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video: Update normal console to support copy buffer 

Update the implementation to keep a track of what it changes in the frame
buffer and then tell the copy buffer about it. Use the special
vidconsole_memmove() helper so that memmove() operations are also
reflected in the copy buffer.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass 2020-07-02 21:12:24 -06:00 committed by Bin Meng
parent 8c0b5d268d
commit 68f3fc767c
1 changed files with 23 additions and 3 deletions
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26
drivers/video/console_normal.c
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@ -16,8 +16,9 @@
static int console_normal_set_row(struct udevice *dev, uint row, int clr)
{
struct video_priv *vid_priv = dev_get_uclass_priv(dev->parent);
void *line;
void *line, *end;
int pixels = VIDEO_FONT_HEIGHT * vid_priv->xsize;
int ret;
int i;
line = vid_priv->fb + row * VIDEO_FONT_HEIGHT * vid_priv->line_length;
@ -28,6 +29,7 @@ static int console_normal_set_row(struct udevice *dev, uint row, int clr)
for (i = 0; i < pixels; i++)
*dst++ = clr;
end = dst;
break;
}
case VIDEO_BPP16:
@ -36,6 +38,7 @@ static int console_normal_set_row(struct udevice *dev, uint row, int clr)
for (i = 0; i < pixels; i++)
*dst++ = clr;
end = dst;
break;
}
case VIDEO_BPP32:
@ -44,11 +47,15 @@ static int console_normal_set_row(struct udevice *dev, uint row, int clr)
for (i = 0; i < pixels; i++)
*dst++ = clr;
end = dst;
break;
}
default:
return -ENOSYS;
}
ret = vidconsole_sync_copy(dev, line, end);
if (ret)
return ret;
return 0;
}
@ -59,10 +66,15 @@ static int console_normal_move_rows(struct udevice *dev, uint rowdst,
struct video_priv *vid_priv = dev_get_uclass_priv(dev->parent);
void *dst;
void *src;
int size;
int ret;
dst = vid_priv->fb + rowdst * VIDEO_FONT_HEIGHT * vid_priv->line_length;
src = vid_priv->fb + rowsrc * VIDEO_FONT_HEIGHT * vid_priv->line_length;
memmove(dst, src, VIDEO_FONT_HEIGHT * vid_priv->line_length * count);
size = VIDEO_FONT_HEIGHT * vid_priv->line_length * count;
ret = vidconsole_memmove(dev, dst, src, size);
if (ret)
return ret;
return 0;
}
@ -74,8 +86,13 @@ static int console_normal_putc_xy(struct udevice *dev, uint x_frac, uint y,
struct udevice *vid = dev->parent;
struct video_priv *vid_priv = dev_get_uclass_priv(vid);
int i, row;
void *line = vid_priv->fb + y * vid_priv->line_length +
void *start;
void *line;
int ret;
start = vid_priv->fb + y * vid_priv->line_length +
VID_TO_PIXEL(x_frac) * VNBYTES(vid_priv->bpix);
line = start;
if (x_frac + VID_TO_POS(vc_priv->x_charsize) > vc_priv->xsize_frac)
return -EAGAIN;
@ -126,6 +143,9 @@ static int console_normal_putc_xy(struct udevice *dev, uint x_frac, uint y,
}
line += vid_priv->line_length;
}
ret = vidconsole_sync_copy(dev, start, line);
if (ret)
return ret;
return VID_TO_POS(VIDEO_FONT_WIDTH);
}