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-rw-r--r--arch/m68k/include/asm/dma-mapping.h113
-rw-r--r--arch/m68k/include/asm/dma-mapping_mm.h112
-rw-r--r--arch/m68k/include/asm/dma-mapping_no.h6
3 files changed, 110 insertions, 121 deletions
diff --git a/arch/m68k/include/asm/dma-mapping.h b/arch/m68k/include/asm/dma-mapping.h
index f4a4c7638f89..26f505488c11 100644
--- a/arch/m68k/include/asm/dma-mapping.h
+++ b/arch/m68k/include/asm/dma-mapping.h
@@ -1,5 +1,112 @@
1#ifdef __uClinux__ 1#ifndef _M68K_DMA_MAPPING_H
2#include "dma-mapping_no.h" 2#define _M68K_DMA_MAPPING_H
3
4#include <asm/cache.h>
5
6struct scatterlist;
7
8#ifndef CONFIG_MMU_SUN3
9static inline int dma_supported(struct device *dev, u64 mask)
10{
11 return 1;
12}
13
14static inline int dma_set_mask(struct device *dev, u64 mask)
15{
16 return 0;
17}
18
19static inline int dma_get_cache_alignment(void)
20{
21 return 1 << L1_CACHE_SHIFT;
22}
23
24static inline int dma_is_consistent(struct device *dev, dma_addr_t dma_addr)
25{
26 return 0;
27}
28
29extern void *dma_alloc_coherent(struct device *, size_t,
30 dma_addr_t *, gfp_t);
31extern void dma_free_coherent(struct device *, size_t,
32 void *, dma_addr_t);
33
34static inline void *dma_alloc_noncoherent(struct device *dev, size_t size,
35 dma_addr_t *handle, gfp_t flag)
36{
37 return dma_alloc_coherent(dev, size, handle, flag);
38}
39static inline void dma_free_noncoherent(struct device *dev, size_t size,
40 void *addr, dma_addr_t handle)
41{
42 dma_free_coherent(dev, size, addr, handle);
43}
44static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
45 enum dma_data_direction dir)
46{
47 /* we use coherent allocation, so not much to do here. */
48}
49
50extern dma_addr_t dma_map_single(struct device *, void *, size_t,
51 enum dma_data_direction);
52static inline void dma_unmap_single(struct device *dev, dma_addr_t addr,
53 size_t size, enum dma_data_direction dir)
54{
55}
56
57extern dma_addr_t dma_map_page(struct device *, struct page *,
58 unsigned long, size_t size,
59 enum dma_data_direction);
60static inline void dma_unmap_page(struct device *dev, dma_addr_t address,
61 size_t size, enum dma_data_direction dir)
62{
63}
64
65extern int dma_map_sg(struct device *, struct scatterlist *, int,
66 enum dma_data_direction);
67static inline void dma_unmap_sg(struct device *dev, struct scatterlist *sg,
68 int nhwentries, enum dma_data_direction dir)
69{
70}
71
72extern void dma_sync_single_for_device(struct device *, dma_addr_t, size_t,
73 enum dma_data_direction);
74extern void dma_sync_sg_for_device(struct device *, struct scatterlist *, int,
75 enum dma_data_direction);
76
77static inline void dma_sync_single_range_for_device(struct device *dev,
78 dma_addr_t dma_handle, unsigned long offset, size_t size,
79 enum dma_data_direction direction)
80{
81 /* just sync everything for now */
82 dma_sync_single_for_device(dev, dma_handle, offset + size, direction);
83}
84
85static inline void dma_sync_single_for_cpu(struct device *dev, dma_addr_t handle,
86 size_t size, enum dma_data_direction dir)
87{
88}
89
90static inline void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg,
91 int nents, enum dma_data_direction dir)
92{
93}
94
95static inline void dma_sync_single_range_for_cpu(struct device *dev,
96 dma_addr_t dma_handle, unsigned long offset, size_t size,
97 enum dma_data_direction direction)
98{
99 /* just sync everything for now */
100 dma_sync_single_for_cpu(dev, dma_handle, offset + size, direction);
101}
102
103static inline int dma_mapping_error(struct device *dev, dma_addr_t handle)
104{
105 return 0;
106}
107
3#else 108#else
4#include "dma-mapping_mm.h" 109#include <asm-generic/dma-mapping-broken.h>
5#endif 110#endif
111
112#endif /* _M68K_DMA_MAPPING_H */
diff --git a/arch/m68k/include/asm/dma-mapping_mm.h b/arch/m68k/include/asm/dma-mapping_mm.h
deleted file mode 100644
index 26f505488c11..000000000000
--- a/arch/m68k/include/asm/dma-mapping_mm.h
+++ /dev/null
@@ -1,112 +0,0 @@
1#ifndef _M68K_DMA_MAPPING_H
2#define _M68K_DMA_MAPPING_H
3
4#include <asm/cache.h>
5
6struct scatterlist;
7
8#ifndef CONFIG_MMU_SUN3
9static inline int dma_supported(struct device *dev, u64 mask)
10{
11 return 1;
12}
13
14static inline int dma_set_mask(struct device *dev, u64 mask)
15{
16 return 0;
17}
18
19static inline int dma_get_cache_alignment(void)
20{
21 return 1 << L1_CACHE_SHIFT;
22}
23
24static inline int dma_is_consistent(struct device *dev, dma_addr_t dma_addr)
25{
26 return 0;
27}
28
29extern void *dma_alloc_coherent(struct device *, size_t,
30 dma_addr_t *, gfp_t);
31extern void dma_free_coherent(struct device *, size_t,
32 void *, dma_addr_t);
33
34static inline void *dma_alloc_noncoherent(struct device *dev, size_t size,
35 dma_addr_t *handle, gfp_t flag)
36{
37 return dma_alloc_coherent(dev, size, handle, flag);
38}
39static inline void dma_free_noncoherent(struct device *dev, size_t size,
40 void *addr, dma_addr_t handle)
41{
42 dma_free_coherent(dev, size, addr, handle);
43}
44static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
45 enum dma_data_direction dir)
46{
47 /* we use coherent allocation, so not much to do here. */
48}
49
50extern dma_addr_t dma_map_single(struct device *, void *, size_t,
51 enum dma_data_direction);
52static inline void dma_unmap_single(struct device *dev, dma_addr_t addr,
53 size_t size, enum dma_data_direction dir)
54{
55}
56
57extern dma_addr_t dma_map_page(struct device *, struct page *,
58 unsigned long, size_t size,
59 enum dma_data_direction);
60static inline void dma_unmap_page(struct device *dev, dma_addr_t address,
61 size_t size, enum dma_data_direction dir)
62{
63}
64
65extern int dma_map_sg(struct device *, struct scatterlist *, int,
66 enum dma_data_direction);
67static inline void dma_unmap_sg(struct device *dev, struct scatterlist *sg,
68 int nhwentries, enum dma_data_direction dir)
69{
70}
71
72extern void dma_sync_single_for_device(struct device *, dma_addr_t, size_t,
73 enum dma_data_direction);
74extern void dma_sync_sg_for_device(struct device *, struct scatterlist *, int,
75 enum dma_data_direction);
76
77static inline void dma_sync_single_range_for_device(struct device *dev,
78 dma_addr_t dma_handle, unsigned long offset, size_t size,
79 enum dma_data_direction direction)
80{
81 /* just sync everything for now */
82 dma_sync_single_for_device(dev, dma_handle, offset + size, direction);
83}
84
85static inline void dma_sync_single_for_cpu(struct device *dev, dma_addr_t handle,
86 size_t size, enum dma_data_direction dir)
87{
88}
89
90static inline void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg,
91 int nents, enum dma_data_direction dir)
92{
93}
94
95static inline void dma_sync_single_range_for_cpu(struct device *dev,
96 dma_addr_t dma_handle, unsigned long offset, size_t size,
97 enum dma_data_direction direction)
98{
99 /* just sync everything for now */
100 dma_sync_single_for_cpu(dev, dma_handle, offset + size, direction);
101}
102
103static inline int dma_mapping_error(struct device *dev, dma_addr_t handle)
104{
105 return 0;
106}
107
108#else
109#include <asm-generic/dma-mapping-broken.h>
110#endif
111
112#endif /* _M68K_DMA_MAPPING_H */
diff --git a/arch/m68k/include/asm/dma-mapping_no.h b/arch/m68k/include/asm/dma-mapping_no.h
deleted file mode 100644
index 1748f2bca940..000000000000
--- a/arch/m68k/include/asm/dma-mapping_no.h
+++ /dev/null
@@ -1,6 +0,0 @@
1#ifndef _M68KNOMMU_DMA_MAPPING_H
2#define _M68KNOMMU_DMA_MAPPING_H
3
4#include <asm-generic/dma-mapping-broken.h>
5
6#endif /* _M68KNOMMU_DMA_MAPPING_H */
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-26 13:13:15 -0500