digi.c revision 94320
176195Sbrian/*- 276195Sbrian * Copyright (c) 2001 Brian Somers <brian@Awfulhak.org> 376358Sbrian * based on work by Slawa Olhovchenkov 476358Sbrian * John Prince <johnp@knight-trosoft.com> 576358Sbrian * Eric Hernes 676195Sbrian * All rights reserved. 776195Sbrian * 876195Sbrian * Redistribution and use in source and binary forms, with or without 976195Sbrian * modification, are permitted provided that the following conditions 1076195Sbrian * are met: 1176195Sbrian * 1. Redistributions of source code must retain the above copyright 1276195Sbrian * notice, this list of conditions and the following disclaimer. 1376195Sbrian * 2. Redistributions in binary form must reproduce the above copyright 1476195Sbrian * notice, this list of conditions and the following disclaimer in the 1576195Sbrian * documentation and/or other materials provided with the distribution. 1676195Sbrian * 1776195Sbrian * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1876195Sbrian * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1976195Sbrian * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2076195Sbrian * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 2176195Sbrian * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2276195Sbrian * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2376195Sbrian * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2476195Sbrian * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2576195Sbrian * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2676195Sbrian * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2776195Sbrian * SUCH DAMAGE. 2876195Sbrian * 2976195Sbrian * $FreeBSD: head/sys/dev/digi/digi.c 94320 2002-04-10 01:12:55Z brian $ 3076195Sbrian */ 3176195Sbrian 3276195Sbrian/*- 3376195Sbrian * TODO: 3476195Sbrian * Figure out what the con bios stuff is supposed to do 3576195Sbrian * Test with *LOTS* more cards - I only have a PCI8r and an ISA Xem. 3676195Sbrian */ 3776195Sbrian 3890684Sbde#include "opt_compat.h" 3990684Sbde 4076195Sbrian#include <sys/param.h> 4176195Sbrian#include <sys/systm.h> 4276195Sbrian#include <sys/proc.h> 4376195Sbrian#include <sys/conf.h> 4476195Sbrian#include <sys/linker.h> 4576195Sbrian#include <sys/kernel.h> 4676195Sbrian#include <sys/mbuf.h> 4776195Sbrian#include <sys/malloc.h> 4876195Sbrian#include <sys/tty.h> 4976195Sbrian#include <sys/syslog.h> 5076195Sbrian#include <sys/fcntl.h> 5176195Sbrian#include <sys/bus.h> 5276195Sbrian#include <sys/bus.h> 5376195Sbrian#include <machine/resource.h> 5476195Sbrian 5576848Sbrian#include <sys/digiio.h> 5676853Sbrian#include <dev/digi/digireg.h> 5776853Sbrian#include <dev/digi/digi.h> 5876853Sbrian#include <dev/digi/digi_mod.h> 5976853Sbrian#include <dev/digi/digi_pci.h> 6076195Sbrian 6176195Sbrian#define CDEV_MAJOR 162 6276195Sbrian 6376195Sbrian#define CTRL_DEV 0x800000 6476195Sbrian#define CALLOUT_MASK 0x400000 6576195Sbrian#define CONTROL_INIT_STATE 0x100000 6676195Sbrian#define CONTROL_LOCK_STATE 0x200000 6776195Sbrian#define CONTROL_MASK (CTRL_DEV|CONTROL_INIT_STATE|CONTROL_LOCK_STATE) 6876195Sbrian#define UNIT_MASK 0x030000 6976195Sbrian#define PORT_MASK 0x0000FF 7076195Sbrian#define DEV_TO_UNIT(dev) (MINOR_TO_UNIT(minor(dev))) 7176195Sbrian#define MINOR_MAGIC_MASK (CALLOUT_MASK | CONTROL_MASK) 7276195Sbrian#define MINOR_TO_UNIT(mynor) (((mynor) & UNIT_MASK)>>16) 7376195Sbrian#define MINOR_TO_PORT(mynor) ((mynor) & PORT_MASK) 7476195Sbrian 7576195Sbrianstatic d_open_t digiopen; 7676195Sbrianstatic d_close_t digiclose; 7776195Sbrianstatic d_read_t digiread; 7876195Sbrianstatic d_write_t digiwrite; 7976195Sbrianstatic d_ioctl_t digiioctl; 8076195Sbrian 8176195Sbrianstatic void digistop(struct tty *tp, int rw); 8276195Sbrianstatic int digimctl(struct digi_p *port, int bits, int how); 8376195Sbrianstatic void digi_poll(void *ptr); 8476195Sbrianstatic void digi_freemoduledata(struct digi_softc *); 8576195Sbrianstatic void fepcmd(struct digi_p *port, int cmd, int op, int ncmds); 8676195Sbrianstatic void digistart(struct tty *tp); 8776195Sbrianstatic int digiparam(struct tty *tp, struct termios *t); 8876195Sbrianstatic void digihardclose(struct digi_p *port); 8976195Sbrianstatic void digi_intr(void *); 9076195Sbrianstatic int digi_init(struct digi_softc *_sc); 9176195Sbrianstatic int digi_loadmoduledata(struct digi_softc *); 9276195Sbrianstatic int digi_inuse(struct digi_softc *); 9376195Sbrianstatic void digi_free_state(struct digi_softc *); 9476195Sbrian 9576195Sbrian#define fepcmd_b(port, cmd, op1, op2, ncmds) \ 9676195Sbrian fepcmd(port, cmd, (op2 << 8) | op1, ncmds) 9776195Sbrian#define fepcmd_w fepcmd 9876195Sbrian 9976195Sbrian 10076195Sbrianstatic speed_t digidefaultrate = TTYDEF_SPEED; 10176195Sbrian 10276195Sbrianstruct con_bios { 10376195Sbrian struct con_bios *next; 10476195Sbrian u_char *bios; 10576195Sbrian size_t size; 10676195Sbrian}; 10776195Sbrian 10889062Smsmithstatic struct con_bios *con_bios_list; 10991445Speterdevclass_t digi_devclass; 11076195Sbrianstatic char driver_name[] = "digi"; 11176195Sbrianunsigned digi_debug = 0; 11276195Sbrian 11376195Sbrianstatic struct speedtab digispeedtab[] = { 11476195Sbrian { 0, 0}, /* old (sysV-like) Bx codes */ 11576195Sbrian { 50, 1}, 11676195Sbrian { 75, 2}, 11776195Sbrian { 110, 3}, 11876195Sbrian { 134, 4}, 11976195Sbrian { 150, 5}, 12076195Sbrian { 200, 6}, 12176195Sbrian { 300, 7}, 12276195Sbrian { 600, 8}, 12376195Sbrian { 1200, 9}, 12476195Sbrian { 1800, 10}, 12576195Sbrian { 2400, 11}, 12676195Sbrian { 4800, 12}, 12776195Sbrian { 9600, 13}, 12876195Sbrian { 19200, 14}, 12976195Sbrian { 38400, 15}, 13076195Sbrian { 57600, (02000 | 1)}, 13176195Sbrian { 76800, (02000 | 2)}, 13276195Sbrian { 115200, (02000 | 3)}, 13376195Sbrian { 230400, (02000 | 6)}, 13476195Sbrian { -1, -1} 13576195Sbrian}; 13676195Sbrian 13776195Sbrianconst struct digi_control_signals digi_xixe_signals = { 13876195Sbrian 0x02, 0x08, 0x10, 0x20, 0x40, 0x80 13976195Sbrian}; 14076195Sbrian 14176195Sbrianconst struct digi_control_signals digi_normal_signals = { 14276195Sbrian 0x02, 0x80, 0x20, 0x10, 0x40, 0x01 14376195Sbrian}; 14476195Sbrian 14576195Sbrianstatic struct cdevsw digi_sw = { 14676195Sbrian digiopen, /* open */ 14776195Sbrian digiclose, /* close */ 14876195Sbrian digiread, /* read */ 14976195Sbrian digiwrite, /* write */ 15076195Sbrian digiioctl, /* ioctl */ 15176195Sbrian ttypoll, /* poll */ 15276195Sbrian nommap, /* mmap */ 15376195Sbrian nostrategy, /* strategy */ 15476195Sbrian driver_name, /* name */ 15576195Sbrian CDEV_MAJOR, /* maj */ 15676195Sbrian nodump, /* dump */ 15776195Sbrian nopsize, /* psize */ 15876195Sbrian D_TTY | D_KQFILTER, /* flags */ 15976195Sbrian ttykqfilter /* bmaj */ 16076195Sbrian}; 16176195Sbrian 16276195Sbrianstatic void 16376195Sbriandigi_poll(void *ptr) 16476195Sbrian{ 16576195Sbrian struct digi_softc *sc; 16676195Sbrian 16776195Sbrian sc = (struct digi_softc *)ptr; 16876195Sbrian callout_handle_init(&sc->callout); 16976195Sbrian digi_intr(sc); 17076195Sbrian sc->callout = timeout(digi_poll, sc, (hz >= 200) ? hz / 100 : 1); 17176195Sbrian} 17276195Sbrian 17376195Sbrianstatic void 17476195Sbriandigi_int_test(void *v) 17576195Sbrian{ 17676195Sbrian struct digi_softc *sc = v; 17776195Sbrian 17876195Sbrian callout_handle_init(&sc->inttest); 17976195Sbrian#ifdef DIGI_INTERRUPT 18076195Sbrian if (sc->intr_timestamp.tv_sec || sc->intr_timestamp.tv_usec) { 18176195Sbrian /* interrupt OK! */ 18276195Sbrian return; 18376195Sbrian } 18476195Sbrian log(LOG_ERR, "digi%d: Interrupt didn't work, use polled mode\n", unit); 18576195Sbrian#endif 18676195Sbrian sc->callout = timeout(digi_poll, sc, (hz >= 200) ? hz / 100 : 1); 18776195Sbrian} 18876195Sbrian 18976195Sbrianstatic void 19076195Sbriandigi_freemoduledata(struct digi_softc *sc) 19176195Sbrian{ 19276195Sbrian if (sc->fep.data != NULL) { 19376195Sbrian free(sc->fep.data, M_TTYS); 19476195Sbrian sc->fep.data = NULL; 19576195Sbrian } 19676195Sbrian if (sc->link.data != NULL) { 19776195Sbrian free(sc->link.data, M_TTYS); 19876195Sbrian sc->link.data = NULL; 19976195Sbrian } 20076195Sbrian if (sc->bios.data != NULL) { 20176195Sbrian free(sc->bios.data, M_TTYS); 20276195Sbrian sc->bios.data = NULL; 20376195Sbrian } 20476195Sbrian} 20576195Sbrian 20676195Sbrianstatic int 20776195Sbriandigi_bcopy(const void *vfrom, void *vto, size_t sz) 20876195Sbrian{ 20976195Sbrian volatile const char *from = (volatile const char *)vfrom; 21076195Sbrian volatile char *to = (volatile char *)vto; 21176195Sbrian size_t i; 21276195Sbrian 21376195Sbrian for (i = 0; i < sz; i++) 21476195Sbrian *to++ = *from++; 21576195Sbrian 21676195Sbrian from = (const volatile char *)vfrom; 21776195Sbrian to = (volatile char *)vto; 21876195Sbrian for (i = 0; i < sz; i++) 21976195Sbrian if (*to++ != *from++) 22076195Sbrian return (0); 22176195Sbrian return (1); 22276195Sbrian} 22376195Sbrian 22476195Sbrianstatic int 22576195Sbriandigi_init(struct digi_softc *sc) 22676195Sbrian{ 22776195Sbrian int i, cnt, resp; 22876195Sbrian u_char *ptr; 22976195Sbrian int lowwater; 23076195Sbrian struct digi_p *port; 23176195Sbrian volatile struct board_chan *bc; 23276195Sbrian 23376195Sbrian ptr = NULL; 23476195Sbrian 23576195Sbrian if (sc->status == DIGI_STATUS_DISABLED) { 23676195Sbrian log(LOG_ERR, "digi%d: Cannot init a disabled card\n", 23776195Sbrian sc->res.unit); 23876195Sbrian return (EIO); 23976195Sbrian } 24076195Sbrian if (sc->bios.data == NULL) { 24176195Sbrian log(LOG_ERR, "digi%d: Cannot init without BIOS\n", 24276195Sbrian sc->res.unit); 24376195Sbrian return (EIO); 24476195Sbrian } 24576195Sbrian#if 0 24676195Sbrian if (sc->link.data == NULL && sc->model >= PCCX) { 24776195Sbrian log(LOG_ERR, "digi%d: Cannot init without link info\n", 24876195Sbrian sc->res.unit); 24976195Sbrian return (EIO); 25076195Sbrian } 25176195Sbrian#endif 25276195Sbrian if (sc->fep.data == NULL) { 25376195Sbrian log(LOG_ERR, "digi%d: Cannot init without fep code\n", 25476195Sbrian sc->res.unit); 25576195Sbrian return (EIO); 25676195Sbrian } 25776195Sbrian sc->status = DIGI_STATUS_NOTINIT; 25876195Sbrian 25976195Sbrian if (sc->numports) { 26076195Sbrian /* 26176195Sbrian * We're re-initialising - maybe because someone's attached 26276195Sbrian * another port module. For now, we just re-initialise 26376195Sbrian * everything. 26476195Sbrian */ 26576195Sbrian if (digi_inuse(sc)) 26676195Sbrian return (EBUSY); 26776195Sbrian 26876195Sbrian digi_free_state(sc); 26976195Sbrian } 27076195Sbrian 27176195Sbrian ptr = sc->setwin(sc, MISCGLOBAL); 27276195Sbrian for (i = 0; i < 16; i += 2) 27376195Sbrian vW(ptr + i) = 0; 27476195Sbrian 27576195Sbrian switch (sc->model) { 27676195Sbrian case PCXEVE: 27776195Sbrian outb(sc->wport, 0xff); /* window 7 */ 27876195Sbrian ptr = sc->vmem + (BIOSCODE & 0x1fff); 27976195Sbrian 28076195Sbrian if (!digi_bcopy(sc->bios.data, ptr, sc->bios.size)) { 28176195Sbrian device_printf(sc->dev, "BIOS upload failed\n"); 28276195Sbrian return (EIO); 28376195Sbrian } 28476195Sbrian 28576195Sbrian outb(sc->port, FEPCLR); 28676195Sbrian break; 28776195Sbrian 28876195Sbrian case PCXE: 28976195Sbrian case PCXI: 29076195Sbrian case PCCX: 29176195Sbrian ptr = sc->setwin(sc, BIOSCODE + ((0xf000 - sc->mem_seg) << 4)); 29276195Sbrian if (!digi_bcopy(sc->bios.data, ptr, sc->bios.size)) { 29376195Sbrian device_printf(sc->dev, "BIOS upload failed\n"); 29476195Sbrian return (EIO); 29576195Sbrian } 29676195Sbrian break; 29776195Sbrian 29876195Sbrian case PCXEM: 29976195Sbrian case PCIEPCX: 30076195Sbrian case PCIXR: 30176195Sbrian if (sc->model == PCIXR) 30276195Sbrian PCIPORT = FEPRST; 30376195Sbrian else 30476195Sbrian outb(sc->port, FEPRST | FEPMEM); 30576195Sbrian 30676195Sbrian for (i = 0; ((sc->model == PCIXR ? PCIPORT : inb(sc->port)) & 30776195Sbrian FEPMASK) != FEPRST; i++) { 30876195Sbrian if (i > 1000) { 30976195Sbrian log(LOG_ERR, "digi%d: init reset failed\n", 31076195Sbrian sc->res.unit); 31176195Sbrian return (EIO); 31276195Sbrian } 31376195Sbrian tsleep(sc, PUSER | PCATCH, "digiinit0", 1); 31476195Sbrian } 31576195Sbrian DLOG(DIGIDB_INIT, (sc->dev, "Got init reset after %d us\n", i)); 31676195Sbrian 31776195Sbrian /* Now upload the BIOS */ 31876195Sbrian cnt = (sc->bios.size < sc->win_size - BIOSOFFSET) ? 31976195Sbrian sc->bios.size : sc->win_size - BIOSOFFSET; 32076195Sbrian 32176195Sbrian ptr = sc->setwin(sc, BIOSOFFSET); 32276195Sbrian if (!digi_bcopy(sc->bios.data, ptr, cnt)) { 32376195Sbrian device_printf(sc->dev, "BIOS upload (1) failed\n"); 32476195Sbrian return (EIO); 32576195Sbrian } 32676195Sbrian 32776195Sbrian if (cnt != sc->bios.size) { 32876195Sbrian /* and the second part */ 32976195Sbrian ptr = sc->setwin(sc, sc->win_size); 33076195Sbrian if (!digi_bcopy(sc->bios.data + cnt, ptr, 33176195Sbrian sc->bios.size - cnt)) { 33276195Sbrian device_printf(sc->dev, "BIOS upload failed\n"); 33376195Sbrian return (EIO); 33476195Sbrian } 33576195Sbrian } 33676195Sbrian 33776195Sbrian ptr = sc->setwin(sc, 0); 33876195Sbrian vW(ptr + 0) = 0x0401; 33976195Sbrian vW(ptr + 2) = 0x0bf0; 34076195Sbrian vW(ptr + 4) = 0x0000; 34176195Sbrian vW(ptr + 6) = 0x0000; 34276195Sbrian 34376195Sbrian break; 34476195Sbrian } 34576195Sbrian 34676195Sbrian DLOG(DIGIDB_INIT, (sc->dev, "BIOS uploaded\n")); 34776195Sbrian 34876195Sbrian ptr = sc->setwin(sc, MISCGLOBAL); 34976195Sbrian W(ptr) = 0; 35076195Sbrian 35176195Sbrian if (sc->model == PCIXR) { 35276195Sbrian PCIPORT = FEPCLR; 35376195Sbrian resp = FEPRST; 35476195Sbrian } else if (sc->model == PCXEVE) { 35576195Sbrian outb(sc->port, FEPCLR); 35676195Sbrian resp = FEPRST; 35776195Sbrian } else { 35876195Sbrian outb(sc->port, FEPCLR | FEPMEM); 35976195Sbrian resp = FEPRST | FEPMEM; 36076195Sbrian } 36176195Sbrian 36276195Sbrian for (i = 0; ((sc->model == PCIXR ? PCIPORT : inb(sc->port)) & FEPMASK) 36376195Sbrian == resp; i++) { 36476195Sbrian if (i > 1000) { 36576195Sbrian log(LOG_ERR, "digi%d: BIOS start failed\n", 36676195Sbrian sc->res.unit); 36776195Sbrian return (EIO); 36876195Sbrian } 36976195Sbrian tsleep(sc, PUSER | PCATCH, "digibios0", 1); 37076195Sbrian } 37176195Sbrian 37276195Sbrian DLOG(DIGIDB_INIT, (sc->dev, "BIOS started after %d us\n", i)); 37376195Sbrian 37476195Sbrian for (i = 0; vW(ptr) != *(u_short *)"GD"; i++) { 37576195Sbrian if (i > 2000) { 37676195Sbrian log(LOG_ERR, "digi%d: BIOS boot failed " 37776195Sbrian "(0x%02x != 0x%02x)\n", 37876195Sbrian sc->res.unit, vW(ptr), *(u_short *)"GD"); 37976195Sbrian return (EIO); 38076195Sbrian } 38176195Sbrian tsleep(sc, PUSER | PCATCH, "digibios1", 1); 38276195Sbrian } 38376195Sbrian 38476195Sbrian DLOG(DIGIDB_INIT, (sc->dev, "BIOS booted after %d iterations\n", i)); 38576195Sbrian 38676195Sbrian if (sc->link.data != NULL) { 38776195Sbrian DLOG(DIGIDB_INIT, (sc->dev, "Loading link data\n")); 38876195Sbrian ptr = sc->setwin(sc, 0xcd0); 38976195Sbrian digi_bcopy(sc->link.data, ptr, 21); /* XXX 21 ? */ 39076195Sbrian } 39176195Sbrian 39276195Sbrian /* load FEP/OS */ 39376195Sbrian 39476195Sbrian switch (sc->model) { 39576195Sbrian case PCXE: 39676195Sbrian case PCXEVE: 39776195Sbrian case PCXI: 39876195Sbrian ptr = sc->setwin(sc, sc->model == PCXI ? 0x2000 : 0x0); 39976195Sbrian digi_bcopy(sc->fep.data, ptr, sc->fep.size); 40076195Sbrian 40176195Sbrian /* A BIOS request to move our data to 0x2000 */ 40276195Sbrian ptr = sc->setwin(sc, MBOX); 40376195Sbrian vW(ptr + 0) = 2; 40476195Sbrian vW(ptr + 2) = sc->mem_seg + FEPCODESEG; 40576195Sbrian vW(ptr + 4) = 0; 40676195Sbrian vW(ptr + 6) = FEPCODESEG; 40776195Sbrian vW(ptr + 8) = 0; 40876195Sbrian vW(ptr + 10) = sc->fep.size; 40976195Sbrian 41076195Sbrian /* Run the BIOS request */ 41176195Sbrian outb(sc->port, FEPREQ | FEPMEM); 41276195Sbrian outb(sc->port, FEPCLR | FEPMEM); 41376195Sbrian 41476195Sbrian for (i = 0; W(ptr); i++) { 41576195Sbrian if (i > 10) { 41676195Sbrian log(LOG_ERR, "digi%d: FEP/OS move failed\n", 41776195Sbrian sc->res.unit); 41876195Sbrian sc->hidewin(sc); 41976195Sbrian return (EIO); 42076195Sbrian } 42176195Sbrian tsleep(sc, PUSER | PCATCH, "digifep0", 1); 42276195Sbrian } 42376195Sbrian DLOG(DIGIDB_INIT, 42476195Sbrian (sc->dev, "FEP/OS moved after %d iterations\n", i)); 42576195Sbrian 42676195Sbrian /* Clear the confirm word */ 42776195Sbrian ptr = sc->setwin(sc, FEPSTAT); 42876195Sbrian vW(ptr + 0) = 0; 42976195Sbrian 43076195Sbrian /* A BIOS request to execute the FEP/OS */ 43176195Sbrian ptr = sc->setwin(sc, MBOX); 43276195Sbrian vW(ptr + 0) = 0x01; 43376195Sbrian vW(ptr + 2) = FEPCODESEG; 43476195Sbrian vW(ptr + 4) = 0x04; 43576195Sbrian 43676195Sbrian /* Run the BIOS request */ 43776195Sbrian outb(sc->port, FEPREQ); 43876195Sbrian outb(sc->port, FEPCLR); 43976195Sbrian 44076195Sbrian ptr = sc->setwin(sc, FEPSTAT); 44176195Sbrian 44276195Sbrian break; 44376195Sbrian 44476195Sbrian case PCXEM: 44576195Sbrian case PCIEPCX: 44676195Sbrian case PCIXR: 44776195Sbrian DLOG(DIGIDB_INIT, (sc->dev, "Loading FEP/OS\n")); 44876195Sbrian 44976195Sbrian cnt = (sc->fep.size < sc->win_size - BIOSOFFSET) ? 45076195Sbrian sc->fep.size : sc->win_size - BIOSOFFSET; 45176195Sbrian 45276195Sbrian ptr = sc->setwin(sc, BIOSOFFSET); 45376195Sbrian digi_bcopy(sc->fep.data, ptr, cnt); 45476195Sbrian 45576195Sbrian if (cnt != sc->fep.size) { 45676195Sbrian ptr = sc->setwin(sc, BIOSOFFSET + cnt); 45776195Sbrian digi_bcopy(sc->fep.data + cnt, ptr, 45876195Sbrian sc->fep.size - cnt); 45976195Sbrian } 46076195Sbrian 46176195Sbrian DLOG(DIGIDB_INIT, (sc->dev, "FEP/OS loaded\n")); 46276195Sbrian 46376195Sbrian ptr = sc->setwin(sc, 0xc30); 46476195Sbrian W(ptr + 4) = 0x1004; 46576195Sbrian W(ptr + 6) = 0xbfc0; 46676195Sbrian W(ptr + 0) = 0x03; 46776195Sbrian W(ptr + 2) = 0x00; 46876195Sbrian 46976195Sbrian /* Clear the confirm word */ 47076195Sbrian ptr = sc->setwin(sc, FEPSTAT); 47176195Sbrian W(ptr + 0) = 0; 47276195Sbrian 47376195Sbrian if (sc->port) 47476195Sbrian outb(sc->port, 0); /* XXX necessary ? */ 47576195Sbrian 47676195Sbrian break; 47776195Sbrian 47876195Sbrian case PCCX: 47976195Sbrian ptr = sc->setwin(sc, 0xd000); 48076195Sbrian digi_bcopy(sc->fep.data, ptr, sc->fep.size); 48176195Sbrian 48276195Sbrian /* A BIOS request to execute the FEP/OS */ 48376195Sbrian ptr = sc->setwin(sc, 0xc40); 48476195Sbrian W(ptr + 0) = 1; 48576195Sbrian W(ptr + 2) = FEPCODE >> 4; 48676195Sbrian W(ptr + 4) = 4; 48776195Sbrian 48876195Sbrian /* Clear the confirm word */ 48976195Sbrian ptr = sc->setwin(sc, FEPSTAT); 49076195Sbrian W(ptr + 0) = 0; 49176195Sbrian 49276195Sbrian /* Run the BIOS request */ 49376195Sbrian outb(sc->port, FEPREQ | FEPMEM); /* send interrupt to BIOS */ 49476195Sbrian outb(sc->port, FEPCLR | FEPMEM); 49576195Sbrian break; 49676195Sbrian } 49776195Sbrian 49876195Sbrian /* Now wait 'till the FEP/OS has booted */ 49976195Sbrian for (i = 0; vW(ptr) != *(u_short *)"OS"; i++) { 50076195Sbrian if (i > 2000) { 50176195Sbrian log(LOG_ERR, "digi%d: FEP/OS start failed " 50276195Sbrian "(0x%02x != 0x%02x)\n", 50376195Sbrian sc->res.unit, vW(ptr), *(u_short *)"OS"); 50476195Sbrian sc->hidewin(sc); 50576195Sbrian return (EIO); 50676195Sbrian } 50776195Sbrian tsleep(sc, PUSER | PCATCH, "digifep1", 1); 50876195Sbrian } 50976195Sbrian 51076195Sbrian DLOG(DIGIDB_INIT, (sc->dev, "FEP/OS started after %d iterations\n", i)); 51176195Sbrian 51276195Sbrian if (sc->model >= PCXEM) { 51376195Sbrian ptr = sc->setwin(sc, 0xe04); 51476195Sbrian vW(ptr) = 2; 51576195Sbrian ptr = sc->setwin(sc, 0xc02); 51676195Sbrian sc->numports = vW(ptr); 51776195Sbrian } else { 51876195Sbrian ptr = sc->setwin(sc, 0xc22); 51976195Sbrian sc->numports = vW(ptr); 52076195Sbrian } 52176195Sbrian 52276195Sbrian if (sc->numports == 0) { 52376195Sbrian device_printf(sc->dev, "%s, 0 ports found\n", sc->name); 52476195Sbrian sc->hidewin(sc); 52576195Sbrian return (0); 52676195Sbrian } 52776195Sbrian 52876195Sbrian if (sc->numports > 256) { 52976195Sbrian /* Our minor numbering scheme is broken for more than 256 */ 53076195Sbrian device_printf(sc->dev, "%s, 256 ports (%d ports found)\n", 53176195Sbrian sc->name, sc->numports); 53276195Sbrian sc->numports = 256; 53376195Sbrian } else 53476195Sbrian device_printf(sc->dev, "%s, %d ports found\n", sc->name, 53576195Sbrian sc->numports); 53676195Sbrian 53776195Sbrian if (sc->ports) 53876195Sbrian free(sc->ports, M_TTYS); 53977004Sbrian sc->ports = malloc(sizeof(struct digi_p) * sc->numports, 54087503Sarr M_TTYS, M_WAITOK | M_ZERO); 54176195Sbrian 54276195Sbrian if (sc->ttys) 54376195Sbrian free(sc->ttys, M_TTYS); 54477004Sbrian sc->ttys = malloc(sizeof(struct tty) * sc->numports, 54587503Sarr M_TTYS, M_WAITOK | M_ZERO); 54676195Sbrian 54776195Sbrian /* 54876195Sbrian * XXX Should read port 0xc90 for an array of 2byte values, 1 per 54976195Sbrian * port. If the value is 0, the port is broken.... 55076195Sbrian */ 55176195Sbrian 55276195Sbrian ptr = sc->setwin(sc, 0); 55376195Sbrian 55476195Sbrian /* We should now init per-port structures */ 55576195Sbrian bc = (volatile struct board_chan *)(ptr + CHANSTRUCT); 55676195Sbrian sc->gdata = (volatile struct global_data *)(ptr + FEP_GLOBAL); 55776195Sbrian 55876195Sbrian sc->memcmd = ptr + sc->gdata->cstart; 55976195Sbrian sc->memevent = ptr + sc->gdata->istart; 56076195Sbrian 56176195Sbrian for (i = 0; i < sc->numports; i++, bc++) { 56276195Sbrian port = sc->ports + i; 56376195Sbrian port->pnum = i; 56476195Sbrian port->sc = sc; 56576195Sbrian port->status = ENABLED; 56676195Sbrian port->tp = sc->ttys + i; 56776195Sbrian port->bc = bc; 56876195Sbrian 56976195Sbrian if (sc->model == PCXEVE) { 57076195Sbrian port->txbuf = ptr + 57176195Sbrian (((bc->tseg - sc->mem_seg) << 4) & 0x1fff); 57276195Sbrian port->rxbuf = ptr + 57376195Sbrian (((bc->rseg - sc->mem_seg) << 4) & 0x1fff); 57476195Sbrian port->txwin = FEPWIN | ((bc->tseg - sc->mem_seg) >> 9); 57576195Sbrian port->rxwin = FEPWIN | ((bc->rseg - sc->mem_seg) >> 9); 57676195Sbrian } else if (sc->model == PCXI || sc->model == PCXE) { 57776195Sbrian port->txbuf = ptr + ((bc->tseg - sc->mem_seg) << 4); 57876195Sbrian port->rxbuf = ptr + ((bc->rseg - sc->mem_seg) << 4); 57976195Sbrian port->txwin = port->rxwin = 0; 58076195Sbrian } else { 58176195Sbrian port->txbuf = ptr + 58276195Sbrian (((bc->tseg - sc->mem_seg) << 4) % sc->win_size); 58376195Sbrian port->rxbuf = ptr + 58476195Sbrian (((bc->rseg - sc->mem_seg) << 4) % sc->win_size); 58576195Sbrian port->txwin = FEPWIN | 58676195Sbrian (((bc->tseg - sc->mem_seg) << 4) / sc->win_size); 58776195Sbrian port->rxwin = FEPWIN | 58876195Sbrian (((bc->rseg - sc->mem_seg) << 4) / sc->win_size); 58976195Sbrian } 59076195Sbrian port->txbufsize = bc->tmax + 1; 59176195Sbrian port->rxbufsize = bc->rmax + 1; 59276195Sbrian 59376195Sbrian lowwater = port->txbufsize >> 2; 59476195Sbrian if (lowwater > 1024) 59576195Sbrian lowwater = 1024; 59676195Sbrian sc->setwin(sc, 0); 59776195Sbrian fepcmd_w(port, STXLWATER, lowwater, 10); 59876195Sbrian fepcmd_w(port, SRXLWATER, port->rxbufsize >> 2, 10); 59976195Sbrian fepcmd_w(port, SRXHWATER, (3 * port->rxbufsize) >> 2, 10); 60076195Sbrian 60176195Sbrian bc->edelay = 100; 60276195Sbrian port->dtr_wait = 3 * hz; 60376195Sbrian 60476195Sbrian /* 60576195Sbrian * We don't use all the flags from <sys/ttydefaults.h> since 60676195Sbrian * they are only relevant for logins. It's important to have 60776195Sbrian * echo off initially so that the line doesn't start blathering 60876195Sbrian * before the echo flag can be turned off. 60976195Sbrian */ 61076195Sbrian port->it_in.c_iflag = 0; 61176195Sbrian port->it_in.c_oflag = 0; 61276195Sbrian port->it_in.c_cflag = TTYDEF_CFLAG; 61376195Sbrian port->it_in.c_lflag = 0; 61476195Sbrian termioschars(&port->it_in); 61576195Sbrian port->it_in.c_ispeed = port->it_in.c_ospeed = digidefaultrate; 61676195Sbrian port->it_out = port->it_in; 61776195Sbrian port->send_ring = 1; /* Default action on signal RI */ 61876195Sbrian 61976195Sbrian port->dev[0] = make_dev(&digi_sw, (sc->res.unit << 16) + i, 62076195Sbrian UID_ROOT, GID_WHEEL, 0600, "ttyD%d.%d", sc->res.unit, i); 62176195Sbrian port->dev[1] = make_dev(&digi_sw, ((sc->res.unit << 16) + i) | 62276195Sbrian CONTROL_INIT_STATE, UID_ROOT, GID_WHEEL, 62376195Sbrian 0600, "ttyiD%d.%d", sc->res.unit, i); 62476195Sbrian port->dev[2] = make_dev(&digi_sw, ((sc->res.unit << 16) + i) | 62576195Sbrian CONTROL_LOCK_STATE, UID_ROOT, GID_WHEEL, 62676195Sbrian 0600, "ttylD%d.%d", sc->res.unit, i); 62776195Sbrian port->dev[3] = make_dev(&digi_sw, ((sc->res.unit << 16) + i) | 62876195Sbrian CALLOUT_MASK, UID_UUCP, GID_DIALER, 62976195Sbrian 0660, "cuaD%d.%d", sc->res.unit, i); 63076195Sbrian port->dev[4] = make_dev(&digi_sw, ((sc->res.unit << 16) + i) | 63176195Sbrian CALLOUT_MASK | CONTROL_INIT_STATE, UID_UUCP, GID_DIALER, 63276195Sbrian 0660, "cuaiD%d.%d", sc->res.unit, i); 63376195Sbrian port->dev[5] = make_dev(&digi_sw, ((sc->res.unit << 16) + i) | 63476195Sbrian CALLOUT_MASK | CONTROL_LOCK_STATE, UID_UUCP, GID_DIALER, 63576195Sbrian 0660, "cualD%d.%d", sc->res.unit, i); 63676195Sbrian } 63776195Sbrian 63876195Sbrian sc->hidewin(sc); 63976195Sbrian sc->inttest = timeout(digi_int_test, sc, hz); 64076195Sbrian /* fepcmd_w(&sc->ports[0], 0xff, 0, 0); */ 64176195Sbrian sc->status = DIGI_STATUS_ENABLED; 64276195Sbrian 64376195Sbrian return (0); 64476195Sbrian} 64576195Sbrian 64676195Sbrianstatic int 64776195Sbriandigimctl(struct digi_p *port, int bits, int how) 64876195Sbrian{ 64976195Sbrian int mstat; 65076195Sbrian 65176195Sbrian if (how == DMGET) { 65276195Sbrian port->sc->setwin(port->sc, 0); 65376195Sbrian mstat = port->bc->mstat; 65476195Sbrian port->sc->hidewin(port->sc); 65576195Sbrian bits = TIOCM_LE; 65676195Sbrian if (mstat & port->sc->csigs->rts) 65776195Sbrian bits |= TIOCM_RTS; 65878496Sbrian if (mstat & port->cd) 65976195Sbrian bits |= TIOCM_CD; 66078496Sbrian if (mstat & port->dsr) 66176195Sbrian bits |= TIOCM_DSR; 66276195Sbrian if (mstat & port->sc->csigs->cts) 66376195Sbrian bits |= TIOCM_CTS; 66476195Sbrian if (mstat & port->sc->csigs->ri) 66576195Sbrian bits |= TIOCM_RI; 66676195Sbrian if (mstat & port->sc->csigs->dtr) 66776195Sbrian bits |= TIOCM_DTR; 66876195Sbrian return (bits); 66976195Sbrian } 67076195Sbrian 67176195Sbrian /* Only DTR and RTS may be set */ 67276195Sbrian mstat = 0; 67376195Sbrian if (bits & TIOCM_DTR) 67476195Sbrian mstat |= port->sc->csigs->dtr; 67576195Sbrian if (bits & TIOCM_RTS) 67676195Sbrian mstat |= port->sc->csigs->rts; 67776195Sbrian 67876195Sbrian switch (how) { 67976195Sbrian case DMSET: 68076195Sbrian fepcmd_b(port, SETMODEM, mstat, ~mstat, 0); 68176195Sbrian break; 68276195Sbrian case DMBIS: 68376195Sbrian fepcmd_b(port, SETMODEM, mstat, 0, 0); 68476195Sbrian break; 68576195Sbrian case DMBIC: 68676195Sbrian fepcmd_b(port, SETMODEM, 0, mstat, 0); 68776195Sbrian break; 68876195Sbrian } 68976195Sbrian 69076195Sbrian return (0); 69176195Sbrian} 69276195Sbrian 69376195Sbrianstatic void 69476195Sbriandigi_disc_optim(struct tty *tp, struct termios *t, struct digi_p *port) 69576195Sbrian{ 69676195Sbrian if (!(t->c_iflag & (ICRNL | IGNCR | IMAXBEL | INLCR | ISTRIP)) && 69776195Sbrian (!(t->c_iflag & BRKINT) || (t->c_iflag & IGNBRK)) && 69876195Sbrian (!(t->c_iflag & PARMRK) || 69976195Sbrian (t->c_iflag & (IGNPAR | IGNBRK)) == (IGNPAR | IGNBRK)) && 70076195Sbrian !(t->c_lflag & (ECHO | ICANON | IEXTEN | ISIG | PENDIN)) && 70176195Sbrian linesw[tp->t_line].l_rint == ttyinput) 70276195Sbrian tp->t_state |= TS_CAN_BYPASS_L_RINT; 70376195Sbrian else 70476195Sbrian tp->t_state &= ~TS_CAN_BYPASS_L_RINT; 70576195Sbrian} 70676195Sbrian 70776195Sbrianint 70883366Sjuliandigiopen(dev_t dev, int flag, int mode, struct thread *td) 70976195Sbrian{ 71076195Sbrian struct digi_softc *sc; 71176195Sbrian struct tty *tp; 71276195Sbrian int unit; 71376195Sbrian int pnum; 71476195Sbrian struct digi_p *port; 71576195Sbrian int s; 71676195Sbrian int error, mynor; 71776195Sbrian volatile struct board_chan *bc; 71876195Sbrian 71976195Sbrian error = 0; 72076195Sbrian mynor = minor(dev); 72176195Sbrian unit = MINOR_TO_UNIT(minor(dev)); 72276195Sbrian pnum = MINOR_TO_PORT(minor(dev)); 72376195Sbrian 72476195Sbrian sc = (struct digi_softc *)devclass_get_softc(digi_devclass, unit); 72576195Sbrian if (!sc) 72676195Sbrian return (ENXIO); 72776195Sbrian 72876195Sbrian if (sc->status != DIGI_STATUS_ENABLED) { 72976195Sbrian DLOG(DIGIDB_OPEN, (sc->dev, "Cannot open a disabled card\n")); 73076195Sbrian return (ENXIO); 73176195Sbrian } 73276195Sbrian if (pnum >= sc->numports) { 73376195Sbrian DLOG(DIGIDB_OPEN, (sc->dev, "port%d: Doesn't exist\n", pnum)); 73476195Sbrian return (ENXIO); 73576195Sbrian } 73676195Sbrian if (mynor & (CTRL_DEV | CONTROL_MASK)) { 73776195Sbrian sc->opencnt++; 73876195Sbrian return (0); 73976195Sbrian } 74076195Sbrian port = &sc->ports[pnum]; 74176195Sbrian tp = dev->si_tty = port->tp; 74276195Sbrian bc = port->bc; 74376195Sbrian 74476195Sbrian s = spltty(); 74576195Sbrian 74676195Sbrianopen_top: 74776195Sbrian while (port->status & DIGI_DTR_OFF) { 74876195Sbrian port->wopeners++; 74976195Sbrian error = tsleep(&port->dtr_wait, TTIPRI | PCATCH, "digidtr", 0); 75076195Sbrian port->wopeners--; 75176195Sbrian if (error) 75276195Sbrian goto out; 75376195Sbrian } 75476195Sbrian 75576195Sbrian if (tp->t_state & TS_ISOPEN) { 75676195Sbrian /* 75776195Sbrian * The device is open, so everything has been initialized. 75876195Sbrian * Handle conflicts. 75976195Sbrian */ 76076195Sbrian if (mynor & CALLOUT_MASK) { 76176195Sbrian if (!port->active_out) { 76276195Sbrian error = EBUSY; 76376195Sbrian DLOG(DIGIDB_OPEN, (sc->dev, "port %d:" 76476195Sbrian " BUSY error = %d\n", pnum, error)); 76576195Sbrian goto out; 76676195Sbrian } 76776195Sbrian } else if (port->active_out) { 76876195Sbrian if (flag & O_NONBLOCK) { 76976195Sbrian error = EBUSY; 77076195Sbrian DLOG(DIGIDB_OPEN, (sc->dev, 77176195Sbrian "port %d: BUSY error = %d\n", pnum, error)); 77276195Sbrian goto out; 77376195Sbrian } 77476195Sbrian port->wopeners++; 77576195Sbrian error = tsleep(&port->active_out, TTIPRI | PCATCH, 77676195Sbrian "digibi", 0); 77776195Sbrian port->wopeners--; 77876195Sbrian if (error != 0) { 77976195Sbrian DLOG(DIGIDB_OPEN, (sc->dev, 78076195Sbrian "port %d: tsleep(digibi) error = %d\n", 78176195Sbrian pnum, error)); 78276195Sbrian goto out; 78376195Sbrian } 78476195Sbrian goto open_top; 78576195Sbrian } 78693593Sjhb if (tp->t_state & TS_XCLUDE && suser(td) != 0) { 78776195Sbrian error = EBUSY; 78876195Sbrian goto out; 78976195Sbrian } 79076195Sbrian } else { 79176195Sbrian /* 79276195Sbrian * The device isn't open, so there are no conflicts. 79376195Sbrian * Initialize it. Initialization is done twice in many 79476195Sbrian * cases: to preempt sleeping callin opens if we are callout, 79576195Sbrian * and to complete a callin open after DCD rises. 79676195Sbrian */ 79776195Sbrian tp->t_oproc = digistart; 79876195Sbrian tp->t_param = digiparam; 79976195Sbrian tp->t_stop = digistop; 80076195Sbrian tp->t_dev = dev; 80176195Sbrian tp->t_termios = (mynor & CALLOUT_MASK) ? 80276195Sbrian port->it_out : port->it_in; 80376195Sbrian sc->setwin(sc, 0); 80476195Sbrian 80576195Sbrian bc->rout = bc->rin; /* clear input queue */ 80676195Sbrian bc->idata = 1; 80776195Sbrian bc->iempty = 1; 80876195Sbrian bc->ilow = 1; 80978496Sbrian bc->mint = port->cd | port->sc->csigs->ri; 81076195Sbrian bc->tin = bc->tout; 81178496Sbrian if (port->ialtpin) { 81278496Sbrian port->cd = sc->csigs->dsr; 81378496Sbrian port->dsr = sc->csigs->cd; 81478496Sbrian } else { 81578496Sbrian port->cd = sc->csigs->cd; 81678496Sbrian port->dsr = sc->csigs->dsr; 81778496Sbrian } 81876195Sbrian port->wopeners++; /* XXX required ? */ 81976195Sbrian error = digiparam(tp, &tp->t_termios); 82076195Sbrian port->wopeners--; 82176195Sbrian 82276195Sbrian if (error != 0) { 82376195Sbrian DLOG(DIGIDB_OPEN, (sc->dev, 82476195Sbrian "port %d: cxpparam error = %d\n", pnum, error)); 82576195Sbrian goto out; 82676195Sbrian } 82776195Sbrian ttsetwater(tp); 82876195Sbrian 82976195Sbrian /* handle fake and initial DCD for callout devices */ 83076195Sbrian 83178496Sbrian if (bc->mstat & port->cd || mynor & CALLOUT_MASK) 83276195Sbrian linesw[tp->t_line].l_modem(tp, 1); 83376195Sbrian } 83476195Sbrian 83576195Sbrian /* Wait for DCD if necessary */ 83676195Sbrian if (!(tp->t_state & TS_CARR_ON) && !(mynor & CALLOUT_MASK) && 83776195Sbrian !(tp->t_cflag & CLOCAL) && !(flag & O_NONBLOCK)) { 83876195Sbrian port->wopeners++; 83976195Sbrian error = tsleep(TSA_CARR_ON(tp), TTIPRI | PCATCH, "digidcd", 0); 84076195Sbrian port->wopeners--; 84176195Sbrian if (error != 0) { 84276195Sbrian DLOG(DIGIDB_OPEN, (sc->dev, 84376195Sbrian "port %d: tsleep(digidcd) error = %d\n", 84476195Sbrian pnum, error)); 84576195Sbrian goto out; 84676195Sbrian } 84776195Sbrian goto open_top; 84876195Sbrian } 84976195Sbrian error = linesw[tp->t_line].l_open(dev, tp); 85076195Sbrian DLOG(DIGIDB_OPEN, (sc->dev, "port %d: l_open error = %d\n", 85176195Sbrian pnum, error)); 85276195Sbrian 85376195Sbrian digi_disc_optim(tp, &tp->t_termios, port); 85476195Sbrian 85576195Sbrian if (tp->t_state & TS_ISOPEN && mynor & CALLOUT_MASK) 85676195Sbrian port->active_out = TRUE; 85776195Sbrian 85876195Sbrian if (tp->t_state & TS_ISOPEN) 85976195Sbrian sc->opencnt++; 86076195Sbrianout: 86176195Sbrian splx(s); 86276195Sbrian 86376195Sbrian if (!(tp->t_state & TS_ISOPEN)) 86476195Sbrian digihardclose(port); 86576195Sbrian 86676195Sbrian DLOG(DIGIDB_OPEN, (sc->dev, "port %d: open() returns %d\n", 86776195Sbrian pnum, error)); 86876195Sbrian 86976195Sbrian return (error); 87076195Sbrian} 87176195Sbrian 87276195Sbrianint 87383366Sjuliandigiclose(dev_t dev, int flag, int mode, struct thread *td) 87476195Sbrian{ 87576195Sbrian int mynor; 87676195Sbrian struct tty *tp; 87776195Sbrian int unit, pnum; 87876195Sbrian struct digi_softc *sc; 87976195Sbrian struct digi_p *port; 88076195Sbrian int s; 88176195Sbrian 88276195Sbrian mynor = minor(dev); 88376195Sbrian unit = MINOR_TO_UNIT(mynor); 88476195Sbrian pnum = MINOR_TO_PORT(mynor); 88576195Sbrian 88676195Sbrian sc = (struct digi_softc *)devclass_get_softc(digi_devclass, unit); 88776195Sbrian KASSERT(sc, ("digi%d: softc not allocated in digiclose\n", unit)); 88876195Sbrian 88976195Sbrian if (mynor & (CTRL_DEV | CONTROL_MASK)) { 89076195Sbrian sc->opencnt--; 89176195Sbrian return (0); 89276195Sbrian } 89376195Sbrian 89476195Sbrian port = sc->ports + pnum; 89576195Sbrian tp = port->tp; 89676195Sbrian 89776195Sbrian DLOG(DIGIDB_CLOSE, (sc->dev, "port %d: closing\n", pnum)); 89876195Sbrian 89976195Sbrian s = spltty(); 90076195Sbrian linesw[tp->t_line].l_close(tp, flag); 90176195Sbrian digi_disc_optim(tp, &tp->t_termios, port); 90276195Sbrian digistop(tp, FREAD | FWRITE); 90376195Sbrian digihardclose(port); 90476195Sbrian ttyclose(tp); 90576195Sbrian if (--sc->opencnt == 0) 90676195Sbrian splx(s); 90776195Sbrian return (0); 90876195Sbrian} 90976195Sbrian 91076195Sbrianstatic void 91176195Sbriandigidtrwakeup(void *chan) 91276195Sbrian{ 91376195Sbrian struct digi_p *port = chan; 91476195Sbrian 91576195Sbrian port->status &= ~DIGI_DTR_OFF; 91676195Sbrian wakeup(&port->dtr_wait); 91776195Sbrian port->wopeners--; 91876195Sbrian} 91976195Sbrian 92076195Sbrianstatic void 92176195Sbriandigihardclose(struct digi_p *port) 92276195Sbrian{ 92376195Sbrian volatile struct board_chan *bc; 92476195Sbrian int s; 92576195Sbrian 92676195Sbrian bc = port->bc; 92776195Sbrian 92876195Sbrian s = spltty(); 92976195Sbrian port->sc->setwin(port->sc, 0); 93076195Sbrian bc->idata = 0; 93176195Sbrian bc->iempty = 0; 93276195Sbrian bc->ilow = 0; 93376195Sbrian bc->mint = 0; 93476195Sbrian if ((port->tp->t_cflag & HUPCL) || 93578496Sbrian (!port->active_out && !(bc->mstat & port->cd) && 93676195Sbrian !(port->it_in.c_cflag & CLOCAL)) || 93776195Sbrian !(port->tp->t_state & TS_ISOPEN)) { 93876195Sbrian digimctl(port, TIOCM_DTR | TIOCM_RTS, DMBIC); 93976195Sbrian if (port->dtr_wait != 0) { 94076195Sbrian /* Schedule a wakeup of any callin devices */ 94176195Sbrian port->wopeners++; 94276195Sbrian timeout(&digidtrwakeup, port, port->dtr_wait); 94376195Sbrian port->status |= DIGI_DTR_OFF; 94476195Sbrian } 94576195Sbrian } 94676195Sbrian port->active_out = FALSE; 94776195Sbrian wakeup(&port->active_out); 94876195Sbrian wakeup(TSA_CARR_ON(port->tp)); 94976195Sbrian splx(s); 95076195Sbrian} 95176195Sbrian 95276195Sbrianint 95376195Sbriandigiread(dev_t dev, struct uio *uio, int flag) 95476195Sbrian{ 95576195Sbrian int mynor; 95676195Sbrian struct tty *tp; 95776195Sbrian int error, unit, pnum; 95876195Sbrian struct digi_softc *sc; 95976195Sbrian 96076195Sbrian mynor = minor(dev); 96176195Sbrian if (mynor & CONTROL_MASK) 96276195Sbrian return (ENODEV); 96376195Sbrian 96476195Sbrian unit = MINOR_TO_UNIT(mynor); 96576195Sbrian pnum = MINOR_TO_PORT(mynor); 96676195Sbrian 96776195Sbrian sc = (struct digi_softc *)devclass_get_softc(digi_devclass, unit); 96876195Sbrian KASSERT(sc, ("digi%d: softc not allocated in digiclose\n", unit)); 96976195Sbrian tp = &sc->ttys[pnum]; 97076195Sbrian 97176195Sbrian error = linesw[tp->t_line].l_read(tp, uio, flag); 97276195Sbrian DLOG(DIGIDB_READ, (sc->dev, "port %d: read() returns %d\n", 97376195Sbrian pnum, error)); 97476195Sbrian 97576195Sbrian return (error); 97676195Sbrian} 97776195Sbrian 97876195Sbrianint 97976195Sbriandigiwrite(dev_t dev, struct uio *uio, int flag) 98076195Sbrian{ 98176195Sbrian int mynor; 98276195Sbrian struct tty *tp; 98376195Sbrian int error, unit, pnum; 98476195Sbrian struct digi_softc *sc; 98576195Sbrian 98676195Sbrian mynor = minor(dev); 98776195Sbrian if (mynor & CONTROL_MASK) 98876195Sbrian return (ENODEV); 98976195Sbrian 99076195Sbrian unit = MINOR_TO_UNIT(mynor); 99176195Sbrian pnum = MINOR_TO_PORT(mynor); 99276195Sbrian 99376195Sbrian sc = (struct digi_softc *)devclass_get_softc(digi_devclass, unit); 99476195Sbrian KASSERT(sc, ("digi%d: softc not allocated in digiclose\n", unit)); 99576195Sbrian tp = &sc->ttys[pnum]; 99676195Sbrian 99776195Sbrian error = linesw[tp->t_line].l_write(tp, uio, flag); 99876195Sbrian DLOG(DIGIDB_WRITE, (sc->dev, "port %d: write() returns %d\n", 99976195Sbrian pnum, error)); 100076195Sbrian 100176195Sbrian return (error); 100276195Sbrian} 100376195Sbrian 100476195Sbrian/* 100576195Sbrian * Load module "digi_<mod>.ko" and look for a symbol called digi_mod_<mod>. 100676195Sbrian * 100776195Sbrian * Populate sc->bios, sc->fep, and sc->link from this data. 100876195Sbrian * 100976195Sbrian * sc->fep.data, sc->bios.data and sc->link.data are malloc()d according 101076195Sbrian * to their respective sizes. 101176195Sbrian * 101276195Sbrian * The module is unloaded when we're done. 101376195Sbrian */ 101476195Sbrianstatic int 101576195Sbriandigi_loadmoduledata(struct digi_softc *sc) 101676195Sbrian{ 101776195Sbrian struct digi_mod *digi_mod; 101876195Sbrian linker_file_t lf; 101976195Sbrian char *modfile, *sym; 102076195Sbrian caddr_t symptr; 102178414Sbrian int modlen, res; 102276195Sbrian 102376195Sbrian KASSERT(sc->bios.data == NULL, ("Uninitialised BIOS variable")); 102476195Sbrian KASSERT(sc->fep.data == NULL, ("Uninitialised FEP variable")); 102576195Sbrian KASSERT(sc->link.data == NULL, ("Uninitialised LINK variable")); 102676195Sbrian KASSERT(sc->module != NULL, ("Uninitialised module name")); 102776195Sbrian 102878414Sbrian modlen = strlen(sc->module); 102978414Sbrian modfile = malloc(modlen + 6, M_TEMP, M_WAITOK); 103078414Sbrian snprintf(modfile, modlen + 6, "digi_%s", sc->module); 103178414Sbrian if ((res = linker_reference_module(modfile, &lf)) != 0) 103276195Sbrian printf("%s: Failed %d to load module\n", modfile, res); 103376195Sbrian free(modfile, M_TEMP); 103476195Sbrian if (res != 0) 103576195Sbrian return (res); 103676195Sbrian 103778414Sbrian sym = malloc(modlen + 10, M_TEMP, M_WAITOK); 103878414Sbrian snprintf(sym, modlen + 10, "digi_mod_%s", sc->module); 103976195Sbrian if ((symptr = linker_file_lookup_symbol(lf, sym, 0)) == NULL) 104076195Sbrian printf("digi_%s.ko: Symbol `%s' not found\n", sc->module, sym); 104176195Sbrian free(sym, M_TEMP); 104276195Sbrian 104376195Sbrian digi_mod = (struct digi_mod *)symptr; 104476195Sbrian if (digi_mod->dm_version != DIGI_MOD_VERSION) { 104576195Sbrian printf("digi_%s.ko: Invalid version %d (need %d)\n", 104676195Sbrian sc->module, digi_mod->dm_version, DIGI_MOD_VERSION); 104776195Sbrian linker_file_unload(lf); 104876195Sbrian return (EINVAL); 104976195Sbrian } 105076195Sbrian 105176195Sbrian sc->bios.size = digi_mod->dm_bios.size; 105276195Sbrian if (sc->bios.size != 0 && digi_mod->dm_bios.data != NULL) { 105387503Sarr sc->bios.data = malloc(sc->bios.size, M_TTYS, M_WAITOK); 105476195Sbrian bcopy(digi_mod->dm_bios.data, sc->bios.data, sc->bios.size); 105576195Sbrian } 105676195Sbrian 105776195Sbrian sc->fep.size = digi_mod->dm_fep.size; 105876195Sbrian if (sc->fep.size != 0 && digi_mod->dm_fep.data != NULL) { 105987503Sarr sc->fep.data = malloc(sc->fep.size, M_TTYS, M_WAITOK); 106076195Sbrian bcopy(digi_mod->dm_fep.data, sc->fep.data, sc->fep.size); 106176195Sbrian } 106276195Sbrian 106376195Sbrian sc->link.size = digi_mod->dm_link.size; 106476195Sbrian if (sc->link.size != 0 && digi_mod->dm_link.data != NULL) { 106587503Sarr sc->link.data = malloc(sc->link.size, M_TTYS, M_WAITOK); 106676195Sbrian bcopy(digi_mod->dm_link.data, sc->link.data, sc->link.size); 106776195Sbrian } 106876195Sbrian 106976195Sbrian linker_file_unload(lf); 107076195Sbrian 107176195Sbrian return (0); 107276195Sbrian} 107376195Sbrian 107476195Sbrianstatic int 107583366Sjuliandigiioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct thread *td) 107676195Sbrian{ 107776195Sbrian int unit, pnum, mynor, error, s; 107876195Sbrian struct digi_softc *sc; 107976195Sbrian struct digi_p *port; 108076195Sbrian struct tty *tp; 108176195Sbrian#if defined(COMPAT_43) || defined(COMPAT_SUNOS) 108276195Sbrian int oldcmd; 108376195Sbrian struct termios term; 108476195Sbrian#endif 108576195Sbrian 108676195Sbrian mynor = minor(dev); 108776195Sbrian unit = MINOR_TO_UNIT(mynor); 108876195Sbrian pnum = MINOR_TO_PORT(mynor); 108976195Sbrian 109076195Sbrian sc = (struct digi_softc *)devclass_get_softc(digi_devclass, unit); 109176195Sbrian KASSERT(sc, ("digi%d: softc not allocated in digiioctl\n", unit)); 109276195Sbrian 109376195Sbrian if (sc->status == DIGI_STATUS_DISABLED) 109476195Sbrian return (ENXIO); 109576195Sbrian 109676195Sbrian if (mynor & CTRL_DEV) { 109776195Sbrian switch (cmd) { 109876195Sbrian case DIGIIO_DEBUG: 109976195Sbrian#ifdef DEBUG 110076195Sbrian digi_debug = *(int *)data; 110176195Sbrian return (0); 110276195Sbrian#else 110376195Sbrian device_printf(sc->dev, "DEBUG not defined\n"); 110476195Sbrian return (ENXIO); 110576195Sbrian#endif 110676195Sbrian case DIGIIO_REINIT: 110776195Sbrian digi_loadmoduledata(sc); 110876195Sbrian error = digi_init(sc); 110976195Sbrian digi_freemoduledata(sc); 111076195Sbrian return (error); 111176195Sbrian 111276195Sbrian case DIGIIO_MODEL: 111376705Sbrian *(enum digi_model *)data = sc->model; 111476195Sbrian return (0); 111576195Sbrian 111676195Sbrian case DIGIIO_IDENT: 111776195Sbrian return (copyout(sc->name, *(char **)data, 111876195Sbrian strlen(sc->name) + 1)); 111976195Sbrian } 112076195Sbrian } 112176195Sbrian 112276195Sbrian if (pnum >= sc->numports) 112376195Sbrian return (ENXIO); 112476195Sbrian 112576195Sbrian port = sc->ports + pnum; 112676195Sbrian if (!(port->status & ENABLED)) 112776195Sbrian return (ENXIO); 112876195Sbrian 112976195Sbrian tp = port->tp; 113076195Sbrian 113176195Sbrian if (mynor & CONTROL_MASK) { 113276195Sbrian struct termios *ct; 113376195Sbrian 113476195Sbrian switch (mynor & CONTROL_MASK) { 113576195Sbrian case CONTROL_INIT_STATE: 113676195Sbrian ct = (mynor & CALLOUT_MASK) ? 113776195Sbrian &port->it_out : &port->it_in; 113876195Sbrian break; 113976195Sbrian case CONTROL_LOCK_STATE: 114076195Sbrian ct = (mynor & CALLOUT_MASK) ? 114176195Sbrian &port->lt_out : &port->lt_in; 114276195Sbrian break; 114376195Sbrian default: 114476195Sbrian return (ENODEV); /* /dev/nodev */ 114576195Sbrian } 114676195Sbrian 114776195Sbrian switch (cmd) { 114876195Sbrian case TIOCSETA: 114993593Sjhb error = suser(td); 115076195Sbrian if (error != 0) 115176195Sbrian return (error); 115276195Sbrian *ct = *(struct termios *)data; 115378496Sbrian return (0); 115476195Sbrian 115576195Sbrian case TIOCGETA: 115676195Sbrian *(struct termios *)data = *ct; 115778496Sbrian return (0); 115876195Sbrian 115976195Sbrian case TIOCGETD: 116076195Sbrian *(int *)data = TTYDISC; 116176195Sbrian return (0); 116278496Sbrian 116376195Sbrian case TIOCGWINSZ: 116476195Sbrian bzero(data, sizeof(struct winsize)); 116576195Sbrian return (0); 116678496Sbrian 116778496Sbrian case DIGIIO_GETALTPIN: 116878496Sbrian switch (mynor & CONTROL_MASK) { 116978496Sbrian case CONTROL_INIT_STATE: 117078496Sbrian *(int *)data = port->ialtpin; 117178496Sbrian break; 117278496Sbrian 117378496Sbrian case CONTROL_LOCK_STATE: 117478496Sbrian *(int *)data = port->laltpin; 117578496Sbrian break; 117678496Sbrian 117778496Sbrian default: 117878496Sbrian panic("Confusion when re-testing minor"); 117978496Sbrian return (ENODEV); 118078496Sbrian } 118178496Sbrian return (0); 118278496Sbrian 118378496Sbrian case DIGIIO_SETALTPIN: 118478496Sbrian switch (mynor & CONTROL_MASK) { 118578496Sbrian case CONTROL_INIT_STATE: 118678496Sbrian if (!port->laltpin) { 118778496Sbrian port->ialtpin = !!*(int *)data; 118878496Sbrian DLOG(DIGIDB_SET, (sc->dev, 118978496Sbrian "port%d: initial ALTPIN %s\n", pnum, 119078496Sbrian port->ialtpin ? "set" : "cleared")); 119178496Sbrian } 119278496Sbrian break; 119378496Sbrian 119478496Sbrian case CONTROL_LOCK_STATE: 119578496Sbrian port->laltpin = !!*(int *)data; 119678496Sbrian DLOG(DIGIDB_SET, (sc->dev, 119778496Sbrian "port%d: ALTPIN %slocked\n", 119878496Sbrian pnum, port->laltpin ? "" : "un")); 119978496Sbrian break; 120078496Sbrian 120178496Sbrian default: 120278496Sbrian panic("Confusion when re-testing minor"); 120378496Sbrian return (ENODEV); 120478496Sbrian } 120578496Sbrian return (0); 120678496Sbrian 120776195Sbrian default: 120876195Sbrian return (ENOTTY); 120976195Sbrian } 121076195Sbrian } 121178496Sbrian 121278496Sbrian switch (cmd) { 121378496Sbrian case DIGIIO_GETALTPIN: 121478496Sbrian *(int *)data = !!(port->dsr == sc->csigs->cd); 121578496Sbrian return (0); 121678496Sbrian 121778496Sbrian case DIGIIO_SETALTPIN: 121878496Sbrian if (!port->laltpin) { 121978496Sbrian if (*(int *)data) { 122078496Sbrian DLOG(DIGIDB_SET, (sc->dev, 122178496Sbrian "port%d: ALTPIN set\n", pnum)); 122278496Sbrian port->cd = sc->csigs->dsr; 122378496Sbrian port->dsr = sc->csigs->cd; 122478496Sbrian } else { 122578496Sbrian DLOG(DIGIDB_SET, (sc->dev, 122678496Sbrian "port%d: ALTPIN cleared\n", pnum)); 122778496Sbrian port->cd = sc->csigs->cd; 122878496Sbrian port->dsr = sc->csigs->dsr; 122978496Sbrian } 123078496Sbrian } 123178496Sbrian return (0); 123278496Sbrian } 123378496Sbrian 123476195Sbrian tp = port->tp; 123576195Sbrian#if defined(COMPAT_43) || defined(COMPAT_SUNOS) 123676195Sbrian term = tp->t_termios; 123776195Sbrian oldcmd = cmd; 123876195Sbrian error = ttsetcompat(tp, &cmd, data, &term); 123976195Sbrian if (error != 0) 124076195Sbrian return (error); 124176195Sbrian if (cmd != oldcmd) 124276195Sbrian data = (caddr_t) & term; 124376195Sbrian#endif 124476195Sbrian if (cmd == TIOCSETA || cmd == TIOCSETAW || cmd == TIOCSETAF) { 124576195Sbrian int cc; 124676195Sbrian struct termios *dt; 124776195Sbrian struct termios *lt; 124876195Sbrian 124976195Sbrian dt = (struct termios *)data; 125076195Sbrian lt = (mynor & CALLOUT_MASK) ? &port->lt_out : &port->lt_in; 125176195Sbrian 125276195Sbrian dt->c_iflag = 125376195Sbrian (tp->t_iflag & lt->c_iflag) | (dt->c_iflag & ~lt->c_iflag); 125476195Sbrian dt->c_oflag = 125576195Sbrian (tp->t_oflag & lt->c_oflag) | (dt->c_oflag & ~lt->c_oflag); 125676195Sbrian dt->c_cflag = 125776195Sbrian (tp->t_cflag & lt->c_cflag) | (dt->c_cflag & ~lt->c_cflag); 125876195Sbrian dt->c_lflag = 125976195Sbrian (tp->t_lflag & lt->c_lflag) | (dt->c_lflag & ~lt->c_lflag); 126076195Sbrian port->c_iflag = dt->c_iflag & (IXOFF | IXON | IXANY); 126176195Sbrian dt->c_iflag &= ~(IXOFF | IXON | IXANY); 126276195Sbrian for (cc = 0; cc < NCCS; ++cc) 126376195Sbrian if (lt->c_cc[cc] != 0) 126476195Sbrian dt->c_cc[cc] = tp->t_cc[cc]; 126576195Sbrian if (lt->c_ispeed != 0) 126676195Sbrian dt->c_ispeed = tp->t_ispeed; 126776195Sbrian if (lt->c_ospeed != 0) 126876195Sbrian dt->c_ospeed = tp->t_ospeed; 126976195Sbrian } 127083366Sjulian error = linesw[tp->t_line].l_ioctl(tp, cmd, data, flag, td); 127176195Sbrian if (error == 0 && cmd == TIOCGETA) 127276195Sbrian ((struct termios *)data)->c_iflag |= port->c_iflag; 127376195Sbrian 127476195Sbrian if (error >= 0 && error != ENOIOCTL) 127576195Sbrian return (error); 127676195Sbrian s = spltty(); 127776195Sbrian error = ttioctl(tp, cmd, data, flag); 127876195Sbrian if (error == 0 && cmd == TIOCGETA) 127976195Sbrian ((struct termios *)data)->c_iflag |= port->c_iflag; 128076195Sbrian 128176195Sbrian digi_disc_optim(tp, &tp->t_termios, port); 128276195Sbrian if (error >= 0 && error != ENOIOCTL) { 128376195Sbrian splx(s); 128476195Sbrian return (error); 128576195Sbrian } 128676195Sbrian sc->setwin(sc, 0); 128776195Sbrian switch (cmd) { 128876195Sbrian case DIGIIO_RING: 128976195Sbrian port->send_ring = *(u_char *)data; 129076195Sbrian break; 129176195Sbrian case TIOCSBRK: 129276195Sbrian /* 129383861Sbrian * now it sends 400 millisecond break because I don't know 129476195Sbrian * how to send an infinite break 129576195Sbrian */ 129683861Sbrian fepcmd_w(port, SENDBREAK, 400, 10); 129776195Sbrian break; 129876195Sbrian case TIOCCBRK: 129976195Sbrian /* now it's empty */ 130076195Sbrian break; 130176195Sbrian case TIOCSDTR: 130276195Sbrian digimctl(port, TIOCM_DTR, DMBIS); 130376195Sbrian break; 130476195Sbrian case TIOCCDTR: 130576195Sbrian digimctl(port, TIOCM_DTR, DMBIC); 130676195Sbrian break; 130776195Sbrian case TIOCMSET: 130876195Sbrian digimctl(port, *(int *)data, DMSET); 130976195Sbrian break; 131076195Sbrian case TIOCMBIS: 131176195Sbrian digimctl(port, *(int *)data, DMBIS); 131276195Sbrian break; 131376195Sbrian case TIOCMBIC: 131476195Sbrian digimctl(port, *(int *)data, DMBIC); 131576195Sbrian break; 131676195Sbrian case TIOCMGET: 131776195Sbrian *(int *)data = digimctl(port, 0, DMGET); 131876195Sbrian break; 131976195Sbrian case TIOCMSDTRWAIT: 132093593Sjhb error = suser(td); 132176195Sbrian if (error != 0) { 132276195Sbrian splx(s); 132376195Sbrian return (error); 132476195Sbrian } 132576195Sbrian port->dtr_wait = *(int *)data *hz / 100; 132676195Sbrian 132776195Sbrian break; 132876195Sbrian case TIOCMGDTRWAIT: 132976195Sbrian *(int *)data = port->dtr_wait * 100 / hz; 133076195Sbrian break; 133176195Sbrian#ifdef DIGI_INTERRUPT 133276195Sbrian case TIOCTIMESTAMP: 133376195Sbrian *(struct timeval *)data = sc->intr_timestamp; 133476195Sbrian 133576195Sbrian break; 133676195Sbrian#endif 133776195Sbrian default: 133876195Sbrian splx(s); 133976195Sbrian return (ENOTTY); 134076195Sbrian } 134176195Sbrian splx(s); 134276195Sbrian return (0); 134376195Sbrian} 134476195Sbrian 134576195Sbrianstatic int 134676195Sbriandigiparam(struct tty *tp, struct termios *t) 134776195Sbrian{ 134876195Sbrian int mynor; 134976195Sbrian int unit; 135076195Sbrian int pnum; 135176195Sbrian struct digi_softc *sc; 135276195Sbrian struct digi_p *port; 135376195Sbrian int cflag; 135476195Sbrian int iflag; 135576195Sbrian int hflow; 135676195Sbrian int s; 135776195Sbrian int window; 135876195Sbrian 135976195Sbrian mynor = minor(tp->t_dev); 136076195Sbrian unit = MINOR_TO_UNIT(mynor); 136176195Sbrian pnum = MINOR_TO_PORT(mynor); 136276195Sbrian 136376195Sbrian sc = (struct digi_softc *)devclass_get_softc(digi_devclass, unit); 136476195Sbrian KASSERT(sc, ("digi%d: softc not allocated in digiparam\n", unit)); 136576195Sbrian 136676195Sbrian port = &sc->ports[pnum]; 136776195Sbrian 136876195Sbrian DLOG(DIGIDB_SET, (sc->dev, "port%d: setting parameters\n", pnum)); 136976195Sbrian 137076195Sbrian if (t->c_ispeed == 0) 137176195Sbrian t->c_ispeed = t->c_ospeed; 137276195Sbrian 137376195Sbrian cflag = ttspeedtab(t->c_ospeed, digispeedtab); 137476195Sbrian 137576195Sbrian if (cflag < 0 || (cflag > 0 && t->c_ispeed != t->c_ospeed)) 137676195Sbrian return (EINVAL); 137776195Sbrian 137876195Sbrian s = splclock(); 137976195Sbrian 138076195Sbrian window = sc->window; 138176195Sbrian sc->setwin(sc, 0); 138276195Sbrian 138376195Sbrian if (cflag == 0) { /* hangup */ 138476195Sbrian DLOG(DIGIDB_SET, (sc->dev, "port%d: hangup\n", pnum)); 138576195Sbrian digimctl(port, TIOCM_DTR | TIOCM_RTS, DMBIC); 138676195Sbrian } else { 138776195Sbrian digimctl(port, TIOCM_DTR | TIOCM_RTS, DMBIS); 138876195Sbrian 138976195Sbrian DLOG(DIGIDB_SET, (sc->dev, "port%d: CBAUD = %d\n", pnum, 139076195Sbrian cflag)); 139176195Sbrian 139276195Sbrian#if 0 139376195Sbrian /* convert flags to sysV-style values */ 139476195Sbrian if (t->c_cflag & PARODD) 139576195Sbrian cflag |= 0x0200; 139676195Sbrian if (t->c_cflag & PARENB) 139776195Sbrian cflag |= 0x0100; 139876195Sbrian if (t->c_cflag & CSTOPB) 139976195Sbrian cflag |= 0x0080; 140076195Sbrian#else 140176195Sbrian /* convert flags to sysV-style values */ 140276195Sbrian if (t->c_cflag & PARODD) 140376195Sbrian cflag |= FEP_PARODD; 140476195Sbrian if (t->c_cflag & PARENB) 140576195Sbrian cflag |= FEP_PARENB; 140676195Sbrian if (t->c_cflag & CSTOPB) 140776195Sbrian cflag |= FEP_CSTOPB; 140876195Sbrian if (t->c_cflag & CLOCAL) 140976195Sbrian cflag |= FEP_CLOCAL; 141076195Sbrian#endif 141176195Sbrian 141276195Sbrian cflag |= (t->c_cflag & CSIZE) >> 4; 141376195Sbrian DLOG(DIGIDB_SET, (sc->dev, "port%d: CFLAG = 0x%x\n", pnum, 141476195Sbrian cflag)); 141576195Sbrian fepcmd_w(port, SETCFLAGS, (unsigned)cflag, 0); 141676195Sbrian } 141776195Sbrian 141876195Sbrian iflag = 141976195Sbrian t->c_iflag & (IGNBRK | BRKINT | IGNPAR | PARMRK | INPCK | ISTRIP); 142076195Sbrian if (port->c_iflag & IXON) 142176195Sbrian iflag |= 0x400; 142276195Sbrian if (port->c_iflag & IXANY) 142376195Sbrian iflag |= 0x800; 142476195Sbrian if (port->c_iflag & IXOFF) 142576195Sbrian iflag |= 0x1000; 142676195Sbrian 142776195Sbrian DLOG(DIGIDB_SET, (sc->dev, "port%d: set iflag = 0x%x\n", pnum, iflag)); 142876195Sbrian fepcmd_w(port, SETIFLAGS, (unsigned)iflag, 0); 142976195Sbrian 143076195Sbrian hflow = 0; 143176195Sbrian if (t->c_cflag & CDTR_IFLOW) 143276195Sbrian hflow |= sc->csigs->dtr; 143376195Sbrian if (t->c_cflag & CRTS_IFLOW) 143476195Sbrian hflow |= sc->csigs->rts; 143576195Sbrian if (t->c_cflag & CCTS_OFLOW) 143676195Sbrian hflow |= sc->csigs->cts; 143776195Sbrian if (t->c_cflag & CDSR_OFLOW) 143878496Sbrian hflow |= port->dsr; 143976195Sbrian if (t->c_cflag & CCAR_OFLOW) 144078496Sbrian hflow |= port->cd; 144176195Sbrian 144276195Sbrian DLOG(DIGIDB_SET, (sc->dev, "port%d: set hflow = 0x%x\n", pnum, hflow)); 144376195Sbrian fepcmd_w(port, SETHFLOW, 0xff00 | (unsigned)hflow, 0); 144476195Sbrian 144576195Sbrian DLOG(DIGIDB_SET, (sc->dev, "port%d: set startc(0x%x), stopc(0x%x)\n", 144676195Sbrian pnum, t->c_cc[VSTART], t->c_cc[VSTOP])); 144776195Sbrian fepcmd_b(port, SONOFFC, t->c_cc[VSTART], t->c_cc[VSTOP], 0); 144876195Sbrian 144976195Sbrian if (sc->window != 0) 145076195Sbrian sc->towin(sc, 0); 145176195Sbrian if (window != 0) 145276195Sbrian sc->towin(sc, window); 145376195Sbrian splx(s); 145476195Sbrian 145576195Sbrian return (0); 145676195Sbrian} 145776195Sbrian 145876195Sbrianstatic void 145976195Sbriandigi_intr(void *vp) 146076195Sbrian{ 146176195Sbrian struct digi_p *port; 146276195Sbrian char *cxcon; 146376195Sbrian struct digi_softc *sc; 146476195Sbrian int ehead, etail; 146576195Sbrian volatile struct board_chan *bc; 146676195Sbrian struct tty *tp; 146776195Sbrian int head, tail; 146876195Sbrian int wrapmask; 146976195Sbrian int size, window; 147076195Sbrian struct event { 147176195Sbrian u_char pnum; 147276195Sbrian u_char event; 147376195Sbrian u_char mstat; 147476195Sbrian u_char lstat; 147576195Sbrian } event; 147676195Sbrian 147776195Sbrian sc = vp; 147876195Sbrian 147976195Sbrian if (sc->status != DIGI_STATUS_ENABLED) { 148076195Sbrian DLOG(DIGIDB_IRQ, (sc->dev, "interrupt on disabled board !\n")); 148176195Sbrian return; 148276195Sbrian } 148376327Sbrian 148476195Sbrian#ifdef DIGI_INTERRUPT 148576195Sbrian microtime(&sc->intr_timestamp); 148676195Sbrian#endif 148776195Sbrian 148876195Sbrian window = sc->window; 148976195Sbrian sc->setwin(sc, 0); 149076195Sbrian 149176195Sbrian if (sc->model >= PCXEM && W(sc->vmem + 0xd00)) { 149276195Sbrian struct con_bios *con = con_bios_list; 149376195Sbrian register u_char *ptr; 149476195Sbrian 149576195Sbrian ptr = sc->vmem + W(sc->vmem + 0xd00); 149676195Sbrian while (con) { 149776195Sbrian if (ptr[1] && W(ptr + 2) == W(con->bios + 2)) 149876195Sbrian /* Not first block -- exact match */ 149976195Sbrian break; 150076195Sbrian 150176195Sbrian if (W(ptr + 4) >= W(con->bios + 4) && 150276195Sbrian W(ptr + 4) <= W(con->bios + 6)) 150376195Sbrian /* Initial search concetrator BIOS */ 150476195Sbrian break; 150576195Sbrian } 150676195Sbrian 150776195Sbrian if (con == NULL) { 150876195Sbrian log(LOG_ERR, "digi%d: wanted bios LREV = 0x%04x" 150976195Sbrian " not found!\n", sc->res.unit, W(ptr + 4)); 151076195Sbrian W(ptr + 10) = 0; 151176195Sbrian W(sc->vmem + 0xd00) = 0; 151276195Sbrian goto eoi; 151376195Sbrian } 151476195Sbrian cxcon = con->bios; 151576195Sbrian W(ptr + 4) = W(cxcon + 4); 151676195Sbrian W(ptr + 6) = W(cxcon + 6); 151776195Sbrian if (ptr[1] == 0) 151876195Sbrian W(ptr + 2) = W(cxcon + 2); 151976195Sbrian W(ptr + 8) = (ptr[1] << 6) + W(cxcon + 8); 152076195Sbrian size = W(cxcon + 10) - (ptr[1] << 10); 152176195Sbrian if (size <= 0) { 152276195Sbrian W(ptr + 8) = W(cxcon + 8); 152376195Sbrian W(ptr + 10) = 0; 152476195Sbrian } else { 152576195Sbrian if (size > 1024) 152676195Sbrian size = 1024; 152776195Sbrian W(ptr + 10) = size; 152876195Sbrian bcopy(cxcon + (ptr[1] << 10), ptr + 12, size); 152976195Sbrian } 153076195Sbrian W(sc->vmem + 0xd00) = 0; 153176195Sbrian goto eoi; 153276195Sbrian } 153376195Sbrian 153476195Sbrian ehead = sc->gdata->ein; 153576195Sbrian etail = sc->gdata->eout; 153676195Sbrian if (ehead == etail) { 153776195Sbrian#ifdef DEBUG 153876195Sbrian sc->intr_count++; 153976195Sbrian if (sc->intr_count % 6000 == 0) { 154076195Sbrian DLOG(DIGIDB_IRQ, (sc->dev, 154176195Sbrian "6000 useless polls %x %x\n", ehead, etail)); 154276195Sbrian sc->intr_count = 0; 154376195Sbrian } 154476195Sbrian#endif 154576195Sbrian goto eoi; 154676195Sbrian } 154776195Sbrian while (ehead != etail) { 154876195Sbrian event = *(volatile struct event *)(sc->memevent + etail); 154976195Sbrian 155076195Sbrian etail = (etail + 4) & sc->gdata->imax; 155176195Sbrian 155276195Sbrian if (event.pnum >= sc->numports) { 155376195Sbrian log(LOG_ERR, "digi%d: port %d: got event" 155476195Sbrian " on nonexisting port\n", sc->res.unit, 155576195Sbrian event.pnum); 155676195Sbrian continue; 155776195Sbrian } 155876195Sbrian port = &sc->ports[event.pnum]; 155976195Sbrian bc = port->bc; 156076195Sbrian tp = port->tp; 156176195Sbrian 156276195Sbrian if (!(tp->t_state & TS_ISOPEN) && !port->wopeners) { 156376195Sbrian DLOG(DIGIDB_IRQ, (sc->dev, 156476195Sbrian "port %d: event 0x%x on closed port\n", 156576195Sbrian event.pnum, event.event)); 156676195Sbrian bc->rout = bc->rin; 156776195Sbrian bc->idata = 0; 156876195Sbrian bc->iempty = 0; 156976195Sbrian bc->ilow = 0; 157076195Sbrian bc->mint = 0; 157176195Sbrian continue; 157276195Sbrian } 157376195Sbrian if (event.event & ~ALL_IND) 157476195Sbrian log(LOG_ERR, "digi%d: port%d: ? event 0x%x mstat 0x%x" 157576195Sbrian " lstat 0x%x\n", sc->res.unit, event.pnum, 157676195Sbrian event.event, event.mstat, event.lstat); 157776195Sbrian 157876195Sbrian if (event.event & DATA_IND) { 157976195Sbrian DLOG(DIGIDB_IRQ, (sc->dev, "port %d: DATA_IND\n", 158076195Sbrian event.pnum)); 158176195Sbrian wrapmask = port->rxbufsize - 1; 158276195Sbrian head = bc->rin; 158376195Sbrian tail = bc->rout; 158476195Sbrian 158576195Sbrian size = 0; 158676195Sbrian if (!(tp->t_state & TS_ISOPEN)) { 158776195Sbrian bc->rout = head; 158876195Sbrian goto end_of_data; 158976195Sbrian } 159076195Sbrian while (head != tail) { 159176195Sbrian int top; 159276195Sbrian 159376195Sbrian DLOG(DIGIDB_INT, (sc->dev, 159476195Sbrian "port %d: p rx head = %d tail = %d\n", 159576195Sbrian event.pnum, head, tail)); 159676195Sbrian top = (head > tail) ? head : wrapmask + 1; 159776195Sbrian sc->towin(sc, port->rxwin); 159876195Sbrian size = top - tail; 159976195Sbrian if (tp->t_state & TS_CAN_BYPASS_L_RINT) { 160076195Sbrian size = b_to_q((char *)port->rxbuf + 160176195Sbrian tail, size, &tp->t_rawq); 160276195Sbrian tail = top - size; 160376195Sbrian ttwakeup(tp); 160476195Sbrian } else for (; tail < top;) { 160576195Sbrian linesw[tp->t_line]. 160676195Sbrian l_rint(port->rxbuf[tail], tp); 160776195Sbrian sc->towin(sc, port->rxwin); 160876195Sbrian size--; 160976195Sbrian tail++; 161076195Sbrian if (tp->t_state & TS_TBLOCK) 161176195Sbrian break; 161276195Sbrian } 161376195Sbrian tail &= wrapmask; 161476195Sbrian sc->setwin(sc, 0); 161576195Sbrian bc->rout = tail; 161676195Sbrian head = bc->rin; 161776195Sbrian if (size) 161876195Sbrian break; 161976195Sbrian } 162076195Sbrian 162176195Sbrian if (bc->orun) { 162276195Sbrian CE_RECORD(port, CE_OVERRUN); 162376195Sbrian log(LOG_ERR, "digi%d: port%d: %s\n", 162476195Sbrian sc->res.unit, event.pnum, 162576195Sbrian digi_errortxt(CE_OVERRUN)); 162676195Sbrian bc->orun = 0; 162776195Sbrian } 162876195Sbrianend_of_data: 162976195Sbrian if (size) { 163076195Sbrian tp->t_state |= TS_TBLOCK; 163176195Sbrian port->status |= PAUSE_RX; 163276195Sbrian DLOG(DIGIDB_RX, (sc->dev, "port %d: pause RX\n", 163376195Sbrian event.pnum)); 163476195Sbrian } else { 163576195Sbrian bc->idata = 1; 163676195Sbrian } 163776195Sbrian } 163876195Sbrian 163976195Sbrian if (event.event & MODEMCHG_IND) { 164076195Sbrian DLOG(DIGIDB_MODEM, (sc->dev, "port %d: MODEMCHG_IND\n", 164176195Sbrian event.pnum)); 164276195Sbrian 164378496Sbrian if ((event.mstat ^ event.lstat) & port->cd) { 164476195Sbrian sc->hidewin(sc); 164576195Sbrian linesw[tp->t_line].l_modem 164678496Sbrian (tp, event.mstat & port->cd); 164776195Sbrian sc->setwin(sc, 0); 164876195Sbrian wakeup(TSA_CARR_ON(tp)); 164976195Sbrian } 165076195Sbrian 165176195Sbrian if (event.mstat & sc->csigs->ri) { 165276195Sbrian DLOG(DIGIDB_RI, (sc->dev, "port %d: RING\n", 165376195Sbrian event.pnum)); 165476195Sbrian if (port->send_ring) { 165576195Sbrian linesw[tp->t_line].l_rint('R', tp); 165676195Sbrian linesw[tp->t_line].l_rint('I', tp); 165776195Sbrian linesw[tp->t_line].l_rint('N', tp); 165876195Sbrian linesw[tp->t_line].l_rint('G', tp); 165976195Sbrian linesw[tp->t_line].l_rint('\r', tp); 166076195Sbrian linesw[tp->t_line].l_rint('\n', tp); 166176195Sbrian } 166276195Sbrian } 166376195Sbrian } 166476195Sbrian if (event.event & BREAK_IND) { 166576195Sbrian DLOG(DIGIDB_MODEM, (sc->dev, "port %d: BREAK_IND\n", 166676195Sbrian event.pnum)); 166776195Sbrian linesw[tp->t_line].l_rint(TTY_BI, tp); 166876195Sbrian } 166976195Sbrian if (event.event & (LOWTX_IND | EMPTYTX_IND)) { 167076195Sbrian DLOG(DIGIDB_IRQ, (sc->dev, "port %d:%s%s\n", 167176195Sbrian event.pnum, 167276195Sbrian event.event & LOWTX_IND ? " LOWTX" : "", 167376195Sbrian event.event & EMPTYTX_IND ? " EMPTYTX" : "")); 167476195Sbrian (*linesw[tp->t_line].l_start)(tp); 167576195Sbrian } 167676195Sbrian } 167776195Sbrian sc->gdata->eout = etail; 167876195Sbrianeoi: 167976195Sbrian if (sc->window != 0) 168076195Sbrian sc->towin(sc, 0); 168176195Sbrian if (window != 0) 168276195Sbrian sc->towin(sc, window); 168376195Sbrian} 168476195Sbrian 168576195Sbrianstatic void 168676195Sbriandigistart(struct tty *tp) 168776195Sbrian{ 168876195Sbrian int unit; 168976195Sbrian int pnum; 169076195Sbrian struct digi_p *port; 169176195Sbrian struct digi_softc *sc; 169276195Sbrian volatile struct board_chan *bc; 169376195Sbrian int head, tail; 169476195Sbrian int size, ocount, totcnt = 0; 169576195Sbrian int s; 169676195Sbrian int wmask; 169776195Sbrian 169876195Sbrian unit = MINOR_TO_UNIT(minor(tp->t_dev)); 169976195Sbrian pnum = MINOR_TO_PORT(minor(tp->t_dev)); 170076195Sbrian 170176195Sbrian sc = (struct digi_softc *)devclass_get_softc(digi_devclass, unit); 170276195Sbrian KASSERT(sc, ("digi%d: softc not allocated in digistart\n", unit)); 170376195Sbrian 170476195Sbrian port = &sc->ports[pnum]; 170576195Sbrian bc = port->bc; 170676195Sbrian 170776195Sbrian wmask = port->txbufsize - 1; 170876195Sbrian 170976195Sbrian s = spltty(); 171076195Sbrian port->lcc = tp->t_outq.c_cc; 171176195Sbrian sc->setwin(sc, 0); 171276195Sbrian if (!(tp->t_state & TS_TBLOCK)) { 171376195Sbrian if (port->status & PAUSE_RX) { 171476195Sbrian DLOG(DIGIDB_RX, (sc->dev, "port %d: resume RX\n", 171576195Sbrian pnum)); 171676195Sbrian /* 171776195Sbrian * CAREFUL - braces are needed here if the DLOG is 171876195Sbrian * optimised out! 171976195Sbrian */ 172076195Sbrian } 172176195Sbrian port->status &= ~PAUSE_RX; 172276195Sbrian bc->idata = 1; 172376195Sbrian } 172476195Sbrian if (!(tp->t_state & TS_TTSTOP) && port->status & PAUSE_TX) { 172576195Sbrian DLOG(DIGIDB_TX, (sc->dev, "port %d: resume TX\n", pnum)); 172676195Sbrian port->status &= ~PAUSE_TX; 172776195Sbrian fepcmd_w(port, RESUMETX, 0, 10); 172876195Sbrian } 172976195Sbrian if (tp->t_outq.c_cc == 0) 173076195Sbrian tp->t_state &= ~TS_BUSY; 173176195Sbrian else 173276195Sbrian tp->t_state |= TS_BUSY; 173376195Sbrian 173476195Sbrian head = bc->tin; 173576195Sbrian while (tp->t_outq.c_cc != 0) { 173676195Sbrian tail = bc->tout; 173776195Sbrian DLOG(DIGIDB_INT, (sc->dev, "port%d: s tx head = %d tail = %d\n", 173876195Sbrian pnum, head, tail)); 173976195Sbrian 174076195Sbrian if (head < tail) 174176195Sbrian size = tail - head - 1; 174276195Sbrian else { 174376195Sbrian size = port->txbufsize - head; 174476195Sbrian if (tail == 0) 174576195Sbrian size--; 174676195Sbrian } 174776195Sbrian 174876195Sbrian if (size == 0) 174976195Sbrian break; 175076195Sbrian sc->towin(sc, port->txwin); 175176195Sbrian ocount = q_to_b(&tp->t_outq, port->txbuf + head, size); 175276195Sbrian totcnt += ocount; 175376195Sbrian head += ocount; 175476195Sbrian head &= wmask; 175576195Sbrian sc->setwin(sc, 0); 175676195Sbrian bc->tin = head; 175776195Sbrian bc->iempty = 1; 175876195Sbrian bc->ilow = 1; 175976195Sbrian } 176076195Sbrian port->lostcc = tp->t_outq.c_cc; 176176195Sbrian tail = bc->tout; 176276195Sbrian if (head < tail) 176376195Sbrian size = port->txbufsize - tail + head; 176476195Sbrian else 176576195Sbrian size = head - tail; 176676195Sbrian 176776195Sbrian port->lbuf = size; 176876195Sbrian DLOG(DIGIDB_INT, (sc->dev, "port%d: s total cnt = %d\n", pnum, totcnt)); 176976195Sbrian ttwwakeup(tp); 177076195Sbrian splx(s); 177176195Sbrian} 177276195Sbrian 177376195Sbrianstatic void 177476195Sbriandigistop(struct tty *tp, int rw) 177576195Sbrian{ 177676195Sbrian struct digi_softc *sc; 177776195Sbrian int unit; 177876195Sbrian int pnum; 177976195Sbrian struct digi_p *port; 178076195Sbrian 178176195Sbrian unit = MINOR_TO_UNIT(minor(tp->t_dev)); 178276195Sbrian pnum = MINOR_TO_PORT(minor(tp->t_dev)); 178376195Sbrian 178476195Sbrian sc = (struct digi_softc *)devclass_get_softc(digi_devclass, unit); 178576195Sbrian KASSERT(sc, ("digi%d: softc not allocated in digistop\n", unit)); 178676195Sbrian port = sc->ports + pnum; 178776195Sbrian 178876195Sbrian DLOG(DIGIDB_TX, (sc->dev, "port %d: pause TX\n", pnum)); 178976195Sbrian port->status |= PAUSE_TX; 179076195Sbrian fepcmd_w(port, PAUSETX, 0, 10); 179176195Sbrian} 179276195Sbrian 179376195Sbrianstatic void 179476195Sbrianfepcmd(struct digi_p *port, int cmd, int op1, int ncmds) 179576195Sbrian{ 179676195Sbrian u_char *mem; 179776195Sbrian unsigned tail, head; 179876195Sbrian int count, n; 179976195Sbrian 180076195Sbrian mem = port->sc->memcmd; 180176195Sbrian 180276195Sbrian port->sc->setwin(port->sc, 0); 180376195Sbrian 180476195Sbrian head = port->sc->gdata->cin; 180576195Sbrian mem[head + 0] = cmd; 180676195Sbrian mem[head + 1] = port->pnum; 180776195Sbrian *(ushort *)(mem + head + 2) = op1; 180876195Sbrian 180976195Sbrian head = (head + 4) & port->sc->gdata->cmax; 181076195Sbrian port->sc->gdata->cin = head; 181176195Sbrian 181276195Sbrian for (count = FEPTIMEOUT; count > 0; count--) { 181376195Sbrian head = port->sc->gdata->cin; 181476195Sbrian tail = port->sc->gdata->cout; 181576195Sbrian n = (head - tail) & port->sc->gdata->cmax; 181676195Sbrian 181776195Sbrian if (n <= ncmds * sizeof(short) * 4) 181876195Sbrian break; 181976195Sbrian } 182076195Sbrian if (count == 0) 182176195Sbrian log(LOG_ERR, "digi%d: port%d: timeout on FEP command\n", 182276195Sbrian port->sc->res.unit, port->pnum); 182376195Sbrian} 182476195Sbrian 182576195Sbrianconst char * 182676195Sbriandigi_errortxt(int id) 182776195Sbrian{ 182876195Sbrian static const char *error_desc[] = { 182976195Sbrian "silo overflow", 183076195Sbrian "interrupt-level buffer overflow", 183176195Sbrian "tty-level buffer overflow", 183276195Sbrian }; 183376195Sbrian 183476195Sbrian KASSERT(id >= 0 && id < sizeof(error_desc) / sizeof(error_desc[0]), 183576195Sbrian ("Unexpected digi error id %d\n", id)); 183676195Sbrian 183776195Sbrian return (error_desc[id]); 183876195Sbrian} 183976195Sbrian 184076195Sbrianint 184176195Sbriandigi_attach(struct digi_softc *sc) 184276195Sbrian{ 184376195Sbrian sc->res.ctldev = make_dev(&digi_sw, 184476195Sbrian (sc->res.unit << 16) | CTRL_DEV, UID_ROOT, GID_WHEEL, 184576195Sbrian 0600, "digi%r.ctl", sc->res.unit); 184676195Sbrian 184776195Sbrian digi_loadmoduledata(sc); 184876195Sbrian digi_init(sc); 184976195Sbrian digi_freemoduledata(sc); 185076195Sbrian 185176195Sbrian return (0); 185276195Sbrian} 185376195Sbrian 185476195Sbrianstatic int 185576195Sbriandigi_inuse(struct digi_softc *sc) 185676195Sbrian{ 185776195Sbrian int i; 185876195Sbrian 185976195Sbrian for (i = 0; i < sc->numports; i++) 186076195Sbrian if (sc->ttys[i].t_state & TS_ISOPEN) { 186176195Sbrian DLOG(DIGIDB_INIT, (sc->dev, "port%d: busy\n", i)); 186276195Sbrian return (1); 186376195Sbrian } else if (sc->ports[i].wopeners || sc->ports[i].opencnt) { 186476195Sbrian DLOG(DIGIDB_INIT, (sc->dev, "port%d: blocked in open\n", 186576195Sbrian i)); 186676195Sbrian return (1); 186776195Sbrian } 186876195Sbrian return (0); 186976195Sbrian} 187076195Sbrian 187176195Sbrianstatic void 187276195Sbriandigi_free_state(struct digi_softc *sc) 187376195Sbrian{ 187476195Sbrian int d, i; 187576195Sbrian 187676195Sbrian /* Blow it all away */ 187776195Sbrian 187876195Sbrian for (i = 0; i < sc->numports; i++) 187976195Sbrian for (d = 0; d < 6; d++) 188076195Sbrian destroy_dev(sc->ports[i].dev[d]); 188176195Sbrian 188276195Sbrian untimeout(digi_poll, sc, sc->callout); 188376195Sbrian callout_handle_init(&sc->callout); 188476195Sbrian untimeout(digi_int_test, sc, sc->inttest); 188576195Sbrian callout_handle_init(&sc->inttest); 188676195Sbrian 188776195Sbrian bus_teardown_intr(sc->dev, sc->res.irq, sc->res.irqHandler); 188876195Sbrian#ifdef DIGI_INTERRUPT 188976195Sbrian if (sc->res.irq != NULL) { 189076195Sbrian bus_release_resource(dev, SYS_RES_IRQ, sc->res.irqrid, 189176195Sbrian sc->res.irq); 189276195Sbrian sc->res.irq = NULL; 189376195Sbrian } 189476195Sbrian#endif 189576195Sbrian if (sc->numports) { 189676195Sbrian KASSERT(sc->ports, ("digi%d: Lost my ports ?", sc->res.unit)); 189776195Sbrian KASSERT(sc->ttys, ("digi%d: Lost my ttys ?", sc->res.unit)); 189877004Sbrian free(sc->ports, M_TTYS); 189976195Sbrian sc->ports = NULL; 190077004Sbrian free(sc->ttys, M_TTYS); 190176195Sbrian sc->ttys = NULL; 190276195Sbrian sc->numports = 0; 190376195Sbrian } 190476195Sbrian 190576195Sbrian sc->status = DIGI_STATUS_NOTINIT; 190676195Sbrian} 190776195Sbrian 190876195Sbrianint 190976195Sbriandigi_detach(device_t dev) 191076195Sbrian{ 191176195Sbrian struct digi_softc *sc = device_get_softc(dev); 191276195Sbrian 191376195Sbrian DLOG(DIGIDB_INIT, (sc->dev, "detaching\n")); 191476195Sbrian 191576195Sbrian /* If we're INIT'd, numports must be 0 */ 191676195Sbrian KASSERT(sc->numports == 0 || sc->status != DIGI_STATUS_NOTINIT, 191776195Sbrian ("digi%d: numports(%d) & status(%d) are out of sync", 191876195Sbrian sc->res.unit, sc->numports, (int)sc->status)); 191976195Sbrian 192076195Sbrian if (digi_inuse(sc)) 192176195Sbrian return (EBUSY); 192276195Sbrian 192376195Sbrian digi_free_state(sc); 192476195Sbrian 192576195Sbrian destroy_dev(makedev(CDEV_MAJOR, 192676195Sbrian (sc->res.unit << 16) | CTRL_DEV)); 192776195Sbrian 192876195Sbrian if (sc->res.mem != NULL) { 192976195Sbrian bus_release_resource(dev, SYS_RES_MEMORY, sc->res.mrid, 193076195Sbrian sc->res.mem); 193176195Sbrian sc->res.mem = NULL; 193276195Sbrian } 193376195Sbrian if (sc->res.io != NULL) { 193476195Sbrian bus_release_resource(dev, SYS_RES_IOPORT, sc->res.iorid, 193576195Sbrian sc->res.io); 193676195Sbrian sc->res.io = NULL; 193776195Sbrian } 193876195Sbrian 193976195Sbrian return (0); 194076195Sbrian} 194176195Sbrian 194276195Sbrianint 194376195Sbriandigi_shutdown(device_t dev) 194476195Sbrian{ 194576195Sbrian return (0); 194676195Sbrian} 194794320Sbrian 194894320SbrianMODULE_VERSION(digi, 1); 1949