xspccardsocket.h

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/******************************************************************************
**
**  COPYRIGHT (C) 2000 - 2003 Intel Corporation.
**
**  This software as well as the software described in it is furnished under 
**  license and may only be used or copied in accordance with the terms of the 
**  license. The information in this file is furnished for informational use 
**  only, is subject to change without notice, and should not be construed as 
**  a commitment by Intel Corporation. Intel Corporation assumes no 
**  responsibility or liability for any errors or inaccuracies that may appear 
**  in this document or any software that may be provided in association with 
**  this document. 
**  Except as permitted by such license, no part of this document may be 
**  reproduced, stored in a retrieval system, or transmitted in any form or by 
**  any means without the express written consent of Intel Corporation. 
**
**  FILENAME:       XsPcCardSocket.h
**
**  PURPOSE:        This file contains the PCMCIA device driver definitions
**                  for the Intel(r) XScale(tm) Microarchitecture.
**
**  LAST MODIFIED:  $Modtime: 7/10/03 1:51p $
******************************************************************************/

#ifndef __XSPCCARDSOCKET_H__
#define __XSPCCARDSOCKET_H__

#include "xllp_defs.h"
#include "xllp_gpio.h"
#include "xllp_serialization.h"
#include "xllp_bcr.h"
#include "xllp_ost.h"
#include "xllp_memctrl.h"

#define XS_MAINSTONE_MAX_PCCARD_SOCKETS 2

#define XS_PCCARD_SOCKET0 0
#define XS_PCCARD_SOCKET1 1

#define XS_NULL_PTR (void *)0

#define XS_PCCARD_MAX_READY_WAIT_TIME 2000
#define XS_PCCARD_READY_POLL_INTERVAL 50

#define TIMERTICK 4     //1 microsecond is 3.7 clock ticks

//PC Card Socket State structure
typedef struct __Xs_PCCardSocketState_S
{
    XLLP_VUINT8_T blSocket0CDState;
    XLLP_VUINT8_T blSocket0CDIntState;
    XLLP_VUINT8_T blSocket0BVD1State;
    XLLP_VUINT8_T blSocket0BVD2State;
    XLLP_VUINT8_T blSocket0WPState;
    XLLP_VUINT8_T blSocket0IREQState;

    XLLP_VUINT8_T blSocket1CDState;
    XLLP_VUINT8_T blSocket1CDIntState;
    XLLP_VUINT8_T blSocket1BVD1State;
    XLLP_VUINT8_T blSocket1BVD2State;
    XLLP_VUINT8_T blSocket1WPState;
    XLLP_VUINT8_T blSocket1IREQState;

}XS_PCCARD_SOCKET_STATE_T, *P_XS_PCCARD_SOCKET_STATE_T;

//PC Card Socket Device Handle. This handle is common for all sockets.
typedef struct __Xs_PCCardSocket_S
{
    XLLP_GPIO_T *pstrGpioRegsHandle;                       //Pointer to the BULVERDE GPIO registers base
    XLLP_BCR_T  *pstrBcrHandle;                            //Pointer to the MAINSTONE Board Control registers structure
    XLLP_OST_T  *pstrOstRegsHandle;                        //Pointer to the OST registers base
    XLLP_MEMORY_CONTROL_REGISTER_T *pstrMemCtrlRegsHandle; //Pointer to the Expansion Memory Timing registers base
    XS_PCCARD_SOCKET_STATE_T *pstrPCCardSocketState;     //Pointer to the Socket State structure

}XS_PCCARD_SOCKET_T, *P_XS_PCCARD_SOCKET_T;

//Possible return states for the PC Card Socket API functions
typedef enum __XsStatus_S
{
    XS_PCCARD_SUCCESS = 0,
    XS_PCCARD_FAILURE = 1,
    XS_PCCARD_INVALID_SOCKET_NUMBER = 2,
    XS_PCCARD_INVALID_POINTER_ALLOC = 3
}XS_STATUS_T;


// Function prototypes
XS_STATUS_T XsPcCardHWSetup(XS_PCCARD_SOCKET_T *pstrSocketHandle);
void XsPcCardConfigureGPIOs(XS_PCCARD_SOCKET_T *pstrSocketHandle);
XS_STATUS_T XsPcCardGetSocketState(XS_PCCARD_SOCKET_T *pstrSocketHandle,
                                   XLLP_VUINT16_T ushSocketNumber);
XS_STATUS_T XsPcCardResetSocket(XS_PCCARD_SOCKET_T *pstrSocketHandle,
                                XLLP_VUINT16_T ushSocketNumber);
XS_STATUS_T XsPcCardEnableSocket(XS_PCCARD_SOCKET_T *pstrSocketHandle,
                                 XLLP_VUINT16_T ushSocketNumber);
XS_STATUS_T XsPcCardDisableSocket(XS_PCCARD_SOCKET_T *pstrSocketHandle,
                                  XLLP_VUINT16_T ushSocketNumber);

#endif //__XSPCCARDSOCKET_H__