rirbsize; 809 uint64_t rirbpaddr; 810 811 /* Setup the RIRB size. */ 812 switch (sc->rirb_size) { 813 case 256: 814 rirbsize = HDAC_RIRBSIZE_RIRBSIZE(HDAC_RIRBSIZE_RIRBSIZE_256); 815 break; 816 case 16: 817 rirbsize = HDAC_RIRBSIZE_RIRBSIZE(HDAC_RIRBSIZE_RIRBSIZE_16); 818 break; 819 case 2: 820 rirbsize = HDAC_RIRBSIZE_RIRBSIZE(HDAC_RIRBSIZE_RIRBSIZE_2); 821 break; 822 default: 823 panic("%s: Invalid RIRB size (%x)\n", __func__, sc->rirb_size); 824 } 825 HDAC_WRITE_1(&sc->mem, HDAC_RIRBSIZE, rirbsize); 826 827 /* Setup the RIRB Address in the hdac */ 828 rirbpaddr = (uint64_t)sc->rirb_dma.dma_paddr; 829 HDAC_WRITE_4(&sc->mem, HDAC_RIRBLBASE, (uint32_t)rirbpaddr); 830 HDAC_WRITE_4(&sc->mem, HDAC_RIRBUBASE, (uint32_t)(rirbpaddr >> 32)); 831 832 /* Setup the WP and RP */ 833 sc->rirb_rp = 0; 834 HDAC_WRITE_2(&sc->mem, HDAC_RIRBWP, HDAC_RIRBWP_RIRBWPRST); 835 836 /* Setup the interrupt threshold */ 837 HDAC_WRITE_2(&sc->mem, HDAC_RINTCNT, sc->rirb_size / 2); 838 839 /* Enable Overrun and response received reporting */ 840#if 0 841 HDAC_WRITE_1(&sc->mem, HDAC_RIRBCTL, 842 HDAC_RIRBCTL_RIRBOIC | HDAC_RIRBCTL_RINTCTL); 843#else 844 HDAC_WRITE_1(&sc->mem, HDAC_RIRBCTL, HDAC_RIRBCTL_RINTCTL); 845#endif 846 847#if 0 848 /* 849 * Make sure that the Host CPU cache doesn't contain any dirty 850 * cache lines that falls in the rirb. If I understood correctly, it 851 * should be sufficient to do this only once as the rirb is purely 852 * read-only from now on. 853 */ 854 bus_dmamap_sync(sc->rirb_dma.dma_tag, sc->rirb_dma.dma_map, 855 BUS_DMASYNC_PREREAD); 856#endif 857} 858 859/**************************************************************************** 860 * void hdac_corb_start(hdac_softc *) 861 * 862 * Startup the corb DMA engine 863 ****************************************************************************/ 864static void 865hdac_corb_start(struct hdac_softc *sc) 866{ 867 uint32_t corbctl; 868 869 corbctl = HDAC_READ_1(&sc->mem, HDAC_CORBCTL); 870 corbctl |= HDAC_CORBCTL_CORBRUN; 871 HDAC_WRITE_1(&sc->mem, HDAC_CORBCTL, corbctl); 872} 873 874/**************************************************************************** 875 * void hdac_rirb_start(hdac_softc *) 876 * 877 * Startup the rirb DMA engine 878 ****************************************************************************/ 879static void 880hdac_rirb_start(struct hdac_softc *sc) 881{ 882 uint32_t rirbctl; 883 884 rirbctl = HDAC_READ_1(&sc->mem, HDAC_RIRBCTL); 885 rirbctl |= HDAC_RIRBCTL_RIRBDMAEN; 886 HDAC_WRITE_1(&sc->mem, HDAC_RIRBCTL, rirbctl); 887} 888 889static int 890hdac_rirb_flush(struct hdac_softc *sc) 891{ 892 struct hdac_rirb *rirb_base, *rirb; 893 nid_t cad; 894 uint32_t resp; 895 uint8_t rirbwp; 896 int ret; 897 898 rirb_base = (struct hdac_rirb *)sc->rirb_dma.dma_vaddr; 899 rirbwp = HDAC_READ_1(&sc->mem, HDAC_RIRBWP); 900#if 0 901 bus_dmamap_sync(sc->rirb_dma.dma_tag, sc->rirb_dma.dma_map, 902 BUS_DMASYNC_POSTREAD); 903#endif 904 905 ret = 0; 906 while (sc->rirb_rp != rirbwp) { 907 sc->rirb_rp++; 908 sc->rirb_rp %= sc->rirb_size; 909 rirb = &rirb_base[sc->rirb_rp]; 910 cad = HDAC_RIRB_RESPONSE_EX_SDATA_IN(rirb->response_ex); 911 resp = rirb->response; 912 if (rirb->response_ex & HDAC_RIRB_RESPONSE_EX_UNSOLICITED) { 913 sc->unsolq[sc->unsolq_wp++] = resp; 914 sc->unsolq_wp %= HDAC_UNSOLQ_MAX; 915 sc->unsolq[sc->unsolq_wp++] = cad; 916 sc->unsolq_wp %= HDAC_UNSOLQ_MAX; 917 } else if (sc->codecs[cad].pending <= 0) { 918 device_printf(sc->dev, "Unexpected unsolicited " 919 "response from address %d: %08x\n", cad, resp); 920 } else { 921 sc->codecs[cad].response = resp; 922 sc->codecs[cad].pending--; 923 } 924 ret++; 925 } 926 return (ret); 927} 928 929static int 930hdac_unsolq_flush(struct hdac_softc *sc) 931{ 932 device_t child; 933 nid_t cad; 934 uint32_t resp; 935 int ret = 0; 936 937 if (sc->unsolq_st == HDAC_UNSOLQ_READY) { 938 sc->unsolq_st = HDAC_UNSOLQ_BUSY; 939 while (sc->unsolq_rp != sc->unsolq_wp) { 940 resp = sc->unsolq[sc->unsolq_rp++]; 941 sc->unsolq_rp %= HDAC_UNSOLQ_MAX; 942 cad = sc->unsolq[sc->unsolq_rp++]; 943 sc->unsolq_rp %= HDAC_UNSOLQ_MAX; 944 if ((child = sc->codecs[cad].dev) != NULL) 945 HDAC_UNSOL_INTR(child, resp); 946 ret++; 947 } 948 sc->unsolq_st = HDAC_UNSOLQ_READY; 949 } 950 951 return (ret); 952} 953 954/**************************************************************************** 955 * uint32_t hdac_command_sendone_internal 956 * 957 * Wrapper function that sends only one command to a given codec 958 ****************************************************************************/ 959static uint32_t 960hdac_send_command(struct hdac_softc *sc, nid_t cad, uint32_t verb) 961{ 962 int timeout; 963 uint32_t *corb; 964 965 if (!hdac_lockowned(sc)) 966 device_printf(sc->dev, "WARNING!!!! mtx not owned!!!!\n"); 967 verb &= ~HDA_CMD_CAD_MASK; 968 verb |= ((uint32_t)cad) << HDA_CMD_CAD_SHIFT; 969 sc->codecs[cad].response = HDA_INVALID; 970 971 sc->codecs[cad].pending++; 972 sc->corb_wp++; 973 sc->corb_wp %= sc->corb_size; 974 corb = (uint32_t *)sc->corb_dma.dma_vaddr; 975#if 0 976 bus_dmamap_sync(sc->corb_dma.dma_tag, 977 sc->corb_dma.dma_map, BUS_DMASYNC_PREWRITE); 978#endif 979 corb[sc->corb_wp] = verb; 980#if 0 981 bus_dmamap_sync(sc->corb_dma.dma_tag, 982 sc->corb_dma.dma_map, BUS_DMASYNC_POSTWRITE); 983#endif 984 HDAC_WRITE_2(&sc->mem, HDAC_CORBWP, sc->corb_wp); 985 986 timeout = 10000; 987 do { 988 if (hdac_rirb_flush(sc) == 0) 989 DELAY(10); 990 } while (sc->codecs[cad].pending != 0 && --timeout); 991 992 if (sc->codecs[cad].pending != 0) { 993 device_printf(sc->dev, "Command timeout on address %d\n", cad); 994 sc->codecs[cad].pending = 0; 995 } 996 997 if (sc->unsolq_rp != sc->unsolq_wp) 998 taskqueue_enqueue(taskqueue_thread, &sc->unsolq_task); 999 return (sc->codecs[cad].response); 1000} 1001 1002/**************************************************************************** 1003 * Device Methods 1004 ****************************************************************************/ 1005 1006/**************************************************************************** 1007 * int hdac_probe(device_t) 1008 * 1009 * Probe for the presence of an hdac. If none is found, check for a generic 1010 * match using the subclass of the device. 1011 ****************************************************************************/ 1012static int 1013hdac_probe(device_t dev) 1014{ 1015 int i, result; 1016 uint32_t model; 1017 uint16_t class, subclass; 1018 char desc[64]; 1019 1020 model = (uint32_t)pci_get_device(dev) << 16; 1021 model |= (uint32_t)pci_get_vendor(dev) & 0x0000ffff; 1022 class = pci_get_class(dev); 1023 subclass = pci_get_subclass(dev); 1024 1025 bzero(desc, sizeof(desc)); 1026 result = ENXIO; 1027 for (i = 0; i < HDAC_DEVICES_LEN; i++) { 1028 if (hdac_devices[i].model == model) { 1029 strlcpy(desc, hdac_devices[i].desc, sizeof(desc)); 1030 result = BUS_PROBE_DEFAULT; 1031 break; 1032 } 1033 if (HDA_DEV_MATCH(hdac_devices[i].model, model) && 1034 class == PCIC_MULTIMEDIA && 1035 subclass == PCIS_MULTIMEDIA_HDA) { 1036 snprintf(desc, sizeof(desc), 1037 "%s (0x%04x)", 1038 hdac_devices[i].desc, pci_get_device(dev)); 1039 result = BUS_PROBE_GENERIC; 1040 break; 1041 } 1042 } 1043 if (result == ENXIO && class == PCIC_MULTIMEDIA && 1044 subclass == PCIS_MULTIMEDIA_HDA) { 1045 snprintf(desc, sizeof(desc), "Generic (0x%08x)", model); 1046 result = BUS_PROBE_GENERIC; 1047 } 1048 if (result != ENXIO) { 1049 strlcat(desc, " HDA Controller", sizeof(desc)); 1050 device_set_desc_copy(dev, desc); 1051 } 1052 1053 return (result); 1054} 1055 1056static void 1057hdac_unsolq_task(void *context, int pending) 1058{ 1059 struct hdac_softc *sc; 1060 1061 sc = (struct hdac_softc *)context; 1062 1063 hdac_lock(sc); 1064 hdac_unsolq_flush(sc); 1065 hdac_unlock(sc); 1066} 1067 1068/**************************************************************************** 1069 * int hdac_attach(device_t) 1070 * 1071 * Attach the device into the kernel. Interrupts usually won't be enabled 1072 * when this function is called. Setup everything that doesn't require 1073 * interrupts and defer probing of codecs until interrupts are enabled. 1074 ****************************************************************************/ 1075static int 1076hdac_attach(device_t dev) 1077{ 1078 struct hdac_softc *sc; 1079 int result; 1080 int i, devid = -1; 1081 uint32_t model; 1082 uint16_t class, subclass; 1083 uint16_t vendor; 1084 uint8_t v; 1085 1086 sc = device_get_softc(dev); 1087 HDA_BOOTVERBOSE( 1088 device_printf(dev, "PCI card vendor: 0x%04x, device: 0x%04x\n", 1089 pci_get_subvendor(dev), pci_get_subdevice(dev)); 1090 device_printf(dev, "HDA Driver Revision: %s\n", 1091 HDA_DRV_TEST_REV); 1092 ); 1093 1094 model = (uint32_t)pci_get_device(dev) << 16; 1095 model |= (uint32_t)pci_get_vendor(dev) & 0x0000ffff; 1096 class = pci_get_class(dev); 1097 subclass = pci_get_subclass(dev); 1098 1099 for (i = 0; i < HDAC_DEVICES_LEN; i++) { 1100 if (hdac_devices[i].model == model) { 1101 devid = i; 1102 break; 1103 } 1104 if (HDA_DEV_MATCH(hdac_devices[i].model, model) && 1105 class == PCIC_MULTIMEDIA && 1106 subclass == PCIS_MULTIMEDIA_HDA) { 1107 devid = i; 1108 break; 1109 } 1110 } 1111 1112 sc->lock = snd_mtxcreate(device_get_nameunit(dev), "HDA driver mutex"); 1113 sc->dev = dev; 1114 TASK_INIT(&sc->unsolq_task, 0, hdac_unsolq_task, sc); 1115 callout_init(&sc->poll_callout, CALLOUT_MPSAFE); 1116 for (i = 0; i < HDAC_CODEC_MAX; i++) 1117 sc->codecs[i].dev = NULL; 1118 if (devid >= 0) { 1119 sc->quirks_on = hdac_devices[devid].quirks_on; 1120 sc->quirks_off = hdac_devices[devid].quirks_off; 1121 } else { 1122 sc->quirks_on = 0; 1123 sc->quirks_off = 0; 1124 } 1125 if (resource_int_value(device_get_name(dev), 1126 device_get_unit(dev), "msi", &i) == 0) { 1127 if (i == 0) 1128 sc->quirks_off |= HDAC_QUIRK_MSI; 1129 else { 1130 sc->quirks_on |= HDAC_QUIRK_MSI; 1131 sc->quirks_off |= ~HDAC_QUIRK_MSI; 1132 } 1133 } 1134 hdac_config_fetch(sc, &sc->quirks_on, &sc->quirks_off); 1135 HDA_BOOTVERBOSE( 1136 device_printf(sc->dev, 1137 "Config options: on=0x%08x off=0x%08x\n", 1138 sc->quirks_on, sc->quirks_off); 1139 ); 1140 sc->poll_ival = hz; 1141 if (resource_int_value(device_get_name(dev), 1142 device_get_unit(dev), "polling", &i) == 0 && i != 0) 1143 sc->polling = 1; 1144 else 1145 sc->polling = 0; 1146 1147 pci_enable_busmaster(dev); 1148 1149 vendor = pci_get_vendor(dev); 1150 if (vendor == INTEL_VENDORID) { 1151 /* TCSEL -> TC0 */ 1152 v = pci_read_config(dev, 0x44, 1); 1153 pci_write_config(dev, 0x44, v & 0xf8, 1); 1154 HDA_BOOTHVERBOSE( 1155 device_printf(dev, "TCSEL: 0x%02d -> 0x%02d\n", v, 1156 pci_read_config(dev, 0x44, 1)); 1157 ); 1158 } 1159 1160#if defined(__i386__) || defined(__amd64__) 1161 sc->flags |= HDAC_F_DMA_NOCACHE; 1162 1163 if (resource_int_value(device_get_name(dev), 1164 device_get_unit(dev), "snoop", &i) == 0 && i != 0) { 1165#else 1166 sc->flags &= ~HDAC_F_DMA_NOCACHE; 1167#endif 1168 /* 1169 * Try to enable PCIe snoop to avoid messing around with 1170 * uncacheable DMA attribute. Since PCIe snoop register 1171 * config is pretty much vendor specific, there are no 1172 * general solutions on how to enable it, forcing us (even 1173 * Microsoft) to enable uncacheable or write combined DMA 1174 * by default. 1175 * 1176 * http://msdn2.microsoft.com/en-us/library/ms790324.aspx 1177 */ 1178 for (i = 0; i < HDAC_PCIESNOOP_LEN; i++) { 1179 if (hdac_pcie_snoop[i].vendor != vendor) 1180 continue; 1181 sc->flags &= ~HDAC_F_DMA_NOCACHE; 1182 if (hdac_pcie_snoop[i].reg == 0x00) 1183 break; 1184 v = pci_read_config(dev, hdac_pcie_snoop[i].reg, 1); 1185 if ((v & hdac_pcie_snoop[i].enable) == 1186 hdac_pcie_snoop[i].enable) 1187 break; 1188 v &= hdac_pcie_snoop[i].mask; 1189 v |= hdac_pcie_snoop[i].enable; 1190 pci_write_config(dev, hdac_pcie_snoop[i].reg, v, 1); 1191 v = pci_read_config(dev, hdac_pcie_snoop[i].reg, 1); 1192 if ((v & hdac_pcie_snoop[i].enable) != 1193 hdac_pcie_snoop[i].enable) { 1194 HDA_BOOTVERBOSE( 1195 device_printf(dev, 1196 "WARNING: Failed to enable PCIe " 1197 "snoop!\n"); 1198 ); 1199#if defined(__i386__) || defined(__amd64__) 1200 sc->flags |= HDAC_F_DMA_NOCACHE; 1201#endif 1202 } 1203 break; 1204 } 1205#if defined(__i386__) || defined(__amd64__) 1206 } 1207#endif 1208 1209 HDA_BOOTHVERBOSE( 1210 device_printf(dev, "DMA Coherency: %s / vendor=0x%04x\n", 1211 (sc->flags & HDAC_F_DMA_NOCACHE) ? 1212 "Uncacheable" : "PCIe snoop", vendor); 1213 ); 1214 1215 /* Allocate resources */ 1216 result = hdac_mem_alloc(sc); 1217 if (result != 0) 1218 goto hdac_attach_fail; 1219 result = hdac_irq_alloc(sc); 1220 if (result != 0) 1221 goto hdac_attach_fail; 1222 1223 /* Get Capabilities */ 1224 result = hdac_get_capabilities(sc); 1225 if (result != 0) 1226 goto hdac_attach_fail; 1227 1228 /* Allocate CORB, RIRB, POS and BDLs dma memory */ 1229 result = hdac_dma_alloc(sc, &sc->corb_dma, 1230 sc->corb_size * sizeof(uint32_t)); 1231 if (result != 0) 1232 goto hdac_attach_fail; 1233 result = hdac_dma_alloc(sc, &sc->rirb_dma, 1234 sc->rirb_size * sizeof(struct hdac_rirb)); 1235 if (result != 0) 1236 goto hdac_attach_fail; 1237 sc->streams = malloc(sizeof(struct hdac_stream) * sc->num_ss, 1238 M_HDAC, M_ZERO | M_WAITOK); 1239 for (i = 0; i < sc->num_ss; i++) { 1240 result = hdac_dma_alloc(sc, &sc->streams[i].bdl, 1241 sizeof(struct hdac_bdle) * HDA_BDL_MAX); 1242 if (result != 0) 1243 goto hdac_attach_fail; 1244 } 1245 if (sc->quirks_on & HDAC_QUIRK_DMAPOS) { 1246 if (hdac_dma_alloc(sc, &sc->pos_dma, (sc->num_ss) * 8) != 0) { 1247 HDA_BOOTVERBOSE( 1248 device_printf(dev, "Failed to " 1249 "allocate DMA pos buffer " 1250 "(non-fatal)\n"); 1251 ); 1252 } else { 1253 uint64_t addr = sc->pos_dma.dma_paddr; 1254 1255 HDAC_WRITE_4(&sc->mem, HDAC_DPIBUBASE, addr >> 32); 1256 HDAC_WRITE_4(&sc->mem, HDAC_DPIBLBASE, 1257 (addr & HDAC_DPLBASE_DPLBASE_MASK) | 1258 HDAC_DPLBASE_DPLBASE_DMAPBE); 1259 } 1260 } 1261 1262 result = bus_dma_tag_create( 1263 bus_get_dma_tag(sc->dev), /* parent */ 1264 HDA_DMA_ALIGNMENT, /* alignment */ 1265 0, /* boundary */ 1266 (sc->support_64bit) ? BUS_SPACE_MAXADDR : 1267 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */ 1268 BUS_SPACE_MAXADDR, /* highaddr */ 1269 NULL, /* filtfunc */ 1270 NULL, /* fistfuncarg */ 1271 HDA_BUFSZ_MAX, /* maxsize */ 1272 1, /* nsegments */ 1273 HDA_BUFSZ_MAX, /* maxsegsz */ 1274 0, /* flags */ 1275 NULL, /* lockfunc */ 1276 NULL, /* lockfuncarg */ 1277 &sc->chan_dmat); /* dmat */ 1278 if (result != 0) { 1279 device_printf(dev, "%s: bus_dma_tag_create failed (%x)\n", 1280 __func__, result); 1281 goto hdac_attach_fail; 1282 } 1283 1284 /* Quiesce everything */ 1285 HDA_BOOTHVERBOSE( 1286 device_printf(dev, "Reset controller...\n"); 1287 ); 1288 hdac_reset(sc, 1); 1289 1290 /* Initialize the CORB and RIRB */ 1291 hdac_corb_init(sc); 1292 hdac_rirb_init(sc); 1293 1294 /* Defer remaining of initialization until interrupts are enabled */ 1295 sc->intrhook.ich_func = hdac_attach2; 1296 sc->intrhook.ich_arg = (void *)sc; 1297 if (cold == 0 || config_intrhook_establish(&sc->intrhook) != 0) { 1298 sc->intrhook.ich_func = NULL; 1299 hdac_attach2((void *)sc); 1300 } 1301 1302 return (0); 1303 1304hdac_attach_fail: 1305 hdac_irq_free(sc); 1306 for (i = 0; i < sc->num_ss; i++) 1307 hdac_dma_free(sc, &sc->streams[i].bdl); 1308 free(sc->streams, M_HDAC); 1309 hdac_dma_free(sc, &sc->rirb_dma); 1310 hdac_dma_free(sc, &sc->corb_dma); 1311 hdac_mem_free(sc); 1312 snd_mtxfree(sc->lock); 1313 1314 return (ENXIO); 1315} 1316 1317static int 1318sysctl_hdac_pindump(SYSCTL_HANDLER_ARGS) 1319{ 1320 struct hdac_softc *sc; 1321 device_t *devlist; 1322 device_t dev; 1323 int devcount, i, err, val; 1324 1325 dev = oidp->oid_arg1; 1326 sc = device_get_softc(dev); 1327 if (sc == NULL) 1328 return (EINVAL); 1329 val = 0; 1330 err = sysctl_handle_int(oidp, &val, 0, req); 1331 if (err != 0 || req->newptr == NULL || val == 0) 1332 return (err); 1333 1334 /* XXX: Temporary. For debugging. */ 1335 if (val == 100) { 1336 hdac_suspend(dev); 1337 return (0); 1338 } else if (val == 101) { 1339 hdac_resume(dev); 1340 return (0); 1341 } 1342 1343 if ((err = device_get_children(dev, &devlist, &devcount)) != 0) 1344 return (err); 1345 hdac_lock(sc); 1346 for (i = 0; i < devcount; i++) 1347 HDAC_PINDUMP(devlist[i]); 1348 hdac_unlock(sc); 1349 free(devlist, M_TEMP); 1350 return (0); 1351} 1352 1353static int 1354hdac_mdata_rate(uint16_t fmt) 1355{ 1356 static const int mbits[8] = { 8, 16, 32, 32, 32, 32, 32, 32 }; 1357 int rate, bits; 1358 1359 if (fmt & (1 << 14)) 1360 rate = 44100; 1361 else 1362 rate = 48000; 1363 rate *= ((fmt >> 11) & 0x07) + 1; 1364 rate /= ((fmt >> 8) & 0x07) + 1; 1365 bits = mbits[(fmt >> 4) & 0x03]; 1366 bits *= (fmt & 0x0f) + 1; 1367 return (rate * bits); 1368} 1369 1370static int 1371hdac_bdata_rate(uint16_t fmt, int output) 1372{ 1373 static const int bbits[8] = { 8, 16, 20, 24, 32, 32, 32, 32 }; 1374 int rate, bits; 1375 1376 rate = 48000; 1377 rate *= ((fmt >> 11) & 0x07) + 1; 1378 bits = bbits[(fmt >> 4) & 0x03]; 1379 bits *= (fmt & 0x0f) + 1; 1380 if (!output) 1381 bits = ((bits + 7) & ~0x07) + 10; 1382 return (rate * bits); 1383} 1384 1385static void 1386hdac_poll_reinit(struct hdac_softc *sc) 1387{ 1388 int i, pollticks, min = 1000000; 1389 struct hdac_stream *s; 1390 1391 if (sc->polling == 0) 1392 return; 1393 if (sc->unsol_registered > 0) 1394 min = hz / 2; 1395 for (i = 0; i < sc->num_ss; i++) { 1396 s = &sc->streams[i]; 1397 if (s->running == 0) 1398 continue; 1399 pollticks = ((uint64_t)hz * s->blksz) / 1400 (hdac_mdata_rate(s->format) / 8); 1401 pollticks >>= 1; 1402 if (pollticks > hz) 1403 pollticks = hz; 1404 if (pollticks < 1) { 1405 HDA_BOOTVERBOSE( 1406 device_printf(sc->dev, 1407 "poll interval < 1 tick !\n"); 1408 ); 1409 pollticks = 1; 1410 } 1411 if (min > pollticks) 1412 min = pollticks; 1413 } 1414 HDA_BOOTVERBOSE( 1415 device_printf(sc->dev, 1416 "poll interval %d -> %d ticks\n", 1417 sc->poll_ival, min); 1418 ); 1419 sc->poll_ival = min; 1420 if (min == 1000000) 1421 callout_stop(&sc->poll_callout); 1422 else 1423 callout_reset(&sc->poll_callout, 1, hdac_poll_callback, sc); 1424} 1425 1426static int 1427sysctl_hdac_polling(SYSCTL_HANDLER_ARGS) 1428{ 1429 struct hdac_softc *sc; 1430 device_t dev; 1431 uint32_t ctl; 1432 int err, val; 1433 1434 dev = oidp->oid_arg1; 1435 sc = device_get_softc(dev); 1436 if (sc == NULL) 1437 return (EINVAL); 1438 hdac_lock(sc); 1439 val = sc->polling; 1440 hdac_unlock(sc); 1441 err = sysctl_handle_int(oidp, &val, 0, req); 1442 1443 if (err != 0 || req->newptr == NULL) 1444 return (err); 1445 if (val < 0 || val > 1) 1446 return (EINVAL); 1447 1448 hdac_lock(sc); 1449 if (val != sc->polling) { 1450 if (val == 0) { 1451 callout_stop(&sc->poll_callout); 1452 hdac_unlock(sc); 1453 callout_drain(&sc->poll_callout); 1454 hdac_lock(sc); 1455 sc->polling = 0; 1456 ctl = HDAC_READ_4(&sc->mem, HDAC_INTCTL); 1457 ctl |= HDAC_INTCTL_GIE; 1458 HDAC_WRITE_4(&sc->mem, HDAC_INTCTL, ctl); 1459 } else { 1460 ctl = HDAC_READ_4(&sc->mem, HDAC_INTCTL); 1461 ctl &= ~HDAC_INTCTL_GIE; 1462 HDAC_WRITE_4(&sc->mem, HDAC_INTCTL, ctl); 1463 sc->polling = 1; 1464 hdac_poll_reinit(sc); 1465 } 1466 } 1467 hdac_unlock(sc); 1468 1469 return (err); 1470} 1471 1472static void 1473hdac_attach2(void *arg) 1474{ 1475 struct hdac_softc *sc; 1476 device_t child; 1477 uint32_t vendorid, revisionid; 1478 int i; 1479 uint16_t statests; 1480 1481 sc = (struct hdac_softc *)arg; 1482 1483 hdac_lock(sc); 1484 1485 /* Remove ourselves from the config hooks */ 1486 if (sc->intrhook.ich_func != NULL) { 1487 config_intrhook_disestablish(&sc->intrhook); 1488 sc->intrhook.ich_func = NULL; 1489 } 1490 1491 HDA_BOOTHVERBOSE( 1492 device_printf(sc->dev, "Starting CORB Engine...\n"); 1493 ); 1494 hdac_corb_start(sc); 1495 HDA_BOOTHVERBOSE( 1496 device_printf(sc->dev, "Starting RIRB Engine...\n"); 1497 ); 1498 hdac_rirb_start(sc); 1499 HDA_BOOTHVERBOSE( 1500 device_printf(sc->dev, 1501 "Enabling controller interrupt...\n"); 1502 ); 1503 HDAC_WRITE_4(&sc->mem, HDAC_GCTL, HDAC_READ_4(&sc->mem, HDAC_GCTL) | 1504 HDAC_GCTL_UNSOL); 1505 if (sc->polling == 0) { 1506 HDAC_WRITE_4(&sc->mem, HDAC_INTCTL, 1507 HDAC_INTCTL_CIE | HDAC_INTCTL_GIE); 1508 } 1509 DELAY(1000); 1510 1511 HDA_BOOTHVERBOSE( 1512 device_printf(sc->dev, "Scanning HDA codecs ...\n"); 1513 ); 1514 statests = HDAC_READ_2(&sc->mem, HDAC_STATESTS); 1515 hdac_unlock(sc); 1516 for (i = 0; i < HDAC_CODEC_MAX; i++) { 1517 if (HDAC_STATESTS_SDIWAKE(statests, i)) { 1518 HDA_BOOTHVERBOSE( 1519 device_printf(sc->dev, 1520 "Found CODEC at address %d\n", i); 1521 ); 1522 hdac_lock(sc); 1523 vendorid = hdac_send_command(sc, i, 1524 HDA_CMD_GET_PARAMETER(0, 0x0, HDA_PARAM_VENDOR_ID)); 1525 revisionid = hdac_send_command(sc, i, 1526 HDA_CMD_GET_PARAMETER(0, 0x0, HDA_PARAM_REVISION_ID)); 1527 hdac_unlock(sc); 1528 if (vendorid == HDA_INVALID && 1529 revisionid == HDA_INVALID) { 1530 device_printf(sc->dev, 1531 "CODEC is not responding!\n"); 1532 continue; 1533 } 1534 sc->codecs[i].vendor_id = 1535 HDA_PARAM_VENDOR_ID_VENDOR_ID(vendorid); 1536 sc->codecs[i].device_id = 1537 HDA_PARAM_VENDOR_ID_DEVICE_ID(vendorid); 1538 sc->codecs[i].revision_id = 1539 HDA_PARAM_REVISION_ID_REVISION_ID(revisionid); 1540 sc->codecs[i].stepping_id = 1541 HDA_PARAM_REVISION_ID_STEPPING_ID(revisionid); 1542 child = device_add_child(sc->dev, "hdacc", -1); 1543 if (child == NULL) { 1544 device_printf(sc->dev, 1545 "Failed to add CODEC device\n"); 1546 continue; 1547 } 1548 device_set_ivars(child, (void *)(intptr_t)i); 1549 sc->codecs[i].dev = child; 1550 } 1551 } 1552 bus_generic_attach(sc->dev); 1553 1554 SYSCTL_ADD_PROC(device_get_sysctl_ctx(sc->dev), 1555 SYSCTL_CHILDREN(device_get_sysctl_tree(sc->dev)), OID_AUTO, 1556 "pindump", CTLTYPE_INT | CTLFLAG_RW, sc->dev, sizeof(sc->dev), 1557 sysctl_hdac_pindump, "I", "Dump pin states/data"); 1558 SYSCTL_ADD_PROC(device_get_sysctl_ctx(sc->dev), 1559 SYSCTL_CHILDREN(device_get_sysctl_tree(sc->dev)), OID_AUTO, 1560 "polling", CTLTYPE_INT | CTLFLAG_RW, sc->dev, sizeof(sc->dev), 1561 sysctl_hdac_polling, "I", "Enable polling mode"); 1562} 1563 1564/**************************************************************************** 1565 * int hdac_suspend(device_t) 1566 * 1567 * Suspend and power down HDA bus and codecs. 1568 ****************************************************************************/ 1569static int 1570hdac_suspend(device_t dev) 1571{ 1572 struct hdac_softc *sc = device_get_softc(dev); 1573 1574 HDA_BOOTHVERBOSE( 1575 device_printf(dev, "Suspend...\n"); 1576 ); 1577 bus_generic_suspend(dev); 1578 1579 hdac_lock(sc); 1580 HDA_BOOTHVERBOSE( 1581 device_printf(dev, "Reset controller...\n"); 1582 ); 1583 callout_stop(&sc->poll_callout); 1584 hdac_reset(sc, 0); 1585 hdac_unlock(sc); 1586 callout_drain(&sc->poll_callout); 1587 taskqueue_drain(taskqueue_thread, &sc->unsolq_task); 1588 HDA_BOOTHVERBOSE( 1589 device_printf(dev, "Suspend done\n"); 1590 ); 1591 return (0); 1592} 1593 1594/**************************************************************************** 1595 * int hdac_resume(device_t) 1596 * 1597 * Powerup and restore HDA bus and codecs state. 1598 ****************************************************************************/ 1599static int 1600hdac_resume(device_t dev) 1601{ 1602 struct hdac_softc *sc = device_get_softc(dev); 1603 int error; 1604 1605 HDA_BOOTHVERBOSE( 1606 device_printf(dev, "Resume...\n"); 1607 ); 1608 hdac_lock(sc); 1609 1610 /* Quiesce everything */ 1611 HDA_BOOTHVERBOSE( 1612 device_printf(dev, "Reset controller...\n"); 1613 ); 1614 hdac_reset(sc, 1); 1615 1616 /* Initialize the CORB and RIRB */ 1617 hdac_corb_init(sc); 1618 hdac_rirb_init(sc); 1619 1620 HDA_BOOTHVERBOSE( 1621 device_printf(dev, "Starting CORB Engine...\n"); 1622 ); 1623 hdac_corb_start(sc); 1624 HDA_BOOTHVERBOSE( 1625 device_printf(dev, "Starting RIRB Engine...\n"); 1626 ); 1627 hdac_rirb_start(sc); 1628 HDA_BOOTHVERBOSE( 1629 device_printf(dev, "Enabling controller interrupt...\n"); 1630 ); 1631 HDAC_WRITE_4(&sc->mem, HDAC_GCTL, HDAC_READ_4(&sc->mem, HDAC_GCTL) | 1632 HDAC_GCTL_UNSOL); 1633 HDAC_WRITE_4(&sc->mem, HDAC_INTCTL, HDAC_INTCTL_CIE | HDAC_INTCTL_GIE); 1634 DELAY(1000); 1635 hdac_poll_reinit(sc); 1636 hdac_unlock(sc); 1637 1638 error = bus_generic_resume(dev); 1639 HDA_BOOTHVERBOSE( 1640 device_printf(dev, "Resume done\n"); 1641 ); 1642 return (error); 1643} 1644 1645/**************************************************************************** 1646 * int hdac_detach(device_t) 1647 * 1648 * Detach and free up resources utilized by the hdac device. 1649 ****************************************************************************/ 1650static int 1651hdac_detach(device_t dev) 1652{ 1653 struct hdac_softc *sc = device_get_softc(dev); 1654 device_t *devlist; 1655 int cad, i, devcount, error; 1656 1657 if ((error = device_get_children(dev, &devlist, &devcount)) != 0) 1658 return (error); 1659 for (i = 0; i < devcount; i++) { 1660 cad = (intptr_t)device_get_ivars(devlist[i]); 1661 if ((error = device_delete_child(dev, devlist[i])) != 0) { 1662 free(devlist, M_TEMP); 1663 return (error); 1664 } 1665 sc->codecs[cad].dev = NULL; 1666 } 1667 free(devlist, M_TEMP); 1668 1669 hdac_lock(sc); 1670 hdac_reset(sc, 0); 1671 hdac_unlock(sc); 1672 taskqueue_drain(taskqueue_thread, &sc->unsolq_task); 1673 hdac_irq_free(sc); 1674 1675 for (i = 0; i < sc->num_ss; i++) 1676 hdac_dma_free(sc, &sc->streams[i].bdl); 1677 free(sc->streams, M_HDAC); 1678 hdac_dma_free(sc, &sc->pos_dma); 1679 hdac_dma_free(sc, &sc->rirb_dma); 1680 hdac_dma_free(sc, &sc->corb_dma); 1681 if (sc->chan_dmat != NULL) { 1682 bus_dma_tag_destroy(sc->chan_dmat); 1683 sc->chan_dmat = NULL; 1684 } 1685 hdac_mem_free(sc); 1686 snd_mtxfree(sc->lock); 1687 return (0); 1688} 1689 1690static bus_dma_tag_t 1691hdac_get_dma_tag(device_t dev, device_t child) 1692{ 1693 struct hdac_softc *sc = device_get_softc(dev); 1694 1695 return (sc->chan_dmat); 1696} 1697 1698static int 1699hdac_print_child(device_t dev, device_t child) 1700{ 1701 int retval; 1702 1703 retval = bus_print_child_header(dev, child); 1704 retval += printf(" at cad %d", 1705 (int)(intptr_t)device_get_ivars(child)); 1706 retval += bus_print_child_footer(dev, child); 1707 1708 return (retval); 1709} 1710 1711static int 1712hdac_child_location_str(device_t dev, device_t child, char *buf, 1713 size_t buflen) 1714{ 1715 1716 snprintf(buf, buflen, "cad=%d", 1717 (int)(intptr_t)device_get_ivars(child)); 1718 return (0); 1719} 1720 1721static int 1722hdac_child_pnpinfo_str_method(device_t dev, device_t child, char *buf, 1723 size_t buflen) 1724{ 1725 struct hdac_softc *sc = device_get_softc(dev); 1726 nid_t cad = (uintptr_t)device_get_ivars(child); 1727 1728 snprintf(buf, buflen, "vendor=0x%04x device=0x%04x revision=0x%02x " 1729 "stepping=0x%02x", 1730 sc->codecs[cad].vendor_id, sc->codecs[cad].device_id, 1731 sc->codecs[cad].revision_id, sc->codecs[cad].stepping_id); 1732 return (0); 1733} 1734 1735static int 1736hdac_read_ivar(device_t dev, device_t child, int which, uintptr_t *result) 1737{ 1738 struct hdac_softc *sc = device_get_softc(dev); 1739 nid_t cad = (uintptr_t)device_get_ivars(child); 1740 1741 switch (which) { 1742 case HDA_IVAR_CODEC_ID: 1743 *result = cad; 1744 break; 1745 case HDA_IVAR_VENDOR_ID: 1746 *result = sc->codecs[cad].vendor_id; 1747 break; 1748 case HDA_IVAR_DEVICE_ID: 1749 *result = sc->codecs[cad].device_id; 1750 break; 1751 case HDA_IVAR_REVISION_ID: 1752 *result = sc->codecs[cad].revision_id; 1753 break; 1754 case HDA_IVAR_STEPPING_ID: 1755 *result = sc->codecs[cad].stepping_id; 1756 break; 1757 case HDA_IVAR_SUBVENDOR_ID: 1758 *result = pci_get_subvendor(dev); 1759 break; 1760 case HDA_IVAR_SUBDEVICE_ID: 1761 *result = pci_get_subdevice(dev); 1762 break; 1763 case HDA_IVAR_DMA_NOCACHE: 1764 *result = (sc->flags & HDAC_F_DMA_NOCACHE) != 0; 1765 break; 1766 default: 1767 return (ENOENT); 1768 } 1769 return (0); 1770} 1771 1772static struct mtx * 1773hdac_get_mtx(device_t dev, device_t child) 1774{ 1775 struct hdac_softc *sc = device_get_softc(dev); 1776 1777 return (sc->lock); 1778} 1779 1780static uint32_t 1781hdac_codec_command(device_t dev, device_t child, uint32_t verb) 1782{ 1783 1784 return (hdac_send_command(device_get_softc(dev), 1785 (intptr_t)device_get_ivars(child), verb)); 1786} 1787 1788static int 1789hdac_find_stream(struct hdac_softc *sc, int dir, int stream) 1790{ 1791 int i, ss; 1792 1793 ss = -1; 1794 /* Allocate ISS/BSS first. */ 1795 if (dir == 0) { 1796 for (i = 0; i < sc->num_iss; i++) { 1797 if (sc->streams[i].stream == stream) { 1798 ss = i; 1799 break; 1800 } 1801 } 1802 } else { 1803 for (i = 0; i < sc->num_oss; i++) { 1804 if (sc->streams[i + sc->num_iss].stream == stream) { 1805 ss = i + sc->num_iss; 1806 break; 1807 } 1808 } 1809 } 1810 /* Fallback to BSS. */ 1811 if (ss == -1) { 1812 for (i = 0; i < sc->num_bss; i++) { 1813 if (sc->streams[i + sc->num_iss + sc->num_oss].stream 1814 == stream) { 1815 ss = i + sc->num_iss + sc->num_oss; 1816 break; 1817 } 1818 } 1819 } 1820 return (ss); 1821} 1822 1823static int 1824hdac_stream_alloc(device_t dev, device_t child, int dir, int format, int stripe, 1825 uint32_t **dmapos) 1826{ 1827 struct hdac_softc *sc = device_get_softc(dev); 1828 nid_t cad = (uintptr_t)device_get_ivars(child); 1829 int stream, ss, bw, maxbw, prevbw; 1830 1831 /* Look for empty stream. */ 1832 ss = hdac_find_stream(sc, dir, 0); 1833 1834 /* Return if found nothing. */ 1835 if (ss < 0) 1836 return (0); 1837 1838 /* Check bus bandwidth. */ 1839 bw = hdac_bdata_rate(format, dir); 1840 if (dir == 1) { 1841 bw *= 1 << (sc->num_sdo - stripe); 1842 prevbw = sc->sdo_bw_used; 1843 maxbw = 48000 * 960 * (1 << sc->num_sdo); 1844 } else { 1845 prevbw = sc->codecs[cad].sdi_bw_used; 1846 maxbw = 48000 * 464; 1847 } 1848 HDA_BOOTHVERBOSE( 1849 device_printf(dev, "%dKbps of %dKbps bandwidth used%s\n", 1850 (bw + prevbw) / 1000, maxbw / 1000, 1851 bw + prevbw > maxbw ? " -- OVERFLOW!" : ""); 1852 ); 1853 if (bw + prevbw > maxbw) 1854 return (0); 1855 if (dir == 1) 1856 sc->sdo_bw_used += bw; 1857 else 1858 sc->codecs[cad].sdi_bw_used += bw; 1859 1860 /* Allocate stream number */ 1861 if (ss >= sc->num_iss + sc->num_oss) 1862 stream = 15 - (ss - sc->num_iss + sc->num_oss); 1863 else if (ss >= sc->num_iss) 1864 stream = ss - sc->num_iss + 1; 1865 else 1866 stream = ss + 1; 1867 1868 sc->streams[ss].dev = child; 1869 sc->streams[ss].dir = dir; 1870 sc->streams[ss].stream = stream; 1871 sc->streams[ss].bw = bw; 1872 sc->streams[ss].format = format; 1873 sc->streams[ss].stripe = stripe; 1874 if (dmapos != NULL) { 1875 if (sc->pos_dma.dma_vaddr != NULL) 1876 *dmapos = (uint32_t *)(sc->pos_dma.dma_vaddr + ss * 8); 1877 else 1878 *dmapos = NULL; 1879 } 1880 return (stream); 1881} 1882 1883static void 1884hdac_stream_free(device_t dev, device_t child, int dir, int stream) 1885{ 1886 struct hdac_softc *sc = device_get_softc(dev); 1887 nid_t cad = (uintptr_t)device_get_ivars(child); 1888 int ss; 1889 1890 ss = hdac_find_stream(sc, dir, stream); 1891 KASSERT(ss >= 0, 1892 ("Free for not allocated stream (%d/%d)\n", dir, stream)); 1893 if (dir == 1) 1894 sc->sdo_bw_used -= sc->streams[ss].bw; 1895 else 1896 sc->codecs[cad].sdi_bw_used -= sc->streams[ss].bw; 1897 sc->streams[ss].stream = 0; 1898 sc->streams[ss].dev = NULL; 1899} 1900 1901static int 1902hdac_stream_start(device_t dev, device_t child, 1903 int dir, int stream, bus_addr_t buf, int blksz, int blkcnt) 1904{ 1905 struct hdac_softc *sc = device_get_softc(dev); 1906 struct hdac_bdle *bdle; 1907 uint64_t addr; 1908 int i, ss, off; 1909 uint32_t ctl; 1910 1911 ss = hdac_find_stream(sc, dir, stream); 1912 KASSERT(ss >= 0, 1913 ("Start for not allocated stream (%d/%d)\n", dir, stream)); 1914 1915 addr = (uint64_t)buf; 1916 bdle = (struct hdac_bdle *)sc->streams[ss].bdl.dma_vaddr; 1917 for (i = 0; i < blkcnt; i++, bdle++) { 1918 bdle->addrl = (uint32_t)addr; 1919 bdle->addrh = (uint32_t)(addr >> 32); 1920 bdle->len = blksz; 1921 bdle->ioc = 1; 1922 addr += blksz; 1923 } 1924 1925 off = ss << 5; 1926 HDAC_WRITE_4(&sc->mem, off + HDAC_SDCBL, blksz * blkcnt); 1927 HDAC_WRITE_2(&sc->mem, off + HDAC_SDLVI, blkcnt - 1); 1928 addr = sc->streams[ss].bdl.dma_paddr; 1929 HDAC_WRITE_4(&sc->mem, off + HDAC_SDBDPL, (uint32_t)addr); 1930 HDAC_WRITE_4(&sc->mem, off + HDAC_SDBDPU, (uint32_t)(addr >> 32)); 1931 1932 ctl = HDAC_READ_1(&sc->mem, off + HDAC_SDCTL2); 1933 if (dir) 1934 ctl |= HDAC_SDCTL2_DIR; 1935 else 1936 ctl &= ~HDAC_SDCTL2_DIR; 1937 ctl &= ~HDAC_SDCTL2_STRM_MASK; 1938 ctl |= stream << HDAC_SDCTL2_STRM_SHIFT; 1939 ctl &= ~HDAC_SDCTL2_STRIPE_MASK; 1940 ctl |= sc->streams[ss].stripe << HDAC_SDCTL2_STRIPE_SHIFT; 1941 HDAC_WRITE_1(&sc->mem, off + HDAC_SDCTL2, ctl); 1942 1943 HDAC_WRITE_2(&sc->mem, off + HDAC_SDFMT, sc->streams[ss].format); 1944 1945 ctl = HDAC_READ_4(&sc->mem, HDAC_INTCTL); 1946 ctl |= 1 << ss; 1947 HDAC_WRITE_4(&sc->mem, HDAC_INTCTL, ctl); 1948 1949 HDAC_WRITE_1(&sc->mem, off + HDAC_SDSTS, 1950 HDAC_SDSTS_DESE | HDAC_SDSTS_FIFOE | HDAC_SDSTS_BCIS); 1951 ctl = HDAC_READ_1(&sc->mem, off + HDAC_SDCTL0); 1952 ctl |= HDAC_SDCTL_IOCE | HDAC_SDCTL_FEIE | HDAC_SDCTL_DEIE | 1953 HDAC_SDCTL_RUN; 1954 HDAC_WRITE_1(&sc->mem, off + HDAC_SDCTL0, ctl); 1955 1956 sc->streams[ss].blksz = blksz; 1957 sc->streams[ss].running = 1; 1958 hdac_poll_reinit(sc); 1959 return (0); 1960} 1961 1962static void 1963hdac_stream_stop(device_t dev, device_t child, int dir, int stream) 1964{ 1965 struct hdac_softc *sc = device_get_softc(dev); 1966 int ss, off; 1967 uint32_t ctl; 1968 1969 ss = hdac_find_stream(sc, dir, stream); 1970 KASSERT(ss >= 0, 1971 ("Stop for not allocated stream (%d/%d)\n", dir, stream)); 1972 1973 off = ss << 5; 1974 ctl = HDAC_READ_1(&sc->mem, off + HDAC_SDCTL0); 1975 ctl &= ~(HDAC_SDCTL_IOCE | HDAC_SDCTL_FEIE | HDAC_SDCTL_DEIE | 1976 HDAC_SDCTL_RUN); 1977 HDAC_WRITE_1(&sc->mem, off + HDAC_SDCTL0, ctl); 1978 1979 ctl = HDAC_READ_4(&sc->mem, HDAC_INTCTL); 1980 ctl &= ~(1 << ss); 1981 HDAC_WRITE_4(&sc->mem, HDAC_INTCTL, ctl); 1982 1983 sc->streams[ss].running = 0; 1984 hdac_poll_reinit(sc); 1985} 1986 1987static void 1988hdac_stream_reset(device_t dev, device_t child, int dir, int stream) 1989{ 1990 struct hdac_softc *sc = device_get_softc(dev); 1991 int timeout = 1000; 1992 int to = timeout; 1993 int ss, off; 1994 uint32_t ctl; 1995 1996 ss = hdac_find_stream(sc, dir, stream); 1997 KASSERT(ss >= 0, 1998 ("Reset for not allocated stream (%d/%d)\n", dir, stream)); 1999 2000 off = ss << 5; 2001 ctl = HDAC_READ_1(&sc->mem, off + HDAC_SDCTL0); 2002 ctl |= HDAC_SDCTL_SRST; 2003 HDAC_WRITE_1(&sc->mem, off + HDAC_SDCTL0, ctl); 2004 do { 2005 ctl = HDAC_READ_1(&sc->mem, off + HDAC_SDCTL0); 2006 if (ctl & HDAC_SDCTL_SRST) 2007 break; 2008 DELAY(10); 2009 } while (--to); 2010 if (!(ctl & HDAC_SDCTL_SRST)) 2011 device_printf(dev, "Reset setting timeout\n"); 2012 ctl &= ~HDAC_SDCTL_SRST; 2013 HDAC_WRITE_1(&sc->mem, off + HDAC_SDCTL0, ctl); 2014 to = timeout; 2015 do { 2016 ctl = HDAC_READ_1(&sc->mem, off + HDAC_SDCTL0); 2017 if (!(ctl & HDAC_SDCTL_SRST)) 2018 break; 2019 DELAY(10); 2020 } while (--to); 2021 if (ctl & HDAC_SDCTL_SRST) 2022 device_printf(dev, "Reset timeout!\n"); 2023} 2024 2025static uint32_t 2026hdac_stream_getptr(device_t dev, device_t child, int dir, int stream) 2027{ 2028 struct hdac_softc *sc = device_get_softc(dev); 2029 int ss, off; 2030 2031 ss = hdac_find_stream(sc, dir, stream); 2032 KASSERT(ss >= 0, 2033 ("Reset for not allocated stream (%d/%d)\n", dir, stream)); 2034 2035 off = ss << 5; 2036 return (HDAC_READ_4(&sc->mem, off + HDAC_SDLPIB)); 2037} 2038 2039static int 2040hdac_unsol_alloc(device_t dev, device_t child, int tag) 2041{ 2042 struct hdac_softc *sc = device_get_softc(dev); 2043 2044 sc->unsol_registered++; 2045 hdac_poll_reinit(sc); 2046 return (tag); 2047} 2048 2049static void 2050hdac_unsol_free(device_t dev, device_t child, int tag) 2051{ 2052 struct hdac_softc *sc = device_get_softc(dev); 2053 2054 sc->unsol_registered--; 2055 hdac_poll_reinit(sc); 2056} 2057 2058static device_method_t hdac_methods[] = { 2059 /* device interface */ 2060 DEVMETHOD(device_probe, hdac_probe), 2061 DEVMETHOD(device_attach, hdac_attach), 2062 DEVMETHOD(device_detach, hdac_detach), 2063 DEVMETHOD(device_suspend, hdac_suspend), 2064 DEVMETHOD(device_resume, hdac_resume), 2065 /* Bus interface */ 2066 DEVMETHOD(bus_get_dma_tag, hdac_get_dma_tag), 2067 DEVMETHOD(bus_print_child, hdac_print_child), 2068 DEVMETHOD(bus_child_location_str, hdac_child_location_str), 2069 DEVMETHOD(bus_child_pnpinfo_str, hdac_child_pnpinfo_str_method), 2070 DEVMETHOD(bus_read_ivar, hdac_read_ivar), 2071 DEVMETHOD(hdac_get_mtx, hdac_get_mtx), 2072 DEVMETHOD(hdac_codec_command, hdac_codec_command), 2073 DEVMETHOD(hdac_stream_alloc, hdac_stream_alloc), 2074 DEVMETHOD(hdac_stream_free, hdac_stream_free), 2075 DEVMETHOD(hdac_stream_start, hdac_stream_start), 2076 DEVMETHOD(hdac_stream_stop, hdac_stream_stop), 2077 DEVMETHOD(hdac_stream_reset, hdac_stream_reset), 2078 DEVMETHOD(hdac_stream_getptr, hdac_stream_getptr), 2079 DEVMETHOD(hdac_unsol_alloc, hdac_unsol_alloc), 2080 DEVMETHOD(hdac_unsol_free, hdac_unsol_free), 2081 { 0, 0 } 2082}; 2083 2084static driver_t hdac_driver = { 2085 "hdac", 2086 hdac_methods, 2087 sizeof(struct hdac_softc), 2088}; 2089 2090static devclass_t hdac_devclass; 2091 2092DRIVER_MODULE(snd_hda, pci, hdac_driver, hdac_devclass, 0, 0); 2093