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- /* SPDX-License-Identifier: GPL-2.0-only */
- /*
- * Copyright (c) 2013-2015, 2017-2020, The Linux Foundation. All rights reserved.
- */
- #ifndef _LINUX_MSM_AUDIO_ION_H
- #define _LINUX_MSM_AUDIO_ION_H
- #include <sound/pcm.h>
- #include <linux/msm_ion.h>
- #include <linux/dma-mapping.h>
- enum {
- HLOS_TO_ADSP = 1,
- ADSP_TO_HLOS,
- };
- #define VMID_CP_ADSP_SHARED 33
- enum {
- MSM_AUDIO_ION_INV_CACHES = 0,
- MSM_AUDIO_ION_CLEAN_CACHES,
- };
- struct audio_buffer {
- dma_addr_t phys;
- void *data;
- uint32_t used;
- uint32_t size;/* size of buffer */
- uint32_t actual_size; /* actual number of bytes read by DSP */
- struct dma_buf *dma_buf;
- };
- 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_import_cma(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_cma(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);
- int msm_audio_ion_phys_assign(void **mem_hdl, int fd, dma_addr_t *paddr,
- size_t *pa_len, u8 assign_type, int id);
- int msm_audio_ion_phys_free(void *mem_hdl, dma_addr_t *paddr,
- size_t *pa_len, u8 assign_type, int id, int key);
- bool msm_audio_is_hypervisor_supported(void);
- int msm_audio_get_phy_addr(int fd, dma_addr_t *paddr);
- void msm_audio_ion_crash_handler(void);
- #endif /* _LINUX_MSM_AUDIO_ION_H */
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