summaryrefslogtreecommitdiff
path: root/ANDROID_3.4.5/include/asm-generic/dma.h
diff options
context:
space:
mode:
authorKevin2014-11-15 09:58:27 +0800
committerKevin2014-11-15 09:58:27 +0800
commit392e8802486cb573b916e746010e141a75f507e6 (patch)
tree50029aca02c81f087b90336e670b44e510782330 /ANDROID_3.4.5/include/asm-generic/dma.h
downloadFOSSEE-netbook-kernel-source-392e8802486cb573b916e746010e141a75f507e6.tar.gz
FOSSEE-netbook-kernel-source-392e8802486cb573b916e746010e141a75f507e6.tar.bz2
FOSSEE-netbook-kernel-source-392e8802486cb573b916e746010e141a75f507e6.zip
init android origin source code
Diffstat (limited to 'ANDROID_3.4.5/include/asm-generic/dma.h')
-rw-r--r--ANDROID_3.4.5/include/asm-generic/dma.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/ANDROID_3.4.5/include/asm-generic/dma.h b/ANDROID_3.4.5/include/asm-generic/dma.h
new file mode 100644
index 00000000..9dfc3a7f
--- /dev/null
+++ b/ANDROID_3.4.5/include/asm-generic/dma.h
@@ -0,0 +1,15 @@
+#ifndef __ASM_GENERIC_DMA_H
+#define __ASM_GENERIC_DMA_H
+/*
+ * This file traditionally describes the i8237 PC style DMA controller.
+ * Most architectures don't have these any more and can get the minimal
+ * implementation from kernel/dma.c by not defining MAX_DMA_CHANNELS.
+ *
+ * Some code relies on seeing MAX_DMA_ADDRESS though.
+ */
+#define MAX_DMA_ADDRESS PAGE_OFFSET
+
+extern int request_dma(unsigned int dmanr, const char *device_id);
+extern void free_dma(unsigned int dmanr);
+
+#endif /* __ASM_GENERIC_DMA_H */