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