202 lines
6.1 KiB
C
202 lines
6.1 KiB
C
/* $Id: act2000.h,v 1.8.6.3 2001/09/23 22:24:32 kai Exp $
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*
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* ISDN lowlevel-module for the IBM ISDN-S0 Active 2000.
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*
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* Author Fritz Elfert
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* Copyright by Fritz Elfert <fritz@isdn4linux.de>
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*
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* This software may be used and distributed according to the terms
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* of the GNU General Public License, incorporated herein by reference.
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*
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* Thanks to Friedemann Baitinger and IBM Germany
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*
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*/
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#ifndef act2000_h
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#define act2000_h
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#include <linux/compiler.h>
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#define ACT2000_IOCTL_SETPORT 1
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#define ACT2000_IOCTL_GETPORT 2
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#define ACT2000_IOCTL_SETIRQ 3
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#define ACT2000_IOCTL_GETIRQ 4
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#define ACT2000_IOCTL_SETBUS 5
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#define ACT2000_IOCTL_GETBUS 6
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#define ACT2000_IOCTL_SETPROTO 7
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#define ACT2000_IOCTL_GETPROTO 8
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#define ACT2000_IOCTL_SETMSN 9
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#define ACT2000_IOCTL_GETMSN 10
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#define ACT2000_IOCTL_LOADBOOT 11
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#define ACT2000_IOCTL_ADDCARD 12
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#define ACT2000_IOCTL_TEST 98
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#define ACT2000_IOCTL_DEBUGVAR 99
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#define ACT2000_BUS_ISA 1
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#define ACT2000_BUS_MCA 2
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#define ACT2000_BUS_PCMCIA 3
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/* Struct for adding new cards */
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typedef struct act2000_cdef {
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int bus;
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int port;
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int irq;
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char id[10];
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} act2000_cdef;
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/* Struct for downloading firmware */
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typedef struct act2000_ddef {
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int length; /* Length of code */
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char __user *buffer; /* Ptr. to code */
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} act2000_ddef;
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typedef struct act2000_fwid {
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char isdn[4];
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char revlen[2];
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char revision[504];
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} act2000_fwid;
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#if defined(__KERNEL__) || defined(__DEBUGVAR__)
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#ifdef __KERNEL__
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/* Kernel includes */
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#include <linux/sched.h>
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#include <linux/string.h>
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#include <linux/workqueue.h>
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#include <linux/interrupt.h>
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#include <linux/skbuff.h>
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#include <linux/errno.h>
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#include <linux/fs.h>
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#include <linux/major.h>
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#include <asm/io.h>
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#include <linux/kernel.h>
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#include <linux/signal.h>
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#include <linux/slab.h>
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#include <linux/mm.h>
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#include <linux/mman.h>
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#include <linux/ioport.h>
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#include <linux/timer.h>
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#include <linux/wait.h>
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#include <linux/delay.h>
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#include <linux/ctype.h>
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#include <linux/isdnif.h>
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#endif /* __KERNEL__ */
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#define ACT2000_PORTLEN 8
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#define ACT2000_FLAGS_RUNNING 1 /* Cards driver activated */
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#define ACT2000_FLAGS_PVALID 2 /* Cards port is valid */
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#define ACT2000_FLAGS_IVALID 4 /* Cards irq is valid */
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#define ACT2000_FLAGS_LOADED 8 /* Firmware loaded */
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#define ACT2000_BCH 2 /* # of channels per card */
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/* D-Channel states */
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#define ACT2000_STATE_NULL 0
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#define ACT2000_STATE_ICALL 1
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#define ACT2000_STATE_OCALL 2
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#define ACT2000_STATE_IWAIT 3
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#define ACT2000_STATE_OWAIT 4
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#define ACT2000_STATE_IBWAIT 5
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#define ACT2000_STATE_OBWAIT 6
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#define ACT2000_STATE_BWAIT 7
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#define ACT2000_STATE_BHWAIT 8
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#define ACT2000_STATE_BHWAIT2 9
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#define ACT2000_STATE_DHWAIT 10
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#define ACT2000_STATE_DHWAIT2 11
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#define ACT2000_STATE_BSETUP 12
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#define ACT2000_STATE_ACTIVE 13
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#define ACT2000_MAX_QUEUED 8000 /* 2 * maxbuff */
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#define ACT2000_LOCK_TX 0
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#define ACT2000_LOCK_RX 1
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typedef struct act2000_chan {
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unsigned short callref; /* Call Reference */
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unsigned short fsm_state; /* Current D-Channel state */
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unsigned short eazmask; /* EAZ-Mask for this Channel */
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short queued; /* User-Data Bytes in TX queue */
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unsigned short plci;
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unsigned short ncci;
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unsigned char l2prot; /* Layer 2 protocol */
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unsigned char l3prot; /* Layer 3 protocol */
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} act2000_chan;
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typedef struct msn_entry {
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char eaz;
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char msn[16];
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struct msn_entry *next;
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} msn_entry;
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typedef struct irq_data_isa {
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__u8 *rcvptr;
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__u16 rcvidx;
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__u16 rcvlen;
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struct sk_buff *rcvskb;
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__u8 rcvignore;
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__u8 rcvhdr[8];
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} irq_data_isa;
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typedef union act2000_irq_data {
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irq_data_isa isa;
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} act2000_irq_data;
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/*
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* Per card driver data
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*/
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typedef struct act2000_card {
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unsigned short port; /* Base-port-address */
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unsigned short irq; /* Interrupt */
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u_char ptype; /* Protocol type (1TR6 or Euro) */
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u_char bus; /* Cardtype (ISA, MCA, PCMCIA) */
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struct act2000_card *next; /* Pointer to next device struct */
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spinlock_t lock; /* protect critical operations */
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int myid; /* Driver-Nr. assigned by linklevel */
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unsigned long flags; /* Statusflags */
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unsigned long ilock; /* Semaphores for IRQ-Routines */
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struct sk_buff_head rcvq; /* Receive-Message queue */
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struct sk_buff_head sndq; /* Send-Message queue */
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struct sk_buff_head ackq; /* Data-Ack-Message queue */
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u_char *ack_msg; /* Ptr to User Data in User skb */
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__u16 need_b3ack; /* Flag: Need ACK for current skb */
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struct sk_buff *sbuf; /* skb which is currently sent */
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struct timer_list ptimer; /* Poll timer */
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struct work_struct snd_tq; /* Task struct for xmit bh */
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struct work_struct rcv_tq; /* Task struct for rcv bh */
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struct work_struct poll_tq; /* Task struct for polled rcv bh */
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msn_entry *msn_list;
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unsigned short msgnum; /* Message number for sending */
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spinlock_t mnlock; /* lock for msgnum */
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act2000_chan bch[ACT2000_BCH]; /* B-Channel status/control */
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char status_buf[256]; /* Buffer for status messages */
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char *status_buf_read;
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char *status_buf_write;
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char *status_buf_end;
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act2000_irq_data idat; /* Data used for IRQ handler */
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isdn_if interface; /* Interface to upper layer */
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char regname[35]; /* Name used for request_region */
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} act2000_card;
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static inline void act2000_schedule_tx(act2000_card *card)
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{
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schedule_work(&card->snd_tq);
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}
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static inline void act2000_schedule_rx(act2000_card *card)
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{
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schedule_work(&card->rcv_tq);
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}
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static inline void act2000_schedule_poll(act2000_card *card)
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{
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schedule_work(&card->poll_tq);
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}
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extern char *act2000_find_eaz(act2000_card *, char);
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#endif /* defined(__KERNEL__) || defined(__DEBUGVAR__) */
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#endif /* act2000_h */
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