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#ifdef __powerpc__
#include <sys/types.h>
#include <sys/mman.h>
#include <netinet/in.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <assert.h>
#include <limits.h>
#include <ctype.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <linux/fb.h>
#include "vbe.h"
#include "minifind.h"
/* misnomer */
int vbe_get_vbe_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;
}
int get_edid_supported()
{
int ret = 0;
struct findNode *list;
struct pathNode *n;
list = (struct findNode *) malloc(sizeof(struct findNode));
list->result = (struct pathNode *) malloc(sizeof(struct pathNode));
list->result->path = NULL;
list->result->next = list->result;
minifind("/proc/device-tree", "EDID", list);
/* Supported */
for (n = list->result->next; n != list->result; n = n->next)
ret = 1;
/* Clean up and return. */
return ret;
}
/* Get EDID info. */
int vbe_get_edid_info(struct vbe_edid1_info * ret)
{
unsigned char *mem;
struct pathNode *n;
struct findNode *list;
u_int16_t man;
unsigned char edid[0x80];
FILE* edid_file = NULL;
char *path = NULL;
if (ret == NULL)
return 0;
list = (struct findNode *) malloc(sizeof(struct findNode));
list->result = (struct pathNode *) malloc(sizeof(struct pathNode));
list->result->path = NULL;
list->result->next = list->result;
minifind("/proc/device-tree", "EDID", list);
for (n = list->result->next; n != list->result; n = n->next)
{
path = n->path;
break;
}
if (path)
edid_file = fopen(path, "rb" );
if (!edid_file)
return 0;
if (fread(edid, sizeof(unsigned char), 0x80, edid_file) != 0x80)
return 0;
fclose(edid_file);
mem = malloc(sizeof(struct vbe_edid1_info));
if(mem == NULL) {
return 0;
}
memcpy(mem, edid, 0x80);
/* Copy the buffer for return. */
memcpy(ret, mem, sizeof(struct vbe_edid1_info));
memcpy(&man, &ret->manufacturer_name, 2);
man = ntohs(man);
memcpy(&ret->manufacturer_name, &man, 2);
free(mem);
return 1;
}
#endif /* __powerpc__ */
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