3 * hda_intel.c - Implementation of primary alsa driver code base
6 * Copyright(c) 2004 Intel Corporation. All rights reserved.
8 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
9 * PeiSen Hou <pshou@realtek.com.tw>
11 * This program is free software; you can redistribute it and/or modify it
12 * under the terms of the GNU General Public License as published by the Free
13 * Software Foundation; either version 2 of the License, or (at your option)
16 * This program is distributed in the hope that it will be useful, but WITHOUT
17 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
18 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
21 * You should have received a copy of the GNU General Public License along with
22 * this program; if not, write to the Free Software Foundation, Inc., 59
23 * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
27 * Matt Jared matt.jared@intel.com
28 * Andy Kopp andy.kopp@intel.com
29 * Dan Kogan dan.d.kogan@intel.com
33 * 2004.12.01 Major rewrite by tiwai, merged the work of pshou
37 #include <linux/delay.h>
38 #include <linux/interrupt.h>
39 #include <linux/kernel.h>
40 #include <linux/module.h>
41 #include <linux/dma-mapping.h>
42 #include <linux/moduleparam.h>
43 #include <linux/init.h>
44 #include <linux/slab.h>
45 #include <linux/pci.h>
46 #include <linux/mutex.h>
48 #include <linux/pm_runtime.h>
49 #include <linux/clocksource.h>
50 #include <linux/time.h>
51 #include <linux/completion.h>
54 /* for snoop control */
55 #include <asm/pgtable.h>
56 #include <asm/cacheflush.h>
57 #include <asm/cpufeature.h>
59 #include <sound/core.h>
60 #include <sound/initval.h>
61 #include <sound/hdaudio.h>
62 #include <sound/hda_i915.h>
63 #include <linux/vgaarb.h>
64 #include <linux/vga_switcheroo.h>
65 #include <linux/firmware.h>
66 #include "hda_codec.h"
67 #include "hda_controller.h"
68 #include "hda_intel.h"
70 #define CREATE_TRACE_POINTS
71 #include "hda_intel_trace.h"
73 /* position fix mode */
82 /* Defines for ATI HD Audio support in SB450 south bridge */
83 #define ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR 0x42
84 #define ATI_SB450_HDAUDIO_ENABLE_SNOOP 0x02
86 /* Defines for Nvidia HDA support */
87 #define NVIDIA_HDA_TRANSREG_ADDR 0x4e
88 #define NVIDIA_HDA_ENABLE_COHBITS 0x0f
89 #define NVIDIA_HDA_ISTRM_COH 0x4d
90 #define NVIDIA_HDA_OSTRM_COH 0x4c
91 #define NVIDIA_HDA_ENABLE_COHBIT 0x01
93 /* Defines for Intel SCH HDA snoop control */
94 #define INTEL_HDA_CGCTL 0x48
95 #define INTEL_HDA_CGCTL_MISCBDCGE (0x1 << 6)
96 #define INTEL_SCH_HDA_DEVC 0x78
97 #define INTEL_SCH_HDA_DEVC_NOSNOOP (0x1<<11)
99 /* Define IN stream 0 FIFO size offset in VIA controller */
100 #define VIA_IN_STREAM0_FIFO_SIZE_OFFSET 0x90
101 /* Define VIA HD Audio Device ID*/
102 #define VIA_HDAC_DEVICE_ID 0x3288
104 /* max number of SDs */
105 /* ICH, ATI and VIA have 4 playback and 4 capture */
106 #define ICH6_NUM_CAPTURE 4
107 #define ICH6_NUM_PLAYBACK 4
109 /* ULI has 6 playback and 5 capture */
110 #define ULI_NUM_CAPTURE 5
111 #define ULI_NUM_PLAYBACK 6
113 /* ATI HDMI may have up to 8 playbacks and 0 capture */
114 #define ATIHDMI_NUM_CAPTURE 0
115 #define ATIHDMI_NUM_PLAYBACK 8
117 /* TERA has 4 playback and 3 capture */
118 #define TERA_NUM_CAPTURE 3
119 #define TERA_NUM_PLAYBACK 4
122 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
123 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
124 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
125 static char *model[SNDRV_CARDS];
126 static int position_fix[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
127 static int bdl_pos_adj[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
128 static int probe_mask[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
129 static int probe_only[SNDRV_CARDS];
130 static int jackpoll_ms[SNDRV_CARDS];
131 static int single_cmd = -1;
132 static int enable_msi = -1;
133 #ifdef CONFIG_SND_HDA_PATCH_LOADER
134 static char *patch[SNDRV_CARDS];
136 #ifdef CONFIG_SND_HDA_INPUT_BEEP
137 static bool beep_mode[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] =
138 CONFIG_SND_HDA_INPUT_BEEP_MODE};
141 module_param_array(index, int, NULL, 0444);
142 MODULE_PARM_DESC(index, "Index value for Intel HD audio interface.");
143 module_param_array(id, charp, NULL, 0444);
144 MODULE_PARM_DESC(id, "ID string for Intel HD audio interface.");
145 module_param_array(enable, bool, NULL, 0444);
146 MODULE_PARM_DESC(enable, "Enable Intel HD audio interface.");
147 module_param_array(model, charp, NULL, 0444);
148 MODULE_PARM_DESC(model, "Use the given board model.");
149 module_param_array(position_fix, int, NULL, 0444);
150 MODULE_PARM_DESC(position_fix, "DMA pointer read method."
151 "(-1 = system default, 0 = auto, 1 = LPIB, 2 = POSBUF, 3 = VIACOMBO, 4 = COMBO).");
152 module_param_array(bdl_pos_adj, int, NULL, 0644);
153 MODULE_PARM_DESC(bdl_pos_adj, "BDL position adjustment offset.");
154 module_param_array(probe_mask, int, NULL, 0444);
155 MODULE_PARM_DESC(probe_mask, "Bitmask to probe codecs (default = -1).");
156 module_param_array(probe_only, int, NULL, 0444);
157 MODULE_PARM_DESC(probe_only, "Only probing and no codec initialization.");
158 module_param_array(jackpoll_ms, int, NULL, 0444);
159 MODULE_PARM_DESC(jackpoll_ms, "Ms between polling for jack events (default = 0, using unsol events only)");
160 module_param(single_cmd, bint, 0444);
161 MODULE_PARM_DESC(single_cmd, "Use single command to communicate with codecs "
162 "(for debugging only).");
163 module_param(enable_msi, bint, 0444);
164 MODULE_PARM_DESC(enable_msi, "Enable Message Signaled Interrupt (MSI)");
165 #ifdef CONFIG_SND_HDA_PATCH_LOADER
166 module_param_array(patch, charp, NULL, 0444);
167 MODULE_PARM_DESC(patch, "Patch file for Intel HD audio interface.");
169 #ifdef CONFIG_SND_HDA_INPUT_BEEP
170 module_param_array(beep_mode, bool, NULL, 0444);
171 MODULE_PARM_DESC(beep_mode, "Select HDA Beep registration mode "
172 "(0=off, 1=on) (default=1).");
176 static int param_set_xint(const char *val, const struct kernel_param *kp);
177 static const struct kernel_param_ops param_ops_xint = {
178 .set = param_set_xint,
179 .get = param_get_int,
181 #define param_check_xint param_check_int
183 static int power_save = CONFIG_SND_HDA_POWER_SAVE_DEFAULT;
184 module_param(power_save, xint, 0644);
185 MODULE_PARM_DESC(power_save, "Automatic power-saving timeout "
186 "(in second, 0 = disable).");
188 /* reset the HD-audio controller in power save mode.
189 * this may give more power-saving, but will take longer time to
192 static bool power_save_controller = 1;
193 module_param(power_save_controller, bool, 0644);
194 MODULE_PARM_DESC(power_save_controller, "Reset controller in power save mode.");
197 #endif /* CONFIG_PM */
199 static int align_buffer_size = -1;
200 module_param(align_buffer_size, bint, 0644);
201 MODULE_PARM_DESC(align_buffer_size,
202 "Force buffer and period sizes to be multiple of 128 bytes.");
205 static int hda_snoop = -1;
206 module_param_named(snoop, hda_snoop, bint, 0444);
207 MODULE_PARM_DESC(snoop, "Enable/disable snooping");
209 #define hda_snoop true
213 MODULE_LICENSE("GPL");
214 MODULE_SUPPORTED_DEVICE("{{Intel, ICH6},"
248 MODULE_DESCRIPTION("Intel HDA driver");
250 #if defined(CONFIG_PM) && defined(CONFIG_VGA_SWITCHEROO)
251 #if IS_ENABLED(CONFIG_SND_HDA_CODEC_HDMI)
252 #define SUPPORT_VGA_SWITCHEROO
268 AZX_DRIVER_ATIHDMI_NS,
278 AZX_NUM_DRIVERS, /* keep this as last entry */
281 #define azx_get_snoop_type(chip) \
282 (((chip)->driver_caps & AZX_DCAPS_SNOOP_MASK) >> 10)
283 #define AZX_DCAPS_SNOOP_TYPE(type) ((AZX_SNOOP_TYPE_ ## type) << 10)
285 /* quirks for old Intel chipsets */
286 #define AZX_DCAPS_INTEL_ICH \
287 (AZX_DCAPS_OLD_SSYNC | AZX_DCAPS_NO_ALIGN_BUFSIZE)
289 /* quirks for Intel PCH */
290 #define AZX_DCAPS_INTEL_PCH_BASE \
291 (AZX_DCAPS_NO_ALIGN_BUFSIZE | AZX_DCAPS_COUNT_LPIB_DELAY |\
292 AZX_DCAPS_SNOOP_TYPE(SCH))
294 /* PCH up to IVB; no runtime PM */
295 #define AZX_DCAPS_INTEL_PCH_NOPM \
296 (AZX_DCAPS_INTEL_PCH_BASE)
298 /* PCH for HSW/BDW; with runtime PM */
299 #define AZX_DCAPS_INTEL_PCH \
300 (AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_PM_RUNTIME)
303 #define AZX_DCAPS_INTEL_HASWELL \
304 (/*AZX_DCAPS_ALIGN_BUFSIZE |*/ AZX_DCAPS_COUNT_LPIB_DELAY |\
305 AZX_DCAPS_PM_RUNTIME | AZX_DCAPS_I915_POWERWELL |\
306 AZX_DCAPS_SNOOP_TYPE(SCH))
308 /* Broadwell HDMI can't use position buffer reliably, force to use LPIB */
309 #define AZX_DCAPS_INTEL_BROADWELL \
310 (/*AZX_DCAPS_ALIGN_BUFSIZE |*/ AZX_DCAPS_POSFIX_LPIB |\
311 AZX_DCAPS_PM_RUNTIME | AZX_DCAPS_I915_POWERWELL |\
312 AZX_DCAPS_SNOOP_TYPE(SCH))
314 #define AZX_DCAPS_INTEL_BAYTRAIL \
315 (AZX_DCAPS_INTEL_PCH_NOPM | AZX_DCAPS_I915_POWERWELL)
317 #define AZX_DCAPS_INTEL_BRASWELL \
318 (AZX_DCAPS_INTEL_PCH | AZX_DCAPS_I915_POWERWELL)
320 #define AZX_DCAPS_INTEL_SKYLAKE \
321 (AZX_DCAPS_INTEL_PCH | AZX_DCAPS_SEPARATE_STREAM_TAG |\
322 AZX_DCAPS_I915_POWERWELL)
324 #define AZX_DCAPS_INTEL_BROXTON \
325 (AZX_DCAPS_INTEL_PCH | AZX_DCAPS_SEPARATE_STREAM_TAG |\
326 AZX_DCAPS_I915_POWERWELL)
328 /* quirks for ATI SB / AMD Hudson */
329 #define AZX_DCAPS_PRESET_ATI_SB \
330 (AZX_DCAPS_NO_TCSEL | AZX_DCAPS_SYNC_WRITE | AZX_DCAPS_POSFIX_LPIB |\
331 AZX_DCAPS_SNOOP_TYPE(ATI))
333 /* quirks for ATI/AMD HDMI */
334 #define AZX_DCAPS_PRESET_ATI_HDMI \
335 (AZX_DCAPS_NO_TCSEL | AZX_DCAPS_SYNC_WRITE | AZX_DCAPS_POSFIX_LPIB|\
338 /* quirks for ATI HDMI with snoop off */
339 #define AZX_DCAPS_PRESET_ATI_HDMI_NS \
340 (AZX_DCAPS_PRESET_ATI_HDMI | AZX_DCAPS_SNOOP_OFF)
342 /* quirks for Nvidia */
343 #define AZX_DCAPS_PRESET_NVIDIA \
344 (AZX_DCAPS_NO_MSI | AZX_DCAPS_CORBRP_SELF_CLEAR |\
345 AZX_DCAPS_SNOOP_TYPE(NVIDIA))
347 #define AZX_DCAPS_PRESET_CTHDA \
348 (AZX_DCAPS_NO_MSI | AZX_DCAPS_POSFIX_LPIB |\
349 AZX_DCAPS_NO_64BIT |\
350 AZX_DCAPS_4K_BDLE_BOUNDARY | AZX_DCAPS_SNOOP_OFF)
353 * vga_switcheroo support
355 #ifdef SUPPORT_VGA_SWITCHEROO
356 #define use_vga_switcheroo(chip) ((chip)->use_vga_switcheroo)
358 #define use_vga_switcheroo(chip) 0
361 #define CONTROLLER_IN_GPU(pci) (((pci)->device == 0x0a0c) || \
362 ((pci)->device == 0x0c0c) || \
363 ((pci)->device == 0x0d0c) || \
364 ((pci)->device == 0x160c))
366 #define IS_SKL(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0xa170)
367 #define IS_SKL_LP(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x9d70)
368 #define IS_KBL(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0xa171)
369 #define IS_KBL_LP(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x9d71)
370 #define IS_KBL_H(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0xa2f0)
371 #define IS_BXT(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x5a98)
372 #define IS_SKL_PLUS(pci) (IS_SKL(pci) || IS_SKL_LP(pci) || IS_BXT(pci)) || \
373 IS_KBL(pci) || IS_KBL_LP(pci) || IS_KBL_H(pci)
375 static char *driver_short_names[] = {
376 [AZX_DRIVER_ICH] = "HDA Intel",
377 [AZX_DRIVER_PCH] = "HDA Intel PCH",
378 [AZX_DRIVER_SCH] = "HDA Intel MID",
379 [AZX_DRIVER_HDMI] = "HDA Intel HDMI",
380 [AZX_DRIVER_ATI] = "HDA ATI SB",
381 [AZX_DRIVER_ATIHDMI] = "HDA ATI HDMI",
382 [AZX_DRIVER_ATIHDMI_NS] = "HDA ATI HDMI",
383 [AZX_DRIVER_VIA] = "HDA VIA VT82xx",
384 [AZX_DRIVER_SIS] = "HDA SIS966",
385 [AZX_DRIVER_ULI] = "HDA ULI M5461",
386 [AZX_DRIVER_NVIDIA] = "HDA NVidia",
387 [AZX_DRIVER_TERA] = "HDA Teradici",
388 [AZX_DRIVER_CTX] = "HDA Creative",
389 [AZX_DRIVER_CTHDA] = "HDA Creative",
390 [AZX_DRIVER_CMEDIA] = "HDA C-Media",
391 [AZX_DRIVER_GENERIC] = "HD-Audio Generic",
395 static void __mark_pages_wc(struct azx *chip, struct snd_dma_buffer *dmab, bool on)
401 if (!dmab || !dmab->area || !dmab->bytes)
404 #ifdef CONFIG_SND_DMA_SGBUF
405 if (dmab->dev.type == SNDRV_DMA_TYPE_DEV_SG) {
406 struct snd_sg_buf *sgbuf = dmab->private_data;
407 if (chip->driver_type == AZX_DRIVER_CMEDIA)
408 return; /* deal with only CORB/RIRB buffers */
410 set_pages_array_wc(sgbuf->page_table, sgbuf->pages);
412 set_pages_array_wb(sgbuf->page_table, sgbuf->pages);
417 pages = (dmab->bytes + PAGE_SIZE - 1) >> PAGE_SHIFT;
419 set_memory_wc((unsigned long)dmab->area, pages);
421 set_memory_wb((unsigned long)dmab->area, pages);
424 static inline void mark_pages_wc(struct azx *chip, struct snd_dma_buffer *buf,
427 __mark_pages_wc(chip, buf, on);
429 static inline void mark_runtime_wc(struct azx *chip, struct azx_dev *azx_dev,
430 struct snd_pcm_substream *substream, bool on)
432 if (azx_dev->wc_marked != on) {
433 __mark_pages_wc(chip, snd_pcm_get_dma_buf(substream), on);
434 azx_dev->wc_marked = on;
438 /* NOP for other archs */
439 static inline void mark_pages_wc(struct azx *chip, struct snd_dma_buffer *buf,
443 static inline void mark_runtime_wc(struct azx *chip, struct azx_dev *azx_dev,
444 struct snd_pcm_substream *substream, bool on)
449 static int azx_acquire_irq(struct azx *chip, int do_disconnect);
452 * initialize the PCI registers
454 /* update bits in a PCI register byte */
455 static void update_pci_byte(struct pci_dev *pci, unsigned int reg,
456 unsigned char mask, unsigned char val)
460 pci_read_config_byte(pci, reg, &data);
462 data |= (val & mask);
463 pci_write_config_byte(pci, reg, data);
466 static void azx_init_pci(struct azx *chip)
468 int snoop_type = azx_get_snoop_type(chip);
470 /* Clear bits 0-2 of PCI register TCSEL (at offset 0x44)
471 * TCSEL == Traffic Class Select Register, which sets PCI express QOS
472 * Ensuring these bits are 0 clears playback static on some HD Audio
474 * The PCI register TCSEL is defined in the Intel manuals.
476 if (!(chip->driver_caps & AZX_DCAPS_NO_TCSEL)) {
477 dev_dbg(chip->card->dev, "Clearing TCSEL\n");
478 update_pci_byte(chip->pci, AZX_PCIREG_TCSEL, 0x07, 0);
481 /* For ATI SB450/600/700/800/900 and AMD Hudson azalia HD audio,
482 * we need to enable snoop.
484 if (snoop_type == AZX_SNOOP_TYPE_ATI) {
485 dev_dbg(chip->card->dev, "Setting ATI snoop: %d\n",
487 update_pci_byte(chip->pci,
488 ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR, 0x07,
489 azx_snoop(chip) ? ATI_SB450_HDAUDIO_ENABLE_SNOOP : 0);
492 /* For NVIDIA HDA, enable snoop */
493 if (snoop_type == AZX_SNOOP_TYPE_NVIDIA) {
494 dev_dbg(chip->card->dev, "Setting Nvidia snoop: %d\n",
496 update_pci_byte(chip->pci,
497 NVIDIA_HDA_TRANSREG_ADDR,
498 0x0f, NVIDIA_HDA_ENABLE_COHBITS);
499 update_pci_byte(chip->pci,
500 NVIDIA_HDA_ISTRM_COH,
501 0x01, NVIDIA_HDA_ENABLE_COHBIT);
502 update_pci_byte(chip->pci,
503 NVIDIA_HDA_OSTRM_COH,
504 0x01, NVIDIA_HDA_ENABLE_COHBIT);
507 /* Enable SCH/PCH snoop if needed */
508 if (snoop_type == AZX_SNOOP_TYPE_SCH) {
509 unsigned short snoop;
510 pci_read_config_word(chip->pci, INTEL_SCH_HDA_DEVC, &snoop);
511 if ((!azx_snoop(chip) && !(snoop & INTEL_SCH_HDA_DEVC_NOSNOOP)) ||
512 (azx_snoop(chip) && (snoop & INTEL_SCH_HDA_DEVC_NOSNOOP))) {
513 snoop &= ~INTEL_SCH_HDA_DEVC_NOSNOOP;
514 if (!azx_snoop(chip))
515 snoop |= INTEL_SCH_HDA_DEVC_NOSNOOP;
516 pci_write_config_word(chip->pci, INTEL_SCH_HDA_DEVC, snoop);
517 pci_read_config_word(chip->pci,
518 INTEL_SCH_HDA_DEVC, &snoop);
520 dev_dbg(chip->card->dev, "SCH snoop: %s\n",
521 (snoop & INTEL_SCH_HDA_DEVC_NOSNOOP) ?
522 "Disabled" : "Enabled");
527 * In BXT-P A0, HD-Audio DMA requests is later than expected,
528 * and makes an audio stream sensitive to system latencies when
529 * 24/32 bits are playing.
530 * Adjusting threshold of DMA fifo to force the DMA request
531 * sooner to improve latency tolerance at the expense of power.
533 static void bxt_reduce_dma_latency(struct azx *chip)
537 val = azx_readl(chip, SKL_EM4L);
539 azx_writel(chip, SKL_EM4L, val);
542 static void hda_intel_init_chip(struct azx *chip, bool full_reset)
544 struct hdac_bus *bus = azx_bus(chip);
545 struct pci_dev *pci = chip->pci;
548 if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL)
549 snd_hdac_set_codec_wakeup(bus, true);
550 if (IS_SKL_PLUS(pci)) {
551 pci_read_config_dword(pci, INTEL_HDA_CGCTL, &val);
552 val = val & ~INTEL_HDA_CGCTL_MISCBDCGE;
553 pci_write_config_dword(pci, INTEL_HDA_CGCTL, val);
555 azx_init_chip(chip, full_reset);
556 if (IS_SKL_PLUS(pci)) {
557 pci_read_config_dword(pci, INTEL_HDA_CGCTL, &val);
558 val = val | INTEL_HDA_CGCTL_MISCBDCGE;
559 pci_write_config_dword(pci, INTEL_HDA_CGCTL, val);
561 if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL)
562 snd_hdac_set_codec_wakeup(bus, false);
564 /* reduce dma latency to avoid noise */
566 bxt_reduce_dma_latency(chip);
569 /* calculate runtime delay from LPIB */
570 static int azx_get_delay_from_lpib(struct azx *chip, struct azx_dev *azx_dev,
573 struct snd_pcm_substream *substream = azx_dev->core.substream;
574 int stream = substream->stream;
575 unsigned int lpib_pos = azx_get_pos_lpib(chip, azx_dev);
578 if (stream == SNDRV_PCM_STREAM_PLAYBACK)
579 delay = pos - lpib_pos;
581 delay = lpib_pos - pos;
583 if (delay >= azx_dev->core.delay_negative_threshold)
586 delay += azx_dev->core.bufsize;
589 if (delay >= azx_dev->core.period_bytes) {
590 dev_info(chip->card->dev,
591 "Unstable LPIB (%d >= %d); disabling LPIB delay counting\n",
592 delay, azx_dev->core.period_bytes);
594 chip->driver_caps &= ~AZX_DCAPS_COUNT_LPIB_DELAY;
595 chip->get_delay[stream] = NULL;
598 return bytes_to_frames(substream->runtime, delay);
601 static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev);
603 /* called from IRQ */
604 static int azx_position_check(struct azx *chip, struct azx_dev *azx_dev)
606 struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
609 ok = azx_position_ok(chip, azx_dev);
611 azx_dev->irq_pending = 0;
613 } else if (ok == 0) {
614 /* bogus IRQ, process it later */
615 azx_dev->irq_pending = 1;
616 schedule_work(&hda->irq_pending_work);
621 /* Enable/disable i915 display power for the link */
622 static int azx_intel_link_power(struct azx *chip, bool enable)
624 struct hdac_bus *bus = azx_bus(chip);
626 return snd_hdac_display_power(bus, enable);
630 * Check whether the current DMA position is acceptable for updating
631 * periods. Returns non-zero if it's OK.
633 * Many HD-audio controllers appear pretty inaccurate about
634 * the update-IRQ timing. The IRQ is issued before actually the
635 * data is processed. So, we need to process it afterwords in a
638 static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev)
640 struct snd_pcm_substream *substream = azx_dev->core.substream;
641 int stream = substream->stream;
645 wallclk = azx_readl(chip, WALLCLK) - azx_dev->core.start_wallclk;
646 if (wallclk < (azx_dev->core.period_wallclk * 2) / 3)
647 return -1; /* bogus (too early) interrupt */
649 if (chip->get_position[stream])
650 pos = chip->get_position[stream](chip, azx_dev);
651 else { /* use the position buffer as default */
652 pos = azx_get_pos_posbuf(chip, azx_dev);
653 if (!pos || pos == (u32)-1) {
654 dev_info(chip->card->dev,
655 "Invalid position buffer, using LPIB read method instead.\n");
656 chip->get_position[stream] = azx_get_pos_lpib;
657 if (chip->get_position[0] == azx_get_pos_lpib &&
658 chip->get_position[1] == azx_get_pos_lpib)
659 azx_bus(chip)->use_posbuf = false;
660 pos = azx_get_pos_lpib(chip, azx_dev);
661 chip->get_delay[stream] = NULL;
663 chip->get_position[stream] = azx_get_pos_posbuf;
664 if (chip->driver_caps & AZX_DCAPS_COUNT_LPIB_DELAY)
665 chip->get_delay[stream] = azx_get_delay_from_lpib;
669 if (pos >= azx_dev->core.bufsize)
672 if (WARN_ONCE(!azx_dev->core.period_bytes,
673 "hda-intel: zero azx_dev->period_bytes"))
674 return -1; /* this shouldn't happen! */
675 if (wallclk < (azx_dev->core.period_wallclk * 5) / 4 &&
676 pos % azx_dev->core.period_bytes > azx_dev->core.period_bytes / 2)
677 /* NG - it's below the first next period boundary */
678 return chip->bdl_pos_adj ? 0 : -1;
679 azx_dev->core.start_wallclk += wallclk;
680 return 1; /* OK, it's fine */
684 * The work for pending PCM period updates.
686 static void azx_irq_pending_work(struct work_struct *work)
688 struct hda_intel *hda = container_of(work, struct hda_intel, irq_pending_work);
689 struct azx *chip = &hda->chip;
690 struct hdac_bus *bus = azx_bus(chip);
691 struct hdac_stream *s;
694 if (!hda->irq_pending_warned) {
695 dev_info(chip->card->dev,
696 "IRQ timing workaround is activated for card #%d. Suggest a bigger bdl_pos_adj.\n",
698 hda->irq_pending_warned = 1;
703 spin_lock_irq(&bus->reg_lock);
704 list_for_each_entry(s, &bus->stream_list, list) {
705 struct azx_dev *azx_dev = stream_to_azx_dev(s);
706 if (!azx_dev->irq_pending ||
710 ok = azx_position_ok(chip, azx_dev);
712 azx_dev->irq_pending = 0;
713 spin_unlock(&bus->reg_lock);
714 snd_pcm_period_elapsed(s->substream);
715 spin_lock(&bus->reg_lock);
717 pending = 0; /* too early */
721 spin_unlock_irq(&bus->reg_lock);
728 /* clear irq_pending flags and assure no on-going workq */
729 static void azx_clear_irq_pending(struct azx *chip)
731 struct hdac_bus *bus = azx_bus(chip);
732 struct hdac_stream *s;
734 spin_lock_irq(&bus->reg_lock);
735 list_for_each_entry(s, &bus->stream_list, list) {
736 struct azx_dev *azx_dev = stream_to_azx_dev(s);
737 azx_dev->irq_pending = 0;
739 spin_unlock_irq(&bus->reg_lock);
742 static int azx_acquire_irq(struct azx *chip, int do_disconnect)
744 struct hdac_bus *bus = azx_bus(chip);
746 if (request_irq(chip->pci->irq, azx_interrupt,
747 chip->msi ? 0 : IRQF_SHARED,
748 chip->card->irq_descr, chip)) {
749 dev_err(chip->card->dev,
750 "unable to grab IRQ %d, disabling device\n",
753 snd_card_disconnect(chip->card);
756 bus->irq = chip->pci->irq;
757 pci_intx(chip->pci, !chip->msi);
761 /* get the current DMA position with correction on VIA chips */
762 static unsigned int azx_via_get_position(struct azx *chip,
763 struct azx_dev *azx_dev)
765 unsigned int link_pos, mini_pos, bound_pos;
766 unsigned int mod_link_pos, mod_dma_pos, mod_mini_pos;
767 unsigned int fifo_size;
769 link_pos = snd_hdac_stream_get_pos_lpib(azx_stream(azx_dev));
770 if (azx_dev->core.substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
771 /* Playback, no problem using link position */
777 * use mod to get the DMA position just like old chipset
779 mod_dma_pos = le32_to_cpu(*azx_dev->core.posbuf);
780 mod_dma_pos %= azx_dev->core.period_bytes;
782 /* azx_dev->fifo_size can't get FIFO size of in stream.
783 * Get from base address + offset.
785 fifo_size = readw(azx_bus(chip)->remap_addr +
786 VIA_IN_STREAM0_FIFO_SIZE_OFFSET);
788 if (azx_dev->insufficient) {
789 /* Link position never gather than FIFO size */
790 if (link_pos <= fifo_size)
793 azx_dev->insufficient = 0;
796 if (link_pos <= fifo_size)
797 mini_pos = azx_dev->core.bufsize + link_pos - fifo_size;
799 mini_pos = link_pos - fifo_size;
801 /* Find nearest previous boudary */
802 mod_mini_pos = mini_pos % azx_dev->core.period_bytes;
803 mod_link_pos = link_pos % azx_dev->core.period_bytes;
804 if (mod_link_pos >= fifo_size)
805 bound_pos = link_pos - mod_link_pos;
806 else if (mod_dma_pos >= mod_mini_pos)
807 bound_pos = mini_pos - mod_mini_pos;
809 bound_pos = mini_pos - mod_mini_pos + azx_dev->core.period_bytes;
810 if (bound_pos >= azx_dev->core.bufsize)
814 /* Calculate real DMA position we want */
815 return bound_pos + mod_dma_pos;
819 static DEFINE_MUTEX(card_list_lock);
820 static LIST_HEAD(card_list);
822 static void azx_add_card_list(struct azx *chip)
824 struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
825 mutex_lock(&card_list_lock);
826 list_add(&hda->list, &card_list);
827 mutex_unlock(&card_list_lock);
830 static void azx_del_card_list(struct azx *chip)
832 struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
833 mutex_lock(&card_list_lock);
834 list_del_init(&hda->list);
835 mutex_unlock(&card_list_lock);
838 /* trigger power-save check at writing parameter */
839 static int param_set_xint(const char *val, const struct kernel_param *kp)
841 struct hda_intel *hda;
843 int prev = power_save;
844 int ret = param_set_int(val, kp);
846 if (ret || prev == power_save)
849 mutex_lock(&card_list_lock);
850 list_for_each_entry(hda, &card_list, list) {
852 if (!hda->probe_continued || chip->disabled)
854 snd_hda_set_power_save(&chip->bus, power_save * 1000);
856 mutex_unlock(&card_list_lock);
860 #define azx_add_card_list(chip) /* NOP */
861 #define azx_del_card_list(chip) /* NOP */
862 #endif /* CONFIG_PM */
864 #if defined(CONFIG_PM_SLEEP) || defined(SUPPORT_VGA_SWITCHEROO)
868 static int azx_suspend(struct device *dev)
870 struct snd_card *card = dev_get_drvdata(dev);
872 struct hda_intel *hda;
873 struct hdac_bus *bus;
878 chip = card->private_data;
879 hda = container_of(chip, struct hda_intel, chip);
880 if (chip->disabled || hda->init_failed || !chip->running)
884 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
885 azx_clear_irq_pending(chip);
887 azx_enter_link_reset(chip);
889 free_irq(bus->irq, chip);
894 pci_disable_msi(chip->pci);
895 if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL
896 && hda->need_i915_power)
897 snd_hdac_display_power(bus, false);
899 trace_azx_suspend(chip);
903 static int azx_resume(struct device *dev)
905 struct pci_dev *pci = to_pci_dev(dev);
906 struct snd_card *card = dev_get_drvdata(dev);
908 struct hda_intel *hda;
909 struct hdac_bus *bus;
914 chip = card->private_data;
915 hda = container_of(chip, struct hda_intel, chip);
917 if (chip->disabled || hda->init_failed || !chip->running)
920 if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) {
921 snd_hdac_display_power(bus, true);
922 if (hda->need_i915_power)
923 snd_hdac_i915_set_bclk(bus);
927 if (pci_enable_msi(pci) < 0)
929 if (azx_acquire_irq(chip, 1) < 0)
933 hda_intel_init_chip(chip, true);
935 /* power down again for link-controlled chips */
936 if ((chip->driver_caps & AZX_DCAPS_I915_POWERWELL) &&
937 !hda->need_i915_power)
938 snd_hdac_display_power(bus, false);
940 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
942 trace_azx_resume(chip);
945 #endif /* CONFIG_PM_SLEEP || SUPPORT_VGA_SWITCHEROO */
947 #ifdef CONFIG_PM_SLEEP
948 /* put codec down to D3 at hibernation for Intel SKL+;
949 * otherwise BIOS may still access the codec and screw up the driver
951 static int azx_freeze_noirq(struct device *dev)
953 struct pci_dev *pci = to_pci_dev(dev);
955 if (IS_SKL_PLUS(pci))
956 pci_set_power_state(pci, PCI_D3hot);
961 static int azx_thaw_noirq(struct device *dev)
963 struct pci_dev *pci = to_pci_dev(dev);
965 if (IS_SKL_PLUS(pci))
966 pci_set_power_state(pci, PCI_D0);
970 #endif /* CONFIG_PM_SLEEP */
973 static int azx_runtime_suspend(struct device *dev)
975 struct snd_card *card = dev_get_drvdata(dev);
977 struct hda_intel *hda;
982 chip = card->private_data;
983 hda = container_of(chip, struct hda_intel, chip);
984 if (chip->disabled || hda->init_failed)
987 if (!azx_has_pm_runtime(chip))
990 /* enable controller wake up event */
991 azx_writew(chip, WAKEEN, azx_readw(chip, WAKEEN) |
995 azx_enter_link_reset(chip);
996 azx_clear_irq_pending(chip);
997 if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL
998 && hda->need_i915_power)
999 snd_hdac_display_power(azx_bus(chip), false);
1001 trace_azx_runtime_suspend(chip);
1005 static int azx_runtime_resume(struct device *dev)
1007 struct snd_card *card = dev_get_drvdata(dev);
1009 struct hda_intel *hda;
1010 struct hdac_bus *bus;
1011 struct hda_codec *codec;
1017 chip = card->private_data;
1018 hda = container_of(chip, struct hda_intel, chip);
1019 bus = azx_bus(chip);
1020 if (chip->disabled || hda->init_failed)
1023 if (!azx_has_pm_runtime(chip))
1026 if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) {
1027 snd_hdac_display_power(bus, true);
1028 if (hda->need_i915_power)
1029 snd_hdac_i915_set_bclk(bus);
1032 /* Read STATESTS before controller reset */
1033 status = azx_readw(chip, STATESTS);
1036 hda_intel_init_chip(chip, true);
1039 list_for_each_codec(codec, &chip->bus)
1040 if (status & (1 << codec->addr))
1041 schedule_delayed_work(&codec->jackpoll_work,
1042 codec->jackpoll_interval);
1045 /* disable controller Wake Up event*/
1046 azx_writew(chip, WAKEEN, azx_readw(chip, WAKEEN) &
1047 ~STATESTS_INT_MASK);
1049 /* power down again for link-controlled chips */
1050 if ((chip->driver_caps & AZX_DCAPS_I915_POWERWELL) &&
1051 !hda->need_i915_power)
1052 snd_hdac_display_power(bus, false);
1054 trace_azx_runtime_resume(chip);
1058 static int azx_runtime_idle(struct device *dev)
1060 struct snd_card *card = dev_get_drvdata(dev);
1062 struct hda_intel *hda;
1067 chip = card->private_data;
1068 hda = container_of(chip, struct hda_intel, chip);
1069 if (chip->disabled || hda->init_failed)
1072 if (!power_save_controller || !azx_has_pm_runtime(chip) ||
1073 azx_bus(chip)->codec_powered || !chip->running)
1079 static const struct dev_pm_ops azx_pm = {
1080 SET_SYSTEM_SLEEP_PM_OPS(azx_suspend, azx_resume)
1081 #ifdef CONFIG_PM_SLEEP
1082 .freeze_noirq = azx_freeze_noirq,
1083 .thaw_noirq = azx_thaw_noirq,
1085 SET_RUNTIME_PM_OPS(azx_runtime_suspend, azx_runtime_resume, azx_runtime_idle)
1088 #define AZX_PM_OPS &azx_pm
1090 #define AZX_PM_OPS NULL
1091 #endif /* CONFIG_PM */
1094 static int azx_probe_continue(struct azx *chip);
1096 #ifdef SUPPORT_VGA_SWITCHEROO
1097 static struct pci_dev *get_bound_vga(struct pci_dev *pci);
1099 static void azx_vs_set_state(struct pci_dev *pci,
1100 enum vga_switcheroo_state state)
1102 struct snd_card *card = pci_get_drvdata(pci);
1103 struct azx *chip = card->private_data;
1104 struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1107 wait_for_completion(&hda->probe_wait);
1108 if (hda->init_failed)
1111 disabled = (state == VGA_SWITCHEROO_OFF);
1112 if (chip->disabled == disabled)
1115 if (!hda->probe_continued) {
1116 chip->disabled = disabled;
1118 dev_info(chip->card->dev,
1119 "Start delayed initialization\n");
1120 if (azx_probe_continue(chip) < 0) {
1121 dev_err(chip->card->dev, "initialization error\n");
1122 hda->init_failed = true;
1126 dev_info(chip->card->dev, "%s via vga_switcheroo\n",
1127 disabled ? "Disabling" : "Enabling");
1129 pm_runtime_put_sync_suspend(card->dev);
1130 azx_suspend(card->dev);
1131 /* when we get suspended by vga_switcheroo we end up in D3cold,
1132 * however we have no ACPI handle, so pci/acpi can't put us there,
1133 * put ourselves there */
1134 pci->current_state = PCI_D3cold;
1135 chip->disabled = true;
1136 if (snd_hda_lock_devices(&chip->bus))
1137 dev_warn(chip->card->dev,
1138 "Cannot lock devices!\n");
1140 snd_hda_unlock_devices(&chip->bus);
1141 pm_runtime_get_noresume(card->dev);
1142 chip->disabled = false;
1143 azx_resume(card->dev);
1148 static bool azx_vs_can_switch(struct pci_dev *pci)
1150 struct snd_card *card = pci_get_drvdata(pci);
1151 struct azx *chip = card->private_data;
1152 struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1154 wait_for_completion(&hda->probe_wait);
1155 if (hda->init_failed)
1157 if (chip->disabled || !hda->probe_continued)
1159 if (snd_hda_lock_devices(&chip->bus))
1161 snd_hda_unlock_devices(&chip->bus);
1165 static void init_vga_switcheroo(struct azx *chip)
1167 struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1168 struct pci_dev *p = get_bound_vga(chip->pci);
1170 dev_info(chip->card->dev,
1171 "Handle vga_switcheroo audio client\n");
1172 hda->use_vga_switcheroo = 1;
1177 static const struct vga_switcheroo_client_ops azx_vs_ops = {
1178 .set_gpu_state = azx_vs_set_state,
1179 .can_switch = azx_vs_can_switch,
1182 static int register_vga_switcheroo(struct azx *chip)
1184 struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1187 if (!hda->use_vga_switcheroo)
1189 /* FIXME: currently only handling DIS controller
1190 * is there any machine with two switchable HDMI audio controllers?
1192 err = vga_switcheroo_register_audio_client(chip->pci, &azx_vs_ops,
1193 VGA_SWITCHEROO_DIS);
1196 hda->vga_switcheroo_registered = 1;
1198 /* register as an optimus hdmi audio power domain */
1199 vga_switcheroo_init_domain_pm_optimus_hdmi_audio(chip->card->dev,
1200 &hda->hdmi_pm_domain);
1204 #define init_vga_switcheroo(chip) /* NOP */
1205 #define register_vga_switcheroo(chip) 0
1206 #define check_hdmi_disabled(pci) false
1207 #endif /* SUPPORT_VGA_SWITCHER */
1212 static int azx_free(struct azx *chip)
1214 struct pci_dev *pci = chip->pci;
1215 struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
1216 struct hdac_bus *bus = azx_bus(chip);
1218 if (azx_has_pm_runtime(chip) && chip->running)
1219 pm_runtime_get_noresume(&pci->dev);
1221 azx_del_card_list(chip);
1223 hda->init_failed = 1; /* to be sure */
1224 complete_all(&hda->probe_wait);
1226 if (use_vga_switcheroo(hda)) {
1227 if (chip->disabled && hda->probe_continued)
1228 snd_hda_unlock_devices(&chip->bus);
1229 if (hda->vga_switcheroo_registered) {
1230 vga_switcheroo_unregister_client(chip->pci);
1231 vga_switcheroo_fini_domain_pm_ops(chip->card->dev);
1235 if (bus->chip_init) {
1236 azx_clear_irq_pending(chip);
1237 azx_stop_all_streams(chip);
1238 azx_stop_chip(chip);
1242 free_irq(bus->irq, (void*)chip);
1244 pci_disable_msi(chip->pci);
1245 iounmap(bus->remap_addr);
1247 azx_free_stream_pages(chip);
1248 azx_free_streams(chip);
1249 snd_hdac_bus_exit(bus);
1251 if (chip->region_requested)
1252 pci_release_regions(chip->pci);
1254 pci_disable_device(chip->pci);
1255 #ifdef CONFIG_SND_HDA_PATCH_LOADER
1256 release_firmware(chip->fw);
1259 if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) {
1260 if (hda->need_i915_power)
1261 snd_hdac_display_power(bus, false);
1262 snd_hdac_i915_exit(bus);
1269 static int azx_dev_disconnect(struct snd_device *device)
1271 struct azx *chip = device->device_data;
1273 chip->bus.shutdown = 1;
1277 static int azx_dev_free(struct snd_device *device)
1279 return azx_free(device->device_data);
1282 #ifdef SUPPORT_VGA_SWITCHEROO
1284 * Check of disabled HDMI controller by vga_switcheroo
1286 static struct pci_dev *get_bound_vga(struct pci_dev *pci)
1290 /* check only discrete GPU */
1291 switch (pci->vendor) {
1292 case PCI_VENDOR_ID_ATI:
1293 case PCI_VENDOR_ID_AMD:
1294 case PCI_VENDOR_ID_NVIDIA:
1295 if (pci->devfn == 1) {
1296 p = pci_get_domain_bus_and_slot(pci_domain_nr(pci->bus),
1297 pci->bus->number, 0);
1299 if ((p->class >> 8) == PCI_CLASS_DISPLAY_VGA)
1309 static bool check_hdmi_disabled(struct pci_dev *pci)
1311 bool vga_inactive = false;
1312 struct pci_dev *p = get_bound_vga(pci);
1315 if (vga_switcheroo_get_client_state(p) == VGA_SWITCHEROO_OFF)
1316 vga_inactive = true;
1319 return vga_inactive;
1321 #endif /* SUPPORT_VGA_SWITCHEROO */
1324 * white/black-listing for position_fix
1326 static struct snd_pci_quirk position_fix_list[] = {
1327 SND_PCI_QUIRK(0x1028, 0x01cc, "Dell D820", POS_FIX_LPIB),
1328 SND_PCI_QUIRK(0x1028, 0x01de, "Dell Precision 390", POS_FIX_LPIB),
1329 SND_PCI_QUIRK(0x103c, 0x306d, "HP dv3", POS_FIX_LPIB),
1330 SND_PCI_QUIRK(0x1043, 0x813d, "ASUS P5AD2", POS_FIX_LPIB),
1331 SND_PCI_QUIRK(0x1043, 0x81b3, "ASUS", POS_FIX_LPIB),
1332 SND_PCI_QUIRK(0x1043, 0x81e7, "ASUS M2V", POS_FIX_LPIB),
1333 SND_PCI_QUIRK(0x104d, 0x9069, "Sony VPCS11V9E", POS_FIX_LPIB),
1334 SND_PCI_QUIRK(0x10de, 0xcb89, "Macbook Pro 7,1", POS_FIX_LPIB),
1335 SND_PCI_QUIRK(0x1297, 0x3166, "Shuttle", POS_FIX_LPIB),
1336 SND_PCI_QUIRK(0x1458, 0xa022, "ga-ma770-ud3", POS_FIX_LPIB),
1337 SND_PCI_QUIRK(0x1462, 0x1002, "MSI Wind U115", POS_FIX_LPIB),
1338 SND_PCI_QUIRK(0x1565, 0x8218, "Biostar Microtech", POS_FIX_LPIB),
1339 SND_PCI_QUIRK(0x1849, 0x0888, "775Dual-VSTA", POS_FIX_LPIB),
1340 SND_PCI_QUIRK(0x8086, 0x2503, "DG965OT AAD63733-203", POS_FIX_LPIB),
1344 static int check_position_fix(struct azx *chip, int fix)
1346 const struct snd_pci_quirk *q;
1351 case POS_FIX_POSBUF:
1352 case POS_FIX_VIACOMBO:
1357 q = snd_pci_quirk_lookup(chip->pci, position_fix_list);
1359 dev_info(chip->card->dev,
1360 "position_fix set to %d for device %04x:%04x\n",
1361 q->value, q->subvendor, q->subdevice);
1365 /* Check VIA/ATI HD Audio Controller exist */
1366 if (chip->driver_type == AZX_DRIVER_VIA) {
1367 dev_dbg(chip->card->dev, "Using VIACOMBO position fix\n");
1368 return POS_FIX_VIACOMBO;
1370 if (chip->driver_caps & AZX_DCAPS_POSFIX_LPIB) {
1371 dev_dbg(chip->card->dev, "Using LPIB position fix\n");
1372 return POS_FIX_LPIB;
1374 return POS_FIX_AUTO;
1377 static void assign_position_fix(struct azx *chip, int fix)
1379 static azx_get_pos_callback_t callbacks[] = {
1380 [POS_FIX_AUTO] = NULL,
1381 [POS_FIX_LPIB] = azx_get_pos_lpib,
1382 [POS_FIX_POSBUF] = azx_get_pos_posbuf,
1383 [POS_FIX_VIACOMBO] = azx_via_get_position,
1384 [POS_FIX_COMBO] = azx_get_pos_lpib,
1387 chip->get_position[0] = chip->get_position[1] = callbacks[fix];
1389 /* combo mode uses LPIB only for playback */
1390 if (fix == POS_FIX_COMBO)
1391 chip->get_position[1] = NULL;
1393 if (fix == POS_FIX_POSBUF &&
1394 (chip->driver_caps & AZX_DCAPS_COUNT_LPIB_DELAY)) {
1395 chip->get_delay[0] = chip->get_delay[1] =
1396 azx_get_delay_from_lpib;
1402 * black-lists for probe_mask
1404 static struct snd_pci_quirk probe_mask_list[] = {
1405 /* Thinkpad often breaks the controller communication when accessing
1406 * to the non-working (or non-existing) modem codec slot.
1408 SND_PCI_QUIRK(0x1014, 0x05b7, "Thinkpad Z60", 0x01),
1409 SND_PCI_QUIRK(0x17aa, 0x2010, "Thinkpad X/T/R60", 0x01),
1410 SND_PCI_QUIRK(0x17aa, 0x20ac, "Thinkpad X/T/R61", 0x01),
1412 SND_PCI_QUIRK(0x1028, 0x20ac, "Dell Studio Desktop", 0x01),
1413 /* including bogus ALC268 in slot#2 that conflicts with ALC888 */
1414 SND_PCI_QUIRK(0x17c0, 0x4085, "Medion MD96630", 0x01),
1415 /* forced codec slots */
1416 SND_PCI_QUIRK(0x1043, 0x1262, "ASUS W5Fm", 0x103),
1417 SND_PCI_QUIRK(0x1046, 0x1262, "ASUS W5F", 0x103),
1418 /* WinFast VP200 H (Teradici) user reported broken communication */
1419 SND_PCI_QUIRK(0x3a21, 0x040d, "WinFast VP200 H", 0x101),
1423 #define AZX_FORCE_CODEC_MASK 0x100
1425 static void check_probe_mask(struct azx *chip, int dev)
1427 const struct snd_pci_quirk *q;
1429 chip->codec_probe_mask = probe_mask[dev];
1430 if (chip->codec_probe_mask == -1) {
1431 q = snd_pci_quirk_lookup(chip->pci, probe_mask_list);
1433 dev_info(chip->card->dev,
1434 "probe_mask set to 0x%x for device %04x:%04x\n",
1435 q->value, q->subvendor, q->subdevice);
1436 chip->codec_probe_mask = q->value;
1440 /* check forced option */
1441 if (chip->codec_probe_mask != -1 &&
1442 (chip->codec_probe_mask & AZX_FORCE_CODEC_MASK)) {
1443 azx_bus(chip)->codec_mask = chip->codec_probe_mask & 0xff;
1444 dev_info(chip->card->dev, "codec_mask forced to 0x%x\n",
1445 (int)azx_bus(chip)->codec_mask);
1450 * white/black-list for enable_msi
1452 static struct snd_pci_quirk msi_black_list[] = {
1453 SND_PCI_QUIRK(0x103c, 0x2191, "HP", 0), /* AMD Hudson */
1454 SND_PCI_QUIRK(0x103c, 0x2192, "HP", 0), /* AMD Hudson */
1455 SND_PCI_QUIRK(0x103c, 0x21f7, "HP", 0), /* AMD Hudson */
1456 SND_PCI_QUIRK(0x103c, 0x21fa, "HP", 0), /* AMD Hudson */
1457 SND_PCI_QUIRK(0x1043, 0x81f2, "ASUS", 0), /* Athlon64 X2 + nvidia */
1458 SND_PCI_QUIRK(0x1043, 0x81f6, "ASUS", 0), /* nvidia */
1459 SND_PCI_QUIRK(0x1043, 0x822d, "ASUS", 0), /* Athlon64 X2 + nvidia MCP55 */
1460 SND_PCI_QUIRK(0x1179, 0xfb44, "Toshiba Satellite C870", 0), /* AMD Hudson */
1461 SND_PCI_QUIRK(0x1849, 0x0888, "ASRock", 0), /* Athlon64 X2 + nvidia */
1462 SND_PCI_QUIRK(0xa0a0, 0x0575, "Aopen MZ915-M", 0), /* ICH6 */
1466 static void check_msi(struct azx *chip)
1468 const struct snd_pci_quirk *q;
1470 if (enable_msi >= 0) {
1471 chip->msi = !!enable_msi;
1474 chip->msi = 1; /* enable MSI as default */
1475 q = snd_pci_quirk_lookup(chip->pci, msi_black_list);
1477 dev_info(chip->card->dev,
1478 "msi for device %04x:%04x set to %d\n",
1479 q->subvendor, q->subdevice, q->value);
1480 chip->msi = q->value;
1484 /* NVidia chipsets seem to cause troubles with MSI */
1485 if (chip->driver_caps & AZX_DCAPS_NO_MSI) {
1486 dev_info(chip->card->dev, "Disabling MSI\n");
1491 /* check the snoop mode availability */
1492 static void azx_check_snoop_available(struct azx *chip)
1494 int snoop = hda_snoop;
1497 dev_info(chip->card->dev, "Force to %s mode by module option\n",
1498 snoop ? "snoop" : "non-snoop");
1499 chip->snoop = snoop;
1504 if (azx_get_snoop_type(chip) == AZX_SNOOP_TYPE_NONE &&
1505 chip->driver_type == AZX_DRIVER_VIA) {
1506 /* force to non-snoop mode for a new VIA controller
1510 pci_read_config_byte(chip->pci, 0x42, &val);
1511 if (!(val & 0x80) && chip->pci->revision == 0x30)
1515 if (chip->driver_caps & AZX_DCAPS_SNOOP_OFF)
1518 chip->snoop = snoop;
1520 dev_info(chip->card->dev, "Force to non-snoop mode\n");
1523 static void azx_probe_work(struct work_struct *work)
1525 struct hda_intel *hda = container_of(work, struct hda_intel, probe_work);
1526 azx_probe_continue(&hda->chip);
1529 static int default_bdl_pos_adj(struct azx *chip)
1531 /* some exceptions: Atoms seem problematic with value 1 */
1532 if (chip->pci->vendor == PCI_VENDOR_ID_INTEL) {
1533 switch (chip->pci->device) {
1534 case 0x0f04: /* Baytrail */
1535 case 0x2284: /* Braswell */
1540 switch (chip->driver_type) {
1541 case AZX_DRIVER_ICH:
1542 case AZX_DRIVER_PCH:
1552 static const struct hdac_io_ops pci_hda_io_ops;
1553 static const struct hda_controller_ops pci_hda_ops;
1555 static int azx_create(struct snd_card *card, struct pci_dev *pci,
1556 int dev, unsigned int driver_caps,
1559 static struct snd_device_ops ops = {
1560 .dev_disconnect = azx_dev_disconnect,
1561 .dev_free = azx_dev_free,
1563 struct hda_intel *hda;
1569 err = pci_enable_device(pci);
1573 hda = kzalloc(sizeof(*hda), GFP_KERNEL);
1575 pci_disable_device(pci);
1580 mutex_init(&chip->open_mutex);
1583 chip->ops = &pci_hda_ops;
1584 chip->driver_caps = driver_caps;
1585 chip->driver_type = driver_caps & 0xff;
1587 chip->dev_index = dev;
1588 chip->jackpoll_ms = jackpoll_ms;
1589 INIT_LIST_HEAD(&chip->pcm_list);
1590 INIT_WORK(&hda->irq_pending_work, azx_irq_pending_work);
1591 INIT_LIST_HEAD(&hda->list);
1592 init_vga_switcheroo(chip);
1593 init_completion(&hda->probe_wait);
1595 assign_position_fix(chip, check_position_fix(chip, position_fix[dev]));
1597 check_probe_mask(chip, dev);
1599 if (single_cmd < 0) /* allow fallback to single_cmd at errors */
1600 chip->fallback_to_single_cmd = 1;
1601 else /* explicitly set to single_cmd or not */
1602 chip->single_cmd = single_cmd;
1604 azx_check_snoop_available(chip);
1606 if (bdl_pos_adj[dev] < 0)
1607 chip->bdl_pos_adj = default_bdl_pos_adj(chip);
1609 chip->bdl_pos_adj = bdl_pos_adj[dev];
1611 err = azx_bus_init(chip, model[dev], &pci_hda_io_ops);
1614 pci_disable_device(pci);
1618 if (chip->driver_type == AZX_DRIVER_NVIDIA) {
1619 dev_dbg(chip->card->dev, "Enable delay in RIRB handling\n");
1620 chip->bus.needs_damn_long_delay = 1;
1623 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
1625 dev_err(card->dev, "Error creating device [card]!\n");
1630 /* continue probing in work context as may trigger request module */
1631 INIT_WORK(&hda->probe_work, azx_probe_work);
1638 static int azx_first_init(struct azx *chip)
1640 int dev = chip->dev_index;
1641 struct pci_dev *pci = chip->pci;
1642 struct snd_card *card = chip->card;
1643 struct hdac_bus *bus = azx_bus(chip);
1645 unsigned short gcap;
1646 unsigned int dma_bits = 64;
1648 #if BITS_PER_LONG != 64
1649 /* Fix up base address on ULI M5461 */
1650 if (chip->driver_type == AZX_DRIVER_ULI) {
1652 pci_read_config_word(pci, 0x40, &tmp3);
1653 pci_write_config_word(pci, 0x40, tmp3 | 0x10);
1654 pci_write_config_dword(pci, PCI_BASE_ADDRESS_1, 0);
1658 err = pci_request_regions(pci, "ICH HD audio");
1661 chip->region_requested = 1;
1663 bus->addr = pci_resource_start(pci, 0);
1664 bus->remap_addr = pci_ioremap_bar(pci, 0);
1665 if (bus->remap_addr == NULL) {
1666 dev_err(card->dev, "ioremap error\n");
1670 if (IS_SKL_PLUS(pci))
1671 snd_hdac_bus_parse_capabilities(bus);
1674 * Some Intel CPUs has always running timer (ART) feature and
1675 * controller may have Global time sync reporting capability, so
1676 * check both of these before declaring synchronized time reporting
1677 * capability SNDRV_PCM_INFO_HAS_LINK_SYNCHRONIZED_ATIME
1679 chip->gts_present = false;
1682 if (bus->ppcap && boot_cpu_has(X86_FEATURE_ART))
1683 chip->gts_present = true;
1687 if (chip->driver_caps & AZX_DCAPS_NO_MSI64) {
1688 dev_dbg(card->dev, "Disabling 64bit MSI\n");
1689 pci->no_64bit_msi = true;
1691 if (pci_enable_msi(pci) < 0)
1695 if (azx_acquire_irq(chip, 0) < 0)
1698 pci_set_master(pci);
1699 synchronize_irq(bus->irq);
1701 gcap = azx_readw(chip, GCAP);
1702 dev_dbg(card->dev, "chipset global capabilities = 0x%x\n", gcap);
1704 /* AMD devices support 40 or 48bit DMA, take the safe one */
1705 if (chip->pci->vendor == PCI_VENDOR_ID_AMD)
1708 /* disable SB600 64bit support for safety */
1709 if (chip->pci->vendor == PCI_VENDOR_ID_ATI) {
1710 struct pci_dev *p_smbus;
1712 p_smbus = pci_get_device(PCI_VENDOR_ID_ATI,
1713 PCI_DEVICE_ID_ATI_SBX00_SMBUS,
1716 if (p_smbus->revision < 0x30)
1717 gcap &= ~AZX_GCAP_64OK;
1718 pci_dev_put(p_smbus);
1722 /* NVidia hardware normally only supports up to 40 bits of DMA */
1723 if (chip->pci->vendor == PCI_VENDOR_ID_NVIDIA)
1726 /* disable 64bit DMA address on some devices */
1727 if (chip->driver_caps & AZX_DCAPS_NO_64BIT) {
1728 dev_dbg(card->dev, "Disabling 64bit DMA\n");
1729 gcap &= ~AZX_GCAP_64OK;
1732 /* disable buffer size rounding to 128-byte multiples if supported */
1733 if (align_buffer_size >= 0)
1734 chip->align_buffer_size = !!align_buffer_size;
1736 if (chip->driver_caps & AZX_DCAPS_NO_ALIGN_BUFSIZE)
1737 chip->align_buffer_size = 0;
1739 chip->align_buffer_size = 1;
1742 /* allow 64bit DMA address if supported by H/W */
1743 if (!(gcap & AZX_GCAP_64OK))
1745 if (!dma_set_mask(&pci->dev, DMA_BIT_MASK(dma_bits))) {
1746 dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(dma_bits));
1748 dma_set_mask(&pci->dev, DMA_BIT_MASK(32));
1749 dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(32));
1752 /* read number of streams from GCAP register instead of using
1755 chip->capture_streams = (gcap >> 8) & 0x0f;
1756 chip->playback_streams = (gcap >> 12) & 0x0f;
1757 if (!chip->playback_streams && !chip->capture_streams) {
1758 /* gcap didn't give any info, switching to old method */
1760 switch (chip->driver_type) {
1761 case AZX_DRIVER_ULI:
1762 chip->playback_streams = ULI_NUM_PLAYBACK;
1763 chip->capture_streams = ULI_NUM_CAPTURE;
1765 case AZX_DRIVER_ATIHDMI:
1766 case AZX_DRIVER_ATIHDMI_NS:
1767 chip->playback_streams = ATIHDMI_NUM_PLAYBACK;
1768 chip->capture_streams = ATIHDMI_NUM_CAPTURE;
1770 case AZX_DRIVER_GENERIC:
1772 chip->playback_streams = ICH6_NUM_PLAYBACK;
1773 chip->capture_streams = ICH6_NUM_CAPTURE;
1777 chip->capture_index_offset = 0;
1778 chip->playback_index_offset = chip->capture_streams;
1779 chip->num_streams = chip->playback_streams + chip->capture_streams;
1781 /* sanity check for the SDxCTL.STRM field overflow */
1782 if (chip->num_streams > 15 &&
1783 (chip->driver_caps & AZX_DCAPS_SEPARATE_STREAM_TAG) == 0) {
1784 dev_warn(chip->card->dev, "number of I/O streams is %d, "
1785 "forcing separate stream tags", chip->num_streams);
1786 chip->driver_caps |= AZX_DCAPS_SEPARATE_STREAM_TAG;
1789 /* initialize streams */
1790 err = azx_init_streams(chip);
1794 err = azx_alloc_stream_pages(chip);
1798 /* initialize chip */
1801 if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL)
1802 snd_hdac_i915_set_bclk(bus);
1804 hda_intel_init_chip(chip, (probe_only[dev] & 2) == 0);
1806 /* codec detection */
1807 if (!azx_bus(chip)->codec_mask) {
1808 dev_err(card->dev, "no codecs found!\n");
1812 strcpy(card->driver, "HDA-Intel");
1813 strlcpy(card->shortname, driver_short_names[chip->driver_type],
1814 sizeof(card->shortname));
1815 snprintf(card->longname, sizeof(card->longname),
1816 "%s at 0x%lx irq %i",
1817 card->shortname, bus->addr, bus->irq);
1822 #ifdef CONFIG_SND_HDA_PATCH_LOADER
1823 /* callback from request_firmware_nowait() */
1824 static void azx_firmware_cb(const struct firmware *fw, void *context)
1826 struct snd_card *card = context;
1827 struct azx *chip = card->private_data;
1828 struct pci_dev *pci = chip->pci;
1831 dev_err(card->dev, "Cannot load firmware, aborting\n");
1836 if (!chip->disabled) {
1837 /* continue probing */
1838 if (azx_probe_continue(chip))
1844 snd_card_free(card);
1845 pci_set_drvdata(pci, NULL);
1850 * HDA controller ops.
1853 /* PCI register access. */
1854 static void pci_azx_writel(u32 value, u32 __iomem *addr)
1856 writel(value, addr);
1859 static u32 pci_azx_readl(u32 __iomem *addr)
1864 static void pci_azx_writew(u16 value, u16 __iomem *addr)
1866 writew(value, addr);
1869 static u16 pci_azx_readw(u16 __iomem *addr)
1874 static void pci_azx_writeb(u8 value, u8 __iomem *addr)
1876 writeb(value, addr);
1879 static u8 pci_azx_readb(u8 __iomem *addr)
1884 static int disable_msi_reset_irq(struct azx *chip)
1886 struct hdac_bus *bus = azx_bus(chip);
1889 free_irq(bus->irq, chip);
1891 pci_disable_msi(chip->pci);
1893 err = azx_acquire_irq(chip, 1);
1900 /* DMA page allocation helpers. */
1901 static int dma_alloc_pages(struct hdac_bus *bus,
1904 struct snd_dma_buffer *buf)
1906 struct azx *chip = bus_to_azx(bus);
1909 err = snd_dma_alloc_pages(type,
1914 mark_pages_wc(chip, buf, true);
1918 static void dma_free_pages(struct hdac_bus *bus, struct snd_dma_buffer *buf)
1920 struct azx *chip = bus_to_azx(bus);
1922 mark_pages_wc(chip, buf, false);
1923 snd_dma_free_pages(buf);
1926 static int substream_alloc_pages(struct azx *chip,
1927 struct snd_pcm_substream *substream,
1930 struct azx_dev *azx_dev = get_azx_dev(substream);
1933 mark_runtime_wc(chip, azx_dev, substream, false);
1934 ret = snd_pcm_lib_malloc_pages(substream, size);
1937 mark_runtime_wc(chip, azx_dev, substream, true);
1941 static int substream_free_pages(struct azx *chip,
1942 struct snd_pcm_substream *substream)
1944 struct azx_dev *azx_dev = get_azx_dev(substream);
1945 mark_runtime_wc(chip, azx_dev, substream, false);
1946 return snd_pcm_lib_free_pages(substream);
1949 static void pcm_mmap_prepare(struct snd_pcm_substream *substream,
1950 struct vm_area_struct *area)
1953 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1954 struct azx *chip = apcm->chip;
1955 if (!azx_snoop(chip) && chip->driver_type != AZX_DRIVER_CMEDIA)
1956 area->vm_page_prot = pgprot_writecombine(area->vm_page_prot);
1960 static const struct hdac_io_ops pci_hda_io_ops = {
1961 .reg_writel = pci_azx_writel,
1962 .reg_readl = pci_azx_readl,
1963 .reg_writew = pci_azx_writew,
1964 .reg_readw = pci_azx_readw,
1965 .reg_writeb = pci_azx_writeb,
1966 .reg_readb = pci_azx_readb,
1967 .dma_alloc_pages = dma_alloc_pages,
1968 .dma_free_pages = dma_free_pages,
1971 static const struct hda_controller_ops pci_hda_ops = {
1972 .disable_msi_reset_irq = disable_msi_reset_irq,
1973 .substream_alloc_pages = substream_alloc_pages,
1974 .substream_free_pages = substream_free_pages,
1975 .pcm_mmap_prepare = pcm_mmap_prepare,
1976 .position_check = azx_position_check,
1977 .link_power = azx_intel_link_power,
1980 static int azx_probe(struct pci_dev *pci,
1981 const struct pci_device_id *pci_id)
1984 struct snd_card *card;
1985 struct hda_intel *hda;
1987 bool schedule_probe;
1990 if (dev >= SNDRV_CARDS)
1997 err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2000 dev_err(&pci->dev, "Error creating card!\n");
2004 err = azx_create(card, pci, dev, pci_id->driver_data, &chip);
2007 card->private_data = chip;
2008 hda = container_of(chip, struct hda_intel, chip);
2010 pci_set_drvdata(pci, card);
2012 err = register_vga_switcheroo(chip);
2014 dev_err(card->dev, "Error registering vga_switcheroo client\n");
2018 if (check_hdmi_disabled(pci)) {
2019 dev_info(card->dev, "VGA controller is disabled\n");
2020 dev_info(card->dev, "Delaying initialization\n");
2021 chip->disabled = true;
2024 schedule_probe = !chip->disabled;
2026 #ifdef CONFIG_SND_HDA_PATCH_LOADER
2027 if (patch[dev] && *patch[dev]) {
2028 dev_info(card->dev, "Applying patch firmware '%s'\n",
2030 err = request_firmware_nowait(THIS_MODULE, true, patch[dev],
2031 &pci->dev, GFP_KERNEL, card,
2035 schedule_probe = false; /* continued in azx_firmware_cb() */
2037 #endif /* CONFIG_SND_HDA_PATCH_LOADER */
2039 #ifndef CONFIG_SND_HDA_I915
2040 if (CONTROLLER_IN_GPU(pci))
2041 dev_err(card->dev, "Haswell/Broadwell HDMI/DP must build in CONFIG_SND_HDA_I915\n");
2045 schedule_work(&hda->probe_work);
2049 complete_all(&hda->probe_wait);
2053 snd_card_free(card);
2057 /* number of codec slots for each chipset: 0 = default slots (i.e. 4) */
2058 static unsigned int azx_max_codecs[AZX_NUM_DRIVERS] = {
2059 [AZX_DRIVER_NVIDIA] = 8,
2060 [AZX_DRIVER_TERA] = 1,
2063 static int azx_probe_continue(struct azx *chip)
2065 struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
2066 struct hdac_bus *bus = azx_bus(chip);
2067 struct pci_dev *pci = chip->pci;
2068 int dev = chip->dev_index;
2071 hda->probe_continued = 1;
2073 /* Request display power well for the HDA controller or codec. For
2074 * Haswell/Broadwell, both the display HDA controller and codec need
2075 * this power. For other platforms, like Baytrail/Braswell, only the
2076 * display codec needs the power and it can be released after probe.
2078 if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) {
2079 /* HSW/BDW controllers need this power */
2080 if (CONTROLLER_IN_GPU(pci))
2081 hda->need_i915_power = 1;
2083 err = snd_hdac_i915_init(bus);
2085 /* if the controller is bound only with HDMI/DP
2086 * (for HSW and BDW), we need to abort the probe;
2087 * for other chips, still continue probing as other
2088 * codecs can be on the same link.
2090 if (CONTROLLER_IN_GPU(pci)) {
2091 dev_err(chip->card->dev,
2092 "HSW/BDW HD-audio HDMI/DP requires binding with gfx driver\n");
2098 err = snd_hdac_display_power(bus, true);
2100 dev_err(chip->card->dev,
2101 "Cannot turn on display power on i915\n");
2102 goto i915_power_fail;
2107 err = azx_first_init(chip);
2111 #ifdef CONFIG_SND_HDA_INPUT_BEEP
2112 chip->beep_mode = beep_mode[dev];
2115 /* create codec instances */
2116 err = azx_probe_codecs(chip, azx_max_codecs[chip->driver_type]);
2120 #ifdef CONFIG_SND_HDA_PATCH_LOADER
2122 err = snd_hda_load_patch(&chip->bus, chip->fw->size,
2127 release_firmware(chip->fw); /* no longer needed */
2132 if ((probe_only[dev] & 1) == 0) {
2133 err = azx_codec_configure(chip);
2138 err = snd_card_register(chip->card);
2143 azx_add_card_list(chip);
2144 snd_hda_set_power_save(&chip->bus, power_save * 1000);
2145 if (azx_has_pm_runtime(chip) || hda->use_vga_switcheroo)
2146 pm_runtime_put_autosuspend(&pci->dev);
2149 if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL
2150 && !hda->need_i915_power)
2151 snd_hdac_display_power(bus, false);
2155 hda->init_failed = 1;
2156 complete_all(&hda->probe_wait);
2160 static void azx_remove(struct pci_dev *pci)
2162 struct snd_card *card = pci_get_drvdata(pci);
2164 struct hda_intel *hda;
2167 /* cancel the pending probing work */
2168 chip = card->private_data;
2169 hda = container_of(chip, struct hda_intel, chip);
2170 /* FIXME: below is an ugly workaround.
2171 * Both device_release_driver() and driver_probe_device()
2172 * take *both* the device's and its parent's lock before
2173 * calling the remove() and probe() callbacks. The codec
2174 * probe takes the locks of both the codec itself and its
2175 * parent, i.e. the PCI controller dev. Meanwhile, when
2176 * the PCI controller is unbound, it takes its lock, too
2177 * ==> ouch, a deadlock!
2178 * As a workaround, we unlock temporarily here the controller
2179 * device during cancel_work_sync() call.
2181 device_unlock(&pci->dev);
2182 cancel_work_sync(&hda->probe_work);
2183 device_lock(&pci->dev);
2185 snd_card_free(card);
2189 static void azx_shutdown(struct pci_dev *pci)
2191 struct snd_card *card = pci_get_drvdata(pci);
2196 chip = card->private_data;
2197 if (chip && chip->running)
2198 azx_stop_chip(chip);
2202 static const struct pci_device_id azx_ids[] = {
2204 { PCI_DEVICE(0x8086, 0x1c20),
2205 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM },
2207 { PCI_DEVICE(0x8086, 0x1d20),
2208 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM },
2210 { PCI_DEVICE(0x8086, 0x1e20),
2211 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM },
2213 { PCI_DEVICE(0x8086, 0x8c20),
2214 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2216 { PCI_DEVICE(0x8086, 0x8ca0),
2217 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2219 { PCI_DEVICE(0x8086, 0x8d20),
2220 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2221 { PCI_DEVICE(0x8086, 0x8d21),
2222 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2224 { PCI_DEVICE(0x8086, 0xa1f0),
2225 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE },
2226 { PCI_DEVICE(0x8086, 0xa270),
2227 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE },
2229 { PCI_DEVICE(0x8086, 0x9c20),
2230 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2232 { PCI_DEVICE(0x8086, 0x9c21),
2233 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2234 /* Wildcat Point-LP */
2235 { PCI_DEVICE(0x8086, 0x9ca0),
2236 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
2238 { PCI_DEVICE(0x8086, 0xa170),
2239 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE },
2240 /* Sunrise Point-LP */
2241 { PCI_DEVICE(0x8086, 0x9d70),
2242 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE },
2244 { PCI_DEVICE(0x8086, 0xa171),
2245 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE },
2247 { PCI_DEVICE(0x8086, 0x9d71),
2248 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE },
2250 { PCI_DEVICE(0x8086, 0xa2f0),
2251 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE },
2252 /* Broxton-P(Apollolake) */
2253 { PCI_DEVICE(0x8086, 0x5a98),
2254 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BROXTON },
2256 { PCI_DEVICE(0x8086, 0x1a98),
2257 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BROXTON },
2259 { PCI_DEVICE(0x8086, 0x0a0c),
2260 .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL },
2261 { PCI_DEVICE(0x8086, 0x0c0c),
2262 .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL },
2263 { PCI_DEVICE(0x8086, 0x0d0c),
2264 .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL },
2266 { PCI_DEVICE(0x8086, 0x160c),
2267 .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_BROADWELL },
2269 { PCI_DEVICE(0x8086, 0x3b56),
2270 .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_NOPM },
2272 { PCI_DEVICE(0x8086, 0x811b),
2273 .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_BASE },
2275 { PCI_DEVICE(0x8086, 0x080a),
2276 .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_BASE },
2278 { PCI_DEVICE(0x8086, 0x0f04),
2279 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BAYTRAIL },
2281 { PCI_DEVICE(0x8086, 0x2284),
2282 .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BRASWELL },
2284 { PCI_DEVICE(0x8086, 0x2668),
2285 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2287 { PCI_DEVICE(0x8086, 0x27d8),
2288 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2290 { PCI_DEVICE(0x8086, 0x269a),
2291 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2293 { PCI_DEVICE(0x8086, 0x284b),
2294 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2296 { PCI_DEVICE(0x8086, 0x293e),
2297 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2299 { PCI_DEVICE(0x8086, 0x293f),
2300 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2302 { PCI_DEVICE(0x8086, 0x3a3e),
2303 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2305 { PCI_DEVICE(0x8086, 0x3a6e),
2306 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
2308 { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_ANY_ID),
2309 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2310 .class_mask = 0xffffff,
2311 .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_NO_ALIGN_BUFSIZE },
2312 /* ATI SB 450/600/700/800/900 */
2313 { PCI_DEVICE(0x1002, 0x437b),
2314 .driver_data = AZX_DRIVER_ATI | AZX_DCAPS_PRESET_ATI_SB },
2315 { PCI_DEVICE(0x1002, 0x4383),
2316 .driver_data = AZX_DRIVER_ATI | AZX_DCAPS_PRESET_ATI_SB },
2318 { PCI_DEVICE(0x1022, 0x780d),
2319 .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB },
2321 { PCI_DEVICE(0x1002, 0x0002),
2322 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2323 { PCI_DEVICE(0x1002, 0x1308),
2324 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2325 { PCI_DEVICE(0x1002, 0x157a),
2326 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2327 { PCI_DEVICE(0x1002, 0x15b3),
2328 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2329 { PCI_DEVICE(0x1002, 0x793b),
2330 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2331 { PCI_DEVICE(0x1002, 0x7919),
2332 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2333 { PCI_DEVICE(0x1002, 0x960f),
2334 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2335 { PCI_DEVICE(0x1002, 0x970f),
2336 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2337 { PCI_DEVICE(0x1002, 0x9840),
2338 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2339 { PCI_DEVICE(0x1002, 0xaa00),
2340 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2341 { PCI_DEVICE(0x1002, 0xaa08),
2342 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2343 { PCI_DEVICE(0x1002, 0xaa10),
2344 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2345 { PCI_DEVICE(0x1002, 0xaa18),
2346 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2347 { PCI_DEVICE(0x1002, 0xaa20),
2348 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2349 { PCI_DEVICE(0x1002, 0xaa28),
2350 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2351 { PCI_DEVICE(0x1002, 0xaa30),
2352 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2353 { PCI_DEVICE(0x1002, 0xaa38),
2354 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2355 { PCI_DEVICE(0x1002, 0xaa40),
2356 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2357 { PCI_DEVICE(0x1002, 0xaa48),
2358 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2359 { PCI_DEVICE(0x1002, 0xaa50),
2360 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2361 { PCI_DEVICE(0x1002, 0xaa58),
2362 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2363 { PCI_DEVICE(0x1002, 0xaa60),
2364 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2365 { PCI_DEVICE(0x1002, 0xaa68),
2366 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2367 { PCI_DEVICE(0x1002, 0xaa80),
2368 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2369 { PCI_DEVICE(0x1002, 0xaa88),
2370 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2371 { PCI_DEVICE(0x1002, 0xaa90),
2372 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2373 { PCI_DEVICE(0x1002, 0xaa98),
2374 .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
2375 { PCI_DEVICE(0x1002, 0x9902),
2376 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2377 { PCI_DEVICE(0x1002, 0xaaa0),
2378 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2379 { PCI_DEVICE(0x1002, 0xaaa8),
2380 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2381 { PCI_DEVICE(0x1002, 0xaab0),
2382 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2383 { PCI_DEVICE(0x1002, 0xaac0),
2384 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2385 { PCI_DEVICE(0x1002, 0xaac8),
2386 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2387 { PCI_DEVICE(0x1002, 0xaad8),
2388 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2389 { PCI_DEVICE(0x1002, 0xaae8),
2390 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2391 { PCI_DEVICE(0x1002, 0xaae0),
2392 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2393 { PCI_DEVICE(0x1002, 0xaaf0),
2394 .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
2395 /* VIA VT8251/VT8237A */
2396 { PCI_DEVICE(0x1106, 0x3288), .driver_data = AZX_DRIVER_VIA },
2397 /* VIA GFX VT7122/VX900 */
2398 { PCI_DEVICE(0x1106, 0x9170), .driver_data = AZX_DRIVER_GENERIC },
2399 /* VIA GFX VT6122/VX11 */
2400 { PCI_DEVICE(0x1106, 0x9140), .driver_data = AZX_DRIVER_GENERIC },
2402 { PCI_DEVICE(0x1039, 0x7502), .driver_data = AZX_DRIVER_SIS },
2404 { PCI_DEVICE(0x10b9, 0x5461), .driver_data = AZX_DRIVER_ULI },
2406 { PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
2407 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2408 .class_mask = 0xffffff,
2409 .driver_data = AZX_DRIVER_NVIDIA | AZX_DCAPS_PRESET_NVIDIA },
2411 { PCI_DEVICE(0x6549, 0x1200),
2412 .driver_data = AZX_DRIVER_TERA | AZX_DCAPS_NO_64BIT },
2413 { PCI_DEVICE(0x6549, 0x2200),
2414 .driver_data = AZX_DRIVER_TERA | AZX_DCAPS_NO_64BIT },
2415 /* Creative X-Fi (CA0110-IBG) */
2417 { PCI_DEVICE(0x1102, 0x0010),
2418 .driver_data = AZX_DRIVER_CTHDA | AZX_DCAPS_PRESET_CTHDA },
2419 { PCI_DEVICE(0x1102, 0x0012),
2420 .driver_data = AZX_DRIVER_CTHDA | AZX_DCAPS_PRESET_CTHDA },
2421 #if !IS_ENABLED(CONFIG_SND_CTXFI)
2422 /* the following entry conflicts with snd-ctxfi driver,
2423 * as ctxfi driver mutates from HD-audio to native mode with
2424 * a special command sequence.
2426 { PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_ANY_ID),
2427 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2428 .class_mask = 0xffffff,
2429 .driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND |
2430 AZX_DCAPS_NO_64BIT | AZX_DCAPS_POSFIX_LPIB },
2432 /* this entry seems still valid -- i.e. without emu20kx chip */
2433 { PCI_DEVICE(0x1102, 0x0009),
2434 .driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND |
2435 AZX_DCAPS_NO_64BIT | AZX_DCAPS_POSFIX_LPIB },
2438 { PCI_DEVICE(0x13f6, 0x5011),
2439 .driver_data = AZX_DRIVER_CMEDIA |
2440 AZX_DCAPS_NO_MSI | AZX_DCAPS_POSFIX_LPIB | AZX_DCAPS_SNOOP_OFF },
2442 { PCI_DEVICE(0x17f3, 0x3010), .driver_data = AZX_DRIVER_GENERIC },
2443 /* VMware HDAudio */
2444 { PCI_DEVICE(0x15ad, 0x1977), .driver_data = AZX_DRIVER_GENERIC },
2445 /* AMD/ATI Generic, PCI class code and Vendor ID for HD Audio */
2446 { PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_ANY_ID),
2447 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2448 .class_mask = 0xffffff,
2449 .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_HDMI },
2450 { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_ANY_ID),
2451 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2452 .class_mask = 0xffffff,
2453 .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_HDMI },
2456 MODULE_DEVICE_TABLE(pci, azx_ids);
2458 /* pci_driver definition */
2459 static struct pci_driver azx_driver = {
2460 .name = KBUILD_MODNAME,
2461 .id_table = azx_ids,
2463 .remove = azx_remove,
2464 .shutdown = azx_shutdown,
2470 module_pci_driver(azx_driver);