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Annotation of Gnu-Mach/chips/atmreg.h, revision 1.1.1.1

1.1       root        1: /* 
                      2:  * Mach Operating System
                      3:  * Copyright (c) 1992 Carnegie Mellon University
                      4:  * All Rights Reserved.
                      5:  * 
                      6:  * Permission to use, copy, modify and distribute this software and its
                      7:  * documentation is hereby granted, provided that both the copyright
                      8:  * notice and this permission notice appear in all copies of the
                      9:  * software, derivative works or modified versions, and any portions
                     10:  * thereof, and that both notices appear in supporting documentation.
                     11:  * 
                     12:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
                     13:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
                     14:  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
                     15:  * 
                     16:  * Carnegie Mellon requests users of this software to return to
                     17:  * 
                     18:  *  Software Distribution Coordinator  or  [email protected]
                     19:  *  School of Computer Science
                     20:  *  Carnegie Mellon University
                     21:  *  Pittsburgh PA 15213-3890
                     22:  * 
                     23:  * any improvements or extensions that they make and grant Carnegie Mellon
                     24:  * the rights to redistribute these changes.
                     25:  */
                     26: 
                     27: /*** FORE TCA-100 Turbochannel ATM computer interface ***/
                     28: 
                     29: #define RX_COUNT_INTR  0x0001
                     30: #define RX_EOM_INTR    0x0002
                     31: #define RX_TIME_INTR   0x0004
                     32: #define TX_COUNT_INTR  0x0008
                     33: #define RX_CELL_LOST   0x0010
                     34: #define RX_NO_CARRIER  0x0020
                     35: #define CR_RX_ENABLE   0x0040
                     36: #define CR_TX_ENABLE   0x0080
                     37: #define CR_RX_RESET    0x0100
                     38: #define CR_TX_RESET    0x0200
                     39: 
                     40: #define ATM_READ_REG(reg)      ((reg) & 0x3ff) /* 10 bit register mask */
                     41: 
                     42: 
                     43: struct atm_device {
                     44:   unsigned int prom[64 * 1024 / 4];
                     45:   volatile unsigned int sreg;
                     46:   volatile unsigned int creg_set;
                     47:   volatile unsigned int creg_clr;
                     48:   volatile unsigned int creg;
                     49:   volatile unsigned int rxtimer;
                     50:   unsigned int pad1;
                     51:   volatile unsigned int rxtimerv;
                     52:   unsigned int pad2;
                     53:   volatile unsigned int rxcount;
                     54:   unsigned int pad3;
                     55:   volatile unsigned int rxthresh;
                     56:   unsigned int pad4;
                     57:   volatile unsigned int txcount;
                     58:   unsigned int pad5;
                     59:   volatile unsigned int txthresh;
                     60:   unsigned int pad6[64*1024/4 - 15];
                     61:   volatile unsigned int rxfifo[14];
                     62:   unsigned int pad7[64*1024/4 - 14];
                     63:   volatile unsigned int txfifo[14];
                     64:   unsigned int pad8[64*1024/4 - 14];
                     65: };
                     66: /* MUST BE PAGE ALIGNED OR YOU WILL GET KILLED BELOW WITH ATM_INFO */
                     67: 
                     68: struct sar_data {
                     69:        int header;
                     70:        int payload[12];
                     71:        int trailer;
                     72: };
                     73: 
                     74: 
                     75: /*
                     76:  * Information for mapped atm device
                     77:  */
                     78: typedef struct mapped_atm_info {
                     79:     volatile unsigned int      interrupt_count;    /* tot interrupts received */
                     80:     volatile  unsigned short   saved_status_reg;   /* copy of status reg from last interrupt  */
                     81:     unsigned int       hello_world;
                     82:     unsigned           wait_event;
                     83: } *mapped_atm_info_t;
                     84: 
                     85: 
                     86: 
                     87: #define ATM_DEVICE(p)  (struct atm_device*)(p) 
                     88: #define ATM_INFO(p)    (mapped_atm_info_t)( (p) + sizeof(struct atm_device) )
                     89:                         

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