diff options
Diffstat (limited to 'cpu/pxa')
| -rw-r--r-- | cpu/pxa/pxafb.c | 910 |
1 files changed, 146 insertions, 764 deletions
diff --git a/cpu/pxa/pxafb.c b/cpu/pxa/pxafb.c index ef60d4a..b2caa73 100644 --- a/cpu/pxa/pxafb.c +++ b/cpu/pxa/pxafb.c @@ -1,4 +1,6 @@ /* + * PXA LCD Controller + * * (C) Copyright 2001-2002 * Wolfgang Denk, DENX Software Engineering -- wd@denx.de * @@ -25,701 +27,163 @@ /* ** 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); @@ -728,18 +192,16 @@ static void lcd_ctrl_init (void *lcdbase) } /*----------------------------------------------------------------------*/ - -#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; @@ -754,7 +216,7 @@ lcd_setcolreg (ushort regno, ushort red, ushort green, ushort blue) #ifdef LCD_INVERT_COLORS palette[regno] = ~val; #else - palette[regno] = ~val; + palette[regno] = val; #endif } @@ -763,137 +225,57 @@ lcd_setcolreg (ushort regno, ushort red, ushort green, ushort blue) 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; @@ -903,14 +285,15 @@ static int pxafb_init_mem(void *lcdbase, vidinfo_t *vid) 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; @@ -935,7 +318,7 @@ static void pxafb_setup_gpio(vidinfo_t *vid) /* 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 */ @@ -967,7 +350,7 @@ static void pxafb_setup_gpio(vidinfo_t *vid) } } -static void pxafb_enable_controller(vidinfo_t *vid) +static void pxafb_enable_controller (vidinfo_t *vid) { debug("Enabling LCD controller\n"); @@ -990,7 +373,7 @@ static void pxafb_enable_controller(vidinfo_t *vid) 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; @@ -1019,9 +402,8 @@ static int pxafb_init(vidinfo_t *vid) 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 */ |