## diffname pc/ns16552.h 1994/0902
## diff -e /dev/null /n/fornaxdump/1994/0902/sys/src/brazil/pc/ns16552.h
0a
/*
* PC specific code for the ns16552. It includes support for the 2 built
* in uarts plus up to 5 MP-008 8 uart ISA cards.
*/
enum
{
Maxcard= 5, /* max serial cards */
UartFREQ= 1843200,
Serial= 0,
Modem= 1,
};
#define uartwrreg(u,r,v) outb((u)->port + r, (u)->sticky[r] | (v))
#define uartrdreg(u,r) inb((u)->port + r)
void ns16552setup(ulong, ulong);
/*
* definition of an optional serial card
*/
typedef struct Scard
{
ISAConf; /* card configuration */
int first; /* number of first port */
} Scard;
static Scard *scard[Maxcard]; /* configs for the serial card */
/* power management currently only makes sense on the AT&T safari */
static void
uartpower(int dev, int onoff)
{
switch(dev){
case Modem:
if(modem(onoff) < 0)
print("can't turn %s modem speaker\n", onoff?"on":"off");
break;
case Serial:
if(serial(onoff) < 0)
print("can't turn %s serial port power\n", onoff?"on":"off");
break;
}
}
/*
* handle an interrupt to a single uart
*/
static void
ns16552intrx(Ureg *ur, void *arg)
{
USED(ur);
ns16552intr((ulong)arg);
}
/*
* interrupts from the multiport card, MP-008. A polling port
* tells which of 8 devices interrupted.
*/
static void
mp008intr(Ureg *ur, void *arg)
{
int i, loops;
uchar n;
Scard *mp;
USED(ur);
mp = arg;
for(loops = 0;; loops++){
if(loops > 1024)
panic("mp008intr");
n = ~inb(mp->mem);
if(n == 0)
return;
for(i = 0; n; i++){
if(n & 1)
ns16552intrx(ur, uart[mp->first+i]);
n >>= 1;
}
}
}
/*
* install the uarts (called by reset)
*/
static void
ns16552install(void)
{
int i, j, port;
Scard *sc;
/* first two ports are always there and always the normal frequency */
ns16552setup(0x3F8, UartFREQ);
setvec(Uart0vec, ns16552intrx, (void*)0);
ns16552setup(0x2F8, UartFREQ);
setvec(Uart1vec, ns16552intrx, (void*)1);
/* the rest come out of plan9.ini */
for(i = 0; i < Maxcard; i++){
sc = scard[i] = xalloc(sizeof(Scard));
if(isaconfig("serial", i, sc) == 0){
xfree(sc);
break;
}
if(strcmp(sc->type, "MP008") == 0 || strcmp(sc->type, "mp008") == 0){
/*
* port gives base port address for uarts
* irq is interrupt
* mem is the polling port
* size is the number of serial ports on the same polling port
* freq is the baud rate generator frequency
*/
if(sc->size == 0)
sc->size = 8;
if(sc->freq == 0)
sc->freq = UartFREQ;
sc->first = nuart;
setvec(Int0vec+sc->irq, mp008intr, sc);
port = sc->port;
for(j=0; j < sc->size; j++){
ns16552setup(port, sc->freq);
port += 8;
}
} else {
/*
* port gives base port address for the uart
* irq is interrupt
* freq is the baud rate generator frequency
*/
ns16552setup(sc->port, sc->freq);
setvec(Int0vec+sc->irq, ns16552intrx, (void*)(nuart-1));
}
}
}
int
iprint(char *fmt, ...)
{
char buf[PRINTSIZE];
int n;
n = doprint(buf, buf+sizeof(buf), fmt, (&fmt+1)) - buf;
screenputs(buf, n);
return n;
}
.
## diffname pc/ns16552.h 1994/1006
## diff -e /n/fornaxdump/1994/0902/sys/src/brazil/pc/ns16552.h /n/fornaxdump/1994/1006/sys/src/brazil/pc/ns16552.h
77c
ns16552intrx(ur, (void*)(mp->first+i));
.
69,71c
for(loops = 0; loops < 1024; loops++){
.
## diffname pc/ns16552.h 1994/1007
## diff -e /n/fornaxdump/1994/1006/sys/src/brazil/pc/ns16552.h /n/fornaxdump/1994/1007/sys/src/brazil/pc/ns16552.h
94a
/* set up a serial console */
p = getconf("console");
if(p)
ns16552special(atoi(p), 9600, &kbdq, &printq, kbdcr2nl);
.
89a
if(already)
return;
already = 1;
.
88a
static int already;
.
87a
char *p;
.
84c
void
.
## diffname pc/ns16552.h 1994/1106
## diff -e /n/fornaxdump/1994/1007/sys/src/brazil/pc/ns16552.h /n/fornaxdump/1994/1106/sys/src/brazil/pc/ns16552.h
139a
if(sc->freq == 0)
sc->freq = UartFREQ;
.
134c
} else if(strcmp(sc->type, "com") == 0 || strcmp(sc->type, "COM") == 0){
.
## diffname pc/ns16552.h 1994/1108
## diff -e /n/fornaxdump/1994/1106/sys/src/brazil/pc/ns16552.h /n/fornaxdump/1994/1108/sys/src/brazil/pc/ns16552.h
142c
sprint(name, "eia%d00", i);
ns16552setup(sc->port, sc->freq, name);
.
131c
sprint(name, "eia%d%2.2d", i, j);
ns16552setup(port, sc->freq, name);
.
99c
ns16552setup(0x2F8, UartFREQ, "eia1");
.
97c
ns16552setup(0x3F8, UartFREQ, "eia0");
.
89a
char name[NAMELEN];
.
17c
void ns16552setup(ulong, ulong, char*);
.
## diffname pc/ns16552.h 1994/1118
## diff -e /n/fornaxdump/1994/1108/sys/src/brazil/pc/ns16552.h /n/fornaxdump/1994/1118/sys/src/brazil/pc/ns16552.h
147a
nscard++;
.
144c
sprint(name, "eia%d00", nscard);
.
132c
sprint(name, "eia%d%2.2d", nscard, j);
.
113c
scard[nscard] = 0;
continue;
.
110c
sc = scard[nscard] = xalloc(sizeof(Scard));
.
108a
nscard = 0;
.
87c
int i, j, port, nscard;
.
## diffname pc/ns16552.h 1995/0222
## diff -e /n/fornaxdump/1994/1118/sys/src/brazil/pc/ns16552.h /n/fornaxdump/1995/0222/sys/src/brazil/pc/ns16552.h
153,164d
150d
138c
} else if(cistrcmp(sc->type, "com") == 0){
.
118c
if(cistrcmp(sc->type, "MP008") == 0){
.
## diffname pc/ns16552.h 1997/0327
## diff -e /n/fornaxdump/1995/0222/sys/src/brazil/pc/ns16552.h /n/emeliedump/1997/0327/sys/src/brazil/pc/ns16552.h
148c
intrenable(VectorPIC+sc->irq, ns16552intrx, (void*)(nuart-1), BUSUNKNOWN);
.
131c
intrenable(VectorPIC+sc->irq, mp008intr, sc, BUSUNKNOWN);
.
104,106c
if(p = getconf("console")){
port = strtol(p, &q, 0);
if(p != q && (port == 0 || port == 1))
ns16552special(port, 9600, &kbdq, &printq, kbdcr2nl);
}
.
101c
intrenable(VectorUART1, ns16552intrx, (void*)1, BUSUNKNOWN);
addclock0link(uartclock);
.
99c
intrenable(VectorUART0, ns16552intrx, (void*)0, BUSUNKNOWN);
.
88c
char *p, *q;
.
75c
ns16552intrx(ureg, (void*)(mp->first+i));
.
67d
61c
mp008intr(Ureg* ureg, void* arg)
.
51,52d
49c
ns16552intrx(Ureg*, void* arg)
.
39c
if((*arch->serialpower)(onoff) < 0)
.
35c
if((*arch->modempower)(onoff) < 0)
.
18c
void ns16552special(int, int, Queue**, Queue**, int (*)(Queue*, int));
void uartclock(void);
.
## diffname pc/ns16552.h 1998/0221
## diff -e /n/emeliedump/1997/0327/sys/src/brazil/pc/ns16552.h /n/emeliedump/1998/0221/sys/src/brazil/pc/ns16552.h
139c
} else if(cistrcmp(sc->type, "com") == 0 && sc->port != 0x3F8 && sc->port != 0x2F8){
.
## diffname pc/ns16552.h 1998/0910
## diff -e /n/emeliedump/1998/0221/sys/src/brazil/pc/ns16552.h /n/emeliedump/1998/0910/sys/src/brazil/pc/ns16552.h
99c
intrenable(IrqUART1, ns16552intrx, (void*)1, BUSUNKNOWN);
.
97c
intrenable(IrqUART0, ns16552intrx, (void*)0, BUSUNKNOWN);
.
## diffname pc/ns16552.h 1998/0918
## diff -e /n/emeliedump/1998/0910/sys/src/brazil/pc/ns16552.h /n/emeliedump/1998/0918/sys/src/brazil/pc/ns16552.h
149c
intrenable(sc->irq, ns16552intrx, (void*)(nuart-1), BUSUNKNOWN);
.
132c
intrenable(sc->irq, mp008intr, sc, BUSUNKNOWN);
.
## diffname pc/ns16552.h 1999/0513
## diff -e /n/emeliedump/1998/0918/sys/src/brazil/pc/ns16552.h /n/emeliedump/1999/0513/sys/src/brazil/pc/ns16552.h
148c
ns16552setup(sc->port, sc->freq, name, Ns550);
.
138a
} else if(cistrcmp(sc->type, "turbo650") == 0){
/*
* port gives base port address for the uart
* irq is interrupt
* freq is the baud rate generator frequency
*/
if(sc->freq == 0)
sc->freq = UartFREQ*4;
sprint(name, "eia%d00", nscard);
ns16552setup(sc->port, sc->freq, name, Ns650);
/*
* multiply clock speed by 4
*/
if(sc->mem == 0)
outb(0x2c8, 0);
else
outb(sc->mem, 0);
intrenable(sc->irq, ns16552intrx, (void*)(nuart-1), BUSUNKNOWN);
.
136c
ns16552setup(port, sc->freq, name, Ns550);
.
98c
ns16552setup(0x2F8, UartFREQ, "eia1", Ns550);
.
96c
ns16552setup(0x3F8, UartFREQ, "eia0", Ns550);
.
17c
void ns16552setup(ulong, ulong, char*, int);
.
## diffname pc/ns16552.h 1999/0714
## diff -e /n/emeliedump/1999/0513/sys/src/brazil/pc/ns16552.h /n/emeliedump/1999/0714/sys/src/brazil/pc/ns16552.h
167a
if(ioalloc(sc->port, 8, 0, name) < 0){
print("%s: port %lud in use\n", name, sc->port);
xfree(sc);
scard[nscard] = 0;
continue;
}
.
147a
if(ioalloc(sc->port, 8, 0, name) < 0){
print("%s: port %lud in use\n", name, sc->port);
xfree(sc);
scard[nscard] = 0;
continue;
}
.
131a
if(ioalloc(sc->port, 8*sc->size, 0, "mp008") < 0){
print("mp008: port %lud in use\n", sc->port);
xfree(sc);
scard[nscard] = 0;
continue;
}
.
97a
if(ioalloc(0x2F8, 8, 0, "eia1") < 0)
print("eia1: port %d in use\n", 0x2F8);
.
95a
if(ioalloc(0x3f8, 8, 0, "eia0") < 0)
print("eia0: port %d in use\n", 0x3f8);
.
## diffname pc/ns16552.h 1999/0819
## diff -e /n/emeliedump/1999/0714/sys/src/brazil/pc/ns16552.h /n/emeliedump/1999/0819/sys/src/brazil/pc/ns16552.h
191c
intrenable(sc->irq, ns16552intrx, (void*)(nuart-1), BUSUNKNOWN, name);
.
183d
174c
intrenable(sc->irq, ns16552intrx, (void*)(nuart-1), BUSUNKNOWN, name);
.
157d
142c
intrenable(sc->irq, mp008intr, sc, BUSUNKNOWN, name);
.
136c
if(ioalloc(sc->port, 8*sc->size, 0, name) < 0){
.
122a
snprint(name, sizeof name, "eia%d00", nscard);
.
103c
intrenable(IrqUART1, ns16552intrx, (void*)1, BUSUNKNOWN, "eia1");
.
99c
intrenable(IrqUART0, ns16552intrx, (void*)0, BUSUNKNOWN, "eia0");
.
## diffname pc/ns16552.h 2000/0613
## diff -e /n/emeliedump/1999/0819/sys/src/brazil/pc/ns16552.h /n/emeliedump/2000/0613/sys/src/9/pc/ns16552.h
95,103c
/* first two ports are usually there and always the normal frequency */
ns16552default("eia0", 0x3F8, IrqUART0);
ns16552default("eia1", 0x2F8, IrqUART1);
.
79a
* install a default serial port on a PC unless
* name=disabled is set in plan9.ini
*/
void
ns16552default(char *name, int port, int irq)
{
char *p;
if((p = getconf(name)) && strncmp(p, "disabled", 8) == 0)
return;
if(ioalloc(port, 8, 0, name) < 0) {
print("%s: port %x in use\n", name, port);
return;
}
ns16552setup(port, UartFREQ, name, Ns550);
intrenable(irq, ns16552intrx, (void*)(nuart-1), BUSUNKNOWN, name);
}
/*
.
## diffname pc/ns16552.h 2000/1011
## diff -e /n/emeliedump/2000/0613/sys/src/9/pc/ns16552.h /n/emeliedump/2000/1011/sys/src/9/pc/ns16552.h
126,127c
if(p != q && (port == 0 || port == 1)) {
baud = 0;
if(p = getconf("baud"))
baud = strtoul(p, 0, 0);
if(baud == 0)
baud = 9600;
ns16552special(port, baud, &kbdq, &printq, kbdcr2nl);
}
.
107c
int i, j, port, nscard, baud;
.
## diffname pc/ns16552.h 2001/0527 # deleted
## diff -e /n/emeliedump/2000/1011/sys/src/9/pc/ns16552.h /n/emeliedump/2001/0527/sys/src/9/pc/ns16552.h
1,217d
|
