/* * Copyright (c) 2013-2015, 2017-2019, The Linux Foundation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and * only version 2 as published by the Free Software Foundation. * * 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. */ #ifndef _LINUX_MSM_AUDIO_ION_H #define _LINUX_MSM_AUDIO_ION_H #include #include #include #include enum { MSM_AUDIO_ION_INV_CACHES = 0, MSM_AUDIO_ION_CLEAN_CACHES, }; int msm_audio_ion_alloc(struct dma_buf **dma_buf, size_t bufsz, dma_addr_t *paddr, size_t *pa_len, void **vaddr); int msm_audio_ion_import(struct dma_buf **dma_buf, int fd, unsigned long *ionflag, size_t bufsz, dma_addr_t *paddr, size_t *pa_len, void **vaddr); int msm_audio_ion_free(struct dma_buf *dma_buf); int msm_audio_ion_mmap(struct audio_buffer *abuff, struct vm_area_struct *vma); int msm_audio_ion_cache_operations(struct audio_buffer *abuff, int cache_op); u32 msm_audio_populate_upper_32_bits(dma_addr_t pa); int msm_audio_ion_get_smmu_info(struct device **cb_dev, u64 *smmu_sid); int msm_audio_ion_dma_map(dma_addr_t *phys_addr, dma_addr_t *iova_base, u32 size, enum dma_data_direction dir); #endif /* _LINUX_MSM_AUDIO_ION_H */