diff options
Diffstat (limited to 'include/linux/platform_data/dma-mcf-edma.h')
| -rw-r--r-- | include/linux/platform_data/dma-mcf-edma.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/include/linux/platform_data/dma-mcf-edma.h b/include/linux/platform_data/dma-mcf-edma.h new file mode 100644 index 000000000000..d718ccfa3421 --- /dev/null +++ b/include/linux/platform_data/dma-mcf-edma.h @@ -0,0 +1,38 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Freescale eDMA platform data, ColdFire SoC's family. + * + * Copyright (c) 2017 Angelo Dureghello <angelo@sysam.it> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef __LINUX_PLATFORM_DATA_MCF_EDMA_H__ +#define __LINUX_PLATFORM_DATA_MCF_EDMA_H__ + +struct dma_slave_map; + +bool mcf_edma_filter_fn(struct dma_chan *chan, void *param); + +#define MCF_EDMA_FILTER_PARAM(ch) ((void *)ch) + +/** + * struct mcf_edma_platform_data - platform specific data for eDMA engine + * + * @ver The eDMA module version. + * @dma_channels The number of eDMA channels. + */ +struct mcf_edma_platform_data { + int dma_channels; + const struct dma_slave_map *slave_map; + int slavecnt; +}; + +#endif /* __LINUX_PLATFORM_DATA_MCF_EDMA_H__ */ |