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 $
39 /*****************************************************************************/
41 #include "opt_compat.h"
45 #include <sys/param.h>
46 #include <sys/systm.h>
47 #include <sys/kernel.h>
48 #include <sys/malloc.h>
53 #include <sys/fcntl.h>
55 #include <sys/thread2.h>
56 #include <machine/clock.h>
59 #include <bus/isa/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
105 #define BRD_ECHPCI 26
106 #define BRD_ECH64PCI 27
107 #define BRD_EASYIOPCI 28
109 #define BRD_BRUMBY BRD_BRUMBY4
111 /*****************************************************************************/
114 * Define important driver limitations.
116 #define STL_MAXBRDS 8
117 #define STL_MAXPANELS 4
118 #define STL_PORTSPERPANEL 16
119 #define STL_PORTSPERBRD 64
121 #define STL_MAXCHANS STL_PORTSPERBRD
125 * Define the important minor number break down bits. These have been
126 * chosen to be "compatible" with the standard sio driver minor numbers.
127 * Extra high bits are used to distinguish between boards and also for
128 * really high port numbers (> 32).
130 #define STL_CALLOUTDEV 0x80
131 #define STL_CTRLLOCK 0x40
132 #define STL_CTRLINIT 0x20
133 #define STL_CTRLDEV (STL_CTRLLOCK | STL_CTRLINIT)
135 #define STL_MEMDEV 0x07000000
137 #define STL_DEFSPEED TTYDEF_SPEED
138 #define STL_DEFCFLAG (CS8 | CREAD | HUPCL)
140 /*****************************************************************************/
143 * Define our local driver identity first. Set up stuff to deal with
144 * all the local structures required by a serial tty driver.
146 static char stli_drvname[] = "stli";
147 static char const stli_drvtitle[] = "Stallion Multiport Serial Driver";
148 static char const stli_drvversion[] = "2.0.0";
150 static int stli_nrbrds = 0;
151 static int stli_doingtimeout = 0;
152 static struct callout stli_poll_ch;
155 * Define some macros to use to class define boards.
161 static unsigned char stli_stliprobed[STL_MAXBRDS];
163 /*****************************************************************************/
166 * Define a set of structures to hold all the board/panel/port info
167 * for our ports. These will be dynamically allocated as required at
168 * driver initialization time.
172 * Port and board structures to hold status info about each object.
173 * The board structure contains pointers to structures for each port
174 * connected to it. Panels are not distinguished here, since
175 * communication with the slave board will always be on a per port
195 struct termios initintios;
196 struct termios initouttios;
197 struct termios lockintios;
198 struct termios lockouttios;
199 struct timeval timestamp;
202 unsigned long rxlost;
203 unsigned long rxoffset;
204 unsigned long txoffset;
208 unsigned char reqidx;
209 unsigned char reqbit;
210 unsigned char portidx;
211 unsigned char portbit;
212 struct callout dtr_ch;
216 * Use a structure of function pointers to do board level operations.
217 * These include, enable/disable, paging shared memory, interrupting, etc.
219 typedef struct stlibrd {
236 void (*init)(struct stlibrd *brdp);
237 void (*enable)(struct stlibrd *brdp);
238 void (*reenable)(struct stlibrd *brdp);
239 void (*disable)(struct stlibrd *brdp);
240 void (*intr)(struct stlibrd *brdp);
241 void (*reset)(struct stlibrd *brdp);
242 char *(*getmemptr)(struct stlibrd *brdp,
243 unsigned long offset, int line);
244 int panels[STL_MAXPANELS];
245 int panelids[STL_MAXPANELS];
246 stliport_t *ports[STL_PORTSPERBRD];
249 static stlibrd_t *stli_brds[STL_MAXBRDS];
251 static int stli_shared = 0;
254 * Keep a local char buffer for processing chars into the LD. We
255 * do this to avoid copying from the boards shared memory one char
258 static int stli_rxtmplen;
259 static stliport_t *stli_rxtmpport;
260 static char stli_rxtmpbuf[TTYHOG];
263 * Define global stats structures. Not used often, and can be re-used
264 * for each stats call.
266 static comstats_t stli_comstats;
267 static combrd_t stli_brdstats;
268 static asystats_t stli_cdkstats;
271 * Per board state flags. Used with the state field of the board struct.
272 * Not really much here... All we need to do is keep track of whether
273 * the board has been detected, and whether it is actully running a slave
276 #define BST_FOUND 0x1
277 #define BST_STARTED 0x2
280 * Define the set of port state flags. These are marked for internal
281 * state purposes only, usually to do with the state of communications
282 * with the slave. They need to be updated atomically.
284 #define ST_INITIALIZING 0x1
285 #define ST_INITIALIZED 0x2
286 #define ST_OPENING 0x4
287 #define ST_CLOSING 0x8
288 #define ST_CMDING 0x10
289 #define ST_RXING 0x20
290 #define ST_TXBUSY 0x40
291 #define ST_DOFLUSHRX 0x80
292 #define ST_DOFLUSHTX 0x100
293 #define ST_DOSIGS 0x200
294 #define ST_GETSIGS 0x400
295 #define ST_DTRWAIT 0x800
298 * Define an array of board names as printable strings. Handy for
299 * referencing boards when printing trace and stuff.
301 static char *stli_brdnames[] = {
331 /*****************************************************************************/
334 * Hardware configuration info for ECP boards. These defines apply
335 * to the directly accessable io ports of the ECP. There is a set of
336 * defines for each ECP board type, ISA and EISA.
339 #define ECP_MEMSIZE (128 * 1024)
340 #define ECP_ATPAGESIZE (4 * 1024)
341 #define ECP_EIPAGESIZE (64 * 1024)
343 #define STL_EISAID 0x8c4e
346 * Important defines for the ISA class of ECP board.
349 #define ECP_ATCONFR 1
350 #define ECP_ATMEMAR 2
351 #define ECP_ATMEMPR 3
352 #define ECP_ATSTOP 0x1
353 #define ECP_ATINTENAB 0x10
354 #define ECP_ATENABLE 0x20
355 #define ECP_ATDISABLE 0x00
356 #define ECP_ATADDRMASK 0x3f000
357 #define ECP_ATADDRSHFT 12
360 * Important defines for the EISA class of ECP board.
363 #define ECP_EIMEMARL 1
364 #define ECP_EICONFR 2
365 #define ECP_EIMEMARH 3
366 #define ECP_EIENABLE 0x1
367 #define ECP_EIDISABLE 0x0
368 #define ECP_EISTOP 0x4
369 #define ECP_EIEDGE 0x00
370 #define ECP_EILEVEL 0x80
371 #define ECP_EIADDRMASKL 0x00ff0000
372 #define ECP_EIADDRSHFTL 16
373 #define ECP_EIADDRMASKH 0xff000000
374 #define ECP_EIADDRSHFTH 24
375 #define ECP_EIBRDENAB 0xc84
377 #define ECP_EISAID 0x4
380 * Important defines for the Micro-channel class of ECP board.
381 * (It has a lot in common with the ISA boards.)
384 #define ECP_MCCONFR 1
385 #define ECP_MCSTOP 0x20
386 #define ECP_MCENABLE 0x80
387 #define ECP_MCDISABLE 0x00
390 * Hardware configuration info for ONboard and Brumby boards. These
391 * defines apply to the directly accessable io ports of these boards.
393 #define ONB_IOSIZE 16
394 #define ONB_MEMSIZE (64 * 1024)
395 #define ONB_ATPAGESIZE (64 * 1024)
396 #define ONB_MCPAGESIZE (64 * 1024)
397 #define ONB_EIMEMSIZE (128 * 1024)
398 #define ONB_EIPAGESIZE (64 * 1024)
401 * Important defines for the ISA class of ONboard board.
404 #define ONB_ATMEMAR 1
405 #define ONB_ATCONFR 2
406 #define ONB_ATSTOP 0x4
407 #define ONB_ATENABLE 0x01
408 #define ONB_ATDISABLE 0x00
409 #define ONB_ATADDRMASK 0xff0000
410 #define ONB_ATADDRSHFT 16
412 #define ONB_HIMEMENAB 0x02
415 * Important defines for the EISA class of ONboard board.
418 #define ONB_EIMEMARL 1
419 #define ONB_EICONFR 2
420 #define ONB_EIMEMARH 3
421 #define ONB_EIENABLE 0x1
422 #define ONB_EIDISABLE 0x0
423 #define ONB_EISTOP 0x4
424 #define ONB_EIEDGE 0x00
425 #define ONB_EILEVEL 0x80
426 #define ONB_EIADDRMASKL 0x00ff0000
427 #define ONB_EIADDRSHFTL 16
428 #define ONB_EIADDRMASKH 0xff000000
429 #define ONB_EIADDRSHFTH 24
430 #define ONB_EIBRDENAB 0xc84
432 #define ONB_EISAID 0x1
435 * Important defines for the Brumby boards. They are pretty simple,
436 * there is not much that is programmably configurable.
438 #define BBY_IOSIZE 16
439 #define BBY_MEMSIZE (64 * 1024)
440 #define BBY_PAGESIZE (16 * 1024)
443 #define BBY_ATCONFR 1
444 #define BBY_ATSTOP 0x4
447 * Important defines for the Stallion boards. They are pretty simple,
448 * there is not much that is programmably configurable.
450 #define STAL_IOSIZE 16
451 #define STAL_MEMSIZE (64 * 1024)
452 #define STAL_PAGESIZE (64 * 1024)
455 * Define the set of status register values for EasyConnection panels.
456 * The signature will return with the status value for each panel. From
457 * this we can determine what is attached to the board - before we have
458 * actually down loaded any code to it.
460 #define ECH_PNLSTATUS 2
461 #define ECH_PNL16PORT 0x20
462 #define ECH_PNLIDMASK 0x07
463 #define ECH_PNLXPID 0x40
464 #define ECH_PNLINTRPEND 0x80
467 * Define some macros to do things to the board. Even those these boards
468 * are somewhat related there is often significantly different ways of
469 * doing some operation on it (like enable, paging, reset, etc). So each
470 * board class has a set of functions which do the commonly required
471 * operations. The macros below basically just call these functions,
472 * generally checking for a NULL function - which means that the board
473 * needs nothing done to it to achieve this operation!
475 #define EBRDINIT(brdp) \
476 if (brdp->init != NULL) \
479 #define EBRDENABLE(brdp) \
480 if (brdp->enable != NULL) \
481 (* brdp->enable)(brdp);
483 #define EBRDDISABLE(brdp) \
484 if (brdp->disable != NULL) \
485 (* brdp->disable)(brdp);
487 #define EBRDINTR(brdp) \
488 if (brdp->intr != NULL) \
489 (* brdp->intr)(brdp);
491 #define EBRDRESET(brdp) \
492 if (brdp->reset != NULL) \
493 (* brdp->reset)(brdp);
495 #define EBRDGETMEMPTR(brdp,offset) \
496 (* brdp->getmemptr)(brdp, offset, __LINE__)
499 * Define the maximal baud rate.
501 #define STL_MAXBAUD 230400
503 /*****************************************************************************/
506 * Define macros to extract a brd and port number from a minor number.
507 * This uses the extended minor number range in the upper 2 bytes of
508 * the device number. This gives us plenty of minor numbers to play
511 #define MKDEV2BRD(m) ((minor(m) & 0x00700000) >> 20)
512 #define MKDEV2PORT(m) ((minor(m) & 0x1f) | ((minor(m) & 0x00010000) >> 11))
515 * Define some handy local macros...
518 #define MIN(a,b) (((a) <= (b)) ? (a) : (b))
521 /*****************************************************************************/
524 * Declare all those functions in this driver! First up is the set of
525 * externally visible functions.
527 static int stliprobe(struct isa_device *idp);
528 static int stliattach(struct isa_device *idp);
530 STATIC d_open_t stliopen;
531 STATIC d_close_t stliclose;
532 STATIC d_read_t stliread;
533 STATIC d_write_t stliwrite;
534 STATIC d_ioctl_t stliioctl;
537 * Internal function prototypes.
539 static stliport_t *stli_dev2port(cdev_t dev);
540 static int stli_isaprobe(struct isa_device *idp);
541 static int stli_eisaprobe(struct isa_device *idp);
542 static int stli_brdinit(stlibrd_t *brdp);
543 static int stli_brdattach(stlibrd_t *brdp);
544 static int stli_initecp(stlibrd_t *brdp);
545 static int stli_initonb(stlibrd_t *brdp);
546 static int stli_initports(stlibrd_t *brdp);
547 static int stli_startbrd(stlibrd_t *brdp);
548 static void stli_poll(void *arg);
549 static __inline void stli_brdpoll(stlibrd_t *brdp, volatile cdkhdr_t *hdrp);
550 static __inline int stli_hostcmd(stlibrd_t *brdp, stliport_t *portp);
551 static __inline void stli_dodelaycmd(stliport_t *portp,
552 volatile cdkctrl_t *cp);
553 static void stli_mkasysigs(asysigs_t *sp, int dtr, int rts);
554 static long stli_mktiocm(unsigned long sigvalue);
555 static void stli_rxprocess(stlibrd_t *brdp, stliport_t *portp);
556 static void stli_flush(stliport_t *portp, int flag);
557 static void stli_start(struct tty *tp);
558 static void stli_stop(struct tty *tp, int rw);
559 static int stli_param(struct tty *tp, struct termios *tiosp);
560 static void stli_ttyoptim(stliport_t *portp, struct termios *tiosp);
561 static void stli_dtrwakeup(void *arg);
562 static int stli_initopen(stliport_t *portp);
563 static int stli_shutdownclose(stliport_t *portp);
564 static int stli_rawopen(stlibrd_t *brdp, stliport_t *portp,
565 unsigned long arg, int wait);
566 static int stli_rawclose(stlibrd_t *brdp, stliport_t *portp,
567 unsigned long arg, int wait);
568 static int stli_cmdwait(stlibrd_t *brdp, stliport_t *portp,
569 unsigned long cmd, void *arg, int size, int copyback);
570 static void stli_sendcmd(stlibrd_t *brdp, stliport_t *portp,
571 unsigned long cmd, void *arg, int size, int copyback);
572 static void stli_mkasyport(stliport_t *portp, asyport_t *pp,
573 struct termios *tiosp);
574 static int stli_memrw(cdev_t dev, struct uio *uiop, int flag);
575 static int stli_memioctl(cdev_t dev, unsigned long cmd, caddr_t data,
577 static int stli_getbrdstats(caddr_t data);
578 static int stli_getportstats(stliport_t *portp, caddr_t data);
579 static int stli_clrportstats(stliport_t *portp, caddr_t data);
580 static stliport_t *stli_getport(int brdnr, int panelnr, int portnr);
582 static void stli_ecpinit(stlibrd_t *brdp);
583 static void stli_ecpenable(stlibrd_t *brdp);
584 static void stli_ecpdisable(stlibrd_t *brdp);
585 static void stli_ecpreset(stlibrd_t *brdp);
586 static char *stli_ecpgetmemptr(stlibrd_t *brdp, unsigned long offset,
588 static void stli_ecpintr(stlibrd_t *brdp);
589 static void stli_ecpeiinit(stlibrd_t *brdp);
590 static void stli_ecpeienable(stlibrd_t *brdp);
591 static void stli_ecpeidisable(stlibrd_t *brdp);
592 static void stli_ecpeireset(stlibrd_t *brdp);
593 static char *stli_ecpeigetmemptr(stlibrd_t *brdp, unsigned long offset,
595 static void stli_onbinit(stlibrd_t *brdp);
596 static void stli_onbenable(stlibrd_t *brdp);
597 static void stli_onbdisable(stlibrd_t *brdp);
598 static void stli_onbreset(stlibrd_t *brdp);
599 static char *stli_onbgetmemptr(stlibrd_t *brdp, unsigned long offset,
601 static void stli_onbeinit(stlibrd_t *brdp);
602 static void stli_onbeenable(stlibrd_t *brdp);
603 static void stli_onbedisable(stlibrd_t *brdp);
604 static void stli_onbereset(stlibrd_t *brdp);
605 static char *stli_onbegetmemptr(stlibrd_t *brdp, unsigned long offset,
607 static void stli_bbyinit(stlibrd_t *brdp);
608 static void stli_bbyreset(stlibrd_t *brdp);
609 static char *stli_bbygetmemptr(stlibrd_t *brdp, unsigned long offset,
611 static void stli_stalinit(stlibrd_t *brdp);
612 static void stli_stalreset(stlibrd_t *brdp);
613 static char *stli_stalgetmemptr(stlibrd_t *brdp, unsigned long offset,
616 /*****************************************************************************/
619 * Declare the driver isa structure.
621 struct isa_driver stlidriver = {
622 stliprobe, stliattach, stli_drvname
625 /*****************************************************************************/
630 * FreeBSD-2.2+ kernel linkage.
633 static struct dev_ops stli_ops = {
634 { stli_drvname, 0, D_TTY },
636 .d_close = stliclose,
638 .d_write = stliwrite,
639 .d_ioctl = stliioctl,
640 .d_kqfilter = ttykqfilter,
641 .d_revoke = ttyrevoke
646 /*****************************************************************************/
648 static stlibrd_t *stli_brdalloc(void)
652 brdp = kmalloc(sizeof(stlibrd_t), M_TTYS, M_WAITOK | M_ZERO);
656 /*****************************************************************************/
659 * Find an available internal board number (unit number). The problem
660 * is that the same unit numbers can be assigned to different class
661 * boards - but we only want to maintain one setup board structures.
664 static int stli_findfreeunit(void)
668 for (i = 0; (i < STL_MAXBRDS); i++)
669 if (stli_brds[i] == NULL)
671 return((i >= STL_MAXBRDS) ? -1 : i);
674 /*****************************************************************************/
677 * Try and determine the ISA board type. Hopefully the board
678 * configuration entry will help us out, using the flags field.
679 * If not, we may ne be able to determine the board type...
682 static int stli_isaprobe(struct isa_device *idp)
687 kprintf("stli_isaprobe(idp=%x): unit=%d iobase=%x flags=%x\n",
688 (int) idp, idp->id_unit, idp->id_iobase, idp->id_flags);
691 switch (idp->id_flags) {
699 btype = idp->id_flags;
708 /*****************************************************************************/
711 * Probe for an EISA board type. We should be able to read the EISA ID,
712 * that will tell us if a board is present or not...
715 static int stli_eisaprobe(struct isa_device *idp)
720 kprintf("stli_eisaprobe(idp=%x): unit=%d iobase=%x flags=%x\n",
721 (int) idp, idp->id_unit, idp->id_iobase, idp->id_flags);
725 * Firstly check if this is an EISA system. Do this by probing for
726 * the system board EISA ID. If this is not an EISA system then
727 * don't bother going any further!
730 if (inb(0xc80) == 0xff)
734 * Try and read the EISA ID from the board at specified address.
735 * If one is present it will tell us the board type as well.
737 outb((idp->id_iobase + 0xc80), 0xff);
738 eid = inb(idp->id_iobase + 0xc80);
739 eid |= inb(idp->id_iobase + 0xc81) << 8;
740 if (eid != STL_EISAID)
744 eid = inb(idp->id_iobase + 0xc82);
745 if (eid == ECP_EISAID)
747 else if (eid == ONB_EISAID)
748 btype = BRD_ONBOARDE;
750 outb((idp->id_iobase + 0xc84), 0x1);
754 /*****************************************************************************/
757 * Probe for a board. This is involved, since we need to enable the
758 * shared memory region to see if the board is really there or not...
761 static int stliprobe(struct isa_device *idp)
767 kprintf("stliprobe(idp=%x): unit=%d iobase=%x flags=%x\n", (int) idp,
768 idp->id_unit, idp->id_iobase, idp->id_flags);
771 if (idp->id_unit > STL_MAXBRDS)
775 * First up determine what bus type of board we might be dealing
776 * with. It is easy to separate out the ISA from the EISA
777 * boards, based on their IO addresses.
780 if ((idp->id_iobase > 0) && (idp->id_iobase < 0x400))
782 else if ((idp->id_iobase & ~0xf000) == 0)
785 if ((bclass == 0) || (idp->id_iobase == 0))
789 * Based on the board bus type, try and figure out what it might be...
792 if (bclass & BRD_ISA)
793 btype = stli_isaprobe(idp);
794 if ((btype == 0) && (bclass & BRD_EISA))
795 btype = stli_eisaprobe(idp);
800 * Go ahead and try probing for the shared memory region now.
801 * This way we will really know if the board is here...
803 if ((brdp = stli_brdalloc()) == NULL)
806 brdp->brdnr = stli_findfreeunit();
807 brdp->brdtype = btype;
808 brdp->unitid = idp->id_unit;
809 brdp->iobase = idp->id_iobase;
810 brdp->vaddr = idp->id_maddr;
811 brdp->paddr = vtophys(idp->id_maddr);
814 kprintf("%s(%d): btype=%x unit=%d brd=%d io=%x mem=%lx(%p)\n",
815 __file__, __LINE__, btype, brdp->unitid, brdp->brdnr,
816 brdp->iobase, brdp->paddr, (void *) brdp->vaddr);
819 stli_stliprobed[idp->id_unit] = brdp->brdnr;
821 if ((brdp->state & BST_FOUND) == 0) {
822 stli_brds[brdp->brdnr] = NULL;
829 /*****************************************************************************/
832 * Allocate resources for and initialize a board.
835 static int stliattach(struct isa_device *idp)
841 kprintf("stliattach(idp=%p): unit=%d iobase=%x\n", (void *) idp,
842 idp->id_unit, idp->id_iobase);
845 brdnr = stli_stliprobed[idp->id_unit];
846 brdp = stli_brds[brdnr];
849 if (brdp->state & BST_FOUND)
850 stli_brdattach(brdp);
855 /*****************************************************************************/
857 STATIC int stliopen(struct dev_open_args *ap)
859 cdev_t dev = ap->a_head.a_dev;
865 kprintf("stliopen(dev=%x,flag=%x,mode=%x,p=%x)\n", (int) dev, flag,
870 * Firstly check if the supplied device number is a valid device.
872 if (minor(dev) & STL_MEMDEV)
875 portp = stli_dev2port(dev);
878 if (minor(dev) & STL_CTRLDEV)
882 callout = minor(dev) & STL_CALLOUTDEV;
889 * Wait here for the DTR drop timeout period to expire.
891 while (portp->state & ST_DTRWAIT) {
892 error = tsleep(&portp->dtrwait, PCATCH, "stlidtr", 0);
898 * If the port is in its raw hardware initialization phase, then
899 * hold up here 'till it is done.
901 while (portp->state & (ST_INITIALIZING | ST_CLOSING)) {
902 error = tsleep(&portp->state, PCATCH, "stliraw", 0);
908 * We have a valid device, so now we check if it is already open.
909 * If not then initialize the port hardware and set up the tty
910 * struct as required.
912 if ((tp->t_state & TS_ISOPEN) == 0) {
913 tp->t_oproc = stli_start;
914 tp->t_param = stli_param;
915 tp->t_stop = stli_stop;
917 tp->t_termios = callout ? portp->initouttios :
919 stli_initopen(portp);
920 wakeup(&portp->state);
922 if ((portp->sigs & TIOCM_CD) || callout)
923 (*linesw[tp->t_line].l_modem)(tp, 1);
926 if (portp->callout == 0) {
931 if (portp->callout != 0) {
932 if (ap->a_oflags & O_NONBLOCK) {
936 error = tsleep(&portp->callout,
937 PCATCH, "stlicall", 0);
940 goto stliopen_restart;
943 if ((tp->t_state & TS_XCLUDE) &&
944 priv_check_cred(ap->a_cred, PRIV_ROOT, 0)) {
951 * If this port is not the callout device and we do not have carrier
952 * then we need to sleep, waiting for it to be asserted.
954 if (((tp->t_state & TS_CARR_ON) == 0) && !callout &&
955 ((tp->t_cflag & CLOCAL) == 0) &&
956 ((ap->a_oflags & O_NONBLOCK) == 0)) {
958 error = tsleep(TSA_CARR_ON(tp), PCATCH, "stlidcd",0);
962 goto stliopen_restart;
966 * Open the line discipline.
968 error = (*linesw[tp->t_line].l_open)(dev, tp);
969 stli_ttyoptim(portp, &tp->t_termios);
970 if ((tp->t_state & TS_ISOPEN) && callout)
974 * If for any reason we get to here and the port is not actually
975 * open then close of the physical hardware - no point leaving it
976 * active when the open failed...
980 if (((tp->t_state & TS_ISOPEN) == 0) && (portp->waitopens == 0))
981 stli_shutdownclose(portp);
986 /*****************************************************************************/
988 STATIC int stliclose(struct dev_close_args *ap)
990 cdev_t dev = ap->a_head.a_dev;
995 kprintf("stliclose(dev=%s,flag=%x,mode=%x,p=%p)\n",
996 devtoname(dev), flag, mode, (void *) p);
999 if (minor(dev) & STL_MEMDEV)
1001 if (minor(dev) & STL_CTRLDEV)
1004 portp = stli_dev2port(dev);
1010 (*linesw[tp->t_line].l_close)(tp, ap->a_fflag);
1011 stli_ttyoptim(portp, &tp->t_termios);
1012 stli_shutdownclose(portp);
1019 STATIC int stliread(struct dev_read_args *ap)
1021 cdev_t dev = ap->a_head.a_dev;
1025 kprintf("stliread(dev=%s,uiop=%p,flag=%x)\n", devtoname(dev),
1029 if (minor(dev) & STL_MEMDEV)
1030 return(stli_memrw(dev, ap->a_uio, ap->a_ioflag));
1031 if (minor(dev) & STL_CTRLDEV)
1034 portp = stli_dev2port(dev);
1040 /*****************************************************************************/
1044 STATIC void stli_stop(struct tty *tp, int rw)
1047 kprintf("stli_stop(tp=%x,rw=%x)\n", (int) tp, rw);
1050 stli_flush((stliport_t *) tp, rw);
1055 STATIC int stlistop(struct tty *tp, int rw)
1058 kprintf("stlistop(tp=%x,rw=%x)\n", (int) tp, rw);
1061 stli_flush((stliport_t *) tp, rw);
1067 /*****************************************************************************/
1069 STATIC int stliwrite(struct dev_write_args *ap)
1071 cdev_t dev = ap->a_head.a_dev;
1075 kprintf("stliwrite(dev=%s,uiop=%p,flag=%x)\n", devtoname(dev),
1079 if (minor(dev) & STL_MEMDEV)
1080 return(stli_memrw(dev, ap->a_uio, ap->a_ioflag));
1081 if (minor(dev) & STL_CTRLDEV)
1083 portp = stli_dev2port(dev);
1086 return ttywrite(ap);
1089 /*****************************************************************************/
1091 STATIC int stliioctl(struct dev_ioctl_args *ap)
1093 cdev_t dev = ap->a_head.a_dev;
1094 u_long cmd = ap->a_cmd;
1095 caddr_t data = ap->a_data;
1096 struct termios *newtios, *localtios;
1104 kprintf("stliioctl(dev=%s,cmd=%lx,data=%p,flag=%x,p=%p)\n",
1105 devtoname(dev), cmd, (void *) data, ap->a_fflag, (void *) p);
1108 if (minor(dev) & STL_MEMDEV)
1109 return(stli_memioctl(dev, cmd, data, ap->a_fflag));
1111 portp = stli_dev2port(dev);
1114 if ((brdp = stli_brds[portp->brdnr]) == NULL)
1120 * First up handle ioctls on the control devices.
1122 if (minor(dev) & STL_CTRLDEV) {
1123 if ((minor(dev) & STL_CTRLDEV) == STL_CTRLINIT)
1124 localtios = (minor(dev) & STL_CALLOUTDEV) ?
1125 &portp->initouttios : &portp->initintios;
1126 else if ((minor(dev) & STL_CTRLDEV) == STL_CTRLLOCK)
1127 localtios = (minor(dev) & STL_CALLOUTDEV) ?
1128 &portp->lockouttios : &portp->lockintios;
1134 if ((error = priv_check_cred(ap->a_cred, PRIV_ROOT, 0)) == 0)
1135 *localtios = *((struct termios *) data);
1138 *((struct termios *) data) = *localtios;
1141 *((int *) data) = TTYDISC;
1144 bzero(data, sizeof(struct winsize));
1154 * Deal with 4.3 compatibility issues if we have too...
1156 #if defined(COMPAT_43) || defined(COMPAT_SUNOS)
1158 struct termios tios;
1159 unsigned long oldcmd;
1161 tios = tp->t_termios;
1163 if ((error = ttsetcompat(tp, &cmd, data, &tios)))
1166 data = (caddr_t) &tios;
1171 * Carry out some pre-cmd processing work first...
1172 * Hmmm, not so sure we want this, disable for now...
1174 if ((cmd == TIOCSETA) || (cmd == TIOCSETAW) || (cmd == TIOCSETAF)) {
1175 newtios = (struct termios *) data;
1176 localtios = (minor(dev) & STL_CALLOUTDEV) ? &portp->lockouttios :
1179 newtios->c_iflag = (tp->t_iflag & localtios->c_iflag) |
1180 (newtios->c_iflag & ~localtios->c_iflag);
1181 newtios->c_oflag = (tp->t_oflag & localtios->c_oflag) |
1182 (newtios->c_oflag & ~localtios->c_oflag);
1183 newtios->c_cflag = (tp->t_cflag & localtios->c_cflag) |
1184 (newtios->c_cflag & ~localtios->c_cflag);
1185 newtios->c_lflag = (tp->t_lflag & localtios->c_lflag) |
1186 (newtios->c_lflag & ~localtios->c_lflag);
1187 for (i = 0; (i < NCCS); i++) {
1188 if (localtios->c_cc[i] != 0)
1189 newtios->c_cc[i] = tp->t_cc[i];
1191 if (localtios->c_ispeed != 0)
1192 newtios->c_ispeed = tp->t_ispeed;
1193 if (localtios->c_ospeed != 0)
1194 newtios->c_ospeed = tp->t_ospeed;
1198 * Call the line discipline and the common command processing to
1199 * process this command (if they can).
1201 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data,
1202 ap->a_fflag, ap->a_cred);
1203 if (error != ENOIOCTL)
1207 error = ttioctl(tp, cmd, data, ap->a_fflag);
1208 stli_ttyoptim(portp, &tp->t_termios);
1209 if (error != ENOIOCTL) {
1217 * Process local commands here. These are all commands that only we
1218 * can take care of (they all rely on actually doing something special
1219 * to the actual hardware).
1224 error = stli_cmdwait(brdp, portp, A_BREAK, &arg,
1225 sizeof(unsigned long), 0);
1229 error = stli_cmdwait(brdp, portp, A_BREAK, &arg,
1230 sizeof(unsigned long), 0);
1233 stli_mkasysigs(&portp->asig, 1, -1);
1234 error = stli_cmdwait(brdp, portp, A_SETSIGNALS, &portp->asig,
1235 sizeof(asysigs_t), 0);
1238 stli_mkasysigs(&portp->asig, 0, -1);
1239 error = stli_cmdwait(brdp, portp, A_SETSIGNALS, &portp->asig,
1240 sizeof(asysigs_t), 0);
1243 i = *((int *) data);
1244 stli_mkasysigs(&portp->asig, ((i & TIOCM_DTR) ? 1 : 0),
1245 ((i & TIOCM_RTS) ? 1 : 0));
1246 error = stli_cmdwait(brdp, portp, A_SETSIGNALS, &portp->asig,
1247 sizeof(asysigs_t), 0);
1250 i = *((int *) data);
1251 stli_mkasysigs(&portp->asig, ((i & TIOCM_DTR) ? 1 : -1),
1252 ((i & TIOCM_RTS) ? 1 : -1));
1253 error = stli_cmdwait(brdp, portp, A_SETSIGNALS, &portp->asig,
1254 sizeof(asysigs_t), 0);
1257 i = *((int *) data);
1258 stli_mkasysigs(&portp->asig, ((i & TIOCM_DTR) ? 0 : -1),
1259 ((i & TIOCM_RTS) ? 0 : -1));
1260 error = stli_cmdwait(brdp, portp, A_SETSIGNALS, &portp->asig,
1261 sizeof(asysigs_t), 0);
1264 if ((error = stli_cmdwait(brdp, portp, A_GETSIGNALS,
1265 &portp->asig, sizeof(asysigs_t), 1)) < 0)
1267 portp->sigs = stli_mktiocm(portp->asig.sigvalue);
1268 *((int *) data) = (portp->sigs | TIOCM_LE);
1271 if ((error = priv_check_cred(ap->a_cred, PRIV_ROOT, 0)) == 0)
1272 portp->dtrwait = *((int *) data) * hz / 100;
1275 *((int *) data) = portp->dtrwait * 100 / hz;
1278 portp->dotimestamp = 1;
1279 *((struct timeval *) data) = portp->timestamp;
1282 *((unsigned long *) data) = portp->pflag;
1285 portp->pflag = *((unsigned long *) data);
1286 stli_param(&portp->tty, &portp->tty.t_termios);
1297 /*****************************************************************************/
1300 * Convert the specified minor device number into a port struct
1301 * pointer. Return NULL if the device number is not a valid port.
1304 STATIC stliport_t *stli_dev2port(cdev_t dev)
1308 brdp = stli_brds[MKDEV2BRD(dev)];
1311 if ((brdp->state & BST_STARTED) == 0)
1313 return(brdp->ports[MKDEV2PORT(dev)]);
1316 /*****************************************************************************/
1319 * Carry out first open operations on a port. This involves a number of
1320 * commands to be sent to the slave. We need to open the port, set the
1321 * notification events, set the initial port settings, get and set the
1322 * initial signal values. We sleep and wait in between each one. But
1323 * this still all happens pretty quickly.
1326 static int stli_initopen(stliport_t *portp)
1334 kprintf("stli_initopen(portp=%x)\n", (int) portp);
1337 if ((brdp = stli_brds[portp->brdnr]) == NULL)
1339 if (portp->state & ST_INITIALIZED)
1341 portp->state |= ST_INITIALIZED;
1343 if ((rc = stli_rawopen(brdp, portp, 0, 1)) < 0)
1346 bzero(&nt, sizeof(asynotify_t));
1347 nt.data = (DT_TXLOW | DT_TXEMPTY | DT_RXBUSY | DT_RXBREAK);
1349 if ((rc = stli_cmdwait(brdp, portp, A_SETNOTIFY, &nt,
1350 sizeof(asynotify_t), 0)) < 0)
1353 stli_mkasyport(portp, &aport, &portp->tty.t_termios);
1354 if ((rc = stli_cmdwait(brdp, portp, A_SETPORT, &aport,
1355 sizeof(asyport_t), 0)) < 0)
1358 portp->state |= ST_GETSIGS;
1359 if ((rc = stli_cmdwait(brdp, portp, A_GETSIGNALS, &portp->asig,
1360 sizeof(asysigs_t), 1)) < 0)
1362 if (portp->state & ST_GETSIGS) {
1363 portp->sigs = stli_mktiocm(portp->asig.sigvalue);
1364 portp->state &= ~ST_GETSIGS;
1367 stli_mkasysigs(&portp->asig, 1, 1);
1368 if ((rc = stli_cmdwait(brdp, portp, A_SETSIGNALS, &portp->asig,
1369 sizeof(asysigs_t), 0)) < 0)
1375 /*****************************************************************************/
1378 * Shutdown the hardware of a port.
1381 static int stli_shutdownclose(stliport_t *portp)
1387 kprintf("stli_shutdownclose(portp=%p): brdnr=%d panelnr=%d portnr=%d\n",
1388 (void *) portp, portp->brdnr, portp->panelnr, portp->portnr);
1391 if ((brdp = stli_brds[portp->brdnr]) == NULL)
1395 stli_rawclose(brdp, portp, 0, 0);
1396 stli_flush(portp, (FWRITE | FREAD));
1397 if (tp->t_cflag & HUPCL) {
1399 stli_mkasysigs(&portp->asig, 0, 0);
1400 if (portp->state & ST_CMDING) {
1401 portp->state |= ST_DOSIGS;
1403 stli_sendcmd(brdp, portp, A_SETSIGNALS,
1404 &portp->asig, sizeof(asysigs_t), 0);
1407 if (portp->dtrwait != 0) {
1408 portp->state |= ST_DTRWAIT;
1409 callout_reset(&portp->dtr_ch, portp->dtrwait,
1410 stli_dtrwakeup, portp);
1414 portp->state &= ~ST_INITIALIZED;
1415 wakeup(&portp->callout);
1416 wakeup(TSA_CARR_ON(tp));
1420 /*****************************************************************************/
1423 * Clear the DTR waiting flag, and wake up any sleepers waiting for
1424 * DTR wait period to finish.
1427 static void stli_dtrwakeup(void *arg)
1431 portp = (stliport_t *) arg;
1432 portp->state &= ~ST_DTRWAIT;
1433 wakeup(&portp->dtrwait);
1436 /*****************************************************************************/
1439 * Send an open message to the slave. This will sleep waiting for the
1440 * acknowledgement, so must have user context. We need to co-ordinate
1441 * with close events here, since we don't want open and close events
1445 static int stli_rawopen(stlibrd_t *brdp, stliport_t *portp, unsigned long arg, int wait)
1447 volatile cdkhdr_t *hdrp;
1448 volatile cdkctrl_t *cp;
1449 volatile unsigned char *bits;
1453 kprintf("stli_rawopen(brdp=%x,portp=%x,arg=%x,wait=%d)\n", (int) brdp,
1454 (int) portp, (int) arg, wait);
1460 * Slave is already closing this port. This can happen if a hangup
1461 * occurs on this port. So we must wait until it is complete. The
1462 * order of opens and closes may not be preserved across shared
1463 * memory, so we must wait until it is complete.
1465 while (portp->state & ST_CLOSING) {
1466 rc = tsleep(&portp->state, PCATCH, "stliraw", 0);
1474 * Everything is ready now, so write the open message into shared
1475 * memory. Once the message is in set the service bits to say that
1476 * this port wants service.
1479 cp = &((volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr))->ctrl;
1482 hdrp = (volatile cdkhdr_t *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
1483 bits = ((volatile unsigned char *) hdrp) + brdp->slaveoffset +
1485 *bits |= portp->portbit;
1494 * Slave is in action, so now we must wait for the open acknowledgment
1498 portp->state |= ST_OPENING;
1499 while (portp->state & ST_OPENING) {
1500 rc = tsleep(&portp->state, PCATCH, "stliraw", 0);
1508 if ((rc == 0) && (portp->rc != 0))
1513 /*****************************************************************************/
1516 * Send a close message to the slave. Normally this will sleep waiting
1517 * for the acknowledgement, but if wait parameter is 0 it will not. If
1518 * wait is true then must have user context (to sleep).
1521 static int stli_rawclose(stlibrd_t *brdp, stliport_t *portp, unsigned long arg, int wait)
1523 volatile cdkhdr_t *hdrp;
1524 volatile cdkctrl_t *cp;
1525 volatile unsigned char *bits;
1529 kprintf("stli_rawclose(brdp=%x,portp=%x,arg=%x,wait=%d)\n", (int) brdp,
1530 (int) portp, (int) arg, wait);
1536 * Slave is already closing this port. This can happen if a hangup
1537 * occurs on this port.
1540 while (portp->state & ST_CLOSING) {
1541 rc = tsleep(&portp->state, PCATCH, "stliraw", 0);
1550 * Write the close command into shared memory.
1553 cp = &((volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr))->ctrl;
1556 hdrp = (volatile cdkhdr_t *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
1557 bits = ((volatile unsigned char *) hdrp) + brdp->slaveoffset +
1559 *bits |= portp->portbit;
1562 portp->state |= ST_CLOSING;
1569 * Slave is in action, so now we must wait for the open acknowledgment
1573 while (portp->state & ST_CLOSING) {
1574 rc = tsleep(&portp->state, PCATCH, "stliraw", 0);
1582 if ((rc == 0) && (portp->rc != 0))
1587 /*****************************************************************************/
1590 * Send a command to the slave and wait for the response. This must
1591 * have user context (it sleeps). This routine is generic in that it
1592 * can send any type of command. Its purpose is to wait for that command
1593 * to complete (as opposed to initiating the command then returning).
1596 static int stli_cmdwait(stlibrd_t *brdp, stliport_t *portp, unsigned long cmd, void *arg, int size, int copyback)
1601 kprintf("stli_cmdwait(brdp=%x,portp=%x,cmd=%x,arg=%x,size=%d,"
1602 "copyback=%d)\n", (int) brdp, (int) portp, (int) cmd,
1603 (int) arg, size, copyback);
1607 while (portp->state & ST_CMDING) {
1608 rc = tsleep(&portp->state, PCATCH, "stliraw", 0);
1615 stli_sendcmd(brdp, portp, cmd, arg, size, copyback);
1617 while (portp->state & ST_CMDING) {
1618 rc = tsleep(&portp->state, PCATCH, "stliraw", 0);
1631 /*****************************************************************************/
1634 * Start (or continue) the transfer of TX data on this port. If the
1635 * port is not currently busy then load up the interrupt ring queue
1636 * buffer and kick of the transmitter. If the port is running low on
1637 * TX data then refill the ring queue. This routine is also used to
1638 * activate input flow control!
1641 static void stli_start(struct tty *tp)
1643 volatile cdkasy_t *ap;
1644 volatile cdkhdr_t *hdrp;
1645 volatile unsigned char *bits;
1646 unsigned char *shbuf;
1649 unsigned int len, stlen, head, tail, size;
1652 portp = (stliport_t *) tp;
1655 kprintf("stli_start(tp=%x): brdnr=%d portnr=%d\n", (int) tp,
1656 portp->brdnr, portp->portnr);
1663 * Check if the output cooked clist buffers are near empty, wake up
1664 * the line discipline to fill it up.
1666 if (tp->t_outq.c_cc <= tp->t_lowat) {
1667 if (tp->t_state & TS_ASLEEP) {
1668 tp->t_state &= ~TS_ASLEEP;
1669 wakeup(&tp->t_outq);
1671 KNOTE(&tp->t_wsel.si_note, 0);
1675 if (tp->t_state & (TS_TIMEOUT | TS_TTSTOP)) {
1681 * Copy data from the clists into the interrupt ring queue. This will
1682 * require at most 2 copys... What we do is calculate how many chars
1683 * can fit into the ring queue, and how many can fit in 1 copy. If after
1684 * the first copy there is still more room then do the second copy.
1686 if (tp->t_outq.c_cc != 0) {
1687 brdp = stli_brds[portp->brdnr];
1694 ap = (volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr);
1695 head = (unsigned int) ap->txq.head;
1696 tail = (unsigned int) ap->txq.tail;
1697 if (tail != ((unsigned int) ap->txq.tail))
1698 tail = (unsigned int) ap->txq.tail;
1699 size = portp->txsize;
1701 len = size - (head - tail) - 1;
1702 stlen = size - head;
1704 len = tail - head - 1;
1709 shbuf = (char *) EBRDGETMEMPTR(brdp, portp->txoffset);
1712 stlen = MIN(len, stlen);
1713 count = q_to_b(&tp->t_outq, (shbuf + head), stlen);
1719 stlen = q_to_b(&tp->t_outq, shbuf, len);
1726 ap = (volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr);
1727 ap->txq.head = head;
1728 hdrp = (volatile cdkhdr_t *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
1729 bits = ((volatile unsigned char *) hdrp) + brdp->slaveoffset +
1731 *bits |= portp->portbit;
1732 portp->state |= ST_TXBUSY;
1733 tp->t_state |= TS_BUSY;
1740 * Do any writer wakeups.
1748 /*****************************************************************************/
1751 * Send a new port configuration to the slave.
1754 static int stli_param(struct tty *tp, struct termios *tiosp)
1761 portp = (stliport_t *) tp;
1762 if ((brdp = stli_brds[portp->brdnr]) == NULL)
1766 stli_mkasyport(portp, &aport, tiosp);
1767 /* can we sleep here? */
1768 rc = stli_cmdwait(brdp, portp, A_SETPORT, &aport, sizeof(asyport_t), 0);
1769 stli_ttyoptim(portp, tiosp);
1774 /*****************************************************************************/
1777 * Flush characters from the lower buffer. We may not have user context
1778 * so we cannot sleep waiting for it to complete. Also we need to check
1779 * if there is chars for this port in the TX cook buffer, and flush them
1783 static void stli_flush(stliport_t *portp, int flag)
1786 unsigned long ftype;
1789 kprintf("stli_flush(portp=%x,flag=%x)\n", (int) portp, flag);
1794 if ((portp->brdnr < 0) || (portp->brdnr >= stli_nrbrds))
1796 brdp = stli_brds[portp->brdnr];
1801 if (portp->state & ST_CMDING) {
1802 portp->state |= (flag & FWRITE) ? ST_DOFLUSHTX : 0;
1803 portp->state |= (flag & FREAD) ? ST_DOFLUSHRX : 0;
1805 ftype = (flag & FWRITE) ? FLUSHTX : 0;
1806 ftype |= (flag & FREAD) ? FLUSHRX : 0;
1807 portp->state &= ~(ST_DOFLUSHTX | ST_DOFLUSHRX);
1808 stli_sendcmd(brdp, portp, A_FLUSH, &ftype,
1809 sizeof(unsigned long), 0);
1811 if ((flag & FREAD) && (stli_rxtmpport == portp))
1816 /*****************************************************************************/
1819 * Generic send command routine. This will send a message to the slave,
1820 * of the specified type with the specified argument. Must be very
1821 * carefull of data that will be copied out from shared memory -
1822 * containing command results. The command completion is all done from
1823 * a poll routine that does not have user coontext. Therefore you cannot
1824 * copy back directly into user space, or to the kernel stack of a
1825 * process. This routine does not sleep, so can be called from anywhere,
1826 * and must be called with interrupt locks set.
1829 static void stli_sendcmd(stlibrd_t *brdp, stliport_t *portp, unsigned long cmd, void *arg, int size, int copyback)
1831 volatile cdkhdr_t *hdrp;
1832 volatile cdkctrl_t *cp;
1833 volatile unsigned char *bits;
1836 kprintf("stli_sendcmd(brdp=%x,portp=%x,cmd=%x,arg=%x,size=%d,"
1837 "copyback=%d)\n", (int) brdp, (int) portp, (int) cmd,
1838 (int) arg, size, copyback);
1841 if (portp->state & ST_CMDING) {
1842 kprintf("STALLION: command already busy, cmd=%x!\n", (int) cmd);
1847 cp = &((volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr))->ctrl;
1849 bcopy(arg, &(cp->args[0]), size);
1852 portp->argsize = size;
1857 hdrp = (volatile cdkhdr_t *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
1858 bits = ((volatile unsigned char *) hdrp) + brdp->slaveoffset +
1860 *bits |= portp->portbit;
1861 portp->state |= ST_CMDING;
1865 /*****************************************************************************/
1868 * Read data from shared memory. This assumes that the shared memory
1869 * is enabled and that interrupts are off. Basically we just empty out
1870 * the shared memory buffer into the tty buffer. Must be carefull to
1871 * handle the case where we fill up the tty buffer, but still have
1872 * more chars to unload.
1875 static void stli_rxprocess(stlibrd_t *brdp, stliport_t *portp)
1877 volatile cdkasyrq_t *rp;
1878 volatile char *shbuf;
1880 unsigned int head, tail, size;
1881 unsigned int len, stlen, i;
1885 kprintf("stli_rxprocess(brdp=%x,portp=%d)\n", (int) brdp, (int) portp);
1889 if ((tp->t_state & TS_ISOPEN) == 0) {
1890 stli_flush(portp, FREAD);
1893 if (tp->t_state & TS_TBLOCK)
1896 rp = &((volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr))->rxq;
1897 head = (unsigned int) rp->head;
1898 if (head != ((unsigned int) rp->head))
1899 head = (unsigned int) rp->head;
1900 tail = (unsigned int) rp->tail;
1901 size = portp->rxsize;
1906 len = size - (tail - head);
1907 stlen = size - tail;
1913 shbuf = (volatile char *) EBRDGETMEMPTR(brdp, portp->rxoffset);
1916 * If we can bypass normal LD processing then just copy direct
1917 * from board shared memory into the tty buffers.
1919 if (tp->t_state & TS_CAN_BYPASS_L_RINT) {
1920 if (((tp->t_rawq.c_cc + len) >= TTYHOG) &&
1921 ((tp->t_cflag & CRTS_IFLOW) || (tp->t_iflag & IXOFF)) &&
1922 ((tp->t_state & TS_TBLOCK) == 0)) {
1923 ch = TTYHOG - tp->t_rawq.c_cc - 1;
1924 len = (ch > 0) ? ch : 0;
1925 stlen = MIN(stlen, len);
1926 tp->t_state |= TS_TBLOCK;
1928 i = b_to_q(__DEVOLATILE(char *, shbuf + tail), stlen,
1934 i += b_to_q(__DEVOLATILE(char *, shbuf), len,
1940 rp = &((volatile cdkasy_t *)
1941 EBRDGETMEMPTR(brdp, portp->addr))->rxq;
1946 * Copy the data from board shared memory into a local
1947 * memory buffer. Then feed them from here into the LD.
1948 * We don't want to go into board shared memory one char
1949 * at a time, it is too slow...
1953 stlen = min(len, stlen);
1955 stli_rxtmpport = portp;
1956 stli_rxtmplen = len;
1957 bcopy(__DEVOLATILE(char *, shbuf + tail), &stli_rxtmpbuf[0],
1961 bcopy(shbuf, &stli_rxtmpbuf[stlen], len);
1963 for (i = 0; (i < stli_rxtmplen); i++) {
1964 ch = (unsigned char) stli_rxtmpbuf[i];
1965 (*linesw[tp->t_line].l_rint)(ch, tp);
1968 rp = &((volatile cdkasy_t *)
1969 EBRDGETMEMPTR(brdp, portp->addr))->rxq;
1970 if (stli_rxtmplen == 0) {
1971 head = (unsigned int) rp->head;
1972 if (head != ((unsigned int) rp->head))
1973 head = (unsigned int) rp->head;
1981 stli_rxtmpport = NULL;
1985 portp->state |= ST_RXING;
1988 /*****************************************************************************/
1991 * Set up and carry out any delayed commands. There is only a small set
1992 * of slave commands that can be done "off-level". So it is not too
1993 * difficult to deal with them as a special case here.
1996 static __inline void stli_dodelaycmd(stliport_t *portp, volatile cdkctrl_t *cp)
2000 if (portp->state & ST_DOSIGS) {
2001 if ((portp->state & ST_DOFLUSHTX) &&
2002 (portp->state & ST_DOFLUSHRX))
2003 cmd = A_SETSIGNALSF;
2004 else if (portp->state & ST_DOFLUSHTX)
2005 cmd = A_SETSIGNALSFTX;
2006 else if (portp->state & ST_DOFLUSHRX)
2007 cmd = A_SETSIGNALSFRX;
2010 portp->state &= ~(ST_DOFLUSHTX | ST_DOFLUSHRX | ST_DOSIGS);
2011 bcopy(&portp->asig, &(cp->args[0]), sizeof(asysigs_t));
2014 portp->state |= ST_CMDING;
2015 } else if ((portp->state & ST_DOFLUSHTX) ||
2016 (portp->state & ST_DOFLUSHRX)) {
2017 cmd = ((portp->state & ST_DOFLUSHTX) ? FLUSHTX : 0);
2018 cmd |= ((portp->state & ST_DOFLUSHRX) ? FLUSHRX : 0);
2019 portp->state &= ~(ST_DOFLUSHTX | ST_DOFLUSHRX);
2020 bcopy(&cmd, &(cp->args[0]), sizeof(int));
2023 portp->state |= ST_CMDING;
2027 /*****************************************************************************/
2030 * Host command service checking. This handles commands or messages
2031 * coming from the slave to the host. Must have board shared memory
2032 * enabled and interrupts off when called. Notice that by servicing the
2033 * read data last we don't need to change the shared memory pointer
2034 * during processing (which is a slow IO operation).
2035 * Return value indicates if this port is still awaiting actions from
2036 * the slave (like open, command, or even TX data being sent). If 0
2037 * then port is still busy, otherwise the port request bit flag is
2041 static __inline int stli_hostcmd(stlibrd_t *brdp, stliport_t *portp)
2043 volatile cdkasy_t *ap;
2044 volatile cdkctrl_t *cp;
2046 unsigned long oldsigs;
2047 unsigned int head, tail;
2051 kprintf("stli_hostcmd(brdp=%x,portp=%x)\n", (int) brdp, (int) portp);
2054 ap = (volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr);
2058 * Check if we are waiting for an open completion message.
2060 if (portp->state & ST_OPENING) {
2061 rc = (int) cp->openarg;
2062 if ((cp->open == 0) && (rc != 0)) {
2067 portp->state &= ~ST_OPENING;
2068 wakeup(&portp->state);
2073 * Check if we are waiting for a close completion message.
2075 if (portp->state & ST_CLOSING) {
2076 rc = (int) cp->closearg;
2077 if ((cp->close == 0) && (rc != 0)) {
2082 portp->state &= ~ST_CLOSING;
2083 wakeup(&portp->state);
2088 * Check if we are waiting for a command completion message. We may
2089 * need to copy out the command results associated with this command.
2091 if (portp->state & ST_CMDING) {
2093 if ((cp->cmd == 0) && (rc != 0)) {
2096 if (portp->argp != NULL) {
2097 bcopy(&(cp->args[0]), portp->argp,
2103 portp->state &= ~ST_CMDING;
2104 stli_dodelaycmd(portp, cp);
2105 wakeup(&portp->state);
2110 * Check for any notification messages ready. This includes lots of
2111 * different types of events - RX chars ready, RX break received,
2112 * TX data low or empty in the slave, modem signals changed state.
2113 * Must be extremely carefull if we call to the LD, it may call
2114 * other routines of ours that will disable the memory...
2115 * Something else we need to be carefull of is race conditions on
2116 * marking the TX as empty...
2127 if (nt.signal & SG_DCD) {
2128 oldsigs = portp->sigs;
2129 portp->sigs = stli_mktiocm(nt.sigvalue);
2130 portp->state &= ~ST_GETSIGS;
2131 (*linesw[tp->t_line].l_modem)(tp,
2132 (portp->sigs & TIOCM_CD));
2135 if (nt.data & DT_RXBUSY) {
2137 stli_rxprocess(brdp, portp);
2139 if (nt.data & DT_RXBREAK) {
2140 (*linesw[tp->t_line].l_rint)(TTY_BI, tp);
2143 if (nt.data & DT_TXEMPTY) {
2144 ap = (volatile cdkasy_t *)
2145 EBRDGETMEMPTR(brdp, portp->addr);
2146 head = (unsigned int) ap->txq.head;
2147 tail = (unsigned int) ap->txq.tail;
2148 if (tail != ((unsigned int) ap->txq.tail))
2149 tail = (unsigned int) ap->txq.tail;
2150 head = (head >= tail) ? (head - tail) :
2151 portp->txsize - (tail - head);
2153 portp->state &= ~ST_TXBUSY;
2154 tp->t_state &= ~TS_BUSY;
2157 if (nt.data & (DT_TXEMPTY | DT_TXLOW)) {
2158 (*linesw[tp->t_line].l_start)(tp);
2164 * It might seem odd that we are checking for more RX chars here.
2165 * But, we need to handle the case where the tty buffer was previously
2166 * filled, but we had more characters to pass up. The slave will not
2167 * send any more RX notify messages until the RX buffer has been emptied.
2168 * But it will leave the service bits on (since the buffer is not empty).
2169 * So from here we can try to process more RX chars.
2171 if ((!donerx) && (portp->state & ST_RXING)) {
2172 portp->state &= ~ST_RXING;
2173 stli_rxprocess(brdp, portp);
2176 return((portp->state & (ST_OPENING | ST_CLOSING | ST_CMDING |
2177 ST_TXBUSY | ST_RXING)) ? 0 : 1);
2180 /*****************************************************************************/
2183 * Service all ports on a particular board. Assumes that the boards
2184 * shared memory is enabled, and that the page pointer is pointed
2185 * at the cdk header structure.
2188 static __inline void stli_brdpoll(stlibrd_t *brdp, volatile cdkhdr_t *hdrp)
2191 unsigned char hostbits[(STL_MAXCHANS / 8) + 1];
2192 unsigned char slavebits[(STL_MAXCHANS / 8) + 1];
2193 unsigned char *slavep;
2194 int bitpos, bitat, bitsize;
2195 int channr, nrdevs, slavebitchange;
2197 bitsize = brdp->bitsize;
2198 nrdevs = brdp->nrdevs;
2201 * Check if slave wants any service. Basically we try to do as
2202 * little work as possible here. There are 2 levels of service
2203 * bits. So if there is nothing to do we bail early. We check
2204 * 8 service bits at a time in the inner loop, so we can bypass
2205 * the lot if none of them want service.
2207 bcopy(__DEVOLATILE(unsigned char *, hdrp) + brdp->hostoffset,
2208 &hostbits[0], bitsize);
2210 bzero(&slavebits[0], bitsize);
2213 for (bitpos = 0; (bitpos < bitsize); bitpos++) {
2214 if (hostbits[bitpos] == 0)
2216 channr = bitpos * 8;
2218 for (; (channr < nrdevs); channr++, bitat <<=1) {
2219 if (hostbits[bitpos] & bitat) {
2220 portp = brdp->ports[(channr - 1)];
2221 if (stli_hostcmd(brdp, portp)) {
2223 slavebits[bitpos] |= bitat;
2230 * If any of the ports are no longer busy then update them in the
2231 * slave request bits. We need to do this after, since a host port
2232 * service may initiate more slave requests...
2234 if (slavebitchange) {
2235 hdrp = (volatile cdkhdr_t *)
2236 EBRDGETMEMPTR(brdp, CDK_CDKADDR);
2237 slavep = __DEVOLATILE(unsigned char *, hdrp) + brdp->slaveoffset;
2238 for (bitpos = 0; (bitpos < bitsize); bitpos++) {
2239 if (slavebits[bitpos])
2240 slavep[bitpos] &= ~slavebits[bitpos];
2245 /*****************************************************************************/
2248 * Driver poll routine. This routine polls the boards in use and passes
2249 * messages back up to host when neccesary. This is actually very
2250 * CPU efficient, since we will always have the kernel poll clock, it
2251 * adds only a few cycles when idle (since board service can be
2252 * determined very easily), but when loaded generates no interrupts
2253 * (with their expensive associated context change).
2256 static void stli_poll(void *arg)
2258 volatile cdkhdr_t *hdrp;
2265 * Check each board and do any servicing required.
2267 for (brdnr = 0; (brdnr < stli_nrbrds); brdnr++) {
2268 brdp = stli_brds[brdnr];
2271 if ((brdp->state & BST_STARTED) == 0)
2275 hdrp = (volatile cdkhdr_t *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
2277 stli_brdpoll(brdp, hdrp);
2282 callout_reset(&stli_poll_ch, 1, stli_poll, NULL);
2285 /*****************************************************************************/
2288 * Translate the termios settings into the port setting structure of
2292 static void stli_mkasyport(stliport_t *portp, asyport_t *pp, struct termios *tiosp)
2295 kprintf("stli_mkasyport(portp=%x,pp=%x,tiosp=%d)\n", (int) portp,
2296 (int) pp, (int) tiosp);
2299 bzero(pp, sizeof(asyport_t));
2302 * Start of by setting the baud, char size, parity and stop bit info.
2304 if (tiosp->c_ispeed == 0)
2305 tiosp->c_ispeed = tiosp->c_ospeed;
2306 if ((tiosp->c_ospeed < 0) || (tiosp->c_ospeed > STL_MAXBAUD))
2307 tiosp->c_ospeed = STL_MAXBAUD;
2308 pp->baudout = tiosp->c_ospeed;
2309 pp->baudin = pp->baudout;
2311 switch (tiosp->c_cflag & CSIZE) {
2326 if (tiosp->c_cflag & CSTOPB)
2327 pp->stopbs = PT_STOP2;
2329 pp->stopbs = PT_STOP1;
2331 if (tiosp->c_cflag & PARENB) {
2332 if (tiosp->c_cflag & PARODD)
2333 pp->parity = PT_ODDPARITY;
2335 pp->parity = PT_EVENPARITY;
2337 pp->parity = PT_NOPARITY;
2340 if (tiosp->c_iflag & ISTRIP)
2341 pp->iflag |= FI_ISTRIP;
2344 * Set up any flow control options enabled.
2346 if (tiosp->c_iflag & IXON) {
2348 if (tiosp->c_iflag & IXANY)
2349 pp->flow |= F_IXANY;
2351 if (tiosp->c_iflag & IXOFF)
2352 pp->flow |= F_IXOFF;
2353 if (tiosp->c_cflag & CCTS_OFLOW)
2354 pp->flow |= F_CTSFLOW;
2355 if (tiosp->c_cflag & CRTS_IFLOW)
2356 pp->flow |= F_RTSFLOW;
2358 pp->startin = tiosp->c_cc[VSTART];
2359 pp->stopin = tiosp->c_cc[VSTOP];
2360 pp->startout = tiosp->c_cc[VSTART];
2361 pp->stopout = tiosp->c_cc[VSTOP];
2364 * Set up the RX char marking mask with those RX error types we must
2365 * catch. We can get the slave to help us out a little here, it will
2366 * ignore parity errors and breaks for us, and mark parity errors in
2369 if (tiosp->c_iflag & IGNPAR)
2370 pp->iflag |= FI_IGNRXERRS;
2371 if (tiosp->c_iflag & IGNBRK)
2372 pp->iflag |= FI_IGNBREAK;
2373 if (tiosp->c_iflag & (INPCK | PARMRK))
2374 pp->iflag |= FI_1MARKRXERRS;
2377 * Transfer any persistent flags into the asyport structure.
2379 pp->pflag = (portp->pflag & 0xffff);
2380 pp->vmin = (portp->pflag & P_RXIMIN) ? 1 : 0;
2381 pp->vtime = (portp->pflag & P_RXITIME) ? 1 : 0;
2382 pp->cc[1] = (portp->pflag & P_RXTHOLD) ? 1 : 0;
2385 /*****************************************************************************/
2388 * Construct a slave signals structure for setting the DTR and RTS
2389 * signals as specified.
2392 static void stli_mkasysigs(asysigs_t *sp, int dtr, int rts)
2395 kprintf("stli_mkasysigs(sp=%x,dtr=%d,rts=%d)\n", (int) sp, dtr, rts);
2398 bzero(sp, sizeof(asysigs_t));
2400 sp->signal |= SG_DTR;
2401 sp->sigvalue |= ((dtr > 0) ? SG_DTR : 0);
2404 sp->signal |= SG_RTS;
2405 sp->sigvalue |= ((rts > 0) ? SG_RTS : 0);
2409 /*****************************************************************************/
2412 * Convert the signals returned from the slave into a local TIOCM type
2413 * signals value. We keep them localy in TIOCM format.
2416 static long stli_mktiocm(unsigned long sigvalue)
2421 kprintf("stli_mktiocm(sigvalue=%x)\n", (int) sigvalue);
2425 tiocm |= ((sigvalue & SG_DCD) ? TIOCM_CD : 0);
2426 tiocm |= ((sigvalue & SG_CTS) ? TIOCM_CTS : 0);
2427 tiocm |= ((sigvalue & SG_RI) ? TIOCM_RI : 0);
2428 tiocm |= ((sigvalue & SG_DSR) ? TIOCM_DSR : 0);
2429 tiocm |= ((sigvalue & SG_DTR) ? TIOCM_DTR : 0);
2430 tiocm |= ((sigvalue & SG_RTS) ? TIOCM_RTS : 0);
2434 /*****************************************************************************/
2437 * Enable l_rint processing bypass mode if tty modes allow it.
2440 static void stli_ttyoptim(stliport_t *portp, struct termios *tiosp)
2445 if (((tiosp->c_iflag & (ICRNL | IGNCR | IMAXBEL | INLCR)) == 0) &&
2446 (((tiosp->c_iflag & BRKINT) == 0) || (tiosp->c_iflag & IGNBRK)) &&
2447 (((tiosp->c_iflag & PARMRK) == 0) ||
2448 ((tiosp->c_iflag & (IGNPAR | IGNBRK)) == (IGNPAR | IGNBRK))) &&
2449 ((tiosp->c_lflag & (ECHO | ICANON | IEXTEN | ISIG | PENDIN)) ==0) &&
2450 (linesw[tp->t_line].l_rint == ttyinput))
2451 tp->t_state |= TS_CAN_BYPASS_L_RINT;
2453 tp->t_state &= ~TS_CAN_BYPASS_L_RINT;
2454 portp->hotchar = linesw[tp->t_line].l_hotchar;
2457 /*****************************************************************************/
2460 * All panels and ports actually attached have been worked out. All
2461 * we need to do here is set up the appropriate per port data structures.
2464 static int stli_initports(stlibrd_t *brdp)
2467 int i, panelnr, panelport;
2470 kprintf("stli_initports(brdp=%x)\n", (int) brdp);
2473 for (i = 0, panelnr = 0, panelport = 0; (i < brdp->nrports); i++) {
2474 portp = kmalloc(sizeof(stliport_t), M_TTYS, M_WAITOK | M_ZERO);
2475 callout_init(&portp->dtr_ch);
2477 portp->brdnr = brdp->brdnr;
2478 portp->panelnr = panelnr;
2479 portp->initintios.c_ispeed = STL_DEFSPEED;
2480 portp->initintios.c_ospeed = STL_DEFSPEED;
2481 portp->initintios.c_cflag = STL_DEFCFLAG;
2482 portp->initintios.c_iflag = 0;
2483 portp->initintios.c_oflag = 0;
2484 portp->initintios.c_lflag = 0;
2485 bcopy(&ttydefchars[0], &portp->initintios.c_cc[0],
2486 sizeof(portp->initintios.c_cc));
2487 portp->initouttios = portp->initintios;
2488 portp->dtrwait = 3 * hz;
2491 if (panelport >= brdp->panels[panelnr]) {
2495 brdp->ports[i] = portp;
2502 /*****************************************************************************/
2505 * All the following routines are board specific hardware operations.
2508 static void stli_ecpinit(stlibrd_t *brdp)
2510 unsigned long memconf;
2513 kprintf("stli_ecpinit(brdp=%d)\n", (int) brdp);
2516 outb((brdp->iobase + ECP_ATCONFR), ECP_ATSTOP);
2518 outb((brdp->iobase + ECP_ATCONFR), ECP_ATDISABLE);
2521 memconf = (brdp->paddr & ECP_ATADDRMASK) >> ECP_ATADDRSHFT;
2522 outb((brdp->iobase + ECP_ATMEMAR), memconf);
2525 /*****************************************************************************/
2527 static void stli_ecpenable(stlibrd_t *brdp)
2530 kprintf("stli_ecpenable(brdp=%x)\n", (int) brdp);
2532 outb((brdp->iobase + ECP_ATCONFR), ECP_ATENABLE);
2535 /*****************************************************************************/
2537 static void stli_ecpdisable(stlibrd_t *brdp)
2540 kprintf("stli_ecpdisable(brdp=%x)\n", (int) brdp);
2542 outb((brdp->iobase + ECP_ATCONFR), ECP_ATDISABLE);
2545 /*****************************************************************************/
2547 static char *stli_ecpgetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
2553 kprintf("stli_ecpgetmemptr(brdp=%x,offset=%x)\n", (int) brdp,
2557 if (offset > brdp->memsize) {
2558 kprintf("STALLION: shared memory pointer=%x out of range at "
2559 "line=%d(%d), brd=%d\n", (int) offset, line,
2560 __LINE__, brdp->brdnr);
2564 ptr = (char *) brdp->vaddr + (offset % ECP_ATPAGESIZE);
2565 val = (unsigned char) (offset / ECP_ATPAGESIZE);
2567 outb((brdp->iobase + ECP_ATMEMPR), val);
2571 /*****************************************************************************/
2573 static void stli_ecpreset(stlibrd_t *brdp)
2576 kprintf("stli_ecpreset(brdp=%x)\n", (int) brdp);
2579 outb((brdp->iobase + ECP_ATCONFR), ECP_ATSTOP);
2581 outb((brdp->iobase + ECP_ATCONFR), ECP_ATDISABLE);
2585 /*****************************************************************************/
2587 static void stli_ecpintr(stlibrd_t *brdp)
2590 kprintf("stli_ecpintr(brdp=%x)\n", (int) brdp);
2592 outb(brdp->iobase, 0x1);
2595 /*****************************************************************************/
2598 * The following set of functions act on ECP EISA boards.
2601 static void stli_ecpeiinit(stlibrd_t *brdp)
2603 unsigned long memconf;
2606 kprintf("stli_ecpeiinit(brdp=%x)\n", (int) brdp);
2609 outb((brdp->iobase + ECP_EIBRDENAB), 0x1);
2610 outb((brdp->iobase + ECP_EICONFR), ECP_EISTOP);
2612 outb((brdp->iobase + ECP_EICONFR), ECP_EIDISABLE);
2615 memconf = (brdp->paddr & ECP_EIADDRMASKL) >> ECP_EIADDRSHFTL;
2616 outb((brdp->iobase + ECP_EIMEMARL), memconf);
2617 memconf = (brdp->paddr & ECP_EIADDRMASKH) >> ECP_EIADDRSHFTH;
2618 outb((brdp->iobase + ECP_EIMEMARH), memconf);
2621 /*****************************************************************************/
2623 static void stli_ecpeienable(stlibrd_t *brdp)
2625 outb((brdp->iobase + ECP_EICONFR), ECP_EIENABLE);
2628 /*****************************************************************************/
2630 static void stli_ecpeidisable(stlibrd_t *brdp)
2632 outb((brdp->iobase + ECP_EICONFR), ECP_EIDISABLE);
2635 /*****************************************************************************/
2637 static char *stli_ecpeigetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
2643 kprintf("stli_ecpeigetmemptr(brdp=%x,offset=%x,line=%d)\n",
2644 (int) brdp, (int) offset, line);
2647 if (offset > brdp->memsize) {
2648 kprintf("STALLION: shared memory pointer=%x out of range at "
2649 "line=%d(%d), brd=%d\n", (int) offset, line,
2650 __LINE__, brdp->brdnr);
2654 ptr = (char *) brdp->vaddr + (offset % ECP_EIPAGESIZE);
2655 if (offset < ECP_EIPAGESIZE)
2658 val = ECP_EIENABLE | 0x40;
2660 outb((brdp->iobase + ECP_EICONFR), val);
2664 /*****************************************************************************/
2666 static void stli_ecpeireset(stlibrd_t *brdp)
2668 outb((brdp->iobase + ECP_EICONFR), ECP_EISTOP);
2670 outb((brdp->iobase + ECP_EICONFR), ECP_EIDISABLE);
2674 /*****************************************************************************/
2677 * The following routines act on ONboards.
2680 static void stli_onbinit(stlibrd_t *brdp)
2682 unsigned long memconf;
2686 kprintf("stli_onbinit(brdp=%d)\n", (int) brdp);
2689 outb((brdp->iobase + ONB_ATCONFR), ONB_ATSTOP);
2691 outb((brdp->iobase + ONB_ATCONFR), ONB_ATDISABLE);
2692 for (i = 0; (i < 1000); i++)
2695 memconf = (brdp->paddr & ONB_ATADDRMASK) >> ONB_ATADDRSHFT;
2696 outb((brdp->iobase + ONB_ATMEMAR), memconf);
2697 outb(brdp->iobase, 0x1);
2701 /*****************************************************************************/
2703 static void stli_onbenable(stlibrd_t *brdp)
2706 kprintf("stli_onbenable(brdp=%x)\n", (int) brdp);
2708 outb((brdp->iobase + ONB_ATCONFR), (ONB_ATENABLE | brdp->confbits));
2711 /*****************************************************************************/
2713 static void stli_onbdisable(stlibrd_t *brdp)
2716 kprintf("stli_onbdisable(brdp=%x)\n", (int) brdp);
2718 outb((brdp->iobase + ONB_ATCONFR), (ONB_ATDISABLE | brdp->confbits));
2721 /*****************************************************************************/
2723 static char *stli_onbgetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
2728 kprintf("stli_onbgetmemptr(brdp=%x,offset=%x)\n", (int) brdp,
2732 if (offset > brdp->memsize) {
2733 kprintf("STALLION: shared memory pointer=%x out of range at "
2734 "line=%d(%d), brd=%d\n", (int) offset, line,
2735 __LINE__, brdp->brdnr);
2738 ptr = (char *) brdp->vaddr + (offset % ONB_ATPAGESIZE);
2743 /*****************************************************************************/
2745 static void stli_onbreset(stlibrd_t *brdp)
2750 kprintf("stli_onbreset(brdp=%x)\n", (int) brdp);
2753 outb((brdp->iobase + ONB_ATCONFR), ONB_ATSTOP);
2755 outb((brdp->iobase + ONB_ATCONFR), ONB_ATDISABLE);
2756 for (i = 0; (i < 1000); i++)
2760 /*****************************************************************************/
2763 * The following routines act on ONboard EISA.
2766 static void stli_onbeinit(stlibrd_t *brdp)
2768 unsigned long memconf;
2772 kprintf("stli_onbeinit(brdp=%d)\n", (int) brdp);
2775 outb((brdp->iobase + ONB_EIBRDENAB), 0x1);
2776 outb((brdp->iobase + ONB_EICONFR), ONB_EISTOP);
2778 outb((brdp->iobase + ONB_EICONFR), ONB_EIDISABLE);
2779 for (i = 0; (i < 1000); i++)
2782 memconf = (brdp->paddr & ONB_EIADDRMASKL) >> ONB_EIADDRSHFTL;
2783 outb((brdp->iobase + ONB_EIMEMARL), memconf);
2784 memconf = (brdp->paddr & ONB_EIADDRMASKH) >> ONB_EIADDRSHFTH;
2785 outb((brdp->iobase + ONB_EIMEMARH), memconf);
2786 outb(brdp->iobase, 0x1);
2790 /*****************************************************************************/
2792 static void stli_onbeenable(stlibrd_t *brdp)
2795 kprintf("stli_onbeenable(brdp=%x)\n", (int) brdp);
2797 outb((brdp->iobase + ONB_EICONFR), ONB_EIENABLE);
2800 /*****************************************************************************/
2802 static void stli_onbedisable(stlibrd_t *brdp)
2805 kprintf("stli_onbedisable(brdp=%x)\n", (int) brdp);
2807 outb((brdp->iobase + ONB_EICONFR), ONB_EIDISABLE);
2810 /*****************************************************************************/
2812 static char *stli_onbegetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
2818 kprintf("stli_onbegetmemptr(brdp=%x,offset=%x,line=%d)\n", (int) brdp,
2819 (int) offset, line);
2822 if (offset > brdp->memsize) {
2823 kprintf("STALLION: shared memory pointer=%x out of range at "
2824 "line=%d(%d), brd=%d\n", (int) offset, line,
2825 __LINE__, brdp->brdnr);
2829 ptr = (char *) brdp->vaddr + (offset % ONB_EIPAGESIZE);
2830 if (offset < ONB_EIPAGESIZE)
2833 val = ONB_EIENABLE | 0x40;
2835 outb((brdp->iobase + ONB_EICONFR), val);
2839 /*****************************************************************************/
2841 static void stli_onbereset(stlibrd_t *brdp)
2846 kprintf("stli_onbereset(brdp=%x)\n", (int) brdp);
2849 outb((brdp->iobase + ONB_EICONFR), ONB_EISTOP);
2851 outb((brdp->iobase + ONB_EICONFR), ONB_EIDISABLE);
2852 for (i = 0; (i < 1000); i++)
2856 /*****************************************************************************/
2859 * The following routines act on Brumby boards.
2862 static void stli_bbyinit(stlibrd_t *brdp)
2867 kprintf("stli_bbyinit(brdp=%d)\n", (int) brdp);
2870 outb((brdp->iobase + BBY_ATCONFR), BBY_ATSTOP);
2872 outb((brdp->iobase + BBY_ATCONFR), 0);
2873 for (i = 0; (i < 1000); i++)
2875 outb(brdp->iobase, 0x1);
2879 /*****************************************************************************/
2881 static char *stli_bbygetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
2887 kprintf("stli_bbygetmemptr(brdp=%x,offset=%x)\n", (int) brdp,
2891 if (offset > brdp->memsize) {
2892 kprintf("STALLION: shared memory pointer=%x out of range at "
2893 "line=%d(%d), brd=%d\n", (int) offset, line,
2894 __LINE__, brdp->brdnr);
2898 ptr = (char *) brdp->vaddr + (offset % BBY_PAGESIZE);
2899 val = (unsigned char) (offset / BBY_PAGESIZE);
2901 outb((brdp->iobase + BBY_ATCONFR), val);
2905 /*****************************************************************************/
2907 static void stli_bbyreset(stlibrd_t *brdp)
2912 kprintf("stli_bbyreset(brdp=%x)\n", (int) brdp);
2915 outb((brdp->iobase + BBY_ATCONFR), BBY_ATSTOP);
2917 outb((brdp->iobase + BBY_ATCONFR), 0);
2918 for (i = 0; (i < 1000); i++)
2922 /*****************************************************************************/
2925 * The following routines act on original old Stallion boards.
2928 static void stli_stalinit(stlibrd_t *brdp)
2933 kprintf("stli_stalinit(brdp=%d)\n", (int) brdp);
2936 outb(brdp->iobase, 0x1);
2937 for (i = 0; (i < 1000); i++)
2941 /*****************************************************************************/
2943 static char *stli_stalgetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
2948 kprintf("stli_stalgetmemptr(brdp=%x,offset=%x)\n", (int) brdp,
2952 if (offset > brdp->memsize) {
2953 kprintf("STALLION: shared memory pointer=%x out of range at "
2954 "line=%d(%d), brd=%d\n", (int) offset, line,
2955 __LINE__, brdp->brdnr);
2958 ptr = (char *) brdp->vaddr + (offset % STAL_PAGESIZE);
2963 /*****************************************************************************/
2965 static void stli_stalreset(stlibrd_t *brdp)
2967 volatile unsigned long *vecp;
2971 kprintf("stli_stalreset(brdp=%x)\n", (int) brdp);
2974 vecp = (volatile unsigned long *) ((char *) brdp->vaddr + 0x30);
2976 outb(brdp->iobase, 0);
2977 for (i = 0; (i < 1000); i++)
2981 /*****************************************************************************/
2984 * Try to find an ECP board and initialize it. This handles only ECP
2988 static int stli_initecp(stlibrd_t *brdp)
2992 unsigned int status, nxtid;
2996 kprintf("stli_initecp(brdp=%x)\n", (int) brdp);
3000 * Do a basic sanity check on the IO and memory addresses.
3002 if ((brdp->iobase == 0) || (brdp->paddr == 0))
3006 * Based on the specific board type setup the common vars to access
3007 * and enable shared memory. Set all board specific information now
3010 switch (brdp->brdtype) {
3012 brdp->memsize = ECP_MEMSIZE;
3013 brdp->pagesize = ECP_ATPAGESIZE;
3014 brdp->init = stli_ecpinit;
3015 brdp->enable = stli_ecpenable;
3016 brdp->reenable = stli_ecpenable;
3017 brdp->disable = stli_ecpdisable;
3018 brdp->getmemptr = stli_ecpgetmemptr;
3019 brdp->intr = stli_ecpintr;
3020 brdp->reset = stli_ecpreset;
3024 brdp->memsize = ECP_MEMSIZE;
3025 brdp->pagesize = ECP_EIPAGESIZE;
3026 brdp->init = stli_ecpeiinit;
3027 brdp->enable = stli_ecpeienable;
3028 brdp->reenable = stli_ecpeienable;
3029 brdp->disable = stli_ecpeidisable;
3030 brdp->getmemptr = stli_ecpeigetmemptr;
3031 brdp->intr = stli_ecpintr;
3032 brdp->reset = stli_ecpeireset;
3040 * The per-board operations structure is all setup, so now lets go
3041 * and get the board operational. Firstly initialize board configuration
3047 * Now that all specific code is set up, enable the shared memory and
3048 * look for the a signature area that will tell us exactly what board
3049 * this is, and what it is connected to it.
3052 sigsp = (cdkecpsig_t *) EBRDGETMEMPTR(brdp, CDK_SIGADDR);
3053 bcopy(sigsp, &sig, sizeof(cdkecpsig_t));
3057 kprintf("%s(%d): sig-> magic=%x rom=%x panel=%x,%x,%x,%x,%x,%x,%x,%x\n",
3058 __file__, __LINE__, (int) sig.magic, sig.romver,
3059 sig.panelid[0], (int) sig.panelid[1], (int) sig.panelid[2],
3060 (int) sig.panelid[3], (int) sig.panelid[4],
3061 (int) sig.panelid[5], (int) sig.panelid[6],
3062 (int) sig.panelid[7]);
3065 if (sig.magic != ECP_MAGIC)
3069 * Scan through the signature looking at the panels connected to the
3070 * board. Calculate the total number of ports as we go.
3072 for (panelnr = 0, nxtid = 0; (panelnr < STL_MAXPANELS); panelnr++) {
3073 status = sig.panelid[nxtid];
3074 if ((status & ECH_PNLIDMASK) != nxtid)
3076 brdp->panelids[panelnr] = status;
3077 if (status & ECH_PNL16PORT) {
3078 brdp->panels[panelnr] = 16;
3079 brdp->nrports += 16;
3082 brdp->panels[panelnr] = 8;
3089 brdp->state |= BST_FOUND;
3093 /*****************************************************************************/
3096 * Try to find an ONboard, Brumby or Stallion board and initialize it.
3097 * This handles only these board types.
3100 static int stli_initonb(stlibrd_t *brdp)
3107 kprintf("stli_initonb(brdp=%x)\n", (int) brdp);
3111 * Do a basic sanity check on the IO and memory addresses.
3113 if ((brdp->iobase == 0) || (brdp->paddr == 0))
3117 * Based on the specific board type setup the common vars to access
3118 * and enable shared memory. Set all board specific information now
3121 switch (brdp->brdtype) {
3125 case BRD_ONBOARD2_32:
3127 brdp->memsize = ONB_MEMSIZE;
3128 brdp->pagesize = ONB_ATPAGESIZE;
3129 brdp->init = stli_onbinit;
3130 brdp->enable = stli_onbenable;
3131 brdp->reenable = stli_onbenable;
3132 brdp->disable = stli_onbdisable;
3133 brdp->getmemptr = stli_onbgetmemptr;
3134 brdp->intr = stli_ecpintr;
3135 brdp->reset = stli_onbreset;
3136 brdp->confbits = (brdp->paddr > 0x100000) ? ONB_HIMEMENAB : 0;
3140 brdp->memsize = ONB_EIMEMSIZE;
3141 brdp->pagesize = ONB_EIPAGESIZE;
3142 brdp->init = stli_onbeinit;
3143 brdp->enable = stli_onbeenable;
3144 brdp->reenable = stli_onbeenable;
3145 brdp->disable = stli_onbedisable;
3146 brdp->getmemptr = stli_onbegetmemptr;
3147 brdp->intr = stli_ecpintr;
3148 brdp->reset = stli_onbereset;
3154 brdp->memsize = BBY_MEMSIZE;
3155 brdp->pagesize = BBY_PAGESIZE;
3156 brdp->init = stli_bbyinit;
3157 brdp->enable = NULL;
3158 brdp->reenable = NULL;
3159 brdp->disable = NULL;
3160 brdp->getmemptr = stli_bbygetmemptr;
3161 brdp->intr = stli_ecpintr;
3162 brdp->reset = stli_bbyreset;
3166 brdp->memsize = STAL_MEMSIZE;
3167 brdp->pagesize = STAL_PAGESIZE;
3168 brdp->init = stli_stalinit;
3169 brdp->enable = NULL;
3170 brdp->reenable = NULL;
3171 brdp->disable = NULL;
3172 brdp->getmemptr = stli_stalgetmemptr;
3173 brdp->intr = stli_ecpintr;
3174 brdp->reset = stli_stalreset;
3182 * The per-board operations structure is all setup, so now lets go
3183 * and get the board operational. Firstly initialize board configuration
3189 * Now that all specific code is set up, enable the shared memory and
3190 * look for the a signature area that will tell us exactly what board
3191 * this is, and how many ports.
3194 sigsp = (cdkonbsig_t *) EBRDGETMEMPTR(brdp, CDK_SIGADDR);
3195 bcopy(sigsp, &sig, sizeof(cdkonbsig_t));
3199 kprintf("%s(%d): sig-> magic=%x:%x:%x:%x romver=%x amask=%x:%x:%x\n",
3200 __file__, __LINE__, sig.magic0, sig.magic1, sig.magic2,
3201 sig.magic3, sig.romver, sig.amask0, sig.amask1, sig.amask2);
3204 if ((sig.magic0 != ONB_MAGIC0) || (sig.magic1 != ONB_MAGIC1) ||
3205 (sig.magic2 != ONB_MAGIC2) || (sig.magic3 != ONB_MAGIC3))
3209 * Scan through the signature alive mask and calculate how many ports
3210 * there are on this board.
3216 for (i = 0; (i < 16); i++) {
3217 if (((sig.amask0 << i) & 0x8000) == 0)
3222 brdp->panels[0] = brdp->nrports;
3224 brdp->state |= BST_FOUND;
3228 /*****************************************************************************/
3231 * Start up a running board. This routine is only called after the
3232 * code has been down loaded to the board and is operational. It will
3233 * read in the memory map, and get the show on the road...
3236 static int stli_startbrd(stlibrd_t *brdp)
3238 volatile cdkhdr_t *hdrp;
3239 volatile cdkmem_t *memp;
3240 volatile cdkasy_t *ap;
3242 int portnr, nrdevs, i, rc;
3245 kprintf("stli_startbrd(brdp=%x)\n", (int) brdp);
3252 hdrp = (volatile cdkhdr_t *) EBRDGETMEMPTR(brdp, CDK_CDKADDR);
3253 nrdevs = hdrp->nrdevs;
3256 kprintf("%s(%d): CDK version %d.%d.%d --> nrdevs=%d memp=%x hostp=%x "
3257 "slavep=%x\n", __file__, __LINE__, hdrp->ver_release,
3258 hdrp->ver_modification, hdrp->ver_fix, nrdevs,
3259 (int) hdrp->memp, (int) hdrp->hostp, (int) hdrp->slavep);
3262 if (nrdevs < (brdp->nrports + 1)) {
3263 kprintf("STALLION: slave failed to allocate memory for all "
3264 "devices, devices=%d\n", nrdevs);
3265 brdp->nrports = nrdevs - 1;
3267 brdp->nrdevs = nrdevs;
3268 brdp->hostoffset = hdrp->hostp - CDK_CDKADDR;
3269 brdp->slaveoffset = hdrp->slavep - CDK_CDKADDR;
3270 brdp->bitsize = (nrdevs + 7) / 8;
3271 memp = (volatile cdkmem_t *) (void *) (uintptr_t) hdrp->memp;
3272 if ((uintptr_t)(volatile void *)memp > brdp->memsize) {
3273 kprintf("STALLION: corrupted shared memory region?\n");
3275 goto stli_donestartup;
3277 memp = (volatile cdkmem_t *) EBRDGETMEMPTR(brdp,
3278 (uintptr_t)(volatile void *)memp);
3279 if (memp->dtype != TYP_ASYNCTRL) {
3280 kprintf("STALLION: no slave control device found\n");
3282 goto stli_donestartup;
3287 * Cycle through memory allocation of each port. We are guaranteed to
3288 * have all ports inside the first page of slave window, so no need to
3289 * change pages while reading memory map.
3291 for (i = 1, portnr = 0; (i < nrdevs); i++, portnr++, memp++) {
3292 if (memp->dtype != TYP_ASYNC)
3294 portp = brdp->ports[portnr];
3298 portp->addr = memp->offset;
3299 portp->reqidx = (unsigned char) (i * 8 / nrdevs);
3300 portp->reqbit = (unsigned char) (0x1 << portp->reqidx);
3301 portp->portidx = (unsigned char) (i / 8);
3302 portp->portbit = (unsigned char) (0x1 << (i % 8));
3305 hdrp->slavereq = 0xff;
3308 * For each port setup a local copy of the RX and TX buffer offsets
3309 * and sizes. We do this separate from the above, because we need to
3310 * move the shared memory page...
3312 for (i = 1, portnr = 0; (i < nrdevs); i++, portnr++) {
3313 portp = brdp->ports[portnr];
3316 if (portp->addr == 0)
3318 ap = (volatile cdkasy_t *) EBRDGETMEMPTR(brdp, portp->addr);
3320 portp->rxsize = ap->rxq.size;
3321 portp->txsize = ap->txq.size;
3322 portp->rxoffset = ap->rxq.offset;
3323 portp->txoffset = ap->txq.offset;
3332 brdp->state |= BST_STARTED;
3334 if (stli_doingtimeout == 0) {
3335 stli_doingtimeout++;
3336 callout_init(&stli_poll_ch);
3337 callout_reset(&stli_poll_ch, 1, stli_poll, NULL);
3343 /*****************************************************************************/
3346 * Probe and initialize the specified board.
3349 static int stli_brdinit(stlibrd_t *brdp)
3352 kprintf("stli_brdinit(brdp=%x)\n", (int) brdp);
3355 stli_brds[brdp->brdnr] = brdp;
3357 switch (brdp->brdtype) {
3366 case BRD_ONBOARD2_32:
3378 kprintf("STALLION: %s board type not supported in this driver\n",
3379 stli_brdnames[brdp->brdtype]);
3382 kprintf("STALLION: unit=%d is unknown board type=%d\n",
3383 brdp->brdnr, brdp->brdtype);
3390 /*****************************************************************************/
3393 * Finish off the remaining initialization for a board.
3396 static int stli_brdattach(stlibrd_t *brdp)
3399 kprintf("stli_brdattach(brdp=%x)\n", (int) brdp);
3403 if ((brdp->state & BST_FOUND) == 0) {
3404 kprintf("STALLION: %s board not found, unit=%d io=%x mem=%x\n",
3405 stli_brdnames[brdp->brdtype], brdp->brdnr,
3406 brdp->iobase, (int) brdp->paddr);
3411 stli_initports(brdp);
3412 kprintf("stli%d: %s (driver version %s), unit=%d nrpanels=%d "
3413 "nrports=%d\n", brdp->unitid, stli_brdnames[brdp->brdtype],
3414 stli_drvversion, brdp->brdnr, brdp->nrpanels, brdp->nrports);
3418 /*****************************************************************************/
3420 /*****************************************************************************/
3423 * Return the board stats structure to user app.
3426 static int stli_getbrdstats(caddr_t data)
3432 kprintf("stli_getbrdstats(data=%p)\n", (void *) data);
3435 stli_brdstats = *((combrd_t *) data);
3436 if (stli_brdstats.brd >= STL_MAXBRDS)
3438 brdp = stli_brds[stli_brdstats.brd];
3442 bzero(&stli_brdstats, sizeof(combrd_t));
3443 stli_brdstats.brd = brdp->brdnr;
3444 stli_brdstats.type = brdp->brdtype;
3445 stli_brdstats.hwid = 0;
3446 stli_brdstats.state = brdp->state;
3447 stli_brdstats.ioaddr = brdp->iobase;
3448 stli_brdstats.memaddr = brdp->paddr;
3449 stli_brdstats.nrpanels = brdp->nrpanels;
3450 stli_brdstats.nrports = brdp->nrports;
3451 for (i = 0; (i < brdp->nrpanels); i++) {
3452 stli_brdstats.panels[i].panel = i;
3453 stli_brdstats.panels[i].hwid = brdp->panelids[i];
3454 stli_brdstats.panels[i].nrports = brdp->panels[i];
3457 *((combrd_t *) data) = stli_brdstats;
3461 /*****************************************************************************/
3464 * Resolve the referenced port number into a port struct pointer.
3467 static stliport_t *stli_getport(int brdnr, int panelnr, int portnr)
3472 if ((brdnr < 0) || (brdnr >= STL_MAXBRDS))
3474 brdp = stli_brds[brdnr];
3477 for (i = 0; (i < panelnr); i++)
3478 portnr += brdp->panels[i];
3479 if ((portnr < 0) || (portnr >= brdp->nrports))
3481 return(brdp->ports[portnr]);
3484 /*****************************************************************************/
3487 * Return the port stats structure to user app. A NULL port struct
3488 * pointer passed in means that we need to find out from the app
3489 * what port to get stats for (used through board control device).
3492 static int stli_getportstats(stliport_t *portp, caddr_t data)
3497 if (portp == NULL) {
3498 stli_comstats = *((comstats_t *) data);
3499 portp = stli_getport(stli_comstats.brd, stli_comstats.panel,
3500 stli_comstats.port);
3505 brdp = stli_brds[portp->brdnr];
3509 if (brdp->state & BST_STARTED) {
3510 if ((rc = stli_cmdwait(brdp, portp, A_GETSTATS, &stli_cdkstats,
3511 sizeof(asystats_t), 1)) < 0)
3514 bzero(&stli_cdkstats, sizeof(asystats_t));
3517 stli_comstats.brd = portp->brdnr;
3518 stli_comstats.panel = portp->panelnr;
3519 stli_comstats.port = portp->portnr;
3520 stli_comstats.state = portp->state;
3521 /*stli_comstats.flags = portp->flags;*/
3522 stli_comstats.ttystate = portp->tty.t_state;
3523 stli_comstats.cflags = portp->tty.t_cflag;
3524 stli_comstats.iflags = portp->tty.t_iflag;
3525 stli_comstats.oflags = portp->tty.t_oflag;
3526 stli_comstats.lflags = portp->tty.t_lflag;
3528 stli_comstats.txtotal = stli_cdkstats.txchars;
3529 stli_comstats.rxtotal = stli_cdkstats.rxchars + stli_cdkstats.ringover;
3530 stli_comstats.txbuffered = stli_cdkstats.txringq;
3531 stli_comstats.rxbuffered = stli_cdkstats.rxringq;
3532 stli_comstats.rxoverrun = stli_cdkstats.overruns;
3533 stli_comstats.rxparity = stli_cdkstats.parity;
3534 stli_comstats.rxframing = stli_cdkstats.framing;
3535 stli_comstats.rxlost = stli_cdkstats.ringover + portp->rxlost;
3536 stli_comstats.rxbreaks = stli_cdkstats.rxbreaks;
3537 stli_comstats.txbreaks = stli_cdkstats.txbreaks;
3538 stli_comstats.txxon = stli_cdkstats.txstart;
3539 stli_comstats.txxoff = stli_cdkstats.txstop;
3540 stli_comstats.rxxon = stli_cdkstats.rxstart;
3541 stli_comstats.rxxoff = stli_cdkstats.rxstop;
3542 stli_comstats.rxrtsoff = stli_cdkstats.rtscnt / 2;
3543 stli_comstats.rxrtson = stli_cdkstats.rtscnt - stli_comstats.rxrtsoff;
3544 stli_comstats.modem = stli_cdkstats.dcdcnt;
3545 stli_comstats.hwid = stli_cdkstats.hwid;
3546 stli_comstats.signals = stli_mktiocm(stli_cdkstats.signals);
3548 *((comstats_t *) data) = stli_comstats;
3552 /*****************************************************************************/
3555 * Clear the port stats structure. We also return it zeroed out...
3558 static int stli_clrportstats(stliport_t *portp, caddr_t data)
3563 if (portp == NULL) {
3564 stli_comstats = *((comstats_t *) data);
3565 portp = stli_getport(stli_comstats.brd, stli_comstats.panel,
3566 stli_comstats.port);
3571 brdp = stli_brds[portp->brdnr];
3575 if ((rc = stli_cmdwait(brdp, portp, A_CLEARSTATS, 0, 0, 0)) < 0)
3579 bzero(&stli_comstats, sizeof(comstats_t));
3580 stli_comstats.brd = portp->brdnr;
3581 stli_comstats.panel = portp->panelnr;
3582 stli_comstats.port = portp->portnr;
3584 *((comstats_t *) data) = stli_comstats;
3588 /*****************************************************************************/
3591 * Code to handle an "staliomem" read and write operations. This device
3592 * is the contents of the board shared memory. It is used for down
3593 * loading the slave image (and debugging :-)
3596 STATIC int stli_memrw(cdev_t dev, struct uio *uiop, int flag)
3600 int brdnr, size, n, error;
3603 kprintf("stli_memrw(dev=%x,uiop=%x,flag=%x)\n", (int) dev,
3607 brdnr = minor(dev) & 0x7;
3608 brdp = stli_brds[brdnr];
3611 if (brdp->state == 0)
3614 if (uiop->uio_offset >= brdp->memsize)
3618 size = brdp->memsize - uiop->uio_offset;
3623 memptr = (void *) EBRDGETMEMPTR(brdp, uiop->uio_offset);
3624 n = MIN(size, (brdp->pagesize -
3625 (((unsigned long) uiop->uio_offset) % brdp->pagesize)));
3626 error = uiomove(memptr, n, uiop);
3627 if ((uiop->uio_resid == 0) || error)
3636 /*****************************************************************************/
3639 * The "staliomem" device is also required to do some special operations
3640 * on the board. We need to be able to send an interrupt to the board,
3641 * reset it, and start/stop it.
3644 static int stli_memioctl(cdev_t dev, unsigned long cmd, caddr_t data, int flag)
3650 kprintf("stli_memioctl(dev=%s,cmd=%lx,data=%p,flag=%x)\n",
3651 devtoname(dev), cmd, (void *) data, flag);
3655 * Handle board independant ioctls first.
3658 case COM_GETPORTSTATS:
3659 return(stli_getportstats(NULL, data));
3661 case COM_CLRPORTSTATS:
3662 return(stli_clrportstats(NULL, data));
3664 case COM_GETBRDSTATS:
3665 return(stli_getbrdstats(data));
3672 * Handle board dependant ioctls now.
3674 brdnr = minor(dev) & 0x7;
3675 brdp = stli_brds[brdnr];
3678 if (brdp->state == 0)
3688 rc = stli_startbrd(brdp);
3691 brdp->state &= ~BST_STARTED;
3694 brdp->state &= ~BST_STARTED;
3696 if (stli_shared == 0) {
3697 if (brdp->reenable != NULL)
3698 (* brdp->reenable)(brdp);
3701 case COM_GETPORTSTATS:
3702 rc = stli_getportstats(NULL, data);
3704 case COM_CLRPORTSTATS:
3705 rc = stli_clrportstats(NULL, data);
3707 case COM_GETBRDSTATS:
3708 rc = stli_getbrdstats(data);
3718 /*****************************************************************************/