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- /* $Id: eicon_isa.h,v 1.1.4.1 2001/11/20 14:19:35 kai Exp $
- *
- * ISDN low-level module for Eicon active ISDN-Cards.
- *
- * Copyright 1998 by Fritz Elfert (fritz@isdn4linux.de)
- * Copyright 1998-2000 by Armin Schindler (mac@melware.de)
- * Copyright 1999,2000 Cytronics & Melware (info@melware.de)
- *
- * This software may be used and distributed according to the terms
- * of the GNU General Public License, incorporated herein by reference.
- *
- */
- #ifndef eicon_isa_h
- #define eicon_isa_h
- #ifdef __KERNEL__
- #include <linux/config.h>
- /* Factory defaults for ISA-Cards */
- #define EICON_ISA_MEMBASE 0xd0000
- #define EICON_ISA_IRQ 3
- /* shmem offset for Quadro parts */
- #define EICON_ISA_QOFFSET 0x0800
- typedef struct {
- __u16 length __attribute__ ((packed)); /* length of data/parameter field */
- __u8 P[270]; /* data/parameter field */
- } eicon_scom_PBUFFER;
- /* General communication buffer */
- typedef struct {
- __u8 Req; /* request register */
- __u8 ReqId; /* request task/entity identification */
- __u8 Rc; /* return code register */
- __u8 RcId; /* return code task/entity identification */
- __u8 Ind; /* Indication register */
- __u8 IndId; /* Indication task/entity identification */
- __u8 IMask; /* Interrupt Mask Flag */
- __u8 RNR; /* Receiver Not Ready (set by PC) */
- __u8 XLock; /* XBuffer locked Flag */
- __u8 Int; /* ISDN interrupt */
- __u8 ReqCh; /* Channel field for layer-3 Requests */
- __u8 RcCh; /* Channel field for layer-3 Returncodes */
- __u8 IndCh; /* Channel field for layer-3 Indications */
- __u8 MInd; /* more data indication field */
- __u16 MLength; /* more data total packet length */
- __u8 ReadyInt; /* request field for ready interrupt */
- __u8 Reserved[12]; /* reserved space */
- __u8 IfType; /* 1 = 16k-Interface */
- __u16 Signature __attribute__ ((packed)); /* ISDN adapter Signature */
- eicon_scom_PBUFFER XBuffer; /* Transmit Buffer */
- eicon_scom_PBUFFER RBuffer; /* Receive Buffer */
- } eicon_isa_com;
- /* struct for downloading firmware */
- typedef struct {
- __u8 ctrl;
- __u8 card;
- __u8 msize;
- __u8 fill0;
- __u16 ebit __attribute__ ((packed));
- __u32 eloc __attribute__ ((packed));
- __u8 reserved[20];
- __u16 signature __attribute__ ((packed));
- __u8 fill[224];
- __u8 b[256];
- } eicon_isa_boot;
- /* Shared memory */
- typedef union {
- unsigned char c[0x400];
- eicon_isa_com com;
- eicon_isa_boot boot;
- } eicon_isa_shmem;
- /*
- * card's description
- */
- typedef struct {
- int ramsize;
- int irq; /* IRQ */
- unsigned long physmem; /* physical memory address */
- #ifdef CONFIG_MCA
- int io; /* IO-port for MCA brand */
- #endif /* CONFIG_MCA */
- void* card;
- eicon_isa_shmem* shmem; /* Shared-memory area */
- unsigned char* intack; /* Int-Acknowledge */
- unsigned char* stopcpu; /* Writing here stops CPU */
- unsigned char* startcpu; /* Writing here starts CPU */
- unsigned char type; /* card type */
- int channels; /* No. of channels */
- unsigned char irqprobe; /* Flag: IRQ-probing */
- unsigned char mvalid; /* Flag: Memory is valid */
- unsigned char ivalid; /* Flag: IRQ is valid */
- unsigned char master; /* Flag: Card ist Quadro 1/4 */
- } eicon_isa_card;
- /* Offsets for special locations on standard cards */
- #define INTACK 0x03fe
- #define STOPCPU 0x0400
- #define STARTCPU 0x0401
- #define RAMSIZE 0x0400
- /* Offsets for special location on PRI card */
- #define INTACK_P 0x3ffc
- #define STOPCPU_P 0x3ffe
- #define STARTCPU_P 0x3fff
- #define RAMSIZE_P 0x4000
- extern int eicon_isa_load(eicon_isa_card *card, eicon_isa_codebuf *cb);
- extern int eicon_isa_bootload(eicon_isa_card *card, eicon_isa_codebuf *cb);
- extern void eicon_isa_release(eicon_isa_card *card);
- extern void eicon_isa_printpar(eicon_isa_card *card);
- extern void eicon_isa_transmit(eicon_isa_card *card);
- extern int eicon_isa_find_card(int Mem, int Irq, char * Id);
- #endif /* __KERNEL__ */
- #endif /* eicon_isa_h */
