summaryrefslogtreecommitdiff
path: root/arch/mips/include/asm/dma-mapping.h
blob: b4c477eb46ce9dd1ed40b380a5fd4a5417b50813 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_DMA_MAPPING_H
#define _ASM_DMA_MAPPING_H

#include <linux/swiotlb.h>

extern const struct dma_map_ops jazz_dma_ops;

static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
{
#if defined(CONFIG_MACH_JAZZ)
	return &jazz_dma_ops;
#elif defined(CONFIG_SWIOTLB)
	return &swiotlb_dma_ops;
#else
	return &dma_direct_ops;
#endif
}

#define arch_setup_dma_ops arch_setup_dma_ops
static inline void arch_setup_dma_ops(struct device *dev, u64 dma_base,
				      u64 size, const struct iommu_ops *iommu,
				      bool coherent)
{
#ifdef CONFIG_DMA_PERDEV_COHERENT
	dev->dma_coherent = coherent;
#endif
}

#endif /* _ASM_DMA_MAPPING_H */