dma_tags.h File Reference

#include <tamtypes.h>

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Macros
#define	DMA_TAG_CNTS   0x00
#define	DMA_TAG_REFE   0x00
#define	DMA_TAG_CNT   0x01
#define	DMA_TAG_NEXT   0x02
#define	DMA_TAG_REF   0x03
#define	DMA_TAG_REFS   0x04
#define	DMA_TAG_CALL   0x05
#define	DMA_TAG_RET   0x06
#define	DMA_TAG_END   0x07
#define	DMATAG(QWC, PCE, ID, IRQ, ADDR, SPR)
#define	PACK_DMATAG(Q, D0, W2, W3)
#define	DMATAG_CNT(Q, QWC, SPR, W2, W3)
#define	DMATAG_CNTS(Q, QWC, SPR, W2, W3)
#define	DMATAG_NEXT(Q, QWC, ADDR, SPR, W2, W3)
#define	DMATAG_END(Q, QWC, SPR, W2, W3)
#define	DMATAG_CALL(Q, QWC, ADDR, SPR, W2, W3)
#define	DMATAG_RET(Q, QWC, SPR, W2, W3)
#define	DMATAG_REF(Q, QWC, ADDR, SPR, W2, W3)
#define	DMATAG_REFS(Q, QWC, ADDR, SPR, W2, W3)
#define	DMATAG_REFE(Q, QWC, ADDR, SPR, W2, W3)

Detailed Description

DMA tags

Definition in file dma_tags.h.

Macro Definition Documentation

DMA_TAG_CNTS

#define DMA_TAG_CNTS   0x00

T = location of qwords D = next dmatag to be read QWC = quadword count for dmatag T=QWC D=QWC+1 MADR => STADR

Definition at line 28 of file dma_tags.h.

DMA_TAG_REFE

#define DMA_TAG_REFE   0x00

T=ADDR then END

Definition at line 30 of file dma_tags.h.

DMA_TAG_CNT

#define DMA_TAG_CNT   0x01

T=QWC D=QWC+1

Definition at line 32 of file dma_tags.h.

DMA_TAG_NEXT

#define DMA_TAG_NEXT   0x02

T=QWC D=ADDR

Definition at line 34 of file dma_tags.h.

DMA_TAG_REF

#define DMA_TAG_REF   0x03

D=D+1 T=ADDR

Definition at line 36 of file dma_tags.h.

DMA_TAG_REFS

#define DMA_TAG_REFS   0x04

.. + stall ctrl

Definition at line 38 of file dma_tags.h.

DMA_TAG_CALL

#define DMA_TAG_CALL   0x05

T=QWC D=ADDR QWC+1 => ASR0

Definition at line 40 of file dma_tags.h.

DMA_TAG_RET

#define DMA_TAG_RET   0x06

T=QWC (ASR0 => D) if !ASR0 then END

Definition at line 42 of file dma_tags.h.

DMA_TAG_END

#define DMA_TAG_END   0x07

T=QWC then END

Definition at line 44 of file dma_tags.h.

DMATAG

#define DMATAG	(		QWC,
			PCE,
			ID,
			IRQ,
			ADDR,
			SPR )

Value:

    (u64)((QWC)  & 0x0000FFFF) <<  0 | (u64)((PCE) & 0x00000003) << 26 | \
    (u64)((ID)   & 0x00000007) << 28 | (u64)((IRQ) & 0x00000001) << 31 | \
    (u64)((ADDR) & 0x7FFFFFFF) << 32 | (u64)((SPR) & 0x00000001) << 63

Definition at line 46 of file dma_tags.h.

PACK_DMATAG

#define PACK_DMATAG	(		Q,
			D0,
			W2,
			W3 )

Value:

    Q->dw[0] = (u64)(D0), \
    Q->sw[2] = (u32)(W2), \
    Q->sw[3] = (u32)(W3)

Definition at line 51 of file dma_tags.h.

DMATAG_CNT

#define DMATAG_CNT	(		Q,
			QWC,
			SPR,
			W2,
			W3 )

Value:

    Q->dw[0] = DMATAG(QWC,0,DMA_TAG_CNT,0,0,SPR), \
    Q->sw[2] = (u32)(W2), \
    Q->sw[3] = (u32)(W3)

Insert before qword block, and add dmatag after qword block to continue

Definition at line 57 of file dma_tags.h.

Referenced by draw_texture_transfer().

DMATAG_CNTS

#define DMATAG_CNTS	(		Q,
			QWC,
			SPR,
			W2,
			W3 )

Value:

    Q->dw[0] = DMATAG(QWC,0,DMA_TAG_CNTS,0,0,SPR), \
    Q->sw[2] = (u32)(W2), \
    Q->sw[3] = (u32)(W3)

Insert before qword block, and add dmatag after qword block to continue

Definition at line 63 of file dma_tags.h.

DMATAG_NEXT

#define DMATAG_NEXT	(		Q,
			QWC,
			ADDR,
			SPR,
			W2,
			W3 )

Value:

    , \
    Q->dw[0] = DMATAG(QWC,0,DMA_TAG_NEXT,0,ADDR,SPR), \
    Q->sw[2] = (u32)(W2), \
    Q->sw[3] = (u32)(W3)

Insert before qword block, and add dmatag at addr to continue

Definition at line 69 of file dma_tags.h.

DMATAG_END

#define DMATAG_END	(		Q,
			QWC,
			SPR,
			W2,
			W3 )

Value:

    Q->dw[0] = DMATAG(QWC,0,DMA_TAG_END,0,0,SPR), \
    Q->sw[2] = (u32)(W2), \
    Q->sw[3] = (u32)(W3)

Insert before final qword block, or by itself to end transfer

Definition at line 75 of file dma_tags.h.

Referenced by draw_texture_flush().

DMATAG_CALL

#define DMATAG_CALL	(		Q,
			QWC,
			ADDR,
			SPR,
			W2,
			W3 )

Value:

    Q->dw[0] = DMATAG(QWC,0,DMA_TAG_CALL,0,ADDR,SPR), \
    Q->sw[2] = (u32)(W2), \
    Q->sw[3] = (u32)(W3)

Insert before qword block, and add dmatag at qword after qwc to be saved (up to 2)

Definition at line 81 of file dma_tags.h.

DMATAG_RET

#define DMATAG_RET	(		Q,
			QWC,
			SPR,
			W2,
			W3 )

Value:

    Q->dw[0] = DMATAG(QWC,0,DMA_TAG_RET,0,0,SPR), \
    Q->sw[2] = (u32)(W2), \
    Q->sw[3] = (u32)(W3)

Insert before qword block, and continues with saved dmatag

Definition at line 87 of file dma_tags.h.

DMATAG_REF

#define DMATAG_REF	(		Q,
			QWC,
			ADDR,
			SPR,
			W2,
			W3 )

Value:

    Q->dw[0] = DMATAG(QWC,0,DMA_TAG_REF,0,ADDR,SPR), \
    Q->sw[2] = (u32)(W2), \
    Q->sw[3] = (u32)(W3)

Insert anywhere, qwc at addr is sent, reads next qword to continue

Definition at line 93 of file dma_tags.h.

Referenced by draw_texture_transfer().

DMATAG_REFS

#define DMATAG_REFS	(		Q,
			QWC,
			ADDR,
			SPR,
			W2,
			W3 )

Value:

    Q->dw[0] = DMATAG(QWC,0,DMA_TAG_REFS,0,ADDR,SPR), \
    Q->sw[2] = (u32)(W2), \
    Q->sw[3] = (u32)(W3)

Insert anywhere, qwc at addr is sent, reads next qword to continue

Definition at line 99 of file dma_tags.h.

DMATAG_REFE

#define DMATAG_REFE	(		Q,
			QWC,
			ADDR,
			SPR,
			W2,
			W3 )

Value:

    Q->dw[0] = DMATAG(QWC,0,DMA_TAG_REFE,0,ADDR,SPR), \
    Q->sw[2] = (u32)(W2), \
    Q->sw[3] = (u32)(W3)

Insert anywhere, qwc at addr is sent, then ends transfer

Definition at line 105 of file dma_tags.h.