dsp.h

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#ifndef __DOLPHIN_DSP_H_
#define __DOLPHIN_DSP_H_
 
#include <platform.h>
 
#include <dolphin/os/OSContext.h>
#include <dolphin/os/OSInterrupt.h>
#include <dolphin/os/OSTime.h>
 
#define HW_REG(reg, type) *(volatile type*) (uintptr_t) (reg)
extern volatile u16 __DSPRegs[] AT_ADDRESS(0xCC005000);
 
typedef void (*DSPCallback)(void* task);
 
typedef struct _DSPTaskInfo {
    /*0x00*/ volatile u32 state;
    /*0x04*/ volatile u32 priority;
    /*0x08*/ volatile u32 flags;
    /*0x0C*/ u16* iram_mmem_addr;
    /*0x10*/ u32 iram_length;
    /*0x14*/ u32 iram_addr;
    /*0x18*/ u16* dram_mmem_addr;
    /*0x1C*/ u32 dram_length;
    /*0x20*/ u32 dram_addr;
    /*0x24*/ u16 dsp_init_vector;
    /*0x26*/ u16 dsp_resume_vector;
    /*0x28*/ DSPCallback init_cb;
    /*0x2C*/ DSPCallback res_cb;
    /*0x30*/ DSPCallback done_cb;
    /*0x34*/ DSPCallback req_cb;
    /*0x38*/ struct _DSPTaskInfo* next;
    /*0x3C*/ struct _DSPTaskInfo* prev;
    OSTime t_context;
    OSTime t_task;
} DSPTaskInfo;
 
u32 DSPCheckMailToDSP(void);
u32 DSPCheckMailFromDSP(void);
u32 DSPReadMailFromDSP(void);
void DSPSendMailToDSP(u32 mail);
void DSPInit(void);
bool DSPCheckInit(void);
 
void __DSP_debug_printf(const char* fmt, ...);
 
void __DSPHandler(__OSInterrupt intr, OSContext* ctx);
void __DSP_boot_task(DSPTaskInfo* task);
void __DSP_insert_task(DSPTaskInfo* task);
void __DSP_remove_task(DSPTaskInfo* task);
DSPTaskInfo* DSPAddTask(DSPTaskInfo* task);
void __DSP_exec_task(DSPTaskInfo*, DSPTaskInfo*);
 
void DSPCancelTask(void);
void* DSPAssertTask(DSPTaskInfo* task);
 
#endif