2001/0822/pc/vgavmware.c (diff list | history)

pc/vgavmware.c on 2001/0822
2001/0822		#include "u.h" #include "../port/lib.h" #include "mem.h" #include "dat.h" #include "fns.h" #include "io.h" #include "../port/error.h" #define Image IMAGE #include <draw.h> #include <memdraw.h> #include <cursor.h> #include "screen.h" enum { PCIVMWARE = 0x15AD, /* PCI VID */ VMWARE1 = 0x0710, /* PCI DID */ VMWARE2 = 0x0405, }; enum { Rid = 0, Renable, Rwidth, Rheight, Rmaxwidth, Rmaxheight, Rdepth, Rbpp, Rpseudocolor, Rrmask, Rgmask, Rbmask, Rbpl, Rfbstart, Rfboffset, Rfbmaxsize, Rfbsize, Rcap, Rmemstart, Rmemsize, Rconfigdone, Rsync, Rbusy, Rguestid, Rcursorid, Rcursorx, Rcursory, Rcursoron, Nreg, Rpalette = 1024, }; typedef struct Vmware Vmware; struct Vmware { ulong mmio; ulong fb; ulong ra; ulong rd; ulong r[Nreg]; char chan[32]; int depth; }; Vmware xvm; Vmware *vm=&xvm; static ulong vmrd(Vmware *vm, int i) { outl(vm->ra, i); return inl(vm->rd); } static void vmwr(Vmware *vm, int i, ulong v) { outl(vm->ra, i); outl(vm->rd, v); } static ulong vmwarelinear(VGAscr* scr, int* size, int* align) { char err[64]; ulong aperture, oaperture; int osize, oapsize, wasupamem; Pcidev *p; Physseg seg; osize = *size; oaperture = scr->aperture; oapsize = scr->apsize; wasupamem = scr->isupamem; p = pcimatch(nil, PCIVMWARE, 0); if(p == nil) error("no vmware card found"); switch(p->did){ default: snprint(err, sizeof err, "unknown vmware id %.4ux", p->did); error(err); case VMWARE1: vm->ra = 0x4560; vm->rd = 0x4560+4; break; case VMWARE2: vm->ra = p->mem[0].bar&~3; vm->rd = vm->ra + 1; } aperture = (ulong)(vmrd(vm, Rfbstart)); *size = vmrd(vm, Rfbsize); if(wasupamem) upafree(oaperture, oapsize); scr->isupamem = 0; aperture = upamalloc(aperture, *size, *align); if(aperture == 0){ if(wasupamem && upamalloc(oaperture, oapsize, 0)) scr->isupamem = 1; }else scr->isupamem = 1; if(oaperture) print("warning (BUG): redefinition of aperture does not change vmwarescreen segment\n"); memset(&seg, 0, sizeof(seg)); seg.attr = SG_PHYSICAL; seg.name = smalloc(32); snprint(seg.name, 32, "vmwarescreen"); seg.pa = aperture; seg.size = osize; addphysseg(&seg); return aperture; } static void vmwaredisable(VGAscr*) { } static void vmwareload(VGAscr*, Cursor*) { } static int vmwaremove(VGAscr*, Point) { return 0; } static void vmwareenable(VGAscr*) { } static void vmwareblank(int) { } static void vmwaredrawinit(VGAscr*) { } VGAdev vgavmwaredev = { "vmware", 0, 0, 0, vmwarelinear, vmwaredrawinit, }; VGAcur vgavmwarecur = { "vmwarehwgc", vmwareenable, vmwaredisable, vmwareload, vmwaremove, };