Adding debian version 2.06-3~deb11u6.debian/2.06-3_deb11u6debian

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

4 files changed, 1773 insertions, 0 deletions

diff --git a/debian/grub-extras/915resolution/915resolution.c b/debian/grub-extras/915resolution/915resolution.c
new file mode 100644
index 0000000..0091a66
--- /dev/null
+++ b/debian/grub-extras/915resolution/915resolution.c
@@ -0,0 +1,1081 @@
+/* 915resolution - Utility to change vbemodes on the intel
+ * integrated video chipset */
+
+/*
+ * Based on Nathan Coulson's http://nathancoulson.com/proj/eee/grub-1.96-915resolution-0.5.2-3.patch
+ * Oct 10, 2008, Released as 915
+ * Oct 10, 2008, Updated to include support for 945GM thanks to Scot Doyle
+ */
+
+/* Copied from 915 resolution created by steve tomjenovic
+ * 915 resolution was in the public domain.
+ * 
+ * All I have done, was make the above program run within 
+ * the grub2 environment.  
+ *
+ * Some of the checks are still commented, as I did not find
+ * easy replacement for memmem.
+ *
+ * Slightly edited by Nathan Coulson (conathan@gmail.com)
+ */
+
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2003,2007  Free Software Foundation, Inc.
+ *  Copyright (C) 2003  NIIBE Yutaka <gniibe@m17n.org>
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB 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 General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+/* 915 resolution by steve tomljenovic
+ *
+ * This was tested only on Sony VGN-FS550.  Use at your own risk
+ *
+ * This code is based on the techniques used in :
+ *
+ *   - 855patch.  Many thanks to Christian Zietz (czietz gmx net)
+ *     for demonstrating how to shadow the VBIOS into system RAM
+ *     and then modify it.
+ *
+ *   - 1280patch by Andrew Tipton (andrewtipton null li).
+ *
+ *   - 855resolution by Alain Poirier
+ *
+ * This source code is into the public domain.
+ */
+
+#include <grub/types.h>
+#include <grub/misc.h>
+#include <grub/mm.h>
+#include <grub/err.h>
+#include <grub/dl.h>
+#include <grub/normal.h>
+#include <grub/i386/io.h>
+
+GRUB_MOD_LICENSE ("GPLv3+");
+
+#define printf					grub_printf
+#define malloc					grub_malloc
+#define free					grub_free
+#define strcmp					grub_strcmp
+#define fprintf(stream, ...)			grub_printf(__VA_ARGS__)
+#define strtol(x,y,z)				grub_strtoul(x,y,z)
+#define atoi(x)					grub_strtoul(x,NULL,10)
+#define assert(x)				
+#define memset					grub_memset
+#define outl		grub_outl
+#define outb		grub_outb
+#define inl		grub_inl
+#define inb		grub_inb
+
+#define NEW(a) ((a *)(malloc(sizeof(a))))
+#define FREE(a) (free(a))
+
+#define VBIOS_START         0xc0000
+#define VBIOS_SIZE          0x10000
+
+#define VBIOS_FILE    "/dev/mem"
+
+#define FALSE 0
+#define TRUE 1
+
+#define MODE_TABLE_OFFSET_845G 617
+
+#define RES915_VERSION "0.5.3"
+
+#define ATI_SIGNATURE1 "ATI MOBILITY RADEON"
+#define ATI_SIGNATURE2 "ATI Technologies Inc"
+#define NVIDIA_SIGNATURE "NVIDIA Corp"
+#define INTEL_SIGNATURE "Intel Corp"
+
+#define DEBUG 0
+
+typedef unsigned char * address;
+typedef unsigned char byte;
+typedef unsigned short word;
+typedef unsigned char boolean;
+typedef unsigned int cardinal;
+
+typedef enum {
+    CT_UNKWN, CT_830, CT_845G, CT_855GM, CT_865G, CT_915G, CT_915GM, CT_945G, CT_945GM, CT_945GME,
+    CT_946GZ, CT_G965, CT_Q965, CT_965GM, CT_G33, CT_Q33, CT_Q35, CT_500GMA,
+    CT_GM45,  CT_GMA3150, CT_HD3000
+} chipset_type;
+
+const char *const chipset_type_names[] = {
+    "UNKNOWN", "830",  "845G", "855GM", "865G", "915G", "915GM", "945G", "945GM", "945GME",
+    "946GZ",   "G965", "Q965", "965GM", "G33", "Q33", "Q35", "500GMA",
+    "GM45",    "GMA3150", "HD3000"
+};
+
+typedef enum {
+    BT_UNKWN, BT_1, BT_2, BT_3
+} bios_type;
+
+const char *const bios_type_names[] = {"UNKNOWN", "TYPE 1", "TYPE 2", "TYPE 3"};
+
+int freqs[] = { 60, 75, 85 };
+
+typedef struct {
+    byte mode;
+    byte bits_per_pixel;
+    word resolution;
+    byte unknown;
+} __attribute__((packed)) vbios_mode;
+
+typedef struct {
+    byte unknow1[2];
+    byte x1;
+    byte x_total;
+    byte x2;
+    byte y1;
+    byte y_total;
+    byte y2;
+} __attribute__((packed)) vbios_resolution_type1;
+
+typedef struct {
+    unsigned long clock;
+
+    word x1;
+    word htotal;
+    word x2;
+    word hblank;
+    word hsyncstart;
+    word hsyncend;
+
+    word y1;
+    word vtotal;
+    word y2;
+    word vblank;
+    word vsyncstart;
+    word vsyncend;
+} __attribute__((packed)) vbios_modeline_type2;
+
+typedef struct {
+    byte xchars;
+    byte ychars;
+    byte unknown[4];
+
+    vbios_modeline_type2 modelines[];
+} __attribute__((packed)) vbios_resolution_type2;
+
+typedef struct {
+    unsigned long clock;
+
+    word x1;
+    word htotal;
+    word x2;
+    word hblank;
+    word hsyncstart;
+    word hsyncend;
+
+    word y1;
+    word vtotal;
+    word y2;
+    word vblank;
+    word vsyncstart;
+    word vsyncend;
+
+    word timing_h;
+    word timing_v;
+
+    byte unknown[6];
+} __attribute__((packed)) vbios_modeline_type3;
+
+typedef struct {
+    unsigned char unknown[6];
+
+    vbios_modeline_type3 modelines[];
+} __attribute__((packed)) vbios_resolution_type3;
+
+
+typedef struct {
+    cardinal chipset_id;
+    chipset_type chipset;
+    bios_type bios;
+    
+    int bios_fd;
+    address bios_ptr;
+
+    vbios_mode * mode_table;
+    cardinal mode_table_size;
+
+    byte b1, b2;
+
+    boolean unlocked;
+} vbios_map;
+
+
+static cardinal get_chipset_id(void) {
+    outl(0x80000000, 0xcf8);
+    return inl(0xcfc);
+}
+
+static chipset_type get_chipset(cardinal id) {
+    chipset_type type;
+    
+    switch (id) {
+    case 0x35758086:
+        type = CT_830;
+        break;
+
+    case 0x25608086:
+        type = CT_845G;
+        break;
+        
+    case 0x35808086:
+        type = CT_855GM;
+        break;
+        
+    case 0x25708086:
+        type = CT_865G;
+        break;
+
+    case 0x25808086:
+	type = CT_915G;
+	break;
+
+    case 0x25908086:
+        type = CT_915GM;
+        break;
+
+    case 0x27708086:
+        type = CT_945G;
+        break;
+
+    case 0x27a08086:
+        type = CT_945GM;
+        break;
+
+    case 0x27ac8086:
+        type = CT_945GME;
+        break;
+
+    case 0x29708086:
+        type = CT_946GZ;
+        break;
+
+    case 0x29a08086:
+	type = CT_G965;
+	break;
+
+    case 0x29908086:
+        type = CT_Q965;
+        break;
+
+    case 0x2a008086:
+        type = CT_965GM;
+        break;
+
+    case 0x29c08086:
+        type = CT_G33;
+        break;
+
+    case 0x29b08086:
+        type = CT_Q35;
+        break;
+
+    case 0x29d08086:
+        type = CT_Q33;
+        break;
+
+    case 0x81008086:
+      type = CT_500GMA;
+      break;
+
+    case 0xa0008086:
+        type = CT_GMA3150;
+        break;
+
+    case 0xa0108086:
+        type = CT_GMA3150;
+        break;
+
+    case 0x01048086:
+        type = CT_HD3000;
+        break;
+
+    case 0x2a408086:
+        type = CT_GM45;
+        break;
+
+    case 0x2a018086:
+        type = CT_965GM;
+        break;
+
+    case 0x2a028086:
+        type = CT_965GM;
+        break;
+
+    default:
+        type = CT_UNKWN;
+        break;
+    }
+
+    return type;
+}
+
+
+static vbios_resolution_type1 * map_type1_resolution(vbios_map * map, word res) {
+    vbios_resolution_type1 * ptr = ((vbios_resolution_type1*)(map->bios_ptr + res)); 
+    return ptr;
+}
+
+static vbios_resolution_type2 * map_type2_resolution(vbios_map * map, word res) {
+    vbios_resolution_type2 * ptr = ((vbios_resolution_type2*)(map->bios_ptr + res)); 
+    return ptr;
+}
+
+static vbios_resolution_type3 * map_type3_resolution(vbios_map * map, word res) {
+    vbios_resolution_type3 * ptr = ((vbios_resolution_type3*)(map->bios_ptr + res)); 
+    return ptr;
+}
+
+
+static boolean detect_bios_type(vbios_map * map, int entry_size) {
+    unsigned i;
+    short int r1, r2;
+    
+    r1 = r2 = 32000;
+
+    for (i=0; i < map->mode_table_size; i++) {
+        if (map->mode_table[i].resolution <= r1) {
+            r1 = map->mode_table[i].resolution;
+    	}
+        else {
+            if (map->mode_table[i].resolution <= r2) {
+            	r2 = map->mode_table[i].resolution;
+            }
+    	}
+
+        /*printf("r1 = %d  r2 = %d\n", r1, r2);*/
+    }
+
+    return (r2-r1-6) % entry_size == 0;
+}
+
+
+static void close_vbios(vbios_map * map);
+
+
+static vbios_map * open_vbios(chipset_type forced_chipset) {
+    vbios_map * map = NEW(vbios_map);
+    memset (map, 0, sizeof(vbios_map));
+
+    /*
+     * Determine chipset
+     */
+
+    if (forced_chipset == CT_UNKWN) {
+        map->chipset_id = get_chipset_id();
+
+        map->chipset = get_chipset(map->chipset_id);
+    }
+    else if (forced_chipset != CT_UNKWN) {
+        map->chipset = forced_chipset;
+    }
+    else {
+        map->chipset = CT_915GM;
+    }
+    
+    /*
+     *  Map the video bios to memory
+     */
+
+    map->bios_ptr = (unsigned char *) VBIOS_START;
+
+#if 0
+    /*
+     * check if we have ATI Radeon
+     */
+    
+    if (memmem(map->bios_ptr, VBIOS_SIZE, ATI_SIGNATURE1, strlen(ATI_SIGNATURE1)) ||
+        memmem(map->bios_ptr, VBIOS_SIZE, ATI_SIGNATURE2, strlen(ATI_SIGNATURE2)) ) {
+        fprintf(stderr, "ATI chipset detected.  915resolution only works with Intel 800/900 series graphic chipsets.\n");
+        close(map->bios_fd);
+        exit(2);
+    }
+
+    /*
+     * check if we have NVIDIA
+     */
+    
+    if (memmem(map->bios_ptr, VBIOS_SIZE, NVIDIA_SIGNATURE, strlen(NVIDIA_SIGNATURE))) {
+        fprintf(stderr, "NVIDIA chipset detected.  915resolution only works with Intel 800/900 series graphic chipsets.\n");
+        close(map->bios_fd);
+        exit(2);
+    }
+
+    /*
+     * check if we have Intel
+     */
+    
+    if (map->chipset == CT_UNKWN && memmem(map->bios_ptr, VBIOS_SIZE, INTEL_SIGNATURE, strlen(INTEL_SIGNATURE))) {
+        fprintf(stderr, "Intel chipset detected.  However, 915resolution was unable to determine the chipset type.\n");
+
+        fprintf(stderr, "Chipset Id: %x\n", map->chipset_id);
+
+        fprintf(stderr, "Please report this problem to stomljen@yahoo.com\n");
+        
+        close_vbios(map);
+        exit(2);
+    }
+#endif
+
+    /*
+     * check for others
+     */
+
+    if (map->chipset == CT_UNKWN) {
+        fprintf(stderr, "Unknown chipset type and unrecognized bios.\n");
+        fprintf(stderr, "915resolution only works with Intel 800/900 series graphic chipsets.\n");
+
+        fprintf(stderr, "Chipset Id: %x\n", map->chipset_id);
+        close_vbios(map);
+        return 0;
+    }
+
+    /*
+     * Figure out where the mode table is 
+     */
+    
+    {
+        address p = map->bios_ptr + 16;
+        address limit = map->bios_ptr + VBIOS_SIZE - (3 * sizeof(vbios_mode));
+        
+        while (p < limit && map->mode_table == 0) {
+            vbios_mode * mode_ptr = (vbios_mode *) p;
+            
+            if (((mode_ptr[0].mode & 0xf0) == 0x30) && ((mode_ptr[1].mode & 0xf0) == 0x30) &&
+                ((mode_ptr[2].mode & 0xf0) == 0x30) && ((mode_ptr[3].mode & 0xf0) == 0x30)) {
+
+                map->mode_table = mode_ptr;
+            }
+            
+            p++;
+        }
+
+        if (map->mode_table == 0) {
+            fprintf(stderr, "Unable to locate the mode table.\n");
+            fprintf(stderr, "Please run the program 'dump_bios' as root and\n");
+            fprintf(stderr, "email the file 'vbios.dmp' to stomljen@yahoo.com.\n");
+            
+            fprintf(stderr, "Chipset: %s\n", chipset_type_names[map->chipset]);
+            close_vbios(map);
+            return 0;
+        }
+    }
+
+    /*
+     * Determine size of mode table
+     */
+    
+    {
+        vbios_mode * mode_ptr = map->mode_table;
+        
+        while (mode_ptr->mode != 0xff) {
+            map->mode_table_size++;
+            mode_ptr++;
+        }
+    }
+
+    /*
+     * Figure out what type of bios we have
+     *  order of detection is important
+     */
+
+    if (detect_bios_type(map, sizeof(vbios_modeline_type3))) {
+        map->bios = BT_3;
+    }
+    else if (detect_bios_type(map, sizeof(vbios_modeline_type2))) {
+        map->bios = BT_2;
+    }
+    else if (detect_bios_type(map, sizeof(vbios_resolution_type1))) {
+        map->bios = BT_1;
+    }
+    else {
+        fprintf(stderr, "Unable to determine bios type.\n");
+        fprintf(stderr, "Please run the program 'dump_bios' as root and\n");
+        fprintf(stderr, "email the file 'vbios.dmp' to stomljen@yahoo.com.\n");
+
+        fprintf(stderr, "Chipset: %s\n", chipset_type_names[map->chipset]);
+        fprintf(stderr, "Mode Table Offset: $C0000 + $%x\n", ((cardinal)map->mode_table) - ((cardinal)map->bios_ptr));
+        fprintf(stderr, "Mode Table Entries: %u\n", map->mode_table_size);
+        return 0;
+    }
+
+    return map;
+}
+
+static void close_vbios(vbios_map * map) {
+    assert(!map->unlocked);
+
+    FREE(map);
+}
+
+static void unlock_vbios(vbios_map * map) {
+
+    assert(!map->unlocked);
+        
+    map->unlocked = TRUE;
+    
+    switch (map->chipset) {
+    case CT_UNKWN:
+        break;
+    case CT_830:
+    case CT_855GM:
+        outl(0x8000005a, 0xcf8);
+        map->b1 = inb(0xcfe);
+        
+        outl(0x8000005a, 0xcf8);
+        outb(0x33, 0xcfe);
+        break;
+    case CT_845G:
+    case CT_865G:
+    case CT_915G:
+    case CT_915GM:
+    case CT_945G:
+    case CT_945GM:
+    case CT_945GME:
+    case CT_946GZ:
+    case CT_G965:
+    case CT_Q965:
+    case CT_965GM:
+    case CT_G33:
+    case CT_Q35:
+    case CT_Q33:
+    case CT_500GMA:
+    case CT_GM45:
+    case CT_GMA3150:
+    case CT_HD3000:
+        outl(0x80000090, 0xcf8);
+        map->b1 = inb(0xcfd);
+        map->b2 = inb(0xcfe);
+        
+        outl(0x80000090, 0xcf8);
+        outb(0x33, 0xcfd);
+        outb(0x33, 0xcfe);
+        break;
+    }
+
+#if DEBUG
+    {
+        cardinal t = inl(0xcfc);
+        printf("unlock PAM: (0x%08x)\n", t);
+    }
+#endif
+}
+
+static void relock_vbios(vbios_map * map) {
+
+    assert(map->unlocked);
+    map->unlocked = FALSE;
+    
+    switch (map->chipset) {
+    case CT_UNKWN:
+        break;
+    case CT_830:
+    case CT_855GM:
+        outl(0x8000005a, 0xcf8);
+        outb(map->b1, 0xcfe);
+        break;
+    case CT_845G:
+    case CT_865G:
+    case CT_915G:
+    case CT_915GM:
+    case CT_945G:
+    case CT_945GM:
+    case CT_945GME:
+    case CT_946GZ:
+    case CT_G965:
+    case CT_Q965:
+    case CT_965GM:
+    case CT_G33:
+    case CT_Q35:
+    case CT_Q33:
+    case CT_500GMA:
+    case CT_GM45:
+    case CT_GMA3150:
+    case CT_HD3000:
+        outl(0x80000090, 0xcf8);
+        outb(map->b1, 0xcfd);
+        outb(map->b2, 0xcfe);
+        break;
+    }
+
+#if DEBUG
+    {
+        cardinal t = inl(0xcfc);
+        printf("relock PAM: (0x%08x)\n", t);
+    }
+#endif
+}
+
+
+static void list_modes(vbios_map *map, cardinal raw) {
+    cardinal i, x, y;
+
+    for (i=0; i < map->mode_table_size; i++) {
+        switch(map->bios) {
+        case BT_1:
+            {
+                vbios_resolution_type1 * res = map_type1_resolution(map, map->mode_table[i].resolution);
+                
+                x = ((((cardinal) res->x2) & 0xf0) << 4) | res->x1;
+                y = ((((cardinal) res->y2) & 0xf0) << 4) | res->y1;
+                
+                if (x != 0 && y != 0) {
+                    printf("Mode %02x : %dx%d, %d bits/pixel\n", map->mode_table[i].mode, x, y, map->mode_table[i].bits_per_pixel);
+                }
+
+		if (raw)
+		{
+                    printf("Mode %02x (raw) :\n\t%02x %02x\n\t%02x\n\t%02x\n\t%02x\n\t%02x\n\t%02x\n\t%02x\n", map->mode_table[i].mode, res->unknow1[0],res->unknow1[1], res->x1,res->x_total,res->x2,res->y1,res->y_total,res->y2);
+		}
+
+            }
+            break;
+        case BT_2:
+            {
+                vbios_resolution_type2 * res = map_type2_resolution(map, map->mode_table[i].resolution);
+                
+                x = res->modelines[0].x1+1;
+                y = res->modelines[0].y1+1;
+
+                if (x != 0 && y != 0) {
+                    printf("Mode %02x : %dx%d, %d bits/pixel\n", map->mode_table[i].mode, x, y, map->mode_table[i].bits_per_pixel);
+                }
+            }
+            break;
+        case BT_3:
+            {
+                vbios_resolution_type3 * res = map_type3_resolution(map, map->mode_table[i].resolution);
+                
+                x = res->modelines[0].x1+1;
+                y = res->modelines[0].y1+1;
+                
+                if (x != 0 && y != 0) {
+                    printf("Mode %02x : %dx%d, %d bits/pixel\n", map->mode_table[i].mode, x, y, map->mode_table[i].bits_per_pixel);
+                }
+            }
+            break;
+        case BT_UNKWN:
+            break;
+        }
+    }
+}
+
+static void gtf_timings(int x, int y, int freq,
+        unsigned long *clock,
+        word *hsyncstart, word *hsyncend, word *hblank,
+        word *vsyncstart, word *vsyncend, word *vblank)
+{
+    int hbl, vbl, vfreq;
+
+    /*
+      (y+1)/(20000.0/(11*freq) - 1) + 0.5
+      = ((y+1) * (11*freq))/(20000.0 - (11*freq)) + 0.5
+      = ((y+1) * (11*freq) + 10000.0 - (11*freq) / 2)/(20000.0 - (11*freq))
+      = ((y+1) * (11*freq) + 10000.0 - 5 * freq - (freq + 1) / 2)/(20000.0 - (11*freq))
+*/
+    vbl = y + 1 +
+      grub_divmod64 (((y+1) * (11*(long long)freq) + 10000 - 5 * (long long)freq
+		      - (freq + 1) / 2),
+		     (20000 - (11*(long long)freq)), 0);
+    vfreq = vbl * freq;
+    /*
+      (x * (30.0 - 300000.0 / vfreq) /
+      (70.0 + 300000.0 / vfreq) / 16.0 + 0.5)
+      = ((x * (30.0 - 300000.0 / vfreq) /
+          (70.0 + 300000.0 / vfreq) + 8) / 16)
+      = ((x * (30.0 * vfreq - 300000.0) /
+          (70.0 * vfreq + 300000.0) + 8) / 16)
+      = (((x * (30 * vfreq - 300000)) /
+          (70 * vfreq + 300000) + 8) / 16)
+    */
+    hbl = 16 * (int)((grub_divmod64((x * (30 * (long long)vfreq - 300000)),
+				    (70 * (long long)vfreq + 300000), 0)
+		      + 8) / 16);
+
+    *vsyncstart = y;
+    *vsyncend = y + 3;
+    *vblank = vbl - 1;
+    *hsyncstart = x + hbl / 2 - (x + hbl + 50) / 100 * 8 - 1;
+    *hsyncend = x + hbl / 2 - 1;
+    *hblank = x + hbl - 1;
+    *clock = (x + hbl) * vfreq / 1000;
+}
+
+static void set_mode(vbios_map * map, cardinal mode, cardinal x, cardinal y, cardinal bp, cardinal htotal, cardinal vtotal) {
+    int xprev, yprev;
+    cardinal i, j;
+
+    for (i=0; i < map->mode_table_size; i++) {
+        if (map->mode_table[i].mode == mode) {
+            switch(map->bios) {
+            case BT_1:
+                {
+                    vbios_resolution_type1 * res = map_type1_resolution(map, map->mode_table[i].resolution);
+                    
+                    if (bp) {
+                        map->mode_table[i].bits_per_pixel = bp;
+                    }
+                    
+                    res->x2 = (htotal?(((htotal-x) >> 8) & 0x0f) : (res->x2 & 0x0f)) | ((x >> 4) & 0xf0);
+                    res->x1 = (x & 0xff);
+                    
+                    res->y2 = (vtotal?(((vtotal-y) >> 8) & 0x0f) : (res->y2 & 0x0f)) | ((y >> 4) & 0xf0);
+                    res->y1 = (y & 0xff);
+		    if (htotal)
+			res->x_total = ((htotal-x) & 0xff);
+
+		    if (vtotal)
+			res->y_total = ((vtotal-y) & 0xff);
+                }
+                break;
+            case BT_2:
+                {
+                    vbios_resolution_type2 * res = map_type2_resolution(map, map->mode_table[i].resolution);
+
+                    res->xchars = x / 8;
+                    res->ychars = y / 16 - 1;
+                    xprev = res->modelines[0].x1;
+                    yprev = res->modelines[0].y1;
+
+                    for(j=0; j < 3; j++) {
+                        vbios_modeline_type2 * modeline = &res->modelines[j];
+                        
+                        if (modeline->x1 == xprev && modeline->y1 == yprev) {
+                            unsigned long clock;
+                            word hsyncstart, hsyncend, hblank;
+                            word vsyncstart, vsyncend, vblank;
+
+                            modeline->x1 = modeline->x2 = x-1;
+                            modeline->y1 = modeline->y2 = y-1;
+
+                            gtf_timings(x, y, freqs[j], &clock,
+                                    &hsyncstart, &hsyncend, &hblank,
+                                    &vsyncstart, &vsyncend, &vblank);
+                            modeline->clock = clock;
+                            modeline->hsyncstart = hsyncstart;
+                            modeline->hsyncend = hsyncend;
+                            modeline->hblank = hblank;
+                            modeline->vsyncstart = vsyncstart;
+                            modeline->vsyncend = vsyncend;
+                            modeline->vblank = vblank;
+
+                            if (htotal)
+                                modeline->htotal = htotal;
+                            else
+                                modeline->htotal = modeline->hblank;
+
+                            if (vtotal)
+                                modeline->vtotal = vtotal;
+                            else
+                                modeline->vtotal = modeline->vblank;
+                        }
+                    }
+                }
+                break;
+            case BT_3:
+                {
+                    vbios_resolution_type3 * res = map_type3_resolution(map, map->mode_table[i].resolution);
+                    
+                    xprev = res->modelines[0].x1;
+                    yprev = res->modelines[0].y1;
+
+                    for (j=0; j < 3; j++) {
+                        vbios_modeline_type3 * modeline = &res->modelines[j];
+                        
+                        if (modeline->x1 == xprev && modeline->y1 == yprev) {
+                            unsigned long clock;
+                            word hsyncstart, hsyncend, hblank;
+                            word vsyncstart, vsyncend, vblank;
+
+                            modeline->x1 = modeline->x2 = x-1;
+                            modeline->y1 = modeline->y2 = y-1;
+                            
+                            gtf_timings(x, y, freqs[j], &clock,
+                                    &hsyncstart, &hsyncend, &hblank,
+                                    &vsyncstart, &vsyncend, &vblank);
+                            modeline->clock = clock;
+                            modeline->hsyncstart = hsyncstart;
+                            modeline->hsyncend = hsyncend;
+                            modeline->hblank = hblank;
+                            modeline->vsyncstart = vsyncstart;
+                            modeline->vsyncend = vsyncend;
+                            modeline->vblank = vblank;
+
+                            if (htotal)
+                                modeline->htotal = htotal;
+                            else
+                                modeline->htotal = modeline->hblank;
+                            if (vtotal)
+                                modeline->vtotal = vtotal;
+                            else
+                                modeline->vtotal = modeline->vblank;
+
+                            modeline->timing_h   = y-1;
+                            modeline->timing_v   = x-1;
+                        }
+                    }
+                }
+                break;
+            case BT_UNKWN:
+                break;
+            }
+        }
+    }
+}   
+
+static void display_map_info(vbios_map * map) {
+    printf("Chipset: %s\n", chipset_type_names[map->chipset]);
+    printf("BIOS: %s\n", bios_type_names[map->bios]);
+
+    printf("Mode Table Offset: $C0000 + $%x\n", ((cardinal)map->mode_table) - ((cardinal)map->bios_ptr));
+    printf("Mode Table Entries: %u\n", map->mode_table_size);
+}
+
+
+static int parse_args(cardinal argc, char *argv[], chipset_type *forced_chipset,
+		      cardinal *list, cardinal *mode, cardinal *x, cardinal *y,
+		      cardinal *bp, cardinal *raw, cardinal *htotal,
+		      cardinal *vtotal, cardinal *quiet) {
+    cardinal index = 0;
+
+    *list = *mode = *x = *y = *raw = *htotal = *vtotal = 0;
+    *bp = 0;
+    *quiet = 0;
+
+    *forced_chipset = CT_UNKWN;
+
+    if ((argc > index) && !strcmp(argv[index], "-q")) {
+        *quiet = 1;
+        index++;
+
+        if(argc<=index) {
+            return 0;
+        }
+    }    
+
+    if ((argc > index) && !strcmp(argv[index], "-c")) {
+        index++;
+
+        if(argc<=index) {
+            return 0;
+        }
+        
+        if (!strcmp(argv[index], "845")) {
+            *forced_chipset = CT_845G;
+        }
+        else if (!strcmp(argv[index], "855")) {
+            *forced_chipset = CT_855GM;
+        }
+        else if (!strcmp(argv[index], "865")) {
+            *forced_chipset = CT_865G;
+        }
+        else if (!strcmp(argv[index], "915G")) {
+            *forced_chipset = CT_915G;
+        }
+        else if (!strcmp(argv[index], "915GM")) {
+            *forced_chipset = CT_915GM;
+        }
+        else if (!strcmp(argv[index], "945G")) {
+            *forced_chipset = CT_945G;
+        }
+        else if (!strcmp(argv[index], "945GM")) {
+            *forced_chipset = CT_945GM;
+        }
+        else if (!strcmp(argv[index], "945GME")) {
+            *forced_chipset = CT_945GME;
+        }
+        else if (!strcmp(argv[index], "946GZ")) {
+            *forced_chipset = CT_946GZ;
+        }
+        else if (!strcmp(argv[index], "G965")) {
+            *forced_chipset = CT_G965;
+        }
+        else if (!strcmp(argv[index], "Q965")) {
+            *forced_chipset = CT_Q965;
+        }
+        else if (!strcmp(argv[index], "965GM")) {
+            *forced_chipset = CT_965GM;
+        }
+        else if (!strcmp(argv[index], "G33")) {
+            *forced_chipset = CT_G33;
+        }
+        else if (!strcmp(argv[index], "Q35")) {
+            *forced_chipset = CT_Q35;
+        }
+        else if (!strcmp(argv[index], "Q33")) {
+            *forced_chipset = CT_Q33;
+        }
+	else if (!strcmp(argv[index], "500GMA")) {
+	    *forced_chipset = CT_500GMA;
+	}
+        else if (!strcmp(argv[index], "GM45")) {
+            *forced_chipset = CT_GM45;
+        }
+        else if (!strcmp(argv[index], "GMA3150")) {
+            *forced_chipset = CT_GMA3150;
+        }
+        else if (!strcmp(argv[index], "HD3000")) {
+            *forced_chipset = CT_HD3000;
+        }
+        else {
+            *forced_chipset = CT_UNKWN;
+        }
+        
+        index++;
+        
+        if (argc<=index) {
+            return 0;
+        }
+    }
+
+    if ((argc > index) && !strcmp(argv[index], "-l")) {
+        *list = 1;
+        index++;
+
+        if(argc<=index) {
+            return 0;
+        }
+    }
+    
+    if ((argc > index) && !strcmp(argv[index], "-r")) {
+        *raw = 1;
+        index++;
+
+        if(argc<=index) {
+            return 0;
+        }
+    }
+    
+    if (argc-index < 3 || argc-index > 6) {
+        return -1;
+    }
+
+    *mode = (cardinal) strtol(argv[index], NULL, 16);
+    *x = (cardinal)atoi(argv[index+1]);
+    *y = (cardinal)atoi(argv[index+2]);
+
+
+    if (argc-index > 3) {
+        *bp = (cardinal)atoi(argv[index+3]);
+    }
+    else {
+        *bp = 0;
+    }
+    
+    if (argc-index > 4) {
+        *htotal = (cardinal)atoi(argv[index+4]);
+    }
+    else {
+        *htotal = 0;
+    }
+
+    if (argc-index > 5) {
+        *vtotal = (cardinal)atoi(argv[index+5]);
+    }
+    else {
+        *vtotal = 0;
+    }
+    
+    return 0;
+}
+
+static void usage(void) {
+    printf("Usage: 915resolution [-q] [-c chipset] [-l] [mode X Y] [bits/pixel] [htotal] [vtotal]\n");
+    printf("  Set the resolution to XxY for a video mode\n");
+    printf("  Bits per pixel are optional.  htotal/vtotal settings are additionally optional.\n");
+    printf("  Options:\n");
+    printf("    -q don't show any normal messages\n");
+    printf("    -c force chipset type (THIS IS USED FOR DEBUG PURPOSES)\n");
+    printf("    -l display the modes found in the video BIOS\n");
+    printf("    -r display the modes found in the video BIOS in raw mode (THIS IS USED FOR DEBUG PURPOSES)\n");
+}
+
+static int main_915 (int argc, char *argv[])
+{
+    vbios_map * map;
+    cardinal list, mode, x, y, bp, raw, htotal, vtotal;
+    cardinal quiet;
+    chipset_type forced_chipset;
+    
+    if (parse_args(argc, argv, &forced_chipset, &list, &mode,
+		   &x, &y, &bp, &raw, &htotal, &vtotal, &quiet) == -1) {
+        printf("Intel 800/900 Series VBIOS Hack : version %s\n\n",
+	       RES915_VERSION);
+        usage();
+        return 2;
+    }
+
+    if (!quiet)
+      printf("Intel 800/900 Series VBIOS Hack : version %s\n\n",
+	     RES915_VERSION);
+
+    map = open_vbios(forced_chipset);
+    if (!quiet)
+      {
+	display_map_info(map);
+	printf("\n");
+      }
+
+    if (list) {
+        list_modes(map, raw);
+    }
+
+    if (mode!=0 && x!=0 && y!=0) {
+          unlock_vbios(map);
+
+        set_mode(map, mode, x, y, bp, htotal, vtotal);
+
+          relock_vbios(map);
+        
+        printf("Patch mode %02x to resolution %dx%d complete\n", mode, x, y);
+        
+        if (list) {
+            list_modes(map, raw);
+        }
+    }
+
+    close_vbios(map);
+    
+    return 0;
+}
+
+
+
+
+
+static grub_err_t
+grub_cmd_915resolution (grub_command_t cmd __attribute__ ((unused)), 
+			int argc, char *argv[])
+{
+  return main_915 (argc, argv);
+}
+
+static grub_command_t cmd;
+
+GRUB_MOD_INIT(915resolution)
+{
+  cmd = grub_register_command ("915resolution", grub_cmd_915resolution,
+			       "915resolution", "Intel VBE editor");
+}
+
+GRUB_MOD_FINI(915resolution)
+{
+  grub_unregister_command (cmd);
+}
diff --git a/debian/grub-extras/915resolution/COPYING b/debian/grub-extras/915resolution/COPYING
new file mode 100644
index 0000000..94a9ed0
--- /dev/null
+++ b/debian/grub-extras/915resolution/COPYING
@@ -0,0 +1,674 @@
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+                            Preamble
+
+  The GNU General Public License is a free, copyleft license for
+software and other kinds of works.
+
+  The licenses for most software and other practical works are designed
+to take away your freedom to share and change the works.  By contrast,
+the GNU General Public License is intended to guarantee your freedom to
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+software for all its users.  We, the Free Software Foundation, use the
+GNU General Public License for most of our software; it applies also to
+any other work released this way by its authors.  You can apply it to
+your programs, too.
+
+  When we speak of free software, we are referring to freedom, not
+price.  Our General Public Licenses are designed to make sure that you
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+
+  Developers that use the GNU GPL protect your rights with two steps:
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+authors' sake, the GPL requires that modified versions be marked as
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+
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+
+  If conditions are imposed on you (whether by court order, agreement or
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+  13. Use with the GNU Affero General Public License.
+
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+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
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+  To do so, attach the following notices to the program.  It is safest
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+
+    This program 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
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+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
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+  If the program does terminal interaction, make it output a short
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+
+    <program>  Copyright (C) <year>  <name of author>
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
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+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
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+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<http://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<http://www.gnu.org/philosophy/why-not-lgpl.html>.
diff --git a/debian/grub-extras/915resolution/Makefile.core.def b/debian/grub-extras/915resolution/Makefile.core.def
new file mode 100644
index 0000000..14c0ae5
--- /dev/null
+++ b/debian/grub-extras/915resolution/Makefile.core.def
@@ -0,0 +1,7 @@
+AutoGen definitions Makefile.tpl;
+
+module = {
+  name = '915resolution';
+  i386_pc = contrib/915resolution/915resolution.c;
+  enable = i386_pc;
+};
diff --git a/debian/grub-extras/915resolution/README b/debian/grub-extras/915resolution/README
new file mode 100644
index 0000000..874bd08
--- /dev/null
+++ b/debian/grub-extras/915resolution/README
@@ -0,0 +1,11 @@
+
+grub-extras is meant to be used as an overlay on grub2 source tree.
+
+Build instructions:
+
+  - Copy grub-extras in a subdirectory of your grub2 checkout.
+    For example, "grub-extras".
+
+  - Export GRUB_CONTRIB environment variable to point to this directory.
+
+  - Build GRUB as usual.