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wdenkfe8c2802002-11-03 00:38:21 +00001/*
wdenk8655b6f2004-10-09 23:25:58 +00002 * MPC823 and PXA LCD Controller
wdenkfe8c2802002-11-03 00:38:21 +00003 *
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
wdenk8655b6f2004-10-09 23:25:58 +000020 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
wdenkfe8c2802002-11-03 00:38:21 +000021 * 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
wdenk682011f2003-06-03 23:54:09 +000032extern char lcd_is_enabled;
33
wdenk8655b6f2004-10-09 23:25:58 +000034extern int lcd_line_length;
35extern int lcd_color_fg;
36extern int lcd_color_bg;
37
38/*
39 * Frame buffer memory information
40 */
41extern void *lcd_base; /* Start of framebuffer memory */
42extern void *lcd_console_address; /* Start of console buffer */
43
44extern short console_col;
45extern short console_row;
Alessandro Rubini61117222009-07-19 17:52:27 +020046extern struct vidinfo panel_info;
47
48extern void lcd_ctrl_init (void *lcdbase);
49extern void lcd_enable (void);
50
51/* setcolreg used in 8bpp/16bpp; initcolregs used in monochrome */
52extern void lcd_setcolreg (ushort regno,
53 ushort red, ushort green, ushort blue);
54extern void lcd_initcolregs (void);
55
56/* gunzip_bmp used if CONFIG_VIDEO_BMP_GZIP */
57extern struct bmp_image *gunzip_bmp(unsigned long addr, unsigned long *lenp);
wdenk8655b6f2004-10-09 23:25:58 +000058
59#if defined CONFIG_MPC823
60/*
61 * LCD controller stucture for MPC823 CPU
62 */
63typedef struct vidinfo {
64 ushort vl_col; /* Number of columns (i.e. 640) */
65 ushort vl_row; /* Number of rows (i.e. 480) */
66 ushort vl_width; /* Width of display area in millimeters */
67 ushort vl_height; /* Height of display area in millimeters */
68
69 /* LCD configuration register */
70 u_char vl_clkp; /* Clock polarity */
71 u_char vl_oep; /* Output Enable polarity */
72 u_char vl_hsp; /* Horizontal Sync polarity */
73 u_char vl_vsp; /* Vertical Sync polarity */
74 u_char vl_dp; /* Data polarity */
75 u_char vl_bpix; /* Bits per pixel, 0 = 1, 1 = 2, 2 = 4, 3 = 8 */
76 u_char vl_lbw; /* LCD Bus width, 0 = 4, 1 = 8 */
77 u_char vl_splt; /* Split display, 0 = single-scan, 1 = dual-scan */
78 u_char vl_clor; /* Color, 0 = mono, 1 = color */
79 u_char vl_tft; /* 0 = passive, 1 = TFT */
80
81 /* Horizontal control register. Timing from data sheet */
82 ushort vl_wbl; /* Wait between lines */
83
84 /* Vertical control register */
85 u_char vl_vpw; /* Vertical sync pulse width */
86 u_char vl_lcdac; /* LCD AC timing */
87 u_char vl_wbf; /* Wait between frames */
88} vidinfo_t;
89
Marek Vasutabc20ab2011-11-26 07:20:07 +010090#elif defined(CONFIG_CPU_PXA25X) || defined(CONFIG_CPU_PXA27X) || \
91 defined CONFIG_CPU_MONAHANS
wdenk8655b6f2004-10-09 23:25:58 +000092/*
93 * PXA LCD DMA descriptor
94 */
95struct pxafb_dma_descriptor {
96 u_long fdadr; /* Frame descriptor address register */
97 u_long fsadr; /* Frame source address register */
98 u_long fidr; /* Frame ID register */
99 u_long ldcmd; /* Command register */
100};
101
102/*
103 * PXA LCD info
104 */
105struct pxafb_info {
106
107 /* Misc registers */
108 u_long reg_lccr3;
109 u_long reg_lccr2;
110 u_long reg_lccr1;
111 u_long reg_lccr0;
112 u_long fdadr0;
113 u_long fdadr1;
114
115 /* DMA descriptors */
116 struct pxafb_dma_descriptor * dmadesc_fblow;
117 struct pxafb_dma_descriptor * dmadesc_fbhigh;
118 struct pxafb_dma_descriptor * dmadesc_palette;
119
120 u_long screen; /* physical address of frame buffer */
121 u_long palette; /* physical address of palette memory */
122 u_int palette_size;
123};
124
125/*
126 * LCD controller stucture for PXA CPU
127 */
128typedef struct vidinfo {
129 ushort vl_col; /* Number of columns (i.e. 640) */
130 ushort vl_row; /* Number of rows (i.e. 480) */
131 ushort vl_width; /* Width of display area in millimeters */
132 ushort vl_height; /* Height of display area in millimeters */
133
134 /* LCD configuration register */
135 u_char vl_clkp; /* Clock polarity */
136 u_char vl_oep; /* Output Enable polarity */
137 u_char vl_hsp; /* Horizontal Sync polarity */
138 u_char vl_vsp; /* Vertical Sync polarity */
139 u_char vl_dp; /* Data polarity */
140 u_char vl_bpix; /* Bits per pixel, 0 = 1, 1 = 2, 2 = 4, 3 = 8, 4 = 16 */
141 u_char vl_lbw; /* LCD Bus width, 0 = 4, 1 = 8 */
142 u_char vl_splt; /* Split display, 0 = single-scan, 1 = dual-scan */
143 u_char vl_clor; /* Color, 0 = mono, 1 = color */
144 u_char vl_tft; /* 0 = passive, 1 = TFT */
145
146 /* Horizontal control register. Timing from data sheet */
147 ushort vl_hpw; /* Horz sync pulse width */
148 u_char vl_blw; /* Wait before of line */
149 u_char vl_elw; /* Wait end of line */
150
151 /* Vertical control register. */
152 u_char vl_vpw; /* Vertical sync pulse width */
153 u_char vl_bfw; /* Wait before of frame */
154 u_char vl_efw; /* Wait end of frame */
155
156 /* PXA LCD controller params */
157 struct pxafb_info pxa;
158} vidinfo_t;
159
Stelian Pop39cf4802008-05-09 21:57:18 +0200160#elif defined(CONFIG_ATMEL_LCD)
161
162typedef struct vidinfo {
Marek Vasut78459122011-10-24 23:41:00 +0000163 ushort vl_col; /* Number of columns (i.e. 640) */
164 ushort vl_row; /* Number of rows (i.e. 480) */
Stelian Pop39cf4802008-05-09 21:57:18 +0200165 u_long vl_clk; /* pixel clock in ps */
166
167 /* LCD configuration register */
168 u_long vl_sync; /* Horizontal / vertical sync */
169 u_long vl_bpix; /* Bits per pixel, 0 = 1, 1 = 2, 2 = 4, 3 = 8, 4 = 16 */
170 u_long vl_tft; /* 0 = passive, 1 = TFT */
Alexander Steincdfcedb2010-07-20 08:55:40 +0200171 u_long vl_cont_pol_low; /* contrast polarity is low */
Stelian Pop39cf4802008-05-09 21:57:18 +0200172
173 /* Horizontal control register. */
174 u_long vl_hsync_len; /* Length of horizontal sync */
175 u_long vl_left_margin; /* Time from sync to picture */
176 u_long vl_right_margin; /* Time from picture to sync */
177
178 /* Vertical control register. */
179 u_long vl_vsync_len; /* Length of vertical sync */
180 u_long vl_upper_margin; /* Time from sync to picture */
181 u_long vl_lower_margin; /* Time from picture to sync */
182
183 u_long mmio; /* Memory mapped registers */
184} vidinfo_t;
185
Guennadi Liakhovetskib245e652009-02-06 10:37:53 +0100186#else
187
188typedef struct vidinfo {
189 ushort vl_col; /* Number of columns (i.e. 160) */
190 ushort vl_row; /* Number of rows (i.e. 100) */
191
192 u_char vl_bpix; /* Bits per pixel, 0 = 1 */
193
194 ushort *cmap; /* Pointer to the colormap */
195
196 void *priv; /* Pointer to driver-specific data */
197} vidinfo_t;
198
Marek Vasutabc20ab2011-11-26 07:20:07 +0100199#endif /* CONFIG_MPC823, CONFIG_CPU_PXA25X, CONFIG_MCC200, CONFIG_ATMEL_LCD */
wdenk8655b6f2004-10-09 23:25:58 +0000200
Alessandro Rubini60e97412009-07-21 14:09:45 +0200201extern vidinfo_t panel_info;
202
wdenkfe8c2802002-11-03 00:38:21 +0000203/* Video functions */
204
wdenk8655b6f2004-10-09 23:25:58 +0000205#if defined(CONFIG_RBC823)
206void lcd_disable (void);
207#endif
208
209
wdenkc3f4d172004-06-25 23:35:58 +0000210/* int lcd_init (void *lcdbase); */
wdenkfe8c2802002-11-03 00:38:21 +0000211void lcd_putc (const char c);
212void lcd_puts (const char *s);
213void lcd_printf (const char *fmt, ...);
Che-Liang Chiou02110902011-10-20 23:07:03 +0000214void lcd_clear(void);
215int lcd_display_bitmap(ulong bmp_image, int x, int y);
wdenkfe8c2802002-11-03 00:38:21 +0000216
Haavard Skinnemoen6b59e032008-09-01 16:21:22 +0200217/* Allow boards to customize the information displayed */
218void lcd_show_board_info(void);
wdenk8655b6f2004-10-09 23:25:58 +0000219
220/************************************************************************/
221/* ** BITMAP DISPLAY SUPPORT */
222/************************************************************************/
Jon Loeliger639221c2007-07-09 17:15:49 -0500223#if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
wdenk8655b6f2004-10-09 23:25:58 +0000224# include <bmp_layout.h>
225# include <asm/byteorder.h>
Jon Loeliger639221c2007-07-09 17:15:49 -0500226#endif
wdenk8655b6f2004-10-09 23:25:58 +0000227
wdenk8655b6f2004-10-09 23:25:58 +0000228/*
229 * Information about displays we are using. This is for configuring
230 * the LCD controller and memory allocation. Someone has to know what
231 * is connected, as we can't autodetect anything.
232 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200233#define CONFIG_SYS_HIGH 0 /* Pins are active high */
234#define CONFIG_SYS_LOW 1 /* Pins are active low */
wdenk8655b6f2004-10-09 23:25:58 +0000235
236#define LCD_MONOCHROME 0
237#define LCD_COLOR2 1
238#define LCD_COLOR4 2
239#define LCD_COLOR8 3
240#define LCD_COLOR16 4
241
242/*----------------------------------------------------------------------*/
wdenk88804d12005-07-04 00:03:16 +0000243#if defined(CONFIG_LCD_INFO_BELOW_LOGO)
wdenk8655b6f2004-10-09 23:25:58 +0000244# define LCD_INFO_X 0
245# define LCD_INFO_Y (BMP_LOGO_HEIGHT + VIDEO_FONT_HEIGHT)
246#elif defined(CONFIG_LCD_LOGO)
247# define LCD_INFO_X (BMP_LOGO_WIDTH + 4 * VIDEO_FONT_WIDTH)
248# define LCD_INFO_Y (VIDEO_FONT_HEIGHT)
249#else
250# define LCD_INFO_X (VIDEO_FONT_WIDTH)
251# define LCD_INFO_Y (VIDEO_FONT_HEIGHT)
252#endif
253
254/* Default to 8bpp if bit depth not specified */
255#ifndef LCD_BPP
256# define LCD_BPP LCD_COLOR8
257#endif
258#ifndef LCD_DF
259# define LCD_DF 1
260#endif
261
262/* Calculate nr. of bits per pixel and nr. of colors */
263#define NBITS(bit_code) (1 << (bit_code))
264#define NCOLORS(bit_code) (1 << NBITS(bit_code))
265
266/************************************************************************/
267/* ** CONSOLE CONSTANTS */
268/************************************************************************/
269#if LCD_BPP == LCD_MONOCHROME
270
271/*
272 * Simple black/white definitions
273 */
274# define CONSOLE_COLOR_BLACK 0
275# define CONSOLE_COLOR_WHITE 1 /* Must remain last / highest */
276
277#elif LCD_BPP == LCD_COLOR8
278
279/*
280 * 8bpp color definitions
281 */
282# define CONSOLE_COLOR_BLACK 0
283# define CONSOLE_COLOR_RED 1
284# define CONSOLE_COLOR_GREEN 2
285# define CONSOLE_COLOR_YELLOW 3
286# define CONSOLE_COLOR_BLUE 4
287# define CONSOLE_COLOR_MAGENTA 5
288# define CONSOLE_COLOR_CYAN 6
289# define CONSOLE_COLOR_GREY 14
290# define CONSOLE_COLOR_WHITE 15 /* Must remain last / highest */
291
292#else
293
294/*
295 * 16bpp color definitions
296 */
297# define CONSOLE_COLOR_BLACK 0x0000
298# define CONSOLE_COLOR_WHITE 0xffff /* Must remain last / highest */
299
300#endif /* color definitions */
301
wdenk8655b6f2004-10-09 23:25:58 +0000302/************************************************************************/
303#ifndef PAGE_SIZE
304# define PAGE_SIZE 4096
305#endif
306
307/************************************************************************/
308/* ** CONSOLE DEFINITIONS & FUNCTIONS */
309/************************************************************************/
wdenk88804d12005-07-04 00:03:16 +0000310#if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
wdenk8655b6f2004-10-09 23:25:58 +0000311# define CONSOLE_ROWS ((panel_info.vl_row-BMP_LOGO_HEIGHT) \
312 / VIDEO_FONT_HEIGHT)
313#else
314# define CONSOLE_ROWS (panel_info.vl_row / VIDEO_FONT_HEIGHT)
315#endif
316
317#define CONSOLE_COLS (panel_info.vl_col / VIDEO_FONT_WIDTH)
318#define CONSOLE_ROW_SIZE (VIDEO_FONT_HEIGHT * lcd_line_length)
319#define CONSOLE_ROW_FIRST (lcd_console_address)
320#define CONSOLE_ROW_SECOND (lcd_console_address + CONSOLE_ROW_SIZE)
321#define CONSOLE_ROW_LAST (lcd_console_address + CONSOLE_SIZE \
322 - CONSOLE_ROW_SIZE)
323#define CONSOLE_SIZE (CONSOLE_ROW_SIZE * CONSOLE_ROWS)
324#define CONSOLE_SCROLL_SIZE (CONSOLE_SIZE - CONSOLE_ROW_SIZE)
325
326#if LCD_BPP == LCD_MONOCHROME
327# define COLOR_MASK(c) ((c) | (c) << 1 | (c) << 2 | (c) << 3 | \
328 (c) << 4 | (c) << 5 | (c) << 6 | (c) << 7)
Mark Jackson69f32e62009-07-21 11:18:44 +0100329#elif (LCD_BPP == LCD_COLOR8) || (LCD_BPP == LCD_COLOR16)
wdenk8655b6f2004-10-09 23:25:58 +0000330# define COLOR_MASK(c) (c)
331#else
332# error Unsupported LCD BPP.
333#endif
334
335/************************************************************************/
336
337#endif /* _LCD_H_ */