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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>
136 lines
4.3 KiB
C
136 lines
4.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
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#ifndef __SOUND_ASOUND_FM_H
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#define __SOUND_ASOUND_FM_H
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/*
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* Advanced Linux Sound Architecture - ALSA
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*
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* Interface file between ALSA driver & user space
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* Copyright (c) 1994-98 by Jaroslav Kysela <perex@perex.cz>,
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* 4Front Technologies
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*
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* Direct FM 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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#define SNDRV_DM_FM_MODE_OPL2 0x00
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#define SNDRV_DM_FM_MODE_OPL3 0x01
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struct snd_dm_fm_info {
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unsigned char fm_mode; /* OPL mode, see SNDRV_DM_FM_MODE_XXX */
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unsigned char rhythm; /* percussion mode flag */
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};
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/*
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* Data structure composing an FM "note" or sound event.
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*/
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struct snd_dm_fm_voice {
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unsigned char op; /* operator cell (0 or 1) */
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unsigned char voice; /* FM voice (0 to 17) */
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unsigned char am; /* amplitude modulation */
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unsigned char vibrato; /* vibrato effect */
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unsigned char do_sustain; /* sustain phase */
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unsigned char kbd_scale; /* keyboard scaling */
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unsigned char harmonic; /* 4 bits: harmonic and multiplier */
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unsigned char scale_level; /* 2 bits: decrease output freq rises */
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unsigned char volume; /* 6 bits: volume */
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unsigned char attack; /* 4 bits: attack rate */
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unsigned char decay; /* 4 bits: decay rate */
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unsigned char sustain; /* 4 bits: sustain level */
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unsigned char release; /* 4 bits: release rate */
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unsigned char feedback; /* 3 bits: feedback for op0 */
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unsigned char connection; /* 0 for serial, 1 for parallel */
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unsigned char left; /* stereo left */
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unsigned char right; /* stereo right */
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unsigned char waveform; /* 3 bits: waveform shape */
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};
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/*
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* This describes an FM note by its voice, octave, frequency number (10bit)
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* and key on/off.
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*/
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struct snd_dm_fm_note {
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unsigned char voice; /* 0-17 voice channel */
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unsigned char octave; /* 3 bits: what octave to play */
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unsigned int fnum; /* 10 bits: frequency number */
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unsigned char key_on; /* set for active, clear for silent */
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};
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/*
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* FM parameters that apply globally to all voices, and thus are not "notes"
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*/
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struct snd_dm_fm_params {
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unsigned char am_depth; /* amplitude modulation depth (1=hi) */
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unsigned char vib_depth; /* vibrato depth (1=hi) */
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unsigned char kbd_split; /* keyboard split */
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unsigned char rhythm; /* percussion mode select */
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/* This block is the percussion instrument data */
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unsigned char bass;
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unsigned char snare;
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unsigned char tomtom;
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unsigned char cymbal;
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unsigned char hihat;
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};
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/*
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* FM mode ioctl settings
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*/
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#define SNDRV_DM_FM_IOCTL_INFO _IOR('H', 0x20, struct snd_dm_fm_info)
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#define SNDRV_DM_FM_IOCTL_RESET _IO ('H', 0x21)
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#define SNDRV_DM_FM_IOCTL_PLAY_NOTE _IOW('H', 0x22, struct snd_dm_fm_note)
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#define SNDRV_DM_FM_IOCTL_SET_VOICE _IOW('H', 0x23, struct snd_dm_fm_voice)
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#define SNDRV_DM_FM_IOCTL_SET_PARAMS _IOW('H', 0x24, struct snd_dm_fm_params)
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#define SNDRV_DM_FM_IOCTL_SET_MODE _IOW('H', 0x25, int)
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/* for OPL3 only */
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#define SNDRV_DM_FM_IOCTL_SET_CONNECTION _IOW('H', 0x26, int)
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/* SBI patch management */
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#define SNDRV_DM_FM_IOCTL_CLEAR_PATCHES _IO ('H', 0x40)
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#define SNDRV_DM_FM_OSS_IOCTL_RESET 0x20
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#define SNDRV_DM_FM_OSS_IOCTL_PLAY_NOTE 0x21
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#define SNDRV_DM_FM_OSS_IOCTL_SET_VOICE 0x22
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#define SNDRV_DM_FM_OSS_IOCTL_SET_PARAMS 0x23
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#define SNDRV_DM_FM_OSS_IOCTL_SET_MODE 0x24
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#define SNDRV_DM_FM_OSS_IOCTL_SET_OPL 0x25
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/*
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* Patch Record - fixed size for write
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*/
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#define FM_KEY_SBI "SBI\032"
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#define FM_KEY_2OP "2OP\032"
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#define FM_KEY_4OP "4OP\032"
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struct sbi_patch {
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unsigned char prog;
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unsigned char bank;
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char key[4];
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char name[25];
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char extension[7];
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unsigned char data[32];
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};
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#endif /* __SOUND_ASOUND_FM_H */
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