FreeBSD/Linux Kernel Cross Reference
sys/chips/atmreg.h

     /* 
      * Mach Operating System
      * Copyright (c) 1992 Carnegie Mellon University
      * All Rights Reserved.
      * 
      * Permission to use, copy, modify and distribute this software and its
      * documentation is hereby granted, provided that both the copyright
      * notice and this permission notice appear in all copies of the
      * software, derivative works or modified versions, and any portions
     * thereof, and that both notices appear in supporting documentation.
     * 
     * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
     * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
     * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
     * 
     * Carnegie Mellon requests users of this software to return to
     * 
     *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
     *  School of Computer Science
     *  Carnegie Mellon University
     *  Pittsburgh PA 15213-3890
     * 
     * any improvements or extensions that they make and grant Carnegie Mellon
     * the rights to redistribute these changes.
     */
    
    /*
     * HISTORY
     * $Log:        atmreg.h,v $
     * Revision 2.2  93/01/21  12:20:34  danner
     *      Created.
     *      [93/01/19  16:29:41  bershad]
     * 
     * Revision 2.3  92/07/09  22:53:14  rvb
     *      Minimal support for mapping atm fifo's.
     *      [92/05/12  17:10:10  rvb]
     * 
     * Revision 2.2  92/04/03  12:08:15  rpd
     *      Created
     *      [92/03/23            rvb]
     * 
     */
    
    
    /*** FORE TCA-100 Turbochannel ATM computer interface ***/
    
    #define RX_COUNT_INTR   0x0001
    #define RX_EOM_INTR     0x0002
    #define RX_TIME_INTR    0x0004
    #define TX_COUNT_INTR   0x0008
    #define RX_CELL_LOST    0x0010
    #define RX_NO_CARRIER   0x0020
    #define CR_RX_ENABLE    0x0040
    #define CR_TX_ENABLE    0x0080
    #define CR_RX_RESET     0x0100
    #define CR_TX_RESET     0x0200
    
    #define ATM_READ_REG(reg)       ((reg) & 0x3ff) /* 10 bit register mask */
    
    
    struct atm_device {
      unsigned int prom[64 * 1024 / 4];
      volatile unsigned int sreg;
      volatile unsigned int creg_set;
      volatile unsigned int creg_clr;
      volatile unsigned int creg;
      volatile unsigned int rxtimer;
      unsigned int pad1;
      volatile unsigned int rxtimerv;
      unsigned int pad2;
      volatile unsigned int rxcount;
      unsigned int pad3;
      volatile unsigned int rxthresh;
      unsigned int pad4;
      volatile unsigned int txcount;
      unsigned int pad5;
      volatile unsigned int txthresh;
      unsigned int pad6[64*1024/4 - 15];
      volatile unsigned int rxfifo[14];
      unsigned int pad7[64*1024/4 - 14];
      volatile unsigned int txfifo[14];
      unsigned int pad8[64*1024/4 - 14];
    };
    /* MUST BE PAGE ALIGNED OR YOU WILL GET KILLED BELOW WITH ATM_INFO */
    
    struct sar_data {
            int header;
            int payload[12];
            int trailer;
    };
    
    
    /*
     * Information for mapped atm device
     */
    typedef struct mapped_atm_info {
        volatile unsigned int       interrupt_count;    /* tot interrupts received */
        volatile  unsigned short    saved_status_reg;   /* copy of status reg from last interrupt  */
        unsigned int        hello_world;
       unsigned            wait_event;
   } *mapped_atm_info_t;
   
   
   
   #define ATM_DEVICE(p)   (struct atm_device*)(p) 
   #define ATM_INFO(p)     (mapped_atm_info_t)( (p) + sizeof(struct atm_device) )
                            

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