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