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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
wdenk8655b6f2004-10-09 23:25:58 +000090#elif defined CONFIG_PXA250
91/*
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 */
170
171 /* Horizontal control register. */
172 u_long vl_hsync_len; /* Length of horizontal sync */
173 u_long vl_left_margin; /* Time from sync to picture */
174 u_long vl_right_margin; /* Time from picture to sync */
175
176 /* Vertical control register. */
177 u_long vl_vsync_len; /* Length of vertical sync */
178 u_long vl_upper_margin; /* Time from sync to picture */
179 u_long vl_lower_margin; /* Time from picture to sync */
180
181 u_long mmio; /* Memory mapped registers */
182} vidinfo_t;
183
Guennadi Liakhovetskib245e652009-02-06 10:37:53 +0100184#else
185
186typedef struct vidinfo {
187 ushort vl_col; /* Number of columns (i.e. 160) */
188 ushort vl_row; /* Number of rows (i.e. 100) */
189
190 u_char vl_bpix; /* Bits per pixel, 0 = 1 */
191
192 ushort *cmap; /* Pointer to the colormap */
193
194 void *priv; /* Pointer to driver-specific data */
195} vidinfo_t;
196
Stelian Pop39cf4802008-05-09 21:57:18 +0200197#endif /* CONFIG_MPC823, CONFIG_PXA250 or CONFIG_MCC200 or CONFIG_ATMEL_LCD */
wdenk8655b6f2004-10-09 23:25:58 +0000198
Alessandro Rubini60e97412009-07-21 14:09:45 +0200199extern vidinfo_t panel_info;
200
wdenkfe8c2802002-11-03 00:38:21 +0000201/* Video functions */
202
wdenk8655b6f2004-10-09 23:25:58 +0000203#if defined(CONFIG_RBC823)
204void lcd_disable (void);
205#endif
206
207
wdenkc3f4d172004-06-25 23:35:58 +0000208/* int lcd_init (void *lcdbase); */
wdenkfe8c2802002-11-03 00:38:21 +0000209void lcd_putc (const char c);
210void lcd_puts (const char *s);
211void lcd_printf (const char *fmt, ...);
212
Haavard Skinnemoen6b59e032008-09-01 16:21:22 +0200213/* Allow boards to customize the information displayed */
214void lcd_show_board_info(void);
wdenk8655b6f2004-10-09 23:25:58 +0000215
216/************************************************************************/
217/* ** BITMAP DISPLAY SUPPORT */
218/************************************************************************/
Jon Loeliger639221c2007-07-09 17:15:49 -0500219#if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
wdenk8655b6f2004-10-09 23:25:58 +0000220# include <bmp_layout.h>
221# include <asm/byteorder.h>
Jon Loeliger639221c2007-07-09 17:15:49 -0500222#endif
wdenk8655b6f2004-10-09 23:25:58 +0000223
wdenk8655b6f2004-10-09 23:25:58 +0000224/*
225 * Information about displays we are using. This is for configuring
226 * the LCD controller and memory allocation. Someone has to know what
227 * is connected, as we can't autodetect anything.
228 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200229#define CONFIG_SYS_HIGH 0 /* Pins are active high */
230#define CONFIG_SYS_LOW 1 /* Pins are active low */
wdenk8655b6f2004-10-09 23:25:58 +0000231
232#define LCD_MONOCHROME 0
233#define LCD_COLOR2 1
234#define LCD_COLOR4 2
235#define LCD_COLOR8 3
236#define LCD_COLOR16 4
237
238/*----------------------------------------------------------------------*/
wdenk88804d12005-07-04 00:03:16 +0000239#if defined(CONFIG_LCD_INFO_BELOW_LOGO)
wdenk8655b6f2004-10-09 23:25:58 +0000240# define LCD_INFO_X 0
241# define LCD_INFO_Y (BMP_LOGO_HEIGHT + VIDEO_FONT_HEIGHT)
242#elif defined(CONFIG_LCD_LOGO)
243# define LCD_INFO_X (BMP_LOGO_WIDTH + 4 * VIDEO_FONT_WIDTH)
244# define LCD_INFO_Y (VIDEO_FONT_HEIGHT)
245#else
246# define LCD_INFO_X (VIDEO_FONT_WIDTH)
247# define LCD_INFO_Y (VIDEO_FONT_HEIGHT)
248#endif
249
250/* Default to 8bpp if bit depth not specified */
251#ifndef LCD_BPP
252# define LCD_BPP LCD_COLOR8
253#endif
254#ifndef LCD_DF
255# define LCD_DF 1
256#endif
257
258/* Calculate nr. of bits per pixel and nr. of colors */
259#define NBITS(bit_code) (1 << (bit_code))
260#define NCOLORS(bit_code) (1 << NBITS(bit_code))
261
262/************************************************************************/
263/* ** CONSOLE CONSTANTS */
264/************************************************************************/
265#if LCD_BPP == LCD_MONOCHROME
266
267/*
268 * Simple black/white definitions
269 */
270# define CONSOLE_COLOR_BLACK 0
271# define CONSOLE_COLOR_WHITE 1 /* Must remain last / highest */
272
273#elif LCD_BPP == LCD_COLOR8
274
275/*
276 * 8bpp color definitions
277 */
278# define CONSOLE_COLOR_BLACK 0
279# define CONSOLE_COLOR_RED 1
280# define CONSOLE_COLOR_GREEN 2
281# define CONSOLE_COLOR_YELLOW 3
282# define CONSOLE_COLOR_BLUE 4
283# define CONSOLE_COLOR_MAGENTA 5
284# define CONSOLE_COLOR_CYAN 6
285# define CONSOLE_COLOR_GREY 14
286# define CONSOLE_COLOR_WHITE 15 /* Must remain last / highest */
287
288#else
289
290/*
291 * 16bpp color definitions
292 */
293# define CONSOLE_COLOR_BLACK 0x0000
294# define CONSOLE_COLOR_WHITE 0xffff /* Must remain last / highest */
295
296#endif /* color definitions */
297
wdenk8655b6f2004-10-09 23:25:58 +0000298/************************************************************************/
299#ifndef PAGE_SIZE
300# define PAGE_SIZE 4096
301#endif
302
303/************************************************************************/
304/* ** CONSOLE DEFINITIONS & FUNCTIONS */
305/************************************************************************/
wdenk88804d12005-07-04 00:03:16 +0000306#if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
wdenk8655b6f2004-10-09 23:25:58 +0000307# define CONSOLE_ROWS ((panel_info.vl_row-BMP_LOGO_HEIGHT) \
308 / VIDEO_FONT_HEIGHT)
309#else
310# define CONSOLE_ROWS (panel_info.vl_row / VIDEO_FONT_HEIGHT)
311#endif
312
313#define CONSOLE_COLS (panel_info.vl_col / VIDEO_FONT_WIDTH)
314#define CONSOLE_ROW_SIZE (VIDEO_FONT_HEIGHT * lcd_line_length)
315#define CONSOLE_ROW_FIRST (lcd_console_address)
316#define CONSOLE_ROW_SECOND (lcd_console_address + CONSOLE_ROW_SIZE)
317#define CONSOLE_ROW_LAST (lcd_console_address + CONSOLE_SIZE \
318 - CONSOLE_ROW_SIZE)
319#define CONSOLE_SIZE (CONSOLE_ROW_SIZE * CONSOLE_ROWS)
320#define CONSOLE_SCROLL_SIZE (CONSOLE_SIZE - CONSOLE_ROW_SIZE)
321
322#if LCD_BPP == LCD_MONOCHROME
323# define COLOR_MASK(c) ((c) | (c) << 1 | (c) << 2 | (c) << 3 | \
324 (c) << 4 | (c) << 5 | (c) << 6 | (c) << 7)
Mark Jackson69f32e62009-07-21 11:18:44 +0100325#elif (LCD_BPP == LCD_COLOR8) || (LCD_BPP == LCD_COLOR16)
wdenk8655b6f2004-10-09 23:25:58 +0000326# define COLOR_MASK(c) (c)
327#else
328# error Unsupported LCD BPP.
329#endif
330
331/************************************************************************/
332
333#endif /* _LCD_H_ */