| #ifndef SOUNDCARD_H |
| #define SOUNDCARD_H |
| /* |
| * linux/soundcard.h |
| * |
| * Sound Card driver for Linux |
| * |
| * (C) Hannu Savolainen 1992 |
| * |
| */ |
| |
| /* |
| * Supported card ID numbers |
| */ |
| |
| #define SNDCARD_ADLIB 1 |
| #define SNDCARD_SB 2 |
| #define SNDCARD_PAS 3 |
| |
| /* |
| * IOCTL Commands. Suffix 0x4252 is string "SB". |
| */ |
| |
| #define SNDCTL_CONFIGURE 0x00014252 |
| |
| #define SNDCTL_FM_LOAD_INSTR 0x01014252 |
| /* #define SNDCTL_FM_RETURN_INSTR 0x01034252 */ |
| #define SNDCTL_SEQ_SYNC 0x01044252 |
| #define SNDCTL_SEQ_RESET 0x01054252 |
| #define SNDCTL_SYNTH_INFO 0x01064252 |
| #define SNDCTL_SEQ_TESTMIDI 0x01074252 |
| #define SNDCTL_SEQ_PERCMODE 0x01084252 |
| |
| #define SNDCTL_DSP_SPEED 0x01114252 |
| #define SNDCTL_DSP_STEREO 0x01124252 |
| #define SNDCTL_DSP_GETBLKSIZE 0x01134252 |
| #define SNDCTL_DSP_SYNC 0x01144252 |
| #define SNDCTL_DSP_RESET 0x01154252 |
| #define SNDCTL_DSP_SAMPLESIZE 0x01164252 |
| /* 8, 12 or 16) */ |
| |
| #define SEQ_FMNOTEOFF 0 |
| #define SEQ_FMNOTEON 1 |
| #define SEQ_WAIT 2 |
| #define SEQ_FMPGMCHANGE 3 |
| #define SEQ_SYNCTIMER 4 |
| #define SEQ_MIDIPUTC 5 |
| #define SEQ_DRUMON 6 /* Play percussive instrument */ |
| #define SEQ_DRUMOFF 7 |
| |
| typedef unsigned char sbi_instr_data[16]; |
| |
| struct sbi_instrument { |
| int channel; /* Channel to be programmed */ |
| sbi_instr_data operators; /* Register settings for operator cells (.SBI format) */ |
| }; |
| |
| struct synth_info { /* Read only */ |
| int synth_type; |
| #define SYNTH_TYPE_FM 0 |
| |
| int synth_subtype; |
| #define FM_TYPE_ADLIB 0 |
| #define FM_TYPE_OPL3 1 |
| |
| int perc_mode; /* 0=off 1=off */ |
| int nr_voices; |
| int nr_drums; |
| int instr_bank_size; |
| int dummies[20]; /* Reserve space */ |
| }; |
| /* |
| Definitions for a "universal" sound driver |
| by Craig metz (cmetz@thor.tjhsst.edu) |
| */ |
| |
| /* |
| IOCTL requests take the general form of a base address plus |
| a device type plus a request type. The base address fills the |
| top three bytes of the request longword and is formed from the |
| letters 'SND'. The top nybble of the remaining byte indicates |
| the device type to be interacted with, and the request type |
| indicates what the device needs to do, and bit 3 of the lower |
| nybble distinguishes read and write. |
| |
| IOCTL Calling Form: |
| |
| ioctl(fh, SOUND_call, ¶meter); |
| */ |
| |
| #define SOUND_BASE 0x534E4400 |
| |
| #define SOUND_READ 0x00000000 |
| #define SOUND_WRITE 0x00000008 |
| |
| /* |
| Mixer control - device type 0 |
| |
| All parameters are of type "unsigned short int" - The LSB is the |
| left value, the MSB is the right value. Both are in percents, 0 |
| being mute and 100 being full power. In the event that the card |
| only supports mono mixer control, the LSB will be the value used. |
| */ |
| |
| #define SOUND_MIXER 0x00 |
| #define SOUND_MIXER_TYPE unsigned short int |
| |
| #define SOUND_MIXER_VOLUME 0x0 |
| #define SOUND_MIXER_BASS 0x1 |
| #define SOUND_MIXER_TREBLE 0x2 |
| #define SOUND_MIXER_MIDI 0x3 |
| #define SOUND_MIXER_PCM 0x4 |
| #define SOUND_MIXER_SPEAKER 0x5 |
| #define SOUND_MIXER_LINE 0x6 |
| #define SOUND_MIXER_MIC 0x7 |
| |
| #define SOUND_MIXER_READ_VOLUME (SOUND_BASE | SOUND_MIXER | SOUND_READ | SOUND_MIXER_VOLUME ) |
| #define SOUND_MIXER_READ_BASS (SOUND_BASE | SOUND_MIXER | SOUND_READ | SOUND_MIXER_BASS ) |
| #define SOUND_MIXER_READ_TREBLE (SOUND_BASE | SOUND_MIXER | SOUND_READ | SOUND_MIXER_TREBLE ) |
| #define SOUND_MIXER_READ_MIDI (SOUND_BASE | SOUND_MIXER | SOUND_READ | SOUND_MIXER_MIDI ) |
| #define SOUND_MIXER_READ_PCM (SOUND_BASE | SOUND_MIXER | SOUND_READ | SOUND_MIXER_PCM ) |
| #define SOUND_MIXER_READ_SPEAKER (SOUND_BASE | SOUND_MIXER | SOUND_READ | SOUND_MIXER_SPEAKER) |
| #define SOUND_MIXER_READ_LINE (SOUND_BASE | SOUND_MIXER | SOUND_READ | SOUND_MIXER_LINE ) |
| #define SOUND_MIXER_READ_MIC (SOUND_BASE | SOUND_MIXER | SOUND_READ | SOUND_MIXER_MIC ) |
| |
| #define SOUND_MIXER_WRITE_VOLUME (SOUND_BASE | SOUND_MIXER | SOUND_WRITE | SOUND_MIXER_VOLUME ) |
| #define SOUND_MIXER_WRITE_BASS (SOUND_BASE | SOUND_MIXER | SOUND_WRITE | SOUND_MIXER_BASS ) |
| #define SOUND_MIXER_WRITE_TREBLE (SOUND_BASE | SOUND_MIXER | SOUND_WRITE | SOUND_MIXER_TREBLE ) |
| #define SOUND_MIXER_WRITE_MIDI (SOUND_BASE | SOUND_MIXER | SOUND_WRITE | SOUND_MIXER_MIDI ) |
| #define SOUND_MIXER_WRITE_PCM (SOUND_BASE | SOUND_MIXER | SOUND_WRITE | SOUND_MIXER_PCM ) |
| #define SOUND_MIXER_WRITE_SPEAKER (SOUND_BASE | SOUND_MIXER | SOUND_WRITE | SOUND_MIXER_SPEAKER) |
| #define SOUND_MIXER_WRITE_LINE (SOUND_BASE | SOUND_MIXER | SOUND_WRITE | SOUND_MIXER_LINE ) |
| #define SOUND_MIXER_WRITE_MIC (SOUND_BASE | SOUND_MIXER | SOUND_WRITE | SOUND_MIXER_MIC ) |
| |
| /* |
| PCM control - device type 1 |
| |
| All parameters are of type "unsigned short int". |
| |
| RATE = sampling rate in Hz |
| CHANNELS = number of channels (1 = mono, 2 = stereo) |
| BITS = number of bits/sample/channel (8 = 8 bit, |
| 12 = 12 bit, 16 = 16 bit) |
| FILTER = flag (0 = don't filter, 1 = use best filter) |
| */ |
| |
| #define SOUND_PCM 0x10 |
| #define SOUND_PCM_TYPE unsigned short int |
| |
| #define SOUND_RATE 0x0 |
| #define SOUND_CHANNELS 0x1 |
| #define SOUND_BITS 0x2 |
| #define SOUND_FILTER 0x3 |
| |
| #define SOUND_PCM_READ_RATE (SOUND_BASE | SOUND_PCM | SOUND_READ | SOUND_RATE ) |
| #define SOUND_PCM_READ_CHANNELS (SOUND_BASE | SOUND_PCM | SOUND_READ | SOUND_CHANNELS) |
| #define SOUND_PCM_READ_BITS (SOUND_BASE | SOUND_PCM | SOUND_READ | SOUND_BITS ) |
| #define SOUND_PCM_READ_FILTER (SOUND_BASE | SOUND_PCM | SOUND_READ | SOUND_FILTER ) |
| |
| #define SOUND_PCM_WRITE_RATE (SOUND_BASE | SOUND_PCM | SOUND_WRITE | SOUND_RATE ) |
| #define SOUND_PCM_WRITE_CHANNELS (SOUND_BASE | SOUND_PCM | SOUND_WRITE | SOUND_CHANNELS) |
| #define SOUND_PCM_WRITE_BITS (SOUND_BASE | SOUND_PCM | SOUND_WRITE | SOUND_BITS ) |
| #define SOUND_PCM_WRITE_FILTER (SOUND_BASE | SOUND_PCM | SOUND_WRITE | SOUND_FILTER ) |
| |
| /* |
| * The Mixer ioctl calls are compatible with mach386 driver by |
| * Steve Haehnichen <shaehnic@ucsd.edu> |
| */ |
| |
| typedef unsigned char BYTE; |
| typedef unsigned char FLAG; |
| struct stereo_vol |
| { |
| BYTE l; /* Left volume */ |
| BYTE r; /* Right volume */ |
| }; |
| #define MIXER_IOCTL_SET_LEVELS 0x02014252 |
| #define MIXER_IOCTL_SET_PARAMS 0x02024252 |
| #define MIXER_IOCTL_READ_LEVELS 0x02034252 |
| #define MIXER_IOCTL_READ_PARAMS 0x02044252 |
| #define MIXER_IOCTL_RESET 0x02054252 |
| |
| /* |
| * Mixer volume levels for MIXER_IOCTL_SET_VOL & MIXER_IOCTL_READ_VOL |
| */ |
| struct sb_mixer_levels |
| { |
| struct stereo_vol master; /* Master volume */ |
| struct stereo_vol voc; /* DSP Voice volume */ |
| struct stereo_vol fm; /* FM volume */ |
| struct stereo_vol line; /* Line-in volume */ |
| struct stereo_vol cd; /* CD audio */ |
| BYTE mic; /* Microphone level */ |
| }; |
| |
| /* |
| * Mixer parameters for MIXER_IOCTL_SET_PARAMS & MIXER_IOCTL_READ_PARAMS |
| */ |
| struct sb_mixer_params |
| { |
| BYTE record_source; /* Recording source (See SRC_xxx below) */ |
| FLAG hifreq_filter; /* Filter frequency (hi/low) */ |
| FLAG filter_input; /* ANFI input filter */ |
| FLAG filter_output; /* DNFI output filter */ |
| FLAG dsp_stereo; /* 1 if DSP is in Stereo mode */ |
| }; |
| |
| #define SRC_MIC 1 /* Select Microphone recording source */ |
| #define SRC_CD 3 /* Select CD recording source */ |
| #define SRC_LINE 7 /* Use Line-in for recording source */ |
| |
| |
| /* |
| * Dynamic configuration mechanism. |
| * (for soundload program) |
| */ |
| |
| |
| struct soundcard_config |
| { |
| int config_command; |
| #define SNDCONF_RESET 0 |
| #define SNDCONF_START 1 |
| #define SNDCONF_SETCARD 2 |
| |
| int cardtype; /* SNDCARD_ADLIB etc. */ |
| int card_subtype; /* Card dependent number */ |
| |
| int config_parms[100]; /* Card dependent parameters */ |
| }; |
| |
| extern long soundcard_init(long mem_start); |
| |
| #endif |
