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 (default), 0 = disable (default)
374 soft_ac3 - Software-conversion of raw SPDIF packets (model 033 only)
376 joystick_port - Joystick port address (0 = disable, 1 = auto-detect)
378 This module supports autoprobe and multiple cards.
380 The power-management is supported.
385 Module for sound cards based on CS4231 ISA chips.
387 port - port # for CS4231 chip
388 mpu_port - port # for MPU-401 UART (optional), -1 = disable
389 irq - IRQ # for CS4231 chip
390 mpu_irq - IRQ # for MPU-401 UART
391 dma1 - first DMA # for CS4231 chip
392 dma2 - second DMA # for CS4231 chip
394 This module supports multiple cards. This module does not support autoprobe
395 thus main port must be specified!!! Other ports are optional.
397 The power-management is supported.
402 Module for sound cards based on CS4232/CS4232A ISA chips.
404 port - port # for CS4232 chip (PnP setup - 0x534)
405 cport - control port # for CS4232 chip (PnP setup - 0x120,0x210,0xf00)
406 mpu_port - port # for MPU-401 UART (PnP setup - 0x300), -1 = disable
407 fm_port - FM port # for CS4232 chip (PnP setup - 0x388), -1 = disable
408 irq - IRQ # for CS4232 chip (5,7,9,11,12,15)
409 mpu_irq - IRQ # for MPU-401 UART (9,11,12,15)
410 dma1 - first DMA # for CS4232 chip (0,1,3)
411 dma2 - second DMA # for Yamaha CS4232 chip (0,1,3), -1 = disable
412 isapnp - ISA PnP detection - 0 = disable, 1 = enable (default)
414 This module supports multiple cards. This module does not support autoprobe
415 thus main port must be specified!!! Other ports are optional.
417 The power-management is supported.
422 Module for sound cards based on CS4235/CS4236/CS4236B/CS4237B/
423 CS4238B/CS4239 ISA chips.
425 port - port # for CS4236 chip (PnP setup - 0x534)
426 cport - control port # for CS4236 chip (PnP setup - 0x120,0x210,0xf00)
427 mpu_port - port # for MPU-401 UART (PnP setup - 0x300), -1 = disable
428 fm_port - FM port # for CS4236 chip (PnP setup - 0x388), -1 = disable
429 irq - IRQ # for CS4236 chip (5,7,9,11,12,15)
430 mpu_irq - IRQ # for MPU-401 UART (9,11,12,15)
431 dma1 - first DMA # for CS4236 chip (0,1,3)
432 dma2 - second DMA # for CS4236 chip (0,1,3), -1 = disable
433 isapnp - ISA PnP detection - 0 = disable, 1 = enable (default)
435 This module supports multiple cards. This module does not support autoprobe
436 (if ISA PnP is not used) thus main port and control port must be
437 specified!!! Other ports are optional.
439 The power-management is supported.
444 Module for Cirrus Logic CS4281 soundchip.
446 dual_codec - Secondary codec ID (0 = disable, default)
448 This module supports multiple cards.
450 The power-management is supported.
455 Module for PCI sound cards based on CS4610/CS4612/CS4614/CS4615/CS4622/
456 CS4624/CS4630/CS4280 PCI chips.
458 external_amp - Force to enable external amplifier.
459 thinkpad - Force to enable Thinkpad's CLKRUN control.
460 mmap_valid - Support OSS mmap mode (default = 0).
462 This module supports multiple cards and autoprobe.
463 Usually external amp and CLKRUN controls are detected automatically
464 from PCI sub vendor/device ids. If they don't work, give the options
467 The power-management is supported.
469 Module snd-cs5535audio
470 ----------------------
472 Module for multifunction CS5535 companion PCI device
474 The power-management is supported.
479 Module for Echoaudio Darla20
481 This module supports multiple cards.
482 The driver requires the firmware loader support on kernel.
487 Module for Echoaudio Darla24
489 This module supports multiple cards.
490 The driver requires the firmware loader support on kernel.
495 Module for Diamond Technologies DT-019X / Avance Logic ALS-007 (PnP
498 port - Port # (PnP setup)
499 mpu_port - Port # for MPU-401 (PnP setup)
500 fm_port - Port # for FM OPL-3 (PnP setup)
501 irq - IRQ # (PnP setup)
502 mpu_irq - IRQ # for MPU-401 (PnP setup)
503 dma8 - DMA # (PnP setup)
505 This module supports multiple cards. This module is enabled only with
508 The power-management is supported.
513 Module for the dummy sound card. This "card" doesn't do any output
514 or input, but you may use this module for any application which
515 requires a sound card (like RealPlayer).
517 The power-management is supported.
522 Module for Echoaudio 3G cards (Gina3G/Layla3G)
524 This module supports multiple cards.
525 The driver requires the firmware loader support on kernel.
530 Module for EMU10K1/EMU10k2 based PCI sound cards.
531 * Sound Blaster Live!
532 * Sound Blaster PCI 512
533 * Emu APS (partially supported)
534 * Sound Blaster Audigy
536 extin - bitmap of available external inputs for FX8010 (see bellow)
537 extout - bitmap of available external outputs for FX8010 (see bellow)
538 seq_ports - allocated sequencer ports (4 by default)
539 max_synth_voices - limit of voices used for wavetable (64 by default)
540 max_buffer_size - specifies the maximum size of wavetable/pcm buffers
541 given in MB unit. Default value is 128.
542 enable_ir - enable IR
544 This module supports multiple cards and autoprobe.
546 Input & Output configurations [extin/extout]
547 * Creative Card wo/Digital out [0x0003/0x1f03]
548 * Creative Card w/Digital out [0x0003/0x1f0f]
549 * Creative Card w/Digital CD in [0x000f/0x1f0f]
550 * Creative Card wo/Digital out + LiveDrive [0x3fc3/0x1fc3]
551 * Creative Card w/Digital out + LiveDrive [0x3fc3/0x1fcf]
552 * Creative Card w/Digital CD in + LiveDrive [0x3fcf/0x1fcf]
553 * Creative Card wo/Digital out + Digital I/O 2 [0x0fc3/0x1f0f]
554 * Creative Card w/Digital out + Digital I/O 2 [0x0fc3/0x1f0f]
555 * Creative Card w/Digital CD in + Digital I/O 2 [0x0fcf/0x1f0f]
556 * Creative Card 5.1/w Digital out + LiveDrive [0x3fc3/0x1fff]
557 * Creative Card 5.1 (c) 2003 [0x3fc3/0x7cff]
558 * Creative Card all ins and outs [0x3fff/0x7fff]
560 The power-management is supported.
565 Module for Creative Emu10k1X (SB Live Dell OEM version)
567 This module supports multiple cards.
572 Module for Ensoniq AudioPCI ES1370 PCI sound cards.
573 * SoundBlaster PCI 64
574 * SoundBlaster PCI 128
576 joystick - Enable joystick (default off)
578 This module supports multiple cards and autoprobe.
580 The power-management is supported.
585 Module for Ensoniq AudioPCI ES1371 PCI sound cards.
586 * SoundBlaster PCI 64
587 * SoundBlaster PCI 128
588 * SoundBlaster Vibra PCI
590 joystick_port - port # for joystick (0x200,0x208,0x210,0x218),
591 0 = disable (default), 1 = auto-detect
593 This module supports multiple cards and autoprobe.
595 The power-management is supported.
600 Module for sound cards based on ESS ES968 chip (PnP only).
602 port - port # for ES968 (SB8) chip (PnP setup)
603 irq - IRQ # for ES968 (SB8) chip (PnP setup)
604 dma1 - DMA # for ES968 (SB8) chip (PnP setup)
606 This module supports multiple cards, PnP and autoprobe.
608 The power-management is supported.
613 Module for ESS AudioDrive ES-1688 and ES-688 sound cards.
615 port - port # for ES-1688 chip (0x220,0x240,0x260)
616 mpu_port - port # for MPU-401 port (0x300,0x310,0x320,0x330), -1 = disable (default)
617 irq - IRQ # for ES-1688 chip (5,7,9,10)
618 mpu_irq - IRQ # for MPU-401 port (5,7,9,10)
619 dma8 - DMA # for ES-1688 chip (0,1,3)
621 This module supports multiple cards and autoprobe (without MPU-401 port).
626 Module for ESS AudioDrive ES-18xx sound cards.
628 port - port # for ES-18xx chip (0x220,0x240,0x260)
629 mpu_port - port # for MPU-401 port (0x300,0x310,0x320,0x330), -1 = disable (default)
630 fm_port - port # for FM (optional, not used)
631 irq - IRQ # for ES-18xx chip (5,7,9,10)
632 dma1 - first DMA # for ES-18xx chip (0,1,3)
633 dma2 - first DMA # for ES-18xx chip (0,1,3)
634 isapnp - ISA PnP detection - 0 = disable, 1 = enable (default)
636 This module supports multiple cards, ISA PnP and autoprobe (without MPU-401
637 port if native ISA PnP routines are not used).
638 When dma2 is equal with dma1, the driver works as half-duplex.
640 The power-management is supported.
645 Module for sound cards based on ESS Solo-1 (ES1938,ES1946) chips.
647 This module supports multiple cards and autoprobe.
649 The power-management is supported.
654 Module for sound cards based on ESS Maestro-1/2/2E (ES1968/ES1978) chips.
656 total_bufsize - total buffer size in kB (1-4096kB)
657 pcm_substreams_p - playback channels (1-8, default=2)
658 pcm_substreams_c - capture channels (1-8, default=0)
659 clock - clock (0 = auto-detection)
660 use_pm - support the power-management (0 = off, 1 = on,
662 enable_mpu - enable MPU401 (0 = off, 1 = on, 2 = auto (default))
663 joystick - enable joystick (default off)
665 This module supports multiple cards and autoprobe.
667 The power-management is supported.
672 Module for ForteMedia FM801 based PCI sound cards.
674 tea575x_tuner - Enable TEA575x tuner
675 - 1 = MediaForte 256-PCS
676 - 2 = MediaForte 256-PCPR
677 - 3 = MediaForte 64-PCR
678 - High 16-bits are video (radio) device number + 1
679 - example: 0x10002 (MediaForte 256-PCPR, device 1)
681 This module supports multiple cards and autoprobe.
683 The power-management is supported.
688 Module for Echoaudio Gina20
690 This module supports multiple cards.
691 The driver requires the firmware loader support on kernel.
696 Module for Echoaudio Gina24
698 This module supports multiple cards.
699 The driver requires the firmware loader support on kernel.
701 Module snd-gusclassic
702 ---------------------
704 Module for Gravis UltraSound Classic sound card.
706 port - port # for GF1 chip (0x220,0x230,0x240,0x250,0x260)
707 irq - IRQ # for GF1 chip (3,5,9,11,12,15)
708 dma1 - DMA # for GF1 chip (1,3,5,6,7)
709 dma2 - DMA # for GF1 chip (1,3,5,6,7,-1=disable)
710 joystick_dac - 0 to 31, (0.59V-4.52V or 0.389V-2.98V)
711 voices - GF1 voices limit (14-32)
712 pcm_voices - reserved PCM voices
714 This module supports multiple cards and autoprobe.
716 Module snd-gusextreme
717 ---------------------
719 Module for Gravis UltraSound Extreme (Synergy ViperMax) sound card.
721 port - port # for ES-1688 chip (0x220,0x230,0x240,0x250,0x260)
722 gf1_port - port # for GF1 chip (0x210,0x220,0x230,0x240,0x250,0x260,0x270)
723 mpu_port - port # for MPU-401 port (0x300,0x310,0x320,0x330), -1 = disable
724 irq - IRQ # for ES-1688 chip (5,7,9,10)
725 gf1_irq - IRQ # for GF1 chip (3,5,9,11,12,15)
726 mpu_irq - IRQ # for MPU-401 port (5,7,9,10)
727 dma8 - DMA # for ES-1688 chip (0,1,3)
728 dma1 - DMA # for GF1 chip (1,3,5,6,7)
729 joystick_dac - 0 to 31, (0.59V-4.52V or 0.389V-2.98V)
730 voices - GF1 voices limit (14-32)
731 pcm_voices - reserved PCM voices
733 This module supports multiple cards and autoprobe (without MPU-401 port).
738 Module for Gravis UltraSound MAX sound card.
740 port - port # for GF1 chip (0x220,0x230,0x240,0x250,0x260)
741 irq - IRQ # for GF1 chip (3,5,9,11,12,15)
742 dma1 - DMA # for GF1 chip (1,3,5,6,7)
743 dma2 - DMA # for GF1 chip (1,3,5,6,7,-1=disable)
744 joystick_dac - 0 to 31, (0.59V-4.52V or 0.389V-2.98V)
745 voices - GF1 voices limit (14-32)
746 pcm_voices - reserved PCM voices
748 This module supports multiple cards and autoprobe.
753 Module for Intel HD Audio (ICH6, ICH6M, ESB2, ICH7, ICH8),
754 ATI SB450, SB600, RS600,
758 model - force the model name
759 position_fix - Fix DMA pointer (0 = auto, 1 = none, 2 = POSBUF, 3 = FIFO size)
760 single_cmd - Use single immediate commands to communicate with
761 codecs (for debugging only)
762 enable_msi - Enable Message Signaled Interrupt (MSI) (default = off)
764 This module supports one card and autoprobe.
766 Each codec may have a model table for different configurations.
767 If your machine isn't listed there, the default (usually minimal)
768 configuration is set up. You can pass "model=<name>" option to
769 specify a certain model in such a case. There are different
770 models depending on the codec chip.
772 Model name Description
773 ---------- -----------
775 3stack 3-jack in back and a headphone out
776 3stack-digout 3-jack in back, a HP out and a SPDIF out
777 5stack 5-jack in back, 2-jack in front
778 5stack-digout 5-jack in back, 2-jack in front, a SPDIF out
779 6stack 6-jack in back, 2-jack in front
780 6stack-digout 6-jack with a SPDIF out
782 z71v 3-jack (HP shared SPDIF)
783 asus 3-jack (ASUS Mobo)
785 asus-dig ASUS with SPDIF out
786 asus-dig2 ASUS with SPDIF out (using GPIO2)
789 lg LG laptop (m1 express dual)
790 lg-lw LG LW20/LW25 laptop
792 clevo Clevo laptops (m520G, m665n)
793 test for testing/debugging purpose, almost all controls can be
794 adjusted. Appearing only when compiled with
796 auto auto-config reading BIOS (default)
800 hp-3013 HP machines (3013-variant)
801 fujitsu Fujitsu S7020
803 basic fixed pin assignment (old default model)
804 auto auto-config reading BIOS (default)
807 fujitsu Fujitsu Laptop
808 hp-bpc HP xw4400/6400/8400/9400 laptops
810 hippo Hippo (ATI) with jack detection, Sony UX-90s
811 hippo_1 Hippo (Benq) with jack detection
812 basic fixed pin assignment w/o SPDIF
813 auto auto-config reading BIOS (default)
816 3stack-dig 3-jack with SPDIF I/O
817 6stck-dig 6-jack digital with SPDIF I/O
819 auto auto-config reading BIOS (default)
822 3stack-dig 3-jack with SPDIF I/O
823 6stack-dig 6-jack digital with SPDIF I/O
824 3stack-6ch 3-jack 6-channel
825 3stack-6ch-dig 3-jack 6-channel with SPDIF I/O
826 6stack-dig-demo 6-jack digital for Intel demo board
827 acer Acer laptops (Travelmate 3012WTMi, Aspire 5600, etc)
828 medion Medion Laptops
830 targa-2ch-dig Targs/MSI with 2-channel
831 laptop-eapd 3-jack with SPDIF I/O and EAPD (Clevo M540JE, M550JE)
832 auto auto-config reading BIOS (default)
836 3stack-dig 3-jack with SPDIF I/O
837 6stack-dig 6-jack with SPDIF I/O
838 3stack-660 3-jack (for ALC660)
839 uniwill-m31 Uniwill M31 laptop
840 toshiba Toshiba laptop support
841 asus Asus laptop support
842 asus-laptop ASUS F2/F3 laptops
843 auto auto-config reading BIOS (default)
846 minimal 3-jack in back
847 min_fp 3-jack in back, 2-jack in front
848 full 6-jack in back, 2-jack in front
849 full_dig 6-jack in back, 2-jack in front, SPDIF I/O
850 allout 5-jack in back, 2-jack in front, SPDIF out
851 auto auto-config reading BIOS (default)
854 basic 3-jack (default)
856 thinkpad Lenovo Thinkpad T60/X60/Z60
859 6stack 6-jack, separate surrounds (default)
860 3stack 3-stack, shared surrounds
861 laptop 2-channel only (FSC V2060, Samsung M50)
862 laptop-eapd 2-channel with EAPD (Samsung R65, ASUS A6J)
866 6stack-dig ditto with SPDIF
868 3stack-dig ditto with SPDIF
869 laptop 3-jack with hp-jack automute
870 laptop-dig ditto with SPDIF
871 auto auto-config reading BIOS (default)
875 test for testing/debugging purpose, almost all controls
876 can be adjusted. Appearing only when compiled with
880 laptop Basic Laptop config
881 laptop-hp Laptop config for some HP models (subdevice 30A5)
882 laptop-eapd Laptop config with EAPD support
883 test for testing/debugging purpose, almost all controls
884 can be adjusted. Appearing only when compiled with
887 STAC9200/9205/9220/9221/9254
890 5stack D945 5stack + SPDIF
892 STAC9227/9228/9229/927x
895 5stack D965 5stack + SPDIF
898 vaio Setup for VAIO FE550G/SZ110
899 vaio-ar Setup for VAIO AR
901 If the default configuration doesn't work and one of the above
902 matches with your device, report it together with the PCI
903 subsystem ID (output of "lspci -nv") to ALSA BTS or alsa-devel
904 ML (see the section "Links and Addresses").
906 Note 2: If you get click noises on output, try the module option
907 position_fix=1 or 2. position_fix=1 will use the SD_LPIB
908 register value without FIFO size correction as the current
909 DMA pointer. position_fix=2 will make the driver to use
910 the position buffer instead of reading SD_LPIB register.
911 (Usually SD_LPLIB register is more accurate than the
914 NB: If you get many "azx_get_response timeout" messages at
915 loading, it's likely a problem of interrupts (e.g. ACPI irq
916 routing). Try to boot with options like "pci=noacpi". Also, you
917 can try "single_cmd=1" module option. This will switch the
918 communication method between HDA controller and codecs to the
919 single immediate commands instead of CORB/RIRB. Basically, the
920 single command mode is provided only for BIOS, and you won't get
921 unsolicited events, too. But, at least, this works independently
922 from the irq. Remember this is a last resort, and should be
923 avoided as much as possible...
925 The power-management is supported.
930 Module for RME Hammerfall DSP audio interface(s)
932 This module supports multiple cards.
934 Note: The firmware data can be automatically loaded via hotplug
935 when CONFIG_FW_LOADER is set. Otherwise, you need to load
936 the firmware via hdsploader utility included in alsa-tools
938 The firmware data is found in alsa-firmware package.
940 Note: snd-page-alloc module does the job which snd-hammerfall-mem
941 module did formerly. It will allocate the buffers in advance
942 when any HDSP cards are found. To make the buffer
943 allocation sure, load snd-page-alloc module in the early
944 stage of boot sequence. See "Early Buffer Allocation"
950 Module for RME HDSP MADI board.
952 precise_ptr - Enable precise pointer, or disable.
953 line_outs_monitor - Send playback streams to analog outs by default.
954 enable_monitor - Enable Analog Out on Channel 63/64 by default.
956 See hdspm.txt for details.
961 Module for Envy24 (ICE1712) based PCI sound cards.
962 * MidiMan M Audio Delta 1010
963 * MidiMan M Audio Delta 1010LT
964 * MidiMan M Audio Delta DiO 2496
965 * MidiMan M Audio Delta 66
966 * MidiMan M Audio Delta 44
967 * MidiMan M Audio Delta 410
968 * MidiMan M Audio Audiophile 2496
974 * Hoontech SoundTrack DSP 24
975 * Hoontech SoundTrack DSP 24 Value
976 * Hoontech SoundTrack DSP 24 Media 7.1
977 * Event Electronics, EZ8
979 * Lionstracs, Mediastaton
981 model - Use the given board model, one of the following:
982 delta1010, dio2496, delta66, delta44, audiophile, delta410,
983 delta1010lt, vx442, ewx2496, ews88mt, ews88mt_new, ews88d,
984 dmx6fire, dsp24, dsp24_value, dsp24_71, ez8,
985 phase88, mediastation
986 omni - Omni I/O support for MidiMan M-Audio Delta44/66
987 cs8427_timeout - reset timeout for the CS8427 chip (S/PDIF transceiver)
988 in msec resolution, default value is 500 (0.5 sec)
990 This module supports multiple cards and autoprobe. Note: The consumer part
991 is not used with all Envy24 based cards (for example in the MidiMan Delta
994 Note: The supported board is detected by reading EEPROM or PCI
995 SSID (if EEPROM isn't available). You can override the
996 model by passing "model" module option in case that the
997 driver isn't configured properly or you want to try another
1003 Module for Envy24HT (VT/ICE1724), Envy24PT (VT1720) based PCI sound cards.
1004 * MidiMan M Audio Revolution 5.1
1005 * MidiMan M Audio Revolution 7.1
1006 * MidiMan M Audio Audiophile 192
1008 * TerraTec Aureon 5.1 Sky
1009 * TerraTec Aureon 7.1 Space
1010 * TerraTec Aureon 7.1 Universe
1013 * AudioTrak Prodigy 7.1
1014 * AudioTrak Prodigy 7.1LT
1015 * AudioTrak Prodigy 192
1017 * Albatron K8X800 Pro II
1018 * Chaintech ZNF3-150
1019 * Chaintech ZNF3-250
1024 model - Use the given board model, one of the following:
1025 revo51, revo71, amp2000, prodigy71, prodigy71lt,
1026 prodigy192, aureon51, aureon71, universe, ap192,
1027 k8x800, phase22, phase28, ms300, av710
1029 This module supports multiple cards and autoprobe.
1031 Note: The supported board is detected by reading EEPROM or PCI
1032 SSID (if EEPROM isn't available). You can override the
1033 model by passing "model" module option in case that the
1034 driver isn't configured properly or you want to try another
1040 Module for Echoaudio Indigo
1042 This module supports multiple cards.
1043 The driver requires the firmware loader support on kernel.
1048 Module for Echoaudio Indigo DJ
1050 This module supports multiple cards.
1051 The driver requires the firmware loader support on kernel.
1056 Module for Echoaudio Indigo IO
1058 This module supports multiple cards.
1059 The driver requires the firmware loader support on kernel.
1064 Module for AC'97 motherboards from Intel and compatibles.
1065 * Intel i810/810E, i815, i820, i830, i84x, MX440
1066 ICH5, ICH6, ICH7, ESB2
1067 * SiS 7012 (SiS 735)
1068 * NVidia NForce, NForce2, NForce3, MCP04, CK804
1070 * AMD AMD768, AMD8111
1073 ac97_clock - AC'97 codec clock base (0 = auto-detect)
1074 ac97_quirk - AC'97 workaround for strange hardware
1075 See "AC97 Quirk Option" section below.
1076 buggy_irq - Enable workaround for buggy interrupts on some
1077 motherboards (default yes on nForce chips,
1079 buggy_semaphore - Enable workaround for hardwares with buggy
1080 semaphores (e.g. on some ASUS laptops)
1082 spdif_aclink - Use S/PDIF over AC-link instead of direct connection
1083 from the controller chip
1084 (0 = off, 1 = on, -1 = default)
1086 This module supports one chip and autoprobe.
1088 Note: the latest driver supports auto-detection of chip clock.
1089 if you still encounter too fast playback, specify the clock
1090 explicitly via the module option "ac97_clock=41194".
1092 Joystick/MIDI ports are not supported by this driver. If your
1093 motherboard has these devices, use the ns558 or snd-mpu401
1094 modules, respectively.
1096 The power-management is supported.
1098 Module snd-intel8x0m
1099 --------------------
1101 Module for Intel ICH (i8x0) chipset MC97 modems.
1102 * Intel i810/810E, i815, i820, i830, i84x, MX440
1104 * SiS 7013 (SiS 735)
1105 * NVidia NForce, NForce2, NForce2s, NForce3
1109 ac97_clock - AC'97 codec clock base (0 = auto-detect)
1111 This module supports one card and autoprobe.
1113 Note: The default index value of this module is -2, i.e. the first
1116 The power-management is supported.
1118 Module snd-interwave
1119 --------------------
1121 Module for Gravis UltraSound PnP, Dynasonic 3-D/Pro, STB Sound Rage 32
1122 and other sound cards based on AMD InterWave (tm) chip.
1124 port - port # for InterWave chip (0x210,0x220,0x230,0x240,0x250,0x260)
1125 irq - IRQ # for InterWave chip (3,5,9,11,12,15)
1126 dma1 - DMA # for InterWave chip (0,1,3,5,6,7)
1127 dma2 - DMA # for InterWave chip (0,1,3,5,6,7,-1=disable)
1128 joystick_dac - 0 to 31, (0.59V-4.52V or 0.389V-2.98V)
1129 midi - 1 = MIDI UART enable, 0 = MIDI UART disable (default)
1130 pcm_voices - reserved PCM voices for the synthesizer (default 2)
1131 effect - 1 = InterWave effects enable (default 0);
1134 This module supports multiple cards, autoprobe and ISA PnP.
1136 Module snd-interwave-stb
1137 ------------------------
1139 Module for UltraSound 32-Pro (sound card from STB used by Compaq)
1140 and other sound cards based on AMD InterWave (tm) chip with TEA6330T
1141 circuit for extended control of bass, treble and master volume.
1143 port - port # for InterWave chip (0x210,0x220,0x230,0x240,0x250,0x260)
1144 port_tc - tone control (i2c bus) port # for TEA6330T chip (0x350,0x360,0x370,0x380)
1145 irq - IRQ # for InterWave chip (3,5,9,11,12,15)
1146 dma1 - DMA # for InterWave chip (0,1,3,5,6,7)
1147 dma2 - DMA # for InterWave chip (0,1,3,5,6,7,-1=disable)
1148 joystick_dac - 0 to 31, (0.59V-4.52V or 0.389V-2.98V)
1149 midi - 1 = MIDI UART enable, 0 = MIDI UART disable (default)
1150 pcm_voices - reserved PCM voices for the synthesizer (default 2)
1151 effect - 1 = InterWave effects enable (default 0);
1154 This module supports multiple cards, autoprobe and ISA PnP.
1159 Module for Korg 1212 IO PCI card
1161 This module supports multiple cards.
1166 Module for Echoaudio Layla20
1168 This module supports multiple cards.
1169 The driver requires the firmware loader support on kernel.
1174 Module for Echoaudio Layla24
1176 This module supports multiple cards.
1177 The driver requires the firmware loader support on kernel.
1182 Module for Allegro/Maestro3 chips
1184 external_amp - enable external amp (enabled by default)
1185 amp_gpio - GPIO pin number for external amp (0-15) or
1186 -1 for default pin (8 for allegro, 1 for
1189 This module supports autoprobe and multiple chips.
1191 Note: the binding of amplifier is dependent on hardware.
1192 If there is no sound even though all channels are unmuted, try to
1193 specify other gpio connection via amp_gpio option.
1194 For example, a Panasonic notebook might need "amp_gpio=0x0d"
1197 The power-management is supported.
1202 Module for Echoaudio Mia
1204 This module supports multiple cards.
1205 The driver requires the firmware loader support on kernel.
1210 Module for Miro soundcards: miroSOUND PCM 1 pro,
1212 miroSOUND PCM 20 Radio.
1214 port - Port # (0x530,0x604,0xe80,0xf40)
1215 irq - IRQ # (5,7,9,10,11)
1216 dma1 - 1st dma # (0,1,3)
1217 dma2 - 2nd dma # (0,1)
1218 mpu_port - MPU-401 port # (0x300,0x310,0x320,0x330)
1219 mpu_irq - MPU-401 irq # (5,7,9,10)
1220 fm_port - FM Port # (0x388)
1221 wss - enable WSS mode
1222 ide - enable onboard ide support
1227 Module for Digigram miXart8 sound cards.
1229 This module supports multiple cards.
1230 Note: One miXart8 board will be represented as 4 alsa cards.
1231 See MIXART.txt for details.
1233 When the driver is compiled as a module and the hotplug firmware
1234 is supported, the firmware data is loaded via hotplug automatically.
1235 Install the necessary firmware files in alsa-firmware package.
1236 When no hotplug fw loader is available, you need to load the
1237 firmware via mixartloader utility in alsa-tools package.
1242 Module for Echoaudio Mona
1244 This module supports multiple cards.
1245 The driver requires the firmware loader support on kernel.
1250 Module for MPU-401 UART devices.
1252 port - port number or -1 (disable)
1253 irq - IRQ number or -1 (disable)
1254 pnp - PnP detection - 0 = disable, 1 = enable (default)
1256 This module supports multiple devices and PnP.
1261 Module for MOTU MidiTimePiece AV multiport MIDI (on the parallel
1264 port - I/O port # for MTPAV (0x378,0x278, default=0x378)
1265 irq - IRQ # for MTPAV (7,5, default=7)
1266 hwports - number of supported hardware ports, default=8.
1268 Module supports only 1 card. This module has no enable option.
1273 Module for Ego Systems (ESI) Miditerminal 4140
1275 This module supports multiple devices.
1276 Requires parport (CONFIG_PARPORT).
1281 Module for NeoMagic NM256AV/ZX chips
1283 playback_bufsize - max playback frame size in kB (4-128kB)
1284 capture_bufsize - max capture frame size in kB (4-128kB)
1285 force_ac97 - 0 or 1 (disabled by default)
1286 buffer_top - specify buffer top address
1287 use_cache - 0 or 1 (disabled by default)
1288 vaio_hack - alias buffer_top=0x25a800
1289 reset_workaround - enable AC97 RESET workaround for some laptops
1290 reset_workaround2 - enable extended AC97 RESET workaround for some
1293 This module supports one chip and autoprobe.
1295 The power-management is supported.
1297 Note: on some notebooks the buffer address cannot be detected
1298 automatically, or causes hang-up during initialization.
1299 In such a case, specify the buffer top address explicitly via
1300 the buffer_top option.
1302 Sony F250: buffer_top=0x25a800
1303 Sony F270: buffer_top=0x272800
1304 The driver supports only ac97 codec. It's possible to force
1305 to initialize/use ac97 although it's not detected. In such a
1306 case, use force_ac97=1 option - but *NO* guarantee whether it
1309 Note: The NM256 chip can be linked internally with non-AC97
1310 codecs. This driver supports only the AC97 codec, and won't work
1311 with machines with other (most likely CS423x or OPL3SAx) chips,
1312 even though the device is detected in lspci. In such a case, try
1313 other drivers, e.g. snd-cs4232 or snd-opl3sa2. Some has ISA-PnP
1314 but some doesn't have ISA PnP. You'll need to specify isapnp=0
1315 and proper hardware parameters in the case without ISA PnP.
1317 Note: some laptops need a workaround for AC97 RESET. For the
1318 known hardware like Dell Latitude LS and Sony PCG-F305, this
1319 workaround is enabled automatically. For other laptops with a
1320 hard freeze, you can try reset_workaround=1 option.
1322 Note: Dell Latitude CSx laptops have another problem regarding
1323 AC97 RESET. On these laptops, reset_workaround2 option is
1324 turned on as default. This option is worth to try if the
1325 previous reset_workaround option doesn't help.
1327 Note: This driver is really crappy. It's a porting from the
1328 OSS driver, which is a result of black-magic reverse engineering.
1329 The detection of codec will fail if the driver is loaded *after*
1330 X-server as described above. You might be able to force to load
1331 the module, but it may result in hang-up. Hence, make sure that
1332 you load this module *before* X if you encounter this kind of
1338 Module for Yamaha OPL3-SA2/SA3 sound cards.
1340 port - control port # for OPL3-SA chip (0x370)
1341 sb_port - SB port # for OPL3-SA chip (0x220,0x240)
1342 wss_port - WSS port # for OPL3-SA chip (0x530,0xe80,0xf40,0x604)
1343 midi_port - port # for MPU-401 UART (0x300,0x330), -1 = disable
1344 fm_port - FM port # for OPL3-SA chip (0x388), -1 = disable
1345 irq - IRQ # for OPL3-SA chip (5,7,9,10)
1346 dma1 - first DMA # for Yamaha OPL3-SA chip (0,1,3)
1347 dma2 - second DMA # for Yamaha OPL3-SA chip (0,1,3), -1 = disable
1348 isapnp - ISA PnP detection - 0 = disable, 1 = enable (default)
1350 This module supports multiple cards and ISA PnP. It does not support
1351 autoprobe (if ISA PnP is not used) thus all ports must be specified!!!
1353 The power-management is supported.
1355 Module snd-opti92x-ad1848
1356 -------------------------
1358 Module for sound cards based on OPTi 82c92x and Analog Devices AD1848 chips.
1359 Module works with OAK Mozart cards as well.
1361 port - port # for WSS chip (0x530,0xe80,0xf40,0x604)
1362 mpu_port - port # for MPU-401 UART (0x300,0x310,0x320,0x330)
1363 fm_port - port # for OPL3 device (0x388)
1364 irq - IRQ # for WSS chip (5,7,9,10,11)
1365 mpu_irq - IRQ # for MPU-401 UART (5,7,9,10)
1366 dma1 - first DMA # for WSS chip (0,1,3)
1368 This module supports only one card, autoprobe and PnP.
1370 Module snd-opti92x-cs4231
1371 -------------------------
1373 Module for sound cards based on OPTi 82c92x and Crystal CS4231 chips.
1375 port - port # for WSS chip (0x530,0xe80,0xf40,0x604)
1376 mpu_port - port # for MPU-401 UART (0x300,0x310,0x320,0x330)
1377 fm_port - port # for OPL3 device (0x388)
1378 irq - IRQ # for WSS chip (5,7,9,10,11)
1379 mpu_irq - IRQ # for MPU-401 UART (5,7,9,10)
1380 dma1 - first DMA # for WSS chip (0,1,3)
1381 dma2 - second DMA # for WSS chip (0,1,3)
1383 This module supports only one card, autoprobe and PnP.
1388 Module for sound cards based on OPTi 82c93x chips.
1390 port - port # for WSS chip (0x530,0xe80,0xf40,0x604)
1391 mpu_port - port # for MPU-401 UART (0x300,0x310,0x320,0x330)
1392 fm_port - port # for OPL3 device (0x388)
1393 irq - IRQ # for WSS chip (5,7,9,10,11)
1394 mpu_irq - IRQ # for MPU-401 UART (5,7,9,10)
1395 dma1 - first DMA # for WSS chip (0,1,3)
1396 dma2 - second DMA # for WSS chip (0,1,3)
1398 This module supports only one card, autoprobe and PnP.
1403 Module for Digigram PCXHR boards
1405 This module supports multiple cards.
1407 Module snd-powermac (on ppc only)
1408 ---------------------------------
1410 Module for PowerMac, iMac and iBook on-board soundchips
1412 enable_beep - enable beep using PCM (enabled as default)
1414 Module supports autoprobe a chip.
1416 Note: the driver may have problems regarding endianess.
1418 The power-management is supported.
1420 Module snd-pxa2xx-ac97 (on arm only)
1421 ------------------------------------
1423 Module for AC97 driver for the Intel PXA2xx chip
1425 For ARM architecture only.
1427 The power-management is supported.
1432 Module for Conexant Riptide chip
1434 joystick_port - Joystick port # (default: 0x200)
1435 mpu_port - MPU401 port # (default: 0x330)
1436 opl3_port - OPL3 port # (default: 0x388)
1438 This module supports multiple cards.
1439 The driver requires the firmware loader support on kernel.
1440 You need to install the firmware file "riptide.hex" to the standard
1441 firmware path (e.g. /lib/firmware).
1446 Module for RME Digi32, Digi32 Pro and Digi32/8 (Sek'd Prodif32,
1447 Prodif96 and Prodif Gold) sound cards.
1449 This module supports multiple cards.
1454 Module for RME Digi96, Digi96/8 and Digi96/8 PRO/PAD/PST sound cards.
1456 This module supports multiple cards.
1461 Module for RME Digi9652 (Hammerfall, Hammerfall-Light) sound cards.
1463 precise_ptr - Enable precise pointer (doesn't work reliably).
1466 This module supports multiple cards.
1468 Note: snd-page-alloc module does the job which snd-hammerfall-mem
1469 module did formerly. It will allocate the buffers in advance
1470 when any RME9652 cards are found. To make the buffer
1471 allocation sure, load snd-page-alloc module in the early
1472 stage of boot sequence. See "Early Buffer Allocation"
1475 Module snd-sa11xx-uda1341 (on arm only)
1476 ---------------------------------------
1478 Module for Philips UDA1341TS on Compaq iPAQ H3600 sound card.
1480 Module supports only one card.
1481 Module has no enable and index options.
1483 The power-management is supported.
1488 Module for 8-bit SoundBlaster cards: SoundBlaster 1.0,
1492 port - port # for SB DSP chip (0x220,0x240,0x260)
1493 irq - IRQ # for SB DSP chip (5,7,9,10)
1494 dma8 - DMA # for SB DSP chip (1,3)
1496 This module supports multiple cards and autoprobe.
1498 The power-management is supported.
1500 Module snd-sb16 and snd-sbawe
1501 -----------------------------
1503 Module for 16-bit SoundBlaster cards: SoundBlaster 16 (PnP),
1504 SoundBlaster AWE 32 (PnP),
1505 SoundBlaster AWE 64 PnP
1507 port - port # for SB DSP 4.x chip (0x220,0x240,0x260)
1508 mpu_port - port # for MPU-401 UART (0x300,0x330), -1 = disable
1509 awe_port - base port # for EMU8000 synthesizer (0x620,0x640,0x660)
1510 (snd-sbawe module only)
1511 irq - IRQ # for SB DSP 4.x chip (5,7,9,10)
1512 dma8 - 8-bit DMA # for SB DSP 4.x chip (0,1,3)
1513 dma16 - 16-bit DMA # for SB DSP 4.x chip (5,6,7)
1514 mic_agc - Mic Auto-Gain-Control - 0 = disable, 1 = enable (default)
1515 csp - ASP/CSP chip support - 0 = disable (default), 1 = enable
1516 isapnp - ISA PnP detection - 0 = disable, 1 = enable (default)
1518 This module supports multiple cards, autoprobe and ISA PnP.
1520 Note: To use Vibra16X cards in 16-bit half duplex mode, you must
1521 disable 16bit DMA with dma16 = -1 module parameter.
1522 Also, all Sound Blaster 16 type cards can operate in 16-bit
1523 half duplex mode through 8-bit DMA channel by disabling their
1526 The power-management is supported.
1531 Module for Aztech Sound Galaxy sound card.
1533 sbport - Port # for SB16 interface (0x220,0x240)
1534 wssport - Port # for WSS interface (0x530,0xe80,0xf40,0x604)
1535 irq - IRQ # (7,9,10,11)
1538 This module supports multiple cards.
1540 The power-management is supported.
1545 Module for ENSONIQ SoundScape PnP cards.
1547 port - Port # (PnP setup)
1548 irq - IRQ # (PnP setup)
1549 mpu_irq - MPU-401 IRQ # (PnP setup)
1550 dma - DMA # (PnP setup)
1552 This module supports multiple cards. ISA PnP must be enabled.
1553 You need sscape_ctl tool in alsa-tools package for loading
1556 Module snd-sun-amd7930 (on sparc only)
1557 --------------------------------------
1559 Module for AMD7930 sound chips found on Sparcs.
1561 This module supports multiple cards.
1563 Module snd-sun-cs4231 (on sparc only)
1564 -------------------------------------
1566 Module for CS4231 sound chips found on Sparcs.
1568 This module supports multiple cards.
1570 Module snd-sun-dbri (on sparc only)
1571 -----------------------------------
1573 Module for DBRI sound chips found on Sparcs.
1575 This module supports multiple cards.
1577 Module snd-wavefront
1578 --------------------
1580 Module for Turtle Beach Maui, Tropez and Tropez+ sound cards.
1582 cs4232_pcm_port - Port # for CS4232 PCM interface.
1583 cs4232_pcm_irq - IRQ # for CS4232 PCM interface (5,7,9,11,12,15).
1584 cs4232_mpu_port - Port # for CS4232 MPU-401 interface.
1585 cs4232_mpu_irq - IRQ # for CS4232 MPU-401 interface (9,11,12,15).
1586 use_cs4232_midi - Use CS4232 MPU-401 interface
1587 (inaccessibly located inside your computer)
1588 ics2115_port - Port # for ICS2115
1589 ics2115_irq - IRQ # for ICS2115
1590 fm_port - FM OPL-3 Port #
1591 dma1 - DMA1 # for CS4232 PCM interface.
1592 dma2 - DMA2 # for CS4232 PCM interface.
1593 isapnp - ISA PnP detection - 0 = disable, 1 = enable (default)
1595 This module supports multiple cards and ISA PnP.
1597 Module snd-sonicvibes
1598 ---------------------
1600 Module for S3 SonicVibes PCI sound cards.
1601 * PINE Schubert 32 PCI
1603 reverb - Reverb Enable - 1 = enable, 0 = disable (default)
1604 - SoundCard must have onboard SRAM for this.
1605 mge - Mic Gain Enable - 1 = enable, 0 = disable (default)
1607 This module supports multiple cards and autoprobe.
1609 Module snd-serial-u16550
1610 ------------------------
1612 Module for UART16550A serial MIDI ports.
1614 port - port # for UART16550A chip
1615 irq - IRQ # for UART16550A chip, -1 = poll mode
1616 speed - speed in bauds (9600,19200,38400,57600,115200)
1618 base - base for divisor in bauds (57600,115200,230400,460800)
1620 outs - number of MIDI ports in a serial port (1-4)
1622 adaptor - Type of adaptor.
1623 0 = Soundcanvas, 1 = MS-124T, 2 = MS-124W S/A,
1624 3 = MS-124W M/B, 4 = Generic
1626 This module supports multiple cards. This module does not support autoprobe
1627 thus the main port must be specified!!! Other options are optional.
1632 Module for Trident 4DWave DX/NX sound cards.
1633 * Best Union Miss Melody 4DWave PCI
1635 * Warpspeed ONSpeed 4DWave PCI
1638 * CHIC True Sound 4Dwave
1639 * Shark Predator4D-PCI
1640 * Jaton SonicWave 4D
1642 pcm_channels - max channels (voices) reserved for PCM
1643 wavetable_size - max wavetable size in kB (4-?kb)
1645 This module supports multiple cards and autoprobe.
1647 The power-management is supported.
1649 Module snd-usb-audio
1650 --------------------
1652 Module for USB audio and USB MIDI devices.
1654 vid - Vendor ID for the device (optional)
1655 pid - Product ID for the device (optional)
1656 device_setup - Device specific magic number (optional)
1657 - Influence depends on the device
1660 This module supports multiple devices, autoprobe and hotplugging.
1662 Module snd-usb-usx2y
1663 --------------------
1665 Module for Tascam USB US-122, US-224 and US-428 devices.
1667 This module supports multiple devices, autoprobe and hotplugging.
1669 Note: you need to load the firmware via usx2yloader utility included
1670 in alsa-tools and alsa-firmware packages.
1675 Module for AC'97 motherboards based on VIA 82C686A/686B, 8233,
1676 8233A, 8233C, 8235, 8237 (south) bridge.
1678 mpu_port - 0x300,0x310,0x320,0x330, otherwise obtain BIOS setup
1680 joystick - Enable joystick (default off) [VIA686A/686B only]
1681 ac97_clock - AC'97 codec clock base (default 48000Hz)
1682 dxs_support - support DXS channels,
1683 0 = auto (default), 1 = enable, 2 = disable,
1684 3 = 48k only, 4 = no VRA, 5 = enable any sample
1685 rate and different sample rates on different
1687 [VIA8233/C, 8235, 8237 only]
1688 ac97_quirk - AC'97 workaround for strange hardware
1689 See "AC97 Quirk Option" section below.
1691 This module supports one chip and autoprobe.
1693 Note: on some SMP motherboards like MSI 694D the interrupts might
1694 not be generated properly. In such a case, please try to
1695 set the SMP (or MPS) version on BIOS to 1.1 instead of
1696 default value 1.4. Then the interrupt number will be
1697 assigned under 15. You might also upgrade your BIOS.
1699 Note: VIA8233/5/7 (not VIA8233A) can support DXS (direct sound)
1700 channels as the first PCM. On these channels, up to 4
1701 streams can be played at the same time, and the controller
1702 can perform sample rate conversion with separate rates for
1704 As default (dxs_support = 0), 48k fixed rate is chosen
1705 except for the known devices since the output is often
1706 noisy except for 48k on some mother boards due to the
1708 Please try once dxs_support=5 and if it works on other
1709 sample rates (e.g. 44.1kHz of mp3 playback), please let us
1710 know the PCI subsystem vendor/device id's (output of
1712 If dxs_support=5 does not work, try dxs_support=4; if it
1713 doesn't work too, try dxs_support=1. (dxs_support=1 is
1714 usually for old motherboards. The correct implemented
1715 board should work with 4 or 5.) If it still doesn't
1716 work and the default setting is ok, dxs_support=3 is the
1717 right choice. If the default setting doesn't work at all,
1718 try dxs_support=2 to disable the DXS channels.
1719 In any cases, please let us know the result and the
1720 subsystem vendor/device ids. See "Links and Addresses"
1723 Note: for the MPU401 on VIA823x, use snd-mpu401 driver
1724 additionally. The mpu_port option is for VIA686 chips only.
1726 The power-management is supported.
1728 Module snd-via82xx-modem
1729 ------------------------
1731 Module for VIA82xx AC97 modem
1733 ac97_clock - AC'97 codec clock base (default 48000Hz)
1735 This module supports one card and autoprobe.
1737 Note: The default index value of this module is -2, i.e. the first
1740 The power-management is supported.
1745 Module for virtual rawmidi devices.
1746 This module creates virtual rawmidi devices which communicate
1747 to the corresponding ALSA sequencer ports.
1749 midi_devs - MIDI devices # (1-4, default=4)
1751 This module supports multiple cards.
1756 Module for Digigram VX-Pocket VX222, V222 v2 and Mic cards.
1758 mic - Enable Microphone on V222 Mic (NYI)
1759 ibl - Capture IBL size. (default = 0, minimum size)
1761 This module supports multiple cards.
1763 When the driver is compiled as a module and the hotplug firmware
1764 is supported, the firmware data is loaded via hotplug automatically.
1765 Install the necessary firmware files in alsa-firmware package.
1766 When no hotplug fw loader is available, you need to load the
1767 firmware via vxloader utility in alsa-tools package. To invoke
1768 vxloader automatically, add the following to /etc/modprobe.conf
1770 install snd-vx222 /sbin/modprobe --first-time -i snd-vx222 && /usr/bin/vxloader
1772 (for 2.2/2.4 kernels, add "post-install /usr/bin/vxloader" to
1773 /etc/modules.conf, instead.)
1774 IBL size defines the interrupts period for PCM. The smaller size
1775 gives smaller latency but leads to more CPU consumption, too.
1776 The size is usually aligned to 126. As default (=0), the smallest
1777 size is chosen. The possible IBL values can be found in
1778 /proc/asound/cardX/vx-status proc file.
1780 The power-management is supported.
1785 Module for Digigram VX-Pocket VX2 and 440 PCMCIA cards.
1787 ibl - Capture IBL size. (default = 0, minimum size)
1789 This module supports multiple cards. The module is compiled only when
1790 PCMCIA is supported on kernel.
1792 With the older 2.6.x kernel, to activate the driver via the card
1793 manager, you'll need to set up /etc/pcmcia/vxpocket.conf. See the
1794 sound/pcmcia/vx/vxpocket.c. 2.6.13 or later kernel requires no
1795 longer require a config file.
1797 When the driver is compiled as a module and the hotplug firmware
1798 is supported, the firmware data is loaded via hotplug automatically.
1799 Install the necessary firmware files in alsa-firmware package.
1800 When no hotplug fw loader is available, you need to load the
1801 firmware via vxloader utility in alsa-tools package.
1803 About capture IBL, see the description of snd-vx222 module.
1805 Note: snd-vxp440 driver is merged to snd-vxpocket driver since
1808 The power-management is supported.
1813 Module for Yamaha PCI chips (YMF72x, YMF74x & YMF75x).
1815 mpu_port - 0x300,0x330,0x332,0x334, 0 (disable) by default,
1816 1 (auto-detect for YMF744/754 only)
1817 fm_port - 0x388,0x398,0x3a0,0x3a8, 0 (disable) by default
1818 1 (auto-detect for YMF744/754 only)
1819 joystick_port - 0x201,0x202,0x204,0x205, 0 (disable) by default,
1821 rear_switch - enable shared rear/line-in switch (bool)
1823 This module supports autoprobe and multiple chips.
1825 The power-management is supported.
1827 Module snd-pdaudiocf
1828 --------------------
1830 Module for Sound Core PDAudioCF sound card.
1832 The power-management is supported.
1838 The ac97_quirk option is used to enable/override the workaround for
1839 specific devices on drivers for on-board AC'97 controllers like
1840 snd-intel8x0. Some hardware have swapped output pins between Master
1841 and Headphone, or Surround (thanks to confusion of AC'97
1842 specifications from version to version :-)
1844 The driver provides the auto-detection of known problematic devices,
1845 but some might be unknown or wrongly detected. In such a case, pass
1846 the proper value with this option.
1848 The following strings are accepted:
1849 - default Don't override the default setting
1850 - none Disable the quirk
1851 - hp_only Bind Master and Headphone controls as a single control
1852 - swap_hp Swap headphone and master controls
1853 - swap_surround Swap master and surround controls
1854 - ad_sharing For AD1985, turn on OMS bit and use headphone
1855 - alc_jack For ALC65x, turn on the jack sense mode
1856 - inv_eapd Inverted EAPD implementation
1857 - mute_led Bind EAPD bit for turning on/off mute LED
1859 For backward compatibility, the corresponding integer value -1, 0,
1860 ... are accepted, too.
1862 For example, if "Master" volume control has no effect on your device
1863 but only "Headphone" does, pass ac97_quirk=hp_only module option.
1866 Configuring Non-ISAPNP Cards
1867 ============================
1869 When the kernel is configured with ISA-PnP support, the modules
1870 supporting the isapnp cards will have module options "isapnp".
1871 If this option is set, *only* the ISA-PnP devices will be probed.
1872 For probing the non ISA-PnP cards, you have to pass "isapnp=0" option
1873 together with the proper i/o and irq configuration.
1875 When the kernel is configured without ISA-PnP support, isapnp option
1876 will be not built in.
1879 Module Autoloading Support
1880 ==========================
1882 The ALSA drivers can be loaded automatically on demand by defining
1883 module aliases. The string 'snd-card-%1' is requested for ALSA native
1884 devices where %i is sound card number from zero to seven.
1886 To auto-load an ALSA driver for OSS services, define the string
1887 'sound-slot-%i' where %i means the slot number for OSS, which
1888 corresponds to the card index of ALSA. Usually, define this
1889 as the same card module.
1891 An example configuration for a single emu10k1 card is like below:
1892 ----- /etc/modprobe.conf
1893 alias snd-card-0 snd-emu10k1
1894 alias sound-slot-0 snd-emu10k1
1895 ----- /etc/modprobe.conf
1897 The available number of auto-loaded sound cards depends on the module
1898 option "cards_limit" of snd module. As default it's set to 1.
1899 To enable the auto-loading of multiple cards, specify the number of
1900 sound cards in that option.
1902 When multiple cards are available, it'd better to specify the index
1903 number for each card via module option, too, so that the order of
1904 cards is kept consistent.
1906 An example configuration for two sound cards is like below:
1908 ----- /etc/modprobe.conf
1910 options snd cards_limit=2
1911 alias snd-card-0 snd-interwave
1912 alias snd-card-1 snd-ens1371
1913 options snd-interwave index=0
1914 options snd-ens1371 index=1
1916 alias sound-slot-0 snd-interwave
1917 alias sound-slot-1 snd-ens1371
1918 ----- /etc/modprobe.conf
1920 In this example, the interwave card is always loaded as the first card
1921 (index 0) and ens1371 as the second (index 1).
1924 ALSA PCM devices to OSS devices mapping
1925 =======================================
1927 /dev/snd/pcmC0D0[c|p] -> /dev/audio0 (/dev/audio) -> minor 4
1928 /dev/snd/pcmC0D0[c|p] -> /dev/dsp0 (/dev/dsp) -> minor 3
1929 /dev/snd/pcmC0D1[c|p] -> /dev/adsp0 (/dev/adsp) -> minor 12
1930 /dev/snd/pcmC1D0[c|p] -> /dev/audio1 -> minor 4+16 = 20
1931 /dev/snd/pcmC1D0[c|p] -> /dev/dsp1 -> minor 3+16 = 19
1932 /dev/snd/pcmC1D1[c|p] -> /dev/adsp1 -> minor 12+16 = 28
1933 /dev/snd/pcmC2D0[c|p] -> /dev/audio2 -> minor 4+32 = 36
1934 /dev/snd/pcmC2D0[c|p] -> /dev/dsp2 -> minor 3+32 = 39
1935 /dev/snd/pcmC2D1[c|p] -> /dev/adsp2 -> minor 12+32 = 44
1937 The first number from /dev/snd/pcmC{X}D{Y}[c|p] expression means
1938 sound card number and second means device number. The ALSA devices
1939 have either 'c' or 'p' suffix indicating the direction, capture and
1940 playback, respectively.
1942 Please note that the device mapping above may be varied via the module
1943 options of snd-pcm-oss module.
1946 Proc interfaces (/proc/asound)
1947 ==============================
1949 /proc/asound/card#/pcm#[cp]/oss
1950 -------------------------------
1951 String "erase" - erase all additional informations about OSS applications
1952 String "<app_name> <fragments> <fragment_size> [<options>]"
1954 <app_name> - name of application with (higher priority) or without path
1955 <fragments> - number of fragments or zero if auto
1956 <fragment_size> - size of fragment in bytes or zero if auto
1957 <options> - optional parameters
1958 - disable the application tries to open a pcm device for
1959 this channel but does not want to use it.
1960 (Cause a bug or mmap needs)
1961 It's good for Quake etc...
1962 - direct don't use plugins
1963 - block force block mode (rvplayer)
1964 - non-block force non-block mode
1965 - whole-frag write only whole fragments (optimization affecting
1967 - no-silence do not fill silence ahead to avoid clicks
1968 - buggy-ptr Returns the whitespace blocks in GETOPTR ioctl
1969 instead of filled blocks
1971 Example: echo "x11amp 128 16384" > /proc/asound/card0/pcm0p/oss
1972 echo "squake 0 0 disable" > /proc/asound/card0/pcm0c/oss
1973 echo "rvplayer 0 0 block" > /proc/asound/card0/pcm0p/oss
1976 Early Buffer Allocation
1977 =======================
1979 Some drivers (e.g. hdsp) require the large contiguous buffers, and
1980 sometimes it's too late to find such spaces when the driver module is
1981 actually loaded due to memory fragmentation. You can pre-allocate the
1982 PCM buffers by loading snd-page-alloc module and write commands to its
1983 proc file in prior, for example, in the early boot stage like
1984 /etc/init.d/*.local scripts.
1986 Reading the proc file /proc/drivers/snd-page-alloc shows the current
1987 usage of page allocation. In writing, you can send the following
1988 commands to the snd-page-alloc driver:
1990 - add VENDOR DEVICE MASK SIZE BUFFERS
1992 VENDOR and DEVICE are PCI vendor and device IDs. They take
1993 integer numbers (0x prefix is needed for the hex).
1994 MASK is the PCI DMA mask. Pass 0 if not restricted.
1995 SIZE is the size of each buffer to allocate. You can pass
1996 k and m suffix for KB and MB. The max number is 16MB.
1997 BUFFERS is the number of buffers to allocate. It must be greater
1998 than 0. The max number is 4.
2002 This will erase the all pre-allocated buffers which are not in
2009 ALSA project homepage
2010 http://www.alsa-project.org
2012 ALSA Bug Tracking System
2013 https://bugtrack.alsa-project.org/bugs/
2016 mailto:alsa-devel@lists.sourceforge.net