*
* This is a from-scratch implementation of fbset; but the de facto fbset
* implementation was a good reference. fbset (original) is released under
- * the GPL, and is (c) 1995-1999 by:
+ * the GPL, and is (c) 1995-1999 by:
* Geert Uytterhoeven (Geert.Uytterhoeven@cs.kuleuven.ac.be)
*/
#include <errno.h>
#include <ctype.h>
#include <string.h>
+#include <stdint.h>
#include <sys/ioctl.h>
#include "busybox.h"
-#define DEFAULTFBDEV "/dev/fb0"
+#define DEFAULTFBDEV FB_0
#define DEFAULTFBMODE "/etc/fb.modes"
static const int OPT_CHANGE = (1 << 0);
/* Stuff stolen from the kernel's fb.h */
static const int FBIOGET_VSCREENINFO = 0x4600;
static const int FBIOPUT_VSCREENINFO = 0x4601;
-#define __u32 u_int32_t
struct fb_bitfield {
- __u32 offset; /* beginning of bitfield */
- __u32 length; /* length of bitfield */
- __u32 msb_right; /* != 0 : Most significant bit is */
- /* right */
+ uint32_t offset; /* beginning of bitfield */
+ uint32_t length; /* length of bitfield */
+ uint32_t msb_right; /* != 0 : Most significant bit is */
+ /* right */
};
struct fb_var_screeninfo {
- __u32 xres; /* visible resolution */
- __u32 yres;
- __u32 xres_virtual; /* virtual resolution */
- __u32 yres_virtual;
- __u32 xoffset; /* offset from virtual to visible */
- __u32 yoffset; /* resolution */
+ uint32_t xres; /* visible resolution */
+ uint32_t yres;
+ uint32_t xres_virtual; /* virtual resolution */
+ uint32_t yres_virtual;
+ uint32_t xoffset; /* offset from virtual to visible */
+ uint32_t yoffset; /* resolution */
- __u32 bits_per_pixel; /* guess what */
- __u32 grayscale; /* != 0 Graylevels instead of colors */
+ uint32_t bits_per_pixel; /* guess what */
+ uint32_t grayscale; /* != 0 Graylevels instead of colors */
struct fb_bitfield red; /* bitfield in fb mem if true color, */
struct fb_bitfield green; /* else only length is significant */
struct fb_bitfield blue;
- struct fb_bitfield transp; /* transparency */
+ struct fb_bitfield transp; /* transparency */
- __u32 nonstd; /* != 0 Non standard pixel format */
+ uint32_t nonstd; /* != 0 Non standard pixel format */
- __u32 activate; /* see FB_ACTIVATE_* */
+ uint32_t activate; /* see FB_ACTIVATE_* */
- __u32 height; /* height of picture in mm */
- __u32 width; /* width of picture in mm */
+ uint32_t height; /* height of picture in mm */
+ uint32_t width; /* width of picture in mm */
- __u32 accel_flags; /* acceleration flags (hints) */
+ uint32_t accel_flags; /* acceleration flags (hints) */
/* Timing: All values in pixclocks, except pixclock (of course) */
- __u32 pixclock; /* pixel clock in ps (pico seconds) */
- __u32 left_margin; /* time from sync to picture */
- __u32 right_margin; /* time from picture to sync */
- __u32 upper_margin; /* time from sync to picture */
- __u32 lower_margin;
- __u32 hsync_len; /* length of horizontal sync */
- __u32 vsync_len; /* length of vertical sync */
- __u32 sync; /* see FB_SYNC_* */
- __u32 vmode; /* see FB_VMODE_* */
- __u32 reserved[6]; /* Reserved for future compatibility */
+ uint32_t pixclock; /* pixel clock in ps (pico seconds) */
+ uint32_t left_margin; /* time from sync to picture */
+ uint32_t right_margin; /* time from picture to sync */
+ uint32_t upper_margin; /* time from sync to picture */
+ uint32_t lower_margin;
+ uint32_t hsync_len; /* length of horizontal sync */
+ uint32_t vsync_len; /* length of vertical sync */
+ uint32_t sync; /* see FB_SYNC_* */
+ uint32_t vmode; /* see FB_VMODE_* */
+ uint32_t reserved[6]; /* Reserved for future compatibility */
};
char buf[256];
char *p = buf;
- f = xfopen(fn, "r");
+ f = bb_xfopen(fn, "r");
while (!feof(f)) {
fgets(buf, sizeof(buf), f);
if ((p = strstr(buf, "mode ")) || (p = strstr(buf, "mode\t"))) {
if ((p = strstr(buf, "geometry "))) {
p += 9;
- sscanf(p, "%d %d %d %d %d",
- &(base->xres), &(base->yres),
- &(base->xres_virtual), &(base->yres_virtual),
+ sscanf(p, "%d %d %d %d %d",
+ &(base->xres), &(base->yres),
+ &(base->xres_virtual), &(base->yres_virtual),
&(base->bits_per_pixel));
} else if ((p = strstr(buf, "timings "))) {
p += 8;
-
+
sscanf(p, "%d %d %d %d %d %d %d",
&(base->pixclock),
&(base->left_margin), &(base->right_margin),
base->sync |= FB_SYNC_EXT;
}
}
-
+
if (strstr(buf, "endmode"))
return 1;
}
}
}
#else
- error_msg( "mode reading not compiled in");
+ bb_error_msg( "mode reading not compiled in");
#endif
return 0;
}
for (i = 0; g_cmdoptions[i].name; i++) {
if (!strcmp(thisarg, g_cmdoptions[i].name)) {
if (argc - 1 < g_cmdoptions[i].param_count)
- show_usage();
+ bb_show_usage();
switch (g_cmdoptions[i].code) {
case CMD_FB:
fbdev = argv[1];
mode = *argv;
g_options |= OPT_READMODE;
} else {
- show_usage();
+ bb_show_usage();
}
}
}
if ((fh = open(fbdev, O_RDONLY)) < 0)
- perror_msg_and_die("fbset(open)");
+ bb_perror_msg_and_die("fbset(open)");
if (ioctl(fh, FBIOGET_VSCREENINFO, &var))
- perror_msg_and_die("fbset(ioctl)");
+ bb_perror_msg_and_die("fbset(ioctl)");
if (g_options & OPT_READMODE) {
if (!readmode(&var, modefile, mode)) {
- error_msg("Unknown video mode `%s'", mode);
+ bb_error_msg("Unknown video mode `%s'", mode);
return EXIT_FAILURE;
}
}
setmode(&var, &varset);
if (g_options & OPT_CHANGE)
if (ioctl(fh, FBIOPUT_VSCREENINFO, &var))
- perror_msg_and_die("fbset(ioctl)");
+ bb_perror_msg_and_die("fbset(ioctl)");
showmode(&var);
/* Don't close the file, as exiting will take care of that */
/* close(fh); */