dma/sf-pdma/sf-pdma.h

1 /* SPDX-License-Identifier: GPL-2.0-or-later */
7  * - drivers/dma/fsl-edma.c
8  * - drivers/dma/dw-edma/
9  * - drivers/dma/pxa-dma.c
12  * - Chapter 12 "Platform DMA Engine (PDMA)" of
13  *   SiFive FU540-C000 v1.0
14  *   https://static.dev.sifive.com/FU540-C000-v1.0.pdf
20 #include <linux/dma-direction.h>
23 #include "../virt-dma.h"
36 #define PDMA_ACT_TYPE					0x104 /* Read-only */
37 #define PDMA_REMAINING_BYTE				0x108 /* Read-only */
38 #define PDMA_CUR_DST_ADDR				0x110 /* Read-only*/
39 #define PDMA_CUR_SRC_ADDR				0x118 /* Read-only*/
57 #define SF_PDMA_REG_BASE(ch)	(pdma->membase + (PDMA_CHAN_OFFSET * (ch)))
60 	/* read-write regs */
68 	/* read-only */
96 	struct sf_pdma			*pdma;  member