video/fbdev/macmodes.c

209  *	mac_vmode_to_var - converts vmode/cmode pair to var structure
212  *	@var: frame buffer video mode structure
221 int mac_vmode_to_var(int vmode, int cmode, struct fb_var_screeninfo *var)
234     memset(var, 0, sizeof(struct fb_var_screeninfo));
237 	    var->bits_per_pixel = 8;
238 	    var->red.offset = 0;
239 	    var->red.length = 8;
240 	    var->green.offset = 0;
241 	    var->green.length = 8;
242 	    var->blue.offset = 0;
243 	    var->blue.length = 8;
247 	    var->bits_per_pixel = 16;
248 	    var->red.offset = 10;
249 	    var->red.length = 5;
250 	    var->green.offset = 5;
251 	    var->green.length = 5;
252 	    var->blue.offset = 0;
253 	    var->blue.length = 5;
257 	    var->bits_per_pixel = 32;
258 	    var->red.offset = 16;
259 	    var->red.length = 8;
260 	    var->green.offset = 8;
261 	    var->green.length = 8;
262 	    var->blue.offset = 0;
263 	    var->blue.length = 8;
264 	    var->transp.offset = 24;
265 	    var->transp.length = 8;
271     var->xres = mode->xres;
272     var->yres = mode->yres;
273     var->xres_virtual = mode->xres;
274     var->yres_virtual = mode->yres;
275     var->height = -1;
276     var->width = -1;
277     var->pixclock = mode->pixclock;
278     var->left_margin = mode->left_margin;
279     var->right_margin = mode->right_margin;
280     var->upper_margin = mode->upper_margin;
281     var->lower_margin = mode->lower_margin;
282     var->hsync_len = mode->hsync_len;
283     var->vsync_len = mode->vsync_len;
284     var->sync = mode->sync;
285     var->vmode = mode->vmode;
291  *	mac_var_to_vmode - convert var structure to MacOS vmode/cmode pair
292  *	@var: frame buffer video mode structure
303 int mac_var_to_vmode(const struct fb_var_screeninfo *var, int *vmode,
308     if (var->bits_per_pixel <= 8)
310     else if (var->bits_per_pixel <= 16)
312     else if (var->bits_per_pixel <= 32)
324 	if (var->xres > mode->xres || var->yres > mode->yres)
326 	if (var->xres_virtual > mode->xres || var->yres_virtual > mode->yres)
328 	if (var->pixclock > mode->pixclock)
330 	if ((var->vmode & FB_VMODE_MASK) != mode->vmode)
344 	    if (var->pixclock > mode->pixclock)
380  *	@var: frame buffer user defined part of display
398 int mac_find_mode(struct fb_var_screeninfo *var, struct fb_info *info,
409     return fb_find_mode(var, info, mode_option, db, dbsize,