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Diffstat (limited to 'include/sound/memalloc.h')
-rw-r--r--include/sound/memalloc.h61
1 files changed, 6 insertions, 55 deletions
diff --git a/include/sound/memalloc.h b/include/sound/memalloc.h
index 3ab084438fdc..6dc85a7f44ad 100644
--- a/include/sound/memalloc.h
+++ b/include/sound/memalloc.h
@@ -9,9 +9,8 @@
#ifndef __SOUND_MEMALLOC_H
#define __SOUND_MEMALLOC_H
-#include <asm/page.h>
-
struct device;
+struct page;
/*
* buffer device info
@@ -64,59 +63,6 @@ static inline unsigned int snd_sgbuf_aligned_pages(size_t size)
return (size + PAGE_SIZE - 1) >> PAGE_SHIFT;
}
-#ifdef CONFIG_SND_DMA_SGBUF
-/*
- * Scatter-Gather generic device pages
- */
-void *snd_malloc_sgbuf_pages(struct device *device,
- size_t size, struct snd_dma_buffer *dmab,
- size_t *res_size);
-int snd_free_sgbuf_pages(struct snd_dma_buffer *dmab);
-
-struct snd_sg_page {
- void *buf;
- dma_addr_t addr;
-};
-
-struct snd_sg_buf {
- int size; /* allocated byte size */
- int pages; /* allocated pages */
- int tblsize; /* allocated table size */
- struct snd_sg_page *table; /* address table */
- struct page **page_table; /* page table (for vmap/vunmap) */
- struct device *dev;
-};
-
-/*
- * return the physical address at the corresponding offset
- */
-static inline dma_addr_t snd_sgbuf_get_addr(struct snd_dma_buffer *dmab,
- size_t offset)
-{
- struct snd_sg_buf *sgbuf = dmab->private_data;
- dma_addr_t addr;
-
- if (!sgbuf)
- return dmab->addr + offset;
- addr = sgbuf->table[offset >> PAGE_SHIFT].addr;
- addr &= ~((dma_addr_t)PAGE_SIZE - 1);
- return addr + offset % PAGE_SIZE;
-}
-
-unsigned int snd_sgbuf_get_chunk_size(struct snd_dma_buffer *dmab,
- unsigned int ofs, unsigned int size);
-#else
-/* non-SG versions */
-static inline dma_addr_t snd_sgbuf_get_addr(struct snd_dma_buffer *dmab,
- size_t offset)
-{
- return dmab->addr + offset;
-}
-
-#define snd_sgbuf_get_chunk_size(dmab, ofs, size) (size)
-
-#endif /* CONFIG_SND_DMA_SGBUF */
-
/* allocate/release a buffer */
int snd_dma_alloc_pages(int type, struct device *dev, size_t size,
struct snd_dma_buffer *dmab);
@@ -124,5 +70,10 @@ int snd_dma_alloc_pages_fallback(int type, struct device *dev, size_t size,
struct snd_dma_buffer *dmab);
void snd_dma_free_pages(struct snd_dma_buffer *dmab);
+dma_addr_t snd_sgbuf_get_addr(struct snd_dma_buffer *dmab, size_t offset);
+struct page *snd_sgbuf_get_page(struct snd_dma_buffer *dmab, size_t offset);
+unsigned int snd_sgbuf_get_chunk_size(struct snd_dma_buffer *dmab,
+ unsigned int ofs, unsigned int size);
+
#endif /* __SOUND_MEMALLOC_H */