* Update Intel IXP4xx support
- Add IXP4xx NPE ethernet MAC support
- Add support for Intel IXDPG425 board
- Add support for Prodrive PDNB3 board
- Add IRQ support
Patch by Stefan Roese, 23 May 2006
[This patch does not include cpu/ixp/npe/IxNpeMicrocode.c which still
sufferes from licensing issues. Blame Intel.]
diff --git a/cpu/ixp/npe/include/IxSspAcc.h b/cpu/ixp/npe/include/IxSspAcc.h
new file mode 100644
index 0000000..35e7abf
--- /dev/null
+++ b/cpu/ixp/npe/include/IxSspAcc.h
@@ -0,0 +1,1271 @@
+/**
+ * @file IxSspAcc.h
+ *
+ * @brief Header file for the IXP400 SSP Serial Port Access (IxSspAcc)
+ *
+ * @version $Revision: 0.1 $
+ *
+ * @par
+ * IXP400 SW Release version 2.0
+ *
+ * -- Copyright Notice --
+ *
+ * @par
+ * Copyright 2001-2005, Intel Corporation.
+ * All rights reserved.
+ *
+ * @par
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. Neither the name of the Intel Corporation nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * @par
+ * 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 OWNER 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.
+ *
+ * @par
+ * -- End of Copyright Notice --
+ */
+
+/**
+ * @defgroup IxSspAcc IXP400 SSP Serial Port Access (IxSspAcc) API
+ *
+ * @brief IXP400 SSP Serial Port Access Public API
+ *
+ * @{
+ */
+#ifndef IXSSPACC_H
+#define IXSSPACC_H
+
+#ifdef __ixp46X
+
+#include "IxOsal.h"
+
+/*
+ * Section for enum
+ */
+/**
+ * @ingroup IxSspAcc
+ *
+ * @enum IxSspAccDataSize
+ *
+ * @brief The data sizes in bits that are supported by the protocol
+ */
+typedef enum
+{
+ DATA_SIZE_TOO_SMALL = 0x2,
+ DATA_SIZE_4 = 0x3,
+ DATA_SIZE_5,
+ DATA_SIZE_6,
+ DATA_SIZE_7,
+ DATA_SIZE_8,
+ DATA_SIZE_9,
+ DATA_SIZE_10,
+ DATA_SIZE_11,
+ DATA_SIZE_12,
+ DATA_SIZE_13,
+ DATA_SIZE_14,
+ DATA_SIZE_15,
+ DATA_SIZE_16,
+ DATA_SIZE_TOO_BIG
+} IxSspAccDataSize;
+
+/**
+ * @ingroup IxSspAcc
+ *
+ * @enum IxSspAccPortStatus
+ *
+ * @brief The status of the SSP port to be set to enable/disable
+ */
+typedef enum
+{
+ SSP_PORT_DISABLE = 0x0,
+ SSP_PORT_ENABLE,
+ INVALID_SSP_PORT_STATUS
+} IxSspAccPortStatus;
+
+/**
+ * @ingroup IxSspAcc
+ *
+ * @enum IxSspAccFrameFormat
+ *
+ * @brief The frame format that is to be used - SPI, SSP, or Microwire
+ */
+typedef enum
+{
+ SPI_FORMAT = 0x0,
+ SSP_FORMAT,
+ MICROWIRE_FORMAT,
+ INVALID_FORMAT
+} IxSspAccFrameFormat;
+
+/**
+ * @ingroup IxSspAcc
+ *
+ * @enum IxSspAccClkSource
+ *
+ * @brief The source to produce the SSP serial clock
+ */
+typedef enum
+{
+ ON_CHIP_CLK = 0x0,
+ EXTERNAL_CLK,
+ INVALID_CLK_SOURCE
+} IxSspAccClkSource;
+
+/**
+ * @ingroup IxSspAcc
+ *
+ * @enum IxSspAccSpiSclkPhase
+ *
+ * @brief The SPI SCLK Phase:
+ * 0 - SCLK is inactive one cycle at the start of a frame and 1/2 cycle at the
+ * end of a frame.
+ * 1 - SCLK is inactive 1/2 cycle at the start of a frame and one cycle at the
+ * end of a frame.
+ */
+typedef enum
+{
+ START_ONE_END_HALF = 0x0,
+ START_HALF_END_ONE,
+ INVALID_SPI_PHASE
+} IxSspAccSpiSclkPhase;
+
+/**
+ * @ingroup IxSspAcc
+ *
+ * @enum IxSspAccSpiSclkPolarity
+ *
+ * @brief The SPI SCLK Polarity can be set to either low or high.
+ */
+typedef enum
+{
+ SPI_POLARITY_LOW = 0x0,
+ SPI_POLARITY_HIGH,
+ INVALID_SPI_POLARITY
+} IxSspAccSpiSclkPolarity;
+
+/**
+ * @ingroup IxSspAcc
+ *
+ * @enum IxSspAccMicrowireCtlWord
+ *
+ * @brief The Microwire control word can be either 8 or 16 bit.
+ */
+typedef enum
+{
+ MICROWIRE_8_BIT = 0x0,
+ MICROWIRE_16_BIT,
+ INVALID_MICROWIRE_CTL_WORD
+} IxSspAccMicrowireCtlWord;
+
+/**
+ * @ingroup IxSspAcc
+ *
+ * @enum IxSspAccFifoThreshold
+ *
+ * @brief The threshold in frames (each frame is defined by IxSspAccDataSize)
+ * that can be set for the FIFO to trigger a threshold exceed when
+ * checking with the ExceedThresholdCheck functions or an interrupt
+ * when it is enabled.
+ */
+typedef enum
+{
+ FIFO_TSHLD_1 = 0x0,
+ FIFO_TSHLD_2,
+ FIFO_TSHLD_3,
+ FIFO_TSHLD_4,
+ FIFO_TSHLD_5,
+ FIFO_TSHLD_6,
+ FIFO_TSHLD_7,
+ FIFO_TSHLD_8,
+ FIFO_TSHLD_9,
+ FIFO_TSHLD_10,
+ FIFO_TSHLD_11,
+ FIFO_TSHLD_12,
+ FIFO_TSHLD_13,
+ FIFO_TSHLD_14,
+ FIFO_TSHLD_15,
+ FIFO_TSHLD_16,
+ INVALID_FIFO_TSHLD
+} IxSspAccFifoThreshold;
+
+/**
+ * @ingroup IxSspAcc
+ *
+ * @enum IX_SSP_STATUS
+ *
+ * @brief The statuses that can be returned in a SSP Serial Port Access
+ */
+typedef enum
+{
+ IX_SSP_SUCCESS = IX_SUCCESS, /**< Success status */
+ IX_SSP_FAIL, /**< Fail status */
+ IX_SSP_RX_FIFO_OVERRUN_HANDLER_MISSING, /**<
+ Rx FIFO Overrun handler is NULL. */
+ IX_SSP_RX_FIFO_HANDLER_MISSING, /**<
+ Rx FIFO threshold hit or above handler is NULL
+ */
+ IX_SSP_TX_FIFO_HANDLER_MISSING, /**<
+ Tx FIFO threshold hit or below handler is NULL
+ */
+ IX_SSP_FIFO_NOT_EMPTY_FOR_SETTING_CTL_CMD, /**<
+ Tx FIFO not empty and therefore microwire
+ control command size setting is not allowed. */
+ IX_SSP_INVALID_FRAME_FORMAT_ENUM_VALUE, /**<
+ frame format selected is invalid. */
+ IX_SSP_INVALID_DATA_SIZE_ENUM_VALUE, /**<
+ data size selected is invalid. */
+ IX_SSP_INVALID_CLOCK_SOURCE_ENUM_VALUE, /**<
+ source clock selected is invalid. */
+ IX_SSP_INVALID_TX_FIFO_THRESHOLD_ENUM_VALUE, /**<
+ Tx FIFO threshold selected is invalid. */
+ IX_SSP_INVALID_RX_FIFO_THRESHOLD_ENUM_VALUE, /**<
+ Rx FIFO threshold selected is invalid. */
+ IX_SSP_INVALID_SPI_PHASE_ENUM_VALUE, /**<
+ SPI phase selected is invalid. */
+ IX_SSP_INVALID_SPI_POLARITY_ENUM_VALUE, /**<
+ SPI polarity selected is invalid. */
+ IX_SSP_INVALID_MICROWIRE_CTL_CMD_ENUM_VALUE, /**<
+ Microwire control command selected is invalid
+ */
+ IX_SSP_INT_UNBIND_FAIL, /**< Interrupt unbind fail to unbind SSP
+ interrupt */
+ IX_SSP_INT_BIND_FAIL, /**< Interrupt bind fail during init */
+ IX_SSP_RX_FIFO_NOT_EMPTY, /**<
+ Rx FIFO not empty while trying to change data
+ size. */
+ IX_SSP_TX_FIFO_NOT_EMPTY, /**<
+ Rx FIFO not empty while trying to change data
+ size or microwire control command size. */
+ IX_SSP_POLL_MODE_BLOCKING, /**<
+ poll mode selected blocks interrupt mode from
+ being selected. */
+ IX_SSP_TX_FIFO_HIT_BELOW_THRESHOLD, /**<
+ Tx FIFO level hit or below threshold. */
+ IX_SSP_TX_FIFO_EXCEED_THRESHOLD, /**<
+ Tx FIFO level exceeded threshold. */
+ IX_SSP_RX_FIFO_HIT_ABOVE_THRESHOLD, /**<
+ Rx FIFO level hit or exceeded threshold. */
+ IX_SSP_RX_FIFO_BELOW_THRESHOLD, /**<
+ Rx FIFO level below threshold. */
+ IX_SSP_BUSY, /**< SSP is busy. */
+ IX_SSP_IDLE, /**< SSP is idle. */
+ IX_SSP_OVERRUN_OCCURRED, /**<
+ SSP has experienced an overrun. */
+ IX_SSP_NO_OVERRUN, /**<
+ SSP did not experience an overrun. */
+ IX_SSP_NOT_SUPORTED, /**< hardware does not support SSP */
+ IX_SSP_NOT_INIT, /**< SSP Access not intialized */
+ IX_SSP_NULL_POINTER /**< parameter passed in is NULL */
+} IX_SSP_STATUS;
+
+/**
+ * @ingroup IxSspAcc
+ *
+ * @brief SSP Rx FIFO Overrun handler
+ *
+ * This function is called for the client to handle Rx FIFO Overrun that occurs
+ * in the SSP hardware
+ */
+typedef void (*RxFIFOOverrunHandler)(void);
+
+/**
+ * @ingroup IxSspAcc
+ *
+ * @brief SSP Rx FIFO Threshold hit or above handler
+ *
+ * This function is called for the client to handle Rx FIFO threshold hit or
+ * or above that occurs in the SSP hardware
+ */
+typedef void (*RxFIFOThresholdHandler)(void);
+
+/**
+ * @ingroup IxSspAcc
+ *
+ * @brief SSP Tx FIFO Threshold hit or below handler
+ *
+ * This function is called for the client to handle Tx FIFO threshold hit or
+ * or below that occurs in the SSP hardware
+ */
+typedef void (*TxFIFOThresholdHandler)(void);
+
+
+/*
+ * Section for struct
+ */
+/**
+ * @ingroup IxSspAcc
+ *
+ * @brief contains all the variables required to initialize the SSP serial port
+ * hardware.
+ *
+ * Structure to be filled and used for calling initialization
+ */
+typedef struct
+{
+ IxSspAccFrameFormat FrameFormatSelected;/**<Select between SPI, SSP and
+ Microwire. */
+ IxSspAccDataSize DataSizeSelected; /**<Select between 4 and 16. */
+ IxSspAccClkSource ClkSourceSelected; /**<Select clock source to be
+ on-chip or external. */
+ IxSspAccFifoThreshold TxFIFOThresholdSelected;
+ /**<Select Tx FIFO threshold
+ between 1 to 16. */
+ IxSspAccFifoThreshold RxFIFOThresholdSelected;
+ /**<Select Rx FIFO threshold
+ between 1 to 16. */
+ BOOL RxFIFOIntrEnable; /**<Enable/disable Rx FIFO
+ threshold interrupt. Disabling
+ this interrupt will require
+ the use of the polling function
+ RxFIFOExceedThresholdCheck. */
+ BOOL TxFIFOIntrEnable; /**<Enable/disable Tx FIFO
+ threshold interrupt. Disabling
+ this interrupt will require
+ the use of the polling function
+ TxFIFOExceedThresholdCheck. */
+ RxFIFOThresholdHandler RxFIFOThsldHdlr; /**<Pointer to function to handle
+ a Rx FIFO interrupt. */
+ TxFIFOThresholdHandler TxFIFOThsldHdlr; /**<Pointer to function to handle
+ a Tx FIFO interrupt. */
+ RxFIFOOverrunHandler RxFIFOOverrunHdlr; /**<Pointer to function to handle
+ a Rx FIFO overrun interrupt. */
+ BOOL LoopbackEnable; /**<Select operation mode to be
+ normal or loopback mode. */
+ IxSspAccSpiSclkPhase SpiSclkPhaseSelected;
+ /**<Select SPI SCLK phase to start
+ with one inactive cycle and end
+ with 1/2 inactive cycle or
+ start with 1/2 inactive cycle
+ and end with one inactive
+ cycle. (Only used in
+ SPI format). */
+ IxSspAccSpiSclkPolarity SpiSclkPolaritySelected;
+ /**<Select SPI SCLK idle state
+ to be low or high. (Only used in
+ SPI format). */
+ IxSspAccMicrowireCtlWord MicrowireCtlWordSelected;
+ /**<Select Microwire control
+ format to be 8 or 16-bit. (Only
+ used in Microwire format). */
+ UINT8 SerialClkRateSelected; /**<Select between 0 (1.8432Mbps)
+ and 255 (7.2Kbps). The
+ formula used is Bit rate =
+ 3.6864x10^6 /
+ (2 x (SerialClkRateSelect + 1))
+ */
+} IxSspInitVars;
+
+/**
+ * @ingroup IxSspAcc
+ *
+ * @brief contains counters of the SSP statistics
+ *
+ * Structure contains all values of counters and associated overflows.
+ */
+typedef struct
+{
+ UINT32 ixSspRcvCounter; /**<Total frames received. */
+ UINT32 ixSspXmitCounter; /**<Total frames transmitted. */
+ UINT32 ixSspOverflowCounter;/**<Total occurrences of overflow. */
+} IxSspAccStatsCounters;
+
+
+/*
+ * Section for prototypes interface functions
+ */
+
+/**
+ * @ingroup IxSspAcc
+ *
+ * @fn ixSspAccInit (
+ IxSspInitVars *initVarsSelected);
+ *
+ * @brief Initializes the SSP Access module.
+ *
+ * @param "IxSspAccInitVars [in] *initVarsSelected" - struct containing required
+ * variables for initialization
+ *
+ * Global Data :
+ * - None.
+ *
+ * This API will initialize the SSP Serial Port hardware to the user specified
+ * configuration. Then it will enable the SSP Serial Port.
+ * *NOTE*: Once interrupt or polling mode is selected, the mode cannot be
+ * changed via the interrupt enable/disable function but the init needs to be
+ * called again to change it.
+ *
+ * @return
+ * - IX_SSP_SUCCESS - Successfully initialize and enable the SSP
+ * serial port.
+ * - IX_SSP_RX_FIFO_HANDLER_MISSING - interrupt mode is selected but RX FIFO
+ * handler pointer is NULL
+ * - IX_SSP_TX_FIFO_HANDLER_MISSING - interrupt mode is selected but TX FIFO
+ * handler pointer is NULL
+ * - IX_SSP_RX_FIFO_OVERRUN_HANDLER_MISSING - interrupt mode is selected but
+ * RX FIFO Overrun handler pointer is NULL
+ * - IX_SSP_RX_FIFO_NOT_EMPTY - Rx FIFO not empty, data size change is not
+ * allowed.
+ * - IX_SSP_TX_FIFO_NOT_EMPTY - Tx FIFO not empty, data size change is not
+ * allowed.
+ * - IX_SSP_INVALID_FRAME_FORMAT_ENUM_VALUE - frame format selected is invalid
+ * - IX_SSP_INVALID_DATA_SIZE_ENUM_VALUE - data size selected is invalid
+ * - IX_SSP_INVALID_CLOCK_SOURCE_ENUM_VALUE - clock source selected is invalid
+ * - IX_SSP_INVALID_TX_FIFO_THRESHOLD_ENUM_VALUE - Tx FIFO threshold level
+ * selected is invalid
+ * - IX_SSP_INVALID_RX_FIFO_THRESHOLD_ENUM_VALUE - Rx FIFO threshold level
+ * selected is invalid
+ * - IX_SSP_INVALID_SPI_PHASE_ENUM_VALUE - SPI phase selected is invalid
+ * - IX_SSP_INVALID_SPI_POLARITY_ENUM_VALUE - SPI polarity selected is invalid
+ * - IX_SSP_INVALID_MICROWIRE_CTL_CMD_ENUM_VALUE - microwire control command
+ * size is invalid
+ * - IX_SSP_INT_UNBIND_FAIL - interrupt handler failed to unbind SSP interrupt
+ * - IX_SSP_INT_BIND_FAIL - interrupt handler failed to bind to SSP interrupt
+ * hardware trigger
+ * - IX_SSP_NOT_SUPORTED - hardware does not support SSP
+ * - IX_SSP_NULL_POINTER - parameter passed in is NULL
+ *
+ * @li Reentrant : yes
+ * @li ISR Callable : yes
+ *
+ */
+PUBLIC IX_SSP_STATUS
+ixSspAccInit (IxSspInitVars *initVarsSelected);
+
+/**
+ * @ingroup IxSspAcc
+ *
+ * @fn ixSspAccUninit (
+ void)
+ *
+ * @brief Un-initializes the SSP Serial Port Access component
+ *
+ * @param - None
+ *
+ * Global Data :
+ * - None.
+ *
+ * This API will disable the SSP Serial Port hardware. The client can call the
+ * init function again if they wish to enable the SSP.
+ *
+ * @return
+ * - IX_SSP_SUCCESS - successfully uninit SSP component
+ * - IX_SSP_INT_UNBIND_FAIL - interrupt handler failed to unbind SSP interrupt
+ *
+ * @li Reentrant : yes
+ * @li ISR Callable : yes
+ *
+ */
+PUBLIC IX_SSP_STATUS
+ixSspAccUninit (void);
+
+/**
+ * @ingroup IxSspAcc
+ *
+ * @fn ixSspAccFIFODataSubmit (
+ UINT16 *data,
+ UINT32 amtOfData)
+ *
+ * @brief Inserts data into the SSP Serial Port's FIFO
+ *
+ * @param "UINT16 [in] *data" - pointer to the location to transmit the data
+ * from
+ * "UINT32 [in] amtOfData" - number of data to be transmitted.
+ *
+ * Global Data :
+ * - None.
+ *
+ * This API will insert the amount of data specified by "amtOfData" from buffer
+ * pointed to by "data" into the FIFO to be transmitted by the hardware.
+ *
+ * @return
+ * - IX_SSP_SUCCESS - Data inserted successfully into FIFO
+ * - IX_SSP_FAIL - FIFO insufficient space
+ * - IX_SSP_NULL_POINTER - data pointer passed by client is NULL
+ * - IX_SSP_NOT_INIT - SSP not initialized. SSP init needs to be called.
+ *
+ * @li Reentrant : yes
+ * @li ISR Callable : yes
+ *
+ */
+PUBLIC IX_SSP_STATUS
+ixSspAccFIFODataSubmit (
+ UINT16* data,
+ UINT32 amtOfData);
+
+/**
+ * @ingroup IxSspAcc
+ *
+ * @fn ixSspAccFIFODataReceive (
+ UINT16 *data,
+ UINT32 amtOfData)
+ *
+ * @brief Extract data from the SSP Serial Port's FIFO
+ *
+ * @param "UINT16 [in] *data" - pointer to the location to receive the data into
+ * "UINT32 [in] amtOfData" - number of data to be received.
+ *
+ * Global Data :
+ * - None.
+ *
+ * This API will extract the amount of data specified by "amtOfData" from the
+ * FIFO already received by the hardware into the buffer pointed to by "data".
+ *
+ * @return
+ * - IX_SSP_SUCCESS - Data extracted successfully from FIFO
+ * - IX_SSP_FAIL - FIFO has no data
+ * - IX_SSP_NULL_POINTER - data pointer passed by client is NULL
+ * - IX_SSP_NOT_INIT - SSP not initialized. SSP init needs to be called.
+ *
+ * @li Reentrant : yes
+ * @li ISR Callable : yes
+ *
+ */
+PUBLIC IX_SSP_STATUS
+ixSspAccFIFODataReceive (
+ UINT16* data,
+ UINT32 amtOfData);
+
+
+/**
+ * Polling Functions
+ */
+
+/**
+ * @ingroup IxSspAcc
+ *
+ * @fn ixSspAccTxFIFOHitOrBelowThresholdCheck (
+ void)
+ *
+ * @brief Check if the Tx FIFO threshold has been hit or fallen below.
+ *
+ * @param - None
+ *
+ * Global Data :
+ * - None.
+ *
+ * This API will return whether the Tx FIFO threshold has been exceeded or not
+ *
+ * @return
+ * - IX_SSP_TX_FIFO_HIT_BELOW_THRESHOLD - Tx FIFO level hit or below threshold .
+ * - IX_SSP_TX_FIFO_EXCEED_THRESHOLD - Tx FIFO level exceeded threshold.
+ * - IX_SSP_NOT_INIT - SSP not initialized. SSP init needs to be called.
+ *
+ * @li Reentrant : yes
+ * @li ISR Callable : yes
+ *
+ */
+PUBLIC IX_SSP_STATUS
+ixSspAccTxFIFOHitOrBelowThresholdCheck (
+ void);
+
+/**
+ * @ingroup IxSspAcc
+ *
+ * @fn ixSspAccRxFIFOHitOrAboveThresholdCheck (
+ void)
+ *
+ * @brief Check if the Rx FIFO threshold has been hit or exceeded.
+ *
+ * @param - None
+ *
+ * Global Data :
+ * - None.
+ *
+ * This API will return whether the Rx FIFO level is below threshold or not
+ *
+ * @return
+ * - IX_SSP_RX_FIFO_HIT_ABOVE_THRESHOLD - Rx FIFO level hit or exceeded threshold
+ * - IX_SSP_RX_FIFO_BELOW_THRESHOLD - Rx FIFO level below threshold
+ * - IX_SSP_NOT_INIT - SSP not initialized. SSP init needs to be called.
+ *
+ * @li Reentrant : yes
+ * @li ISR Callable : yes
+ *
+ */
+PUBLIC IX_SSP_STATUS
+ixSspAccRxFIFOHitOrAboveThresholdCheck (
+ void);
+
+
+/**
+ * Configuration functions
+ *
+ * NOTE: These configurations are not required to be called once init is called
+ * unless configurations need to be changed on the fly.
+ */
+
+/**
+ * @ingroup IxSspAcc
+ *
+ * @fn ixSspAccSSPPortStatusSet (
+ IxSspAccPortStatus portStatusSelected)
+ *
+ * @brief Enables/disables the SSP Serial Port hardware.
+ *
+ * @param "IxSspAccPortStatus [in] portStatusSelected" - Set the SSP port to
+ * enable or disable
+ *
+ * Global Data :
+ * - None.
+ *
+ * This API will enable/disable the SSP Serial Port hardware.
+ * NOTE: This function is called by init to enable the SSP after setting up the
+ * configurations and by uninit to disable the SSP.
+ *
+ * @return
+ * - IX_SSP_SUCCESS - Port status set with valid enum value
+ * - IX_SSP_FAIL - invalid enum value
+ * - IX_SSP_NOT_INIT - SSP not initialized. SSP init needs to be called.
+ *
+ * @li Reentrant : yes
+ * @li ISR Callable : yes
+ *
+ */
+PUBLIC IX_SSP_STATUS
+ixSspAccSSPPortStatusSet (
+ IxSspAccPortStatus portStatusSelected);
+
+/**
+ * @ingroup IxSspAcc
+ *
+ * @fn ixSspAccFrameFormatSelect (
+ IxSspAccFrameFormat frameFormatSelected)
+ *
+ * @brief Sets the frame format for the SSP Serial Port hardware
+ *
+ * @param "IxSspAccFrameFormat [in] frameFormatSelected" - The frame format of
+ * SPI, SSP or Microwire can be selected as the format
+ *
+ * Global Data :
+ * - None.
+ *
+ * This API will set the format for the transfers via user input.
+ * *NOTE*: The SSP hardware will be disabled to clear the FIFOs. Then its
+ * previous state (enabled/disabled) restored after changing the format.
+ *
+ * @return
+ * - IX_SSP_SUCCESS - frame format set with valid enum value
+ * - IX_SSP_INVALID_FRAME_FORMAT_ENUM_VALUE - invalid frame format value
+ * - IX_SSP_NOT_INIT - SSP not initialized. SSP init needs to be called.
+ *
+ * @li Reentrant : yes
+ * @li ISR Callable : yes
+ *
+ */
+PUBLIC IX_SSP_STATUS
+ixSspAccFrameFormatSelect (
+ IxSspAccFrameFormat frameFormatSelected);
+
+/**
+ * @ingroup IxSspAcc
+ *
+ * @fn ixSspAccDataSizeSelect (
+ IxSspAccDataSize dataSizeSelected)
+ *
+ * @brief Sets the data size for transfers
+ *
+ * @param "IxSspAccDataSize [in] dataSizeSelected" - The data size between 4
+ * and 16 that can be selected for data transfers
+ *
+ * Global Data :
+ * - None.
+ *
+ * This API will set the data size for the transfers via user input. It will
+ * disallow the change of the data size if either of the Rx/Tx FIFO is not
+ * empty to prevent data loss.
+ * *NOTE*: The SSP port will be disabled if the FIFOs are found to be empty and
+ * if between the check and disabling of the SSP (which clears the
+ * FIFOs) data is received into the FIFO, it might be lost.
+ * *NOTE*: The FIFOs can be cleared by disabling the SSP Port if necessary to
+ * force the data size change.
+ *
+ * @return
+ * - IX_SSP_SUCCESS - data size set with valid enum value
+ * - IX_SSP_RX_FIFO_NOT_EMPTY - Rx FIFO not empty, data size change is not
+ * allowed.
+ * - IX_SSP_TX_FIFO_NOT_EMPTY - Tx FIFO not empty, data size change is not
+ * allowed.
+ * - IX_SSP_INVALID_DATA_SIZE_ENUM_VALUE - invalid enum value
+ * - IX_SSP_NOT_INIT - SSP not initialized. SSP init needs to be called.
+ *
+ * @li Reentrant : yes
+ * @li ISR Callable : yes
+ *
+ */
+PUBLIC IX_SSP_STATUS
+ixSspAccDataSizeSelect (
+ IxSspAccDataSize dataSizeSelected);
+
+/**
+ * @ingroup IxSspAcc
+ *
+ * @fn ixSspAccClockSourceSelect(
+ IxSspAccClkSource clkSourceSelected)
+ *
+ * @brief Sets the clock source of the SSP Serial Port hardware
+ *
+ * @param "IxSspAccClkSource [in] clkSourceSelected" - The clock source from
+ * either external source on on-chip can be selected as the source
+ *
+ * Global Data :
+ * - None.
+ *
+ * This API will set the clock source for the transfers via user input.
+ *
+ * @return
+ * - IX_SSP_SUCCESS - clock source set with valid enum value
+ * - IX_SSP_INVALID_CLOCK_SOURCE_ENUM_VALUE - invalid enum value
+ * - IX_SSP_NOT_INIT - SSP not initialized. SSP init needs to be called.
+ *
+ * @li Reentrant : yes
+ * @li ISR Callable : yes
+ *
+ */
+PUBLIC IX_SSP_STATUS
+ixSspAccClockSourceSelect (
+ IxSspAccClkSource clkSourceSelected);
+
+/**
+ * @ingroup IxSspAcc
+ *
+ * @fn ixSspAccSerialClockRateConfigure (
+ UINT8 serialClockRateSelected)
+ *
+ * @brief Sets the on-chip Serial Clock Rate of the SSP Serial Port hardware.
+ *
+ * @param "UINT8 [in] serialClockRateSelected" - The serial clock rate that can
+ * be set is between 7.2Kbps and 1.8432Mbps. The formula used is
+ * Bit rate = 3.6864x10^6 / (2 x (SerialClockRateSelected + 1))
+ *
+ * Global Data :
+ * - None.
+ *
+ * This API will set the serial clock rate for the transfers via user input.
+ *
+ * @return
+ * - IX_SSP_SUCCESS - Serial clock rate configured successfully
+ * - IX_SSP_NOT_INIT - SSP not initialized. SSP init needs to be called.
+ *
+ * @li Reentrant : yes
+ * @li ISR Callable : yes
+ *
+ */
+PUBLIC IX_SSP_STATUS
+ixSspAccSerialClockRateConfigure (
+ UINT8 serialClockRateSelected);
+
+/**
+ * @ingroup IxSspAcc
+ *
+ * @fn ixSspAccRxFIFOIntEnable (
+ RxFIFOThresholdHandler rxFIFOIntrHandler)
+ *
+ * @brief Enables service request interrupt whenever the Rx FIFO hits its
+ * threshold
+ *
+ * @param "void [in] *rxFIFOIntrHandler(UINT32)" - function pointer to the
+ * interrupt handler for the Rx FIFO exceeded.
+ *
+ * Global Data :
+ * - None.
+ *
+ * This API will enable the service request interrupt for the Rx FIFO
+ *
+ * @return
+ * - IX_SSP_SUCCESS - Rx FIFO level interrupt enabled successfully
+ * - IX_SSP_RX_FIFO_HANDLER_MISSING - missing handler for Rx FIFO level interrupt
+ * - IX_SSP_POLL_MODE_BLOCKING - poll mode is selected at init, interrupt not
+ * allowed to be enabled. Use init to enable interrupt mode.
+ * - IX_SSP_NOT_INIT - SSP not initialized. SSP init needs to be called.
+ *
+ * @li Reentrant : yes
+ * @li ISR Callable : yes
+ *
+ */
+PUBLIC IX_SSP_STATUS
+ixSspAccRxFIFOIntEnable (
+ RxFIFOThresholdHandler rxFIFOIntrHandler);
+
+/**
+ * @ingroup IxSspAcc
+ *
+ * @fn ixSspAccRxFIFOIntDisable (
+ void)
+ *
+ * @brief Disables service request interrupt of the Rx FIFO.
+ *
+ * @param - None
+ *
+ * Global Data :
+ * - None.
+ *
+ * This API will disable the service request interrupt of the Rx FIFO.
+ *
+ * @return
+ * - IX_SSP_SUCCESS - Rx FIFO Interrupt disabled successfully
+ * - IX_SSP_NOT_INIT - SSP not initialized. SSP init needs to be called.
+ *
+ * @li Reentrant : yes
+ * @li ISR Callable : yes
+ *
+ */
+PUBLIC IX_SSP_STATUS
+ixSspAccRxFIFOIntDisable (
+ void);
+
+/**
+ * @ingroup IxSspAcc
+ *
+ * @fn ixSspAccTxFIFOIntEnable (
+ TxFIFOThresholdHandler txFIFOIntrHandler)
+ *
+ * @brief Enables service request interrupt of the Tx FIFO.
+ *
+ * @param "void [in] *txFIFOIntrHandler(UINT32)" - function pointer to the
+ * interrupt handler for the Tx FIFO exceeded.
+ *
+ * Global Data :
+ * - None.
+ *
+ * This API will enable the service request interrupt of the Tx FIFO.
+ *
+ * @return
+ * - IX_SSP_SUCCESS - Tx FIFO level interrupt enabled successfully
+ * - IX_SSP_TX_FIFO_HANDLER_MISSING - missing handler for Tx FIFO level interrupt
+ * - IX_SSP_POLL_MODE_BLOCKING - poll mode is selected at init, interrupt not
+ * allowed to be enabled. Use init to enable interrupt mode.
+ * - IX_SSP_NOT_INIT - SSP not initialized. SSP init needs to be called.
+ *
+ * @li Reentrant : yes
+ * @li ISR Callable : yes
+ *
+ */
+PUBLIC IX_SSP_STATUS
+ixSspAccTxFIFOIntEnable (
+ TxFIFOThresholdHandler txFIFOIntrHandler);
+
+/**
+ * @ingroup IxSspAcc
+ *
+ * @fn ixSspAccTxFIFOIntDisable (
+ void)
+ *
+ * @brief Disables service request interrupt of the Tx FIFO
+ *
+ * @param - None
+ *
+ * Global Data :
+ * - None.
+ *
+ * This API will disable the service request interrupt of the Tx FIFO
+ *
+ * @return
+ * - IX_SSP_SUCCESS - Tx FIFO Interrupt disabled successfuly.
+ * - IX_SSP_NOT_INIT - SSP not initialized. SSP init needs to be called.
+ *
+ * @li Reentrant : yes
+ * @li ISR Callable : yes
+ *
+ */
+PUBLIC IX_SSP_STATUS
+ixSspAccTxFIFOIntDisable (
+ void);
+
+/**
+ * @ingroup IxSspAcc
+ *
+ * @fn ixSspAccLoopbackEnable (
+ BOOL loopbackEnable)
+ *
+ * @brief Enables/disables the loopback mode
+ *
+ * @param "BOOL [in] loopbackEnable" - True to enable and false to disable.
+ *
+ * Global Data :
+ * - None.
+ *
+ * This API will set the mode of operation to either loopback or normal mode
+ * according to the user input.
+ *
+ * @return
+ * - IX_SSP_SUCCESS - Loopback enabled successfully
+ * - IX_SSP_NOT_INIT - SSP not initialized. SSP init needs to be called.
+ *
+ * @li Reentrant : yes
+ * @li ISR Callable : yes
+ *
+ */
+PUBLIC IX_SSP_STATUS
+ixSspAccLoopbackEnable (
+ BOOL loopbackEnable);
+
+/**
+ * @ingroup IxSspAcc
+ *
+ * @fn ixSspAccSpiSclkPolaritySet (
+ IxSspAccSpiSclkPolarity spiSclkPolaritySelected)
+ *
+ * @brief Sets the SPI SCLK Polarity to Low or High
+ *
+ * @param - "IxSspAccSpiSclkPolarity [in] spiSclkPolaritySelected" - SPI SCLK
+ * polarity that can be selected to either high or low
+ *
+ * Global Data :
+ * - None.
+ *
+ * This API is only used for the SPI frame format and will set the SPI SCLK polarity
+ * to either low or high
+ *
+ * @return
+ * - IX_SSP_SUCCESS - SPI Sclk polarity set with valid enum value
+ * - IX_SSP_INVALID_SPI_POLARITY_ENUM_VALUE - invalid SPI polarity value
+ * - IX_SSP_NOT_INIT - SSP not initialized. SSP init needs to be called.
+ *
+ * @li Reentrant : yes
+ * @li ISR Callable : yes
+ *
+ */
+PUBLIC IX_SSP_STATUS
+ixSspAccSpiSclkPolaritySet (
+ IxSspAccSpiSclkPolarity spiSclkPolaritySelected);
+
+/**
+ * @ingroup IxSspAcc
+ *
+ * @fn ixSspAccSpiSclkPhaseSet (
+ IxSspAccSpiSclkPhase spiSclkPhaseSelected)
+ *
+ * @brief Sets the SPI SCLK Phase
+ *
+ * @param "IxSspAccSpiSclkPhase [in] spiSclkPhaseSelected" - Phase of either
+ * the SCLK is inactive one cycle at the start of a frame and 1/2
+ * cycle at the end of a frame, OR
+ * the SCLK is inactive 1/2 cycle at the start of a frame and one
+ * cycle at the end of a frame.
+ *
+ * Global Data :
+ * - IX_SSP_SUCCESS - SPI Sclk phase set with valid enum value
+ * - IX_SSP_INVALID_SPI_PHASE_ENUM_VALUE - invalid SPI phase value
+ * - IX_SSP_NOT_INIT - SSP not initialized. SSP init needs to be called.
+ *
+ * This API is only used for the SPI frame format and will set the SPI SCLK
+ * phase according to user input.
+ *
+ * @return
+ * - None
+ *
+ * @li Reentrant : yes
+ * @li ISR Callable : yes
+ *
+ */
+PUBLIC IX_SSP_STATUS
+ixSspAccSpiSclkPhaseSet (
+ IxSspAccSpiSclkPhase spiSclkPhaseSelected);
+
+/**
+ * @ingroup IxSspAcc
+ *
+ * @fn ixSspAccMicrowireControlWordSet (
+ IxSspAccMicrowireCtlWord microwireCtlWordSelected)
+ *
+ * @brief Sets the Microwire control word to 8 or 16 bit format
+ *
+ * @param "IxSspAccMicrowireCtlWord [in] microwireCtlWordSelected" - Microwire
+ * control word format can be either 8 or 16 bit format
+ *
+ * Global Data :
+ * - None.
+ *
+ * This API is only used for the Microwire frame format and will set the
+ * control word to 8 or 16 bit format
+ *
+ * @return
+ * - IX_SSP_SUCCESS - Microwire Control Word set with valid enum value
+ * - IX_SSP_TX_FIFO_NOT_EMPTY - Tx FIFO not empty, data size change is not
+ * allowed.
+ * - IX_SSP_INVALID_MICROWIRE_CTL_CMD_ENUM_VALUE - invalid enum value
+ * - IX_SSP_NOT_INIT - SSP not initialized. SSP init needs to be called.
+ *
+ * @li Reentrant : yes
+ * @li ISR Callable : yes
+ *
+ */
+PUBLIC IX_SSP_STATUS
+ixSspAccMicrowireControlWordSet (
+ IxSspAccMicrowireCtlWord microwireCtlWordSelected);
+
+/**
+ * @ingroup IxSspAcc
+ *
+ * @fn ixSspAccTxFIFOThresholdSet (
+ IxSspAccFifoThreshold txFIFOThresholdSelected)
+ *
+ * @brief Sets the Tx FIFO Threshold.
+ *
+ * @param "IxSspAccFifoThreshold [in] txFIFOThresholdSelected" - Threshold that
+ * is set for a Tx FIFO service request to be triggered
+ *
+ * Global Data :
+ * - None.
+ *
+ * This API will set the threshold for a Tx FIFO threshold to be triggered
+ *
+ * @return
+ * - IX_SSP_SUCCESS - Tx FIFO Threshold set with valid enum value
+ * - IX_SSP_INVALID_TX_FIFO_THRESHOLD_ENUM_VALUE - invalid enum value
+ * - IX_SSP_NOT_INIT - SSP not initialized. SSP init needs to be called.
+ *
+ * @li Reentrant : yes
+ * @li ISR Callable : yes
+ *
+ */
+PUBLIC IX_SSP_STATUS
+ixSspAccTxFIFOThresholdSet (
+ IxSspAccFifoThreshold txFIFOThresholdSelected);
+
+/**
+ * @ingroup IxSspAcc
+ *
+ * @fn ixSspAccRxFIFOThresholdSet (
+ IxSspAccFifoThreshold rxFIFOThresholdSelected)
+ *
+ * @brief Sets the Rx FIFO Threshold.
+ *
+ * @param "IxSspAccFifoThreshold [in] rxFIFOThresholdSelected" - Threshold that
+ * is set for a Tx FIFO service request to be triggered
+ *
+ * Global Data :
+ * - None.
+ *
+ * This API will will set the threshold for a Rx FIFO threshold to be triggered
+ *
+ * @return
+ * - IX_SSP_SUCCESS - Rx FIFO Threshold set with valid enum value
+ * - IX_SSP_INVALID_RX_FIFO_THRESHOLD_ENUM_VALUE - invalid enum value
+ * - IX_SSP_NOT_INIT - SSP not initialized. SSP init needs to be called.
+ *
+ * @li Reentrant : yes
+ * @li ISR Callable : yes
+ *
+ */
+PUBLIC IX_SSP_STATUS
+ixSspAccRxFIFOThresholdSet (
+ IxSspAccFifoThreshold rxFIFOThresholdSelected);
+
+
+/**
+ * Debug functions
+ */
+
+/**
+ * @ingroup IxSspAcc
+ *
+ * @fn ixSspAccStatsGet (
+ IxSspAccStatsCounters *sspStats)
+ *
+ * @brief Returns the SSP Statistics through the pointer passed in
+ *
+ * @param "IxSspAccStatsCounters [in] *sspStats" - SSP statistics counter will
+ * be read and written to the location pointed by this pointer.
+ *
+ * Global Data :
+ * - None.
+ *
+ * This API will return the statistics counters of the SSP transfers.
+ *
+ * @return
+ * - IX_SSP_SUCCESS - Stats obtained into the pointer provided successfully
+ * - IX_SSP_FAIL - client provided pointer is NULL
+ *
+ * @li Reentrant : yes
+ * @li ISR Callable : yes
+ *
+ */
+PUBLIC IX_SSP_STATUS
+ixSspAccStatsGet (
+ IxSspAccStatsCounters *sspStats);
+
+/**
+ * @ingroup IxSspAcc
+ *
+ * @fn ixSspAccStatsReset (
+ void)
+ *
+ * @brief Resets the SSP Statistics
+ *
+ * @param - None
+ *
+ * Global Data :
+ * - None.
+ *
+ * This API will reset the SSP statistics counters.
+ *
+ * @return
+ * - None
+ *
+ * @li Reentrant : yes
+ * @li ISR Callable : yes
+ *
+ */
+PUBLIC void
+ixSspAccStatsReset (
+ void);
+
+/**
+ * @ingroup IxSspAcc
+ *
+ * @fn ixSspAccShow (
+ void)
+ *
+ * @brief Display SSP status registers and statistics counters.
+ *
+ * @param - None
+ *
+ * Global Data :
+ * - None.
+ *
+ * This API will display the status registers of the SSP and the statistics
+ * counters.
+ *
+ * @return
+ * - IX_SSP_SUCCESS - SSP show called successfully.
+ * - IX_SSP_NOT_INIT - SSP not initialized. SSP init needs to be called.
+ *
+ * @li Reentrant : yes
+ * @li ISR Callable : yes
+ *
+ */
+PUBLIC IX_SSP_STATUS
+ixSspAccShow (
+ void);
+
+/**
+ * @ingroup IxSspAcc
+ *
+ * @fn ixSspAccSSPBusyCheck (
+ void)
+ *
+ * @brief Determine the state of the SSP serial port hardware.
+ *
+ * @param - None
+ *
+ * Global Data :
+ * - None.
+ *
+ * This API will return the state of the SSP serial port hardware - busy or
+ * idle
+ *
+ * @return
+ * - IX_SSP_BUSY - SSP is busy
+ * - IX_SSP_IDLE - SSP is idle.
+ * - IX_SSP_NOT_INIT - SSP not initialized. SSP init needs to be called.
+ *
+ * @li Reentrant : yes
+ * @li ISR Callable : yes
+ *
+ */
+PUBLIC IX_SSP_STATUS
+ixSspAccSSPBusyCheck (
+ void);
+
+/**
+ * @ingroup IxSspAcc
+ *
+ * @fn ixSspAccTxFIFOLevelGet (
+ void)
+ *
+ * @brief Obtain the Tx FIFO's level
+ *
+ * @param - None
+ *
+ * Global Data :
+ * - None.
+ *
+ * This API will return the level of the Tx FIFO
+ *
+ * @return
+ * - 0..16; 0 can also mean SSP not initialized and will need to be init.
+ *
+ * @li Reentrant : yes
+ * @li ISR Callable : yes
+ *
+ */
+PUBLIC UINT8
+ixSspAccTxFIFOLevelGet (
+ void);
+
+/**
+ * @ingroup IxSspAcc
+ *
+ * @fn ixSspAccRxFIFOLevelGet (
+ void)
+ *
+ * @brief Obtain the Rx FIFO's level
+ *
+ * @param - None
+ *
+ * Global Data :
+ * - None.
+ *
+ * This API will return the level of the Rx FIFO
+ *
+ * @return
+ * - 0..16; 0 can also mean SSP not initialized and will need to be init.
+ *
+ * @li Reentrant : yes
+ * @li ISR Callable : yes
+ *
+ */
+PUBLIC UINT8
+ixSspAccRxFIFOLevelGet (
+ void);
+
+/**
+ * @ingroup IxSspAcc
+ *
+ * @fn ixSspAccRxFIFOOverrunCheck (
+ void)
+ *
+ * @brief Check if the Rx FIFO has overrun its FIFOs
+ *
+ * @param - None
+ *
+ * Global Data :
+ * - None.
+ *
+ * This API will return whether the Rx FIFO has overrun its 16 FIFOs
+ *
+ * @return
+ * - IX_SSP_OVERRUN_OCCURRED - Rx FIFO overrun occurred
+ * - IX_SSP_NO_OVERRUN - Rx FIFO did not overrun
+ * - IX_SSP_NOT_INIT - SSP not initialized. SSP init needs to be called.
+ *
+ * @li Reentrant : yes
+ * @li ISR Callable : yes
+ *
+ */
+PUBLIC IX_SSP_STATUS
+ixSspAccRxFIFOOverrunCheck (
+ void);
+
+#endif /* __ixp46X */
+#endif /* IXSSPACC_H */