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Added some handling code to work with SLI configs, and removed some unused

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older code that was phased out but not removed, heh.
This commit is contained in:
Coleman Kane 2000-10-10 03:51:54 +00:00
parent ed539fcc50
commit 67072510e8
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=66910
1 changed files with 28 additions and 17 deletions
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45
sys/dev/tdfx/tdfx_pci.c
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@ -456,43 +456,54 @@ tdfx_mmap(dev_t dev, vm_offset_t offset, int nprot)
* associated with this device be mapped for the process to work with. Nprot
* holds the protections requested, PROT_READ, PROT_WRITE, or both.
*/
struct tdfx_softc* tdfx_info;
/**** OLD GET CONFIG ****/
/* struct tdfx_softc* tdfx_info; */
/* Get the configuration for our card XXX*/
tdfx_info = (struct tdfx_softc*)devclass_get_softc(tdfx_devclass,
UNIT(minor(dev)));
/*tdfx_info = (struct tdfx_softc*)devclass_get_softc(tdfx_devclass,
UNIT(minor(dev)));*/
/************************/
struct tdfx_softc* tdfx_info[2];
tdfx_info[0] = (struct tdfx_softc*)devclass_get_softc(tdfx_devclass, 0);
/* If, for some reason, its not configured, we bail out */
if(tdfx_info == NULL) {
if(tdfx_info[0] == NULL) {
#ifdef DEBUG
printf("tdfx: tdfx_info (softc) is NULL\n");
#endif
return -1;
}
/* We must stay within the bound of our address space */
if((offset & 0xff000000) == tdfx_info->addr0)
if((offset & 0xff000000) == tdfx_info[0]->addr0) {
offset &= 0xffffff;
return atop(rman_get_start(tdfx_info[0]->memrange) + offset);
}
if(tdfx_count > 1) {
tdfx_info[1] = (struct tdfx_softc*)devclass_get_softc(tdfx_devclass, 1);
if((offset & 0xff000000) == tdfx_info[1]->addr0) {
offset &= 0xffffff;
return atop(rman_get_start(tdfx_info[1]->memrange) + offset);
}
}
/* See if the Banshee/V3 LFB is being requested */
if(tdfx_info->memrange2 != NULL && (offset & 0xff000000) ==
/*if(tdfx_info->memrange2 != NULL && (offset & 0xff000000) ==
tdfx_info->addr1) {
offset &= 0xffffff;
return atop(rman_get_start(tdfx_info->memrange2) + offset);
}
if((offset >= 0x1000000) || (offset < 0)) {
#ifdef DEBUG
printf("tdfx: offset %x out of range\n", offset);
#endif
return -1;
}
return atop(rman_get_start(tdfx_info[1]->memrange2) + offset);
}*/ /* VoodooNG code */
/* The ret call */
/* atop -> address to page
* rman_get_start, get the (struct resource*)->r_start member,
* the mapping base address.
*/
return atop(rman_get_start(tdfx_info->memrange) + offset);
return -1;
}
static int