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

arch/arm/mach-tegra/nv/nvrm/dispatch/nvrm_i2c_dispatch.c

+/*
+ * 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.
+ *
+ */
+
+#define NV_IDL_IS_DISPATCH
+
+#include "nvcommon.h"
+#include "nvos.h"
+#include "nvassert.h"
+#include "nvreftrack.h"
+#include "nvidlcmd.h"
+#include "nvrm_i2c.h"
+
+#define OFFSET( s, e ) (NvU32)(void *)(&(((s*)0)->e))
+
+
+typedef struct NvRmI2cTransaction_in_t
+{
+    NvU32 package_;
+    NvU32 function_;
+    NvRmI2cHandle hI2c;
+    NvU32 I2cPinMap;
+    NvU32 WaitTimeoutInMilliSeconds;
+    NvU32 ClockSpeedKHz;
+    NvU8  * Data;
+    NvU32 DataLen;
+    NvRmI2cTransactionInfo  * Transaction;
+    NvU32 NumOfTransactions;
+} NV_ALIGN(4) NvRmI2cTransaction_in;
+
+typedef struct NvRmI2cTransaction_inout_t
+{
+    NvU32 dummy_;
+} NV_ALIGN(4) NvRmI2cTransaction_inout;
+
+typedef struct NvRmI2cTransaction_out_t
+{
+    NvError ret_;
+} NV_ALIGN(4) NvRmI2cTransaction_out;
+
+typedef struct NvRmI2cTransaction_params_t
+{
+    NvRmI2cTransaction_in in;
+    NvRmI2cTransaction_inout inout;
+    NvRmI2cTransaction_out out;
+} NvRmI2cTransaction_params;
+
+typedef struct NvRmI2cClose_in_t
+{
+    NvU32 package_;
+    NvU32 function_;
+    NvRmI2cHandle hI2c;
+} NV_ALIGN(4) NvRmI2cClose_in;
+
+typedef struct NvRmI2cClose_inout_t
+{
+    NvU32 dummy_;
+} NV_ALIGN(4) NvRmI2cClose_inout;
+
+typedef struct NvRmI2cClose_out_t
+{
+    NvU32 dummy_;
+} NV_ALIGN(4) NvRmI2cClose_out;
+
+typedef struct NvRmI2cClose_params_t
+{
+    NvRmI2cClose_in in;
+    NvRmI2cClose_inout inout;
+    NvRmI2cClose_out out;
+} NvRmI2cClose_params;
+
+typedef struct NvRmI2cOpen_in_t
+{
+    NvU32 package_;
+    NvU32 function_;
+    NvRmDeviceHandle hDevice;
+    NvU32 IoModule;
+    NvU32 instance;
+} NV_ALIGN(4) NvRmI2cOpen_in;
+
+typedef struct NvRmI2cOpen_inout_t
+{
+    NvU32 dummy_;
+} NV_ALIGN(4) NvRmI2cOpen_inout;
+
+typedef struct NvRmI2cOpen_out_t
+{
+    NvError ret_;
+    NvRmI2cHandle phI2c;
+} NV_ALIGN(4) NvRmI2cOpen_out;
+
+typedef struct NvRmI2cOpen_params_t
+{
+    NvRmI2cOpen_in in;
+    NvRmI2cOpen_inout inout;
+    NvRmI2cOpen_out out;
+} NvRmI2cOpen_params;
+
+static NvError NvRmI2cTransaction_dispatch_( void *InBuffer, NvU32 InSize, void *OutBuffer, NvU32 OutSize, NvDispatchCtx* Ctx )
+{
+    NvError err_ = NvSuccess;
+    NvRmI2cTransaction_in *p_in;
+    NvRmI2cTransaction_out *p_out;
+    NvU8  *Data = NULL;
+    NvRmI2cTransactionInfo *Transaction = NULL;
+
+    p_in = (NvRmI2cTransaction_in *)InBuffer;
+    p_out = (NvRmI2cTransaction_out *)((NvU8 *)OutBuffer + OFFSET(NvRmI2cTransaction_params, out) - OFFSET(NvRmI2cTransaction_params, inout));
+
+    if( p_in->DataLen && p_in->Data )
+    {
+        Data = (NvU8  *)NvOsAlloc( p_in->DataLen * sizeof( NvU8  ) );
+        if( !Data )
+        {
+            err_ = NvError_InsufficientMemory;
+            goto clean;
+        }
+        if( p_in->Data )
+        {
+            err_ = NvOsCopyIn( Data, p_in->Data, p_in->DataLen * sizeof( NvU8  ) );
+            if( err_ != NvSuccess )
+            {
+                err_ = NvError_BadParameter;
+                goto clean;
+            }
+        }
+    }
+    if( p_in->NumOfTransactions && p_in->Transaction )
+    {
+        Transaction = (NvRmI2cTransactionInfo  *)NvOsAlloc( p_in->NumOfTransactions * sizeof( NvRmI2cTransactionInfo  ) );
+        if( !Transaction )
+        {
+            err_ = NvError_InsufficientMemory;
+            goto clean;
+        }
+        if( p_in->Transaction )
+        {
+            err_ = NvOsCopyIn( Transaction, p_in->Transaction, p_in->NumOfTransactions * sizeof( NvRmI2cTransactionInfo  ) );
+            if( err_ != NvSuccess )
+            {
+                err_ = NvError_BadParameter;
+                goto clean;
+            }
+        }
+    }
+
+    p_out->ret_ = NvRmI2cTransaction( p_in->hI2c, p_in->I2cPinMap, p_in->WaitTimeoutInMilliSeconds, p_in->ClockSpeedKHz, Data, p_in->DataLen, Transaction, p_in->NumOfTransactions );
+
+    if(p_in->Data && Data)
+    {
+        err_ = NvOsCopyOut( p_in->Data, Data, p_in->DataLen * sizeof( NvU8  ) );
+        if( err_ != NvSuccess )
+        {
+            err_ = NvError_BadParameter;
+        }
+    }
+clean:
+    NvOsFree( Data );
+    NvOsFree( Transaction );
+    return err_;
+}
+
+static NvError NvRmI2cClose_dispatch_( void *InBuffer, NvU32 InSize, void *OutBuffer, NvU32 OutSize, NvDispatchCtx* Ctx )
+{
+    NvError err_ = NvSuccess;
+    NvRmI2cClose_in *p_in;
+
+    p_in = (NvRmI2cClose_in *)InBuffer;
+
+
+    NvRmI2cClose( p_in->hI2c );
+
+    return err_;
+}
+
+static NvError NvRmI2cOpen_dispatch_( void *InBuffer, NvU32 InSize, void *OutBuffer, NvU32 OutSize, NvDispatchCtx* Ctx )
+{
+    NvError err_ = NvSuccess;
+    NvRmI2cOpen_in *p_in;
+    NvRmI2cOpen_out *p_out;
+
+    p_in = (NvRmI2cOpen_in *)InBuffer;
+    p_out = (NvRmI2cOpen_out *)((NvU8 *)OutBuffer + OFFSET(NvRmI2cOpen_params, out) - OFFSET(NvRmI2cOpen_params, inout));
+
+
+    p_out->ret_ = NvRmI2cOpen( p_in->hDevice, p_in->IoModule, p_in->instance, &p_out->phI2c );
+
+    return err_;
+}
+
+NvError nvrm_i2c_Dispatch( NvU32 function, void *InBuffer, NvU32 InSize, void *OutBuffer, NvU32 OutSize, NvDispatchCtx* Ctx );
+NvError nvrm_i2c_Dispatch( NvU32 function, void *InBuffer, NvU32 InSize, void *OutBuffer, NvU32 OutSize, NvDispatchCtx* Ctx )
+{
+    NvError err_ = NvSuccess;
+
+    switch( function ) {
+    case 2:
+        err_ = NvRmI2cTransaction_dispatch_( InBuffer, InSize, OutBuffer, OutSize, Ctx );
+        break;
+    case 1:
+        err_ = NvRmI2cClose_dispatch_( InBuffer, InSize, OutBuffer, OutSize, Ctx );
+        break;
+    case 0:
+        err_ = NvRmI2cOpen_dispatch_( InBuffer, InSize, OutBuffer, OutSize, Ctx );
+        break;
+    default:
+        err_ = NvError_BadParameter;
+        break;
+    }
+
+    return err_;
+}