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/*
* 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.
*/
/*** 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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