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 1.15 2005/06/08 08:25:50 okumoto 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 <sys/thread2.h>
56 #include <machine/clock.h>
59 #include <bus/isa/i386/isa_device.h>
60 #include <machine/cdk.h>
61 #include <machine/comstats.h>
65 /*****************************************************************************/
68 * Define the version level of the kernel - so we can compile in the
69 * appropriate bits of code. By default this will compile for a 2.1
80 /*****************************************************************************/
83 * Define different board types. Not all of the following board types
84 * are supported by this driver. But I will use the standard "assigned"
85 * board numbers. Currently supported boards are abbreviated as:
86 * ECP = EasyConnection 8/64, ONB = ONboard, BBY = Brumby and
90 #define BRD_STALLION 1
92 #define BRD_ONBOARD2 3
95 #define BRD_BRUMBY16 6
96 #define BRD_ONBOARDE 7
97 #define BRD_ONBOARD32 9
98 #define BRD_ONBOARD2_32 10
99 #define BRD_ONBOARDRS 11
100 #define BRD_EASYIO 20
106 #define BRD_ECHPCI 26
107 #define BRD_ECH64PCI 27
108 #define BRD_EASYIOPCI 28
110 #define BRD_BRUMBY BRD_BRUMBY4
112 /*****************************************************************************/
115 * Define important driver limitations.
117 #define STL_MAXBRDS 8
118 #define STL_MAXPANELS 4
119 #define STL_PORTSPERPANEL 16
120 #define STL_PORTSPERBRD 64
122 #define STL_MAXCHANS STL_PORTSPERBRD
126 * Define the important minor number break down bits. These have been
127 * chosen to be "compatible" with the standard sio driver minor numbers.
128 * Extra high bits are used to distinguish between boards and also for
129 * really high port numbers (> 32).
131 #define STL_CALLOUTDEV 0x80
132 #define STL_CTRLLOCK 0x40
133 #define STL_CTRLINIT 0x20
134 #define STL_CTRLDEV (STL_CTRLLOCK | STL_CTRLINIT)
136 #define STL_MEMDEV 0x07000000
138 #define STL_DEFSPEED TTYDEF_SPEED
139 #define STL_DEFCFLAG (CS8 | CREAD | HUPCL)
141 /*****************************************************************************/
144 * Define our local driver identity first. Set up stuff to deal with
145 * all the local structures required by a serial tty driver.
147 static char stli_drvname[] = "stli";
148 static char const stli_drvtitle[] = "Stallion Multiport Serial Driver";
149 static char const stli_drvversion[] = "2.0.0";
151 static int stli_nrbrds = 0;
152 static int stli_doingtimeout = 0;
153 static struct callout stli_poll_ch;
156 * Define some macros to use to class define boards.
163 static unsigned char stli_stliprobed[STL_MAXBRDS];
165 /*****************************************************************************/
168 * Define a set of structures to hold all the board/panel/port info
169 * for our ports. These will be dynamically allocated as required at
170 * driver initialization time.
174 * Port and board structures to hold status info about each object.
175 * The board structure contains pointers to structures for each port
176 * connected to it. Panels are not distinguished here, since
177 * communication with the slave board will always be on a per port
197 struct termios initintios;
198 struct termios initouttios;
199 struct termios lockintios;
200 struct termios lockouttios;
201 struct timeval timestamp;
204 unsigned long rxlost;
205 unsigned long rxoffset;
206 unsigned long txoffset;
210 unsigned char reqidx;
211 unsigned char reqbit;
212 unsigned char portidx;
213 unsigned char portbit;
214 struct callout dtr_ch;
218 * Use a structure of function pointers to do board level operations.
219 * These include, enable/disable, paging shared memory, interrupting, etc.
221 typedef struct stlibrd {
238 void (*init)(struct stlibrd *brdp);
239 void (*enable)(struct stlibrd *brdp);
240 void (*reenable)(struct stlibrd *brdp);
241 void (*disable)(struct stlibrd *brdp);
242 void (*intr)(struct stlibrd *brdp);
243 void (*reset)(struct stlibrd *brdp);
244 char *(*getmemptr)(struct stlibrd *brdp,
245 unsigned long offset, int line);
246 int panels[STL_MAXPANELS];
247 int panelids[STL_MAXPANELS];
248 stliport_t *ports[STL_PORTSPERBRD];
251 static stlibrd_t *stli_brds[STL_MAXBRDS];
253 static int stli_shared = 0;
256 * Keep a local char buffer for processing chars into the LD. We
257 * do this to avoid copying from the boards shared memory one char
260 static int stli_rxtmplen;
261 static stliport_t *stli_rxtmpport;
262 static char stli_rxtmpbuf[TTYHOG];
265 * Define global stats structures. Not used often, and can be re-used
266 * for each stats call.
268 static comstats_t stli_comstats;
269 static combrd_t stli_brdstats;
270 static asystats_t stli_cdkstats;
273 * Per board state flags. Used with the state field of the board struct.
274 * Not really much here... All we need to do is keep track of whether
275 * the board has been detected, and whether it is actully running a slave
278 #define BST_FOUND 0x1
279 #define BST_STARTED 0x2
282 * Define the set of port state flags. These are marked for internal
283 * state purposes only, usually to do with the state of communications
284 * with the slave. They need to be updated atomically.
286 #define ST_INITIALIZING 0x1
287 #define ST_INITIALIZED 0x2
288 #define ST_OPENING 0x4
289 #define ST_CLOSING 0x8
290 #define ST_CMDING 0x10
291 #define ST_RXING 0x20
292 #define ST_TXBUSY 0x40
293 #define ST_DOFLUSHRX 0x80
294 #define ST_DOFLUSHTX 0x100
295 #define ST_DOSIGS 0x200
296 #define ST_GETSIGS 0x400
297 #define ST_DTRWAIT 0x800
300 * Define an array of board names as printable strings. Handy for
301 * referencing boards when printing trace and stuff.
303 static char *stli_brdnames[] = {
333 /*****************************************************************************/
336 * Hardware configuration info for ECP boards. These defines apply
337 * to the directly accessable io ports of the ECP. There is a set of
338 * defines for each ECP board type, ISA, EISA and MCA.
341 #define ECP_MEMSIZE (128 * 1024)
342 #define ECP_ATPAGESIZE (4 * 1024)
343 #define ECP_EIPAGESIZE (64 * 1024)
344 #define ECP_MCPAGESIZE (4 * 1024)
346 #define STL_EISAID 0x8c4e
349 * Important defines for the ISA class of ECP board.
352 #define ECP_ATCONFR 1
353 #define ECP_ATMEMAR 2
354 #define ECP_ATMEMPR 3
355 #define ECP_ATSTOP 0x1
356 #define ECP_ATINTENAB 0x10
357 #define ECP_ATENABLE 0x20
358 #define ECP_ATDISABLE 0x00
359 #define ECP_ATADDRMASK 0x3f000
360 #define ECP_ATADDRSHFT 12
363 * Important defines for the EISA class of ECP board.
366 #define ECP_EIMEMARL 1
367 #define ECP_EICONFR 2
368 #define ECP_EIMEMARH 3
369 #define ECP_EIENABLE 0x1
370 #define ECP_EIDISABLE 0x0
371 #define ECP_EISTOP 0x4
372 #define ECP_EIEDGE 0x00
373 #define ECP_EILEVEL 0x80
374 #define ECP_EIADDRMASKL 0x00ff0000
375 #define ECP_EIADDRSHFTL 16
376 #define ECP_EIADDRMASKH 0xff000000
377 #define ECP_EIADDRSHFTH 24
378 #define ECP_EIBRDENAB 0xc84
380 #define ECP_EISAID 0x4
383 * Important defines for the Micro-channel class of ECP board.
384 * (It has a lot in common with the ISA boards.)
387 #define ECP_MCCONFR 1
388 #define ECP_MCSTOP 0x20
389 #define ECP_MCENABLE 0x80
390 #define ECP_MCDISABLE 0x00
393 * Hardware configuration info for ONboard and Brumby boards. These
394 * defines apply to the directly accessable io ports of these boards.
396 #define ONB_IOSIZE 16
397 #define ONB_MEMSIZE (64 * 1024)
398 #define ONB_ATPAGESIZE (64 * 1024)
399 #define ONB_MCPAGESIZE (64 * 1024)
400 #define ONB_EIMEMSIZE (128 * 1024)
401 #define ONB_EIPAGESIZE (64 * 1024)
404 * Important defines for the ISA class of ONboard board.
407 #define ONB_ATMEMAR 1
408 #define ONB_ATCONFR 2
409 #define ONB_ATSTOP 0x4
410 #define ONB_ATENABLE 0x01
411 #define ONB_ATDISABLE 0x00
412 #define ONB_ATADDRMASK 0xff0000
413 #define ONB_ATADDRSHFT 16
415 #define ONB_HIMEMENAB 0x02
418 * Important defines for the EISA class of ONboard board.
421 #define ONB_EIMEMARL 1
422 #define ONB_EICONFR 2
423 #define ONB_EIMEMARH 3
424 #define ONB_EIENABLE 0x1
425 #define ONB_EIDISABLE 0x0
426 #define ONB_EISTOP 0x4
427 #define ONB_EIEDGE 0x00
428 #define ONB_EILEVEL 0x80
429 #define ONB_EIADDRMASKL 0x00ff0000
430 #define ONB_EIADDRSHFTL 16
431 #define ONB_EIADDRMASKH 0xff000000
432 #define ONB_EIADDRSHFTH 24
433 #define ONB_EIBRDENAB 0xc84
435 #define ONB_EISAID 0x1
438 * Important defines for the Brumby boards. They are pretty simple,
439 * there is not much that is programmably configurable.
441 #define BBY_IOSIZE 16
442 #define BBY_MEMSIZE (64 * 1024)
443 #define BBY_PAGESIZE (16 * 1024)
446 #define BBY_ATCONFR 1
447 #define BBY_ATSTOP 0x4
450 * Important defines for the Stallion boards. They are pretty simple,
451 * there is not much that is programmably configurable.
453 #define STAL_IOSIZE 16
454 #define STAL_MEMSIZE (64 * 1024)
455 #define STAL_PAGESIZE (64 * 1024)
458 * Define the set of status register values for EasyConnection panels.
459 * The signature will return with the status value for each panel. From
460 * this we can determine what is attached to the board - before we have
461 * actually down loaded any code to it.
463 #define ECH_PNLSTATUS 2
464 #define ECH_PNL16PORT 0x20
465 #define ECH_PNLIDMASK 0x07
466 #define ECH_PNLXPID 0x40
467 #define ECH_PNLINTRPEND 0x80
470 * Define some macros to do things to the board. Even those these boards
471 * are somewhat related there is often significantly different ways of
472 * doing some operation on it (like enable, paging, reset, etc). So each
473 * board class has a set of functions which do the commonly required
474 * operations. The macros below basically just call these functions,
475 * generally checking for a NULL function - which means that the board
476 * needs nothing done to it to achieve this operation!
478 #define EBRDINIT(brdp) \
479 if (brdp->init != NULL) \
482 #define EBRDENABLE(brdp) \
483 if (brdp->enable != NULL) \
484 (* brdp->enable)(brdp);
486 #define EBRDDISABLE(brdp) \
487 if (brdp->disable != NULL) \
488 (* brdp->disable)(brdp);
490 #define EBRDINTR(brdp) \
491 if (brdp->intr != NULL) \
492 (* brdp->intr)(brdp);
494 #define EBRDRESET(brdp) \
495 if (brdp->reset != NULL) \
496 (* brdp->reset)(brdp);
498 #define EBRDGETMEMPTR(brdp,offset) \
499 (* brdp->getmemptr)(brdp, offset, __LINE__)
502 * Define the maximal baud rate.
504 #define STL_MAXBAUD 230400
506 /*****************************************************************************/
509 * Define macros to extract a brd and port number from a minor number.
510 * This uses the extended minor number range in the upper 2 bytes of
511 * the device number. This gives us plenty of minor numbers to play
514 #define MKDEV2BRD(m) ((minor(m) & 0x00700000) >> 20)
515 #define MKDEV2PORT(m) ((minor(m) & 0x1f) | ((minor(m) & 0x00010000) >> 11))
518 * Define some handy local macros...
521 #define MIN(a,b) (((a) <= (b)) ? (a) : (b))
524 /*****************************************************************************/
527 * Declare all those functions in this driver! First up is the set of
528 * externally visible functions.
530 static int stliprobe(struct isa_device *idp);
531 static int stliattach(struct isa_device *idp);
533 STATIC d_open_t stliopen;
534 STATIC d_close_t stliclose;
535 STATIC d_read_t stliread;
536 STATIC d_write_t stliwrite;
537 STATIC d_ioctl_t stliioctl;
540 * Internal function prototypes.
542 static stliport_t *stli_dev2port(dev_t dev);
543 static int stli_isaprobe(struct isa_device *idp);
544 static int stli_eisaprobe(struct isa_device *idp);
545 static int stli_mcaprobe(struct isa_device *idp);
546 static int stli_brdinit(stlibrd_t *brdp);
547 static int stli_brdattach(stlibrd_t *brdp);
548 static int stli_initecp(stlibrd_t *brdp);
549 static int stli_initonb(stlibrd_t *brdp);
550 static int stli_initports(stlibrd_t *brdp);
551 static int stli_startbrd(stlibrd_t *brdp);
552 static void stli_poll(void *arg);
553 static __inline void stli_brdpoll(stlibrd_t *brdp, volatile cdkhdr_t *hdrp);
554 static __inline int stli_hostcmd(stlibrd_t *brdp, stliport_t *portp);
555 static __inline void stli_dodelaycmd(stliport_t *portp,
556 volatile cdkctrl_t *cp);
557 static void stli_mkasysigs(asysigs_t *sp, int dtr, int rts);
558 static long stli_mktiocm(unsigned long sigvalue);
559 static void stli_rxprocess(stlibrd_t *brdp, stliport_t *portp);
560 static void stli_flush(stliport_t *portp, int flag);
561 static void stli_start(struct tty *tp);
562 static void stli_stop(struct tty *tp, int rw);
563 static int stli_param(struct tty *tp, struct termios *tiosp);
564 static void stli_ttyoptim(stliport_t *portp, struct termios *tiosp);
565 static void stli_dtrwakeup(void *arg);
566 static int stli_initopen(stliport_t *portp);
567 static int stli_shutdownclose(stliport_t *portp);
568 static int stli_rawopen(stlibrd_t *brdp, stliport_t *portp,
569 unsigned long arg, int wait);
570 static int stli_rawclose(stlibrd_t *brdp, stliport_t *portp,
571 unsigned long arg, int wait);
572 static int stli_cmdwait(stlibrd_t *brdp, stliport_t *portp,
573 unsigned long cmd, void *arg, int size, int copyback);
574 static void stli_sendcmd(stlibrd_t *brdp, stliport_t *portp,
575 unsigned long cmd, void *arg, int size, int copyback);
576 static void stli_mkasyport(stliport_t *portp, asyport_t *pp,
577 struct termios *tiosp);
578 static int stli_memrw(dev_t dev, struct uio *uiop, int flag);
579 static int stli_memioctl(dev_t dev, unsigned long cmd, caddr_t data,
580 int flag, struct thread *td);
581 static int stli_getbrdstats(caddr_t data);
582 static int stli_getportstats(stliport_t *portp, caddr_t data);
583 static int stli_clrportstats(stliport_t *portp, caddr_t data);
584 static stliport_t *stli_getport(int brdnr, int panelnr, int portnr);
586 static void stli_ecpinit(stlibrd_t *brdp);
587 static void stli_ecpenable(stlibrd_t *brdp);
588 static void stli_ecpdisable(stlibrd_t *brdp);
589 static void stli_ecpreset(stlibrd_t *brdp);
590 static char *stli_ecpgetmemptr(stlibrd_t *brdp, unsigned long offset,
592 static void stli_ecpintr(stlibrd_t *brdp);
593 static void stli_ecpeiinit(stlibrd_t *brdp);
594 static void stli_ecpeienable(stlibrd_t *brdp);
595 static void stli_ecpeidisable(stlibrd_t *brdp);
596 static void stli_ecpeireset(stlibrd_t *brdp);
597 static char *stli_ecpeigetmemptr(stlibrd_t *brdp, unsigned long offset,
599 static void stli_ecpmcenable(stlibrd_t *brdp);
600 static void stli_ecpmcdisable(stlibrd_t *brdp);
601 static void stli_ecpmcreset(stlibrd_t *brdp);
602 static char *stli_ecpmcgetmemptr(stlibrd_t *brdp, unsigned long offset,
605 static void stli_onbinit(stlibrd_t *brdp);
606 static void stli_onbenable(stlibrd_t *brdp);
607 static void stli_onbdisable(stlibrd_t *brdp);
608 static void stli_onbreset(stlibrd_t *brdp);
609 static char *stli_onbgetmemptr(stlibrd_t *brdp, unsigned long offset,
611 static void stli_onbeinit(stlibrd_t *brdp);
612 static void stli_onbeenable(stlibrd_t *brdp);
613 static void stli_onbedisable(stlibrd_t *brdp);
614 static void stli_onbereset(stlibrd_t *brdp);
615 static char *stli_onbegetmemptr(stlibrd_t *brdp, unsigned long offset,
617 static void stli_bbyinit(stlibrd_t *brdp);
618 static void stli_bbyreset(stlibrd_t *brdp);
619 static char *stli_bbygetmemptr(stlibrd_t *brdp, unsigned long offset,
621 static void stli_stalinit(stlibrd_t *brdp);
622 static void stli_stalreset(stlibrd_t *brdp);
623 static char *stli_stalgetmemptr(stlibrd_t *brdp, unsigned long offset,
626 /*****************************************************************************/
629 * Declare the driver isa structure.
631 struct isa_driver stlidriver = {
632 stliprobe, stliattach, stli_drvname
635 /*****************************************************************************/
640 * FreeBSD-2.2+ kernel linkage.
643 #define CDEV_MAJOR 75
644 static struct cdevsw stli_cdevsw = {
645 /* name */ stli_drvname,
646 /* maj */ CDEV_MAJOR,
647 /* flags */ D_TTY | D_KQFILTER,
652 /* close */ stliclose,
654 /* write */ stliwrite,
655 /* ioctl */ stliioctl,
658 /* strategy */ nostrategy,
661 /* kqfilter */ ttykqfilter
666 /*****************************************************************************/
668 static stlibrd_t *stli_brdalloc(void)
672 brdp = malloc(sizeof(stlibrd_t), M_TTYS, M_WAITOK | M_ZERO);
676 /*****************************************************************************/
679 * Find an available internal board number (unit number). The problem
680 * is that the same unit numbers can be assigned to different class
681 * boards - but we only want to maintain one setup board structures.
684 static int stli_findfreeunit(void)
688 for (i = 0; (i < STL_MAXBRDS); i++)
689 if (stli_brds[i] == (stlibrd_t *) NULL)
691 return((i >= STL_MAXBRDS) ? -1 : i);
694 /*****************************************************************************/
697 * Try and determine the ISA board type. Hopefully the board
698 * configuration entry will help us out, using the flags field.
699 * If not, we may ne be able to determine the board type...
702 static int stli_isaprobe(struct isa_device *idp)
707 printf("stli_isaprobe(idp=%x): unit=%d iobase=%x flags=%x\n",
708 (int) idp, idp->id_unit, idp->id_iobase, idp->id_flags);
711 switch (idp->id_flags) {
719 btype = idp->id_flags;
728 /*****************************************************************************/
731 * Probe for an EISA board type. We should be able to read the EISA ID,
732 * that will tell us if a board is present or not...
735 static int stli_eisaprobe(struct isa_device *idp)
740 printf("stli_eisaprobe(idp=%x): unit=%d iobase=%x flags=%x\n",
741 (int) idp, idp->id_unit, idp->id_iobase, idp->id_flags);
745 * Firstly check if this is an EISA system. Do this by probing for
746 * the system board EISA ID. If this is not an EISA system then
747 * don't bother going any further!
750 if (inb(0xc80) == 0xff)
754 * Try and read the EISA ID from the board at specified address.
755 * If one is present it will tell us the board type as well.
757 outb((idp->id_iobase + 0xc80), 0xff);
758 eid = inb(idp->id_iobase + 0xc80);
759 eid |= inb(idp->id_iobase + 0xc81) << 8;
760 if (eid != STL_EISAID)
764 eid = inb(idp->id_iobase + 0xc82);
765 if (eid == ECP_EISAID)
767 else if (eid == ONB_EISAID)
768 btype = BRD_ONBOARDE;
770 outb((idp->id_iobase + 0xc84), 0x1);
774 /*****************************************************************************/
777 * Probe for an MCA board type. Not really sure how to do this yet,
778 * so for now just use the supplied flag specifier as board type...
781 static int stli_mcaprobe(struct isa_device *idp)
786 printf("stli_mcaprobe(idp=%x): unit=%d iobase=%x flags=%x\n",
787 (int) idp, idp->id_unit, idp->id_iobase, idp->id_flags);
790 switch (idp->id_flags) {
792 case BRD_ONBOARD2_32:
796 btype = idp->id_flags;
805 /*****************************************************************************/
808 * Probe for a board. This is involved, since we need to enable the
809 * shared memory region to see if the board is really there or not...
812 static int stliprobe(struct isa_device *idp)
818 printf("stliprobe(idp=%x): unit=%d iobase=%x flags=%x\n", (int) idp,
819 idp->id_unit, idp->id_iobase, idp->id_flags);
822 if (idp->id_unit > STL_MAXBRDS)
826 * First up determine what bus type of board we might be dealing
827 * with. It is easy to separate out the ISA from the EISA and MCA
828 * boards, based on their IO addresses. We may not be able to tell
829 * the EISA and MCA apart on IO address alone...
832 if ((idp->id_iobase > 0) && (idp->id_iobase < 0x400)) {
836 if ((idp->id_iobase >= 0x700) && (idp->id_iobase < 0x900))
839 if ((idp->id_iobase >= 0x7000) && (idp->id_iobase < 0x7400))
841 if ((idp->id_iobase >= 0x8000) && (idp->id_iobase < 0xc000))
843 /* EISA board range */
844 if ((idp->id_iobase & ~0xf000) == 0)
848 if ((bclass == 0) || (idp->id_iobase == 0))
852 * Based on the board bus type, try and figure out what it might be...
855 if (bclass & BRD_ISA)
856 btype = stli_isaprobe(idp);
857 if ((btype == 0) && (bclass & BRD_EISA))
858 btype = stli_eisaprobe(idp);
859 if ((btype == 0) && (bclass & BRD_MCA))
860 btype = stli_mcaprobe(idp);
865 * Go ahead and try probing for the shared memory region now.
866 * This way we will really know if the board is here...
868 if ((brdp = stli_brdalloc()) == (stlibrd_t *) NULL)
871 brdp->brdnr = stli_findfreeunit();
872 brdp->brdtype = btype;
873 brdp->unitid = idp->id_unit;
874 brdp->iobase = idp->id_iobase;
875 brdp->vaddr = idp->id_maddr;
876 brdp->paddr = vtophys(idp->id_maddr);
879 printf("%s(%d): btype=%x unit=%d brd=%d io=%x mem=%lx(%p)\n",
880 __file__, __LINE__, btype, brdp->unitid, brdp->brdnr,
881 brdp->iobase, brdp->paddr, (void *) brdp->vaddr);
884 stli_stliprobed[idp->id_unit] = brdp->brdnr;
886 if ((brdp->state & BST_FOUND) == 0) {
887 stli_brds[brdp->brdnr] = (stlibrd_t *) NULL;
894 /*****************************************************************************/
897 * Allocate resources for and initialize a board.
900 static int stliattach(struct isa_device *idp)
906 printf("stliattach(idp=%p): unit=%d iobase=%x\n", (void *) idp,
907 idp->id_unit, idp->id_iobase);
910 brdnr = stli_stliprobed[idp->id_unit];
911 brdp = stli_brds[brdnr];
912 if (brdp == (stlibrd_t *) NULL)
914 if (brdp->state & BST_FOUND)
915 stli_brdattach(brdp);
920 /*****************************************************************************/
922 STATIC int stliopen(dev_t dev, int flag, int mode, struct thread *td)
929 printf("stliopen(dev=%x,flag=%x,mode=%x,p=%x)\n", (int) dev, flag,
934 * Firstly check if the supplied device number is a valid device.
936 if (minor(dev) & STL_MEMDEV)
939 portp = stli_dev2port(dev);
940 if (portp == (stliport_t *) NULL)
942 if (minor(dev) & STL_CTRLDEV)
946 callout = minor(dev) & STL_CALLOUTDEV;
953 * Wait here for the DTR drop timeout period to expire.
955 while (portp->state & ST_DTRWAIT) {
956 error = tsleep(&portp->dtrwait, PCATCH, "stlidtr", 0);
962 * If the port is in its raw hardware initialization phase, then
963 * hold up here 'till it is done.
965 while (portp->state & (ST_INITIALIZING | ST_CLOSING)) {
966 error = tsleep(&portp->state, PCATCH, "stliraw", 0);
972 * We have a valid device, so now we check if it is already open.
973 * If not then initialize the port hardware and set up the tty
974 * struct as required.
976 if ((tp->t_state & TS_ISOPEN) == 0) {
977 tp->t_oproc = stli_start;
978 tp->t_param = stli_param;
979 tp->t_stop = stli_stop;
981 tp->t_termios = callout ? portp->initouttios :
983 stli_initopen(portp);
984 wakeup(&portp->state);
986 if ((portp->sigs & TIOCM_CD) || callout)
987 (*linesw[tp->t_line].l_modem)(tp, 1);
990 if (portp->callout == 0) {
995 if (portp->callout != 0) {
996 if (flag & O_NONBLOCK) {
1000 error = tsleep(&portp->callout,
1001 PCATCH, "stlicall", 0);
1004 goto stliopen_restart;
1007 if ((tp->t_state & TS_XCLUDE) &&
1015 * If this port is not the callout device and we do not have carrier
1016 * then we need to sleep, waiting for it to be asserted.
1018 if (((tp->t_state & TS_CARR_ON) == 0) && !callout &&
1019 ((tp->t_cflag & CLOCAL) == 0) &&
1020 ((flag & O_NONBLOCK) == 0)) {
1022 error = tsleep(TSA_CARR_ON(tp), PCATCH, "stlidcd",0);
1026 goto stliopen_restart;
1030 * Open the line discipline.
1032 error = (*linesw[tp->t_line].l_open)(dev, tp);
1033 stli_ttyoptim(portp, &tp->t_termios);
1034 if ((tp->t_state & TS_ISOPEN) && callout)
1038 * If for any reason we get to here and the port is not actually
1039 * open then close of the physical hardware - no point leaving it
1040 * active when the open failed...
1044 if (((tp->t_state & TS_ISOPEN) == 0) && (portp->waitopens == 0))
1045 stli_shutdownclose(portp);
1050 /*****************************************************************************/
1052 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)
1445 printf("stli_shutdownclose(portp=%p): brdnr=%d panelnr=%d portnr=%d\n",
1446 (void *) portp, portp->brdnr, portp->panelnr, portp->portnr);
1449 if ((brdp = stli_brds[portp->brdnr]) == (stlibrd_t *) NULL)
1453 stli_rawclose(brdp, portp, 0, 0);
1454 stli_flush(portp, (FWRITE | FREAD));
1455 if (tp->t_cflag & HUPCL) {
1457 stli_mkasysigs(&portp->asig, 0, 0);
1458 if (portp->state & ST_CMDING) {
1459 portp->state |= ST_DOSIGS;
1461 stli_sendcmd(brdp, portp, A_SETSIGNALS,
1462 &portp->asig, sizeof(asysigs_t), 0);
1465 if (portp->dtrwait != 0) {
1466 portp->state |= ST_DTRWAIT;
1467 callout_reset(&portp->dtr_ch, portp->dtrwait,
1468 stli_dtrwakeup, portp);
1472 portp->state &= ~ST_INITIALIZED;
1473 wakeup(&portp->callout);
1474 wakeup(TSA_CARR_ON(tp));
1478 /*****************************************************************************/
1481 * Clear the DTR waiting flag, and wake up any sleepers waiting for
1482 * DTR wait period to finish.
1485 static void stli_dtrwakeup(void *arg)
1489 portp = (stliport_t *) arg;
1490 portp->state &= ~ST_DTRWAIT;
1491 wakeup(&portp->dtrwait);
1494 /*****************************************************************************/
1497 * Send an open message to the slave. This will sleep waiting for the
1498 * acknowledgement, so must have user context. We need to co-ordinate
1499 * with close events here, since we don't want open and close events
1503 static int stli_rawopen(stlibrd_t *brdp, stliport_t *portp, unsigned long arg, int wait)
1505 volatile cdkhdr_t *hdrp;
1506 volatile cdkctrl_t *cp;
1507 volatile unsigned char *bits;
1511 printf("stli_rawopen(brdp=%x,portp=%x,arg=%x,wait=%d)\n", (int) brdp,
1512 (int) portp, (int) arg, wait);
1518 * Slave is already closing this port. This can happen if a hangup
1519 * occurs on this port. So we must wait until it is complete. The
1520 * order of opens and closes may not be preserved across shared
1521 * memory, so we must wait until it is complete.
1523 while (portp->state & ST_CLOSING) {
1524 rc = tsleep(&portp->state, PCATCH, "stliraw", 0);
1532 * Everything is ready now, so write the open message into shared
1533 * memory. Once the message is in set the service bits to say that
1534 * this port wants service.
1537 cp = &((volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr))->ctrl;
1540 hdrp = (volatile cdkhdr_t *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
1541 bits = ((volatile unsigned char *) hdrp) + brdp->slaveoffset +
1543 *bits |= portp->portbit;
1552 * Slave is in action, so now we must wait for the open acknowledgment
1556 portp->state |= ST_OPENING;
1557 while (portp->state & ST_OPENING) {
1558 rc = tsleep(&portp->state, PCATCH, "stliraw", 0);
1566 if ((rc == 0) && (portp->rc != 0))
1571 /*****************************************************************************/
1574 * Send a close message to the slave. Normally this will sleep waiting
1575 * for the acknowledgement, but if wait parameter is 0 it will not. If
1576 * wait is true then must have user context (to sleep).
1579 static int stli_rawclose(stlibrd_t *brdp, stliport_t *portp, unsigned long arg, int wait)
1581 volatile cdkhdr_t *hdrp;
1582 volatile cdkctrl_t *cp;
1583 volatile unsigned char *bits;
1587 printf("stli_rawclose(brdp=%x,portp=%x,arg=%x,wait=%d)\n", (int) brdp,
1588 (int) portp, (int) arg, wait);
1594 * Slave is already closing this port. This can happen if a hangup
1595 * occurs on this port.
1598 while (portp->state & ST_CLOSING) {
1599 rc = tsleep(&portp->state, PCATCH, "stliraw", 0);
1608 * Write the close command into shared memory.
1611 cp = &((volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr))->ctrl;
1614 hdrp = (volatile cdkhdr_t *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
1615 bits = ((volatile unsigned char *) hdrp) + brdp->slaveoffset +
1617 *bits |= portp->portbit;
1620 portp->state |= ST_CLOSING;
1627 * Slave is in action, so now we must wait for the open acknowledgment
1631 while (portp->state & ST_CLOSING) {
1632 rc = tsleep(&portp->state, PCATCH, "stliraw", 0);
1640 if ((rc == 0) && (portp->rc != 0))
1645 /*****************************************************************************/
1648 * Send a command to the slave and wait for the response. This must
1649 * have user context (it sleeps). This routine is generic in that it
1650 * can send any type of command. Its purpose is to wait for that command
1651 * to complete (as opposed to initiating the command then returning).
1654 static int stli_cmdwait(stlibrd_t *brdp, stliport_t *portp, unsigned long cmd, void *arg, int size, int copyback)
1659 printf("stli_cmdwait(brdp=%x,portp=%x,cmd=%x,arg=%x,size=%d,"
1660 "copyback=%d)\n", (int) brdp, (int) portp, (int) cmd,
1661 (int) arg, size, copyback);
1665 while (portp->state & ST_CMDING) {
1666 rc = tsleep(&portp->state, PCATCH, "stliraw", 0);
1673 stli_sendcmd(brdp, portp, cmd, arg, size, copyback);
1675 while (portp->state & ST_CMDING) {
1676 rc = tsleep(&portp->state, PCATCH, "stliraw", 0);
1689 /*****************************************************************************/
1692 * Start (or continue) the transfer of TX data on this port. If the
1693 * port is not currently busy then load up the interrupt ring queue
1694 * buffer and kick of the transmitter. If the port is running low on
1695 * TX data then refill the ring queue. This routine is also used to
1696 * activate input flow control!
1699 static void stli_start(struct tty *tp)
1701 volatile cdkasy_t *ap;
1702 volatile cdkhdr_t *hdrp;
1703 volatile unsigned char *bits;
1704 unsigned char *shbuf;
1707 unsigned int len, stlen, head, tail, size;
1710 portp = (stliport_t *) tp;
1713 printf("stli_start(tp=%x): brdnr=%d portnr=%d\n", (int) tp,
1714 portp->brdnr, portp->portnr);
1721 * Check if the output cooked clist buffers are near empty, wake up
1722 * the line discipline to fill it up.
1724 if (tp->t_outq.c_cc <= tp->t_lowat) {
1725 if (tp->t_state & TS_ASLEEP) {
1726 tp->t_state &= ~TS_ASLEEP;
1727 wakeup(&tp->t_outq);
1729 selwakeup(&tp->t_wsel);
1733 if (tp->t_state & (TS_TIMEOUT | TS_TTSTOP)) {
1739 * Copy data from the clists into the interrupt ring queue. This will
1740 * require at most 2 copys... What we do is calculate how many chars
1741 * can fit into the ring queue, and how many can fit in 1 copy. If after
1742 * the first copy there is still more room then do the second copy.
1744 if (tp->t_outq.c_cc != 0) {
1745 brdp = stli_brds[portp->brdnr];
1746 if (brdp == (stlibrd_t *) NULL) {
1752 ap = (volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr);
1753 head = (unsigned int) ap->txq.head;
1754 tail = (unsigned int) ap->txq.tail;
1755 if (tail != ((unsigned int) ap->txq.tail))
1756 tail = (unsigned int) ap->txq.tail;
1757 size = portp->txsize;
1759 len = size - (head - tail) - 1;
1760 stlen = size - head;
1762 len = tail - head - 1;
1767 shbuf = (char *) EBRDGETMEMPTR(brdp, portp->txoffset);
1770 stlen = MIN(len, stlen);
1771 count = q_to_b(&tp->t_outq, (shbuf + head), stlen);
1777 stlen = q_to_b(&tp->t_outq, shbuf, len);
1784 ap = (volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr);
1785 ap->txq.head = head;
1786 hdrp = (volatile cdkhdr_t *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
1787 bits = ((volatile unsigned char *) hdrp) + brdp->slaveoffset +
1789 *bits |= portp->portbit;
1790 portp->state |= ST_TXBUSY;
1791 tp->t_state |= TS_BUSY;
1798 * Do any writer wakeups.
1806 /*****************************************************************************/
1809 * Send a new port configuration to the slave.
1812 static int stli_param(struct tty *tp, struct termios *tiosp)
1819 portp = (stliport_t *) tp;
1820 if ((brdp = stli_brds[portp->brdnr]) == (stlibrd_t *) NULL)
1824 stli_mkasyport(portp, &aport, tiosp);
1825 /* can we sleep here? */
1826 rc = stli_cmdwait(brdp, portp, A_SETPORT, &aport, sizeof(asyport_t), 0);
1827 stli_ttyoptim(portp, tiosp);
1832 /*****************************************************************************/
1835 * Flush characters from the lower buffer. We may not have user context
1836 * so we cannot sleep waiting for it to complete. Also we need to check
1837 * if there is chars for this port in the TX cook buffer, and flush them
1841 static void stli_flush(stliport_t *portp, int flag)
1844 unsigned long ftype;
1847 printf("stli_flush(portp=%x,flag=%x)\n", (int) portp, flag);
1850 if (portp == (stliport_t *) NULL)
1852 if ((portp->brdnr < 0) || (portp->brdnr >= stli_nrbrds))
1854 brdp = stli_brds[portp->brdnr];
1855 if (brdp == (stlibrd_t *) NULL)
1859 if (portp->state & ST_CMDING) {
1860 portp->state |= (flag & FWRITE) ? ST_DOFLUSHTX : 0;
1861 portp->state |= (flag & FREAD) ? ST_DOFLUSHRX : 0;
1863 ftype = (flag & FWRITE) ? FLUSHTX : 0;
1864 ftype |= (flag & FREAD) ? FLUSHRX : 0;
1865 portp->state &= ~(ST_DOFLUSHTX | ST_DOFLUSHRX);
1866 stli_sendcmd(brdp, portp, A_FLUSH, &ftype,
1867 sizeof(unsigned long), 0);
1869 if ((flag & FREAD) && (stli_rxtmpport == portp))
1874 /*****************************************************************************/
1877 * Generic send command routine. This will send a message to the slave,
1878 * of the specified type with the specified argument. Must be very
1879 * carefull of data that will be copied out from shared memory -
1880 * containing command results. The command completion is all done from
1881 * a poll routine that does not have user coontext. Therefore you cannot
1882 * copy back directly into user space, or to the kernel stack of a
1883 * process. This routine does not sleep, so can be called from anywhere,
1884 * and must be called with interrupt locks set.
1887 static void stli_sendcmd(stlibrd_t *brdp, stliport_t *portp, unsigned long cmd, void *arg, int size, int copyback)
1889 volatile cdkhdr_t *hdrp;
1890 volatile cdkctrl_t *cp;
1891 volatile unsigned char *bits;
1894 printf("stli_sendcmd(brdp=%x,portp=%x,cmd=%x,arg=%x,size=%d,"
1895 "copyback=%d)\n", (int) brdp, (int) portp, (int) cmd,
1896 (int) arg, size, copyback);
1899 if (portp->state & ST_CMDING) {
1900 printf("STALLION: command already busy, cmd=%x!\n", (int) cmd);
1905 cp = &((volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr))->ctrl;
1907 bcopy(arg, &(cp->args[0]), size);
1910 portp->argsize = size;
1915 hdrp = (volatile cdkhdr_t *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
1916 bits = ((volatile unsigned char *) hdrp) + brdp->slaveoffset +
1918 *bits |= portp->portbit;
1919 portp->state |= ST_CMDING;
1923 /*****************************************************************************/
1926 * Read data from shared memory. This assumes that the shared memory
1927 * is enabled and that interrupts are off. Basically we just empty out
1928 * the shared memory buffer into the tty buffer. Must be carefull to
1929 * handle the case where we fill up the tty buffer, but still have
1930 * more chars to unload.
1933 static void stli_rxprocess(stlibrd_t *brdp, stliport_t *portp)
1935 volatile cdkasyrq_t *rp;
1936 volatile char *shbuf;
1938 unsigned int head, tail, size;
1939 unsigned int len, stlen, i;
1943 printf("stli_rxprocess(brdp=%x,portp=%d)\n", (int) brdp, (int) portp);
1947 if ((tp->t_state & TS_ISOPEN) == 0) {
1948 stli_flush(portp, FREAD);
1951 if (tp->t_state & TS_TBLOCK)
1954 rp = &((volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr))->rxq;
1955 head = (unsigned int) rp->head;
1956 if (head != ((unsigned int) rp->head))
1957 head = (unsigned int) rp->head;
1958 tail = (unsigned int) rp->tail;
1959 size = portp->rxsize;
1964 len = size - (tail - head);
1965 stlen = size - tail;
1971 shbuf = (volatile char *) EBRDGETMEMPTR(brdp, portp->rxoffset);
1974 * If we can bypass normal LD processing then just copy direct
1975 * from board shared memory into the tty buffers.
1977 if (tp->t_state & TS_CAN_BYPASS_L_RINT) {
1978 if (((tp->t_rawq.c_cc + len) >= TTYHOG) &&
1979 ((tp->t_cflag & CRTS_IFLOW) || (tp->t_iflag & IXOFF)) &&
1980 ((tp->t_state & TS_TBLOCK) == 0)) {
1981 ch = TTYHOG - tp->t_rawq.c_cc - 1;
1982 len = (ch > 0) ? ch : 0;
1983 stlen = MIN(stlen, len);
1984 tp->t_state |= TS_TBLOCK;
1986 i = b_to_q(__DEVOLATILE(char *, shbuf + tail), stlen,
1992 i += b_to_q(__DEVOLATILE(char *, shbuf), len,
1998 rp = &((volatile cdkasy_t *)
1999 EBRDGETMEMPTR(brdp, portp->addr))->rxq;
2004 * Copy the data from board shared memory into a local
2005 * memory buffer. Then feed them from here into the LD.
2006 * We don't want to go into board shared memory one char
2007 * at a time, it is too slow...
2011 stlen = min(len, stlen);
2013 stli_rxtmpport = portp;
2014 stli_rxtmplen = len;
2015 bcopy(__DEVOLATILE(char *, shbuf + tail), &stli_rxtmpbuf[0],
2019 bcopy(shbuf, &stli_rxtmpbuf[stlen], len);
2021 for (i = 0; (i < stli_rxtmplen); i++) {
2022 ch = (unsigned char) stli_rxtmpbuf[i];
2023 (*linesw[tp->t_line].l_rint)(ch, tp);
2026 rp = &((volatile cdkasy_t *)
2027 EBRDGETMEMPTR(brdp, portp->addr))->rxq;
2028 if (stli_rxtmplen == 0) {
2029 head = (unsigned int) rp->head;
2030 if (head != ((unsigned int) rp->head))
2031 head = (unsigned int) rp->head;
2039 stli_rxtmpport = (stliport_t *) NULL;
2043 portp->state |= ST_RXING;
2046 /*****************************************************************************/
2049 * Set up and carry out any delayed commands. There is only a small set
2050 * of slave commands that can be done "off-level". So it is not too
2051 * difficult to deal with them as a special case here.
2054 static __inline void stli_dodelaycmd(stliport_t *portp, volatile cdkctrl_t *cp)
2058 if (portp->state & ST_DOSIGS) {
2059 if ((portp->state & ST_DOFLUSHTX) &&
2060 (portp->state & ST_DOFLUSHRX))
2061 cmd = A_SETSIGNALSF;
2062 else if (portp->state & ST_DOFLUSHTX)
2063 cmd = A_SETSIGNALSFTX;
2064 else if (portp->state & ST_DOFLUSHRX)
2065 cmd = A_SETSIGNALSFRX;
2068 portp->state &= ~(ST_DOFLUSHTX | ST_DOFLUSHRX | ST_DOSIGS);
2069 bcopy(&portp->asig, &(cp->args[0]), sizeof(asysigs_t));
2072 portp->state |= ST_CMDING;
2073 } else if ((portp->state & ST_DOFLUSHTX) ||
2074 (portp->state & ST_DOFLUSHRX)) {
2075 cmd = ((portp->state & ST_DOFLUSHTX) ? FLUSHTX : 0);
2076 cmd |= ((portp->state & ST_DOFLUSHRX) ? FLUSHRX : 0);
2077 portp->state &= ~(ST_DOFLUSHTX | ST_DOFLUSHRX);
2078 bcopy(&cmd, &(cp->args[0]), sizeof(int));
2081 portp->state |= ST_CMDING;
2085 /*****************************************************************************/
2088 * Host command service checking. This handles commands or messages
2089 * coming from the slave to the host. Must have board shared memory
2090 * enabled and interrupts off when called. Notice that by servicing the
2091 * read data last we don't need to change the shared memory pointer
2092 * during processing (which is a slow IO operation).
2093 * Return value indicates if this port is still awaiting actions from
2094 * the slave (like open, command, or even TX data being sent). If 0
2095 * then port is still busy, otherwise the port request bit flag is
2099 static __inline int stli_hostcmd(stlibrd_t *brdp, stliport_t *portp)
2101 volatile cdkasy_t *ap;
2102 volatile cdkctrl_t *cp;
2104 unsigned long oldsigs;
2105 unsigned int head, tail;
2109 printf("stli_hostcmd(brdp=%x,portp=%x)\n", (int) brdp, (int) portp);
2112 ap = (volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr);
2116 * Check if we are waiting for an open completion message.
2118 if (portp->state & ST_OPENING) {
2119 rc = (int) cp->openarg;
2120 if ((cp->open == 0) && (rc != 0)) {
2125 portp->state &= ~ST_OPENING;
2126 wakeup(&portp->state);
2131 * Check if we are waiting for a close completion message.
2133 if (portp->state & ST_CLOSING) {
2134 rc = (int) cp->closearg;
2135 if ((cp->close == 0) && (rc != 0)) {
2140 portp->state &= ~ST_CLOSING;
2141 wakeup(&portp->state);
2146 * Check if we are waiting for a command completion message. We may
2147 * need to copy out the command results associated with this command.
2149 if (portp->state & ST_CMDING) {
2151 if ((cp->cmd == 0) && (rc != 0)) {
2154 if (portp->argp != (void *) NULL) {
2155 bcopy(&(cp->args[0]), portp->argp,
2157 portp->argp = (void *) NULL;
2161 portp->state &= ~ST_CMDING;
2162 stli_dodelaycmd(portp, cp);
2163 wakeup(&portp->state);
2168 * Check for any notification messages ready. This includes lots of
2169 * different types of events - RX chars ready, RX break received,
2170 * TX data low or empty in the slave, modem signals changed state.
2171 * Must be extremely carefull if we call to the LD, it may call
2172 * other routines of ours that will disable the memory...
2173 * Something else we need to be carefull of is race conditions on
2174 * marking the TX as empty...
2185 if (nt.signal & SG_DCD) {
2186 oldsigs = portp->sigs;
2187 portp->sigs = stli_mktiocm(nt.sigvalue);
2188 portp->state &= ~ST_GETSIGS;
2189 (*linesw[tp->t_line].l_modem)(tp,
2190 (portp->sigs & TIOCM_CD));
2193 if (nt.data & DT_RXBUSY) {
2195 stli_rxprocess(brdp, portp);
2197 if (nt.data & DT_RXBREAK) {
2198 (*linesw[tp->t_line].l_rint)(TTY_BI, tp);
2201 if (nt.data & DT_TXEMPTY) {
2202 ap = (volatile cdkasy_t *)
2203 EBRDGETMEMPTR(brdp, portp->addr);
2204 head = (unsigned int) ap->txq.head;
2205 tail = (unsigned int) ap->txq.tail;
2206 if (tail != ((unsigned int) ap->txq.tail))
2207 tail = (unsigned int) ap->txq.tail;
2208 head = (head >= tail) ? (head - tail) :
2209 portp->txsize - (tail - head);
2211 portp->state &= ~ST_TXBUSY;
2212 tp->t_state &= ~TS_BUSY;
2215 if (nt.data & (DT_TXEMPTY | DT_TXLOW)) {
2216 (*linesw[tp->t_line].l_start)(tp);
2222 * It might seem odd that we are checking for more RX chars here.
2223 * But, we need to handle the case where the tty buffer was previously
2224 * filled, but we had more characters to pass up. The slave will not
2225 * send any more RX notify messages until the RX buffer has been emptied.
2226 * But it will leave the service bits on (since the buffer is not empty).
2227 * So from here we can try to process more RX chars.
2229 if ((!donerx) && (portp->state & ST_RXING)) {
2230 portp->state &= ~ST_RXING;
2231 stli_rxprocess(brdp, portp);
2234 return((portp->state & (ST_OPENING | ST_CLOSING | ST_CMDING |
2235 ST_TXBUSY | ST_RXING)) ? 0 : 1);
2238 /*****************************************************************************/
2241 * Service all ports on a particular board. Assumes that the boards
2242 * shared memory is enabled, and that the page pointer is pointed
2243 * at the cdk header structure.
2246 static __inline void stli_brdpoll(stlibrd_t *brdp, volatile cdkhdr_t *hdrp)
2249 unsigned char hostbits[(STL_MAXCHANS / 8) + 1];
2250 unsigned char slavebits[(STL_MAXCHANS / 8) + 1];
2251 unsigned char *slavep;
2252 int bitpos, bitat, bitsize;
2253 int channr, nrdevs, slavebitchange;
2255 bitsize = brdp->bitsize;
2256 nrdevs = brdp->nrdevs;
2259 * Check if slave wants any service. Basically we try to do as
2260 * little work as possible here. There are 2 levels of service
2261 * bits. So if there is nothing to do we bail early. We check
2262 * 8 service bits at a time in the inner loop, so we can bypass
2263 * the lot if none of them want service.
2265 bcopy(__DEVOLATILE(unsigned char *, hdrp) + brdp->hostoffset,
2266 &hostbits[0], bitsize);
2268 bzero(&slavebits[0], bitsize);
2271 for (bitpos = 0; (bitpos < bitsize); bitpos++) {
2272 if (hostbits[bitpos] == 0)
2274 channr = bitpos * 8;
2276 for (; (channr < nrdevs); channr++, bitat <<=1) {
2277 if (hostbits[bitpos] & bitat) {
2278 portp = brdp->ports[(channr - 1)];
2279 if (stli_hostcmd(brdp, portp)) {
2281 slavebits[bitpos] |= bitat;
2288 * If any of the ports are no longer busy then update them in the
2289 * slave request bits. We need to do this after, since a host port
2290 * service may initiate more slave requests...
2292 if (slavebitchange) {
2293 hdrp = (volatile cdkhdr_t *)
2294 EBRDGETMEMPTR(brdp, CDK_CDKADDR);
2295 slavep = __DEVOLATILE(unsigned char *, hdrp) + brdp->slaveoffset;
2296 for (bitpos = 0; (bitpos < bitsize); bitpos++) {
2297 if (slavebits[bitpos])
2298 slavep[bitpos] &= ~slavebits[bitpos];
2303 /*****************************************************************************/
2306 * Driver poll routine. This routine polls the boards in use and passes
2307 * messages back up to host when neccesary. This is actually very
2308 * CPU efficient, since we will always have the kernel poll clock, it
2309 * adds only a few cycles when idle (since board service can be
2310 * determined very easily), but when loaded generates no interrupts
2311 * (with their expensive associated context change).
2314 static void stli_poll(void *arg)
2316 volatile cdkhdr_t *hdrp;
2323 * Check each board and do any servicing required.
2325 for (brdnr = 0; (brdnr < stli_nrbrds); brdnr++) {
2326 brdp = stli_brds[brdnr];
2327 if (brdp == (stlibrd_t *) NULL)
2329 if ((brdp->state & BST_STARTED) == 0)
2333 hdrp = (volatile cdkhdr_t *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
2335 stli_brdpoll(brdp, hdrp);
2340 callout_reset(&stli_poll_ch, 1, stli_poll, NULL);
2343 /*****************************************************************************/
2346 * Translate the termios settings into the port setting structure of
2350 static void stli_mkasyport(stliport_t *portp, asyport_t *pp, struct termios *tiosp)
2353 printf("stli_mkasyport(portp=%x,pp=%x,tiosp=%d)\n", (int) portp,
2354 (int) pp, (int) tiosp);
2357 bzero(pp, sizeof(asyport_t));
2360 * Start of by setting the baud, char size, parity and stop bit info.
2362 if (tiosp->c_ispeed == 0)
2363 tiosp->c_ispeed = tiosp->c_ospeed;
2364 if ((tiosp->c_ospeed < 0) || (tiosp->c_ospeed > STL_MAXBAUD))
2365 tiosp->c_ospeed = STL_MAXBAUD;
2366 pp->baudout = tiosp->c_ospeed;
2367 pp->baudin = pp->baudout;
2369 switch (tiosp->c_cflag & CSIZE) {
2384 if (tiosp->c_cflag & CSTOPB)
2385 pp->stopbs = PT_STOP2;
2387 pp->stopbs = PT_STOP1;
2389 if (tiosp->c_cflag & PARENB) {
2390 if (tiosp->c_cflag & PARODD)
2391 pp->parity = PT_ODDPARITY;
2393 pp->parity = PT_EVENPARITY;
2395 pp->parity = PT_NOPARITY;
2398 if (tiosp->c_iflag & ISTRIP)
2399 pp->iflag |= FI_ISTRIP;
2402 * Set up any flow control options enabled.
2404 if (tiosp->c_iflag & IXON) {
2406 if (tiosp->c_iflag & IXANY)
2407 pp->flow |= F_IXANY;
2409 if (tiosp->c_iflag & IXOFF)
2410 pp->flow |= F_IXOFF;
2411 if (tiosp->c_cflag & CCTS_OFLOW)
2412 pp->flow |= F_CTSFLOW;
2413 if (tiosp->c_cflag & CRTS_IFLOW)
2414 pp->flow |= F_RTSFLOW;
2416 pp->startin = tiosp->c_cc[VSTART];
2417 pp->stopin = tiosp->c_cc[VSTOP];
2418 pp->startout = tiosp->c_cc[VSTART];
2419 pp->stopout = tiosp->c_cc[VSTOP];
2422 * Set up the RX char marking mask with those RX error types we must
2423 * catch. We can get the slave to help us out a little here, it will
2424 * ignore parity errors and breaks for us, and mark parity errors in
2427 if (tiosp->c_iflag & IGNPAR)
2428 pp->iflag |= FI_IGNRXERRS;
2429 if (tiosp->c_iflag & IGNBRK)
2430 pp->iflag |= FI_IGNBREAK;
2431 if (tiosp->c_iflag & (INPCK | PARMRK))
2432 pp->iflag |= FI_1MARKRXERRS;
2435 * Transfer any persistent flags into the asyport structure.
2437 pp->pflag = (portp->pflag & 0xffff);
2438 pp->vmin = (portp->pflag & P_RXIMIN) ? 1 : 0;
2439 pp->vtime = (portp->pflag & P_RXITIME) ? 1 : 0;
2440 pp->cc[1] = (portp->pflag & P_RXTHOLD) ? 1 : 0;
2443 /*****************************************************************************/
2446 * Construct a slave signals structure for setting the DTR and RTS
2447 * signals as specified.
2450 static void stli_mkasysigs(asysigs_t *sp, int dtr, int rts)
2453 printf("stli_mkasysigs(sp=%x,dtr=%d,rts=%d)\n", (int) sp, dtr, rts);
2456 bzero(sp, sizeof(asysigs_t));
2458 sp->signal |= SG_DTR;
2459 sp->sigvalue |= ((dtr > 0) ? SG_DTR : 0);
2462 sp->signal |= SG_RTS;
2463 sp->sigvalue |= ((rts > 0) ? SG_RTS : 0);
2467 /*****************************************************************************/
2470 * Convert the signals returned from the slave into a local TIOCM type
2471 * signals value. We keep them localy in TIOCM format.
2474 static long stli_mktiocm(unsigned long sigvalue)
2479 printf("stli_mktiocm(sigvalue=%x)\n", (int) sigvalue);
2483 tiocm |= ((sigvalue & SG_DCD) ? TIOCM_CD : 0);
2484 tiocm |= ((sigvalue & SG_CTS) ? TIOCM_CTS : 0);
2485 tiocm |= ((sigvalue & SG_RI) ? TIOCM_RI : 0);
2486 tiocm |= ((sigvalue & SG_DSR) ? TIOCM_DSR : 0);
2487 tiocm |= ((sigvalue & SG_DTR) ? TIOCM_DTR : 0);
2488 tiocm |= ((sigvalue & SG_RTS) ? TIOCM_RTS : 0);
2492 /*****************************************************************************/
2495 * Enable l_rint processing bypass mode if tty modes allow it.
2498 static void stli_ttyoptim(stliport_t *portp, struct termios *tiosp)
2503 if (((tiosp->c_iflag & (ICRNL | IGNCR | IMAXBEL | INLCR)) == 0) &&
2504 (((tiosp->c_iflag & BRKINT) == 0) || (tiosp->c_iflag & IGNBRK)) &&
2505 (((tiosp->c_iflag & PARMRK) == 0) ||
2506 ((tiosp->c_iflag & (IGNPAR | IGNBRK)) == (IGNPAR | IGNBRK))) &&
2507 ((tiosp->c_lflag & (ECHO | ICANON | IEXTEN | ISIG | PENDIN)) ==0) &&
2508 (linesw[tp->t_line].l_rint == ttyinput))
2509 tp->t_state |= TS_CAN_BYPASS_L_RINT;
2511 tp->t_state &= ~TS_CAN_BYPASS_L_RINT;
2512 portp->hotchar = linesw[tp->t_line].l_hotchar;
2515 /*****************************************************************************/
2518 * All panels and ports actually attached have been worked out. All
2519 * we need to do here is set up the appropriate per port data structures.
2522 static int stli_initports(stlibrd_t *brdp)
2525 int i, panelnr, panelport;
2528 printf("stli_initports(brdp=%x)\n", (int) brdp);
2531 for (i = 0, panelnr = 0, panelport = 0; (i < brdp->nrports); i++) {
2532 portp = malloc(sizeof(stliport_t), M_TTYS, M_WAITOK | M_ZERO);
2533 callout_init(&portp->dtr_ch);
2535 portp->brdnr = brdp->brdnr;
2536 portp->panelnr = panelnr;
2537 portp->initintios.c_ispeed = STL_DEFSPEED;
2538 portp->initintios.c_ospeed = STL_DEFSPEED;
2539 portp->initintios.c_cflag = STL_DEFCFLAG;
2540 portp->initintios.c_iflag = 0;
2541 portp->initintios.c_oflag = 0;
2542 portp->initintios.c_lflag = 0;
2543 bcopy(&ttydefchars[0], &portp->initintios.c_cc[0],
2544 sizeof(portp->initintios.c_cc));
2545 portp->initouttios = portp->initintios;
2546 portp->dtrwait = 3 * hz;
2549 if (panelport >= brdp->panels[panelnr]) {
2553 brdp->ports[i] = portp;
2560 /*****************************************************************************/
2563 * All the following routines are board specific hardware operations.
2566 static void stli_ecpinit(stlibrd_t *brdp)
2568 unsigned long memconf;
2571 printf("stli_ecpinit(brdp=%d)\n", (int) brdp);
2574 outb((brdp->iobase + ECP_ATCONFR), ECP_ATSTOP);
2576 outb((brdp->iobase + ECP_ATCONFR), ECP_ATDISABLE);
2579 memconf = (brdp->paddr & ECP_ATADDRMASK) >> ECP_ATADDRSHFT;
2580 outb((brdp->iobase + ECP_ATMEMAR), memconf);
2583 /*****************************************************************************/
2585 static void stli_ecpenable(stlibrd_t *brdp)
2588 printf("stli_ecpenable(brdp=%x)\n", (int) brdp);
2590 outb((brdp->iobase + ECP_ATCONFR), ECP_ATENABLE);
2593 /*****************************************************************************/
2595 static void stli_ecpdisable(stlibrd_t *brdp)
2598 printf("stli_ecpdisable(brdp=%x)\n", (int) brdp);
2600 outb((brdp->iobase + ECP_ATCONFR), ECP_ATDISABLE);
2603 /*****************************************************************************/
2605 static char *stli_ecpgetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
2611 printf("stli_ecpgetmemptr(brdp=%x,offset=%x)\n", (int) brdp,
2615 if (offset > brdp->memsize) {
2616 printf("STALLION: shared memory pointer=%x out of range at "
2617 "line=%d(%d), brd=%d\n", (int) offset, line,
2618 __LINE__, brdp->brdnr);
2622 ptr = (char *) brdp->vaddr + (offset % ECP_ATPAGESIZE);
2623 val = (unsigned char) (offset / ECP_ATPAGESIZE);
2625 outb((brdp->iobase + ECP_ATMEMPR), val);
2629 /*****************************************************************************/
2631 static void stli_ecpreset(stlibrd_t *brdp)
2634 printf("stli_ecpreset(brdp=%x)\n", (int) brdp);
2637 outb((brdp->iobase + ECP_ATCONFR), ECP_ATSTOP);
2639 outb((brdp->iobase + ECP_ATCONFR), ECP_ATDISABLE);
2643 /*****************************************************************************/
2645 static void stli_ecpintr(stlibrd_t *brdp)
2648 printf("stli_ecpintr(brdp=%x)\n", (int) brdp);
2650 outb(brdp->iobase, 0x1);
2653 /*****************************************************************************/
2656 * The following set of functions act on ECP EISA boards.
2659 static void stli_ecpeiinit(stlibrd_t *brdp)
2661 unsigned long memconf;
2664 printf("stli_ecpeiinit(brdp=%x)\n", (int) brdp);
2667 outb((brdp->iobase + ECP_EIBRDENAB), 0x1);
2668 outb((brdp->iobase + ECP_EICONFR), ECP_EISTOP);
2670 outb((brdp->iobase + ECP_EICONFR), ECP_EIDISABLE);
2673 memconf = (brdp->paddr & ECP_EIADDRMASKL) >> ECP_EIADDRSHFTL;
2674 outb((brdp->iobase + ECP_EIMEMARL), memconf);
2675 memconf = (brdp->paddr & ECP_EIADDRMASKH) >> ECP_EIADDRSHFTH;
2676 outb((brdp->iobase + ECP_EIMEMARH), memconf);
2679 /*****************************************************************************/
2681 static void stli_ecpeienable(stlibrd_t *brdp)
2683 outb((brdp->iobase + ECP_EICONFR), ECP_EIENABLE);
2686 /*****************************************************************************/
2688 static void stli_ecpeidisable(stlibrd_t *brdp)
2690 outb((brdp->iobase + ECP_EICONFR), ECP_EIDISABLE);
2693 /*****************************************************************************/
2695 static char *stli_ecpeigetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
2701 printf("stli_ecpeigetmemptr(brdp=%x,offset=%x,line=%d)\n",
2702 (int) brdp, (int) offset, line);
2705 if (offset > brdp->memsize) {
2706 printf("STALLION: shared memory pointer=%x out of range at "
2707 "line=%d(%d), brd=%d\n", (int) offset, line,
2708 __LINE__, brdp->brdnr);
2712 ptr = (char *) brdp->vaddr + (offset % ECP_EIPAGESIZE);
2713 if (offset < ECP_EIPAGESIZE)
2716 val = ECP_EIENABLE | 0x40;
2718 outb((brdp->iobase + ECP_EICONFR), val);
2722 /*****************************************************************************/
2724 static void stli_ecpeireset(stlibrd_t *brdp)
2726 outb((brdp->iobase + ECP_EICONFR), ECP_EISTOP);
2728 outb((brdp->iobase + ECP_EICONFR), ECP_EIDISABLE);
2732 /*****************************************************************************/
2735 * The following set of functions act on ECP MCA boards.
2738 static void stli_ecpmcenable(stlibrd_t *brdp)
2740 outb((brdp->iobase + ECP_MCCONFR), ECP_MCENABLE);
2743 /*****************************************************************************/
2745 static void stli_ecpmcdisable(stlibrd_t *brdp)
2747 outb((brdp->iobase + ECP_MCCONFR), ECP_MCDISABLE);
2750 /*****************************************************************************/
2752 static char *stli_ecpmcgetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
2757 if (offset > brdp->memsize) {
2758 printf("STALLION: shared memory pointer=%x out of range at "
2759 "line=%d(%d), brd=%d\n", (int) offset, line,
2760 __LINE__, brdp->brdnr);
2764 ptr = (char *) brdp->vaddr + (offset % ECP_MCPAGESIZE);
2765 val = ((unsigned char) (offset / ECP_MCPAGESIZE)) | ECP_MCENABLE;
2767 outb((brdp->iobase + ECP_MCCONFR), val);
2771 /*****************************************************************************/
2773 static void stli_ecpmcreset(stlibrd_t *brdp)
2775 outb((brdp->iobase + ECP_MCCONFR), ECP_MCSTOP);
2777 outb((brdp->iobase + ECP_MCCONFR), ECP_MCDISABLE);
2781 /*****************************************************************************/
2784 * The following routines act on ONboards.
2787 static void stli_onbinit(stlibrd_t *brdp)
2789 unsigned long memconf;
2793 printf("stli_onbinit(brdp=%d)\n", (int) brdp);
2796 outb((brdp->iobase + ONB_ATCONFR), ONB_ATSTOP);
2798 outb((brdp->iobase + ONB_ATCONFR), ONB_ATDISABLE);
2799 for (i = 0; (i < 1000); i++)
2802 memconf = (brdp->paddr & ONB_ATADDRMASK) >> ONB_ATADDRSHFT;
2803 outb((brdp->iobase + ONB_ATMEMAR), memconf);
2804 outb(brdp->iobase, 0x1);
2808 /*****************************************************************************/
2810 static void stli_onbenable(stlibrd_t *brdp)
2813 printf("stli_onbenable(brdp=%x)\n", (int) brdp);
2815 outb((brdp->iobase + ONB_ATCONFR), (ONB_ATENABLE | brdp->confbits));
2818 /*****************************************************************************/
2820 static void stli_onbdisable(stlibrd_t *brdp)
2823 printf("stli_onbdisable(brdp=%x)\n", (int) brdp);
2825 outb((brdp->iobase + ONB_ATCONFR), (ONB_ATDISABLE | brdp->confbits));
2828 /*****************************************************************************/
2830 static char *stli_onbgetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
2835 printf("stli_onbgetmemptr(brdp=%x,offset=%x)\n", (int) brdp,
2839 if (offset > brdp->memsize) {
2840 printf("STALLION: shared memory pointer=%x out of range at "
2841 "line=%d(%d), brd=%d\n", (int) offset, line,
2842 __LINE__, brdp->brdnr);
2845 ptr = (char *) brdp->vaddr + (offset % ONB_ATPAGESIZE);
2850 /*****************************************************************************/
2852 static void stli_onbreset(stlibrd_t *brdp)
2857 printf("stli_onbreset(brdp=%x)\n", (int) brdp);
2860 outb((brdp->iobase + ONB_ATCONFR), ONB_ATSTOP);
2862 outb((brdp->iobase + ONB_ATCONFR), ONB_ATDISABLE);
2863 for (i = 0; (i < 1000); i++)
2867 /*****************************************************************************/
2870 * The following routines act on ONboard EISA.
2873 static void stli_onbeinit(stlibrd_t *brdp)
2875 unsigned long memconf;
2879 printf("stli_onbeinit(brdp=%d)\n", (int) brdp);
2882 outb((brdp->iobase + ONB_EIBRDENAB), 0x1);
2883 outb((brdp->iobase + ONB_EICONFR), ONB_EISTOP);
2885 outb((brdp->iobase + ONB_EICONFR), ONB_EIDISABLE);
2886 for (i = 0; (i < 1000); i++)
2889 memconf = (brdp->paddr & ONB_EIADDRMASKL) >> ONB_EIADDRSHFTL;
2890 outb((brdp->iobase + ONB_EIMEMARL), memconf);
2891 memconf = (brdp->paddr & ONB_EIADDRMASKH) >> ONB_EIADDRSHFTH;
2892 outb((brdp->iobase + ONB_EIMEMARH), memconf);
2893 outb(brdp->iobase, 0x1);
2897 /*****************************************************************************/
2899 static void stli_onbeenable(stlibrd_t *brdp)
2902 printf("stli_onbeenable(brdp=%x)\n", (int) brdp);
2904 outb((brdp->iobase + ONB_EICONFR), ONB_EIENABLE);
2907 /*****************************************************************************/
2909 static void stli_onbedisable(stlibrd_t *brdp)
2912 printf("stli_onbedisable(brdp=%x)\n", (int) brdp);
2914 outb((brdp->iobase + ONB_EICONFR), ONB_EIDISABLE);
2917 /*****************************************************************************/
2919 static char *stli_onbegetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
2925 printf("stli_onbegetmemptr(brdp=%x,offset=%x,line=%d)\n", (int) brdp,
2926 (int) offset, line);
2929 if (offset > brdp->memsize) {
2930 printf("STALLION: shared memory pointer=%x out of range at "
2931 "line=%d(%d), brd=%d\n", (int) offset, line,
2932 __LINE__, brdp->brdnr);
2936 ptr = (char *) brdp->vaddr + (offset % ONB_EIPAGESIZE);
2937 if (offset < ONB_EIPAGESIZE)
2940 val = ONB_EIENABLE | 0x40;
2942 outb((brdp->iobase + ONB_EICONFR), val);
2946 /*****************************************************************************/
2948 static void stli_onbereset(stlibrd_t *brdp)
2953 printf("stli_onbereset(brdp=%x)\n", (int) brdp);
2956 outb((brdp->iobase + ONB_EICONFR), ONB_EISTOP);
2958 outb((brdp->iobase + ONB_EICONFR), ONB_EIDISABLE);
2959 for (i = 0; (i < 1000); i++)
2963 /*****************************************************************************/
2966 * The following routines act on Brumby boards.
2969 static void stli_bbyinit(stlibrd_t *brdp)
2974 printf("stli_bbyinit(brdp=%d)\n", (int) brdp);
2977 outb((brdp->iobase + BBY_ATCONFR), BBY_ATSTOP);
2979 outb((brdp->iobase + BBY_ATCONFR), 0);
2980 for (i = 0; (i < 1000); i++)
2982 outb(brdp->iobase, 0x1);
2986 /*****************************************************************************/
2988 static char *stli_bbygetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
2994 printf("stli_bbygetmemptr(brdp=%x,offset=%x)\n", (int) brdp,
2998 if (offset > brdp->memsize) {
2999 printf("STALLION: shared memory pointer=%x out of range at "
3000 "line=%d(%d), brd=%d\n", (int) offset, line,
3001 __LINE__, brdp->brdnr);
3005 ptr = (char *) brdp->vaddr + (offset % BBY_PAGESIZE);
3006 val = (unsigned char) (offset / BBY_PAGESIZE);
3008 outb((brdp->iobase + BBY_ATCONFR), val);
3012 /*****************************************************************************/
3014 static void stli_bbyreset(stlibrd_t *brdp)
3019 printf("stli_bbyreset(brdp=%x)\n", (int) brdp);
3022 outb((brdp->iobase + BBY_ATCONFR), BBY_ATSTOP);
3024 outb((brdp->iobase + BBY_ATCONFR), 0);
3025 for (i = 0; (i < 1000); i++)
3029 /*****************************************************************************/
3032 * The following routines act on original old Stallion boards.
3035 static void stli_stalinit(stlibrd_t *brdp)
3040 printf("stli_stalinit(brdp=%d)\n", (int) brdp);
3043 outb(brdp->iobase, 0x1);
3044 for (i = 0; (i < 1000); i++)
3048 /*****************************************************************************/
3050 static char *stli_stalgetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
3055 printf("stli_stalgetmemptr(brdp=%x,offset=%x)\n", (int) brdp,
3059 if (offset > brdp->memsize) {
3060 printf("STALLION: shared memory pointer=%x out of range at "
3061 "line=%d(%d), brd=%d\n", (int) offset, line,
3062 __LINE__, brdp->brdnr);
3065 ptr = (char *) brdp->vaddr + (offset % STAL_PAGESIZE);
3070 /*****************************************************************************/
3072 static void stli_stalreset(stlibrd_t *brdp)
3074 volatile unsigned long *vecp;
3078 printf("stli_stalreset(brdp=%x)\n", (int) brdp);
3081 vecp = (volatile unsigned long *) ((char *) brdp->vaddr + 0x30);
3083 outb(brdp->iobase, 0);
3084 for (i = 0; (i < 1000); i++)
3088 /*****************************************************************************/
3091 * Try to find an ECP board and initialize it. This handles only ECP
3095 static int stli_initecp(stlibrd_t *brdp)
3099 unsigned int status, nxtid;
3103 printf("stli_initecp(brdp=%x)\n", (int) brdp);
3107 * Do a basic sanity check on the IO and memory addresses.
3109 if ((brdp->iobase == 0) || (brdp->paddr == 0))
3113 * Based on the specific board type setup the common vars to access
3114 * and enable shared memory. Set all board specific information now
3117 switch (brdp->brdtype) {
3119 brdp->memsize = ECP_MEMSIZE;
3120 brdp->pagesize = ECP_ATPAGESIZE;
3121 brdp->init = stli_ecpinit;
3122 brdp->enable = stli_ecpenable;
3123 brdp->reenable = stli_ecpenable;
3124 brdp->disable = stli_ecpdisable;
3125 brdp->getmemptr = stli_ecpgetmemptr;
3126 brdp->intr = stli_ecpintr;
3127 brdp->reset = stli_ecpreset;
3131 brdp->memsize = ECP_MEMSIZE;
3132 brdp->pagesize = ECP_EIPAGESIZE;
3133 brdp->init = stli_ecpeiinit;
3134 brdp->enable = stli_ecpeienable;
3135 brdp->reenable = stli_ecpeienable;
3136 brdp->disable = stli_ecpeidisable;
3137 brdp->getmemptr = stli_ecpeigetmemptr;
3138 brdp->intr = stli_ecpintr;
3139 brdp->reset = stli_ecpeireset;
3143 brdp->memsize = ECP_MEMSIZE;
3144 brdp->pagesize = ECP_MCPAGESIZE;
3146 brdp->enable = stli_ecpmcenable;
3147 brdp->reenable = stli_ecpmcenable;
3148 brdp->disable = stli_ecpmcdisable;
3149 brdp->getmemptr = stli_ecpmcgetmemptr;
3150 brdp->intr = stli_ecpintr;
3151 brdp->reset = stli_ecpmcreset;
3159 * The per-board operations structure is all setup, so now lets go
3160 * and get the board operational. Firstly initialize board configuration
3166 * Now that all specific code is set up, enable the shared memory and
3167 * look for the a signature area that will tell us exactly what board
3168 * this is, and what it is connected to it.
3171 sigsp = (cdkecpsig_t *) EBRDGETMEMPTR(brdp, CDK_SIGADDR);
3172 bcopy(sigsp, &sig, sizeof(cdkecpsig_t));
3176 printf("%s(%d): sig-> magic=%x rom=%x panel=%x,%x,%x,%x,%x,%x,%x,%x\n",
3177 __file__, __LINE__, (int) sig.magic, sig.romver,
3178 sig.panelid[0], (int) sig.panelid[1], (int) sig.panelid[2],
3179 (int) sig.panelid[3], (int) sig.panelid[4],
3180 (int) sig.panelid[5], (int) sig.panelid[6],
3181 (int) sig.panelid[7]);
3184 if (sig.magic != ECP_MAGIC)
3188 * Scan through the signature looking at the panels connected to the
3189 * board. Calculate the total number of ports as we go.
3191 for (panelnr = 0, nxtid = 0; (panelnr < STL_MAXPANELS); panelnr++) {
3192 status = sig.panelid[nxtid];
3193 if ((status & ECH_PNLIDMASK) != nxtid)
3195 brdp->panelids[panelnr] = status;
3196 if (status & ECH_PNL16PORT) {
3197 brdp->panels[panelnr] = 16;
3198 brdp->nrports += 16;
3201 brdp->panels[panelnr] = 8;
3208 brdp->state |= BST_FOUND;
3212 /*****************************************************************************/
3215 * Try to find an ONboard, Brumby or Stallion board and initialize it.
3216 * This handles only these board types.
3219 static int stli_initonb(stlibrd_t *brdp)
3226 printf("stli_initonb(brdp=%x)\n", (int) brdp);
3230 * Do a basic sanity check on the IO and memory addresses.
3232 if ((brdp->iobase == 0) || (brdp->paddr == 0))
3236 * Based on the specific board type setup the common vars to access
3237 * and enable shared memory. Set all board specific information now
3240 switch (brdp->brdtype) {
3244 case BRD_ONBOARD2_32:
3246 brdp->memsize = ONB_MEMSIZE;
3247 brdp->pagesize = ONB_ATPAGESIZE;
3248 brdp->init = stli_onbinit;
3249 brdp->enable = stli_onbenable;
3250 brdp->reenable = stli_onbenable;
3251 brdp->disable = stli_onbdisable;
3252 brdp->getmemptr = stli_onbgetmemptr;
3253 brdp->intr = stli_ecpintr;
3254 brdp->reset = stli_onbreset;
3255 brdp->confbits = (brdp->paddr > 0x100000) ? ONB_HIMEMENAB : 0;
3259 brdp->memsize = ONB_EIMEMSIZE;
3260 brdp->pagesize = ONB_EIPAGESIZE;
3261 brdp->init = stli_onbeinit;
3262 brdp->enable = stli_onbeenable;
3263 brdp->reenable = stli_onbeenable;
3264 brdp->disable = stli_onbedisable;
3265 brdp->getmemptr = stli_onbegetmemptr;
3266 brdp->intr = stli_ecpintr;
3267 brdp->reset = stli_onbereset;
3273 brdp->memsize = BBY_MEMSIZE;
3274 brdp->pagesize = BBY_PAGESIZE;
3275 brdp->init = stli_bbyinit;
3276 brdp->enable = NULL;
3277 brdp->reenable = NULL;
3278 brdp->disable = NULL;
3279 brdp->getmemptr = stli_bbygetmemptr;
3280 brdp->intr = stli_ecpintr;
3281 brdp->reset = stli_bbyreset;
3285 brdp->memsize = STAL_MEMSIZE;
3286 brdp->pagesize = STAL_PAGESIZE;
3287 brdp->init = stli_stalinit;
3288 brdp->enable = NULL;
3289 brdp->reenable = NULL;
3290 brdp->disable = NULL;
3291 brdp->getmemptr = stli_stalgetmemptr;
3292 brdp->intr = stli_ecpintr;
3293 brdp->reset = stli_stalreset;
3301 * The per-board operations structure is all setup, so now lets go
3302 * and get the board operational. Firstly initialize board configuration
3308 * Now that all specific code is set up, enable the shared memory and
3309 * look for the a signature area that will tell us exactly what board
3310 * this is, and how many ports.
3313 sigsp = (cdkonbsig_t *) EBRDGETMEMPTR(brdp, CDK_SIGADDR);
3314 bcopy(sigsp, &sig, sizeof(cdkonbsig_t));
3318 printf("%s(%d): sig-> magic=%x:%x:%x:%x romver=%x amask=%x:%x:%x\n",
3319 __file__, __LINE__, sig.magic0, sig.magic1, sig.magic2,
3320 sig.magic3, sig.romver, sig.amask0, sig.amask1, sig.amask2);
3323 if ((sig.magic0 != ONB_MAGIC0) || (sig.magic1 != ONB_MAGIC1) ||
3324 (sig.magic2 != ONB_MAGIC2) || (sig.magic3 != ONB_MAGIC3))
3328 * Scan through the signature alive mask and calculate how many ports
3329 * there are on this board.
3335 for (i = 0; (i < 16); i++) {
3336 if (((sig.amask0 << i) & 0x8000) == 0)
3341 brdp->panels[0] = brdp->nrports;
3343 brdp->state |= BST_FOUND;
3347 /*****************************************************************************/
3350 * Start up a running board. This routine is only called after the
3351 * code has been down loaded to the board and is operational. It will
3352 * read in the memory map, and get the show on the road...
3355 static int stli_startbrd(stlibrd_t *brdp)
3357 volatile cdkhdr_t *hdrp;
3358 volatile cdkmem_t *memp;
3359 volatile cdkasy_t *ap;
3361 int portnr, nrdevs, i, rc;
3364 printf("stli_startbrd(brdp=%x)\n", (int) brdp);
3371 hdrp = (volatile cdkhdr_t *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
3372 nrdevs = hdrp->nrdevs;
3375 printf("%s(%d): CDK version %d.%d.%d --> nrdevs=%d memp=%x hostp=%x "
3376 "slavep=%x\n", __file__, __LINE__, hdrp->ver_release,
3377 hdrp->ver_modification, hdrp->ver_fix, nrdevs,
3378 (int) hdrp->memp, (int) hdrp->hostp, (int) hdrp->slavep);
3381 if (nrdevs < (brdp->nrports + 1)) {
3382 printf("STALLION: slave failed to allocate memory for all "
3383 "devices, devices=%d\n", nrdevs);
3384 brdp->nrports = nrdevs - 1;
3386 brdp->nrdevs = nrdevs;
3387 brdp->hostoffset = hdrp->hostp - CDK_CDKADDR;
3388 brdp->slaveoffset = hdrp->slavep - CDK_CDKADDR;
3389 brdp->bitsize = (nrdevs + 7) / 8;
3390 memp = (volatile cdkmem_t *) (void *) (uintptr_t) hdrp->memp;
3391 if ((uintptr_t)(volatile void *)memp > brdp->memsize) {
3392 printf("STALLION: corrupted shared memory region?\n");
3394 goto stli_donestartup;
3396 memp = (volatile cdkmem_t *) EBRDGETMEMPTR(brdp,
3397 (uintptr_t)(volatile void *)memp);
3398 if (memp->dtype != TYP_ASYNCTRL) {
3399 printf("STALLION: no slave control device found\n");
3401 goto stli_donestartup;
3406 * Cycle through memory allocation of each port. We are guaranteed to
3407 * have all ports inside the first page of slave window, so no need to
3408 * change pages while reading memory map.
3410 for (i = 1, portnr = 0; (i < nrdevs); i++, portnr++, memp++) {
3411 if (memp->dtype != TYP_ASYNC)
3413 portp = brdp->ports[portnr];
3414 if (portp == (stliport_t *) NULL)
3417 portp->addr = memp->offset;
3418 portp->reqidx = (unsigned char) (i * 8 / nrdevs);
3419 portp->reqbit = (unsigned char) (0x1 << portp->reqidx);
3420 portp->portidx = (unsigned char) (i / 8);
3421 portp->portbit = (unsigned char) (0x1 << (i % 8));
3424 hdrp->slavereq = 0xff;
3427 * For each port setup a local copy of the RX and TX buffer offsets
3428 * and sizes. We do this separate from the above, because we need to
3429 * move the shared memory page...
3431 for (i = 1, portnr = 0; (i < nrdevs); i++, portnr++) {
3432 portp = brdp->ports[portnr];
3433 if (portp == (stliport_t *) NULL)
3435 if (portp->addr == 0)
3437 ap = (volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr);
3438 if (ap != (volatile cdkasy_t *) NULL) {
3439 portp->rxsize = ap->rxq.size;
3440 portp->txsize = ap->txq.size;
3441 portp->rxoffset = ap->rxq.offset;
3442 portp->txoffset = ap->txq.offset;
3451 brdp->state |= BST_STARTED;
3453 if (stli_doingtimeout == 0) {
3454 stli_doingtimeout++;
3455 callout_init(&stli_poll_ch);
3456 callout_reset(&stli_poll_ch, 1, stli_poll, NULL);
3462 /*****************************************************************************/
3465 * Probe and initialize the specified board.
3468 static int stli_brdinit(stlibrd_t *brdp)
3471 printf("stli_brdinit(brdp=%x)\n", (int) brdp);
3474 stli_brds[brdp->brdnr] = brdp;
3476 switch (brdp->brdtype) {
3486 case BRD_ONBOARD2_32:
3498 printf("STALLION: %s board type not supported in this driver\n",
3499 stli_brdnames[brdp->brdtype]);
3502 printf("STALLION: unit=%d is unknown board type=%d\n",
3503 brdp->brdnr, brdp->brdtype);
3510 /*****************************************************************************/
3513 * Finish off the remaining initialization for a board.
3516 static int stli_brdattach(stlibrd_t *brdp)
3519 printf("stli_brdattach(brdp=%x)\n", (int) brdp);
3523 if ((brdp->state & BST_FOUND) == 0) {
3524 printf("STALLION: %s board not found, unit=%d io=%x mem=%x\n",
3525 stli_brdnames[brdp->brdtype], brdp->brdnr,
3526 brdp->iobase, (int) brdp->paddr);
3531 stli_initports(brdp);
3532 printf("stli%d: %s (driver version %s), unit=%d nrpanels=%d "
3533 "nrports=%d\n", brdp->unitid, stli_brdnames[brdp->brdtype],
3534 stli_drvversion, brdp->brdnr, brdp->nrpanels, brdp->nrports);
3535 cdevsw_add(&stli_cdevsw, -1, brdp->unitid);
3539 /*****************************************************************************/
3541 /*****************************************************************************/
3544 * Return the board stats structure to user app.
3547 static int stli_getbrdstats(caddr_t data)
3553 printf("stli_getbrdstats(data=%p)\n", (void *) data);
3556 stli_brdstats = *((combrd_t *) data);
3557 if (stli_brdstats.brd >= STL_MAXBRDS)
3559 brdp = stli_brds[stli_brdstats.brd];
3560 if (brdp == (stlibrd_t *) NULL)
3563 bzero(&stli_brdstats, sizeof(combrd_t));
3564 stli_brdstats.brd = brdp->brdnr;
3565 stli_brdstats.type = brdp->brdtype;
3566 stli_brdstats.hwid = 0;
3567 stli_brdstats.state = brdp->state;
3568 stli_brdstats.ioaddr = brdp->iobase;
3569 stli_brdstats.memaddr = brdp->paddr;
3570 stli_brdstats.nrpanels = brdp->nrpanels;
3571 stli_brdstats.nrports = brdp->nrports;
3572 for (i = 0; (i < brdp->nrpanels); i++) {
3573 stli_brdstats.panels[i].panel = i;
3574 stli_brdstats.panels[i].hwid = brdp->panelids[i];
3575 stli_brdstats.panels[i].nrports = brdp->panels[i];
3578 *((combrd_t *) data) = stli_brdstats;
3582 /*****************************************************************************/
3585 * Resolve the referenced port number into a port struct pointer.
3588 static stliport_t *stli_getport(int brdnr, int panelnr, int portnr)
3593 if ((brdnr < 0) || (brdnr >= STL_MAXBRDS))
3594 return((stliport_t *) NULL);
3595 brdp = stli_brds[brdnr];
3596 if (brdp == (stlibrd_t *) NULL)
3597 return((stliport_t *) NULL);
3598 for (i = 0; (i < panelnr); i++)
3599 portnr += brdp->panels[i];
3600 if ((portnr < 0) || (portnr >= brdp->nrports))
3601 return((stliport_t *) NULL);
3602 return(brdp->ports[portnr]);
3605 /*****************************************************************************/
3608 * Return the port stats structure to user app. A NULL port struct
3609 * pointer passed in means that we need to find out from the app
3610 * what port to get stats for (used through board control device).
3613 static int stli_getportstats(stliport_t *portp, caddr_t data)
3618 if (portp == (stliport_t *) NULL) {
3619 stli_comstats = *((comstats_t *) data);
3620 portp = stli_getport(stli_comstats.brd, stli_comstats.panel,
3621 stli_comstats.port);
3622 if (portp == (stliport_t *) NULL)
3626 brdp = stli_brds[portp->brdnr];
3627 if (brdp == (stlibrd_t *) NULL)
3630 if (brdp->state & BST_STARTED) {
3631 if ((rc = stli_cmdwait(brdp, portp, A_GETSTATS, &stli_cdkstats,
3632 sizeof(asystats_t), 1)) < 0)
3635 bzero(&stli_cdkstats, sizeof(asystats_t));
3638 stli_comstats.brd = portp->brdnr;
3639 stli_comstats.panel = portp->panelnr;
3640 stli_comstats.port = portp->portnr;
3641 stli_comstats.state = portp->state;
3642 /*stli_comstats.flags = portp->flags;*/
3643 stli_comstats.ttystate = portp->tty.t_state;
3644 stli_comstats.cflags = portp->tty.t_cflag;
3645 stli_comstats.iflags = portp->tty.t_iflag;
3646 stli_comstats.oflags = portp->tty.t_oflag;
3647 stli_comstats.lflags = portp->tty.t_lflag;
3649 stli_comstats.txtotal = stli_cdkstats.txchars;
3650 stli_comstats.rxtotal = stli_cdkstats.rxchars + stli_cdkstats.ringover;
3651 stli_comstats.txbuffered = stli_cdkstats.txringq;
3652 stli_comstats.rxbuffered = stli_cdkstats.rxringq;
3653 stli_comstats.rxoverrun = stli_cdkstats.overruns;
3654 stli_comstats.rxparity = stli_cdkstats.parity;
3655 stli_comstats.rxframing = stli_cdkstats.framing;
3656 stli_comstats.rxlost = stli_cdkstats.ringover + portp->rxlost;
3657 stli_comstats.rxbreaks = stli_cdkstats.rxbreaks;
3658 stli_comstats.txbreaks = stli_cdkstats.txbreaks;
3659 stli_comstats.txxon = stli_cdkstats.txstart;
3660 stli_comstats.txxoff = stli_cdkstats.txstop;
3661 stli_comstats.rxxon = stli_cdkstats.rxstart;
3662 stli_comstats.rxxoff = stli_cdkstats.rxstop;
3663 stli_comstats.rxrtsoff = stli_cdkstats.rtscnt / 2;
3664 stli_comstats.rxrtson = stli_cdkstats.rtscnt - stli_comstats.rxrtsoff;
3665 stli_comstats.modem = stli_cdkstats.dcdcnt;
3666 stli_comstats.hwid = stli_cdkstats.hwid;
3667 stli_comstats.signals = stli_mktiocm(stli_cdkstats.signals);
3669 *((comstats_t *) data) = stli_comstats;;
3673 /*****************************************************************************/
3676 * Clear the port stats structure. We also return it zeroed out...
3679 static int stli_clrportstats(stliport_t *portp, caddr_t data)
3684 if (portp == (stliport_t *) NULL) {
3685 stli_comstats = *((comstats_t *) data);
3686 portp = stli_getport(stli_comstats.brd, stli_comstats.panel,
3687 stli_comstats.port);
3688 if (portp == (stliport_t *) NULL)
3692 brdp = stli_brds[portp->brdnr];
3693 if (brdp == (stlibrd_t *) NULL)
3696 if ((rc = stli_cmdwait(brdp, portp, A_CLEARSTATS, 0, 0, 0)) < 0)
3700 bzero(&stli_comstats, sizeof(comstats_t));
3701 stli_comstats.brd = portp->brdnr;
3702 stli_comstats.panel = portp->panelnr;
3703 stli_comstats.port = portp->portnr;
3705 *((comstats_t *) data) = stli_comstats;;
3709 /*****************************************************************************/
3712 * Code to handle an "staliomem" read and write operations. This device
3713 * is the contents of the board shared memory. It is used for down
3714 * loading the slave image (and debugging :-)
3717 STATIC int stli_memrw(dev_t dev, struct uio *uiop, int flag)
3721 int brdnr, size, n, error;
3724 printf("stli_memrw(dev=%x,uiop=%x,flag=%x)\n", (int) dev,
3728 brdnr = minor(dev) & 0x7;
3729 brdp = stli_brds[brdnr];
3730 if (brdp == (stlibrd_t *) NULL)
3732 if (brdp->state == 0)
3735 if (uiop->uio_offset >= brdp->memsize)
3739 size = brdp->memsize - uiop->uio_offset;
3744 memptr = (void *) EBRDGETMEMPTR(brdp, uiop->uio_offset);
3745 n = MIN(size, (brdp->pagesize -
3746 (((unsigned long) uiop->uio_offset) % brdp->pagesize)));
3747 error = uiomove(memptr, n, uiop);
3748 if ((uiop->uio_resid == 0) || error)
3757 /*****************************************************************************/
3760 * The "staliomem" device is also required to do some special operations
3761 * on the board. We need to be able to send an interrupt to the board,
3762 * reset it, and start/stop it.
3765 static int stli_memioctl(dev_t dev, unsigned long cmd, caddr_t data, int flag,
3772 printf("stli_memioctl(dev=%s,cmd=%lx,data=%p,flag=%x)\n",
3773 devtoname(dev), cmd, (void *) data, flag);
3777 * Handle board independant ioctls first.
3780 case COM_GETPORTSTATS:
3781 return(stli_getportstats((stliport_t *) NULL, data));
3783 case COM_CLRPORTSTATS:
3784 return(stli_clrportstats((stliport_t *) NULL, data));
3786 case COM_GETBRDSTATS:
3787 return(stli_getbrdstats(data));
3794 * Handle board dependant ioctls now.
3796 brdnr = minor(dev) & 0x7;
3797 brdp = stli_brds[brdnr];
3798 if (brdp == (stlibrd_t *) NULL)
3800 if (brdp->state == 0)
3810 rc = stli_startbrd(brdp);
3813 brdp->state &= ~BST_STARTED;
3816 brdp->state &= ~BST_STARTED;
3818 if (stli_shared == 0) {
3819 if (brdp->reenable != NULL)
3820 (* brdp->reenable)(brdp);
3823 case COM_GETPORTSTATS:
3824 rc = stli_getportstats((stliport_t *) NULL, data);
3826 case COM_CLRPORTSTATS:
3827 rc = stli_clrportstats((stliport_t *) NULL, data);
3829 case COM_GETBRDSTATS:
3830 rc = stli_getbrdstats(data);
3840 /*****************************************************************************/