GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/bootloader/u-boot-2020.01/common/lcd_console_rotation.c

@@ -0,0 +1,194 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2015
+ * Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com
+ */
+
+#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);
+}