mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-07-24 20:09:43 +09:00
b5146b2811
Sometimes the console must be rotated. Add a driver which supports rotating the text clockwise to 90, 180 and 270 degrees. This can support devices where the display is rotated for mechanical reasons. Signed-off-by: Simon Glass <sjg@chromium.org> Acked-by: Anatolij Gustschin <agust@denx.de>
437 lines
9.2 KiB
C
437 lines
9.2 KiB
C
/*
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* Copyright (c) 2015 Google, Inc
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* (C) Copyright 2015
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* Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <dm.h>
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#include <video.h>
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#include <video_console.h>
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#include <video_font.h> /* Get font data, width and height */
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static int console_set_row_1(struct udevice *dev, uint row, int clr)
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{
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struct video_priv *vid_priv = dev_get_uclass_priv(dev->parent);
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int pbytes = VNBYTES(vid_priv->bpix);
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void *line;
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int i, j;
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line = vid_priv->fb + vid_priv->line_length -
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(row + 1) * VIDEO_FONT_HEIGHT * pbytes;
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for (j = 0; j < vid_priv->ysize; j++) {
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switch (vid_priv->bpix) {
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#ifdef CONFIG_VIDEO_BPP8
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case VIDEO_BPP8: {
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uint8_t *dst = line;
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for (i = 0; i < VIDEO_FONT_HEIGHT; i++)
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*dst++ = clr;
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break;
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}
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#endif
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#ifdef CONFIG_VIDEO_BPP16
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case VIDEO_BPP16: {
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uint16_t *dst = line;
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for (i = 0; i < VIDEO_FONT_HEIGHT; i++)
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*dst++ = clr;
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break;
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}
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#endif
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#ifdef CONFIG_VIDEO_BPP32
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case VIDEO_BPP32: {
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uint32_t *dst = line;
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for (i = 0; i < VIDEO_FONT_HEIGHT; i++)
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*dst++ = clr;
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break;
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}
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#endif
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default:
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return -ENOSYS;
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}
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line += vid_priv->line_length;
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}
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return 0;
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}
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static int console_move_rows_1(struct udevice *dev, uint rowdst, uint rowsrc,
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uint count)
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{
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struct video_priv *vid_priv = dev_get_uclass_priv(dev->parent);
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void *dst;
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void *src;
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int pbytes = VNBYTES(vid_priv->bpix);
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int j;
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dst = vid_priv->fb + vid_priv->line_length -
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(rowdst + count) * VIDEO_FONT_HEIGHT * pbytes;
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src = vid_priv->fb + vid_priv->line_length -
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(rowsrc + count) * VIDEO_FONT_HEIGHT * pbytes;
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for (j = 0; j < vid_priv->ysize; j++) {
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memmove(dst, src, VIDEO_FONT_HEIGHT * pbytes * count);
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src += vid_priv->line_length;
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dst += vid_priv->line_length;
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}
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return 0;
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}
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static int console_putc_xy_1(struct udevice *dev, uint x, uint y, char ch)
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{
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struct udevice *vid = dev->parent;
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struct video_priv *vid_priv = dev_get_uclass_priv(vid);
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int pbytes = VNBYTES(vid_priv->bpix);
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int i, col;
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int mask = 0x80;
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void *line = vid_priv->fb + (x + 1) * vid_priv->line_length -
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(y + 1) * pbytes;
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uchar *pfont = video_fontdata + ch * VIDEO_FONT_HEIGHT;
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for (col = 0; col < VIDEO_FONT_HEIGHT; col++) {
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switch (vid_priv->bpix) {
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#ifdef CONFIG_VIDEO_BPP8
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case VIDEO_BPP8: {
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uint8_t *dst = line;
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for (i = 0; i < VIDEO_FONT_HEIGHT; i++) {
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*dst-- = (pfont[i] & mask) ? vid_priv->colour_fg
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: vid_priv->colour_bg;
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}
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break;
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}
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#endif
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#ifdef CONFIG_VIDEO_BPP16
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case VIDEO_BPP16: {
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uint16_t *dst = line;
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for (i = 0; i < VIDEO_FONT_HEIGHT; i++) {
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*dst-- = (pfont[i] & mask) ? vid_priv->colour_fg
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: vid_priv->colour_bg;
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}
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break;
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}
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#endif
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#ifdef CONFIG_VIDEO_BPP32
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case VIDEO_BPP32: {
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uint32_t *dst = line;
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for (i = 0; i < VIDEO_FONT_HEIGHT; i++) {
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*dst-- = (pfont[i] & mask) ? vid_priv->colour_fg
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: vid_priv->colour_bg;
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}
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break;
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}
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#endif
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default:
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return -ENOSYS;
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}
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line += vid_priv->line_length;
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mask >>= 1;
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}
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return 0;
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}
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static int console_set_row_2(struct udevice *dev, uint row, int clr)
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{
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struct video_priv *vid_priv = dev_get_uclass_priv(dev->parent);
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void *line;
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int pixels = VIDEO_FONT_HEIGHT * vid_priv->xsize;
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int i;
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line = vid_priv->fb + vid_priv->ysize * vid_priv->line_length -
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(row + 1) * VIDEO_FONT_HEIGHT * vid_priv->line_length;
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switch (vid_priv->bpix) {
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#ifdef CONFIG_VIDEO_BPP8
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case VIDEO_BPP8: {
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uint8_t *dst = line;
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for (i = 0; i < pixels; i++)
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*dst++ = clr;
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break;
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}
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#endif
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#ifdef CONFIG_VIDEO_BPP16
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case VIDEO_BPP16: {
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uint16_t *dst = line;
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for (i = 0; i < pixels; i++)
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*dst++ = clr;
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break;
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}
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#endif
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#ifdef CONFIG_VIDEO_BPP32
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case VIDEO_BPP32: {
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uint32_t *dst = line;
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for (i = 0; i < pixels; i++)
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*dst++ = clr;
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break;
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}
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#endif
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default:
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return -ENOSYS;
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}
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return 0;
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}
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static int console_move_rows_2(struct udevice *dev, uint rowdst, uint rowsrc,
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uint count)
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{
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struct video_priv *vid_priv = dev_get_uclass_priv(dev->parent);
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void *dst;
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void *src;
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void *end;
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end = vid_priv->fb + vid_priv->ysize * vid_priv->line_length;
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dst = end - (rowdst + count) * VIDEO_FONT_HEIGHT *
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vid_priv->line_length;
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src = end - (rowsrc + count) * VIDEO_FONT_HEIGHT *
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vid_priv->line_length;
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memmove(dst, src, VIDEO_FONT_HEIGHT * vid_priv->line_length * count);
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return 0;
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}
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static int console_putc_xy_2(struct udevice *dev, uint x, uint y, char ch)
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{
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struct udevice *vid = dev->parent;
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struct video_priv *vid_priv = dev_get_uclass_priv(vid);
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int i, row;
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void *line;
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line = vid_priv->fb + (vid_priv->ysize - y - 1) *
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vid_priv->line_length +
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(vid_priv->xsize - x - VIDEO_FONT_WIDTH - 1) *
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VNBYTES(vid_priv->bpix);
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for (row = 0; row < VIDEO_FONT_HEIGHT; row++) {
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uchar bits = video_fontdata[ch * VIDEO_FONT_HEIGHT + row];
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switch (vid_priv->bpix) {
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#ifdef CONFIG_VIDEO_BPP8
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case VIDEO_BPP8: {
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uint8_t *dst = line;
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for (i = 0; i < VIDEO_FONT_WIDTH; i++) {
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*dst-- = (bits & 0x80) ? vid_priv->colour_fg
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: vid_priv->colour_bg;
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bits <<= 1;
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}
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break;
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}
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#endif
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#ifdef CONFIG_VIDEO_BPP16
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case VIDEO_BPP16: {
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uint16_t *dst = line;
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for (i = 0; i < VIDEO_FONT_WIDTH; i++) {
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*dst-- = (bits & 0x80) ? vid_priv->colour_fg
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: vid_priv->colour_bg;
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bits <<= 1;
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}
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break;
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}
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#endif
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#ifdef CONFIG_VIDEO_BPP32
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case VIDEO_BPP32: {
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uint32_t *dst = line;
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for (i = 0; i < VIDEO_FONT_WIDTH; i++) {
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*dst-- = (bits & 0x80) ? vid_priv->colour_fg
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: vid_priv->colour_bg;
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bits <<= 1;
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}
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break;
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}
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#endif
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default:
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return -ENOSYS;
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}
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line -= vid_priv->line_length;
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}
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return 0;
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}
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static int console_set_row_3(struct udevice *dev, uint row, int clr)
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{
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struct video_priv *vid_priv = dev_get_uclass_priv(dev->parent);
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int pbytes = VNBYTES(vid_priv->bpix);
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void *line;
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int i, j;
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line = vid_priv->fb + row * VIDEO_FONT_HEIGHT * pbytes;
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for (j = 0; j < vid_priv->ysize; j++) {
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switch (vid_priv->bpix) {
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#ifdef CONFIG_VIDEO_BPP8
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case VIDEO_BPP8: {
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uint8_t *dst = line;
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for (i = 0; i < VIDEO_FONT_HEIGHT; i++)
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*dst++ = clr;
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break;
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}
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#endif
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#ifdef CONFIG_VIDEO_BPP16
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case VIDEO_BPP16: {
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uint16_t *dst = line;
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for (i = 0; i < VIDEO_FONT_HEIGHT; i++)
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*dst++ = clr;
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break;
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}
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#endif
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#ifdef CONFIG_VIDEO_BPP32
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case VIDEO_BPP32: {
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uint32_t *dst = line;
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for (i = 0; i < VIDEO_FONT_HEIGHT; i++)
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*dst++ = clr;
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break;
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}
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#endif
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default:
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return -ENOSYS;
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}
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line += vid_priv->line_length;
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}
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return 0;
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}
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static int console_move_rows_3(struct udevice *dev, uint rowdst, uint rowsrc,
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uint count)
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{
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struct video_priv *vid_priv = dev_get_uclass_priv(dev->parent);
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void *dst;
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void *src;
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int pbytes = VNBYTES(vid_priv->bpix);
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int j;
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dst = vid_priv->fb + rowdst * VIDEO_FONT_HEIGHT * pbytes;
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src = vid_priv->fb + rowsrc * VIDEO_FONT_HEIGHT * pbytes;
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for (j = 0; j < vid_priv->ysize; j++) {
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memmove(dst, src, VIDEO_FONT_HEIGHT * pbytes * count);
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src += vid_priv->line_length;
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dst += vid_priv->line_length;
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}
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return 0;
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}
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static int console_putc_xy_3(struct udevice *dev, uint x, uint y, char ch)
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{
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struct udevice *vid = dev->parent;
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struct video_priv *vid_priv = dev_get_uclass_priv(vid);
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int pbytes = VNBYTES(vid_priv->bpix);
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int i, col;
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int mask = 0x80;
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void *line = vid_priv->fb + (vid_priv->ysize - x - 1) *
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vid_priv->line_length + y * pbytes;
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uchar *pfont = video_fontdata + ch * VIDEO_FONT_HEIGHT;
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for (col = 0; col < VIDEO_FONT_HEIGHT; col++) {
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switch (vid_priv->bpix) {
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#ifdef CONFIG_VIDEO_BPP8
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case VIDEO_BPP8: {
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uint8_t *dst = line;
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for (i = 0; i < VIDEO_FONT_HEIGHT; i++) {
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*dst++ = (pfont[i] & mask) ? vid_priv->colour_fg
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: vid_priv->colour_bg;
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}
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break;
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}
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#endif
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#ifdef CONFIG_VIDEO_BPP16
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case VIDEO_BPP16: {
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uint16_t *dst = line;
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for (i = 0; i < VIDEO_FONT_HEIGHT; i++) {
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*dst++ = (pfont[i] & mask) ? vid_priv->colour_fg
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: vid_priv->colour_bg;
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}
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break;
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}
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#endif
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#ifdef CONFIG_VIDEO_BPP32
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case VIDEO_BPP32: {
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uint32_t *dst = line;
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for (i = 0; i < VIDEO_FONT_HEIGHT; i++) {
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*dst++ = (pfont[i] & mask) ? vid_priv->colour_fg
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: vid_priv->colour_bg;
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}
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break;
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}
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#endif
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default:
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return -ENOSYS;
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}
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line -= vid_priv->line_length;
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mask >>= 1;
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}
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return 0;
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}
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static int console_probe_1_3(struct udevice *dev)
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{
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struct vidconsole_priv *priv = dev_get_uclass_priv(dev);
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struct video_priv *vid_priv = dev_get_uclass_priv(dev->parent);
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priv->cols = vid_priv->ysize / VIDEO_FONT_WIDTH;
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priv->rows = vid_priv->xsize / VIDEO_FONT_HEIGHT;
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return 0;
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}
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struct vidconsole_ops console_ops_1 = {
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.putc_xy = console_putc_xy_1,
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.move_rows = console_move_rows_1,
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.set_row = console_set_row_1,
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};
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struct vidconsole_ops console_ops_2 = {
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.putc_xy = console_putc_xy_2,
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.move_rows = console_move_rows_2,
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.set_row = console_set_row_2,
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};
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struct vidconsole_ops console_ops_3 = {
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.putc_xy = console_putc_xy_3,
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.move_rows = console_move_rows_3,
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.set_row = console_set_row_3,
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};
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U_BOOT_DRIVER(vidconsole_1) = {
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.name = "vidconsole1",
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.id = UCLASS_VIDEO_CONSOLE,
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.ops = &console_ops_1,
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.probe = console_probe_1_3,
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};
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U_BOOT_DRIVER(vidconsole_2) = {
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.name = "vidconsole2",
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.id = UCLASS_VIDEO_CONSOLE,
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.ops = &console_ops_2,
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};
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U_BOOT_DRIVER(vidconsole_3) = {
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.name = "vidconsole3",
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.id = UCLASS_VIDEO_CONSOLE,
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.ops = &console_ops_3,
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.probe = console_probe_1_3,
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};
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