1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright (c) 1999 by Uros Bizjak <uros@kss-loka.si> 4*4882a593Smuzhiyun * Takashi Iwai <tiwai@suse.de> 5*4882a593Smuzhiyun * 6*4882a593Smuzhiyun * SB16ASP/AWE32 CSP control 7*4882a593Smuzhiyun */ 8*4882a593Smuzhiyun #ifndef __SOUND_SB16_CSP_H 9*4882a593Smuzhiyun #define __SOUND_SB16_CSP_H 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #include <sound/sb.h> 12*4882a593Smuzhiyun #include <sound/hwdep.h> 13*4882a593Smuzhiyun #include <linux/firmware.h> 14*4882a593Smuzhiyun #include <uapi/sound/sb16_csp.h> 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun struct snd_sb_csp; 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun /* indices for the known CSP programs */ 19*4882a593Smuzhiyun enum { 20*4882a593Smuzhiyun CSP_PROGRAM_MULAW, 21*4882a593Smuzhiyun CSP_PROGRAM_ALAW, 22*4882a593Smuzhiyun CSP_PROGRAM_ADPCM_INIT, 23*4882a593Smuzhiyun CSP_PROGRAM_ADPCM_PLAYBACK, 24*4882a593Smuzhiyun CSP_PROGRAM_ADPCM_CAPTURE, 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun CSP_PROGRAM_COUNT 27*4882a593Smuzhiyun }; 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun /* 30*4882a593Smuzhiyun * CSP operators 31*4882a593Smuzhiyun */ 32*4882a593Smuzhiyun struct snd_sb_csp_ops { 33*4882a593Smuzhiyun int (*csp_use) (struct snd_sb_csp * p); 34*4882a593Smuzhiyun int (*csp_unuse) (struct snd_sb_csp * p); 35*4882a593Smuzhiyun int (*csp_autoload) (struct snd_sb_csp * p, snd_pcm_format_t pcm_sfmt, int play_rec_mode); 36*4882a593Smuzhiyun int (*csp_start) (struct snd_sb_csp * p, int sample_width, int channels); 37*4882a593Smuzhiyun int (*csp_stop) (struct snd_sb_csp * p); 38*4882a593Smuzhiyun int (*csp_qsound_transfer) (struct snd_sb_csp * p); 39*4882a593Smuzhiyun }; 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun /* 42*4882a593Smuzhiyun * CSP private data 43*4882a593Smuzhiyun */ 44*4882a593Smuzhiyun struct snd_sb_csp { 45*4882a593Smuzhiyun struct snd_sb *chip; /* SB16 DSP */ 46*4882a593Smuzhiyun int used; /* usage flag - exclusive */ 47*4882a593Smuzhiyun char codec_name[16]; /* name of codec */ 48*4882a593Smuzhiyun unsigned short func_nr; /* function number */ 49*4882a593Smuzhiyun unsigned int acc_format; /* accepted PCM formats */ 50*4882a593Smuzhiyun int acc_channels; /* accepted channels */ 51*4882a593Smuzhiyun int acc_width; /* accepted sample width */ 52*4882a593Smuzhiyun int acc_rates; /* accepted sample rates */ 53*4882a593Smuzhiyun int mode; /* MODE */ 54*4882a593Smuzhiyun int run_channels; /* current CSP channels */ 55*4882a593Smuzhiyun int run_width; /* current sample width */ 56*4882a593Smuzhiyun int version; /* CSP version (0x10 - 0x1f) */ 57*4882a593Smuzhiyun int running; /* running state */ 58*4882a593Smuzhiyun 59*4882a593Smuzhiyun struct snd_sb_csp_ops ops; /* operators */ 60*4882a593Smuzhiyun 61*4882a593Smuzhiyun spinlock_t q_lock; /* locking */ 62*4882a593Smuzhiyun int q_enabled; /* enabled flag */ 63*4882a593Smuzhiyun int qpos_left; /* left position */ 64*4882a593Smuzhiyun int qpos_right; /* right position */ 65*4882a593Smuzhiyun int qpos_changed; /* position changed flag */ 66*4882a593Smuzhiyun 67*4882a593Smuzhiyun struct snd_kcontrol *qsound_switch; 68*4882a593Smuzhiyun struct snd_kcontrol *qsound_space; 69*4882a593Smuzhiyun 70*4882a593Smuzhiyun struct mutex access_mutex; /* locking */ 71*4882a593Smuzhiyun 72*4882a593Smuzhiyun const struct firmware *csp_programs[CSP_PROGRAM_COUNT]; 73*4882a593Smuzhiyun }; 74*4882a593Smuzhiyun 75*4882a593Smuzhiyun int snd_sb_csp_new(struct snd_sb *chip, int device, struct snd_hwdep ** rhwdep); 76*4882a593Smuzhiyun #endif /* __SOUND_SB16_CSP */ 77