* (C) Copyright 2001-2002
* Wolfgang Denk, DENX Software Engineering -- wd@denx.de
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
/************************************************************************/
#endif
#include <lcd.h>
#include <watchdog.h>
-
+#include <asm/unaligned.h>
#include <splash.h>
#if defined(CONFIG_CPU_PXA25X) || defined(CONFIG_CPU_PXA27X) || \
/* ** FONT DATA */
/************************************************************************/
#include <video_font.h> /* Get font data, width and height */
-#include <video_font_data.h>
/************************************************************************/
/* ** LOGO DATA */
/************************************************************************/
/* ** GENERIC Initialization Routines */
/************************************************************************/
-
-int lcd_get_size(int *line_length)
+/*
+ * With most lcd drivers the line length is set up
+ * by calculating it from panel_info parameters. Some
+ * drivers need to calculate the line length differently,
+ * so make the function weak to allow overriding it.
+ */
+__weak int lcd_get_size(int *line_length)
{
*line_length = (panel_info.vl_col * NBITS(panel_info.vl_bpix)) / 8;
return *line_length * panel_info.vl_row;
debug("[LCD] Using LCD frambuffer at %p\n", lcd_base);
lcd_get_size(&lcd_line_length);
- lcd_line_length = (panel_info.vl_col * NBITS(panel_info.vl_bpix)) / 8;
lcd_is_enabled = 1;
lcd_clear();
lcd_enable();
int x, y;
int decode = 1;
- width = le32_to_cpu(bmp->header.width);
- height = le32_to_cpu(bmp->header.height);
- bmap = (uchar *)bmp + le32_to_cpu(bmp->header.data_offset);
+ width = get_unaligned_le32(&bmp->header.width);
+ height = get_unaligned_le32(&bmp->header.height);
+ bmap = (uchar *)bmp + get_unaligned_le32(&bmp->header.data_offset);
x = 0;
y = height - 1;
return 1;
}
- width = le32_to_cpu(bmp->header.width);
- height = le32_to_cpu(bmp->header.height);
- bmp_bpix = le16_to_cpu(bmp->header.bit_count);
+ width = get_unaligned_le32(&bmp->header.width);
+ height = get_unaligned_le32(&bmp->header.height);
+ bmp_bpix = get_unaligned_le16(&bmp->header.bit_count);
+
colors = 1 << bmp_bpix;
bpix = NBITS(panel_info.vl_bpix);
/* We support displaying 8bpp BMPs on 16bpp LCDs */
if (bpix != bmp_bpix && !(bmp_bpix == 8 && bpix == 16)) {
printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
- bpix,
- le16_to_cpu(bmp->header.bit_count));
-
+ bpix, get_unaligned_le16(&bmp->header.bit_count));
return 1;
}
}
}
#endif
-
/*
* BMP format for Monochrome assumes that the state of a
* pixel is described on a per Bit basis, not per Byte.
if ((y + height) > panel_info.vl_row)
height = panel_info.vl_row - y;
- bmap = (uchar *) bmp + le32_to_cpu(bmp->header.data_offset);
- fb = (uchar *) (lcd_base +
+ bmap = (uchar *)bmp + get_unaligned_le32(&bmp->header.data_offset);
+ fb = (uchar *)(lcd_base +
(y + height - 1) * lcd_line_length + x * bpix / 8);
switch (bmp_bpix) {
case 1: /* pass through */
case 8:
#ifdef CONFIG_LCD_BMP_RLE8
- if (le32_to_cpu(bmp->header.compression) == BMP_BI_RLE8) {
+ u32 compression = get_unaligned_le32(&bmp->header.compression);
+ if (compression == BMP_BI_RLE8) {
if (bpix != 16) {
/* TODO implement render code for bpix != 16 */
printf("Error: only support 16 bpix");