system/freebsd-src
system/freebsd-src
1
0
Fork 0
mirror of https://github.com/freebsd/freebsd-src synced 2024-10-17 22:04:40 +00:00
Code Issues Packages Projects Releases Wiki Activity

Merged from sys/dev/sio/{sio.c,sio_isa.c} revisions 1.363 and 1.5,

Browse source 
respectively.
This commit is contained in:
Yoshihiro Takahashi 2002-01-31 08:26:45 +00:00
parent 9fdd7481ef
commit e523a353a2
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=90011
4 changed files with 252 additions and 314 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

279
sys/pc98/cbus/sio.c
View file

@ -347,6 +347,8 @@ struct com_s {
u_int delta_error_counts[CE_NTYPES];
u_long error_counts[CE_NTYPES];
u_long rclk;
struct resource *irqres;
struct resource *ioportres;
void *cookie;
@ -371,6 +373,7 @@ static int espattach __P((struct com_s *com, Port_t esp_port));
#endif
static timeout_t siobusycheck;
static u_int siodivisor __P((u_long rclk, speed_t speed));
static timeout_t siodtrwakeup;
static void comhardclose __P((struct com_s *com));
static void sioinput __P((struct com_s *com));
@ -422,6 +425,8 @@ static struct cdevsw sio_cdevsw = {
int comconsole = -1;
static volatile speed_t comdefaultrate = CONSPEED;
static u_long comdefaultrclk = DEFAULT_RCLK;
SYSCTL_ULONG(_machdep, OID_AUTO, conrclk, CTLFLAG_RW, &comdefaultrclk, 0, "");
#ifdef __alpha__
static volatile speed_t gdbdefaultrate = CONSPEED;
#endif
@ -527,11 +532,11 @@ static struct speedtab pc98speedtab[] = { /* internal RS232C interface */
{ -1, -1 }
};
static struct speedtab pc98fast_speedtab[] = {
{ 9600, 0x80 | COMBRD(9600), },
{ 19200, 0x80 | COMBRD(19200), },
{ 38400, 0x80 | COMBRD(38400), },
{ 57600, 0x80 | COMBRD(57600), },
{ 115200, 0x80 | COMBRD(115200), },
{ 9600, 0x80 | (DEFAULT_RCLK / (16 * (9600))), },
{ 19200, 0x80 | (DEFAULT_RCLK / (16 * (19200))), },
{ 38400, 0x80 | (DEFAULT_RCLK / (16 * (38400))), },
{ 57600, 0x80 | (DEFAULT_RCLK / (16 * (57600))), },
{ 115200, 0x80 | (DEFAULT_RCLK / (16 * (115200))), },
{ -1, -1 }
};
static struct speedtab comspeedtab_pio9032b[] = {
@ -560,7 +565,7 @@ static struct speedtab comspeedtab_b98_01[] = {
{ 153600, 0, },
{ -1, -1 }
};
static struct speedtab comspeedtab_mc16550[] = {
static struct speedtab comspeedtab_ind[] = {
{ 300, 1536, },
{ 600, 768, },
{ 1200, 384, },
@ -576,77 +581,7 @@ static struct speedtab comspeedtab_mc16550[] = {
{ 460800, 1, },
{ -1, -1 }
};
static struct speedtab comspeedtab_rsb384[] = {
{ 300, 3840, },
{ 600, 1920, },
{ 1200, 960, },
{ 2400, 480, },
{ 4800, 240, },
{ 9600, 120, },
{ 19200, 60, },
{ 38400, 30, },
{ 57600, 20, },
{ 115200, 10, },
{ 128000, 9, },
{ 144000, 8, },
{ 192000, 6, },
{ 230400, 5, },
{ 288000, 4, },
{ 384000, 3, },
{ 576000, 2, },
{ 1152000, 1, },
{ -1, -1 }
};
static struct speedtab comspeedtab_rsa[] = {
{ 0, 0 },
{ 50, COMBRD_RSA(50) },
{ 75, COMBRD_RSA(75) },
{ 110, COMBRD_RSA(110) },
{ 134, COMBRD_RSA(134) },
{ 150, COMBRD_RSA(150) },
{ 200, COMBRD_RSA(200) },
{ 300, COMBRD_RSA(300) },
{ 600, COMBRD_RSA(600) },
{ 1200, COMBRD_RSA(1200) },
{ 1800, COMBRD_RSA(1800) },
{ 2400, COMBRD_RSA(2400) },
{ 4800, COMBRD_RSA(4800) },
{ 9600, COMBRD_RSA(9600) },
{ 19200, COMBRD_RSA(19200) },
{ 38400, COMBRD_RSA(38400) },
{ 57600, COMBRD_RSA(57600) },
{ 115200, COMBRD_RSA(115200) },
{ 230400, COMBRD_RSA(230400) },
{ 460800, COMBRD_RSA(460800) },
{ 921600, COMBRD_RSA(921600) },
{ -1, -1 }
};
#endif /* PC98 */
static struct speedtab comspeedtab[] = {
{ 0, 0 },
{ 50, COMBRD(50) },
{ 75, COMBRD(75) },
{ 110, COMBRD(110) },
{ 134, COMBRD(134) },
{ 150, COMBRD(150) },
{ 200, COMBRD(200) },
{ 300, COMBRD(300) },
{ 600, COMBRD(600) },
{ 1200, COMBRD(1200) },
{ 1800, COMBRD(1800) },
{ 2400, COMBRD(2400) },
{ 4800, COMBRD(4800) },
{ 9600, COMBRD(9600) },
{ 19200, COMBRD(19200) },
{ 28800, COMBRD(28800) },
{ 38400, COMBRD(38400) },
{ 57600, COMBRD(57600) },
{ 115200, COMBRD(115200) },
{ -1, -1 }
};
#ifdef PC98
struct {
char *name;
short port_table[7];
@ -665,10 +600,10 @@ struct {
3, NULL, 1 },
/* COM_IF_IND_SS_1 */
{ " (IND-SS)", {0xb1, 0xb3, 0xb3, 0xb0, 0xb0, 0xb3, -1},
3, comspeedtab_mc16550, 1 },
3, comspeedtab_ind, 1 },
/* COM_IF_IND_SS_2 */
{ " (IND-SS)", {0xb9, 0xbb, 0xbb, 0xb2, 0xb2, 0xbb, -1},
3, comspeedtab_mc16550, 1 },
3, comspeedtab_ind, 1 },
/* COM_IF_PIO9032B_1 */
{ " (PIO9032B)", {0xb1, 0xb3, 0xb3, 0xb0, 0xb0, 0xb8, -1},
7, comspeedtab_pio9032b, 1 },
@ -715,31 +650,29 @@ struct {
short irr_write;
bus_addr_t *iat;
bus_size_t iatsz;
struct speedtab *speedtab;
u_long rclk;
} if_16550a_type[] = {
/* COM_IF_RSA98 */
{" (RSA-98)", -1, -1, port_table_0, IO_COMSIZE, comspeedtab},
{" (RSA-98)", -1, -1, port_table_0, IO_COMSIZE, DEFAULT_RCLK},
/* COM_IF_NS16550 */
{"", -1, -1, port_table_0, IO_COMSIZE, comspeedtab},
{"", -1, -1, port_table_0, IO_COMSIZE, DEFAULT_RCLK},
/* COM_IF_SECOND_CCU */
{"", -1, -1, port_table_0, IO_COMSIZE, comspeedtab},
{"", -1, -1, port_table_0, IO_COMSIZE, DEFAULT_RCLK},
/* COM_IF_MC16550II */
{" (MC16550II)", -1, 0x1000, port_table_8, IO_COMSIZE,
comspeedtab_mc16550},
DEFAULT_RCLK * 4},
/* COM_IF_MCRS98 */
{" (MC-RS98)", -1, 0x1000, port_table_8, IO_COMSIZE,
comspeedtab_mc16550},
{" (MC-RS98)", -1, 0x1000, port_table_8, IO_COMSIZE, DEFAULT_RCLK * 4},
/* COM_IF_RSB3000 */
{" (RSB-3000)", 0xbf, -1, port_table_1, IO_COMSIZE,
comspeedtab_rsb384},
{" (RSB-3000)", 0xbf, -1, port_table_1, IO_COMSIZE, DEFAULT_RCLK * 10},
/* COM_IF_RSB384 */
{" (RSB-384)", 0xbf, -1, port_table_1, IO_COMSIZE, comspeedtab_rsb384},
{" (RSB-384)", 0xbf, -1, port_table_1, IO_COMSIZE, DEFAULT_RCLK * 10},
/* COM_IF_MODEM_CARD */
{"", -1, -1, port_table_0, IO_COMSIZE, comspeedtab},
{"", -1, -1, port_table_0, IO_COMSIZE, DEFAULT_RCLK},
/* COM_IF_RSA98III */
{" (RSA-98III)", -1, -1, port_table_rsa, 16, comspeedtab_rsa},
{" (RSA-98III)", -1, -1, port_table_rsa, 16, DEFAULT_RCLK * 8},
/* COM_IF_ESP98 */
{" (ESP98)", -1, -1, port_table_1, IO_COMSIZE, comspeedtab_mc16550},
{" (ESP98)", -1, -1, port_table_1, IO_COMSIZE, DEFAULT_RCLK * 4},
};
#endif /* PC98 */
@ -873,9 +806,10 @@ siodetach(dev)
}
int
sioprobe(dev, xrid, noprobe)
sioprobe(dev, xrid, rclk, noprobe)
device_t dev;
int xrid;
u_long rclk;
int noprobe;
{
#if 0
@ -883,6 +817,7 @@ sioprobe(dev, xrid, noprobe)
device_t xdev;
#endif
struct com_s *com;
u_int divisor;
bool_t failures[10];
int fn;
device_t idev;
@ -945,6 +880,14 @@ sioprobe(dev, xrid, noprobe)
device_set_softc(dev, com);
com->bst = rman_get_bustag(port);
com->bsh = rman_get_bushandle(port);
#ifdef PC98
if (!IS_8251(iod.if_type) && rclk == 0)
rclk = if_16550a_type[iod.if_type & 0x0f].rclk;
#else
if (rclk == 0)
rclk = DEFAULT_RCLK;
#endif
com->rclk = rclk;
while (sio_inited != 2)
if (atomic_cmpset_int(&sio_inited, 0, 1)) {
@ -1172,19 +1115,11 @@ sioprobe(dev, xrid, noprobe)
if (iobase == siocniobase)
DELAY((16 + 1) * 1000000 / (comdefaultrate / 10));
else {
#ifdef PC98
tmp = ttspeedtab(SIO_TEST_SPEED,
if_16550a_type[iod.if_type & 0x0f].speedtab);
sio_setreg(com, com_cfcr, CFCR_DLAB | CFCR_8BITS);
sio_setreg(com, com_dlbl, tmp & 0xff);
sio_setreg(com, com_dlbh, (tmp >> 8) & 0xff);
divisor = siodivisor(rclk, SIO_TEST_SPEED);
sio_setreg(com, com_dlbl, divisor & 0xff);
sio_setreg(com, com_dlbh, divisor >> 8);
sio_setreg(com, com_cfcr, CFCR_8BITS);
#else
sio_setreg(com, com_cfcr, CFCR_DLAB | CFCR_8BITS);
sio_setreg(com, com_dlbl, COMBRD(SIO_TEST_SPEED) & 0xff);
sio_setreg(com, com_dlbh, (u_int) COMBRD(SIO_TEST_SPEED) >> 8);
sio_setreg(com, com_cfcr, CFCR_8BITS);
#endif
DELAY((16 + 1) * 1000000 / (SIO_TEST_SPEED / 10));
}
@ -1456,9 +1391,10 @@ espattach(com, esp_port)
#endif /* COM_ESP */
int
sioattach(dev, xrid)
sioattach(dev, xrid, rclk)
device_t dev;
int xrid;
u_long rclk;
{
struct com_s *com;
#ifdef COM_ESP
@ -1588,6 +1524,15 @@ sioattach(dev, xrid)
com->intr_ctl_port = iobase + com_ier;
#endif
#ifdef PC98
if (!IS_8251(if_type) && rclk == 0)
rclk = if_16550a_type[if_type & 0x0f].rclk;
#else
if (rclk == 0)
rclk = DEFAULT_RCLK;
#endif
com->rclk = rclk;
/*
* We don't use all the flags from <sys/ttydefaults.h> since they
* are only relevant for logins. It's important to have echo off
@ -2347,6 +2292,32 @@ siobusycheck(chan)
splx(s);
}
static u_int
siodivisor(rclk, speed)
u_long rclk;
speed_t speed;
{
long actual_speed;
u_int divisor;
int error;
if (speed == 0 || speed > (ULONG_MAX - 1) / 8)
return (0);
divisor = (rclk / (8UL * speed) + 1) / 2;
if (divisor == 0 || divisor >= 65536)
return (0);
actual_speed = rclk / (16UL * divisor);
/* 10 times error in percent: */
error = ((actual_speed - (long)speed) * 2000 / (long)speed + 1) / 2;
/* 3.0% maximum error tolerance: */
if (error < -30 || error > 30)
return (0);
return (divisor);
}
static void
siodtrwakeup(chan)
void *chan;
@ -3221,7 +3192,7 @@ comparam(tp, t)
u_int cfcr;
int cflag;
struct com_s *com;
int divisor;
u_int divisor;
u_char dlbh;
u_char dlbl;
int s;
@ -3230,41 +3201,39 @@ comparam(tp, t)
u_char param = 0;
#endif
#ifdef PC98
unit = DEV_TO_UNIT(tp->t_dev);
com = com_addr(unit);
if (com == NULL)
return (ENODEV);
#ifdef PC98
cfcr = 0;
if (IS_8251(com->pc98_if_type)) {
divisor = pc98_ttspeedtab(com, t->c_ospeed);
} else {
/* do historical conversions */
if (t->c_ispeed == 0)
t->c_ispeed = t->c_ospeed;
/* check requested parameters */
divisor = ttspeedtab(t->c_ospeed,
if_16550a_type[com->pc98_if_type & 0x0f].speedtab);
}
#else
if (IS_8251(com->pc98_if_type)) {
divisor = (int) pc98_ttspeedtab(com, t->c_ospeed);
if ((int)divisor < 0)
return (EINVAL);
} else {
#endif
/* do historical conversions */
if (t->c_ispeed == 0)
t->c_ispeed = t->c_ospeed;
/* check requested parameters */
divisor = ttspeedtab(t->c_ospeed, comspeedtab);
if (t->c_ospeed == 0)
divisor = 0;
else {
if (t->c_ispeed != t->c_ospeed)
return (EINVAL);
divisor = siodivisor(com->rclk, t->c_ispeed);
if (divisor == 0)
return (EINVAL);
}
#ifdef PC98
}
#endif
if (divisor < 0 || (divisor > 0 && t->c_ispeed != t->c_ospeed))
return (EINVAL);
#ifndef PC98
/* parameters are OK, convert them to the com struct and the device */
unit = DEV_TO_UNIT(tp->t_dev);
com = com_addr(unit);
if (com == NULL)
return (ENODEV);
#endif
s = spltty();
#ifdef PC98
if (IS_8251(com->pc98_if_type)) {
@ -3358,7 +3327,7 @@ comparam(tp, t)
dlbl = divisor & 0xFF;
if (sio_getreg(com, com_dlbl) != dlbl)
sio_setreg(com, com_dlbl, dlbl);
dlbh = (u_int) divisor >> 8;
dlbh = divisor >> 8;
if (sio_getreg(com, com_dlbh) != dlbh)
sio_setreg(com, com_dlbh, dlbh);
}
@ -3957,7 +3926,7 @@ struct siocnstate {
};
#ifndef __alpha__
static speed_t siocngetspeed __P((Port_t, struct speedtab *));
static speed_t siocngetspeed __P((Port_t, u_long rclk));
#endif
static void siocnclose __P((struct siocnstate *sp, Port_t iobase));
static void siocnopen __P((struct siocnstate *sp, Port_t iobase, int speed));
@ -4016,11 +3985,11 @@ siocntxwait(iobase)
*/
static speed_t
siocngetspeed(iobase, table)
Port_t iobase;
struct speedtab *table;
siocngetspeed(iobase, rclk)
Port_t iobase;
u_long rclk;
{
int code;
u_int divisor;
u_char dlbh;
u_char dlbl;
u_char cfcr;
@ -4033,13 +4002,12 @@ siocngetspeed(iobase, table)
outb(iobase + com_cfcr, cfcr);
code = dlbh << 8 | dlbl;
divisor = dlbh << 8 | dlbl;
for (; table->sp_speed != -1; table++)
if (table->sp_code == code)
return (table->sp_speed);
return (0); /* didn't match anything sane */
/* XXX there should be more sanity checking. */
if (divisor == 0)
return (CONSPEED);
return (rclk / (16UL * divisor));
}
#endif
@ -4050,7 +4018,7 @@ siocnopen(sp, iobase, speed)
Port_t iobase;
int speed;
{
int divisor;
u_int divisor;
u_char dlbh;
u_char dlbl;
@ -4072,11 +4040,11 @@ siocnopen(sp, iobase, speed)
* data input register. This also reduces the effects of the
* UMC8669F bug.
*/
divisor = ttspeedtab(speed, comspeedtab);
divisor = siodivisor(comdefaultrclk, speed);
dlbl = divisor & 0xFF;
if (sp->dlbl != dlbl)
outb(iobase + com_dlbl, dlbl);
dlbh = (u_int) divisor >> 8;
dlbh = divisor >> 8;
if (sp->dlbh != dlbh)
outb(iobase + com_dlbh, dlbh);
outb(iobase + com_cfcr, CFCR_8BITS);
@ -4119,6 +4087,7 @@ siocnprobe(cp)
{
speed_t boot_speed;
u_char cfcr;
u_int divisor;
int s, unit;
struct siocnstate sp;
@ -4156,7 +4125,8 @@ siocnprobe(cp)
iobase = port;
s = spltty();
if (boothowto & RB_SERIAL) {
boot_speed = siocngetspeed(iobase, comspeedtab);
boot_speed =
siocngetspeed(iobase, comdefaultrclk);
if (boot_speed)
comdefaultrate = boot_speed;
}
@ -4172,10 +4142,9 @@ siocnprobe(cp)
*/
cfcr = inb(iobase + com_cfcr);
outb(iobase + com_cfcr, CFCR_DLAB | cfcr);
outb(iobase + com_dlbl,
COMBRD(comdefaultrate) & 0xff);
outb(iobase + com_dlbh,
(u_int) COMBRD(comdefaultrate) >> 8);
divisor = siodivisor(comdefaultrclk, comdefaultrate);
outb(iobase + com_dlbl, divisor & 0xff);
outb(iobase + com_dlbh, divisor >> 8);
outb(iobase + com_cfcr, cfcr);
siocnopen(&sp, iobase, comdefaultrate);
@ -4250,6 +4219,7 @@ siocnattach(port, speed)
{
int s;
u_char cfcr;
u_int divisor;
struct siocnstate sp;
siocniobase = port;
@ -4270,10 +4240,9 @@ siocnattach(port, speed)
*/
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);
divisor = siodivisor(comdefaultrclk, comdefaultrate);
outb(siocniobase + com_dlbl, divisor & 0xff);
outb(siocniobase + com_dlbh, divisor >> 8);
outb(siocniobase + com_cfcr, cfcr);
siocnopen(&sp, siocniobase, comdefaultrate);
@ -4290,6 +4259,7 @@ siogdbattach(port, speed)
{
int s;
u_char cfcr;
u_int divisor;
struct siocnstate sp;
int unit = 1; /* XXX !!! */
@ -4317,10 +4287,9 @@ siogdbattach(port, speed)
*/
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);
divisor = siodivisor(comdefaultrclk, gdbdefaultrate);
outb(siogdbiobase + com_dlbl, divisor & 0xff);
outb(siogdbiobase + com_dlbh, divisor >> 8);
outb(siogdbiobase + com_cfcr, cfcr);
siocnopen(&sp, siogdbiobase, gdbdefaultrate);

4
sys/pc98/cbus/sio_cbus.c
View file

@ -82,14 +82,14 @@ sio_isa_probe(dev)
break;
}
#endif
return (sioprobe(dev, 0, 0));
return (sioprobe(dev, 0, 0UL, 0));
}
static int
sio_isa_attach(dev)
device_t dev;
{
return (sioattach(dev, 0));
return (sioattach(dev, 0, 0UL));
}
DRIVER_MODULE(sio, isa, sio_isa_driver, sio_devclass, 0, 0);

279
sys/pc98/pc98/sio.c
View file

@ -347,6 +347,8 @@ struct com_s {
u_int delta_error_counts[CE_NTYPES];
u_long error_counts[CE_NTYPES];
u_long rclk;
struct resource *irqres;
struct resource *ioportres;
void *cookie;
@ -371,6 +373,7 @@ static int espattach __P((struct com_s *com, Port_t esp_port));
#endif
static timeout_t siobusycheck;
static u_int siodivisor __P((u_long rclk, speed_t speed));
static timeout_t siodtrwakeup;
static void comhardclose __P((struct com_s *com));
static void sioinput __P((struct com_s *com));
@ -422,6 +425,8 @@ static struct cdevsw sio_cdevsw = {
int comconsole = -1;
static volatile speed_t comdefaultrate = CONSPEED;
static u_long comdefaultrclk = DEFAULT_RCLK;
SYSCTL_ULONG(_machdep, OID_AUTO, conrclk, CTLFLAG_RW, &comdefaultrclk, 0, "");
#ifdef __alpha__
static volatile speed_t gdbdefaultrate = CONSPEED;
#endif
@ -527,11 +532,11 @@ static struct speedtab pc98speedtab[] = { /* internal RS232C interface */
{ -1, -1 }
};
static struct speedtab pc98fast_speedtab[] = {
{ 9600, 0x80 | COMBRD(9600), },
{ 19200, 0x80 | COMBRD(19200), },
{ 38400, 0x80 | COMBRD(38400), },
{ 57600, 0x80 | COMBRD(57600), },
{ 115200, 0x80 | COMBRD(115200), },
{ 9600, 0x80 | (DEFAULT_RCLK / (16 * (9600))), },
{ 19200, 0x80 | (DEFAULT_RCLK / (16 * (19200))), },
{ 38400, 0x80 | (DEFAULT_RCLK / (16 * (38400))), },
{ 57600, 0x80 | (DEFAULT_RCLK / (16 * (57600))), },
{ 115200, 0x80 | (DEFAULT_RCLK / (16 * (115200))), },
{ -1, -1 }
};
static struct speedtab comspeedtab_pio9032b[] = {
@ -560,7 +565,7 @@ static struct speedtab comspeedtab_b98_01[] = {
{ 153600, 0, },
{ -1, -1 }
};
static struct speedtab comspeedtab_mc16550[] = {
static struct speedtab comspeedtab_ind[] = {
{ 300, 1536, },
{ 600, 768, },
{ 1200, 384, },
@ -576,77 +581,7 @@ static struct speedtab comspeedtab_mc16550[] = {
{ 460800, 1, },
{ -1, -1 }
};
static struct speedtab comspeedtab_rsb384[] = {
{ 300, 3840, },
{ 600, 1920, },
{ 1200, 960, },
{ 2400, 480, },
{ 4800, 240, },
{ 9600, 120, },
{ 19200, 60, },
{ 38400, 30, },
{ 57600, 20, },
{ 115200, 10, },
{ 128000, 9, },
{ 144000, 8, },
{ 192000, 6, },
{ 230400, 5, },
{ 288000, 4, },
{ 384000, 3, },
{ 576000, 2, },
{ 1152000, 1, },
{ -1, -1 }
};
static struct speedtab comspeedtab_rsa[] = {
{ 0, 0 },
{ 50, COMBRD_RSA(50) },
{ 75, COMBRD_RSA(75) },
{ 110, COMBRD_RSA(110) },
{ 134, COMBRD_RSA(134) },
{ 150, COMBRD_RSA(150) },
{ 200, COMBRD_RSA(200) },
{ 300, COMBRD_RSA(300) },
{ 600, COMBRD_RSA(600) },
{ 1200, COMBRD_RSA(1200) },
{ 1800, COMBRD_RSA(1800) },
{ 2400, COMBRD_RSA(2400) },
{ 4800, COMBRD_RSA(4800) },
{ 9600, COMBRD_RSA(9600) },
{ 19200, COMBRD_RSA(19200) },
{ 38400, COMBRD_RSA(38400) },
{ 57600, COMBRD_RSA(57600) },
{ 115200, COMBRD_RSA(115200) },
{ 230400, COMBRD_RSA(230400) },
{ 460800, COMBRD_RSA(460800) },
{ 921600, COMBRD_RSA(921600) },
{ -1, -1 }
};
#endif /* PC98 */
static struct speedtab comspeedtab[] = {
{ 0, 0 },
{ 50, COMBRD(50) },
{ 75, COMBRD(75) },
{ 110, COMBRD(110) },
{ 134, COMBRD(134) },
{ 150, COMBRD(150) },
{ 200, COMBRD(200) },
{ 300, COMBRD(300) },
{ 600, COMBRD(600) },
{ 1200, COMBRD(1200) },
{ 1800, COMBRD(1800) },
{ 2400, COMBRD(2400) },
{ 4800, COMBRD(4800) },
{ 9600, COMBRD(9600) },
{ 19200, COMBRD(19200) },
{ 28800, COMBRD(28800) },
{ 38400, COMBRD(38400) },
{ 57600, COMBRD(57600) },
{ 115200, COMBRD(115200) },
{ -1, -1 }
};
#ifdef PC98
struct {
char *name;
short port_table[7];
@ -665,10 +600,10 @@ struct {
3, NULL, 1 },
/* COM_IF_IND_SS_1 */
{ " (IND-SS)", {0xb1, 0xb3, 0xb3, 0xb0, 0xb0, 0xb3, -1},
3, comspeedtab_mc16550, 1 },
3, comspeedtab_ind, 1 },
/* COM_IF_IND_SS_2 */
{ " (IND-SS)", {0xb9, 0xbb, 0xbb, 0xb2, 0xb2, 0xbb, -1},
3, comspeedtab_mc16550, 1 },
3, comspeedtab_ind, 1 },
/* COM_IF_PIO9032B_1 */
{ " (PIO9032B)", {0xb1, 0xb3, 0xb3, 0xb0, 0xb0, 0xb8, -1},
7, comspeedtab_pio9032b, 1 },
@ -715,31 +650,29 @@ struct {
short irr_write;
bus_addr_t *iat;
bus_size_t iatsz;
struct speedtab *speedtab;
u_long rclk;
} if_16550a_type[] = {
/* COM_IF_RSA98 */
{" (RSA-98)", -1, -1, port_table_0, IO_COMSIZE, comspeedtab},
{" (RSA-98)", -1, -1, port_table_0, IO_COMSIZE, DEFAULT_RCLK},
/* COM_IF_NS16550 */
{"", -1, -1, port_table_0, IO_COMSIZE, comspeedtab},
{"", -1, -1, port_table_0, IO_COMSIZE, DEFAULT_RCLK},
/* COM_IF_SECOND_CCU */
{"", -1, -1, port_table_0, IO_COMSIZE, comspeedtab},
{"", -1, -1, port_table_0, IO_COMSIZE, DEFAULT_RCLK},
/* COM_IF_MC16550II */
{" (MC16550II)", -1, 0x1000, port_table_8, IO_COMSIZE,
comspeedtab_mc16550},
DEFAULT_RCLK * 4},
/* COM_IF_MCRS98 */
{" (MC-RS98)", -1, 0x1000, port_table_8, IO_COMSIZE,
comspeedtab_mc16550},
{" (MC-RS98)", -1, 0x1000, port_table_8, IO_COMSIZE, DEFAULT_RCLK * 4},
/* COM_IF_RSB3000 */
{" (RSB-3000)", 0xbf, -1, port_table_1, IO_COMSIZE,
comspeedtab_rsb384},
{" (RSB-3000)", 0xbf, -1, port_table_1, IO_COMSIZE, DEFAULT_RCLK * 10},
/* COM_IF_RSB384 */
{" (RSB-384)", 0xbf, -1, port_table_1, IO_COMSIZE, comspeedtab_rsb384},
{" (RSB-384)", 0xbf, -1, port_table_1, IO_COMSIZE, DEFAULT_RCLK * 10},
/* COM_IF_MODEM_CARD */
{"", -1, -1, port_table_0, IO_COMSIZE, comspeedtab},
{"", -1, -1, port_table_0, IO_COMSIZE, DEFAULT_RCLK},
/* COM_IF_RSA98III */
{" (RSA-98III)", -1, -1, port_table_rsa, 16, comspeedtab_rsa},
{" (RSA-98III)", -1, -1, port_table_rsa, 16, DEFAULT_RCLK * 8},
/* COM_IF_ESP98 */
{" (ESP98)", -1, -1, port_table_1, IO_COMSIZE, comspeedtab_mc16550},
{" (ESP98)", -1, -1, port_table_1, IO_COMSIZE, DEFAULT_RCLK * 4},
};
#endif /* PC98 */
@ -873,9 +806,10 @@ siodetach(dev)
}
int
sioprobe(dev, xrid, noprobe)
sioprobe(dev, xrid, rclk, noprobe)
device_t dev;
int xrid;
u_long rclk;
int noprobe;
{
#if 0
@ -883,6 +817,7 @@ sioprobe(dev, xrid, noprobe)
device_t xdev;
#endif
struct com_s *com;
u_int divisor;
bool_t failures[10];
int fn;
device_t idev;
@ -945,6 +880,14 @@ sioprobe(dev, xrid, noprobe)
device_set_softc(dev, com);
com->bst = rman_get_bustag(port);
com->bsh = rman_get_bushandle(port);
#ifdef PC98
if (!IS_8251(iod.if_type) && rclk == 0)
rclk = if_16550a_type[iod.if_type & 0x0f].rclk;
#else
if (rclk == 0)
rclk = DEFAULT_RCLK;
#endif
com->rclk = rclk;
while (sio_inited != 2)
if (atomic_cmpset_int(&sio_inited, 0, 1)) {
@ -1172,19 +1115,11 @@ sioprobe(dev, xrid, noprobe)
if (iobase == siocniobase)
DELAY((16 + 1) * 1000000 / (comdefaultrate / 10));
else {
#ifdef PC98
tmp = ttspeedtab(SIO_TEST_SPEED,
if_16550a_type[iod.if_type & 0x0f].speedtab);
sio_setreg(com, com_cfcr, CFCR_DLAB | CFCR_8BITS);
sio_setreg(com, com_dlbl, tmp & 0xff);
sio_setreg(com, com_dlbh, (tmp >> 8) & 0xff);
divisor = siodivisor(rclk, SIO_TEST_SPEED);
sio_setreg(com, com_dlbl, divisor & 0xff);
sio_setreg(com, com_dlbh, divisor >> 8);
sio_setreg(com, com_cfcr, CFCR_8BITS);
#else
sio_setreg(com, com_cfcr, CFCR_DLAB | CFCR_8BITS);
sio_setreg(com, com_dlbl, COMBRD(SIO_TEST_SPEED) & 0xff);
sio_setreg(com, com_dlbh, (u_int) COMBRD(SIO_TEST_SPEED) >> 8);
sio_setreg(com, com_cfcr, CFCR_8BITS);
#endif
DELAY((16 + 1) * 1000000 / (SIO_TEST_SPEED / 10));
}
@ -1456,9 +1391,10 @@ espattach(com, esp_port)
#endif /* COM_ESP */
int
sioattach(dev, xrid)
sioattach(dev, xrid, rclk)
device_t dev;
int xrid;
u_long rclk;
{
struct com_s *com;
#ifdef COM_ESP
@ -1588,6 +1524,15 @@ sioattach(dev, xrid)
com->intr_ctl_port = iobase + com_ier;
#endif
#ifdef PC98
if (!IS_8251(if_type) && rclk == 0)
rclk = if_16550a_type[if_type & 0x0f].rclk;
#else
if (rclk == 0)
rclk = DEFAULT_RCLK;
#endif
com->rclk = rclk;
/*
* We don't use all the flags from <sys/ttydefaults.h> since they
* are only relevant for logins. It's important to have echo off
@ -2347,6 +2292,32 @@ siobusycheck(chan)
splx(s);
}
static u_int
siodivisor(rclk, speed)
u_long rclk;
speed_t speed;
{
long actual_speed;
u_int divisor;
int error;
if (speed == 0 || speed > (ULONG_MAX - 1) / 8)
return (0);
divisor = (rclk / (8UL * speed) + 1) / 2;
if (divisor == 0 || divisor >= 65536)
return (0);
actual_speed = rclk / (16UL * divisor);
/* 10 times error in percent: */
error = ((actual_speed - (long)speed) * 2000 / (long)speed + 1) / 2;
/* 3.0% maximum error tolerance: */
if (error < -30 || error > 30)
return (0);
return (divisor);
}
static void
siodtrwakeup(chan)
void *chan;
@ -3221,7 +3192,7 @@ comparam(tp, t)
u_int cfcr;
int cflag;
struct com_s *com;
int divisor;
u_int divisor;
u_char dlbh;
u_char dlbl;
int s;
@ -3230,41 +3201,39 @@ comparam(tp, t)
u_char param = 0;
#endif
#ifdef PC98
unit = DEV_TO_UNIT(tp->t_dev);
com = com_addr(unit);
if (com == NULL)
return (ENODEV);
#ifdef PC98
cfcr = 0;
if (IS_8251(com->pc98_if_type)) {
divisor = pc98_ttspeedtab(com, t->c_ospeed);
} else {
/* do historical conversions */
if (t->c_ispeed == 0)
t->c_ispeed = t->c_ospeed;
/* check requested parameters */
divisor = ttspeedtab(t->c_ospeed,
if_16550a_type[com->pc98_if_type & 0x0f].speedtab);
}
#else
if (IS_8251(com->pc98_if_type)) {
divisor = (int) pc98_ttspeedtab(com, t->c_ospeed);
if ((int)divisor < 0)
return (EINVAL);
} else {
#endif
/* do historical conversions */
if (t->c_ispeed == 0)
t->c_ispeed = t->c_ospeed;
/* check requested parameters */
divisor = ttspeedtab(t->c_ospeed, comspeedtab);
if (t->c_ospeed == 0)
divisor = 0;
else {
if (t->c_ispeed != t->c_ospeed)
return (EINVAL);
divisor = siodivisor(com->rclk, t->c_ispeed);
if (divisor == 0)
return (EINVAL);
}
#ifdef PC98
}
#endif
if (divisor < 0 || (divisor > 0 && t->c_ispeed != t->c_ospeed))
return (EINVAL);
#ifndef PC98
/* parameters are OK, convert them to the com struct and the device */
unit = DEV_TO_UNIT(tp->t_dev);
com = com_addr(unit);
if (com == NULL)
return (ENODEV);
#endif
s = spltty();
#ifdef PC98
if (IS_8251(com->pc98_if_type)) {
@ -3358,7 +3327,7 @@ comparam(tp, t)
dlbl = divisor & 0xFF;
if (sio_getreg(com, com_dlbl) != dlbl)
sio_setreg(com, com_dlbl, dlbl);
dlbh = (u_int) divisor >> 8;
dlbh = divisor >> 8;
if (sio_getreg(com, com_dlbh) != dlbh)
sio_setreg(com, com_dlbh, dlbh);
}
@ -3957,7 +3926,7 @@ struct siocnstate {
};
#ifndef __alpha__
static speed_t siocngetspeed __P((Port_t, struct speedtab *));
static speed_t siocngetspeed __P((Port_t, u_long rclk));
#endif
static void siocnclose __P((struct siocnstate *sp, Port_t iobase));
static void siocnopen __P((struct siocnstate *sp, Port_t iobase, int speed));
@ -4016,11 +3985,11 @@ siocntxwait(iobase)
*/
static speed_t
siocngetspeed(iobase, table)
Port_t iobase;
struct speedtab *table;
siocngetspeed(iobase, rclk)
Port_t iobase;
u_long rclk;
{
int code;
u_int divisor;
u_char dlbh;
u_char dlbl;
u_char cfcr;
@ -4033,13 +4002,12 @@ siocngetspeed(iobase, table)
outb(iobase + com_cfcr, cfcr);
code = dlbh << 8 | dlbl;
divisor = dlbh << 8 | dlbl;
for (; table->sp_speed != -1; table++)
if (table->sp_code == code)
return (table->sp_speed);
return (0); /* didn't match anything sane */
/* XXX there should be more sanity checking. */
if (divisor == 0)
return (CONSPEED);
return (rclk / (16UL * divisor));
}
#endif
@ -4050,7 +4018,7 @@ siocnopen(sp, iobase, speed)
Port_t iobase;
int speed;
{
int divisor;
u_int divisor;
u_char dlbh;
u_char dlbl;
@ -4072,11 +4040,11 @@ siocnopen(sp, iobase, speed)
* data input register. This also reduces the effects of the
* UMC8669F bug.
*/
divisor = ttspeedtab(speed, comspeedtab);
divisor = siodivisor(comdefaultrclk, speed);
dlbl = divisor & 0xFF;
if (sp->dlbl != dlbl)
outb(iobase + com_dlbl, dlbl);
dlbh = (u_int) divisor >> 8;
dlbh = divisor >> 8;
if (sp->dlbh != dlbh)
outb(iobase + com_dlbh, dlbh);
outb(iobase + com_cfcr, CFCR_8BITS);
@ -4119,6 +4087,7 @@ siocnprobe(cp)
{
speed_t boot_speed;
u_char cfcr;
u_int divisor;
int s, unit;
struct siocnstate sp;
@ -4156,7 +4125,8 @@ siocnprobe(cp)
iobase = port;
s = spltty();
if (boothowto & RB_SERIAL) {
boot_speed = siocngetspeed(iobase, comspeedtab);
boot_speed =
siocngetspeed(iobase, comdefaultrclk);
if (boot_speed)
comdefaultrate = boot_speed;
}
@ -4172,10 +4142,9 @@ siocnprobe(cp)
*/
cfcr = inb(iobase + com_cfcr);
outb(iobase + com_cfcr, CFCR_DLAB | cfcr);
outb(iobase + com_dlbl,
COMBRD(comdefaultrate) & 0xff);
outb(iobase + com_dlbh,
(u_int) COMBRD(comdefaultrate) >> 8);
divisor = siodivisor(comdefaultrclk, comdefaultrate);
outb(iobase + com_dlbl, divisor & 0xff);
outb(iobase + com_dlbh, divisor >> 8);
outb(iobase + com_cfcr, cfcr);
siocnopen(&sp, iobase, comdefaultrate);
@ -4250,6 +4219,7 @@ siocnattach(port, speed)
{
int s;
u_char cfcr;
u_int divisor;
struct siocnstate sp;
siocniobase = port;
@ -4270,10 +4240,9 @@ siocnattach(port, speed)
*/
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);
divisor = siodivisor(comdefaultrclk, comdefaultrate);
outb(siocniobase + com_dlbl, divisor & 0xff);
outb(siocniobase + com_dlbh, divisor >> 8);
outb(siocniobase + com_cfcr, cfcr);
siocnopen(&sp, siocniobase, comdefaultrate);
@ -4290,6 +4259,7 @@ siogdbattach(port, speed)
{
int s;
u_char cfcr;
u_int divisor;
struct siocnstate sp;
int unit = 1; /* XXX !!! */
@ -4317,10 +4287,9 @@ siogdbattach(port, speed)
*/
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);
divisor = siodivisor(comdefaultrclk, gdbdefaultrate);
outb(siogdbiobase + com_dlbl, divisor & 0xff);
outb(siogdbiobase + com_dlbh, divisor >> 8);
outb(siogdbiobase + com_cfcr, cfcr);
siocnopen(&sp, siogdbiobase, gdbdefaultrate);

4
sys/pc98/pc98/sio_cbus.c
View file

@ -82,14 +82,14 @@ sio_isa_probe(dev)
break;
}
#endif
return (sioprobe(dev, 0, 0));
return (sioprobe(dev, 0, 0UL, 0));
}
static int
sio_isa_attach(dev)
device_t dev;
{
return (sioattach(dev, 0));
return (sioattach(dev, 0, 0UL));
}
DRIVER_MODULE(sio, isa, sio_isa_driver, sio_devclass, 0, 0);