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Diffstat (limited to 'include/sound/memalloc.h')
-rw-r--r--include/sound/memalloc.h10
1 files changed, 7 insertions, 3 deletions
diff --git a/include/sound/memalloc.h b/include/sound/memalloc.h
index 44d87775b352..b197e3f431c1 100644
--- a/include/sound/memalloc.h
+++ b/include/sound/memalloc.h
@@ -31,13 +31,13 @@ struct snd_dma_device {
#define SNDRV_DMA_TYPE_UNKNOWN 0 /* not defined */
#define SNDRV_DMA_TYPE_CONTINUOUS 1 /* continuous no-DMA memory */
#define SNDRV_DMA_TYPE_DEV 2 /* generic device continuous */
-#define SNDRV_DMA_TYPE_DEV_UC 5 /* continuous non-cahced */
+#define SNDRV_DMA_TYPE_DEV_WC 5 /* continuous write-combined */
#ifdef CONFIG_SND_DMA_SGBUF
#define SNDRV_DMA_TYPE_DEV_SG 3 /* generic device SG-buffer */
-#define SNDRV_DMA_TYPE_DEV_UC_SG 6 /* SG non-cached */
+#define SNDRV_DMA_TYPE_DEV_WC_SG 6 /* SG write-combined */
#else
#define SNDRV_DMA_TYPE_DEV_SG SNDRV_DMA_TYPE_DEV /* no SG-buf support */
-#define SNDRV_DMA_TYPE_DEV_UC_SG SNDRV_DMA_TYPE_DEV_UC
+#define SNDRV_DMA_TYPE_DEV_WC_SG SNDRV_DMA_TYPE_DEV_WC
#endif
#ifdef CONFIG_GENERIC_ALLOCATOR
#define SNDRV_DMA_TYPE_DEV_IRAM 4 /* generic device iram-buffer */
@@ -79,5 +79,9 @@ 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);
+/* device-managed memory allocator */
+struct snd_dma_buffer *snd_devm_alloc_pages(struct device *dev, int type,
+ size_t size);
+
#endif /* __SOUND_MEMALLOC_H */