162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-or-later */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * Copyright (c) 1999 by Uros Bizjak <uros@kss-loka.si> 462306a36Sopenharmony_ci * Takashi Iwai <tiwai@suse.de> 562306a36Sopenharmony_ci * 662306a36Sopenharmony_ci * SB16ASP/AWE32 CSP control 762306a36Sopenharmony_ci */ 862306a36Sopenharmony_ci#ifndef __SOUND_SB16_CSP_H 962306a36Sopenharmony_ci#define __SOUND_SB16_CSP_H 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_ci#include <sound/sb.h> 1262306a36Sopenharmony_ci#include <sound/hwdep.h> 1362306a36Sopenharmony_ci#include <linux/firmware.h> 1462306a36Sopenharmony_ci#include <uapi/sound/sb16_csp.h> 1562306a36Sopenharmony_ci 1662306a36Sopenharmony_cistruct snd_sb_csp; 1762306a36Sopenharmony_ci 1862306a36Sopenharmony_ci/* indices for the known CSP programs */ 1962306a36Sopenharmony_cienum { 2062306a36Sopenharmony_ci CSP_PROGRAM_MULAW, 2162306a36Sopenharmony_ci CSP_PROGRAM_ALAW, 2262306a36Sopenharmony_ci CSP_PROGRAM_ADPCM_INIT, 2362306a36Sopenharmony_ci CSP_PROGRAM_ADPCM_PLAYBACK, 2462306a36Sopenharmony_ci CSP_PROGRAM_ADPCM_CAPTURE, 2562306a36Sopenharmony_ci 2662306a36Sopenharmony_ci CSP_PROGRAM_COUNT 2762306a36Sopenharmony_ci}; 2862306a36Sopenharmony_ci 2962306a36Sopenharmony_ci/* 3062306a36Sopenharmony_ci * CSP operators 3162306a36Sopenharmony_ci */ 3262306a36Sopenharmony_cistruct snd_sb_csp_ops { 3362306a36Sopenharmony_ci int (*csp_use) (struct snd_sb_csp * p); 3462306a36Sopenharmony_ci int (*csp_unuse) (struct snd_sb_csp * p); 3562306a36Sopenharmony_ci int (*csp_autoload) (struct snd_sb_csp * p, snd_pcm_format_t pcm_sfmt, int play_rec_mode); 3662306a36Sopenharmony_ci int (*csp_start) (struct snd_sb_csp * p, int sample_width, int channels); 3762306a36Sopenharmony_ci int (*csp_stop) (struct snd_sb_csp * p); 3862306a36Sopenharmony_ci int (*csp_qsound_transfer) (struct snd_sb_csp * p); 3962306a36Sopenharmony_ci}; 4062306a36Sopenharmony_ci 4162306a36Sopenharmony_ci/* 4262306a36Sopenharmony_ci * CSP private data 4362306a36Sopenharmony_ci */ 4462306a36Sopenharmony_cistruct snd_sb_csp { 4562306a36Sopenharmony_ci struct snd_sb *chip; /* SB16 DSP */ 4662306a36Sopenharmony_ci int used; /* usage flag - exclusive */ 4762306a36Sopenharmony_ci char codec_name[16]; /* name of codec */ 4862306a36Sopenharmony_ci unsigned short func_nr; /* function number */ 4962306a36Sopenharmony_ci unsigned int acc_format; /* accepted PCM formats */ 5062306a36Sopenharmony_ci int acc_channels; /* accepted channels */ 5162306a36Sopenharmony_ci int acc_width; /* accepted sample width */ 5262306a36Sopenharmony_ci int acc_rates; /* accepted sample rates */ 5362306a36Sopenharmony_ci int mode; /* MODE */ 5462306a36Sopenharmony_ci int run_channels; /* current CSP channels */ 5562306a36Sopenharmony_ci int run_width; /* current sample width */ 5662306a36Sopenharmony_ci int version; /* CSP version (0x10 - 0x1f) */ 5762306a36Sopenharmony_ci int running; /* running state */ 5862306a36Sopenharmony_ci 5962306a36Sopenharmony_ci struct snd_sb_csp_ops ops; /* operators */ 6062306a36Sopenharmony_ci 6162306a36Sopenharmony_ci spinlock_t q_lock; /* locking */ 6262306a36Sopenharmony_ci int q_enabled; /* enabled flag */ 6362306a36Sopenharmony_ci int qpos_left; /* left position */ 6462306a36Sopenharmony_ci int qpos_right; /* right position */ 6562306a36Sopenharmony_ci int qpos_changed; /* position changed flag */ 6662306a36Sopenharmony_ci 6762306a36Sopenharmony_ci struct snd_kcontrol *qsound_switch; 6862306a36Sopenharmony_ci struct snd_kcontrol *qsound_space; 6962306a36Sopenharmony_ci 7062306a36Sopenharmony_ci struct mutex access_mutex; /* locking */ 7162306a36Sopenharmony_ci 7262306a36Sopenharmony_ci const struct firmware *csp_programs[CSP_PROGRAM_COUNT]; 7362306a36Sopenharmony_ci}; 7462306a36Sopenharmony_ci 7562306a36Sopenharmony_ciint snd_sb_csp_new(struct snd_sb *chip, int device, struct snd_hwdep ** rhwdep); 7662306a36Sopenharmony_ci#endif /* __SOUND_SB16_CSP */ 77