/*
* $Id$
*
* Copyright (C) 2003-2015 JNode.org
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; If not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package org.jnode.driver.video.ati.radeon;
import org.jnode.driver.video.vgahw.DisplayMode;
import org.jnode.util.NumberUtils;
/**
* @author Ewout Prangsma (epr@users.sourceforge.net)
*/
final class FpRegs implements RadeonConstants {
/* Flat panel regs */
private int fp_crtc_h_total_disp;
private int fp_crtc_v_total_disp;
private int fp_gen_cntl;
private int fp_h_sync_strt_wid;
private int fp_horz_stretch;
private int fp_v_sync_strt_wid;
private int fp_vert_stretch;
private int lvds_gen_cntl;
private int lvds_pll_cntl;
private int tmds_crc;
private int tmds_transmitter_cntl;
/**
* Initialize from a given IO.
*/
public void saveFromVGA(RadeonVgaIO io) {
this.fp_crtc_h_total_disp = io.getReg32(FP_CRTC_H_TOTAL_DISP);
this.fp_crtc_v_total_disp = io.getReg32(FP_CRTC_V_TOTAL_DISP);
this.fp_h_sync_strt_wid = io.getReg32(FP_H_SYNC_STRT_WID);
this.fp_v_sync_strt_wid = io.getReg32(FP_V_SYNC_STRT_WID);
this.fp_horz_stretch = io.getReg32(FP_HORZ_STRETCH);
this.fp_vert_stretch = io.getReg32(FP_VERT_STRETCH);
this.fp_gen_cntl = io.getReg32(FP_GEN_CNTL);
this.lvds_gen_cntl = io.getReg32(LVDS_GEN_CNTL);
this.lvds_pll_cntl = io.getReg32(LVDS_PLL_CNTL);
this.tmds_crc = io.getReg32(TMDS_CRC);
this.tmds_transmitter_cntl = io.getReg32(TMDS_TRANSMITTER_CNTL);
}
/**
* Save this state to VGA.
*/
public final void restoreToVGA(RadeonVgaIO io) {
io.setReg32(FP_CRTC_H_TOTAL_DISP, fp_crtc_h_total_disp);
io.setReg32(FP_CRTC_V_TOTAL_DISP, fp_crtc_v_total_disp);
io.setRegP32(FP_GEN_CNTL, fp_gen_cntl, FP_SEL_CRTC2);
io.setReg32(FP_H_SYNC_STRT_WID, fp_h_sync_strt_wid);
// io.setReg32(FP_HORZ_STRETCH, fp_horz_stretch);
io.setReg32(FP_V_SYNC_STRT_WID, fp_v_sync_strt_wid);
// io.setReg32(FP_VERT_STRETCH, fp_vert_stretch);
io.setRegP32(LVDS_GEN_CNTL, lvds_gen_cntl, LVDS_ON | LVDS_BLON);
// io.setReg32(LVDS_PLL_CNTL, lvds_pll_cntl);
io.setReg32(TMDS_CRC, tmds_crc);
io.setReg32(TMDS_TRANSMITTER_CNTL, tmds_transmitter_cntl);
}
/**
* Set this state up for a given configuration;
*
* @param config
* @param io
*/
final void calcForConfiguration(RadeonConfiguration config, PLLInfo pllInfo, RadeonVgaIO io,
FBInfo fbinfo, CrtcRegs crtc) {
final DisplayMode mode = config.getDisplayMode();
@SuppressWarnings("unused")
final int bpp = config.getBitsPerPixel();
final int panel_xres = fbinfo.getPanelXres();
final int panel_yres = fbinfo.getPanelYres();
final int xres = Math.max(mode.getWidth(), panel_xres);
final int yres = Math.max(mode.getHeight(), panel_yres);
final float hRatio = (float) xres / (float) panel_xres;
final float vRatio = (float) yres / (float) panel_yres;
if ((hRatio == 1.0f) || true) {
fp_horz_stretch &= ~(HORZ_STRETCH_BLEND | HORZ_STRETCH_ENABLE);
fp_horz_stretch &= ~(HORZ_AUTO_RATIO | HORZ_PANEL_SIZE);
fp_horz_stretch |= ((xres / 8 - 1) << 16);
} else {
fp_horz_stretch =
(((int) ((hRatio * HORZ_STRETCH_RATIO_MAX + 0.5)) & HORZ_STRETCH_RATIO_MASK)) |
(fp_horz_stretch & (HORZ_PANEL_SIZE | HORZ_FP_LOOP_STRETCH | HORZ_AUTO_RATIO_INC));
fp_horz_stretch |= (HORZ_STRETCH_BLEND | HORZ_STRETCH_ENABLE);
fp_horz_stretch &= ~(HORZ_AUTO_RATIO | HORZ_PANEL_SIZE);
fp_horz_stretch |= ((panel_xres / 8 - 1) << HORZ_PANEL_SHIFT);
}
if ((vRatio == 1.0f) || true) {
fp_vert_stretch &= ~(VERT_STRETCH_ENABLE | VERT_STRETCH_BLEND);
fp_vert_stretch &= ~(VERT_AUTO_RATIO_EN | VERT_PANEL_SIZE);
fp_vert_stretch |= ((yres - 1) << 12);
} else {
fp_vert_stretch = (((((int) (vRatio * VERT_STRETCH_RATIO_MAX + 0.5)) & VERT_STRETCH_RATIO_MASK)) |
(fp_vert_stretch & (VERT_PANEL_SIZE | VERT_STRETCH_RESERVED)));
fp_vert_stretch |= (VERT_STRETCH_ENABLE | VERT_STRETCH_BLEND);
fp_vert_stretch &= ~(VERT_AUTO_RATIO_EN | VERT_PANEL_SIZE);
fp_vert_stretch |= ((panel_yres - 1) << VERT_PANEL_SHIFT);
}
fp_gen_cntl &= ~(FP_SEL_CRTC2 | FP_RMX_HVSYNC_CONTROL_EN | FP_DFP_SYNC_SEL | FP_CRT_SYNC_SEL |
/* FP_CRTC_LOCK_8DOT | FP_USE_SHADOW_EN | */ FP_CRTC_USE_SHADOW_VEND | FP_CRT_SYNC_ALT);
fp_gen_cntl |= (FP_CRTC_DONT_SHADOW_VPAR | FP_CRTC_DONT_SHADOW_HEND);
if (fbinfo.getPrimaryMonitorType() == MonitorType.LCD) {
lvds_gen_cntl |= (LVDS_ON | LVDS_BLON);
fp_gen_cntl &= ~(FP_FPON | FP_TMDS_EN);
} else {
/* DFP */
fp_gen_cntl |= (FP_FPON | FP_TMDS_EN);
tmds_transmitter_cntl = (TMDS_RAN_PAT_RST | ICHCSEL | TMDS_PLL_EN) & ~(TMDS_PLLRST);
}
fp_crtc_h_total_disp = crtc.getCrtc_h_total_disp();
fp_crtc_v_total_disp = crtc.getCrtc_v_total_disp();
fp_h_sync_strt_wid = crtc.getCrtc_h_sync_strt_wid();
fp_v_sync_strt_wid = crtc.getCrtc_v_sync_strt_wid();
}
@SuppressWarnings("unused")
private static final int round_div(int num, int den) {
return (num + (den / 2)) / den;
}
public String toString() {
return "fp_crtc_h_total_disp:" + fp_crtc_h_total_disp + ", fp_crtc_v_total_disp:" +
fp_crtc_v_total_disp + ", fp_gen_cntl:0x" + NumberUtils.hex(fp_gen_cntl) +
", fp_h_sync_strt_wid:" + fp_h_sync_strt_wid + ", fp_horz_stretch:" +
fp_horz_stretch + ", fp_v_sync_strt_wid:" + fp_v_sync_strt_wid +
", fp_vert_stretch:" + fp_vert_stretch + ", lvds_gen_cntl:0x" +
NumberUtils.hex(lvds_gen_cntl) + ", lvds_pll_cntl:0x" +
NumberUtils.hex(lvds_pll_cntl) + ", tmds_crc:" + tmds_crc +
", tmds_transmitter_cntl:0x" + NumberUtils.hex(tmds_transmitter_cntl);
}
}