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+/***********************license start***************
+ * Copyright (c) 2011 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**************************************/
+
+
+/**
+ * @file
+ *
+ * Helper utilities for qlm.
+ *
+ * <hr>$Revision: 70030 $<hr>
+ */
+
+
+#ifndef __CVMX_QLM_H__
+#define __CVMX_QLM_H__
+
+#include "cvmx.h"
+
+typedef struct
+{
+ const char *name;
+ int stop_bit;
+ int start_bit;
+} __cvmx_qlm_jtag_field_t;
+
+/**
+ * Return the number of QLMs supported by the chip
+ *
+ * @return Number of QLMs
+ */
+extern int cvmx_qlm_get_num(void);
+
+/**
+ * Return the qlm number based on the interface
+ *
+ * @param interface Interface to look up
+ */
+extern int cvmx_qlm_interface(int interface);
+
+/**
+ * Return number of lanes for a given qlm
+ *
+ * @return Number of lanes
+ */
+extern int cvmx_qlm_get_lanes(int qlm);
+
+/**
+ * Get the QLM JTAG fields based on Octeon model on the supported chips.
+ *
+ * @return qlm_jtag_field_t structure
+ */
+extern const __cvmx_qlm_jtag_field_t *cvmx_qlm_jtag_get_field(void);
+
+/**
+ * Get the QLM JTAG length by going through qlm_jtag_field for each
+ * Octeon model that is supported
+ *
+ * @return return the length.
+ */
+extern int cvmx_qlm_jtag_get_length(void);
+
+/**
+ * Initialize the QLM layer
+ */
+extern void cvmx_qlm_init(void);
+
+/**
+ * Get a field in a QLM JTAG chain
+ *
+ * @param qlm QLM to get
+ * @param lane Lane in QLM to get
+ * @param name String name of field
+ *
+ * @return JTAG field value
+ */
+extern uint64_t cvmx_qlm_jtag_get(int qlm, int lane, const char *name);
+
+/**
+ * Set a field in a QLM JTAG chain
+ *
+ * @param qlm QLM to set
+ * @param lane Lane in QLM to set, or -1 for all lanes
+ * @param name String name of field
+ * @param value Value of the field
+ */
+extern void cvmx_qlm_jtag_set(int qlm, int lane, const char *name, uint64_t value);
+
+/**
+ * Errata G-16094: QLM Gen2 Equalizer Default Setting Change.
+ * CN68XX pass 1.x and CN66XX pass 1.x QLM tweak. This function tweaks the
+ * JTAG setting for a QLMs to run better at 5 and 6.25Ghz.
+ */
+extern void __cvmx_qlm_speed_tweak(void);
+
+/**
+ * Errata G-16174: QLM Gen2 PCIe IDLE DAC change.
+ * CN68XX pass 1.x, CN66XX pass 1.x and CN63XX pass 1.0-2.2 QLM tweak.
+ * This function tweaks the JTAG setting for a QLMs for PCIe to run better.
+ */
+extern void __cvmx_qlm_pcie_idle_dac_tweak(void);
+
+#ifndef CVMX_BUILD_FOR_LINUX_HOST
+/**
+ * Get the speed (Gbaud) of the QLM in Mhz.
+ *
+ * @param qlm QLM to examine
+ *
+ * @return Speed in Mhz
+ */
+extern int cvmx_qlm_get_gbaud_mhz(int qlm);
+#endif
+
+/*
+ * Read QLM and return status based on CN66XX.
+ * @return Return 1 if QLM is SGMII
+ * 2 if QLM is XAUI
+ * 3 if QLM is PCIe gen2 / gen1
+ * 4 if QLM is SRIO 1x4 short / long
+ * 5 if QLM is SRIO 2x2 short / long
+ * 6 is reserved
+ * 7 if QLM is PCIe 1x2 gen2 / gen1
+ * 8 if QLM is PCIe 2x1 gen2 / gen1
+ * 9 if QLM is ILK
+ * 10 if QLM is RXAUI
+ * -1 otherwise
+ */
+extern int cvmx_qlm_get_status(int qlm);
+
+#endif /* __CVMX_QLM_H__ */