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>
58 #include <sound/core.h>
59 #include <sound/initval.h>
60 #include <sound/hdaudio.h>
61 #include <sound/hda_i915.h>
62 #include <linux/vgaarb.h>
63 #include <linux/vga_switcheroo.h>
64 #include <linux/firmware.h>
65 #include "hda_codec.h"
66 #include "hda_controller.h"
67 #include "hda_intel.h"
69 #define CREATE_TRACE_POINTS
70 #include "hda_intel_trace.h"
72 /* position fix mode */
81 /* Defines for ATI HD Audio support in SB450 south bridge */
82 #define ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR 0x42
83 #define ATI_SB450_HDAUDIO_ENABLE_SNOOP 0x02
85 /* Defines for Nvidia HDA support */
86 #define NVIDIA_HDA_TRANSREG_ADDR 0x4e
87 #define NVIDIA_HDA_ENABLE_COHBITS 0x0f
88 #define NVIDIA_HDA_ISTRM_COH 0x4d
89 #define NVIDIA_HDA_OSTRM_COH 0x4c
90 #define NVIDIA_HDA_ENABLE_COHBIT 0x01
92 /* Defines for Intel SCH HDA snoop control */
93 #define INTEL_HDA_CGCTL 0x48
94 #define INTEL_HDA_CGCTL_MISCBDCGE (0x1 << 6)
95 #define INTEL_SCH_HDA_DEVC 0x78
96 #define INTEL_SCH_HDA_DEVC_NOSNOOP (0x1<<11)
98 /* Define IN stream 0 FIFO size offset in VIA controller */
99 #define VIA_IN_STREAM0_FIFO_SIZE_OFFSET 0x90
100 /* Define VIA HD Audio Device ID*/
101 #define VIA_HDAC_DEVICE_ID 0x3288
103 /* max number of SDs */
104 /* ICH, ATI and VIA have 4 playback and 4 capture */
105 #define ICH6_NUM_CAPTURE 4
106 #define ICH6_NUM_PLAYBACK 4
108 /* ULI has 6 playback and 5 capture */
109 #define ULI_NUM_CAPTURE 5
110 #define ULI_NUM_PLAYBACK 6
112 /* ATI HDMI may have up to 8 playbacks and 0 capture */
113 #define ATIHDMI_NUM_CAPTURE 0
114 #define ATIHDMI_NUM_PLAYBACK 8
116 /* TERA has 4 playback and 3 capture */
117 #define TERA_NUM_CAPTURE 3
118 #define TERA_NUM_PLAYBACK 4
121 static int index
[SNDRV_CARDS
] = SNDRV_DEFAULT_IDX
;
122 static char *id
[SNDRV_CARDS
] = SNDRV_DEFAULT_STR
;
123 static bool enable
[SNDRV_CARDS
] = SNDRV_DEFAULT_ENABLE_PNP
;
124 static char *model
[SNDRV_CARDS
];
125 static int position_fix
[SNDRV_CARDS
] = {[0 ... (SNDRV_CARDS
-1)] = -1};
126 static int bdl_pos_adj
[SNDRV_CARDS
] = {[0 ... (SNDRV_CARDS
-1)] = -1};
127 static int probe_mask
[SNDRV_CARDS
] = {[0 ... (SNDRV_CARDS
-1)] = -1};
128 static int probe_only
[SNDRV_CARDS
];
129 static int jackpoll_ms
[SNDRV_CARDS
];
130 static bool single_cmd
;
131 static int enable_msi
= -1;
132 #ifdef CONFIG_SND_HDA_PATCH_LOADER
133 static char *patch
[SNDRV_CARDS
];
135 #ifdef CONFIG_SND_HDA_INPUT_BEEP
136 static bool beep_mode
[SNDRV_CARDS
] = {[0 ... (SNDRV_CARDS
-1)] =
137 CONFIG_SND_HDA_INPUT_BEEP_MODE
};
140 module_param_array(index
, int, NULL
, 0444);
141 MODULE_PARM_DESC(index
, "Index value for Intel HD audio interface.");
142 module_param_array(id
, charp
, NULL
, 0444);
143 MODULE_PARM_DESC(id
, "ID string for Intel HD audio interface.");
144 module_param_array(enable
, bool, NULL
, 0444);
145 MODULE_PARM_DESC(enable
, "Enable Intel HD audio interface.");
146 module_param_array(model
, charp
, NULL
, 0444);
147 MODULE_PARM_DESC(model
, "Use the given board model.");
148 module_param_array(position_fix
, int, NULL
, 0444);
149 MODULE_PARM_DESC(position_fix
, "DMA pointer read method."
150 "(-1 = system default, 0 = auto, 1 = LPIB, 2 = POSBUF, 3 = VIACOMBO, 4 = COMBO).");
151 module_param_array(bdl_pos_adj
, int, NULL
, 0644);
152 MODULE_PARM_DESC(bdl_pos_adj
, "BDL position adjustment offset.");
153 module_param_array(probe_mask
, int, NULL
, 0444);
154 MODULE_PARM_DESC(probe_mask
, "Bitmask to probe codecs (default = -1).");
155 module_param_array(probe_only
, int, NULL
, 0444);
156 MODULE_PARM_DESC(probe_only
, "Only probing and no codec initialization.");
157 module_param_array(jackpoll_ms
, int, NULL
, 0444);
158 MODULE_PARM_DESC(jackpoll_ms
, "Ms between polling for jack events (default = 0, using unsol events only)");
159 module_param(single_cmd
, bool, 0444);
160 MODULE_PARM_DESC(single_cmd
, "Use single command to communicate with codecs "
161 "(for debugging only).");
162 module_param(enable_msi
, bint
, 0444);
163 MODULE_PARM_DESC(enable_msi
, "Enable Message Signaled Interrupt (MSI)");
164 #ifdef CONFIG_SND_HDA_PATCH_LOADER
165 module_param_array(patch
, charp
, NULL
, 0444);
166 MODULE_PARM_DESC(patch
, "Patch file for Intel HD audio interface.");
168 #ifdef CONFIG_SND_HDA_INPUT_BEEP
169 module_param_array(beep_mode
, bool, NULL
, 0444);
170 MODULE_PARM_DESC(beep_mode
, "Select HDA Beep registration mode "
171 "(0=off, 1=on) (default=1).");
175 static int param_set_xint(const char *val
, const struct kernel_param
*kp
);
176 static const struct kernel_param_ops param_ops_xint
= {
177 .set
= param_set_xint
,
178 .get
= param_get_int
,
180 #define param_check_xint param_check_int
182 static int power_save
= CONFIG_SND_HDA_POWER_SAVE_DEFAULT
;
183 module_param(power_save
, xint
, 0644);
184 MODULE_PARM_DESC(power_save
, "Automatic power-saving timeout "
185 "(in second, 0 = disable).");
187 /* reset the HD-audio controller in power save mode.
188 * this may give more power-saving, but will take longer time to
191 static bool power_save_controller
= 1;
192 module_param(power_save_controller
, bool, 0644);
193 MODULE_PARM_DESC(power_save_controller
, "Reset controller in power save mode.");
196 #endif /* CONFIG_PM */
198 static int align_buffer_size
= -1;
199 module_param(align_buffer_size
, bint
, 0644);
200 MODULE_PARM_DESC(align_buffer_size
,
201 "Force buffer and period sizes to be multiple of 128 bytes.");
204 static int hda_snoop
= -1;
205 module_param_named(snoop
, hda_snoop
, bint
, 0444);
206 MODULE_PARM_DESC(snoop
, "Enable/disable snooping");
208 #define hda_snoop true
212 MODULE_LICENSE("GPL");
213 MODULE_SUPPORTED_DEVICE("{{Intel, ICH6},"
247 MODULE_DESCRIPTION("Intel HDA driver");
249 #if defined(CONFIG_PM) && defined(CONFIG_VGA_SWITCHEROO)
250 #if IS_ENABLED(CONFIG_SND_HDA_CODEC_HDMI)
251 #define SUPPORT_VGA_SWITCHEROO
267 AZX_DRIVER_ATIHDMI_NS
,
277 AZX_NUM_DRIVERS
, /* keep this as last entry */
280 #define azx_get_snoop_type(chip) \
281 (((chip)->driver_caps & AZX_DCAPS_SNOOP_MASK) >> 10)
282 #define AZX_DCAPS_SNOOP_TYPE(type) ((AZX_SNOOP_TYPE_ ## type) << 10)
284 /* quirks for old Intel chipsets */
285 #define AZX_DCAPS_INTEL_ICH \
286 (AZX_DCAPS_OLD_SSYNC | AZX_DCAPS_NO_ALIGN_BUFSIZE)
288 /* quirks for Intel PCH */
289 #define AZX_DCAPS_INTEL_PCH_BASE \
290 (AZX_DCAPS_NO_ALIGN_BUFSIZE | AZX_DCAPS_COUNT_LPIB_DELAY |\
291 AZX_DCAPS_SNOOP_TYPE(SCH))
293 /* PCH up to IVB; no runtime PM */
294 #define AZX_DCAPS_INTEL_PCH_NOPM \
295 (AZX_DCAPS_INTEL_PCH_BASE)
297 /* PCH for HSW/BDW; with runtime PM */
298 #define AZX_DCAPS_INTEL_PCH \
299 (AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_PM_RUNTIME)
302 #define AZX_DCAPS_INTEL_HASWELL \
303 (/*AZX_DCAPS_ALIGN_BUFSIZE |*/ AZX_DCAPS_COUNT_LPIB_DELAY |\
304 AZX_DCAPS_PM_RUNTIME | AZX_DCAPS_I915_POWERWELL |\
305 AZX_DCAPS_SNOOP_TYPE(SCH))
307 /* Broadwell HDMI can't use position buffer reliably, force to use LPIB */
308 #define AZX_DCAPS_INTEL_BROADWELL \
309 (/*AZX_DCAPS_ALIGN_BUFSIZE |*/ AZX_DCAPS_POSFIX_LPIB |\
310 AZX_DCAPS_PM_RUNTIME | AZX_DCAPS_I915_POWERWELL |\
311 AZX_DCAPS_SNOOP_TYPE(SCH))
313 #define AZX_DCAPS_INTEL_BAYTRAIL \
314 (AZX_DCAPS_INTEL_PCH_NOPM | AZX_DCAPS_I915_POWERWELL)
316 #define AZX_DCAPS_INTEL_BRASWELL \
317 (AZX_DCAPS_INTEL_PCH | AZX_DCAPS_I915_POWERWELL)
319 #define AZX_DCAPS_INTEL_SKYLAKE \
320 (AZX_DCAPS_INTEL_PCH | AZX_DCAPS_SEPARATE_STREAM_TAG |\
321 AZX_DCAPS_I915_POWERWELL)
323 #define AZX_DCAPS_INTEL_BROXTON \
324 (AZX_DCAPS_INTEL_PCH | AZX_DCAPS_SEPARATE_STREAM_TAG |\
325 AZX_DCAPS_I915_POWERWELL)
327 /* quirks for ATI SB / AMD Hudson */
328 #define AZX_DCAPS_PRESET_ATI_SB \
329 (AZX_DCAPS_NO_TCSEL | AZX_DCAPS_SYNC_WRITE | AZX_DCAPS_POSFIX_LPIB |\
330 AZX_DCAPS_SNOOP_TYPE(ATI))
332 /* quirks for ATI/AMD HDMI */
333 #define AZX_DCAPS_PRESET_ATI_HDMI \
334 (AZX_DCAPS_NO_TCSEL | AZX_DCAPS_SYNC_WRITE | AZX_DCAPS_POSFIX_LPIB|\
337 /* quirks for ATI HDMI with snoop off */
338 #define AZX_DCAPS_PRESET_ATI_HDMI_NS \
339 (AZX_DCAPS_PRESET_ATI_HDMI | AZX_DCAPS_SNOOP_OFF)
341 /* quirks for Nvidia */
342 #define AZX_DCAPS_PRESET_NVIDIA \
343 (AZX_DCAPS_NO_MSI | /*AZX_DCAPS_ALIGN_BUFSIZE |*/ \
344 AZX_DCAPS_NO_64BIT | AZX_DCAPS_CORBRP_SELF_CLEAR |\
345 AZX_DCAPS_SNOOP_TYPE(NVIDIA))
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_BXT(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x5a98)
369 #define IS_SKL_PLUS(pci) (IS_SKL(pci) || IS_SKL_LP(pci) || IS_BXT(pci))
371 static char *driver_short_names
[] = {
372 [AZX_DRIVER_ICH
] = "HDA Intel",
373 [AZX_DRIVER_PCH
] = "HDA Intel PCH",
374 [AZX_DRIVER_SCH
] = "HDA Intel MID",
375 [AZX_DRIVER_HDMI
] = "HDA Intel HDMI",
376 [AZX_DRIVER_ATI
] = "HDA ATI SB",
377 [AZX_DRIVER_ATIHDMI
] = "HDA ATI HDMI",
378 [AZX_DRIVER_ATIHDMI_NS
] = "HDA ATI HDMI",
379 [AZX_DRIVER_VIA
] = "HDA VIA VT82xx",
380 [AZX_DRIVER_SIS
] = "HDA SIS966",
381 [AZX_DRIVER_ULI
] = "HDA ULI M5461",
382 [AZX_DRIVER_NVIDIA
] = "HDA NVidia",
383 [AZX_DRIVER_TERA
] = "HDA Teradici",
384 [AZX_DRIVER_CTX
] = "HDA Creative",
385 [AZX_DRIVER_CTHDA
] = "HDA Creative",
386 [AZX_DRIVER_CMEDIA
] = "HDA C-Media",
387 [AZX_DRIVER_GENERIC
] = "HD-Audio Generic",
391 static void __mark_pages_wc(struct azx
*chip
, struct snd_dma_buffer
*dmab
, bool on
)
397 if (!dmab
|| !dmab
->area
|| !dmab
->bytes
)
400 #ifdef CONFIG_SND_DMA_SGBUF
401 if (dmab
->dev
.type
== SNDRV_DMA_TYPE_DEV_SG
) {
402 struct snd_sg_buf
*sgbuf
= dmab
->private_data
;
403 if (chip
->driver_type
== AZX_DRIVER_CMEDIA
)
404 return; /* deal with only CORB/RIRB buffers */
406 set_pages_array_wc(sgbuf
->page_table
, sgbuf
->pages
);
408 set_pages_array_wb(sgbuf
->page_table
, sgbuf
->pages
);
413 pages
= (dmab
->bytes
+ PAGE_SIZE
- 1) >> PAGE_SHIFT
;
415 set_memory_wc((unsigned long)dmab
->area
, pages
);
417 set_memory_wb((unsigned long)dmab
->area
, pages
);
420 static inline void mark_pages_wc(struct azx
*chip
, struct snd_dma_buffer
*buf
,
423 __mark_pages_wc(chip
, buf
, on
);
425 static inline void mark_runtime_wc(struct azx
*chip
, struct azx_dev
*azx_dev
,
426 struct snd_pcm_substream
*substream
, bool on
)
428 if (azx_dev
->wc_marked
!= on
) {
429 __mark_pages_wc(chip
, snd_pcm_get_dma_buf(substream
), on
);
430 azx_dev
->wc_marked
= on
;
434 /* NOP for other archs */
435 static inline void mark_pages_wc(struct azx
*chip
, struct snd_dma_buffer
*buf
,
439 static inline void mark_runtime_wc(struct azx
*chip
, struct azx_dev
*azx_dev
,
440 struct snd_pcm_substream
*substream
, bool on
)
445 static int azx_acquire_irq(struct azx
*chip
, int do_disconnect
);
448 * initialize the PCI registers
450 /* update bits in a PCI register byte */
451 static void update_pci_byte(struct pci_dev
*pci
, unsigned int reg
,
452 unsigned char mask
, unsigned char val
)
456 pci_read_config_byte(pci
, reg
, &data
);
458 data
|= (val
& mask
);
459 pci_write_config_byte(pci
, reg
, data
);
462 static void azx_init_pci(struct azx
*chip
)
464 int snoop_type
= azx_get_snoop_type(chip
);
466 /* Clear bits 0-2 of PCI register TCSEL (at offset 0x44)
467 * TCSEL == Traffic Class Select Register, which sets PCI express QOS
468 * Ensuring these bits are 0 clears playback static on some HD Audio
470 * The PCI register TCSEL is defined in the Intel manuals.
472 if (!(chip
->driver_caps
& AZX_DCAPS_NO_TCSEL
)) {
473 dev_dbg(chip
->card
->dev
, "Clearing TCSEL\n");
474 update_pci_byte(chip
->pci
, AZX_PCIREG_TCSEL
, 0x07, 0);
477 /* For ATI SB450/600/700/800/900 and AMD Hudson azalia HD audio,
478 * we need to enable snoop.
480 if (snoop_type
== AZX_SNOOP_TYPE_ATI
) {
481 dev_dbg(chip
->card
->dev
, "Setting ATI snoop: %d\n",
483 update_pci_byte(chip
->pci
,
484 ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR
, 0x07,
485 azx_snoop(chip
) ? ATI_SB450_HDAUDIO_ENABLE_SNOOP
: 0);
488 /* For NVIDIA HDA, enable snoop */
489 if (snoop_type
== AZX_SNOOP_TYPE_NVIDIA
) {
490 dev_dbg(chip
->card
->dev
, "Setting Nvidia snoop: %d\n",
492 update_pci_byte(chip
->pci
,
493 NVIDIA_HDA_TRANSREG_ADDR
,
494 0x0f, NVIDIA_HDA_ENABLE_COHBITS
);
495 update_pci_byte(chip
->pci
,
496 NVIDIA_HDA_ISTRM_COH
,
497 0x01, NVIDIA_HDA_ENABLE_COHBIT
);
498 update_pci_byte(chip
->pci
,
499 NVIDIA_HDA_OSTRM_COH
,
500 0x01, NVIDIA_HDA_ENABLE_COHBIT
);
503 /* Enable SCH/PCH snoop if needed */
504 if (snoop_type
== AZX_SNOOP_TYPE_SCH
) {
505 unsigned short snoop
;
506 pci_read_config_word(chip
->pci
, INTEL_SCH_HDA_DEVC
, &snoop
);
507 if ((!azx_snoop(chip
) && !(snoop
& INTEL_SCH_HDA_DEVC_NOSNOOP
)) ||
508 (azx_snoop(chip
) && (snoop
& INTEL_SCH_HDA_DEVC_NOSNOOP
))) {
509 snoop
&= ~INTEL_SCH_HDA_DEVC_NOSNOOP
;
510 if (!azx_snoop(chip
))
511 snoop
|= INTEL_SCH_HDA_DEVC_NOSNOOP
;
512 pci_write_config_word(chip
->pci
, INTEL_SCH_HDA_DEVC
, snoop
);
513 pci_read_config_word(chip
->pci
,
514 INTEL_SCH_HDA_DEVC
, &snoop
);
516 dev_dbg(chip
->card
->dev
, "SCH snoop: %s\n",
517 (snoop
& INTEL_SCH_HDA_DEVC_NOSNOOP
) ?
518 "Disabled" : "Enabled");
523 * In BXT-P A0, HD-Audio DMA requests is later than expected,
524 * and makes an audio stream sensitive to system latencies when
525 * 24/32 bits are playing.
526 * Adjusting threshold of DMA fifo to force the DMA request
527 * sooner to improve latency tolerance at the expense of power.
529 static void bxt_reduce_dma_latency(struct azx
*chip
)
533 val
= azx_readl(chip
, SKL_EM4L
);
535 azx_writel(chip
, SKL_EM4L
, val
);
538 static void hda_intel_init_chip(struct azx
*chip
, bool full_reset
)
540 struct hdac_bus
*bus
= azx_bus(chip
);
541 struct pci_dev
*pci
= chip
->pci
;
544 if (chip
->driver_caps
& AZX_DCAPS_I915_POWERWELL
)
545 snd_hdac_set_codec_wakeup(bus
, true);
546 if (IS_SKL_PLUS(pci
)) {
547 pci_read_config_dword(pci
, INTEL_HDA_CGCTL
, &val
);
548 val
= val
& ~INTEL_HDA_CGCTL_MISCBDCGE
;
549 pci_write_config_dword(pci
, INTEL_HDA_CGCTL
, val
);
551 azx_init_chip(chip
, full_reset
);
552 if (IS_SKL_PLUS(pci
)) {
553 pci_read_config_dword(pci
, INTEL_HDA_CGCTL
, &val
);
554 val
= val
| INTEL_HDA_CGCTL_MISCBDCGE
;
555 pci_write_config_dword(pci
, INTEL_HDA_CGCTL
, val
);
557 if (chip
->driver_caps
& AZX_DCAPS_I915_POWERWELL
)
558 snd_hdac_set_codec_wakeup(bus
, false);
560 /* reduce dma latency to avoid noise */
562 bxt_reduce_dma_latency(chip
);
565 /* calculate runtime delay from LPIB */
566 static int azx_get_delay_from_lpib(struct azx
*chip
, struct azx_dev
*azx_dev
,
569 struct snd_pcm_substream
*substream
= azx_dev
->core
.substream
;
570 int stream
= substream
->stream
;
571 unsigned int lpib_pos
= azx_get_pos_lpib(chip
, azx_dev
);
574 if (stream
== SNDRV_PCM_STREAM_PLAYBACK
)
575 delay
= pos
- lpib_pos
;
577 delay
= lpib_pos
- pos
;
579 if (delay
>= azx_dev
->core
.delay_negative_threshold
)
582 delay
+= azx_dev
->core
.bufsize
;
585 if (delay
>= azx_dev
->core
.period_bytes
) {
586 dev_info(chip
->card
->dev
,
587 "Unstable LPIB (%d >= %d); disabling LPIB delay counting\n",
588 delay
, azx_dev
->core
.period_bytes
);
590 chip
->driver_caps
&= ~AZX_DCAPS_COUNT_LPIB_DELAY
;
591 chip
->get_delay
[stream
] = NULL
;
594 return bytes_to_frames(substream
->runtime
, delay
);
597 static int azx_position_ok(struct azx
*chip
, struct azx_dev
*azx_dev
);
599 /* called from IRQ */
600 static int azx_position_check(struct azx
*chip
, struct azx_dev
*azx_dev
)
602 struct hda_intel
*hda
= container_of(chip
, struct hda_intel
, chip
);
605 ok
= azx_position_ok(chip
, azx_dev
);
607 azx_dev
->irq_pending
= 0;
609 } else if (ok
== 0) {
610 /* bogus IRQ, process it later */
611 azx_dev
->irq_pending
= 1;
612 schedule_work(&hda
->irq_pending_work
);
617 /* Enable/disable i915 display power for the link */
618 static int azx_intel_link_power(struct azx
*chip
, bool enable
)
620 struct hdac_bus
*bus
= azx_bus(chip
);
622 return snd_hdac_display_power(bus
, enable
);
626 * Check whether the current DMA position is acceptable for updating
627 * periods. Returns non-zero if it's OK.
629 * Many HD-audio controllers appear pretty inaccurate about
630 * the update-IRQ timing. The IRQ is issued before actually the
631 * data is processed. So, we need to process it afterwords in a
634 static int azx_position_ok(struct azx
*chip
, struct azx_dev
*azx_dev
)
636 struct snd_pcm_substream
*substream
= azx_dev
->core
.substream
;
637 int stream
= substream
->stream
;
641 wallclk
= azx_readl(chip
, WALLCLK
) - azx_dev
->core
.start_wallclk
;
642 if (wallclk
< (azx_dev
->core
.period_wallclk
* 2) / 3)
643 return -1; /* bogus (too early) interrupt */
645 if (chip
->get_position
[stream
])
646 pos
= chip
->get_position
[stream
](chip
, azx_dev
);
647 else { /* use the position buffer as default */
648 pos
= azx_get_pos_posbuf(chip
, azx_dev
);
649 if (!pos
|| pos
== (u32
)-1) {
650 dev_info(chip
->card
->dev
,
651 "Invalid position buffer, using LPIB read method instead.\n");
652 chip
->get_position
[stream
] = azx_get_pos_lpib
;
653 if (chip
->get_position
[0] == azx_get_pos_lpib
&&
654 chip
->get_position
[1] == azx_get_pos_lpib
)
655 azx_bus(chip
)->use_posbuf
= false;
656 pos
= azx_get_pos_lpib(chip
, azx_dev
);
657 chip
->get_delay
[stream
] = NULL
;
659 chip
->get_position
[stream
] = azx_get_pos_posbuf
;
660 if (chip
->driver_caps
& AZX_DCAPS_COUNT_LPIB_DELAY
)
661 chip
->get_delay
[stream
] = azx_get_delay_from_lpib
;
665 if (pos
>= azx_dev
->core
.bufsize
)
668 if (WARN_ONCE(!azx_dev
->core
.period_bytes
,
669 "hda-intel: zero azx_dev->period_bytes"))
670 return -1; /* this shouldn't happen! */
671 if (wallclk
< (azx_dev
->core
.period_wallclk
* 5) / 4 &&
672 pos
% azx_dev
->core
.period_bytes
> azx_dev
->core
.period_bytes
/ 2)
673 /* NG - it's below the first next period boundary */
674 return chip
->bdl_pos_adj
? 0 : -1;
675 azx_dev
->core
.start_wallclk
+= wallclk
;
676 return 1; /* OK, it's fine */
680 * The work for pending PCM period updates.
682 static void azx_irq_pending_work(struct work_struct
*work
)
684 struct hda_intel
*hda
= container_of(work
, struct hda_intel
, irq_pending_work
);
685 struct azx
*chip
= &hda
->chip
;
686 struct hdac_bus
*bus
= azx_bus(chip
);
687 struct hdac_stream
*s
;
690 if (!hda
->irq_pending_warned
) {
691 dev_info(chip
->card
->dev
,
692 "IRQ timing workaround is activated for card #%d. Suggest a bigger bdl_pos_adj.\n",
694 hda
->irq_pending_warned
= 1;
699 spin_lock_irq(&bus
->reg_lock
);
700 list_for_each_entry(s
, &bus
->stream_list
, list
) {
701 struct azx_dev
*azx_dev
= stream_to_azx_dev(s
);
702 if (!azx_dev
->irq_pending
||
706 ok
= azx_position_ok(chip
, azx_dev
);
708 azx_dev
->irq_pending
= 0;
709 spin_unlock(&bus
->reg_lock
);
710 snd_pcm_period_elapsed(s
->substream
);
711 spin_lock(&bus
->reg_lock
);
713 pending
= 0; /* too early */
717 spin_unlock_irq(&bus
->reg_lock
);
724 /* clear irq_pending flags and assure no on-going workq */
725 static void azx_clear_irq_pending(struct azx
*chip
)
727 struct hdac_bus
*bus
= azx_bus(chip
);
728 struct hdac_stream
*s
;
730 spin_lock_irq(&bus
->reg_lock
);
731 list_for_each_entry(s
, &bus
->stream_list
, list
) {
732 struct azx_dev
*azx_dev
= stream_to_azx_dev(s
);
733 azx_dev
->irq_pending
= 0;
735 spin_unlock_irq(&bus
->reg_lock
);
738 static int azx_acquire_irq(struct azx
*chip
, int do_disconnect
)
740 struct hdac_bus
*bus
= azx_bus(chip
);
742 if (request_irq(chip
->pci
->irq
, azx_interrupt
,
743 chip
->msi
? 0 : IRQF_SHARED
,
744 chip
->card
->irq_descr
, chip
)) {
745 dev_err(chip
->card
->dev
,
746 "unable to grab IRQ %d, disabling device\n",
749 snd_card_disconnect(chip
->card
);
752 bus
->irq
= chip
->pci
->irq
;
753 pci_intx(chip
->pci
, !chip
->msi
);
757 /* get the current DMA position with correction on VIA chips */
758 static unsigned int azx_via_get_position(struct azx
*chip
,
759 struct azx_dev
*azx_dev
)
761 unsigned int link_pos
, mini_pos
, bound_pos
;
762 unsigned int mod_link_pos
, mod_dma_pos
, mod_mini_pos
;
763 unsigned int fifo_size
;
765 link_pos
= snd_hdac_stream_get_pos_lpib(azx_stream(azx_dev
));
766 if (azx_dev
->core
.substream
->stream
== SNDRV_PCM_STREAM_PLAYBACK
) {
767 /* Playback, no problem using link position */
773 * use mod to get the DMA position just like old chipset
775 mod_dma_pos
= le32_to_cpu(*azx_dev
->core
.posbuf
);
776 mod_dma_pos
%= azx_dev
->core
.period_bytes
;
778 /* azx_dev->fifo_size can't get FIFO size of in stream.
779 * Get from base address + offset.
781 fifo_size
= readw(azx_bus(chip
)->remap_addr
+
782 VIA_IN_STREAM0_FIFO_SIZE_OFFSET
);
784 if (azx_dev
->insufficient
) {
785 /* Link position never gather than FIFO size */
786 if (link_pos
<= fifo_size
)
789 azx_dev
->insufficient
= 0;
792 if (link_pos
<= fifo_size
)
793 mini_pos
= azx_dev
->core
.bufsize
+ link_pos
- fifo_size
;
795 mini_pos
= link_pos
- fifo_size
;
797 /* Find nearest previous boudary */
798 mod_mini_pos
= mini_pos
% azx_dev
->core
.period_bytes
;
799 mod_link_pos
= link_pos
% azx_dev
->core
.period_bytes
;
800 if (mod_link_pos
>= fifo_size
)
801 bound_pos
= link_pos
- mod_link_pos
;
802 else if (mod_dma_pos
>= mod_mini_pos
)
803 bound_pos
= mini_pos
- mod_mini_pos
;
805 bound_pos
= mini_pos
- mod_mini_pos
+ azx_dev
->core
.period_bytes
;
806 if (bound_pos
>= azx_dev
->core
.bufsize
)
810 /* Calculate real DMA position we want */
811 return bound_pos
+ mod_dma_pos
;
815 static DEFINE_MUTEX(card_list_lock
);
816 static LIST_HEAD(card_list
);
818 static void azx_add_card_list(struct azx
*chip
)
820 struct hda_intel
*hda
= container_of(chip
, struct hda_intel
, chip
);
821 mutex_lock(&card_list_lock
);
822 list_add(&hda
->list
, &card_list
);
823 mutex_unlock(&card_list_lock
);
826 static void azx_del_card_list(struct azx
*chip
)
828 struct hda_intel
*hda
= container_of(chip
, struct hda_intel
, chip
);
829 mutex_lock(&card_list_lock
);
830 list_del_init(&hda
->list
);
831 mutex_unlock(&card_list_lock
);
834 /* trigger power-save check at writing parameter */
835 static int param_set_xint(const char *val
, const struct kernel_param
*kp
)
837 struct hda_intel
*hda
;
839 int prev
= power_save
;
840 int ret
= param_set_int(val
, kp
);
842 if (ret
|| prev
== power_save
)
845 mutex_lock(&card_list_lock
);
846 list_for_each_entry(hda
, &card_list
, list
) {
848 if (!hda
->probe_continued
|| chip
->disabled
)
850 snd_hda_set_power_save(&chip
->bus
, power_save
* 1000);
852 mutex_unlock(&card_list_lock
);
856 #define azx_add_card_list(chip) /* NOP */
857 #define azx_del_card_list(chip) /* NOP */
858 #endif /* CONFIG_PM */
860 /* Intel HSW/BDW display HDA controller is in GPU. Both its power and link BCLK
861 * depends on GPU. Two Extended Mode registers EM4 (M value) and EM5 (N Value)
862 * are used to convert CDClk (Core Display Clock) to 24MHz BCLK:
863 * BCLK = CDCLK * M / N
864 * The values will be lost when the display power well is disabled and need to
865 * be restored to avoid abnormal playback speed.
867 static void haswell_set_bclk(struct hda_intel
*hda
)
869 struct azx
*chip
= &hda
->chip
;
871 unsigned int bclk_m
, bclk_n
;
873 if (!hda
->need_i915_power
)
876 cdclk_freq
= snd_hdac_get_display_clk(azx_bus(chip
));
877 switch (cdclk_freq
) {
884 default: /* default CDCLK 450MHz */
900 azx_writew(chip
, HSW_EM4
, bclk_m
);
901 azx_writew(chip
, HSW_EM5
, bclk_n
);
904 #if defined(CONFIG_PM_SLEEP) || defined(SUPPORT_VGA_SWITCHEROO)
908 static int azx_suspend(struct device
*dev
)
910 struct snd_card
*card
= dev_get_drvdata(dev
);
912 struct hda_intel
*hda
;
913 struct hdac_bus
*bus
;
918 chip
= card
->private_data
;
919 hda
= container_of(chip
, struct hda_intel
, chip
);
920 if (chip
->disabled
|| hda
->init_failed
|| !chip
->running
)
924 snd_power_change_state(card
, SNDRV_CTL_POWER_D3hot
);
925 azx_clear_irq_pending(chip
);
927 azx_enter_link_reset(chip
);
929 free_irq(bus
->irq
, chip
);
934 pci_disable_msi(chip
->pci
);
935 if (chip
->driver_caps
& AZX_DCAPS_I915_POWERWELL
936 && hda
->need_i915_power
)
937 snd_hdac_display_power(bus
, false);
939 trace_azx_suspend(chip
);
943 static int azx_resume(struct device
*dev
)
945 struct pci_dev
*pci
= to_pci_dev(dev
);
946 struct snd_card
*card
= dev_get_drvdata(dev
);
948 struct hda_intel
*hda
;
953 chip
= card
->private_data
;
954 hda
= container_of(chip
, struct hda_intel
, chip
);
955 if (chip
->disabled
|| hda
->init_failed
|| !chip
->running
)
958 if (chip
->driver_caps
& AZX_DCAPS_I915_POWERWELL
959 && hda
->need_i915_power
) {
960 snd_hdac_display_power(azx_bus(chip
), true);
961 haswell_set_bclk(hda
);
964 if (pci_enable_msi(pci
) < 0)
966 if (azx_acquire_irq(chip
, 1) < 0)
970 hda_intel_init_chip(chip
, true);
972 snd_power_change_state(card
, SNDRV_CTL_POWER_D0
);
974 trace_azx_resume(chip
);
977 #endif /* CONFIG_PM_SLEEP || SUPPORT_VGA_SWITCHEROO */
979 #ifdef CONFIG_PM_SLEEP
980 /* put codec down to D3 at hibernation for Intel SKL+;
981 * otherwise BIOS may still access the codec and screw up the driver
983 static int azx_freeze_noirq(struct device
*dev
)
985 struct pci_dev
*pci
= to_pci_dev(dev
);
987 if (IS_SKL_PLUS(pci
))
988 pci_set_power_state(pci
, PCI_D3hot
);
993 static int azx_thaw_noirq(struct device
*dev
)
995 struct pci_dev
*pci
= to_pci_dev(dev
);
997 if (IS_SKL_PLUS(pci
))
998 pci_set_power_state(pci
, PCI_D0
);
1002 #endif /* CONFIG_PM_SLEEP */
1005 static int azx_runtime_suspend(struct device
*dev
)
1007 struct snd_card
*card
= dev_get_drvdata(dev
);
1009 struct hda_intel
*hda
;
1014 chip
= card
->private_data
;
1015 hda
= container_of(chip
, struct hda_intel
, chip
);
1016 if (chip
->disabled
|| hda
->init_failed
)
1019 if (!azx_has_pm_runtime(chip
))
1022 /* enable controller wake up event */
1023 azx_writew(chip
, WAKEEN
, azx_readw(chip
, WAKEEN
) |
1026 azx_stop_chip(chip
);
1027 azx_enter_link_reset(chip
);
1028 azx_clear_irq_pending(chip
);
1029 if (chip
->driver_caps
& AZX_DCAPS_I915_POWERWELL
1030 && hda
->need_i915_power
)
1031 snd_hdac_display_power(azx_bus(chip
), false);
1033 trace_azx_runtime_suspend(chip
);
1037 static int azx_runtime_resume(struct device
*dev
)
1039 struct snd_card
*card
= dev_get_drvdata(dev
);
1041 struct hda_intel
*hda
;
1042 struct hdac_bus
*bus
;
1043 struct hda_codec
*codec
;
1049 chip
= card
->private_data
;
1050 hda
= container_of(chip
, struct hda_intel
, chip
);
1051 if (chip
->disabled
|| hda
->init_failed
)
1054 if (!azx_has_pm_runtime(chip
))
1057 if (chip
->driver_caps
& AZX_DCAPS_I915_POWERWELL
) {
1058 bus
= azx_bus(chip
);
1059 if (hda
->need_i915_power
) {
1060 snd_hdac_display_power(bus
, true);
1061 haswell_set_bclk(hda
);
1063 /* toggle codec wakeup bit for STATESTS read */
1064 snd_hdac_set_codec_wakeup(bus
, true);
1065 snd_hdac_set_codec_wakeup(bus
, false);
1069 /* Read STATESTS before controller reset */
1070 status
= azx_readw(chip
, STATESTS
);
1073 hda_intel_init_chip(chip
, true);
1076 list_for_each_codec(codec
, &chip
->bus
)
1077 if (status
& (1 << codec
->addr
))
1078 schedule_delayed_work(&codec
->jackpoll_work
,
1079 codec
->jackpoll_interval
);
1082 /* disable controller Wake Up event*/
1083 azx_writew(chip
, WAKEEN
, azx_readw(chip
, WAKEEN
) &
1084 ~STATESTS_INT_MASK
);
1086 trace_azx_runtime_resume(chip
);
1090 static int azx_runtime_idle(struct device
*dev
)
1092 struct snd_card
*card
= dev_get_drvdata(dev
);
1094 struct hda_intel
*hda
;
1099 chip
= card
->private_data
;
1100 hda
= container_of(chip
, struct hda_intel
, chip
);
1101 if (chip
->disabled
|| hda
->init_failed
)
1104 if (!power_save_controller
|| !azx_has_pm_runtime(chip
) ||
1105 azx_bus(chip
)->codec_powered
|| !chip
->running
)
1111 static const struct dev_pm_ops azx_pm
= {
1112 SET_SYSTEM_SLEEP_PM_OPS(azx_suspend
, azx_resume
)
1113 #ifdef CONFIG_PM_SLEEP
1114 .freeze_noirq
= azx_freeze_noirq
,
1115 .thaw_noirq
= azx_thaw_noirq
,
1117 SET_RUNTIME_PM_OPS(azx_runtime_suspend
, azx_runtime_resume
, azx_runtime_idle
)
1120 #define AZX_PM_OPS &azx_pm
1122 #define AZX_PM_OPS NULL
1123 #endif /* CONFIG_PM */
1126 static int azx_probe_continue(struct azx
*chip
);
1128 #ifdef SUPPORT_VGA_SWITCHEROO
1129 static struct pci_dev
*get_bound_vga(struct pci_dev
*pci
);
1131 static void azx_vs_set_state(struct pci_dev
*pci
,
1132 enum vga_switcheroo_state state
)
1134 struct snd_card
*card
= pci_get_drvdata(pci
);
1135 struct azx
*chip
= card
->private_data
;
1136 struct hda_intel
*hda
= container_of(chip
, struct hda_intel
, chip
);
1139 wait_for_completion(&hda
->probe_wait
);
1140 if (hda
->init_failed
)
1143 disabled
= (state
== VGA_SWITCHEROO_OFF
);
1144 if (chip
->disabled
== disabled
)
1147 if (!hda
->probe_continued
) {
1148 chip
->disabled
= disabled
;
1150 dev_info(chip
->card
->dev
,
1151 "Start delayed initialization\n");
1152 if (azx_probe_continue(chip
) < 0) {
1153 dev_err(chip
->card
->dev
, "initialization error\n");
1154 hda
->init_failed
= true;
1158 dev_info(chip
->card
->dev
, "%s via vga_switcheroo\n",
1159 disabled
? "Disabling" : "Enabling");
1161 pm_runtime_put_sync_suspend(card
->dev
);
1162 azx_suspend(card
->dev
);
1163 /* when we get suspended by vga_switcheroo we end up in D3cold,
1164 * however we have no ACPI handle, so pci/acpi can't put us there,
1165 * put ourselves there */
1166 pci
->current_state
= PCI_D3cold
;
1167 chip
->disabled
= true;
1168 if (snd_hda_lock_devices(&chip
->bus
))
1169 dev_warn(chip
->card
->dev
,
1170 "Cannot lock devices!\n");
1172 snd_hda_unlock_devices(&chip
->bus
);
1173 pm_runtime_get_noresume(card
->dev
);
1174 chip
->disabled
= false;
1175 azx_resume(card
->dev
);
1180 static bool azx_vs_can_switch(struct pci_dev
*pci
)
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
);
1186 wait_for_completion(&hda
->probe_wait
);
1187 if (hda
->init_failed
)
1189 if (chip
->disabled
|| !hda
->probe_continued
)
1191 if (snd_hda_lock_devices(&chip
->bus
))
1193 snd_hda_unlock_devices(&chip
->bus
);
1197 static void init_vga_switcheroo(struct azx
*chip
)
1199 struct hda_intel
*hda
= container_of(chip
, struct hda_intel
, chip
);
1200 struct pci_dev
*p
= get_bound_vga(chip
->pci
);
1202 dev_info(chip
->card
->dev
,
1203 "Handle vga_switcheroo audio client\n");
1204 hda
->use_vga_switcheroo
= 1;
1209 static const struct vga_switcheroo_client_ops azx_vs_ops
= {
1210 .set_gpu_state
= azx_vs_set_state
,
1211 .can_switch
= azx_vs_can_switch
,
1214 static int register_vga_switcheroo(struct azx
*chip
)
1216 struct hda_intel
*hda
= container_of(chip
, struct hda_intel
, chip
);
1219 if (!hda
->use_vga_switcheroo
)
1221 /* FIXME: currently only handling DIS controller
1222 * is there any machine with two switchable HDMI audio controllers?
1224 err
= vga_switcheroo_register_audio_client(chip
->pci
, &azx_vs_ops
,
1225 VGA_SWITCHEROO_DIS
);
1228 hda
->vga_switcheroo_registered
= 1;
1230 /* register as an optimus hdmi audio power domain */
1231 vga_switcheroo_init_domain_pm_optimus_hdmi_audio(chip
->card
->dev
,
1232 &hda
->hdmi_pm_domain
);
1236 #define init_vga_switcheroo(chip) /* NOP */
1237 #define register_vga_switcheroo(chip) 0
1238 #define check_hdmi_disabled(pci) false
1239 #endif /* SUPPORT_VGA_SWITCHER */
1244 static int azx_free(struct azx
*chip
)
1246 struct pci_dev
*pci
= chip
->pci
;
1247 struct hda_intel
*hda
= container_of(chip
, struct hda_intel
, chip
);
1248 struct hdac_bus
*bus
= azx_bus(chip
);
1250 if (azx_has_pm_runtime(chip
) && chip
->running
)
1251 pm_runtime_get_noresume(&pci
->dev
);
1253 azx_del_card_list(chip
);
1255 hda
->init_failed
= 1; /* to be sure */
1256 complete_all(&hda
->probe_wait
);
1258 if (use_vga_switcheroo(hda
)) {
1259 if (chip
->disabled
&& hda
->probe_continued
)
1260 snd_hda_unlock_devices(&chip
->bus
);
1261 if (hda
->vga_switcheroo_registered
)
1262 vga_switcheroo_unregister_client(chip
->pci
);
1265 if (bus
->chip_init
) {
1266 azx_clear_irq_pending(chip
);
1267 azx_stop_all_streams(chip
);
1268 azx_stop_chip(chip
);
1272 free_irq(bus
->irq
, (void*)chip
);
1274 pci_disable_msi(chip
->pci
);
1275 iounmap(bus
->remap_addr
);
1277 azx_free_stream_pages(chip
);
1278 azx_free_streams(chip
);
1279 snd_hdac_bus_exit(bus
);
1281 if (chip
->region_requested
)
1282 pci_release_regions(chip
->pci
);
1284 pci_disable_device(chip
->pci
);
1285 #ifdef CONFIG_SND_HDA_PATCH_LOADER
1286 release_firmware(chip
->fw
);
1289 if (chip
->driver_caps
& AZX_DCAPS_I915_POWERWELL
) {
1290 if (hda
->need_i915_power
)
1291 snd_hdac_display_power(bus
, false);
1292 snd_hdac_i915_exit(bus
);
1299 static int azx_dev_disconnect(struct snd_device
*device
)
1301 struct azx
*chip
= device
->device_data
;
1303 chip
->bus
.shutdown
= 1;
1307 static int azx_dev_free(struct snd_device
*device
)
1309 return azx_free(device
->device_data
);
1312 #ifdef SUPPORT_VGA_SWITCHEROO
1314 * Check of disabled HDMI controller by vga_switcheroo
1316 static struct pci_dev
*get_bound_vga(struct pci_dev
*pci
)
1320 /* check only discrete GPU */
1321 switch (pci
->vendor
) {
1322 case PCI_VENDOR_ID_ATI
:
1323 case PCI_VENDOR_ID_AMD
:
1324 case PCI_VENDOR_ID_NVIDIA
:
1325 if (pci
->devfn
== 1) {
1326 p
= pci_get_domain_bus_and_slot(pci_domain_nr(pci
->bus
),
1327 pci
->bus
->number
, 0);
1329 if ((p
->class >> 8) == PCI_CLASS_DISPLAY_VGA
)
1339 static bool check_hdmi_disabled(struct pci_dev
*pci
)
1341 bool vga_inactive
= false;
1342 struct pci_dev
*p
= get_bound_vga(pci
);
1345 if (vga_switcheroo_get_client_state(p
) == VGA_SWITCHEROO_OFF
)
1346 vga_inactive
= true;
1349 return vga_inactive
;
1351 #endif /* SUPPORT_VGA_SWITCHEROO */
1354 * white/black-listing for position_fix
1356 static struct snd_pci_quirk position_fix_list
[] = {
1357 SND_PCI_QUIRK(0x1028, 0x01cc, "Dell D820", POS_FIX_LPIB
),
1358 SND_PCI_QUIRK(0x1028, 0x01de, "Dell Precision 390", POS_FIX_LPIB
),
1359 SND_PCI_QUIRK(0x103c, 0x306d, "HP dv3", POS_FIX_LPIB
),
1360 SND_PCI_QUIRK(0x1043, 0x813d, "ASUS P5AD2", POS_FIX_LPIB
),
1361 SND_PCI_QUIRK(0x1043, 0x81b3, "ASUS", POS_FIX_LPIB
),
1362 SND_PCI_QUIRK(0x1043, 0x81e7, "ASUS M2V", POS_FIX_LPIB
),
1363 SND_PCI_QUIRK(0x104d, 0x9069, "Sony VPCS11V9E", POS_FIX_LPIB
),
1364 SND_PCI_QUIRK(0x10de, 0xcb89, "Macbook Pro 7,1", POS_FIX_LPIB
),
1365 SND_PCI_QUIRK(0x1297, 0x3166, "Shuttle", POS_FIX_LPIB
),
1366 SND_PCI_QUIRK(0x1458, 0xa022, "ga-ma770-ud3", POS_FIX_LPIB
),
1367 SND_PCI_QUIRK(0x1462, 0x1002, "MSI Wind U115", POS_FIX_LPIB
),
1368 SND_PCI_QUIRK(0x1565, 0x8218, "Biostar Microtech", POS_FIX_LPIB
),
1369 SND_PCI_QUIRK(0x1849, 0x0888, "775Dual-VSTA", POS_FIX_LPIB
),
1370 SND_PCI_QUIRK(0x8086, 0x2503, "DG965OT AAD63733-203", POS_FIX_LPIB
),
1374 static int check_position_fix(struct azx
*chip
, int fix
)
1376 const struct snd_pci_quirk
*q
;
1381 case POS_FIX_POSBUF
:
1382 case POS_FIX_VIACOMBO
:
1387 q
= snd_pci_quirk_lookup(chip
->pci
, position_fix_list
);
1389 dev_info(chip
->card
->dev
,
1390 "position_fix set to %d for device %04x:%04x\n",
1391 q
->value
, q
->subvendor
, q
->subdevice
);
1395 /* Check VIA/ATI HD Audio Controller exist */
1396 if (chip
->driver_type
== AZX_DRIVER_VIA
) {
1397 dev_dbg(chip
->card
->dev
, "Using VIACOMBO position fix\n");
1398 return POS_FIX_VIACOMBO
;
1400 if (chip
->driver_caps
& AZX_DCAPS_POSFIX_LPIB
) {
1401 dev_dbg(chip
->card
->dev
, "Using LPIB position fix\n");
1402 return POS_FIX_LPIB
;
1404 return POS_FIX_AUTO
;
1407 static void assign_position_fix(struct azx
*chip
, int fix
)
1409 static azx_get_pos_callback_t callbacks
[] = {
1410 [POS_FIX_AUTO
] = NULL
,
1411 [POS_FIX_LPIB
] = azx_get_pos_lpib
,
1412 [POS_FIX_POSBUF
] = azx_get_pos_posbuf
,
1413 [POS_FIX_VIACOMBO
] = azx_via_get_position
,
1414 [POS_FIX_COMBO
] = azx_get_pos_lpib
,
1417 chip
->get_position
[0] = chip
->get_position
[1] = callbacks
[fix
];
1419 /* combo mode uses LPIB only for playback */
1420 if (fix
== POS_FIX_COMBO
)
1421 chip
->get_position
[1] = NULL
;
1423 if (fix
== POS_FIX_POSBUF
&&
1424 (chip
->driver_caps
& AZX_DCAPS_COUNT_LPIB_DELAY
)) {
1425 chip
->get_delay
[0] = chip
->get_delay
[1] =
1426 azx_get_delay_from_lpib
;
1432 * black-lists for probe_mask
1434 static struct snd_pci_quirk probe_mask_list
[] = {
1435 /* Thinkpad often breaks the controller communication when accessing
1436 * to the non-working (or non-existing) modem codec slot.
1438 SND_PCI_QUIRK(0x1014, 0x05b7, "Thinkpad Z60", 0x01),
1439 SND_PCI_QUIRK(0x17aa, 0x2010, "Thinkpad X/T/R60", 0x01),
1440 SND_PCI_QUIRK(0x17aa, 0x20ac, "Thinkpad X/T/R61", 0x01),
1442 SND_PCI_QUIRK(0x1028, 0x20ac, "Dell Studio Desktop", 0x01),
1443 /* including bogus ALC268 in slot#2 that conflicts with ALC888 */
1444 SND_PCI_QUIRK(0x17c0, 0x4085, "Medion MD96630", 0x01),
1445 /* forced codec slots */
1446 SND_PCI_QUIRK(0x1043, 0x1262, "ASUS W5Fm", 0x103),
1447 SND_PCI_QUIRK(0x1046, 0x1262, "ASUS W5F", 0x103),
1448 /* WinFast VP200 H (Teradici) user reported broken communication */
1449 SND_PCI_QUIRK(0x3a21, 0x040d, "WinFast VP200 H", 0x101),
1453 #define AZX_FORCE_CODEC_MASK 0x100
1455 static void check_probe_mask(struct azx
*chip
, int dev
)
1457 const struct snd_pci_quirk
*q
;
1459 chip
->codec_probe_mask
= probe_mask
[dev
];
1460 if (chip
->codec_probe_mask
== -1) {
1461 q
= snd_pci_quirk_lookup(chip
->pci
, probe_mask_list
);
1463 dev_info(chip
->card
->dev
,
1464 "probe_mask set to 0x%x for device %04x:%04x\n",
1465 q
->value
, q
->subvendor
, q
->subdevice
);
1466 chip
->codec_probe_mask
= q
->value
;
1470 /* check forced option */
1471 if (chip
->codec_probe_mask
!= -1 &&
1472 (chip
->codec_probe_mask
& AZX_FORCE_CODEC_MASK
)) {
1473 azx_bus(chip
)->codec_mask
= chip
->codec_probe_mask
& 0xff;
1474 dev_info(chip
->card
->dev
, "codec_mask forced to 0x%x\n",
1475 (int)azx_bus(chip
)->codec_mask
);
1480 * white/black-list for enable_msi
1482 static struct snd_pci_quirk msi_black_list
[] = {
1483 SND_PCI_QUIRK(0x103c, 0x2191, "HP", 0), /* AMD Hudson */
1484 SND_PCI_QUIRK(0x103c, 0x2192, "HP", 0), /* AMD Hudson */
1485 SND_PCI_QUIRK(0x103c, 0x21f7, "HP", 0), /* AMD Hudson */
1486 SND_PCI_QUIRK(0x103c, 0x21fa, "HP", 0), /* AMD Hudson */
1487 SND_PCI_QUIRK(0x1043, 0x81f2, "ASUS", 0), /* Athlon64 X2 + nvidia */
1488 SND_PCI_QUIRK(0x1043, 0x81f6, "ASUS", 0), /* nvidia */
1489 SND_PCI_QUIRK(0x1043, 0x822d, "ASUS", 0), /* Athlon64 X2 + nvidia MCP55 */
1490 SND_PCI_QUIRK(0x1179, 0xfb44, "Toshiba Satellite C870", 0), /* AMD Hudson */
1491 SND_PCI_QUIRK(0x1849, 0x0888, "ASRock", 0), /* Athlon64 X2 + nvidia */
1492 SND_PCI_QUIRK(0xa0a0, 0x0575, "Aopen MZ915-M", 0), /* ICH6 */
1496 static void check_msi(struct azx
*chip
)
1498 const struct snd_pci_quirk
*q
;
1500 if (enable_msi
>= 0) {
1501 chip
->msi
= !!enable_msi
;
1504 chip
->msi
= 1; /* enable MSI as default */
1505 q
= snd_pci_quirk_lookup(chip
->pci
, msi_black_list
);
1507 dev_info(chip
->card
->dev
,
1508 "msi for device %04x:%04x set to %d\n",
1509 q
->subvendor
, q
->subdevice
, q
->value
);
1510 chip
->msi
= q
->value
;
1514 /* NVidia chipsets seem to cause troubles with MSI */
1515 if (chip
->driver_caps
& AZX_DCAPS_NO_MSI
) {
1516 dev_info(chip
->card
->dev
, "Disabling MSI\n");
1521 /* check the snoop mode availability */
1522 static void azx_check_snoop_available(struct azx
*chip
)
1524 int snoop
= hda_snoop
;
1527 dev_info(chip
->card
->dev
, "Force to %s mode by module option\n",
1528 snoop
? "snoop" : "non-snoop");
1529 chip
->snoop
= snoop
;
1534 if (azx_get_snoop_type(chip
) == AZX_SNOOP_TYPE_NONE
&&
1535 chip
->driver_type
== AZX_DRIVER_VIA
) {
1536 /* force to non-snoop mode for a new VIA controller
1540 pci_read_config_byte(chip
->pci
, 0x42, &val
);
1541 if (!(val
& 0x80) && chip
->pci
->revision
== 0x30)
1545 if (chip
->driver_caps
& AZX_DCAPS_SNOOP_OFF
)
1548 chip
->snoop
= snoop
;
1550 dev_info(chip
->card
->dev
, "Force to non-snoop mode\n");
1553 static void azx_probe_work(struct work_struct
*work
)
1555 struct hda_intel
*hda
= container_of(work
, struct hda_intel
, probe_work
);
1556 azx_probe_continue(&hda
->chip
);
1559 static int default_bdl_pos_adj(struct azx
*chip
)
1561 /* some exceptions: Atoms seem problematic with value 1 */
1562 if (chip
->pci
->vendor
== PCI_VENDOR_ID_INTEL
) {
1563 switch (chip
->pci
->device
) {
1564 case 0x0f04: /* Baytrail */
1565 case 0x2284: /* Braswell */
1570 switch (chip
->driver_type
) {
1571 case AZX_DRIVER_ICH
:
1572 case AZX_DRIVER_PCH
:
1582 static const struct hdac_io_ops pci_hda_io_ops
;
1583 static const struct hda_controller_ops pci_hda_ops
;
1585 static int azx_create(struct snd_card
*card
, struct pci_dev
*pci
,
1586 int dev
, unsigned int driver_caps
,
1589 static struct snd_device_ops ops
= {
1590 .dev_disconnect
= azx_dev_disconnect
,
1591 .dev_free
= azx_dev_free
,
1593 struct hda_intel
*hda
;
1599 err
= pci_enable_device(pci
);
1603 hda
= kzalloc(sizeof(*hda
), GFP_KERNEL
);
1605 pci_disable_device(pci
);
1610 mutex_init(&chip
->open_mutex
);
1613 chip
->ops
= &pci_hda_ops
;
1614 chip
->driver_caps
= driver_caps
;
1615 chip
->driver_type
= driver_caps
& 0xff;
1617 chip
->dev_index
= dev
;
1618 chip
->jackpoll_ms
= jackpoll_ms
;
1619 INIT_LIST_HEAD(&chip
->pcm_list
);
1620 INIT_WORK(&hda
->irq_pending_work
, azx_irq_pending_work
);
1621 INIT_LIST_HEAD(&hda
->list
);
1622 init_vga_switcheroo(chip
);
1623 init_completion(&hda
->probe_wait
);
1625 assign_position_fix(chip
, check_position_fix(chip
, position_fix
[dev
]));
1627 check_probe_mask(chip
, dev
);
1629 chip
->single_cmd
= single_cmd
;
1630 azx_check_snoop_available(chip
);
1632 if (bdl_pos_adj
[dev
] < 0)
1633 chip
->bdl_pos_adj
= default_bdl_pos_adj(chip
);
1635 chip
->bdl_pos_adj
= bdl_pos_adj
[dev
];
1637 err
= azx_bus_init(chip
, model
[dev
], &pci_hda_io_ops
);
1640 pci_disable_device(pci
);
1644 if (chip
->driver_type
== AZX_DRIVER_NVIDIA
) {
1645 dev_dbg(chip
->card
->dev
, "Enable delay in RIRB handling\n");
1646 chip
->bus
.needs_damn_long_delay
= 1;
1649 err
= snd_device_new(card
, SNDRV_DEV_LOWLEVEL
, chip
, &ops
);
1651 dev_err(card
->dev
, "Error creating device [card]!\n");
1656 /* continue probing in work context as may trigger request module */
1657 INIT_WORK(&hda
->probe_work
, azx_probe_work
);
1664 static int azx_first_init(struct azx
*chip
)
1666 int dev
= chip
->dev_index
;
1667 struct pci_dev
*pci
= chip
->pci
;
1668 struct snd_card
*card
= chip
->card
;
1669 struct hdac_bus
*bus
= azx_bus(chip
);
1671 unsigned short gcap
;
1672 unsigned int dma_bits
= 64;
1674 #if BITS_PER_LONG != 64
1675 /* Fix up base address on ULI M5461 */
1676 if (chip
->driver_type
== AZX_DRIVER_ULI
) {
1678 pci_read_config_word(pci
, 0x40, &tmp3
);
1679 pci_write_config_word(pci
, 0x40, tmp3
| 0x10);
1680 pci_write_config_dword(pci
, PCI_BASE_ADDRESS_1
, 0);
1684 err
= pci_request_regions(pci
, "ICH HD audio");
1687 chip
->region_requested
= 1;
1689 bus
->addr
= pci_resource_start(pci
, 0);
1690 bus
->remap_addr
= pci_ioremap_bar(pci
, 0);
1691 if (bus
->remap_addr
== NULL
) {
1692 dev_err(card
->dev
, "ioremap error\n");
1697 if (chip
->driver_caps
& AZX_DCAPS_NO_MSI64
) {
1698 dev_dbg(card
->dev
, "Disabling 64bit MSI\n");
1699 pci
->no_64bit_msi
= true;
1701 if (pci_enable_msi(pci
) < 0)
1705 if (azx_acquire_irq(chip
, 0) < 0)
1708 pci_set_master(pci
);
1709 synchronize_irq(bus
->irq
);
1711 gcap
= azx_readw(chip
, GCAP
);
1712 dev_dbg(card
->dev
, "chipset global capabilities = 0x%x\n", gcap
);
1714 /* AMD devices support 40 or 48bit DMA, take the safe one */
1715 if (chip
->pci
->vendor
== PCI_VENDOR_ID_AMD
)
1718 /* disable SB600 64bit support for safety */
1719 if (chip
->pci
->vendor
== PCI_VENDOR_ID_ATI
) {
1720 struct pci_dev
*p_smbus
;
1722 p_smbus
= pci_get_device(PCI_VENDOR_ID_ATI
,
1723 PCI_DEVICE_ID_ATI_SBX00_SMBUS
,
1726 if (p_smbus
->revision
< 0x30)
1727 gcap
&= ~AZX_GCAP_64OK
;
1728 pci_dev_put(p_smbus
);
1732 /* disable 64bit DMA address on some devices */
1733 if (chip
->driver_caps
& AZX_DCAPS_NO_64BIT
) {
1734 dev_dbg(card
->dev
, "Disabling 64bit DMA\n");
1735 gcap
&= ~AZX_GCAP_64OK
;
1738 /* disable buffer size rounding to 128-byte multiples if supported */
1739 if (align_buffer_size
>= 0)
1740 chip
->align_buffer_size
= !!align_buffer_size
;
1742 if (chip
->driver_caps
& AZX_DCAPS_NO_ALIGN_BUFSIZE
)
1743 chip
->align_buffer_size
= 0;
1745 chip
->align_buffer_size
= 1;
1748 /* allow 64bit DMA address if supported by H/W */
1749 if (!(gcap
& AZX_GCAP_64OK
))
1751 if (!dma_set_mask(&pci
->dev
, DMA_BIT_MASK(dma_bits
))) {
1752 dma_set_coherent_mask(&pci
->dev
, DMA_BIT_MASK(dma_bits
));
1754 dma_set_mask(&pci
->dev
, DMA_BIT_MASK(32));
1755 dma_set_coherent_mask(&pci
->dev
, DMA_BIT_MASK(32));
1758 /* read number of streams from GCAP register instead of using
1761 chip
->capture_streams
= (gcap
>> 8) & 0x0f;
1762 chip
->playback_streams
= (gcap
>> 12) & 0x0f;
1763 if (!chip
->playback_streams
&& !chip
->capture_streams
) {
1764 /* gcap didn't give any info, switching to old method */
1766 switch (chip
->driver_type
) {
1767 case AZX_DRIVER_ULI
:
1768 chip
->playback_streams
= ULI_NUM_PLAYBACK
;
1769 chip
->capture_streams
= ULI_NUM_CAPTURE
;
1771 case AZX_DRIVER_ATIHDMI
:
1772 case AZX_DRIVER_ATIHDMI_NS
:
1773 chip
->playback_streams
= ATIHDMI_NUM_PLAYBACK
;
1774 chip
->capture_streams
= ATIHDMI_NUM_CAPTURE
;
1776 case AZX_DRIVER_GENERIC
:
1778 chip
->playback_streams
= ICH6_NUM_PLAYBACK
;
1779 chip
->capture_streams
= ICH6_NUM_CAPTURE
;
1783 chip
->capture_index_offset
= 0;
1784 chip
->playback_index_offset
= chip
->capture_streams
;
1785 chip
->num_streams
= chip
->playback_streams
+ chip
->capture_streams
;
1787 /* initialize streams */
1788 err
= azx_init_streams(chip
);
1792 err
= azx_alloc_stream_pages(chip
);
1796 /* initialize chip */
1799 if (chip
->driver_caps
& AZX_DCAPS_I915_POWERWELL
) {
1800 struct hda_intel
*hda
;
1802 hda
= container_of(chip
, struct hda_intel
, chip
);
1803 haswell_set_bclk(hda
);
1806 hda_intel_init_chip(chip
, (probe_only
[dev
] & 2) == 0);
1808 /* codec detection */
1809 if (!azx_bus(chip
)->codec_mask
) {
1810 dev_err(card
->dev
, "no codecs found!\n");
1814 strcpy(card
->driver
, "HDA-Intel");
1815 strlcpy(card
->shortname
, driver_short_names
[chip
->driver_type
],
1816 sizeof(card
->shortname
));
1817 snprintf(card
->longname
, sizeof(card
->longname
),
1818 "%s at 0x%lx irq %i",
1819 card
->shortname
, bus
->addr
, bus
->irq
);
1824 #ifdef CONFIG_SND_HDA_PATCH_LOADER
1825 /* callback from request_firmware_nowait() */
1826 static void azx_firmware_cb(const struct firmware
*fw
, void *context
)
1828 struct snd_card
*card
= context
;
1829 struct azx
*chip
= card
->private_data
;
1830 struct pci_dev
*pci
= chip
->pci
;
1833 dev_err(card
->dev
, "Cannot load firmware, aborting\n");
1838 if (!chip
->disabled
) {
1839 /* continue probing */
1840 if (azx_probe_continue(chip
))
1846 snd_card_free(card
);
1847 pci_set_drvdata(pci
, NULL
);
1852 * HDA controller ops.
1855 /* PCI register access. */
1856 static void pci_azx_writel(u32 value
, u32 __iomem
*addr
)
1858 writel(value
, addr
);
1861 static u32
pci_azx_readl(u32 __iomem
*addr
)
1866 static void pci_azx_writew(u16 value
, u16 __iomem
*addr
)
1868 writew(value
, addr
);
1871 static u16
pci_azx_readw(u16 __iomem
*addr
)
1876 static void pci_azx_writeb(u8 value
, u8 __iomem
*addr
)
1878 writeb(value
, addr
);
1881 static u8
pci_azx_readb(u8 __iomem
*addr
)
1886 static int disable_msi_reset_irq(struct azx
*chip
)
1888 struct hdac_bus
*bus
= azx_bus(chip
);
1891 free_irq(bus
->irq
, chip
);
1893 pci_disable_msi(chip
->pci
);
1895 err
= azx_acquire_irq(chip
, 1);
1902 /* DMA page allocation helpers. */
1903 static int dma_alloc_pages(struct hdac_bus
*bus
,
1906 struct snd_dma_buffer
*buf
)
1908 struct azx
*chip
= bus_to_azx(bus
);
1911 err
= snd_dma_alloc_pages(type
,
1916 mark_pages_wc(chip
, buf
, true);
1920 static void dma_free_pages(struct hdac_bus
*bus
, struct snd_dma_buffer
*buf
)
1922 struct azx
*chip
= bus_to_azx(bus
);
1924 mark_pages_wc(chip
, buf
, false);
1925 snd_dma_free_pages(buf
);
1928 static int substream_alloc_pages(struct azx
*chip
,
1929 struct snd_pcm_substream
*substream
,
1932 struct azx_dev
*azx_dev
= get_azx_dev(substream
);
1935 mark_runtime_wc(chip
, azx_dev
, substream
, false);
1936 ret
= snd_pcm_lib_malloc_pages(substream
, size
);
1939 mark_runtime_wc(chip
, azx_dev
, substream
, true);
1943 static int substream_free_pages(struct azx
*chip
,
1944 struct snd_pcm_substream
*substream
)
1946 struct azx_dev
*azx_dev
= get_azx_dev(substream
);
1947 mark_runtime_wc(chip
, azx_dev
, substream
, false);
1948 return snd_pcm_lib_free_pages(substream
);
1951 static void pcm_mmap_prepare(struct snd_pcm_substream
*substream
,
1952 struct vm_area_struct
*area
)
1955 struct azx_pcm
*apcm
= snd_pcm_substream_chip(substream
);
1956 struct azx
*chip
= apcm
->chip
;
1957 if (!azx_snoop(chip
) && chip
->driver_type
!= AZX_DRIVER_CMEDIA
)
1958 area
->vm_page_prot
= pgprot_writecombine(area
->vm_page_prot
);
1962 static const struct hdac_io_ops pci_hda_io_ops
= {
1963 .reg_writel
= pci_azx_writel
,
1964 .reg_readl
= pci_azx_readl
,
1965 .reg_writew
= pci_azx_writew
,
1966 .reg_readw
= pci_azx_readw
,
1967 .reg_writeb
= pci_azx_writeb
,
1968 .reg_readb
= pci_azx_readb
,
1969 .dma_alloc_pages
= dma_alloc_pages
,
1970 .dma_free_pages
= dma_free_pages
,
1973 static const struct hda_controller_ops pci_hda_ops
= {
1974 .disable_msi_reset_irq
= disable_msi_reset_irq
,
1975 .substream_alloc_pages
= substream_alloc_pages
,
1976 .substream_free_pages
= substream_free_pages
,
1977 .pcm_mmap_prepare
= pcm_mmap_prepare
,
1978 .position_check
= azx_position_check
,
1979 .link_power
= azx_intel_link_power
,
1982 static int azx_probe(struct pci_dev
*pci
,
1983 const struct pci_device_id
*pci_id
)
1986 struct snd_card
*card
;
1987 struct hda_intel
*hda
;
1989 bool schedule_probe
;
1992 if (dev
>= SNDRV_CARDS
)
1999 err
= snd_card_new(&pci
->dev
, index
[dev
], id
[dev
], THIS_MODULE
,
2002 dev_err(&pci
->dev
, "Error creating card!\n");
2006 err
= azx_create(card
, pci
, dev
, pci_id
->driver_data
, &chip
);
2009 card
->private_data
= chip
;
2010 hda
= container_of(chip
, struct hda_intel
, chip
);
2012 pci_set_drvdata(pci
, card
);
2014 err
= register_vga_switcheroo(chip
);
2016 dev_err(card
->dev
, "Error registering vga_switcheroo client\n");
2020 if (check_hdmi_disabled(pci
)) {
2021 dev_info(card
->dev
, "VGA controller is disabled\n");
2022 dev_info(card
->dev
, "Delaying initialization\n");
2023 chip
->disabled
= true;
2026 schedule_probe
= !chip
->disabled
;
2028 #ifdef CONFIG_SND_HDA_PATCH_LOADER
2029 if (patch
[dev
] && *patch
[dev
]) {
2030 dev_info(card
->dev
, "Applying patch firmware '%s'\n",
2032 err
= request_firmware_nowait(THIS_MODULE
, true, patch
[dev
],
2033 &pci
->dev
, GFP_KERNEL
, card
,
2037 schedule_probe
= false; /* continued in azx_firmware_cb() */
2039 #endif /* CONFIG_SND_HDA_PATCH_LOADER */
2041 #ifndef CONFIG_SND_HDA_I915
2042 if (CONTROLLER_IN_GPU(pci
))
2043 dev_err(card
->dev
, "Haswell/Broadwell HDMI/DP must build in CONFIG_SND_HDA_I915\n");
2047 schedule_work(&hda
->probe_work
);
2051 complete_all(&hda
->probe_wait
);
2055 snd_card_free(card
);
2059 /* number of codec slots for each chipset: 0 = default slots (i.e. 4) */
2060 static unsigned int azx_max_codecs
[AZX_NUM_DRIVERS
] = {
2061 [AZX_DRIVER_NVIDIA
] = 8,
2062 [AZX_DRIVER_TERA
] = 1,
2065 static int azx_probe_continue(struct azx
*chip
)
2067 struct hda_intel
*hda
= container_of(chip
, struct hda_intel
, chip
);
2068 struct hdac_bus
*bus
= azx_bus(chip
);
2069 struct pci_dev
*pci
= chip
->pci
;
2070 int dev
= chip
->dev_index
;
2073 hda
->probe_continued
= 1;
2075 /* Request display power well for the HDA controller or codec. For
2076 * Haswell/Broadwell, both the display HDA controller and codec need
2077 * this power. For other platforms, like Baytrail/Braswell, only the
2078 * display codec needs the power and it can be released after probe.
2080 if (chip
->driver_caps
& AZX_DCAPS_I915_POWERWELL
) {
2081 /* HSW/BDW controllers need this power */
2082 if (CONTROLLER_IN_GPU(pci
))
2083 hda
->need_i915_power
= 1;
2085 err
= snd_hdac_i915_init(bus
);
2087 /* if the controller is bound only with HDMI/DP
2088 * (for HSW and BDW), we need to abort the probe;
2089 * for other chips, still continue probing as other
2090 * codecs can be on the same link.
2092 if (CONTROLLER_IN_GPU(pci
)) {
2093 dev_err(chip
->card
->dev
,
2094 "HSW/BDW HD-audio HDMI/DP requires binding with gfx driver\n");
2100 err
= snd_hdac_display_power(bus
, true);
2102 dev_err(chip
->card
->dev
,
2103 "Cannot turn on display power on i915\n");
2104 goto i915_power_fail
;
2109 err
= azx_first_init(chip
);
2113 #ifdef CONFIG_SND_HDA_INPUT_BEEP
2114 chip
->beep_mode
= beep_mode
[dev
];
2117 /* create codec instances */
2118 err
= azx_probe_codecs(chip
, azx_max_codecs
[chip
->driver_type
]);
2122 #ifdef CONFIG_SND_HDA_PATCH_LOADER
2124 err
= snd_hda_load_patch(&chip
->bus
, chip
->fw
->size
,
2129 release_firmware(chip
->fw
); /* no longer needed */
2134 if ((probe_only
[dev
] & 1) == 0) {
2135 err
= azx_codec_configure(chip
);
2140 err
= snd_card_register(chip
->card
);
2145 azx_add_card_list(chip
);
2146 snd_hda_set_power_save(&chip
->bus
, power_save
* 1000);
2147 if (azx_has_pm_runtime(chip
) || hda
->use_vga_switcheroo
)
2148 pm_runtime_put_noidle(&pci
->dev
);
2151 if (chip
->driver_caps
& AZX_DCAPS_I915_POWERWELL
2152 && !hda
->need_i915_power
)
2153 snd_hdac_display_power(bus
, false);
2157 hda
->init_failed
= 1;
2158 complete_all(&hda
->probe_wait
);
2162 static void azx_remove(struct pci_dev
*pci
)
2164 struct snd_card
*card
= pci_get_drvdata(pci
);
2166 struct hda_intel
*hda
;
2169 /* cancel the pending probing work */
2170 chip
= card
->private_data
;
2171 hda
= container_of(chip
, struct hda_intel
, chip
);
2172 cancel_work_sync(&hda
->probe_work
);
2174 snd_card_free(card
);
2178 static void azx_shutdown(struct pci_dev
*pci
)
2180 struct snd_card
*card
= pci_get_drvdata(pci
);
2185 chip
= card
->private_data
;
2186 if (chip
&& chip
->running
)
2187 azx_stop_chip(chip
);
2191 static const struct pci_device_id azx_ids
[] = {
2193 { PCI_DEVICE(0x8086, 0x1c20),
2194 .driver_data
= AZX_DRIVER_PCH
| AZX_DCAPS_INTEL_PCH_NOPM
},
2196 { PCI_DEVICE(0x8086, 0x1d20),
2197 .driver_data
= AZX_DRIVER_PCH
| AZX_DCAPS_INTEL_PCH_NOPM
},
2199 { PCI_DEVICE(0x8086, 0x1e20),
2200 .driver_data
= AZX_DRIVER_PCH
| AZX_DCAPS_INTEL_PCH_NOPM
},
2202 { PCI_DEVICE(0x8086, 0x8c20),
2203 .driver_data
= AZX_DRIVER_PCH
| AZX_DCAPS_INTEL_PCH
},
2205 { PCI_DEVICE(0x8086, 0x8ca0),
2206 .driver_data
= AZX_DRIVER_PCH
| AZX_DCAPS_INTEL_PCH
},
2208 { PCI_DEVICE(0x8086, 0x8d20),
2209 .driver_data
= AZX_DRIVER_PCH
| AZX_DCAPS_INTEL_PCH
},
2210 { PCI_DEVICE(0x8086, 0x8d21),
2211 .driver_data
= AZX_DRIVER_PCH
| AZX_DCAPS_INTEL_PCH
},
2213 { PCI_DEVICE(0x8086, 0xa1f0),
2214 .driver_data
= AZX_DRIVER_PCH
| AZX_DCAPS_INTEL_PCH
},
2215 { PCI_DEVICE(0x8086, 0xa270),
2216 .driver_data
= AZX_DRIVER_PCH
| AZX_DCAPS_INTEL_PCH
},
2218 { PCI_DEVICE(0x8086, 0x9c20),
2219 .driver_data
= AZX_DRIVER_PCH
| AZX_DCAPS_INTEL_PCH
},
2221 { PCI_DEVICE(0x8086, 0x9c21),
2222 .driver_data
= AZX_DRIVER_PCH
| AZX_DCAPS_INTEL_PCH
},
2223 /* Wildcat Point-LP */
2224 { PCI_DEVICE(0x8086, 0x9ca0),
2225 .driver_data
= AZX_DRIVER_PCH
| AZX_DCAPS_INTEL_PCH
},
2227 { PCI_DEVICE(0x8086, 0xa170),
2228 .driver_data
= AZX_DRIVER_PCH
| AZX_DCAPS_INTEL_SKYLAKE
},
2229 /* Sunrise Point-LP */
2230 { PCI_DEVICE(0x8086, 0x9d70),
2231 .driver_data
= AZX_DRIVER_PCH
| AZX_DCAPS_INTEL_SKYLAKE
},
2232 /* Broxton-P(Apollolake) */
2233 { PCI_DEVICE(0x8086, 0x5a98),
2234 .driver_data
= AZX_DRIVER_PCH
| AZX_DCAPS_INTEL_BROXTON
},
2236 { PCI_DEVICE(0x8086, 0x0a0c),
2237 .driver_data
= AZX_DRIVER_HDMI
| AZX_DCAPS_INTEL_HASWELL
},
2238 { PCI_DEVICE(0x8086, 0x0c0c),
2239 .driver_data
= AZX_DRIVER_HDMI
| AZX_DCAPS_INTEL_HASWELL
},
2240 { PCI_DEVICE(0x8086, 0x0d0c),
2241 .driver_data
= AZX_DRIVER_HDMI
| AZX_DCAPS_INTEL_HASWELL
},
2243 { PCI_DEVICE(0x8086, 0x160c),
2244 .driver_data
= AZX_DRIVER_HDMI
| AZX_DCAPS_INTEL_BROADWELL
},
2246 { PCI_DEVICE(0x8086, 0x3b56),
2247 .driver_data
= AZX_DRIVER_SCH
| AZX_DCAPS_INTEL_PCH_NOPM
},
2249 { PCI_DEVICE(0x8086, 0x811b),
2250 .driver_data
= AZX_DRIVER_SCH
| AZX_DCAPS_INTEL_PCH_BASE
},
2252 { PCI_DEVICE(0x8086, 0x080a),
2253 .driver_data
= AZX_DRIVER_SCH
| AZX_DCAPS_INTEL_PCH_BASE
},
2255 { PCI_DEVICE(0x8086, 0x0f04),
2256 .driver_data
= AZX_DRIVER_PCH
| AZX_DCAPS_INTEL_BAYTRAIL
},
2258 { PCI_DEVICE(0x8086, 0x2284),
2259 .driver_data
= AZX_DRIVER_PCH
| AZX_DCAPS_INTEL_BRASWELL
},
2261 { PCI_DEVICE(0x8086, 0x2668),
2262 .driver_data
= AZX_DRIVER_ICH
| AZX_DCAPS_INTEL_ICH
},
2264 { PCI_DEVICE(0x8086, 0x27d8),
2265 .driver_data
= AZX_DRIVER_ICH
| AZX_DCAPS_INTEL_ICH
},
2267 { PCI_DEVICE(0x8086, 0x269a),
2268 .driver_data
= AZX_DRIVER_ICH
| AZX_DCAPS_INTEL_ICH
},
2270 { PCI_DEVICE(0x8086, 0x284b),
2271 .driver_data
= AZX_DRIVER_ICH
| AZX_DCAPS_INTEL_ICH
},
2273 { PCI_DEVICE(0x8086, 0x293e),
2274 .driver_data
= AZX_DRIVER_ICH
| AZX_DCAPS_INTEL_ICH
},
2276 { PCI_DEVICE(0x8086, 0x293f),
2277 .driver_data
= AZX_DRIVER_ICH
| AZX_DCAPS_INTEL_ICH
},
2279 { PCI_DEVICE(0x8086, 0x3a3e),
2280 .driver_data
= AZX_DRIVER_ICH
| AZX_DCAPS_INTEL_ICH
},
2282 { PCI_DEVICE(0x8086, 0x3a6e),
2283 .driver_data
= AZX_DRIVER_ICH
| AZX_DCAPS_INTEL_ICH
},
2285 { PCI_DEVICE(PCI_VENDOR_ID_INTEL
, PCI_ANY_ID
),
2286 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO
<< 8,
2287 .class_mask
= 0xffffff,
2288 .driver_data
= AZX_DRIVER_ICH
| AZX_DCAPS_NO_ALIGN_BUFSIZE
},
2289 /* ATI SB 450/600/700/800/900 */
2290 { PCI_DEVICE(0x1002, 0x437b),
2291 .driver_data
= AZX_DRIVER_ATI
| AZX_DCAPS_PRESET_ATI_SB
},
2292 { PCI_DEVICE(0x1002, 0x4383),
2293 .driver_data
= AZX_DRIVER_ATI
| AZX_DCAPS_PRESET_ATI_SB
},
2295 { PCI_DEVICE(0x1022, 0x780d),
2296 .driver_data
= AZX_DRIVER_GENERIC
| AZX_DCAPS_PRESET_ATI_SB
},
2298 { PCI_DEVICE(0x1002, 0x1308),
2299 .driver_data
= AZX_DRIVER_ATIHDMI_NS
| AZX_DCAPS_PRESET_ATI_HDMI_NS
},
2300 { PCI_DEVICE(0x1002, 0x157a),
2301 .driver_data
= AZX_DRIVER_ATIHDMI_NS
| AZX_DCAPS_PRESET_ATI_HDMI_NS
},
2302 { PCI_DEVICE(0x1002, 0x793b),
2303 .driver_data
= AZX_DRIVER_ATIHDMI
| AZX_DCAPS_PRESET_ATI_HDMI
},
2304 { PCI_DEVICE(0x1002, 0x7919),
2305 .driver_data
= AZX_DRIVER_ATIHDMI
| AZX_DCAPS_PRESET_ATI_HDMI
},
2306 { PCI_DEVICE(0x1002, 0x960f),
2307 .driver_data
= AZX_DRIVER_ATIHDMI
| AZX_DCAPS_PRESET_ATI_HDMI
},
2308 { PCI_DEVICE(0x1002, 0x970f),
2309 .driver_data
= AZX_DRIVER_ATIHDMI
| AZX_DCAPS_PRESET_ATI_HDMI
},
2310 { PCI_DEVICE(0x1002, 0x9840),
2311 .driver_data
= AZX_DRIVER_ATIHDMI_NS
| AZX_DCAPS_PRESET_ATI_HDMI_NS
},
2312 { PCI_DEVICE(0x1002, 0xaa00),
2313 .driver_data
= AZX_DRIVER_ATIHDMI
| AZX_DCAPS_PRESET_ATI_HDMI
},
2314 { PCI_DEVICE(0x1002, 0xaa08),
2315 .driver_data
= AZX_DRIVER_ATIHDMI
| AZX_DCAPS_PRESET_ATI_HDMI
},
2316 { PCI_DEVICE(0x1002, 0xaa10),
2317 .driver_data
= AZX_DRIVER_ATIHDMI
| AZX_DCAPS_PRESET_ATI_HDMI
},
2318 { PCI_DEVICE(0x1002, 0xaa18),
2319 .driver_data
= AZX_DRIVER_ATIHDMI
| AZX_DCAPS_PRESET_ATI_HDMI
},
2320 { PCI_DEVICE(0x1002, 0xaa20),
2321 .driver_data
= AZX_DRIVER_ATIHDMI
| AZX_DCAPS_PRESET_ATI_HDMI
},
2322 { PCI_DEVICE(0x1002, 0xaa28),
2323 .driver_data
= AZX_DRIVER_ATIHDMI
| AZX_DCAPS_PRESET_ATI_HDMI
},
2324 { PCI_DEVICE(0x1002, 0xaa30),
2325 .driver_data
= AZX_DRIVER_ATIHDMI
| AZX_DCAPS_PRESET_ATI_HDMI
},
2326 { PCI_DEVICE(0x1002, 0xaa38),
2327 .driver_data
= AZX_DRIVER_ATIHDMI
| AZX_DCAPS_PRESET_ATI_HDMI
},
2328 { PCI_DEVICE(0x1002, 0xaa40),
2329 .driver_data
= AZX_DRIVER_ATIHDMI
| AZX_DCAPS_PRESET_ATI_HDMI
},
2330 { PCI_DEVICE(0x1002, 0xaa48),
2331 .driver_data
= AZX_DRIVER_ATIHDMI
| AZX_DCAPS_PRESET_ATI_HDMI
},
2332 { PCI_DEVICE(0x1002, 0xaa50),
2333 .driver_data
= AZX_DRIVER_ATIHDMI
| AZX_DCAPS_PRESET_ATI_HDMI
},
2334 { PCI_DEVICE(0x1002, 0xaa58),
2335 .driver_data
= AZX_DRIVER_ATIHDMI
| AZX_DCAPS_PRESET_ATI_HDMI
},
2336 { PCI_DEVICE(0x1002, 0xaa60),
2337 .driver_data
= AZX_DRIVER_ATIHDMI
| AZX_DCAPS_PRESET_ATI_HDMI
},
2338 { PCI_DEVICE(0x1002, 0xaa68),
2339 .driver_data
= AZX_DRIVER_ATIHDMI
| AZX_DCAPS_PRESET_ATI_HDMI
},
2340 { PCI_DEVICE(0x1002, 0xaa80),
2341 .driver_data
= AZX_DRIVER_ATIHDMI
| AZX_DCAPS_PRESET_ATI_HDMI
},
2342 { PCI_DEVICE(0x1002, 0xaa88),
2343 .driver_data
= AZX_DRIVER_ATIHDMI
| AZX_DCAPS_PRESET_ATI_HDMI
},
2344 { PCI_DEVICE(0x1002, 0xaa90),
2345 .driver_data
= AZX_DRIVER_ATIHDMI
| AZX_DCAPS_PRESET_ATI_HDMI
},
2346 { PCI_DEVICE(0x1002, 0xaa98),
2347 .driver_data
= AZX_DRIVER_ATIHDMI
| AZX_DCAPS_PRESET_ATI_HDMI
},
2348 { PCI_DEVICE(0x1002, 0x9902),
2349 .driver_data
= AZX_DRIVER_ATIHDMI_NS
| AZX_DCAPS_PRESET_ATI_HDMI_NS
},
2350 { PCI_DEVICE(0x1002, 0xaaa0),
2351 .driver_data
= AZX_DRIVER_ATIHDMI_NS
| AZX_DCAPS_PRESET_ATI_HDMI_NS
},
2352 { PCI_DEVICE(0x1002, 0xaaa8),
2353 .driver_data
= AZX_DRIVER_ATIHDMI_NS
| AZX_DCAPS_PRESET_ATI_HDMI_NS
},
2354 { PCI_DEVICE(0x1002, 0xaab0),
2355 .driver_data
= AZX_DRIVER_ATIHDMI_NS
| AZX_DCAPS_PRESET_ATI_HDMI_NS
},
2356 { PCI_DEVICE(0x1002, 0xaac0),
2357 .driver_data
= AZX_DRIVER_ATIHDMI_NS
| AZX_DCAPS_PRESET_ATI_HDMI_NS
},
2358 { PCI_DEVICE(0x1002, 0xaac8),
2359 .driver_data
= AZX_DRIVER_ATIHDMI_NS
| AZX_DCAPS_PRESET_ATI_HDMI_NS
},
2360 { PCI_DEVICE(0x1002, 0xaad8),
2361 .driver_data
= AZX_DRIVER_ATIHDMI_NS
| AZX_DCAPS_PRESET_ATI_HDMI_NS
},
2362 { PCI_DEVICE(0x1002, 0xaae8),
2363 .driver_data
= AZX_DRIVER_ATIHDMI_NS
| AZX_DCAPS_PRESET_ATI_HDMI_NS
},
2364 /* VIA VT8251/VT8237A */
2365 { PCI_DEVICE(0x1106, 0x3288), .driver_data
= AZX_DRIVER_VIA
},
2366 /* VIA GFX VT7122/VX900 */
2367 { PCI_DEVICE(0x1106, 0x9170), .driver_data
= AZX_DRIVER_GENERIC
},
2368 /* VIA GFX VT6122/VX11 */
2369 { PCI_DEVICE(0x1106, 0x9140), .driver_data
= AZX_DRIVER_GENERIC
},
2371 { PCI_DEVICE(0x1039, 0x7502), .driver_data
= AZX_DRIVER_SIS
},
2373 { PCI_DEVICE(0x10b9, 0x5461), .driver_data
= AZX_DRIVER_ULI
},
2375 { PCI_DEVICE(PCI_VENDOR_ID_NVIDIA
, PCI_ANY_ID
),
2376 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO
<< 8,
2377 .class_mask
= 0xffffff,
2378 .driver_data
= AZX_DRIVER_NVIDIA
| AZX_DCAPS_PRESET_NVIDIA
},
2380 { PCI_DEVICE(0x6549, 0x1200),
2381 .driver_data
= AZX_DRIVER_TERA
| AZX_DCAPS_NO_64BIT
},
2382 { PCI_DEVICE(0x6549, 0x2200),
2383 .driver_data
= AZX_DRIVER_TERA
| AZX_DCAPS_NO_64BIT
},
2384 /* Creative X-Fi (CA0110-IBG) */
2386 { PCI_DEVICE(0x1102, 0x0010),
2387 .driver_data
= AZX_DRIVER_CTHDA
| AZX_DCAPS_PRESET_CTHDA
},
2388 { PCI_DEVICE(0x1102, 0x0012),
2389 .driver_data
= AZX_DRIVER_CTHDA
| AZX_DCAPS_PRESET_CTHDA
},
2390 #if !IS_ENABLED(CONFIG_SND_CTXFI)
2391 /* the following entry conflicts with snd-ctxfi driver,
2392 * as ctxfi driver mutates from HD-audio to native mode with
2393 * a special command sequence.
2395 { PCI_DEVICE(PCI_VENDOR_ID_CREATIVE
, PCI_ANY_ID
),
2396 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO
<< 8,
2397 .class_mask
= 0xffffff,
2398 .driver_data
= AZX_DRIVER_CTX
| AZX_DCAPS_CTX_WORKAROUND
|
2399 AZX_DCAPS_NO_64BIT
| AZX_DCAPS_POSFIX_LPIB
},
2401 /* this entry seems still valid -- i.e. without emu20kx chip */
2402 { PCI_DEVICE(0x1102, 0x0009),
2403 .driver_data
= AZX_DRIVER_CTX
| AZX_DCAPS_CTX_WORKAROUND
|
2404 AZX_DCAPS_NO_64BIT
| AZX_DCAPS_POSFIX_LPIB
},
2407 { PCI_DEVICE(0x13f6, 0x5011),
2408 .driver_data
= AZX_DRIVER_CMEDIA
|
2409 AZX_DCAPS_NO_MSI
| AZX_DCAPS_POSFIX_LPIB
| AZX_DCAPS_SNOOP_OFF
},
2411 { PCI_DEVICE(0x17f3, 0x3010), .driver_data
= AZX_DRIVER_GENERIC
},
2412 /* VMware HDAudio */
2413 { PCI_DEVICE(0x15ad, 0x1977), .driver_data
= AZX_DRIVER_GENERIC
},
2414 /* AMD/ATI Generic, PCI class code and Vendor ID for HD Audio */
2415 { PCI_DEVICE(PCI_VENDOR_ID_ATI
, PCI_ANY_ID
),
2416 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO
<< 8,
2417 .class_mask
= 0xffffff,
2418 .driver_data
= AZX_DRIVER_GENERIC
| AZX_DCAPS_PRESET_ATI_HDMI
},
2419 { PCI_DEVICE(PCI_VENDOR_ID_AMD
, PCI_ANY_ID
),
2420 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO
<< 8,
2421 .class_mask
= 0xffffff,
2422 .driver_data
= AZX_DRIVER_GENERIC
| AZX_DCAPS_PRESET_ATI_HDMI
},
2425 MODULE_DEVICE_TABLE(pci
, azx_ids
);
2427 /* pci_driver definition */
2428 static struct pci_driver azx_driver
= {
2429 .name
= KBUILD_MODNAME
,
2430 .id_table
= azx_ids
,
2432 .remove
= azx_remove
,
2433 .shutdown
= azx_shutdown
,
2439 module_pci_driver(azx_driver
);