lcd_console_rotation.c
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/*
* (C) Copyright 2015
* Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <lcd.h>
#include <video_font.h> /* Get font data, width and height */
static void lcd_putc_xy90(struct console_t *pcons, ushort x, ushort y, char c)
{
int fg_color = lcd_getfgcolor();
int bg_color = lcd_getbgcolor();
int col, i;
fbptr_t *dst = (fbptr_t *)pcons->fbbase +
(x+1) * pcons->lcdsizex -
y;
uchar msk = 0x80;
uchar *pfont = video_fontdata + c * VIDEO_FONT_HEIGHT;
for (col = 0; col < VIDEO_FONT_WIDTH; ++col) {
for (i = 0; i < VIDEO_FONT_HEIGHT; ++i)
*dst-- = (*(pfont + i) & msk) ? fg_color : bg_color;
msk >>= 1;
dst += (pcons->lcdsizex + VIDEO_FONT_HEIGHT);
}
}
static inline void console_setrow90(struct console_t *pcons, u32 row, int clr)
{
int i, j;
fbptr_t *dst = (fbptr_t *)pcons->fbbase +
pcons->lcdsizex -
row*VIDEO_FONT_HEIGHT+1;
for (j = 0; j < pcons->lcdsizey; j++) {
for (i = 0; i < VIDEO_FONT_HEIGHT; i++)
*dst-- = clr;
dst += (pcons->lcdsizex + VIDEO_FONT_HEIGHT);
}
}
static inline void console_moverow90(struct console_t *pcons,
u32 rowdst, u32 rowsrc)
{
int i, j;
fbptr_t *dst = (fbptr_t *)pcons->fbbase +
pcons->lcdsizex -
(rowdst*VIDEO_FONT_HEIGHT+1);
fbptr_t *src = (fbptr_t *)pcons->fbbase +
pcons->lcdsizex -
(rowsrc*VIDEO_FONT_HEIGHT+1);
for (j = 0; j < pcons->lcdsizey; j++) {
for (i = 0; i < VIDEO_FONT_HEIGHT; i++)
*dst-- = *src--;
src += (pcons->lcdsizex + VIDEO_FONT_HEIGHT);
dst += (pcons->lcdsizex + VIDEO_FONT_HEIGHT);
}
}
static void lcd_putc_xy180(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 +
pcons->lcdsizex +
pcons->lcdsizey * pcons->lcdsizex -
y * pcons->lcdsizex -
(x+1);
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_setrow180(struct console_t *pcons, u32 row, int clr)
{
int i;
fbptr_t *dst = (fbptr_t *)pcons->fbbase +
(pcons->rows-row-1) * VIDEO_FONT_HEIGHT *
pcons->lcdsizex;
for (i = 0; i < (VIDEO_FONT_HEIGHT * pcons->lcdsizex); i++)
*dst++ = clr;
}
static inline void console_moverow180(struct console_t *pcons,
u32 rowdst, u32 rowsrc)
{
int i;
fbptr_t *dst = (fbptr_t *)pcons->fbbase +
(pcons->rows-rowdst-1) * VIDEO_FONT_HEIGHT *
pcons->lcdsizex;
fbptr_t *src = (fbptr_t *)pcons->fbbase +
(pcons->rows-rowsrc-1) * VIDEO_FONT_HEIGHT *
pcons->lcdsizex;
for (i = 0; i < (VIDEO_FONT_HEIGHT * pcons->lcdsizex); i++)
*dst++ = *src++;
}
static void lcd_putc_xy270(struct console_t *pcons, ushort x, ushort y, char c)
{
int fg_color = lcd_getfgcolor();
int bg_color = lcd_getbgcolor();
int i, col;
fbptr_t *dst = (fbptr_t *)pcons->fbbase +
pcons->lcdsizey * pcons->lcdsizex -
(x+1) * pcons->lcdsizex +
y;
uchar msk = 0x80;
uchar *pfont = video_fontdata + c * VIDEO_FONT_HEIGHT;
for (col = 0; col < VIDEO_FONT_WIDTH; ++col) {
for (i = 0; i < VIDEO_FONT_HEIGHT; ++i)
*dst++ = (*(pfont + i) & msk) ? fg_color : bg_color;
msk >>= 1;
dst -= (pcons->lcdsizex + VIDEO_FONT_HEIGHT);
}
}
static inline void console_setrow270(struct console_t *pcons, u32 row, int clr)
{
int i, j;
fbptr_t *dst = (fbptr_t *)pcons->fbbase +
row*VIDEO_FONT_HEIGHT;
for (j = 0; j < pcons->lcdsizey; j++) {
for (i = 0; i < VIDEO_FONT_HEIGHT; i++)
*dst++ = clr;
dst += (pcons->lcdsizex - VIDEO_FONT_HEIGHT);
}
}
static inline void console_moverow270(struct console_t *pcons,
u32 rowdst, u32 rowsrc)
{
int i, j;
fbptr_t *dst = (fbptr_t *)pcons->fbbase +
rowdst*VIDEO_FONT_HEIGHT;
fbptr_t *src = (fbptr_t *)pcons->fbbase +
rowsrc*VIDEO_FONT_HEIGHT;
for (j = 0; j < pcons->lcdsizey; j++) {
for (i = 0; i < VIDEO_FONT_HEIGHT; i++)
*dst++ = *src++;
src += (pcons->lcdsizex - VIDEO_FONT_HEIGHT);
dst += (pcons->lcdsizex - VIDEO_FONT_HEIGHT);
}
}
static void console_calc_rowcol_rot(struct console_t *pcons)
{
if (pcons->lcdrot == 1 || pcons->lcdrot == 3)
console_calc_rowcol(pcons, pcons->lcdsizey, pcons->lcdsizex);
else
console_calc_rowcol(pcons, pcons->lcdsizex, pcons->lcdsizey);
}
void lcd_init_console_rot(struct console_t *pcons)
{
if (pcons->lcdrot == 0) {
return;
} else if (pcons->lcdrot == 1) {
pcons->fp_putc_xy = &lcd_putc_xy90;
pcons->fp_console_moverow = &console_moverow90;
pcons->fp_console_setrow = &console_setrow90;
} else if (pcons->lcdrot == 2) {
pcons->fp_putc_xy = &lcd_putc_xy180;
pcons->fp_console_moverow = &console_moverow180;
pcons->fp_console_setrow = &console_setrow180;
} else if (pcons->lcdrot == 3) {
pcons->fp_putc_xy = &lcd_putc_xy270;
pcons->fp_console_moverow = &console_moverow270;
pcons->fp_console_setrow = &console_setrow270;
} else {
printf("%s: invalid framebuffer rotation (%d)!\n",
__func__, pcons->lcdrot);
return;
}
console_calc_rowcol_rot(pcons);
}