xref: /linux/sound/pci/hda/hda_intel.c (revision da5b2ad1c2f18834cb1ce429e2e5a5cf5cbdf21b)
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
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 <linux/dma-map-ops.h>
44 #include <asm/set_memory.h>
45 #include <asm/cpufeature.h>
46 #endif
47 #include <sound/core.h>
48 #include <sound/initval.h>
49 #include <sound/hdaudio.h>
50 #include <sound/hda_i915.h>
51 #include <sound/intel-dsp-config.h>
52 #include <linux/vgaarb.h>
53 #include <linux/vga_switcheroo.h>
54 #include <linux/apple-gmux.h>
55 #include <linux/firmware.h>
56 #include <sound/hda_codec.h>
57 #include "hda_controller.h"
58 #include "hda_intel.h"
59 
60 #define CREATE_TRACE_POINTS
61 #include "hda_intel_trace.h"
62 
63 /* position fix mode */
64 enum {
65 	POS_FIX_AUTO,
66 	POS_FIX_LPIB,
67 	POS_FIX_POSBUF,
68 	POS_FIX_VIACOMBO,
69 	POS_FIX_COMBO,
70 	POS_FIX_SKL,
71 	POS_FIX_FIFO,
72 };
73 
74 /* Defines for ATI HD Audio support in SB450 south bridge */
75 #define ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR   0x42
76 #define ATI_SB450_HDAUDIO_ENABLE_SNOOP      0x02
77 
78 /* Defines for Nvidia HDA support */
79 #define NVIDIA_HDA_TRANSREG_ADDR      0x4e
80 #define NVIDIA_HDA_ENABLE_COHBITS     0x0f
81 #define NVIDIA_HDA_ISTRM_COH          0x4d
82 #define NVIDIA_HDA_OSTRM_COH          0x4c
83 #define NVIDIA_HDA_ENABLE_COHBIT      0x01
84 
85 /* Defines for Intel SCH HDA snoop control */
86 #define INTEL_HDA_CGCTL	 0x48
87 #define INTEL_HDA_CGCTL_MISCBDCGE        (0x1 << 6)
88 #define INTEL_SCH_HDA_DEVC      0x78
89 #define INTEL_SCH_HDA_DEVC_NOSNOOP       (0x1<<11)
90 
91 /* max number of SDs */
92 /* ICH, ATI and VIA have 4 playback and 4 capture */
93 #define ICH6_NUM_CAPTURE	4
94 #define ICH6_NUM_PLAYBACK	4
95 
96 /* ULI has 6 playback and 5 capture */
97 #define ULI_NUM_CAPTURE		5
98 #define ULI_NUM_PLAYBACK	6
99 
100 /* ATI HDMI may have up to 8 playbacks and 0 capture */
101 #define ATIHDMI_NUM_CAPTURE	0
102 #define ATIHDMI_NUM_PLAYBACK	8
103 
104 
105 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
106 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
107 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
108 static char *model[SNDRV_CARDS];
109 static int position_fix[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
110 static int bdl_pos_adj[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
111 static int probe_mask[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
112 static int probe_only[SNDRV_CARDS];
113 static int jackpoll_ms[SNDRV_CARDS];
114 static int single_cmd = -1;
115 static int enable_msi = -1;
116 #ifdef CONFIG_SND_HDA_PATCH_LOADER
117 static char *patch[SNDRV_CARDS];
118 #endif
119 #ifdef CONFIG_SND_HDA_INPUT_BEEP
120 static bool beep_mode[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] =
121 					CONFIG_SND_HDA_INPUT_BEEP_MODE};
122 #endif
123 static bool dmic_detect = 1;
124 static bool ctl_dev_id = IS_ENABLED(CONFIG_SND_HDA_CTL_DEV_ID) ? 1 : 0;
125 
126 module_param_array(index, int, NULL, 0444);
127 MODULE_PARM_DESC(index, "Index value for Intel HD audio interface.");
128 module_param_array(id, charp, NULL, 0444);
129 MODULE_PARM_DESC(id, "ID string for Intel HD audio interface.");
130 module_param_array(enable, bool, NULL, 0444);
131 MODULE_PARM_DESC(enable, "Enable Intel HD audio interface.");
132 module_param_array(model, charp, NULL, 0444);
133 MODULE_PARM_DESC(model, "Use the given board model.");
134 module_param_array(position_fix, int, NULL, 0444);
135 MODULE_PARM_DESC(position_fix, "DMA pointer read method."
136 		 "(-1 = system default, 0 = auto, 1 = LPIB, 2 = POSBUF, 3 = VIACOMBO, 4 = COMBO, 5 = SKL+, 6 = FIFO).");
137 module_param_array(bdl_pos_adj, int, NULL, 0644);
138 MODULE_PARM_DESC(bdl_pos_adj, "BDL position adjustment offset.");
139 module_param_array(probe_mask, int, NULL, 0444);
140 MODULE_PARM_DESC(probe_mask, "Bitmask to probe codecs (default = -1).");
141 module_param_array(probe_only, int, NULL, 0444);
142 MODULE_PARM_DESC(probe_only, "Only probing and no codec initialization.");
143 module_param_array(jackpoll_ms, int, NULL, 0444);
144 MODULE_PARM_DESC(jackpoll_ms, "Ms between polling for jack events (default = 0, using unsol events only)");
145 module_param(single_cmd, bint, 0444);
146 MODULE_PARM_DESC(single_cmd, "Use single command to communicate with codecs "
147 		 "(for debugging only).");
148 module_param(enable_msi, bint, 0444);
149 MODULE_PARM_DESC(enable_msi, "Enable Message Signaled Interrupt (MSI)");
150 #ifdef CONFIG_SND_HDA_PATCH_LOADER
151 module_param_array(patch, charp, NULL, 0444);
152 MODULE_PARM_DESC(patch, "Patch file for Intel HD audio interface.");
153 #endif
154 #ifdef CONFIG_SND_HDA_INPUT_BEEP
155 module_param_array(beep_mode, bool, NULL, 0444);
156 MODULE_PARM_DESC(beep_mode, "Select HDA Beep registration mode "
157 			    "(0=off, 1=on) (default=1).");
158 #endif
159 module_param(dmic_detect, bool, 0444);
160 MODULE_PARM_DESC(dmic_detect, "Allow DSP driver selection (bypass this driver) "
161 			     "(0=off, 1=on) (default=1); "
162 		 "deprecated, use snd-intel-dspcfg.dsp_driver option instead");
163 module_param(ctl_dev_id, bool, 0444);
164 MODULE_PARM_DESC(ctl_dev_id, "Use control device identifier (based on codec address).");
165 
166 #ifdef CONFIG_PM
167 static int param_set_xint(const char *val, const struct kernel_param *kp);
168 static const struct kernel_param_ops param_ops_xint = {
169 	.set = param_set_xint,
170 	.get = param_get_int,
171 };
172 #define param_check_xint param_check_int
173 
174 static int power_save = CONFIG_SND_HDA_POWER_SAVE_DEFAULT;
175 module_param(power_save, xint, 0644);
176 MODULE_PARM_DESC(power_save, "Automatic power-saving timeout "
177 		 "(in second, 0 = disable).");
178 
179 static bool pm_blacklist = true;
180 module_param(pm_blacklist, bool, 0644);
181 MODULE_PARM_DESC(pm_blacklist, "Enable power-management denylist");
182 
183 /* reset the HD-audio controller in power save mode.
184  * this may give more power-saving, but will take longer time to
185  * wake up.
186  */
187 static bool power_save_controller = 1;
188 module_param(power_save_controller, bool, 0644);
189 MODULE_PARM_DESC(power_save_controller, "Reset controller in power save mode.");
190 #else /* CONFIG_PM */
191 #define power_save	0
192 #define pm_blacklist	false
193 #define power_save_controller	false
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_DESCRIPTION("Intel HDA driver");
212 
213 #if defined(CONFIG_PM) && defined(CONFIG_VGA_SWITCHEROO)
214 #if IS_ENABLED(CONFIG_SND_HDA_CODEC_HDMI)
215 #define SUPPORT_VGA_SWITCHEROO
216 #endif
217 #endif
218 
219 
220 /*
221  */
222 
223 /* driver types */
224 enum {
225 	AZX_DRIVER_ICH,
226 	AZX_DRIVER_PCH,
227 	AZX_DRIVER_SCH,
228 	AZX_DRIVER_SKL,
229 	AZX_DRIVER_HDMI,
230 	AZX_DRIVER_ATI,
231 	AZX_DRIVER_ATIHDMI,
232 	AZX_DRIVER_ATIHDMI_NS,
233 	AZX_DRIVER_GFHDMI,
234 	AZX_DRIVER_VIA,
235 	AZX_DRIVER_SIS,
236 	AZX_DRIVER_ULI,
237 	AZX_DRIVER_NVIDIA,
238 	AZX_DRIVER_TERA,
239 	AZX_DRIVER_CTX,
240 	AZX_DRIVER_CTHDA,
241 	AZX_DRIVER_CMEDIA,
242 	AZX_DRIVER_ZHAOXIN,
243 	AZX_DRIVER_LOONGSON,
244 	AZX_DRIVER_GENERIC,
245 	AZX_NUM_DRIVERS, /* keep this as last entry */
246 };
247 
248 #define azx_get_snoop_type(chip) \
249 	(((chip)->driver_caps & AZX_DCAPS_SNOOP_MASK) >> 10)
250 #define AZX_DCAPS_SNOOP_TYPE(type) ((AZX_SNOOP_TYPE_ ## type) << 10)
251 
252 /* quirks for old Intel chipsets */
253 #define AZX_DCAPS_INTEL_ICH \
254 	(AZX_DCAPS_OLD_SSYNC | AZX_DCAPS_NO_ALIGN_BUFSIZE)
255 
256 /* quirks for Intel PCH */
257 #define AZX_DCAPS_INTEL_PCH_BASE \
258 	(AZX_DCAPS_NO_ALIGN_BUFSIZE | AZX_DCAPS_COUNT_LPIB_DELAY |\
259 	 AZX_DCAPS_SNOOP_TYPE(SCH))
260 
261 /* PCH up to IVB; no runtime PM; bind with i915 gfx */
262 #define AZX_DCAPS_INTEL_PCH_NOPM \
263 	(AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_I915_COMPONENT)
264 
265 /* PCH for HSW/BDW; with runtime PM */
266 /* no i915 binding for this as HSW/BDW has another controller for HDMI */
267 #define AZX_DCAPS_INTEL_PCH \
268 	(AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_PM_RUNTIME)
269 
270 /* HSW HDMI */
271 #define AZX_DCAPS_INTEL_HASWELL \
272 	(/*AZX_DCAPS_ALIGN_BUFSIZE |*/ AZX_DCAPS_COUNT_LPIB_DELAY |\
273 	 AZX_DCAPS_PM_RUNTIME | AZX_DCAPS_I915_COMPONENT |\
274 	 AZX_DCAPS_SNOOP_TYPE(SCH))
275 
276 /* Broadwell HDMI can't use position buffer reliably, force to use LPIB */
277 #define AZX_DCAPS_INTEL_BROADWELL \
278 	(/*AZX_DCAPS_ALIGN_BUFSIZE |*/ AZX_DCAPS_POSFIX_LPIB |\
279 	 AZX_DCAPS_PM_RUNTIME | AZX_DCAPS_I915_COMPONENT |\
280 	 AZX_DCAPS_SNOOP_TYPE(SCH))
281 
282 #define AZX_DCAPS_INTEL_BAYTRAIL \
283 	(AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_I915_COMPONENT)
284 
285 #define AZX_DCAPS_INTEL_BRASWELL \
286 	(AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_PM_RUNTIME |\
287 	 AZX_DCAPS_I915_COMPONENT)
288 
289 #define AZX_DCAPS_INTEL_SKYLAKE \
290 	(AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_PM_RUNTIME |\
291 	 AZX_DCAPS_SEPARATE_STREAM_TAG | AZX_DCAPS_I915_COMPONENT)
292 
293 #define AZX_DCAPS_INTEL_BROXTON		AZX_DCAPS_INTEL_SKYLAKE
294 
295 #define AZX_DCAPS_INTEL_LNL \
296 	(AZX_DCAPS_INTEL_SKYLAKE | AZX_DCAPS_PIO_COMMANDS)
297 
298 /* quirks for ATI SB / AMD Hudson */
299 #define AZX_DCAPS_PRESET_ATI_SB \
300 	(AZX_DCAPS_NO_TCSEL | AZX_DCAPS_POSFIX_LPIB |\
301 	 AZX_DCAPS_SNOOP_TYPE(ATI))
302 
303 /* quirks for ATI/AMD HDMI */
304 #define AZX_DCAPS_PRESET_ATI_HDMI \
305 	(AZX_DCAPS_NO_TCSEL | AZX_DCAPS_POSFIX_LPIB|\
306 	 AZX_DCAPS_NO_MSI64)
307 
308 /* quirks for ATI HDMI with snoop off */
309 #define AZX_DCAPS_PRESET_ATI_HDMI_NS \
310 	(AZX_DCAPS_PRESET_ATI_HDMI | AZX_DCAPS_AMD_ALLOC_FIX)
311 
312 /* quirks for AMD SB */
313 #define AZX_DCAPS_PRESET_AMD_SB \
314 	(AZX_DCAPS_NO_TCSEL | AZX_DCAPS_AMD_WORKAROUND |\
315 	 AZX_DCAPS_SNOOP_TYPE(ATI) | AZX_DCAPS_PM_RUNTIME |\
316 	 AZX_DCAPS_RETRY_PROBE)
317 
318 /* quirks for Nvidia */
319 #define AZX_DCAPS_PRESET_NVIDIA \
320 	(AZX_DCAPS_NO_MSI | AZX_DCAPS_CORBRP_SELF_CLEAR |\
321 	 AZX_DCAPS_SNOOP_TYPE(NVIDIA))
322 
323 #define AZX_DCAPS_PRESET_CTHDA \
324 	(AZX_DCAPS_NO_MSI | AZX_DCAPS_POSFIX_LPIB |\
325 	 AZX_DCAPS_NO_64BIT |\
326 	 AZX_DCAPS_4K_BDLE_BOUNDARY | AZX_DCAPS_SNOOP_OFF)
327 
328 /*
329  * vga_switcheroo support
330  */
331 #ifdef SUPPORT_VGA_SWITCHEROO
332 #define use_vga_switcheroo(chip)	((chip)->use_vga_switcheroo)
333 #define needs_eld_notify_link(chip)	((chip)->bus.keep_power)
334 #else
335 #define use_vga_switcheroo(chip)	0
336 #define needs_eld_notify_link(chip)	false
337 #endif
338 
339 static const char * const driver_short_names[] = {
340 	[AZX_DRIVER_ICH] = "HDA Intel",
341 	[AZX_DRIVER_PCH] = "HDA Intel PCH",
342 	[AZX_DRIVER_SCH] = "HDA Intel MID",
343 	[AZX_DRIVER_SKL] = "HDA Intel PCH", /* kept old name for compatibility */
344 	[AZX_DRIVER_HDMI] = "HDA Intel HDMI",
345 	[AZX_DRIVER_ATI] = "HDA ATI SB",
346 	[AZX_DRIVER_ATIHDMI] = "HDA ATI HDMI",
347 	[AZX_DRIVER_ATIHDMI_NS] = "HDA ATI HDMI",
348 	[AZX_DRIVER_GFHDMI] = "HDA GF HDMI",
349 	[AZX_DRIVER_VIA] = "HDA VIA VT82xx",
350 	[AZX_DRIVER_SIS] = "HDA SIS966",
351 	[AZX_DRIVER_ULI] = "HDA ULI M5461",
352 	[AZX_DRIVER_NVIDIA] = "HDA NVidia",
353 	[AZX_DRIVER_TERA] = "HDA Teradici",
354 	[AZX_DRIVER_CTX] = "HDA Creative",
355 	[AZX_DRIVER_CTHDA] = "HDA Creative",
356 	[AZX_DRIVER_CMEDIA] = "HDA C-Media",
357 	[AZX_DRIVER_ZHAOXIN] = "HDA Zhaoxin",
358 	[AZX_DRIVER_LOONGSON] = "HDA Loongson",
359 	[AZX_DRIVER_GENERIC] = "HD-Audio Generic",
360 };
361 
362 static int azx_acquire_irq(struct azx *chip, int do_disconnect);
363 static void set_default_power_save(struct azx *chip);
364 
365 /*
366  * initialize the PCI registers
367  */
368 /* update bits in a PCI register byte */
369 static void update_pci_byte(struct pci_dev *pci, unsigned int reg,
370 			    unsigned char mask, unsigned char val)
371 {
372 	unsigned char data;
373 
374 	pci_read_config_byte(pci, reg, &data);
375 	data &= ~mask;
376 	data |= (val & mask);
377 	pci_write_config_byte(pci, reg, data);
378 }
379 
380 static void azx_init_pci(struct azx *chip)
381 {
382 	int snoop_type = azx_get_snoop_type(chip);
383 
384 	/* Clear bits 0-2 of PCI register TCSEL (at offset 0x44)
385 	 * TCSEL == Traffic Class Select Register, which sets PCI express QOS
386 	 * Ensuring these bits are 0 clears playback static on some HD Audio
387 	 * codecs.
388 	 * The PCI register TCSEL is defined in the Intel manuals.
389 	 */
390 	if (!(chip->driver_caps & AZX_DCAPS_NO_TCSEL)) {
391 		dev_dbg(chip->card->dev, "Clearing TCSEL\n");
392 		update_pci_byte(chip->pci, AZX_PCIREG_TCSEL, 0x07, 0);
393 	}
394 
395 	/* For ATI SB450/600/700/800/900 and AMD Hudson azalia HD audio,
396 	 * we need to enable snoop.
397 	 */
398 	if (snoop_type == AZX_SNOOP_TYPE_ATI) {
399 		dev_dbg(chip->card->dev, "Setting ATI snoop: %d\n",
400 			azx_snoop(chip));
401 		update_pci_byte(chip->pci,
402 				ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR, 0x07,
403 				azx_snoop(chip) ? ATI_SB450_HDAUDIO_ENABLE_SNOOP : 0);
404 	}
405 
406 	/* For NVIDIA HDA, enable snoop */
407 	if (snoop_type == AZX_SNOOP_TYPE_NVIDIA) {
408 		dev_dbg(chip->card->dev, "Setting Nvidia snoop: %d\n",
409 			azx_snoop(chip));
410 		update_pci_byte(chip->pci,
411 				NVIDIA_HDA_TRANSREG_ADDR,
412 				0x0f, NVIDIA_HDA_ENABLE_COHBITS);
413 		update_pci_byte(chip->pci,
414 				NVIDIA_HDA_ISTRM_COH,
415 				0x01, NVIDIA_HDA_ENABLE_COHBIT);
416 		update_pci_byte(chip->pci,
417 				NVIDIA_HDA_OSTRM_COH,
418 				0x01, NVIDIA_HDA_ENABLE_COHBIT);
419 	}
420 
421 	/* Enable SCH/PCH snoop if needed */
422 	if (snoop_type == AZX_SNOOP_TYPE_SCH) {
423 		unsigned short snoop;
424 		pci_read_config_word(chip->pci, INTEL_SCH_HDA_DEVC, &snoop);
425 		if ((!azx_snoop(chip) && !(snoop & INTEL_SCH_HDA_DEVC_NOSNOOP)) ||
426 		    (azx_snoop(chip) && (snoop & INTEL_SCH_HDA_DEVC_NOSNOOP))) {
427 			snoop &= ~INTEL_SCH_HDA_DEVC_NOSNOOP;
428 			if (!azx_snoop(chip))
429 				snoop |= INTEL_SCH_HDA_DEVC_NOSNOOP;
430 			pci_write_config_word(chip->pci, INTEL_SCH_HDA_DEVC, snoop);
431 			pci_read_config_word(chip->pci,
432 				INTEL_SCH_HDA_DEVC, &snoop);
433 		}
434 		dev_dbg(chip->card->dev, "SCH snoop: %s\n",
435 			(snoop & INTEL_SCH_HDA_DEVC_NOSNOOP) ?
436 			"Disabled" : "Enabled");
437         }
438 }
439 
440 /*
441  * In BXT-P A0, HD-Audio DMA requests is later than expected,
442  * and makes an audio stream sensitive to system latencies when
443  * 24/32 bits are playing.
444  * Adjusting threshold of DMA fifo to force the DMA request
445  * sooner to improve latency tolerance at the expense of power.
446  */
447 static void bxt_reduce_dma_latency(struct azx *chip)
448 {
449 	u32 val;
450 
451 	val = azx_readl(chip, VS_EM4L);
452 	val &= (0x3 << 20);
453 	azx_writel(chip, VS_EM4L, val);
454 }
455 
456 /*
457  * ML_LCAP bits:
458  *  bit 0: 6 MHz Supported
459  *  bit 1: 12 MHz Supported
460  *  bit 2: 24 MHz Supported
461  *  bit 3: 48 MHz Supported
462  *  bit 4: 96 MHz Supported
463  *  bit 5: 192 MHz Supported
464  */
465 static int intel_get_lctl_scf(struct azx *chip)
466 {
467 	struct hdac_bus *bus = azx_bus(chip);
468 	static const int preferred_bits[] = { 2, 3, 1, 4, 5 };
469 	u32 val, t;
470 	int i;
471 
472 	val = readl(bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCAP);
473 
474 	for (i = 0; i < ARRAY_SIZE(preferred_bits); i++) {
475 		t = preferred_bits[i];
476 		if (val & (1 << t))
477 			return t;
478 	}
479 
480 	dev_warn(chip->card->dev, "set audio clock frequency to 6MHz");
481 	return 0;
482 }
483 
484 static int intel_ml_lctl_set_power(struct azx *chip, int state)
485 {
486 	struct hdac_bus *bus = azx_bus(chip);
487 	u32 val;
488 	int timeout;
489 
490 	/*
491 	 * Changes to LCTL.SCF are only needed for the first multi-link dealing
492 	 * with external codecs
493 	 */
494 	val = readl(bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCTL);
495 	val &= ~AZX_ML_LCTL_SPA;
496 	val |= state << AZX_ML_LCTL_SPA_SHIFT;
497 	writel(val, bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCTL);
498 	/* wait for CPA */
499 	timeout = 50;
500 	while (timeout) {
501 		if (((readl(bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCTL)) &
502 		    AZX_ML_LCTL_CPA) == (state << AZX_ML_LCTL_CPA_SHIFT))
503 			return 0;
504 		timeout--;
505 		udelay(10);
506 	}
507 
508 	return -1;
509 }
510 
511 static void intel_init_lctl(struct azx *chip)
512 {
513 	struct hdac_bus *bus = azx_bus(chip);
514 	u32 val;
515 	int ret;
516 
517 	/* 0. check lctl register value is correct or not */
518 	val = readl(bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCTL);
519 	/* only perform additional configurations if the SCF is initially based on 6MHz */
520 	if ((val & AZX_ML_LCTL_SCF) != 0)
521 		return;
522 
523 	/*
524 	 * Before operating on SPA, CPA must match SPA.
525 	 * Any deviation may result in undefined behavior.
526 	 */
527 	if (((val & AZX_ML_LCTL_SPA) >> AZX_ML_LCTL_SPA_SHIFT) !=
528 		((val & AZX_ML_LCTL_CPA) >> AZX_ML_LCTL_CPA_SHIFT))
529 		return;
530 
531 	/* 1. turn link down: set SPA to 0 and wait CPA to 0 */
532 	ret = intel_ml_lctl_set_power(chip, 0);
533 	udelay(100);
534 	if (ret)
535 		goto set_spa;
536 
537 	/* 2. update SCF to select an audio clock different from 6MHz */
538 	val &= ~AZX_ML_LCTL_SCF;
539 	val |= intel_get_lctl_scf(chip);
540 	writel(val, bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCTL);
541 
542 set_spa:
543 	/* 4. turn link up: set SPA to 1 and wait CPA to 1 */
544 	intel_ml_lctl_set_power(chip, 1);
545 	udelay(100);
546 }
547 
548 static void hda_intel_init_chip(struct azx *chip, bool full_reset)
549 {
550 	struct hdac_bus *bus = azx_bus(chip);
551 	struct pci_dev *pci = chip->pci;
552 	u32 val;
553 
554 	snd_hdac_set_codec_wakeup(bus, true);
555 	if (chip->driver_type == AZX_DRIVER_SKL) {
556 		pci_read_config_dword(pci, INTEL_HDA_CGCTL, &val);
557 		val = val & ~INTEL_HDA_CGCTL_MISCBDCGE;
558 		pci_write_config_dword(pci, INTEL_HDA_CGCTL, val);
559 	}
560 	azx_init_chip(chip, full_reset);
561 	if (chip->driver_type == AZX_DRIVER_SKL) {
562 		pci_read_config_dword(pci, INTEL_HDA_CGCTL, &val);
563 		val = val | INTEL_HDA_CGCTL_MISCBDCGE;
564 		pci_write_config_dword(pci, INTEL_HDA_CGCTL, val);
565 	}
566 
567 	snd_hdac_set_codec_wakeup(bus, false);
568 
569 	/* reduce dma latency to avoid noise */
570 	if (HDA_CONTROLLER_IS_APL(pci))
571 		bxt_reduce_dma_latency(chip);
572 
573 	if (bus->mlcap != NULL)
574 		intel_init_lctl(chip);
575 }
576 
577 /* calculate runtime delay from LPIB */
578 static int azx_get_delay_from_lpib(struct azx *chip, struct azx_dev *azx_dev,
579 				   unsigned int pos)
580 {
581 	struct snd_pcm_substream *substream = azx_dev->core.substream;
582 	int stream = substream->stream;
583 	unsigned int lpib_pos = azx_get_pos_lpib(chip, azx_dev);
584 	int delay;
585 
586 	if (stream == SNDRV_PCM_STREAM_PLAYBACK)
587 		delay = pos - lpib_pos;
588 	else
589 		delay = lpib_pos - pos;
590 	if (delay < 0) {
591 		if (delay >= azx_dev->core.delay_negative_threshold)
592 			delay = 0;
593 		else
594 			delay += azx_dev->core.bufsize;
595 	}
596 
597 	if (delay >= azx_dev->core.period_bytes) {
598 		dev_info(chip->card->dev,
599 			 "Unstable LPIB (%d >= %d); disabling LPIB delay counting\n",
600 			 delay, azx_dev->core.period_bytes);
601 		delay = 0;
602 		chip->driver_caps &= ~AZX_DCAPS_COUNT_LPIB_DELAY;
603 		chip->get_delay[stream] = NULL;
604 	}
605 
606 	return bytes_to_frames(substream->runtime, delay);
607 }
608 
609 static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev);
610 
611 /* called from IRQ */
612 static int azx_position_check(struct azx *chip, struct azx_dev *azx_dev)
613 {
614 	struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
615 	int ok;
616 
617 	ok = azx_position_ok(chip, azx_dev);
618 	if (ok == 1) {
619 		azx_dev->irq_pending = 0;
620 		return ok;
621 	} else if (ok == 0) {
622 		/* bogus IRQ, process it later */
623 		azx_dev->irq_pending = 1;
624 		schedule_work(&hda->irq_pending_work);
625 	}
626 	return 0;
627 }
628 
629 #define display_power(chip, enable) \
630 	snd_hdac_display_power(azx_bus(chip), HDA_CODEC_IDX_CONTROLLER, enable)
631 
632 /*
633  * Check whether the current DMA position is acceptable for updating
634  * periods.  Returns non-zero if it's OK.
635  *
636  * Many HD-audio controllers appear pretty inaccurate about
637  * the update-IRQ timing.  The IRQ is issued before actually the
638  * data is processed.  So, we need to process it afterwords in a
639  * workqueue.
640  *
641  * Returns 1 if OK to proceed, 0 for delay handling, -1 for skipping update
642  */
643 static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev)
644 {
645 	struct snd_pcm_substream *substream = azx_dev->core.substream;
646 	struct snd_pcm_runtime *runtime = substream->runtime;
647 	int stream = substream->stream;
648 	u32 wallclk;
649 	unsigned int pos;
650 	snd_pcm_uframes_t hwptr, target;
651 
652 	/*
653 	 * The value of the WALLCLK register is always 0
654 	 * on the Loongson controller, so we return directly.
655 	 */
656 	if (chip->driver_type == AZX_DRIVER_LOONGSON)
657 		return 1;
658 
659 	wallclk = azx_readl(chip, WALLCLK) - azx_dev->core.start_wallclk;
660 	if (wallclk < (azx_dev->core.period_wallclk * 2) / 3)
661 		return -1;	/* bogus (too early) interrupt */
662 
663 	if (chip->get_position[stream])
664 		pos = chip->get_position[stream](chip, azx_dev);
665 	else { /* use the position buffer as default */
666 		pos = azx_get_pos_posbuf(chip, azx_dev);
667 		if (!pos || pos == (u32)-1) {
668 			dev_info(chip->card->dev,
669 				 "Invalid position buffer, using LPIB read method instead.\n");
670 			chip->get_position[stream] = azx_get_pos_lpib;
671 			if (chip->get_position[0] == azx_get_pos_lpib &&
672 			    chip->get_position[1] == azx_get_pos_lpib)
673 				azx_bus(chip)->use_posbuf = false;
674 			pos = azx_get_pos_lpib(chip, azx_dev);
675 			chip->get_delay[stream] = NULL;
676 		} else {
677 			chip->get_position[stream] = azx_get_pos_posbuf;
678 			if (chip->driver_caps & AZX_DCAPS_COUNT_LPIB_DELAY)
679 				chip->get_delay[stream] = azx_get_delay_from_lpib;
680 		}
681 	}
682 
683 	if (pos >= azx_dev->core.bufsize)
684 		pos = 0;
685 
686 	if (WARN_ONCE(!azx_dev->core.period_bytes,
687 		      "hda-intel: zero azx_dev->period_bytes"))
688 		return -1; /* this shouldn't happen! */
689 	if (wallclk < (azx_dev->core.period_wallclk * 5) / 4 &&
690 	    pos % azx_dev->core.period_bytes > azx_dev->core.period_bytes / 2)
691 		/* NG - it's below the first next period boundary */
692 		return chip->bdl_pos_adj ? 0 : -1;
693 	azx_dev->core.start_wallclk += wallclk;
694 
695 	if (azx_dev->core.no_period_wakeup)
696 		return 1; /* OK, no need to check period boundary */
697 
698 	if (runtime->hw_ptr_base != runtime->hw_ptr_interrupt)
699 		return 1; /* OK, already in hwptr updating process */
700 
701 	/* check whether the period gets really elapsed */
702 	pos = bytes_to_frames(runtime, pos);
703 	hwptr = runtime->hw_ptr_base + pos;
704 	if (hwptr < runtime->status->hw_ptr)
705 		hwptr += runtime->buffer_size;
706 	target = runtime->hw_ptr_interrupt + runtime->period_size;
707 	if (hwptr < target) {
708 		/* too early wakeup, process it later */
709 		return chip->bdl_pos_adj ? 0 : -1;
710 	}
711 
712 	return 1; /* OK, it's fine */
713 }
714 
715 /*
716  * The work for pending PCM period updates.
717  */
718 static void azx_irq_pending_work(struct work_struct *work)
719 {
720 	struct hda_intel *hda = container_of(work, struct hda_intel, irq_pending_work);
721 	struct azx *chip = &hda->chip;
722 	struct hdac_bus *bus = azx_bus(chip);
723 	struct hdac_stream *s;
724 	int pending, ok;
725 
726 	if (!hda->irq_pending_warned) {
727 		dev_info(chip->card->dev,
728 			 "IRQ timing workaround is activated for card #%d. Suggest a bigger bdl_pos_adj.\n",
729 			 chip->card->number);
730 		hda->irq_pending_warned = 1;
731 	}
732 
733 	for (;;) {
734 		pending = 0;
735 		spin_lock_irq(&bus->reg_lock);
736 		list_for_each_entry(s, &bus->stream_list, list) {
737 			struct azx_dev *azx_dev = stream_to_azx_dev(s);
738 			if (!azx_dev->irq_pending ||
739 			    !s->substream ||
740 			    !s->running)
741 				continue;
742 			ok = azx_position_ok(chip, azx_dev);
743 			if (ok > 0) {
744 				azx_dev->irq_pending = 0;
745 				spin_unlock(&bus->reg_lock);
746 				snd_pcm_period_elapsed(s->substream);
747 				spin_lock(&bus->reg_lock);
748 			} else if (ok < 0) {
749 				pending = 0;	/* too early */
750 			} else
751 				pending++;
752 		}
753 		spin_unlock_irq(&bus->reg_lock);
754 		if (!pending)
755 			return;
756 		msleep(1);
757 	}
758 }
759 
760 /* clear irq_pending flags and assure no on-going workq */
761 static void azx_clear_irq_pending(struct azx *chip)
762 {
763 	struct hdac_bus *bus = azx_bus(chip);
764 	struct hdac_stream *s;
765 
766 	spin_lock_irq(&bus->reg_lock);
767 	list_for_each_entry(s, &bus->stream_list, list) {
768 		struct azx_dev *azx_dev = stream_to_azx_dev(s);
769 		azx_dev->irq_pending = 0;
770 	}
771 	spin_unlock_irq(&bus->reg_lock);
772 }
773 
774 static int azx_acquire_irq(struct azx *chip, int do_disconnect)
775 {
776 	struct hdac_bus *bus = azx_bus(chip);
777 
778 	if (request_irq(chip->pci->irq, azx_interrupt,
779 			chip->msi ? 0 : IRQF_SHARED,
780 			chip->card->irq_descr, chip)) {
781 		dev_err(chip->card->dev,
782 			"unable to grab IRQ %d, disabling device\n",
783 			chip->pci->irq);
784 		if (do_disconnect)
785 			snd_card_disconnect(chip->card);
786 		return -1;
787 	}
788 	bus->irq = chip->pci->irq;
789 	chip->card->sync_irq = bus->irq;
790 	pci_intx(chip->pci, !chip->msi);
791 	return 0;
792 }
793 
794 /* get the current DMA position with correction on VIA chips */
795 static unsigned int azx_via_get_position(struct azx *chip,
796 					 struct azx_dev *azx_dev)
797 {
798 	unsigned int link_pos, mini_pos, bound_pos;
799 	unsigned int mod_link_pos, mod_dma_pos, mod_mini_pos;
800 	unsigned int fifo_size;
801 
802 	link_pos = snd_hdac_stream_get_pos_lpib(azx_stream(azx_dev));
803 	if (azx_dev->core.substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
804 		/* Playback, no problem using link position */
805 		return link_pos;
806 	}
807 
808 	/* Capture */
809 	/* For new chipset,
810 	 * use mod to get the DMA position just like old chipset
811 	 */
812 	mod_dma_pos = le32_to_cpu(*azx_dev->core.posbuf);
813 	mod_dma_pos %= azx_dev->core.period_bytes;
814 
815 	fifo_size = azx_stream(azx_dev)->fifo_size;
816 
817 	if (azx_dev->insufficient) {
818 		/* Link position never gather than FIFO size */
819 		if (link_pos <= fifo_size)
820 			return 0;
821 
822 		azx_dev->insufficient = 0;
823 	}
824 
825 	if (link_pos <= fifo_size)
826 		mini_pos = azx_dev->core.bufsize + link_pos - fifo_size;
827 	else
828 		mini_pos = link_pos - fifo_size;
829 
830 	/* Find nearest previous boudary */
831 	mod_mini_pos = mini_pos % azx_dev->core.period_bytes;
832 	mod_link_pos = link_pos % azx_dev->core.period_bytes;
833 	if (mod_link_pos >= fifo_size)
834 		bound_pos = link_pos - mod_link_pos;
835 	else if (mod_dma_pos >= mod_mini_pos)
836 		bound_pos = mini_pos - mod_mini_pos;
837 	else {
838 		bound_pos = mini_pos - mod_mini_pos + azx_dev->core.period_bytes;
839 		if (bound_pos >= azx_dev->core.bufsize)
840 			bound_pos = 0;
841 	}
842 
843 	/* Calculate real DMA position we want */
844 	return bound_pos + mod_dma_pos;
845 }
846 
847 #define AMD_FIFO_SIZE	32
848 
849 /* get the current DMA position with FIFO size correction */
850 static unsigned int azx_get_pos_fifo(struct azx *chip, struct azx_dev *azx_dev)
851 {
852 	struct snd_pcm_substream *substream = azx_dev->core.substream;
853 	struct snd_pcm_runtime *runtime = substream->runtime;
854 	unsigned int pos, delay;
855 
856 	pos = snd_hdac_stream_get_pos_lpib(azx_stream(azx_dev));
857 	if (!runtime)
858 		return pos;
859 
860 	runtime->delay = AMD_FIFO_SIZE;
861 	delay = frames_to_bytes(runtime, AMD_FIFO_SIZE);
862 	if (azx_dev->insufficient) {
863 		if (pos < delay) {
864 			delay = pos;
865 			runtime->delay = bytes_to_frames(runtime, pos);
866 		} else {
867 			azx_dev->insufficient = 0;
868 		}
869 	}
870 
871 	/* correct the DMA position for capture stream */
872 	if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
873 		if (pos < delay)
874 			pos += azx_dev->core.bufsize;
875 		pos -= delay;
876 	}
877 
878 	return pos;
879 }
880 
881 static int azx_get_delay_from_fifo(struct azx *chip, struct azx_dev *azx_dev,
882 				   unsigned int pos)
883 {
884 	struct snd_pcm_substream *substream = azx_dev->core.substream;
885 
886 	/* just read back the calculated value in the above */
887 	return substream->runtime->delay;
888 }
889 
890 static void __azx_shutdown_chip(struct azx *chip, bool skip_link_reset)
891 {
892 	azx_stop_chip(chip);
893 	if (!skip_link_reset)
894 		azx_enter_link_reset(chip);
895 	azx_clear_irq_pending(chip);
896 	display_power(chip, false);
897 }
898 
899 static DEFINE_MUTEX(card_list_lock);
900 static LIST_HEAD(card_list);
901 
902 static void azx_shutdown_chip(struct azx *chip)
903 {
904 	__azx_shutdown_chip(chip, false);
905 }
906 
907 static void azx_add_card_list(struct azx *chip)
908 {
909 	struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
910 	mutex_lock(&card_list_lock);
911 	list_add(&hda->list, &card_list);
912 	mutex_unlock(&card_list_lock);
913 }
914 
915 static void azx_del_card_list(struct azx *chip)
916 {
917 	struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
918 	mutex_lock(&card_list_lock);
919 	list_del_init(&hda->list);
920 	mutex_unlock(&card_list_lock);
921 }
922 
923 /* trigger power-save check at writing parameter */
924 static int __maybe_unused param_set_xint(const char *val, const struct kernel_param *kp)
925 {
926 	struct hda_intel *hda;
927 	struct azx *chip;
928 	int prev = power_save;
929 	int ret = param_set_int(val, kp);
930 
931 	if (ret || prev == power_save)
932 		return ret;
933 
934 	mutex_lock(&card_list_lock);
935 	list_for_each_entry(hda, &card_list, list) {
936 		chip = &hda->chip;
937 		if (!hda->probe_continued || chip->disabled)
938 			continue;
939 		snd_hda_set_power_save(&chip->bus, power_save * 1000);
940 	}
941 	mutex_unlock(&card_list_lock);
942 	return 0;
943 }
944 
945 /*
946  * power management
947  */
948 static bool azx_is_pm_ready(struct snd_card *card)
949 {
950 	struct azx *chip;
951 	struct hda_intel *hda;
952 
953 	if (!card)
954 		return false;
955 	chip = card->private_data;
956 	hda = container_of(chip, struct hda_intel, chip);
957 	if (chip->disabled || hda->init_failed || !chip->running)
958 		return false;
959 	return true;
960 }
961 
962 static void __azx_runtime_resume(struct azx *chip)
963 {
964 	struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
965 	struct hdac_bus *bus = azx_bus(chip);
966 	struct hda_codec *codec;
967 	int status;
968 
969 	display_power(chip, true);
970 	if (hda->need_i915_power)
971 		snd_hdac_i915_set_bclk(bus);
972 
973 	/* Read STATESTS before controller reset */
974 	status = azx_readw(chip, STATESTS);
975 
976 	azx_init_pci(chip);
977 	hda_intel_init_chip(chip, true);
978 
979 	/* Avoid codec resume if runtime resume is for system suspend */
980 	if (!chip->pm_prepared) {
981 		list_for_each_codec(codec, &chip->bus) {
982 			if (codec->relaxed_resume)
983 				continue;
984 
985 			if (codec->forced_resume || (status & (1 << codec->addr)))
986 				pm_request_resume(hda_codec_dev(codec));
987 		}
988 	}
989 
990 	/* power down again for link-controlled chips */
991 	if (!hda->need_i915_power)
992 		display_power(chip, false);
993 }
994 
995 static int azx_prepare(struct device *dev)
996 {
997 	struct snd_card *card = dev_get_drvdata(dev);
998 	struct azx *chip;
999 
1000 	if (!azx_is_pm_ready(card))
1001 		return 0;
1002 
1003 	chip = card->private_data;
1004 	chip->pm_prepared = 1;
1005 	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1006 
1007 	flush_work(&azx_bus(chip)->unsol_work);
1008 
1009 	/* HDA controller always requires different WAKEEN for runtime suspend
1010 	 * and system suspend, so don't use direct-complete here.
1011 	 */
1012 	return 0;
1013 }
1014 
1015 static void azx_complete(struct device *dev)
1016 {
1017 	struct snd_card *card = dev_get_drvdata(dev);
1018 	struct azx *chip;
1019 
1020 	if (!azx_is_pm_ready(card))
1021 		return;
1022 
1023 	chip = card->private_data;
1024 	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1025 	chip->pm_prepared = 0;
1026 }
1027 
1028 static int azx_suspend(struct device *dev)
1029 {
1030 	struct snd_card *card = dev_get_drvdata(dev);
1031 	struct azx *chip;
1032 	struct hdac_bus *bus;
1033 
1034 	if (!azx_is_pm_ready(card))
1035 		return 0;
1036 
1037 	chip = card->private_data;
1038 	bus = azx_bus(chip);
1039 	azx_shutdown_chip(chip);
1040 	if (bus->irq >= 0) {
1041 		free_irq(bus->irq, chip);
1042 		bus->irq = -1;
1043 		chip->card->sync_irq = -1;
1044 	}
1045 
1046 	if (chip->msi)
1047 		pci_disable_msi(chip->pci);
1048 
1049 	trace_azx_suspend(chip);
1050 	return 0;
1051 }
1052 
1053 static int __maybe_unused azx_resume(struct device *dev)
1054 {
1055 	struct snd_card *card = dev_get_drvdata(dev);
1056 	struct azx *chip;
1057 
1058 	if (!azx_is_pm_ready(card))
1059 		return 0;
1060 
1061 	chip = card->private_data;
1062 	if (chip->msi)
1063 		if (pci_enable_msi(chip->pci) < 0)
1064 			chip->msi = 0;
1065 	if (azx_acquire_irq(chip, 1) < 0)
1066 		return -EIO;
1067 
1068 	__azx_runtime_resume(chip);
1069 
1070 	trace_azx_resume(chip);
1071 	return 0;
1072 }
1073 
1074 /* put codec down to D3 at hibernation for Intel SKL+;
1075  * otherwise BIOS may still access the codec and screw up the driver
1076  */
1077 static int azx_freeze_noirq(struct device *dev)
1078 {
1079 	struct snd_card *card = dev_get_drvdata(dev);
1080 	struct azx *chip = card->private_data;
1081 	struct pci_dev *pci = to_pci_dev(dev);
1082 
1083 	if (!azx_is_pm_ready(card))
1084 		return 0;
1085 	if (chip->driver_type == AZX_DRIVER_SKL)
1086 		pci_set_power_state(pci, PCI_D3hot);
1087 
1088 	return 0;
1089 }
1090 
1091 static int azx_thaw_noirq(struct device *dev)
1092 {
1093 	struct snd_card *card = dev_get_drvdata(dev);
1094 	struct azx *chip = card->private_data;
1095 	struct pci_dev *pci = to_pci_dev(dev);
1096 
1097 	if (!azx_is_pm_ready(card))
1098 		return 0;
1099 	if (chip->driver_type == AZX_DRIVER_SKL)
1100 		pci_set_power_state(pci, PCI_D0);
1101 
1102 	return 0;
1103 }
1104 
1105 static int __maybe_unused azx_runtime_suspend(struct device *dev)
1106 {
1107 	struct snd_card *card = dev_get_drvdata(dev);
1108 	struct azx *chip;
1109 
1110 	if (!azx_is_pm_ready(card))
1111 		return 0;
1112 	chip = card->private_data;
1113 
1114 	/* enable controller wake up event */
1115 	azx_writew(chip, WAKEEN, azx_readw(chip, WAKEEN) | STATESTS_INT_MASK);
1116 
1117 	azx_shutdown_chip(chip);
1118 	trace_azx_runtime_suspend(chip);
1119 	return 0;
1120 }
1121 
1122 static int __maybe_unused azx_runtime_resume(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 	__azx_runtime_resume(chip);
1131 
1132 	/* disable controller Wake Up event*/
1133 	azx_writew(chip, WAKEEN, azx_readw(chip, WAKEEN) & ~STATESTS_INT_MASK);
1134 
1135 	trace_azx_runtime_resume(chip);
1136 	return 0;
1137 }
1138 
1139 static int __maybe_unused azx_runtime_idle(struct device *dev)
1140 {
1141 	struct snd_card *card = dev_get_drvdata(dev);
1142 	struct azx *chip;
1143 	struct hda_intel *hda;
1144 
1145 	if (!card)
1146 		return 0;
1147 
1148 	chip = card->private_data;
1149 	hda = container_of(chip, struct hda_intel, chip);
1150 	if (chip->disabled || hda->init_failed)
1151 		return 0;
1152 
1153 	if (!power_save_controller || !azx_has_pm_runtime(chip) ||
1154 	    azx_bus(chip)->codec_powered || !chip->running)
1155 		return -EBUSY;
1156 
1157 	/* ELD notification gets broken when HD-audio bus is off */
1158 	if (needs_eld_notify_link(chip))
1159 		return -EBUSY;
1160 
1161 	return 0;
1162 }
1163 
1164 static const struct dev_pm_ops azx_pm = {
1165 	SYSTEM_SLEEP_PM_OPS(azx_suspend, azx_resume)
1166 	.prepare = pm_sleep_ptr(azx_prepare),
1167 	.complete = pm_sleep_ptr(azx_complete),
1168 	.freeze_noirq = pm_sleep_ptr(azx_freeze_noirq),
1169 	.thaw_noirq = pm_sleep_ptr(azx_thaw_noirq),
1170 	SET_RUNTIME_PM_OPS(azx_runtime_suspend, azx_runtime_resume, azx_runtime_idle)
1171 };
1172 
1173 
1174 static int azx_probe_continue(struct azx *chip);
1175 
1176 #ifdef SUPPORT_VGA_SWITCHEROO
1177 static struct pci_dev *get_bound_vga(struct pci_dev *pci);
1178 
1179 static void azx_vs_set_state(struct pci_dev *pci,
1180 			     enum vga_switcheroo_state state)
1181 {
1182 	struct snd_card *card = pci_get_drvdata(pci);
1183 	struct azx *chip = card->private_data;
1184 	struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1185 	struct hda_codec *codec;
1186 	bool disabled;
1187 
1188 	wait_for_completion(&hda->probe_wait);
1189 	if (hda->init_failed)
1190 		return;
1191 
1192 	disabled = (state == VGA_SWITCHEROO_OFF);
1193 	if (chip->disabled == disabled)
1194 		return;
1195 
1196 	if (!hda->probe_continued) {
1197 		chip->disabled = disabled;
1198 		if (!disabled) {
1199 			dev_info(chip->card->dev,
1200 				 "Start delayed initialization\n");
1201 			if (azx_probe_continue(chip) < 0)
1202 				dev_err(chip->card->dev, "initialization error\n");
1203 		}
1204 	} else {
1205 		dev_info(chip->card->dev, "%s via vga_switcheroo\n",
1206 			 disabled ? "Disabling" : "Enabling");
1207 		if (disabled) {
1208 			list_for_each_codec(codec, &chip->bus) {
1209 				pm_runtime_suspend(hda_codec_dev(codec));
1210 				pm_runtime_disable(hda_codec_dev(codec));
1211 			}
1212 			pm_runtime_suspend(card->dev);
1213 			pm_runtime_disable(card->dev);
1214 			/* when we get suspended by vga_switcheroo we end up in D3cold,
1215 			 * however we have no ACPI handle, so pci/acpi can't put us there,
1216 			 * put ourselves there */
1217 			pci->current_state = PCI_D3cold;
1218 			chip->disabled = true;
1219 			if (snd_hda_lock_devices(&chip->bus))
1220 				dev_warn(chip->card->dev,
1221 					 "Cannot lock devices!\n");
1222 		} else {
1223 			snd_hda_unlock_devices(&chip->bus);
1224 			chip->disabled = false;
1225 			pm_runtime_enable(card->dev);
1226 			list_for_each_codec(codec, &chip->bus) {
1227 				pm_runtime_enable(hda_codec_dev(codec));
1228 				pm_runtime_resume(hda_codec_dev(codec));
1229 			}
1230 		}
1231 	}
1232 }
1233 
1234 static bool azx_vs_can_switch(struct pci_dev *pci)
1235 {
1236 	struct snd_card *card = pci_get_drvdata(pci);
1237 	struct azx *chip = card->private_data;
1238 	struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1239 
1240 	wait_for_completion(&hda->probe_wait);
1241 	if (hda->init_failed)
1242 		return false;
1243 	if (chip->disabled || !hda->probe_continued)
1244 		return true;
1245 	if (snd_hda_lock_devices(&chip->bus))
1246 		return false;
1247 	snd_hda_unlock_devices(&chip->bus);
1248 	return true;
1249 }
1250 
1251 /*
1252  * The discrete GPU cannot power down unless the HDA controller runtime
1253  * suspends, so activate runtime PM on codecs even if power_save == 0.
1254  */
1255 static void setup_vga_switcheroo_runtime_pm(struct azx *chip)
1256 {
1257 	struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1258 	struct hda_codec *codec;
1259 
1260 	if (hda->use_vga_switcheroo && !needs_eld_notify_link(chip)) {
1261 		list_for_each_codec(codec, &chip->bus)
1262 			codec->auto_runtime_pm = 1;
1263 		/* reset the power save setup */
1264 		if (chip->running)
1265 			set_default_power_save(chip);
1266 	}
1267 }
1268 
1269 static void azx_vs_gpu_bound(struct pci_dev *pci,
1270 			     enum vga_switcheroo_client_id client_id)
1271 {
1272 	struct snd_card *card = pci_get_drvdata(pci);
1273 	struct azx *chip = card->private_data;
1274 
1275 	if (client_id == VGA_SWITCHEROO_DIS)
1276 		chip->bus.keep_power = 0;
1277 	setup_vga_switcheroo_runtime_pm(chip);
1278 }
1279 
1280 static void init_vga_switcheroo(struct azx *chip)
1281 {
1282 	struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1283 	struct pci_dev *p = get_bound_vga(chip->pci);
1284 	struct pci_dev *parent;
1285 	if (p) {
1286 		dev_info(chip->card->dev,
1287 			 "Handle vga_switcheroo audio client\n");
1288 		hda->use_vga_switcheroo = 1;
1289 
1290 		/* cleared in either gpu_bound op or codec probe, or when its
1291 		 * upstream port has _PR3 (i.e. dGPU).
1292 		 */
1293 		parent = pci_upstream_bridge(p);
1294 		chip->bus.keep_power = parent ? !pci_pr3_present(parent) : 1;
1295 		chip->driver_caps |= AZX_DCAPS_PM_RUNTIME;
1296 		pci_dev_put(p);
1297 	}
1298 }
1299 
1300 static const struct vga_switcheroo_client_ops azx_vs_ops = {
1301 	.set_gpu_state = azx_vs_set_state,
1302 	.can_switch = azx_vs_can_switch,
1303 	.gpu_bound = azx_vs_gpu_bound,
1304 };
1305 
1306 static int register_vga_switcheroo(struct azx *chip)
1307 {
1308 	struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1309 	struct pci_dev *p;
1310 	int err;
1311 
1312 	if (!hda->use_vga_switcheroo)
1313 		return 0;
1314 
1315 	p = get_bound_vga(chip->pci);
1316 	err = vga_switcheroo_register_audio_client(chip->pci, &azx_vs_ops, p);
1317 	pci_dev_put(p);
1318 
1319 	if (err < 0)
1320 		return err;
1321 	hda->vga_switcheroo_registered = 1;
1322 
1323 	return 0;
1324 }
1325 #else
1326 #define init_vga_switcheroo(chip)		/* NOP */
1327 #define register_vga_switcheroo(chip)		0
1328 #define check_hdmi_disabled(pci)	false
1329 #define setup_vga_switcheroo_runtime_pm(chip)	/* NOP */
1330 #endif /* SUPPORT_VGA_SWITCHER */
1331 
1332 /*
1333  * destructor
1334  */
1335 static void azx_free(struct azx *chip)
1336 {
1337 	struct pci_dev *pci = chip->pci;
1338 	struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1339 	struct hdac_bus *bus = azx_bus(chip);
1340 
1341 	if (hda->freed)
1342 		return;
1343 
1344 	if (azx_has_pm_runtime(chip) && chip->running) {
1345 		pm_runtime_get_noresume(&pci->dev);
1346 		pm_runtime_forbid(&pci->dev);
1347 		pm_runtime_dont_use_autosuspend(&pci->dev);
1348 	}
1349 
1350 	chip->running = 0;
1351 
1352 	azx_del_card_list(chip);
1353 
1354 	hda->init_failed = 1; /* to be sure */
1355 	complete_all(&hda->probe_wait);
1356 
1357 	if (use_vga_switcheroo(hda)) {
1358 		if (chip->disabled && hda->probe_continued)
1359 			snd_hda_unlock_devices(&chip->bus);
1360 		if (hda->vga_switcheroo_registered)
1361 			vga_switcheroo_unregister_client(chip->pci);
1362 	}
1363 
1364 	if (bus->chip_init) {
1365 		azx_clear_irq_pending(chip);
1366 		azx_stop_all_streams(chip);
1367 		azx_stop_chip(chip);
1368 	}
1369 
1370 	if (bus->irq >= 0)
1371 		free_irq(bus->irq, (void*)chip);
1372 
1373 	azx_free_stream_pages(chip);
1374 	azx_free_streams(chip);
1375 	snd_hdac_bus_exit(bus);
1376 
1377 #ifdef CONFIG_SND_HDA_PATCH_LOADER
1378 	release_firmware(chip->fw);
1379 #endif
1380 	display_power(chip, false);
1381 
1382 	if (chip->driver_caps & AZX_DCAPS_I915_COMPONENT)
1383 		snd_hdac_i915_exit(bus);
1384 
1385 	hda->freed = 1;
1386 }
1387 
1388 static int azx_dev_disconnect(struct snd_device *device)
1389 {
1390 	struct azx *chip = device->device_data;
1391 	struct hdac_bus *bus = azx_bus(chip);
1392 
1393 	chip->bus.shutdown = 1;
1394 	cancel_work_sync(&bus->unsol_work);
1395 
1396 	return 0;
1397 }
1398 
1399 static int azx_dev_free(struct snd_device *device)
1400 {
1401 	azx_free(device->device_data);
1402 	return 0;
1403 }
1404 
1405 #ifdef SUPPORT_VGA_SWITCHEROO
1406 #ifdef CONFIG_ACPI
1407 /* ATPX is in the integrated GPU's namespace */
1408 static bool atpx_present(void)
1409 {
1410 	struct pci_dev *pdev = NULL;
1411 	acpi_handle dhandle, atpx_handle;
1412 	acpi_status status;
1413 
1414 	while ((pdev = pci_get_base_class(PCI_BASE_CLASS_DISPLAY, pdev))) {
1415 		if ((pdev->class != PCI_CLASS_DISPLAY_VGA << 8) &&
1416 		    (pdev->class != PCI_CLASS_DISPLAY_OTHER << 8))
1417 			continue;
1418 
1419 		dhandle = ACPI_HANDLE(&pdev->dev);
1420 		if (dhandle) {
1421 			status = acpi_get_handle(dhandle, "ATPX", &atpx_handle);
1422 			if (ACPI_SUCCESS(status)) {
1423 				pci_dev_put(pdev);
1424 				return true;
1425 			}
1426 		}
1427 	}
1428 	return false;
1429 }
1430 #else
1431 static bool atpx_present(void)
1432 {
1433 	return false;
1434 }
1435 #endif
1436 
1437 /*
1438  * Check of disabled HDMI controller by vga_switcheroo
1439  */
1440 static struct pci_dev *get_bound_vga(struct pci_dev *pci)
1441 {
1442 	struct pci_dev *p;
1443 
1444 	/* check only discrete GPU */
1445 	switch (pci->vendor) {
1446 	case PCI_VENDOR_ID_ATI:
1447 	case PCI_VENDOR_ID_AMD:
1448 		if (pci->devfn == 1) {
1449 			p = pci_get_domain_bus_and_slot(pci_domain_nr(pci->bus),
1450 							pci->bus->number, 0);
1451 			if (p) {
1452 				/* ATPX is in the integrated GPU's ACPI namespace
1453 				 * rather than the dGPU's namespace. However,
1454 				 * the dGPU is the one who is involved in
1455 				 * vgaswitcheroo.
1456 				 */
1457 				if (((p->class >> 16) == PCI_BASE_CLASS_DISPLAY) &&
1458 				    (atpx_present() || apple_gmux_detect(NULL, NULL)))
1459 					return p;
1460 				pci_dev_put(p);
1461 			}
1462 		}
1463 		break;
1464 	case PCI_VENDOR_ID_NVIDIA:
1465 		if (pci->devfn == 1) {
1466 			p = pci_get_domain_bus_and_slot(pci_domain_nr(pci->bus),
1467 							pci->bus->number, 0);
1468 			if (p) {
1469 				if ((p->class >> 16) == PCI_BASE_CLASS_DISPLAY)
1470 					return p;
1471 				pci_dev_put(p);
1472 			}
1473 		}
1474 		break;
1475 	}
1476 	return NULL;
1477 }
1478 
1479 static bool check_hdmi_disabled(struct pci_dev *pci)
1480 {
1481 	bool vga_inactive = false;
1482 	struct pci_dev *p = get_bound_vga(pci);
1483 
1484 	if (p) {
1485 		if (vga_switcheroo_get_client_state(p) == VGA_SWITCHEROO_OFF)
1486 			vga_inactive = true;
1487 		pci_dev_put(p);
1488 	}
1489 	return vga_inactive;
1490 }
1491 #endif /* SUPPORT_VGA_SWITCHEROO */
1492 
1493 /*
1494  * allow/deny-listing for position_fix
1495  */
1496 static const struct snd_pci_quirk position_fix_list[] = {
1497 	SND_PCI_QUIRK(0x1028, 0x01cc, "Dell D820", POS_FIX_LPIB),
1498 	SND_PCI_QUIRK(0x1028, 0x01de, "Dell Precision 390", POS_FIX_LPIB),
1499 	SND_PCI_QUIRK(0x103c, 0x306d, "HP dv3", POS_FIX_LPIB),
1500 	SND_PCI_QUIRK(0x1043, 0x813d, "ASUS P5AD2", POS_FIX_LPIB),
1501 	SND_PCI_QUIRK(0x1043, 0x81b3, "ASUS", POS_FIX_LPIB),
1502 	SND_PCI_QUIRK(0x1043, 0x81e7, "ASUS M2V", POS_FIX_LPIB),
1503 	SND_PCI_QUIRK(0x104d, 0x9069, "Sony VPCS11V9E", POS_FIX_LPIB),
1504 	SND_PCI_QUIRK(0x10de, 0xcb89, "Macbook Pro 7,1", POS_FIX_LPIB),
1505 	SND_PCI_QUIRK(0x1297, 0x3166, "Shuttle", POS_FIX_LPIB),
1506 	SND_PCI_QUIRK(0x1458, 0xa022, "ga-ma770-ud3", POS_FIX_LPIB),
1507 	SND_PCI_QUIRK(0x1462, 0x1002, "MSI Wind U115", POS_FIX_LPIB),
1508 	SND_PCI_QUIRK(0x1565, 0x8218, "Biostar Microtech", POS_FIX_LPIB),
1509 	SND_PCI_QUIRK(0x1849, 0x0888, "775Dual-VSTA", POS_FIX_LPIB),
1510 	SND_PCI_QUIRK(0x8086, 0x2503, "DG965OT AAD63733-203", POS_FIX_LPIB),
1511 	{}
1512 };
1513 
1514 static int check_position_fix(struct azx *chip, int fix)
1515 {
1516 	const struct snd_pci_quirk *q;
1517 
1518 	switch (fix) {
1519 	case POS_FIX_AUTO:
1520 	case POS_FIX_LPIB:
1521 	case POS_FIX_POSBUF:
1522 	case POS_FIX_VIACOMBO:
1523 	case POS_FIX_COMBO:
1524 	case POS_FIX_SKL:
1525 	case POS_FIX_FIFO:
1526 		return fix;
1527 	}
1528 
1529 	q = snd_pci_quirk_lookup(chip->pci, position_fix_list);
1530 	if (q) {
1531 		dev_info(chip->card->dev,
1532 			 "position_fix set to %d for device %04x:%04x\n",
1533 			 q->value, q->subvendor, q->subdevice);
1534 		return q->value;
1535 	}
1536 
1537 	/* Check VIA/ATI HD Audio Controller exist */
1538 	if (chip->driver_type == AZX_DRIVER_VIA) {
1539 		dev_dbg(chip->card->dev, "Using VIACOMBO position fix\n");
1540 		return POS_FIX_VIACOMBO;
1541 	}
1542 	if (chip->driver_caps & AZX_DCAPS_AMD_WORKAROUND) {
1543 		dev_dbg(chip->card->dev, "Using FIFO position fix\n");
1544 		return POS_FIX_FIFO;
1545 	}
1546 	if (chip->driver_caps & AZX_DCAPS_POSFIX_LPIB) {
1547 		dev_dbg(chip->card->dev, "Using LPIB position fix\n");
1548 		return POS_FIX_LPIB;
1549 	}
1550 	if (chip->driver_type == AZX_DRIVER_SKL) {
1551 		dev_dbg(chip->card->dev, "Using SKL position fix\n");
1552 		return POS_FIX_SKL;
1553 	}
1554 	return POS_FIX_AUTO;
1555 }
1556 
1557 static void assign_position_fix(struct azx *chip, int fix)
1558 {
1559 	static const azx_get_pos_callback_t callbacks[] = {
1560 		[POS_FIX_AUTO] = NULL,
1561 		[POS_FIX_LPIB] = azx_get_pos_lpib,
1562 		[POS_FIX_POSBUF] = azx_get_pos_posbuf,
1563 		[POS_FIX_VIACOMBO] = azx_via_get_position,
1564 		[POS_FIX_COMBO] = azx_get_pos_lpib,
1565 		[POS_FIX_SKL] = azx_get_pos_posbuf,
1566 		[POS_FIX_FIFO] = azx_get_pos_fifo,
1567 	};
1568 
1569 	chip->get_position[0] = chip->get_position[1] = callbacks[fix];
1570 
1571 	/* combo mode uses LPIB only for playback */
1572 	if (fix == POS_FIX_COMBO)
1573 		chip->get_position[1] = NULL;
1574 
1575 	if ((fix == POS_FIX_POSBUF || fix == POS_FIX_SKL) &&
1576 	    (chip->driver_caps & AZX_DCAPS_COUNT_LPIB_DELAY)) {
1577 		chip->get_delay[0] = chip->get_delay[1] =
1578 			azx_get_delay_from_lpib;
1579 	}
1580 
1581 	if (fix == POS_FIX_FIFO)
1582 		chip->get_delay[0] = chip->get_delay[1] =
1583 			azx_get_delay_from_fifo;
1584 }
1585 
1586 /*
1587  * deny-lists for probe_mask
1588  */
1589 static const struct snd_pci_quirk probe_mask_list[] = {
1590 	/* Thinkpad often breaks the controller communication when accessing
1591 	 * to the non-working (or non-existing) modem codec slot.
1592 	 */
1593 	SND_PCI_QUIRK(0x1014, 0x05b7, "Thinkpad Z60", 0x01),
1594 	SND_PCI_QUIRK(0x17aa, 0x2010, "Thinkpad X/T/R60", 0x01),
1595 	SND_PCI_QUIRK(0x17aa, 0x20ac, "Thinkpad X/T/R61", 0x01),
1596 	/* broken BIOS */
1597 	SND_PCI_QUIRK(0x1028, 0x20ac, "Dell Studio Desktop", 0x01),
1598 	/* including bogus ALC268 in slot#2 that conflicts with ALC888 */
1599 	SND_PCI_QUIRK(0x17c0, 0x4085, "Medion MD96630", 0x01),
1600 	/* forced codec slots */
1601 	SND_PCI_QUIRK(0x1043, 0x1262, "ASUS W5Fm", 0x103),
1602 	SND_PCI_QUIRK(0x1046, 0x1262, "ASUS W5F", 0x103),
1603 	SND_PCI_QUIRK(0x1558, 0x0351, "Schenker Dock 15", 0x105),
1604 	/* WinFast VP200 H (Teradici) user reported broken communication */
1605 	SND_PCI_QUIRK(0x3a21, 0x040d, "WinFast VP200 H", 0x101),
1606 	{}
1607 };
1608 
1609 #define AZX_FORCE_CODEC_MASK	0x100
1610 
1611 static void check_probe_mask(struct azx *chip, int dev)
1612 {
1613 	const struct snd_pci_quirk *q;
1614 
1615 	chip->codec_probe_mask = probe_mask[dev];
1616 	if (chip->codec_probe_mask == -1) {
1617 		q = snd_pci_quirk_lookup(chip->pci, probe_mask_list);
1618 		if (q) {
1619 			dev_info(chip->card->dev,
1620 				 "probe_mask set to 0x%x for device %04x:%04x\n",
1621 				 q->value, q->subvendor, q->subdevice);
1622 			chip->codec_probe_mask = q->value;
1623 		}
1624 	}
1625 
1626 	/* check forced option */
1627 	if (chip->codec_probe_mask != -1 &&
1628 	    (chip->codec_probe_mask & AZX_FORCE_CODEC_MASK)) {
1629 		azx_bus(chip)->codec_mask = chip->codec_probe_mask & 0xff;
1630 		dev_info(chip->card->dev, "codec_mask forced to 0x%x\n",
1631 			 (int)azx_bus(chip)->codec_mask);
1632 	}
1633 }
1634 
1635 /*
1636  * allow/deny-list for enable_msi
1637  */
1638 static const struct snd_pci_quirk msi_deny_list[] = {
1639 	SND_PCI_QUIRK(0x103c, 0x2191, "HP", 0), /* AMD Hudson */
1640 	SND_PCI_QUIRK(0x103c, 0x2192, "HP", 0), /* AMD Hudson */
1641 	SND_PCI_QUIRK(0x103c, 0x21f7, "HP", 0), /* AMD Hudson */
1642 	SND_PCI_QUIRK(0x103c, 0x21fa, "HP", 0), /* AMD Hudson */
1643 	SND_PCI_QUIRK(0x1043, 0x81f2, "ASUS", 0), /* Athlon64 X2 + nvidia */
1644 	SND_PCI_QUIRK(0x1043, 0x81f6, "ASUS", 0), /* nvidia */
1645 	SND_PCI_QUIRK(0x1043, 0x822d, "ASUS", 0), /* Athlon64 X2 + nvidia MCP55 */
1646 	SND_PCI_QUIRK(0x1179, 0xfb44, "Toshiba Satellite C870", 0), /* AMD Hudson */
1647 	SND_PCI_QUIRK(0x1849, 0x0888, "ASRock", 0), /* Athlon64 X2 + nvidia */
1648 	SND_PCI_QUIRK(0xa0a0, 0x0575, "Aopen MZ915-M", 0), /* ICH6 */
1649 	{}
1650 };
1651 
1652 static void check_msi(struct azx *chip)
1653 {
1654 	const struct snd_pci_quirk *q;
1655 
1656 	if (enable_msi >= 0) {
1657 		chip->msi = !!enable_msi;
1658 		return;
1659 	}
1660 	chip->msi = 1;	/* enable MSI as default */
1661 	q = snd_pci_quirk_lookup(chip->pci, msi_deny_list);
1662 	if (q) {
1663 		dev_info(chip->card->dev,
1664 			 "msi for device %04x:%04x set to %d\n",
1665 			 q->subvendor, q->subdevice, q->value);
1666 		chip->msi = q->value;
1667 		return;
1668 	}
1669 
1670 	/* NVidia chipsets seem to cause troubles with MSI */
1671 	if (chip->driver_caps & AZX_DCAPS_NO_MSI) {
1672 		dev_info(chip->card->dev, "Disabling MSI\n");
1673 		chip->msi = 0;
1674 	}
1675 }
1676 
1677 /* check the snoop mode availability */
1678 static void azx_check_snoop_available(struct azx *chip)
1679 {
1680 	int snoop = hda_snoop;
1681 
1682 	if (snoop >= 0) {
1683 		dev_info(chip->card->dev, "Force to %s mode by module option\n",
1684 			 snoop ? "snoop" : "non-snoop");
1685 		chip->snoop = snoop;
1686 		chip->uc_buffer = !snoop;
1687 		return;
1688 	}
1689 
1690 	snoop = true;
1691 	if (azx_get_snoop_type(chip) == AZX_SNOOP_TYPE_NONE &&
1692 	    chip->driver_type == AZX_DRIVER_VIA) {
1693 		/* force to non-snoop mode for a new VIA controller
1694 		 * when BIOS is set
1695 		 */
1696 		u8 val;
1697 		pci_read_config_byte(chip->pci, 0x42, &val);
1698 		if (!(val & 0x80) && (chip->pci->revision == 0x30 ||
1699 				      chip->pci->revision == 0x20))
1700 			snoop = false;
1701 	}
1702 
1703 	if (chip->driver_caps & AZX_DCAPS_SNOOP_OFF)
1704 		snoop = false;
1705 
1706 #ifdef CONFIG_X86
1707 	/* check the presence of DMA ops (i.e. IOMMU), disable snoop conditionally */
1708 	if ((chip->driver_caps & AZX_DCAPS_AMD_ALLOC_FIX) &&
1709 	    !get_dma_ops(chip->card->dev))
1710 		snoop = false;
1711 #endif
1712 
1713 	chip->snoop = snoop;
1714 	if (!snoop) {
1715 		dev_info(chip->card->dev, "Force to non-snoop mode\n");
1716 		/* C-Media requires non-cached pages only for CORB/RIRB */
1717 		if (chip->driver_type != AZX_DRIVER_CMEDIA)
1718 			chip->uc_buffer = true;
1719 	}
1720 }
1721 
1722 static void azx_probe_work(struct work_struct *work)
1723 {
1724 	struct hda_intel *hda = container_of(work, struct hda_intel, probe_work.work);
1725 	azx_probe_continue(&hda->chip);
1726 }
1727 
1728 static int default_bdl_pos_adj(struct azx *chip)
1729 {
1730 	/* some exceptions: Atoms seem problematic with value 1 */
1731 	if (chip->pci->vendor == PCI_VENDOR_ID_INTEL) {
1732 		switch (chip->pci->device) {
1733 		case PCI_DEVICE_ID_INTEL_HDA_BYT:
1734 		case PCI_DEVICE_ID_INTEL_HDA_BSW:
1735 			return 32;
1736 		case PCI_DEVICE_ID_INTEL_HDA_APL:
1737 			return 64;
1738 		}
1739 	}
1740 
1741 	switch (chip->driver_type) {
1742 	/*
1743 	 * increase the bdl size for Glenfly Gpus for hardware
1744 	 * limitation on hdac interrupt interval
1745 	 */
1746 	case AZX_DRIVER_GFHDMI:
1747 		return 128;
1748 	case AZX_DRIVER_ICH:
1749 	case AZX_DRIVER_PCH:
1750 		return 1;
1751 	default:
1752 		return 32;
1753 	}
1754 }
1755 
1756 /*
1757  * constructor
1758  */
1759 static const struct hda_controller_ops pci_hda_ops;
1760 
1761 static int azx_create(struct snd_card *card, struct pci_dev *pci,
1762 		      int dev, unsigned int driver_caps,
1763 		      struct azx **rchip)
1764 {
1765 	static const struct snd_device_ops ops = {
1766 		.dev_disconnect = azx_dev_disconnect,
1767 		.dev_free = azx_dev_free,
1768 	};
1769 	struct hda_intel *hda;
1770 	struct azx *chip;
1771 	int err;
1772 
1773 	*rchip = NULL;
1774 
1775 	err = pcim_enable_device(pci);
1776 	if (err < 0)
1777 		return err;
1778 
1779 	hda = devm_kzalloc(&pci->dev, sizeof(*hda), GFP_KERNEL);
1780 	if (!hda)
1781 		return -ENOMEM;
1782 
1783 	chip = &hda->chip;
1784 	mutex_init(&chip->open_mutex);
1785 	chip->card = card;
1786 	chip->pci = pci;
1787 	chip->ops = &pci_hda_ops;
1788 	chip->driver_caps = driver_caps;
1789 	chip->driver_type = driver_caps & 0xff;
1790 	check_msi(chip);
1791 	chip->dev_index = dev;
1792 	if (jackpoll_ms[dev] >= 50 && jackpoll_ms[dev] <= 60000)
1793 		chip->jackpoll_interval = msecs_to_jiffies(jackpoll_ms[dev]);
1794 	INIT_LIST_HEAD(&chip->pcm_list);
1795 	INIT_WORK(&hda->irq_pending_work, azx_irq_pending_work);
1796 	INIT_LIST_HEAD(&hda->list);
1797 	init_vga_switcheroo(chip);
1798 	init_completion(&hda->probe_wait);
1799 
1800 	assign_position_fix(chip, check_position_fix(chip, position_fix[dev]));
1801 
1802 	if (single_cmd < 0) /* allow fallback to single_cmd at errors */
1803 		chip->fallback_to_single_cmd = 1;
1804 	else /* explicitly set to single_cmd or not */
1805 		chip->single_cmd = single_cmd;
1806 
1807 	azx_check_snoop_available(chip);
1808 
1809 	if (bdl_pos_adj[dev] < 0)
1810 		chip->bdl_pos_adj = default_bdl_pos_adj(chip);
1811 	else
1812 		chip->bdl_pos_adj = bdl_pos_adj[dev];
1813 
1814 	err = azx_bus_init(chip, model[dev]);
1815 	if (err < 0)
1816 		return err;
1817 
1818 	/* use the non-cached pages in non-snoop mode */
1819 	if (!azx_snoop(chip))
1820 		azx_bus(chip)->dma_type = SNDRV_DMA_TYPE_DEV_WC_SG;
1821 
1822 	if (chip->driver_type == AZX_DRIVER_NVIDIA) {
1823 		dev_dbg(chip->card->dev, "Enable delay in RIRB handling\n");
1824 		chip->bus.core.needs_damn_long_delay = 1;
1825 	}
1826 
1827 	check_probe_mask(chip, dev);
1828 
1829 	err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
1830 	if (err < 0) {
1831 		dev_err(card->dev, "Error creating device [card]!\n");
1832 		azx_free(chip);
1833 		return err;
1834 	}
1835 
1836 	/* continue probing in work context as may trigger request module */
1837 	INIT_DELAYED_WORK(&hda->probe_work, azx_probe_work);
1838 
1839 	*rchip = chip;
1840 
1841 	return 0;
1842 }
1843 
1844 static int azx_first_init(struct azx *chip)
1845 {
1846 	int dev = chip->dev_index;
1847 	struct pci_dev *pci = chip->pci;
1848 	struct snd_card *card = chip->card;
1849 	struct hdac_bus *bus = azx_bus(chip);
1850 	int err;
1851 	unsigned short gcap;
1852 	unsigned int dma_bits = 64;
1853 
1854 #if BITS_PER_LONG != 64
1855 	/* Fix up base address on ULI M5461 */
1856 	if (chip->driver_type == AZX_DRIVER_ULI) {
1857 		u16 tmp3;
1858 		pci_read_config_word(pci, 0x40, &tmp3);
1859 		pci_write_config_word(pci, 0x40, tmp3 | 0x10);
1860 		pci_write_config_dword(pci, PCI_BASE_ADDRESS_1, 0);
1861 	}
1862 #endif
1863 	/*
1864 	 * Fix response write request not synced to memory when handle
1865 	 * hdac interrupt on Glenfly Gpus
1866 	 */
1867 	if (chip->driver_type == AZX_DRIVER_GFHDMI)
1868 		bus->polling_mode = 1;
1869 
1870 	if (chip->driver_type == AZX_DRIVER_LOONGSON) {
1871 		bus->polling_mode = 1;
1872 		bus->not_use_interrupts = 1;
1873 		bus->access_sdnctl_in_dword = 1;
1874 	}
1875 
1876 	err = pcim_iomap_regions(pci, 1 << 0, "ICH HD audio");
1877 	if (err < 0)
1878 		return err;
1879 
1880 	bus->addr = pci_resource_start(pci, 0);
1881 	bus->remap_addr = pcim_iomap_table(pci)[0];
1882 
1883 	if (chip->driver_type == AZX_DRIVER_SKL)
1884 		snd_hdac_bus_parse_capabilities(bus);
1885 
1886 	/*
1887 	 * Some Intel CPUs has always running timer (ART) feature and
1888 	 * controller may have Global time sync reporting capability, so
1889 	 * check both of these before declaring synchronized time reporting
1890 	 * capability SNDRV_PCM_INFO_HAS_LINK_SYNCHRONIZED_ATIME
1891 	 */
1892 	chip->gts_present = false;
1893 
1894 #ifdef CONFIG_X86
1895 	if (bus->ppcap && boot_cpu_has(X86_FEATURE_ART))
1896 		chip->gts_present = true;
1897 #endif
1898 
1899 	if (chip->msi) {
1900 		if (chip->driver_caps & AZX_DCAPS_NO_MSI64) {
1901 			dev_dbg(card->dev, "Disabling 64bit MSI\n");
1902 			pci->no_64bit_msi = true;
1903 		}
1904 		if (pci_enable_msi(pci) < 0)
1905 			chip->msi = 0;
1906 	}
1907 
1908 	pci_set_master(pci);
1909 
1910 	gcap = azx_readw(chip, GCAP);
1911 	dev_dbg(card->dev, "chipset global capabilities = 0x%x\n", gcap);
1912 
1913 	/* AMD devices support 40 or 48bit DMA, take the safe one */
1914 	if (chip->pci->vendor == PCI_VENDOR_ID_AMD)
1915 		dma_bits = 40;
1916 
1917 	/* disable SB600 64bit support for safety */
1918 	if (chip->pci->vendor == PCI_VENDOR_ID_ATI) {
1919 		struct pci_dev *p_smbus;
1920 		dma_bits = 40;
1921 		p_smbus = pci_get_device(PCI_VENDOR_ID_ATI,
1922 					 PCI_DEVICE_ID_ATI_SBX00_SMBUS,
1923 					 NULL);
1924 		if (p_smbus) {
1925 			if (p_smbus->revision < 0x30)
1926 				gcap &= ~AZX_GCAP_64OK;
1927 			pci_dev_put(p_smbus);
1928 		}
1929 	}
1930 
1931 	/* NVidia hardware normally only supports up to 40 bits of DMA */
1932 	if (chip->pci->vendor == PCI_VENDOR_ID_NVIDIA)
1933 		dma_bits = 40;
1934 
1935 	/* disable 64bit DMA address on some devices */
1936 	if (chip->driver_caps & AZX_DCAPS_NO_64BIT) {
1937 		dev_dbg(card->dev, "Disabling 64bit DMA\n");
1938 		gcap &= ~AZX_GCAP_64OK;
1939 	}
1940 
1941 	/* disable buffer size rounding to 128-byte multiples if supported */
1942 	if (align_buffer_size >= 0)
1943 		chip->align_buffer_size = !!align_buffer_size;
1944 	else {
1945 		if (chip->driver_caps & AZX_DCAPS_NO_ALIGN_BUFSIZE)
1946 			chip->align_buffer_size = 0;
1947 		else
1948 			chip->align_buffer_size = 1;
1949 	}
1950 
1951 	/* allow 64bit DMA address if supported by H/W */
1952 	if (!(gcap & AZX_GCAP_64OK))
1953 		dma_bits = 32;
1954 	if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(dma_bits)))
1955 		dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(32));
1956 	dma_set_max_seg_size(&pci->dev, UINT_MAX);
1957 
1958 	/* read number of streams from GCAP register instead of using
1959 	 * hardcoded value
1960 	 */
1961 	chip->capture_streams = (gcap >> 8) & 0x0f;
1962 	chip->playback_streams = (gcap >> 12) & 0x0f;
1963 	if (!chip->playback_streams && !chip->capture_streams) {
1964 		/* gcap didn't give any info, switching to old method */
1965 
1966 		switch (chip->driver_type) {
1967 		case AZX_DRIVER_ULI:
1968 			chip->playback_streams = ULI_NUM_PLAYBACK;
1969 			chip->capture_streams = ULI_NUM_CAPTURE;
1970 			break;
1971 		case AZX_DRIVER_ATIHDMI:
1972 		case AZX_DRIVER_ATIHDMI_NS:
1973 			chip->playback_streams = ATIHDMI_NUM_PLAYBACK;
1974 			chip->capture_streams = ATIHDMI_NUM_CAPTURE;
1975 			break;
1976 		case AZX_DRIVER_GFHDMI:
1977 		case AZX_DRIVER_GENERIC:
1978 		default:
1979 			chip->playback_streams = ICH6_NUM_PLAYBACK;
1980 			chip->capture_streams = ICH6_NUM_CAPTURE;
1981 			break;
1982 		}
1983 	}
1984 	chip->capture_index_offset = 0;
1985 	chip->playback_index_offset = chip->capture_streams;
1986 	chip->num_streams = chip->playback_streams + chip->capture_streams;
1987 
1988 	/* sanity check for the SDxCTL.STRM field overflow */
1989 	if (chip->num_streams > 15 &&
1990 	    (chip->driver_caps & AZX_DCAPS_SEPARATE_STREAM_TAG) == 0) {
1991 		dev_warn(chip->card->dev, "number of I/O streams is %d, "
1992 			 "forcing separate stream tags", chip->num_streams);
1993 		chip->driver_caps |= AZX_DCAPS_SEPARATE_STREAM_TAG;
1994 	}
1995 
1996 	/* initialize streams */
1997 	err = azx_init_streams(chip);
1998 	if (err < 0)
1999 		return err;
2000 
2001 	err = azx_alloc_stream_pages(chip);
2002 	if (err < 0)
2003 		return err;
2004 
2005 	/* initialize chip */
2006 	azx_init_pci(chip);
2007 
2008 	snd_hdac_i915_set_bclk(bus);
2009 
2010 	hda_intel_init_chip(chip, (probe_only[dev] & 2) == 0);
2011 
2012 	/* codec detection */
2013 	if (!azx_bus(chip)->codec_mask) {
2014 		dev_err(card->dev, "no codecs found!\n");
2015 		/* keep running the rest for the runtime PM */
2016 	}
2017 
2018 	if (azx_acquire_irq(chip, 0) < 0)
2019 		return -EBUSY;
2020 
2021 	strcpy(card->driver, "HDA-Intel");
2022 	strscpy(card->shortname, driver_short_names[chip->driver_type],
2023 		sizeof(card->shortname));
2024 	snprintf(card->longname, sizeof(card->longname),
2025 		 "%s at 0x%lx irq %i",
2026 		 card->shortname, bus->addr, bus->irq);
2027 
2028 	return 0;
2029 }
2030 
2031 #ifdef CONFIG_SND_HDA_PATCH_LOADER
2032 /* callback from request_firmware_nowait() */
2033 static void azx_firmware_cb(const struct firmware *fw, void *context)
2034 {
2035 	struct snd_card *card = context;
2036 	struct azx *chip = card->private_data;
2037 
2038 	if (fw)
2039 		chip->fw = fw;
2040 	else
2041 		dev_err(card->dev, "Cannot load firmware, continue without patching\n");
2042 	if (!chip->disabled) {
2043 		/* continue probing */
2044 		azx_probe_continue(chip);
2045 	}
2046 }
2047 #endif
2048 
2049 static int disable_msi_reset_irq(struct azx *chip)
2050 {
2051 	struct hdac_bus *bus = azx_bus(chip);
2052 	int err;
2053 
2054 	free_irq(bus->irq, chip);
2055 	bus->irq = -1;
2056 	chip->card->sync_irq = -1;
2057 	pci_disable_msi(chip->pci);
2058 	chip->msi = 0;
2059 	err = azx_acquire_irq(chip, 1);
2060 	if (err < 0)
2061 		return err;
2062 
2063 	return 0;
2064 }
2065 
2066 /* Denylist for skipping the whole probe:
2067  * some HD-audio PCI entries are exposed without any codecs, and such devices
2068  * should be ignored from the beginning.
2069  */
2070 static const struct pci_device_id driver_denylist[] = {
2071 	{ PCI_DEVICE_SUB(0x1022, 0x1487, 0x1043, 0x874f) }, /* ASUS ROG Zenith II / Strix */
2072 	{ PCI_DEVICE_SUB(0x1022, 0x1487, 0x1462, 0xcb59) }, /* MSI TRX40 Creator */
2073 	{ PCI_DEVICE_SUB(0x1022, 0x1487, 0x1462, 0xcb60) }, /* MSI TRX40 */
2074 	{ PCI_DEVICE_SUB(0x1022, 0x15e3, 0x1022, 0xd601) }, /* ASRock X670E Taichi */
2075 	{}
2076 };
2077 
2078 static const struct hda_controller_ops pci_hda_ops = {
2079 	.disable_msi_reset_irq = disable_msi_reset_irq,
2080 	.position_check = azx_position_check,
2081 };
2082 
2083 static DECLARE_BITMAP(probed_devs, SNDRV_CARDS);
2084 
2085 static int azx_probe(struct pci_dev *pci,
2086 		     const struct pci_device_id *pci_id)
2087 {
2088 	struct snd_card *card;
2089 	struct hda_intel *hda;
2090 	struct azx *chip;
2091 	bool schedule_probe;
2092 	int dev;
2093 	int err;
2094 
2095 	if (pci_match_id(driver_denylist, pci)) {
2096 		dev_info(&pci->dev, "Skipping the device on the denylist\n");
2097 		return -ENODEV;
2098 	}
2099 
2100 	dev = find_first_zero_bit(probed_devs, SNDRV_CARDS);
2101 	if (dev >= SNDRV_CARDS)
2102 		return -ENODEV;
2103 	if (!enable[dev]) {
2104 		set_bit(dev, probed_devs);
2105 		return -ENOENT;
2106 	}
2107 
2108 	/*
2109 	 * stop probe if another Intel's DSP driver should be activated
2110 	 */
2111 	if (dmic_detect) {
2112 		err = snd_intel_dsp_driver_probe(pci);
2113 		if (err != SND_INTEL_DSP_DRIVER_ANY && err != SND_INTEL_DSP_DRIVER_LEGACY) {
2114 			dev_dbg(&pci->dev, "HDAudio driver not selected, aborting probe\n");
2115 			return -ENODEV;
2116 		}
2117 	} else {
2118 		dev_warn(&pci->dev, "dmic_detect option is deprecated, pass snd-intel-dspcfg.dsp_driver=1 option instead\n");
2119 	}
2120 
2121 	err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2122 			   0, &card);
2123 	if (err < 0) {
2124 		dev_err(&pci->dev, "Error creating card!\n");
2125 		return err;
2126 	}
2127 
2128 	err = azx_create(card, pci, dev, pci_id->driver_data, &chip);
2129 	if (err < 0)
2130 		goto out_free;
2131 	card->private_data = chip;
2132 	hda = container_of(chip, struct hda_intel, chip);
2133 
2134 	pci_set_drvdata(pci, card);
2135 
2136 #ifdef CONFIG_SND_HDA_I915
2137 	/* bind with i915 if needed */
2138 	if (chip->driver_caps & AZX_DCAPS_I915_COMPONENT) {
2139 		err = snd_hdac_i915_init(azx_bus(chip));
2140 		if (err < 0) {
2141 			if (err == -EPROBE_DEFER)
2142 				goto out_free;
2143 
2144 			/* if the controller is bound only with HDMI/DP
2145 			 * (for HSW and BDW), we need to abort the probe;
2146 			 * for other chips, still continue probing as other
2147 			 * codecs can be on the same link.
2148 			 */
2149 			if (HDA_CONTROLLER_IN_GPU(pci)) {
2150 				dev_err_probe(card->dev, err,
2151 					     "HSW/BDW HD-audio HDMI/DP requires binding with gfx driver\n");
2152 
2153 				goto out_free;
2154 			} else {
2155 				/* don't bother any longer */
2156 				chip->driver_caps &= ~AZX_DCAPS_I915_COMPONENT;
2157 			}
2158 		}
2159 
2160 		/* HSW/BDW controllers need this power */
2161 		if (HDA_CONTROLLER_IN_GPU(pci))
2162 			hda->need_i915_power = true;
2163 	}
2164 #else
2165 	if (HDA_CONTROLLER_IN_GPU(pci))
2166 		dev_err(card->dev, "Haswell/Broadwell HDMI/DP must build in CONFIG_SND_HDA_I915\n");
2167 #endif
2168 
2169 	err = register_vga_switcheroo(chip);
2170 	if (err < 0) {
2171 		dev_err(card->dev, "Error registering vga_switcheroo client\n");
2172 		goto out_free;
2173 	}
2174 
2175 	if (check_hdmi_disabled(pci)) {
2176 		dev_info(card->dev, "VGA controller is disabled\n");
2177 		dev_info(card->dev, "Delaying initialization\n");
2178 		chip->disabled = true;
2179 	}
2180 
2181 	schedule_probe = !chip->disabled;
2182 
2183 #ifdef CONFIG_SND_HDA_PATCH_LOADER
2184 	if (patch[dev] && *patch[dev]) {
2185 		dev_info(card->dev, "Applying patch firmware '%s'\n",
2186 			 patch[dev]);
2187 		err = request_firmware_nowait(THIS_MODULE, true, patch[dev],
2188 					      &pci->dev, GFP_KERNEL, card,
2189 					      azx_firmware_cb);
2190 		if (err < 0)
2191 			goto out_free;
2192 		schedule_probe = false; /* continued in azx_firmware_cb() */
2193 	}
2194 #endif /* CONFIG_SND_HDA_PATCH_LOADER */
2195 
2196 	if (schedule_probe)
2197 		schedule_delayed_work(&hda->probe_work, 0);
2198 
2199 	set_bit(dev, probed_devs);
2200 	if (chip->disabled)
2201 		complete_all(&hda->probe_wait);
2202 	return 0;
2203 
2204 out_free:
2205 	pci_set_drvdata(pci, NULL);
2206 	snd_card_free(card);
2207 	return err;
2208 }
2209 
2210 /* On some boards setting power_save to a non 0 value leads to clicking /
2211  * popping sounds when ever we enter/leave powersaving mode. Ideally we would
2212  * figure out how to avoid these sounds, but that is not always feasible.
2213  * So we keep a list of devices where we disable powersaving as its known
2214  * to causes problems on these devices.
2215  */
2216 static const struct snd_pci_quirk power_save_denylist[] = {
2217 	/* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */
2218 	SND_PCI_QUIRK(0x1849, 0xc892, "Asrock B85M-ITX", 0),
2219 	/* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */
2220 	SND_PCI_QUIRK(0x1849, 0x0397, "Asrock N68C-S UCC", 0),
2221 	/* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */
2222 	SND_PCI_QUIRK(0x1849, 0x7662, "Asrock H81M-HDS", 0),
2223 	/* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */
2224 	SND_PCI_QUIRK(0x1043, 0x8733, "Asus Prime X370-Pro", 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 	SND_PCI_QUIRK(0x17aa, 0x316e, "Lenovo ThinkCentre M70q", 0),
2241 	/* https://bugzilla.redhat.com/show_bug.cgi?id=1689623 */
2242 	SND_PCI_QUIRK(0x17aa, 0x367b, "Lenovo IdeaCentre B550", 0),
2243 	/* https://bugzilla.redhat.com/show_bug.cgi?id=1572975 */
2244 	SND_PCI_QUIRK(0x17aa, 0x36a7, "Lenovo C50 All in one", 0),
2245 	/* https://bugs.launchpad.net/bugs/1821663 */
2246 	SND_PCI_QUIRK(0x1631, 0xe017, "Packard Bell NEC IMEDIA 5204", 0),
2247 	/* KONTRON SinglePC may cause a stall at runtime resume */
2248 	SND_PCI_QUIRK(0x1734, 0x1232, "KONTRON SinglePC", 0),
2249 	{}
2250 };
2251 
2252 static void set_default_power_save(struct azx *chip)
2253 {
2254 	int val = power_save;
2255 
2256 	if (pm_blacklist) {
2257 		const struct snd_pci_quirk *q;
2258 
2259 		q = snd_pci_quirk_lookup(chip->pci, power_save_denylist);
2260 		if (q && val) {
2261 			dev_info(chip->card->dev, "device %04x:%04x is on the power_save denylist, forcing power_save to 0\n",
2262 				 q->subvendor, q->subdevice);
2263 			val = 0;
2264 		}
2265 	}
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 	if (chip->disabled || hda->init_failed)
2284 		return -EIO;
2285 	if (hda->probe_retry)
2286 		goto probe_retry;
2287 
2288 	to_hda_bus(bus)->bus_probing = 1;
2289 	hda->probe_continued = 1;
2290 
2291 	/* Request display power well for the HDA controller or codec. For
2292 	 * Haswell/Broadwell, both the display HDA controller and codec need
2293 	 * this power. For other platforms, like Baytrail/Braswell, only the
2294 	 * display codec needs the power and it can be released after probe.
2295 	 */
2296 	display_power(chip, true);
2297 
2298 	err = azx_first_init(chip);
2299 	if (err < 0)
2300 		goto out_free;
2301 
2302 #ifdef CONFIG_SND_HDA_INPUT_BEEP
2303 	chip->beep_mode = beep_mode[dev];
2304 #endif
2305 
2306 	chip->ctl_dev_id = ctl_dev_id;
2307 
2308 	/* create codec instances */
2309 	if (bus->codec_mask) {
2310 		err = azx_probe_codecs(chip, azx_max_codecs[chip->driver_type]);
2311 		if (err < 0)
2312 			goto out_free;
2313 	}
2314 
2315 #ifdef CONFIG_SND_HDA_PATCH_LOADER
2316 	if (chip->fw) {
2317 		err = snd_hda_load_patch(&chip->bus, chip->fw->size,
2318 					 chip->fw->data);
2319 		if (err < 0)
2320 			goto out_free;
2321 	}
2322 #endif
2323 
2324  probe_retry:
2325 	if (bus->codec_mask && !(probe_only[dev] & 1)) {
2326 		err = azx_codec_configure(chip);
2327 		if (err) {
2328 			if ((chip->driver_caps & AZX_DCAPS_RETRY_PROBE) &&
2329 			    ++hda->probe_retry < 60) {
2330 				schedule_delayed_work(&hda->probe_work,
2331 						      msecs_to_jiffies(1000));
2332 				return 0; /* keep things up */
2333 			}
2334 			dev_err(chip->card->dev, "Cannot probe codecs, giving up\n");
2335 			goto out_free;
2336 		}
2337 	}
2338 
2339 	err = snd_card_register(chip->card);
2340 	if (err < 0)
2341 		goto out_free;
2342 
2343 	setup_vga_switcheroo_runtime_pm(chip);
2344 
2345 	chip->running = 1;
2346 	azx_add_card_list(chip);
2347 
2348 	set_default_power_save(chip);
2349 
2350 	if (azx_has_pm_runtime(chip)) {
2351 		pm_runtime_use_autosuspend(&pci->dev);
2352 		pm_runtime_allow(&pci->dev);
2353 		pm_runtime_put_autosuspend(&pci->dev);
2354 	}
2355 
2356 out_free:
2357 	if (err < 0) {
2358 		pci_set_drvdata(pci, NULL);
2359 		snd_card_free(chip->card);
2360 		return err;
2361 	}
2362 
2363 	if (!hda->need_i915_power)
2364 		display_power(chip, false);
2365 	complete_all(&hda->probe_wait);
2366 	to_hda_bus(bus)->bus_probing = 0;
2367 	hda->probe_retry = 0;
2368 	return 0;
2369 }
2370 
2371 static void azx_remove(struct pci_dev *pci)
2372 {
2373 	struct snd_card *card = pci_get_drvdata(pci);
2374 	struct azx *chip;
2375 	struct hda_intel *hda;
2376 
2377 	if (card) {
2378 		/* cancel the pending probing work */
2379 		chip = card->private_data;
2380 		hda = container_of(chip, struct hda_intel, chip);
2381 		/* FIXME: below is an ugly workaround.
2382 		 * Both device_release_driver() and driver_probe_device()
2383 		 * take *both* the device's and its parent's lock before
2384 		 * calling the remove() and probe() callbacks.  The codec
2385 		 * probe takes the locks of both the codec itself and its
2386 		 * parent, i.e. the PCI controller dev.  Meanwhile, when
2387 		 * the PCI controller is unbound, it takes its lock, too
2388 		 * ==> ouch, a deadlock!
2389 		 * As a workaround, we unlock temporarily here the controller
2390 		 * device during cancel_work_sync() call.
2391 		 */
2392 		device_unlock(&pci->dev);
2393 		cancel_delayed_work_sync(&hda->probe_work);
2394 		device_lock(&pci->dev);
2395 
2396 		clear_bit(chip->dev_index, probed_devs);
2397 		pci_set_drvdata(pci, NULL);
2398 		snd_card_free(card);
2399 	}
2400 }
2401 
2402 static void azx_shutdown(struct pci_dev *pci)
2403 {
2404 	struct snd_card *card = pci_get_drvdata(pci);
2405 	struct azx *chip;
2406 
2407 	if (!card)
2408 		return;
2409 	chip = card->private_data;
2410 	if (chip && chip->running)
2411 		__azx_shutdown_chip(chip, true);
2412 }
2413 
2414 /* PCI IDs */
2415 static const struct pci_device_id azx_ids[] = {
2416 	/* CPT */
2417 	{ PCI_DEVICE_DATA(INTEL, HDA_CPT, AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM) },
2418 	/* PBG */
2419 	{ PCI_DEVICE_DATA(INTEL, HDA_PBG, AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM) },
2420 	/* Panther Point */
2421 	{ PCI_DEVICE_DATA(INTEL, HDA_PPT, AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM) },
2422 	/* Lynx Point */
2423 	{ PCI_DEVICE_DATA(INTEL, HDA_LPT, AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH) },
2424 	/* 9 Series */
2425 	{ PCI_DEVICE_DATA(INTEL, HDA_9_SERIES, AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH) },
2426 	/* Wellsburg */
2427 	{ PCI_DEVICE_DATA(INTEL, HDA_WBG_0, AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH) },
2428 	{ PCI_DEVICE_DATA(INTEL, HDA_WBG_1, AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH) },
2429 	/* Lewisburg */
2430 	{ PCI_DEVICE_DATA(INTEL, HDA_LBG_0, AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE) },
2431 	{ PCI_DEVICE_DATA(INTEL, HDA_LBG_1, AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE) },
2432 	/* Lynx Point-LP */
2433 	{ PCI_DEVICE_DATA(INTEL, HDA_LPT_LP_0, AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH) },
2434 	/* Lynx Point-LP */
2435 	{ PCI_DEVICE_DATA(INTEL, HDA_LPT_LP_1, AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH) },
2436 	/* Wildcat Point-LP */
2437 	{ PCI_DEVICE_DATA(INTEL, HDA_WPT_LP, AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH) },
2438 	/* Skylake (Sunrise Point) */
2439 	{ PCI_DEVICE_DATA(INTEL, HDA_SKL, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE) },
2440 	/* Skylake-LP (Sunrise Point-LP) */
2441 	{ PCI_DEVICE_DATA(INTEL, HDA_SKL_LP, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE) },
2442 	/* Kabylake */
2443 	{ PCI_DEVICE_DATA(INTEL, HDA_KBL, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE) },
2444 	/* Kabylake-LP */
2445 	{ PCI_DEVICE_DATA(INTEL, HDA_KBL_LP, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE) },
2446 	/* Kabylake-H */
2447 	{ PCI_DEVICE_DATA(INTEL, HDA_KBL_H, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE) },
2448 	/* Coffelake */
2449 	{ PCI_DEVICE_DATA(INTEL, HDA_CNL_H, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE) },
2450 	/* Cannonlake */
2451 	{ PCI_DEVICE_DATA(INTEL, HDA_CNL_LP, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE) },
2452 	/* CometLake-LP */
2453 	{ PCI_DEVICE_DATA(INTEL, HDA_CML_LP, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE) },
2454 	/* CometLake-H */
2455 	{ PCI_DEVICE_DATA(INTEL, HDA_CML_H, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE) },
2456 	{ PCI_DEVICE_DATA(INTEL, HDA_RKL_S, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE) },
2457 	/* CometLake-S */
2458 	{ PCI_DEVICE_DATA(INTEL, HDA_CML_S, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE) },
2459 	/* CometLake-R */
2460 	{ PCI_DEVICE_DATA(INTEL, HDA_CML_R, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE) },
2461 	/* Icelake */
2462 	{ PCI_DEVICE_DATA(INTEL, HDA_ICL_LP, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE) },
2463 	/* Icelake-H */
2464 	{ PCI_DEVICE_DATA(INTEL, HDA_ICL_H, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE) },
2465 	/* Jasperlake */
2466 	{ PCI_DEVICE_DATA(INTEL, HDA_ICL_N, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE) },
2467 	{ PCI_DEVICE_DATA(INTEL, HDA_JSL_N, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE) },
2468 	/* Tigerlake */
2469 	{ PCI_DEVICE_DATA(INTEL, HDA_TGL_LP, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE) },
2470 	/* Tigerlake-H */
2471 	{ PCI_DEVICE_DATA(INTEL, HDA_TGL_H, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE) },
2472 	/* DG1 */
2473 	{ PCI_DEVICE_DATA(INTEL, HDA_DG1, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE) },
2474 	/* DG2 */
2475 	{ PCI_DEVICE_DATA(INTEL, HDA_DG2_0, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE) },
2476 	{ PCI_DEVICE_DATA(INTEL, HDA_DG2_1, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE) },
2477 	{ PCI_DEVICE_DATA(INTEL, HDA_DG2_2, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE) },
2478 	/* Alderlake-S */
2479 	{ PCI_DEVICE_DATA(INTEL, HDA_ADL_S, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE) },
2480 	/* Alderlake-P */
2481 	{ PCI_DEVICE_DATA(INTEL, HDA_ADL_P, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE) },
2482 	{ PCI_DEVICE_DATA(INTEL, HDA_ADL_PS, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE) },
2483 	{ PCI_DEVICE_DATA(INTEL, HDA_ADL_PX, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE) },
2484 	/* Alderlake-M */
2485 	{ PCI_DEVICE_DATA(INTEL, HDA_ADL_M, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE) },
2486 	/* Alderlake-N */
2487 	{ PCI_DEVICE_DATA(INTEL, HDA_ADL_N, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE) },
2488 	/* Elkhart Lake */
2489 	{ PCI_DEVICE_DATA(INTEL, HDA_EHL_0, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE) },
2490 	{ PCI_DEVICE_DATA(INTEL, HDA_EHL_3, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE) },
2491 	/* Raptor Lake */
2492 	{ PCI_DEVICE_DATA(INTEL, HDA_RPL_S, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE) },
2493 	{ PCI_DEVICE_DATA(INTEL, HDA_RPL_P_0, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE) },
2494 	{ PCI_DEVICE_DATA(INTEL, HDA_RPL_P_1, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE) },
2495 	{ PCI_DEVICE_DATA(INTEL, HDA_RPL_M, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE) },
2496 	{ PCI_DEVICE_DATA(INTEL, HDA_RPL_PX, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE) },
2497 	{ PCI_DEVICE_DATA(INTEL, HDA_MTL, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE) },
2498 	/* Battlemage */
2499 	{ PCI_DEVICE_DATA(INTEL, HDA_BMG, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE) },
2500 	/* Lunarlake-P */
2501 	{ PCI_DEVICE_DATA(INTEL, HDA_LNL_P, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_LNL) },
2502 	/* Arrow Lake-S */
2503 	{ PCI_DEVICE_DATA(INTEL, HDA_ARL_S, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE) },
2504 	/* Arrow Lake */
2505 	{ PCI_DEVICE_DATA(INTEL, HDA_ARL, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE) },
2506 	/* Panther Lake */
2507 	{ PCI_DEVICE_DATA(INTEL, HDA_PTL, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_LNL) },
2508 	/* Apollolake (Broxton-P) */
2509 	{ PCI_DEVICE_DATA(INTEL, HDA_APL, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_BROXTON) },
2510 	/* Gemini-Lake */
2511 	{ PCI_DEVICE_DATA(INTEL, HDA_GML, AZX_DRIVER_SKL | AZX_DCAPS_INTEL_BROXTON) },
2512 	/* Haswell */
2513 	{ PCI_DEVICE_DATA(INTEL, HDA_HSW_0, AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL) },
2514 	{ PCI_DEVICE_DATA(INTEL, HDA_HSW_2, AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL) },
2515 	{ PCI_DEVICE_DATA(INTEL, HDA_HSW_3, AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL) },
2516 	/* Broadwell */
2517 	{ PCI_DEVICE_DATA(INTEL, HDA_BDW, AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_BROADWELL) },
2518 	/* 5 Series/3400 */
2519 	{ PCI_DEVICE_DATA(INTEL, HDA_5_3400_SERIES_0, AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_NOPM) },
2520 	{ PCI_DEVICE_DATA(INTEL, HDA_5_3400_SERIES_1, AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_NOPM) },
2521 	/* Poulsbo */
2522 	{ PCI_DEVICE_DATA(INTEL, HDA_POULSBO, AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_BASE |
2523 	  AZX_DCAPS_POSFIX_LPIB) },
2524 	/* Oaktrail */
2525 	{ PCI_DEVICE_DATA(INTEL, HDA_OAKTRAIL, AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_BASE) },
2526 	/* BayTrail */
2527 	{ PCI_DEVICE_DATA(INTEL, HDA_BYT, AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BAYTRAIL) },
2528 	/* Braswell */
2529 	{ PCI_DEVICE_DATA(INTEL, HDA_BSW, AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BRASWELL) },
2530 	/* ICH6 */
2531 	{ PCI_DEVICE_DATA(INTEL, HDA_ICH6, AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH) },
2532 	/* ICH7 */
2533 	{ PCI_DEVICE_DATA(INTEL, HDA_ICH7, AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH) },
2534 	/* ESB2 */
2535 	{ PCI_DEVICE_DATA(INTEL, HDA_ESB2, AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH) },
2536 	/* ICH8 */
2537 	{ PCI_DEVICE_DATA(INTEL, HDA_ICH8, AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH) },
2538 	/* ICH9 */
2539 	{ PCI_DEVICE_DATA(INTEL, HDA_ICH9_0, AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH) },
2540 	/* ICH9 */
2541 	{ PCI_DEVICE_DATA(INTEL, HDA_ICH9_1, AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH) },
2542 	/* ICH10 */
2543 	{ PCI_DEVICE_DATA(INTEL, HDA_ICH10_0, AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH) },
2544 	/* ICH10 */
2545 	{ PCI_DEVICE_DATA(INTEL, HDA_ICH10_1, AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH) },
2546 	/* Generic Intel */
2547 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_ANY_ID),
2548 	  .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2549 	  .class_mask = 0xffffff,
2550 	  .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_NO_ALIGN_BUFSIZE },
2551 	/* ATI SB 450/600/700/800/900 */
2552 	{ PCI_VDEVICE(ATI, 0x437b),
2553 	  .driver_data = AZX_DRIVER_ATI | AZX_DCAPS_PRESET_ATI_SB },
2554 	{ PCI_VDEVICE(ATI, 0x4383),
2555 	  .driver_data = AZX_DRIVER_ATI | AZX_DCAPS_PRESET_ATI_SB },
2556 	/* AMD Hudson */
2557 	{ PCI_VDEVICE(AMD, 0x780d),
2558 	  .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB },
2559 	/* AMD, X370 & co */
2560 	{ PCI_VDEVICE(AMD, 0x1457),
2561 	  .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_AMD_SB },
2562 	/* AMD, X570 & co */
2563 	{ PCI_VDEVICE(AMD, 0x1487),
2564 	  .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_AMD_SB },
2565 	/* AMD Stoney */
2566 	{ PCI_VDEVICE(AMD, 0x157a),
2567 	  .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB |
2568 			 AZX_DCAPS_PM_RUNTIME },
2569 	/* AMD Raven */
2570 	{ PCI_VDEVICE(AMD, 0x15e3),
2571 	  .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_AMD_SB },
2572 	/* ATI HDMI */
2573 	{ PCI_VDEVICE(ATI, 0x0002),
2574 	  .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2575 	  AZX_DCAPS_PM_RUNTIME },
2576 	{ PCI_VDEVICE(ATI, 0x1308),
2577 	  .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2578 	{ PCI_VDEVICE(ATI, 0x157a),
2579 	  .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2580 	{ PCI_VDEVICE(ATI, 0x15b3),
2581 	  .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2582 	{ PCI_VDEVICE(ATI, 0x793b),
2583 	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2584 	{ PCI_VDEVICE(ATI, 0x7919),
2585 	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2586 	{ PCI_VDEVICE(ATI, 0x960f),
2587 	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2588 	{ PCI_VDEVICE(ATI, 0x970f),
2589 	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2590 	{ PCI_VDEVICE(ATI, 0x9840),
2591 	  .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2592 	{ PCI_VDEVICE(ATI, 0xaa00),
2593 	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2594 	{ PCI_VDEVICE(ATI, 0xaa08),
2595 	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2596 	{ PCI_VDEVICE(ATI, 0xaa10),
2597 	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2598 	{ PCI_VDEVICE(ATI, 0xaa18),
2599 	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2600 	{ PCI_VDEVICE(ATI, 0xaa20),
2601 	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2602 	{ PCI_VDEVICE(ATI, 0xaa28),
2603 	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2604 	{ PCI_VDEVICE(ATI, 0xaa30),
2605 	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2606 	{ PCI_VDEVICE(ATI, 0xaa38),
2607 	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2608 	{ PCI_VDEVICE(ATI, 0xaa40),
2609 	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2610 	{ PCI_VDEVICE(ATI, 0xaa48),
2611 	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2612 	{ PCI_VDEVICE(ATI, 0xaa50),
2613 	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2614 	{ PCI_VDEVICE(ATI, 0xaa58),
2615 	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2616 	{ PCI_VDEVICE(ATI, 0xaa60),
2617 	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2618 	{ PCI_VDEVICE(ATI, 0xaa68),
2619 	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2620 	{ PCI_VDEVICE(ATI, 0xaa80),
2621 	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2622 	{ PCI_VDEVICE(ATI, 0xaa88),
2623 	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2624 	{ PCI_VDEVICE(ATI, 0xaa90),
2625 	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2626 	{ PCI_VDEVICE(ATI, 0xaa98),
2627 	  .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2628 	{ PCI_VDEVICE(ATI, 0x9902),
2629 	  .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2630 	{ PCI_VDEVICE(ATI, 0xaaa0),
2631 	  .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2632 	{ PCI_VDEVICE(ATI, 0xaaa8),
2633 	  .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2634 	{ PCI_VDEVICE(ATI, 0xaab0),
2635 	  .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2636 	{ PCI_VDEVICE(ATI, 0xaac0),
2637 	  .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2638 	  AZX_DCAPS_PM_RUNTIME },
2639 	{ PCI_VDEVICE(ATI, 0xaac8),
2640 	  .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2641 	  AZX_DCAPS_PM_RUNTIME },
2642 	{ PCI_VDEVICE(ATI, 0xaad8),
2643 	  .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2644 	  AZX_DCAPS_PM_RUNTIME },
2645 	{ PCI_VDEVICE(ATI, 0xaae0),
2646 	  .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2647 	  AZX_DCAPS_PM_RUNTIME },
2648 	{ PCI_VDEVICE(ATI, 0xaae8),
2649 	  .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2650 	  AZX_DCAPS_PM_RUNTIME },
2651 	{ PCI_VDEVICE(ATI, 0xaaf0),
2652 	  .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2653 	  AZX_DCAPS_PM_RUNTIME },
2654 	{ PCI_VDEVICE(ATI, 0xaaf8),
2655 	  .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2656 	  AZX_DCAPS_PM_RUNTIME },
2657 	{ PCI_VDEVICE(ATI, 0xab00),
2658 	  .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2659 	  AZX_DCAPS_PM_RUNTIME },
2660 	{ PCI_VDEVICE(ATI, 0xab08),
2661 	  .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2662 	  AZX_DCAPS_PM_RUNTIME },
2663 	{ PCI_VDEVICE(ATI, 0xab10),
2664 	  .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2665 	  AZX_DCAPS_PM_RUNTIME },
2666 	{ PCI_VDEVICE(ATI, 0xab18),
2667 	  .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2668 	  AZX_DCAPS_PM_RUNTIME },
2669 	{ PCI_VDEVICE(ATI, 0xab20),
2670 	  .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2671 	  AZX_DCAPS_PM_RUNTIME },
2672 	{ PCI_VDEVICE(ATI, 0xab28),
2673 	  .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2674 	  AZX_DCAPS_PM_RUNTIME },
2675 	{ PCI_VDEVICE(ATI, 0xab30),
2676 	  .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2677 	  AZX_DCAPS_PM_RUNTIME },
2678 	{ PCI_VDEVICE(ATI, 0xab38),
2679 	  .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
2680 	  AZX_DCAPS_PM_RUNTIME },
2681 	/* GLENFLY */
2682 	{ PCI_DEVICE(0x6766, PCI_ANY_ID),
2683 	  .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2684 	  .class_mask = 0xffffff,
2685 	  .driver_data = AZX_DRIVER_GFHDMI | AZX_DCAPS_POSFIX_LPIB |
2686 	  AZX_DCAPS_NO_MSI | AZX_DCAPS_NO_64BIT },
2687 	/* VIA VT8251/VT8237A */
2688 	{ PCI_VDEVICE(VIA, 0x3288), .driver_data = AZX_DRIVER_VIA },
2689 	/* VIA GFX VT7122/VX900 */
2690 	{ PCI_VDEVICE(VIA, 0x9170), .driver_data = AZX_DRIVER_GENERIC },
2691 	/* VIA GFX VT6122/VX11 */
2692 	{ PCI_VDEVICE(VIA, 0x9140), .driver_data = AZX_DRIVER_GENERIC },
2693 	/* SIS966 */
2694 	{ PCI_VDEVICE(SI, 0x7502), .driver_data = AZX_DRIVER_SIS },
2695 	/* ULI M5461 */
2696 	{ PCI_VDEVICE(AL, 0x5461), .driver_data = AZX_DRIVER_ULI },
2697 	/* NVIDIA MCP */
2698 	{ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
2699 	  .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2700 	  .class_mask = 0xffffff,
2701 	  .driver_data = AZX_DRIVER_NVIDIA | AZX_DCAPS_PRESET_NVIDIA },
2702 	/* Teradici */
2703 	{ PCI_DEVICE(0x6549, 0x1200),
2704 	  .driver_data = AZX_DRIVER_TERA | AZX_DCAPS_NO_64BIT },
2705 	{ PCI_DEVICE(0x6549, 0x2200),
2706 	  .driver_data = AZX_DRIVER_TERA | AZX_DCAPS_NO_64BIT },
2707 	/* Creative X-Fi (CA0110-IBG) */
2708 	/* CTHDA chips */
2709 	{ PCI_VDEVICE(CREATIVE, 0x0010),
2710 	  .driver_data = AZX_DRIVER_CTHDA | AZX_DCAPS_PRESET_CTHDA },
2711 	{ PCI_VDEVICE(CREATIVE, 0x0012),
2712 	  .driver_data = AZX_DRIVER_CTHDA | AZX_DCAPS_PRESET_CTHDA },
2713 #if !IS_ENABLED(CONFIG_SND_CTXFI)
2714 	/* the following entry conflicts with snd-ctxfi driver,
2715 	 * as ctxfi driver mutates from HD-audio to native mode with
2716 	 * a special command sequence.
2717 	 */
2718 	{ PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_ANY_ID),
2719 	  .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2720 	  .class_mask = 0xffffff,
2721 	  .driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND |
2722 	  AZX_DCAPS_NO_64BIT | AZX_DCAPS_POSFIX_LPIB },
2723 #else
2724 	/* this entry seems still valid -- i.e. without emu20kx chip */
2725 	{ PCI_VDEVICE(CREATIVE, 0x0009),
2726 	  .driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND |
2727 	  AZX_DCAPS_NO_64BIT | AZX_DCAPS_POSFIX_LPIB },
2728 #endif
2729 	/* CM8888 */
2730 	{ PCI_VDEVICE(CMEDIA, 0x5011),
2731 	  .driver_data = AZX_DRIVER_CMEDIA |
2732 	  AZX_DCAPS_NO_MSI | AZX_DCAPS_POSFIX_LPIB | AZX_DCAPS_SNOOP_OFF },
2733 	/* Vortex86MX */
2734 	{ PCI_VDEVICE(RDC, 0x3010), .driver_data = AZX_DRIVER_GENERIC },
2735 	/* VMware HDAudio */
2736 	{ PCI_VDEVICE(VMWARE, 0x1977), .driver_data = AZX_DRIVER_GENERIC },
2737 	/* AMD/ATI Generic, PCI class code and Vendor ID for HD Audio */
2738 	{ PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_ANY_ID),
2739 	  .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2740 	  .class_mask = 0xffffff,
2741 	  .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_HDMI },
2742 	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_ANY_ID),
2743 	  .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2744 	  .class_mask = 0xffffff,
2745 	  .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_HDMI },
2746 	/* Zhaoxin */
2747 	{ PCI_VDEVICE(ZHAOXIN, 0x3288), .driver_data = AZX_DRIVER_ZHAOXIN },
2748 	/* Loongson HDAudio*/
2749 	{ PCI_VDEVICE(LOONGSON, PCI_DEVICE_ID_LOONGSON_HDA),
2750 	  .driver_data = AZX_DRIVER_LOONGSON },
2751 	{ PCI_VDEVICE(LOONGSON, PCI_DEVICE_ID_LOONGSON_HDMI),
2752 	  .driver_data = AZX_DRIVER_LOONGSON },
2753 	{ 0, }
2754 };
2755 MODULE_DEVICE_TABLE(pci, azx_ids);
2756 
2757 /* pci_driver definition */
2758 static struct pci_driver azx_driver = {
2759 	.name = KBUILD_MODNAME,
2760 	.id_table = azx_ids,
2761 	.probe = azx_probe,
2762 	.remove = azx_remove,
2763 	.shutdown = azx_shutdown,
2764 	.driver = {
2765 		.pm = &azx_pm,
2766 	},
2767 };
2768 
2769 module_pci_driver(azx_driver);
2770