[people/ms/u-boot.git] / include / lcd.h

/*
 * MPC823 and PXA LCD Controller
 *
 * Modeled after video interface by Paolo Scaffardi
 *
 *
 * (C) Copyright 2001
 * 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
 */

#ifndef _LCD_H_
#define _LCD_H_

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;

#elif defined(CONFIG_MCC200)
typedef struct vidinfo {
	ushort	vl_col;		/* Number of columns (i.e. 160) */
	ushort	vl_row;		/* Number of rows (i.e. 100) */

	u_char	vl_bpix;	/* Bits per pixel, 0 = 1 */
} vidinfo_t;
#endif /* CONFIG_MPC823, CONFIG_PXA250 or CONFIG_MCC200 */

/* 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 defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
# include <bmp_layout.h>
# include <asm/byteorder.h>
#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(CONFIG_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 */

/************************************************************************/
#ifndef PAGE_SIZE
# define PAGE_SIZE	4096
#endif

/************************************************************************/
/* ** CONSOLE DEFINITIONS & FUNCTIONS					*/
/************************************************************************/
#if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_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_ */
Commit	Line	Data
fe8c2806	1	/*
8655b6f8	2	* MPC823 and PXA LCD Controller
fe8c2806 WD	3	*
	4	* Modeled after video interface by Paolo Scaffardi
	5	*
	6	*
	7	* (C) Copyright 2001
	8	* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
	9	*
	10	* See file CREDITS for list of people who contributed to this
	11	* project.
	12	*
	13	* This program is free software; you can redistribute it and/or
	14	* modify it under the terms of the GNU General Public License as
	15	* published by the Free Software Foundation; either version 2 of
	16	* the License, or (at your option) any later version.
	17	*
	18	* This program is distributed in the hope that it will be useful,
	19	* but WITHOUT ANY WARRANTY; without even the implied warranty of
8655b6f8	20	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
fe8c2806 WD	21	* GNU General Public License for more details.
	22	*
	23	* You should have received a copy of the GNU General Public License
	24	* along with this program; if not, write to the Free Software
	25	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	26	* MA 02111-1307 USA
	27	*/
	28
	29	#ifndef _LCD_H_
	30	#define _LCD_H_
	31
682011ff WD	32	extern char lcd_is_enabled;
682011ff WD	33
8655b6f8 WD	34	extern int lcd_line_length;
	35	extern int lcd_color_fg;
	36	extern int lcd_color_bg;
	37
	38	/*
	39	* Frame buffer memory information
	40	*/
	41	extern void lcd_base; / Start of framebuffer memory */
	42	extern void lcd_console_address; / Start of console buffer */
	43
	44	extern short console_col;
	45	extern short console_row;
	46
	47	#if defined CONFIG_MPC823
	48	/*
	49	* LCD controller stucture for MPC823 CPU
	50	*/
	51	typedef struct vidinfo {
	52	ushort vl_col; /* Number of columns (i.e. 640) */
	53	ushort vl_row; /* Number of rows (i.e. 480) */
	54	ushort vl_width; /* Width of display area in millimeters */
	55	ushort vl_height; /* Height of display area in millimeters */
	56
	57	/* LCD configuration register */
	58	u_char vl_clkp; /* Clock polarity */
	59	u_char vl_oep; /* Output Enable polarity */
	60	u_char vl_hsp; /* Horizontal Sync polarity */
	61	u_char vl_vsp; /* Vertical Sync polarity */
	62	u_char vl_dp; /* Data polarity */
	63	u_char vl_bpix; /* Bits per pixel, 0 = 1, 1 = 2, 2 = 4, 3 = 8 */
	64	u_char vl_lbw; /* LCD Bus width, 0 = 4, 1 = 8 */
	65	u_char vl_splt; /* Split display, 0 = single-scan, 1 = dual-scan */
	66	u_char vl_clor; /* Color, 0 = mono, 1 = color */
	67	u_char vl_tft; /* 0 = passive, 1 = TFT */
	68
	69	/* Horizontal control register. Timing from data sheet */
	70	ushort vl_wbl; /* Wait between lines */
	71
	72	/* Vertical control register */
	73	u_char vl_vpw; /* Vertical sync pulse width */
	74	u_char vl_lcdac; /* LCD AC timing */
	75	u_char vl_wbf; /* Wait between frames */
	76	} vidinfo_t;
	77
	78	extern vidinfo_t panel_info;
	79
	80	#elif defined CONFIG_PXA250
	81	/*
	82	* PXA LCD DMA descriptor
	83	*/
	84	struct pxafb_dma_descriptor {
	85	u_long fdadr; /* Frame descriptor address register */
	86	u_long fsadr; /* Frame source address register */
	87	u_long fidr; /* Frame ID register */
	88	u_long ldcmd; /* Command register */
	89	};
	90
	91	/*
	92	* PXA LCD info
	93	*/
	94	struct pxafb_info {
	95
	96	/* Misc registers */
	97	u_long reg_lccr3;
98	u_long reg_lccr2;
99	u_long reg_lccr1;
100	u_long reg_lccr0;
101	u_long fdadr0;
102	u_long fdadr1;
103
104	/* DMA descriptors */
105	struct pxafb_dma_descriptor * dmadesc_fblow;
106	struct pxafb_dma_descriptor * dmadesc_fbhigh;
107	struct pxafb_dma_descriptor * dmadesc_palette;
108
109	u_long screen; /* physical address of frame buffer */
110	u_long palette; /* physical address of palette memory */
111	u_int palette_size;
112	};
113
114	/*
115	* LCD controller stucture for PXA CPU
116	*/
117	typedef struct vidinfo {
118	ushort vl_col; /* Number of columns (i.e. 640) */
119	ushort vl_row; /* Number of rows (i.e. 480) */
120	ushort vl_width; /* Width of display area in millimeters */
121	ushort vl_height; /* Height of display area in millimeters */
122
123	/* LCD configuration register */
124	u_char vl_clkp; /* Clock polarity */
125	u_char vl_oep; /* Output Enable polarity */
126	u_char vl_hsp; /* Horizontal Sync polarity */
127	u_char vl_vsp; /* Vertical Sync polarity */
128	u_char vl_dp; /* Data polarity */
129	u_char vl_bpix; /* Bits per pixel, 0 = 1, 1 = 2, 2 = 4, 3 = 8, 4 = 16 */
130	u_char vl_lbw; /* LCD Bus width, 0 = 4, 1 = 8 */
131	u_char vl_splt; /* Split display, 0 = single-scan, 1 = dual-scan */
132	u_char vl_clor; /* Color, 0 = mono, 1 = color */
133	u_char vl_tft; /* 0 = passive, 1 = TFT */
134
135	/* Horizontal control register. Timing from data sheet */
136	ushort vl_hpw; /* Horz sync pulse width */
137	u_char vl_blw; /* Wait before of line */
138	u_char vl_elw; /* Wait end of line */
139
140	/* Vertical control register. */
141	u_char vl_vpw; /* Vertical sync pulse width */
142	u_char vl_bfw; /* Wait before of frame */
143	u_char vl_efw; /* Wait end of frame */
144
145	/* PXA LCD controller params */
146	struct pxafb_info pxa;
147	} vidinfo_t;
148
149	extern vidinfo_t panel_info;
150
e8143e72 WD	151	#elif defined(CONFIG_MCC200)
	152	typedef struct vidinfo {
	153	ushort vl_col; /* Number of columns (i.e. 160) */
	154	ushort vl_row; /* Number of rows (i.e. 100) */
	155
	156	u_char vl_bpix; /* Bits per pixel, 0 = 1 */
	157	} vidinfo_t;
	158	#endif /* CONFIG_MPC823, CONFIG_PXA250 or CONFIG_MCC200 */
8655b6f8	159
fe8c2806 WD	160	/* Video functions */
fe8c2806 WD	161
8655b6f8 WD	162	#if defined(CONFIG_RBC823)
	163	void lcd_disable (void);
	164	#endif
	165
	166
c3f4d17e	167	/* int lcd_init (void lcdbase); /
fe8c2806 WD	168	void lcd_putc (const char c);
	169	void lcd_puts (const char *s);
	170	void lcd_printf (const char *fmt, ...);
	171
8655b6f8 WD	172
	173	/************************************************************************/
	174	/* ** BITMAP DISPLAY SUPPORT */
	175	/************************************************************************/
639221c7	176	#if defined(CONFIG_CMD_BMP) \|\| defined(CONFIG_SPLASH_SCREEN)
8655b6f8 WD	177	# include <bmp_layout.h>
8655b6f8 WD	178	# include <asm/byteorder.h>
639221c7	179	#endif
8655b6f8	180
8655b6f8 WD	181	/*
	182	* Information about displays we are using. This is for configuring
	183	* the LCD controller and memory allocation. Someone has to know what
	184	* is connected, as we can't autodetect anything.
	185	*/
	186	#define CFG_HIGH 0 /* Pins are active high */
	187	#define CFG_LOW 1 /* Pins are active low */
	188
	189	#define LCD_MONOCHROME 0
	190	#define LCD_COLOR2 1
	191	#define LCD_COLOR4 2
	192	#define LCD_COLOR8 3
	193	#define LCD_COLOR16 4
	194
	195	/----------------------------------------------------------------------/
88804d19	196	#if defined(CONFIG_LCD_INFO_BELOW_LOGO)
8655b6f8 WD	197	# define LCD_INFO_X 0
	198	# define LCD_INFO_Y (BMP_LOGO_HEIGHT + VIDEO_FONT_HEIGHT)
	199	#elif defined(CONFIG_LCD_LOGO)
	200	# define LCD_INFO_X (BMP_LOGO_WIDTH + 4 * VIDEO_FONT_WIDTH)
	201	# define LCD_INFO_Y (VIDEO_FONT_HEIGHT)
	202	#else
	203	# define LCD_INFO_X (VIDEO_FONT_WIDTH)
	204	# define LCD_INFO_Y (VIDEO_FONT_HEIGHT)
	205	#endif
	206
	207	/* Default to 8bpp if bit depth not specified */
	208	#ifndef LCD_BPP
	209	# define LCD_BPP LCD_COLOR8
	210	#endif
	211	#ifndef LCD_DF
	212	# define LCD_DF 1
	213	#endif
	214
	215	/* Calculate nr. of bits per pixel and nr. of colors */
	216	#define NBITS(bit_code) (1 << (bit_code))
	217	#define NCOLORS(bit_code) (1 << NBITS(bit_code))
	218
	219	/************************************************************************/
	220	/* ** CONSOLE CONSTANTS */
	221	/************************************************************************/
	222	#if LCD_BPP == LCD_MONOCHROME
	223
	224	/*
	225	* Simple black/white definitions
	226	*/
	227	# define CONSOLE_COLOR_BLACK 0
	228	# define CONSOLE_COLOR_WHITE 1 /* Must remain last / highest */
	229
	230	#elif LCD_BPP == LCD_COLOR8
	231
	232	/*
	233	* 8bpp color definitions
	234	*/
	235	# define CONSOLE_COLOR_BLACK 0
	236	# define CONSOLE_COLOR_RED 1
	237	# define CONSOLE_COLOR_GREEN 2
	238	# define CONSOLE_COLOR_YELLOW 3
	239	# define CONSOLE_COLOR_BLUE 4
	240	# define CONSOLE_COLOR_MAGENTA 5
	241	# define CONSOLE_COLOR_CYAN 6
	242	# define CONSOLE_COLOR_GREY 14
	243	# define CONSOLE_COLOR_WHITE 15 /* Must remain last / highest */
	244
	245	#else
	246
	247	/*
	248	* 16bpp color definitions
	249	*/
	250	# define CONSOLE_COLOR_BLACK 0x0000
	251	# define CONSOLE_COLOR_WHITE 0xffff /* Must remain last / highest */
	252
	253	#endif /* color definitions */
	254
8655b6f8 WD	255	/************************************************************************/
	256	#ifndef PAGE_SIZE
	257	# define PAGE_SIZE 4096
	258	#endif
	259
	260	/************************************************************************/
	261	/* ** CONSOLE DEFINITIONS & FUNCTIONS */
	262	/************************************************************************/
88804d19	263	#if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
8655b6f8 WD	264	# define CONSOLE_ROWS ((panel_info.vl_row-BMP_LOGO_HEIGHT) \
	265	/ VIDEO_FONT_HEIGHT)
	266	#else
	267	# define CONSOLE_ROWS (panel_info.vl_row / VIDEO_FONT_HEIGHT)
	268	#endif
	269
	270	#define CONSOLE_COLS (panel_info.vl_col / VIDEO_FONT_WIDTH)
	271	#define CONSOLE_ROW_SIZE (VIDEO_FONT_HEIGHT * lcd_line_length)
	272	#define CONSOLE_ROW_FIRST (lcd_console_address)
	273	#define CONSOLE_ROW_SECOND (lcd_console_address + CONSOLE_ROW_SIZE)
	274	#define CONSOLE_ROW_LAST (lcd_console_address + CONSOLE_SIZE \
	275	- CONSOLE_ROW_SIZE)
	276	#define CONSOLE_SIZE (CONSOLE_ROW_SIZE * CONSOLE_ROWS)
	277	#define CONSOLE_SCROLL_SIZE (CONSOLE_SIZE - CONSOLE_ROW_SIZE)
	278
	279	#if LCD_BPP == LCD_MONOCHROME
	280	# define COLOR_MASK(c) ((c) \| (c) << 1 \| (c) << 2 \| (c) << 3 \| \
	281	(c) << 4 \| (c) << 5 \| (c) << 6 \| (c) << 7)
	282	#elif LCD_BPP == LCD_COLOR8
	283	# define COLOR_MASK(c) (c)
	284	#else
	285	# error Unsupported LCD BPP.
	286	#endif
	287
	288	/************************************************************************/
	289
	290	#endif /* _LCD_H_ */