sound/pci/hda/hda_intel.c

   1 /*
   2  *
   3  *  hda_intel.c - Implementation of primary alsa driver code base
   4  *                for Intel HD Audio.
   5  *
   6  *  Copyright(c) 2004 Intel Corporation. All rights reserved.
   7  *
   8  *  Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
   9  *                     PeiSen Hou <pshou@realtek.com.tw>
  10  *
  11  *  This program is free software; you can redistribute it and/or modify it
  12  *  under the terms of the GNU General Public License as published by the Free
  13  *  Software Foundation; either version 2 of the License, or (at your option)
  14  *  any later version.
  15  *
  16  *  This program is distributed in the hope that it will be useful, but WITHOUT
  17  *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  18  *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  19  *  more details.
  20  *
  21  *  You should have received a copy of the GNU General Public License along with
  22  *  this program; if not, write to the Free Software Foundation, Inc., 59
  23  *  Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  24  *
  25  *  CONTACTS:
  26  *
  27  *  Matt Jared          matt.jared@intel.com
  28  *  Andy Kopp           andy.kopp@intel.com
  29  *  Dan Kogan           dan.d.kogan@intel.com
  30  *
  31  *  CHANGES:
  32  *
  33  *  2004.12.01  Major rewrite by tiwai, merged the work of pshou
  34  *
  35  */
  36
  37 #include <linux/delay.h>
  38 #include <linux/interrupt.h>
  39 #include <linux/kernel.h>
  40 #include <linux/module.h>
  41 #include <linux/dma-mapping.h>
  42 #include <linux/moduleparam.h>
  43 #include <linux/init.h>
  44 #include <linux/slab.h>
  45 #include <linux/pci.h>
  46 #include <linux/mutex.h>
  47 #include <linux/io.h>
  48 #include <linux/pm_runtime.h>
  49 #include <linux/clocksource.h>
  50 #include <linux/time.h>
  51 #include <linux/completion.h>
  52
  53 #ifdef CONFIG_X86
  54 /* for snoop control */
  55 #include <asm/pgtable.h>
  56 #include <asm/cacheflush.h>
  57 #endif
  58 #include <sound/core.h>
  59 #include <sound/initval.h>
  60 #include <sound/hdaudio.h>
  61 #include <sound/hda_i915.h>
  62 #include <linux/vgaarb.h>
  63 #include <linux/vga_switcheroo.h>
  64 #include <linux/firmware.h>
  65 #include "hda_codec.h"
  66 #include "hda_controller.h"
  67 #include "hda_intel.h"
  68
  69 #define CREATE_TRACE_POINTS
  70 #include "hda_intel_trace.h"
  71
  72 /* position fix mode */
  73 enum {
  74         POS_FIX_AUTO,
  75         POS_FIX_LPIB,
  76         POS_FIX_POSBUF,
  77         POS_FIX_VIACOMBO,
  78         POS_FIX_COMBO,
  79 };
  80
  81 /* Defines for ATI HD Audio support in SB450 south bridge */
  82 #define ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR   0x42
  83 #define ATI_SB450_HDAUDIO_ENABLE_SNOOP      0x02
  84
  85 /* Defines for Nvidia HDA support */
  86 #define NVIDIA_HDA_TRANSREG_ADDR      0x4e
  87 #define NVIDIA_HDA_ENABLE_COHBITS     0x0f
  88 #define NVIDIA_HDA_ISTRM_COH          0x4d
  89 #define NVIDIA_HDA_OSTRM_COH          0x4c
  90 #define NVIDIA_HDA_ENABLE_COHBIT      0x01
  91
  92 /* Defines for Intel SCH HDA snoop control */
  93 #define INTEL_HDA_CGCTL  0x48
  94 #define INTEL_HDA_CGCTL_MISCBDCGE        (0x1 << 6)
  95 #define INTEL_SCH_HDA_DEVC      0x78
  96 #define INTEL_SCH_HDA_DEVC_NOSNOOP       (0x1<<11)
  97
  98 /* Define IN stream 0 FIFO size offset in VIA controller */
  99 #define VIA_IN_STREAM0_FIFO_SIZE_OFFSET 0x90
 100 /* Define VIA HD Audio Device ID*/
 101 #define VIA_HDAC_DEVICE_ID              0x3288
 102
 103 /* max number of SDs */
 104 /* ICH, ATI and VIA have 4 playback and 4 capture */
 105 #define ICH6_NUM_CAPTURE        4
 106 #define ICH6_NUM_PLAYBACK       4
 107
 108 /* ULI has 6 playback and 5 capture */
 109 #define ULI_NUM_CAPTURE         5
 110 #define ULI_NUM_PLAYBACK        6
 111
 112 /* ATI HDMI may have up to 8 playbacks and 0 capture */
 113 #define ATIHDMI_NUM_CAPTURE     0
 114 #define ATIHDMI_NUM_PLAYBACK    8
 115
 116 /* TERA has 4 playback and 3 capture */
 117 #define TERA_NUM_CAPTURE        3
 118 #define TERA_NUM_PLAYBACK       4
 119
 120
 121 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
 122 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
 123 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
 124 static char *model[SNDRV_CARDS];
 125 static int position_fix[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
 126 static int bdl_pos_adj[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
 127 static int probe_mask[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
 128 static int probe_only[SNDRV_CARDS];
 129 static int jackpoll_ms[SNDRV_CARDS];
 130 static bool single_cmd;
 131 static int enable_msi = -1;
 132 #ifdef CONFIG_SND_HDA_PATCH_LOADER
 133 static char *patch[SNDRV_CARDS];
 134 #endif
 135 #ifdef CONFIG_SND_HDA_INPUT_BEEP
 136 static bool beep_mode[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] =
 137                                         CONFIG_SND_HDA_INPUT_BEEP_MODE};
 138 #endif
 139
 140 module_param_array(index, int, NULL, 0444);
 141 MODULE_PARM_DESC(index, "Index value for Intel HD audio interface.");
 142 module_param_array(id, charp, NULL, 0444);
 143 MODULE_PARM_DESC(id, "ID string for Intel HD audio interface.");
 144 module_param_array(enable, bool, NULL, 0444);
 145 MODULE_PARM_DESC(enable, "Enable Intel HD audio interface.");
 146 module_param_array(model, charp, NULL, 0444);
 147 MODULE_PARM_DESC(model, "Use the given board model.");
 148 module_param_array(position_fix, int, NULL, 0444);
 149 MODULE_PARM_DESC(position_fix, "DMA pointer read method."
 150                  "(-1 = system default, 0 = auto, 1 = LPIB, 2 = POSBUF, 3 = VIACOMBO, 4 = COMBO).");
 151 module_param_array(bdl_pos_adj, int, NULL, 0644);
 152 MODULE_PARM_DESC(bdl_pos_adj, "BDL position adjustment offset.");
 153 module_param_array(probe_mask, int, NULL, 0444);
 154 MODULE_PARM_DESC(probe_mask, "Bitmask to probe codecs (default = -1).");
 155 module_param_array(probe_only, int, NULL, 0444);
 156 MODULE_PARM_DESC(probe_only, "Only probing and no codec initialization.");
 157 module_param_array(jackpoll_ms, int, NULL, 0444);
 158 MODULE_PARM_DESC(jackpoll_ms, "Ms between polling for jack events (default = 0, using unsol events only)");
 159 module_param(single_cmd, bool, 0444);
 160 MODULE_PARM_DESC(single_cmd, "Use single command to communicate with codecs "
 161                  "(for debugging only).");
 162 module_param(enable_msi, bint, 0444);
 163 MODULE_PARM_DESC(enable_msi, "Enable Message Signaled Interrupt (MSI)");
 164 #ifdef CONFIG_SND_HDA_PATCH_LOADER
 165 module_param_array(patch, charp, NULL, 0444);
 166 MODULE_PARM_DESC(patch, "Patch file for Intel HD audio interface.");
 167 #endif
 168 #ifdef CONFIG_SND_HDA_INPUT_BEEP
 169 module_param_array(beep_mode, bool, NULL, 0444);
 170 MODULE_PARM_DESC(beep_mode, "Select HDA Beep registration mode "
 171                             "(0=off, 1=on) (default=1).");
 172 #endif
 173
 174 #ifdef CONFIG_PM
 175 static int param_set_xint(const char *val, const struct kernel_param *kp);
 176 static const struct kernel_param_ops param_ops_xint = {
 177         .set = param_set_xint,
 178         .get = param_get_int,
 179 };
 180 #define param_check_xint param_check_int
 181
 182 static int power_save = CONFIG_SND_HDA_POWER_SAVE_DEFAULT;
 183 module_param(power_save, xint, 0644);
 184 MODULE_PARM_DESC(power_save, "Automatic power-saving timeout "
 185                  "(in second, 0 = disable).");
 186
 187 /* reset the HD-audio controller in power save mode.
 188  * this may give more power-saving, but will take longer time to
 189  * wake up.
 190  */
 191 static bool power_save_controller = 1;
 192 module_param(power_save_controller, bool, 0644);
 193 MODULE_PARM_DESC(power_save_controller, "Reset controller in power save mode.");
 194 #else
 195 #define power_save      0
 196 #endif /* CONFIG_PM */
 197
 198 static int align_buffer_size = -1;
 199 module_param(align_buffer_size, bint, 0644);
 200 MODULE_PARM_DESC(align_buffer_size,
 201                 "Force buffer and period sizes to be multiple of 128 bytes.");
 202
 203 #ifdef CONFIG_X86
 204 static int hda_snoop = -1;
 205 module_param_named(snoop, hda_snoop, bint, 0444);
 206 MODULE_PARM_DESC(snoop, "Enable/disable snooping");
 207 #else
 208 #define hda_snoop               true
 209 #endif
 210
 211
 212 MODULE_LICENSE("GPL");
 213 MODULE_SUPPORTED_DEVICE("{{Intel, ICH6},"
 214                          "{Intel, ICH6M},"
 215                          "{Intel, ICH7},"
 216                          "{Intel, ESB2},"
 217                          "{Intel, ICH8},"
 218                          "{Intel, ICH9},"
 219                          "{Intel, ICH10},"
 220                          "{Intel, PCH},"
 221                          "{Intel, CPT},"
 222                          "{Intel, PPT},"
 223                          "{Intel, LPT},"
 224                          "{Intel, LPT_LP},"
 225                          "{Intel, WPT_LP},"
 226                          "{Intel, SPT},"
 227                          "{Intel, SPT_LP},"
 228                          "{Intel, HPT},"
 229                          "{Intel, PBG},"
 230                          "{Intel, SCH},"
 231                          "{ATI, SB450},"
 232                          "{ATI, SB600},"
 233                          "{ATI, RS600},"
 234                          "{ATI, RS690},"
 235                          "{ATI, RS780},"
 236                          "{ATI, R600},"
 237                          "{ATI, RV630},"
 238                          "{ATI, RV610},"
 239                          "{ATI, RV670},"
 240                          "{ATI, RV635},"
 241                          "{ATI, RV620},"
 242                          "{ATI, RV770},"
 243                          "{VIA, VT8251},"
 244                          "{VIA, VT8237A},"
 245                          "{SiS, SIS966},"
 246                          "{ULI, M5461}}");
 247 MODULE_DESCRIPTION("Intel HDA driver");
 248
 249 #if defined(CONFIG_PM) && defined(CONFIG_VGA_SWITCHEROO)
 250 #if IS_ENABLED(CONFIG_SND_HDA_CODEC_HDMI)
 251 #define SUPPORT_VGA_SWITCHEROO
 252 #endif
 253 #endif
 254
 255
 256 /*
 257  */
 258
 259 /* driver types */
 260 enum {
 261         AZX_DRIVER_ICH,
 262         AZX_DRIVER_PCH,
 263         AZX_DRIVER_SCH,
 264         AZX_DRIVER_HDMI,
 265         AZX_DRIVER_ATI,
 266         AZX_DRIVER_ATIHDMI,
 267         AZX_DRIVER_ATIHDMI_NS,
 268         AZX_DRIVER_VIA,
 269         AZX_DRIVER_SIS,
 270         AZX_DRIVER_ULI,
 271         AZX_DRIVER_NVIDIA,
 272         AZX_DRIVER_TERA,
 273         AZX_DRIVER_CTX,
 274         AZX_DRIVER_CTHDA,
 275         AZX_DRIVER_CMEDIA,
 276         AZX_DRIVER_GENERIC,
 277         AZX_NUM_DRIVERS, /* keep this as last entry */
 278 };
 279
 280 #define azx_get_snoop_type(chip) \
 281         (((chip)->driver_caps & AZX_DCAPS_SNOOP_MASK) >> 10)
 282 #define AZX_DCAPS_SNOOP_TYPE(type) ((AZX_SNOOP_TYPE_ ## type) << 10)
 283
 284 /* quirks for old Intel chipsets */
 285 #define AZX_DCAPS_INTEL_ICH \
 286         (AZX_DCAPS_OLD_SSYNC | AZX_DCAPS_NO_ALIGN_BUFSIZE)
 287
 288 /* quirks for Intel PCH */
 289 #define AZX_DCAPS_INTEL_PCH_BASE \
 290         (AZX_DCAPS_NO_ALIGN_BUFSIZE | AZX_DCAPS_COUNT_LPIB_DELAY |\
 291          AZX_DCAPS_SNOOP_TYPE(SCH))
 292
 293 /* PCH up to IVB; no runtime PM */
 294 #define AZX_DCAPS_INTEL_PCH_NOPM \
 295         (AZX_DCAPS_INTEL_PCH_BASE)
 296
 297 /* PCH for HSW/BDW; with runtime PM */
 298 #define AZX_DCAPS_INTEL_PCH \
 299         (AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_PM_RUNTIME)
 300
 301 /* HSW HDMI */
 302 #define AZX_DCAPS_INTEL_HASWELL \
 303         (/*AZX_DCAPS_ALIGN_BUFSIZE |*/ AZX_DCAPS_COUNT_LPIB_DELAY |\
 304          AZX_DCAPS_PM_RUNTIME | AZX_DCAPS_I915_POWERWELL |\
 305          AZX_DCAPS_SNOOP_TYPE(SCH))
 306
 307 /* Broadwell HDMI can't use position buffer reliably, force to use LPIB */
 308 #define AZX_DCAPS_INTEL_BROADWELL \
 309         (/*AZX_DCAPS_ALIGN_BUFSIZE |*/ AZX_DCAPS_POSFIX_LPIB |\
 310          AZX_DCAPS_PM_RUNTIME | AZX_DCAPS_I915_POWERWELL |\
 311          AZX_DCAPS_SNOOP_TYPE(SCH))
 312
 313 #define AZX_DCAPS_INTEL_BAYTRAIL \
 314         (AZX_DCAPS_INTEL_PCH_NOPM | AZX_DCAPS_I915_POWERWELL)
 315
 316 #define AZX_DCAPS_INTEL_BRASWELL \
 317         (AZX_DCAPS_INTEL_PCH | AZX_DCAPS_I915_POWERWELL)
 318
 319 #define AZX_DCAPS_INTEL_SKYLAKE \
 320         (AZX_DCAPS_INTEL_PCH | AZX_DCAPS_SEPARATE_STREAM_TAG |\
 321          AZX_DCAPS_I915_POWERWELL)
 322
 323 #define AZX_DCAPS_INTEL_BROXTON \
 324         (AZX_DCAPS_INTEL_PCH | AZX_DCAPS_SEPARATE_STREAM_TAG |\
 325          AZX_DCAPS_I915_POWERWELL)
 326
 327 /* quirks for ATI SB / AMD Hudson */
 328 #define AZX_DCAPS_PRESET_ATI_SB \
 329         (AZX_DCAPS_NO_TCSEL | AZX_DCAPS_SYNC_WRITE | AZX_DCAPS_POSFIX_LPIB |\
 330          AZX_DCAPS_SNOOP_TYPE(ATI))
 331
 332 /* quirks for ATI/AMD HDMI */
 333 #define AZX_DCAPS_PRESET_ATI_HDMI \
 334         (AZX_DCAPS_NO_TCSEL | AZX_DCAPS_SYNC_WRITE | AZX_DCAPS_POSFIX_LPIB|\
 335          AZX_DCAPS_NO_MSI64)
 336
 337 /* quirks for ATI HDMI with snoop off */
 338 #define AZX_DCAPS_PRESET_ATI_HDMI_NS \
 339         (AZX_DCAPS_PRESET_ATI_HDMI | AZX_DCAPS_SNOOP_OFF)
 340
 341 /* quirks for Nvidia */
 342 #define AZX_DCAPS_PRESET_NVIDIA \
 343         (AZX_DCAPS_NO_MSI | /*AZX_DCAPS_ALIGN_BUFSIZE |*/ \
 344          AZX_DCAPS_NO_64BIT | AZX_DCAPS_CORBRP_SELF_CLEAR |\
 345          AZX_DCAPS_SNOOP_TYPE(NVIDIA))
 346
 347 #define AZX_DCAPS_PRESET_CTHDA \
 348         (AZX_DCAPS_NO_MSI | AZX_DCAPS_POSFIX_LPIB |\
 349          AZX_DCAPS_NO_64BIT |\
 350          AZX_DCAPS_4K_BDLE_BOUNDARY | AZX_DCAPS_SNOOP_OFF)
 351
 352 /*
 353  * vga_switcheroo support
 354  */
 355 #ifdef SUPPORT_VGA_SWITCHEROO
 356 #define use_vga_switcheroo(chip)        ((chip)->use_vga_switcheroo)
 357 #else
 358 #define use_vga_switcheroo(chip)        0
 359 #endif
 360
 361 #define CONTROLLER_IN_GPU(pci) (((pci)->device == 0x0a0c) || \
 362                                         ((pci)->device == 0x0c0c) || \
 363                                         ((pci)->device == 0x0d0c) || \
 364                                         ((pci)->device == 0x160c))
 365
 366 #define IS_BROXTON(pci) ((pci)->device == 0x5a98)
 367
 368 static char *driver_short_names[] = {
 369         [AZX_DRIVER_ICH] = "HDA Intel",
 370         [AZX_DRIVER_PCH] = "HDA Intel PCH",
 371         [AZX_DRIVER_SCH] = "HDA Intel MID",
 372         [AZX_DRIVER_HDMI] = "HDA Intel HDMI",
 373         [AZX_DRIVER_ATI] = "HDA ATI SB",
 374         [AZX_DRIVER_ATIHDMI] = "HDA ATI HDMI",
 375         [AZX_DRIVER_ATIHDMI_NS] = "HDA ATI HDMI",
 376         [AZX_DRIVER_VIA] = "HDA VIA VT82xx",
 377         [AZX_DRIVER_SIS] = "HDA SIS966",
 378         [AZX_DRIVER_ULI] = "HDA ULI M5461",
 379         [AZX_DRIVER_NVIDIA] = "HDA NVidia",
 380         [AZX_DRIVER_TERA] = "HDA Teradici",
 381         [AZX_DRIVER_CTX] = "HDA Creative",
 382         [AZX_DRIVER_CTHDA] = "HDA Creative",
 383         [AZX_DRIVER_CMEDIA] = "HDA C-Media",
 384         [AZX_DRIVER_GENERIC] = "HD-Audio Generic",
 385 };
 386
 387 #ifdef CONFIG_X86
 388 static void __mark_pages_wc(struct azx *chip, struct snd_dma_buffer *dmab, bool on)
 389 {
 390         int pages;
 391
 392         if (azx_snoop(chip))
 393                 return;
 394         if (!dmab || !dmab->area || !dmab->bytes)
 395                 return;
 396
 397 #ifdef CONFIG_SND_DMA_SGBUF
 398         if (dmab->dev.type == SNDRV_DMA_TYPE_DEV_SG) {
 399                 struct snd_sg_buf *sgbuf = dmab->private_data;
 400                 if (chip->driver_type == AZX_DRIVER_CMEDIA)
 401                         return; /* deal with only CORB/RIRB buffers */
 402                 if (on)
 403                         set_pages_array_wc(sgbuf->page_table, sgbuf->pages);
 404                 else
 405                         set_pages_array_wb(sgbuf->page_table, sgbuf->pages);
 406                 return;
 407         }
 408 #endif
 409
 410         pages = (dmab->bytes + PAGE_SIZE - 1) >> PAGE_SHIFT;
 411         if (on)
 412                 set_memory_wc((unsigned long)dmab->area, pages);
 413         else
 414                 set_memory_wb((unsigned long)dmab->area, pages);
 415 }
 416
 417 static inline void mark_pages_wc(struct azx *chip, struct snd_dma_buffer *buf,
 418                                  bool on)
 419 {
 420         __mark_pages_wc(chip, buf, on);
 421 }
 422 static inline void mark_runtime_wc(struct azx *chip, struct azx_dev *azx_dev,
 423                                    struct snd_pcm_substream *substream, bool on)
 424 {
 425         if (azx_dev->wc_marked != on) {
 426                 __mark_pages_wc(chip, snd_pcm_get_dma_buf(substream), on);
 427                 azx_dev->wc_marked = on;
 428         }
 429 }
 430 #else
 431 /* NOP for other archs */
 432 static inline void mark_pages_wc(struct azx *chip, struct snd_dma_buffer *buf,
 433                                  bool on)
 434 {
 435 }
 436 static inline void mark_runtime_wc(struct azx *chip, struct azx_dev *azx_dev,
 437                                    struct snd_pcm_substream *substream, bool on)
 438 {
 439 }
 440 #endif
 441
 442 static int azx_acquire_irq(struct azx *chip, int do_disconnect);
 443
 444 /*
 445  * initialize the PCI registers
 446  */
 447 /* update bits in a PCI register byte */
 448 static void update_pci_byte(struct pci_dev *pci, unsigned int reg,
 449                             unsigned char mask, unsigned char val)
 450 {
 451         unsigned char data;
 452
 453         pci_read_config_byte(pci, reg, &data);
 454         data &= ~mask;
 455         data |= (val & mask);
 456         pci_write_config_byte(pci, reg, data);
 457 }
 458
 459 static void azx_init_pci(struct azx *chip)
 460 {
 461         int snoop_type = azx_get_snoop_type(chip);
 462
 463         /* Clear bits 0-2 of PCI register TCSEL (at offset 0x44)
 464          * TCSEL == Traffic Class Select Register, which sets PCI express QOS
 465          * Ensuring these bits are 0 clears playback static on some HD Audio
 466          * codecs.
 467          * The PCI register TCSEL is defined in the Intel manuals.
 468          */
 469         if (!(chip->driver_caps & AZX_DCAPS_NO_TCSEL)) {
 470                 dev_dbg(chip->card->dev, "Clearing TCSEL\n");
 471                 update_pci_byte(chip->pci, AZX_PCIREG_TCSEL, 0x07, 0);
 472         }
 473
 474         /* For ATI SB450/600/700/800/900 and AMD Hudson azalia HD audio,
 475          * we need to enable snoop.
 476          */
 477         if (snoop_type == AZX_SNOOP_TYPE_ATI) {
 478                 dev_dbg(chip->card->dev, "Setting ATI snoop: %d\n",
 479                         azx_snoop(chip));
 480                 update_pci_byte(chip->pci,
 481                                 ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR, 0x07,
 482                                 azx_snoop(chip) ? ATI_SB450_HDAUDIO_ENABLE_SNOOP : 0);
 483         }
 484
 485         /* For NVIDIA HDA, enable snoop */
 486         if (snoop_type == AZX_SNOOP_TYPE_NVIDIA) {
 487                 dev_dbg(chip->card->dev, "Setting Nvidia snoop: %d\n",
 488                         azx_snoop(chip));
 489                 update_pci_byte(chip->pci,
 490                                 NVIDIA_HDA_TRANSREG_ADDR,
 491                                 0x0f, NVIDIA_HDA_ENABLE_COHBITS);
 492                 update_pci_byte(chip->pci,
 493                                 NVIDIA_HDA_ISTRM_COH,
 494                                 0x01, NVIDIA_HDA_ENABLE_COHBIT);
 495                 update_pci_byte(chip->pci,
 496                                 NVIDIA_HDA_OSTRM_COH,
 497                                 0x01, NVIDIA_HDA_ENABLE_COHBIT);
 498         }
 499
 500         /* Enable SCH/PCH snoop if needed */
 501         if (snoop_type == AZX_SNOOP_TYPE_SCH) {
 502                 unsigned short snoop;
 503                 pci_read_config_word(chip->pci, INTEL_SCH_HDA_DEVC, &snoop);
 504                 if ((!azx_snoop(chip) && !(snoop & INTEL_SCH_HDA_DEVC_NOSNOOP)) ||
 505                     (azx_snoop(chip) && (snoop & INTEL_SCH_HDA_DEVC_NOSNOOP))) {
 506                         snoop &= ~INTEL_SCH_HDA_DEVC_NOSNOOP;
 507                         if (!azx_snoop(chip))
 508                                 snoop |= INTEL_SCH_HDA_DEVC_NOSNOOP;
 509                         pci_write_config_word(chip->pci, INTEL_SCH_HDA_DEVC, snoop);
 510                         pci_read_config_word(chip->pci,
 511                                 INTEL_SCH_HDA_DEVC, &snoop);
 512                 }
 513                 dev_dbg(chip->card->dev, "SCH snoop: %s\n",
 514                         (snoop & INTEL_SCH_HDA_DEVC_NOSNOOP) ?
 515                         "Disabled" : "Enabled");
 516         }
 517 }
 518
 519 /*
 520  * In BXT-P A0, HD-Audio DMA requests is later than expected,
 521  * and makes an audio stream sensitive to system latencies when
 522  * 24/32 bits are playing.
 523  * Adjusting threshold of DMA fifo to force the DMA request
 524  * sooner to improve latency tolerance at the expense of power.
 525  */
 526 static void bxt_reduce_dma_latency(struct azx *chip)
 527 {
 528         u32 val;
 529
 530         val = azx_readl(chip, SKL_EM4L);
 531         val &= (0x3 << 20);
 532         azx_writel(chip, SKL_EM4L, val);
 533 }
 534
 535 static void hda_intel_init_chip(struct azx *chip, bool full_reset)
 536 {
 537         struct hdac_bus *bus = azx_bus(chip);
 538         struct pci_dev *pci = chip->pci;
 539         u32 val;
 540
 541         if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL)
 542                 snd_hdac_set_codec_wakeup(bus, true);
 543         if (IS_BROXTON(pci)) {
 544                 pci_read_config_dword(pci, INTEL_HDA_CGCTL, &val);
 545                 val = val & ~INTEL_HDA_CGCTL_MISCBDCGE;
 546                 pci_write_config_dword(pci, INTEL_HDA_CGCTL, val);
 547         }
 548         azx_init_chip(chip, full_reset);
 549         if (IS_BROXTON(pci)) {
 550                 pci_read_config_dword(pci, INTEL_HDA_CGCTL, &val);
 551                 val = val | INTEL_HDA_CGCTL_MISCBDCGE;
 552                 pci_write_config_dword(pci, INTEL_HDA_CGCTL, val);
 553         }
 554         if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL)
 555                 snd_hdac_set_codec_wakeup(bus, false);
 556
 557         /* reduce dma latency to avoid noise */
 558         if (IS_BROXTON(pci))
 559                 bxt_reduce_dma_latency(chip);
 560 }
 561
 562 /* calculate runtime delay from LPIB */
 563 static int azx_get_delay_from_lpib(struct azx *chip, struct azx_dev *azx_dev,
 564                                    unsigned int pos)
 565 {
 566         struct snd_pcm_substream *substream = azx_dev->core.substream;
 567         int stream = substream->stream;
 568         unsigned int lpib_pos = azx_get_pos_lpib(chip, azx_dev);
 569         int delay;
 570
 571         if (stream == SNDRV_PCM_STREAM_PLAYBACK)
 572                 delay = pos - lpib_pos;
 573         else
 574                 delay = lpib_pos - pos;
 575         if (delay < 0) {
 576                 if (delay >= azx_dev->core.delay_negative_threshold)
 577                         delay = 0;
 578                 else
 579                         delay += azx_dev->core.bufsize;
 580         }
 581
 582         if (delay >= azx_dev->core.period_bytes) {
 583                 dev_info(chip->card->dev,
 584                          "Unstable LPIB (%d >= %d); disabling LPIB delay counting\n",
 585                          delay, azx_dev->core.period_bytes);
 586                 delay = 0;
 587                 chip->driver_caps &= ~AZX_DCAPS_COUNT_LPIB_DELAY;
 588                 chip->get_delay[stream] = NULL;
 589         }
 590
 591         return bytes_to_frames(substream->runtime, delay);
 592 }
 593
 594 static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev);
 595
 596 /* called from IRQ */
 597 static int azx_position_check(struct azx *chip, struct azx_dev *azx_dev)
 598 {
 599         struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
 600         int ok;
 601
 602         ok = azx_position_ok(chip, azx_dev);
 603         if (ok == 1) {
 604                 azx_dev->irq_pending = 0;
 605                 return ok;
 606         } else if (ok == 0) {
 607                 /* bogus IRQ, process it later */
 608                 azx_dev->irq_pending = 1;
 609                 schedule_work(&hda->irq_pending_work);
 610         }
 611         return 0;
 612 }
 613
 614 /* Enable/disable i915 display power for the link */
 615 static int azx_intel_link_power(struct azx *chip, bool enable)
 616 {
 617         struct hdac_bus *bus = azx_bus(chip);
 618
 619         return snd_hdac_display_power(bus, enable);
 620 }
 621
 622 /*
 623  * Check whether the current DMA position is acceptable for updating
 624  * periods.  Returns non-zero if it's OK.
 625  *
 626  * Many HD-audio controllers appear pretty inaccurate about
 627  * the update-IRQ timing.  The IRQ is issued before actually the
 628  * data is processed.  So, we need to process it afterwords in a
 629  * workqueue.
 630  */
 631 static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev)
 632 {
 633         struct snd_pcm_substream *substream = azx_dev->core.substream;
 634         int stream = substream->stream;
 635         u32 wallclk;
 636         unsigned int pos;
 637
 638         wallclk = azx_readl(chip, WALLCLK) - azx_dev->core.start_wallclk;
 639         if (wallclk < (azx_dev->core.period_wallclk * 2) / 3)
 640                 return -1;      /* bogus (too early) interrupt */
 641
 642         if (chip->get_position[stream])
 643                 pos = chip->get_position[stream](chip, azx_dev);
 644         else { /* use the position buffer as default */
 645                 pos = azx_get_pos_posbuf(chip, azx_dev);
 646                 if (!pos || pos == (u32)-1) {
 647                         dev_info(chip->card->dev,
 648                                  "Invalid position buffer, using LPIB read method instead.\n");
 649                         chip->get_position[stream] = azx_get_pos_lpib;
 650                         if (chip->get_position[0] == azx_get_pos_lpib &&
 651                             chip->get_position[1] == azx_get_pos_lpib)
 652                                 azx_bus(chip)->use_posbuf = false;
 653                         pos = azx_get_pos_lpib(chip, azx_dev);
 654                         chip->get_delay[stream] = NULL;
 655                 } else {
 656                         chip->get_position[stream] = azx_get_pos_posbuf;
 657                         if (chip->driver_caps & AZX_DCAPS_COUNT_LPIB_DELAY)
 658                                 chip->get_delay[stream] = azx_get_delay_from_lpib;
 659                 }
 660         }
 661
 662         if (pos >= azx_dev->core.bufsize)
 663                 pos = 0;
 664
 665         if (WARN_ONCE(!azx_dev->core.period_bytes,
 666                       "hda-intel: zero azx_dev->period_bytes"))
 667                 return -1; /* this shouldn't happen! */
 668         if (wallclk < (azx_dev->core.period_wallclk * 5) / 4 &&
 669             pos % azx_dev->core.period_bytes > azx_dev->core.period_bytes / 2)
 670                 /* NG - it's below the first next period boundary */
 671                 return chip->bdl_pos_adj ? 0 : -1;
 672         azx_dev->core.start_wallclk += wallclk;
 673         return 1; /* OK, it's fine */
 674 }
 675
 676 /*
 677  * The work for pending PCM period updates.
 678  */
 679 static void azx_irq_pending_work(struct work_struct *work)
 680 {
 681         struct hda_intel *hda = container_of(work, struct hda_intel, irq_pending_work);
 682         struct azx *chip = &hda->chip;
 683         struct hdac_bus *bus = azx_bus(chip);
 684         struct hdac_stream *s;
 685         int pending, ok;
 686
 687         if (!hda->irq_pending_warned) {
 688                 dev_info(chip->card->dev,
 689                          "IRQ timing workaround is activated for card #%d. Suggest a bigger bdl_pos_adj.\n",
 690                          chip->card->number);
 691                 hda->irq_pending_warned = 1;
 692         }
 693
 694         for (;;) {
 695                 pending = 0;
 696                 spin_lock_irq(&bus->reg_lock);
 697                 list_for_each_entry(s, &bus->stream_list, list) {
 698                         struct azx_dev *azx_dev = stream_to_azx_dev(s);
 699                         if (!azx_dev->irq_pending ||
 700                             !s->substream ||
 701                             !s->running)
 702                                 continue;
 703                         ok = azx_position_ok(chip, azx_dev);
 704                         if (ok > 0) {
 705                                 azx_dev->irq_pending = 0;
 706                                 spin_unlock(&bus->reg_lock);
 707                                 snd_pcm_period_elapsed(s->substream);
 708                                 spin_lock(&bus->reg_lock);
 709                         } else if (ok < 0) {
 710                                 pending = 0;    /* too early */
 711                         } else
 712                                 pending++;
 713                 }
 714                 spin_unlock_irq(&bus->reg_lock);
 715                 if (!pending)
 716                         return;
 717                 msleep(1);
 718         }
 719 }
 720
 721 /* clear irq_pending flags and assure no on-going workq */
 722 static void azx_clear_irq_pending(struct azx *chip)
 723 {
 724         struct hdac_bus *bus = azx_bus(chip);
 725         struct hdac_stream *s;
 726
 727         spin_lock_irq(&bus->reg_lock);
 728         list_for_each_entry(s, &bus->stream_list, list) {
 729                 struct azx_dev *azx_dev = stream_to_azx_dev(s);
 730                 azx_dev->irq_pending = 0;
 731         }
 732         spin_unlock_irq(&bus->reg_lock);
 733 }
 734
 735 static int azx_acquire_irq(struct azx *chip, int do_disconnect)
 736 {
 737         struct hdac_bus *bus = azx_bus(chip);
 738
 739         if (request_irq(chip->pci->irq, azx_interrupt,
 740                         chip->msi ? 0 : IRQF_SHARED,
 741                         chip->card->irq_descr, chip)) {
 742                 dev_err(chip->card->dev,
 743                         "unable to grab IRQ %d, disabling device\n",
 744                         chip->pci->irq);
 745                 if (do_disconnect)
 746                         snd_card_disconnect(chip->card);
 747                 return -1;
 748         }
 749         bus->irq = chip->pci->irq;
 750         pci_intx(chip->pci, !chip->msi);
 751         return 0;
 752 }
 753
 754 /* get the current DMA position with correction on VIA chips */
 755 static unsigned int azx_via_get_position(struct azx *chip,
 756                                          struct azx_dev *azx_dev)
 757 {
 758         unsigned int link_pos, mini_pos, bound_pos;
 759         unsigned int mod_link_pos, mod_dma_pos, mod_mini_pos;
 760         unsigned int fifo_size;
 761
 762         link_pos = snd_hdac_stream_get_pos_lpib(azx_stream(azx_dev));
 763         if (azx_dev->core.substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 764                 /* Playback, no problem using link position */
 765                 return link_pos;
 766         }
 767
 768         /* Capture */
 769         /* For new chipset,
 770          * use mod to get the DMA position just like old chipset
 771          */
 772         mod_dma_pos = le32_to_cpu(*azx_dev->core.posbuf);
 773         mod_dma_pos %= azx_dev->core.period_bytes;
 774
 775         /* azx_dev->fifo_size can't get FIFO size of in stream.
 776          * Get from base address + offset.
 777          */
 778         fifo_size = readw(azx_bus(chip)->remap_addr +
 779                           VIA_IN_STREAM0_FIFO_SIZE_OFFSET);
 780
 781         if (azx_dev->insufficient) {
 782                 /* Link position never gather than FIFO size */
 783                 if (link_pos <= fifo_size)
 784                         return 0;
 785
 786                 azx_dev->insufficient = 0;
 787         }
 788
 789         if (link_pos <= fifo_size)
 790                 mini_pos = azx_dev->core.bufsize + link_pos - fifo_size;
 791         else
 792                 mini_pos = link_pos - fifo_size;
 793
 794         /* Find nearest previous boudary */
 795         mod_mini_pos = mini_pos % azx_dev->core.period_bytes;
 796         mod_link_pos = link_pos % azx_dev->core.period_bytes;
 797         if (mod_link_pos >= fifo_size)
 798                 bound_pos = link_pos - mod_link_pos;
 799         else if (mod_dma_pos >= mod_mini_pos)
 800                 bound_pos = mini_pos - mod_mini_pos;
 801         else {
 802                 bound_pos = mini_pos - mod_mini_pos + azx_dev->core.period_bytes;
 803                 if (bound_pos >= azx_dev->core.bufsize)
 804                         bound_pos = 0;
 805         }
 806
 807         /* Calculate real DMA position we want */
 808         return bound_pos + mod_dma_pos;
 809 }
 810
 811 #ifdef CONFIG_PM
 812 static DEFINE_MUTEX(card_list_lock);
 813 static LIST_HEAD(card_list);
 814
 815 static void azx_add_card_list(struct azx *chip)
 816 {
 817         struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
 818         mutex_lock(&card_list_lock);
 819         list_add(&hda->list, &card_list);
 820         mutex_unlock(&card_list_lock);
 821 }
 822
 823 static void azx_del_card_list(struct azx *chip)
 824 {
 825         struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
 826         mutex_lock(&card_list_lock);
 827         list_del_init(&hda->list);
 828         mutex_unlock(&card_list_lock);
 829 }
 830
 831 /* trigger power-save check at writing parameter */
 832 static int param_set_xint(const char *val, const struct kernel_param *kp)
 833 {
 834         struct hda_intel *hda;
 835         struct azx *chip;
 836         int prev = power_save;
 837         int ret = param_set_int(val, kp);
 838
 839         if (ret || prev == power_save)
 840                 return ret;
 841
 842         mutex_lock(&card_list_lock);
 843         list_for_each_entry(hda, &card_list, list) {
 844                 chip = &hda->chip;
 845                 if (!hda->probe_continued || chip->disabled)
 846                         continue;
 847                 snd_hda_set_power_save(&chip->bus, power_save * 1000);
 848         }
 849         mutex_unlock(&card_list_lock);
 850         return 0;
 851 }
 852 #else
 853 #define azx_add_card_list(chip) /* NOP */
 854 #define azx_del_card_list(chip) /* NOP */
 855 #endif /* CONFIG_PM */
 856
 857 /* Intel HSW/BDW display HDA controller is in GPU. Both its power and link BCLK
 858  * depends on GPU. Two Extended Mode registers EM4 (M value) and EM5 (N Value)
 859  * are used to convert CDClk (Core Display Clock) to 24MHz BCLK:
 860  * BCLK = CDCLK * M / N
 861  * The values will be lost when the display power well is disabled and need to
 862  * be restored to avoid abnormal playback speed.
 863  */
 864 static void haswell_set_bclk(struct hda_intel *hda)
 865 {
 866         struct azx *chip = &hda->chip;
 867         int cdclk_freq;
 868         unsigned int bclk_m, bclk_n;
 869
 870         if (!hda->need_i915_power)
 871                 return;
 872
 873         cdclk_freq = snd_hdac_get_display_clk(azx_bus(chip));
 874         switch (cdclk_freq) {
 875         case 337500:
 876                 bclk_m = 16;
 877                 bclk_n = 225;
 878                 break;
 879
 880         case 450000:
 881         default: /* default CDCLK 450MHz */
 882                 bclk_m = 4;
 883                 bclk_n = 75;
 884                 break;
 885
 886         case 540000:
 887                 bclk_m = 4;
 888                 bclk_n = 90;
 889                 break;
 890
 891         case 675000:
 892                 bclk_m = 8;
 893                 bclk_n = 225;
 894                 break;
 895         }
 896
 897         azx_writew(chip, HSW_EM4, bclk_m);
 898         azx_writew(chip, HSW_EM5, bclk_n);
 899 }
 900
 901 #if defined(CONFIG_PM_SLEEP) || defined(SUPPORT_VGA_SWITCHEROO)
 902 /*
 903  * power management
 904  */
 905 static int azx_suspend(struct device *dev)
 906 {
 907         struct snd_card *card = dev_get_drvdata(dev);
 908         struct azx *chip;
 909         struct hda_intel *hda;
 910         struct hdac_bus *bus;
 911
 912         if (!card)
 913                 return 0;
 914
 915         chip = card->private_data;
 916         hda = container_of(chip, struct hda_intel, chip);
 917         if (chip->disabled || hda->init_failed || !chip->running)
 918                 return 0;
 919
 920         bus = azx_bus(chip);
 921         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
 922         azx_clear_irq_pending(chip);
 923         azx_stop_chip(chip);
 924         azx_enter_link_reset(chip);
 925         if (bus->irq >= 0) {
 926                 free_irq(bus->irq, chip);
 927                 bus->irq = -1;
 928         }
 929
 930         if (chip->msi)
 931                 pci_disable_msi(chip->pci);
 932         if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL
 933                 && hda->need_i915_power)
 934                 snd_hdac_display_power(bus, false);
 935
 936         trace_azx_suspend(chip);
 937         return 0;
 938 }
 939
 940 static int azx_resume(struct device *dev)
 941 {
 942         struct pci_dev *pci = to_pci_dev(dev);
 943         struct snd_card *card = dev_get_drvdata(dev);
 944         struct azx *chip;
 945         struct hda_intel *hda;
 946
 947         if (!card)
 948                 return 0;
 949
 950         chip = card->private_data;
 951         hda = container_of(chip, struct hda_intel, chip);
 952         if (chip->disabled || hda->init_failed || !chip->running)
 953                 return 0;
 954
 955         if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL
 956                 && hda->need_i915_power) {
 957                 snd_hdac_display_power(azx_bus(chip), true);
 958                 haswell_set_bclk(hda);
 959         }
 960         if (chip->msi)
 961                 if (pci_enable_msi(pci) < 0)
 962                         chip->msi = 0;
 963         if (azx_acquire_irq(chip, 1) < 0)
 964                 return -EIO;
 965         azx_init_pci(chip);
 966
 967         hda_intel_init_chip(chip, true);
 968
 969         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
 970
 971         trace_azx_resume(chip);
 972         return 0;
 973 }
 974 #endif /* CONFIG_PM_SLEEP || SUPPORT_VGA_SWITCHEROO */
 975
 976 #ifdef CONFIG_PM_SLEEP
 977 /* put codec down to D3 at hibernation for Intel SKL+;
 978  * otherwise BIOS may still access the codec and screw up the driver
 979  */
 980 #define IS_SKL(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0xa170)
 981 #define IS_SKL_LP(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x9d70)
 982 #define IS_BXT(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x5a98)
 983 #define IS_SKL_PLUS(pci) (IS_SKL(pci) || IS_SKL_LP(pci) || IS_BXT(pci))
 984
 985 static int azx_freeze_noirq(struct device *dev)
 986 {
 987         struct pci_dev *pci = to_pci_dev(dev);
 988
 989         if (IS_SKL_PLUS(pci))
 990                 pci_set_power_state(pci, PCI_D3hot);
 991
 992         return 0;
 993 }
 994
 995 static int azx_thaw_noirq(struct device *dev)
 996 {
 997         struct pci_dev *pci = to_pci_dev(dev);
 998
 999         if (IS_SKL_PLUS(pci))
1000                 pci_set_power_state(pci, PCI_D0);
1001
1002         return 0;
1003 }
1004 #endif /* CONFIG_PM_SLEEP */
1005
1006 #ifdef CONFIG_PM
1007 static int azx_runtime_suspend(struct device *dev)
1008 {
1009         struct snd_card *card = dev_get_drvdata(dev);
1010         struct azx *chip;
1011         struct hda_intel *hda;
1012
1013         if (!card)
1014                 return 0;
1015
1016         chip = card->private_data;
1017         hda = container_of(chip, struct hda_intel, chip);
1018         if (chip->disabled || hda->init_failed)
1019                 return 0;
1020
1021         if (!azx_has_pm_runtime(chip))
1022                 return 0;
1023
1024         /* enable controller wake up event */
1025         azx_writew(chip, WAKEEN, azx_readw(chip, WAKEEN) |
1026                   STATESTS_INT_MASK);
1027
1028         azx_stop_chip(chip);
1029         azx_enter_link_reset(chip);
1030         azx_clear_irq_pending(chip);
1031         if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL
1032                 && hda->need_i915_power)
1033                 snd_hdac_display_power(azx_bus(chip), false);
1034
1035         trace_azx_runtime_suspend(chip);
1036         return 0;
1037 }
1038
1039 static int azx_runtime_resume(struct device *dev)
1040 {
1041         struct snd_card *card = dev_get_drvdata(dev);
1042         struct azx *chip;
1043         struct hda_intel *hda;
1044         struct hdac_bus *bus;
1045         struct hda_codec *codec;
1046         int status;
1047
1048         if (!card)
1049                 return 0;
1050
1051         chip = card->private_data;
1052         hda = container_of(chip, struct hda_intel, chip);
1053         if (chip->disabled || hda->init_failed)
1054                 return 0;
1055
1056         if (!azx_has_pm_runtime(chip))
1057                 return 0;
1058
1059         if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) {
1060                 bus = azx_bus(chip);
1061                 if (hda->need_i915_power) {
1062                         snd_hdac_display_power(bus, true);
1063                         haswell_set_bclk(hda);
1064                 } else {
1065                         /* toggle codec wakeup bit for STATESTS read */
1066                         snd_hdac_set_codec_wakeup(bus, true);
1067                         snd_hdac_set_codec_wakeup(bus, false);
1068                 }
1069         }
1070
1071         /* Read STATESTS before controller reset */
1072         status = azx_readw(chip, STATESTS);
1073
1074         azx_init_pci(chip);
1075         hda_intel_init_chip(chip, true);
1076
1077         if (status) {
1078                 list_for_each_codec(codec, &chip->bus)
1079                         if (status & (1 << codec->addr))
1080                                 schedule_delayed_work(&codec->jackpoll_work,
1081                                                       codec->jackpoll_interval);
1082         }
1083
1084         /* disable controller Wake Up event*/
1085         azx_writew(chip, WAKEEN, azx_readw(chip, WAKEEN) &
1086                         ~STATESTS_INT_MASK);
1087
1088         trace_azx_runtime_resume(chip);
1089         return 0;
1090 }
1091
1092 static int azx_runtime_idle(struct device *dev)
1093 {
1094         struct snd_card *card = dev_get_drvdata(dev);
1095         struct azx *chip;
1096         struct hda_intel *hda;
1097
1098         if (!card)
1099                 return 0;
1100
1101         chip = card->private_data;
1102         hda = container_of(chip, struct hda_intel, chip);
1103         if (chip->disabled || hda->init_failed)
1104                 return 0;
1105
1106         if (!power_save_controller || !azx_has_pm_runtime(chip) ||
1107             azx_bus(chip)->codec_powered || !chip->running)
1108                 return -EBUSY;
1109
1110         return 0;
1111 }
1112
1113 static const struct dev_pm_ops azx_pm = {
1114         SET_SYSTEM_SLEEP_PM_OPS(azx_suspend, azx_resume)
1115 #ifdef CONFIG_PM_SLEEP
1116         .freeze_noirq = azx_freeze_noirq,
1117         .thaw_noirq = azx_thaw_noirq,
1118 #endif
1119         SET_RUNTIME_PM_OPS(azx_runtime_suspend, azx_runtime_resume, azx_runtime_idle)
1120 };
1121
1122 #define AZX_PM_OPS      &azx_pm
1123 #else
1124 #define AZX_PM_OPS      NULL
1125 #endif /* CONFIG_PM */
1126
1127
1128 static int azx_probe_continue(struct azx *chip);
1129
1130 #ifdef SUPPORT_VGA_SWITCHEROO
1131 static struct pci_dev *get_bound_vga(struct pci_dev *pci);
1132
1133 static void azx_vs_set_state(struct pci_dev *pci,
1134                              enum vga_switcheroo_state state)
1135 {
1136         struct snd_card *card = pci_get_drvdata(pci);
1137         struct azx *chip = card->private_data;
1138         struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1139         bool disabled;
1140
1141         wait_for_completion(&hda->probe_wait);
1142         if (hda->init_failed)
1143                 return;
1144
1145         disabled = (state == VGA_SWITCHEROO_OFF);
1146         if (chip->disabled == disabled)
1147                 return;
1148
1149         if (!hda->probe_continued) {
1150                 chip->disabled = disabled;
1151                 if (!disabled) {
1152                         dev_info(chip->card->dev,
1153                                  "Start delayed initialization\n");
1154                         if (azx_probe_continue(chip) < 0) {
1155                                 dev_err(chip->card->dev, "initialization error\n");
1156                                 hda->init_failed = true;
1157                         }
1158                 }
1159         } else {
1160                 dev_info(chip->card->dev, "%s via vga_switcheroo\n",
1161                          disabled ? "Disabling" : "Enabling");
1162                 if (disabled) {
1163                         pm_runtime_put_sync_suspend(card->dev);
1164                         azx_suspend(card->dev);
1165                         /* when we get suspended by vga_switcheroo we end up in D3cold,
1166                          * however we have no ACPI handle, so pci/acpi can't put us there,
1167                          * put ourselves there */
1168                         pci->current_state = PCI_D3cold;
1169                         chip->disabled = true;
1170                         if (snd_hda_lock_devices(&chip->bus))
1171                                 dev_warn(chip->card->dev,
1172                                          "Cannot lock devices!\n");
1173                 } else {
1174                         snd_hda_unlock_devices(&chip->bus);
1175                         pm_runtime_get_noresume(card->dev);
1176                         chip->disabled = false;
1177                         azx_resume(card->dev);
1178                 }
1179         }
1180 }
1181
1182 static bool azx_vs_can_switch(struct pci_dev *pci)
1183 {
1184         struct snd_card *card = pci_get_drvdata(pci);
1185         struct azx *chip = card->private_data;
1186         struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1187
1188         wait_for_completion(&hda->probe_wait);
1189         if (hda->init_failed)
1190                 return false;
1191         if (chip->disabled || !hda->probe_continued)
1192                 return true;
1193         if (snd_hda_lock_devices(&chip->bus))
1194                 return false;
1195         snd_hda_unlock_devices(&chip->bus);
1196         return true;
1197 }
1198
1199 static void init_vga_switcheroo(struct azx *chip)
1200 {
1201         struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1202         struct pci_dev *p = get_bound_vga(chip->pci);
1203         if (p) {
1204                 dev_info(chip->card->dev,
1205                          "Handle vga_switcheroo audio client\n");
1206                 hda->use_vga_switcheroo = 1;
1207                 pci_dev_put(p);
1208         }
1209 }
1210
1211 static const struct vga_switcheroo_client_ops azx_vs_ops = {
1212         .set_gpu_state = azx_vs_set_state,
1213         .can_switch = azx_vs_can_switch,
1214 };
1215
1216 static int register_vga_switcheroo(struct azx *chip)
1217 {
1218         struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1219         int err;
1220
1221         if (!hda->use_vga_switcheroo)
1222                 return 0;
1223         /* FIXME: currently only handling DIS controller
1224          * is there any machine with two switchable HDMI audio controllers?
1225          */
1226         err = vga_switcheroo_register_audio_client(chip->pci, &azx_vs_ops,
1227                                                    VGA_SWITCHEROO_DIS);
1228         if (err < 0)
1229                 return err;
1230         hda->vga_switcheroo_registered = 1;
1231
1232         /* register as an optimus hdmi audio power domain */
1233         vga_switcheroo_init_domain_pm_optimus_hdmi_audio(chip->card->dev,
1234                                                          &hda->hdmi_pm_domain);
1235         return 0;
1236 }
1237 #else
1238 #define init_vga_switcheroo(chip)               /* NOP */
1239 #define register_vga_switcheroo(chip)           0
1240 #define check_hdmi_disabled(pci)        false
1241 #endif /* SUPPORT_VGA_SWITCHER */
1242
1243 /*
1244  * destructor
1245  */
1246 static int azx_free(struct azx *chip)
1247 {
1248         struct pci_dev *pci = chip->pci;
1249         struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1250         struct hdac_bus *bus = azx_bus(chip);
1251
1252         if (azx_has_pm_runtime(chip) && chip->running)
1253                 pm_runtime_get_noresume(&pci->dev);
1254
1255         azx_del_card_list(chip);
1256
1257         hda->init_failed = 1; /* to be sure */
1258         complete_all(&hda->probe_wait);
1259
1260         if (use_vga_switcheroo(hda)) {
1261                 if (chip->disabled && hda->probe_continued)
1262                         snd_hda_unlock_devices(&chip->bus);
1263                 if (hda->vga_switcheroo_registered)
1264                         vga_switcheroo_unregister_client(chip->pci);
1265         }
1266
1267         if (bus->chip_init) {
1268                 azx_clear_irq_pending(chip);
1269                 azx_stop_all_streams(chip);
1270                 azx_stop_chip(chip);
1271         }
1272
1273         if (bus->irq >= 0)
1274                 free_irq(bus->irq, (void*)chip);
1275         if (chip->msi)
1276                 pci_disable_msi(chip->pci);
1277         iounmap(bus->remap_addr);
1278
1279         azx_free_stream_pages(chip);
1280         azx_free_streams(chip);
1281         snd_hdac_bus_exit(bus);
1282
1283         if (chip->region_requested)
1284                 pci_release_regions(chip->pci);
1285
1286         pci_disable_device(chip->pci);
1287 #ifdef CONFIG_SND_HDA_PATCH_LOADER
1288         release_firmware(chip->fw);
1289 #endif
1290
1291         if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) {
1292                 if (hda->need_i915_power)
1293                         snd_hdac_display_power(bus, false);
1294                 snd_hdac_i915_exit(bus);
1295         }
1296         kfree(hda);
1297
1298         return 0;
1299 }
1300
1301 static int azx_dev_disconnect(struct snd_device *device)
1302 {
1303         struct azx *chip = device->device_data;
1304
1305         chip->bus.shutdown = 1;
1306         return 0;
1307 }
1308
1309 static int azx_dev_free(struct snd_device *device)
1310 {
1311         return azx_free(device->device_data);
1312 }
1313
1314 #ifdef SUPPORT_VGA_SWITCHEROO
1315 /*
1316  * Check of disabled HDMI controller by vga_switcheroo
1317  */
1318 static struct pci_dev *get_bound_vga(struct pci_dev *pci)
1319 {
1320         struct pci_dev *p;
1321
1322         /* check only discrete GPU */
1323         switch (pci->vendor) {
1324         case PCI_VENDOR_ID_ATI:
1325         case PCI_VENDOR_ID_AMD:
1326         case PCI_VENDOR_ID_NVIDIA:
1327                 if (pci->devfn == 1) {
1328                         p = pci_get_domain_bus_and_slot(pci_domain_nr(pci->bus),
1329                                                         pci->bus->number, 0);
1330                         if (p) {
1331                                 if ((p->class >> 8) == PCI_CLASS_DISPLAY_VGA)
1332                                         return p;
1333                                 pci_dev_put(p);
1334                         }
1335                 }
1336                 break;
1337         }
1338         return NULL;
1339 }
1340
1341 static bool check_hdmi_disabled(struct pci_dev *pci)
1342 {
1343         bool vga_inactive = false;
1344         struct pci_dev *p = get_bound_vga(pci);
1345
1346         if (p) {
1347                 if (vga_switcheroo_get_client_state(p) == VGA_SWITCHEROO_OFF)
1348                         vga_inactive = true;
1349                 pci_dev_put(p);
1350         }
1351         return vga_inactive;
1352 }
1353 #endif /* SUPPORT_VGA_SWITCHEROO */
1354
1355 /*
1356  * white/black-listing for position_fix
1357  */
1358 static struct snd_pci_quirk position_fix_list[] = {
1359         SND_PCI_QUIRK(0x1028, 0x01cc, "Dell D820", POS_FIX_LPIB),
1360         SND_PCI_QUIRK(0x1028, 0x01de, "Dell Precision 390", POS_FIX_LPIB),
1361         SND_PCI_QUIRK(0x103c, 0x306d, "HP dv3", POS_FIX_LPIB),
1362         SND_PCI_QUIRK(0x1043, 0x813d, "ASUS P5AD2", POS_FIX_LPIB),
1363         SND_PCI_QUIRK(0x1043, 0x81b3, "ASUS", POS_FIX_LPIB),
1364         SND_PCI_QUIRK(0x1043, 0x81e7, "ASUS M2V", POS_FIX_LPIB),
1365         SND_PCI_QUIRK(0x104d, 0x9069, "Sony VPCS11V9E", POS_FIX_LPIB),
1366         SND_PCI_QUIRK(0x10de, 0xcb89, "Macbook Pro 7,1", POS_FIX_LPIB),
1367         SND_PCI_QUIRK(0x1297, 0x3166, "Shuttle", POS_FIX_LPIB),
1368         SND_PCI_QUIRK(0x1458, 0xa022, "ga-ma770-ud3", POS_FIX_LPIB),
1369         SND_PCI_QUIRK(0x1462, 0x1002, "MSI Wind U115", POS_FIX_LPIB),
1370         SND_PCI_QUIRK(0x1565, 0x8218, "Biostar Microtech", POS_FIX_LPIB),
1371         SND_PCI_QUIRK(0x1849, 0x0888, "775Dual-VSTA", POS_FIX_LPIB),
1372         SND_PCI_QUIRK(0x8086, 0x2503, "DG965OT AAD63733-203", POS_FIX_LPIB),
1373         {}
1374 };
1375
1376 static int check_position_fix(struct azx *chip, int fix)
1377 {
1378         const struct snd_pci_quirk *q;
1379
1380         switch (fix) {
1381         case POS_FIX_AUTO:
1382         case POS_FIX_LPIB:
1383         case POS_FIX_POSBUF:
1384         case POS_FIX_VIACOMBO:
1385         case POS_FIX_COMBO:
1386                 return fix;
1387         }
1388
1389         q = snd_pci_quirk_lookup(chip->pci, position_fix_list);
1390         if (q) {
1391                 dev_info(chip->card->dev,
1392                          "position_fix set to %d for device %04x:%04x\n",
1393                          q->value, q->subvendor, q->subdevice);
1394                 return q->value;
1395         }
1396
1397         /* Check VIA/ATI HD Audio Controller exist */
1398         if (chip->driver_type == AZX_DRIVER_VIA) {
1399                 dev_dbg(chip->card->dev, "Using VIACOMBO position fix\n");
1400                 return POS_FIX_VIACOMBO;
1401         }
1402         if (chip->driver_caps & AZX_DCAPS_POSFIX_LPIB) {
1403                 dev_dbg(chip->card->dev, "Using LPIB position fix\n");
1404                 return POS_FIX_LPIB;
1405         }
1406         return POS_FIX_AUTO;
1407 }
1408
1409 static void assign_position_fix(struct azx *chip, int fix)
1410 {
1411         static azx_get_pos_callback_t callbacks[] = {
1412                 [POS_FIX_AUTO] = NULL,
1413                 [POS_FIX_LPIB] = azx_get_pos_lpib,
1414                 [POS_FIX_POSBUF] = azx_get_pos_posbuf,
1415                 [POS_FIX_VIACOMBO] = azx_via_get_position,
1416                 [POS_FIX_COMBO] = azx_get_pos_lpib,
1417         };
1418
1419         chip->get_position[0] = chip->get_position[1] = callbacks[fix];
1420
1421         /* combo mode uses LPIB only for playback */
1422         if (fix == POS_FIX_COMBO)
1423                 chip->get_position[1] = NULL;
1424
1425         if (fix == POS_FIX_POSBUF &&
1426             (chip->driver_caps & AZX_DCAPS_COUNT_LPIB_DELAY)) {
1427                 chip->get_delay[0] = chip->get_delay[1] =
1428                         azx_get_delay_from_lpib;
1429         }
1430
1431 }
1432
1433 /*
1434  * black-lists for probe_mask
1435  */
1436 static struct snd_pci_quirk probe_mask_list[] = {
1437         /* Thinkpad often breaks the controller communication when accessing
1438          * to the non-working (or non-existing) modem codec slot.
1439          */
1440         SND_PCI_QUIRK(0x1014, 0x05b7, "Thinkpad Z60", 0x01),
1441         SND_PCI_QUIRK(0x17aa, 0x2010, "Thinkpad X/T/R60", 0x01),
1442         SND_PCI_QUIRK(0x17aa, 0x20ac, "Thinkpad X/T/R61", 0x01),
1443         /* broken BIOS */
1444         SND_PCI_QUIRK(0x1028, 0x20ac, "Dell Studio Desktop", 0x01),
1445         /* including bogus ALC268 in slot#2 that conflicts with ALC888 */
1446         SND_PCI_QUIRK(0x17c0, 0x4085, "Medion MD96630", 0x01),
1447         /* forced codec slots */
1448         SND_PCI_QUIRK(0x1043, 0x1262, "ASUS W5Fm", 0x103),
1449         SND_PCI_QUIRK(0x1046, 0x1262, "ASUS W5F", 0x103),
1450         /* WinFast VP200 H (Teradici) user reported broken communication */
1451         SND_PCI_QUIRK(0x3a21, 0x040d, "WinFast VP200 H", 0x101),
1452         {}
1453 };
1454
1455 #define AZX_FORCE_CODEC_MASK    0x100
1456
1457 static void check_probe_mask(struct azx *chip, int dev)
1458 {
1459         const struct snd_pci_quirk *q;
1460
1461         chip->codec_probe_mask = probe_mask[dev];
1462         if (chip->codec_probe_mask == -1) {
1463                 q = snd_pci_quirk_lookup(chip->pci, probe_mask_list);
1464                 if (q) {
1465                         dev_info(chip->card->dev,
1466                                  "probe_mask set to 0x%x for device %04x:%04x\n",
1467                                  q->value, q->subvendor, q->subdevice);
1468                         chip->codec_probe_mask = q->value;
1469                 }
1470         }
1471
1472         /* check forced option */
1473         if (chip->codec_probe_mask != -1 &&
1474             (chip->codec_probe_mask & AZX_FORCE_CODEC_MASK)) {
1475                 azx_bus(chip)->codec_mask = chip->codec_probe_mask & 0xff;
1476                 dev_info(chip->card->dev, "codec_mask forced to 0x%x\n",
1477                          (int)azx_bus(chip)->codec_mask);
1478         }
1479 }
1480
1481 /*
1482  * white/black-list for enable_msi
1483  */
1484 static struct snd_pci_quirk msi_black_list[] = {
1485         SND_PCI_QUIRK(0x103c, 0x2191, "HP", 0), /* AMD Hudson */
1486         SND_PCI_QUIRK(0x103c, 0x2192, "HP", 0), /* AMD Hudson */
1487         SND_PCI_QUIRK(0x103c, 0x21f7, "HP", 0), /* AMD Hudson */
1488         SND_PCI_QUIRK(0x103c, 0x21fa, "HP", 0), /* AMD Hudson */
1489         SND_PCI_QUIRK(0x1043, 0x81f2, "ASUS", 0), /* Athlon64 X2 + nvidia */
1490         SND_PCI_QUIRK(0x1043, 0x81f6, "ASUS", 0), /* nvidia */
1491         SND_PCI_QUIRK(0x1043, 0x822d, "ASUS", 0), /* Athlon64 X2 + nvidia MCP55 */
1492         SND_PCI_QUIRK(0x1179, 0xfb44, "Toshiba Satellite C870", 0), /* AMD Hudson */
1493         SND_PCI_QUIRK(0x1849, 0x0888, "ASRock", 0), /* Athlon64 X2 + nvidia */
1494         SND_PCI_QUIRK(0xa0a0, 0x0575, "Aopen MZ915-M", 0), /* ICH6 */
1495         {}
1496 };
1497
1498 static void check_msi(struct azx *chip)
1499 {
1500         const struct snd_pci_quirk *q;
1501
1502         if (enable_msi >= 0) {
1503                 chip->msi = !!enable_msi;
1504                 return;
1505         }
1506         chip->msi = 1;  /* enable MSI as default */
1507         q = snd_pci_quirk_lookup(chip->pci, msi_black_list);
1508         if (q) {
1509                 dev_info(chip->card->dev,
1510                          "msi for device %04x:%04x set to %d\n",
1511                          q->subvendor, q->subdevice, q->value);
1512                 chip->msi = q->value;
1513                 return;
1514         }
1515
1516         /* NVidia chipsets seem to cause troubles with MSI */
1517         if (chip->driver_caps & AZX_DCAPS_NO_MSI) {
1518                 dev_info(chip->card->dev, "Disabling MSI\n");
1519                 chip->msi = 0;
1520         }
1521 }
1522
1523 /* check the snoop mode availability */
1524 static void azx_check_snoop_available(struct azx *chip)
1525 {
1526         int snoop = hda_snoop;
1527
1528         if (snoop >= 0) {
1529                 dev_info(chip->card->dev, "Force to %s mode by module option\n",
1530                          snoop ? "snoop" : "non-snoop");
1531                 chip->snoop = snoop;
1532                 return;
1533         }
1534
1535         snoop = true;
1536         if (azx_get_snoop_type(chip) == AZX_SNOOP_TYPE_NONE &&
1537             chip->driver_type == AZX_DRIVER_VIA) {
1538                 /* force to non-snoop mode for a new VIA controller
1539                  * when BIOS is set
1540                  */
1541                 u8 val;
1542                 pci_read_config_byte(chip->pci, 0x42, &val);
1543                 if (!(val & 0x80) && chip->pci->revision == 0x30)
1544                         snoop = false;
1545         }
1546
1547         if (chip->driver_caps & AZX_DCAPS_SNOOP_OFF)
1548                 snoop = false;
1549
1550         chip->snoop = snoop;
1551         if (!snoop)
1552                 dev_info(chip->card->dev, "Force to non-snoop mode\n");
1553 }
1554
1555 static void azx_probe_work(struct work_struct *work)
1556 {
1557         struct hda_intel *hda = container_of(work, struct hda_intel, probe_work);
1558         azx_probe_continue(&hda->chip);
1559 }
1560
1561 static int default_bdl_pos_adj(struct azx *chip)
1562 {
1563         /* some exceptions: Atoms seem problematic with value 1 */
1564         if (chip->pci->vendor == PCI_VENDOR_ID_INTEL) {
1565                 switch (chip->pci->device) {
1566                 case 0x0f04: /* Baytrail */
1567                 case 0x2284: /* Braswell */
1568                         return 32;
1569                 }
1570         }
1571
1572         switch (chip->driver_type) {
1573         case AZX_DRIVER_ICH:
1574         case AZX_DRIVER_PCH:
1575                 return 1;
1576         default:
1577                 return 32;
1578         }
1579 }
1580
1581 /*
1582  * constructor
1583  */
1584 static const struct hdac_io_ops pci_hda_io_ops;
1585 static const struct hda_controller_ops pci_hda_ops;
1586
1587 static int azx_create(struct snd_card *card, struct pci_dev *pci,
1588                       int dev, unsigned int driver_caps,
1589                       struct azx **rchip)
1590 {
1591         static struct snd_device_ops ops = {
1592                 .dev_disconnect = azx_dev_disconnect,
1593                 .dev_free = azx_dev_free,
1594         };
1595         struct hda_intel *hda;
1596         struct azx *chip;
1597         int err;
1598
1599         *rchip = NULL;
1600
1601         err = pci_enable_device(pci);
1602         if (err < 0)
1603                 return err;
1604
1605         hda = kzalloc(sizeof(*hda), GFP_KERNEL);
1606         if (!hda) {
1607                 pci_disable_device(pci);
1608                 return -ENOMEM;
1609         }
1610
1611         chip = &hda->chip;
1612         mutex_init(&chip->open_mutex);
1613         chip->card = card;
1614         chip->pci = pci;
1615         chip->ops = &pci_hda_ops;
1616         chip->driver_caps = driver_caps;
1617         chip->driver_type = driver_caps & 0xff;
1618         check_msi(chip);
1619         chip->dev_index = dev;
1620         chip->jackpoll_ms = jackpoll_ms;
1621         INIT_LIST_HEAD(&chip->pcm_list);
1622         INIT_WORK(&hda->irq_pending_work, azx_irq_pending_work);
1623         INIT_LIST_HEAD(&hda->list);
1624         init_vga_switcheroo(chip);
1625         init_completion(&hda->probe_wait);
1626
1627         assign_position_fix(chip, check_position_fix(chip, position_fix[dev]));
1628
1629         check_probe_mask(chip, dev);
1630
1631         chip->single_cmd = single_cmd;
1632         azx_check_snoop_available(chip);
1633
1634         if (bdl_pos_adj[dev] < 0)
1635                 chip->bdl_pos_adj = default_bdl_pos_adj(chip);
1636         else
1637                 chip->bdl_pos_adj = bdl_pos_adj[dev];
1638
1639         err = azx_bus_init(chip, model[dev], &pci_hda_io_ops);
1640         if (err < 0) {
1641                 kfree(hda);
1642                 pci_disable_device(pci);
1643                 return err;
1644         }
1645
1646         if (chip->driver_type == AZX_DRIVER_NVIDIA) {
1647                 dev_dbg(chip->card->dev, "Enable delay in RIRB handling\n");
1648                 chip->bus.needs_damn_long_delay = 1;
1649         }
1650
1651         err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
1652         if (err < 0) {
1653                 dev_err(card->dev, "Error creating device [card]!\n");
1654                 azx_free(chip);
1655                 return err;
1656         }
1657
1658         /* continue probing in work context as may trigger request module */
1659         INIT_WORK(&hda->probe_work, azx_probe_work);
1660
1661         *rchip = chip;
1662
1663         return 0;
1664 }
1665
1666 static int azx_first_init(struct azx *chip)
1667 {
1668         int dev = chip->dev_index;
1669         struct pci_dev *pci = chip->pci;
1670         struct snd_card *card = chip->card;
1671         struct hdac_bus *bus = azx_bus(chip);
1672         int err;
1673         unsigned short gcap;
1674         unsigned int dma_bits = 64;
1675
1676 #if BITS_PER_LONG != 64
1677         /* Fix up base address on ULI M5461 */
1678         if (chip->driver_type == AZX_DRIVER_ULI) {
1679                 u16 tmp3;
1680                 pci_read_config_word(pci, 0x40, &tmp3);
1681                 pci_write_config_word(pci, 0x40, tmp3 | 0x10);
1682                 pci_write_config_dword(pci, PCI_BASE_ADDRESS_1, 0);
1683         }
1684 #endif
1685
1686         err = pci_request_regions(pci, "ICH HD audio");
1687         if (err < 0)
1688                 return err;
1689         chip->region_requested = 1;
1690
1691         bus->addr = pci_resource_start(pci, 0);
1692         bus->remap_addr = pci_ioremap_bar(pci, 0);
1693         if (bus->remap_addr == NULL) {
1694                 dev_err(card->dev, "ioremap error\n");
1695                 return -ENXIO;
1696         }
1697
1698         if (chip->msi) {
1699                 if (chip->driver_caps & AZX_DCAPS_NO_MSI64) {
1700                         dev_dbg(card->dev, "Disabling 64bit MSI\n");
1701                         pci->no_64bit_msi = true;
1702                 }
1703                 if (pci_enable_msi(pci) < 0)
1704                         chip->msi = 0;
1705         }
1706
1707         if (azx_acquire_irq(chip, 0) < 0)
1708                 return -EBUSY;
1709
1710         pci_set_master(pci);
1711         synchronize_irq(bus->irq);
1712
1713         gcap = azx_readw(chip, GCAP);
1714         dev_dbg(card->dev, "chipset global capabilities = 0x%x\n", gcap);
1715
1716         /* AMD devices support 40 or 48bit DMA, take the safe one */
1717         if (chip->pci->vendor == PCI_VENDOR_ID_AMD)
1718                 dma_bits = 40;
1719
1720         /* disable SB600 64bit support for safety */
1721         if (chip->pci->vendor == PCI_VENDOR_ID_ATI) {
1722                 struct pci_dev *p_smbus;
1723                 dma_bits = 40;
1724                 p_smbus = pci_get_device(PCI_VENDOR_ID_ATI,
1725                                          PCI_DEVICE_ID_ATI_SBX00_SMBUS,
1726                                          NULL);
1727                 if (p_smbus) {
1728                         if (p_smbus->revision < 0x30)
1729                                 gcap &= ~AZX_GCAP_64OK;
1730                         pci_dev_put(p_smbus);
1731                 }
1732         }
1733
1734         /* disable 64bit DMA address on some devices */
1735         if (chip->driver_caps & AZX_DCAPS_NO_64BIT) {
1736                 dev_dbg(card->dev, "Disabling 64bit DMA\n");
1737                 gcap &= ~AZX_GCAP_64OK;
1738         }
1739
1740         /* disable buffer size rounding to 128-byte multiples if supported */
1741         if (align_buffer_size >= 0)
1742                 chip->align_buffer_size = !!align_buffer_size;
1743         else {
1744                 if (chip->driver_caps & AZX_DCAPS_NO_ALIGN_BUFSIZE)
1745                         chip->align_buffer_size = 0;
1746                 else
1747                         chip->align_buffer_size = 1;
1748         }
1749
1750         /* allow 64bit DMA address if supported by H/W */
1751         if (!(gcap & AZX_GCAP_64OK))
1752                 dma_bits = 32;
1753         if (!dma_set_mask(&pci->dev, DMA_BIT_MASK(dma_bits))) {
1754                 dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(dma_bits));
1755         } else {
1756                 dma_set_mask(&pci->dev, DMA_BIT_MASK(32));
1757                 dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(32));
1758         }
1759
1760         /* read number of streams from GCAP register instead of using
1761          * hardcoded value
1762          */
1763         chip->capture_streams = (gcap >> 8) & 0x0f;
1764         chip->playback_streams = (gcap >> 12) & 0x0f;
1765         if (!chip->playback_streams && !chip->capture_streams) {
1766                 /* gcap didn't give any info, switching to old method */
1767
1768                 switch (chip->driver_type) {
1769                 case AZX_DRIVER_ULI:
1770                         chip->playback_streams = ULI_NUM_PLAYBACK;
1771                         chip->capture_streams = ULI_NUM_CAPTURE;
1772                         break;
1773                 case AZX_DRIVER_ATIHDMI:
1774                 case AZX_DRIVER_ATIHDMI_NS:
1775                         chip->playback_streams = ATIHDMI_NUM_PLAYBACK;
1776                         chip->capture_streams = ATIHDMI_NUM_CAPTURE;
1777                         break;
1778                 case AZX_DRIVER_GENERIC:
1779                 default:
1780                         chip->playback_streams = ICH6_NUM_PLAYBACK;
1781                         chip->capture_streams = ICH6_NUM_CAPTURE;
1782                         break;
1783                 }
1784         }
1785         chip->capture_index_offset = 0;
1786         chip->playback_index_offset = chip->capture_streams;
1787         chip->num_streams = chip->playback_streams + chip->capture_streams;
1788
1789         /* initialize streams */
1790         err = azx_init_streams(chip);
1791         if (err < 0)
1792                 return err;
1793
1794         err = azx_alloc_stream_pages(chip);
1795         if (err < 0)
1796                 return err;
1797
1798         /* initialize chip */
1799         azx_init_pci(chip);
1800
1801         if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) {
1802                 struct hda_intel *hda;
1803
1804                 hda = container_of(chip, struct hda_intel, chip);
1805                 haswell_set_bclk(hda);
1806         }
1807
1808         hda_intel_init_chip(chip, (probe_only[dev] & 2) == 0);
1809
1810         /* codec detection */
1811         if (!azx_bus(chip)->codec_mask) {
1812                 dev_err(card->dev, "no codecs found!\n");
1813                 return -ENODEV;
1814         }
1815
1816         strcpy(card->driver, "HDA-Intel");
1817         strlcpy(card->shortname, driver_short_names[chip->driver_type],
1818                 sizeof(card->shortname));
1819         snprintf(card->longname, sizeof(card->longname),
1820                  "%s at 0x%lx irq %i",
1821                  card->shortname, bus->addr, bus->irq);
1822
1823         return 0;
1824 }
1825
1826 #ifdef CONFIG_SND_HDA_PATCH_LOADER
1827 /* callback from request_firmware_nowait() */
1828 static void azx_firmware_cb(const struct firmware *fw, void *context)
1829 {
1830         struct snd_card *card = context;
1831         struct azx *chip = card->private_data;
1832         struct pci_dev *pci = chip->pci;
1833
1834         if (!fw) {
1835                 dev_err(card->dev, "Cannot load firmware, aborting\n");
1836                 goto error;
1837         }
1838
1839         chip->fw = fw;
1840         if (!chip->disabled) {
1841                 /* continue probing */
1842                 if (azx_probe_continue(chip))
1843                         goto error;
1844         }
1845         return; /* OK */
1846
1847  error:
1848         snd_card_free(card);
1849         pci_set_drvdata(pci, NULL);
1850 }
1851 #endif
1852
1853 /*
1854  * HDA controller ops.
1855  */
1856
1857 /* PCI register access. */
1858 static void pci_azx_writel(u32 value, u32 __iomem *addr)
1859 {
1860         writel(value, addr);
1861 }
1862
1863 static u32 pci_azx_readl(u32 __iomem *addr)
1864 {
1865         return readl(addr);
1866 }
1867
1868 static void pci_azx_writew(u16 value, u16 __iomem *addr)
1869 {
1870         writew(value, addr);
1871 }
1872
1873 static u16 pci_azx_readw(u16 __iomem *addr)
1874 {
1875         return readw(addr);
1876 }
1877
1878 static void pci_azx_writeb(u8 value, u8 __iomem *addr)
1879 {
1880         writeb(value, addr);
1881 }
1882
1883 static u8 pci_azx_readb(u8 __iomem *addr)
1884 {
1885         return readb(addr);
1886 }
1887
1888 static int disable_msi_reset_irq(struct azx *chip)
1889 {
1890         struct hdac_bus *bus = azx_bus(chip);
1891         int err;
1892
1893         free_irq(bus->irq, chip);
1894         bus->irq = -1;
1895         pci_disable_msi(chip->pci);
1896         chip->msi = 0;
1897         err = azx_acquire_irq(chip, 1);
1898         if (err < 0)
1899                 return err;
1900
1901         return 0;
1902 }
1903
1904 /* DMA page allocation helpers.  */
1905 static int dma_alloc_pages(struct hdac_bus *bus,
1906                            int type,
1907                            size_t size,
1908                            struct snd_dma_buffer *buf)
1909 {
1910         struct azx *chip = bus_to_azx(bus);
1911         int err;
1912
1913         err = snd_dma_alloc_pages(type,
1914                                   bus->dev,
1915                                   size, buf);
1916         if (err < 0)
1917                 return err;
1918         mark_pages_wc(chip, buf, true);
1919         return 0;
1920 }
1921
1922 static void dma_free_pages(struct hdac_bus *bus, struct snd_dma_buffer *buf)
1923 {
1924         struct azx *chip = bus_to_azx(bus);
1925
1926         mark_pages_wc(chip, buf, false);
1927         snd_dma_free_pages(buf);
1928 }
1929
1930 static int substream_alloc_pages(struct azx *chip,
1931                                  struct snd_pcm_substream *substream,
1932                                  size_t size)
1933 {
1934         struct azx_dev *azx_dev = get_azx_dev(substream);
1935         int ret;
1936
1937         mark_runtime_wc(chip, azx_dev, substream, false);
1938         ret = snd_pcm_lib_malloc_pages(substream, size);
1939         if (ret < 0)
1940                 return ret;
1941         mark_runtime_wc(chip, azx_dev, substream, true);
1942         return 0;
1943 }
1944
1945 static int substream_free_pages(struct azx *chip,
1946                                 struct snd_pcm_substream *substream)
1947 {
1948         struct azx_dev *azx_dev = get_azx_dev(substream);
1949         mark_runtime_wc(chip, azx_dev, substream, false);
1950         return snd_pcm_lib_free_pages(substream);
1951 }
1952
1953 static void pcm_mmap_prepare(struct snd_pcm_substream *substream,
1954                              struct vm_area_struct *area)
1955 {
1956 #ifdef CONFIG_X86
1957         struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1958         struct azx *chip = apcm->chip;
1959         if (!azx_snoop(chip) && chip->driver_type != AZX_DRIVER_CMEDIA)
1960                 area->vm_page_prot = pgprot_writecombine(area->vm_page_prot);
1961 #endif
1962 }
1963
1964 static const struct hdac_io_ops pci_hda_io_ops = {
1965         .reg_writel = pci_azx_writel,
1966         .reg_readl = pci_azx_readl,
1967         .reg_writew = pci_azx_writew,
1968         .reg_readw = pci_azx_readw,
1969         .reg_writeb = pci_azx_writeb,
1970         .reg_readb = pci_azx_readb,
1971         .dma_alloc_pages = dma_alloc_pages,
1972         .dma_free_pages = dma_free_pages,
1973 };
1974
1975 static const struct hda_controller_ops pci_hda_ops = {
1976         .disable_msi_reset_irq = disable_msi_reset_irq,
1977         .substream_alloc_pages = substream_alloc_pages,
1978         .substream_free_pages = substream_free_pages,
1979         .pcm_mmap_prepare = pcm_mmap_prepare,
1980         .position_check = azx_position_check,
1981         .link_power = azx_intel_link_power,
1982 };
1983
1984 static int azx_probe(struct pci_dev *pci,
1985                      const struct pci_device_id *pci_id)
1986 {
1987         static int dev;
1988         struct snd_card *card;
1989         struct hda_intel *hda;
1990         struct azx *chip;
1991         bool schedule_probe;
1992         int err;
1993
1994         if (dev >= SNDRV_CARDS)
1995                 return -ENODEV;
1996         if (!enable[dev]) {
1997                 dev++;
1998                 return -ENOENT;
1999         }
2000
2001         err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2002                            0, &card);
2003         if (err < 0) {
2004                 dev_err(&pci->dev, "Error creating card!\n");
2005                 return err;
2006         }
2007
2008         err = azx_create(card, pci, dev, pci_id->driver_data, &chip);
2009         if (err < 0)
2010                 goto out_free;
2011         card->private_data = chip;
2012         hda = container_of(chip, struct hda_intel, chip);
2013
2014         pci_set_drvdata(pci, card);
2015
2016         err = register_vga_switcheroo(chip);
2017         if (err < 0) {
2018                 dev_err(card->dev, "Error registering vga_switcheroo client\n");
2019                 goto out_free;
2020         }
2021
2022         if (check_hdmi_disabled(pci)) {
2023                 dev_info(card->dev, "VGA controller is disabled\n");
2024                 dev_info(card->dev, "Delaying initialization\n");
2025                 chip->disabled = true;
2026         }
2027
2028         schedule_probe = !chip->disabled;
2029
2030 #ifdef CONFIG_SND_HDA_PATCH_LOADER
2031         if (patch[dev] && *patch[dev]) {
2032                 dev_info(card->dev, "Applying patch firmware '%s'\n",
2033                          patch[dev]);
2034                 err = request_firmware_nowait(THIS_MODULE, true, patch[dev],
2035                                               &pci->dev, GFP_KERNEL, card,
2036                                               azx_firmware_cb);
2037                 if (err < 0)
2038                         goto out_free;
2039                 schedule_probe = false; /* continued in azx_firmware_cb() */
2040         }
2041 #endif /* CONFIG_SND_HDA_PATCH_LOADER */
2042
2043 #ifndef CONFIG_SND_HDA_I915
2044         if (CONTROLLER_IN_GPU(pci))
2045                 dev_err(card->dev, "Haswell/Broadwell HDMI/DP must build in CONFIG_SND_HDA_I915\n");
2046 #endif
2047
2048         if (schedule_probe)
2049                 schedule_work(&hda->probe_work);
2050
2051         dev++;
2052         if (chip->disabled)
2053                 complete_all(&hda->probe_wait);
2054         return 0;
2055
2056 out_free:
2057         snd_card_free(card);
2058         return err;
2059 }
2060
2061 /* number of codec slots for each chipset: 0 = default slots (i.e. 4) */
2062 static unsigned int azx_max_codecs[AZX_NUM_DRIVERS] = {
2063         [AZX_DRIVER_NVIDIA] = 8,
2064         [AZX_DRIVER_TERA] = 1,
2065 };
2066
2067 static int azx_probe_continue(struct azx *chip)
2068 {
2069         struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
2070         struct hdac_bus *bus = azx_bus(chip);
2071         struct pci_dev *pci = chip->pci;
2072         int dev = chip->dev_index;
2073         int err;
2074
2075         hda->probe_continued = 1;
2076
2077         /* Request display power well for the HDA controller or codec. For
2078          * Haswell/Broadwell, both the display HDA controller and codec need
2079          * this power. For other platforms, like Baytrail/Braswell, only the
2080          * display codec needs the power and it can be released after probe.
2081          */
2082         if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) {
2083                 /* HSW/BDW controllers need this power */
2084                 if (CONTROLLER_IN_GPU(pci))
2085                         hda->need_i915_power = 1;
2086
2087                 err = snd_hdac_i915_init(bus);
2088                 if (err < 0) {
2089                         /* if the controller is bound only with HDMI/DP
2090                          * (for HSW and BDW), we need to abort the probe;
2091                          * for other chips, still continue probing as other
2092                          * codecs can be on the same link.
2093                          */
2094                         if (CONTROLLER_IN_GPU(pci)) {
2095                                 dev_err(chip->card->dev,
2096                                         "HSW/BDW HD-audio HDMI/DP requires binding with gfx driver\n");
2097                                 goto out_free;
2098                         } else
2099                                 goto skip_i915;
2100                 }
2101
2102                 err = snd_hdac_display_power(bus, true);
2103                 if (err < 0) {
2104                         dev_err(chip->card->dev,
2105                                 "Cannot turn on display power on i915\n");
2106                         goto i915_power_fail;
2107                 }
2108         }
2109
2110  skip_i915:
2111         err = azx_first_init(chip);
2112         if (err < 0)
2113                 goto out_free;
2114
2115 #ifdef CONFIG_SND_HDA_INPUT_BEEP
2116         chip->beep_mode = beep_mode[dev];
2117 #endif
2118
2119         /* create codec instances */
2120         err = azx_probe_codecs(chip, azx_max_codecs[chip->driver_type]);
2121         if (err < 0)
2122                 goto out_free;
2123
2124 #ifdef CONFIG_SND_HDA_PATCH_LOADER
2125         if (chip->fw) {
2126                 err = snd_hda_load_patch(&chip->bus, chip->fw->size,
2127                                          chip->fw->data);
2128                 if (err < 0)
2129                         goto out_free;
2130 #ifndef CONFIG_PM
2131                 release_firmware(chip->fw); /* no longer needed */
2132                 chip->fw = NULL;
2133 #endif
2134         }
2135 #endif
2136         if ((probe_only[dev] & 1) == 0) {
2137                 err = azx_codec_configure(chip);
2138                 if (err < 0)
2139                         goto out_free;
2140         }
2141
2142         err = snd_card_register(chip->card);
2143         if (err < 0)
2144                 goto out_free;
2145
2146         chip->running = 1;
2147         azx_add_card_list(chip);
2148         snd_hda_set_power_save(&chip->bus, power_save * 1000);
2149         if (azx_has_pm_runtime(chip) || hda->use_vga_switcheroo)
2150                 pm_runtime_put_noidle(&pci->dev);
2151
2152 out_free:
2153         if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL
2154                 && !hda->need_i915_power)
2155                 snd_hdac_display_power(bus, false);
2156
2157 i915_power_fail:
2158         if (err < 0)
2159                 hda->init_failed = 1;
2160         complete_all(&hda->probe_wait);
2161         return err;
2162 }
2163
2164 static void azx_remove(struct pci_dev *pci)
2165 {
2166         struct snd_card *card = pci_get_drvdata(pci);
2167         struct azx *chip;
2168         struct hda_intel *hda;
2169
2170         if (card) {
2171                 /* flush the pending probing work */
2172                 chip = card->private_data;
2173                 hda = container_of(chip, struct hda_intel, chip);
2174                 flush_work(&hda->probe_work);
2175
2176                 snd_card_free(card);
2177         }
2178 }
2179
2180 static void azx_shutdown(struct pci_dev *pci)
2181 {
2182         struct snd_card *card = pci_get_drvdata(pci);
2183         struct azx *chip;
2184
2185         if (!card)
2186                 return;
2187         chip = card->private_data;
2188         if (chip && chip->running)
2189                 azx_stop_chip(chip);
2190 }
2191
2192 /* PCI IDs */
2193 static const struct pci_device_id azx_ids[] = {
2194         /* CPT */
2195         { PCI_DEVICE(0x8086, 0x1c20),
2196           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM },
2197         /* PBG */
2198         { PCI_DEVICE(0x8086, 0x1d20),
2199           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM },
2200         /* Panther Point */
2201         { PCI_DEVICE(0x8086, 0x1e20),
2202           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM },
2203         /* Lynx Point */
2204         { PCI_DEVICE(0x8086, 0x8c20),
2205           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2206         /* 9 Series */
2207         { PCI_DEVICE(0x8086, 0x8ca0),
2208           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2209         /* Wellsburg */
2210         { PCI_DEVICE(0x8086, 0x8d20),
2211           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2212         { PCI_DEVICE(0x8086, 0x8d21),
2213           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2214         /* Lewisburg */
2215         { PCI_DEVICE(0x8086, 0xa1f0),
2216           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2217         { PCI_DEVICE(0x8086, 0xa270),
2218           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2219         /* Lynx Point-LP */
2220         { PCI_DEVICE(0x8086, 0x9c20),
2221           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2222         /* Lynx Point-LP */
2223         { PCI_DEVICE(0x8086, 0x9c21),
2224           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2225         /* Wildcat Point-LP */
2226         { PCI_DEVICE(0x8086, 0x9ca0),
2227           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2228         /* Sunrise Point */
2229         { PCI_DEVICE(0x8086, 0xa170),
2230           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE },
2231         /* Sunrise Point-LP */
2232         { PCI_DEVICE(0x8086, 0x9d70),
2233           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE },
2234         /* Broxton-P(Apollolake) */
2235         { PCI_DEVICE(0x8086, 0x5a98),
2236           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BROXTON },
2237         /* Haswell */
2238         { PCI_DEVICE(0x8086, 0x0a0c),
2239           .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL },
2240         { PCI_DEVICE(0x8086, 0x0c0c),
2241           .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL },
2242         { PCI_DEVICE(0x8086, 0x0d0c),
2243           .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL },
2244         /* Broadwell */
2245         { PCI_DEVICE(0x8086, 0x160c),
2246           .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_BROADWELL },
2247         /* 5 Series/3400 */
2248         { PCI_DEVICE(0x8086, 0x3b56),
2249           .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_NOPM },
2250         /* Poulsbo */
2251         { PCI_DEVICE(0x8086, 0x811b),
2252           .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_BASE },
2253         /* Oaktrail */
2254         { PCI_DEVICE(0x8086, 0x080a),
2255           .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_BASE },
2256         /* BayTrail */
2257         { PCI_DEVICE(0x8086, 0x0f04),
2258           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BAYTRAIL },
2259         /* Braswell */
2260         { PCI_DEVICE(0x8086, 0x2284),
2261           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BRASWELL },
2262         /* ICH6 */
2263         { PCI_DEVICE(0x8086, 0x2668),
2264           .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2265         /* ICH7 */
2266         { PCI_DEVICE(0x8086, 0x27d8),
2267           .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2268         /* ESB2 */
2269         { PCI_DEVICE(0x8086, 0x269a),
2270           .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2271         /* ICH8 */
2272         { PCI_DEVICE(0x8086, 0x284b),
2273           .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2274         /* ICH9 */
2275         { PCI_DEVICE(0x8086, 0x293e),
2276           .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2277         /* ICH9 */
2278         { PCI_DEVICE(0x8086, 0x293f),
2279           .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2280         /* ICH10 */
2281         { PCI_DEVICE(0x8086, 0x3a3e),
2282           .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2283         /* ICH10 */
2284         { PCI_DEVICE(0x8086, 0x3a6e),
2285           .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2286         /* Generic Intel */
2287         { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_ANY_ID),
2288           .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2289           .class_mask = 0xffffff,
2290           .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_NO_ALIGN_BUFSIZE },
2291         /* ATI SB 450/600/700/800/900 */
2292         { PCI_DEVICE(0x1002, 0x437b),
2293           .driver_data = AZX_DRIVER_ATI | AZX_DCAPS_PRESET_ATI_SB },
2294         { PCI_DEVICE(0x1002, 0x4383),
2295           .driver_data = AZX_DRIVER_ATI | AZX_DCAPS_PRESET_ATI_SB },
2296         /* AMD Hudson */
2297         { PCI_DEVICE(0x1022, 0x780d),
2298           .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB },
2299         /* ATI HDMI */
2300         { PCI_DEVICE(0x1002, 0x1308),
2301           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2302         { PCI_DEVICE(0x1002, 0x157a),
2303           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2304         { PCI_DEVICE(0x1002, 0x793b),
2305           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2306         { PCI_DEVICE(0x1002, 0x7919),
2307           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2308         { PCI_DEVICE(0x1002, 0x960f),
2309           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2310         { PCI_DEVICE(0x1002, 0x970f),
2311           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2312         { PCI_DEVICE(0x1002, 0x9840),
2313           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2314         { PCI_DEVICE(0x1002, 0xaa00),
2315           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2316         { PCI_DEVICE(0x1002, 0xaa08),
2317           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2318         { PCI_DEVICE(0x1002, 0xaa10),
2319           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2320         { PCI_DEVICE(0x1002, 0xaa18),
2321           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2322         { PCI_DEVICE(0x1002, 0xaa20),
2323           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2324         { PCI_DEVICE(0x1002, 0xaa28),
2325           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2326         { PCI_DEVICE(0x1002, 0xaa30),
2327           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2328         { PCI_DEVICE(0x1002, 0xaa38),
2329           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2330         { PCI_DEVICE(0x1002, 0xaa40),
2331           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2332         { PCI_DEVICE(0x1002, 0xaa48),
2333           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2334         { PCI_DEVICE(0x1002, 0xaa50),
2335           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2336         { PCI_DEVICE(0x1002, 0xaa58),
2337           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2338         { PCI_DEVICE(0x1002, 0xaa60),
2339           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2340         { PCI_DEVICE(0x1002, 0xaa68),
2341           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2342         { PCI_DEVICE(0x1002, 0xaa80),
2343           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2344         { PCI_DEVICE(0x1002, 0xaa88),
2345           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2346         { PCI_DEVICE(0x1002, 0xaa90),
2347           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2348         { PCI_DEVICE(0x1002, 0xaa98),
2349           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2350         { PCI_DEVICE(0x1002, 0x9902),
2351           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2352         { PCI_DEVICE(0x1002, 0xaaa0),
2353           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2354         { PCI_DEVICE(0x1002, 0xaaa8),
2355           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2356         { PCI_DEVICE(0x1002, 0xaab0),
2357           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2358         { PCI_DEVICE(0x1002, 0xaac0),
2359           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2360         { PCI_DEVICE(0x1002, 0xaac8),
2361           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2362         { PCI_DEVICE(0x1002, 0xaad8),
2363           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2364         { PCI_DEVICE(0x1002, 0xaae8),
2365           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2366         /* VIA VT8251/VT8237A */
2367         { PCI_DEVICE(0x1106, 0x3288), .driver_data = AZX_DRIVER_VIA },
2368         /* VIA GFX VT7122/VX900 */
2369         { PCI_DEVICE(0x1106, 0x9170), .driver_data = AZX_DRIVER_GENERIC },
2370         /* VIA GFX VT6122/VX11 */
2371         { PCI_DEVICE(0x1106, 0x9140), .driver_data = AZX_DRIVER_GENERIC },
2372         /* SIS966 */
2373         { PCI_DEVICE(0x1039, 0x7502), .driver_data = AZX_DRIVER_SIS },
2374         /* ULI M5461 */
2375         { PCI_DEVICE(0x10b9, 0x5461), .driver_data = AZX_DRIVER_ULI },
2376         /* NVIDIA MCP */
2377         { PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
2378           .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2379           .class_mask = 0xffffff,
2380           .driver_data = AZX_DRIVER_NVIDIA | AZX_DCAPS_PRESET_NVIDIA },
2381         /* Teradici */
2382         { PCI_DEVICE(0x6549, 0x1200),
2383           .driver_data = AZX_DRIVER_TERA | AZX_DCAPS_NO_64BIT },
2384         { PCI_DEVICE(0x6549, 0x2200),
2385           .driver_data = AZX_DRIVER_TERA | AZX_DCAPS_NO_64BIT },
2386         /* Creative X-Fi (CA0110-IBG) */
2387         /* CTHDA chips */
2388         { PCI_DEVICE(0x1102, 0x0010),
2389           .driver_data = AZX_DRIVER_CTHDA | AZX_DCAPS_PRESET_CTHDA },
2390         { PCI_DEVICE(0x1102, 0x0012),
2391           .driver_data = AZX_DRIVER_CTHDA | AZX_DCAPS_PRESET_CTHDA },
2392 #if !IS_ENABLED(CONFIG_SND_CTXFI)
2393         /* the following entry conflicts with snd-ctxfi driver,
2394          * as ctxfi driver mutates from HD-audio to native mode with
2395          * a special command sequence.
2396          */
2397         { PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_ANY_ID),
2398           .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2399           .class_mask = 0xffffff,
2400           .driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND |
2401           AZX_DCAPS_NO_64BIT | AZX_DCAPS_POSFIX_LPIB },
2402 #else
2403         /* this entry seems still valid -- i.e. without emu20kx chip */
2404         { PCI_DEVICE(0x1102, 0x0009),
2405           .driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND |
2406           AZX_DCAPS_NO_64BIT | AZX_DCAPS_POSFIX_LPIB },
2407 #endif
2408         /* CM8888 */
2409         { PCI_DEVICE(0x13f6, 0x5011),
2410           .driver_data = AZX_DRIVER_CMEDIA |
2411           AZX_DCAPS_NO_MSI | AZX_DCAPS_POSFIX_LPIB | AZX_DCAPS_SNOOP_OFF },
2412         /* Vortex86MX */
2413         { PCI_DEVICE(0x17f3, 0x3010), .driver_data = AZX_DRIVER_GENERIC },
2414         /* VMware HDAudio */
2415         { PCI_DEVICE(0x15ad, 0x1977), .driver_data = AZX_DRIVER_GENERIC },
2416         /* AMD/ATI Generic, PCI class code and Vendor ID for HD Audio */
2417         { PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_ANY_ID),
2418           .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2419           .class_mask = 0xffffff,
2420           .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_HDMI },
2421         { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_ANY_ID),
2422           .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2423           .class_mask = 0xffffff,
2424           .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_HDMI },
2425         { 0, }
2426 };
2427 MODULE_DEVICE_TABLE(pci, azx_ids);
2428
2429 /* pci_driver definition */
2430 static struct pci_driver azx_driver = {
2431         .name = KBUILD_MODNAME,
2432         .id_table = azx_ids,
2433         .probe = azx_probe,
2434         .remove = azx_remove,
2435         .shutdown = azx_shutdown,
2436         .driver = {
2437                 .pm = AZX_PM_OPS,
2438         },
2439 };
2440
2441 module_pci_driver(azx_driver);