diff options
Diffstat (limited to 'TVout/fbset/fbset.c')
| -rw-r--r-- | TVout/fbset/fbset.c | 1054 |
1 files changed, 1054 insertions, 0 deletions
diff --git a/TVout/fbset/fbset.c b/TVout/fbset/fbset.c new file mode 100644 index 0000000000..a9da078ede --- /dev/null +++ b/TVout/fbset/fbset.c @@ -0,0 +1,1054 @@ +/* + * Linux Frame Buffer Device Configuration + * + * © Copyright 1995-1999 by Geert Uytterhoeven + * (Geert.Uytterhoeven@cs.kuleuven.ac.be) + * + * -------------------------------------------------------------------------- + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of the Linux + * distribution for more details. + * + * Petr Vandrovec <vandrove@vc.cvut.cz>: + * -grayscale, -rgba, -nonstd, VGA modes reporting + * + * Brad Midgley <brad@exodus.pht.com>: + * -match + * + */ + + +#include <stdarg.h> +#include <stdlib.h> +#include <unistd.h> +#include <string.h> +#include <fcntl.h> +#include <errno.h> +#include <sys/ioctl.h> +#include <ctype.h> +#include <sys/stat.h> + +struct file; +struct inode; + +#include "fb.h" + +#include "fbset.h" + + + /* + * Default Frame Buffer Special Device Node + */ + +#define DEFAULT_FRAMEBUFFER "/dev/fb0" + + + /* + * Default Video Mode Database File + */ + +#define DEFAULT_MODEDBFILE "/etc/fb.modes" + + + /* + * Command Line Options + */ + +static const char *ProgramName; + +static int Opt_test = 0; +static int Opt_show = 0; +static int Opt_info = 0; +static int Opt_version = 0; +static int Opt_verbose = 0; +static int Opt_xfree86 = 0; +static int Opt_change = 0; +static int Opt_all = 0; + +static const char *Opt_fb = NULL; +const char *Opt_modedb = DEFAULT_MODEDBFILE; +static const char *Opt_xres = NULL; +static const char *Opt_yres = NULL; +static const char *Opt_vxres = NULL; +static const char *Opt_vyres = NULL; +static const char *Opt_depth = NULL; +static const char *Opt_pixclock = NULL; +static const char *Opt_left = NULL; +static const char *Opt_right = NULL; +static const char *Opt_upper = NULL; +static const char *Opt_lower = NULL; +static const char *Opt_hslen = NULL; +static const char *Opt_vslen = NULL; +static const char *Opt_accel = NULL; +static const char *Opt_hsync = NULL; +static const char *Opt_vsync = NULL; +static const char *Opt_csync = NULL; +static const char *Opt_gsync = NULL; +static const char *Opt_extsync = NULL; +static const char *Opt_bcast = NULL; +static const char *Opt_laced = NULL; +static const char *Opt_double = NULL; +static const char *Opt_move = NULL; +static const char *Opt_step = NULL; +static const char *Opt_modename = NULL; +static const char *Opt_rgba = NULL; +static const char *Opt_nonstd = NULL; +static const char *Opt_grayscale = NULL; +static const char *Opt_matchyres = NULL; + +static struct { + const char *name; + const char **value; + const int change; +} Options[] = { + { "-fb", &Opt_fb, 0 }, + { "-db", &Opt_modedb, 0 }, + { "-xres", &Opt_xres, 1 }, + { "-yres", &Opt_yres, 1 }, + { "-vxres", &Opt_vxres, 1 }, + { "-vyres", &Opt_vyres, 1 }, + { "-depth", &Opt_depth, 1 }, + { "-nonstd", &Opt_nonstd, 1}, + { "-pixclock", &Opt_pixclock, 1 }, + { "-left", &Opt_left, 1 }, + { "-right", &Opt_right, 1 }, + { "-upper", &Opt_upper, 1 }, + { "-lower", &Opt_lower, 1 }, + { "-hslen", &Opt_hslen, 1 }, + { "-vslen", &Opt_vslen, 1 }, + { "-accel", &Opt_accel, 1 }, + { "-hsync", &Opt_hsync, 1 }, + { "-vsync", &Opt_vsync, 1 }, + { "-csync", &Opt_csync, 1 }, + { "-gsync", &Opt_gsync, 1 }, + { "-extsync", &Opt_extsync, 1 }, + { "-bcast", &Opt_bcast, 1 }, + { "-laced", &Opt_laced, 1 }, + { "-double", &Opt_double, 1 }, + { "-move", &Opt_move, 1 }, + { "-step", &Opt_step, 1 }, + { "-rgba", &Opt_rgba, 1 }, + { "-grayscale", &Opt_grayscale, 1 }, + { NULL, NULL, 0 } +}; + + + /* + * Video Mode Database + */ + +struct VideoMode *VideoModes = NULL; + + + /* + * Hardware Text Modes + */ + +static struct textentry { + __u32 id; + const char *name; +} Textmodes[] = { + { FB_AUX_TEXT_MDA, "Monochrome text" }, + { FB_AUX_TEXT_CGA, "CGA/EGA/VGA Color text" }, + { FB_AUX_TEXT_S3_MMIO, "S3 MMIO fasttext" }, + { FB_AUX_TEXT_MGA_STEP16, "MGA Millennium I step 16 text" }, + { FB_AUX_TEXT_MGA_STEP8, "MGA step 8 text" }, +}; + +static struct textentry VGAModes[] = { + { FB_AUX_VGA_PLANES_VGA4, "VGA 16 colors in 4 planes" }, + { FB_AUX_VGA_PLANES_CFB4, "VGA 16 colors in 1 plane" }, + { FB_AUX_VGA_PLANES_CFB8, "VGA 256 colors in 4 planes" }, + /* last entry has name == NULL */ + { 0, NULL} +}; + + /* + * Hardware Accelerators + */ + +static struct accelentry { + __u32 id; + const char *name; +} Accelerators[] = { + { FB_ACCEL_NONE, "No" }, + { FB_ACCEL_ATARIBLITT, "Atari Blitter" }, + { FB_ACCEL_AMIGABLITT, "Amiga Blitter" }, + { FB_ACCEL_S3_TRIO64, "S3 Trio64" }, + { FB_ACCEL_NCR_77C32BLT, "NCR 77C32BLT" }, + { FB_ACCEL_S3_VIRGE, "S3 ViRGE" }, + { FB_ACCEL_ATI_MACH64GX, "ATI Mach64GX" }, + { FB_ACCEL_DEC_TGA, "DEC 21030 TGA" }, + { FB_ACCEL_ATI_MACH64CT, "ATI Mach64CT" }, + { FB_ACCEL_ATI_MACH64VT, "ATI Mach64VT" }, + { FB_ACCEL_ATI_MACH64GT, "ATI Mach64GT" }, + { FB_ACCEL_SUN_CREATOR, "Sun Creator/Creator3D" }, + { FB_ACCEL_SUN_CGSIX, "Sun cg6" }, + { FB_ACCEL_SUN_LEO, "Sun leo/zx" }, + { FB_ACCEL_IMS_TWINTURBO, "IMS Twin Turbo" }, + { FB_ACCEL_3DLABS_PERMEDIA2, "3Dlabs Permedia 2" }, + { FB_ACCEL_MATROX_MGA2064W, "Matrox MGA2064W (Millennium)" }, + { FB_ACCEL_MATROX_MGA1064SG, "Matrox MGA1064SG (Mystique)" }, + { FB_ACCEL_MATROX_MGA2164W, "Matrox MGA2164W (Millennium II)" }, + { FB_ACCEL_MATROX_MGA2164W_AGP, "Matrox MGA2164W (Millennium II AGP)" }, + { FB_ACCEL_MATROX_MGAG100, "Matrox G100 (Productiva G100)" }, + { FB_ACCEL_MATROX_MGAG200, "Matrox G200 (Millennium, Mystique)" }, + { FB_ACCEL_SUN_CG14, "Sun cg14" }, + { FB_ACCEL_SUN_BWTWO, "Sun bw2" }, + { FB_ACCEL_SUN_CGTHREE, "Sun cg3" }, + { FB_ACCEL_SUN_TCX, "Sun tcx" }, + { FB_ACCEL_MATROX_MGAG400, "Matrox G400" }, +}; + + + /* + * Current Video Mode + */ + +struct VideoMode Current; + + + /* + * Function Prototypes + */ + +int OpenFrameBuffer(const char *name); +void CloseFrameBuffer(int fh); +void GetVarScreenInfo(int fh, struct fb_var_screeninfo *var); +void SetVarScreenInfo(int fh, struct fb_var_screeninfo *var); +void GetFixScreenInfo(int fh, struct fb_fix_screeninfo *fix); +static void ConvertFromVideoMode(const struct VideoMode *vmode, + struct fb_var_screeninfo *var); +static void ConvertToVideoMode(const struct fb_var_screeninfo *var, + struct VideoMode *vmode); +static int atoboolean(const char *var); +static void ReadModeDB(void); +static struct VideoMode *FindVideoMode(const char *name); +static void ModifyVideoMode(struct VideoMode *vmode); +static void DisplayVModeInfo(struct VideoMode *vmode); +static void DisplayFBInfo(struct fb_fix_screeninfo *fix); +static int FillScanRates(struct VideoMode *vmode); +static void Usage(void) __attribute__ ((noreturn)); +int main(int argc, char *argv[]); + + + /* + * Print an Error Message and Exit + */ + +void Die(const char *fmt, ...) +{ + va_list ap; + + fflush(stdout); + va_start(ap, fmt); + vfprintf(stderr, fmt, ap); + va_end(ap); + exit(1); +} + + + /* + * Open the Frame Buffer Device + */ + +int OpenFrameBuffer(const char *name) +{ + int fh; + + if (Opt_verbose) + printf("Opening frame buffer device `%s'\n", name); + + if ((fh = open(name, O_RDONLY)) == -1) + Die("open %s: %s\n", name, strerror(errno)); + return fh; +} + + + /* + * Close the Frame Buffer Device + */ + +void CloseFrameBuffer(int fh) +{ + close(fh); +} + + /* + * Get the Variable Part of the Screen Info + */ + +void GetVarScreenInfo(int fh, struct fb_var_screeninfo *var) +{ + if (ioctl(fh, FBIOGET_VSCREENINFO, var)) + Die("ioctl FBIOGET_VSCREENINFO: %s\n", strerror(errno)); +} + + + /* + * Set (and Get) the Variable Part of the Screen Info + */ + +void SetVarScreenInfo(int fh, struct fb_var_screeninfo *var) +{ + if (ioctl(fh, FBIOPUT_VSCREENINFO, var)) + Die("ioctl FBIOPUT_VSCREENINFO: %s\n", strerror(errno)); +} + + + /* + * Get the Fixed Part of the Screen Info + */ + +void GetFixScreenInfo(int fh, struct fb_fix_screeninfo *fix) +{ + if (ioctl(fh, FBIOGET_FSCREENINFO, fix)) + Die("ioctl FBIOGET_FSCREENINFO: %s\n", strerror(errno)); +} + + + /* + * Conversion Routines + */ + +static void ConvertFromVideoMode(const struct VideoMode *vmode, + struct fb_var_screeninfo *var) +{ + memset(var, 0, sizeof(struct fb_var_screeninfo)); + var->xres = vmode->xres; + var->yres = vmode->yres; + var->xres_virtual = vmode->vxres; + var->yres_virtual = vmode->vyres; + var->bits_per_pixel = vmode->depth; + var->nonstd = vmode->nonstd; + if (Opt_test) + var->activate = FB_ACTIVATE_TEST; + else + var->activate = FB_ACTIVATE_NOW; + if (Opt_all) + var->activate = FB_ACTIVATE_ALL; + var->accel_flags = vmode->accel_flags; + var->pixclock = vmode->pixclock; + var->left_margin = vmode->left; + var->right_margin = vmode->right; + var->upper_margin = vmode->upper; + var->lower_margin = vmode->lower; + var->hsync_len = vmode->hslen; + var->vsync_len = vmode->vslen; + if (vmode->hsync == HIGH) + var->sync |= FB_SYNC_HOR_HIGH_ACT; + if (vmode->vsync == HIGH) + var->sync |= FB_SYNC_VERT_HIGH_ACT; + if (vmode->csync == HIGH) + var->sync |= FB_SYNC_COMP_HIGH_ACT; + if (vmode->gsync == HIGH) + var->sync |= FB_SYNC_ON_GREEN; + if (vmode->extsync == TRUE) + var->sync |= FB_SYNC_EXT; + if (vmode->bcast == TRUE) + var->sync |= FB_SYNC_BROADCAST; + if (vmode->laced == TRUE) + var->vmode = FB_VMODE_INTERLACED; + else if (vmode->dblscan == TRUE) + var->vmode = FB_VMODE_DOUBLE; + else + var->vmode = FB_VMODE_NONINTERLACED; + var->vmode |= FB_VMODE_CONUPDATE; + var->red.length = vmode->red.length; + var->red.offset = vmode->red.offset; + var->green.length = vmode->green.length; + var->green.offset = vmode->green.offset; + var->blue.length = vmode->blue.length; + var->blue.offset = vmode->blue.offset; + var->transp.length = vmode->transp.length; + var->transp.offset = vmode->transp.offset; + var->grayscale = vmode->grayscale; +} + + +static void ConvertToVideoMode(const struct fb_var_screeninfo *var, + struct VideoMode *vmode) +{ + vmode->name = NULL; + vmode->xres = var->xres; + vmode->yres = var->yres; + vmode->vxres = var->xres_virtual; + vmode->vyres = var->yres_virtual; + vmode->depth = var->bits_per_pixel; + vmode->nonstd = var->nonstd; + vmode->accel_flags = var->accel_flags; + vmode->pixclock = var->pixclock; + vmode->left = var->left_margin; + vmode->right = var->right_margin; + vmode->upper = var->upper_margin; + vmode->lower = var->lower_margin; + vmode->hslen = var->hsync_len; + vmode->vslen = var->vsync_len; + vmode->hsync = var->sync & FB_SYNC_HOR_HIGH_ACT ? HIGH : LOW; + vmode->vsync = var->sync & FB_SYNC_VERT_HIGH_ACT ? HIGH : LOW; + vmode->csync = var->sync & FB_SYNC_COMP_HIGH_ACT ? HIGH : LOW; + vmode->gsync = var->sync & FB_SYNC_ON_GREEN ? TRUE : FALSE; + vmode->extsync = var->sync & FB_SYNC_EXT ? TRUE : FALSE; + vmode->bcast = var->sync & FB_SYNC_BROADCAST ? TRUE : FALSE; + vmode->grayscale = var->grayscale; + vmode->laced = FALSE; + vmode->dblscan = FALSE; + switch (var->vmode & FB_VMODE_MASK) { + case FB_VMODE_INTERLACED: + vmode->laced = TRUE; + break; + case FB_VMODE_DOUBLE: + vmode->dblscan = TRUE; + break; + } + vmode->red.length = var->red.length; + vmode->red.offset = var->red.offset; + vmode->green.length = var->green.length; + vmode->green.offset = var->green.offset; + vmode->blue.length = var->blue.length; + vmode->blue.offset = var->blue.offset; + vmode->transp.length = var->transp.length; + vmode->transp.offset = var->transp.offset; + FillScanRates(vmode); +} + + +static int atoboolean(const char *var) +{ + int value = 0; + + if (!strcasecmp(var, "false") || !strcasecmp(var, "low") || + !strcasecmp(var, "no") || !strcasecmp(var, "off") || + !strcmp(var, "0")) + value = 0; + else if (!strcasecmp(var, "true") || !strcasecmp(var, "high") || + !strcasecmp(var, "yes") || !strcasecmp(var, "on") || + !strcmp(var, "1")) + value = 1; + else + Die("Invalid value `%s'\n", var); + + return value; +} + + +void AddVideoMode(const struct VideoMode *vmode) +{ + struct VideoMode *vmode2; + + if (FindVideoMode(vmode->name)) + Die("%s:%d: Duplicate mode name `%s'\n", Opt_modedb, line, + vmode->name); + vmode2 = malloc(sizeof(struct VideoMode)); + *vmode2 = *vmode; + if (!FillScanRates(vmode2)) + Die("%s:%d: Bad video mode `%s'\n", Opt_modedb, line, vmode2->name); + vmode2->next = VideoModes; + VideoModes = vmode2; +} + + + /* + * Read the Video Mode Database + */ + +static void ReadModeDB(void) +{ + if (Opt_verbose) + printf("Reading mode database from file `%s'\n", Opt_modedb); + + if (!(yyin = fopen(Opt_modedb, "r"))) + Die("fopen %s: %s\n", Opt_modedb, strerror(errno)); + yyparse(); + fclose(yyin); +} + + +static void getColor(struct color *color, const char** opt) +{ + char* ptr; + + color->length = 0; + color->offset = 0; + ptr = (char*)(*opt); + if (!ptr) + return; + color->length = strtoul(ptr, &ptr, 0); + if (!ptr) + return; + if (*ptr == '/') + color->offset = strtoul(ptr+1, &ptr, 0); + if (ptr) { + while (*ptr && isspace(*ptr)) + ptr++; + if (*ptr == ',') { + ptr++; + } else if (*ptr) + Die("Bad RGBA syntax, rL/rO,gL/gO,bL/bO,tL/tO or rL,gL,bL,tL\n"); + } + *opt = ptr; + return; +} + +void makeRGBA(struct VideoMode *vmode, const char* opt) +{ + getColor(&vmode->red, &opt); + getColor(&vmode->green, &opt); + getColor(&vmode->blue, &opt); + getColor(&vmode->transp, &opt); +} + + /* + * Find a Video Mode + */ + +static struct VideoMode *FindVideoMode(const char *name) +{ + struct VideoMode *vmode; + + for (vmode = VideoModes; vmode; vmode = vmode->next) + if (!strcmp(name, vmode->name)) + break; + + return vmode; +} + + + /* + * Modify a Video Mode + */ + +static void ModifyVideoMode(struct VideoMode *vmode) +{ + u_int hstep = 8, vstep = 2; + + if (Opt_xres) + vmode->xres = strtoul(Opt_xres, NULL, 0); + if (Opt_yres) + vmode->yres = strtoul(Opt_yres, NULL, 0); + if (Opt_vxres) + vmode->vxres = strtoul(Opt_vxres, NULL, 0); + if (Opt_vyres) + vmode->vyres = strtoul(Opt_vyres, NULL, 0); + if (Opt_depth) + vmode->depth = strtoul(Opt_depth, NULL, 0); + if (Opt_nonstd) + vmode->nonstd = strtoul(Opt_nonstd, NULL, 0); + if (Opt_accel) + vmode->accel_flags = atoboolean(Opt_accel) ? FB_ACCELF_TEXT : 0; + if (Opt_pixclock) + vmode->pixclock = strtoul(Opt_pixclock, NULL, 0); + if (Opt_left) + vmode->left = strtoul(Opt_left, NULL, 0); + if (Opt_right) + vmode->right = strtoul(Opt_right, NULL, 0); + if (Opt_upper) + vmode->upper = strtoul(Opt_upper, NULL, 0); + if (Opt_lower) + vmode->lower = strtoul(Opt_lower, NULL, 0); + if (Opt_hslen) + vmode->hslen = strtoul(Opt_hslen, NULL, 0); + if (Opt_vslen) + vmode->vslen = strtoul(Opt_vslen, NULL, 0); + if (Opt_hsync) + vmode->hsync = atoboolean(Opt_hsync); + if (Opt_vsync) + vmode->vsync = atoboolean(Opt_vsync); + if (Opt_csync) + vmode->csync = atoboolean(Opt_csync); + if (Opt_gsync) + vmode->gsync = atoboolean(Opt_gsync); + if (Opt_extsync) + vmode->extsync = atoboolean(Opt_extsync); + if (Opt_bcast) + vmode->bcast = atoboolean(Opt_bcast); + if (Opt_laced) + vmode->laced = atoboolean(Opt_laced); + if (Opt_double) + vmode->dblscan = atoboolean(Opt_double); + if (Opt_grayscale) + vmode->grayscale = atoboolean(Opt_grayscale); + if (Opt_step) + hstep = vstep = strtoul(Opt_step, NULL, 0); + if (Opt_matchyres) + vmode->vyres = vmode->yres; + if (Opt_move) { + if (!strcasecmp(Opt_move, "left")) { + if (hstep > vmode->left) + Die("The left margin cannot be negative\n"); + vmode->left -= hstep; + vmode->right += hstep; + } else if (!strcasecmp(Opt_move, "right")) { + if (hstep > vmode->right) + Die("The right margin cannot be negative\n"); + vmode->left += hstep; + vmode->right -= hstep; + } else if (!strcasecmp(Opt_move, "up")) { + if (vstep > vmode->upper) + Die("The upper margin cannot be negative\n"); + vmode->upper -= vstep; + vmode->lower += vstep; + } else if (!strcasecmp(Opt_move, "down")) { + if (vstep > vmode->lower) + Die("The lower margin cannot be negative\n"); + vmode->upper += vstep; + vmode->lower -= vstep; + } else + Die("Invalid direction `%s'\n", Opt_move); + } + if (Opt_rgba) { + makeRGBA(vmode, Opt_rgba); + } + if (!FillScanRates(vmode)) + Die("Bad video mode\n"); +} + + + /* + * Display the Video Mode Information + */ + +static void DisplayVModeInfo(struct VideoMode *vmode) +{ + u_int res, sstart, send, total; + + puts(""); + if (!Opt_xfree86) { + printf("mode \"%dx%d", vmode->xres, vmode->yres); + if (vmode->pixclock) { + printf("-%d\"\n", (int)(vmode->vrate+0.5)); + printf(" # D: %5.3f MHz, H: %5.3f kHz, V: %5.3f Hz\n", + vmode->drate/1E6, vmode->hrate/1E3, vmode->vrate); + } else + puts("\""); + printf(" geometry %d %d %d %d %d\n", vmode->xres, vmode->yres, + vmode->vxres, vmode->vyres, vmode->depth); + printf(" timings %d %d %d %d %d %d %d\n", vmode->pixclock, + vmode->left, vmode->right, vmode->upper, vmode->lower, + vmode->hslen, vmode->vslen); + if (vmode->hsync) + puts(" hsync high"); + if (vmode->vsync) + puts(" vsync high"); + if (vmode->csync) + puts(" csync high"); + if (vmode->gsync) + puts(" gsync true"); + if (vmode->extsync) + puts(" extsync true"); + if (vmode->bcast) + puts(" bcast true"); + if (vmode->laced) + puts(" laced true"); + if (vmode->dblscan) + puts(" double true"); + if (vmode->nonstd) + printf(" nonstd %u\n", vmode->nonstd); + if (vmode->accel_flags) + puts(" accel true"); + if (vmode->grayscale) + puts(" grayscale true"); + printf(" rgba %u/%u,%u/%u,%u/%u,%u/%u\n", + vmode->red.length, vmode->red.offset, vmode->green.length, + vmode->green.offset, vmode->blue.length, vmode->blue.offset, + vmode->transp.length, vmode->transp.offset); + puts("endmode\n"); + } else { + printf("Mode \"%dx%d\"\n", vmode->xres, vmode->yres); + if (vmode->pixclock) { + printf(" # D: %5.3f MHz, H: %5.3f kHz, V: %5.3f Hz\n", + vmode->drate/1E6, vmode->hrate/1E3, vmode->vrate); + printf(" DotClock %5.3f\n", vmode->drate/1E6+0.001); + } else + puts(" DotClock Unknown"); + res = vmode->xres; + sstart = res+vmode->right; + send = sstart+vmode->hslen; + total = send+vmode->left; + printf(" HTimings %d %d %d %d\n", res, sstart, send, total); + res = vmode->yres; + sstart = res+vmode->lower; + send = sstart+vmode->vslen; + total = send+vmode->upper; + printf(" VTimings %d %d %d %d\n", res, sstart, send, total); + printf(" Flags "); + if (vmode->laced) + printf(" \"Interlace\""); + if (vmode->dblscan) + printf(" \"DoubleScan\""); + if (vmode->hsync) + printf(" \"+HSync\""); + else + printf(" \"-HSync\""); + if (vmode->vsync) + printf(" \"+VSync\""); + else + printf(" \"-VSync\""); + if (vmode->csync) + printf(" \"Composite\""); + if (vmode->extsync) + puts(" # Warning: XFree86 doesn't support extsync\n"); + if (vmode->bcast) + printf(" \"bcast\""); + if (vmode->accel_flags) + puts(" # Warning: XFree86 doesn't support accel\n"); + if (vmode->grayscale) + puts(" # Warning: XFree86 doesn't support grayscale\n"); + puts("\nEndMode\n"); + } +} + + + /* + * Display the Frame Buffer Device Information + */ + +static void DisplayFBInfo(struct fb_fix_screeninfo *fix) +{ + int i; + + puts("Frame buffer device information:"); + printf(" Name : %s\n", fix->id); + printf(" Address : %p\n", fix->smem_start); + printf(" Size : %d\n", fix->smem_len); + printf(" Type : "); + switch (fix->type) { + case FB_TYPE_PACKED_PIXELS: + puts("PACKED PIXELS"); + break; + case FB_TYPE_PLANES: + puts("PLANES"); + break; + case FB_TYPE_INTERLEAVED_PLANES: + printf("INTERLEAVED PLANES (%d bytes interleave)\n", + fix->type_aux); + break; + case FB_TYPE_TEXT: + for (i = 0; i < sizeof(Textmodes)/sizeof(*Textmodes); i++) + if (fix->type_aux == Textmodes[i].id) + break; + if (i < sizeof(Textmodes)/sizeof(*Textmodes)) + puts(Textmodes[i].name); + else + printf("Unknown text (%d)\n", fix->type_aux); + break; + case FB_TYPE_VGA_PLANES: + { + struct textentry *t; + + for (t = VGAModes; t->name; t++) + if (fix->type_aux == t->id) + break; + if (t->name) + puts(t->name); + else + printf("Unknown VGA mode (%d)\n", fix->type_aux); + } + break; + default: + printf("%d (UNKNOWN)\n", fix->type); + printf(" Type_aux : %d\n", fix->type_aux); + break; + } + printf(" Visual : "); + switch (fix->visual) { + case FB_VISUAL_MONO01: + puts("MONO01"); + break; + case FB_VISUAL_MONO10: + puts("MONO10"); + break; + case FB_VISUAL_TRUECOLOR: + puts("TRUECOLOR"); + break; + case FB_VISUAL_PSEUDOCOLOR: + puts("PSEUDOCOLOR"); + break; + case FB_VISUAL_DIRECTCOLOR: + puts("DIRECTCOLOR"); + break; + case FB_VISUAL_STATIC_PSEUDOCOLOR: + puts("STATIC PSEUDOCOLOR"); + break; + default: + printf("%d (UNKNOWN)\n", fix->visual); + break; + } + printf(" XPanStep : %d\n", fix->xpanstep); + printf(" YPanStep : %d\n", fix->ypanstep); + printf(" YWrapStep : %d\n", fix->ywrapstep); + printf(" LineLength : %d\n", fix->line_length); + if (fix->mmio_len) { + printf(" MMIO Address: %p\n", fix->mmio_start); + printf(" MMIO Size : %d\n", fix->mmio_len); + } + printf(" Accelerator : "); + for (i = 0; i < sizeof(Accelerators)/sizeof(*Accelerators); i++) + if (fix->accel == Accelerators[i].id) + break; + if (i < sizeof(Accelerators)/sizeof(*Accelerators)) + puts(Accelerators[i].name); + else + printf("Unknown (%d)\n", fix->accel); +} + + + /* + * Calculate the Scan Rates for a Video Mode + */ + +static int FillScanRates(struct VideoMode *vmode) +{ + u_int htotal = vmode->left+vmode->xres+vmode->right+vmode->hslen; + u_int vtotal = vmode->upper+vmode->yres+vmode->lower+vmode->vslen; + + if (vmode->dblscan) + vtotal <<= 2; + else if (!vmode->laced) + vtotal <<= 1; + + if (!htotal || !vtotal) + return 0; + + if (vmode->pixclock) { + vmode->drate = 1E12/vmode->pixclock; + vmode->hrate = vmode->drate/htotal; + vmode->vrate = vmode->hrate/vtotal*2; + } else { + vmode->drate = 0; + vmode->hrate = 0; + vmode->vrate = 0; + } + + return 1; +} + + + /* + * Print the Usage Template and Exit + */ + +static void Usage(void) +{ + puts(VERSION); + Die("\nUsage: %s [options] [mode]\n\n" + "Valid options:\n" + " General options:\n" + " -h, --help : display this usage information\n" + " --test : don't change, just test whether the mode is " + "valid\n" + " -s, --show : display video mode settings\n" + " -i, --info : display all frame buffer information\n" + " -v, --verbose : verbose mode\n" + " -V, --version : print version information\n" + " -x, --xfree86 : XFree86 compatibility mode\n" + " -a, --all : change all virtual consoles on this device\n" + " Frame buffer special device nodes:\n" + " -fb <device> : processed frame buffer device\n" + " (default is " DEFAULT_FRAMEBUFFER ")\n" + " Video mode database:\n" + " -db <file> : video mode database file\n" + " (default is " DEFAULT_MODEDBFILE ")\n" + " Display geometry:\n" + " -xres <value> : horizontal resolution (in pixels)\n" + " -yres <value> : vertical resolution (in pixels)\n" + " -vxres <value> : virtual horizontal resolution (in pixels)\n" + " -vyres <value> : virtual vertical resolution (in pixels)\n" + " -depth <value> : display depth (in bits per pixel)\n" + " -nonstd <value> : select nonstandard video mode\n" + " -g, --geometry ... : set all geometry parameters at once\n" + " -match : set virtual vertical resolution by virtual resolution\n" + " Display timings:\n" + " -pixclock <value> : pixel clock (in picoseconds)\n" + " -left <value> : left margin (in pixels)\n" + " -right <value> : right margin (in pixels)\n" + " -upper <value> : upper margin (in pixel lines)\n" + " -lower <value> : lower margin (in pixel lines)\n" + " -hslen <value> : horizontal sync length (in pixels)\n" + " -vslen <value> : vertical sync length (in pixel lines)\n" + " -t, --timings ... : set all timing parameters at once\n" + " Display flags:\n" + " -accel <value> : hardware text acceleration enable (false or " + "true)\n" + " -hsync <value> : horizontal sync polarity (low or high)\n" + " -vsync <value> : vertical sync polarity (low or high)\n" + " -csync <value> : composite sync polarity (low or high)\n" + " -gsync <value> : synch on green (false or true)\n" + " -extsync <value> : external sync enable (false or true)\n" + " -bcast <value> : broadcast enable (false or true)\n" + " -laced <value> : interlace enable (false or true)\n" + " -double <value> : doublescan enable (false or true)\n" + " -rgba <r,g,b,a> : recommended length of color entries\n" + " -grayscale <value> : grayscale enable (false or true)\n" + " Display positioning:\n" + " -move <direction> : move the visible part (left, right, up or " + "down)\n" + " -step <value> : step increment (in pixels or pixel lines)\n" + " (default is 8 horizontal, 2 vertical)\n", + ProgramName); +} + + + /* + * Main Routine + */ + +int main(int argc, char *argv[]) +{ + struct VideoMode *vmode; + struct fb_var_screeninfo var; + struct fb_fix_screeninfo fix; + int fh = -1, i; + + ProgramName = argv[0]; + + /* + * Parse the Options + */ + + while (--argc > 0) { + argv++; + if (!strcmp(argv[0], "-h") || !strcmp(argv[0], "--help")) + Usage(); + else if (!strcmp(argv[0], "-v") || !strcmp(argv[0], "--verbose")) + Opt_verbose = 1; + else if (!strcmp(argv[0], "-V") || !strcmp(argv[0], "--version")) + Opt_version = 1; + else if (!strcmp(argv[0], "--test")) + Opt_test = 1; + else if (!strcmp(argv[0], "-s") || !strcmp(argv[0], "--show")) + Opt_show = 1; + else if (!strcmp(argv[0], "-i") || !strcmp(argv[0], "--info")) { + Opt_show = 1; + Opt_info = 1; + } else if (!strcmp(argv[0], "-x") || !strcmp(argv[0], "--xfree86")) + Opt_xfree86 = 1; + else if (!strcmp(argv[0], "-a") || !strcmp(argv[0], "--all")) + Opt_all = 1; + else if (!strcmp(argv[0], "-g") || !strcmp(argv[0], "--geometry")) { + if (argc > 5) { + Opt_xres = argv[1]; + Opt_yres = argv[2]; + Opt_vxres = argv[3]; + Opt_vyres = argv[4]; + Opt_depth = argv[5]; + Opt_change = 1; + argc -= 5; + argv += 5; + } else + Usage(); + } else if (!strcmp(argv[0], "-t") || !strcmp(argv[0], "--timings")) { + if (argc > 7) { + Opt_pixclock = argv[1]; + Opt_left = argv[2]; + Opt_right = argv[3]; + Opt_upper = argv[4]; + Opt_lower = argv[5]; + Opt_hslen = argv[6]; + Opt_vslen = argv[7]; + Opt_change = 1; + argc -= 7; + argv += 7; + } else + Usage(); + } else if (!strcmp(argv[0], "-match")) { + Opt_matchyres = argv[0]; + Opt_change = 1; + } else { + for (i = 0; Options[i].name; i++) + if (!strcmp(argv[0], Options[i].name)) + break; + if (Options[i].name) { + if (argc-- > 1) { + *Options[i].value = argv[1]; + Opt_change |= Options[i].change; + argv++; + } else + Usage(); + } else if (!Opt_modename) { + Opt_modename = argv[0]; + Opt_change = 1; + } else + Usage(); + } + } + + if (Opt_version || Opt_verbose) + puts(VERSION); + + if (!Opt_fb) + Opt_fb = DEFAULT_FRAMEBUFFER; + + /* + * Open the Frame Buffer Device + */ + + fh = OpenFrameBuffer(Opt_fb); + + /* + * Get the Video Mode + */ + + if (Opt_modename) { + + /* + * Read the Video Mode Database + */ + + ReadModeDB(); + + if (!(vmode = FindVideoMode(Opt_modename))) + Die("Unknown video mode `%s'\n", Opt_modename); + + Current = *vmode; + if (Opt_verbose) + printf("Using video mode `%s'\n", Opt_modename); + } else { + GetVarScreenInfo(fh, &var); + ConvertToVideoMode(&var, &Current); + if (Opt_verbose) + printf("Using current video mode from `%s'\n", Opt_fb); + } + + if (Opt_change) { + + /* + * Optionally Modify the Video Mode + */ + + ModifyVideoMode(&Current); + + /* + * Set the Video Mode + */ + + ConvertFromVideoMode(&Current, &var); + if (Opt_verbose) + printf("Setting video mode to `%s'\n", Opt_fb); + SetVarScreenInfo(fh, &var); + ConvertToVideoMode(&var, &Current); + } + + /* + * Display some Video Mode Information + */ + + if (Opt_show || !Opt_change) + DisplayVModeInfo(&Current); + + if (Opt_info) { + if (Opt_verbose) + puts("Getting further frame buffer information"); + GetFixScreenInfo(fh, &fix); + DisplayFBInfo(&fix); + } + + /* + * Close the Frame Buffer Device + */ + + CloseFrameBuffer(fh); + + exit(0); +} |