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 39 #ifdef CONFIG_X86 40 /* for snoop control */ 41 #include <asm/pgtable.h> 42 #include <asm/set_memory.h> 43 #include <asm/cpufeature.h> 44 #endif 45 #include <sound/core.h> 46 #include <sound/initval.h> 47 #include <sound/hdaudio.h> 48 #include <sound/hda_i915.h> 49 #include <linux/vgaarb.h> 50 #include <linux/vga_switcheroo.h> 51 #include <linux/firmware.h> 52 #include <sound/hda_codec.h> 53 #include "hda_controller.h" 54 #include "hda_intel.h" 55 56 #define CREATE_TRACE_POINTS 57 #include "hda_intel_trace.h" 58 59 /* position fix mode */ 60 enum { 61 POS_FIX_AUTO, 62 POS_FIX_LPIB, 63 POS_FIX_POSBUF, 64 POS_FIX_VIACOMBO, 65 POS_FIX_COMBO, 66 POS_FIX_SKL, 67 }; 68 69 /* Defines for ATI HD Audio support in SB450 south bridge */ 70 #define ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR 0x42 71 #define ATI_SB450_HDAUDIO_ENABLE_SNOOP 0x02 72 73 /* Defines for Nvidia HDA support */ 74 #define NVIDIA_HDA_TRANSREG_ADDR 0x4e 75 #define NVIDIA_HDA_ENABLE_COHBITS 0x0f 76 #define NVIDIA_HDA_ISTRM_COH 0x4d 77 #define NVIDIA_HDA_OSTRM_COH 0x4c 78 #define NVIDIA_HDA_ENABLE_COHBIT 0x01 79 80 /* Defines for Intel SCH HDA snoop control */ 81 #define INTEL_HDA_CGCTL 0x48 82 #define INTEL_HDA_CGCTL_MISCBDCGE (0x1 << 6) 83 #define INTEL_SCH_HDA_DEVC 0x78 84 #define INTEL_SCH_HDA_DEVC_NOSNOOP (0x1<<11) 85 86 /* Define IN stream 0 FIFO size offset in VIA controller */ 87 #define VIA_IN_STREAM0_FIFO_SIZE_OFFSET 0x90 88 /* Define VIA HD Audio Device ID*/ 89 #define VIA_HDAC_DEVICE_ID 0x3288 90 91 /* max number of SDs */ 92 /* ICH, ATI and VIA have 4 playback and 4 capture */ 93 #define ICH6_NUM_CAPTURE 4 94 #define ICH6_NUM_PLAYBACK 4 95 96 /* ULI has 6 playback and 5 capture */ 97 #define ULI_NUM_CAPTURE 5 98 #define ULI_NUM_PLAYBACK 6 99 100 /* ATI HDMI may have up to 8 playbacks and 0 capture */ 101 #define ATIHDMI_NUM_CAPTURE 0 102 #define ATIHDMI_NUM_PLAYBACK 8 103 104 /* TERA has 4 playback and 3 capture */ 105 #define TERA_NUM_CAPTURE 3 106 #define TERA_NUM_PLAYBACK 4 107 108 109 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; 110 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; 111 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; 112 static char *model[SNDRV_CARDS]; 113 static int position_fix[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1}; 114 static int bdl_pos_adj[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1}; 115 static int probe_mask[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1}; 116 static int probe_only[SNDRV_CARDS]; 117 static int jackpoll_ms[SNDRV_CARDS]; 118 static int single_cmd = -1; 119 static int enable_msi = -1; 120 #ifdef CONFIG_SND_HDA_PATCH_LOADER 121 static char *patch[SNDRV_CARDS]; 122 #endif 123 #ifdef CONFIG_SND_HDA_INPUT_BEEP 124 static bool beep_mode[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = 125 CONFIG_SND_HDA_INPUT_BEEP_MODE}; 126 #endif 127 128 module_param_array(index, int, NULL, 0444); 129 MODULE_PARM_DESC(index, "Index value for Intel HD audio interface."); 130 module_param_array(id, charp, NULL, 0444); 131 MODULE_PARM_DESC(id, "ID string for Intel HD audio interface."); 132 module_param_array(enable, bool, NULL, 0444); 133 MODULE_PARM_DESC(enable, "Enable Intel HD audio interface."); 134 module_param_array(model, charp, NULL, 0444); 135 MODULE_PARM_DESC(model, "Use the given board model."); 136 module_param_array(position_fix, int, NULL, 0444); 137 MODULE_PARM_DESC(position_fix, "DMA pointer read method." 138 "(-1 = system default, 0 = auto, 1 = LPIB, 2 = POSBUF, 3 = VIACOMBO, 4 = COMBO, 5 = SKL+)."); 139 module_param_array(bdl_pos_adj, int, NULL, 0644); 140 MODULE_PARM_DESC(bdl_pos_adj, "BDL position adjustment offset."); 141 module_param_array(probe_mask, int, NULL, 0444); 142 MODULE_PARM_DESC(probe_mask, "Bitmask to probe codecs (default = -1)."); 143 module_param_array(probe_only, int, NULL, 0444); 144 MODULE_PARM_DESC(probe_only, "Only probing and no codec initialization."); 145 module_param_array(jackpoll_ms, int, NULL, 0444); 146 MODULE_PARM_DESC(jackpoll_ms, "Ms between polling for jack events (default = 0, using unsol events only)"); 147 module_param(single_cmd, bint, 0444); 148 MODULE_PARM_DESC(single_cmd, "Use single command to communicate with codecs " 149 "(for debugging only)."); 150 module_param(enable_msi, bint, 0444); 151 MODULE_PARM_DESC(enable_msi, "Enable Message Signaled Interrupt (MSI)"); 152 #ifdef CONFIG_SND_HDA_PATCH_LOADER 153 module_param_array(patch, charp, NULL, 0444); 154 MODULE_PARM_DESC(patch, "Patch file for Intel HD audio interface."); 155 #endif 156 #ifdef CONFIG_SND_HDA_INPUT_BEEP 157 module_param_array(beep_mode, bool, NULL, 0444); 158 MODULE_PARM_DESC(beep_mode, "Select HDA Beep registration mode " 159 "(0=off, 1=on) (default=1)."); 160 #endif 161 162 #ifdef CONFIG_PM 163 static int param_set_xint(const char *val, const struct kernel_param *kp); 164 static const struct kernel_param_ops param_ops_xint = { 165 .set = param_set_xint, 166 .get = param_get_int, 167 }; 168 #define param_check_xint param_check_int 169 170 static int power_save = CONFIG_SND_HDA_POWER_SAVE_DEFAULT; 171 module_param(power_save, xint, 0644); 172 MODULE_PARM_DESC(power_save, "Automatic power-saving timeout " 173 "(in second, 0 = disable)."); 174 175 static bool pm_blacklist = true; 176 module_param(pm_blacklist, bool, 0644); 177 MODULE_PARM_DESC(pm_blacklist, "Enable power-management blacklist"); 178 179 /* reset the HD-audio controller in power save mode. 180 * this may give more power-saving, but will take longer time to 181 * wake up. 182 */ 183 static bool power_save_controller = 1; 184 module_param(power_save_controller, bool, 0644); 185 MODULE_PARM_DESC(power_save_controller, "Reset controller in power save mode."); 186 #else 187 #define power_save 0 188 #endif /* CONFIG_PM */ 189 190 static int align_buffer_size = -1; 191 module_param(align_buffer_size, bint, 0644); 192 MODULE_PARM_DESC(align_buffer_size, 193 "Force buffer and period sizes to be multiple of 128 bytes."); 194 195 #ifdef CONFIG_X86 196 static int hda_snoop = -1; 197 module_param_named(snoop, hda_snoop, bint, 0444); 198 MODULE_PARM_DESC(snoop, "Enable/disable snooping"); 199 #else 200 #define hda_snoop true 201 #endif 202 203 204 MODULE_LICENSE("GPL"); 205 MODULE_SUPPORTED_DEVICE("{{Intel, ICH6}," 206 "{Intel, ICH6M}," 207 "{Intel, ICH7}," 208 "{Intel, ESB2}," 209 "{Intel, ICH8}," 210 "{Intel, ICH9}," 211 "{Intel, ICH10}," 212 "{Intel, PCH}," 213 "{Intel, CPT}," 214 "{Intel, PPT}," 215 "{Intel, LPT}," 216 "{Intel, LPT_LP}," 217 "{Intel, WPT_LP}," 218 "{Intel, SPT}," 219 "{Intel, SPT_LP}," 220 "{Intel, HPT}," 221 "{Intel, PBG}," 222 "{Intel, SCH}," 223 "{ATI, SB450}," 224 "{ATI, SB600}," 225 "{ATI, RS600}," 226 "{ATI, RS690}," 227 "{ATI, RS780}," 228 "{ATI, R600}," 229 "{ATI, RV630}," 230 "{ATI, RV610}," 231 "{ATI, RV670}," 232 "{ATI, RV635}," 233 "{ATI, RV620}," 234 "{ATI, RV770}," 235 "{VIA, VT8251}," 236 "{VIA, VT8237A}," 237 "{SiS, SIS966}," 238 "{ULI, M5461}}"); 239 MODULE_DESCRIPTION("Intel HDA driver"); 240 241 #if defined(CONFIG_PM) && defined(CONFIG_VGA_SWITCHEROO) 242 #if IS_ENABLED(CONFIG_SND_HDA_CODEC_HDMI) 243 #define SUPPORT_VGA_SWITCHEROO 244 #endif 245 #endif 246 247 248 /* 249 */ 250 251 /* driver types */ 252 enum { 253 AZX_DRIVER_ICH, 254 AZX_DRIVER_PCH, 255 AZX_DRIVER_SCH, 256 AZX_DRIVER_SKL, 257 AZX_DRIVER_HDMI, 258 AZX_DRIVER_ATI, 259 AZX_DRIVER_ATIHDMI, 260 AZX_DRIVER_ATIHDMI_NS, 261 AZX_DRIVER_VIA, 262 AZX_DRIVER_SIS, 263 AZX_DRIVER_ULI, 264 AZX_DRIVER_NVIDIA, 265 AZX_DRIVER_TERA, 266 AZX_DRIVER_CTX, 267 AZX_DRIVER_CTHDA, 268 AZX_DRIVER_CMEDIA, 269 AZX_DRIVER_GENERIC, 270 AZX_NUM_DRIVERS, /* keep this as last entry */ 271 }; 272 273 #define azx_get_snoop_type(chip) \ 274 (((chip)->driver_caps & AZX_DCAPS_SNOOP_MASK) >> 10) 275 #define AZX_DCAPS_SNOOP_TYPE(type) ((AZX_SNOOP_TYPE_ ## type) << 10) 276 277 /* quirks for old Intel chipsets */ 278 #define AZX_DCAPS_INTEL_ICH \ 279 (AZX_DCAPS_OLD_SSYNC | AZX_DCAPS_NO_ALIGN_BUFSIZE) 280 281 /* quirks for Intel PCH */ 282 #define AZX_DCAPS_INTEL_PCH_BASE \ 283 (AZX_DCAPS_NO_ALIGN_BUFSIZE | AZX_DCAPS_COUNT_LPIB_DELAY |\ 284 AZX_DCAPS_SNOOP_TYPE(SCH)) 285 286 /* PCH up to IVB; no runtime PM; bind with i915 gfx */ 287 #define AZX_DCAPS_INTEL_PCH_NOPM \ 288 (AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_I915_COMPONENT) 289 290 /* PCH for HSW/BDW; with runtime PM */ 291 /* no i915 binding for this as HSW/BDW has another controller for HDMI */ 292 #define AZX_DCAPS_INTEL_PCH \ 293 (AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_PM_RUNTIME) 294 295 /* HSW HDMI */ 296 #define AZX_DCAPS_INTEL_HASWELL \ 297 (/*AZX_DCAPS_ALIGN_BUFSIZE |*/ AZX_DCAPS_COUNT_LPIB_DELAY |\ 298 AZX_DCAPS_PM_RUNTIME | AZX_DCAPS_I915_COMPONENT |\ 299 AZX_DCAPS_SNOOP_TYPE(SCH)) 300 301 /* Broadwell HDMI can't use position buffer reliably, force to use LPIB */ 302 #define AZX_DCAPS_INTEL_BROADWELL \ 303 (/*AZX_DCAPS_ALIGN_BUFSIZE |*/ AZX_DCAPS_POSFIX_LPIB |\ 304 AZX_DCAPS_PM_RUNTIME | AZX_DCAPS_I915_COMPONENT |\ 305 AZX_DCAPS_SNOOP_TYPE(SCH)) 306 307 #define AZX_DCAPS_INTEL_BAYTRAIL \ 308 (AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_I915_COMPONENT) 309 310 #define AZX_DCAPS_INTEL_BRASWELL \ 311 (AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_PM_RUNTIME |\ 312 AZX_DCAPS_I915_COMPONENT) 313 314 #define AZX_DCAPS_INTEL_SKYLAKE \ 315 (AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_PM_RUNTIME |\ 316 AZX_DCAPS_SEPARATE_STREAM_TAG | AZX_DCAPS_I915_COMPONENT) 317 318 #define AZX_DCAPS_INTEL_BROXTON \ 319 (AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_PM_RUNTIME |\ 320 AZX_DCAPS_SEPARATE_STREAM_TAG | AZX_DCAPS_I915_COMPONENT) 321 322 /* quirks for ATI SB / AMD Hudson */ 323 #define AZX_DCAPS_PRESET_ATI_SB \ 324 (AZX_DCAPS_NO_TCSEL | AZX_DCAPS_SYNC_WRITE | AZX_DCAPS_POSFIX_LPIB |\ 325 AZX_DCAPS_SNOOP_TYPE(ATI)) 326 327 /* quirks for ATI/AMD HDMI */ 328 #define AZX_DCAPS_PRESET_ATI_HDMI \ 329 (AZX_DCAPS_NO_TCSEL | AZX_DCAPS_SYNC_WRITE | AZX_DCAPS_POSFIX_LPIB|\ 330 AZX_DCAPS_NO_MSI64) 331 332 /* quirks for ATI HDMI with snoop off */ 333 #define AZX_DCAPS_PRESET_ATI_HDMI_NS \ 334 (AZX_DCAPS_PRESET_ATI_HDMI | AZX_DCAPS_SNOOP_OFF) 335 336 /* quirks for Nvidia */ 337 #define AZX_DCAPS_PRESET_NVIDIA \ 338 (AZX_DCAPS_NO_MSI | AZX_DCAPS_CORBRP_SELF_CLEAR |\ 339 AZX_DCAPS_SNOOP_TYPE(NVIDIA)) 340 341 #define AZX_DCAPS_PRESET_CTHDA \ 342 (AZX_DCAPS_NO_MSI | AZX_DCAPS_POSFIX_LPIB |\ 343 AZX_DCAPS_NO_64BIT |\ 344 AZX_DCAPS_4K_BDLE_BOUNDARY | AZX_DCAPS_SNOOP_OFF) 345 346 /* 347 * vga_switcheroo support 348 */ 349 #ifdef SUPPORT_VGA_SWITCHEROO 350 #define use_vga_switcheroo(chip) ((chip)->use_vga_switcheroo) 351 #define needs_eld_notify_link(chip) ((chip)->need_eld_notify_link) 352 #else 353 #define use_vga_switcheroo(chip) 0 354 #define needs_eld_notify_link(chip) false 355 #endif 356 357 #define CONTROLLER_IN_GPU(pci) (((pci)->device == 0x0a0c) || \ 358 ((pci)->device == 0x0c0c) || \ 359 ((pci)->device == 0x0d0c) || \ 360 ((pci)->device == 0x160c)) 361 362 #define IS_BXT(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x5a98) 363 #define IS_CFL(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0xa348) 364 #define IS_CNL(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x9dc8) 365 366 static char *driver_short_names[] = { 367 [AZX_DRIVER_ICH] = "HDA Intel", 368 [AZX_DRIVER_PCH] = "HDA Intel PCH", 369 [AZX_DRIVER_SCH] = "HDA Intel MID", 370 [AZX_DRIVER_SKL] = "HDA Intel PCH", /* kept old name for compatibility */ 371 [AZX_DRIVER_HDMI] = "HDA Intel HDMI", 372 [AZX_DRIVER_ATI] = "HDA ATI SB", 373 [AZX_DRIVER_ATIHDMI] = "HDA ATI HDMI", 374 [AZX_DRIVER_ATIHDMI_NS] = "HDA ATI HDMI", 375 [AZX_DRIVER_VIA] = "HDA VIA VT82xx", 376 [AZX_DRIVER_SIS] = "HDA SIS966", 377 [AZX_DRIVER_ULI] = "HDA ULI M5461", 378 [AZX_DRIVER_NVIDIA] = "HDA NVidia", 379 [AZX_DRIVER_TERA] = "HDA Teradici", 380 [AZX_DRIVER_CTX] = "HDA Creative", 381 [AZX_DRIVER_CTHDA] = "HDA Creative", 382 [AZX_DRIVER_CMEDIA] = "HDA C-Media", 383 [AZX_DRIVER_GENERIC] = "HD-Audio Generic", 384 }; 385 386 static int azx_acquire_irq(struct azx *chip, int do_disconnect); 387 static void set_default_power_save(struct azx *chip); 388 389 /* 390 * initialize the PCI registers 391 */ 392 /* update bits in a PCI register byte */ 393 static void update_pci_byte(struct pci_dev *pci, unsigned int reg, 394 unsigned char mask, unsigned char val) 395 { 396 unsigned char data; 397 398 pci_read_config_byte(pci, reg, &data); 399 data &= ~mask; 400 data |= (val & mask); 401 pci_write_config_byte(pci, reg, data); 402 } 403 404 static void azx_init_pci(struct azx *chip) 405 { 406 int snoop_type = azx_get_snoop_type(chip); 407 408 /* Clear bits 0-2 of PCI register TCSEL (at offset 0x44) 409 * TCSEL == Traffic Class Select Register, which sets PCI express QOS 410 * Ensuring these bits are 0 clears playback static on some HD Audio 411 * codecs. 412 * The PCI register TCSEL is defined in the Intel manuals. 413 */ 414 if (!(chip->driver_caps & AZX_DCAPS_NO_TCSEL)) { 415 dev_dbg(chip->card->dev, "Clearing TCSEL\n"); 416 update_pci_byte(chip->pci, AZX_PCIREG_TCSEL, 0x07, 0); 417 } 418 419 /* For ATI SB450/600/700/800/900 and AMD Hudson azalia HD audio, 420 * we need to enable snoop. 421 */ 422 if (snoop_type == AZX_SNOOP_TYPE_ATI) { 423 dev_dbg(chip->card->dev, "Setting ATI snoop: %d\n", 424 azx_snoop(chip)); 425 update_pci_byte(chip->pci, 426 ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR, 0x07, 427 azx_snoop(chip) ? ATI_SB450_HDAUDIO_ENABLE_SNOOP : 0); 428 } 429 430 /* For NVIDIA HDA, enable snoop */ 431 if (snoop_type == AZX_SNOOP_TYPE_NVIDIA) { 432 dev_dbg(chip->card->dev, "Setting Nvidia snoop: %d\n", 433 azx_snoop(chip)); 434 update_pci_byte(chip->pci, 435 NVIDIA_HDA_TRANSREG_ADDR, 436 0x0f, NVIDIA_HDA_ENABLE_COHBITS); 437 update_pci_byte(chip->pci, 438 NVIDIA_HDA_ISTRM_COH, 439 0x01, NVIDIA_HDA_ENABLE_COHBIT); 440 update_pci_byte(chip->pci, 441 NVIDIA_HDA_OSTRM_COH, 442 0x01, NVIDIA_HDA_ENABLE_COHBIT); 443 } 444 445 /* Enable SCH/PCH snoop if needed */ 446 if (snoop_type == AZX_SNOOP_TYPE_SCH) { 447 unsigned short snoop; 448 pci_read_config_word(chip->pci, INTEL_SCH_HDA_DEVC, &snoop); 449 if ((!azx_snoop(chip) && !(snoop & INTEL_SCH_HDA_DEVC_NOSNOOP)) || 450 (azx_snoop(chip) && (snoop & INTEL_SCH_HDA_DEVC_NOSNOOP))) { 451 snoop &= ~INTEL_SCH_HDA_DEVC_NOSNOOP; 452 if (!azx_snoop(chip)) 453 snoop |= INTEL_SCH_HDA_DEVC_NOSNOOP; 454 pci_write_config_word(chip->pci, INTEL_SCH_HDA_DEVC, snoop); 455 pci_read_config_word(chip->pci, 456 INTEL_SCH_HDA_DEVC, &snoop); 457 } 458 dev_dbg(chip->card->dev, "SCH snoop: %s\n", 459 (snoop & INTEL_SCH_HDA_DEVC_NOSNOOP) ? 460 "Disabled" : "Enabled"); 461 } 462 } 463 464 /* 465 * In BXT-P A0, HD-Audio DMA requests is later than expected, 466 * and makes an audio stream sensitive to system latencies when 467 * 24/32 bits are playing. 468 * Adjusting threshold of DMA fifo to force the DMA request 469 * sooner to improve latency tolerance at the expense of power. 470 */ 471 static void bxt_reduce_dma_latency(struct azx *chip) 472 { 473 u32 val; 474 475 val = azx_readl(chip, VS_EM4L); 476 val &= (0x3 << 20); 477 azx_writel(chip, VS_EM4L, val); 478 } 479 480 /* 481 * ML_LCAP bits: 482 * bit 0: 6 MHz Supported 483 * bit 1: 12 MHz Supported 484 * bit 2: 24 MHz Supported 485 * bit 3: 48 MHz Supported 486 * bit 4: 96 MHz Supported 487 * bit 5: 192 MHz Supported 488 */ 489 static int intel_get_lctl_scf(struct azx *chip) 490 { 491 struct hdac_bus *bus = azx_bus(chip); 492 static int preferred_bits[] = { 2, 3, 1, 4, 5 }; 493 u32 val, t; 494 int i; 495 496 val = readl(bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCAP); 497 498 for (i = 0; i < ARRAY_SIZE(preferred_bits); i++) { 499 t = preferred_bits[i]; 500 if (val & (1 << t)) 501 return t; 502 } 503 504 dev_warn(chip->card->dev, "set audio clock frequency to 6MHz"); 505 return 0; 506 } 507 508 static int intel_ml_lctl_set_power(struct azx *chip, int state) 509 { 510 struct hdac_bus *bus = azx_bus(chip); 511 u32 val; 512 int timeout; 513 514 /* 515 * the codecs are sharing the first link setting by default 516 * If other links are enabled for stream, they need similar fix 517 */ 518 val = readl(bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCTL); 519 val &= ~AZX_MLCTL_SPA; 520 val |= state << AZX_MLCTL_SPA_SHIFT; 521 writel(val, bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCTL); 522 /* wait for CPA */ 523 timeout = 50; 524 while (timeout) { 525 if (((readl(bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCTL)) & 526 AZX_MLCTL_CPA) == (state << AZX_MLCTL_CPA_SHIFT)) 527 return 0; 528 timeout--; 529 udelay(10); 530 } 531 532 return -1; 533 } 534 535 static void intel_init_lctl(struct azx *chip) 536 { 537 struct hdac_bus *bus = azx_bus(chip); 538 u32 val; 539 int ret; 540 541 /* 0. check lctl register value is correct or not */ 542 val = readl(bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCTL); 543 /* if SCF is already set, let's use it */ 544 if ((val & ML_LCTL_SCF_MASK) != 0) 545 return; 546 547 /* 548 * Before operating on SPA, CPA must match SPA. 549 * Any deviation may result in undefined behavior. 550 */ 551 if (((val & AZX_MLCTL_SPA) >> AZX_MLCTL_SPA_SHIFT) != 552 ((val & AZX_MLCTL_CPA) >> AZX_MLCTL_CPA_SHIFT)) 553 return; 554 555 /* 1. turn link down: set SPA to 0 and wait CPA to 0 */ 556 ret = intel_ml_lctl_set_power(chip, 0); 557 udelay(100); 558 if (ret) 559 goto set_spa; 560 561 /* 2. update SCF to select a properly audio clock*/ 562 val &= ~ML_LCTL_SCF_MASK; 563 val |= intel_get_lctl_scf(chip); 564 writel(val, bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCTL); 565 566 set_spa: 567 /* 4. turn link up: set SPA to 1 and wait CPA to 1 */ 568 intel_ml_lctl_set_power(chip, 1); 569 udelay(100); 570 } 571 572 static void hda_intel_init_chip(struct azx *chip, bool full_reset) 573 { 574 struct hdac_bus *bus = azx_bus(chip); 575 struct pci_dev *pci = chip->pci; 576 u32 val; 577 578 snd_hdac_set_codec_wakeup(bus, true); 579 if (chip->driver_type == AZX_DRIVER_SKL) { 580 pci_read_config_dword(pci, INTEL_HDA_CGCTL, &val); 581 val = val & ~INTEL_HDA_CGCTL_MISCBDCGE; 582 pci_write_config_dword(pci, INTEL_HDA_CGCTL, val); 583 } 584 azx_init_chip(chip, full_reset); 585 if (chip->driver_type == AZX_DRIVER_SKL) { 586 pci_read_config_dword(pci, INTEL_HDA_CGCTL, &val); 587 val = val | INTEL_HDA_CGCTL_MISCBDCGE; 588 pci_write_config_dword(pci, INTEL_HDA_CGCTL, val); 589 } 590 591 snd_hdac_set_codec_wakeup(bus, false); 592 593 /* reduce dma latency to avoid noise */ 594 if (IS_BXT(pci)) 595 bxt_reduce_dma_latency(chip); 596 597 if (bus->mlcap != NULL) 598 intel_init_lctl(chip); 599 } 600 601 /* calculate runtime delay from LPIB */ 602 static int azx_get_delay_from_lpib(struct azx *chip, struct azx_dev *azx_dev, 603 unsigned int pos) 604 { 605 struct snd_pcm_substream *substream = azx_dev->core.substream; 606 int stream = substream->stream; 607 unsigned int lpib_pos = azx_get_pos_lpib(chip, azx_dev); 608 int delay; 609 610 if (stream == SNDRV_PCM_STREAM_PLAYBACK) 611 delay = pos - lpib_pos; 612 else 613 delay = lpib_pos - pos; 614 if (delay < 0) { 615 if (delay >= azx_dev->core.delay_negative_threshold) 616 delay = 0; 617 else 618 delay += azx_dev->core.bufsize; 619 } 620 621 if (delay >= azx_dev->core.period_bytes) { 622 dev_info(chip->card->dev, 623 "Unstable LPIB (%d >= %d); disabling LPIB delay counting\n", 624 delay, azx_dev->core.period_bytes); 625 delay = 0; 626 chip->driver_caps &= ~AZX_DCAPS_COUNT_LPIB_DELAY; 627 chip->get_delay[stream] = NULL; 628 } 629 630 return bytes_to_frames(substream->runtime, delay); 631 } 632 633 static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev); 634 635 /* called from IRQ */ 636 static int azx_position_check(struct azx *chip, struct azx_dev *azx_dev) 637 { 638 struct hda_intel *hda = container_of(chip, struct hda_intel, chip); 639 int ok; 640 641 ok = azx_position_ok(chip, azx_dev); 642 if (ok == 1) { 643 azx_dev->irq_pending = 0; 644 return ok; 645 } else if (ok == 0) { 646 /* bogus IRQ, process it later */ 647 azx_dev->irq_pending = 1; 648 schedule_work(&hda->irq_pending_work); 649 } 650 return 0; 651 } 652 653 #define display_power(chip, enable) \ 654 snd_hdac_display_power(azx_bus(chip), HDA_CODEC_IDX_CONTROLLER, enable) 655 656 /* 657 * Check whether the current DMA position is acceptable for updating 658 * periods. Returns non-zero if it's OK. 659 * 660 * Many HD-audio controllers appear pretty inaccurate about 661 * the update-IRQ timing. The IRQ is issued before actually the 662 * data is processed. So, we need to process it afterwords in a 663 * workqueue. 664 */ 665 static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev) 666 { 667 struct snd_pcm_substream *substream = azx_dev->core.substream; 668 int stream = substream->stream; 669 u32 wallclk; 670 unsigned int pos; 671 672 wallclk = azx_readl(chip, WALLCLK) - azx_dev->core.start_wallclk; 673 if (wallclk < (azx_dev->core.period_wallclk * 2) / 3) 674 return -1; /* bogus (too early) interrupt */ 675 676 if (chip->get_position[stream]) 677 pos = chip->get_position[stream](chip, azx_dev); 678 else { /* use the position buffer as default */ 679 pos = azx_get_pos_posbuf(chip, azx_dev); 680 if (!pos || pos == (u32)-1) { 681 dev_info(chip->card->dev, 682 "Invalid position buffer, using LPIB read method instead.\n"); 683 chip->get_position[stream] = azx_get_pos_lpib; 684 if (chip->get_position[0] == azx_get_pos_lpib && 685 chip->get_position[1] == azx_get_pos_lpib) 686 azx_bus(chip)->use_posbuf = false; 687 pos = azx_get_pos_lpib(chip, azx_dev); 688 chip->get_delay[stream] = NULL; 689 } else { 690 chip->get_position[stream] = azx_get_pos_posbuf; 691 if (chip->driver_caps & AZX_DCAPS_COUNT_LPIB_DELAY) 692 chip->get_delay[stream] = azx_get_delay_from_lpib; 693 } 694 } 695 696 if (pos >= azx_dev->core.bufsize) 697 pos = 0; 698 699 if (WARN_ONCE(!azx_dev->core.period_bytes, 700 "hda-intel: zero azx_dev->period_bytes")) 701 return -1; /* this shouldn't happen! */ 702 if (wallclk < (azx_dev->core.period_wallclk * 5) / 4 && 703 pos % azx_dev->core.period_bytes > azx_dev->core.period_bytes / 2) 704 /* NG - it's below the first next period boundary */ 705 return chip->bdl_pos_adj ? 0 : -1; 706 azx_dev->core.start_wallclk += wallclk; 707 return 1; /* OK, it's fine */ 708 } 709 710 /* 711 * The work for pending PCM period updates. 712 */ 713 static void azx_irq_pending_work(struct work_struct *work) 714 { 715 struct hda_intel *hda = container_of(work, struct hda_intel, irq_pending_work); 716 struct azx *chip = &hda->chip; 717 struct hdac_bus *bus = azx_bus(chip); 718 struct hdac_stream *s; 719 int pending, ok; 720 721 if (!hda->irq_pending_warned) { 722 dev_info(chip->card->dev, 723 "IRQ timing workaround is activated for card #%d. Suggest a bigger bdl_pos_adj.\n", 724 chip->card->number); 725 hda->irq_pending_warned = 1; 726 } 727 728 for (;;) { 729 pending = 0; 730 spin_lock_irq(&bus->reg_lock); 731 list_for_each_entry(s, &bus->stream_list, list) { 732 struct azx_dev *azx_dev = stream_to_azx_dev(s); 733 if (!azx_dev->irq_pending || 734 !s->substream || 735 !s->running) 736 continue; 737 ok = azx_position_ok(chip, azx_dev); 738 if (ok > 0) { 739 azx_dev->irq_pending = 0; 740 spin_unlock(&bus->reg_lock); 741 snd_pcm_period_elapsed(s->substream); 742 spin_lock(&bus->reg_lock); 743 } else if (ok < 0) { 744 pending = 0; /* too early */ 745 } else 746 pending++; 747 } 748 spin_unlock_irq(&bus->reg_lock); 749 if (!pending) 750 return; 751 msleep(1); 752 } 753 } 754 755 /* clear irq_pending flags and assure no on-going workq */ 756 static void azx_clear_irq_pending(struct azx *chip) 757 { 758 struct hdac_bus *bus = azx_bus(chip); 759 struct hdac_stream *s; 760 761 spin_lock_irq(&bus->reg_lock); 762 list_for_each_entry(s, &bus->stream_list, list) { 763 struct azx_dev *azx_dev = stream_to_azx_dev(s); 764 azx_dev->irq_pending = 0; 765 } 766 spin_unlock_irq(&bus->reg_lock); 767 } 768 769 static int azx_acquire_irq(struct azx *chip, int do_disconnect) 770 { 771 struct hdac_bus *bus = azx_bus(chip); 772 773 if (request_irq(chip->pci->irq, azx_interrupt, 774 chip->msi ? 0 : IRQF_SHARED, 775 chip->card->irq_descr, chip)) { 776 dev_err(chip->card->dev, 777 "unable to grab IRQ %d, disabling device\n", 778 chip->pci->irq); 779 if (do_disconnect) 780 snd_card_disconnect(chip->card); 781 return -1; 782 } 783 bus->irq = chip->pci->irq; 784 pci_intx(chip->pci, !chip->msi); 785 return 0; 786 } 787 788 /* get the current DMA position with correction on VIA chips */ 789 static unsigned int azx_via_get_position(struct azx *chip, 790 struct azx_dev *azx_dev) 791 { 792 unsigned int link_pos, mini_pos, bound_pos; 793 unsigned int mod_link_pos, mod_dma_pos, mod_mini_pos; 794 unsigned int fifo_size; 795 796 link_pos = snd_hdac_stream_get_pos_lpib(azx_stream(azx_dev)); 797 if (azx_dev->core.substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { 798 /* Playback, no problem using link position */ 799 return link_pos; 800 } 801 802 /* Capture */ 803 /* For new chipset, 804 * use mod to get the DMA position just like old chipset 805 */ 806 mod_dma_pos = le32_to_cpu(*azx_dev->core.posbuf); 807 mod_dma_pos %= azx_dev->core.period_bytes; 808 809 /* azx_dev->fifo_size can't get FIFO size of in stream. 810 * Get from base address + offset. 811 */ 812 fifo_size = readw(azx_bus(chip)->remap_addr + 813 VIA_IN_STREAM0_FIFO_SIZE_OFFSET); 814 815 if (azx_dev->insufficient) { 816 /* Link position never gather than FIFO size */ 817 if (link_pos <= fifo_size) 818 return 0; 819 820 azx_dev->insufficient = 0; 821 } 822 823 if (link_pos <= fifo_size) 824 mini_pos = azx_dev->core.bufsize + link_pos - fifo_size; 825 else 826 mini_pos = link_pos - fifo_size; 827 828 /* Find nearest previous boudary */ 829 mod_mini_pos = mini_pos % azx_dev->core.period_bytes; 830 mod_link_pos = link_pos % azx_dev->core.period_bytes; 831 if (mod_link_pos >= fifo_size) 832 bound_pos = link_pos - mod_link_pos; 833 else if (mod_dma_pos >= mod_mini_pos) 834 bound_pos = mini_pos - mod_mini_pos; 835 else { 836 bound_pos = mini_pos - mod_mini_pos + azx_dev->core.period_bytes; 837 if (bound_pos >= azx_dev->core.bufsize) 838 bound_pos = 0; 839 } 840 841 /* Calculate real DMA position we want */ 842 return bound_pos + mod_dma_pos; 843 } 844 845 static unsigned int azx_skl_get_dpib_pos(struct azx *chip, 846 struct azx_dev *azx_dev) 847 { 848 return _snd_hdac_chip_readl(azx_bus(chip), 849 AZX_REG_VS_SDXDPIB_XBASE + 850 (AZX_REG_VS_SDXDPIB_XINTERVAL * 851 azx_dev->core.index)); 852 } 853 854 /* get the current DMA position with correction on SKL+ chips */ 855 static unsigned int azx_get_pos_skl(struct azx *chip, struct azx_dev *azx_dev) 856 { 857 /* DPIB register gives a more accurate position for playback */ 858 if (azx_dev->core.substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 859 return azx_skl_get_dpib_pos(chip, azx_dev); 860 861 /* For capture, we need to read posbuf, but it requires a delay 862 * for the possible boundary overlap; the read of DPIB fetches the 863 * actual posbuf 864 */ 865 udelay(20); 866 azx_skl_get_dpib_pos(chip, azx_dev); 867 return azx_get_pos_posbuf(chip, azx_dev); 868 } 869 870 #ifdef CONFIG_PM 871 static DEFINE_MUTEX(card_list_lock); 872 static LIST_HEAD(card_list); 873 874 static void azx_add_card_list(struct azx *chip) 875 { 876 struct hda_intel *hda = container_of(chip, struct hda_intel, chip); 877 mutex_lock(&card_list_lock); 878 list_add(&hda->list, &card_list); 879 mutex_unlock(&card_list_lock); 880 } 881 882 static void azx_del_card_list(struct azx *chip) 883 { 884 struct hda_intel *hda = container_of(chip, struct hda_intel, chip); 885 mutex_lock(&card_list_lock); 886 list_del_init(&hda->list); 887 mutex_unlock(&card_list_lock); 888 } 889 890 /* trigger power-save check at writing parameter */ 891 static int param_set_xint(const char *val, const struct kernel_param *kp) 892 { 893 struct hda_intel *hda; 894 struct azx *chip; 895 int prev = power_save; 896 int ret = param_set_int(val, kp); 897 898 if (ret || prev == power_save) 899 return ret; 900 901 mutex_lock(&card_list_lock); 902 list_for_each_entry(hda, &card_list, list) { 903 chip = &hda->chip; 904 if (!hda->probe_continued || chip->disabled) 905 continue; 906 snd_hda_set_power_save(&chip->bus, power_save * 1000); 907 } 908 mutex_unlock(&card_list_lock); 909 return 0; 910 } 911 912 /* 913 * power management 914 */ 915 static bool azx_is_pm_ready(struct snd_card *card) 916 { 917 struct azx *chip; 918 struct hda_intel *hda; 919 920 if (!card) 921 return false; 922 chip = card->private_data; 923 hda = container_of(chip, struct hda_intel, chip); 924 if (chip->disabled || hda->init_failed || !chip->running) 925 return false; 926 return true; 927 } 928 929 static void __azx_runtime_suspend(struct azx *chip) 930 { 931 azx_stop_chip(chip); 932 azx_enter_link_reset(chip); 933 azx_clear_irq_pending(chip); 934 display_power(chip, false); 935 } 936 937 static void __azx_runtime_resume(struct azx *chip, bool from_rt) 938 { 939 struct hda_intel *hda = container_of(chip, struct hda_intel, chip); 940 struct hdac_bus *bus = azx_bus(chip); 941 struct hda_codec *codec; 942 int status; 943 944 display_power(chip, true); 945 if (hda->need_i915_power) 946 snd_hdac_i915_set_bclk(bus); 947 948 /* Read STATESTS before controller reset */ 949 status = azx_readw(chip, STATESTS); 950 951 azx_init_pci(chip); 952 hda_intel_init_chip(chip, true); 953 954 if (status && from_rt) { 955 list_for_each_codec(codec, &chip->bus) 956 if (status & (1 << codec->addr)) 957 schedule_delayed_work(&codec->jackpoll_work, 958 codec->jackpoll_interval); 959 } 960 961 /* power down again for link-controlled chips */ 962 if (!hda->need_i915_power) 963 display_power(chip, false); 964 } 965 966 #ifdef CONFIG_PM_SLEEP 967 static int azx_suspend(struct device *dev) 968 { 969 struct snd_card *card = dev_get_drvdata(dev); 970 struct azx *chip; 971 struct hdac_bus *bus; 972 973 if (!azx_is_pm_ready(card)) 974 return 0; 975 976 chip = card->private_data; 977 bus = azx_bus(chip); 978 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 979 __azx_runtime_suspend(chip); 980 if (bus->irq >= 0) { 981 free_irq(bus->irq, chip); 982 bus->irq = -1; 983 } 984 985 if (chip->msi) 986 pci_disable_msi(chip->pci); 987 988 trace_azx_suspend(chip); 989 return 0; 990 } 991 992 static int azx_resume(struct device *dev) 993 { 994 struct snd_card *card = dev_get_drvdata(dev); 995 struct azx *chip; 996 997 if (!azx_is_pm_ready(card)) 998 return 0; 999 1000 chip = card->private_data; 1001 if (chip->msi) 1002 if (pci_enable_msi(chip->pci) < 0) 1003 chip->msi = 0; 1004 if (azx_acquire_irq(chip, 1) < 0) 1005 return -EIO; 1006 __azx_runtime_resume(chip, false); 1007 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 1008 1009 trace_azx_resume(chip); 1010 return 0; 1011 } 1012 1013 /* put codec down to D3 at hibernation for Intel SKL+; 1014 * otherwise BIOS may still access the codec and screw up the driver 1015 */ 1016 static int azx_freeze_noirq(struct device *dev) 1017 { 1018 struct snd_card *card = dev_get_drvdata(dev); 1019 struct azx *chip = card->private_data; 1020 struct pci_dev *pci = to_pci_dev(dev); 1021 1022 if (chip->driver_type == AZX_DRIVER_SKL) 1023 pci_set_power_state(pci, PCI_D3hot); 1024 1025 return 0; 1026 } 1027 1028 static int azx_thaw_noirq(struct device *dev) 1029 { 1030 struct snd_card *card = dev_get_drvdata(dev); 1031 struct azx *chip = card->private_data; 1032 struct pci_dev *pci = to_pci_dev(dev); 1033 1034 if (chip->driver_type == AZX_DRIVER_SKL) 1035 pci_set_power_state(pci, PCI_D0); 1036 1037 return 0; 1038 } 1039 #endif /* CONFIG_PM_SLEEP */ 1040 1041 static int azx_runtime_suspend(struct device *dev) 1042 { 1043 struct snd_card *card = dev_get_drvdata(dev); 1044 struct azx *chip; 1045 1046 if (!azx_is_pm_ready(card)) 1047 return 0; 1048 chip = card->private_data; 1049 if (!azx_has_pm_runtime(chip)) 1050 return 0; 1051 1052 /* enable controller wake up event */ 1053 azx_writew(chip, WAKEEN, azx_readw(chip, WAKEEN) | 1054 STATESTS_INT_MASK); 1055 1056 __azx_runtime_suspend(chip); 1057 trace_azx_runtime_suspend(chip); 1058 return 0; 1059 } 1060 1061 static int azx_runtime_resume(struct device *dev) 1062 { 1063 struct snd_card *card = dev_get_drvdata(dev); 1064 struct azx *chip; 1065 1066 if (!azx_is_pm_ready(card)) 1067 return 0; 1068 chip = card->private_data; 1069 if (!azx_has_pm_runtime(chip)) 1070 return 0; 1071 __azx_runtime_resume(chip, true); 1072 1073 /* disable controller Wake Up event*/ 1074 azx_writew(chip, WAKEEN, azx_readw(chip, WAKEEN) & 1075 ~STATESTS_INT_MASK); 1076 1077 trace_azx_runtime_resume(chip); 1078 return 0; 1079 } 1080 1081 static int azx_runtime_idle(struct device *dev) 1082 { 1083 struct snd_card *card = dev_get_drvdata(dev); 1084 struct azx *chip; 1085 struct hda_intel *hda; 1086 1087 if (!card) 1088 return 0; 1089 1090 chip = card->private_data; 1091 hda = container_of(chip, struct hda_intel, chip); 1092 if (chip->disabled || hda->init_failed) 1093 return 0; 1094 1095 if (!power_save_controller || !azx_has_pm_runtime(chip) || 1096 azx_bus(chip)->codec_powered || !chip->running) 1097 return -EBUSY; 1098 1099 /* ELD notification gets broken when HD-audio bus is off */ 1100 if (needs_eld_notify_link(hda)) 1101 return -EBUSY; 1102 1103 return 0; 1104 } 1105 1106 static const struct dev_pm_ops azx_pm = { 1107 SET_SYSTEM_SLEEP_PM_OPS(azx_suspend, azx_resume) 1108 #ifdef CONFIG_PM_SLEEP 1109 .freeze_noirq = azx_freeze_noirq, 1110 .thaw_noirq = azx_thaw_noirq, 1111 #endif 1112 SET_RUNTIME_PM_OPS(azx_runtime_suspend, azx_runtime_resume, azx_runtime_idle) 1113 }; 1114 1115 #define AZX_PM_OPS &azx_pm 1116 #else 1117 #define azx_add_card_list(chip) /* NOP */ 1118 #define azx_del_card_list(chip) /* NOP */ 1119 #define AZX_PM_OPS NULL 1120 #endif /* CONFIG_PM */ 1121 1122 1123 static int azx_probe_continue(struct azx *chip); 1124 1125 #ifdef SUPPORT_VGA_SWITCHEROO 1126 static struct pci_dev *get_bound_vga(struct pci_dev *pci); 1127 1128 static void azx_vs_set_state(struct pci_dev *pci, 1129 enum vga_switcheroo_state state) 1130 { 1131 struct snd_card *card = pci_get_drvdata(pci); 1132 struct azx *chip = card->private_data; 1133 struct hda_intel *hda = container_of(chip, struct hda_intel, chip); 1134 struct hda_codec *codec; 1135 bool disabled; 1136 1137 wait_for_completion(&hda->probe_wait); 1138 if (hda->init_failed) 1139 return; 1140 1141 disabled = (state == VGA_SWITCHEROO_OFF); 1142 if (chip->disabled == disabled) 1143 return; 1144 1145 if (!hda->probe_continued) { 1146 chip->disabled = disabled; 1147 if (!disabled) { 1148 dev_info(chip->card->dev, 1149 "Start delayed initialization\n"); 1150 if (azx_probe_continue(chip) < 0) { 1151 dev_err(chip->card->dev, "initialization error\n"); 1152 hda->init_failed = true; 1153 } 1154 } 1155 } else { 1156 dev_info(chip->card->dev, "%s via vga_switcheroo\n", 1157 disabled ? "Disabling" : "Enabling"); 1158 if (disabled) { 1159 list_for_each_codec(codec, &chip->bus) { 1160 pm_runtime_suspend(hda_codec_dev(codec)); 1161 pm_runtime_disable(hda_codec_dev(codec)); 1162 } 1163 pm_runtime_suspend(card->dev); 1164 pm_runtime_disable(card->dev); 1165 /* when we get suspended by vga_switcheroo we end up in D3cold, 1166 * however we have no ACPI handle, so pci/acpi can't put us there, 1167 * put ourselves there */ 1168 pci->current_state = PCI_D3cold; 1169 chip->disabled = true; 1170 if (snd_hda_lock_devices(&chip->bus)) 1171 dev_warn(chip->card->dev, 1172 "Cannot lock devices!\n"); 1173 } else { 1174 snd_hda_unlock_devices(&chip->bus); 1175 chip->disabled = false; 1176 pm_runtime_enable(card->dev); 1177 list_for_each_codec(codec, &chip->bus) { 1178 pm_runtime_enable(hda_codec_dev(codec)); 1179 pm_runtime_resume(hda_codec_dev(codec)); 1180 } 1181 } 1182 } 1183 } 1184 1185 static bool azx_vs_can_switch(struct pci_dev *pci) 1186 { 1187 struct snd_card *card = pci_get_drvdata(pci); 1188 struct azx *chip = card->private_data; 1189 struct hda_intel *hda = container_of(chip, struct hda_intel, chip); 1190 1191 wait_for_completion(&hda->probe_wait); 1192 if (hda->init_failed) 1193 return false; 1194 if (chip->disabled || !hda->probe_continued) 1195 return true; 1196 if (snd_hda_lock_devices(&chip->bus)) 1197 return false; 1198 snd_hda_unlock_devices(&chip->bus); 1199 return true; 1200 } 1201 1202 /* 1203 * The discrete GPU cannot power down unless the HDA controller runtime 1204 * suspends, so activate runtime PM on codecs even if power_save == 0. 1205 */ 1206 static void setup_vga_switcheroo_runtime_pm(struct azx *chip) 1207 { 1208 struct hda_intel *hda = container_of(chip, struct hda_intel, chip); 1209 struct hda_codec *codec; 1210 1211 if (hda->use_vga_switcheroo && !hda->need_eld_notify_link) { 1212 list_for_each_codec(codec, &chip->bus) 1213 codec->auto_runtime_pm = 1; 1214 /* reset the power save setup */ 1215 if (chip->running) 1216 set_default_power_save(chip); 1217 } 1218 } 1219 1220 static void azx_vs_gpu_bound(struct pci_dev *pci, 1221 enum vga_switcheroo_client_id client_id) 1222 { 1223 struct snd_card *card = pci_get_drvdata(pci); 1224 struct azx *chip = card->private_data; 1225 struct hda_intel *hda = container_of(chip, struct hda_intel, chip); 1226 1227 if (client_id == VGA_SWITCHEROO_DIS) 1228 hda->need_eld_notify_link = 0; 1229 setup_vga_switcheroo_runtime_pm(chip); 1230 } 1231 1232 static void init_vga_switcheroo(struct azx *chip) 1233 { 1234 struct hda_intel *hda = container_of(chip, struct hda_intel, chip); 1235 struct pci_dev *p = get_bound_vga(chip->pci); 1236 if (p) { 1237 dev_info(chip->card->dev, 1238 "Handle vga_switcheroo audio client\n"); 1239 hda->use_vga_switcheroo = 1; 1240 hda->need_eld_notify_link = 1; /* cleared in gpu_bound op */ 1241 chip->driver_caps |= AZX_DCAPS_PM_RUNTIME; 1242 pci_dev_put(p); 1243 } 1244 } 1245 1246 static const struct vga_switcheroo_client_ops azx_vs_ops = { 1247 .set_gpu_state = azx_vs_set_state, 1248 .can_switch = azx_vs_can_switch, 1249 .gpu_bound = azx_vs_gpu_bound, 1250 }; 1251 1252 static int register_vga_switcheroo(struct azx *chip) 1253 { 1254 struct hda_intel *hda = container_of(chip, struct hda_intel, chip); 1255 struct pci_dev *p; 1256 int err; 1257 1258 if (!hda->use_vga_switcheroo) 1259 return 0; 1260 1261 p = get_bound_vga(chip->pci); 1262 err = vga_switcheroo_register_audio_client(chip->pci, &azx_vs_ops, p); 1263 pci_dev_put(p); 1264 1265 if (err < 0) 1266 return err; 1267 hda->vga_switcheroo_registered = 1; 1268 1269 return 0; 1270 } 1271 #else 1272 #define init_vga_switcheroo(chip) /* NOP */ 1273 #define register_vga_switcheroo(chip) 0 1274 #define check_hdmi_disabled(pci) false 1275 #define setup_vga_switcheroo_runtime_pm(chip) /* NOP */ 1276 #endif /* SUPPORT_VGA_SWITCHER */ 1277 1278 /* 1279 * destructor 1280 */ 1281 static int azx_free(struct azx *chip) 1282 { 1283 struct pci_dev *pci = chip->pci; 1284 struct hda_intel *hda = container_of(chip, struct hda_intel, chip); 1285 struct hdac_bus *bus = azx_bus(chip); 1286 1287 if (azx_has_pm_runtime(chip) && chip->running) 1288 pm_runtime_get_noresume(&pci->dev); 1289 chip->running = 0; 1290 1291 azx_del_card_list(chip); 1292 1293 hda->init_failed = 1; /* to be sure */ 1294 complete_all(&hda->probe_wait); 1295 1296 if (use_vga_switcheroo(hda)) { 1297 if (chip->disabled && hda->probe_continued) 1298 snd_hda_unlock_devices(&chip->bus); 1299 if (hda->vga_switcheroo_registered) 1300 vga_switcheroo_unregister_client(chip->pci); 1301 } 1302 1303 if (bus->chip_init) { 1304 azx_stop_chip(chip); 1305 azx_clear_irq_pending(chip); 1306 azx_stop_all_streams(chip); 1307 } 1308 1309 if (bus->irq >= 0) 1310 free_irq(bus->irq, (void*)chip); 1311 if (chip->msi) 1312 pci_disable_msi(chip->pci); 1313 iounmap(bus->remap_addr); 1314 1315 azx_free_stream_pages(chip); 1316 azx_free_streams(chip); 1317 snd_hdac_bus_exit(bus); 1318 1319 if (chip->region_requested) 1320 pci_release_regions(chip->pci); 1321 1322 pci_disable_device(chip->pci); 1323 #ifdef CONFIG_SND_HDA_PATCH_LOADER 1324 release_firmware(chip->fw); 1325 #endif 1326 display_power(chip, false); 1327 1328 if (chip->driver_caps & AZX_DCAPS_I915_COMPONENT) 1329 snd_hdac_i915_exit(bus); 1330 kfree(hda); 1331 1332 return 0; 1333 } 1334 1335 static int azx_dev_disconnect(struct snd_device *device) 1336 { 1337 struct azx *chip = device->device_data; 1338 1339 chip->bus.shutdown = 1; 1340 return 0; 1341 } 1342 1343 static int azx_dev_free(struct snd_device *device) 1344 { 1345 return azx_free(device->device_data); 1346 } 1347 1348 #ifdef SUPPORT_VGA_SWITCHEROO 1349 /* 1350 * Check of disabled HDMI controller by vga_switcheroo 1351 */ 1352 static struct pci_dev *get_bound_vga(struct pci_dev *pci) 1353 { 1354 struct pci_dev *p; 1355 1356 /* check only discrete GPU */ 1357 switch (pci->vendor) { 1358 case PCI_VENDOR_ID_ATI: 1359 case PCI_VENDOR_ID_AMD: 1360 case PCI_VENDOR_ID_NVIDIA: 1361 if (pci->devfn == 1) { 1362 p = pci_get_domain_bus_and_slot(pci_domain_nr(pci->bus), 1363 pci->bus->number, 0); 1364 if (p) { 1365 if ((p->class >> 16) == PCI_BASE_CLASS_DISPLAY) 1366 return p; 1367 pci_dev_put(p); 1368 } 1369 } 1370 break; 1371 } 1372 return NULL; 1373 } 1374 1375 static bool check_hdmi_disabled(struct pci_dev *pci) 1376 { 1377 bool vga_inactive = false; 1378 struct pci_dev *p = get_bound_vga(pci); 1379 1380 if (p) { 1381 if (vga_switcheroo_get_client_state(p) == VGA_SWITCHEROO_OFF) 1382 vga_inactive = true; 1383 pci_dev_put(p); 1384 } 1385 return vga_inactive; 1386 } 1387 #endif /* SUPPORT_VGA_SWITCHEROO */ 1388 1389 /* 1390 * white/black-listing for position_fix 1391 */ 1392 static struct snd_pci_quirk position_fix_list[] = { 1393 SND_PCI_QUIRK(0x1028, 0x01cc, "Dell D820", POS_FIX_LPIB), 1394 SND_PCI_QUIRK(0x1028, 0x01de, "Dell Precision 390", POS_FIX_LPIB), 1395 SND_PCI_QUIRK(0x103c, 0x306d, "HP dv3", POS_FIX_LPIB), 1396 SND_PCI_QUIRK(0x1043, 0x813d, "ASUS P5AD2", POS_FIX_LPIB), 1397 SND_PCI_QUIRK(0x1043, 0x81b3, "ASUS", POS_FIX_LPIB), 1398 SND_PCI_QUIRK(0x1043, 0x81e7, "ASUS M2V", POS_FIX_LPIB), 1399 SND_PCI_QUIRK(0x104d, 0x9069, "Sony VPCS11V9E", POS_FIX_LPIB), 1400 SND_PCI_QUIRK(0x10de, 0xcb89, "Macbook Pro 7,1", POS_FIX_LPIB), 1401 SND_PCI_QUIRK(0x1297, 0x3166, "Shuttle", POS_FIX_LPIB), 1402 SND_PCI_QUIRK(0x1458, 0xa022, "ga-ma770-ud3", POS_FIX_LPIB), 1403 SND_PCI_QUIRK(0x1462, 0x1002, "MSI Wind U115", POS_FIX_LPIB), 1404 SND_PCI_QUIRK(0x1565, 0x8218, "Biostar Microtech", POS_FIX_LPIB), 1405 SND_PCI_QUIRK(0x1849, 0x0888, "775Dual-VSTA", POS_FIX_LPIB), 1406 SND_PCI_QUIRK(0x8086, 0x2503, "DG965OT AAD63733-203", POS_FIX_LPIB), 1407 {} 1408 }; 1409 1410 static int check_position_fix(struct azx *chip, int fix) 1411 { 1412 const struct snd_pci_quirk *q; 1413 1414 switch (fix) { 1415 case POS_FIX_AUTO: 1416 case POS_FIX_LPIB: 1417 case POS_FIX_POSBUF: 1418 case POS_FIX_VIACOMBO: 1419 case POS_FIX_COMBO: 1420 case POS_FIX_SKL: 1421 return fix; 1422 } 1423 1424 q = snd_pci_quirk_lookup(chip->pci, position_fix_list); 1425 if (q) { 1426 dev_info(chip->card->dev, 1427 "position_fix set to %d for device %04x:%04x\n", 1428 q->value, q->subvendor, q->subdevice); 1429 return q->value; 1430 } 1431 1432 /* Check VIA/ATI HD Audio Controller exist */ 1433 if (chip->driver_type == AZX_DRIVER_VIA) { 1434 dev_dbg(chip->card->dev, "Using VIACOMBO position fix\n"); 1435 return POS_FIX_VIACOMBO; 1436 } 1437 if (chip->driver_caps & AZX_DCAPS_POSFIX_LPIB) { 1438 dev_dbg(chip->card->dev, "Using LPIB position fix\n"); 1439 return POS_FIX_LPIB; 1440 } 1441 if (chip->driver_type == AZX_DRIVER_SKL) { 1442 dev_dbg(chip->card->dev, "Using SKL position fix\n"); 1443 return POS_FIX_SKL; 1444 } 1445 return POS_FIX_AUTO; 1446 } 1447 1448 static void assign_position_fix(struct azx *chip, int fix) 1449 { 1450 static azx_get_pos_callback_t callbacks[] = { 1451 [POS_FIX_AUTO] = NULL, 1452 [POS_FIX_LPIB] = azx_get_pos_lpib, 1453 [POS_FIX_POSBUF] = azx_get_pos_posbuf, 1454 [POS_FIX_VIACOMBO] = azx_via_get_position, 1455 [POS_FIX_COMBO] = azx_get_pos_lpib, 1456 [POS_FIX_SKL] = azx_get_pos_skl, 1457 }; 1458 1459 chip->get_position[0] = chip->get_position[1] = callbacks[fix]; 1460 1461 /* combo mode uses LPIB only for playback */ 1462 if (fix == POS_FIX_COMBO) 1463 chip->get_position[1] = NULL; 1464 1465 if ((fix == POS_FIX_POSBUF || fix == POS_FIX_SKL) && 1466 (chip->driver_caps & AZX_DCAPS_COUNT_LPIB_DELAY)) { 1467 chip->get_delay[0] = chip->get_delay[1] = 1468 azx_get_delay_from_lpib; 1469 } 1470 1471 } 1472 1473 /* 1474 * black-lists for probe_mask 1475 */ 1476 static struct snd_pci_quirk probe_mask_list[] = { 1477 /* Thinkpad often breaks the controller communication when accessing 1478 * to the non-working (or non-existing) modem codec slot. 1479 */ 1480 SND_PCI_QUIRK(0x1014, 0x05b7, "Thinkpad Z60", 0x01), 1481 SND_PCI_QUIRK(0x17aa, 0x2010, "Thinkpad X/T/R60", 0x01), 1482 SND_PCI_QUIRK(0x17aa, 0x20ac, "Thinkpad X/T/R61", 0x01), 1483 /* broken BIOS */ 1484 SND_PCI_QUIRK(0x1028, 0x20ac, "Dell Studio Desktop", 0x01), 1485 /* including bogus ALC268 in slot#2 that conflicts with ALC888 */ 1486 SND_PCI_QUIRK(0x17c0, 0x4085, "Medion MD96630", 0x01), 1487 /* forced codec slots */ 1488 SND_PCI_QUIRK(0x1043, 0x1262, "ASUS W5Fm", 0x103), 1489 SND_PCI_QUIRK(0x1046, 0x1262, "ASUS W5F", 0x103), 1490 /* WinFast VP200 H (Teradici) user reported broken communication */ 1491 SND_PCI_QUIRK(0x3a21, 0x040d, "WinFast VP200 H", 0x101), 1492 {} 1493 }; 1494 1495 #define AZX_FORCE_CODEC_MASK 0x100 1496 1497 static void check_probe_mask(struct azx *chip, int dev) 1498 { 1499 const struct snd_pci_quirk *q; 1500 1501 chip->codec_probe_mask = probe_mask[dev]; 1502 if (chip->codec_probe_mask == -1) { 1503 q = snd_pci_quirk_lookup(chip->pci, probe_mask_list); 1504 if (q) { 1505 dev_info(chip->card->dev, 1506 "probe_mask set to 0x%x for device %04x:%04x\n", 1507 q->value, q->subvendor, q->subdevice); 1508 chip->codec_probe_mask = q->value; 1509 } 1510 } 1511 1512 /* check forced option */ 1513 if (chip->codec_probe_mask != -1 && 1514 (chip->codec_probe_mask & AZX_FORCE_CODEC_MASK)) { 1515 azx_bus(chip)->codec_mask = chip->codec_probe_mask & 0xff; 1516 dev_info(chip->card->dev, "codec_mask forced to 0x%x\n", 1517 (int)azx_bus(chip)->codec_mask); 1518 } 1519 } 1520 1521 /* 1522 * white/black-list for enable_msi 1523 */ 1524 static struct snd_pci_quirk msi_black_list[] = { 1525 SND_PCI_QUIRK(0x103c, 0x2191, "HP", 0), /* AMD Hudson */ 1526 SND_PCI_QUIRK(0x103c, 0x2192, "HP", 0), /* AMD Hudson */ 1527 SND_PCI_QUIRK(0x103c, 0x21f7, "HP", 0), /* AMD Hudson */ 1528 SND_PCI_QUIRK(0x103c, 0x21fa, "HP", 0), /* AMD Hudson */ 1529 SND_PCI_QUIRK(0x1043, 0x81f2, "ASUS", 0), /* Athlon64 X2 + nvidia */ 1530 SND_PCI_QUIRK(0x1043, 0x81f6, "ASUS", 0), /* nvidia */ 1531 SND_PCI_QUIRK(0x1043, 0x822d, "ASUS", 0), /* Athlon64 X2 + nvidia MCP55 */ 1532 SND_PCI_QUIRK(0x1179, 0xfb44, "Toshiba Satellite C870", 0), /* AMD Hudson */ 1533 SND_PCI_QUIRK(0x1849, 0x0888, "ASRock", 0), /* Athlon64 X2 + nvidia */ 1534 SND_PCI_QUIRK(0xa0a0, 0x0575, "Aopen MZ915-M", 0), /* ICH6 */ 1535 {} 1536 }; 1537 1538 static void check_msi(struct azx *chip) 1539 { 1540 const struct snd_pci_quirk *q; 1541 1542 if (enable_msi >= 0) { 1543 chip->msi = !!enable_msi; 1544 return; 1545 } 1546 chip->msi = 1; /* enable MSI as default */ 1547 q = snd_pci_quirk_lookup(chip->pci, msi_black_list); 1548 if (q) { 1549 dev_info(chip->card->dev, 1550 "msi for device %04x:%04x set to %d\n", 1551 q->subvendor, q->subdevice, q->value); 1552 chip->msi = q->value; 1553 return; 1554 } 1555 1556 /* NVidia chipsets seem to cause troubles with MSI */ 1557 if (chip->driver_caps & AZX_DCAPS_NO_MSI) { 1558 dev_info(chip->card->dev, "Disabling MSI\n"); 1559 chip->msi = 0; 1560 } 1561 } 1562 1563 /* check the snoop mode availability */ 1564 static void azx_check_snoop_available(struct azx *chip) 1565 { 1566 int snoop = hda_snoop; 1567 1568 if (snoop >= 0) { 1569 dev_info(chip->card->dev, "Force to %s mode by module option\n", 1570 snoop ? "snoop" : "non-snoop"); 1571 chip->snoop = snoop; 1572 chip->uc_buffer = !snoop; 1573 return; 1574 } 1575 1576 snoop = true; 1577 if (azx_get_snoop_type(chip) == AZX_SNOOP_TYPE_NONE && 1578 chip->driver_type == AZX_DRIVER_VIA) { 1579 /* force to non-snoop mode for a new VIA controller 1580 * when BIOS is set 1581 */ 1582 u8 val; 1583 pci_read_config_byte(chip->pci, 0x42, &val); 1584 if (!(val & 0x80) && (chip->pci->revision == 0x30 || 1585 chip->pci->revision == 0x20)) 1586 snoop = false; 1587 } 1588 1589 if (chip->driver_caps & AZX_DCAPS_SNOOP_OFF) 1590 snoop = false; 1591 1592 chip->snoop = snoop; 1593 if (!snoop) { 1594 dev_info(chip->card->dev, "Force to non-snoop mode\n"); 1595 /* C-Media requires non-cached pages only for CORB/RIRB */ 1596 if (chip->driver_type != AZX_DRIVER_CMEDIA) 1597 chip->uc_buffer = true; 1598 } 1599 } 1600 1601 static void azx_probe_work(struct work_struct *work) 1602 { 1603 struct hda_intel *hda = container_of(work, struct hda_intel, probe_work); 1604 azx_probe_continue(&hda->chip); 1605 } 1606 1607 static int default_bdl_pos_adj(struct azx *chip) 1608 { 1609 /* some exceptions: Atoms seem problematic with value 1 */ 1610 if (chip->pci->vendor == PCI_VENDOR_ID_INTEL) { 1611 switch (chip->pci->device) { 1612 case 0x0f04: /* Baytrail */ 1613 case 0x2284: /* Braswell */ 1614 return 32; 1615 } 1616 } 1617 1618 switch (chip->driver_type) { 1619 case AZX_DRIVER_ICH: 1620 case AZX_DRIVER_PCH: 1621 return 1; 1622 default: 1623 return 32; 1624 } 1625 } 1626 1627 /* 1628 * constructor 1629 */ 1630 static const struct hdac_io_ops pci_hda_io_ops; 1631 static const struct hda_controller_ops pci_hda_ops; 1632 1633 static int azx_create(struct snd_card *card, struct pci_dev *pci, 1634 int dev, unsigned int driver_caps, 1635 struct azx **rchip) 1636 { 1637 static struct snd_device_ops ops = { 1638 .dev_disconnect = azx_dev_disconnect, 1639 .dev_free = azx_dev_free, 1640 }; 1641 struct hda_intel *hda; 1642 struct azx *chip; 1643 int err; 1644 1645 *rchip = NULL; 1646 1647 err = pci_enable_device(pci); 1648 if (err < 0) 1649 return err; 1650 1651 hda = kzalloc(sizeof(*hda), GFP_KERNEL); 1652 if (!hda) { 1653 pci_disable_device(pci); 1654 return -ENOMEM; 1655 } 1656 1657 chip = &hda->chip; 1658 mutex_init(&chip->open_mutex); 1659 chip->card = card; 1660 chip->pci = pci; 1661 chip->ops = &pci_hda_ops; 1662 chip->driver_caps = driver_caps; 1663 chip->driver_type = driver_caps & 0xff; 1664 check_msi(chip); 1665 chip->dev_index = dev; 1666 if (jackpoll_ms[dev] >= 50 && jackpoll_ms[dev] <= 60000) 1667 chip->jackpoll_interval = msecs_to_jiffies(jackpoll_ms[dev]); 1668 INIT_LIST_HEAD(&chip->pcm_list); 1669 INIT_WORK(&hda->irq_pending_work, azx_irq_pending_work); 1670 INIT_LIST_HEAD(&hda->list); 1671 init_vga_switcheroo(chip); 1672 init_completion(&hda->probe_wait); 1673 1674 assign_position_fix(chip, check_position_fix(chip, position_fix[dev])); 1675 1676 check_probe_mask(chip, dev); 1677 1678 if (single_cmd < 0) /* allow fallback to single_cmd at errors */ 1679 chip->fallback_to_single_cmd = 1; 1680 else /* explicitly set to single_cmd or not */ 1681 chip->single_cmd = single_cmd; 1682 1683 azx_check_snoop_available(chip); 1684 1685 if (bdl_pos_adj[dev] < 0) 1686 chip->bdl_pos_adj = default_bdl_pos_adj(chip); 1687 else 1688 chip->bdl_pos_adj = bdl_pos_adj[dev]; 1689 1690 err = azx_bus_init(chip, model[dev], &pci_hda_io_ops); 1691 if (err < 0) { 1692 kfree(hda); 1693 pci_disable_device(pci); 1694 return err; 1695 } 1696 1697 /* Workaround for a communication error on CFL (bko#199007) and CNL */ 1698 if (IS_CFL(pci) || IS_CNL(pci)) 1699 azx_bus(chip)->polling_mode = 1; 1700 1701 if (chip->driver_type == AZX_DRIVER_NVIDIA) { 1702 dev_dbg(chip->card->dev, "Enable delay in RIRB handling\n"); 1703 chip->bus.needs_damn_long_delay = 1; 1704 } 1705 1706 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); 1707 if (err < 0) { 1708 dev_err(card->dev, "Error creating device [card]!\n"); 1709 azx_free(chip); 1710 return err; 1711 } 1712 1713 /* continue probing in work context as may trigger request module */ 1714 INIT_WORK(&hda->probe_work, azx_probe_work); 1715 1716 *rchip = chip; 1717 1718 return 0; 1719 } 1720 1721 static int azx_first_init(struct azx *chip) 1722 { 1723 int dev = chip->dev_index; 1724 struct pci_dev *pci = chip->pci; 1725 struct snd_card *card = chip->card; 1726 struct hdac_bus *bus = azx_bus(chip); 1727 int err; 1728 unsigned short gcap; 1729 unsigned int dma_bits = 64; 1730 1731 #if BITS_PER_LONG != 64 1732 /* Fix up base address on ULI M5461 */ 1733 if (chip->driver_type == AZX_DRIVER_ULI) { 1734 u16 tmp3; 1735 pci_read_config_word(pci, 0x40, &tmp3); 1736 pci_write_config_word(pci, 0x40, tmp3 | 0x10); 1737 pci_write_config_dword(pci, PCI_BASE_ADDRESS_1, 0); 1738 } 1739 #endif 1740 1741 err = pci_request_regions(pci, "ICH HD audio"); 1742 if (err < 0) 1743 return err; 1744 chip->region_requested = 1; 1745 1746 bus->addr = pci_resource_start(pci, 0); 1747 bus->remap_addr = pci_ioremap_bar(pci, 0); 1748 if (bus->remap_addr == NULL) { 1749 dev_err(card->dev, "ioremap error\n"); 1750 return -ENXIO; 1751 } 1752 1753 if (chip->driver_type == AZX_DRIVER_SKL) 1754 snd_hdac_bus_parse_capabilities(bus); 1755 1756 /* 1757 * Some Intel CPUs has always running timer (ART) feature and 1758 * controller may have Global time sync reporting capability, so 1759 * check both of these before declaring synchronized time reporting 1760 * capability SNDRV_PCM_INFO_HAS_LINK_SYNCHRONIZED_ATIME 1761 */ 1762 chip->gts_present = false; 1763 1764 #ifdef CONFIG_X86 1765 if (bus->ppcap && boot_cpu_has(X86_FEATURE_ART)) 1766 chip->gts_present = true; 1767 #endif 1768 1769 if (chip->msi) { 1770 if (chip->driver_caps & AZX_DCAPS_NO_MSI64) { 1771 dev_dbg(card->dev, "Disabling 64bit MSI\n"); 1772 pci->no_64bit_msi = true; 1773 } 1774 if (pci_enable_msi(pci) < 0) 1775 chip->msi = 0; 1776 } 1777 1778 pci_set_master(pci); 1779 synchronize_irq(bus->irq); 1780 1781 gcap = azx_readw(chip, GCAP); 1782 dev_dbg(card->dev, "chipset global capabilities = 0x%x\n", gcap); 1783 1784 /* AMD devices support 40 or 48bit DMA, take the safe one */ 1785 if (chip->pci->vendor == PCI_VENDOR_ID_AMD) 1786 dma_bits = 40; 1787 1788 /* disable SB600 64bit support for safety */ 1789 if (chip->pci->vendor == PCI_VENDOR_ID_ATI) { 1790 struct pci_dev *p_smbus; 1791 dma_bits = 40; 1792 p_smbus = pci_get_device(PCI_VENDOR_ID_ATI, 1793 PCI_DEVICE_ID_ATI_SBX00_SMBUS, 1794 NULL); 1795 if (p_smbus) { 1796 if (p_smbus->revision < 0x30) 1797 gcap &= ~AZX_GCAP_64OK; 1798 pci_dev_put(p_smbus); 1799 } 1800 } 1801 1802 /* NVidia hardware normally only supports up to 40 bits of DMA */ 1803 if (chip->pci->vendor == PCI_VENDOR_ID_NVIDIA) 1804 dma_bits = 40; 1805 1806 /* disable 64bit DMA address on some devices */ 1807 if (chip->driver_caps & AZX_DCAPS_NO_64BIT) { 1808 dev_dbg(card->dev, "Disabling 64bit DMA\n"); 1809 gcap &= ~AZX_GCAP_64OK; 1810 } 1811 1812 /* disable buffer size rounding to 128-byte multiples if supported */ 1813 if (align_buffer_size >= 0) 1814 chip->align_buffer_size = !!align_buffer_size; 1815 else { 1816 if (chip->driver_caps & AZX_DCAPS_NO_ALIGN_BUFSIZE) 1817 chip->align_buffer_size = 0; 1818 else 1819 chip->align_buffer_size = 1; 1820 } 1821 1822 /* allow 64bit DMA address if supported by H/W */ 1823 if (!(gcap & AZX_GCAP_64OK)) 1824 dma_bits = 32; 1825 if (!dma_set_mask(&pci->dev, DMA_BIT_MASK(dma_bits))) { 1826 dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(dma_bits)); 1827 } else { 1828 dma_set_mask(&pci->dev, DMA_BIT_MASK(32)); 1829 dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(32)); 1830 } 1831 1832 /* read number of streams from GCAP register instead of using 1833 * hardcoded value 1834 */ 1835 chip->capture_streams = (gcap >> 8) & 0x0f; 1836 chip->playback_streams = (gcap >> 12) & 0x0f; 1837 if (!chip->playback_streams && !chip->capture_streams) { 1838 /* gcap didn't give any info, switching to old method */ 1839 1840 switch (chip->driver_type) { 1841 case AZX_DRIVER_ULI: 1842 chip->playback_streams = ULI_NUM_PLAYBACK; 1843 chip->capture_streams = ULI_NUM_CAPTURE; 1844 break; 1845 case AZX_DRIVER_ATIHDMI: 1846 case AZX_DRIVER_ATIHDMI_NS: 1847 chip->playback_streams = ATIHDMI_NUM_PLAYBACK; 1848 chip->capture_streams = ATIHDMI_NUM_CAPTURE; 1849 break; 1850 case AZX_DRIVER_GENERIC: 1851 default: 1852 chip->playback_streams = ICH6_NUM_PLAYBACK; 1853 chip->capture_streams = ICH6_NUM_CAPTURE; 1854 break; 1855 } 1856 } 1857 chip->capture_index_offset = 0; 1858 chip->playback_index_offset = chip->capture_streams; 1859 chip->num_streams = chip->playback_streams + chip->capture_streams; 1860 1861 /* sanity check for the SDxCTL.STRM field overflow */ 1862 if (chip->num_streams > 15 && 1863 (chip->driver_caps & AZX_DCAPS_SEPARATE_STREAM_TAG) == 0) { 1864 dev_warn(chip->card->dev, "number of I/O streams is %d, " 1865 "forcing separate stream tags", chip->num_streams); 1866 chip->driver_caps |= AZX_DCAPS_SEPARATE_STREAM_TAG; 1867 } 1868 1869 /* initialize streams */ 1870 err = azx_init_streams(chip); 1871 if (err < 0) 1872 return err; 1873 1874 err = azx_alloc_stream_pages(chip); 1875 if (err < 0) 1876 return err; 1877 1878 /* initialize chip */ 1879 azx_init_pci(chip); 1880 1881 snd_hdac_i915_set_bclk(bus); 1882 1883 hda_intel_init_chip(chip, (probe_only[dev] & 2) == 0); 1884 1885 /* codec detection */ 1886 if (!azx_bus(chip)->codec_mask) { 1887 dev_err(card->dev, "no codecs found!\n"); 1888 return -ENODEV; 1889 } 1890 1891 if (azx_acquire_irq(chip, 0) < 0) 1892 return -EBUSY; 1893 1894 strcpy(card->driver, "HDA-Intel"); 1895 strlcpy(card->shortname, driver_short_names[chip->driver_type], 1896 sizeof(card->shortname)); 1897 snprintf(card->longname, sizeof(card->longname), 1898 "%s at 0x%lx irq %i", 1899 card->shortname, bus->addr, bus->irq); 1900 1901 return 0; 1902 } 1903 1904 #ifdef CONFIG_SND_HDA_PATCH_LOADER 1905 /* callback from request_firmware_nowait() */ 1906 static void azx_firmware_cb(const struct firmware *fw, void *context) 1907 { 1908 struct snd_card *card = context; 1909 struct azx *chip = card->private_data; 1910 struct pci_dev *pci = chip->pci; 1911 1912 if (!fw) { 1913 dev_err(card->dev, "Cannot load firmware, aborting\n"); 1914 goto error; 1915 } 1916 1917 chip->fw = fw; 1918 if (!chip->disabled) { 1919 /* continue probing */ 1920 if (azx_probe_continue(chip)) 1921 goto error; 1922 } 1923 return; /* OK */ 1924 1925 error: 1926 snd_card_free(card); 1927 pci_set_drvdata(pci, NULL); 1928 } 1929 #endif 1930 1931 /* 1932 * HDA controller ops. 1933 */ 1934 1935 /* PCI register access. */ 1936 static void pci_azx_writel(u32 value, u32 __iomem *addr) 1937 { 1938 writel(value, addr); 1939 } 1940 1941 static u32 pci_azx_readl(u32 __iomem *addr) 1942 { 1943 return readl(addr); 1944 } 1945 1946 static void pci_azx_writew(u16 value, u16 __iomem *addr) 1947 { 1948 writew(value, addr); 1949 } 1950 1951 static u16 pci_azx_readw(u16 __iomem *addr) 1952 { 1953 return readw(addr); 1954 } 1955 1956 static void pci_azx_writeb(u8 value, u8 __iomem *addr) 1957 { 1958 writeb(value, addr); 1959 } 1960 1961 static u8 pci_azx_readb(u8 __iomem *addr) 1962 { 1963 return readb(addr); 1964 } 1965 1966 static int disable_msi_reset_irq(struct azx *chip) 1967 { 1968 struct hdac_bus *bus = azx_bus(chip); 1969 int err; 1970 1971 free_irq(bus->irq, chip); 1972 bus->irq = -1; 1973 pci_disable_msi(chip->pci); 1974 chip->msi = 0; 1975 err = azx_acquire_irq(chip, 1); 1976 if (err < 0) 1977 return err; 1978 1979 return 0; 1980 } 1981 1982 /* DMA page allocation helpers. */ 1983 static int dma_alloc_pages(struct hdac_bus *bus, 1984 int type, 1985 size_t size, 1986 struct snd_dma_buffer *buf) 1987 { 1988 struct azx *chip = bus_to_azx(bus); 1989 1990 if (!azx_snoop(chip) && type == SNDRV_DMA_TYPE_DEV) 1991 type = SNDRV_DMA_TYPE_DEV_UC; 1992 return snd_dma_alloc_pages(type, bus->dev, size, buf); 1993 } 1994 1995 static void dma_free_pages(struct hdac_bus *bus, struct snd_dma_buffer *buf) 1996 { 1997 snd_dma_free_pages(buf); 1998 } 1999 2000 static void pcm_mmap_prepare(struct snd_pcm_substream *substream, 2001 struct vm_area_struct *area) 2002 { 2003 #ifdef CONFIG_X86 2004 struct azx_pcm *apcm = snd_pcm_substream_chip(substream); 2005 struct azx *chip = apcm->chip; 2006 if (chip->uc_buffer) 2007 area->vm_page_prot = pgprot_writecombine(area->vm_page_prot); 2008 #endif 2009 } 2010 2011 static const struct hdac_io_ops pci_hda_io_ops = { 2012 .reg_writel = pci_azx_writel, 2013 .reg_readl = pci_azx_readl, 2014 .reg_writew = pci_azx_writew, 2015 .reg_readw = pci_azx_readw, 2016 .reg_writeb = pci_azx_writeb, 2017 .reg_readb = pci_azx_readb, 2018 .dma_alloc_pages = dma_alloc_pages, 2019 .dma_free_pages = dma_free_pages, 2020 }; 2021 2022 static const struct hda_controller_ops pci_hda_ops = { 2023 .disable_msi_reset_irq = disable_msi_reset_irq, 2024 .pcm_mmap_prepare = pcm_mmap_prepare, 2025 .position_check = azx_position_check, 2026 }; 2027 2028 static int azx_probe(struct pci_dev *pci, 2029 const struct pci_device_id *pci_id) 2030 { 2031 static int dev; 2032 struct snd_card *card; 2033 struct hda_intel *hda; 2034 struct azx *chip; 2035 bool schedule_probe; 2036 int err; 2037 2038 if (dev >= SNDRV_CARDS) 2039 return -ENODEV; 2040 if (!enable[dev]) { 2041 dev++; 2042 return -ENOENT; 2043 } 2044 2045 err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE, 2046 0, &card); 2047 if (err < 0) { 2048 dev_err(&pci->dev, "Error creating card!\n"); 2049 return err; 2050 } 2051 2052 err = azx_create(card, pci, dev, pci_id->driver_data, &chip); 2053 if (err < 0) 2054 goto out_free; 2055 card->private_data = chip; 2056 hda = container_of(chip, struct hda_intel, chip); 2057 2058 pci_set_drvdata(pci, card); 2059 2060 err = register_vga_switcheroo(chip); 2061 if (err < 0) { 2062 dev_err(card->dev, "Error registering vga_switcheroo client\n"); 2063 goto out_free; 2064 } 2065 2066 if (check_hdmi_disabled(pci)) { 2067 dev_info(card->dev, "VGA controller is disabled\n"); 2068 dev_info(card->dev, "Delaying initialization\n"); 2069 chip->disabled = true; 2070 } 2071 2072 schedule_probe = !chip->disabled; 2073 2074 #ifdef CONFIG_SND_HDA_PATCH_LOADER 2075 if (patch[dev] && *patch[dev]) { 2076 dev_info(card->dev, "Applying patch firmware '%s'\n", 2077 patch[dev]); 2078 err = request_firmware_nowait(THIS_MODULE, true, patch[dev], 2079 &pci->dev, GFP_KERNEL, card, 2080 azx_firmware_cb); 2081 if (err < 0) 2082 goto out_free; 2083 schedule_probe = false; /* continued in azx_firmware_cb() */ 2084 } 2085 #endif /* CONFIG_SND_HDA_PATCH_LOADER */ 2086 2087 #ifndef CONFIG_SND_HDA_I915 2088 if (CONTROLLER_IN_GPU(pci)) 2089 dev_err(card->dev, "Haswell/Broadwell HDMI/DP must build in CONFIG_SND_HDA_I915\n"); 2090 #endif 2091 2092 if (schedule_probe) 2093 schedule_work(&hda->probe_work); 2094 2095 dev++; 2096 if (chip->disabled) 2097 complete_all(&hda->probe_wait); 2098 return 0; 2099 2100 out_free: 2101 snd_card_free(card); 2102 return err; 2103 } 2104 2105 #ifdef CONFIG_PM 2106 /* On some boards setting power_save to a non 0 value leads to clicking / 2107 * popping sounds when ever we enter/leave powersaving mode. Ideally we would 2108 * figure out how to avoid these sounds, but that is not always feasible. 2109 * So we keep a list of devices where we disable powersaving as its known 2110 * to causes problems on these devices. 2111 */ 2112 static struct snd_pci_quirk power_save_blacklist[] = { 2113 /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */ 2114 SND_PCI_QUIRK(0x1849, 0xc892, "Asrock B85M-ITX", 0), 2115 /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */ 2116 SND_PCI_QUIRK(0x1849, 0x0397, "Asrock N68C-S UCC", 0), 2117 /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */ 2118 SND_PCI_QUIRK(0x1849, 0x7662, "Asrock H81M-HDS", 0), 2119 /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */ 2120 SND_PCI_QUIRK(0x1043, 0x8733, "Asus Prime X370-Pro", 0), 2121 /* https://bugzilla.redhat.com/show_bug.cgi?id=1581607 */ 2122 SND_PCI_QUIRK(0x1558, 0x3501, "Clevo W35xSS_370SS", 0), 2123 /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */ 2124 SND_PCI_QUIRK(0x1028, 0x0497, "Dell Precision T3600", 0), 2125 /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */ 2126 /* Note the P55A-UD3 and Z87-D3HP share the subsys id for the HDA dev */ 2127 SND_PCI_QUIRK(0x1458, 0xa002, "Gigabyte P55A-UD3 / Z87-D3HP", 0), 2128 /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */ 2129 SND_PCI_QUIRK(0x8086, 0x2040, "Intel DZ77BH-55K", 0), 2130 /* https://bugzilla.kernel.org/show_bug.cgi?id=199607 */ 2131 SND_PCI_QUIRK(0x8086, 0x2057, "Intel NUC5i7RYB", 0), 2132 /* https://bugs.launchpad.net/bugs/1821663 */ 2133 SND_PCI_QUIRK(0x8086, 0x2064, "Intel SDP 8086:2064", 0), 2134 /* https://bugzilla.redhat.com/show_bug.cgi?id=1520902 */ 2135 SND_PCI_QUIRK(0x8086, 0x2068, "Intel NUC7i3BNB", 0), 2136 /* https://bugzilla.kernel.org/show_bug.cgi?id=198611 */ 2137 SND_PCI_QUIRK(0x17aa, 0x2227, "Lenovo X1 Carbon 3rd Gen", 0), 2138 /* https://bugzilla.redhat.com/show_bug.cgi?id=1689623 */ 2139 SND_PCI_QUIRK(0x17aa, 0x367b, "Lenovo IdeaCentre B550", 0), 2140 /* https://bugzilla.redhat.com/show_bug.cgi?id=1572975 */ 2141 SND_PCI_QUIRK(0x17aa, 0x36a7, "Lenovo C50 All in one", 0), 2142 /* https://bugs.launchpad.net/bugs/1821663 */ 2143 SND_PCI_QUIRK(0x1631, 0xe017, "Packard Bell NEC IMEDIA 5204", 0), 2144 {} 2145 }; 2146 #endif /* CONFIG_PM */ 2147 2148 static void set_default_power_save(struct azx *chip) 2149 { 2150 int val = power_save; 2151 2152 #ifdef CONFIG_PM 2153 if (pm_blacklist) { 2154 const struct snd_pci_quirk *q; 2155 2156 q = snd_pci_quirk_lookup(chip->pci, power_save_blacklist); 2157 if (q && val) { 2158 dev_info(chip->card->dev, "device %04x:%04x is on the power_save blacklist, forcing power_save to 0\n", 2159 q->subvendor, q->subdevice); 2160 val = 0; 2161 } 2162 } 2163 #endif /* CONFIG_PM */ 2164 snd_hda_set_power_save(&chip->bus, val * 1000); 2165 } 2166 2167 /* number of codec slots for each chipset: 0 = default slots (i.e. 4) */ 2168 static unsigned int azx_max_codecs[AZX_NUM_DRIVERS] = { 2169 [AZX_DRIVER_NVIDIA] = 8, 2170 [AZX_DRIVER_TERA] = 1, 2171 }; 2172 2173 static int azx_probe_continue(struct azx *chip) 2174 { 2175 struct hda_intel *hda = container_of(chip, struct hda_intel, chip); 2176 struct hdac_bus *bus = azx_bus(chip); 2177 struct pci_dev *pci = chip->pci; 2178 int dev = chip->dev_index; 2179 int err; 2180 2181 to_hda_bus(bus)->bus_probing = 1; 2182 hda->probe_continued = 1; 2183 2184 /* bind with i915 if needed */ 2185 if (chip->driver_caps & AZX_DCAPS_I915_COMPONENT) { 2186 err = snd_hdac_i915_init(bus); 2187 if (err < 0) { 2188 /* if the controller is bound only with HDMI/DP 2189 * (for HSW and BDW), we need to abort the probe; 2190 * for other chips, still continue probing as other 2191 * codecs can be on the same link. 2192 */ 2193 if (CONTROLLER_IN_GPU(pci)) { 2194 dev_err(chip->card->dev, 2195 "HSW/BDW HD-audio HDMI/DP requires binding with gfx driver\n"); 2196 goto out_free; 2197 } else { 2198 /* don't bother any longer */ 2199 chip->driver_caps &= ~AZX_DCAPS_I915_COMPONENT; 2200 } 2201 } 2202 2203 /* HSW/BDW controllers need this power */ 2204 if (CONTROLLER_IN_GPU(pci)) 2205 hda->need_i915_power = 1; 2206 } 2207 2208 /* Request display power well for the HDA controller or codec. For 2209 * Haswell/Broadwell, both the display HDA controller and codec need 2210 * this power. For other platforms, like Baytrail/Braswell, only the 2211 * display codec needs the power and it can be released after probe. 2212 */ 2213 display_power(chip, true); 2214 2215 err = azx_first_init(chip); 2216 if (err < 0) 2217 goto out_free; 2218 2219 #ifdef CONFIG_SND_HDA_INPUT_BEEP 2220 chip->beep_mode = beep_mode[dev]; 2221 #endif 2222 2223 /* create codec instances */ 2224 err = azx_probe_codecs(chip, azx_max_codecs[chip->driver_type]); 2225 if (err < 0) 2226 goto out_free; 2227 2228 #ifdef CONFIG_SND_HDA_PATCH_LOADER 2229 if (chip->fw) { 2230 err = snd_hda_load_patch(&chip->bus, chip->fw->size, 2231 chip->fw->data); 2232 if (err < 0) 2233 goto out_free; 2234 #ifndef CONFIG_PM 2235 release_firmware(chip->fw); /* no longer needed */ 2236 chip->fw = NULL; 2237 #endif 2238 } 2239 #endif 2240 if ((probe_only[dev] & 1) == 0) { 2241 err = azx_codec_configure(chip); 2242 if (err < 0) 2243 goto out_free; 2244 } 2245 2246 err = snd_card_register(chip->card); 2247 if (err < 0) 2248 goto out_free; 2249 2250 setup_vga_switcheroo_runtime_pm(chip); 2251 2252 chip->running = 1; 2253 azx_add_card_list(chip); 2254 2255 set_default_power_save(chip); 2256 2257 if (azx_has_pm_runtime(chip)) 2258 pm_runtime_put_autosuspend(&pci->dev); 2259 2260 out_free: 2261 if (err < 0 || !hda->need_i915_power) 2262 display_power(chip, false); 2263 if (err < 0) 2264 hda->init_failed = 1; 2265 complete_all(&hda->probe_wait); 2266 to_hda_bus(bus)->bus_probing = 0; 2267 return err; 2268 } 2269 2270 static void azx_remove(struct pci_dev *pci) 2271 { 2272 struct snd_card *card = pci_get_drvdata(pci); 2273 struct azx *chip; 2274 struct hda_intel *hda; 2275 2276 if (card) { 2277 /* cancel the pending probing work */ 2278 chip = card->private_data; 2279 hda = container_of(chip, struct hda_intel, chip); 2280 /* FIXME: below is an ugly workaround. 2281 * Both device_release_driver() and driver_probe_device() 2282 * take *both* the device's and its parent's lock before 2283 * calling the remove() and probe() callbacks. The codec 2284 * probe takes the locks of both the codec itself and its 2285 * parent, i.e. the PCI controller dev. Meanwhile, when 2286 * the PCI controller is unbound, it takes its lock, too 2287 * ==> ouch, a deadlock! 2288 * As a workaround, we unlock temporarily here the controller 2289 * device during cancel_work_sync() call. 2290 */ 2291 device_unlock(&pci->dev); 2292 cancel_work_sync(&hda->probe_work); 2293 device_lock(&pci->dev); 2294 2295 snd_card_free(card); 2296 } 2297 } 2298 2299 static void azx_shutdown(struct pci_dev *pci) 2300 { 2301 struct snd_card *card = pci_get_drvdata(pci); 2302 struct azx *chip; 2303 2304 if (!card) 2305 return; 2306 chip = card->private_data; 2307 if (chip && chip->running) 2308 azx_stop_chip(chip); 2309 } 2310 2311 /* PCI IDs */ 2312 static const struct pci_device_id azx_ids[] = { 2313 /* CPT */ 2314 { PCI_DEVICE(0x8086, 0x1c20), 2315 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM }, 2316 /* PBG */ 2317 { PCI_DEVICE(0x8086, 0x1d20), 2318 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM }, 2319 /* Panther Point */ 2320 { PCI_DEVICE(0x8086, 0x1e20), 2321 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM }, 2322 /* Lynx Point */ 2323 { PCI_DEVICE(0x8086, 0x8c20), 2324 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH }, 2325 /* 9 Series */ 2326 { PCI_DEVICE(0x8086, 0x8ca0), 2327 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH }, 2328 /* Wellsburg */ 2329 { PCI_DEVICE(0x8086, 0x8d20), 2330 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH }, 2331 { PCI_DEVICE(0x8086, 0x8d21), 2332 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH }, 2333 /* Lewisburg */ 2334 { PCI_DEVICE(0x8086, 0xa1f0), 2335 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE }, 2336 { PCI_DEVICE(0x8086, 0xa270), 2337 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE }, 2338 /* Lynx Point-LP */ 2339 { PCI_DEVICE(0x8086, 0x9c20), 2340 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH }, 2341 /* Lynx Point-LP */ 2342 { PCI_DEVICE(0x8086, 0x9c21), 2343 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH }, 2344 /* Wildcat Point-LP */ 2345 { PCI_DEVICE(0x8086, 0x9ca0), 2346 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH }, 2347 /* Sunrise Point */ 2348 { PCI_DEVICE(0x8086, 0xa170), 2349 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE }, 2350 /* Sunrise Point-LP */ 2351 { PCI_DEVICE(0x8086, 0x9d70), 2352 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE }, 2353 /* Kabylake */ 2354 { PCI_DEVICE(0x8086, 0xa171), 2355 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE }, 2356 /* Kabylake-LP */ 2357 { PCI_DEVICE(0x8086, 0x9d71), 2358 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE }, 2359 /* Kabylake-H */ 2360 { PCI_DEVICE(0x8086, 0xa2f0), 2361 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE }, 2362 /* Coffelake */ 2363 { PCI_DEVICE(0x8086, 0xa348), 2364 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE}, 2365 /* Cannonlake */ 2366 { PCI_DEVICE(0x8086, 0x9dc8), 2367 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE}, 2368 /* CometLake-LP */ 2369 { PCI_DEVICE(0x8086, 0x02C8), 2370 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE}, 2371 /* CometLake-H */ 2372 { PCI_DEVICE(0x8086, 0x06C8), 2373 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE}, 2374 /* Icelake */ 2375 { PCI_DEVICE(0x8086, 0x34c8), 2376 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE}, 2377 /* Elkhart Lake */ 2378 { PCI_DEVICE(0x8086, 0x4b55), 2379 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE}, 2380 /* Broxton-P(Apollolake) */ 2381 { PCI_DEVICE(0x8086, 0x5a98), 2382 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_BROXTON }, 2383 /* Broxton-T */ 2384 { PCI_DEVICE(0x8086, 0x1a98), 2385 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_BROXTON }, 2386 /* Gemini-Lake */ 2387 { PCI_DEVICE(0x8086, 0x3198), 2388 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_BROXTON }, 2389 /* Haswell */ 2390 { PCI_DEVICE(0x8086, 0x0a0c), 2391 .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL }, 2392 { PCI_DEVICE(0x8086, 0x0c0c), 2393 .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL }, 2394 { PCI_DEVICE(0x8086, 0x0d0c), 2395 .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL }, 2396 /* Broadwell */ 2397 { PCI_DEVICE(0x8086, 0x160c), 2398 .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_BROADWELL }, 2399 /* 5 Series/3400 */ 2400 { PCI_DEVICE(0x8086, 0x3b56), 2401 .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_NOPM }, 2402 /* Poulsbo */ 2403 { PCI_DEVICE(0x8086, 0x811b), 2404 .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_BASE }, 2405 /* Oaktrail */ 2406 { PCI_DEVICE(0x8086, 0x080a), 2407 .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_BASE }, 2408 /* BayTrail */ 2409 { PCI_DEVICE(0x8086, 0x0f04), 2410 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BAYTRAIL }, 2411 /* Braswell */ 2412 { PCI_DEVICE(0x8086, 0x2284), 2413 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BRASWELL }, 2414 /* ICH6 */ 2415 { PCI_DEVICE(0x8086, 0x2668), 2416 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH }, 2417 /* ICH7 */ 2418 { PCI_DEVICE(0x8086, 0x27d8), 2419 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH }, 2420 /* ESB2 */ 2421 { PCI_DEVICE(0x8086, 0x269a), 2422 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH }, 2423 /* ICH8 */ 2424 { PCI_DEVICE(0x8086, 0x284b), 2425 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH }, 2426 /* ICH9 */ 2427 { PCI_DEVICE(0x8086, 0x293e), 2428 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH }, 2429 /* ICH9 */ 2430 { PCI_DEVICE(0x8086, 0x293f), 2431 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH }, 2432 /* ICH10 */ 2433 { PCI_DEVICE(0x8086, 0x3a3e), 2434 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH }, 2435 /* ICH10 */ 2436 { PCI_DEVICE(0x8086, 0x3a6e), 2437 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH }, 2438 /* Generic Intel */ 2439 { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_ANY_ID), 2440 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8, 2441 .class_mask = 0xffffff, 2442 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_NO_ALIGN_BUFSIZE }, 2443 /* ATI SB 450/600/700/800/900 */ 2444 { PCI_DEVICE(0x1002, 0x437b), 2445 .driver_data = AZX_DRIVER_ATI | AZX_DCAPS_PRESET_ATI_SB }, 2446 { PCI_DEVICE(0x1002, 0x4383), 2447 .driver_data = AZX_DRIVER_ATI | AZX_DCAPS_PRESET_ATI_SB }, 2448 /* AMD Hudson */ 2449 { PCI_DEVICE(0x1022, 0x780d), 2450 .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB }, 2451 /* AMD Stoney */ 2452 { PCI_DEVICE(0x1022, 0x157a), 2453 .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB | 2454 AZX_DCAPS_PM_RUNTIME }, 2455 /* AMD Raven */ 2456 { PCI_DEVICE(0x1022, 0x15e3), 2457 .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB | 2458 AZX_DCAPS_PM_RUNTIME }, 2459 /* ATI HDMI */ 2460 { PCI_DEVICE(0x1002, 0x0002), 2461 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, 2462 { PCI_DEVICE(0x1002, 0x1308), 2463 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, 2464 { PCI_DEVICE(0x1002, 0x157a), 2465 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, 2466 { PCI_DEVICE(0x1002, 0x15b3), 2467 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, 2468 { PCI_DEVICE(0x1002, 0x793b), 2469 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2470 { PCI_DEVICE(0x1002, 0x7919), 2471 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2472 { PCI_DEVICE(0x1002, 0x960f), 2473 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2474 { PCI_DEVICE(0x1002, 0x970f), 2475 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2476 { PCI_DEVICE(0x1002, 0x9840), 2477 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, 2478 { PCI_DEVICE(0x1002, 0xaa00), 2479 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2480 { PCI_DEVICE(0x1002, 0xaa08), 2481 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2482 { PCI_DEVICE(0x1002, 0xaa10), 2483 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2484 { PCI_DEVICE(0x1002, 0xaa18), 2485 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2486 { PCI_DEVICE(0x1002, 0xaa20), 2487 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2488 { PCI_DEVICE(0x1002, 0xaa28), 2489 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2490 { PCI_DEVICE(0x1002, 0xaa30), 2491 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2492 { PCI_DEVICE(0x1002, 0xaa38), 2493 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2494 { PCI_DEVICE(0x1002, 0xaa40), 2495 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2496 { PCI_DEVICE(0x1002, 0xaa48), 2497 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2498 { PCI_DEVICE(0x1002, 0xaa50), 2499 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2500 { PCI_DEVICE(0x1002, 0xaa58), 2501 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2502 { PCI_DEVICE(0x1002, 0xaa60), 2503 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2504 { PCI_DEVICE(0x1002, 0xaa68), 2505 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2506 { PCI_DEVICE(0x1002, 0xaa80), 2507 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2508 { PCI_DEVICE(0x1002, 0xaa88), 2509 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2510 { PCI_DEVICE(0x1002, 0xaa90), 2511 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2512 { PCI_DEVICE(0x1002, 0xaa98), 2513 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, 2514 { PCI_DEVICE(0x1002, 0x9902), 2515 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, 2516 { PCI_DEVICE(0x1002, 0xaaa0), 2517 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, 2518 { PCI_DEVICE(0x1002, 0xaaa8), 2519 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, 2520 { PCI_DEVICE(0x1002, 0xaab0), 2521 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, 2522 { PCI_DEVICE(0x1002, 0xaac0), 2523 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, 2524 { PCI_DEVICE(0x1002, 0xaac8), 2525 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, 2526 { PCI_DEVICE(0x1002, 0xaad8), 2527 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, 2528 { PCI_DEVICE(0x1002, 0xaae8), 2529 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, 2530 { PCI_DEVICE(0x1002, 0xaae0), 2531 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, 2532 { PCI_DEVICE(0x1002, 0xaaf0), 2533 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, 2534 /* VIA VT8251/VT8237A */ 2535 { PCI_DEVICE(0x1106, 0x3288), .driver_data = AZX_DRIVER_VIA }, 2536 /* VIA GFX VT7122/VX900 */ 2537 { PCI_DEVICE(0x1106, 0x9170), .driver_data = AZX_DRIVER_GENERIC }, 2538 /* VIA GFX VT6122/VX11 */ 2539 { PCI_DEVICE(0x1106, 0x9140), .driver_data = AZX_DRIVER_GENERIC }, 2540 /* SIS966 */ 2541 { PCI_DEVICE(0x1039, 0x7502), .driver_data = AZX_DRIVER_SIS }, 2542 /* ULI M5461 */ 2543 { PCI_DEVICE(0x10b9, 0x5461), .driver_data = AZX_DRIVER_ULI }, 2544 /* NVIDIA MCP */ 2545 { PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID), 2546 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8, 2547 .class_mask = 0xffffff, 2548 .driver_data = AZX_DRIVER_NVIDIA | AZX_DCAPS_PRESET_NVIDIA }, 2549 /* Teradici */ 2550 { PCI_DEVICE(0x6549, 0x1200), 2551 .driver_data = AZX_DRIVER_TERA | AZX_DCAPS_NO_64BIT }, 2552 { PCI_DEVICE(0x6549, 0x2200), 2553 .driver_data = AZX_DRIVER_TERA | AZX_DCAPS_NO_64BIT }, 2554 /* Creative X-Fi (CA0110-IBG) */ 2555 /* CTHDA chips */ 2556 { PCI_DEVICE(0x1102, 0x0010), 2557 .driver_data = AZX_DRIVER_CTHDA | AZX_DCAPS_PRESET_CTHDA }, 2558 { PCI_DEVICE(0x1102, 0x0012), 2559 .driver_data = AZX_DRIVER_CTHDA | AZX_DCAPS_PRESET_CTHDA }, 2560 #if !IS_ENABLED(CONFIG_SND_CTXFI) 2561 /* the following entry conflicts with snd-ctxfi driver, 2562 * as ctxfi driver mutates from HD-audio to native mode with 2563 * a special command sequence. 2564 */ 2565 { PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_ANY_ID), 2566 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8, 2567 .class_mask = 0xffffff, 2568 .driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND | 2569 AZX_DCAPS_NO_64BIT | AZX_DCAPS_POSFIX_LPIB }, 2570 #else 2571 /* this entry seems still valid -- i.e. without emu20kx chip */ 2572 { PCI_DEVICE(0x1102, 0x0009), 2573 .driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND | 2574 AZX_DCAPS_NO_64BIT | AZX_DCAPS_POSFIX_LPIB }, 2575 #endif 2576 /* CM8888 */ 2577 { PCI_DEVICE(0x13f6, 0x5011), 2578 .driver_data = AZX_DRIVER_CMEDIA | 2579 AZX_DCAPS_NO_MSI | AZX_DCAPS_POSFIX_LPIB | AZX_DCAPS_SNOOP_OFF }, 2580 /* Vortex86MX */ 2581 { PCI_DEVICE(0x17f3, 0x3010), .driver_data = AZX_DRIVER_GENERIC }, 2582 /* VMware HDAudio */ 2583 { PCI_DEVICE(0x15ad, 0x1977), .driver_data = AZX_DRIVER_GENERIC }, 2584 /* AMD/ATI Generic, PCI class code and Vendor ID for HD Audio */ 2585 { PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_ANY_ID), 2586 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8, 2587 .class_mask = 0xffffff, 2588 .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_HDMI }, 2589 { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_ANY_ID), 2590 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8, 2591 .class_mask = 0xffffff, 2592 .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_HDMI }, 2593 { 0, } 2594 }; 2595 MODULE_DEVICE_TABLE(pci, azx_ids); 2596 2597 /* pci_driver definition */ 2598 static struct pci_driver azx_driver = { 2599 .name = KBUILD_MODNAME, 2600 .id_table = azx_ids, 2601 .probe = azx_probe, 2602 .remove = azx_remove, 2603 .shutdown = azx_shutdown, 2604 .driver = { 2605 .pm = AZX_PM_OPS, 2606 }, 2607 }; 2608 2609 module_pci_driver(azx_driver); 2610