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authorLinus Torvalds <torvalds@linux-foundation.org>2008-01-29 08:52:50 +1100
committerLinus Torvalds <torvalds@linux-foundation.org>2008-01-29 08:52:50 +1100
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 fcea067f7a9..22cc419389f 100644
--- a/include/asm-sh/dma-mapping.h
+++ b/include/asm-sh/dma-mapping.h
@@ -8,11 +8,6 @@
extern struct bus_type pci_bus_type;
-/* arch/sh/mm/consistent.c */
-extern void *consistent_alloc(gfp_t gfp, size_t size, dma_addr_t *handle);
-extern void consistent_free(void *vaddr, size_t size);
-extern void consistent_sync(void *vaddr, size_t size, int direction);
-
#define dma_supported(dev, mask) (1)
static 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)
return 0;
}
-static inline void *dma_alloc_coherent(struct device *dev, size_t size,
- dma_addr_t *dma_handle, gfp_t flag)
-{
- if (sh_mv.mv_consistent_alloc) {
- void *ret;
+void *dma_alloc_coherent(struct device *dev, size_t size,
+ dma_addr_t *dma_handle, gfp_t flag);
- ret = sh_mv.mv_consistent_alloc(dev, size, dma_handle, flag);
- if (ret != NULL)
- return ret;
- }
-
- return consistent_alloc(flag, size, dma_handle);
-}
-
-static inline void dma_free_coherent(struct device *dev, size_t size,
- void *vaddr, dma_addr_t dma_handle)
-{
- if (sh_mv.mv_consistent_free) {
- int ret;
-
- ret = sh_mv.mv_consistent_free(dev, size, vaddr, dma_handle);
- if (ret == 0)
- return;
- }
+void dma_free_coherent(struct device *dev, size_t size,
+ void *vaddr, dma_addr_t dma_handle);
- consistent_free(vaddr, size);
-}
+void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
+ enum dma_data_direction dir);
#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
#define dma_is_consistent(d, h) (1)
-static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
- enum dma_data_direction dir)
-{
- consistent_sync(vaddr, size, (int)dir);
-}
-
static inline dma_addr_t dma_map_single(struct device *dev,
void *ptr, size_t size,
enum dma_data_direction dir)
@@ -205,4 +175,18 @@ static inline int dma_mapping_error(dma_addr_t dma_addr)
{
return dma_addr == 0;
}
+
+#define ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY
+
+extern int
+dma_declare_coherent_memory(struct device *dev, dma_addr_t bus_addr,
+ dma_addr_t device_addr, size_t size, int flags);
+
+extern void
+dma_release_declared_memory(struct device *dev);
+
+extern void *
+dma_mark_declared_memory_occupied(struct device *dev,
+ dma_addr_t device_addr, size_t size);
+
#endif /* __ASM_SH_DMA_MAPPING_H */