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/* Pci/pcmcia code for wavelan.c */
#include "u.h"
#include "../port/lib.h"
#include "mem.h"
#include "dat.h"
#include "fns.h"
#include "io.h"
#include "../port/error.h"
#include "../port/netif.h"
#include "etherif.h"
#include "wavelan.h"
static int
wavelanpcmciareset(Ether *ether)
{
int i;
char *p;
Ctlr *ctlr;
if((ctlr = malloc(sizeof(Ctlr))) == nil)
return -1;
ilock(ctlr);
ctlr->ctlrno = ether->ctlrno;
if (ether->port==0)
ether->port=WDfltIOB;
ctlr->iob = ether->port;
if (ether->irq==0)
ether->irq=WDfltIRQ;
if (ioalloc(ether->port,WIOLen,0,"wavelan")<0){
// print("#l%d: port 0x%lx in use\n",
// ether->ctlrno, ether->port);
goto abort1;
}
/*
* If id= is specified, card must match. Otherwise try generic.
*/
ctlr->slot = -1;
for(i=0; i<ether->nopt; i++){
if(cistrncmp(ether->opt[i], "id=", 3) == 0){
if((ctlr->slot = pcmspecial(ðer->opt[i][3], ether)) < 0)
goto abort;
break;
}
}
if(ctlr->slot == -1){
for (i=0; wavenames[i]; i++)
if((ctlr->slot = pcmspecial(wavenames[i], ether))>=0)
break;
if(!wavenames[i]){
DEBUG("no wavelan found\n");
goto abort;
}
}
// DEBUG("#l%d: port=0x%lx irq=%ld\n",
// ether->ctlrno, ether->port, ether->irq);
if(wavelanreset(ether, ctlr) < 0){
abort:
iofree(ether->port);
abort1:
iunlock(ctlr);
free(ctlr);
ether->ctlr = nil;
return -1;
}
for(i = 0; i < ether->nopt; i++){
if(p = strchr(ether->opt[i], '='))
*p = ' ';
w_option(ctlr, ether->opt[i], strlen(ether->opt[i]));
}
iunlock(ctlr);
return 0;
}
static struct {
int vid;
int did;
} wavelanpci[] = {
0x1260, 0x3873, /* Intersil Prism2.5 */
0x1737, 0x0019, /* Linksys WPC-11 untested */
};
static Ctlr *ctlrhead, *ctlrtail;
static void
wavelanpciscan(void)
{
int i;
void *mem;
Pcidev *p;
Ctlr *ctlr;
p = nil;
while(p = pcimatch(p, 0, 0)){
for(i=0; i<nelem(wavelanpci); i++)
if(p->vid == wavelanpci[i].vid && p->did == wavelanpci[i].did)
break;
if(i==nelem(wavelanpci))
continue;
/*
* On the Prism, bar[0] is the memory-mapped register address (4KB),
*/
if(p->mem[0].size != 4096){
print("wavelanpci: %.4ux %.4ux: unlikely mmio size\n", p->vid, p->did);
continue;
}
ctlr = malloc(sizeof(Ctlr));
if(ctlr == nil){
print("wavelanpci: can't allocate memory\n");
continue;
}
ctlr->pcidev = p;
mem = vmap(p->mem[0].bar&~0xF, p->mem[0].size);
if(mem == nil){
print("wavelanpci: %.4ux %.4ux: vmap 0x%.8lux %d failed\n", p->vid, p->did, p->mem[0].bar&~0xF, p->mem[0].size);
free(ctlr);
continue;
}
ctlr->mmb = mem;
if(ctlrhead != nil)
ctlrtail->next = ctlr;
else
ctlrhead = ctlr;
ctlrtail = ctlr;
pcisetbme(p);
}
}
static int
wavelanpcireset(Ether *ether)
{
int i;
char *p;
Ctlr *ctlr;
if(ctlrhead == nil)
wavelanpciscan();
/*
* Allow plan9.ini to set vid, did?
*/
for(ctlr=ctlrhead; ctlr!=nil; ctlr=ctlr->next)
if(ctlr->active == 0)
break;
if(ctlr == nil)
return -1;
ctlr->active = 1;
ilock(ctlr);
ether->irq = ctlr->pcidev->intl;
ether->tbdf = ctlr->pcidev->tbdf;
/*
* Really hard reset.
*/
csr_outs(ctlr, WR_PciCor, 0x0080);
delay(250);
csr_outs(ctlr, WR_PciCor, 0x0000);
delay(500);
for(i=0; i<2*10; i++){
if(!(csr_ins(ctlr, WR_Cmd)&WCmdBusy))
break;
delay(100);
}
if(i >= 2*10)
print("wavelan pci %.4ux %.4ux: reset timeout %.4ux\n",
ctlr->pcidev->vid, ctlr->pcidev->did, csr_ins(ctlr, WR_Cmd));
if(wavelanreset(ether, ctlr) < 0){
iunlock(ctlr);
ether->ctlr = nil;
return -1;
}
for(i = 0; i < ether->nopt; i++){
if(p = strchr(ether->opt[i], '='))
*p = ' ';
w_option(ctlr, ether->opt[i], strlen(ether->opt[i]));
}
iunlock(ctlr);
return 0;
}
void
etherwavelanlink(void)
{
addethercard("wavelan", wavelanpcmciareset);
addethercard("wavelanpci", wavelanpcireset);
}
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