/**
 * Copyright (C) 2006-2014 Ikanos Communications.
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * version 2 as published by the Free Software Foundation. 
 */
#ifndef __IKN_GPIO_REGS_H__

#define __IKN_GPIO_REGS_H__
#include "ikn_types.h"

#define  GPIO_BASE_ADDR     0xB9030000

typedef enum
{
    eGPIO_MODE_NORMAL_INPUT = 0,    //00
    eGPIO_MODE_NORMAL_OUTPUT,       //01
    eGPIO_MODE_OPEN_DRAIN,          //10
    eGPIO_MODE_OPEN_SOURCE          //11
}eGPIOMode_t;


typedef enum
{
    eGPIO_CLEAR = 0,
    eGPIO_SET   = 1
}eGPIOBitVal_t;

typedef enum
{
    eGPIO_B_MIN = -1,
    eGPIO_B_0   =  0,
    eGPIO_B_1   =  1,
    eGPIO_B_2   =  2,
    eGPIO_B_3   =  3,
    eGPIO_B_4   =  4,
    eGPIO_B_5   =  5,
    eGPIO_B_6   =  6,
    eGPIO_B_7   =  7,
    eGPIO_B_8   =  8,
    eGPIO_B_9   =  9,
    eGPIO_B_10  =  10,
    eGPIO_B_11  =  11,
    eGPIO_B_12  =  12,
    eGPIO_B_13  =  13,
    eGPIO_B_14  =  14,
    eGPIO_B_15  =  15,
    eGPIO_B_16  =  16,
    eGPIO_B_17  =  17,
    eGPIO_B_18  =  18,
    eGPIO_B_19  =  19,
    eGPIO_B_20  =  20,
    eGPIO_B_21  =  21,
    eGPIO_B_22  =  22,
    eGPIO_B_23  =  23,
    eGPIO_B_24  =  24,
    eGPIO_B_25  =  25,
    eGPIO_B_26  =  26,
    eGPIO_B_27  =  27,
    eGPIO_B_28  =  28,
    eGPIO_B_29  =  29,
    eGPIO_B_30  =  30,
    eGPIO_B_31  =  31,
    eGPIO_B_MAX =  32
}eGPIOPins_t;

/* 
 * Following is the alternate function table 
 * +-----------------------------------------------------------------+
 * |           |  -                        |  Input                  |
 * + GPIO_B_0  +---------------------------+-------------------------+
 * |           |  SFLASH_CS                |  Output                 |
 * +-----------+---------------------------+-------------------------+
 * |           |  -                        |  Input                  |
 * + GPIO_B_1  +---------------------------+-------------------------+
 * |           |  SFLASH_HOLD              |  Output                 |
 * +-----------+---------------------------+-------------------------+
 * |           |  -                        |  Input                  |
 * + GPIO_B_2  +---------------------------+-------------------------+
 * |           |  SFLASH_WP                |  Output                 |
 * +-----------+---------------------------+-------------------------+
 * |           |  SPI_SLV_CS               |  Input                  |
 * + GPIO_B_3  +---------------------------+-------------------------+
 * |           |                           |  Output                 |
 * +-----------+---------------------------+-------------------------+
 * |           |  -                        |  Input                  |
 * + GPIO_B_4  +---------------------------+-------------------------+
 * |           |  SPI_CS0_OUT              |  Output                 |
 * +-----------+---------------------------+-------------------------+
 * |           |  -                        |  Input                  |
 * + GPIO_B_5  +---------------------------+-------------------------+
 * |           |  SPI_CS1_OUT              |  Output                 |
 * +-----------+---------------------------+-------------------------+
 * |           |  -                        |  Input                  |
 * + GPIO_B_6  +---------------------------+-------------------------+
 * |           |  SPI_CS2_OUT              |  Output                 |
 * +-----------+---------------------------+-------------------------+
 * |           |  -                        |  Input                  |
 * + GPIO_B_7  +---------------------------+-------------------------+
 * |           |  SPI_CS3_OUT              |  Output                 |
 * +-----------+---------------------------+-------------------------+
 * |           |  -                        |  Input                  |
 * + GPIO_B_8  +---------------------------+-------------------------+
 * |           |  SPI_CS4_OUT              |  Output                 |
 * +-----------+---------------------------+-------------------------+
 * |           |  -                        |  Input                  |
 * + GPIO_B_9  +---------------------------+-------------------------+
 * |           |  SPI_CS5_OUT              |  Output                 |
 * +-----------+---------------------------+-------------------------+
 * |           |  -                        |  Input                  |
 * + GPIO_B_10 +---------------------------+-------------------------+
 * |           |  SPI_CS6_OUT              |  Output                 |
 * +-----------+---------------------------+-------------------------+
 * |           |  -                        |  Input                  |
 * + GPIO_B_11 +---------------------------+-------------------------+
 * |           |  UART2_TXD                |  Output                 |
 * +-----------+---------------------------+-------------------------+
 * |           |  UART2_RXD                |  Input                  |
 * + GPIO_B_12 +---------------------------+-------------------------+
 * |           |  -                        |  Output                 |
 * +-----------+---------------------------+-------------------------+
 * |           |  -                        |  Input                  |
 * + GPIO_B_13 +---------------------------+-------------------------+
 * |           |  UART2_RTS                |  Output                 |
 * +-----------+---------------------------+-------------------------+
 * |           |  UART2_CTS                |  Input                  |
 * + GPIO_B_14 +---------------------------+-------------------------+
 * |           |  DSP_ELOUT                |  Output                 |
 * +-----------+---------------------------+-------------------------+
 * |           |  SATA_MP_SWITCH           |  Input                  |
 * + GPIO_B_15 +---------------------------+-------------------------+
 * |           |  DSP_NEMS                 |  Output                 |
 * +-----------+---------------------------+-------------------------+
 * |           |  SATA_CP_DETECT           |  Input                  |
 * + GPIO_B_16 +---------------------------+-------------------------+
 * |           |  DSP_NEBG                 |  Output                 |
 * +-----------+---------------------------+-------------------------+
 * |           |  DSP_ECLK                 |  Input                  |
 * + GPIO_B_17 +---------------------------+-------------------------+
 * |           |  PLL_TEST (USB_REF_CLK,   |  Output                 |
 * |           |  AHB_CLK,FT_CLK,DSP_CLK)  |                         |
 * +-----------+---------------------------+-------------------------+
 * |           |  DSP_NERESET              |  Input                  |
 * + GPIO_B_18 +---------------------------+-------------------------+
 * |           |  SATA_CP_POD              |  Output                 |
 * +-----------+---------------------------+-------------------------+
 * |           |  DSP_EE                   |  Input                  |
 * + GPIO_B_19 +---------------------------+-------------------------+
 * |           |  DSP0_FP2S                |  Output                 |
 * +-----------+---------------------------+-------------------------+
 * |           |  DSP_NEINT                |  Input                  |
 * + GPIO_B_20 +---------------------------+-------------------------+
 * |           |  DSP0_PF3                 |  Output                 |
 * +-----------+---------------------------+-------------------------+
 * |           |  DSP_NEBR                 |  Input                  |
 * + GPIO_B_21 +---------------------------+-------------------------+
 * |           |  DSP1_PF2                 |  Output                 |
 * +-----------+---------------------------+-------------------------+
 * |           |  DSP_ELIN                 |  Input                  |
 * + GPIO_B_22 +---------------------------+-------------------------+
 * |           |  DSP_PF3                  |  Output                 |
 * +-----------+---------------------------+-------------------------+
 * |           |  -                        |  Input                  |
 * + GPIO_B_23 +---------------------------+-------------------------+
 * |           |  GIGE0_AP_DEBUG           |  Output                 |
 * +-----------+---------------------------+-------------------------+
 * |           |  INT[56]/TIMER0_ENABLE    |  Input                  |
 * + GPIO_B_24 +---------------------------+-------------------------+
 * |           |  GIGIE1_AP_DEBUG          |  Output                 |
 * +-----------+---------------------------+-------------------------+
 * |           |  INT[57]/TIMER1_ENABLE    |  Input                  |
 * + GPIO_B_25 +---------------------------+-------------------------+
 * |           |  GIGE2/VAP_AP_DEBUG       |  Output                 |
 * +-----------+---------------------------+-------------------------+
 * |           |  INT[58]/TIMER2_ENABLE    |  Input                  |
 * + GPIO_B_26 +---------------------------+-------------------------+
 * |           |  CLASS1_AP_DEBUG          |  Output                 |
 * +-----------+---------------------------+-------------------------+
 * |           |  INT[59]/TIMER3_ENABLE    |  Input                  |
 * + GPIO_B_27 +---------------------------+-------------------------+
 * |           |  CLASS2_AP_DEBUG          |  Output                 |
 * +-----------+---------------------------+-------------------------+
 * |           |  INT[60]                  |  Input                  |
 * + GPIO_B_28 +---------------------------+-------------------------+
 * |           |  BMU_AP_DEBUG             |  Output                 |
 * +-----------+---------------------------+-------------------------+
 * |           |  INT[61]                  |  Input                  |
 * + GPIO_B_29 +---------------------------+-------------------------+
 * |           |  SPA_DEBUG                |  Output                 |
 * +-----------+---------------------------+-------------------------+
 * |           |  INT[62]/DYING_GASP       |  Input                  |
 * + GPIO_B_30 +---------------------------+-------------------------+
 * |           |  HAP_AP_DEBUG             |  Output                 |
 * +-----------+---------------------------+-------------------------+
 * |           |  INT[63]                  |  Input                  |
 * + GPIO_B_31 +---------------------------+-------------------------+
 * |           |  -                        |  Output                 |
 * +-----------+---------------------------+-------------------------+
 */

typedef struct gpioRegs_s
{
    reg32Bit regGPIOInput;              //0xb9030000
    reg32Bit regGPIOOutputSet;          //0xb9030004
    reg32Bit regGPIOOutputClear;        //0xb9030008
    reg32Bit regGPIOMode1;              //0xb903000c
    reg32Bit regGPIOMode2;              //0xb9030010
    reg32Bit regGPIOAltFuncSel;         //0xb9030014
    reg32Bit regGPIODefAltFuncVal;      //0xb9030018
}gpioRegs_t;


#endif