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Unified Diff: arch/arm/mach-tegra/nv/nvrm/dispatch/nvrm_spi_dispatch.c

Issue 3256004: [ARM] tegra: add nvos/nvrm/nvmap drivers (Closed) Base URL: ssh://git@gitrw.chromium.org/kernel.git
Patch Set: remove ap15 headers Created 10 years, 4 months ago
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Index: arch/arm/mach-tegra/nv/nvrm/dispatch/nvrm_spi_dispatch.c
diff --git a/arch/arm/mach-tegra/nv/nvrm/dispatch/nvrm_spi_dispatch.c b/arch/arm/mach-tegra/nv/nvrm/dispatch/nvrm_spi_dispatch.c
new file mode 100644
index 0000000000000000000000000000000000000000..8581343518f536862adc8366371cee8a35e74d20
--- /dev/null
+++ b/arch/arm/mach-tegra/nv/nvrm/dispatch/nvrm_spi_dispatch.c
@@ -0,0 +1,407 @@
+/*
+ * 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_spi.h"
+
+#define OFFSET( s, e ) (NvU32)(void *)(&(((s*)0)->e))
+
+
+typedef struct NvRmSpiSetSignalMode_in_t
+{
+ NvU32 package_;
+ NvU32 function_;
+ NvRmSpiHandle hRmSpi;
+ NvU32 ChipSelectId;
+ NvU32 SpiSignalMode;
+} NV_ALIGN(4) NvRmSpiSetSignalMode_in;
+
+typedef struct NvRmSpiSetSignalMode_inout_t
+{
+ NvU32 dummy_;
+} NV_ALIGN(4) NvRmSpiSetSignalMode_inout;
+
+typedef struct NvRmSpiSetSignalMode_out_t
+{
+ NvU32 dummy_;
+} NV_ALIGN(4) NvRmSpiSetSignalMode_out;
+
+typedef struct NvRmSpiSetSignalMode_params_t
+{
+ NvRmSpiSetSignalMode_in in;
+ NvRmSpiSetSignalMode_inout inout;
+ NvRmSpiSetSignalMode_out out;
+} NvRmSpiSetSignalMode_params;
+
+typedef struct NvRmSpiGetTransactionData_in_t
+{
+ NvU32 package_;
+ NvU32 function_;
+ NvRmSpiHandle hRmSpi;
+ NvU8 * pReadBuffer;
+ NvU32 BytesRequested;
+ NvU32 WaitTimeout;
+} NV_ALIGN(4) NvRmSpiGetTransactionData_in;
+
+typedef struct NvRmSpiGetTransactionData_inout_t
+{
+ NvU32 dummy_;
+} NV_ALIGN(4) NvRmSpiGetTransactionData_inout;
+
+typedef struct NvRmSpiGetTransactionData_out_t
+{
+ NvError ret_;
+ NvU32 pBytesTransfererd;
+} NV_ALIGN(4) NvRmSpiGetTransactionData_out;
+
+typedef struct NvRmSpiGetTransactionData_params_t
+{
+ NvRmSpiGetTransactionData_in in;
+ NvRmSpiGetTransactionData_inout inout;
+ NvRmSpiGetTransactionData_out out;
+} NvRmSpiGetTransactionData_params;
+
+typedef struct NvRmSpiStartTransaction_in_t
+{
+ NvU32 package_;
+ NvU32 function_;
+ NvRmSpiHandle hRmSpi;
+ NvU32 ChipSelectId;
+ NvU32 ClockSpeedInKHz;
+ NvBool IsReadTransfer;
+ NvU8 * pWriteBuffer;
+ NvU32 BytesRequested;
+ NvU32 PacketSizeInBits;
+} NV_ALIGN(4) NvRmSpiStartTransaction_in;
+
+typedef struct NvRmSpiStartTransaction_inout_t
+{
+ NvU32 dummy_;
+} NV_ALIGN(4) NvRmSpiStartTransaction_inout;
+
+typedef struct NvRmSpiStartTransaction_out_t
+{
+ NvError ret_;
+} NV_ALIGN(4) NvRmSpiStartTransaction_out;
+
+typedef struct NvRmSpiStartTransaction_params_t
+{
+ NvRmSpiStartTransaction_in in;
+ NvRmSpiStartTransaction_inout inout;
+ NvRmSpiStartTransaction_out out;
+} NvRmSpiStartTransaction_params;
+
+typedef struct NvRmSpiTransaction_in_t
+{
+ NvU32 package_;
+ NvU32 function_;
+ NvRmSpiHandle hRmSpi;
+ NvU32 SpiPinMap;
+ NvU32 ChipSelectId;
+ NvU32 ClockSpeedInKHz;
+ NvU8 * pReadBuffer;
+ NvU8 * pWriteBuffer;
+ NvU32 BytesRequested;
+ NvU32 PacketSizeInBits;
+} NV_ALIGN(4) NvRmSpiTransaction_in;
+
+typedef struct NvRmSpiTransaction_inout_t
+{
+ NvU32 dummy_;
+} NV_ALIGN(4) NvRmSpiTransaction_inout;
+
+typedef struct NvRmSpiTransaction_out_t
+{
+ NvU32 dummy_;
+} NV_ALIGN(4) NvRmSpiTransaction_out;
+
+typedef struct NvRmSpiTransaction_params_t
+{
+ NvRmSpiTransaction_in in;
+ NvRmSpiTransaction_inout inout;
+ NvRmSpiTransaction_out out;
+} NvRmSpiTransaction_params;
+
+typedef struct NvRmSpiClose_in_t
+{
+ NvU32 package_;
+ NvU32 function_;
+ NvRmSpiHandle hRmSpi;
+} NV_ALIGN(4) NvRmSpiClose_in;
+
+typedef struct NvRmSpiClose_inout_t
+{
+ NvU32 dummy_;
+} NV_ALIGN(4) NvRmSpiClose_inout;
+
+typedef struct NvRmSpiClose_out_t
+{
+ NvU32 dummy_;
+} NV_ALIGN(4) NvRmSpiClose_out;
+
+typedef struct NvRmSpiClose_params_t
+{
+ NvRmSpiClose_in in;
+ NvRmSpiClose_inout inout;
+ NvRmSpiClose_out out;
+} NvRmSpiClose_params;
+
+typedef struct NvRmSpiOpen_in_t
+{
+ NvU32 package_;
+ NvU32 function_;
+ NvRmDeviceHandle hRmDevice;
+ NvU32 IoModule;
+ NvU32 InstanceId;
+ NvBool IsMasterMode;
+} NV_ALIGN(4) NvRmSpiOpen_in;
+
+typedef struct NvRmSpiOpen_inout_t
+{
+ NvU32 dummy_;
+} NV_ALIGN(4) NvRmSpiOpen_inout;
+
+typedef struct NvRmSpiOpen_out_t
+{
+ NvError ret_;
+ NvRmSpiHandle phRmSpi;
+} NV_ALIGN(4) NvRmSpiOpen_out;
+
+typedef struct NvRmSpiOpen_params_t
+{
+ NvRmSpiOpen_in in;
+ NvRmSpiOpen_inout inout;
+ NvRmSpiOpen_out out;
+} NvRmSpiOpen_params;
+
+static NvError NvRmSpiSetSignalMode_dispatch_( void *InBuffer, NvU32 InSize, void *OutBuffer, NvU32 OutSize, NvDispatchCtx* Ctx )
+{
+ NvError err_ = NvSuccess;
+ NvRmSpiSetSignalMode_in *p_in;
+
+ p_in = (NvRmSpiSetSignalMode_in *)InBuffer;
+
+
+ NvRmSpiSetSignalMode( p_in->hRmSpi, p_in->ChipSelectId, p_in->SpiSignalMode );
+
+ return err_;
+}
+
+static NvError NvRmSpiGetTransactionData_dispatch_( void *InBuffer, NvU32 InSize, void *OutBuffer, NvU32 OutSize, NvDispatchCtx* Ctx )
+{
+ NvError err_ = NvSuccess;
+ NvRmSpiGetTransactionData_in *p_in;
+ NvRmSpiGetTransactionData_out *p_out;
+ NvU8 *pReadBuffer = NULL;
+
+ p_in = (NvRmSpiGetTransactionData_in *)InBuffer;
+ p_out = (NvRmSpiGetTransactionData_out *)((NvU8 *)OutBuffer + OFFSET(NvRmSpiGetTransactionData_params, out) - OFFSET(NvRmSpiGetTransactionData_params, inout));
+
+ if( p_in->BytesRequested && p_in->pReadBuffer )
+ {
+ pReadBuffer = (NvU8 *)NvOsAlloc( p_in->BytesRequested * sizeof( NvU8 ) );
+ if( !pReadBuffer )
+ {
+ err_ = NvError_InsufficientMemory;
+ goto clean;
+ }
+ }
+
+ p_out->ret_ = NvRmSpiGetTransactionData( p_in->hRmSpi, pReadBuffer, p_in->BytesRequested, &p_out->pBytesTransfererd, p_in->WaitTimeout );
+
+ if(p_in->pReadBuffer && pReadBuffer)
+ {
+ err_ = NvOsCopyOut( p_in->pReadBuffer, pReadBuffer, p_in->BytesRequested * sizeof( NvU8 ) );
+ if( err_ != NvSuccess )
+ {
+ err_ = NvError_BadParameter;
+ }
+ }
+clean:
+ NvOsFree( pReadBuffer );
+ return err_;
+}
+
+static NvError NvRmSpiStartTransaction_dispatch_( void *InBuffer, NvU32 InSize, void *OutBuffer, NvU32 OutSize, NvDispatchCtx* Ctx )
+{
+ NvError err_ = NvSuccess;
+ NvRmSpiStartTransaction_in *p_in;
+ NvRmSpiStartTransaction_out *p_out;
+ NvU8 *pWriteBuffer = NULL;
+
+ p_in = (NvRmSpiStartTransaction_in *)InBuffer;
+ p_out = (NvRmSpiStartTransaction_out *)((NvU8 *)OutBuffer + OFFSET(NvRmSpiStartTransaction_params, out) - OFFSET(NvRmSpiStartTransaction_params, inout));
+
+ if( p_in->BytesRequested && p_in->pWriteBuffer )
+ {
+ pWriteBuffer = (NvU8 *)NvOsAlloc( p_in->BytesRequested * sizeof( NvU8 ) );
+ if( !pWriteBuffer )
+ {
+ err_ = NvError_InsufficientMemory;
+ goto clean;
+ }
+ if( p_in->pWriteBuffer )
+ {
+ err_ = NvOsCopyIn( pWriteBuffer, p_in->pWriteBuffer, p_in->BytesRequested * sizeof( NvU8 ) );
+ if( err_ != NvSuccess )
+ {
+ err_ = NvError_BadParameter;
+ goto clean;
+ }
+ }
+ }
+
+ p_out->ret_ = NvRmSpiStartTransaction( p_in->hRmSpi, p_in->ChipSelectId, p_in->ClockSpeedInKHz, p_in->IsReadTransfer, pWriteBuffer, p_in->BytesRequested, p_in->PacketSizeInBits );
+
+clean:
+ NvOsFree( pWriteBuffer );
+ return err_;
+}
+
+static NvError NvRmSpiTransaction_dispatch_( void *InBuffer, NvU32 InSize, void *OutBuffer, NvU32 OutSize, NvDispatchCtx* Ctx )
+{
+ NvError err_ = NvSuccess;
+ NvRmSpiTransaction_in *p_in;
+ NvU8 *pReadBuffer = NULL;
+ NvU8 *pWriteBuffer = NULL;
+
+ p_in = (NvRmSpiTransaction_in *)InBuffer;
+
+ if( p_in->BytesRequested && p_in->pReadBuffer )
+ {
+ pReadBuffer = (NvU8 *)NvOsAlloc( p_in->BytesRequested * sizeof( NvU8 ) );
+ if( !pReadBuffer )
+ {
+ err_ = NvError_InsufficientMemory;
+ goto clean;
+ }
+ }
+ if( p_in->BytesRequested && p_in->pWriteBuffer )
+ {
+ pWriteBuffer = (NvU8 *)NvOsAlloc( p_in->BytesRequested * sizeof( NvU8 ) );
+ if( !pWriteBuffer )
+ {
+ err_ = NvError_InsufficientMemory;
+ goto clean;
+ }
+ if( p_in->pWriteBuffer )
+ {
+ err_ = NvOsCopyIn( pWriteBuffer, p_in->pWriteBuffer, p_in->BytesRequested * sizeof( NvU8 ) );
+ if( err_ != NvSuccess )
+ {
+ err_ = NvError_BadParameter;
+ goto clean;
+ }
+ }
+ }
+
+ NvRmSpiTransaction( p_in->hRmSpi, p_in->SpiPinMap, p_in->ChipSelectId, p_in->ClockSpeedInKHz, pReadBuffer, pWriteBuffer, p_in->BytesRequested, p_in->PacketSizeInBits );
+
+ if(p_in->pReadBuffer && pReadBuffer)
+ {
+ err_ = NvOsCopyOut( p_in->pReadBuffer, pReadBuffer, p_in->BytesRequested * sizeof( NvU8 ) );
+ if( err_ != NvSuccess )
+ {
+ err_ = NvError_BadParameter;
+ }
+ }
+clean:
+ NvOsFree( pReadBuffer );
+ NvOsFree( pWriteBuffer );
+ return err_;
+}
+
+static NvError NvRmSpiClose_dispatch_( void *InBuffer, NvU32 InSize, void *OutBuffer, NvU32 OutSize, NvDispatchCtx* Ctx )
+{
+ NvError err_ = NvSuccess;
+ NvRmSpiClose_in *p_in;
+
+ p_in = (NvRmSpiClose_in *)InBuffer;
+
+
+ NvRmSpiClose( p_in->hRmSpi );
+
+ return err_;
+}
+
+static NvError NvRmSpiOpen_dispatch_( void *InBuffer, NvU32 InSize, void *OutBuffer, NvU32 OutSize, NvDispatchCtx* Ctx )
+{
+ NvError err_ = NvSuccess;
+ NvRmSpiOpen_in *p_in;
+ NvRmSpiOpen_out *p_out;
+
+ p_in = (NvRmSpiOpen_in *)InBuffer;
+ p_out = (NvRmSpiOpen_out *)((NvU8 *)OutBuffer + OFFSET(NvRmSpiOpen_params, out) - OFFSET(NvRmSpiOpen_params, inout));
+
+
+ p_out->ret_ = NvRmSpiOpen( p_in->hRmDevice, p_in->IoModule, p_in->InstanceId, p_in->IsMasterMode, &p_out->phRmSpi );
+
+ return err_;
+}
+
+NvError nvrm_spi_Dispatch( NvU32 function, void *InBuffer, NvU32 InSize, void *OutBuffer, NvU32 OutSize, NvDispatchCtx* Ctx );
+NvError nvrm_spi_Dispatch( NvU32 function, void *InBuffer, NvU32 InSize, void *OutBuffer, NvU32 OutSize, NvDispatchCtx* Ctx )
+{
+ NvError err_ = NvSuccess;
+
+ switch( function ) {
+ case 5:
+ err_ = NvRmSpiSetSignalMode_dispatch_( InBuffer, InSize, OutBuffer, OutSize, Ctx );
+ break;
+ case 4:
+ err_ = NvRmSpiGetTransactionData_dispatch_( InBuffer, InSize, OutBuffer, OutSize, Ctx );
+ break;
+ case 3:
+ err_ = NvRmSpiStartTransaction_dispatch_( InBuffer, InSize, OutBuffer, OutSize, Ctx );
+ break;
+ case 2:
+ err_ = NvRmSpiTransaction_dispatch_( InBuffer, InSize, OutBuffer, OutSize, Ctx );
+ break;
+ case 1:
+ err_ = NvRmSpiClose_dispatch_( InBuffer, InSize, OutBuffer, OutSize, Ctx );
+ break;
+ case 0:
+ err_ = NvRmSpiOpen_dispatch_( InBuffer, InSize, OutBuffer, OutSize, Ctx );
+ break;
+ default:
+ err_ = NvError_BadParameter;
+ break;
+ }
+
+ return err_;
+}

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