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- /***********************license start***************
- * Author: Cavium Networks
- *
- * Contact: [email protected]
- * This file is part of the OCTEON SDK
- *
- * Copyright (c) 2003-2008 Cavium Networks
- *
- * This file is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, Version 2, as
- * published by the Free Software Foundation.
- *
- * This file is distributed in the hope that it will be useful, but
- * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
- * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
- * NONINFRINGEMENT. See the GNU General Public License for more
- * details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this file; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- * or visit http://www.gnu.org/licenses/.
- *
- * This file may also be available under a different license from Cavium.
- * Contact Cavium Networks for more information
- ***********************license end**************************************/
- /*
- * Functions for SPI initialization, configuration,
- * and monitoring.
- */
- #ifndef __CVMX_HELPER_SPI_H__
- #define __CVMX_HELPER_SPI_H__
- /**
- * Probe a SPI interface and determine the number of ports
- * connected to it. The SPI interface should still be down after
- * this call.
- *
- * @interface: Interface to probe
- *
- * Returns Number of ports on the interface. Zero to disable.
- */
- extern int __cvmx_helper_spi_probe(int interface);
- extern int __cvmx_helper_spi_enumerate(int interface);
- /**
- * Bringup and enable a SPI interface. After this call packet I/O
- * should be fully functional. This is called with IPD enabled but
- * PKO disabled.
- *
- * @interface: Interface to bring up
- *
- * Returns Zero on success, negative on failure
- */
- extern int __cvmx_helper_spi_enable(int interface);
- /**
- * Return the link state of an IPD/PKO port as returned by
- * auto negotiation. The result of this function may not match
- * Octeon's link config if auto negotiation has changed since
- * the last call to cvmx_helper_link_set().
- *
- * @ipd_port: IPD/PKO port to query
- *
- * Returns Link state
- */
- extern union cvmx_helper_link_info __cvmx_helper_spi_link_get(int ipd_port);
- /**
- * Configure an IPD/PKO port for the specified link state. This
- * function does not influence auto negotiation at the PHY level.
- * The passed link state must always match the link state returned
- * by cvmx_helper_link_get().
- *
- * @ipd_port: IPD/PKO port to configure
- * @link_info: The new link state
- *
- * Returns Zero on success, negative on failure
- */
- extern int __cvmx_helper_spi_link_set(int ipd_port,
- union cvmx_helper_link_info link_info);
- #endif
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