/*
+ * PXA LCD Controller
+ *
* (C) Copyright 2001-2002
* Wolfgang Denk, DENX Software Engineering -- wd@denx.de
*
/* ** HEADER FILES */
/************************************************************************/
-#define DEBUG 1
#include <config.h>
#include <common.h>
#include <version.h>
#include <stdarg.h>
-#include <lcdvideo.h>
#include <linux/types.h>
#include <devices.h>
+#include <lcd.h>
#include <asm/arch/pxa-regs.h>
-#ifdef CONFIG_LCD
-
-/************************************************************************/
-/* ** CONFIG STUFF -- should be moved to board config file */
-/************************************************************************/
-#ifndef CONFIG_EDT32F10
-#define CONFIG_LCD_LOGO
-#define LCD_INFO /* Display Logo, (C) and system info */
-#endif
-
-#ifdef CONFIG_V37
-#undef CONFIG_LCD_LOGO
-#undef LCD_INFO
-#endif
-
-#undef CONFIG_LCD_LOGO
+/* #define DEBUG */
-#define LCD_TEST_PATTERN
-/* #define LCD_TEST_PATTERN */ /* color backgnd for frame/color adjust */
-/* #define CFG_INVERT_COLORS */ /* Not needed - adjust vl_dp instead */
-/************************************************************************/
-
-/************************************************************************/
-/* ** FONT AND LOGO DATA */
-/************************************************************************/
-
-#include <video_font.h> /* Get font data, width and height */
-
-#ifdef CONFIG_LCD_LOGO
-# include <bmp_nexus.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 */
-
-/* PXA LCD DMA descriptor */
-struct pxafb_dma_descriptor {
- u_long fdadr;
- u_long fsadr;
- u_long fidr;
- u_long ldcmd;
-};
-
-/* PXA LCD info */
-struct pxafb_info {
-
- /* Misc registers */
- u_long reg_lccr3;
- u_long reg_lccr2;
- u_long reg_lccr1;
- u_long reg_lccr0;
- u_long fdadr0;
- u_long fdadr1;
-
- /* DMA descriptors */
- struct pxafb_dma_descriptor * dmadesc_fblow;
- struct pxafb_dma_descriptor * dmadesc_fbhigh;
- struct pxafb_dma_descriptor * dmadesc_palette;
-
- u_long screen; /* physical address of frame buffer */
- u_long palette; /* physical address of palette memory */
- u_int palette_size;
-};
-
-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, 4 = 16 */
- 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_hpw; /* Horz sync pulse width */
- u_char vl_blw; /* Wait before of line */
- u_char vl_elw; /* Wait end of line */
-
- /* Vertical control register.
- */
- u_char vl_vpw; /* Vertical sync pulse width */
- u_char vl_bfw; /* Wait before of frame */
- u_char vl_efw; /* Wait end of frame */
-
- u_char vl_lcdac; /* LCD AC timing */
-
- /* PXA LCD controller params
- */
- struct pxafb_info pxa;
-
-} vidinfo_t;
-
-#define LCD_MONOCHROME 0
-#define LCD_COLOR2 1
-#define LCD_COLOR4 2
-#define LCD_COLOR8 3
-#define LCD_COLOR16 4
+#ifdef CONFIG_LCD
/*----------------------------------------------------------------------*/
-#define CONFIG_PXA_VGA
-#ifdef CONFIG_PXA_VGA
/*
- * LCD outputs connected to a video DAC
+ * Define panel bpp, LCCR0, LCCR3 and panel_info video struct for
+ * your display.
*/
-#define LCD_BPP LCD_COLOR8
+#ifdef CONFIG_PXA_VGA
+/* LCD outputs connected to a video DAC */
+# define LCD_BPP LCD_COLOR8
/* you have to set lccr0 and lccr3 (including pcd) */
-#define REG_LCCR0 0x003008f8
-#define REG_LCCR3 0x0300FF01
+# define REG_LCCR0 0x003008f8
+# define REG_LCCR3 0x0300FF01
/* 640x480x16 @ 61 Hz */
-static vidinfo_t panel_info = {
- vl_col: 640,
- vl_row: 480,
- vl_width: 640,
- vl_height: 480,
- vl_clkp: CFG_HIGH,
- vl_oep: CFG_HIGH,
- vl_hsp: CFG_HIGH,
- vl_vsp: CFG_HIGH,
- vl_dp: CFG_HIGH,
- vl_bpix: LCD_BPP,
- vl_lbw: 0,
- vl_splt: 0,
- vl_clor: 0,
- vl_lcdac: 0,
- vl_tft: 1,
- vl_hpw: 40,
- vl_blw: 56,
- vl_elw: 56,
- vl_vpw: 20,
- vl_bfw: 8,
- vl_efw: 8,
+vidinfo_t panel_info = {
+ vl_col: 640,
+ vl_row: 480,
+ vl_width: 640,
+ vl_height: 480,
+ vl_clkp: CFG_HIGH,
+ vl_oep: CFG_HIGH,
+ vl_hsp: CFG_HIGH,
+ vl_vsp: CFG_HIGH,
+ vl_dp: CFG_HIGH,
+ vl_bpix: LCD_BPP,
+ vl_lbw: 0,
+ vl_splt: 0,
+ vl_clor: 0,
+ vl_tft: 1,
+ vl_hpw: 40,
+ vl_blw: 56,
+ vl_elw: 56,
+ vl_vpw: 20,
+ vl_bfw: 8,
+ vl_efw: 8,
};
#endif /* CONFIG_PXA_VIDEO */
+/*----------------------------------------------------------------------*/
#ifdef CONFIG_SHARP_LM8V31
-#define LCD_BPP LCD_COLOR8
-#define LCD_INVERT_COLORS /* Needed for colors to be correct, but why? */
+# define LCD_BPP LCD_COLOR8
+# define LCD_INVERT_COLORS /* Needed for colors to be correct, but why? */
/* you have to set lccr0 and lccr3 (including pcd) */
-#define REG_LCCR0 0x0030087C
-#define REG_LCCR3 0x0340FF08
-
-static vidinfo_t panel_info = {
- vl_col: 640,
- vl_row: 480,
- vl_width: 157,
- vl_height: 118,
- vl_clkp: CFG_HIGH,
- vl_oep: CFG_HIGH,
- vl_hsp: CFG_HIGH,
- vl_vsp: CFG_HIGH,
- vl_dp: CFG_HIGH,
- vl_bpix: LCD_BPP,
- vl_lbw: 0,
- vl_splt: 1,
- vl_clor: 1,
- vl_lcdac: 0,
- vl_tft: 0,
- vl_hpw: 1,
- vl_blw: 3,
- vl_elw: 3,
- vl_vpw: 1,
- vl_bfw: 0,
- vl_efw: 0,
+# define REG_LCCR0 0x0030087C
+# define REG_LCCR3 0x0340FF08
+
+vidinfo_t panel_info = {
+ vl_col: 640,
+ vl_row: 480,
+ vl_width: 157,
+ vl_height: 118,
+ vl_clkp: CFG_HIGH,
+ vl_oep: CFG_HIGH,
+ vl_hsp: CFG_HIGH,
+ vl_vsp: CFG_HIGH,
+ vl_dp: CFG_HIGH,
+ vl_bpix: LCD_BPP,
+ vl_lbw: 0,
+ vl_splt: 1,
+ vl_clor: 1,
+ vl_tft: 0,
+ vl_hpw: 1,
+ vl_blw: 3,
+ vl_elw: 3,
+ vl_vpw: 1,
+ vl_bfw: 0,
+ vl_efw: 0,
};
#endif /* CONFIG_SHARP_LM8V31 */
/*----------------------------------------------------------------------*/
+#ifdef CONFIG_HITACHI_SX14
+/* Hitachi SX14Q004-ZZA color STN LCD */
+#define LCD_BPP LCD_COLOR8
-/*----------------------------------------------------------------------*/
-
-#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;
-
-static 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 */
-
-#elif LCD_BPP == LCD_COLOR8
-
-/*
- * 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 */
-
-#else /* 16 bit */
-
-#define CONSOLE_COLOR_BLACK 0x0000
-#define CONSOLE_COLOR_WHITE 0xffff /* 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)
-#elif LCD_BPP == LCD_COLOR16
-#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);
-
-static 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 void lcd_setfgcolor (int color);
-static void lcd_setbgcolor (int color);
-
-#ifdef NOT_USED_SO_FAR
-static int lcd_getbgcolor (void);
-static void lcd_disable (void);
-static void lcd_getcolreg (ushort regno,
- ushort *red, ushort *green, ushort *blue);
-static int lcd_getfgcolor (void);
-#endif /* NOT_USED_SO_FAR */
-
-
-static int pxafb_init_mem(void *lcdbase, vidinfo_t *vid);
-static void pxafb_setup_gpio(vidinfo_t *vid);
-static void pxafb_enable_controller(vidinfo_t *vid);
-static int pxafb_init(vidinfo_t *vid);
-
-/************************************************************************/
-
-/*----------------------------------------------------------------------*/
-
-static void console_scrollup (void)
-{
- /* 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);
-}
-
-/*----------------------------------------------------------------------*/
-
-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;
- }
-#elif LCD_BPP == LCD_COLOR16
- for (c=0; c<16; ++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,
+/* you have to set lccr0 and lccr3 (including pcd) */
+#define REG_LCCR0 0x00301079
+#define REG_LCCR3 0x0340FF20
+
+vidinfo_t panel_info = {
+ vl_col: 320,
+ vl_row: 240,
+ vl_width: 167,
+ vl_height: 109,
+ vl_clkp: CFG_HIGH,
+ vl_oep: CFG_HIGH,
+ vl_hsp: CFG_HIGH,
+ vl_vsp: CFG_HIGH,
+ vl_dp: CFG_HIGH,
+ vl_bpix: LCD_BPP,
+ vl_lbw: 1,
+ vl_splt: 0,
+ vl_clor: 1,
+ vl_tft: 0,
+ vl_hpw: 1,
+ vl_blw: 1,
+ vl_elw: 1,
+ vl_vpw: 7,
+ vl_bfw: 0,
+ vl_efw: 0,
};
-
-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;
-}
+#endif /* CONFIG_HITACHI_SX14 */
/*----------------------------------------------------------------------*/
-static 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);
+#if LCD_BPP == LCD_COLOR8
+void lcd_setcolreg (ushort regno, ushort red, ushort green, ushort blue);
#endif
-
-#define CFG_WHITE_ON_BLACK
-#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);
+#if LCD_BPP == LCD_MONOCHROME
+void lcd_initcolregs (void);
#endif
- lcd_enable ();
+#ifdef NOT_USED_SO_FAR
+void lcd_disable (void);
+void lcd_getcolreg (ushort regno, ushort *red, ushort *green, ushort *blue);
+#endif /* NOT_USED_SO_FAR */
- /* Paint the logo and retrieve LCD base address */
- debug ("[LCD] Drawing the logo...\n");
- lcd_console_address = lcd_logo ();
+void lcd_ctrl_init (void *lcdbase);
+void lcd_enable (void);
- /* 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;
+int lcd_line_length;
+int lcd_color_fg;
+int lcd_color_bg;
- return 0;
-}
+void *lcd_base; /* Start of framebuffer memory */
+void *lcd_console_address; /* Start of console buffer */
+short console_col;
+short console_row;
-/************************************************************************/
-/* ** ROM capable initialization part - needed to reserve FB memory */
+static int pxafb_init_mem (void *lcdbase, vidinfo_t *vid);
+static void pxafb_setup_gpio (vidinfo_t *vid);
+static void pxafb_enable_controller (vidinfo_t *vid);
+static int pxafb_init (vidinfo_t *vid);
/************************************************************************/
-/*
- * 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) );
-
- /* extra page for dma descriptors and palette */
- size = line_length * panel_info.vl_row + PAGE_SIZE;
-
- /* 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 ----------------------- */
+/* --------------- PXA chipset specific functions ------------------- */
/************************************************************************/
-static void lcd_ctrl_init (void *lcdbase)
+void lcd_ctrl_init (void *lcdbase)
{
pxafb_init_mem(lcdbase, &panel_info);
pxafb_init(&panel_info);
}
/*----------------------------------------------------------------------*/
-
-#ifdef NOT_USED_SO_FAR
-static void
+#ifdef NOT_USED_SO_FAR
+void
lcd_getcolreg (ushort regno, ushort *red, ushort *green, ushort *blue)
{
}
-#endif /* NOT_USED_SO_FAR */
+#endif /* NOT_USED_SO_FAR */
/*----------------------------------------------------------------------*/
-
#if LCD_BPP == LCD_COLOR8
-static void
+void
lcd_setcolreg (ushort regno, ushort red, ushort green, ushort blue)
{
struct pxafb_info *fbi = &panel_info.pxa;
#ifdef LCD_INVERT_COLORS
palette[regno] = ~val;
#else
- palette[regno] = ~val;
+ palette[regno] = val;
#endif
}
red, green, blue,
palette[regno]);
}
-#endif /* LCD_COLOR8 */
+#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);
+ struct pxafb_info *fbi = &panel_info.pxa;
+ cmap = (ushort *)fbi->palette;
ushort regno;
for (regno = 0; regno < 16; regno++) {
- cp->lcd_cmap[regno * 2] = 0;
- cp->lcd_cmap[(regno * 2) + 1] = regno & 0x0f;
+ cmap[regno * 2] = 0;
+ 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 */
+#endif /* LCD_MONOCHROME */
/*----------------------------------------------------------------------*/
-
-#ifdef NOT_USED_SO_FAR
-static int lcd_getbgcolor (void)
+void lcd_enable (void)
{
- return lcd_color_bg;
}
-#endif /* NOT_USED_SO_FAR */
/*----------------------------------------------------------------------*/
-
-static void lcd_enable (void)
-{
-}
-
-/*----------------------------------------------------------------------*/
-
#ifdef NOT_USED_SO_FAR
static void lcd_disable (void)
{
}
-#endif /* NOT_USED_SO_FAR */
+#endif /* NOT_USED_SO_FAR */
+/*----------------------------------------------------------------------*/
/************************************************************************/
-/* ** Chipset depending Bitmap / Logo stuff... */
+/* ** PXA255 specific routines */
/************************************************************************/
-#ifdef CONFIG_LCD_LOGO
-static void bitmap_plot (int x, int y)
-{
- ushort *cmap;
- ushort i;
- uchar *bmap;
- uchar *fb;
- struct pxafb_info *fbi = &panel_info.pxa;
-
- 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 *)fbi->palette;
-
- /* 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);
-
- for (i=0; i<BMP_LOGO_HEIGHT; ++i) {
- memcpy (fb, bmap, BMP_LOGO_WIDTH);
- bmap += BMP_LOGO_WIDTH;
- fb += panel_info.vl_col;
- }
-}
-#endif /* CONFIG_LCD_LOGO */
-
-/*----------------------------------------------------------------------*/
-
-static void *lcd_logo (void)
+/*
+ * Calculate fb size for VIDEOLFB_ATAG. Size returned contains fb,
+ * descriptors and palette areas.
+ */
+ulong calc_fbsize (void)
{
-#ifdef CONFIG_LCD_LOGO
- DECLARE_GLOBAL_DATA_PTR;
- char info[80];
- char temp[32];
+ ulong size;
+ int line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8;
- bitmap_plot (0, 0);
-#endif /* CONFIG_LCD_LOGO */
+ size = line_length * panel_info.vl_row;
+ size += PAGE_SIZE;
-#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 */
+ return size;
}
-/************************************************************************
- PXA255 specific routines
-************************************************************************/
-
-static int pxafb_init_mem(void *lcdbase, vidinfo_t *vid)
+static int pxafb_init_mem (void *lcdbase, vidinfo_t *vid)
{
u_long palette_mem_size;
struct pxafb_info *fbi = &vid->pxa;
fbi->palette_size = NBITS(vid->vl_bpix) == 8 ? 256 : 16;
palette_mem_size = fbi->palette_size * sizeof(u16);
+
debug("palette_mem_size = 0x%08lx\n", (u_long) palette_mem_size);
/* locate palette and descs at end of page following fb */
- fbi->palette = (u_long)lcdbase + fb_size + 2*PAGE_SIZE - palette_mem_size;
+ fbi->palette = (u_long)lcdbase + fb_size + PAGE_SIZE - palette_mem_size;
return 0;
}
-static void pxafb_setup_gpio(vidinfo_t *vid)
+static void pxafb_setup_gpio (vidinfo_t *vid)
{
u_long lccr0;
/* 8 bit interface */
else if (((lccr0 & LCCR0_CMS) && ((lccr0 & LCCR0_SDS) || (lccr0 & LCCR0_DPD))) ||
- (!(lccr0 & LCCR0_CMS) && !(lccr0 & LCCR0_PAS) && !(lccr0 & LCCR0_SDS)))
+ (!(lccr0 & LCCR0_CMS) && !(lccr0 & LCCR0_PAS) && !(lccr0 & LCCR0_SDS)))
{
debug("Setting GPIO for 8 bit data\n");
/* bits 58-65 */
}
}
-static void pxafb_enable_controller(vidinfo_t *vid)
+static void pxafb_enable_controller (vidinfo_t *vid)
{
debug("Enabling LCD controller\n");
debug("LCCR3 = 0x%08x\n", (unsigned int)LCCR3);
}
-static int pxafb_init(vidinfo_t *vid)
+static int pxafb_init (vidinfo_t *vid)
{
struct pxafb_info *fbi = &vid->pxa;
LCCR2_EndFrmDel(vid->vl_efw);
fbi->reg_lccr3 = REG_LCCR3 & ~(LCCR3_HSP | LCCR3_VSP);
- fbi->reg_lccr3 |=
- (vid->vl_hsp ? LCCR3_HorSnchL : LCCR3_HorSnchH)
- | (vid->vl_vsp ? LCCR3_VrtSnchL : LCCR3_VrtSnchH);
+ fbi->reg_lccr3 |= (vid->vl_hsp ? LCCR3_HorSnchL : LCCR3_HorSnchH)
+ | (vid->vl_vsp ? LCCR3_VrtSnchL : LCCR3_VrtSnchH);
/* setup dma descriptors */
projects / u-boot / blobdiff