11 files changed, 1304 insertions, 0 deletions
diff --git a/arch/arm/plat-mxc/sdma/iapi/include/epm.h b/arch/arm/plat-mxc/sdma/iapi/include/epm.h
new file mode 100644
index 000000000000..f9c3a9022b27
--- /dev/null
+++ b/arch/arm/plat-mxc/sdma/iapi/include/epm.h
@@ -0,0 +1,188 @@
+/*
+ * Copyright (C) 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
+ */
+
+#ifndef __ASM_ARCH_MXC_SDMA_REGS_H__
+#define __ASM_ARCH_MXC_SDMA_REGS_H__
+
+#include <mach/hardware.h>
+
+/* SDMA Reg definition */
+extern void __iomem *sdma_base;
+#define SDMA_BASE_IO_ADDR (sdma_base)
+
+#define SDMA_H_C0PTR            *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x000))
+#define SDMA_H_INTR             *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x004))
+#define SDMA_H_STATSTOP         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x008))
+#define SDMA_H_START            *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x00C))
+#define SDMA_H_EVTOVR           *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x010))
+#define SDMA_H_DSPOVR           *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x014))
+#define SDMA_H_HOSTOVR          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x018))
+#define SDMA_H_EVTPEND          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x01C))
+#define SDMA_H_DSPENBL          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x020))
+#define SDMA_H_RESET            *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x024))
+#define SDMA_H_EVTERR           *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x028))
+#define SDMA_H_INTRMSK          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x02C))
+#define SDMA_H_PSW              *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x030))
+#define SDMA_H_EVTERRDBG        *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x034))
+#define SDMA_H_CONFIG           *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x038))
+#define SDMA_ONCE_ENB           *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x040))
+#define SDMA_ONCE_DATA          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x044))
+#define SDMA_ONCE_INSTR         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x048))
+#define SDMA_ONCE_STAT          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x04C))
+#define SDMA_ONCE_CMD           *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x050))
+#define SDMA_EVT_MIRROR         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x054))
+#define SDMA_ILLINSTADDR        *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x058))
+#define SDMA_CHN0ADDR           *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x05C))
+#define SDMA_ONCE_RTB           *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x060))
+#define SDMA_XTRIG_CONF1        *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x070))
+#define SDMA_XTRIG_CONF2        *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x074))
+
+#ifdef MXC_SDMA_V2
+#define SDMA_CHNENBL_0          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x200))
+#define SDMA_CHNENBL_1          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x204))
+#define SDMA_CHNENBL_2          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x208))
+#define SDMA_CHNENBL_3          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x20C))
+#define SDMA_CHNENBL_4          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x210))
+#define SDMA_CHNENBL_5          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x214))
+#define SDMA_CHNENBL_6          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x218))
+#define SDMA_CHNENBL_7          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x21C))
+#define SDMA_CHNENBL_8          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x220))
+#define SDMA_CHNENBL_9          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x224))
+#define SDMA_CHNENBL_10         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x228))
+#define SDMA_CHNENBL_11         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x22C))
+#define SDMA_CHNENBL_12         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x230))
+#define SDMA_CHNENBL_13         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x234))
+#define SDMA_CHNENBL_14         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x238))
+#define SDMA_CHNENBL_15         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x23C))
+#define SDMA_CHNENBL_16         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x240))
+#define SDMA_CHNENBL_17         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x244))
+#define SDMA_CHNENBL_18         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x248))
+#define SDMA_CHNENBL_19         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x24C))
+#define SDMA_CHNENBL_20         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x250))
+#define SDMA_CHNENBL_21         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x254))
+#define SDMA_CHNENBL_22         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x258))
+#define SDMA_CHNENBL_23         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x25C))
+#define SDMA_CHNENBL_24         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x260))
+#define SDMA_CHNENBL_25         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x264))
+#define SDMA_CHNENBL_26         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x268))
+#define SDMA_CHNENBL_27         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x26C))
+#define SDMA_CHNENBL_28         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x270))
+#define SDMA_CHNENBL_29         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x274))
+#define SDMA_CHNENBL_30         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x278))
+#define SDMA_CHNENBL_31         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x27C))
+#define SDMA_CHNENBL_32         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x280))
+#define SDMA_CHNENBL_33         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x284))
+#define SDMA_CHNENBL_34         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x288))
+#define SDMA_CHNENBL_35         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x28C))
+#define SDMA_CHNENBL_36         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x290))
+#define SDMA_CHNENBL_37         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x294))
+#define SDMA_CHNENBL_38         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x298))
+#define SDMA_CHNENBL_39         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x29C))
+#define SDMA_CHNENBL_40         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x2A0))
+#define SDMA_CHNENBL_41         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x2A4))
+#define SDMA_CHNENBL_42         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x2A8))
+#define SDMA_CHNENBL_43         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x2AC))
+#define SDMA_CHNENBL_44         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x2B0))
+#define SDMA_CHNENBL_45         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x2B4))
+#define SDMA_CHNENBL_46         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x2B8))
+#define SDMA_CHNENBL_47         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x2BC))
+
+#define SDMA_ONCE_COUNT         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x300))
+#define SDMA_ONCE_ECTL          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x304))
+#define SDMA_ONCE_EAA           *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x308))
+#define SDMA_ONCE_EAB           *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x30C))
+#define SDMA_ONCE_EAM           *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x310))
+#define SDMA_ONCE_ED            *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x314))
+#define SDMA_ONCE_EDM           *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x318))
+#define SDMA_ONCE_PCMATCH       *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x31C))
+
+#else
+
+#define SDMA_CHNENBL_0          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x080))
+#define SDMA_CHNENBL_1          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x084))
+#define SDMA_CHNENBL_2          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x088))
+#define SDMA_CHNENBL_3          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x08C))
+#define SDMA_CHNENBL_4          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x090))
+#define SDMA_CHNENBL_5          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x094))
+#define SDMA_CHNENBL_6          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x098))
+#define SDMA_CHNENBL_7          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x09C))
+#define SDMA_CHNENBL_8          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x0A0))
+#define SDMA_CHNENBL_9          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x0A4))
+#define SDMA_CHNENBL_10         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x0A8))
+#define SDMA_CHNENBL_11         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x0AC))
+#define SDMA_CHNENBL_12         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x0B0))
+#define SDMA_CHNENBL_13         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x0B4))
+#define SDMA_CHNENBL_14         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x0B8))
+#define SDMA_CHNENBL_15         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x0BC))
+#define SDMA_CHNENBL_16         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x0C0))
+#define SDMA_CHNENBL_17         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x0C4))
+#define SDMA_CHNENBL_18         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x0C8))
+#define SDMA_CHNENBL_19         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x0CC))
+#define SDMA_CHNENBL_20         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x0D0))
+#define SDMA_CHNENBL_21         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x0D4))
+#define SDMA_CHNENBL_22         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x0D8))
+#define SDMA_CHNENBL_23         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x0DC))
+#define SDMA_CHNENBL_24         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x0E0))
+#define SDMA_CHNENBL_25         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x0E4))
+#define SDMA_CHNENBL_26         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x0E8))
+#define SDMA_CHNENBL_27         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x0EC))
+#define SDMA_CHNENBL_28         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x0F0))
+#define SDMA_CHNENBL_29         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x0F4))
+#define SDMA_CHNENBL_30         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x0F8))
+#define SDMA_CHNENBL_31         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x0FC))
+
+#define SDMA_ONCE_COUNT         *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x200))
+#define SDMA_ONCE_ECTL          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x204))
+#define SDMA_ONCE_EAA           *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x208))
+#define SDMA_ONCE_EAB           *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x20C))
+#define SDMA_ONCE_EAM           *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x210))
+#define SDMA_ONCE_ED            *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x214))
+#define SDMA_ONCE_EDM           *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x218))
+#define SDMA_ONCE_PCMATCH       *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x21C))
+
+#endif /* MXC_SDMA_V2 */
+
+#define SDMA_CHNPRI_0           *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x100))
+#define SDMA_CHNPRI_1           *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x104))
+#define SDMA_CHNPRI_2           *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x108))
+#define SDMA_CHNPRI_3           *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x10C))
+#define SDMA_CHNPRI_4           *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x110))
+#define SDMA_CHNPRI_5           *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x114))
+#define SDMA_CHNPRI_6           *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x118))
+#define SDMA_CHNPRI_7           *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x11C))
+#define SDMA_CHNPRI_8           *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x120))
+#define SDMA_CHNPRI_9           *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x124))
+#define SDMA_CHNPRI_10          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x128))
+#define SDMA_CHNPRI_11          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x12C))
+#define SDMA_CHNPRI_12          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x130))
+#define SDMA_CHNPRI_13          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x134))
+#define SDMA_CHNPRI_14          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x138))
+#define SDMA_CHNPRI_15          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x13C))
+#define SDMA_CHNPRI_16          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x140))
+#define SDMA_CHNPRI_17          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x144))
+#define SDMA_CHNPRI_18          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x148))
+#define SDMA_CHNPRI_19          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x14C))
+#define SDMA_CHNPRI_20          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x150))
+#define SDMA_CHNPRI_21          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x154))
+#define SDMA_CHNPRI_22          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x158))
+#define SDMA_CHNPRI_23          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x15C))
+#define SDMA_CHNPRI_24          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x160))
+#define SDMA_CHNPRI_25          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x164))
+#define SDMA_CHNPRI_26          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x168))
+#define SDMA_CHNPRI_27          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x16C))
+#define SDMA_CHNPRI_28          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x170))
+#define SDMA_CHNPRI_29          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x174))
+#define SDMA_CHNPRI_30          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x178))
+#define SDMA_CHNPRI_31          *((volatile unsigned long *)(SDMA_BASE_IO_ADDR + 0x17C))
+
+#endif /* _mcuEpm_h */
diff --git a/arch/arm/plat-mxc/sdma/iapi/include/iapi.h b/arch/arm/plat-mxc/sdma/iapi/include/iapi.h
new file mode 100644
index 000000000000..d7300218057b
--- /dev/null
+++ b/arch/arm/plat-mxc/sdma/iapi/include/iapi.h
@@ -0,0 +1,49 @@
+/******************************************************************************
+ *
+ * Copyright 2007 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: iapi.h
+ *
+ * $Id iapi.h $
+ *
+ * Description:
+ *  Unique include for the whole IAPI library.
+ *
+ *
+ *  http//compass.mot.com/go/115342679
+ *
+ * $Log iapi.h $
+ *
+ * ***************************************************************************/
+
+#ifndef _iapi_h
+#define _iapi_h
+
+/* ****************************************************************************
+ * Include File Section
+ * ***************************************************************************/
+
+#include "sdmaStruct.h"
+#include "iapiDefaults.h"
+#include "iapiLow.h"
+#include "iapiMiddle.h"
+#include "iapiHigh.h"
+
+#ifdef MCU
+#include "iapiLowMcu.h"
+#include "iapiMiddleMcu.h"
+#endif /* MCU */
+
+
+
+#endif /* _iapi_h */
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..b03a53ae1893
--- /dev/null
+++ b/arch/arm/plat-mxc/sdma/iapi/include/iapiDefaults.h
@@ -0,0 +1,128 @@
+/******************************************************************************
+ *
+ * Copyright 2007 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 */
diff --git a/arch/arm/plat-mxc/sdma/iapi/include/iapiHigh.h b/arch/arm/plat-mxc/sdma/iapi/include/iapiHigh.h
new file mode 100644
index 000000000000..14cfae539eb8
--- /dev/null
+++ b/arch/arm/plat-mxc/sdma/iapi/include/iapiHigh.h
@@ -0,0 +1,136 @@
+/******************************************************************************
+ *
+ * Copyright 2007 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: iapiHigh.h
+ *
+ * $Id iapiHigh.h $
+ *
+ * Description:
+ *  prototypes for high level function of I.API
+ *
+ *
+ *  http://venerque.sps.mot.com/pjt/sfs/www/iapi/softsim_api.pdf
+ *
+ * $Log iapiHigh.h
+ *
+ * ***************************************************************************/
+
+#ifndef _iapiHigh_h
+#define _iapiHigh_h
+
+/* ****************************************************************************
+ * Include File Section
+ *****************************************************************************/
+#include "sdmaStruct.h"
+
+/* ****************************************************************************
+ * Macro-command Section
+ *****************************************************************************/
+enum {
+  IAPI_CHANGE_CHANDESC,
+  IAPI_CHANGE_BDNUM,
+  IAPI_CHANGE_BUFFSIZE,
+  IAPI_CHANGE_CHANBLOCK,
+  IAPI_CHANGE_INSTANCE,
+  IAPI_CHANGE_OWNERSHIP,
+  IAPI_CHANGE_SYNCH,
+  IAPI_CHANGE_TRUST,
+  IAPI_CHANGE_CALLBACKFUNC,
+  IAPI_CHANGE_CHANCCB,
+  IAPI_CHANGE_PRIORITY,
+  IAPI_CHANGE_BDWRAP,
+  IAPI_CHANGE_WATERMARK,
+  IAPI_CHANGE_SET_BDCONT,
+  IAPI_CHANGE_UNSET_BDCONT,
+  IAPI_CHANGE_SET_BDEXTD,
+  IAPI_CHANGE_UNSET_BDEXTD,
+  IAPI_CHANGE_EVTMASK1,
+  IAPI_CHANGE_EVTMASK2,
+  IAPI_CHANGE_PERIPHADDR,
+  IAPI_CHANGE_SET_BDINTR,
+  IAPI_CHANGE_UNSET_BDINTR,
+  IAPI_CHANGE_SET_TRANSFER_CD,
+  IAPI_CHANGE_FORCE_CLOSE,
+  IAPI_CHANGE_SET_TRANSFER,
+  IAPI_CHANGE_USER_ARG,
+  IAPI_CHANGE_SET_BUFFERADDR,
+  IAPI_CHANGE_SET_EXTDBUFFERADDR,
+  IAPI_CHANGE_SET_COMMAND,
+  IAPI_CHANGE_SET_COUNT,
+  IAPI_CHANGE_SET_STATUS,
+  IAPI_CHANGE_GET_BUFFERADDR,
+  IAPI_CHANGE_GET_EXTDBUFFERADDR,
+  IAPI_CHANGE_GET_COMMAND,
+  IAPI_CHANGE_GET_COUNT,
+  IAPI_CHANGE_GET_STATUS,
+  IAPI_CHANGE_SET_ENDIANNESS
+};
+
+
+/*
+ * Public Function Prototype Section
+ */
+int iapi_Open ( channelDescriptor * cd_p, unsigned char channelNumber );
+int iapi_Close( channelDescriptor * cd_p );
+int iapi_Read ( channelDescriptor * cd_p, void * buf, unsigned short nbyte );
+int iapi_Write( channelDescriptor * cd_p, void * buf, unsigned short nbyte );
+int iapi_MemCopy(channelDescriptor * cd_p, void* dest, void* src,
+                 unsigned long size);
+int iapi_IoCtl( channelDescriptor * cd_p, unsigned long ctlRequest,
+				unsigned long param);
+
+
+int iapi_Read_ipcv2( channelDescriptor * cd_p, void * data_control_struct_ipcv2);
+
+int iapi_Write_ipcv2( channelDescriptor * cd_p, void * data_control_struct_ipcv2);
+
+#ifdef MCU
+int iapi_Init(channelDescriptor * cd_p, configs_data * config_p,
+              unsigned short* ram_image, unsigned short code_size,
+              unsigned long start_addr);
+#endif /* MCU */
+#ifdef DSP
+int iapi_Init(channelDescriptor * cd_p);
+#endif /* DSP */
+
+int iapi_StartChannel(unsigned char channel);
+int iapi_StopChannel(unsigned char channel);
+int iapi_SynchChannel(unsigned char channel);
+
+int iapi_GetChannelNumber(channelDescriptor * cd_p);
+unsigned long iapi_GetError(channelDescriptor * cd_p);
+int iapi_GetCount(channelDescriptor * cd_p);
+int iapi_GetCountAll(channelDescriptor * cd_p);
+
+#ifndef IRQ_KEYWORD
+#define IRQ_KEYWORD
+#endif /* IRQ_KEYWORD */
+
+IRQ_KEYWORD void IRQ_Handler(void);
+
+#ifdef MCU
+int iapi_GetScript(channelDescriptor * cd_p, void * buf, unsigned short size,
+                    unsigned long address);
+int iapi_GetContext(channelDescriptor * cd_p, void * buf,
+                     unsigned char channel);
+int iapi_SetScript(channelDescriptor * cd_p, void * buf, unsigned short nbyte,
+                     unsigned long destAddr);
+int iapi_SetContext(channelDescriptor * cd_p, void * buf,
+                     unsigned char channel);
+int iapi_AssignScript(channelDescriptor * cd_p, script_data * data_p);
+
+int iapi_SetChannelEventMapping(unsigned char event, unsigned long channel_map);
+#endif /* MCU */
+
+#endif /* _iapiHigh_h */
diff --git a/arch/arm/plat-mxc/sdma/iapi/include/iapiLow.h b/arch/arm/plat-mxc/sdma/iapi/include/iapiLow.h
new file mode 100644
index 000000000000..43aff7a4e903
--- /dev/null
+++ b/arch/arm/plat-mxc/sdma/iapi/include/iapiLow.h
@@ -0,0 +1,78 @@
+/******************************************************************************
+ *
+ * Copyright 2007 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: iapiLow.h
+ *
+ * $Id iapiLow.h $
+ *
+ * Description:
+ *  prototypes for low level function of I.API
+ *
+ *
+ *
+ *
+ * $Log iapiLow.h
+ *
+ * ***************************************************************************/
+
+#ifndef _iapiLow_h
+#define _iapiLow_h
+
+/* ****************************************************************************
+ * Boolean identifiers
+ *****************************************************************************/
+#define NO_OS     0
+#define LINUX     1
+#define SYMBIAN   2
+#define WINCE     3
+
+/* ****************************************************************************
+ * Include File Section
+ *****************************************************************************/
+#include "sdmaStruct.h"
+#include "iapiDefaults.h"
+#include "iapiOS.h"
+#ifdef MCU
+#include "iapiLowMcu.h"
+#endif /*MCU*/
+#if OS == NO_OS
+#include <stdlib.h>
+#elif OS == LINUX
+#include <linux/types.h>
+#endif
+
+
+/* ****************************************************************************
+ * Macro-command Section
+ *****************************************************************************/
+
+#define GOTO_SLEEP(x) (iapi_GotoSleep)(x)
+#define INIT_SLEEP(x) (iapi_InitSleep)(x)
+
+/* ****************************************************************************
+ * Public Function Prototype Section
+ *****************************************************************************/
+void iapi_lowStartChannel ( unsigned char channel );
+void iapi_lowStopChannel ( unsigned char channel );
+void iapi_AttachCallbackISR (channelDescriptor * cd_p,
+                      void (* func_p)(channelDescriptor * cd_p, void * arg));
+void iapi_DetachCallbackISR (channelDescriptor * cd_p);
+void iapi_ChangeCallbackISR (channelDescriptor * cd_p,
+                      void (* func_p)(channelDescriptor * cd_p, void * arg));
+void iapi_lowSynchChannel ( unsigned char channel );
+void iapi_SetBufferDescriptor(bufferDescriptor *bd_p, unsigned char command,
+                       unsigned char status, unsigned short count,
+                       void * buffAddr, void * extBufferAddr);
+
+#endif /* _iapiLow_h */
diff --git a/arch/arm/plat-mxc/sdma/iapi/include/iapiLowDsp.h b/arch/arm/plat-mxc/sdma/iapi/include/iapiLowDsp.h
new file mode 100644
index 000000000000..0adaa2548b9e
--- /dev/null
+++ b/arch/arm/plat-mxc/sdma/iapi/include/iapiLowDsp.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2007 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: iapiLowDsp.h
+ *
+ * $Id iapiLowDsp.h $
+ *
+ * Description:
+ *  prototypes for low level function of I.API for DSP side only
+ *
+ *
+ *
+ *
+ * $Log iapiLowDsp.h
+ *
+ * ***************************************************************************/
+
+#ifndef _iapiLowDsp_h
+#define _iapiLowDsp_h
+
+/* ****************************************************************************
+ * Include File Section
+ *****************************************************************************/
+
+
+/* ****************************************************************************
+ * Public Function Prototype Section
+ *****************************************************************************/
+/* WARNING !!!!!
+ * This file is empty and it is normal, because there is no low level functions
+ * dedicated to the DSP but the file (iapi_LowDsp.h) must still exist because
+ * some project directly links the file. Previously, there were function
+ * iapi_EnableInterrupts,iapi_DisableInterrupts,iapi_WaitCore,iapi_StartChannel
+ * iapi_StopChannel but they are common to both MCU and DSP, so they have been
+ * moved to iapi_Low.h file.
+ */
+
+#endif /* _iapiLowDsp_h */
diff --git a/arch/arm/plat-mxc/sdma/iapi/include/iapiLowMcu.h b/arch/arm/plat-mxc/sdma/iapi/include/iapiLowMcu.h
new file mode 100644
index 000000000000..12bea564c116
--- /dev/null
+++ b/arch/arm/plat-mxc/sdma/iapi/include/iapiLowMcu.h
@@ -0,0 +1,60 @@
+/******************************************************************************
+ *
+ * Copyright 2007 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: iapiLowMcu.h
+ *
+ * $Id iapiLowMcu.h $
+ *
+ * Description:
+ *  prototypes for low level function of I.API of MCU side only
+ *
+ *
+ *
+ *
+ * $Log iapiLowMcu.h $
+ *
+ * ***************************************************************************/
+
+#ifndef _iapiLowMcu_h
+#define _iapiLowMcu_h
+
+/******************************************************************************
+ * Include File Section
+ *****************************************************************************/
+#include "sdmaStruct.h"
+#include "iapiDefaults.h"
+
+/* ****************************************************************************
+ * Public Function Prototype Section
+ * ***************************************************************************/
+
+
+void iapi_InitChannelTables ( void );
+int  iapi_ChannelConfig(unsigned char channel, unsigned eventOverride,
+			               unsigned mcuOverride, unsigned dspOverride);
+int  iapi_Channel0Command(channelDescriptor * cd_p, void * buf,
+                          unsigned short nbyte, unsigned char command);
+void iapi_lowGetScript(channelDescriptor * cd_p, void * buf, unsigned short size,
+                    unsigned long address);
+void iapi_lowGetContext(channelDescriptor * cd_p, void * buf,
+                     unsigned char channel);
+void  iapi_lowSetScript(channelDescriptor * cd_p, void * buf, unsigned short nbyte,
+                     unsigned long destAddr);
+void iapi_lowSetContext(channelDescriptor * cd_p, void * buf,
+                     unsigned char channel);
+int iapi_lowAssignScript(channelDescriptor * cd_p, script_data * data_p);
+
+int iapi_lowSetChannelEventMapping(unsigned char event, unsigned long channel_map);
+
+#endif /* _iapiLowMcu_h */
diff --git a/arch/arm/plat-mxc/sdma/iapi/include/iapiMiddle.h b/arch/arm/plat-mxc/sdma/iapi/include/iapiMiddle.h
new file mode 100644
index 000000000000..2470ffcaabf1
--- /dev/null
+++ b/arch/arm/plat-mxc/sdma/iapi/include/iapiMiddle.h
@@ -0,0 +1,52 @@
+/******************************************************************************
+ *
+ * Copyright 2007 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: iapiMiddle.h
+ *
+ * $Id iapiMiddle.h $
+ *
+ * Description:
+ *  prototypes for middle level function of I.API
+ *
+ *
+ *
+ *
+ * $Log iapiMiddle.h
+ *
+ * ***************************************************************************/
+
+#ifndef _iapiMiddle_h
+#define _iapiMiddle_h
+
+/* ****************************************************************************
+ * Include File Section
+ ******************************************************************************/
+#include "sdmaStruct.h"
+#ifdef MCU
+#include "iapiMiddleMcu.h"
+#endif /* MCU */
+
+/* ****************************************************************************
+ * Public Function Prototype Section
+ ******************************************************************************/
+bufferDescriptor * iapi_AllocBD (channelControlBlock * ccb_p);
+int  iapi_AllocContext(contextData ** ctxd_p, unsigned char channel);
+int  iapi_AllocChannelDesc(channelDescriptor ** cd_p, unsigned char channel);
+int  iapi_ChangeChannelDesc (channelDescriptor * cd_p,
+							unsigned char whatToChange,	unsigned long newval);
+void iapi_InitializeCallbackISR (void (* func_p)(channelDescriptor * cd_p,
+                                 void * arg));
+int iapi_InitializeMemory (channelControlBlock * ccb_p);
+
+#endif /* iapiMiddle_h */
diff --git a/arch/arm/plat-mxc/sdma/iapi/include/iapiMiddleMcu.h b/arch/arm/plat-mxc/sdma/iapi/include/iapiMiddleMcu.h
new file mode 100644
index 000000000000..a47c02d4440b
--- /dev/null
+++ b/arch/arm/plat-mxc/sdma/iapi/include/iapiMiddleMcu.h
@@ -0,0 +1,41 @@
+/******************************************************************************
+ *
+ * Copyright 2007 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: iapiMiddleMcu.h
+ *
+ * $Id iapiMiddleMcu.h $
+ *
+ * Description:
+ *  prototypes for middle level function of I.API
+ *
+ *
+ *
+ *
+ * $Log iapiMiddleMcu.h
+ *
+ * ***************************************************************************/
+
+#ifndef _iapiMiddleMcu_h
+#define _iapiMiddleMcu_h
+
+/* ****************************************************************************
+ * Include File Section
+ ******************************************************************************/
+#include "sdmaStruct.h"
+
+/* ****************************************************************************
+ * Public Function Prototype Section
+ ******************************************************************************/
+
+#endif /* iapiMiddleMcu_h */
diff --git a/arch/arm/plat-mxc/sdma/iapi/include/iapiOS.h b/arch/arm/plat-mxc/sdma/iapi/include/iapiOS.h
new file mode 100644
index 000000000000..17186dae0fd5
--- /dev/null
+++ b/arch/arm/plat-mxc/sdma/iapi/include/iapiOS.h
@@ -0,0 +1,96 @@
+/******************************************************************************
+ *
+ * Copyright 2007 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: iapiOS.h
+ *
+ * $Id iapiOS.h $
+ *
+ * Description:
+ *  prototypes for OS level function of I.API
+ *
+ *
+ *
+ *
+ * $Log iapiOS.h
+ *
+ * ***************************************************************************/
+
+#ifndef _iapiOS_h
+#define _iapiOS_h
+
+/* ****************************************************************************
+ * Boolean identifiers
+ *****************************************************************************/
+#define NO_OS     0
+#define LINUX     1
+#define SYMBIAN   2
+#define WINCE     3
+
+/* ****************************************************************************
+ * Include File Section
+ *****************************************************************************/
+#include "sdmaStruct.h"
+#include "iapiDefaults.h"
+#ifdef MCU
+#include "iapiLowMcu.h"
+#endif /*MCU*/
+#if OS == NO_OS
+#include <stdlib.h>
+#elif OS == LINUX
+#include <linux/types.h>
+#endif
+
+/* ****************************************************************************
+ * Macro-command Section
+ *****************************************************************************/
+#define SDMA_ERAM 0
+#define SDMA_IRAM 1
+#ifdef CONFIG_SDMA_IRAM
+#define MALLOC(x, s) (s == SDMA_ERAM)? (* iapi_Malloc)(x):(* iapi_iram_Malloc)(x)
+#else /*CONFIG_SDMA_IRAM */
+#define MALLOC(x, s) (* iapi_Malloc)(x)
+#endif /*CONFIG_SDMA_IRAM */
+#define FREE(x)   if (x!=NULL)  (* iapi_Free)(x)
+
+#define GOTO_SLEEP(x) (iapi_GotoSleep)(x)
+#define INIT_SLEEP(x) (iapi_InitSleep)(x)
+
+/* ****************************************************************************
+ * Public Function Prototype Section
+ *****************************************************************************/
+
+#ifdef CONFIG_SDMA_IRAM
+extern void*(* iapi_iram_Malloc) (size_t size);
+#endif /*CONFIG_SDMA_IRAM*/
+
+extern void*(* iapi_Malloc) (size_t size);
+extern void (* iapi_Free) (void * ptr);
+
+extern void*(* iapi_Virt2Phys) (void * ptr);
+extern void*(* iapi_Phys2Virt) (void * ptr);
+
+extern void (* iapi_WakeUp)(int);
+extern void (* iapi_GotoSleep)(int);
+extern void (* iapi_InitSleep)(int);
+
+extern void*(* iapi_memcpy)(void *dest, const void *src, size_t count);
+extern void*(* iapi_memset)(void *dest, int c, size_t count);
+
+extern void (* iapi_EnableInterrupts)(void);
+extern void (* iapi_DisableInterrupts)(void);
+
+extern int (* iapi_GetChannel)(int);
+extern int (* iapi_ReleaseChannel)(int);
+
+#endif /* _iapiOS_h */
diff --git a/arch/arm/plat-mxc/sdma/iapi/include/sdmaStruct.h b/arch/arm/plat-mxc/sdma/iapi/include/sdmaStruct.h
new file mode 100644
index 000000000000..bc42dabba554
--- /dev/null
+++ b/arch/arm/plat-mxc/sdma/iapi/include/sdmaStruct.h
@@ -0,0 +1,426 @@
+/******************************************************************************
+ *
+ * Copyright 2007-2009 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: sdmaStruct.h
+ *
+ * $Id sdmaStruct.h $
+ *
+ * Description: provides necessary definitions and inclusion for ipcmStruct.c
+ *
+ * $Log $
+ *
+ *****************************************************************************/
+#ifndef _sdmaStruct_h
+#define _sdmaStruct_h
+
+/* ****************************************************************************
+ * Include File Section
+ ******************************************************************************/
+
+/* ****************************************************************************
+ * Macro-command Section
+ ******************************************************************************/
+
+/**
+ * Identifier NULL
+ */
+#ifndef NULL
+#define NULL 0
+#endif
+
+/**
+ * Boolean identifiers
+ */
+#ifndef FALSE
+#define FALSE 0
+#endif
+
+#ifndef TRUE
+#define TRUE 1
+#endif
+
+/**
+ * Number of channels
+ */
+#define CH_NUM  32
+/**
+ * Number of events
+ */
+#ifdef MXC_SDMA_V2
+#define EVENTS_NUM   48
+#else
+#define EVENTS_NUM   32
+#endif
+/**
+ * Channel configuration
+ */
+#define DONT_OWN_CHANNEL   0
+#define OWN_CHANNEL        1
+
+/**
+ * Ownership (value defined to computed decimal value)
+ */
+#define CH_OWNSHP_OFFSET_EVT 0
+#define CH_OWNSHP_OFFSET_MCU 1
+#define CH_OWNSHP_OFFSET_DSP 2
+/**
+ * Indexof the greg which holds address to start a script from when channel
+ * becomes current.
+ */
+#define SDMA_NUMBER_GREGS 8
+
+/**
+ * Channel contexts management
+ */
+
+#define CHANNEL_CONTEXT_BASE_ADDRESS		0x800
+/**
+ * Buffer descriptor status values.
+ */
+#define BD_DONE  0x01
+#define BD_WRAP  0x02
+#define BD_CONT  0x04
+#define BD_INTR  0x08
+#define BD_RROR  0x10
+#define BD_LAST  0x20
+#define BD_EXTD  0x80
+
+
+/**
+ * Data Node descriptor status values.
+ */
+#define DND_END_OF_FRAME  0x80
+#define DND_END_OF_XFER   0x40
+#define DND_DONE          0x20
+#define DND_UNUSED        0x01
+
+/**
+ * IPCV2 descriptor status values.
+ */
+#define BD_IPCV2_END_OF_FRAME  0x40
+
+
+#define IPCV2_MAX_NODES        50
+/**
+ * Error bit set in the CCB status field by the SDMA,
+ * in setbd routine, in case of a transfer error
+ */
+#define DATA_ERROR  0x10000000
+
+/**
+ * Buffer descriptor commands.
+ */
+#define C0_ADDR             0x01
+#define C0_LOAD             0x02
+#define C0_DUMP             0x03
+#define C0_SETCTX           0x07
+#define C0_GETCTX           0x03
+#define C0_SETDM            0x01
+#define C0_SETPM            0x04
+#define C0_GETDM            0x02
+#define C0_GETPM            0x08
+/**
+ * Transfer types, encoded in the BD command field
+ */
+#define TRANSFER_32BIT      0x00
+#define TRANSFER_8BIT       0x01
+#define TRANSFER_16BIT      0x02
+#define TRANSFER_24BIT      0x03
+/**
+ * Change endianness indicator in the BD command field
+ */
+#define CHANGE_ENDIANNESS   0x80
+/**
+ * Size in bytes
+ */
+#define SDMA_BD_SIZE  8
+#define SDMA_EXTENDED_BD_SIZE  12
+#define BD_NUMBER     4
+/**
+ * Channel interrupt policy
+ */
+#define DEFAULT_POLL 0
+#define CALLBACK_ISR 1
+/**
+ * Channel status
+ */
+#define UNINITIALIZED 0
+#define   INITIALIZED 1
+
+/**
+ * IoCtl particular values
+ */
+#define SET_BIT_ALL     0xFFFFFFFF
+#define BD_NUM_OFFSET   16
+#define BD_NUM_MASK     0xFFFF0000
+
+/**
+ * Maximum values for IoCtl calls, used in high or middle level calls
+ */
+#define MAX_BD_NUM         256
+#define MAX_BD_SIZE        65536
+#define MAX_BLOCKING       2
+#define MAX_SYNCH          2
+#define MAX_OWNERSHIP      8
+#define MAX_CH_PRIORITY    8
+#define MAX_TRUST          2
+#define MAX_WML            256
+
+
+/**
+ * Access to channelDescriptor fields
+ */
+enum {
+  IAPI_CHANNELNUMBER,
+  IAPI_BUFFERDESCNUMBER,
+  IAPI_BUFFERSIZE,
+  IAPI_BLOCKING,
+  IAPI_CALLBACKSYNCH,
+  IAPI_OWNERSHIP,
+  IAPI_PRIORITY,
+  IAPI_TRUST,
+  IAPI_UNUSED,
+  IAPI_CALLBACKISR_PTR,
+  IAPI_CCB_PTR,
+  IAPI_BDWRAP,
+  IAPI_WML
+};
+
+/**
+ * Default values for channel descriptor - nobody ownes the channel
+ */
+#define CD_DEFAULT_OWNERSHIP  7
+
+
+/**
+ * User Type Section
+ */
+
+/**
+ * Command/Mode/Count of buffer descriptors
+ */
+
+#if (ENDIANNESS==B_I_G_ENDIAN)
+typedef struct iapi_modeCount_ipcv2 {
+  unsigned long  status          :  8; /**< L, E , D bits stored here */
+  unsigned long  reserved  :  8;
+  unsigned long  count         : 16; /**< <size of the buffer pointed by this BD  */
+} modeCount_ipcv2;
+#else
+typedef struct iapi_modeCount_ipcv2 {
+  unsigned long  count         : 16; /**<size of the buffer pointed by this BD */
+  unsigned long  reserved      :  8; /**Reserved*/
+  unsigned long  status        :  8; /**< L, E , D bits stored here */
+} modeCount_ipcv2;
+#endif
+/**
+ * Data Node descriptor - IPCv2
+ * (differentiated between evolutions of SDMA)
+ */
+typedef struct iapi_dataNodeDescriptor {
+  modeCount_ipcv2  mode;          /**<command, status and count */
+  void *           bufferAddr;    /**<address of the buffer described */
+} dataNodeDescriptor;
+
+#if (ENDIANNESS==B_I_G_ENDIAN)
+typedef struct iapi_modeCount_ipcv1_v2 {
+  unsigned long   endianness: 1;
+  unsigned long   reserved: 7;
+  unsigned long   status  :  8; /**< E,R,I,C,W,D status bits stored here */
+  unsigned long   count   : 16; /**< size of the buffer pointed by this BD */
+} modeCount_ipcv1_v2;
+#else
+typedef struct iapi_modeCount_ipcv1_v2 {
+  unsigned long  count   : 16; /**<size of the buffer pointed by this BD */
+  unsigned long  status  :  8; /**< E,R,I,C,W,D status bits stored here */
+  unsigned long   reserved: 7;
+  unsigned long   endianness: 1;
+} modeCount_ipcv1_v2;
+#endif
+/**
+ * Buffer descriptor
+ * (differentiated between evolutions of SDMA)
+ */
+typedef struct iapi_bufferDescriptor_ipcv1_v2 {
+  modeCount_ipcv1_v2  mode; /**<command, status and count */
+  void *     bufferAddr;    /**<address of the buffer described */
+  void *     extBufferAddr; /**<extended buffer address */
+} bufferDescriptor_ipcv1_v2;
+
+
+/**
+ * Mode/Count of data node descriptors - IPCv2
+ */
+
+#if (ENDIANNESS==B_I_G_ENDIAN)
+typedef struct iapi_modeCount {
+  unsigned long  command :  8; /**< command mostlky used for channel 0 */
+  unsigned long  status  :  8; /**< E,R,I,C,W,D status bits stored here */
+  unsigned long  count   : 16; /**< size of the buffer pointed by this BD */
+} modeCount;
+#else
+typedef struct iapi_modeCount {
+  unsigned long  count   : 16; /**<size of the buffer pointed by this BD */
+  unsigned long  status  :  8; /**< E,R,I,C,W,D status bits stored here */
+  unsigned long  command :  8; /**< command mostlky used for channel 0 */
+} modeCount;
+#endif
+
+
+/**
+ * Buffer descriptor
+ * (differentiated between evolutions of SDMA)
+ */
+typedef struct iapi_bufferDescriptor {
+  modeCount  mode;          /**<command, status and count */
+  void *     bufferAddr;    /**<address of the buffer described */
+  void *     extBufferAddr; /**<extended buffer address */
+} bufferDescriptor;
+
+
+
+struct iapi_channelControlBlock;
+struct iapi_channelDescriptor;
+/**
+ * Channel Descriptor
+ */
+typedef struct iapi_channelDescriptor {
+  unsigned char   channelNumber   ;/**<stores the channel number */
+  unsigned char   bufferDescNumber;/**<number of BD's automatically allocated for this channel */
+  unsigned short  bufferSize      ;/**<size (in bytes) of buffer descriptors */
+  unsigned long   blocking      :3;/**<blocking / non blocking feature selection */
+  unsigned long   callbackSynch :1;/**<polling/ callback method selection */
+  unsigned long   ownership     :3;/**<ownership of the channel (host+dedicated+event)*/
+  unsigned long   priority      :3;/**<reflects the SDMA channel priority register */
+  unsigned long   trust         :1;/**<trusted buffers or kernel allocated */
+  unsigned long   useDataSize   :1;/**<indicates if the dataSize field is meaningfull */
+  unsigned long   dataSize      :2;/**<data transfer size - 8,16,24 or 32 bits*/
+  unsigned long   forceClose    :1;/**<if TRUE, close channel even with BD owned by SDMA*/
+  unsigned long   scriptId      :7;/**<number of the script */
+  unsigned long   watermarkLevel:10;/**<Watermark level for the peripheral access*/
+  unsigned long   eventMask1;      /**<First Event mask */
+  unsigned long   eventMask2;      /**<Second  Event mask */
+  unsigned long   peripheralAddr;  /**<Address of the peripheral or its fifo when needed */
+  void (* callbackISR_ptr)(struct iapi_channelDescriptor*, void*);   /**<pointer to the callback function (or NULL) */
+  struct iapi_channelControlBlock * ccb_ptr; /**<pointer to the channel control block associated to this channel */
+} channelDescriptor;
+
+/**
+ * Channel Status
+ */
+typedef struct iapi_channelStatus {
+  unsigned long  unused        :29;/**<*/
+  unsigned long  openedInit    : 1;/**<channel is initialized or not */
+  unsigned long  stateDirection: 1;/**<sdma is reading/writing (as seen from channel owner core) */
+  unsigned long  execute       : 1;/**<channel is being processed (started) or not */
+} channelStatus;
+
+/**
+ * Channel control Block
+ */
+typedef struct iapi_channelControlBlock {
+  bufferDescriptor *  currentBDptr;      /**<current buffer descriptor processed */
+  bufferDescriptor *  baseBDptr;         /**<first element of buffer descriptor array */
+  channelDescriptor * channelDescriptor; /**<pointer to the channel descriptor */
+  channelStatus		  status;            /**<open/close ; started/stopped ; read/write */
+} channelControlBlock;
+
+/**
+ * Context structure.
+ */
+#if (ENDIANNESS==B_I_G_ENDIAN)
+typedef struct iapi_stateRegisters {
+  unsigned long sf     : 1;/**<source falut while loading data */
+  unsigned long unused0: 1;/**<*/
+  unsigned long rpc    :14;/**<return program counter */
+  unsigned long t      : 1;/**<test bit:status of arithmetic & test instruction*/
+  unsigned long unused1: 1;/**<*/
+  unsigned long pc     :14;/**<program counter */
+  unsigned long lm     : 2;/**<loop mode */
+  unsigned long epc    :14;/**<loop end program counter */
+  unsigned long df     : 1;/**<destiantion falut while storing data */
+  unsigned long unused2: 1;/**<*/
+  unsigned long spc    :14;/**<loop start program counter */
+} stateRegiters;
+#else
+typedef struct iapi_stateRegisters {
+  unsigned long pc     :14;/**<program counter */
+  unsigned long unused1: 1;/**<*/
+  unsigned long t      : 1;/**<test bit: status of arithmetic & test instruction*/
+  unsigned long rpc    :14;/**<return program counter */
+  unsigned long unused0: 1;/**<*/
+  unsigned long sf     : 1;/**<source falut while loading data */
+  unsigned long spc    :14;/**<loop start program counter */
+  unsigned long unused2: 1;/**<*/
+  unsigned long df     : 1;/**<destiantion falut while storing data */
+  unsigned long epc    :14;/**<loop end program counter */
+  unsigned long lm     : 2;/**<loop mode */
+} stateRegiters;
+#endif
+
+/**
+ * This is SDMA version of SDMA
+ */
+typedef struct iapi_contextData {
+  stateRegiters  channelState;              /**<channel state bits */
+  unsigned long  gReg[ SDMA_NUMBER_GREGS ]; /**<general registers */
+  unsigned long  mda; /**<burst dma destination address register */
+  unsigned long  msa; /**<burst dma source address register */
+  unsigned long  ms;  /**<burst dma status  register */
+  unsigned long  md;  /**<burst dma data    register */
+  unsigned long  pda; /**<peripheral dma destination address register */
+  unsigned long  psa; /**<peripheral dma source address register */
+  unsigned long  ps;  /**<peripheral dma  status  register */
+  unsigned long  pd;  /**<peripheral dma  data    register */
+  unsigned long  ca;  /**<CRC polynomial  register */
+  unsigned long  cs;  /**<CRC accumulator register */
+  unsigned long  dda; /**<dedicated core destination address register */
+  unsigned long  dsa; /**<dedicated core source address register */
+  unsigned long  ds;  /**<dedicated core status  register */
+  unsigned long  dd;  /**<dedicated core data    register */
+  unsigned long  scratch0;  /**<scratch */
+  unsigned long  scratch1;  /**<scratch */
+  unsigned long  scratch2;  /**<scratch */
+  unsigned long  scratch3;  /**<scratch */
+  unsigned long  scratch4;  /**<scratch */
+  unsigned long  scratch5;  /**<scratch */
+  unsigned long  scratch6;  /**<scratch */
+  unsigned long  scratch7;  /**<scratch */
+
+} contextData;
+
+/**
+ *This structure holds the necessary data for the assignment in the
+ * dynamic channel-script association
+ */
+typedef struct iapi_script_data {
+  unsigned short load_address;/**<start address of the script*/
+  unsigned long  wml;		   /**<parameters for the channel descriptor*/
+  unsigned long  shp_addr;    /**<shared peripheral base address*/
+  unsigned long  per_addr;    /**<peripheral base address for p2p source*/
+  unsigned long  event_mask1; /**<First Event mask */
+  unsigned long  event_mask2; /**<Second Event mask */
+} script_data;
+
+/**
+ *This structure holds the the useful bits of the CONFIG register
+ */
+typedef struct iapi_configs_data {
+  unsigned long   dspdma   :1; /*indicates if the DSPDMA is used */
+  unsigned long   rtdobs   :1; /*indicates if Real-Time Debug pins are enabled */
+  unsigned long   acr   :1; /**indicates if AHB freq /core freq = 2 or 1 */
+  unsigned long   csm   :2; /**indicates which context switch mode is selected*/
+} configs_data;
+
+#endif /* _sdmaStruct_h */