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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /include/linux/platform_data/amd_xdma.h | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/linux/platform_data/amd_xdma.h')
-rw-r--r-- | include/linux/platform_data/amd_xdma.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/include/linux/platform_data/amd_xdma.h b/include/linux/platform_data/amd_xdma.h new file mode 100644 index 000000000..b5e23e14b --- /dev/null +++ b/include/linux/platform_data/amd_xdma.h @@ -0,0 +1,34 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (C) 2022, Advanced Micro Devices, Inc. + */ + +#ifndef _PLATDATA_AMD_XDMA_H +#define _PLATDATA_AMD_XDMA_H + +#include <linux/dmaengine.h> + +/** + * struct xdma_chan_info - DMA channel information + * This information is used to match channel when request dma channel + * @dir: Channel transfer direction + */ +struct xdma_chan_info { + enum dma_transfer_direction dir; +}; + +#define XDMA_FILTER_PARAM(chan_info) ((void *)(chan_info)) + +struct dma_slave_map; + +/** + * struct xdma_platdata - platform specific data for XDMA engine + * @max_dma_channels: Maximum dma channels in each direction + */ +struct xdma_platdata { + u32 max_dma_channels; + u32 device_map_cnt; + struct dma_slave_map *device_map; +}; + +#endif /* _PLATDATA_AMD_XDMA_H */ |