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kernel_samsung_sm7125/include/linux/fastcvpd.h

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