1 /* 2 * 3 * hda_intel.c - Implementation of primary alsa driver code base 4 * for Intel HD Audio. 5 * 6 * Copyright(c) 2004 Intel Corporation. All rights reserved. 7 * 8 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de> 9 * PeiSen Hou <pshou@realtek.com.tw> 10 * 11 * This program is free software; you can redistribute it and/or modify it 12 * under the terms of the GNU General Public License as published by the Free 13 * Software Foundation; either version 2 of the License, or (at your option) 14 * any later version. 15 * 16 * This program is distributed in the hope that it will be useful, but WITHOUT 17 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 18 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 19 * more details. 20 * 21 * You should have received a copy of the GNU General Public License along with 22 * this program; if not, write to the Free Software Foundation, Inc., 59 23 * Temple Place - Suite 330, Boston, MA 02111-1307, USA. 24 * 25 * CONTACTS: 26 * 27 * Matt Jared matt.jared@intel.com 28 * Andy Kopp andy.kopp@intel.com 29 * Dan Kogan dan.d.kogan@intel.com 30 * 31 * CHANGES: 32 * 33 * 2004.12.01 Major rewrite by tiwai, merged the work of pshou 34 * 35 */ 36 37 #include <linux/delay.h> 38 #include <linux/interrupt.h> 39 #include <linux/kernel.h> 40 #include <linux/module.h> 41 #include <linux/dma-mapping.h> 42 #include <linux/moduleparam.h> 43 #include <linux/init.h> 44 #include <linux/slab.h> 45 #include <linux/pci.h> 46 #include <linux/mutex.h> 47 #include <linux/io.h> 48 #include <linux/pm_runtime.h> 49 #include <linux/clocksource.h> 50 #include <linux/time.h> 51 #include <linux/completion.h> 52 53 #ifdef CONFIG_X86 54 /* for snoop control */ 55 #include <asm/pgtable.h> 56 #include <asm/set_memory.h> 57 #include <asm/cpufeature.h> 58 #endif 59 #include <sound/core.h> 60 #include <sound/initval.h> 61 #include <sound/hdaudio.h> 62 #include <sound/hda_i915.h> 63 #include <linux/vgaarb.h> 64 #include <linux/vga_switcheroo.h> 65 #include <linux/firmware.h> 66 #include <sound/hda_codec.h> 67 #include "hda_controller.h" 68 #include "hda_intel.h" 69 70 #define CREATE_TRACE_POINTS 71 #include "hda_intel_trace.h" 72 73 /* position fix mode */ 74 enum { 75 POS_FIX_AUTO, 76 POS_FIX_LPIB, 77 POS_FIX_POSBUF, 78 POS_FIX_VIACOMBO, 79 POS_FIX_COMBO, 80 POS_FIX_SKL, 81 }; 82 83 /* Defines for ATI HD Audio support in SB450 south bridge */ 84 #define ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR 0x42 85 #define ATI_SB450_HDAUDIO_ENABLE_SNOOP 0x02 86 87 /* Defines for Nvidia HDA support */ 88 #define NVIDIA_HDA_TRANSREG_ADDR 0x4e 89 #define NVIDIA_HDA_ENABLE_COHBITS 0x0f 90 #define NVIDIA_HDA_ISTRM_COH 0x4d 91 #define NVIDIA_HDA_OSTRM_COH 0x4c 92 #define NVIDIA_HDA_ENABLE_COHBIT 0x01 93 94 /* Defines for Intel SCH HDA snoop control */ 95 #define INTEL_HDA_CGCTL 0x48 96 #define INTEL_HDA_CGCTL_MISCBDCGE (0x1 << 6) 97 #define INTEL_SCH_HDA_DEVC 0x78 98 #define INTEL_SCH_HDA_DEVC_NOSNOOP (0x1<<11) 99 100 /* Define IN stream 0 FIFO size offset in VIA controller */ 101 #define VIA_IN_STREAM0_FIFO_SIZE_OFFSET 0x90 102 /* Define VIA HD Audio Device ID*/ 103 #define VIA_HDAC_DEVICE_ID 0x3288 104 105 /* max number of SDs */ 106 /* ICH, ATI and VIA have 4 playback and 4 capture */ 107 #define ICH6_NUM_CAPTURE 4 108 #define ICH6_NUM_PLAYBACK 4 109 110 /* ULI has 6 playback and 5 capture */ 111 #define ULI_NUM_CAPTURE 5 112 #define ULI_NUM_PLAYBACK 6 113 114 /* ATI HDMI may have up to 8 playbacks and 0 capture */ 115 #define ATIHDMI_NUM_CAPTURE 0 116 #define ATIHDMI_NUM_PLAYBACK 8 117 118 /* TERA has 4 playback and 3 capture */ 119 #define TERA_NUM_CAPTURE 3 120 #define TERA_NUM_PLAYBACK 4 121 122 123 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; 124 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; 125 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; 126 static char *model[SNDRV_CARDS]; 127 static int position_fix[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1}; 128 static int bdl_pos_adj[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1}; 129 static int probe_mask[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1}; 130 static int probe_only[SNDRV_CARDS]; 131 static int jackpoll_ms[SNDRV_CARDS]; 132 static int single_cmd = -1; 133 static int enable_msi = -1; 134 #ifdef CONFIG_SND_HDA_PATCH_LOADER 135 static char *patch[SNDRV_CARDS]; 136 #endif 137 #ifdef CONFIG_SND_HDA_INPUT_BEEP 138 static bool beep_mode[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = 139 CONFIG_SND_HDA_INPUT_BEEP_MODE}; 140 #endif 141 142 module_param_array(index, int, NULL, 0444); 143 MODULE_PARM_DESC(index, "Index value for Intel HD audio interface."); 144 module_param_array(id, charp, NULL, 0444); 145 MODULE_PARM_DESC(id, "ID string for Intel HD audio interface."); 146 module_param_array(enable, bool, NULL, 0444); 147 MODULE_PARM_DESC(enable, "Enable Intel HD audio interface."); 148 module_param_array(model, charp, NULL, 0444); 149 MODULE_PARM_DESC(model, "Use the given board model."); 150 module_param_array(position_fix, int, NULL, 0444); 151 MODULE_PARM_DESC(position_fix, "DMA pointer read method." 152 "(-1 = system default, 0 = auto, 1 = LPIB, 2 = POSBUF, 3 = VIACOMBO, 4 = COMBO, 5 = SKL+)."); 153 module_param_array(bdl_pos_adj, int, NULL, 0644); 154 MODULE_PARM_DESC(bdl_pos_adj, "BDL position adjustment offset."); 155 module_param_array(probe_mask, int, NULL, 0444); 156 MODULE_PARM_DESC(probe_mask, "Bitmask to probe codecs (default = -1)."); 157 module_param_array(probe_only, int, NULL, 0444); 158 MODULE_PARM_DESC(probe_only, "Only probing and no codec initialization."); 159 module_param_array(jackpoll_ms, int, NULL, 0444); 160 MODULE_PARM_DESC(jackpoll_ms, "Ms between polling for jack events (default = 0, using unsol events only)"); 161 module_param(single_cmd, bint, 0444); 162 MODULE_PARM_DESC(single_cmd, "Use single command to communicate with codecs " 163 "(for debugging only)."); 164 module_param(enable_msi, bint, 0444); 165 MODULE_PARM_DESC(enable_msi, "Enable Message Signaled Interrupt (MSI)"); 166 #ifdef CONFIG_SND_HDA_PATCH_LOADER 167 module_param_array(patch, charp, NULL, 0444); 168 MODULE_PARM_DESC(patch, "Patch file for Intel HD audio interface."); 169 #endif 170 #ifdef CONFIG_SND_HDA_INPUT_BEEP 171 module_param_array(beep_mode, bool, NULL, 0444); 172 MODULE_PARM_DESC(beep_mode, "Select HDA Beep registration mode " 173 "(0=off, 1=on) (default=1)."); 174 #endif 175 176 #ifdef CONFIG_PM 177 static int param_set_xint(const char *val, const struct kernel_param *kp); 178 static const struct kernel_param_ops param_ops_xint = { 179 .set = param_set_xint, 180 .get = param_get_int, 181 }; 182 #define param_check_xint param_check_int 183 184 static int power_save = CONFIG_SND_HDA_POWER_SAVE_DEFAULT; 185 module_param(power_save, xint, 0644); 186 MODULE_PARM_DESC(power_save, "Automatic power-saving timeout " 187 "(in second, 0 = disable)."); 188 189 static bool pm_blacklist = true; 190 module_param(pm_blacklist, bool, 0644); 191 MODULE_PARM_DESC(pm_blacklist, "Enable power-management blacklist"); 192 193 /* reset the HD-audio controller in power save mode. 194 * this may give more power-saving, but will take longer time to 195 * wake up. 196 */ 197 static bool power_save_controller = 1; 198 module_param(power_save_controller, bool, 0644); 199 MODULE_PARM_DESC(power_save_controller, "Reset controller in power save mode."); 200 #else 201 #define power_save 0 202 #endif /* CONFIG_PM */ 203 204 static int align_buffer_size = -1; 205 module_param(align_buffer_size, bint, 0644); 206 MODULE_PARM_DESC(align_buffer_size, 207 "Force buffer and period sizes to be multiple of 128 bytes."); 208 209 #ifdef CONFIG_X86 210 static int hda_snoop = -1; 211 module_param_named(snoop, hda_snoop, bint, 0444); 212 MODULE_PARM_DESC(snoop, "Enable/disable snooping"); 213 #else 214 #define hda_snoop true 215 #endif 216 217 218 MODULE_LICENSE("GPL"); 219 MODULE_SUPPORTED_DEVICE("{{Intel, ICH6}," 220 "{Intel, ICH6M}," 221 "{Intel, ICH7}," 222 "{Intel, ESB2}," 223 "{Intel, ICH8}," 224 "{Intel, ICH9}," 225 "{Intel, ICH10}," 226 "{Intel, PCH}," 227 "{Intel, CPT}," 228 "{Intel, PPT}," 229 "{Intel, LPT}," 230 "{Intel, LPT_LP}," 231 "{Intel, WPT_LP}," 232 "{Intel, SPT}," 233 "{Intel, SPT_LP}," 234 "{Intel, HPT}," 235 "{Intel, PBG}," 236 "{Intel, SCH}," 237 "{ATI, SB450}," 238 "{ATI, SB600}," 239 "{ATI, RS600}," 240 "{ATI, RS690}," 241 "{ATI, RS780}," 242 "{ATI, R600}," 243 "{ATI, RV630}," 244 "{ATI, RV610}," 245 "{ATI, RV670}," 246 "{ATI, RV635}," 247 "{ATI, RV620}," 248 "{ATI, RV770}," 249 "{VIA, VT8251}," 250 "{VIA, VT8237A}," 251 "{SiS, SIS966}," 252 "{ULI, M5461}}"); 253 MODULE_DESCRIPTION("Intel HDA driver"); 254 255 #if defined(CONFIG_PM) && defined(CONFIG_VGA_SWITCHEROO) 256 #if IS_ENABLED(CONFIG_SND_HDA_CODEC_HDMI) 257 #define SUPPORT_VGA_SWITCHEROO 258 #endif 259 #endif 260 261 262 /* 263 */ 264 265 /* driver types */ 266 enum { 267 AZX_DRIVER_ICH, 268 AZX_DRIVER_PCH, 269 AZX_DRIVER_SCH, 270 AZX_DRIVER_SKL, 271 AZX_DRIVER_HDMI, 272 AZX_DRIVER_ATI, 273 AZX_DRIVER_ATIHDMI, 274 AZX_DRIVER_ATIHDMI_NS, 275 AZX_DRIVER_VIA, 276 AZX_DRIVER_SIS, 277 AZX_DRIVER_ULI, 278 AZX_DRIVER_NVIDIA, 279 AZX_DRIVER_TERA, 280 AZX_DRIVER_CTX, 281 AZX_DRIVER_CTHDA, 282 AZX_DRIVER_CMEDIA, 283 AZX_DRIVER_GENERIC, 284 AZX_NUM_DRIVERS, /* keep this as last entry */ 285 }; 286 287 #define azx_get_snoop_type(chip) \ 288 (((chip)->driver_caps & AZX_DCAPS_SNOOP_MASK) >> 10) 289 #define AZX_DCAPS_SNOOP_TYPE(type) ((AZX_SNOOP_TYPE_ ## type) << 10) 290 291 /* quirks for old Intel chipsets */ 292 #define AZX_DCAPS_INTEL_ICH \ 293 (AZX_DCAPS_OLD_SSYNC | AZX_DCAPS_NO_ALIGN_BUFSIZE) 294 295 /* quirks for Intel PCH */ 296 #define AZX_DCAPS_INTEL_PCH_BASE \ 297 (AZX_DCAPS_NO_ALIGN_BUFSIZE | AZX_DCAPS_COUNT_LPIB_DELAY |\ 298 AZX_DCAPS_SNOOP_TYPE(SCH)) 299 300 /* PCH up to IVB; no runtime PM; bind with i915 gfx */ 301 #define AZX_DCAPS_INTEL_PCH_NOPM \ 302 (AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_I915_COMPONENT) 303 304 /* PCH for HSW/BDW; with runtime PM */ 305 /* no i915 binding for this as HSW/BDW has another controller for HDMI */ 306 #define AZX_DCAPS_INTEL_PCH \ 307 (AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_PM_RUNTIME) 308 309 /* HSW HDMI */ 310 #define AZX_DCAPS_INTEL_HASWELL \ 311 (/*AZX_DCAPS_ALIGN_BUFSIZE |*/ AZX_DCAPS_COUNT_LPIB_DELAY |\ 312 AZX_DCAPS_PM_RUNTIME | AZX_DCAPS_I915_COMPONENT |\ 313 AZX_DCAPS_SNOOP_TYPE(SCH)) 314 315 /* Broadwell HDMI can't use position buffer reliably, force to use LPIB */ 316 #define AZX_DCAPS_INTEL_BROADWELL \ 317 (/*AZX_DCAPS_ALIGN_BUFSIZE |*/ AZX_DCAPS_POSFIX_LPIB |\ 318 AZX_DCAPS_PM_RUNTIME | AZX_DCAPS_I915_COMPONENT |\ 319 AZX_DCAPS_SNOOP_TYPE(SCH)) 320 321 #define AZX_DCAPS_INTEL_BAYTRAIL \ 322 (AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_I915_COMPONENT) 323 324 #define AZX_DCAPS_INTEL_BRASWELL \ 325 (AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_PM_RUNTIME |\ 326 AZX_DCAPS_I915_COMPONENT) 327 328 #define AZX_DCAPS_INTEL_SKYLAKE \ 329 (AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_PM_RUNTIME |\ 330 AZX_DCAPS_SEPARATE_STREAM_TAG | AZX_DCAPS_I915_COMPONENT) 331 332 #define AZX_DCAPS_INTEL_BROXTON \ 333 (AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_PM_RUNTIME |\ 334 AZX_DCAPS_SEPARATE_STREAM_TAG | AZX_DCAPS_I915_COMPONENT) 335 336 /* quirks for ATI SB / AMD Hudson */ 337 #define AZX_DCAPS_PRESET_ATI_SB \ 338 (AZX_DCAPS_NO_TCSEL | AZX_DCAPS_SYNC_WRITE | AZX_DCAPS_POSFIX_LPIB |\ 339 AZX_DCAPS_SNOOP_TYPE(ATI)) 340 341 /* quirks for ATI/AMD HDMI */ 342 #define AZX_DCAPS_PRESET_ATI_HDMI \ 343 (AZX_DCAPS_NO_TCSEL | AZX_DCAPS_SYNC_WRITE | AZX_DCAPS_POSFIX_LPIB|\ 344 AZX_DCAPS_NO_MSI64) 345 346 /* quirks for ATI HDMI with snoop off */ 347 #define AZX_DCAPS_PRESET_ATI_HDMI_NS \ 348 (AZX_DCAPS_PRESET_ATI_HDMI | AZX_DCAPS_SNOOP_OFF) 349 350 /* quirks for Nvidia */ 351 #define AZX_DCAPS_PRESET_NVIDIA \ 352 (AZX_DCAPS_NO_MSI | AZX_DCAPS_CORBRP_SELF_CLEAR |\ 353 AZX_DCAPS_SNOOP_TYPE(NVIDIA)) 354 355 #define AZX_DCAPS_PRESET_CTHDA \ 356 (AZX_DCAPS_NO_MSI | AZX_DCAPS_POSFIX_LPIB |\ 357 AZX_DCAPS_NO_64BIT |\ 358 AZX_DCAPS_4K_BDLE_BOUNDARY | AZX_DCAPS_SNOOP_OFF) 359 360 /* 361 * vga_switcheroo support 362 */ 363 #ifdef SUPPORT_VGA_SWITCHEROO 364 #define use_vga_switcheroo(chip) ((chip)->use_vga_switcheroo) 365 #define needs_eld_notify_link(chip) ((chip)->need_eld_notify_link) 366 #else 367 #define use_vga_switcheroo(chip) 0 368 #define needs_eld_notify_link(chip) false 369 #endif 370 371 #define CONTROLLER_IN_GPU(pci) (((pci)->device == 0x0a0c) || \ 372 ((pci)->device == 0x0c0c) || \ 373 ((pci)->device == 0x0d0c) || \ 374 ((pci)->device == 0x160c)) 375 376 #define IS_BXT(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x5a98) 377 #define IS_CFL(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0xa348) 378 379 static char *driver_short_names[] = { 380 [AZX_DRIVER_ICH] = "HDA Intel", 381 [AZX_DRIVER_PCH] = "HDA Intel PCH", 382 [AZX_DRIVER_SCH] = "HDA Intel MID", 383 [AZX_DRIVER_SKL] = "HDA Intel PCH", /* kept old name for compatibility */ 384 [AZX_DRIVER_HDMI] = "HDA Intel HDMI", 385 [AZX_DRIVER_ATI] = "HDA ATI SB", 386 [AZX_DRIVER_ATIHDMI] = "HDA ATI HDMI", 387 [AZX_DRIVER_ATIHDMI_NS] = "HDA ATI HDMI", 388 [AZX_DRIVER_VIA] = "HDA VIA VT82xx", 389 [AZX_DRIVER_SIS] = "HDA SIS966", 390 [AZX_DRIVER_ULI] = "HDA ULI M5461", 391 [AZX_DRIVER_NVIDIA] = "HDA NVidia", 392 [AZX_DRIVER_TERA] = "HDA Teradici", 393 [AZX_DRIVER_CTX] = "HDA Creative", 394 [AZX_DRIVER_CTHDA] = "HDA Creative", 395 [AZX_DRIVER_CMEDIA] = "HDA C-Media", 396 [AZX_DRIVER_GENERIC] = "HD-Audio Generic", 397 }; 398 399 static int azx_acquire_irq(struct azx *chip, int do_disconnect); 400 static void set_default_power_save(struct azx *chip); 401 402 /* 403 * initialize the PCI registers 404 */ 405 /* update bits in a PCI register byte */ 406 static void update_pci_byte(struct pci_dev *pci, unsigned int reg, 407 unsigned char mask, unsigned char val) 408 { 409 unsigned char data; 410 411 pci_read_config_byte(pci, reg, &data); 412 data &= ~mask; 413 data |= (val & mask); 414 pci_write_config_byte(pci, reg, data); 415 } 416 417 static void azx_init_pci(struct azx *chip) 418 { 419 int snoop_type = azx_get_snoop_type(chip); 420 421 /* Clear bits 0-2 of PCI register TCSEL (at offset 0x44) 422 * TCSEL == Traffic Class Select Register, which sets PCI express QOS 423 * Ensuring these bits are 0 clears playback static on some HD Audio 424 * codecs. 425 * The PCI register TCSEL is defined in the Intel manuals. 426 */ 427 if (!(chip->driver_caps & AZX_DCAPS_NO_TCSEL)) { 428 dev_dbg(chip->card->dev, "Clearing TCSEL\n"); 429 update_pci_byte(chip->pci, AZX_PCIREG_TCSEL, 0x07, 0); 430 } 431 432 /* For ATI SB450/600/700/800/900 and AMD Hudson azalia HD audio, 433 * we need to enable snoop. 434 */ 435 if (snoop_type == AZX_SNOOP_TYPE_ATI) { 436 dev_dbg(chip->card->dev, "Setting ATI snoop: %d\n", 437 azx_snoop(chip)); 438 update_pci_byte(chip->pci, 439 ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR, 0x07, 440 azx_snoop(chip) ? ATI_SB450_HDAUDIO_ENABLE_SNOOP : 0); 441 } 442 443 /* For NVIDIA HDA, enable snoop */ 444 if (snoop_type == AZX_SNOOP_TYPE_NVIDIA) { 445 dev_dbg(chip->card->dev, "Setting Nvidia snoop: %d\n", 446 azx_snoop(chip)); 447 update_pci_byte(chip->pci, 448 NVIDIA_HDA_TRANSREG_ADDR, 449 0x0f, NVIDIA_HDA_ENABLE_COHBITS); 450 update_pci_byte(chip->pci, 451 NVIDIA_HDA_ISTRM_COH, 452 0x01, NVIDIA_HDA_ENABLE_COHBIT); 453 update_pci_byte(chip->pci, 454 NVIDIA_HDA_OSTRM_COH, 455 0x01, NVIDIA_HDA_ENABLE_COHBIT); 456 } 457 458 /* Enable SCH/PCH snoop if needed */ 459 if (snoop_type == AZX_SNOOP_TYPE_SCH) { 460 unsigned short snoop; 461 pci_read_config_word(chip->pci, INTEL_SCH_HDA_DEVC, &snoop); 462 if ((!azx_snoop(chip) && !(snoop & INTEL_SCH_HDA_DEVC_NOSNOOP)) || 463 (azx_snoop(chip) && (snoop & INTEL_SCH_HDA_DEVC_NOSNOOP))) { 464 snoop &= ~INTEL_SCH_HDA_DEVC_NOSNOOP; 465 if (!azx_snoop(chip)) 466 snoop |= INTEL_SCH_HDA_DEVC_NOSNOOP; 467 pci_write_config_word(chip->pci, INTEL_SCH_HDA_DEVC, snoop); 468 pci_read_config_word(chip->pci, 469 INTEL_SCH_HDA_DEVC, &snoop); 470 } 471 dev_dbg(chip->card->dev, "SCH snoop: %s\n", 472 (snoop & INTEL_SCH_HDA_DEVC_NOSNOOP) ? 473 "Disabled" : "Enabled"); 474 } 475 } 476 477 /* 478 * In BXT-P A0, HD-Audio DMA requests is later than expected, 479 * and makes an audio stream sensitive to system latencies when 480 * 24/32 bits are playing. 481 * Adjusting threshold of DMA fifo to force the DMA request 482 * sooner to improve latency tolerance at the expense of power. 483 */ 484 static void bxt_reduce_dma_latency(struct azx *chip) 485 { 486 u32 val; 487 488 val = azx_readl(chip, VS_EM4L); 489 val &= (0x3 << 20); 490 azx_writel(chip, VS_EM4L, val); 491 } 492 493 /* 494 * ML_LCAP bits: 495 * bit 0: 6 MHz Supported 496 * bit 1: 12 MHz Supported 497 * bit 2: 24 MHz Supported 498 * bit 3: 48 MHz Supported 499 * bit 4: 96 MHz Supported 500 * bit 5: 192 MHz Supported 501 */ 502 static int intel_get_lctl_scf(struct azx *chip) 503 { 504 struct hdac_bus *bus = azx_bus(chip); 505 static int preferred_bits[] = { 2, 3, 1, 4, 5 }; 506 u32 val, t; 507 int i; 508 509 val = readl(bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCAP); 510 511 for (i = 0; i < ARRAY_SIZE(preferred_bits); i++) { 512 t = preferred_bits[i]; 513 if (val & (1 << t)) 514 return t; 515 } 516 517 dev_warn(chip->card->dev, "set audio clock frequency to 6MHz"); 518 return 0; 519 } 520 521 static int intel_ml_lctl_set_power(struct azx *chip, int state) 522 { 523 struct hdac_bus *bus = azx_bus(chip); 524 u32 val; 525 int timeout; 526 527 /* 528 * the codecs are sharing the first link setting by default 529 * If other links are enabled for stream, they need similar fix 530 */ 531 val = readl(bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCTL); 532 val &= ~AZX_MLCTL_SPA; 533 val |= state << AZX_MLCTL_SPA_SHIFT; 534 writel(val, bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCTL); 535 /* wait for CPA */ 536 timeout = 50; 537 while (timeout) { 538 if (((readl(bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCTL)) & 539 AZX_MLCTL_CPA) == (state << AZX_MLCTL_CPA_SHIFT)) 540 return 0; 541 timeout--; 542 udelay(10); 543 } 544 545 return -1; 546 } 547 548 static void intel_init_lctl(struct azx *chip) 549 { 550 struct hdac_bus *bus = azx_bus(chip); 551 u32 val; 552 int ret; 553 554 /* 0. check lctl register value is correct or not */ 555 val = readl(bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCTL); 556 /* if SCF is already set, let's use it */ 557 if ((val & ML_LCTL_SCF_MASK) != 0) 558 return; 559 560 /* 561 * Before operating on SPA, CPA must match SPA. 562 * Any deviation may result in undefined behavior. 563 */ 564 if (((val & AZX_MLCTL_SPA) >> AZX_MLCTL_SPA_SHIFT) != 565 ((val & AZX_MLCTL_CPA) >> AZX_MLCTL_CPA_SHIFT)) 566 return; 567 568 /* 1. turn link down: set SPA to 0 and wait CPA to 0 */ 569 ret = intel_ml_lctl_set_power(chip, 0); 570 udelay(100); 571 if (ret) 572 goto set_spa; 573 574 /* 2. update SCF to select a properly audio clock*/ 575 val &= ~ML_LCTL_SCF_MASK; 576 val |= intel_get_lctl_scf(chip); 577 writel(val, bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCTL); 578 579 set_spa: 580 /* 4. turn link up: set SPA to 1 and wait CPA to 1 */ 581 intel_ml_lctl_set_power(chip, 1); 582 udelay(100); 583 } 584 585 static void hda_intel_init_chip(struct azx *chip, bool full_reset) 586 { 587 struct hdac_bus *bus = azx_bus(chip); 588 struct pci_dev *pci = chip->pci; 589 u32 val; 590 591 snd_hdac_set_codec_wakeup(bus, true); 592 if (chip->driver_type == AZX_DRIVER_SKL) { 593 pci_read_config_dword(pci, INTEL_HDA_CGCTL, &val); 594 val = val & ~INTEL_HDA_CGCTL_MISCBDCGE; 595 pci_write_config_dword(pci, INTEL_HDA_CGCTL, val); 596 } 597 azx_init_chip(chip, full_reset); 598 if (chip->driver_type == AZX_DRIVER_SKL) { 599 pci_read_config_dword(pci, INTEL_HDA_CGCTL, &val); 600 val = val | INTEL_HDA_CGCTL_MISCBDCGE; 601 pci_write_config_dword(pci, INTEL_HDA_CGCTL, val); 602 } 603 604 snd_hdac_set_codec_wakeup(bus, false); 605 606 /* reduce dma latency to avoid noise */ 607 if (IS_BXT(pci)) 608 bxt_reduce_dma_latency(chip); 609 610 if (bus->mlcap != NULL) 611 intel_init_lctl(chip); 612 } 613 614 /* calculate runtime delay from LPIB */ 615 static int azx_get_delay_from_lpib(struct azx *chip, struct azx_dev *azx_dev, 616 unsigned int pos) 617 { 618 struct snd_pcm_substream *substream = azx_dev->core.substream; 619 int stream = substream->stream; 620 unsigned int lpib_pos = azx_get_pos_lpib(chip, azx_dev); 621 int delay; 622 623 if (stream == SNDRV_PCM_STREAM_PLAYBACK) 624 delay = pos - lpib_pos; 625 else 626 delay = lpib_pos - pos; 627 if (delay < 0) { 628 if (delay >= azx_dev->core.delay_negative_threshold) 629 delay = 0; 630 else 631 delay += azx_dev->core.bufsize; 632 } 633 634 if (delay >= azx_dev->core.period_bytes) { 635 dev_info(chip->card->dev, 636 "Unstable LPIB (%d >= %d); disabling LPIB delay counting\n", 637 delay, azx_dev->core.period_bytes); 638 delay = 0; 639 chip->driver_caps &= ~AZX_DCAPS_COUNT_LPIB_DELAY; 640 chip->get_delay[stream] = NULL; 641 } 642 643 return bytes_to_frames(substream->runtime, delay); 644 } 645 646 static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev); 647 648 /* called from IRQ */ 649 static int azx_position_check(struct azx *chip, struct azx_dev *azx_dev) 650 { 651 struct hda_intel *hda = container_of(chip, struct hda_intel, chip); 652 int ok; 653 654 ok = azx_position_ok(chip, azx_dev); 655 if (ok == 1) { 656 azx_dev->irq_pending = 0; 657 return ok; 658 } else if (ok == 0) { 659 /* bogus IRQ, process it later */ 660 azx_dev->irq_pending = 1; 661 schedule_work(&hda->irq_pending_work); 662 } 663 return 0; 664 } 665 666 #define display_power(chip, enable) \ 667 snd_hdac_display_power(azx_bus(chip), HDA_CODEC_IDX_CONTROLLER, enable) 668 669 /* 670 * Check whether the current DMA position is acceptable for updating 671 * periods. Returns non-zero if it's OK. 672 * 673 * Many HD-audio controllers appear pretty inaccurate about 674 * the update-IRQ timing. The IRQ is issued before actually the 675 * data is processed. So, we need to process it afterwords in a 676 * workqueue. 677 */ 678 static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev) 679 { 680 struct snd_pcm_substream *substream = azx_dev->core.substream; 681 int stream = substream->stream; 682 u32 wallclk; 683 unsigned int pos; 684 685 wallclk = azx_readl(chip, WALLCLK) - azx_dev->core.start_wallclk; 686 if (wallclk < (azx_dev->core.period_wallclk * 2) / 3) 687 return -1; /* bogus (too early) interrupt */ 688 689 if (chip->get_position[stream]) 690 pos = chip->get_position[stream](chip, azx_dev); 691 else { /* use the position buffer as default */ 692 pos = azx_get_pos_posbuf(chip, azx_dev); 693 if (!pos || pos == (u32)-1) { 694 dev_info(chip->card->dev, 695 "Invalid position buffer, using LPIB read method instead.\n"); 696 chip->get_position[stream] = azx_get_pos_lpib; 697 if (chip->get_position[0] == azx_get_pos_lpib && 698 chip->get_position[1] == azx_get_pos_lpib) 699 azx_bus(chip)->use_posbuf = false; 700 pos = azx_get_pos_lpib(chip, azx_dev); 701 chip->get_delay[stream] = NULL; 702 } else { 703 chip->get_position[stream] = azx_get_pos_posbuf; 704 if (chip->driver_caps & AZX_DCAPS_COUNT_LPIB_DELAY) 705 chip->get_delay[stream] = azx_get_delay_from_lpib; 706 } 707 } 708 709 if (pos >= azx_dev->core.bufsize) 710 pos = 0; 711 712 if (WARN_ONCE(!azx_dev->core.period_bytes, 713 "hda-intel: zero azx_dev->period_bytes")) 714 return -1; /* this shouldn't happen! */ 715 if (wallclk < (azx_dev->core.period_wallclk * 5) / 4 && 716 pos % azx_dev->core.period_bytes > azx_dev->core.period_bytes / 2) 717 /* NG - it's below the first next period boundary */ 718 return chip->bdl_pos_adj ? 0 : -1; 719 azx_dev->core.start_wallclk += wallclk; 720 return 1; /* OK, it's fine */ 721 } 722 723 /* 724 * The work for pending PCM period updates. 725 */ 726 static void azx_irq_pending_work(struct work_struct *work) 727 { 728 struct hda_intel *hda = container_of(work, struct hda_intel, irq_pending_work); 729 struct azx *chip = &hda->chip; 730 struct hdac_bus *bus = azx_bus(chip); 731 struct hdac_stream *s; 732 int pending, ok; 733 734 if (!hda->irq_pending_warned) { 735 dev_info(chip->card->dev, 736 "IRQ timing workaround is activated for card #%d. Suggest a bigger bdl_pos_adj.\n", 737 chip->card->number); 738 hda->irq_pending_warned = 1; 739 } 740 741 for (;;) { 742 pending = 0; 743 spin_lock_irq(&bus->reg_lock); 744 list_for_each_entry(s, &bus->stream_list, list) { 745 struct azx_dev *azx_dev = stream_to_azx_dev(s); 746 if (!azx_dev->irq_pending || 747 !s->substream || 748 !s->running) 749 continue; 750 ok = azx_position_ok(chip, azx_dev); 751 if (ok > 0) { 752 azx_dev->irq_pending = 0; 753 spin_unlock(&bus->reg_lock); 754 snd_pcm_period_elapsed(s->substream); 755 spin_lock(&bus->reg_lock); 756 } else if (ok < 0) { 757 pending = 0; /* too early */ 758 } else 759 pending++; 760 } 761 spin_unlock_irq(&bus->reg_lock); 762 if (!pending) 763 return; 764 msleep(1); 765 } 766 } 767 768 /* clear irq_pending flags and assure no on-going workq */ 769 static void azx_clear_irq_pending(struct azx *chip) 770 { 771 struct hdac_bus *bus = azx_bus(chip); 772 struct hdac_stream *s; 773 774 spin_lock_irq(&bus->reg_lock); 775 list_for_each_entry(s, &bus->stream_list, list) { 776 struct azx_dev *azx_dev = stream_to_azx_dev(s); 777 azx_dev->irq_pending = 0; 778 } 779 spin_unlock_irq(&bus->reg_lock); 780 } 781 782 static int azx_acquire_irq(struct azx *chip, int do_disconnect) 783 { 784 struct hdac_bus *bus = azx_bus(chip); 785 786 if (request_irq(chip->pci->irq, azx_interrupt, 787 chip->msi ? 0 : IRQF_SHARED, 788 chip->card->irq_descr, chip)) { 789 dev_err(chip->card->dev, 790 "unable to grab IRQ %d, disabling device\n", 791 chip->pci->irq); 792 if (do_disconnect) 793 snd_card_disconnect(chip->card); 794 return -1; 795 } 796 bus->irq = chip->pci->irq; 797 pci_intx(chip->pci, !chip->msi); 798 return 0; 799 } 800 801 /* get the current DMA position with correction on VIA chips */ 802 static unsigned int azx_via_get_position(struct azx *chip, 803 struct azx_dev *azx_dev) 804 { 805 unsigned int link_pos, mini_pos, bound_pos; 806 unsigned int mod_link_pos, mod_dma_pos, mod_mini_pos; 807 unsigned int fifo_size; 808 809 link_pos = snd_hdac_stream_get_pos_lpib(azx_stream(azx_dev)); 810 if (azx_dev->core.substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { 811 /* Playback, no problem using link position */ 812 return link_pos; 813 } 814 815 /* Capture */ 816 /* For new chipset, 817 * use mod to get the DMA position just like old chipset 818 */ 819 mod_dma_pos = le32_to_cpu(*azx_dev->core.posbuf); 820 mod_dma_pos %= azx_dev->core.period_bytes; 821 822 /* azx_dev->fifo_size can't get FIFO size of in stream. 823 * Get from base address + offset. 824 */ 825 fifo_size = readw(azx_bus(chip)->remap_addr + 826 VIA_IN_STREAM0_FIFO_SIZE_OFFSET); 827 828 if (azx_dev->insufficient) { 829 /* Link position never gather than FIFO size */ 830 if (link_pos <= fifo_size) 831 return 0; 832 833 azx_dev->insufficient = 0; 834 } 835 836 if (link_pos <= fifo_size) 837 mini_pos = azx_dev->core.bufsize + link_pos - fifo_size; 838 else 839 mini_pos = link_pos - fifo_size; 840 841 /* Find nearest previous boudary */ 842 mod_mini_pos = mini_pos % azx_dev->core.period_bytes; 843 mod_link_pos = link_pos % azx_dev->core.period_bytes; 844 if (mod_link_pos >= fifo_size) 845 bound_pos = link_pos - mod_link_pos; 846 else if (mod_dma_pos >= mod_mini_pos) 847 bound_pos = mini_pos - mod_mini_pos; 848 else { 849 bound_pos = mini_pos - mod_mini_pos + azx_dev->core.period_bytes; 850 if (bound_pos >= azx_dev->core.bufsize) 851 bound_pos = 0; 852 } 853 854 /* Calculate real DMA position we want */ 855 return bound_pos + mod_dma_pos; 856 } 857 858 static unsigned int azx_skl_get_dpib_pos(struct azx *chip, 859 struct azx_dev *azx_dev) 860 { 861 return _snd_hdac_chip_readl(azx_bus(chip), 862 AZX_REG_VS_SDXDPIB_XBASE + 863 (AZX_REG_VS_SDXDPIB_XINTERVAL * 864 azx_dev->core.index)); 865 } 866 867 /* get the current DMA position with correction on SKL+ chips */ 868 static unsigned int azx_get_pos_skl(struct azx *chip, struct azx_dev *azx_dev) 869 { 870 /* DPIB register gives a more accurate position for playback */ 871 if (azx_dev->core.substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 872 return azx_skl_get_dpib_pos(chip, azx_dev); 873 874 /* For capture, we need to read posbuf, but it requires a delay 875 * for the possible boundary overlap; the read of DPIB fetches the 876 * actual posbuf 877 */ 878 udelay(20); 879 azx_skl_get_dpib_pos(chip, azx_dev); 880 return azx_get_pos_posbuf(chip, azx_dev); 881 } 882 883 #ifdef CONFIG_PM 884 static DEFINE_MUTEX(card_list_lock); 885 static LIST_HEAD(card_list); 886 887 static void azx_add_card_list(struct azx *chip) 888 { 889 struct hda_intel *hda = container_of(chip, struct hda_intel, chip); 890 mutex_lock(&card_list_lock); 891 list_add(&hda->list, &card_list); 892 mutex_unlock(&card_list_lock); 893 } 894 895 static void azx_del_card_list(struct azx *chip) 896 { 897 struct hda_intel *hda = container_of(chip, struct hda_intel, chip); 898 mutex_lock(&card_list_lock); 899 list_del_init(&hda->list); 900 mutex_unlock(&card_list_lock); 901 } 902 903 /* trigger power-save check at writing parameter */ 904 static int param_set_xint(const char *val, const struct kernel_param *kp) 905 { 906 struct hda_intel *hda; 907 struct azx *chip; 908 int prev = power_save; 909 int ret = param_set_int(val, kp); 910 911 if (ret || prev == power_save) 912 return ret; 913 914 mutex_lock(&card_list_lock); 915 list_for_each_entry(hda, &card_list, list) { 916 chip = &hda->chip; 917 if (!hda->probe_continued || chip->disabled) 918 continue; 919 snd_hda_set_power_save(&chip->bus, power_save * 1000); 920 } 921 mutex_unlock(&card_list_lock); 922 return 0; 923 } 924 925 /* 926 * power management 927 */ 928 static bool azx_is_pm_ready(struct snd_card *card) 929 { 930 struct azx *chip; 931 struct hda_intel *hda; 932 933 if (!card) 934 return false; 935 chip = card->private_data; 936 hda = container_of(chip, struct hda_intel, chip); 937 if (chip->disabled || hda->init_failed || !chip->running) 938 return false; 939 return true; 940 } 941 942 static void __azx_runtime_suspend(struct azx *chip) 943 { 944 azx_stop_chip(chip); 945 azx_enter_link_reset(chip); 946 azx_clear_irq_pending(chip); 947 display_power(chip, false); 948 } 949 950 static void __azx_runtime_resume(struct azx *chip, bool from_rt) 951 { 952 struct hda_intel *hda = container_of(chip, struct hda_intel, chip); 953 struct hdac_bus *bus = azx_bus(chip); 954 struct hda_codec *codec; 955 int status; 956 957 display_power(chip, true); 958 if (hda->need_i915_power) 959 snd_hdac_i915_set_bclk(bus); 960 961 /* Read STATESTS before controller reset */ 962 status = azx_readw(chip, STATESTS); 963 964 azx_init_pci(chip); 965 hda_intel_init_chip(chip, true); 966 967 if (status && from_rt) { 968 list_for_each_codec(codec, &chip->bus) 969 if (status & (1 << codec->addr)) 970 schedule_delayed_work(&codec->jackpoll_work, 971 codec->jackpoll_interval); 972 } 973 974 /* power down again for link-controlled chips */ 975 if (!hda->need_i915_power) 976 display_power(chip, false); 977 } 978 979 #ifdef CONFIG_PM_SLEEP 980 static int azx_suspend(struct device *dev) 981 { 982 struct snd_card *card = dev_get_drvdata(dev); 983 struct azx *chip; 984 struct hdac_bus *bus; 985 986 if (!azx_is_pm_ready(card)) 987 return 0; 988 989 chip = card->private_data; 990 bus = azx_bus(chip); 991 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 992 __azx_runtime_suspend(chip); 993 if (bus->irq >= 0) { 994 free_irq(bus->irq, chip); 995 bus->irq = -1; 996 } 997 998 if (chip->msi) 999 pci_disable_msi(chip->pci); 1000 1001 trace_azx_suspend(chip); 1002 return 0; 1003 } 1004 1005 static int azx_resume(struct device *dev) 1006 { 1007 struct snd_card *card = dev_get_drvdata(dev); 1008 struct azx *chip; 1009 1010 if (!azx_is_pm_ready(card)) 1011 return 0; 1012 1013 chip = card->private_data; 1014 if (chip->msi) 1015 if (pci_enable_msi(chip->pci) < 0) 1016 chip->msi = 0; 1017 if (azx_acquire_irq(chip, 1) < 0) 1018 return -EIO; 1019 __azx_runtime_resume(chip, false); 1020 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 1021 1022 trace_azx_resume(chip); 1023 return 0; 1024 } 1025 1026 /* put codec down to D3 at hibernation for Intel SKL+; 1027 * otherwise BIOS may still access the codec and screw up the driver 1028 */ 1029 static int azx_freeze_noirq(struct device *dev) 1030 { 1031 struct snd_card *card = dev_get_drvdata(dev); 1032 struct azx *chip = card->private_data; 1033 struct pci_dev *pci = to_pci_dev(dev); 1034 1035 if (chip->driver_type == AZX_DRIVER_SKL) 1036 pci_set_power_state(pci, PCI_D3hot); 1037 1038 return 0; 1039 } 1040 1041 static int azx_thaw_noirq(struct device *dev) 1042 { 1043 struct snd_card *card = dev_get_drvdata(dev); 1044 struct azx *chip = card->private_data; 1045 struct pci_dev *pci = to_pci_dev(dev); 1046 1047 if (chip->driver_type == AZX_DRIVER_SKL) 1048 pci_set_power_state(pci, PCI_D0); 1049 1050 return 0; 1051 } 1052 #endif /* CONFIG_PM_SLEEP */ 1053 1054 static int azx_runtime_suspend(struct device *dev) 1055 { 1056 struct snd_card *card = dev_get_drvdata(dev); 1057 struct azx *chip; 1058 1059 if (!azx_is_pm_ready(card)) 1060 return 0; 1061 chip = card->private_data; 1062 if (!azx_has_pm_runtime(chip)) 1063 return 0; 1064 1065 /* enable controller wake up event */ 1066 azx_writew(chip, WAKEEN, azx_readw(chip, WAKEEN) | 1067 STATESTS_INT_MASK); 1068 1069 __azx_runtime_suspend(chip); 1070 trace_azx_runtime_suspend(chip); 1071 return 0; 1072 } 1073 1074 static int azx_runtime_resume(struct device *dev) 1075 { 1076 struct snd_card *card = dev_get_drvdata(dev); 1077 struct azx *chip; 1078 1079 if (!azx_is_pm_ready(card)) 1080 return 0; 1081 chip = card->private_data; 1082 if (!azx_has_pm_runtime(chip)) 1083 return 0; 1084 __azx_runtime_resume(chip, true); 1085 1086 /* disable controller Wake Up event*/ 1087 azx_writew(chip, WAKEEN, azx_readw(chip, WAKEEN) & 1088 ~STATESTS_INT_MASK); 1089 1090 trace_azx_runtime_resume(chip); 1091 return 0; 1092 } 1093 1094 static int azx_runtime_idle(struct device *dev) 1095 { 1096 struct snd_card *card = dev_get_drvdata(dev); 1097 struct azx *chip; 1098 struct hda_intel *hda; 1099 1100 if (!card) 1101 return 0; 1102 1103 chip = card->private_data; 1104 hda = container_of(chip, struct hda_intel, chip); 1105 if (chip->disabled || hda->init_failed) 1106 return 0; 1107 1108 if (!power_save_controller || !azx_has_pm_runtime(chip) || 1109 azx_bus(chip)->codec_powered || !chip->running) 1110 return -EBUSY; 1111 1112 /* ELD notification gets broken when HD-audio bus is off */ 1113 if (needs_eld_notify_link(hda)) 1114 return -EBUSY; 1115 1116 return 0; 1117 } 1118 1119 static const struct dev_pm_ops azx_pm = { 1120 SET_SYSTEM_SLEEP_PM_OPS(azx_suspend, azx_resume) 1121 #ifdef CONFIG_PM_SLEEP 1122 .freeze_noirq = azx_freeze_noirq, 1123 .thaw_noirq = azx_thaw_noirq, 1124 #endif 1125 SET_RUNTIME_PM_OPS(azx_runtime_suspend, azx_runtime_resume, azx_runtime_idle) 1126 }; 1127 1128 #define AZX_PM_OPS &azx_pm 1129 #else 1130 #define azx_add_card_list(chip) /* NOP */ 1131 #define azx_del_card_list(chip) /* NOP */ 1132 #define AZX_PM_OPS NULL 1133 #endif /* CONFIG_PM */ 1134 1135 1136 static int azx_probe_continue(struct azx *chip); 1137 1138 #ifdef SUPPORT_VGA_SWITCHEROO 1139 static struct pci_dev *get_bound_vga(struct pci_dev *pci); 1140 1141 static void azx_vs_set_state(struct pci_dev *pci, 1142 enum vga_switcheroo_state state) 1143 { 1144 struct snd_card *card = pci_get_drvdata(pci); 1145 struct azx *chip = card->private_data; 1146 struct hda_intel *hda = container_of(chip, struct hda_intel, chip); 1147 struct hda_codec *codec; 1148 bool disabled; 1149 1150 wait_for_completion(&hda->probe_wait); 1151 if (hda->init_failed) 1152 return; 1153 1154 disabled = (state == VGA_SWITCHEROO_OFF); 1155 if (chip->disabled == disabled) 1156 return; 1157 1158 if (!hda->probe_continued) { 1159 chip->disabled = disabled; 1160 if (!disabled) { 1161 dev_info(chip->card->dev, 1162 "Start delayed initialization\n"); 1163 if (azx_probe_continue(chip) < 0) { 1164 dev_err(chip->card->dev, "initialization error\n"); 1165 hda->init_failed = true; 1166 } 1167 } 1168 } else { 1169 dev_info(chip->card->dev, "%s via vga_switcheroo\n", 1170 disabled ? "Disabling" : "Enabling"); 1171 if (disabled) { 1172 list_for_each_codec(codec, &chip->bus) { 1173 pm_runtime_suspend(hda_codec_dev(codec)); 1174 pm_runtime_disable(hda_codec_dev(codec)); 1175 } 1176 pm_runtime_suspend(card->dev); 1177 pm_runtime_disable(card->dev); 1178 /* when we get suspended by vga_switcheroo we end up in D3cold, 1179 * however we have no ACPI handle, so pci/acpi can't put us there, 1180 * put ourselves there */ 1181 pci->current_state = PCI_D3cold; 1182 chip->disabled = true; 1183 if (snd_hda_lock_devices(&chip->bus)) 1184 dev_warn(chip->card->dev, 1185 "Cannot lock devices!\n"); 1186 } else { 1187 snd_hda_unlock_devices(&chip->bus); 1188 chip->disabled = false; 1189 pm_runtime_enable(card->dev); 1190 list_for_each_codec(codec, &chip->bus) { 1191 pm_runtime_enable(hda_codec_dev(codec)); 1192 pm_runtime_resume(hda_codec_dev(codec)); 1193 } 1194 } 1195 } 1196 } 1197 1198 static bool azx_vs_can_switch(struct pci_dev *pci) 1199 { 1200 struct snd_card *card = pci_get_drvdata(pci); 1201 struct azx *chip = card->private_data; 1202 struct hda_intel *hda = container_of(chip, struct hda_intel, chip); 1203 1204 wait_for_completion(&hda->probe_wait); 1205 if (hda->init_failed) 1206 return false; 1207 if (chip->disabled || !hda->probe_continued) 1208 return true; 1209 if (snd_hda_lock_devices(&chip->bus)) 1210 return false; 1211 snd_hda_unlock_devices(&chip->bus); 1212 return true; 1213 } 1214 1215 /* 1216 * The discrete GPU cannot power down unless the HDA controller runtime 1217 * suspends, so activate runtime PM on codecs even if power_save == 0. 1218 */ 1219 static void setup_vga_switcheroo_runtime_pm(struct azx *chip) 1220 { 1221 struct hda_intel *hda = container_of(chip, struct hda_intel, chip); 1222 struct hda_codec *codec; 1223 1224 if (hda->use_vga_switcheroo && !hda->need_eld_notify_link) { 1225 list_for_each_codec(codec, &chip->bus) 1226 codec->auto_runtime_pm = 1; 1227 /* reset the power save setup */ 1228 if (chip->running) 1229 set_default_power_save(chip); 1230 } 1231 } 1232 1233 static void azx_vs_gpu_bound(struct pci_dev *pci, 1234 enum vga_switcheroo_client_id client_id) 1235 { 1236 struct snd_card *card = pci_get_drvdata(pci); 1237 struct azx *chip = card->private_data; 1238 struct hda_intel *hda = container_of(chip, struct hda_intel, chip); 1239 1240 if (client_id == VGA_SWITCHEROO_DIS) 1241 hda->need_eld_notify_link = 0; 1242 setup_vga_switcheroo_runtime_pm(chip); 1243 } 1244 1245 static void init_vga_switcheroo(struct azx *chip) 1246 { 1247 struct hda_intel *hda = container_of(chip, struct hda_intel, chip); 1248 struct pci_dev *p = get_bound_vga(chip->pci); 1249 if (p) { 1250 dev_info(chip->card->dev, 1251 "Handle vga_switcheroo audio client\n"); 1252 hda->use_vga_switcheroo = 1; 1253 hda->need_eld_notify_link = 1; /* cleared in gpu_bound op */ 1254 chip->driver_caps |= AZX_DCAPS_PM_RUNTIME; 1255 pci_dev_put(p); 1256 } 1257 } 1258 1259 static const struct vga_switcheroo_client_ops azx_vs_ops = { 1260 .set_gpu_state = azx_vs_set_state, 1261 .can_switch = azx_vs_can_switch, 1262 .gpu_bound = azx_vs_gpu_bound, 1263 }; 1264 1265 static int register_vga_switcheroo(struct azx *chip) 1266 { 1267 struct hda_intel *hda = container_of(chip, struct hda_intel, chip); 1268 struct pci_dev *p; 1269 int err; 1270 1271 if (!hda->use_vga_switcheroo) 1272 return 0; 1273 1274 p = get_bound_vga(chip->pci); 1275 err = vga_switcheroo_register_audio_client(chip->pci, &azx_vs_ops, p); 1276 pci_dev_put(p); 1277 1278 if (err < 0) 1279 return err; 1280 hda->vga_switcheroo_registered = 1; 1281 1282 return 0; 1283 } 1284 #else 1285 #define init_vga_switcheroo(chip) /* NOP */ 1286 #define register_vga_switcheroo(chip) 0 1287 #define check_hdmi_disabled(pci) false 1288 #define setup_vga_switcheroo_runtime_pm(chip) /* NOP */ 1289 #endif /* SUPPORT_VGA_SWITCHER */ 1290 1291 /* 1292 * destructor 1293 */ 1294 static int azx_free(struct azx *chip) 1295 { 1296 struct pci_dev *pci = chip->pci; 1297 struct hda_intel *hda = container_of(chip, struct hda_intel, chip); 1298 struct hdac_bus *bus = azx_bus(chip); 1299 1300 if (azx_has_pm_runtime(chip) && chip->running) 1301 pm_runtime_get_noresume(&pci->dev); 1302 chip->running = 0; 1303 1304 azx_del_card_list(chip); 1305 1306 hda->init_failed = 1; /* to be sure */ 1307 complete_all(&hda->probe_wait); 1308 1309 if (use_vga_switcheroo(hda)) { 1310 if (chip->disabled && hda->probe_continued) 1311 snd_hda_unlock_devices(&chip->bus); 1312 if (hda->vga_switcheroo_registered) 1313 vga_switcheroo_unregister_client(chip->pci); 1314 } 1315 1316 if (bus->chip_init) { 1317 azx_clear_irq_pending(chip); 1318 azx_stop_all_streams(chip); 1319 azx_stop_chip(chip); 1320 } 1321 1322 if (bus->irq >= 0) 1323 free_irq(bus->irq, (void*)chip); 1324 if (chip->msi) 1325 pci_disable_msi(chip->pci); 1326 iounmap(bus->remap_addr); 1327 1328 azx_free_stream_pages(chip); 1329 azx_free_streams(chip); 1330 snd_hdac_bus_exit(bus); 1331 1332 if (chip->region_requested) 1333 pci_release_regions(chip->pci); 1334 1335 pci_disable_device(chip->pci); 1336 #ifdef CONFIG_SND_HDA_PATCH_LOADER 1337 release_firmware(chip->fw); 1338 #endif 1339 display_power(chip, false); 1340 1341 if (chip->driver_caps & AZX_DCAPS_I915_COMPONENT) 1342 snd_hdac_i915_exit(bus); 1343 kfree(hda); 1344 1345 return 0; 1346 } 1347 1348 static int azx_dev_disconnect(struct snd_device *device) 1349 { 1350 struct azx *chip = device->device_data; 1351 1352 chip->bus.shutdown = 1; 1353 return 0; 1354 } 1355 1356 static int azx_dev_free(struct snd_device *device) 1357 { 1358 return azx_free(device->device_data); 1359 } 1360 1361 #ifdef SUPPORT_VGA_SWITCHEROO 1362 /* 1363 * Check of disabled HDMI controller by vga_switcheroo 1364 */ 1365 static struct pci_dev *get_bound_vga(struct pci_dev *pci) 1366 { 1367 struct pci_dev *p; 1368 1369 /* check only discrete GPU */ 1370 switch (pci->vendor) { 1371 case PCI_VENDOR_ID_ATI: 1372 case PCI_VENDOR_ID_AMD: 1373 case PCI_VENDOR_ID_NVIDIA: 1374 if (pci->devfn == 1) { 1375 p = pci_get_domain_bus_and_slot(pci_domain_nr(pci->bus), 1376 pci->bus->number, 0); 1377 if (p) { 1378 if ((p->class >> 16) == PCI_BASE_CLASS_DISPLAY) 1379 return p; 1380 pci_dev_put(p); 1381 } 1382 } 1383 break; 1384 } 1385 return NULL; 1386 } 1387 1388 static bool check_hdmi_disabled(struct pci_dev *pci) 1389 { 1390 bool vga_inactive = false; 1391 struct pci_dev *p = get_bound_vga(pci); 1392 1393 if (p) { 1394 if (vga_switcheroo_get_client_state(p) == VGA_SWITCHEROO_OFF) 1395 vga_inactive = true; 1396 pci_dev_put(p); 1397 } 1398 return vga_inactive; 1399 } 1400 #endif /* SUPPORT_VGA_SWITCHEROO */ 1401 1402 /* 1403 * white/black-listing for position_fix 1404 */ 1405 static struct snd_pci_quirk position_fix_list[] = { 1406 SND_PCI_QUIRK(0x1028, 0x01cc, "Dell D820", POS_FIX_LPIB), 1407 SND_PCI_QUIRK(0x1028, 0x01de, "Dell Precision 390", POS_FIX_LPIB), 1408 SND_PCI_QUIRK(0x103c, 0x306d, "HP dv3", POS_FIX_LPIB), 1409 SND_PCI_QUIRK(0x1043, 0x813d, "ASUS P5AD2", POS_FIX_LPIB), 1410 SND_PCI_QUIRK(0x1043, 0x81b3, "ASUS", POS_FIX_LPIB), 1411 SND_PCI_QUIRK(0x1043, 0x81e7, "ASUS M2V", POS_FIX_LPIB), 1412 SND_PCI_QUIRK(0x104d, 0x9069, "Sony VPCS11V9E", POS_FIX_LPIB), 1413 SND_PCI_QUIRK(0x10de, 0xcb89, "Macbook Pro 7,1", POS_FIX_LPIB), 1414 SND_PCI_QUIRK(0x1297, 0x3166, "Shuttle", POS_FIX_LPIB), 1415 SND_PCI_QUIRK(0x1458, 0xa022, "ga-ma770-ud3", POS_FIX_LPIB), 1416 SND_PCI_QUIRK(0x1462, 0x1002, "MSI Wind U115", POS_FIX_LPIB), 1417 SND_PCI_QUIRK(0x1565, 0x8218, "Biostar Microtech", POS_FIX_LPIB), 1418 SND_PCI_QUIRK(0x1849, 0x0888, "775Dual-VSTA", POS_FIX_LPIB), 1419 SND_PCI_QUIRK(0x8086, 0x2503, "DG965OT AAD63733-203", POS_FIX_LPIB), 1420 {} 1421 }; 1422 1423 static int check_position_fix(struct azx *chip, int fix) 1424 { 1425 const struct snd_pci_quirk *q; 1426 1427 switch (fix) { 1428 case POS_FIX_AUTO: 1429 case POS_FIX_LPIB: 1430 case POS_FIX_POSBUF: 1431 case POS_FIX_VIACOMBO: 1432 case POS_FIX_COMBO: 1433 case POS_FIX_SKL: 1434 return fix; 1435 } 1436 1437 q = snd_pci_quirk_lookup(chip->pci, position_fix_list); 1438 if (q) { 1439 dev_info(chip->card->dev, 1440 "position_fix set to %d for device %04x:%04x\n", 1441 q->value, q->subvendor, q->subdevice); 1442 return q->value; 1443 } 1444 1445 /* Check VIA/ATI HD Audio Controller exist */ 1446 if (chip->driver_type == AZX_DRIVER_VIA) { 1447 dev_dbg(chip->card->dev, "Using VIACOMBO position fix\n"); 1448 return POS_FIX_VIACOMBO; 1449 } 1450 if (chip->driver_caps & AZX_DCAPS_POSFIX_LPIB) { 1451 dev_dbg(chip->card->dev, "Using LPIB position fix\n"); 1452 return POS_FIX_LPIB; 1453 } 1454 if (chip->driver_type == AZX_DRIVER_SKL) { 1455 dev_dbg(chip->card->dev, "Using SKL position fix\n"); 1456 return POS_FIX_SKL; 1457 } 1458 return POS_FIX_AUTO; 1459 } 1460 1461 static void assign_position_fix(struct azx *chip, int fix) 1462 { 1463 static azx_get_pos_callback_t callbacks[] = { 1464 [POS_FIX_AUTO] = NULL, 1465 [POS_FIX_LPIB] = azx_get_pos_lpib, 1466 [POS_FIX_POSBUF] = azx_get_pos_posbuf, 1467 [POS_FIX_VIACOMBO] = azx_via_get_position, 1468 [POS_FIX_COMBO] = azx_get_pos_lpib, 1469 [POS_FIX_SKL] = azx_get_pos_skl, 1470 }; 1471 1472 chip->get_position[0] = chip->get_position[1] = callbacks[fix]; 1473 1474 /* combo mode uses LPIB only for playback */ 1475 if (fix == POS_FIX_COMBO) 1476 chip->get_position[1] = NULL; 1477 1478 if ((fix == POS_FIX_POSBUF || fix == POS_FIX_SKL) && 1479 (chip->driver_caps & AZX_DCAPS_COUNT_LPIB_DELAY)) { 1480 chip->get_delay[0] = chip->get_delay[1] = 1481 azx_get_delay_from_lpib; 1482 } 1483 1484 } 1485 1486 /* 1487 * black-lists for probe_mask 1488 */ 1489 static struct snd_pci_quirk probe_mask_list[] = { 1490 /* Thinkpad often breaks the controller communication when accessing 1491 * to the non-working (or non-existing) modem codec slot. 1492 */ 1493 SND_PCI_QUIRK(0x1014, 0x05b7, "Thinkpad Z60", 0x01), 1494 SND_PCI_QUIRK(0x17aa, 0x2010, "Thinkpad X/T/R60", 0x01), 1495 SND_PCI_QUIRK(0x17aa, 0x20ac, "Thinkpad X/T/R61", 0x01), 1496 /* broken BIOS */ 1497 SND_PCI_QUIRK(0x1028, 0x20ac, "Dell Studio Desktop", 0x01), 1498 /* including bogus ALC268 in slot#2 that conflicts with ALC888 */ 1499 SND_PCI_QUIRK(0x17c0, 0x4085, "Medion MD96630", 0x01), 1500 /* forced codec slots */ 1501 SND_PCI_QUIRK(0x1043, 0x1262, "ASUS W5Fm", 0x103), 1502 SND_PCI_QUIRK(0x1046, 0x1262, "ASUS W5F", 0x103), 1503 /* WinFast VP200 H (Teradici) user reported broken communication */ 1504 SND_PCI_QUIRK(0x3a21, 0x040d, "WinFast VP200 H", 0x101), 1505 {} 1506 }; 1507 1508 #define AZX_FORCE_CODEC_MASK 0x100 1509 1510 static void check_probe_mask(struct azx *chip, int dev) 1511 { 1512 const struct snd_pci_quirk *q; 1513 1514 chip->codec_probe_mask = probe_mask[dev]; 1515 if (chip->codec_probe_mask == -1) { 1516 q = snd_pci_quirk_lookup(chip->pci, probe_mask_list); 1517 if (q) { 1518 dev_info(chip->card->dev, 1519 "probe_mask set to 0x%x for device %04x:%04x\n", 1520 q->value, q->subvendor, q->subdevice); 1521 chip->codec_probe_mask = q->value; 1522 } 1523 } 1524 1525 /* check forced option */ 1526 if (chip->codec_probe_mask != -1 && 1527 (chip->codec_probe_mask & AZX_FORCE_CODEC_MASK)) { 1528 azx_bus(chip)->codec_mask = chip->codec_probe_mask & 0xff; 1529 dev_info(chip->card->dev, "codec_mask forced to 0x%x\n", 1530 (int)azx_bus(chip)->codec_mask); 1531 } 1532 } 1533 1534 /* 1535 * white/black-list for enable_msi 1536 */ 1537 static struct snd_pci_quirk msi_black_list[] = { 1538 SND_PCI_QUIRK(0x103c, 0x2191, "HP", 0), /* AMD Hudson */ 1539 SND_PCI_QUIRK(0x103c, 0x2192, "HP", 0), /* AMD Hudson */ 1540 SND_PCI_QUIRK(0x103c, 0x21f7, "HP", 0), /* AMD Hudson */ 1541 SND_PCI_QUIRK(0x103c, 0x21fa, "HP", 0), /* AMD Hudson */ 1542 SND_PCI_QUIRK(0x1043, 0x81f2, "ASUS", 0), /* Athlon64 X2 + nvidia */ 1543 SND_PCI_QUIRK(0x1043, 0x81f6, "ASUS", 0), /* nvidia */ 1544 SND_PCI_QUIRK(0x1043, 0x822d, "ASUS", 0), /* Athlon64 X2 + nvidia MCP55 */ 1545 SND_PCI_QUIRK(0x1179, 0xfb44, "Toshiba Satellite C870", 0), /* AMD Hudson */ 1546 SND_PCI_QUIRK(0x1849, 0x0888, "ASRock", 0), /* Athlon64 X2 + nvidia */ 1547 SND_PCI_QUIRK(0xa0a0, 0x0575, "Aopen MZ915-M", 0), /* ICH6 */ 1548 {} 1549 }; 1550 1551 static void check_msi(struct azx *chip) 1552 { 1553 const struct snd_pci_quirk *q; 1554 1555 if (enable_msi >= 0) { 1556 chip->msi = !!enable_msi; 1557 return; 1558 } 1559 chip->msi = 1; /* enable MSI as default */ 1560 q = snd_pci_quirk_lookup(chip->pci, msi_black_list); 1561 if (q) { 1562 dev_info(chip->card->dev, 1563 "msi for device %04x:%04x set to %d\n", 1564 q->subvendor, q->subdevice, q->value); 1565 chip->msi = q->value; 1566 return; 1567 } 1568 1569 /* NVidia chipsets seem to cause troubles with MSI */ 1570 if (chip->driver_caps & AZX_DCAPS_NO_MSI) { 1571 dev_info(chip->card->dev, "Disabling MSI\n"); 1572 chip->msi = 0; 1573 } 1574 } 1575 1576 /* check the snoop mode availability */ 1577 static void azx_check_snoop_available(struct azx *chip) 1578 { 1579 int snoop = hda_snoop; 1580 1581 if (snoop >= 0) { 1582 dev_info(chip->card->dev, "Force to %s mode by module option\n", 1583 snoop ? "snoop" : "non-snoop"); 1584 chip->snoop = snoop; 1585 chip->uc_buffer = !snoop; 1586 return; 1587 } 1588 1589 snoop = true; 1590 if (azx_get_snoop_type(chip) == AZX_SNOOP_TYPE_NONE && 1591 chip->driver_type == AZX_DRIVER_VIA) { 1592 /* force to non-snoop mode for a new VIA controller 1593 * when BIOS is set 1594 */ 1595 u8 val; 1596 pci_read_config_byte(chip->pci, 0x42, &val); 1597 if (!(val & 0x80) && (chip->pci->revision == 0x30 || 1598 chip->pci->revision == 0x20)) 1599 snoop = false; 1600 } 1601 1602 if (chip->driver_caps & AZX_DCAPS_SNOOP_OFF) 1603 snoop = false; 1604 1605 chip->snoop = snoop; 1606 if (!snoop) { 1607 dev_info(chip->card->dev, "Force to non-snoop mode\n"); 1608 /* C-Media requires non-cached pages only for CORB/RIRB */ 1609 if (chip->driver_type != AZX_DRIVER_CMEDIA) 1610 chip->uc_buffer = true; 1611 } 1612 } 1613 1614 static void azx_probe_work(struct work_struct *work) 1615 { 1616 struct hda_intel *hda = container_of(work, struct hda_intel, probe_work); 1617 azx_probe_continue(&hda->chip); 1618 } 1619 1620 static int default_bdl_pos_adj(struct azx *chip) 1621 { 1622 /* some exceptions: Atoms seem problematic with value 1 */ 1623 if (chip->pci->vendor == PCI_VENDOR_ID_INTEL) { 1624 switch (chip->pci->device) { 1625 case 0x0f04: /* Baytrail */ 1626 case 0x2284: /* Braswell */ 1627 return 32; 1628 } 1629 } 1630 1631 switch (chip->driver_type) { 1632 case AZX_DRIVER_ICH: 1633 case AZX_DRIVER_PCH: 1634 return 1; 1635 default: 1636 return 32; 1637 } 1638 } 1639 1640 /* 1641 * constructor 1642 */ 1643 static const struct hdac_io_ops pci_hda_io_ops; 1644 static const struct hda_controller_ops pci_hda_ops; 1645 1646 static int azx_create(struct snd_card *card, struct pci_dev *pci, 1647 int dev, unsigned int driver_caps, 1648 struct azx **rchip) 1649 { 1650 static struct snd_device_ops ops = { 1651 .dev_disconnect = azx_dev_disconnect, 1652 .dev_free = azx_dev_free, 1653 }; 1654 struct hda_intel *hda; 1655 struct azx *chip; 1656 int err; 1657 1658 *rchip = NULL; 1659 1660 err = pci_enable_device(pci); 1661 if (err < 0) 1662 return err; 1663 1664 hda = kzalloc(sizeof(*hda), GFP_KERNEL); 1665 if (!hda) { 1666 pci_disable_device(pci); 1667 return -ENOMEM; 1668 } 1669 1670 chip = &hda->chip; 1671 mutex_init(&chip->open_mutex); 1672 chip->card = card; 1673 chip->pci = pci; 1674 chip->ops = &pci_hda_ops; 1675 chip->driver_caps = driver_caps; 1676 chip->driver_type = driver_caps & 0xff; 1677 check_msi(chip); 1678 chip->dev_index = dev; 1679 if (jackpoll_ms[dev] >= 50 && jackpoll_ms[dev] <= 60000) 1680 chip->jackpoll_interval = msecs_to_jiffies(jackpoll_ms[dev]); 1681 INIT_LIST_HEAD(&chip->pcm_list); 1682 INIT_WORK(&hda->irq_pending_work, azx_irq_pending_work); 1683 INIT_LIST_HEAD(&hda->list); 1684 init_vga_switcheroo(chip); 1685 init_completion(&hda->probe_wait); 1686 1687 assign_position_fix(chip, check_position_fix(chip, position_fix[dev])); 1688 1689 check_probe_mask(chip, dev); 1690 1691 if (single_cmd < 0) /* allow fallback to single_cmd at errors */ 1692 chip->fallback_to_single_cmd = 1; 1693 else /* explicitly set to single_cmd or not */ 1694 chip->single_cmd = single_cmd; 1695 1696 azx_check_snoop_available(chip); 1697 1698 if (bdl_pos_adj[dev] < 0) 1699 chip->bdl_pos_adj = default_bdl_pos_adj(chip); 1700 else 1701 chip->bdl_pos_adj = bdl_pos_adj[dev]; 1702 1703 /* Workaround for a communication error on CFL (bko#199007) */ 1704 if (IS_CFL(pci)) 1705 chip->polling_mode = 1; 1706 1707 err = azx_bus_init(chip, model[dev], &pci_hda_io_ops); 1708 if (err < 0) { 1709 kfree(hda); 1710 pci_disable_device(pci); 1711 return err; 1712 } 1713 1714 if (chip->driver_type == AZX_DRIVER_NVIDIA) { 1715 dev_dbg(chip->card->dev, "Enable delay in RIRB handling\n"); 1716 chip->bus.needs_damn_long_delay = 1; 1717 } 1718 1719 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); 1720 if (err < 0) { 1721 dev_err(card->dev, "Error creating device [card]!\n"); 1722 azx_free(chip); 1723 return err; 1724 } 1725 1726 /* continue probing in work context as may trigger request module */ 1727 INIT_WORK(&hda->probe_work, azx_probe_work); 1728 1729 *rchip = chip; 1730 1731 return 0; 1732 } 1733 1734 static int azx_first_init(struct azx *chip) 1735 { 1736 int dev = chip->dev_index; 1737 struct pci_dev *pci = chip->pci; 1738 struct snd_card *card = chip->card; 1739 struct hdac_bus *bus = azx_bus(chip); 1740 int err; 1741 unsigned short gcap; 1742 unsigned int dma_bits = 64; 1743 1744 #if BITS_PER_LONG != 64 1745 /* Fix up base address on ULI M5461 */ 1746 if (chip->driver_type == AZX_DRIVER_ULI) { 1747 u16 tmp3; 1748 pci_read_config_word(pci, 0x40, &tmp3); 1749 pci_write_config_word(pci, 0x40, tmp3 | 0x10); 1750 pci_write_config_dword(pci, PCI_BASE_ADDRESS_1, 0); 1751 } 1752 #endif 1753 1754 err = pci_request_regions(pci, "ICH HD audio"); 1755 if (err < 0) 1756 return err; 1757 chip->region_requested = 1; 1758 1759 bus->addr = pci_resource_start(pci, 0); 1760 bus->remap_addr = pci_ioremap_bar(pci, 0); 1761 if (bus->remap_addr == NULL) { 1762 dev_err(card->dev, "ioremap error\n"); 1763 return -ENXIO; 1764 } 1765 1766 if (chip->driver_type == AZX_DRIVER_SKL) 1767 snd_hdac_bus_parse_capabilities(bus); 1768 1769 /* 1770 * Some Intel CPUs has always running timer (ART) feature and 1771 * controller may have Global time sync reporting capability, so 1772 * check both of these before declaring synchronized time reporting 1773 * capability SNDRV_PCM_INFO_HAS_LINK_SYNCHRONIZED_ATIME 1774 */ 1775 chip->gts_present = false; 1776 1777 #ifdef CONFIG_X86 1778 if (bus->ppcap && boot_cpu_has(X86_FEATURE_ART)) 1779 chip->gts_present = true; 1780 #endif 1781 1782 if (chip->msi) { 1783 if (chip->driver_caps & AZX_DCAPS_NO_MSI64) { 1784 dev_dbg(card->dev, "Disabling 64bit MSI\n"); 1785 pci->no_64bit_msi = true; 1786 } 1787 if (pci_enable_msi(pci) < 0) 1788 chip->msi = 0; 1789 } 1790 1791 pci_set_master(pci); 1792 synchronize_irq(bus->irq); 1793 1794 gcap = azx_readw(chip, GCAP); 1795 dev_dbg(card->dev, "chipset global capabilities = 0x%x\n", gcap); 1796 1797 /* AMD devices support 40 or 48bit DMA, take the safe one */ 1798 if (chip->pci->vendor == PCI_VENDOR_ID_AMD) 1799 dma_bits = 40; 1800 1801 /* disable SB600 64bit support for safety */ 1802 if (chip->pci->vendor == PCI_VENDOR_ID_ATI) { 1803 struct pci_dev *p_smbus; 1804 dma_bits = 40; 1805 p_smbus = pci_get_device(PCI_VENDOR_ID_ATI, 1806 PCI_DEVICE_ID_ATI_SBX00_SMBUS, 1807 NULL); 1808 if (p_smbus) { 1809 if (p_smbus->revision < 0x30) 1810 gcap &= ~AZX_GCAP_64OK; 1811 pci_dev_put(p_smbus); 1812 } 1813 } 1814 1815 /* NVidia hardware normally only supports up to 40 bits of DMA */ 1816 if (chip->pci->vendor == PCI_VENDOR_ID_NVIDIA) 1817 dma_bits = 40; 1818 1819 /* disable 64bit DMA address on some devices */ 1820 if (chip->driver_caps & AZX_DCAPS_NO_64BIT) { 1821 dev_dbg(card->dev, "Disabling 64bit DMA\n"); 1822 gcap &= ~AZX_GCAP_64OK; 1823 } 1824 1825 /* disable buffer size rounding to 128-byte multiples if supported */ 1826 if (align_buffer_size >= 0) 1827 chip->align_buffer_size = !!align_buffer_size; 1828 else { 1829 if (chip->driver_caps & AZX_DCAPS_NO_ALIGN_BUFSIZE) 1830 chip->align_buffer_size = 0; 1831 else 1832 chip->align_buffer_size = 1; 1833 } 1834 1835 /* allow 64bit DMA address if supported by H/W */ 1836 if (!(gcap & AZX_GCAP_64OK)) 1837 dma_bits = 32; 1838 if (!dma_set_mask(&pci->dev, DMA_BIT_MASK(dma_bits))) { 1839 dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(dma_bits)); 1840 } else { 1841 dma_set_mask(&pci->dev, DMA_BIT_MASK(32)); 1842 dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(32)); 1843 } 1844 1845 /* read number of streams from GCAP register instead of using 1846 * hardcoded value 1847 */ 1848 chip->capture_streams = (gcap >> 8) & 0x0f; 1849 chip->playback_streams = (gcap >> 12) & 0x0f; 1850 if (!chip->playback_streams && !chip->capture_streams) { 1851 /* gcap didn't give any info, switching to old method */ 1852 1853 switch (chip->driver_type) { 1854 case AZX_DRIVER_ULI: 1855 chip->playback_streams = ULI_NUM_PLAYBACK; 1856 chip->capture_streams = ULI_NUM_CAPTURE; 1857 break; 1858 case AZX_DRIVER_ATIHDMI: 1859 case AZX_DRIVER_ATIHDMI_NS: 1860 chip->playback_streams = ATIHDMI_NUM_PLAYBACK; 1861 chip->capture_streams = ATIHDMI_NUM_CAPTURE; 1862 break; 1863 case AZX_DRIVER_GENERIC: 1864 default: 1865 chip->playback_streams = ICH6_NUM_PLAYBACK; 1866 chip->capture_streams = ICH6_NUM_CAPTURE; 1867 break; 1868 } 1869 } 1870 chip->capture_index_offset = 0; 1871 chip->playback_index_offset = chip->capture_streams; 1872 chip->num_streams = chip->playback_streams + chip->capture_streams; 1873 1874 /* sanity check for the SDxCTL.STRM field overflow */ 1875 if (chip->num_streams > 15 && 1876 (chip->driver_caps & AZX_DCAPS_SEPARATE_STREAM_TAG) == 0) { 1877 dev_warn(chip->card->dev, "number of I/O streams is %d, " 1878 "forcing separate stream tags", chip->num_streams); 1879 chip->driver_caps |= AZX_DCAPS_SEPARATE_STREAM_TAG; 1880 } 1881 1882 /* initialize streams */ 1883 err = azx_init_streams(chip); 1884 if (err < 0) 1885 return err; 1886 1887 err = azx_alloc_stream_pages(chip); 1888 if (err < 0) 1889 return err; 1890 1891 /* initialize chip */ 1892 azx_init_pci(chip); 1893 1894 snd_hdac_i915_set_bclk(bus); 1895 1896 hda_intel_init_chip(chip, (probe_only[dev] & 2) == 0); 1897 1898 /* codec detection */ 1899 if (!azx_bus(chip)->codec_mask) { 1900 dev_err(card->dev, "no codecs found!\n"); 1901 return -ENODEV; 1902 } 1903 1904 if (azx_acquire_irq(chip, 0) < 0) 1905 return -EBUSY; 1906 1907 strcpy(card->driver, "HDA-Intel"); 1908 strlcpy(card->shortname, driver_short_names[chip->driver_type], 1909 sizeof(card->shortname)); 1910 snprintf(card->longname, sizeof(card->longname), 1911 "%s at 0x%lx irq %i", 1912 card->shortname, bus->addr, bus->irq); 1913 1914 return 0; 1915 } 1916 1917 #ifdef CONFIG_SND_HDA_PATCH_LOADER 1918 /* callback from request_firmware_nowait() */ 1919 static void azx_firmware_cb(const struct firmware *fw, void *context) 1920 { 1921 struct snd_card *card = context; 1922 struct azx *chip = card->private_data; 1923 struct pci_dev *pci = chip->pci; 1924 1925 if (!fw) { 1926 dev_err(card->dev, "Cannot load firmware, aborting\n"); 1927 goto error; 1928 } 1929 1930 chip->fw = fw; 1931 if (!chip->disabled) { 1932 /* continue probing */ 1933 if (azx_probe_continue(chip)) 1934 goto error; 1935 } 1936 return; /* OK */ 1937 1938 error: 1939 snd_card_free(card); 1940 pci_set_drvdata(pci, NULL); 1941 } 1942 #endif 1943 1944 /* 1945 * HDA controller ops. 1946 */ 1947 1948 /* PCI register access. */ 1949 static void pci_azx_writel(u32 value, u32 __iomem *addr) 1950 { 1951 writel(value, addr); 1952 } 1953 1954 static u32 pci_azx_readl(u32 __iomem *addr) 1955 { 1956 return readl(addr); 1957 } 1958 1959 static void pci_azx_writew(u16 value, u16 __iomem *addr) 1960 { 1961 writew(value, addr); 1962 } 1963 1964 static u16 pci_azx_readw(u16 __iomem *addr) 1965 { 1966 return readw(addr); 1967 } 1968 1969 static void pci_azx_writeb(u8 value, u8 __iomem *addr) 1970 { 1971 writeb(value, addr); 1972 } 1973 1974 static u8 pci_azx_readb(u8 __iomem *addr) 1975 { 1976 return readb(addr); 1977 } 1978 1979 static int disable_msi_reset_irq(struct azx *chip) 1980 { 1981 struct hdac_bus *bus = azx_bus(chip); 1982 int err; 1983 1984 free_irq(bus->irq, chip); 1985 bus->irq = -1; 1986 pci_disable_msi(chip->pci); 1987 chip->msi = 0; 1988 err = azx_acquire_irq(chip, 1); 1989 if (err < 0) 1990 return err; 1991 1992 return 0; 1993 } 1994 1995 /* DMA page allocation helpers. */ 1996 static int dma_alloc_pages(struct hdac_bus *bus, 1997 int type, 1998 size_t size, 1999 struct snd_dma_buffer *buf) 2000 { 2001 struct azx *chip = bus_to_azx(bus); 2002 2003 if (!azx_snoop(chip) && type == SNDRV_DMA_TYPE_DEV) 2004 type = SNDRV_DMA_TYPE_DEV_UC; 2005 return snd_dma_alloc_pages(type, bus->dev, size, buf); 2006 } 2007 2008 static void dma_free_pages(struct hdac_bus *bus, struct snd_dma_buffer *buf) 2009 { 2010 snd_dma_free_pages(buf); 2011 } 2012 2013 static void pcm_mmap_prepare(struct snd_pcm_substream *substream, 2014 struct vm_area_struct *area) 2015 { 2016 #ifdef CONFIG_X86 2017 struct azx_pcm *apcm = snd_pcm_substream_chip(substream); 2018 struct azx *chip = apcm->chip; 2019 if (chip->uc_buffer) 2020 area->vm_page_prot = pgprot_writecombine(area->vm_page_prot); 2021 #endif 2022 } 2023 2024 static const struct hdac_io_ops pci_hda_io_ops = { 2025 .reg_writel = pci_azx_writel, 2026 .reg_readl = pci_azx_readl, 2027 .reg_writew = pci_azx_writew, 2028 .reg_readw = pci_azx_readw, 2029 .reg_writeb = pci_azx_writeb, 2030 .reg_readb = pci_azx_readb, 2031 .dma_alloc_pages = dma_alloc_pages, 2032 .dma_free_pages = dma_free_pages, 2033 }; 2034 2035 static const struct hda_controller_ops pci_hda_ops = { 2036 .disable_msi_reset_irq = disable_msi_reset_irq, 2037 .pcm_mmap_prepare = pcm_mmap_prepare, 2038 .position_check = azx_position_check, 2039 }; 2040 2041 static int azx_probe(struct pci_dev *pci, 2042 const struct pci_device_id *pci_id) 2043 { 2044 static int dev; 2045 struct snd_card *card; 2046 struct hda_intel *hda; 2047 struct azx *chip; 2048 bool schedule_probe; 2049 int err; 2050 2051 if (dev >= SNDRV_CARDS) 2052 return -ENODEV; 2053 if (!enable[dev]) { 2054 dev++; 2055 return -ENOENT; 2056 } 2057 2058 err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE, 2059 0, &card); 2060 if (err < 0) { 2061 dev_err(&pci->dev, "Error creating card!\n"); 2062 return err; 2063 } 2064 2065 err = azx_create(card, pci, dev, pci_id->driver_data, &chip); 2066 if (err < 0) 2067 goto out_free; 2068 card->private_data = chip; 2069 hda = container_of(chip, struct hda_intel, chip); 2070 2071 pci_set_drvdata(pci, card); 2072 2073 err = register_vga_switcheroo(chip); 2074 if (err < 0) { 2075 dev_err(card->dev, "Error registering vga_switcheroo client\n"); 2076 goto out_free; 2077 } 2078 2079 if (check_hdmi_disabled(pci)) { 2080 dev_info(card->dev, "VGA controller is disabled\n"); 2081 dev_info(card->dev, "Delaying initialization\n"); 2082 chip->disabled = true; 2083 } 2084 2085 schedule_probe = !chip->disabled; 2086 2087 #ifdef CONFIG_SND_HDA_PATCH_LOADER 2088 if (patch[dev] && *patch[dev]) { 2089 dev_info(card->dev, "Applying patch firmware '%s'\n", 2090 patch[dev]); 2091 err = request_firmware_nowait(THIS_MODULE, true, patch[dev], 2092 &pci->dev, GFP_KERNEL, card, 2093 azx_firmware_cb); 2094 if (err < 0) 2095 goto out_free; 2096 schedule_probe = false; /* continued in azx_firmware_cb() */ 2097 } 2098 #endif /* CONFIG_SND_HDA_PATCH_LOADER */ 2099 2100 #ifndef CONFIG_SND_HDA_I915 2101 if (CONTROLLER_IN_GPU(pci)) 2102 dev_err(card->dev, "Haswell/Broadwell HDMI/DP must build in CONFIG_SND_HDA_I915\n"); 2103 #endif 2104 2105 if (schedule_probe) 2106 schedule_work(&hda->probe_work); 2107 2108 dev++; 2109 if (chip->disabled) 2110 complete_all(&hda->probe_wait); 2111 return 0; 2112 2113 out_free: 2114 snd_card_free(card); 2115 return err; 2116 } 2117 2118 #ifdef CONFIG_PM 2119 /* On some boards setting power_save to a non 0 value leads to clicking / 2120 * popping sounds when ever we enter/leave powersaving mode. Ideally we would 2121 * figure out how to avoid these sounds, but that is not always feasible. 2122 * So we keep a list of devices where we disable powersaving as its known 2123 * to causes problems on these devices. 2124 */ 2125 static struct snd_pci_quirk power_save_blacklist[] = { 2126 /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */ 2127 SND_PCI_QUIRK(0x1849, 0xc892, "Asrock B85M-ITX", 0), 2128 /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */ 2129 SND_PCI_QUIRK(0x1849, 0x0397, "Asrock N68C-S UCC", 0), 2130 /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */ 2131 SND_PCI_QUIRK(0x1849, 0x7662, "Asrock H81M-HDS", 0), 2132 /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */ 2133 SND_PCI_QUIRK(0x1043, 0x8733, "Asus Prime X370-Pro", 0), 2134 /* https://bugzilla.redhat.com/show_bug.cgi?id=1581607 */ 2135 SND_PCI_QUIRK(0x1558, 0x3501, "Clevo W35xSS_370SS", 0), 2136 /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */ 2137 SND_PCI_QUIRK(0x1028, 0x0497, "Dell Precision T3600", 0), 2138 /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */ 2139 /* Note the P55A-UD3 and Z87-D3HP share the subsys id for the HDA dev */ 2140 SND_PCI_QUIRK(0x1458, 0xa002, "Gigabyte P55A-UD3 / Z87-D3HP", 0), 2141 /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */ 2142 SND_PCI_QUIRK(0x8086, 0x2040, "Intel DZ77BH-55K", 0), 2143 /* https://bugzilla.kernel.org/show_bug.cgi?id=199607 */ 2144 SND_PCI_QUIRK(0x8086, 0x2057, "Intel NUC5i7RYB", 0), 2145 /* https://bugs.launchpad.net/bugs/1821663 */ 2146 SND_PCI_QUIRK(0x8086, 0x2064, "Intel SDP 8086:2064", 0), 2147 /* https://bugzilla.redhat.com/show_bug.cgi?id=1520902 */ 2148 SND_PCI_QUIRK(0x8086, 0x2068, "Intel NUC7i3BNB", 0), 2149 /* https://bugzilla.kernel.org/show_bug.cgi?id=198611 */ 2150 SND_PCI_QUIRK(0x17aa, 0x2227, "Lenovo X1 Carbon 3rd Gen", 0), 2151 /* https://bugzilla.redhat.com/show_bug.cgi?id=1689623 */ 2152 SND_PCI_QUIRK(0x17aa, 0x367b, "Lenovo IdeaCentre B550", 0), 2153 /* https://bugzilla.redhat.com/show_bug.cgi?id=1572975 */ 2154 SND_PCI_QUIRK(0x17aa, 0x36a7, "Lenovo C50 All in one", 0), 2155 /* https://bugs.launchpad.net/bugs/1821663 */ 2156 SND_PCI_QUIRK(0x1631, 0xe017, "Packard Bell NEC IMEDIA 5204", 0), 2157 {} 2158 }; 2159 #endif /* CONFIG_PM */ 2160 2161 static void set_default_power_save(struct azx *chip) 2162 { 2163 int val = power_save; 2164 2165 #ifdef CONFIG_PM 2166 if (pm_blacklist) { 2167 const struct snd_pci_quirk *q; 2168 2169 q = snd_pci_quirk_lookup(chip->pci, power_save_blacklist); 2170 if (q && val) { 2171 dev_info(chip->card->dev, "device %04x:%04x is on the power_save blacklist, forcing power_save to 0\n", 2172 q->subvendor, q->subdevice); 2173 val = 0; 2174 } 2175 } 2176 #endif /* CONFIG_PM */ 2177 snd_hda_set_power_save(&chip->bus, val * 1000); 2178 } 2179 2180 /* number of codec slots for each chipset: 0 = default slots (i.e. 4) */ 2181 static unsigned int azx_max_codecs[AZX_NUM_DRIVERS] = { 2182 [AZX_DRIVER_NVIDIA] = 8, 2183 [AZX_DRIVER_TERA] = 1, 2184 }; 2185 2186 static int azx_probe_continue(struct azx *chip) 2187 { 2188 struct hda_intel *hda = container_of(chip, struct hda_intel, chip); 2189 struct hdac_bus *bus = azx_bus(chip); 2190 struct pci_dev *pci = chip->pci; 2191 int dev = chip->dev_index; 2192 int err; 2193 2194 to_hda_bus(bus)->bus_probing = 1; 2195 hda->probe_continued = 1; 2196 2197 /* bind with i915 if needed */ 2198 if (chip->driver_caps & AZX_DCAPS_I915_COMPONENT) { 2199 err = snd_hdac_i915_init(bus); 2200 if (err < 0) { 2201 /* if the controller is bound only with HDMI/DP 2202 * (for HSW and BDW), we need to abort the probe; 2203 * for other chips, still continue probing as other 2204 * codecs can be on the same link. 2205 */ 2206 if (CONTROLLER_IN_GPU(pci)) { 2207 dev_err(chip->card->dev, 2208 "HSW/BDW HD-audio HDMI/DP requires binding with gfx driver\n"); 2209 goto out_free; 2210 } else { 2211 /* don't bother any longer */ 2212 chip->driver_caps &= ~AZX_DCAPS_I915_COMPONENT; 2213 } 2214 } 2215 2216 /* HSW/BDW controllers need this power */ 2217 if (CONTROLLER_IN_GPU(pci)) 2218 hda->need_i915_power = 1; 2219 } 2220 2221 /* Request display power well for the HDA controller or codec. For 2222 * Haswell/Broadwell, both the display HDA controller and codec need 2223 * this power. For other platforms, like Baytrail/Braswell, only the 2224 * display codec needs the power and it can be released after probe. 2225 */ 2226 display_power(chip, true); 2227 2228 err = azx_first_init(chip); 2229 if (err < 0) 2230 goto out_free; 2231 2232 #ifdef CONFIG_SND_HDA_INPUT_BEEP 2233 chip->beep_mode = beep_mode[dev]; 2234 #endif 2235 2236 /* create codec instances */ 2237 err = azx_probe_codecs(chip, azx_max_codecs[chip->driver_type]); 2238 if (err < 0) 2239 goto out_free; 2240 2241 #ifdef CONFIG_SND_HDA_PATCH_LOADER 2242 if (chip->fw) { 2243 err = snd_hda_load_patch(&chip->bus, chip->fw->size, 2244 chip->fw->data); 2245 if (err < 0) 2246 goto out_free; 2247 #ifndef CONFIG_PM 2248 release_firmware(chip->fw); /* no longer needed */ 2249 chip->fw = NULL; 2250 #endif 2251 } 2252 #endif 2253 if ((probe_only[dev] & 1) == 0) { 2254 err = azx_codec_configure(chip); 2255 if (err < 0) 2256 goto out_free; 2257 } 2258 2259 err = snd_card_register(chip->card); 2260 if (err < 0) 2261 goto out_free; 2262 2263 setup_vga_switcheroo_runtime_pm(chip); 2264 2265 chip->running = 1; 2266 azx_add_card_list(chip); 2267 2268 set_default_power_save(chip); 2269 2270 if (azx_has_pm_runtime(chip)) 2271 pm_runtime_put_autosuspend(&pci->dev); 2272 2273 out_free: 2274 if (err < 0 || !hda->need_i915_power) 2275 display_power(chip, false); 2276 if (err < 0) 2277 hda->init_failed = 1; 2278 complete_all(&hda->probe_wait); 2279 to_hda_bus(bus)->bus_probing = 0; 2280 return err; 2281 } 2282 2283 static void azx_remove(struct pci_dev *pci) 2284 { 2285 struct snd_card *card = pci_get_drvdata(pci); 2286 struct azx *chip; 2287 struct hda_intel *hda; 2288 2289 if (card) { 2290 /* cancel the pending probing work */ 2291 chip = card->private_data; 2292 hda = container_of(chip, struct hda_intel, chip); 2293 /* FIXME: below is an ugly workaround. 2294 * Both device_release_driver() and driver_probe_device() 2295 * take *both* the device's and its parent's lock before 2296 * calling the remove() and probe() callbacks. The codec 2297 * probe takes the locks of both the codec itself and its 2298 * parent, i.e. the PCI controller dev. Meanwhile, when 2299 * the PCI controller is unbound, it takes its lock, too 2300 * ==> ouch, a deadlock! 2301 * As a workaround, we unlock temporarily here the controller 2302 * device during cancel_work_sync() call. 2303 */ 2304 device_unlock(&pci->dev); 2305 cancel_work_sync(&hda->probe_work); 2306 device_lock(&pci->dev); 2307 2308 snd_card_free(card); 2309 } 2310 } 2311 2312 static void azx_shutdown(struct pci_dev *pci) 2313 { 2314 struct snd_card *card = pci_get_drvdata(pci); 2315 struct azx *chip; 2316 2317 if (!card) 2318 return; 2319 chip = card->private_data; 2320 if (chip && chip->running) 2321 azx_stop_chip(chip); 2322 } 2323 2324 /* PCI IDs */ 2325 static const struct pci_device_id azx_ids[] = { 2326 /* CPT */ 2327 { PCI_DEVICE(0x8086, 0x1c20), 2328 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM }, 2329 /* PBG */ 2330 { PCI_DEVICE(0x8086, 0x1d20), 2331 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM }, 2332 /* Panther Point */ 2333 { PCI_DEVICE(0x8086, 0x1e20), 2334 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM }, 2335 /* Lynx Point */ 2336 { PCI_DEVICE(0x8086, 0x8c20), 2337 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH }, 2338 /* 9 Series */ 2339 { PCI_DEVICE(0x8086, 0x8ca0), 2340 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH }, 2341 /* Wellsburg */ 2342 { PCI_DEVICE(0x8086, 0x8d20), 2343 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH }, 2344 { PCI_DEVICE(0x8086, 0x8d21), 2345 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH }, 2346 /* Lewisburg */ 2347 { PCI_DEVICE(0x8086, 0xa1f0), 2348 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE }, 2349 { PCI_DEVICE(0x8086, 0xa270), 2350 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE }, 2351 /* Lynx Point-LP */ 2352 { PCI_DEVICE(0x8086, 0x9c20), 2353 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH }, 2354 /* Lynx Point-LP */ 2355 { PCI_DEVICE(0x8086, 0x9c21), 2356 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH }, 2357 /* Wildcat Point-LP */ 2358 { PCI_DEVICE(0x8086, 0x9ca0), 2359 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH }, 2360 /* Sunrise Point */ 2361 { PCI_DEVICE(0x8086, 0xa170), 2362 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE }, 2363 /* Sunrise Point-LP */ 2364 { PCI_DEVICE(0x8086, 0x9d70), 2365 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE }, 2366 /* Kabylake */ 2367 { PCI_DEVICE(0x8086, 0xa171), 2368 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE }, 2369 /* Kabylake-LP */ 2370 { PCI_DEVICE(0x8086, 0x9d71), 2371 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE }, 2372 /* Kabylake-H */ 2373 { PCI_DEVICE(0x8086, 0xa2f0), 2374 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE }, 2375 /* Coffelake */ 2376 { PCI_DEVICE(0x8086, 0xa348), 2377 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE}, 2378 /* Cannonlake */ 2379 { PCI_DEVICE(0x8086, 0x9dc8), 2380 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE}, 2381 /* CometLake-LP */ 2382 { PCI_DEVICE(0x8086, 0x02C8), 2383 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE}, 2384 /* CometLake-H */ 2385 { PCI_DEVICE(0x8086, 0x06C8), 2386 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE}, 2387 /* Icelake */ 2388 { PCI_DEVICE(0x8086, 0x34c8), 2389 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE}, 2390 /* Broxton-P(Apollolake) */ 2391 { PCI_DEVICE(0x8086, 0x5a98), 2392 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_BROXTON }, 2393 /* Broxton-T */ 2394 { PCI_DEVICE(0x8086, 0x1a98), 2395 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_BROXTON }, 2396 /* Gemini-Lake */ 2397 { PCI_DEVICE(0x8086, 0x3198), 2398 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_BROXTON }, 2399 /* Haswell */ 2400 { PCI_DEVICE(0x8086, 0x0a0c), 2401 .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL }, 2402 { PCI_DEVICE(0x8086, 0x0c0c), 2403 .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL }, 2404 { PCI_DEVICE(0x8086, 0x0d0c), 2405 .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL }, 2406 /* Broadwell */ 2407 { PCI_DEVICE(0x8086, 0x160c), 2408 .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_BROADWELL }, 2409 /* 5 Series/3400 */ 2410 { PCI_DEVICE(0x8086, 0x3b56), 2411 .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_NOPM }, 2412 /* Poulsbo */ 2413 { PCI_DEVICE(0x8086, 0x811b), 2414 .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_BASE }, 2415 /* Oaktrail */ 2416 { PCI_DEVICE(0x8086, 0x080a), 2417 .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_BASE }, 2418 /* BayTrail */ 2419 { PCI_DEVICE(0x8086, 0x0f04), 2420 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BAYTRAIL }, 2421 /* Braswell */ 2422 { PCI_DEVICE(0x8086, 0x2284), 2423 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BRASWELL }, 2424 /* ICH6 */ 2425 { PCI_DEVICE(0x8086, 0x2668), 2426 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH }, 2427 /* ICH7 */ 2428 { PCI_DEVICE(0x8086, 0x27d8), 2429 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH }, 2430 /* ESB2 */ 2431 { PCI_DEVICE(0x8086, 0x269a), 2432 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH }, 2433 /* ICH8 */ 2434 { PCI_DEVICE(0x8086, 0x284b), 2435 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH }, 2436 /* ICH9 */ 2437 { PCI_DEVICE(0x8086, 0x293e), 2438 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH }, 2439 /* ICH9 */ 2440 { PCI_DEVICE(0x8086, 0x293f), 2441 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH }, 2442 /* ICH10 */ 2443 { PCI_DEVICE(0x8086, 0x3a3e), 2444 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH }, 2445 /* ICH10 */ 2446 { PCI_DEVICE(0x8086, 0x3a6e), 2447 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH }, 2448 /* Generic Intel */ 2449 { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_ANY_ID), 2450 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8, 2451 .class_mask = 0xffffff, 2452 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_NO_ALIGN_BUFSIZE }, 2453 /* ATI SB 450/600/700/800/900 */ 2454 { PCI_DEVICE(0x1002, 0x437b), 2455 .driver_data = AZX_DRIVER_ATI | AZX_DCAPS_PRESET_ATI_SB }, 2456 { PCI_DEVICE(0x1002, 0x4383), 2457 .driver_data = AZX_DRIVER_ATI | AZX_DCAPS_PRESET_ATI_SB }, 2458 /* AMD Hudson */ 2459 { PCI_DEVICE(0x1022, 0x780d), 2460 .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB }, 2461 /* AMD Stoney */ 2462 { PCI_DEVICE(0x1022, 0x157a), 2463 .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB | 2464 AZX_DCAPS_PM_RUNTIME }, 2465 /* AMD Raven */ 2466 { PCI_DEVICE(0x1022, 0x15e3), 2467 .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB | 2468 AZX_DCAPS_PM_RUNTIME }, 2469 /* ATI HDMI */ 2470 { PCI_DEVICE(0x1002, 0x0002), 2471 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, 2472 { PCI_DEVICE(0x1002, 0x1308), 2473 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, 2474 { PCI_DEVICE(0x1002, 0x157a), 2475 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, 2476 { PCI_DEVICE(0x1002, 0x15b3), 2477 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, 2478 { PCI_DEVICE(0x1002, 0x793b), 2479 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2480 { PCI_DEVICE(0x1002, 0x7919), 2481 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2482 { PCI_DEVICE(0x1002, 0x960f), 2483 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2484 { PCI_DEVICE(0x1002, 0x970f), 2485 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2486 { PCI_DEVICE(0x1002, 0x9840), 2487 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, 2488 { PCI_DEVICE(0x1002, 0xaa00), 2489 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2490 { PCI_DEVICE(0x1002, 0xaa08), 2491 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2492 { PCI_DEVICE(0x1002, 0xaa10), 2493 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2494 { PCI_DEVICE(0x1002, 0xaa18), 2495 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2496 { PCI_DEVICE(0x1002, 0xaa20), 2497 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2498 { PCI_DEVICE(0x1002, 0xaa28), 2499 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2500 { PCI_DEVICE(0x1002, 0xaa30), 2501 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2502 { PCI_DEVICE(0x1002, 0xaa38), 2503 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2504 { PCI_DEVICE(0x1002, 0xaa40), 2505 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2506 { PCI_DEVICE(0x1002, 0xaa48), 2507 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2508 { PCI_DEVICE(0x1002, 0xaa50), 2509 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2510 { PCI_DEVICE(0x1002, 0xaa58), 2511 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2512 { PCI_DEVICE(0x1002, 0xaa60), 2513 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2514 { PCI_DEVICE(0x1002, 0xaa68), 2515 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2516 { PCI_DEVICE(0x1002, 0xaa80), 2517 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2518 { PCI_DEVICE(0x1002, 0xaa88), 2519 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2520 { PCI_DEVICE(0x1002, 0xaa90), 2521 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2522 { PCI_DEVICE(0x1002, 0xaa98), 2523 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2524 { PCI_DEVICE(0x1002, 0x9902), 2525 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, 2526 { PCI_DEVICE(0x1002, 0xaaa0), 2527 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, 2528 { PCI_DEVICE(0x1002, 0xaaa8), 2529 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, 2530 { PCI_DEVICE(0x1002, 0xaab0), 2531 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, 2532 { PCI_DEVICE(0x1002, 0xaac0), 2533 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, 2534 { PCI_DEVICE(0x1002, 0xaac8), 2535 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, 2536 { PCI_DEVICE(0x1002, 0xaad8), 2537 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, 2538 { PCI_DEVICE(0x1002, 0xaae8), 2539 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, 2540 { PCI_DEVICE(0x1002, 0xaae0), 2541 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, 2542 { PCI_DEVICE(0x1002, 0xaaf0), 2543 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, 2544 /* VIA VT8251/VT8237A */ 2545 { PCI_DEVICE(0x1106, 0x3288), .driver_data = AZX_DRIVER_VIA }, 2546 /* VIA GFX VT7122/VX900 */ 2547 { PCI_DEVICE(0x1106, 0x9170), .driver_data = AZX_DRIVER_GENERIC }, 2548 /* VIA GFX VT6122/VX11 */ 2549 { PCI_DEVICE(0x1106, 0x9140), .driver_data = AZX_DRIVER_GENERIC }, 2550 /* SIS966 */ 2551 { PCI_DEVICE(0x1039, 0x7502), .driver_data = AZX_DRIVER_SIS }, 2552 /* ULI M5461 */ 2553 { PCI_DEVICE(0x10b9, 0x5461), .driver_data = AZX_DRIVER_ULI }, 2554 /* NVIDIA MCP */ 2555 { PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID), 2556 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8, 2557 .class_mask = 0xffffff, 2558 .driver_data = AZX_DRIVER_NVIDIA | AZX_DCAPS_PRESET_NVIDIA }, 2559 /* Teradici */ 2560 { PCI_DEVICE(0x6549, 0x1200), 2561 .driver_data = AZX_DRIVER_TERA | AZX_DCAPS_NO_64BIT }, 2562 { PCI_DEVICE(0x6549, 0x2200), 2563 .driver_data = AZX_DRIVER_TERA | AZX_DCAPS_NO_64BIT }, 2564 /* Creative X-Fi (CA0110-IBG) */ 2565 /* CTHDA chips */ 2566 { PCI_DEVICE(0x1102, 0x0010), 2567 .driver_data = AZX_DRIVER_CTHDA | AZX_DCAPS_PRESET_CTHDA }, 2568 { PCI_DEVICE(0x1102, 0x0012), 2569 .driver_data = AZX_DRIVER_CTHDA | AZX_DCAPS_PRESET_CTHDA }, 2570 #if !IS_ENABLED(CONFIG_SND_CTXFI) 2571 /* the following entry conflicts with snd-ctxfi driver, 2572 * as ctxfi driver mutates from HD-audio to native mode with 2573 * a special command sequence. 2574 */ 2575 { PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_ANY_ID), 2576 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8, 2577 .class_mask = 0xffffff, 2578 .driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND | 2579 AZX_DCAPS_NO_64BIT | AZX_DCAPS_POSFIX_LPIB }, 2580 #else 2581 /* this entry seems still valid -- i.e. without emu20kx chip */ 2582 { PCI_DEVICE(0x1102, 0x0009), 2583 .driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND | 2584 AZX_DCAPS_NO_64BIT | AZX_DCAPS_POSFIX_LPIB }, 2585 #endif 2586 /* CM8888 */ 2587 { PCI_DEVICE(0x13f6, 0x5011), 2588 .driver_data = AZX_DRIVER_CMEDIA | 2589 AZX_DCAPS_NO_MSI | AZX_DCAPS_POSFIX_LPIB | AZX_DCAPS_SNOOP_OFF }, 2590 /* Vortex86MX */ 2591 { PCI_DEVICE(0x17f3, 0x3010), .driver_data = AZX_DRIVER_GENERIC }, 2592 /* VMware HDAudio */ 2593 { PCI_DEVICE(0x15ad, 0x1977), .driver_data = AZX_DRIVER_GENERIC }, 2594 /* AMD/ATI Generic, PCI class code and Vendor ID for HD Audio */ 2595 { PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_ANY_ID), 2596 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8, 2597 .class_mask = 0xffffff, 2598 .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_HDMI }, 2599 { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_ANY_ID), 2600 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8, 2601 .class_mask = 0xffffff, 2602 .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_HDMI }, 2603 { 0, } 2604 }; 2605 MODULE_DEVICE_TABLE(pci, azx_ids); 2606 2607 /* pci_driver definition */ 2608 static struct pci_driver azx_driver = { 2609 .name = KBUILD_MODNAME, 2610 .id_table = azx_ids, 2611 .probe = azx_probe, 2612 .remove = azx_remove, 2613 .shutdown = azx_shutdown, 2614 .driver = { 2615 .pm = AZX_PM_OPS, 2616 }, 2617 }; 2618 2619 module_pci_driver(azx_driver); 2620