sound: oss: Remove SoftOSS documentation
Subsystems (3)
PATCH 1/4 sound: oss: Remove SoftOSS documentation
SoftOSS has been removed before kernel git history but not this documentation part.
Signed-off-by Jarkko Nikula <[email protected]>
--- Documentation/sound/oss/README.OSS | 46 -------------------------------------- 1 file changed, 46 deletions(-)
Documentation/sound/oss/README.OSS +0 -46
@@ -516,52 +516,6 @@ Yamaha OPL3-SA1 use the standard MSS, MPU401 and OPL3 options with these chips and to activate the card using isapnptools. -4Front Technologies SoftOSS - - SoftOSS is a software based wave table emulation which works with - any 16 bit stereo sound card. Due to its nature a fast CPU is - required (P133 is minimum). Although SoftOSS does _not_ use MMX - instructions it has proven out that recent processors (which appear - to have MMX) perform significantly better with SoftOSS than earlier - ones. For example a P166MMX beats a PPro200. SoftOSS should not be used - on 486 or 386 machines. - - The amount of CPU load caused by SoftOSS can be controlled by - selecting the CONFIG_SOFTOSS_RATE and CONFIG_SOFTOSS_VOICES - parameters properly (they will be prompted by make config). It's - recommended to set CONFIG_SOFTOSS_VOICES to 32. If you have a - P166MMX or faster (PPro200 is not faster) you can set - CONFIG_SOFTOSS_RATE to 44100 (kHz). However with slower systems it - recommended to use sampling rates around 22050 or even 16000 kHz. - Selecting too high values for these parameters may hang your - system when playing MIDI files with hight degree of polyphony - (number of concurrently playing notes). It's also possible to - decrease CONFIG_SOFTOSS_VOICES. This makes it possible to use - higher sampling rates. However using fewer voices decreases - playback quality more than decreasing the sampling rate. - - SoftOSS keeps the samples loaded on the system's RAM so much RAM is - required. SoftOSS should never be used on machines with less than 16 MB - of RAM since this is potentially dangerous (you may accidentally run out - of memory which probably crashes the machine). - - SoftOSS implements the wave table API originally designed for GUS. For - this reason all applications designed for GUS should work (at least - after minor modifications). For example gmod/xgmod and playmidi -g are - known to work. - - To work SoftOSS will require GUS compatible - patch files to be installed on the system (in /dos/ultrasnd/midi). You - can use the public domain MIDIA patchset available from several ftp - sites. - - ********************************************************************* - IMPORTANT NOTICE! The original patch set distributed with the Gravis - Ultrasound card is not in public domain (even though it's available from - some FTP sites). You should contact Voice Crystal (www.voicecrystal.com) - if you like to use these patches with SoftOSS included in OSS/Free. - ********************************************************************* - PSS based cards (AD1848 + ADSP-2115 + Echo ESC614 ASIC) Analog Devices and Echo Speech have together defined a sound card architecture based on the above chips. The DSP chip is used
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2.1.3
PATCH 2/4 sound: oss: vidc: Remove softoss_dev declaration
int softoss_dev is not defined anywhere.
Signed-off-by Jarkko Nikula <[email protected]>
--- sound/oss/vidc.c | 1 - 1 file changed, 1 deletion(-)
sound/oss/vidc.c +0 -1
@@ -82,7 +82,6 @@ static unsigned int vidc_audio_volume_l; /* left PCM vol, 0 - 65536 */static unsigned int vidc_audio_volume_r;/* right PCM vol, 0 - 65536 */ extern void vidc_update_filler (int bits,int channels); -extern int softoss_dev;static void vidc_mixer_set (int mdev,unsigned int level)
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2.1.3
PATCH 3/4 sound: oss: Remove dead sound card number definitions
In reply to Jarkko NikulaNone of these is used in kernel tree.
Signed-off-by Jarkko Nikula <[email protected]>
--- sound/oss/dev_table.h | 13 ------------- 1 file changed, 13 deletions(-)
sound/oss/dev_table.h +0 -13
@@ -21,20 +21,7 @@* Numbers 1000 to N are reserved for driver's internal use. */ -#define SNDCARD_DESKPROXL 27/* Compaq Deskpro XL */ -#define SNDCARD_VIDC 28/* ARMs VIDC */ -#define SNDCARD_SBPNP 29 -#define SNDCARD_SOFTOSS 36#define SNDCARD_VMIDI 37 -#define SNDCARD_OPL3SA1 38/* Note: clash in msnd.h */ -#define SNDCARD_OPL3SA1_SB 39 -#define SNDCARD_OPL3SA1_MPU 40 -#define SNDCARD_WAVEFRONT 41 -#define SNDCARD_OPL3SA2 42 -#define SNDCARD_OPL3SA2_MPU 43 -#define SNDCARD_WAVEARTIST 44/* Waveartist */ -#define SNDCARD_OPL3SA2_MSS 45/* Originally missed */ -#define SNDCARD_AD1816 88/* * NOTE! NOTE! NOTE! NOTE!
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2.1.3
PATCH 4/4 sound: oss: Remove dead sound card number definitions part #2
In reply to Jarkko NikulaNone of these is used in kernel tree.
---
RFC, I don't know can these be used in user-space?
--- include/uapi/linux/soundcard.h | 22 ---------------------- 1 file changed, 22 deletions(-)
include/uapi/linux/soundcard.h +0 -22
@@ -48,32 +48,10 @@* Supported card ID numbers (Should be somewhere else?) */ -#define SNDCARD_ADLIB 1#define SNDCARD_SB 2#define SNDCARD_PAS 3 -#define SNDCARD_GUS 4#define SNDCARD_MPU401 5 -#define SNDCARD_SB16 6 -#define SNDCARD_SB16MIDI 7#define SNDCARD_UART6850 8 -#define SNDCARD_GUS16 9 -#define SNDCARD_MSS 10 -#define SNDCARD_PSS 11 -#define SNDCARD_SSCAPE 12 -#define SNDCARD_PSS_MPU 13 -#define SNDCARD_PSS_MSS 14 -#define SNDCARD_SSCAPE_MSS 15 -#define SNDCARD_TRXPRO 16 -#define SNDCARD_TRXPRO_SB 17 -#define SNDCARD_TRXPRO_MPU 18 -#define SNDCARD_MAD16 19 -#define SNDCARD_MAD16_MPU 20 -#define SNDCARD_CS4232 21 -#define SNDCARD_CS4232_MPU 22 -#define SNDCARD_MAUI 23 -#define SNDCARD_PSEUDO_MSS 24 -#define SNDCARD_GUSPNP 25 -#define SNDCARD_UART401 26/* Sound card numbers 27 to N are reserved. Don't add more numbers here. */ /***********************************
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2.1.3
Re: [PATCH 4/4] sound: oss: Remove dead sound card number definitions part #2
At Thu, 11 Dec 2014 14:19:13 +0200,
Quoted 8 lines · Jarkko Nikula
None of these is used in kernel tree.
---
RFC, I don't know can these be used in user-space?
I guess we should keep these. These are fixed ID numbers, no matter whether the driver actually is present or not.
Takashi
Quoted 44 lines
--- include/uapi/linux/soundcard.h | 22 ---------------------- 1 file changed, 22 deletions(-)include/uapi/linux/soundcard.h +0
-22@@ -48,32 +48,10 @@* Supported card ID numbers (Should be somewhere else?) */ -#define SNDCARD_ADLIB 1#define SNDCARD_SB 2#define SNDCARD_PAS 3 -#define SNDCARD_GUS 4#define SNDCARD_MPU401 5 -#define SNDCARD_SB16 6 -#define SNDCARD_SB16MIDI 7#define SNDCARD_UART6850 8 -#define SNDCARD_GUS16 9 -#define SNDCARD_MSS 10 -#define SNDCARD_PSS 11 -#define SNDCARD_SSCAPE 12 -#define SNDCARD_PSS_MPU 13 -#define SNDCARD_PSS_MSS 14 -#define SNDCARD_SSCAPE_MSS 15 -#define SNDCARD_TRXPRO 16 -#define SNDCARD_TRXPRO_SB 17 -#define SNDCARD_TRXPRO_MPU 18 -#define SNDCARD_MAD16 19 -#define SNDCARD_MAD16_MPU 20 -#define SNDCARD_CS4232 21 -#define SNDCARD_CS4232_MPU 22 -#define SNDCARD_MAUI 23 -#define SNDCARD_PSEUDO_MSS 24 -#define SNDCARD_GUSPNP 25 -#define SNDCARD_UART401 26/* Sound card numbers 27 to N are reserved. Don't add more numbers here. */ /*********************************** Signature · 1 line
2.1.3