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authorTakashi Iwai <tiwai@suse.de>2010-08-05 11:17:04 +0200
committerTakashi Iwai <tiwai@suse.de>2010-08-05 11:17:04 +0200
commit74bf40f0793fed9e01eb6164c2ce63e8c27ca205 (patch)
treef41312c0943978842ac258873b29da04d72d0625 /Documentation
parente71981343ad29b5d929f82ac56c0b27b8ea0e540 (diff)
parentc4685849b4d725ab80cd29f5e09f5f128b4724b5 (diff)
Merge branch 'topic/misc' into for-linus
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/kernel-parameters.txt167
-rw-r--r--Documentation/sound/alsa/Procfile.txt8
-rw-r--r--Documentation/sound/alsa/alsa-parameters.txt135
-rw-r--r--Documentation/sound/oss/oss-parameters.txt51
4 files changed, 200 insertions, 161 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 2b2407d9a6d..0413f375c7b 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -280,19 +280,12 @@ and is between 256 and 4096 characters. It is defined in the file
no: ACPI OperationRegions are not marked as reserved,
no further checks are performed.
- ad1848= [HW,OSS]
- Format: <io>,<irq>,<dma>,<dma2>,<type>
-
add_efi_memmap [EFI; X86] Include EFI memory map in
kernel's map of available physical RAM.
advansys= [HW,SCSI]
See header of drivers/scsi/advansys.c.
- aedsp16= [HW,OSS] Audio Excel DSP 16
- Format: <io>,<irq>,<dma>,<mss_io>,<mpu_io>,<mpu_irq>
- See also header of sound/oss/aedsp16.c.
-
agp= [AGP]
{ off | try_unsupported }
off: disable AGP support
@@ -311,6 +304,9 @@ and is between 256 and 4096 characters. It is defined in the file
aic79xx= [HW,SCSI]
See Documentation/scsi/aic79xx.txt.
+ ALSA [HW,ALSA]
+ See Documentation/sound/alsa/alsa-parameters.txt
+
alignment= [KNL,ARM]
Allow the default userspace alignment fault handler
behaviour to be specified. Bit 0 enables warnings,
@@ -655,8 +651,6 @@ and is between 256 and 4096 characters. It is defined in the file
Disable PIN 1 of APIC timer
Can be useful to work around chipset bugs.
- dmasound= [HW,OSS] Sound subsystem buffers
-
dma_debug=off If the kernel is compiled with DMA_API_DEBUG support,
this option disables the debugging code at boot.
@@ -1523,9 +1517,6 @@ and is between 256 and 4096 characters. It is defined in the file
that the amount of memory usable for all allocations
is not too small.
- mpu401= [HW,OSS]
- Format: <io>,<irq>
-
MTD_Partition= [MTD]
Format: <name>,<region-number>,<size>,<offset>
@@ -1849,9 +1840,6 @@ and is between 256 and 4096 characters. It is defined in the file
For example, to override I2C bus2:
omap_mux=i2c2_scl.i2c2_scl=0x100,i2c2_sda.i2c2_sda=0x100
- opl3= [HW,OSS]
- Format: <io>
-
oprofile.timer= [HW]
Use timer interrupt instead of performance counters
@@ -1863,6 +1851,9 @@ and is between 256 and 4096 characters. It is defined in the file
perfmon on Intel CPUs instead of the
CPU specific event set.
+ OSS [HW,OSS]
+ See Documentation/sound/oss/oss-parameters.txt
+
osst= [HW,SCSI] SCSI Tape Driver
Format: <buffer_size>,<write_threshold>
See also Documentation/scsi/st.txt.
@@ -1899,9 +1890,6 @@ and is between 256 and 4096 characters. It is defined in the file
Currently this function knows 686a and 8231 chips.
Format: [spp|ps2|epp|ecp|ecpepp]
- pas2= [HW,OSS] Format:
- <io>,<irq>,<dma>,<dma16>,<sb_io>,<sb_irq>,<sb_dma>,<sb_dma16>
-
pas16= [HW,SCSI]
See header of drivers/scsi/pas16.c.
@@ -2171,10 +2159,6 @@ and is between 256 and 4096 characters. It is defined in the file
[HW,MOUSE] Controls Logitech smartscroll autorepeat.
0 = disabled, 1 = enabled (default).
- pss= [HW,OSS] Personal Sound System (ECHO ESC614)
- Format:
- <io>,<mss_io>,<mss_irq>,<mss_dma>,<mpu_io>,<mpu_irq>
-
pt. [PARIDE]
See Documentation/blockdev/paride.txt.
@@ -2383,128 +2367,6 @@ and is between 256 and 4096 characters. It is defined in the file
1: Fast pin select (default)
2: ATC IRMode
- snd-ad1816a= [HW,ALSA]
-
- snd-ad1848= [HW,ALSA]
-
- snd-ali5451= [HW,ALSA]
-
- snd-als100= [HW,ALSA]
-
- snd-als4000= [HW,ALSA]
-
- snd-azt2320= [HW,ALSA]
-
- snd-cmi8330= [HW,ALSA]
-
- snd-cmipci= [HW,ALSA]
-
- snd-cs4231= [HW,ALSA]
-
- snd-cs4232= [HW,ALSA]
-
- snd-cs4236= [HW,ALSA]
-
- snd-cs4281= [HW,ALSA]
-
- snd-cs46xx= [HW,ALSA]
-
- snd-dt019x= [HW,ALSA]
-
- snd-dummy= [HW,ALSA]
-
- snd-emu10k1= [HW,ALSA]
-
- snd-ens1370= [HW,ALSA]
-
- snd-ens1371= [HW,ALSA]
-
- snd-es968= [HW,ALSA]
-
- snd-es1688= [HW,ALSA]
-
- snd-es18xx= [HW,ALSA]
-
- snd-es1938= [HW,ALSA]
-
- snd-es1968= [HW,ALSA]
-
- snd-fm801= [HW,ALSA]
-
- snd-gusclassic= [HW,ALSA]
-
- snd-gusextreme= [HW,ALSA]
-
- snd-gusmax= [HW,ALSA]
-
- snd-hdsp= [HW,ALSA]
-
- snd-ice1712= [HW,ALSA]
-
- snd-intel8x0= [HW,ALSA]
-
- snd-interwave= [HW,ALSA]
-
- snd-interwave-stb=
- [HW,ALSA]
-
- snd-korg1212= [HW,ALSA]
-
- snd-maestro3= [HW,ALSA]
-
- snd-mpu401= [HW,ALSA]
-
- snd-mtpav= [HW,ALSA]
-
- snd-nm256= [HW,ALSA]
-
- snd-opl3sa2= [HW,ALSA]
-
- snd-opti92x-ad1848=
- [HW,ALSA]
-
- snd-opti92x-cs4231=
- [HW,ALSA]
-
- snd-opti93x= [HW,ALSA]
-
- snd-pmac= [HW,ALSA]
-
- snd-rme32= [HW,ALSA]
-
- snd-rme96= [HW,ALSA]
-
- snd-rme9652= [HW,ALSA]
-
- snd-sb8= [HW,ALSA]
-
- snd-sb16= [HW,ALSA]
-
- snd-sbawe= [HW,ALSA]
-
- snd-serial= [HW,ALSA]
-
- snd-sgalaxy= [HW,ALSA]
-
- snd-sonicvibes= [HW,ALSA]
-
- snd-sun-amd7930=
- [HW,ALSA]
-
- snd-sun-cs4231= [HW,ALSA]
-
- snd-trident= [HW,ALSA]
-
- snd-usb-audio= [HW,ALSA,USB]
-
- snd-via82xx= [HW,ALSA]
-
- snd-virmidi= [HW,ALSA]
-
- snd-wavefront= [HW,ALSA]
-
- snd-ymfpci= [HW,ALSA]
-
softlockup_panic=
[KNL] Should the soft-lockup detector generate panics.
@@ -2519,9 +2381,6 @@ and is between 256 and 4096 characters. It is defined in the file
spia_pedr=
spia_peddr=
- sscape= [HW,OSS]
- Format: <io>,<irq>,<dma>,<mpu_io>,<mpu_irq>
-
st= [HW,SCSI] SCSI tape parameters (buffers, etc.)
See Documentation/scsi/st.txt.
@@ -2661,10 +2520,6 @@ and is between 256 and 4096 characters. It is defined in the file
to facilitate early boot debugging.
See also Documentation/trace/events.txt
- trix= [HW,OSS] MediaTrix AudioTrix Pro
- Format:
- <io>,<irq>,<dma>,<dma2>,<sb_io>,<sb_irq>,<sb_dma>,<mpu_io>,<mpu_irq>
-
tsc= Disable clocksource-must-verify flag for TSC.
Format: <string>
[x86] reliable: mark tsc clocksource as reliable, this
@@ -2681,12 +2536,6 @@ and is between 256 and 4096 characters. It is defined in the file
u14-34f= [HW,SCSI] UltraStor 14F/34F SCSI host adapter
See header of drivers/scsi/u14-34f.c.
- uart401= [HW,OSS]
- Format: <io>,<irq>
-
- uart6850= [HW,OSS]
- Format: <io>,<irq>
-
uhash_entries= [KNL,NET]
Set number of hash buckets for UDP/UDP-Lite connections
@@ -2852,9 +2701,6 @@ and is between 256 and 4096 characters. It is defined in the file
overridden by individual drivers. 0 will hide
cursors, 1 will display them.
- waveartist= [HW,OSS]
- Format: <io>,<irq>,<dma>,<dma2>
-
wd33c93= [HW,SCSI]
See header of drivers/scsi/wd33c93.c.
@@ -2887,5 +2733,4 @@ ______________________________________________________________________
TODO:
- Add documentation for ALSA options.
Add more DRM drivers.
diff --git a/Documentation/sound/alsa/Procfile.txt b/Documentation/sound/alsa/Procfile.txt
index 07301de12cc..7fcd1ad96fc 100644
--- a/Documentation/sound/alsa/Procfile.txt
+++ b/Documentation/sound/alsa/Procfile.txt
@@ -103,6 +103,8 @@ card*/pcm*/xrun_debug
bit 2 = Enable additional jiffies check
bit 3 = Log hwptr update at each period interrupt
bit 4 = Log hwptr update at each snd_pcm_update_hw_ptr()
+ bit 5 = Show last 10 positions on error
+ bit 6 = Do above only once
When the bit 0 is set, the driver will show the messages to
kernel log when an xrun is detected. The debug message is
@@ -122,6 +124,12 @@ card*/pcm*/xrun_debug
Bits 3 and 4 are for logging the hwptr records. Note that
these will give flood of kernel messages.
+ When bit 5 is set, the driver logs the last 10 xrun errors and
+ the proc file shows each jiffies, position, period_size,
+ buffer_size, old_hw_ptr, and hw_ptr_base values.
+
+ When bit 6 is set, the full xrun log is shown only once.
+
card*/pcm*/sub*/info
The general information of this PCM sub-stream.
diff --git a/Documentation/sound/alsa/alsa-parameters.txt b/Documentation/sound/alsa/alsa-parameters.txt
new file mode 100644
index 00000000000..0fa40679b08
--- /dev/null
+++ b/Documentation/sound/alsa/alsa-parameters.txt
@@ -0,0 +1,135 @@
+ ALSA Kernel Parameters
+ ~~~~~~~~~~~~~~~~~~~~~~
+
+See Documentation/kernel-parameters.txt for general information on
+specifying module parameters.
+
+This document may not be entirely up to date and comprehensive. The command
+"modinfo -p ${modulename}" shows a current list of all parameters of a loadable
+module. Loadable modules, after being loaded into the running kernel, also
+reveal their parameters in /sys/module/${modulename}/parameters/. Some of these
+parameters may be changed at runtime by the command
+"echo -n ${value} > /sys/module/${modulename}/parameters/${parm}".
+
+
+ snd-ad1816a= [HW,ALSA]
+
+ snd-ad1848= [HW,ALSA]
+
+ snd-ali5451= [HW,ALSA]
+
+ snd-als100= [HW,ALSA]
+
+ snd-als4000= [HW,ALSA]
+
+ snd-azt2320= [HW,ALSA]
+
+ snd-cmi8330= [HW,ALSA]
+
+ snd-cmipci= [HW,ALSA]
+
+ snd-cs4231= [HW,ALSA]
+
+ snd-cs4232= [HW,ALSA]
+
+ snd-cs4236= [HW,ALSA]
+
+ snd-cs4281= [HW,ALSA]
+
+ snd-cs46xx= [HW,ALSA]
+
+ snd-dt019x= [HW,ALSA]
+
+ snd-dummy= [HW,ALSA]
+
+ snd-emu10k1= [HW,ALSA]
+
+ snd-ens1370= [HW,ALSA]
+
+ snd-ens1371= [HW,ALSA]
+
+ snd-es968= [HW,ALSA]
+
+ snd-es1688= [HW,ALSA]
+
+ snd-es18xx= [HW,ALSA]
+
+ snd-es1938= [HW,ALSA]
+
+ snd-es1968= [HW,ALSA]
+
+ snd-fm801= [HW,ALSA]
+
+ snd-gusclassic= [HW,ALSA]
+
+ snd-gusextreme= [HW,ALSA]
+
+ snd-gusmax= [HW,ALSA]
+
+ snd-hdsp= [HW,ALSA]
+
+ snd-ice1712= [HW,ALSA]
+
+ snd-intel8x0= [HW,ALSA]
+
+ snd-interwave= [HW,ALSA]
+
+ snd-interwave-stb=
+ [HW,ALSA]
+
+ snd-korg1212= [HW,ALSA]
+
+ snd-maestro3= [HW,ALSA]
+
+ snd-mpu401= [HW,ALSA]
+
+ snd-mtpav= [HW,ALSA]
+
+ snd-nm256= [HW,ALSA]
+
+ snd-opl3sa2= [HW,ALSA]
+
+ snd-opti92x-ad1848=
+ [HW,ALSA]
+
+ snd-opti92x-cs4231=
+ [HW,ALSA]
+
+ snd-opti93x= [HW,ALSA]
+
+ snd-pmac= [HW,ALSA]
+
+ snd-rme32= [HW,ALSA]
+
+ snd-rme96= [HW,ALSA]
+
+ snd-rme9652= [HW,ALSA]
+
+ snd-sb8= [HW,ALSA]
+
+ snd-sb16= [HW,ALSA]
+
+ snd-sbawe= [HW,ALSA]
+
+ snd-serial= [HW,ALSA]
+
+ snd-sgalaxy= [HW,ALSA]
+
+ snd-sonicvibes= [HW,ALSA]
+
+ snd-sun-amd7930=
+ [HW,ALSA]
+
+ snd-sun-cs4231= [HW,ALSA]
+
+ snd-trident= [HW,ALSA]
+
+ snd-usb-audio= [HW,ALSA,USB]
+
+ snd-via82xx= [HW,ALSA]
+
+ snd-virmidi= [HW,ALSA]
+
+ snd-wavefront= [HW,ALSA]
+
+ snd-ymfpci= [HW,ALSA]
diff --git a/Documentation/sound/oss/oss-parameters.txt b/Documentation/sound/oss/oss-parameters.txt
new file mode 100644
index 00000000000..3ab391e7c29
--- /dev/null
+++ b/Documentation/sound/oss/oss-parameters.txt
@@ -0,0 +1,51 @@
+ OSS Kernel Parameters
+ ~~~~~~~~~~~~~~~~~~~~~
+
+See Documentation/kernel-parameters.txt for general information on
+specifying module parameters.
+
+This document may not be entirely up to date and comprehensive. The command
+"modinfo -p ${modulename}" shows a current list of all parameters of a loadable
+module. Loadable modules, after being loaded into the running kernel, also
+reveal their parameters in /sys/module/${modulename}/parameters/. Some of these
+parameters may be changed at runtime by the command
+"echo -n ${value} > /sys/module/${modulename}/parameters/${parm}".
+
+
+ ad1848= [HW,OSS]
+ Format: <io>,<irq>,<dma>,<dma2>,<type>
+
+ aedsp16= [HW,OSS] Audio Excel DSP 16
+ Format: <io>,<irq>,<dma>,<mss_io>,<mpu_io>,<mpu_irq>
+ See also header of sound/oss/aedsp16.c.
+
+ dmasound= [HW,OSS] Sound subsystem buffers
+
+ mpu401= [HW,OSS]
+ Format: <io>,<irq>
+
+ opl3= [HW,OSS]
+ Format: <io>
+
+ pas2= [HW,OSS] Format:
+ <io>,<irq>,<dma>,<dma16>,<sb_io>,<sb_irq>,<sb_dma>,<sb_dma16>
+
+ pss= [HW,OSS] Personal Sound System (ECHO ESC614)
+ Format:
+ <io>,<mss_io>,<mss_irq>,<mss_dma>,<mpu_io>,<mpu_irq>
+
+ sscape= [HW,OSS]
+ Format: <io>,<irq>,<dma>,<mpu_io>,<mpu_irq>
+
+ trix= [HW,OSS] MediaTrix AudioTrix Pro
+ Format:
+ <io>,<irq>,<dma>,<dma2>,<sb_io>,<sb_irq>,<sb_dma>,<mpu_io>,<mpu_irq>
+
+ uart401= [HW,OSS]
+ Format: <io>,<irq>
+
+ uart6850= [HW,OSS]
+ Format: <io>,<irq>
+
+ waveartist= [HW,OSS]
+ Format: <io>,<irq>,<dma>,<dma2>