OpenCloudOS-Kernel/sound/core/memalloc_local.h

20 lines
666 B
C

// SPDX-License-Identifier: GPL-2.0-only
#ifndef __MEMALLOC_LOCAL_H
#define __MEMALLOC_LOCAL_H
struct snd_malloc_ops {
int (*alloc)(struct snd_dma_buffer *dmab, size_t size);
void (*free)(struct snd_dma_buffer *dmab);
dma_addr_t (*get_addr)(struct snd_dma_buffer *dmab, size_t offset);
struct page *(*get_page)(struct snd_dma_buffer *dmab, size_t offset);
unsigned int (*get_chunk_size)(struct snd_dma_buffer *dmab,
unsigned int ofs, unsigned int size);
int (*mmap)(struct snd_dma_buffer *dmab, struct vm_area_struct *area);
};
#ifdef CONFIG_SND_DMA_SGBUF
extern const struct snd_malloc_ops snd_dma_sg_ops;
#endif
#endif /* __MEMALLOC_LOCAL_H */