linux/sound/pci/hda/hda_intel.c
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   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 */
  73enum {
  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
 121static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
 122static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
 123static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
 124static char *model[SNDRV_CARDS];
 125static int position_fix[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
 126static int bdl_pos_adj[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
 127static int probe_mask[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
 128static int probe_only[SNDRV_CARDS];
 129static int jackpoll_ms[SNDRV_CARDS];
 130static bool single_cmd;
 131static int enable_msi = -1;
 132#ifdef CONFIG_SND_HDA_PATCH_LOADER
 133static char *patch[SNDRV_CARDS];
 134#endif
 135#ifdef CONFIG_SND_HDA_INPUT_BEEP
 136static bool beep_mode[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] =
 137                                        CONFIG_SND_HDA_INPUT_BEEP_MODE};
 138#endif
 139
 140module_param_array(index, int, NULL, 0444);
 141MODULE_PARM_DESC(index, "Index value for Intel HD audio interface.");
 142module_param_array(id, charp, NULL, 0444);
 143MODULE_PARM_DESC(id, "ID string for Intel HD audio interface.");
 144module_param_array(enable, bool, NULL, 0444);
 145MODULE_PARM_DESC(enable, "Enable Intel HD audio interface.");
 146module_param_array(model, charp, NULL, 0444);
 147MODULE_PARM_DESC(model, "Use the given board model.");
 148module_param_array(position_fix, int, NULL, 0444);
 149MODULE_PARM_DESC(position_fix, "DMA pointer read method."
 150                 "(-1 = system default, 0 = auto, 1 = LPIB, 2 = POSBUF, 3 = VIACOMBO, 4 = COMBO).");
 151module_param_array(bdl_pos_adj, int, NULL, 0644);
 152MODULE_PARM_DESC(bdl_pos_adj, "BDL position adjustment offset.");
 153module_param_array(probe_mask, int, NULL, 0444);
 154MODULE_PARM_DESC(probe_mask, "Bitmask to probe codecs (default = -1).");
 155module_param_array(probe_only, int, NULL, 0444);
 156MODULE_PARM_DESC(probe_only, "Only probing and no codec initialization.");
 157module_param_array(jackpoll_ms, int, NULL, 0444);
 158MODULE_PARM_DESC(jackpoll_ms, "Ms between polling for jack events (default = 0, using unsol events only)");
 159module_param(single_cmd, bool, 0444);
 160MODULE_PARM_DESC(single_cmd, "Use single command to communicate with codecs "
 161                 "(for debugging only).");
 162module_param(enable_msi, bint, 0444);
 163MODULE_PARM_DESC(enable_msi, "Enable Message Signaled Interrupt (MSI)");
 164#ifdef CONFIG_SND_HDA_PATCH_LOADER
 165module_param_array(patch, charp, NULL, 0444);
 166MODULE_PARM_DESC(patch, "Patch file for Intel HD audio interface.");
 167#endif
 168#ifdef CONFIG_SND_HDA_INPUT_BEEP
 169module_param_array(beep_mode, bool, NULL, 0444);
 170MODULE_PARM_DESC(beep_mode, "Select HDA Beep registration mode "
 171                            "(0=off, 1=on) (default=1).");
 172#endif
 173
 174#ifdef CONFIG_PM
 175static int param_set_xint(const char *val, const struct kernel_param *kp);
 176static 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
 182static int power_save = CONFIG_SND_HDA_POWER_SAVE_DEFAULT;
 183module_param(power_save, xint, 0644);
 184MODULE_PARM_DESC(power_save, "Automatic power-saving timeout "
 185                 "(in second, 0 = disable).");
 186
 187/* reset the HD-audio controller in power save mode.
 188 * this may give more power-saving, but will take longer time to
 189 * wake up.
 190 */
 191static bool power_save_controller = 1;
 192module_param(power_save_controller, bool, 0644);
 193MODULE_PARM_DESC(power_save_controller, "Reset controller in power save mode.");
 194#else
 195#define power_save      0
 196#endif /* CONFIG_PM */
 197
 198static int align_buffer_size = -1;
 199module_param(align_buffer_size, bint, 0644);
 200MODULE_PARM_DESC(align_buffer_size,
 201                "Force buffer and period sizes to be multiple of 128 bytes.");
 202
 203#ifdef CONFIG_X86
 204static int hda_snoop = -1;
 205module_param_named(snoop, hda_snoop, bint, 0444);
 206MODULE_PARM_DESC(snoop, "Enable/disable snooping");
 207#else
 208#define hda_snoop               true
 209#endif
 210
 211
 212MODULE_LICENSE("GPL");
 213MODULE_SUPPORTED_DEVICE("{{Intel, ICH6},"
 214                         "{Intel, ICH6M},"
 215                         "{Intel, ICH7},"
 216                         "{Intel, ESB2},"
 217                         "{Intel, ICH8},"
 218                         "{Intel, ICH9},"
 219                         "{Intel, ICH10},"
 220                         "{Intel, PCH},"
 221                         "{Intel, CPT},"
 222                         "{Intel, PPT},"
 223                         "{Intel, LPT},"
 224                         "{Intel, LPT_LP},"
 225                         "{Intel, WPT_LP},"
 226                         "{Intel, SPT},"
 227                         "{Intel, SPT_LP},"
 228                         "{Intel, HPT},"
 229                         "{Intel, PBG},"
 230                         "{Intel, SCH},"
 231                         "{ATI, SB450},"
 232                         "{ATI, SB600},"
 233                         "{ATI, RS600},"
 234                         "{ATI, RS690},"
 235                         "{ATI, RS780},"
 236                         "{ATI, R600},"
 237                         "{ATI, RV630},"
 238                         "{ATI, RV610},"
 239                         "{ATI, RV670},"
 240                         "{ATI, RV635},"
 241                         "{ATI, RV620},"
 242                         "{ATI, RV770},"
 243                         "{VIA, VT8251},"
 244                         "{VIA, VT8237A},"
 245                         "{SiS, SIS966},"
 246                         "{ULI, M5461}}");
 247MODULE_DESCRIPTION("Intel HDA driver");
 248
 249#if defined(CONFIG_PM) && defined(CONFIG_VGA_SWITCHEROO)
 250#if IS_ENABLED(CONFIG_SND_HDA_CODEC_HDMI)
 251#define SUPPORT_VGA_SWITCHEROO
 252#endif
 253#endif
 254
 255
 256/*
 257 */
 258
 259/* driver types */
 260enum {
 261        AZX_DRIVER_ICH,
 262        AZX_DRIVER_PCH,
 263        AZX_DRIVER_SCH,
 264        AZX_DRIVER_HDMI,
 265        AZX_DRIVER_ATI,
 266        AZX_DRIVER_ATIHDMI,
 267        AZX_DRIVER_ATIHDMI_NS,
 268        AZX_DRIVER_VIA,
 269        AZX_DRIVER_SIS,
 270        AZX_DRIVER_ULI,
 271        AZX_DRIVER_NVIDIA,
 272        AZX_DRIVER_TERA,
 273        AZX_DRIVER_CTX,
 274        AZX_DRIVER_CTHDA,
 275        AZX_DRIVER_CMEDIA,
 276        AZX_DRIVER_GENERIC,
 277        AZX_NUM_DRIVERS, /* keep this as last entry */
 278};
 279
 280#define azx_get_snoop_type(chip) \
 281        (((chip)->driver_caps & AZX_DCAPS_SNOOP_MASK) >> 10)
 282#define AZX_DCAPS_SNOOP_TYPE(type) ((AZX_SNOOP_TYPE_ ## type) << 10)
 283
 284/* quirks for old Intel chipsets */
 285#define AZX_DCAPS_INTEL_ICH \
 286        (AZX_DCAPS_OLD_SSYNC | AZX_DCAPS_NO_ALIGN_BUFSIZE)
 287
 288/* quirks for Intel PCH */
 289#define AZX_DCAPS_INTEL_PCH_BASE \
 290        (AZX_DCAPS_NO_ALIGN_BUFSIZE | AZX_DCAPS_COUNT_LPIB_DELAY |\
 291         AZX_DCAPS_SNOOP_TYPE(SCH))
 292
 293/* PCH up to IVB; no runtime PM */
 294#define AZX_DCAPS_INTEL_PCH_NOPM \
 295        (AZX_DCAPS_INTEL_PCH_BASE)
 296
 297/* PCH for HSW/BDW; with runtime PM */
 298#define AZX_DCAPS_INTEL_PCH \
 299        (AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_PM_RUNTIME)
 300
 301/* HSW HDMI */
 302#define AZX_DCAPS_INTEL_HASWELL \
 303        (/*AZX_DCAPS_ALIGN_BUFSIZE |*/ AZX_DCAPS_COUNT_LPIB_DELAY |\
 304         AZX_DCAPS_PM_RUNTIME | AZX_DCAPS_I915_POWERWELL |\
 305         AZX_DCAPS_SNOOP_TYPE(SCH))
 306
 307/* Broadwell HDMI can't use position buffer reliably, force to use LPIB */
 308#define AZX_DCAPS_INTEL_BROADWELL \
 309        (/*AZX_DCAPS_ALIGN_BUFSIZE |*/ AZX_DCAPS_POSFIX_LPIB |\
 310         AZX_DCAPS_PM_RUNTIME | AZX_DCAPS_I915_POWERWELL |\
 311         AZX_DCAPS_SNOOP_TYPE(SCH))
 312
 313#define AZX_DCAPS_INTEL_BAYTRAIL \
 314        (AZX_DCAPS_INTEL_PCH_NOPM | AZX_DCAPS_I915_POWERWELL)
 315
 316#define AZX_DCAPS_INTEL_BRASWELL \
 317        (AZX_DCAPS_INTEL_PCH | AZX_DCAPS_I915_POWERWELL)
 318
 319#define AZX_DCAPS_INTEL_SKYLAKE \
 320        (AZX_DCAPS_INTEL_PCH | AZX_DCAPS_SEPARATE_STREAM_TAG |\
 321         AZX_DCAPS_I915_POWERWELL)
 322
 323#define AZX_DCAPS_INTEL_BROXTON \
 324        (AZX_DCAPS_INTEL_PCH | AZX_DCAPS_SEPARATE_STREAM_TAG |\
 325         AZX_DCAPS_I915_POWERWELL)
 326
 327/* quirks for ATI SB / AMD Hudson */
 328#define AZX_DCAPS_PRESET_ATI_SB \
 329        (AZX_DCAPS_NO_TCSEL | AZX_DCAPS_SYNC_WRITE | AZX_DCAPS_POSFIX_LPIB |\
 330         AZX_DCAPS_SNOOP_TYPE(ATI))
 331
 332/* quirks for ATI/AMD HDMI */
 333#define AZX_DCAPS_PRESET_ATI_HDMI \
 334        (AZX_DCAPS_NO_TCSEL | AZX_DCAPS_SYNC_WRITE | AZX_DCAPS_POSFIX_LPIB|\
 335         AZX_DCAPS_NO_MSI64)
 336
 337/* quirks for ATI HDMI with snoop off */
 338#define AZX_DCAPS_PRESET_ATI_HDMI_NS \
 339        (AZX_DCAPS_PRESET_ATI_HDMI | AZX_DCAPS_SNOOP_OFF)
 340
 341/* quirks for Nvidia */
 342#define AZX_DCAPS_PRESET_NVIDIA \
 343        (AZX_DCAPS_NO_MSI | /*AZX_DCAPS_ALIGN_BUFSIZE |*/ \
 344         AZX_DCAPS_NO_64BIT | AZX_DCAPS_CORBRP_SELF_CLEAR |\
 345         AZX_DCAPS_SNOOP_TYPE(NVIDIA))
 346
 347#define AZX_DCAPS_PRESET_CTHDA \
 348        (AZX_DCAPS_NO_MSI | AZX_DCAPS_POSFIX_LPIB |\
 349         AZX_DCAPS_NO_64BIT |\
 350         AZX_DCAPS_4K_BDLE_BOUNDARY | AZX_DCAPS_SNOOP_OFF)
 351
 352/*
 353 * vga_switcheroo support
 354 */
 355#ifdef SUPPORT_VGA_SWITCHEROO
 356#define use_vga_switcheroo(chip)        ((chip)->use_vga_switcheroo)
 357#else
 358#define use_vga_switcheroo(chip)        0
 359#endif
 360
 361#define CONTROLLER_IN_GPU(pci) (((pci)->device == 0x0a0c) || \
 362                                        ((pci)->device == 0x0c0c) || \
 363                                        ((pci)->device == 0x0d0c) || \
 364                                        ((pci)->device == 0x160c))
 365
 366#define IS_SKL(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0xa170)
 367#define IS_SKL_LP(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x9d70)
 368#define IS_KBL(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0xa171)
 369#define IS_KBL_LP(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x9d71)
 370#define IS_KBL_H(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0xa2f0)
 371#define IS_BXT(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x5a98)
 372#define IS_SKL_PLUS(pci) (IS_SKL(pci) || IS_SKL_LP(pci) || IS_BXT(pci)) || \
 373                        IS_KBL(pci) || IS_KBL_LP(pci) || IS_KBL_H(pci)
 374
 375static char *driver_short_names[] = {
 376        [AZX_DRIVER_ICH] = "HDA Intel",
 377        [AZX_DRIVER_PCH] = "HDA Intel PCH",
 378        [AZX_DRIVER_SCH] = "HDA Intel MID",
 379        [AZX_DRIVER_HDMI] = "HDA Intel HDMI",
 380        [AZX_DRIVER_ATI] = "HDA ATI SB",
 381        [AZX_DRIVER_ATIHDMI] = "HDA ATI HDMI",
 382        [AZX_DRIVER_ATIHDMI_NS] = "HDA ATI HDMI",
 383        [AZX_DRIVER_VIA] = "HDA VIA VT82xx",
 384        [AZX_DRIVER_SIS] = "HDA SIS966",
 385        [AZX_DRIVER_ULI] = "HDA ULI M5461",
 386        [AZX_DRIVER_NVIDIA] = "HDA NVidia",
 387        [AZX_DRIVER_TERA] = "HDA Teradici", 
 388        [AZX_DRIVER_CTX] = "HDA Creative", 
 389        [AZX_DRIVER_CTHDA] = "HDA Creative",
 390        [AZX_DRIVER_CMEDIA] = "HDA C-Media",
 391        [AZX_DRIVER_GENERIC] = "HD-Audio Generic",
 392};
 393
 394#ifdef CONFIG_X86
 395static void __mark_pages_wc(struct azx *chip, struct snd_dma_buffer *dmab, bool on)
 396{
 397        int pages;
 398
 399        if (azx_snoop(chip))
 400                return;
 401        if (!dmab || !dmab->area || !dmab->bytes)
 402                return;
 403
 404#ifdef CONFIG_SND_DMA_SGBUF
 405        if (dmab->dev.type == SNDRV_DMA_TYPE_DEV_SG) {
 406                struct snd_sg_buf *sgbuf = dmab->private_data;
 407                if (chip->driver_type == AZX_DRIVER_CMEDIA)
 408                        return; /* deal with only CORB/RIRB buffers */
 409                if (on)
 410                        set_pages_array_wc(sgbuf->page_table, sgbuf->pages);
 411                else
 412                        set_pages_array_wb(sgbuf->page_table, sgbuf->pages);
 413                return;
 414        }
 415#endif
 416
 417        pages = (dmab->bytes + PAGE_SIZE - 1) >> PAGE_SHIFT;
 418        if (on)
 419                set_memory_wc((unsigned long)dmab->area, pages);
 420        else
 421                set_memory_wb((unsigned long)dmab->area, pages);
 422}
 423
 424static inline void mark_pages_wc(struct azx *chip, struct snd_dma_buffer *buf,
 425                                 bool on)
 426{
 427        __mark_pages_wc(chip, buf, on);
 428}
 429static inline void mark_runtime_wc(struct azx *chip, struct azx_dev *azx_dev,
 430                                   struct snd_pcm_substream *substream, bool on)
 431{
 432        if (azx_dev->wc_marked != on) {
 433                __mark_pages_wc(chip, snd_pcm_get_dma_buf(substream), on);
 434                azx_dev->wc_marked = on;
 435        }
 436}
 437#else
 438/* NOP for other archs */
 439static inline void mark_pages_wc(struct azx *chip, struct snd_dma_buffer *buf,
 440                                 bool on)
 441{
 442}
 443static inline void mark_runtime_wc(struct azx *chip, struct azx_dev *azx_dev,
 444                                   struct snd_pcm_substream *substream, bool on)
 445{
 446}
 447#endif
 448
 449static int azx_acquire_irq(struct azx *chip, int do_disconnect);
 450
 451/*
 452 * initialize the PCI registers
 453 */
 454/* update bits in a PCI register byte */
 455static void update_pci_byte(struct pci_dev *pci, unsigned int reg,
 456                            unsigned char mask, unsigned char val)
 457{
 458        unsigned char data;
 459
 460        pci_read_config_byte(pci, reg, &data);
 461        data &= ~mask;
 462        data |= (val & mask);
 463        pci_write_config_byte(pci, reg, data);
 464}
 465
 466static void azx_init_pci(struct azx *chip)
 467{
 468        int snoop_type = azx_get_snoop_type(chip);
 469
 470        /* Clear bits 0-2 of PCI register TCSEL (at offset 0x44)
 471         * TCSEL == Traffic Class Select Register, which sets PCI express QOS
 472         * Ensuring these bits are 0 clears playback static on some HD Audio
 473         * codecs.
 474         * The PCI register TCSEL is defined in the Intel manuals.
 475         */
 476        if (!(chip->driver_caps & AZX_DCAPS_NO_TCSEL)) {
 477                dev_dbg(chip->card->dev, "Clearing TCSEL\n");
 478                update_pci_byte(chip->pci, AZX_PCIREG_TCSEL, 0x07, 0);
 479        }
 480
 481        /* For ATI SB450/600/700/800/900 and AMD Hudson azalia HD audio,
 482         * we need to enable snoop.
 483         */
 484        if (snoop_type == AZX_SNOOP_TYPE_ATI) {
 485                dev_dbg(chip->card->dev, "Setting ATI snoop: %d\n",
 486                        azx_snoop(chip));
 487                update_pci_byte(chip->pci,
 488                                ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR, 0x07,
 489                                azx_snoop(chip) ? ATI_SB450_HDAUDIO_ENABLE_SNOOP : 0);
 490        }
 491
 492        /* For NVIDIA HDA, enable snoop */
 493        if (snoop_type == AZX_SNOOP_TYPE_NVIDIA) {
 494                dev_dbg(chip->card->dev, "Setting Nvidia snoop: %d\n",
 495                        azx_snoop(chip));
 496                update_pci_byte(chip->pci,
 497                                NVIDIA_HDA_TRANSREG_ADDR,
 498                                0x0f, NVIDIA_HDA_ENABLE_COHBITS);
 499                update_pci_byte(chip->pci,
 500                                NVIDIA_HDA_ISTRM_COH,
 501                                0x01, NVIDIA_HDA_ENABLE_COHBIT);
 502                update_pci_byte(chip->pci,
 503                                NVIDIA_HDA_OSTRM_COH,
 504                                0x01, NVIDIA_HDA_ENABLE_COHBIT);
 505        }
 506
 507        /* Enable SCH/PCH snoop if needed */
 508        if (snoop_type == AZX_SNOOP_TYPE_SCH) {
 509                unsigned short snoop;
 510                pci_read_config_word(chip->pci, INTEL_SCH_HDA_DEVC, &snoop);
 511                if ((!azx_snoop(chip) && !(snoop & INTEL_SCH_HDA_DEVC_NOSNOOP)) ||
 512                    (azx_snoop(chip) && (snoop & INTEL_SCH_HDA_DEVC_NOSNOOP))) {
 513                        snoop &= ~INTEL_SCH_HDA_DEVC_NOSNOOP;
 514                        if (!azx_snoop(chip))
 515                                snoop |= INTEL_SCH_HDA_DEVC_NOSNOOP;
 516                        pci_write_config_word(chip->pci, INTEL_SCH_HDA_DEVC, snoop);
 517                        pci_read_config_word(chip->pci,
 518                                INTEL_SCH_HDA_DEVC, &snoop);
 519                }
 520                dev_dbg(chip->card->dev, "SCH snoop: %s\n",
 521                        (snoop & INTEL_SCH_HDA_DEVC_NOSNOOP) ?
 522                        "Disabled" : "Enabled");
 523        }
 524}
 525
 526/*
 527 * In BXT-P A0, HD-Audio DMA requests is later than expected,
 528 * and makes an audio stream sensitive to system latencies when
 529 * 24/32 bits are playing.
 530 * Adjusting threshold of DMA fifo to force the DMA request
 531 * sooner to improve latency tolerance at the expense of power.
 532 */
 533static void bxt_reduce_dma_latency(struct azx *chip)
 534{
 535        u32 val;
 536
 537        val = azx_readl(chip, SKL_EM4L);
 538        val &= (0x3 << 20);
 539        azx_writel(chip, SKL_EM4L, val);
 540}
 541
 542static void hda_intel_init_chip(struct azx *chip, bool full_reset)
 543{
 544        struct hdac_bus *bus = azx_bus(chip);
 545        struct pci_dev *pci = chip->pci;
 546        u32 val;
 547
 548        if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL)
 549                snd_hdac_set_codec_wakeup(bus, true);
 550        if (IS_SKL_PLUS(pci)) {
 551                pci_read_config_dword(pci, INTEL_HDA_CGCTL, &val);
 552                val = val & ~INTEL_HDA_CGCTL_MISCBDCGE;
 553                pci_write_config_dword(pci, INTEL_HDA_CGCTL, val);
 554        }
 555        azx_init_chip(chip, full_reset);
 556        if (IS_SKL_PLUS(pci)) {
 557                pci_read_config_dword(pci, INTEL_HDA_CGCTL, &val);
 558                val = val | INTEL_HDA_CGCTL_MISCBDCGE;
 559                pci_write_config_dword(pci, INTEL_HDA_CGCTL, val);
 560        }
 561        if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL)
 562                snd_hdac_set_codec_wakeup(bus, false);
 563
 564        /* reduce dma latency to avoid noise */
 565        if (IS_BXT(pci))
 566                bxt_reduce_dma_latency(chip);
 567}
 568
 569/* calculate runtime delay from LPIB */
 570static int azx_get_delay_from_lpib(struct azx *chip, struct azx_dev *azx_dev,
 571                                   unsigned int pos)
 572{
 573        struct snd_pcm_substream *substream = azx_dev->core.substream;
 574        int stream = substream->stream;
 575        unsigned int lpib_pos = azx_get_pos_lpib(chip, azx_dev);
 576        int delay;
 577
 578        if (stream == SNDRV_PCM_STREAM_PLAYBACK)
 579                delay = pos - lpib_pos;
 580        else
 581                delay = lpib_pos - pos;
 582        if (delay < 0) {
 583                if (delay >= azx_dev->core.delay_negative_threshold)
 584                        delay = 0;
 585                else
 586                        delay += azx_dev->core.bufsize;
 587        }
 588
 589        if (delay >= azx_dev->core.period_bytes) {
 590                dev_info(chip->card->dev,
 591                         "Unstable LPIB (%d >= %d); disabling LPIB delay counting\n",
 592                         delay, azx_dev->core.period_bytes);
 593                delay = 0;
 594                chip->driver_caps &= ~AZX_DCAPS_COUNT_LPIB_DELAY;
 595                chip->get_delay[stream] = NULL;
 596        }
 597
 598        return bytes_to_frames(substream->runtime, delay);
 599}
 600
 601static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev);
 602
 603/* called from IRQ */
 604static int azx_position_check(struct azx *chip, struct azx_dev *azx_dev)
 605{
 606        struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
 607        int ok;
 608
 609        ok = azx_position_ok(chip, azx_dev);
 610        if (ok == 1) {
 611                azx_dev->irq_pending = 0;
 612                return ok;
 613        } else if (ok == 0) {
 614                /* bogus IRQ, process it later */
 615                azx_dev->irq_pending = 1;
 616                schedule_work(&hda->irq_pending_work);
 617        }
 618        return 0;
 619}
 620
 621/* Enable/disable i915 display power for the link */
 622static int azx_intel_link_power(struct azx *chip, bool enable)
 623{
 624        struct hdac_bus *bus = azx_bus(chip);
 625
 626        return snd_hdac_display_power(bus, enable);
 627}
 628
 629/*
 630 * Check whether the current DMA position is acceptable for updating
 631 * periods.  Returns non-zero if it's OK.
 632 *
 633 * Many HD-audio controllers appear pretty inaccurate about
 634 * the update-IRQ timing.  The IRQ is issued before actually the
 635 * data is processed.  So, we need to process it afterwords in a
 636 * workqueue.
 637 */
 638static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev)
 639{
 640        struct snd_pcm_substream *substream = azx_dev->core.substream;
 641        int stream = substream->stream;
 642        u32 wallclk;
 643        unsigned int pos;
 644
 645        wallclk = azx_readl(chip, WALLCLK) - azx_dev->core.start_wallclk;
 646        if (wallclk < (azx_dev->core.period_wallclk * 2) / 3)
 647                return -1;      /* bogus (too early) interrupt */
 648
 649        if (chip->get_position[stream])
 650                pos = chip->get_position[stream](chip, azx_dev);
 651        else { /* use the position buffer as default */
 652                pos = azx_get_pos_posbuf(chip, azx_dev);
 653                if (!pos || pos == (u32)-1) {
 654                        dev_info(chip->card->dev,
 655                                 "Invalid position buffer, using LPIB read method instead.\n");
 656                        chip->get_position[stream] = azx_get_pos_lpib;
 657                        if (chip->get_position[0] == azx_get_pos_lpib &&
 658                            chip->get_position[1] == azx_get_pos_lpib)
 659                                azx_bus(chip)->use_posbuf = false;
 660                        pos = azx_get_pos_lpib(chip, azx_dev);
 661                        chip->get_delay[stream] = NULL;
 662                } else {
 663                        chip->get_position[stream] = azx_get_pos_posbuf;
 664                        if (chip->driver_caps & AZX_DCAPS_COUNT_LPIB_DELAY)
 665                                chip->get_delay[stream] = azx_get_delay_from_lpib;
 666                }
 667        }
 668
 669        if (pos >= azx_dev->core.bufsize)
 670                pos = 0;
 671
 672        if (WARN_ONCE(!azx_dev->core.period_bytes,
 673                      "hda-intel: zero azx_dev->period_bytes"))
 674                return -1; /* this shouldn't happen! */
 675        if (wallclk < (azx_dev->core.period_wallclk * 5) / 4 &&
 676            pos % azx_dev->core.period_bytes > azx_dev->core.period_bytes / 2)
 677                /* NG - it's below the first next period boundary */
 678                return chip->bdl_pos_adj ? 0 : -1;
 679        azx_dev->core.start_wallclk += wallclk;
 680        return 1; /* OK, it's fine */
 681}
 682
 683/*
 684 * The work for pending PCM period updates.
 685 */
 686static void azx_irq_pending_work(struct work_struct *work)
 687{
 688        struct hda_intel *hda = container_of(work, struct hda_intel, irq_pending_work);
 689        struct azx *chip = &hda->chip;
 690        struct hdac_bus *bus = azx_bus(chip);
 691        struct hdac_stream *s;
 692        int pending, ok;
 693
 694        if (!hda->irq_pending_warned) {
 695                dev_info(chip->card->dev,
 696                         "IRQ timing workaround is activated for card #%d. Suggest a bigger bdl_pos_adj.\n",
 697                         chip->card->number);
 698                hda->irq_pending_warned = 1;
 699        }
 700
 701        for (;;) {
 702                pending = 0;
 703                spin_lock_irq(&bus->reg_lock);
 704                list_for_each_entry(s, &bus->stream_list, list) {
 705                        struct azx_dev *azx_dev = stream_to_azx_dev(s);
 706                        if (!azx_dev->irq_pending ||
 707                            !s->substream ||
 708                            !s->running)
 709                                continue;
 710                        ok = azx_position_ok(chip, azx_dev);
 711                        if (ok > 0) {
 712                                azx_dev->irq_pending = 0;
 713                                spin_unlock(&bus->reg_lock);
 714                                snd_pcm_period_elapsed(s->substream);
 715                                spin_lock(&bus->reg_lock);
 716                        } else if (ok < 0) {
 717                                pending = 0;    /* too early */
 718                        } else
 719                                pending++;
 720                }
 721                spin_unlock_irq(&bus->reg_lock);
 722                if (!pending)
 723                        return;
 724                msleep(1);
 725        }
 726}
 727
 728/* clear irq_pending flags and assure no on-going workq */
 729static void azx_clear_irq_pending(struct azx *chip)
 730{
 731        struct hdac_bus *bus = azx_bus(chip);
 732        struct hdac_stream *s;
 733
 734        spin_lock_irq(&bus->reg_lock);
 735        list_for_each_entry(s, &bus->stream_list, list) {
 736                struct azx_dev *azx_dev = stream_to_azx_dev(s);
 737                azx_dev->irq_pending = 0;
 738        }
 739        spin_unlock_irq(&bus->reg_lock);
 740}
 741
 742static int azx_acquire_irq(struct azx *chip, int do_disconnect)
 743{
 744        struct hdac_bus *bus = azx_bus(chip);
 745
 746        if (request_irq(chip->pci->irq, azx_interrupt,
 747                        chip->msi ? 0 : IRQF_SHARED,
 748                        chip->card->irq_descr, chip)) {
 749                dev_err(chip->card->dev,
 750                        "unable to grab IRQ %d, disabling device\n",
 751                        chip->pci->irq);
 752                if (do_disconnect)
 753                        snd_card_disconnect(chip->card);
 754                return -1;
 755        }
 756        bus->irq = chip->pci->irq;
 757        pci_intx(chip->pci, !chip->msi);
 758        return 0;
 759}
 760
 761/* get the current DMA position with correction on VIA chips */
 762static unsigned int azx_via_get_position(struct azx *chip,
 763                                         struct azx_dev *azx_dev)
 764{
 765        unsigned int link_pos, mini_pos, bound_pos;
 766        unsigned int mod_link_pos, mod_dma_pos, mod_mini_pos;
 767        unsigned int fifo_size;
 768
 769        link_pos = snd_hdac_stream_get_pos_lpib(azx_stream(azx_dev));
 770        if (azx_dev->core.substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 771                /* Playback, no problem using link position */
 772                return link_pos;
 773        }
 774
 775        /* Capture */
 776        /* For new chipset,
 777         * use mod to get the DMA position just like old chipset
 778         */
 779        mod_dma_pos = le32_to_cpu(*azx_dev->core.posbuf);
 780        mod_dma_pos %= azx_dev->core.period_bytes;
 781
 782        /* azx_dev->fifo_size can't get FIFO size of in stream.
 783         * Get from base address + offset.
 784         */
 785        fifo_size = readw(azx_bus(chip)->remap_addr +
 786                          VIA_IN_STREAM0_FIFO_SIZE_OFFSET);
 787
 788        if (azx_dev->insufficient) {
 789                /* Link position never gather than FIFO size */
 790                if (link_pos <= fifo_size)
 791                        return 0;
 792
 793                azx_dev->insufficient = 0;
 794        }
 795
 796        if (link_pos <= fifo_size)
 797                mini_pos = azx_dev->core.bufsize + link_pos - fifo_size;
 798        else
 799                mini_pos = link_pos - fifo_size;
 800
 801        /* Find nearest previous boudary */
 802        mod_mini_pos = mini_pos % azx_dev->core.period_bytes;
 803        mod_link_pos = link_pos % azx_dev->core.period_bytes;
 804        if (mod_link_pos >= fifo_size)
 805                bound_pos = link_pos - mod_link_pos;
 806        else if (mod_dma_pos >= mod_mini_pos)
 807                bound_pos = mini_pos - mod_mini_pos;
 808        else {
 809                bound_pos = mini_pos - mod_mini_pos + azx_dev->core.period_bytes;
 810                if (bound_pos >= azx_dev->core.bufsize)
 811                        bound_pos = 0;
 812        }
 813
 814        /* Calculate real DMA position we want */
 815        return bound_pos + mod_dma_pos;
 816}
 817
 818#ifdef CONFIG_PM
 819static DEFINE_MUTEX(card_list_lock);
 820static LIST_HEAD(card_list);
 821
 822static void azx_add_card_list(struct azx *chip)
 823{
 824        struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
 825        mutex_lock(&card_list_lock);
 826        list_add(&hda->list, &card_list);
 827        mutex_unlock(&card_list_lock);
 828}
 829
 830static void azx_del_card_list(struct azx *chip)
 831{
 832        struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
 833        mutex_lock(&card_list_lock);
 834        list_del_init(&hda->list);
 835        mutex_unlock(&card_list_lock);
 836}
 837
 838/* trigger power-save check at writing parameter */
 839static int param_set_xint(const char *val, const struct kernel_param *kp)
 840{
 841        struct hda_intel *hda;
 842        struct azx *chip;
 843        int prev = power_save;
 844        int ret = param_set_int(val, kp);
 845
 846        if (ret || prev == power_save)
 847                return ret;
 848
 849        mutex_lock(&card_list_lock);
 850        list_for_each_entry(hda, &card_list, list) {
 851                chip = &hda->chip;
 852                if (!hda->probe_continued || chip->disabled)
 853                        continue;
 854                snd_hda_set_power_save(&chip->bus, power_save * 1000);
 855        }
 856        mutex_unlock(&card_list_lock);
 857        return 0;
 858}
 859#else
 860#define azx_add_card_list(chip) /* NOP */
 861#define azx_del_card_list(chip) /* NOP */
 862#endif /* CONFIG_PM */
 863
 864#if defined(CONFIG_PM_SLEEP) || defined(SUPPORT_VGA_SWITCHEROO)
 865/*
 866 * power management
 867 */
 868static int azx_suspend(struct device *dev)
 869{
 870        struct snd_card *card = dev_get_drvdata(dev);
 871        struct azx *chip;
 872        struct hda_intel *hda;
 873        struct hdac_bus *bus;
 874
 875        if (!card)
 876                return 0;
 877
 878        chip = card->private_data;
 879        hda = container_of(chip, struct hda_intel, chip);
 880        if (chip->disabled || hda->init_failed || !chip->running)
 881                return 0;
 882
 883        bus = azx_bus(chip);
 884        snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
 885        azx_clear_irq_pending(chip);
 886        azx_stop_chip(chip);
 887        azx_enter_link_reset(chip);
 888        if (bus->irq >= 0) {
 889                free_irq(bus->irq, chip);
 890                bus->irq = -1;
 891        }
 892
 893        if (chip->msi)
 894                pci_disable_msi(chip->pci);
 895        if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL
 896                && hda->need_i915_power)
 897                snd_hdac_display_power(bus, false);
 898
 899        trace_azx_suspend(chip);
 900        return 0;
 901}
 902
 903static int azx_resume(struct device *dev)
 904{
 905        struct pci_dev *pci = to_pci_dev(dev);
 906        struct snd_card *card = dev_get_drvdata(dev);
 907        struct azx *chip;
 908        struct hda_intel *hda;
 909        struct hdac_bus *bus;
 910
 911        if (!card)
 912                return 0;
 913
 914        chip = card->private_data;
 915        hda = container_of(chip, struct hda_intel, chip);
 916        bus = azx_bus(chip);
 917        if (chip->disabled || hda->init_failed || !chip->running)
 918                return 0;
 919
 920        if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) {
 921                snd_hdac_display_power(bus, true);
 922                if (hda->need_i915_power)
 923                        snd_hdac_i915_set_bclk(bus);
 924        }
 925
 926        if (chip->msi)
 927                if (pci_enable_msi(pci) < 0)
 928                        chip->msi = 0;
 929        if (azx_acquire_irq(chip, 1) < 0)
 930                return -EIO;
 931        azx_init_pci(chip);
 932
 933        hda_intel_init_chip(chip, true);
 934
 935        /* power down again for link-controlled chips */
 936        if ((chip->driver_caps & AZX_DCAPS_I915_POWERWELL) &&
 937            !hda->need_i915_power)
 938                snd_hdac_display_power(bus, false);
 939
 940        snd_power_change_state(card, SNDRV_CTL_POWER_D0);
 941
 942        trace_azx_resume(chip);
 943        return 0;
 944}
 945#endif /* CONFIG_PM_SLEEP || SUPPORT_VGA_SWITCHEROO */
 946
 947#ifdef CONFIG_PM_SLEEP
 948/* put codec down to D3 at hibernation for Intel SKL+;
 949 * otherwise BIOS may still access the codec and screw up the driver
 950 */
 951static int azx_freeze_noirq(struct device *dev)
 952{
 953        struct pci_dev *pci = to_pci_dev(dev);
 954
 955        if (IS_SKL_PLUS(pci))
 956                pci_set_power_state(pci, PCI_D3hot);
 957
 958        return 0;
 959}
 960
 961static int azx_thaw_noirq(struct device *dev)
 962{
 963        struct pci_dev *pci = to_pci_dev(dev);
 964
 965        if (IS_SKL_PLUS(pci))
 966                pci_set_power_state(pci, PCI_D0);
 967
 968        return 0;
 969}
 970#endif /* CONFIG_PM_SLEEP */
 971
 972#ifdef CONFIG_PM
 973static int azx_runtime_suspend(struct device *dev)
 974{
 975        struct snd_card *card = dev_get_drvdata(dev);
 976        struct azx *chip;
 977        struct hda_intel *hda;
 978
 979        if (!card)
 980                return 0;
 981
 982        chip = card->private_data;
 983        hda = container_of(chip, struct hda_intel, chip);
 984        if (chip->disabled || hda->init_failed)
 985                return 0;
 986
 987        if (!azx_has_pm_runtime(chip))
 988                return 0;
 989
 990        /* enable controller wake up event */
 991        azx_writew(chip, WAKEEN, azx_readw(chip, WAKEEN) |
 992                  STATESTS_INT_MASK);
 993
 994        azx_stop_chip(chip);
 995        azx_enter_link_reset(chip);
 996        azx_clear_irq_pending(chip);
 997        if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL
 998                && hda->need_i915_power)
 999                snd_hdac_display_power(azx_bus(chip), false);
1000
1001        trace_azx_runtime_suspend(chip);
1002        return 0;
1003}
1004
1005static int azx_runtime_resume(struct device *dev)
1006{
1007        struct snd_card *card = dev_get_drvdata(dev);
1008        struct azx *chip;
1009        struct hda_intel *hda;
1010        struct hdac_bus *bus;
1011        struct hda_codec *codec;
1012        int status;
1013
1014        if (!card)
1015                return 0;
1016
1017        chip = card->private_data;
1018        hda = container_of(chip, struct hda_intel, chip);
1019        bus = azx_bus(chip);
1020        if (chip->disabled || hda->init_failed)
1021                return 0;
1022
1023        if (!azx_has_pm_runtime(chip))
1024                return 0;
1025
1026        if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) {
1027                snd_hdac_display_power(bus, true);
1028                if (hda->need_i915_power)
1029                        snd_hdac_i915_set_bclk(bus);
1030        }
1031
1032        /* Read STATESTS before controller reset */
1033        status = azx_readw(chip, STATESTS);
1034
1035        azx_init_pci(chip);
1036        hda_intel_init_chip(chip, true);
1037
1038        if (status) {
1039                list_for_each_codec(codec, &chip->bus)
1040                        if (status & (1 << codec->addr))
1041                                schedule_delayed_work(&codec->jackpoll_work,
1042                                                      codec->jackpoll_interval);
1043        }
1044
1045        /* disable controller Wake Up event*/
1046        azx_writew(chip, WAKEEN, azx_readw(chip, WAKEEN) &
1047                        ~STATESTS_INT_MASK);
1048
1049        /* power down again for link-controlled chips */
1050        if ((chip->driver_caps & AZX_DCAPS_I915_POWERWELL) &&
1051            !hda->need_i915_power)
1052                snd_hdac_display_power(bus, false);
1053
1054        trace_azx_runtime_resume(chip);
1055        return 0;
1056}
1057
1058static int azx_runtime_idle(struct device *dev)
1059{
1060        struct snd_card *card = dev_get_drvdata(dev);
1061        struct azx *chip;
1062        struct hda_intel *hda;
1063
1064        if (!card)
1065                return 0;
1066
1067        chip = card->private_data;
1068        hda = container_of(chip, struct hda_intel, chip);
1069        if (chip->disabled || hda->init_failed)
1070                return 0;
1071
1072        if (!power_save_controller || !azx_has_pm_runtime(chip) ||
1073            azx_bus(chip)->codec_powered || !chip->running)
1074                return -EBUSY;
1075
1076        return 0;
1077}
1078
1079static const struct dev_pm_ops azx_pm = {
1080        SET_SYSTEM_SLEEP_PM_OPS(azx_suspend, azx_resume)
1081#ifdef CONFIG_PM_SLEEP
1082        .freeze_noirq = azx_freeze_noirq,
1083        .thaw_noirq = azx_thaw_noirq,
1084#endif
1085        SET_RUNTIME_PM_OPS(azx_runtime_suspend, azx_runtime_resume, azx_runtime_idle)
1086};
1087
1088#define AZX_PM_OPS      &azx_pm
1089#else
1090#define AZX_PM_OPS      NULL
1091#endif /* CONFIG_PM */
1092
1093
1094static int azx_probe_continue(struct azx *chip);
1095
1096#ifdef SUPPORT_VGA_SWITCHEROO
1097static struct pci_dev *get_bound_vga(struct pci_dev *pci);
1098
1099static void azx_vs_set_state(struct pci_dev *pci,
1100                             enum vga_switcheroo_state state)
1101{
1102        struct snd_card *card = pci_get_drvdata(pci);
1103        struct azx *chip = card->private_data;
1104        struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1105        bool disabled;
1106
1107        wait_for_completion(&hda->probe_wait);
1108        if (hda->init_failed)
1109                return;
1110
1111        disabled = (state == VGA_SWITCHEROO_OFF);
1112        if (chip->disabled == disabled)
1113                return;
1114
1115        if (!hda->probe_continued) {
1116                chip->disabled = disabled;
1117                if (!disabled) {
1118                        dev_info(chip->card->dev,
1119                                 "Start delayed initialization\n");
1120                        if (azx_probe_continue(chip) < 0) {
1121                                dev_err(chip->card->dev, "initialization error\n");
1122                                hda->init_failed = true;
1123                        }
1124                }
1125        } else {
1126                dev_info(chip->card->dev, "%s via vga_switcheroo\n",
1127                         disabled ? "Disabling" : "Enabling");
1128                if (disabled) {
1129                        pm_runtime_put_sync_suspend(card->dev);
1130                        azx_suspend(card->dev);
1131                        /* when we get suspended by vga_switcheroo we end up in D3cold,
1132                         * however we have no ACPI handle, so pci/acpi can't put us there,
1133                         * put ourselves there */
1134                        pci->current_state = PCI_D3cold;
1135                        chip->disabled = true;
1136                        if (snd_hda_lock_devices(&chip->bus))
1137                                dev_warn(chip->card->dev,
1138                                         "Cannot lock devices!\n");
1139                } else {
1140                        snd_hda_unlock_devices(&chip->bus);
1141                        pm_runtime_get_noresume(card->dev);
1142                        chip->disabled = false;
1143                        azx_resume(card->dev);
1144                }
1145        }
1146}
1147
1148static bool azx_vs_can_switch(struct pci_dev *pci)
1149{
1150        struct snd_card *card = pci_get_drvdata(pci);
1151        struct azx *chip = card->private_data;
1152        struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1153
1154        wait_for_completion(&hda->probe_wait);
1155        if (hda->init_failed)
1156                return false;
1157        if (chip->disabled || !hda->probe_continued)
1158                return true;
1159        if (snd_hda_lock_devices(&chip->bus))
1160                return false;
1161        snd_hda_unlock_devices(&chip->bus);
1162        return true;
1163}
1164
1165static void init_vga_switcheroo(struct azx *chip)
1166{
1167        struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1168        struct pci_dev *p = get_bound_vga(chip->pci);
1169        if (p) {
1170                dev_info(chip->card->dev,
1171                         "Handle vga_switcheroo audio client\n");
1172                hda->use_vga_switcheroo = 1;
1173                pci_dev_put(p);
1174        }
1175}
1176
1177static const struct vga_switcheroo_client_ops azx_vs_ops = {
1178        .set_gpu_state = azx_vs_set_state,
1179        .can_switch = azx_vs_can_switch,
1180};
1181
1182static int register_vga_switcheroo(struct azx *chip)
1183{
1184        struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1185        int err;
1186
1187        if (!hda->use_vga_switcheroo)
1188                return 0;
1189        /* FIXME: currently only handling DIS controller
1190         * is there any machine with two switchable HDMI audio controllers?
1191         */
1192        err = vga_switcheroo_register_audio_client(chip->pci, &azx_vs_ops,
1193                                                   VGA_SWITCHEROO_DIS);
1194        if (err < 0)
1195                return err;
1196        hda->vga_switcheroo_registered = 1;
1197
1198        /* register as an optimus hdmi audio power domain */
1199        vga_switcheroo_init_domain_pm_optimus_hdmi_audio(chip->card->dev,
1200                                                         &hda->hdmi_pm_domain);
1201        return 0;
1202}
1203#else
1204#define init_vga_switcheroo(chip)               /* NOP */
1205#define register_vga_switcheroo(chip)           0
1206#define check_hdmi_disabled(pci)        false
1207#endif /* SUPPORT_VGA_SWITCHER */
1208
1209/*
1210 * destructor
1211 */
1212static int azx_free(struct azx *chip)
1213{
1214        struct pci_dev *pci = chip->pci;
1215        struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1216        struct hdac_bus *bus = azx_bus(chip);
1217
1218        if (azx_has_pm_runtime(chip) && chip->running)
1219                pm_runtime_get_noresume(&pci->dev);
1220
1221        azx_del_card_list(chip);
1222
1223        hda->init_failed = 1; /* to be sure */
1224        complete_all(&hda->probe_wait);
1225
1226        if (use_vga_switcheroo(hda)) {
1227                if (chip->disabled && hda->probe_continued)
1228                        snd_hda_unlock_devices(&chip->bus);
1229                if (hda->vga_switcheroo_registered) {
1230                        vga_switcheroo_unregister_client(chip->pci);
1231                        vga_switcheroo_fini_domain_pm_ops(chip->card->dev);
1232                }
1233        }
1234
1235        if (bus->chip_init) {
1236                azx_clear_irq_pending(chip);
1237                azx_stop_all_streams(chip);
1238                azx_stop_chip(chip);
1239        }
1240
1241        if (bus->irq >= 0)
1242                free_irq(bus->irq, (void*)chip);
1243        if (chip->msi)
1244                pci_disable_msi(chip->pci);
1245        iounmap(bus->remap_addr);
1246
1247        azx_free_stream_pages(chip);
1248        azx_free_streams(chip);
1249        snd_hdac_bus_exit(bus);
1250
1251        if (chip->region_requested)
1252                pci_release_regions(chip->pci);
1253
1254        pci_disable_device(chip->pci);
1255#ifdef CONFIG_SND_HDA_PATCH_LOADER
1256        release_firmware(chip->fw);
1257#endif
1258
1259        if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) {
1260                if (hda->need_i915_power)
1261                        snd_hdac_display_power(bus, false);
1262                snd_hdac_i915_exit(bus);
1263        }
1264        kfree(hda);
1265
1266        return 0;
1267}
1268
1269static int azx_dev_disconnect(struct snd_device *device)
1270{
1271        struct azx *chip = device->device_data;
1272
1273        chip->bus.shutdown = 1;
1274        return 0;
1275}
1276
1277static int azx_dev_free(struct snd_device *device)
1278{
1279        return azx_free(device->device_data);
1280}
1281
1282#ifdef SUPPORT_VGA_SWITCHEROO
1283/*
1284 * Check of disabled HDMI controller by vga_switcheroo
1285 */
1286static struct pci_dev *get_bound_vga(struct pci_dev *pci)
1287{
1288        struct pci_dev *p;
1289
1290        /* check only discrete GPU */
1291        switch (pci->vendor) {
1292        case PCI_VENDOR_ID_ATI:
1293        case PCI_VENDOR_ID_AMD:
1294        case PCI_VENDOR_ID_NVIDIA:
1295                if (pci->devfn == 1) {
1296                        p = pci_get_domain_bus_and_slot(pci_domain_nr(pci->bus),
1297                                                        pci->bus->number, 0);
1298                        if (p) {
1299                                if ((p->class >> 8) == PCI_CLASS_DISPLAY_VGA)
1300                                        return p;
1301                                pci_dev_put(p);
1302                        }
1303                }
1304                break;
1305        }
1306        return NULL;
1307}
1308
1309static bool check_hdmi_disabled(struct pci_dev *pci)
1310{
1311        bool vga_inactive = false;
1312        struct pci_dev *p = get_bound_vga(pci);
1313
1314        if (p) {
1315                if (vga_switcheroo_get_client_state(p) == VGA_SWITCHEROO_OFF)
1316                        vga_inactive = true;
1317                pci_dev_put(p);
1318        }
1319        return vga_inactive;
1320}
1321#endif /* SUPPORT_VGA_SWITCHEROO */
1322
1323/*
1324 * white/black-listing for position_fix
1325 */
1326static struct snd_pci_quirk position_fix_list[] = {
1327        SND_PCI_QUIRK(0x1028, 0x01cc, "Dell D820", POS_FIX_LPIB),
1328        SND_PCI_QUIRK(0x1028, 0x01de, "Dell Precision 390", POS_FIX_LPIB),
1329        SND_PCI_QUIRK(0x103c, 0x306d, "HP dv3", POS_FIX_LPIB),
1330        SND_PCI_QUIRK(0x1043, 0x813d, "ASUS P5AD2", POS_FIX_LPIB),
1331        SND_PCI_QUIRK(0x1043, 0x81b3, "ASUS", POS_FIX_LPIB),
1332        SND_PCI_QUIRK(0x1043, 0x81e7, "ASUS M2V", POS_FIX_LPIB),
1333        SND_PCI_QUIRK(0x104d, 0x9069, "Sony VPCS11V9E", POS_FIX_LPIB),
1334        SND_PCI_QUIRK(0x10de, 0xcb89, "Macbook Pro 7,1", POS_FIX_LPIB),
1335        SND_PCI_QUIRK(0x1297, 0x3166, "Shuttle", POS_FIX_LPIB),
1336        SND_PCI_QUIRK(0x1458, 0xa022, "ga-ma770-ud3", POS_FIX_LPIB),
1337        SND_PCI_QUIRK(0x1462, 0x1002, "MSI Wind U115", POS_FIX_LPIB),
1338        SND_PCI_QUIRK(0x1565, 0x8218, "Biostar Microtech", POS_FIX_LPIB),
1339        SND_PCI_QUIRK(0x1849, 0x0888, "775Dual-VSTA", POS_FIX_LPIB),
1340        SND_PCI_QUIRK(0x8086, 0x2503, "DG965OT AAD63733-203", POS_FIX_LPIB),
1341        {}
1342};
1343
1344static int check_position_fix(struct azx *chip, int fix)
1345{
1346        const struct snd_pci_quirk *q;
1347
1348        switch (fix) {
1349        case POS_FIX_AUTO:
1350        case POS_FIX_LPIB:
1351        case POS_FIX_POSBUF:
1352        case POS_FIX_VIACOMBO:
1353        case POS_FIX_COMBO:
1354                return fix;
1355        }
1356
1357        q = snd_pci_quirk_lookup(chip->pci, position_fix_list);
1358        if (q) {
1359                dev_info(chip->card->dev,
1360                         "position_fix set to %d for device %04x:%04x\n",
1361                         q->value, q->subvendor, q->subdevice);
1362                return q->value;
1363        }
1364
1365        /* Check VIA/ATI HD Audio Controller exist */
1366        if (chip->driver_type == AZX_DRIVER_VIA) {
1367                dev_dbg(chip->card->dev, "Using VIACOMBO position fix\n");
1368                return POS_FIX_VIACOMBO;
1369        }
1370        if (chip->driver_caps & AZX_DCAPS_POSFIX_LPIB) {
1371                dev_dbg(chip->card->dev, "Using LPIB position fix\n");
1372                return POS_FIX_LPIB;
1373        }
1374        return POS_FIX_AUTO;
1375}
1376
1377static void assign_position_fix(struct azx *chip, int fix)
1378{
1379        static azx_get_pos_callback_t callbacks[] = {
1380                [POS_FIX_AUTO] = NULL,
1381                [POS_FIX_LPIB] = azx_get_pos_lpib,
1382                [POS_FIX_POSBUF] = azx_get_pos_posbuf,
1383                [POS_FIX_VIACOMBO] = azx_via_get_position,
1384                [POS_FIX_COMBO] = azx_get_pos_lpib,
1385        };
1386
1387        chip->get_position[0] = chip->get_position[1] = callbacks[fix];
1388
1389        /* combo mode uses LPIB only for playback */
1390        if (fix == POS_FIX_COMBO)
1391                chip->get_position[1] = NULL;
1392
1393        if (fix == POS_FIX_POSBUF &&
1394            (chip->driver_caps & AZX_DCAPS_COUNT_LPIB_DELAY)) {
1395                chip->get_delay[0] = chip->get_delay[1] =
1396                        azx_get_delay_from_lpib;
1397        }
1398
1399}
1400
1401/*
1402 * black-lists for probe_mask
1403 */
1404static struct snd_pci_quirk probe_mask_list[] = {
1405        /* Thinkpad often breaks the controller communication when accessing
1406         * to the non-working (or non-existing) modem codec slot.
1407         */
1408        SND_PCI_QUIRK(0x1014, 0x05b7, "Thinkpad Z60", 0x01),
1409        SND_PCI_QUIRK(0x17aa, 0x2010, "Thinkpad X/T/R60", 0x01),
1410        SND_PCI_QUIRK(0x17aa, 0x20ac, "Thinkpad X/T/R61", 0x01),
1411        /* broken BIOS */
1412        SND_PCI_QUIRK(0x1028, 0x20ac, "Dell Studio Desktop", 0x01),
1413        /* including bogus ALC268 in slot#2 that conflicts with ALC888 */
1414        SND_PCI_QUIRK(0x17c0, 0x4085, "Medion MD96630", 0x01),
1415        /* forced codec slots */
1416        SND_PCI_QUIRK(0x1043, 0x1262, "ASUS W5Fm", 0x103),
1417        SND_PCI_QUIRK(0x1046, 0x1262, "ASUS W5F", 0x103),
1418        /* WinFast VP200 H (Teradici) user reported broken communication */
1419        SND_PCI_QUIRK(0x3a21, 0x040d, "WinFast VP200 H", 0x101),
1420        {}
1421};
1422
1423#define AZX_FORCE_CODEC_MASK    0x100
1424
1425static void check_probe_mask(struct azx *chip, int dev)
1426{
1427        const struct snd_pci_quirk *q;
1428
1429        chip->codec_probe_mask = probe_mask[dev];
1430        if (chip->codec_probe_mask == -1) {
1431                q = snd_pci_quirk_lookup(chip->pci, probe_mask_list);
1432                if (q) {
1433                        dev_info(chip->card->dev,
1434                                 "probe_mask set to 0x%x for device %04x:%04x\n",
1435                                 q->value, q->subvendor, q->subdevice);
1436                        chip->codec_probe_mask = q->value;
1437                }
1438        }
1439
1440        /* check forced option */
1441        if (chip->codec_probe_mask != -1 &&
1442            (chip->codec_probe_mask & AZX_FORCE_CODEC_MASK)) {
1443                azx_bus(chip)->codec_mask = chip->codec_probe_mask & 0xff;
1444                dev_info(chip->card->dev, "codec_mask forced to 0x%x\n",
1445                         (int)azx_bus(chip)->codec_mask);
1446        }
1447}
1448
1449/*
1450 * white/black-list for enable_msi
1451 */
1452static struct snd_pci_quirk msi_black_list[] = {
1453        SND_PCI_QUIRK(0x103c, 0x2191, "HP", 0), /* AMD Hudson */
1454        SND_PCI_QUIRK(0x103c, 0x2192, "HP", 0), /* AMD Hudson */
1455        SND_PCI_QUIRK(0x103c, 0x21f7, "HP", 0), /* AMD Hudson */
1456        SND_PCI_QUIRK(0x103c, 0x21fa, "HP", 0), /* AMD Hudson */
1457        SND_PCI_QUIRK(0x1043, 0x81f2, "ASUS", 0), /* Athlon64 X2 + nvidia */
1458        SND_PCI_QUIRK(0x1043, 0x81f6, "ASUS", 0), /* nvidia */
1459        SND_PCI_QUIRK(0x1043, 0x822d, "ASUS", 0), /* Athlon64 X2 + nvidia MCP55 */
1460        SND_PCI_QUIRK(0x1179, 0xfb44, "Toshiba Satellite C870", 0), /* AMD Hudson */
1461        SND_PCI_QUIRK(0x1849, 0x0888, "ASRock", 0), /* Athlon64 X2 + nvidia */
1462        SND_PCI_QUIRK(0xa0a0, 0x0575, "Aopen MZ915-M", 0), /* ICH6 */
1463        {}
1464};
1465
1466static void check_msi(struct azx *chip)
1467{
1468        const struct snd_pci_quirk *q;
1469
1470        if (enable_msi >= 0) {
1471                chip->msi = !!enable_msi;
1472                return;
1473        }
1474        chip->msi = 1;  /* enable MSI as default */
1475        q = snd_pci_quirk_lookup(chip->pci, msi_black_list);
1476        if (q) {
1477                dev_info(chip->card->dev,
1478                         "msi for device %04x:%04x set to %d\n",
1479                         q->subvendor, q->subdevice, q->value);
1480                chip->msi = q->value;
1481                return;
1482        }
1483
1484        /* NVidia chipsets seem to cause troubles with MSI */
1485        if (chip->driver_caps & AZX_DCAPS_NO_MSI) {
1486                dev_info(chip->card->dev, "Disabling MSI\n");
1487                chip->msi = 0;
1488        }
1489}
1490
1491/* check the snoop mode availability */
1492static void azx_check_snoop_available(struct azx *chip)
1493{
1494        int snoop = hda_snoop;
1495
1496        if (snoop >= 0) {
1497                dev_info(chip->card->dev, "Force to %s mode by module option\n",
1498                         snoop ? "snoop" : "non-snoop");
1499                chip->snoop = snoop;
1500                return;
1501        }
1502
1503        snoop = true;
1504        if (azx_get_snoop_type(chip) == AZX_SNOOP_TYPE_NONE &&
1505            chip->driver_type == AZX_DRIVER_VIA) {
1506                /* force to non-snoop mode for a new VIA controller
1507                 * when BIOS is set
1508                 */
1509                u8 val;
1510                pci_read_config_byte(chip->pci, 0x42, &val);
1511                if (!(val & 0x80) && chip->pci->revision == 0x30)
1512                        snoop = false;
1513        }
1514
1515        if (chip->driver_caps & AZX_DCAPS_SNOOP_OFF)
1516                snoop = false;
1517
1518        chip->snoop = snoop;
1519        if (!snoop)
1520                dev_info(chip->card->dev, "Force to non-snoop mode\n");
1521}
1522
1523static void azx_probe_work(struct work_struct *work)
1524{
1525        struct hda_intel *hda = container_of(work, struct hda_intel, probe_work);
1526        azx_probe_continue(&hda->chip);
1527}
1528
1529static int default_bdl_pos_adj(struct azx *chip)
1530{
1531        /* some exceptions: Atoms seem problematic with value 1 */
1532        if (chip->pci->vendor == PCI_VENDOR_ID_INTEL) {
1533                switch (chip->pci->device) {
1534                case 0x0f04: /* Baytrail */
1535                case 0x2284: /* Braswell */
1536                        return 32;
1537                }
1538        }
1539
1540        switch (chip->driver_type) {
1541        case AZX_DRIVER_ICH:
1542        case AZX_DRIVER_PCH:
1543                return 1;
1544        default:
1545                return 32;
1546        }
1547}
1548
1549/*
1550 * constructor
1551 */
1552static const struct hdac_io_ops pci_hda_io_ops;
1553static const struct hda_controller_ops pci_hda_ops;
1554
1555static int azx_create(struct snd_card *card, struct pci_dev *pci,
1556                      int dev, unsigned int driver_caps,
1557                      struct azx **rchip)
1558{
1559        static struct snd_device_ops ops = {
1560                .dev_disconnect = azx_dev_disconnect,
1561                .dev_free = azx_dev_free,
1562        };
1563        struct hda_intel *hda;
1564        struct azx *chip;
1565        int err;
1566
1567        *rchip = NULL;
1568
1569        err = pci_enable_device(pci);
1570        if (err < 0)
1571                return err;
1572
1573        hda = kzalloc(sizeof(*hda), GFP_KERNEL);
1574        if (!hda) {
1575                pci_disable_device(pci);
1576                return -ENOMEM;
1577        }
1578
1579        chip = &hda->chip;
1580        mutex_init(&chip->open_mutex);
1581        chip->card = card;
1582        chip->pci = pci;
1583        chip->ops = &pci_hda_ops;
1584        chip->driver_caps = driver_caps;
1585        chip->driver_type = driver_caps & 0xff;
1586        check_msi(chip);
1587        chip->dev_index = dev;
1588        chip->jackpoll_ms = jackpoll_ms;
1589        INIT_LIST_HEAD(&chip->pcm_list);
1590        INIT_WORK(&hda->irq_pending_work, azx_irq_pending_work);
1591        INIT_LIST_HEAD(&hda->list);
1592        init_vga_switcheroo(chip);
1593        init_completion(&hda->probe_wait);
1594
1595        assign_position_fix(chip, check_position_fix(chip, position_fix[dev]));
1596
1597        check_probe_mask(chip, dev);
1598
1599        chip->single_cmd = single_cmd;
1600        azx_check_snoop_available(chip);
1601
1602        if (bdl_pos_adj[dev] < 0)
1603                chip->bdl_pos_adj = default_bdl_pos_adj(chip);
1604        else
1605                chip->bdl_pos_adj = bdl_pos_adj[dev];
1606
1607        err = azx_bus_init(chip, model[dev], &pci_hda_io_ops);
1608        if (err < 0) {
1609                kfree(hda);
1610                pci_disable_device(pci);
1611                return err;
1612        }
1613
1614        if (chip->driver_type == AZX_DRIVER_NVIDIA) {
1615                dev_dbg(chip->card->dev, "Enable delay in RIRB handling\n");
1616                chip->bus.needs_damn_long_delay = 1;
1617        }
1618
1619        err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
1620        if (err < 0) {
1621                dev_err(card->dev, "Error creating device [card]!\n");
1622                azx_free(chip);
1623                return err;
1624        }
1625
1626        /* continue probing in work context as may trigger request module */
1627        INIT_WORK(&hda->probe_work, azx_probe_work);
1628
1629        *rchip = chip;
1630
1631        return 0;
1632}
1633
1634static int azx_first_init(struct azx *chip)
1635{
1636        int dev = chip->dev_index;
1637        struct pci_dev *pci = chip->pci;
1638        struct snd_card *card = chip->card;
1639        struct hdac_bus *bus = azx_bus(chip);
1640        int err;
1641        unsigned short gcap;
1642        unsigned int dma_bits = 64;
1643
1644#if BITS_PER_LONG != 64
1645        /* Fix up base address on ULI M5461 */
1646        if (chip->driver_type == AZX_DRIVER_ULI) {
1647                u16 tmp3;
1648                pci_read_config_word(pci, 0x40, &tmp3);
1649                pci_write_config_word(pci, 0x40, tmp3 | 0x10);
1650                pci_write_config_dword(pci, PCI_BASE_ADDRESS_1, 0);
1651        }
1652#endif
1653
1654        err = pci_request_regions(pci, "ICH HD audio");
1655        if (err < 0)
1656                return err;
1657        chip->region_requested = 1;
1658
1659        bus->addr = pci_resource_start(pci, 0);
1660        bus->remap_addr = pci_ioremap_bar(pci, 0);
1661        if (bus->remap_addr == NULL) {
1662                dev_err(card->dev, "ioremap error\n");
1663                return -ENXIO;
1664        }
1665
1666        if (chip->msi) {
1667                if (chip->driver_caps & AZX_DCAPS_NO_MSI64) {
1668                        dev_dbg(card->dev, "Disabling 64bit MSI\n");
1669                        pci->no_64bit_msi = true;
1670                }
1671                if (pci_enable_msi(pci) < 0)
1672                        chip->msi = 0;
1673        }
1674
1675        if (azx_acquire_irq(chip, 0) < 0)
1676                return -EBUSY;
1677
1678        pci_set_master(pci);
1679        synchronize_irq(bus->irq);
1680
1681        gcap = azx_readw(chip, GCAP);
1682        dev_dbg(card->dev, "chipset global capabilities = 0x%x\n", gcap);
1683
1684        /* AMD devices support 40 or 48bit DMA, take the safe one */
1685        if (chip->pci->vendor == PCI_VENDOR_ID_AMD)
1686                dma_bits = 40;
1687
1688        /* disable SB600 64bit support for safety */
1689        if (chip->pci->vendor == PCI_VENDOR_ID_ATI) {
1690                struct pci_dev *p_smbus;
1691                dma_bits = 40;
1692                p_smbus = pci_get_device(PCI_VENDOR_ID_ATI,
1693                                         PCI_DEVICE_ID_ATI_SBX00_SMBUS,
1694                                         NULL);
1695                if (p_smbus) {
1696                        if (p_smbus->revision < 0x30)
1697                                gcap &= ~AZX_GCAP_64OK;
1698                        pci_dev_put(p_smbus);
1699                }
1700        }
1701
1702        /* disable 64bit DMA address on some devices */
1703        if (chip->driver_caps & AZX_DCAPS_NO_64BIT) {
1704                dev_dbg(card->dev, "Disabling 64bit DMA\n");
1705                gcap &= ~AZX_GCAP_64OK;
1706        }
1707
1708        /* disable buffer size rounding to 128-byte multiples if supported */
1709        if (align_buffer_size >= 0)
1710                chip->align_buffer_size = !!align_buffer_size;
1711        else {
1712                if (chip->driver_caps & AZX_DCAPS_NO_ALIGN_BUFSIZE)
1713                        chip->align_buffer_size = 0;
1714                else
1715                        chip->align_buffer_size = 1;
1716        }
1717
1718        /* allow 64bit DMA address if supported by H/W */
1719        if (!(gcap & AZX_GCAP_64OK))
1720                dma_bits = 32;
1721        if (!dma_set_mask(&pci->dev, DMA_BIT_MASK(dma_bits))) {
1722                dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(dma_bits));
1723        } else {
1724                dma_set_mask(&pci->dev, DMA_BIT_MASK(32));
1725                dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(32));
1726        }
1727
1728        /* read number of streams from GCAP register instead of using
1729         * hardcoded value
1730         */
1731        chip->capture_streams = (gcap >> 8) & 0x0f;
1732        chip->playback_streams = (gcap >> 12) & 0x0f;
1733        if (!chip->playback_streams && !chip->capture_streams) {
1734                /* gcap didn't give any info, switching to old method */
1735
1736                switch (chip->driver_type) {
1737                case AZX_DRIVER_ULI:
1738                        chip->playback_streams = ULI_NUM_PLAYBACK;
1739                        chip->capture_streams = ULI_NUM_CAPTURE;
1740                        break;
1741                case AZX_DRIVER_ATIHDMI:
1742                case AZX_DRIVER_ATIHDMI_NS:
1743                        chip->playback_streams = ATIHDMI_NUM_PLAYBACK;
1744                        chip->capture_streams = ATIHDMI_NUM_CAPTURE;
1745                        break;
1746                case AZX_DRIVER_GENERIC:
1747                default:
1748                        chip->playback_streams = ICH6_NUM_PLAYBACK;
1749                        chip->capture_streams = ICH6_NUM_CAPTURE;
1750                        break;
1751                }
1752        }
1753        chip->capture_index_offset = 0;
1754        chip->playback_index_offset = chip->capture_streams;
1755        chip->num_streams = chip->playback_streams + chip->capture_streams;
1756
1757        /* initialize streams */
1758        err = azx_init_streams(chip);
1759        if (err < 0)
1760                return err;
1761
1762        err = azx_alloc_stream_pages(chip);
1763        if (err < 0)
1764                return err;
1765
1766        /* initialize chip */
1767        azx_init_pci(chip);
1768
1769        if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL)
1770                snd_hdac_i915_set_bclk(bus);
1771
1772        hda_intel_init_chip(chip, (probe_only[dev] & 2) == 0);
1773
1774        /* codec detection */
1775        if (!azx_bus(chip)->codec_mask) {
1776                dev_err(card->dev, "no codecs found!\n");
1777                return -ENODEV;
1778        }
1779
1780        strcpy(card->driver, "HDA-Intel");
1781        strlcpy(card->shortname, driver_short_names[chip->driver_type],
1782                sizeof(card->shortname));
1783        snprintf(card->longname, sizeof(card->longname),
1784                 "%s at 0x%lx irq %i",
1785                 card->shortname, bus->addr, bus->irq);
1786
1787        return 0;
1788}
1789
1790#ifdef CONFIG_SND_HDA_PATCH_LOADER
1791/* callback from request_firmware_nowait() */
1792static void azx_firmware_cb(const struct firmware *fw, void *context)
1793{
1794        struct snd_card *card = context;
1795        struct azx *chip = card->private_data;
1796        struct pci_dev *pci = chip->pci;
1797
1798        if (!fw) {
1799                dev_err(card->dev, "Cannot load firmware, aborting\n");
1800                goto error;
1801        }
1802
1803        chip->fw = fw;
1804        if (!chip->disabled) {
1805                /* continue probing */
1806                if (azx_probe_continue(chip))
1807                        goto error;
1808        }
1809        return; /* OK */
1810
1811 error:
1812        snd_card_free(card);
1813        pci_set_drvdata(pci, NULL);
1814}
1815#endif
1816
1817/*
1818 * HDA controller ops.
1819 */
1820
1821/* PCI register access. */
1822static void pci_azx_writel(u32 value, u32 __iomem *addr)
1823{
1824        writel(value, addr);
1825}
1826
1827static u32 pci_azx_readl(u32 __iomem *addr)
1828{
1829        return readl(addr);
1830}
1831
1832static void pci_azx_writew(u16 value, u16 __iomem *addr)
1833{
1834        writew(value, addr);
1835}
1836
1837static u16 pci_azx_readw(u16 __iomem *addr)
1838{
1839        return readw(addr);
1840}
1841
1842static void pci_azx_writeb(u8 value, u8 __iomem *addr)
1843{
1844        writeb(value, addr);
1845}
1846
1847static u8 pci_azx_readb(u8 __iomem *addr)
1848{
1849        return readb(addr);
1850}
1851
1852static int disable_msi_reset_irq(struct azx *chip)
1853{
1854        struct hdac_bus *bus = azx_bus(chip);
1855        int err;
1856
1857        free_irq(bus->irq, chip);
1858        bus->irq = -1;
1859        pci_disable_msi(chip->pci);
1860        chip->msi = 0;
1861        err = azx_acquire_irq(chip, 1);
1862        if (err < 0)
1863                return err;
1864
1865        return 0;
1866}
1867
1868/* DMA page allocation helpers.  */
1869static int dma_alloc_pages(struct hdac_bus *bus,
1870                           int type,
1871                           size_t size,
1872                           struct snd_dma_buffer *buf)
1873{
1874        struct azx *chip = bus_to_azx(bus);
1875        int err;
1876
1877        err = snd_dma_alloc_pages(type,
1878                                  bus->dev,
1879                                  size, buf);
1880        if (err < 0)
1881                return err;
1882        mark_pages_wc(chip, buf, true);
1883        return 0;
1884}
1885
1886static void dma_free_pages(struct hdac_bus *bus, struct snd_dma_buffer *buf)
1887{
1888        struct azx *chip = bus_to_azx(bus);
1889
1890        mark_pages_wc(chip, buf, false);
1891        snd_dma_free_pages(buf);
1892}
1893
1894static int substream_alloc_pages(struct azx *chip,
1895                                 struct snd_pcm_substream *substream,
1896                                 size_t size)
1897{
1898        struct azx_dev *azx_dev = get_azx_dev(substream);
1899        int ret;
1900
1901        mark_runtime_wc(chip, azx_dev, substream, false);
1902        ret = snd_pcm_lib_malloc_pages(substream, size);
1903        if (ret < 0)
1904                return ret;
1905        mark_runtime_wc(chip, azx_dev, substream, true);
1906        return 0;
1907}
1908
1909static int substream_free_pages(struct azx *chip,
1910                                struct snd_pcm_substream *substream)
1911{
1912        struct azx_dev *azx_dev = get_azx_dev(substream);
1913        mark_runtime_wc(chip, azx_dev, substream, false);
1914        return snd_pcm_lib_free_pages(substream);
1915}
1916
1917static void pcm_mmap_prepare(struct snd_pcm_substream *substream,
1918                             struct vm_area_struct *area)
1919{
1920#ifdef CONFIG_X86
1921        struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1922        struct azx *chip = apcm->chip;
1923        if (!azx_snoop(chip) && chip->driver_type != AZX_DRIVER_CMEDIA)
1924                area->vm_page_prot = pgprot_writecombine(area->vm_page_prot);
1925#endif
1926}
1927
1928static const struct hdac_io_ops pci_hda_io_ops = {
1929        .reg_writel = pci_azx_writel,
1930        .reg_readl = pci_azx_readl,
1931        .reg_writew = pci_azx_writew,
1932        .reg_readw = pci_azx_readw,
1933        .reg_writeb = pci_azx_writeb,
1934        .reg_readb = pci_azx_readb,
1935        .dma_alloc_pages = dma_alloc_pages,
1936        .dma_free_pages = dma_free_pages,
1937};
1938
1939static const struct hda_controller_ops pci_hda_ops = {
1940        .disable_msi_reset_irq = disable_msi_reset_irq,
1941        .substream_alloc_pages = substream_alloc_pages,
1942        .substream_free_pages = substream_free_pages,
1943        .pcm_mmap_prepare = pcm_mmap_prepare,
1944        .position_check = azx_position_check,
1945        .link_power = azx_intel_link_power,
1946};
1947
1948static int azx_probe(struct pci_dev *pci,
1949                     const struct pci_device_id *pci_id)
1950{
1951        static int dev;
1952        struct snd_card *card;
1953        struct hda_intel *hda;
1954        struct azx *chip;
1955        bool schedule_probe;
1956        int err;
1957
1958        if (dev >= SNDRV_CARDS)
1959                return -ENODEV;
1960        if (!enable[dev]) {
1961                dev++;
1962                return -ENOENT;
1963        }
1964
1965        err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
1966                           0, &card);
1967        if (err < 0) {
1968                dev_err(&pci->dev, "Error creating card!\n");
1969                return err;
1970        }
1971
1972        err = azx_create(card, pci, dev, pci_id->driver_data, &chip);
1973        if (err < 0)
1974                goto out_free;
1975        card->private_data = chip;
1976        hda = container_of(chip, struct hda_intel, chip);
1977
1978        pci_set_drvdata(pci, card);
1979
1980        err = register_vga_switcheroo(chip);
1981        if (err < 0) {
1982                dev_err(card->dev, "Error registering vga_switcheroo client\n");
1983                goto out_free;
1984        }
1985
1986        if (check_hdmi_disabled(pci)) {
1987                dev_info(card->dev, "VGA controller is disabled\n");
1988                dev_info(card->dev, "Delaying initialization\n");
1989                chip->disabled = true;
1990        }
1991
1992        schedule_probe = !chip->disabled;
1993
1994#ifdef CONFIG_SND_HDA_PATCH_LOADER
1995        if (patch[dev] && *patch[dev]) {
1996                dev_info(card->dev, "Applying patch firmware '%s'\n",
1997                         patch[dev]);
1998                err = request_firmware_nowait(THIS_MODULE, true, patch[dev],
1999                                              &pci->dev, GFP_KERNEL, card,
2000                                              azx_firmware_cb);
2001                if (err < 0)
2002                        goto out_free;
2003                schedule_probe = false; /* continued in azx_firmware_cb() */
2004        }
2005#endif /* CONFIG_SND_HDA_PATCH_LOADER */
2006
2007#ifndef CONFIG_SND_HDA_I915
2008        if (CONTROLLER_IN_GPU(pci))
2009                dev_err(card->dev, "Haswell/Broadwell HDMI/DP must build in CONFIG_SND_HDA_I915\n");
2010#endif
2011
2012        if (schedule_probe)
2013                schedule_work(&hda->probe_work);
2014
2015        dev++;
2016        if (chip->disabled)
2017                complete_all(&hda->probe_wait);
2018        return 0;
2019
2020out_free:
2021        snd_card_free(card);
2022        return err;
2023}
2024
2025/* number of codec slots for each chipset: 0 = default slots (i.e. 4) */
2026static unsigned int azx_max_codecs[AZX_NUM_DRIVERS] = {
2027        [AZX_DRIVER_NVIDIA] = 8,
2028        [AZX_DRIVER_TERA] = 1,
2029};
2030
2031static int azx_probe_continue(struct azx *chip)
2032{
2033        struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
2034        struct hdac_bus *bus = azx_bus(chip);
2035        struct pci_dev *pci = chip->pci;
2036        int dev = chip->dev_index;
2037        int err;
2038
2039        hda->probe_continued = 1;
2040
2041        /* Request display power well for the HDA controller or codec. For
2042         * Haswell/Broadwell, both the display HDA controller and codec need
2043         * this power. For other platforms, like Baytrail/Braswell, only the
2044         * display codec needs the power and it can be released after probe.
2045         */
2046        if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) {
2047                /* HSW/BDW controllers need this power */
2048                if (CONTROLLER_IN_GPU(pci))
2049                        hda->need_i915_power = 1;
2050
2051                err = snd_hdac_i915_init(bus);
2052                if (err < 0) {
2053                        /* if the controller is bound only with HDMI/DP
2054                         * (for HSW and BDW), we need to abort the probe;
2055                         * for other chips, still continue probing as other
2056                         * codecs can be on the same link.
2057                         */
2058                        if (CONTROLLER_IN_GPU(pci)) {
2059                                dev_err(chip->card->dev,
2060                                        "HSW/BDW HD-audio HDMI/DP requires binding with gfx driver\n");
2061                                goto out_free;
2062                        } else
2063                                goto skip_i915;
2064                }
2065
2066                err = snd_hdac_display_power(bus, true);
2067                if (err < 0) {
2068                        dev_err(chip->card->dev,
2069                                "Cannot turn on display power on i915\n");
2070                        goto i915_power_fail;
2071                }
2072        }
2073
2074 skip_i915:
2075        err = azx_first_init(chip);
2076        if (err < 0)
2077                goto out_free;
2078
2079#ifdef CONFIG_SND_HDA_INPUT_BEEP
2080        chip->beep_mode = beep_mode[dev];
2081#endif
2082
2083        /* create codec instances */
2084        err = azx_probe_codecs(chip, azx_max_codecs[chip->driver_type]);
2085        if (err < 0)
2086                goto out_free;
2087
2088#ifdef CONFIG_SND_HDA_PATCH_LOADER
2089        if (chip->fw) {
2090                err = snd_hda_load_patch(&chip->bus, chip->fw->size,
2091                                         chip->fw->data);
2092                if (err < 0)
2093                        goto out_free;
2094#ifndef CONFIG_PM
2095                release_firmware(chip->fw); /* no longer needed */
2096                chip->fw = NULL;
2097#endif
2098        }
2099#endif
2100        if ((probe_only[dev] & 1) == 0) {
2101                err = azx_codec_configure(chip);
2102                if (err < 0)
2103                        goto out_free;
2104        }
2105
2106        err = snd_card_register(chip->card);
2107        if (err < 0)
2108                goto out_free;
2109
2110        chip->running = 1;
2111        azx_add_card_list(chip);
2112        snd_hda_set_power_save(&chip->bus, power_save * 1000);
2113        if (azx_has_pm_runtime(chip) || hda->use_vga_switcheroo)
2114                pm_runtime_put_autosuspend(&pci->dev);
2115
2116out_free:
2117        if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL
2118                && !hda->need_i915_power)
2119                snd_hdac_display_power(bus, false);
2120
2121i915_power_fail:
2122        if (err < 0)
2123                hda->init_failed = 1;
2124        complete_all(&hda->probe_wait);
2125        return err;
2126}
2127
2128static void azx_remove(struct pci_dev *pci)
2129{
2130        struct snd_card *card = pci_get_drvdata(pci);
2131        struct azx *chip;
2132        struct hda_intel *hda;
2133
2134        if (card) {
2135                /* cancel the pending probing work */
2136                chip = card->private_data;
2137                hda = container_of(chip, struct hda_intel, chip);
2138                cancel_work_sync(&hda->probe_work);
2139
2140                snd_card_free(card);
2141        }
2142}
2143
2144static void azx_shutdown(struct pci_dev *pci)
2145{
2146        struct snd_card *card = pci_get_drvdata(pci);
2147        struct azx *chip;
2148
2149        if (!card)
2150                return;
2151        chip = card->private_data;
2152        if (chip && chip->running)
2153                azx_stop_chip(chip);
2154}
2155
2156/* PCI IDs */
2157static const struct pci_device_id azx_ids[] = {
2158        /* CPT */
2159        { PCI_DEVICE(0x8086, 0x1c20),
2160          .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM },
2161        /* PBG */
2162        { PCI_DEVICE(0x8086, 0x1d20),
2163          .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM },
2164        /* Panther Point */
2165        { PCI_DEVICE(0x8086, 0x1e20),
2166          .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM },
2167        /* Lynx Point */
2168        { PCI_DEVICE(0x8086, 0x8c20),
2169          .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2170        /* 9 Series */
2171        { PCI_DEVICE(0x8086, 0x8ca0),
2172          .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2173        /* Wellsburg */
2174        { PCI_DEVICE(0x8086, 0x8d20),
2175          .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2176        { PCI_DEVICE(0x8086, 0x8d21),
2177          .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2178        /* Lewisburg */
2179        { PCI_DEVICE(0x8086, 0xa1f0),
2180          .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2181        { PCI_DEVICE(0x8086, 0xa270),
2182          .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2183        /* Lynx Point-LP */
2184        { PCI_DEVICE(0x8086, 0x9c20),
2185          .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2186        /* Lynx Point-LP */
2187        { PCI_DEVICE(0x8086, 0x9c21),
2188          .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2189        /* Wildcat Point-LP */
2190        { PCI_DEVICE(0x8086, 0x9ca0),
2191          .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2192        /* Sunrise Point */
2193        { PCI_DEVICE(0x8086, 0xa170),
2194          .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE },
2195        /* Sunrise Point-LP */
2196        { PCI_DEVICE(0x8086, 0x9d70),
2197          .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE },
2198        /* Kabylake */
2199        { PCI_DEVICE(0x8086, 0xa171),
2200          .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE },
2201        /* Kabylake-LP */
2202        { PCI_DEVICE(0x8086, 0x9d71),
2203          .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE },
2204        /* Kabylake-H */
2205        { PCI_DEVICE(0x8086, 0xa2f0),
2206          .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE },
2207        /* Broxton-P(Apollolake) */
2208        { PCI_DEVICE(0x8086, 0x5a98),
2209          .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BROXTON },
2210        /* Broxton-T */
2211        { PCI_DEVICE(0x8086, 0x1a98),
2212          .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BROXTON },
2213        /* Haswell */
2214        { PCI_DEVICE(0x8086, 0x0a0c),
2215          .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL },
2216        { PCI_DEVICE(0x8086, 0x0c0c),
2217          .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL },
2218        { PCI_DEVICE(0x8086, 0x0d0c),
2219          .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL },
2220        /* Broadwell */
2221        { PCI_DEVICE(0x8086, 0x160c),
2222          .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_BROADWELL },
2223        /* 5 Series/3400 */
2224        { PCI_DEVICE(0x8086, 0x3b56),
2225          .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_NOPM },
2226        /* Poulsbo */
2227        { PCI_DEVICE(0x8086, 0x811b),
2228          .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_BASE },
2229        /* Oaktrail */
2230        { PCI_DEVICE(0x8086, 0x080a),
2231          .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_BASE },
2232        /* BayTrail */
2233        { PCI_DEVICE(0x8086, 0x0f04),
2234          .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BAYTRAIL },
2235        /* Braswell */
2236        { PCI_DEVICE(0x8086, 0x2284),
2237          .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BRASWELL },
2238        /* ICH6 */
2239        { PCI_DEVICE(0x8086, 0x2668),
2240          .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2241        /* ICH7 */
2242        { PCI_DEVICE(0x8086, 0x27d8),
2243          .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2244        /* ESB2 */
2245        { PCI_DEVICE(0x8086, 0x269a),
2246          .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2247        /* ICH8 */
2248        { PCI_DEVICE(0x8086, 0x284b),
2249          .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2250        /* ICH9 */
2251        { PCI_DEVICE(0x8086, 0x293e),
2252          .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2253        /* ICH9 */
2254        { PCI_DEVICE(0x8086, 0x293f),
2255          .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2256        /* ICH10 */
2257        { PCI_DEVICE(0x8086, 0x3a3e),
2258          .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2259        /* ICH10 */
2260        { PCI_DEVICE(0x8086, 0x3a6e),
2261          .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2262        /* Generic Intel */
2263        { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_ANY_ID),
2264          .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2265          .class_mask = 0xffffff,
2266          .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_NO_ALIGN_BUFSIZE },
2267        /* ATI SB 450/600/700/800/900 */
2268        { PCI_DEVICE(0x1002, 0x437b),
2269          .driver_data = AZX_DRIVER_ATI | AZX_DCAPS_PRESET_ATI_SB },
2270        { PCI_DEVICE(0x1002, 0x4383),
2271          .driver_data = AZX_DRIVER_ATI | AZX_DCAPS_PRESET_ATI_SB },
2272        /* AMD Hudson */
2273        { PCI_DEVICE(0x1022, 0x780d),
2274          .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB },
2275        /* ATI HDMI */
2276        { PCI_DEVICE(0x1002, 0x0002),
2277          .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2278        { PCI_DEVICE(0x1002, 0x1308),
2279          .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2280        { PCI_DEVICE(0x1002, 0x157a),
2281          .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2282        { PCI_DEVICE(0x1002, 0x15b3),
2283          .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2284        { PCI_DEVICE(0x1002, 0x793b),
2285          .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2286        { PCI_DEVICE(0x1002, 0x7919),
2287          .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2288        { PCI_DEVICE(0x1002, 0x960f),
2289          .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2290        { PCI_DEVICE(0x1002, 0x970f),
2291          .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2292        { PCI_DEVICE(0x1002, 0x9840),
2293          .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2294        { PCI_DEVICE(0x1002, 0xaa00),
2295          .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2296        { PCI_DEVICE(0x1002, 0xaa08),
2297          .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2298        { PCI_DEVICE(0x1002, 0xaa10),
2299          .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2300        { PCI_DEVICE(0x1002, 0xaa18),
2301          .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2302        { PCI_DEVICE(0x1002, 0xaa20),
2303          .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2304        { PCI_DEVICE(0x1002, 0xaa28),
2305          .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2306        { PCI_DEVICE(0x1002, 0xaa30),
2307          .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2308        { PCI_DEVICE(0x1002, 0xaa38),
2309          .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2310        { PCI_DEVICE(0x1002, 0xaa40),
2311          .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2312        { PCI_DEVICE(0x1002, 0xaa48),
2313          .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2314        { PCI_DEVICE(0x1002, 0xaa50),
2315          .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2316        { PCI_DEVICE(0x1002, 0xaa58),
2317          .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2318        { PCI_DEVICE(0x1002, 0xaa60),
2319          .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2320        { PCI_DEVICE(0x1002, 0xaa68),
2321          .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2322        { PCI_DEVICE(0x1002, 0xaa80),
2323          .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2324        { PCI_DEVICE(0x1002, 0xaa88),
2325          .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2326        { PCI_DEVICE(0x1002, 0xaa90),
2327          .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2328        { PCI_DEVICE(0x1002, 0xaa98),
2329          .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2330        { PCI_DEVICE(0x1002, 0x9902),
2331          .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2332        { PCI_DEVICE(0x1002, 0xaaa0),
2333          .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2334        { PCI_DEVICE(0x1002, 0xaaa8),
2335          .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2336        { PCI_DEVICE(0x1002, 0xaab0),
2337          .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2338        { PCI_DEVICE(0x1002, 0xaac0),
2339          .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2340        { PCI_DEVICE(0x1002, 0xaac8),
2341          .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2342        { PCI_DEVICE(0x1002, 0xaad8),
2343          .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2344        { PCI_DEVICE(0x1002, 0xaae8),
2345          .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2346        { PCI_DEVICE(0x1002, 0xaae0),
2347          .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2348        { PCI_DEVICE(0x1002, 0xaaf0),
2349          .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2350        /* VIA VT8251/VT8237A */
2351        { PCI_DEVICE(0x1106, 0x3288), .driver_data = AZX_DRIVER_VIA },
2352        /* VIA GFX VT7122/VX900 */
2353        { PCI_DEVICE(0x1106, 0x9170), .driver_data = AZX_DRIVER_GENERIC },
2354        /* VIA GFX VT6122/VX11 */
2355        { PCI_DEVICE(0x1106, 0x9140), .driver_data = AZX_DRIVER_GENERIC },
2356        /* SIS966 */
2357        { PCI_DEVICE(0x1039, 0x7502), .driver_data = AZX_DRIVER_SIS },
2358        /* ULI M5461 */
2359        { PCI_DEVICE(0x10b9, 0x5461), .driver_data = AZX_DRIVER_ULI },
2360        /* NVIDIA MCP */
2361        { PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
2362          .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2363          .class_mask = 0xffffff,
2364          .driver_data = AZX_DRIVER_NVIDIA | AZX_DCAPS_PRESET_NVIDIA },
2365        /* Teradici */
2366        { PCI_DEVICE(0x6549, 0x1200),
2367          .driver_data = AZX_DRIVER_TERA | AZX_DCAPS_NO_64BIT },
2368        { PCI_DEVICE(0x6549, 0x2200),
2369          .driver_data = AZX_DRIVER_TERA | AZX_DCAPS_NO_64BIT },
2370        /* Creative X-Fi (CA0110-IBG) */
2371        /* CTHDA chips */
2372        { PCI_DEVICE(0x1102, 0x0010),
2373          .driver_data = AZX_DRIVER_CTHDA | AZX_DCAPS_PRESET_CTHDA },
2374        { PCI_DEVICE(0x1102, 0x0012),
2375          .driver_data = AZX_DRIVER_CTHDA | AZX_DCAPS_PRESET_CTHDA },
2376#if !IS_ENABLED(CONFIG_SND_CTXFI)
2377        /* the following entry conflicts with snd-ctxfi driver,
2378         * as ctxfi driver mutates from HD-audio to native mode with
2379         * a special command sequence.
2380         */
2381        { PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_ANY_ID),
2382          .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2383          .class_mask = 0xffffff,
2384          .driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND |
2385          AZX_DCAPS_NO_64BIT | AZX_DCAPS_POSFIX_LPIB },
2386#else
2387        /* this entry seems still valid -- i.e. without emu20kx chip */
2388        { PCI_DEVICE(0x1102, 0x0009),
2389          .driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND |
2390          AZX_DCAPS_NO_64BIT | AZX_DCAPS_POSFIX_LPIB },
2391#endif
2392        /* CM8888 */
2393        { PCI_DEVICE(0x13f6, 0x5011),
2394          .driver_data = AZX_DRIVER_CMEDIA |
2395          AZX_DCAPS_NO_MSI | AZX_DCAPS_POSFIX_LPIB | AZX_DCAPS_SNOOP_OFF },
2396        /* Vortex86MX */
2397        { PCI_DEVICE(0x17f3, 0x3010), .driver_data = AZX_DRIVER_GENERIC },
2398        /* VMware HDAudio */
2399        { PCI_DEVICE(0x15ad, 0x1977), .driver_data = AZX_DRIVER_GENERIC },
2400        /* AMD/ATI Generic, PCI class code and Vendor ID for HD Audio */
2401        { PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_ANY_ID),
2402          .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2403          .class_mask = 0xffffff,
2404          .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_HDMI },
2405        { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_ANY_ID),
2406          .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2407          .class_mask = 0xffffff,
2408          .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_HDMI },
2409        { 0, }
2410};
2411MODULE_DEVICE_TABLE(pci, azx_ids);
2412
2413/* pci_driver definition */
2414static struct pci_driver azx_driver = {
2415        .name = KBUILD_MODNAME,
2416        .id_table = azx_ids,
2417        .probe = azx_probe,
2418        .remove = azx_remove,
2419        .shutdown = azx_shutdown,
2420        .driver = {
2421                .pm = AZX_PM_OPS,
2422        },
2423};
2424
2425module_pci_driver(azx_driver);
2426