1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * 4 * hda_intel.c - Implementation of primary alsa driver code base 5 * for Intel HD Audio. 6 * 7 * Copyright(c) 2004 Intel Corporation. All rights reserved. 8 * 9 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de> 10 * PeiSen Hou <pshou@realtek.com.tw> 11 * 12 * CONTACTS: 13 * 14 * Matt Jared matt.jared@intel.com 15 * Andy Kopp andy.kopp@intel.com 16 * Dan Kogan dan.d.kogan@intel.com 17 * 18 * CHANGES: 19 * 20 * 2004.12.01 Major rewrite by tiwai, merged the work of pshou 21 */ 22 23 #include <linux/delay.h> 24 #include <linux/interrupt.h> 25 #include <linux/kernel.h> 26 #include <linux/module.h> 27 #include <linux/dma-mapping.h> 28 #include <linux/moduleparam.h> 29 #include <linux/init.h> 30 #include <linux/slab.h> 31 #include <linux/pci.h> 32 #include <linux/mutex.h> 33 #include <linux/io.h> 34 #include <linux/pm_runtime.h> 35 #include <linux/clocksource.h> 36 #include <linux/time.h> 37 #include <linux/completion.h> 38 #include <linux/acpi.h> 39 40 #ifdef CONFIG_X86 41 /* for snoop control */ 42 #include <asm/pgtable.h> 43 #include <asm/set_memory.h> 44 #include <asm/cpufeature.h> 45 #endif 46 #include <sound/core.h> 47 #include <sound/initval.h> 48 #include <sound/hdaudio.h> 49 #include <sound/hda_i915.h> 50 #include <sound/intel-dsp-config.h> 51 #include <linux/vgaarb.h> 52 #include <linux/vga_switcheroo.h> 53 #include <linux/firmware.h> 54 #include <sound/hda_codec.h> 55 #include "hda_controller.h" 56 #include "hda_intel.h" 57 58 #define CREATE_TRACE_POINTS 59 #include "hda_intel_trace.h" 60 61 /* position fix mode */ 62 enum { 63 POS_FIX_AUTO, 64 POS_FIX_LPIB, 65 POS_FIX_POSBUF, 66 POS_FIX_VIACOMBO, 67 POS_FIX_COMBO, 68 POS_FIX_SKL, 69 POS_FIX_FIFO, 70 }; 71 72 /* Defines for ATI HD Audio support in SB450 south bridge */ 73 #define ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR 0x42 74 #define ATI_SB450_HDAUDIO_ENABLE_SNOOP 0x02 75 76 /* Defines for Nvidia HDA support */ 77 #define NVIDIA_HDA_TRANSREG_ADDR 0x4e 78 #define NVIDIA_HDA_ENABLE_COHBITS 0x0f 79 #define NVIDIA_HDA_ISTRM_COH 0x4d 80 #define NVIDIA_HDA_OSTRM_COH 0x4c 81 #define NVIDIA_HDA_ENABLE_COHBIT 0x01 82 83 /* Defines for Intel SCH HDA snoop control */ 84 #define INTEL_HDA_CGCTL 0x48 85 #define INTEL_HDA_CGCTL_MISCBDCGE (0x1 << 6) 86 #define INTEL_SCH_HDA_DEVC 0x78 87 #define INTEL_SCH_HDA_DEVC_NOSNOOP (0x1<<11) 88 89 /* Define VIA HD Audio Device ID*/ 90 #define VIA_HDAC_DEVICE_ID 0x3288 91 92 /* max number of SDs */ 93 /* ICH, ATI and VIA have 4 playback and 4 capture */ 94 #define ICH6_NUM_CAPTURE 4 95 #define ICH6_NUM_PLAYBACK 4 96 97 /* ULI has 6 playback and 5 capture */ 98 #define ULI_NUM_CAPTURE 5 99 #define ULI_NUM_PLAYBACK 6 100 101 /* ATI HDMI may have up to 8 playbacks and 0 capture */ 102 #define ATIHDMI_NUM_CAPTURE 0 103 #define ATIHDMI_NUM_PLAYBACK 8 104 105 /* TERA has 4 playback and 3 capture */ 106 #define TERA_NUM_CAPTURE 3 107 #define TERA_NUM_PLAYBACK 4 108 109 110 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; 111 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; 112 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; 113 static char *model[SNDRV_CARDS]; 114 static int position_fix[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1}; 115 static int bdl_pos_adj[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1}; 116 static int probe_mask[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1}; 117 static int probe_only[SNDRV_CARDS]; 118 static int jackpoll_ms[SNDRV_CARDS]; 119 static int single_cmd = -1; 120 static int enable_msi = -1; 121 #ifdef CONFIG_SND_HDA_PATCH_LOADER 122 static char *patch[SNDRV_CARDS]; 123 #endif 124 #ifdef CONFIG_SND_HDA_INPUT_BEEP 125 static bool beep_mode[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = 126 CONFIG_SND_HDA_INPUT_BEEP_MODE}; 127 #endif 128 static bool dmic_detect = 1; 129 130 module_param_array(index, int, NULL, 0444); 131 MODULE_PARM_DESC(index, "Index value for Intel HD audio interface."); 132 module_param_array(id, charp, NULL, 0444); 133 MODULE_PARM_DESC(id, "ID string for Intel HD audio interface."); 134 module_param_array(enable, bool, NULL, 0444); 135 MODULE_PARM_DESC(enable, "Enable Intel HD audio interface."); 136 module_param_array(model, charp, NULL, 0444); 137 MODULE_PARM_DESC(model, "Use the given board model."); 138 module_param_array(position_fix, int, NULL, 0444); 139 MODULE_PARM_DESC(position_fix, "DMA pointer read method." 140 "(-1 = system default, 0 = auto, 1 = LPIB, 2 = POSBUF, 3 = VIACOMBO, 4 = COMBO, 5 = SKL+, 6 = FIFO)."); 141 module_param_array(bdl_pos_adj, int, NULL, 0644); 142 MODULE_PARM_DESC(bdl_pos_adj, "BDL position adjustment offset."); 143 module_param_array(probe_mask, int, NULL, 0444); 144 MODULE_PARM_DESC(probe_mask, "Bitmask to probe codecs (default = -1)."); 145 module_param_array(probe_only, int, NULL, 0444); 146 MODULE_PARM_DESC(probe_only, "Only probing and no codec initialization."); 147 module_param_array(jackpoll_ms, int, NULL, 0444); 148 MODULE_PARM_DESC(jackpoll_ms, "Ms between polling for jack events (default = 0, using unsol events only)"); 149 module_param(single_cmd, bint, 0444); 150 MODULE_PARM_DESC(single_cmd, "Use single command to communicate with codecs " 151 "(for debugging only)."); 152 module_param(enable_msi, bint, 0444); 153 MODULE_PARM_DESC(enable_msi, "Enable Message Signaled Interrupt (MSI)"); 154 #ifdef CONFIG_SND_HDA_PATCH_LOADER 155 module_param_array(patch, charp, NULL, 0444); 156 MODULE_PARM_DESC(patch, "Patch file for Intel HD audio interface."); 157 #endif 158 #ifdef CONFIG_SND_HDA_INPUT_BEEP 159 module_param_array(beep_mode, bool, NULL, 0444); 160 MODULE_PARM_DESC(beep_mode, "Select HDA Beep registration mode " 161 "(0=off, 1=on) (default=1)."); 162 #endif 163 module_param(dmic_detect, bool, 0444); 164 MODULE_PARM_DESC(dmic_detect, "Allow DSP driver selection (bypass this driver) " 165 "(0=off, 1=on) (default=1); " 166 "deprecated, use snd-intel-dspcfg.dsp_driver option instead"); 167 168 #ifdef CONFIG_PM 169 static int param_set_xint(const char *val, const struct kernel_param *kp); 170 static const struct kernel_param_ops param_ops_xint = { 171 .set = param_set_xint, 172 .get = param_get_int, 173 }; 174 #define param_check_xint param_check_int 175 176 static int power_save = CONFIG_SND_HDA_POWER_SAVE_DEFAULT; 177 module_param(power_save, xint, 0644); 178 MODULE_PARM_DESC(power_save, "Automatic power-saving timeout " 179 "(in second, 0 = disable)."); 180 181 static bool pm_blacklist = true; 182 module_param(pm_blacklist, bool, 0644); 183 MODULE_PARM_DESC(pm_blacklist, "Enable power-management blacklist"); 184 185 /* reset the HD-audio controller in power save mode. 186 * this may give more power-saving, but will take longer time to 187 * wake up. 188 */ 189 static bool power_save_controller = 1; 190 module_param(power_save_controller, bool, 0644); 191 MODULE_PARM_DESC(power_save_controller, "Reset controller in power save mode."); 192 #else 193 #define power_save 0 194 #endif /* CONFIG_PM */ 195 196 static int align_buffer_size = -1; 197 module_param(align_buffer_size, bint, 0644); 198 MODULE_PARM_DESC(align_buffer_size, 199 "Force buffer and period sizes to be multiple of 128 bytes."); 200 201 #ifdef CONFIG_X86 202 static int hda_snoop = -1; 203 module_param_named(snoop, hda_snoop, bint, 0444); 204 MODULE_PARM_DESC(snoop, "Enable/disable snooping"); 205 #else 206 #define hda_snoop true 207 #endif 208 209 210 MODULE_LICENSE("GPL"); 211 MODULE_SUPPORTED_DEVICE("{{Intel, ICH6}," 212 "{Intel, ICH6M}," 213 "{Intel, ICH7}," 214 "{Intel, ESB2}," 215 "{Intel, ICH8}," 216 "{Intel, ICH9}," 217 "{Intel, ICH10}," 218 "{Intel, PCH}," 219 "{Intel, CPT}," 220 "{Intel, PPT}," 221 "{Intel, LPT}," 222 "{Intel, LPT_LP}," 223 "{Intel, WPT_LP}," 224 "{Intel, SPT}," 225 "{Intel, SPT_LP}," 226 "{Intel, HPT}," 227 "{Intel, PBG}," 228 "{Intel, SCH}," 229 "{ATI, SB450}," 230 "{ATI, SB600}," 231 "{ATI, RS600}," 232 "{ATI, RS690}," 233 "{ATI, RS780}," 234 "{ATI, R600}," 235 "{ATI, RV630}," 236 "{ATI, RV610}," 237 "{ATI, RV670}," 238 "{ATI, RV635}," 239 "{ATI, RV620}," 240 "{ATI, RV770}," 241 "{VIA, VT8251}," 242 "{VIA, VT8237A}," 243 "{SiS, SIS966}," 244 "{ULI, M5461}}"); 245 MODULE_DESCRIPTION("Intel HDA driver"); 246 247 #if defined(CONFIG_PM) && defined(CONFIG_VGA_SWITCHEROO) 248 #if IS_ENABLED(CONFIG_SND_HDA_CODEC_HDMI) 249 #define SUPPORT_VGA_SWITCHEROO 250 #endif 251 #endif 252 253 254 /* 255 */ 256 257 /* driver types */ 258 enum { 259 AZX_DRIVER_ICH, 260 AZX_DRIVER_PCH, 261 AZX_DRIVER_SCH, 262 AZX_DRIVER_SKL, 263 AZX_DRIVER_HDMI, 264 AZX_DRIVER_ATI, 265 AZX_DRIVER_ATIHDMI, 266 AZX_DRIVER_ATIHDMI_NS, 267 AZX_DRIVER_VIA, 268 AZX_DRIVER_SIS, 269 AZX_DRIVER_ULI, 270 AZX_DRIVER_NVIDIA, 271 AZX_DRIVER_TERA, 272 AZX_DRIVER_CTX, 273 AZX_DRIVER_CTHDA, 274 AZX_DRIVER_CMEDIA, 275 AZX_DRIVER_ZHAOXIN, 276 AZX_DRIVER_GENERIC, 277 AZX_NUM_DRIVERS, /* keep this as last entry */ 278 }; 279 280 #define azx_get_snoop_type(chip) \ 281 (((chip)->driver_caps & AZX_DCAPS_SNOOP_MASK) >> 10) 282 #define AZX_DCAPS_SNOOP_TYPE(type) ((AZX_SNOOP_TYPE_ ## type) << 10) 283 284 /* quirks for old Intel chipsets */ 285 #define AZX_DCAPS_INTEL_ICH \ 286 (AZX_DCAPS_OLD_SSYNC | AZX_DCAPS_NO_ALIGN_BUFSIZE |\ 287 AZX_DCAPS_SYNC_WRITE) 288 289 /* quirks for Intel PCH */ 290 #define AZX_DCAPS_INTEL_PCH_BASE \ 291 (AZX_DCAPS_NO_ALIGN_BUFSIZE | AZX_DCAPS_COUNT_LPIB_DELAY |\ 292 AZX_DCAPS_SNOOP_TYPE(SCH) | AZX_DCAPS_SYNC_WRITE) 293 294 /* PCH up to IVB; no runtime PM; bind with i915 gfx */ 295 #define AZX_DCAPS_INTEL_PCH_NOPM \ 296 (AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_I915_COMPONENT) 297 298 /* PCH for HSW/BDW; with runtime PM */ 299 /* no i915 binding for this as HSW/BDW has another controller for HDMI */ 300 #define AZX_DCAPS_INTEL_PCH \ 301 (AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_PM_RUNTIME) 302 303 /* HSW HDMI */ 304 #define AZX_DCAPS_INTEL_HASWELL \ 305 (/*AZX_DCAPS_ALIGN_BUFSIZE |*/ AZX_DCAPS_COUNT_LPIB_DELAY |\ 306 AZX_DCAPS_PM_RUNTIME | AZX_DCAPS_I915_COMPONENT |\ 307 AZX_DCAPS_SNOOP_TYPE(SCH) | AZX_DCAPS_SYNC_WRITE) 308 309 /* Broadwell HDMI can't use position buffer reliably, force to use LPIB */ 310 #define AZX_DCAPS_INTEL_BROADWELL \ 311 (/*AZX_DCAPS_ALIGN_BUFSIZE |*/ AZX_DCAPS_POSFIX_LPIB |\ 312 AZX_DCAPS_PM_RUNTIME | AZX_DCAPS_I915_COMPONENT |\ 313 AZX_DCAPS_SNOOP_TYPE(SCH) | AZX_DCAPS_SYNC_WRITE) 314 315 #define AZX_DCAPS_INTEL_BAYTRAIL \ 316 (AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_I915_COMPONENT) 317 318 #define AZX_DCAPS_INTEL_BRASWELL \ 319 (AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_PM_RUNTIME |\ 320 AZX_DCAPS_I915_COMPONENT) 321 322 #define AZX_DCAPS_INTEL_SKYLAKE \ 323 (AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_PM_RUNTIME |\ 324 AZX_DCAPS_SYNC_WRITE |\ 325 AZX_DCAPS_SEPARATE_STREAM_TAG | AZX_DCAPS_I915_COMPONENT) 326 327 #define AZX_DCAPS_INTEL_BROXTON AZX_DCAPS_INTEL_SKYLAKE 328 329 /* quirks for ATI SB / AMD Hudson */ 330 #define AZX_DCAPS_PRESET_ATI_SB \ 331 (AZX_DCAPS_NO_TCSEL | AZX_DCAPS_SYNC_WRITE | AZX_DCAPS_POSFIX_LPIB |\ 332 AZX_DCAPS_SNOOP_TYPE(ATI)) 333 334 /* quirks for ATI/AMD HDMI */ 335 #define AZX_DCAPS_PRESET_ATI_HDMI \ 336 (AZX_DCAPS_NO_TCSEL | AZX_DCAPS_SYNC_WRITE | AZX_DCAPS_POSFIX_LPIB|\ 337 AZX_DCAPS_NO_MSI64) 338 339 /* quirks for ATI HDMI with snoop off */ 340 #define AZX_DCAPS_PRESET_ATI_HDMI_NS \ 341 (AZX_DCAPS_PRESET_ATI_HDMI | AZX_DCAPS_SNOOP_OFF) 342 343 /* quirks for AMD SB */ 344 #define AZX_DCAPS_PRESET_AMD_SB \ 345 (AZX_DCAPS_NO_TCSEL | AZX_DCAPS_SYNC_WRITE | AZX_DCAPS_AMD_WORKAROUND |\ 346 AZX_DCAPS_SNOOP_TYPE(ATI) | AZX_DCAPS_PM_RUNTIME) 347 348 /* quirks for Nvidia */ 349 #define AZX_DCAPS_PRESET_NVIDIA \ 350 (AZX_DCAPS_NO_MSI | AZX_DCAPS_CORBRP_SELF_CLEAR |\ 351 AZX_DCAPS_SNOOP_TYPE(NVIDIA)) 352 353 #define AZX_DCAPS_PRESET_CTHDA \ 354 (AZX_DCAPS_NO_MSI | AZX_DCAPS_POSFIX_LPIB |\ 355 AZX_DCAPS_NO_64BIT |\ 356 AZX_DCAPS_4K_BDLE_BOUNDARY | AZX_DCAPS_SNOOP_OFF) 357 358 /* 359 * vga_switcheroo support 360 */ 361 #ifdef SUPPORT_VGA_SWITCHEROO 362 #define use_vga_switcheroo(chip) ((chip)->use_vga_switcheroo) 363 #define needs_eld_notify_link(chip) ((chip)->bus.keep_power) 364 #else 365 #define use_vga_switcheroo(chip) 0 366 #define needs_eld_notify_link(chip) false 367 #endif 368 369 #define CONTROLLER_IN_GPU(pci) (((pci)->device == 0x0a0c) || \ 370 ((pci)->device == 0x0c0c) || \ 371 ((pci)->device == 0x0d0c) || \ 372 ((pci)->device == 0x160c)) 373 374 #define IS_BXT(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x5a98) 375 376 static const char * const driver_short_names[] = { 377 [AZX_DRIVER_ICH] = "HDA Intel", 378 [AZX_DRIVER_PCH] = "HDA Intel PCH", 379 [AZX_DRIVER_SCH] = "HDA Intel MID", 380 [AZX_DRIVER_SKL] = "HDA Intel PCH", /* kept old name for compatibility */ 381 [AZX_DRIVER_HDMI] = "HDA Intel HDMI", 382 [AZX_DRIVER_ATI] = "HDA ATI SB", 383 [AZX_DRIVER_ATIHDMI] = "HDA ATI HDMI", 384 [AZX_DRIVER_ATIHDMI_NS] = "HDA ATI HDMI", 385 [AZX_DRIVER_VIA] = "HDA VIA VT82xx", 386 [AZX_DRIVER_SIS] = "HDA SIS966", 387 [AZX_DRIVER_ULI] = "HDA ULI M5461", 388 [AZX_DRIVER_NVIDIA] = "HDA NVidia", 389 [AZX_DRIVER_TERA] = "HDA Teradici", 390 [AZX_DRIVER_CTX] = "HDA Creative", 391 [AZX_DRIVER_CTHDA] = "HDA Creative", 392 [AZX_DRIVER_CMEDIA] = "HDA C-Media", 393 [AZX_DRIVER_ZHAOXIN] = "HDA Zhaoxin", 394 [AZX_DRIVER_GENERIC] = "HD-Audio Generic", 395 }; 396 397 static int azx_acquire_irq(struct azx *chip, int do_disconnect); 398 static void set_default_power_save(struct azx *chip); 399 400 /* 401 * initialize the PCI registers 402 */ 403 /* update bits in a PCI register byte */ 404 static void update_pci_byte(struct pci_dev *pci, unsigned int reg, 405 unsigned char mask, unsigned char val) 406 { 407 unsigned char data; 408 409 pci_read_config_byte(pci, reg, &data); 410 data &= ~mask; 411 data |= (val & mask); 412 pci_write_config_byte(pci, reg, data); 413 } 414 415 static void azx_init_pci(struct azx *chip) 416 { 417 int snoop_type = azx_get_snoop_type(chip); 418 419 /* Clear bits 0-2 of PCI register TCSEL (at offset 0x44) 420 * TCSEL == Traffic Class Select Register, which sets PCI express QOS 421 * Ensuring these bits are 0 clears playback static on some HD Audio 422 * codecs. 423 * The PCI register TCSEL is defined in the Intel manuals. 424 */ 425 if (!(chip->driver_caps & AZX_DCAPS_NO_TCSEL)) { 426 dev_dbg(chip->card->dev, "Clearing TCSEL\n"); 427 update_pci_byte(chip->pci, AZX_PCIREG_TCSEL, 0x07, 0); 428 } 429 430 /* For ATI SB450/600/700/800/900 and AMD Hudson azalia HD audio, 431 * we need to enable snoop. 432 */ 433 if (snoop_type == AZX_SNOOP_TYPE_ATI) { 434 dev_dbg(chip->card->dev, "Setting ATI snoop: %d\n", 435 azx_snoop(chip)); 436 update_pci_byte(chip->pci, 437 ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR, 0x07, 438 azx_snoop(chip) ? ATI_SB450_HDAUDIO_ENABLE_SNOOP : 0); 439 } 440 441 /* For NVIDIA HDA, enable snoop */ 442 if (snoop_type == AZX_SNOOP_TYPE_NVIDIA) { 443 dev_dbg(chip->card->dev, "Setting Nvidia snoop: %d\n", 444 azx_snoop(chip)); 445 update_pci_byte(chip->pci, 446 NVIDIA_HDA_TRANSREG_ADDR, 447 0x0f, NVIDIA_HDA_ENABLE_COHBITS); 448 update_pci_byte(chip->pci, 449 NVIDIA_HDA_ISTRM_COH, 450 0x01, NVIDIA_HDA_ENABLE_COHBIT); 451 update_pci_byte(chip->pci, 452 NVIDIA_HDA_OSTRM_COH, 453 0x01, NVIDIA_HDA_ENABLE_COHBIT); 454 } 455 456 /* Enable SCH/PCH snoop if needed */ 457 if (snoop_type == AZX_SNOOP_TYPE_SCH) { 458 unsigned short snoop; 459 pci_read_config_word(chip->pci, INTEL_SCH_HDA_DEVC, &snoop); 460 if ((!azx_snoop(chip) && !(snoop & INTEL_SCH_HDA_DEVC_NOSNOOP)) || 461 (azx_snoop(chip) && (snoop & INTEL_SCH_HDA_DEVC_NOSNOOP))) { 462 snoop &= ~INTEL_SCH_HDA_DEVC_NOSNOOP; 463 if (!azx_snoop(chip)) 464 snoop |= INTEL_SCH_HDA_DEVC_NOSNOOP; 465 pci_write_config_word(chip->pci, INTEL_SCH_HDA_DEVC, snoop); 466 pci_read_config_word(chip->pci, 467 INTEL_SCH_HDA_DEVC, &snoop); 468 } 469 dev_dbg(chip->card->dev, "SCH snoop: %s\n", 470 (snoop & INTEL_SCH_HDA_DEVC_NOSNOOP) ? 471 "Disabled" : "Enabled"); 472 } 473 } 474 475 /* 476 * In BXT-P A0, HD-Audio DMA requests is later than expected, 477 * and makes an audio stream sensitive to system latencies when 478 * 24/32 bits are playing. 479 * Adjusting threshold of DMA fifo to force the DMA request 480 * sooner to improve latency tolerance at the expense of power. 481 */ 482 static void bxt_reduce_dma_latency(struct azx *chip) 483 { 484 u32 val; 485 486 val = azx_readl(chip, VS_EM4L); 487 val &= (0x3 << 20); 488 azx_writel(chip, VS_EM4L, val); 489 } 490 491 /* 492 * ML_LCAP bits: 493 * bit 0: 6 MHz Supported 494 * bit 1: 12 MHz Supported 495 * bit 2: 24 MHz Supported 496 * bit 3: 48 MHz Supported 497 * bit 4: 96 MHz Supported 498 * bit 5: 192 MHz Supported 499 */ 500 static int intel_get_lctl_scf(struct azx *chip) 501 { 502 struct hdac_bus *bus = azx_bus(chip); 503 static const int preferred_bits[] = { 2, 3, 1, 4, 5 }; 504 u32 val, t; 505 int i; 506 507 val = readl(bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCAP); 508 509 for (i = 0; i < ARRAY_SIZE(preferred_bits); i++) { 510 t = preferred_bits[i]; 511 if (val & (1 << t)) 512 return t; 513 } 514 515 dev_warn(chip->card->dev, "set audio clock frequency to 6MHz"); 516 return 0; 517 } 518 519 static int intel_ml_lctl_set_power(struct azx *chip, int state) 520 { 521 struct hdac_bus *bus = azx_bus(chip); 522 u32 val; 523 int timeout; 524 525 /* 526 * the codecs are sharing the first link setting by default 527 * If other links are enabled for stream, they need similar fix 528 */ 529 val = readl(bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCTL); 530 val &= ~AZX_MLCTL_SPA; 531 val |= state << AZX_MLCTL_SPA_SHIFT; 532 writel(val, bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCTL); 533 /* wait for CPA */ 534 timeout = 50; 535 while (timeout) { 536 if (((readl(bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCTL)) & 537 AZX_MLCTL_CPA) == (state << AZX_MLCTL_CPA_SHIFT)) 538 return 0; 539 timeout--; 540 udelay(10); 541 } 542 543 return -1; 544 } 545 546 static void intel_init_lctl(struct azx *chip) 547 { 548 struct hdac_bus *bus = azx_bus(chip); 549 u32 val; 550 int ret; 551 552 /* 0. check lctl register value is correct or not */ 553 val = readl(bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCTL); 554 /* if SCF is already set, let's use it */ 555 if ((val & ML_LCTL_SCF_MASK) != 0) 556 return; 557 558 /* 559 * Before operating on SPA, CPA must match SPA. 560 * Any deviation may result in undefined behavior. 561 */ 562 if (((val & AZX_MLCTL_SPA) >> AZX_MLCTL_SPA_SHIFT) != 563 ((val & AZX_MLCTL_CPA) >> AZX_MLCTL_CPA_SHIFT)) 564 return; 565 566 /* 1. turn link down: set SPA to 0 and wait CPA to 0 */ 567 ret = intel_ml_lctl_set_power(chip, 0); 568 udelay(100); 569 if (ret) 570 goto set_spa; 571 572 /* 2. update SCF to select a properly audio clock*/ 573 val &= ~ML_LCTL_SCF_MASK; 574 val |= intel_get_lctl_scf(chip); 575 writel(val, bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCTL); 576 577 set_spa: 578 /* 4. turn link up: set SPA to 1 and wait CPA to 1 */ 579 intel_ml_lctl_set_power(chip, 1); 580 udelay(100); 581 } 582 583 static void hda_intel_init_chip(struct azx *chip, bool full_reset) 584 { 585 struct hdac_bus *bus = azx_bus(chip); 586 struct pci_dev *pci = chip->pci; 587 u32 val; 588 589 snd_hdac_set_codec_wakeup(bus, true); 590 if (chip->driver_type == AZX_DRIVER_SKL) { 591 pci_read_config_dword(pci, INTEL_HDA_CGCTL, &val); 592 val = val & ~INTEL_HDA_CGCTL_MISCBDCGE; 593 pci_write_config_dword(pci, INTEL_HDA_CGCTL, val); 594 } 595 azx_init_chip(chip, full_reset); 596 if (chip->driver_type == AZX_DRIVER_SKL) { 597 pci_read_config_dword(pci, INTEL_HDA_CGCTL, &val); 598 val = val | INTEL_HDA_CGCTL_MISCBDCGE; 599 pci_write_config_dword(pci, INTEL_HDA_CGCTL, val); 600 } 601 602 snd_hdac_set_codec_wakeup(bus, false); 603 604 /* reduce dma latency to avoid noise */ 605 if (IS_BXT(pci)) 606 bxt_reduce_dma_latency(chip); 607 608 if (bus->mlcap != NULL) 609 intel_init_lctl(chip); 610 } 611 612 /* calculate runtime delay from LPIB */ 613 static int azx_get_delay_from_lpib(struct azx *chip, struct azx_dev *azx_dev, 614 unsigned int pos) 615 { 616 struct snd_pcm_substream *substream = azx_dev->core.substream; 617 int stream = substream->stream; 618 unsigned int lpib_pos = azx_get_pos_lpib(chip, azx_dev); 619 int delay; 620 621 if (stream == SNDRV_PCM_STREAM_PLAYBACK) 622 delay = pos - lpib_pos; 623 else 624 delay = lpib_pos - pos; 625 if (delay < 0) { 626 if (delay >= azx_dev->core.delay_negative_threshold) 627 delay = 0; 628 else 629 delay += azx_dev->core.bufsize; 630 } 631 632 if (delay >= azx_dev->core.period_bytes) { 633 dev_info(chip->card->dev, 634 "Unstable LPIB (%d >= %d); disabling LPIB delay counting\n", 635 delay, azx_dev->core.period_bytes); 636 delay = 0; 637 chip->driver_caps &= ~AZX_DCAPS_COUNT_LPIB_DELAY; 638 chip->get_delay[stream] = NULL; 639 } 640 641 return bytes_to_frames(substream->runtime, delay); 642 } 643 644 static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev); 645 646 /* called from IRQ */ 647 static int azx_position_check(struct azx *chip, struct azx_dev *azx_dev) 648 { 649 struct hda_intel *hda = container_of(chip, struct hda_intel, chip); 650 int ok; 651 652 ok = azx_position_ok(chip, azx_dev); 653 if (ok == 1) { 654 azx_dev->irq_pending = 0; 655 return ok; 656 } else if (ok == 0) { 657 /* bogus IRQ, process it later */ 658 azx_dev->irq_pending = 1; 659 schedule_work(&hda->irq_pending_work); 660 } 661 return 0; 662 } 663 664 #define display_power(chip, enable) \ 665 snd_hdac_display_power(azx_bus(chip), HDA_CODEC_IDX_CONTROLLER, enable) 666 667 /* 668 * Check whether the current DMA position is acceptable for updating 669 * periods. Returns non-zero if it's OK. 670 * 671 * Many HD-audio controllers appear pretty inaccurate about 672 * the update-IRQ timing. The IRQ is issued before actually the 673 * data is processed. So, we need to process it afterwords in a 674 * workqueue. 675 */ 676 static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev) 677 { 678 struct snd_pcm_substream *substream = azx_dev->core.substream; 679 int stream = substream->stream; 680 u32 wallclk; 681 unsigned int pos; 682 683 wallclk = azx_readl(chip, WALLCLK) - azx_dev->core.start_wallclk; 684 if (wallclk < (azx_dev->core.period_wallclk * 2) / 3) 685 return -1; /* bogus (too early) interrupt */ 686 687 if (chip->get_position[stream]) 688 pos = chip->get_position[stream](chip, azx_dev); 689 else { /* use the position buffer as default */ 690 pos = azx_get_pos_posbuf(chip, azx_dev); 691 if (!pos || pos == (u32)-1) { 692 dev_info(chip->card->dev, 693 "Invalid position buffer, using LPIB read method instead.\n"); 694 chip->get_position[stream] = azx_get_pos_lpib; 695 if (chip->get_position[0] == azx_get_pos_lpib && 696 chip->get_position[1] == azx_get_pos_lpib) 697 azx_bus(chip)->use_posbuf = false; 698 pos = azx_get_pos_lpib(chip, azx_dev); 699 chip->get_delay[stream] = NULL; 700 } else { 701 chip->get_position[stream] = azx_get_pos_posbuf; 702 if (chip->driver_caps & AZX_DCAPS_COUNT_LPIB_DELAY) 703 chip->get_delay[stream] = azx_get_delay_from_lpib; 704 } 705 } 706 707 if (pos >= azx_dev->core.bufsize) 708 pos = 0; 709 710 if (WARN_ONCE(!azx_dev->core.period_bytes, 711 "hda-intel: zero azx_dev->period_bytes")) 712 return -1; /* this shouldn't happen! */ 713 if (wallclk < (azx_dev->core.period_wallclk * 5) / 4 && 714 pos % azx_dev->core.period_bytes > azx_dev->core.period_bytes / 2) 715 /* NG - it's below the first next period boundary */ 716 return chip->bdl_pos_adj ? 0 : -1; 717 azx_dev->core.start_wallclk += wallclk; 718 return 1; /* OK, it's fine */ 719 } 720 721 /* 722 * The work for pending PCM period updates. 723 */ 724 static void azx_irq_pending_work(struct work_struct *work) 725 { 726 struct hda_intel *hda = container_of(work, struct hda_intel, irq_pending_work); 727 struct azx *chip = &hda->chip; 728 struct hdac_bus *bus = azx_bus(chip); 729 struct hdac_stream *s; 730 int pending, ok; 731 732 if (!hda->irq_pending_warned) { 733 dev_info(chip->card->dev, 734 "IRQ timing workaround is activated for card #%d. Suggest a bigger bdl_pos_adj.\n", 735 chip->card->number); 736 hda->irq_pending_warned = 1; 737 } 738 739 for (;;) { 740 pending = 0; 741 spin_lock_irq(&bus->reg_lock); 742 list_for_each_entry(s, &bus->stream_list, list) { 743 struct azx_dev *azx_dev = stream_to_azx_dev(s); 744 if (!azx_dev->irq_pending || 745 !s->substream || 746 !s->running) 747 continue; 748 ok = azx_position_ok(chip, azx_dev); 749 if (ok > 0) { 750 azx_dev->irq_pending = 0; 751 spin_unlock(&bus->reg_lock); 752 snd_pcm_period_elapsed(s->substream); 753 spin_lock(&bus->reg_lock); 754 } else if (ok < 0) { 755 pending = 0; /* too early */ 756 } else 757 pending++; 758 } 759 spin_unlock_irq(&bus->reg_lock); 760 if (!pending) 761 return; 762 msleep(1); 763 } 764 } 765 766 /* clear irq_pending flags and assure no on-going workq */ 767 static void azx_clear_irq_pending(struct azx *chip) 768 { 769 struct hdac_bus *bus = azx_bus(chip); 770 struct hdac_stream *s; 771 772 spin_lock_irq(&bus->reg_lock); 773 list_for_each_entry(s, &bus->stream_list, list) { 774 struct azx_dev *azx_dev = stream_to_azx_dev(s); 775 azx_dev->irq_pending = 0; 776 } 777 spin_unlock_irq(&bus->reg_lock); 778 } 779 780 static int azx_acquire_irq(struct azx *chip, int do_disconnect) 781 { 782 struct hdac_bus *bus = azx_bus(chip); 783 784 if (request_irq(chip->pci->irq, azx_interrupt, 785 chip->msi ? 0 : IRQF_SHARED, 786 chip->card->irq_descr, chip)) { 787 dev_err(chip->card->dev, 788 "unable to grab IRQ %d, disabling device\n", 789 chip->pci->irq); 790 if (do_disconnect) 791 snd_card_disconnect(chip->card); 792 return -1; 793 } 794 bus->irq = chip->pci->irq; 795 chip->card->sync_irq = bus->irq; 796 pci_intx(chip->pci, !chip->msi); 797 return 0; 798 } 799 800 /* get the current DMA position with correction on VIA chips */ 801 static unsigned int azx_via_get_position(struct azx *chip, 802 struct azx_dev *azx_dev) 803 { 804 unsigned int link_pos, mini_pos, bound_pos; 805 unsigned int mod_link_pos, mod_dma_pos, mod_mini_pos; 806 unsigned int fifo_size; 807 808 link_pos = snd_hdac_stream_get_pos_lpib(azx_stream(azx_dev)); 809 if (azx_dev->core.substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { 810 /* Playback, no problem using link position */ 811 return link_pos; 812 } 813 814 /* Capture */ 815 /* For new chipset, 816 * use mod to get the DMA position just like old chipset 817 */ 818 mod_dma_pos = le32_to_cpu(*azx_dev->core.posbuf); 819 mod_dma_pos %= azx_dev->core.period_bytes; 820 821 fifo_size = azx_stream(azx_dev)->fifo_size - 1; 822 823 if (azx_dev->insufficient) { 824 /* Link position never gather than FIFO size */ 825 if (link_pos <= fifo_size) 826 return 0; 827 828 azx_dev->insufficient = 0; 829 } 830 831 if (link_pos <= fifo_size) 832 mini_pos = azx_dev->core.bufsize + link_pos - fifo_size; 833 else 834 mini_pos = link_pos - fifo_size; 835 836 /* Find nearest previous boudary */ 837 mod_mini_pos = mini_pos % azx_dev->core.period_bytes; 838 mod_link_pos = link_pos % azx_dev->core.period_bytes; 839 if (mod_link_pos >= fifo_size) 840 bound_pos = link_pos - mod_link_pos; 841 else if (mod_dma_pos >= mod_mini_pos) 842 bound_pos = mini_pos - mod_mini_pos; 843 else { 844 bound_pos = mini_pos - mod_mini_pos + azx_dev->core.period_bytes; 845 if (bound_pos >= azx_dev->core.bufsize) 846 bound_pos = 0; 847 } 848 849 /* Calculate real DMA position we want */ 850 return bound_pos + mod_dma_pos; 851 } 852 853 #define AMD_FIFO_SIZE 32 854 855 /* get the current DMA position with FIFO size correction */ 856 static unsigned int azx_get_pos_fifo(struct azx *chip, struct azx_dev *azx_dev) 857 { 858 struct snd_pcm_substream *substream = azx_dev->core.substream; 859 struct snd_pcm_runtime *runtime = substream->runtime; 860 unsigned int pos, delay; 861 862 pos = snd_hdac_stream_get_pos_lpib(azx_stream(azx_dev)); 863 if (!runtime) 864 return pos; 865 866 runtime->delay = AMD_FIFO_SIZE; 867 delay = frames_to_bytes(runtime, AMD_FIFO_SIZE); 868 if (azx_dev->insufficient) { 869 if (pos < delay) { 870 delay = pos; 871 runtime->delay = bytes_to_frames(runtime, pos); 872 } else { 873 azx_dev->insufficient = 0; 874 } 875 } 876 877 /* correct the DMA position for capture stream */ 878 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) { 879 if (pos < delay) 880 pos += azx_dev->core.bufsize; 881 pos -= delay; 882 } 883 884 return pos; 885 } 886 887 static int azx_get_delay_from_fifo(struct azx *chip, struct azx_dev *azx_dev, 888 unsigned int pos) 889 { 890 struct snd_pcm_substream *substream = azx_dev->core.substream; 891 892 /* just read back the calculated value in the above */ 893 return substream->runtime->delay; 894 } 895 896 static unsigned int azx_skl_get_dpib_pos(struct azx *chip, 897 struct azx_dev *azx_dev) 898 { 899 return _snd_hdac_chip_readl(azx_bus(chip), 900 AZX_REG_VS_SDXDPIB_XBASE + 901 (AZX_REG_VS_SDXDPIB_XINTERVAL * 902 azx_dev->core.index)); 903 } 904 905 /* get the current DMA position with correction on SKL+ chips */ 906 static unsigned int azx_get_pos_skl(struct azx *chip, struct azx_dev *azx_dev) 907 { 908 /* DPIB register gives a more accurate position for playback */ 909 if (azx_dev->core.substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 910 return azx_skl_get_dpib_pos(chip, azx_dev); 911 912 /* For capture, we need to read posbuf, but it requires a delay 913 * for the possible boundary overlap; the read of DPIB fetches the 914 * actual posbuf 915 */ 916 udelay(20); 917 azx_skl_get_dpib_pos(chip, azx_dev); 918 return azx_get_pos_posbuf(chip, azx_dev); 919 } 920 921 #ifdef CONFIG_PM 922 static DEFINE_MUTEX(card_list_lock); 923 static LIST_HEAD(card_list); 924 925 static void azx_add_card_list(struct azx *chip) 926 { 927 struct hda_intel *hda = container_of(chip, struct hda_intel, chip); 928 mutex_lock(&card_list_lock); 929 list_add(&hda->list, &card_list); 930 mutex_unlock(&card_list_lock); 931 } 932 933 static void azx_del_card_list(struct azx *chip) 934 { 935 struct hda_intel *hda = container_of(chip, struct hda_intel, chip); 936 mutex_lock(&card_list_lock); 937 list_del_init(&hda->list); 938 mutex_unlock(&card_list_lock); 939 } 940 941 /* trigger power-save check at writing parameter */ 942 static int param_set_xint(const char *val, const struct kernel_param *kp) 943 { 944 struct hda_intel *hda; 945 struct azx *chip; 946 int prev = power_save; 947 int ret = param_set_int(val, kp); 948 949 if (ret || prev == power_save) 950 return ret; 951 952 mutex_lock(&card_list_lock); 953 list_for_each_entry(hda, &card_list, list) { 954 chip = &hda->chip; 955 if (!hda->probe_continued || chip->disabled) 956 continue; 957 snd_hda_set_power_save(&chip->bus, power_save * 1000); 958 } 959 mutex_unlock(&card_list_lock); 960 return 0; 961 } 962 963 /* 964 * power management 965 */ 966 static bool azx_is_pm_ready(struct snd_card *card) 967 { 968 struct azx *chip; 969 struct hda_intel *hda; 970 971 if (!card) 972 return false; 973 chip = card->private_data; 974 hda = container_of(chip, struct hda_intel, chip); 975 if (chip->disabled || hda->init_failed || !chip->running) 976 return false; 977 return true; 978 } 979 980 static void __azx_runtime_suspend(struct azx *chip) 981 { 982 azx_stop_chip(chip); 983 azx_enter_link_reset(chip); 984 azx_clear_irq_pending(chip); 985 display_power(chip, false); 986 } 987 988 static void __azx_runtime_resume(struct azx *chip, bool from_rt) 989 { 990 struct hda_intel *hda = container_of(chip, struct hda_intel, chip); 991 struct hdac_bus *bus = azx_bus(chip); 992 struct hda_codec *codec; 993 int status; 994 995 display_power(chip, true); 996 if (hda->need_i915_power) 997 snd_hdac_i915_set_bclk(bus); 998 999 /* Read STATESTS before controller reset */ 1000 status = azx_readw(chip, STATESTS); 1001 1002 azx_init_pci(chip); 1003 hda_intel_init_chip(chip, true); 1004 1005 if (status && from_rt) { 1006 list_for_each_codec(codec, &chip->bus) 1007 if (status & (1 << codec->addr)) 1008 schedule_delayed_work(&codec->jackpoll_work, 1009 codec->jackpoll_interval); 1010 } 1011 1012 /* power down again for link-controlled chips */ 1013 if (!hda->need_i915_power) 1014 display_power(chip, false); 1015 } 1016 1017 #ifdef CONFIG_PM_SLEEP 1018 static int azx_suspend(struct device *dev) 1019 { 1020 struct snd_card *card = dev_get_drvdata(dev); 1021 struct azx *chip; 1022 struct hdac_bus *bus; 1023 1024 if (!azx_is_pm_ready(card)) 1025 return 0; 1026 1027 chip = card->private_data; 1028 bus = azx_bus(chip); 1029 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 1030 __azx_runtime_suspend(chip); 1031 if (bus->irq >= 0) { 1032 free_irq(bus->irq, chip); 1033 bus->irq = -1; 1034 chip->card->sync_irq = -1; 1035 } 1036 1037 if (chip->msi) 1038 pci_disable_msi(chip->pci); 1039 1040 trace_azx_suspend(chip); 1041 return 0; 1042 } 1043 1044 static int azx_resume(struct device *dev) 1045 { 1046 struct snd_card *card = dev_get_drvdata(dev); 1047 struct azx *chip; 1048 1049 if (!azx_is_pm_ready(card)) 1050 return 0; 1051 1052 chip = card->private_data; 1053 if (chip->msi) 1054 if (pci_enable_msi(chip->pci) < 0) 1055 chip->msi = 0; 1056 if (azx_acquire_irq(chip, 1) < 0) 1057 return -EIO; 1058 __azx_runtime_resume(chip, false); 1059 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 1060 1061 trace_azx_resume(chip); 1062 return 0; 1063 } 1064 1065 /* put codec down to D3 at hibernation for Intel SKL+; 1066 * otherwise BIOS may still access the codec and screw up the driver 1067 */ 1068 static int azx_freeze_noirq(struct device *dev) 1069 { 1070 struct snd_card *card = dev_get_drvdata(dev); 1071 struct azx *chip = card->private_data; 1072 struct pci_dev *pci = to_pci_dev(dev); 1073 1074 if (chip->driver_type == AZX_DRIVER_SKL) 1075 pci_set_power_state(pci, PCI_D3hot); 1076 1077 return 0; 1078 } 1079 1080 static int azx_thaw_noirq(struct device *dev) 1081 { 1082 struct snd_card *card = dev_get_drvdata(dev); 1083 struct azx *chip = card->private_data; 1084 struct pci_dev *pci = to_pci_dev(dev); 1085 1086 if (chip->driver_type == AZX_DRIVER_SKL) 1087 pci_set_power_state(pci, PCI_D0); 1088 1089 return 0; 1090 } 1091 #endif /* CONFIG_PM_SLEEP */ 1092 1093 static int azx_runtime_suspend(struct device *dev) 1094 { 1095 struct snd_card *card = dev_get_drvdata(dev); 1096 struct azx *chip; 1097 1098 if (!azx_is_pm_ready(card)) 1099 return 0; 1100 chip = card->private_data; 1101 if (!azx_has_pm_runtime(chip)) 1102 return 0; 1103 1104 /* enable controller wake up event */ 1105 azx_writew(chip, WAKEEN, azx_readw(chip, WAKEEN) | 1106 STATESTS_INT_MASK); 1107 1108 __azx_runtime_suspend(chip); 1109 trace_azx_runtime_suspend(chip); 1110 return 0; 1111 } 1112 1113 static int azx_runtime_resume(struct device *dev) 1114 { 1115 struct snd_card *card = dev_get_drvdata(dev); 1116 struct azx *chip; 1117 1118 if (!azx_is_pm_ready(card)) 1119 return 0; 1120 chip = card->private_data; 1121 if (!azx_has_pm_runtime(chip)) 1122 return 0; 1123 __azx_runtime_resume(chip, true); 1124 1125 /* disable controller Wake Up event*/ 1126 azx_writew(chip, WAKEEN, azx_readw(chip, WAKEEN) & 1127 ~STATESTS_INT_MASK); 1128 1129 trace_azx_runtime_resume(chip); 1130 return 0; 1131 } 1132 1133 static int azx_runtime_idle(struct device *dev) 1134 { 1135 struct snd_card *card = dev_get_drvdata(dev); 1136 struct azx *chip; 1137 struct hda_intel *hda; 1138 1139 if (!card) 1140 return 0; 1141 1142 chip = card->private_data; 1143 hda = container_of(chip, struct hda_intel, chip); 1144 if (chip->disabled || hda->init_failed) 1145 return 0; 1146 1147 if (!power_save_controller || !azx_has_pm_runtime(chip) || 1148 azx_bus(chip)->codec_powered || !chip->running) 1149 return -EBUSY; 1150 1151 /* ELD notification gets broken when HD-audio bus is off */ 1152 if (needs_eld_notify_link(chip)) 1153 return -EBUSY; 1154 1155 return 0; 1156 } 1157 1158 static const struct dev_pm_ops azx_pm = { 1159 SET_SYSTEM_SLEEP_PM_OPS(azx_suspend, azx_resume) 1160 #ifdef CONFIG_PM_SLEEP 1161 .freeze_noirq = azx_freeze_noirq, 1162 .thaw_noirq = azx_thaw_noirq, 1163 #endif 1164 SET_RUNTIME_PM_OPS(azx_runtime_suspend, azx_runtime_resume, azx_runtime_idle) 1165 }; 1166 1167 #define AZX_PM_OPS &azx_pm 1168 #else 1169 #define azx_add_card_list(chip) /* NOP */ 1170 #define azx_del_card_list(chip) /* NOP */ 1171 #define AZX_PM_OPS NULL 1172 #endif /* CONFIG_PM */ 1173 1174 1175 static int azx_probe_continue(struct azx *chip); 1176 1177 #ifdef SUPPORT_VGA_SWITCHEROO 1178 static struct pci_dev *get_bound_vga(struct pci_dev *pci); 1179 1180 static void azx_vs_set_state(struct pci_dev *pci, 1181 enum vga_switcheroo_state state) 1182 { 1183 struct snd_card *card = pci_get_drvdata(pci); 1184 struct azx *chip = card->private_data; 1185 struct hda_intel *hda = container_of(chip, struct hda_intel, chip); 1186 struct hda_codec *codec; 1187 bool disabled; 1188 1189 wait_for_completion(&hda->probe_wait); 1190 if (hda->init_failed) 1191 return; 1192 1193 disabled = (state == VGA_SWITCHEROO_OFF); 1194 if (chip->disabled == disabled) 1195 return; 1196 1197 if (!hda->probe_continued) { 1198 chip->disabled = disabled; 1199 if (!disabled) { 1200 dev_info(chip->card->dev, 1201 "Start delayed initialization\n"); 1202 if (azx_probe_continue(chip) < 0) { 1203 dev_err(chip->card->dev, "initialization error\n"); 1204 hda->init_failed = true; 1205 } 1206 } 1207 } else { 1208 dev_info(chip->card->dev, "%s via vga_switcheroo\n", 1209 disabled ? "Disabling" : "Enabling"); 1210 if (disabled) { 1211 list_for_each_codec(codec, &chip->bus) { 1212 pm_runtime_suspend(hda_codec_dev(codec)); 1213 pm_runtime_disable(hda_codec_dev(codec)); 1214 } 1215 pm_runtime_suspend(card->dev); 1216 pm_runtime_disable(card->dev); 1217 /* when we get suspended by vga_switcheroo we end up in D3cold, 1218 * however we have no ACPI handle, so pci/acpi can't put us there, 1219 * put ourselves there */ 1220 pci->current_state = PCI_D3cold; 1221 chip->disabled = true; 1222 if (snd_hda_lock_devices(&chip->bus)) 1223 dev_warn(chip->card->dev, 1224 "Cannot lock devices!\n"); 1225 } else { 1226 snd_hda_unlock_devices(&chip->bus); 1227 chip->disabled = false; 1228 pm_runtime_enable(card->dev); 1229 list_for_each_codec(codec, &chip->bus) { 1230 pm_runtime_enable(hda_codec_dev(codec)); 1231 pm_runtime_resume(hda_codec_dev(codec)); 1232 } 1233 } 1234 } 1235 } 1236 1237 static bool azx_vs_can_switch(struct pci_dev *pci) 1238 { 1239 struct snd_card *card = pci_get_drvdata(pci); 1240 struct azx *chip = card->private_data; 1241 struct hda_intel *hda = container_of(chip, struct hda_intel, chip); 1242 1243 wait_for_completion(&hda->probe_wait); 1244 if (hda->init_failed) 1245 return false; 1246 if (chip->disabled || !hda->probe_continued) 1247 return true; 1248 if (snd_hda_lock_devices(&chip->bus)) 1249 return false; 1250 snd_hda_unlock_devices(&chip->bus); 1251 return true; 1252 } 1253 1254 /* 1255 * The discrete GPU cannot power down unless the HDA controller runtime 1256 * suspends, so activate runtime PM on codecs even if power_save == 0. 1257 */ 1258 static void setup_vga_switcheroo_runtime_pm(struct azx *chip) 1259 { 1260 struct hda_intel *hda = container_of(chip, struct hda_intel, chip); 1261 struct hda_codec *codec; 1262 1263 if (hda->use_vga_switcheroo && !needs_eld_notify_link(chip)) { 1264 list_for_each_codec(codec, &chip->bus) 1265 codec->auto_runtime_pm = 1; 1266 /* reset the power save setup */ 1267 if (chip->running) 1268 set_default_power_save(chip); 1269 } 1270 } 1271 1272 static void azx_vs_gpu_bound(struct pci_dev *pci, 1273 enum vga_switcheroo_client_id client_id) 1274 { 1275 struct snd_card *card = pci_get_drvdata(pci); 1276 struct azx *chip = card->private_data; 1277 1278 if (client_id == VGA_SWITCHEROO_DIS) 1279 chip->bus.keep_power = 0; 1280 setup_vga_switcheroo_runtime_pm(chip); 1281 } 1282 1283 static void init_vga_switcheroo(struct azx *chip) 1284 { 1285 struct hda_intel *hda = container_of(chip, struct hda_intel, chip); 1286 struct pci_dev *p = get_bound_vga(chip->pci); 1287 struct pci_dev *parent; 1288 if (p) { 1289 dev_info(chip->card->dev, 1290 "Handle vga_switcheroo audio client\n"); 1291 hda->use_vga_switcheroo = 1; 1292 1293 /* cleared in either gpu_bound op or codec probe, or when its 1294 * upstream port has _PR3 (i.e. dGPU). 1295 */ 1296 parent = pci_upstream_bridge(p); 1297 chip->bus.keep_power = parent ? !pci_pr3_present(parent) : 1; 1298 chip->driver_caps |= AZX_DCAPS_PM_RUNTIME; 1299 pci_dev_put(p); 1300 } 1301 } 1302 1303 static const struct vga_switcheroo_client_ops azx_vs_ops = { 1304 .set_gpu_state = azx_vs_set_state, 1305 .can_switch = azx_vs_can_switch, 1306 .gpu_bound = azx_vs_gpu_bound, 1307 }; 1308 1309 static int register_vga_switcheroo(struct azx *chip) 1310 { 1311 struct hda_intel *hda = container_of(chip, struct hda_intel, chip); 1312 struct pci_dev *p; 1313 int err; 1314 1315 if (!hda->use_vga_switcheroo) 1316 return 0; 1317 1318 p = get_bound_vga(chip->pci); 1319 err = vga_switcheroo_register_audio_client(chip->pci, &azx_vs_ops, p); 1320 pci_dev_put(p); 1321 1322 if (err < 0) 1323 return err; 1324 hda->vga_switcheroo_registered = 1; 1325 1326 return 0; 1327 } 1328 #else 1329 #define init_vga_switcheroo(chip) /* NOP */ 1330 #define register_vga_switcheroo(chip) 0 1331 #define check_hdmi_disabled(pci) false 1332 #define setup_vga_switcheroo_runtime_pm(chip) /* NOP */ 1333 #endif /* SUPPORT_VGA_SWITCHER */ 1334 1335 /* 1336 * destructor 1337 */ 1338 static int azx_free(struct azx *chip) 1339 { 1340 struct pci_dev *pci = chip->pci; 1341 struct hda_intel *hda = container_of(chip, struct hda_intel, chip); 1342 struct hdac_bus *bus = azx_bus(chip); 1343 1344 if (azx_has_pm_runtime(chip) && chip->running) 1345 pm_runtime_get_noresume(&pci->dev); 1346 chip->running = 0; 1347 1348 azx_del_card_list(chip); 1349 1350 hda->init_failed = 1; /* to be sure */ 1351 complete_all(&hda->probe_wait); 1352 1353 if (use_vga_switcheroo(hda)) { 1354 if (chip->disabled && hda->probe_continued) 1355 snd_hda_unlock_devices(&chip->bus); 1356 if (hda->vga_switcheroo_registered) 1357 vga_switcheroo_unregister_client(chip->pci); 1358 } 1359 1360 if (bus->chip_init) { 1361 azx_clear_irq_pending(chip); 1362 azx_stop_all_streams(chip); 1363 azx_stop_chip(chip); 1364 } 1365 1366 if (bus->irq >= 0) 1367 free_irq(bus->irq, (void*)chip); 1368 if (chip->msi) 1369 pci_disable_msi(chip->pci); 1370 iounmap(bus->remap_addr); 1371 1372 azx_free_stream_pages(chip); 1373 azx_free_streams(chip); 1374 snd_hdac_bus_exit(bus); 1375 1376 if (chip->region_requested) 1377 pci_release_regions(chip->pci); 1378 1379 pci_disable_device(chip->pci); 1380 #ifdef CONFIG_SND_HDA_PATCH_LOADER 1381 release_firmware(chip->fw); 1382 #endif 1383 display_power(chip, false); 1384 1385 if (chip->driver_caps & AZX_DCAPS_I915_COMPONENT) 1386 snd_hdac_i915_exit(bus); 1387 kfree(hda); 1388 1389 return 0; 1390 } 1391 1392 static int azx_dev_disconnect(struct snd_device *device) 1393 { 1394 struct azx *chip = device->device_data; 1395 struct hdac_bus *bus = azx_bus(chip); 1396 1397 chip->bus.shutdown = 1; 1398 cancel_work_sync(&bus->unsol_work); 1399 1400 return 0; 1401 } 1402 1403 static int azx_dev_free(struct snd_device *device) 1404 { 1405 return azx_free(device->device_data); 1406 } 1407 1408 #ifdef SUPPORT_VGA_SWITCHEROO 1409 #ifdef CONFIG_ACPI 1410 /* ATPX is in the integrated GPU's namespace */ 1411 static bool atpx_present(void) 1412 { 1413 struct pci_dev *pdev = NULL; 1414 acpi_handle dhandle, atpx_handle; 1415 acpi_status status; 1416 1417 while ((pdev = pci_get_class(PCI_CLASS_DISPLAY_VGA << 8, pdev)) != NULL) { 1418 dhandle = ACPI_HANDLE(&pdev->dev); 1419 if (dhandle) { 1420 status = acpi_get_handle(dhandle, "ATPX", &atpx_handle); 1421 if (!ACPI_FAILURE(status)) { 1422 pci_dev_put(pdev); 1423 return true; 1424 } 1425 } 1426 } 1427 while ((pdev = pci_get_class(PCI_CLASS_DISPLAY_OTHER << 8, pdev)) != NULL) { 1428 dhandle = ACPI_HANDLE(&pdev->dev); 1429 if (dhandle) { 1430 status = acpi_get_handle(dhandle, "ATPX", &atpx_handle); 1431 if (!ACPI_FAILURE(status)) { 1432 pci_dev_put(pdev); 1433 return true; 1434 } 1435 } 1436 } 1437 return false; 1438 } 1439 #else 1440 static bool atpx_present(void) 1441 { 1442 return false; 1443 } 1444 #endif 1445 1446 /* 1447 * Check of disabled HDMI controller by vga_switcheroo 1448 */ 1449 static struct pci_dev *get_bound_vga(struct pci_dev *pci) 1450 { 1451 struct pci_dev *p; 1452 1453 /* check only discrete GPU */ 1454 switch (pci->vendor) { 1455 case PCI_VENDOR_ID_ATI: 1456 case PCI_VENDOR_ID_AMD: 1457 if (pci->devfn == 1) { 1458 p = pci_get_domain_bus_and_slot(pci_domain_nr(pci->bus), 1459 pci->bus->number, 0); 1460 if (p) { 1461 /* ATPX is in the integrated GPU's ACPI namespace 1462 * rather than the dGPU's namespace. However, 1463 * the dGPU is the one who is involved in 1464 * vgaswitcheroo. 1465 */ 1466 if (((p->class >> 16) == PCI_BASE_CLASS_DISPLAY) && 1467 atpx_present()) 1468 return p; 1469 pci_dev_put(p); 1470 } 1471 } 1472 break; 1473 case PCI_VENDOR_ID_NVIDIA: 1474 if (pci->devfn == 1) { 1475 p = pci_get_domain_bus_and_slot(pci_domain_nr(pci->bus), 1476 pci->bus->number, 0); 1477 if (p) { 1478 if ((p->class >> 16) == PCI_BASE_CLASS_DISPLAY) 1479 return p; 1480 pci_dev_put(p); 1481 } 1482 } 1483 break; 1484 } 1485 return NULL; 1486 } 1487 1488 static bool check_hdmi_disabled(struct pci_dev *pci) 1489 { 1490 bool vga_inactive = false; 1491 struct pci_dev *p = get_bound_vga(pci); 1492 1493 if (p) { 1494 if (vga_switcheroo_get_client_state(p) == VGA_SWITCHEROO_OFF) 1495 vga_inactive = true; 1496 pci_dev_put(p); 1497 } 1498 return vga_inactive; 1499 } 1500 #endif /* SUPPORT_VGA_SWITCHEROO */ 1501 1502 /* 1503 * white/black-listing for position_fix 1504 */ 1505 static const struct snd_pci_quirk position_fix_list[] = { 1506 SND_PCI_QUIRK(0x1028, 0x01cc, "Dell D820", POS_FIX_LPIB), 1507 SND_PCI_QUIRK(0x1028, 0x01de, "Dell Precision 390", POS_FIX_LPIB), 1508 SND_PCI_QUIRK(0x103c, 0x306d, "HP dv3", POS_FIX_LPIB), 1509 SND_PCI_QUIRK(0x1043, 0x813d, "ASUS P5AD2", POS_FIX_LPIB), 1510 SND_PCI_QUIRK(0x1043, 0x81b3, "ASUS", POS_FIX_LPIB), 1511 SND_PCI_QUIRK(0x1043, 0x81e7, "ASUS M2V", POS_FIX_LPIB), 1512 SND_PCI_QUIRK(0x104d, 0x9069, "Sony VPCS11V9E", POS_FIX_LPIB), 1513 SND_PCI_QUIRK(0x10de, 0xcb89, "Macbook Pro 7,1", POS_FIX_LPIB), 1514 SND_PCI_QUIRK(0x1297, 0x3166, "Shuttle", POS_FIX_LPIB), 1515 SND_PCI_QUIRK(0x1458, 0xa022, "ga-ma770-ud3", POS_FIX_LPIB), 1516 SND_PCI_QUIRK(0x1462, 0x1002, "MSI Wind U115", POS_FIX_LPIB), 1517 SND_PCI_QUIRK(0x1565, 0x8218, "Biostar Microtech", POS_FIX_LPIB), 1518 SND_PCI_QUIRK(0x1849, 0x0888, "775Dual-VSTA", POS_FIX_LPIB), 1519 SND_PCI_QUIRK(0x8086, 0x2503, "DG965OT AAD63733-203", POS_FIX_LPIB), 1520 {} 1521 }; 1522 1523 static int check_position_fix(struct azx *chip, int fix) 1524 { 1525 const struct snd_pci_quirk *q; 1526 1527 switch (fix) { 1528 case POS_FIX_AUTO: 1529 case POS_FIX_LPIB: 1530 case POS_FIX_POSBUF: 1531 case POS_FIX_VIACOMBO: 1532 case POS_FIX_COMBO: 1533 case POS_FIX_SKL: 1534 case POS_FIX_FIFO: 1535 return fix; 1536 } 1537 1538 q = snd_pci_quirk_lookup(chip->pci, position_fix_list); 1539 if (q) { 1540 dev_info(chip->card->dev, 1541 "position_fix set to %d for device %04x:%04x\n", 1542 q->value, q->subvendor, q->subdevice); 1543 return q->value; 1544 } 1545 1546 /* Check VIA/ATI HD Audio Controller exist */ 1547 if (chip->driver_type == AZX_DRIVER_VIA) { 1548 dev_dbg(chip->card->dev, "Using VIACOMBO position fix\n"); 1549 return POS_FIX_VIACOMBO; 1550 } 1551 if (chip->driver_caps & AZX_DCAPS_AMD_WORKAROUND) { 1552 dev_dbg(chip->card->dev, "Using FIFO position fix\n"); 1553 return POS_FIX_FIFO; 1554 } 1555 if (chip->driver_caps & AZX_DCAPS_POSFIX_LPIB) { 1556 dev_dbg(chip->card->dev, "Using LPIB position fix\n"); 1557 return POS_FIX_LPIB; 1558 } 1559 if (chip->driver_type == AZX_DRIVER_SKL) { 1560 dev_dbg(chip->card->dev, "Using SKL position fix\n"); 1561 return POS_FIX_SKL; 1562 } 1563 return POS_FIX_AUTO; 1564 } 1565 1566 static void assign_position_fix(struct azx *chip, int fix) 1567 { 1568 static const azx_get_pos_callback_t callbacks[] = { 1569 [POS_FIX_AUTO] = NULL, 1570 [POS_FIX_LPIB] = azx_get_pos_lpib, 1571 [POS_FIX_POSBUF] = azx_get_pos_posbuf, 1572 [POS_FIX_VIACOMBO] = azx_via_get_position, 1573 [POS_FIX_COMBO] = azx_get_pos_lpib, 1574 [POS_FIX_SKL] = azx_get_pos_skl, 1575 [POS_FIX_FIFO] = azx_get_pos_fifo, 1576 }; 1577 1578 chip->get_position[0] = chip->get_position[1] = callbacks[fix]; 1579 1580 /* combo mode uses LPIB only for playback */ 1581 if (fix == POS_FIX_COMBO) 1582 chip->get_position[1] = NULL; 1583 1584 if ((fix == POS_FIX_POSBUF || fix == POS_FIX_SKL) && 1585 (chip->driver_caps & AZX_DCAPS_COUNT_LPIB_DELAY)) { 1586 chip->get_delay[0] = chip->get_delay[1] = 1587 azx_get_delay_from_lpib; 1588 } 1589 1590 if (fix == POS_FIX_FIFO) 1591 chip->get_delay[0] = chip->get_delay[1] = 1592 azx_get_delay_from_fifo; 1593 } 1594 1595 /* 1596 * black-lists for probe_mask 1597 */ 1598 static const struct snd_pci_quirk probe_mask_list[] = { 1599 /* Thinkpad often breaks the controller communication when accessing 1600 * to the non-working (or non-existing) modem codec slot. 1601 */ 1602 SND_PCI_QUIRK(0x1014, 0x05b7, "Thinkpad Z60", 0x01), 1603 SND_PCI_QUIRK(0x17aa, 0x2010, "Thinkpad X/T/R60", 0x01), 1604 SND_PCI_QUIRK(0x17aa, 0x20ac, "Thinkpad X/T/R61", 0x01), 1605 /* broken BIOS */ 1606 SND_PCI_QUIRK(0x1028, 0x20ac, "Dell Studio Desktop", 0x01), 1607 /* including bogus ALC268 in slot#2 that conflicts with ALC888 */ 1608 SND_PCI_QUIRK(0x17c0, 0x4085, "Medion MD96630", 0x01), 1609 /* forced codec slots */ 1610 SND_PCI_QUIRK(0x1043, 0x1262, "ASUS W5Fm", 0x103), 1611 SND_PCI_QUIRK(0x1046, 0x1262, "ASUS W5F", 0x103), 1612 /* WinFast VP200 H (Teradici) user reported broken communication */ 1613 SND_PCI_QUIRK(0x3a21, 0x040d, "WinFast VP200 H", 0x101), 1614 {} 1615 }; 1616 1617 #define AZX_FORCE_CODEC_MASK 0x100 1618 1619 static void check_probe_mask(struct azx *chip, int dev) 1620 { 1621 const struct snd_pci_quirk *q; 1622 1623 chip->codec_probe_mask = probe_mask[dev]; 1624 if (chip->codec_probe_mask == -1) { 1625 q = snd_pci_quirk_lookup(chip->pci, probe_mask_list); 1626 if (q) { 1627 dev_info(chip->card->dev, 1628 "probe_mask set to 0x%x for device %04x:%04x\n", 1629 q->value, q->subvendor, q->subdevice); 1630 chip->codec_probe_mask = q->value; 1631 } 1632 } 1633 1634 /* check forced option */ 1635 if (chip->codec_probe_mask != -1 && 1636 (chip->codec_probe_mask & AZX_FORCE_CODEC_MASK)) { 1637 azx_bus(chip)->codec_mask = chip->codec_probe_mask & 0xff; 1638 dev_info(chip->card->dev, "codec_mask forced to 0x%x\n", 1639 (int)azx_bus(chip)->codec_mask); 1640 } 1641 } 1642 1643 /* 1644 * white/black-list for enable_msi 1645 */ 1646 static const struct snd_pci_quirk msi_black_list[] = { 1647 SND_PCI_QUIRK(0x103c, 0x2191, "HP", 0), /* AMD Hudson */ 1648 SND_PCI_QUIRK(0x103c, 0x2192, "HP", 0), /* AMD Hudson */ 1649 SND_PCI_QUIRK(0x103c, 0x21f7, "HP", 0), /* AMD Hudson */ 1650 SND_PCI_QUIRK(0x103c, 0x21fa, "HP", 0), /* AMD Hudson */ 1651 SND_PCI_QUIRK(0x1043, 0x81f2, "ASUS", 0), /* Athlon64 X2 + nvidia */ 1652 SND_PCI_QUIRK(0x1043, 0x81f6, "ASUS", 0), /* nvidia */ 1653 SND_PCI_QUIRK(0x1043, 0x822d, "ASUS", 0), /* Athlon64 X2 + nvidia MCP55 */ 1654 SND_PCI_QUIRK(0x1179, 0xfb44, "Toshiba Satellite C870", 0), /* AMD Hudson */ 1655 SND_PCI_QUIRK(0x1849, 0x0888, "ASRock", 0), /* Athlon64 X2 + nvidia */ 1656 SND_PCI_QUIRK(0xa0a0, 0x0575, "Aopen MZ915-M", 0), /* ICH6 */ 1657 {} 1658 }; 1659 1660 static void check_msi(struct azx *chip) 1661 { 1662 const struct snd_pci_quirk *q; 1663 1664 if (enable_msi >= 0) { 1665 chip->msi = !!enable_msi; 1666 return; 1667 } 1668 chip->msi = 1; /* enable MSI as default */ 1669 q = snd_pci_quirk_lookup(chip->pci, msi_black_list); 1670 if (q) { 1671 dev_info(chip->card->dev, 1672 "msi for device %04x:%04x set to %d\n", 1673 q->subvendor, q->subdevice, q->value); 1674 chip->msi = q->value; 1675 return; 1676 } 1677 1678 /* NVidia chipsets seem to cause troubles with MSI */ 1679 if (chip->driver_caps & AZX_DCAPS_NO_MSI) { 1680 dev_info(chip->card->dev, "Disabling MSI\n"); 1681 chip->msi = 0; 1682 } 1683 } 1684 1685 /* check the snoop mode availability */ 1686 static void azx_check_snoop_available(struct azx *chip) 1687 { 1688 int snoop = hda_snoop; 1689 1690 if (snoop >= 0) { 1691 dev_info(chip->card->dev, "Force to %s mode by module option\n", 1692 snoop ? "snoop" : "non-snoop"); 1693 chip->snoop = snoop; 1694 chip->uc_buffer = !snoop; 1695 return; 1696 } 1697 1698 snoop = true; 1699 if (azx_get_snoop_type(chip) == AZX_SNOOP_TYPE_NONE && 1700 chip->driver_type == AZX_DRIVER_VIA) { 1701 /* force to non-snoop mode for a new VIA controller 1702 * when BIOS is set 1703 */ 1704 u8 val; 1705 pci_read_config_byte(chip->pci, 0x42, &val); 1706 if (!(val & 0x80) && (chip->pci->revision == 0x30 || 1707 chip->pci->revision == 0x20)) 1708 snoop = false; 1709 } 1710 1711 if (chip->driver_caps & AZX_DCAPS_SNOOP_OFF) 1712 snoop = false; 1713 1714 chip->snoop = snoop; 1715 if (!snoop) { 1716 dev_info(chip->card->dev, "Force to non-snoop mode\n"); 1717 /* C-Media requires non-cached pages only for CORB/RIRB */ 1718 if (chip->driver_type != AZX_DRIVER_CMEDIA) 1719 chip->uc_buffer = true; 1720 } 1721 } 1722 1723 static void azx_probe_work(struct work_struct *work) 1724 { 1725 struct hda_intel *hda = container_of(work, struct hda_intel, probe_work); 1726 azx_probe_continue(&hda->chip); 1727 } 1728 1729 static int default_bdl_pos_adj(struct azx *chip) 1730 { 1731 /* some exceptions: Atoms seem problematic with value 1 */ 1732 if (chip->pci->vendor == PCI_VENDOR_ID_INTEL) { 1733 switch (chip->pci->device) { 1734 case 0x0f04: /* Baytrail */ 1735 case 0x2284: /* Braswell */ 1736 return 32; 1737 } 1738 } 1739 1740 switch (chip->driver_type) { 1741 case AZX_DRIVER_ICH: 1742 case AZX_DRIVER_PCH: 1743 return 1; 1744 default: 1745 return 32; 1746 } 1747 } 1748 1749 /* 1750 * constructor 1751 */ 1752 static const struct hda_controller_ops pci_hda_ops; 1753 1754 static int azx_create(struct snd_card *card, struct pci_dev *pci, 1755 int dev, unsigned int driver_caps, 1756 struct azx **rchip) 1757 { 1758 static const struct snd_device_ops ops = { 1759 .dev_disconnect = azx_dev_disconnect, 1760 .dev_free = azx_dev_free, 1761 }; 1762 struct hda_intel *hda; 1763 struct azx *chip; 1764 int err; 1765 1766 *rchip = NULL; 1767 1768 err = pci_enable_device(pci); 1769 if (err < 0) 1770 return err; 1771 1772 hda = kzalloc(sizeof(*hda), GFP_KERNEL); 1773 if (!hda) { 1774 pci_disable_device(pci); 1775 return -ENOMEM; 1776 } 1777 1778 chip = &hda->chip; 1779 mutex_init(&chip->open_mutex); 1780 chip->card = card; 1781 chip->pci = pci; 1782 chip->ops = &pci_hda_ops; 1783 chip->driver_caps = driver_caps; 1784 chip->driver_type = driver_caps & 0xff; 1785 check_msi(chip); 1786 chip->dev_index = dev; 1787 if (jackpoll_ms[dev] >= 50 && jackpoll_ms[dev] <= 60000) 1788 chip->jackpoll_interval = msecs_to_jiffies(jackpoll_ms[dev]); 1789 INIT_LIST_HEAD(&chip->pcm_list); 1790 INIT_WORK(&hda->irq_pending_work, azx_irq_pending_work); 1791 INIT_LIST_HEAD(&hda->list); 1792 init_vga_switcheroo(chip); 1793 init_completion(&hda->probe_wait); 1794 1795 assign_position_fix(chip, check_position_fix(chip, position_fix[dev])); 1796 1797 check_probe_mask(chip, dev); 1798 1799 if (single_cmd < 0) /* allow fallback to single_cmd at errors */ 1800 chip->fallback_to_single_cmd = 1; 1801 else /* explicitly set to single_cmd or not */ 1802 chip->single_cmd = single_cmd; 1803 1804 azx_check_snoop_available(chip); 1805 1806 if (bdl_pos_adj[dev] < 0) 1807 chip->bdl_pos_adj = default_bdl_pos_adj(chip); 1808 else 1809 chip->bdl_pos_adj = bdl_pos_adj[dev]; 1810 1811 err = azx_bus_init(chip, model[dev]); 1812 if (err < 0) { 1813 kfree(hda); 1814 pci_disable_device(pci); 1815 return err; 1816 } 1817 1818 /* use the non-cached pages in non-snoop mode */ 1819 if (!azx_snoop(chip)) 1820 azx_bus(chip)->dma_type = SNDRV_DMA_TYPE_DEV_UC; 1821 1822 if (chip->driver_type == AZX_DRIVER_NVIDIA) { 1823 dev_dbg(chip->card->dev, "Enable delay in RIRB handling\n"); 1824 chip->bus.core.needs_damn_long_delay = 1; 1825 } 1826 1827 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); 1828 if (err < 0) { 1829 dev_err(card->dev, "Error creating device [card]!\n"); 1830 azx_free(chip); 1831 return err; 1832 } 1833 1834 /* continue probing in work context as may trigger request module */ 1835 INIT_WORK(&hda->probe_work, azx_probe_work); 1836 1837 *rchip = chip; 1838 1839 return 0; 1840 } 1841 1842 static int azx_first_init(struct azx *chip) 1843 { 1844 int dev = chip->dev_index; 1845 struct pci_dev *pci = chip->pci; 1846 struct snd_card *card = chip->card; 1847 struct hdac_bus *bus = azx_bus(chip); 1848 int err; 1849 unsigned short gcap; 1850 unsigned int dma_bits = 64; 1851 1852 #if BITS_PER_LONG != 64 1853 /* Fix up base address on ULI M5461 */ 1854 if (chip->driver_type == AZX_DRIVER_ULI) { 1855 u16 tmp3; 1856 pci_read_config_word(pci, 0x40, &tmp3); 1857 pci_write_config_word(pci, 0x40, tmp3 | 0x10); 1858 pci_write_config_dword(pci, PCI_BASE_ADDRESS_1, 0); 1859 } 1860 #endif 1861 1862 err = pci_request_regions(pci, "ICH HD audio"); 1863 if (err < 0) 1864 return err; 1865 chip->region_requested = 1; 1866 1867 bus->addr = pci_resource_start(pci, 0); 1868 bus->remap_addr = pci_ioremap_bar(pci, 0); 1869 if (bus->remap_addr == NULL) { 1870 dev_err(card->dev, "ioremap error\n"); 1871 return -ENXIO; 1872 } 1873 1874 if (chip->driver_type == AZX_DRIVER_SKL) 1875 snd_hdac_bus_parse_capabilities(bus); 1876 1877 /* 1878 * Some Intel CPUs has always running timer (ART) feature and 1879 * controller may have Global time sync reporting capability, so 1880 * check both of these before declaring synchronized time reporting 1881 * capability SNDRV_PCM_INFO_HAS_LINK_SYNCHRONIZED_ATIME 1882 */ 1883 chip->gts_present = false; 1884 1885 #ifdef CONFIG_X86 1886 if (bus->ppcap && boot_cpu_has(X86_FEATURE_ART)) 1887 chip->gts_present = true; 1888 #endif 1889 1890 if (chip->msi) { 1891 if (chip->driver_caps & AZX_DCAPS_NO_MSI64) { 1892 dev_dbg(card->dev, "Disabling 64bit MSI\n"); 1893 pci->no_64bit_msi = true; 1894 } 1895 if (pci_enable_msi(pci) < 0) 1896 chip->msi = 0; 1897 } 1898 1899 pci_set_master(pci); 1900 1901 gcap = azx_readw(chip, GCAP); 1902 dev_dbg(card->dev, "chipset global capabilities = 0x%x\n", gcap); 1903 1904 /* AMD devices support 40 or 48bit DMA, take the safe one */ 1905 if (chip->pci->vendor == PCI_VENDOR_ID_AMD) 1906 dma_bits = 40; 1907 1908 /* disable SB600 64bit support for safety */ 1909 if (chip->pci->vendor == PCI_VENDOR_ID_ATI) { 1910 struct pci_dev *p_smbus; 1911 dma_bits = 40; 1912 p_smbus = pci_get_device(PCI_VENDOR_ID_ATI, 1913 PCI_DEVICE_ID_ATI_SBX00_SMBUS, 1914 NULL); 1915 if (p_smbus) { 1916 if (p_smbus->revision < 0x30) 1917 gcap &= ~AZX_GCAP_64OK; 1918 pci_dev_put(p_smbus); 1919 } 1920 } 1921 1922 /* NVidia hardware normally only supports up to 40 bits of DMA */ 1923 if (chip->pci->vendor == PCI_VENDOR_ID_NVIDIA) 1924 dma_bits = 40; 1925 1926 /* disable 64bit DMA address on some devices */ 1927 if (chip->driver_caps & AZX_DCAPS_NO_64BIT) { 1928 dev_dbg(card->dev, "Disabling 64bit DMA\n"); 1929 gcap &= ~AZX_GCAP_64OK; 1930 } 1931 1932 /* disable buffer size rounding to 128-byte multiples if supported */ 1933 if (align_buffer_size >= 0) 1934 chip->align_buffer_size = !!align_buffer_size; 1935 else { 1936 if (chip->driver_caps & AZX_DCAPS_NO_ALIGN_BUFSIZE) 1937 chip->align_buffer_size = 0; 1938 else 1939 chip->align_buffer_size = 1; 1940 } 1941 1942 /* allow 64bit DMA address if supported by H/W */ 1943 if (!(gcap & AZX_GCAP_64OK)) 1944 dma_bits = 32; 1945 if (!dma_set_mask(&pci->dev, DMA_BIT_MASK(dma_bits))) { 1946 dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(dma_bits)); 1947 } else { 1948 dma_set_mask(&pci->dev, DMA_BIT_MASK(32)); 1949 dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(32)); 1950 } 1951 1952 /* read number of streams from GCAP register instead of using 1953 * hardcoded value 1954 */ 1955 chip->capture_streams = (gcap >> 8) & 0x0f; 1956 chip->playback_streams = (gcap >> 12) & 0x0f; 1957 if (!chip->playback_streams && !chip->capture_streams) { 1958 /* gcap didn't give any info, switching to old method */ 1959 1960 switch (chip->driver_type) { 1961 case AZX_DRIVER_ULI: 1962 chip->playback_streams = ULI_NUM_PLAYBACK; 1963 chip->capture_streams = ULI_NUM_CAPTURE; 1964 break; 1965 case AZX_DRIVER_ATIHDMI: 1966 case AZX_DRIVER_ATIHDMI_NS: 1967 chip->playback_streams = ATIHDMI_NUM_PLAYBACK; 1968 chip->capture_streams = ATIHDMI_NUM_CAPTURE; 1969 break; 1970 case AZX_DRIVER_GENERIC: 1971 default: 1972 chip->playback_streams = ICH6_NUM_PLAYBACK; 1973 chip->capture_streams = ICH6_NUM_CAPTURE; 1974 break; 1975 } 1976 } 1977 chip->capture_index_offset = 0; 1978 chip->playback_index_offset = chip->capture_streams; 1979 chip->num_streams = chip->playback_streams + chip->capture_streams; 1980 1981 /* sanity check for the SDxCTL.STRM field overflow */ 1982 if (chip->num_streams > 15 && 1983 (chip->driver_caps & AZX_DCAPS_SEPARATE_STREAM_TAG) == 0) { 1984 dev_warn(chip->card->dev, "number of I/O streams is %d, " 1985 "forcing separate stream tags", chip->num_streams); 1986 chip->driver_caps |= AZX_DCAPS_SEPARATE_STREAM_TAG; 1987 } 1988 1989 /* initialize streams */ 1990 err = azx_init_streams(chip); 1991 if (err < 0) 1992 return err; 1993 1994 err = azx_alloc_stream_pages(chip); 1995 if (err < 0) 1996 return err; 1997 1998 /* initialize chip */ 1999 azx_init_pci(chip); 2000 2001 snd_hdac_i915_set_bclk(bus); 2002 2003 hda_intel_init_chip(chip, (probe_only[dev] & 2) == 0); 2004 2005 /* codec detection */ 2006 if (!azx_bus(chip)->codec_mask) { 2007 dev_err(card->dev, "no codecs found!\n"); 2008 return -ENODEV; 2009 } 2010 2011 if (azx_acquire_irq(chip, 0) < 0) 2012 return -EBUSY; 2013 2014 strcpy(card->driver, "HDA-Intel"); 2015 strlcpy(card->shortname, driver_short_names[chip->driver_type], 2016 sizeof(card->shortname)); 2017 snprintf(card->longname, sizeof(card->longname), 2018 "%s at 0x%lx irq %i", 2019 card->shortname, bus->addr, bus->irq); 2020 2021 return 0; 2022 } 2023 2024 #ifdef CONFIG_SND_HDA_PATCH_LOADER 2025 /* callback from request_firmware_nowait() */ 2026 static void azx_firmware_cb(const struct firmware *fw, void *context) 2027 { 2028 struct snd_card *card = context; 2029 struct azx *chip = card->private_data; 2030 struct pci_dev *pci = chip->pci; 2031 2032 if (!fw) { 2033 dev_err(card->dev, "Cannot load firmware, aborting\n"); 2034 goto error; 2035 } 2036 2037 chip->fw = fw; 2038 if (!chip->disabled) { 2039 /* continue probing */ 2040 if (azx_probe_continue(chip)) 2041 goto error; 2042 } 2043 return; /* OK */ 2044 2045 error: 2046 snd_card_free(card); 2047 pci_set_drvdata(pci, NULL); 2048 } 2049 #endif 2050 2051 static int disable_msi_reset_irq(struct azx *chip) 2052 { 2053 struct hdac_bus *bus = azx_bus(chip); 2054 int err; 2055 2056 free_irq(bus->irq, chip); 2057 bus->irq = -1; 2058 chip->card->sync_irq = -1; 2059 pci_disable_msi(chip->pci); 2060 chip->msi = 0; 2061 err = azx_acquire_irq(chip, 1); 2062 if (err < 0) 2063 return err; 2064 2065 return 0; 2066 } 2067 2068 static void pcm_mmap_prepare(struct snd_pcm_substream *substream, 2069 struct vm_area_struct *area) 2070 { 2071 #ifdef CONFIG_X86 2072 struct azx_pcm *apcm = snd_pcm_substream_chip(substream); 2073 struct azx *chip = apcm->chip; 2074 if (chip->uc_buffer) 2075 area->vm_page_prot = pgprot_writecombine(area->vm_page_prot); 2076 #endif 2077 } 2078 2079 static const struct hda_controller_ops pci_hda_ops = { 2080 .disable_msi_reset_irq = disable_msi_reset_irq, 2081 .pcm_mmap_prepare = pcm_mmap_prepare, 2082 .position_check = azx_position_check, 2083 }; 2084 2085 static int azx_probe(struct pci_dev *pci, 2086 const struct pci_device_id *pci_id) 2087 { 2088 static int dev; 2089 struct snd_card *card; 2090 struct hda_intel *hda; 2091 struct azx *chip; 2092 bool schedule_probe; 2093 int err; 2094 2095 if (dev >= SNDRV_CARDS) 2096 return -ENODEV; 2097 if (!enable[dev]) { 2098 dev++; 2099 return -ENOENT; 2100 } 2101 2102 /* 2103 * stop probe if another Intel's DSP driver should be activated 2104 */ 2105 if (dmic_detect) { 2106 err = snd_intel_dsp_driver_probe(pci); 2107 if (err != SND_INTEL_DSP_DRIVER_ANY && 2108 err != SND_INTEL_DSP_DRIVER_LEGACY) 2109 return -ENODEV; 2110 } else { 2111 dev_warn(&pci->dev, "dmic_detect option is deprecated, pass snd-intel-dspcfg.dsp_driver=1 option instead\n"); 2112 } 2113 2114 err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE, 2115 0, &card); 2116 if (err < 0) { 2117 dev_err(&pci->dev, "Error creating card!\n"); 2118 return err; 2119 } 2120 2121 err = azx_create(card, pci, dev, pci_id->driver_data, &chip); 2122 if (err < 0) 2123 goto out_free; 2124 card->private_data = chip; 2125 hda = container_of(chip, struct hda_intel, chip); 2126 2127 pci_set_drvdata(pci, card); 2128 2129 err = register_vga_switcheroo(chip); 2130 if (err < 0) { 2131 dev_err(card->dev, "Error registering vga_switcheroo client\n"); 2132 goto out_free; 2133 } 2134 2135 if (check_hdmi_disabled(pci)) { 2136 dev_info(card->dev, "VGA controller is disabled\n"); 2137 dev_info(card->dev, "Delaying initialization\n"); 2138 chip->disabled = true; 2139 } 2140 2141 schedule_probe = !chip->disabled; 2142 2143 #ifdef CONFIG_SND_HDA_PATCH_LOADER 2144 if (patch[dev] && *patch[dev]) { 2145 dev_info(card->dev, "Applying patch firmware '%s'\n", 2146 patch[dev]); 2147 err = request_firmware_nowait(THIS_MODULE, true, patch[dev], 2148 &pci->dev, GFP_KERNEL, card, 2149 azx_firmware_cb); 2150 if (err < 0) 2151 goto out_free; 2152 schedule_probe = false; /* continued in azx_firmware_cb() */ 2153 } 2154 #endif /* CONFIG_SND_HDA_PATCH_LOADER */ 2155 2156 #ifndef CONFIG_SND_HDA_I915 2157 if (CONTROLLER_IN_GPU(pci)) 2158 dev_err(card->dev, "Haswell/Broadwell HDMI/DP must build in CONFIG_SND_HDA_I915\n"); 2159 #endif 2160 2161 if (schedule_probe) 2162 schedule_work(&hda->probe_work); 2163 2164 dev++; 2165 if (chip->disabled) 2166 complete_all(&hda->probe_wait); 2167 return 0; 2168 2169 out_free: 2170 snd_card_free(card); 2171 return err; 2172 } 2173 2174 #ifdef CONFIG_PM 2175 /* On some boards setting power_save to a non 0 value leads to clicking / 2176 * popping sounds when ever we enter/leave powersaving mode. Ideally we would 2177 * figure out how to avoid these sounds, but that is not always feasible. 2178 * So we keep a list of devices where we disable powersaving as its known 2179 * to causes problems on these devices. 2180 */ 2181 static const struct snd_pci_quirk power_save_blacklist[] = { 2182 /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */ 2183 SND_PCI_QUIRK(0x1849, 0xc892, "Asrock B85M-ITX", 0), 2184 /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */ 2185 SND_PCI_QUIRK(0x1849, 0x0397, "Asrock N68C-S UCC", 0), 2186 /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */ 2187 SND_PCI_QUIRK(0x1849, 0x7662, "Asrock H81M-HDS", 0), 2188 /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */ 2189 SND_PCI_QUIRK(0x1043, 0x8733, "Asus Prime X370-Pro", 0), 2190 /* https://bugzilla.redhat.com/show_bug.cgi?id=1581607 */ 2191 SND_PCI_QUIRK(0x1558, 0x3501, "Clevo W35xSS_370SS", 0), 2192 /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */ 2193 SND_PCI_QUIRK(0x1558, 0x6504, "Clevo W65_67SB", 0), 2194 /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */ 2195 SND_PCI_QUIRK(0x1028, 0x0497, "Dell Precision T3600", 0), 2196 /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */ 2197 /* Note the P55A-UD3 and Z87-D3HP share the subsys id for the HDA dev */ 2198 SND_PCI_QUIRK(0x1458, 0xa002, "Gigabyte P55A-UD3 / Z87-D3HP", 0), 2199 /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */ 2200 SND_PCI_QUIRK(0x8086, 0x2040, "Intel DZ77BH-55K", 0), 2201 /* https://bugzilla.kernel.org/show_bug.cgi?id=199607 */ 2202 SND_PCI_QUIRK(0x8086, 0x2057, "Intel NUC5i7RYB", 0), 2203 /* https://bugs.launchpad.net/bugs/1821663 */ 2204 SND_PCI_QUIRK(0x8086, 0x2064, "Intel SDP 8086:2064", 0), 2205 /* https://bugzilla.redhat.com/show_bug.cgi?id=1520902 */ 2206 SND_PCI_QUIRK(0x8086, 0x2068, "Intel NUC7i3BNB", 0), 2207 /* https://bugzilla.kernel.org/show_bug.cgi?id=198611 */ 2208 SND_PCI_QUIRK(0x17aa, 0x2227, "Lenovo X1 Carbon 3rd Gen", 0), 2209 /* https://bugzilla.redhat.com/show_bug.cgi?id=1689623 */ 2210 SND_PCI_QUIRK(0x17aa, 0x367b, "Lenovo IdeaCentre B550", 0), 2211 /* https://bugzilla.redhat.com/show_bug.cgi?id=1572975 */ 2212 SND_PCI_QUIRK(0x17aa, 0x36a7, "Lenovo C50 All in one", 0), 2213 /* https://bugs.launchpad.net/bugs/1821663 */ 2214 SND_PCI_QUIRK(0x1631, 0xe017, "Packard Bell NEC IMEDIA 5204", 0), 2215 {} 2216 }; 2217 #endif /* CONFIG_PM */ 2218 2219 static void set_default_power_save(struct azx *chip) 2220 { 2221 int val = power_save; 2222 2223 #ifdef CONFIG_PM 2224 if (pm_blacklist) { 2225 const struct snd_pci_quirk *q; 2226 2227 q = snd_pci_quirk_lookup(chip->pci, power_save_blacklist); 2228 if (q && val) { 2229 dev_info(chip->card->dev, "device %04x:%04x is on the power_save blacklist, forcing power_save to 0\n", 2230 q->subvendor, q->subdevice); 2231 val = 0; 2232 } 2233 } 2234 #endif /* CONFIG_PM */ 2235 snd_hda_set_power_save(&chip->bus, val * 1000); 2236 } 2237 2238 /* number of codec slots for each chipset: 0 = default slots (i.e. 4) */ 2239 static const unsigned int azx_max_codecs[AZX_NUM_DRIVERS] = { 2240 [AZX_DRIVER_NVIDIA] = 8, 2241 [AZX_DRIVER_TERA] = 1, 2242 }; 2243 2244 static int azx_probe_continue(struct azx *chip) 2245 { 2246 struct hda_intel *hda = container_of(chip, struct hda_intel, chip); 2247 struct hdac_bus *bus = azx_bus(chip); 2248 struct pci_dev *pci = chip->pci; 2249 int dev = chip->dev_index; 2250 int err; 2251 2252 to_hda_bus(bus)->bus_probing = 1; 2253 hda->probe_continued = 1; 2254 2255 /* bind with i915 if needed */ 2256 if (chip->driver_caps & AZX_DCAPS_I915_COMPONENT) { 2257 err = snd_hdac_i915_init(bus); 2258 if (err < 0) { 2259 /* if the controller is bound only with HDMI/DP 2260 * (for HSW and BDW), we need to abort the probe; 2261 * for other chips, still continue probing as other 2262 * codecs can be on the same link. 2263 */ 2264 if (CONTROLLER_IN_GPU(pci)) { 2265 dev_err(chip->card->dev, 2266 "HSW/BDW HD-audio HDMI/DP requires binding with gfx driver\n"); 2267 goto out_free; 2268 } else { 2269 /* don't bother any longer */ 2270 chip->driver_caps &= ~AZX_DCAPS_I915_COMPONENT; 2271 } 2272 } 2273 2274 /* HSW/BDW controllers need this power */ 2275 if (CONTROLLER_IN_GPU(pci)) 2276 hda->need_i915_power = 1; 2277 } 2278 2279 /* Request display power well for the HDA controller or codec. For 2280 * Haswell/Broadwell, both the display HDA controller and codec need 2281 * this power. For other platforms, like Baytrail/Braswell, only the 2282 * display codec needs the power and it can be released after probe. 2283 */ 2284 display_power(chip, true); 2285 2286 err = azx_first_init(chip); 2287 if (err < 0) 2288 goto out_free; 2289 2290 #ifdef CONFIG_SND_HDA_INPUT_BEEP 2291 chip->beep_mode = beep_mode[dev]; 2292 #endif 2293 2294 /* create codec instances */ 2295 err = azx_probe_codecs(chip, azx_max_codecs[chip->driver_type]); 2296 if (err < 0) 2297 goto out_free; 2298 2299 #ifdef CONFIG_SND_HDA_PATCH_LOADER 2300 if (chip->fw) { 2301 err = snd_hda_load_patch(&chip->bus, chip->fw->size, 2302 chip->fw->data); 2303 if (err < 0) 2304 goto out_free; 2305 #ifndef CONFIG_PM 2306 release_firmware(chip->fw); /* no longer needed */ 2307 chip->fw = NULL; 2308 #endif 2309 } 2310 #endif 2311 if ((probe_only[dev] & 1) == 0) { 2312 err = azx_codec_configure(chip); 2313 if (err < 0) 2314 goto out_free; 2315 } 2316 2317 err = snd_card_register(chip->card); 2318 if (err < 0) 2319 goto out_free; 2320 2321 setup_vga_switcheroo_runtime_pm(chip); 2322 2323 chip->running = 1; 2324 azx_add_card_list(chip); 2325 2326 set_default_power_save(chip); 2327 2328 if (azx_has_pm_runtime(chip)) 2329 pm_runtime_put_autosuspend(&pci->dev); 2330 2331 out_free: 2332 if (err < 0 || !hda->need_i915_power) 2333 display_power(chip, false); 2334 if (err < 0) 2335 hda->init_failed = 1; 2336 complete_all(&hda->probe_wait); 2337 to_hda_bus(bus)->bus_probing = 0; 2338 return err; 2339 } 2340 2341 static void azx_remove(struct pci_dev *pci) 2342 { 2343 struct snd_card *card = pci_get_drvdata(pci); 2344 struct azx *chip; 2345 struct hda_intel *hda; 2346 2347 if (card) { 2348 /* cancel the pending probing work */ 2349 chip = card->private_data; 2350 hda = container_of(chip, struct hda_intel, chip); 2351 /* FIXME: below is an ugly workaround. 2352 * Both device_release_driver() and driver_probe_device() 2353 * take *both* the device's and its parent's lock before 2354 * calling the remove() and probe() callbacks. The codec 2355 * probe takes the locks of both the codec itself and its 2356 * parent, i.e. the PCI controller dev. Meanwhile, when 2357 * the PCI controller is unbound, it takes its lock, too 2358 * ==> ouch, a deadlock! 2359 * As a workaround, we unlock temporarily here the controller 2360 * device during cancel_work_sync() call. 2361 */ 2362 device_unlock(&pci->dev); 2363 cancel_work_sync(&hda->probe_work); 2364 device_lock(&pci->dev); 2365 2366 snd_card_free(card); 2367 } 2368 } 2369 2370 static void azx_shutdown(struct pci_dev *pci) 2371 { 2372 struct snd_card *card = pci_get_drvdata(pci); 2373 struct azx *chip; 2374 2375 if (!card) 2376 return; 2377 chip = card->private_data; 2378 if (chip && chip->running) 2379 azx_stop_chip(chip); 2380 } 2381 2382 /* PCI IDs */ 2383 static const struct pci_device_id azx_ids[] = { 2384 /* CPT */ 2385 { PCI_DEVICE(0x8086, 0x1c20), 2386 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM }, 2387 /* PBG */ 2388 { PCI_DEVICE(0x8086, 0x1d20), 2389 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM }, 2390 /* Panther Point */ 2391 { PCI_DEVICE(0x8086, 0x1e20), 2392 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM }, 2393 /* Lynx Point */ 2394 { PCI_DEVICE(0x8086, 0x8c20), 2395 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH }, 2396 /* 9 Series */ 2397 { PCI_DEVICE(0x8086, 0x8ca0), 2398 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH }, 2399 /* Wellsburg */ 2400 { PCI_DEVICE(0x8086, 0x8d20), 2401 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH }, 2402 { PCI_DEVICE(0x8086, 0x8d21), 2403 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH }, 2404 /* Lewisburg */ 2405 { PCI_DEVICE(0x8086, 0xa1f0), 2406 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE }, 2407 { PCI_DEVICE(0x8086, 0xa270), 2408 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE }, 2409 /* Lynx Point-LP */ 2410 { PCI_DEVICE(0x8086, 0x9c20), 2411 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH }, 2412 /* Lynx Point-LP */ 2413 { PCI_DEVICE(0x8086, 0x9c21), 2414 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH }, 2415 /* Wildcat Point-LP */ 2416 { PCI_DEVICE(0x8086, 0x9ca0), 2417 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH }, 2418 /* Sunrise Point */ 2419 { PCI_DEVICE(0x8086, 0xa170), 2420 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE }, 2421 /* Sunrise Point-LP */ 2422 { PCI_DEVICE(0x8086, 0x9d70), 2423 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE }, 2424 /* Kabylake */ 2425 { PCI_DEVICE(0x8086, 0xa171), 2426 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE }, 2427 /* Kabylake-LP */ 2428 { PCI_DEVICE(0x8086, 0x9d71), 2429 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE }, 2430 /* Kabylake-H */ 2431 { PCI_DEVICE(0x8086, 0xa2f0), 2432 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE }, 2433 /* Coffelake */ 2434 { PCI_DEVICE(0x8086, 0xa348), 2435 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE}, 2436 /* Cannonlake */ 2437 { PCI_DEVICE(0x8086, 0x9dc8), 2438 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE}, 2439 /* CometLake-LP */ 2440 { PCI_DEVICE(0x8086, 0x02C8), 2441 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE}, 2442 /* CometLake-H */ 2443 { PCI_DEVICE(0x8086, 0x06C8), 2444 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE}, 2445 /* CometLake-S */ 2446 { PCI_DEVICE(0x8086, 0xa3f0), 2447 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE}, 2448 /* Icelake */ 2449 { PCI_DEVICE(0x8086, 0x34c8), 2450 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE}, 2451 /* Jasperlake */ 2452 { PCI_DEVICE(0x8086, 0x38c8), 2453 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE}, 2454 { PCI_DEVICE(0x8086, 0x4dc8), 2455 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE}, 2456 /* Tigerlake */ 2457 { PCI_DEVICE(0x8086, 0xa0c8), 2458 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE}, 2459 /* Elkhart Lake */ 2460 { PCI_DEVICE(0x8086, 0x4b55), 2461 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE}, 2462 /* Broxton-P(Apollolake) */ 2463 { PCI_DEVICE(0x8086, 0x5a98), 2464 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_BROXTON }, 2465 /* Broxton-T */ 2466 { PCI_DEVICE(0x8086, 0x1a98), 2467 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_BROXTON }, 2468 /* Gemini-Lake */ 2469 { PCI_DEVICE(0x8086, 0x3198), 2470 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_BROXTON }, 2471 /* Haswell */ 2472 { PCI_DEVICE(0x8086, 0x0a0c), 2473 .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL }, 2474 { PCI_DEVICE(0x8086, 0x0c0c), 2475 .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL }, 2476 { PCI_DEVICE(0x8086, 0x0d0c), 2477 .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL }, 2478 /* Broadwell */ 2479 { PCI_DEVICE(0x8086, 0x160c), 2480 .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_BROADWELL }, 2481 /* 5 Series/3400 */ 2482 { PCI_DEVICE(0x8086, 0x3b56), 2483 .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_NOPM }, 2484 /* Poulsbo */ 2485 { PCI_DEVICE(0x8086, 0x811b), 2486 .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_BASE }, 2487 /* Oaktrail */ 2488 { PCI_DEVICE(0x8086, 0x080a), 2489 .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_BASE }, 2490 /* BayTrail */ 2491 { PCI_DEVICE(0x8086, 0x0f04), 2492 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BAYTRAIL }, 2493 /* Braswell */ 2494 { PCI_DEVICE(0x8086, 0x2284), 2495 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BRASWELL }, 2496 /* ICH6 */ 2497 { PCI_DEVICE(0x8086, 0x2668), 2498 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH }, 2499 /* ICH7 */ 2500 { PCI_DEVICE(0x8086, 0x27d8), 2501 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH }, 2502 /* ESB2 */ 2503 { PCI_DEVICE(0x8086, 0x269a), 2504 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH }, 2505 /* ICH8 */ 2506 { PCI_DEVICE(0x8086, 0x284b), 2507 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH }, 2508 /* ICH9 */ 2509 { PCI_DEVICE(0x8086, 0x293e), 2510 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH }, 2511 /* ICH9 */ 2512 { PCI_DEVICE(0x8086, 0x293f), 2513 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH }, 2514 /* ICH10 */ 2515 { PCI_DEVICE(0x8086, 0x3a3e), 2516 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH }, 2517 /* ICH10 */ 2518 { PCI_DEVICE(0x8086, 0x3a6e), 2519 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH }, 2520 /* Generic Intel */ 2521 { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_ANY_ID), 2522 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8, 2523 .class_mask = 0xffffff, 2524 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_NO_ALIGN_BUFSIZE }, 2525 /* ATI SB 450/600/700/800/900 */ 2526 { PCI_DEVICE(0x1002, 0x437b), 2527 .driver_data = AZX_DRIVER_ATI | AZX_DCAPS_PRESET_ATI_SB }, 2528 { PCI_DEVICE(0x1002, 0x4383), 2529 .driver_data = AZX_DRIVER_ATI | AZX_DCAPS_PRESET_ATI_SB }, 2530 /* AMD Hudson */ 2531 { PCI_DEVICE(0x1022, 0x780d), 2532 .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB }, 2533 /* AMD, X370 & co */ 2534 { PCI_DEVICE(0x1022, 0x1457), 2535 .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_AMD_SB }, 2536 /* AMD, X570 & co */ 2537 { PCI_DEVICE(0x1022, 0x1487), 2538 .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_AMD_SB }, 2539 /* AMD Stoney */ 2540 { PCI_DEVICE(0x1022, 0x157a), 2541 .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB | 2542 AZX_DCAPS_PM_RUNTIME }, 2543 /* AMD Raven */ 2544 { PCI_DEVICE(0x1022, 0x15e3), 2545 .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_AMD_SB }, 2546 /* ATI HDMI */ 2547 { PCI_DEVICE(0x1002, 0x0002), 2548 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, 2549 { PCI_DEVICE(0x1002, 0x1308), 2550 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, 2551 { PCI_DEVICE(0x1002, 0x157a), 2552 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, 2553 { PCI_DEVICE(0x1002, 0x15b3), 2554 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, 2555 { PCI_DEVICE(0x1002, 0x793b), 2556 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2557 { PCI_DEVICE(0x1002, 0x7919), 2558 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2559 { PCI_DEVICE(0x1002, 0x960f), 2560 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2561 { PCI_DEVICE(0x1002, 0x970f), 2562 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2563 { PCI_DEVICE(0x1002, 0x9840), 2564 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, 2565 { PCI_DEVICE(0x1002, 0xaa00), 2566 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2567 { PCI_DEVICE(0x1002, 0xaa08), 2568 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2569 { PCI_DEVICE(0x1002, 0xaa10), 2570 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2571 { PCI_DEVICE(0x1002, 0xaa18), 2572 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2573 { PCI_DEVICE(0x1002, 0xaa20), 2574 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2575 { PCI_DEVICE(0x1002, 0xaa28), 2576 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2577 { PCI_DEVICE(0x1002, 0xaa30), 2578 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2579 { PCI_DEVICE(0x1002, 0xaa38), 2580 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2581 { PCI_DEVICE(0x1002, 0xaa40), 2582 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2583 { PCI_DEVICE(0x1002, 0xaa48), 2584 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2585 { PCI_DEVICE(0x1002, 0xaa50), 2586 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2587 { PCI_DEVICE(0x1002, 0xaa58), 2588 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2589 { PCI_DEVICE(0x1002, 0xaa60), 2590 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2591 { PCI_DEVICE(0x1002, 0xaa68), 2592 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2593 { PCI_DEVICE(0x1002, 0xaa80), 2594 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2595 { PCI_DEVICE(0x1002, 0xaa88), 2596 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2597 { PCI_DEVICE(0x1002, 0xaa90), 2598 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2599 { PCI_DEVICE(0x1002, 0xaa98), 2600 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2601 { PCI_DEVICE(0x1002, 0x9902), 2602 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, 2603 { PCI_DEVICE(0x1002, 0xaaa0), 2604 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, 2605 { PCI_DEVICE(0x1002, 0xaaa8), 2606 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, 2607 { PCI_DEVICE(0x1002, 0xaab0), 2608 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, 2609 { PCI_DEVICE(0x1002, 0xaac0), 2610 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, 2611 { PCI_DEVICE(0x1002, 0xaac8), 2612 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, 2613 { PCI_DEVICE(0x1002, 0xaad8), 2614 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS | 2615 AZX_DCAPS_PM_RUNTIME }, 2616 { PCI_DEVICE(0x1002, 0xaae0), 2617 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS | 2618 AZX_DCAPS_PM_RUNTIME }, 2619 { PCI_DEVICE(0x1002, 0xaae8), 2620 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS | 2621 AZX_DCAPS_PM_RUNTIME }, 2622 { PCI_DEVICE(0x1002, 0xaaf0), 2623 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS | 2624 AZX_DCAPS_PM_RUNTIME }, 2625 { PCI_DEVICE(0x1002, 0xaaf8), 2626 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS | 2627 AZX_DCAPS_PM_RUNTIME }, 2628 { PCI_DEVICE(0x1002, 0xab00), 2629 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS | 2630 AZX_DCAPS_PM_RUNTIME }, 2631 { PCI_DEVICE(0x1002, 0xab08), 2632 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS | 2633 AZX_DCAPS_PM_RUNTIME }, 2634 { PCI_DEVICE(0x1002, 0xab10), 2635 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS | 2636 AZX_DCAPS_PM_RUNTIME }, 2637 { PCI_DEVICE(0x1002, 0xab18), 2638 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS | 2639 AZX_DCAPS_PM_RUNTIME }, 2640 { PCI_DEVICE(0x1002, 0xab20), 2641 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS | 2642 AZX_DCAPS_PM_RUNTIME }, 2643 { PCI_DEVICE(0x1002, 0xab38), 2644 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS | 2645 AZX_DCAPS_PM_RUNTIME }, 2646 /* VIA VT8251/VT8237A */ 2647 { PCI_DEVICE(0x1106, 0x3288), .driver_data = AZX_DRIVER_VIA }, 2648 /* VIA GFX VT7122/VX900 */ 2649 { PCI_DEVICE(0x1106, 0x9170), .driver_data = AZX_DRIVER_GENERIC }, 2650 /* VIA GFX VT6122/VX11 */ 2651 { PCI_DEVICE(0x1106, 0x9140), .driver_data = AZX_DRIVER_GENERIC }, 2652 /* SIS966 */ 2653 { PCI_DEVICE(0x1039, 0x7502), .driver_data = AZX_DRIVER_SIS }, 2654 /* ULI M5461 */ 2655 { PCI_DEVICE(0x10b9, 0x5461), .driver_data = AZX_DRIVER_ULI }, 2656 /* NVIDIA MCP */ 2657 { PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID), 2658 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8, 2659 .class_mask = 0xffffff, 2660 .driver_data = AZX_DRIVER_NVIDIA | AZX_DCAPS_PRESET_NVIDIA }, 2661 /* Teradici */ 2662 { PCI_DEVICE(0x6549, 0x1200), 2663 .driver_data = AZX_DRIVER_TERA | AZX_DCAPS_NO_64BIT }, 2664 { PCI_DEVICE(0x6549, 0x2200), 2665 .driver_data = AZX_DRIVER_TERA | AZX_DCAPS_NO_64BIT }, 2666 /* Creative X-Fi (CA0110-IBG) */ 2667 /* CTHDA chips */ 2668 { PCI_DEVICE(0x1102, 0x0010), 2669 .driver_data = AZX_DRIVER_CTHDA | AZX_DCAPS_PRESET_CTHDA }, 2670 { PCI_DEVICE(0x1102, 0x0012), 2671 .driver_data = AZX_DRIVER_CTHDA | AZX_DCAPS_PRESET_CTHDA }, 2672 #if !IS_ENABLED(CONFIG_SND_CTXFI) 2673 /* the following entry conflicts with snd-ctxfi driver, 2674 * as ctxfi driver mutates from HD-audio to native mode with 2675 * a special command sequence. 2676 */ 2677 { PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_ANY_ID), 2678 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8, 2679 .class_mask = 0xffffff, 2680 .driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND | 2681 AZX_DCAPS_NO_64BIT | AZX_DCAPS_POSFIX_LPIB }, 2682 #else 2683 /* this entry seems still valid -- i.e. without emu20kx chip */ 2684 { PCI_DEVICE(0x1102, 0x0009), 2685 .driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND | 2686 AZX_DCAPS_NO_64BIT | AZX_DCAPS_POSFIX_LPIB }, 2687 #endif 2688 /* CM8888 */ 2689 { PCI_DEVICE(0x13f6, 0x5011), 2690 .driver_data = AZX_DRIVER_CMEDIA | 2691 AZX_DCAPS_NO_MSI | AZX_DCAPS_POSFIX_LPIB | AZX_DCAPS_SNOOP_OFF }, 2692 /* Vortex86MX */ 2693 { PCI_DEVICE(0x17f3, 0x3010), .driver_data = AZX_DRIVER_GENERIC }, 2694 /* VMware HDAudio */ 2695 { PCI_DEVICE(0x15ad, 0x1977), .driver_data = AZX_DRIVER_GENERIC }, 2696 /* AMD/ATI Generic, PCI class code and Vendor ID for HD Audio */ 2697 { PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_ANY_ID), 2698 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8, 2699 .class_mask = 0xffffff, 2700 .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_HDMI }, 2701 { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_ANY_ID), 2702 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8, 2703 .class_mask = 0xffffff, 2704 .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_HDMI }, 2705 /* Zhaoxin */ 2706 { PCI_DEVICE(0x1d17, 0x3288), .driver_data = AZX_DRIVER_ZHAOXIN }, 2707 { 0, } 2708 }; 2709 MODULE_DEVICE_TABLE(pci, azx_ids); 2710 2711 /* pci_driver definition */ 2712 static struct pci_driver azx_driver = { 2713 .name = KBUILD_MODNAME, 2714 .id_table = azx_ids, 2715 .probe = azx_probe, 2716 .remove = azx_remove, 2717 .shutdown = azx_shutdown, 2718 .driver = { 2719 .pm = AZX_PM_OPS, 2720 }, 2721 }; 2722 2723 module_pci_driver(azx_driver); 2724