diff options
Diffstat (limited to 'common/lcd_console_rotation.c')
| -rw-r--r-- | common/lcd_console_rotation.c | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/common/lcd_console_rotation.c b/common/lcd_console_rotation.c new file mode 100644 index 0000000000..7aac521348 --- /dev/null +++ b/common/lcd_console_rotation.c @@ -0,0 +1,195 @@ +/* + * (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); +} |
