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/***********************license start***********************************
* Copyright (c) 2003-2017 Cavium Inc. (support@cavium.com). All rights
* reserved.
*
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * 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.
*
* * Neither the name of Cavium Inc. nor the names of
* its contributors may be used to endorse or promote products
* derived from this software without specific prior written
* permission.
*
* This Software, including technical data, may be subject to U.S. export
* control laws, including the U.S. Export Administration Act and its
* associated regulations, and may be subject to export or import
* regulations in other countries.
*
* TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
* AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR
* WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT
* TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY
* REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT
* DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES
* OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR
* PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT,
* QUIET POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK
* ARISING OUT OF USE OR PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
***********************license end**************************************/
#include <libbdk-hal/device/bdk-device.h>
/**
* @file
*
* Interface to the ECAMs.
*
* @addtogroup hal
* @{
*/
/**
* Read from an ECAM
*
* @param device Device to read from
* @param reg Register to read
*
* @return Result of the read of -1 on failure
*/
extern uint32_t bdk_ecam_read32(const bdk_device_t *device, int reg);
/**
* Write to an ECAM register
*
* @param device Device to write to
* @param reg Register to write
* @param value Value to write
*/
extern void bdk_ecam_write32(const bdk_device_t *device, int reg, uint32_t value);
/**
* Build an ECAM config space request address for a device
*
* @param device Device being accessed
* @param reg Register to access
*
* @return 64bit IO address
*/
extern uint64_t __bdk_ecam_build_address(const bdk_device_t *device, int reg);
/**
* Return the number of internal ECAMS on a node.
*
* @param node Node to query
*
* @return Number of ECAMs available
*/
extern int bdk_ecam_get_num(bdk_node_t node);
/**
* Scan all ECAMs for devices and add them to bdk-device
*
* @param node Node to scan
*
* @return Zero on success, negative on failure
*/
extern int bdk_ecam_scan_all(bdk_node_t node) BDK_WEAK;
/** @} */
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