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 1.23 2008/08/02 01:14:43 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>
54 #include <sys/fcntl.h>
56 #include <sys/thread2.h>
57 #include <machine/clock.h>
60 #include <bus/isa/isa_device.h>
61 #include <machine/cdk.h>
62 #include <machine/comstats.h>
66 /*****************************************************************************/
69 * Define the version level of the kernel - so we can compile in the
70 * appropriate bits of code. By default this will compile for a 2.1
81 /*****************************************************************************/
84 * Define different board types. Not all of the following board types
85 * are supported by this driver. But I will use the standard "assigned"
86 * board numbers. Currently supported boards are abbreviated as:
87 * ECP = EasyConnection 8/64, ONB = ONboard, BBY = Brumby and
91 #define BRD_STALLION 1
93 #define BRD_ONBOARD2 3
96 #define BRD_BRUMBY16 6
97 #define BRD_ONBOARDE 7
98 #define BRD_ONBOARD32 9
99 #define BRD_ONBOARD2_32 10
100 #define BRD_ONBOARDRS 11
101 #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.
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 and EISA.
340 #define ECP_MEMSIZE (128 * 1024)
341 #define ECP_ATPAGESIZE (4 * 1024)
342 #define ECP_EIPAGESIZE (64 * 1024)
344 #define STL_EISAID 0x8c4e
347 * Important defines for the ISA class of ECP board.
350 #define ECP_ATCONFR 1
351 #define ECP_ATMEMAR 2
352 #define ECP_ATMEMPR 3
353 #define ECP_ATSTOP 0x1
354 #define ECP_ATINTENAB 0x10
355 #define ECP_ATENABLE 0x20
356 #define ECP_ATDISABLE 0x00
357 #define ECP_ATADDRMASK 0x3f000
358 #define ECP_ATADDRSHFT 12
361 * Important defines for the EISA class of ECP board.
364 #define ECP_EIMEMARL 1
365 #define ECP_EICONFR 2
366 #define ECP_EIMEMARH 3
367 #define ECP_EIENABLE 0x1
368 #define ECP_EIDISABLE 0x0
369 #define ECP_EISTOP 0x4
370 #define ECP_EIEDGE 0x00
371 #define ECP_EILEVEL 0x80
372 #define ECP_EIADDRMASKL 0x00ff0000
373 #define ECP_EIADDRSHFTL 16
374 #define ECP_EIADDRMASKH 0xff000000
375 #define ECP_EIADDRSHFTH 24
376 #define ECP_EIBRDENAB 0xc84
378 #define ECP_EISAID 0x4
381 * Important defines for the Micro-channel class of ECP board.
382 * (It has a lot in common with the ISA boards.)
385 #define ECP_MCCONFR 1
386 #define ECP_MCSTOP 0x20
387 #define ECP_MCENABLE 0x80
388 #define ECP_MCDISABLE 0x00
391 * Hardware configuration info for ONboard and Brumby boards. These
392 * defines apply to the directly accessable io ports of these boards.
394 #define ONB_IOSIZE 16
395 #define ONB_MEMSIZE (64 * 1024)
396 #define ONB_ATPAGESIZE (64 * 1024)
397 #define ONB_MCPAGESIZE (64 * 1024)
398 #define ONB_EIMEMSIZE (128 * 1024)
399 #define ONB_EIPAGESIZE (64 * 1024)
402 * Important defines for the ISA class of ONboard board.
405 #define ONB_ATMEMAR 1
406 #define ONB_ATCONFR 2
407 #define ONB_ATSTOP 0x4
408 #define ONB_ATENABLE 0x01
409 #define ONB_ATDISABLE 0x00
410 #define ONB_ATADDRMASK 0xff0000
411 #define ONB_ATADDRSHFT 16
413 #define ONB_HIMEMENAB 0x02
416 * Important defines for the EISA class of ONboard board.
419 #define ONB_EIMEMARL 1
420 #define ONB_EICONFR 2
421 #define ONB_EIMEMARH 3
422 #define ONB_EIENABLE 0x1
423 #define ONB_EIDISABLE 0x0
424 #define ONB_EISTOP 0x4
425 #define ONB_EIEDGE 0x00
426 #define ONB_EILEVEL 0x80
427 #define ONB_EIADDRMASKL 0x00ff0000
428 #define ONB_EIADDRSHFTL 16
429 #define ONB_EIADDRMASKH 0xff000000
430 #define ONB_EIADDRSHFTH 24
431 #define ONB_EIBRDENAB 0xc84
433 #define ONB_EISAID 0x1
436 * Important defines for the Brumby boards. They are pretty simple,
437 * there is not much that is programmably configurable.
439 #define BBY_IOSIZE 16
440 #define BBY_MEMSIZE (64 * 1024)
441 #define BBY_PAGESIZE (16 * 1024)
444 #define BBY_ATCONFR 1
445 #define BBY_ATSTOP 0x4
448 * Important defines for the Stallion boards. They are pretty simple,
449 * there is not much that is programmably configurable.
451 #define STAL_IOSIZE 16
452 #define STAL_MEMSIZE (64 * 1024)
453 #define STAL_PAGESIZE (64 * 1024)
456 * Define the set of status register values for EasyConnection panels.
457 * The signature will return with the status value for each panel. From
458 * this we can determine what is attached to the board - before we have
459 * actually down loaded any code to it.
461 #define ECH_PNLSTATUS 2
462 #define ECH_PNL16PORT 0x20
463 #define ECH_PNLIDMASK 0x07
464 #define ECH_PNLXPID 0x40
465 #define ECH_PNLINTRPEND 0x80
468 * Define some macros to do things to the board. Even those these boards
469 * are somewhat related there is often significantly different ways of
470 * doing some operation on it (like enable, paging, reset, etc). So each
471 * board class has a set of functions which do the commonly required
472 * operations. The macros below basically just call these functions,
473 * generally checking for a NULL function - which means that the board
474 * needs nothing done to it to achieve this operation!
476 #define EBRDINIT(brdp) \
477 if (brdp->init != NULL) \
480 #define EBRDENABLE(brdp) \
481 if (brdp->enable != NULL) \
482 (* brdp->enable)(brdp);
484 #define EBRDDISABLE(brdp) \
485 if (brdp->disable != NULL) \
486 (* brdp->disable)(brdp);
488 #define EBRDINTR(brdp) \
489 if (brdp->intr != NULL) \
490 (* brdp->intr)(brdp);
492 #define EBRDRESET(brdp) \
493 if (brdp->reset != NULL) \
494 (* brdp->reset)(brdp);
496 #define EBRDGETMEMPTR(brdp,offset) \
497 (* brdp->getmemptr)(brdp, offset, __LINE__)
500 * Define the maximal baud rate.
502 #define STL_MAXBAUD 230400
504 /*****************************************************************************/
507 * Define macros to extract a brd and port number from a minor number.
508 * This uses the extended minor number range in the upper 2 bytes of
509 * the device number. This gives us plenty of minor numbers to play
512 #define MKDEV2BRD(m) ((minor(m) & 0x00700000) >> 20)
513 #define MKDEV2PORT(m) ((minor(m) & 0x1f) | ((minor(m) & 0x00010000) >> 11))
516 * Define some handy local macros...
519 #define MIN(a,b) (((a) <= (b)) ? (a) : (b))
522 /*****************************************************************************/
525 * Declare all those functions in this driver! First up is the set of
526 * externally visible functions.
528 static int stliprobe(struct isa_device *idp);
529 static int stliattach(struct isa_device *idp);
531 STATIC d_open_t stliopen;
532 STATIC d_close_t stliclose;
533 STATIC d_read_t stliread;
534 STATIC d_write_t stliwrite;
535 STATIC d_ioctl_t stliioctl;
538 * Internal function prototypes.
540 static stliport_t *stli_dev2port(cdev_t dev);
541 static int stli_isaprobe(struct isa_device *idp);
542 static int stli_eisaprobe(struct isa_device *idp);
543 static int stli_brdinit(stlibrd_t *brdp);
544 static int stli_brdattach(stlibrd_t *brdp);
545 static int stli_initecp(stlibrd_t *brdp);
546 static int stli_initonb(stlibrd_t *brdp);
547 static int stli_initports(stlibrd_t *brdp);
548 static int stli_startbrd(stlibrd_t *brdp);
549 static void stli_poll(void *arg);
550 static __inline void stli_brdpoll(stlibrd_t *brdp, volatile cdkhdr_t *hdrp);
551 static __inline int stli_hostcmd(stlibrd_t *brdp, stliport_t *portp);
552 static __inline void stli_dodelaycmd(stliport_t *portp,
553 volatile cdkctrl_t *cp);
554 static void stli_mkasysigs(asysigs_t *sp, int dtr, int rts);
555 static long stli_mktiocm(unsigned long sigvalue);
556 static void stli_rxprocess(stlibrd_t *brdp, stliport_t *portp);
557 static void stli_flush(stliport_t *portp, int flag);
558 static void stli_start(struct tty *tp);
559 static void stli_stop(struct tty *tp, int rw);
560 static int stli_param(struct tty *tp, struct termios *tiosp);
561 static void stli_ttyoptim(stliport_t *portp, struct termios *tiosp);
562 static void stli_dtrwakeup(void *arg);
563 static int stli_initopen(stliport_t *portp);
564 static int stli_shutdownclose(stliport_t *portp);
565 static int stli_rawopen(stlibrd_t *brdp, stliport_t *portp,
566 unsigned long arg, int wait);
567 static int stli_rawclose(stlibrd_t *brdp, stliport_t *portp,
568 unsigned long arg, int wait);
569 static int stli_cmdwait(stlibrd_t *brdp, stliport_t *portp,
570 unsigned long cmd, void *arg, int size, int copyback);
571 static void stli_sendcmd(stlibrd_t *brdp, stliport_t *portp,
572 unsigned long cmd, void *arg, int size, int copyback);
573 static void stli_mkasyport(stliport_t *portp, asyport_t *pp,
574 struct termios *tiosp);
575 static int stli_memrw(cdev_t dev, struct uio *uiop, int flag);
576 static int stli_memioctl(cdev_t dev, unsigned long cmd, caddr_t data,
578 static int stli_getbrdstats(caddr_t data);
579 static int stli_getportstats(stliport_t *portp, caddr_t data);
580 static int stli_clrportstats(stliport_t *portp, caddr_t data);
581 static stliport_t *stli_getport(int brdnr, int panelnr, int portnr);
583 static void stli_ecpinit(stlibrd_t *brdp);
584 static void stli_ecpenable(stlibrd_t *brdp);
585 static void stli_ecpdisable(stlibrd_t *brdp);
586 static void stli_ecpreset(stlibrd_t *brdp);
587 static char *stli_ecpgetmemptr(stlibrd_t *brdp, unsigned long offset,
589 static void stli_ecpintr(stlibrd_t *brdp);
590 static void stli_ecpeiinit(stlibrd_t *brdp);
591 static void stli_ecpeienable(stlibrd_t *brdp);
592 static void stli_ecpeidisable(stlibrd_t *brdp);
593 static void stli_ecpeireset(stlibrd_t *brdp);
594 static char *stli_ecpeigetmemptr(stlibrd_t *brdp, unsigned long offset,
596 static void stli_onbinit(stlibrd_t *brdp);
597 static void stli_onbenable(stlibrd_t *brdp);
598 static void stli_onbdisable(stlibrd_t *brdp);
599 static void stli_onbreset(stlibrd_t *brdp);
600 static char *stli_onbgetmemptr(stlibrd_t *brdp, unsigned long offset,
602 static void stli_onbeinit(stlibrd_t *brdp);
603 static void stli_onbeenable(stlibrd_t *brdp);
604 static void stli_onbedisable(stlibrd_t *brdp);
605 static void stli_onbereset(stlibrd_t *brdp);
606 static char *stli_onbegetmemptr(stlibrd_t *brdp, unsigned long offset,
608 static void stli_bbyinit(stlibrd_t *brdp);
609 static void stli_bbyreset(stlibrd_t *brdp);
610 static char *stli_bbygetmemptr(stlibrd_t *brdp, unsigned long offset,
612 static void stli_stalinit(stlibrd_t *brdp);
613 static void stli_stalreset(stlibrd_t *brdp);
614 static char *stli_stalgetmemptr(stlibrd_t *brdp, unsigned long offset,
617 /*****************************************************************************/
620 * Declare the driver isa structure.
622 struct isa_driver stlidriver = {
623 stliprobe, stliattach, stli_drvname
626 /*****************************************************************************/
631 * FreeBSD-2.2+ kernel linkage.
634 #define CDEV_MAJOR 75
635 static struct dev_ops stli_ops = {
636 { stli_drvname, CDEV_MAJOR, D_TTY | D_KQFILTER },
638 .d_close = stliclose,
640 .d_write = stliwrite,
641 .d_ioctl = stliioctl,
642 .d_kqfilter = ttykqfilter,
643 .d_revoke = ttyrevoke
648 /*****************************************************************************/
650 static stlibrd_t *stli_brdalloc(void)
654 brdp = kmalloc(sizeof(stlibrd_t), M_TTYS, M_WAITOK | M_ZERO);
658 /*****************************************************************************/
661 * Find an available internal board number (unit number). The problem
662 * is that the same unit numbers can be assigned to different class
663 * boards - but we only want to maintain one setup board structures.
666 static int stli_findfreeunit(void)
670 for (i = 0; (i < STL_MAXBRDS); i++)
671 if (stli_brds[i] == NULL)
673 return((i >= STL_MAXBRDS) ? -1 : i);
676 /*****************************************************************************/
679 * Try and determine the ISA board type. Hopefully the board
680 * configuration entry will help us out, using the flags field.
681 * If not, we may ne be able to determine the board type...
684 static int stli_isaprobe(struct isa_device *idp)
689 kprintf("stli_isaprobe(idp=%x): unit=%d iobase=%x flags=%x\n",
690 (int) idp, idp->id_unit, idp->id_iobase, idp->id_flags);
693 switch (idp->id_flags) {
701 btype = idp->id_flags;
710 /*****************************************************************************/
713 * Probe for an EISA board type. We should be able to read the EISA ID,
714 * that will tell us if a board is present or not...
717 static int stli_eisaprobe(struct isa_device *idp)
722 kprintf("stli_eisaprobe(idp=%x): unit=%d iobase=%x flags=%x\n",
723 (int) idp, idp->id_unit, idp->id_iobase, idp->id_flags);
727 * Firstly check if this is an EISA system. Do this by probing for
728 * the system board EISA ID. If this is not an EISA system then
729 * don't bother going any further!
732 if (inb(0xc80) == 0xff)
736 * Try and read the EISA ID from the board at specified address.
737 * If one is present it will tell us the board type as well.
739 outb((idp->id_iobase + 0xc80), 0xff);
740 eid = inb(idp->id_iobase + 0xc80);
741 eid |= inb(idp->id_iobase + 0xc81) << 8;
742 if (eid != STL_EISAID)
746 eid = inb(idp->id_iobase + 0xc82);
747 if (eid == ECP_EISAID)
749 else if (eid == ONB_EISAID)
750 btype = BRD_ONBOARDE;
752 outb((idp->id_iobase + 0xc84), 0x1);
756 /*****************************************************************************/
759 * Probe for a board. This is involved, since we need to enable the
760 * shared memory region to see if the board is really there or not...
763 static int stliprobe(struct isa_device *idp)
769 kprintf("stliprobe(idp=%x): unit=%d iobase=%x flags=%x\n", (int) idp,
770 idp->id_unit, idp->id_iobase, idp->id_flags);
773 if (idp->id_unit > STL_MAXBRDS)
777 * First up determine what bus type of board we might be dealing
778 * with. It is easy to separate out the ISA from the EISA
779 * boards, based on their IO addresses.
782 if ((idp->id_iobase > 0) && (idp->id_iobase < 0x400))
784 else if ((idp->id_iobase & ~0xf000) == 0)
787 if ((bclass == 0) || (idp->id_iobase == 0))
791 * Based on the board bus type, try and figure out what it might be...
794 if (bclass & BRD_ISA)
795 btype = stli_isaprobe(idp);
796 if ((btype == 0) && (bclass & BRD_EISA))
797 btype = stli_eisaprobe(idp);
802 * Go ahead and try probing for the shared memory region now.
803 * This way we will really know if the board is here...
805 if ((brdp = stli_brdalloc()) == NULL)
808 brdp->brdnr = stli_findfreeunit();
809 brdp->brdtype = btype;
810 brdp->unitid = idp->id_unit;
811 brdp->iobase = idp->id_iobase;
812 brdp->vaddr = idp->id_maddr;
813 brdp->paddr = vtophys(idp->id_maddr);
816 kprintf("%s(%d): btype=%x unit=%d brd=%d io=%x mem=%lx(%p)\n",
817 __file__, __LINE__, btype, brdp->unitid, brdp->brdnr,
818 brdp->iobase, brdp->paddr, (void *) brdp->vaddr);
821 stli_stliprobed[idp->id_unit] = brdp->brdnr;
823 if ((brdp->state & BST_FOUND) == 0) {
824 stli_brds[brdp->brdnr] = NULL;
831 /*****************************************************************************/
834 * Allocate resources for and initialize a board.
837 static int stliattach(struct isa_device *idp)
843 kprintf("stliattach(idp=%p): unit=%d iobase=%x\n", (void *) idp,
844 idp->id_unit, idp->id_iobase);
847 brdnr = stli_stliprobed[idp->id_unit];
848 brdp = stli_brds[brdnr];
851 if (brdp->state & BST_FOUND)
852 stli_brdattach(brdp);
857 /*****************************************************************************/
859 STATIC int stliopen(struct dev_open_args *ap)
861 cdev_t dev = ap->a_head.a_dev;
867 kprintf("stliopen(dev=%x,flag=%x,mode=%x,p=%x)\n", (int) dev, flag,
872 * Firstly check if the supplied device number is a valid device.
874 if (minor(dev) & STL_MEMDEV)
877 portp = stli_dev2port(dev);
880 if (minor(dev) & STL_CTRLDEV)
884 callout = minor(dev) & STL_CALLOUTDEV;
891 * Wait here for the DTR drop timeout period to expire.
893 while (portp->state & ST_DTRWAIT) {
894 error = tsleep(&portp->dtrwait, PCATCH, "stlidtr", 0);
900 * If the port is in its raw hardware initialization phase, then
901 * hold up here 'till it is done.
903 while (portp->state & (ST_INITIALIZING | ST_CLOSING)) {
904 error = tsleep(&portp->state, PCATCH, "stliraw", 0);
910 * We have a valid device, so now we check if it is already open.
911 * If not then initialize the port hardware and set up the tty
912 * struct as required.
914 if ((tp->t_state & TS_ISOPEN) == 0) {
915 tp->t_oproc = stli_start;
916 tp->t_param = stli_param;
917 tp->t_stop = stli_stop;
919 tp->t_termios = callout ? portp->initouttios :
921 stli_initopen(portp);
922 wakeup(&portp->state);
924 if ((portp->sigs & TIOCM_CD) || callout)
925 (*linesw[tp->t_line].l_modem)(tp, 1);
928 if (portp->callout == 0) {
933 if (portp->callout != 0) {
934 if (ap->a_oflags & O_NONBLOCK) {
938 error = tsleep(&portp->callout,
939 PCATCH, "stlicall", 0);
942 goto stliopen_restart;
945 if ((tp->t_state & TS_XCLUDE) &&
946 priv_check_cred(ap->a_cred, PRIV_ROOT, 0)) {
953 * If this port is not the callout device and we do not have carrier
954 * then we need to sleep, waiting for it to be asserted.
956 if (((tp->t_state & TS_CARR_ON) == 0) && !callout &&
957 ((tp->t_cflag & CLOCAL) == 0) &&
958 ((ap->a_oflags & O_NONBLOCK) == 0)) {
960 error = tsleep(TSA_CARR_ON(tp), PCATCH, "stlidcd",0);
964 goto stliopen_restart;
968 * Open the line discipline.
970 error = (*linesw[tp->t_line].l_open)(dev, tp);
971 stli_ttyoptim(portp, &tp->t_termios);
972 if ((tp->t_state & TS_ISOPEN) && callout)
976 * If for any reason we get to here and the port is not actually
977 * open then close of the physical hardware - no point leaving it
978 * active when the open failed...
982 if (((tp->t_state & TS_ISOPEN) == 0) && (portp->waitopens == 0))
983 stli_shutdownclose(portp);
988 /*****************************************************************************/
990 STATIC int stliclose(struct dev_close_args *ap)
992 cdev_t dev = ap->a_head.a_dev;
997 kprintf("stliclose(dev=%s,flag=%x,mode=%x,p=%p)\n",
998 devtoname(dev), flag, mode, (void *) p);
1001 if (minor(dev) & STL_MEMDEV)
1003 if (minor(dev) & STL_CTRLDEV)
1006 portp = stli_dev2port(dev);
1012 (*linesw[tp->t_line].l_close)(tp, ap->a_fflag);
1013 stli_ttyoptim(portp, &tp->t_termios);
1014 stli_shutdownclose(portp);
1021 STATIC int stliread(struct dev_read_args *ap)
1023 cdev_t dev = ap->a_head.a_dev;
1027 kprintf("stliread(dev=%s,uiop=%p,flag=%x)\n", devtoname(dev),
1031 if (minor(dev) & STL_MEMDEV)
1032 return(stli_memrw(dev, ap->a_uio, ap->a_ioflag));
1033 if (minor(dev) & STL_CTRLDEV)
1036 portp = stli_dev2port(dev);
1042 /*****************************************************************************/
1046 STATIC void stli_stop(struct tty *tp, int rw)
1049 kprintf("stli_stop(tp=%x,rw=%x)\n", (int) tp, rw);
1052 stli_flush((stliport_t *) tp, rw);
1057 STATIC int stlistop(struct tty *tp, int rw)
1060 kprintf("stlistop(tp=%x,rw=%x)\n", (int) tp, rw);
1063 stli_flush((stliport_t *) tp, rw);
1069 /*****************************************************************************/
1071 STATIC int stliwrite(struct dev_write_args *ap)
1073 cdev_t dev = ap->a_head.a_dev;
1077 kprintf("stliwrite(dev=%s,uiop=%p,flag=%x)\n", devtoname(dev),
1081 if (minor(dev) & STL_MEMDEV)
1082 return(stli_memrw(dev, ap->a_uio, ap->a_ioflag));
1083 if (minor(dev) & STL_CTRLDEV)
1085 portp = stli_dev2port(dev);
1088 return ttywrite(ap);
1091 /*****************************************************************************/
1093 STATIC int stliioctl(struct dev_ioctl_args *ap)
1095 cdev_t dev = ap->a_head.a_dev;
1096 u_long cmd = ap->a_cmd;
1097 caddr_t data = ap->a_data;
1098 struct termios *newtios, *localtios;
1106 kprintf("stliioctl(dev=%s,cmd=%lx,data=%p,flag=%x,p=%p)\n",
1107 devtoname(dev), cmd, (void *) data, ap->a_fflag, (void *) p);
1110 if (minor(dev) & STL_MEMDEV)
1111 return(stli_memioctl(dev, cmd, data, ap->a_fflag));
1113 portp = stli_dev2port(dev);
1116 if ((brdp = stli_brds[portp->brdnr]) == NULL)
1122 * First up handle ioctls on the control devices.
1124 if (minor(dev) & STL_CTRLDEV) {
1125 if ((minor(dev) & STL_CTRLDEV) == STL_CTRLINIT)
1126 localtios = (minor(dev) & STL_CALLOUTDEV) ?
1127 &portp->initouttios : &portp->initintios;
1128 else if ((minor(dev) & STL_CTRLDEV) == STL_CTRLLOCK)
1129 localtios = (minor(dev) & STL_CALLOUTDEV) ?
1130 &portp->lockouttios : &portp->lockintios;
1136 if ((error = priv_check_cred(ap->a_cred, PRIV_ROOT, 0)) == 0)
1137 *localtios = *((struct termios *) data);
1140 *((struct termios *) data) = *localtios;
1143 *((int *) data) = TTYDISC;
1146 bzero(data, sizeof(struct winsize));
1156 * Deal with 4.3 compatibility issues if we have too...
1158 #if defined(COMPAT_43) || defined(COMPAT_SUNOS)
1160 struct termios tios;
1161 unsigned long oldcmd;
1163 tios = tp->t_termios;
1165 if ((error = ttsetcompat(tp, &cmd, data, &tios)))
1168 data = (caddr_t) &tios;
1173 * Carry out some pre-cmd processing work first...
1174 * Hmmm, not so sure we want this, disable for now...
1176 if ((cmd == TIOCSETA) || (cmd == TIOCSETAW) || (cmd == TIOCSETAF)) {
1177 newtios = (struct termios *) data;
1178 localtios = (minor(dev) & STL_CALLOUTDEV) ? &portp->lockouttios :
1181 newtios->c_iflag = (tp->t_iflag & localtios->c_iflag) |
1182 (newtios->c_iflag & ~localtios->c_iflag);
1183 newtios->c_oflag = (tp->t_oflag & localtios->c_oflag) |
1184 (newtios->c_oflag & ~localtios->c_oflag);
1185 newtios->c_cflag = (tp->t_cflag & localtios->c_cflag) |
1186 (newtios->c_cflag & ~localtios->c_cflag);
1187 newtios->c_lflag = (tp->t_lflag & localtios->c_lflag) |
1188 (newtios->c_lflag & ~localtios->c_lflag);
1189 for (i = 0; (i < NCCS); i++) {
1190 if (localtios->c_cc[i] != 0)
1191 newtios->c_cc[i] = tp->t_cc[i];
1193 if (localtios->c_ispeed != 0)
1194 newtios->c_ispeed = tp->t_ispeed;
1195 if (localtios->c_ospeed != 0)
1196 newtios->c_ospeed = tp->t_ospeed;
1200 * Call the line discipline and the common command processing to
1201 * process this command (if they can).
1203 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data,
1204 ap->a_fflag, ap->a_cred);
1205 if (error != ENOIOCTL)
1209 error = ttioctl(tp, cmd, data, ap->a_fflag);
1210 stli_ttyoptim(portp, &tp->t_termios);
1211 if (error != ENOIOCTL) {
1219 * Process local commands here. These are all commands that only we
1220 * can take care of (they all rely on actually doing something special
1221 * to the actual hardware).
1226 error = stli_cmdwait(brdp, portp, A_BREAK, &arg,
1227 sizeof(unsigned long), 0);
1231 error = stli_cmdwait(brdp, portp, A_BREAK, &arg,
1232 sizeof(unsigned long), 0);
1235 stli_mkasysigs(&portp->asig, 1, -1);
1236 error = stli_cmdwait(brdp, portp, A_SETSIGNALS, &portp->asig,
1237 sizeof(asysigs_t), 0);
1240 stli_mkasysigs(&portp->asig, 0, -1);
1241 error = stli_cmdwait(brdp, portp, A_SETSIGNALS, &portp->asig,
1242 sizeof(asysigs_t), 0);
1245 i = *((int *) data);
1246 stli_mkasysigs(&portp->asig, ((i & TIOCM_DTR) ? 1 : 0),
1247 ((i & TIOCM_RTS) ? 1 : 0));
1248 error = stli_cmdwait(brdp, portp, A_SETSIGNALS, &portp->asig,
1249 sizeof(asysigs_t), 0);
1252 i = *((int *) data);
1253 stli_mkasysigs(&portp->asig, ((i & TIOCM_DTR) ? 1 : -1),
1254 ((i & TIOCM_RTS) ? 1 : -1));
1255 error = stli_cmdwait(brdp, portp, A_SETSIGNALS, &portp->asig,
1256 sizeof(asysigs_t), 0);
1259 i = *((int *) data);
1260 stli_mkasysigs(&portp->asig, ((i & TIOCM_DTR) ? 0 : -1),
1261 ((i & TIOCM_RTS) ? 0 : -1));
1262 error = stli_cmdwait(brdp, portp, A_SETSIGNALS, &portp->asig,
1263 sizeof(asysigs_t), 0);
1266 if ((error = stli_cmdwait(brdp, portp, A_GETSIGNALS,
1267 &portp->asig, sizeof(asysigs_t), 1)) < 0)
1269 portp->sigs = stli_mktiocm(portp->asig.sigvalue);
1270 *((int *) data) = (portp->sigs | TIOCM_LE);
1273 if ((error = priv_check_cred(ap->a_cred, PRIV_ROOT, 0)) == 0)
1274 portp->dtrwait = *((int *) data) * hz / 100;
1277 *((int *) data) = portp->dtrwait * 100 / hz;
1280 portp->dotimestamp = 1;
1281 *((struct timeval *) data) = portp->timestamp;
1284 *((unsigned long *) data) = portp->pflag;
1287 portp->pflag = *((unsigned long *) data);
1288 stli_param(&portp->tty, &portp->tty.t_termios);
1299 /*****************************************************************************/
1302 * Convert the specified minor device number into a port struct
1303 * pointer. Return NULL if the device number is not a valid port.
1306 STATIC stliport_t *stli_dev2port(cdev_t dev)
1310 brdp = stli_brds[MKDEV2BRD(dev)];
1313 if ((brdp->state & BST_STARTED) == 0)
1315 return(brdp->ports[MKDEV2PORT(dev)]);
1318 /*****************************************************************************/
1321 * Carry out first open operations on a port. This involves a number of
1322 * commands to be sent to the slave. We need to open the port, set the
1323 * notification events, set the initial port settings, get and set the
1324 * initial signal values. We sleep and wait in between each one. But
1325 * this still all happens pretty quickly.
1328 static int stli_initopen(stliport_t *portp)
1336 kprintf("stli_initopen(portp=%x)\n", (int) portp);
1339 if ((brdp = stli_brds[portp->brdnr]) == NULL)
1341 if (portp->state & ST_INITIALIZED)
1343 portp->state |= ST_INITIALIZED;
1345 if ((rc = stli_rawopen(brdp, portp, 0, 1)) < 0)
1348 bzero(&nt, sizeof(asynotify_t));
1349 nt.data = (DT_TXLOW | DT_TXEMPTY | DT_RXBUSY | DT_RXBREAK);
1351 if ((rc = stli_cmdwait(brdp, portp, A_SETNOTIFY, &nt,
1352 sizeof(asynotify_t), 0)) < 0)
1355 stli_mkasyport(portp, &aport, &portp->tty.t_termios);
1356 if ((rc = stli_cmdwait(brdp, portp, A_SETPORT, &aport,
1357 sizeof(asyport_t), 0)) < 0)
1360 portp->state |= ST_GETSIGS;
1361 if ((rc = stli_cmdwait(brdp, portp, A_GETSIGNALS, &portp->asig,
1362 sizeof(asysigs_t), 1)) < 0)
1364 if (portp->state & ST_GETSIGS) {
1365 portp->sigs = stli_mktiocm(portp->asig.sigvalue);
1366 portp->state &= ~ST_GETSIGS;
1369 stli_mkasysigs(&portp->asig, 1, 1);
1370 if ((rc = stli_cmdwait(brdp, portp, A_SETSIGNALS, &portp->asig,
1371 sizeof(asysigs_t), 0)) < 0)
1377 /*****************************************************************************/
1380 * Shutdown the hardware of a port.
1383 static int stli_shutdownclose(stliport_t *portp)
1389 kprintf("stli_shutdownclose(portp=%p): brdnr=%d panelnr=%d portnr=%d\n",
1390 (void *) portp, portp->brdnr, portp->panelnr, portp->portnr);
1393 if ((brdp = stli_brds[portp->brdnr]) == NULL)
1397 stli_rawclose(brdp, portp, 0, 0);
1398 stli_flush(portp, (FWRITE | FREAD));
1399 if (tp->t_cflag & HUPCL) {
1401 stli_mkasysigs(&portp->asig, 0, 0);
1402 if (portp->state & ST_CMDING) {
1403 portp->state |= ST_DOSIGS;
1405 stli_sendcmd(brdp, portp, A_SETSIGNALS,
1406 &portp->asig, sizeof(asysigs_t), 0);
1409 if (portp->dtrwait != 0) {
1410 portp->state |= ST_DTRWAIT;
1411 callout_reset(&portp->dtr_ch, portp->dtrwait,
1412 stli_dtrwakeup, portp);
1416 portp->state &= ~ST_INITIALIZED;
1417 wakeup(&portp->callout);
1418 wakeup(TSA_CARR_ON(tp));
1422 /*****************************************************************************/
1425 * Clear the DTR waiting flag, and wake up any sleepers waiting for
1426 * DTR wait period to finish.
1429 static void stli_dtrwakeup(void *arg)
1433 portp = (stliport_t *) arg;
1434 portp->state &= ~ST_DTRWAIT;
1435 wakeup(&portp->dtrwait);
1438 /*****************************************************************************/
1441 * Send an open message to the slave. This will sleep waiting for the
1442 * acknowledgement, so must have user context. We need to co-ordinate
1443 * with close events here, since we don't want open and close events
1447 static int stli_rawopen(stlibrd_t *brdp, stliport_t *portp, unsigned long arg, int wait)
1449 volatile cdkhdr_t *hdrp;
1450 volatile cdkctrl_t *cp;
1451 volatile unsigned char *bits;
1455 kprintf("stli_rawopen(brdp=%x,portp=%x,arg=%x,wait=%d)\n", (int) brdp,
1456 (int) portp, (int) arg, wait);
1462 * Slave is already closing this port. This can happen if a hangup
1463 * occurs on this port. So we must wait until it is complete. The
1464 * order of opens and closes may not be preserved across shared
1465 * memory, so we must wait until it is complete.
1467 while (portp->state & ST_CLOSING) {
1468 rc = tsleep(&portp->state, PCATCH, "stliraw", 0);
1476 * Everything is ready now, so write the open message into shared
1477 * memory. Once the message is in set the service bits to say that
1478 * this port wants service.
1481 cp = &((volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr))->ctrl;
1484 hdrp = (volatile cdkhdr_t *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
1485 bits = ((volatile unsigned char *) hdrp) + brdp->slaveoffset +
1487 *bits |= portp->portbit;
1496 * Slave is in action, so now we must wait for the open acknowledgment
1500 portp->state |= ST_OPENING;
1501 while (portp->state & ST_OPENING) {
1502 rc = tsleep(&portp->state, PCATCH, "stliraw", 0);
1510 if ((rc == 0) && (portp->rc != 0))
1515 /*****************************************************************************/
1518 * Send a close message to the slave. Normally this will sleep waiting
1519 * for the acknowledgement, but if wait parameter is 0 it will not. If
1520 * wait is true then must have user context (to sleep).
1523 static int stli_rawclose(stlibrd_t *brdp, stliport_t *portp, unsigned long arg, int wait)
1525 volatile cdkhdr_t *hdrp;
1526 volatile cdkctrl_t *cp;
1527 volatile unsigned char *bits;
1531 kprintf("stli_rawclose(brdp=%x,portp=%x,arg=%x,wait=%d)\n", (int) brdp,
1532 (int) portp, (int) arg, wait);
1538 * Slave is already closing this port. This can happen if a hangup
1539 * occurs on this port.
1542 while (portp->state & ST_CLOSING) {
1543 rc = tsleep(&portp->state, PCATCH, "stliraw", 0);
1552 * Write the close command into shared memory.
1555 cp = &((volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr))->ctrl;
1558 hdrp = (volatile cdkhdr_t *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
1559 bits = ((volatile unsigned char *) hdrp) + brdp->slaveoffset +
1561 *bits |= portp->portbit;
1564 portp->state |= ST_CLOSING;
1571 * Slave is in action, so now we must wait for the open acknowledgment
1575 while (portp->state & ST_CLOSING) {
1576 rc = tsleep(&portp->state, PCATCH, "stliraw", 0);
1584 if ((rc == 0) && (portp->rc != 0))
1589 /*****************************************************************************/
1592 * Send a command to the slave and wait for the response. This must
1593 * have user context (it sleeps). This routine is generic in that it
1594 * can send any type of command. Its purpose is to wait for that command
1595 * to complete (as opposed to initiating the command then returning).
1598 static int stli_cmdwait(stlibrd_t *brdp, stliport_t *portp, unsigned long cmd, void *arg, int size, int copyback)
1603 kprintf("stli_cmdwait(brdp=%x,portp=%x,cmd=%x,arg=%x,size=%d,"
1604 "copyback=%d)\n", (int) brdp, (int) portp, (int) cmd,
1605 (int) arg, size, copyback);
1609 while (portp->state & ST_CMDING) {
1610 rc = tsleep(&portp->state, PCATCH, "stliraw", 0);
1617 stli_sendcmd(brdp, portp, cmd, arg, size, copyback);
1619 while (portp->state & ST_CMDING) {
1620 rc = tsleep(&portp->state, PCATCH, "stliraw", 0);
1633 /*****************************************************************************/
1636 * Start (or continue) the transfer of TX data on this port. If the
1637 * port is not currently busy then load up the interrupt ring queue
1638 * buffer and kick of the transmitter. If the port is running low on
1639 * TX data then refill the ring queue. This routine is also used to
1640 * activate input flow control!
1643 static void stli_start(struct tty *tp)
1645 volatile cdkasy_t *ap;
1646 volatile cdkhdr_t *hdrp;
1647 volatile unsigned char *bits;
1648 unsigned char *shbuf;
1651 unsigned int len, stlen, head, tail, size;
1654 portp = (stliport_t *) tp;
1657 kprintf("stli_start(tp=%x): brdnr=%d portnr=%d\n", (int) tp,
1658 portp->brdnr, portp->portnr);
1665 * Check if the output cooked clist buffers are near empty, wake up
1666 * the line discipline to fill it up.
1668 if (tp->t_outq.c_cc <= tp->t_lowat) {
1669 if (tp->t_state & TS_ASLEEP) {
1670 tp->t_state &= ~TS_ASLEEP;
1671 wakeup(&tp->t_outq);
1673 KNOTE(&tp->t_wsel.si_note, 0);
1677 if (tp->t_state & (TS_TIMEOUT | TS_TTSTOP)) {
1683 * Copy data from the clists into the interrupt ring queue. This will
1684 * require at most 2 copys... What we do is calculate how many chars
1685 * can fit into the ring queue, and how many can fit in 1 copy. If after
1686 * the first copy there is still more room then do the second copy.
1688 if (tp->t_outq.c_cc != 0) {
1689 brdp = stli_brds[portp->brdnr];
1696 ap = (volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr);
1697 head = (unsigned int) ap->txq.head;
1698 tail = (unsigned int) ap->txq.tail;
1699 if (tail != ((unsigned int) ap->txq.tail))
1700 tail = (unsigned int) ap->txq.tail;
1701 size = portp->txsize;
1703 len = size - (head - tail) - 1;
1704 stlen = size - head;
1706 len = tail - head - 1;
1711 shbuf = (char *) EBRDGETMEMPTR(brdp, portp->txoffset);
1714 stlen = MIN(len, stlen);
1715 count = q_to_b(&tp->t_outq, (shbuf + head), stlen);
1721 stlen = q_to_b(&tp->t_outq, shbuf, len);
1728 ap = (volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr);
1729 ap->txq.head = head;
1730 hdrp = (volatile cdkhdr_t *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
1731 bits = ((volatile unsigned char *) hdrp) + brdp->slaveoffset +
1733 *bits |= portp->portbit;
1734 portp->state |= ST_TXBUSY;
1735 tp->t_state |= TS_BUSY;
1742 * Do any writer wakeups.
1750 /*****************************************************************************/
1753 * Send a new port configuration to the slave.
1756 static int stli_param(struct tty *tp, struct termios *tiosp)
1763 portp = (stliport_t *) tp;
1764 if ((brdp = stli_brds[portp->brdnr]) == NULL)
1768 stli_mkasyport(portp, &aport, tiosp);
1769 /* can we sleep here? */
1770 rc = stli_cmdwait(brdp, portp, A_SETPORT, &aport, sizeof(asyport_t), 0);
1771 stli_ttyoptim(portp, tiosp);
1776 /*****************************************************************************/
1779 * Flush characters from the lower buffer. We may not have user context
1780 * so we cannot sleep waiting for it to complete. Also we need to check
1781 * if there is chars for this port in the TX cook buffer, and flush them
1785 static void stli_flush(stliport_t *portp, int flag)
1788 unsigned long ftype;
1791 kprintf("stli_flush(portp=%x,flag=%x)\n", (int) portp, flag);
1796 if ((portp->brdnr < 0) || (portp->brdnr >= stli_nrbrds))
1798 brdp = stli_brds[portp->brdnr];
1803 if (portp->state & ST_CMDING) {
1804 portp->state |= (flag & FWRITE) ? ST_DOFLUSHTX : 0;
1805 portp->state |= (flag & FREAD) ? ST_DOFLUSHRX : 0;
1807 ftype = (flag & FWRITE) ? FLUSHTX : 0;
1808 ftype |= (flag & FREAD) ? FLUSHRX : 0;
1809 portp->state &= ~(ST_DOFLUSHTX | ST_DOFLUSHRX);
1810 stli_sendcmd(brdp, portp, A_FLUSH, &ftype,
1811 sizeof(unsigned long), 0);
1813 if ((flag & FREAD) && (stli_rxtmpport == portp))
1818 /*****************************************************************************/
1821 * Generic send command routine. This will send a message to the slave,
1822 * of the specified type with the specified argument. Must be very
1823 * carefull of data that will be copied out from shared memory -
1824 * containing command results. The command completion is all done from
1825 * a poll routine that does not have user coontext. Therefore you cannot
1826 * copy back directly into user space, or to the kernel stack of a
1827 * process. This routine does not sleep, so can be called from anywhere,
1828 * and must be called with interrupt locks set.
1831 static void stli_sendcmd(stlibrd_t *brdp, stliport_t *portp, unsigned long cmd, void *arg, int size, int copyback)
1833 volatile cdkhdr_t *hdrp;
1834 volatile cdkctrl_t *cp;
1835 volatile unsigned char *bits;
1838 kprintf("stli_sendcmd(brdp=%x,portp=%x,cmd=%x,arg=%x,size=%d,"
1839 "copyback=%d)\n", (int) brdp, (int) portp, (int) cmd,
1840 (int) arg, size, copyback);
1843 if (portp->state & ST_CMDING) {
1844 kprintf("STALLION: command already busy, cmd=%x!\n", (int) cmd);
1849 cp = &((volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr))->ctrl;
1851 bcopy(arg, &(cp->args[0]), size);
1854 portp->argsize = size;
1859 hdrp = (volatile cdkhdr_t *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
1860 bits = ((volatile unsigned char *) hdrp) + brdp->slaveoffset +
1862 *bits |= portp->portbit;
1863 portp->state |= ST_CMDING;
1867 /*****************************************************************************/
1870 * Read data from shared memory. This assumes that the shared memory
1871 * is enabled and that interrupts are off. Basically we just empty out
1872 * the shared memory buffer into the tty buffer. Must be carefull to
1873 * handle the case where we fill up the tty buffer, but still have
1874 * more chars to unload.
1877 static void stli_rxprocess(stlibrd_t *brdp, stliport_t *portp)
1879 volatile cdkasyrq_t *rp;
1880 volatile char *shbuf;
1882 unsigned int head, tail, size;
1883 unsigned int len, stlen, i;
1887 kprintf("stli_rxprocess(brdp=%x,portp=%d)\n", (int) brdp, (int) portp);
1891 if ((tp->t_state & TS_ISOPEN) == 0) {
1892 stli_flush(portp, FREAD);
1895 if (tp->t_state & TS_TBLOCK)
1898 rp = &((volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr))->rxq;
1899 head = (unsigned int) rp->head;
1900 if (head != ((unsigned int) rp->head))
1901 head = (unsigned int) rp->head;
1902 tail = (unsigned int) rp->tail;
1903 size = portp->rxsize;
1908 len = size - (tail - head);
1909 stlen = size - tail;
1915 shbuf = (volatile char *) EBRDGETMEMPTR(brdp, portp->rxoffset);
1918 * If we can bypass normal LD processing then just copy direct
1919 * from board shared memory into the tty buffers.
1921 if (tp->t_state & TS_CAN_BYPASS_L_RINT) {
1922 if (((tp->t_rawq.c_cc + len) >= TTYHOG) &&
1923 ((tp->t_cflag & CRTS_IFLOW) || (tp->t_iflag & IXOFF)) &&
1924 ((tp->t_state & TS_TBLOCK) == 0)) {
1925 ch = TTYHOG - tp->t_rawq.c_cc - 1;
1926 len = (ch > 0) ? ch : 0;
1927 stlen = MIN(stlen, len);
1928 tp->t_state |= TS_TBLOCK;
1930 i = b_to_q(__DEVOLATILE(char *, shbuf + tail), stlen,
1936 i += b_to_q(__DEVOLATILE(char *, shbuf), len,
1942 rp = &((volatile cdkasy_t *)
1943 EBRDGETMEMPTR(brdp, portp->addr))->rxq;
1948 * Copy the data from board shared memory into a local
1949 * memory buffer. Then feed them from here into the LD.
1950 * We don't want to go into board shared memory one char
1951 * at a time, it is too slow...
1955 stlen = min(len, stlen);
1957 stli_rxtmpport = portp;
1958 stli_rxtmplen = len;
1959 bcopy(__DEVOLATILE(char *, shbuf + tail), &stli_rxtmpbuf[0],
1963 bcopy(shbuf, &stli_rxtmpbuf[stlen], len);
1965 for (i = 0; (i < stli_rxtmplen); i++) {
1966 ch = (unsigned char) stli_rxtmpbuf[i];
1967 (*linesw[tp->t_line].l_rint)(ch, tp);
1970 rp = &((volatile cdkasy_t *)
1971 EBRDGETMEMPTR(brdp, portp->addr))->rxq;
1972 if (stli_rxtmplen == 0) {
1973 head = (unsigned int) rp->head;
1974 if (head != ((unsigned int) rp->head))
1975 head = (unsigned int) rp->head;
1983 stli_rxtmpport = NULL;
1987 portp->state |= ST_RXING;
1990 /*****************************************************************************/
1993 * Set up and carry out any delayed commands. There is only a small set
1994 * of slave commands that can be done "off-level". So it is not too
1995 * difficult to deal with them as a special case here.
1998 static __inline void stli_dodelaycmd(stliport_t *portp, volatile cdkctrl_t *cp)
2002 if (portp->state & ST_DOSIGS) {
2003 if ((portp->state & ST_DOFLUSHTX) &&
2004 (portp->state & ST_DOFLUSHRX))
2005 cmd = A_SETSIGNALSF;
2006 else if (portp->state & ST_DOFLUSHTX)
2007 cmd = A_SETSIGNALSFTX;
2008 else if (portp->state & ST_DOFLUSHRX)
2009 cmd = A_SETSIGNALSFRX;
2012 portp->state &= ~(ST_DOFLUSHTX | ST_DOFLUSHRX | ST_DOSIGS);
2013 bcopy(&portp->asig, &(cp->args[0]), sizeof(asysigs_t));
2016 portp->state |= ST_CMDING;
2017 } else if ((portp->state & ST_DOFLUSHTX) ||
2018 (portp->state & ST_DOFLUSHRX)) {
2019 cmd = ((portp->state & ST_DOFLUSHTX) ? FLUSHTX : 0);
2020 cmd |= ((portp->state & ST_DOFLUSHRX) ? FLUSHRX : 0);
2021 portp->state &= ~(ST_DOFLUSHTX | ST_DOFLUSHRX);
2022 bcopy(&cmd, &(cp->args[0]), sizeof(int));
2025 portp->state |= ST_CMDING;
2029 /*****************************************************************************/
2032 * Host command service checking. This handles commands or messages
2033 * coming from the slave to the host. Must have board shared memory
2034 * enabled and interrupts off when called. Notice that by servicing the
2035 * read data last we don't need to change the shared memory pointer
2036 * during processing (which is a slow IO operation).
2037 * Return value indicates if this port is still awaiting actions from
2038 * the slave (like open, command, or even TX data being sent). If 0
2039 * then port is still busy, otherwise the port request bit flag is
2043 static __inline int stli_hostcmd(stlibrd_t *brdp, stliport_t *portp)
2045 volatile cdkasy_t *ap;
2046 volatile cdkctrl_t *cp;
2048 unsigned long oldsigs;
2049 unsigned int head, tail;
2053 kprintf("stli_hostcmd(brdp=%x,portp=%x)\n", (int) brdp, (int) portp);
2056 ap = (volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr);
2060 * Check if we are waiting for an open completion message.
2062 if (portp->state & ST_OPENING) {
2063 rc = (int) cp->openarg;
2064 if ((cp->open == 0) && (rc != 0)) {
2069 portp->state &= ~ST_OPENING;
2070 wakeup(&portp->state);
2075 * Check if we are waiting for a close completion message.
2077 if (portp->state & ST_CLOSING) {
2078 rc = (int) cp->closearg;
2079 if ((cp->close == 0) && (rc != 0)) {
2084 portp->state &= ~ST_CLOSING;
2085 wakeup(&portp->state);
2090 * Check if we are waiting for a command completion message. We may
2091 * need to copy out the command results associated with this command.
2093 if (portp->state & ST_CMDING) {
2095 if ((cp->cmd == 0) && (rc != 0)) {
2098 if (portp->argp != NULL) {
2099 bcopy(&(cp->args[0]), portp->argp,
2105 portp->state &= ~ST_CMDING;
2106 stli_dodelaycmd(portp, cp);
2107 wakeup(&portp->state);
2112 * Check for any notification messages ready. This includes lots of
2113 * different types of events - RX chars ready, RX break received,
2114 * TX data low or empty in the slave, modem signals changed state.
2115 * Must be extremely carefull if we call to the LD, it may call
2116 * other routines of ours that will disable the memory...
2117 * Something else we need to be carefull of is race conditions on
2118 * marking the TX as empty...
2129 if (nt.signal & SG_DCD) {
2130 oldsigs = portp->sigs;
2131 portp->sigs = stli_mktiocm(nt.sigvalue);
2132 portp->state &= ~ST_GETSIGS;
2133 (*linesw[tp->t_line].l_modem)(tp,
2134 (portp->sigs & TIOCM_CD));
2137 if (nt.data & DT_RXBUSY) {
2139 stli_rxprocess(brdp, portp);
2141 if (nt.data & DT_RXBREAK) {
2142 (*linesw[tp->t_line].l_rint)(TTY_BI, tp);
2145 if (nt.data & DT_TXEMPTY) {
2146 ap = (volatile cdkasy_t *)
2147 EBRDGETMEMPTR(brdp, portp->addr);
2148 head = (unsigned int) ap->txq.head;
2149 tail = (unsigned int) ap->txq.tail;
2150 if (tail != ((unsigned int) ap->txq.tail))
2151 tail = (unsigned int) ap->txq.tail;
2152 head = (head >= tail) ? (head - tail) :
2153 portp->txsize - (tail - head);
2155 portp->state &= ~ST_TXBUSY;
2156 tp->t_state &= ~TS_BUSY;
2159 if (nt.data & (DT_TXEMPTY | DT_TXLOW)) {
2160 (*linesw[tp->t_line].l_start)(tp);
2166 * It might seem odd that we are checking for more RX chars here.
2167 * But, we need to handle the case where the tty buffer was previously
2168 * filled, but we had more characters to pass up. The slave will not
2169 * send any more RX notify messages until the RX buffer has been emptied.
2170 * But it will leave the service bits on (since the buffer is not empty).
2171 * So from here we can try to process more RX chars.
2173 if ((!donerx) && (portp->state & ST_RXING)) {
2174 portp->state &= ~ST_RXING;
2175 stli_rxprocess(brdp, portp);
2178 return((portp->state & (ST_OPENING | ST_CLOSING | ST_CMDING |
2179 ST_TXBUSY | ST_RXING)) ? 0 : 1);
2182 /*****************************************************************************/
2185 * Service all ports on a particular board. Assumes that the boards
2186 * shared memory is enabled, and that the page pointer is pointed
2187 * at the cdk header structure.
2190 static __inline void stli_brdpoll(stlibrd_t *brdp, volatile cdkhdr_t *hdrp)
2193 unsigned char hostbits[(STL_MAXCHANS / 8) + 1];
2194 unsigned char slavebits[(STL_MAXCHANS / 8) + 1];
2195 unsigned char *slavep;
2196 int bitpos, bitat, bitsize;
2197 int channr, nrdevs, slavebitchange;
2199 bitsize = brdp->bitsize;
2200 nrdevs = brdp->nrdevs;
2203 * Check if slave wants any service. Basically we try to do as
2204 * little work as possible here. There are 2 levels of service
2205 * bits. So if there is nothing to do we bail early. We check
2206 * 8 service bits at a time in the inner loop, so we can bypass
2207 * the lot if none of them want service.
2209 bcopy(__DEVOLATILE(unsigned char *, hdrp) + brdp->hostoffset,
2210 &hostbits[0], bitsize);
2212 bzero(&slavebits[0], bitsize);
2215 for (bitpos = 0; (bitpos < bitsize); bitpos++) {
2216 if (hostbits[bitpos] == 0)
2218 channr = bitpos * 8;
2220 for (; (channr < nrdevs); channr++, bitat <<=1) {
2221 if (hostbits[bitpos] & bitat) {
2222 portp = brdp->ports[(channr - 1)];
2223 if (stli_hostcmd(brdp, portp)) {
2225 slavebits[bitpos] |= bitat;
2232 * If any of the ports are no longer busy then update them in the
2233 * slave request bits. We need to do this after, since a host port
2234 * service may initiate more slave requests...
2236 if (slavebitchange) {
2237 hdrp = (volatile cdkhdr_t *)
2238 EBRDGETMEMPTR(brdp, CDK_CDKADDR);
2239 slavep = __DEVOLATILE(unsigned char *, hdrp) + brdp->slaveoffset;
2240 for (bitpos = 0; (bitpos < bitsize); bitpos++) {
2241 if (slavebits[bitpos])
2242 slavep[bitpos] &= ~slavebits[bitpos];
2247 /*****************************************************************************/
2250 * Driver poll routine. This routine polls the boards in use and passes
2251 * messages back up to host when neccesary. This is actually very
2252 * CPU efficient, since we will always have the kernel poll clock, it
2253 * adds only a few cycles when idle (since board service can be
2254 * determined very easily), but when loaded generates no interrupts
2255 * (with their expensive associated context change).
2258 static void stli_poll(void *arg)
2260 volatile cdkhdr_t *hdrp;
2267 * Check each board and do any servicing required.
2269 for (brdnr = 0; (brdnr < stli_nrbrds); brdnr++) {
2270 brdp = stli_brds[brdnr];
2273 if ((brdp->state & BST_STARTED) == 0)
2277 hdrp = (volatile cdkhdr_t *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
2279 stli_brdpoll(brdp, hdrp);
2284 callout_reset(&stli_poll_ch, 1, stli_poll, NULL);
2287 /*****************************************************************************/
2290 * Translate the termios settings into the port setting structure of
2294 static void stli_mkasyport(stliport_t *portp, asyport_t *pp, struct termios *tiosp)
2297 kprintf("stli_mkasyport(portp=%x,pp=%x,tiosp=%d)\n", (int) portp,
2298 (int) pp, (int) tiosp);
2301 bzero(pp, sizeof(asyport_t));
2304 * Start of by setting the baud, char size, parity and stop bit info.
2306 if (tiosp->c_ispeed == 0)
2307 tiosp->c_ispeed = tiosp->c_ospeed;
2308 if ((tiosp->c_ospeed < 0) || (tiosp->c_ospeed > STL_MAXBAUD))
2309 tiosp->c_ospeed = STL_MAXBAUD;
2310 pp->baudout = tiosp->c_ospeed;
2311 pp->baudin = pp->baudout;
2313 switch (tiosp->c_cflag & CSIZE) {
2328 if (tiosp->c_cflag & CSTOPB)
2329 pp->stopbs = PT_STOP2;
2331 pp->stopbs = PT_STOP1;
2333 if (tiosp->c_cflag & PARENB) {
2334 if (tiosp->c_cflag & PARODD)
2335 pp->parity = PT_ODDPARITY;
2337 pp->parity = PT_EVENPARITY;
2339 pp->parity = PT_NOPARITY;
2342 if (tiosp->c_iflag & ISTRIP)
2343 pp->iflag |= FI_ISTRIP;
2346 * Set up any flow control options enabled.
2348 if (tiosp->c_iflag & IXON) {
2350 if (tiosp->c_iflag & IXANY)
2351 pp->flow |= F_IXANY;
2353 if (tiosp->c_iflag & IXOFF)
2354 pp->flow |= F_IXOFF;
2355 if (tiosp->c_cflag & CCTS_OFLOW)
2356 pp->flow |= F_CTSFLOW;
2357 if (tiosp->c_cflag & CRTS_IFLOW)
2358 pp->flow |= F_RTSFLOW;
2360 pp->startin = tiosp->c_cc[VSTART];
2361 pp->stopin = tiosp->c_cc[VSTOP];
2362 pp->startout = tiosp->c_cc[VSTART];
2363 pp->stopout = tiosp->c_cc[VSTOP];
2366 * Set up the RX char marking mask with those RX error types we must
2367 * catch. We can get the slave to help us out a little here, it will
2368 * ignore parity errors and breaks for us, and mark parity errors in
2371 if (tiosp->c_iflag & IGNPAR)
2372 pp->iflag |= FI_IGNRXERRS;
2373 if (tiosp->c_iflag & IGNBRK)
2374 pp->iflag |= FI_IGNBREAK;
2375 if (tiosp->c_iflag & (INPCK | PARMRK))
2376 pp->iflag |= FI_1MARKRXERRS;
2379 * Transfer any persistent flags into the asyport structure.
2381 pp->pflag = (portp->pflag & 0xffff);
2382 pp->vmin = (portp->pflag & P_RXIMIN) ? 1 : 0;
2383 pp->vtime = (portp->pflag & P_RXITIME) ? 1 : 0;
2384 pp->cc[1] = (portp->pflag & P_RXTHOLD) ? 1 : 0;
2387 /*****************************************************************************/
2390 * Construct a slave signals structure for setting the DTR and RTS
2391 * signals as specified.
2394 static void stli_mkasysigs(asysigs_t *sp, int dtr, int rts)
2397 kprintf("stli_mkasysigs(sp=%x,dtr=%d,rts=%d)\n", (int) sp, dtr, rts);
2400 bzero(sp, sizeof(asysigs_t));
2402 sp->signal |= SG_DTR;
2403 sp->sigvalue |= ((dtr > 0) ? SG_DTR : 0);
2406 sp->signal |= SG_RTS;
2407 sp->sigvalue |= ((rts > 0) ? SG_RTS : 0);
2411 /*****************************************************************************/
2414 * Convert the signals returned from the slave into a local TIOCM type
2415 * signals value. We keep them localy in TIOCM format.
2418 static long stli_mktiocm(unsigned long sigvalue)
2423 kprintf("stli_mktiocm(sigvalue=%x)\n", (int) sigvalue);
2427 tiocm |= ((sigvalue & SG_DCD) ? TIOCM_CD : 0);
2428 tiocm |= ((sigvalue & SG_CTS) ? TIOCM_CTS : 0);
2429 tiocm |= ((sigvalue & SG_RI) ? TIOCM_RI : 0);
2430 tiocm |= ((sigvalue & SG_DSR) ? TIOCM_DSR : 0);
2431 tiocm |= ((sigvalue & SG_DTR) ? TIOCM_DTR : 0);
2432 tiocm |= ((sigvalue & SG_RTS) ? TIOCM_RTS : 0);
2436 /*****************************************************************************/
2439 * Enable l_rint processing bypass mode if tty modes allow it.
2442 static void stli_ttyoptim(stliport_t *portp, struct termios *tiosp)
2447 if (((tiosp->c_iflag & (ICRNL | IGNCR | IMAXBEL | INLCR)) == 0) &&
2448 (((tiosp->c_iflag & BRKINT) == 0) || (tiosp->c_iflag & IGNBRK)) &&
2449 (((tiosp->c_iflag & PARMRK) == 0) ||
2450 ((tiosp->c_iflag & (IGNPAR | IGNBRK)) == (IGNPAR | IGNBRK))) &&
2451 ((tiosp->c_lflag & (ECHO | ICANON | IEXTEN | ISIG | PENDIN)) ==0) &&
2452 (linesw[tp->t_line].l_rint == ttyinput))
2453 tp->t_state |= TS_CAN_BYPASS_L_RINT;
2455 tp->t_state &= ~TS_CAN_BYPASS_L_RINT;
2456 portp->hotchar = linesw[tp->t_line].l_hotchar;
2459 /*****************************************************************************/
2462 * All panels and ports actually attached have been worked out. All
2463 * we need to do here is set up the appropriate per port data structures.
2466 static int stli_initports(stlibrd_t *brdp)
2469 int i, panelnr, panelport;
2472 kprintf("stli_initports(brdp=%x)\n", (int) brdp);
2475 for (i = 0, panelnr = 0, panelport = 0; (i < brdp->nrports); i++) {
2476 portp = kmalloc(sizeof(stliport_t), M_TTYS, M_WAITOK | M_ZERO);
2477 callout_init(&portp->dtr_ch);
2479 portp->brdnr = brdp->brdnr;
2480 portp->panelnr = panelnr;
2481 portp->initintios.c_ispeed = STL_DEFSPEED;
2482 portp->initintios.c_ospeed = STL_DEFSPEED;
2483 portp->initintios.c_cflag = STL_DEFCFLAG;
2484 portp->initintios.c_iflag = 0;
2485 portp->initintios.c_oflag = 0;
2486 portp->initintios.c_lflag = 0;
2487 bcopy(&ttydefchars[0], &portp->initintios.c_cc[0],
2488 sizeof(portp->initintios.c_cc));
2489 portp->initouttios = portp->initintios;
2490 portp->dtrwait = 3 * hz;
2493 if (panelport >= brdp->panels[panelnr]) {
2497 brdp->ports[i] = portp;
2504 /*****************************************************************************/
2507 * All the following routines are board specific hardware operations.
2510 static void stli_ecpinit(stlibrd_t *brdp)
2512 unsigned long memconf;
2515 kprintf("stli_ecpinit(brdp=%d)\n", (int) brdp);
2518 outb((brdp->iobase + ECP_ATCONFR), ECP_ATSTOP);
2520 outb((brdp->iobase + ECP_ATCONFR), ECP_ATDISABLE);
2523 memconf = (brdp->paddr & ECP_ATADDRMASK) >> ECP_ATADDRSHFT;
2524 outb((brdp->iobase + ECP_ATMEMAR), memconf);
2527 /*****************************************************************************/
2529 static void stli_ecpenable(stlibrd_t *brdp)
2532 kprintf("stli_ecpenable(brdp=%x)\n", (int) brdp);
2534 outb((brdp->iobase + ECP_ATCONFR), ECP_ATENABLE);
2537 /*****************************************************************************/
2539 static void stli_ecpdisable(stlibrd_t *brdp)
2542 kprintf("stli_ecpdisable(brdp=%x)\n", (int) brdp);
2544 outb((brdp->iobase + ECP_ATCONFR), ECP_ATDISABLE);
2547 /*****************************************************************************/
2549 static char *stli_ecpgetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
2555 kprintf("stli_ecpgetmemptr(brdp=%x,offset=%x)\n", (int) brdp,
2559 if (offset > brdp->memsize) {
2560 kprintf("STALLION: shared memory pointer=%x out of range at "
2561 "line=%d(%d), brd=%d\n", (int) offset, line,
2562 __LINE__, brdp->brdnr);
2566 ptr = (char *) brdp->vaddr + (offset % ECP_ATPAGESIZE);
2567 val = (unsigned char) (offset / ECP_ATPAGESIZE);
2569 outb((brdp->iobase + ECP_ATMEMPR), val);
2573 /*****************************************************************************/
2575 static void stli_ecpreset(stlibrd_t *brdp)
2578 kprintf("stli_ecpreset(brdp=%x)\n", (int) brdp);
2581 outb((brdp->iobase + ECP_ATCONFR), ECP_ATSTOP);
2583 outb((brdp->iobase + ECP_ATCONFR), ECP_ATDISABLE);
2587 /*****************************************************************************/
2589 static void stli_ecpintr(stlibrd_t *brdp)
2592 kprintf("stli_ecpintr(brdp=%x)\n", (int) brdp);
2594 outb(brdp->iobase, 0x1);
2597 /*****************************************************************************/
2600 * The following set of functions act on ECP EISA boards.
2603 static void stli_ecpeiinit(stlibrd_t *brdp)
2605 unsigned long memconf;
2608 kprintf("stli_ecpeiinit(brdp=%x)\n", (int) brdp);
2611 outb((brdp->iobase + ECP_EIBRDENAB), 0x1);
2612 outb((brdp->iobase + ECP_EICONFR), ECP_EISTOP);
2614 outb((brdp->iobase + ECP_EICONFR), ECP_EIDISABLE);
2617 memconf = (brdp->paddr & ECP_EIADDRMASKL) >> ECP_EIADDRSHFTL;
2618 outb((brdp->iobase + ECP_EIMEMARL), memconf);
2619 memconf = (brdp->paddr & ECP_EIADDRMASKH) >> ECP_EIADDRSHFTH;
2620 outb((brdp->iobase + ECP_EIMEMARH), memconf);
2623 /*****************************************************************************/
2625 static void stli_ecpeienable(stlibrd_t *brdp)
2627 outb((brdp->iobase + ECP_EICONFR), ECP_EIENABLE);
2630 /*****************************************************************************/
2632 static void stli_ecpeidisable(stlibrd_t *brdp)
2634 outb((brdp->iobase + ECP_EICONFR), ECP_EIDISABLE);
2637 /*****************************************************************************/
2639 static char *stli_ecpeigetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
2645 kprintf("stli_ecpeigetmemptr(brdp=%x,offset=%x,line=%d)\n",
2646 (int) brdp, (int) offset, line);
2649 if (offset > brdp->memsize) {
2650 kprintf("STALLION: shared memory pointer=%x out of range at "
2651 "line=%d(%d), brd=%d\n", (int) offset, line,
2652 __LINE__, brdp->brdnr);
2656 ptr = (char *) brdp->vaddr + (offset % ECP_EIPAGESIZE);
2657 if (offset < ECP_EIPAGESIZE)
2660 val = ECP_EIENABLE | 0x40;
2662 outb((brdp->iobase + ECP_EICONFR), val);
2666 /*****************************************************************************/
2668 static void stli_ecpeireset(stlibrd_t *brdp)
2670 outb((brdp->iobase + ECP_EICONFR), ECP_EISTOP);
2672 outb((brdp->iobase + ECP_EICONFR), ECP_EIDISABLE);
2676 /*****************************************************************************/
2679 * The following routines act on ONboards.
2682 static void stli_onbinit(stlibrd_t *brdp)
2684 unsigned long memconf;
2688 kprintf("stli_onbinit(brdp=%d)\n", (int) brdp);
2691 outb((brdp->iobase + ONB_ATCONFR), ONB_ATSTOP);
2693 outb((brdp->iobase + ONB_ATCONFR), ONB_ATDISABLE);
2694 for (i = 0; (i < 1000); i++)
2697 memconf = (brdp->paddr & ONB_ATADDRMASK) >> ONB_ATADDRSHFT;
2698 outb((brdp->iobase + ONB_ATMEMAR), memconf);
2699 outb(brdp->iobase, 0x1);
2703 /*****************************************************************************/
2705 static void stli_onbenable(stlibrd_t *brdp)
2708 kprintf("stli_onbenable(brdp=%x)\n", (int) brdp);
2710 outb((brdp->iobase + ONB_ATCONFR), (ONB_ATENABLE | brdp->confbits));
2713 /*****************************************************************************/
2715 static void stli_onbdisable(stlibrd_t *brdp)
2718 kprintf("stli_onbdisable(brdp=%x)\n", (int) brdp);
2720 outb((brdp->iobase + ONB_ATCONFR), (ONB_ATDISABLE | brdp->confbits));
2723 /*****************************************************************************/
2725 static char *stli_onbgetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
2730 kprintf("stli_onbgetmemptr(brdp=%x,offset=%x)\n", (int) brdp,
2734 if (offset > brdp->memsize) {
2735 kprintf("STALLION: shared memory pointer=%x out of range at "
2736 "line=%d(%d), brd=%d\n", (int) offset, line,
2737 __LINE__, brdp->brdnr);
2740 ptr = (char *) brdp->vaddr + (offset % ONB_ATPAGESIZE);
2745 /*****************************************************************************/
2747 static void stli_onbreset(stlibrd_t *brdp)
2752 kprintf("stli_onbreset(brdp=%x)\n", (int) brdp);
2755 outb((brdp->iobase + ONB_ATCONFR), ONB_ATSTOP);
2757 outb((brdp->iobase + ONB_ATCONFR), ONB_ATDISABLE);
2758 for (i = 0; (i < 1000); i++)
2762 /*****************************************************************************/
2765 * The following routines act on ONboard EISA.
2768 static void stli_onbeinit(stlibrd_t *brdp)
2770 unsigned long memconf;
2774 kprintf("stli_onbeinit(brdp=%d)\n", (int) brdp);
2777 outb((brdp->iobase + ONB_EIBRDENAB), 0x1);
2778 outb((brdp->iobase + ONB_EICONFR), ONB_EISTOP);
2780 outb((brdp->iobase + ONB_EICONFR), ONB_EIDISABLE);
2781 for (i = 0; (i < 1000); i++)
2784 memconf = (brdp->paddr & ONB_EIADDRMASKL) >> ONB_EIADDRSHFTL;
2785 outb((brdp->iobase + ONB_EIMEMARL), memconf);
2786 memconf = (brdp->paddr & ONB_EIADDRMASKH) >> ONB_EIADDRSHFTH;
2787 outb((brdp->iobase + ONB_EIMEMARH), memconf);
2788 outb(brdp->iobase, 0x1);
2792 /*****************************************************************************/
2794 static void stli_onbeenable(stlibrd_t *brdp)
2797 kprintf("stli_onbeenable(brdp=%x)\n", (int) brdp);
2799 outb((brdp->iobase + ONB_EICONFR), ONB_EIENABLE);
2802 /*****************************************************************************/
2804 static void stli_onbedisable(stlibrd_t *brdp)
2807 kprintf("stli_onbedisable(brdp=%x)\n", (int) brdp);
2809 outb((brdp->iobase + ONB_EICONFR), ONB_EIDISABLE);
2812 /*****************************************************************************/
2814 static char *stli_onbegetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
2820 kprintf("stli_onbegetmemptr(brdp=%x,offset=%x,line=%d)\n", (int) brdp,
2821 (int) offset, line);
2824 if (offset > brdp->memsize) {
2825 kprintf("STALLION: shared memory pointer=%x out of range at "
2826 "line=%d(%d), brd=%d\n", (int) offset, line,
2827 __LINE__, brdp->brdnr);
2831 ptr = (char *) brdp->vaddr + (offset % ONB_EIPAGESIZE);
2832 if (offset < ONB_EIPAGESIZE)
2835 val = ONB_EIENABLE | 0x40;
2837 outb((brdp->iobase + ONB_EICONFR), val);
2841 /*****************************************************************************/
2843 static void stli_onbereset(stlibrd_t *brdp)
2848 kprintf("stli_onbereset(brdp=%x)\n", (int) brdp);
2851 outb((brdp->iobase + ONB_EICONFR), ONB_EISTOP);
2853 outb((brdp->iobase + ONB_EICONFR), ONB_EIDISABLE);
2854 for (i = 0; (i < 1000); i++)
2858 /*****************************************************************************/
2861 * The following routines act on Brumby boards.
2864 static void stli_bbyinit(stlibrd_t *brdp)
2869 kprintf("stli_bbyinit(brdp=%d)\n", (int) brdp);
2872 outb((brdp->iobase + BBY_ATCONFR), BBY_ATSTOP);
2874 outb((brdp->iobase + BBY_ATCONFR), 0);
2875 for (i = 0; (i < 1000); i++)
2877 outb(brdp->iobase, 0x1);
2881 /*****************************************************************************/
2883 static char *stli_bbygetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
2889 kprintf("stli_bbygetmemptr(brdp=%x,offset=%x)\n", (int) brdp,
2893 if (offset > brdp->memsize) {
2894 kprintf("STALLION: shared memory pointer=%x out of range at "
2895 "line=%d(%d), brd=%d\n", (int) offset, line,
2896 __LINE__, brdp->brdnr);
2900 ptr = (char *) brdp->vaddr + (offset % BBY_PAGESIZE);
2901 val = (unsigned char) (offset / BBY_PAGESIZE);
2903 outb((brdp->iobase + BBY_ATCONFR), val);
2907 /*****************************************************************************/
2909 static void stli_bbyreset(stlibrd_t *brdp)
2914 kprintf("stli_bbyreset(brdp=%x)\n", (int) brdp);
2917 outb((brdp->iobase + BBY_ATCONFR), BBY_ATSTOP);
2919 outb((brdp->iobase + BBY_ATCONFR), 0);
2920 for (i = 0; (i < 1000); i++)
2924 /*****************************************************************************/
2927 * The following routines act on original old Stallion boards.
2930 static void stli_stalinit(stlibrd_t *brdp)
2935 kprintf("stli_stalinit(brdp=%d)\n", (int) brdp);
2938 outb(brdp->iobase, 0x1);
2939 for (i = 0; (i < 1000); i++)
2943 /*****************************************************************************/
2945 static char *stli_stalgetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
2950 kprintf("stli_stalgetmemptr(brdp=%x,offset=%x)\n", (int) brdp,
2954 if (offset > brdp->memsize) {
2955 kprintf("STALLION: shared memory pointer=%x out of range at "
2956 "line=%d(%d), brd=%d\n", (int) offset, line,
2957 __LINE__, brdp->brdnr);
2960 ptr = (char *) brdp->vaddr + (offset % STAL_PAGESIZE);
2965 /*****************************************************************************/
2967 static void stli_stalreset(stlibrd_t *brdp)
2969 volatile unsigned long *vecp;
2973 kprintf("stli_stalreset(brdp=%x)\n", (int) brdp);
2976 vecp = (volatile unsigned long *) ((char *) brdp->vaddr + 0x30);
2978 outb(brdp->iobase, 0);
2979 for (i = 0; (i < 1000); i++)
2983 /*****************************************************************************/
2986 * Try to find an ECP board and initialize it. This handles only ECP
2990 static int stli_initecp(stlibrd_t *brdp)
2994 unsigned int status, nxtid;
2998 kprintf("stli_initecp(brdp=%x)\n", (int) brdp);
3002 * Do a basic sanity check on the IO and memory addresses.
3004 if ((brdp->iobase == 0) || (brdp->paddr == 0))
3008 * Based on the specific board type setup the common vars to access
3009 * and enable shared memory. Set all board specific information now
3012 switch (brdp->brdtype) {
3014 brdp->memsize = ECP_MEMSIZE;
3015 brdp->pagesize = ECP_ATPAGESIZE;
3016 brdp->init = stli_ecpinit;
3017 brdp->enable = stli_ecpenable;
3018 brdp->reenable = stli_ecpenable;
3019 brdp->disable = stli_ecpdisable;
3020 brdp->getmemptr = stli_ecpgetmemptr;
3021 brdp->intr = stli_ecpintr;
3022 brdp->reset = stli_ecpreset;
3026 brdp->memsize = ECP_MEMSIZE;
3027 brdp->pagesize = ECP_EIPAGESIZE;
3028 brdp->init = stli_ecpeiinit;
3029 brdp->enable = stli_ecpeienable;
3030 brdp->reenable = stli_ecpeienable;
3031 brdp->disable = stli_ecpeidisable;
3032 brdp->getmemptr = stli_ecpeigetmemptr;
3033 brdp->intr = stli_ecpintr;
3034 brdp->reset = stli_ecpeireset;
3042 * The per-board operations structure is all setup, so now lets go
3043 * and get the board operational. Firstly initialize board configuration
3049 * Now that all specific code is set up, enable the shared memory and
3050 * look for the a signature area that will tell us exactly what board
3051 * this is, and what it is connected to it.
3054 sigsp = (cdkecpsig_t *) EBRDGETMEMPTR(brdp, CDK_SIGADDR);
3055 bcopy(sigsp, &sig, sizeof(cdkecpsig_t));
3059 kprintf("%s(%d): sig-> magic=%x rom=%x panel=%x,%x,%x,%x,%x,%x,%x,%x\n",
3060 __file__, __LINE__, (int) sig.magic, sig.romver,
3061 sig.panelid[0], (int) sig.panelid[1], (int) sig.panelid[2],
3062 (int) sig.panelid[3], (int) sig.panelid[4],
3063 (int) sig.panelid[5], (int) sig.panelid[6],
3064 (int) sig.panelid[7]);
3067 if (sig.magic != ECP_MAGIC)
3071 * Scan through the signature looking at the panels connected to the
3072 * board. Calculate the total number of ports as we go.
3074 for (panelnr = 0, nxtid = 0; (panelnr < STL_MAXPANELS); panelnr++) {
3075 status = sig.panelid[nxtid];
3076 if ((status & ECH_PNLIDMASK) != nxtid)
3078 brdp->panelids[panelnr] = status;
3079 if (status & ECH_PNL16PORT) {
3080 brdp->panels[panelnr] = 16;
3081 brdp->nrports += 16;
3084 brdp->panels[panelnr] = 8;
3091 brdp->state |= BST_FOUND;
3095 /*****************************************************************************/
3098 * Try to find an ONboard, Brumby or Stallion board and initialize it.
3099 * This handles only these board types.
3102 static int stli_initonb(stlibrd_t *brdp)
3109 kprintf("stli_initonb(brdp=%x)\n", (int) brdp);
3113 * Do a basic sanity check on the IO and memory addresses.
3115 if ((brdp->iobase == 0) || (brdp->paddr == 0))
3119 * Based on the specific board type setup the common vars to access
3120 * and enable shared memory. Set all board specific information now
3123 switch (brdp->brdtype) {
3127 case BRD_ONBOARD2_32:
3129 brdp->memsize = ONB_MEMSIZE;
3130 brdp->pagesize = ONB_ATPAGESIZE;
3131 brdp->init = stli_onbinit;
3132 brdp->enable = stli_onbenable;
3133 brdp->reenable = stli_onbenable;
3134 brdp->disable = stli_onbdisable;
3135 brdp->getmemptr = stli_onbgetmemptr;
3136 brdp->intr = stli_ecpintr;
3137 brdp->reset = stli_onbreset;
3138 brdp->confbits = (brdp->paddr > 0x100000) ? ONB_HIMEMENAB : 0;
3142 brdp->memsize = ONB_EIMEMSIZE;
3143 brdp->pagesize = ONB_EIPAGESIZE;
3144 brdp->init = stli_onbeinit;
3145 brdp->enable = stli_onbeenable;
3146 brdp->reenable = stli_onbeenable;
3147 brdp->disable = stli_onbedisable;
3148 brdp->getmemptr = stli_onbegetmemptr;
3149 brdp->intr = stli_ecpintr;
3150 brdp->reset = stli_onbereset;
3156 brdp->memsize = BBY_MEMSIZE;
3157 brdp->pagesize = BBY_PAGESIZE;
3158 brdp->init = stli_bbyinit;
3159 brdp->enable = NULL;
3160 brdp->reenable = NULL;
3161 brdp->disable = NULL;
3162 brdp->getmemptr = stli_bbygetmemptr;
3163 brdp->intr = stli_ecpintr;
3164 brdp->reset = stli_bbyreset;
3168 brdp->memsize = STAL_MEMSIZE;
3169 brdp->pagesize = STAL_PAGESIZE;
3170 brdp->init = stli_stalinit;
3171 brdp->enable = NULL;
3172 brdp->reenable = NULL;
3173 brdp->disable = NULL;
3174 brdp->getmemptr = stli_stalgetmemptr;
3175 brdp->intr = stli_ecpintr;
3176 brdp->reset = stli_stalreset;
3184 * The per-board operations structure is all setup, so now lets go
3185 * and get the board operational. Firstly initialize board configuration
3191 * Now that all specific code is set up, enable the shared memory and
3192 * look for the a signature area that will tell us exactly what board
3193 * this is, and how many ports.
3196 sigsp = (cdkonbsig_t *) EBRDGETMEMPTR(brdp, CDK_SIGADDR);
3197 bcopy(sigsp, &sig, sizeof(cdkonbsig_t));
3201 kprintf("%s(%d): sig-> magic=%x:%x:%x:%x romver=%x amask=%x:%x:%x\n",
3202 __file__, __LINE__, sig.magic0, sig.magic1, sig.magic2,
3203 sig.magic3, sig.romver, sig.amask0, sig.amask1, sig.amask2);
3206 if ((sig.magic0 != ONB_MAGIC0) || (sig.magic1 != ONB_MAGIC1) ||
3207 (sig.magic2 != ONB_MAGIC2) || (sig.magic3 != ONB_MAGIC3))
3211 * Scan through the signature alive mask and calculate how many ports
3212 * there are on this board.
3218 for (i = 0; (i < 16); i++) {
3219 if (((sig.amask0 << i) & 0x8000) == 0)
3224 brdp->panels[0] = brdp->nrports;
3226 brdp->state |= BST_FOUND;
3230 /*****************************************************************************/
3233 * Start up a running board. This routine is only called after the
3234 * code has been down loaded to the board and is operational. It will
3235 * read in the memory map, and get the show on the road...
3238 static int stli_startbrd(stlibrd_t *brdp)
3240 volatile cdkhdr_t *hdrp;
3241 volatile cdkmem_t *memp;
3242 volatile cdkasy_t *ap;
3244 int portnr, nrdevs, i, rc;
3247 kprintf("stli_startbrd(brdp=%x)\n", (int) brdp);
3254 hdrp = (volatile cdkhdr_t *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
3255 nrdevs = hdrp->nrdevs;
3258 kprintf("%s(%d): CDK version %d.%d.%d --> nrdevs=%d memp=%x hostp=%x "
3259 "slavep=%x\n", __file__, __LINE__, hdrp->ver_release,
3260 hdrp->ver_modification, hdrp->ver_fix, nrdevs,
3261 (int) hdrp->memp, (int) hdrp->hostp, (int) hdrp->slavep);
3264 if (nrdevs < (brdp->nrports + 1)) {
3265 kprintf("STALLION: slave failed to allocate memory for all "
3266 "devices, devices=%d\n", nrdevs);
3267 brdp->nrports = nrdevs - 1;
3269 brdp->nrdevs = nrdevs;
3270 brdp->hostoffset = hdrp->hostp - CDK_CDKADDR;
3271 brdp->slaveoffset = hdrp->slavep - CDK_CDKADDR;
3272 brdp->bitsize = (nrdevs + 7) / 8;
3273 memp = (volatile cdkmem_t *) (void *) (uintptr_t) hdrp->memp;
3274 if ((uintptr_t)(volatile void *)memp > brdp->memsize) {
3275 kprintf("STALLION: corrupted shared memory region?\n");
3277 goto stli_donestartup;
3279 memp = (volatile cdkmem_t *) EBRDGETMEMPTR(brdp,
3280 (uintptr_t)(volatile void *)memp);
3281 if (memp->dtype != TYP_ASYNCTRL) {
3282 kprintf("STALLION: no slave control device found\n");
3284 goto stli_donestartup;
3289 * Cycle through memory allocation of each port. We are guaranteed to
3290 * have all ports inside the first page of slave window, so no need to
3291 * change pages while reading memory map.
3293 for (i = 1, portnr = 0; (i < nrdevs); i++, portnr++, memp++) {
3294 if (memp->dtype != TYP_ASYNC)
3296 portp = brdp->ports[portnr];
3300 portp->addr = memp->offset;
3301 portp->reqidx = (unsigned char) (i * 8 / nrdevs);
3302 portp->reqbit = (unsigned char) (0x1 << portp->reqidx);
3303 portp->portidx = (unsigned char) (i / 8);
3304 portp->portbit = (unsigned char) (0x1 << (i % 8));
3307 hdrp->slavereq = 0xff;
3310 * For each port setup a local copy of the RX and TX buffer offsets
3311 * and sizes. We do this separate from the above, because we need to
3312 * move the shared memory page...
3314 for (i = 1, portnr = 0; (i < nrdevs); i++, portnr++) {
3315 portp = brdp->ports[portnr];
3318 if (portp->addr == 0)
3320 ap = (volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr);
3322 portp->rxsize = ap->rxq.size;
3323 portp->txsize = ap->txq.size;
3324 portp->rxoffset = ap->rxq.offset;
3325 portp->txoffset = ap->txq.offset;
3334 brdp->state |= BST_STARTED;
3336 if (stli_doingtimeout == 0) {
3337 stli_doingtimeout++;
3338 callout_init(&stli_poll_ch);
3339 callout_reset(&stli_poll_ch, 1, stli_poll, NULL);
3345 /*****************************************************************************/
3348 * Probe and initialize the specified board.
3351 static int stli_brdinit(stlibrd_t *brdp)
3354 kprintf("stli_brdinit(brdp=%x)\n", (int) brdp);
3357 stli_brds[brdp->brdnr] = brdp;
3359 switch (brdp->brdtype) {
3368 case BRD_ONBOARD2_32:
3380 kprintf("STALLION: %s board type not supported in this driver\n",
3381 stli_brdnames[brdp->brdtype]);
3384 kprintf("STALLION: unit=%d is unknown board type=%d\n",
3385 brdp->brdnr, brdp->brdtype);
3392 /*****************************************************************************/
3395 * Finish off the remaining initialization for a board.
3398 static int stli_brdattach(stlibrd_t *brdp)
3401 kprintf("stli_brdattach(brdp=%x)\n", (int) brdp);
3405 if ((brdp->state & BST_FOUND) == 0) {
3406 kprintf("STALLION: %s board not found, unit=%d io=%x mem=%x\n",
3407 stli_brdnames[brdp->brdtype], brdp->brdnr,
3408 brdp->iobase, (int) brdp->paddr);
3413 stli_initports(brdp);
3414 kprintf("stli%d: %s (driver version %s), unit=%d nrpanels=%d "
3415 "nrports=%d\n", brdp->unitid, stli_brdnames[brdp->brdtype],
3416 stli_drvversion, brdp->brdnr, brdp->nrpanels, brdp->nrports);
3420 /*****************************************************************************/
3422 /*****************************************************************************/
3425 * Return the board stats structure to user app.
3428 static int stli_getbrdstats(caddr_t data)
3434 kprintf("stli_getbrdstats(data=%p)\n", (void *) data);
3437 stli_brdstats = *((combrd_t *) data);
3438 if (stli_brdstats.brd >= STL_MAXBRDS)
3440 brdp = stli_brds[stli_brdstats.brd];
3444 bzero(&stli_brdstats, sizeof(combrd_t));
3445 stli_brdstats.brd = brdp->brdnr;
3446 stli_brdstats.type = brdp->brdtype;
3447 stli_brdstats.hwid = 0;
3448 stli_brdstats.state = brdp->state;
3449 stli_brdstats.ioaddr = brdp->iobase;
3450 stli_brdstats.memaddr = brdp->paddr;
3451 stli_brdstats.nrpanels = brdp->nrpanels;
3452 stli_brdstats.nrports = brdp->nrports;
3453 for (i = 0; (i < brdp->nrpanels); i++) {
3454 stli_brdstats.panels[i].panel = i;
3455 stli_brdstats.panels[i].hwid = brdp->panelids[i];
3456 stli_brdstats.panels[i].nrports = brdp->panels[i];
3459 *((combrd_t *) data) = stli_brdstats;
3463 /*****************************************************************************/
3466 * Resolve the referenced port number into a port struct pointer.
3469 static stliport_t *stli_getport(int brdnr, int panelnr, int portnr)
3474 if ((brdnr < 0) || (brdnr >= STL_MAXBRDS))
3476 brdp = stli_brds[brdnr];
3479 for (i = 0; (i < panelnr); i++)
3480 portnr += brdp->panels[i];
3481 if ((portnr < 0) || (portnr >= brdp->nrports))
3483 return(brdp->ports[portnr]);
3486 /*****************************************************************************/
3489 * Return the port stats structure to user app. A NULL port struct
3490 * pointer passed in means that we need to find out from the app
3491 * what port to get stats for (used through board control device).
3494 static int stli_getportstats(stliport_t *portp, caddr_t data)
3499 if (portp == NULL) {
3500 stli_comstats = *((comstats_t *) data);
3501 portp = stli_getport(stli_comstats.brd, stli_comstats.panel,
3502 stli_comstats.port);
3507 brdp = stli_brds[portp->brdnr];
3511 if (brdp->state & BST_STARTED) {
3512 if ((rc = stli_cmdwait(brdp, portp, A_GETSTATS, &stli_cdkstats,
3513 sizeof(asystats_t), 1)) < 0)
3516 bzero(&stli_cdkstats, sizeof(asystats_t));
3519 stli_comstats.brd = portp->brdnr;
3520 stli_comstats.panel = portp->panelnr;
3521 stli_comstats.port = portp->portnr;
3522 stli_comstats.state = portp->state;
3523 /*stli_comstats.flags = portp->flags;*/
3524 stli_comstats.ttystate = portp->tty.t_state;
3525 stli_comstats.cflags = portp->tty.t_cflag;
3526 stli_comstats.iflags = portp->tty.t_iflag;
3527 stli_comstats.oflags = portp->tty.t_oflag;
3528 stli_comstats.lflags = portp->tty.t_lflag;
3530 stli_comstats.txtotal = stli_cdkstats.txchars;
3531 stli_comstats.rxtotal = stli_cdkstats.rxchars + stli_cdkstats.ringover;
3532 stli_comstats.txbuffered = stli_cdkstats.txringq;
3533 stli_comstats.rxbuffered = stli_cdkstats.rxringq;
3534 stli_comstats.rxoverrun = stli_cdkstats.overruns;
3535 stli_comstats.rxparity = stli_cdkstats.parity;
3536 stli_comstats.rxframing = stli_cdkstats.framing;
3537 stli_comstats.rxlost = stli_cdkstats.ringover + portp->rxlost;
3538 stli_comstats.rxbreaks = stli_cdkstats.rxbreaks;
3539 stli_comstats.txbreaks = stli_cdkstats.txbreaks;
3540 stli_comstats.txxon = stli_cdkstats.txstart;
3541 stli_comstats.txxoff = stli_cdkstats.txstop;
3542 stli_comstats.rxxon = stli_cdkstats.rxstart;
3543 stli_comstats.rxxoff = stli_cdkstats.rxstop;
3544 stli_comstats.rxrtsoff = stli_cdkstats.rtscnt / 2;
3545 stli_comstats.rxrtson = stli_cdkstats.rtscnt - stli_comstats.rxrtsoff;
3546 stli_comstats.modem = stli_cdkstats.dcdcnt;
3547 stli_comstats.hwid = stli_cdkstats.hwid;
3548 stli_comstats.signals = stli_mktiocm(stli_cdkstats.signals);
3550 *((comstats_t *) data) = stli_comstats;
3554 /*****************************************************************************/
3557 * Clear the port stats structure. We also return it zeroed out...
3560 static int stli_clrportstats(stliport_t *portp, caddr_t data)
3565 if (portp == NULL) {
3566 stli_comstats = *((comstats_t *) data);
3567 portp = stli_getport(stli_comstats.brd, stli_comstats.panel,
3568 stli_comstats.port);
3573 brdp = stli_brds[portp->brdnr];
3577 if ((rc = stli_cmdwait(brdp, portp, A_CLEARSTATS, 0, 0, 0)) < 0)
3581 bzero(&stli_comstats, sizeof(comstats_t));
3582 stli_comstats.brd = portp->brdnr;
3583 stli_comstats.panel = portp->panelnr;
3584 stli_comstats.port = portp->portnr;
3586 *((comstats_t *) data) = stli_comstats;
3590 /*****************************************************************************/
3593 * Code to handle an "staliomem" read and write operations. This device
3594 * is the contents of the board shared memory. It is used for down
3595 * loading the slave image (and debugging :-)
3598 STATIC int stli_memrw(cdev_t dev, struct uio *uiop, int flag)
3602 int brdnr, size, n, error;
3605 kprintf("stli_memrw(dev=%x,uiop=%x,flag=%x)\n", (int) dev,
3609 brdnr = minor(dev) & 0x7;
3610 brdp = stli_brds[brdnr];
3613 if (brdp->state == 0)
3616 if (uiop->uio_offset >= brdp->memsize)
3620 size = brdp->memsize - uiop->uio_offset;
3625 memptr = (void *) EBRDGETMEMPTR(brdp, uiop->uio_offset);
3626 n = MIN(size, (brdp->pagesize -
3627 (((unsigned long) uiop->uio_offset) % brdp->pagesize)));
3628 error = uiomove(memptr, n, uiop);
3629 if ((uiop->uio_resid == 0) || error)
3638 /*****************************************************************************/
3641 * The "staliomem" device is also required to do some special operations
3642 * on the board. We need to be able to send an interrupt to the board,
3643 * reset it, and start/stop it.
3646 static int stli_memioctl(cdev_t dev, unsigned long cmd, caddr_t data, int flag)
3652 kprintf("stli_memioctl(dev=%s,cmd=%lx,data=%p,flag=%x)\n",
3653 devtoname(dev), cmd, (void *) data, flag);
3657 * Handle board independant ioctls first.
3660 case COM_GETPORTSTATS:
3661 return(stli_getportstats(NULL, data));
3663 case COM_CLRPORTSTATS:
3664 return(stli_clrportstats(NULL, data));
3666 case COM_GETBRDSTATS:
3667 return(stli_getbrdstats(data));
3674 * Handle board dependant ioctls now.
3676 brdnr = minor(dev) & 0x7;
3677 brdp = stli_brds[brdnr];
3680 if (brdp->state == 0)
3690 rc = stli_startbrd(brdp);
3693 brdp->state &= ~BST_STARTED;
3696 brdp->state &= ~BST_STARTED;
3698 if (stli_shared == 0) {
3699 if (brdp->reenable != NULL)
3700 (* brdp->reenable)(brdp);
3703 case COM_GETPORTSTATS:
3704 rc = stli_getportstats(NULL, data);
3706 case COM_CLRPORTSTATS:
3707 rc = stli_clrportstats(NULL, data);
3709 case COM_GETBRDSTATS:
3710 rc = stli_getbrdstats(data);
3720 /*****************************************************************************/