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Diffstat (limited to 'chips/tca100.h')
| -rw-r--r-- | chips/tca100.h | 200 |
1 files changed, 0 insertions, 200 deletions
diff --git a/chips/tca100.h b/chips/tca100.h deleted file mode 100644 index 2931225..0000000 --- a/chips/tca100.h +++ /dev/null @@ -1,200 +0,0 @@ -/* - * 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. - */ - -#ifndef _TCA100_H_ -#define _TCA100_H_ 1 - -#ifndef STUB -#include <chips/nw.h> -#else -#include "nw.h" -#endif - -/*** FORE TCA-100 Turbochannel ATM computer interface ***/ - -/*** HARDWARE REGISTERS ***/ - -typedef volatile unsigned int vol_u_int; - -typedef struct atm_device { - unsigned int prom[64 * 1024 / 4]; - vol_u_int sreg; - vol_u_int creg_set; - vol_u_int creg_clr; - vol_u_int creg; - vol_u_int rxtimer; - unsigned int pad1; - vol_u_int rxtimerv; - unsigned int pad2; - vol_u_int rxcount; - unsigned int pad3; - vol_u_int rxthresh; - unsigned int pad4; - vol_u_int txcount; - unsigned int pad5; - vol_u_int txthresh; - unsigned int pad6[64*1024/4 - 15]; - vol_u_int rxfifo[14]; - unsigned int pad7[64*1024/4 - 14]; - vol_u_int txfifo[14]; - unsigned int pad8[64*1024/4 - 14]; -} atm_device_s, *atm_device_t; - - -/*** DEFINITION OF BITS IN THE STATUS AND CONTROL REGISTERS ***/ - -#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 RX_COUNTER_MASK 0x03ff - -/*** DEFINITION OF FIELDS FOR AAL3/4 WITH THE TCA-100 PADDING ***/ - -/*Header -- ATM header*/ - -#define VPI 0x0ff00000 -#define VCI 0x000ffff0 - -#define ATM_HEADER_RSV_BITS 0x00000004 - -#define PERMANENT_VIRTUAL_CONNECTIONS 1 - -#if PERMANENT_VIRTUAL_CONNECTIONS -#define ATM_VPVC_MASK 0x3ff00000 -#define ATM_VPVC_SHIFT 20 -#else -#define ATM_VPVC_MASK 0x00003ff0 -#define ATM_VPVC_SHIFT 4 -#endif - - -/*First payload word -- SAR header*/ - -#define ATM_HEADER_CRC 0xff000000 -#define ATM_HEADER_CRC_SYNDROME 0x00ff0000 - -#define SEG_TYPE 0x0000c000 -#define BOM 0x00008000 -#define COM 0x00000000 -#define EOM 0x00004000 -#define SSM 0x0000c000 - -#define BOM_DATA_SIZE 40 -#define COM_DATA_SIZE 44 -#define EOM_DATA_SIZE 40 -#define SSM_DATA_SIZE 36 - -#define SEQ_NO 0x00003c00 -#define SEQ_INC 0x00000400 - -#define MID 0x000003ff -#define MID_INC 0x00000001 - -#define SAR_HEADER_MASK (ATM_HEADER_CRC_SYNDROME | SEG_TYPE | SEQ_NO | MID) - -/*Trailer -- SAR trailer and error flags*/ - -#define PAYLOAD_LENGTH 0xfc000000 -#define FULL_SEGMENT_TRAILER (44 << 26) -#define EMPTY_SEGMENT_TRAILER (4 << 26) -#define SYNCH_SEGMENT_TRAILER (16 << 26) - -#define FRAMING_ERROR 0x0001 -#define HEADER_CRC_ERROR 0x0002 -#define PAYLOAD_CRC_ERROR 0x0004 -#define PAD2_ERROR 0x0007 - -#define SAR_TRAILER_MASK (PAYLOAD_LENGTH | PAD2_ERROR) - /*This field should be FULL_SEGMENT_TRAILER IN BOM OR COM*/ - - -/*CS header and trailer fields*/ - -#define CS_PDU_TYPE 0xff000000 -#define BE_TAG 0x00ff0000 -#define BA_SIZE 0x0000ffff - -#define CS_PROTOCOL_CONTROL_FIELD 0xff000000 -#define CS_LENGTH 0x0000ffff - -/*** DEVICE STATUS ***/ - -typedef enum { /*"Flavors" for device_get_status and device_set_status*/ - ATM_MAP_SIZE, /* device_get_status options */ - ATM_MTU_SIZE, - ATM_EVC_ID, /* ID of event counter assigned to device */ - ATM_ASSIGNMENT, /* Returns two words indicating whether device is mapped - and number of tasks with the device open */ - /* device_set_status options */ - ATM_INITIALIZE, /* Restarts hardware and low-level driver */ - ATM_PVC_SET /* Sets up a permanent virtual connection -- - the status argument array is cast to a nw_pvc_s - structure */ - -} atm_status; - -typedef struct { - nw_peer_s pvc; /* Permanent virtual connection */ - u_int tx_vp; /* VPI used for transmissions to permanent virtual - connection. The VPI used for reception is the - local endpoint number. VCIs are 0 */ - nw_protocol protocol; /* Protocol of connection (possibly NW_LINE) */ -} nw_pvc_s, *nw_pvc_t; - -/*** BYTE ORDER ***/ - -/*The ATM header and SAR header and trailer are converted to and from - host byte order by hardware. CS headers and trailers and - signaling messages need byte order conversion in software. - Conversion in software is also necessary for application messages - if the communicating hosts have different byte orders (e.g. DECstation - and SPARCstation). */ - -#define HTONL(x) \ - ((x << 24) | ((x & 0xff00) << 8) | ((x >> 8) & 0xff00) | ((u_int) x >> 24)) - -#define NTOHL(x) HTONL(x) - -#if 0 -unsigned int htonl(unsigned int x) { - - return ((x << 24) | ((x & 0xff00) << 8) | ((x >> 8) & 0xff00) | (x >> 24)); -} - -#define ntohl(x) htonl(x) - -#endif - -#endif /* _TCA100_H_ */ - |