dma/dw-edma/dw-edma-v0-core.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 /*
0003  * Copyright (c) 2018-2019 Synopsys, Inc. and/or its affiliates.
0004  * Synopsys DesignWare eDMA v0 core
0005  *
0006  * Author: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
0007  */
0008
0009 #ifndef _DW_EDMA_V0_CORE_H
0010 #define _DW_EDMA_V0_CORE_H
0011
0012 #include <linux/dma/edma.h>
0013
0014 /* eDMA management callbacks */
0015 void dw_edma_v0_core_off(struct dw_edma *chan);
0016 u16 dw_edma_v0_core_ch_count(struct dw_edma *chan, enum dw_edma_dir dir);
0017 enum dma_status dw_edma_v0_core_ch_status(struct dw_edma_chan *chan);
0018 void dw_edma_v0_core_clear_done_int(struct dw_edma_chan *chan);
0019 void dw_edma_v0_core_clear_abort_int(struct dw_edma_chan *chan);
0020 u32 dw_edma_v0_core_status_done_int(struct dw_edma *chan, enum dw_edma_dir dir);
0021 u32 dw_edma_v0_core_status_abort_int(struct dw_edma *chan, enum dw_edma_dir dir);
0022 void dw_edma_v0_core_start(struct dw_edma_chunk *chunk, bool first);
0023 int dw_edma_v0_core_device_config(struct dw_edma_chan *chan);
0024 /* eDMA debug fs callbacks */
0025 void dw_edma_v0_core_debugfs_on(struct dw_edma *dw);
0026 void dw_edma_v0_core_debugfs_off(struct dw_edma *dw);
0027
0028 #endif /* _DW_EDMA_V0_CORE_H */