Some formatting updates (ran the code through indent)
-Erik
This commit is contained in:
Erik Andersen
@ -1,3 +1,4 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Mini fbset implementation for busybox
|
||||
*
|
||||
@ -48,7 +49,7 @@
|
||||
#define OPT_READMODE (1 << 2)
|
||||
|
||||
#define CMD_HELP 0
|
||||
#define CMD_FB 1
|
||||
#define CMD_FB 1
|
||||
#define CMD_DB 2
|
||||
#define CMD_GEOMETRY 3
|
||||
#define CMD_TIMING 4
|
||||
@ -87,213 +88,242 @@
|
||||
static unsigned int g_options = 0;
|
||||
|
||||
struct cmdoptions_t {
|
||||
char *name;
|
||||
unsigned char param_count;
|
||||
unsigned char code;
|
||||
char *name;
|
||||
unsigned char param_count;
|
||||
unsigned char code;
|
||||
} g_cmdoptions[] = {
|
||||
{ "-h", 0, CMD_HELP },
|
||||
{ "-fb", 1, CMD_FB },
|
||||
{ "-db", 1, CMD_DB },
|
||||
{ "-a", 0, CMD_ALL },
|
||||
{ "-i", 0, CMD_INFO },
|
||||
{ "-g", 5, CMD_GEOMETRY },
|
||||
{ "-t", 7, CMD_TIMING },
|
||||
{ "-accel", 1, CMD_ACCEL },
|
||||
{ "-hsync", 1, CMD_HSYNC },
|
||||
{ "-vsync", 1, CMD_VSYNC },
|
||||
{ "-laced", 1, CMD_LACED },
|
||||
{ "-double", 1, CMD_DOUBLE },
|
||||
|
||||
{
|
||||
"-h", 0, CMD_HELP}, {
|
||||
"-fb", 1, CMD_FB}, {
|
||||
"-db", 1, CMD_DB}, {
|
||||
"-a", 0, CMD_ALL}, {
|
||||
"-i", 0, CMD_INFO}, {
|
||||
"-g", 5, CMD_GEOMETRY}, {
|
||||
"-t", 7, CMD_TIMING}, {
|
||||
"-accel", 1, CMD_ACCEL}, {
|
||||
"-hsync", 1, CMD_HSYNC}, {
|
||||
"-vsync", 1, CMD_VSYNC}, {
|
||||
"-laced", 1, CMD_LACED}, {
|
||||
"-double", 1, CMD_DOUBLE},
|
||||
#ifdef BB_FBSET_FANCY
|
||||
{ "--help", 0, CMD_HELP },
|
||||
{ "-all", 0, CMD_ALL },
|
||||
{ "-xres", 1, CMD_XRES },
|
||||
{ "-yres", 1, CMD_YRES },
|
||||
{ "-vxres", 1, CMD_VXRES },
|
||||
{ "-vyres", 1, CMD_VYRES },
|
||||
{ "-depth", 1, CMD_DEPTH },
|
||||
{ "-match", 0, CMD_MATCH },
|
||||
{ "--geometry", 5, CMD_GEOMETRY },
|
||||
|
||||
{ "-pixclock", 1, CMD_PIXCLOCK },
|
||||
{ "-left", 1, CMD_LEFT },
|
||||
{ "-right", 1, CMD_RIGHT },
|
||||
{ "-upper", 1, CMD_UPPER },
|
||||
{ "-lower", 1, CMD_LOWER },
|
||||
{ "-hslen", 1, CMD_HSLEN },
|
||||
{ "-vslen", 1, CMD_VSLEN },
|
||||
{ "--timings", 7, CMD_TIMING },
|
||||
|
||||
{ "-csync", 1, CMD_CSYNC },
|
||||
{ "-gsync", 1, CMD_GSYNC },
|
||||
{ "-extsync", 1, CMD_EXTSYNC },
|
||||
{ "-bcast", 1, CMD_BCAST },
|
||||
{ "-rgba", 1, CMD_RGBA },
|
||||
{ "-step", 1, CMD_STEP },
|
||||
{ "-move", 1, CMD_MOVE },
|
||||
{
|
||||
"--help", 0, CMD_HELP}, {
|
||||
"-all", 0, CMD_ALL}, {
|
||||
"-xres", 1, CMD_XRES}, {
|
||||
"-yres", 1, CMD_YRES}, {
|
||||
"-vxres", 1, CMD_VXRES}, {
|
||||
"-vyres", 1, CMD_VYRES}, {
|
||||
"-depth", 1, CMD_DEPTH}, {
|
||||
"-match", 0, CMD_MATCH}, {
|
||||
"--geometry", 5, CMD_GEOMETRY}, {
|
||||
"-pixclock", 1, CMD_PIXCLOCK}, {
|
||||
"-left", 1, CMD_LEFT}, {
|
||||
"-right", 1, CMD_RIGHT}, {
|
||||
"-upper", 1, CMD_UPPER}, {
|
||||
"-lower", 1, CMD_LOWER}, {
|
||||
"-hslen", 1, CMD_HSLEN}, {
|
||||
"-vslen", 1, CMD_VSLEN}, {
|
||||
"--timings", 7, CMD_TIMING}, {
|
||||
"-csync", 1, CMD_CSYNC}, {
|
||||
"-gsync", 1, CMD_GSYNC}, {
|
||||
"-extsync", 1, CMD_EXTSYNC}, {
|
||||
"-bcast", 1, CMD_BCAST}, {
|
||||
"-rgba", 1, CMD_RGBA}, {
|
||||
"-step", 1, CMD_STEP}, {
|
||||
"-move", 1, CMD_MOVE},
|
||||
#endif
|
||||
{ 0, 0, 0 }
|
||||
{
|
||||
0, 0, 0}
|
||||
};
|
||||
|
||||
static int readmode(struct fb_var_screeninfo *base, const char *fn,
|
||||
const char *mode)
|
||||
const char *mode)
|
||||
{
|
||||
#ifdef BB_FBSET_READMODE
|
||||
FILE *f;
|
||||
char buf[256];
|
||||
char *p = buf;
|
||||
|
||||
if ((f = fopen(fn, "r")) == NULL) PERROR("readmode(fopen)");
|
||||
while (!feof(f)) {
|
||||
fgets(buf, sizeof(buf), f);
|
||||
if ((p = strstr(buf, "mode ")) || (p = strstr(buf, "mode\t"))) {
|
||||
p += 5;
|
||||
if ((p = strstr(buf, mode))) {
|
||||
p += strlen(mode);
|
||||
if (!isspace(*p) && (*p != 0) && (*p != '"') && (*p != '\r')
|
||||
&& (*p != '\n')) continue; /* almost, but not quite */
|
||||
while (!feof(f)) {
|
||||
fgets(buf, sizeof(buf), f);
|
||||
if (!strstr(buf, "endmode")) return 1;
|
||||
FILE *f;
|
||||
char buf[256];
|
||||
char *p = buf;
|
||||
|
||||
if ((f = fopen(fn, "r")) == NULL)
|
||||
PERROR("readmode(fopen)");
|
||||
while (!feof(f)) {
|
||||
fgets(buf, sizeof(buf), f);
|
||||
if ((p = strstr(buf, "mode ")) || (p = strstr(buf, "mode\t"))) {
|
||||
p += 5;
|
||||
if ((p = strstr(buf, mode))) {
|
||||
p += strlen(mode);
|
||||
if (!isspace(*p) && (*p != 0) && (*p != '"')
|
||||
&& (*p != '\r') && (*p != '\n'))
|
||||
continue; /* almost, but not quite */
|
||||
while (!feof(f)) {
|
||||
fgets(buf, sizeof(buf), f);
|
||||
if (!strstr(buf, "endmode"))
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
#else
|
||||
fprintf(stderr, "W: mode reading was disabled on this copy of fbset; ignoring request\n");
|
||||
fprintf(stderr,
|
||||
"W: mode reading was disabled on this copy of fbset; ignoring request\n");
|
||||
#endif
|
||||
return 0;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void setmode(struct fb_var_screeninfo *base,
|
||||
struct fb_var_screeninfo *set)
|
||||
static void setmode(struct fb_var_screeninfo *base,
|
||||
struct fb_var_screeninfo *set)
|
||||
{
|
||||
if ((int)set->xres > 0) base->xres = set->xres;
|
||||
if ((int)set->yres > 0) base->yres = set->yres;
|
||||
if ((int)set->xres_virtual > 0) base->xres_virtual = set->xres_virtual;
|
||||
if ((int)set->yres_virtual > 0) base->yres_virtual = set->yres_virtual;
|
||||
if ((int)set->bits_per_pixel > 0) base->bits_per_pixel = set->bits_per_pixel;
|
||||
if ((int) set->xres > 0)
|
||||
base->xres = set->xres;
|
||||
if ((int) set->yres > 0)
|
||||
base->yres = set->yres;
|
||||
if ((int) set->xres_virtual > 0)
|
||||
base->xres_virtual = set->xres_virtual;
|
||||
if ((int) set->yres_virtual > 0)
|
||||
base->yres_virtual = set->yres_virtual;
|
||||
if ((int) set->bits_per_pixel > 0)
|
||||
base->bits_per_pixel = set->bits_per_pixel;
|
||||
}
|
||||
|
||||
static void showmode(struct fb_var_screeninfo *v)
|
||||
{
|
||||
double drate = 0, hrate = 0, vrate = 0;
|
||||
if (v->pixclock) {
|
||||
drate = 1e12 / v->pixclock;
|
||||
hrate = drate / (v->left_margin+v->xres+v->right_margin+v->hsync_len);
|
||||
vrate = hrate / (v->upper_margin+v->yres+v->lower_margin+v->vsync_len);
|
||||
}
|
||||
printf("\nmode \"%ux%u-%u\"\n", v->xres, v->yres, (int)(vrate+0.5));
|
||||
double drate = 0, hrate = 0, vrate = 0;
|
||||
|
||||
if (v->pixclock) {
|
||||
drate = 1e12 / v->pixclock;
|
||||
hrate =
|
||||
drate / (v->left_margin + v->xres + v->right_margin +
|
||||
v->hsync_len);
|
||||
vrate =
|
||||
hrate / (v->upper_margin + v->yres + v->lower_margin +
|
||||
v->vsync_len);
|
||||
}
|
||||
printf("\nmode \"%ux%u-%u\"\n", v->xres, v->yres, (int) (vrate + 0.5));
|
||||
#ifdef BB_FBSET_FANCY
|
||||
printf("\t# D: %.3f MHz, H: %.3f kHz, V: %.3f Hz\n", drate/1e6, hrate/1e3,
|
||||
vrate);
|
||||
printf("\t# D: %.3f MHz, H: %.3f kHz, V: %.3f Hz\n", drate / 1e6,
|
||||
hrate / 1e3, vrate);
|
||||
#endif
|
||||
printf("\tgeometry %u %u %u %u %u\n", v->xres, v->yres,
|
||||
v->xres_virtual, v->yres_virtual, v->bits_per_pixel);
|
||||
printf("\tgeometry %u %u %u %u %u\n", v->xres, v->yres,
|
||||
v->xres_virtual, v->yres_virtual, v->bits_per_pixel);
|
||||
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,2,0)
|
||||
printf("\ttimings %u %u %u %u %u %u %u\n", v->pixclock, v->left_margin,
|
||||
v->right_margin, v->upper_margin, v->lower_margin, v->hsync_len,
|
||||
v->vsync_len);
|
||||
printf("\taccel %s\n", (v->accel_flags > 0 ? "true" : "false"));
|
||||
printf("\ttimings %u %u %u %u %u %u %u\n", v->pixclock, v->left_margin,
|
||||
v->right_margin, v->upper_margin, v->lower_margin, v->hsync_len,
|
||||
v->vsync_len);
|
||||
printf("\taccel %s\n", (v->accel_flags > 0 ? "true" : "false"));
|
||||
#else
|
||||
printf("\ttimings %lu %lu %lu %lu %lu %lu %lu\n", v->pixclock, v->left_margin,
|
||||
v->right_margin, v->upper_margin, v->lower_margin, v->hsync_len,
|
||||
v->vsync_len);
|
||||
printf("\ttimings %lu %lu %lu %lu %lu %lu %lu\n", v->pixclock,
|
||||
v->left_margin, v->right_margin, v->upper_margin,
|
||||
v->lower_margin, v->hsync_len, v->vsync_len);
|
||||
#endif
|
||||
printf("\trgba %u/%u,%u/%u,%u/%u,%u/%u\n", v->red.length, v->red.offset,
|
||||
v->green.length, v->green.offset, v->blue.length, v->blue.offset,
|
||||
v->transp.length, v->transp.offset);
|
||||
printf("endmode\n");
|
||||
printf("\trgba %u/%u,%u/%u,%u/%u,%u/%u\n", v->red.length,
|
||||
v->red.offset, v->green.length, v->green.offset, v->blue.length,
|
||||
v->blue.offset, v->transp.length, v->transp.offset);
|
||||
printf("endmode\n");
|
||||
}
|
||||
|
||||
static void fbset_usage(void)
|
||||
{
|
||||
int i;
|
||||
int i;
|
||||
|
||||
#ifndef STANDALONE
|
||||
fprintf(stderr, "BusyBox v%s (%s) multi-call binary -- GPL2\n\n", BB_VER, BB_BT);
|
||||
fprintf(stderr, "BusyBox v%s (%s) multi-call binary -- GPL2\n\n",
|
||||
BB_VER, BB_BT);
|
||||
#endif
|
||||
fprintf(stderr, "Usage: fbset [options] [mode]\n");
|
||||
fprintf(stderr, "\tThe following options are recognized:\n");
|
||||
for (i = 0; g_cmdoptions[i].name; i++)
|
||||
fprintf(stderr, "\t\t%s\n", g_cmdoptions[i].name);
|
||||
exit(-1);
|
||||
fprintf(stderr, "Usage: fbset [options] [mode]\n");
|
||||
fprintf(stderr, "\tThe following options are recognized:\n");
|
||||
for (i = 0; g_cmdoptions[i].name; i++)
|
||||
fprintf(stderr, "\t\t%s\n", g_cmdoptions[i].name);
|
||||
exit(-1);
|
||||
}
|
||||
|
||||
#ifdef STANDALONE
|
||||
int main(int argc, char **argv)
|
||||
#else
|
||||
#else
|
||||
extern int fbset_main(int argc, char **argv)
|
||||
#endif
|
||||
{
|
||||
struct fb_var_screeninfo var, varset;
|
||||
int fh, i;
|
||||
char *fbdev = DEFAULTFBDEV;
|
||||
char *modefile = DEFAULTFBMODE;
|
||||
char *thisarg, *mode = NULL;
|
||||
struct fb_var_screeninfo var, varset;
|
||||
int fh, i;
|
||||
char *fbdev = DEFAULTFBDEV;
|
||||
char *modefile = DEFAULTFBMODE;
|
||||
char *thisarg, *mode = NULL;
|
||||
|
||||
memset(&varset, 0xFF, sizeof(varset));
|
||||
|
||||
/* parse cmd args.... why do they have to make things so difficult? */
|
||||
argv++; argc--;
|
||||
for (; argc > 0 && (thisarg = *argv); argc--, argv++) {
|
||||
for (i = 0; g_cmdoptions[i].name; i++) {
|
||||
if (!strcmp(thisarg, g_cmdoptions[i].name)) {
|
||||
if (argc - 1 < g_cmdoptions[i].param_count) fbset_usage();
|
||||
switch (g_cmdoptions[i].code) {
|
||||
case CMD_HELP: fbset_usage();
|
||||
case CMD_FB: fbdev = argv[1]; break;
|
||||
case CMD_DB: modefile = argv[1]; break;
|
||||
case CMD_GEOMETRY:
|
||||
varset.xres = strtoul(argv[1],0,0);
|
||||
varset.yres = strtoul(argv[2],0,0);
|
||||
varset.xres_virtual = strtoul(argv[3],0,0);
|
||||
varset.yres_virtual = strtoul(argv[4],0,0);
|
||||
varset.bits_per_pixel = strtoul(argv[5],0,0);
|
||||
break;
|
||||
case CMD_TIMING:
|
||||
varset.pixclock = strtoul(argv[1],0,0);
|
||||
varset.left_margin = strtoul(argv[2],0,0);
|
||||
varset.right_margin = strtoul(argv[3],0,0);
|
||||
varset.upper_margin = strtoul(argv[4],0,0);
|
||||
varset.lower_margin = strtoul(argv[5],0,0);
|
||||
varset.hsync_len = strtoul(argv[6],0,0);
|
||||
varset.vsync_len = strtoul(argv[7],0,0);
|
||||
break;
|
||||
memset(&varset, 0xFF, sizeof(varset));
|
||||
|
||||
/* parse cmd args.... why do they have to make things so difficult? */
|
||||
argv++;
|
||||
argc--;
|
||||
for (; argc > 0 && (thisarg = *argv); argc--, argv++) {
|
||||
for (i = 0; g_cmdoptions[i].name; i++) {
|
||||
if (!strcmp(thisarg, g_cmdoptions[i].name)) {
|
||||
if (argc - 1 < g_cmdoptions[i].param_count)
|
||||
fbset_usage();
|
||||
switch (g_cmdoptions[i].code) {
|
||||
case CMD_HELP:
|
||||
fbset_usage();
|
||||
case CMD_FB:
|
||||
fbdev = argv[1];
|
||||
break;
|
||||
case CMD_DB:
|
||||
modefile = argv[1];
|
||||
break;
|
||||
case CMD_GEOMETRY:
|
||||
varset.xres = strtoul(argv[1], 0, 0);
|
||||
varset.yres = strtoul(argv[2], 0, 0);
|
||||
varset.xres_virtual = strtoul(argv[3], 0, 0);
|
||||
varset.yres_virtual = strtoul(argv[4], 0, 0);
|
||||
varset.bits_per_pixel = strtoul(argv[5], 0, 0);
|
||||
break;
|
||||
case CMD_TIMING:
|
||||
varset.pixclock = strtoul(argv[1], 0, 0);
|
||||
varset.left_margin = strtoul(argv[2], 0, 0);
|
||||
varset.right_margin = strtoul(argv[3], 0, 0);
|
||||
varset.upper_margin = strtoul(argv[4], 0, 0);
|
||||
varset.lower_margin = strtoul(argv[5], 0, 0);
|
||||
varset.hsync_len = strtoul(argv[6], 0, 0);
|
||||
varset.vsync_len = strtoul(argv[7], 0, 0);
|
||||
break;
|
||||
#ifdef BB_FBSET_FANCY
|
||||
case CMD_XRES: varset.xres = strtoul(argv[1],0,0); break;
|
||||
case CMD_YRES: varset.yres = strtoul(argv[1],0,0); break;
|
||||
case CMD_XRES:
|
||||
varset.xres = strtoul(argv[1], 0, 0);
|
||||
break;
|
||||
case CMD_YRES:
|
||||
varset.yres = strtoul(argv[1], 0, 0);
|
||||
break;
|
||||
#endif
|
||||
}
|
||||
argc -= g_cmdoptions[i].param_count;
|
||||
argv += g_cmdoptions[i].param_count;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (!g_cmdoptions[i].name) {
|
||||
if (argc == 1) {
|
||||
mode = *argv;
|
||||
g_options |= OPT_READMODE;
|
||||
} else {
|
||||
fbset_usage();
|
||||
}
|
||||
}
|
||||
argc -= g_cmdoptions[i].param_count;
|
||||
argv += g_cmdoptions[i].param_count;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (!g_cmdoptions[i].name) {
|
||||
if (argc == 1) {
|
||||
mode = *argv;
|
||||
g_options |= OPT_READMODE;
|
||||
} else {
|
||||
fbset_usage();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if ((fh = open(fbdev, O_RDONLY)) < 0) PERROR("fbset(open)");
|
||||
if (ioctl(fh, FBIOGET_VSCREENINFO, &var)) PERROR("fbset(ioctl)");
|
||||
if (g_options & OPT_READMODE) {
|
||||
if (!readmode(&var, modefile, mode)) {
|
||||
fprintf(stderr, "Unknown video mode `%s'\n", mode);
|
||||
exit(1);
|
||||
if ((fh = open(fbdev, O_RDONLY)) < 0)
|
||||
PERROR("fbset(open)");
|
||||
if (ioctl(fh, FBIOGET_VSCREENINFO, &var))
|
||||
PERROR("fbset(ioctl)");
|
||||
if (g_options & OPT_READMODE) {
|
||||
if (!readmode(&var, modefile, mode)) {
|
||||
fprintf(stderr, "Unknown video mode `%s'\n", mode);
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
setmode(&var, &varset);
|
||||
if (g_options & OPT_CHANGE)
|
||||
if (ioctl(fh, FBIOPUT_VSCREENINFO, &var)) PERROR("fbset(ioctl)");
|
||||
showmode(&var);
|
||||
close(fh);
|
||||
|
||||
return(TRUE);
|
||||
setmode(&var, &varset);
|
||||
if (g_options & OPT_CHANGE)
|
||||
if (ioctl(fh, FBIOPUT_VSCREENINFO, &var))
|
||||
PERROR("fbset(ioctl)");
|
||||
showmode(&var);
|
||||
close(fh);
|
||||
|
||||
return (TRUE);
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user