Files
86Box/src/include/86box/hdd_audio.h
2026-01-04 21:35:59 +02:00

83 lines
2.7 KiB
C

/*
* 86Box A hypervisor and IBM PC system emulator that specializes in
* running old operating systems and software designed for IBM
* PC systems and compatibles from 1981 through fairly recent
* system designs based on the PCI bus.
*
* This file is part of the 86Box distribution.
*
* Definitions for the hard disk audio emulation.
*
* Authors: Toni Riikonen, <riikonen.toni@gmail.com>
*
* Copyright 2026 Toni Riikonen.
*/
#ifndef EMU_HDD_AUDIO_H
#define EMU_HDD_AUDIO_H
#include <stdint.h>
#include <86box/hdd.h>
#ifdef __cplusplus
extern "C" {
#endif
#define HDD_AUDIO_PROFILE_MAX 64
/* Spindle motor states */
typedef enum {
HDD_SPINDLE_STOPPED = 0,
HDD_SPINDLE_STARTING,
HDD_SPINDLE_RUNNING,
HDD_SPINDLE_STOPPING
} hdd_spindle_state_t;
/* Audio sample configuration structure */
typedef struct {
char filename[512];
float volume;
} hdd_audio_sample_config_t;
/* HDD audio profile configuration */
typedef struct {
int id;
char name[128];
char internal_name[64];
uint32_t rpm;
hdd_audio_sample_config_t spindlemotor_start;
hdd_audio_sample_config_t spindlemotor_loop;
hdd_audio_sample_config_t spindlemotor_stop;
hdd_audio_sample_config_t seek_track;
} hdd_audio_profile_config_t;
/* Functions for profile management */
extern void hdd_audio_load_profiles(void);
extern int hdd_audio_get_profile_count(void);
extern const hdd_audio_profile_config_t *hdd_audio_get_profile(int id);
extern const char *hdd_audio_get_profile_name(int id);
extern const char *hdd_audio_get_profile_internal_name(int id);
extern uint32_t hdd_audio_get_profile_rpm(int id);
extern int hdd_audio_get_profile_by_internal_name(const char *internal_name);
/* HDD audio initialization and cleanup */
extern void hdd_audio_init(void);
extern void hdd_audio_reset(void);
extern void hdd_audio_close(void);
extern void hdd_audio_callback(int16_t *buffer, int length);
extern void hdd_audio_seek(hard_disk_t *hdd, uint32_t new_cylinder);
/* Per-drive spindle control */
extern void hdd_audio_spinup_drive(int hdd_index);
extern void hdd_audio_spindown_drive(int hdd_index);
extern hdd_spindle_state_t hdd_audio_get_drive_spindle_state(int hdd_index);
/* Legacy functions for backward compatibility - operate on all drives */
extern void hdd_audio_spinup(void);
extern void hdd_audio_spindown(void);
extern hdd_spindle_state_t hdd_audio_get_spindle_state(void);
#ifdef __cplusplus
}
#endif
#endif /* EMU_HDD_AUDIO_H */