sys_cpld.h

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/*****************************************************************************
                           C   H E A D E R   F I L E

    Copyright (c) 2003 Neuros Audio LLC, All rights reserved.

******************************************************************************/


#ifndef SYS_CPLD__H
#define SYS_CPLD__H
/*---------------------------------------------------------------------------*/
#ifdef __cplusplus
extern "C" {
#endif

/*-- HEADER FILE INCLUDES ---------------------------------------------------*/

/*-- SHARED DEFINITIONS -----------------------------------------------------*/

/* System IO ports definitions. */
ioport int port0000;
ioport int port0001;
ioport int port0002;
ioport int port0003;
ioport int port0004;
ioport int port0005;
ioport int port0006;
ioport int port0007;
ioport int port0008;
ioport int port0009;
ioport int port000a;
ioport int port000b;
ioport int port000c;
ioport int port000d;
ioport int port000e;
ioport int port000f;
ioport int port1000;
ioport int port1001;   
ioport int port1002;   
ioport int port1003;   
ioport int port1004;   
ioport int port1005;   
ioport int port1006;   
ioport int port1007;         
ioport int port1008;    
ioport int port1009;    
ioport int port100a;         
ioport int port100b;
ioport int port100c;
ioport int port100d;
ioport int port100e;
ioport int port100f;
ioport int port200f;

ioport int port8000;
ioport int port8001;
ioport int port800e;
ioport int port800f;

/********************************************************************/
#define LED_KBD_ALL     port0008 // LED for all keys except HISI.
#define LED_KBD_HISI    port1007 // LED for HiSi button.

/********************************************************************/
#define HDD_ID          port800f
#define SHUT_DOWN       port1000

/********************************************************************/
#define RS_CTRL         port100c // write to set; read to clear, don't care data
#define LCD_ACCESS      port100d // data and command access

/********************************************************************/
#define CPLD_CE0        port0003 // NAND FLASH device 0
#define CPLD_CE1        port0004 // NAND FLASH device 1
#define CPLD_CLE        port0000 // NAND FLASH CLE
#define CPLD_ALE        port0001 // NAND FLASH ALE
#define CPLD_nWP        port0002 // NAND FLASH write protect
#define CPLD_RDWR       port0005 // active on READ on read or WRITE on write

/********************************************************************/
// Write to set pin, read to clear pin
#define TUNER_DAT       port0006 // tuner data line
#define TUNER_WR        port000c // TUNER write/read line
#define TUNER_CLK       port000e // tuner clock
#define TUNER_MOST      port0007 // currently the same as the RTC enable line.

/********************************************************************/
#define RTC_EN          port0007 // real time clock enable

/********************************************************************/
#define SPI_DATA        port000a // SPI Data
#define SPI_CLK         port0009 // SPI Clock
#define SPI_DIN         port1009 // separate input data line for serial port

/********************************************************************/
#define CPLD_EN         port000b // CPLD Enable line for SPI
#define CODEC_EN        port000d // codec enable line
#define CPLD_CLKCTRL    port1001 // when set, CPLD clock is on and set to 6 MHz
#define CODEC_CLKSRC    port1002 // selects CODEC clock, 0 = 12 MHz system clock
                                 // 1 = DSP CLKOUT/2, CLKOUT should be set to /4
                                 // with a 120MHz clock.

/********************************************************************/
// External hardware detection
#define SYS_isHPpresent()   ((port100e)&0x01)   /* Headphone detection. */
#define SYS_isLIpresent()   ((port100f)&0x01)   /* Line in detection. */

/********************************************************************/
#define USB_CE          port000f // enables PDIUSBD12 on reads or writes
#define CMD_port        port200f
#define DATA_port       port000f

/********************************************************************/
// GPIO regsiter bits.
#define VCTRL_XMIT  0x80;   /* Set this bit to disable the transmitter VCO */
#define VCTRL_TUNER 0x40;   /* Set this bit to disable the tuner */

/*-- FUNCTION PROTOTYPES ----------------------------------------------------*/

/*---------------------------------------------------------------------------*/
#ifdef __cplusplus
}
#endif

/*---------------------------------------------------------------------------*/
#endif /* SYS_CPLD__H */


/*****************************************************************************
                Neuros Audio LLC. Confidential Proprietary
 *****************************************************************************/

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