sound/pci/hda/hda_intel.c

   1 /*
   2  *
   3  *  hda_intel.c - Implementation of primary alsa driver code base
   4  *                for Intel HD Audio.
   5  *
   6  *  Copyright(c) 2004 Intel Corporation. All rights reserved.
   7  *
   8  *  Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
   9  *                     PeiSen Hou <pshou@realtek.com.tw>
  10  *
  11  *  This program is free software; you can redistribute it and/or modify it
  12  *  under the terms of the GNU General Public License as published by the Free
  13  *  Software Foundation; either version 2 of the License, or (at your option)
  14  *  any later version.
  15  *
  16  *  This program is distributed in the hope that it will be useful, but WITHOUT
  17  *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  18  *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  19  *  more details.
  20  *
  21  *  You should have received a copy of the GNU General Public License along with
  22  *  this program; if not, write to the Free Software Foundation, Inc., 59
  23  *  Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  24  *
  25  *  CONTACTS:
  26  *
  27  *  Matt Jared          matt.jared@intel.com
  28  *  Andy Kopp           andy.kopp@intel.com
  29  *  Dan Kogan           dan.d.kogan@intel.com
  30  *
  31  *  CHANGES:
  32  *
  33  *  2004.12.01  Major rewrite by tiwai, merged the work of pshou
  34  *
  35  */
  36
  37 #include <linux/delay.h>
  38 #include <linux/interrupt.h>
  39 #include <linux/kernel.h>
  40 #include <linux/module.h>
  41 #include <linux/dma-mapping.h>
  42 #include <linux/moduleparam.h>
  43 #include <linux/init.h>
  44 #include <linux/slab.h>
  45 #include <linux/pci.h>
  46 #include <linux/mutex.h>
  47 #include <linux/io.h>
  48 #include <linux/pm_runtime.h>
  49 #include <linux/clocksource.h>
  50 #include <linux/time.h>
  51 #include <linux/completion.h>
  52
  53 #ifdef CONFIG_X86
  54 /* for snoop control */
  55 #include <asm/pgtable.h>
  56 #include <asm/cacheflush.h>
  57 #endif
  58 #include <sound/core.h>
  59 #include <sound/initval.h>
  60 #include <sound/hdaudio.h>
  61 #include <sound/hda_i915.h>
  62 #include <linux/vgaarb.h>
  63 #include <linux/vga_switcheroo.h>
  64 #include <linux/firmware.h>
  65 #include "hda_codec.h"
  66 #include "hda_controller.h"
  67 #include "hda_intel.h"
  68
  69 #define CREATE_TRACE_POINTS
  70 #include "hda_intel_trace.h"
  71
  72 /* position fix mode */
  73 enum {
  74         POS_FIX_AUTO,
  75         POS_FIX_LPIB,
  76         POS_FIX_POSBUF,
  77         POS_FIX_VIACOMBO,
  78         POS_FIX_COMBO,
  79 };
  80
  81 /* Defines for ATI HD Audio support in SB450 south bridge */
  82 #define ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR   0x42
  83 #define ATI_SB450_HDAUDIO_ENABLE_SNOOP      0x02
  84
  85 /* Defines for Nvidia HDA support */
  86 #define NVIDIA_HDA_TRANSREG_ADDR      0x4e
  87 #define NVIDIA_HDA_ENABLE_COHBITS     0x0f
  88 #define NVIDIA_HDA_ISTRM_COH          0x4d
  89 #define NVIDIA_HDA_OSTRM_COH          0x4c
  90 #define NVIDIA_HDA_ENABLE_COHBIT      0x01
  91
  92 /* Defines for Intel SCH HDA snoop control */
  93 #define INTEL_HDA_CGCTL  0x48
  94 #define INTEL_HDA_CGCTL_MISCBDCGE        (0x1 << 6)
  95 #define INTEL_SCH_HDA_DEVC      0x78
  96 #define INTEL_SCH_HDA_DEVC_NOSNOOP       (0x1<<11)
  97
  98 /* Define IN stream 0 FIFO size offset in VIA controller */
  99 #define VIA_IN_STREAM0_FIFO_SIZE_OFFSET 0x90
 100 /* Define VIA HD Audio Device ID*/
 101 #define VIA_HDAC_DEVICE_ID              0x3288
 102
 103 /* max number of SDs */
 104 /* ICH, ATI and VIA have 4 playback and 4 capture */
 105 #define ICH6_NUM_CAPTURE        4
 106 #define ICH6_NUM_PLAYBACK       4
 107
 108 /* ULI has 6 playback and 5 capture */
 109 #define ULI_NUM_CAPTURE         5
 110 #define ULI_NUM_PLAYBACK        6
 111
 112 /* ATI HDMI may have up to 8 playbacks and 0 capture */
 113 #define ATIHDMI_NUM_CAPTURE     0
 114 #define ATIHDMI_NUM_PLAYBACK    8
 115
 116 /* TERA has 4 playback and 3 capture */
 117 #define TERA_NUM_CAPTURE        3
 118 #define TERA_NUM_PLAYBACK       4
 119
 120
 121 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
 122 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
 123 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
 124 static char *model[SNDRV_CARDS];
 125 static int position_fix[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
 126 static int bdl_pos_adj[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
 127 static int probe_mask[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
 128 static int probe_only[SNDRV_CARDS];
 129 static int jackpoll_ms[SNDRV_CARDS];
 130 static bool single_cmd;
 131 static int enable_msi = -1;
 132 #ifdef CONFIG_SND_HDA_PATCH_LOADER
 133 static char *patch[SNDRV_CARDS];
 134 #endif
 135 #ifdef CONFIG_SND_HDA_INPUT_BEEP
 136 static bool beep_mode[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] =
 137                                         CONFIG_SND_HDA_INPUT_BEEP_MODE};
 138 #endif
 139
 140 module_param_array(index, int, NULL, 0444);
 141 MODULE_PARM_DESC(index, "Index value for Intel HD audio interface.");
 142 module_param_array(id, charp, NULL, 0444);
 143 MODULE_PARM_DESC(id, "ID string for Intel HD audio interface.");
 144 module_param_array(enable, bool, NULL, 0444);
 145 MODULE_PARM_DESC(enable, "Enable Intel HD audio interface.");
 146 module_param_array(model, charp, NULL, 0444);
 147 MODULE_PARM_DESC(model, "Use the given board model.");
 148 module_param_array(position_fix, int, NULL, 0444);
 149 MODULE_PARM_DESC(position_fix, "DMA pointer read method."
 150                  "(-1 = system default, 0 = auto, 1 = LPIB, 2 = POSBUF, 3 = VIACOMBO, 4 = COMBO).");
 151 module_param_array(bdl_pos_adj, int, NULL, 0644);
 152 MODULE_PARM_DESC(bdl_pos_adj, "BDL position adjustment offset.");
 153 module_param_array(probe_mask, int, NULL, 0444);
 154 MODULE_PARM_DESC(probe_mask, "Bitmask to probe codecs (default = -1).");
 155 module_param_array(probe_only, int, NULL, 0444);
 156 MODULE_PARM_DESC(probe_only, "Only probing and no codec initialization.");
 157 module_param_array(jackpoll_ms, int, NULL, 0444);
 158 MODULE_PARM_DESC(jackpoll_ms, "Ms between polling for jack events (default = 0, using unsol events only)");
 159 module_param(single_cmd, bool, 0444);
 160 MODULE_PARM_DESC(single_cmd, "Use single command to communicate with codecs "
 161                  "(for debugging only).");
 162 module_param(enable_msi, bint, 0444);
 163 MODULE_PARM_DESC(enable_msi, "Enable Message Signaled Interrupt (MSI)");
 164 #ifdef CONFIG_SND_HDA_PATCH_LOADER
 165 module_param_array(patch, charp, NULL, 0444);
 166 MODULE_PARM_DESC(patch, "Patch file for Intel HD audio interface.");
 167 #endif
 168 #ifdef CONFIG_SND_HDA_INPUT_BEEP
 169 module_param_array(beep_mode, bool, NULL, 0444);
 170 MODULE_PARM_DESC(beep_mode, "Select HDA Beep registration mode "
 171                             "(0=off, 1=on) (default=1).");
 172 #endif
 173
 174 #ifdef CONFIG_PM
 175 static int param_set_xint(const char *val, const struct kernel_param *kp);
 176 static const struct kernel_param_ops param_ops_xint = {
 177         .set = param_set_xint,
 178         .get = param_get_int,
 179 };
 180 #define param_check_xint param_check_int
 181
 182 static int power_save = CONFIG_SND_HDA_POWER_SAVE_DEFAULT;
 183 module_param(power_save, xint, 0644);
 184 MODULE_PARM_DESC(power_save, "Automatic power-saving timeout "
 185                  "(in second, 0 = disable).");
 186
 187 /* reset the HD-audio controller in power save mode.
 188  * this may give more power-saving, but will take longer time to
 189  * wake up.
 190  */
 191 static bool power_save_controller = 1;
 192 module_param(power_save_controller, bool, 0644);
 193 MODULE_PARM_DESC(power_save_controller, "Reset controller in power save mode.");
 194 #else
 195 #define power_save      0
 196 #endif /* CONFIG_PM */
 197
 198 static int align_buffer_size = -1;
 199 module_param(align_buffer_size, bint, 0644);
 200 MODULE_PARM_DESC(align_buffer_size,
 201                 "Force buffer and period sizes to be multiple of 128 bytes.");
 202
 203 #ifdef CONFIG_X86
 204 static int hda_snoop = -1;
 205 module_param_named(snoop, hda_snoop, bint, 0444);
 206 MODULE_PARM_DESC(snoop, "Enable/disable snooping");
 207 #else
 208 #define hda_snoop               true
 209 #endif
 210
 211
 212 MODULE_LICENSE("GPL");
 213 MODULE_SUPPORTED_DEVICE("{{Intel, ICH6},"
 214                          "{Intel, ICH6M},"
 215                          "{Intel, ICH7},"
 216                          "{Intel, ESB2},"
 217                          "{Intel, ICH8},"
 218                          "{Intel, ICH9},"
 219                          "{Intel, ICH10},"
 220                          "{Intel, PCH},"
 221                          "{Intel, CPT},"
 222                          "{Intel, PPT},"
 223                          "{Intel, LPT},"
 224                          "{Intel, LPT_LP},"
 225                          "{Intel, WPT_LP},"
 226                          "{Intel, SPT},"
 227                          "{Intel, SPT_LP},"
 228                          "{Intel, HPT},"
 229                          "{Intel, PBG},"
 230                          "{Intel, SCH},"
 231                          "{ATI, SB450},"
 232                          "{ATI, SB600},"
 233                          "{ATI, RS600},"
 234                          "{ATI, RS690},"
 235                          "{ATI, RS780},"
 236                          "{ATI, R600},"
 237                          "{ATI, RV630},"
 238                          "{ATI, RV610},"
 239                          "{ATI, RV670},"
 240                          "{ATI, RV635},"
 241                          "{ATI, RV620},"
 242                          "{ATI, RV770},"
 243                          "{VIA, VT8251},"
 244                          "{VIA, VT8237A},"
 245                          "{SiS, SIS966},"
 246                          "{ULI, M5461}}");
 247 MODULE_DESCRIPTION("Intel HDA driver");
 248
 249 #if defined(CONFIG_PM) && defined(CONFIG_VGA_SWITCHEROO)
 250 #if IS_ENABLED(CONFIG_SND_HDA_CODEC_HDMI)
 251 #define SUPPORT_VGA_SWITCHEROO
 252 #endif
 253 #endif
 254
 255
 256 /*
 257  */
 258
 259 /* driver types */
 260 enum {
 261         AZX_DRIVER_ICH,
 262         AZX_DRIVER_PCH,
 263         AZX_DRIVER_SCH,
 264         AZX_DRIVER_HDMI,
 265         AZX_DRIVER_ATI,
 266         AZX_DRIVER_ATIHDMI,
 267         AZX_DRIVER_ATIHDMI_NS,
 268         AZX_DRIVER_VIA,
 269         AZX_DRIVER_SIS,
 270         AZX_DRIVER_ULI,
 271         AZX_DRIVER_NVIDIA,
 272         AZX_DRIVER_TERA,
 273         AZX_DRIVER_CTX,
 274         AZX_DRIVER_CTHDA,
 275         AZX_DRIVER_CMEDIA,
 276         AZX_DRIVER_GENERIC,
 277         AZX_NUM_DRIVERS, /* keep this as last entry */
 278 };
 279
 280 #define azx_get_snoop_type(chip) \
 281         (((chip)->driver_caps & AZX_DCAPS_SNOOP_MASK) >> 10)
 282 #define AZX_DCAPS_SNOOP_TYPE(type) ((AZX_SNOOP_TYPE_ ## type) << 10)
 283
 284 /* quirks for old Intel chipsets */
 285 #define AZX_DCAPS_INTEL_ICH \
 286         (AZX_DCAPS_OLD_SSYNC | AZX_DCAPS_NO_ALIGN_BUFSIZE)
 287
 288 /* quirks for Intel PCH */
 289 #define AZX_DCAPS_INTEL_PCH_BASE \
 290         (AZX_DCAPS_NO_ALIGN_BUFSIZE | AZX_DCAPS_COUNT_LPIB_DELAY |\
 291          AZX_DCAPS_SNOOP_TYPE(SCH))
 292
 293 /* PCH up to IVB; no runtime PM */
 294 #define AZX_DCAPS_INTEL_PCH_NOPM \
 295         (AZX_DCAPS_INTEL_PCH_BASE)
 296
 297 /* PCH for HSW/BDW; with runtime PM */
 298 #define AZX_DCAPS_INTEL_PCH \
 299         (AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_PM_RUNTIME)
 300
 301 /* HSW HDMI */
 302 #define AZX_DCAPS_INTEL_HASWELL \
 303         (/*AZX_DCAPS_ALIGN_BUFSIZE |*/ AZX_DCAPS_COUNT_LPIB_DELAY |\
 304          AZX_DCAPS_PM_RUNTIME | AZX_DCAPS_I915_POWERWELL |\
 305          AZX_DCAPS_SNOOP_TYPE(SCH))
 306
 307 /* Broadwell HDMI can't use position buffer reliably, force to use LPIB */
 308 #define AZX_DCAPS_INTEL_BROADWELL \
 309         (/*AZX_DCAPS_ALIGN_BUFSIZE |*/ AZX_DCAPS_POSFIX_LPIB |\
 310          AZX_DCAPS_PM_RUNTIME | AZX_DCAPS_I915_POWERWELL |\
 311          AZX_DCAPS_SNOOP_TYPE(SCH))
 312
 313 #define AZX_DCAPS_INTEL_BAYTRAIL \
 314         (AZX_DCAPS_INTEL_PCH_NOPM | AZX_DCAPS_I915_POWERWELL)
 315
 316 #define AZX_DCAPS_INTEL_BRASWELL \
 317         (AZX_DCAPS_INTEL_PCH | AZX_DCAPS_I915_POWERWELL)
 318
 319 #define AZX_DCAPS_INTEL_SKYLAKE \
 320         (AZX_DCAPS_INTEL_PCH | AZX_DCAPS_SEPARATE_STREAM_TAG |\
 321          AZX_DCAPS_I915_POWERWELL)
 322
 323 #define AZX_DCAPS_INTEL_BROXTON \
 324         (AZX_DCAPS_INTEL_PCH | AZX_DCAPS_SEPARATE_STREAM_TAG |\
 325          AZX_DCAPS_I915_POWERWELL)
 326
 327 /* quirks for ATI SB / AMD Hudson */
 328 #define AZX_DCAPS_PRESET_ATI_SB \
 329         (AZX_DCAPS_NO_TCSEL | AZX_DCAPS_SYNC_WRITE | AZX_DCAPS_POSFIX_LPIB |\
 330          AZX_DCAPS_SNOOP_TYPE(ATI))
 331
 332 /* quirks for ATI/AMD HDMI */
 333 #define AZX_DCAPS_PRESET_ATI_HDMI \
 334         (AZX_DCAPS_NO_TCSEL | AZX_DCAPS_SYNC_WRITE | AZX_DCAPS_POSFIX_LPIB|\
 335          AZX_DCAPS_NO_MSI64)
 336
 337 /* quirks for ATI HDMI with snoop off */
 338 #define AZX_DCAPS_PRESET_ATI_HDMI_NS \
 339         (AZX_DCAPS_PRESET_ATI_HDMI | AZX_DCAPS_SNOOP_OFF)
 340
 341 /* quirks for Nvidia */
 342 #define AZX_DCAPS_PRESET_NVIDIA \
 343         (AZX_DCAPS_NO_MSI | /*AZX_DCAPS_ALIGN_BUFSIZE |*/ \
 344          AZX_DCAPS_NO_64BIT | AZX_DCAPS_CORBRP_SELF_CLEAR |\
 345          AZX_DCAPS_SNOOP_TYPE(NVIDIA))
 346
 347 #define AZX_DCAPS_PRESET_CTHDA \
 348         (AZX_DCAPS_NO_MSI | AZX_DCAPS_POSFIX_LPIB |\
 349          AZX_DCAPS_NO_64BIT |\
 350          AZX_DCAPS_4K_BDLE_BOUNDARY | AZX_DCAPS_SNOOP_OFF)
 351
 352 /*
 353  * vga_switcheroo support
 354  */
 355 #ifdef SUPPORT_VGA_SWITCHEROO
 356 #define use_vga_switcheroo(chip)        ((chip)->use_vga_switcheroo)
 357 #else
 358 #define use_vga_switcheroo(chip)        0
 359 #endif
 360
 361 #define CONTROLLER_IN_GPU(pci) (((pci)->device == 0x0a0c) || \
 362                                         ((pci)->device == 0x0c0c) || \
 363                                         ((pci)->device == 0x0d0c) || \
 364                                         ((pci)->device == 0x160c))
 365
 366 #define IS_SKL(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0xa170)
 367 #define IS_SKL_LP(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x9d70)
 368 #define IS_KBL(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0xa171)
 369 #define IS_KBL_LP(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x9d71)
 370 #define IS_KBL_H(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0xa2f0)
 371 #define IS_BXT(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x5a98)
 372 #define IS_SKL_PLUS(pci) (IS_SKL(pci) || IS_SKL_LP(pci) || IS_BXT(pci)) || \
 373                         IS_KBL(pci) || IS_KBL_LP(pci) || IS_KBL_H(pci)
 374
 375 static char *driver_short_names[] = {
 376         [AZX_DRIVER_ICH] = "HDA Intel",
 377         [AZX_DRIVER_PCH] = "HDA Intel PCH",
 378         [AZX_DRIVER_SCH] = "HDA Intel MID",
 379         [AZX_DRIVER_HDMI] = "HDA Intel HDMI",
 380         [AZX_DRIVER_ATI] = "HDA ATI SB",
 381         [AZX_DRIVER_ATIHDMI] = "HDA ATI HDMI",
 382         [AZX_DRIVER_ATIHDMI_NS] = "HDA ATI HDMI",
 383         [AZX_DRIVER_VIA] = "HDA VIA VT82xx",
 384         [AZX_DRIVER_SIS] = "HDA SIS966",
 385         [AZX_DRIVER_ULI] = "HDA ULI M5461",
 386         [AZX_DRIVER_NVIDIA] = "HDA NVidia",
 387         [AZX_DRIVER_TERA] = "HDA Teradici",
 388         [AZX_DRIVER_CTX] = "HDA Creative",
 389         [AZX_DRIVER_CTHDA] = "HDA Creative",
 390         [AZX_DRIVER_CMEDIA] = "HDA C-Media",
 391         [AZX_DRIVER_GENERIC] = "HD-Audio Generic",
 392 };
 393
 394 #ifdef CONFIG_X86
 395 static void __mark_pages_wc(struct azx *chip, struct snd_dma_buffer *dmab, bool on)
 396 {
 397         int pages;
 398
 399         if (azx_snoop(chip))
 400                 return;
 401         if (!dmab || !dmab->area || !dmab->bytes)
 402                 return;
 403
 404 #ifdef CONFIG_SND_DMA_SGBUF
 405         if (dmab->dev.type == SNDRV_DMA_TYPE_DEV_SG) {
 406                 struct snd_sg_buf *sgbuf = dmab->private_data;
 407                 if (chip->driver_type == AZX_DRIVER_CMEDIA)
 408                         return; /* deal with only CORB/RIRB buffers */
 409                 if (on)
 410                         set_pages_array_wc(sgbuf->page_table, sgbuf->pages);
 411                 else
 412                         set_pages_array_wb(sgbuf->page_table, sgbuf->pages);
 413                 return;
 414         }
 415 #endif
 416
 417         pages = (dmab->bytes + PAGE_SIZE - 1) >> PAGE_SHIFT;
 418         if (on)
 419                 set_memory_wc((unsigned long)dmab->area, pages);
 420         else
 421                 set_memory_wb((unsigned long)dmab->area, pages);
 422 }
 423
 424 static inline void mark_pages_wc(struct azx *chip, struct snd_dma_buffer *buf,
 425                                  bool on)
 426 {
 427         __mark_pages_wc(chip, buf, on);
 428 }
 429 static inline void mark_runtime_wc(struct azx *chip, struct azx_dev *azx_dev,
 430                                    struct snd_pcm_substream *substream, bool on)
 431 {
 432         if (azx_dev->wc_marked != on) {
 433                 __mark_pages_wc(chip, snd_pcm_get_dma_buf(substream), on);
 434                 azx_dev->wc_marked = on;
 435         }
 436 }
 437 #else
 438 /* NOP for other archs */
 439 static inline void mark_pages_wc(struct azx *chip, struct snd_dma_buffer *buf,
 440                                  bool on)
 441 {
 442 }
 443 static inline void mark_runtime_wc(struct azx *chip, struct azx_dev *azx_dev,
 444                                    struct snd_pcm_substream *substream, bool on)
 445 {
 446 }
 447 #endif
 448
 449 static int azx_acquire_irq(struct azx *chip, int do_disconnect);
 450
 451 /*
 452  * initialize the PCI registers
 453  */
 454 /* update bits in a PCI register byte */
 455 static void update_pci_byte(struct pci_dev *pci, unsigned int reg,
 456                             unsigned char mask, unsigned char val)
 457 {
 458         unsigned char data;
 459
 460         pci_read_config_byte(pci, reg, &data);
 461         data &= ~mask;
 462         data |= (val & mask);
 463         pci_write_config_byte(pci, reg, data);
 464 }
 465
 466 static void azx_init_pci(struct azx *chip)
 467 {
 468         int snoop_type = azx_get_snoop_type(chip);
 469
 470         /* Clear bits 0-2 of PCI register TCSEL (at offset 0x44)
 471          * TCSEL == Traffic Class Select Register, which sets PCI express QOS
 472          * Ensuring these bits are 0 clears playback static on some HD Audio
 473          * codecs.
 474          * The PCI register TCSEL is defined in the Intel manuals.
 475          */
 476         if (!(chip->driver_caps & AZX_DCAPS_NO_TCSEL)) {
 477                 dev_dbg(chip->card->dev, "Clearing TCSEL\n");
 478                 update_pci_byte(chip->pci, AZX_PCIREG_TCSEL, 0x07, 0);
 479         }
 480
 481         /* For ATI SB450/600/700/800/900 and AMD Hudson azalia HD audio,
 482          * we need to enable snoop.
 483          */
 484         if (snoop_type == AZX_SNOOP_TYPE_ATI) {
 485                 dev_dbg(chip->card->dev, "Setting ATI snoop: %d\n",
 486                         azx_snoop(chip));
 487                 update_pci_byte(chip->pci,
 488                                 ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR, 0x07,
 489                                 azx_snoop(chip) ? ATI_SB450_HDAUDIO_ENABLE_SNOOP : 0);
 490         }
 491
 492         /* For NVIDIA HDA, enable snoop */
 493         if (snoop_type == AZX_SNOOP_TYPE_NVIDIA) {
 494                 dev_dbg(chip->card->dev, "Setting Nvidia snoop: %d\n",
 495                         azx_snoop(chip));
 496                 update_pci_byte(chip->pci,
 497                                 NVIDIA_HDA_TRANSREG_ADDR,
 498                                 0x0f, NVIDIA_HDA_ENABLE_COHBITS);
 499                 update_pci_byte(chip->pci,
 500                                 NVIDIA_HDA_ISTRM_COH,
 501                                 0x01, NVIDIA_HDA_ENABLE_COHBIT);
 502                 update_pci_byte(chip->pci,
 503                                 NVIDIA_HDA_OSTRM_COH,
 504                                 0x01, NVIDIA_HDA_ENABLE_COHBIT);
 505         }
 506
 507         /* Enable SCH/PCH snoop if needed */
 508         if (snoop_type == AZX_SNOOP_TYPE_SCH) {
 509                 unsigned short snoop;
 510                 pci_read_config_word(chip->pci, INTEL_SCH_HDA_DEVC, &snoop);
 511                 if ((!azx_snoop(chip) && !(snoop & INTEL_SCH_HDA_DEVC_NOSNOOP)) ||
 512                     (azx_snoop(chip) && (snoop & INTEL_SCH_HDA_DEVC_NOSNOOP))) {
 513                         snoop &= ~INTEL_SCH_HDA_DEVC_NOSNOOP;
 514                         if (!azx_snoop(chip))
 515                                 snoop |= INTEL_SCH_HDA_DEVC_NOSNOOP;
 516                         pci_write_config_word(chip->pci, INTEL_SCH_HDA_DEVC, snoop);
 517                         pci_read_config_word(chip->pci,
 518                                 INTEL_SCH_HDA_DEVC, &snoop);
 519                 }
 520                 dev_dbg(chip->card->dev, "SCH snoop: %s\n",
 521                         (snoop & INTEL_SCH_HDA_DEVC_NOSNOOP) ?
 522                         "Disabled" : "Enabled");
 523         }
 524 }
 525
 526 /*
 527  * In BXT-P A0, HD-Audio DMA requests is later than expected,
 528  * and makes an audio stream sensitive to system latencies when
 529  * 24/32 bits are playing.
 530  * Adjusting threshold of DMA fifo to force the DMA request
 531  * sooner to improve latency tolerance at the expense of power.
 532  */
 533 static void bxt_reduce_dma_latency(struct azx *chip)
 534 {
 535         u32 val;
 536
 537         val = azx_readl(chip, SKL_EM4L);
 538         val &= (0x3 << 20);
 539         azx_writel(chip, SKL_EM4L, val);
 540 }
 541
 542 static void hda_intel_init_chip(struct azx *chip, bool full_reset)
 543 {
 544         struct hdac_bus *bus = azx_bus(chip);
 545         struct pci_dev *pci = chip->pci;
 546         u32 val;
 547
 548         if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL)
 549                 snd_hdac_set_codec_wakeup(bus, true);
 550         if (IS_SKL_PLUS(pci)) {
 551                 pci_read_config_dword(pci, INTEL_HDA_CGCTL, &val);
 552                 val = val & ~INTEL_HDA_CGCTL_MISCBDCGE;
 553                 pci_write_config_dword(pci, INTEL_HDA_CGCTL, val);
 554         }
 555         azx_init_chip(chip, full_reset);
 556         if (IS_SKL_PLUS(pci)) {
 557                 pci_read_config_dword(pci, INTEL_HDA_CGCTL, &val);
 558                 val = val | INTEL_HDA_CGCTL_MISCBDCGE;
 559                 pci_write_config_dword(pci, INTEL_HDA_CGCTL, val);
 560         }
 561         if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL)
 562                 snd_hdac_set_codec_wakeup(bus, false);
 563
 564         /* reduce dma latency to avoid noise */
 565         if (IS_BXT(pci))
 566                 bxt_reduce_dma_latency(chip);
 567 }
 568
 569 /* calculate runtime delay from LPIB */
 570 static int azx_get_delay_from_lpib(struct azx *chip, struct azx_dev *azx_dev,
 571                                    unsigned int pos)
 572 {
 573         struct snd_pcm_substream *substream = azx_dev->core.substream;
 574         int stream = substream->stream;
 575         unsigned int lpib_pos = azx_get_pos_lpib(chip, azx_dev);
 576         int delay;
 577
 578         if (stream == SNDRV_PCM_STREAM_PLAYBACK)
 579                 delay = pos - lpib_pos;
 580         else
 581                 delay = lpib_pos - pos;
 582         if (delay < 0) {
 583                 if (delay >= azx_dev->core.delay_negative_threshold)
 584                         delay = 0;
 585                 else
 586                         delay += azx_dev->core.bufsize;
 587         }
 588
 589         if (delay >= azx_dev->core.period_bytes) {
 590                 dev_info(chip->card->dev,
 591                          "Unstable LPIB (%d >= %d); disabling LPIB delay counting\n",
 592                          delay, azx_dev->core.period_bytes);
 593                 delay = 0;
 594                 chip->driver_caps &= ~AZX_DCAPS_COUNT_LPIB_DELAY;
 595                 chip->get_delay[stream] = NULL;
 596         }
 597
 598         return bytes_to_frames(substream->runtime, delay);
 599 }
 600
 601 static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev);
 602
 603 /* called from IRQ */
 604 static int azx_position_check(struct azx *chip, struct azx_dev *azx_dev)
 605 {
 606         struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
 607         int ok;
 608
 609         ok = azx_position_ok(chip, azx_dev);
 610         if (ok == 1) {
 611                 azx_dev->irq_pending = 0;
 612                 return ok;
 613         } else if (ok == 0) {
 614                 /* bogus IRQ, process it later */
 615                 azx_dev->irq_pending = 1;
 616                 schedule_work(&hda->irq_pending_work);
 617         }
 618         return 0;
 619 }
 620
 621 /* Enable/disable i915 display power for the link */
 622 static int azx_intel_link_power(struct azx *chip, bool enable)
 623 {
 624         struct hdac_bus *bus = azx_bus(chip);
 625
 626         return snd_hdac_display_power(bus, enable);
 627 }
 628
 629 /*
 630  * Check whether the current DMA position is acceptable for updating
 631  * periods.  Returns non-zero if it's OK.
 632  *
 633  * Many HD-audio controllers appear pretty inaccurate about
 634  * the update-IRQ timing.  The IRQ is issued before actually the
 635  * data is processed.  So, we need to process it afterwords in a
 636  * workqueue.
 637  */
 638 static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev)
 639 {
 640         struct snd_pcm_substream *substream = azx_dev->core.substream;
 641         int stream = substream->stream;
 642         u32 wallclk;
 643         unsigned int pos;
 644
 645         wallclk = azx_readl(chip, WALLCLK) - azx_dev->core.start_wallclk;
 646         if (wallclk < (azx_dev->core.period_wallclk * 2) / 3)
 647                 return -1;      /* bogus (too early) interrupt */
 648
 649         if (chip->get_position[stream])
 650                 pos = chip->get_position[stream](chip, azx_dev);
 651         else { /* use the position buffer as default */
 652                 pos = azx_get_pos_posbuf(chip, azx_dev);
 653                 if (!pos || pos == (u32)-1) {
 654                         dev_info(chip->card->dev,
 655                                  "Invalid position buffer, using LPIB read method instead.\n");
 656                         chip->get_position[stream] = azx_get_pos_lpib;
 657                         if (chip->get_position[0] == azx_get_pos_lpib &&
 658                             chip->get_position[1] == azx_get_pos_lpib)
 659                                 azx_bus(chip)->use_posbuf = false;
 660                         pos = azx_get_pos_lpib(chip, azx_dev);
 661                         chip->get_delay[stream] = NULL;
 662                 } else {
 663                         chip->get_position[stream] = azx_get_pos_posbuf;
 664                         if (chip->driver_caps & AZX_DCAPS_COUNT_LPIB_DELAY)
 665                                 chip->get_delay[stream] = azx_get_delay_from_lpib;
 666                 }
 667         }
 668
 669         if (pos >= azx_dev->core.bufsize)
 670                 pos = 0;
 671
 672         if (WARN_ONCE(!azx_dev->core.period_bytes,
 673                       "hda-intel: zero azx_dev->period_bytes"))
 674                 return -1; /* this shouldn't happen! */
 675         if (wallclk < (azx_dev->core.period_wallclk * 5) / 4 &&
 676             pos % azx_dev->core.period_bytes > azx_dev->core.period_bytes / 2)
 677                 /* NG - it's below the first next period boundary */
 678                 return chip->bdl_pos_adj ? 0 : -1;
 679         azx_dev->core.start_wallclk += wallclk;
 680         return 1; /* OK, it's fine */
 681 }
 682
 683 /*
 684  * The work for pending PCM period updates.
 685  */
 686 static void azx_irq_pending_work(struct work_struct *work)
 687 {
 688         struct hda_intel *hda = container_of(work, struct hda_intel, irq_pending_work);
 689         struct azx *chip = &hda->chip;
 690         struct hdac_bus *bus = azx_bus(chip);
 691         struct hdac_stream *s;
 692         int pending, ok;
 693
 694         if (!hda->irq_pending_warned) {
 695                 dev_info(chip->card->dev,
 696                          "IRQ timing workaround is activated for card #%d. Suggest a bigger bdl_pos_adj.\n",
 697                          chip->card->number);
 698                 hda->irq_pending_warned = 1;
 699         }
 700
 701         for (;;) {
 702                 pending = 0;
 703                 spin_lock_irq(&bus->reg_lock);
 704                 list_for_each_entry(s, &bus->stream_list, list) {
 705                         struct azx_dev *azx_dev = stream_to_azx_dev(s);
 706                         if (!azx_dev->irq_pending ||
 707                             !s->substream ||
 708                             !s->running)
 709                                 continue;
 710                         ok = azx_position_ok(chip, azx_dev);
 711                         if (ok > 0) {
 712                                 azx_dev->irq_pending = 0;
 713                                 spin_unlock(&bus->reg_lock);
 714                                 snd_pcm_period_elapsed(s->substream);
 715                                 spin_lock(&bus->reg_lock);
 716                         } else if (ok < 0) {
 717                                 pending = 0;    /* too early */
 718                         } else
 719                                 pending++;
 720                 }
 721                 spin_unlock_irq(&bus->reg_lock);
 722                 if (!pending)
 723                         return;
 724                 msleep(1);
 725         }
 726 }
 727
 728 /* clear irq_pending flags and assure no on-going workq */
 729 static void azx_clear_irq_pending(struct azx *chip)
 730 {
 731         struct hdac_bus *bus = azx_bus(chip);
 732         struct hdac_stream *s;
 733
 734         spin_lock_irq(&bus->reg_lock);
 735         list_for_each_entry(s, &bus->stream_list, list) {
 736                 struct azx_dev *azx_dev = stream_to_azx_dev(s);
 737                 azx_dev->irq_pending = 0;
 738         }
 739         spin_unlock_irq(&bus->reg_lock);
 740 }
 741
 742 static int azx_acquire_irq(struct azx *chip, int do_disconnect)
 743 {
 744         struct hdac_bus *bus = azx_bus(chip);
 745
 746         if (request_irq(chip->pci->irq, azx_interrupt,
 747                         chip->msi ? 0 : IRQF_SHARED,
 748                         chip->card->irq_descr, chip)) {
 749                 dev_err(chip->card->dev,
 750                         "unable to grab IRQ %d, disabling device\n",
 751                         chip->pci->irq);
 752                 if (do_disconnect)
 753                         snd_card_disconnect(chip->card);
 754                 return -1;
 755         }
 756         bus->irq = chip->pci->irq;
 757         pci_intx(chip->pci, !chip->msi);
 758         return 0;
 759 }
 760
 761 /* get the current DMA position with correction on VIA chips */
 762 static unsigned int azx_via_get_position(struct azx *chip,
 763                                          struct azx_dev *azx_dev)
 764 {
 765         unsigned int link_pos, mini_pos, bound_pos;
 766         unsigned int mod_link_pos, mod_dma_pos, mod_mini_pos;
 767         unsigned int fifo_size;
 768
 769         link_pos = snd_hdac_stream_get_pos_lpib(azx_stream(azx_dev));
 770         if (azx_dev->core.substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 771                 /* Playback, no problem using link position */
 772                 return link_pos;
 773         }
 774
 775         /* Capture */
 776         /* For new chipset,
 777          * use mod to get the DMA position just like old chipset
 778          */
 779         mod_dma_pos = le32_to_cpu(*azx_dev->core.posbuf);
 780         mod_dma_pos %= azx_dev->core.period_bytes;
 781
 782         /* azx_dev->fifo_size can't get FIFO size of in stream.
 783          * Get from base address + offset.
 784          */
 785         fifo_size = readw(azx_bus(chip)->remap_addr +
 786                           VIA_IN_STREAM0_FIFO_SIZE_OFFSET);
 787
 788         if (azx_dev->insufficient) {
 789                 /* Link position never gather than FIFO size */
 790                 if (link_pos <= fifo_size)
 791                         return 0;
 792
 793                 azx_dev->insufficient = 0;
 794         }
 795
 796         if (link_pos <= fifo_size)
 797                 mini_pos = azx_dev->core.bufsize + link_pos - fifo_size;
 798         else
 799                 mini_pos = link_pos - fifo_size;
 800
 801         /* Find nearest previous boudary */
 802         mod_mini_pos = mini_pos % azx_dev->core.period_bytes;
 803         mod_link_pos = link_pos % azx_dev->core.period_bytes;
 804         if (mod_link_pos >= fifo_size)
 805                 bound_pos = link_pos - mod_link_pos;
 806         else if (mod_dma_pos >= mod_mini_pos)
 807                 bound_pos = mini_pos - mod_mini_pos;
 808         else {
 809                 bound_pos = mini_pos - mod_mini_pos + azx_dev->core.period_bytes;
 810                 if (bound_pos >= azx_dev->core.bufsize)
 811                         bound_pos = 0;
 812         }
 813
 814         /* Calculate real DMA position we want */
 815         return bound_pos + mod_dma_pos;
 816 }
 817
 818 #ifdef CONFIG_PM
 819 static DEFINE_MUTEX(card_list_lock);
 820 static LIST_HEAD(card_list);
 821
 822 static void azx_add_card_list(struct azx *chip)
 823 {
 824         struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
 825         mutex_lock(&card_list_lock);
 826         list_add(&hda->list, &card_list);
 827         mutex_unlock(&card_list_lock);
 828 }
 829
 830 static void azx_del_card_list(struct azx *chip)
 831 {
 832         struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
 833         mutex_lock(&card_list_lock);
 834         list_del_init(&hda->list);
 835         mutex_unlock(&card_list_lock);
 836 }
 837
 838 /* trigger power-save check at writing parameter */
 839 static int param_set_xint(const char *val, const struct kernel_param *kp)
 840 {
 841         struct hda_intel *hda;
 842         struct azx *chip;
 843         int prev = power_save;
 844         int ret = param_set_int(val, kp);
 845
 846         if (ret || prev == power_save)
 847                 return ret;
 848
 849         mutex_lock(&card_list_lock);
 850         list_for_each_entry(hda, &card_list, list) {
 851                 chip = &hda->chip;
 852                 if (!hda->probe_continued || chip->disabled)
 853                         continue;
 854                 snd_hda_set_power_save(&chip->bus, power_save * 1000);
 855         }
 856         mutex_unlock(&card_list_lock);
 857         return 0;
 858 }
 859 #else
 860 #define azx_add_card_list(chip) /* NOP */
 861 #define azx_del_card_list(chip) /* NOP */
 862 #endif /* CONFIG_PM */
 863
 864 #if defined(CONFIG_PM_SLEEP) || defined(SUPPORT_VGA_SWITCHEROO)
 865 /*
 866  * power management
 867  */
 868 static int azx_suspend(struct device *dev)
 869 {
 870         struct snd_card *card = dev_get_drvdata(dev);
 871         struct azx *chip;
 872         struct hda_intel *hda;
 873         struct hdac_bus *bus;
 874
 875         if (!card)
 876                 return 0;
 877
 878         chip = card->private_data;
 879         hda = container_of(chip, struct hda_intel, chip);
 880         if (chip->disabled || hda->init_failed || !chip->running)
 881                 return 0;
 882
 883         bus = azx_bus(chip);
 884         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
 885         azx_clear_irq_pending(chip);
 886         azx_stop_chip(chip);
 887         azx_enter_link_reset(chip);
 888         if (bus->irq >= 0) {
 889                 free_irq(bus->irq, chip);
 890                 bus->irq = -1;
 891         }
 892
 893         if (chip->msi)
 894                 pci_disable_msi(chip->pci);
 895         if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL
 896                 && hda->need_i915_power)
 897                 snd_hdac_display_power(bus, false);
 898
 899         trace_azx_suspend(chip);
 900         return 0;
 901 }
 902
 903 static int azx_resume(struct device *dev)
 904 {
 905         struct pci_dev *pci = to_pci_dev(dev);
 906         struct snd_card *card = dev_get_drvdata(dev);
 907         struct azx *chip;
 908         struct hda_intel *hda;
 909
 910         if (!card)
 911                 return 0;
 912
 913         chip = card->private_data;
 914         hda = container_of(chip, struct hda_intel, chip);
 915         if (chip->disabled || hda->init_failed || !chip->running)
 916                 return 0;
 917
 918         if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL
 919                 && hda->need_i915_power) {
 920                 snd_hdac_display_power(azx_bus(chip), true);
 921                 snd_hdac_i915_set_bclk(azx_bus(chip));
 922         }
 923         if (chip->msi)
 924                 if (pci_enable_msi(pci) < 0)
 925                         chip->msi = 0;
 926         if (azx_acquire_irq(chip, 1) < 0)
 927                 return -EIO;
 928         azx_init_pci(chip);
 929
 930         hda_intel_init_chip(chip, true);
 931
 932         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
 933
 934         trace_azx_resume(chip);
 935         return 0;
 936 }
 937 #endif /* CONFIG_PM_SLEEP || SUPPORT_VGA_SWITCHEROO */
 938
 939 #ifdef CONFIG_PM_SLEEP
 940 /* put codec down to D3 at hibernation for Intel SKL+;
 941  * otherwise BIOS may still access the codec and screw up the driver
 942  */
 943 static int azx_freeze_noirq(struct device *dev)
 944 {
 945         struct pci_dev *pci = to_pci_dev(dev);
 946
 947         if (IS_SKL_PLUS(pci))
 948                 pci_set_power_state(pci, PCI_D3hot);
 949
 950         return 0;
 951 }
 952
 953 static int azx_thaw_noirq(struct device *dev)
 954 {
 955         struct pci_dev *pci = to_pci_dev(dev);
 956
 957         if (IS_SKL_PLUS(pci))
 958                 pci_set_power_state(pci, PCI_D0);
 959
 960         return 0;
 961 }
 962 #endif /* CONFIG_PM_SLEEP */
 963
 964 #ifdef CONFIG_PM
 965 static int azx_runtime_suspend(struct device *dev)
 966 {
 967         struct snd_card *card = dev_get_drvdata(dev);
 968         struct azx *chip;
 969         struct hda_intel *hda;
 970
 971         if (!card)
 972                 return 0;
 973
 974         chip = card->private_data;
 975         hda = container_of(chip, struct hda_intel, chip);
 976         if (chip->disabled || hda->init_failed)
 977                 return 0;
 978
 979         if (!azx_has_pm_runtime(chip))
 980                 return 0;
 981
 982         /* enable controller wake up event */
 983         azx_writew(chip, WAKEEN, azx_readw(chip, WAKEEN) |
 984                   STATESTS_INT_MASK);
 985
 986         azx_stop_chip(chip);
 987         azx_enter_link_reset(chip);
 988         azx_clear_irq_pending(chip);
 989         if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL
 990                 && hda->need_i915_power)
 991                 snd_hdac_display_power(azx_bus(chip), false);
 992
 993         trace_azx_runtime_suspend(chip);
 994         return 0;
 995 }
 996
 997 static int azx_runtime_resume(struct device *dev)
 998 {
 999         struct snd_card *card = dev_get_drvdata(dev);
1000         struct azx *chip;
1001         struct hda_intel *hda;
1002         struct hdac_bus *bus;
1003         struct hda_codec *codec;
1004         int status;
1005
1006         if (!card)
1007                 return 0;
1008
1009         chip = card->private_data;
1010         hda = container_of(chip, struct hda_intel, chip);
1011         if (chip->disabled || hda->init_failed)
1012                 return 0;
1013
1014         if (!azx_has_pm_runtime(chip))
1015                 return 0;
1016
1017         if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) {
1018                 bus = azx_bus(chip);
1019                 if (hda->need_i915_power) {
1020                         snd_hdac_display_power(bus, true);
1021                         snd_hdac_i915_set_bclk(bus);
1022                 } else {
1023                         /* toggle codec wakeup bit for STATESTS read */
1024                         snd_hdac_set_codec_wakeup(bus, true);
1025                         snd_hdac_set_codec_wakeup(bus, false);
1026                 }
1027         }
1028
1029         /* Read STATESTS before controller reset */
1030         status = azx_readw(chip, STATESTS);
1031
1032         azx_init_pci(chip);
1033         hda_intel_init_chip(chip, true);
1034
1035         if (status) {
1036                 list_for_each_codec(codec, &chip->bus)
1037                         if (status & (1 << codec->addr))
1038                                 schedule_delayed_work(&codec->jackpoll_work,
1039                                                       codec->jackpoll_interval);
1040         }
1041
1042         /* disable controller Wake Up event*/
1043         azx_writew(chip, WAKEEN, azx_readw(chip, WAKEEN) &
1044                         ~STATESTS_INT_MASK);
1045
1046         trace_azx_runtime_resume(chip);
1047         return 0;
1048 }
1049
1050 static int azx_runtime_idle(struct device *dev)
1051 {
1052         struct snd_card *card = dev_get_drvdata(dev);
1053         struct azx *chip;
1054         struct hda_intel *hda;
1055
1056         if (!card)
1057                 return 0;
1058
1059         chip = card->private_data;
1060         hda = container_of(chip, struct hda_intel, chip);
1061         if (chip->disabled || hda->init_failed)
1062                 return 0;
1063
1064         if (!power_save_controller || !azx_has_pm_runtime(chip) ||
1065             azx_bus(chip)->codec_powered || !chip->running)
1066                 return -EBUSY;
1067
1068         return 0;
1069 }
1070
1071 static const struct dev_pm_ops azx_pm = {
1072         SET_SYSTEM_SLEEP_PM_OPS(azx_suspend, azx_resume)
1073 #ifdef CONFIG_PM_SLEEP
1074         .freeze_noirq = azx_freeze_noirq,
1075         .thaw_noirq = azx_thaw_noirq,
1076 #endif
1077         SET_RUNTIME_PM_OPS(azx_runtime_suspend, azx_runtime_resume, azx_runtime_idle)
1078 };
1079
1080 #define AZX_PM_OPS      &azx_pm
1081 #else
1082 #define AZX_PM_OPS      NULL
1083 #endif /* CONFIG_PM */
1084
1085
1086 static int azx_probe_continue(struct azx *chip);
1087
1088 #ifdef SUPPORT_VGA_SWITCHEROO
1089 static struct pci_dev *get_bound_vga(struct pci_dev *pci);
1090
1091 static void azx_vs_set_state(struct pci_dev *pci,
1092                              enum vga_switcheroo_state state)
1093 {
1094         struct snd_card *card = pci_get_drvdata(pci);
1095         struct azx *chip = card->private_data;
1096         struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1097         bool disabled;
1098
1099         wait_for_completion(&hda->probe_wait);
1100         if (hda->init_failed)
1101                 return;
1102
1103         disabled = (state == VGA_SWITCHEROO_OFF);
1104         if (chip->disabled == disabled)
1105                 return;
1106
1107         if (!hda->probe_continued) {
1108                 chip->disabled = disabled;
1109                 if (!disabled) {
1110                         dev_info(chip->card->dev,
1111                                  "Start delayed initialization\n");
1112                         if (azx_probe_continue(chip) < 0) {
1113                                 dev_err(chip->card->dev, "initialization error\n");
1114                                 hda->init_failed = true;
1115                         }
1116                 }
1117         } else {
1118                 dev_info(chip->card->dev, "%s via vga_switcheroo\n",
1119                          disabled ? "Disabling" : "Enabling");
1120                 if (disabled) {
1121                         pm_runtime_put_sync_suspend(card->dev);
1122                         azx_suspend(card->dev);
1123                         /* when we get suspended by vga_switcheroo we end up in D3cold,
1124                          * however we have no ACPI handle, so pci/acpi can't put us there,
1125                          * put ourselves there */
1126                         pci->current_state = PCI_D3cold;
1127                         chip->disabled = true;
1128                         if (snd_hda_lock_devices(&chip->bus))
1129                                 dev_warn(chip->card->dev,
1130                                          "Cannot lock devices!\n");
1131                 } else {
1132                         snd_hda_unlock_devices(&chip->bus);
1133                         pm_runtime_get_noresume(card->dev);
1134                         chip->disabled = false;
1135                         azx_resume(card->dev);
1136                 }
1137         }
1138 }
1139
1140 static bool azx_vs_can_switch(struct pci_dev *pci)
1141 {
1142         struct snd_card *card = pci_get_drvdata(pci);
1143         struct azx *chip = card->private_data;
1144         struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1145
1146         wait_for_completion(&hda->probe_wait);
1147         if (hda->init_failed)
1148                 return false;
1149         if (chip->disabled || !hda->probe_continued)
1150                 return true;
1151         if (snd_hda_lock_devices(&chip->bus))
1152                 return false;
1153         snd_hda_unlock_devices(&chip->bus);
1154         return true;
1155 }
1156
1157 static void init_vga_switcheroo(struct azx *chip)
1158 {
1159         struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1160         struct pci_dev *p = get_bound_vga(chip->pci);
1161         if (p) {
1162                 dev_info(chip->card->dev,
1163                          "Handle vga_switcheroo audio client\n");
1164                 hda->use_vga_switcheroo = 1;
1165                 pci_dev_put(p);
1166         }
1167 }
1168
1169 static const struct vga_switcheroo_client_ops azx_vs_ops = {
1170         .set_gpu_state = azx_vs_set_state,
1171         .can_switch = azx_vs_can_switch,
1172 };
1173
1174 static int register_vga_switcheroo(struct azx *chip)
1175 {
1176         struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1177         int err;
1178
1179         if (!hda->use_vga_switcheroo)
1180                 return 0;
1181         /* FIXME: currently only handling DIS controller
1182          * is there any machine with two switchable HDMI audio controllers?
1183          */
1184         err = vga_switcheroo_register_audio_client(chip->pci, &azx_vs_ops,
1185                                                    VGA_SWITCHEROO_DIS);
1186         if (err < 0)
1187                 return err;
1188         hda->vga_switcheroo_registered = 1;
1189
1190         /* register as an optimus hdmi audio power domain */
1191         vga_switcheroo_init_domain_pm_optimus_hdmi_audio(chip->card->dev,
1192                                                          &hda->hdmi_pm_domain);
1193         return 0;
1194 }
1195 #else
1196 #define init_vga_switcheroo(chip)               /* NOP */
1197 #define register_vga_switcheroo(chip)           0
1198 #define check_hdmi_disabled(pci)        false
1199 #endif /* SUPPORT_VGA_SWITCHER */
1200
1201 /*
1202  * destructor
1203  */
1204 static int azx_free(struct azx *chip)
1205 {
1206         struct pci_dev *pci = chip->pci;
1207         struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1208         struct hdac_bus *bus = azx_bus(chip);
1209
1210         if (azx_has_pm_runtime(chip) && chip->running)
1211                 pm_runtime_get_noresume(&pci->dev);
1212
1213         azx_del_card_list(chip);
1214
1215         hda->init_failed = 1; /* to be sure */
1216         complete_all(&hda->probe_wait);
1217
1218         if (use_vga_switcheroo(hda)) {
1219                 if (chip->disabled && hda->probe_continued)
1220                         snd_hda_unlock_devices(&chip->bus);
1221                 if (hda->vga_switcheroo_registered)
1222                         vga_switcheroo_unregister_client(chip->pci);
1223         }
1224
1225         if (bus->chip_init) {
1226                 azx_clear_irq_pending(chip);
1227                 azx_stop_all_streams(chip);
1228                 azx_stop_chip(chip);
1229         }
1230
1231         if (bus->irq >= 0)
1232                 free_irq(bus->irq, (void*)chip);
1233         if (chip->msi)
1234                 pci_disable_msi(chip->pci);
1235         iounmap(bus->remap_addr);
1236
1237         azx_free_stream_pages(chip);
1238         azx_free_streams(chip);
1239         snd_hdac_bus_exit(bus);
1240
1241         if (chip->region_requested)
1242                 pci_release_regions(chip->pci);
1243
1244         pci_disable_device(chip->pci);
1245 #ifdef CONFIG_SND_HDA_PATCH_LOADER
1246         release_firmware(chip->fw);
1247 #endif
1248
1249         if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) {
1250                 if (hda->need_i915_power)
1251                         snd_hdac_display_power(bus, false);
1252                 snd_hdac_i915_exit(bus);
1253         }
1254         kfree(hda);
1255
1256         return 0;
1257 }
1258
1259 static int azx_dev_disconnect(struct snd_device *device)
1260 {
1261         struct azx *chip = device->device_data;
1262
1263         chip->bus.shutdown = 1;
1264         return 0;
1265 }
1266
1267 static int azx_dev_free(struct snd_device *device)
1268 {
1269         return azx_free(device->device_data);
1270 }
1271
1272 #ifdef SUPPORT_VGA_SWITCHEROO
1273 /*
1274  * Check of disabled HDMI controller by vga_switcheroo
1275  */
1276 static struct pci_dev *get_bound_vga(struct pci_dev *pci)
1277 {
1278         struct pci_dev *p;
1279
1280         /* check only discrete GPU */
1281         switch (pci->vendor) {
1282         case PCI_VENDOR_ID_ATI:
1283         case PCI_VENDOR_ID_AMD:
1284         case PCI_VENDOR_ID_NVIDIA:
1285                 if (pci->devfn == 1) {
1286                         p = pci_get_domain_bus_and_slot(pci_domain_nr(pci->bus),
1287                                                         pci->bus->number, 0);
1288                         if (p) {
1289                                 if ((p->class >> 8) == PCI_CLASS_DISPLAY_VGA)
1290                                         return p;
1291                                 pci_dev_put(p);
1292                         }
1293                 }
1294                 break;
1295         }
1296         return NULL;
1297 }
1298
1299 static bool check_hdmi_disabled(struct pci_dev *pci)
1300 {
1301         bool vga_inactive = false;
1302         struct pci_dev *p = get_bound_vga(pci);
1303
1304         if (p) {
1305                 if (vga_switcheroo_get_client_state(p) == VGA_SWITCHEROO_OFF)
1306                         vga_inactive = true;
1307                 pci_dev_put(p);
1308         }
1309         return vga_inactive;
1310 }
1311 #endif /* SUPPORT_VGA_SWITCHEROO */
1312
1313 /*
1314  * white/black-listing for position_fix
1315  */
1316 static struct snd_pci_quirk position_fix_list[] = {
1317         SND_PCI_QUIRK(0x1028, 0x01cc, "Dell D820", POS_FIX_LPIB),
1318         SND_PCI_QUIRK(0x1028, 0x01de, "Dell Precision 390", POS_FIX_LPIB),
1319         SND_PCI_QUIRK(0x103c, 0x306d, "HP dv3", POS_FIX_LPIB),
1320         SND_PCI_QUIRK(0x1043, 0x813d, "ASUS P5AD2", POS_FIX_LPIB),
1321         SND_PCI_QUIRK(0x1043, 0x81b3, "ASUS", POS_FIX_LPIB),
1322         SND_PCI_QUIRK(0x1043, 0x81e7, "ASUS M2V", POS_FIX_LPIB),
1323         SND_PCI_QUIRK(0x104d, 0x9069, "Sony VPCS11V9E", POS_FIX_LPIB),
1324         SND_PCI_QUIRK(0x10de, 0xcb89, "Macbook Pro 7,1", POS_FIX_LPIB),
1325         SND_PCI_QUIRK(0x1297, 0x3166, "Shuttle", POS_FIX_LPIB),
1326         SND_PCI_QUIRK(0x1458, 0xa022, "ga-ma770-ud3", POS_FIX_LPIB),
1327         SND_PCI_QUIRK(0x1462, 0x1002, "MSI Wind U115", POS_FIX_LPIB),
1328         SND_PCI_QUIRK(0x1565, 0x8218, "Biostar Microtech", POS_FIX_LPIB),
1329         SND_PCI_QUIRK(0x1849, 0x0888, "775Dual-VSTA", POS_FIX_LPIB),
1330         SND_PCI_QUIRK(0x8086, 0x2503, "DG965OT AAD63733-203", POS_FIX_LPIB),
1331         {}
1332 };
1333
1334 static int check_position_fix(struct azx *chip, int fix)
1335 {
1336         const struct snd_pci_quirk *q;
1337
1338         switch (fix) {
1339         case POS_FIX_AUTO:
1340         case POS_FIX_LPIB:
1341         case POS_FIX_POSBUF:
1342         case POS_FIX_VIACOMBO:
1343         case POS_FIX_COMBO:
1344                 return fix;
1345         }
1346
1347         q = snd_pci_quirk_lookup(chip->pci, position_fix_list);
1348         if (q) {
1349                 dev_info(chip->card->dev,
1350                          "position_fix set to %d for device %04x:%04x\n",
1351                          q->value, q->subvendor, q->subdevice);
1352                 return q->value;
1353         }
1354
1355         /* Check VIA/ATI HD Audio Controller exist */
1356         if (chip->driver_type == AZX_DRIVER_VIA) {
1357                 dev_dbg(chip->card->dev, "Using VIACOMBO position fix\n");
1358                 return POS_FIX_VIACOMBO;
1359         }
1360         if (chip->driver_caps & AZX_DCAPS_POSFIX_LPIB) {
1361                 dev_dbg(chip->card->dev, "Using LPIB position fix\n");
1362                 return POS_FIX_LPIB;
1363         }
1364         return POS_FIX_AUTO;
1365 }
1366
1367 static void assign_position_fix(struct azx *chip, int fix)
1368 {
1369         static azx_get_pos_callback_t callbacks[] = {
1370                 [POS_FIX_AUTO] = NULL,
1371                 [POS_FIX_LPIB] = azx_get_pos_lpib,
1372                 [POS_FIX_POSBUF] = azx_get_pos_posbuf,
1373                 [POS_FIX_VIACOMBO] = azx_via_get_position,
1374                 [POS_FIX_COMBO] = azx_get_pos_lpib,
1375         };
1376
1377         chip->get_position[0] = chip->get_position[1] = callbacks[fix];
1378
1379         /* combo mode uses LPIB only for playback */
1380         if (fix == POS_FIX_COMBO)
1381                 chip->get_position[1] = NULL;
1382
1383         if (fix == POS_FIX_POSBUF &&
1384             (chip->driver_caps & AZX_DCAPS_COUNT_LPIB_DELAY)) {
1385                 chip->get_delay[0] = chip->get_delay[1] =
1386                         azx_get_delay_from_lpib;
1387         }
1388
1389 }
1390
1391 /*
1392  * black-lists for probe_mask
1393  */
1394 static struct snd_pci_quirk probe_mask_list[] = {
1395         /* Thinkpad often breaks the controller communication when accessing
1396          * to the non-working (or non-existing) modem codec slot.
1397          */
1398         SND_PCI_QUIRK(0x1014, 0x05b7, "Thinkpad Z60", 0x01),
1399         SND_PCI_QUIRK(0x17aa, 0x2010, "Thinkpad X/T/R60", 0x01),
1400         SND_PCI_QUIRK(0x17aa, 0x20ac, "Thinkpad X/T/R61", 0x01),
1401         /* broken BIOS */
1402         SND_PCI_QUIRK(0x1028, 0x20ac, "Dell Studio Desktop", 0x01),
1403         /* including bogus ALC268 in slot#2 that conflicts with ALC888 */
1404         SND_PCI_QUIRK(0x17c0, 0x4085, "Medion MD96630", 0x01),
1405         /* forced codec slots */
1406         SND_PCI_QUIRK(0x1043, 0x1262, "ASUS W5Fm", 0x103),
1407         SND_PCI_QUIRK(0x1046, 0x1262, "ASUS W5F", 0x103),
1408         /* WinFast VP200 H (Teradici) user reported broken communication */
1409         SND_PCI_QUIRK(0x3a21, 0x040d, "WinFast VP200 H", 0x101),
1410         {}
1411 };
1412
1413 #define AZX_FORCE_CODEC_MASK    0x100
1414
1415 static void check_probe_mask(struct azx *chip, int dev)
1416 {
1417         const struct snd_pci_quirk *q;
1418
1419         chip->codec_probe_mask = probe_mask[dev];
1420         if (chip->codec_probe_mask == -1) {
1421                 q = snd_pci_quirk_lookup(chip->pci, probe_mask_list);
1422                 if (q) {
1423                         dev_info(chip->card->dev,
1424                                  "probe_mask set to 0x%x for device %04x:%04x\n",
1425                                  q->value, q->subvendor, q->subdevice);
1426                         chip->codec_probe_mask = q->value;
1427                 }
1428         }
1429
1430         /* check forced option */
1431         if (chip->codec_probe_mask != -1 &&
1432             (chip->codec_probe_mask & AZX_FORCE_CODEC_MASK)) {
1433                 azx_bus(chip)->codec_mask = chip->codec_probe_mask & 0xff;
1434                 dev_info(chip->card->dev, "codec_mask forced to 0x%x\n",
1435                          (int)azx_bus(chip)->codec_mask);
1436         }
1437 }
1438
1439 /*
1440  * white/black-list for enable_msi
1441  */
1442 static struct snd_pci_quirk msi_black_list[] = {
1443         SND_PCI_QUIRK(0x103c, 0x2191, "HP", 0), /* AMD Hudson */
1444         SND_PCI_QUIRK(0x103c, 0x2192, "HP", 0), /* AMD Hudson */
1445         SND_PCI_QUIRK(0x103c, 0x21f7, "HP", 0), /* AMD Hudson */
1446         SND_PCI_QUIRK(0x103c, 0x21fa, "HP", 0), /* AMD Hudson */
1447         SND_PCI_QUIRK(0x1043, 0x81f2, "ASUS", 0), /* Athlon64 X2 + nvidia */
1448         SND_PCI_QUIRK(0x1043, 0x81f6, "ASUS", 0), /* nvidia */
1449         SND_PCI_QUIRK(0x1043, 0x822d, "ASUS", 0), /* Athlon64 X2 + nvidia MCP55 */
1450         SND_PCI_QUIRK(0x1179, 0xfb44, "Toshiba Satellite C870", 0), /* AMD Hudson */
1451         SND_PCI_QUIRK(0x1849, 0x0888, "ASRock", 0), /* Athlon64 X2 + nvidia */
1452         SND_PCI_QUIRK(0xa0a0, 0x0575, "Aopen MZ915-M", 0), /* ICH6 */
1453         {}
1454 };
1455
1456 static void check_msi(struct azx *chip)
1457 {
1458         const struct snd_pci_quirk *q;
1459
1460         if (enable_msi >= 0) {
1461                 chip->msi = !!enable_msi;
1462                 return;
1463         }
1464         chip->msi = 1;  /* enable MSI as default */
1465         q = snd_pci_quirk_lookup(chip->pci, msi_black_list);
1466         if (q) {
1467                 dev_info(chip->card->dev,
1468                          "msi for device %04x:%04x set to %d\n",
1469                          q->subvendor, q->subdevice, q->value);
1470                 chip->msi = q->value;
1471                 return;
1472         }
1473
1474         /* NVidia chipsets seem to cause troubles with MSI */
1475         if (chip->driver_caps & AZX_DCAPS_NO_MSI) {
1476                 dev_info(chip->card->dev, "Disabling MSI\n");
1477                 chip->msi = 0;
1478         }
1479 }
1480
1481 /* check the snoop mode availability */
1482 static void azx_check_snoop_available(struct azx *chip)
1483 {
1484         int snoop = hda_snoop;
1485
1486         if (snoop >= 0) {
1487                 dev_info(chip->card->dev, "Force to %s mode by module option\n",
1488                          snoop ? "snoop" : "non-snoop");
1489                 chip->snoop = snoop;
1490                 return;
1491         }
1492
1493         snoop = true;
1494         if (azx_get_snoop_type(chip) == AZX_SNOOP_TYPE_NONE &&
1495             chip->driver_type == AZX_DRIVER_VIA) {
1496                 /* force to non-snoop mode for a new VIA controller
1497                  * when BIOS is set
1498                  */
1499                 u8 val;
1500                 pci_read_config_byte(chip->pci, 0x42, &val);
1501                 if (!(val & 0x80) && chip->pci->revision == 0x30)
1502                         snoop = false;
1503         }
1504
1505         if (chip->driver_caps & AZX_DCAPS_SNOOP_OFF)
1506                 snoop = false;
1507
1508         chip->snoop = snoop;
1509         if (!snoop)
1510                 dev_info(chip->card->dev, "Force to non-snoop mode\n");
1511 }
1512
1513 static void azx_probe_work(struct work_struct *work)
1514 {
1515         struct hda_intel *hda = container_of(work, struct hda_intel, probe_work);
1516         azx_probe_continue(&hda->chip);
1517 }
1518
1519 static int default_bdl_pos_adj(struct azx *chip)
1520 {
1521         /* some exceptions: Atoms seem problematic with value 1 */
1522         if (chip->pci->vendor == PCI_VENDOR_ID_INTEL) {
1523                 switch (chip->pci->device) {
1524                 case 0x0f04: /* Baytrail */
1525                 case 0x2284: /* Braswell */
1526                         return 32;
1527                 }
1528         }
1529
1530         switch (chip->driver_type) {
1531         case AZX_DRIVER_ICH:
1532         case AZX_DRIVER_PCH:
1533                 return 1;
1534         default:
1535                 return 32;
1536         }
1537 }
1538
1539 /*
1540  * constructor
1541  */
1542 static const struct hdac_io_ops pci_hda_io_ops;
1543 static const struct hda_controller_ops pci_hda_ops;
1544
1545 static int azx_create(struct snd_card *card, struct pci_dev *pci,
1546                       int dev, unsigned int driver_caps,
1547                       struct azx **rchip)
1548 {
1549         static struct snd_device_ops ops = {
1550                 .dev_disconnect = azx_dev_disconnect,
1551                 .dev_free = azx_dev_free,
1552         };
1553         struct hda_intel *hda;
1554         struct azx *chip;
1555         int err;
1556
1557         *rchip = NULL;
1558
1559         err = pci_enable_device(pci);
1560         if (err < 0)
1561                 return err;
1562
1563         hda = kzalloc(sizeof(*hda), GFP_KERNEL);
1564         if (!hda) {
1565                 pci_disable_device(pci);
1566                 return -ENOMEM;
1567         }
1568
1569         chip = &hda->chip;
1570         mutex_init(&chip->open_mutex);
1571         chip->card = card;
1572         chip->pci = pci;
1573         chip->ops = &pci_hda_ops;
1574         chip->driver_caps = driver_caps;
1575         chip->driver_type = driver_caps & 0xff;
1576         check_msi(chip);
1577         chip->dev_index = dev;
1578         chip->jackpoll_ms = jackpoll_ms;
1579         INIT_LIST_HEAD(&chip->pcm_list);
1580         INIT_WORK(&hda->irq_pending_work, azx_irq_pending_work);
1581         INIT_LIST_HEAD(&hda->list);
1582         init_vga_switcheroo(chip);
1583         init_completion(&hda->probe_wait);
1584
1585         assign_position_fix(chip, check_position_fix(chip, position_fix[dev]));
1586
1587         check_probe_mask(chip, dev);
1588
1589         chip->single_cmd = single_cmd;
1590         azx_check_snoop_available(chip);
1591
1592         if (bdl_pos_adj[dev] < 0)
1593                 chip->bdl_pos_adj = default_bdl_pos_adj(chip);
1594         else
1595                 chip->bdl_pos_adj = bdl_pos_adj[dev];
1596
1597         err = azx_bus_init(chip, model[dev], &pci_hda_io_ops);
1598         if (err < 0) {
1599                 kfree(hda);
1600                 pci_disable_device(pci);
1601                 return err;
1602         }
1603
1604         if (chip->driver_type == AZX_DRIVER_NVIDIA) {
1605                 dev_dbg(chip->card->dev, "Enable delay in RIRB handling\n");
1606                 chip->bus.needs_damn_long_delay = 1;
1607         }
1608
1609         err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
1610         if (err < 0) {
1611                 dev_err(card->dev, "Error creating device [card]!\n");
1612                 azx_free(chip);
1613                 return err;
1614         }
1615
1616         /* continue probing in work context as may trigger request module */
1617         INIT_WORK(&hda->probe_work, azx_probe_work);
1618
1619         *rchip = chip;
1620
1621         return 0;
1622 }
1623
1624 static int azx_first_init(struct azx *chip)
1625 {
1626         int dev = chip->dev_index;
1627         struct pci_dev *pci = chip->pci;
1628         struct snd_card *card = chip->card;
1629         struct hdac_bus *bus = azx_bus(chip);
1630         int err;
1631         unsigned short gcap;
1632         unsigned int dma_bits = 64;
1633
1634 #if BITS_PER_LONG != 64
1635         /* Fix up base address on ULI M5461 */
1636         if (chip->driver_type == AZX_DRIVER_ULI) {
1637                 u16 tmp3;
1638                 pci_read_config_word(pci, 0x40, &tmp3);
1639                 pci_write_config_word(pci, 0x40, tmp3 | 0x10);
1640                 pci_write_config_dword(pci, PCI_BASE_ADDRESS_1, 0);
1641         }
1642 #endif
1643
1644         err = pci_request_regions(pci, "ICH HD audio");
1645         if (err < 0)
1646                 return err;
1647         chip->region_requested = 1;
1648
1649         bus->addr = pci_resource_start(pci, 0);
1650         bus->remap_addr = pci_ioremap_bar(pci, 0);
1651         if (bus->remap_addr == NULL) {
1652                 dev_err(card->dev, "ioremap error\n");
1653                 return -ENXIO;
1654         }
1655
1656         if (chip->msi) {
1657                 if (chip->driver_caps & AZX_DCAPS_NO_MSI64) {
1658                         dev_dbg(card->dev, "Disabling 64bit MSI\n");
1659                         pci->no_64bit_msi = true;
1660                 }
1661                 if (pci_enable_msi(pci) < 0)
1662                         chip->msi = 0;
1663         }
1664
1665         if (azx_acquire_irq(chip, 0) < 0)
1666                 return -EBUSY;
1667
1668         pci_set_master(pci);
1669         synchronize_irq(bus->irq);
1670
1671         gcap = azx_readw(chip, GCAP);
1672         dev_dbg(card->dev, "chipset global capabilities = 0x%x\n", gcap);
1673
1674         /* AMD devices support 40 or 48bit DMA, take the safe one */
1675         if (chip->pci->vendor == PCI_VENDOR_ID_AMD)
1676                 dma_bits = 40;
1677
1678         /* disable SB600 64bit support for safety */
1679         if (chip->pci->vendor == PCI_VENDOR_ID_ATI) {
1680                 struct pci_dev *p_smbus;
1681                 dma_bits = 40;
1682                 p_smbus = pci_get_device(PCI_VENDOR_ID_ATI,
1683                                          PCI_DEVICE_ID_ATI_SBX00_SMBUS,
1684                                          NULL);
1685                 if (p_smbus) {
1686                         if (p_smbus->revision < 0x30)
1687                                 gcap &= ~AZX_GCAP_64OK;
1688                         pci_dev_put(p_smbus);
1689                 }
1690         }
1691
1692         /* disable 64bit DMA address on some devices */
1693         if (chip->driver_caps & AZX_DCAPS_NO_64BIT) {
1694                 dev_dbg(card->dev, "Disabling 64bit DMA\n");
1695                 gcap &= ~AZX_GCAP_64OK;
1696         }
1697
1698         /* disable buffer size rounding to 128-byte multiples if supported */
1699         if (align_buffer_size >= 0)
1700                 chip->align_buffer_size = !!align_buffer_size;
1701         else {
1702                 if (chip->driver_caps & AZX_DCAPS_NO_ALIGN_BUFSIZE)
1703                         chip->align_buffer_size = 0;
1704                 else
1705                         chip->align_buffer_size = 1;
1706         }
1707
1708         /* allow 64bit DMA address if supported by H/W */
1709         if (!(gcap & AZX_GCAP_64OK))
1710                 dma_bits = 32;
1711         if (!dma_set_mask(&pci->dev, DMA_BIT_MASK(dma_bits))) {
1712                 dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(dma_bits));
1713         } else {
1714                 dma_set_mask(&pci->dev, DMA_BIT_MASK(32));
1715                 dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(32));
1716         }
1717
1718         /* read number of streams from GCAP register instead of using
1719          * hardcoded value
1720          */
1721         chip->capture_streams = (gcap >> 8) & 0x0f;
1722         chip->playback_streams = (gcap >> 12) & 0x0f;
1723         if (!chip->playback_streams && !chip->capture_streams) {
1724                 /* gcap didn't give any info, switching to old method */
1725
1726                 switch (chip->driver_type) {
1727                 case AZX_DRIVER_ULI:
1728                         chip->playback_streams = ULI_NUM_PLAYBACK;
1729                         chip->capture_streams = ULI_NUM_CAPTURE;
1730                         break;
1731                 case AZX_DRIVER_ATIHDMI:
1732                 case AZX_DRIVER_ATIHDMI_NS:
1733                         chip->playback_streams = ATIHDMI_NUM_PLAYBACK;
1734                         chip->capture_streams = ATIHDMI_NUM_CAPTURE;
1735                         break;
1736                 case AZX_DRIVER_GENERIC:
1737                 default:
1738                         chip->playback_streams = ICH6_NUM_PLAYBACK;
1739                         chip->capture_streams = ICH6_NUM_CAPTURE;
1740                         break;
1741                 }
1742         }
1743         chip->capture_index_offset = 0;
1744         chip->playback_index_offset = chip->capture_streams;
1745         chip->num_streams = chip->playback_streams + chip->capture_streams;
1746
1747         /* initialize streams */
1748         err = azx_init_streams(chip);
1749         if (err < 0)
1750                 return err;
1751
1752         err = azx_alloc_stream_pages(chip);
1753         if (err < 0)
1754                 return err;
1755
1756         /* initialize chip */
1757         azx_init_pci(chip);
1758
1759         if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL)
1760                 snd_hdac_i915_set_bclk(bus);
1761
1762         hda_intel_init_chip(chip, (probe_only[dev] & 2) == 0);
1763
1764         /* codec detection */
1765         if (!azx_bus(chip)->codec_mask) {
1766                 dev_err(card->dev, "no codecs found!\n");
1767                 return -ENODEV;
1768         }
1769
1770         strcpy(card->driver, "HDA-Intel");
1771         strlcpy(card->shortname, driver_short_names[chip->driver_type],
1772                 sizeof(card->shortname));
1773         snprintf(card->longname, sizeof(card->longname),
1774                  "%s at 0x%lx irq %i",
1775                  card->shortname, bus->addr, bus->irq);
1776
1777         return 0;
1778 }
1779
1780 #ifdef CONFIG_SND_HDA_PATCH_LOADER
1781 /* callback from request_firmware_nowait() */
1782 static void azx_firmware_cb(const struct firmware *fw, void *context)
1783 {
1784         struct snd_card *card = context;
1785         struct azx *chip = card->private_data;
1786         struct pci_dev *pci = chip->pci;
1787
1788         if (!fw) {
1789                 dev_err(card->dev, "Cannot load firmware, aborting\n");
1790                 goto error;
1791         }
1792
1793         chip->fw = fw;
1794         if (!chip->disabled) {
1795                 /* continue probing */
1796                 if (azx_probe_continue(chip))
1797                         goto error;
1798         }
1799         return; /* OK */
1800
1801  error:
1802         snd_card_free(card);
1803         pci_set_drvdata(pci, NULL);
1804 }
1805 #endif
1806
1807 /*
1808  * HDA controller ops.
1809  */
1810
1811 /* PCI register access. */
1812 static void pci_azx_writel(u32 value, u32 __iomem *addr)
1813 {
1814         writel(value, addr);
1815 }
1816
1817 static u32 pci_azx_readl(u32 __iomem *addr)
1818 {
1819         return readl(addr);
1820 }
1821
1822 static void pci_azx_writew(u16 value, u16 __iomem *addr)
1823 {
1824         writew(value, addr);
1825 }
1826
1827 static u16 pci_azx_readw(u16 __iomem *addr)
1828 {
1829         return readw(addr);
1830 }
1831
1832 static void pci_azx_writeb(u8 value, u8 __iomem *addr)
1833 {
1834         writeb(value, addr);
1835 }
1836
1837 static u8 pci_azx_readb(u8 __iomem *addr)
1838 {
1839         return readb(addr);
1840 }
1841
1842 static int disable_msi_reset_irq(struct azx *chip)
1843 {
1844         struct hdac_bus *bus = azx_bus(chip);
1845         int err;
1846
1847         free_irq(bus->irq, chip);
1848         bus->irq = -1;
1849         pci_disable_msi(chip->pci);
1850         chip->msi = 0;
1851         err = azx_acquire_irq(chip, 1);
1852         if (err < 0)
1853                 return err;
1854
1855         return 0;
1856 }
1857
1858 /* DMA page allocation helpers.  */
1859 static int dma_alloc_pages(struct hdac_bus *bus,
1860                            int type,
1861                            size_t size,
1862                            struct snd_dma_buffer *buf)
1863 {
1864         struct azx *chip = bus_to_azx(bus);
1865         int err;
1866
1867         err = snd_dma_alloc_pages(type,
1868                                   bus->dev,
1869                                   size, buf);
1870         if (err < 0)
1871                 return err;
1872         mark_pages_wc(chip, buf, true);
1873         return 0;
1874 }
1875
1876 static void dma_free_pages(struct hdac_bus *bus, struct snd_dma_buffer *buf)
1877 {
1878         struct azx *chip = bus_to_azx(bus);
1879
1880         mark_pages_wc(chip, buf, false);
1881         snd_dma_free_pages(buf);
1882 }
1883
1884 static int substream_alloc_pages(struct azx *chip,
1885                                  struct snd_pcm_substream *substream,
1886                                  size_t size)
1887 {
1888         struct azx_dev *azx_dev = get_azx_dev(substream);
1889         int ret;
1890
1891         mark_runtime_wc(chip, azx_dev, substream, false);
1892         ret = snd_pcm_lib_malloc_pages(substream, size);
1893         if (ret < 0)
1894                 return ret;
1895         mark_runtime_wc(chip, azx_dev, substream, true);
1896         return 0;
1897 }
1898
1899 static int substream_free_pages(struct azx *chip,
1900                                 struct snd_pcm_substream *substream)
1901 {
1902         struct azx_dev *azx_dev = get_azx_dev(substream);
1903         mark_runtime_wc(chip, azx_dev, substream, false);
1904         return snd_pcm_lib_free_pages(substream);
1905 }
1906
1907 static void pcm_mmap_prepare(struct snd_pcm_substream *substream,
1908                              struct vm_area_struct *area)
1909 {
1910 #ifdef CONFIG_X86
1911         struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1912         struct azx *chip = apcm->chip;
1913         if (!azx_snoop(chip) && chip->driver_type != AZX_DRIVER_CMEDIA)
1914                 area->vm_page_prot = pgprot_writecombine(area->vm_page_prot);
1915 #endif
1916 }
1917
1918 static const struct hdac_io_ops pci_hda_io_ops = {
1919         .reg_writel = pci_azx_writel,
1920         .reg_readl = pci_azx_readl,
1921         .reg_writew = pci_azx_writew,
1922         .reg_readw = pci_azx_readw,
1923         .reg_writeb = pci_azx_writeb,
1924         .reg_readb = pci_azx_readb,
1925         .dma_alloc_pages = dma_alloc_pages,
1926         .dma_free_pages = dma_free_pages,
1927 };
1928
1929 static const struct hda_controller_ops pci_hda_ops = {
1930         .disable_msi_reset_irq = disable_msi_reset_irq,
1931         .substream_alloc_pages = substream_alloc_pages,
1932         .substream_free_pages = substream_free_pages,
1933         .pcm_mmap_prepare = pcm_mmap_prepare,
1934         .position_check = azx_position_check,
1935         .link_power = azx_intel_link_power,
1936 };
1937
1938 static int azx_probe(struct pci_dev *pci,
1939                      const struct pci_device_id *pci_id)
1940 {
1941         static int dev;
1942         struct snd_card *card;
1943         struct hda_intel *hda;
1944         struct azx *chip;
1945         bool schedule_probe;
1946         int err;
1947
1948         if (dev >= SNDRV_CARDS)
1949                 return -ENODEV;
1950         if (!enable[dev]) {
1951                 dev++;
1952                 return -ENOENT;
1953         }
1954
1955         err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
1956                            0, &card);
1957         if (err < 0) {
1958                 dev_err(&pci->dev, "Error creating card!\n");
1959                 return err;
1960         }
1961
1962         err = azx_create(card, pci, dev, pci_id->driver_data, &chip);
1963         if (err < 0)
1964                 goto out_free;
1965         card->private_data = chip;
1966         hda = container_of(chip, struct hda_intel, chip);
1967
1968         pci_set_drvdata(pci, card);
1969
1970         err = register_vga_switcheroo(chip);
1971         if (err < 0) {
1972                 dev_err(card->dev, "Error registering vga_switcheroo client\n");
1973                 goto out_free;
1974         }
1975
1976         if (check_hdmi_disabled(pci)) {
1977                 dev_info(card->dev, "VGA controller is disabled\n");
1978                 dev_info(card->dev, "Delaying initialization\n");
1979                 chip->disabled = true;
1980         }
1981
1982         schedule_probe = !chip->disabled;
1983
1984 #ifdef CONFIG_SND_HDA_PATCH_LOADER
1985         if (patch[dev] && *patch[dev]) {
1986                 dev_info(card->dev, "Applying patch firmware '%s'\n",
1987                          patch[dev]);
1988                 err = request_firmware_nowait(THIS_MODULE, true, patch[dev],
1989                                               &pci->dev, GFP_KERNEL, card,
1990                                               azx_firmware_cb);
1991                 if (err < 0)
1992                         goto out_free;
1993                 schedule_probe = false; /* continued in azx_firmware_cb() */
1994         }
1995 #endif /* CONFIG_SND_HDA_PATCH_LOADER */
1996
1997 #ifndef CONFIG_SND_HDA_I915
1998         if (CONTROLLER_IN_GPU(pci))
1999                 dev_err(card->dev, "Haswell/Broadwell HDMI/DP must build in CONFIG_SND_HDA_I915\n");
2000 #endif
2001
2002         if (schedule_probe)
2003                 schedule_work(&hda->probe_work);
2004
2005         dev++;
2006         if (chip->disabled)
2007                 complete_all(&hda->probe_wait);
2008         return 0;
2009
2010 out_free:
2011         snd_card_free(card);
2012         return err;
2013 }
2014
2015 /* number of codec slots for each chipset: 0 = default slots (i.e. 4) */
2016 static unsigned int azx_max_codecs[AZX_NUM_DRIVERS] = {
2017         [AZX_DRIVER_NVIDIA] = 8,
2018         [AZX_DRIVER_TERA] = 1,
2019 };
2020
2021 static int azx_probe_continue(struct azx *chip)
2022 {
2023         struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
2024         struct hdac_bus *bus = azx_bus(chip);
2025         struct pci_dev *pci = chip->pci;
2026         int dev = chip->dev_index;
2027         int err;
2028
2029         hda->probe_continued = 1;
2030
2031         /* Request display power well for the HDA controller or codec. For
2032          * Haswell/Broadwell, both the display HDA controller and codec need
2033          * this power. For other platforms, like Baytrail/Braswell, only the
2034          * display codec needs the power and it can be released after probe.
2035          */
2036         if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) {
2037                 /* HSW/BDW controllers need this power */
2038                 if (CONTROLLER_IN_GPU(pci))
2039                         hda->need_i915_power = 1;
2040
2041                 err = snd_hdac_i915_init(bus);
2042                 if (err < 0) {
2043                         /* if the controller is bound only with HDMI/DP
2044                          * (for HSW and BDW), we need to abort the probe;
2045                          * for other chips, still continue probing as other
2046                          * codecs can be on the same link.
2047                          */
2048                         if (CONTROLLER_IN_GPU(pci)) {
2049                                 dev_err(chip->card->dev,
2050                                         "HSW/BDW HD-audio HDMI/DP requires binding with gfx driver\n");
2051                                 goto out_free;
2052                         } else
2053                                 goto skip_i915;
2054                 }
2055
2056                 err = snd_hdac_display_power(bus, true);
2057                 if (err < 0) {
2058                         dev_err(chip->card->dev,
2059                                 "Cannot turn on display power on i915\n");
2060                         goto i915_power_fail;
2061                 }
2062         }
2063
2064  skip_i915:
2065         err = azx_first_init(chip);
2066         if (err < 0)
2067                 goto out_free;
2068
2069 #ifdef CONFIG_SND_HDA_INPUT_BEEP
2070         chip->beep_mode = beep_mode[dev];
2071 #endif
2072
2073         /* create codec instances */
2074         err = azx_probe_codecs(chip, azx_max_codecs[chip->driver_type]);
2075         if (err < 0)
2076                 goto out_free;
2077
2078 #ifdef CONFIG_SND_HDA_PATCH_LOADER
2079         if (chip->fw) {
2080                 err = snd_hda_load_patch(&chip->bus, chip->fw->size,
2081                                          chip->fw->data);
2082                 if (err < 0)
2083                         goto out_free;
2084 #ifndef CONFIG_PM
2085                 release_firmware(chip->fw); /* no longer needed */
2086                 chip->fw = NULL;
2087 #endif
2088         }
2089 #endif
2090         if ((probe_only[dev] & 1) == 0) {
2091                 err = azx_codec_configure(chip);
2092                 if (err < 0)
2093                         goto out_free;
2094         }
2095
2096         err = snd_card_register(chip->card);
2097         if (err < 0)
2098                 goto out_free;
2099
2100         chip->running = 1;
2101         azx_add_card_list(chip);
2102         snd_hda_set_power_save(&chip->bus, power_save * 1000);
2103         if (azx_has_pm_runtime(chip) || hda->use_vga_switcheroo)
2104                 pm_runtime_put_autosuspend(&pci->dev);
2105
2106 out_free:
2107         if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL
2108                 && !hda->need_i915_power)
2109                 snd_hdac_display_power(bus, false);
2110
2111 i915_power_fail:
2112         if (err < 0)
2113                 hda->init_failed = 1;
2114         complete_all(&hda->probe_wait);
2115         return err;
2116 }
2117
2118 static void azx_remove(struct pci_dev *pci)
2119 {
2120         struct snd_card *card = pci_get_drvdata(pci);
2121         struct azx *chip;
2122         struct hda_intel *hda;
2123
2124         if (card) {
2125                 /* cancel the pending probing work */
2126                 chip = card->private_data;
2127                 hda = container_of(chip, struct hda_intel, chip);
2128                 cancel_work_sync(&hda->probe_work);
2129
2130                 snd_card_free(card);
2131         }
2132 }
2133
2134 static void azx_shutdown(struct pci_dev *pci)
2135 {
2136         struct snd_card *card = pci_get_drvdata(pci);
2137         struct azx *chip;
2138
2139         if (!card)
2140                 return;
2141         chip = card->private_data;
2142         if (chip && chip->running)
2143                 azx_stop_chip(chip);
2144 }
2145
2146 /* PCI IDs */
2147 static const struct pci_device_id azx_ids[] = {
2148         /* CPT */
2149         { PCI_DEVICE(0x8086, 0x1c20),
2150           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM },
2151         /* PBG */
2152         { PCI_DEVICE(0x8086, 0x1d20),
2153           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM },
2154         /* Panther Point */
2155         { PCI_DEVICE(0x8086, 0x1e20),
2156           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM },
2157         /* Lynx Point */
2158         { PCI_DEVICE(0x8086, 0x8c20),
2159           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2160         /* 9 Series */
2161         { PCI_DEVICE(0x8086, 0x8ca0),
2162           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2163         /* Wellsburg */
2164         { PCI_DEVICE(0x8086, 0x8d20),
2165           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2166         { PCI_DEVICE(0x8086, 0x8d21),
2167           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2168         /* Lewisburg */
2169         { PCI_DEVICE(0x8086, 0xa1f0),
2170           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2171         { PCI_DEVICE(0x8086, 0xa270),
2172           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2173         /* Lynx Point-LP */
2174         { PCI_DEVICE(0x8086, 0x9c20),
2175           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2176         /* Lynx Point-LP */
2177         { PCI_DEVICE(0x8086, 0x9c21),
2178           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2179         /* Wildcat Point-LP */
2180         { PCI_DEVICE(0x8086, 0x9ca0),
2181           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2182         /* Sunrise Point */
2183         { PCI_DEVICE(0x8086, 0xa170),
2184           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE },
2185         /* Sunrise Point-LP */
2186         { PCI_DEVICE(0x8086, 0x9d70),
2187           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE },
2188         /* Kabylake */
2189         { PCI_DEVICE(0x8086, 0xa171),
2190           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE },
2191         /* Kabylake-LP */
2192         { PCI_DEVICE(0x8086, 0x9d71),
2193           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE },
2194         /* Kabylake-H */
2195         { PCI_DEVICE(0x8086, 0xa2f0),
2196           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE },
2197         /* Broxton-P(Apollolake) */
2198         { PCI_DEVICE(0x8086, 0x5a98),
2199           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BROXTON },
2200         /* Broxton-T */
2201         { PCI_DEVICE(0x8086, 0x1a98),
2202           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BROXTON },
2203         /* Haswell */
2204         { PCI_DEVICE(0x8086, 0x0a0c),
2205           .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL },
2206         { PCI_DEVICE(0x8086, 0x0c0c),
2207           .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL },
2208         { PCI_DEVICE(0x8086, 0x0d0c),
2209           .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL },
2210         /* Broadwell */
2211         { PCI_DEVICE(0x8086, 0x160c),
2212           .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_BROADWELL },
2213         /* 5 Series/3400 */
2214         { PCI_DEVICE(0x8086, 0x3b56),
2215           .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_NOPM },
2216         /* Poulsbo */
2217         { PCI_DEVICE(0x8086, 0x811b),
2218           .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_BASE },
2219         /* Oaktrail */
2220         { PCI_DEVICE(0x8086, 0x080a),
2221           .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_BASE },
2222         /* BayTrail */
2223         { PCI_DEVICE(0x8086, 0x0f04),
2224           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BAYTRAIL },
2225         /* Braswell */
2226         { PCI_DEVICE(0x8086, 0x2284),
2227           .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BRASWELL },
2228         /* ICH6 */
2229         { PCI_DEVICE(0x8086, 0x2668),
2230           .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2231         /* ICH7 */
2232         { PCI_DEVICE(0x8086, 0x27d8),
2233           .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2234         /* ESB2 */
2235         { PCI_DEVICE(0x8086, 0x269a),
2236           .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2237         /* ICH8 */
2238         { PCI_DEVICE(0x8086, 0x284b),
2239           .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2240         /* ICH9 */
2241         { PCI_DEVICE(0x8086, 0x293e),
2242           .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2243         /* ICH9 */
2244         { PCI_DEVICE(0x8086, 0x293f),
2245           .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2246         /* ICH10 */
2247         { PCI_DEVICE(0x8086, 0x3a3e),
2248           .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2249         /* ICH10 */
2250         { PCI_DEVICE(0x8086, 0x3a6e),
2251           .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2252         /* Generic Intel */
2253         { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_ANY_ID),
2254           .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2255           .class_mask = 0xffffff,
2256           .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_NO_ALIGN_BUFSIZE },
2257         /* ATI SB 450/600/700/800/900 */
2258         { PCI_DEVICE(0x1002, 0x437b),
2259           .driver_data = AZX_DRIVER_ATI | AZX_DCAPS_PRESET_ATI_SB },
2260         { PCI_DEVICE(0x1002, 0x4383),
2261           .driver_data = AZX_DRIVER_ATI | AZX_DCAPS_PRESET_ATI_SB },
2262         /* AMD Hudson */
2263         { PCI_DEVICE(0x1022, 0x780d),
2264           .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB },
2265         /* ATI HDMI */
2266         { PCI_DEVICE(0x1002, 0x1308),
2267           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2268         { PCI_DEVICE(0x1002, 0x157a),
2269           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2270         { PCI_DEVICE(0x1002, 0x793b),
2271           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2272         { PCI_DEVICE(0x1002, 0x7919),
2273           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2274         { PCI_DEVICE(0x1002, 0x960f),
2275           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2276         { PCI_DEVICE(0x1002, 0x970f),
2277           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2278         { PCI_DEVICE(0x1002, 0x9840),
2279           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2280         { PCI_DEVICE(0x1002, 0xaa00),
2281           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2282         { PCI_DEVICE(0x1002, 0xaa08),
2283           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2284         { PCI_DEVICE(0x1002, 0xaa10),
2285           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2286         { PCI_DEVICE(0x1002, 0xaa18),
2287           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2288         { PCI_DEVICE(0x1002, 0xaa20),
2289           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2290         { PCI_DEVICE(0x1002, 0xaa28),
2291           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2292         { PCI_DEVICE(0x1002, 0xaa30),
2293           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2294         { PCI_DEVICE(0x1002, 0xaa38),
2295           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2296         { PCI_DEVICE(0x1002, 0xaa40),
2297           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2298         { PCI_DEVICE(0x1002, 0xaa48),
2299           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2300         { PCI_DEVICE(0x1002, 0xaa50),
2301           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2302         { PCI_DEVICE(0x1002, 0xaa58),
2303           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2304         { PCI_DEVICE(0x1002, 0xaa60),
2305           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2306         { PCI_DEVICE(0x1002, 0xaa68),
2307           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2308         { PCI_DEVICE(0x1002, 0xaa80),
2309           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2310         { PCI_DEVICE(0x1002, 0xaa88),
2311           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2312         { PCI_DEVICE(0x1002, 0xaa90),
2313           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2314         { PCI_DEVICE(0x1002, 0xaa98),
2315           .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2316         { PCI_DEVICE(0x1002, 0x9902),
2317           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2318         { PCI_DEVICE(0x1002, 0xaaa0),
2319           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2320         { PCI_DEVICE(0x1002, 0xaaa8),
2321           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2322         { PCI_DEVICE(0x1002, 0xaab0),
2323           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2324         { PCI_DEVICE(0x1002, 0xaac0),
2325           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2326         { PCI_DEVICE(0x1002, 0xaac8),
2327           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2328         { PCI_DEVICE(0x1002, 0xaad8),
2329           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2330         { PCI_DEVICE(0x1002, 0xaae8),
2331           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2332         { PCI_DEVICE(0x1002, 0xaae0),
2333           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2334         { PCI_DEVICE(0x1002, 0xaaf0),
2335           .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2336         /* VIA VT8251/VT8237A */
2337         { PCI_DEVICE(0x1106, 0x3288), .driver_data = AZX_DRIVER_VIA },
2338         /* VIA GFX VT7122/VX900 */
2339         { PCI_DEVICE(0x1106, 0x9170), .driver_data = AZX_DRIVER_GENERIC },
2340         /* VIA GFX VT6122/VX11 */
2341         { PCI_DEVICE(0x1106, 0x9140), .driver_data = AZX_DRIVER_GENERIC },
2342         /* SIS966 */
2343         { PCI_DEVICE(0x1039, 0x7502), .driver_data = AZX_DRIVER_SIS },
2344         /* ULI M5461 */
2345         { PCI_DEVICE(0x10b9, 0x5461), .driver_data = AZX_DRIVER_ULI },
2346         /* NVIDIA MCP */
2347         { PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
2348           .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2349           .class_mask = 0xffffff,
2350           .driver_data = AZX_DRIVER_NVIDIA | AZX_DCAPS_PRESET_NVIDIA },
2351         /* Teradici */
2352         { PCI_DEVICE(0x6549, 0x1200),
2353           .driver_data = AZX_DRIVER_TERA | AZX_DCAPS_NO_64BIT },
2354         { PCI_DEVICE(0x6549, 0x2200),
2355           .driver_data = AZX_DRIVER_TERA | AZX_DCAPS_NO_64BIT },
2356         /* Creative X-Fi (CA0110-IBG) */
2357         /* CTHDA chips */
2358         { PCI_DEVICE(0x1102, 0x0010),
2359           .driver_data = AZX_DRIVER_CTHDA | AZX_DCAPS_PRESET_CTHDA },
2360         { PCI_DEVICE(0x1102, 0x0012),
2361           .driver_data = AZX_DRIVER_CTHDA | AZX_DCAPS_PRESET_CTHDA },
2362 #if !IS_ENABLED(CONFIG_SND_CTXFI)
2363         /* the following entry conflicts with snd-ctxfi driver,
2364          * as ctxfi driver mutates from HD-audio to native mode with
2365          * a special command sequence.
2366          */
2367         { PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_ANY_ID),
2368           .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2369           .class_mask = 0xffffff,
2370           .driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND |
2371           AZX_DCAPS_NO_64BIT | AZX_DCAPS_POSFIX_LPIB },
2372 #else
2373         /* this entry seems still valid -- i.e. without emu20kx chip */
2374         { PCI_DEVICE(0x1102, 0x0009),
2375           .driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND |
2376           AZX_DCAPS_NO_64BIT | AZX_DCAPS_POSFIX_LPIB },
2377 #endif
2378         /* CM8888 */
2379         { PCI_DEVICE(0x13f6, 0x5011),
2380           .driver_data = AZX_DRIVER_CMEDIA |
2381           AZX_DCAPS_NO_MSI | AZX_DCAPS_POSFIX_LPIB | AZX_DCAPS_SNOOP_OFF },
2382         /* Vortex86MX */
2383         { PCI_DEVICE(0x17f3, 0x3010), .driver_data = AZX_DRIVER_GENERIC },
2384         /* VMware HDAudio */
2385         { PCI_DEVICE(0x15ad, 0x1977), .driver_data = AZX_DRIVER_GENERIC },
2386         /* AMD/ATI Generic, PCI class code and Vendor ID for HD Audio */
2387         { PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_ANY_ID),
2388           .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2389           .class_mask = 0xffffff,
2390           .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_HDMI },
2391         { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_ANY_ID),
2392           .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2393           .class_mask = 0xffffff,
2394           .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_HDMI },
2395         { 0, }
2396 };
2397 MODULE_DEVICE_TABLE(pci, azx_ids);
2398
2399 /* pci_driver definition */
2400 static struct pci_driver azx_driver = {
2401         .name = KBUILD_MODNAME,
2402         .id_table = azx_ids,
2403         .probe = azx_probe,
2404         .remove = azx_remove,
2405         .shutdown = azx_shutdown,
2406         .driver = {
2407                 .pm = AZX_PM_OPS,
2408         },
2409 };
2410
2411 module_pci_driver(azx_driver);