1 /*****************************************************************************/
4 * istallion.c -- stallion intelligent multiport serial driver.
6 * Copyright (c) 1994-1998 Greg Ungerer (gerg@stallion.oz.au).
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by Greg Ungerer.
20 * 4. Neither the name of the author nor the names of any co-contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * $FreeBSD: src/sys/i386/isa/istallion.c,v 1.36.2.2 2001/08/30 12:29:57 murray Exp $
37 * $DragonFly: src/sys/dev/serial/stli/istallion.c,v 1.14 2004/09/19 01:33:32 dillon Exp $
40 /*****************************************************************************/
42 #include "opt_compat.h"
46 #include <sys/param.h>
47 #include <sys/systm.h>
48 #include <sys/kernel.h>
49 #include <sys/malloc.h>
53 #include <sys/fcntl.h>
55 #include <machine/clock.h>
58 #include <bus/isa/i386/isa_device.h>
59 #include <machine/cdk.h>
60 #include <machine/comstats.h>
64 /*****************************************************************************/
67 * Define the version level of the kernel - so we can compile in the
68 * appropriate bits of code. By default this will compile for a 2.1
79 /*****************************************************************************/
82 * Define different board types. Not all of the following board types
83 * are supported by this driver. But I will use the standard "assigned"
84 * board numbers. Currently supported boards are abbreviated as:
85 * ECP = EasyConnection 8/64, ONB = ONboard, BBY = Brumby and
89 #define BRD_STALLION 1
91 #define BRD_ONBOARD2 3
94 #define BRD_BRUMBY16 6
95 #define BRD_ONBOARDE 7
96 #define BRD_ONBOARD32 9
97 #define BRD_ONBOARD2_32 10
98 #define BRD_ONBOARDRS 11
105 #define BRD_ECHPCI 26
106 #define BRD_ECH64PCI 27
107 #define BRD_EASYIOPCI 28
109 #define BRD_BRUMBY BRD_BRUMBY4
111 /*****************************************************************************/
114 * Define important driver limitations.
116 #define STL_MAXBRDS 8
117 #define STL_MAXPANELS 4
118 #define STL_PORTSPERPANEL 16
119 #define STL_PORTSPERBRD 64
121 #define STL_MAXCHANS STL_PORTSPERBRD
125 * Define the important minor number break down bits. These have been
126 * chosen to be "compatible" with the standard sio driver minor numbers.
127 * Extra high bits are used to distinguish between boards and also for
128 * really high port numbers (> 32).
130 #define STL_CALLOUTDEV 0x80
131 #define STL_CTRLLOCK 0x40
132 #define STL_CTRLINIT 0x20
133 #define STL_CTRLDEV (STL_CTRLLOCK | STL_CTRLINIT)
135 #define STL_MEMDEV 0x07000000
137 #define STL_DEFSPEED TTYDEF_SPEED
138 #define STL_DEFCFLAG (CS8 | CREAD | HUPCL)
140 /*****************************************************************************/
143 * Define our local driver identity first. Set up stuff to deal with
144 * all the local structures required by a serial tty driver.
146 static char stli_drvname[] = "stli";
147 static char const stli_drvtitle[] = "Stallion Multiport Serial Driver";
148 static char const stli_drvversion[] = "2.0.0";
150 static int stli_nrbrds = 0;
151 static int stli_doingtimeout = 0;
152 static struct callout stli_poll_ch;
155 * Define some macros to use to class define boards.
162 static unsigned char stli_stliprobed[STL_MAXBRDS];
164 /*****************************************************************************/
167 * Define a set of structures to hold all the board/panel/port info
168 * for our ports. These will be dynamically allocated as required at
169 * driver initialization time.
173 * Port and board structures to hold status info about each object.
174 * The board structure contains pointers to structures for each port
175 * connected to it. Panels are not distinguished here, since
176 * communication with the slave board will always be on a per port
196 struct termios initintios;
197 struct termios initouttios;
198 struct termios lockintios;
199 struct termios lockouttios;
200 struct timeval timestamp;
203 unsigned long rxlost;
204 unsigned long rxoffset;
205 unsigned long txoffset;
209 unsigned char reqidx;
210 unsigned char reqbit;
211 unsigned char portidx;
212 unsigned char portbit;
213 struct callout dtr_ch;
217 * Use a structure of function pointers to do board level operations.
218 * These include, enable/disable, paging shared memory, interrupting, etc.
220 typedef struct stlibrd {
237 void (*init)(struct stlibrd *brdp);
238 void (*enable)(struct stlibrd *brdp);
239 void (*reenable)(struct stlibrd *brdp);
240 void (*disable)(struct stlibrd *brdp);
241 void (*intr)(struct stlibrd *brdp);
242 void (*reset)(struct stlibrd *brdp);
243 char *(*getmemptr)(struct stlibrd *brdp,
244 unsigned long offset, int line);
245 int panels[STL_MAXPANELS];
246 int panelids[STL_MAXPANELS];
247 stliport_t *ports[STL_PORTSPERBRD];
250 static stlibrd_t *stli_brds[STL_MAXBRDS];
252 static int stli_shared = 0;
255 * Keep a local char buffer for processing chars into the LD. We
256 * do this to avoid copying from the boards shared memory one char
259 static int stli_rxtmplen;
260 static stliport_t *stli_rxtmpport;
261 static char stli_rxtmpbuf[TTYHOG];
264 * Define global stats structures. Not used often, and can be re-used
265 * for each stats call.
267 static comstats_t stli_comstats;
268 static combrd_t stli_brdstats;
269 static asystats_t stli_cdkstats;
272 * Per board state flags. Used with the state field of the board struct.
273 * Not really much here... All we need to do is keep track of whether
274 * the board has been detected, and whether it is actully running a slave
277 #define BST_FOUND 0x1
278 #define BST_STARTED 0x2
281 * Define the set of port state flags. These are marked for internal
282 * state purposes only, usually to do with the state of communications
283 * with the slave. They need to be updated atomically.
285 #define ST_INITIALIZING 0x1
286 #define ST_INITIALIZED 0x2
287 #define ST_OPENING 0x4
288 #define ST_CLOSING 0x8
289 #define ST_CMDING 0x10
290 #define ST_RXING 0x20
291 #define ST_TXBUSY 0x40
292 #define ST_DOFLUSHRX 0x80
293 #define ST_DOFLUSHTX 0x100
294 #define ST_DOSIGS 0x200
295 #define ST_GETSIGS 0x400
296 #define ST_DTRWAIT 0x800
299 * Define an array of board names as printable strings. Handy for
300 * referencing boards when printing trace and stuff.
302 static char *stli_brdnames[] = {
332 /*****************************************************************************/
335 * Hardware configuration info for ECP boards. These defines apply
336 * to the directly accessable io ports of the ECP. There is a set of
337 * defines for each ECP board type, ISA, EISA and MCA.
340 #define ECP_MEMSIZE (128 * 1024)
341 #define ECP_ATPAGESIZE (4 * 1024)
342 #define ECP_EIPAGESIZE (64 * 1024)
343 #define ECP_MCPAGESIZE (4 * 1024)
345 #define STL_EISAID 0x8c4e
348 * Important defines for the ISA class of ECP board.
351 #define ECP_ATCONFR 1
352 #define ECP_ATMEMAR 2
353 #define ECP_ATMEMPR 3
354 #define ECP_ATSTOP 0x1
355 #define ECP_ATINTENAB 0x10
356 #define ECP_ATENABLE 0x20
357 #define ECP_ATDISABLE 0x00
358 #define ECP_ATADDRMASK 0x3f000
359 #define ECP_ATADDRSHFT 12
362 * Important defines for the EISA class of ECP board.
365 #define ECP_EIMEMARL 1
366 #define ECP_EICONFR 2
367 #define ECP_EIMEMARH 3
368 #define ECP_EIENABLE 0x1
369 #define ECP_EIDISABLE 0x0
370 #define ECP_EISTOP 0x4
371 #define ECP_EIEDGE 0x00
372 #define ECP_EILEVEL 0x80
373 #define ECP_EIADDRMASKL 0x00ff0000
374 #define ECP_EIADDRSHFTL 16
375 #define ECP_EIADDRMASKH 0xff000000
376 #define ECP_EIADDRSHFTH 24
377 #define ECP_EIBRDENAB 0xc84
379 #define ECP_EISAID 0x4
382 * Important defines for the Micro-channel class of ECP board.
383 * (It has a lot in common with the ISA boards.)
386 #define ECP_MCCONFR 1
387 #define ECP_MCSTOP 0x20
388 #define ECP_MCENABLE 0x80
389 #define ECP_MCDISABLE 0x00
392 * Hardware configuration info for ONboard and Brumby boards. These
393 * defines apply to the directly accessable io ports of these boards.
395 #define ONB_IOSIZE 16
396 #define ONB_MEMSIZE (64 * 1024)
397 #define ONB_ATPAGESIZE (64 * 1024)
398 #define ONB_MCPAGESIZE (64 * 1024)
399 #define ONB_EIMEMSIZE (128 * 1024)
400 #define ONB_EIPAGESIZE (64 * 1024)
403 * Important defines for the ISA class of ONboard board.
406 #define ONB_ATMEMAR 1
407 #define ONB_ATCONFR 2
408 #define ONB_ATSTOP 0x4
409 #define ONB_ATENABLE 0x01
410 #define ONB_ATDISABLE 0x00
411 #define ONB_ATADDRMASK 0xff0000
412 #define ONB_ATADDRSHFT 16
414 #define ONB_HIMEMENAB 0x02
417 * Important defines for the EISA class of ONboard board.
420 #define ONB_EIMEMARL 1
421 #define ONB_EICONFR 2
422 #define ONB_EIMEMARH 3
423 #define ONB_EIENABLE 0x1
424 #define ONB_EIDISABLE 0x0
425 #define ONB_EISTOP 0x4
426 #define ONB_EIEDGE 0x00
427 #define ONB_EILEVEL 0x80
428 #define ONB_EIADDRMASKL 0x00ff0000
429 #define ONB_EIADDRSHFTL 16
430 #define ONB_EIADDRMASKH 0xff000000
431 #define ONB_EIADDRSHFTH 24
432 #define ONB_EIBRDENAB 0xc84
434 #define ONB_EISAID 0x1
437 * Important defines for the Brumby boards. They are pretty simple,
438 * there is not much that is programmably configurable.
440 #define BBY_IOSIZE 16
441 #define BBY_MEMSIZE (64 * 1024)
442 #define BBY_PAGESIZE (16 * 1024)
445 #define BBY_ATCONFR 1
446 #define BBY_ATSTOP 0x4
449 * Important defines for the Stallion boards. They are pretty simple,
450 * there is not much that is programmably configurable.
452 #define STAL_IOSIZE 16
453 #define STAL_MEMSIZE (64 * 1024)
454 #define STAL_PAGESIZE (64 * 1024)
457 * Define the set of status register values for EasyConnection panels.
458 * The signature will return with the status value for each panel. From
459 * this we can determine what is attached to the board - before we have
460 * actually down loaded any code to it.
462 #define ECH_PNLSTATUS 2
463 #define ECH_PNL16PORT 0x20
464 #define ECH_PNLIDMASK 0x07
465 #define ECH_PNLXPID 0x40
466 #define ECH_PNLINTRPEND 0x80
469 * Define some macros to do things to the board. Even those these boards
470 * are somewhat related there is often significantly different ways of
471 * doing some operation on it (like enable, paging, reset, etc). So each
472 * board class has a set of functions which do the commonly required
473 * operations. The macros below basically just call these functions,
474 * generally checking for a NULL function - which means that the board
475 * needs nothing done to it to achieve this operation!
477 #define EBRDINIT(brdp) \
478 if (brdp->init != NULL) \
481 #define EBRDENABLE(brdp) \
482 if (brdp->enable != NULL) \
483 (* brdp->enable)(brdp);
485 #define EBRDDISABLE(brdp) \
486 if (brdp->disable != NULL) \
487 (* brdp->disable)(brdp);
489 #define EBRDINTR(brdp) \
490 if (brdp->intr != NULL) \
491 (* brdp->intr)(brdp);
493 #define EBRDRESET(brdp) \
494 if (brdp->reset != NULL) \
495 (* brdp->reset)(brdp);
497 #define EBRDGETMEMPTR(brdp,offset) \
498 (* brdp->getmemptr)(brdp, offset, __LINE__)
501 * Define the maximal baud rate.
503 #define STL_MAXBAUD 230400
505 /*****************************************************************************/
508 * Define macros to extract a brd and port number from a minor number.
509 * This uses the extended minor number range in the upper 2 bytes of
510 * the device number. This gives us plenty of minor numbers to play
513 #define MKDEV2BRD(m) ((minor(m) & 0x00700000) >> 20)
514 #define MKDEV2PORT(m) ((minor(m) & 0x1f) | ((minor(m) & 0x00010000) >> 11))
517 * Define some handy local macros...
520 #define MIN(a,b) (((a) <= (b)) ? (a) : (b))
523 /*****************************************************************************/
526 * Declare all those functions in this driver! First up is the set of
527 * externally visible functions.
529 static int stliprobe(struct isa_device *idp);
530 static int stliattach(struct isa_device *idp);
532 STATIC d_open_t stliopen;
533 STATIC d_close_t stliclose;
534 STATIC d_read_t stliread;
535 STATIC d_write_t stliwrite;
536 STATIC d_ioctl_t stliioctl;
539 * Internal function prototypes.
541 static stliport_t *stli_dev2port(dev_t dev);
542 static int stli_isaprobe(struct isa_device *idp);
543 static int stli_eisaprobe(struct isa_device *idp);
544 static int stli_mcaprobe(struct isa_device *idp);
545 static int stli_brdinit(stlibrd_t *brdp);
546 static int stli_brdattach(stlibrd_t *brdp);
547 static int stli_initecp(stlibrd_t *brdp);
548 static int stli_initonb(stlibrd_t *brdp);
549 static int stli_initports(stlibrd_t *brdp);
550 static int stli_startbrd(stlibrd_t *brdp);
551 static void stli_poll(void *arg);
552 static __inline void stli_brdpoll(stlibrd_t *brdp, volatile cdkhdr_t *hdrp);
553 static __inline int stli_hostcmd(stlibrd_t *brdp, stliport_t *portp);
554 static __inline void stli_dodelaycmd(stliport_t *portp,
555 volatile cdkctrl_t *cp);
556 static void stli_mkasysigs(asysigs_t *sp, int dtr, int rts);
557 static long stli_mktiocm(unsigned long sigvalue);
558 static void stli_rxprocess(stlibrd_t *brdp, stliport_t *portp);
559 static void stli_flush(stliport_t *portp, int flag);
560 static void stli_start(struct tty *tp);
561 static void stli_stop(struct tty *tp, int rw);
562 static int stli_param(struct tty *tp, struct termios *tiosp);
563 static void stli_ttyoptim(stliport_t *portp, struct termios *tiosp);
564 static void stli_dtrwakeup(void *arg);
565 static int stli_initopen(stliport_t *portp);
566 static int stli_shutdownclose(stliport_t *portp);
567 static int stli_rawopen(stlibrd_t *brdp, stliport_t *portp,
568 unsigned long arg, int wait);
569 static int stli_rawclose(stlibrd_t *brdp, stliport_t *portp,
570 unsigned long arg, int wait);
571 static int stli_cmdwait(stlibrd_t *brdp, stliport_t *portp,
572 unsigned long cmd, void *arg, int size, int copyback);
573 static void stli_sendcmd(stlibrd_t *brdp, stliport_t *portp,
574 unsigned long cmd, void *arg, int size, int copyback);
575 static void stli_mkasyport(stliport_t *portp, asyport_t *pp,
576 struct termios *tiosp);
577 static int stli_memrw(dev_t dev, struct uio *uiop, int flag);
578 static int stli_memioctl(dev_t dev, unsigned long cmd, caddr_t data,
579 int flag, struct thread *td);
580 static int stli_getbrdstats(caddr_t data);
581 static int stli_getportstats(stliport_t *portp, caddr_t data);
582 static int stli_clrportstats(stliport_t *portp, caddr_t data);
583 static stliport_t *stli_getport(int brdnr, int panelnr, int portnr);
585 static void stli_ecpinit(stlibrd_t *brdp);
586 static void stli_ecpenable(stlibrd_t *brdp);
587 static void stli_ecpdisable(stlibrd_t *brdp);
588 static void stli_ecpreset(stlibrd_t *brdp);
589 static char *stli_ecpgetmemptr(stlibrd_t *brdp, unsigned long offset,
591 static void stli_ecpintr(stlibrd_t *brdp);
592 static void stli_ecpeiinit(stlibrd_t *brdp);
593 static void stli_ecpeienable(stlibrd_t *brdp);
594 static void stli_ecpeidisable(stlibrd_t *brdp);
595 static void stli_ecpeireset(stlibrd_t *brdp);
596 static char *stli_ecpeigetmemptr(stlibrd_t *brdp, unsigned long offset,
598 static void stli_ecpmcenable(stlibrd_t *brdp);
599 static void stli_ecpmcdisable(stlibrd_t *brdp);
600 static void stli_ecpmcreset(stlibrd_t *brdp);
601 static char *stli_ecpmcgetmemptr(stlibrd_t *brdp, unsigned long offset,
604 static void stli_onbinit(stlibrd_t *brdp);
605 static void stli_onbenable(stlibrd_t *brdp);
606 static void stli_onbdisable(stlibrd_t *brdp);
607 static void stli_onbreset(stlibrd_t *brdp);
608 static char *stli_onbgetmemptr(stlibrd_t *brdp, unsigned long offset,
610 static void stli_onbeinit(stlibrd_t *brdp);
611 static void stli_onbeenable(stlibrd_t *brdp);
612 static void stli_onbedisable(stlibrd_t *brdp);
613 static void stli_onbereset(stlibrd_t *brdp);
614 static char *stli_onbegetmemptr(stlibrd_t *brdp, unsigned long offset,
616 static void stli_bbyinit(stlibrd_t *brdp);
617 static void stli_bbyreset(stlibrd_t *brdp);
618 static char *stli_bbygetmemptr(stlibrd_t *brdp, unsigned long offset,
620 static void stli_stalinit(stlibrd_t *brdp);
621 static void stli_stalreset(stlibrd_t *brdp);
622 static char *stli_stalgetmemptr(stlibrd_t *brdp, unsigned long offset,
625 /*****************************************************************************/
628 * Declare the driver isa structure.
630 struct isa_driver stlidriver = {
631 stliprobe, stliattach, stli_drvname
634 /*****************************************************************************/
639 * FreeBSD-2.2+ kernel linkage.
642 #define CDEV_MAJOR 75
643 static struct cdevsw stli_cdevsw = {
644 /* name */ stli_drvname,
645 /* maj */ CDEV_MAJOR,
646 /* flags */ D_TTY | D_KQFILTER,
651 /* close */ stliclose,
653 /* write */ stliwrite,
654 /* ioctl */ stliioctl,
657 /* strategy */ nostrategy,
660 /* kqfilter */ ttykqfilter
665 /*****************************************************************************/
667 static stlibrd_t *stli_brdalloc(void)
671 brdp = malloc(sizeof(stlibrd_t), M_TTYS, M_WAITOK | M_ZERO);
675 /*****************************************************************************/
678 * Find an available internal board number (unit number). The problem
679 * is that the same unit numbers can be assigned to different class
680 * boards - but we only want to maintain one setup board structures.
683 static int stli_findfreeunit(void)
687 for (i = 0; (i < STL_MAXBRDS); i++)
688 if (stli_brds[i] == (stlibrd_t *) NULL)
690 return((i >= STL_MAXBRDS) ? -1 : i);
693 /*****************************************************************************/
696 * Try and determine the ISA board type. Hopefully the board
697 * configuration entry will help us out, using the flags field.
698 * If not, we may ne be able to determine the board type...
701 static int stli_isaprobe(struct isa_device *idp)
706 printf("stli_isaprobe(idp=%x): unit=%d iobase=%x flags=%x\n",
707 (int) idp, idp->id_unit, idp->id_iobase, idp->id_flags);
710 switch (idp->id_flags) {
718 btype = idp->id_flags;
727 /*****************************************************************************/
730 * Probe for an EISA board type. We should be able to read the EISA ID,
731 * that will tell us if a board is present or not...
734 static int stli_eisaprobe(struct isa_device *idp)
739 printf("stli_eisaprobe(idp=%x): unit=%d iobase=%x flags=%x\n",
740 (int) idp, idp->id_unit, idp->id_iobase, idp->id_flags);
744 * Firstly check if this is an EISA system. Do this by probing for
745 * the system board EISA ID. If this is not an EISA system then
746 * don't bother going any further!
749 if (inb(0xc80) == 0xff)
753 * Try and read the EISA ID from the board at specified address.
754 * If one is present it will tell us the board type as well.
756 outb((idp->id_iobase + 0xc80), 0xff);
757 eid = inb(idp->id_iobase + 0xc80);
758 eid |= inb(idp->id_iobase + 0xc81) << 8;
759 if (eid != STL_EISAID)
763 eid = inb(idp->id_iobase + 0xc82);
764 if (eid == ECP_EISAID)
766 else if (eid == ONB_EISAID)
767 btype = BRD_ONBOARDE;
769 outb((idp->id_iobase + 0xc84), 0x1);
773 /*****************************************************************************/
776 * Probe for an MCA board type. Not really sure how to do this yet,
777 * so for now just use the supplied flag specifier as board type...
780 static int stli_mcaprobe(struct isa_device *idp)
785 printf("stli_mcaprobe(idp=%x): unit=%d iobase=%x flags=%x\n",
786 (int) idp, idp->id_unit, idp->id_iobase, idp->id_flags);
789 switch (idp->id_flags) {
791 case BRD_ONBOARD2_32:
795 btype = idp->id_flags;
804 /*****************************************************************************/
807 * Probe for a board. This is involved, since we need to enable the
808 * shared memory region to see if the board is really there or not...
811 static int stliprobe(struct isa_device *idp)
817 printf("stliprobe(idp=%x): unit=%d iobase=%x flags=%x\n", (int) idp,
818 idp->id_unit, idp->id_iobase, idp->id_flags);
821 if (idp->id_unit > STL_MAXBRDS)
825 * First up determine what bus type of board we might be dealing
826 * with. It is easy to separate out the ISA from the EISA and MCA
827 * boards, based on their IO addresses. We may not be able to tell
828 * the EISA and MCA apart on IO address alone...
831 if ((idp->id_iobase > 0) && (idp->id_iobase < 0x400)) {
835 if ((idp->id_iobase >= 0x700) && (idp->id_iobase < 0x900))
838 if ((idp->id_iobase >= 0x7000) && (idp->id_iobase < 0x7400))
840 if ((idp->id_iobase >= 0x8000) && (idp->id_iobase < 0xc000))
842 /* EISA board range */
843 if ((idp->id_iobase & ~0xf000) == 0)
847 if ((bclass == 0) || (idp->id_iobase == 0))
851 * Based on the board bus type, try and figure out what it might be...
854 if (bclass & BRD_ISA)
855 btype = stli_isaprobe(idp);
856 if ((btype == 0) && (bclass & BRD_EISA))
857 btype = stli_eisaprobe(idp);
858 if ((btype == 0) && (bclass & BRD_MCA))
859 btype = stli_mcaprobe(idp);
864 * Go ahead and try probing for the shared memory region now.
865 * This way we will really know if the board is here...
867 if ((brdp = stli_brdalloc()) == (stlibrd_t *) NULL)
870 brdp->brdnr = stli_findfreeunit();
871 brdp->brdtype = btype;
872 brdp->unitid = idp->id_unit;
873 brdp->iobase = idp->id_iobase;
874 brdp->vaddr = idp->id_maddr;
875 brdp->paddr = vtophys(idp->id_maddr);
878 printf("%s(%d): btype=%x unit=%d brd=%d io=%x mem=%lx(%p)\n",
879 __file__, __LINE__, btype, brdp->unitid, brdp->brdnr,
880 brdp->iobase, brdp->paddr, (void *) brdp->vaddr);
883 stli_stliprobed[idp->id_unit] = brdp->brdnr;
885 if ((brdp->state & BST_FOUND) == 0) {
886 stli_brds[brdp->brdnr] = (stlibrd_t *) NULL;
893 /*****************************************************************************/
896 * Allocate resources for and initialize a board.
899 static int stliattach(struct isa_device *idp)
905 printf("stliattach(idp=%p): unit=%d iobase=%x\n", (void *) idp,
906 idp->id_unit, idp->id_iobase);
909 brdnr = stli_stliprobed[idp->id_unit];
910 brdp = stli_brds[brdnr];
911 if (brdp == (stlibrd_t *) NULL)
913 if (brdp->state & BST_FOUND)
914 stli_brdattach(brdp);
919 /*****************************************************************************/
921 STATIC int stliopen(dev_t dev, int flag, int mode, struct thread *td)
925 int error, callout, x;
928 printf("stliopen(dev=%x,flag=%x,mode=%x,p=%x)\n", (int) dev, flag,
933 * Firstly check if the supplied device number is a valid device.
935 if (minor(dev) & STL_MEMDEV)
938 portp = stli_dev2port(dev);
939 if (portp == (stliport_t *) NULL)
941 if (minor(dev) & STL_CTRLDEV)
945 callout = minor(dev) & STL_CALLOUTDEV;
952 * Wait here for the DTR drop timeout period to expire.
954 while (portp->state & ST_DTRWAIT) {
955 error = tsleep(&portp->dtrwait, PCATCH, "stlidtr", 0);
961 * If the port is in its raw hardware initialization phase, then
962 * hold up here 'till it is done.
964 while (portp->state & (ST_INITIALIZING | ST_CLOSING)) {
965 error = tsleep(&portp->state, PCATCH, "stliraw", 0);
971 * We have a valid device, so now we check if it is already open.
972 * If not then initialize the port hardware and set up the tty
973 * struct as required.
975 if ((tp->t_state & TS_ISOPEN) == 0) {
976 tp->t_oproc = stli_start;
977 tp->t_param = stli_param;
978 tp->t_stop = stli_stop;
980 tp->t_termios = callout ? portp->initouttios :
982 stli_initopen(portp);
983 wakeup(&portp->state);
985 if ((portp->sigs & TIOCM_CD) || callout)
986 (*linesw[tp->t_line].l_modem)(tp, 1);
989 if (portp->callout == 0) {
994 if (portp->callout != 0) {
995 if (flag & O_NONBLOCK) {
999 error = tsleep(&portp->callout,
1000 PCATCH, "stlicall", 0);
1003 goto stliopen_restart;
1006 if ((tp->t_state & TS_XCLUDE) &&
1014 * If this port is not the callout device and we do not have carrier
1015 * then we need to sleep, waiting for it to be asserted.
1017 if (((tp->t_state & TS_CARR_ON) == 0) && !callout &&
1018 ((tp->t_cflag & CLOCAL) == 0) &&
1019 ((flag & O_NONBLOCK) == 0)) {
1021 error = tsleep(TSA_CARR_ON(tp), PCATCH, "stlidcd",0);
1025 goto stliopen_restart;
1029 * Open the line discipline.
1031 error = (*linesw[tp->t_line].l_open)(dev, tp);
1032 stli_ttyoptim(portp, &tp->t_termios);
1033 if ((tp->t_state & TS_ISOPEN) && callout)
1037 * If for any reason we get to here and the port is not actually
1038 * open then close of the physical hardware - no point leaving it
1039 * active when the open failed...
1043 if (((tp->t_state & TS_ISOPEN) == 0) && (portp->waitopens == 0))
1044 stli_shutdownclose(portp);
1049 /*****************************************************************************/
1051 STATIC int stliclose(dev_t dev, int flag, int mode, struct thread *td)
1058 printf("stliclose(dev=%s,flag=%x,mode=%x,p=%p)\n",
1059 devtoname(dev), flag, mode, (void *) p);
1062 if (minor(dev) & STL_MEMDEV)
1064 if (minor(dev) & STL_CTRLDEV)
1067 portp = stli_dev2port(dev);
1068 if (portp == (stliport_t *) NULL)
1073 (*linesw[tp->t_line].l_close)(tp, flag);
1074 stli_ttyoptim(portp, &tp->t_termios);
1075 stli_shutdownclose(portp);
1082 STATIC int stliread(dev_t dev, struct uio *uiop, int flag)
1087 printf("stliread(dev=%s,uiop=%p,flag=%x)\n", devtoname(dev),
1088 (void *) uiop, flag);
1091 if (minor(dev) & STL_MEMDEV)
1092 return(stli_memrw(dev, uiop, flag));
1093 if (minor(dev) & STL_CTRLDEV)
1096 portp = stli_dev2port(dev);
1097 if (portp == (stliport_t *) NULL)
1099 return ttyread(dev, uiop, flag);
1102 /*****************************************************************************/
1106 STATIC void stli_stop(struct tty *tp, int rw)
1109 printf("stli_stop(tp=%x,rw=%x)\n", (int) tp, rw);
1112 stli_flush((stliport_t *) tp, rw);
1117 STATIC int stlistop(struct tty *tp, int rw)
1120 printf("stlistop(tp=%x,rw=%x)\n", (int) tp, rw);
1123 stli_flush((stliport_t *) tp, rw);
1129 /*****************************************************************************/
1131 STATIC int stliwrite(dev_t dev, struct uio *uiop, int flag)
1136 printf("stliwrite(dev=%s,uiop=%p,flag=%x)\n", devtoname(dev),
1137 (void *) uiop, flag);
1140 if (minor(dev) & STL_MEMDEV)
1141 return(stli_memrw(dev, uiop, flag));
1142 if (minor(dev) & STL_CTRLDEV)
1144 portp = stli_dev2port(dev);
1145 if (portp == (stliport_t *) NULL)
1147 return ttywrite(dev, uiop, flag);
1150 /*****************************************************************************/
1152 STATIC int stliioctl(dev_t dev, unsigned long cmd, caddr_t data, int flag,
1155 struct termios *newtios, *localtios;
1163 printf("stliioctl(dev=%s,cmd=%lx,data=%p,flag=%x,p=%p)\n",
1164 devtoname(dev), cmd, (void *) data, flag, (void *) p);
1167 if (minor(dev) & STL_MEMDEV)
1168 return(stli_memioctl(dev, cmd, data, flag, td));
1170 portp = stli_dev2port(dev);
1171 if (portp == (stliport_t *) NULL)
1173 if ((brdp = stli_brds[portp->brdnr]) == (stlibrd_t *) NULL)
1179 * First up handle ioctls on the control devices.
1181 if (minor(dev) & STL_CTRLDEV) {
1182 if ((minor(dev) & STL_CTRLDEV) == STL_CTRLINIT)
1183 localtios = (minor(dev) & STL_CALLOUTDEV) ?
1184 &portp->initouttios : &portp->initintios;
1185 else if ((minor(dev) & STL_CTRLDEV) == STL_CTRLLOCK)
1186 localtios = (minor(dev) & STL_CALLOUTDEV) ?
1187 &portp->lockouttios : &portp->lockintios;
1193 if ((error = suser(td)) == 0)
1194 *localtios = *((struct termios *) data);
1197 *((struct termios *) data) = *localtios;
1200 *((int *) data) = TTYDISC;
1203 bzero(data, sizeof(struct winsize));
1213 * Deal with 4.3 compatibility issues if we have too...
1215 #if defined(COMPAT_43) || defined(COMPAT_SUNOS)
1217 struct termios tios;
1218 unsigned long oldcmd;
1220 tios = tp->t_termios;
1222 if ((error = ttsetcompat(tp, &cmd, data, &tios)))
1225 data = (caddr_t) &tios;
1230 * Carry out some pre-cmd processing work first...
1231 * Hmmm, not so sure we want this, disable for now...
1233 if ((cmd == TIOCSETA) || (cmd == TIOCSETAW) || (cmd == TIOCSETAF)) {
1234 newtios = (struct termios *) data;
1235 localtios = (minor(dev) & STL_CALLOUTDEV) ? &portp->lockouttios :
1238 newtios->c_iflag = (tp->t_iflag & localtios->c_iflag) |
1239 (newtios->c_iflag & ~localtios->c_iflag);
1240 newtios->c_oflag = (tp->t_oflag & localtios->c_oflag) |
1241 (newtios->c_oflag & ~localtios->c_oflag);
1242 newtios->c_cflag = (tp->t_cflag & localtios->c_cflag) |
1243 (newtios->c_cflag & ~localtios->c_cflag);
1244 newtios->c_lflag = (tp->t_lflag & localtios->c_lflag) |
1245 (newtios->c_lflag & ~localtios->c_lflag);
1246 for (i = 0; (i < NCCS); i++) {
1247 if (localtios->c_cc[i] != 0)
1248 newtios->c_cc[i] = tp->t_cc[i];
1250 if (localtios->c_ispeed != 0)
1251 newtios->c_ispeed = tp->t_ispeed;
1252 if (localtios->c_ospeed != 0)
1253 newtios->c_ospeed = tp->t_ospeed;
1257 * Call the line discipline and the common command processing to
1258 * process this command (if they can).
1260 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, td);
1261 if (error != ENOIOCTL)
1265 error = ttioctl(tp, cmd, data, flag);
1266 stli_ttyoptim(portp, &tp->t_termios);
1267 if (error != ENOIOCTL) {
1275 * Process local commands here. These are all commands that only we
1276 * can take care of (they all rely on actually doing something special
1277 * to the actual hardware).
1282 error = stli_cmdwait(brdp, portp, A_BREAK, &arg,
1283 sizeof(unsigned long), 0);
1287 error = stli_cmdwait(brdp, portp, A_BREAK, &arg,
1288 sizeof(unsigned long), 0);
1291 stli_mkasysigs(&portp->asig, 1, -1);
1292 error = stli_cmdwait(brdp, portp, A_SETSIGNALS, &portp->asig,
1293 sizeof(asysigs_t), 0);
1296 stli_mkasysigs(&portp->asig, 0, -1);
1297 error = stli_cmdwait(brdp, portp, A_SETSIGNALS, &portp->asig,
1298 sizeof(asysigs_t), 0);
1301 i = *((int *) data);
1302 stli_mkasysigs(&portp->asig, ((i & TIOCM_DTR) ? 1 : 0),
1303 ((i & TIOCM_RTS) ? 1 : 0));
1304 error = stli_cmdwait(brdp, portp, A_SETSIGNALS, &portp->asig,
1305 sizeof(asysigs_t), 0);
1308 i = *((int *) data);
1309 stli_mkasysigs(&portp->asig, ((i & TIOCM_DTR) ? 1 : -1),
1310 ((i & TIOCM_RTS) ? 1 : -1));
1311 error = stli_cmdwait(brdp, portp, A_SETSIGNALS, &portp->asig,
1312 sizeof(asysigs_t), 0);
1315 i = *((int *) data);
1316 stli_mkasysigs(&portp->asig, ((i & TIOCM_DTR) ? 0 : -1),
1317 ((i & TIOCM_RTS) ? 0 : -1));
1318 error = stli_cmdwait(brdp, portp, A_SETSIGNALS, &portp->asig,
1319 sizeof(asysigs_t), 0);
1322 if ((error = stli_cmdwait(brdp, portp, A_GETSIGNALS,
1323 &portp->asig, sizeof(asysigs_t), 1)) < 0)
1325 portp->sigs = stli_mktiocm(portp->asig.sigvalue);
1326 *((int *) data) = (portp->sigs | TIOCM_LE);
1329 if ((error = suser(td)) == 0)
1330 portp->dtrwait = *((int *) data) * hz / 100;
1333 *((int *) data) = portp->dtrwait * 100 / hz;
1336 portp->dotimestamp = 1;
1337 *((struct timeval *) data) = portp->timestamp;
1340 *((unsigned long *) data) = portp->pflag;
1343 portp->pflag = *((unsigned long *) data);
1344 stli_param(&portp->tty, &portp->tty.t_termios);
1355 /*****************************************************************************/
1358 * Convert the specified minor device number into a port struct
1359 * pointer. Return NULL if the device number is not a valid port.
1362 STATIC stliport_t *stli_dev2port(dev_t dev)
1366 brdp = stli_brds[MKDEV2BRD(dev)];
1367 if (brdp == (stlibrd_t *) NULL)
1368 return((stliport_t *) NULL);
1369 if ((brdp->state & BST_STARTED) == 0)
1370 return((stliport_t *) NULL);
1371 return(brdp->ports[MKDEV2PORT(dev)]);
1374 /*****************************************************************************/
1377 * Carry out first open operations on a port. This involves a number of
1378 * commands to be sent to the slave. We need to open the port, set the
1379 * notification events, set the initial port settings, get and set the
1380 * initial signal values. We sleep and wait in between each one. But
1381 * this still all happens pretty quickly.
1384 static int stli_initopen(stliport_t *portp)
1392 printf("stli_initopen(portp=%x)\n", (int) portp);
1395 if ((brdp = stli_brds[portp->brdnr]) == (stlibrd_t *) NULL)
1397 if (portp->state & ST_INITIALIZED)
1399 portp->state |= ST_INITIALIZED;
1401 if ((rc = stli_rawopen(brdp, portp, 0, 1)) < 0)
1404 bzero(&nt, sizeof(asynotify_t));
1405 nt.data = (DT_TXLOW | DT_TXEMPTY | DT_RXBUSY | DT_RXBREAK);
1407 if ((rc = stli_cmdwait(brdp, portp, A_SETNOTIFY, &nt,
1408 sizeof(asynotify_t), 0)) < 0)
1411 stli_mkasyport(portp, &aport, &portp->tty.t_termios);
1412 if ((rc = stli_cmdwait(brdp, portp, A_SETPORT, &aport,
1413 sizeof(asyport_t), 0)) < 0)
1416 portp->state |= ST_GETSIGS;
1417 if ((rc = stli_cmdwait(brdp, portp, A_GETSIGNALS, &portp->asig,
1418 sizeof(asysigs_t), 1)) < 0)
1420 if (portp->state & ST_GETSIGS) {
1421 portp->sigs = stli_mktiocm(portp->asig.sigvalue);
1422 portp->state &= ~ST_GETSIGS;
1425 stli_mkasysigs(&portp->asig, 1, 1);
1426 if ((rc = stli_cmdwait(brdp, portp, A_SETSIGNALS, &portp->asig,
1427 sizeof(asysigs_t), 0)) < 0)
1433 /*****************************************************************************/
1436 * Shutdown the hardware of a port.
1439 static int stli_shutdownclose(stliport_t *portp)
1446 printf("stli_shutdownclose(portp=%p): brdnr=%d panelnr=%d portnr=%d\n",
1447 (void *) portp, portp->brdnr, portp->panelnr, portp->portnr);
1450 if ((brdp = stli_brds[portp->brdnr]) == (stlibrd_t *) NULL)
1454 stli_rawclose(brdp, portp, 0, 0);
1455 stli_flush(portp, (FWRITE | FREAD));
1456 if (tp->t_cflag & HUPCL) {
1458 stli_mkasysigs(&portp->asig, 0, 0);
1459 if (portp->state & ST_CMDING) {
1460 portp->state |= ST_DOSIGS;
1462 stli_sendcmd(brdp, portp, A_SETSIGNALS,
1463 &portp->asig, sizeof(asysigs_t), 0);
1466 if (portp->dtrwait != 0) {
1467 portp->state |= ST_DTRWAIT;
1468 callout_reset(&portp->dtr_ch, portp->dtrwait,
1469 stli_dtrwakeup, portp);
1473 portp->state &= ~ST_INITIALIZED;
1474 wakeup(&portp->callout);
1475 wakeup(TSA_CARR_ON(tp));
1479 /*****************************************************************************/
1482 * Clear the DTR waiting flag, and wake up any sleepers waiting for
1483 * DTR wait period to finish.
1486 static void stli_dtrwakeup(void *arg)
1490 portp = (stliport_t *) arg;
1491 portp->state &= ~ST_DTRWAIT;
1492 wakeup(&portp->dtrwait);
1495 /*****************************************************************************/
1498 * Send an open message to the slave. This will sleep waiting for the
1499 * acknowledgement, so must have user context. We need to co-ordinate
1500 * with close events here, since we don't want open and close events
1504 static int stli_rawopen(stlibrd_t *brdp, stliport_t *portp, unsigned long arg, int wait)
1506 volatile cdkhdr_t *hdrp;
1507 volatile cdkctrl_t *cp;
1508 volatile unsigned char *bits;
1512 printf("stli_rawopen(brdp=%x,portp=%x,arg=%x,wait=%d)\n", (int) brdp,
1513 (int) portp, (int) arg, wait);
1519 * Slave is already closing this port. This can happen if a hangup
1520 * occurs on this port. So we must wait until it is complete. The
1521 * order of opens and closes may not be preserved across shared
1522 * memory, so we must wait until it is complete.
1524 while (portp->state & ST_CLOSING) {
1525 rc = tsleep(&portp->state, PCATCH, "stliraw", 0);
1533 * Everything is ready now, so write the open message into shared
1534 * memory. Once the message is in set the service bits to say that
1535 * this port wants service.
1538 cp = &((volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr))->ctrl;
1541 hdrp = (volatile cdkhdr_t *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
1542 bits = ((volatile unsigned char *) hdrp) + brdp->slaveoffset +
1544 *bits |= portp->portbit;
1553 * Slave is in action, so now we must wait for the open acknowledgment
1557 portp->state |= ST_OPENING;
1558 while (portp->state & ST_OPENING) {
1559 rc = tsleep(&portp->state, PCATCH, "stliraw", 0);
1567 if ((rc == 0) && (portp->rc != 0))
1572 /*****************************************************************************/
1575 * Send a close message to the slave. Normally this will sleep waiting
1576 * for the acknowledgement, but if wait parameter is 0 it will not. If
1577 * wait is true then must have user context (to sleep).
1580 static int stli_rawclose(stlibrd_t *brdp, stliport_t *portp, unsigned long arg, int wait)
1582 volatile cdkhdr_t *hdrp;
1583 volatile cdkctrl_t *cp;
1584 volatile unsigned char *bits;
1588 printf("stli_rawclose(brdp=%x,portp=%x,arg=%x,wait=%d)\n", (int) brdp,
1589 (int) portp, (int) arg, wait);
1595 * Slave is already closing this port. This can happen if a hangup
1596 * occurs on this port.
1599 while (portp->state & ST_CLOSING) {
1600 rc = tsleep(&portp->state, PCATCH, "stliraw", 0);
1609 * Write the close command into shared memory.
1612 cp = &((volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr))->ctrl;
1615 hdrp = (volatile cdkhdr_t *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
1616 bits = ((volatile unsigned char *) hdrp) + brdp->slaveoffset +
1618 *bits |= portp->portbit;
1621 portp->state |= ST_CLOSING;
1628 * Slave is in action, so now we must wait for the open acknowledgment
1632 while (portp->state & ST_CLOSING) {
1633 rc = tsleep(&portp->state, PCATCH, "stliraw", 0);
1641 if ((rc == 0) && (portp->rc != 0))
1646 /*****************************************************************************/
1649 * Send a command to the slave and wait for the response. This must
1650 * have user context (it sleeps). This routine is generic in that it
1651 * can send any type of command. Its purpose is to wait for that command
1652 * to complete (as opposed to initiating the command then returning).
1655 static int stli_cmdwait(stlibrd_t *brdp, stliport_t *portp, unsigned long cmd, void *arg, int size, int copyback)
1660 printf("stli_cmdwait(brdp=%x,portp=%x,cmd=%x,arg=%x,size=%d,"
1661 "copyback=%d)\n", (int) brdp, (int) portp, (int) cmd,
1662 (int) arg, size, copyback);
1666 while (portp->state & ST_CMDING) {
1667 rc = tsleep(&portp->state, PCATCH, "stliraw", 0);
1674 stli_sendcmd(brdp, portp, cmd, arg, size, copyback);
1676 while (portp->state & ST_CMDING) {
1677 rc = tsleep(&portp->state, PCATCH, "stliraw", 0);
1690 /*****************************************************************************/
1693 * Start (or continue) the transfer of TX data on this port. If the
1694 * port is not currently busy then load up the interrupt ring queue
1695 * buffer and kick of the transmitter. If the port is running low on
1696 * TX data then refill the ring queue. This routine is also used to
1697 * activate input flow control!
1700 static void stli_start(struct tty *tp)
1702 volatile cdkasy_t *ap;
1703 volatile cdkhdr_t *hdrp;
1704 volatile unsigned char *bits;
1705 unsigned char *shbuf;
1708 unsigned int len, stlen, head, tail, size;
1711 portp = (stliport_t *) tp;
1714 printf("stli_start(tp=%x): brdnr=%d portnr=%d\n", (int) tp,
1715 portp->brdnr, portp->portnr);
1722 * Check if the output cooked clist buffers are near empty, wake up
1723 * the line discipline to fill it up.
1725 if (tp->t_outq.c_cc <= tp->t_lowat) {
1726 if (tp->t_state & TS_ASLEEP) {
1727 tp->t_state &= ~TS_ASLEEP;
1728 wakeup(&tp->t_outq);
1730 selwakeup(&tp->t_wsel);
1734 if (tp->t_state & (TS_TIMEOUT | TS_TTSTOP)) {
1740 * Copy data from the clists into the interrupt ring queue. This will
1741 * require at most 2 copys... What we do is calculate how many chars
1742 * can fit into the ring queue, and how many can fit in 1 copy. If after
1743 * the first copy there is still more room then do the second copy.
1745 if (tp->t_outq.c_cc != 0) {
1746 brdp = stli_brds[portp->brdnr];
1747 if (brdp == (stlibrd_t *) NULL) {
1753 ap = (volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr);
1754 head = (unsigned int) ap->txq.head;
1755 tail = (unsigned int) ap->txq.tail;
1756 if (tail != ((unsigned int) ap->txq.tail))
1757 tail = (unsigned int) ap->txq.tail;
1758 size = portp->txsize;
1760 len = size - (head - tail) - 1;
1761 stlen = size - head;
1763 len = tail - head - 1;
1768 shbuf = (char *) EBRDGETMEMPTR(brdp, portp->txoffset);
1771 stlen = MIN(len, stlen);
1772 count = q_to_b(&tp->t_outq, (shbuf + head), stlen);
1778 stlen = q_to_b(&tp->t_outq, shbuf, len);
1785 ap = (volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr);
1786 ap->txq.head = head;
1787 hdrp = (volatile cdkhdr_t *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
1788 bits = ((volatile unsigned char *) hdrp) + brdp->slaveoffset +
1790 *bits |= portp->portbit;
1791 portp->state |= ST_TXBUSY;
1792 tp->t_state |= TS_BUSY;
1799 * Do any writer wakeups.
1807 /*****************************************************************************/
1810 * Send a new port configuration to the slave.
1813 static int stli_param(struct tty *tp, struct termios *tiosp)
1820 portp = (stliport_t *) tp;
1821 if ((brdp = stli_brds[portp->brdnr]) == (stlibrd_t *) NULL)
1825 stli_mkasyport(portp, &aport, tiosp);
1826 /* can we sleep here? */
1827 rc = stli_cmdwait(brdp, portp, A_SETPORT, &aport, sizeof(asyport_t), 0);
1828 stli_ttyoptim(portp, tiosp);
1833 /*****************************************************************************/
1836 * Flush characters from the lower buffer. We may not have user context
1837 * so we cannot sleep waiting for it to complete. Also we need to check
1838 * if there is chars for this port in the TX cook buffer, and flush them
1842 static void stli_flush(stliport_t *portp, int flag)
1845 unsigned long ftype;
1849 printf("stli_flush(portp=%x,flag=%x)\n", (int) portp, flag);
1852 if (portp == (stliport_t *) NULL)
1854 if ((portp->brdnr < 0) || (portp->brdnr >= stli_nrbrds))
1856 brdp = stli_brds[portp->brdnr];
1857 if (brdp == (stlibrd_t *) NULL)
1861 if (portp->state & ST_CMDING) {
1862 portp->state |= (flag & FWRITE) ? ST_DOFLUSHTX : 0;
1863 portp->state |= (flag & FREAD) ? ST_DOFLUSHRX : 0;
1865 ftype = (flag & FWRITE) ? FLUSHTX : 0;
1866 ftype |= (flag & FREAD) ? FLUSHRX : 0;
1867 portp->state &= ~(ST_DOFLUSHTX | ST_DOFLUSHRX);
1868 stli_sendcmd(brdp, portp, A_FLUSH, &ftype,
1869 sizeof(unsigned long), 0);
1871 if ((flag & FREAD) && (stli_rxtmpport == portp))
1876 /*****************************************************************************/
1879 * Generic send command routine. This will send a message to the slave,
1880 * of the specified type with the specified argument. Must be very
1881 * carefull of data that will be copied out from shared memory -
1882 * containing command results. The command completion is all done from
1883 * a poll routine that does not have user coontext. Therefore you cannot
1884 * copy back directly into user space, or to the kernel stack of a
1885 * process. This routine does not sleep, so can be called from anywhere,
1886 * and must be called with interrupt locks set.
1889 static void stli_sendcmd(stlibrd_t *brdp, stliport_t *portp, unsigned long cmd, void *arg, int size, int copyback)
1891 volatile cdkhdr_t *hdrp;
1892 volatile cdkctrl_t *cp;
1893 volatile unsigned char *bits;
1896 printf("stli_sendcmd(brdp=%x,portp=%x,cmd=%x,arg=%x,size=%d,"
1897 "copyback=%d)\n", (int) brdp, (int) portp, (int) cmd,
1898 (int) arg, size, copyback);
1901 if (portp->state & ST_CMDING) {
1902 printf("STALLION: command already busy, cmd=%x!\n", (int) cmd);
1907 cp = &((volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr))->ctrl;
1909 bcopy(arg, &(cp->args[0]), size);
1912 portp->argsize = size;
1917 hdrp = (volatile cdkhdr_t *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
1918 bits = ((volatile unsigned char *) hdrp) + brdp->slaveoffset +
1920 *bits |= portp->portbit;
1921 portp->state |= ST_CMDING;
1925 /*****************************************************************************/
1928 * Read data from shared memory. This assumes that the shared memory
1929 * is enabled and that interrupts are off. Basically we just empty out
1930 * the shared memory buffer into the tty buffer. Must be carefull to
1931 * handle the case where we fill up the tty buffer, but still have
1932 * more chars to unload.
1935 static void stli_rxprocess(stlibrd_t *brdp, stliport_t *portp)
1937 volatile cdkasyrq_t *rp;
1938 volatile char *shbuf;
1940 unsigned int head, tail, size;
1941 unsigned int len, stlen, i;
1945 printf("stli_rxprocess(brdp=%x,portp=%d)\n", (int) brdp, (int) portp);
1949 if ((tp->t_state & TS_ISOPEN) == 0) {
1950 stli_flush(portp, FREAD);
1953 if (tp->t_state & TS_TBLOCK)
1956 rp = &((volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr))->rxq;
1957 head = (unsigned int) rp->head;
1958 if (head != ((unsigned int) rp->head))
1959 head = (unsigned int) rp->head;
1960 tail = (unsigned int) rp->tail;
1961 size = portp->rxsize;
1966 len = size - (tail - head);
1967 stlen = size - tail;
1973 shbuf = (volatile char *) EBRDGETMEMPTR(brdp, portp->rxoffset);
1976 * If we can bypass normal LD processing then just copy direct
1977 * from board shared memory into the tty buffers.
1979 if (tp->t_state & TS_CAN_BYPASS_L_RINT) {
1980 if (((tp->t_rawq.c_cc + len) >= TTYHOG) &&
1981 ((tp->t_cflag & CRTS_IFLOW) || (tp->t_iflag & IXOFF)) &&
1982 ((tp->t_state & TS_TBLOCK) == 0)) {
1983 ch = TTYHOG - tp->t_rawq.c_cc - 1;
1984 len = (ch > 0) ? ch : 0;
1985 stlen = MIN(stlen, len);
1986 tp->t_state |= TS_TBLOCK;
1988 i = b_to_q(__DEVOLATILE(char *, shbuf + tail), stlen,
1994 i += b_to_q(__DEVOLATILE(char *, shbuf), len,
2000 rp = &((volatile cdkasy_t *)
2001 EBRDGETMEMPTR(brdp, portp->addr))->rxq;
2006 * Copy the data from board shared memory into a local
2007 * memory buffer. Then feed them from here into the LD.
2008 * We don't want to go into board shared memory one char
2009 * at a time, it is too slow...
2013 stlen = min(len, stlen);
2015 stli_rxtmpport = portp;
2016 stli_rxtmplen = len;
2017 bcopy(__DEVOLATILE(char *, shbuf + tail), &stli_rxtmpbuf[0],
2021 bcopy(shbuf, &stli_rxtmpbuf[stlen], len);
2023 for (i = 0; (i < stli_rxtmplen); i++) {
2024 ch = (unsigned char) stli_rxtmpbuf[i];
2025 (*linesw[tp->t_line].l_rint)(ch, tp);
2028 rp = &((volatile cdkasy_t *)
2029 EBRDGETMEMPTR(brdp, portp->addr))->rxq;
2030 if (stli_rxtmplen == 0) {
2031 head = (unsigned int) rp->head;
2032 if (head != ((unsigned int) rp->head))
2033 head = (unsigned int) rp->head;
2041 stli_rxtmpport = (stliport_t *) NULL;
2045 portp->state |= ST_RXING;
2048 /*****************************************************************************/
2051 * Set up and carry out any delayed commands. There is only a small set
2052 * of slave commands that can be done "off-level". So it is not too
2053 * difficult to deal with them as a special case here.
2056 static __inline void stli_dodelaycmd(stliport_t *portp, volatile cdkctrl_t *cp)
2060 if (portp->state & ST_DOSIGS) {
2061 if ((portp->state & ST_DOFLUSHTX) &&
2062 (portp->state & ST_DOFLUSHRX))
2063 cmd = A_SETSIGNALSF;
2064 else if (portp->state & ST_DOFLUSHTX)
2065 cmd = A_SETSIGNALSFTX;
2066 else if (portp->state & ST_DOFLUSHRX)
2067 cmd = A_SETSIGNALSFRX;
2070 portp->state &= ~(ST_DOFLUSHTX | ST_DOFLUSHRX | ST_DOSIGS);
2071 bcopy(&portp->asig, &(cp->args[0]), sizeof(asysigs_t));
2074 portp->state |= ST_CMDING;
2075 } else if ((portp->state & ST_DOFLUSHTX) ||
2076 (portp->state & ST_DOFLUSHRX)) {
2077 cmd = ((portp->state & ST_DOFLUSHTX) ? FLUSHTX : 0);
2078 cmd |= ((portp->state & ST_DOFLUSHRX) ? FLUSHRX : 0);
2079 portp->state &= ~(ST_DOFLUSHTX | ST_DOFLUSHRX);
2080 bcopy(&cmd, &(cp->args[0]), sizeof(int));
2083 portp->state |= ST_CMDING;
2087 /*****************************************************************************/
2090 * Host command service checking. This handles commands or messages
2091 * coming from the slave to the host. Must have board shared memory
2092 * enabled and interrupts off when called. Notice that by servicing the
2093 * read data last we don't need to change the shared memory pointer
2094 * during processing (which is a slow IO operation).
2095 * Return value indicates if this port is still awaiting actions from
2096 * the slave (like open, command, or even TX data being sent). If 0
2097 * then port is still busy, otherwise the port request bit flag is
2101 static __inline int stli_hostcmd(stlibrd_t *brdp, stliport_t *portp)
2103 volatile cdkasy_t *ap;
2104 volatile cdkctrl_t *cp;
2106 unsigned long oldsigs;
2107 unsigned int head, tail;
2111 printf("stli_hostcmd(brdp=%x,portp=%x)\n", (int) brdp, (int) portp);
2114 ap = (volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr);
2118 * Check if we are waiting for an open completion message.
2120 if (portp->state & ST_OPENING) {
2121 rc = (int) cp->openarg;
2122 if ((cp->open == 0) && (rc != 0)) {
2127 portp->state &= ~ST_OPENING;
2128 wakeup(&portp->state);
2133 * Check if we are waiting for a close completion message.
2135 if (portp->state & ST_CLOSING) {
2136 rc = (int) cp->closearg;
2137 if ((cp->close == 0) && (rc != 0)) {
2142 portp->state &= ~ST_CLOSING;
2143 wakeup(&portp->state);
2148 * Check if we are waiting for a command completion message. We may
2149 * need to copy out the command results associated with this command.
2151 if (portp->state & ST_CMDING) {
2153 if ((cp->cmd == 0) && (rc != 0)) {
2156 if (portp->argp != (void *) NULL) {
2157 bcopy(&(cp->args[0]), portp->argp,
2159 portp->argp = (void *) NULL;
2163 portp->state &= ~ST_CMDING;
2164 stli_dodelaycmd(portp, cp);
2165 wakeup(&portp->state);
2170 * Check for any notification messages ready. This includes lots of
2171 * different types of events - RX chars ready, RX break received,
2172 * TX data low or empty in the slave, modem signals changed state.
2173 * Must be extremely carefull if we call to the LD, it may call
2174 * other routines of ours that will disable the memory...
2175 * Something else we need to be carefull of is race conditions on
2176 * marking the TX as empty...
2187 if (nt.signal & SG_DCD) {
2188 oldsigs = portp->sigs;
2189 portp->sigs = stli_mktiocm(nt.sigvalue);
2190 portp->state &= ~ST_GETSIGS;
2191 (*linesw[tp->t_line].l_modem)(tp,
2192 (portp->sigs & TIOCM_CD));
2195 if (nt.data & DT_RXBUSY) {
2197 stli_rxprocess(brdp, portp);
2199 if (nt.data & DT_RXBREAK) {
2200 (*linesw[tp->t_line].l_rint)(TTY_BI, tp);
2203 if (nt.data & DT_TXEMPTY) {
2204 ap = (volatile cdkasy_t *)
2205 EBRDGETMEMPTR(brdp, portp->addr);
2206 head = (unsigned int) ap->txq.head;
2207 tail = (unsigned int) ap->txq.tail;
2208 if (tail != ((unsigned int) ap->txq.tail))
2209 tail = (unsigned int) ap->txq.tail;
2210 head = (head >= tail) ? (head - tail) :
2211 portp->txsize - (tail - head);
2213 portp->state &= ~ST_TXBUSY;
2214 tp->t_state &= ~TS_BUSY;
2217 if (nt.data & (DT_TXEMPTY | DT_TXLOW)) {
2218 (*linesw[tp->t_line].l_start)(tp);
2224 * It might seem odd that we are checking for more RX chars here.
2225 * But, we need to handle the case where the tty buffer was previously
2226 * filled, but we had more characters to pass up. The slave will not
2227 * send any more RX notify messages until the RX buffer has been emptied.
2228 * But it will leave the service bits on (since the buffer is not empty).
2229 * So from here we can try to process more RX chars.
2231 if ((!donerx) && (portp->state & ST_RXING)) {
2232 portp->state &= ~ST_RXING;
2233 stli_rxprocess(brdp, portp);
2236 return((portp->state & (ST_OPENING | ST_CLOSING | ST_CMDING |
2237 ST_TXBUSY | ST_RXING)) ? 0 : 1);
2240 /*****************************************************************************/
2243 * Service all ports on a particular board. Assumes that the boards
2244 * shared memory is enabled, and that the page pointer is pointed
2245 * at the cdk header structure.
2248 static __inline void stli_brdpoll(stlibrd_t *brdp, volatile cdkhdr_t *hdrp)
2251 unsigned char hostbits[(STL_MAXCHANS / 8) + 1];
2252 unsigned char slavebits[(STL_MAXCHANS / 8) + 1];
2253 unsigned char *slavep;
2254 int bitpos, bitat, bitsize;
2255 int channr, nrdevs, slavebitchange;
2257 bitsize = brdp->bitsize;
2258 nrdevs = brdp->nrdevs;
2261 * Check if slave wants any service. Basically we try to do as
2262 * little work as possible here. There are 2 levels of service
2263 * bits. So if there is nothing to do we bail early. We check
2264 * 8 service bits at a time in the inner loop, so we can bypass
2265 * the lot if none of them want service.
2267 bcopy(__DEVOLATILE(unsigned char *, hdrp) + brdp->hostoffset,
2268 &hostbits[0], bitsize);
2270 bzero(&slavebits[0], bitsize);
2273 for (bitpos = 0; (bitpos < bitsize); bitpos++) {
2274 if (hostbits[bitpos] == 0)
2276 channr = bitpos * 8;
2278 for (; (channr < nrdevs); channr++, bitat <<=1) {
2279 if (hostbits[bitpos] & bitat) {
2280 portp = brdp->ports[(channr - 1)];
2281 if (stli_hostcmd(brdp, portp)) {
2283 slavebits[bitpos] |= bitat;
2290 * If any of the ports are no longer busy then update them in the
2291 * slave request bits. We need to do this after, since a host port
2292 * service may initiate more slave requests...
2294 if (slavebitchange) {
2295 hdrp = (volatile cdkhdr_t *)
2296 EBRDGETMEMPTR(brdp, CDK_CDKADDR);
2297 slavep = __DEVOLATILE(unsigned char *, hdrp) + brdp->slaveoffset;
2298 for (bitpos = 0; (bitpos < bitsize); bitpos++) {
2299 if (slavebits[bitpos])
2300 slavep[bitpos] &= ~slavebits[bitpos];
2305 /*****************************************************************************/
2308 * Driver poll routine. This routine polls the boards in use and passes
2309 * messages back up to host when neccesary. This is actually very
2310 * CPU efficient, since we will always have the kernel poll clock, it
2311 * adds only a few cycles when idle (since board service can be
2312 * determined very easily), but when loaded generates no interrupts
2313 * (with their expensive associated context change).
2316 static void stli_poll(void *arg)
2318 volatile cdkhdr_t *hdrp;
2325 * Check each board and do any servicing required.
2327 for (brdnr = 0; (brdnr < stli_nrbrds); brdnr++) {
2328 brdp = stli_brds[brdnr];
2329 if (brdp == (stlibrd_t *) NULL)
2331 if ((brdp->state & BST_STARTED) == 0)
2335 hdrp = (volatile cdkhdr_t *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
2337 stli_brdpoll(brdp, hdrp);
2342 callout_reset(&stli_poll_ch, 1, stli_poll, NULL);
2345 /*****************************************************************************/
2348 * Translate the termios settings into the port setting structure of
2352 static void stli_mkasyport(stliport_t *portp, asyport_t *pp, struct termios *tiosp)
2355 printf("stli_mkasyport(portp=%x,pp=%x,tiosp=%d)\n", (int) portp,
2356 (int) pp, (int) tiosp);
2359 bzero(pp, sizeof(asyport_t));
2362 * Start of by setting the baud, char size, parity and stop bit info.
2364 if (tiosp->c_ispeed == 0)
2365 tiosp->c_ispeed = tiosp->c_ospeed;
2366 if ((tiosp->c_ospeed < 0) || (tiosp->c_ospeed > STL_MAXBAUD))
2367 tiosp->c_ospeed = STL_MAXBAUD;
2368 pp->baudout = tiosp->c_ospeed;
2369 pp->baudin = pp->baudout;
2371 switch (tiosp->c_cflag & CSIZE) {
2386 if (tiosp->c_cflag & CSTOPB)
2387 pp->stopbs = PT_STOP2;
2389 pp->stopbs = PT_STOP1;
2391 if (tiosp->c_cflag & PARENB) {
2392 if (tiosp->c_cflag & PARODD)
2393 pp->parity = PT_ODDPARITY;
2395 pp->parity = PT_EVENPARITY;
2397 pp->parity = PT_NOPARITY;
2400 if (tiosp->c_iflag & ISTRIP)
2401 pp->iflag |= FI_ISTRIP;
2404 * Set up any flow control options enabled.
2406 if (tiosp->c_iflag & IXON) {
2408 if (tiosp->c_iflag & IXANY)
2409 pp->flow |= F_IXANY;
2411 if (tiosp->c_iflag & IXOFF)
2412 pp->flow |= F_IXOFF;
2413 if (tiosp->c_cflag & CCTS_OFLOW)
2414 pp->flow |= F_CTSFLOW;
2415 if (tiosp->c_cflag & CRTS_IFLOW)
2416 pp->flow |= F_RTSFLOW;
2418 pp->startin = tiosp->c_cc[VSTART];
2419 pp->stopin = tiosp->c_cc[VSTOP];
2420 pp->startout = tiosp->c_cc[VSTART];
2421 pp->stopout = tiosp->c_cc[VSTOP];
2424 * Set up the RX char marking mask with those RX error types we must
2425 * catch. We can get the slave to help us out a little here, it will
2426 * ignore parity errors and breaks for us, and mark parity errors in
2429 if (tiosp->c_iflag & IGNPAR)
2430 pp->iflag |= FI_IGNRXERRS;
2431 if (tiosp->c_iflag & IGNBRK)
2432 pp->iflag |= FI_IGNBREAK;
2433 if (tiosp->c_iflag & (INPCK | PARMRK))
2434 pp->iflag |= FI_1MARKRXERRS;
2437 * Transfer any persistent flags into the asyport structure.
2439 pp->pflag = (portp->pflag & 0xffff);
2440 pp->vmin = (portp->pflag & P_RXIMIN) ? 1 : 0;
2441 pp->vtime = (portp->pflag & P_RXITIME) ? 1 : 0;
2442 pp->cc[1] = (portp->pflag & P_RXTHOLD) ? 1 : 0;
2445 /*****************************************************************************/
2448 * Construct a slave signals structure for setting the DTR and RTS
2449 * signals as specified.
2452 static void stli_mkasysigs(asysigs_t *sp, int dtr, int rts)
2455 printf("stli_mkasysigs(sp=%x,dtr=%d,rts=%d)\n", (int) sp, dtr, rts);
2458 bzero(sp, sizeof(asysigs_t));
2460 sp->signal |= SG_DTR;
2461 sp->sigvalue |= ((dtr > 0) ? SG_DTR : 0);
2464 sp->signal |= SG_RTS;
2465 sp->sigvalue |= ((rts > 0) ? SG_RTS : 0);
2469 /*****************************************************************************/
2472 * Convert the signals returned from the slave into a local TIOCM type
2473 * signals value. We keep them localy in TIOCM format.
2476 static long stli_mktiocm(unsigned long sigvalue)
2481 printf("stli_mktiocm(sigvalue=%x)\n", (int) sigvalue);
2485 tiocm |= ((sigvalue & SG_DCD) ? TIOCM_CD : 0);
2486 tiocm |= ((sigvalue & SG_CTS) ? TIOCM_CTS : 0);
2487 tiocm |= ((sigvalue & SG_RI) ? TIOCM_RI : 0);
2488 tiocm |= ((sigvalue & SG_DSR) ? TIOCM_DSR : 0);
2489 tiocm |= ((sigvalue & SG_DTR) ? TIOCM_DTR : 0);
2490 tiocm |= ((sigvalue & SG_RTS) ? TIOCM_RTS : 0);
2494 /*****************************************************************************/
2497 * Enable l_rint processing bypass mode if tty modes allow it.
2500 static void stli_ttyoptim(stliport_t *portp, struct termios *tiosp)
2505 if (((tiosp->c_iflag & (ICRNL | IGNCR | IMAXBEL | INLCR)) == 0) &&
2506 (((tiosp->c_iflag & BRKINT) == 0) || (tiosp->c_iflag & IGNBRK)) &&
2507 (((tiosp->c_iflag & PARMRK) == 0) ||
2508 ((tiosp->c_iflag & (IGNPAR | IGNBRK)) == (IGNPAR | IGNBRK))) &&
2509 ((tiosp->c_lflag & (ECHO | ICANON | IEXTEN | ISIG | PENDIN)) ==0) &&
2510 (linesw[tp->t_line].l_rint == ttyinput))
2511 tp->t_state |= TS_CAN_BYPASS_L_RINT;
2513 tp->t_state &= ~TS_CAN_BYPASS_L_RINT;
2514 portp->hotchar = linesw[tp->t_line].l_hotchar;
2517 /*****************************************************************************/
2520 * All panels and ports actually attached have been worked out. All
2521 * we need to do here is set up the appropriate per port data structures.
2524 static int stli_initports(stlibrd_t *brdp)
2527 int i, panelnr, panelport;
2530 printf("stli_initports(brdp=%x)\n", (int) brdp);
2533 for (i = 0, panelnr = 0, panelport = 0; (i < brdp->nrports); i++) {
2534 portp = malloc(sizeof(stliport_t), M_TTYS, M_WAITOK | M_ZERO);
2535 callout_init(&portp->dtr_ch);
2537 portp->brdnr = brdp->brdnr;
2538 portp->panelnr = panelnr;
2539 portp->initintios.c_ispeed = STL_DEFSPEED;
2540 portp->initintios.c_ospeed = STL_DEFSPEED;
2541 portp->initintios.c_cflag = STL_DEFCFLAG;
2542 portp->initintios.c_iflag = 0;
2543 portp->initintios.c_oflag = 0;
2544 portp->initintios.c_lflag = 0;
2545 bcopy(&ttydefchars[0], &portp->initintios.c_cc[0],
2546 sizeof(portp->initintios.c_cc));
2547 portp->initouttios = portp->initintios;
2548 portp->dtrwait = 3 * hz;
2551 if (panelport >= brdp->panels[panelnr]) {
2555 brdp->ports[i] = portp;
2562 /*****************************************************************************/
2565 * All the following routines are board specific hardware operations.
2568 static void stli_ecpinit(stlibrd_t *brdp)
2570 unsigned long memconf;
2573 printf("stli_ecpinit(brdp=%d)\n", (int) brdp);
2576 outb((brdp->iobase + ECP_ATCONFR), ECP_ATSTOP);
2578 outb((brdp->iobase + ECP_ATCONFR), ECP_ATDISABLE);
2581 memconf = (brdp->paddr & ECP_ATADDRMASK) >> ECP_ATADDRSHFT;
2582 outb((brdp->iobase + ECP_ATMEMAR), memconf);
2585 /*****************************************************************************/
2587 static void stli_ecpenable(stlibrd_t *brdp)
2590 printf("stli_ecpenable(brdp=%x)\n", (int) brdp);
2592 outb((brdp->iobase + ECP_ATCONFR), ECP_ATENABLE);
2595 /*****************************************************************************/
2597 static void stli_ecpdisable(stlibrd_t *brdp)
2600 printf("stli_ecpdisable(brdp=%x)\n", (int) brdp);
2602 outb((brdp->iobase + ECP_ATCONFR), ECP_ATDISABLE);
2605 /*****************************************************************************/
2607 static char *stli_ecpgetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
2613 printf("stli_ecpgetmemptr(brdp=%x,offset=%x)\n", (int) brdp,
2617 if (offset > brdp->memsize) {
2618 printf("STALLION: shared memory pointer=%x out of range at "
2619 "line=%d(%d), brd=%d\n", (int) offset, line,
2620 __LINE__, brdp->brdnr);
2624 ptr = (char *) brdp->vaddr + (offset % ECP_ATPAGESIZE);
2625 val = (unsigned char) (offset / ECP_ATPAGESIZE);
2627 outb((brdp->iobase + ECP_ATMEMPR), val);
2631 /*****************************************************************************/
2633 static void stli_ecpreset(stlibrd_t *brdp)
2636 printf("stli_ecpreset(brdp=%x)\n", (int) brdp);
2639 outb((brdp->iobase + ECP_ATCONFR), ECP_ATSTOP);
2641 outb((brdp->iobase + ECP_ATCONFR), ECP_ATDISABLE);
2645 /*****************************************************************************/
2647 static void stli_ecpintr(stlibrd_t *brdp)
2650 printf("stli_ecpintr(brdp=%x)\n", (int) brdp);
2652 outb(brdp->iobase, 0x1);
2655 /*****************************************************************************/
2658 * The following set of functions act on ECP EISA boards.
2661 static void stli_ecpeiinit(stlibrd_t *brdp)
2663 unsigned long memconf;
2666 printf("stli_ecpeiinit(brdp=%x)\n", (int) brdp);
2669 outb((brdp->iobase + ECP_EIBRDENAB), 0x1);
2670 outb((brdp->iobase + ECP_EICONFR), ECP_EISTOP);
2672 outb((brdp->iobase + ECP_EICONFR), ECP_EIDISABLE);
2675 memconf = (brdp->paddr & ECP_EIADDRMASKL) >> ECP_EIADDRSHFTL;
2676 outb((brdp->iobase + ECP_EIMEMARL), memconf);
2677 memconf = (brdp->paddr & ECP_EIADDRMASKH) >> ECP_EIADDRSHFTH;
2678 outb((brdp->iobase + ECP_EIMEMARH), memconf);
2681 /*****************************************************************************/
2683 static void stli_ecpeienable(stlibrd_t *brdp)
2685 outb((brdp->iobase + ECP_EICONFR), ECP_EIENABLE);
2688 /*****************************************************************************/
2690 static void stli_ecpeidisable(stlibrd_t *brdp)
2692 outb((brdp->iobase + ECP_EICONFR), ECP_EIDISABLE);
2695 /*****************************************************************************/
2697 static char *stli_ecpeigetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
2703 printf("stli_ecpeigetmemptr(brdp=%x,offset=%x,line=%d)\n",
2704 (int) brdp, (int) offset, line);
2707 if (offset > brdp->memsize) {
2708 printf("STALLION: shared memory pointer=%x out of range at "
2709 "line=%d(%d), brd=%d\n", (int) offset, line,
2710 __LINE__, brdp->brdnr);
2714 ptr = (char *) brdp->vaddr + (offset % ECP_EIPAGESIZE);
2715 if (offset < ECP_EIPAGESIZE)
2718 val = ECP_EIENABLE | 0x40;
2720 outb((brdp->iobase + ECP_EICONFR), val);
2724 /*****************************************************************************/
2726 static void stli_ecpeireset(stlibrd_t *brdp)
2728 outb((brdp->iobase + ECP_EICONFR), ECP_EISTOP);
2730 outb((brdp->iobase + ECP_EICONFR), ECP_EIDISABLE);
2734 /*****************************************************************************/
2737 * The following set of functions act on ECP MCA boards.
2740 static void stli_ecpmcenable(stlibrd_t *brdp)
2742 outb((brdp->iobase + ECP_MCCONFR), ECP_MCENABLE);
2745 /*****************************************************************************/
2747 static void stli_ecpmcdisable(stlibrd_t *brdp)
2749 outb((brdp->iobase + ECP_MCCONFR), ECP_MCDISABLE);
2752 /*****************************************************************************/
2754 static char *stli_ecpmcgetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
2759 if (offset > brdp->memsize) {
2760 printf("STALLION: shared memory pointer=%x out of range at "
2761 "line=%d(%d), brd=%d\n", (int) offset, line,
2762 __LINE__, brdp->brdnr);
2766 ptr = (char *) brdp->vaddr + (offset % ECP_MCPAGESIZE);
2767 val = ((unsigned char) (offset / ECP_MCPAGESIZE)) | ECP_MCENABLE;
2769 outb((brdp->iobase + ECP_MCCONFR), val);
2773 /*****************************************************************************/
2775 static void stli_ecpmcreset(stlibrd_t *brdp)
2777 outb((brdp->iobase + ECP_MCCONFR), ECP_MCSTOP);
2779 outb((brdp->iobase + ECP_MCCONFR), ECP_MCDISABLE);
2783 /*****************************************************************************/
2786 * The following routines act on ONboards.
2789 static void stli_onbinit(stlibrd_t *brdp)
2791 unsigned long memconf;
2795 printf("stli_onbinit(brdp=%d)\n", (int) brdp);
2798 outb((brdp->iobase + ONB_ATCONFR), ONB_ATSTOP);
2800 outb((brdp->iobase + ONB_ATCONFR), ONB_ATDISABLE);
2801 for (i = 0; (i < 1000); i++)
2804 memconf = (brdp->paddr & ONB_ATADDRMASK) >> ONB_ATADDRSHFT;
2805 outb((brdp->iobase + ONB_ATMEMAR), memconf);
2806 outb(brdp->iobase, 0x1);
2810 /*****************************************************************************/
2812 static void stli_onbenable(stlibrd_t *brdp)
2815 printf("stli_onbenable(brdp=%x)\n", (int) brdp);
2817 outb((brdp->iobase + ONB_ATCONFR), (ONB_ATENABLE | brdp->confbits));
2820 /*****************************************************************************/
2822 static void stli_onbdisable(stlibrd_t *brdp)
2825 printf("stli_onbdisable(brdp=%x)\n", (int) brdp);
2827 outb((brdp->iobase + ONB_ATCONFR), (ONB_ATDISABLE | brdp->confbits));
2830 /*****************************************************************************/
2832 static char *stli_onbgetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
2837 printf("stli_onbgetmemptr(brdp=%x,offset=%x)\n", (int) brdp,
2841 if (offset > brdp->memsize) {
2842 printf("STALLION: shared memory pointer=%x out of range at "
2843 "line=%d(%d), brd=%d\n", (int) offset, line,
2844 __LINE__, brdp->brdnr);
2847 ptr = (char *) brdp->vaddr + (offset % ONB_ATPAGESIZE);
2852 /*****************************************************************************/
2854 static void stli_onbreset(stlibrd_t *brdp)
2859 printf("stli_onbreset(brdp=%x)\n", (int) brdp);
2862 outb((brdp->iobase + ONB_ATCONFR), ONB_ATSTOP);
2864 outb((brdp->iobase + ONB_ATCONFR), ONB_ATDISABLE);
2865 for (i = 0; (i < 1000); i++)
2869 /*****************************************************************************/
2872 * The following routines act on ONboard EISA.
2875 static void stli_onbeinit(stlibrd_t *brdp)
2877 unsigned long memconf;
2881 printf("stli_onbeinit(brdp=%d)\n", (int) brdp);
2884 outb((brdp->iobase + ONB_EIBRDENAB), 0x1);
2885 outb((brdp->iobase + ONB_EICONFR), ONB_EISTOP);
2887 outb((brdp->iobase + ONB_EICONFR), ONB_EIDISABLE);
2888 for (i = 0; (i < 1000); i++)
2891 memconf = (brdp->paddr & ONB_EIADDRMASKL) >> ONB_EIADDRSHFTL;
2892 outb((brdp->iobase + ONB_EIMEMARL), memconf);
2893 memconf = (brdp->paddr & ONB_EIADDRMASKH) >> ONB_EIADDRSHFTH;
2894 outb((brdp->iobase + ONB_EIMEMARH), memconf);
2895 outb(brdp->iobase, 0x1);
2899 /*****************************************************************************/
2901 static void stli_onbeenable(stlibrd_t *brdp)
2904 printf("stli_onbeenable(brdp=%x)\n", (int) brdp);
2906 outb((brdp->iobase + ONB_EICONFR), ONB_EIENABLE);
2909 /*****************************************************************************/
2911 static void stli_onbedisable(stlibrd_t *brdp)
2914 printf("stli_onbedisable(brdp=%x)\n", (int) brdp);
2916 outb((brdp->iobase + ONB_EICONFR), ONB_EIDISABLE);
2919 /*****************************************************************************/
2921 static char *stli_onbegetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
2927 printf("stli_onbegetmemptr(brdp=%x,offset=%x,line=%d)\n", (int) brdp,
2928 (int) offset, line);
2931 if (offset > brdp->memsize) {
2932 printf("STALLION: shared memory pointer=%x out of range at "
2933 "line=%d(%d), brd=%d\n", (int) offset, line,
2934 __LINE__, brdp->brdnr);
2938 ptr = (char *) brdp->vaddr + (offset % ONB_EIPAGESIZE);
2939 if (offset < ONB_EIPAGESIZE)
2942 val = ONB_EIENABLE | 0x40;
2944 outb((brdp->iobase + ONB_EICONFR), val);
2948 /*****************************************************************************/
2950 static void stli_onbereset(stlibrd_t *brdp)
2955 printf("stli_onbereset(brdp=%x)\n", (int) brdp);
2958 outb((brdp->iobase + ONB_EICONFR), ONB_EISTOP);
2960 outb((brdp->iobase + ONB_EICONFR), ONB_EIDISABLE);
2961 for (i = 0; (i < 1000); i++)
2965 /*****************************************************************************/
2968 * The following routines act on Brumby boards.
2971 static void stli_bbyinit(stlibrd_t *brdp)
2976 printf("stli_bbyinit(brdp=%d)\n", (int) brdp);
2979 outb((brdp->iobase + BBY_ATCONFR), BBY_ATSTOP);
2981 outb((brdp->iobase + BBY_ATCONFR), 0);
2982 for (i = 0; (i < 1000); i++)
2984 outb(brdp->iobase, 0x1);
2988 /*****************************************************************************/
2990 static char *stli_bbygetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
2996 printf("stli_bbygetmemptr(brdp=%x,offset=%x)\n", (int) brdp,
3000 if (offset > brdp->memsize) {
3001 printf("STALLION: shared memory pointer=%x out of range at "
3002 "line=%d(%d), brd=%d\n", (int) offset, line,
3003 __LINE__, brdp->brdnr);
3007 ptr = (char *) brdp->vaddr + (offset % BBY_PAGESIZE);
3008 val = (unsigned char) (offset / BBY_PAGESIZE);
3010 outb((brdp->iobase + BBY_ATCONFR), val);
3014 /*****************************************************************************/
3016 static void stli_bbyreset(stlibrd_t *brdp)
3021 printf("stli_bbyreset(brdp=%x)\n", (int) brdp);
3024 outb((brdp->iobase + BBY_ATCONFR), BBY_ATSTOP);
3026 outb((brdp->iobase + BBY_ATCONFR), 0);
3027 for (i = 0; (i < 1000); i++)
3031 /*****************************************************************************/
3034 * The following routines act on original old Stallion boards.
3037 static void stli_stalinit(stlibrd_t *brdp)
3042 printf("stli_stalinit(brdp=%d)\n", (int) brdp);
3045 outb(brdp->iobase, 0x1);
3046 for (i = 0; (i < 1000); i++)
3050 /*****************************************************************************/
3052 static char *stli_stalgetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
3057 printf("stli_stalgetmemptr(brdp=%x,offset=%x)\n", (int) brdp,
3061 if (offset > brdp->memsize) {
3062 printf("STALLION: shared memory pointer=%x out of range at "
3063 "line=%d(%d), brd=%d\n", (int) offset, line,
3064 __LINE__, brdp->brdnr);
3067 ptr = (char *) brdp->vaddr + (offset % STAL_PAGESIZE);
3072 /*****************************************************************************/
3074 static void stli_stalreset(stlibrd_t *brdp)
3076 volatile unsigned long *vecp;
3080 printf("stli_stalreset(brdp=%x)\n", (int) brdp);
3083 vecp = (volatile unsigned long *) ((char *) brdp->vaddr + 0x30);
3085 outb(brdp->iobase, 0);
3086 for (i = 0; (i < 1000); i++)
3090 /*****************************************************************************/
3093 * Try to find an ECP board and initialize it. This handles only ECP
3097 static int stli_initecp(stlibrd_t *brdp)
3101 unsigned int status, nxtid;
3105 printf("stli_initecp(brdp=%x)\n", (int) brdp);
3109 * Do a basic sanity check on the IO and memory addresses.
3111 if ((brdp->iobase == 0) || (brdp->paddr == 0))
3115 * Based on the specific board type setup the common vars to access
3116 * and enable shared memory. Set all board specific information now
3119 switch (brdp->brdtype) {
3121 brdp->memsize = ECP_MEMSIZE;
3122 brdp->pagesize = ECP_ATPAGESIZE;
3123 brdp->init = stli_ecpinit;
3124 brdp->enable = stli_ecpenable;
3125 brdp->reenable = stli_ecpenable;
3126 brdp->disable = stli_ecpdisable;
3127 brdp->getmemptr = stli_ecpgetmemptr;
3128 brdp->intr = stli_ecpintr;
3129 brdp->reset = stli_ecpreset;
3133 brdp->memsize = ECP_MEMSIZE;
3134 brdp->pagesize = ECP_EIPAGESIZE;
3135 brdp->init = stli_ecpeiinit;
3136 brdp->enable = stli_ecpeienable;
3137 brdp->reenable = stli_ecpeienable;
3138 brdp->disable = stli_ecpeidisable;
3139 brdp->getmemptr = stli_ecpeigetmemptr;
3140 brdp->intr = stli_ecpintr;
3141 brdp->reset = stli_ecpeireset;
3145 brdp->memsize = ECP_MEMSIZE;
3146 brdp->pagesize = ECP_MCPAGESIZE;
3148 brdp->enable = stli_ecpmcenable;
3149 brdp->reenable = stli_ecpmcenable;
3150 brdp->disable = stli_ecpmcdisable;
3151 brdp->getmemptr = stli_ecpmcgetmemptr;
3152 brdp->intr = stli_ecpintr;
3153 brdp->reset = stli_ecpmcreset;
3161 * The per-board operations structure is all setup, so now lets go
3162 * and get the board operational. Firstly initialize board configuration
3168 * Now that all specific code is set up, enable the shared memory and
3169 * look for the a signature area that will tell us exactly what board
3170 * this is, and what it is connected to it.
3173 sigsp = (cdkecpsig_t *) EBRDGETMEMPTR(brdp, CDK_SIGADDR);
3174 bcopy(sigsp, &sig, sizeof(cdkecpsig_t));
3178 printf("%s(%d): sig-> magic=%x rom=%x panel=%x,%x,%x,%x,%x,%x,%x,%x\n",
3179 __file__, __LINE__, (int) sig.magic, sig.romver,
3180 sig.panelid[0], (int) sig.panelid[1], (int) sig.panelid[2],
3181 (int) sig.panelid[3], (int) sig.panelid[4],
3182 (int) sig.panelid[5], (int) sig.panelid[6],
3183 (int) sig.panelid[7]);
3186 if (sig.magic != ECP_MAGIC)
3190 * Scan through the signature looking at the panels connected to the
3191 * board. Calculate the total number of ports as we go.
3193 for (panelnr = 0, nxtid = 0; (panelnr < STL_MAXPANELS); panelnr++) {
3194 status = sig.panelid[nxtid];
3195 if ((status & ECH_PNLIDMASK) != nxtid)
3197 brdp->panelids[panelnr] = status;
3198 if (status & ECH_PNL16PORT) {
3199 brdp->panels[panelnr] = 16;
3200 brdp->nrports += 16;
3203 brdp->panels[panelnr] = 8;
3210 brdp->state |= BST_FOUND;
3214 /*****************************************************************************/
3217 * Try to find an ONboard, Brumby or Stallion board and initialize it.
3218 * This handles only these board types.
3221 static int stli_initonb(stlibrd_t *brdp)
3228 printf("stli_initonb(brdp=%x)\n", (int) brdp);
3232 * Do a basic sanity check on the IO and memory addresses.
3234 if ((brdp->iobase == 0) || (brdp->paddr == 0))
3238 * Based on the specific board type setup the common vars to access
3239 * and enable shared memory. Set all board specific information now
3242 switch (brdp->brdtype) {
3246 case BRD_ONBOARD2_32:
3248 brdp->memsize = ONB_MEMSIZE;
3249 brdp->pagesize = ONB_ATPAGESIZE;
3250 brdp->init = stli_onbinit;
3251 brdp->enable = stli_onbenable;
3252 brdp->reenable = stli_onbenable;
3253 brdp->disable = stli_onbdisable;
3254 brdp->getmemptr = stli_onbgetmemptr;
3255 brdp->intr = stli_ecpintr;
3256 brdp->reset = stli_onbreset;
3257 brdp->confbits = (brdp->paddr > 0x100000) ? ONB_HIMEMENAB : 0;
3261 brdp->memsize = ONB_EIMEMSIZE;
3262 brdp->pagesize = ONB_EIPAGESIZE;
3263 brdp->init = stli_onbeinit;
3264 brdp->enable = stli_onbeenable;
3265 brdp->reenable = stli_onbeenable;
3266 brdp->disable = stli_onbedisable;
3267 brdp->getmemptr = stli_onbegetmemptr;
3268 brdp->intr = stli_ecpintr;
3269 brdp->reset = stli_onbereset;
3275 brdp->memsize = BBY_MEMSIZE;
3276 brdp->pagesize = BBY_PAGESIZE;
3277 brdp->init = stli_bbyinit;
3278 brdp->enable = NULL;
3279 brdp->reenable = NULL;
3280 brdp->disable = NULL;
3281 brdp->getmemptr = stli_bbygetmemptr;
3282 brdp->intr = stli_ecpintr;
3283 brdp->reset = stli_bbyreset;
3287 brdp->memsize = STAL_MEMSIZE;
3288 brdp->pagesize = STAL_PAGESIZE;
3289 brdp->init = stli_stalinit;
3290 brdp->enable = NULL;
3291 brdp->reenable = NULL;
3292 brdp->disable = NULL;
3293 brdp->getmemptr = stli_stalgetmemptr;
3294 brdp->intr = stli_ecpintr;
3295 brdp->reset = stli_stalreset;
3303 * The per-board operations structure is all setup, so now lets go
3304 * and get the board operational. Firstly initialize board configuration
3310 * Now that all specific code is set up, enable the shared memory and
3311 * look for the a signature area that will tell us exactly what board
3312 * this is, and how many ports.
3315 sigsp = (cdkonbsig_t *) EBRDGETMEMPTR(brdp, CDK_SIGADDR);
3316 bcopy(sigsp, &sig, sizeof(cdkonbsig_t));
3320 printf("%s(%d): sig-> magic=%x:%x:%x:%x romver=%x amask=%x:%x:%x\n",
3321 __file__, __LINE__, sig.magic0, sig.magic1, sig.magic2,
3322 sig.magic3, sig.romver, sig.amask0, sig.amask1, sig.amask2);
3325 if ((sig.magic0 != ONB_MAGIC0) || (sig.magic1 != ONB_MAGIC1) ||
3326 (sig.magic2 != ONB_MAGIC2) || (sig.magic3 != ONB_MAGIC3))
3330 * Scan through the signature alive mask and calculate how many ports
3331 * there are on this board.
3337 for (i = 0; (i < 16); i++) {
3338 if (((sig.amask0 << i) & 0x8000) == 0)
3343 brdp->panels[0] = brdp->nrports;
3345 brdp->state |= BST_FOUND;
3349 /*****************************************************************************/
3352 * Start up a running board. This routine is only called after the
3353 * code has been down loaded to the board and is operational. It will
3354 * read in the memory map, and get the show on the road...
3357 static int stli_startbrd(stlibrd_t *brdp)
3359 volatile cdkhdr_t *hdrp;
3360 volatile cdkmem_t *memp;
3361 volatile cdkasy_t *ap;
3363 int portnr, nrdevs, i, rc, x;
3366 printf("stli_startbrd(brdp=%x)\n", (int) brdp);
3373 hdrp = (volatile cdkhdr_t *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
3374 nrdevs = hdrp->nrdevs;
3377 printf("%s(%d): CDK version %d.%d.%d --> nrdevs=%d memp=%x hostp=%x "
3378 "slavep=%x\n", __file__, __LINE__, hdrp->ver_release,
3379 hdrp->ver_modification, hdrp->ver_fix, nrdevs,
3380 (int) hdrp->memp, (int) hdrp->hostp, (int) hdrp->slavep);
3383 if (nrdevs < (brdp->nrports + 1)) {
3384 printf("STALLION: slave failed to allocate memory for all "
3385 "devices, devices=%d\n", nrdevs);
3386 brdp->nrports = nrdevs - 1;
3388 brdp->nrdevs = nrdevs;
3389 brdp->hostoffset = hdrp->hostp - CDK_CDKADDR;
3390 brdp->slaveoffset = hdrp->slavep - CDK_CDKADDR;
3391 brdp->bitsize = (nrdevs + 7) / 8;
3392 memp = (volatile cdkmem_t *) (void *) (uintptr_t) hdrp->memp;
3393 if ((uintptr_t)(volatile void *)memp > brdp->memsize) {
3394 printf("STALLION: corrupted shared memory region?\n");
3396 goto stli_donestartup;
3398 memp = (volatile cdkmem_t *) EBRDGETMEMPTR(brdp,
3399 (uintptr_t)(volatile void *)memp);
3400 if (memp->dtype != TYP_ASYNCTRL) {
3401 printf("STALLION: no slave control device found\n");
3403 goto stli_donestartup;
3408 * Cycle through memory allocation of each port. We are guaranteed to
3409 * have all ports inside the first page of slave window, so no need to
3410 * change pages while reading memory map.
3412 for (i = 1, portnr = 0; (i < nrdevs); i++, portnr++, memp++) {
3413 if (memp->dtype != TYP_ASYNC)
3415 portp = brdp->ports[portnr];
3416 if (portp == (stliport_t *) NULL)
3419 portp->addr = memp->offset;
3420 portp->reqidx = (unsigned char) (i * 8 / nrdevs);
3421 portp->reqbit = (unsigned char) (0x1 << portp->reqidx);
3422 portp->portidx = (unsigned char) (i / 8);
3423 portp->portbit = (unsigned char) (0x1 << (i % 8));
3426 hdrp->slavereq = 0xff;
3429 * For each port setup a local copy of the RX and TX buffer offsets
3430 * and sizes. We do this separate from the above, because we need to
3431 * move the shared memory page...
3433 for (i = 1, portnr = 0; (i < nrdevs); i++, portnr++) {
3434 portp = brdp->ports[portnr];
3435 if (portp == (stliport_t *) NULL)
3437 if (portp->addr == 0)
3439 ap = (volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr);
3440 if (ap != (volatile cdkasy_t *) NULL) {
3441 portp->rxsize = ap->rxq.size;
3442 portp->txsize = ap->txq.size;
3443 portp->rxoffset = ap->rxq.offset;
3444 portp->txoffset = ap->txq.offset;
3453 brdp->state |= BST_STARTED;
3455 if (stli_doingtimeout == 0) {
3456 stli_doingtimeout++;
3457 callout_init(&stli_poll_ch);
3458 callout_reset(&stli_poll_ch, 1, stli_poll, NULL);
3464 /*****************************************************************************/
3467 * Probe and initialize the specified board.
3470 static int stli_brdinit(stlibrd_t *brdp)
3473 printf("stli_brdinit(brdp=%x)\n", (int) brdp);
3476 stli_brds[brdp->brdnr] = brdp;
3478 switch (brdp->brdtype) {
3488 case BRD_ONBOARD2_32:
3500 printf("STALLION: %s board type not supported in this driver\n",
3501 stli_brdnames[brdp->brdtype]);
3504 printf("STALLION: unit=%d is unknown board type=%d\n",
3505 brdp->brdnr, brdp->brdtype);
3512 /*****************************************************************************/
3515 * Finish off the remaining initialization for a board.
3518 static int stli_brdattach(stlibrd_t *brdp)
3521 printf("stli_brdattach(brdp=%x)\n", (int) brdp);
3525 if ((brdp->state & BST_FOUND) == 0) {
3526 printf("STALLION: %s board not found, unit=%d io=%x mem=%x\n",
3527 stli_brdnames[brdp->brdtype], brdp->brdnr,
3528 brdp->iobase, (int) brdp->paddr);
3533 stli_initports(brdp);
3534 printf("stli%d: %s (driver version %s), unit=%d nrpanels=%d "
3535 "nrports=%d\n", brdp->unitid, stli_brdnames[brdp->brdtype],
3536 stli_drvversion, brdp->brdnr, brdp->nrpanels, brdp->nrports);
3537 cdevsw_add(&stli_cdevsw, -1, brdp->unitid);
3541 /*****************************************************************************/
3543 /*****************************************************************************/
3546 * Return the board stats structure to user app.
3549 static int stli_getbrdstats(caddr_t data)
3555 printf("stli_getbrdstats(data=%p)\n", (void *) data);
3558 stli_brdstats = *((combrd_t *) data);
3559 if (stli_brdstats.brd >= STL_MAXBRDS)
3561 brdp = stli_brds[stli_brdstats.brd];
3562 if (brdp == (stlibrd_t *) NULL)
3565 bzero(&stli_brdstats, sizeof(combrd_t));
3566 stli_brdstats.brd = brdp->brdnr;
3567 stli_brdstats.type = brdp->brdtype;
3568 stli_brdstats.hwid = 0;
3569 stli_brdstats.state = brdp->state;
3570 stli_brdstats.ioaddr = brdp->iobase;
3571 stli_brdstats.memaddr = brdp->paddr;
3572 stli_brdstats.nrpanels = brdp->nrpanels;
3573 stli_brdstats.nrports = brdp->nrports;
3574 for (i = 0; (i < brdp->nrpanels); i++) {
3575 stli_brdstats.panels[i].panel = i;
3576 stli_brdstats.panels[i].hwid = brdp->panelids[i];
3577 stli_brdstats.panels[i].nrports = brdp->panels[i];
3580 *((combrd_t *) data) = stli_brdstats;
3584 /*****************************************************************************/
3587 * Resolve the referenced port number into a port struct pointer.
3590 static stliport_t *stli_getport(int brdnr, int panelnr, int portnr)
3595 if ((brdnr < 0) || (brdnr >= STL_MAXBRDS))
3596 return((stliport_t *) NULL);
3597 brdp = stli_brds[brdnr];
3598 if (brdp == (stlibrd_t *) NULL)
3599 return((stliport_t *) NULL);
3600 for (i = 0; (i < panelnr); i++)
3601 portnr += brdp->panels[i];
3602 if ((portnr < 0) || (portnr >= brdp->nrports))
3603 return((stliport_t *) NULL);
3604 return(brdp->ports[portnr]);
3607 /*****************************************************************************/
3610 * Return the port stats structure to user app. A NULL port struct
3611 * pointer passed in means that we need to find out from the app
3612 * what port to get stats for (used through board control device).
3615 static int stli_getportstats(stliport_t *portp, caddr_t data)
3620 if (portp == (stliport_t *) NULL) {
3621 stli_comstats = *((comstats_t *) data);
3622 portp = stli_getport(stli_comstats.brd, stli_comstats.panel,
3623 stli_comstats.port);
3624 if (portp == (stliport_t *) NULL)
3628 brdp = stli_brds[portp->brdnr];
3629 if (brdp == (stlibrd_t *) NULL)
3632 if (brdp->state & BST_STARTED) {
3633 if ((rc = stli_cmdwait(brdp, portp, A_GETSTATS, &stli_cdkstats,
3634 sizeof(asystats_t), 1)) < 0)
3637 bzero(&stli_cdkstats, sizeof(asystats_t));
3640 stli_comstats.brd = portp->brdnr;
3641 stli_comstats.panel = portp->panelnr;
3642 stli_comstats.port = portp->portnr;
3643 stli_comstats.state = portp->state;
3644 /*stli_comstats.flags = portp->flags;*/
3645 stli_comstats.ttystate = portp->tty.t_state;
3646 stli_comstats.cflags = portp->tty.t_cflag;
3647 stli_comstats.iflags = portp->tty.t_iflag;
3648 stli_comstats.oflags = portp->tty.t_oflag;
3649 stli_comstats.lflags = portp->tty.t_lflag;
3651 stli_comstats.txtotal = stli_cdkstats.txchars;
3652 stli_comstats.rxtotal = stli_cdkstats.rxchars + stli_cdkstats.ringover;
3653 stli_comstats.txbuffered = stli_cdkstats.txringq;
3654 stli_comstats.rxbuffered = stli_cdkstats.rxringq;
3655 stli_comstats.rxoverrun = stli_cdkstats.overruns;
3656 stli_comstats.rxparity = stli_cdkstats.parity;
3657 stli_comstats.rxframing = stli_cdkstats.framing;
3658 stli_comstats.rxlost = stli_cdkstats.ringover + portp->rxlost;
3659 stli_comstats.rxbreaks = stli_cdkstats.rxbreaks;
3660 stli_comstats.txbreaks = stli_cdkstats.txbreaks;
3661 stli_comstats.txxon = stli_cdkstats.txstart;
3662 stli_comstats.txxoff = stli_cdkstats.txstop;
3663 stli_comstats.rxxon = stli_cdkstats.rxstart;
3664 stli_comstats.rxxoff = stli_cdkstats.rxstop;
3665 stli_comstats.rxrtsoff = stli_cdkstats.rtscnt / 2;
3666 stli_comstats.rxrtson = stli_cdkstats.rtscnt - stli_comstats.rxrtsoff;
3667 stli_comstats.modem = stli_cdkstats.dcdcnt;
3668 stli_comstats.hwid = stli_cdkstats.hwid;
3669 stli_comstats.signals = stli_mktiocm(stli_cdkstats.signals);
3671 *((comstats_t *) data) = stli_comstats;;
3675 /*****************************************************************************/
3678 * Clear the port stats structure. We also return it zeroed out...
3681 static int stli_clrportstats(stliport_t *portp, caddr_t data)
3686 if (portp == (stliport_t *) NULL) {
3687 stli_comstats = *((comstats_t *) data);
3688 portp = stli_getport(stli_comstats.brd, stli_comstats.panel,
3689 stli_comstats.port);
3690 if (portp == (stliport_t *) NULL)
3694 brdp = stli_brds[portp->brdnr];
3695 if (brdp == (stlibrd_t *) NULL)
3698 if ((rc = stli_cmdwait(brdp, portp, A_CLEARSTATS, 0, 0, 0)) < 0)
3702 bzero(&stli_comstats, sizeof(comstats_t));
3703 stli_comstats.brd = portp->brdnr;
3704 stli_comstats.panel = portp->panelnr;
3705 stli_comstats.port = portp->portnr;
3707 *((comstats_t *) data) = stli_comstats;;
3711 /*****************************************************************************/
3714 * Code to handle an "staliomem" read and write operations. This device
3715 * is the contents of the board shared memory. It is used for down
3716 * loading the slave image (and debugging :-)
3719 STATIC int stli_memrw(dev_t dev, struct uio *uiop, int flag)
3723 int brdnr, size, n, error, x;
3726 printf("stli_memrw(dev=%x,uiop=%x,flag=%x)\n", (int) dev,
3730 brdnr = minor(dev) & 0x7;
3731 brdp = stli_brds[brdnr];
3732 if (brdp == (stlibrd_t *) NULL)
3734 if (brdp->state == 0)
3737 if (uiop->uio_offset >= brdp->memsize)
3741 size = brdp->memsize - uiop->uio_offset;
3746 memptr = (void *) EBRDGETMEMPTR(brdp, uiop->uio_offset);
3747 n = MIN(size, (brdp->pagesize -
3748 (((unsigned long) uiop->uio_offset) % brdp->pagesize)));
3749 error = uiomove(memptr, n, uiop);
3750 if ((uiop->uio_resid == 0) || error)
3759 /*****************************************************************************/
3762 * The "staliomem" device is also required to do some special operations
3763 * on the board. We need to be able to send an interrupt to the board,
3764 * reset it, and start/stop it.
3767 static int stli_memioctl(dev_t dev, unsigned long cmd, caddr_t data, int flag,
3774 printf("stli_memioctl(dev=%s,cmd=%lx,data=%p,flag=%x)\n",
3775 devtoname(dev), cmd, (void *) data, flag);
3779 * Handle board independant ioctls first.
3782 case COM_GETPORTSTATS:
3783 return(stli_getportstats((stliport_t *) NULL, data));
3785 case COM_CLRPORTSTATS:
3786 return(stli_clrportstats((stliport_t *) NULL, data));
3788 case COM_GETBRDSTATS:
3789 return(stli_getbrdstats(data));
3796 * Handle board dependant ioctls now.
3798 brdnr = minor(dev) & 0x7;
3799 brdp = stli_brds[brdnr];
3800 if (brdp == (stlibrd_t *) NULL)
3802 if (brdp->state == 0)
3812 rc = stli_startbrd(brdp);
3815 brdp->state &= ~BST_STARTED;
3818 brdp->state &= ~BST_STARTED;
3820 if (stli_shared == 0) {
3821 if (brdp->reenable != NULL)
3822 (* brdp->reenable)(brdp);
3825 case COM_GETPORTSTATS:
3826 rc = stli_getportstats((stliport_t *) NULL, data);
3828 case COM_CLRPORTSTATS:
3829 rc = stli_clrportstats((stliport_t *) NULL, data);
3831 case COM_GETBRDSTATS:
3832 rc = stli_getbrdstats(data);
3842 /*****************************************************************************/