Lines Matching refs:var
314 struct fb_var_screeninfo *var)
320 dma_addr = (fix->smem_start + var->yoffset * fix->line_length
321 + var->xoffset * info->var.bits_per_pixel / 8);
347 struct fb_var_screeninfo *var = &info->var;
350 smem_len = (var->xres_virtual * var->yres_virtual
351 * ((var->bits_per_pixel + 7) / 8));
367 static const struct fb_videomode *atmel_lcdfb_choose_mode(struct fb_var_screeninfo *var,
373 fb_var_to_videomode(&varfbmode, var);
376 fb_videomode_to_var(var, fbmode);
382 * atmel_lcdfb_check_var - Validates a var passed in.
383 * @var: frame buffer variable screen structure
387 * var passed in. This function does not alter the hardware
389 * struct atmel_lcdfb_info do not change. This includes the var
393 * this. If the var passed in is slightly off by what the
394 * hardware can support then we alter the var PASSED in to what
399 * needed. In this case the driver would just provide a var that
404 static int atmel_lcdfb_check_var(struct fb_var_screeninfo *var,
416 if (!(var->pixclock && var->bits_per_pixel)) {
418 if (!atmel_lcdfb_choose_mode(var, info)) {
424 dev_dbg(dev, " resolution: %ux%u\n", var->xres, var->yres);
425 dev_dbg(dev, " pixclk: %lu KHz\n", PICOS2KHZ(var->pixclock));
426 dev_dbg(dev, " bpp: %u\n", var->bits_per_pixel);
429 if (PICOS2KHZ(var->pixclock) > clk_value_khz) {
430 dev_err(dev, "%lu KHz pixel clock is too fast\n", PICOS2KHZ(var->pixclock));
435 if (var->xres > var->xres_virtual)
436 var->xres_virtual = var->xres;
438 if (var->yres > var->yres_virtual)
439 var->yres_virtual = var->yres;
442 var->xres = (var->xres + 3) & ~3UL;
443 var->xres_virtual = (var->xres_virtual + 3) & ~3UL;
445 var->red.msb_right = var->green.msb_right = var->blue.msb_right = 0;
446 var->transp.msb_right = 0;
447 var->transp.offset = var->transp.length = 0;
448 var->xoffset = var->yoffset = 0;
451 unsigned int smem_len = (var->xres_virtual * var->yres_virtual
452 * ((var->bits_per_pixel + 7) / 8));
461 var->vsync_len = min_t(u32, var->vsync_len,
463 var->upper_margin = min_t(u32, var->upper_margin,
465 var->lower_margin = min_t(u32, var->lower_margin,
467 var->right_margin = min_t(u32, var->right_margin,
469 var->hsync_len = min_t(u32, var->hsync_len,
471 var->left_margin = min_t(u32, var->left_margin,
475 var->vsync_len = max_t(u32, var->vsync_len, 1);
476 var->right_margin = max_t(u32, var->right_margin, 1);
477 var->hsync_len = max_t(u32, var->hsync_len, 1);
478 var->left_margin = max_t(u32, var->left_margin, 1);
480 switch (var->bits_per_pixel) {
485 var->red.offset = var->green.offset = var->blue.offset = 0;
486 var->red.length = var->green.length = var->blue.length
487 = var->bits_per_pixel;
492 var->green.length = 5;
494 var->green.length = 6;
498 var->red.offset = var->green.length + 5;
499 var->blue.offset = 0;
502 var->red.offset = 0;
503 var->blue.offset = var->green.length + 5;
505 var->green.offset = 5;
506 var->red.length = var->blue.length = 5;
509 var->transp.offset = 24;
510 var->transp.length = 8;
515 var->red.offset = 16;
516 var->blue.offset = 0;
519 var->red.offset = 0;
520 var->blue.offset = 16;
522 var->green.offset = 8;
523 var->red.length = var->green.length = var->blue.length = 8;
527 var->bits_per_pixel);
552 * not alter var in fb_info since we are using that data. This
553 * means we depend on the data in var inside fb_info to be
573 info->var.xres, info->var.yres,
574 info->var.xres_virtual, info->var.yres_virtual);
578 if (info->var.bits_per_pixel == 1)
580 else if (info->var.bits_per_pixel <= 8)
585 bits_per_line = info->var.xres_virtual * info->var.bits_per_pixel;
590 atmel_lcdfb_update_dma(info, &info->var);
593 value = (info->var.yres * info->var.xres * info->var.bits_per_pixel) / 32;
605 value = DIV_ROUND_UP(clk_value_khz, PICOS2KHZ(info->var.pixclock));
616 info->var.pixclock =
619 PICOS2KHZ(info->var.pixclock));
626 if (!(info->var.sync & FB_SYNC_HOR_HIGH_ACT))
628 if (!(info->var.sync & FB_SYNC_VERT_HIGH_ACT))
631 switch (info->var.bits_per_pixel) {
646 value = (info->var.vsync_len - 1) << ATMEL_LCDC_VPW_OFFSET;
647 value |= info->var.upper_margin << ATMEL_LCDC_VBP_OFFSET;
648 value |= info->var.lower_margin;
653 value = (info->var.right_margin - 1) << ATMEL_LCDC_HFP_OFFSET;
654 value |= (info->var.hsync_len - 1) << ATMEL_LCDC_HPW_OFFSET;
655 value |= (info->var.left_margin - 1);
660 hozval_linesz = compute_hozval(sinfo, info->var.xres);
664 value |= info->var.yres - 1;
733 if (info->var.grayscale)
742 val = chan_to_field(red, &info->var.red);
743 val |= chan_to_field(green, &info->var.green);
744 val |= chan_to_field(blue, &info->var.blue);
794 static int atmel_lcdfb_pan_display(struct fb_var_screeninfo *var,
799 atmel_lcdfb_update_dma(info, var);
871 info->var.activate |= FB_ACTIVATE_FORCE | FB_ACTIVATE_NOW;
944 struct fb_var_screeninfo *var = &info->var;
965 ret = of_property_read_u32(display_np, "bits-per-pixel", &var->bits_per_pixel);
1105 fb_videomode_to_var(&info->var, &modelist->mode);
1107 atmel_lcdfb_check_var(&info->var, info);