#ifndef SCE_LIBDMA_H
#define SCE_LIBDMA_H

#include "typedefs.h"

typedef struct {
    u_char  sts;
    u_char  std;
    u_char  mfd;
    u_char  rcycle;
    u_short express;
    u_short notify;
    u_short sqwc;
    u_short tqwc;
    void    *rbadr;
    u_int   rbmsk;
} sceDmaEnv;

typedef struct {
    unsigned DIR: 1;
    unsigned p0 : 1;
    unsigned MOD: 2;
    unsigned ASP: 2;
    unsigned TTE: 1;
    unsigned TIE: 1;
    unsigned STR: 1;
    unsigned p1 : 7;
    unsigned TAG:16;
} tD_CHCR;

typedef struct _sceDmaTag {
    u_short             qwc;
    u_char              mark;
    u_char              id;
    struct _sceDmaTag   *next;
    u_int               p[2];
} sceDmaTag __attribute__ ((aligned(16)));

typedef struct {
             tD_CHCR     chcr;   u_int   p0[3];
    volatile void        *madr;  u_int   p1[3];
    volatile u_int       qwc;    u_int   p2[3];
    volatile sceDmaTag   *tadr;  u_int   p3[3];
    volatile void        *as0;   u_int   p4[3];
    volatile void        *as1;   u_int   p5[3];
             u_int       p6[4];
             u_int       p7[4];
    volatile void        *sadr;  u_int   p8[3];
} sceDmaChan;

#define settag(t,i,a,q) (t)->id=(i),(t)->next=(sceDmaTag *)(a),(t)->qwc=(u_short)(q)

inline static void *sceDmaAddRef(sceDmaTag **tag, int qwc, void *addr)
{
    settag(*tag,0x30,addr,qwc);
    (*tag)++;
    return(addr);
}

inline static void *sceDmaAddEnd(sceDmaTag **tag, int qwc, void *addr)
{
    void *ret;
    settag(*tag,0x70,addr,qwc);
    ret = *tag+1;
    (*tag) += qwc+1;
    return(ret);
}

int sceDmaReset(int mode);
sceDmaEnv *sceDmaGetEnv(sceDmaEnv *env);
int sceDmaPutEnv(sceDmaEnv *env);
sceDmaChan *sceDmaGetChan(int id);
void sceDmaSend(sceDmaChan *d, void *tag);
int sceDmaSync(sceDmaChan *d, int mode, int timeout);


#endif // SCE_LIBDMA_H