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/*
* Copyright 2004-2011 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
*/
/*!
* @defgroup DAM Digital Audio Multiplexer (AUDMUX) Driver
*/
/*!
* @file dam.h
* @brief This is the brief documentation for this dam.h file.
*
* This header file contains DAM driver functions prototypes.
*
* @ingroup DAM
*/
#ifndef __MXC_DAM_H__
#define __MXC_DAM_H__
/*!
* This enumeration describes the Digital Audio Multiplexer mode.
*/
typedef enum {
/*!
* Normal mode
*/
normal_mode = 0,
/*!
* Internal network mode
*/
internal_network_mode = 1,
/*!
* CE bus network mode
*/
CE_bus_network_mode = 2
} dam_mode;
/*!
* This enumeration describes the port.
*/
typedef enum {
/*!
* The port 1
*/
port_1 = 0,
/*!
* The port 2
*/
port_2 = 1,
/*!
* The port 3
*/
port_3 = 2,
/*!
* The port 4
*/
port_4 = 3,
/*!
* The port 5
*/
port_5 = 4,
/*!
* The port 6
*/
port_6 = 5,
/*!
* The port 7
*/
port_7 = 6
} dam_port;
/*!
* This enumeration describes the signal direction.
*/
typedef enum {
/*!
* Signal In
*/
signal_in = 0,
/*!
* Signal Out
*/
signal_out = 1
} signal_direction;
/*!
* Test purpose definition
*/
#define TEST_DAM 1
#ifdef TEST_DAM
#define DAM_IOCTL 0x55
#define DAM_CONFIG_SSI1_MC13783 _IOWR(DAM_IOCTL, 1, int)
#define DAM_CONFIG_SSI2_MC13783 _IOWR(DAM_IOCTL, 2, int)
#define DAM_CONFIG_SSI_NETWORK_MODE_MC13783 _IOWR(DAM_IOCTL, 3, int)
#endif
/*!
* This function selects the operation mode of the port.
*
* @param port the DAM port to configure
* @param the_mode the operation mode of the port
* @return This function returns the result of the operation
* (0 if successful, -1 otherwise).
*/
int dam_select_mode(dam_port port, dam_mode the_mode);
/*!
* This function controls Receive clock signal direction for the port.
*
* @param port the DAM port to configure
* @param direction the Rx clock signal direction
*/
void dam_select_RxClk_direction(dam_port port, signal_direction direction);
/*!
* This function controls Receive clock signal source for the port.
*
* @param p_config the DAM port to configure
* @param from_RxClk the signal comes from RxClk or TxClk of
* the source port
* @param p_source the source port
*/
void dam_select_RxClk_source(dam_port p_config, bool from_RxClk,
dam_port p_source);
/*!
* This function selects the source port for the RxD data.
*
* @param p_config the DAM port to configure
* @param p_source the source port
*/
void dam_select_RxD_source(dam_port p_config, dam_port p_source);
/*!
* This function controls Receive Frame Sync signal direction for the port.
*
* @param port the DAM port to configure
* @param direction the Rx Frame Sync signal direction
*/
void dam_select_RxFS_direction(dam_port port, signal_direction direction);
/*!
* This function controls Receive Frame Sync signal source for the port.
*
* @param p_config the DAM port to configure
* @param from_RxFS the signal comes from RxFS or TxFS of
* the source port
* @param p_source the source port
*/
void dam_select_RxFS_source(dam_port p_config, bool from_RxFS,
dam_port p_source);
/*!
* This function controls Transmit clock signal direction for the port.
*
* @param port the DAM port to configure
* @param direction the Tx clock signal direction
*/
void dam_select_TxClk_direction(dam_port port, signal_direction direction);
/*!
* This function controls Transmit clock signal source for the port.
*
* @param p_config the DAM port to configure
* @param from_RxClk the signal comes from RxClk or TxClk of
* the source port
* @param p_source the source port
*/
void dam_select_TxClk_source(dam_port p_config, bool from_RxClk,
dam_port p_source);
/*!
* This function controls Transmit Frame Sync signal direction for the port.
*
* @param port the DAM port to configure
* @param direction the Tx Frame Sync signal direction
*/
void dam_select_TxFS_direction(dam_port port, signal_direction direction);
/*!
* This function controls Transmit Frame Sync signal source for the port.
*
* @param p_config the DAM port to configure
* @param from_RxFS the signal comes from RxFS or TxFS of
* the source port
* @param p_source the source port
*/
void dam_select_TxFS_source(dam_port p_config, bool from_RxFS,
dam_port p_source);
/*!
* This function sets a bit mask that selects the port from which of
* the RxD signals are to be ANDed together for internal network mode.
* Bit 6 represents RxD from Port7 and bit0 represents RxD from Port1.
* 1 excludes RxDn from ANDing. 0 includes RxDn for ANDing.
*
* @param port the DAM port to configure
* @param bit_mask the bit mask
* @return This function returns the result of the operation
* (0 if successful, -1 otherwise).
*/
int dam_set_internal_network_mode_mask(dam_port port, unsigned char bit_mask);
/*!
* This function controls whether or not the port is in synchronous mode.
* When the synchronous mode is selected, the receive and the transmit sections
* use common clock and frame sync signals.
* When the synchronous mode is not selected, separate clock and frame sync
* signals are used for the transmit and the receive sections.
* The defaut value is the synchronous mode selected.
*
* @param port the DAM port to configure
* @param synchronous the state to assign
*/
void dam_set_synchronous(dam_port port, bool synchronous);
/*!
* This function swaps the transmit and receive signals from (Da-TxD, Db-RxD) to
* (Da-RxD, Db-TxD).
* This default signal configuration is Da-TxD, Db-RxD.
*
* @param port the DAM port to configure
* @param value the switch state
*/
void dam_switch_Tx_Rx(dam_port port, bool value);
/*!
* This function resets the two registers of the selected port.
*
* @param port the DAM port to reset
*/
void dam_reset_register(dam_port port);
#endif
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