sound/pci/hda/hda_intel.c

   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 #include <linux/pgtable.h>
  40
  41 #ifdef CONFIG_X86
  42 /* for snoop control */
  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 denylist");
 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_DESCRIPTION("Intel HDA driver");
 212
 213 #if defined(CONFIG_PM) && defined(CONFIG_VGA_SWITCHEROO)
 214 #if IS_ENABLED(CONFIG_SND_HDA_CODEC_HDMI)
 215 #define SUPPORT_VGA_SWITCHEROO
 216 #endif
 217 #endif
 218
 219
 220 /*
 221  */
 222
 223 /* driver types */
 224 enum {
 225         AZX_DRIVER_ICH,
 226         AZX_DRIVER_PCH,
 227         AZX_DRIVER_SCH,
 228         AZX_DRIVER_SKL,
 229         AZX_DRIVER_HDMI,
 230         AZX_DRIVER_ATI,
 231         AZX_DRIVER_ATIHDMI,
 232         AZX_DRIVER_ATIHDMI_NS,
 233         AZX_DRIVER_VIA,
 234         AZX_DRIVER_SIS,
 235         AZX_DRIVER_ULI,
 236         AZX_DRIVER_NVIDIA,
 237         AZX_DRIVER_TERA,
 238         AZX_DRIVER_CTX,
 239         AZX_DRIVER_CTHDA,
 240         AZX_DRIVER_CMEDIA,
 241         AZX_DRIVER_ZHAOXIN,
 242         AZX_DRIVER_GENERIC,
 243         AZX_NUM_DRIVERS, /* keep this as last entry */
 244 };
 245
 246 #define azx_get_snoop_type(chip) \
 247         (((chip)->driver_caps & AZX_DCAPS_SNOOP_MASK) >> 10)
 248 #define AZX_DCAPS_SNOOP_TYPE(type) ((AZX_SNOOP_TYPE_ ## type) << 10)
 249
 250 /* quirks for old Intel chipsets */
 251 #define AZX_DCAPS_INTEL_ICH \
 252         (AZX_DCAPS_OLD_SSYNC | AZX_DCAPS_NO_ALIGN_BUFSIZE)
 253
 254 /* quirks for Intel PCH */
 255 #define AZX_DCAPS_INTEL_PCH_BASE \
 256         (AZX_DCAPS_NO_ALIGN_BUFSIZE | AZX_DCAPS_COUNT_LPIB_DELAY |\
 257          AZX_DCAPS_SNOOP_TYPE(SCH))
 258
 259 /* PCH up to IVB; no runtime PM; bind with i915 gfx */
 260 #define AZX_DCAPS_INTEL_PCH_NOPM \
 261         (AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_I915_COMPONENT)
 262
 263 /* PCH for HSW/BDW; with runtime PM */
 264 /* no i915 binding for this as HSW/BDW has another controller for HDMI */
 265 #define AZX_DCAPS_INTEL_PCH \
 266         (AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_PM_RUNTIME)
 267
 268 /* HSW HDMI */
 269 #define AZX_DCAPS_INTEL_HASWELL \
 270         (/*AZX_DCAPS_ALIGN_BUFSIZE |*/ AZX_DCAPS_COUNT_LPIB_DELAY |\
 271          AZX_DCAPS_PM_RUNTIME | AZX_DCAPS_I915_COMPONENT |\
 272          AZX_DCAPS_SNOOP_TYPE(SCH))
 273
 274 /* Broadwell HDMI can't use position buffer reliably, force to use LPIB */
 275 #define AZX_DCAPS_INTEL_BROADWELL \
 276         (/*AZX_DCAPS_ALIGN_BUFSIZE |*/ AZX_DCAPS_POSFIX_LPIB |\
 277          AZX_DCAPS_PM_RUNTIME | AZX_DCAPS_I915_COMPONENT |\
 278          AZX_DCAPS_SNOOP_TYPE(SCH))
 279
 280 #define AZX_DCAPS_INTEL_BAYTRAIL \
 281         (AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_I915_COMPONENT)
 282
 283 #define AZX_DCAPS_INTEL_BRASWELL \
 284         (AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_PM_RUNTIME |\
 285          AZX_DCAPS_I915_COMPONENT)
 286
 287 #define AZX_DCAPS_INTEL_SKYLAKE \
 288         (AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_PM_RUNTIME |\
 289          AZX_DCAPS_SEPARATE_STREAM_TAG | AZX_DCAPS_I915_COMPONENT)
 290
 291 #define AZX_DCAPS_INTEL_BROXTON         AZX_DCAPS_INTEL_SKYLAKE
 292
 293 /* quirks for ATI SB / AMD Hudson */
 294 #define AZX_DCAPS_PRESET_ATI_SB \
 295         (AZX_DCAPS_NO_TCSEL | AZX_DCAPS_POSFIX_LPIB |\
 296          AZX_DCAPS_SNOOP_TYPE(ATI))
 297
 298 /* quirks for ATI/AMD HDMI */
 299 #define AZX_DCAPS_PRESET_ATI_HDMI \
 300         (AZX_DCAPS_NO_TCSEL | AZX_DCAPS_POSFIX_LPIB|\
 301          AZX_DCAPS_NO_MSI64)
 302
 303 /* quirks for ATI HDMI with snoop off */
 304 #define AZX_DCAPS_PRESET_ATI_HDMI_NS \
 305         (AZX_DCAPS_PRESET_ATI_HDMI | AZX_DCAPS_SNOOP_OFF)
 306
 307 /* quirks for AMD SB */
 308 #define AZX_DCAPS_PRESET_AMD_SB \
 309         (AZX_DCAPS_NO_TCSEL | AZX_DCAPS_AMD_WORKAROUND |\
 310          AZX_DCAPS_SNOOP_TYPE(ATI) | AZX_DCAPS_PM_RUNTIME |\
 311          AZX_DCAPS_RETRY_PROBE)
 312
 313 /* quirks for Nvidia */
 314 #define AZX_DCAPS_PRESET_NVIDIA \
 315         (AZX_DCAPS_NO_MSI | AZX_DCAPS_CORBRP_SELF_CLEAR |\
 316          AZX_DCAPS_SNOOP_TYPE(NVIDIA))
 317
 318 #define AZX_DCAPS_PRESET_CTHDA \
 319         (AZX_DCAPS_NO_MSI | AZX_DCAPS_POSFIX_LPIB |\
 320          AZX_DCAPS_NO_64BIT |\
 321          AZX_DCAPS_4K_BDLE_BOUNDARY | AZX_DCAPS_SNOOP_OFF)
 322
 323 /*
 324  * vga_switcheroo support
 325  */
 326 #ifdef SUPPORT_VGA_SWITCHEROO
 327 #define use_vga_switcheroo(chip)        ((chip)->use_vga_switcheroo)
 328 #define needs_eld_notify_link(chip)     ((chip)->bus.keep_power)
 329 #else
 330 #define use_vga_switcheroo(chip)        0
 331 #define needs_eld_notify_link(chip)     false
 332 #endif
 333
 334 #define CONTROLLER_IN_GPU(pci) (((pci)->device == 0x0a0c) || \
 335                                         ((pci)->device == 0x0c0c) || \
 336                                         ((pci)->device == 0x0d0c) || \
 337                                         ((pci)->device == 0x160c) || \
 338                                         ((pci)->device == 0x490d))
 339
 340 #define IS_BXT(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x5a98)
 341
 342 static const char * const driver_short_names[] = {
 343         [AZX_DRIVER_ICH] = "HDA Intel",
 344         [AZX_DRIVER_PCH] = "HDA Intel PCH",
 345         [AZX_DRIVER_SCH] = "HDA Intel MID",
 346         [AZX_DRIVER_SKL] = "HDA Intel PCH", /* kept old name for compatibility */
 347         [AZX_DRIVER_HDMI] = "HDA Intel HDMI",
 348         [AZX_DRIVER_ATI] = "HDA ATI SB",
 349         [AZX_DRIVER_ATIHDMI] = "HDA ATI HDMI",
 350         [AZX_DRIVER_ATIHDMI_NS] = "HDA ATI HDMI",
 351         [AZX_DRIVER_VIA] = "HDA VIA VT82xx",
 352         [AZX_DRIVER_SIS] = "HDA SIS966",
 353         [AZX_DRIVER_ULI] = "HDA ULI M5461",
 354         [AZX_DRIVER_NVIDIA] = "HDA NVidia",
 355         [AZX_DRIVER_TERA] = "HDA Teradici",
 356         [AZX_DRIVER_CTX] = "HDA Creative",
 357         [AZX_DRIVER_CTHDA] = "HDA Creative",
 358         [AZX_DRIVER_CMEDIA] = "HDA C-Media",
 359         [AZX_DRIVER_ZHAOXIN] = "HDA Zhaoxin",
 360         [AZX_DRIVER_GENERIC] = "HD-Audio Generic",
 361 };
 362
 363 static int azx_acquire_irq(struct azx *chip, int do_disconnect);
 364 static void set_default_power_save(struct azx *chip);
 365
 366 /*
 367  * initialize the PCI registers
 368  */
 369 /* update bits in a PCI register byte */
 370 static void update_pci_byte(struct pci_dev *pci, unsigned int reg,
 371                             unsigned char mask, unsigned char val)
 372 {
 373         unsigned char data;
 374
 375         pci_read_config_byte(pci, reg, &data);
 376         data &= ~mask;
 377         data |= (val & mask);
 378         pci_write_config_byte(pci, reg, data);
 379 }
 380
 381 static void azx_init_pci(struct azx *chip)
 382 {
 383         int snoop_type = azx_get_snoop_type(chip);
 384
 385         /* Clear bits 0-2 of PCI register TCSEL (at offset 0x44)
 386          * TCSEL == Traffic Class Select Register, which sets PCI express QOS
 387          * Ensuring these bits are 0 clears playback static on some HD Audio
 388          * codecs.
 389          * The PCI register TCSEL is defined in the Intel manuals.
 390          */
 391         if (!(chip->driver_caps & AZX_DCAPS_NO_TCSEL)) {
 392                 dev_dbg(chip->card->dev, "Clearing TCSEL\n");
 393                 update_pci_byte(chip->pci, AZX_PCIREG_TCSEL, 0x07, 0);
 394         }
 395
 396         /* For ATI SB450/600/700/800/900 and AMD Hudson azalia HD audio,
 397          * we need to enable snoop.
 398          */
 399         if (snoop_type == AZX_SNOOP_TYPE_ATI) {
 400                 dev_dbg(chip->card->dev, "Setting ATI snoop: %d\n",
 401                         azx_snoop(chip));
 402                 update_pci_byte(chip->pci,
 403                                 ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR, 0x07,
 404                                 azx_snoop(chip) ? ATI_SB450_HDAUDIO_ENABLE_SNOOP : 0);
 405         }
 406
 407         /* For NVIDIA HDA, enable snoop */
 408         if (snoop_type == AZX_SNOOP_TYPE_NVIDIA) {
 409                 dev_dbg(chip->card->dev, "Setting Nvidia snoop: %d\n",
 410                         azx_snoop(chip));
 411                 update_pci_byte(chip->pci,
 412                                 NVIDIA_HDA_TRANSREG_ADDR,
 413                                 0x0f, NVIDIA_HDA_ENABLE_COHBITS);
 414                 update_pci_byte(chip->pci,
 415                                 NVIDIA_HDA_ISTRM_COH,
 416                                 0x01, NVIDIA_HDA_ENABLE_COHBIT);
 417                 update_pci_byte(chip->pci,
 418                                 NVIDIA_HDA_OSTRM_COH,
 419                                 0x01, NVIDIA_HDA_ENABLE_COHBIT);
 420         }
 421
 422         /* Enable SCH/PCH snoop if needed */
 423         if (snoop_type == AZX_SNOOP_TYPE_SCH) {
 424                 unsigned short snoop;
 425                 pci_read_config_word(chip->pci, INTEL_SCH_HDA_DEVC, &snoop);
 426                 if ((!azx_snoop(chip) && !(snoop & INTEL_SCH_HDA_DEVC_NOSNOOP)) ||
 427                     (azx_snoop(chip) && (snoop & INTEL_SCH_HDA_DEVC_NOSNOOP))) {
 428                         snoop &= ~INTEL_SCH_HDA_DEVC_NOSNOOP;
 429                         if (!azx_snoop(chip))
 430                                 snoop |= INTEL_SCH_HDA_DEVC_NOSNOOP;
 431                         pci_write_config_word(chip->pci, INTEL_SCH_HDA_DEVC, snoop);
 432                         pci_read_config_word(chip->pci,
 433                                 INTEL_SCH_HDA_DEVC, &snoop);
 434                 }
 435                 dev_dbg(chip->card->dev, "SCH snoop: %s\n",
 436                         (snoop & INTEL_SCH_HDA_DEVC_NOSNOOP) ?
 437                         "Disabled" : "Enabled");
 438         }
 439 }
 440
 441 /*
 442  * In BXT-P A0, HD-Audio DMA requests is later than expected,
 443  * and makes an audio stream sensitive to system latencies when
 444  * 24/32 bits are playing.
 445  * Adjusting threshold of DMA fifo to force the DMA request
 446  * sooner to improve latency tolerance at the expense of power.
 447  */
 448 static void bxt_reduce_dma_latency(struct azx *chip)
 449 {
 450         u32 val;
 451
 452         val = azx_readl(chip, VS_EM4L);
 453         val &= (0x3 << 20);
 454         azx_writel(chip, VS_EM4L, val);
 455 }
 456
 457 /*
 458  * ML_LCAP bits:
 459  *  bit 0: 6 MHz Supported
 460  *  bit 1: 12 MHz Supported
 461  *  bit 2: 24 MHz Supported
 462  *  bit 3: 48 MHz Supported
 463  *  bit 4: 96 MHz Supported
 464  *  bit 5: 192 MHz Supported
 465  */
 466 static int intel_get_lctl_scf(struct azx *chip)
 467 {
 468         struct hdac_bus *bus = azx_bus(chip);
 469         static const int preferred_bits[] = { 2, 3, 1, 4, 5 };
 470         u32 val, t;
 471         int i;
 472
 473         val = readl(bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCAP);
 474
 475         for (i = 0; i < ARRAY_SIZE(preferred_bits); i++) {
 476                 t = preferred_bits[i];
 477                 if (val & (1 << t))
 478                         return t;
 479         }
 480
 481         dev_warn(chip->card->dev, "set audio clock frequency to 6MHz");
 482         return 0;
 483 }
 484
 485 static int intel_ml_lctl_set_power(struct azx *chip, int state)
 486 {
 487         struct hdac_bus *bus = azx_bus(chip);
 488         u32 val;
 489         int timeout;
 490
 491         /*
 492          * the codecs are sharing the first link setting by default
 493          * If other links are enabled for stream, they need similar fix
 494          */
 495         val = readl(bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCTL);
 496         val &= ~AZX_MLCTL_SPA;
 497         val |= state << AZX_MLCTL_SPA_SHIFT;
 498         writel(val, bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCTL);
 499         /* wait for CPA */
 500         timeout = 50;
 501         while (timeout) {
 502                 if (((readl(bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCTL)) &
 503                     AZX_MLCTL_CPA) == (state << AZX_MLCTL_CPA_SHIFT))
 504                         return 0;
 505                 timeout--;
 506                 udelay(10);
 507         }
 508
 509         return -1;
 510 }
 511
 512 static void intel_init_lctl(struct azx *chip)
 513 {
 514         struct hdac_bus *bus = azx_bus(chip);
 515         u32 val;
 516         int ret;
 517
 518         /* 0. check lctl register value is correct or not */
 519         val = readl(bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCTL);
 520         /* if SCF is already set, let's use it */
 521         if ((val & ML_LCTL_SCF_MASK) != 0)
 522                 return;
 523
 524         /*
 525          * Before operating on SPA, CPA must match SPA.
 526          * Any deviation may result in undefined behavior.
 527          */
 528         if (((val & AZX_MLCTL_SPA) >> AZX_MLCTL_SPA_SHIFT) !=
 529                 ((val & AZX_MLCTL_CPA) >> AZX_MLCTL_CPA_SHIFT))
 530                 return;
 531
 532         /* 1. turn link down: set SPA to 0 and wait CPA to 0 */
 533         ret = intel_ml_lctl_set_power(chip, 0);
 534         udelay(100);
 535         if (ret)
 536                 goto set_spa;
 537
 538         /* 2. update SCF to select a properly audio clock*/
 539         val &= ~ML_LCTL_SCF_MASK;
 540         val |= intel_get_lctl_scf(chip);
 541         writel(val, bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCTL);
 542
 543 set_spa:
 544         /* 4. turn link up: set SPA to 1 and wait CPA to 1 */
 545         intel_ml_lctl_set_power(chip, 1);
 546         udelay(100);
 547 }
 548
 549 static void hda_intel_init_chip(struct azx *chip, bool full_reset)
 550 {
 551         struct hdac_bus *bus = azx_bus(chip);
 552         struct pci_dev *pci = chip->pci;
 553         u32 val;
 554
 555         snd_hdac_set_codec_wakeup(bus, true);
 556         if (chip->driver_type == AZX_DRIVER_SKL) {
 557                 pci_read_config_dword(pci, INTEL_HDA_CGCTL, &val);
 558                 val = val & ~INTEL_HDA_CGCTL_MISCBDCGE;
 559                 pci_write_config_dword(pci, INTEL_HDA_CGCTL, val);
 560         }
 561         azx_init_chip(chip, full_reset);
 562         if (chip->driver_type == AZX_DRIVER_SKL) {
 563                 pci_read_config_dword(pci, INTEL_HDA_CGCTL, &val);
 564                 val = val | INTEL_HDA_CGCTL_MISCBDCGE;
 565                 pci_write_config_dword(pci, INTEL_HDA_CGCTL, val);
 566         }
 567
 568         snd_hdac_set_codec_wakeup(bus, false);
 569
 570         /* reduce dma latency to avoid noise */
 571         if (IS_BXT(pci))
 572                 bxt_reduce_dma_latency(chip);
 573
 574         if (bus->mlcap != NULL)
 575                 intel_init_lctl(chip);
 576 }
 577
 578 /* calculate runtime delay from LPIB */
 579 static int azx_get_delay_from_lpib(struct azx *chip, struct azx_dev *azx_dev,
 580                                    unsigned int pos)
 581 {
 582         struct snd_pcm_substream *substream = azx_dev->core.substream;
 583         int stream = substream->stream;
 584         unsigned int lpib_pos = azx_get_pos_lpib(chip, azx_dev);
 585         int delay;
 586
 587         if (stream == SNDRV_PCM_STREAM_PLAYBACK)
 588                 delay = pos - lpib_pos;
 589         else
 590                 delay = lpib_pos - pos;
 591         if (delay < 0) {
 592                 if (delay >= azx_dev->core.delay_negative_threshold)
 593                         delay = 0;
 594                 else
 595                         delay += azx_dev->core.bufsize;
 596         }
 597
 598         if (delay >= azx_dev->core.period_bytes) {
 599                 dev_info(chip->card->dev,
 600                          "Unstable LPIB (%d >= %d); disabling LPIB delay counting\n",
 601                          delay, azx_dev->core.period_bytes);
 602                 delay = 0;
 603                 chip->driver_caps &= ~AZX_DCAPS_COUNT_LPIB_DELAY;
 604                 chip->get_delay[stream] = NULL;
 605         }
 606
 607         return bytes_to_frames(substream->runtime, delay);
 608 }
 609
 610 static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev);
 611
 612 /* called from IRQ */
 613 static int azx_position_check(struct azx *chip, struct azx_dev *azx_dev)
 614 {
 615         struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
 616         int ok;
 617
 618         ok = azx_position_ok(chip, azx_dev);
 619         if (ok == 1) {
 620                 azx_dev->irq_pending = 0;
 621                 return ok;
 622         } else if (ok == 0) {
 623                 /* bogus IRQ, process it later */
 624                 azx_dev->irq_pending = 1;
 625                 schedule_work(&hda->irq_pending_work);
 626         }
 627         return 0;
 628 }
 629
 630 #define display_power(chip, enable) \
 631         snd_hdac_display_power(azx_bus(chip), HDA_CODEC_IDX_CONTROLLER, enable)
 632
 633 /*
 634  * Check whether the current DMA position is acceptable for updating
 635  * periods.  Returns non-zero if it's OK.
 636  *
 637  * Many HD-audio controllers appear pretty inaccurate about
 638  * the update-IRQ timing.  The IRQ is issued before actually the
 639  * data is processed.  So, we need to process it afterwords in a
 640  * workqueue.
 641  */
 642 static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev)
 643 {
 644         struct snd_pcm_substream *substream = azx_dev->core.substream;
 645         int stream = substream->stream;
 646         u32 wallclk;
 647         unsigned int pos;
 648
 649         wallclk = azx_readl(chip, WALLCLK) - azx_dev->core.start_wallclk;
 650         if (wallclk < (azx_dev->core.period_wallclk * 2) / 3)
 651                 return -1;      /* bogus (too early) interrupt */
 652
 653         if (chip->get_position[stream])
 654                 pos = chip->get_position[stream](chip, azx_dev);
 655         else { /* use the position buffer as default */
 656                 pos = azx_get_pos_posbuf(chip, azx_dev);
 657                 if (!pos || pos == (u32)-1) {
 658                         dev_info(chip->card->dev,
 659                                  "Invalid position buffer, using LPIB read method instead.\n");
 660                         chip->get_position[stream] = azx_get_pos_lpib;
 661                         if (chip->get_position[0] == azx_get_pos_lpib &&
 662                             chip->get_position[1] == azx_get_pos_lpib)
 663                                 azx_bus(chip)->use_posbuf = false;
 664                         pos = azx_get_pos_lpib(chip, azx_dev);
 665                         chip->get_delay[stream] = NULL;
 666                 } else {
 667                         chip->get_position[stream] = azx_get_pos_posbuf;
 668                         if (chip->driver_caps & AZX_DCAPS_COUNT_LPIB_DELAY)
 669                                 chip->get_delay[stream] = azx_get_delay_from_lpib;
 670                 }
 671         }
 672
 673         if (pos >= azx_dev->core.bufsize)
 674                 pos = 0;
 675
 676         if (WARN_ONCE(!azx_dev->core.period_bytes,
 677                       "hda-intel: zero azx_dev->period_bytes"))
 678                 return -1; /* this shouldn't happen! */
 679         if (wallclk < (azx_dev->core.period_wallclk * 5) / 4 &&
 680             pos % azx_dev->core.period_bytes > azx_dev->core.period_bytes / 2)
 681                 /* NG - it's below the first next period boundary */
 682                 return chip->bdl_pos_adj ? 0 : -1;
 683         azx_dev->core.start_wallclk += wallclk;
 684         return 1; /* OK, it's fine */
 685 }
 686
 687 /*
 688  * The work for pending PCM period updates.
 689  */
 690 static void azx_irq_pending_work(struct work_struct *work)
 691 {
 692         struct hda_intel *hda = container_of(work, struct hda_intel, irq_pending_work);
 693         struct azx *chip = &hda->chip;
 694         struct hdac_bus *bus = azx_bus(chip);
 695         struct hdac_stream *s;
 696         int pending, ok;
 697
 698         if (!hda->irq_pending_warned) {
 699                 dev_info(chip->card->dev,
 700                          "IRQ timing workaround is activated for card #%d. Suggest a bigger bdl_pos_adj.\n",
 701                          chip->card->number);
 702                 hda->irq_pending_warned = 1;
 703         }
 704
 705         for (;;) {
 706                 pending = 0;
 707                 spin_lock_irq(&bus->reg_lock);
 708                 list_for_each_entry(s, &bus->stream_list, list) {
 709                         struct azx_dev *azx_dev = stream_to_azx_dev(s);
 710                         if (!azx_dev->irq_pending ||
 711                             !s->substream ||
 712                             !s->running)
 713                                 continue;
 714                         ok = azx_position_ok(chip, azx_dev);
 715                         if (ok > 0) {
 716                                 azx_dev->irq_pending = 0;
 717                                 spin_unlock(&bus->reg_lock);
 718                                 snd_pcm_period_elapsed(s->substream);
 719                                 spin_lock(&bus->reg_lock);
 720                         } else if (ok < 0) {
 721                                 pending = 0;    /* too early */
 722                         } else
 723                                 pending++;
 724                 }
 725                 spin_unlock_irq(&bus->reg_lock);
 726                 if (!pending)
 727                         return;
 728                 msleep(1);
 729         }
 730 }
 731
 732 /* clear irq_pending flags and assure no on-going workq */
 733 static void azx_clear_irq_pending(struct azx *chip)
 734 {
 735         struct hdac_bus *bus = azx_bus(chip);
 736         struct hdac_stream *s;
 737
 738         spin_lock_irq(&bus->reg_lock);
 739         list_for_each_entry(s, &bus->stream_list, list) {
 740                 struct azx_dev *azx_dev = stream_to_azx_dev(s);
 741                 azx_dev->irq_pending = 0;
 742         }
 743         spin_unlock_irq(&bus->reg_lock);
 744 }
 745
 746 static int azx_acquire_irq(struct azx *chip, int do_disconnect)
 747 {
 748         struct hdac_bus *bus = azx_bus(chip);
 749
 750         if (request_irq(chip->pci->irq, azx_interrupt,
 751                         chip->msi ? 0 : IRQF_SHARED,
 752                         chip->card->irq_descr, chip)) {
 753                 dev_err(chip->card->dev,
 754                         "unable to grab IRQ %d, disabling device\n",
 755                         chip->pci->irq);
 756                 if (do_disconnect)
 757                         snd_card_disconnect(chip->card);
 758                 return -1;
 759         }
 760         bus->irq = chip->pci->irq;
 761         chip->card->sync_irq = bus->irq;
 762         pci_intx(chip->pci, !chip->msi);
 763         return 0;
 764 }
 765
 766 /* get the current DMA position with correction on VIA chips */
 767 static unsigned int azx_via_get_position(struct azx *chip,
 768                                          struct azx_dev *azx_dev)
 769 {
 770         unsigned int link_pos, mini_pos, bound_pos;
 771         unsigned int mod_link_pos, mod_dma_pos, mod_mini_pos;
 772         unsigned int fifo_size;
 773
 774         link_pos = snd_hdac_stream_get_pos_lpib(azx_stream(azx_dev));
 775         if (azx_dev->core.substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 776                 /* Playback, no problem using link position */
 777                 return link_pos;
 778         }
 779
 780         /* Capture */
 781         /* For new chipset,
 782          * use mod to get the DMA position just like old chipset
 783          */
 784         mod_dma_pos = le32_to_cpu(*azx_dev->core.posbuf);
 785         mod_dma_pos %= azx_dev->core.period_bytes;
 786
 787         fifo_size = azx_stream(azx_dev)->fifo_size - 1;
 788
 789         if (azx_dev->insufficient) {
 790                 /* Link position never gather than FIFO size */
 791                 if (link_pos <= fifo_size)
 792                         return 0;
 793
 794                 azx_dev->insufficient = 0;
 795         }
 796
 797         if (link_pos <= fifo_size)
 798                 mini_pos = azx_dev->core.bufsize + link_pos - fifo_size;
 799         else
 800                 mini_pos = link_pos - fifo_size;
 801
 802         /* Find nearest previous boudary */
 803         mod_mini_pos = mini_pos % azx_dev->core.period_bytes;
 804         mod_link_pos = link_pos % azx_dev->core.period_bytes;
 805         if (mod_link_pos >= fifo_size)
 806                 bound_pos = link_pos - mod_link_pos;
 807         else if (mod_dma_pos >= mod_mini_pos)
 808                 bound_pos = mini_pos - mod_mini_pos;
 809         else {
 810                 bound_pos = mini_pos - mod_mini_pos + azx_dev->core.period_bytes;
 811                 if (bound_pos >= azx_dev->core.bufsize)
 812                         bound_pos = 0;
 813         }
 814
 815         /* Calculate real DMA position we want */
 816         return bound_pos + mod_dma_pos;
 817 }
 818
 819 #define AMD_FIFO_SIZE   32
 820
 821 /* get the current DMA position with FIFO size correction */
 822 static unsigned int azx_get_pos_fifo(struct azx *chip, struct azx_dev *azx_dev)
 823 {
 824         struct snd_pcm_substream *substream = azx_dev->core.substream;
 825         struct snd_pcm_runtime *runtime = substream->runtime;
 826         unsigned int pos, delay;
 827
 828         pos = snd_hdac_stream_get_pos_lpib(azx_stream(azx_dev));
 829         if (!runtime)
 830                 return pos;
 831
 832         runtime->delay = AMD_FIFO_SIZE;
 833         delay = frames_to_bytes(runtime, AMD_FIFO_SIZE);
 834         if (azx_dev->insufficient) {
 835                 if (pos < delay) {
 836                         delay = pos;
 837                         runtime->delay = bytes_to_frames(runtime, pos);
 838                 } else {
 839                         azx_dev->insufficient = 0;
 840                 }
 841         }
 842
 843         /* correct the DMA position for capture stream */
 844         if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
 845                 if (pos < delay)
 846                         pos += azx_dev->core.bufsize;
 847                 pos -= delay;
 848         }
 849
 850         return pos;
 851 }
 852
 853 static int azx_get_delay_from_fifo(struct azx *chip, struct azx_dev *azx_dev,
 854                                    unsigned int pos)
 855 {
 856         struct snd_pcm_substream *substream = azx_dev->core.substream;
 857
 858         /* just read back the calculated value in the above */
 859         return substream->runtime->delay;
 860 }
 861
 862 static unsigned int azx_skl_get_dpib_pos(struct azx *chip,
 863                                          struct azx_dev *azx_dev)
 864 {
 865         return _snd_hdac_chip_readl(azx_bus(chip),
 866                                     AZX_REG_VS_SDXDPIB_XBASE +
 867                                     (AZX_REG_VS_SDXDPIB_XINTERVAL *
 868                                      azx_dev->core.index));
 869 }
 870
 871 /* get the current DMA position with correction on SKL+ chips */
 872 static unsigned int azx_get_pos_skl(struct azx *chip, struct azx_dev *azx_dev)
 873 {
 874         /* DPIB register gives a more accurate position for playback */
 875         if (azx_dev->core.substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 876                 return azx_skl_get_dpib_pos(chip, azx_dev);
 877
 878         /* For capture, we need to read posbuf, but it requires a delay
 879          * for the possible boundary overlap; the read of DPIB fetches the
 880          * actual posbuf
 881          */
 882         udelay(20);
 883         azx_skl_get_dpib_pos(chip, azx_dev);
 884         return azx_get_pos_posbuf(chip, azx_dev);
 885 }
 886
 887 static void __azx_shutdown_chip(struct azx *chip, bool skip_link_reset)
 888 {
 889         azx_stop_chip(chip);
 890         if (!skip_link_reset)
 891                 azx_enter_link_reset(chip);
 892         azx_clear_irq_pending(chip);
 893         display_power(chip, false);
 894 }
 895
 896 #ifdef CONFIG_PM
 897 static DEFINE_MUTEX(card_list_lock);
 898 static LIST_HEAD(card_list);
 899
 900 static void azx_shutdown_chip(struct azx *chip)
 901 {
 902         __azx_shutdown_chip(chip, false);
 903 }
 904
 905 static void azx_add_card_list(struct azx *chip)
 906 {
 907         struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
 908         mutex_lock(&card_list_lock);
 909         list_add(&hda->list, &card_list);
 910         mutex_unlock(&card_list_lock);
 911 }
 912
 913 static void azx_del_card_list(struct azx *chip)
 914 {
 915         struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
 916         mutex_lock(&card_list_lock);
 917         list_del_init(&hda->list);
 918         mutex_unlock(&card_list_lock);
 919 }
 920
 921 /* trigger power-save check at writing parameter */
 922 static int param_set_xint(const char *val, const struct kernel_param *kp)
 923 {
 924         struct hda_intel *hda;
 925         struct azx *chip;
 926         int prev = power_save;
 927         int ret = param_set_int(val, kp);
 928
 929         if (ret || prev == power_save)
 930                 return ret;
 931
 932         mutex_lock(&card_list_lock);
 933         list_for_each_entry(hda, &card_list, list) {
 934                 chip = &hda->chip;
 935                 if (!hda->probe_continued || chip->disabled)
 936                         continue;
 937                 snd_hda_set_power_save(&chip->bus, power_save * 1000);
 938         }
 939         mutex_unlock(&card_list_lock);
 940         return 0;
 941 }
 942
 943 /*
 944  * power management
 945  */
 946 static bool azx_is_pm_ready(struct snd_card *card)
 947 {
 948         struct azx *chip;
 949         struct hda_intel *hda;
 950
 951         if (!card)
 952                 return false;
 953         chip = card->private_data;
 954         hda = container_of(chip, struct hda_intel, chip);
 955         if (chip->disabled || hda->init_failed || !chip->running)
 956                 return false;
 957         return true;
 958 }
 959
 960 static void __azx_runtime_resume(struct azx *chip)
 961 {
 962         struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
 963         struct hdac_bus *bus = azx_bus(chip);
 964         struct hda_codec *codec;
 965         int status;
 966
 967         display_power(chip, true);
 968         if (hda->need_i915_power)
 969                 snd_hdac_i915_set_bclk(bus);
 970
 971         /* Read STATESTS before controller reset */
 972         status = azx_readw(chip, STATESTS);
 973
 974         azx_init_pci(chip);
 975         hda_intel_init_chip(chip, true);
 976
 977         /* Avoid codec resume if runtime resume is for system suspend */
 978         if (!chip->pm_prepared) {
 979                 list_for_each_codec(codec, &chip->bus) {
 980                         if (codec->relaxed_resume)
 981                                 continue;
 982
 983                         if (codec->forced_resume || (status & (1 << codec->addr)))
 984                                 pm_request_resume(hda_codec_dev(codec));
 985                 }
 986         }
 987
 988         /* power down again for link-controlled chips */
 989         if (!hda->need_i915_power)
 990                 display_power(chip, false);
 991 }
 992
 993 #ifdef CONFIG_PM_SLEEP
 994 static int azx_prepare(struct device *dev)
 995 {
 996         struct snd_card *card = dev_get_drvdata(dev);
 997         struct azx *chip;
 998
 999         if (!azx_is_pm_ready(card))
1000                 return 0;
1001
1002         chip = card->private_data;
1003         chip->pm_prepared = 1;
1004         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1005
1006         flush_work(&azx_bus(chip)->unsol_work);
1007
1008         /* HDA controller always requires different WAKEEN for runtime suspend
1009          * and system suspend, so don't use direct-complete here.
1010          */
1011         return 0;
1012 }
1013
1014 static void azx_complete(struct device *dev)
1015 {
1016         struct snd_card *card = dev_get_drvdata(dev);
1017         struct azx *chip;
1018
1019         if (!azx_is_pm_ready(card))
1020                 return;
1021
1022         chip = card->private_data;
1023         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1024         chip->pm_prepared = 0;
1025 }
1026
1027 static int azx_suspend(struct device *dev)
1028 {
1029         struct snd_card *card = dev_get_drvdata(dev);
1030         struct azx *chip;
1031         struct hdac_bus *bus;
1032
1033         if (!azx_is_pm_ready(card))
1034                 return 0;
1035
1036         chip = card->private_data;
1037         bus = azx_bus(chip);
1038         azx_shutdown_chip(chip);
1039         if (bus->irq >= 0) {
1040                 free_irq(bus->irq, chip);
1041                 bus->irq = -1;
1042                 chip->card->sync_irq = -1;
1043         }
1044
1045         if (chip->msi)
1046                 pci_disable_msi(chip->pci);
1047
1048         trace_azx_suspend(chip);
1049         return 0;
1050 }
1051
1052 static int azx_resume(struct device *dev)
1053 {
1054         struct snd_card *card = dev_get_drvdata(dev);
1055         struct azx *chip;
1056
1057         if (!azx_is_pm_ready(card))
1058                 return 0;
1059
1060         chip = card->private_data;
1061         if (chip->msi)
1062                 if (pci_enable_msi(chip->pci) < 0)
1063                         chip->msi = 0;
1064         if (azx_acquire_irq(chip, 1) < 0)
1065                 return -EIO;
1066
1067         __azx_runtime_resume(chip);
1068
1069         trace_azx_resume(chip);
1070         return 0;
1071 }
1072
1073 /* put codec down to D3 at hibernation for Intel SKL+;
1074  * otherwise BIOS may still access the codec and screw up the driver
1075  */
1076 static int azx_freeze_noirq(struct device *dev)
1077 {
1078         struct snd_card *card = dev_get_drvdata(dev);
1079         struct azx *chip = card->private_data;
1080         struct pci_dev *pci = to_pci_dev(dev);
1081
1082         if (!azx_is_pm_ready(card))
1083                 return 0;
1084         if (chip->driver_type == AZX_DRIVER_SKL)
1085                 pci_set_power_state(pci, PCI_D3hot);
1086
1087         return 0;
1088 }
1089
1090 static int azx_thaw_noirq(struct device *dev)
1091 {
1092         struct snd_card *card = dev_get_drvdata(dev);
1093         struct azx *chip = card->private_data;
1094         struct pci_dev *pci = to_pci_dev(dev);
1095
1096         if (!azx_is_pm_ready(card))
1097                 return 0;
1098         if (chip->driver_type == AZX_DRIVER_SKL)
1099                 pci_set_power_state(pci, PCI_D0);
1100
1101         return 0;
1102 }
1103 #endif /* CONFIG_PM_SLEEP */
1104
1105 static int azx_runtime_suspend(struct device *dev)
1106 {
1107         struct snd_card *card = dev_get_drvdata(dev);
1108         struct azx *chip;
1109
1110         if (!azx_is_pm_ready(card))
1111                 return 0;
1112         chip = card->private_data;
1113
1114         /* enable controller wake up event */
1115         azx_writew(chip, WAKEEN, azx_readw(chip, WAKEEN) | STATESTS_INT_MASK);
1116
1117         azx_shutdown_chip(chip);
1118         trace_azx_runtime_suspend(chip);
1119         return 0;
1120 }
1121
1122 static int azx_runtime_resume(struct device *dev)
1123 {
1124         struct snd_card *card = dev_get_drvdata(dev);
1125         struct azx *chip;
1126
1127         if (!azx_is_pm_ready(card))
1128                 return 0;
1129         chip = card->private_data;
1130         __azx_runtime_resume(chip);
1131
1132         /* disable controller Wake Up event*/
1133         azx_writew(chip, WAKEEN, azx_readw(chip, WAKEEN) & ~STATESTS_INT_MASK);
1134
1135         trace_azx_runtime_resume(chip);
1136         return 0;
1137 }
1138
1139 static int azx_runtime_idle(struct device *dev)
1140 {
1141         struct snd_card *card = dev_get_drvdata(dev);
1142         struct azx *chip;
1143         struct hda_intel *hda;
1144
1145         if (!card)
1146                 return 0;
1147
1148         chip = card->private_data;
1149         hda = container_of(chip, struct hda_intel, chip);
1150         if (chip->disabled || hda->init_failed)
1151                 return 0;
1152
1153         if (!power_save_controller || !azx_has_pm_runtime(chip) ||
1154             azx_bus(chip)->codec_powered || !chip->running)
1155                 return -EBUSY;
1156
1157         /* ELD notification gets broken when HD-audio bus is off */
1158         if (needs_eld_notify_link(chip))
1159                 return -EBUSY;
1160
1161         return 0;
1162 }
1163
1164 static const struct dev_pm_ops azx_pm = {
1165         SET_SYSTEM_SLEEP_PM_OPS(azx_suspend, azx_resume)
1166 #ifdef CONFIG_PM_SLEEP
1167         .prepare = azx_prepare,
1168         .complete = azx_complete,
1169         .freeze_noirq = azx_freeze_noirq,
1170         .thaw_noirq = azx_thaw_noirq,
1171 #endif
1172         SET_RUNTIME_PM_OPS(azx_runtime_suspend, azx_runtime_resume, azx_runtime_idle)
1173 };
1174
1175 #define AZX_PM_OPS      &azx_pm
1176 #else
1177 #define azx_add_card_list(chip) /* NOP */
1178 #define azx_del_card_list(chip) /* NOP */
1179 #define AZX_PM_OPS      NULL
1180 #endif /* CONFIG_PM */
1181
1182
1183 static int azx_probe_continue(struct azx *chip);
1184
1185 #ifdef SUPPORT_VGA_SWITCHEROO
1186 static struct pci_dev *get_bound_vga(struct pci_dev *pci);
1187
1188 static void azx_vs_set_state(struct pci_dev *pci,
1189                              enum vga_switcheroo_state state)
1190 {
1191         struct snd_card *card = pci_get_drvdata(pci);
1192         struct azx *chip = card->private_data;
1193         struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1194         struct hda_codec *codec;
1195         bool disabled;
1196
1197         wait_for_completion(&hda->probe_wait);
1198         if (hda->init_failed)
1199                 return;
1200
1201         disabled = (state == VGA_SWITCHEROO_OFF);
1202         if (chip->disabled == disabled)
1203                 return;
1204
1205         if (!hda->probe_continued) {
1206                 chip->disabled = disabled;
1207                 if (!disabled) {
1208                         dev_info(chip->card->dev,
1209                                  "Start delayed initialization\n");
1210                         if (azx_probe_continue(chip) < 0)
1211                                 dev_err(chip->card->dev, "initialization error\n");
1212                 }
1213         } else {
1214                 dev_info(chip->card->dev, "%s via vga_switcheroo\n",
1215                          disabled ? "Disabling" : "Enabling");
1216                 if (disabled) {
1217                         list_for_each_codec(codec, &chip->bus) {
1218                                 pm_runtime_suspend(hda_codec_dev(codec));
1219                                 pm_runtime_disable(hda_codec_dev(codec));
1220                         }
1221                         pm_runtime_suspend(card->dev);
1222                         pm_runtime_disable(card->dev);
1223                         /* when we get suspended by vga_switcheroo we end up in D3cold,
1224                          * however we have no ACPI handle, so pci/acpi can't put us there,
1225                          * put ourselves there */
1226                         pci->current_state = PCI_D3cold;
1227                         chip->disabled = true;
1228                         if (snd_hda_lock_devices(&chip->bus))
1229                                 dev_warn(chip->card->dev,
1230                                          "Cannot lock devices!\n");
1231                 } else {
1232                         snd_hda_unlock_devices(&chip->bus);
1233                         chip->disabled = false;
1234                         pm_runtime_enable(card->dev);
1235                         list_for_each_codec(codec, &chip->bus) {
1236                                 pm_runtime_enable(hda_codec_dev(codec));
1237                                 pm_runtime_resume(hda_codec_dev(codec));
1238                         }
1239                 }
1240         }
1241 }
1242
1243 static bool azx_vs_can_switch(struct pci_dev *pci)
1244 {
1245         struct snd_card *card = pci_get_drvdata(pci);
1246         struct azx *chip = card->private_data;
1247         struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1248
1249         wait_for_completion(&hda->probe_wait);
1250         if (hda->init_failed)
1251                 return false;
1252         if (chip->disabled || !hda->probe_continued)
1253                 return true;
1254         if (snd_hda_lock_devices(&chip->bus))
1255                 return false;
1256         snd_hda_unlock_devices(&chip->bus);
1257         return true;
1258 }
1259
1260 /*
1261  * The discrete GPU cannot power down unless the HDA controller runtime
1262  * suspends, so activate runtime PM on codecs even if power_save == 0.
1263  */
1264 static void setup_vga_switcheroo_runtime_pm(struct azx *chip)
1265 {
1266         struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1267         struct hda_codec *codec;
1268
1269         if (hda->use_vga_switcheroo && !needs_eld_notify_link(chip)) {
1270                 list_for_each_codec(codec, &chip->bus)
1271                         codec->auto_runtime_pm = 1;
1272                 /* reset the power save setup */
1273                 if (chip->running)
1274                         set_default_power_save(chip);
1275         }
1276 }
1277
1278 static void azx_vs_gpu_bound(struct pci_dev *pci,
1279                              enum vga_switcheroo_client_id client_id)
1280 {
1281         struct snd_card *card = pci_get_drvdata(pci);
1282         struct azx *chip = card->private_data;
1283
1284         if (client_id == VGA_SWITCHEROO_DIS)
1285                 chip->bus.keep_power = 0;
1286         setup_vga_switcheroo_runtime_pm(chip);
1287 }
1288
1289 static void init_vga_switcheroo(struct azx *chip)
1290 {
1291         struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1292         struct pci_dev *p = get_bound_vga(chip->pci);
1293         struct pci_dev *parent;
1294         if (p) {
1295                 dev_info(chip->card->dev,
1296                          "Handle vga_switcheroo audio client\n");
1297                 hda->use_vga_switcheroo = 1;
1298
1299                 /* cleared in either gpu_bound op or codec probe, or when its
1300                  * upstream port has _PR3 (i.e. dGPU).
1301                  */
1302                 parent = pci_upstream_bridge(p);
1303                 chip->bus.keep_power = parent ? !pci_pr3_present(parent) : 1;
1304                 chip->driver_caps |= AZX_DCAPS_PM_RUNTIME;
1305                 pci_dev_put(p);
1306         }
1307 }
1308
1309 static const struct vga_switcheroo_client_ops azx_vs_ops = {
1310         .set_gpu_state = azx_vs_set_state,
1311         .can_switch = azx_vs_can_switch,
1312         .gpu_bound = azx_vs_gpu_bound,
1313 };
1314
1315 static int register_vga_switcheroo(struct azx *chip)
1316 {
1317         struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1318         struct pci_dev *p;
1319         int err;
1320
1321         if (!hda->use_vga_switcheroo)
1322                 return 0;
1323
1324         p = get_bound_vga(chip->pci);
1325         err = vga_switcheroo_register_audio_client(chip->pci, &azx_vs_ops, p);
1326         pci_dev_put(p);
1327
1328         if (err < 0)
1329                 return err;
1330         hda->vga_switcheroo_registered = 1;
1331
1332         return 0;
1333 }
1334 #else
1335 #define init_vga_switcheroo(chip)               /* NOP */
1336 #define register_vga_switcheroo(chip)           0
1337 #define check_hdmi_disabled(pci)        false
1338 #define setup_vga_switcheroo_runtime_pm(chip)   /* NOP */
1339 #endif /* SUPPORT_VGA_SWITCHER */
1340
1341 /*
1342  * destructor
1343  */
1344 static void azx_free(struct azx *chip)
1345 {
1346         struct pci_dev *pci = chip->pci;
1347         struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1348         struct hdac_bus *bus = azx_bus(chip);
1349
1350         if (hda->freed)
1351                 return;
1352
1353         if (azx_has_pm_runtime(chip) && chip->running)
1354                 pm_runtime_get_noresume(&pci->dev);
1355         chip->running = 0;
1356
1357         azx_del_card_list(chip);
1358
1359         hda->init_failed = 1; /* to be sure */
1360         complete_all(&hda->probe_wait);
1361
1362         if (use_vga_switcheroo(hda)) {
1363                 if (chip->disabled && hda->probe_continued)
1364                         snd_hda_unlock_devices(&chip->bus);
1365                 if (hda->vga_switcheroo_registered)
1366                         vga_switcheroo_unregister_client(chip->pci);
1367         }
1368
1369         if (bus->chip_init) {
1370                 azx_clear_irq_pending(chip);
1371                 azx_stop_all_streams(chip);
1372                 azx_stop_chip(chip);
1373         }
1374
1375         if (bus->irq >= 0)
1376                 free_irq(bus->irq, (void*)chip);
1377
1378         azx_free_stream_pages(chip);
1379         azx_free_streams(chip);
1380         snd_hdac_bus_exit(bus);
1381
1382 #ifdef CONFIG_SND_HDA_PATCH_LOADER
1383         release_firmware(chip->fw);
1384 #endif
1385         display_power(chip, false);
1386
1387         if (chip->driver_caps & AZX_DCAPS_I915_COMPONENT)
1388                 snd_hdac_i915_exit(bus);
1389
1390         hda->freed = 1;
1391 }
1392
1393 static int azx_dev_disconnect(struct snd_device *device)
1394 {
1395         struct azx *chip = device->device_data;
1396         struct hdac_bus *bus = azx_bus(chip);
1397
1398         chip->bus.shutdown = 1;
1399         cancel_work_sync(&bus->unsol_work);
1400
1401         return 0;
1402 }
1403
1404 static int azx_dev_free(struct snd_device *device)
1405 {
1406         azx_free(device->device_data);
1407         return 0;
1408 }
1409
1410 #ifdef SUPPORT_VGA_SWITCHEROO
1411 #ifdef CONFIG_ACPI
1412 /* ATPX is in the integrated GPU's namespace */
1413 static bool atpx_present(void)
1414 {
1415         struct pci_dev *pdev = NULL;
1416         acpi_handle dhandle, atpx_handle;
1417         acpi_status status;
1418
1419         while ((pdev = pci_get_class(PCI_CLASS_DISPLAY_VGA << 8, pdev)) != NULL) {
1420                 dhandle = ACPI_HANDLE(&pdev->dev);
1421                 if (dhandle) {
1422                         status = acpi_get_handle(dhandle, "ATPX", &atpx_handle);
1423                         if (ACPI_SUCCESS(status)) {
1424                                 pci_dev_put(pdev);
1425                                 return true;
1426                         }
1427                 }
1428         }
1429         while ((pdev = pci_get_class(PCI_CLASS_DISPLAY_OTHER << 8, pdev)) != NULL) {
1430                 dhandle = ACPI_HANDLE(&pdev->dev);
1431                 if (dhandle) {
1432                         status = acpi_get_handle(dhandle, "ATPX", &atpx_handle);
1433                         if (ACPI_SUCCESS(status)) {
1434                                 pci_dev_put(pdev);
1435                                 return true;
1436                         }
1437                 }
1438         }
1439         return false;
1440 }
1441 #else
1442 static bool atpx_present(void)
1443 {
1444         return false;
1445 }
1446 #endif
1447
1448 /*
1449  * Check of disabled HDMI controller by vga_switcheroo
1450  */
1451 static struct pci_dev *get_bound_vga(struct pci_dev *pci)
1452 {
1453         struct pci_dev *p;
1454
1455         /* check only discrete GPU */
1456         switch (pci->vendor) {
1457         case PCI_VENDOR_ID_ATI:
1458         case PCI_VENDOR_ID_AMD:
1459                 if (pci->devfn == 1) {
1460                         p = pci_get_domain_bus_and_slot(pci_domain_nr(pci->bus),
1461                                                         pci->bus->number, 0);
1462                         if (p) {
1463                                 /* ATPX is in the integrated GPU's ACPI namespace
1464                                  * rather than the dGPU's namespace. However,
1465                                  * the dGPU is the one who is involved in
1466                                  * vgaswitcheroo.
1467                                  */
1468                                 if (((p->class >> 16) == PCI_BASE_CLASS_DISPLAY) &&
1469                                     atpx_present())
1470                                         return p;
1471                                 pci_dev_put(p);
1472                         }
1473                 }
1474                 break;
1475         case PCI_VENDOR_ID_NVIDIA:
1476                 if (pci->devfn == 1) {
1477                         p = pci_get_domain_bus_and_slot(pci_domain_nr(pci->bus),
1478                                                         pci->bus->number, 0);
1479                         if (p) {
1480                                 if ((p->class >> 16) == PCI_BASE_CLASS_DISPLAY)
1481                                         return p;
1482                                 pci_dev_put(p);
1483                         }
1484                 }
1485                 break;
1486         }
1487         return NULL;
1488 }
1489
1490 static bool check_hdmi_disabled(struct pci_dev *pci)
1491 {
1492         bool vga_inactive = false;
1493         struct pci_dev *p = get_bound_vga(pci);
1494
1495         if (p) {
1496                 if (vga_switcheroo_get_client_state(p) == VGA_SWITCHEROO_OFF)
1497                         vga_inactive = true;
1498                 pci_dev_put(p);
1499         }
1500         return vga_inactive;
1501 }
1502 #endif /* SUPPORT_VGA_SWITCHEROO */
1503
1504 /*
1505  * allow/deny-listing for position_fix
1506  */
1507 static const struct snd_pci_quirk position_fix_list[] = {
1508         SND_PCI_QUIRK(0x1028, 0x01cc, "Dell D820", POS_FIX_LPIB),
1509         SND_PCI_QUIRK(0x1028, 0x01de, "Dell Precision 390", POS_FIX_LPIB),
1510         SND_PCI_QUIRK(0x103c, 0x306d, "HP dv3", POS_FIX_LPIB),
1511         SND_PCI_QUIRK(0x1043, 0x813d, "ASUS P5AD2", POS_FIX_LPIB),
1512         SND_PCI_QUIRK(0x1043, 0x81b3, "ASUS", POS_FIX_LPIB),
1513         SND_PCI_QUIRK(0x1043, 0x81e7, "ASUS M2V", POS_FIX_LPIB),
1514         SND_PCI_QUIRK(0x104d, 0x9069, "Sony VPCS11V9E", POS_FIX_LPIB),
1515         SND_PCI_QUIRK(0x10de, 0xcb89, "Macbook Pro 7,1", POS_FIX_LPIB),
1516         SND_PCI_QUIRK(0x1297, 0x3166, "Shuttle", POS_FIX_LPIB),
1517         SND_PCI_QUIRK(0x1458, 0xa022, "ga-ma770-ud3", POS_FIX_LPIB),
1518         SND_PCI_QUIRK(0x1462, 0x1002, "MSI Wind U115", POS_FIX_LPIB),
1519         SND_PCI_QUIRK(0x1565, 0x8218, "Biostar Microtech", POS_FIX_LPIB),
1520         SND_PCI_QUIRK(0x1849, 0x0888, "775Dual-VSTA", POS_FIX_LPIB),
1521         SND_PCI_QUIRK(0x8086, 0x2503, "DG965OT AAD63733-203", POS_FIX_LPIB),
1522         {}
1523 };
1524
1525 static int check_position_fix(struct azx *chip, int fix)
1526 {
1527         const struct snd_pci_quirk *q;
1528
1529         switch (fix) {
1530         case POS_FIX_AUTO:
1531         case POS_FIX_LPIB:
1532         case POS_FIX_POSBUF:
1533         case POS_FIX_VIACOMBO:
1534         case POS_FIX_COMBO:
1535         case POS_FIX_SKL:
1536         case POS_FIX_FIFO:
1537                 return fix;
1538         }
1539
1540         q = snd_pci_quirk_lookup(chip->pci, position_fix_list);
1541         if (q) {
1542                 dev_info(chip->card->dev,
1543                          "position_fix set to %d for device %04x:%04x\n",
1544                          q->value, q->subvendor, q->subdevice);
1545                 return q->value;
1546         }
1547
1548         /* Check VIA/ATI HD Audio Controller exist */
1549         if (chip->driver_type == AZX_DRIVER_VIA) {
1550                 dev_dbg(chip->card->dev, "Using VIACOMBO position fix\n");
1551                 return POS_FIX_VIACOMBO;
1552         }
1553         if (chip->driver_caps & AZX_DCAPS_AMD_WORKAROUND) {
1554                 dev_dbg(chip->card->dev, "Using FIFO position fix\n");
1555                 return POS_FIX_FIFO;
1556         }
1557         if (chip->driver_caps & AZX_DCAPS_POSFIX_LPIB) {
1558                 dev_dbg(chip->card->dev, "Using LPIB position fix\n");
1559                 return POS_FIX_LPIB;
1560         }
1561         if (chip->driver_type == AZX_DRIVER_SKL) {
1562                 dev_dbg(chip->card->dev, "Using SKL position fix\n");
1563                 return POS_FIX_SKL;
1564         }
1565         return POS_FIX_AUTO;
1566 }
1567
1568 static void assign_position_fix(struct azx *chip, int fix)
1569 {
1570         static const azx_get_pos_callback_t callbacks[] = {
1571                 [POS_FIX_AUTO] = NULL,
1572                 [POS_FIX_LPIB] = azx_get_pos_lpib,
1573                 [POS_FIX_POSBUF] = azx_get_pos_posbuf,
1574                 [POS_FIX_VIACOMBO] = azx_via_get_position,
1575                 [POS_FIX_COMBO] = azx_get_pos_lpib,
1576                 [POS_FIX_SKL] = azx_get_pos_skl,
1577                 [POS_FIX_FIFO] = azx_get_pos_fifo,
1578         };
1579
1580         chip->get_position[0] = chip->get_position[1] = callbacks[fix];
1581
1582         /* combo mode uses LPIB only for playback */
1583         if (fix == POS_FIX_COMBO)
1584                 chip->get_position[1] = NULL;
1585
1586         if ((fix == POS_FIX_POSBUF || fix == POS_FIX_SKL) &&
1587             (chip->driver_caps & AZX_DCAPS_COUNT_LPIB_DELAY)) {
1588                 chip->get_delay[0] = chip->get_delay[1] =
1589                         azx_get_delay_from_lpib;
1590         }
1591
1592         if (fix == POS_FIX_FIFO)
1593                 chip->get_delay[0] = chip->get_delay[1] =
1594                         azx_get_delay_from_fifo;
1595 }
1596
1597 /*
1598  * deny-lists for probe_mask
1599  */
1600 static const struct snd_pci_quirk probe_mask_list[] = {
1601         /* Thinkpad often breaks the controller communication when accessing
1602          * to the non-working (or non-existing) modem codec slot.
1603          */
1604         SND_PCI_QUIRK(0x1014, 0x05b7, "Thinkpad Z60", 0x01),
1605         SND_PCI_QUIRK(0x17aa, 0x2010, "Thinkpad X/T/R60", 0x01),
1606         SND_PCI_QUIRK(0x17aa, 0x20ac, "Thinkpad X/T/R61", 0x01),
1607         /* broken BIOS */
1608         SND_PCI_QUIRK(0x1028, 0x20ac, "Dell Studio Desktop", 0x01),
1609         /* including bogus ALC268 in slot#2 that conflicts with ALC888 */
1610         SND_PCI_QUIRK(0x17c0, 0x4085, "Medion MD96630", 0x01),
1611         /* forced codec slots */
1612         SND_PCI_QUIRK(0x1043, 0x1262, "ASUS W5Fm", 0x103),
1613         SND_PCI_QUIRK(0x1046, 0x1262, "ASUS W5F", 0x103),
1614         /* WinFast VP200 H (Teradici) user reported broken communication */
1615         SND_PCI_QUIRK(0x3a21, 0x040d, "WinFast VP200 H", 0x101),
1616         {}
1617 };
1618
1619 #define AZX_FORCE_CODEC_MASK    0x100
1620
1621 static void check_probe_mask(struct azx *chip, int dev)
1622 {
1623         const struct snd_pci_quirk *q;
1624
1625         chip->codec_probe_mask = probe_mask[dev];
1626         if (chip->codec_probe_mask == -1) {
1627                 q = snd_pci_quirk_lookup(chip->pci, probe_mask_list);
1628                 if (q) {
1629                         dev_info(chip->card->dev,
1630                                  "probe_mask set to 0x%x for device %04x:%04x\n",
1631                                  q->value, q->subvendor, q->subdevice);
1632                         chip->codec_probe_mask = q->value;
1633                 }
1634         }
1635
1636         /* check forced option */
1637         if (chip->codec_probe_mask != -1 &&
1638             (chip->codec_probe_mask & AZX_FORCE_CODEC_MASK)) {
1639                 azx_bus(chip)->codec_mask = chip->codec_probe_mask & 0xff;
1640                 dev_info(chip->card->dev, "codec_mask forced to 0x%x\n",
1641                          (int)azx_bus(chip)->codec_mask);
1642         }
1643 }
1644
1645 /*
1646  * allow/deny-list for enable_msi
1647  */
1648 static const struct snd_pci_quirk msi_deny_list[] = {
1649         SND_PCI_QUIRK(0x103c, 0x2191, "HP", 0), /* AMD Hudson */
1650         SND_PCI_QUIRK(0x103c, 0x2192, "HP", 0), /* AMD Hudson */
1651         SND_PCI_QUIRK(0x103c, 0x21f7, "HP", 0), /* AMD Hudson */
1652         SND_PCI_QUIRK(0x103c, 0x21fa, "HP", 0), /* AMD Hudson */
1653         SND_PCI_QUIRK(0x1043, 0x81f2, "ASUS", 0), /* Athlon64 X2 + nvidia */
1654         SND_PCI_QUIRK(0x1043, 0x81f6, "ASUS", 0), /* nvidia */
1655         SND_PCI_QUIRK(0x1043, 0x822d, "ASUS", 0), /* Athlon64 X2 + nvidia MCP55 */
1656         SND_PCI_QUIRK(0x1179, 0xfb44, "Toshiba Satellite C870", 0), /* AMD Hudson */
1657         SND_PCI_QUIRK(0x1849, 0x0888, "ASRock", 0), /* Athlon64 X2 + nvidia */
1658         SND_PCI_QUIRK(0xa0a0, 0x0575, "Aopen MZ915-M", 0), /* ICH6 */
1659         {}
1660 };
1661
1662 static void check_msi(struct azx *chip)
1663 {
1664         const struct snd_pci_quirk *q;
1665
1666         if (enable_msi >= 0) {
1667                 chip->msi = !!enable_msi;
1668                 return;
1669         }
1670         chip->msi = 1;  /* enable MSI as default */
1671         q = snd_pci_quirk_lookup(chip->pci, msi_deny_list);
1672         if (q) {
1673                 dev_info(chip->card->dev,
1674                          "msi for device %04x:%04x set to %d\n",
1675                          q->subvendor, q->subdevice, q->value);
1676                 chip->msi = q->value;
1677                 return;
1678         }
1679
1680         /* NVidia chipsets seem to cause troubles with MSI */
1681         if (chip->driver_caps & AZX_DCAPS_NO_MSI) {
1682                 dev_info(chip->card->dev, "Disabling MSI\n");
1683                 chip->msi = 0;
1684         }
1685 }
1686
1687 /* check the snoop mode availability */
1688 static void azx_check_snoop_available(struct azx *chip)
1689 {
1690         int snoop = hda_snoop;
1691
1692         if (snoop >= 0) {
1693                 dev_info(chip->card->dev, "Force to %s mode by module option\n",
1694                          snoop ? "snoop" : "non-snoop");
1695                 chip->snoop = snoop;
1696                 chip->uc_buffer = !snoop;
1697                 return;
1698         }
1699
1700         snoop = true;
1701         if (azx_get_snoop_type(chip) == AZX_SNOOP_TYPE_NONE &&
1702             chip->driver_type == AZX_DRIVER_VIA) {
1703                 /* force to non-snoop mode for a new VIA controller
1704                  * when BIOS is set
1705                  */
1706                 u8 val;
1707                 pci_read_config_byte(chip->pci, 0x42, &val);
1708                 if (!(val & 0x80) && (chip->pci->revision == 0x30 ||
1709                                       chip->pci->revision == 0x20))
1710                         snoop = false;
1711         }
1712
1713         if (chip->driver_caps & AZX_DCAPS_SNOOP_OFF)
1714                 snoop = false;
1715
1716         chip->snoop = snoop;
1717         if (!snoop) {
1718                 dev_info(chip->card->dev, "Force to non-snoop mode\n");
1719                 /* C-Media requires non-cached pages only for CORB/RIRB */
1720                 if (chip->driver_type != AZX_DRIVER_CMEDIA)
1721                         chip->uc_buffer = true;
1722         }
1723 }
1724
1725 static void azx_probe_work(struct work_struct *work)
1726 {
1727         struct hda_intel *hda = container_of(work, struct hda_intel, probe_work.work);
1728         azx_probe_continue(&hda->chip);
1729 }
1730
1731 static int default_bdl_pos_adj(struct azx *chip)
1732 {
1733         /* some exceptions: Atoms seem problematic with value 1 */
1734         if (chip->pci->vendor == PCI_VENDOR_ID_INTEL) {
1735                 switch (chip->pci->device) {
1736                 case 0x0f04: /* Baytrail */
1737                 case 0x2284: /* Braswell */
1738                         return 32;
1739                 }
1740         }
1741
1742         switch (chip->driver_type) {
1743         case AZX_DRIVER_ICH:
1744         case AZX_DRIVER_PCH:
1745                 return 1;
1746         default:
1747                 return 32;
1748         }
1749 }
1750
1751 /*
1752  * constructor
1753  */
1754 static const struct hda_controller_ops pci_hda_ops;
1755
1756 static int azx_create(struct snd_card *card, struct pci_dev *pci,
1757                       int dev, unsigned int driver_caps,
1758                       struct azx **rchip)
1759 {
1760         static const struct snd_device_ops ops = {
1761                 .dev_disconnect = azx_dev_disconnect,
1762                 .dev_free = azx_dev_free,
1763         };
1764         struct hda_intel *hda;
1765         struct azx *chip;
1766         int err;
1767
1768         *rchip = NULL;
1769
1770         err = pcim_enable_device(pci);
1771         if (err < 0)
1772                 return err;
1773
1774         hda = devm_kzalloc(&pci->dev, sizeof(*hda), GFP_KERNEL);
1775         if (!hda)
1776                 return -ENOMEM;
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                 return err;
1814
1815         /* use the non-cached pages in non-snoop mode */
1816         if (!azx_snoop(chip))
1817                 azx_bus(chip)->dma_type = SNDRV_DMA_TYPE_DEV_WC;
1818
1819         if (chip->driver_type == AZX_DRIVER_NVIDIA) {
1820                 dev_dbg(chip->card->dev, "Enable delay in RIRB handling\n");
1821                 chip->bus.core.needs_damn_long_delay = 1;
1822         }
1823
1824         err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
1825         if (err < 0) {
1826                 dev_err(card->dev, "Error creating device [card]!\n");
1827                 azx_free(chip);
1828                 return err;
1829         }
1830
1831         /* continue probing in work context as may trigger request module */
1832         INIT_DELAYED_WORK(&hda->probe_work, azx_probe_work);
1833
1834         *rchip = chip;
1835
1836         return 0;
1837 }
1838
1839 static int azx_first_init(struct azx *chip)
1840 {
1841         int dev = chip->dev_index;
1842         struct pci_dev *pci = chip->pci;
1843         struct snd_card *card = chip->card;
1844         struct hdac_bus *bus = azx_bus(chip);
1845         int err;
1846         unsigned short gcap;
1847         unsigned int dma_bits = 64;
1848
1849 #if BITS_PER_LONG != 64
1850         /* Fix up base address on ULI M5461 */
1851         if (chip->driver_type == AZX_DRIVER_ULI) {
1852                 u16 tmp3;
1853                 pci_read_config_word(pci, 0x40, &tmp3);
1854                 pci_write_config_word(pci, 0x40, tmp3 | 0x10);
1855                 pci_write_config_dword(pci, PCI_BASE_ADDRESS_1, 0);
1856         }
1857 #endif
1858
1859         err = pcim_iomap_regions(pci, 1 << 0, "ICH HD audio");
1860         if (err < 0)
1861                 return err;
1862
1863         bus->addr = pci_resource_start(pci, 0);
1864         bus->remap_addr = pcim_iomap_table(pci)[0];
1865
1866         if (chip->driver_type == AZX_DRIVER_SKL)
1867                 snd_hdac_bus_parse_capabilities(bus);
1868
1869         /*
1870          * Some Intel CPUs has always running timer (ART) feature and
1871          * controller may have Global time sync reporting capability, so
1872          * check both of these before declaring synchronized time reporting
1873          * capability SNDRV_PCM_INFO_HAS_LINK_SYNCHRONIZED_ATIME
1874          */
1875         chip->gts_present = false;
1876
1877 #ifdef CONFIG_X86
1878         if (bus->ppcap && boot_cpu_has(X86_FEATURE_ART))
1879                 chip->gts_present = true;
1880 #endif
1881
1882         if (chip->msi) {
1883                 if (chip->driver_caps & AZX_DCAPS_NO_MSI64) {
1884                         dev_dbg(card->dev, "Disabling 64bit MSI\n");
1885                         pci->no_64bit_msi = true;
1886                 }
1887                 if (pci_enable_msi(pci) < 0)
1888                         chip->msi = 0;
1889         }
1890
1891         pci_set_master(pci);
1892
1893         gcap = azx_readw(chip, GCAP);
1894         dev_dbg(card->dev, "chipset global capabilities = 0x%x\n", gcap);
1895
1896         /* AMD devices support 40 or 48bit DMA, take the safe one */
1897         if (chip->pci->vendor == PCI_VENDOR_ID_AMD)
1898                 dma_bits = 40;
1899
1900         /* disable SB600 64bit support for safety */
1901         if (chip->pci->vendor == PCI_VENDOR_ID_ATI) {
1902                 struct pci_dev *p_smbus;
1903                 dma_bits = 40;
1904                 p_smbus = pci_get_device(PCI_VENDOR_ID_ATI,
1905                                          PCI_DEVICE_ID_ATI_SBX00_SMBUS,
1906                                          NULL);
1907                 if (p_smbus) {
1908                         if (p_smbus->revision < 0x30)
1909                                 gcap &= ~AZX_GCAP_64OK;
1910                         pci_dev_put(p_smbus);
1911                 }
1912         }
1913
1914         /* NVidia hardware normally only supports up to 40 bits of DMA */
1915         if (chip->pci->vendor == PCI_VENDOR_ID_NVIDIA)
1916                 dma_bits = 40;
1917
1918         /* disable 64bit DMA address on some devices */
1919         if (chip->driver_caps & AZX_DCAPS_NO_64BIT) {
1920                 dev_dbg(card->dev, "Disabling 64bit DMA\n");
1921                 gcap &= ~AZX_GCAP_64OK;
1922         }
1923
1924         /* disable buffer size rounding to 128-byte multiples if supported */
1925         if (align_buffer_size >= 0)
1926                 chip->align_buffer_size = !!align_buffer_size;
1927         else {
1928                 if (chip->driver_caps & AZX_DCAPS_NO_ALIGN_BUFSIZE)
1929                         chip->align_buffer_size = 0;
1930                 else
1931                         chip->align_buffer_size = 1;
1932         }
1933
1934         /* allow 64bit DMA address if supported by H/W */
1935         if (!(gcap & AZX_GCAP_64OK))
1936                 dma_bits = 32;
1937         if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(dma_bits)))
1938                 dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(32));
1939
1940         /* read number of streams from GCAP register instead of using
1941          * hardcoded value
1942          */
1943         chip->capture_streams = (gcap >> 8) & 0x0f;
1944         chip->playback_streams = (gcap >> 12) & 0x0f;
1945         if (!chip->playback_streams && !chip->capture_streams) {
1946                 /* gcap didn't give any info, switching to old method */
1947
1948                 switch (chip->driver_type) {
1949                 case AZX_DRIVER_ULI:
1950                         chip->playback_streams = ULI_NUM_PLAYBACK;
1951                         chip->capture_streams = ULI_NUM_CAPTURE;
1952                         break;
1953                 case AZX_DRIVER_ATIHDMI:
1954                 case AZX_DRIVER_ATIHDMI_NS:
1955                         chip->playback_streams = ATIHDMI_NUM_PLAYBACK;
1956                         chip->capture_streams = ATIHDMI_NUM_CAPTURE;
1957                         break;
1958                 case AZX_DRIVER_GENERIC:
1959                 default:
1960                         chip->playback_streams = ICH6_NUM_PLAYBACK;
1961                         chip->capture_streams = ICH6_NUM_CAPTURE;
1962                         break;
1963                 }
1964         }
1965         chip->capture_index_offset = 0;
1966         chip->playback_index_offset = chip->capture_streams;
1967         chip->num_streams = chip->playback_streams + chip->capture_streams;
1968
1969         /* sanity check for the SDxCTL.STRM field overflow */
1970         if (chip->num_streams > 15 &&
1971             (chip->driver_caps & AZX_DCAPS_SEPARATE_STREAM_TAG) == 0) {
1972                 dev_warn(chip->card->dev, "number of I/O streams is %d, "
1973                          "forcing separate stream tags", chip->num_streams);
1974                 chip->driver_caps |= AZX_DCAPS_SEPARATE_STREAM_TAG;
1975         }
1976
1977         /* initialize streams */
1978         err = azx_init_streams(chip);
1979         if (err < 0)
1980                 return err;
1981
1982         err = azx_alloc_stream_pages(chip);
1983         if (err < 0)
1984                 return err;
1985
1986         /* initialize chip */
1987         azx_init_pci(chip);
1988
1989         snd_hdac_i915_set_bclk(bus);
1990
1991         hda_intel_init_chip(chip, (probe_only[dev] & 2) == 0);
1992
1993         /* codec detection */
1994         if (!azx_bus(chip)->codec_mask) {
1995                 dev_err(card->dev, "no codecs found!\n");
1996                 /* keep running the rest for the runtime PM */
1997         }
1998
1999         if (azx_acquire_irq(chip, 0) < 0)
2000                 return -EBUSY;
2001
2002         strcpy(card->driver, "HDA-Intel");
2003         strscpy(card->shortname, driver_short_names[chip->driver_type],
2004                 sizeof(card->shortname));
2005         snprintf(card->longname, sizeof(card->longname),
2006                  "%s at 0x%lx irq %i",
2007                  card->shortname, bus->addr, bus->irq);
2008
2009         return 0;
2010 }
2011
2012 #ifdef CONFIG_SND_HDA_PATCH_LOADER
2013 /* callback from request_firmware_nowait() */
2014 static void azx_firmware_cb(const struct firmware *fw, void *context)
2015 {
2016         struct snd_card *card = context;
2017         struct azx *chip = card->private_data;
2018
2019         if (fw)
2020                 chip->fw = fw;
2021         else
2022                 dev_err(card->dev, "Cannot load firmware, continue without patching\n");
2023         if (!chip->disabled) {
2024                 /* continue probing */
2025                 azx_probe_continue(chip);
2026         }
2027 }
2028 #endif
2029
2030 static int disable_msi_reset_irq(struct azx *chip)
2031 {
2032         struct hdac_bus *bus = azx_bus(chip);
2033         int err;
2034
2035         free_irq(bus->irq, chip);
2036         bus->irq = -1;
2037         chip->card->sync_irq = -1;
2038         pci_disable_msi(chip->pci);
2039         chip->msi = 0;
2040         err = azx_acquire_irq(chip, 1);
2041         if (err < 0)
2042                 return err;
2043
2044         return 0;
2045 }
2046
2047 /* Denylist for skipping the whole probe:
2048  * some HD-audio PCI entries are exposed without any codecs, and such devices
2049  * should be ignored from the beginning.
2050  */
2051 static const struct pci_device_id driver_denylist[] = {
2052         { PCI_DEVICE_SUB(0x1022, 0x1487, 0x1043, 0x874f) }, /* ASUS ROG Zenith II / Strix */
2053         { PCI_DEVICE_SUB(0x1022, 0x1487, 0x1462, 0xcb59) }, /* MSI TRX40 Creator */
2054         { PCI_DEVICE_SUB(0x1022, 0x1487, 0x1462, 0xcb60) }, /* MSI TRX40 */
2055         {}
2056 };
2057
2058 static const struct hda_controller_ops pci_hda_ops = {
2059         .disable_msi_reset_irq = disable_msi_reset_irq,
2060         .position_check = azx_position_check,
2061 };
2062
2063 static int azx_probe(struct pci_dev *pci,
2064                      const struct pci_device_id *pci_id)
2065 {
2066         static int dev;
2067         struct snd_card *card;
2068         struct hda_intel *hda;
2069         struct azx *chip;
2070         bool schedule_probe;
2071         int err;
2072
2073         if (pci_match_id(driver_denylist, pci)) {
2074                 dev_info(&pci->dev, "Skipping the device on the denylist\n");
2075                 return -ENODEV;
2076         }
2077
2078         if (dev >= SNDRV_CARDS)
2079                 return -ENODEV;
2080         if (!enable[dev]) {
2081                 dev++;
2082                 return -ENOENT;
2083         }
2084
2085         /*
2086          * stop probe if another Intel's DSP driver should be activated
2087          */
2088         if (dmic_detect) {
2089                 err = snd_intel_dsp_driver_probe(pci);
2090                 if (err != SND_INTEL_DSP_DRIVER_ANY && err != SND_INTEL_DSP_DRIVER_LEGACY) {
2091                         dev_dbg(&pci->dev, "HDAudio driver not selected, aborting probe\n");
2092                         return -ENODEV;
2093                 }
2094         } else {
2095                 dev_warn(&pci->dev, "dmic_detect option is deprecated, pass snd-intel-dspcfg.dsp_driver=1 option instead\n");
2096         }
2097
2098         err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2099                            0, &card);
2100         if (err < 0) {
2101                 dev_err(&pci->dev, "Error creating card!\n");
2102                 return err;
2103         }
2104
2105         err = azx_create(card, pci, dev, pci_id->driver_data, &chip);
2106         if (err < 0)
2107                 goto out_free;
2108         card->private_data = chip;
2109         hda = container_of(chip, struct hda_intel, chip);
2110
2111         pci_set_drvdata(pci, card);
2112
2113         err = register_vga_switcheroo(chip);
2114         if (err < 0) {
2115                 dev_err(card->dev, "Error registering vga_switcheroo client\n");
2116                 goto out_free;
2117         }
2118
2119         if (check_hdmi_disabled(pci)) {
2120                 dev_info(card->dev, "VGA controller is disabled\n");
2121                 dev_info(card->dev, "Delaying initialization\n");
2122                 chip->disabled = true;
2123         }
2124
2125         schedule_probe = !chip->disabled;
2126
2127 #ifdef CONFIG_SND_HDA_PATCH_LOADER
2128         if (patch[dev] && *patch[dev]) {
2129                 dev_info(card->dev, "Applying patch firmware '%s'\n",
2130                          patch[dev]);
2131                 err = request_firmware_nowait(THIS_MODULE, true, patch[dev],
2132                                               &pci->dev, GFP_KERNEL, card,
2133                                               azx_firmware_cb);
2134                 if (err < 0)
2135                         goto out_free;
2136                 schedule_probe = false; /* continued in azx_firmware_cb() */
2137         }
2138 #endif /* CONFIG_SND_HDA_PATCH_LOADER */
2139
2140 #ifndef CONFIG_SND_HDA_I915
2141         if (CONTROLLER_IN_GPU(pci))
2142                 dev_err(card->dev, "Haswell/Broadwell HDMI/DP must build in CONFIG_SND_HDA_I915\n");
2143 #endif
2144
2145         if (schedule_probe)
2146                 schedule_delayed_work(&hda->probe_work, 0);
2147
2148         dev++;
2149         if (chip->disabled)
2150                 complete_all(&hda->probe_wait);
2151         return 0;
2152
2153 out_free:
2154         snd_card_free(card);
2155         return err;
2156 }
2157
2158 #ifdef CONFIG_PM
2159 /* On some boards setting power_save to a non 0 value leads to clicking /
2160  * popping sounds when ever we enter/leave powersaving mode. Ideally we would
2161  * figure out how to avoid these sounds, but that is not always feasible.
2162  * So we keep a list of devices where we disable powersaving as its known
2163  * to causes problems on these devices.
2164  */
2165 static const struct snd_pci_quirk power_save_denylist[] = {
2166         /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */
2167         SND_PCI_QUIRK(0x1849, 0xc892, "Asrock B85M-ITX", 0),
2168         /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */
2169         SND_PCI_QUIRK(0x1849, 0x0397, "Asrock N68C-S UCC", 0),
2170         /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */
2171         SND_PCI_QUIRK(0x1849, 0x7662, "Asrock H81M-HDS", 0),
2172         /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */
2173         SND_PCI_QUIRK(0x1043, 0x8733, "Asus Prime X370-Pro", 0),
2174         /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */
2175         SND_PCI_QUIRK(0x1028, 0x0497, "Dell Precision T3600", 0),
2176         /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */
2177         /* Note the P55A-UD3 and Z87-D3HP share the subsys id for the HDA dev */
2178         SND_PCI_QUIRK(0x1458, 0xa002, "Gigabyte P55A-UD3 / Z87-D3HP", 0),
2179         /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */
2180         SND_PCI_QUIRK(0x8086, 0x2040, "Intel DZ77BH-55K", 0),
2181         /* https://bugzilla.kernel.org/show_bug.cgi?id=199607 */
2182         SND_PCI_QUIRK(0x8086, 0x2057, "Intel NUC5i7RYB", 0),
2183         /* https://bugs.launchpad.net/bugs/1821663 */
2184         SND_PCI_QUIRK(0x8086, 0x2064, "Intel SDP 8086:2064", 0),
2185         /* https://bugzilla.redhat.com/show_bug.cgi?id=1520902 */
2186         SND_PCI_QUIRK(0x8086, 0x2068, "Intel NUC7i3BNB", 0),
2187         /* https://bugzilla.kernel.org/show_bug.cgi?id=198611 */
2188         SND_PCI_QUIRK(0x17aa, 0x2227, "Lenovo X1 Carbon 3rd Gen", 0),
2189         /* https://bugzilla.redhat.com/show_bug.cgi?id=1689623 */
2190         SND_PCI_QUIRK(0x17aa, 0x367b, "Lenovo IdeaCentre B550", 0),
2191         /* https://bugzilla.redhat.com/show_bug.cgi?id=1572975 */
2192         SND_PCI_QUIRK(0x17aa, 0x36a7, "Lenovo C50 All in one", 0),
2193         /* https://bugs.launchpad.net/bugs/1821663 */
2194         SND_PCI_QUIRK(0x1631, 0xe017, "Packard Bell NEC IMEDIA 5204", 0),
2195         {}
2196 };
2197 #endif /* CONFIG_PM */
2198
2199 static void set_default_power_save(struct azx *chip)
2200 {
2201         int val = power_save;
2202
2203 #ifdef CONFIG_PM
2204         if (pm_blacklist) {
2205                 const struct snd_pci_quirk *q;
2206
2207                 q = snd_pci_quirk_lookup(chip->pci, power_save_denylist);
2208                 if (q && val) {
2209                         dev_info(chip->card->dev, "device %04x:%04x is on the power_save denylist, forcing power_save to 0\n",
2210                                  q->subvendor, q->subdevice);
2211                         val = 0;
2212                 }
2213         }
2214 #endif /* CONFIG_PM */
2215         snd_hda_set_power_save(&chip->bus, val * 1000);
2216 }
2217
2218 /* number of codec slots for each chipset: 0 = default slots (i.e. 4) */
2219 static const unsigned int azx_max_codecs[AZX_NUM_DRIVERS] = {
2220         [AZX_DRIVER_NVIDIA] = 8,
2221         [AZX_DRIVER_TERA] = 1,
2222 };
2223
2224 static int azx_probe_continue(struct azx *chip)
2225 {
2226         struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
2227         struct hdac_bus *bus = azx_bus(chip);
2228         struct pci_dev *pci = chip->pci;
2229         int dev = chip->dev_index;
2230         int err;
2231
2232         if (chip->disabled || hda->init_failed)
2233                 return -EIO;
2234         if (hda->probe_retry)
2235                 goto probe_retry;
2236
2237         to_hda_bus(bus)->bus_probing = 1;
2238         hda->probe_continued = 1;
2239
2240         /* bind with i915 if needed */
2241         if (chip->driver_caps & AZX_DCAPS_I915_COMPONENT) {
2242                 err = snd_hdac_i915_init(bus);
2243                 if (err < 0) {
2244                         /* if the controller is bound only with HDMI/DP
2245                          * (for HSW and BDW), we need to abort the probe;
2246                          * for other chips, still continue probing as other
2247                          * codecs can be on the same link.
2248                          */
2249                         if (CONTROLLER_IN_GPU(pci)) {
2250                                 dev_err(chip->card->dev,
2251                                         "HSW/BDW HD-audio HDMI/DP requires binding with gfx driver\n");
2252                                 goto out_free;
2253                         } else {
2254                                 /* don't bother any longer */
2255                                 chip->driver_caps &= ~AZX_DCAPS_I915_COMPONENT;
2256                         }
2257                 }
2258
2259                 /* HSW/BDW controllers need this power */
2260                 if (CONTROLLER_IN_GPU(pci))
2261                         hda->need_i915_power = true;
2262         }
2263
2264         /* Request display power well for the HDA controller or codec. For
2265          * Haswell/Broadwell, both the display HDA controller and codec need
2266          * this power. For other platforms, like Baytrail/Braswell, only the
2267          * display codec needs the power and it can be released after probe.
2268          */
2269         display_power(chip, true);
2270
2271         err = azx_first_init(chip);
2272         if (err < 0)
2273                 goto out_free;
2274
2275 #ifdef CONFIG_SND_HDA_INPUT_BEEP
2276         chip->beep_mode = beep_mode[dev];
2277 #endif
2278
2279         /* create codec instances */
2280         if (bus->codec_mask) {
2281                 err = azx_probe_codecs(chip, azx_max_codecs[chip->driver_type]);
2282                 if (err < 0)
2283                         goto out_free;
2284         }
2285
2286 #ifdef CONFIG_SND_HDA_PATCH_LOADER
2287         if (chip->fw) {
2288                 err = snd_hda_load_patch(&chip->bus, chip->fw->size,
2289                                          chip->fw->data);
2290                 if (err < 0)
2291                         goto out_free;
2292 #ifndef CONFIG_PM
2293                 release_firmware(chip->fw); /* no longer needed */
2294                 chip->fw = NULL;
2295 #endif
2296         }
2297 #endif
2298
2299  probe_retry:
2300         if (bus->codec_mask && !(probe_only[dev] & 1)) {
2301                 err = azx_codec_configure(chip);
2302                 if (err) {
2303                         if ((chip->driver_caps & AZX_DCAPS_RETRY_PROBE) &&
2304                             ++hda->probe_retry < 60) {
2305                                 schedule_delayed_work(&hda->probe_work,
2306                                                       msecs_to_jiffies(1000));
2307                                 return 0; /* keep things up */
2308                         }
2309                         dev_err(chip->card->dev, "Cannot probe codecs, giving up\n");
2310                         goto out_free;
2311                 }
2312         }
2313
2314         err = snd_card_register(chip->card);
2315         if (err < 0)
2316                 goto out_free;
2317
2318         setup_vga_switcheroo_runtime_pm(chip);
2319
2320         chip->running = 1;
2321         azx_add_card_list(chip);
2322
2323         set_default_power_save(chip);
2324
2325         if (azx_has_pm_runtime(chip)) {
2326                 pm_runtime_use_autosuspend(&pci->dev);
2327                 pm_runtime_allow(&pci->dev);
2328                 pm_runtime_put_autosuspend(&pci->dev);
2329         }
2330
2331 out_free:
2332         if (err < 0) {
2333                 azx_free(chip);
2334                 return err;
2335         }
2336
2337         if (!hda->need_i915_power)
2338                 display_power(chip, false);
2339         complete_all(&hda->probe_wait);
2340         to_hda_bus(bus)->bus_probing = 0;
2341         hda->probe_retry = 0;
2342         return 0;
2343 }
2344
2345 static void azx_remove(struct pci_dev *pci)
2346 {
2347         struct snd_card *card = pci_get_drvdata(pci);
2348         struct azx *chip;
2349         struct hda_intel *hda;
2350
2351         if (card) {
2352                 /* cancel the pending probing work */
2353                 chip = card->private_data;
2354                 hda = container_of(chip, struct hda_intel, chip);
2355                 /* FIXME: below is an ugly workaround.
2356                  * Both device_release_driver() and driver_probe_device()
2357                  * take *both* the device's and its parent's lock before
2358                  * calling the remove() and probe() callbacks.  The codec
2359                  * probe takes the locks of both the codec itself and its
2360                  * parent, i.e. the PCI controller dev.  Meanwhile, when
2361                  * the PCI controller is unbound, it takes its lock, too
2362                  * ==> ouch, a deadlock!
2363                  * As a workaround, we unlock temporarily here the controller
2364                  * device during cancel_work_sync() call.
2365                  */
2366                 device_unlock(&pci->dev);
2367                 cancel_delayed_work_sync(&hda->probe_work);
2368                 device_lock(&pci->dev);
2369
2370                 snd_card_free(card);
2371         }
2372 }
2373
2374 static void azx_shutdown(struct pci_dev *pci)
2375 {
2376         struct snd_card *card = pci_get_drvdata(pci);
2377         struct azx *chip;
2378
2379         if (!card)
2380                 return;
2381         chip = card->private_data;
2382         if (chip && chip->running)
2383                 __azx_shutdown_chip(chip, true);
2384 }
2385
2386 /* PCI IDs */
2387 static const struct pci_device_id azx_ids[] = {
2388         /* CPT */
2389         { PCI_DEVICE(0x8086, 0x1c20),
2390           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM },
2391         /* PBG */
2392         { PCI_DEVICE(0x8086, 0x1d20),
2393           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM },
2394         /* Panther Point */
2395         { PCI_DEVICE(0x8086, 0x1e20),
2396           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM },
2397         /* Lynx Point */
2398         { PCI_DEVICE(0x8086, 0x8c20),
2399           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2400         /* 9 Series */
2401         { PCI_DEVICE(0x8086, 0x8ca0),
2402           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2403         /* Wellsburg */
2404         { PCI_DEVICE(0x8086, 0x8d20),
2405           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2406         { PCI_DEVICE(0x8086, 0x8d21),
2407           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2408         /* Lewisburg */
2409         { PCI_DEVICE(0x8086, 0xa1f0),
2410           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE },
2411         { PCI_DEVICE(0x8086, 0xa270),
2412           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE },
2413         /* Lynx Point-LP */
2414         { PCI_DEVICE(0x8086, 0x9c20),
2415           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2416         /* Lynx Point-LP */
2417         { PCI_DEVICE(0x8086, 0x9c21),
2418           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2419         /* Wildcat Point-LP */
2420         { PCI_DEVICE(0x8086, 0x9ca0),
2421           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2422         /* Sunrise Point */
2423         { PCI_DEVICE(0x8086, 0xa170),
2424           .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE },
2425         /* Sunrise Point-LP */
2426         { PCI_DEVICE(0x8086, 0x9d70),
2427           .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE },
2428         /* Kabylake */
2429         { PCI_DEVICE(0x8086, 0xa171),
2430           .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE },
2431         /* Kabylake-LP */
2432         { PCI_DEVICE(0x8086, 0x9d71),
2433           .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE },
2434         /* Kabylake-H */
2435         { PCI_DEVICE(0x8086, 0xa2f0),
2436           .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE },
2437         /* Coffelake */
2438         { PCI_DEVICE(0x8086, 0xa348),
2439           .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
2440         /* Cannonlake */
2441         { PCI_DEVICE(0x8086, 0x9dc8),
2442           .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
2443         /* CometLake-LP */
2444         { PCI_DEVICE(0x8086, 0x02C8),
2445           .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
2446         /* CometLake-H */
2447         { PCI_DEVICE(0x8086, 0x06C8),
2448           .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
2449         { PCI_DEVICE(0x8086, 0xf1c8),
2450           .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
2451         /* CometLake-S */
2452         { PCI_DEVICE(0x8086, 0xa3f0),
2453           .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
2454         /* CometLake-R */
2455         { PCI_DEVICE(0x8086, 0xf0c8),
2456           .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
2457         /* Icelake */
2458         { PCI_DEVICE(0x8086, 0x34c8),
2459           .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
2460         /* Icelake-H */
2461         { PCI_DEVICE(0x8086, 0x3dc8),
2462           .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
2463         /* Jasperlake */
2464         { PCI_DEVICE(0x8086, 0x38c8),
2465           .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
2466         { PCI_DEVICE(0x8086, 0x4dc8),
2467           .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
2468         /* Tigerlake */
2469         { PCI_DEVICE(0x8086, 0xa0c8),
2470           .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
2471         /* Tigerlake-H */
2472         { PCI_DEVICE(0x8086, 0x43c8),
2473           .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
2474         /* DG1 */
2475         { PCI_DEVICE(0x8086, 0x490d),
2476           .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
2477         /* Alderlake-S */
2478         { PCI_DEVICE(0x8086, 0x7ad0),
2479           .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
2480         /* Alderlake-P */
2481         { PCI_DEVICE(0x8086, 0x51c8),
2482           .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
2483         /* Alderlake-M */
2484         { PCI_DEVICE(0x8086, 0x51cc),
2485           .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
2486         /* Elkhart Lake */
2487         { PCI_DEVICE(0x8086, 0x4b55),
2488           .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
2489         { PCI_DEVICE(0x8086, 0x4b58),
2490           .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
2491         /* Broxton-P(Apollolake) */
2492         { PCI_DEVICE(0x8086, 0x5a98),
2493           .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_BROXTON },
2494         /* Broxton-T */
2495         { PCI_DEVICE(0x8086, 0x1a98),
2496           .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_BROXTON },
2497         /* Gemini-Lake */
2498         { PCI_DEVICE(0x8086, 0x3198),
2499           .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_BROXTON },
2500         /* Haswell */
2501         { PCI_DEVICE(0x8086, 0x0a0c),
2502           .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL },
2503         { PCI_DEVICE(0x8086, 0x0c0c),
2504           .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL },
2505         { PCI_DEVICE(0x8086, 0x0d0c),
2506           .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL },
2507         /* Broadwell */
2508         { PCI_DEVICE(0x8086, 0x160c),
2509           .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_BROADWELL },
2510         /* 5 Series/3400 */
2511         { PCI_DEVICE(0x8086, 0x3b56),
2512           .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_NOPM },
2513         /* Poulsbo */
2514         { PCI_DEVICE(0x8086, 0x811b),
2515           .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_BASE },
2516         /* Oaktrail */
2517         { PCI_DEVICE(0x8086, 0x080a),
2518           .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_BASE },
2519         /* BayTrail */
2520         { PCI_DEVICE(0x8086, 0x0f04),
2521           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BAYTRAIL },
2522         /* Braswell */
2523         { PCI_DEVICE(0x8086, 0x2284),
2524           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BRASWELL },
2525         /* ICH6 */
2526         { PCI_DEVICE(0x8086, 0x2668),
2527           .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2528         /* ICH7 */
2529         { PCI_DEVICE(0x8086, 0x27d8),
2530           .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2531         /* ESB2 */
2532         { PCI_DEVICE(0x8086, 0x269a),
2533           .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2534         /* ICH8 */
2535         { PCI_DEVICE(0x8086, 0x284b),
2536           .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2537         /* ICH9 */
2538         { PCI_DEVICE(0x8086, 0x293e),
2539           .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2540         /* ICH9 */
2541         { PCI_DEVICE(0x8086, 0x293f),
2542           .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2543         /* ICH10 */
2544         { PCI_DEVICE(0x8086, 0x3a3e),
2545           .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2546         /* ICH10 */
2547         { PCI_DEVICE(0x8086, 0x3a6e),
2548           .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2549         /* Generic Intel */
2550         { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_ANY_ID),
2551           .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2552           .class_mask = 0xffffff,
2553           .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_NO_ALIGN_BUFSIZE },
2554         /* ATI SB 450/600/700/800/900 */
2555         { PCI_DEVICE(0x1002, 0x437b),
2556           .driver_data = AZX_DRIVER_ATI | AZX_DCAPS_PRESET_ATI_SB },
2557         { PCI_DEVICE(0x1002, 0x4383),
2558           .driver_data = AZX_DRIVER_ATI | AZX_DCAPS_PRESET_ATI_SB },
2559         /* AMD Hudson */
2560         { PCI_DEVICE(0x1022, 0x780d),
2561           .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB },
2562         /* AMD, X370 & co */
2563         { PCI_DEVICE(0x1022, 0x1457),
2564           .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_AMD_SB },
2565         /* AMD, X570 & co */
2566         { PCI_DEVICE(0x1022, 0x1487),
2567           .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_AMD_SB },
2568         /* AMD Stoney */
2569         { PCI_DEVICE(0x1022, 0x157a),
2570           .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB |
2571                          AZX_DCAPS_PM_RUNTIME },
2572         /* AMD Raven */
2573         { PCI_DEVICE(0x1022, 0x15e3),
2574           .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_AMD_SB },
2575         /* ATI HDMI */
2576         { PCI_DEVICE(0x1002, 0x0002),
2577           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2578           AZX_DCAPS_PM_RUNTIME },
2579         { PCI_DEVICE(0x1002, 0x1308),
2580           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2581         { PCI_DEVICE(0x1002, 0x157a),
2582           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2583         { PCI_DEVICE(0x1002, 0x15b3),
2584           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2585         { PCI_DEVICE(0x1002, 0x793b),
2586           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2587         { PCI_DEVICE(0x1002, 0x7919),
2588           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2589         { PCI_DEVICE(0x1002, 0x960f),
2590           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2591         { PCI_DEVICE(0x1002, 0x970f),
2592           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2593         { PCI_DEVICE(0x1002, 0x9840),
2594           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2595         { PCI_DEVICE(0x1002, 0xaa00),
2596           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2597         { PCI_DEVICE(0x1002, 0xaa08),
2598           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2599         { PCI_DEVICE(0x1002, 0xaa10),
2600           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2601         { PCI_DEVICE(0x1002, 0xaa18),
2602           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2603         { PCI_DEVICE(0x1002, 0xaa20),
2604           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2605         { PCI_DEVICE(0x1002, 0xaa28),
2606           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2607         { PCI_DEVICE(0x1002, 0xaa30),
2608           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2609         { PCI_DEVICE(0x1002, 0xaa38),
2610           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2611         { PCI_DEVICE(0x1002, 0xaa40),
2612           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2613         { PCI_DEVICE(0x1002, 0xaa48),
2614           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2615         { PCI_DEVICE(0x1002, 0xaa50),
2616           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2617         { PCI_DEVICE(0x1002, 0xaa58),
2618           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2619         { PCI_DEVICE(0x1002, 0xaa60),
2620           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2621         { PCI_DEVICE(0x1002, 0xaa68),
2622           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2623         { PCI_DEVICE(0x1002, 0xaa80),
2624           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2625         { PCI_DEVICE(0x1002, 0xaa88),
2626           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2627         { PCI_DEVICE(0x1002, 0xaa90),
2628           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2629         { PCI_DEVICE(0x1002, 0xaa98),
2630           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2631         { PCI_DEVICE(0x1002, 0x9902),
2632           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2633         { PCI_DEVICE(0x1002, 0xaaa0),
2634           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2635         { PCI_DEVICE(0x1002, 0xaaa8),
2636           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2637         { PCI_DEVICE(0x1002, 0xaab0),
2638           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2639         { PCI_DEVICE(0x1002, 0xaac0),
2640           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2641           AZX_DCAPS_PM_RUNTIME },
2642         { PCI_DEVICE(0x1002, 0xaac8),
2643           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2644           AZX_DCAPS_PM_RUNTIME },
2645         { PCI_DEVICE(0x1002, 0xaad8),
2646           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2647           AZX_DCAPS_PM_RUNTIME },
2648         { PCI_DEVICE(0x1002, 0xaae0),
2649           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2650           AZX_DCAPS_PM_RUNTIME },
2651         { PCI_DEVICE(0x1002, 0xaae8),
2652           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2653           AZX_DCAPS_PM_RUNTIME },
2654         { PCI_DEVICE(0x1002, 0xaaf0),
2655           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2656           AZX_DCAPS_PM_RUNTIME },
2657         { PCI_DEVICE(0x1002, 0xaaf8),
2658           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2659           AZX_DCAPS_PM_RUNTIME },
2660         { PCI_DEVICE(0x1002, 0xab00),
2661           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2662           AZX_DCAPS_PM_RUNTIME },
2663         { PCI_DEVICE(0x1002, 0xab08),
2664           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2665           AZX_DCAPS_PM_RUNTIME },
2666         { PCI_DEVICE(0x1002, 0xab10),
2667           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2668           AZX_DCAPS_PM_RUNTIME },
2669         { PCI_DEVICE(0x1002, 0xab18),
2670           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2671           AZX_DCAPS_PM_RUNTIME },
2672         { PCI_DEVICE(0x1002, 0xab20),
2673           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2674           AZX_DCAPS_PM_RUNTIME },
2675         { PCI_DEVICE(0x1002, 0xab28),
2676           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2677           AZX_DCAPS_PM_RUNTIME },
2678         { PCI_DEVICE(0x1002, 0xab38),
2679           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2680           AZX_DCAPS_PM_RUNTIME },
2681         /* VIA VT8251/VT8237A */
2682         { PCI_DEVICE(0x1106, 0x3288), .driver_data = AZX_DRIVER_VIA },
2683         /* VIA GFX VT7122/VX900 */
2684         { PCI_DEVICE(0x1106, 0x9170), .driver_data = AZX_DRIVER_GENERIC },
2685         /* VIA GFX VT6122/VX11 */
2686         { PCI_DEVICE(0x1106, 0x9140), .driver_data = AZX_DRIVER_GENERIC },
2687         /* SIS966 */
2688         { PCI_DEVICE(0x1039, 0x7502), .driver_data = AZX_DRIVER_SIS },
2689         /* ULI M5461 */
2690         { PCI_DEVICE(0x10b9, 0x5461), .driver_data = AZX_DRIVER_ULI },
2691         /* NVIDIA MCP */
2692         { PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
2693           .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2694           .class_mask = 0xffffff,
2695           .driver_data = AZX_DRIVER_NVIDIA | AZX_DCAPS_PRESET_NVIDIA },
2696         /* Teradici */
2697         { PCI_DEVICE(0x6549, 0x1200),
2698           .driver_data = AZX_DRIVER_TERA | AZX_DCAPS_NO_64BIT },
2699         { PCI_DEVICE(0x6549, 0x2200),
2700           .driver_data = AZX_DRIVER_TERA | AZX_DCAPS_NO_64BIT },
2701         /* Creative X-Fi (CA0110-IBG) */
2702         /* CTHDA chips */
2703         { PCI_DEVICE(0x1102, 0x0010),
2704           .driver_data = AZX_DRIVER_CTHDA | AZX_DCAPS_PRESET_CTHDA },
2705         { PCI_DEVICE(0x1102, 0x0012),
2706           .driver_data = AZX_DRIVER_CTHDA | AZX_DCAPS_PRESET_CTHDA },
2707 #if !IS_ENABLED(CONFIG_SND_CTXFI)
2708         /* the following entry conflicts with snd-ctxfi driver,
2709          * as ctxfi driver mutates from HD-audio to native mode with
2710          * a special command sequence.
2711          */
2712         { PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_ANY_ID),
2713           .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2714           .class_mask = 0xffffff,
2715           .driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND |
2716           AZX_DCAPS_NO_64BIT | AZX_DCAPS_POSFIX_LPIB },
2717 #else
2718         /* this entry seems still valid -- i.e. without emu20kx chip */
2719         { PCI_DEVICE(0x1102, 0x0009),
2720           .driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND |
2721           AZX_DCAPS_NO_64BIT | AZX_DCAPS_POSFIX_LPIB },
2722 #endif
2723         /* CM8888 */
2724         { PCI_DEVICE(0x13f6, 0x5011),
2725           .driver_data = AZX_DRIVER_CMEDIA |
2726           AZX_DCAPS_NO_MSI | AZX_DCAPS_POSFIX_LPIB | AZX_DCAPS_SNOOP_OFF },
2727         /* Vortex86MX */
2728         { PCI_DEVICE(0x17f3, 0x3010), .driver_data = AZX_DRIVER_GENERIC },
2729         /* VMware HDAudio */
2730         { PCI_DEVICE(0x15ad, 0x1977), .driver_data = AZX_DRIVER_GENERIC },
2731         /* AMD/ATI Generic, PCI class code and Vendor ID for HD Audio */
2732         { PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_ANY_ID),
2733           .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2734           .class_mask = 0xffffff,
2735           .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_HDMI },
2736         { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_ANY_ID),
2737           .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2738           .class_mask = 0xffffff,
2739           .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_HDMI },
2740         /* Zhaoxin */
2741         { PCI_DEVICE(0x1d17, 0x3288), .driver_data = AZX_DRIVER_ZHAOXIN },
2742         { 0, }
2743 };
2744 MODULE_DEVICE_TABLE(pci, azx_ids);
2745
2746 /* pci_driver definition */
2747 static struct pci_driver azx_driver = {
2748         .name = KBUILD_MODNAME,
2749         .id_table = azx_ids,
2750         .probe = azx_probe,
2751         .remove = azx_remove,
2752         .shutdown = azx_shutdown,
2753         .driver = {
2754                 .pm = AZX_PM_OPS,
2755         },
2756 };
2757
2758 module_pci_driver(azx_driver);