SIBios.h

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#ifndef SIBIOS_H
#define SIBIOS_H
 
#include "dolphin/os/OSInterrupt.h"
#include "dolphin/os/OSTime.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define SI_MAX_CHAN 4
#define SI_MAX_COMCSR_INLNGTH 128
#define SI_MAX_COMCSR_OUTLNGTH 128
#define SI_ERROR_UNDER_RUN 0x0001
#define SI_ERROR_OVER_RUN 0x0002
#define SI_ERROR_COLLISION 0x0004
#define SI_ERROR_NO_RESPONSE 0x0008
#define SI_ERROR_WRST 0x0010
#define SI_ERROR_RDST 0x0020
#define SI_ERROR_UNKNOWN 0x0040
#define SI_ERROR_BUSY 0x0080
#define SI_CHAN0 0
#define SI_CHAN1 1
#define SI_CHAN2 2
#define SI_CHAN3 3
#define SI_CHAN0_BIT 0x80000000
#define SI_CHAN1_BIT 0x40000000
#define SI_CHAN2_BIT 0x20000000
#define SI_CHAN3_BIT 0x10000000
#define SI_CHAN_BIT(chan) (SI_CHAN0_BIT >> (chan))
#define SI_TYPE_MASK 0x18000000u
#define SI_TYPE_N64 0x00000000u
#define SI_TYPE_DOLPHIN 0x08000000u
#define SI_TYPE_GC SI_TYPE_DOLPHIN
#define SI_GC_WIRELESS 0x80000000
#define SI_GC_NOMOTOR 0x20000000
#define SI_GC_STANDARD 0x01000000
#define SI_WIRELESS_RECEIVED 0x40000000
#define SI_WIRELESS_IR 0x04000000
#define SI_WIRELESS_STATE 0x02000000
#define SI_WIRELESS_ORIGIN 0x00200000
#define SI_WIRELESS_FIX_ID 0x00100000
#define SI_WIRELESS_TYPE 0x000f0000
#define SI_WIRELESS_LITE_MASK 0x000c0000
#define SI_WIRELESS_LITE 0x00040000
#define SI_WIRELESS_CONT_MASK 0x00080000
#define SI_WIRELESS_CONT 0x00000000
#define SI_WIRELESS_ID 0x00c0ff00
#define SI_WIRELESS_TYPE_ID (SI_WIRELESS_TYPE | SI_WIRELESS_ID)
#define SI_N64_CONTROLLER (SI_TYPE_N64 | 0x05000000)
#define SI_N64_MIC (SI_TYPE_N64 | 0x00010000)
#define SI_N64_KEYBOARD (SI_TYPE_N64 | 0x00020000)
#define SI_N64_MOUSE (SI_TYPE_N64 | 0x02000000)
#define SI_GBA (SI_TYPE_N64 | 0x00040000)
#define SI_GC_CONTROLLER (SI_TYPE_GC | SI_GC_STANDARD)
#define SI_GC_RECEIVER (SI_TYPE_GC | SI_GC_WIRELESS)
#define SI_GC_WAVEBIRD                                                                             \
    (SI_TYPE_GC | SI_GC_WIRELESS | SI_GC_STANDARD | SI_WIRELESS_STATE | SI_WIRELESS_FIX_ID)
#define SI_GC_KEYBOARD (SI_TYPE_GC | 0x00200000)
#define SI_GC_STEERING (SI_TYPE_GC | 0x00000000)
 
typedef void (*SICallback)(s32 chan, u32 sr, OSContext* context);
typedef void (*SITypeAndStatusCallback)(s32 chan, u32 type);
 
typedef struct SIPacket {
    s32 chan;
    void* output;
    u32 outputBytes;
    void* input;
    u32 inputBytes;
    SICallback callback;
    OSTime fire;
} SIPacket;
 
typedef struct SIControl {
    s32 chan;
    u32 poll;
    u32 inputBytes;
    void* input;
    SICallback callback;
} SIControl;
 
typedef struct SIComm_s {
    u32 tcint : 1;
    u32 tcintmsk : 1;
    u32 comerr : 1;
    u32 rdstint : 1;
    u32 rdstintmsk : 1;
    u32 pad0 : 4;
    u32 outlngth : 7;
    u32 pad1 : 1;
    u32 inlngth : 7;
    u32 pad2 : 5;
    u32 channel : 2;
    u32 tstart : 1;
} SIComm_s;
 
typedef union SIComm_u {
    u32 val;
    SIComm_s f;
} SIComm_u;
 
BOOL SIBusy(void);
BOOL SIIsChanBusy(s32 chan);
static void SIInterruptHandler(__OSInterrupt interrupt, OSContext* context);
static BOOL SIEnablePollingInterrupt(BOOL enable);
BOOL SIRegisterPollingHandler(__OSInterruptHandler handler);
BOOL SIUnregisterPollingHandler(__OSInterruptHandler handler);
void SIInit(void);
u32 SIGetStatus(s32 chan);
void SISetCommand(s32 chan, u32 command);
void SITransferCommands(void);
u32 SISetXY(u32 x, u32 y);
u32 SIEnablePolling(u32 poll);
u32 SIDisablePolling(u32 poll);
static BOOL SIGetResponseRaw(s32 chan);
BOOL SIGetResponse(s32 chan, void* data);
BOOL SITransfer(s32 chan, void* output, u32 outputBytes, void* input, u32 inputBytes,
                SICallback callback, OSTime delay);
u32 SIGetType(s32 chan);
u32 SIGetTypeAsync(s32 chan, SITypeAndStatusCallback callback);
 
vu32 __SIRegs[64] AT_ADDRESS(0xCC006400);
 
#ifdef __cplusplus
}
#endif
 
#endif /* SIBIOS_H */