Lines Matching refs:var
90 static int mc68x328fb_check_var(struct fb_var_screeninfo *var,
95 static int mc68x328fb_pan_display(struct fb_var_screeninfo *var,
132 static int mc68x328fb_check_var(struct fb_var_screeninfo *var, in mc68x328fb_check_var() argument
142 if (var->vmode & FB_VMODE_CONUPDATE) { in mc68x328fb_check_var()
143 var->vmode |= FB_VMODE_YWRAP; in mc68x328fb_check_var()
144 var->xoffset = info->var.xoffset; in mc68x328fb_check_var()
145 var->yoffset = info->var.yoffset; in mc68x328fb_check_var()
151 if (!var->xres) in mc68x328fb_check_var()
152 var->xres = 1; in mc68x328fb_check_var()
153 if (!var->yres) in mc68x328fb_check_var()
154 var->yres = 1; in mc68x328fb_check_var()
155 if (var->xres > var->xres_virtual) in mc68x328fb_check_var()
156 var->xres_virtual = var->xres; in mc68x328fb_check_var()
157 if (var->yres > var->yres_virtual) in mc68x328fb_check_var()
158 var->yres_virtual = var->yres; in mc68x328fb_check_var()
159 if (var->bits_per_pixel <= 1) in mc68x328fb_check_var()
160 var->bits_per_pixel = 1; in mc68x328fb_check_var()
161 else if (var->bits_per_pixel <= 8) in mc68x328fb_check_var()
162 var->bits_per_pixel = 8; in mc68x328fb_check_var()
163 else if (var->bits_per_pixel <= 16) in mc68x328fb_check_var()
164 var->bits_per_pixel = 16; in mc68x328fb_check_var()
165 else if (var->bits_per_pixel <= 24) in mc68x328fb_check_var()
166 var->bits_per_pixel = 24; in mc68x328fb_check_var()
167 else if (var->bits_per_pixel <= 32) in mc68x328fb_check_var()
168 var->bits_per_pixel = 32; in mc68x328fb_check_var()
172 if (var->xres_virtual < var->xoffset + var->xres) in mc68x328fb_check_var()
173 var->xres_virtual = var->xoffset + var->xres; in mc68x328fb_check_var()
174 if (var->yres_virtual < var->yoffset + var->yres) in mc68x328fb_check_var()
175 var->yres_virtual = var->yoffset + var->yres; in mc68x328fb_check_var()
181 get_line_length(var->xres_virtual, var->bits_per_pixel); in mc68x328fb_check_var()
182 if (line_length * var->yres_virtual > videomemorysize) in mc68x328fb_check_var()
190 switch (var->bits_per_pixel) { in mc68x328fb_check_var()
192 var->red.offset = 0; in mc68x328fb_check_var()
193 var->red.length = 1; in mc68x328fb_check_var()
194 var->green.offset = 0; in mc68x328fb_check_var()
195 var->green.length = 1; in mc68x328fb_check_var()
196 var->blue.offset = 0; in mc68x328fb_check_var()
197 var->blue.length = 1; in mc68x328fb_check_var()
198 var->transp.offset = 0; in mc68x328fb_check_var()
199 var->transp.length = 0; in mc68x328fb_check_var()
202 var->red.offset = 0; in mc68x328fb_check_var()
203 var->red.length = 8; in mc68x328fb_check_var()
204 var->green.offset = 0; in mc68x328fb_check_var()
205 var->green.length = 8; in mc68x328fb_check_var()
206 var->blue.offset = 0; in mc68x328fb_check_var()
207 var->blue.length = 8; in mc68x328fb_check_var()
208 var->transp.offset = 0; in mc68x328fb_check_var()
209 var->transp.length = 0; in mc68x328fb_check_var()
212 if (var->transp.length) { in mc68x328fb_check_var()
213 var->red.offset = 0; in mc68x328fb_check_var()
214 var->red.length = 5; in mc68x328fb_check_var()
215 var->green.offset = 5; in mc68x328fb_check_var()
216 var->green.length = 5; in mc68x328fb_check_var()
217 var->blue.offset = 10; in mc68x328fb_check_var()
218 var->blue.length = 5; in mc68x328fb_check_var()
219 var->transp.offset = 15; in mc68x328fb_check_var()
220 var->transp.length = 1; in mc68x328fb_check_var()
222 var->red.offset = 0; in mc68x328fb_check_var()
223 var->red.length = 5; in mc68x328fb_check_var()
224 var->green.offset = 5; in mc68x328fb_check_var()
225 var->green.length = 6; in mc68x328fb_check_var()
226 var->blue.offset = 11; in mc68x328fb_check_var()
227 var->blue.length = 5; in mc68x328fb_check_var()
228 var->transp.offset = 0; in mc68x328fb_check_var()
229 var->transp.length = 0; in mc68x328fb_check_var()
233 var->red.offset = 0; in mc68x328fb_check_var()
234 var->red.length = 8; in mc68x328fb_check_var()
235 var->green.offset = 8; in mc68x328fb_check_var()
236 var->green.length = 8; in mc68x328fb_check_var()
237 var->blue.offset = 16; in mc68x328fb_check_var()
238 var->blue.length = 8; in mc68x328fb_check_var()
239 var->transp.offset = 0; in mc68x328fb_check_var()
240 var->transp.length = 0; in mc68x328fb_check_var()
243 var->red.offset = 0; in mc68x328fb_check_var()
244 var->red.length = 8; in mc68x328fb_check_var()
245 var->green.offset = 8; in mc68x328fb_check_var()
246 var->green.length = 8; in mc68x328fb_check_var()
247 var->blue.offset = 16; in mc68x328fb_check_var()
248 var->blue.length = 8; in mc68x328fb_check_var()
249 var->transp.offset = 24; in mc68x328fb_check_var()
250 var->transp.length = 8; in mc68x328fb_check_var()
253 var->red.msb_right = 0; in mc68x328fb_check_var()
254 var->green.msb_right = 0; in mc68x328fb_check_var()
255 var->blue.msb_right = 0; in mc68x328fb_check_var()
256 var->transp.msb_right = 0; in mc68x328fb_check_var()
267 info->fix.line_length = get_line_length(info->var.xres_virtual, in mc68x328fb_set_par()
268 info->var.bits_per_pixel); in mc68x328fb_set_par()
288 if (info->var.grayscale) { in mc68x328fb_setcolreg()
319 red = CNVT_TOHW(red, info->var.red.length); in mc68x328fb_setcolreg()
320 green = CNVT_TOHW(green, info->var.green.length); in mc68x328fb_setcolreg()
321 blue = CNVT_TOHW(blue, info->var.blue.length); in mc68x328fb_setcolreg()
322 transp = CNVT_TOHW(transp, info->var.transp.length); in mc68x328fb_setcolreg()
340 v = (red << info->var.red.offset) | in mc68x328fb_setcolreg()
341 (green << info->var.green.offset) | in mc68x328fb_setcolreg()
342 (blue << info->var.blue.offset) | in mc68x328fb_setcolreg()
343 (transp << info->var.transp.offset); in mc68x328fb_setcolreg()
344 switch (info->var.bits_per_pixel) { in mc68x328fb_setcolreg()
366 static int mc68x328fb_pan_display(struct fb_var_screeninfo *var, in mc68x328fb_pan_display() argument
369 if (var->vmode & FB_VMODE_YWRAP) { in mc68x328fb_pan_display()
370 if (var->yoffset < 0 in mc68x328fb_pan_display()
371 || var->yoffset >= info->var.yres_virtual in mc68x328fb_pan_display()
372 || var->xoffset) in mc68x328fb_pan_display()
375 if (var->xoffset + info->var.xres > info->var.xres_virtual || in mc68x328fb_pan_display()
376 var->yoffset + info->var.yres > info->var.yres_virtual) in mc68x328fb_pan_display()
379 info->var.xoffset = var->xoffset; in mc68x328fb_pan_display()
380 info->var.yoffset = var->yoffset; in mc68x328fb_pan_display()
381 if (var->vmode & FB_VMODE_YWRAP) in mc68x328fb_pan_display()
382 info->var.vmode |= FB_VMODE_YWRAP; in mc68x328fb_pan_display()
384 info->var.vmode &= ~FB_VMODE_YWRAP; in mc68x328fb_pan_display()
452 fb_info.var = mc68x328fb_default; in mc68x328fb_init()
460 if (fb_info.var.bits_per_pixel == 1) { in mc68x328fb_init()
461 fb_info.var.red.length = fb_info.var.green.length = fb_info.var.blue.length = 1; in mc68x328fb_init()
462 fb_info.var.red.offset = fb_info.var.green.offset = fb_info.var.blue.offset = 0; in mc68x328fb_init()