76 lines
2.2 KiB
C
76 lines
2.2 KiB
C
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/* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef _MSM_SMEM_H_
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#define _MSM_SMEM_H_
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#include <linux/types.h>
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#include <linux/msm_ion.h>
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#include "msm_vidc_resources.h"
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#define HAL_BUFFER_MAX 0xb
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enum smem_type {
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SMEM_ION,
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};
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enum smem_prop {
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SMEM_CACHED = ION_FLAG_CACHED,
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SMEM_SECURE = ION_FLAG_SECURE,
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};
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enum hal_buffer {
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HAL_BUFFER_INPUT = 0x1,
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HAL_BUFFER_OUTPUT = 0x2,
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HAL_BUFFER_OUTPUT2 = 0x2,
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HAL_BUFFER_EXTRADATA_INPUT = 0x4,
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HAL_BUFFER_EXTRADATA_OUTPUT = 0x8,
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HAL_BUFFER_EXTRADATA_OUTPUT2 = 0x8,
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HAL_BUFFER_INTERNAL_SCRATCH = 0x10,
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HAL_BUFFER_INTERNAL_SCRATCH_1 = 0x20,
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HAL_BUFFER_INTERNAL_SCRATCH_2 = 0x40,
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HAL_BUFFER_INTERNAL_PERSIST = 0x80,
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HAL_BUFFER_INTERNAL_PERSIST_1 = 0x100,
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HAL_BUFFER_INTERNAL_CMD_QUEUE = 0x200,
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};
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struct msm_smem {
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int mem_type;
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size_t size;
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void *kvaddr;
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unsigned long device_addr;
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u32 flags;
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void *smem_priv;
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enum hal_buffer buffer_type;
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};
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enum smem_cache_ops {
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SMEM_CACHE_CLEAN,
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SMEM_CACHE_INVALIDATE,
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SMEM_CACHE_CLEAN_INVALIDATE,
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};
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void *msm_smem_new_client(enum smem_type mtype,
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struct msm_vidc_platform_resources *res);
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struct msm_smem *msm_smem_alloc(void *clt, size_t size, u32 align, u32 flags,
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enum hal_buffer buffer_type, int map_kernel);
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void msm_smem_free(void *clt, struct msm_smem *mem);
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void msm_smem_delete_client(void *clt);
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int msm_smem_cache_operations(void *clt, struct msm_smem *mem,
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enum smem_cache_ops);
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struct msm_smem *msm_smem_user_to_kernel(void *clt, int fd, u32 offset,
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enum hal_buffer buffer_type);
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int msm_smem_clean_invalidate(void *clt, struct msm_smem *mem);
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int msm_smem_get_domain_partition(void *clt, u32 flags, enum hal_buffer
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buffer_type, int *domain_num, int *partition_num);
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#endif
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