コード例 #1
0
adv_error vgaline_mode_set(const vgaline_video_mode* mode)
{
	struct vga_regs regs;

	log_std_modeline_c(("vgaline: mode_set modeline", mode->crtc.pixelclock, mode->crtc.hde, mode->crtc.hrs, mode->crtc.hre, mode->crtc.ht, mode->crtc.vde, mode->crtc.vrs, mode->crtc.vre, mode->crtc.vt, crtc_is_nhsync(&mode->crtc), crtc_is_nvsync(&mode->crtc), crtc_is_doublescan(&mode->crtc), crtc_is_interlace(&mode->crtc)));

	if (vgaline_mode_realize(&regs, mode)!=0) {
		return -1;
	}

	vga_mode_set(&regs);

	if (mode->is_text) {
		vgaline_write_line = vgaline_write_line_text;
		switch (mode->font_y) {
			case 8 :
				vga_font_copy(vga_font_bios_8, 8, 0, 1);
				break;
			case 14 :
				vga_font_copy(vga_font_bios_14, 14, 0, 1);
				break;
			case 16 :
				vga_font_copy(vga_font_bios_16, 16, 0, 1);
				break;
		}
		vga_palette_raw_set(vga_palette_bios_text, 0, 256);
	} else {
		vgaline_write_line = vgaline_write_line_graph;
		vga_palette_raw_set(vga_palette_bios_graph, 0, 256);
	}

	vgaline_state.mode_active = 1;

	return 0;
}
コード例 #2
0
ファイル: vga.c プロジェクト: 0ida/coreboot 
/*
 * set up everything to get a basic 80x25 textmode.
 */
void
vga_textmode_init(void)
{
	vga_sr_write(0x00, 0x01); /* clear reset */
	vga_sr_write(0x01, 0x00);

	/* set up cr */
	vga_cr_mask(0x03, 0x80, 0xE0);
	vga_cr_mask(0x05, 0x00, 0x60);

	vga_cr_write(0x08, 0x00);

	vga_cr_write(0x14, 0x00); /* */

	vga_cr_write(0x17, 0x23);

	vga_palette_init();

	vga_mode_set(640, 648, 680, 776, 792, 800,
		     400, 407, 412, 414, 442, 449, 320);

	vga_cursor_reset();
	vga_frame_set(0, 0);

	vga_fb_init();
	vga_fb_clear();
	vga_font_8x16_load();

	vga_sr_mask(0x00, 0x02, 0x02); /* take us out of reset */
	vga_cr_mask(0x17, 0x80, 0x80); /* sync! */
}