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Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program if not write to the free software foundation inc 59 temple place suite 330 boston ma 02111 1307 usa extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 1334 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
77 lines
2.1 KiB
C
77 lines
2.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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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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#ifndef __SOUND_SB16_CSP_H
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#define __SOUND_SB16_CSP_H
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#include <sound/sb.h>
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#include <sound/hwdep.h>
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#include <linux/firmware.h>
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#include <uapi/sound/sb16_csp.h>
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struct snd_sb_csp;
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/* indices for the known CSP programs */
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enum {
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CSP_PROGRAM_MULAW,
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CSP_PROGRAM_ALAW,
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CSP_PROGRAM_ADPCM_INIT,
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CSP_PROGRAM_ADPCM_PLAYBACK,
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CSP_PROGRAM_ADPCM_CAPTURE,
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CSP_PROGRAM_COUNT
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};
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/*
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* CSP operators
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*/
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struct snd_sb_csp_ops {
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int (*csp_use) (struct snd_sb_csp * p);
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int (*csp_unuse) (struct snd_sb_csp * p);
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int (*csp_autoload) (struct snd_sb_csp * p, snd_pcm_format_t pcm_sfmt, int play_rec_mode);
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int (*csp_start) (struct snd_sb_csp * p, int sample_width, int channels);
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int (*csp_stop) (struct snd_sb_csp * p);
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int (*csp_qsound_transfer) (struct snd_sb_csp * p);
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};
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/*
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* CSP private data
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*/
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struct snd_sb_csp {
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struct snd_sb *chip; /* SB16 DSP */
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int used; /* usage flag - exclusive */
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char codec_name[16]; /* 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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int acc_channels; /* accepted channels */
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int acc_width; /* accepted sample width */
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int acc_rates; /* accepted sample rates */
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int mode; /* MODE */
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int run_channels; /* current CSP channels */
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int run_width; /* current sample width */
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int version; /* CSP version (0x10 - 0x1f) */
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int running; /* running state */
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struct snd_sb_csp_ops ops; /* operators */
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spinlock_t q_lock; /* locking */
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int q_enabled; /* enabled flag */
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int qpos_left; /* left position */
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int qpos_right; /* right position */
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int qpos_changed; /* position changed flag */
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struct snd_kcontrol *qsound_switch;
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struct snd_kcontrol *qsound_space;
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struct mutex access_mutex; /* locking */
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const struct firmware *csp_programs[CSP_PROGRAM_COUNT];
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};
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int snd_sb_csp_new(struct snd_sb *chip, int device, struct snd_hwdep ** rhwdep);
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#endif /* __SOUND_SB16_CSP */
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