u-boot/drivers/cfb_console.c

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/*
* (C) Copyright 2002 ELTEC Elektronik AG
* Frank Gottschling <fgottschling@eltec.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
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* 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
*/
/*
* cfb_console.c
*
* Color Framebuffer Console driver for 8/15/16/24/32 bits per pixel.
*
* At the moment only the 8x16 font is tested and the font fore- and
* background color is limited to black/white/gray colors. The Linux
* logo can be placed in the upper left corner and additional board
* information strings (that normaly goes to serial port) can be drawed.
*
* The console driver can use the standard PC keyboard interface (i8042)
* for character input. Character output goes to a memory mapped video
* framebuffer with little or big-endian organisation.
* With environment setting 'console=serial' the console i/o can be
* forced to serial port.
The driver uses graphic specific defines/parameters/functions:
(for SMI LynxE graphic chip)
CONFIG_VIDEO_SMI_LYNXEM - use graphic driver for SMI 710,712,810
VIDEO_FB_LITTLE_ENDIAN - framebuffer organisation default: big endian
VIDEO_HW_RECTFILL - graphic driver supports hardware rectangle fill
VIDEO_HW_BITBLT - graphic driver supports hardware bit blt
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Console Parameters are set by graphic drivers global struct:
VIDEO_VISIBLE_COLS - x resolution
VIDEO_VISIBLE_ROWS - y resolution
VIDEO_PIXEL_SIZE - storage size in byte per pixel
VIDEO_DATA_FORMAT - graphical data format GDF
VIDEO_FB_ADRS - start of video memory
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CONFIG_I8042_KBD - AT Keyboard driver for i8042
VIDEO_KBD_INIT_FCT - init function for keyboard
VIDEO_TSTC_FCT - keyboard_tstc function
VIDEO_GETC_FCT - keyboard_getc function
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CONFIG_CONSOLE_CURSOR - on/off drawing cursor is done with delay
loop in VIDEO_TSTC_FCT (i8042)
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CFG_CONSOLE_BLINK_COUNT - value for delay loop - blink rate
CONFIG_CONSOLE_TIME - display time/date in upper right corner,
needs CONFIG_CMD_DATE and CONFIG_CONSOLE_CURSOR
CONFIG_VIDEO_LOGO - display Linux Logo in upper left corner
CONFIG_VIDEO_BMP_LOGO - use bmp_logo instead of linux_logo
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CONFIG_CONSOLE_EXTRA_INFO - display additional board information strings
that normaly goes to serial port. This define
requires a board specific function:
video_drawstring (VIDEO_INFO_X,
VIDEO_INFO_Y + i*VIDEO_FONT_HEIGHT,
info);
that fills a info buffer at i=row.
s.a: board/eltec/bab7xx.
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CONFIG_VGA_AS_SINGLE_DEVICE - If set the framebuffer device will be initialised
as an output only device. The Keyboard driver
will not be set-up. This may be used, if you
have none or more than one Keyboard devices
(USB Keyboard, AT Keyboard).
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CONFIG_VIDEO_SW_CURSOR: - Draws a cursor after the last character. No
blinking is provided. Uses the macros CURSOR_SET
and CURSOR_OFF.
CONFIG_VIDEO_HW_CURSOR: - Uses the hardware cursor capability of the
graphic chip. Uses the macro CURSOR_SET.
ATTENTION: If booting an OS, the display driver
must disable the hardware register of the graphic
chip. Otherwise a blinking field is displayed
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*/
#include <common.h>
#ifdef CONFIG_CFB_CONSOLE
#include <malloc.h>
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/*****************************************************************************/
/* Console device defines with SMI graphic */
/* Any other graphic must change this section */
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/*****************************************************************************/
#ifdef CONFIG_VIDEO_SMI_LYNXEM
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#define VIDEO_FB_LITTLE_ENDIAN
#define VIDEO_HW_RECTFILL
#define VIDEO_HW_BITBLT
#endif
/*****************************************************************************/
/* Defines for the CT69000 driver */
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/*****************************************************************************/
#ifdef CONFIG_VIDEO_CT69000
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#define VIDEO_FB_LITTLE_ENDIAN
#define VIDEO_HW_RECTFILL
#define VIDEO_HW_BITBLT
#endif
/*****************************************************************************/
/* Defines for the SED13806 driver */
/*****************************************************************************/
#ifdef CONFIG_VIDEO_SED13806
#ifndef CONFIG_TOTAL5200
#define VIDEO_FB_LITTLE_ENDIAN
#endif
#define VIDEO_HW_RECTFILL
#define VIDEO_HW_BITBLT
#endif
/*****************************************************************************/
/* Defines for the SED13806 driver */
/*****************************************************************************/
#ifdef CONFIG_VIDEO_SM501
#ifdef CONFIG_HH405
#define VIDEO_FB_LITTLE_ENDIAN
#endif
#endif
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/*****************************************************************************/
/* Include video_fb.h after definitions of VIDEO_HW_RECTFILL etc */
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/*****************************************************************************/
#include <video_fb.h>
/*****************************************************************************/
/* some Macros */
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/*****************************************************************************/
#define VIDEO_VISIBLE_COLS (pGD->winSizeX)
#define VIDEO_VISIBLE_ROWS (pGD->winSizeY)
#define VIDEO_PIXEL_SIZE (pGD->gdfBytesPP)
#define VIDEO_DATA_FORMAT (pGD->gdfIndex)
#define VIDEO_FB_ADRS (pGD->frameAdrs)
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/*****************************************************************************/
/* Console device defines with i8042 keyboard controller */
/* Any other keyboard controller must change this section */
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/*****************************************************************************/
#ifdef CONFIG_I8042_KBD
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#include <i8042.h>
#define VIDEO_KBD_INIT_FCT i8042_kbd_init()
#define VIDEO_TSTC_FCT i8042_tstc
#define VIDEO_GETC_FCT i8042_getc
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#endif
/*****************************************************************************/
/* Console device */
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/*****************************************************************************/
#include <version.h>
#include <linux/types.h>
#include <devices.h>
#include <video_font.h>
#if defined(CONFIG_CMD_DATE)
#include <rtc.h>
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#endif
#if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
#include <watchdog.h>
#include <bmp_layout.h>
#endif
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/*****************************************************************************/
/* Cursor definition: */
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/* CONFIG_CONSOLE_CURSOR: Uses a timer function (see drivers/i8042.c) to */
/* let the cursor blink. Uses the macros CURSOR_OFF */
/* and CURSOR_ON. */
/* CONFIG_VIDEO_SW_CURSOR: Draws a cursor after the last character. No */
/* blinking is provided. Uses the macros CURSOR_SET */
/* and CURSOR_OFF. */
/* CONFIG_VIDEO_HW_CURSOR: Uses the hardware cursor capability of the */
/* graphic chip. Uses the macro CURSOR_SET. */
/* ATTENTION: If booting an OS, the display driver */
/* must disable the hardware register of the graphic */
/* chip. Otherwise a blinking field is displayed */
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/*****************************************************************************/
#if !defined(CONFIG_CONSOLE_CURSOR) && \
!defined(CONFIG_VIDEO_SW_CURSOR) && \
!defined(CONFIG_VIDEO_HW_CURSOR)
/* no Cursor defined */
#define CURSOR_ON
#define CURSOR_OFF
#define CURSOR_SET
#endif
#ifdef CONFIG_CONSOLE_CURSOR
#ifdef CURSOR_ON
#error only one of CONFIG_CONSOLE_CURSOR,CONFIG_VIDEO_SW_CURSOR,CONFIG_VIDEO_HW_CURSOR can be defined
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#endif
void console_cursor (int state);
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#define CURSOR_ON console_cursor(1);
#define CURSOR_OFF console_cursor(0);
#define CURSOR_SET
#ifndef CONFIG_I8042_KBD
#warning Cursor drawing on/off needs timer function s.a. drivers/i8042.c
#endif
#else
#ifdef CONFIG_CONSOLE_TIME
#error CONFIG_CONSOLE_CURSOR must be defined for CONFIG_CONSOLE_TIME
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#endif
#endif /* CONFIG_CONSOLE_CURSOR */
#ifdef CONFIG_VIDEO_SW_CURSOR
#ifdef CURSOR_ON
#error only one of CONFIG_CONSOLE_CURSOR,CONFIG_VIDEO_SW_CURSOR,CONFIG_VIDEO_HW_CURSOR can be defined
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#endif
#define CURSOR_ON
#define CURSOR_OFF video_putchar(console_col * VIDEO_FONT_WIDTH,\
console_row * VIDEO_FONT_HEIGHT, ' ');
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#define CURSOR_SET video_set_cursor();
#endif /* CONFIG_VIDEO_SW_CURSOR */
#ifdef CONFIG_VIDEO_HW_CURSOR
#ifdef CURSOR_ON
#error only one of CONFIG_CONSOLE_CURSOR,CONFIG_VIDEO_SW_CURSOR,CONFIG_VIDEO_HW_CURSOR can be defined
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#endif
#define CURSOR_ON
#define CURSOR_OFF
#define CURSOR_SET video_set_hw_cursor(console_col * VIDEO_FONT_WIDTH, \
(console_row * VIDEO_FONT_HEIGHT) + VIDEO_LOGO_HEIGHT);
#endif /* CONFIG_VIDEO_HW_CURSOR */
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#ifdef CONFIG_VIDEO_LOGO
#ifdef CONFIG_VIDEO_BMP_LOGO
#include <bmp_logo.h>
#define VIDEO_LOGO_WIDTH BMP_LOGO_WIDTH
#define VIDEO_LOGO_HEIGHT BMP_LOGO_HEIGHT
#define VIDEO_LOGO_LUT_OFFSET BMP_LOGO_OFFSET
#define VIDEO_LOGO_COLORS BMP_LOGO_COLORS
#else /* CONFIG_VIDEO_BMP_LOGO */
#define LINUX_LOGO_WIDTH 80
#define LINUX_LOGO_HEIGHT 80
#define LINUX_LOGO_COLORS 214
#define LINUX_LOGO_LUT_OFFSET 0x20
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#define __initdata
#include <linux_logo.h>
#define VIDEO_LOGO_WIDTH LINUX_LOGO_WIDTH
#define VIDEO_LOGO_HEIGHT LINUX_LOGO_HEIGHT
#define VIDEO_LOGO_LUT_OFFSET LINUX_LOGO_LUT_OFFSET
#define VIDEO_LOGO_COLORS LINUX_LOGO_COLORS
#endif /* CONFIG_VIDEO_BMP_LOGO */
#define VIDEO_INFO_X (VIDEO_LOGO_WIDTH)
#define VIDEO_INFO_Y (VIDEO_FONT_HEIGHT/2)
#else /* CONFIG_VIDEO_LOGO */
#define VIDEO_LOGO_WIDTH 0
#define VIDEO_LOGO_HEIGHT 0
#endif /* CONFIG_VIDEO_LOGO */
#define VIDEO_COLS VIDEO_VISIBLE_COLS
#define VIDEO_ROWS VIDEO_VISIBLE_ROWS
#define VIDEO_SIZE (VIDEO_ROWS*VIDEO_COLS*VIDEO_PIXEL_SIZE)
#define VIDEO_PIX_BLOCKS (VIDEO_SIZE >> 2)
#define VIDEO_LINE_LEN (VIDEO_COLS*VIDEO_PIXEL_SIZE)
#define VIDEO_BURST_LEN (VIDEO_COLS/8)
#ifdef CONFIG_VIDEO_LOGO
#define CONSOLE_ROWS ((VIDEO_ROWS - VIDEO_LOGO_HEIGHT) / VIDEO_FONT_HEIGHT)
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#else
#define CONSOLE_ROWS (VIDEO_ROWS / VIDEO_FONT_HEIGHT)
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#endif
#define CONSOLE_COLS (VIDEO_COLS / VIDEO_FONT_WIDTH)
#define CONSOLE_ROW_SIZE (VIDEO_FONT_HEIGHT * VIDEO_LINE_LEN)
#define CONSOLE_ROW_FIRST (video_console_address)
#define CONSOLE_ROW_SECOND (video_console_address + CONSOLE_ROW_SIZE)
#define CONSOLE_ROW_LAST (video_console_address + CONSOLE_SIZE - CONSOLE_ROW_SIZE)
#define CONSOLE_SIZE (CONSOLE_ROW_SIZE * CONSOLE_ROWS)
#define CONSOLE_SCROLL_SIZE (CONSOLE_SIZE - CONSOLE_ROW_SIZE)
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/* Macros */
#ifdef VIDEO_FB_LITTLE_ENDIAN
#define SWAP16(x) ((((x) & 0x00ff) << 8) | ( (x) >> 8))
#define SWAP32(x) ((((x) & 0x000000ff) << 24) | (((x) & 0x0000ff00) << 8)|\
(((x) & 0x00ff0000) >> 8) | (((x) & 0xff000000) >> 24) )
#define SHORTSWAP32(x) ((((x) & 0x000000ff) << 8) | (((x) & 0x0000ff00) >> 8)|\
(((x) & 0x00ff0000) << 8) | (((x) & 0xff000000) >> 8) )
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#else
#define SWAP16(x) (x)
#define SWAP32(x) (x)
#define SHORTSWAP32(x) (x)
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#endif
#if defined(DEBUG) || defined(DEBUG_CFB_CONSOLE)
#define PRINTD(x) printf(x)
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#else
#define PRINTD(x)
#endif
#ifdef CONFIG_CONSOLE_EXTRA_INFO
extern void video_get_info_str ( /* setup a board string: type, speed, etc. */
int line_number, /* location to place info string beside logo */
char *info /* buffer for info string */
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);
#endif
/* Locals */
static GraphicDevice *pGD; /* Pointer to Graphic array */
static void *video_fb_address; /* frame buffer address */
static void *video_console_address; /* console buffer start address */
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static int console_col = 0; /* cursor col */
static int console_row = 0; /* cursor row */
static u32 eorx, fgx, bgx; /* color pats */
static const int video_font_draw_table8[] = {
0x00000000, 0x000000ff, 0x0000ff00, 0x0000ffff,
0x00ff0000, 0x00ff00ff, 0x00ffff00, 0x00ffffff,
0xff000000, 0xff0000ff, 0xff00ff00, 0xff00ffff,
0xffff0000, 0xffff00ff, 0xffffff00, 0xffffffff };
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static const int video_font_draw_table15[] = {
0x00000000, 0x00007fff, 0x7fff0000, 0x7fff7fff };
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static const int video_font_draw_table16[] = {
0x00000000, 0x0000ffff, 0xffff0000, 0xffffffff };
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static const int video_font_draw_table24[16][3] = {
{ 0x00000000, 0x00000000, 0x00000000 },
{ 0x00000000, 0x00000000, 0x00ffffff },
{ 0x00000000, 0x0000ffff, 0xff000000 },
{ 0x00000000, 0x0000ffff, 0xffffffff },
{ 0x000000ff, 0xffff0000, 0x00000000 },
{ 0x000000ff, 0xffff0000, 0x00ffffff },
{ 0x000000ff, 0xffffffff, 0xff000000 },
{ 0x000000ff, 0xffffffff, 0xffffffff },
{ 0xffffff00, 0x00000000, 0x00000000 },
{ 0xffffff00, 0x00000000, 0x00ffffff },
{ 0xffffff00, 0x0000ffff, 0xff000000 },
{ 0xffffff00, 0x0000ffff, 0xffffffff },
{ 0xffffffff, 0xffff0000, 0x00000000 },
{ 0xffffffff, 0xffff0000, 0x00ffffff },
{ 0xffffffff, 0xffffffff, 0xff000000 },
{ 0xffffffff, 0xffffffff, 0xffffffff } };
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static const int video_font_draw_table32[16][4] = {
{ 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
{ 0x00000000, 0x00000000, 0x00000000, 0x00ffffff },
{ 0x00000000, 0x00000000, 0x00ffffff, 0x00000000 },
{ 0x00000000, 0x00000000, 0x00ffffff, 0x00ffffff },
{ 0x00000000, 0x00ffffff, 0x00000000, 0x00000000 },
{ 0x00000000, 0x00ffffff, 0x00000000, 0x00ffffff },
{ 0x00000000, 0x00ffffff, 0x00ffffff, 0x00000000 },
{ 0x00000000, 0x00ffffff, 0x00ffffff, 0x00ffffff },
{ 0x00ffffff, 0x00000000, 0x00000000, 0x00000000 },
{ 0x00ffffff, 0x00000000, 0x00000000, 0x00ffffff },
{ 0x00ffffff, 0x00000000, 0x00ffffff, 0x00000000 },
{ 0x00ffffff, 0x00000000, 0x00ffffff, 0x00ffffff },
{ 0x00ffffff, 0x00ffffff, 0x00000000, 0x00000000 },
{ 0x00ffffff, 0x00ffffff, 0x00000000, 0x00ffffff },
{ 0x00ffffff, 0x00ffffff, 0x00ffffff, 0x00000000 },
{ 0x00ffffff, 0x00ffffff, 0x00ffffff, 0x00ffffff } };
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int gunzip(void *, int, unsigned char *, unsigned long *);
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/******************************************************************************/
static void video_drawchars (int xx, int yy, unsigned char *s, int count)
{
u8 *cdat, *dest, *dest0;
int rows, offset, c;
offset = yy * VIDEO_LINE_LEN + xx * VIDEO_PIXEL_SIZE;
dest0 = video_fb_address + offset;
switch (VIDEO_DATA_FORMAT) {
case GDF__8BIT_INDEX:
case GDF__8BIT_332RGB:
while (count--) {
c = *s;
cdat = video_fontdata + c * VIDEO_FONT_HEIGHT;
for (rows = VIDEO_FONT_HEIGHT, dest = dest0;
rows--;
dest += VIDEO_LINE_LEN) {
u8 bits = *cdat++;
((u32 *) dest)[0] = (video_font_draw_table8[bits >> 4] & eorx) ^ bgx;
((u32 *) dest)[1] = (video_font_draw_table8[bits & 15] & eorx) ^ bgx;
}
dest0 += VIDEO_FONT_WIDTH * VIDEO_PIXEL_SIZE;
s++;
}
break;
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case GDF_15BIT_555RGB:
while (count--) {
c = *s;
cdat = video_fontdata + c * VIDEO_FONT_HEIGHT;
for (rows = VIDEO_FONT_HEIGHT, dest = dest0;
rows--;
dest += VIDEO_LINE_LEN) {
u8 bits = *cdat++;
((u32 *) dest)[0] = SHORTSWAP32 ((video_font_draw_table15 [bits >> 6] & eorx) ^ bgx);
((u32 *) dest)[1] = SHORTSWAP32 ((video_font_draw_table15 [bits >> 4 & 3] & eorx) ^ bgx);
((u32 *) dest)[2] = SHORTSWAP32 ((video_font_draw_table15 [bits >> 2 & 3] & eorx) ^ bgx);
((u32 *) dest)[3] = SHORTSWAP32 ((video_font_draw_table15 [bits & 3] & eorx) ^ bgx);
}
dest0 += VIDEO_FONT_WIDTH * VIDEO_PIXEL_SIZE;
s++;
}
break;
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case GDF_16BIT_565RGB:
while (count--) {
c = *s;
cdat = video_fontdata + c * VIDEO_FONT_HEIGHT;
for (rows = VIDEO_FONT_HEIGHT, dest = dest0;
rows--;
dest += VIDEO_LINE_LEN) {
u8 bits = *cdat++;
((u32 *) dest)[0] = SHORTSWAP32 ((video_font_draw_table16 [bits >> 6] & eorx) ^ bgx);
((u32 *) dest)[1] = SHORTSWAP32 ((video_font_draw_table16 [bits >> 4 & 3] & eorx) ^ bgx);
((u32 *) dest)[2] = SHORTSWAP32 ((video_font_draw_table16 [bits >> 2 & 3] & eorx) ^ bgx);
((u32 *) dest)[3] = SHORTSWAP32 ((video_font_draw_table16 [bits & 3] & eorx) ^ bgx);
}
dest0 += VIDEO_FONT_WIDTH * VIDEO_PIXEL_SIZE;
s++;
}
break;
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case GDF_32BIT_X888RGB:
while (count--) {
c = *s;
cdat = video_fontdata + c * VIDEO_FONT_HEIGHT;
for (rows = VIDEO_FONT_HEIGHT, dest = dest0;
rows--;
dest += VIDEO_LINE_LEN) {
u8 bits = *cdat++;
((u32 *) dest)[0] = SWAP32 ((video_font_draw_table32 [bits >> 4][0] & eorx) ^ bgx);
((u32 *) dest)[1] = SWAP32 ((video_font_draw_table32 [bits >> 4][1] & eorx) ^ bgx);
((u32 *) dest)[2] = SWAP32 ((video_font_draw_table32 [bits >> 4][2] & eorx) ^ bgx);
((u32 *) dest)[3] = SWAP32 ((video_font_draw_table32 [bits >> 4][3] & eorx) ^ bgx);
((u32 *) dest)[4] = SWAP32 ((video_font_draw_table32 [bits & 15][0] & eorx) ^ bgx);
((u32 *) dest)[5] = SWAP32 ((video_font_draw_table32 [bits & 15][1] & eorx) ^ bgx);
((u32 *) dest)[6] = SWAP32 ((video_font_draw_table32 [bits & 15][2] & eorx) ^ bgx);
((u32 *) dest)[7] = SWAP32 ((video_font_draw_table32 [bits & 15][3] & eorx) ^ bgx);
}
dest0 += VIDEO_FONT_WIDTH * VIDEO_PIXEL_SIZE;
s++;
}
break;
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case GDF_24BIT_888RGB:
while (count--) {
c = *s;
cdat = video_fontdata + c * VIDEO_FONT_HEIGHT;
for (rows = VIDEO_FONT_HEIGHT, dest = dest0;
rows--;
dest += VIDEO_LINE_LEN) {
u8 bits = *cdat++;
((u32 *) dest)[0] = (video_font_draw_table24[bits >> 4][0] & eorx) ^ bgx;
((u32 *) dest)[1] = (video_font_draw_table24[bits >> 4][1] & eorx) ^ bgx;
((u32 *) dest)[2] = (video_font_draw_table24[bits >> 4][2] & eorx) ^ bgx;
((u32 *) dest)[3] = (video_font_draw_table24[bits & 15][0] & eorx) ^ bgx;
((u32 *) dest)[4] = (video_font_draw_table24[bits & 15][1] & eorx) ^ bgx;
((u32 *) dest)[5] = (video_font_draw_table24[bits & 15][2] & eorx) ^ bgx;
}
dest0 += VIDEO_FONT_WIDTH * VIDEO_PIXEL_SIZE;
s++;
}
break;
}
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}
/*****************************************************************************/
static inline void video_drawstring (int xx, int yy, unsigned char *s)
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{
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video_drawchars (xx, yy, s, strlen ((char *)s));
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}
/*****************************************************************************/
static void video_putchar (int xx, int yy, unsigned char c)
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{
video_drawchars (xx, yy + VIDEO_LOGO_HEIGHT, &c, 1);
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}
/*****************************************************************************/
#if defined(CONFIG_CONSOLE_CURSOR) || defined(CONFIG_VIDEO_SW_CURSOR)
static void video_set_cursor (void)
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{
/* swap drawing colors */
eorx = fgx;
fgx = bgx;
bgx = eorx;
eorx = fgx ^ bgx;
/* draw cursor */
video_putchar (console_col * VIDEO_FONT_WIDTH,
console_row * VIDEO_FONT_HEIGHT,
' ');
/* restore drawing colors */
eorx = fgx;
fgx = bgx;
bgx = eorx;
eorx = fgx ^ bgx;
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}
#endif
/*****************************************************************************/
#ifdef CONFIG_CONSOLE_CURSOR
void console_cursor (int state)
{
static int last_state = 0;
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#ifdef CONFIG_CONSOLE_TIME
struct rtc_time tm;
char info[16];
/* time update only if cursor is on (faster scroll) */
if (state) {
rtc_get (&tm);
sprintf (info, " %02d:%02d:%02d ", tm.tm_hour, tm.tm_min,
tm.tm_sec);
video_drawstring (VIDEO_VISIBLE_COLS - 10 * VIDEO_FONT_WIDTH,
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VIDEO_INFO_Y, (uchar *)info);
sprintf (info, "%02d.%02d.%04d", tm.tm_mday, tm.tm_mon,
tm.tm_year);
video_drawstring (VIDEO_VISIBLE_COLS - 10 * VIDEO_FONT_WIDTH,
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VIDEO_INFO_Y + 1 * VIDEO_FONT_HEIGHT, (uchar *)info);
}
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#endif
if (state && (last_state != state)) {
video_set_cursor ();
}
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if (!state && (last_state != state)) {
/* clear cursor */
video_putchar (console_col * VIDEO_FONT_WIDTH,
console_row * VIDEO_FONT_HEIGHT,
' ');
}
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last_state = state;
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}
#endif
/*****************************************************************************/
#ifndef VIDEO_HW_RECTFILL
static void memsetl (int *p, int c, int v)
{
while (c--)
*(p++) = v;
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}
#endif
/*****************************************************************************/
#ifndef VIDEO_HW_BITBLT
static void memcpyl (int *d, int *s, int c)
{
while (c--)
*(d++) = *(s++);
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}
#endif
/*****************************************************************************/
static void console_scrollup (void)
{
/* copy up rows ignoring the first one */
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#ifdef VIDEO_HW_BITBLT
video_hw_bitblt (VIDEO_PIXEL_SIZE, /* bytes per pixel */
0, /* source pos x */
VIDEO_LOGO_HEIGHT + VIDEO_FONT_HEIGHT, /* source pos y */
0, /* dest pos x */
VIDEO_LOGO_HEIGHT, /* dest pos y */
VIDEO_VISIBLE_COLS, /* frame width */
VIDEO_VISIBLE_ROWS - VIDEO_LOGO_HEIGHT - VIDEO_FONT_HEIGHT /* frame height */
);
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#else
memcpyl (CONSOLE_ROW_FIRST, CONSOLE_ROW_SECOND,
CONSOLE_SCROLL_SIZE >> 2);
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#endif
/* clear the last one */
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#ifdef VIDEO_HW_RECTFILL
video_hw_rectfill (VIDEO_PIXEL_SIZE, /* bytes per pixel */
0, /* dest pos x */
VIDEO_VISIBLE_ROWS - VIDEO_FONT_HEIGHT, /* dest pos y */
VIDEO_VISIBLE_COLS, /* frame width */
VIDEO_FONT_HEIGHT, /* frame height */
CONSOLE_BG_COL /* fill color */
);
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#else
memsetl (CONSOLE_ROW_LAST, CONSOLE_ROW_SIZE >> 2, CONSOLE_BG_COL);
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#endif
}
/*****************************************************************************/
static void console_back (void)
{
CURSOR_OFF console_col--;
if (console_col < 0) {
console_col = CONSOLE_COLS - 1;
console_row--;
if (console_row < 0)
console_row = 0;
}
video_putchar (console_col * VIDEO_FONT_WIDTH,
console_row * VIDEO_FONT_HEIGHT,
' ');
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}
/*****************************************************************************/
static void console_newline (void)
{
CURSOR_OFF console_row++;
console_col = 0;
/* Check if we need to scroll the terminal */
if (console_row >= CONSOLE_ROWS) {
/* Scroll everything up */
console_scrollup ();
/* Decrement row number */
console_row--;
}
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}
/*****************************************************************************/
void video_putc (const char c)
{
switch (c) {
case 13: /* ignore */
break;
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case '\n': /* next line */
console_newline ();
break;
case 9: /* tab 8 */
CURSOR_OFF console_col |= 0x0008;
console_col &= ~0x0007;
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if (console_col >= CONSOLE_COLS)
console_newline ();
break;
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case 8: /* backspace */
console_back ();
break;
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default: /* draw the char */
video_putchar (console_col * VIDEO_FONT_WIDTH,
console_row * VIDEO_FONT_HEIGHT,
c);
console_col++;
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/* check for newline */
if (console_col >= CONSOLE_COLS)
console_newline ();
}
CURSOR_SET}
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/*****************************************************************************/
void video_puts (const char *s)
{
int count = strlen (s);
while (count--)
video_putc (*s++);
}
/*****************************************************************************/
#if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
#define FILL_8BIT_332RGB(r,g,b) { \
*fb = ((r>>5)<<5) | ((g>>5)<<2) | (b>>6); \
fb ++; \
}
#define FILL_15BIT_555RGB(r,g,b) { \
*(unsigned short *)fb = SWAP16((unsigned short)(((r>>3)<<10) | ((g>>3)<<5) | (b>>3))); \
fb += 2; \
}
#define FILL_16BIT_565RGB(r,g,b) { \
*(unsigned short *)fb = SWAP16((unsigned short)((((r)>>3)<<11) | (((g)>>2)<<5) | ((b)>>3))); \
fb += 2; \
}
#define FILL_32BIT_X888RGB(r,g,b) { \
*(unsigned long *)fb = SWAP32((unsigned long)(((r<<16) | (g<<8) | b))); \
fb += 4; \
}
#ifdef VIDEO_FB_LITTLE_ENDIAN
#define FILL_24BIT_888RGB(r,g,b) { \
fb[0] = b; \
fb[1] = g; \
fb[2] = r; \
fb += 3; \
}
#else
#define FILL_24BIT_888RGB(r,g,b) { \
fb[0] = r; \
fb[1] = g; \
fb[2] = b; \
fb += 3; \
}
#endif
/*
* Display the BMP file located at address bmp_image.
* Only uncompressed
*/
int video_display_bitmap (ulong bmp_image, int x, int y)
{
ushort xcount, ycount;
uchar *fb;
bmp_image_t *bmp = (bmp_image_t *) bmp_image;
uchar *bmap;
ushort padded_line;
unsigned long width, height, bpp;
unsigned colors;
unsigned long compression;
bmp_color_table_entry_t cte;
#ifdef CONFIG_VIDEO_BMP_GZIP
unsigned char *dst = NULL;
ulong len;
#endif
WATCHDOG_RESET ();
if (!((bmp->header.signature[0] == 'B') &&
(bmp->header.signature[1] == 'M'))) {
#ifdef CONFIG_VIDEO_BMP_GZIP
/*
* Could be a gzipped bmp image, try to decrompress...
*/
len = CFG_VIDEO_LOGO_MAX_SIZE;
dst = malloc(CFG_VIDEO_LOGO_MAX_SIZE);
if (dst == NULL) {
printf("Error: malloc in gunzip failed!\n");
return(1);
}
if (gunzip(dst, CFG_VIDEO_LOGO_MAX_SIZE, (uchar *)bmp_image, &len) != 0) {
printf ("Error: no valid bmp or bmp.gz image at %lx\n", bmp_image);
free(dst);
return 1;
}
if (len == CFG_VIDEO_LOGO_MAX_SIZE) {
printf("Image could be truncated (increase CFG_VIDEO_LOGO_MAX_SIZE)!\n");
}
/*
* Set addr to decompressed image
*/
bmp = (bmp_image_t *)dst;
if (!((bmp->header.signature[0] == 'B') &&
(bmp->header.signature[1] == 'M'))) {
printf ("Error: no valid bmp.gz image at %lx\n", bmp_image);
return 1;
}
#else
printf ("Error: no valid bmp image at %lx\n", bmp_image);
return 1;
#endif /* CONFIG_VIDEO_BMP_GZIP */
}
width = le32_to_cpu (bmp->header.width);
height = le32_to_cpu (bmp->header.height);
bpp = le16_to_cpu (bmp->header.bit_count);
colors = le32_to_cpu (bmp->header.colors_used);
compression = le32_to_cpu (bmp->header.compression);
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debug ("Display-bmp: %d x %d with %d colors\n",
width, height, colors);
if (compression != BMP_BI_RGB) {
printf ("Error: compression type %ld not supported\n",
compression);
return 1;
}
padded_line = (((width * bpp + 7) / 8) + 3) & ~0x3;
if ((x + width) > VIDEO_VISIBLE_COLS)
width = VIDEO_VISIBLE_COLS - x;
if ((y + height) > VIDEO_VISIBLE_ROWS)
height = VIDEO_VISIBLE_ROWS - y;
bmap = (uchar *) bmp + le32_to_cpu (bmp->header.data_offset);
fb = (uchar *) (video_fb_address +
((y + height - 1) * VIDEO_COLS * VIDEO_PIXEL_SIZE) +
x * VIDEO_PIXEL_SIZE);
/* We handle only 8bpp or 24 bpp bitmap */
switch (le16_to_cpu (bmp->header.bit_count)) {
case 8:
padded_line -= width;
if (VIDEO_DATA_FORMAT == GDF__8BIT_INDEX) {
/* Copy colormap */
for (xcount = 0; xcount < colors; ++xcount) {
cte = bmp->color_table[xcount];
video_set_lut (xcount, cte.red, cte.green, cte.blue);
}
}
ycount = height;
switch (VIDEO_DATA_FORMAT) {
case GDF__8BIT_INDEX:
while (ycount--) {
WATCHDOG_RESET ();
xcount = width;
while (xcount--) {
*fb++ = *bmap++;
}
bmap += padded_line;
fb -= (VIDEO_VISIBLE_COLS + width) * VIDEO_PIXEL_SIZE;
}
break;
case GDF__8BIT_332RGB:
while (ycount--) {
WATCHDOG_RESET ();
xcount = width;
while (xcount--) {
cte = bmp->color_table[*bmap++];
FILL_8BIT_332RGB (cte.red, cte.green, cte.blue);
}
bmap += padded_line;
fb -= (VIDEO_VISIBLE_COLS + width) * VIDEO_PIXEL_SIZE;
}
break;
case GDF_15BIT_555RGB:
while (ycount--) {
WATCHDOG_RESET ();
xcount = width;
while (xcount--) {
cte = bmp->color_table[*bmap++];
FILL_15BIT_555RGB (cte.red, cte.green, cte.blue);
}
bmap += padded_line;
fb -= (VIDEO_VISIBLE_COLS + width) * VIDEO_PIXEL_SIZE;
}
break;
case GDF_16BIT_565RGB:
while (ycount--) {
WATCHDOG_RESET ();
xcount = width;
while (xcount--) {
cte = bmp->color_table[*bmap++];
FILL_16BIT_565RGB (cte.red, cte.green, cte.blue);
}
bmap += padded_line;
fb -= (VIDEO_VISIBLE_COLS + width) * VIDEO_PIXEL_SIZE;
}
break;
case GDF_32BIT_X888RGB:
while (ycount--) {
WATCHDOG_RESET ();
xcount = width;
while (xcount--) {
cte = bmp->color_table[*bmap++];
FILL_32BIT_X888RGB (cte.red, cte.green, cte.blue);
}
bmap += padded_line;
fb -= (VIDEO_VISIBLE_COLS + width) * VIDEO_PIXEL_SIZE;
}
break;
case GDF_24BIT_888RGB:
while (ycount--) {
WATCHDOG_RESET ();
xcount = width;
while (xcount--) {
cte = bmp->color_table[*bmap++];
FILL_24BIT_888RGB (cte.red, cte.green, cte.blue);
}
bmap += padded_line;
fb -= (VIDEO_VISIBLE_COLS + width) * VIDEO_PIXEL_SIZE;
}
break;
}
break;
case 24:
padded_line -= 3 * width;
ycount = height;
switch (VIDEO_DATA_FORMAT) {
case GDF__8BIT_332RGB:
while (ycount--) {
WATCHDOG_RESET ();
xcount = width;
while (xcount--) {
FILL_8BIT_332RGB (bmap[2], bmap[1], bmap[0]);
bmap += 3;
}
bmap += padded_line;
fb -= (VIDEO_VISIBLE_COLS + width) * VIDEO_PIXEL_SIZE;
}
break;
case GDF_15BIT_555RGB:
while (ycount--) {
WATCHDOG_RESET ();
xcount = width;
while (xcount--) {
FILL_15BIT_555RGB (bmap[2], bmap[1], bmap[0]);
bmap += 3;
}
bmap += padded_line;
fb -= (VIDEO_VISIBLE_COLS + width) * VIDEO_PIXEL_SIZE;
}
break;
case GDF_16BIT_565RGB:
while (ycount--) {
WATCHDOG_RESET ();
xcount = width;
while (xcount--) {
FILL_16BIT_565RGB (bmap[2], bmap[1], bmap[0]);
bmap += 3;
}
bmap += padded_line;
fb -= (VIDEO_VISIBLE_COLS + width) * VIDEO_PIXEL_SIZE;
}
break;
case GDF_32BIT_X888RGB:
while (ycount--) {
WATCHDOG_RESET ();
xcount = width;
while (xcount--) {
FILL_32BIT_X888RGB (bmap[2], bmap[1], bmap[0]);
bmap += 3;
}
bmap += padded_line;
fb -= (VIDEO_VISIBLE_COLS + width) * VIDEO_PIXEL_SIZE;
}
break;
case GDF_24BIT_888RGB:
while (ycount--) {
WATCHDOG_RESET ();
xcount = width;
while (xcount--) {
FILL_24BIT_888RGB (bmap[2], bmap[1], bmap[0]);
bmap += 3;
}
bmap += padded_line;
fb -= (VIDEO_VISIBLE_COLS + width) * VIDEO_PIXEL_SIZE;
}
break;
default:
printf ("Error: 24 bits/pixel bitmap incompatible with current video mode\n");
break;
}
break;
default:
printf ("Error: %d bit/pixel bitmaps not supported by U-Boot\n",
le16_to_cpu (bmp->header.bit_count));
break;
}
#ifdef CONFIG_VIDEO_BMP_GZIP
if (dst) {
free(dst);
}
#endif
return (0);
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}
#endif
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/*****************************************************************************/
#ifdef CONFIG_VIDEO_LOGO
void logo_plot (void *screen, int width, int x, int y)
{
int xcount, i;
int skip = (width - VIDEO_LOGO_WIDTH) * VIDEO_PIXEL_SIZE;
int ycount = VIDEO_LOGO_HEIGHT;
unsigned char r, g, b, *logo_red, *logo_blue, *logo_green;
unsigned char *source;
unsigned char *dest = (unsigned char *)screen + ((y * width * VIDEO_PIXEL_SIZE) + x);
#ifdef CONFIG_VIDEO_BMP_LOGO
source = bmp_logo_bitmap;
/* Allocate temporary space for computing colormap */
logo_red = malloc (BMP_LOGO_COLORS);
logo_green = malloc (BMP_LOGO_COLORS);
logo_blue = malloc (BMP_LOGO_COLORS);
/* Compute color map */
for (i = 0; i < VIDEO_LOGO_COLORS; i++) {
logo_red[i] = (bmp_logo_palette[i] & 0x0f00) >> 4;
logo_green[i] = (bmp_logo_palette[i] & 0x00f0);
logo_blue[i] = (bmp_logo_palette[i] & 0x000f) << 4;
}
#else
source = linux_logo;
logo_red = linux_logo_red;
logo_green = linux_logo_green;
logo_blue = linux_logo_blue;
#endif
if (VIDEO_DATA_FORMAT == GDF__8BIT_INDEX) {
for (i = 0; i < VIDEO_LOGO_COLORS; i++) {
video_set_lut (i + VIDEO_LOGO_LUT_OFFSET,
logo_red[i], logo_green[i], logo_blue[i]);
}
}
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while (ycount--) {
xcount = VIDEO_LOGO_WIDTH;
while (xcount--) {
r = logo_red[*source - VIDEO_LOGO_LUT_OFFSET];
g = logo_green[*source - VIDEO_LOGO_LUT_OFFSET];
b = logo_blue[*source - VIDEO_LOGO_LUT_OFFSET];
switch (VIDEO_DATA_FORMAT) {
case GDF__8BIT_INDEX:
*dest = *source;
break;
case GDF__8BIT_332RGB:
*dest = ((r >> 5) << 5) | ((g >> 5) << 2) | (b >> 6);
break;
case GDF_15BIT_555RGB:
*(unsigned short *) dest =
SWAP16 ((unsigned short) (((r >> 3) << 10) | ((g >> 3) << 5) | (b >> 3)));
break;
case GDF_16BIT_565RGB:
*(unsigned short *) dest =
SWAP16 ((unsigned short) (((r >> 3) << 11) | ((g >> 2) << 5) | (b >> 3)));
break;
case GDF_32BIT_X888RGB:
*(unsigned long *) dest =
SWAP32 ((unsigned long) ((r << 16) | (g << 8) | b));
break;
case GDF_24BIT_888RGB:
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#ifdef VIDEO_FB_LITTLE_ENDIAN
dest[0] = b;
dest[1] = g;
dest[2] = r;
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#else
dest[0] = r;
dest[1] = g;
dest[2] = b;
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#endif
break;
}
source++;
dest += VIDEO_PIXEL_SIZE;
}
dest += skip;
}
#ifdef CONFIG_VIDEO_BMP_LOGO
free (logo_red);
free (logo_green);
free (logo_blue);
#endif
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}
/*****************************************************************************/
static void *video_logo (void)
{
char info[128];
extern char version_string;
#ifdef CONFIG_SPLASH_SCREEN
char *s;
ulong addr;
if ((s = getenv ("splashimage")) != NULL) {
addr = simple_strtoul (s, NULL, 16);
if (video_display_bitmap (addr, 0, 0) == 0) {
return ((void *) (video_fb_address));
}
}
#endif /* CONFIG_SPLASH_SCREEN */
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logo_plot (video_fb_address, VIDEO_COLS, 0, 0);
sprintf (info, " %s", &version_string);
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video_drawstring (VIDEO_INFO_X, VIDEO_INFO_Y, (uchar *)info);
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#ifdef CONFIG_CONSOLE_EXTRA_INFO
{
int i, n = ((VIDEO_LOGO_HEIGHT - VIDEO_FONT_HEIGHT) / VIDEO_FONT_HEIGHT);
for (i = 1; i < n; i++) {
video_get_info_str (i, info);
if (*info)
video_drawstring (VIDEO_INFO_X,
VIDEO_INFO_Y + i * VIDEO_FONT_HEIGHT,
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(uchar *)info);
}
}
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#endif
return (video_fb_address + VIDEO_LOGO_HEIGHT * VIDEO_LINE_LEN);
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}
#endif
/*****************************************************************************/
static int video_init (void)
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{
unsigned char color8;
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if ((pGD = video_hw_init ()) == NULL)
return -1;
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video_fb_address = (void *) VIDEO_FB_ADRS;
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#ifdef CONFIG_VIDEO_HW_CURSOR
video_init_hw_cursor (VIDEO_FONT_WIDTH, VIDEO_FONT_HEIGHT);
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#endif
/* Init drawing pats */
switch (VIDEO_DATA_FORMAT) {
case GDF__8BIT_INDEX:
video_set_lut (0x01, CONSOLE_FG_COL, CONSOLE_FG_COL, CONSOLE_FG_COL);
video_set_lut (0x00, CONSOLE_BG_COL, CONSOLE_BG_COL, CONSOLE_BG_COL);
fgx = 0x01010101;
bgx = 0x00000000;
break;
case GDF__8BIT_332RGB:
color8 = ((CONSOLE_FG_COL & 0xe0) |
((CONSOLE_FG_COL >> 3) & 0x1c) | CONSOLE_FG_COL >> 6);
fgx = (color8 << 24) | (color8 << 16) | (color8 << 8) | color8;
color8 = ((CONSOLE_BG_COL & 0xe0) |
((CONSOLE_BG_COL >> 3) & 0x1c) | CONSOLE_BG_COL >> 6);
bgx = (color8 << 24) | (color8 << 16) | (color8 << 8) | color8;
break;
case GDF_15BIT_555RGB:
fgx = (((CONSOLE_FG_COL >> 3) << 26) |
((CONSOLE_FG_COL >> 3) << 21) | ((CONSOLE_FG_COL >> 3) << 16) |
((CONSOLE_FG_COL >> 3) << 10) | ((CONSOLE_FG_COL >> 3) << 5) |
(CONSOLE_FG_COL >> 3));
bgx = (((CONSOLE_BG_COL >> 3) << 26) |
((CONSOLE_BG_COL >> 3) << 21) | ((CONSOLE_BG_COL >> 3) << 16) |
((CONSOLE_BG_COL >> 3) << 10) | ((CONSOLE_BG_COL >> 3) << 5) |
(CONSOLE_BG_COL >> 3));
break;
case GDF_16BIT_565RGB:
fgx = (((CONSOLE_FG_COL >> 3) << 27) |
((CONSOLE_FG_COL >> 2) << 21) | ((CONSOLE_FG_COL >> 3) << 16) |
((CONSOLE_FG_COL >> 3) << 11) | ((CONSOLE_FG_COL >> 2) << 5) |
(CONSOLE_FG_COL >> 3));
bgx = (((CONSOLE_BG_COL >> 3) << 27) |
((CONSOLE_BG_COL >> 2) << 21) | ((CONSOLE_BG_COL >> 3) << 16) |
((CONSOLE_BG_COL >> 3) << 11) | ((CONSOLE_BG_COL >> 2) << 5) |
(CONSOLE_BG_COL >> 3));
break;
case GDF_32BIT_X888RGB:
fgx = (CONSOLE_FG_COL << 16) | (CONSOLE_FG_COL << 8) | CONSOLE_FG_COL;
bgx = (CONSOLE_BG_COL << 16) | (CONSOLE_BG_COL << 8) | CONSOLE_BG_COL;
break;
case GDF_24BIT_888RGB:
fgx = (CONSOLE_FG_COL << 24) | (CONSOLE_FG_COL << 16) |
(CONSOLE_FG_COL << 8) | CONSOLE_FG_COL;
bgx = (CONSOLE_BG_COL << 24) | (CONSOLE_BG_COL << 16) |
(CONSOLE_BG_COL << 8) | CONSOLE_BG_COL;
break;
}
eorx = fgx ^ bgx;
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#ifdef CONFIG_VIDEO_LOGO
/* Plot the logo and get start point of console */
PRINTD ("Video: Drawing the logo ...\n");
video_console_address = video_logo ();
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#else
video_console_address = video_fb_address;
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#endif
/* Initialize the console */
console_col = 0;
console_row = 0;
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return 0;
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}
/*****************************************************************************/
int drv_video_init (void)
{
int skip_dev_init;
device_t console_dev;
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skip_dev_init = 0;
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/* Init video chip - returns with framebuffer cleared */
if (video_init () == -1)
skip_dev_init = 1;
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#ifdef CONFIG_VGA_AS_SINGLE_DEVICE
/* Devices VGA and Keyboard will be assigned seperately */
/* Init vga device */
if (!skip_dev_init) {
memset (&console_dev, 0, sizeof (console_dev));
strcpy (console_dev.name, "vga");
console_dev.ext = DEV_EXT_VIDEO; /* Video extensions */
console_dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_SYSTEM;
console_dev.putc = video_putc; /* 'putc' function */
console_dev.puts = video_puts; /* 'puts' function */
console_dev.tstc = NULL; /* 'tstc' function */
console_dev.getc = NULL; /* 'getc' function */
if (device_register (&console_dev) == 0)
return 1;
}
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#else
PRINTD ("KBD: Keyboard init ...\n");
if (VIDEO_KBD_INIT_FCT == -1)
skip_dev_init = 1;
/* Init console device */
if (!skip_dev_init) {
memset (&console_dev, 0, sizeof (console_dev));
strcpy (console_dev.name, "vga");
console_dev.ext = DEV_EXT_VIDEO; /* Video extensions */
console_dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT | DEV_FLAGS_SYSTEM;
console_dev.putc = video_putc; /* 'putc' function */
console_dev.puts = video_puts; /* 'puts' function */
console_dev.tstc = VIDEO_TSTC_FCT; /* 'tstc' function */
console_dev.getc = VIDEO_GETC_FCT; /* 'getc' function */
if (device_register (&console_dev) == 0)
return 1;
}
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#endif /* CONFIG_VGA_AS_SINGLE_DEVICE */
/* No console dev available */
return 0;
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}
#endif /* CONFIG_CFB_CONSOLE */