1 files changed, 126 insertions, 0 deletions
diff --git a/arch/arm/plat-mxc/sdma/iapi/include/iapiDefaults.h b/arch/arm/plat-mxc/sdma/iapi/include/iapiDefaults.h
new file mode 100644
index 000000000000..6ce00b8da5bb
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+++ b/arch/arm/plat-mxc/sdma/iapi/include/iapiDefaults.h
@@ -0,0 +1,126 @@
+/******************************************************************************
+ *
+ * Copyright 2007-2010 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ ******************************************************************************
+ *
+ * File: iapiDefaults.h
+ *
+ * $Id iapiDefaults.h $
+ *
+ * Description:
+ *  This library is written in C to guarantee functionality and integrity in
+ * the usage of SDMA virtual DMA channels. This API (Application Programming
+ * Interface)  allow SDMA channels' access in an OPEN, READ, WRITE, CLOSE
+ * fashion.
+ *
+ *
+ *
+ *
+ * $Log iapiDefaults.h $
+ *
+ *****************************************************************************/
+
+#ifndef _iapi_defaults_h
+#define _iapi_defaults_h
+
+/******************************************************************************
+ * Include File Section
+ *****************************************************************************/
+#include "epm.h"
+#include "sdmaStruct.h"
+
+/* ****************************************************************************
+ * Macro-command Section
+ * ***************************************************************************/
+
+/**
+ * Error codes
+ * lower 5 bits free to include channel number when available
+ * and bit number 6 must be set when channel number is available
+ *
+ * Note :
+ * 1) Abbreviations / naming convention :
+ *    - BD  : Buffer Descriptor
+ *    - CC  : Channel Context
+ *    - CCB : Channel Control Block
+ *    - CD  : Channel Descriptor
+ *    - B   : Buffer
+ *    - CH  : Channel
+ *
+ */
+#define IAPI_SUCCESS 0
+#define IAPI_FAILURE -1
+#define IAPI_ERR_CH_AVAILABLE          0x00020
+#define IAPI_ERR_NO_ERROR              0x00000
+#define IAPI_ERR_NO_CCB_DEFINED        0x01000
+#define IAPI_ERR_BD_UNINITIALIZED      0x02000
+#define IAPI_ERR_BD_ALLOCATED          0x03000
+#define IAPI_ERR_BD_ALLOCATION         0x04000
+#define IAPI_ERR_CCB_ALLOC_FAILED      0x05000
+#define IAPI_ERR_CCB_UNINITIALIZED     0x06000
+#define IAPI_ERR_CC_ALREADY_DEFINED    0x07000
+#define IAPI_ERR_CC_ALLOC_FAILED       0x08000
+#define IAPI_ERR_CD_ALREADY_DEFINED    0x09000
+#define IAPI_ERR_CD_ALLOC_FAILED       0x0A000
+#define IAPI_ERR_CD_CHANGE_CH_NUMBER   0x0B000
+#define IAPI_ERR_CD_CHANGE_CCB_PTR     0x0C000
+#define IAPI_ERR_CD_CHANGE_UNKNOWN     0x0D000
+#define IAPI_ERR_CD_CHANGE             0x0E000
+#define IAPI_ERR_CD_UNINITIALIZED      0x0F000
+#define IAPI_ERR_CLOSE                 0x10000
+#define IAPI_ERR_B_ALLOC_FAILED        0x11000
+#define IAPI_ERR_CONFIG_OVERRIDE       0x12000
+#define IAPI_ERR_CH_IN_USE             0x13000
+#define IAPI_ERR_CALLBACKSYNCH_UNKNOWN 0x14000
+#define IAPI_ERR_INVALID_PARAMETER     0x15000
+#define IAPI_ERR_TRUST                 0x16000
+#define IAPI_ERR_CHANNEL_UNINITIALIZED 0x17000
+#define IAPI_ERR_RROR_BIT_READ         0x18000
+#define IAPI_ERR_RROR_BIT_WRITE        0x19000
+#define IAPI_ERR_NOT_ALLOWED           0x1A000
+#define IAPI_ERR_NO_OS_FN              0x1B000
+
+/*
+ * Global Variable Section
+ */
+
+/*
+ * Table to hold pointers to the callback functions registered by the users of
+ *I.API
+ */
+extern void (*callbackIsrTable[CH_NUM]) (channelDescriptor * cd_p, void *arg);
+
+/*
+ * Table to hold user registered data pointers, to be privided in the callback
+ *function
+ */
+extern void *userArgTable[CH_NUM];
+
+/* channelDescriptor data structure filled with default data*/
+extern channelDescriptor iapi_ChannelDefaults;
+
+/* Global variable to hold the last error encountered in I.API operations*/
+extern unsigned int iapi_errno;
+
+/* Used in synchronization, to mark started channels*/
+extern volatile unsigned long iapi_SDMAIntr;
+
+/* Hold a pointer to the start of the CCB array, to be used in the IRQ routine
+ *to find the channel descriptor for the channed sending the interrupt to the
+ *core.
+ */
+extern channelControlBlock *iapi_CCBHead;
+
+/* configs_data structure filled with default data*/
+extern configs_data iapi_ConfigDefaults;
+
+#endif				/* iapiDefaults_h */