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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 Vasut8c35d0c2009-11-28 13:57:43 +010090#elif defined CONFIG_PXA250 || defined CONFIG_PXA27X || defined CONFIG_CPU_MONAHANS
wdenk8655b6f2004-10-09 23:25:58 +000091/*
92 * PXA LCD DMA descriptor
93 */
94struct pxafb_dma_descriptor {
95 u_long fdadr; /* Frame descriptor address register */
96 u_long fsadr; /* Frame source address register */
97 u_long fidr; /* Frame ID register */
98 u_long ldcmd; /* Command register */
99};
100
101/*
102 * PXA LCD info
103 */
104struct pxafb_info {
105
106 /* Misc registers */
107 u_long reg_lccr3;
108 u_long reg_lccr2;
109 u_long reg_lccr1;
110 u_long reg_lccr0;
111 u_long fdadr0;
112 u_long fdadr1;
113
114 /* DMA descriptors */
115 struct pxafb_dma_descriptor * dmadesc_fblow;
116 struct pxafb_dma_descriptor * dmadesc_fbhigh;
117 struct pxafb_dma_descriptor * dmadesc_palette;
118
119 u_long screen; /* physical address of frame buffer */
120 u_long palette; /* physical address of palette memory */
121 u_int palette_size;
122};
123
124/*
125 * LCD controller stucture for PXA CPU
126 */
127typedef struct vidinfo {
128 ushort vl_col; /* Number of columns (i.e. 640) */
129 ushort vl_row; /* Number of rows (i.e. 480) */
130 ushort vl_width; /* Width of display area in millimeters */
131 ushort vl_height; /* Height of display area in millimeters */
132
133 /* LCD configuration register */
134 u_char vl_clkp; /* Clock polarity */
135 u_char vl_oep; /* Output Enable polarity */
136 u_char vl_hsp; /* Horizontal Sync polarity */
137 u_char vl_vsp; /* Vertical Sync polarity */
138 u_char vl_dp; /* Data polarity */
139 u_char vl_bpix; /* Bits per pixel, 0 = 1, 1 = 2, 2 = 4, 3 = 8, 4 = 16 */
140 u_char vl_lbw; /* LCD Bus width, 0 = 4, 1 = 8 */
141 u_char vl_splt; /* Split display, 0 = single-scan, 1 = dual-scan */
142 u_char vl_clor; /* Color, 0 = mono, 1 = color */
143 u_char vl_tft; /* 0 = passive, 1 = TFT */
144
145 /* Horizontal control register. Timing from data sheet */
146 ushort vl_hpw; /* Horz sync pulse width */
147 u_char vl_blw; /* Wait before of line */
148 u_char vl_elw; /* Wait end of line */
149
150 /* Vertical control register. */
151 u_char vl_vpw; /* Vertical sync pulse width */
152 u_char vl_bfw; /* Wait before of frame */
153 u_char vl_efw; /* Wait end of frame */
154
155 /* PXA LCD controller params */
156 struct pxafb_info pxa;
157} vidinfo_t;
158
Stelian Pop39cf4802008-05-09 21:57:18 +0200159#elif defined(CONFIG_ATMEL_LCD)
160
161typedef struct vidinfo {
162 u_long vl_col; /* Number of columns (i.e. 640) */
163 u_long vl_row; /* Number of rows (i.e. 480) */
164 u_long vl_clk; /* pixel clock in ps */
165
166 /* LCD configuration register */
167 u_long vl_sync; /* Horizontal / vertical sync */
168 u_long vl_bpix; /* Bits per pixel, 0 = 1, 1 = 2, 2 = 4, 3 = 8, 4 = 16 */
169 u_long vl_tft; /* 0 = passive, 1 = TFT */
Alexander Steincdfcedb2010-07-20 08:55:40 +0200170 u_long vl_cont_pol_low; /* contrast polarity is low */
Stelian Pop39cf4802008-05-09 21:57:18 +0200171
172 /* Horizontal control register. */
173 u_long vl_hsync_len; /* Length of horizontal sync */
174 u_long vl_left_margin; /* Time from sync to picture */
175 u_long vl_right_margin; /* Time from picture to sync */
176
177 /* Vertical control register. */
178 u_long vl_vsync_len; /* Length of vertical sync */
179 u_long vl_upper_margin; /* Time from sync to picture */
180 u_long vl_lower_margin; /* Time from picture to sync */
181
182 u_long mmio; /* Memory mapped registers */
183} vidinfo_t;
184
Guennadi Liakhovetskib245e652009-02-06 10:37:53 +0100185#else
186
187typedef struct vidinfo {
188 ushort vl_col; /* Number of columns (i.e. 160) */
189 ushort vl_row; /* Number of rows (i.e. 100) */
190
191 u_char vl_bpix; /* Bits per pixel, 0 = 1 */
192
193 ushort *cmap; /* Pointer to the colormap */
194
195 void *priv; /* Pointer to driver-specific data */
196} vidinfo_t;
197
Stelian Pop39cf4802008-05-09 21:57:18 +0200198#endif /* CONFIG_MPC823, CONFIG_PXA250 or CONFIG_MCC200 or CONFIG_ATMEL_LCD */
wdenk8655b6f2004-10-09 23:25:58 +0000199
Alessandro Rubini60e97412009-07-21 14:09:45 +0200200extern vidinfo_t panel_info;
201
wdenkfe8c2802002-11-03 00:38:21 +0000202/* Video functions */
203
wdenk8655b6f2004-10-09 23:25:58 +0000204#if defined(CONFIG_RBC823)
205void lcd_disable (void);
206#endif
207
208
wdenkc3f4d172004-06-25 23:35:58 +0000209/* int lcd_init (void *lcdbase); */
wdenkfe8c2802002-11-03 00:38:21 +0000210void lcd_putc (const char c);
211void lcd_puts (const char *s);
212void lcd_printf (const char *fmt, ...);
213
Haavard Skinnemoen6b59e032008-09-01 16:21:22 +0200214/* Allow boards to customize the information displayed */
215void lcd_show_board_info(void);
wdenk8655b6f2004-10-09 23:25:58 +0000216
217/************************************************************************/
218/* ** BITMAP DISPLAY SUPPORT */
219/************************************************************************/
Jon Loeliger639221c2007-07-09 17:15:49 -0500220#if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
wdenk8655b6f2004-10-09 23:25:58 +0000221# include <bmp_layout.h>
222# include <asm/byteorder.h>
Jon Loeliger639221c2007-07-09 17:15:49 -0500223#endif
wdenk8655b6f2004-10-09 23:25:58 +0000224
wdenk8655b6f2004-10-09 23:25:58 +0000225/*
226 * Information about displays we are using. This is for configuring
227 * the LCD controller and memory allocation. Someone has to know what
228 * is connected, as we can't autodetect anything.
229 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200230#define CONFIG_SYS_HIGH 0 /* Pins are active high */
231#define CONFIG_SYS_LOW 1 /* Pins are active low */
wdenk8655b6f2004-10-09 23:25:58 +0000232
233#define LCD_MONOCHROME 0
234#define LCD_COLOR2 1
235#define LCD_COLOR4 2
236#define LCD_COLOR8 3
237#define LCD_COLOR16 4
238
239/*----------------------------------------------------------------------*/
wdenk88804d12005-07-04 00:03:16 +0000240#if defined(CONFIG_LCD_INFO_BELOW_LOGO)
wdenk8655b6f2004-10-09 23:25:58 +0000241# define LCD_INFO_X 0
242# define LCD_INFO_Y (BMP_LOGO_HEIGHT + VIDEO_FONT_HEIGHT)
243#elif defined(CONFIG_LCD_LOGO)
244# define LCD_INFO_X (BMP_LOGO_WIDTH + 4 * VIDEO_FONT_WIDTH)
245# define LCD_INFO_Y (VIDEO_FONT_HEIGHT)
246#else
247# define LCD_INFO_X (VIDEO_FONT_WIDTH)
248# define LCD_INFO_Y (VIDEO_FONT_HEIGHT)
249#endif
250
251/* Default to 8bpp if bit depth not specified */
252#ifndef LCD_BPP
253# define LCD_BPP LCD_COLOR8
254#endif
255#ifndef LCD_DF
256# define LCD_DF 1
257#endif
258
259/* Calculate nr. of bits per pixel and nr. of colors */
260#define NBITS(bit_code) (1 << (bit_code))
261#define NCOLORS(bit_code) (1 << NBITS(bit_code))
262
263/************************************************************************/
264/* ** CONSOLE CONSTANTS */
265/************************************************************************/
266#if LCD_BPP == LCD_MONOCHROME
267
268/*
269 * Simple black/white definitions
270 */
271# define CONSOLE_COLOR_BLACK 0
272# define CONSOLE_COLOR_WHITE 1 /* Must remain last / highest */
273
274#elif LCD_BPP == LCD_COLOR8
275
276/*
277 * 8bpp color definitions
278 */
279# define CONSOLE_COLOR_BLACK 0
280# define CONSOLE_COLOR_RED 1
281# define CONSOLE_COLOR_GREEN 2
282# define CONSOLE_COLOR_YELLOW 3
283# define CONSOLE_COLOR_BLUE 4
284# define CONSOLE_COLOR_MAGENTA 5
285# define CONSOLE_COLOR_CYAN 6
286# define CONSOLE_COLOR_GREY 14
287# define CONSOLE_COLOR_WHITE 15 /* Must remain last / highest */
288
289#else
290
291/*
292 * 16bpp color definitions
293 */
294# define CONSOLE_COLOR_BLACK 0x0000
295# define CONSOLE_COLOR_WHITE 0xffff /* Must remain last / highest */
296
297#endif /* color definitions */
298
wdenk8655b6f2004-10-09 23:25:58 +0000299/************************************************************************/
300#ifndef PAGE_SIZE
301# define PAGE_SIZE 4096
302#endif
303
304/************************************************************************/
305/* ** CONSOLE DEFINITIONS & FUNCTIONS */
306/************************************************************************/
wdenk88804d12005-07-04 00:03:16 +0000307#if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
wdenk8655b6f2004-10-09 23:25:58 +0000308# define CONSOLE_ROWS ((panel_info.vl_row-BMP_LOGO_HEIGHT) \
309 / VIDEO_FONT_HEIGHT)
310#else
311# define CONSOLE_ROWS (panel_info.vl_row / VIDEO_FONT_HEIGHT)
312#endif
313
314#define CONSOLE_COLS (panel_info.vl_col / VIDEO_FONT_WIDTH)
315#define CONSOLE_ROW_SIZE (VIDEO_FONT_HEIGHT * lcd_line_length)
316#define CONSOLE_ROW_FIRST (lcd_console_address)
317#define CONSOLE_ROW_SECOND (lcd_console_address + CONSOLE_ROW_SIZE)
318#define CONSOLE_ROW_LAST (lcd_console_address + CONSOLE_SIZE \
319 - CONSOLE_ROW_SIZE)
320#define CONSOLE_SIZE (CONSOLE_ROW_SIZE * CONSOLE_ROWS)
321#define CONSOLE_SCROLL_SIZE (CONSOLE_SIZE - CONSOLE_ROW_SIZE)
322
323#if LCD_BPP == LCD_MONOCHROME
324# define COLOR_MASK(c) ((c) | (c) << 1 | (c) << 2 | (c) << 3 | \
325 (c) << 4 | (c) << 5 | (c) << 6 | (c) << 7)
Mark Jackson69f32e62009-07-21 11:18:44 +0100326#elif (LCD_BPP == LCD_COLOR8) || (LCD_BPP == LCD_COLOR16)
wdenk8655b6f2004-10-09 23:25:58 +0000327# define COLOR_MASK(c) (c)
328#else
329# error Unsupported LCD BPP.
330#endif
331
332/************************************************************************/
333
334#endif /* _LCD_H_ */