kernel_samsung_a34x-permissive/drivers/misc/mediatek/apusys/edma/edma_queue.h

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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2019 MediaTek Inc.
* Author: JB Tsai <jb.tsai@mediatek.com>
*/
#ifndef __EDMA_QUEUE_H__
#define __EDMA_QUEUE_H__
#define DECLARE_VLIST(type) \
struct type ## _list { \
struct type node; \
struct list_head link; \
}
/*
* vlist_node_of - get the pointer to the node which has specific vlist
* @ptr: the pointer to struct list_head
* @type: the type of list node
*/
#define vlist_node_of(ptr, type) ({ \
const struct list_head *mptr = (ptr); \
(type *)((char *)mptr - offsetof(type ## _list, link)); })
/*
* vlist_link - get the pointer to struct list_head
* @ptr: the pointer to struct vlist
* @type: the type of list node
*/
#define vlist_link(ptr, type) \
((struct list_head *)((char *)ptr + offsetof(type ## _list, link)))
/*
* vlist_type - get the type of struct vlist
* @type: the type of list node
*/
#define vlist_type(type) type ## _list
/*
* vlist_node - get the pointer to the node of vlist
* @ptr: the pointer to struct vlist
* @type: the type of list node
*/
#define vlist_node(ptr, type) ((type *)ptr)
enum edma_command_type {
EDMA_PROC_NORMAL,
EDMA_PROC_FILL,
EDMA_PROC_NUMERICAL,
EDMA_PROC_FORMAT,
EDMA_PROC_COMPRESS,
EDMA_PROC_DECOMPRESS,
EDMA_PROC_RAW,
EDMA_PROC_EXT_MODE,
EDMA_PROC_MAX,
};
int edma_alloc_request(struct edma_request **rreq);
int edma_free_request(struct edma_request *req);
int edma_create_user(struct edma_user **user, struct edma_device *edma_device);
int edma_delete_user(struct edma_user *user, struct edma_device *edma_device);
int edma_enque_routine_loop(void *arg);
int edma_flush_requests_from_queue(struct edma_user *user);
int edma_free_request(struct edma_request *req);
void edma_setup_normal_request(struct edma_request *req,
struct edma_normal *edma_normal,
unsigned int type);
void edma_setup_fill_request(struct edma_request *req,
struct edma_fill *edma_fill,
unsigned int type);
void edma_setup_ext_mode_request(struct edma_request *req,
struct edma_ext *edma_ext,
unsigned int type);
void edma_setup_numerical_request(struct edma_request *req,
struct edma_numerical *edma_numerical,
unsigned int type);
void edma_setup_format_request(struct edma_request *req,
struct edma_format *edma_format,
unsigned int type);
void edma_setup_compress_request(struct edma_request *req,
struct edma_compress *edma_compress,
unsigned int type);
void edma_setup_decompress_request(struct edma_request *req,
struct edma_decompress *edma_decompress,
unsigned int type);
void edma_setup_raw_request(struct edma_request *req,
struct edma_raw *edma_raw,
unsigned int type);
int edma_push_request_to_queue(struct edma_user *user,
struct edma_request *req);
int edma_pop_request_from_queue(u64 handle,
struct edma_user *user,
struct edma_request **rreq);
#endif /* __EDMA_QUEUE_H__ */