pmd-sky/lib/include/nitro/snd/common/channel.h

#ifndef NITRO_SND_COMMON_CHANNEL_H_
#define NITRO_SND_COMMON_CHANNEL_H_

#include <nitro/types.h>

#if !(defined(SDK_WIN32) || defined(SDK_FROM_TOOL))
    #include <nitro/misc.h>
    //#include <nitro/hw/common/armArch.h>

    #ifdef SDK_ARM7
        #include <nitro/hw/ARM7/ioreg_SND.h>
    #endif
#else
    #define HW_CPU_CLOCK_ARM7    33513982
#endif

#ifdef __cplusplus
extern "C" {
#endif

#define SND_TIMER_CLOCK (HW_CPU_CLOCK_ARM7 / 2)

#define SND_CHANNEL_NUM               16
#define SND_CHANNEL_MIN               0
#define SND_CHANNEL_MAX               15

#define SND_PSG_CHANNEL_MIN           8
#define SND_PSG_CHANNEL_MAX           13
#define SND_PSG_CHANNEL_NUM          (SND_PSG_CHANNEL_MAX - SND_PSG_CHANNEL_MIN + 1)

#define SND_NOISE_CHANNEL_MIN         14
#define SND_NOISE_CHANNEL_MAX         15
#define SND_NOISE_CHANNEL_NUM        (SND_NOISE_CHANNEL_MAX - SND_NOISE_CHANNEL_MIN + 1)

#define SND_CHANNEL_PAN_MIN           0
#define SND_CHANNEL_PAN_CENTER        64
#define SND_CHANNEL_PAN_MAX           0x7f

#define SND_CHANNEL_VOLUME_MIN        0
#define SND_CHANNEL_VOLUME_MAX        0x7f

#define SND_CHANNEL_TIMER_MIN         0x10
#define SND_CHANNEL_TIMER_MAX         0xffff

#define SND_CHANNEL_LOOP_START_MAX    0xffff
#define SND_CHANNEL_LOOP_LEN_MAX      0x3fffff

#define SND_CHANNEL_SAD_MASK          0x07fffffc

#define SND_PCM_CHANNEL_MASK          0xffff
#define SND_PSG_CHANNEL_MASK          0x3f00
#define SND_NOISE_CHANNEL_MASK        0xc000
#define SND_CAPIN_CHANNEL_MASK        0x0005
#define SND_CAPOUT_CHANNEL_MASK       0x000a

#define SND_CHANNEL_STOP_HOLD         (1 << 0)
#define SND_CHANNEL_REG_OFFSET(ch)    ((ch) << 4)

#ifdef SDK_ARM9
    #define REG_SND_SOUND0CNT_E_SHIFT                          31
    #define REG_SND_SOUND0CNT_E_SIZE                           1
    #define REG_SND_SOUND0CNT_E_MASK                           0x80000000

    #define REG_SND_SOUND0CNT_FORMAT_SHIFT                     29
    #define REG_SND_SOUND0CNT_FORMAT_SIZE                      2
    #define REG_SND_SOUND0CNT_FORMAT_MASK                      0x60000000

    #define REG_SND_SOUND0CNT_REPEAT_SHIFT                     27
    #define REG_SND_SOUND0CNT_REPEAT_SIZE                      2
    #define REG_SND_SOUND0CNT_REPEAT_MASK                      0x18000000

    #define REG_SND_SOUND0CNT_DUTY_SHIFT                       24
    #define REG_SND_SOUND0CNT_DUTY_SIZE                        3
    #define REG_SND_SOUND0CNT_DUTY_MASK                        0x07000000

    #define REG_SND_SOUND0CNT_PAN_SHIFT                        16
    #define REG_SND_SOUND0CNT_PAN_SIZE                         7
    #define REG_SND_SOUND0CNT_PAN_MASK                         0x007f0000

    #define REG_SND_SOUND0CNT_HOLD_SHIFT                       15
    #define REG_SND_SOUND0CNT_HOLD_SIZE                        1
    #define REG_SND_SOUND0CNT_HOLD_MASK                        0x00008000

    #define REG_SND_SOUND0CNT_SHIFT_SHIFT                      8
    #define REG_SND_SOUND0CNT_SHIFT_SIZE                       2
    #define REG_SND_SOUND0CNT_SHIFT_MASK                       0x00000300

    #define REG_SND_SOUND0CNT_VOLUME_SHIFT                     0
    #define REG_SND_SOUND0CNT_VOLUME_SIZE                      7
    #define REG_SND_SOUND0CNT_VOLUME_MASK                      0x0000007f
#endif

typedef enum {
	SND_CHANNEL_0,
	SND_CHANNEL_1,
	SND_CHANNEL_2,
	SND_CHANNEL_3,
	SND_CHANNEL_4,
	SND_CHANNEL_5,
	SND_CHANNEL_6,
	SND_CHANNEL_7,
	SND_CHANNEL_8,
	SND_CHANNEL_9,
	SND_CHANNEL_10,
	SND_CHANNEL_11,
	SND_CHANNEL_12,
	SND_CHANNEL_13,
	SND_CHANNEL_14,
	SND_CHANNEL_15
} SNDChannelId;

typedef enum {
	SND_WAVE_FORMAT_PCM8,
	SND_WAVE_FORMAT_PCM16,
	SND_WAVE_FORMAT_ADPCM,
	SND_WAVE_FORMAT_PSG,
	SND_WAVE_FORMAT_NOISE = SND_WAVE_FORMAT_PSG
} SNDWaveFormat;

typedef enum {
	SND_CHANNEL_LOOP_MANUAL,
	SND_CHANNEL_LOOP_REPEAT,
	SND_CHANNEL_LOOP_1SHOT
} SNDChannelLoop;

#define SND_CHANNEL_LOOP_REPAET SND_CHANNEL_LOOP_REPEAT

typedef enum {
	SND_DUTY_1_8,
	SND_DUTY_2_8,
	SND_DUTY_3_8,
	SND_DUTY_4_8,
	SND_DUTY_5_8,
	SND_DUTY_6_8,
	SND_DUTY_7_8
} SNDDuty;

typedef enum {
	SND_CHANNEL_DATASHIFT_NONE,
	SND_CHANNEL_DATASHIFT_1BIT,
	SND_CHANNEL_DATASHIFT_2BIT,
	SND_CHANNEL_DATASHIFT_4BIT
} SNDChannelDataShift;

#ifdef SDK_ARM7
    #if !(defined(SDK_WIN32) || defined(SDK_FROM_TOOL))
        static inline void Snd_StartChannel (int chNo)
        {
            SDK_MINMAX_ASSERT(chNo, SND_CHANNEL_MIN, SND_CHANNEL_MAX);

            *((REGType8v *)(REG_SOUND0CNT_8_ADDR + SND_CHANNEL_REG_OFFSET(chNo)))
                |= REG_SND_SOUND0CNT_8_E_MASK;
        }
    #else
        void Snd_StartChannel(int chNo);
    #endif
#endif

#ifdef SDK_ARM7
    void Snd_SetupChannelPcm(int chNo,
                            const void * dataaddr,
                            SNDWaveFormat format,
                            SNDChannelLoop loop,
                            int loopStart,
                            int loopLen, int volume, SNDChannelDataShift shift, int timer, int pan);

    void Snd_SetupChannelPsg(int chNo,
                            SNDDuty duty,
                            int volume, SNDChannelDataShift shift, int timer, int pan);

    void Snd_SetupChannelNoise(int chNo, int volume, SNDChannelDataShift shift, int timer, int pan);
    void Snd_StopChannel(int chNo, s32 flags);
    void Snd_SetChannelVolume(int chNo, int volume, SNDChannelDataShift shift);
    void Snd_SetChannelTimer(int chNo, int timer);
    void Snd_SetChannelPan(int chNo, int pan);
    BOOL Snd_IsChannelActive(int chNo);
    void Snd_SetMasterPan(int pan);
    u32 Snd_GetChannelControl(int chNo);
#endif

#ifdef SDK_ARM7
    void Sndi_SetSurroundDecay(int decay);
#endif

#ifdef __cplusplus
}
#endif

#endif