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Underlying ,v files were copied and detagged. Re-commit old versions

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onto the head revision.  (mainly using sys/bus.h etc for alpha)
This commit is contained in:
peter 1998-09-26 14:00:29 +00:00
parent 30c497ff89
commit 75b8dc0791
4 changed files with 670 additions and 336 deletions
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501
sys/dev/sio/sio.c
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@ -31,16 +31,27 @@
* SUCH DAMAGE.
*
* from: @(#)com.c 7.5 (Berkeley) 5/16/91
* $Id: sio.c,v 1.214 1998/08/23 10:16:26 bde Exp $
* $Id: sio.c,v 1.1 1998/09/24 02:07:28 jkh Exp $
*/
#include "opt_comconsole.h"
#include "opt_compat.h"
#include "opt_ddb.h"
#include "opt_devfs.h"
#include "opt_sio.h"
/* #include "opt_sio.h" */
#include "sio.h"
#include "pnp.h"
/* #include "pnp.h" */
#define NPNP 0
#ifndef EXTRA_SIO
#if NPNP > 0
#define EXTRA_SIO 2
#else
#define EXTRA_SIO 0
#endif
#endif
#define NSIOTOT (NSIO + EXTRA_SIO)
/*
* Serial driver, based on 386BSD-0.1 com driver.
@ -57,29 +68,32 @@
#include <sys/malloc.h>
#include <sys/tty.h>
#include <sys/proc.h>
#include <sys/module.h>
#include <sys/conf.h>
#include <sys/dkstat.h>
#include <sys/fcntl.h>
#include <sys/interrupt.h>
#include <sys/kernel.h>
#include <sys/syslog.h>
#include <sys/sysctl.h>
#include <sys/bus.h>
#ifdef DEVFS
#include <sys/devfsext.h>
#endif
#include <machine/clock.h>
#include <machine/ipl.h>
#include <isa/isareg.h>
#include <isa/isavar.h>
#include <machine/lock.h>
#include <i386/isa/isa.h>
#include <i386/isa/isa_device.h>
#include <i386/isa/sioreg.h>
#include <i386/isa/intr_machdep.h>
#include <machine/clock.h>
#include <isa/sioreg.h>
#ifdef COM_ESP
#include <i386/isa/ic/esp.h>
#include <isa/ic/esp.h>
#endif
#include <i386/isa/ic/ns16550.h>
#include <isa/ic/ns16550.h>
#if 0
#include "card.h"
#if NCARD > 0
@ -91,22 +105,18 @@
#include <i386/isa/pnp.h>
#endif
#endif
#define disable_intr() 0
#define enable_intr() 0
#ifdef SMP
#define disable_intr() COM_DISABLE_INTR()
#define enable_intr() COM_ENABLE_INTR()
#endif /* SMP */
#ifndef EXTRA_SIO
#if NPNP > 0
#define EXTRA_SIO MAX_PNP_CARDS
#else
#define EXTRA_SIO 0
#endif
#endif
#define NSIOTOT (NSIO + EXTRA_SIO)
#define LOTS_OF_EVENTS 64 /* helps separate urgent events from input */
#define RB_I_HIGH_WATER (TTYHOG - 2 * RS_IBUFSIZE)
#define RS_IBUFSIZE 256
#define CALLOUT_MASK 0x80
@ -121,22 +131,22 @@
/* checks in flags for multiport and which is multiport "master chip"
* for a given card
*/
#define COM_ISMULTIPORT(dev) ((dev)->id_flags & 0x01)
#define COM_MPMASTER(dev) (((dev)->id_flags >> 8) & 0x0ff)
#define COM_NOTAST4(dev) ((dev)->id_flags & 0x04)
#define COM_ISMULTIPORT(flags) ((flags) & 0x01)
#define COM_MPMASTER(flags) (((flags) >> 8) & 0x0ff)
#define COM_NOTAST4(flags) ((flags) & 0x04)
#endif /* COM_MULTIPORT */
#define COM_CONSOLE(dev) ((dev)->id_flags & 0x10)
#define COM_FORCECONSOLE(dev) ((dev)->id_flags & 0x20)
#define COM_LLCONSOLE(dev) ((dev)->id_flags & 0x40)
#define COM_LOSESOUTINTS(dev) ((dev)->id_flags & 0x08)
#define COM_NOFIFO(dev) ((dev)->id_flags & 0x02)
#define COM_ST16650A(dev) ((dev)->id_flags & 0x20000)
#define COM_C_NOPROBE (0x40000)
#define COM_NOPROBE(dev) ((dev)->id_flags & COM_C_NOPROBE)
#define COM_C_IIR_TXRDYBUG (0x80000)
#define COM_IIR_TXRDYBUG(dev) ((dev)->id_flags & COM_C_IIR_TXRDYBUG)
#define COM_FIFOSIZE(dev) (((dev)->id_flags & 0xff000000) >> 24)
#define COM_CONSOLE(flags) ((flags) & 0x10)
#define COM_FORCECONSOLE(flags) ((flags) & 0x20)
#define COM_LLCONSOLE(flags) ((flags) & 0x40)
#define COM_LOSESOUTINTS(flags) ((flags) & 0x08)
#define COM_NOFIFO(flags) ((flags) & 0x02)
#define COM_ST16650A(flags) ((flags) & 0x20000)
#define COM_C_NOPROBE (0x40000)
#define COM_NOPROBE(flags) ((flags) & COM_C_NOPROBE)
#define COM_C_IIR_TXRDYBUG (0x80000)
#define COM_IIR_TXRDYBUG(flags) ((flags) & COM_C_IIR_TXRDYBUG)
#define COM_FIFOSIZE(flags) (((flags) & 0xff000000) >> 24)
#define com_scr 7 /* scratch register for 16450-16550 (R/W) */
@ -204,7 +214,7 @@ struct lbq {
/* com device structure */
struct com_s {
u_int id_flags; /* Copy isa device falgas */
u_int flags; /* Copy isa device flags */
u_char state; /* miscellaneous flag bits */
bool_t active_out; /* nonzero if the callout device is open */
u_char cfcr_image; /* copy of value written to CFCR */
@ -302,19 +312,33 @@ struct com_s {
#endif
};
/*
* XXX public functions in drivers should be declared in headers produced
* by `config', not here.
*/
/* Interrupt handling entry point. */
void siopoll __P((void));
/* Device switch entry points. */
#define sioreset noreset
#define siommap nommap
#define siostrategy nostrategy
#ifdef COM_ESP
static int espattach __P((struct isa_device *isdp, struct com_s *com,
Port_t esp_port));
#endif
static int sioattach __P((struct isa_device *dev));
static int sioattach __P((device_t dev));
static timeout_t siobusycheck;
static timeout_t siodtrwakeup;
static void comhardclose __P((struct com_s *com));
static void siointr1 __P((struct com_s *com));
static void siointr __P((void *arg));
static int commctl __P((struct com_s *com, int bits, int how));
static int comparam __P((struct tty *tp, struct termios *t));
static swihand_t siopoll;
static int sioprobe __P((struct isa_device *dev));
static int sioprobe __P((device_t dev));
static void siosettimeout __P((void));
static void comstart __P((struct tty *tp));
static timeout_t comwakeup;
@ -328,11 +352,23 @@ static int LoadSoftModem __P((int unit,int base_io, u_long size, u_char *ptr
static char driver_name[] = "sio";
/* table and macro for fast conversion from a unit number to its com struct */
static struct com_s *p_com_addr[NSIOTOT];
#define com_addr(unit) (p_com_addr[unit])
static devclass_t sio_devclass;
#define com_addr(unit) ((struct com_s *) \
devclass_get_softc(sio_devclass, unit))
struct isa_driver siodriver = {
sioprobe, sioattach, driver_name
static device_method_t sio_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, sioprobe),
DEVMETHOD(device_attach, sioattach),
{ 0, 0 }
};
static driver_t sio_driver = {
driver_name,
sio_methods,
DRIVER_TYPE_TTY,
sizeof(struct com_s),
};
static d_open_t sioopen;
@ -343,20 +379,20 @@ static d_ioctl_t sioioctl;
static d_stop_t siostop;
static d_devtotty_t siodevtotty;
#define CDEV_MAJOR 28
static struct cdevsw sio_cdevsw = {
#define CDEV_MAJOR 28
static struct cdevsw sio_cdevsw = {
sioopen, sioclose, sioread, siowrite,
sioioctl, siostop, noreset, siodevtotty,
ttpoll, nommap, NULL, driver_name,
NULL, -1, nodump, nopsize,
D_TTY,
NULL, -1,
};
static int comconsole = -1;
int comconsole = -1;
static volatile speed_t comdefaultrate = CONSPEED;
static volatile speed_t gdbdefaultrate = CONSPEED;
static u_int com_events; /* input chars + weighted output completions */
static Port_t siocniobase;
static bool_t sio_registered;
static Port_t siogdbiobase;
static int sio_timeout;
static int sio_timeouts_until_log;
static struct callout_handle sio_timeout_handle
@ -565,20 +601,24 @@ card_intr(struct pccard_devinfo *devi)
}
#endif /* NCARD > 0 */
#define SET_FLAG(dev, bit) isa_set_flags(dev, isa_get_flags(dev) | (bit))
#define CLR_FLAG(dev, bit) isa_set_flags(dev, isa_get_flags(dev) & ~(bit))
static int
sioprobe(dev)
struct isa_device *dev;
device_t dev;
{
static bool_t already_init;
bool_t failures[10];
int fn;
struct isa_device *idev;
device_t idev;
Port_t iobase;
intrmask_t irqmap[4];
intrmask_t irqs;
u_char mcr_image;
int result;
struct isa_device *xdev;
device_t xdev;
u_int flags = isa_get_flags(dev);
if (!already_init) {
/*
@ -587,15 +627,22 @@ sioprobe(dev)
* from any used port that shares the interrupt vector.
* XXX the gate enable is elsewhere for some multiports.
*/
for (xdev = isa_devtab_tty; xdev->id_driver != NULL; xdev++)
if (xdev->id_driver == &siodriver && xdev->id_enabled)
outb(xdev->id_iobase + com_mcr, 0);
device_t *devs;
int count, i;
devclass_get_devices(sio_devclass, &devs, &count);
for (i = 0; i < count; i++) {
xdev = devs[i];
outb(isa_get_port(xdev) + com_mcr, 0);
}
free(devs, M_TEMP);
already_init = TRUE;
}
if (COM_LLCONSOLE(dev)) {
printf("sio%d: reserved for low-level i/o\n", dev->id_unit);
return (0);
if (COM_LLCONSOLE(flags)) {
printf("sio%d: reserved for low-level i/o\n",
device_get_unit(dev));
return (ENXIO);
}
/*
@ -609,27 +656,26 @@ sioprobe(dev)
idev = dev;
mcr_image = MCR_IENABLE;
#ifdef COM_MULTIPORT
if (COM_ISMULTIPORT(dev)) {
idev = find_isadev(isa_devtab_tty, &siodriver,
COM_MPMASTER(dev));
if (COM_ISMULTIPORT(flags)) {
idev = devclass_get_device(sio_devclass, COM_MPMASTER(flags));
if (idev == NULL) {
printf("sio%d: master device %d not configured\n",
dev->id_unit, COM_MPMASTER(dev));
dev->id_irq = 0;
device_get_unit(dev), COM_MPMASTER(flags));
isa_set_irq(dev, 0);
idev = dev;
}
if (!COM_NOTAST4(dev)) {
outb(idev->id_iobase + com_scr,
idev->id_irq ? 0x80 : 0);
if (!COM_NOTAST4(flags)) {
outb(isa_get_port(idev) + com_scr,
isa_get_irq(idev) >= 0 ? 0x80 : 0);
mcr_image = 0;
}
}
#endif /* COM_MULTIPORT */
if (idev->id_irq == 0)
if (isa_get_irq(idev) < 0)
mcr_image = 0;
bzero(failures, sizeof failures);
iobase = dev->id_iobase;
iobase = isa_get_port(dev);
/*
* We don't want to get actual interrupts, just masked ones.
@ -711,31 +757,32 @@ sioprobe(dev)
* It's a definitly Serial PCMCIA(16550A), but still be required
* for IIR_TXRDY implementation ( Palido 321s, DC-1S... )
*/
if ( COM_NOPROBE(dev) ) {
if ( COM_NOPROBE(flags) ) {
/* Reading IIR register twice */
for ( fn = 0; fn < 2; fn ++ ) {
DELAY(10000);
failures[6] = inb(iobase + com_iir);
}
/* Check IIR_TXRDY clear ? */
result = IO_COMSIZE;
isa_set_portsize(dev, IO_COMSIZE);
result = 0;
if ( failures[6] & IIR_TXRDY ) {
/* Nop, Double check with clearing IER */
outb(iobase + com_ier, 0);
if ( inb(iobase + com_iir) & IIR_NOPEND ) {
/* Ok. we're familia this gang */
dev->id_flags |= COM_C_IIR_TXRDYBUG; /* Set IIR_TXRDYBUG */
SET_FLAG(dev, COM_C_IIR_TXRDYBUG); /* Set IIR_TXRDYBUG */
} else {
/* Unknow, Just omit this chip.. XXX*/
result = 0;
result = ENXIO;
}
} else {
/* OK. this is well-known guys */
dev->id_flags &= ~COM_C_IIR_TXRDYBUG; /*Clear IIR_TXRDYBUG*/
CLR_FLAG(dev, COM_C_IIR_TXRDYBUG); /*Clear IIR_TXRDYBUG*/
}
outb(iobase + com_cfcr, CFCR_8BITS);
enable_intr();
return (iobase == siocniobase ? IO_COMSIZE : result);
return (iobase == siocniobase ? 0 : result);
}
/*
@ -776,22 +823,24 @@ sioprobe(dev)
enable_intr();
irqs = irqmap[1] & ~irqmap[0];
if (idev->id_irq != 0 && (idev->id_irq & irqs) == 0)
if (isa_get_irq(idev) >= 0 && ((1 << isa_get_irq(idev)) & irqs) == 0)
printf(
"sio%d: configured irq %d not in bitmap of probed irqs %#x\n",
dev->id_unit, ffs(idev->id_irq) - 1, irqs);
device_get_unit(dev), isa_get_irq(idev), irqs);
if (bootverbose)
printf("sio%d: irq maps: %#x %#x %#x %#x\n",
dev->id_unit, irqmap[0], irqmap[1], irqmap[2], irqmap[3]);
device_get_unit(dev),
irqmap[0], irqmap[1], irqmap[2], irqmap[3]);
result = IO_COMSIZE;
isa_set_portsize(dev, IO_COMSIZE);
result = 0;
for (fn = 0; fn < sizeof failures; ++fn)
if (failures[fn]) {
outb(iobase + com_mcr, 0);
result = 0;
result = ENXIO;
if (bootverbose) {
printf("sio%d: probe failed test(s):",
dev->id_unit);
device_get_unit(dev));
for (fn = 0; fn < sizeof failures; ++fn)
if (failures[fn])
printf(" %d", fn);
@ -799,7 +848,7 @@ sioprobe(dev)
}
break;
}
return (iobase == siocniobase ? IO_COMSIZE : result);
return (iobase == siocniobase ? 0 : result);
}
#ifdef COM_ESP
@ -869,24 +918,25 @@ espattach(isdp, com, esp_port)
#endif /* COM_ESP */
static int
sioattach(isdp)
struct isa_device *isdp;
sioattach(dev)
device_t dev;
{
struct com_s *com;
dev_t dev;
#ifdef COM_ESP
Port_t *espp;
#endif
Port_t iobase;
int s;
int unit;
void *ih;
u_int flags = isa_get_flags(dev);
#if 0
isdp->id_ri_flags |= RI_FAST;
iobase = isdp->id_iobase;
unit = isdp->id_unit;
com = malloc(sizeof *com, M_TTYS, M_NOWAIT);
if (com == NULL)
return (0);
#endif
iobase = isa_get_port(dev);
unit = device_get_unit(dev);
com = device_get_softc(dev);
/*
* sioprobe() has initialized the device registers as follows:
@ -904,8 +954,8 @@ sioattach(isdp)
com->unit = unit;
com->cfcr_image = CFCR_8BITS;
com->dtr_wait = 3 * hz;
com->loses_outints = COM_LOSESOUTINTS(isdp) != 0;
com->no_irq = isdp->id_irq == 0;
com->loses_outints = COM_LOSESOUTINTS(flags) != 0;
com->no_irq = isa_get_irq(dev) < 0;
com->tx_fifo_size = 1;
com->iptr = com->ibuf = com->ibuf1;
com->ibufend = com->ibuf1 + RS_IBUFSIZE;
@ -957,9 +1007,9 @@ sioattach(isdp)
#endif /* DSI_SOFT_MODEM */
#ifdef COM_MULTIPORT
if (!COM_ISMULTIPORT(isdp) && !COM_IIR_TXRDYBUG(isdp))
if (!COM_ISMULTIPORT(flags) && !COM_IIR_TXRDYBUG(flags))
#else
if (!COM_IIR_TXRDYBUG(isdp))
if (!COM_IIR_TXRDYBUG(flags))
#endif
{
u_char scr;
@ -991,22 +1041,22 @@ sioattach(isdp)
printf(" 16550?");
break;
case FIFO_RX_HIGH:
if (COM_NOFIFO(isdp)) {
if (COM_NOFIFO(flags)) {
printf(" 16550A fifo disabled");
} else {
com->hasfifo = TRUE;
if (COM_ST16650A(isdp)) {
if (COM_ST16650A(flags)) {
com->st16650a = 1;
com->tx_fifo_size = 32;
printf(" ST16650A");
} else {
com->tx_fifo_size = COM_FIFOSIZE(isdp);
com->tx_fifo_size = COM_FIFOSIZE(flags);
printf(" 16550A");
}
}
#ifdef COM_ESP
for (espp = likely_esp_ports; *espp != 0; espp++)
if (espattach(isdp, com, *espp)) {
if (espattach(dev, com, *espp)) {
com->tx_fifo_size = 1024;
break;
}
@ -1051,54 +1101,54 @@ sioattach(isdp)
determined_type: ;
#ifdef COM_MULTIPORT
if (COM_ISMULTIPORT(isdp)) {
if (COM_ISMULTIPORT(flags)) {
com->multiport = TRUE;
printf(" (multiport");
if (unit == COM_MPMASTER(isdp))
if (unit == COM_MPMASTER(flags))
printf(" master");
printf(")");
com->no_irq = find_isadev(isa_devtab_tty, &siodriver,
COM_MPMASTER(isdp))->id_irq == 0;
com->no_irq =
isa_get_irq(devclass_get_device
(sio_devclass, COM_MPMASTER(flags))) < 0;
}
#endif /* COM_MULTIPORT */
if (unit == comconsole)
printf(", console");
if ( COM_IIR_TXRDYBUG(isdp) )
if ( COM_IIR_TXRDYBUG(flags) )
printf(" with a bogus IIR_TXRDY register");
printf("\n");
s = spltty();
com_addr(unit) = com;
splx(s);
if (!sio_registered) {
dev = makedev(CDEV_MAJOR, 0);
cdevsw_add(&dev, &sio_cdevsw, NULL);
register_swi(SWI_TTY, siopoll);
sio_registered = TRUE;
}
#ifdef DEVFS
com->devfs_token_ttyd = devfs_add_devswf(&sio_cdevsw,
unit, DV_CHR,
UID_ROOT, GID_WHEEL, 0600, "ttyd%r", unit);
UID_ROOT, GID_WHEEL, 0600, "ttyd%n", unit);
com->devfs_token_ttyi = devfs_add_devswf(&sio_cdevsw,
unit | CONTROL_INIT_STATE, DV_CHR,
UID_ROOT, GID_WHEEL, 0600, "ttyid%r", unit);
UID_ROOT, GID_WHEEL, 0600, "ttyid%n", unit);
com->devfs_token_ttyl = devfs_add_devswf(&sio_cdevsw,
unit | CONTROL_LOCK_STATE, DV_CHR,
UID_ROOT, GID_WHEEL, 0600, "ttyld%r", unit);
UID_ROOT, GID_WHEEL, 0600, "ttyld%n", unit);
com->devfs_token_cuaa = devfs_add_devswf(&sio_cdevsw,
unit | CALLOUT_MASK, DV_CHR,
UID_UUCP, GID_DIALER, 0660, "cuaa%r", unit);
UID_UUCP, GID_DIALER, 0660, "cuaa%n", unit);
com->devfs_token_cuai = devfs_add_devswf(&sio_cdevsw,
unit | CALLOUT_MASK | CONTROL_INIT_STATE, DV_CHR,
UID_UUCP, GID_DIALER, 0660, "cuaia%r", unit);
UID_UUCP, GID_DIALER, 0660, "cuaia%n", unit);
com->devfs_token_cual = devfs_add_devswf(&sio_cdevsw,
unit | CALLOUT_MASK | CONTROL_LOCK_STATE, DV_CHR,
UID_UUCP, GID_DIALER, 0660, "cuala%r", unit);
UID_UUCP, GID_DIALER, 0660, "cuala%n", unit);
#endif
com->id_flags = isdp->id_flags; /* Heritate id_flags for later */
return (1);
com->flags = isa_get_flags(dev); /* Heritate id_flags for later */
ih = BUS_CREATE_INTR(device_get_parent(dev), dev,
isa_get_irq(dev),
siointr, com);
if (!ih)
return ENXIO;
BUS_CONNECT_INTR(device_get_parent(dev), ih);
return (0);
}
static int
@ -1183,9 +1233,6 @@ sioopen(dev, flag, mode, p)
tp->t_dev = dev;
tp->t_termios = mynor & CALLOUT_MASK
? com->it_out : com->it_in;
tp->t_ififosize = 2 * RS_IBUFSIZE;
tp->t_ispeedwat = (speed_t)-1;
tp->t_ospeedwat = (speed_t)-1;
(void)commctl(com, TIOCM_DTR | TIOCM_RTS, DMSET);
com->poll = com->no_irq;
com->poll_output = com->loses_outints;
@ -1197,6 +1244,7 @@ sioopen(dev, flag, mode, p)
/*
* XXX we should goto open_top if comparam() slept.
*/
ttsetwater(tp);
iobase = com->iobase;
if (com->hasfifo) {
/*
@ -1239,7 +1287,7 @@ sioopen(dev, flag, mode, p)
(void) inb(com->data_port);
com->prev_modem_status = com->last_modem_status
= inb(com->modem_status_port);
if (COM_IIR_TXRDYBUG(com)) {
if (COM_IIR_TXRDYBUG(com->flags)) {
outb(com->intr_ctl_port, IER_ERXRDY | IER_ERLS
| IER_EMSC);
} else {
@ -1317,10 +1365,8 @@ sioclose(dev, flag, mode, p)
if (com->gone) {
printf("sio%d: gone\n", com->unit);
s = spltty();
com_addr(com->unit) = 0;
bzero(tp,sizeof *tp);
bzero(com,sizeof *com);
free(com,M_TTYS);
splx(s);
}
return (0);
@ -1470,15 +1516,14 @@ siodtrwakeup(chan)
}
void
siointr(unit)
int unit;
siointr(arg)
void *arg;
{
#ifndef COM_MULTIPORT
COM_LOCK();
siointr1(com_addr(unit));
siointr1((struct com_s *) arg);
COM_UNLOCK();
#else /* COM_MULTIPORT */
struct com_s *com;
bool_t possibly_more_intrs;
/*
@ -1651,7 +1696,7 @@ if (com->iptr - com->ibuf == 8)
++com->bytes_out;
}
com->obufq.l_head = ioptr;
if (COM_IIR_TXRDYBUG(com)) {
if (COM_IIR_TXRDYBUG(com->flags)) {
int_ctl_new = int_ctl | IER_ETXRDY;
}
if (ioptr >= com->obufq.l_tail) {
@ -1666,7 +1711,7 @@ if (com->iptr - com->ibuf == 8)
com->obufq.l_next = qp;
} else {
/* output just completed */
if ( COM_IIR_TXRDYBUG(com) ) {
if ( COM_IIR_TXRDYBUG(com->flags) ) {
int_ctl_new = int_ctl & ~IER_ETXRDY;
}
com->state &= ~CS_BUSY;
@ -1677,7 +1722,7 @@ if (com->iptr - com->ibuf == 8)
setsofttty(); /* handle at high level ASAP */
}
}
if ( COM_IIR_TXRDYBUG(com) && (int_ctl != int_ctl_new)) {
if ( COM_IIR_TXRDYBUG(com->flags) && (int_ctl != int_ctl_new)) {
outb(com->intr_ctl_port, int_ctl_new);
}
}
@ -1705,7 +1750,7 @@ sioioctl(dev, cmd, data, flag, p)
int s;
struct tty *tp;
#if defined(COMPAT_43) || defined(COMPAT_SUNOS)
int oldcmd;
u_long oldcmd;
struct termios term;
#endif
@ -1874,7 +1919,7 @@ sioioctl(dev, cmd, data, flag, p)
return (0);
}
static void
void
siopoll()
{
int unit;
@ -1978,7 +2023,7 @@ siopoll()
* call overhead).
*/
if (tp->t_state & TS_CAN_BYPASS_L_RINT) {
if (tp->t_rawq.c_cc + incc > tp->t_ihiwat
if (tp->t_rawq.c_cc + incc >= RB_I_HIGH_WATER
&& (com->state & CS_RTS_IFLOW
|| tp->t_iflag & IXOFF)
&& !(tp->t_state & TS_TBLOCK))
@ -2567,12 +2612,13 @@ struct siocnstate {
};
static speed_t siocngetspeed __P((Port_t, struct speedtab *));
static void siocnclose __P((struct siocnstate *sp));
static void siocnopen __P((struct siocnstate *sp));
static void siocntxwait __P((void));
static void siocnclose __P((struct siocnstate *sp, Port_t iobase));
static void siocnopen __P((struct siocnstate *sp, Port_t iobase, int speed));
static void siocntxwait __P((Port_t iobase));
static void
siocntxwait()
siocntxwait(iobase)
Port_t iobase;
{
int timo;
@ -2582,7 +2628,7 @@ siocntxwait()
* transmits.
*/
timo = 100000;
while ((inb(siocniobase + com_lsr) & (LSR_TSRE | LSR_TXRDY))
while ((inb(iobase + com_lsr) & (LSR_TSRE | LSR_TXRDY))
!= (LSR_TSRE | LSR_TXRDY) && --timo != 0)
;
}
@ -2624,23 +2670,23 @@ siocngetspeed(iobase, table)
}
static void
siocnopen(sp)
siocnopen(sp, iobase, speed)
struct siocnstate *sp;
Port_t iobase;
int speed;
{
int divisor;
u_char dlbh;
u_char dlbl;
Port_t iobase;
/*
* Save all the device control registers except the fifo register
* and set our default ones (cs8 -parenb speed=comdefaultrate).
* We can't save the fifo register since it is read-only.
*/
iobase = siocniobase;
sp->ier = inb(iobase + com_ier);
outb(iobase + com_ier, 0); /* spltty() doesn't stop siointr() */
siocntxwait();
siocntxwait(iobase);
sp->cfcr = inb(iobase + com_cfcr);
outb(iobase + com_cfcr, CFCR_DLAB | CFCR_8BITS);
sp->dlbl = inb(iobase + com_dlbl);
@ -2651,7 +2697,7 @@ siocnopen(sp)
* data input register. This also reduces the effects of the
* UMC8669F bug.
*/
divisor = ttspeedtab(comdefaultrate, comspeedtab);
divisor = ttspeedtab(speed, comspeedtab);
dlbl = divisor & 0xFF;
if (sp->dlbl != dlbl)
outb(iobase + com_dlbl, dlbl);
@ -2669,16 +2715,14 @@ siocnopen(sp)
}
static void
siocnclose(sp)
siocnclose(sp, iobase)
struct siocnstate *sp;
Port_t iobase;
{
Port_t iobase;
/*
* Restore the device control registers.
*/
siocntxwait();
iobase = siocniobase;
siocntxwait(iobase);
outb(iobase + com_cfcr, CFCR_DLAB | CFCR_8BITS);
if (sp->dlbl != inb(iobase + com_dlbl))
outb(iobase + com_dlbl, sp->dlbl);
@ -2696,6 +2740,7 @@ void
siocnprobe(cp)
struct consdev *cp;
{
#if 0
speed_t boot_speed;
u_char cfcr;
struct isa_device *dvp;
@ -2746,7 +2791,7 @@ siocnprobe(cp)
(u_int) COMBRD(comdefaultrate) >> 8);
outb(siocniobase + com_cfcr, cfcr);
siocnopen(&sp);
siocnopen(&sp, siocniobase, comdefaultrate);
splx(s);
if (!COM_LLCONSOLE(dvp)) {
cp->cn_dev = makedev(CDEV_MAJOR, dvp->id_unit);
@ -2756,6 +2801,89 @@ siocnprobe(cp)
}
break;
}
#endif
}
struct consdev siocons = {
NULL, NULL, siocngetc, siocncheckc, siocnputc,
NULL, makedev(CDEV_MAJOR, 0), CN_NORMAL,
};
extern struct consdev *cn_tab;
int
siocnattach(port, speed)
int port;
int speed;
{
int s;
u_char cfcr;
struct siocnstate sp;
siocniobase = port;
comdefaultrate = speed;
s = spltty();
/*
* Initialize the divisor latch. We can't rely on
* siocnopen() to do this the first time, since it
* avoids writing to the latch if the latch appears
* to have the correct value. Also, if we didn't
* just read the speed from the hardware, then we
* need to set the speed in hardware so that
* switching it later is null.
*/
cfcr = inb(siocniobase + com_cfcr);
outb(siocniobase + com_cfcr, CFCR_DLAB | cfcr);
outb(siocniobase + com_dlbl,
COMBRD(comdefaultrate) & 0xff);
outb(siocniobase + com_dlbh,
(u_int) COMBRD(comdefaultrate) >> 8);
outb(siocniobase + com_cfcr, cfcr);
siocnopen(&sp, siocniobase, comdefaultrate);
splx(s);
cn_tab = &siocons;
return 0;
}
int
siogdbattach(port, speed)
int port;
int speed;
{
int s;
u_char cfcr;
struct siocnstate sp;
siogdbiobase = port;
gdbdefaultrate = speed;
s = spltty();
/*
* Initialize the divisor latch. We can't rely on
* siocnopen() to do this the first time, since it
* avoids writing to the latch if the latch appears
* to have the correct value. Also, if we didn't
* just read the speed from the hardware, then we
* need to set the speed in hardware so that
* switching it later is null.
*/
cfcr = inb(siogdbiobase + com_cfcr);
outb(siogdbiobase + com_cfcr, CFCR_DLAB | cfcr);
outb(siogdbiobase + com_dlbl,
COMBRD(gdbdefaultrate) & 0xff);
outb(siogdbiobase + com_dlbh,
(u_int) COMBRD(gdbdefaultrate) >> 8);
outb(siogdbiobase + com_cfcr, cfcr);
siocnopen(&sp, siogdbiobase, gdbdefaultrate);
splx(s);
return 0;
}
void
@ -2776,12 +2904,12 @@ siocncheckc(dev)
iobase = siocniobase;
s = spltty();
siocnopen(&sp);
siocnopen(&sp, iobase, comdefaultrate);
if (inb(iobase + com_lsr) & LSR_RXRDY)
c = inb(iobase + com_data);
else
c = -1;
siocnclose(&sp);
siocnclose(&sp, iobase);
splx(s);
return (c);
}
@ -2798,11 +2926,11 @@ siocngetc(dev)
iobase = siocniobase;
s = spltty();
siocnopen(&sp);
siocnopen(&sp, iobase, comdefaultrate);
while (!(inb(iobase + com_lsr) & LSR_RXRDY))
;
c = inb(iobase + com_data);
siocnclose(&sp);
siocnclose(&sp, iobase);
splx(s);
return (c);
}
@ -2816,10 +2944,44 @@ siocnputc(dev, c)
struct siocnstate sp;
s = spltty();
siocnopen(&sp);
siocntxwait();
siocnopen(&sp, siocniobase, comdefaultrate);
siocntxwait(siocniobase);
outb(siocniobase + com_data, c);
siocnclose(&sp);
siocnclose(&sp, siocniobase);
splx(s);
}
int
siogdbgetc()
{
int c;
Port_t iobase;
int s;
struct siocnstate sp;
iobase = siogdbiobase;
s = spltty();
siocnopen(&sp, iobase, gdbdefaultrate);
while (!(inb(iobase + com_lsr) & LSR_RXRDY))
;
c = inb(iobase + com_data);
siocnclose(&sp, iobase);
splx(s);
return (c);
}
void
siogdbputc(c)
int c;
{
int s;
struct siocnstate sp;
s = spltty();
siocnopen(&sp, siogdbiobase, gdbdefaultrate);
siocntxwait(siogdbiobase);
outb(siogdbiobase + com_data, c);
siocnclose(&sp, siogdbiobase);
splx(s);
}
@ -2950,11 +3112,13 @@ LoadSoftModem(int unit, int base_io, u_long size, u_char *ptr)
#if NPNP > 0
static pnpid_t siopnp_ids[] = {
static struct siopnp_ids {
u_long vend_id;
char *id_str;
} siopnp_ids[] = {
{ 0x5015f435, "MOT1550"},
{ 0x8113b04e, "Supra1381"},
{ 0x9012b04e, "Supra1290"},
{ 0x7121b04e, "SupraExpress 56i Sp"},
{ 0x11007256, "USR0011"},
{ 0x30207256, "USR2030"},
{ 0 }
@ -2977,12 +3141,12 @@ DATA_SET (pnpdevice_set, siopnp);
static char *
siopnp_probe(u_long csn, u_long vend_id)
{
pnpid_t *id;
struct siopnp_ids *ids;
char *s = NULL;
for(id = siopnp_ids; id->vend_id != 0; id++) {
if (vend_id == id->vend_id) {
s = id->id_str;
for(ids = siopnp_ids; ids->vend_id != 0; ids++) {
if (vend_id == ids->vend_id) {
s = ids->id_str;
break;
}
}
@ -2991,7 +3155,7 @@ siopnp_probe(u_long csn, u_long vend_id)
struct pnp_cinfo d;
read_pnp_parms(&d, 0);
if (d.enable == 0 || d.flags & 1) {
printf("CSN %lu is disabled.\n", csn);
printf("CSN %d is disabled.\n", csn);
return (NULL);
}
@ -3037,3 +3201,6 @@ siopnp_attach(u_long csn, u_long vend_id, char *name, struct isa_device *dev)
printf("sio%d: probe failed\n", dev->id_unit);
}
#endif
CDEV_DRIVER_MODULE(sio, isa, sio_driver, sio_devclass,
CDEV_MAJOR, sio_cdevsw, 0, 0);

2
sys/dev/sio/sioreg.h
View File

@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* from: @(#)comreg.h 7.2 (Berkeley) 5/9/91
* $Id: sioreg.h,v 1.9 1997/06/04 04:52:40 pst Exp $
* $Id: sioreg.h,v 1.1 1998/09/24 02:07:28 jkh Exp $
*/

501
sys/isa/sio.c
View File

@ -31,16 +31,27 @@
* SUCH DAMAGE.
*
* from: @(#)com.c 7.5 (Berkeley) 5/16/91
* $Id: sio.c,v 1.214 1998/08/23 10:16:26 bde Exp $
* $Id: sio.c,v 1.1 1998/09/24 02:07:28 jkh Exp $
*/
#include "opt_comconsole.h"
#include "opt_compat.h"
#include "opt_ddb.h"
#include "opt_devfs.h"
#include "opt_sio.h"
/* #include "opt_sio.h" */
#include "sio.h"
#include "pnp.h"
/* #include "pnp.h" */
#define NPNP 0
#ifndef EXTRA_SIO
#if NPNP > 0
#define EXTRA_SIO 2
#else
#define EXTRA_SIO 0
#endif
#endif
#define NSIOTOT (NSIO + EXTRA_SIO)
/*
* Serial driver, based on 386BSD-0.1 com driver.
@ -57,29 +68,32 @@
#include <sys/malloc.h>
#include <sys/tty.h>
#include <sys/proc.h>
#include <sys/module.h>
#include <sys/conf.h>
#include <sys/dkstat.h>
#include <sys/fcntl.h>
#include <sys/interrupt.h>
#include <sys/kernel.h>
#include <sys/syslog.h>
#include <sys/sysctl.h>
#include <sys/bus.h>
#ifdef DEVFS
#include <sys/devfsext.h>
#endif
#include <machine/clock.h>
#include <machine/ipl.h>
#include <isa/isareg.h>
#include <isa/isavar.h>
#include <machine/lock.h>
#include <i386/isa/isa.h>
#include <i386/isa/isa_device.h>
#include <i386/isa/sioreg.h>
#include <i386/isa/intr_machdep.h>
#include <machine/clock.h>
#include <isa/sioreg.h>
#ifdef COM_ESP
#include <i386/isa/ic/esp.h>
#include <isa/ic/esp.h>
#endif
#include <i386/isa/ic/ns16550.h>
#include <isa/ic/ns16550.h>
#if 0
#include "card.h"
#if NCARD > 0
@ -91,22 +105,18 @@
#include <i386/isa/pnp.h>
#endif
#endif
#define disable_intr() 0
#define enable_intr() 0
#ifdef SMP
#define disable_intr() COM_DISABLE_INTR()
#define enable_intr() COM_ENABLE_INTR()
#endif /* SMP */
#ifndef EXTRA_SIO
#if NPNP > 0
#define EXTRA_SIO MAX_PNP_CARDS
#else
#define EXTRA_SIO 0
#endif
#endif
#define NSIOTOT (NSIO + EXTRA_SIO)
#define LOTS_OF_EVENTS 64 /* helps separate urgent events from input */
#define RB_I_HIGH_WATER (TTYHOG - 2 * RS_IBUFSIZE)
#define RS_IBUFSIZE 256
#define CALLOUT_MASK 0x80
@ -121,22 +131,22 @@
/* checks in flags for multiport and which is multiport "master chip"
* for a given card
*/
#define COM_ISMULTIPORT(dev) ((dev)->id_flags & 0x01)
#define COM_MPMASTER(dev) (((dev)->id_flags >> 8) & 0x0ff)
#define COM_NOTAST4(dev) ((dev)->id_flags & 0x04)
#define COM_ISMULTIPORT(flags) ((flags) & 0x01)
#define COM_MPMASTER(flags) (((flags) >> 8) & 0x0ff)
#define COM_NOTAST4(flags) ((flags) & 0x04)
#endif /* COM_MULTIPORT */
#define COM_CONSOLE(dev) ((dev)->id_flags & 0x10)
#define COM_FORCECONSOLE(dev) ((dev)->id_flags & 0x20)
#define COM_LLCONSOLE(dev) ((dev)->id_flags & 0x40)
#define COM_LOSESOUTINTS(dev) ((dev)->id_flags & 0x08)
#define COM_NOFIFO(dev) ((dev)->id_flags & 0x02)
#define COM_ST16650A(dev) ((dev)->id_flags & 0x20000)
#define COM_C_NOPROBE (0x40000)
#define COM_NOPROBE(dev) ((dev)->id_flags & COM_C_NOPROBE)
#define COM_C_IIR_TXRDYBUG (0x80000)
#define COM_IIR_TXRDYBUG(dev) ((dev)->id_flags & COM_C_IIR_TXRDYBUG)
#define COM_FIFOSIZE(dev) (((dev)->id_flags & 0xff000000) >> 24)
#define COM_CONSOLE(flags) ((flags) & 0x10)
#define COM_FORCECONSOLE(flags) ((flags) & 0x20)
#define COM_LLCONSOLE(flags) ((flags) & 0x40)
#define COM_LOSESOUTINTS(flags) ((flags) & 0x08)
#define COM_NOFIFO(flags) ((flags) & 0x02)
#define COM_ST16650A(flags) ((flags) & 0x20000)
#define COM_C_NOPROBE (0x40000)
#define COM_NOPROBE(flags) ((flags) & COM_C_NOPROBE)
#define COM_C_IIR_TXRDYBUG (0x80000)
#define COM_IIR_TXRDYBUG(flags) ((flags) & COM_C_IIR_TXRDYBUG)
#define COM_FIFOSIZE(flags) (((flags) & 0xff000000) >> 24)
#define com_scr 7 /* scratch register for 16450-16550 (R/W) */
@ -204,7 +214,7 @@ struct lbq {
/* com device structure */
struct com_s {
u_int id_flags; /* Copy isa device falgas */
u_int flags; /* Copy isa device flags */
u_char state; /* miscellaneous flag bits */
bool_t active_out; /* nonzero if the callout device is open */
u_char cfcr_image; /* copy of value written to CFCR */
@ -302,19 +312,33 @@ struct com_s {
#endif
};
/*
* XXX public functions in drivers should be declared in headers produced
* by `config', not here.
*/
/* Interrupt handling entry point. */
void siopoll __P((void));
/* Device switch entry points. */
#define sioreset noreset
#define siommap nommap
#define siostrategy nostrategy
#ifdef COM_ESP
static int espattach __P((struct isa_device *isdp, struct com_s *com,
Port_t esp_port));
#endif
static int sioattach __P((struct isa_device *dev));
static int sioattach __P((device_t dev));
static timeout_t siobusycheck;
static timeout_t siodtrwakeup;
static void comhardclose __P((struct com_s *com));
static void siointr1 __P((struct com_s *com));
static void siointr __P((void *arg));
static int commctl __P((struct com_s *com, int bits, int how));
static int comparam __P((struct tty *tp, struct termios *t));
static swihand_t siopoll;
static int sioprobe __P((struct isa_device *dev));
static int sioprobe __P((device_t dev));
static void siosettimeout __P((void));
static void comstart __P((struct tty *tp));
static timeout_t comwakeup;
@ -328,11 +352,23 @@ static int LoadSoftModem __P((int unit,int base_io, u_long size, u_char *ptr
static char driver_name[] = "sio";
/* table and macro for fast conversion from a unit number to its com struct */
static struct com_s *p_com_addr[NSIOTOT];
#define com_addr(unit) (p_com_addr[unit])
static devclass_t sio_devclass;
#define com_addr(unit) ((struct com_s *) \
devclass_get_softc(sio_devclass, unit))
struct isa_driver siodriver = {
sioprobe, sioattach, driver_name
static device_method_t sio_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, sioprobe),
DEVMETHOD(device_attach, sioattach),
{ 0, 0 }
};
static driver_t sio_driver = {
driver_name,
sio_methods,
DRIVER_TYPE_TTY,
sizeof(struct com_s),
};
static d_open_t sioopen;
@ -343,20 +379,20 @@ static d_ioctl_t sioioctl;
static d_stop_t siostop;
static d_devtotty_t siodevtotty;
#define CDEV_MAJOR 28
static struct cdevsw sio_cdevsw = {
#define CDEV_MAJOR 28
static struct cdevsw sio_cdevsw = {
sioopen, sioclose, sioread, siowrite,
sioioctl, siostop, noreset, siodevtotty,
ttpoll, nommap, NULL, driver_name,
NULL, -1, nodump, nopsize,
D_TTY,
NULL, -1,
};
static int comconsole = -1;
int comconsole = -1;
static volatile speed_t comdefaultrate = CONSPEED;
static volatile speed_t gdbdefaultrate = CONSPEED;
static u_int com_events; /* input chars + weighted output completions */
static Port_t siocniobase;
static bool_t sio_registered;
static Port_t siogdbiobase;
static int sio_timeout;
static int sio_timeouts_until_log;
static struct callout_handle sio_timeout_handle
@ -565,20 +601,24 @@ card_intr(struct pccard_devinfo *devi)
}
#endif /* NCARD > 0 */
#define SET_FLAG(dev, bit) isa_set_flags(dev, isa_get_flags(dev) | (bit))
#define CLR_FLAG(dev, bit) isa_set_flags(dev, isa_get_flags(dev) & ~(bit))
static int
sioprobe(dev)
struct isa_device *dev;
device_t dev;
{
static bool_t already_init;
bool_t failures[10];
int fn;
struct isa_device *idev;
device_t idev;
Port_t iobase;
intrmask_t irqmap[4];
intrmask_t irqs;
u_char mcr_image;
int result;
struct isa_device *xdev;
device_t xdev;
u_int flags = isa_get_flags(dev);
if (!already_init) {
/*
@ -587,15 +627,22 @@ sioprobe(dev)
* from any used port that shares the interrupt vector.
* XXX the gate enable is elsewhere for some multiports.
*/
for (xdev = isa_devtab_tty; xdev->id_driver != NULL; xdev++)
if (xdev->id_driver == &siodriver && xdev->id_enabled)
outb(xdev->id_iobase + com_mcr, 0);
device_t *devs;
int count, i;
devclass_get_devices(sio_devclass, &devs, &count);
for (i = 0; i < count; i++) {
xdev = devs[i];
outb(isa_get_port(xdev) + com_mcr, 0);
}
free(devs, M_TEMP);
already_init = TRUE;
}
if (COM_LLCONSOLE(dev)) {
printf("sio%d: reserved for low-level i/o\n", dev->id_unit);
return (0);
if (COM_LLCONSOLE(flags)) {
printf("sio%d: reserved for low-level i/o\n",
device_get_unit(dev));
return (ENXIO);
}
/*
@ -609,27 +656,26 @@ sioprobe(dev)
idev = dev;
mcr_image = MCR_IENABLE;
#ifdef COM_MULTIPORT
if (COM_ISMULTIPORT(dev)) {
idev = find_isadev(isa_devtab_tty, &siodriver,
COM_MPMASTER(dev));
if (COM_ISMULTIPORT(flags)) {
idev = devclass_get_device(sio_devclass, COM_MPMASTER(flags));
if (idev == NULL) {
printf("sio%d: master device %d not configured\n",
dev->id_unit, COM_MPMASTER(dev));
dev->id_irq = 0;
device_get_unit(dev), COM_MPMASTER(flags));
isa_set_irq(dev, 0);
idev = dev;
}
if (!COM_NOTAST4(dev)) {
outb(idev->id_iobase + com_scr,
idev->id_irq ? 0x80 : 0);
if (!COM_NOTAST4(flags)) {
outb(isa_get_port(idev) + com_scr,
isa_get_irq(idev) >= 0 ? 0x80 : 0);
mcr_image = 0;
}
}
#endif /* COM_MULTIPORT */
if (idev->id_irq == 0)
if (isa_get_irq(idev) < 0)
mcr_image = 0;
bzero(failures, sizeof failures);
iobase = dev->id_iobase;
iobase = isa_get_port(dev);
/*
* We don't want to get actual interrupts, just masked ones.
@ -711,31 +757,32 @@ sioprobe(dev)
* It's a definitly Serial PCMCIA(16550A), but still be required
* for IIR_TXRDY implementation ( Palido 321s, DC-1S... )
*/
if ( COM_NOPROBE(dev) ) {
if ( COM_NOPROBE(flags) ) {
/* Reading IIR register twice */
for ( fn = 0; fn < 2; fn ++ ) {
DELAY(10000);
failures[6] = inb(iobase + com_iir);
}
/* Check IIR_TXRDY clear ? */
result = IO_COMSIZE;
isa_set_portsize(dev, IO_COMSIZE);
result = 0;
if ( failures[6] & IIR_TXRDY ) {
/* Nop, Double check with clearing IER */
outb(iobase + com_ier, 0);
if ( inb(iobase + com_iir) & IIR_NOPEND ) {
/* Ok. we're familia this gang */
dev->id_flags |= COM_C_IIR_TXRDYBUG; /* Set IIR_TXRDYBUG */
SET_FLAG(dev, COM_C_IIR_TXRDYBUG); /* Set IIR_TXRDYBUG */
} else {
/* Unknow, Just omit this chip.. XXX*/
result = 0;
result = ENXIO;
}
} else {
/* OK. this is well-known guys */
dev->id_flags &= ~COM_C_IIR_TXRDYBUG; /*Clear IIR_TXRDYBUG*/
CLR_FLAG(dev, COM_C_IIR_TXRDYBUG); /*Clear IIR_TXRDYBUG*/
}
outb(iobase + com_cfcr, CFCR_8BITS);
enable_intr();
return (iobase == siocniobase ? IO_COMSIZE : result);
return (iobase == siocniobase ? 0 : result);
}
/*
@ -776,22 +823,24 @@ sioprobe(dev)
enable_intr();
irqs = irqmap[1] & ~irqmap[0];
if (idev->id_irq != 0 && (idev->id_irq & irqs) == 0)
if (isa_get_irq(idev) >= 0 && ((1 << isa_get_irq(idev)) & irqs) == 0)
printf(
"sio%d: configured irq %d not in bitmap of probed irqs %#x\n",
dev->id_unit, ffs(idev->id_irq) - 1, irqs);
device_get_unit(dev), isa_get_irq(idev), irqs);
if (bootverbose)
printf("sio%d: irq maps: %#x %#x %#x %#x\n",
dev->id_unit, irqmap[0], irqmap[1], irqmap[2], irqmap[3]);
device_get_unit(dev),
irqmap[0], irqmap[1], irqmap[2], irqmap[3]);
result = IO_COMSIZE;
isa_set_portsize(dev, IO_COMSIZE);
result = 0;
for (fn = 0; fn < sizeof failures; ++fn)
if (failures[fn]) {
outb(iobase + com_mcr, 0);
result = 0;
result = ENXIO;
if (bootverbose) {
printf("sio%d: probe failed test(s):",
dev->id_unit);
device_get_unit(dev));
for (fn = 0; fn < sizeof failures; ++fn)
if (failures[fn])
printf(" %d", fn);
@ -799,7 +848,7 @@ sioprobe(dev)
}
break;
}
return (iobase == siocniobase ? IO_COMSIZE : result);
return (iobase == siocniobase ? 0 : result);
}
#ifdef COM_ESP
@ -869,24 +918,25 @@ espattach(isdp, com, esp_port)
#endif /* COM_ESP */
static int
sioattach(isdp)
struct isa_device *isdp;
sioattach(dev)
device_t dev;
{
struct com_s *com;
dev_t dev;
#ifdef COM_ESP
Port_t *espp;
#endif
Port_t iobase;
int s;
int unit;
void *ih;
u_int flags = isa_get_flags(dev);
#if 0
isdp->id_ri_flags |= RI_FAST;
iobase = isdp->id_iobase;
unit = isdp->id_unit;
com = malloc(sizeof *com, M_TTYS, M_NOWAIT);
if (com == NULL)
return (0);
#endif
iobase = isa_get_port(dev);
unit = device_get_unit(dev);
com = device_get_softc(dev);
/*
* sioprobe() has initialized the device registers as follows:
@ -904,8 +954,8 @@ sioattach(isdp)
com->unit = unit;
com->cfcr_image = CFCR_8BITS;
com->dtr_wait = 3 * hz;
com->loses_outints = COM_LOSESOUTINTS(isdp) != 0;
com->no_irq = isdp->id_irq == 0;
com->loses_outints = COM_LOSESOUTINTS(flags) != 0;
com->no_irq = isa_get_irq(dev) < 0;
com->tx_fifo_size = 1;
com->iptr = com->ibuf = com->ibuf1;
com->ibufend = com->ibuf1 + RS_IBUFSIZE;
@ -957,9 +1007,9 @@ sioattach(isdp)
#endif /* DSI_SOFT_MODEM */
#ifdef COM_MULTIPORT
if (!COM_ISMULTIPORT(isdp) && !COM_IIR_TXRDYBUG(isdp))
if (!COM_ISMULTIPORT(flags) && !COM_IIR_TXRDYBUG(flags))
#else
if (!COM_IIR_TXRDYBUG(isdp))
if (!COM_IIR_TXRDYBUG(flags))
#endif
{
u_char scr;
@ -991,22 +1041,22 @@ sioattach(isdp)
printf(" 16550?");
break;
case FIFO_RX_HIGH:
if (COM_NOFIFO(isdp)) {
if (COM_NOFIFO(flags)) {
printf(" 16550A fifo disabled");
} else {
com->hasfifo = TRUE;
if (COM_ST16650A(isdp)) {
if (COM_ST16650A(flags)) {
com->st16650a = 1;
com->tx_fifo_size = 32;
printf(" ST16650A");
} else {
com->tx_fifo_size = COM_FIFOSIZE(isdp);
com->tx_fifo_size = COM_FIFOSIZE(flags);
printf(" 16550A");
}
}
#ifdef COM_ESP
for (espp = likely_esp_ports; *espp != 0; espp++)
if (espattach(isdp, com, *espp)) {
if (espattach(dev, com, *espp)) {
com->tx_fifo_size = 1024;
break;
}
@ -1051,54 +1101,54 @@ sioattach(isdp)
determined_type: ;
#ifdef COM_MULTIPORT
if (COM_ISMULTIPORT(isdp)) {
if (COM_ISMULTIPORT(flags)) {
com->multiport = TRUE;
printf(" (multiport");
if (unit == COM_MPMASTER(isdp))
if (unit == COM_MPMASTER(flags))
printf(" master");
printf(")");
com->no_irq = find_isadev(isa_devtab_tty, &siodriver,
COM_MPMASTER(isdp))->id_irq == 0;
com->no_irq =
isa_get_irq(devclass_get_device
(sio_devclass, COM_MPMASTER(flags))) < 0;
}
#endif /* COM_MULTIPORT */
if (unit == comconsole)
printf(", console");
if ( COM_IIR_TXRDYBUG(isdp) )
if ( COM_IIR_TXRDYBUG(flags) )
printf(" with a bogus IIR_TXRDY register");
printf("\n");
s = spltty();
com_addr(unit) = com;
splx(s);
if (!sio_registered) {
dev = makedev(CDEV_MAJOR, 0);
cdevsw_add(&dev, &sio_cdevsw, NULL);
register_swi(SWI_TTY, siopoll);
sio_registered = TRUE;
}
#ifdef DEVFS
com->devfs_token_ttyd = devfs_add_devswf(&sio_cdevsw,
unit, DV_CHR,
UID_ROOT, GID_WHEEL, 0600, "ttyd%r", unit);
UID_ROOT, GID_WHEEL, 0600, "ttyd%n", unit);
com->devfs_token_ttyi = devfs_add_devswf(&sio_cdevsw,
unit | CONTROL_INIT_STATE, DV_CHR,
UID_ROOT, GID_WHEEL, 0600, "ttyid%r", unit);
UID_ROOT, GID_WHEEL, 0600, "ttyid%n", unit);
com->devfs_token_ttyl = devfs_add_devswf(&sio_cdevsw,
unit | CONTROL_LOCK_STATE, DV_CHR,
UID_ROOT, GID_WHEEL, 0600, "ttyld%r", unit);
UID_ROOT, GID_WHEEL, 0600, "ttyld%n", unit);
com->devfs_token_cuaa = devfs_add_devswf(&sio_cdevsw,
unit | CALLOUT_MASK, DV_CHR,
UID_UUCP, GID_DIALER, 0660, "cuaa%r", unit);
UID_UUCP, GID_DIALER, 0660, "cuaa%n", unit);
com->devfs_token_cuai = devfs_add_devswf(&sio_cdevsw,
unit | CALLOUT_MASK | CONTROL_INIT_STATE, DV_CHR,
UID_UUCP, GID_DIALER, 0660, "cuaia%r", unit);
UID_UUCP, GID_DIALER, 0660, "cuaia%n", unit);
com->devfs_token_cual = devfs_add_devswf(&sio_cdevsw,
unit | CALLOUT_MASK | CONTROL_LOCK_STATE, DV_CHR,
UID_UUCP, GID_DIALER, 0660, "cuala%r", unit);
UID_UUCP, GID_DIALER, 0660, "cuala%n", unit);
#endif
com->id_flags = isdp->id_flags; /* Heritate id_flags for later */
return (1);
com->flags = isa_get_flags(dev); /* Heritate id_flags for later */
ih = BUS_CREATE_INTR(device_get_parent(dev), dev,
isa_get_irq(dev),
siointr, com);
if (!ih)
return ENXIO;
BUS_CONNECT_INTR(device_get_parent(dev), ih);
return (0);
}
static int
@ -1183,9 +1233,6 @@ sioopen(dev, flag, mode, p)
tp->t_dev = dev;
tp->t_termios = mynor & CALLOUT_MASK
? com->it_out : com->it_in;
tp->t_ififosize = 2 * RS_IBUFSIZE;
tp->t_ispeedwat = (speed_t)-1;
tp->t_ospeedwat = (speed_t)-1;
(void)commctl(com, TIOCM_DTR | TIOCM_RTS, DMSET);
com->poll = com->no_irq;
com->poll_output = com->loses_outints;
@ -1197,6 +1244,7 @@ sioopen(dev, flag, mode, p)
/*
* XXX we should goto open_top if comparam() slept.
*/
ttsetwater(tp);
iobase = com->iobase;
if (com->hasfifo) {
/*
@ -1239,7 +1287,7 @@ sioopen(dev, flag, mode, p)
(void) inb(com->data_port);
com->prev_modem_status = com->last_modem_status
= inb(com->modem_status_port);
if (COM_IIR_TXRDYBUG(com)) {
if (COM_IIR_TXRDYBUG(com->flags)) {
outb(com->intr_ctl_port, IER_ERXRDY | IER_ERLS
| IER_EMSC);
} else {
@ -1317,10 +1365,8 @@ sioclose(dev, flag, mode, p)
if (com->gone) {
printf("sio%d: gone\n", com->unit);
s = spltty();
com_addr(com->unit) = 0;
bzero(tp,sizeof *tp);
bzero(com,sizeof *com);
free(com,M_TTYS);
splx(s);
}
return (0);
@ -1470,15 +1516,14 @@ siodtrwakeup(chan)
}
void
siointr(unit)
int unit;
siointr(arg)
void *arg;
{
#ifndef COM_MULTIPORT
COM_LOCK();
siointr1(com_addr(unit));
siointr1((struct com_s *) arg);
COM_UNLOCK();
#else /* COM_MULTIPORT */
struct com_s *com;
bool_t possibly_more_intrs;
/*
@ -1651,7 +1696,7 @@ if (com->iptr - com->ibuf == 8)
++com->bytes_out;
}
com->obufq.l_head = ioptr;
if (COM_IIR_TXRDYBUG(com)) {
if (COM_IIR_TXRDYBUG(com->flags)) {
int_ctl_new = int_ctl | IER_ETXRDY;
}
if (ioptr >= com->obufq.l_tail) {
@ -1666,7 +1711,7 @@ if (com->iptr - com->ibuf == 8)
com->obufq.l_next = qp;
} else {
/* output just completed */
if ( COM_IIR_TXRDYBUG(com) ) {
if ( COM_IIR_TXRDYBUG(com->flags) ) {
int_ctl_new = int_ctl & ~IER_ETXRDY;
}
com->state &= ~CS_BUSY;
@ -1677,7 +1722,7 @@ if (com->iptr - com->ibuf == 8)
setsofttty(); /* handle at high level ASAP */
}
}
if ( COM_IIR_TXRDYBUG(com) && (int_ctl != int_ctl_new)) {
if ( COM_IIR_TXRDYBUG(com->flags) && (int_ctl != int_ctl_new)) {
outb(com->intr_ctl_port, int_ctl_new);
}
}
@ -1705,7 +1750,7 @@ sioioctl(dev, cmd, data, flag, p)
int s;
struct tty *tp;
#if defined(COMPAT_43) || defined(COMPAT_SUNOS)
int oldcmd;
u_long oldcmd;
struct termios term;
#endif
@ -1874,7 +1919,7 @@ sioioctl(dev, cmd, data, flag, p)
return (0);
}
static void
void
siopoll()
{
int unit;
@ -1978,7 +2023,7 @@ siopoll()
* call overhead).
*/
if (tp->t_state & TS_CAN_BYPASS_L_RINT) {
if (tp->t_rawq.c_cc + incc > tp->t_ihiwat
if (tp->t_rawq.c_cc + incc >= RB_I_HIGH_WATER
&& (com->state & CS_RTS_IFLOW
|| tp->t_iflag & IXOFF)
&& !(tp->t_state & TS_TBLOCK))
@ -2567,12 +2612,13 @@ struct siocnstate {
};
static speed_t siocngetspeed __P((Port_t, struct speedtab *));
static void siocnclose __P((struct siocnstate *sp));
static void siocnopen __P((struct siocnstate *sp));
static void siocntxwait __P((void));
static void siocnclose __P((struct siocnstate *sp, Port_t iobase));
static void siocnopen __P((struct siocnstate *sp, Port_t iobase, int speed));
static void siocntxwait __P((Port_t iobase));
static void
siocntxwait()
siocntxwait(iobase)
Port_t iobase;
{
int timo;
@ -2582,7 +2628,7 @@ siocntxwait()
* transmits.
*/
timo = 100000;
while ((inb(siocniobase + com_lsr) & (LSR_TSRE | LSR_TXRDY))
while ((inb(iobase + com_lsr) & (LSR_TSRE | LSR_TXRDY))
!= (LSR_TSRE | LSR_TXRDY) && --timo != 0)
;
}
@ -2624,23 +2670,23 @@ siocngetspeed(iobase, table)
}
static void
siocnopen(sp)
siocnopen(sp, iobase, speed)
struct siocnstate *sp;
Port_t iobase;
int speed;
{
int divisor;
u_char dlbh;
u_char dlbl;
Port_t iobase;
/*
* Save all the device control registers except the fifo register
* and set our default ones (cs8 -parenb speed=comdefaultrate).
* We can't save the fifo register since it is read-only.
*/
iobase = siocniobase;
sp->ier = inb(iobase + com_ier);
outb(iobase + com_ier, 0); /* spltty() doesn't stop siointr() */
siocntxwait();
siocntxwait(iobase);
sp->cfcr = inb(iobase + com_cfcr);
outb(iobase + com_cfcr, CFCR_DLAB | CFCR_8BITS);
sp->dlbl = inb(iobase + com_dlbl);
@ -2651,7 +2697,7 @@ siocnopen(sp)
* data input register. This also reduces the effects of the
* UMC8669F bug.
*/
divisor = ttspeedtab(comdefaultrate, comspeedtab);
divisor = ttspeedtab(speed, comspeedtab);
dlbl = divisor & 0xFF;
if (sp->dlbl != dlbl)
outb(iobase + com_dlbl, dlbl);
@ -2669,16 +2715,14 @@ siocnopen(sp)
}
static void
siocnclose(sp)
siocnclose(sp, iobase)
struct siocnstate *sp;
Port_t iobase;
{
Port_t iobase;
/*
* Restore the device control registers.
*/
siocntxwait();
iobase = siocniobase;
siocntxwait(iobase);
outb(iobase + com_cfcr, CFCR_DLAB | CFCR_8BITS);
if (sp->dlbl != inb(iobase + com_dlbl))
outb(iobase + com_dlbl, sp->dlbl);
@ -2696,6 +2740,7 @@ void
siocnprobe(cp)
struct consdev *cp;
{
#if 0
speed_t boot_speed;
u_char cfcr;
struct isa_device *dvp;
@ -2746,7 +2791,7 @@ siocnprobe(cp)
(u_int) COMBRD(comdefaultrate) >> 8);
outb(siocniobase + com_cfcr, cfcr);
siocnopen(&sp);
siocnopen(&sp, siocniobase, comdefaultrate);
splx(s);
if (!COM_LLCONSOLE(dvp)) {
cp->cn_dev = makedev(CDEV_MAJOR, dvp->id_unit);
@ -2756,6 +2801,89 @@ siocnprobe(cp)
}
break;
}
#endif
}
struct consdev siocons = {
NULL, NULL, siocngetc, siocncheckc, siocnputc,
NULL, makedev(CDEV_MAJOR, 0), CN_NORMAL,
};
extern struct consdev *cn_tab;
int
siocnattach(port, speed)
int port;
int speed;
{
int s;
u_char cfcr;
struct siocnstate sp;
siocniobase = port;
comdefaultrate = speed;
s = spltty();
/*
* Initialize the divisor latch. We can't rely on
* siocnopen() to do this the first time, since it
* avoids writing to the latch if the latch appears
* to have the correct value. Also, if we didn't
* just read the speed from the hardware, then we
* need to set the speed in hardware so that
* switching it later is null.
*/
cfcr = inb(siocniobase + com_cfcr);
outb(siocniobase + com_cfcr, CFCR_DLAB | cfcr);
outb(siocniobase + com_dlbl,
COMBRD(comdefaultrate) & 0xff);
outb(siocniobase + com_dlbh,
(u_int) COMBRD(comdefaultrate) >> 8);
outb(siocniobase + com_cfcr, cfcr);
siocnopen(&sp, siocniobase, comdefaultrate);
splx(s);
cn_tab = &siocons;
return 0;
}
int
siogdbattach(port, speed)
int port;
int speed;
{
int s;
u_char cfcr;
struct siocnstate sp;
siogdbiobase = port;
gdbdefaultrate = speed;
s = spltty();
/*
* Initialize the divisor latch. We can't rely on
* siocnopen() to do this the first time, since it
* avoids writing to the latch if the latch appears
* to have the correct value. Also, if we didn't
* just read the speed from the hardware, then we
* need to set the speed in hardware so that
* switching it later is null.
*/
cfcr = inb(siogdbiobase + com_cfcr);
outb(siogdbiobase + com_cfcr, CFCR_DLAB | cfcr);
outb(siogdbiobase + com_dlbl,
COMBRD(gdbdefaultrate) & 0xff);
outb(siogdbiobase + com_dlbh,
(u_int) COMBRD(gdbdefaultrate) >> 8);
outb(siogdbiobase + com_cfcr, cfcr);
siocnopen(&sp, siogdbiobase, gdbdefaultrate);
splx(s);
return 0;
}
void
@ -2776,12 +2904,12 @@ siocncheckc(dev)
iobase = siocniobase;
s = spltty();
siocnopen(&sp);
siocnopen(&sp, iobase, comdefaultrate);
if (inb(iobase + com_lsr) & LSR_RXRDY)
c = inb(iobase + com_data);
else
c = -1;
siocnclose(&sp);
siocnclose(&sp, iobase);
splx(s);
return (c);
}
@ -2798,11 +2926,11 @@ siocngetc(dev)
iobase = siocniobase;
s = spltty();
siocnopen(&sp);
siocnopen(&sp, iobase, comdefaultrate);
while (!(inb(iobase + com_lsr) & LSR_RXRDY))
;
c = inb(iobase + com_data);
siocnclose(&sp);
siocnclose(&sp, iobase);
splx(s);
return (c);
}
@ -2816,10 +2944,44 @@ siocnputc(dev, c)
struct siocnstate sp;
s = spltty();
siocnopen(&sp);
siocntxwait();
siocnopen(&sp, siocniobase, comdefaultrate);
siocntxwait(siocniobase);
outb(siocniobase + com_data, c);
siocnclose(&sp);
siocnclose(&sp, siocniobase);
splx(s);
}
int
siogdbgetc()
{
int c;
Port_t iobase;
int s;
struct siocnstate sp;
iobase = siogdbiobase;
s = spltty();
siocnopen(&sp, iobase, gdbdefaultrate);
while (!(inb(iobase + com_lsr) & LSR_RXRDY))
;
c = inb(iobase + com_data);
siocnclose(&sp, iobase);
splx(s);
return (c);
}
void
siogdbputc(c)
int c;
{
int s;
struct siocnstate sp;
s = spltty();
siocnopen(&sp, siogdbiobase, gdbdefaultrate);
siocntxwait(siogdbiobase);
outb(siogdbiobase + com_data, c);
siocnclose(&sp, siogdbiobase);
splx(s);
}
@ -2950,11 +3112,13 @@ LoadSoftModem(int unit, int base_io, u_long size, u_char *ptr)
#if NPNP > 0
static pnpid_t siopnp_ids[] = {
static struct siopnp_ids {
u_long vend_id;
char *id_str;
} siopnp_ids[] = {
{ 0x5015f435, "MOT1550"},
{ 0x8113b04e, "Supra1381"},
{ 0x9012b04e, "Supra1290"},
{ 0x7121b04e, "SupraExpress 56i Sp"},
{ 0x11007256, "USR0011"},
{ 0x30207256, "USR2030"},
{ 0 }
@ -2977,12 +3141,12 @@ DATA_SET (pnpdevice_set, siopnp);
static char *
siopnp_probe(u_long csn, u_long vend_id)
{
pnpid_t *id;
struct siopnp_ids *ids;
char *s = NULL;
for(id = siopnp_ids; id->vend_id != 0; id++) {
if (vend_id == id->vend_id) {
s = id->id_str;
for(ids = siopnp_ids; ids->vend_id != 0; ids++) {
if (vend_id == ids->vend_id) {
s = ids->id_str;
break;
}
}
@ -2991,7 +3155,7 @@ siopnp_probe(u_long csn, u_long vend_id)
struct pnp_cinfo d;
read_pnp_parms(&d, 0);
if (d.enable == 0 || d.flags & 1) {
printf("CSN %lu is disabled.\n", csn);
printf("CSN %d is disabled.\n", csn);
return (NULL);
}
@ -3037,3 +3201,6 @@ siopnp_attach(u_long csn, u_long vend_id, char *name, struct isa_device *dev)
printf("sio%d: probe failed\n", dev->id_unit);
}
#endif
CDEV_DRIVER_MODULE(sio, isa, sio_driver, sio_devclass,
CDEV_MAJOR, sio_cdevsw, 0, 0);

2
sys/isa/sioreg.h
View File

@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* from: @(#)comreg.h 7.2 (Berkeley) 5/9/91
* $Id: sioreg.h,v 1.9 1997/06/04 04:52:40 pst Exp $
* $Id: sioreg.h,v 1.1 1998/09/24 02:07:28 jkh Exp $
*/