81 lines
1.7 KiB
C
81 lines
1.7 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2018, The Linux Foundation. All rights reserved.
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*/
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#ifndef FASTCVPD_H
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#define FASTCVPD_H
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#include <linux/types.h>
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#define FASTCVPD_GLINK_GUID "fastcvpd-glink-apps-dsp"
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#define FASTCVPD_SMD_GUID "fastcvpd-smd-apps-dsp"
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#define FASTCVPD_DEVICE_NAME "fastcvpd-smd"
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#ifdef CONFIG_MSM_FASTCVPD
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/*
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* API for Video driver to send physical address to FastCVP driver
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* @param phys_addr
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* Physical address of command message queue
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* that needs to be mapped to CDSP.
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* It should be allocated from CMA adsp_mem region.
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*
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* @param size_in_bytes
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* Size in bytes of command message queue
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*/
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int fastcvpd_video_send_cmd_hfi_queue(phys_addr_t *phys_addr,
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uint32_t size_in_bytes);
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/*
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* API for Video driver to suspend CVP session during
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* power collapse
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*
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* @param session_flag
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* Flag to share details of session.
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*/
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int fastcvpd_video_suspend(uint32_t session_flag);
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/*
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* API for Video driver to resume CVP session during
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* power collapse
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*
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* @param session_flag
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* Flag to share details of session.
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*/
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int fastcvpd_video_resume(uint32_t session_flag);
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/*
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* API for Video driver to shutdown CVP session during
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* video subsystem error.
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*
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* @param session_flag
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* Flag to share details of session.
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*/
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int fastcvpd_video_shutdown(uint32_t session_flag);
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#else
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static inline int fastcvpd_video_send_cmd_hfi_queue(
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phys_addr_t *phys_addr,
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uint32_t size_in_bytes)
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{
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return -ENODEV;
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}
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static inline int fastcvpd_video_shutdown(uint32_t session_flag)
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{
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return -ENODEV;
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}
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static inline int fastcvpd_video_suspend(uint32_t session_flag)
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{
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return -ENODEV;
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}
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static inline int fastcvpd_video_resume(uint32_t session_flag)
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{
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return -ENODEV;
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}
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#endif // CONFIG_FASTCVPD
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#endif // FASTCVPD_H
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