/* SoundBlaster and compatible soundcards definitions -- from libMikMod. Written by Andrew Zabolotny Further bug fixes by O.Sezer This file is part of WildMIDI. WildMIDI is free software: you can redistribute and/or modify the player under the terms of the GNU General Public License and you can redistribute and/or modify the library under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 of the licenses, or(at your option) any later version. WildMIDI 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 and the GNU Lesser General Public License for more details. You should have received a copy of the GNU General Public License and the GNU Lesser General Public License along with WildMIDI. If not, see . */ #ifndef __DOSSB_H__ #define __DOSSB_H__ #include "dosdma.h" #include "dosirq.h" #define SB_FM_LEFT_STATUS (sb.port + 0x00) /* (r) Left FM status */ #define SB_FM_LEFT_REGSEL (sb.port + 0x00) /* (w) Left FM register select */ #define SB_FM_LEFT_DATA (sb.port + 0x01) /* (w) Left FM data */ #define SB_FM_RIGHT_STATUS (sb.port + 0x02) /* (r) Right FM status */ #define SB_FM_RIGHT_REGSEL (sb.port + 0x02) /* (w) Right FM register select */ #define SB_FM_RIGHT_DATA (sb.port + 0x03) /* (w) Right FM data */ #define SB_MIXER_REGSEL (sb.port + 0x04) /* (w) Mixer register select */ #define SB_MIXER_DATA (sb.port + 0x05) /* (rw)Mixer data */ #define SB_DSP_RESET (sb.port + 0x06) /* (w) DSP reset */ #define SB_FM_STATUS (sb.port + 0x08) /* (r) FM status */ #define SB_FM_REGSEL (sb.port + 0x08) /* (w) FM register select */ #define SB_FM_DATA (sb.port + 0x09) /* (w) FM data */ #define SB_DSP_DATA_IN (sb.port + 0x0a) /* (r) DSP data input */ #define SB_DSP_DATA_OUT (sb.port + 0x0c) /* (w) DSP data output */ #define SB_DSP_DATA_OUT_STATUS (sb.port + 0x0c) /* (r) DSP data output status */ #define SB_DSP_TIMER_IRQ (sb.port + 0x0d) /* (r) clear timer IRQ? */ #define SB_DSP_DATA_IN_STATUS (sb.port + 0x0e) /* (r) DSP data input status */ #define SB_DSP_DMA8_IRQ (sb.port + 0x0e) /* (r) Acknowledge 8-bit DMA transfer */ #define SB_DSP_DMA16_IRQ (sb.port + 0x0f) /* (r) Acknowledge 16-bit DMA transfer */ /* DSP commands */ #define SBDSP_ASP_STATUS 0x03 /* ASP Status (SB16ASP) */ #define SBDSP_STATUS_OLD 0x04 /* DSP Status (Obsolete) (SB2.0-Pro2) */ #define SBDSP_DIRECT_DAC 0x10 /* Direct DAC, 8-bit (SB) */ #define SBDSP_DMA_PCM8 0x14 /* DMA DAC, 8-bit (SB) */ #define SBDSP_DMA_ADPCM2 0x16 /* DMA DAC, 2-bit ADPCM (SB) */ #define SBDSP_DMA_ADPCM2R 0x17 /* DMA DAC, 2-bit ADPCM Reference (SB) */ #define SBDSP_DMA_PCM8_AUTO 0x1C /* Auto-Initialize DMA DAC, 8-bit (SB2.0) */ #define SBDSP_DMA_ADPCM2R_AUTO 0x1F /* Auto-Initialize DMA DAC, 2-bit ADPCM Reference (SB2.0) */ #define SBDSP_DIRECT_ADC 0x20 /* Direct ADC, 8-bit (SB) */ #define SBDSP_DMA_ADC8 0x24 /* DMA ADC, 8-bit (SB) */ #define SBDSP_DIRECT_ADC8_BURST 0x28 /* Direct ADC, 8-bit (Burst) (SB-Pro2) */ #define SBDSP_DMA_ADC8_AUTO 0x2C /* Auto-Initialize DMA ADC, 8-bit (SB2.0) */ #define SBDSP_MIDI_READ_POLL 0x30 /* MIDI Read Poll (SB) */ #define SBDSP_MIDI_READ_IRQ 0x31 /* MIDI Read Interrupt (SB) */ #define SBDSP_MIDI_READ_TIME 0x32 /* MIDI Read Timestamp Poll (SB???) */ #define SBDSP_MIDI_READ_TIME_IRQ 0x33 /* MIDI Read Timestamp Interrupt (SB???) */ #define SBDSP_MIDI_RW_POLL 0x34 /* MIDI Read Poll + Write Poll (UART) (SB2.0) */ #define SBDSP_MIDI_RW_IRQ 0x35 /* MIDI Read Interrupt + Write Poll (UART) (SB2.0???) */ #define SBDSP_MIDI_RW_TIME_IRQ 0x37 /* MIDI Read Timestamp Interrupt + Write Poll (UART) (SB2.0???) */ #define SBDSP_MIDI_WRITE_POLL 0x38 /* MIDI Write Poll (SB) */ #define SBDSP_SET_TIMING 0x40 /* Set Time Constant (SB) */ #define SBDSP_SET_RATE 0x41 /* Set Sample Rate, Hz (SB16) */ #define SBDSP_DMA_CONT8_AUTO 0x45 /* Continue Auto-Initialize DMA, 8-bit (SB16) */ #define SBDSP_DMA_CONT16_AUTO 0x47 /* Continue Auto-Initialize DMA, 16-bit (SB16) */ #define SBDSP_SET_DMA_BLOCK 0x48 /* Set DMA Block Size (SB2.0) */ #define SBDSP_DMA_ADPCM4 0x74 /* DMA DAC, 4-bit ADPCM (SB) */ #define SBDSP_DMA_ADPCM4_REF 0x75 /* DMA DAC, 4-bit ADPCM Reference (SB) */ #define SBDSP_DMA_ADPCM26 0x76 /* DMA DAC, 2.6-bit ADPCM (SB) */ #define SBDSP_DMA_ADPCM26_REF 0x77 /* DMA DAC, 2.6-bit ADPCM Reference (SB) */ #define SBDSP_DMA_ADPCM4R_AUTO 0x7D /* Auto-Initialize DMA DAC, 4-bit ADPCM Reference (SB2.0) */ #define SBDSP_DMA_ADPCM26R_AUTO 0x7F /* Auto-Initialize DMA DAC, 2.6-bit ADPCM Reference (SB2.0) */ #define SBDSP_DISABLE_DAC 0x80 /* Silence DAC (SB) */ #define SBDSP_HS_DMA_DAC8_AUTO 0x90 /* Auto-Initialize DMA DAC, 8-bit (High Speed) (SB2.0-Pro2) */ #define SBDSP_HS_DMA_ADC8_AUTO 0x98 /* Auto-Initialize DMA ADC, 8-bit (High Speed) (SB2.0-Pro2) */ #define SBDSP_STEREO_ADC_DIS 0xA0 /* Disable Stereo Input Mode (SBPro Only) */ #define SBDSP_STEREO_ADC_ENA 0xA8 /* Enable Stereo Input Mode (SBPro Only) */ #define SBDSP_DMA_GENERIC16 0xB0 /* Generic DAC/ADC DMA (16-bit) (SB16) */ #define SBDSP_DMA_GENERIC8 0xC0 /* Generic DAC/ADC DMA (8-bit) (SB16) */ #define SBDSP_DMA_HALT8 0xD0 /* Halt DMA Operation, 8-bit (SB) */ #define SBDSP_SPEAKER_ENA 0xD1 /* Enable Speaker (SB) */ #define SBDSP_SPEAKER_DIS 0xD3 /* Disable Speaker (SB) */ #define SBDSP_DMA_CONT8 0xD4 /* Continue DMA Operation, 8-bit (SB) */ #define SBDSP_DMA_HALT16 0xD5 /* Halt DMA Operation, 16-bit (SB16) */ #define SBDSP_DMA_CONT16 0xD6 /* Continue DMA Operation, 16-bit (SB16) */ #define SBDSP_SPEAKER_STATUS 0xD8 /* Speaker Status (SB) */ #define SBDSP_DMA_EXIT16_AUTO 0xD9 /* Exit Auto-Initialize DMA Operation, 16-bit (SB16) */ #define SBDSP_DMA_EXIT8_AUTO 0xDA /* Exit Auto-Initialize DMA Operation, 8-bit (SB2.0) */ #define SBDSP_IDENTIFY 0xE0 /* DSP Identification (SB2.0) */ #define SBDSP_VERSION 0xE1 /* DSP Version (SB) */ #define SBDSP_COPYRIGHT 0xE3 /* DSP Copyright (SBPro2???) */ #define SBDSP_WRITE_TEST 0xE4 /* Write Test Register (SB2.0) */ #define SBDSP_READ_TEST 0xE8 /* Read Test Register (SB2.0) */ #define SBDSP_SINE_GEN 0xF0 /* Sine Generator (SB) */ #define SBDSP_AUX_STATUS_PRO 0xF1 /* DSP Auxiliary Status (Obsolete) (SB-Pro2) */ #define SBDSP_GEN_IRQ8 0xF2 /* IRQ Request, 8-bit (SB) */ #define SBDSP_GEN_IRQ16 0xF3 /* IRQ Request, 16-bit (SB16) */ #define SBDSP_STATUS 0xFB /* DSP Status (SB16) */ #define SBDSP_AUX_STATUS_16 0xFC /* DSP Auxiliary Status (SB16) */ #define SBDSP_CMD_STATUS 0xFD /* DSP Command Status (SB16) */ /* Mixer commands */ #define SBMIX_RESET 0x00 /* Reset Write SBPro */ #define SBMIX_STATUS 0x01 /* Status Read SBPro */ #define SBMIX_MASTER_LEVEL1 0x02 /* Master Volume Read/Write SBPro Only */ #define SBMIX_DAC_LEVEL 0x04 /* DAC Level Read/Write SBPro */ #define SBMIX_FM_OUTPUT 0x06 /* FM Output Control Read/Write SBPro Only */ #define SBMIX_MIC_LEVEL 0x0A /* Microphone Level Read/Write SBPro */ #define SBMIX_INPUT_SELECT 0x0C /* Input/Filter Select Read/Write SBPro Only */ #define SBMIX_OUTPUT_SELECT 0x0E /* Output/Stereo Select Read/Write SBPro Only */ #define SBMIX_FM_LEVEL 0x22 /* Master Volume Read/Write SBPro */ #define SBMIX_MASTER_LEVEL 0x26 /* FM Level Read/Write SBPro */ #define SBMIX_CD_LEVEL 0x28 /* CD Audio Level Read/Write SBPro */ #define SBMIX_LINEIN_LEVEL 0x2E /* Line In Level Read/Write SBPro */ #define SBMIX_MASTER_LEVEL_L 0x30 /* Master Volume Left Read/Write SB16 */ #define SBMIX_MASTER_LEVEL_R 0x31 /* Master Volume Right Read/Write SB16 */ #define SBMIX_DAC_LEVEL_L 0x32 /* DAC Level Left Read/Write SB16 */ #define SBMIX_DAC_LEVEL_R 0x33 /* DAC Level Right Read/Write SB16 */ #define SBMIX_FM_LEVEL_L 0x34 /* FM Level Left Read/Write SB16 */ #define SBMIX_FM_LEVEL_R 0x35 /* FM Level Right Read/Write SB16 */ #define SBMIX_CD_LEVEL_L 0x36 /* CD Audio Level Left Read/Write SB16 */ #define SBMIX_CD_LEVEL_R 0x37 /* CD Audio Level Right Read/Write SB16 */ #define SBMIX_LINEIN_LEVEL_L 0x38 /* Line In Level Left Read/Write SB16 */ #define SBMIX_LINEIN_LEVEL_R 0x39 /* Line In Level Right Read/Write SB16 */ #define SBMIX_MIC_LEVEL_16 0x3A /* Microphone Level Read/Write SB16 */ #define SBMIX_PCSPK_LEVEL 0x3B /* PC Speaker Level Read/Write SB16 */ #define SBMIX_OUTPUT_CONTROL 0x3C /* Output Control Read/Write SB16 */ #define SBMIX_INPUT_CONTROL_L 0x3D /* Input Control Left Read/Write SB16 */ #define SBMIX_INPUT_CONTROL_R 0x3E /* Input Control Right Read/Write SB16 */ #define SBMIX_INPUT_GAIN_L 0x3F /* Input Gain Control Left Read/Write SB16 */ #define SBMIX_INPUT_GAIN_R 0x40 /* Input Gain Control Right Read/Write SB16 */ #define SBMIX_OUTPUT_GAIN_L 0x41 /* Output Gain Control Left Read/Write SB16 */ #define SBMIX_OUTPUT_GAIN_R 0x42 /* Output Gain Control Right Read/Write SB16 */ #define SBMIX_AGC_CONTROL 0x43 /* Automatic Gain Control (AGC) Read/Write SB16 */ #define SBMIX_TREBLE_L 0x44 /* Treble Left Read/Write SB16 */ #define SBMIX_TREBLE_R 0x45 /* Treble Right Read/Write SB16 */ #define SBMIX_BASS_L 0x46 /* Bass Left Read/Write SB16 */ #define SBMIX_BASS_R 0x47 /* Bass Right Read/Write SB16 */ #define SBMIX_IRQ_SELECT 0x80 /* IRQ Select Read/Write SB16 */ #define SBMIX_DMA_SELECT 0x81 /* DMA Select Read/Write SB16 */ #define SBMIX_IRQ_STATUS 0x82 /* IRQ Status Read SB16 */ /* SB_DSP_DATA_OUT_STATUS and SB_DSP_DATA_IN_STATUS bits */ #define SBM_DSP_READY 0x80 /* SB_DSP_RESET / SBMIX_RESET */ #define SBM_DSP_RESET 0x01 /* SBMIX_OUTPUT_SELECT */ #define SBM_MIX_STEREO 0x02 #define SBM_MIX_FILTER 0x20 /* SBDSP_DMA_GENERIC16/SBDSP_DMA_GENERIC8 */ #define SBM_GENDAC_FIFO 0x02 #define SBM_GENDAC_AUTOINIT 0x04 #define SBM_GENDAC_ADC 0x08 /* Second (mode) byte */ #define SBM_GENDAC_SIGNED 0x10 #define SBM_GENDAC_STEREO 0x20 /* DSP version masks */ #define SBVER_10 0x0100 /* Original SoundBlaster */ #define SBVER_15 0x0105 /* SoundBlaster 1.5 */ #define SBVER_20 0x0200 /* SoundBlaster 2.0 */ #define SBVER_PRO 0x0300 /* SoundBlaster Pro */ #define SBVER_PRO2 0x0301 /* SoundBlaster Pro 2 */ #define SBVER_16 0x0400 /* SoundBlaster 16 */ #define SBVER_AWE32 0x040c /* SoundBlaster AWE32 */ typedef unsigned char boolean; #ifndef FALSE #define FALSE 0 #define TRUE 1 #endif /* Play mode bits */ #define SBMODE_16BITS 0x0001 #define SBMODE_STEREO 0x0002 #define SBMODE_SIGNED 0x0004 /* Mask for capabilities that never change */ #define SBMODE_MASK (SBMODE_16BITS | SBMODE_STEREO) /* You can fill some members of this struct (i.e. port,irq,dma) before * calling sb_detect() or sb_open()... this will ignore environment settings. */ typedef struct __sb_state_s { boolean ok; /* Are structure contents valid? */ int port, aweport; /* sb/awe32 base port */ int irq; /* SoundBlaster IRQ */ int dma8, dma16; /* 8-bit and 16-bit DMAs */ unsigned maxfreq_mono; /* Maximum discretization frequency / mono mode */ unsigned maxfreq_stereo; /* Maximum discretization frequency / stereo mode */ unsigned short dspver; /* DSP version number */ struct irq_handle *irq_handle; /* The interrupt handler */ dma_buffer *dma_buff; /* Pre-allocated DMA buffer */ unsigned char caps; /* SoundBlaster capabilities (SBMODE_XXX) */ unsigned char mode; /* Current SB mode (SBMODE_XXX) */ boolean open; /* Whenever the card has been opened */ volatile int irqcount; /* Incremented on each IRQ... for diagnostics */ void (*timer_callback) (); /* Called TWICE per buffer play */ } __sb_state; extern __sb_state sb; extern void __sb_wait(); static inline boolean __sb_dsp_ready_in() { int count; for (count = 10000; count >= 0; count--) if (inportb(SB_DSP_DATA_IN_STATUS) & SBM_DSP_READY) return TRUE; return FALSE; } static inline boolean __sb_dsp_ready_out() { int count; for (count = 10000; count >= 0; count--) if ((inportb(SB_DSP_DATA_OUT_STATUS) & SBM_DSP_READY) == 0) return TRUE; return FALSE; } static inline void __sb_dsp_out(unsigned char reg) { __sb_dsp_ready_out(); outportb(SB_DSP_DATA_OUT, reg); } static inline unsigned char __sb_dsp_in() { __sb_dsp_ready_in(); return inportb(SB_DSP_DATA_IN); } static inline void __sb_dspreg_out(unsigned char reg, unsigned char val) { __sb_dsp_out(reg); __sb_dsp_out(val); } static inline void __sb_dspreg_outwlh(unsigned char reg, unsigned short val) { __sb_dsp_out(reg); __sb_dsp_out(val); __sb_dsp_out(val >> 8); } static inline void __sb_dspreg_outwhl(unsigned char reg, unsigned short val) { __sb_dsp_out(reg); __sb_dsp_out(val >> 8); __sb_dsp_out(val); } static inline unsigned char __sb_dspreg_in(unsigned char reg) { __sb_dsp_out(reg); return __sb_dsp_in(); } static inline void __sb_dsp_ack_dma8() { inportb(SB_DSP_DMA8_IRQ); } static inline void __sb_dsp_ack_dma16() { inportb(SB_DSP_DMA16_IRQ); } static inline unsigned short __sb_dsp_version() { unsigned short ver; __sb_dsp_out(SBDSP_VERSION); __sb_dsp_ready_in(); ver = ((unsigned short)__sb_dsp_in()) << 8; ver |= __sb_dsp_in(); return ver; } static inline void __sb_mixer_out(unsigned char reg, unsigned char val) { outportb(SB_MIXER_REGSEL, reg); outportb(SB_MIXER_DATA, val); } static inline unsigned char __sb_mixer_in(unsigned char reg) { outportb(SB_MIXER_REGSEL, reg); return inportb(SB_MIXER_DATA); } /* Enable stereo transfers: sbpro mode only */ static inline void __sb_stereo(boolean stereo) { unsigned char val = __sb_mixer_in(SBMIX_OUTPUT_SELECT); if (stereo) val |= SBM_MIX_STEREO; else val &= ~SBM_MIX_STEREO; __sb_mixer_out(SBMIX_OUTPUT_SELECT, val); } /* Detect whenever SoundBlaster is present and fill "sb" structure */ extern boolean sb_detect(); /* Reset SoundBlaster */ extern void sb_reset(); /* Start working with SoundBlaster */ extern boolean sb_open(); /* Finish working with SoundBlaster */ extern boolean sb_close(); /* Enable/disable speaker output */ extern void sb_output(boolean enable); /* Start playing from DMA buffer in either 8/16 bit mono/stereo */ extern boolean sb_start_dma(unsigned char mode, unsigned int freq); /* Stop playing from DMA buffer */ extern void sb_stop_dma(); /* Query current position/total size of the DMA buffer */ extern void sb_query_dma(unsigned int *dma_size, unsigned int *dma_pos); #endif /* __DOSSB_H__ */