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authorRafał Miłecki2011-07-20 19:52:15 +0200
committerJohn W. Linville2011-07-22 09:51:12 -0400
commit05aec233367262a43dbf0b615099757162e36f88 (patch)
treecbfd96e2909dac94177db4e9b57c91056c2ad3a8 /include
parenta9770a815d280d6aa2da406e159eff92b880670e (diff)
bcma: inform drivers about translation bits needed for the core
When using DMA, drivers need to pass special translation info to the hardware. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/bcma/bcma.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/bcma/bcma.h b/include/linux/bcma/bcma.h
index cc1582d24fbc..8c96654bef16 100644
--- a/include/linux/bcma/bcma.h
+++ b/include/linux/bcma/bcma.h
@@ -262,5 +262,10 @@ extern void bcma_core_set_clockmode(struct bcma_device *core,
enum bcma_clkmode clkmode);
extern void bcma_core_pll_ctl(struct bcma_device *core, u32 req, u32 status,
bool on);
+#define BCMA_DMA_TRANSLATION_MASK 0xC0000000
+#define BCMA_DMA_TRANSLATION_NONE 0x00000000
+#define BCMA_DMA_TRANSLATION_DMA32_CMT 0x40000000 /* Client Mode Translation for 32-bit DMA */
+#define BCMA_DMA_TRANSLATION_DMA64_CMT 0x80000000 /* Client Mode Translation for 64-bit DMA */
+extern u32 bcma_core_dma_translation(struct bcma_device *core);
#endif /* LINUX_BCMA_H_ */