1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/libavcodec/cell/h264_dma.c	Tue Sep 25 15:55:33 2012 +0200
     1.3 @@ -0,0 +1,74 @@
     1.4 +#include <spu_mfcio.h>
     1.5 +#include "h264_dma.h"
     1.6 +
     1.7 +DECLARE_ALIGNED_16(dma_list_elem_t, put_list_buf[2*(52+26+26)]);
     1.8 +dma_list_elem_t* put_list;
     1.9 +
    1.10 +DECLARE_ALIGNED_16(dma_list_elem_t, get_list_buf[16*(4+5 + 2*3)]);
    1.11 +dma_list_elem_t* get_list;
    1.12 +
    1.13 +inline void spu_dma_get(void *ls, unsigned ea, int size, int tag){
    1.14 +	mfc_get(ls, ea, size, tag, 0, 0);
    1.15 +}
    1.16 +
    1.17 +inline void spu_dma_put(void *ls, unsigned ea, int size, int tag){
    1.18 +	mfc_put(ls, ea, size, tag, 0, 0);
    1.19 +}
    1.20 +
    1.21 +inline void spu_dma_barrier_put(void *ls, unsigned ea, int size, int tag){
    1.22 +	mfc_putb(ls, ea, size, tag, 0, 0);
    1.23 +}
    1.24 +
    1.25 +// Function that wait to finish a DMA transfer with especific id
    1.26 +inline void wait_dma_id(int id){
    1.27 +	spu_writech(MFC_WrTagMask, 1<< id);
    1.28 +	(void)spu_mfcstat(MFC_TAG_UPDATE_ALL);
    1.29 +}
    1.30 +
    1.31 +// Functions to get/put a block from/to main memory
    1.32 +void get_dma_list(void *dst, void* ea, unsigned int w, unsigned int h, unsigned int stride, unsigned int tag, int barrier)
    1.33 +{
    1.34 +    unsigned int i = 0;
    1.35 +    unsigned int listsize;
    1.36 +    unsigned int ea_low;
    1.37 +
    1.38 +	dma_list_elem_t* list = get_list;
    1.39 +	get_list+=h;
    1.40 +
    1.41 +    ea_low=(uint32_t) mfc_ea2l(ea);
    1.42 +
    1.43 +    /* Create the list, size of each list id the "width" parameter defined by the user */
    1.44 +    for ( i=0; i<h; i++ ){
    1.45 +        list[i].size.all32 = w;
    1.46 +        list[i].ea_low = ea_low;
    1.47 +        ea_low += stride;
    1.48 +    }
    1.49 +    /* Specify the list size and initiate the list transfer */
    1.50 +    listsize = h*sizeof(dma_list_elem_t);
    1.51 +    if (barrier)
    1.52 +		mfc_getlb(dst, (unsigned)ea, list, listsize, tag, 0, 0);
    1.53 +	else
    1.54 +		mfc_getl(dst, (unsigned)ea, list, listsize, tag, 0, 0);
    1.55 +}
    1.56 +
    1.57 +
    1.58 +void put_dma_list(void *src, void* ea, unsigned int size, unsigned int h, unsigned int stride, unsigned int tag){
    1.59 +    unsigned int i = 0;
    1.60 +    unsigned int listsize;
    1.61 +    unsigned int ea_low;
    1.62 +
    1.63 +	dma_list_elem_t* list = put_list;
    1.64 +	put_list+=h;
    1.65 +
    1.66 +	ea_low=(uint32_t) mfc_ea2l(ea);
    1.67 +
    1.68 +    /* Create the list, size of each list id the "width" parameter defined by the user */
    1.69 +    for ( i=0; i<h; i++ ) {
    1.70 +        list[i].size.all32 = size;
    1.71 +        list[i].ea_low = ea_low;
    1.72 +        ea_low += stride;
    1.73 +    }
    1.74 +    /* Specify the list size and initiate the list transfer */
    1.75 +    listsize = h*sizeof(dma_list_elem_t);
    1.76 +	mfc_putl(src, (unsigned) ea, list, listsize, tag, 0, 0);
    1.77 +}