1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Copyright (c) 2018-2019 Synopsys, Inc. and/or its affiliates. 4 * Synopsys DesignWare eDMA v0 core 5 * 6 * Author: Gustavo Pimentel <gustavo.pimentel@synopsys.com> 7 */ 8 9 #ifndef _DW_EDMA_V0_CORE_H 10 #define _DW_EDMA_V0_CORE_H 11 12 #include <linux/dma/edma.h> 13 14 /* eDMA management callbacks */ 15 void dw_edma_v0_core_off(struct dw_edma *chan); 16 u16 dw_edma_v0_core_ch_count(struct dw_edma *chan, enum dw_edma_dir dir); 17 enum dma_status dw_edma_v0_core_ch_status(struct dw_edma_chan *chan); 18 void dw_edma_v0_core_clear_done_int(struct dw_edma_chan *chan); 19 void dw_edma_v0_core_clear_abort_int(struct dw_edma_chan *chan); 20 u32 dw_edma_v0_core_status_done_int(struct dw_edma *chan, enum dw_edma_dir dir); 21 u32 dw_edma_v0_core_status_abort_int(struct dw_edma *chan, enum dw_edma_dir dir); 22 void dw_edma_v0_core_start(struct dw_edma_chunk *chunk, bool first); 23 int dw_edma_v0_core_device_config(struct dw_edma_chan *chan); 24 /* eDMA debug fs callbacks */ 25 void dw_edma_v0_core_debugfs_on(struct dw_edma *dw); 26 27 #endif /* _DW_EDMA_V0_CORE_H */ 28