diff options
Diffstat (limited to 'drivers/isdn/icn/icn.h')
| -rw-r--r-- | drivers/isdn/icn/icn.h | 253 |
1 files changed, 0 insertions, 253 deletions
diff --git a/drivers/isdn/icn/icn.h b/drivers/isdn/icn/icn.h deleted file mode 100644 index f8f2e76d34bf..000000000000 --- a/drivers/isdn/icn/icn.h +++ /dev/null @@ -1,253 +0,0 @@ -/* $Id: icn.h,v 1.30.6.5 2001/09/23 22:24:55 kai Exp $ - * - * ISDN lowlevel-module for the ICN active ISDN-Card. - * - * Copyright 1994 by Fritz Elfert (fritz@isdn4linux.de) - * - * This software may be used and distributed according to the terms - * of the GNU General Public License, incorporated herein by reference. - * - */ - -#ifndef icn_h -#define icn_h - -#define ICN_IOCTL_SETMMIO 0 -#define ICN_IOCTL_GETMMIO 1 -#define ICN_IOCTL_SETPORT 2 -#define ICN_IOCTL_GETPORT 3 -#define ICN_IOCTL_LOADBOOT 4 -#define ICN_IOCTL_LOADPROTO 5 -#define ICN_IOCTL_LEASEDCFG 6 -#define ICN_IOCTL_GETDOUBLE 7 -#define ICN_IOCTL_DEBUGVAR 8 -#define ICN_IOCTL_ADDCARD 9 - -/* Struct for adding new cards */ -typedef struct icn_cdef { - int port; - char id1[10]; - char id2[10]; -} icn_cdef; - -#if defined(__KERNEL__) || defined(__DEBUGVAR__) - -#ifdef __KERNEL__ -/* Kernel includes */ - -#include <linux/errno.h> -#include <linux/fs.h> -#include <linux/major.h> -#include <linux/io.h> -#include <linux/kernel.h> -#include <linux/signal.h> -#include <linux/slab.h> -#include <linux/mm.h> -#include <linux/mman.h> -#include <linux/ioport.h> -#include <linux/timer.h> -#include <linux/wait.h> -#include <linux/delay.h> -#include <linux/isdnif.h> - -#endif /* __KERNEL__ */ - -/* some useful macros for debugging */ -#ifdef ICN_DEBUG_PORT -#define OUTB_P(v, p) {printk(KERN_DEBUG "icn: outb_p(0x%02x,0x%03x)\n", v, p); outb_p(v, p);} -#else -#define OUTB_P outb -#endif - -/* Defaults for Port-Address and shared-memory */ -#define ICN_BASEADDR 0x320 -#define ICN_PORTLEN (0x04) -#define ICN_MEMADDR 0x0d0000 - -#define ICN_FLAGS_B1ACTIVE 1 /* B-Channel-1 is open */ -#define ICN_FLAGS_B2ACTIVE 2 /* B-Channel-2 is open */ -#define ICN_FLAGS_RUNNING 4 /* Cards driver activated */ -#define ICN_FLAGS_RBTIMER 8 /* cyclic scheduling of B-Channel-poll */ - -#define ICN_BOOT_TIMEOUT1 1000 /* Delay for Boot-download (msecs) */ - -#define ICN_TIMER_BCREAD (HZ / 100) /* B-Channel poll-cycle */ -#define ICN_TIMER_DCREAD (HZ / 2) /* D-Channel poll-cycle */ - -#define ICN_CODE_STAGE1 4096 /* Size of bootcode */ -#define ICN_CODE_STAGE2 65536 /* Size of protocol-code */ - -#define ICN_MAX_SQUEUE 8000 /* Max. outstanding send-data (2* hw-buf.) */ -#define ICN_FRAGSIZE (250) /* Max. size of send-fragments */ -#define ICN_BCH 2 /* Number of supported channels per card */ - -/* type-definitions for accessing the mmap-io-areas */ - -#define SHM_DCTL_OFFSET (0) /* Offset to data-controlstructures in shm */ -#define SHM_CCTL_OFFSET (0x1d2) /* Offset to comm-controlstructures in shm */ -#define SHM_CBUF_OFFSET (0x200) /* Offset to comm-buffers in shm */ -#define SHM_DBUF_OFFSET (0x2000) /* Offset to data-buffers in shm */ - -/* - * Layout of card's data buffers - */ -typedef struct { - unsigned char length; /* Bytecount of fragment (max 250) */ - unsigned char endflag; /* 0=last frag., 0xff=frag. continued */ - unsigned char data[ICN_FRAGSIZE]; /* The data */ - /* Fill to 256 bytes */ - char unused[0x100 - ICN_FRAGSIZE - 2]; -} frag_buf; - -/* - * Layout of card's shared memory - */ -typedef union { - struct { - unsigned char scns; /* Index to free SendFrag. */ - unsigned char scnr; /* Index to active SendFrag READONLY */ - unsigned char ecns; /* Index to free RcvFrag. READONLY */ - unsigned char ecnr; /* Index to valid RcvFrag */ - char unused[6]; - unsigned short fuell1; /* Internal Buf Bytecount */ - } data_control; - struct { - char unused[SHM_CCTL_OFFSET]; - unsigned char iopc_i; /* Read-Ptr Status-Queue READONLY */ - unsigned char iopc_o; /* Write-Ptr Status-Queue */ - unsigned char pcio_i; /* Write-Ptr Command-Queue */ - unsigned char pcio_o; /* Read-Ptr Command Queue READONLY */ - } comm_control; - struct { - char unused[SHM_CBUF_OFFSET]; - unsigned char pcio_buf[0x100]; /* Ring-Buffer Command-Queue */ - unsigned char iopc_buf[0x100]; /* Ring-Buffer Status-Queue */ - } comm_buffers; - struct { - char unused[SHM_DBUF_OFFSET]; - frag_buf receive_buf[0x10]; - frag_buf send_buf[0x10]; - } data_buffers; -} icn_shmem; - -/* - * Per card driver data - */ -typedef struct icn_card { - struct icn_card *next; /* Pointer to next device struct */ - struct icn_card *other; /* Pointer to other card for ICN4B */ - unsigned short port; /* Base-port-address */ - int myid; /* Driver-Nr. assigned by linklevel */ - int rvalid; /* IO-portregion has been requested */ - int leased; /* Flag: This Adapter is connected */ - /* to a leased line */ - unsigned short flags; /* Statusflags */ - int doubleS0; /* Flag: ICN4B */ - int secondhalf; /* Flag: Second half of a doubleS0 */ - int fw_rev; /* Firmware revision loaded */ - int ptype; /* Protocol type (1TR6 or Euro) */ - struct timer_list st_timer; /* Timer for Status-Polls */ - struct timer_list rb_timer; /* Timer for B-Channel-Polls */ - u_char rcvbuf[ICN_BCH][4096]; /* B-Channel-Receive-Buffers */ - int rcvidx[ICN_BCH]; /* Index for above buffers */ - int l2_proto[ICN_BCH]; /* Current layer-2-protocol */ - isdn_if interface; /* Interface to upper layer */ - int iptr; /* Index to imsg-buffer */ - char imsg[60]; /* Internal buf for status-parsing */ - char msg_buf[2048]; /* Buffer for status-messages */ - char *msg_buf_write; /* Writepointer for statusbuffer */ - char *msg_buf_read; /* Readpointer for statusbuffer */ - char *msg_buf_end; /* Pointer to end of statusbuffer */ - int sndcount[ICN_BCH]; /* Byte-counters for B-Ch.-send */ - int xlen[ICN_BCH]; /* Byte-counters/Flags for sent-ACK */ - struct sk_buff *xskb[ICN_BCH]; /* Current transmitted skb */ - struct sk_buff_head spqueue[ICN_BCH]; /* Sendqueue */ - char regname[35]; /* Name used for request_region */ - u_char xmit_lock[ICN_BCH]; /* Semaphore for pollbchan_send()*/ - spinlock_t lock; /* protect critical operations */ -} icn_card; - -/* - * Main driver data - */ -typedef struct icn_dev { - spinlock_t devlock; /* spinlock to protect this struct */ - unsigned long memaddr; /* Address of memory mapped buffers */ - icn_shmem __iomem *shmem; /* Pointer to memory-mapped-buffers */ - int mvalid; /* IO-shmem has been requested */ - int channel; /* Currently mapped channel */ - struct icn_card *mcard; /* Currently mapped card */ - int chanlock; /* Semaphore for channel-mapping */ - int firstload; /* Flag: firmware never loaded */ -} icn_dev; - -typedef icn_dev *icn_devptr; - -#ifdef __KERNEL__ - -static icn_card *cards = (icn_card *) 0; -static u_char chan2bank[] = -{0, 4, 8, 12}; /* for icn_map_channel() */ - -static icn_dev dev; - -#endif /* __KERNEL__ */ - -/* Utility-Macros */ - -/* Macros for accessing ports */ -#define ICN_CFG (card->port) -#define ICN_MAPRAM (card->port + 1) -#define ICN_RUN (card->port + 2) -#define ICN_BANK (card->port + 3) - -/* Return true, if there is a free transmit-buffer */ -#define sbfree (((readb(&dev.shmem->data_control.scns) + 1) & 0xf) != \ - readb(&dev.shmem->data_control.scnr)) - -/* Switch to next transmit-buffer */ -#define sbnext (writeb((readb(&dev.shmem->data_control.scns) + 1) & 0xf, \ - &dev.shmem->data_control.scns)) - -/* Shortcuts for transmit-buffer-access */ -#define sbuf_n dev.shmem->data_control.scns -#define sbuf_d dev.shmem->data_buffers.send_buf[readb(&sbuf_n)].data -#define sbuf_l dev.shmem->data_buffers.send_buf[readb(&sbuf_n)].length -#define sbuf_f dev.shmem->data_buffers.send_buf[readb(&sbuf_n)].endflag - -/* Return true, if there is receive-data is available */ -#define rbavl (readb(&dev.shmem->data_control.ecnr) != \ - readb(&dev.shmem->data_control.ecns)) - -/* Switch to next receive-buffer */ -#define rbnext (writeb((readb(&dev.shmem->data_control.ecnr) + 1) & 0xf, \ - &dev.shmem->data_control.ecnr)) - -/* Shortcuts for receive-buffer-access */ -#define rbuf_n dev.shmem->data_control.ecnr -#define rbuf_d dev.shmem->data_buffers.receive_buf[readb(&rbuf_n)].data -#define rbuf_l dev.shmem->data_buffers.receive_buf[readb(&rbuf_n)].length -#define rbuf_f dev.shmem->data_buffers.receive_buf[readb(&rbuf_n)].endflag - -/* Shortcuts for command-buffer-access */ -#define cmd_o (dev.shmem->comm_control.pcio_o) -#define cmd_i (dev.shmem->comm_control.pcio_i) - -/* Return free space in command-buffer */ -#define cmd_free ((readb(&cmd_i) >= readb(&cmd_o)) ? \ - 0x100 - readb(&cmd_i) + readb(&cmd_o) : \ - readb(&cmd_o) - readb(&cmd_i)) - -/* Shortcuts for message-buffer-access */ -#define msg_o (dev.shmem->comm_control.iopc_o) -#define msg_i (dev.shmem->comm_control.iopc_i) - -/* Return length of Message, if avail. */ -#define msg_avail ((readb(&msg_o) > readb(&msg_i)) ? \ - 0x100 - readb(&msg_o) + readb(&msg_i) : \ - readb(&msg_i) - readb(&msg_o)) - -#define CID (card->interface.id) - -#endif /* defined(__KERNEL__) || defined(__DEBUGVAR__) */ -#endif /* icn_h */ |