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e2be04c7f9
Many user space API headers have licensing information, which is either
incomplete, badly formatted or just a shorthand for referring to the
license under which the file is supposed to be. This makes it hard for
compliance tools to determine the correct license.
Update these files with an SPDX license identifier. The identifier was
chosen based on the license information in the file.
GPL/LGPL licensed headers get the matching GPL/LGPL SPDX license
identifier with the added 'WITH Linux-syscall-note' exception, which is
the officially assigned exception identifier for the kernel syscall
exception:
NOTE! This copyright does *not* cover user programs that use kernel
services by normal system calls - this is merely considered normal use
of the kernel, and does *not* fall under the heading of "derived work".
This exception makes it possible to include GPL headers into non GPL
code, without confusing license compliance tools.
Headers which have either explicit dual licensing or are just licensed
under a non GPL license are updated with the corresponding SPDX
identifier and the GPLv2 with syscall exception identifier. The format
is:
((GPL-2.0 WITH Linux-syscall-note) OR SPDX-ID-OF-OTHER-LICENSE)
SPDX license identifiers are a legally binding shorthand, which can be
used instead of the full boiler plate text. The update does not remove
existing license information as this has to be done on a case by case
basis and the copyright holders might have to be consulted. This will
happen in a separate step.
This patch is based on work done by Thomas Gleixner and Kate Stewart and
Philippe Ombredanne. See the previous patch in this series for the
methodology of how this patch was researched.
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
124 lines
4.2 KiB
C
124 lines
4.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
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/*
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* Copyright (c) 1999 by Uros Bizjak <uros@kss-loka.si>
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* Takashi Iwai <tiwai@suse.de>
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*
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* SB16ASP/AWE32 CSP control
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#ifndef _UAPI__SOUND_SB16_CSP_H
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#define _UAPI__SOUND_SB16_CSP_H
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/* CSP modes */
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#define SNDRV_SB_CSP_MODE_NONE 0x00
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#define SNDRV_SB_CSP_MODE_DSP_READ 0x01 /* Record from DSP */
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#define SNDRV_SB_CSP_MODE_DSP_WRITE 0x02 /* Play to DSP */
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#define SNDRV_SB_CSP_MODE_QSOUND 0x04 /* QSound */
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/* CSP load flags */
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#define SNDRV_SB_CSP_LOAD_FROMUSER 0x01
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#define SNDRV_SB_CSP_LOAD_INITBLOCK 0x02
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/* CSP sample width */
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#define SNDRV_SB_CSP_SAMPLE_8BIT 0x01
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#define SNDRV_SB_CSP_SAMPLE_16BIT 0x02
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/* CSP channels */
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#define SNDRV_SB_CSP_MONO 0x01
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#define SNDRV_SB_CSP_STEREO 0x02
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/* CSP rates */
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#define SNDRV_SB_CSP_RATE_8000 0x01
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#define SNDRV_SB_CSP_RATE_11025 0x02
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#define SNDRV_SB_CSP_RATE_22050 0x04
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#define SNDRV_SB_CSP_RATE_44100 0x08
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#define SNDRV_SB_CSP_RATE_ALL 0x0f
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/* CSP running state */
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#define SNDRV_SB_CSP_ST_IDLE 0x00
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#define SNDRV_SB_CSP_ST_LOADED 0x01
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#define SNDRV_SB_CSP_ST_RUNNING 0x02
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#define SNDRV_SB_CSP_ST_PAUSED 0x04
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#define SNDRV_SB_CSP_ST_AUTO 0x08
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#define SNDRV_SB_CSP_ST_QSOUND 0x10
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/* maximum QSound value (180 degrees right) */
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#define SNDRV_SB_CSP_QSOUND_MAX_RIGHT 0x20
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/* maximum microcode RIFF file size */
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#define SNDRV_SB_CSP_MAX_MICROCODE_FILE_SIZE 0x3000
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/* microcode header */
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struct snd_sb_csp_mc_header {
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char codec_name[16]; /* id name of codec */
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unsigned short func_req; /* requested function */
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};
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/* microcode to be loaded */
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struct snd_sb_csp_microcode {
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struct snd_sb_csp_mc_header info;
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unsigned char data[SNDRV_SB_CSP_MAX_MICROCODE_FILE_SIZE];
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};
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/* start CSP with sample_width in mono/stereo */
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struct snd_sb_csp_start {
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int sample_width; /* sample width, look above */
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int channels; /* channels, look above */
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};
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/* CSP information */
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struct snd_sb_csp_info {
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char codec_name[16]; /* id name of codec */
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unsigned short func_nr; /* function number */
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unsigned int acc_format; /* accepted PCM formats */
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unsigned short acc_channels; /* accepted channels */
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unsigned short acc_width; /* accepted sample width */
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unsigned short acc_rates; /* accepted sample rates */
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unsigned short csp_mode; /* CSP mode, see above */
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unsigned short run_channels; /* current channels */
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unsigned short run_width; /* current sample width */
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unsigned short version; /* version id: 0x10 - 0x1f */
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unsigned short state; /* state bits */
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};
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/* HWDEP controls */
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/* get CSP information */
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#define SNDRV_SB_CSP_IOCTL_INFO _IOR('H', 0x10, struct snd_sb_csp_info)
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/* load microcode to CSP */
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/* NOTE: struct snd_sb_csp_microcode overflows the max size (13 bits)
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* defined for some architectures like MIPS, and it leads to build errors.
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* (x86 and co have 14-bit size, thus it's valid, though.)
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* As a workaround for skipping the size-limit check, here we don't use the
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* normal _IOW() macro but _IOC() with the manual argument.
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*/
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#define SNDRV_SB_CSP_IOCTL_LOAD_CODE \
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_IOC(_IOC_WRITE, 'H', 0x11, sizeof(struct snd_sb_csp_microcode))
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/* unload microcode from CSP */
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#define SNDRV_SB_CSP_IOCTL_UNLOAD_CODE _IO('H', 0x12)
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/* start CSP */
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#define SNDRV_SB_CSP_IOCTL_START _IOW('H', 0x13, struct snd_sb_csp_start)
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/* stop CSP */
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#define SNDRV_SB_CSP_IOCTL_STOP _IO('H', 0x14)
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/* pause CSP and DMA transfer */
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#define SNDRV_SB_CSP_IOCTL_PAUSE _IO('H', 0x15)
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/* restart CSP and DMA transfer */
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#define SNDRV_SB_CSP_IOCTL_RESTART _IO('H', 0x16)
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#endif /* _UAPI__SOUND_SB16_CSP_H */
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