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 static bool pm_blacklist = true;
 188 module_param(pm_blacklist, bool, 0644);
 189 MODULE_PARM_DESC(pm_blacklist, "Enable power-management blacklist");
 190
 191 /* reset the HD-audio controller in power save mode.
 192  * this may give more power-saving, but will take longer time to
 193  * wake up.
 194  */
 195 static bool power_save_controller = 1;
 196 module_param(power_save_controller, bool, 0644);
 197 MODULE_PARM_DESC(power_save_controller, "Reset controller in power save mode.");
 198 #else
 199 #define power_save      0
 200 #endif /* CONFIG_PM */
 201
 202 static int align_buffer_size = -1;
 203 module_param(align_buffer_size, bint, 0644);
 204 MODULE_PARM_DESC(align_buffer_size,
 205                 "Force buffer and period sizes to be multiple of 128 bytes.");
 206
 207 #ifdef CONFIG_X86
 208 static int hda_snoop = -1;
 209 module_param_named(snoop, hda_snoop, bint, 0444);
 210 MODULE_PARM_DESC(snoop, "Enable/disable snooping");
 211 #else
 212 #define hda_snoop               true
 213 #endif
 214
 215
 216 MODULE_LICENSE("GPL");
 217 MODULE_SUPPORTED_DEVICE("{{Intel, ICH6},"
 218                          "{Intel, ICH6M},"
 219                          "{Intel, ICH7},"
 220                          "{Intel, ESB2},"
 221                          "{Intel, ICH8},"
 222                          "{Intel, ICH9},"
 223                          "{Intel, ICH10},"
 224                          "{Intel, PCH},"
 225                          "{Intel, CPT},"
 226                          "{Intel, PPT},"
 227                          "{Intel, LPT},"
 228                          "{Intel, LPT_LP},"
 229                          "{Intel, WPT_LP},"
 230                          "{Intel, SPT},"
 231                          "{Intel, SPT_LP},"
 232                          "{Intel, HPT},"
 233                          "{Intel, PBG},"
 234                          "{Intel, SCH},"
 235                          "{ATI, SB450},"
 236                          "{ATI, SB600},"
 237                          "{ATI, RS600},"
 238                          "{ATI, RS690},"
 239                          "{ATI, RS780},"
 240                          "{ATI, R600},"
 241                          "{ATI, RV630},"
 242                          "{ATI, RV610},"
 243                          "{ATI, RV670},"
 244                          "{ATI, RV635},"
 245                          "{ATI, RV620},"
 246                          "{ATI, RV770},"
 247                          "{VIA, VT8251},"
 248                          "{VIA, VT8237A},"
 249                          "{SiS, SIS966},"
 250                          "{ULI, M5461}}");
 251 MODULE_DESCRIPTION("Intel HDA driver");
 252
 253 #if defined(CONFIG_PM) && defined(CONFIG_VGA_SWITCHEROO)
 254 #if IS_ENABLED(CONFIG_SND_HDA_CODEC_HDMI)
 255 #define SUPPORT_VGA_SWITCHEROO
 256 #endif
 257 #endif
 258
 259
 260 /*
 261  */
 262
 263 /* driver types */
 264 enum {
 265         AZX_DRIVER_ICH,
 266         AZX_DRIVER_PCH,
 267         AZX_DRIVER_SCH,
 268         AZX_DRIVER_HDMI,
 269         AZX_DRIVER_ATI,
 270         AZX_DRIVER_ATIHDMI,
 271         AZX_DRIVER_ATIHDMI_NS,
 272         AZX_DRIVER_VIA,
 273         AZX_DRIVER_SIS,
 274         AZX_DRIVER_ULI,
 275         AZX_DRIVER_NVIDIA,
 276         AZX_DRIVER_TERA,
 277         AZX_DRIVER_CTX,
 278         AZX_DRIVER_CTHDA,
 279         AZX_DRIVER_CMEDIA,
 280         AZX_DRIVER_GENERIC,
 281         AZX_NUM_DRIVERS, /* keep this as last entry */
 282 };
 283
 284 #define azx_get_snoop_type(chip) \
 285         (((chip)->driver_caps & AZX_DCAPS_SNOOP_MASK) >> 10)
 286 #define AZX_DCAPS_SNOOP_TYPE(type) ((AZX_SNOOP_TYPE_ ## type) << 10)
 287
 288 /* quirks for old Intel chipsets */
 289 #define AZX_DCAPS_INTEL_ICH \
 290         (AZX_DCAPS_OLD_SSYNC | AZX_DCAPS_NO_ALIGN_BUFSIZE)
 291
 292 /* quirks for Intel PCH */
 293 #define AZX_DCAPS_INTEL_PCH_NOPM \
 294         (AZX_DCAPS_NO_ALIGN_BUFSIZE | AZX_DCAPS_COUNT_LPIB_DELAY |\
 295          AZX_DCAPS_REVERSE_ASSIGN | AZX_DCAPS_SNOOP_TYPE(SCH))
 296
 297 #define AZX_DCAPS_INTEL_PCH \
 298         (AZX_DCAPS_INTEL_PCH_NOPM | AZX_DCAPS_PM_RUNTIME)
 299
 300 #define AZX_DCAPS_INTEL_HASWELL \
 301         (/*AZX_DCAPS_ALIGN_BUFSIZE |*/ AZX_DCAPS_COUNT_LPIB_DELAY |\
 302          AZX_DCAPS_PM_RUNTIME | AZX_DCAPS_I915_POWERWELL |\
 303          AZX_DCAPS_SNOOP_TYPE(SCH))
 304
 305 /* Broadwell HDMI can't use position buffer reliably, force to use LPIB */
 306 #define AZX_DCAPS_INTEL_BROADWELL \
 307         (/*AZX_DCAPS_ALIGN_BUFSIZE |*/ AZX_DCAPS_POSFIX_LPIB |\
 308          AZX_DCAPS_PM_RUNTIME | AZX_DCAPS_I915_POWERWELL |\
 309          AZX_DCAPS_SNOOP_TYPE(SCH))
 310
 311 #define AZX_DCAPS_INTEL_BAYTRAIL \
 312         (AZX_DCAPS_INTEL_PCH_NOPM | AZX_DCAPS_I915_POWERWELL)
 313
 314 #define AZX_DCAPS_INTEL_BRASWELL \
 315         (AZX_DCAPS_INTEL_PCH | AZX_DCAPS_I915_POWERWELL)
 316
 317 #define AZX_DCAPS_INTEL_SKYLAKE \
 318         (AZX_DCAPS_INTEL_PCH | AZX_DCAPS_SEPARATE_STREAM_TAG |\
 319          AZX_DCAPS_I915_POWERWELL)
 320
 321 #define AZX_DCAPS_INTEL_BROXTON \
 322         (AZX_DCAPS_INTEL_PCH | AZX_DCAPS_SEPARATE_STREAM_TAG |\
 323          AZX_DCAPS_I915_POWERWELL)
 324
 325 /* quirks for ATI SB / AMD Hudson */
 326 #define AZX_DCAPS_PRESET_ATI_SB \
 327         (AZX_DCAPS_NO_TCSEL | AZX_DCAPS_SYNC_WRITE | AZX_DCAPS_POSFIX_LPIB |\
 328          AZX_DCAPS_SNOOP_TYPE(ATI))
 329
 330 /* quirks for ATI/AMD HDMI */
 331 #define AZX_DCAPS_PRESET_ATI_HDMI \
 332         (AZX_DCAPS_NO_TCSEL | AZX_DCAPS_SYNC_WRITE | AZX_DCAPS_POSFIX_LPIB|\
 333          AZX_DCAPS_NO_MSI64)
 334
 335 /* quirks for ATI HDMI with snoop off */
 336 #define AZX_DCAPS_PRESET_ATI_HDMI_NS \
 337         (AZX_DCAPS_PRESET_ATI_HDMI | AZX_DCAPS_SNOOP_OFF)
 338
 339 /* quirks for Nvidia */
 340 #define AZX_DCAPS_PRESET_NVIDIA \
 341         (AZX_DCAPS_NO_MSI | AZX_DCAPS_CORBRP_SELF_CLEAR |\
 342          AZX_DCAPS_SNOOP_TYPE(NVIDIA))
 343
 344 #define AZX_DCAPS_PRESET_CTHDA \
 345         (AZX_DCAPS_NO_MSI | AZX_DCAPS_POSFIX_LPIB |\
 346          AZX_DCAPS_NO_64BIT |\
 347          AZX_DCAPS_4K_BDLE_BOUNDARY | AZX_DCAPS_SNOOP_OFF)
 348
 349 /*
 350  * vga_switcheroo support
 351  */
 352 #ifdef SUPPORT_VGA_SWITCHEROO
 353 #define use_vga_switcheroo(chip)        ((chip)->use_vga_switcheroo)
 354 #else
 355 #define use_vga_switcheroo(chip)        0
 356 #endif
 357
 358 #define CONTROLLER_IN_GPU(pci) (((pci)->device == 0x0a0c) || \
 359                                         ((pci)->device == 0x0c0c) || \
 360                                         ((pci)->device == 0x0d0c) || \
 361                                         ((pci)->device == 0x160c))
 362
 363 #define IS_SKL(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0xa170)
 364 #define IS_SKL_LP(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x9d70)
 365 #define IS_KBL(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0xa171)
 366 #define IS_KBL_LP(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x9d71)
 367 #define IS_KBL_H(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0xa2f0)
 368 #define IS_BXT(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x5a98)
 369 #define IS_SKL_PLUS(pci) (IS_SKL(pci) || IS_SKL_LP(pci) || IS_BXT(pci)) || \
 370                         IS_KBL(pci) || IS_KBL_LP(pci) || IS_KBL_H(pci)
 371
 372 static char *driver_short_names[] = {
 373         [AZX_DRIVER_ICH] = "HDA Intel",
 374         [AZX_DRIVER_PCH] = "HDA Intel PCH",
 375         [AZX_DRIVER_SCH] = "HDA Intel MID",
 376         [AZX_DRIVER_HDMI] = "HDA Intel HDMI",
 377         [AZX_DRIVER_ATI] = "HDA ATI SB",
 378         [AZX_DRIVER_ATIHDMI] = "HDA ATI HDMI",
 379         [AZX_DRIVER_ATIHDMI_NS] = "HDA ATI HDMI",
 380         [AZX_DRIVER_VIA] = "HDA VIA VT82xx",
 381         [AZX_DRIVER_SIS] = "HDA SIS966",
 382         [AZX_DRIVER_ULI] = "HDA ULI M5461",
 383         [AZX_DRIVER_NVIDIA] = "HDA NVidia",
 384         [AZX_DRIVER_TERA] = "HDA Teradici",
 385         [AZX_DRIVER_CTX] = "HDA Creative",
 386         [AZX_DRIVER_CTHDA] = "HDA Creative",
 387         [AZX_DRIVER_CMEDIA] = "HDA C-Media",
 388         [AZX_DRIVER_GENERIC] = "HD-Audio Generic",
 389 };
 390
 391 #ifdef CONFIG_X86
 392 static void __mark_pages_wc(struct azx *chip, struct snd_dma_buffer *dmab, bool on)
 393 {
 394         int pages;
 395
 396         if (azx_snoop(chip))
 397                 return;
 398         if (!dmab || !dmab->area || !dmab->bytes)
 399                 return;
 400
 401 #ifdef CONFIG_SND_DMA_SGBUF
 402         if (dmab->dev.type == SNDRV_DMA_TYPE_DEV_SG) {
 403                 struct snd_sg_buf *sgbuf = dmab->private_data;
 404                 if (!chip->uc_buffer)
 405                         return; /* deal with only CORB/RIRB buffers */
 406                 if (on)
 407                         set_pages_array_wc(sgbuf->page_table, sgbuf->pages);
 408                 else
 409                         set_pages_array_wb(sgbuf->page_table, sgbuf->pages);
 410                 return;
 411         }
 412 #endif
 413
 414         pages = (dmab->bytes + PAGE_SIZE - 1) >> PAGE_SHIFT;
 415         if (on)
 416                 set_memory_wc((unsigned long)dmab->area, pages);
 417         else
 418                 set_memory_wb((unsigned long)dmab->area, pages);
 419 }
 420
 421 static inline void mark_pages_wc(struct azx *chip, struct snd_dma_buffer *buf,
 422                                  bool on)
 423 {
 424         __mark_pages_wc(chip, buf, on);
 425 }
 426 static inline void mark_runtime_wc(struct azx *chip, struct azx_dev *azx_dev,
 427                                    struct snd_pcm_substream *substream, bool on)
 428 {
 429         if (azx_dev->wc_marked != on) {
 430                 __mark_pages_wc(chip, snd_pcm_get_dma_buf(substream), on);
 431                 azx_dev->wc_marked = on;
 432         }
 433 }
 434 #else
 435 /* NOP for other archs */
 436 static inline void mark_pages_wc(struct azx *chip, struct snd_dma_buffer *buf,
 437                                  bool on)
 438 {
 439 }
 440 static inline void mark_runtime_wc(struct azx *chip, struct azx_dev *azx_dev,
 441                                    struct snd_pcm_substream *substream, bool on)
 442 {
 443 }
 444 #endif
 445
 446 static int azx_acquire_irq(struct azx *chip, int do_disconnect);
 447
 448 /*
 449  * initialize the PCI registers
 450  */
 451 /* update bits in a PCI register byte */
 452 static void update_pci_byte(struct pci_dev *pci, unsigned int reg,
 453                             unsigned char mask, unsigned char val)
 454 {
 455         unsigned char data;
 456
 457         pci_read_config_byte(pci, reg, &data);
 458         data &= ~mask;
 459         data |= (val & mask);
 460         pci_write_config_byte(pci, reg, data);
 461 }
 462
 463 static void azx_init_pci(struct azx *chip)
 464 {
 465         int snoop_type = azx_get_snoop_type(chip);
 466
 467         /* Clear bits 0-2 of PCI register TCSEL (at offset 0x44)
 468          * TCSEL == Traffic Class Select Register, which sets PCI express QOS
 469          * Ensuring these bits are 0 clears playback static on some HD Audio
 470          * codecs.
 471          * The PCI register TCSEL is defined in the Intel manuals.
 472          */
 473         if (!(chip->driver_caps & AZX_DCAPS_NO_TCSEL)) {
 474                 dev_dbg(chip->card->dev, "Clearing TCSEL\n");
 475                 update_pci_byte(chip->pci, AZX_PCIREG_TCSEL, 0x07, 0);
 476         }
 477
 478         /* For ATI SB450/600/700/800/900 and AMD Hudson azalia HD audio,
 479          * we need to enable snoop.
 480          */
 481         if (snoop_type == AZX_SNOOP_TYPE_ATI) {
 482                 dev_dbg(chip->card->dev, "Setting ATI snoop: %d\n",
 483                         azx_snoop(chip));
 484                 update_pci_byte(chip->pci,
 485                                 ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR, 0x07,
 486                                 azx_snoop(chip) ? ATI_SB450_HDAUDIO_ENABLE_SNOOP : 0);
 487         }
 488
 489         /* For NVIDIA HDA, enable snoop */
 490         if (snoop_type == AZX_SNOOP_TYPE_NVIDIA) {
 491                 dev_dbg(chip->card->dev, "Setting Nvidia snoop: %d\n",
 492                         azx_snoop(chip));
 493                 update_pci_byte(chip->pci,
 494                                 NVIDIA_HDA_TRANSREG_ADDR,
 495                                 0x0f, NVIDIA_HDA_ENABLE_COHBITS);
 496                 update_pci_byte(chip->pci,
 497                                 NVIDIA_HDA_ISTRM_COH,
 498                                 0x01, NVIDIA_HDA_ENABLE_COHBIT);
 499                 update_pci_byte(chip->pci,
 500                                 NVIDIA_HDA_OSTRM_COH,
 501                                 0x01, NVIDIA_HDA_ENABLE_COHBIT);
 502         }
 503
 504         /* Enable SCH/PCH snoop if needed */
 505         if (snoop_type == AZX_SNOOP_TYPE_SCH) {
 506                 unsigned short snoop;
 507                 pci_read_config_word(chip->pci, INTEL_SCH_HDA_DEVC, &snoop);
 508                 if ((!azx_snoop(chip) && !(snoop & INTEL_SCH_HDA_DEVC_NOSNOOP)) ||
 509                     (azx_snoop(chip) && (snoop & INTEL_SCH_HDA_DEVC_NOSNOOP))) {
 510                         snoop &= ~INTEL_SCH_HDA_DEVC_NOSNOOP;
 511                         if (!azx_snoop(chip))
 512                                 snoop |= INTEL_SCH_HDA_DEVC_NOSNOOP;
 513                         pci_write_config_word(chip->pci, INTEL_SCH_HDA_DEVC, snoop);
 514                         pci_read_config_word(chip->pci,
 515                                 INTEL_SCH_HDA_DEVC, &snoop);
 516                 }
 517                 dev_dbg(chip->card->dev, "SCH snoop: %s\n",
 518                         (snoop & INTEL_SCH_HDA_DEVC_NOSNOOP) ?
 519                         "Disabled" : "Enabled");
 520         }
 521 }
 522
 523 /*
 524  * In BXT-P A0, HD-Audio DMA requests is later than expected,
 525  * and makes an audio stream sensitive to system latencies when
 526  * 24/32 bits are playing.
 527  * Adjusting threshold of DMA fifo to force the DMA request
 528  * sooner to improve latency tolerance at the expense of power.
 529  */
 530 static void bxt_reduce_dma_latency(struct azx *chip)
 531 {
 532         u32 val;
 533
 534         val = azx_readl(chip, SKL_EM4L);
 535         val &= (0x3 << 20);
 536         azx_writel(chip, SKL_EM4L, val);
 537 }
 538
 539 static void hda_intel_init_chip(struct azx *chip, bool full_reset)
 540 {
 541         struct hdac_bus *bus = azx_bus(chip);
 542         struct pci_dev *pci = chip->pci;
 543         u32 val;
 544
 545         if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL)
 546                 snd_hdac_set_codec_wakeup(bus, true);
 547         if (IS_SKL_PLUS(pci)) {
 548                 pci_read_config_dword(pci, INTEL_HDA_CGCTL, &val);
 549                 val = val & ~INTEL_HDA_CGCTL_MISCBDCGE;
 550                 pci_write_config_dword(pci, INTEL_HDA_CGCTL, val);
 551         }
 552         azx_init_chip(chip, full_reset);
 553         if (IS_SKL_PLUS(pci)) {
 554                 pci_read_config_dword(pci, INTEL_HDA_CGCTL, &val);
 555                 val = val | INTEL_HDA_CGCTL_MISCBDCGE;
 556                 pci_write_config_dword(pci, INTEL_HDA_CGCTL, val);
 557         }
 558         if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL)
 559                 snd_hdac_set_codec_wakeup(bus, false);
 560
 561         /* reduce dma latency to avoid noise */
 562         if (IS_BXT(pci))
 563                 bxt_reduce_dma_latency(chip);
 564 }
 565
 566 /* calculate runtime delay from LPIB */
 567 static int azx_get_delay_from_lpib(struct azx *chip, struct azx_dev *azx_dev,
 568                                    unsigned int pos)
 569 {
 570         struct snd_pcm_substream *substream = azx_dev->core.substream;
 571         int stream = substream->stream;
 572         unsigned int lpib_pos = azx_get_pos_lpib(chip, azx_dev);
 573         int delay;
 574
 575         if (stream == SNDRV_PCM_STREAM_PLAYBACK)
 576                 delay = pos - lpib_pos;
 577         else
 578                 delay = lpib_pos - pos;
 579         if (delay < 0) {
 580                 if (delay >= azx_dev->core.delay_negative_threshold)
 581                         delay = 0;
 582                 else
 583                         delay += azx_dev->core.bufsize;
 584         }
 585
 586         if (delay >= azx_dev->core.period_bytes) {
 587                 dev_info(chip->card->dev,
 588                          "Unstable LPIB (%d >= %d); disabling LPIB delay counting\n",
 589                          delay, azx_dev->core.period_bytes);
 590                 delay = 0;
 591                 chip->driver_caps &= ~AZX_DCAPS_COUNT_LPIB_DELAY;
 592                 chip->get_delay[stream] = NULL;
 593         }
 594
 595         return bytes_to_frames(substream->runtime, delay);
 596 }
 597
 598 static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev);
 599
 600 /* called from IRQ */
 601 static int azx_position_check(struct azx *chip, struct azx_dev *azx_dev)
 602 {
 603         struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
 604         int ok;
 605
 606         ok = azx_position_ok(chip, azx_dev);
 607         if (ok == 1) {
 608                 azx_dev->irq_pending = 0;
 609                 return ok;
 610         } else if (ok == 0) {
 611                 /* bogus IRQ, process it later */
 612                 azx_dev->irq_pending = 1;
 613                 schedule_work(&hda->irq_pending_work);
 614         }
 615         return 0;
 616 }
 617
 618 /* Enable/disable i915 display power for the link */
 619 static int azx_intel_link_power(struct azx *chip, bool enable)
 620 {
 621         struct hdac_bus *bus = azx_bus(chip);
 622
 623         return snd_hdac_display_power(bus, enable);
 624 }
 625
 626 /*
 627  * Check whether the current DMA position is acceptable for updating
 628  * periods.  Returns non-zero if it's OK.
 629  *
 630  * Many HD-audio controllers appear pretty inaccurate about
 631  * the update-IRQ timing.  The IRQ is issued before actually the
 632  * data is processed.  So, we need to process it afterwords in a
 633  * workqueue.
 634  */
 635 static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev)
 636 {
 637         struct snd_pcm_substream *substream = azx_dev->core.substream;
 638         int stream = substream->stream;
 639         u32 wallclk;
 640         unsigned int pos;
 641
 642         wallclk = azx_readl(chip, WALLCLK) - azx_dev->core.start_wallclk;
 643         if (wallclk < (azx_dev->core.period_wallclk * 2) / 3)
 644                 return -1;      /* bogus (too early) interrupt */
 645
 646         if (chip->get_position[stream])
 647                 pos = chip->get_position[stream](chip, azx_dev);
 648         else { /* use the position buffer as default */
 649                 pos = azx_get_pos_posbuf(chip, azx_dev);
 650                 if (!pos || pos == (u32)-1) {
 651                         dev_info(chip->card->dev,
 652                                  "Invalid position buffer, using LPIB read method instead.\n");
 653                         chip->get_position[stream] = azx_get_pos_lpib;
 654                         if (chip->get_position[0] == azx_get_pos_lpib &&
 655                             chip->get_position[1] == azx_get_pos_lpib)
 656                                 azx_bus(chip)->use_posbuf = false;
 657                         pos = azx_get_pos_lpib(chip, azx_dev);
 658                         chip->get_delay[stream] = NULL;
 659                 } else {
 660                         chip->get_position[stream] = azx_get_pos_posbuf;
 661                         if (chip->driver_caps & AZX_DCAPS_COUNT_LPIB_DELAY)
 662                                 chip->get_delay[stream] = azx_get_delay_from_lpib;
 663                 }
 664         }
 665
 666         if (pos >= azx_dev->core.bufsize)
 667                 pos = 0;
 668
 669         if (WARN_ONCE(!azx_dev->core.period_bytes,
 670                       "hda-intel: zero azx_dev->period_bytes"))
 671                 return -1; /* this shouldn't happen! */
 672         if (wallclk < (azx_dev->core.period_wallclk * 5) / 4 &&
 673             pos % azx_dev->core.period_bytes > azx_dev->core.period_bytes / 2)
 674                 /* NG - it's below the first next period boundary */
 675                 return chip->bdl_pos_adj[chip->dev_index] ? 0 : -1;
 676         azx_dev->core.start_wallclk += wallclk;
 677         return 1; /* OK, it's fine */
 678 }
 679
 680 /*
 681  * The work for pending PCM period updates.
 682  */
 683 static void azx_irq_pending_work(struct work_struct *work)
 684 {
 685         struct hda_intel *hda = container_of(work, struct hda_intel, irq_pending_work);
 686         struct azx *chip = &hda->chip;
 687         struct hdac_bus *bus = azx_bus(chip);
 688         struct hdac_stream *s;
 689         int pending, ok;
 690
 691         if (!hda->irq_pending_warned) {
 692                 dev_info(chip->card->dev,
 693                          "IRQ timing workaround is activated for card #%d. Suggest a bigger bdl_pos_adj.\n",
 694                          chip->card->number);
 695                 hda->irq_pending_warned = 1;
 696         }
 697
 698         for (;;) {
 699                 pending = 0;
 700                 spin_lock_irq(&bus->reg_lock);
 701                 list_for_each_entry(s, &bus->stream_list, list) {
 702                         struct azx_dev *azx_dev = stream_to_azx_dev(s);
 703                         if (!azx_dev->irq_pending ||
 704                             !s->substream ||
 705                             !s->running)
 706                                 continue;
 707                         ok = azx_position_ok(chip, azx_dev);
 708                         if (ok > 0) {
 709                                 azx_dev->irq_pending = 0;
 710                                 spin_unlock(&bus->reg_lock);
 711                                 snd_pcm_period_elapsed(s->substream);
 712                                 spin_lock(&bus->reg_lock);
 713                         } else if (ok < 0) {
 714                                 pending = 0;    /* too early */
 715                         } else
 716                                 pending++;
 717                 }
 718                 spin_unlock_irq(&bus->reg_lock);
 719                 if (!pending)
 720                         return;
 721                 msleep(1);
 722         }
 723 }
 724
 725 /* clear irq_pending flags and assure no on-going workq */
 726 static void azx_clear_irq_pending(struct azx *chip)
 727 {
 728         struct hdac_bus *bus = azx_bus(chip);
 729         struct hdac_stream *s;
 730
 731         spin_lock_irq(&bus->reg_lock);
 732         list_for_each_entry(s, &bus->stream_list, list) {
 733                 struct azx_dev *azx_dev = stream_to_azx_dev(s);
 734                 azx_dev->irq_pending = 0;
 735         }
 736         spin_unlock_irq(&bus->reg_lock);
 737 }
 738
 739 static int azx_acquire_irq(struct azx *chip, int do_disconnect)
 740 {
 741         struct hdac_bus *bus = azx_bus(chip);
 742
 743         if (request_irq(chip->pci->irq, azx_interrupt,
 744                         chip->msi ? 0 : IRQF_SHARED,
 745                         KBUILD_MODNAME, chip)) {
 746                 dev_err(chip->card->dev,
 747                         "unable to grab IRQ %d, disabling device\n",
 748                         chip->pci->irq);
 749                 if (do_disconnect)
 750                         snd_card_disconnect(chip->card);
 751                 return -1;
 752         }
 753         bus->irq = chip->pci->irq;
 754         pci_intx(chip->pci, !chip->msi);
 755         return 0;
 756 }
 757
 758 /* get the current DMA position with correction on VIA chips */
 759 static unsigned int azx_via_get_position(struct azx *chip,
 760                                          struct azx_dev *azx_dev)
 761 {
 762         unsigned int link_pos, mini_pos, bound_pos;
 763         unsigned int mod_link_pos, mod_dma_pos, mod_mini_pos;
 764         unsigned int fifo_size;
 765
 766         link_pos = snd_hdac_stream_get_pos_lpib(azx_stream(azx_dev));
 767         if (azx_dev->core.substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 768                 /* Playback, no problem using link position */
 769                 return link_pos;
 770         }
 771
 772         /* Capture */
 773         /* For new chipset,
 774          * use mod to get the DMA position just like old chipset
 775          */
 776         mod_dma_pos = le32_to_cpu(*azx_dev->core.posbuf);
 777         mod_dma_pos %= azx_dev->core.period_bytes;
 778
 779         /* azx_dev->fifo_size can't get FIFO size of in stream.
 780          * Get from base address + offset.
 781          */
 782         fifo_size = readw(azx_bus(chip)->remap_addr +
 783                           VIA_IN_STREAM0_FIFO_SIZE_OFFSET);
 784
 785         if (azx_dev->insufficient) {
 786                 /* Link position never gather than FIFO size */
 787                 if (link_pos <= fifo_size)
 788                         return 0;
 789
 790                 azx_dev->insufficient = 0;
 791         }
 792
 793         if (link_pos <= fifo_size)
 794                 mini_pos = azx_dev->core.bufsize + link_pos - fifo_size;
 795         else
 796                 mini_pos = link_pos - fifo_size;
 797
 798         /* Find nearest previous boudary */
 799         mod_mini_pos = mini_pos % azx_dev->core.period_bytes;
 800         mod_link_pos = link_pos % azx_dev->core.period_bytes;
 801         if (mod_link_pos >= fifo_size)
 802                 bound_pos = link_pos - mod_link_pos;
 803         else if (mod_dma_pos >= mod_mini_pos)
 804                 bound_pos = mini_pos - mod_mini_pos;
 805         else {
 806                 bound_pos = mini_pos - mod_mini_pos + azx_dev->core.period_bytes;
 807                 if (bound_pos >= azx_dev->core.bufsize)
 808                         bound_pos = 0;
 809         }
 810
 811         /* Calculate real DMA position we want */
 812         return bound_pos + mod_dma_pos;
 813 }
 814
 815 #ifdef CONFIG_PM
 816 static DEFINE_MUTEX(card_list_lock);
 817 static LIST_HEAD(card_list);
 818
 819 static void azx_add_card_list(struct azx *chip)
 820 {
 821         struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
 822         mutex_lock(&card_list_lock);
 823         list_add(&hda->list, &card_list);
 824         mutex_unlock(&card_list_lock);
 825 }
 826
 827 static void azx_del_card_list(struct azx *chip)
 828 {
 829         struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
 830         mutex_lock(&card_list_lock);
 831         list_del_init(&hda->list);
 832         mutex_unlock(&card_list_lock);
 833 }
 834
 835 /* trigger power-save check at writing parameter */
 836 static int param_set_xint(const char *val, const struct kernel_param *kp)
 837 {
 838         struct hda_intel *hda;
 839         struct azx *chip;
 840         int prev = power_save;
 841         int ret = param_set_int(val, kp);
 842
 843         if (ret || prev == power_save)
 844                 return ret;
 845
 846         mutex_lock(&card_list_lock);
 847         list_for_each_entry(hda, &card_list, list) {
 848                 chip = &hda->chip;
 849                 if (!hda->probe_continued || chip->disabled)
 850                         continue;
 851                 snd_hda_set_power_save(&chip->bus, power_save * 1000);
 852         }
 853         mutex_unlock(&card_list_lock);
 854         return 0;
 855 }
 856 #else
 857 #define azx_add_card_list(chip) /* NOP */
 858 #define azx_del_card_list(chip) /* NOP */
 859 #endif /* CONFIG_PM */
 860
 861 /* Intel HSW/BDW display HDA controller is in GPU. Both its power and link BCLK
 862  * depends on GPU. Two Extended Mode registers EM4 (M value) and EM5 (N Value)
 863  * are used to convert CDClk (Core Display Clock) to 24MHz BCLK:
 864  * BCLK = CDCLK * M / N
 865  * The values will be lost when the display power well is disabled and need to
 866  * be restored to avoid abnormal playback speed.
 867  */
 868 static void haswell_set_bclk(struct hda_intel *hda)
 869 {
 870         struct azx *chip = &hda->chip;
 871         int cdclk_freq;
 872         unsigned int bclk_m, bclk_n;
 873
 874         if (!hda->need_i915_power)
 875                 return;
 876
 877         cdclk_freq = snd_hdac_get_display_clk(azx_bus(chip));
 878         switch (cdclk_freq) {
 879         case 337500:
 880                 bclk_m = 16;
 881                 bclk_n = 225;
 882                 break;
 883
 884         case 450000:
 885         default: /* default CDCLK 450MHz */
 886                 bclk_m = 4;
 887                 bclk_n = 75;
 888                 break;
 889
 890         case 540000:
 891                 bclk_m = 4;
 892                 bclk_n = 90;
 893                 break;
 894
 895         case 675000:
 896                 bclk_m = 8;
 897                 bclk_n = 225;
 898                 break;
 899         }
 900
 901         azx_writew(chip, HSW_EM4, bclk_m);
 902         azx_writew(chip, HSW_EM5, bclk_n);
 903 }
 904
 905 #if defined(CONFIG_PM_SLEEP) || defined(SUPPORT_VGA_SWITCHEROO)
 906 /*
 907  * power management
 908  */
 909 static int azx_suspend(struct device *dev)
 910 {
 911         struct snd_card *card = dev_get_drvdata(dev);
 912         struct azx *chip;
 913         struct hda_intel *hda;
 914         struct hdac_bus *bus;
 915
 916         if (!card)
 917                 return 0;
 918
 919         chip = card->private_data;
 920         hda = container_of(chip, struct hda_intel, chip);
 921         if (chip->disabled || hda->init_failed || !chip->running)
 922                 return 0;
 923
 924         bus = azx_bus(chip);
 925         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
 926         azx_clear_irq_pending(chip);
 927         azx_stop_chip(chip);
 928         azx_enter_link_reset(chip);
 929         if (bus->irq >= 0) {
 930                 free_irq(bus->irq, chip);
 931                 bus->irq = -1;
 932         }
 933
 934         if (chip->msi)
 935                 pci_disable_msi(chip->pci);
 936         if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL
 937                 && hda->need_i915_power)
 938                 snd_hdac_display_power(bus, false);
 939
 940         trace_azx_suspend(chip);
 941         return 0;
 942 }
 943
 944 static int azx_resume(struct device *dev)
 945 {
 946         struct pci_dev *pci = to_pci_dev(dev);
 947         struct snd_card *card = dev_get_drvdata(dev);
 948         struct azx *chip;
 949         struct hda_intel *hda;
 950         struct hdac_bus *bus;
 951
 952         if (!card)
 953                 return 0;
 954
 955         chip = card->private_data;
 956         hda = container_of(chip, struct hda_intel, chip);
 957         bus = azx_bus(chip);
 958         if (chip->disabled || hda->init_failed || !chip->running)
 959                 return 0;
 960
 961         if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) {
 962                 snd_hdac_display_power(bus, true);
 963                 if (hda->need_i915_power)
 964                         haswell_set_bclk(hda);
 965         }
 966
 967         if (chip->msi)
 968                 if (pci_enable_msi(pci) < 0)
 969                         chip->msi = 0;
 970         if (azx_acquire_irq(chip, 1) < 0)
 971                 return -EIO;
 972         azx_init_pci(chip);
 973
 974         hda_intel_init_chip(chip, true);
 975
 976         /* power down again for link-controlled chips */
 977         if ((chip->driver_caps & AZX_DCAPS_I915_POWERWELL) &&
 978             !hda->need_i915_power)
 979                 snd_hdac_display_power(bus, false);
 980
 981         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
 982
 983         trace_azx_resume(chip);
 984         return 0;
 985 }
 986 #endif /* CONFIG_PM_SLEEP || SUPPORT_VGA_SWITCHEROO */
 987
 988 #ifdef CONFIG_PM_SLEEP
 989 /* put codec down to D3 at hibernation for Intel SKL+;
 990  * otherwise BIOS may still access the codec and screw up the driver
 991  */
 992 static int azx_freeze_noirq(struct device *dev)
 993 {
 994         struct pci_dev *pci = to_pci_dev(dev);
 995
 996         if (IS_SKL_PLUS(pci))
 997                 pci_set_power_state(pci, PCI_D3hot);
 998
 999         return 0;
1000 }
1001
1002 static int azx_thaw_noirq(struct device *dev)
1003 {
1004         struct pci_dev *pci = to_pci_dev(dev);
1005
1006         if (IS_SKL_PLUS(pci))
1007                 pci_set_power_state(pci, PCI_D0);
1008
1009         return 0;
1010 }
1011 #endif /* CONFIG_PM_SLEEP */
1012
1013 #ifdef CONFIG_PM
1014 static int azx_runtime_suspend(struct device *dev)
1015 {
1016         struct snd_card *card = dev_get_drvdata(dev);
1017         struct azx *chip;
1018         struct hda_intel *hda;
1019
1020         if (!card)
1021                 return 0;
1022
1023         chip = card->private_data;
1024         hda = container_of(chip, struct hda_intel, chip);
1025         if (chip->disabled || hda->init_failed)
1026                 return 0;
1027
1028         if (!azx_has_pm_runtime(chip))
1029                 return 0;
1030
1031         /* enable controller wake up event */
1032         azx_writew(chip, WAKEEN, azx_readw(chip, WAKEEN) |
1033                   STATESTS_INT_MASK);
1034
1035         azx_stop_chip(chip);
1036         azx_enter_link_reset(chip);
1037         azx_clear_irq_pending(chip);
1038         if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL
1039                 && hda->need_i915_power)
1040                 snd_hdac_display_power(azx_bus(chip), false);
1041
1042         trace_azx_runtime_suspend(chip);
1043         return 0;
1044 }
1045
1046 static int azx_runtime_resume(struct device *dev)
1047 {
1048         struct snd_card *card = dev_get_drvdata(dev);
1049         struct azx *chip;
1050         struct hda_intel *hda;
1051         struct hdac_bus *bus;
1052         struct hda_codec *codec;
1053         int status;
1054
1055         if (!card)
1056                 return 0;
1057
1058         chip = card->private_data;
1059         hda = container_of(chip, struct hda_intel, chip);
1060         bus = azx_bus(chip);
1061         if (chip->disabled || hda->init_failed)
1062                 return 0;
1063
1064         if (!azx_has_pm_runtime(chip))
1065                 return 0;
1066
1067         if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) {
1068                 snd_hdac_display_power(bus, true);
1069                 if (hda->need_i915_power)
1070                         haswell_set_bclk(hda);
1071         }
1072
1073         /* Read STATESTS before controller reset */
1074         status = azx_readw(chip, STATESTS);
1075
1076         azx_init_pci(chip);
1077         hda_intel_init_chip(chip, true);
1078
1079         if (status) {
1080                 list_for_each_codec(codec, &chip->bus)
1081                         if (status & (1 << codec->addr))
1082                                 schedule_delayed_work(&codec->jackpoll_work,
1083                                                       codec->jackpoll_interval);
1084         }
1085
1086         /* disable controller Wake Up event*/
1087         azx_writew(chip, WAKEEN, azx_readw(chip, WAKEEN) &
1088                         ~STATESTS_INT_MASK);
1089
1090         /* power down again for link-controlled chips */
1091         if ((chip->driver_caps & AZX_DCAPS_I915_POWERWELL) &&
1092             !hda->need_i915_power)
1093                 snd_hdac_display_power(bus, false);
1094
1095         trace_azx_runtime_resume(chip);
1096         return 0;
1097 }
1098
1099 static int azx_runtime_idle(struct device *dev)
1100 {
1101         struct snd_card *card = dev_get_drvdata(dev);
1102         struct azx *chip;
1103         struct hda_intel *hda;
1104
1105         if (!card)
1106                 return 0;
1107
1108         chip = card->private_data;
1109         hda = container_of(chip, struct hda_intel, chip);
1110         if (chip->disabled || hda->init_failed)
1111                 return 0;
1112
1113         if (!power_save_controller || !azx_has_pm_runtime(chip) ||
1114             azx_bus(chip)->codec_powered || !chip->running)
1115                 return -EBUSY;
1116
1117         return 0;
1118 }
1119
1120 static const struct dev_pm_ops azx_pm = {
1121         SET_SYSTEM_SLEEP_PM_OPS(azx_suspend, azx_resume)
1122 #ifdef CONFIG_PM_SLEEP
1123         .freeze_noirq = azx_freeze_noirq,
1124         .thaw_noirq = azx_thaw_noirq,
1125 #endif
1126         SET_RUNTIME_PM_OPS(azx_runtime_suspend, azx_runtime_resume, azx_runtime_idle)
1127 };
1128
1129 #define AZX_PM_OPS      &azx_pm
1130 #else
1131 #define AZX_PM_OPS      NULL
1132 #endif /* CONFIG_PM */
1133
1134
1135 static int azx_probe_continue(struct azx *chip);
1136
1137 #ifdef SUPPORT_VGA_SWITCHEROO
1138 static struct pci_dev *get_bound_vga(struct pci_dev *pci);
1139
1140 static void azx_vs_set_state(struct pci_dev *pci,
1141                              enum vga_switcheroo_state state)
1142 {
1143         struct snd_card *card = pci_get_drvdata(pci);
1144         struct azx *chip = card->private_data;
1145         struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1146         bool disabled;
1147
1148         wait_for_completion(&hda->probe_wait);
1149         if (hda->init_failed)
1150                 return;
1151
1152         disabled = (state == VGA_SWITCHEROO_OFF);
1153         if (chip->disabled == disabled)
1154                 return;
1155
1156         if (!hda->probe_continued) {
1157                 chip->disabled = disabled;
1158                 if (!disabled) {
1159                         dev_info(chip->card->dev,
1160                                  "Start delayed initialization\n");
1161                         if (azx_probe_continue(chip) < 0) {
1162                                 dev_err(chip->card->dev, "initialization error\n");
1163                                 hda->init_failed = true;
1164                         }
1165                 }
1166         } else {
1167                 dev_info(chip->card->dev, "%s via vga_switcheroo\n",
1168                          disabled ? "Disabling" : "Enabling");
1169                 if (disabled) {
1170                         pm_runtime_put_sync_suspend(card->dev);
1171                         azx_suspend(card->dev);
1172                         /* when we get suspended by vga_switcheroo we end up in D3cold,
1173                          * however we have no ACPI handle, so pci/acpi can't put us there,
1174                          * put ourselves there */
1175                         pci->current_state = PCI_D3cold;
1176                         chip->disabled = true;
1177                         if (snd_hda_lock_devices(&chip->bus))
1178                                 dev_warn(chip->card->dev,
1179                                          "Cannot lock devices!\n");
1180                 } else {
1181                         snd_hda_unlock_devices(&chip->bus);
1182                         pm_runtime_get_noresume(card->dev);
1183                         chip->disabled = false;
1184                         azx_resume(card->dev);
1185                 }
1186         }
1187 }
1188
1189 static bool azx_vs_can_switch(struct pci_dev *pci)
1190 {
1191         struct snd_card *card = pci_get_drvdata(pci);
1192         struct azx *chip = card->private_data;
1193         struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1194
1195         wait_for_completion(&hda->probe_wait);
1196         if (hda->init_failed)
1197                 return false;
1198         if (chip->disabled || !hda->probe_continued)
1199                 return true;
1200         if (snd_hda_lock_devices(&chip->bus))
1201                 return false;
1202         snd_hda_unlock_devices(&chip->bus);
1203         return true;
1204 }
1205
1206 static void init_vga_switcheroo(struct azx *chip)
1207 {
1208         struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1209         struct pci_dev *p = get_bound_vga(chip->pci);
1210         if (p) {
1211                 dev_info(chip->card->dev,
1212                          "Handle vga_switcheroo audio client\n");
1213                 hda->use_vga_switcheroo = 1;
1214                 pci_dev_put(p);
1215         }
1216 }
1217
1218 static const struct vga_switcheroo_client_ops azx_vs_ops = {
1219         .set_gpu_state = azx_vs_set_state,
1220         .can_switch = azx_vs_can_switch,
1221 };
1222
1223 static int register_vga_switcheroo(struct azx *chip)
1224 {
1225         struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1226         int err;
1227
1228         if (!hda->use_vga_switcheroo)
1229                 return 0;
1230         /* FIXME: currently only handling DIS controller
1231          * is there any machine with two switchable HDMI audio controllers?
1232          */
1233         err = vga_switcheroo_register_audio_client(chip->pci, &azx_vs_ops,
1234                                                    VGA_SWITCHEROO_DIS);
1235         if (err < 0)
1236                 return err;
1237         hda->vga_switcheroo_registered = 1;
1238
1239         /* register as an optimus hdmi audio power domain */
1240         vga_switcheroo_init_domain_pm_optimus_hdmi_audio(chip->card->dev,
1241                                                          &hda->hdmi_pm_domain);
1242         return 0;
1243 }
1244 #else
1245 #define init_vga_switcheroo(chip)               /* NOP */
1246 #define register_vga_switcheroo(chip)           0
1247 #define check_hdmi_disabled(pci)        false
1248 #endif /* SUPPORT_VGA_SWITCHER */
1249
1250 /*
1251  * destructor
1252  */
1253 static int azx_free(struct azx *chip)
1254 {
1255         struct pci_dev *pci = chip->pci;
1256         struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1257         struct hdac_bus *bus = azx_bus(chip);
1258
1259         if (azx_has_pm_runtime(chip) && chip->running)
1260                 pm_runtime_get_noresume(&pci->dev);
1261
1262         azx_del_card_list(chip);
1263
1264         hda->init_failed = 1; /* to be sure */
1265         complete_all(&hda->probe_wait);
1266
1267         if (use_vga_switcheroo(hda)) {
1268                 if (chip->disabled && hda->probe_continued)
1269                         snd_hda_unlock_devices(&chip->bus);
1270                 if (hda->vga_switcheroo_registered) {
1271                         vga_switcheroo_unregister_client(chip->pci);
1272                         vga_switcheroo_fini_domain_pm_ops(chip->card->dev);
1273                 }
1274         }
1275
1276         if (bus->chip_init) {
1277                 azx_clear_irq_pending(chip);
1278                 azx_stop_all_streams(chip);
1279                 azx_stop_chip(chip);
1280         }
1281
1282         if (bus->irq >= 0)
1283                 free_irq(bus->irq, (void*)chip);
1284         if (chip->msi)
1285                 pci_disable_msi(chip->pci);
1286         iounmap(bus->remap_addr);
1287
1288         azx_free_stream_pages(chip);
1289         azx_free_streams(chip);
1290         snd_hdac_bus_exit(bus);
1291
1292         if (chip->region_requested)
1293                 pci_release_regions(chip->pci);
1294
1295         pci_disable_device(chip->pci);
1296 #ifdef CONFIG_SND_HDA_PATCH_LOADER
1297         release_firmware(chip->fw);
1298 #endif
1299
1300         if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) {
1301                 if (hda->need_i915_power)
1302                         snd_hdac_display_power(bus, false);
1303                 snd_hdac_i915_exit(bus);
1304         }
1305         kfree(hda);
1306
1307         return 0;
1308 }
1309
1310 static int azx_dev_disconnect(struct snd_device *device)
1311 {
1312         struct azx *chip = device->device_data;
1313         struct hdac_bus *bus = azx_bus(chip);
1314
1315         chip->bus.shutdown = 1;
1316         cancel_work_sync(&bus->unsol_work);
1317
1318         return 0;
1319 }
1320
1321 static int azx_dev_free(struct snd_device *device)
1322 {
1323         return azx_free(device->device_data);
1324 }
1325
1326 #ifdef SUPPORT_VGA_SWITCHEROO
1327 /*
1328  * Check of disabled HDMI controller by vga_switcheroo
1329  */
1330 static struct pci_dev *get_bound_vga(struct pci_dev *pci)
1331 {
1332         struct pci_dev *p;
1333
1334         /* check only discrete GPU */
1335         switch (pci->vendor) {
1336         case PCI_VENDOR_ID_ATI:
1337         case PCI_VENDOR_ID_AMD:
1338         case PCI_VENDOR_ID_NVIDIA:
1339                 if (pci->devfn == 1) {
1340                         p = pci_get_domain_bus_and_slot(pci_domain_nr(pci->bus),
1341                                                         pci->bus->number, 0);
1342                         if (p) {
1343                                 if ((p->class >> 8) == PCI_CLASS_DISPLAY_VGA)
1344                                         return p;
1345                                 pci_dev_put(p);
1346                         }
1347                 }
1348                 break;
1349         }
1350         return NULL;
1351 }
1352
1353 static bool check_hdmi_disabled(struct pci_dev *pci)
1354 {
1355         bool vga_inactive = false;
1356         struct pci_dev *p = get_bound_vga(pci);
1357
1358         if (p) {
1359                 if (vga_switcheroo_get_client_state(p) == VGA_SWITCHEROO_OFF)
1360                         vga_inactive = true;
1361                 pci_dev_put(p);
1362         }
1363         return vga_inactive;
1364 }
1365 #endif /* SUPPORT_VGA_SWITCHEROO */
1366
1367 /*
1368  * white/black-listing for position_fix
1369  */
1370 static struct snd_pci_quirk position_fix_list[] = {
1371         SND_PCI_QUIRK(0x1028, 0x01cc, "Dell D820", POS_FIX_LPIB),
1372         SND_PCI_QUIRK(0x1028, 0x01de, "Dell Precision 390", POS_FIX_LPIB),
1373         SND_PCI_QUIRK(0x103c, 0x306d, "HP dv3", POS_FIX_LPIB),
1374         SND_PCI_QUIRK(0x1043, 0x813d, "ASUS P5AD2", POS_FIX_LPIB),
1375         SND_PCI_QUIRK(0x1043, 0x81b3, "ASUS", POS_FIX_LPIB),
1376         SND_PCI_QUIRK(0x1043, 0x81e7, "ASUS M2V", POS_FIX_LPIB),
1377         SND_PCI_QUIRK(0x104d, 0x9069, "Sony VPCS11V9E", POS_FIX_LPIB),
1378         SND_PCI_QUIRK(0x10de, 0xcb89, "Macbook Pro 7,1", POS_FIX_LPIB),
1379         SND_PCI_QUIRK(0x1297, 0x3166, "Shuttle", POS_FIX_LPIB),
1380         SND_PCI_QUIRK(0x1458, 0xa022, "ga-ma770-ud3", POS_FIX_LPIB),
1381         SND_PCI_QUIRK(0x1462, 0x1002, "MSI Wind U115", POS_FIX_LPIB),
1382         SND_PCI_QUIRK(0x1565, 0x8218, "Biostar Microtech", POS_FIX_LPIB),
1383         SND_PCI_QUIRK(0x1849, 0x0888, "775Dual-VSTA", POS_FIX_LPIB),
1384         SND_PCI_QUIRK(0x8086, 0x2503, "DG965OT AAD63733-203", POS_FIX_LPIB),
1385         {}
1386 };
1387
1388 static int check_position_fix(struct azx *chip, int fix)
1389 {
1390         const struct snd_pci_quirk *q;
1391
1392         switch (fix) {
1393         case POS_FIX_AUTO:
1394         case POS_FIX_LPIB:
1395         case POS_FIX_POSBUF:
1396         case POS_FIX_VIACOMBO:
1397         case POS_FIX_COMBO:
1398                 return fix;
1399         }
1400
1401         q = snd_pci_quirk_lookup(chip->pci, position_fix_list);
1402         if (q) {
1403                 dev_info(chip->card->dev,
1404                          "position_fix set to %d for device %04x:%04x\n",
1405                          q->value, q->subvendor, q->subdevice);
1406                 return q->value;
1407         }
1408
1409         /* Check VIA/ATI HD Audio Controller exist */
1410         if (chip->driver_caps & AZX_DCAPS_POSFIX_VIA) {
1411                 dev_dbg(chip->card->dev, "Using VIACOMBO position fix\n");
1412                 return POS_FIX_VIACOMBO;
1413         }
1414         if (chip->driver_caps & AZX_DCAPS_POSFIX_LPIB) {
1415                 dev_dbg(chip->card->dev, "Using LPIB position fix\n");
1416                 return POS_FIX_LPIB;
1417         }
1418         return POS_FIX_AUTO;
1419 }
1420
1421 static void assign_position_fix(struct azx *chip, int fix)
1422 {
1423         static azx_get_pos_callback_t callbacks[] = {
1424                 [POS_FIX_AUTO] = NULL,
1425                 [POS_FIX_LPIB] = azx_get_pos_lpib,
1426                 [POS_FIX_POSBUF] = azx_get_pos_posbuf,
1427                 [POS_FIX_VIACOMBO] = azx_via_get_position,
1428                 [POS_FIX_COMBO] = azx_get_pos_lpib,
1429         };
1430
1431         chip->get_position[0] = chip->get_position[1] = callbacks[fix];
1432
1433         /* combo mode uses LPIB only for playback */
1434         if (fix == POS_FIX_COMBO)
1435                 chip->get_position[1] = NULL;
1436
1437         if (fix == POS_FIX_POSBUF &&
1438             (chip->driver_caps & AZX_DCAPS_COUNT_LPIB_DELAY)) {
1439                 chip->get_delay[0] = chip->get_delay[1] =
1440                         azx_get_delay_from_lpib;
1441         }
1442
1443 }
1444
1445 /*
1446  * black-lists for probe_mask
1447  */
1448 static struct snd_pci_quirk probe_mask_list[] = {
1449         /* Thinkpad often breaks the controller communication when accessing
1450          * to the non-working (or non-existing) modem codec slot.
1451          */
1452         SND_PCI_QUIRK(0x1014, 0x05b7, "Thinkpad Z60", 0x01),
1453         SND_PCI_QUIRK(0x17aa, 0x2010, "Thinkpad X/T/R60", 0x01),
1454         SND_PCI_QUIRK(0x17aa, 0x20ac, "Thinkpad X/T/R61", 0x01),
1455         /* broken BIOS */
1456         SND_PCI_QUIRK(0x1028, 0x20ac, "Dell Studio Desktop", 0x01),
1457         /* including bogus ALC268 in slot#2 that conflicts with ALC888 */
1458         SND_PCI_QUIRK(0x17c0, 0x4085, "Medion MD96630", 0x01),
1459         /* forced codec slots */
1460         SND_PCI_QUIRK(0x1043, 0x1262, "ASUS W5Fm", 0x103),
1461         SND_PCI_QUIRK(0x1046, 0x1262, "ASUS W5F", 0x103),
1462         /* WinFast VP200 H (Teradici) user reported broken communication */
1463         SND_PCI_QUIRK(0x3a21, 0x040d, "WinFast VP200 H", 0x101),
1464         {}
1465 };
1466
1467 #define AZX_FORCE_CODEC_MASK    0x100
1468
1469 static void check_probe_mask(struct azx *chip, int dev)
1470 {
1471         const struct snd_pci_quirk *q;
1472
1473         chip->codec_probe_mask = probe_mask[dev];
1474         if (chip->codec_probe_mask == -1) {
1475                 q = snd_pci_quirk_lookup(chip->pci, probe_mask_list);
1476                 if (q) {
1477                         dev_info(chip->card->dev,
1478                                  "probe_mask set to 0x%x for device %04x:%04x\n",
1479                                  q->value, q->subvendor, q->subdevice);
1480                         chip->codec_probe_mask = q->value;
1481                 }
1482         }
1483
1484         /* check forced option */
1485         if (chip->codec_probe_mask != -1 &&
1486             (chip->codec_probe_mask & AZX_FORCE_CODEC_MASK)) {
1487                 azx_bus(chip)->codec_mask = chip->codec_probe_mask & 0xff;
1488                 dev_info(chip->card->dev, "codec_mask forced to 0x%x\n",
1489                          (int)azx_bus(chip)->codec_mask);
1490         }
1491 }
1492
1493 /*
1494  * white/black-list for enable_msi
1495  */
1496 static struct snd_pci_quirk msi_black_list[] = {
1497         SND_PCI_QUIRK(0x103c, 0x2191, "HP", 0), /* AMD Hudson */
1498         SND_PCI_QUIRK(0x103c, 0x2192, "HP", 0), /* AMD Hudson */
1499         SND_PCI_QUIRK(0x103c, 0x21f7, "HP", 0), /* AMD Hudson */
1500         SND_PCI_QUIRK(0x103c, 0x21fa, "HP", 0), /* AMD Hudson */
1501         SND_PCI_QUIRK(0x1043, 0x81f2, "ASUS", 0), /* Athlon64 X2 + nvidia */
1502         SND_PCI_QUIRK(0x1043, 0x81f6, "ASUS", 0), /* nvidia */
1503         SND_PCI_QUIRK(0x1043, 0x822d, "ASUS", 0), /* Athlon64 X2 + nvidia MCP55 */
1504         SND_PCI_QUIRK(0x1179, 0xfb44, "Toshiba Satellite C870", 0), /* AMD Hudson */
1505         SND_PCI_QUIRK(0x1849, 0x0888, "ASRock", 0), /* Athlon64 X2 + nvidia */
1506         SND_PCI_QUIRK(0xa0a0, 0x0575, "Aopen MZ915-M", 0), /* ICH6 */
1507         {}
1508 };
1509
1510 static void check_msi(struct azx *chip)
1511 {
1512         const struct snd_pci_quirk *q;
1513
1514         if (enable_msi >= 0) {
1515                 chip->msi = !!enable_msi;
1516                 return;
1517         }
1518         chip->msi = 1;  /* enable MSI as default */
1519         q = snd_pci_quirk_lookup(chip->pci, msi_black_list);
1520         if (q) {
1521                 dev_info(chip->card->dev,
1522                          "msi for device %04x:%04x set to %d\n",
1523                          q->subvendor, q->subdevice, q->value);
1524                 chip->msi = q->value;
1525                 return;
1526         }
1527
1528         /* NVidia chipsets seem to cause troubles with MSI */
1529         if (chip->driver_caps & AZX_DCAPS_NO_MSI) {
1530                 dev_info(chip->card->dev, "Disabling MSI\n");
1531                 chip->msi = 0;
1532         }
1533 }
1534
1535 /* check the snoop mode availability */
1536 static void azx_check_snoop_available(struct azx *chip)
1537 {
1538         int snoop = hda_snoop;
1539
1540         if (snoop >= 0) {
1541                 dev_info(chip->card->dev, "Force to %s mode by module option\n",
1542                          snoop ? "snoop" : "non-snoop");
1543                 chip->snoop = snoop;
1544                 chip->uc_buffer = !snoop;
1545                 return;
1546         }
1547
1548         snoop = true;
1549         if (azx_get_snoop_type(chip) == AZX_SNOOP_TYPE_NONE &&
1550             chip->driver_type == AZX_DRIVER_VIA) {
1551                 /* force to non-snoop mode for a new VIA controller
1552                  * when BIOS is set
1553                  */
1554                 u8 val;
1555                 pci_read_config_byte(chip->pci, 0x42, &val);
1556                 if (!(val & 0x80) && (chip->pci->revision == 0x30 ||
1557                                       chip->pci->revision == 0x20))
1558                         snoop = false;
1559         }
1560
1561         if (chip->driver_caps & AZX_DCAPS_SNOOP_OFF)
1562                 snoop = false;
1563
1564         chip->snoop = snoop;
1565         if (!snoop) {
1566                 dev_info(chip->card->dev, "Force to non-snoop mode\n");
1567                 /* C-Media requires non-cached pages only for CORB/RIRB */
1568                 if (chip->driver_type != AZX_DRIVER_CMEDIA)
1569                         chip->uc_buffer = true;
1570         }
1571 }
1572
1573 static void azx_probe_work(struct work_struct *work)
1574 {
1575         struct hda_intel *hda = container_of(work, struct hda_intel, probe_work);
1576         azx_probe_continue(&hda->chip);
1577 }
1578
1579 /*
1580  * constructor
1581  */
1582 static const struct hdac_io_ops pci_hda_io_ops;
1583 static const struct hda_controller_ops pci_hda_ops;
1584
1585 static int azx_create(struct snd_card *card, struct pci_dev *pci,
1586                       int dev, unsigned int driver_caps,
1587                       struct azx **rchip)
1588 {
1589         static struct snd_device_ops ops = {
1590                 .dev_disconnect = azx_dev_disconnect,
1591                 .dev_free = azx_dev_free,
1592         };
1593         struct hda_intel *hda;
1594         struct azx *chip;
1595         int err;
1596
1597         *rchip = NULL;
1598
1599         err = pci_enable_device(pci);
1600         if (err < 0)
1601                 return err;
1602
1603         hda = kzalloc(sizeof(*hda), GFP_KERNEL);
1604         if (!hda) {
1605                 pci_disable_device(pci);
1606                 return -ENOMEM;
1607         }
1608
1609         chip = &hda->chip;
1610         mutex_init(&chip->open_mutex);
1611         chip->card = card;
1612         chip->pci = pci;
1613         chip->ops = &pci_hda_ops;
1614         chip->driver_caps = driver_caps;
1615         chip->driver_type = driver_caps & 0xff;
1616         check_msi(chip);
1617         chip->dev_index = dev;
1618         chip->jackpoll_ms = jackpoll_ms;
1619         INIT_LIST_HEAD(&chip->pcm_list);
1620         INIT_WORK(&hda->irq_pending_work, azx_irq_pending_work);
1621         INIT_LIST_HEAD(&hda->list);
1622         init_vga_switcheroo(chip);
1623         init_completion(&hda->probe_wait);
1624
1625         assign_position_fix(chip, check_position_fix(chip, position_fix[dev]));
1626
1627         check_probe_mask(chip, dev);
1628
1629         chip->single_cmd = single_cmd;
1630         azx_check_snoop_available(chip);
1631
1632         if (bdl_pos_adj[dev] < 0) {
1633                 switch (chip->driver_type) {
1634                 case AZX_DRIVER_ICH:
1635                 case AZX_DRIVER_PCH:
1636                         bdl_pos_adj[dev] = 1;
1637                         break;
1638                 default:
1639                         bdl_pos_adj[dev] = 32;
1640                         break;
1641                 }
1642         }
1643         chip->bdl_pos_adj = bdl_pos_adj;
1644
1645         err = azx_bus_init(chip, model[dev], &pci_hda_io_ops);
1646         if (err < 0) {
1647                 kfree(hda);
1648                 pci_disable_device(pci);
1649                 return err;
1650         }
1651
1652         if (chip->driver_type == AZX_DRIVER_NVIDIA) {
1653                 dev_dbg(chip->card->dev, "Enable delay in RIRB handling\n");
1654                 chip->bus.needs_damn_long_delay = 1;
1655         }
1656
1657         err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
1658         if (err < 0) {
1659                 dev_err(card->dev, "Error creating device [card]!\n");
1660                 azx_free(chip);
1661                 return err;
1662         }
1663
1664         /* continue probing in work context as may trigger request module */
1665         INIT_WORK(&hda->probe_work, azx_probe_work);
1666
1667         *rchip = chip;
1668
1669         return 0;
1670 }
1671
1672 static int azx_first_init(struct azx *chip)
1673 {
1674         int dev = chip->dev_index;
1675         struct pci_dev *pci = chip->pci;
1676         struct snd_card *card = chip->card;
1677         struct hdac_bus *bus = azx_bus(chip);
1678         int err;
1679         unsigned short gcap;
1680         unsigned int dma_bits = 64;
1681
1682 #if BITS_PER_LONG != 64
1683         /* Fix up base address on ULI M5461 */
1684         if (chip->driver_type == AZX_DRIVER_ULI) {
1685                 u16 tmp3;
1686                 pci_read_config_word(pci, 0x40, &tmp3);
1687                 pci_write_config_word(pci, 0x40, tmp3 | 0x10);
1688                 pci_write_config_dword(pci, PCI_BASE_ADDRESS_1, 0);
1689         }
1690 #endif
1691
1692         err = pci_request_regions(pci, "ICH HD audio");
1693         if (err < 0)
1694                 return err;
1695         chip->region_requested = 1;
1696
1697         bus->addr = pci_resource_start(pci, 0);
1698         bus->remap_addr = pci_ioremap_bar(pci, 0);
1699         if (bus->remap_addr == NULL) {
1700                 dev_err(card->dev, "ioremap error\n");
1701                 return -ENXIO;
1702         }
1703
1704         if (chip->msi) {
1705                 if (chip->driver_caps & AZX_DCAPS_NO_MSI64) {
1706                         dev_dbg(card->dev, "Disabling 64bit MSI\n");
1707                         pci->no_64bit_msi = true;
1708                 }
1709                 if (pci_enable_msi(pci) < 0)
1710                         chip->msi = 0;
1711         }
1712
1713         pci_set_master(pci);
1714         synchronize_irq(bus->irq);
1715
1716         gcap = azx_readw(chip, GCAP);
1717         dev_dbg(card->dev, "chipset global capabilities = 0x%x\n", gcap);
1718
1719         /* AMD devices support 40 or 48bit DMA, take the safe one */
1720         if (chip->pci->vendor == PCI_VENDOR_ID_AMD)
1721                 dma_bits = 40;
1722
1723         /* disable SB600 64bit support for safety */
1724         if (chip->pci->vendor == PCI_VENDOR_ID_ATI) {
1725                 struct pci_dev *p_smbus;
1726                 dma_bits = 40;
1727                 p_smbus = pci_get_device(PCI_VENDOR_ID_ATI,
1728                                          PCI_DEVICE_ID_ATI_SBX00_SMBUS,
1729                                          NULL);
1730                 if (p_smbus) {
1731                         if (p_smbus->revision < 0x30)
1732                                 gcap &= ~AZX_GCAP_64OK;
1733                         pci_dev_put(p_smbus);
1734                 }
1735         }
1736
1737         /* NVidia hardware normally only supports up to 40 bits of DMA */
1738         if (chip->pci->vendor == PCI_VENDOR_ID_NVIDIA)
1739                 dma_bits = 40;
1740
1741         /* disable 64bit DMA address on some devices */
1742         if (chip->driver_caps & AZX_DCAPS_NO_64BIT) {
1743                 dev_dbg(card->dev, "Disabling 64bit DMA\n");
1744                 gcap &= ~AZX_GCAP_64OK;
1745         }
1746
1747         /* disable buffer size rounding to 128-byte multiples if supported */
1748         if (align_buffer_size >= 0)
1749                 chip->align_buffer_size = !!align_buffer_size;
1750         else {
1751                 if (chip->driver_caps & AZX_DCAPS_NO_ALIGN_BUFSIZE)
1752                         chip->align_buffer_size = 0;
1753                 else
1754                         chip->align_buffer_size = 1;
1755         }
1756
1757         /* allow 64bit DMA address if supported by H/W */
1758         if (!(gcap & AZX_GCAP_64OK))
1759                 dma_bits = 32;
1760         if (!dma_set_mask(&pci->dev, DMA_BIT_MASK(dma_bits))) {
1761                 dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(dma_bits));
1762         } else {
1763                 dma_set_mask(&pci->dev, DMA_BIT_MASK(32));
1764                 dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(32));
1765         }
1766
1767         /* read number of streams from GCAP register instead of using
1768          * hardcoded value
1769          */
1770         chip->capture_streams = (gcap >> 8) & 0x0f;
1771         chip->playback_streams = (gcap >> 12) & 0x0f;
1772         if (!chip->playback_streams && !chip->capture_streams) {
1773                 /* gcap didn't give any info, switching to old method */
1774
1775                 switch (chip->driver_type) {
1776                 case AZX_DRIVER_ULI:
1777                         chip->playback_streams = ULI_NUM_PLAYBACK;
1778                         chip->capture_streams = ULI_NUM_CAPTURE;
1779                         break;
1780                 case AZX_DRIVER_ATIHDMI:
1781                 case AZX_DRIVER_ATIHDMI_NS:
1782                         chip->playback_streams = ATIHDMI_NUM_PLAYBACK;
1783                         chip->capture_streams = ATIHDMI_NUM_CAPTURE;
1784                         break;
1785                 case AZX_DRIVER_GENERIC:
1786                 default:
1787                         chip->playback_streams = ICH6_NUM_PLAYBACK;
1788                         chip->capture_streams = ICH6_NUM_CAPTURE;
1789                         break;
1790                 }
1791         }
1792         chip->capture_index_offset = 0;
1793         chip->playback_index_offset = chip->capture_streams;
1794         chip->num_streams = chip->playback_streams + chip->capture_streams;
1795
1796         /* initialize streams */
1797         err = azx_init_streams(chip);
1798         if (err < 0)
1799                 return err;
1800
1801         err = azx_alloc_stream_pages(chip);
1802         if (err < 0)
1803                 return err;
1804
1805         /* initialize chip */
1806         azx_init_pci(chip);
1807
1808         if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) {
1809                 struct hda_intel *hda;
1810
1811                 hda = container_of(chip, struct hda_intel, chip);
1812                 haswell_set_bclk(hda);
1813         }
1814
1815         hda_intel_init_chip(chip, (probe_only[dev] & 2) == 0);
1816
1817         /* codec detection */
1818         if (!azx_bus(chip)->codec_mask) {
1819                 dev_err(card->dev, "no codecs found!\n");
1820                 return -ENODEV;
1821         }
1822
1823         if (azx_acquire_irq(chip, 0) < 0)
1824                 return -EBUSY;
1825
1826         strcpy(card->driver, "HDA-Intel");
1827         strlcpy(card->shortname, driver_short_names[chip->driver_type],
1828                 sizeof(card->shortname));
1829         snprintf(card->longname, sizeof(card->longname),
1830                  "%s at 0x%lx irq %i",
1831                  card->shortname, bus->addr, bus->irq);
1832
1833         return 0;
1834 }
1835
1836 #ifdef CONFIG_SND_HDA_PATCH_LOADER
1837 /* callback from request_firmware_nowait() */
1838 static void azx_firmware_cb(const struct firmware *fw, void *context)
1839 {
1840         struct snd_card *card = context;
1841         struct azx *chip = card->private_data;
1842
1843         if (fw)
1844                 chip->fw = fw;
1845         else
1846                 dev_err(card->dev, "Cannot load firmware, continue without patching\n");
1847         if (!chip->disabled) {
1848                 /* continue probing */
1849                 azx_probe_continue(chip);
1850         }
1851 }
1852 #endif
1853
1854 /*
1855  * HDA controller ops.
1856  */
1857
1858 /* PCI register access. */
1859 static void pci_azx_writel(u32 value, u32 __iomem *addr)
1860 {
1861         writel(value, addr);
1862 }
1863
1864 static u32 pci_azx_readl(u32 __iomem *addr)
1865 {
1866         return readl(addr);
1867 }
1868
1869 static void pci_azx_writew(u16 value, u16 __iomem *addr)
1870 {
1871         writew(value, addr);
1872 }
1873
1874 static u16 pci_azx_readw(u16 __iomem *addr)
1875 {
1876         return readw(addr);
1877 }
1878
1879 static void pci_azx_writeb(u8 value, u8 __iomem *addr)
1880 {
1881         writeb(value, addr);
1882 }
1883
1884 static u8 pci_azx_readb(u8 __iomem *addr)
1885 {
1886         return readb(addr);
1887 }
1888
1889 static int disable_msi_reset_irq(struct azx *chip)
1890 {
1891         struct hdac_bus *bus = azx_bus(chip);
1892         int err;
1893
1894         free_irq(bus->irq, chip);
1895         bus->irq = -1;
1896         pci_disable_msi(chip->pci);
1897         chip->msi = 0;
1898         err = azx_acquire_irq(chip, 1);
1899         if (err < 0)
1900                 return err;
1901
1902         return 0;
1903 }
1904
1905 /* DMA page allocation helpers.  */
1906 static int dma_alloc_pages(struct hdac_bus *bus,
1907                            int type,
1908                            size_t size,
1909                            struct snd_dma_buffer *buf)
1910 {
1911         struct azx *chip = bus_to_azx(bus);
1912         int err;
1913
1914         err = snd_dma_alloc_pages(type,
1915                                   bus->dev,
1916                                   size, buf);
1917         if (err < 0)
1918                 return err;
1919         mark_pages_wc(chip, buf, true);
1920         return 0;
1921 }
1922
1923 static void dma_free_pages(struct hdac_bus *bus, struct snd_dma_buffer *buf)
1924 {
1925         struct azx *chip = bus_to_azx(bus);
1926
1927         mark_pages_wc(chip, buf, false);
1928         snd_dma_free_pages(buf);
1929 }
1930
1931 static int substream_alloc_pages(struct azx *chip,
1932                                  struct snd_pcm_substream *substream,
1933                                  size_t size)
1934 {
1935         struct azx_dev *azx_dev = get_azx_dev(substream);
1936         int ret;
1937
1938         mark_runtime_wc(chip, azx_dev, substream, false);
1939         ret = snd_pcm_lib_malloc_pages(substream, size);
1940         if (ret < 0)
1941                 return ret;
1942         mark_runtime_wc(chip, azx_dev, substream, true);
1943         return 0;
1944 }
1945
1946 static int substream_free_pages(struct azx *chip,
1947                                 struct snd_pcm_substream *substream)
1948 {
1949         struct azx_dev *azx_dev = get_azx_dev(substream);
1950         mark_runtime_wc(chip, azx_dev, substream, false);
1951         return snd_pcm_lib_free_pages(substream);
1952 }
1953
1954 static void pcm_mmap_prepare(struct snd_pcm_substream *substream,
1955                              struct vm_area_struct *area)
1956 {
1957 #ifdef CONFIG_X86
1958         struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1959         struct azx *chip = apcm->chip;
1960         if (chip->uc_buffer)
1961                 area->vm_page_prot = pgprot_writecombine(area->vm_page_prot);
1962 #endif
1963 }
1964
1965 static const struct hdac_io_ops pci_hda_io_ops = {
1966         .reg_writel = pci_azx_writel,
1967         .reg_readl = pci_azx_readl,
1968         .reg_writew = pci_azx_writew,
1969         .reg_readw = pci_azx_readw,
1970         .reg_writeb = pci_azx_writeb,
1971         .reg_readb = pci_azx_readb,
1972         .dma_alloc_pages = dma_alloc_pages,
1973         .dma_free_pages = dma_free_pages,
1974 };
1975
1976 /* Blacklist for skipping the whole probe:
1977  * some HD-audio PCI entries are exposed without any codecs, and such devices
1978  * should be ignored from the beginning.
1979  */
1980 static const struct pci_device_id driver_blacklist[] = {
1981         { PCI_DEVICE_SUB(0x1022, 0x1487, 0x1043, 0x874f) }, /* ASUS ROG Zenith II / Strix */
1982         { PCI_DEVICE_SUB(0x1022, 0x1487, 0x1462, 0xcb59) }, /* MSI TRX40 Creator */
1983         { PCI_DEVICE_SUB(0x1022, 0x1487, 0x1462, 0xcb60) }, /* MSI TRX40 */
1984         {}
1985 };
1986
1987 static const struct hda_controller_ops pci_hda_ops = {
1988         .disable_msi_reset_irq = disable_msi_reset_irq,
1989         .substream_alloc_pages = substream_alloc_pages,
1990         .substream_free_pages = substream_free_pages,
1991         .pcm_mmap_prepare = pcm_mmap_prepare,
1992         .position_check = azx_position_check,
1993         .link_power = azx_intel_link_power,
1994 };
1995
1996 static int azx_probe(struct pci_dev *pci,
1997                      const struct pci_device_id *pci_id)
1998 {
1999         static int dev;
2000         struct snd_card *card;
2001         struct hda_intel *hda;
2002         struct azx *chip;
2003         bool schedule_probe;
2004         int err;
2005
2006         if (pci_match_id(driver_blacklist, pci)) {
2007                 dev_info(&pci->dev, "Skipping the blacklisted device\n");
2008                 return -ENODEV;
2009         }
2010
2011         if (dev >= SNDRV_CARDS)
2012                 return -ENODEV;
2013         if (!enable[dev]) {
2014                 dev++;
2015                 return -ENOENT;
2016         }
2017
2018         err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2019                            0, &card);
2020         if (err < 0) {
2021                 dev_err(&pci->dev, "Error creating card!\n");
2022                 return err;
2023         }
2024
2025         err = azx_create(card, pci, dev, pci_id->driver_data, &chip);
2026         if (err < 0)
2027                 goto out_free;
2028         card->private_data = chip;
2029         hda = container_of(chip, struct hda_intel, chip);
2030
2031         pci_set_drvdata(pci, card);
2032
2033         err = register_vga_switcheroo(chip);
2034         if (err < 0) {
2035                 dev_err(card->dev, "Error registering vga_switcheroo client\n");
2036                 goto out_free;
2037         }
2038
2039         if (check_hdmi_disabled(pci)) {
2040                 dev_info(card->dev, "VGA controller is disabled\n");
2041                 dev_info(card->dev, "Delaying initialization\n");
2042                 chip->disabled = true;
2043         }
2044
2045         schedule_probe = !chip->disabled;
2046
2047 #ifdef CONFIG_SND_HDA_PATCH_LOADER
2048         if (patch[dev] && *patch[dev]) {
2049                 dev_info(card->dev, "Applying patch firmware '%s'\n",
2050                          patch[dev]);
2051                 err = request_firmware_nowait(THIS_MODULE, true, patch[dev],
2052                                               &pci->dev, GFP_KERNEL, card,
2053                                               azx_firmware_cb);
2054                 if (err < 0)
2055                         goto out_free;
2056                 schedule_probe = false; /* continued in azx_firmware_cb() */
2057         }
2058 #endif /* CONFIG_SND_HDA_PATCH_LOADER */
2059
2060 #ifndef CONFIG_SND_HDA_I915
2061         if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL)
2062                 dev_err(card->dev, "Haswell must build in CONFIG_SND_HDA_I915\n");
2063 #endif
2064
2065         if (schedule_probe)
2066                 schedule_work(&hda->probe_work);
2067
2068         dev++;
2069         if (chip->disabled)
2070                 complete_all(&hda->probe_wait);
2071         return 0;
2072
2073 out_free:
2074         snd_card_free(card);
2075         return err;
2076 }
2077
2078 #ifdef CONFIG_PM
2079 /* On some boards setting power_save to a non 0 value leads to clicking /
2080  * popping sounds when ever we enter/leave powersaving mode. Ideally we would
2081  * figure out how to avoid these sounds, but that is not always feasible.
2082  * So we keep a list of devices where we disable powersaving as its known
2083  * to causes problems on these devices.
2084  */
2085 static struct snd_pci_quirk power_save_blacklist[] = {
2086         /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */
2087         SND_PCI_QUIRK(0x1849, 0xc892, "Asrock B85M-ITX", 0),
2088         /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */
2089         SND_PCI_QUIRK(0x1043, 0x8733, "Asus Prime X370-Pro", 0),
2090         /* https://bugzilla.redhat.com/show_bug.cgi?id=1572975 */
2091         SND_PCI_QUIRK(0x17aa, 0x36a7, "Lenovo C50 All in one", 0),
2092         /* https://bugzilla.kernel.org/show_bug.cgi?id=198611 */
2093         SND_PCI_QUIRK(0x17aa, 0x2227, "Lenovo X1 Carbon 3rd Gen", 0),
2094         {}
2095 };
2096 #endif /* CONFIG_PM */
2097
2098 /* number of codec slots for each chipset: 0 = default slots (i.e. 4) */
2099 static unsigned int azx_max_codecs[AZX_NUM_DRIVERS] = {
2100         [AZX_DRIVER_NVIDIA] = 8,
2101         [AZX_DRIVER_TERA] = 1,
2102 };
2103
2104 static int azx_probe_continue(struct azx *chip)
2105 {
2106         struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
2107         struct hdac_bus *bus = azx_bus(chip);
2108         struct pci_dev *pci = chip->pci;
2109         int dev = chip->dev_index;
2110         int val;
2111         int err;
2112
2113         to_hda_bus(bus)->bus_probing = 1;
2114         hda->probe_continued = 1;
2115
2116         /* Request display power well for the HDA controller or codec. For
2117          * Haswell/Broadwell, both the display HDA controller and codec need
2118          * this power. For other platforms, like Baytrail/Braswell, only the
2119          * display codec needs the power and it can be released after probe.
2120          */
2121         if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) {
2122                 /* HSW/BDW controllers need this power */
2123                 if (CONTROLLER_IN_GPU(pci))
2124                         hda->need_i915_power = 1;
2125
2126                 err = snd_hdac_i915_init(bus);
2127                 if (err < 0) {
2128                         /* if the controller is bound only with HDMI/DP
2129                          * (for HSW and BDW), we need to abort the probe;
2130                          * for other chips, still continue probing as other
2131                          * codecs can be on the same link.
2132                          */
2133                         if (CONTROLLER_IN_GPU(pci)) {
2134                                 dev_err(chip->card->dev,
2135                                         "HSW/BDW HD-audio HDMI/DP requires binding with gfx driver\n");
2136                                 goto out_free;
2137                         } else
2138                                 goto skip_i915;
2139                 }
2140
2141                 err = snd_hdac_display_power(bus, true);
2142                 if (err < 0) {
2143                         dev_err(chip->card->dev,
2144                                 "Cannot turn on display power on i915\n");
2145                         goto i915_power_fail;
2146                 }
2147         }
2148
2149  skip_i915:
2150         err = azx_first_init(chip);
2151         if (err < 0)
2152                 goto out_free;
2153
2154 #ifdef CONFIG_SND_HDA_INPUT_BEEP
2155         chip->beep_mode = beep_mode[dev];
2156 #endif
2157
2158         /* create codec instances */
2159         err = azx_probe_codecs(chip, azx_max_codecs[chip->driver_type]);
2160         if (err < 0)
2161                 goto out_free;
2162
2163 #ifdef CONFIG_SND_HDA_PATCH_LOADER
2164         if (chip->fw) {
2165                 err = snd_hda_load_patch(&chip->bus, chip->fw->size,
2166                                          chip->fw->data);
2167                 if (err < 0)
2168                         goto out_free;
2169 #ifndef CONFIG_PM
2170                 release_firmware(chip->fw); /* no longer needed */
2171                 chip->fw = NULL;
2172 #endif
2173         }
2174 #endif
2175         if ((probe_only[dev] & 1) == 0) {
2176                 err = azx_codec_configure(chip);
2177                 if (err < 0)
2178                         goto out_free;
2179         }
2180
2181         err = snd_card_register(chip->card);
2182         if (err < 0)
2183                 goto out_free;
2184
2185         chip->running = 1;
2186         azx_add_card_list(chip);
2187
2188         val = power_save;
2189 #ifdef CONFIG_PM
2190         if (pm_blacklist) {
2191                 const struct snd_pci_quirk *q;
2192
2193                 q = snd_pci_quirk_lookup(chip->pci, power_save_blacklist);
2194                 if (q && val) {
2195                         dev_info(chip->card->dev, "device %04x:%04x is on the power_save blacklist, forcing power_save to 0\n",
2196                                  q->subvendor, q->subdevice);
2197                         val = 0;
2198                 }
2199         }
2200 #endif /* CONFIG_PM */
2201         snd_hda_set_power_save(&chip->bus, val * 1000);
2202         if (azx_has_pm_runtime(chip) || hda->use_vga_switcheroo)
2203                 pm_runtime_put_noidle(&pci->dev);
2204
2205 out_free:
2206         if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL
2207                 && !hda->need_i915_power)
2208                 snd_hdac_display_power(bus, false);
2209
2210 i915_power_fail:
2211         if (err < 0)
2212                 hda->init_failed = 1;
2213         complete_all(&hda->probe_wait);
2214         to_hda_bus(bus)->bus_probing = 0;
2215         return err;
2216 }
2217
2218 static void azx_remove(struct pci_dev *pci)
2219 {
2220         struct snd_card *card = pci_get_drvdata(pci);
2221         struct azx *chip;
2222         struct hda_intel *hda;
2223
2224         if (card) {
2225                 /* cancel the pending probing work */
2226                 chip = card->private_data;
2227                 hda = container_of(chip, struct hda_intel, chip);
2228                 /* FIXME: below is an ugly workaround.
2229                  * Both device_release_driver() and driver_probe_device()
2230                  * take *both* the device's and its parent's lock before
2231                  * calling the remove() and probe() callbacks.  The codec
2232                  * probe takes the locks of both the codec itself and its
2233                  * parent, i.e. the PCI controller dev.  Meanwhile, when
2234                  * the PCI controller is unbound, it takes its lock, too
2235                  * ==> ouch, a deadlock!
2236                  * As a workaround, we unlock temporarily here the controller
2237                  * device during cancel_work_sync() call.
2238                  */
2239                 device_unlock(&pci->dev);
2240                 cancel_work_sync(&hda->probe_work);
2241                 device_lock(&pci->dev);
2242
2243                 snd_card_free(card);
2244         }
2245 }
2246
2247 static void azx_shutdown(struct pci_dev *pci)
2248 {
2249         struct snd_card *card = pci_get_drvdata(pci);
2250         struct azx *chip;
2251
2252         if (!card)
2253                 return;
2254         chip = card->private_data;
2255         if (chip && chip->running)
2256                 azx_stop_chip(chip);
2257 }
2258
2259 /* PCI IDs */
2260 static const struct pci_device_id azx_ids[] = {
2261         /* CPT */
2262         { PCI_DEVICE(0x8086, 0x1c20),
2263           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM },
2264         /* PBG */
2265         { PCI_DEVICE(0x8086, 0x1d20),
2266           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM },
2267         /* Panther Point */
2268         { PCI_DEVICE(0x8086, 0x1e20),
2269           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM },
2270         /* Lynx Point */
2271         { PCI_DEVICE(0x8086, 0x8c20),
2272           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2273         /* 9 Series */
2274         { PCI_DEVICE(0x8086, 0x8ca0),
2275           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2276         /* Wellsburg */
2277         { PCI_DEVICE(0x8086, 0x8d20),
2278           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2279         { PCI_DEVICE(0x8086, 0x8d21),
2280           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2281         /* Lewisburg */
2282         { PCI_DEVICE(0x8086, 0xa1f0),
2283           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE },
2284         { PCI_DEVICE(0x8086, 0xa270),
2285           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE },
2286         /* Lynx Point-LP */
2287         { PCI_DEVICE(0x8086, 0x9c20),
2288           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2289         /* Lynx Point-LP */
2290         { PCI_DEVICE(0x8086, 0x9c21),
2291           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2292         /* Wildcat Point-LP */
2293         { PCI_DEVICE(0x8086, 0x9ca0),
2294           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2295         /* Sunrise Point */
2296         { PCI_DEVICE(0x8086, 0xa170),
2297           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE },
2298         /* Sunrise Point-LP */
2299         { PCI_DEVICE(0x8086, 0x9d70),
2300           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE },
2301         /* Kabylake */
2302         { PCI_DEVICE(0x8086, 0xa171),
2303           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE },
2304         /* Kabylake-LP */
2305         { PCI_DEVICE(0x8086, 0x9d71),
2306           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE },
2307         /* Kabylake-H */
2308         { PCI_DEVICE(0x8086, 0xa2f0),
2309           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE },
2310         /* Broxton-P(Apollolake) */
2311         { PCI_DEVICE(0x8086, 0x5a98),
2312           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BROXTON },
2313         /* Broxton-T */
2314         { PCI_DEVICE(0x8086, 0x1a98),
2315           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BROXTON },
2316         /* Haswell */
2317         { PCI_DEVICE(0x8086, 0x0a0c),
2318           .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL },
2319         { PCI_DEVICE(0x8086, 0x0c0c),
2320           .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL },
2321         { PCI_DEVICE(0x8086, 0x0d0c),
2322           .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL },
2323         /* Broadwell */
2324         { PCI_DEVICE(0x8086, 0x160c),
2325           .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_BROADWELL },
2326         /* 5 Series/3400 */
2327         { PCI_DEVICE(0x8086, 0x3b56),
2328           .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_NOPM },
2329         /* Poulsbo */
2330         { PCI_DEVICE(0x8086, 0x811b),
2331           .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_NOPM },
2332         /* Oaktrail */
2333         { PCI_DEVICE(0x8086, 0x080a),
2334           .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_NOPM },
2335         /* BayTrail */
2336         { PCI_DEVICE(0x8086, 0x0f04),
2337           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BAYTRAIL },
2338         /* Braswell */
2339         { PCI_DEVICE(0x8086, 0x2284),
2340           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BRASWELL },
2341         /* ICH6 */
2342         { PCI_DEVICE(0x8086, 0x2668),
2343           .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2344         /* ICH7 */
2345         { PCI_DEVICE(0x8086, 0x27d8),
2346           .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2347         /* ESB2 */
2348         { PCI_DEVICE(0x8086, 0x269a),
2349           .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2350         /* ICH8 */
2351         { PCI_DEVICE(0x8086, 0x284b),
2352           .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2353         /* ICH9 */
2354         { PCI_DEVICE(0x8086, 0x293e),
2355           .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2356         /* ICH9 */
2357         { PCI_DEVICE(0x8086, 0x293f),
2358           .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2359         /* ICH10 */
2360         { PCI_DEVICE(0x8086, 0x3a3e),
2361           .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2362         /* ICH10 */
2363         { PCI_DEVICE(0x8086, 0x3a6e),
2364           .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2365         /* Generic Intel */
2366         { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_ANY_ID),
2367           .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2368           .class_mask = 0xffffff,
2369           .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_NO_ALIGN_BUFSIZE },
2370         /* ATI SB 450/600/700/800/900 */
2371         { PCI_DEVICE(0x1002, 0x437b),
2372           .driver_data = AZX_DRIVER_ATI | AZX_DCAPS_PRESET_ATI_SB },
2373         { PCI_DEVICE(0x1002, 0x4383),
2374           .driver_data = AZX_DRIVER_ATI | AZX_DCAPS_PRESET_ATI_SB },
2375         /* AMD Hudson */
2376         { PCI_DEVICE(0x1022, 0x780d),
2377           .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB },
2378         /* AMD Stoney */
2379         { PCI_DEVICE(0x1022, 0x157a),
2380           .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB |
2381                          AZX_DCAPS_PM_RUNTIME },
2382         /* AMD Raven */
2383         { PCI_DEVICE(0x1022, 0x15e3),
2384           .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB |
2385                          AZX_DCAPS_PM_RUNTIME },
2386         /* ATI HDMI */
2387         { PCI_DEVICE(0x1002, 0x0002),
2388           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2389         { PCI_DEVICE(0x1002, 0x1308),
2390           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2391         { PCI_DEVICE(0x1002, 0x157a),
2392           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2393         { PCI_DEVICE(0x1002, 0x15b3),
2394           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2395         { PCI_DEVICE(0x1002, 0x793b),
2396           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2397         { PCI_DEVICE(0x1002, 0x7919),
2398           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2399         { PCI_DEVICE(0x1002, 0x960f),
2400           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2401         { PCI_DEVICE(0x1002, 0x970f),
2402           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2403         { PCI_DEVICE(0x1002, 0x9840),
2404           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2405         { PCI_DEVICE(0x1002, 0xaa00),
2406           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2407         { PCI_DEVICE(0x1002, 0xaa08),
2408           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2409         { PCI_DEVICE(0x1002, 0xaa10),
2410           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2411         { PCI_DEVICE(0x1002, 0xaa18),
2412           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2413         { PCI_DEVICE(0x1002, 0xaa20),
2414           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2415         { PCI_DEVICE(0x1002, 0xaa28),
2416           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2417         { PCI_DEVICE(0x1002, 0xaa30),
2418           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2419         { PCI_DEVICE(0x1002, 0xaa38),
2420           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2421         { PCI_DEVICE(0x1002, 0xaa40),
2422           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2423         { PCI_DEVICE(0x1002, 0xaa48),
2424           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2425         { PCI_DEVICE(0x1002, 0xaa50),
2426           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2427         { PCI_DEVICE(0x1002, 0xaa58),
2428           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2429         { PCI_DEVICE(0x1002, 0xaa60),
2430           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2431         { PCI_DEVICE(0x1002, 0xaa68),
2432           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2433         { PCI_DEVICE(0x1002, 0xaa80),
2434           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2435         { PCI_DEVICE(0x1002, 0xaa88),
2436           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2437         { PCI_DEVICE(0x1002, 0xaa90),
2438           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2439         { PCI_DEVICE(0x1002, 0xaa98),
2440           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2441         { PCI_DEVICE(0x1002, 0x9902),
2442           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2443         { PCI_DEVICE(0x1002, 0xaaa0),
2444           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2445         { PCI_DEVICE(0x1002, 0xaaa8),
2446           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2447         { PCI_DEVICE(0x1002, 0xaab0),
2448           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2449         { PCI_DEVICE(0x1002, 0xaac0),
2450           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2451         { PCI_DEVICE(0x1002, 0xaac8),
2452           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2453         { PCI_DEVICE(0x1002, 0xaad8),
2454           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2455         { PCI_DEVICE(0x1002, 0xaae8),
2456           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2457         { PCI_DEVICE(0x1002, 0xaae0),
2458           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2459         { PCI_DEVICE(0x1002, 0xaaf0),
2460           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2461         /* VIA VT8251/VT8237A */
2462         { PCI_DEVICE(0x1106, 0x3288),
2463           .driver_data = AZX_DRIVER_VIA | AZX_DCAPS_POSFIX_VIA },
2464         /* VIA GFX VT7122/VX900 */
2465         { PCI_DEVICE(0x1106, 0x9170), .driver_data = AZX_DRIVER_GENERIC },
2466         /* VIA GFX VT6122/VX11 */
2467         { PCI_DEVICE(0x1106, 0x9140), .driver_data = AZX_DRIVER_GENERIC },
2468         /* SIS966 */
2469         { PCI_DEVICE(0x1039, 0x7502), .driver_data = AZX_DRIVER_SIS },
2470         /* ULI M5461 */
2471         { PCI_DEVICE(0x10b9, 0x5461), .driver_data = AZX_DRIVER_ULI },
2472         /* NVIDIA MCP */
2473         { PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
2474           .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2475           .class_mask = 0xffffff,
2476           .driver_data = AZX_DRIVER_NVIDIA | AZX_DCAPS_PRESET_NVIDIA },
2477         /* Teradici */
2478         { PCI_DEVICE(0x6549, 0x1200),
2479           .driver_data = AZX_DRIVER_TERA | AZX_DCAPS_NO_64BIT },
2480         { PCI_DEVICE(0x6549, 0x2200),
2481           .driver_data = AZX_DRIVER_TERA | AZX_DCAPS_NO_64BIT },
2482         /* Creative X-Fi (CA0110-IBG) */
2483         /* CTHDA chips */
2484         { PCI_DEVICE(0x1102, 0x0010),
2485           .driver_data = AZX_DRIVER_CTHDA | AZX_DCAPS_PRESET_CTHDA },
2486         { PCI_DEVICE(0x1102, 0x0012),
2487           .driver_data = AZX_DRIVER_CTHDA | AZX_DCAPS_PRESET_CTHDA },
2488 #if !IS_ENABLED(CONFIG_SND_CTXFI)
2489         /* the following entry conflicts with snd-ctxfi driver,
2490          * as ctxfi driver mutates from HD-audio to native mode with
2491          * a special command sequence.
2492          */
2493         { PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_ANY_ID),
2494           .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2495           .class_mask = 0xffffff,
2496           .driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND |
2497           AZX_DCAPS_NO_64BIT | AZX_DCAPS_POSFIX_LPIB },
2498 #else
2499         /* this entry seems still valid -- i.e. without emu20kx chip */
2500         { PCI_DEVICE(0x1102, 0x0009),
2501           .driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND |
2502           AZX_DCAPS_NO_64BIT | AZX_DCAPS_POSFIX_LPIB },
2503 #endif
2504         /* CM8888 */
2505         { PCI_DEVICE(0x13f6, 0x5011),
2506           .driver_data = AZX_DRIVER_CMEDIA |
2507           AZX_DCAPS_NO_MSI | AZX_DCAPS_POSFIX_LPIB | AZX_DCAPS_SNOOP_OFF },
2508         /* Vortex86MX */
2509         { PCI_DEVICE(0x17f3, 0x3010), .driver_data = AZX_DRIVER_GENERIC },
2510         /* VMware HDAudio */
2511         { PCI_DEVICE(0x15ad, 0x1977), .driver_data = AZX_DRIVER_GENERIC },
2512         /* AMD/ATI Generic, PCI class code and Vendor ID for HD Audio */
2513         { PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_ANY_ID),
2514           .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2515           .class_mask = 0xffffff,
2516           .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_HDMI },
2517         { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_ANY_ID),
2518           .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2519           .class_mask = 0xffffff,
2520           .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_HDMI },
2521         { 0, }
2522 };
2523 MODULE_DEVICE_TABLE(pci, azx_ids);
2524
2525 /* pci_driver definition */
2526 static struct pci_driver azx_driver = {
2527         .name = KBUILD_MODNAME,
2528         .id_table = azx_ids,
2529         .probe = azx_probe,
2530         .remove = azx_remove,
2531         .shutdown = azx_shutdown,
2532         .driver = {
2533                 .pm = AZX_PM_OPS,
2534         },
2535 };
2536
2537 module_pci_driver(azx_driver);