diff options
Diffstat (limited to 'fbset.c')
| -rw-r--r-- | fbset.c | 61 |
1 files changed, 49 insertions, 12 deletions
@@ -32,15 +32,9 @@ #include <errno.h> #include <ctype.h> #include <sys/ioctl.h> -#include <linux/fb.h> -#include <linux/version.h> #define PERROR(ctx) do { perror(ctx); exit(1); } while(0) -#ifndef KERNEL_VERSION -#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c)) -#endif - #define DEFAULTFBDEV "/dev/fb0" #define DEFAULTFBMODE "/etc/fb.modes" @@ -88,6 +82,55 @@ static unsigned int g_options = 0; +/* Stuff stolen from the kernel's fb.h */ +#define FBIOGET_VSCREENINFO 0x4600 +#define FBIOPUT_VSCREENINFO 0x4601 +#define __u32 unsigned int +struct fb_bitfield { + __u32 offset; /* beginning of bitfield */ + __u32 length; /* length of bitfield */ + __u32 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 */ + + __u32 bits_per_pixel; /* guess what */ + __u32 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 */ + + __u32 nonstd; /* != 0 Non standard pixel format */ + + __u32 activate; /* see FB_ACTIVATE_* */ + + __u32 height; /* height of picture in mm */ + __u32 width; /* width of picture in mm */ + + __u32 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 */ +}; + + struct cmdoptions_t { char *name; unsigned char param_count; @@ -271,16 +314,10 @@ static void showmode(struct fb_var_screeninfo *v) #endif 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")); -#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); -#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); |