From f6238693bdf079dedb9c32202a91c83fbecefb0b Mon Sep 17 00:00:00 2001
From: Stew Benedict <stewb@mandriva.org>
Date: Wed, 23 Feb 2005 00:05:11 +0000
Subject: Support for XBox. Original code up the machine.

---
 tools/ddcprobe/Makefile    |  2 +-
 tools/ddcprobe/ddcxinfos.c | 20 +++++++----
 tools/ddcprobe/xbox.c      | 90 ++++++++++++++++++++++++++++++++++++++++++++++
 tools/ddcprobe/xbox.h      |  5 +++
 4 files changed, 110 insertions(+), 7 deletions(-)
 create mode 100644 tools/ddcprobe/xbox.c
 create mode 100644 tools/ddcprobe/xbox.h

(limited to 'tools')

diff --git a/tools/ddcprobe/Makefile b/tools/ddcprobe/Makefile
index 321c5f4e9..fd5646869 100644
--- a/tools/ddcprobe/Makefile
+++ b/tools/ddcprobe/Makefile
@@ -18,7 +18,7 @@ INCS	= -I.
 LDFLAGS	= -lm
 ifeq (y,$(HAS_VBE))
 LDFLAGS	+= -L. -lint10 -lx86emu
-OBJS	= ddcxinfos.o vesamode.o vbe.o
+OBJS	= ddcxinfos.o vesamode.o vbe.o xbox.o
 LIBS	= libint10.a libx86emu.a
 DEFS	+= -DHAVE_VBE
 endif
diff --git a/tools/ddcprobe/ddcxinfos.c b/tools/ddcprobe/ddcxinfos.c
index e595d549c..44d9fdc48 100644
--- a/tools/ddcprobe/ddcxinfos.c
+++ b/tools/ddcprobe/ddcxinfos.c
@@ -9,6 +9,7 @@
 #include <stdarg.h>
 #include "vbe.h"
 #include "vesamode.h"
+#include "xbox.h"
 
 #ifdef HAVE_VBE
 #include "int10/vbios.h"
@@ -43,13 +44,17 @@ int main(void)
 	/* Determine PCI configuration type */
 	pci_config_type = 1;
 
-	/* Initialize Int10 */
-	if (InitInt10(pci_config_type)) return 1;
-
 	/* Get VBE information */
-	if (vbe_get_vbe_info(vbe_info) == 0) {
-	  FreeInt10();
-	  return 1;
+	if (box_is_xbox() == 1) {
+	  if (get_fb_info(vbe_info) == 0)
+	    return 1;
+	} else {
+	  /* Initialize Int10 */
+	  if (InitInt10(pci_config_type)) return 1;
+	  if (vbe_get_vbe_info(vbe_info) == 0) {
+	    FreeInt10();
+	    return 1;
+	  }
 	}
 	printf("%dKB of video ram\n", vbe_info->memory_size / 1024);
 
@@ -64,6 +69,9 @@ int main(void)
 		     known_vesa_modes[i].y
 		     );
 #endif
+	/* optimal on a TV, just return canned values */
+	if (box_is_xbox() == 1)
+	  printf("%d %d %d\n", 16777216, 640, 480);
 	printf("\n");
 
 	/* Get EDID information */
diff --git a/tools/ddcprobe/xbox.c b/tools/ddcprobe/xbox.c
new file mode 100644
index 000000000..ae1d8f0d7
--- /dev/null
+++ b/tools/ddcprobe/xbox.c
@@ -0,0 +1,90 @@
+/* test for an xbox and return video ram from fb device 
+ * sbenedict@mandrakesoft.com
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <ctype.h>
+#include <sys/ioctl.h>
+#include <linux/fb.h>
+#include "vbe.h"
+
+int box_is_xbox() {
+	int is_xbox = 0;
+	int result = -1;
+	int fd;
+	size_t rd;
+	char *xbox_id = "0000\t10de02a5";
+	char id[13];
+
+	if (!(fd = open("/proc/bus/pci/devices", O_RDONLY))) {
+		printf("Unable to open /proc/bus/pci/devices\n");
+	}
+	if (!(rd = read(fd, id, sizeof(id)))) {
+		printf("Unable to read /proc/bus/pci/devices\n");
+	}
+
+	if (fd > 0)
+		close(fd);
+
+#if DEBUG	
+	printf("read_id: %s\n", id);	
+	printf("xbox_id: %s\n", xbox_id);	
+#endif
+	result = strncmp(id, xbox_id, 13);
+	if (result == 0)
+		is_xbox = 1;
+	return is_xbox;
+}
+
+/* taken from of.c */
+int get_fb_info(struct vbe_info *ret)
+{
+        struct fb_fix_screeninfo fix;
+	unsigned char *mem;
+        int rc = 0;
+        int fd = -1;
+	int i;
+
+	if (ret == NULL)
+		return 0;
+
+        if (!rc && !(fd = open("/dev/fb0", O_RDONLY)))
+        {
+                rc = 1;
+                fprintf(stderr, "Unable to open /dev/fb0. Exiting.\n");
+        }
+
+        if ((!rc) && (ioctl(fd, FBIOGET_FSCREENINFO, &fix)))
+        {
+                rc = 1;
+                fprintf(stderr, "Framebuffer ioctl failed. Exiting.\n");
+        }
+
+	if (fd > 0)
+		close(fd);
+
+        if (!rc)
+        {
+                // Note: if OFfb, vram info is unreliable!
+		if (strcmp(fix.id, "OFfb"))
+		{
+			mem = strdup(fix.id);
+			while(((i = strlen(mem)) > 0) && isspace(mem[i - 1])) {
+				mem[i - 1] = '\0';
+			}
+			ret->oem_name = strdup(mem);
+			ret->product_name = NULL;
+			ret->vendor_name = NULL;
+			ret->product_revision = NULL;
+			ret->memory_size = fix.smem_len;
+		}
+        }
+
+	return !rc;
+}
diff --git a/tools/ddcprobe/xbox.h b/tools/ddcprobe/xbox.h
new file mode 100644
index 000000000..8e1cf2b7e
--- /dev/null
+++ b/tools/ddcprobe/xbox.h
@@ -0,0 +1,5 @@
+/* function prototypes for xbox.c
+   sbenedict@mandrakesoft.com
+*/
+int box_is_xbox();
+int get_fb_info(struct vbe_info *vbe);
-- 
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