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