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// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2001-2015
* DENX Software Engineering -- wd@denx.de
* Compulab Ltd - http://compulab.co.il/
* Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com
*/
#include <common.h>
#include <lcd.h>
#include <serial.h>
#include <video_font.h> /* Get font data, width and height */
#if defined(CONFIG_LCD_LOGO)
#include <bmp_logo.h>
#endif
static struct console_t cons;
void lcd_set_col(short col)
{
cons.curr_col = col;
}
void lcd_set_row(short row)
{
cons.curr_row = row;
}
void lcd_position_cursor(unsigned col, unsigned row)
{
cons.curr_col = min_t(short, col, cons.cols - 1);
cons.curr_row = min_t(short, row, cons.rows - 1);
}
int lcd_get_screen_rows(void)
{
return cons.rows;
}
int lcd_get_screen_columns(void)
{
return cons.cols;
}
static void lcd_putc_xy0(struct console_t *pcons, ushort x, ushort y, char c)
{
int fg_color = lcd_getfgcolor();
int bg_color = lcd_getbgcolor();
int i, row;
fbptr_t *dst = (fbptr_t *)pcons->fbbase +
y * pcons->lcdsizex +
x;
for (row = 0; row < VIDEO_FONT_HEIGHT; row++) {
uchar bits = video_fontdata[c * VIDEO_FONT_HEIGHT + row];
for (i = 0; i < VIDEO_FONT_WIDTH; ++i) {
*dst++ = (bits & 0x80) ? fg_color : bg_color;
bits <<= 1;
}
dst += (pcons->lcdsizex - VIDEO_FONT_WIDTH);
}
}
static inline void console_setrow0(struct console_t *pcons, u32 row, int clr)
{
int i;
fbptr_t *dst = (fbptr_t *)pcons->fbbase +
row * VIDEO_FONT_HEIGHT *
pcons->lcdsizex;
for (i = 0; i < (VIDEO_FONT_HEIGHT * pcons->lcdsizex); i++)
*dst++ = clr;
}
static inline void console_moverow0(struct console_t *pcons,
u32 rowdst, u32 rowsrc)
{
int i;
fbptr_t *dst = (fbptr_t *)pcons->fbbase +
rowdst * VIDEO_FONT_HEIGHT *
pcons->lcdsizex;
fbptr_t *src = (fbptr_t *)pcons->fbbase +
rowsrc * VIDEO_FONT_HEIGHT *
pcons->lcdsizex;
for (i = 0; i < (VIDEO_FONT_HEIGHT * pcons->lcdsizex); i++)
*dst++ = *src++;
}
static inline void console_back(void)
{
if (--cons.curr_col < 0) {
cons.curr_col = cons.cols - 1;
if (--cons.curr_row < 0)
cons.curr_row = 0;
}
cons.fp_putc_xy(&cons,
cons.curr_col * VIDEO_FONT_WIDTH,
cons.curr_row * VIDEO_FONT_HEIGHT, ' ');
}
static inline void console_newline(void)
{
const int rows = CONFIG_CONSOLE_SCROLL_LINES;
int bg_color = lcd_getbgcolor();
int i;
cons.curr_col = 0;
/* Check if we need to scroll the terminal */
if (++cons.curr_row >= cons.rows) {
for (i = 0; i < cons.rows-rows; i++)
cons.fp_console_moverow(&cons, i, i+rows);
for (i = 0; i < rows; i++)
cons.fp_console_setrow(&cons, cons.rows-i-1, bg_color);
cons.curr_row -= rows;
}
lcd_sync();
}
void console_calc_rowcol(struct console_t *pcons, u32 sizex, u32 sizey)
{
pcons->cols = sizex / VIDEO_FONT_WIDTH;
#if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
pcons->rows = (pcons->lcdsizey - BMP_LOGO_HEIGHT);
pcons->rows /= VIDEO_FONT_HEIGHT;
#else
pcons->rows = sizey / VIDEO_FONT_HEIGHT;
#endif
}
void __weak lcd_init_console_rot(struct console_t *pcons)
{
return;
}
void lcd_init_console(void *address, int vl_cols, int vl_rows, int vl_rot)
{
memset(&cons, 0, sizeof(cons));
cons.fbbase = address;
cons.lcdsizex = vl_cols;
cons.lcdsizey = vl_rows;
cons.lcdrot = vl_rot;
cons.fp_putc_xy = &lcd_putc_xy0;
cons.fp_console_moverow = &console_moverow0;
cons.fp_console_setrow = &console_setrow0;
console_calc_rowcol(&cons, cons.lcdsizex, cons.lcdsizey);
lcd_init_console_rot(&cons);
debug("lcd_console: have %d/%d col/rws on scr %dx%d (%d deg rotated)\n",
cons.cols, cons.rows, cons.lcdsizex, cons.lcdsizey, vl_rot);
}
void lcd_putc(const char c)
{
if (!lcd_is_enabled) {
serial_putc(c);
return;
}
switch (c) {
case '\r':
cons.curr_col = 0;
return;
case '\n':
console_newline();
return;
case '\t': /* Tab (8 chars alignment) */
cons.curr_col += 8;
cons.curr_col &= ~7;
if (cons.curr_col >= cons.cols)
console_newline();
return;
case '\b':
console_back();
return;
default:
cons.fp_putc_xy(&cons,
cons.curr_col * VIDEO_FONT_WIDTH,
cons.curr_row * VIDEO_FONT_HEIGHT, c);
if (++cons.curr_col >= cons.cols)
console_newline();
}
}
void lcd_puts(const char *s)
{
if (!lcd_is_enabled) {
serial_puts(s);
return;
}
while (*s)
lcd_putc(*s++);
lcd_sync();
}
void lcd_printf(const char *fmt, ...)
{
va_list args;
char buf[CONFIG_SYS_PBSIZE];
va_start(args, fmt);
vsprintf(buf, fmt, args);
va_end(args);
lcd_puts(buf);
}
static int do_lcd_setcursor(cmd_tbl_t *cmdtp, int flag, int argc,
char *const argv[])
{
unsigned int col, row;
if (argc != 3)
return CMD_RET_USAGE;
col = simple_strtoul(argv[1], NULL, 10);
row = simple_strtoul(argv[2], NULL, 10);
lcd_position_cursor(col, row);
return 0;
}
static int do_lcd_puts(cmd_tbl_t *cmdtp, int flag, int argc,
char *const argv[])
{
if (argc != 2)
return CMD_RET_USAGE;
lcd_puts(argv[1]);
return 0;
}
U_BOOT_CMD(
setcurs, 3, 1, do_lcd_setcursor,
"set cursor position within screen",
" <col> <row> in character"
);
U_BOOT_CMD(
lcdputs, 2, 1, do_lcd_puts,
"print string on lcd-framebuffer",
" <string>"
);
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