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

   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_chip *chip);
  26 void dw_edma_v0_core_debugfs_off(void);
  27
  28 #endif /* _DW_EDMA_V0_CORE_H */