forked from rrcarlosr/Jetpack
72 lines
1.9 KiB
C
72 lines
1.9 KiB
C
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/*
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* Tegra capture common operations
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*
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* Copyright (c) 2017-2018, NVIDIA CORPORATION. All rights reserved.
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*
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* Author: Sudhir Vyas <svyas@nvidia.com>
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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 as
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* published by the Free Software Foundation.
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*/
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#include <media/mc_common.h>
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/* Progress status */
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#define PROGRESS_STATUS_BUSY (U32_C(0x1))
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#define PROGRESS_STATUS_DONE (U32_C(0x2))
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/* buffer details including dma_buf and iova etc. */
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struct capture_common_buf {
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struct dma_buf *buf;
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struct dma_buf_attachment *attach;
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struct sg_table *sgt;
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dma_addr_t iova;
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};
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/* unpin details for a capture channel, per request */
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struct capture_common_unpins {
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uint32_t num_unpins;
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struct capture_common_buf data[];
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};
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struct capture_common_pin_req {
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struct device *dev;
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struct device *rtcpu_dev;
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struct capture_common_unpins *unpins;
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struct capture_common_buf *requests;
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struct capture_common_buf *requests_dev;
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uint32_t request_size;
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uint32_t request_offset;
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uint32_t requests_mem;
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uint32_t num_relocs;
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uint32_t __user *reloc_user;
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};
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struct capture_common_status_notifier {
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struct dma_buf *buf;
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void *va;
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uint32_t offset;
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};
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int capture_common_setup_progress_status_notifier(
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struct capture_common_status_notifier *status_notifier,
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uint32_t mem,
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uint32_t buffer_size,
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uint32_t mem_offset);
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int capture_common_set_progress_status(
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struct capture_common_status_notifier *progress_status_notifier,
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uint32_t buffer_slot,
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uint32_t buffer_depth, uint8_t new_val);
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int capture_common_release_progress_status_notifier(
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struct capture_common_status_notifier *progress_status_notifier);
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int capture_common_pin_memory(struct device *dev,
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uint32_t mem, struct capture_common_buf *unpin_data);
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void capture_common_unpin_memory(struct capture_common_buf *unpin_data);
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int capture_common_request_pin_and_reloc(struct capture_common_pin_req *req);
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