77 lines
1.6 KiB
C
77 lines
1.6 KiB
C
#include "u.h"
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#include "../port/lib.h"
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#include "mem.h"
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#include "dat.h"
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#include "fns.h"
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#include "io.h"
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#include "ureg.h"
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#include "../port/error.h"
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/*
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* PCMCIA modem.
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* By default, this will set it up with the port and irq of
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* COM2 unless a serialx=type=com line is found in plan9.ini.
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* The assumption is that a laptop with a pcmcia will have only
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* one com port.
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*/
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enum {
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Maxcard= 8,
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};
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static char* modems[] = {
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"IBM 33.6 Data/Fax/Voice Modem",
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"CM-56G", /* Xircom CreditCard Modem 56 - GlobalACCESS */
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"KeepInTouch",
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"CEM56",
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"MONTANA V.34 FAX/MODEM", /* Motorola */
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"REM10",
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"GSM/GPRS",
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"AirCard 555",
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"Gold Card Global", /* Psion V90 Gold card */
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"Merlin UMTS Modem", /* Novatel card */
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0,
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};
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void
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pcmciamodemlink(void)
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{
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ISAConf isa;
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int i, j, slot, com2used, usingcom2;
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i = 0;
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com2used = 0;
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for(j = 0; modems[j]; j++){
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memset(&isa, 0, sizeof(isa));
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/* look for a configuration line */
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for(; i < Maxcard; i++){
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if(isaconfig("serial", i, &isa))
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if(cistrcmp(isa.type, "com") == 0)
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break;
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memset(&isa, 0, sizeof(isa));
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}
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usingcom2 = 0;
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if (isa.irq == 0 && isa.port == 0) {
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if (com2used == 0) {
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/* default is COM2 */
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isa.irq = 3;
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isa.port = 0x2F8;
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usingcom2 = 1;
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} else
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break;
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}
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slot = pcmspecial(modems[j], &isa);
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if(slot >= 0){
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if(usingcom2)
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com2used = 1;
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if(ioalloc(isa.port, 8, 0, modems[j]) < 0)
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print("%s port %lux already in use\n",
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modems[j], isa.port);
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print("%s in pcmcia slot %d port 0x%lux irq %d\n",
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modems[j], slot, isa.port, isa.irq);
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}
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}
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}
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