| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
|---|---|
| 2 | /* |
| 3 | * Copyright (c) 2010 Intel Corporation |
| 4 | */ |
| 5 | |
| 6 | #ifndef PCH_DMA_H |
| 7 | #define PCH_DMA_H |
| 8 | |
| 9 | #include <linux/dmaengine.h> |
| 10 | |
| 11 | enum pch_dma_width { |
| 12 | PCH_DMA_WIDTH_1_BYTE, |
| 13 | PCH_DMA_WIDTH_2_BYTES, |
| 14 | PCH_DMA_WIDTH_4_BYTES, |
| 15 | }; |
| 16 | |
| 17 | struct pch_dma_slave { |
| 18 | struct device *dma_dev; |
| 19 | unsigned int chan_id; |
| 20 | dma_addr_t tx_reg; |
| 21 | dma_addr_t rx_reg; |
| 22 | enum pch_dma_width width; |
| 23 | }; |
| 24 | |
| 25 | #endif |
| 26 |