Lines Matching refs:var

436 static int tdfxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
441 if (var->bits_per_pixel != 8 && var->bits_per_pixel != 16 &&
442 var->bits_per_pixel != 24 && var->bits_per_pixel != 32) {
443 DPRINTK("depth not supported: %u\n", var->bits_per_pixel);
447 if (var->xres != var->xres_virtual)
448 var->xres_virtual = var->xres;
450 if (var->yres > var->yres_virtual)
451 var->yres_virtual = var->yres;
453 if (var->xoffset) {
457 var->yoffset = 0;
465 if (((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) &&
472 info->monspecs.dclkmax && fb_validate_mode(var, info) < 0) {
477 var->xres = (var->xres + 15) & ~15; /* could sometimes be 8 */
478 lpitch = var->xres * ((var->bits_per_pixel + 7) >> 3);
480 if (var->xres < 320 || var->xres > 2048) {
481 DPRINTK("width not supported: %u\n", var->xres);
485 if (var->yres < 200 || var->yres > 2048) {
486 DPRINTK("height not supported: %u\n", var->yres);
490 if (lpitch * var->yres_virtual > info->fix.smem_len) {
491 var->yres_virtual = info->fix.smem_len / lpitch;
492 if (var->yres_virtual < var->yres) {
494 var->xres, var->yres_virtual,
495 var->bits_per_pixel);
500 if (PICOS2KHZ(var->pixclock) > par->max_pixclock) {
502 PICOS2KHZ(var->pixclock));
506 var->transp.offset = 0;
507 var->transp.length = 0;
508 switch (var->bits_per_pixel) {
510 var->red.length = 8;
511 var->red.offset = 0;
512 var->green = var->red;
513 var->blue = var->red;
516 var->red.offset = 11;
517 var->red.length = 5;
518 var->green.offset = 5;
519 var->green.length = 6;
520 var->blue.offset = 0;
521 var->blue.length = 5;
524 var->transp.offset = 24;
525 var->transp.length = 8;
528 var->red.offset = 16;
529 var->green.offset = 8;
530 var->blue.offset = 0;
531 var->red.length = var->green.length = var->blue.length = 8;
534 var->width = -1;
535 var->height = -1;
537 var->accel_flags = FB_ACCELF_TEXT;
540 var->xres, var->yres, var->bits_per_pixel);
547 u32 hdispend = info->var.xres;
548 u32 hsyncsta = hdispend + info->var.right_margin;
549 u32 hsyncend = hsyncsta + info->var.hsync_len;
550 u32 htotal = hsyncend + info->var.left_margin;
556 u32 cpp = (info->var.bits_per_pixel + 7) >> 3;
566 freq = PICOS2KHZ(info->var.pixclock);
588 if ((info->var.vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE) {
589 vd = (info->var.yres << 1) - 1;
590 vs = vd + (info->var.lower_margin << 1);
591 ve = vs + (info->var.vsync_len << 1);
592 vt = ve + (info->var.upper_margin << 1) - 1;
593 reg.screensize = info->var.xres | (info->var.yres << 13);
597 vd = info->var.yres - 1;
598 vs = vd + info->var.lower_margin;
599 ve = vs + info->var.vsync_len;
600 vt = ve + info->var.upper_margin - 1;
601 reg.screensize = info->var.xres | (info->var.yres << 12);
609 (info->var.xres < 400 ? 0xa0 :
610 info->var.xres < 480 ? 0x60 :
611 info->var.xres < 768 ? 0xe0 : 0x20);
694 reg.stride = info->var.xres * cpp;
695 reg.startaddr = info->var.yoffset * reg.stride
696 + info->var.xoffset * cpp;
704 if ((info->var.vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED)
709 switch (info->var.bits_per_pixel) {
729 info->fix.visual = (info->var.bits_per_pixel == 8)
733 info->var.xres, info->var.yres, info->var.bits_per_pixel);
751 if (info->var.grayscale) {
768 rgbcol = (CNVT_TOHW(red, info->var.red.length) <<
769 info->var.red.offset) |
770 (CNVT_TOHW(green, info->var.green.length) <<
771 info->var.green.offset) |
772 (CNVT_TOHW(blue, info->var.blue.length) <<
773 info->var.blue.offset) |
774 (CNVT_TOHW(transp, info->var.transp.length) <<
775 info->var.transp.offset);
781 DPRINTK("bad depth %u\n", info->var.bits_per_pixel);
824 * Set the starting position of the visible screen to var->yoffset
826 static int tdfxfb_pan_display(struct fb_var_screeninfo *var,
830 u32 addr = var->yoffset * info->fix.line_length;
832 if (nopan || var->xoffset)
849 u32 bpp = info->var.bits_per_pixel;
893 u32 bpp = info->var.bits_per_pixel;
952 u32 bpp = info->var.bits_per_pixel;
1089 int y = cursor->image.dy - info->var.yoffset;
1482 info->var.bits_per_pixel = 8;
1498 fb_videomode_to_var(&info->var, m);
1499 /* fill all other info->var's fields */
1500 if (tdfxfb_check_var(&info->var, info) < 0)
1501 info->var = tdfx_var;
1512 err = fb_find_mode(&info->var, info, mode_option,
1514 NULL, info->var.bits_per_pixel);
1516 info->var = tdfx_var;
1525 lpitch = info->var.xres_virtual * ((info->var.bits_per_pixel + 7) >> 3);
1526 info->var.yres_virtual = info->fix.smem_len / lpitch;
1527 if (info->var.yres_virtual < info->var.yres)