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WIP FPC-III support
[linux/fpc-iii.git] / sound / pci / hda / hda_intel.c
blob770ad25f1907cdec5d0c86822af92fb74c3ff465
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 *
4 * hda_intel.c - Implementation of primary alsa driver code base
5 * for Intel HD Audio.
6 *
7 * Copyright(c) 2004 Intel Corporation. All rights reserved.
8 *
9 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
10 * PeiSen Hou <pshou@realtek.com.tw>
11 *
12 * CONTACTS:
13 *
14 * Matt Jared matt.jared@intel.com
15 * Andy Kopp andy.kopp@intel.com
16 * Dan Kogan dan.d.kogan@intel.com
17 *
18 * CHANGES:
19 *
20 * 2004.12.01 Major rewrite by tiwai, merged the work of pshou
21 */
22
23 #include <linux/delay.h>
24 #include <linux/interrupt.h>
25 #include <linux/kernel.h>
26 #include <linux/module.h>
27 #include <linux/dma-mapping.h>
28 #include <linux/moduleparam.h>
29 #include <linux/init.h>
30 #include <linux/slab.h>
31 #include <linux/pci.h>
32 #include <linux/mutex.h>
33 #include <linux/io.h>
34 #include <linux/pm_runtime.h>
35 #include <linux/clocksource.h>
36 #include <linux/time.h>
37 #include <linux/completion.h>
38 #include <linux/acpi.h>
39 #include <linux/pgtable.h>
40
41 #ifdef CONFIG_X86
42 /* for snoop control */
43 #include <asm/set_memory.h>
44 #include <asm/cpufeature.h>
45 #endif
46 #include <sound/core.h>
47 #include <sound/initval.h>
48 #include <sound/hdaudio.h>
49 #include <sound/hda_i915.h>
50 #include <sound/intel-dsp-config.h>
51 #include <linux/vgaarb.h>
52 #include <linux/vga_switcheroo.h>
53 #include <linux/firmware.h>
54 #include <sound/hda_codec.h>
55 #include "hda_controller.h"
56 #include "hda_intel.h"
57
58 #define CREATE_TRACE_POINTS
59 #include "hda_intel_trace.h"
60
61 /* position fix mode */
62 enum {
63 POS_FIX_AUTO,
64 POS_FIX_LPIB,
65 POS_FIX_POSBUF,
66 POS_FIX_VIACOMBO,
67 POS_FIX_COMBO,
68 POS_FIX_SKL,
69 POS_FIX_FIFO,
70 };
71
72 /* Defines for ATI HD Audio support in SB450 south bridge */
73 #define ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR 0x42
74 #define ATI_SB450_HDAUDIO_ENABLE_SNOOP 0x02
75
76 /* Defines for Nvidia HDA support */
77 #define NVIDIA_HDA_TRANSREG_ADDR 0x4e
78 #define NVIDIA_HDA_ENABLE_COHBITS 0x0f
79 #define NVIDIA_HDA_ISTRM_COH 0x4d
80 #define NVIDIA_HDA_OSTRM_COH 0x4c
81 #define NVIDIA_HDA_ENABLE_COHBIT 0x01
82
83 /* Defines for Intel SCH HDA snoop control */
84 #define INTEL_HDA_CGCTL 0x48
85 #define INTEL_HDA_CGCTL_MISCBDCGE (0x1 << 6)
86 #define INTEL_SCH_HDA_DEVC 0x78
87 #define INTEL_SCH_HDA_DEVC_NOSNOOP (0x1<<11)
88
89 /* Define VIA HD Audio Device ID*/
90 #define VIA_HDAC_DEVICE_ID 0x3288
91
92 /* max number of SDs */
93 /* ICH, ATI and VIA have 4 playback and 4 capture */
94 #define ICH6_NUM_CAPTURE 4
95 #define ICH6_NUM_PLAYBACK 4
96
97 /* ULI has 6 playback and 5 capture */
98 #define ULI_NUM_CAPTURE 5
99 #define ULI_NUM_PLAYBACK 6
100
101 /* ATI HDMI may have up to 8 playbacks and 0 capture */
102 #define ATIHDMI_NUM_CAPTURE 0
103 #define ATIHDMI_NUM_PLAYBACK 8
104
105 /* TERA has 4 playback and 3 capture */
106 #define TERA_NUM_CAPTURE 3
107 #define TERA_NUM_PLAYBACK 4
108
109
110 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
111 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
112 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
113 static char *model[SNDRV_CARDS];
114 static int position_fix[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
115 static int bdl_pos_adj[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
116 static int probe_mask[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
117 static int probe_only[SNDRV_CARDS];
118 static int jackpoll_ms[SNDRV_CARDS];
119 static int single_cmd = -1;
120 static int enable_msi = -1;
121 #ifdef CONFIG_SND_HDA_PATCH_LOADER
122 static char *patch[SNDRV_CARDS];
123 #endif
124 #ifdef CONFIG_SND_HDA_INPUT_BEEP
125 static bool beep_mode[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] =
126 CONFIG_SND_HDA_INPUT_BEEP_MODE};
127 #endif
128 static bool dmic_detect = 1;
129
130 module_param_array(index, int, NULL, 0444);
131 MODULE_PARM_DESC(index, "Index value for Intel HD audio interface.");
132 module_param_array(id, charp, NULL, 0444);
133 MODULE_PARM_DESC(id, "ID string for Intel HD audio interface.");
134 module_param_array(enable, bool, NULL, 0444);
135 MODULE_PARM_DESC(enable, "Enable Intel HD audio interface.");
136 module_param_array(model, charp, NULL, 0444);
137 MODULE_PARM_DESC(model, "Use the given board model.");
138 module_param_array(position_fix, int, NULL, 0444);
139 MODULE_PARM_DESC(position_fix, "DMA pointer read method."
140 "(-1 = system default, 0 = auto, 1 = LPIB, 2 = POSBUF, 3 = VIACOMBO, 4 = COMBO, 5 = SKL+, 6 = FIFO).");
141 module_param_array(bdl_pos_adj, int, NULL, 0644);
142 MODULE_PARM_DESC(bdl_pos_adj, "BDL position adjustment offset.");
143 module_param_array(probe_mask, int, NULL, 0444);
144 MODULE_PARM_DESC(probe_mask, "Bitmask to probe codecs (default = -1).");
145 module_param_array(probe_only, int, NULL, 0444);
146 MODULE_PARM_DESC(probe_only, "Only probing and no codec initialization.");
147 module_param_array(jackpoll_ms, int, NULL, 0444);
148 MODULE_PARM_DESC(jackpoll_ms, "Ms between polling for jack events (default = 0, using unsol events only)");
149 module_param(single_cmd, bint, 0444);
150 MODULE_PARM_DESC(single_cmd, "Use single command to communicate with codecs "
151 "(for debugging only).");
152 module_param(enable_msi, bint, 0444);
153 MODULE_PARM_DESC(enable_msi, "Enable Message Signaled Interrupt (MSI)");
154 #ifdef CONFIG_SND_HDA_PATCH_LOADER
155 module_param_array(patch, charp, NULL, 0444);
156 MODULE_PARM_DESC(patch, "Patch file for Intel HD audio interface.");
157 #endif
158 #ifdef CONFIG_SND_HDA_INPUT_BEEP
159 module_param_array(beep_mode, bool, NULL, 0444);
160 MODULE_PARM_DESC(beep_mode, "Select HDA Beep registration mode "
161 "(0=off, 1=on) (default=1).");
162 #endif
163 module_param(dmic_detect, bool, 0444);
164 MODULE_PARM_DESC(dmic_detect, "Allow DSP driver selection (bypass this driver) "
165 "(0=off, 1=on) (default=1); "
166 "deprecated, use snd-intel-dspcfg.dsp_driver option instead");
167
168 #ifdef CONFIG_PM
169 static int param_set_xint(const char *val, const struct kernel_param *kp);
170 static const struct kernel_param_ops param_ops_xint = {
171 .set = param_set_xint,
172 .get = param_get_int,
173 };
174 #define param_check_xint param_check_int
175
176 static int power_save = CONFIG_SND_HDA_POWER_SAVE_DEFAULT;
177 module_param(power_save, xint, 0644);
178 MODULE_PARM_DESC(power_save, "Automatic power-saving timeout "
179 "(in second, 0 = disable).");
180
181 static bool pm_blacklist = true;
182 module_param(pm_blacklist, bool, 0644);
183 MODULE_PARM_DESC(pm_blacklist, "Enable power-management denylist");
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_SKL,
263 AZX_DRIVER_HDMI,
264 AZX_DRIVER_ATI,
265 AZX_DRIVER_ATIHDMI,
266 AZX_DRIVER_ATIHDMI_NS,
267 AZX_DRIVER_VIA,
268 AZX_DRIVER_SIS,
269 AZX_DRIVER_ULI,
270 AZX_DRIVER_NVIDIA,
271 AZX_DRIVER_TERA,
272 AZX_DRIVER_CTX,
273 AZX_DRIVER_CTHDA,
274 AZX_DRIVER_CMEDIA,
275 AZX_DRIVER_ZHAOXIN,
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; bind with i915 gfx */
294 #define AZX_DCAPS_INTEL_PCH_NOPM \
295 (AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_I915_COMPONENT)
296
297 /* PCH for HSW/BDW; with runtime PM */
298 /* no i915 binding for this as HSW/BDW has another controller for HDMI */
299 #define AZX_DCAPS_INTEL_PCH \
300 (AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_PM_RUNTIME)
301
302 /* HSW HDMI */
303 #define AZX_DCAPS_INTEL_HASWELL \
304 (/*AZX_DCAPS_ALIGN_BUFSIZE |*/ AZX_DCAPS_COUNT_LPIB_DELAY |\
305 AZX_DCAPS_PM_RUNTIME | AZX_DCAPS_I915_COMPONENT |\
306 AZX_DCAPS_SNOOP_TYPE(SCH))
307
308 /* Broadwell HDMI can't use position buffer reliably, force to use LPIB */
309 #define AZX_DCAPS_INTEL_BROADWELL \
310 (/*AZX_DCAPS_ALIGN_BUFSIZE |*/ AZX_DCAPS_POSFIX_LPIB |\
311 AZX_DCAPS_PM_RUNTIME | AZX_DCAPS_I915_COMPONENT |\
312 AZX_DCAPS_SNOOP_TYPE(SCH))
313
314 #define AZX_DCAPS_INTEL_BAYTRAIL \
315 (AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_I915_COMPONENT)
316
317 #define AZX_DCAPS_INTEL_BRASWELL \
318 (AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_PM_RUNTIME |\
319 AZX_DCAPS_I915_COMPONENT)
320
321 #define AZX_DCAPS_INTEL_SKYLAKE \
322 (AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_PM_RUNTIME |\
323 AZX_DCAPS_SEPARATE_STREAM_TAG | AZX_DCAPS_I915_COMPONENT)
324
325 #define AZX_DCAPS_INTEL_BROXTON AZX_DCAPS_INTEL_SKYLAKE
326
327 /* quirks for ATI SB / AMD Hudson */
328 #define AZX_DCAPS_PRESET_ATI_SB \
329 (AZX_DCAPS_NO_TCSEL | 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_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 AMD SB */
342 #define AZX_DCAPS_PRESET_AMD_SB \
343 (AZX_DCAPS_NO_TCSEL | AZX_DCAPS_AMD_WORKAROUND |\
344 AZX_DCAPS_SNOOP_TYPE(ATI) | AZX_DCAPS_PM_RUNTIME)
345
346 /* quirks for Nvidia */
347 #define AZX_DCAPS_PRESET_NVIDIA \
348 (AZX_DCAPS_NO_MSI | AZX_DCAPS_CORBRP_SELF_CLEAR |\
349 AZX_DCAPS_SNOOP_TYPE(NVIDIA))
350
351 #define AZX_DCAPS_PRESET_CTHDA \
352 (AZX_DCAPS_NO_MSI | AZX_DCAPS_POSFIX_LPIB |\
353 AZX_DCAPS_NO_64BIT |\
354 AZX_DCAPS_4K_BDLE_BOUNDARY | AZX_DCAPS_SNOOP_OFF)
355
356 /*
357 * vga_switcheroo support
358 */
359 #ifdef SUPPORT_VGA_SWITCHEROO
360 #define use_vga_switcheroo(chip) ((chip)->use_vga_switcheroo)
361 #define needs_eld_notify_link(chip) ((chip)->bus.keep_power)
362 #else
363 #define use_vga_switcheroo(chip) 0
364 #define needs_eld_notify_link(chip) false
365 #endif
366
367 #define CONTROLLER_IN_GPU(pci) (((pci)->device == 0x0a0c) || \
368 ((pci)->device == 0x0c0c) || \
369 ((pci)->device == 0x0d0c) || \
370 ((pci)->device == 0x160c) || \
371 ((pci)->device == 0x490d))
372
373 #define IS_BXT(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x5a98)
374
375 static const char * const 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_SKL] = "HDA Intel PCH", /* kept old name for compatibility */
380 [AZX_DRIVER_HDMI] = "HDA Intel HDMI",
381 [AZX_DRIVER_ATI] = "HDA ATI SB",
382 [AZX_DRIVER_ATIHDMI] = "HDA ATI HDMI",
383 [AZX_DRIVER_ATIHDMI_NS] = "HDA ATI HDMI",
384 [AZX_DRIVER_VIA] = "HDA VIA VT82xx",
385 [AZX_DRIVER_SIS] = "HDA SIS966",
386 [AZX_DRIVER_ULI] = "HDA ULI M5461",
387 [AZX_DRIVER_NVIDIA] = "HDA NVidia",
388 [AZX_DRIVER_TERA] = "HDA Teradici",
389 [AZX_DRIVER_CTX] = "HDA Creative",
390 [AZX_DRIVER_CTHDA] = "HDA Creative",
391 [AZX_DRIVER_CMEDIA] = "HDA C-Media",
392 [AZX_DRIVER_ZHAOXIN] = "HDA Zhaoxin",
393 [AZX_DRIVER_GENERIC] = "HD-Audio Generic",
394 };
395
396 static int azx_acquire_irq(struct azx *chip, int do_disconnect);
397 static void set_default_power_save(struct azx *chip);
398
399 /*
400 * initialize the PCI registers
401 */
402 /* update bits in a PCI register byte */
403 static void update_pci_byte(struct pci_dev *pci, unsigned int reg,
404 unsigned char mask, unsigned char val)
405 {
406 unsigned char data;
407
408 pci_read_config_byte(pci, reg, &data);
409 data &= ~mask;
410 data |= (val & mask);
411 pci_write_config_byte(pci, reg, data);
412 }
413
414 static void azx_init_pci(struct azx *chip)
415 {
416 int snoop_type = azx_get_snoop_type(chip);
417
418 /* Clear bits 0-2 of PCI register TCSEL (at offset 0x44)
419 * TCSEL == Traffic Class Select Register, which sets PCI express QOS
420 * Ensuring these bits are 0 clears playback static on some HD Audio
421 * codecs.
422 * The PCI register TCSEL is defined in the Intel manuals.
423 */
424 if (!(chip->driver_caps & AZX_DCAPS_NO_TCSEL)) {
425 dev_dbg(chip->card->dev, "Clearing TCSEL\n");
426 update_pci_byte(chip->pci, AZX_PCIREG_TCSEL, 0x07, 0);
427 }
428
429 /* For ATI SB450/600/700/800/900 and AMD Hudson azalia HD audio,
430 * we need to enable snoop.
431 */
432 if (snoop_type == AZX_SNOOP_TYPE_ATI) {
433 dev_dbg(chip->card->dev, "Setting ATI snoop: %d\n",
434 azx_snoop(chip));
435 update_pci_byte(chip->pci,
436 ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR, 0x07,
437 azx_snoop(chip) ? ATI_SB450_HDAUDIO_ENABLE_SNOOP : 0);
438 }
439
440 /* For NVIDIA HDA, enable snoop */
441 if (snoop_type == AZX_SNOOP_TYPE_NVIDIA) {
442 dev_dbg(chip->card->dev, "Setting Nvidia snoop: %d\n",
443 azx_snoop(chip));
444 update_pci_byte(chip->pci,
445 NVIDIA_HDA_TRANSREG_ADDR,
446 0x0f, NVIDIA_HDA_ENABLE_COHBITS);
447 update_pci_byte(chip->pci,
448 NVIDIA_HDA_ISTRM_COH,
449 0x01, NVIDIA_HDA_ENABLE_COHBIT);
450 update_pci_byte(chip->pci,
451 NVIDIA_HDA_OSTRM_COH,
452 0x01, NVIDIA_HDA_ENABLE_COHBIT);
453 }
454
455 /* Enable SCH/PCH snoop if needed */
456 if (snoop_type == AZX_SNOOP_TYPE_SCH) {
457 unsigned short snoop;
458 pci_read_config_word(chip->pci, INTEL_SCH_HDA_DEVC, &snoop);
459 if ((!azx_snoop(chip) && !(snoop & INTEL_SCH_HDA_DEVC_NOSNOOP)) ||
460 (azx_snoop(chip) && (snoop & INTEL_SCH_HDA_DEVC_NOSNOOP))) {
461 snoop &= ~INTEL_SCH_HDA_DEVC_NOSNOOP;
462 if (!azx_snoop(chip))
463 snoop |= INTEL_SCH_HDA_DEVC_NOSNOOP;
464 pci_write_config_word(chip->pci, INTEL_SCH_HDA_DEVC, snoop);
465 pci_read_config_word(chip->pci,
466 INTEL_SCH_HDA_DEVC, &snoop);
467 }
468 dev_dbg(chip->card->dev, "SCH snoop: %s\n",
469 (snoop & INTEL_SCH_HDA_DEVC_NOSNOOP) ?
470 "Disabled" : "Enabled");
471 }
472 }
473
474 /*
475 * In BXT-P A0, HD-Audio DMA requests is later than expected,
476 * and makes an audio stream sensitive to system latencies when
477 * 24/32 bits are playing.
478 * Adjusting threshold of DMA fifo to force the DMA request
479 * sooner to improve latency tolerance at the expense of power.
480 */
481 static void bxt_reduce_dma_latency(struct azx *chip)
482 {
483 u32 val;
484
485 val = azx_readl(chip, VS_EM4L);
486 val &= (0x3 << 20);
487 azx_writel(chip, VS_EM4L, val);
488 }
489
490 /*
491 * ML_LCAP bits:
492 * bit 0: 6 MHz Supported
493 * bit 1: 12 MHz Supported
494 * bit 2: 24 MHz Supported
495 * bit 3: 48 MHz Supported
496 * bit 4: 96 MHz Supported
497 * bit 5: 192 MHz Supported
498 */
499 static int intel_get_lctl_scf(struct azx *chip)
500 {
501 struct hdac_bus *bus = azx_bus(chip);
502 static const int preferred_bits[] = { 2, 3, 1, 4, 5 };
503 u32 val, t;
504 int i;
505
506 val = readl(bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCAP);
507
508 for (i = 0; i < ARRAY_SIZE(preferred_bits); i++) {
509 t = preferred_bits[i];
510 if (val & (1 << t))
511 return t;
512 }
513
514 dev_warn(chip->card->dev, "set audio clock frequency to 6MHz");
515 return 0;
516 }
517
518 static int intel_ml_lctl_set_power(struct azx *chip, int state)
519 {
520 struct hdac_bus *bus = azx_bus(chip);
521 u32 val;
522 int timeout;
523
524 /*
525 * the codecs are sharing the first link setting by default
526 * If other links are enabled for stream, they need similar fix
527 */
528 val = readl(bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCTL);
529 val &= ~AZX_MLCTL_SPA;
530 val |= state << AZX_MLCTL_SPA_SHIFT;
531 writel(val, bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCTL);
532 /* wait for CPA */
533 timeout = 50;
534 while (timeout) {
535 if (((readl(bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCTL)) &
536 AZX_MLCTL_CPA) == (state << AZX_MLCTL_CPA_SHIFT))
537 return 0;
538 timeout--;
539 udelay(10);
540 }
541
542 return -1;
543 }
544
545 static void intel_init_lctl(struct azx *chip)
546 {
547 struct hdac_bus *bus = azx_bus(chip);
548 u32 val;
549 int ret;
550
551 /* 0. check lctl register value is correct or not */
552 val = readl(bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCTL);
553 /* if SCF is already set, let's use it */
554 if ((val & ML_LCTL_SCF_MASK) != 0)
555 return;
556
557 /*
558 * Before operating on SPA, CPA must match SPA.
559 * Any deviation may result in undefined behavior.
560 */
561 if (((val & AZX_MLCTL_SPA) >> AZX_MLCTL_SPA_SHIFT) !=
562 ((val & AZX_MLCTL_CPA) >> AZX_MLCTL_CPA_SHIFT))
563 return;
564
565 /* 1. turn link down: set SPA to 0 and wait CPA to 0 */
566 ret = intel_ml_lctl_set_power(chip, 0);
567 udelay(100);
568 if (ret)
569 goto set_spa;
570
571 /* 2. update SCF to select a properly audio clock*/
572 val &= ~ML_LCTL_SCF_MASK;
573 val |= intel_get_lctl_scf(chip);
574 writel(val, bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCTL);
575
576 set_spa:
577 /* 4. turn link up: set SPA to 1 and wait CPA to 1 */
578 intel_ml_lctl_set_power(chip, 1);
579 udelay(100);
580 }
581
582 static void hda_intel_init_chip(struct azx *chip, bool full_reset)
583 {
584 struct hdac_bus *bus = azx_bus(chip);
585 struct pci_dev *pci = chip->pci;
586 u32 val;
587
588 snd_hdac_set_codec_wakeup(bus, true);
589 if (chip->driver_type == AZX_DRIVER_SKL) {
590 pci_read_config_dword(pci, INTEL_HDA_CGCTL, &val);
591 val = val & ~INTEL_HDA_CGCTL_MISCBDCGE;
592 pci_write_config_dword(pci, INTEL_HDA_CGCTL, val);
593 }
594 azx_init_chip(chip, full_reset);
595 if (chip->driver_type == AZX_DRIVER_SKL) {
596 pci_read_config_dword(pci, INTEL_HDA_CGCTL, &val);
597 val = val | INTEL_HDA_CGCTL_MISCBDCGE;
598 pci_write_config_dword(pci, INTEL_HDA_CGCTL, val);
599 }
600
601 snd_hdac_set_codec_wakeup(bus, false);
602
603 /* reduce dma latency to avoid noise */
604 if (IS_BXT(pci))
605 bxt_reduce_dma_latency(chip);
606
607 if (bus->mlcap != NULL)
608 intel_init_lctl(chip);
609 }
610
611 /* calculate runtime delay from LPIB */
612 static int azx_get_delay_from_lpib(struct azx *chip, struct azx_dev *azx_dev,
613 unsigned int pos)
614 {
615 struct snd_pcm_substream *substream = azx_dev->core.substream;
616 int stream = substream->stream;
617 unsigned int lpib_pos = azx_get_pos_lpib(chip, azx_dev);
618 int delay;
619
620 if (stream == SNDRV_PCM_STREAM_PLAYBACK)
621 delay = pos - lpib_pos;
622 else
623 delay = lpib_pos - pos;
624 if (delay < 0) {
625 if (delay >= azx_dev->core.delay_negative_threshold)
626 delay = 0;
627 else
628 delay += azx_dev->core.bufsize;
629 }
630
631 if (delay >= azx_dev->core.period_bytes) {
632 dev_info(chip->card->dev,
633 "Unstable LPIB (%d >= %d); disabling LPIB delay counting\n",
634 delay, azx_dev->core.period_bytes);
635 delay = 0;
636 chip->driver_caps &= ~AZX_DCAPS_COUNT_LPIB_DELAY;
637 chip->get_delay[stream] = NULL;
638 }
639
640 return bytes_to_frames(substream->runtime, delay);
641 }
642
643 static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev);
644
645 /* called from IRQ */
646 static int azx_position_check(struct azx *chip, struct azx_dev *azx_dev)
647 {
648 struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
649 int ok;
650
651 ok = azx_position_ok(chip, azx_dev);
652 if (ok == 1) {
653 azx_dev->irq_pending = 0;
654 return ok;
655 } else if (ok == 0) {
656 /* bogus IRQ, process it later */
657 azx_dev->irq_pending = 1;
658 schedule_work(&hda->irq_pending_work);
659 }
660 return 0;
661 }
662
663 #define display_power(chip, enable) \
664 snd_hdac_display_power(azx_bus(chip), HDA_CODEC_IDX_CONTROLLER, enable)
665
666 /*
667 * Check whether the current DMA position is acceptable for updating
668 * periods. Returns non-zero if it's OK.
669 *
670 * Many HD-audio controllers appear pretty inaccurate about
671 * the update-IRQ timing. The IRQ is issued before actually the
672 * data is processed. So, we need to process it afterwords in a
673 * workqueue.
674 */
675 static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev)
676 {
677 struct snd_pcm_substream *substream = azx_dev->core.substream;
678 int stream = substream->stream;
679 u32 wallclk;
680 unsigned int pos;
681
682 wallclk = azx_readl(chip, WALLCLK) - azx_dev->core.start_wallclk;
683 if (wallclk < (azx_dev->core.period_wallclk * 2) / 3)
684 return -1; /* bogus (too early) interrupt */
685
686 if (chip->get_position[stream])
687 pos = chip->get_position[stream](chip, azx_dev);
688 else { /* use the position buffer as default */
689 pos = azx_get_pos_posbuf(chip, azx_dev);
690 if (!pos || pos == (u32)-1) {
691 dev_info(chip->card->dev,
692 "Invalid position buffer, using LPIB read method instead.\n");
693 chip->get_position[stream] = azx_get_pos_lpib;
694 if (chip->get_position[0] == azx_get_pos_lpib &&
695 chip->get_position[1] == azx_get_pos_lpib)
696 azx_bus(chip)->use_posbuf = false;
697 pos = azx_get_pos_lpib(chip, azx_dev);
698 chip->get_delay[stream] = NULL;
699 } else {
700 chip->get_position[stream] = azx_get_pos_posbuf;
701 if (chip->driver_caps & AZX_DCAPS_COUNT_LPIB_DELAY)
702 chip->get_delay[stream] = azx_get_delay_from_lpib;
703 }
704 }
705
706 if (pos >= azx_dev->core.bufsize)
707 pos = 0;
708
709 if (WARN_ONCE(!azx_dev->core.period_bytes,
710 "hda-intel: zero azx_dev->period_bytes"))
711 return -1; /* this shouldn't happen! */
712 if (wallclk < (azx_dev->core.period_wallclk * 5) / 4 &&
713 pos % azx_dev->core.period_bytes > azx_dev->core.period_bytes / 2)
714 /* NG - it's below the first next period boundary */
715 return chip->bdl_pos_adj ? 0 : -1;
716 azx_dev->core.start_wallclk += wallclk;
717 return 1; /* OK, it's fine */
718 }
719
720 /*
721 * The work for pending PCM period updates.
722 */
723 static void azx_irq_pending_work(struct work_struct *work)
724 {
725 struct hda_intel *hda = container_of(work, struct hda_intel, irq_pending_work);
726 struct azx *chip = &hda->chip;
727 struct hdac_bus *bus = azx_bus(chip);
728 struct hdac_stream *s;
729 int pending, ok;
730
731 if (!hda->irq_pending_warned) {
732 dev_info(chip->card->dev,
733 "IRQ timing workaround is activated for card #%d. Suggest a bigger bdl_pos_adj.\n",
734 chip->card->number);
735 hda->irq_pending_warned = 1;
736 }
737
738 for (;;) {
739 pending = 0;
740 spin_lock_irq(&bus->reg_lock);
741 list_for_each_entry(s, &bus->stream_list, list) {
742 struct azx_dev *azx_dev = stream_to_azx_dev(s);
743 if (!azx_dev->irq_pending ||
744 !s->substream ||
745 !s->running)
746 continue;
747 ok = azx_position_ok(chip, azx_dev);
748 if (ok > 0) {
749 azx_dev->irq_pending = 0;
750 spin_unlock(&bus->reg_lock);
751 snd_pcm_period_elapsed(s->substream);
752 spin_lock(&bus->reg_lock);
753 } else if (ok < 0) {
754 pending = 0; /* too early */
755 } else
756 pending++;
757 }
758 spin_unlock_irq(&bus->reg_lock);
759 if (!pending)
760 return;
761 msleep(1);
762 }
763 }
764
765 /* clear irq_pending flags and assure no on-going workq */
766 static void azx_clear_irq_pending(struct azx *chip)
767 {
768 struct hdac_bus *bus = azx_bus(chip);
769 struct hdac_stream *s;
770
771 spin_lock_irq(&bus->reg_lock);
772 list_for_each_entry(s, &bus->stream_list, list) {
773 struct azx_dev *azx_dev = stream_to_azx_dev(s);
774 azx_dev->irq_pending = 0;
775 }
776 spin_unlock_irq(&bus->reg_lock);
777 }
778
779 static int azx_acquire_irq(struct azx *chip, int do_disconnect)
780 {
781 struct hdac_bus *bus = azx_bus(chip);
782
783 if (request_irq(chip->pci->irq, azx_interrupt,
784 chip->msi ? 0 : IRQF_SHARED,
785 chip->card->irq_descr, chip)) {
786 dev_err(chip->card->dev,
787 "unable to grab IRQ %d, disabling device\n",
788 chip->pci->irq);
789 if (do_disconnect)
790 snd_card_disconnect(chip->card);
791 return -1;
792 }
793 bus->irq = chip->pci->irq;
794 chip->card->sync_irq = bus->irq;
795 pci_intx(chip->pci, !chip->msi);
796 return 0;
797 }
798
799 /* get the current DMA position with correction on VIA chips */
800 static unsigned int azx_via_get_position(struct azx *chip,
801 struct azx_dev *azx_dev)
802 {
803 unsigned int link_pos, mini_pos, bound_pos;
804 unsigned int mod_link_pos, mod_dma_pos, mod_mini_pos;
805 unsigned int fifo_size;
806
807 link_pos = snd_hdac_stream_get_pos_lpib(azx_stream(azx_dev));
808 if (azx_dev->core.substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
809 /* Playback, no problem using link position */
810 return link_pos;
811 }
812
813 /* Capture */
814 /* For new chipset,
815 * use mod to get the DMA position just like old chipset
816 */
817 mod_dma_pos = le32_to_cpu(*azx_dev->core.posbuf);
818 mod_dma_pos %= azx_dev->core.period_bytes;
819
820 fifo_size = azx_stream(azx_dev)->fifo_size - 1;
821
822 if (azx_dev->insufficient) {
823 /* Link position never gather than FIFO size */
824 if (link_pos <= fifo_size)
825 return 0;
826
827 azx_dev->insufficient = 0;
828 }
829
830 if (link_pos <= fifo_size)
831 mini_pos = azx_dev->core.bufsize + link_pos - fifo_size;
832 else
833 mini_pos = link_pos - fifo_size;
834
835 /* Find nearest previous boudary */
836 mod_mini_pos = mini_pos % azx_dev->core.period_bytes;
837 mod_link_pos = link_pos % azx_dev->core.period_bytes;
838 if (mod_link_pos >= fifo_size)
839 bound_pos = link_pos - mod_link_pos;
840 else if (mod_dma_pos >= mod_mini_pos)
841 bound_pos = mini_pos - mod_mini_pos;
842 else {
843 bound_pos = mini_pos - mod_mini_pos + azx_dev->core.period_bytes;
844 if (bound_pos >= azx_dev->core.bufsize)
845 bound_pos = 0;
846 }
847
848 /* Calculate real DMA position we want */
849 return bound_pos + mod_dma_pos;
850 }
851
852 #define AMD_FIFO_SIZE 32
853
854 /* get the current DMA position with FIFO size correction */
855 static unsigned int azx_get_pos_fifo(struct azx *chip, struct azx_dev *azx_dev)
856 {
857 struct snd_pcm_substream *substream = azx_dev->core.substream;
858 struct snd_pcm_runtime *runtime = substream->runtime;
859 unsigned int pos, delay;
860
861 pos = snd_hdac_stream_get_pos_lpib(azx_stream(azx_dev));
862 if (!runtime)
863 return pos;
864
865 runtime->delay = AMD_FIFO_SIZE;
866 delay = frames_to_bytes(runtime, AMD_FIFO_SIZE);
867 if (azx_dev->insufficient) {
868 if (pos < delay) {
869 delay = pos;
870 runtime->delay = bytes_to_frames(runtime, pos);
871 } else {
872 azx_dev->insufficient = 0;
873 }
874 }
875
876 /* correct the DMA position for capture stream */
877 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
878 if (pos < delay)
879 pos += azx_dev->core.bufsize;
880 pos -= delay;
881 }
882
883 return pos;
884 }
885
886 static int azx_get_delay_from_fifo(struct azx *chip, struct azx_dev *azx_dev,
887 unsigned int pos)
888 {
889 struct snd_pcm_substream *substream = azx_dev->core.substream;
890
891 /* just read back the calculated value in the above */
892 return substream->runtime->delay;
893 }
894
895 static unsigned int azx_skl_get_dpib_pos(struct azx *chip,
896 struct azx_dev *azx_dev)
897 {
898 return _snd_hdac_chip_readl(azx_bus(chip),
899 AZX_REG_VS_SDXDPIB_XBASE +
900 (AZX_REG_VS_SDXDPIB_XINTERVAL *
901 azx_dev->core.index));
902 }
903
904 /* get the current DMA position with correction on SKL+ chips */
905 static unsigned int azx_get_pos_skl(struct azx *chip, struct azx_dev *azx_dev)
906 {
907 /* DPIB register gives a more accurate position for playback */
908 if (azx_dev->core.substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
909 return azx_skl_get_dpib_pos(chip, azx_dev);
910
911 /* For capture, we need to read posbuf, but it requires a delay
912 * for the possible boundary overlap; the read of DPIB fetches the
913 * actual posbuf
914 */
915 udelay(20);
916 azx_skl_get_dpib_pos(chip, azx_dev);
917 return azx_get_pos_posbuf(chip, azx_dev);
918 }
919
920 #ifdef CONFIG_PM
921 static DEFINE_MUTEX(card_list_lock);
922 static LIST_HEAD(card_list);
923
924 static void azx_add_card_list(struct azx *chip)
925 {
926 struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
927 mutex_lock(&card_list_lock);
928 list_add(&hda->list, &card_list);
929 mutex_unlock(&card_list_lock);
930 }
931
932 static void azx_del_card_list(struct azx *chip)
933 {
934 struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
935 mutex_lock(&card_list_lock);
936 list_del_init(&hda->list);
937 mutex_unlock(&card_list_lock);
938 }
939
940 /* trigger power-save check at writing parameter */
941 static int param_set_xint(const char *val, const struct kernel_param *kp)
942 {
943 struct hda_intel *hda;
944 struct azx *chip;
945 int prev = power_save;
946 int ret = param_set_int(val, kp);
947
948 if (ret || prev == power_save)
949 return ret;
950
951 mutex_lock(&card_list_lock);
952 list_for_each_entry(hda, &card_list, list) {
953 chip = &hda->chip;
954 if (!hda->probe_continued || chip->disabled)
955 continue;
956 snd_hda_set_power_save(&chip->bus, power_save * 1000);
957 }
958 mutex_unlock(&card_list_lock);
959 return 0;
960 }
961
962 /*
963 * power management
964 */
965 static bool azx_is_pm_ready(struct snd_card *card)
966 {
967 struct azx *chip;
968 struct hda_intel *hda;
969
970 if (!card)
971 return false;
972 chip = card->private_data;
973 hda = container_of(chip, struct hda_intel, chip);
974 if (chip->disabled || hda->init_failed || !chip->running)
975 return false;
976 return true;
977 }
978
979 static void __azx_runtime_suspend(struct azx *chip)
980 {
981 azx_stop_chip(chip);
982 azx_enter_link_reset(chip);
983 azx_clear_irq_pending(chip);
984 display_power(chip, false);
985 }
986
987 static void __azx_runtime_resume(struct azx *chip)
988 {
989 struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
990 struct hdac_bus *bus = azx_bus(chip);
991 struct hda_codec *codec;
992 int status;
993
994 display_power(chip, true);
995 if (hda->need_i915_power)
996 snd_hdac_i915_set_bclk(bus);
997
998 /* Read STATESTS before controller reset */
999 status = azx_readw(chip, STATESTS);
1000
1001 azx_init_pci(chip);
1002 hda_intel_init_chip(chip, true);
1003
1004 /* Avoid codec resume if runtime resume is for system suspend */
1005 if (!chip->pm_prepared) {
1006 list_for_each_codec(codec, &chip->bus) {
1007 if (codec->relaxed_resume)
1008 continue;
1009
1010 if (codec->forced_resume || (status & (1 << codec->addr)))
1011 pm_request_resume(hda_codec_dev(codec));
1012 }
1013 }
1014
1015 /* power down again for link-controlled chips */
1016 if (!hda->need_i915_power)
1017 display_power(chip, false);
1018 }
1019
1020 #ifdef CONFIG_PM_SLEEP
1021 static int azx_prepare(struct device *dev)
1022 {
1023 struct snd_card *card = dev_get_drvdata(dev);
1024 struct azx *chip;
1025
1026 chip = card->private_data;
1027 chip->pm_prepared = 1;
1028
1029 /* HDA controller always requires different WAKEEN for runtime suspend
1030 * and system suspend, so don't use direct-complete here.
1031 */
1032 return 0;
1033 }
1034
1035 static void azx_complete(struct device *dev)
1036 {
1037 struct snd_card *card = dev_get_drvdata(dev);
1038 struct azx *chip;
1039
1040 chip = card->private_data;
1041 chip->pm_prepared = 0;
1042 }
1043
1044 static int azx_suspend(struct device *dev)
1045 {
1046 struct snd_card *card = dev_get_drvdata(dev);
1047 struct azx *chip;
1048 struct hdac_bus *bus;
1049
1050 if (!azx_is_pm_ready(card))
1051 return 0;
1052
1053 chip = card->private_data;
1054 bus = azx_bus(chip);
1055 __azx_runtime_suspend(chip);
1056 if (bus->irq >= 0) {
1057 free_irq(bus->irq, chip);
1058 bus->irq = -1;
1059 chip->card->sync_irq = -1;
1060 }
1061
1062 if (chip->msi)
1063 pci_disable_msi(chip->pci);
1064
1065 trace_azx_suspend(chip);
1066 return 0;
1067 }
1068
1069 static int azx_resume(struct device *dev)
1070 {
1071 struct snd_card *card = dev_get_drvdata(dev);
1072 struct azx *chip;
1073
1074 if (!azx_is_pm_ready(card))
1075 return 0;
1076
1077 chip = card->private_data;
1078 if (chip->msi)
1079 if (pci_enable_msi(chip->pci) < 0)
1080 chip->msi = 0;
1081 if (azx_acquire_irq(chip, 1) < 0)
1082 return -EIO;
1083
1084 __azx_runtime_resume(chip);
1085
1086 trace_azx_resume(chip);
1087 return 0;
1088 }
1089
1090 /* put codec down to D3 at hibernation for Intel SKL+;
1091 * otherwise BIOS may still access the codec and screw up the driver
1092 */
1093 static int azx_freeze_noirq(struct device *dev)
1094 {
1095 struct snd_card *card = dev_get_drvdata(dev);
1096 struct azx *chip = card->private_data;
1097 struct pci_dev *pci = to_pci_dev(dev);
1098
1099 if (!azx_is_pm_ready(card))
1100 return 0;
1101 if (chip->driver_type == AZX_DRIVER_SKL)
1102 pci_set_power_state(pci, PCI_D3hot);
1103
1104 return 0;
1105 }
1106
1107 static int azx_thaw_noirq(struct device *dev)
1108 {
1109 struct snd_card *card = dev_get_drvdata(dev);
1110 struct azx *chip = card->private_data;
1111 struct pci_dev *pci = to_pci_dev(dev);
1112
1113 if (!azx_is_pm_ready(card))
1114 return 0;
1115 if (chip->driver_type == AZX_DRIVER_SKL)
1116 pci_set_power_state(pci, PCI_D0);
1117
1118 return 0;
1119 }
1120 #endif /* CONFIG_PM_SLEEP */
1121
1122 static int azx_runtime_suspend(struct device *dev)
1123 {
1124 struct snd_card *card = dev_get_drvdata(dev);
1125 struct azx *chip;
1126
1127 if (!azx_is_pm_ready(card))
1128 return 0;
1129 chip = card->private_data;
1130
1131 /* enable controller wake up event */
1132 azx_writew(chip, WAKEEN, azx_readw(chip, WAKEEN) | STATESTS_INT_MASK);
1133
1134 __azx_runtime_suspend(chip);
1135 trace_azx_runtime_suspend(chip);
1136 return 0;
1137 }
1138
1139 static int azx_runtime_resume(struct device *dev)
1140 {
1141 struct snd_card *card = dev_get_drvdata(dev);
1142 struct azx *chip;
1143
1144 if (!azx_is_pm_ready(card))
1145 return 0;
1146 chip = card->private_data;
1147 __azx_runtime_resume(chip);
1148
1149 /* disable controller Wake Up event*/
1150 azx_writew(chip, WAKEEN, azx_readw(chip, WAKEEN) & ~STATESTS_INT_MASK);
1151
1152 trace_azx_runtime_resume(chip);
1153 return 0;
1154 }
1155
1156 static int azx_runtime_idle(struct device *dev)
1157 {
1158 struct snd_card *card = dev_get_drvdata(dev);
1159 struct azx *chip;
1160 struct hda_intel *hda;
1161
1162 if (!card)
1163 return 0;
1164
1165 chip = card->private_data;
1166 hda = container_of(chip, struct hda_intel, chip);
1167 if (chip->disabled || hda->init_failed)
1168 return 0;
1169
1170 if (!power_save_controller || !azx_has_pm_runtime(chip) ||
1171 azx_bus(chip)->codec_powered || !chip->running)
1172 return -EBUSY;
1173
1174 /* ELD notification gets broken when HD-audio bus is off */
1175 if (needs_eld_notify_link(chip))
1176 return -EBUSY;
1177
1178 return 0;
1179 }
1180
1181 static const struct dev_pm_ops azx_pm = {
1182 SET_SYSTEM_SLEEP_PM_OPS(azx_suspend, azx_resume)
1183 #ifdef CONFIG_PM_SLEEP
1184 .prepare = azx_prepare,
1185 .complete = azx_complete,
1186 .freeze_noirq = azx_freeze_noirq,
1187 .thaw_noirq = azx_thaw_noirq,
1188 #endif
1189 SET_RUNTIME_PM_OPS(azx_runtime_suspend, azx_runtime_resume, azx_runtime_idle)
1190 };
1191
1192 #define AZX_PM_OPS &azx_pm
1193 #else
1194 #define azx_add_card_list(chip) /* NOP */
1195 #define azx_del_card_list(chip) /* NOP */
1196 #define AZX_PM_OPS NULL
1197 #endif /* CONFIG_PM */
1198
1199
1200 static int azx_probe_continue(struct azx *chip);
1201
1202 #ifdef SUPPORT_VGA_SWITCHEROO
1203 static struct pci_dev *get_bound_vga(struct pci_dev *pci);
1204
1205 static void azx_vs_set_state(struct pci_dev *pci,
1206 enum vga_switcheroo_state state)
1207 {
1208 struct snd_card *card = pci_get_drvdata(pci);
1209 struct azx *chip = card->private_data;
1210 struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1211 struct hda_codec *codec;
1212 bool disabled;
1213
1214 wait_for_completion(&hda->probe_wait);
1215 if (hda->init_failed)
1216 return;
1217
1218 disabled = (state == VGA_SWITCHEROO_OFF);
1219 if (chip->disabled == disabled)
1220 return;
1221
1222 if (!hda->probe_continued) {
1223 chip->disabled = disabled;
1224 if (!disabled) {
1225 dev_info(chip->card->dev,
1226 "Start delayed initialization\n");
1227 if (azx_probe_continue(chip) < 0)
1228 dev_err(chip->card->dev, "initialization error\n");
1229 }
1230 } else {
1231 dev_info(chip->card->dev, "%s via vga_switcheroo\n",
1232 disabled ? "Disabling" : "Enabling");
1233 if (disabled) {
1234 list_for_each_codec(codec, &chip->bus) {
1235 pm_runtime_suspend(hda_codec_dev(codec));
1236 pm_runtime_disable(hda_codec_dev(codec));
1237 }
1238 pm_runtime_suspend(card->dev);
1239 pm_runtime_disable(card->dev);
1240 /* when we get suspended by vga_switcheroo we end up in D3cold,
1241 * however we have no ACPI handle, so pci/acpi can't put us there,
1242 * put ourselves there */
1243 pci->current_state = PCI_D3cold;
1244 chip->disabled = true;
1245 if (snd_hda_lock_devices(&chip->bus))
1246 dev_warn(chip->card->dev,
1247 "Cannot lock devices!\n");
1248 } else {
1249 snd_hda_unlock_devices(&chip->bus);
1250 chip->disabled = false;
1251 pm_runtime_enable(card->dev);
1252 list_for_each_codec(codec, &chip->bus) {
1253 pm_runtime_enable(hda_codec_dev(codec));
1254 pm_runtime_resume(hda_codec_dev(codec));
1255 }
1256 }
1257 }
1258 }
1259
1260 static bool azx_vs_can_switch(struct pci_dev *pci)
1261 {
1262 struct snd_card *card = pci_get_drvdata(pci);
1263 struct azx *chip = card->private_data;
1264 struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1265
1266 wait_for_completion(&hda->probe_wait);
1267 if (hda->init_failed)
1268 return false;
1269 if (chip->disabled || !hda->probe_continued)
1270 return true;
1271 if (snd_hda_lock_devices(&chip->bus))
1272 return false;
1273 snd_hda_unlock_devices(&chip->bus);
1274 return true;
1275 }
1276
1277 /*
1278 * The discrete GPU cannot power down unless the HDA controller runtime
1279 * suspends, so activate runtime PM on codecs even if power_save == 0.
1280 */
1281 static void setup_vga_switcheroo_runtime_pm(struct azx *chip)
1282 {
1283 struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1284 struct hda_codec *codec;
1285
1286 if (hda->use_vga_switcheroo && !needs_eld_notify_link(chip)) {
1287 list_for_each_codec(codec, &chip->bus)
1288 codec->auto_runtime_pm = 1;
1289 /* reset the power save setup */
1290 if (chip->running)
1291 set_default_power_save(chip);
1292 }
1293 }
1294
1295 static void azx_vs_gpu_bound(struct pci_dev *pci,
1296 enum vga_switcheroo_client_id client_id)
1297 {
1298 struct snd_card *card = pci_get_drvdata(pci);
1299 struct azx *chip = card->private_data;
1300
1301 if (client_id == VGA_SWITCHEROO_DIS)
1302 chip->bus.keep_power = 0;
1303 setup_vga_switcheroo_runtime_pm(chip);
1304 }
1305
1306 static void init_vga_switcheroo(struct azx *chip)
1307 {
1308 struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1309 struct pci_dev *p = get_bound_vga(chip->pci);
1310 struct pci_dev *parent;
1311 if (p) {
1312 dev_info(chip->card->dev,
1313 "Handle vga_switcheroo audio client\n");
1314 hda->use_vga_switcheroo = 1;
1315
1316 /* cleared in either gpu_bound op or codec probe, or when its
1317 * upstream port has _PR3 (i.e. dGPU).
1318 */
1319 parent = pci_upstream_bridge(p);
1320 chip->bus.keep_power = parent ? !pci_pr3_present(parent) : 1;
1321 chip->driver_caps |= AZX_DCAPS_PM_RUNTIME;
1322 pci_dev_put(p);
1323 }
1324 }
1325
1326 static const struct vga_switcheroo_client_ops azx_vs_ops = {
1327 .set_gpu_state = azx_vs_set_state,
1328 .can_switch = azx_vs_can_switch,
1329 .gpu_bound = azx_vs_gpu_bound,
1330 };
1331
1332 static int register_vga_switcheroo(struct azx *chip)
1333 {
1334 struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1335 struct pci_dev *p;
1336 int err;
1337
1338 if (!hda->use_vga_switcheroo)
1339 return 0;
1340
1341 p = get_bound_vga(chip->pci);
1342 err = vga_switcheroo_register_audio_client(chip->pci, &azx_vs_ops, p);
1343 pci_dev_put(p);
1344
1345 if (err < 0)
1346 return err;
1347 hda->vga_switcheroo_registered = 1;
1348
1349 return 0;
1350 }
1351 #else
1352 #define init_vga_switcheroo(chip) /* NOP */
1353 #define register_vga_switcheroo(chip) 0
1354 #define check_hdmi_disabled(pci) false
1355 #define setup_vga_switcheroo_runtime_pm(chip) /* NOP */
1356 #endif /* SUPPORT_VGA_SWITCHER */
1357
1358 /*
1359 * destructor
1360 */
1361 static void azx_free(struct azx *chip)
1362 {
1363 struct pci_dev *pci = chip->pci;
1364 struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1365 struct hdac_bus *bus = azx_bus(chip);
1366
1367 if (hda->freed)
1368 return;
1369
1370 if (azx_has_pm_runtime(chip) && chip->running)
1371 pm_runtime_get_noresume(&pci->dev);
1372 chip->running = 0;
1373
1374 azx_del_card_list(chip);
1375
1376 hda->init_failed = 1; /* to be sure */
1377 complete_all(&hda->probe_wait);
1378
1379 if (use_vga_switcheroo(hda)) {
1380 if (chip->disabled && hda->probe_continued)
1381 snd_hda_unlock_devices(&chip->bus);
1382 if (hda->vga_switcheroo_registered)
1383 vga_switcheroo_unregister_client(chip->pci);
1384 }
1385
1386 if (bus->chip_init) {
1387 azx_clear_irq_pending(chip);
1388 azx_stop_all_streams(chip);
1389 azx_stop_chip(chip);
1390 }
1391
1392 if (bus->irq >= 0)
1393 free_irq(bus->irq, (void*)chip);
1394 if (chip->msi)
1395 pci_disable_msi(chip->pci);
1396 iounmap(bus->remap_addr);
1397
1398 azx_free_stream_pages(chip);
1399 azx_free_streams(chip);
1400 snd_hdac_bus_exit(bus);
1401
1402 if (chip->region_requested)
1403 pci_release_regions(chip->pci);
1404
1405 pci_disable_device(chip->pci);
1406 #ifdef CONFIG_SND_HDA_PATCH_LOADER
1407 release_firmware(chip->fw);
1408 #endif
1409 display_power(chip, false);
1410
1411 if (chip->driver_caps & AZX_DCAPS_I915_COMPONENT)
1412 snd_hdac_i915_exit(bus);
1413
1414 hda->freed = 1;
1415 }
1416
1417 static int azx_dev_disconnect(struct snd_device *device)
1418 {
1419 struct azx *chip = device->device_data;
1420 struct hdac_bus *bus = azx_bus(chip);
1421
1422 chip->bus.shutdown = 1;
1423 cancel_work_sync(&bus->unsol_work);
1424
1425 return 0;
1426 }
1427
1428 static int azx_dev_free(struct snd_device *device)
1429 {
1430 azx_free(device->device_data);
1431 return 0;
1432 }
1433
1434 #ifdef SUPPORT_VGA_SWITCHEROO
1435 #ifdef CONFIG_ACPI
1436 /* ATPX is in the integrated GPU's namespace */
1437 static bool atpx_present(void)
1438 {
1439 struct pci_dev *pdev = NULL;
1440 acpi_handle dhandle, atpx_handle;
1441 acpi_status status;
1442
1443 while ((pdev = pci_get_class(PCI_CLASS_DISPLAY_VGA << 8, pdev)) != NULL) {
1444 dhandle = ACPI_HANDLE(&pdev->dev);
1445 if (dhandle) {
1446 status = acpi_get_handle(dhandle, "ATPX", &atpx_handle);
1447 if (!ACPI_FAILURE(status)) {
1448 pci_dev_put(pdev);
1449 return true;
1450 }
1451 }
1452 }
1453 while ((pdev = pci_get_class(PCI_CLASS_DISPLAY_OTHER << 8, pdev)) != NULL) {
1454 dhandle = ACPI_HANDLE(&pdev->dev);
1455 if (dhandle) {
1456 status = acpi_get_handle(dhandle, "ATPX", &atpx_handle);
1457 if (!ACPI_FAILURE(status)) {
1458 pci_dev_put(pdev);
1459 return true;
1460 }
1461 }
1462 }
1463 return false;
1464 }
1465 #else
1466 static bool atpx_present(void)
1467 {
1468 return false;
1469 }
1470 #endif
1471
1472 /*
1473 * Check of disabled HDMI controller by vga_switcheroo
1474 */
1475 static struct pci_dev *get_bound_vga(struct pci_dev *pci)
1476 {
1477 struct pci_dev *p;
1478
1479 /* check only discrete GPU */
1480 switch (pci->vendor) {
1481 case PCI_VENDOR_ID_ATI:
1482 case PCI_VENDOR_ID_AMD:
1483 if (pci->devfn == 1) {
1484 p = pci_get_domain_bus_and_slot(pci_domain_nr(pci->bus),
1485 pci->bus->number, 0);
1486 if (p) {
1487 /* ATPX is in the integrated GPU's ACPI namespace
1488 * rather than the dGPU's namespace. However,
1489 * the dGPU is the one who is involved in
1490 * vgaswitcheroo.
1491 */
1492 if (((p->class >> 16) == PCI_BASE_CLASS_DISPLAY) &&
1493 atpx_present())
1494 return p;
1495 pci_dev_put(p);
1496 }
1497 }
1498 break;
1499 case PCI_VENDOR_ID_NVIDIA:
1500 if (pci->devfn == 1) {
1501 p = pci_get_domain_bus_and_slot(pci_domain_nr(pci->bus),
1502 pci->bus->number, 0);
1503 if (p) {
1504 if ((p->class >> 16) == PCI_BASE_CLASS_DISPLAY)
1505 return p;
1506 pci_dev_put(p);
1507 }
1508 }
1509 break;
1510 }
1511 return NULL;
1512 }
1513
1514 static bool check_hdmi_disabled(struct pci_dev *pci)
1515 {
1516 bool vga_inactive = false;
1517 struct pci_dev *p = get_bound_vga(pci);
1518
1519 if (p) {
1520 if (vga_switcheroo_get_client_state(p) == VGA_SWITCHEROO_OFF)
1521 vga_inactive = true;
1522 pci_dev_put(p);
1523 }
1524 return vga_inactive;
1525 }
1526 #endif /* SUPPORT_VGA_SWITCHEROO */
1527
1528 /*
1529 * allow/deny-listing for position_fix
1530 */
1531 static const struct snd_pci_quirk position_fix_list[] = {
1532 SND_PCI_QUIRK(0x1028, 0x01cc, "Dell D820", POS_FIX_LPIB),
1533 SND_PCI_QUIRK(0x1028, 0x01de, "Dell Precision 390", POS_FIX_LPIB),
1534 SND_PCI_QUIRK(0x103c, 0x306d, "HP dv3", POS_FIX_LPIB),
1535 SND_PCI_QUIRK(0x1043, 0x813d, "ASUS P5AD2", POS_FIX_LPIB),
1536 SND_PCI_QUIRK(0x1043, 0x81b3, "ASUS", POS_FIX_LPIB),
1537 SND_PCI_QUIRK(0x1043, 0x81e7, "ASUS M2V", POS_FIX_LPIB),
1538 SND_PCI_QUIRK(0x104d, 0x9069, "Sony VPCS11V9E", POS_FIX_LPIB),
1539 SND_PCI_QUIRK(0x10de, 0xcb89, "Macbook Pro 7,1", POS_FIX_LPIB),
1540 SND_PCI_QUIRK(0x1297, 0x3166, "Shuttle", POS_FIX_LPIB),
1541 SND_PCI_QUIRK(0x1458, 0xa022, "ga-ma770-ud3", POS_FIX_LPIB),
1542 SND_PCI_QUIRK(0x1462, 0x1002, "MSI Wind U115", POS_FIX_LPIB),
1543 SND_PCI_QUIRK(0x1565, 0x8218, "Biostar Microtech", POS_FIX_LPIB),
1544 SND_PCI_QUIRK(0x1849, 0x0888, "775Dual-VSTA", POS_FIX_LPIB),
1545 SND_PCI_QUIRK(0x8086, 0x2503, "DG965OT AAD63733-203", POS_FIX_LPIB),
1546 {}
1547 };
1548
1549 static int check_position_fix(struct azx *chip, int fix)
1550 {
1551 const struct snd_pci_quirk *q;
1552
1553 switch (fix) {
1554 case POS_FIX_AUTO:
1555 case POS_FIX_LPIB:
1556 case POS_FIX_POSBUF:
1557 case POS_FIX_VIACOMBO:
1558 case POS_FIX_COMBO:
1559 case POS_FIX_SKL:
1560 case POS_FIX_FIFO:
1561 return fix;
1562 }
1563
1564 q = snd_pci_quirk_lookup(chip->pci, position_fix_list);
1565 if (q) {
1566 dev_info(chip->card->dev,
1567 "position_fix set to %d for device %04x:%04x\n",
1568 q->value, q->subvendor, q->subdevice);
1569 return q->value;
1570 }
1571
1572 /* Check VIA/ATI HD Audio Controller exist */
1573 if (chip->driver_type == AZX_DRIVER_VIA) {
1574 dev_dbg(chip->card->dev, "Using VIACOMBO position fix\n");
1575 return POS_FIX_VIACOMBO;
1576 }
1577 if (chip->driver_caps & AZX_DCAPS_AMD_WORKAROUND) {
1578 dev_dbg(chip->card->dev, "Using FIFO position fix\n");
1579 return POS_FIX_FIFO;
1580 }
1581 if (chip->driver_caps & AZX_DCAPS_POSFIX_LPIB) {
1582 dev_dbg(chip->card->dev, "Using LPIB position fix\n");
1583 return POS_FIX_LPIB;
1584 }
1585 if (chip->driver_type == AZX_DRIVER_SKL) {
1586 dev_dbg(chip->card->dev, "Using SKL position fix\n");
1587 return POS_FIX_SKL;
1588 }
1589 return POS_FIX_AUTO;
1590 }
1591
1592 static void assign_position_fix(struct azx *chip, int fix)
1593 {
1594 static const azx_get_pos_callback_t callbacks[] = {
1595 [POS_FIX_AUTO] = NULL,
1596 [POS_FIX_LPIB] = azx_get_pos_lpib,
1597 [POS_FIX_POSBUF] = azx_get_pos_posbuf,
1598 [POS_FIX_VIACOMBO] = azx_via_get_position,
1599 [POS_FIX_COMBO] = azx_get_pos_lpib,
1600 [POS_FIX_SKL] = azx_get_pos_skl,
1601 [POS_FIX_FIFO] = azx_get_pos_fifo,
1602 };
1603
1604 chip->get_position[0] = chip->get_position[1] = callbacks[fix];
1605
1606 /* combo mode uses LPIB only for playback */
1607 if (fix == POS_FIX_COMBO)
1608 chip->get_position[1] = NULL;
1609
1610 if ((fix == POS_FIX_POSBUF || fix == POS_FIX_SKL) &&
1611 (chip->driver_caps & AZX_DCAPS_COUNT_LPIB_DELAY)) {
1612 chip->get_delay[0] = chip->get_delay[1] =
1613 azx_get_delay_from_lpib;
1614 }
1615
1616 if (fix == POS_FIX_FIFO)
1617 chip->get_delay[0] = chip->get_delay[1] =
1618 azx_get_delay_from_fifo;
1619 }
1620
1621 /*
1622 * deny-lists for probe_mask
1623 */
1624 static const struct snd_pci_quirk probe_mask_list[] = {
1625 /* Thinkpad often breaks the controller communication when accessing
1626 * to the non-working (or non-existing) modem codec slot.
1627 */
1628 SND_PCI_QUIRK(0x1014, 0x05b7, "Thinkpad Z60", 0x01),
1629 SND_PCI_QUIRK(0x17aa, 0x2010, "Thinkpad X/T/R60", 0x01),
1630 SND_PCI_QUIRK(0x17aa, 0x20ac, "Thinkpad X/T/R61", 0x01),
1631 /* broken BIOS */
1632 SND_PCI_QUIRK(0x1028, 0x20ac, "Dell Studio Desktop", 0x01),
1633 /* including bogus ALC268 in slot#2 that conflicts with ALC888 */
1634 SND_PCI_QUIRK(0x17c0, 0x4085, "Medion MD96630", 0x01),
1635 /* forced codec slots */
1636 SND_PCI_QUIRK(0x1043, 0x1262, "ASUS W5Fm", 0x103),
1637 SND_PCI_QUIRK(0x1046, 0x1262, "ASUS W5F", 0x103),
1638 /* WinFast VP200 H (Teradici) user reported broken communication */
1639 SND_PCI_QUIRK(0x3a21, 0x040d, "WinFast VP200 H", 0x101),
1640 {}
1641 };
1642
1643 #define AZX_FORCE_CODEC_MASK 0x100
1644
1645 static void check_probe_mask(struct azx *chip, int dev)
1646 {
1647 const struct snd_pci_quirk *q;
1648
1649 chip->codec_probe_mask = probe_mask[dev];
1650 if (chip->codec_probe_mask == -1) {
1651 q = snd_pci_quirk_lookup(chip->pci, probe_mask_list);
1652 if (q) {
1653 dev_info(chip->card->dev,
1654 "probe_mask set to 0x%x for device %04x:%04x\n",
1655 q->value, q->subvendor, q->subdevice);
1656 chip->codec_probe_mask = q->value;
1657 }
1658 }
1659
1660 /* check forced option */
1661 if (chip->codec_probe_mask != -1 &&
1662 (chip->codec_probe_mask & AZX_FORCE_CODEC_MASK)) {
1663 azx_bus(chip)->codec_mask = chip->codec_probe_mask & 0xff;
1664 dev_info(chip->card->dev, "codec_mask forced to 0x%x\n",
1665 (int)azx_bus(chip)->codec_mask);
1666 }
1667 }
1668
1669 /*
1670 * allow/deny-list for enable_msi
1671 */
1672 static const struct snd_pci_quirk msi_deny_list[] = {
1673 SND_PCI_QUIRK(0x103c, 0x2191, "HP", 0), /* AMD Hudson */
1674 SND_PCI_QUIRK(0x103c, 0x2192, "HP", 0), /* AMD Hudson */
1675 SND_PCI_QUIRK(0x103c, 0x21f7, "HP", 0), /* AMD Hudson */
1676 SND_PCI_QUIRK(0x103c, 0x21fa, "HP", 0), /* AMD Hudson */
1677 SND_PCI_QUIRK(0x1043, 0x81f2, "ASUS", 0), /* Athlon64 X2 + nvidia */
1678 SND_PCI_QUIRK(0x1043, 0x81f6, "ASUS", 0), /* nvidia */
1679 SND_PCI_QUIRK(0x1043, 0x822d, "ASUS", 0), /* Athlon64 X2 + nvidia MCP55 */
1680 SND_PCI_QUIRK(0x1179, 0xfb44, "Toshiba Satellite C870", 0), /* AMD Hudson */
1681 SND_PCI_QUIRK(0x1849, 0x0888, "ASRock", 0), /* Athlon64 X2 + nvidia */
1682 SND_PCI_QUIRK(0xa0a0, 0x0575, "Aopen MZ915-M", 0), /* ICH6 */
1683 {}
1684 };
1685
1686 static void check_msi(struct azx *chip)
1687 {
1688 const struct snd_pci_quirk *q;
1689
1690 if (enable_msi >= 0) {
1691 chip->msi = !!enable_msi;
1692 return;
1693 }
1694 chip->msi = 1; /* enable MSI as default */
1695 q = snd_pci_quirk_lookup(chip->pci, msi_deny_list);
1696 if (q) {
1697 dev_info(chip->card->dev,
1698 "msi for device %04x:%04x set to %d\n",
1699 q->subvendor, q->subdevice, q->value);
1700 chip->msi = q->value;
1701 return;
1702 }
1703
1704 /* NVidia chipsets seem to cause troubles with MSI */
1705 if (chip->driver_caps & AZX_DCAPS_NO_MSI) {
1706 dev_info(chip->card->dev, "Disabling MSI\n");
1707 chip->msi = 0;
1708 }
1709 }
1710
1711 /* check the snoop mode availability */
1712 static void azx_check_snoop_available(struct azx *chip)
1713 {
1714 int snoop = hda_snoop;
1715
1716 if (snoop >= 0) {
1717 dev_info(chip->card->dev, "Force to %s mode by module option\n",
1718 snoop ? "snoop" : "non-snoop");
1719 chip->snoop = snoop;
1720 chip->uc_buffer = !snoop;
1721 return;
1722 }
1723
1724 snoop = true;
1725 if (azx_get_snoop_type(chip) == AZX_SNOOP_TYPE_NONE &&
1726 chip->driver_type == AZX_DRIVER_VIA) {
1727 /* force to non-snoop mode for a new VIA controller
1728 * when BIOS is set
1729 */
1730 u8 val;
1731 pci_read_config_byte(chip->pci, 0x42, &val);
1732 if (!(val & 0x80) && (chip->pci->revision == 0x30 ||
1733 chip->pci->revision == 0x20))
1734 snoop = false;
1735 }
1736
1737 if (chip->driver_caps & AZX_DCAPS_SNOOP_OFF)
1738 snoop = false;
1739
1740 chip->snoop = snoop;
1741 if (!snoop) {
1742 dev_info(chip->card->dev, "Force to non-snoop mode\n");
1743 /* C-Media requires non-cached pages only for CORB/RIRB */
1744 if (chip->driver_type != AZX_DRIVER_CMEDIA)
1745 chip->uc_buffer = true;
1746 }
1747 }
1748
1749 static void azx_probe_work(struct work_struct *work)
1750 {
1751 struct hda_intel *hda = container_of(work, struct hda_intel, probe_work);
1752 azx_probe_continue(&hda->chip);
1753 }
1754
1755 static int default_bdl_pos_adj(struct azx *chip)
1756 {
1757 /* some exceptions: Atoms seem problematic with value 1 */
1758 if (chip->pci->vendor == PCI_VENDOR_ID_INTEL) {
1759 switch (chip->pci->device) {
1760 case 0x0f04: /* Baytrail */
1761 case 0x2284: /* Braswell */
1762 return 32;
1763 }
1764 }
1765
1766 switch (chip->driver_type) {
1767 case AZX_DRIVER_ICH:
1768 case AZX_DRIVER_PCH:
1769 return 1;
1770 default:
1771 return 32;
1772 }
1773 }
1774
1775 /*
1776 * constructor
1777 */
1778 static const struct hda_controller_ops pci_hda_ops;
1779
1780 static int azx_create(struct snd_card *card, struct pci_dev *pci,
1781 int dev, unsigned int driver_caps,
1782 struct azx **rchip)
1783 {
1784 static const struct snd_device_ops ops = {
1785 .dev_disconnect = azx_dev_disconnect,
1786 .dev_free = azx_dev_free,
1787 };
1788 struct hda_intel *hda;
1789 struct azx *chip;
1790 int err;
1791
1792 *rchip = NULL;
1793
1794 err = pci_enable_device(pci);
1795 if (err < 0)
1796 return err;
1797
1798 hda = devm_kzalloc(&pci->dev, sizeof(*hda), GFP_KERNEL);
1799 if (!hda) {
1800 pci_disable_device(pci);
1801 return -ENOMEM;
1802 }
1803
1804 chip = &hda->chip;
1805 mutex_init(&chip->open_mutex);
1806 chip->card = card;
1807 chip->pci = pci;
1808 chip->ops = &pci_hda_ops;
1809 chip->driver_caps = driver_caps;
1810 chip->driver_type = driver_caps & 0xff;
1811 check_msi(chip);
1812 chip->dev_index = dev;
1813 if (jackpoll_ms[dev] >= 50 && jackpoll_ms[dev] <= 60000)
1814 chip->jackpoll_interval = msecs_to_jiffies(jackpoll_ms[dev]);
1815 INIT_LIST_HEAD(&chip->pcm_list);
1816 INIT_WORK(&hda->irq_pending_work, azx_irq_pending_work);
1817 INIT_LIST_HEAD(&hda->list);
1818 init_vga_switcheroo(chip);
1819 init_completion(&hda->probe_wait);
1820
1821 assign_position_fix(chip, check_position_fix(chip, position_fix[dev]));
1822
1823 check_probe_mask(chip, dev);
1824
1825 if (single_cmd < 0) /* allow fallback to single_cmd at errors */
1826 chip->fallback_to_single_cmd = 1;
1827 else /* explicitly set to single_cmd or not */
1828 chip->single_cmd = single_cmd;
1829
1830 azx_check_snoop_available(chip);
1831
1832 if (bdl_pos_adj[dev] < 0)
1833 chip->bdl_pos_adj = default_bdl_pos_adj(chip);
1834 else
1835 chip->bdl_pos_adj = bdl_pos_adj[dev];
1836
1837 err = azx_bus_init(chip, model[dev]);
1838 if (err < 0) {
1839 pci_disable_device(pci);
1840 return err;
1841 }
1842
1843 /* use the non-cached pages in non-snoop mode */
1844 if (!azx_snoop(chip))
1845 azx_bus(chip)->dma_type = SNDRV_DMA_TYPE_DEV_UC;
1846
1847 if (chip->driver_type == AZX_DRIVER_NVIDIA) {
1848 dev_dbg(chip->card->dev, "Enable delay in RIRB handling\n");
1849 chip->bus.core.needs_damn_long_delay = 1;
1850 }
1851
1852 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
1853 if (err < 0) {
1854 dev_err(card->dev, "Error creating device [card]!\n");
1855 azx_free(chip);
1856 return err;
1857 }
1858
1859 /* continue probing in work context as may trigger request module */
1860 INIT_WORK(&hda->probe_work, azx_probe_work);
1861
1862 *rchip = chip;
1863
1864 return 0;
1865 }
1866
1867 static int azx_first_init(struct azx *chip)
1868 {
1869 int dev = chip->dev_index;
1870 struct pci_dev *pci = chip->pci;
1871 struct snd_card *card = chip->card;
1872 struct hdac_bus *bus = azx_bus(chip);
1873 int err;
1874 unsigned short gcap;
1875 unsigned int dma_bits = 64;
1876
1877 #if BITS_PER_LONG != 64
1878 /* Fix up base address on ULI M5461 */
1879 if (chip->driver_type == AZX_DRIVER_ULI) {
1880 u16 tmp3;
1881 pci_read_config_word(pci, 0x40, &tmp3);
1882 pci_write_config_word(pci, 0x40, tmp3 | 0x10);
1883 pci_write_config_dword(pci, PCI_BASE_ADDRESS_1, 0);
1884 }
1885 #endif
1886
1887 err = pci_request_regions(pci, "ICH HD audio");
1888 if (err < 0)
1889 return err;
1890 chip->region_requested = 1;
1891
1892 bus->addr = pci_resource_start(pci, 0);
1893 bus->remap_addr = pci_ioremap_bar(pci, 0);
1894 if (bus->remap_addr == NULL) {
1895 dev_err(card->dev, "ioremap error\n");
1896 return -ENXIO;
1897 }
1898
1899 if (chip->driver_type == AZX_DRIVER_SKL)
1900 snd_hdac_bus_parse_capabilities(bus);
1901
1902 /*
1903 * Some Intel CPUs has always running timer (ART) feature and
1904 * controller may have Global time sync reporting capability, so
1905 * check both of these before declaring synchronized time reporting
1906 * capability SNDRV_PCM_INFO_HAS_LINK_SYNCHRONIZED_ATIME
1907 */
1908 chip->gts_present = false;
1909
1910 #ifdef CONFIG_X86
1911 if (bus->ppcap && boot_cpu_has(X86_FEATURE_ART))
1912 chip->gts_present = true;
1913 #endif
1914
1915 if (chip->msi) {
1916 if (chip->driver_caps & AZX_DCAPS_NO_MSI64) {
1917 dev_dbg(card->dev, "Disabling 64bit MSI\n");
1918 pci->no_64bit_msi = true;
1919 }
1920 if (pci_enable_msi(pci) < 0)
1921 chip->msi = 0;
1922 }
1923
1924 pci_set_master(pci);
1925
1926 gcap = azx_readw(chip, GCAP);
1927 dev_dbg(card->dev, "chipset global capabilities = 0x%x\n", gcap);
1928
1929 /* AMD devices support 40 or 48bit DMA, take the safe one */
1930 if (chip->pci->vendor == PCI_VENDOR_ID_AMD)
1931 dma_bits = 40;
1932
1933 /* disable SB600 64bit support for safety */
1934 if (chip->pci->vendor == PCI_VENDOR_ID_ATI) {
1935 struct pci_dev *p_smbus;
1936 dma_bits = 40;
1937 p_smbus = pci_get_device(PCI_VENDOR_ID_ATI,
1938 PCI_DEVICE_ID_ATI_SBX00_SMBUS,
1939 NULL);
1940 if (p_smbus) {
1941 if (p_smbus->revision < 0x30)
1942 gcap &= ~AZX_GCAP_64OK;
1943 pci_dev_put(p_smbus);
1944 }
1945 }
1946
1947 /* NVidia hardware normally only supports up to 40 bits of DMA */
1948 if (chip->pci->vendor == PCI_VENDOR_ID_NVIDIA)
1949 dma_bits = 40;
1950
1951 /* disable 64bit DMA address on some devices */
1952 if (chip->driver_caps & AZX_DCAPS_NO_64BIT) {
1953 dev_dbg(card->dev, "Disabling 64bit DMA\n");
1954 gcap &= ~AZX_GCAP_64OK;
1955 }
1956
1957 /* disable buffer size rounding to 128-byte multiples if supported */
1958 if (align_buffer_size >= 0)
1959 chip->align_buffer_size = !!align_buffer_size;
1960 else {
1961 if (chip->driver_caps & AZX_DCAPS_NO_ALIGN_BUFSIZE)
1962 chip->align_buffer_size = 0;
1963 else
1964 chip->align_buffer_size = 1;
1965 }
1966
1967 /* allow 64bit DMA address if supported by H/W */
1968 if (!(gcap & AZX_GCAP_64OK))
1969 dma_bits = 32;
1970 if (!dma_set_mask(&pci->dev, DMA_BIT_MASK(dma_bits))) {
1971 dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(dma_bits));
1972 } else {
1973 dma_set_mask(&pci->dev, DMA_BIT_MASK(32));
1974 dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(32));
1975 }
1976
1977 /* read number of streams from GCAP register instead of using
1978 * hardcoded value
1979 */
1980 chip->capture_streams = (gcap >> 8) & 0x0f;
1981 chip->playback_streams = (gcap >> 12) & 0x0f;
1982 if (!chip->playback_streams && !chip->capture_streams) {
1983 /* gcap didn't give any info, switching to old method */
1984
1985 switch (chip->driver_type) {
1986 case AZX_DRIVER_ULI:
1987 chip->playback_streams = ULI_NUM_PLAYBACK;
1988 chip->capture_streams = ULI_NUM_CAPTURE;
1989 break;
1990 case AZX_DRIVER_ATIHDMI:
1991 case AZX_DRIVER_ATIHDMI_NS:
1992 chip->playback_streams = ATIHDMI_NUM_PLAYBACK;
1993 chip->capture_streams = ATIHDMI_NUM_CAPTURE;
1994 break;
1995 case AZX_DRIVER_GENERIC:
1996 default:
1997 chip->playback_streams = ICH6_NUM_PLAYBACK;
1998 chip->capture_streams = ICH6_NUM_CAPTURE;
1999 break;
2000 }
2001 }
2002 chip->capture_index_offset = 0;
2003 chip->playback_index_offset = chip->capture_streams;
2004 chip->num_streams = chip->playback_streams + chip->capture_streams;
2005
2006 /* sanity check for the SDxCTL.STRM field overflow */
2007 if (chip->num_streams > 15 &&
2008 (chip->driver_caps & AZX_DCAPS_SEPARATE_STREAM_TAG) == 0) {
2009 dev_warn(chip->card->dev, "number of I/O streams is %d, "
2010 "forcing separate stream tags", chip->num_streams);
2011 chip->driver_caps |= AZX_DCAPS_SEPARATE_STREAM_TAG;
2012 }
2013
2014 /* initialize streams */
2015 err = azx_init_streams(chip);
2016 if (err < 0)
2017 return err;
2018
2019 err = azx_alloc_stream_pages(chip);
2020 if (err < 0)
2021 return err;
2022
2023 /* initialize chip */
2024 azx_init_pci(chip);
2025
2026 snd_hdac_i915_set_bclk(bus);
2027
2028 hda_intel_init_chip(chip, (probe_only[dev] & 2) == 0);
2029
2030 /* codec detection */
2031 if (!azx_bus(chip)->codec_mask) {
2032 dev_err(card->dev, "no codecs found!\n");
2033 /* keep running the rest for the runtime PM */
2034 }
2035
2036 if (azx_acquire_irq(chip, 0) < 0)
2037 return -EBUSY;
2038
2039 strcpy(card->driver, "HDA-Intel");
2040 strlcpy(card->shortname, driver_short_names[chip->driver_type],
2041 sizeof(card->shortname));
2042 snprintf(card->longname, sizeof(card->longname),
2043 "%s at 0x%lx irq %i",
2044 card->shortname, bus->addr, bus->irq);
2045
2046 return 0;
2047 }
2048
2049 #ifdef CONFIG_SND_HDA_PATCH_LOADER
2050 /* callback from request_firmware_nowait() */
2051 static void azx_firmware_cb(const struct firmware *fw, void *context)
2052 {
2053 struct snd_card *card = context;
2054 struct azx *chip = card->private_data;
2055
2056 if (fw)
2057 chip->fw = fw;
2058 else
2059 dev_err(card->dev, "Cannot load firmware, continue without patching\n");
2060 if (!chip->disabled) {
2061 /* continue probing */
2062 azx_probe_continue(chip);
2063 }
2064 }
2065 #endif
2066
2067 static int disable_msi_reset_irq(struct azx *chip)
2068 {
2069 struct hdac_bus *bus = azx_bus(chip);
2070 int err;
2071
2072 free_irq(bus->irq, chip);
2073 bus->irq = -1;
2074 chip->card->sync_irq = -1;
2075 pci_disable_msi(chip->pci);
2076 chip->msi = 0;
2077 err = azx_acquire_irq(chip, 1);
2078 if (err < 0)
2079 return err;
2080
2081 return 0;
2082 }
2083
2084 static void pcm_mmap_prepare(struct snd_pcm_substream *substream,
2085 struct vm_area_struct *area)
2086 {
2087 #ifdef CONFIG_X86
2088 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
2089 struct azx *chip = apcm->chip;
2090 if (chip->uc_buffer)
2091 area->vm_page_prot = pgprot_writecombine(area->vm_page_prot);
2092 #endif
2093 }
2094
2095 /* Denylist for skipping the whole probe:
2096 * some HD-audio PCI entries are exposed without any codecs, and such devices
2097 * should be ignored from the beginning.
2098 */
2099 static const struct pci_device_id driver_denylist[] = {
2100 { PCI_DEVICE_SUB(0x1022, 0x1487, 0x1043, 0x874f) }, /* ASUS ROG Zenith II / Strix */
2101 { PCI_DEVICE_SUB(0x1022, 0x1487, 0x1462, 0xcb59) }, /* MSI TRX40 Creator */
2102 { PCI_DEVICE_SUB(0x1022, 0x1487, 0x1462, 0xcb60) }, /* MSI TRX40 */
2103 {}
2104 };
2105
2106 static const struct hda_controller_ops pci_hda_ops = {
2107 .disable_msi_reset_irq = disable_msi_reset_irq,
2108 .pcm_mmap_prepare = pcm_mmap_prepare,
2109 .position_check = azx_position_check,
2110 };
2111
2112 static int azx_probe(struct pci_dev *pci,
2113 const struct pci_device_id *pci_id)
2114 {
2115 static int dev;
2116 struct snd_card *card;
2117 struct hda_intel *hda;
2118 struct azx *chip;
2119 bool schedule_probe;
2120 int err;
2121
2122 if (pci_match_id(driver_denylist, pci)) {
2123 dev_info(&pci->dev, "Skipping the device on the denylist\n");
2124 return -ENODEV;
2125 }
2126
2127 if (dev >= SNDRV_CARDS)
2128 return -ENODEV;
2129 if (!enable[dev]) {
2130 dev++;
2131 return -ENOENT;
2132 }
2133
2134 /*
2135 * stop probe if another Intel's DSP driver should be activated
2136 */
2137 if (dmic_detect) {
2138 err = snd_intel_dsp_driver_probe(pci);
2139 if (err != SND_INTEL_DSP_DRIVER_ANY && err != SND_INTEL_DSP_DRIVER_LEGACY) {
2140 dev_dbg(&pci->dev, "HDAudio driver not selected, aborting probe\n");
2141 return -ENODEV;
2142 }
2143 } else {
2144 dev_warn(&pci->dev, "dmic_detect option is deprecated, pass snd-intel-dspcfg.dsp_driver=1 option instead\n");
2145 }
2146
2147 err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2148 0, &card);
2149 if (err < 0) {
2150 dev_err(&pci->dev, "Error creating card!\n");
2151 return err;
2152 }
2153
2154 err = azx_create(card, pci, dev, pci_id->driver_data, &chip);
2155 if (err < 0)
2156 goto out_free;
2157 card->private_data = chip;
2158 hda = container_of(chip, struct hda_intel, chip);
2159
2160 pci_set_drvdata(pci, card);
2161
2162 err = register_vga_switcheroo(chip);
2163 if (err < 0) {
2164 dev_err(card->dev, "Error registering vga_switcheroo client\n");
2165 goto out_free;
2166 }
2167
2168 if (check_hdmi_disabled(pci)) {
2169 dev_info(card->dev, "VGA controller is disabled\n");
2170 dev_info(card->dev, "Delaying initialization\n");
2171 chip->disabled = true;
2172 }
2173
2174 schedule_probe = !chip->disabled;
2175
2176 #ifdef CONFIG_SND_HDA_PATCH_LOADER
2177 if (patch[dev] && *patch[dev]) {
2178 dev_info(card->dev, "Applying patch firmware '%s'\n",
2179 patch[dev]);
2180 err = request_firmware_nowait(THIS_MODULE, true, patch[dev],
2181 &pci->dev, GFP_KERNEL, card,
2182 azx_firmware_cb);
2183 if (err < 0)
2184 goto out_free;
2185 schedule_probe = false; /* continued in azx_firmware_cb() */
2186 }
2187 #endif /* CONFIG_SND_HDA_PATCH_LOADER */
2188
2189 #ifndef CONFIG_SND_HDA_I915
2190 if (CONTROLLER_IN_GPU(pci))
2191 dev_err(card->dev, "Haswell/Broadwell HDMI/DP must build in CONFIG_SND_HDA_I915\n");
2192 #endif
2193
2194 if (schedule_probe)
2195 schedule_work(&hda->probe_work);
2196
2197 dev++;
2198 if (chip->disabled)
2199 complete_all(&hda->probe_wait);
2200 return 0;
2201
2202 out_free:
2203 snd_card_free(card);
2204 return err;
2205 }
2206
2207 #ifdef CONFIG_PM
2208 /* On some boards setting power_save to a non 0 value leads to clicking /
2209 * popping sounds when ever we enter/leave powersaving mode. Ideally we would
2210 * figure out how to avoid these sounds, but that is not always feasible.
2211 * So we keep a list of devices where we disable powersaving as its known
2212 * to causes problems on these devices.
2213 */
2214 static const struct snd_pci_quirk power_save_denylist[] = {
2215 /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */
2216 SND_PCI_QUIRK(0x1849, 0xc892, "Asrock B85M-ITX", 0),
2217 /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */
2218 SND_PCI_QUIRK(0x1849, 0x0397, "Asrock N68C-S UCC", 0),
2219 /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */
2220 SND_PCI_QUIRK(0x1849, 0x7662, "Asrock H81M-HDS", 0),
2221 /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */
2222 SND_PCI_QUIRK(0x1043, 0x8733, "Asus Prime X370-Pro", 0),
2223 /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */
2224 SND_PCI_QUIRK(0x1558, 0x6504, "Clevo W65_67SB", 0),
2225 /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */
2226 SND_PCI_QUIRK(0x1028, 0x0497, "Dell Precision T3600", 0),
2227 /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */
2228 /* Note the P55A-UD3 and Z87-D3HP share the subsys id for the HDA dev */
2229 SND_PCI_QUIRK(0x1458, 0xa002, "Gigabyte P55A-UD3 / Z87-D3HP", 0),
2230 /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */
2231 SND_PCI_QUIRK(0x8086, 0x2040, "Intel DZ77BH-55K", 0),
2232 /* https://bugzilla.kernel.org/show_bug.cgi?id=199607 */
2233 SND_PCI_QUIRK(0x8086, 0x2057, "Intel NUC5i7RYB", 0),
2234 /* https://bugs.launchpad.net/bugs/1821663 */
2235 SND_PCI_QUIRK(0x8086, 0x2064, "Intel SDP 8086:2064", 0),
2236 /* https://bugzilla.redhat.com/show_bug.cgi?id=1520902 */
2237 SND_PCI_QUIRK(0x8086, 0x2068, "Intel NUC7i3BNB", 0),
2238 /* https://bugzilla.kernel.org/show_bug.cgi?id=198611 */
2239 SND_PCI_QUIRK(0x17aa, 0x2227, "Lenovo X1 Carbon 3rd Gen", 0),
2240 /* https://bugzilla.redhat.com/show_bug.cgi?id=1689623 */
2241 SND_PCI_QUIRK(0x17aa, 0x367b, "Lenovo IdeaCentre B550", 0),
2242 /* https://bugzilla.redhat.com/show_bug.cgi?id=1572975 */
2243 SND_PCI_QUIRK(0x17aa, 0x36a7, "Lenovo C50 All in one", 0),
2244 /* https://bugs.launchpad.net/bugs/1821663 */
2245 SND_PCI_QUIRK(0x1631, 0xe017, "Packard Bell NEC IMEDIA 5204", 0),
2246 {}
2247 };
2248 #endif /* CONFIG_PM */
2249
2250 static void set_default_power_save(struct azx *chip)
2251 {
2252 int val = power_save;
2253
2254 #ifdef CONFIG_PM
2255 if (pm_blacklist) {
2256 const struct snd_pci_quirk *q;
2257
2258 q = snd_pci_quirk_lookup(chip->pci, power_save_denylist);
2259 if (q && val) {
2260 dev_info(chip->card->dev, "device %04x:%04x is on the power_save denylist, forcing power_save to 0\n",
2261 q->subvendor, q->subdevice);
2262 val = 0;
2263 }
2264 }
2265 #endif /* CONFIG_PM */
2266 snd_hda_set_power_save(&chip->bus, val * 1000);
2267 }
2268
2269 /* number of codec slots for each chipset: 0 = default slots (i.e. 4) */
2270 static const unsigned int azx_max_codecs[AZX_NUM_DRIVERS] = {
2271 [AZX_DRIVER_NVIDIA] = 8,
2272 [AZX_DRIVER_TERA] = 1,
2273 };
2274
2275 static int azx_probe_continue(struct azx *chip)
2276 {
2277 struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
2278 struct hdac_bus *bus = azx_bus(chip);
2279 struct pci_dev *pci = chip->pci;
2280 int dev = chip->dev_index;
2281 int err;
2282
2283 to_hda_bus(bus)->bus_probing = 1;
2284 hda->probe_continued = 1;
2285
2286 /* bind with i915 if needed */
2287 if (chip->driver_caps & AZX_DCAPS_I915_COMPONENT) {
2288 err = snd_hdac_i915_init(bus);
2289 if (err < 0) {
2290 /* if the controller is bound only with HDMI/DP
2291 * (for HSW and BDW), we need to abort the probe;
2292 * for other chips, still continue probing as other
2293 * codecs can be on the same link.
2294 */
2295 if (CONTROLLER_IN_GPU(pci)) {
2296 dev_err(chip->card->dev,
2297 "HSW/BDW HD-audio HDMI/DP requires binding with gfx driver\n");
2298 goto out_free;
2299 } else {
2300 /* don't bother any longer */
2301 chip->driver_caps &= ~AZX_DCAPS_I915_COMPONENT;
2302 }
2303 }
2304
2305 /* HSW/BDW controllers need this power */
2306 if (CONTROLLER_IN_GPU(pci))
2307 hda->need_i915_power = 1;
2308 }
2309
2310 /* Request display power well for the HDA controller or codec. For
2311 * Haswell/Broadwell, both the display HDA controller and codec need
2312 * this power. For other platforms, like Baytrail/Braswell, only the
2313 * display codec needs the power and it can be released after probe.
2314 */
2315 display_power(chip, true);
2316
2317 err = azx_first_init(chip);
2318 if (err < 0)
2319 goto out_free;
2320
2321 #ifdef CONFIG_SND_HDA_INPUT_BEEP
2322 chip->beep_mode = beep_mode[dev];
2323 #endif
2324
2325 /* create codec instances */
2326 if (bus->codec_mask) {
2327 err = azx_probe_codecs(chip, azx_max_codecs[chip->driver_type]);
2328 if (err < 0)
2329 goto out_free;
2330 }
2331
2332 #ifdef CONFIG_SND_HDA_PATCH_LOADER
2333 if (chip->fw) {
2334 err = snd_hda_load_patch(&chip->bus, chip->fw->size,
2335 chip->fw->data);
2336 if (err < 0)
2337 goto out_free;
2338 #ifndef CONFIG_PM
2339 release_firmware(chip->fw); /* no longer needed */
2340 chip->fw = NULL;
2341 #endif
2342 }
2343 #endif
2344 if (bus->codec_mask && !(probe_only[dev] & 1)) {
2345 err = azx_codec_configure(chip);
2346 if (err < 0)
2347 goto out_free;
2348 }
2349
2350 err = snd_card_register(chip->card);
2351 if (err < 0)
2352 goto out_free;
2353
2354 setup_vga_switcheroo_runtime_pm(chip);
2355
2356 chip->running = 1;
2357 azx_add_card_list(chip);
2358
2359 set_default_power_save(chip);
2360
2361 if (azx_has_pm_runtime(chip)) {
2362 pm_runtime_use_autosuspend(&pci->dev);
2363 pm_runtime_allow(&pci->dev);
2364 pm_runtime_put_autosuspend(&pci->dev);
2365 }
2366
2367 out_free:
2368 if (err < 0) {
2369 azx_free(chip);
2370 return err;
2371 }
2372
2373 if (!hda->need_i915_power)
2374 display_power(chip, false);
2375 complete_all(&hda->probe_wait);
2376 to_hda_bus(bus)->bus_probing = 0;
2377 return 0;
2378 }
2379
2380 static void azx_remove(struct pci_dev *pci)
2381 {
2382 struct snd_card *card = pci_get_drvdata(pci);
2383 struct azx *chip;
2384 struct hda_intel *hda;
2385
2386 if (card) {
2387 /* cancel the pending probing work */
2388 chip = card->private_data;
2389 hda = container_of(chip, struct hda_intel, chip);
2390 /* FIXME: below is an ugly workaround.
2391 * Both device_release_driver() and driver_probe_device()
2392 * take *both* the device's and its parent's lock before
2393 * calling the remove() and probe() callbacks. The codec
2394 * probe takes the locks of both the codec itself and its
2395 * parent, i.e. the PCI controller dev. Meanwhile, when
2396 * the PCI controller is unbound, it takes its lock, too
2397 * ==> ouch, a deadlock!
2398 * As a workaround, we unlock temporarily here the controller
2399 * device during cancel_work_sync() call.
2400 */
2401 device_unlock(&pci->dev);
2402 cancel_work_sync(&hda->probe_work);
2403 device_lock(&pci->dev);
2404
2405 snd_card_free(card);
2406 }
2407 }
2408
2409 static void azx_shutdown(struct pci_dev *pci)
2410 {
2411 struct snd_card *card = pci_get_drvdata(pci);
2412 struct azx *chip;
2413
2414 if (!card)
2415 return;
2416 chip = card->private_data;
2417 if (chip && chip->running)
2418 azx_stop_chip(chip);
2419 }
2420
2421 /* PCI IDs */
2422 static const struct pci_device_id azx_ids[] = {
2423 /* CPT */
2424 { PCI_DEVICE(0x8086, 0x1c20),
2425 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM },
2426 /* PBG */
2427 { PCI_DEVICE(0x8086, 0x1d20),
2428 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM },
2429 /* Panther Point */
2430 { PCI_DEVICE(0x8086, 0x1e20),
2431 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM },
2432 /* Lynx Point */
2433 { PCI_DEVICE(0x8086, 0x8c20),
2434 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2435 /* 9 Series */
2436 { PCI_DEVICE(0x8086, 0x8ca0),
2437 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2438 /* Wellsburg */
2439 { PCI_DEVICE(0x8086, 0x8d20),
2440 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2441 { PCI_DEVICE(0x8086, 0x8d21),
2442 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2443 /* Lewisburg */
2444 { PCI_DEVICE(0x8086, 0xa1f0),
2445 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE },
2446 { PCI_DEVICE(0x8086, 0xa270),
2447 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE },
2448 /* Lynx Point-LP */
2449 { PCI_DEVICE(0x8086, 0x9c20),
2450 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2451 /* Lynx Point-LP */
2452 { PCI_DEVICE(0x8086, 0x9c21),
2453 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2454 /* Wildcat Point-LP */
2455 { PCI_DEVICE(0x8086, 0x9ca0),
2456 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2457 /* Sunrise Point */
2458 { PCI_DEVICE(0x8086, 0xa170),
2459 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE },
2460 /* Sunrise Point-LP */
2461 { PCI_DEVICE(0x8086, 0x9d70),
2462 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE },
2463 /* Kabylake */
2464 { PCI_DEVICE(0x8086, 0xa171),
2465 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE },
2466 /* Kabylake-LP */
2467 { PCI_DEVICE(0x8086, 0x9d71),
2468 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE },
2469 /* Kabylake-H */
2470 { PCI_DEVICE(0x8086, 0xa2f0),
2471 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE },
2472 /* Coffelake */
2473 { PCI_DEVICE(0x8086, 0xa348),
2474 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
2475 /* Cannonlake */
2476 { PCI_DEVICE(0x8086, 0x9dc8),
2477 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
2478 /* CometLake-LP */
2479 { PCI_DEVICE(0x8086, 0x02C8),
2480 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
2481 /* CometLake-H */
2482 { PCI_DEVICE(0x8086, 0x06C8),
2483 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
2484 /* CometLake-S */
2485 { PCI_DEVICE(0x8086, 0xa3f0),
2486 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
2487 /* Icelake */
2488 { PCI_DEVICE(0x8086, 0x34c8),
2489 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
2490 /* Icelake-H */
2491 { PCI_DEVICE(0x8086, 0x3dc8),
2492 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
2493 /* Jasperlake */
2494 { PCI_DEVICE(0x8086, 0x38c8),
2495 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
2496 { PCI_DEVICE(0x8086, 0x4dc8),
2497 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
2498 /* Tigerlake */
2499 { PCI_DEVICE(0x8086, 0xa0c8),
2500 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
2501 /* Tigerlake-H */
2502 { PCI_DEVICE(0x8086, 0x43c8),
2503 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
2504 /* DG1 */
2505 { PCI_DEVICE(0x8086, 0x490d),
2506 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
2507 /* Alderlake-S */
2508 { PCI_DEVICE(0x8086, 0x7ad0),
2509 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
2510 /* Elkhart Lake */
2511 { PCI_DEVICE(0x8086, 0x4b55),
2512 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
2513 { PCI_DEVICE(0x8086, 0x4b58),
2514 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
2515 /* Broxton-P(Apollolake) */
2516 { PCI_DEVICE(0x8086, 0x5a98),
2517 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_BROXTON },
2518 /* Broxton-T */
2519 { PCI_DEVICE(0x8086, 0x1a98),
2520 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_BROXTON },
2521 /* Gemini-Lake */
2522 { PCI_DEVICE(0x8086, 0x3198),
2523 .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_BROXTON },
2524 /* Haswell */
2525 { PCI_DEVICE(0x8086, 0x0a0c),
2526 .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL },
2527 { PCI_DEVICE(0x8086, 0x0c0c),
2528 .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL },
2529 { PCI_DEVICE(0x8086, 0x0d0c),
2530 .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL },
2531 /* Broadwell */
2532 { PCI_DEVICE(0x8086, 0x160c),
2533 .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_BROADWELL },
2534 /* 5 Series/3400 */
2535 { PCI_DEVICE(0x8086, 0x3b56),
2536 .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_NOPM },
2537 /* Poulsbo */
2538 { PCI_DEVICE(0x8086, 0x811b),
2539 .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_BASE },
2540 /* Oaktrail */
2541 { PCI_DEVICE(0x8086, 0x080a),
2542 .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_BASE },
2543 /* BayTrail */
2544 { PCI_DEVICE(0x8086, 0x0f04),
2545 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BAYTRAIL },
2546 /* Braswell */
2547 { PCI_DEVICE(0x8086, 0x2284),
2548 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BRASWELL },
2549 /* ICH6 */
2550 { PCI_DEVICE(0x8086, 0x2668),
2551 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2552 /* ICH7 */
2553 { PCI_DEVICE(0x8086, 0x27d8),
2554 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2555 /* ESB2 */
2556 { PCI_DEVICE(0x8086, 0x269a),
2557 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2558 /* ICH8 */
2559 { PCI_DEVICE(0x8086, 0x284b),
2560 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2561 /* ICH9 */
2562 { PCI_DEVICE(0x8086, 0x293e),
2563 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2564 /* ICH9 */
2565 { PCI_DEVICE(0x8086, 0x293f),
2566 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2567 /* ICH10 */
2568 { PCI_DEVICE(0x8086, 0x3a3e),
2569 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2570 /* ICH10 */
2571 { PCI_DEVICE(0x8086, 0x3a6e),
2572 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2573 /* Generic Intel */
2574 { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_ANY_ID),
2575 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2576 .class_mask = 0xffffff,
2577 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_NO_ALIGN_BUFSIZE },
2578 /* ATI SB 450/600/700/800/900 */
2579 { PCI_DEVICE(0x1002, 0x437b),
2580 .driver_data = AZX_DRIVER_ATI | AZX_DCAPS_PRESET_ATI_SB },
2581 { PCI_DEVICE(0x1002, 0x4383),
2582 .driver_data = AZX_DRIVER_ATI | AZX_DCAPS_PRESET_ATI_SB },
2583 /* AMD Hudson */
2584 { PCI_DEVICE(0x1022, 0x780d),
2585 .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB },
2586 /* AMD, X370 & co */
2587 { PCI_DEVICE(0x1022, 0x1457),
2588 .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_AMD_SB },
2589 /* AMD, X570 & co */
2590 { PCI_DEVICE(0x1022, 0x1487),
2591 .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_AMD_SB },
2592 /* AMD Stoney */
2593 { PCI_DEVICE(0x1022, 0x157a),
2594 .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB |
2595 AZX_DCAPS_PM_RUNTIME },
2596 /* AMD Raven */
2597 { PCI_DEVICE(0x1022, 0x15e3),
2598 .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_AMD_SB },
2599 /* ATI HDMI */
2600 { PCI_DEVICE(0x1002, 0x0002),
2601 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2602 { PCI_DEVICE(0x1002, 0x1308),
2603 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2604 { PCI_DEVICE(0x1002, 0x157a),
2605 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2606 { PCI_DEVICE(0x1002, 0x15b3),
2607 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2608 { PCI_DEVICE(0x1002, 0x793b),
2609 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2610 { PCI_DEVICE(0x1002, 0x7919),
2611 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2612 { PCI_DEVICE(0x1002, 0x960f),
2613 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2614 { PCI_DEVICE(0x1002, 0x970f),
2615 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2616 { PCI_DEVICE(0x1002, 0x9840),
2617 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2618 { PCI_DEVICE(0x1002, 0xaa00),
2619 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2620 { PCI_DEVICE(0x1002, 0xaa08),
2621 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2622 { PCI_DEVICE(0x1002, 0xaa10),
2623 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2624 { PCI_DEVICE(0x1002, 0xaa18),
2625 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2626 { PCI_DEVICE(0x1002, 0xaa20),
2627 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2628 { PCI_DEVICE(0x1002, 0xaa28),
2629 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2630 { PCI_DEVICE(0x1002, 0xaa30),
2631 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2632 { PCI_DEVICE(0x1002, 0xaa38),
2633 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2634 { PCI_DEVICE(0x1002, 0xaa40),
2635 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2636 { PCI_DEVICE(0x1002, 0xaa48),
2637 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2638 { PCI_DEVICE(0x1002, 0xaa50),
2639 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2640 { PCI_DEVICE(0x1002, 0xaa58),
2641 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2642 { PCI_DEVICE(0x1002, 0xaa60),
2643 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2644 { PCI_DEVICE(0x1002, 0xaa68),
2645 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2646 { PCI_DEVICE(0x1002, 0xaa80),
2647 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2648 { PCI_DEVICE(0x1002, 0xaa88),
2649 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2650 { PCI_DEVICE(0x1002, 0xaa90),
2651 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2652 { PCI_DEVICE(0x1002, 0xaa98),
2653 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2654 { PCI_DEVICE(0x1002, 0x9902),
2655 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2656 { PCI_DEVICE(0x1002, 0xaaa0),
2657 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2658 { PCI_DEVICE(0x1002, 0xaaa8),
2659 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2660 { PCI_DEVICE(0x1002, 0xaab0),
2661 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2662 { PCI_DEVICE(0x1002, 0xaac0),
2663 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2664 { PCI_DEVICE(0x1002, 0xaac8),
2665 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2666 { PCI_DEVICE(0x1002, 0xaad8),
2667 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2668 AZX_DCAPS_PM_RUNTIME },
2669 { PCI_DEVICE(0x1002, 0xaae0),
2670 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2671 AZX_DCAPS_PM_RUNTIME },
2672 { PCI_DEVICE(0x1002, 0xaae8),
2673 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2674 AZX_DCAPS_PM_RUNTIME },
2675 { PCI_DEVICE(0x1002, 0xaaf0),
2676 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2677 AZX_DCAPS_PM_RUNTIME },
2678 { PCI_DEVICE(0x1002, 0xaaf8),
2679 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2680 AZX_DCAPS_PM_RUNTIME },
2681 { PCI_DEVICE(0x1002, 0xab00),
2682 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2683 AZX_DCAPS_PM_RUNTIME },
2684 { PCI_DEVICE(0x1002, 0xab08),
2685 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2686 AZX_DCAPS_PM_RUNTIME },
2687 { PCI_DEVICE(0x1002, 0xab10),
2688 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2689 AZX_DCAPS_PM_RUNTIME },
2690 { PCI_DEVICE(0x1002, 0xab18),
2691 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2692 AZX_DCAPS_PM_RUNTIME },
2693 { PCI_DEVICE(0x1002, 0xab20),
2694 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2695 AZX_DCAPS_PM_RUNTIME },
2696 { PCI_DEVICE(0x1002, 0xab28),
2697 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2698 AZX_DCAPS_PM_RUNTIME },
2699 { PCI_DEVICE(0x1002, 0xab38),
2700 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2701 AZX_DCAPS_PM_RUNTIME },
2702 /* VIA VT8251/VT8237A */
2703 { PCI_DEVICE(0x1106, 0x3288), .driver_data = AZX_DRIVER_VIA },
2704 /* VIA GFX VT7122/VX900 */
2705 { PCI_DEVICE(0x1106, 0x9170), .driver_data = AZX_DRIVER_GENERIC },
2706 /* VIA GFX VT6122/VX11 */
2707 { PCI_DEVICE(0x1106, 0x9140), .driver_data = AZX_DRIVER_GENERIC },
2708 /* SIS966 */
2709 { PCI_DEVICE(0x1039, 0x7502), .driver_data = AZX_DRIVER_SIS },
2710 /* ULI M5461 */
2711 { PCI_DEVICE(0x10b9, 0x5461), .driver_data = AZX_DRIVER_ULI },
2712 /* NVIDIA MCP */
2713 { PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
2714 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2715 .class_mask = 0xffffff,
2716 .driver_data = AZX_DRIVER_NVIDIA | AZX_DCAPS_PRESET_NVIDIA },
2717 /* Teradici */
2718 { PCI_DEVICE(0x6549, 0x1200),
2719 .driver_data = AZX_DRIVER_TERA | AZX_DCAPS_NO_64BIT },
2720 { PCI_DEVICE(0x6549, 0x2200),
2721 .driver_data = AZX_DRIVER_TERA | AZX_DCAPS_NO_64BIT },
2722 /* Creative X-Fi (CA0110-IBG) */
2723 /* CTHDA chips */
2724 { PCI_DEVICE(0x1102, 0x0010),
2725 .driver_data = AZX_DRIVER_CTHDA | AZX_DCAPS_PRESET_CTHDA },
2726 { PCI_DEVICE(0x1102, 0x0012),
2727 .driver_data = AZX_DRIVER_CTHDA | AZX_DCAPS_PRESET_CTHDA },
2728 #if !IS_ENABLED(CONFIG_SND_CTXFI)
2729 /* the following entry conflicts with snd-ctxfi driver,
2730 * as ctxfi driver mutates from HD-audio to native mode with
2731 * a special command sequence.
2732 */
2733 { PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_ANY_ID),
2734 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2735 .class_mask = 0xffffff,
2736 .driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND |
2737 AZX_DCAPS_NO_64BIT | AZX_DCAPS_POSFIX_LPIB },
2738 #else
2739 /* this entry seems still valid -- i.e. without emu20kx chip */
2740 { PCI_DEVICE(0x1102, 0x0009),
2741 .driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND |
2742 AZX_DCAPS_NO_64BIT | AZX_DCAPS_POSFIX_LPIB },
2743 #endif
2744 /* CM8888 */
2745 { PCI_DEVICE(0x13f6, 0x5011),
2746 .driver_data = AZX_DRIVER_CMEDIA |
2747 AZX_DCAPS_NO_MSI | AZX_DCAPS_POSFIX_LPIB | AZX_DCAPS_SNOOP_OFF },
2748 /* Vortex86MX */
2749 { PCI_DEVICE(0x17f3, 0x3010), .driver_data = AZX_DRIVER_GENERIC },
2750 /* VMware HDAudio */
2751 { PCI_DEVICE(0x15ad, 0x1977), .driver_data = AZX_DRIVER_GENERIC },
2752 /* AMD/ATI Generic, PCI class code and Vendor ID for HD Audio */
2753 { PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_ANY_ID),
2754 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2755 .class_mask = 0xffffff,
2756 .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_HDMI },
2757 { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_ANY_ID),
2758 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2759 .class_mask = 0xffffff,
2760 .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_HDMI },
2761 /* Zhaoxin */
2762 { PCI_DEVICE(0x1d17, 0x3288), .driver_data = AZX_DRIVER_ZHAOXIN },
2763 { 0, }
2764 };
2765 MODULE_DEVICE_TABLE(pci, azx_ids);
2766
2767 /* pci_driver definition */
2768 static struct pci_driver azx_driver = {
2769 .name = KBUILD_MODNAME,
2770 .id_table = azx_ids,
2771 .probe = azx_probe,
2772 .remove = azx_remove,
2773 .shutdown = azx_shutdown,
2774 .driver = {
2775 .pm = AZX_PM_OPS,
2776 },
2777 };
2778
2779 module_pci_driver(azx_driver);
Linux with added FPC-III support