1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2006 Stephane E. Potvin <sepotvin@videotron.ca> 5 * Copyright (c) 2006 Ariff Abdullah <ariff@FreeBSD.org> 6 * Copyright (c) 2008-2012 Alexander Motin <mav@FreeBSD.org> 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 /* 32 * Intel High Definition Audio (Controller) driver for FreeBSD. 33 */ 34 35 #ifdef HAVE_KERNEL_OPTION_HEADERS 36 #include "opt_snd.h" 37 #endif 38 39 #include <dev/sound/pcm/sound.h> 40 #include <dev/pci/pcireg.h> 41 #include <dev/pci/pcivar.h> 42 43 #include <sys/ctype.h> 44 #include <sys/endian.h> 45 #include <sys/taskqueue.h> 46 47 #include <dev/sound/pci/hda/hdac_private.h> 48 #include <dev/sound/pci/hda/hdac_reg.h> 49 #include <dev/sound/pci/hda/hda_reg.h> 50 #include <dev/sound/pci/hda/hdac.h> 51 52 #define HDA_DRV_TEST_REV "20120126_0002" 53 54 #define hdac_lock(sc) snd_mtxlock((sc)->lock) 55 #define hdac_unlock(sc) snd_mtxunlock((sc)->lock) 56 #define hdac_lockassert(sc) snd_mtxassert((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 62 static const struct { 63 const char *key; 64 uint32_t value; 65 } hdac_quirks_tab[] = { 66 { "64bit", HDAC_QUIRK_64BIT }, 67 { "dmapos", HDAC_QUIRK_DMAPOS }, 68 { "msi", HDAC_QUIRK_MSI }, 69 }; 70 71 MALLOC_DEFINE(M_HDAC, "hdac", "HDA Controller"); 72 73 static const struct { 74 uint32_t model; 75 const char *desc; 76 char quirks_on; 77 char quirks_off; 78 } hdac_devices[] = { 79 { HDA_INTEL_OAK, "Intel Oaktrail", 0, 0 }, 80 { HDA_INTEL_CMLKLP, "Intel Comet Lake-LP", 0, 0 }, 81 { HDA_INTEL_CMLKH, "Intel Comet Lake-H", 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_BDW1, "Intel Broadwell", 0, 0 }, 87 { HDA_INTEL_BDW2, "Intel Broadwell", 0, 0 }, 88 { HDA_INTEL_BXTNT, "Intel Broxton-T", 0, 0 }, 89 { HDA_INTEL_CPT, "Intel Cougar Point", 0, 0 }, 90 { HDA_INTEL_PATSBURG,"Intel Patsburg", 0, 0 }, 91 { HDA_INTEL_PPT1, "Intel Panther Point", 0, 0 }, 92 { HDA_INTEL_BR, "Intel Braswell", 0, 0 }, 93 { HDA_INTEL_LPT1, "Intel Lynx Point", 0, 0 }, 94 { HDA_INTEL_LPT2, "Intel Lynx Point", 0, 0 }, 95 { HDA_INTEL_WCPT, "Intel Wildcat Point", 0, 0 }, 96 { HDA_INTEL_WELLS1, "Intel Wellsburg", 0, 0 }, 97 { HDA_INTEL_WELLS2, "Intel Wellsburg", 0, 0 }, 98 { HDA_INTEL_LPTLP1, "Intel Lynx Point-LP", 0, 0 }, 99 { HDA_INTEL_LPTLP2, "Intel Lynx Point-LP", 0, 0 }, 100 { HDA_INTEL_SRPTLP, "Intel Sunrise Point-LP", 0, 0 }, 101 { HDA_INTEL_KBLKLP, "Intel Kaby Lake-LP", 0, 0 }, 102 { HDA_INTEL_SRPT, "Intel Sunrise Point", 0, 0 }, 103 { HDA_INTEL_KBLK, "Intel Kaby Lake", 0, 0 }, 104 { HDA_INTEL_KBLKH, "Intel Kaby Lake-H", 0, 0 }, 105 { HDA_INTEL_CFLK, "Intel Coffee Lake", 0, 0 }, 106 { HDA_INTEL_CMLKS, "Intel Comet Lake-S", 0, 0 }, 107 { HDA_INTEL_CNLK, "Intel Cannon Lake", 0, 0 }, 108 { HDA_INTEL_ICLK, "Intel Ice Lake", 0, 0 }, 109 { HDA_INTEL_CMLKLP, "Intel Comet Lake-LP", 0, 0 }, 110 { HDA_INTEL_CMLKH, "Intel Comet Lake-H", 0, 0 }, 111 { HDA_INTEL_TGLK, "Intel Tiger Lake", 0, 0 }, 112 { HDA_INTEL_GMLK, "Intel Gemini Lake", 0, 0 }, 113 { HDA_INTEL_ALLK, "Intel Alder Lake", 0, 0 }, 114 { HDA_INTEL_ALLKM, "Intel Alder Lake-M", 0, 0 }, 115 { HDA_INTEL_ALLKN, "Intel Alder Lake-N", 0, 0 }, 116 { HDA_INTEL_ALLKP1, "Intel Alder Lake-P", 0, 0 }, 117 { HDA_INTEL_ALLKP2, "Intel Alder Lake-P", 0, 0 }, 118 { HDA_INTEL_ALLKPS, "Intel Alder Lake-PS", 0, 0 }, 119 { HDA_INTEL_RPTLK1, "Intel Raptor Lake-P", 0, 0 }, 120 { HDA_INTEL_RPTLK2, "Intel Raptor Lake-P", 0, 0 }, 121 { HDA_INTEL_82801F, "Intel 82801F", 0, 0 }, 122 { HDA_INTEL_63XXESB, "Intel 631x/632xESB", 0, 0 }, 123 { HDA_INTEL_82801G, "Intel 82801G", 0, 0 }, 124 { HDA_INTEL_82801H, "Intel 82801H", 0, 0 }, 125 { HDA_INTEL_82801I, "Intel 82801I", 0, 0 }, 126 { HDA_INTEL_JLK, "Intel Jasper Lake", 0, 0 }, 127 { HDA_INTEL_82801JI, "Intel 82801JI", 0, 0 }, 128 { HDA_INTEL_82801JD, "Intel 82801JD", 0, 0 }, 129 { HDA_INTEL_PCH, "Intel Ibex Peak", 0, 0 }, 130 { HDA_INTEL_PCH2, "Intel Ibex Peak", 0, 0 }, 131 { HDA_INTEL_ELLK, "Intel Elkhart Lake", 0, 0 }, 132 { HDA_INTEL_JLK2, "Intel Jasper Lake", 0, 0 }, 133 { HDA_INTEL_BXTNP, "Intel Broxton-P", 0, 0 }, 134 { HDA_INTEL_SCH, "Intel SCH", 0, 0 }, 135 { HDA_NVIDIA_MCP51, "NVIDIA MCP51", 0, HDAC_QUIRK_MSI }, 136 { HDA_NVIDIA_MCP55, "NVIDIA MCP55", 0, HDAC_QUIRK_MSI }, 137 { HDA_NVIDIA_MCP61_1, "NVIDIA MCP61", 0, 0 }, 138 { HDA_NVIDIA_MCP61_2, "NVIDIA MCP61", 0, 0 }, 139 { HDA_NVIDIA_MCP65_1, "NVIDIA MCP65", 0, 0 }, 140 { HDA_NVIDIA_MCP65_2, "NVIDIA MCP65", 0, 0 }, 141 { HDA_NVIDIA_MCP67_1, "NVIDIA MCP67", 0, 0 }, 142 { HDA_NVIDIA_MCP67_2, "NVIDIA MCP67", 0, 0 }, 143 { HDA_NVIDIA_MCP73_1, "NVIDIA MCP73", 0, 0 }, 144 { HDA_NVIDIA_MCP73_2, "NVIDIA MCP73", 0, 0 }, 145 { HDA_NVIDIA_MCP78_1, "NVIDIA MCP78", 0, HDAC_QUIRK_64BIT }, 146 { HDA_NVIDIA_MCP78_2, "NVIDIA MCP78", 0, HDAC_QUIRK_64BIT }, 147 { HDA_NVIDIA_MCP78_3, "NVIDIA MCP78", 0, HDAC_QUIRK_64BIT }, 148 { HDA_NVIDIA_MCP78_4, "NVIDIA MCP78", 0, HDAC_QUIRK_64BIT }, 149 { HDA_NVIDIA_MCP79_1, "NVIDIA MCP79", 0, 0 }, 150 { HDA_NVIDIA_MCP79_2, "NVIDIA MCP79", 0, 0 }, 151 { HDA_NVIDIA_MCP79_3, "NVIDIA MCP79", 0, 0 }, 152 { HDA_NVIDIA_MCP79_4, "NVIDIA MCP79", 0, 0 }, 153 { HDA_NVIDIA_MCP89_1, "NVIDIA MCP89", 0, 0 }, 154 { HDA_NVIDIA_MCP89_2, "NVIDIA MCP89", 0, 0 }, 155 { HDA_NVIDIA_MCP89_3, "NVIDIA MCP89", 0, 0 }, 156 { HDA_NVIDIA_MCP89_4, "NVIDIA MCP89", 0, 0 }, 157 { HDA_NVIDIA_0BE2, "NVIDIA (0x0be2)", 0, HDAC_QUIRK_MSI }, 158 { HDA_NVIDIA_0BE3, "NVIDIA (0x0be3)", 0, HDAC_QUIRK_MSI }, 159 { HDA_NVIDIA_0BE4, "NVIDIA (0x0be4)", 0, HDAC_QUIRK_MSI }, 160 { HDA_NVIDIA_GT100, "NVIDIA GT100", 0, HDAC_QUIRK_MSI }, 161 { HDA_NVIDIA_GT104, "NVIDIA GT104", 0, HDAC_QUIRK_MSI }, 162 { HDA_NVIDIA_GT106, "NVIDIA GT106", 0, HDAC_QUIRK_MSI }, 163 { HDA_NVIDIA_GT108, "NVIDIA GT108", 0, HDAC_QUIRK_MSI }, 164 { HDA_NVIDIA_GT116, "NVIDIA GT116", 0, HDAC_QUIRK_MSI }, 165 { HDA_NVIDIA_GF119, "NVIDIA GF119", 0, 0 }, 166 { HDA_NVIDIA_GF110_1, "NVIDIA GF110", 0, HDAC_QUIRK_MSI }, 167 { HDA_NVIDIA_GF110_2, "NVIDIA GF110", 0, HDAC_QUIRK_MSI }, 168 { HDA_ATI_SB450, "ATI SB450", 0, 0 }, 169 { HDA_ATI_SB600, "ATI SB600", 0, 0 }, 170 { HDA_ATI_RS600, "ATI RS600", 0, 0 }, 171 { HDA_ATI_RS690, "ATI RS690", 0, 0 }, 172 { HDA_ATI_RS780, "ATI RS780", 0, 0 }, 173 { HDA_ATI_RS880, "ATI RS880", 0, 0 }, 174 { HDA_ATI_R600, "ATI R600", 0, 0 }, 175 { HDA_ATI_RV610, "ATI RV610", 0, 0 }, 176 { HDA_ATI_RV620, "ATI RV620", 0, 0 }, 177 { HDA_ATI_RV630, "ATI RV630", 0, 0 }, 178 { HDA_ATI_RV635, "ATI RV635", 0, 0 }, 179 { HDA_ATI_RV710, "ATI RV710", 0, 0 }, 180 { HDA_ATI_RV730, "ATI RV730", 0, 0 }, 181 { HDA_ATI_RV740, "ATI RV740", 0, 0 }, 182 { HDA_ATI_RV770, "ATI RV770", 0, 0 }, 183 { HDA_ATI_RV810, "ATI RV810", 0, 0 }, 184 { HDA_ATI_RV830, "ATI RV830", 0, 0 }, 185 { HDA_ATI_RV840, "ATI RV840", 0, 0 }, 186 { HDA_ATI_RV870, "ATI RV870", 0, 0 }, 187 { HDA_ATI_RV910, "ATI RV910", 0, 0 }, 188 { HDA_ATI_RV930, "ATI RV930", 0, 0 }, 189 { HDA_ATI_RV940, "ATI RV940", 0, 0 }, 190 { HDA_ATI_RV970, "ATI RV970", 0, 0 }, 191 { HDA_ATI_R1000, "ATI R1000", 0, 0 }, 192 { HDA_ATI_KABINI, "ATI Kabini", 0, 0 }, 193 { HDA_ATI_TRINITY, "ATI Trinity", 0, 0 }, 194 { HDA_AMD_X370, "AMD X370", 0, 0 }, 195 { HDA_AMD_X570, "AMD X570", 0, 0 }, 196 { HDA_AMD_STONEY, "AMD Stoney", 0, 0 }, 197 { HDA_AMD_RAVEN, "AMD Raven", 0, 0 }, 198 { HDA_AMD_HUDSON2, "AMD Hudson-2", 0, 0 }, 199 { HDA_RDC_M3010, "RDC M3010", 0, 0 }, 200 { HDA_VIA_VT82XX, "VIA VT8251/8237A",0, 0 }, 201 { HDA_VMWARE, "VMware", 0, 0 }, 202 { HDA_SIS_966, "SiS 966/968", 0, 0 }, 203 { HDA_ULI_M5461, "ULI M5461", 0, 0 }, 204 /* Unknown */ 205 { HDA_INTEL_ALL, "Intel", 0, 0 }, 206 { HDA_NVIDIA_ALL, "NVIDIA", 0, 0 }, 207 { HDA_ATI_ALL, "ATI", 0, 0 }, 208 { HDA_AMD_ALL, "AMD", 0, 0 }, 209 { HDA_CREATIVE_ALL, "Creative", 0, 0 }, 210 { HDA_VIA_ALL, "VIA", 0, 0 }, 211 { HDA_VMWARE_ALL, "VMware", 0, 0 }, 212 { HDA_SIS_ALL, "SiS", 0, 0 }, 213 { HDA_ULI_ALL, "ULI", 0, 0 }, 214 }; 215 216 static const struct { 217 uint16_t vendor; 218 uint8_t reg; 219 uint8_t mask; 220 uint8_t enable; 221 } hdac_pcie_snoop[] = { 222 { INTEL_VENDORID, 0x00, 0x00, 0x00 }, 223 { ATI_VENDORID, 0x42, 0xf8, 0x02 }, 224 { AMD_VENDORID, 0x42, 0xf8, 0x02 }, 225 { NVIDIA_VENDORID, 0x4e, 0xf0, 0x0f }, 226 }; 227 228 /**************************************************************************** 229 * Function prototypes 230 ****************************************************************************/ 231 static void hdac_intr_handler(void *); 232 static int hdac_reset(struct hdac_softc *, bool); 233 static int hdac_get_capabilities(struct hdac_softc *); 234 static void hdac_dma_cb(void *, bus_dma_segment_t *, int, int); 235 static int hdac_dma_alloc(struct hdac_softc *, 236 struct hdac_dma *, bus_size_t); 237 static void hdac_dma_free(struct hdac_softc *, struct hdac_dma *); 238 static int hdac_mem_alloc(struct hdac_softc *); 239 static void hdac_mem_free(struct hdac_softc *); 240 static int hdac_irq_alloc(struct hdac_softc *); 241 static void hdac_irq_free(struct hdac_softc *); 242 static void hdac_corb_init(struct hdac_softc *); 243 static void hdac_rirb_init(struct hdac_softc *); 244 static void hdac_corb_start(struct hdac_softc *); 245 static void hdac_rirb_start(struct hdac_softc *); 246 247 static void hdac_attach2(void *); 248 249 static uint32_t hdac_send_command(struct hdac_softc *, nid_t, uint32_t); 250 251 static int hdac_probe(device_t); 252 static int hdac_attach(device_t); 253 static int hdac_detach(device_t); 254 static int hdac_suspend(device_t); 255 static int hdac_resume(device_t); 256 257 static int hdac_rirb_flush(struct hdac_softc *sc); 258 static int hdac_unsolq_flush(struct hdac_softc *sc); 259 260 /* This function surely going to make its way into upper level someday. */ 261 static void 262 hdac_config_fetch(struct hdac_softc *sc, uint32_t *on, uint32_t *off) 263 { 264 const char *res = NULL; 265 int i = 0, j, k, len, inv; 266 267 if (resource_string_value(device_get_name(sc->dev), 268 device_get_unit(sc->dev), "config", &res) != 0) 269 return; 270 if (!(res != NULL && strlen(res) > 0)) 271 return; 272 HDA_BOOTVERBOSE( 273 device_printf(sc->dev, "Config options:"); 274 ); 275 for (;;) { 276 while (res[i] != '\0' && 277 (res[i] == ',' || isspace(res[i]) != 0)) 278 i++; 279 if (res[i] == '\0') { 280 HDA_BOOTVERBOSE( 281 printf("\n"); 282 ); 283 return; 284 } 285 j = i; 286 while (res[j] != '\0' && 287 !(res[j] == ',' || isspace(res[j]) != 0)) 288 j++; 289 len = j - i; 290 if (len > 2 && strncmp(res + i, "no", 2) == 0) 291 inv = 2; 292 else 293 inv = 0; 294 for (k = 0; len > inv && k < nitems(hdac_quirks_tab); k++) { 295 if (strncmp(res + i + inv, 296 hdac_quirks_tab[k].key, len - inv) != 0) 297 continue; 298 if (len - inv != strlen(hdac_quirks_tab[k].key)) 299 continue; 300 HDA_BOOTVERBOSE( 301 printf(" %s%s", (inv != 0) ? "no" : "", 302 hdac_quirks_tab[k].key); 303 ); 304 if (inv == 0) { 305 *on |= hdac_quirks_tab[k].value; 306 *off &= ~hdac_quirks_tab[k].value; 307 } else if (inv != 0) { 308 *off |= hdac_quirks_tab[k].value; 309 *on &= ~hdac_quirks_tab[k].value; 310 } 311 break; 312 } 313 i = j; 314 } 315 } 316 317 static void 318 hdac_one_intr(struct hdac_softc *sc, uint32_t intsts) 319 { 320 device_t dev; 321 uint8_t rirbsts; 322 int i; 323 324 /* Was this a controller interrupt? */ 325 if (intsts & HDAC_INTSTS_CIS) { 326 /* 327 * Placeholder: if we ever enable any bits in HDAC_WAKEEN, then 328 * we will need to check and clear HDAC_STATESTS. 329 * That event is used to report codec status changes such as 330 * a reset or a wake-up event. 331 */ 332 /* 333 * Placeholder: if we ever enable HDAC_CORBCTL_CMEIE, then we 334 * will need to check and clear HDAC_CORBSTS_CMEI in 335 * HDAC_CORBSTS. 336 * That event is used to report CORB memory errors. 337 */ 338 /* 339 * Placeholder: if we ever enable HDAC_RIRBCTL_RIRBOIC, then we 340 * will need to check and clear HDAC_RIRBSTS_RIRBOIS in 341 * HDAC_RIRBSTS. 342 * That event is used to report response FIFO overruns. 343 */ 344 345 /* Get as many responses that we can */ 346 rirbsts = HDAC_READ_1(&sc->mem, HDAC_RIRBSTS); 347 while (rirbsts & HDAC_RIRBSTS_RINTFL) { 348 HDAC_WRITE_1(&sc->mem, 349 HDAC_RIRBSTS, HDAC_RIRBSTS_RINTFL); 350 hdac_rirb_flush(sc); 351 rirbsts = HDAC_READ_1(&sc->mem, HDAC_RIRBSTS); 352 } 353 if (sc->unsolq_rp != sc->unsolq_wp) 354 taskqueue_enqueue(taskqueue_thread, &sc->unsolq_task); 355 } 356 357 if (intsts & HDAC_INTSTS_SIS_MASK) { 358 for (i = 0; i < sc->num_ss; i++) { 359 if ((intsts & (1 << i)) == 0) 360 continue; 361 HDAC_WRITE_1(&sc->mem, (i << 5) + HDAC_SDSTS, 362 HDAC_SDSTS_DESE | HDAC_SDSTS_FIFOE | HDAC_SDSTS_BCIS); 363 if ((dev = sc->streams[i].dev) != NULL) { 364 HDAC_STREAM_INTR(dev, 365 sc->streams[i].dir, sc->streams[i].stream); 366 } 367 } 368 } 369 } 370 371 /**************************************************************************** 372 * void hdac_intr_handler(void *) 373 * 374 * Interrupt handler. Processes interrupts received from the hdac. 375 ****************************************************************************/ 376 static void 377 hdac_intr_handler(void *context) 378 { 379 struct hdac_softc *sc; 380 uint32_t intsts; 381 382 sc = (struct hdac_softc *)context; 383 384 /* 385 * Loop until HDAC_INTSTS_GIS gets clear. 386 * It is plausible that hardware interrupts a host only when GIS goes 387 * from zero to one. GIS is formed by OR-ing multiple hardware 388 * statuses, so it's possible that a previously cleared status gets set 389 * again while another status has not been cleared yet. Thus, there 390 * will be no new interrupt as GIS always stayed set. If we don't 391 * re-examine GIS then we can leave it set and never get an interrupt 392 * again. 393 */ 394 hdac_lock(sc); 395 intsts = HDAC_READ_4(&sc->mem, HDAC_INTSTS); 396 while (intsts != 0xffffffff && (intsts & HDAC_INTSTS_GIS) != 0) { 397 hdac_one_intr(sc, intsts); 398 intsts = HDAC_READ_4(&sc->mem, HDAC_INTSTS); 399 } 400 hdac_unlock(sc); 401 } 402 403 static void 404 hdac_poll_callback(void *arg) 405 { 406 struct hdac_softc *sc = arg; 407 408 if (sc == NULL) 409 return; 410 411 hdac_lock(sc); 412 if (sc->polling == 0) { 413 hdac_unlock(sc); 414 return; 415 } 416 callout_reset(&sc->poll_callout, sc->poll_ival, hdac_poll_callback, sc); 417 hdac_unlock(sc); 418 419 hdac_intr_handler(sc); 420 } 421 422 /**************************************************************************** 423 * int hdac_reset(hdac_softc *, bool) 424 * 425 * Reset the hdac to a quiescent and known state. 426 ****************************************************************************/ 427 static int 428 hdac_reset(struct hdac_softc *sc, bool wakeup) 429 { 430 uint32_t gctl; 431 int count, i; 432 433 /* 434 * Stop all Streams DMA engine 435 */ 436 for (i = 0; i < sc->num_iss; i++) 437 HDAC_WRITE_4(&sc->mem, HDAC_ISDCTL(sc, i), 0x0); 438 for (i = 0; i < sc->num_oss; i++) 439 HDAC_WRITE_4(&sc->mem, HDAC_OSDCTL(sc, i), 0x0); 440 for (i = 0; i < sc->num_bss; i++) 441 HDAC_WRITE_4(&sc->mem, HDAC_BSDCTL(sc, i), 0x0); 442 443 /* 444 * Stop Control DMA engines. 445 */ 446 HDAC_WRITE_1(&sc->mem, HDAC_CORBCTL, 0x0); 447 HDAC_WRITE_1(&sc->mem, HDAC_RIRBCTL, 0x0); 448 449 /* 450 * Reset DMA position buffer. 451 */ 452 HDAC_WRITE_4(&sc->mem, HDAC_DPIBLBASE, 0x0); 453 HDAC_WRITE_4(&sc->mem, HDAC_DPIBUBASE, 0x0); 454 455 /* 456 * Reset the controller. The reset must remain asserted for 457 * a minimum of 100us. 458 */ 459 gctl = HDAC_READ_4(&sc->mem, HDAC_GCTL); 460 HDAC_WRITE_4(&sc->mem, HDAC_GCTL, gctl & ~HDAC_GCTL_CRST); 461 count = 10000; 462 do { 463 gctl = HDAC_READ_4(&sc->mem, HDAC_GCTL); 464 if (!(gctl & HDAC_GCTL_CRST)) 465 break; 466 DELAY(10); 467 } while (--count); 468 if (gctl & HDAC_GCTL_CRST) { 469 device_printf(sc->dev, "Unable to put hdac in reset\n"); 470 return (ENXIO); 471 } 472 473 /* If wakeup is not requested - leave the controller in reset state. */ 474 if (!wakeup) 475 return (0); 476 477 DELAY(100); 478 gctl = HDAC_READ_4(&sc->mem, HDAC_GCTL); 479 HDAC_WRITE_4(&sc->mem, HDAC_GCTL, gctl | HDAC_GCTL_CRST); 480 count = 10000; 481 do { 482 gctl = HDAC_READ_4(&sc->mem, HDAC_GCTL); 483 if (gctl & HDAC_GCTL_CRST) 484 break; 485 DELAY(10); 486 } while (--count); 487 if (!(gctl & HDAC_GCTL_CRST)) { 488 device_printf(sc->dev, "Device stuck in reset\n"); 489 return (ENXIO); 490 } 491 492 /* 493 * Wait for codecs to finish their own reset sequence. The delay here 494 * must be at least 521us (HDA 1.0a section 4.3 Codec Discovery). 495 */ 496 DELAY(1000); 497 498 return (0); 499 } 500 501 /**************************************************************************** 502 * int hdac_get_capabilities(struct hdac_softc *); 503 * 504 * Retreive the general capabilities of the hdac; 505 * Number of Input Streams 506 * Number of Output Streams 507 * Number of bidirectional Streams 508 * 64bit ready 509 * CORB and RIRB sizes 510 ****************************************************************************/ 511 static int 512 hdac_get_capabilities(struct hdac_softc *sc) 513 { 514 uint16_t gcap; 515 uint8_t corbsize, rirbsize; 516 517 gcap = HDAC_READ_2(&sc->mem, HDAC_GCAP); 518 sc->num_iss = HDAC_GCAP_ISS(gcap); 519 sc->num_oss = HDAC_GCAP_OSS(gcap); 520 sc->num_bss = HDAC_GCAP_BSS(gcap); 521 sc->num_ss = sc->num_iss + sc->num_oss + sc->num_bss; 522 sc->num_sdo = HDAC_GCAP_NSDO(gcap); 523 sc->support_64bit = (gcap & HDAC_GCAP_64OK) != 0; 524 if (sc->quirks_on & HDAC_QUIRK_64BIT) 525 sc->support_64bit = 1; 526 else if (sc->quirks_off & HDAC_QUIRK_64BIT) 527 sc->support_64bit = 0; 528 529 corbsize = HDAC_READ_1(&sc->mem, HDAC_CORBSIZE); 530 if ((corbsize & HDAC_CORBSIZE_CORBSZCAP_256) == 531 HDAC_CORBSIZE_CORBSZCAP_256) 532 sc->corb_size = 256; 533 else if ((corbsize & HDAC_CORBSIZE_CORBSZCAP_16) == 534 HDAC_CORBSIZE_CORBSZCAP_16) 535 sc->corb_size = 16; 536 else if ((corbsize & HDAC_CORBSIZE_CORBSZCAP_2) == 537 HDAC_CORBSIZE_CORBSZCAP_2) 538 sc->corb_size = 2; 539 else { 540 device_printf(sc->dev, "%s: Invalid corb size (%x)\n", 541 __func__, corbsize); 542 return (ENXIO); 543 } 544 545 rirbsize = HDAC_READ_1(&sc->mem, HDAC_RIRBSIZE); 546 if ((rirbsize & HDAC_RIRBSIZE_RIRBSZCAP_256) == 547 HDAC_RIRBSIZE_RIRBSZCAP_256) 548 sc->rirb_size = 256; 549 else if ((rirbsize & HDAC_RIRBSIZE_RIRBSZCAP_16) == 550 HDAC_RIRBSIZE_RIRBSZCAP_16) 551 sc->rirb_size = 16; 552 else if ((rirbsize & HDAC_RIRBSIZE_RIRBSZCAP_2) == 553 HDAC_RIRBSIZE_RIRBSZCAP_2) 554 sc->rirb_size = 2; 555 else { 556 device_printf(sc->dev, "%s: Invalid rirb size (%x)\n", 557 __func__, rirbsize); 558 return (ENXIO); 559 } 560 561 HDA_BOOTVERBOSE( 562 device_printf(sc->dev, "Caps: OSS %d, ISS %d, BSS %d, " 563 "NSDO %d%s, CORB %d, RIRB %d\n", 564 sc->num_oss, sc->num_iss, sc->num_bss, 1 << sc->num_sdo, 565 sc->support_64bit ? ", 64bit" : "", 566 sc->corb_size, sc->rirb_size); 567 ); 568 569 return (0); 570 } 571 572 /**************************************************************************** 573 * void hdac_dma_cb 574 * 575 * This function is called by bus_dmamap_load when the mapping has been 576 * established. We just record the physical address of the mapping into 577 * the struct hdac_dma passed in. 578 ****************************************************************************/ 579 static void 580 hdac_dma_cb(void *callback_arg, bus_dma_segment_t *segs, int nseg, int error) 581 { 582 struct hdac_dma *dma; 583 584 if (error == 0) { 585 dma = (struct hdac_dma *)callback_arg; 586 dma->dma_paddr = segs[0].ds_addr; 587 } 588 } 589 590 /**************************************************************************** 591 * int hdac_dma_alloc 592 * 593 * This function allocate and setup a dma region (struct hdac_dma). 594 * It must be freed by a corresponding hdac_dma_free. 595 ****************************************************************************/ 596 static int 597 hdac_dma_alloc(struct hdac_softc *sc, struct hdac_dma *dma, bus_size_t size) 598 { 599 bus_size_t roundsz; 600 int result; 601 602 roundsz = roundup2(size, HDA_DMA_ALIGNMENT); 603 bzero(dma, sizeof(*dma)); 604 605 /* 606 * Create a DMA tag 607 */ 608 result = bus_dma_tag_create( 609 bus_get_dma_tag(sc->dev), /* parent */ 610 HDA_DMA_ALIGNMENT, /* alignment */ 611 0, /* boundary */ 612 (sc->support_64bit) ? BUS_SPACE_MAXADDR : 613 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */ 614 BUS_SPACE_MAXADDR, /* highaddr */ 615 NULL, /* filtfunc */ 616 NULL, /* fistfuncarg */ 617 roundsz, /* maxsize */ 618 1, /* nsegments */ 619 roundsz, /* maxsegsz */ 620 0, /* flags */ 621 NULL, /* lockfunc */ 622 NULL, /* lockfuncarg */ 623 &dma->dma_tag); /* dmat */ 624 if (result != 0) { 625 device_printf(sc->dev, "%s: bus_dma_tag_create failed (%d)\n", 626 __func__, result); 627 goto hdac_dma_alloc_fail; 628 } 629 630 /* 631 * Allocate DMA memory 632 */ 633 result = bus_dmamem_alloc(dma->dma_tag, (void **)&dma->dma_vaddr, 634 BUS_DMA_NOWAIT | BUS_DMA_ZERO | 635 ((sc->flags & HDAC_F_DMA_NOCACHE) ? BUS_DMA_NOCACHE : 636 BUS_DMA_COHERENT), 637 &dma->dma_map); 638 if (result != 0) { 639 device_printf(sc->dev, "%s: bus_dmamem_alloc failed (%d)\n", 640 __func__, result); 641 goto hdac_dma_alloc_fail; 642 } 643 644 dma->dma_size = roundsz; 645 646 /* 647 * Map the memory 648 */ 649 result = bus_dmamap_load(dma->dma_tag, dma->dma_map, 650 (void *)dma->dma_vaddr, roundsz, hdac_dma_cb, (void *)dma, 0); 651 if (result != 0 || dma->dma_paddr == 0) { 652 if (result == 0) 653 result = ENOMEM; 654 device_printf(sc->dev, "%s: bus_dmamem_load failed (%d)\n", 655 __func__, result); 656 goto hdac_dma_alloc_fail; 657 } 658 659 HDA_BOOTHVERBOSE( 660 device_printf(sc->dev, "%s: size=%ju -> roundsz=%ju\n", 661 __func__, (uintmax_t)size, (uintmax_t)roundsz); 662 ); 663 664 return (0); 665 666 hdac_dma_alloc_fail: 667 hdac_dma_free(sc, dma); 668 669 return (result); 670 } 671 672 /**************************************************************************** 673 * void hdac_dma_free(struct hdac_softc *, struct hdac_dma *) 674 * 675 * Free a struct hdac_dma that has been previously allocated via the 676 * hdac_dma_alloc function. 677 ****************************************************************************/ 678 static void 679 hdac_dma_free(struct hdac_softc *sc, struct hdac_dma *dma) 680 { 681 if (dma->dma_paddr != 0) { 682 /* Flush caches */ 683 bus_dmamap_sync(dma->dma_tag, dma->dma_map, 684 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); 685 bus_dmamap_unload(dma->dma_tag, dma->dma_map); 686 dma->dma_paddr = 0; 687 } 688 if (dma->dma_vaddr != NULL) { 689 bus_dmamem_free(dma->dma_tag, dma->dma_vaddr, dma->dma_map); 690 dma->dma_vaddr = NULL; 691 } 692 if (dma->dma_tag != NULL) { 693 bus_dma_tag_destroy(dma->dma_tag); 694 dma->dma_tag = NULL; 695 } 696 dma->dma_size = 0; 697 } 698 699 /**************************************************************************** 700 * int hdac_mem_alloc(struct hdac_softc *) 701 * 702 * Allocate all the bus resources necessary to speak with the physical 703 * controller. 704 ****************************************************************************/ 705 static int 706 hdac_mem_alloc(struct hdac_softc *sc) 707 { 708 struct hdac_mem *mem; 709 710 mem = &sc->mem; 711 mem->mem_rid = PCIR_BAR(0); 712 mem->mem_res = bus_alloc_resource_any(sc->dev, SYS_RES_MEMORY, 713 &mem->mem_rid, RF_ACTIVE); 714 if (mem->mem_res == NULL) { 715 device_printf(sc->dev, 716 "%s: Unable to allocate memory resource\n", __func__); 717 return (ENOMEM); 718 } 719 mem->mem_tag = rman_get_bustag(mem->mem_res); 720 mem->mem_handle = rman_get_bushandle(mem->mem_res); 721 722 return (0); 723 } 724 725 /**************************************************************************** 726 * void hdac_mem_free(struct hdac_softc *) 727 * 728 * Free up resources previously allocated by hdac_mem_alloc. 729 ****************************************************************************/ 730 static void 731 hdac_mem_free(struct hdac_softc *sc) 732 { 733 struct hdac_mem *mem; 734 735 mem = &sc->mem; 736 if (mem->mem_res != NULL) 737 bus_release_resource(sc->dev, SYS_RES_MEMORY, mem->mem_rid, 738 mem->mem_res); 739 mem->mem_res = NULL; 740 } 741 742 /**************************************************************************** 743 * int hdac_irq_alloc(struct hdac_softc *) 744 * 745 * Allocate and setup the resources necessary for interrupt handling. 746 ****************************************************************************/ 747 static int 748 hdac_irq_alloc(struct hdac_softc *sc) 749 { 750 struct hdac_irq *irq; 751 int result; 752 753 irq = &sc->irq; 754 irq->irq_rid = 0x0; 755 756 if ((sc->quirks_off & HDAC_QUIRK_MSI) == 0 && 757 (result = pci_msi_count(sc->dev)) == 1 && 758 pci_alloc_msi(sc->dev, &result) == 0) 759 irq->irq_rid = 0x1; 760 761 irq->irq_res = bus_alloc_resource_any(sc->dev, SYS_RES_IRQ, 762 &irq->irq_rid, RF_SHAREABLE | RF_ACTIVE); 763 if (irq->irq_res == NULL) { 764 device_printf(sc->dev, "%s: Unable to allocate irq\n", 765 __func__); 766 goto hdac_irq_alloc_fail; 767 } 768 result = bus_setup_intr(sc->dev, irq->irq_res, INTR_MPSAFE | INTR_TYPE_AV, 769 NULL, hdac_intr_handler, sc, &irq->irq_handle); 770 if (result != 0) { 771 device_printf(sc->dev, 772 "%s: Unable to setup interrupt handler (%d)\n", 773 __func__, result); 774 goto hdac_irq_alloc_fail; 775 } 776 777 return (0); 778 779 hdac_irq_alloc_fail: 780 hdac_irq_free(sc); 781 782 return (ENXIO); 783 } 784 785 /**************************************************************************** 786 * void hdac_irq_free(struct hdac_softc *) 787 * 788 * Free up resources previously allocated by hdac_irq_alloc. 789 ****************************************************************************/ 790 static void 791 hdac_irq_free(struct hdac_softc *sc) 792 { 793 struct hdac_irq *irq; 794 795 irq = &sc->irq; 796 if (irq->irq_res != NULL && irq->irq_handle != NULL) 797 bus_teardown_intr(sc->dev, irq->irq_res, irq->irq_handle); 798 if (irq->irq_res != NULL) 799 bus_release_resource(sc->dev, SYS_RES_IRQ, irq->irq_rid, 800 irq->irq_res); 801 if (irq->irq_rid == 0x1) 802 pci_release_msi(sc->dev); 803 irq->irq_handle = NULL; 804 irq->irq_res = NULL; 805 irq->irq_rid = 0x0; 806 } 807 808 /**************************************************************************** 809 * void hdac_corb_init(struct hdac_softc *) 810 * 811 * Initialize the corb registers for operations but do not start it up yet. 812 * The CORB engine must not be running when this function is called. 813 ****************************************************************************/ 814 static void 815 hdac_corb_init(struct hdac_softc *sc) 816 { 817 uint8_t corbsize; 818 uint64_t corbpaddr; 819 820 /* Setup the CORB size. */ 821 switch (sc->corb_size) { 822 case 256: 823 corbsize = HDAC_CORBSIZE_CORBSIZE(HDAC_CORBSIZE_CORBSIZE_256); 824 break; 825 case 16: 826 corbsize = HDAC_CORBSIZE_CORBSIZE(HDAC_CORBSIZE_CORBSIZE_16); 827 break; 828 case 2: 829 corbsize = HDAC_CORBSIZE_CORBSIZE(HDAC_CORBSIZE_CORBSIZE_2); 830 break; 831 default: 832 panic("%s: Invalid CORB size (%x)\n", __func__, sc->corb_size); 833 } 834 HDAC_WRITE_1(&sc->mem, HDAC_CORBSIZE, corbsize); 835 836 /* Setup the CORB Address in the hdac */ 837 corbpaddr = (uint64_t)sc->corb_dma.dma_paddr; 838 HDAC_WRITE_4(&sc->mem, HDAC_CORBLBASE, (uint32_t)corbpaddr); 839 HDAC_WRITE_4(&sc->mem, HDAC_CORBUBASE, (uint32_t)(corbpaddr >> 32)); 840 841 /* Set the WP and RP */ 842 sc->corb_wp = 0; 843 HDAC_WRITE_2(&sc->mem, HDAC_CORBWP, sc->corb_wp); 844 HDAC_WRITE_2(&sc->mem, HDAC_CORBRP, HDAC_CORBRP_CORBRPRST); 845 /* 846 * The HDA specification indicates that the CORBRPRST bit will always 847 * read as zero. Unfortunately, it seems that at least the 82801G 848 * doesn't reset the bit to zero, which stalls the corb engine. 849 * manually reset the bit to zero before continuing. 850 */ 851 HDAC_WRITE_2(&sc->mem, HDAC_CORBRP, 0x0); 852 853 /* Enable CORB error reporting */ 854 #if 0 855 HDAC_WRITE_1(&sc->mem, HDAC_CORBCTL, HDAC_CORBCTL_CMEIE); 856 #endif 857 } 858 859 /**************************************************************************** 860 * void hdac_rirb_init(struct hdac_softc *) 861 * 862 * Initialize the rirb registers for operations but do not start it up yet. 863 * The RIRB engine must not be running when this function is called. 864 ****************************************************************************/ 865 static void 866 hdac_rirb_init(struct hdac_softc *sc) 867 { 868 uint8_t rirbsize; 869 uint64_t rirbpaddr; 870 871 /* Setup the RIRB size. */ 872 switch (sc->rirb_size) { 873 case 256: 874 rirbsize = HDAC_RIRBSIZE_RIRBSIZE(HDAC_RIRBSIZE_RIRBSIZE_256); 875 break; 876 case 16: 877 rirbsize = HDAC_RIRBSIZE_RIRBSIZE(HDAC_RIRBSIZE_RIRBSIZE_16); 878 break; 879 case 2: 880 rirbsize = HDAC_RIRBSIZE_RIRBSIZE(HDAC_RIRBSIZE_RIRBSIZE_2); 881 break; 882 default: 883 panic("%s: Invalid RIRB size (%x)\n", __func__, sc->rirb_size); 884 } 885 HDAC_WRITE_1(&sc->mem, HDAC_RIRBSIZE, rirbsize); 886 887 /* Setup the RIRB Address in the hdac */ 888 rirbpaddr = (uint64_t)sc->rirb_dma.dma_paddr; 889 HDAC_WRITE_4(&sc->mem, HDAC_RIRBLBASE, (uint32_t)rirbpaddr); 890 HDAC_WRITE_4(&sc->mem, HDAC_RIRBUBASE, (uint32_t)(rirbpaddr >> 32)); 891 892 /* Setup the WP and RP */ 893 sc->rirb_rp = 0; 894 HDAC_WRITE_2(&sc->mem, HDAC_RIRBWP, HDAC_RIRBWP_RIRBWPRST); 895 896 /* Setup the interrupt threshold */ 897 HDAC_WRITE_2(&sc->mem, HDAC_RINTCNT, sc->rirb_size / 2); 898 899 /* Enable Overrun and response received reporting */ 900 #if 0 901 HDAC_WRITE_1(&sc->mem, HDAC_RIRBCTL, 902 HDAC_RIRBCTL_RIRBOIC | HDAC_RIRBCTL_RINTCTL); 903 #else 904 HDAC_WRITE_1(&sc->mem, HDAC_RIRBCTL, HDAC_RIRBCTL_RINTCTL); 905 #endif 906 907 /* 908 * Make sure that the Host CPU cache doesn't contain any dirty 909 * cache lines that falls in the rirb. If I understood correctly, it 910 * should be sufficient to do this only once as the rirb is purely 911 * read-only from now on. 912 */ 913 bus_dmamap_sync(sc->rirb_dma.dma_tag, sc->rirb_dma.dma_map, 914 BUS_DMASYNC_PREREAD); 915 } 916 917 /**************************************************************************** 918 * void hdac_corb_start(hdac_softc *) 919 * 920 * Startup the corb DMA engine 921 ****************************************************************************/ 922 static void 923 hdac_corb_start(struct hdac_softc *sc) 924 { 925 uint32_t corbctl; 926 927 corbctl = HDAC_READ_1(&sc->mem, HDAC_CORBCTL); 928 corbctl |= HDAC_CORBCTL_CORBRUN; 929 HDAC_WRITE_1(&sc->mem, HDAC_CORBCTL, corbctl); 930 } 931 932 /**************************************************************************** 933 * void hdac_rirb_start(hdac_softc *) 934 * 935 * Startup the rirb DMA engine 936 ****************************************************************************/ 937 static void 938 hdac_rirb_start(struct hdac_softc *sc) 939 { 940 uint32_t rirbctl; 941 942 rirbctl = HDAC_READ_1(&sc->mem, HDAC_RIRBCTL); 943 rirbctl |= HDAC_RIRBCTL_RIRBDMAEN; 944 HDAC_WRITE_1(&sc->mem, HDAC_RIRBCTL, rirbctl); 945 } 946 947 static int 948 hdac_rirb_flush(struct hdac_softc *sc) 949 { 950 struct hdac_rirb *rirb_base, *rirb; 951 nid_t cad; 952 uint32_t resp, resp_ex; 953 uint8_t rirbwp; 954 int ret; 955 956 rirb_base = (struct hdac_rirb *)sc->rirb_dma.dma_vaddr; 957 rirbwp = HDAC_READ_1(&sc->mem, HDAC_RIRBWP); 958 bus_dmamap_sync(sc->rirb_dma.dma_tag, sc->rirb_dma.dma_map, 959 BUS_DMASYNC_POSTREAD); 960 961 ret = 0; 962 while (sc->rirb_rp != rirbwp) { 963 sc->rirb_rp++; 964 sc->rirb_rp %= sc->rirb_size; 965 rirb = &rirb_base[sc->rirb_rp]; 966 resp = le32toh(rirb->response); 967 resp_ex = le32toh(rirb->response_ex); 968 cad = HDAC_RIRB_RESPONSE_EX_SDATA_IN(resp_ex); 969 if (resp_ex & HDAC_RIRB_RESPONSE_EX_UNSOLICITED) { 970 sc->unsolq[sc->unsolq_wp++] = resp; 971 sc->unsolq_wp %= HDAC_UNSOLQ_MAX; 972 sc->unsolq[sc->unsolq_wp++] = cad; 973 sc->unsolq_wp %= HDAC_UNSOLQ_MAX; 974 } else if (sc->codecs[cad].pending <= 0) { 975 device_printf(sc->dev, "Unexpected unsolicited " 976 "response from address %d: %08x\n", cad, resp); 977 } else { 978 sc->codecs[cad].response = resp; 979 sc->codecs[cad].pending--; 980 } 981 ret++; 982 } 983 984 bus_dmamap_sync(sc->rirb_dma.dma_tag, sc->rirb_dma.dma_map, 985 BUS_DMASYNC_PREREAD); 986 return (ret); 987 } 988 989 static int 990 hdac_unsolq_flush(struct hdac_softc *sc) 991 { 992 device_t child; 993 nid_t cad; 994 uint32_t resp; 995 int ret = 0; 996 997 if (sc->unsolq_st == HDAC_UNSOLQ_READY) { 998 sc->unsolq_st = HDAC_UNSOLQ_BUSY; 999 while (sc->unsolq_rp != sc->unsolq_wp) { 1000 resp = sc->unsolq[sc->unsolq_rp++]; 1001 sc->unsolq_rp %= HDAC_UNSOLQ_MAX; 1002 cad = sc->unsolq[sc->unsolq_rp++]; 1003 sc->unsolq_rp %= HDAC_UNSOLQ_MAX; 1004 if ((child = sc->codecs[cad].dev) != NULL && 1005 device_is_attached(child)) 1006 HDAC_UNSOL_INTR(child, resp); 1007 ret++; 1008 } 1009 sc->unsolq_st = HDAC_UNSOLQ_READY; 1010 } 1011 1012 return (ret); 1013 } 1014 1015 /**************************************************************************** 1016 * uint32_t hdac_send_command 1017 * 1018 * Wrapper function that sends only one command to a given codec 1019 ****************************************************************************/ 1020 static uint32_t 1021 hdac_send_command(struct hdac_softc *sc, nid_t cad, uint32_t verb) 1022 { 1023 int timeout; 1024 uint32_t *corb; 1025 1026 hdac_lockassert(sc); 1027 verb &= ~HDA_CMD_CAD_MASK; 1028 verb |= ((uint32_t)cad) << HDA_CMD_CAD_SHIFT; 1029 sc->codecs[cad].response = HDA_INVALID; 1030 1031 sc->codecs[cad].pending++; 1032 sc->corb_wp++; 1033 sc->corb_wp %= sc->corb_size; 1034 corb = (uint32_t *)sc->corb_dma.dma_vaddr; 1035 bus_dmamap_sync(sc->corb_dma.dma_tag, 1036 sc->corb_dma.dma_map, BUS_DMASYNC_PREWRITE); 1037 corb[sc->corb_wp] = htole32(verb); 1038 bus_dmamap_sync(sc->corb_dma.dma_tag, 1039 sc->corb_dma.dma_map, BUS_DMASYNC_POSTWRITE); 1040 HDAC_WRITE_2(&sc->mem, HDAC_CORBWP, sc->corb_wp); 1041 1042 timeout = 10000; 1043 do { 1044 if (hdac_rirb_flush(sc) == 0) 1045 DELAY(10); 1046 } while (sc->codecs[cad].pending != 0 && --timeout); 1047 1048 if (sc->codecs[cad].pending != 0) { 1049 device_printf(sc->dev, "Command 0x%08x timeout on address %d\n", 1050 verb, cad); 1051 sc->codecs[cad].pending = 0; 1052 } 1053 1054 if (sc->unsolq_rp != sc->unsolq_wp) 1055 taskqueue_enqueue(taskqueue_thread, &sc->unsolq_task); 1056 return (sc->codecs[cad].response); 1057 } 1058 1059 /**************************************************************************** 1060 * Device Methods 1061 ****************************************************************************/ 1062 1063 /**************************************************************************** 1064 * int hdac_probe(device_t) 1065 * 1066 * Probe for the presence of an hdac. If none is found, check for a generic 1067 * match using the subclass of the device. 1068 ****************************************************************************/ 1069 static int 1070 hdac_probe(device_t dev) 1071 { 1072 int i, result; 1073 uint32_t model; 1074 uint16_t class, subclass; 1075 char desc[64]; 1076 1077 model = (uint32_t)pci_get_device(dev) << 16; 1078 model |= (uint32_t)pci_get_vendor(dev) & 0x0000ffff; 1079 class = pci_get_class(dev); 1080 subclass = pci_get_subclass(dev); 1081 1082 bzero(desc, sizeof(desc)); 1083 result = ENXIO; 1084 for (i = 0; i < nitems(hdac_devices); i++) { 1085 if (hdac_devices[i].model == model) { 1086 strlcpy(desc, hdac_devices[i].desc, sizeof(desc)); 1087 result = BUS_PROBE_DEFAULT; 1088 break; 1089 } 1090 if (HDA_DEV_MATCH(hdac_devices[i].model, model) && 1091 class == PCIC_MULTIMEDIA && 1092 subclass == PCIS_MULTIMEDIA_HDA) { 1093 snprintf(desc, sizeof(desc), "%s (0x%04x)", 1094 hdac_devices[i].desc, pci_get_device(dev)); 1095 result = BUS_PROBE_GENERIC; 1096 break; 1097 } 1098 } 1099 if (result == ENXIO && class == PCIC_MULTIMEDIA && 1100 subclass == PCIS_MULTIMEDIA_HDA) { 1101 snprintf(desc, sizeof(desc), "Generic (0x%08x)", model); 1102 result = BUS_PROBE_GENERIC; 1103 } 1104 if (result != ENXIO) 1105 device_set_descf(dev, "%s HDA Controller", desc); 1106 1107 return (result); 1108 } 1109 1110 static void 1111 hdac_unsolq_task(void *context, int pending) 1112 { 1113 struct hdac_softc *sc; 1114 1115 sc = (struct hdac_softc *)context; 1116 1117 hdac_lock(sc); 1118 hdac_unsolq_flush(sc); 1119 hdac_unlock(sc); 1120 } 1121 1122 /**************************************************************************** 1123 * int hdac_attach(device_t) 1124 * 1125 * Attach the device into the kernel. Interrupts usually won't be enabled 1126 * when this function is called. Setup everything that doesn't require 1127 * interrupts and defer probing of codecs until interrupts are enabled. 1128 ****************************************************************************/ 1129 static int 1130 hdac_attach(device_t dev) 1131 { 1132 struct hdac_softc *sc; 1133 int result; 1134 int i, devid = -1; 1135 uint32_t model; 1136 uint16_t class, subclass; 1137 uint16_t vendor; 1138 uint8_t v; 1139 1140 sc = device_get_softc(dev); 1141 HDA_BOOTVERBOSE( 1142 device_printf(dev, "PCI card vendor: 0x%04x, device: 0x%04x\n", 1143 pci_get_subvendor(dev), pci_get_subdevice(dev)); 1144 device_printf(dev, "HDA Driver Revision: %s\n", 1145 HDA_DRV_TEST_REV); 1146 ); 1147 1148 model = (uint32_t)pci_get_device(dev) << 16; 1149 model |= (uint32_t)pci_get_vendor(dev) & 0x0000ffff; 1150 class = pci_get_class(dev); 1151 subclass = pci_get_subclass(dev); 1152 1153 for (i = 0; i < nitems(hdac_devices); i++) { 1154 if (hdac_devices[i].model == model) { 1155 devid = i; 1156 break; 1157 } 1158 if (HDA_DEV_MATCH(hdac_devices[i].model, model) && 1159 class == PCIC_MULTIMEDIA && 1160 subclass == PCIS_MULTIMEDIA_HDA) { 1161 devid = i; 1162 break; 1163 } 1164 } 1165 1166 sc->lock = snd_mtxcreate(device_get_nameunit(dev), "HDA driver mutex"); 1167 sc->dev = dev; 1168 TASK_INIT(&sc->unsolq_task, 0, hdac_unsolq_task, sc); 1169 callout_init(&sc->poll_callout, 1); 1170 for (i = 0; i < HDAC_CODEC_MAX; i++) 1171 sc->codecs[i].dev = NULL; 1172 if (devid >= 0) { 1173 sc->quirks_on = hdac_devices[devid].quirks_on; 1174 sc->quirks_off = hdac_devices[devid].quirks_off; 1175 } else { 1176 sc->quirks_on = 0; 1177 sc->quirks_off = 0; 1178 } 1179 if (resource_int_value(device_get_name(dev), 1180 device_get_unit(dev), "msi", &i) == 0) { 1181 if (i == 0) 1182 sc->quirks_off |= HDAC_QUIRK_MSI; 1183 else { 1184 sc->quirks_on |= HDAC_QUIRK_MSI; 1185 sc->quirks_off |= ~HDAC_QUIRK_MSI; 1186 } 1187 } 1188 hdac_config_fetch(sc, &sc->quirks_on, &sc->quirks_off); 1189 HDA_BOOTVERBOSE( 1190 device_printf(sc->dev, 1191 "Config options: on=0x%08x off=0x%08x\n", 1192 sc->quirks_on, sc->quirks_off); 1193 ); 1194 sc->poll_ival = hz; 1195 if (resource_int_value(device_get_name(dev), 1196 device_get_unit(dev), "polling", &i) == 0 && i != 0) 1197 sc->polling = 1; 1198 else 1199 sc->polling = 0; 1200 1201 pci_enable_busmaster(dev); 1202 1203 vendor = pci_get_vendor(dev); 1204 if (vendor == INTEL_VENDORID) { 1205 /* TCSEL -> TC0 */ 1206 v = pci_read_config(dev, 0x44, 1); 1207 pci_write_config(dev, 0x44, v & 0xf8, 1); 1208 HDA_BOOTHVERBOSE( 1209 device_printf(dev, "TCSEL: 0x%02d -> 0x%02d\n", v, 1210 pci_read_config(dev, 0x44, 1)); 1211 ); 1212 } 1213 1214 #if defined(__i386__) || defined(__amd64__) 1215 sc->flags |= HDAC_F_DMA_NOCACHE; 1216 1217 if (resource_int_value(device_get_name(dev), 1218 device_get_unit(dev), "snoop", &i) == 0 && i != 0) { 1219 #else 1220 sc->flags &= ~HDAC_F_DMA_NOCACHE; 1221 #endif 1222 /* 1223 * Try to enable PCIe snoop to avoid messing around with 1224 * uncacheable DMA attribute. Since PCIe snoop register 1225 * config is pretty much vendor specific, there are no 1226 * general solutions on how to enable it, forcing us (even 1227 * Microsoft) to enable uncacheable or write combined DMA 1228 * by default. 1229 * 1230 * http://msdn2.microsoft.com/en-us/library/ms790324.aspx 1231 */ 1232 for (i = 0; i < nitems(hdac_pcie_snoop); i++) { 1233 if (hdac_pcie_snoop[i].vendor != vendor) 1234 continue; 1235 sc->flags &= ~HDAC_F_DMA_NOCACHE; 1236 if (hdac_pcie_snoop[i].reg == 0x00) 1237 break; 1238 v = pci_read_config(dev, hdac_pcie_snoop[i].reg, 1); 1239 if ((v & hdac_pcie_snoop[i].enable) == 1240 hdac_pcie_snoop[i].enable) 1241 break; 1242 v &= hdac_pcie_snoop[i].mask; 1243 v |= hdac_pcie_snoop[i].enable; 1244 pci_write_config(dev, hdac_pcie_snoop[i].reg, v, 1); 1245 v = pci_read_config(dev, hdac_pcie_snoop[i].reg, 1); 1246 if ((v & hdac_pcie_snoop[i].enable) != 1247 hdac_pcie_snoop[i].enable) { 1248 HDA_BOOTVERBOSE( 1249 device_printf(dev, 1250 "WARNING: Failed to enable PCIe " 1251 "snoop!\n"); 1252 ); 1253 #if defined(__i386__) || defined(__amd64__) 1254 sc->flags |= HDAC_F_DMA_NOCACHE; 1255 #endif 1256 } 1257 break; 1258 } 1259 #if defined(__i386__) || defined(__amd64__) 1260 } 1261 #endif 1262 1263 HDA_BOOTHVERBOSE( 1264 device_printf(dev, "DMA Coherency: %s / vendor=0x%04x\n", 1265 (sc->flags & HDAC_F_DMA_NOCACHE) ? 1266 "Uncacheable" : "PCIe snoop", vendor); 1267 ); 1268 1269 /* Allocate resources */ 1270 result = hdac_mem_alloc(sc); 1271 if (result != 0) 1272 goto hdac_attach_fail; 1273 1274 /* Get Capabilities */ 1275 result = hdac_get_capabilities(sc); 1276 if (result != 0) 1277 goto hdac_attach_fail; 1278 1279 /* Allocate CORB, RIRB, POS and BDLs dma memory */ 1280 result = hdac_dma_alloc(sc, &sc->corb_dma, 1281 sc->corb_size * sizeof(uint32_t)); 1282 if (result != 0) 1283 goto hdac_attach_fail; 1284 result = hdac_dma_alloc(sc, &sc->rirb_dma, 1285 sc->rirb_size * sizeof(struct hdac_rirb)); 1286 if (result != 0) 1287 goto hdac_attach_fail; 1288 sc->streams = malloc(sizeof(struct hdac_stream) * sc->num_ss, 1289 M_HDAC, M_ZERO | M_WAITOK); 1290 for (i = 0; i < sc->num_ss; i++) { 1291 result = hdac_dma_alloc(sc, &sc->streams[i].bdl, 1292 sizeof(struct hdac_bdle) * HDA_BDL_MAX); 1293 if (result != 0) 1294 goto hdac_attach_fail; 1295 } 1296 if (sc->quirks_on & HDAC_QUIRK_DMAPOS) { 1297 if (hdac_dma_alloc(sc, &sc->pos_dma, (sc->num_ss) * 8) != 0) { 1298 HDA_BOOTVERBOSE( 1299 device_printf(dev, "Failed to " 1300 "allocate DMA pos buffer " 1301 "(non-fatal)\n"); 1302 ); 1303 } else { 1304 uint64_t addr = sc->pos_dma.dma_paddr; 1305 1306 HDAC_WRITE_4(&sc->mem, HDAC_DPIBUBASE, addr >> 32); 1307 HDAC_WRITE_4(&sc->mem, HDAC_DPIBLBASE, 1308 (addr & HDAC_DPLBASE_DPLBASE_MASK) | 1309 HDAC_DPLBASE_DPLBASE_DMAPBE); 1310 } 1311 } 1312 1313 result = bus_dma_tag_create( 1314 bus_get_dma_tag(sc->dev), /* parent */ 1315 HDA_DMA_ALIGNMENT, /* alignment */ 1316 0, /* boundary */ 1317 (sc->support_64bit) ? BUS_SPACE_MAXADDR : 1318 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */ 1319 BUS_SPACE_MAXADDR, /* highaddr */ 1320 NULL, /* filtfunc */ 1321 NULL, /* fistfuncarg */ 1322 HDA_BUFSZ_MAX, /* maxsize */ 1323 1, /* nsegments */ 1324 HDA_BUFSZ_MAX, /* maxsegsz */ 1325 0, /* flags */ 1326 NULL, /* lockfunc */ 1327 NULL, /* lockfuncarg */ 1328 &sc->chan_dmat); /* dmat */ 1329 if (result != 0) { 1330 device_printf(dev, "%s: bus_dma_tag_create failed (%d)\n", 1331 __func__, result); 1332 goto hdac_attach_fail; 1333 } 1334 1335 /* Quiesce everything */ 1336 HDA_BOOTHVERBOSE( 1337 device_printf(dev, "Reset controller...\n"); 1338 ); 1339 hdac_reset(sc, true); 1340 1341 /* Initialize the CORB and RIRB */ 1342 hdac_corb_init(sc); 1343 hdac_rirb_init(sc); 1344 1345 result = hdac_irq_alloc(sc); 1346 if (result != 0) 1347 goto hdac_attach_fail; 1348 1349 /* Defer remaining of initialization until interrupts are enabled */ 1350 sc->intrhook.ich_func = hdac_attach2; 1351 sc->intrhook.ich_arg = (void *)sc; 1352 if (cold == 0 || config_intrhook_establish(&sc->intrhook) != 0) { 1353 sc->intrhook.ich_func = NULL; 1354 hdac_attach2((void *)sc); 1355 } 1356 1357 return (0); 1358 1359 hdac_attach_fail: 1360 hdac_irq_free(sc); 1361 if (sc->streams != NULL) 1362 for (i = 0; i < sc->num_ss; i++) 1363 hdac_dma_free(sc, &sc->streams[i].bdl); 1364 free(sc->streams, M_HDAC); 1365 hdac_dma_free(sc, &sc->rirb_dma); 1366 hdac_dma_free(sc, &sc->corb_dma); 1367 hdac_mem_free(sc); 1368 snd_mtxfree(sc->lock); 1369 1370 return (ENXIO); 1371 } 1372 1373 static int 1374 sysctl_hdac_pindump(SYSCTL_HANDLER_ARGS) 1375 { 1376 struct hdac_softc *sc; 1377 device_t *devlist; 1378 device_t dev; 1379 int devcount, i, err, val; 1380 1381 dev = oidp->oid_arg1; 1382 sc = device_get_softc(dev); 1383 if (sc == NULL) 1384 return (EINVAL); 1385 val = 0; 1386 err = sysctl_handle_int(oidp, &val, 0, req); 1387 if (err != 0 || req->newptr == NULL || val == 0) 1388 return (err); 1389 1390 /* XXX: Temporary. For debugging. */ 1391 if (val == 100) { 1392 hdac_suspend(dev); 1393 return (0); 1394 } else if (val == 101) { 1395 hdac_resume(dev); 1396 return (0); 1397 } 1398 1399 bus_topo_lock(); 1400 1401 if ((err = device_get_children(dev, &devlist, &devcount)) != 0) { 1402 bus_topo_unlock(); 1403 return (err); 1404 } 1405 1406 hdac_lock(sc); 1407 for (i = 0; i < devcount; i++) 1408 HDAC_PINDUMP(devlist[i]); 1409 hdac_unlock(sc); 1410 1411 bus_topo_unlock(); 1412 1413 free(devlist, M_TEMP); 1414 return (0); 1415 } 1416 1417 static int 1418 hdac_mdata_rate(uint16_t fmt) 1419 { 1420 static const int mbits[8] = { 8, 16, 32, 32, 32, 32, 32, 32 }; 1421 int rate, bits; 1422 1423 if (fmt & (1 << 14)) 1424 rate = 44100; 1425 else 1426 rate = 48000; 1427 rate *= ((fmt >> 11) & 0x07) + 1; 1428 rate /= ((fmt >> 8) & 0x07) + 1; 1429 bits = mbits[(fmt >> 4) & 0x03]; 1430 bits *= (fmt & 0x0f) + 1; 1431 return (rate * bits); 1432 } 1433 1434 static int 1435 hdac_bdata_rate(uint16_t fmt, int output) 1436 { 1437 static const int bbits[8] = { 8, 16, 20, 24, 32, 32, 32, 32 }; 1438 int rate, bits; 1439 1440 rate = 48000; 1441 rate *= ((fmt >> 11) & 0x07) + 1; 1442 bits = bbits[(fmt >> 4) & 0x03]; 1443 bits *= (fmt & 0x0f) + 1; 1444 if (!output) 1445 bits = ((bits + 7) & ~0x07) + 10; 1446 return (rate * bits); 1447 } 1448 1449 static void 1450 hdac_poll_reinit(struct hdac_softc *sc) 1451 { 1452 int i, pollticks, min = 1000000; 1453 struct hdac_stream *s; 1454 1455 if (sc->polling == 0) 1456 return; 1457 if (sc->unsol_registered > 0) 1458 min = hz / 2; 1459 for (i = 0; i < sc->num_ss; i++) { 1460 s = &sc->streams[i]; 1461 if (s->running == 0) 1462 continue; 1463 pollticks = ((uint64_t)hz * s->blksz) / 1464 (hdac_mdata_rate(s->format) / 8); 1465 pollticks >>= 1; 1466 if (pollticks > hz) 1467 pollticks = hz; 1468 if (pollticks < 1) 1469 pollticks = 1; 1470 if (min > pollticks) 1471 min = pollticks; 1472 } 1473 sc->poll_ival = min; 1474 if (min == 1000000) 1475 callout_stop(&sc->poll_callout); 1476 else 1477 callout_reset(&sc->poll_callout, 1, hdac_poll_callback, sc); 1478 } 1479 1480 static int 1481 sysctl_hdac_polling(SYSCTL_HANDLER_ARGS) 1482 { 1483 struct hdac_softc *sc; 1484 device_t dev; 1485 uint32_t ctl; 1486 int err, val; 1487 1488 dev = oidp->oid_arg1; 1489 sc = device_get_softc(dev); 1490 if (sc == NULL) 1491 return (EINVAL); 1492 hdac_lock(sc); 1493 val = sc->polling; 1494 hdac_unlock(sc); 1495 err = sysctl_handle_int(oidp, &val, 0, req); 1496 1497 if (err != 0 || req->newptr == NULL) 1498 return (err); 1499 if (val < 0 || val > 1) 1500 return (EINVAL); 1501 1502 hdac_lock(sc); 1503 if (val != sc->polling) { 1504 if (val == 0) { 1505 callout_stop(&sc->poll_callout); 1506 hdac_unlock(sc); 1507 callout_drain(&sc->poll_callout); 1508 hdac_lock(sc); 1509 sc->polling = 0; 1510 ctl = HDAC_READ_4(&sc->mem, HDAC_INTCTL); 1511 ctl |= HDAC_INTCTL_GIE; 1512 HDAC_WRITE_4(&sc->mem, HDAC_INTCTL, ctl); 1513 } else { 1514 ctl = HDAC_READ_4(&sc->mem, HDAC_INTCTL); 1515 ctl &= ~HDAC_INTCTL_GIE; 1516 HDAC_WRITE_4(&sc->mem, HDAC_INTCTL, ctl); 1517 sc->polling = 1; 1518 hdac_poll_reinit(sc); 1519 } 1520 } 1521 hdac_unlock(sc); 1522 1523 return (err); 1524 } 1525 1526 static void 1527 hdac_attach2(void *arg) 1528 { 1529 struct hdac_softc *sc; 1530 device_t child; 1531 uint32_t vendorid, revisionid; 1532 int i; 1533 uint16_t statests; 1534 1535 sc = (struct hdac_softc *)arg; 1536 1537 hdac_lock(sc); 1538 1539 /* Remove ourselves from the config hooks */ 1540 if (sc->intrhook.ich_func != NULL) { 1541 config_intrhook_disestablish(&sc->intrhook); 1542 sc->intrhook.ich_func = NULL; 1543 } 1544 1545 HDA_BOOTHVERBOSE( 1546 device_printf(sc->dev, "Starting CORB Engine...\n"); 1547 ); 1548 hdac_corb_start(sc); 1549 HDA_BOOTHVERBOSE( 1550 device_printf(sc->dev, "Starting RIRB Engine...\n"); 1551 ); 1552 hdac_rirb_start(sc); 1553 1554 /* 1555 * Clear HDAC_WAKEEN as at present we have no use for SDI wake 1556 * (status change) interrupts. The documentation says that we 1557 * should not make any assumptions about the state of this register 1558 * and set it explicitly. 1559 * NB: this needs to be done before the interrupt is enabled as 1560 * the handler does not expect this interrupt source. 1561 */ 1562 HDAC_WRITE_2(&sc->mem, HDAC_WAKEEN, 0); 1563 1564 /* 1565 * Read and clear post-reset SDI wake status. 1566 * Each set bit corresponds to a codec that came out of reset. 1567 */ 1568 statests = HDAC_READ_2(&sc->mem, HDAC_STATESTS); 1569 HDAC_WRITE_2(&sc->mem, HDAC_STATESTS, statests); 1570 1571 HDA_BOOTHVERBOSE( 1572 device_printf(sc->dev, 1573 "Enabling controller interrupt...\n"); 1574 ); 1575 HDAC_WRITE_4(&sc->mem, HDAC_GCTL, HDAC_READ_4(&sc->mem, HDAC_GCTL) | 1576 HDAC_GCTL_UNSOL); 1577 if (sc->polling == 0) { 1578 HDAC_WRITE_4(&sc->mem, HDAC_INTCTL, 1579 HDAC_INTCTL_CIE | HDAC_INTCTL_GIE); 1580 } 1581 DELAY(1000); 1582 1583 HDA_BOOTHVERBOSE( 1584 device_printf(sc->dev, "Scanning HDA codecs ...\n"); 1585 ); 1586 hdac_unlock(sc); 1587 for (i = 0; i < HDAC_CODEC_MAX; i++) { 1588 if (HDAC_STATESTS_SDIWAKE(statests, i)) { 1589 HDA_BOOTHVERBOSE( 1590 device_printf(sc->dev, 1591 "Found CODEC at address %d\n", i); 1592 ); 1593 hdac_lock(sc); 1594 vendorid = hdac_send_command(sc, i, 1595 HDA_CMD_GET_PARAMETER(0, 0x0, HDA_PARAM_VENDOR_ID)); 1596 revisionid = hdac_send_command(sc, i, 1597 HDA_CMD_GET_PARAMETER(0, 0x0, HDA_PARAM_REVISION_ID)); 1598 hdac_unlock(sc); 1599 if (vendorid == HDA_INVALID && 1600 revisionid == HDA_INVALID) { 1601 device_printf(sc->dev, 1602 "CODEC at address %d not responding!\n", i); 1603 continue; 1604 } 1605 sc->codecs[i].vendor_id = 1606 HDA_PARAM_VENDOR_ID_VENDOR_ID(vendorid); 1607 sc->codecs[i].device_id = 1608 HDA_PARAM_VENDOR_ID_DEVICE_ID(vendorid); 1609 sc->codecs[i].revision_id = 1610 HDA_PARAM_REVISION_ID_REVISION_ID(revisionid); 1611 sc->codecs[i].stepping_id = 1612 HDA_PARAM_REVISION_ID_STEPPING_ID(revisionid); 1613 child = device_add_child(sc->dev, "hdacc", -1); 1614 if (child == NULL) { 1615 device_printf(sc->dev, 1616 "Failed to add CODEC device\n"); 1617 continue; 1618 } 1619 device_set_ivars(child, (void *)(intptr_t)i); 1620 sc->codecs[i].dev = child; 1621 } 1622 } 1623 bus_generic_attach(sc->dev); 1624 1625 SYSCTL_ADD_PROC(device_get_sysctl_ctx(sc->dev), 1626 SYSCTL_CHILDREN(device_get_sysctl_tree(sc->dev)), OID_AUTO, 1627 "pindump", CTLTYPE_INT | CTLFLAG_RW, sc->dev, 1628 sizeof(sc->dev), sysctl_hdac_pindump, "I", "Dump pin states/data"); 1629 SYSCTL_ADD_PROC(device_get_sysctl_ctx(sc->dev), 1630 SYSCTL_CHILDREN(device_get_sysctl_tree(sc->dev)), OID_AUTO, 1631 "polling", CTLTYPE_INT | CTLFLAG_RW, sc->dev, 1632 sizeof(sc->dev), sysctl_hdac_polling, "I", "Enable polling mode"); 1633 } 1634 1635 /**************************************************************************** 1636 * int hdac_suspend(device_t) 1637 * 1638 * Suspend and power down HDA bus and codecs. 1639 ****************************************************************************/ 1640 static int 1641 hdac_suspend(device_t dev) 1642 { 1643 struct hdac_softc *sc = device_get_softc(dev); 1644 1645 HDA_BOOTHVERBOSE( 1646 device_printf(dev, "Suspend...\n"); 1647 ); 1648 bus_generic_suspend(dev); 1649 1650 hdac_lock(sc); 1651 HDA_BOOTHVERBOSE( 1652 device_printf(dev, "Reset controller...\n"); 1653 ); 1654 callout_stop(&sc->poll_callout); 1655 hdac_reset(sc, false); 1656 hdac_unlock(sc); 1657 callout_drain(&sc->poll_callout); 1658 taskqueue_drain(taskqueue_thread, &sc->unsolq_task); 1659 HDA_BOOTHVERBOSE( 1660 device_printf(dev, "Suspend done\n"); 1661 ); 1662 return (0); 1663 } 1664 1665 /**************************************************************************** 1666 * int hdac_resume(device_t) 1667 * 1668 * Powerup and restore HDA bus and codecs state. 1669 ****************************************************************************/ 1670 static int 1671 hdac_resume(device_t dev) 1672 { 1673 struct hdac_softc *sc = device_get_softc(dev); 1674 int error; 1675 1676 HDA_BOOTHVERBOSE( 1677 device_printf(dev, "Resume...\n"); 1678 ); 1679 hdac_lock(sc); 1680 1681 /* Quiesce everything */ 1682 HDA_BOOTHVERBOSE( 1683 device_printf(dev, "Reset controller...\n"); 1684 ); 1685 hdac_reset(sc, true); 1686 1687 /* Initialize the CORB and RIRB */ 1688 hdac_corb_init(sc); 1689 hdac_rirb_init(sc); 1690 1691 HDA_BOOTHVERBOSE( 1692 device_printf(dev, "Starting CORB Engine...\n"); 1693 ); 1694 hdac_corb_start(sc); 1695 HDA_BOOTHVERBOSE( 1696 device_printf(dev, "Starting RIRB Engine...\n"); 1697 ); 1698 hdac_rirb_start(sc); 1699 1700 /* 1701 * Clear HDAC_WAKEEN as at present we have no use for SDI wake 1702 * (status change) events. The documentation says that we should 1703 * not make any assumptions about the state of this register and 1704 * set it explicitly. 1705 * Also, clear HDAC_STATESTS. 1706 * NB: this needs to be done before the interrupt is enabled as 1707 * the handler does not expect this interrupt source. 1708 */ 1709 HDAC_WRITE_2(&sc->mem, HDAC_WAKEEN, 0); 1710 HDAC_WRITE_2(&sc->mem, HDAC_STATESTS, HDAC_STATESTS_SDIWAKE_MASK); 1711 1712 HDA_BOOTHVERBOSE( 1713 device_printf(dev, "Enabling controller interrupt...\n"); 1714 ); 1715 HDAC_WRITE_4(&sc->mem, HDAC_GCTL, HDAC_READ_4(&sc->mem, HDAC_GCTL) | 1716 HDAC_GCTL_UNSOL); 1717 HDAC_WRITE_4(&sc->mem, HDAC_INTCTL, HDAC_INTCTL_CIE | HDAC_INTCTL_GIE); 1718 DELAY(1000); 1719 hdac_poll_reinit(sc); 1720 hdac_unlock(sc); 1721 1722 error = bus_generic_resume(dev); 1723 HDA_BOOTHVERBOSE( 1724 device_printf(dev, "Resume done\n"); 1725 ); 1726 return (error); 1727 } 1728 1729 /**************************************************************************** 1730 * int hdac_detach(device_t) 1731 * 1732 * Detach and free up resources utilized by the hdac device. 1733 ****************************************************************************/ 1734 static int 1735 hdac_detach(device_t dev) 1736 { 1737 struct hdac_softc *sc = device_get_softc(dev); 1738 device_t *devlist; 1739 int cad, i, devcount, error; 1740 1741 if ((error = device_get_children(dev, &devlist, &devcount)) != 0) 1742 return (error); 1743 for (i = 0; i < devcount; i++) { 1744 cad = (intptr_t)device_get_ivars(devlist[i]); 1745 if ((error = device_delete_child(dev, devlist[i])) != 0) { 1746 free(devlist, M_TEMP); 1747 return (error); 1748 } 1749 sc->codecs[cad].dev = NULL; 1750 } 1751 free(devlist, M_TEMP); 1752 1753 hdac_lock(sc); 1754 hdac_reset(sc, false); 1755 hdac_unlock(sc); 1756 taskqueue_drain(taskqueue_thread, &sc->unsolq_task); 1757 hdac_irq_free(sc); 1758 1759 for (i = 0; i < sc->num_ss; i++) 1760 hdac_dma_free(sc, &sc->streams[i].bdl); 1761 free(sc->streams, M_HDAC); 1762 hdac_dma_free(sc, &sc->pos_dma); 1763 hdac_dma_free(sc, &sc->rirb_dma); 1764 hdac_dma_free(sc, &sc->corb_dma); 1765 if (sc->chan_dmat != NULL) { 1766 bus_dma_tag_destroy(sc->chan_dmat); 1767 sc->chan_dmat = NULL; 1768 } 1769 hdac_mem_free(sc); 1770 snd_mtxfree(sc->lock); 1771 return (0); 1772 } 1773 1774 static bus_dma_tag_t 1775 hdac_get_dma_tag(device_t dev, device_t child) 1776 { 1777 struct hdac_softc *sc = device_get_softc(dev); 1778 1779 return (sc->chan_dmat); 1780 } 1781 1782 static int 1783 hdac_print_child(device_t dev, device_t child) 1784 { 1785 int retval; 1786 1787 retval = bus_print_child_header(dev, child); 1788 retval += printf(" at cad %d", (int)(intptr_t)device_get_ivars(child)); 1789 retval += bus_print_child_footer(dev, child); 1790 1791 return (retval); 1792 } 1793 1794 static int 1795 hdac_child_location(device_t dev, device_t child, struct sbuf *sb) 1796 { 1797 1798 sbuf_printf(sb, "cad=%d", (int)(intptr_t)device_get_ivars(child)); 1799 return (0); 1800 } 1801 1802 static int 1803 hdac_child_pnpinfo_method(device_t dev, device_t child, struct sbuf *sb) 1804 { 1805 struct hdac_softc *sc = device_get_softc(dev); 1806 nid_t cad = (uintptr_t)device_get_ivars(child); 1807 1808 sbuf_printf(sb, 1809 "vendor=0x%04x device=0x%04x revision=0x%02x stepping=0x%02x", 1810 sc->codecs[cad].vendor_id, sc->codecs[cad].device_id, 1811 sc->codecs[cad].revision_id, sc->codecs[cad].stepping_id); 1812 return (0); 1813 } 1814 1815 static int 1816 hdac_read_ivar(device_t dev, device_t child, int which, uintptr_t *result) 1817 { 1818 struct hdac_softc *sc = device_get_softc(dev); 1819 nid_t cad = (uintptr_t)device_get_ivars(child); 1820 1821 switch (which) { 1822 case HDA_IVAR_CODEC_ID: 1823 *result = cad; 1824 break; 1825 case HDA_IVAR_VENDOR_ID: 1826 *result = sc->codecs[cad].vendor_id; 1827 break; 1828 case HDA_IVAR_DEVICE_ID: 1829 *result = sc->codecs[cad].device_id; 1830 break; 1831 case HDA_IVAR_REVISION_ID: 1832 *result = sc->codecs[cad].revision_id; 1833 break; 1834 case HDA_IVAR_STEPPING_ID: 1835 *result = sc->codecs[cad].stepping_id; 1836 break; 1837 case HDA_IVAR_SUBVENDOR_ID: 1838 *result = pci_get_subvendor(dev); 1839 break; 1840 case HDA_IVAR_SUBDEVICE_ID: 1841 *result = pci_get_subdevice(dev); 1842 break; 1843 case HDA_IVAR_DMA_NOCACHE: 1844 *result = (sc->flags & HDAC_F_DMA_NOCACHE) != 0; 1845 break; 1846 case HDA_IVAR_STRIPES_MASK: 1847 *result = (1 << (1 << sc->num_sdo)) - 1; 1848 break; 1849 default: 1850 return (ENOENT); 1851 } 1852 return (0); 1853 } 1854 1855 static struct mtx * 1856 hdac_get_mtx(device_t dev, device_t child) 1857 { 1858 struct hdac_softc *sc = device_get_softc(dev); 1859 1860 return (sc->lock); 1861 } 1862 1863 static uint32_t 1864 hdac_codec_command(device_t dev, device_t child, uint32_t verb) 1865 { 1866 1867 return (hdac_send_command(device_get_softc(dev), 1868 (intptr_t)device_get_ivars(child), verb)); 1869 } 1870 1871 static int 1872 hdac_find_stream(struct hdac_softc *sc, int dir, int stream) 1873 { 1874 int i, ss; 1875 1876 ss = -1; 1877 /* Allocate ISS/OSS first. */ 1878 if (dir == 0) { 1879 for (i = 0; i < sc->num_iss; i++) { 1880 if (sc->streams[i].stream == stream) { 1881 ss = i; 1882 break; 1883 } 1884 } 1885 } else { 1886 for (i = 0; i < sc->num_oss; i++) { 1887 if (sc->streams[i + sc->num_iss].stream == stream) { 1888 ss = i + sc->num_iss; 1889 break; 1890 } 1891 } 1892 } 1893 /* Fallback to BSS. */ 1894 if (ss == -1) { 1895 for (i = 0; i < sc->num_bss; i++) { 1896 if (sc->streams[i + sc->num_iss + sc->num_oss].stream 1897 == stream) { 1898 ss = i + sc->num_iss + sc->num_oss; 1899 break; 1900 } 1901 } 1902 } 1903 return (ss); 1904 } 1905 1906 static int 1907 hdac_stream_alloc(device_t dev, device_t child, int dir, int format, int stripe, 1908 uint32_t **dmapos) 1909 { 1910 struct hdac_softc *sc = device_get_softc(dev); 1911 nid_t cad = (uintptr_t)device_get_ivars(child); 1912 int stream, ss, bw, maxbw, prevbw; 1913 1914 /* Look for empty stream. */ 1915 ss = hdac_find_stream(sc, dir, 0); 1916 1917 /* Return if found nothing. */ 1918 if (ss < 0) 1919 return (0); 1920 1921 /* Check bus bandwidth. */ 1922 bw = hdac_bdata_rate(format, dir); 1923 if (dir == 1) { 1924 bw *= 1 << (sc->num_sdo - stripe); 1925 prevbw = sc->sdo_bw_used; 1926 maxbw = 48000 * 960 * (1 << sc->num_sdo); 1927 } else { 1928 prevbw = sc->codecs[cad].sdi_bw_used; 1929 maxbw = 48000 * 464; 1930 } 1931 HDA_BOOTHVERBOSE( 1932 device_printf(dev, "%dKbps of %dKbps bandwidth used%s\n", 1933 (bw + prevbw) / 1000, maxbw / 1000, 1934 bw + prevbw > maxbw ? " -- OVERFLOW!" : ""); 1935 ); 1936 if (bw + prevbw > maxbw) 1937 return (0); 1938 if (dir == 1) 1939 sc->sdo_bw_used += bw; 1940 else 1941 sc->codecs[cad].sdi_bw_used += bw; 1942 1943 /* Allocate stream number */ 1944 if (ss >= sc->num_iss + sc->num_oss) 1945 stream = 15 - (ss - sc->num_iss - sc->num_oss); 1946 else if (ss >= sc->num_iss) 1947 stream = ss - sc->num_iss + 1; 1948 else 1949 stream = ss + 1; 1950 1951 sc->streams[ss].dev = child; 1952 sc->streams[ss].dir = dir; 1953 sc->streams[ss].stream = stream; 1954 sc->streams[ss].bw = bw; 1955 sc->streams[ss].format = format; 1956 sc->streams[ss].stripe = stripe; 1957 if (dmapos != NULL) { 1958 if (sc->pos_dma.dma_vaddr != NULL) 1959 *dmapos = (uint32_t *)(sc->pos_dma.dma_vaddr + ss * 8); 1960 else 1961 *dmapos = NULL; 1962 } 1963 return (stream); 1964 } 1965 1966 static void 1967 hdac_stream_free(device_t dev, device_t child, int dir, int stream) 1968 { 1969 struct hdac_softc *sc = device_get_softc(dev); 1970 nid_t cad = (uintptr_t)device_get_ivars(child); 1971 int ss; 1972 1973 ss = hdac_find_stream(sc, dir, stream); 1974 KASSERT(ss >= 0, 1975 ("Free for not allocated stream (%d/%d)\n", dir, stream)); 1976 if (dir == 1) 1977 sc->sdo_bw_used -= sc->streams[ss].bw; 1978 else 1979 sc->codecs[cad].sdi_bw_used -= sc->streams[ss].bw; 1980 sc->streams[ss].stream = 0; 1981 sc->streams[ss].dev = NULL; 1982 } 1983 1984 static int 1985 hdac_stream_start(device_t dev, device_t child, int dir, int stream, 1986 bus_addr_t buf, int blksz, int blkcnt) 1987 { 1988 struct hdac_softc *sc = device_get_softc(dev); 1989 struct hdac_bdle *bdle; 1990 uint64_t addr; 1991 int i, ss, off; 1992 uint32_t ctl; 1993 1994 ss = hdac_find_stream(sc, dir, stream); 1995 KASSERT(ss >= 0, 1996 ("Start for not allocated stream (%d/%d)\n", dir, stream)); 1997 1998 addr = (uint64_t)buf; 1999 bdle = (struct hdac_bdle *)sc->streams[ss].bdl.dma_vaddr; 2000 for (i = 0; i < blkcnt; i++, bdle++) { 2001 bdle->addrl = htole32((uint32_t)addr); 2002 bdle->addrh = htole32((uint32_t)(addr >> 32)); 2003 bdle->len = htole32(blksz); 2004 bdle->ioc = htole32(1); 2005 addr += blksz; 2006 } 2007 2008 bus_dmamap_sync(sc->streams[ss].bdl.dma_tag, 2009 sc->streams[ss].bdl.dma_map, BUS_DMASYNC_PREWRITE); 2010 2011 off = ss << 5; 2012 HDAC_WRITE_4(&sc->mem, off + HDAC_SDCBL, blksz * blkcnt); 2013 HDAC_WRITE_2(&sc->mem, off + HDAC_SDLVI, blkcnt - 1); 2014 addr = sc->streams[ss].bdl.dma_paddr; 2015 HDAC_WRITE_4(&sc->mem, off + HDAC_SDBDPL, (uint32_t)addr); 2016 HDAC_WRITE_4(&sc->mem, off + HDAC_SDBDPU, (uint32_t)(addr >> 32)); 2017 2018 ctl = HDAC_READ_1(&sc->mem, off + HDAC_SDCTL2); 2019 if (dir) 2020 ctl |= HDAC_SDCTL2_DIR; 2021 else 2022 ctl &= ~HDAC_SDCTL2_DIR; 2023 ctl &= ~HDAC_SDCTL2_STRM_MASK; 2024 ctl |= stream << HDAC_SDCTL2_STRM_SHIFT; 2025 ctl &= ~HDAC_SDCTL2_STRIPE_MASK; 2026 ctl |= sc->streams[ss].stripe << HDAC_SDCTL2_STRIPE_SHIFT; 2027 HDAC_WRITE_1(&sc->mem, off + HDAC_SDCTL2, ctl); 2028 2029 HDAC_WRITE_2(&sc->mem, off + HDAC_SDFMT, sc->streams[ss].format); 2030 2031 ctl = HDAC_READ_4(&sc->mem, HDAC_INTCTL); 2032 ctl |= 1 << ss; 2033 HDAC_WRITE_4(&sc->mem, HDAC_INTCTL, ctl); 2034 2035 HDAC_WRITE_1(&sc->mem, off + HDAC_SDSTS, 2036 HDAC_SDSTS_DESE | HDAC_SDSTS_FIFOE | HDAC_SDSTS_BCIS); 2037 ctl = HDAC_READ_1(&sc->mem, off + HDAC_SDCTL0); 2038 ctl |= HDAC_SDCTL_IOCE | HDAC_SDCTL_FEIE | HDAC_SDCTL_DEIE | 2039 HDAC_SDCTL_RUN; 2040 HDAC_WRITE_1(&sc->mem, off + HDAC_SDCTL0, ctl); 2041 2042 sc->streams[ss].blksz = blksz; 2043 sc->streams[ss].running = 1; 2044 hdac_poll_reinit(sc); 2045 return (0); 2046 } 2047 2048 static void 2049 hdac_stream_stop(device_t dev, device_t child, int dir, int stream) 2050 { 2051 struct hdac_softc *sc = device_get_softc(dev); 2052 int ss, off; 2053 uint32_t ctl; 2054 2055 ss = hdac_find_stream(sc, dir, stream); 2056 KASSERT(ss >= 0, 2057 ("Stop for not allocated stream (%d/%d)\n", dir, stream)); 2058 2059 bus_dmamap_sync(sc->streams[ss].bdl.dma_tag, 2060 sc->streams[ss].bdl.dma_map, BUS_DMASYNC_POSTWRITE); 2061 2062 off = ss << 5; 2063 ctl = HDAC_READ_1(&sc->mem, off + HDAC_SDCTL0); 2064 ctl &= ~(HDAC_SDCTL_IOCE | HDAC_SDCTL_FEIE | HDAC_SDCTL_DEIE | 2065 HDAC_SDCTL_RUN); 2066 HDAC_WRITE_1(&sc->mem, off + HDAC_SDCTL0, ctl); 2067 2068 ctl = HDAC_READ_4(&sc->mem, HDAC_INTCTL); 2069 ctl &= ~(1 << ss); 2070 HDAC_WRITE_4(&sc->mem, HDAC_INTCTL, ctl); 2071 2072 sc->streams[ss].running = 0; 2073 hdac_poll_reinit(sc); 2074 } 2075 2076 static void 2077 hdac_stream_reset(device_t dev, device_t child, int dir, int stream) 2078 { 2079 struct hdac_softc *sc = device_get_softc(dev); 2080 int timeout = 1000; 2081 int to = timeout; 2082 int ss, off; 2083 uint32_t ctl; 2084 2085 ss = hdac_find_stream(sc, dir, stream); 2086 KASSERT(ss >= 0, 2087 ("Reset for not allocated stream (%d/%d)\n", dir, stream)); 2088 2089 off = ss << 5; 2090 ctl = HDAC_READ_1(&sc->mem, off + HDAC_SDCTL0); 2091 ctl |= HDAC_SDCTL_SRST; 2092 HDAC_WRITE_1(&sc->mem, off + HDAC_SDCTL0, ctl); 2093 do { 2094 ctl = HDAC_READ_1(&sc->mem, off + HDAC_SDCTL0); 2095 if (ctl & HDAC_SDCTL_SRST) 2096 break; 2097 DELAY(10); 2098 } while (--to); 2099 if (!(ctl & HDAC_SDCTL_SRST)) 2100 device_printf(dev, "Reset setting timeout\n"); 2101 ctl &= ~HDAC_SDCTL_SRST; 2102 HDAC_WRITE_1(&sc->mem, off + HDAC_SDCTL0, ctl); 2103 to = timeout; 2104 do { 2105 ctl = HDAC_READ_1(&sc->mem, off + HDAC_SDCTL0); 2106 if (!(ctl & HDAC_SDCTL_SRST)) 2107 break; 2108 DELAY(10); 2109 } while (--to); 2110 if (ctl & HDAC_SDCTL_SRST) 2111 device_printf(dev, "Reset timeout!\n"); 2112 } 2113 2114 static uint32_t 2115 hdac_stream_getptr(device_t dev, device_t child, int dir, int stream) 2116 { 2117 struct hdac_softc *sc = device_get_softc(dev); 2118 int ss, off; 2119 2120 ss = hdac_find_stream(sc, dir, stream); 2121 KASSERT(ss >= 0, 2122 ("Reset for not allocated stream (%d/%d)\n", dir, stream)); 2123 2124 off = ss << 5; 2125 return (HDAC_READ_4(&sc->mem, off + HDAC_SDLPIB)); 2126 } 2127 2128 static int 2129 hdac_unsol_alloc(device_t dev, device_t child, int tag) 2130 { 2131 struct hdac_softc *sc = device_get_softc(dev); 2132 2133 sc->unsol_registered++; 2134 hdac_poll_reinit(sc); 2135 return (tag); 2136 } 2137 2138 static void 2139 hdac_unsol_free(device_t dev, device_t child, int tag) 2140 { 2141 struct hdac_softc *sc = device_get_softc(dev); 2142 2143 sc->unsol_registered--; 2144 hdac_poll_reinit(sc); 2145 } 2146 2147 static device_method_t hdac_methods[] = { 2148 /* device interface */ 2149 DEVMETHOD(device_probe, hdac_probe), 2150 DEVMETHOD(device_attach, hdac_attach), 2151 DEVMETHOD(device_detach, hdac_detach), 2152 DEVMETHOD(device_suspend, hdac_suspend), 2153 DEVMETHOD(device_resume, hdac_resume), 2154 /* Bus interface */ 2155 DEVMETHOD(bus_get_dma_tag, hdac_get_dma_tag), 2156 DEVMETHOD(bus_print_child, hdac_print_child), 2157 DEVMETHOD(bus_child_location, hdac_child_location), 2158 DEVMETHOD(bus_child_pnpinfo, hdac_child_pnpinfo_method), 2159 DEVMETHOD(bus_read_ivar, hdac_read_ivar), 2160 DEVMETHOD(hdac_get_mtx, hdac_get_mtx), 2161 DEVMETHOD(hdac_codec_command, hdac_codec_command), 2162 DEVMETHOD(hdac_stream_alloc, hdac_stream_alloc), 2163 DEVMETHOD(hdac_stream_free, hdac_stream_free), 2164 DEVMETHOD(hdac_stream_start, hdac_stream_start), 2165 DEVMETHOD(hdac_stream_stop, hdac_stream_stop), 2166 DEVMETHOD(hdac_stream_reset, hdac_stream_reset), 2167 DEVMETHOD(hdac_stream_getptr, hdac_stream_getptr), 2168 DEVMETHOD(hdac_unsol_alloc, hdac_unsol_alloc), 2169 DEVMETHOD(hdac_unsol_free, hdac_unsol_free), 2170 DEVMETHOD_END 2171 }; 2172 2173 static driver_t hdac_driver = { 2174 "hdac", 2175 hdac_methods, 2176 sizeof(struct hdac_softc), 2177 }; 2178 2179 DRIVER_MODULE(snd_hda, pci, hdac_driver, NULL, NULL); 2180