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1 #include <spu_mfcio.h>
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2 #include "h264_dma.h"
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3
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4 DECLARE_ALIGNED_16(dma_list_elem_t, put_list_buf[2*(52+26+26)]);
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5 dma_list_elem_t* put_list;
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6
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7 DECLARE_ALIGNED_16(dma_list_elem_t, get_list_buf[16*(4+5 + 2*3)]);
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8 dma_list_elem_t* get_list;
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9
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10 inline void spu_dma_get(void *ls, unsigned ea, int size, int tag){
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11 mfc_get(ls, ea, size, tag, 0, 0);
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12 }
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13
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14 inline void spu_dma_put(void *ls, unsigned ea, int size, int tag){
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15 mfc_put(ls, ea, size, tag, 0, 0);
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16 }
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17
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18 inline void spu_dma_barrier_put(void *ls, unsigned ea, int size, int tag){
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19 mfc_putb(ls, ea, size, tag, 0, 0);
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20 }
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21
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22 // Function that wait to finish a DMA transfer with especific id
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23 inline void wait_dma_id(int id){
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24 spu_writech(MFC_WrTagMask, 1<< id);
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25 (void)spu_mfcstat(MFC_TAG_UPDATE_ALL);
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26 }
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27
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28 // Functions to get/put a block from/to main memory
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29 void get_dma_list(void *dst, void* ea, unsigned int w, unsigned int h, unsigned int stride, unsigned int tag, int barrier)
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30 {
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31 unsigned int i = 0;
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32 unsigned int listsize;
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33 unsigned int ea_low;
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34
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35 dma_list_elem_t* list = get_list;
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36 get_list+=h;
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37
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38 ea_low=(uint32_t) mfc_ea2l(ea);
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39
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40 /* Create the list, size of each list id the "width" parameter defined by the user */
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41 for ( i=0; i<h; i++ ){
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42 list[i].size.all32 = w;
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43 list[i].ea_low = ea_low;
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44 ea_low += stride;
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45 }
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46 /* Specify the list size and initiate the list transfer */
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47 listsize = h*sizeof(dma_list_elem_t);
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48 if (barrier)
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49 mfc_getlb(dst, (unsigned)ea, list, listsize, tag, 0, 0);
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50 else
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51 mfc_getl(dst, (unsigned)ea, list, listsize, tag, 0, 0);
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52 }
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53
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54
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55 void put_dma_list(void *src, void* ea, unsigned int size, unsigned int h, unsigned int stride, unsigned int tag){
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56 unsigned int i = 0;
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57 unsigned int listsize;
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58 unsigned int ea_low;
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59
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60 dma_list_elem_t* list = put_list;
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61 put_list+=h;
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62
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63 ea_low=(uint32_t) mfc_ea2l(ea);
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64
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65 /* Create the list, size of each list id the "width" parameter defined by the user */
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66 for ( i=0; i<h; i++ ) {
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67 list[i].size.all32 = size;
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68 list[i].ea_low = ea_low;
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69 ea_low += stride;
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70 }
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71 /* Specify the list size and initiate the list transfer */
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72 listsize = h*sizeof(dma_list_elem_t);
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73 mfc_putl(src, (unsigned) ea, list, listsize, tag, 0, 0);
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74 }
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