161 lines
3.7 KiB
C
161 lines
3.7 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (c) 2015 Google, Inc
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* (C) Copyright 2001-2015
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* DENX Software Engineering -- wd@denx.de
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* Compulab Ltd - http://compulab.co.il/
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* Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com
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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_normal_set_row(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 + row * 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_normal_move_rows(struct udevice *dev, uint rowdst,
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uint rowsrc, 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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dst = vid_priv->fb + rowdst * VIDEO_FONT_HEIGHT * vid_priv->line_length;
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src = vid_priv->fb + rowsrc * VIDEO_FONT_HEIGHT * 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_normal_putc_xy(struct udevice *dev, uint x_frac, uint y,
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char ch)
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{
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struct vidconsole_priv *vc_priv = dev_get_uclass_priv(dev);
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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 = vid_priv->fb + y * vid_priv->line_length +
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VID_TO_PIXEL(x_frac) * VNBYTES(vid_priv->bpix);
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if (x_frac + VID_TO_POS(vc_priv->x_charsize) > vc_priv->xsize_frac)
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return -EAGAIN;
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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 VID_TO_POS(VIDEO_FONT_WIDTH);
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}
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static int console_normal_probe(struct udevice *dev)
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{
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struct vidconsole_priv *vc_priv = dev_get_uclass_priv(dev);
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struct udevice *vid_dev = dev->parent;
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struct video_priv *vid_priv = dev_get_uclass_priv(vid_dev);
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vc_priv->x_charsize = VIDEO_FONT_WIDTH;
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vc_priv->y_charsize = VIDEO_FONT_HEIGHT;
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vc_priv->cols = vid_priv->xsize / VIDEO_FONT_WIDTH;
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vc_priv->rows = vid_priv->ysize / VIDEO_FONT_HEIGHT;
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return 0;
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}
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struct vidconsole_ops console_normal_ops = {
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.putc_xy = console_normal_putc_xy,
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.move_rows = console_normal_move_rows,
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.set_row = console_normal_set_row,
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};
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U_BOOT_DRIVER(vidconsole_normal) = {
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.name = "vidconsole0",
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.id = UCLASS_VIDEO_CONSOLE,
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.ops = &console_normal_ops,
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.probe = console_normal_probe,
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};
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