diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/sound/memalloc.h | 61 | ||||
| -rw-r--r-- | include/sound/pcm.h | 8 |
2 files changed, 6 insertions, 63 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 */ diff --git a/include/sound/pcm.h b/include/sound/pcm.h index c4f418c511e5..938f36050a5e 100644 --- a/include/sound/pcm.h +++ b/include/sound/pcm.h @@ -1254,14 +1254,6 @@ static inline int snd_pcm_lib_alloc_vmalloc_32_buffer #define snd_pcm_get_dma_buf(substream) ((substream)->runtime->dma_buffer_p) -#ifdef CONFIG_SND_DMA_SGBUF -/* - * SG-buffer handling - */ -#define snd_pcm_substream_sgbuf(substream) \ - snd_pcm_get_dma_buf(substream)->private_data -#endif /* SND_DMA_SGBUF */ - /** * snd_pcm_sgbuf_get_addr - Get the DMA address at the corresponding offset * @substream: PCM substream |