[ARM] tegra: add nvos/nvrm/nvmap drivers

arch/arm/mach-tegra/nv/nvrm/core/common/nvrm_configuration.h

Index: arch/arm/mach-tegra/nv/nvrm/core/common/nvrm_configuration.h
diff --git a/arch/arm/mach-tegra/nv/nvrm/core/common/nvrm_configuration.h b/arch/arm/mach-tegra/nv/nvrm/core/common/nvrm_configuration.h
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index 0000000000000000000000000000000000000000..f5b3ff0e1ae85f80551619d35b67cb62e6cced0f
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+++ b/arch/arm/mach-tegra/nv/nvrm/core/common/nvrm_configuration.h
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+/*
+ * Copyright (c) 2007-2009 NVIDIA Corporation.
+ * 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 the NVIDIA Corporation 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 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 HOLDER 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 INCLUDED_NVRM_CONFIGURATION_H
+#define INCLUDED_NVRM_CONFIGURATION_H
+
+#include "nvcommon.h"
+#include "nverror.h"
+
+/**
+ * The RM configuration variables are represented by two structures:
+ * a configuration map, which lists all of the variables, their default
+ * values and types, and a struct of strings, which holds the runtime value of
+ * the variables.  The map holds the index into the runtime structure.
+ *
+ */
+
+/**
+ * The configuration varible type.
+ */
+typedef enum
+{
+    /* String should be parsed as a decimal */
+    NvRmCfgType_Decimal = 0,
+
+    /* String should be parsed as a hexadecimal */
+    NvRmCfgType_Hex = 1,
+
+    /* String should be parsed as a character */
+    NvRmCfgType_Char = 2,
+
+    /* String used as-is. */
+    NvRmCfgType_String = 3,
+} NvRmCfgType;
+
+/**
+ * The configuration map (all possible variables).  The map must be
+ * null terminated.  Each Rm instance (for each chip) can/will have
+ * different configuration maps.
+ */
+typedef struct NvRmCfgMap_t
+{  
+    const char *name;
+    NvRmCfgType type; 
+    void *initial; /* default value of the variable */
+    void *offset; /* the index into the string structure */
+} NvRmCfgMap;
+
+/* helper macro for generating the offset for the map */
+#define STRUCT_OFFSET( s, e )       (void *)(&(((s*)0)->e))
+
+/* maximum size of a configuration variable */
+#define NVRM_CFG_MAXLEN NVOS_PATH_MAX
+
+/**
+ * get the default configuration variables.
+ *
+ * @param map The configuration map
+ * @param cfg The configuration runtime values
+ */
+NvError
+NvRmPrivGetDefaultCfg( NvRmCfgMap *map, void *cfg );
+
+/**
+ * get requested configuration.
+ *
+ * @param map The configuration map
+ * @param cfg The configuration runtime values
+ *
+ * Note: 'cfg' should have already been initialized with
+ * NvRmPrivGetDefaultCfg()  before calling this.
+ */
+NvError
+NvRmPrivReadCfgVars( NvRmCfgMap *map, void *cfg );
+
+#endif