+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2015 Google, Inc
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
struct video_uc_platdata *plat = dev_get_uclass_platdata(dev);
ulong base, align, size;
+ if (!plat->size)
+ return 0;
+
align = plat->align ? plat->align : 1 << 20;
base = *addrp - plat->size;
base &= ~(align - 1);
return 0;
}
-static int video_clear(struct udevice *dev)
+int video_clear(struct udevice *dev)
{
struct video_priv *priv = dev_get_uclass_priv(dev);
- if (priv->bpix == VIDEO_BPP32) {
+ switch (priv->bpix) {
+ case VIDEO_BPP16: {
+ u16 *ppix = priv->fb;
+ u16 *end = priv->fb + priv->fb_size;
+
+ while (ppix < end)
+ *ppix++ = priv->colour_bg;
+ break;
+ }
+ case VIDEO_BPP32: {
u32 *ppix = priv->fb;
u32 *end = priv->fb + priv->fb_size;
while (ppix < end)
*ppix++ = priv->colour_bg;
- } else {
+ break;
+ }
+ default:
memset(priv->fb, priv->colour_bg, priv->fb_size);
+ break;
}
return 0;
}
+void video_set_default_colors(struct udevice *dev, bool invert)
+{
+ struct video_priv *priv = dev_get_uclass_priv(dev);
+ int fore, back;
+
+#ifdef CONFIG_SYS_WHITE_ON_BLACK
+ /* White is used when switching to bold, use light gray here */
+ fore = VID_LIGHT_GRAY;
+ back = VID_BLACK;
+#else
+ fore = VID_BLACK;
+ back = VID_WHITE;
+#endif
+ if (invert) {
+ int temp;
+
+ temp = fore;
+ fore = back;
+ back = temp;
+ }
+ priv->fg_col_idx = fore;
+ priv->bg_col_idx = back;
+ priv->colour_fg = vid_console_color(priv, fore);
+ priv->colour_bg = vid_console_color(priv, back);
+}
+
/* Flush video activity to the caches */
-void video_sync(struct udevice *vid)
+void video_sync(struct udevice *vid, bool force)
{
/*
* flush_dcache_range() is declared in common.h but it seems that some
* architectures do not actually implement it. Is there a way to find
* out whether it exists? For now, ARM is safe.
*/
-#if defined(CONFIG_ARM) && !defined(CONFIG_SYS_DCACHE_OFF)
+#if defined(CONFIG_ARM) && !CONFIG_IS_ENABLED(SYS_DCACHE_OFF)
struct video_priv *priv = dev_get_uclass_priv(vid);
if (priv->flush_dcache) {
flush_dcache_range((ulong)priv->fb,
- (ulong)priv->fb + priv->fb_size);
+ ALIGN((ulong)priv->fb + priv->fb_size,
+ CONFIG_SYS_CACHELINE_SIZE));
}
#elif defined(CONFIG_VIDEO_SANDBOX_SDL)
struct video_priv *priv = dev_get_uclass_priv(vid);
static ulong last_sync;
- if (get_timer(last_sync) > 10) {
+ if (force || get_timer(last_sync) > 10) {
sandbox_sdl_sync(priv->fb);
last_sync = get_timer(0);
}
dev;
uclass_find_next_device(&dev)) {
if (device_active(dev))
- video_sync(dev);
+ video_sync(dev, true);
}
}
/* Set up the line and display size */
priv->fb = map_sysmem(plat->base, plat->size);
- priv->line_length = priv->xsize * VNBYTES(priv->bpix);
+ if (!priv->line_length)
+ priv->line_length = priv->xsize * VNBYTES(priv->bpix);
+
priv->fb_size = priv->line_length * priv->ysize;
- /* Set up colours - we could in future support other colours */
-#ifdef CONFIG_SYS_WHITE_ON_BLACK
- priv->colour_fg = 0xffffff;
-#else
- priv->colour_bg = 0xffffff;
-#endif
- video_clear(dev);
+ /* Set up colors */
+ video_set_default_colors(dev, false);
+
+ if (!CONFIG_IS_ENABLED(NO_FB_CLEAR))
+ video_clear(dev);
/*
* Create a text console device. For now we always do this, although
ulong size;
/* Before relocation there is nothing to do here */
- if ((!gd->flags & GD_FLG_RELOC))
+ if (!(gd->flags & GD_FLG_RELOC))
return 0;
size = alloc_fb(dev, &addr);
if (addr < gd->video_bottom) {
- /* Device tree node may need the 'u-boot,dm-pre-reloc' tag */
+ /* Device tree node may need the 'u-boot,dm-pre-reloc' or
+ * 'u-boot,dm-pre-proper' tag
+ */
printf("Video device '%s' cannot allocate frame buffer memory -ensure the device is set up before relocation\n",
dev->name);
return -ENOSPC;