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u-boot/cpu/mpc8xx/lcd.c

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/*
* (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
*/
/************************************************************************/
/* ** HEADER FILES */
/************************************************************************/
/* #define DEBUG */
#include <config.h>
#include <common.h>
#include <watchdog.h>
#include <version.h>
#include <stdarg.h>
#include <lcdvideo.h>
#include <linux/types.h>
#include <devices.h>
#if defined(CONFIG_POST)
#include <post.h>
#endif
#include <lcd.h>
#ifdef CONFIG_LCD
/************************************************************************/
/* ** CONFIG STUFF -- should be moved to board config file */
/************************************************************************/
#define CONFIG_LCD_LOGO
#define LCD_INFO /* Display Logo, (C) and system info */
#if defined(CONFIG_V37) || defined(CONFIG_EDT32F10)
#undef CONFIG_LCD_LOGO
#undef LCD_INFO
#endif
/* #define LCD_TEST_PATTERN */ /* color backgnd for frame/color adjust */
/* #define CFG_INVERT_COLORS */ /* Not needed - adjust vl_dp instead */
/************************************************************************/
/************************************************************************/
/* ** BITMAP DISPLAY SUPPORT -- should probably be moved elsewhere */
/************************************************************************/
#if (CONFIG_COMMANDS & CFG_CMD_BMP)
#include <bmp_layout.h>
#endif /* (CONFIG_COMMANDS & CFG_CMD_BMP) */
/************************************************************************/
/* ** FONT AND LOGO DATA */
/************************************************************************/
#include <video_font.h> /* Get font data, width and height */
#ifdef CONFIG_LCD_LOGO
# include <bmp_logo.h> /* Get logo data, width and height */
#endif
/************************************************************************/
/************************************************************************/
/*
* Information about displays we are using. This is for configuring
* the LCD controller and memory allocation. Someone has to know what
* is connected, as we can't autodetect anything.
*/
#define CFG_HIGH 0 /* Pins are active high */
#define CFG_LOW 1 /* Pins are active low */
typedef struct vidinfo {
ushort vl_col; /* Number of columns (i.e. 640) */
ushort vl_row; /* Number of rows (i.e. 480) */
ushort vl_width; /* Width of display area in millimeters */
ushort vl_height; /* Height of display area in millimeters */
/* LCD configuration register.
*/
u_char vl_clkp; /* Clock polarity */
u_char vl_oep; /* Output Enable polarity */
u_char vl_hsp; /* Horizontal Sync polarity */
u_char vl_vsp; /* Vertical Sync polarity */
u_char vl_dp; /* Data polarity */
u_char vl_bpix; /* Bits per pixel, 0 = 1, 1 = 2, 2 = 4, 3 = 8 */
u_char vl_lbw; /* LCD Bus width, 0 = 4, 1 = 8 */
u_char vl_splt; /* Split display, 0 = single-scan, 1 = dual-scan */
u_char vl_clor; /* Color, 0 = mono, 1 = color */
u_char vl_tft; /* 0 = passive, 1 = TFT */
/* Horizontal control register. Timing from data sheet.
*/
ushort vl_wbl; /* Wait between lines */
/* Vertical control register.
*/
u_char vl_vpw; /* Vertical sync pulse width */
u_char vl_lcdac; /* LCD AC timing */
u_char vl_wbf; /* Wait between frames */
} vidinfo_t;
#define LCD_MONOCHROME 0
#define LCD_COLOR2 1
#define LCD_COLOR4 2
#define LCD_COLOR8 3
/*----------------------------------------------------------------------*/
#ifdef CONFIG_KYOCERA_KCS057QV1AJ
/*
* Kyocera KCS057QV1AJ-G23. Passive, color, single scan.
*/
#define LCD_BPP LCD_COLOR4
static vidinfo_t panel_info = {
640, 480, 132, 99, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH,
LCD_BPP, 1, 0, 1, 0, 5, 0, 0, 0
/* wbl, vpw, lcdac, wbf */
};
#endif /* CONFIG_KYOCERA_KCS057QV1AJ */
/*----------------------------------------------------------------------*/
/*----------------------------------------------------------------------*/
#ifdef CONFIG_HITACHI_SP19X001_Z1A
/*
* Hitachi SP19X001-. Active, color, single scan.
*/
static vidinfo_t panel_info = {
640, 480, 154, 116, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH,
LCD_COLOR8, 1, 0, 1, 0, 0, 0, 0, 0
/* wbl, vpw, lcdac, wbf */
};
#endif /* CONFIG_HITACHI_SP19X001_Z1A */
/*----------------------------------------------------------------------*/
/*----------------------------------------------------------------------*/
#ifdef CONFIG_NEC_NL6648AC33
/*
* NEC NL6648AC33-18. Active, color, single scan.
*/
static vidinfo_t panel_info = {
640, 480, 132, 99, CFG_HIGH, CFG_HIGH, CFG_LOW, CFG_LOW, CFG_HIGH,
3, 0, 0, 1, 1, 144, 2, 0, 33
/* wbl, vpw, lcdac, wbf */
};
#endif /* CONFIG_NEC_NL6648AC33 */
/*----------------------------------------------------------------------*/
#ifdef CONFIG_NEC_NL6648BC20
/*
* NEC NL6648BC20-08. 6.5", 640x480. Active, color, single scan.
*/
static vidinfo_t panel_info = {
640, 480, 132, 99, CFG_HIGH, CFG_HIGH, CFG_LOW, CFG_LOW, CFG_HIGH,
3, 0, 0, 1, 1, 144, 2, 0, 33
/* wbl, vpw, lcdac, wbf */
};
#endif /* CONFIG_NEC_NL6648BC20 */
/*----------------------------------------------------------------------*/
#ifdef CONFIG_SHARP_LQ104V7DS01
/*
* SHARP LQ104V7DS01. 6.5", 640x480. Active, color, single scan.
*/
static vidinfo_t panel_info = {
640, 480, 132, 99, CFG_HIGH, CFG_HIGH, CFG_LOW, CFG_LOW, CFG_LOW,
3, 0, 0, 1, 1, 25, 1, 0, 33
/* wbl, vpw, lcdac, wbf */
};
#endif /* CONFIG_SHARP_LQ104V7DS01 */
/*----------------------------------------------------------------------*/
#ifdef CONFIG_SHARP_16x9
/*
* Sharp 320x240. Active, color, single scan. It isn't 16x9, and I am
* not sure what it is.......
*/
static vidinfo_t panel_info = {
320, 240, 0, 0, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH,
3, 0, 0, 1, 1, 15, 4, 0, 3
};
#endif /* CONFIG_SHARP_16x9 */
/*----------------------------------------------------------------------*/
#ifdef CONFIG_SHARP_LQ057Q3DC02
/*
* Sharp LQ057Q3DC02 display. Active, color, single scan.
*/
#define LCD_DF 12
static vidinfo_t panel_info = {
320, 240, 0, 0, CFG_HIGH, CFG_HIGH, CFG_LOW, CFG_LOW, CFG_HIGH,
3, 0, 0, 1, 1, 15, 4, 0, 3
/* wbl, vpw, lcdac, wbf */
};
#define LCD_INFO_BELOW_LOGO
#endif /* CONFIG_SHARP_LQ057Q3DC02 */
/*----------------------------------------------------------------------*/
#ifdef CONFIG_SHARP_LQ64D341
/*
* Sharp LQ64D341 display, 640x480. Active, color, single scan.
*/
static vidinfo_t panel_info = {
640, 480, 0, 0, CFG_HIGH, CFG_HIGH, CFG_LOW, CFG_LOW, CFG_HIGH,
3, 0, 0, 1, 1, 128, 16, 0, 32
/* wbl, vpw, lcdac, wbf */
};
#endif /* CONFIG_SHARP_LQ64D341 */
#ifdef CONFIG_SHARP_LQ084V1DG21
/*
* Sharp LQ084V1DG21 display, 640x480. Active, color, single scan.
*/
static vidinfo_t panel_info = {
640, 480, 171, 129, CFG_HIGH, CFG_HIGH, CFG_LOW, CFG_LOW, CFG_LOW,
3, 0, 0, 1, 1, 160, 3, 0, 48
/* wbl, vpw, lcdac, wbf */
};
#endif /* CONFIG_SHARP_LQ084V1DG21 */
/*----------------------------------------------------------------------*/
#ifdef CONFIG_HLD1045
/*
* HLD1045 display, 640x480. Active, color, single scan.
*/
static vidinfo_t panel_info = {
640, 480, 0, 0, CFG_HIGH, CFG_HIGH, CFG_LOW, CFG_LOW, CFG_HIGH,
3, 0, 0, 1, 1, 160, 3, 0, 48
/* wbl, vpw, lcdac, wbf */
};
#endif /* CONFIG_HLD1045 */
/*----------------------------------------------------------------------*/
#ifdef CONFIG_PRIMEVIEW_V16C6448AC
/*
* Prime View V16C6448AC
*/
static vidinfo_t panel_info = {
640, 480, 130, 98, CFG_HIGH, CFG_HIGH, CFG_LOW, CFG_LOW, CFG_HIGH,
3, 0, 0, 1, 1, 144, 2, 0, 35
/* wbl, vpw, lcdac, wbf */
};
#endif /* CONFIG_PRIMEVIEW_V16C6448AC */
/*----------------------------------------------------------------------*/
#ifdef CONFIG_OPTREX_BW
/*
* Optrex CBL50840-2 NF-FW 99 22 M5
* or
* Hitachi LMG6912RPFC-00T
* or
* Hitachi SP14Q002
*
* 320x240. Black & white.
*/
#define OPTREX_BPP 0 /* 0 - monochrome, 1 bpp */
/* 1 - 4 grey levels, 2 bpp */
/* 2 - 16 grey levels, 4 bpp */
static vidinfo_t panel_info = {
320, 240, 0, 0, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_LOW,
OPTREX_BPP, 0, 0, 0, 0, 0, 0, 0, 0, 4
};
#endif /* CONFIG_OPTREX_BW */
/*-----------------------------------------------------------------*/
#ifdef CONFIG_EDT32F10
/*
* Emerging Display Technologies 320x240. Passive, monochrome, single scan.
*/
#define LCD_BPP LCD_MONOCHROME
#define LCD_DF 10
static vidinfo_t panel_info = {
320, 240, 0, 0, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_LOW,
LCD_BPP, 0, 0, 0, 0, 33, 0, 0, 0
};
#endif
/*----------------------------------------------------------------------*/
#if defined(LCD_INFO_BELOW_LOGO)
# define LCD_INFO_X 0
# define LCD_INFO_Y (BMP_LOGO_HEIGHT + VIDEO_FONT_HEIGHT)
#elif defined(CONFIG_LCD_LOGO)
# define LCD_INFO_X (BMP_LOGO_WIDTH + 4 * VIDEO_FONT_WIDTH)
# define LCD_INFO_Y (VIDEO_FONT_HEIGHT)
#else
# define LCD_INFO_X (VIDEO_FONT_WIDTH)
# define LCD_INFO_Y (VIDEO_FONT_HEIGHT)
#endif
#ifndef LCD_BPP
#define LCD_BPP LCD_COLOR8
#endif
#ifndef LCD_DF
#define LCD_DF 1
#endif
#define NBITS(bit_code) (1 << (bit_code))
#define NCOLORS(bit_code) (1 << NBITS(bit_code))
static int lcd_line_length;
static int lcd_color_fg;
static int lcd_color_bg;
char lcd_is_enabled = 0; /* Indicate that LCD is enabled */
/*
* Frame buffer memory information
*/
static void *lcd_base; /* Start of framebuffer memory */
static void *lcd_console_address; /* Start of console buffer */
/************************************************************************/
/* ** CONSOLE CONSTANTS */
/************************************************************************/
#if LCD_BPP == LCD_MONOCHROME
/*
* Simple color definitions
*/
#define CONSOLE_COLOR_BLACK 0
#define CONSOLE_COLOR_WHITE 1 /* Must remain last / highest */
#else
/*
* Simple color definitions
*/
#define CONSOLE_COLOR_BLACK 0
#define CONSOLE_COLOR_RED 1
#define CONSOLE_COLOR_GREEN 2
#define CONSOLE_COLOR_YELLOW 3
#define CONSOLE_COLOR_BLUE 4
#define CONSOLE_COLOR_MAGENTA 5
#define CONSOLE_COLOR_CYAN 6
#define CONSOLE_COLOR_GREY 14
#define CONSOLE_COLOR_WHITE 15 /* Must remain last / highest */
#endif
#if defined(CONFIG_LCD_LOGO) && (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET)
#error Default Color Map overlaps with Logo Color Map
#endif
/************************************************************************/
#ifndef PAGE_SIZE
#define PAGE_SIZE 4096
#endif
/************************************************************************/
/* ** CONSOLE DEFINITIONS & FUNCTIONS */
/************************************************************************/
#if defined(CONFIG_LCD_LOGO) && !defined(LCD_INFO_BELOW_LOGO)
#define CONSOLE_ROWS ((panel_info.vl_row-BMP_LOGO_HEIGHT) \
/ VIDEO_FONT_HEIGHT)
#else
#define CONSOLE_ROWS (panel_info.vl_row / VIDEO_FONT_HEIGHT)
#endif
#define CONSOLE_COLS (panel_info.vl_col / VIDEO_FONT_WIDTH)
#define CONSOLE_ROW_SIZE (VIDEO_FONT_HEIGHT * lcd_line_length)
#define CONSOLE_ROW_FIRST (lcd_console_address)
#define CONSOLE_ROW_SECOND (lcd_console_address + CONSOLE_ROW_SIZE)
#define CONSOLE_ROW_LAST (lcd_console_address + CONSOLE_SIZE \
- CONSOLE_ROW_SIZE)
#define CONSOLE_SIZE (CONSOLE_ROW_SIZE * CONSOLE_ROWS)
#define CONSOLE_SCROLL_SIZE (CONSOLE_SIZE - CONSOLE_ROW_SIZE)
#if LCD_BPP == LCD_MONOCHROME
#define COLOR_MASK(c) ((c) | (c) << 1 | (c) << 2 | (c) << 3 | \
(c) << 4 | (c) << 5 | (c) << 6 | (c) << 7)
#elif LCD_BPP == LCD_COLOR8
#define COLOR_MASK(c) (c)
#else
#error Unsupported LCD BPP.
#endif
static short console_col;
static short console_row;
/************************************************************************/
ulong lcd_setmem (ulong addr);
static void lcd_drawchars (ushort x, ushort y, uchar *str, int count);
static inline void lcd_puts_xy (ushort x, ushort y, uchar *s);
static inline void lcd_putc_xy (ushort x, ushort y, uchar c);
int lcd_init (void *lcdbase);
static void lcd_ctrl_init (void *lcdbase);
static void lcd_enable (void);
static void *lcd_logo (void);
#if LCD_BPP == LCD_COLOR8
static void lcd_setcolreg (ushort regno,
ushort red, ushort green, ushort blue);
#endif
#if LCD_BPP == LCD_MONOCHROME
static void lcd_initcolregs (void);
#endif
static int lcd_getbgcolor (void);
static void lcd_setfgcolor (int color);
static void lcd_setbgcolor (int color);
#if defined(CONFIG_RBC823)
void lcd_disable (void);
#endif
#ifdef NOT_USED_SO_FAR
static void lcd_getcolreg (ushort regno,
ushort *red, ushort *green, ushort *blue);
static int lcd_getfgcolor (void);
#endif /* NOT_USED_SO_FAR */
/************************************************************************/
/*----------------------------------------------------------------------*/
static void console_scrollup (void)
{
#if 1
/* Copy up rows ignoring the first one */
memcpy (CONSOLE_ROW_FIRST, CONSOLE_ROW_SECOND, CONSOLE_SCROLL_SIZE);
/* Clear the last one */
memset (CONSOLE_ROW_LAST, COLOR_MASK(lcd_color_bg), CONSOLE_ROW_SIZE);
#else
/*
* Poor attempt to optimize speed by moving "long"s.
* But the code is ugly, and not a bit faster :-(
*/
ulong *t = (ulong *)CONSOLE_ROW_FIRST;
ulong *s = (ulong *)CONSOLE_ROW_SECOND;
ulong l = CONSOLE_SCROLL_SIZE / sizeof(ulong);
uchar c = lcd_color_bg & 0xFF;
ulong val= (c<<24) | (c<<16) | (c<<8) | c;
while (l--)
*t++ = *s++;
t = (ulong *)CONSOLE_ROW_LAST;
l = CONSOLE_ROW_SIZE / sizeof(ulong);
while (l-- > 0)
*t++ = val;
#endif
}
/*----------------------------------------------------------------------*/
static inline void console_back (void)
{
if (--console_col < 0) {
console_col = CONSOLE_COLS-1 ;
if (--console_row < 0) {
console_row = 0;
}
}
lcd_putc_xy (console_col * VIDEO_FONT_WIDTH,
console_row * VIDEO_FONT_HEIGHT,
' ');
}
/*----------------------------------------------------------------------*/
static inline void console_newline (void)
{
++console_row;
console_col = 0;
/* Check if we need to scroll the terminal */
if (console_row >= CONSOLE_ROWS) {
/* Scroll everything up */
console_scrollup () ;
--console_row;
}
}
/*----------------------------------------------------------------------*/
void lcd_putc (const char c)
{
if (!lcd_is_enabled) {
serial_putc(c);
return;
}
switch (c) {
case '\r': console_col = 0;
return;
case '\n': console_newline();
return;
case '\t': /* Tab (8 chars alignment) */
console_col |= 8;
console_col &= ~7;
if (console_col >= CONSOLE_COLS) {
console_newline();
}
return;
case '\b': console_back();
return;
default: lcd_putc_xy (console_col * VIDEO_FONT_WIDTH,
console_row * VIDEO_FONT_HEIGHT,
c);
if (++console_col >= CONSOLE_COLS) {
console_newline();
}
return;
}
/* NOTREACHED */
}
/*----------------------------------------------------------------------*/
void lcd_puts (const char *s)
{
if (!lcd_is_enabled) {
serial_puts (s);
return;
}
while (*s) {
lcd_putc (*s++);
}
}
/************************************************************************/
/* ** Low-Level Graphics Routines */
/************************************************************************/
static void lcd_drawchars (ushort x, ushort y, uchar *str, int count)
{
uchar *dest;
ushort off, row;
dest = (uchar *)(lcd_base + y * lcd_line_length + x * (1 << LCD_BPP) / 8);
off = x * (1 << LCD_BPP) % 8;
for (row=0; row < VIDEO_FONT_HEIGHT; ++row, dest += lcd_line_length) {
uchar *s = str;
uchar *d = dest;
int i;
#if LCD_BPP == LCD_MONOCHROME
uchar rest = *d & -(1 << (8-off));
uchar sym;
#endif
for (i=0; i<count; ++i) {
uchar c, bits;
c = *s++;
bits = video_fontdata[c * VIDEO_FONT_HEIGHT + row];
#if LCD_BPP == LCD_MONOCHROME
sym = (COLOR_MASK(lcd_color_fg) & bits) |
(COLOR_MASK(lcd_color_bg) & ~bits);
*d++ = rest | (sym >> off);
rest = sym << (8-off);
#elif LCD_BPP == LCD_COLOR8
for (c=0; c<8; ++c) {
*d++ = (bits & 0x80) ?
lcd_color_fg : lcd_color_bg;
bits <<= 1;
}
#endif
}
#if LCD_BPP == LCD_MONOCHROME
*d = rest | (*d & ((1 << (8-off)) - 1));
#endif
}
}
/*----------------------------------------------------------------------*/
static inline void lcd_puts_xy (ushort x, ushort y, uchar *s)
{
#if defined(CONFIG_LCD_LOGO) && !defined(LCD_INFO_BELOW_LOGO)
lcd_drawchars (x, y+BMP_LOGO_HEIGHT, s, strlen (s));
#else
lcd_drawchars (x, y, s, strlen (s));
#endif
}
/*----------------------------------------------------------------------*/
static inline void lcd_putc_xy (ushort x, ushort y, uchar c)
{
#if defined(CONFIG_LCD_LOGO) && !defined(LCD_INFO_BELOW_LOGO)
lcd_drawchars (x, y+BMP_LOGO_HEIGHT, &c, 1);
#else
lcd_drawchars (x, y, &c, 1);
#endif
}
/************************************************************************/
/** Small utility to check that you got the colours right */
/************************************************************************/
#ifdef LCD_TEST_PATTERN
#define N_BLK_VERT 2
#define N_BLK_HOR 3
static int test_colors[N_BLK_HOR*N_BLK_VERT] = {
CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW,
CONSOLE_COLOR_BLUE, CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN,
};
static void test_pattern (void)
{
ushort v_max = panel_info.vl_row;
ushort h_max = panel_info.vl_col;
ushort v_step = (v_max + N_BLK_VERT - 1) / N_BLK_VERT;
ushort h_step = (h_max + N_BLK_HOR - 1) / N_BLK_HOR;
ushort v, h;
uchar *pix = (uchar *)lcd_base;
printf ("[LCD] Test Pattern: %d x %d [%d x %d]\n",
h_max, v_max, h_step, v_step);
/* WARNING: Code silently assumes 8bit/pixel */
for (v=0; v<v_max; ++v) {
uchar iy = v / v_step;
for (h=0; h<h_max; ++h) {
uchar ix = N_BLK_HOR * iy + (h/h_step);
*pix++ = test_colors[ix];
}
}
}
#endif /* LCD_TEST_PATTERN */
/************************************************************************/
/* ** GENERIC Initialization Routines */
/************************************************************************/
int drv_lcd_init (void)
{
DECLARE_GLOBAL_DATA_PTR;
device_t lcddev;
int rc;
lcd_base = (void *)(gd->fb_base);
lcd_line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8;
lcd_init (lcd_base); /* LCD initialization */
/* Device initialization */
memset (&lcddev, 0, sizeof (lcddev));
strcpy (lcddev.name, "lcd");
lcddev.ext = 0; /* No extensions */
lcddev.flags = DEV_FLAGS_OUTPUT; /* Output only */
lcddev.putc = lcd_putc; /* 'putc' function */
lcddev.puts = lcd_puts; /* 'puts' function */
rc = device_register (&lcddev);
return (rc == 0) ? 1 : rc;
}
/*----------------------------------------------------------------------*/
int lcd_init (void *lcdbase)
{
/* Initialize the lcd controller */
debug ("[LCD] Initializing LCD frambuffer at %p\n", lcdbase);
lcd_ctrl_init (lcdbase);
#if LCD_BPP == LCD_MONOCHROME
/* Setting the palette */
lcd_initcolregs();
#elif LCD_BPP == LCD_COLOR8
/* Setting the palette */
lcd_setcolreg (CONSOLE_COLOR_BLACK, 0, 0, 0);
lcd_setcolreg (CONSOLE_COLOR_RED, 0xFF, 0, 0);
lcd_setcolreg (CONSOLE_COLOR_GREEN, 0, 0xFF, 0);
lcd_setcolreg (CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0);
lcd_setcolreg (CONSOLE_COLOR_BLUE, 0, 0, 0xFF);
lcd_setcolreg (CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF);
lcd_setcolreg (CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF);
lcd_setcolreg (CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA);
lcd_setcolreg (CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF);
#endif
#ifndef CFG_WHITE_ON_BLACK
lcd_setfgcolor (CONSOLE_COLOR_BLACK);
lcd_setbgcolor (CONSOLE_COLOR_WHITE);
#else
lcd_setfgcolor (CONSOLE_COLOR_WHITE);
lcd_setbgcolor (CONSOLE_COLOR_BLACK);
#endif /* CFG_WHITE_ON_BLACK */
#ifdef LCD_TEST_PATTERN
test_pattern();
#else
/* set framebuffer to background color */
memset ((char *)lcd_base,
COLOR_MASK(lcd_getbgcolor()),
lcd_line_length*panel_info.vl_row);
#endif
lcd_enable ();
/* Paint the logo and retrieve LCD base address */
debug ("[LCD] Drawing the logo...\n");
lcd_console_address = lcd_logo ();
/* Initialize the console */
console_col = 0;
#ifdef LCD_INFO_BELOW_LOGO
console_row = 7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT;
#else
console_row = 1; /* leave 1 blank line below logo */
#endif
lcd_is_enabled = 1;
return 0;
}
/************************************************************************/
/* ** ROM capable initialization part - needed to reserve FB memory */
/************************************************************************/
/*
* This is called early in the system initialization to grab memory
* for the LCD controller.
* Returns new address for monitor, after reserving LCD buffer memory
*
* Note that this is running from ROM, so no write access to global data.
*/
ulong lcd_setmem (ulong addr)
{
ulong size;
int line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8;
debug ("LCD panel info: %d x %d, %d bit/pix\n",
panel_info.vl_col, panel_info.vl_row, NBITS (panel_info.vl_bpix) );
size = line_length * panel_info.vl_row;
/* Round up to nearest full page */
size = (size + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
/* Allocate pages for the frame buffer. */
addr -= size;
debug ("Reserving %ldk for LCD Framebuffer at: %08lx\n", size>>10, addr);
return (addr);
}
/************************************************************************/
/* ----------------- chipset specific functions ----------------------- */
/************************************************************************/
static void lcd_ctrl_init (void *lcdbase)
{
volatile immap_t *immr = (immap_t *) CFG_IMMR;
volatile lcd823_t *lcdp = &immr->im_lcd;
uint lccrtmp;
uint lchcr_hpc_tmp;
/* Initialize the LCD control register according to the LCD
* parameters defined. We do everything here but enable
* the controller.
*/
lccrtmp = LCDBIT (LCCR_BNUM_BIT,
(((panel_info.vl_row * panel_info.vl_col) * (1 << LCD_BPP)) / 128));
lccrtmp |= LCDBIT (LCCR_CLKP_BIT, panel_info.vl_clkp) |
LCDBIT (LCCR_OEP_BIT, panel_info.vl_oep) |
LCDBIT (LCCR_HSP_BIT, panel_info.vl_hsp) |
LCDBIT (LCCR_VSP_BIT, panel_info.vl_vsp) |
LCDBIT (LCCR_DP_BIT, panel_info.vl_dp) |
LCDBIT (LCCR_BPIX_BIT, panel_info.vl_bpix) |
LCDBIT (LCCR_LBW_BIT, panel_info.vl_lbw) |
LCDBIT (LCCR_SPLT_BIT, panel_info.vl_splt) |
LCDBIT (LCCR_CLOR_BIT, panel_info.vl_clor) |
LCDBIT (LCCR_TFT_BIT, panel_info.vl_tft);
#if 0
lccrtmp |= ((SIU_LEVEL5 / 2) << 12);
lccrtmp |= LCCR_EIEN;
#endif
lcdp->lcd_lccr = lccrtmp;
lcdp->lcd_lcsr = 0xFF; /* Clear pending interrupts */
/* Initialize LCD controller bus priorities.
*/
#ifdef CONFIG_RBC823
immr->im_siu_conf.sc_sdcr = (immr->im_siu_conf.sc_sdcr & ~0x0f) | 1; /* RAID = 01, LAID = 00 */
#else
immr->im_siu_conf.sc_sdcr &= ~0x0f; /* RAID = LAID = 0 */
/* set SHFT/CLOCK division factor 4
* This needs to be set based upon display type and processor
* speed. The TFT displays run about 20 to 30 MHz.
* I was running 64 MHz processor speed.
* The value for this divider must be chosen so the result is
* an integer of the processor speed (i.e., divide by 3 with
* 64 MHz would be bad).
*/
immr->im_clkrst.car_sccr &= ~0x1F;
immr->im_clkrst.car_sccr |= LCD_DF; /* was 8 */
#endif /* CONFIG_RBC823 */
#if defined(CONFIG_RBC823)
/* Enable LCD on port D.
*/
immr->im_ioport.iop_pddat &= 0x0300;
immr->im_ioport.iop_pdpar |= 0x1CFF;
immr->im_ioport.iop_pddir |= 0x1CFF;
/* Configure LCD_ON, VEE_ON, CCFL_ON on port B.
*/
immr->im_cpm.cp_pbdat &= ~0x00005001;
immr->im_cpm.cp_pbpar &= ~0x00005001;
immr->im_cpm.cp_pbdir |= 0x00005001;
#elif !defined(CONFIG_EDT32F10)
/* Enable LCD on port D.
*/
immr->im_ioport.iop_pdpar |= 0x1FFF;
immr->im_ioport.iop_pddir |= 0x1FFF;
/* Enable LCD_A/B/C on port B.
*/
immr->im_cpm.cp_pbpar |= 0x00005001;
immr->im_cpm.cp_pbdir |= 0x00005001;
#else
/* Enable LCD on port D.
*/
immr->im_ioport.iop_pdpar |= 0x1DFF;
immr->im_ioport.iop_pdpar &= ~0x0200;
immr->im_ioport.iop_pddir |= 0x1FFF;
immr->im_ioport.iop_pddat |= 0x0200;
#endif
/* Load the physical address of the linear frame buffer
* into the LCD controller.
* BIG NOTE: This has to be modified to load A and B depending
* upon the split mode of the LCD.
*/
lcdp->lcd_lcfaa = (ulong)lcd_base;
lcdp->lcd_lcfba = (ulong)lcd_base;
/* MORE HACKS...This must be updated according to 823 manual
* for different panels.
* Udi Finkelstein - done - see below:
* Note: You better not try unsupported combinations such as
* 4-bit wide passive dual scan LCD at 4/8 Bit color.
*/
lchcr_hpc_tmp =
(panel_info.vl_col *
(panel_info.vl_tft ? 8 :
(((2 - panel_info.vl_lbw) << /* 4 bit=2, 8-bit = 1 */
/* use << to mult by: single scan = 1, dual scan = 2 */
panel_info.vl_splt) *
(panel_info.vl_bpix | 1)))) >> 3; /* 2/4 BPP = 1, 8/16 BPP = 3 */
lcdp->lcd_lchcr = LCHCR_BO |
LCDBIT (LCHCR_AT_BIT, 4) |
LCDBIT (LCHCR_HPC_BIT, lchcr_hpc_tmp) |
panel_info.vl_wbl;
lcdp->lcd_lcvcr = LCDBIT (LCVCR_VPW_BIT, panel_info.vl_vpw) |
LCDBIT (LCVCR_LCD_AC_BIT, panel_info.vl_lcdac) |
LCDBIT (LCVCR_VPC_BIT, panel_info.vl_row) |
panel_info.vl_wbf;
}
/*----------------------------------------------------------------------*/
#ifdef NOT_USED_SO_FAR
static void
lcd_getcolreg (ushort regno, ushort *red, ushort *green, ushort *blue)
{
volatile immap_t *immr = (immap_t *) CFG_IMMR;
volatile cpm8xx_t *cp = &(immr->im_cpm);
unsigned short colreg, *cmap_ptr;
cmap_ptr = (unsigned short *)&cp->lcd_cmap[regno * 2];
colreg = *cmap_ptr;
#ifdef CFG_INVERT_COLORS
colreg ^= 0x0FFF;
#endif
*red = (colreg >> 8) & 0x0F;
*green = (colreg >> 4) & 0x0F;
*blue = colreg & 0x0F;
}
#endif /* NOT_USED_SO_FAR */
/*----------------------------------------------------------------------*/
#if LCD_BPP == LCD_COLOR8
static void
lcd_setcolreg (ushort regno, ushort red, ushort green, ushort blue)
{
volatile immap_t *immr = (immap_t *) CFG_IMMR;
volatile cpm8xx_t *cp = &(immr->im_cpm);
unsigned short colreg, *cmap_ptr;
cmap_ptr = (unsigned short *)&cp->lcd_cmap[regno * 2];
colreg = ((red & 0x0F) << 8) |
((green & 0x0F) << 4) |
(blue & 0x0F) ;
#ifdef CFG_INVERT_COLORS
colreg ^= 0x0FFF;
#endif
*cmap_ptr = colreg;
debug ("setcolreg: reg %2d @ %p: R=%02X G=%02X B=%02X => %02X%02X\n",
regno, &(cp->lcd_cmap[regno * 2]),
red, green, blue,
cp->lcd_cmap[ regno * 2 ], cp->lcd_cmap[(regno * 2) + 1]);
}
#endif /* LCD_COLOR8 */
/*----------------------------------------------------------------------*/
#if LCD_BPP == LCD_MONOCHROME
static
void lcd_initcolregs (void)
{
volatile immap_t *immr = (immap_t *) CFG_IMMR;
volatile cpm8xx_t *cp = &(immr->im_cpm);
ushort regno;
for (regno = 0; regno < 16; regno++) {
cp->lcd_cmap[regno * 2] = 0;
cp->lcd_cmap[(regno * 2) + 1] = regno & 0x0f;
}
}
#endif
/*----------------------------------------------------------------------*/
static void lcd_setfgcolor (int color)
{
lcd_color_fg = color & 0x0F;
}
/*----------------------------------------------------------------------*/
static void lcd_setbgcolor (int color)
{
lcd_color_bg = color & 0x0F;
}
/*----------------------------------------------------------------------*/
#ifdef NOT_USED_SO_FAR
static int lcd_getfgcolor (void)
{
return lcd_color_fg;
}
#endif /* NOT_USED_SO_FAR */
/*----------------------------------------------------------------------*/
static int lcd_getbgcolor (void)
{
return lcd_color_bg;
}
/*----------------------------------------------------------------------*/
static void lcd_enable (void)
{
volatile immap_t *immr = (immap_t *) CFG_IMMR;
volatile lcd823_t *lcdp = &immr->im_lcd;
/* Enable the LCD panel */
#ifndef CONFIG_RBC823
immr->im_siu_conf.sc_sdcr |= (1 << (31 - 25)); /* LAM = 1 */
#endif
lcdp->lcd_lccr |= LCCR_PON;
#ifdef CONFIG_V37
/* Turn on display backlight */
immr->im_cpm.cp_pbpar |= 0x00008000;
immr->im_cpm.cp_pbdir |= 0x00008000;
#elif defined(CONFIG_RBC823)
/* Turn on display backlight */
immr->im_cpm.cp_pbdat |= 0x00004000;
#endif
#if defined(CONFIG_LWMON)
{ uchar c = pic_read (0x60);
#if defined(CONFIG_LCD) && defined(CONFIG_LWMON) && (CONFIG_POST & CFG_POST_SYSMON)
c |= 0x04; /* Chip Enable LCD */
#else
c |= 0x07; /* Power on CCFL, Enable CCFL, Chip Enable LCD */
#endif
pic_write (0x60, c);
}
#endif /* CONFIG_LWMON */
#if defined(CONFIG_R360MPI)
{
extern void r360_i2c_lcd_write (uchar data0, uchar data1);
unsigned long bgi, ctr;
char *p;
if ((p = getenv("lcdbgi")) != NULL) {
bgi = simple_strtoul (p, 0, 10) & 0xFFF;
} else {
bgi = 0xFFF;
}
if ((p = getenv("lcdctr")) != NULL) {
ctr = simple_strtoul (p, 0, 10) & 0xFFF;
} else {
ctr=0x7FF;
}
r360_i2c_lcd_write(0x10, 0x01);
r360_i2c_lcd_write(0x20, 0x01);
r360_i2c_lcd_write(0x30 | ((bgi>>8) & 0xF), bgi & 0xFF);
r360_i2c_lcd_write(0x40 | ((ctr>>8) & 0xF), ctr & 0xFF);
}
#endif /* CONFIG_R360MPI */
#ifdef CONFIG_RBC823
udelay(200000); /* wait 200ms */
/* Turn VEE_ON first */
immr->im_cpm.cp_pbdat |= 0x00000001;
udelay(200000); /* wait 200ms */
/* Now turn on LCD_ON */
immr->im_cpm.cp_pbdat |= 0x00001000;
#endif
#ifdef CONFIG_RRVISION
debug ("PC4->Output(1): enable LVDS\n");
debug ("PC5->Output(0): disable PAL clock\n");
immr->im_ioport.iop_pddir |= 0x1000;
immr->im_ioport.iop_pcpar &= ~(0x0C00);
immr->im_ioport.iop_pcdir |= 0x0C00 ;
immr->im_ioport.iop_pcdat |= 0x0800 ;
immr->im_ioport.iop_pcdat &= ~(0x0400);
debug ("PDPAR=0x%04X PDDIR=0x%04X PDDAT=0x%04X\n",
immr->im_ioport.iop_pdpar,
immr->im_ioport.iop_pddir,
immr->im_ioport.iop_pddat);
debug ("PCPAR=0x%04X PCDIR=0x%04X PCDAT=0x%04X\n",
immr->im_ioport.iop_pcpar,
immr->im_ioport.iop_pcdir,
immr->im_ioport.iop_pcdat);
#endif
}
/*----------------------------------------------------------------------*/
#if defined (CONFIG_RBC823)
void lcd_disable (void)
{
volatile immap_t *immr = (immap_t *) CFG_IMMR;
volatile lcd823_t *lcdp = &immr->im_lcd;
#if defined(CONFIG_LWMON)
{ uchar c = pic_read (0x60);
c &= ~0x07; /* Power off CCFL, Disable CCFL, Chip Disable LCD */
pic_write (0x60, c);
}
#elif defined(CONFIG_R360MPI)
{
extern void r360_i2c_lcd_write (uchar data0, uchar data1);
r360_i2c_lcd_write(0x10, 0x00);
r360_i2c_lcd_write(0x20, 0x00);
r360_i2c_lcd_write(0x30, 0x00);
r360_i2c_lcd_write(0x40, 0x00);
}
#endif /* CONFIG_LWMON */
/* Disable the LCD panel */
lcdp->lcd_lccr &= ~LCCR_PON;
#ifdef CONFIG_RBC823
/* Turn off display backlight, VEE and LCD_ON */
immr->im_cpm.cp_pbdat &= ~0x00005001;
#else
immr->im_siu_conf.sc_sdcr &= ~(1 << (31 - 25)); /* LAM = 0 */
#endif /* CONFIG_RBC823 */
}
#endif /* NOT_USED_SO_FAR || CONFIG_RBC823 */
/************************************************************************/
/* ** Chipset depending Bitmap / Logo stuff... */
/************************************************************************/
#ifdef CONFIG_LCD_LOGO
static void bitmap_plot (int x, int y)
{
volatile immap_t *immr = (immap_t *) CFG_IMMR;
volatile cpm8xx_t *cp = &(immr->im_cpm);
ushort *cmap;
ushort i;
uchar *bmap;
uchar *fb;
debug ("Logo: width %d height %d colors %d cmap %d\n",
BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS,
sizeof(bmp_logo_palette)/(sizeof(ushort))
);
/* Leave room for default color map */
cmap = (ushort *)&(cp->lcd_cmap[BMP_LOGO_OFFSET*sizeof(ushort)]);
WATCHDOG_RESET();
/* Set color map */
for (i=0; i<(sizeof(bmp_logo_palette)/(sizeof(ushort))); ++i) {
ushort colreg = bmp_logo_palette[i];
#ifdef CFG_INVERT_COLORS
colreg ^= 0xFFF;
#endif
*cmap++ = colreg;
}
bmap = &bmp_logo_bitmap[0];
fb = (char *)(lcd_base + y * lcd_line_length + x);
WATCHDOG_RESET();
for (i=0; i<BMP_LOGO_HEIGHT; ++i) {
memcpy (fb, bmap, BMP_LOGO_WIDTH);
bmap += BMP_LOGO_WIDTH;
fb += panel_info.vl_col;
}
WATCHDOG_RESET();
}
#endif /* CONFIG_LCD_LOGO */
#if (CONFIG_COMMANDS & CFG_CMD_BMP)
/*
* Display the BMP file located at address bmp_image.
* Only uncompressed
*/
int lcd_display_bitmap(ulong bmp_image)
{
volatile immap_t *immr = (immap_t *) CFG_IMMR;
volatile cpm8xx_t *cp = &(immr->im_cpm);
ushort *cmap;
ushort i, j;
uchar *fb;
bmp_image_t *bmp=(bmp_image_t *)bmp_image;
uchar *bmap;
ushort padded_line;
unsigned long width, height;
unsigned colors,bpix;
unsigned long compression;
WATCHDOG_RESET();
if (!((bmp->header.signature[0]=='B') &&
(bmp->header.signature[1]=='M'))) {
printf ("Error: no valid bmp image at %lx\n", bmp_image);
return 1;
}
width = le32_to_cpu (bmp->header.width);
height = le32_to_cpu (bmp->header.height);
colors = 1<<le16_to_cpu (bmp->header.bit_count);
compression = le32_to_cpu (bmp->header.compression);
bpix = NBITS(panel_info.vl_bpix);
if ((bpix != 1) && (bpix != 8)) {
printf ("Error: %d bit/pixel mode not supported by U-Boot\n",
bpix);
return 1;
}
if (bpix != le16_to_cpu(bmp->header.bit_count)) {
printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
bpix,
le16_to_cpu(bmp->header.bit_count));
return 1;
}
if (compression!=BMP_BI_RGB) {
printf ("Error: compression type %ld not supported\n",
compression);
return 1;
}
debug ("Display-bmp: %d x %d with %d colors\n",
width, height, colors);
if (bpix==8) {
/* Fill the entire color map */
cmap = (ushort *)&(cp->lcd_cmap[255*sizeof(ushort)]);
/* Set color map */
for (i = 0; i < colors; ++i) {
bmp_color_table_entry_t cte = bmp->color_table[i];
ushort colreg =
((cte.red>>4) << 8) |
((cte.green>>4) << 4) |
(cte.blue>>4) ;
#ifdef CFG_INVERT_COLORS
colreg ^= 0xFFF;
#endif
*cmap-- = colreg;
}
WATCHDOG_RESET();
}
padded_line = (width&0x3) ? ((width&~0x3)+4) : (width);
if (width>panel_info.vl_col)
width = panel_info.vl_col;
if (height>panel_info.vl_row)
height = panel_info.vl_row;
bmap = (uchar *)bmp + le32_to_cpu (bmp->header.data_offset);
fb = (uchar *)
(lcd_base +
(((height>=panel_info.vl_row) ? panel_info.vl_row : height)-1)
* lcd_line_length);
for (i = 0; i < height; ++i) {
WATCHDOG_RESET();
for (j = 0; j < width ; j++)
*(fb++)=255-*(bmap++);
bmap += (width - padded_line);
fb -= (width + lcd_line_length);
}
return (0);
}
#endif /* (CONFIG_COMMANDS & CFG_CMD_BMP) */
/*----------------------------------------------------------------------*/
static void *lcd_logo (void)
{
#ifdef LCD_INFO
DECLARE_GLOBAL_DATA_PTR;
char info[80];
char temp[32];
#endif /* LCD_INFO */
#ifdef CONFIG_SPLASH_SCREEN
char *s;
ulong addr;
if ((s = getenv("splashimage")) != NULL) {
addr = simple_strtoul(s, NULL, 16);
if (lcd_display_bitmap (addr) == 0) {
return ((void *)lcd_base);
}
}
#endif /* CONFIG_SPLASH_SCREEN */
#ifdef CONFIG_LCD_LOGO
bitmap_plot (0, 0);
#endif /* CONFIG_LCD_LOGO */
#ifdef LCD_INFO
sprintf (info, "%s (%s - %s) ", U_BOOT_VERSION, __DATE__, __TIME__);
lcd_drawchars (LCD_INFO_X, LCD_INFO_Y, info, strlen(info));
sprintf (info, "(C) 2003 DENX Software Engineering");
lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT,
info, strlen(info));
sprintf (info, " Wolfgang DENK, wd@denx.de");
lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 2,
info, strlen(info));
#ifdef LCD_INFO_BELOW_LOGO
sprintf (info, "MPC823 CPU at %s MHz",
strmhz(temp, gd->cpu_clk));
lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 3,
info, strlen(info));
sprintf (info, " %ld MB RAM, %ld MB Flash",
gd->ram_size >> 20,
gd->bd->bi_flashsize >> 20 );
lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 4,
info, strlen(info));
#else
/* leave one blank line */
sprintf (info, "MPC823 CPU at %s MHz, %ld MB RAM, %ld MB Flash",
strmhz(temp, gd->cpu_clk),
gd->ram_size >> 20,
gd->bd->bi_flashsize >> 20 );
lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 4,
info, strlen(info));
#endif /* LCD_INFO_BELOW_LOGO */
#endif /* LCD_INFO */
#if defined(CONFIG_LCD_LOGO) && !defined(LCD_INFO_BELOW_LOGO)
return ((void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length));
#else
return ((void *)lcd_base);
#endif /* CONFIG_LCD_LOGO */
}
/************************************************************************/
/************************************************************************/
#endif /* CONFIG_LCD */
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