1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (c) 2015 Google, Inc
4 * (C) Copyright 2015
5 * Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com
6 * (C) Copyright 2023 Dzmitry Sankouski <dsankouski@gmail.com>
7 */
8
9 #include <common.h>
10 #include <dm.h>
11 #include <video.h>
12 #include <video_console.h>
13 #include <video_font.h> /* Get font data, width and height */
14 #include "vidconsole_internal.h"
15
console_set_row(struct udevice * dev,uint row,int clr)16 static int console_set_row(struct udevice *dev, uint row, int clr)
17 {
18 struct video_priv *vid_priv = dev_get_uclass_priv(dev->parent);
19 struct console_simple_priv *priv = dev_get_priv(dev);
20 struct video_fontdata *fontdata = priv->fontdata;
21 void *line, *dst, *end;
22 int pixels = fontdata->height * vid_priv->xsize;
23 int ret;
24 int i;
25 int pbytes;
26
27 ret = check_bpix_support(vid_priv->bpix);
28 if (ret)
29 return ret;
30
31 line = vid_priv->fb + row * fontdata->height * vid_priv->line_length;
32 dst = line;
33 pbytes = VNBYTES(vid_priv->bpix);
34 for (i = 0; i < pixels; i++)
35 fill_pixel_and_goto_next(&dst, clr, pbytes, pbytes);
36 end = dst;
37
38 ret = vidconsole_sync_copy(dev, line, end);
39 if (ret)
40 return ret;
41
42 return 0;
43 }
44
console_move_rows(struct udevice * dev,uint rowdst,uint rowsrc,uint count)45 static int console_move_rows(struct udevice *dev, uint rowdst,
46 uint rowsrc, uint count)
47 {
48 struct video_priv *vid_priv = dev_get_uclass_priv(dev->parent);
49 struct console_simple_priv *priv = dev_get_priv(dev);
50 struct video_fontdata *fontdata = priv->fontdata;
51 void *dst;
52 void *src;
53 int size;
54 int ret;
55
56 dst = vid_priv->fb + rowdst * fontdata->height * vid_priv->line_length;
57 src = vid_priv->fb + rowsrc * fontdata->height * vid_priv->line_length;
58 size = fontdata->height * vid_priv->line_length * count;
59 ret = vidconsole_memmove(dev, dst, src, size);
60 if (ret)
61 return ret;
62
63 return 0;
64 }
65
console_putc_xy(struct udevice * dev,uint x_frac,uint y,char ch)66 static int console_putc_xy(struct udevice *dev, uint x_frac, uint y, char ch)
67 {
68 struct vidconsole_priv *vc_priv = dev_get_uclass_priv(dev);
69 struct udevice *vid = dev->parent;
70 struct video_priv *vid_priv = dev_get_uclass_priv(vid);
71 struct console_simple_priv *priv = dev_get_priv(dev);
72 struct video_fontdata *fontdata = priv->fontdata;
73 int pbytes = VNBYTES(vid_priv->bpix);
74 int x, linenum, ret;
75 void *start, *line;
76 uchar *pfont = fontdata->video_fontdata +
77 (u8)ch * fontdata->char_pixel_bytes;
78
79 if (x_frac + VID_TO_POS(vc_priv->x_charsize) > vc_priv->xsize_frac)
80 return -EAGAIN;
81 linenum = y;
82 x = VID_TO_PIXEL(x_frac);
83 start = vid_priv->fb + linenum * vid_priv->line_length + x * pbytes;
84 line = start;
85
86 if (x_frac + VID_TO_POS(vc_priv->x_charsize) > vc_priv->xsize_frac)
87 return -EAGAIN;
88
89 ret = fill_char_vertically(pfont, &line, vid_priv, fontdata, NORMAL_DIRECTION);
90 if (ret)
91 return ret;
92
93 ret = vidconsole_sync_copy(dev, start, line);
94 if (ret)
95 return ret;
96
97 return VID_TO_POS(fontdata->width);
98 }
99
100 struct vidconsole_ops console_ops = {
101 .putc_xy = console_putc_xy,
102 .move_rows = console_move_rows,
103 .set_row = console_set_row,
104 .get_font_size = console_simple_get_font_size,
105 .get_font = console_simple_get_font,
106 .select_font = console_simple_select_font,
107 };
108
109 U_BOOT_DRIVER(vidconsole_normal) = {
110 .name = "vidconsole0",
111 .id = UCLASS_VIDEO_CONSOLE,
112 .ops = &console_ops,
113 .probe = console_probe,
114 .priv_auto = sizeof(struct console_simple_priv),
115 };
116