05349feaa2
Bring over camera driver changes as of msm-4.19 commit 5a5551a7 (Merge "msm: camera: reqmgr: Fix CRM shift one req issue"). Change-Id: Ic0c2b2d74d1b3470c1c51d98228e312fb13c501a Signed-off-by: Jigarkumar Zala <jzala@codeaurora.org>
127 lines
3.8 KiB
C
127 lines
3.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* Copyright (c) 2017-2019, The Linux Foundation. All rights reserved.
|
|
*/
|
|
|
|
#ifndef _CAM_PACKET_UTIL_H_
|
|
#define _CAM_PACKET_UTIL_H_
|
|
|
|
#include <media/cam_defs.h>
|
|
|
|
/**
|
|
* @brief KMD scratch buffer information
|
|
*
|
|
* @handle: Memory handle
|
|
* @cpu_addr: Cpu address
|
|
* @offset: Offset from the start of the buffer
|
|
* @size: Size of the buffer
|
|
* @used_bytes: Used memory in bytes
|
|
*
|
|
*/
|
|
struct cam_kmd_buf_info {
|
|
int handle;
|
|
uint32_t *cpu_addr;
|
|
uint32_t offset;
|
|
uint32_t size;
|
|
uint32_t used_bytes;
|
|
};
|
|
|
|
/* Generic Cmd Buffer blob callback function type */
|
|
typedef int (*cam_packet_generic_blob_handler)(void *user_data,
|
|
uint32_t blob_type, uint32_t blob_size, uint8_t *blob_data);
|
|
|
|
/**
|
|
* cam_packet_util_get_cmd_mem_addr()
|
|
*
|
|
* @brief Get command buffer address
|
|
*
|
|
* @handle: Command buffer memory handle
|
|
* @buf_addr: Command buffer cpu mapped address
|
|
* @len: Command buffer length
|
|
*
|
|
* @return: 0 for success
|
|
* -EINVAL for Fail
|
|
*/
|
|
int cam_packet_util_get_cmd_mem_addr(int handle, uint32_t **buf_addr,
|
|
size_t *len);
|
|
|
|
/**
|
|
* cam_packet_util_validate_packet()
|
|
*
|
|
* @brief Validate the packet
|
|
*
|
|
* @packet: Packet to be validated
|
|
*
|
|
* @remain_len: CPU buff length after config offset
|
|
*
|
|
* @return: 0 for success
|
|
* -EINVAL for Fail
|
|
*/
|
|
int cam_packet_util_validate_packet(struct cam_packet *packet,
|
|
size_t remain_len);
|
|
|
|
/**
|
|
* cam_packet_util_validate_cmd_desc()
|
|
*
|
|
* @brief Validate the packet
|
|
*
|
|
* @cmd_desc: Command descriptor to be validated
|
|
*
|
|
* @return: 0 for success
|
|
* -EINVAL for Fail
|
|
*/
|
|
int cam_packet_util_validate_cmd_desc(struct cam_cmd_buf_desc *cmd_desc);
|
|
|
|
/**
|
|
* cam_packet_util_get_kmd_buffer()
|
|
*
|
|
* @brief Get the kmd buffer from the packet command descriptor
|
|
*
|
|
* @packet: Packet data
|
|
* @kmd_buf: Extracted the KMD buffer information
|
|
*
|
|
* @return: 0 for success
|
|
* -EINVAL for Fail
|
|
*/
|
|
int cam_packet_util_get_kmd_buffer(struct cam_packet *packet,
|
|
struct cam_kmd_buf_info *kmd_buf_info);
|
|
|
|
/**
|
|
* cam_packet_util_process_patches()
|
|
*
|
|
* @brief: Replace the handle in Packet to Address using the
|
|
* information from patches.
|
|
*
|
|
* @packet: Input packet containing Command Buffers and Patches
|
|
* @iommu_hdl: IOMMU handle of the HW Device that received the packet
|
|
* @sec_iommu_hdl: Secure IOMMU handle of the HW Device that
|
|
* received the packet
|
|
*
|
|
* @return: 0: Success
|
|
* Negative: Failure
|
|
*/
|
|
int cam_packet_util_process_patches(struct cam_packet *packet,
|
|
int32_t iommu_hdl, int32_t sec_mmu_hdl);
|
|
|
|
/**
|
|
* cam_packet_util_process_generic_cmd_buffer()
|
|
*
|
|
* @brief: Process Generic Blob command buffer. This utility
|
|
* function process the command buffer and calls the
|
|
* blob_handle_cb callback for each blob that exists
|
|
* in the command buffer.
|
|
*
|
|
* @cmd_buf: Generic Blob Cmd Buffer handle
|
|
* @blob_handler_cb: Callback pointer to call for each blob exists in the
|
|
* command buffer
|
|
* @user_data: User data to be passed while callback
|
|
*
|
|
* @return: 0: Success
|
|
* Negative: Failure
|
|
*/
|
|
int cam_packet_util_process_generic_cmd_buffer(
|
|
struct cam_cmd_buf_desc *cmd_buf,
|
|
cam_packet_generic_blob_handler blob_handler_cb, void *user_data);
|
|
|
|
#endif /* _CAM_PACKET_UTIL_H_ */
|