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authorLinus Torvalds <torvalds@linux-foundation.org>2008-01-28 16:52:50 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2008-01-28 16:52:50 -0500
commite189f3495c4e30fc84fc9241096edf3932e23439 (patch)
tree5916c89ace81537a02ae01869386ba6caafdab9c /include/asm-sh/dma-mapping.h
parentf4798748dee00c807a63f5518f08b3df161e0f6d (diff)
parent6582d7b7376aa587d74b08c74457dc28abc1a9fa (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (197 commits) sh: add spi header and r2d platform data V3 sh: update r7780rp interrupt code sh: remove consistent alloc stuff from the machine vector sh: use declared coherent memory for dreamcast pci ethernet adapter sh: declared coherent memory support V2 sh: Add support for SDK7780 board. sh: constify function pointer tables sh: Kill off -traditional for linker script. cdrom: Add support for Sega Dreamcast GD-ROM. sh: Kill off hs7751rvoip reference from arch/sh/Kconfig. sh: Drop r7780rp_defconfig, use r7780mp_defconfig as kbuild default. sh: Kill off dead HS771RVoIP board support. sh: r7785rp: Fix up DECLARE_INTC_DESC() arg mismatch. sh: r7785rp: Hook up the rest of the HL7785 FPGA IRQ vectors. sh: r2d - enable sm501 usb host function sh: remove voyagergx sh: r2d - add lcd planel timings to sm501 platform data sh: Add OHCI and UDC platform devices for SH7720. sh: intc - remove default interrupt priority tables sh: Correct pte size mismatch for X2 TLB. ...
Diffstat (limited to 'include/asm-sh/dma-mapping.h')
-rw-r--r--include/asm-sh/dma-mapping.h56
1 files changed, 20 insertions, 36 deletions
diff --git a/include/asm-sh/dma-mapping.h b/include/asm-sh/dma-mapping.h
index fcea067f7a9c..22cc419389fe 100644
--- a/include/asm-sh/dma-mapping.h
+++ b/include/asm-sh/dma-mapping.h
@@ -8,11 +8,6 @@
8 8
9extern struct bus_type pci_bus_type; 9extern struct bus_type pci_bus_type;
10 10
11/* arch/sh/mm/consistent.c */
12extern void *consistent_alloc(gfp_t gfp, size_t size, dma_addr_t *handle);
13extern void consistent_free(void *vaddr, size_t size);
14extern void consistent_sync(void *vaddr, size_t size, int direction);
15
16#define dma_supported(dev, mask) (1) 11#define dma_supported(dev, mask) (1)
17 12
18static inline int dma_set_mask(struct device *dev, u64 mask) 13static inline int dma_set_mask(struct device *dev, u64 mask)
@@ -25,44 +20,19 @@ static inline int dma_set_mask(struct device *dev, u64 mask)
25 return 0; 20 return 0;
26} 21}
27 22
28static inline void *dma_alloc_coherent(struct device *dev, size_t size, 23void *dma_alloc_coherent(struct device *dev, size_t size,
29 dma_addr_t *dma_handle, gfp_t flag) 24 dma_addr_t *dma_handle, gfp_t flag);
30{
31 if (sh_mv.mv_consistent_alloc) {
32 void *ret;
33 25
34 ret = sh_mv.mv_consistent_alloc(dev, size, dma_handle, flag); 26void dma_free_coherent(struct device *dev, size_t size,
35 if (ret != NULL) 27 void *vaddr, dma_addr_t dma_handle);
36 return ret;
37 }
38
39 return consistent_alloc(flag, size, dma_handle);
40}
41
42static inline void dma_free_coherent(struct device *dev, size_t size,
43 void *vaddr, dma_addr_t dma_handle)
44{
45 if (sh_mv.mv_consistent_free) {
46 int ret;
47
48 ret = sh_mv.mv_consistent_free(dev, size, vaddr, dma_handle);
49 if (ret == 0)
50 return;
51 }
52 28
53 consistent_free(vaddr, size); 29void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
54} 30 enum dma_data_direction dir);
55 31
56#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) 32#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
57#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) 33#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
58#define dma_is_consistent(d, h) (1) 34#define dma_is_consistent(d, h) (1)
59 35
60static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
61 enum dma_data_direction dir)
62{
63 consistent_sync(vaddr, size, (int)dir);
64}
65
66static inline dma_addr_t dma_map_single(struct device *dev, 36static inline dma_addr_t dma_map_single(struct device *dev,
67 void *ptr, size_t size, 37 void *ptr, size_t size,
68 enum dma_data_direction dir) 38 enum dma_data_direction dir)
@@ -205,4 +175,18 @@ static inline int dma_mapping_error(dma_addr_t dma_addr)
205{ 175{
206 return dma_addr == 0; 176 return dma_addr == 0;
207} 177}
178
179#define ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY
180
181extern int
182dma_declare_coherent_memory(struct device *dev, dma_addr_t bus_addr,
183 dma_addr_t device_addr, size_t size, int flags);
184
185extern void
186dma_release_declared_memory(struct device *dev);
187
188extern void *
189dma_mark_declared_memory_occupied(struct device *dev,
190 dma_addr_t device_addr, size_t size);
191
208#endif /* __ASM_SH_DMA_MAPPING_H */ 192#endif /* __ASM_SH_DMA_MAPPING_H */