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/* 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;
}
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