summaryrefslogtreecommitdiff
path: root/ANDROID_3.4.5/include/sound/memalloc.h
diff options
context:
space:
mode:
Diffstat (limited to 'ANDROID_3.4.5/include/sound/memalloc.h')
-rw-r--r--ANDROID_3.4.5/include/sound/memalloc.h136
1 files changed, 0 insertions, 136 deletions
diff --git a/ANDROID_3.4.5/include/sound/memalloc.h b/ANDROID_3.4.5/include/sound/memalloc.h
deleted file mode 100644
index c4250621..00000000
--- a/ANDROID_3.4.5/include/sound/memalloc.h
+++ /dev/null
@@ -1,136 +0,0 @@
-/*
- * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
- * Takashi Iwai <tiwai@suse.de>
- *
- * Generic memory allocators
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#ifndef __SOUND_MEMALLOC_H
-#define __SOUND_MEMALLOC_H
-
-struct device;
-
-/*
- * buffer device info
- */
-struct snd_dma_device {
- int type; /* SNDRV_DMA_TYPE_XXX */
- struct device *dev; /* generic device */
-};
-
-#ifndef snd_dma_pci_data
-#define snd_dma_pci_data(pci) (&(pci)->dev)
-#define snd_dma_isa_data() NULL
-#define snd_dma_continuous_data(x) ((struct device *)(unsigned long)(x))
-#endif
-
-
-/*
- * buffer types
- */
-#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 */
-#ifdef CONFIG_SND_DMA_SGBUF
-#define SNDRV_DMA_TYPE_DEV_SG 3 /* generic device SG-buffer */
-#else
-#define SNDRV_DMA_TYPE_DEV_SG SNDRV_DMA_TYPE_DEV /* no SG-buf support */
-#endif
-
-/*
- * info for buffer allocation
- */
-struct snd_dma_buffer {
- struct snd_dma_device dev; /* device type */
- unsigned char *area; /* virtual pointer */
- dma_addr_t addr; /* physical address */
- size_t bytes; /* buffer size in bytes */
- void *private_data; /* private for allocator; don't touch */
-};
-
-#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 pages matching with the given byte size
- */
-static inline unsigned int snd_sgbuf_aligned_pages(size_t size)
-{
- return (size + PAGE_SIZE - 1) >> PAGE_SHIFT;
-}
-
-/*
- * return the physical address at the corresponding offset
- */
-static inline dma_addr_t snd_sgbuf_get_addr(struct snd_sg_buf *sgbuf, size_t offset)
-{
- dma_addr_t addr = sgbuf->table[offset >> PAGE_SHIFT].addr;
- addr &= PAGE_MASK;
- return addr + offset % PAGE_SIZE;
-}
-
-/*
- * return the virtual address at the corresponding offset
- */
-static inline void *snd_sgbuf_get_ptr(struct snd_sg_buf *sgbuf, size_t offset)
-{
- return sgbuf->table[offset >> PAGE_SHIFT].buf + offset % PAGE_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);
-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);
-
-/* buffer-preservation managements */
-
-#define snd_dma_pci_buf_id(pci) (((unsigned int)(pci)->vendor << 16) | (pci)->device)
-
-size_t snd_dma_get_reserved_buf(struct snd_dma_buffer *dmab, unsigned int id);
-int snd_dma_reserve_buf(struct snd_dma_buffer *dmab, unsigned int id);
-
-/* basic memory allocation functions */
-void *snd_malloc_pages(size_t size, gfp_t gfp_flags);
-void snd_free_pages(void *ptr, size_t size);
-
-#endif /* __SOUND_MEMALLOC_H */
-