1 #include <spu_mfcio.h>

2 #include "h264_dma.h"

3

4 DECLARE_ALIGNED_16(dma_list_elem_t, put_list_buf[2*(52+26+26)]);

5 dma_list_elem_t* put_list;

6

7 DECLARE_ALIGNED_16(dma_list_elem_t, get_list_buf[16*(4+5 + 2*3)]);

8 dma_list_elem_t* get_list;

9

10 inline void spu_dma_get(void *ls, unsigned ea, int size, int tag){

11 mfc_get(ls, ea, size, tag, 0, 0);

12 }

13

14 inline void spu_dma_put(void *ls, unsigned ea, int size, int tag){

15 mfc_put(ls, ea, size, tag, 0, 0);

16 }

17

18 inline void spu_dma_barrier_put(void *ls, unsigned ea, int size, int tag){

19 mfc_putb(ls, ea, size, tag, 0, 0);

20 }

21

22 // Function that wait to finish a DMA transfer with especific id

23 inline void wait_dma_id(int id){

24 spu_writech(MFC_WrTagMask, 1<< id);

25 (void)spu_mfcstat(MFC_TAG_UPDATE_ALL);

26 }

27

28 // Functions to get/put a block from/to main memory

29 void get_dma_list(void *dst, void* ea, unsigned int w, unsigned int h, unsigned int stride, unsigned int tag, int barrier)

30 {

31 unsigned int i = 0;

32 unsigned int listsize;

33 unsigned int ea_low;

34

35 dma_list_elem_t* list = get_list;

36 get_list+=h;

37

38 ea_low=(uint32_t) mfc_ea2l(ea);

39

40 /* Create the list, size of each list id the "width" parameter defined by the user */

41 for ( i=0; i<h; i++ ){

42 list[i].size.all32 = w;

43 list[i].ea_low = ea_low;

44 ea_low += stride;

45 }

46 /* Specify the list size and initiate the list transfer */

47 listsize = h*sizeof(dma_list_elem_t);

48 if (barrier)

49 mfc_getlb(dst, (unsigned)ea, list, listsize, tag, 0, 0);

50 else

51 mfc_getl(dst, (unsigned)ea, list, listsize, tag, 0, 0);

52 }

53

54

55 void put_dma_list(void *src, void* ea, unsigned int size, unsigned int h, unsigned int stride, unsigned int tag){

56 unsigned int i = 0;

57 unsigned int listsize;

58 unsigned int ea_low;

59

60 dma_list_elem_t* list = put_list;

61 put_list+=h;

62

63 ea_low=(uint32_t) mfc_ea2l(ea);

64

65 /* Create the list, size of each list id the "width" parameter defined by the user */

66 for ( i=0; i<h; i++ ) {

67 list[i].size.all32 = size;

68 list[i].ea_low = ea_low;

69 ea_low += stride;

70 }

71 /* Specify the list size and initiate the list transfer */

72 listsize = h*sizeof(dma_list_elem_t);

73 mfc_putl(src, (unsigned) ea, list, listsize, tag, 0, 0);

74 }