2 Advanced Linux Sound Architecture - Driver
3 ==========================================
10 To enable ALSA support you need at least to build the kernel with
11 primary sound card support (CONFIG_SOUND). Since ALSA can emulate OSS,
12 you don't have to choose any of the OSS modules.
14 Enable "OSS API emulation" (CONFIG_SND_OSSEMUL) and both OSS mixer and
15 PCM supports if you want to run OSS applications with ALSA.
17 If you want to support the WaveTable functionality on cards such as
18 SB Live! then you need to enable "Sequencer support"
19 (CONFIG_SND_SEQUENCER).
21 To make ALSA debug messages more verbose, enable the "Verbose printk"
22 and "Debug" options. To check for memory leaks, turn on "Debug memory"
23 too. "Debug detection" will add checks for the detection of cards.
25 Please note that all the ALSA ISA drivers support the Linux isapnp API
26 (if the card supports ISA PnP). You don't need to configure the cards
33 This depends on your distribution, but normally you use the /dev/MAKEDEV
34 script to create the necessary device nodes. On some systems you use a
35 script named 'snddevices'.
41 The user can load modules with options. If the module supports more than
42 one card and you have more than one card of the same type then you can
43 specify multiple values for the option separated by commas.
45 Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
50 The core ALSA module. It is used by all ALSA card drivers.
51 It takes the following options which have global effects.
53 major - major number for sound driver
56 - limiting card index for auto-loading (1-8)
58 - For auto-loading more than one card, specify this
59 option together with snd-card-X aliases.
65 The PCM OSS emulation module.
66 This module takes options which change the mapping of devices.
68 dsp_map - PCM device number maps assigned to the 1st OSS device.
70 adsp_map - PCM device number maps assigned to the 2st OSS device.
73 - Don't block opening busy PCM devices. Default: 1
75 For example, when dsp_map=2, /dev/dsp will be mapped to PCM #2 of
76 the card #0. Similarly, when adsp_map=0, /dev/adsp will be mapped
77 to PCM #0 of the card #0.
78 For changing the second or later card, specify the option with
79 commas, such like "dsp_map=0,1".
81 nonblock_open option is used to change the behavior of the PCM
82 regarding opening the device. When this option is non-zero,
83 opening a busy OSS PCM device won't be blocked but return
84 immediately with EAGAIN (just like O_NONBLOCK flag).
89 This module takes options which change the mapping of devices.
90 similar to those of the snd-pcm-oss module.
92 midi_map - MIDI device number maps assigned to the 1st OSS device.
94 amidi_map - MIDI device number maps assigned to the 2st OSS device.
97 Common parameters for top sound card modules
98 --------------------------------------------
100 Each of top level sound card module takes the following options.
102 index - index (slot #) of sound card
103 - Values: 0 through 31 or negative
104 - If nonnegative, assign that index number
105 - if negative, interpret as a bitmask of permissible
106 indices; the first free permitted index is assigned
108 id - card ID (identifier or name)
109 - Can be up to 15 characters long
110 - Default: the card type
111 - A directory by this name is created under /proc/asound/
112 containing information about the card
113 - This ID can be used instead of the index number in
116 - Default: enabled, for PCI and ISA PnP cards
121 Module for AdLib FM cards.
123 port - port # for OPL chip
125 This module supports multiple cards. It does not support autoprobe, so
126 the port must be specified. For actual AdLib FM cards it will be 0x388.
127 Note that this card does not have PCM support and no mixer; only FM
130 Make sure you have "sbiload" from the alsa-tools package available and,
131 after loading the module, find out the assigned ALSA sequencer port
132 number through "sbiload -l". Example output:
134 Port Client name Port name
135 64:0 OPL2 FM synth OPL2 FM Port
137 Load the std.sb and drums.sb patches also supplied by sbiload:
139 sbiload -p 64:0 std.sb drums.sb
141 If you use this driver to drive an OPL3, you can use std.o3 and drums.o3
142 instead. To have the card produce sound, use aplaymidi from alsa-utils:
144 aplaymidi -p 64:0 foo.mid
149 Module for sound cards based on Analog Devices AD1816A/AD1815 ISA chips.
151 port - port # for AD1816A chip (PnP setup)
152 mpu_port - port # for MPU-401 UART (PnP setup)
153 fm_port - port # for OPL3 (PnP setup)
154 irq - IRQ # for AD1816A chip (PnP setup)
155 mpu_irq - IRQ # for MPU-401 UART (PnP setup)
156 dma1 - first DMA # for AD1816A chip (PnP setup)
157 dma2 - second DMA # for AD1816A chip (PnP setup)
158 clockfreq - Clock frequency for AD1816A chip (default = 0, 33000Hz)
160 This module supports multiple cards, autoprobe and PnP.
165 Module for sound cards based on AD1848/AD1847/CS4248 ISA chips.
167 port - port # for AD1848 chip
168 irq - IRQ # for AD1848 chip
169 dma1 - DMA # for AD1848 chip (0,1,3)
171 This module supports multiple cards. It does not support autoprobe
172 thus main port must be specified!!! Other ports are optional.
174 The power-management is supported.
179 Module for Analog Devices AD1889 chips.
181 ac97_quirk - AC'97 workaround for strange hardware
182 See the description of intel8x0 module for details.
184 This module supports multiple cards.
189 Module for ALi M5451 PCI chip.
191 pcm_channels - Number of hardware channels assigned for PCM
192 spdif - Support SPDIF I/O
195 This module supports one chip and autoprobe.
197 The power-management is supported.
202 Module for sound cards based on Avance Logic ALS100/ALS120 ISA chips.
204 port - port # for ALS100 (SB16) chip (PnP setup)
205 irq - IRQ # for ALS100 (SB16) chip (PnP setup)
206 dma8 - 8-bit DMA # for ALS100 (SB16) chip (PnP setup)
207 dma16 - 16-bit DMA # for ALS100 (SB16) chip (PnP setup)
208 mpu_port - port # for MPU-401 UART (PnP setup)
209 mpu_irq - IRQ # for MPU-401 (PnP setup)
210 fm_port - port # for OPL3 FM (PnP setup)
212 This module supports multiple cards, autoprobe and PnP.
214 The power-management is supported.
219 Module for Avance Logic ALS300 and ALS300+
221 This module supports multiple cards.
223 The power-management is supported.
228 Module for sound cards based on Avance Logic ALS4000 PCI chip.
230 joystick_port - port # for legacy joystick support.
231 0 = disabled (default), 1 = auto-detect
233 This module supports multiple cards, autoprobe and PnP.
235 The power-management is supported.
240 Module for ATI IXP 150/200/250/400 AC97 controllers.
242 ac97_clock - AC'97 clock (default = 48000)
243 ac97_quirk - AC'97 workaround for strange hardware
244 See "AC97 Quirk Option" section below.
245 ac97_codec - Workaround to specify which AC'97 codec
246 instead of probing. If this works for you
247 file a bug with your `lspci -vn` output.
249 -1 -- Default behavior.
250 0-2 -- Use the specified codec.
251 spdif_aclink - S/PDIF transfer over AC-link (default = 1)
253 This module supports one card and autoprobe.
255 ATI IXP has two different methods to control SPDIF output. One is
256 over AC-link and another is over the "direct" SPDIF output. The
257 implementation depends on the motherboard, and you'll need to
258 choose the correct one via spdif_aclink module option.
260 The power-management is supported.
262 Module snd-atiixp-modem
263 -----------------------
265 Module for ATI IXP 150/200/250 AC97 modem controllers.
267 This module supports one card and autoprobe.
269 Note: The default index value of this module is -2, i.e. the first
272 The power-management is supported.
274 Module snd-au8810, snd-au8820, snd-au8830
275 -----------------------------------------
277 Module for Aureal Vortex, Vortex2 and Advantage device.
279 pcifix - Control PCI workarounds
280 0 = Disable all workarounds
281 1 = Force the PCI latency of the Aureal card to 0xff
282 2 = Force the Extend PCI#2 Internal Master for Efficient
283 Handling of Dummy Requests on the VIA KT133 AGP Bridge
284 3 = Force both settings
285 255 = Autodetect what is required (default)
287 This module supports all ADB PCM channels, ac97 mixer, SPDIF, hardware
288 EQ, mpu401, gameport. A3D and wavetable support are still in development.
289 Development and reverse engineering work is being coordinated at
290 http://savannah.nongnu.org/projects/openvortex/
291 SPDIF output has a copy of the AC97 codec output, unless you use the
292 "spdif" pcm device, which allows raw data passthru.
293 The hardware EQ hardware and SPDIF is only present in the Vortex2 and
296 Note: Some ALSA mixer applications don't handle the SPDIF sample rate
297 control correctly. If you have problems regarding this, try
298 another ALSA compliant mixer (alsamixer works).
303 Module for sound cards based on Aztech System AZT2320 ISA chip (PnP only).
305 port - port # for AZT2320 chip (PnP setup)
306 wss_port - port # for WSS (PnP setup)
307 mpu_port - port # for MPU-401 UART (PnP setup)
308 fm_port - FM port # for AZT2320 chip (PnP setup)
309 irq - IRQ # for AZT2320 (WSS) chip (PnP setup)
310 mpu_irq - IRQ # for MPU-401 UART (PnP setup)
311 dma1 - 1st DMA # for AZT2320 (WSS) chip (PnP setup)
312 dma2 - 2nd DMA # for AZT2320 (WSS) chip (PnP setup)
314 This module supports multiple cards, PnP and autoprobe.
316 The power-management is supported.
321 Module for sound cards based on Aztech AZF3328 PCI chip.
323 joystick - Enable joystick (default off)
325 This module supports multiple cards.
330 Module for video cards based on Bt87x chips.
332 digital_rate - Override the default digital rate (Hz)
333 load_all - Load the driver even if the card model isn't known
335 This module supports multiple cards.
337 Note: The default index value of this module is -2, i.e. the first
343 Module for Creative Audigy LS and SB Live 24bit
345 This module supports multiple cards.
351 Module for sound cards based on C-Media CMI8330 ISA chips.
353 wssport - port # for CMI8330 chip (WSS)
354 wssirq - IRQ # for CMI8330 chip (WSS)
355 wssdma - first DMA # for CMI8330 chip (WSS)
356 sbport - port # for CMI8330 chip (SB16)
357 sbirq - IRQ # for CMI8330 chip (SB16)
358 sbdma8 - 8bit DMA # for CMI8330 chip (SB16)
359 sbdma16 - 16bit DMA # for CMI8330 chip (SB16)
361 This module supports multiple cards and autoprobe.
363 The power-management is supported.
368 Module for C-Media CMI8338 and 8738 PCI sound cards.
370 mpu_port - 0x300,0x310,0x320,0x330 = legacy port,
371 1 = integrated PCI port,
372 0 = disable (default)
373 fm_port - 0x388 = legacy port,
374 1 = integrated PCI port (default),
376 soft_ac3 - Software-conversion of raw SPDIF packets (model 033 only)
378 joystick_port - Joystick port address (0 = disable, 1 = auto-detect)
380 This module supports autoprobe and multiple cards.
382 The power-management is supported.
387 Module for sound cards based on CS4231 ISA chips.
389 port - port # for CS4231 chip
390 mpu_port - port # for MPU-401 UART (optional), -1 = disable
391 irq - IRQ # for CS4231 chip
392 mpu_irq - IRQ # for MPU-401 UART
393 dma1 - first DMA # for CS4231 chip
394 dma2 - second DMA # for CS4231 chip
396 This module supports multiple cards. This module does not support autoprobe
397 thus main port must be specified!!! Other ports are optional.
399 The power-management is supported.
404 Module for sound cards based on CS4232/CS4232A ISA chips.
406 port - port # for CS4232 chip (PnP setup - 0x534)
407 cport - control port # for CS4232 chip (PnP setup - 0x120,0x210,0xf00)
408 mpu_port - port # for MPU-401 UART (PnP setup - 0x300), -1 = disable
409 fm_port - FM port # for CS4232 chip (PnP setup - 0x388), -1 = disable
410 irq - IRQ # for CS4232 chip (5,7,9,11,12,15)
411 mpu_irq - IRQ # for MPU-401 UART (9,11,12,15)
412 dma1 - first DMA # for CS4232 chip (0,1,3)
413 dma2 - second DMA # for Yamaha CS4232 chip (0,1,3), -1 = disable
414 isapnp - ISA PnP detection - 0 = disable, 1 = enable (default)
416 This module supports multiple cards. This module does not support autoprobe
417 thus main port must be specified!!! Other ports are optional.
419 The power-management is supported.
424 Module for sound cards based on CS4235/CS4236/CS4236B/CS4237B/
425 CS4238B/CS4239 ISA chips.
427 port - port # for CS4236 chip (PnP setup - 0x534)
428 cport - control port # for CS4236 chip (PnP setup - 0x120,0x210,0xf00)
429 mpu_port - port # for MPU-401 UART (PnP setup - 0x300), -1 = disable
430 fm_port - FM port # for CS4236 chip (PnP setup - 0x388), -1 = disable
431 irq - IRQ # for CS4236 chip (5,7,9,11,12,15)
432 mpu_irq - IRQ # for MPU-401 UART (9,11,12,15)
433 dma1 - first DMA # for CS4236 chip (0,1,3)
434 dma2 - second DMA # for CS4236 chip (0,1,3), -1 = disable
435 isapnp - ISA PnP detection - 0 = disable, 1 = enable (default)
437 This module supports multiple cards. This module does not support autoprobe
438 (if ISA PnP is not used) thus main port and control port must be
439 specified!!! Other ports are optional.
441 The power-management is supported.
446 Module for Cirrus Logic CS4281 soundchip.
448 dual_codec - Secondary codec ID (0 = disable, default)
450 This module supports multiple cards.
452 The power-management is supported.
457 Module for PCI sound cards based on CS4610/CS4612/CS4614/CS4615/CS4622/
458 CS4624/CS4630/CS4280 PCI chips.
460 external_amp - Force to enable external amplifier.
461 thinkpad - Force to enable Thinkpad's CLKRUN control.
462 mmap_valid - Support OSS mmap mode (default = 0).
464 This module supports multiple cards and autoprobe.
465 Usually external amp and CLKRUN controls are detected automatically
466 from PCI sub vendor/device ids. If they don't work, give the options
469 The power-management is supported.
474 Module for Cyrix/NatSemi Geode 5530 chip.
476 Module snd-cs5535audio
477 ----------------------
479 Module for multifunction CS5535 companion PCI device
481 The power-management is supported.
486 Module for Echoaudio Darla20
488 This module supports multiple cards.
489 The driver requires the firmware loader support on kernel.
494 Module for Echoaudio Darla24
496 This module supports multiple cards.
497 The driver requires the firmware loader support on kernel.
502 Module for Diamond Technologies DT-019X / Avance Logic ALS-007 (PnP
505 port - Port # (PnP setup)
506 mpu_port - Port # for MPU-401 (PnP setup)
507 fm_port - Port # for FM OPL-3 (PnP setup)
508 irq - IRQ # (PnP setup)
509 mpu_irq - IRQ # for MPU-401 (PnP setup)
510 dma8 - DMA # (PnP setup)
512 This module supports multiple cards. This module is enabled only with
515 The power-management is supported.
520 Module for the dummy sound card. This "card" doesn't do any output
521 or input, but you may use this module for any application which
522 requires a sound card (like RealPlayer).
524 The power-management is supported.
529 Module for Echoaudio 3G cards (Gina3G/Layla3G)
531 This module supports multiple cards.
532 The driver requires the firmware loader support on kernel.
537 Module for EMU10K1/EMU10k2 based PCI sound cards.
538 * Sound Blaster Live!
539 * Sound Blaster PCI 512
540 * Emu APS (partially supported)
541 * Sound Blaster Audigy
543 extin - bitmap of available external inputs for FX8010 (see bellow)
544 extout - bitmap of available external outputs for FX8010 (see bellow)
545 seq_ports - allocated sequencer ports (4 by default)
546 max_synth_voices - limit of voices used for wavetable (64 by default)
547 max_buffer_size - specifies the maximum size of wavetable/pcm buffers
548 given in MB unit. Default value is 128.
549 enable_ir - enable IR
551 This module supports multiple cards and autoprobe.
553 Input & Output configurations [extin/extout]
554 * Creative Card wo/Digital out [0x0003/0x1f03]
555 * Creative Card w/Digital out [0x0003/0x1f0f]
556 * Creative Card w/Digital CD in [0x000f/0x1f0f]
557 * Creative Card wo/Digital out + LiveDrive [0x3fc3/0x1fc3]
558 * Creative Card w/Digital out + LiveDrive [0x3fc3/0x1fcf]
559 * Creative Card w/Digital CD in + LiveDrive [0x3fcf/0x1fcf]
560 * Creative Card wo/Digital out + Digital I/O 2 [0x0fc3/0x1f0f]
561 * Creative Card w/Digital out + Digital I/O 2 [0x0fc3/0x1f0f]
562 * Creative Card w/Digital CD in + Digital I/O 2 [0x0fcf/0x1f0f]
563 * Creative Card 5.1/w Digital out + LiveDrive [0x3fc3/0x1fff]
564 * Creative Card 5.1 (c) 2003 [0x3fc3/0x7cff]
565 * Creative Card all ins and outs [0x3fff/0x7fff]
567 The power-management is supported.
572 Module for Creative Emu10k1X (SB Live Dell OEM version)
574 This module supports multiple cards.
579 Module for Ensoniq AudioPCI ES1370 PCI sound cards.
580 * SoundBlaster PCI 64
581 * SoundBlaster PCI 128
583 joystick - Enable joystick (default off)
585 This module supports multiple cards and autoprobe.
587 The power-management is supported.
592 Module for Ensoniq AudioPCI ES1371 PCI sound cards.
593 * SoundBlaster PCI 64
594 * SoundBlaster PCI 128
595 * SoundBlaster Vibra PCI
597 joystick_port - port # for joystick (0x200,0x208,0x210,0x218),
598 0 = disable (default), 1 = auto-detect
600 This module supports multiple cards and autoprobe.
602 The power-management is supported.
607 Module for sound cards based on ESS ES968 chip (PnP only).
609 port - port # for ES968 (SB8) chip (PnP setup)
610 irq - IRQ # for ES968 (SB8) chip (PnP setup)
611 dma1 - DMA # for ES968 (SB8) chip (PnP setup)
613 This module supports multiple cards, PnP and autoprobe.
615 The power-management is supported.
620 Module for ESS AudioDrive ES-1688 and ES-688 sound cards.
622 port - port # for ES-1688 chip (0x220,0x240,0x260)
623 mpu_port - port # for MPU-401 port (0x300,0x310,0x320,0x330), -1 = disable (default)
624 irq - IRQ # for ES-1688 chip (5,7,9,10)
625 mpu_irq - IRQ # for MPU-401 port (5,7,9,10)
626 dma8 - DMA # for ES-1688 chip (0,1,3)
628 This module supports multiple cards and autoprobe (without MPU-401 port).
633 Module for ESS AudioDrive ES-18xx sound cards.
635 port - port # for ES-18xx chip (0x220,0x240,0x260)
636 mpu_port - port # for MPU-401 port (0x300,0x310,0x320,0x330), -1 = disable (default)
637 fm_port - port # for FM (optional, not used)
638 irq - IRQ # for ES-18xx chip (5,7,9,10)
639 dma1 - first DMA # for ES-18xx chip (0,1,3)
640 dma2 - first DMA # for ES-18xx chip (0,1,3)
641 isapnp - ISA PnP detection - 0 = disable, 1 = enable (default)
643 This module supports multiple cards, ISA PnP and autoprobe (without MPU-401
644 port if native ISA PnP routines are not used).
645 When dma2 is equal with dma1, the driver works as half-duplex.
647 The power-management is supported.
652 Module for sound cards based on ESS Solo-1 (ES1938,ES1946) chips.
654 This module supports multiple cards and autoprobe.
656 The power-management is supported.
661 Module for sound cards based on ESS Maestro-1/2/2E (ES1968/ES1978) chips.
663 total_bufsize - total buffer size in kB (1-4096kB)
664 pcm_substreams_p - playback channels (1-8, default=2)
665 pcm_substreams_c - capture channels (1-8, default=0)
666 clock - clock (0 = auto-detection)
667 use_pm - support the power-management (0 = off, 1 = on,
669 enable_mpu - enable MPU401 (0 = off, 1 = on, 2 = auto (default))
670 joystick - enable joystick (default off)
672 This module supports multiple cards and autoprobe.
674 The power-management is supported.
679 Module for ForteMedia FM801 based PCI sound cards.
681 tea575x_tuner - Enable TEA575x tuner
682 - 1 = MediaForte 256-PCS
683 - 2 = MediaForte 256-PCPR
684 - 3 = MediaForte 64-PCR
685 - High 16-bits are video (radio) device number + 1
686 - example: 0x10002 (MediaForte 256-PCPR, device 1)
688 This module supports multiple cards and autoprobe.
690 The power-management is supported.
695 Module for Echoaudio Gina20
697 This module supports multiple cards.
698 The driver requires the firmware loader support on kernel.
703 Module for Echoaudio Gina24
705 This module supports multiple cards.
706 The driver requires the firmware loader support on kernel.
708 Module snd-gusclassic
709 ---------------------
711 Module for Gravis UltraSound Classic sound card.
713 port - port # for GF1 chip (0x220,0x230,0x240,0x250,0x260)
714 irq - IRQ # for GF1 chip (3,5,9,11,12,15)
715 dma1 - DMA # for GF1 chip (1,3,5,6,7)
716 dma2 - DMA # for GF1 chip (1,3,5,6,7,-1=disable)
717 joystick_dac - 0 to 31, (0.59V-4.52V or 0.389V-2.98V)
718 voices - GF1 voices limit (14-32)
719 pcm_voices - reserved PCM voices
721 This module supports multiple cards and autoprobe.
723 Module snd-gusextreme
724 ---------------------
726 Module for Gravis UltraSound Extreme (Synergy ViperMax) sound card.
728 port - port # for ES-1688 chip (0x220,0x230,0x240,0x250,0x260)
729 gf1_port - port # for GF1 chip (0x210,0x220,0x230,0x240,0x250,0x260,0x270)
730 mpu_port - port # for MPU-401 port (0x300,0x310,0x320,0x330), -1 = disable
731 irq - IRQ # for ES-1688 chip (5,7,9,10)
732 gf1_irq - IRQ # for GF1 chip (3,5,9,11,12,15)
733 mpu_irq - IRQ # for MPU-401 port (5,7,9,10)
734 dma8 - DMA # for ES-1688 chip (0,1,3)
735 dma1 - DMA # for GF1 chip (1,3,5,6,7)
736 joystick_dac - 0 to 31, (0.59V-4.52V or 0.389V-2.98V)
737 voices - GF1 voices limit (14-32)
738 pcm_voices - reserved PCM voices
740 This module supports multiple cards and autoprobe (without MPU-401 port).
745 Module for Gravis UltraSound MAX sound card.
747 port - port # for GF1 chip (0x220,0x230,0x240,0x250,0x260)
748 irq - IRQ # for GF1 chip (3,5,9,11,12,15)
749 dma1 - DMA # for GF1 chip (1,3,5,6,7)
750 dma2 - DMA # for GF1 chip (1,3,5,6,7,-1=disable)
751 joystick_dac - 0 to 31, (0.59V-4.52V or 0.389V-2.98V)
752 voices - GF1 voices limit (14-32)
753 pcm_voices - reserved PCM voices
755 This module supports multiple cards and autoprobe.
760 Module for Intel HD Audio (ICH6, ICH6M, ESB2, ICH7, ICH8),
761 ATI SB450, SB600, RS600,
765 model - force the model name
766 position_fix - Fix DMA pointer (0 = auto, 1 = none, 2 = POSBUF, 3 = FIFO size)
767 probe_mask - Bitmask to probe codecs (default = -1, meaning all slots)
768 single_cmd - Use single immediate commands to communicate with
769 codecs (for debugging only)
770 enable_msi - Enable Message Signaled Interrupt (MSI) (default = off)
772 This module supports one card and autoprobe.
774 Each codec may have a model table for different configurations.
775 If your machine isn't listed there, the default (usually minimal)
776 configuration is set up. You can pass "model=<name>" option to
777 specify a certain model in such a case. There are different
778 models depending on the codec chip.
780 Model name Description
781 ---------- -----------
783 3stack 3-jack in back and a headphone out
784 3stack-digout 3-jack in back, a HP out and a SPDIF out
785 5stack 5-jack in back, 2-jack in front
786 5stack-digout 5-jack in back, 2-jack in front, a SPDIF out
787 6stack 6-jack in back, 2-jack in front
788 6stack-digout 6-jack with a SPDIF out
790 z71v 3-jack (HP shared SPDIF)
791 asus 3-jack (ASUS Mobo)
793 asus-dig ASUS with SPDIF out
794 asus-dig2 ASUS with SPDIF out (using GPIO2)
796 fujitsu Fujitsu Laptops (Pi1536)
798 lg LG laptop (m1 express dual)
799 lg-lw LG LW20/LW25 laptop
801 clevo Clevo laptops (m520G, m665n)
802 test for testing/debugging purpose, almost all controls can be
803 adjusted. Appearing only when compiled with
805 auto auto-config reading BIOS (default)
809 hp-3013 HP machines (3013-variant)
810 fujitsu Fujitsu S7020
812 basic fixed pin assignment (old default model)
813 auto auto-config reading BIOS (default)
816 fujitsu Fujitsu Laptop
817 hp-bpc HP xw4400/6400/8400/9400 laptops
818 hp-bpc-d7000 HP BPC D7000
820 hippo Hippo (ATI) with jack detection, Sony UX-90s
821 hippo_1 Hippo (Benq) with jack detection
822 basic fixed pin assignment w/o SPDIF
823 auto auto-config reading BIOS (default)
826 3stack-dig 3-jack with SPDIF I/O
827 6stack-dig 6-jack digital with SPDIF I/O
829 macpro MacPro support
831 auto auto-config reading BIOS (default)
834 3stack-dig 3-jack with SPDIF I/O
835 6stack-dig 6-jack digital with SPDIF I/O
836 3stack-6ch 3-jack 6-channel
837 3stack-6ch-dig 3-jack 6-channel with SPDIF I/O
838 6stack-dig-demo 6-jack digital for Intel demo board
839 acer Acer laptops (Travelmate 3012WTMi, Aspire 5600, etc)
840 medion Medion Laptops
842 targa-2ch-dig Targs/MSI with 2-channel
843 laptop-eapd 3-jack with SPDIF I/O and EAPD (Clevo M540JE, M550JE)
844 auto auto-config reading BIOS (default)
848 3stack-dig 3-jack with SPDIF I/O
849 6stack-dig 6-jack with SPDIF I/O
850 3stack-660 3-jack (for ALC660)
851 uniwill-m31 Uniwill M31 laptop
852 toshiba Toshiba laptop support
853 asus Asus laptop support
854 asus-laptop ASUS F2/F3 laptops
855 auto auto-config reading BIOS (default)
859 3stack-dig 3-jack with SPDIF OUT
860 6stack-dig 6-jack with SPDIF OUT
861 3stack-660 3-jack (for ALC660VD)
862 lenovo Lenovo 3000 C200
863 auto auto-config reading BIOS (default)
866 minimal 3-jack in back
867 min_fp 3-jack in back, 2-jack in front
868 full 6-jack in back, 2-jack in front
869 full_dig 6-jack in back, 2-jack in front, SPDIF I/O
870 allout 5-jack in back, 2-jack in front, SPDIF out
871 auto auto-config reading BIOS (default)
877 basic 3-jack (default)
879 thinkpad Lenovo Thinkpad T60/X60/Z60
886 basic default configuration
887 thinkpad Lenovo Thinkpad T61/X61
890 6stack 6-jack, separate surrounds (default)
891 3stack 3-stack, shared surrounds
892 laptop 2-channel only (FSC V2060, Samsung M50)
893 laptop-eapd 2-channel with EAPD (Samsung R65, ASUS A6J)
894 ultra 2-channel with EAPD (Samsung Ultra tablet PC)
898 6stack-dig ditto with SPDIF
900 3stack-dig ditto with SPDIF
901 laptop 3-jack with hp-jack automute
902 laptop-dig ditto with SPDIF
903 auto auto-config reading BIOS (default)
907 test for testing/debugging purpose, almost all controls
908 can be adjusted. Appearing only when compiled with
912 laptop Basic Laptop config
913 laptop-hp Laptop config for some HP models (subdevice 30A5)
914 laptop-eapd Laptop config with EAPD support
915 test for testing/debugging purpose, almost all controls
916 can be adjusted. Appearing only when compiled with
925 5stack D945 5stack + SPDIF
926 intel-mac-v1 Intel Mac Type 1
927 intel-mac-v2 Intel Mac Type 2
928 intel-mac-v3 Intel Mac Type 3
929 intel-mac-v4 Intel Mac Type 4
930 intel-mac-v5 Intel Mac Type 5
931 macmini Intel Mac Mini (equivalent with type 3)
932 macbook Intel Mac Book (eq. type 5)
933 macbook-pro-v1 Intel Mac Book Pro 1st generation (eq. type 3)
934 macbook-pro Intel Mac Book Pro 2nd generation (eq. type 3)
935 imac-intel Intel iMac (eq. type 2)
936 imac-intel-20 Intel iMac (newer version) (eq. type 3)
939 ref Reference board, base config
940 m2-2 Some Gateway MX series laptops
941 m6 Some Gateway NX series laptops
942 pa6 Gateway NX860 series
944 STAC9227/9228/9229/927x
947 5stack D965 5stack + SPDIF
950 vaio Setup for VAIO FE550G/SZ110
951 vaio-ar Setup for VAIO AR
953 The model name "genric" is treated as a special case. When this
954 model is given, the driver uses the generic codec parser without
955 "codec-patch". It's sometimes good for testing and debugging.
957 If the default configuration doesn't work and one of the above
958 matches with your device, report it together with the PCI
959 subsystem ID (output of "lspci -nv") to ALSA BTS or alsa-devel
960 ML (see the section "Links and Addresses").
962 Note 2: If you get click noises on output, try the module option
963 position_fix=1 or 2. position_fix=1 will use the SD_LPIB
964 register value without FIFO size correction as the current
965 DMA pointer. position_fix=2 will make the driver to use
966 the position buffer instead of reading SD_LPIB register.
967 (Usually SD_LPLIB register is more accurate than the
970 NB: If you get many "azx_get_response timeout" messages at
971 loading, it's likely a problem of interrupts (e.g. ACPI irq
972 routing). Try to boot with options like "pci=noacpi". Also, you
973 can try "single_cmd=1" module option. This will switch the
974 communication method between HDA controller and codecs to the
975 single immediate commands instead of CORB/RIRB. Basically, the
976 single command mode is provided only for BIOS, and you won't get
977 unsolicited events, too. But, at least, this works independently
978 from the irq. Remember this is a last resort, and should be
979 avoided as much as possible...
981 MORE NOTES ON "azx_get_response timeout" PROBLEMS:
982 On some hardwares, you may need to add a proper probe_mask option
983 to avoid the "azx_get_response timeout" problem above, instead.
984 This occurs when the access to non-existing or non-working codec slot
985 (likely a modem one) causes a stall of the communication via HD-audio
986 bus. You can see which codec slots are probed by enabling
987 CONFIG_SND_DEBUG_DETECT, or simply from the file name of the codec
988 proc files. Then limit the slots to probe by probe_mask option.
989 For example, probe_mask=1 means to probe only the first slot, and
990 probe_mask=4 means only the third slot.
992 The power-management is supported.
997 Module for RME Hammerfall DSP audio interface(s)
999 This module supports multiple cards.
1001 Note: The firmware data can be automatically loaded via hotplug
1002 when CONFIG_FW_LOADER is set. Otherwise, you need to load
1003 the firmware via hdsploader utility included in alsa-tools
1005 The firmware data is found in alsa-firmware package.
1007 Note: snd-page-alloc module does the job which snd-hammerfall-mem
1008 module did formerly. It will allocate the buffers in advance
1009 when any HDSP cards are found. To make the buffer
1010 allocation sure, load snd-page-alloc module in the early
1011 stage of boot sequence. See "Early Buffer Allocation"
1017 Module for RME HDSP MADI board.
1019 precise_ptr - Enable precise pointer, or disable.
1020 line_outs_monitor - Send playback streams to analog outs by default.
1021 enable_monitor - Enable Analog Out on Channel 63/64 by default.
1023 See hdspm.txt for details.
1028 Module for Envy24 (ICE1712) based PCI sound cards.
1029 * MidiMan M Audio Delta 1010
1030 * MidiMan M Audio Delta 1010LT
1031 * MidiMan M Audio Delta DiO 2496
1032 * MidiMan M Audio Delta 66
1033 * MidiMan M Audio Delta 44
1034 * MidiMan M Audio Delta 410
1035 * MidiMan M Audio Audiophile 2496
1038 * TerraTec EWX 24/96
1039 * TerraTec DMX 6Fire
1041 * Hoontech SoundTrack DSP 24
1042 * Hoontech SoundTrack DSP 24 Value
1043 * Hoontech SoundTrack DSP 24 Media 7.1
1044 * Event Electronics, EZ8
1046 * Lionstracs, Mediastaton
1048 model - Use the given board model, one of the following:
1049 delta1010, dio2496, delta66, delta44, audiophile, delta410,
1050 delta1010lt, vx442, ewx2496, ews88mt, ews88mt_new, ews88d,
1051 dmx6fire, dsp24, dsp24_value, dsp24_71, ez8,
1052 phase88, mediastation
1053 omni - Omni I/O support for MidiMan M-Audio Delta44/66
1054 cs8427_timeout - reset timeout for the CS8427 chip (S/PDIF transceiver)
1055 in msec resolution, default value is 500 (0.5 sec)
1057 This module supports multiple cards and autoprobe. Note: The consumer part
1058 is not used with all Envy24 based cards (for example in the MidiMan Delta
1061 Note: The supported board is detected by reading EEPROM or PCI
1062 SSID (if EEPROM isn't available). You can override the
1063 model by passing "model" module option in case that the
1064 driver isn't configured properly or you want to try another
1070 Module for Envy24HT (VT/ICE1724), Envy24PT (VT1720) based PCI sound cards.
1071 * MidiMan M Audio Revolution 5.1
1072 * MidiMan M Audio Revolution 7.1
1073 * MidiMan M Audio Audiophile 192
1075 * TerraTec Aureon 5.1 Sky
1076 * TerraTec Aureon 7.1 Space
1077 * TerraTec Aureon 7.1 Universe
1080 * AudioTrak Prodigy 7.1
1081 * AudioTrak Prodigy 7.1LT
1082 * AudioTrak Prodigy 192
1084 * Albatron K8X800 Pro II
1085 * Chaintech ZNF3-150
1086 * Chaintech ZNF3-250
1091 model - Use the given board model, one of the following:
1092 revo51, revo71, amp2000, prodigy71, prodigy71lt,
1093 prodigy192, aureon51, aureon71, universe, ap192,
1094 k8x800, phase22, phase28, ms300, av710
1096 This module supports multiple cards and autoprobe.
1098 Note: The supported board is detected by reading EEPROM or PCI
1099 SSID (if EEPROM isn't available). You can override the
1100 model by passing "model" module option in case that the
1101 driver isn't configured properly or you want to try another
1107 Module for Echoaudio Indigo
1109 This module supports multiple cards.
1110 The driver requires the firmware loader support on kernel.
1115 Module for Echoaudio Indigo DJ
1117 This module supports multiple cards.
1118 The driver requires the firmware loader support on kernel.
1123 Module for Echoaudio Indigo IO
1125 This module supports multiple cards.
1126 The driver requires the firmware loader support on kernel.
1131 Module for AC'97 motherboards from Intel and compatibles.
1132 * Intel i810/810E, i815, i820, i830, i84x, MX440
1133 ICH5, ICH6, ICH7, ESB2
1134 * SiS 7012 (SiS 735)
1135 * NVidia NForce, NForce2, NForce3, MCP04, CK804
1137 * AMD AMD768, AMD8111
1140 ac97_clock - AC'97 codec clock base (0 = auto-detect)
1141 ac97_quirk - AC'97 workaround for strange hardware
1142 See "AC97 Quirk Option" section below.
1143 buggy_irq - Enable workaround for buggy interrupts on some
1144 motherboards (default yes on nForce chips,
1146 buggy_semaphore - Enable workaround for hardwares with buggy
1147 semaphores (e.g. on some ASUS laptops)
1149 spdif_aclink - Use S/PDIF over AC-link instead of direct connection
1150 from the controller chip
1151 (0 = off, 1 = on, -1 = default)
1153 This module supports one chip and autoprobe.
1155 Note: the latest driver supports auto-detection of chip clock.
1156 if you still encounter too fast playback, specify the clock
1157 explicitly via the module option "ac97_clock=41194".
1159 Joystick/MIDI ports are not supported by this driver. If your
1160 motherboard has these devices, use the ns558 or snd-mpu401
1161 modules, respectively.
1163 The power-management is supported.
1165 Module snd-intel8x0m
1166 --------------------
1168 Module for Intel ICH (i8x0) chipset MC97 modems.
1169 * Intel i810/810E, i815, i820, i830, i84x, MX440
1171 * SiS 7013 (SiS 735)
1172 * NVidia NForce, NForce2, NForce2s, NForce3
1176 ac97_clock - AC'97 codec clock base (0 = auto-detect)
1178 This module supports one card and autoprobe.
1180 Note: The default index value of this module is -2, i.e. the first
1183 The power-management is supported.
1185 Module snd-interwave
1186 --------------------
1188 Module for Gravis UltraSound PnP, Dynasonic 3-D/Pro, STB Sound Rage 32
1189 and other sound cards based on AMD InterWave (tm) chip.
1191 port - port # for InterWave chip (0x210,0x220,0x230,0x240,0x250,0x260)
1192 irq - IRQ # for InterWave chip (3,5,9,11,12,15)
1193 dma1 - DMA # for InterWave chip (0,1,3,5,6,7)
1194 dma2 - DMA # for InterWave chip (0,1,3,5,6,7,-1=disable)
1195 joystick_dac - 0 to 31, (0.59V-4.52V or 0.389V-2.98V)
1196 midi - 1 = MIDI UART enable, 0 = MIDI UART disable (default)
1197 pcm_voices - reserved PCM voices for the synthesizer (default 2)
1198 effect - 1 = InterWave effects enable (default 0);
1201 This module supports multiple cards, autoprobe and ISA PnP.
1203 Module snd-interwave-stb
1204 ------------------------
1206 Module for UltraSound 32-Pro (sound card from STB used by Compaq)
1207 and other sound cards based on AMD InterWave (tm) chip with TEA6330T
1208 circuit for extended control of bass, treble and master volume.
1210 port - port # for InterWave chip (0x210,0x220,0x230,0x240,0x250,0x260)
1211 port_tc - tone control (i2c bus) port # for TEA6330T chip (0x350,0x360,0x370,0x380)
1212 irq - IRQ # for InterWave chip (3,5,9,11,12,15)
1213 dma1 - DMA # for InterWave chip (0,1,3,5,6,7)
1214 dma2 - DMA # for InterWave chip (0,1,3,5,6,7,-1=disable)
1215 joystick_dac - 0 to 31, (0.59V-4.52V or 0.389V-2.98V)
1216 midi - 1 = MIDI UART enable, 0 = MIDI UART disable (default)
1217 pcm_voices - reserved PCM voices for the synthesizer (default 2)
1218 effect - 1 = InterWave effects enable (default 0);
1221 This module supports multiple cards, autoprobe and ISA PnP.
1226 Module for Korg 1212 IO PCI card
1228 This module supports multiple cards.
1233 Module for Echoaudio Layla20
1235 This module supports multiple cards.
1236 The driver requires the firmware loader support on kernel.
1241 Module for Echoaudio Layla24
1243 This module supports multiple cards.
1244 The driver requires the firmware loader support on kernel.
1249 Module for Allegro/Maestro3 chips
1251 external_amp - enable external amp (enabled by default)
1252 amp_gpio - GPIO pin number for external amp (0-15) or
1253 -1 for default pin (8 for allegro, 1 for
1256 This module supports autoprobe and multiple chips.
1258 Note: the binding of amplifier is dependent on hardware.
1259 If there is no sound even though all channels are unmuted, try to
1260 specify other gpio connection via amp_gpio option.
1261 For example, a Panasonic notebook might need "amp_gpio=0x0d"
1264 The power-management is supported.
1269 Module for Echoaudio Mia
1271 This module supports multiple cards.
1272 The driver requires the firmware loader support on kernel.
1277 Module for Miro soundcards: miroSOUND PCM 1 pro,
1279 miroSOUND PCM 20 Radio.
1281 port - Port # (0x530,0x604,0xe80,0xf40)
1282 irq - IRQ # (5,7,9,10,11)
1283 dma1 - 1st dma # (0,1,3)
1284 dma2 - 2nd dma # (0,1)
1285 mpu_port - MPU-401 port # (0x300,0x310,0x320,0x330)
1286 mpu_irq - MPU-401 irq # (5,7,9,10)
1287 fm_port - FM Port # (0x388)
1288 wss - enable WSS mode
1289 ide - enable onboard ide support
1294 Module for Digigram miXart8 sound cards.
1296 This module supports multiple cards.
1297 Note: One miXart8 board will be represented as 4 alsa cards.
1298 See MIXART.txt for details.
1300 When the driver is compiled as a module and the hotplug firmware
1301 is supported, the firmware data is loaded via hotplug automatically.
1302 Install the necessary firmware files in alsa-firmware package.
1303 When no hotplug fw loader is available, you need to load the
1304 firmware via mixartloader utility in alsa-tools package.
1309 Module for Echoaudio Mona
1311 This module supports multiple cards.
1312 The driver requires the firmware loader support on kernel.
1317 Module for MPU-401 UART devices.
1319 port - port number or -1 (disable)
1320 irq - IRQ number or -1 (disable)
1321 pnp - PnP detection - 0 = disable, 1 = enable (default)
1322 uart_enter - Issue UART_ENTER command at open - bool, default = on
1324 This module supports multiple devices and PnP.
1329 Module for MOTU MidiTimePiece AV multiport MIDI (on the parallel
1332 port - I/O port # for MTPAV (0x378,0x278, default=0x378)
1333 irq - IRQ # for MTPAV (7,5, default=7)
1334 hwports - number of supported hardware ports, default=8.
1336 Module supports only 1 card. This module has no enable option.
1341 Module for Ego Systems (ESI) Miditerminal 4140
1343 This module supports multiple devices.
1344 Requires parport (CONFIG_PARPORT).
1349 Module for NeoMagic NM256AV/ZX chips
1351 playback_bufsize - max playback frame size in kB (4-128kB)
1352 capture_bufsize - max capture frame size in kB (4-128kB)
1353 force_ac97 - 0 or 1 (disabled by default)
1354 buffer_top - specify buffer top address
1355 use_cache - 0 or 1 (disabled by default)
1356 vaio_hack - alias buffer_top=0x25a800
1357 reset_workaround - enable AC97 RESET workaround for some laptops
1358 reset_workaround2 - enable extended AC97 RESET workaround for some
1361 This module supports one chip and autoprobe.
1363 The power-management is supported.
1365 Note: on some notebooks the buffer address cannot be detected
1366 automatically, or causes hang-up during initialization.
1367 In such a case, specify the buffer top address explicitly via
1368 the buffer_top option.
1370 Sony F250: buffer_top=0x25a800
1371 Sony F270: buffer_top=0x272800
1372 The driver supports only ac97 codec. It's possible to force
1373 to initialize/use ac97 although it's not detected. In such a
1374 case, use force_ac97=1 option - but *NO* guarantee whether it
1377 Note: The NM256 chip can be linked internally with non-AC97
1378 codecs. This driver supports only the AC97 codec, and won't work
1379 with machines with other (most likely CS423x or OPL3SAx) chips,
1380 even though the device is detected in lspci. In such a case, try
1381 other drivers, e.g. snd-cs4232 or snd-opl3sa2. Some has ISA-PnP
1382 but some doesn't have ISA PnP. You'll need to specify isapnp=0
1383 and proper hardware parameters in the case without ISA PnP.
1385 Note: some laptops need a workaround for AC97 RESET. For the
1386 known hardware like Dell Latitude LS and Sony PCG-F305, this
1387 workaround is enabled automatically. For other laptops with a
1388 hard freeze, you can try reset_workaround=1 option.
1390 Note: Dell Latitude CSx laptops have another problem regarding
1391 AC97 RESET. On these laptops, reset_workaround2 option is
1392 turned on as default. This option is worth to try if the
1393 previous reset_workaround option doesn't help.
1395 Note: This driver is really crappy. It's a porting from the
1396 OSS driver, which is a result of black-magic reverse engineering.
1397 The detection of codec will fail if the driver is loaded *after*
1398 X-server as described above. You might be able to force to load
1399 the module, but it may result in hang-up. Hence, make sure that
1400 you load this module *before* X if you encounter this kind of
1406 Module for Yamaha OPL3-SA2/SA3 sound cards.
1408 port - control port # for OPL3-SA chip (0x370)
1409 sb_port - SB port # for OPL3-SA chip (0x220,0x240)
1410 wss_port - WSS port # for OPL3-SA chip (0x530,0xe80,0xf40,0x604)
1411 midi_port - port # for MPU-401 UART (0x300,0x330), -1 = disable
1412 fm_port - FM port # for OPL3-SA chip (0x388), -1 = disable
1413 irq - IRQ # for OPL3-SA chip (5,7,9,10)
1414 dma1 - first DMA # for Yamaha OPL3-SA chip (0,1,3)
1415 dma2 - second DMA # for Yamaha OPL3-SA chip (0,1,3), -1 = disable
1416 isapnp - ISA PnP detection - 0 = disable, 1 = enable (default)
1418 This module supports multiple cards and ISA PnP. It does not support
1419 autoprobe (if ISA PnP is not used) thus all ports must be specified!!!
1421 The power-management is supported.
1423 Module snd-opti92x-ad1848
1424 -------------------------
1426 Module for sound cards based on OPTi 82c92x and Analog Devices AD1848 chips.
1427 Module works with OAK Mozart cards as well.
1429 port - port # for WSS chip (0x530,0xe80,0xf40,0x604)
1430 mpu_port - port # for MPU-401 UART (0x300,0x310,0x320,0x330)
1431 fm_port - port # for OPL3 device (0x388)
1432 irq - IRQ # for WSS chip (5,7,9,10,11)
1433 mpu_irq - IRQ # for MPU-401 UART (5,7,9,10)
1434 dma1 - first DMA # for WSS chip (0,1,3)
1436 This module supports only one card, autoprobe and PnP.
1438 Module snd-opti92x-cs4231
1439 -------------------------
1441 Module for sound cards based on OPTi 82c92x and Crystal CS4231 chips.
1443 port - port # for WSS chip (0x530,0xe80,0xf40,0x604)
1444 mpu_port - port # for MPU-401 UART (0x300,0x310,0x320,0x330)
1445 fm_port - port # for OPL3 device (0x388)
1446 irq - IRQ # for WSS chip (5,7,9,10,11)
1447 mpu_irq - IRQ # for MPU-401 UART (5,7,9,10)
1448 dma1 - first DMA # for WSS chip (0,1,3)
1449 dma2 - second DMA # for WSS chip (0,1,3)
1451 This module supports only one card, autoprobe and PnP.
1456 Module for sound cards based on OPTi 82c93x chips.
1458 port - port # for WSS chip (0x530,0xe80,0xf40,0x604)
1459 mpu_port - port # for MPU-401 UART (0x300,0x310,0x320,0x330)
1460 fm_port - port # for OPL3 device (0x388)
1461 irq - IRQ # for WSS chip (5,7,9,10,11)
1462 mpu_irq - IRQ # for MPU-401 UART (5,7,9,10)
1463 dma1 - first DMA # for WSS chip (0,1,3)
1464 dma2 - second DMA # for WSS chip (0,1,3)
1466 This module supports only one card, autoprobe and PnP.
1471 Module for Digigram PCXHR boards
1473 This module supports multiple cards.
1475 Module snd-portman2x4
1476 ---------------------
1478 Module for Midiman Portman 2x4 parallel port MIDI interface
1480 This module supports multiple cards.
1482 Module snd-powermac (on ppc only)
1483 ---------------------------------
1485 Module for PowerMac, iMac and iBook on-board soundchips
1487 enable_beep - enable beep using PCM (enabled as default)
1489 Module supports autoprobe a chip.
1491 Note: the driver may have problems regarding endianess.
1493 The power-management is supported.
1495 Module snd-pxa2xx-ac97 (on arm only)
1496 ------------------------------------
1498 Module for AC97 driver for the Intel PXA2xx chip
1500 For ARM architecture only.
1502 The power-management is supported.
1507 Module for Conexant Riptide chip
1509 joystick_port - Joystick port # (default: 0x200)
1510 mpu_port - MPU401 port # (default: 0x330)
1511 opl3_port - OPL3 port # (default: 0x388)
1513 This module supports multiple cards.
1514 The driver requires the firmware loader support on kernel.
1515 You need to install the firmware file "riptide.hex" to the standard
1516 firmware path (e.g. /lib/firmware).
1521 Module for RME Digi32, Digi32 Pro and Digi32/8 (Sek'd Prodif32,
1522 Prodif96 and Prodif Gold) sound cards.
1524 This module supports multiple cards.
1529 Module for RME Digi96, Digi96/8 and Digi96/8 PRO/PAD/PST sound cards.
1531 This module supports multiple cards.
1536 Module for RME Digi9652 (Hammerfall, Hammerfall-Light) sound cards.
1538 precise_ptr - Enable precise pointer (doesn't work reliably).
1541 This module supports multiple cards.
1543 Note: snd-page-alloc module does the job which snd-hammerfall-mem
1544 module did formerly. It will allocate the buffers in advance
1545 when any RME9652 cards are found. To make the buffer
1546 allocation sure, load snd-page-alloc module in the early
1547 stage of boot sequence. See "Early Buffer Allocation"
1550 Module snd-sa11xx-uda1341 (on arm only)
1551 ---------------------------------------
1553 Module for Philips UDA1341TS on Compaq iPAQ H3600 sound card.
1555 Module supports only one card.
1556 Module has no enable and index options.
1558 The power-management is supported.
1563 Module for 8-bit SoundBlaster cards: SoundBlaster 1.0,
1567 port - port # for SB DSP chip (0x220,0x240,0x260)
1568 irq - IRQ # for SB DSP chip (5,7,9,10)
1569 dma8 - DMA # for SB DSP chip (1,3)
1571 This module supports multiple cards and autoprobe.
1573 The power-management is supported.
1575 Module snd-sb16 and snd-sbawe
1576 -----------------------------
1578 Module for 16-bit SoundBlaster cards: SoundBlaster 16 (PnP),
1579 SoundBlaster AWE 32 (PnP),
1580 SoundBlaster AWE 64 PnP
1582 port - port # for SB DSP 4.x chip (0x220,0x240,0x260)
1583 mpu_port - port # for MPU-401 UART (0x300,0x330), -1 = disable
1584 awe_port - base port # for EMU8000 synthesizer (0x620,0x640,0x660)
1585 (snd-sbawe module only)
1586 irq - IRQ # for SB DSP 4.x chip (5,7,9,10)
1587 dma8 - 8-bit DMA # for SB DSP 4.x chip (0,1,3)
1588 dma16 - 16-bit DMA # for SB DSP 4.x chip (5,6,7)
1589 mic_agc - Mic Auto-Gain-Control - 0 = disable, 1 = enable (default)
1590 csp - ASP/CSP chip support - 0 = disable (default), 1 = enable
1591 isapnp - ISA PnP detection - 0 = disable, 1 = enable (default)
1593 This module supports multiple cards, autoprobe and ISA PnP.
1595 Note: To use Vibra16X cards in 16-bit half duplex mode, you must
1596 disable 16bit DMA with dma16 = -1 module parameter.
1597 Also, all Sound Blaster 16 type cards can operate in 16-bit
1598 half duplex mode through 8-bit DMA channel by disabling their
1601 The power-management is supported.
1606 Module for Aztech Sound Galaxy sound card.
1608 sbport - Port # for SB16 interface (0x220,0x240)
1609 wssport - Port # for WSS interface (0x530,0xe80,0xf40,0x604)
1610 irq - IRQ # (7,9,10,11)
1613 This module supports multiple cards.
1615 The power-management is supported.
1620 Module for ENSONIQ SoundScape PnP cards.
1622 port - Port # (PnP setup)
1623 irq - IRQ # (PnP setup)
1624 mpu_irq - MPU-401 IRQ # (PnP setup)
1625 dma - DMA # (PnP setup)
1627 This module supports multiple cards. ISA PnP must be enabled.
1628 You need sscape_ctl tool in alsa-tools package for loading
1631 Module snd-sun-amd7930 (on sparc only)
1632 --------------------------------------
1634 Module for AMD7930 sound chips found on Sparcs.
1636 This module supports multiple cards.
1638 Module snd-sun-cs4231 (on sparc only)
1639 -------------------------------------
1641 Module for CS4231 sound chips found on Sparcs.
1643 This module supports multiple cards.
1645 Module snd-sun-dbri (on sparc only)
1646 -----------------------------------
1648 Module for DBRI sound chips found on Sparcs.
1650 This module supports multiple cards.
1652 Module snd-wavefront
1653 --------------------
1655 Module for Turtle Beach Maui, Tropez and Tropez+ sound cards.
1657 cs4232_pcm_port - Port # for CS4232 PCM interface.
1658 cs4232_pcm_irq - IRQ # for CS4232 PCM interface (5,7,9,11,12,15).
1659 cs4232_mpu_port - Port # for CS4232 MPU-401 interface.
1660 cs4232_mpu_irq - IRQ # for CS4232 MPU-401 interface (9,11,12,15).
1661 use_cs4232_midi - Use CS4232 MPU-401 interface
1662 (inaccessibly located inside your computer)
1663 ics2115_port - Port # for ICS2115
1664 ics2115_irq - IRQ # for ICS2115
1665 fm_port - FM OPL-3 Port #
1666 dma1 - DMA1 # for CS4232 PCM interface.
1667 dma2 - DMA2 # for CS4232 PCM interface.
1668 isapnp - ISA PnP detection - 0 = disable, 1 = enable (default)
1670 This module supports multiple cards and ISA PnP.
1672 Module snd-sonicvibes
1673 ---------------------
1675 Module for S3 SonicVibes PCI sound cards.
1676 * PINE Schubert 32 PCI
1678 reverb - Reverb Enable - 1 = enable, 0 = disable (default)
1679 - SoundCard must have onboard SRAM for this.
1680 mge - Mic Gain Enable - 1 = enable, 0 = disable (default)
1682 This module supports multiple cards and autoprobe.
1684 Module snd-serial-u16550
1685 ------------------------
1687 Module for UART16550A serial MIDI ports.
1689 port - port # for UART16550A chip
1690 irq - IRQ # for UART16550A chip, -1 = poll mode
1691 speed - speed in bauds (9600,19200,38400,57600,115200)
1693 base - base for divisor in bauds (57600,115200,230400,460800)
1695 outs - number of MIDI ports in a serial port (1-4)
1697 adaptor - Type of adaptor.
1698 0 = Soundcanvas, 1 = MS-124T, 2 = MS-124W S/A,
1699 3 = MS-124W M/B, 4 = Generic
1701 This module supports multiple cards. This module does not support autoprobe
1702 thus the main port must be specified!!! Other options are optional.
1707 Module for Trident 4DWave DX/NX sound cards.
1708 * Best Union Miss Melody 4DWave PCI
1710 * Warpspeed ONSpeed 4DWave PCI
1713 * CHIC True Sound 4Dwave
1714 * Shark Predator4D-PCI
1715 * Jaton SonicWave 4D
1717 pcm_channels - max channels (voices) reserved for PCM
1718 wavetable_size - max wavetable size in kB (4-?kb)
1720 This module supports multiple cards and autoprobe.
1722 The power-management is supported.
1724 Module snd-usb-audio
1725 --------------------
1727 Module for USB audio and USB MIDI devices.
1729 vid - Vendor ID for the device (optional)
1730 pid - Product ID for the device (optional)
1731 device_setup - Device specific magic number (optional)
1732 - Influence depends on the device
1735 This module supports multiple devices, autoprobe and hotplugging.
1737 Module snd-usb-caiaq
1738 --------------------
1740 Module for caiaq UB audio interfaces,
1741 * Native Instruments RigKontrol2
1742 * Native Instruments Kore Controller
1743 * Native Instruments Audio Kontrol 1
1744 * Native Instruments Audio 8 DJ
1746 This module supports multiple devices, autoprobe and hotplugging.
1748 Module snd-usb-usx2y
1749 --------------------
1751 Module for Tascam USB US-122, US-224 and US-428 devices.
1753 This module supports multiple devices, autoprobe and hotplugging.
1755 Note: you need to load the firmware via usx2yloader utility included
1756 in alsa-tools and alsa-firmware packages.
1761 Module for AC'97 motherboards based on VIA 82C686A/686B, 8233,
1762 8233A, 8233C, 8235, 8237 (south) bridge.
1764 mpu_port - 0x300,0x310,0x320,0x330, otherwise obtain BIOS setup
1766 joystick - Enable joystick (default off) [VIA686A/686B only]
1767 ac97_clock - AC'97 codec clock base (default 48000Hz)
1768 dxs_support - support DXS channels,
1769 0 = auto (default), 1 = enable, 2 = disable,
1770 3 = 48k only, 4 = no VRA, 5 = enable any sample
1771 rate and different sample rates on different
1773 [VIA8233/C, 8235, 8237 only]
1774 ac97_quirk - AC'97 workaround for strange hardware
1775 See "AC97 Quirk Option" section below.
1777 This module supports one chip and autoprobe.
1779 Note: on some SMP motherboards like MSI 694D the interrupts might
1780 not be generated properly. In such a case, please try to
1781 set the SMP (or MPS) version on BIOS to 1.1 instead of
1782 default value 1.4. Then the interrupt number will be
1783 assigned under 15. You might also upgrade your BIOS.
1785 Note: VIA8233/5/7 (not VIA8233A) can support DXS (direct sound)
1786 channels as the first PCM. On these channels, up to 4
1787 streams can be played at the same time, and the controller
1788 can perform sample rate conversion with separate rates for
1790 As default (dxs_support = 0), 48k fixed rate is chosen
1791 except for the known devices since the output is often
1792 noisy except for 48k on some mother boards due to the
1794 Please try once dxs_support=5 and if it works on other
1795 sample rates (e.g. 44.1kHz of mp3 playback), please let us
1796 know the PCI subsystem vendor/device id's (output of
1798 If dxs_support=5 does not work, try dxs_support=4; if it
1799 doesn't work too, try dxs_support=1. (dxs_support=1 is
1800 usually for old motherboards. The correct implemented
1801 board should work with 4 or 5.) If it still doesn't
1802 work and the default setting is ok, dxs_support=3 is the
1803 right choice. If the default setting doesn't work at all,
1804 try dxs_support=2 to disable the DXS channels.
1805 In any cases, please let us know the result and the
1806 subsystem vendor/device ids. See "Links and Addresses"
1809 Note: for the MPU401 on VIA823x, use snd-mpu401 driver
1810 additionally. The mpu_port option is for VIA686 chips only.
1812 The power-management is supported.
1814 Module snd-via82xx-modem
1815 ------------------------
1817 Module for VIA82xx AC97 modem
1819 ac97_clock - AC'97 codec clock base (default 48000Hz)
1821 This module supports one card and autoprobe.
1823 Note: The default index value of this module is -2, i.e. the first
1826 The power-management is supported.
1831 Module for virtual rawmidi devices.
1832 This module creates virtual rawmidi devices which communicate
1833 to the corresponding ALSA sequencer ports.
1835 midi_devs - MIDI devices # (1-4, default=4)
1837 This module supports multiple cards.
1842 Module for Digigram VX-Pocket VX222, V222 v2 and Mic cards.
1844 mic - Enable Microphone on V222 Mic (NYI)
1845 ibl - Capture IBL size. (default = 0, minimum size)
1847 This module supports multiple cards.
1849 When the driver is compiled as a module and the hotplug firmware
1850 is supported, the firmware data is loaded via hotplug automatically.
1851 Install the necessary firmware files in alsa-firmware package.
1852 When no hotplug fw loader is available, you need to load the
1853 firmware via vxloader utility in alsa-tools package. To invoke
1854 vxloader automatically, add the following to /etc/modprobe.conf
1856 install snd-vx222 /sbin/modprobe --first-time -i snd-vx222 && /usr/bin/vxloader
1858 (for 2.2/2.4 kernels, add "post-install /usr/bin/vxloader" to
1859 /etc/modules.conf, instead.)
1860 IBL size defines the interrupts period for PCM. The smaller size
1861 gives smaller latency but leads to more CPU consumption, too.
1862 The size is usually aligned to 126. As default (=0), the smallest
1863 size is chosen. The possible IBL values can be found in
1864 /proc/asound/cardX/vx-status proc file.
1866 The power-management is supported.
1871 Module for Digigram VX-Pocket VX2 and 440 PCMCIA cards.
1873 ibl - Capture IBL size. (default = 0, minimum size)
1875 This module supports multiple cards. The module is compiled only when
1876 PCMCIA is supported on kernel.
1878 With the older 2.6.x kernel, to activate the driver via the card
1879 manager, you'll need to set up /etc/pcmcia/vxpocket.conf. See the
1880 sound/pcmcia/vx/vxpocket.c. 2.6.13 or later kernel requires no
1881 longer require a config file.
1883 When the driver is compiled as a module and the hotplug firmware
1884 is supported, the firmware data is loaded via hotplug automatically.
1885 Install the necessary firmware files in alsa-firmware package.
1886 When no hotplug fw loader is available, you need to load the
1887 firmware via vxloader utility in alsa-tools package.
1889 About capture IBL, see the description of snd-vx222 module.
1891 Note: snd-vxp440 driver is merged to snd-vxpocket driver since
1894 The power-management is supported.
1899 Module for Yamaha PCI chips (YMF72x, YMF74x & YMF75x).
1901 mpu_port - 0x300,0x330,0x332,0x334, 0 (disable) by default,
1902 1 (auto-detect for YMF744/754 only)
1903 fm_port - 0x388,0x398,0x3a0,0x3a8, 0 (disable) by default
1904 1 (auto-detect for YMF744/754 only)
1905 joystick_port - 0x201,0x202,0x204,0x205, 0 (disable) by default,
1907 rear_switch - enable shared rear/line-in switch (bool)
1909 This module supports autoprobe and multiple chips.
1911 The power-management is supported.
1913 Module snd-pdaudiocf
1914 --------------------
1916 Module for Sound Core PDAudioCF sound card.
1918 The power-management is supported.
1924 The ac97_quirk option is used to enable/override the workaround for
1925 specific devices on drivers for on-board AC'97 controllers like
1926 snd-intel8x0. Some hardware have swapped output pins between Master
1927 and Headphone, or Surround (thanks to confusion of AC'97
1928 specifications from version to version :-)
1930 The driver provides the auto-detection of known problematic devices,
1931 but some might be unknown or wrongly detected. In such a case, pass
1932 the proper value with this option.
1934 The following strings are accepted:
1935 - default Don't override the default setting
1936 - none Disable the quirk
1937 - hp_only Bind Master and Headphone controls as a single control
1938 - swap_hp Swap headphone and master controls
1939 - swap_surround Swap master and surround controls
1940 - ad_sharing For AD1985, turn on OMS bit and use headphone
1941 - alc_jack For ALC65x, turn on the jack sense mode
1942 - inv_eapd Inverted EAPD implementation
1943 - mute_led Bind EAPD bit for turning on/off mute LED
1945 For backward compatibility, the corresponding integer value -1, 0,
1946 ... are accepted, too.
1948 For example, if "Master" volume control has no effect on your device
1949 but only "Headphone" does, pass ac97_quirk=hp_only module option.
1952 Configuring Non-ISAPNP Cards
1953 ============================
1955 When the kernel is configured with ISA-PnP support, the modules
1956 supporting the isapnp cards will have module options "isapnp".
1957 If this option is set, *only* the ISA-PnP devices will be probed.
1958 For probing the non ISA-PnP cards, you have to pass "isapnp=0" option
1959 together with the proper i/o and irq configuration.
1961 When the kernel is configured without ISA-PnP support, isapnp option
1962 will be not built in.
1965 Module Autoloading Support
1966 ==========================
1968 The ALSA drivers can be loaded automatically on demand by defining
1969 module aliases. The string 'snd-card-%1' is requested for ALSA native
1970 devices where %i is sound card number from zero to seven.
1972 To auto-load an ALSA driver for OSS services, define the string
1973 'sound-slot-%i' where %i means the slot number for OSS, which
1974 corresponds to the card index of ALSA. Usually, define this
1975 as the same card module.
1977 An example configuration for a single emu10k1 card is like below:
1978 ----- /etc/modprobe.conf
1979 alias snd-card-0 snd-emu10k1
1980 alias sound-slot-0 snd-emu10k1
1981 ----- /etc/modprobe.conf
1983 The available number of auto-loaded sound cards depends on the module
1984 option "cards_limit" of snd module. As default it's set to 1.
1985 To enable the auto-loading of multiple cards, specify the number of
1986 sound cards in that option.
1988 When multiple cards are available, it'd better to specify the index
1989 number for each card via module option, too, so that the order of
1990 cards is kept consistent.
1992 An example configuration for two sound cards is like below:
1994 ----- /etc/modprobe.conf
1996 options snd cards_limit=2
1997 alias snd-card-0 snd-interwave
1998 alias snd-card-1 snd-ens1371
1999 options snd-interwave index=0
2000 options snd-ens1371 index=1
2002 alias sound-slot-0 snd-interwave
2003 alias sound-slot-1 snd-ens1371
2004 ----- /etc/modprobe.conf
2006 In this example, the interwave card is always loaded as the first card
2007 (index 0) and ens1371 as the second (index 1).
2010 ALSA PCM devices to OSS devices mapping
2011 =======================================
2013 /dev/snd/pcmC0D0[c|p] -> /dev/audio0 (/dev/audio) -> minor 4
2014 /dev/snd/pcmC0D0[c|p] -> /dev/dsp0 (/dev/dsp) -> minor 3
2015 /dev/snd/pcmC0D1[c|p] -> /dev/adsp0 (/dev/adsp) -> minor 12
2016 /dev/snd/pcmC1D0[c|p] -> /dev/audio1 -> minor 4+16 = 20
2017 /dev/snd/pcmC1D0[c|p] -> /dev/dsp1 -> minor 3+16 = 19
2018 /dev/snd/pcmC1D1[c|p] -> /dev/adsp1 -> minor 12+16 = 28
2019 /dev/snd/pcmC2D0[c|p] -> /dev/audio2 -> minor 4+32 = 36
2020 /dev/snd/pcmC2D0[c|p] -> /dev/dsp2 -> minor 3+32 = 39
2021 /dev/snd/pcmC2D1[c|p] -> /dev/adsp2 -> minor 12+32 = 44
2023 The first number from /dev/snd/pcmC{X}D{Y}[c|p] expression means
2024 sound card number and second means device number. The ALSA devices
2025 have either 'c' or 'p' suffix indicating the direction, capture and
2026 playback, respectively.
2028 Please note that the device mapping above may be varied via the module
2029 options of snd-pcm-oss module.
2032 Proc interfaces (/proc/asound)
2033 ==============================
2035 /proc/asound/card#/pcm#[cp]/oss
2036 -------------------------------
2037 String "erase" - erase all additional informations about OSS applications
2038 String "<app_name> <fragments> <fragment_size> [<options>]"
2040 <app_name> - name of application with (higher priority) or without path
2041 <fragments> - number of fragments or zero if auto
2042 <fragment_size> - size of fragment in bytes or zero if auto
2043 <options> - optional parameters
2044 - disable the application tries to open a pcm device for
2045 this channel but does not want to use it.
2046 (Cause a bug or mmap needs)
2047 It's good for Quake etc...
2048 - direct don't use plugins
2049 - block force block mode (rvplayer)
2050 - non-block force non-block mode
2051 - whole-frag write only whole fragments (optimization affecting
2053 - no-silence do not fill silence ahead to avoid clicks
2054 - buggy-ptr Returns the whitespace blocks in GETOPTR ioctl
2055 instead of filled blocks
2057 Example: echo "x11amp 128 16384" > /proc/asound/card0/pcm0p/oss
2058 echo "squake 0 0 disable" > /proc/asound/card0/pcm0c/oss
2059 echo "rvplayer 0 0 block" > /proc/asound/card0/pcm0p/oss
2062 Early Buffer Allocation
2063 =======================
2065 Some drivers (e.g. hdsp) require the large contiguous buffers, and
2066 sometimes it's too late to find such spaces when the driver module is
2067 actually loaded due to memory fragmentation. You can pre-allocate the
2068 PCM buffers by loading snd-page-alloc module and write commands to its
2069 proc file in prior, for example, in the early boot stage like
2070 /etc/init.d/*.local scripts.
2072 Reading the proc file /proc/drivers/snd-page-alloc shows the current
2073 usage of page allocation. In writing, you can send the following
2074 commands to the snd-page-alloc driver:
2076 - add VENDOR DEVICE MASK SIZE BUFFERS
2078 VENDOR and DEVICE are PCI vendor and device IDs. They take
2079 integer numbers (0x prefix is needed for the hex).
2080 MASK is the PCI DMA mask. Pass 0 if not restricted.
2081 SIZE is the size of each buffer to allocate. You can pass
2082 k and m suffix for KB and MB. The max number is 16MB.
2083 BUFFERS is the number of buffers to allocate. It must be greater
2084 than 0. The max number is 4.
2088 This will erase the all pre-allocated buffers which are not in
2095 ALSA project homepage
2096 http://www.alsa-project.org
2098 ALSA Bug Tracking System
2099 https://bugtrack.alsa-project.org/bugs/
2102 mailto:alsa-devel@alsa-project.org
git://ftp.safe.ca / safe / jmp / linux-2.6 / blob