Import of Linux/MIPS 2.1.36

1 files changed, 612 insertions, 0 deletions

diff --git a/drivers/isdn/hisax/hisax.h b/drivers/isdn/hisax/hisax.h
new file mode 100644
index 000000000..f4b62ece4
--- /dev/null
+++ b/drivers/isdn/hisax/hisax.h
@@ -0,0 +1,612 @@
+/* $Id: hisax.h,v 1.11 1997/02/11 01:36:02 keil Exp $
+
+ *   Basic declarations, defines and prototypes
+ *
+ * $Log: hisax.h,v $
+ * Revision 1.11  1997/02/11 01:36:02  keil
+ * New Param structure
+ *
+ * Revision 1.10  1997/02/09 00:23:52  keil
+ * new interface handling, one interface per card
+ *
+ * Revision 1.9  1997/01/27 23:18:44  keil
+ * prototype for releasestack_isdnl3
+ *
+ * Revision 1.8  1997/01/27 16:02:37  keil
+ * new cards, callc timers, HZDELAY macro, HiSax_getrev prototype
+ *
+ * Revision 1.7  1997/01/21 22:22:14  keil
+ * changes for 2.0; Elsa Quickstep support
+ *
+ * Revision 1.6  1997/01/04 13:48:28  keil
+ * primitiv for MDL_REMOVE added
+ *
+ * Revision 1.5  1996/12/08 19:49:19  keil
+ * Monitor channel support
+ *
+ * Revision 1.4  1996/11/18 15:35:39  keil
+ * some changes for ELSA cards
+ *
+ * Revision 1.3  1996/11/05 19:37:23  keil
+ * using config.h
+ *
+ * Revision 1.2  1996/10/27 22:21:52  keil
+ * CallFlags for broadcast messages
+ *
+ * Revision 1.1  1996/10/13 20:03:46  keil
+ * Initial revision
+ *
+ *
+ *
+ */
+#include <linux/module.h>
+#include <linux/config.h>
+#include <linux/version.h>
+#include <linux/errno.h>
+#include <linux/fs.h>
+#include <linux/major.h>
+#include <asm/segment.h>
+#include <asm/io.h>
+#include <linux/delay.h>
+#include <linux/kernel.h>
+#include <linux/signal.h>
+#include <linux/malloc.h>
+#include <linux/mm.h>
+#include <linux/mman.h>
+#include <linux/ioport.h>
+#include <linux/timer.h>
+#include <linux/wait.h>
+#include <linux/isdnif.h>
+#include <linux/tty.h>
+
+#define PH_ACTIVATE   1
+#define PH_DATA       2
+#define PH_DEACTIVATE 3
+
+#define MDL_ASSIGN       4
+#define DL_UNIT_DATA     5
+#define SC_STARTUP       6
+#define CC_ESTABLISH     7
+#define DL_ESTABLISH     8
+#define DL_DATA          9
+#define CC_S_STATUS_ENQ  10
+
+#define CC_CONNECT       15
+#define CC_CONNECT_ACKNOWLEDGE 16
+#define CO_EOF                 17
+#define SC_DISCONNECT          18
+#define CO_DTMF                19
+#define DL_RELEASE             20
+#define DL_FLUSH               21
+
+#define CO_ALARM               22
+#define CC_REJECT              23
+
+#define CC_SETUP_REQ           24
+#define CC_SETUP_CNF           25
+#define CC_SETUP_IND           26
+#define CC_SETUP_RSP           27
+#define CC_SETUP_COMPLETE_IND  28
+
+#define CC_DISCONNECT_REQ      29
+#define CC_DISCONNECT_IND      30
+
+#define CC_RELEASE_CNF         31
+#define CC_RELEASE_IND         32
+#define CC_RELEASE_REQ         33
+
+#define CC_REJECT_REQ          34
+
+#define CC_PROCEEDING_IND      35
+
+#define CC_DLRL                36
+#define CC_DLEST               37
+
+#define CC_ALERTING_REQ        38
+#define CC_ALERTING_IND        39
+
+#define DL_STOP                40
+#define DL_START               41
+
+#define MDL_NOTEIPROC          46
+
+#define LC_ESTABLISH           47
+#define LC_RELEASE             48
+
+#define PH_REQUEST_PULL        49
+#define PH_PULL_ACK            50
+#define	PH_DATA_PULLED	       51
+#define CC_INFO_CHARGE         52
+
+#define CC_MORE_INFO           53
+#define CC_IGNORE              54
+
+#define MDL_REMOVE             56
+#define MDL_VERIFY             57
+
+#define CC_T303                60
+#define CC_T304                61
+#define CC_T305                62
+#define CC_T308_1              64
+#define CC_T308_2              65
+#define CC_T310                66
+#define CC_T313                67
+#define CC_T318                68
+#define CC_T319                69
+
+#define CC_NOSETUP_RSP_ERR     70
+#define CC_SETUP_ERR           71
+#define CC_CONNECT_ERR         72
+#define CC_RELEASE_ERR         73
+
+/*
+ * Message-Types
+ */
+
+#define MT_ALERTING            0x01
+#define MT_CALL_PROCEEDING     0x02
+#define MT_CONNECT             0x07
+#define MT_CONNECT_ACKNOWLEDGE 0x0f
+#define MT_PROGRESS            0x03
+#define MT_SETUP               0x05
+#define MT_SETUP_ACKNOWLEDGE   0x0d
+#define MT_RESUME              0x26
+#define MT_RESUME_ACKNOWLEDGE  0x2e
+#define MT_RESUME_REJECT       0x22
+#define MT_SUSPEND             0x25
+#define MT_SUSPEND_ACKNOWLEDGE 0x2d
+#define MT_SUSPEND_REJECT      0x21
+#define MT_USER_INFORMATION    0x20
+#define MT_DISCONNECT          0x45
+#define MT_RELEASE             0x4d
+#define MT_RELEASE_COMPLETE    0x5a
+#define MT_RESTART             0x46
+#define MT_RESTART_ACKNOWLEDGE 0x4e
+#define MT_SEGMENT             0x60
+#define MT_CONGESTION_CONTROL  0x79
+#define MT_INFORMATION         0x7b
+#define MT_FACILITY            0x62
+#define MT_NOTIFY              0x6e
+#define MT_STATUS              0x7d
+#define MT_STATUS_ENQUIRY      0x75
+
+#define IE_CAUSE               0x08
+
+struct HscxIoctlArg {
+	int channel;
+	int mode;
+	int transbufsize;
+};
+
+#ifdef __KERNEL__
+
+#undef DEBUG_MAGIC
+
+#define HSCX_SBUF_ORDER     1
+#define HSCX_SBUF_BPPS      2
+#define HSCX_SBUF_MAXPAGES  3
+
+#define HSCX_RBUF_ORDER     1
+#define HSCX_RBUF_BPPS      2
+#define HSCX_RBUF_MAXPAGES  3
+
+#define HSCX_SMALLBUF_ORDER     0
+#define HSCX_SMALLBUF_BPPS      40
+#define HSCX_SMALLBUF_MAXPAGES  1
+
+#define ISAC_SBUF_ORDER     0
+#define ISAC_SBUF_BPPS      16
+#define ISAC_SBUF_MAXPAGES  1
+
+#define ISAC_RBUF_ORDER     0
+#define ISAC_RBUF_BPPS      16
+#define ISAC_RBUF_MAXPAGES  1
+
+#define ISAC_SMALLBUF_ORDER     0
+#define ISAC_SMALLBUF_BPPS      40
+#define ISAC_SMALLBUF_MAXPAGES  1
+
+#define byte unsigned char
+
+#define MAX_WINDOW 8
+
+byte *Smalloc(int size, int pr, char *why);
+void Sfree(byte * ptr);
+
+/*
+ * Statemachine
+ */
+struct Fsm {
+	int *jumpmatrix;
+	int state_count, event_count;
+	char **strEvent, **strState;
+};
+
+struct FsmInst {
+	struct Fsm *fsm;
+	int state;
+	int debug;
+	void *userdata;
+	int userint;
+	void (*printdebug) (struct FsmInst *, char *);
+};
+
+struct FsmNode {
+	int state, event;
+	void (*routine) (struct FsmInst *, int, void *);
+};
+
+struct FsmTimer {
+	struct FsmInst *fi;
+	struct timer_list tl;
+	int event;
+	void *arg;
+};
+
+struct L3Timer {
+	struct PStack *st;
+	struct timer_list tl;
+	int event;
+};
+
+struct BufHeader {
+#ifdef DEBUG_MAGIC
+	int magic;
+#endif
+	struct BufHeader *next;
+	struct BufPool *bp;
+	int datasize;
+	byte primitive, where;
+	void *heldby;
+};
+
+struct Pages {
+	struct Pages *next;
+};
+
+struct BufPool {
+#ifdef DEBUG_MAGIC
+	int magic;
+#endif
+	struct BufHeader *freelist;
+	struct Pages *pageslist;
+	int pageorder;
+	int pagescount;
+	int bpps;
+	int bufsize;
+	int maxpages;
+};
+
+struct BufQueue {
+#ifdef DEBUG_MAGIC
+	int magic;
+#endif
+	struct BufHeader *head, *tail;
+};
+
+struct Layer1 {
+	void *hardware;
+	int hscx;
+	struct BufPool *sbufpool, *rbufpool, *smallpool;
+	struct PStack **stlistp;
+	int act_state;
+	void (*l1l2) (struct PStack *, int, struct BufHeader *);
+	void (*l1man) (struct PStack *, int, void *);
+	int hscxmode, hscxchannel, requestpull;
+};
+
+struct Layer2 {
+	int sap, tei, ces;
+	int extended, laptype;
+	int uihsize, ihsize;
+	int vs, va, vr;
+	struct BufQueue i_queue;
+	int window, orig;
+	int rejexp;
+	int debug;
+	struct BufHeader *windowar[MAX_WINDOW];
+	int sow;
+	struct FsmInst l2m;
+	void (*l2l1) (struct PStack *, int, struct BufHeader *);
+	void (*l2l1discardq) (struct PStack *, int, void *, int);
+	void (*l2man) (struct PStack *, int, void *);
+	void (*l2l3) (struct PStack *, int, void *);
+	void (*l2tei) (struct PStack *, int, void *);
+	struct FsmTimer t200_timer, t203_timer;
+	int t200, n200, t203;
+	int rc, t200_running;
+	char debug_id[32];
+};
+
+struct Layer3 {
+	void (*l3l4) (struct PStack *, int, struct BufHeader *);
+	void (*l3l2) (struct PStack *, int, void *);
+	int state, callref;
+	struct L3Timer timer;
+	int t303, t304, t305, t308, t310, t313, t318, t319;
+	int n_t303;
+	int debug;
+	int channr;
+};
+
+struct Layer4 {
+	void (*l4l3) (struct PStack *, int, void *);
+	void *userdata;
+	void (*l1writewakeup) (struct PStack *);
+	void (*l2writewakeup) (struct PStack *);
+};
+
+struct Management {
+	void (*manl1) (struct PStack *, int, void *);
+	void (*manl2) (struct PStack *, int, void *);
+	void (*teil2) (struct PStack *, int, void *);
+};
+
+struct Param {
+	int cause;
+	int loc;
+	int bchannel;
+	int callref;		/* Callreferenz Number */
+	setup_parm setup;       /* from isdnif.h numbers and Serviceindicator */
+	int chargeinfo;		/* Charge Info - only for 1tr6 in
+				 * the moment
+				 */
+	int spv;		/* SPV Flag */
+};
+
+struct PStack {
+	struct PStack *next;
+	struct Layer1 l1;
+	struct Layer2 l2;
+	struct Layer3 l3;
+	struct Layer4 l4;
+	struct Management ma;
+	struct Param *pa;
+	int protocol;		/* EDSS1 or 1TR6 */
+};
+
+struct HscxState {
+	int inuse, init, active;
+	struct BufPool sbufpool, rbufpool, smallpool;
+	struct IsdnCardState *sp;
+	int hscx, mode;
+	int transbufsize, receive;
+	struct BufHeader *rcvibh, *xmtibh;
+	int rcvptr, sendptr;
+	struct PStack *st;
+	struct tq_struct tqueue;
+	int event;
+	struct BufQueue rq, sq;
+	int releasebuf;
+#ifdef DEBUG_MAGIC
+	int magic;		/* 301270 */
+#endif
+};
+
+struct LcFsm {
+	struct FsmInst lcfi;
+	int type;
+	struct Channel *ch;
+	void (*lccall) (struct LcFsm *, int, void *);
+	struct PStack *st;
+	int l2_establish;
+	int l2_start;
+	struct FsmTimer act_timer;
+	char debug_id[32];
+};
+
+struct Channel {
+	struct PStack ds, is;
+	struct IsdnCardState *sp;
+	int hscx;
+	int chan;
+	int incoming;
+	struct FsmInst fi;
+	struct LcFsm lc_d, lc_b;
+	struct Param para;
+	struct FsmTimer drel_timer, dial_timer;
+	int debug;
+#ifdef DEBUG_MAGIC
+	int magic;		/* 301272 */
+#endif
+	int l2_protocol, l2_active_protocol;
+	int l2_primitive, l2_headersize;
+	int data_open;
+	int outcallref;
+	int impair;
+	int Flags;		/* for remembering action done in l4 */
+	int leased;
+};
+
+struct IsdnCardState {
+#ifdef DEBUG_MAGIC
+	int magic;
+#endif
+	unsigned char typ;
+	unsigned char subtyp;
+	int protocol;
+	unsigned int irq;
+	unsigned int cfg_reg;
+	unsigned int membase;
+	unsigned int isac;
+	unsigned int hscx[2];
+	unsigned int counter;
+	int	     myid;
+	isdn_if	     iif;
+	byte	*status_buf;
+	byte    *status_read;
+	byte    *status_write;
+	byte    *status_end;
+	struct BufHeader *mon_rx, *mon_tx;
+	int mon_rxp, mon_txp, mon_flg;
+	void (*ph_command) (struct IsdnCardState *, unsigned int);
+	void (*modehscx) (struct HscxState *, int, int);
+	void (*hscx_fill_fifo) (struct HscxState *);
+	void (*isac_fill_fifo) (struct IsdnCardState *);
+	struct BufPool sbufpool, rbufpool, smallpool;
+	struct Channel channel[2];
+	struct PStack *stlist;
+	struct BufHeader *xmtibh, *rcvibh;
+	int rcvptr, sendptr;
+	int event;
+	struct tq_struct tqueue;
+	int ph_active;
+	struct BufQueue rq, sq;
+	int cardnr;
+	int ph_state;
+	struct PStack *teistack;
+	struct HscxState hs[2];
+	int dlogflag;
+	char *dlogspace;
+	int debug;
+	int releasebuf;
+	unsigned int CallFlags;
+};
+
+#define  MON0_RX	1
+#define  MON1_RX	2
+#define  MON0_TX	4
+#define  MON1_TX	8
+
+#define  ISDN_CTYPE_16_0	1
+#define  ISDN_CTYPE_8_0		2
+#define  ISDN_CTYPE_16_3	3
+#define  ISDN_CTYPE_PNP		4
+#define  ISDN_CTYPE_A1		5
+#define  ISDN_CTYPE_ELSA	6
+#define  ISDN_CTYPE_ELSA_QS1000	7
+#define  ISDN_CTYPE_TELESPCMCIA	8
+#define  ISDN_CTYPE_IX1MICROR2	9
+
+#define  ISDN_CTYPE_COUNT	9
+
+#ifdef	CONFIG_HISAX_16_0
+#define  CARD_TELES0 (1<< ISDN_CTYPE_16_0) | (1<< ISDN_CTYPE_8_0)
+#else
+#define  CARD_TELES0  0
+#endif
+
+#ifdef	CONFIG_HISAX_16_3
+#define  CARD_TELES3 (1<< ISDN_CTYPE_16_3) | (1<< ISDN_CTYPE_PNP) | \
+		     (1<< ISDN_CTYPE_TELESPCMCIA)
+#else
+#define  CARD_TELES3  0
+#endif
+
+#ifdef	CONFIG_HISAX_AVM_A1
+#define  CARD_AVM_A1 (1<< ISDN_CTYPE_A1)
+#else
+#define  CARD_AVM_A1  0
+#endif
+
+#ifdef	CONFIG_HISAX_ELSA_PCC
+#define  CARD_ELSA (1<< ISDN_CTYPE_ELSA) | (1<< ISDN_CTYPE_ELSA_QS1000)
+#else
+#define  CARD_ELSA  0
+#endif
+
+#ifdef	CONFIG_HISAX_IX1MICROR2
+#define	CARD_IX1MICROR2 (1 << ISDN_CTYPE_IX1MICROR2)
+#else
+#define CARD_IX1MICROR2 0
+#endif
+
+#define  SUPORTED_CARDS  (CARD_TELES0 | CARD_TELES3 | CARD_AVM_A1 | CARD_ELSA \
+			 | CARD_IX1MICROR2)
+
+struct IsdnCard {
+	int typ;
+	int protocol;		/* EDSS1 or 1TR6 */
+	unsigned int para[3];
+	struct IsdnCardState *sp;
+};
+
+#define DATAPTR(x) ((byte *)x+sizeof(struct BufHeader))
+
+#define LAPD 0
+#define LAPB 1
+
+void BufPoolInit(struct BufPool *bp, int order, int bpps,
+		 int maxpages);
+int BufPoolAdd(struct BufPool *bp, int priority);
+void BufPoolFree(struct BufPool *bp);
+int BufPoolGet(struct BufHeader **bh, struct BufPool *bp,
+	       int priority, void *heldby, int where);
+void BufPoolRelease(struct BufHeader *bh);
+void BufQueueLink(struct BufQueue *bq, struct BufHeader *bh);
+int BufQueueUnlink(struct BufHeader **bh, struct BufQueue *bq);
+void BufQueueInit(struct BufQueue *bq);
+void BufQueueRelease(struct BufQueue *bq);
+void BufQueueDiscard(struct BufQueue *q, int pr, void *heldby,
+		     int releasetoo);
+int BufQueueLength(struct BufQueue *bq);
+void BufQueueLinkFront(struct BufQueue *bq, struct BufHeader *bh);
+
+void l2down(struct PStack *st, byte pr, struct BufHeader *ibh);
+void l2up(struct PStack *st, byte pr, struct BufHeader *ibh);
+void acceptph(struct PStack *st, struct BufHeader *ibh);
+void setstack_isdnl2(struct PStack *st, char *debug_id);
+int HiSax_inithardware(void);
+void HiSax_closehardware(void);
+
+void setstack_HiSax(struct PStack *st, struct IsdnCardState *sp);
+unsigned int randomces(void);
+void setstack_isdnl3(struct PStack *st, struct Channel *chanp );
+void HiSax_addlist(struct IsdnCardState *sp, struct PStack *st);
+void releasestack_isdnl2(struct PStack *st);
+void releasestack_isdnl3(struct PStack *st);
+void HiSax_rmlist(struct IsdnCardState *sp, struct PStack *st);
+void newcallref(struct PStack *st);
+
+int setstack_hscx(struct PStack *st, struct HscxState *hs);
+byte *findie(byte * p, int size, byte ie, int wanted_set);
+int getcallref(byte * p);
+
+void FsmNew(struct Fsm *fsm, struct FsmNode *fnlist, int fncount);
+void FsmFree(struct Fsm *fsm);
+int FsmEvent(struct FsmInst *fi, int event, void *arg);
+void FsmChangeState(struct FsmInst *fi, int newstate);
+void FsmInitTimer(struct FsmInst *fi, struct FsmTimer *ft);
+int FsmAddTimer(struct FsmTimer *ft, int millisec,
+		int event, void *arg, int where);
+void FsmDelTimer(struct FsmTimer *ft, int where);
+int FsmTimerRunning(struct FsmTimer *ft);
+void jiftime(char *s, long mark);
+
+int HiSax_command(isdn_ctrl * ic);
+int HiSax_writebuf(int id, int chan, const u_char * buf, int count, int user);
+void HiSax_putstatus(struct IsdnCardState *csta, char *buf);
+void HiSax_reportcard(int cardnr);
+int ListLength(struct BufHeader *ibh);
+int QuickHex(char *txt, byte * p, int cnt);
+void LogFrame(struct IsdnCardState *sp, byte * p, int size);
+void dlogframe(struct IsdnCardState *sp, byte * p, int size, char *comment);
+void iecpy(byte * dest, byte * iestart, int ieoffset);
+void setstack_transl2(struct PStack *st);
+void releasestack_transl2(struct PStack *st);
+void close_hscxstate(struct HscxState *);
+void setstack_tei(struct PStack *st);
+
+
+
+
+#define PART_SIZE(order,bpps) (( (PAGE_SIZE<<order) -\
+  sizeof(void *))/bpps)
+#define BUFFER_SIZE(order,bpps) (PART_SIZE(order,bpps)-\
+  sizeof(struct BufHeader))
+
+#endif				/* __KERNEL__ */
+
+#define HZDELAY(jiffs) {int tout = jiffs; while (tout--) udelay(1000000/HZ);}
+
+int ll_run(struct IsdnCardState *csta);
+void ll_stop(struct IsdnCardState *csta);
+void CallcNew(void);
+void CallcFree(void);
+int CallcNewChan(struct IsdnCardState *csta);
+void CallcFreeChan(struct IsdnCardState *csta);
+void Isdnl2New(void);
+void Isdnl2Free(void);
+void init_tei(struct IsdnCardState *sp, int protocol);
+void release_tei(struct IsdnCardState *sp);
+char *HiSax_getrev(const char *revision);