Subversion Repositories openrisc

#ifndef CYGONCE_PCMCIA_H

#define CYGONCE_PCMCIA_H

// ====================================================================

//

//      pcmcia.h

//

//      Device I/O 

//

// ====================================================================

// ####ECOSGPLCOPYRIGHTBEGIN####                                            

// -------------------------------------------                              

// This file is part of eCos, the Embedded Configurable Operating System.   

// Copyright (C) 1998, 1999, 2000, 2001, 2002, 2004 Free Software Foundation, Inc.

//

// eCos is free software; you can redistribute it and/or modify it under    

// the terms of the GNU General Public License as published by the Free     

// Software Foundation; either version 2 or (at your option) any later      

// version.                                                                 

//

// eCos is distributed in the hope that it will be useful, but WITHOUT      

// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or    

// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License    

// for more details.                                                        

//

// You should have received a copy of the GNU General Public License        

// along with eCos; if not, write to the Free Software Foundation, Inc.,    

// 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.            

//

// As a special exception, if other files instantiate templates or use      

// macros or inline functions from this file, or you compile this file      

// and link it with other works to produce a work based on this file,       

// this file does not by itself cause the resulting work to be covered by   

// the GNU General Public License. However the source code for this file    

// must still be made available in accordance with section (3) of the GNU   

// General Public License v2.                                               

//

// This exception does not invalidate any other reasons why a work based    

// on this file might be covered by the GNU General Public License.         

// -------------------------------------------                              

// ####ECOSGPLCOPYRIGHTEND####                                              

// ====================================================================

//#####DESCRIPTIONBEGIN####

//

// Author(s):     gthomas

// Contributors:  gthomas

// Date:          2000-07-06

// Purpose:       Interfaces for PCMCIA I/O drivers

// Description:

//

//####DESCRIPTIONEND####

//

// ====================================================================

// PCMCIA I/O interfaces

#include <pkgconf/system.h>

#include <pkgconf/io_pcmcia.h>

#include <cyg/infra/cyg_type.h>

#include <cyg/hal/drv_api.h>

struct cf_irq_handler {

    void         (*handler)(int, int, void *);

    void          *param;

};

// Basic information about a slot/device

struct cf_slot {

    int            index;       // In case hardware layer needs it

    int            state;

    unsigned char *attr;

    int            attr_length;

    unsigned char *io;

    int            io_length;

    unsigned char *mem;

    int            mem_length;

    int            int_num;    // Hardware interrupt number

    struct cf_irq_handler irq_handler;

};

#define CF_SLOT_STATE_Empty     0

#define CF_SLOT_STATE_Inserted  1

#define CF_SLOT_STATE_Powered   2

#define CF_SLOT_STATE_Reset     3

#define CF_SLOT_STATE_Ready     4

#define CF_SLOT_STATE_Removed   5

#define CF_CISTPL_VERS_1        0x15

#define CF_CISTPL_CONFIG        0x1A

#define CF_CISTPL_CFTABLE_ENTRY 0x1B

#define CF_CISTPL_MANFID        0x20

#define CF_CISTPL_FUNCID        0x21

// Configuration register offsets

#define CF_CONFIG_COR           0x00

#define CF_CONFIG_CCSR          0x02

#define CF_CONFIG_PRR           0x04

#define CF_CONFIG_SCR           0x06

#define CF_CONFIG_ESR           0x08

#define CF_CONFIG_IOBASE_0      0x0a

#define CF_CONFIG_IOBASE_1      0x0c

#define CF_CONFIG_IOBASE_2      0x0e

#define CF_CONFIG_IOBASE_3      0x10

#define CF_CONFIG_IOSIZE        0x12

// Configuration Option Register bits

#define CF_COR_FUNC_ENA         0x01

#define CF_COR_ADDR_DECODE      0x02

#define CF_COR_IREQ_ENA         0x04

#define CF_COR_LEVEL_REQ        0x40

#define CF_COR_SOFT_RESET       0x80

#define CF_MAX_IO_ADDRS      8

struct cf_io_space {

    unsigned long base[CF_MAX_IO_ADDRS];     // Base address of I/O registers

    unsigned long size[CF_MAX_IO_ADDRS];     // Length(-1) of I/O registers

    int           num_addrs;

    unsigned char mode;

};

// Corresponds to CISTPL_CFTABLE_ENTRY

struct cf_cftable {

    unsigned char      cor;              // Value to write to COR register

    unsigned char      interface;

    unsigned char      feature_select;

    struct cf_io_space io_space;

};

// Corresponds to CISTPL_CONFIG

struct cf_config {

    unsigned long base;

    int           mask_length;

    unsigned char mask[16];

};

// Function prototypes

bool cf_get_CIS(struct cf_slot *slot, unsigned char id,

                unsigned char *buf, int *len, int *ptr);

void cf_set_COR(struct cf_slot *slot, unsigned long cor, unsigned char val);

bool cf_parse_cftable(unsigned char *buf, int len, struct cf_cftable *cftable);

bool cf_parse_config(unsigned char *buf, int len, struct cf_config *config);

struct cf_slot *cf_get_slot(int indx);

void cf_change_state(struct cf_slot *slot, int desired_state);

void cf_register_handler(struct cf_slot *, void (*handler)(int, int, void *), void *);

void cf_clear_interrupt(struct cf_slot *);

void cf_init(void);

void cf_hwr_poll(struct cf_slot *);

#endif // CYGONCE_PCMCIA_H