linux/drivers/staging/media/atomisp/pci/runtime/isys/src/isys_dma_rmgr.c

// 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.
 */

#include "system_global.h"


#include "assert_support.h"
#include "platform_support.h"
#include "ia_css_isys.h"
#include "bitop_support.h"
#include "isys_dma_rmgr.h"

static isys_dma_rsrc_t isys_dma_rsrc[N_ISYS2401_DMA_ID];

void ia_css_isys_dma_channel_rmgr_init(void)
{ … }

void ia_css_isys_dma_channel_rmgr_uninit(void)
{ … }

bool ia_css_isys_dma_channel_rmgr_acquire(
    isys2401_dma_ID_t	dma_id,
    isys2401_dma_channel	*channel)
{ … }

void ia_css_isys_dma_channel_rmgr_release(
    isys2401_dma_ID_t	dma_id,
    isys2401_dma_channel	*channel)
{ … }