/* SPDX-License-Identifier: GPL-2.0 */
|
/*
|
* Support for Intel Camera Imaging ISP subsystem.
|
* Copyright (c) 2010 - 2015, Intel Corporation.
|
*
|
* This program is free software; you can redistribute it and/or modify it
|
* under the terms and conditions of the GNU General Public License,
|
* version 2, as published by the Free Software Foundation.
|
*
|
* This program is distributed in the hope 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 __QUEUE_ACCESS_H
|
#define __QUEUE_ACCESS_H
|
|
#include <linux/errno.h>
|
|
#include <type_support.h>
|
#include <ia_css_queue_comm.h>
|
#include <ia_css_circbuf.h>
|
|
#define QUEUE_IGNORE_START_FLAG 0x0001
|
#define QUEUE_IGNORE_END_FLAG 0x0002
|
#define QUEUE_IGNORE_SIZE_FLAG 0x0004
|
#define QUEUE_IGNORE_STEP_FLAG 0x0008
|
#define QUEUE_IGNORE_DESC_FLAGS_MAX 0x000f
|
|
#define QUEUE_IGNORE_SIZE_START_STEP_FLAGS \
|
(QUEUE_IGNORE_SIZE_FLAG | \
|
QUEUE_IGNORE_START_FLAG | \
|
QUEUE_IGNORE_STEP_FLAG)
|
|
#define QUEUE_IGNORE_SIZE_END_STEP_FLAGS \
|
(QUEUE_IGNORE_SIZE_FLAG | \
|
QUEUE_IGNORE_END_FLAG | \
|
QUEUE_IGNORE_STEP_FLAG)
|
|
#define QUEUE_IGNORE_START_END_STEP_FLAGS \
|
(QUEUE_IGNORE_START_FLAG | \
|
QUEUE_IGNORE_END_FLAG | \
|
QUEUE_IGNORE_STEP_FLAG)
|
|
#define QUEUE_CB_DESC_INIT(cb_desc) \
|
do { \
|
(cb_desc)->size = 0; \
|
(cb_desc)->step = 0; \
|
(cb_desc)->start = 0; \
|
(cb_desc)->end = 0; \
|
} while (0)
|
|
struct ia_css_queue {
|
u8 type; /* Specify remote/local type of access */
|
u8 location; /* Cell location for queue */
|
u8 proc_id; /* Processor id for queue access */
|
union {
|
ia_css_circbuf_t cb_local;
|
struct {
|
u32 cb_desc_addr; /*Circbuf desc address for remote queues*/
|
u32 cb_elems_addr; /*Circbuf elements addr for remote queue*/
|
} remote;
|
} desc;
|
};
|
|
int ia_css_queue_load(
|
struct ia_css_queue *rdesc,
|
ia_css_circbuf_desc_t *cb_desc,
|
uint32_t ignore_desc_flags);
|
|
int ia_css_queue_store(
|
struct ia_css_queue *rdesc,
|
ia_css_circbuf_desc_t *cb_desc,
|
uint32_t ignore_desc_flags);
|
|
int ia_css_queue_item_load(
|
struct ia_css_queue *rdesc,
|
u8 position,
|
ia_css_circbuf_elem_t *item);
|
|
int ia_css_queue_item_store(
|
struct ia_css_queue *rdesc,
|
u8 position,
|
ia_css_circbuf_elem_t *item);
|
|
#endif /* __QUEUE_ACCESS_H */
|
