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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 *
Wolfgang Denk3765b3e2013-10-07 13:07:26 +020010 * SPDX-License-Identifier: GPL-2.0+
wdenkfe8c2802002-11-03 00:38:21 +000011 */
12
13#ifndef _LCD_H_
14#define _LCD_H_
Nikita Kiryanov904672e2014-12-08 17:14:45 +020015#include <lcd_console.h>
wdenkfe8c2802002-11-03 00:38:21 +000016
wdenk682011f2003-06-03 23:54:09 +000017extern char lcd_is_enabled;
18
wdenk8655b6f2004-10-09 23:25:58 +000019extern int lcd_line_length;
wdenk8655b6f2004-10-09 23:25:58 +000020
Alessandro Rubini61117222009-07-19 17:52:27 +020021extern struct vidinfo panel_info;
22
Jeroen Hofstee6b035142013-01-12 12:07:56 +000023void lcd_ctrl_init(void *lcdbase);
24void lcd_enable(void);
Alessandro Rubini61117222009-07-19 17:52:27 +020025
26/* setcolreg used in 8bpp/16bpp; initcolregs used in monochrome */
Jeroen Hofstee6b035142013-01-12 12:07:56 +000027void lcd_setcolreg(ushort regno, ushort red, ushort green, ushort blue);
28void lcd_initcolregs(void);
Alessandro Rubini61117222009-07-19 17:52:27 +020029
30/* gunzip_bmp used if CONFIG_VIDEO_BMP_GZIP */
Piotr Wilczekf7ef9d62013-06-05 08:14:30 +020031struct bmp_image *gunzip_bmp(unsigned long addr, unsigned long *lenp,
32 void **alloc_addr);
Jeroen Hofstee6b035142013-01-12 12:07:56 +000033int bmp_display(ulong addr, int x, int y);
wdenk8655b6f2004-10-09 23:25:58 +000034
Simon Glass9a8efc42012-10-30 13:40:18 +000035/**
36 * Set whether we need to flush the dcache when changing the LCD image. This
37 * defaults to off.
38 *
39 * @param flush non-zero to flush cache after update, 0 to skip
40 */
41void lcd_set_flush_dcache(int flush);
42
wdenk8655b6f2004-10-09 23:25:58 +000043#if defined CONFIG_MPC823
44/*
45 * LCD controller stucture for MPC823 CPU
46 */
47typedef struct vidinfo {
48 ushort vl_col; /* Number of columns (i.e. 640) */
49 ushort vl_row; /* Number of rows (i.e. 480) */
50 ushort vl_width; /* Width of display area in millimeters */
51 ushort vl_height; /* Height of display area in millimeters */
52
53 /* LCD configuration register */
54 u_char vl_clkp; /* Clock polarity */
55 u_char vl_oep; /* Output Enable polarity */
56 u_char vl_hsp; /* Horizontal Sync polarity */
57 u_char vl_vsp; /* Vertical Sync polarity */
58 u_char vl_dp; /* Data polarity */
59 u_char vl_bpix; /* Bits per pixel, 0 = 1, 1 = 2, 2 = 4, 3 = 8 */
60 u_char vl_lbw; /* LCD Bus width, 0 = 4, 1 = 8 */
61 u_char vl_splt; /* Split display, 0 = single-scan, 1 = dual-scan */
62 u_char vl_clor; /* Color, 0 = mono, 1 = color */
63 u_char vl_tft; /* 0 = passive, 1 = TFT */
64
65 /* Horizontal control register. Timing from data sheet */
66 ushort vl_wbl; /* Wait between lines */
67
68 /* Vertical control register */
69 u_char vl_vpw; /* Vertical sync pulse width */
70 u_char vl_lcdac; /* LCD AC timing */
71 u_char vl_wbf; /* Wait between frames */
72} vidinfo_t;
73
Marek Vasutabc20ab2011-11-26 07:20:07 +010074#elif defined(CONFIG_CPU_PXA25X) || defined(CONFIG_CPU_PXA27X) || \
75 defined CONFIG_CPU_MONAHANS
wdenk8655b6f2004-10-09 23:25:58 +000076/*
77 * PXA LCD DMA descriptor
78 */
79struct pxafb_dma_descriptor {
80 u_long fdadr; /* Frame descriptor address register */
81 u_long fsadr; /* Frame source address register */
82 u_long fidr; /* Frame ID register */
83 u_long ldcmd; /* Command register */
84};
85
86/*
87 * PXA LCD info
88 */
89struct pxafb_info {
90
91 /* Misc registers */
92 u_long reg_lccr3;
93 u_long reg_lccr2;
94 u_long reg_lccr1;
95 u_long reg_lccr0;
96 u_long fdadr0;
97 u_long fdadr1;
98
99 /* DMA descriptors */
100 struct pxafb_dma_descriptor * dmadesc_fblow;
101 struct pxafb_dma_descriptor * dmadesc_fbhigh;
102 struct pxafb_dma_descriptor * dmadesc_palette;
103
104 u_long screen; /* physical address of frame buffer */
105 u_long palette; /* physical address of palette memory */
106 u_int palette_size;
107};
108
109/*
110 * LCD controller stucture for PXA CPU
111 */
112typedef struct vidinfo {
113 ushort vl_col; /* Number of columns (i.e. 640) */
114 ushort vl_row; /* Number of rows (i.e. 480) */
115 ushort vl_width; /* Width of display area in millimeters */
116 ushort vl_height; /* Height of display area in millimeters */
117
118 /* LCD configuration register */
119 u_char vl_clkp; /* Clock polarity */
120 u_char vl_oep; /* Output Enable polarity */
121 u_char vl_hsp; /* Horizontal Sync polarity */
122 u_char vl_vsp; /* Vertical Sync polarity */
123 u_char vl_dp; /* Data polarity */
124 u_char vl_bpix; /* Bits per pixel, 0 = 1, 1 = 2, 2 = 4, 3 = 8, 4 = 16 */
125 u_char vl_lbw; /* LCD Bus width, 0 = 4, 1 = 8 */
126 u_char vl_splt; /* Split display, 0 = single-scan, 1 = dual-scan */
127 u_char vl_clor; /* Color, 0 = mono, 1 = color */
128 u_char vl_tft; /* 0 = passive, 1 = TFT */
129
130 /* Horizontal control register. Timing from data sheet */
131 ushort vl_hpw; /* Horz sync pulse width */
132 u_char vl_blw; /* Wait before of line */
133 u_char vl_elw; /* Wait end of line */
134
135 /* Vertical control register. */
136 u_char vl_vpw; /* Vertical sync pulse width */
137 u_char vl_bfw; /* Wait before of frame */
138 u_char vl_efw; /* Wait end of frame */
139
140 /* PXA LCD controller params */
141 struct pxafb_info pxa;
142} vidinfo_t;
143
Bo Shenf6b690e2012-05-25 00:59:58 +0000144#elif defined(CONFIG_ATMEL_LCD) || defined(CONFIG_ATMEL_HLCD)
Stelian Pop39cf4802008-05-09 21:57:18 +0200145
146typedef struct vidinfo {
Marek Vasut78459122011-10-24 23:41:00 +0000147 ushort vl_col; /* Number of columns (i.e. 640) */
148 ushort vl_row; /* Number of rows (i.e. 480) */
Stelian Pop39cf4802008-05-09 21:57:18 +0200149 u_long vl_clk; /* pixel clock in ps */
150
151 /* LCD configuration register */
152 u_long vl_sync; /* Horizontal / vertical sync */
153 u_long vl_bpix; /* Bits per pixel, 0 = 1, 1 = 2, 2 = 4, 3 = 8, 4 = 16 */
154 u_long vl_tft; /* 0 = passive, 1 = TFT */
Alexander Steincdfcedb2010-07-20 08:55:40 +0200155 u_long vl_cont_pol_low; /* contrast polarity is low */
Bo Shenf6b690e2012-05-25 00:59:58 +0000156 u_long vl_clk_pol; /* clock polarity */
Stelian Pop39cf4802008-05-09 21:57:18 +0200157
158 /* Horizontal control register. */
159 u_long vl_hsync_len; /* Length of horizontal sync */
160 u_long vl_left_margin; /* Time from sync to picture */
161 u_long vl_right_margin; /* Time from picture to sync */
162
163 /* Vertical control register. */
164 u_long vl_vsync_len; /* Length of vertical sync */
165 u_long vl_upper_margin; /* Time from sync to picture */
166 u_long vl_lower_margin; /* Time from picture to sync */
167
168 u_long mmio; /* Memory mapped registers */
169} vidinfo_t;
170
Donghwa Lee559a05c2012-04-05 19:36:15 +0000171#elif defined(CONFIG_EXYNOS_FB)
172
173enum {
174 FIMD_RGB_INTERFACE = 1,
175 FIMD_CPU_INTERFACE = 2,
176};
177
Donghwa Lee90464972012-05-09 19:23:46 +0000178enum exynos_fb_rgb_mode_t {
179 MODE_RGB_P = 0,
180 MODE_BGR_P = 1,
181 MODE_RGB_S = 2,
182 MODE_BGR_S = 3,
183};
184
Donghwa Lee559a05c2012-04-05 19:36:15 +0000185typedef struct vidinfo {
186 ushort vl_col; /* Number of columns (i.e. 640) */
187 ushort vl_row; /* Number of rows (i.e. 480) */
188 ushort vl_width; /* Width of display area in millimeters */
189 ushort vl_height; /* Height of display area in millimeters */
190
191 /* LCD configuration register */
192 u_char vl_freq; /* Frequency */
193 u_char vl_clkp; /* Clock polarity */
194 u_char vl_oep; /* Output Enable polarity */
195 u_char vl_hsp; /* Horizontal Sync polarity */
196 u_char vl_vsp; /* Vertical Sync polarity */
197 u_char vl_dp; /* Data polarity */
198 u_char vl_bpix; /* Bits per pixel */
199
200 /* Horizontal control register. Timing from data sheet */
201 u_char vl_hspw; /* Horz sync pulse width */
202 u_char vl_hfpd; /* Wait before of line */
203 u_char vl_hbpd; /* Wait end of line */
204
205 /* Vertical control register. */
206 u_char vl_vspw; /* Vertical sync pulse width */
207 u_char vl_vfpd; /* Wait before of frame */
208 u_char vl_vbpd; /* Wait end of frame */
209 u_char vl_cmd_allow_len; /* Wait end of frame */
210
Donghwa Lee559a05c2012-04-05 19:36:15 +0000211 unsigned int win_id;
212 unsigned int init_delay;
213 unsigned int power_on_delay;
214 unsigned int reset_delay;
215 unsigned int interface_mode;
216 unsigned int mipi_enabled;
Donghwa Lee5addfcf2012-07-02 01:16:05 +0000217 unsigned int dp_enabled;
Donghwa Lee559a05c2012-04-05 19:36:15 +0000218 unsigned int cs_setup;
219 unsigned int wr_setup;
220 unsigned int wr_act;
221 unsigned int wr_hold;
Donghwa Lee90464972012-05-09 19:23:46 +0000222 unsigned int logo_on;
223 unsigned int logo_width;
224 unsigned int logo_height;
Przemyslaw Marczak903afe12013-11-29 18:30:43 +0100225 int logo_x_offset;
226 int logo_y_offset;
Donghwa Lee90464972012-05-09 19:23:46 +0000227 unsigned long logo_addr;
228 unsigned int rgb_mode;
229 unsigned int resolution;
Donghwa Lee559a05c2012-04-05 19:36:15 +0000230
231 /* parent clock name(MPLL, EPLL or VPLL) */
232 unsigned int pclk_name;
233 /* ratio value for source clock from parent clock. */
234 unsigned int sclk_div;
235
236 unsigned int dual_lcd_enabled;
Donghwa Lee559a05c2012-04-05 19:36:15 +0000237} vidinfo_t;
238
239void init_panel_info(vidinfo_t *vid);
240
Guennadi Liakhovetskib245e652009-02-06 10:37:53 +0100241#else
242
243typedef struct vidinfo {
244 ushort vl_col; /* Number of columns (i.e. 160) */
245 ushort vl_row; /* Number of rows (i.e. 100) */
246
247 u_char vl_bpix; /* Bits per pixel, 0 = 1 */
248
249 ushort *cmap; /* Pointer to the colormap */
250
251 void *priv; /* Pointer to driver-specific data */
252} vidinfo_t;
253
Nikita Kiryanovecfdcee2014-11-11 15:46:05 +0200254#endif /* CONFIG_MPC823, CONFIG_CPU_PXA25X, CONFIG_ATMEL_LCD */
wdenk8655b6f2004-10-09 23:25:58 +0000255
Alessandro Rubini60e97412009-07-21 14:09:45 +0200256extern vidinfo_t panel_info;
257
wdenkfe8c2802002-11-03 00:38:21 +0000258/* Video functions */
259
Jeroen Hofstee6b035142013-01-12 12:07:56 +0000260void lcd_putc(const char c);
261void lcd_puts(const char *s);
262void lcd_printf(const char *fmt, ...);
Che-Liang Chiou02110902011-10-20 23:07:03 +0000263void lcd_clear(void);
264int lcd_display_bitmap(ulong bmp_image, int x, int y);
wdenkfe8c2802002-11-03 00:38:21 +0000265
Vadim Bendebury395166c2012-09-28 15:11:13 +0000266/**
267 * Get the width of the LCD in pixels
268 *
269 * @return width of LCD in pixels
270 */
271int lcd_get_pixel_width(void);
272
273/**
274 * Get the height of the LCD in pixels
275 *
276 * @return height of LCD in pixels
277 */
278int lcd_get_pixel_height(void);
279
280/**
281 * Get the number of text lines/rows on the LCD
282 *
283 * @return number of rows
284 */
285int lcd_get_screen_rows(void);
286
287/**
288 * Get the number of text columns on the LCD
289 *
290 * @return number of columns
291 */
292int lcd_get_screen_columns(void);
293
294/**
Nikita Kiryanov4d036342014-12-08 17:14:43 +0200295 * Get the background color of the LCD
296 *
297 * @return background color value
298 */
299int lcd_getbgcolor(void);
300
301/**
302 * Get the foreground color of the LCD
303 *
304 * @return foreground color value
305 */
306int lcd_getfgcolor(void);
307
308/**
Vadim Bendebury395166c2012-09-28 15:11:13 +0000309 * Set the position of the text cursor
310 *
311 * @param col Column to place cursor (0 = left side)
312 * @param row Row to place cursor (0 = top line)
313 */
314void lcd_position_cursor(unsigned col, unsigned row);
315
Haavard Skinnemoen6b59e032008-09-01 16:21:22 +0200316/* Allow boards to customize the information displayed */
317void lcd_show_board_info(void);
wdenk8655b6f2004-10-09 23:25:58 +0000318
Simon Glass676d3192012-10-17 13:24:54 +0000319/* Return the size of the LCD frame buffer, and the line length */
320int lcd_get_size(int *line_length);
321
Stephen Warren6a195d22013-05-27 18:31:17 +0000322int lcd_dt_simplefb_add_node(void *blob);
323int lcd_dt_simplefb_enable_existing_node(void *blob);
324
Simon Glass7d95f2a2014-02-27 13:26:19 -0700325/* Update the LCD / flush the cache */
326void lcd_sync(void);
327
wdenk8655b6f2004-10-09 23:25:58 +0000328/************************************************************************/
329/* ** BITMAP DISPLAY SUPPORT */
330/************************************************************************/
Jon Loeliger639221c2007-07-09 17:15:49 -0500331#if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
wdenk8655b6f2004-10-09 23:25:58 +0000332# include <bmp_layout.h>
333# include <asm/byteorder.h>
Jon Loeliger639221c2007-07-09 17:15:49 -0500334#endif
wdenk8655b6f2004-10-09 23:25:58 +0000335
wdenk8655b6f2004-10-09 23:25:58 +0000336/*
337 * Information about displays we are using. This is for configuring
338 * the LCD controller and memory allocation. Someone has to know what
339 * is connected, as we can't autodetect anything.
340 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200341#define CONFIG_SYS_HIGH 0 /* Pins are active high */
Jeroen Hofstee6b035142013-01-12 12:07:56 +0000342#define CONFIG_SYS_LOW 1 /* Pins are active low */
wdenk8655b6f2004-10-09 23:25:58 +0000343
344#define LCD_MONOCHROME 0
345#define LCD_COLOR2 1
346#define LCD_COLOR4 2
347#define LCD_COLOR8 3
348#define LCD_COLOR16 4
Hannes Petermaier57d76a82014-03-07 18:55:40 +0100349#define LCD_COLOR32 5
wdenk8655b6f2004-10-09 23:25:58 +0000350/*----------------------------------------------------------------------*/
wdenk88804d12005-07-04 00:03:16 +0000351#if defined(CONFIG_LCD_INFO_BELOW_LOGO)
wdenk8655b6f2004-10-09 23:25:58 +0000352# define LCD_INFO_X 0
353# define LCD_INFO_Y (BMP_LOGO_HEIGHT + VIDEO_FONT_HEIGHT)
354#elif defined(CONFIG_LCD_LOGO)
355# define LCD_INFO_X (BMP_LOGO_WIDTH + 4 * VIDEO_FONT_WIDTH)
Jeroen Hofstee6b035142013-01-12 12:07:56 +0000356# define LCD_INFO_Y VIDEO_FONT_HEIGHT
wdenk8655b6f2004-10-09 23:25:58 +0000357#else
Jeroen Hofstee6b035142013-01-12 12:07:56 +0000358# define LCD_INFO_X VIDEO_FONT_WIDTH
359# define LCD_INFO_Y VIDEO_FONT_HEIGHT
wdenk8655b6f2004-10-09 23:25:58 +0000360#endif
361
362/* Default to 8bpp if bit depth not specified */
363#ifndef LCD_BPP
364# define LCD_BPP LCD_COLOR8
365#endif
366#ifndef LCD_DF
367# define LCD_DF 1
368#endif
369
370/* Calculate nr. of bits per pixel and nr. of colors */
371#define NBITS(bit_code) (1 << (bit_code))
372#define NCOLORS(bit_code) (1 << NBITS(bit_code))
373
374/************************************************************************/
375/* ** CONSOLE CONSTANTS */
376/************************************************************************/
Nikita Kiryanovf4469f52014-12-08 17:14:38 +0200377#if LCD_BPP == LCD_COLOR8
wdenk8655b6f2004-10-09 23:25:58 +0000378
379/*
380 * 8bpp color definitions
381 */
382# define CONSOLE_COLOR_BLACK 0
383# define CONSOLE_COLOR_RED 1
384# define CONSOLE_COLOR_GREEN 2
385# define CONSOLE_COLOR_YELLOW 3
386# define CONSOLE_COLOR_BLUE 4
387# define CONSOLE_COLOR_MAGENTA 5
388# define CONSOLE_COLOR_CYAN 6
389# define CONSOLE_COLOR_GREY 14
390# define CONSOLE_COLOR_WHITE 15 /* Must remain last / highest */
391
Hannes Petermaier57d76a82014-03-07 18:55:40 +0100392#elif LCD_BPP == LCD_COLOR32
393/*
394 * 32bpp color definitions
395 */
396# define CONSOLE_COLOR_RED 0x00ff0000
397# define CONSOLE_COLOR_GREEN 0x0000ff00
398# define CONSOLE_COLOR_YELLOW 0x00ffff00
399# define CONSOLE_COLOR_BLUE 0x000000ff
400# define CONSOLE_COLOR_MAGENTA 0x00ff00ff
401# define CONSOLE_COLOR_CYAN 0x0000ffff
402# define CONSOLE_COLOR_GREY 0x00aaaaaa
403# define CONSOLE_COLOR_BLACK 0x00000000
404# define CONSOLE_COLOR_WHITE 0x00ffffff /* Must remain last / highest*/
405# define NBYTES(bit_code) (NBITS(bit_code) >> 3)
406
wdenk8655b6f2004-10-09 23:25:58 +0000407#else
408
409/*
410 * 16bpp color definitions
411 */
412# define CONSOLE_COLOR_BLACK 0x0000
413# define CONSOLE_COLOR_WHITE 0xffff /* Must remain last / highest */
414
415#endif /* color definitions */
416
wdenk8655b6f2004-10-09 23:25:58 +0000417/************************************************************************/
418#ifndef PAGE_SIZE
419# define PAGE_SIZE 4096
420#endif
421
422/************************************************************************/
wdenk8655b6f2004-10-09 23:25:58 +0000423
424#endif /* _LCD_H_ */