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

arch/arm/mach-tegra/nv/include/nvidlcmd.h

+/*
+ * Copyright (c) 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_NVIDLCMD_H
+#define INCLUDED_NVIDLCMD_H
+
+#include "nvos.h"
+#include "nvreftrack.h"
+
+// name of the master FIFO socket on systems which use the master FIFO
+#define NVRM_DAEMON_SOCKNAME "/dev/nvrm_daemon"
+
+#define NV_DAEMON_MODULES(F) \
+    F(NvRmGraphics) \
+    F(NvMM) \
+    F(NvDDKAudio) \
+    F(NvDispMgr)
+
+#define NV_KERNEL_MODULES(F) \
+    F(NvRm) \
+    F(NvECPackage) \
+    F(NvStorManager) \
+    F(NvVib)
+
+// These codes are sent to the daemon to initiate commands from each module.
+typedef enum NvRmDaemonCodeEnum
+{
+    NvRmDaemonCode_FifoCreate   =   0x281e0001,
+    NvRmDaemonCode_FifoDelete,
+
+#define F(X) NvRmDaemonCode_##X,
+    NV_DAEMON_MODULES(F)
+#undef F
+    NvRmDaemonCode_Garbage      =   0xdeadbeef,
+
+    NvRmDaemonCode_Force32      =   0x7FFFFFFF
+} NvRmDaemonCode;
+
+/* Defines a pair of objects for transferring data to and from the daemon.
+ * FifoIn is used to read data from the daemon; FifoOut is used to write data
+ * to the daemon
+ */
+typedef struct NvIdlFifoPairRec
+{
+    void *FifoIn;
+    void *FifoOut;
+} NvIdlFifoPair;
+
+
+/* These functions are called by the IDL-generated code:
+ *
+ * *_NvIdlGetIoctlCode() - get code to use to identify module
+ * *_NvIdlGetFifos()     - get a fifo pair for communication
+ * *_NvIdlReleaseFifos() - get a fifo pair for communication
+ * *_NvIdlGetIoctlFile() - get the file to use for ioctl
+ */
+
+#define NV_IDL_DECLS_STUB(pfx) \
+        NvU32          pfx##_NvIdlGetIoctlCode(void); \
+        NvOsFileHandle pfx##_NvIdlGetIoctlFile(void);
+    
+#define NV_IDL_DECLS_DISPATCH_KERNEL(pfx) \
+        NvError pfx##_Dispatch( \
+                    void *InBuffer, \
+                    NvU32 InSize, \
+                    void *OutBuffer, \
+                    NvU32 OutSize, \
+                    NvDispatchCtx* Ctx);
+
+#if NVOS_IS_LINUX
+#define NV_IDL_DECLS_DISPATCH_DAEMON(pfx) \
+        NvError pfx##_Dispatch( \
+            void* hFifoIn, \
+            void* hFifoOut, \
+            NvDispatchCtx* Ctx);
+#else
+#define NV_IDL_DECLS_DISPATCH_DAEMON(p) \
+        NV_IDL_DECLS_DISPATCH_KERNEL(p)
+#endif
+
+#define F(X) NV_IDL_DECLS_STUB(X)
+NV_DAEMON_MODULES(F)
+NV_KERNEL_MODULES(F)
+#undef F
+
+#define F(X) NV_IDL_DECLS_DISPATCH_DAEMON(X)
+NV_DAEMON_MODULES(F)
+#undef F
+
+#define F(X) NV_IDL_DECLS_DISPATCH_KERNEL(X)
+NV_KERNEL_MODULES(F)
+#undef F
+
+/* utility functions called by stubs & dispatchers for transferring data
+ * over FIFO objects. semantics are identical to NvOsFread / NvOsFwrite */
+NvError NvIdlHelperFifoRead(void *fifo, void *ptr, size_t len, size_t *read);
+NvError NvIdlHelperFifoWrite(void *fifo, const void *ptr, size_t len);
+
+/* utility functions called by stub helpers to allocate and free FIFOs */
+NvError NvIdlHelperGetFifoPair(NvIdlFifoPair **pFifo);
+void    NvIdlHelperReleaseFifoPair(NvIdlFifoPair *pFifo);
+
+#endif