3 * NetWatch system management mode administration console
5 * Copyright (c) 2008 Jacob Potter and Joshua Wise. All rights reserved.
6 * This program is free software; you can redistribute and/or modify it under
7 * the terms found in the file LICENSE in the root of this source tree.
21 static void tnt2_getvmode(void *priv);
23 static struct fbdevice tnt2_fb = {
24 .getvmode = &tnt2_getvmode,
27 static unsigned int vgard(unsigned char a)
30 return (unsigned int)inb(0x3D5);
33 static void tnt2_getvmode(void *priv)
35 tnt2_fb.curmode.xres = (vgard(0x1) + 1) * 8;
36 tnt2_fb.curmode.yres = (vgard(0x12) | (vgard(0x7) & 2) << 7 | (vgard(0x7) & 0x40) << 3) + 1;
40 tnt2_fb.curmode.format = FB_RGB888;
41 tnt2_fb.curmode.bytestride = 4;
42 tnt2_fb.curmode.text = 0;
43 tnt2_fb.checksum_rect = checksum_rect_generic32;
44 tnt2_fb.copy_pixels = copy_pixels_generic32;
47 tnt2_fb.curmode.text = 1;
48 tnt2_fb.checksum_rect = text_checksum;
49 tnt2_fb.copy_pixels = text_render;
52 tnt2_fb.curmode.text = 1;
53 tnt2_fb.checksum_rect = text_checksum;
54 tnt2_fb.copy_pixels = text_render;
55 outputf("Unknown TNT2 format %x", vgard(0x28));
60 static int tnt2_probe(struct pci_dev *pci, void *data)
64 if (pci->bars[1].type != PCI_BAR_MEMORY32)
66 output("TNT2 BAR1 is not memory32?");
70 /* Map 32M of memory. */
71 for (p = 0; p < 32; p += 4)
72 addmap_4m(0x40000000 + p*1024*1024, pci->bars[1].addr + p*1024*1024);
73 tnt2_fb.fbaddr = (void *)0x40000000;
76 outputf("Found TNT2 with FB at %08x, mapped to %08x", pci->bars[1].addr, tnt2_fb.fbaddr);
80 static struct pci_id tnt2_pci[] = {
81 {0x10DE, 0x0028, "TNT2", "RIVA TNT2"}
84 struct pci_driver tnt2_driver = {
88 .id_count = sizeof(tnt2_pci)/sizeof(tnt2_pci[0]),