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a202bd1ad8
This patch moves the mmap handling code into the common memalloc handler. It allows us to reduce the memory-type specific code in PCM code gracefully. Link: https://lore.kernel.org/r/20210609162551.7842-5-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
19 lines
666 B
C
19 lines
666 B
C
// SPDX-License-Identifier: GPL-2.0-only
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#ifndef __MEMALLOC_LOCAL_H
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#define __MEMALLOC_LOCAL_H
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struct snd_malloc_ops {
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int (*alloc)(struct snd_dma_buffer *dmab, size_t size);
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void (*free)(struct snd_dma_buffer *dmab);
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dma_addr_t (*get_addr)(struct snd_dma_buffer *dmab, size_t offset);
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struct page *(*get_page)(struct snd_dma_buffer *dmab, size_t offset);
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unsigned int (*get_chunk_size)(struct snd_dma_buffer *dmab,
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unsigned int ofs, unsigned int size);
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int (*mmap)(struct snd_dma_buffer *dmab, struct vm_area_struct *area);
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};
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#ifdef CONFIG_SND_DMA_SGBUF
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extern const struct snd_malloc_ops snd_dma_sg_ops;
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#endif
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#endif /* __MEMALLOC_LOCAL_H */
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