219 lines
6.0 KiB
C
219 lines
6.0 KiB
C
#ifndef SOUND_SND_SB_DSP_H
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#define SOUND_SND_SB_DSP_H
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#include <86box/fifo.h>
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/*Sound Blaster Clones, for quirks*/
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#define SB_SUBTYPE_DEFAULT 0 /* Handle as a Creative card */
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#define SB_SUBTYPE_CLONE_AZT2316A_0X11 1 /* Aztech Sound Galaxy Pro 16 AB, DSP 3.1 - SBPRO2 clone */
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#define SB_SUBTYPE_CLONE_AZT1605_0X0C 2 /* Aztech Sound Galaxy Nova 16 Extra /
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Packard Bell Forte 16, DSP 2.1 - SBPRO2 clone */
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#define SB_SUBTYPE_ESS_ES688 3 /* ESS Technology ES688 */
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#define SB_SUBTYPE_ESS_ES1688 4 /* ESS Technology ES1688 */
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/* ESS-related */
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#define IS_ESS(dsp) ((dsp)->sb_subtype >= SB_SUBTYPE_ESS_ES688) /* Check for future ESS cards here */
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#define IS_NOT_ESS(dsp) ((dsp)->sb_subtype < SB_SUBTYPE_ESS_ES688) /* Check for future ESS cards here */
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/* aztech-related */
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#define IS_AZTECH(dsp) ((dsp)->sb_subtype == SB_SUBTYPE_CLONE_AZT2316A_0X11 || (dsp)->sb_subtype == SB_SUBTYPE_CLONE_AZT1605_0X0C) /* check for future AZT cards here */
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#define AZTECH_EEPROM_SIZE 16
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typedef struct sb_dsp_t {
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int sb_type;
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int sb_subtype; /* which clone */
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void *parent; /* "sb_t *" if default subtype, "azt2316a_t *" if aztech. */
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int sb_8_length;
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int sb_8_origlength;
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int sb_8_format;
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int sb_8_autoinit;
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int sb_8_pause;
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int sb_8_enable;
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int sb_8_autolen;
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int sb_8_output;
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int sb_8_dmanum;
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int sb_16_length;
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int sb_16_origlength;
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int sb_16_format;
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int sb_16_autoinit;
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int sb_16_pause;
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int sb_16_enable;
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int sb_16_autolen;
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int sb_16_output;
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int sb_16_dmanum;
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int sb_16_8_dmanum;
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int sb_16_dma_enabled;
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int sb_16_dma_supported;
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int sb_16_dma_translate;
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int sb_pausetime;
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int (*dma_readb)(void *priv);
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int (*dma_readw)(void *priv);
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int (*dma_writeb)(void *priv, uint8_t val);
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int (*dma_writew)(void *priv, uint16_t val);
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void *dma_priv;
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uint8_t sb_read_data[256];
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uint8_t dma_ff;
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int dma_data;
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int sb_read_wp;
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int sb_read_rp;
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int sb_speaker;
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int muted;
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int sb_data_stat;
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int midi_in_sysex;
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int midi_in_poll;
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int uart_midi;
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int uart_irq;
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int onebyte_midi;
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int midi_in_timestamp;
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int sb_irqnum;
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void (*irq_update)(void *priv, int set);
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void *irq_priv;
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uint8_t sbe2;
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int sbe2count;
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uint8_t sb_data[8];
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int sb_freq;
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int16_t sbdat;
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int sbdat2;
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int16_t sbdatl;
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int16_t sbdatr;
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uint8_t sbref;
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int8_t sbstep;
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int sbdacpos;
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int sbleftright;
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int sbleftright_default;
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int sbreset;
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uint8_t sbreaddat;
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uint8_t sb_command;
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uint8_t sb_test;
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int sb_timei;
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int sb_timeo;
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int sb_irq8;
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int sb_irq16;
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int sb_irq401;
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int sb_irqm8;
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int sb_irqm16;
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int sb_irqm401;
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uint8_t sb_has_real_opl;
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uint8_t sb_asp_regs[256];
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uint8_t sb_asp_mode;
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uint8_t sb_asp_ram[2048];
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int sb_asp_ram_index;
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uint8_t sb_8051_ram[256];
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int sbenable;
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int sb_enable_i;
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int state;
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pc_timer_t output_timer;
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pc_timer_t input_timer;
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double sblatcho;
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double sblatchi;
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uint16_t sb_addr;
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int stereo;
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int asp_data_len;
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pc_timer_t wb_timer;
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int wb_full;
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pc_timer_t irq_timer;
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pc_timer_t irq16_timer;
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int busy_count;
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int record_pos_read;
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int record_pos_write;
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int16_t record_buffer[0xFFFF];
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int16_t buffer[SOUNDBUFLEN * 2];
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int pos;
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uint8_t azt_eeprom[AZTECH_EEPROM_SIZE]; /* the eeprom in the Aztech cards is attached to the DSP */
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uint8_t ess_regs[256]; /* ESS registers. */
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uint8_t ess_playback_mode;
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uint8_t ess_extended_mode;
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uint8_t ess_reload_len;
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uint32_t ess_dma_counter;
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/* IRQ status flags (0x22C) */
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uint8_t ess_irq_generic;
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uint8_t ess_irq_dmactr;
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/* ESPCM */
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fifo64_t *espcm_fifo;
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uint8_t espcm_fifo_reset;
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uint8_t espcm_mode; /* see ESPCM in "NON-PCM SAMPLE FORMATS" deflist in snd_sb_dsp.c */
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uint8_t espcm_sample_idx;
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uint8_t espcm_range;
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uint8_t espcm_byte_buffer[4];
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uint8_t espcm_code_buffer[19]; /* used for ESPCM_3 and for ESPCM_4 recording */
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int8_t espcm_sample_buffer[19]; /* used for ESPCM_4 recording */
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uint8_t espcm_table_index; /* used for ESPCM_3 */
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uint8_t espcm_last_value; /* used for ESPCM_3 */
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mpu_t *mpu;
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} sb_dsp_t;
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extern void sb_dsp_input_msg(void *priv, uint8_t *msg, uint32_t len);
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extern int sb_dsp_input_sysex(void *priv, uint8_t *buffer, uint32_t len, int abort);
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extern void sb_dsp_set_mpu(sb_dsp_t *dsp, mpu_t *src_mpu);
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extern void sb_dsp_init(sb_dsp_t *dsp, int type, int subtype, void *parent);
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extern void sb_dsp_close(sb_dsp_t *dsp);
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extern void sb_dsp_setirq(sb_dsp_t *dsp, int irq);
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extern void sb_dsp_setdma8(sb_dsp_t *dsp, int dma);
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extern void sb_dsp_setdma16(sb_dsp_t *dsp, int dma);
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extern void sb_dsp_setdma16_8(sb_dsp_t *dsp, int dma);
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extern void sb_dsp_setdma16_enabled(sb_dsp_t *dsp, int enabled);
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extern void sb_dsp_setdma16_supported(sb_dsp_t *dsp, int supported);
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extern void sb_dsp_setdma16_translate(sb_dsp_t *dsp, int translate);
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extern void sb_dsp_setaddr(sb_dsp_t *dsp, uint16_t addr);
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extern void sb_dsp_speed_changed(sb_dsp_t *dsp);
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extern void sb_dsp_poll(sb_dsp_t *dsp, int16_t *l, int16_t *r);
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extern void sb_dsp_set_real_opl(sb_dsp_t *dsp, uint8_t has_real_opl);
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extern void sb_dsp_set_stereo(sb_dsp_t *dsp, int stereo);
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extern void sb_dsp_update(sb_dsp_t *dsp);
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extern void sb_update_mask(sb_dsp_t *dsp, int irqm8, int irqm16, int irqm401);
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extern void sb_dsp_irq_attach(sb_dsp_t *dsp, void (*irq_update)(void *priv, int set), void *priv);
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extern void sb_dsp_dma_attach(sb_dsp_t *dsp,
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int (*dma_readb)(void *priv),
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int (*dma_readw)(void *priv),
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int (*dma_writeb)(void *priv, uint8_t val),
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int (*dma_writew)(void *priv, uint16_t val),
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void *priv);
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#endif /* SOUND_SND_SB_DSP_H */
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