grpci.h

/* SPDX-License-Identifier: BSD-2-Clause */
 
/*
 *  COPYRIGHT (c) 2015.
 *  Cobham Gaisler.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 */
 
#ifndef __GRPCI_H__
#define __GRPCI_H__
 
#ifdef __cplusplus
extern "C" {
#endif
 
/* Register the GRPCI driver to the Driver Manager */
extern void grpci_register_drv(void);
 
/* Transfer data using GRPCI DMA unit from AMBA to PCI space. Blocks until
 * operation completes.
 */
int grpci_dma_to_pci(
    unsigned int ahb_addr,
    unsigned int pci_addr,
    unsigned int len);
 
/* Transfer data using GRPCI DMA unit from PCI to AMBA space. Blocks until
 * operation completes.
 */
int grpci_dma_from_pci(
    unsigned int ahb_addr,
    unsigned int pci_addr,
    unsigned int len);
 
#ifdef __cplusplus
}
#endif
 
#endif