* Clean up tools/bmp_logo.c to not add trailing white space

* Patch by Hinko Kocevar, 21 Aug 2004:
  - Group common framebuffer functions in common/lcd.c
  - Group common framebuffer macros and #defines in include/lcd.h
  - Provide calc_fbsize() for video ATAG

1 files changed, 255 insertions, 6 deletions

diff --git a/include/lcd.h b/include/lcd.h
index e0e2184..06feab3 100644
--- a/include/lcd.h
+++ b/include/lcd.h
@@ -1,5 +1,5 @@
 /*
- * MPC823 LCD Controller
+ * MPC823 and PXA LCD Controller
  *
  * Modeled after video interface by Paolo Scaffardi
  *
@@ -17,7 +17,7 @@
  *
  * 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
+ * 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
@@ -29,17 +29,266 @@
 #ifndef _LCD_H_
 #define _LCD_H_
 
-#if defined(CONFIG_RBC823)
-void	lcd_disable (void);
-#endif
-
 extern char lcd_is_enabled;
 
+extern int lcd_line_length;
+extern int lcd_color_fg;
+extern int lcd_color_bg;
+
+/*
+ * Frame buffer memory information
+ */
+extern void *lcd_base;		/* Start of framebuffer memory	*/
+extern void *lcd_console_address;	/* Start of console buffer	*/
+
+extern short console_col;
+extern short console_row;
+
+#if defined CONFIG_MPC823
+/*
+ * LCD controller stucture for MPC823 CPU
+ */
+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;
+
+extern vidinfo_t panel_info;
+
+#elif defined CONFIG_PXA250
+/*
+ * PXA LCD DMA descriptor
+ */
+struct pxafb_dma_descriptor {
+	u_long	fdadr;		/* Frame descriptor address register */
+	u_long	fsadr;		/* Frame source address register */
+	u_long	fidr;		/* Frame ID register */
+	u_long	ldcmd;		/* Command register */
+};
+
+/*
+ * 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;
+};
+
+/*
+ * LCD controller stucture for PXA CPU
+ */
+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 */
+
+	/* PXA LCD controller params */
+	struct	pxafb_info pxa;
+} vidinfo_t;
+
+extern vidinfo_t panel_info;
+
+#endif /* CONFIG_MPC823 or CONFIG_PXA250 */
+
 /* Video functions */
 
+#if defined(CONFIG_RBC823)
+void	lcd_disable	(void);
+#endif
+
+
 /* int	lcd_init	(void *lcdbase); */
 void	lcd_putc	(const char c);
 void	lcd_puts	(const char *s);
 void	lcd_printf	(const char *fmt, ...);
 
+
+/************************************************************************/
+/* ** BITMAP DISPLAY SUPPORT						*/
+/************************************************************************/
+#if (CONFIG_COMMANDS & CFG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
+# include <bmp_layout.h>
+# include <asm/byteorder.h>
+#endif /* (CONFIG_COMMANDS & CFG_CMD_BMP) || CONFIG_SPLASH_SCREEN */
+
+/************************************************************************/
+/* ** LOGO DATA								*/
+/************************************************************************/
+#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			*/
+
+#define LCD_MONOCHROME	0
+#define LCD_COLOR2	1
+#define LCD_COLOR4	2
+#define LCD_COLOR8	3
+#define LCD_COLOR16	4
+
+/*----------------------------------------------------------------------*/
+#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
+
+/* Default to 8bpp if bit depth not specified */
+#ifndef LCD_BPP
+# define LCD_BPP			LCD_COLOR8
+#endif
+#ifndef LCD_DF
+# define LCD_DF			1
+#endif
+
+/* Calculate nr. of bits per pixel  and nr. of colors */
+#define NBITS(bit_code)		(1 << (bit_code))
+#define NCOLORS(bit_code)	(1 << NBITS(bit_code))
+
+/************************************************************************/
+/* ** CONSOLE CONSTANTS							*/
+/************************************************************************/
+#if LCD_BPP == LCD_MONOCHROME
+
+/*
+ * Simple black/white definitions
+ */
+# define CONSOLE_COLOR_BLACK	0
+# define CONSOLE_COLOR_WHITE	1	/* Must remain last / highest	*/
+
+#elif LCD_BPP == LCD_COLOR8
+
+/*
+ * 8bpp 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
+
+/*
+ * 16bpp color definitions
+ */
+# define CONSOLE_COLOR_BLACK	0x0000
+# define CONSOLE_COLOR_WHITE	0xffff	/* Must remain last / highest	*/
+
+#endif /* color definitions */
+
+#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
+
+/************************************************************************/
+
+#endif	/* _LCD_H_ */