Lines Matching refs:var
123 static int vfb_check_var(struct fb_var_screeninfo *var,
128 static int vfb_pan_display(struct fb_var_screeninfo *var,
168 static int vfb_check_var(struct fb_var_screeninfo *var, in vfb_check_var() argument
178 if (var->vmode & FB_VMODE_CONUPDATE) { in vfb_check_var()
179 var->vmode |= FB_VMODE_YWRAP; in vfb_check_var()
180 var->xoffset = info->var.xoffset; in vfb_check_var()
181 var->yoffset = info->var.yoffset; in vfb_check_var()
187 if (!var->xres) in vfb_check_var()
188 var->xres = 1; in vfb_check_var()
189 if (!var->yres) in vfb_check_var()
190 var->yres = 1; in vfb_check_var()
191 if (var->xres > var->xres_virtual) in vfb_check_var()
192 var->xres_virtual = var->xres; in vfb_check_var()
193 if (var->yres > var->yres_virtual) in vfb_check_var()
194 var->yres_virtual = var->yres; in vfb_check_var()
195 if (var->bits_per_pixel <= 1) in vfb_check_var()
196 var->bits_per_pixel = 1; in vfb_check_var()
197 else if (var->bits_per_pixel <= 8) in vfb_check_var()
198 var->bits_per_pixel = 8; in vfb_check_var()
199 else if (var->bits_per_pixel <= 16) in vfb_check_var()
200 var->bits_per_pixel = 16; in vfb_check_var()
201 else if (var->bits_per_pixel <= 24) in vfb_check_var()
202 var->bits_per_pixel = 24; in vfb_check_var()
203 else if (var->bits_per_pixel <= 32) in vfb_check_var()
204 var->bits_per_pixel = 32; in vfb_check_var()
208 if (var->xres_virtual < var->xoffset + var->xres) in vfb_check_var()
209 var->xres_virtual = var->xoffset + var->xres; in vfb_check_var()
210 if (var->yres_virtual < var->yoffset + var->yres) in vfb_check_var()
211 var->yres_virtual = var->yoffset + var->yres; in vfb_check_var()
217 get_line_length(var->xres_virtual, var->bits_per_pixel); in vfb_check_var()
218 if (line_length * var->yres_virtual > videomemorysize) in vfb_check_var()
226 switch (var->bits_per_pixel) { in vfb_check_var()
229 var->red.offset = 0; in vfb_check_var()
230 var->red.length = 8; in vfb_check_var()
231 var->green.offset = 0; in vfb_check_var()
232 var->green.length = 8; in vfb_check_var()
233 var->blue.offset = 0; in vfb_check_var()
234 var->blue.length = 8; in vfb_check_var()
235 var->transp.offset = 0; in vfb_check_var()
236 var->transp.length = 0; in vfb_check_var()
239 if (var->transp.length) { in vfb_check_var()
240 var->red.offset = 0; in vfb_check_var()
241 var->red.length = 5; in vfb_check_var()
242 var->green.offset = 5; in vfb_check_var()
243 var->green.length = 5; in vfb_check_var()
244 var->blue.offset = 10; in vfb_check_var()
245 var->blue.length = 5; in vfb_check_var()
246 var->transp.offset = 15; in vfb_check_var()
247 var->transp.length = 1; in vfb_check_var()
249 var->red.offset = 0; in vfb_check_var()
250 var->red.length = 5; in vfb_check_var()
251 var->green.offset = 5; in vfb_check_var()
252 var->green.length = 6; in vfb_check_var()
253 var->blue.offset = 11; in vfb_check_var()
254 var->blue.length = 5; in vfb_check_var()
255 var->transp.offset = 0; in vfb_check_var()
256 var->transp.length = 0; in vfb_check_var()
260 var->red.offset = 0; in vfb_check_var()
261 var->red.length = 8; in vfb_check_var()
262 var->green.offset = 8; in vfb_check_var()
263 var->green.length = 8; in vfb_check_var()
264 var->blue.offset = 16; in vfb_check_var()
265 var->blue.length = 8; in vfb_check_var()
266 var->transp.offset = 0; in vfb_check_var()
267 var->transp.length = 0; in vfb_check_var()
270 var->red.offset = 0; in vfb_check_var()
271 var->red.length = 8; in vfb_check_var()
272 var->green.offset = 8; in vfb_check_var()
273 var->green.length = 8; in vfb_check_var()
274 var->blue.offset = 16; in vfb_check_var()
275 var->blue.length = 8; in vfb_check_var()
276 var->transp.offset = 24; in vfb_check_var()
277 var->transp.length = 8; in vfb_check_var()
280 var->red.msb_right = 0; in vfb_check_var()
281 var->green.msb_right = 0; in vfb_check_var()
282 var->blue.msb_right = 0; in vfb_check_var()
283 var->transp.msb_right = 0; in vfb_check_var()
294 info->fix.line_length = get_line_length(info->var.xres_virtual, in vfb_set_par()
295 info->var.bits_per_pixel); in vfb_set_par()
315 if (info->var.grayscale) { in vfb_setcolreg()
349 red = CNVT_TOHW(red, info->var.red.length); in vfb_setcolreg()
350 green = CNVT_TOHW(green, info->var.green.length); in vfb_setcolreg()
351 blue = CNVT_TOHW(blue, info->var.blue.length); in vfb_setcolreg()
352 transp = CNVT_TOHW(transp, info->var.transp.length); in vfb_setcolreg()
370 v = (red << info->var.red.offset) | in vfb_setcolreg()
371 (green << info->var.green.offset) | in vfb_setcolreg()
372 (blue << info->var.blue.offset) | in vfb_setcolreg()
373 (transp << info->var.transp.offset); in vfb_setcolreg()
374 switch (info->var.bits_per_pixel) { in vfb_setcolreg()
396 static int vfb_pan_display(struct fb_var_screeninfo *var, in vfb_pan_display() argument
399 if (var->vmode & FB_VMODE_YWRAP) { in vfb_pan_display()
400 if (var->yoffset >= info->var.yres_virtual || in vfb_pan_display()
401 var->xoffset) in vfb_pan_display()
404 if (var->xoffset + info->var.xres > info->var.xres_virtual || in vfb_pan_display()
405 var->yoffset + info->var.yres > info->var.yres_virtual) in vfb_pan_display()
408 info->var.xoffset = var->xoffset; in vfb_pan_display()
409 info->var.yoffset = var->yoffset; in vfb_pan_display()
410 if (var->vmode & FB_VMODE_YWRAP) in vfb_pan_display()
411 info->var.vmode |= FB_VMODE_YWRAP; in vfb_pan_display()
413 info->var.vmode &= ~FB_VMODE_YWRAP; in vfb_pan_display()
507 retval = fb_find_mode(&info->var, info, NULL, in vfb_probe()
511 info->var = vfb_default; in vfb_probe()