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Tom Rini83d290c2018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
wdenk8655b6f2004-10-09 23:25:58 +00002/*
Nikita Kiryanovc8d2feb2015-02-03 13:32:29 +02003 * Common LCD routines
wdenk8655b6f2004-10-09 23:25:58 +00004 *
5 * (C) Copyright 2001-2002
6 * Wolfgang Denk, DENX Software Engineering -- wd@denx.de
wdenk8655b6f2004-10-09 23:25:58 +00007 */
8
wdenk8655b6f2004-10-09 23:25:58 +00009/* #define DEBUG */
wdenk8655b6f2004-10-09 23:25:58 +000010#include <config.h>
11#include <common.h>
12#include <command.h>
Simon Glass1eb69ae2019-11-14 12:57:39 -070013#include <cpu_func.h>
Nikita Kiryanovc0880482013-02-24 21:28:43 +000014#include <env_callback.h>
Simon Glassf7ae49f2020-05-10 11:40:05 -060015#include <log.h>
Simon Glass90526e92020-05-10 11:39:56 -060016#include <asm/cache.h>
Simon Glass691d7192020-05-10 11:40:02 -060017#include <init.h>
wdenk8655b6f2004-10-09 23:25:58 +000018#include <linux/types.h>
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +020019#include <stdio_dev.h>
wdenk8655b6f2004-10-09 23:25:58 +000020#include <lcd.h>
Joe Hershberger0eb25b62015-03-22 17:08:59 -050021#include <mapmem.h>
wdenk8b0bfc62005-04-03 23:11:38 +000022#include <watchdog.h>
Przemyslaw Marczakdca2a1c2014-01-22 11:24:13 +010023#include <asm/unaligned.h>
Robert Winklerdd4425e2013-06-17 11:31:29 -070024#include <splash.h>
Simon Glass7d95f2a2014-02-27 13:26:19 -070025#include <asm/io.h>
26#include <asm/unaligned.h>
Nikita Kiryanovc8d2feb2015-02-03 13:32:29 +020027#include <video_font.h>
Robert Winklerdd4425e2013-06-17 11:31:29 -070028
wdenk88804d12005-07-04 00:03:16 +000029#ifdef CONFIG_LCD_LOGO
Nikita Kiryanovc8d2feb2015-02-03 13:32:29 +020030#include <bmp_logo.h>
31#include <bmp_logo_data.h>
32#if (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET) && (LCD_BPP != LCD_COLOR16)
33#error Default Color Map overlaps with Logo Color Map
34#endif
wdenk88804d12005-07-04 00:03:16 +000035#endif
wdenk8655b6f2004-10-09 23:25:58 +000036
Simon Glass676d3192012-10-17 13:24:54 +000037#ifndef CONFIG_LCD_ALIGNMENT
38#define CONFIG_LCD_ALIGNMENT PAGE_SIZE
39#endif
40
Nikita Kiryanova7de2952014-12-08 17:14:42 +020041#if (LCD_BPP != LCD_COLOR8) && (LCD_BPP != LCD_COLOR16) && \
42 (LCD_BPP != LCD_COLOR32)
Nikita Kiryanovc8d2feb2015-02-03 13:32:29 +020043#error Unsupported LCD BPP.
Jeroen Hofsteea5796c52013-01-12 12:07:59 +000044#endif
45
Wolfgang Denkd87080b2006-03-31 18:32:53 +020046DECLARE_GLOBAL_DATA_PTR;
wdenk8655b6f2004-10-09 23:25:58 +000047
Nikita Kiryanov8f47d912012-05-24 01:42:38 +000048static int lcd_init(void *lcdbase);
Nikita Kiryanov7bf71d12015-02-03 13:32:32 +020049static void lcd_logo(void);
Nikita Kiryanov8f47d912012-05-24 01:42:38 +000050static void lcd_setfgcolor(int color);
51static void lcd_setbgcolor(int color);
wdenk8655b6f2004-10-09 23:25:58 +000052
Wolfgang Denk46d1d5d2013-01-05 09:45:48 +000053static int lcd_color_fg;
54static int lcd_color_bg;
Jeroen Hofsteef1d205a2013-01-22 10:44:11 +000055int lcd_line_length;
wdenk8655b6f2004-10-09 23:25:58 +000056char lcd_is_enabled = 0;
Jeroen Hofstee00a0ca52013-01-22 10:44:12 +000057static void *lcd_base; /* Start of framebuffer memory */
Simon Glass9a8efc42012-10-30 13:40:18 +000058static char lcd_flush_dcache; /* 1 to flush dcache after each lcd update */
59
Simon Glass9a8efc42012-10-30 13:40:18 +000060/* Flush LCD activity to the caches */
61void lcd_sync(void)
62{
63 /*
64 * flush_dcache_range() is declared in common.h but it seems that some
65 * architectures do not actually implement it. Is there a way to find
66 * out whether it exists? For now, ARM is safe.
67 */
Trevor Woerner10015022019-05-03 09:41:00 -040068#if defined(CONFIG_ARM) && !CONFIG_IS_ENABLED(SYS_DCACHE_OFF)
Simon Glass9a8efc42012-10-30 13:40:18 +000069 int line_length;
70
71 if (lcd_flush_dcache)
Alexander Graff8f58fb2016-03-16 15:41:22 +010072 flush_dcache_range((ulong)lcd_base,
73 (ulong)(lcd_base + lcd_get_size(&line_length)));
Simon Glass9a8efc42012-10-30 13:40:18 +000074#endif
75}
76
77void lcd_set_flush_dcache(int flush)
78{
79 lcd_flush_dcache = (flush != 0);
80}
81
Simon Glass709ea542014-07-23 06:54:59 -060082static void lcd_stub_putc(struct stdio_dev *dev, const char c)
83{
84 lcd_putc(c);
85}
86
Simon Glass709ea542014-07-23 06:54:59 -060087static void lcd_stub_puts(struct stdio_dev *dev, const char *s)
88{
89 lcd_puts(s);
90}
91
Nikita Kiryanovc8d2feb2015-02-03 13:32:29 +020092/* Small utility to check that you got the colours right */
wdenk8655b6f2004-10-09 23:25:58 +000093#ifdef LCD_TEST_PATTERN
94
Andreas Neubachere32951b2016-01-21 13:06:32 +010095#if LCD_BPP == LCD_COLOR8
wdenk8655b6f2004-10-09 23:25:58 +000096#define N_BLK_VERT 2
97#define N_BLK_HOR 3
98
Jeroen Hofstee6b035142013-01-12 12:07:56 +000099static int test_colors[N_BLK_HOR * N_BLK_VERT] = {
wdenk8655b6f2004-10-09 23:25:58 +0000100 CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW,
101 CONSOLE_COLOR_BLUE, CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN,
Andreas Neubachere32951b2016-01-21 13:06:32 +0100102}; /*LCD_BPP == LCD_COLOR8 */
103
104#elif LCD_BPP == LCD_COLOR16
105#define N_BLK_VERT 2
106#define N_BLK_HOR 4
107
108static int test_colors[N_BLK_HOR * N_BLK_VERT] = {
109 CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW, CONSOLE_COLOR_BLUE,
110 CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN, CONSOLE_COLOR_GREY, CONSOLE_COLOR_WHITE,
wdenk8655b6f2004-10-09 23:25:58 +0000111};
Andreas Neubachere32951b2016-01-21 13:06:32 +0100112#endif /*LCD_BPP == LCD_COLOR16 */
wdenk8655b6f2004-10-09 23:25:58 +0000113
Nikita Kiryanov8f47d912012-05-24 01:42:38 +0000114static void test_pattern(void)
wdenk8655b6f2004-10-09 23:25:58 +0000115{
116 ushort v_max = panel_info.vl_row;
117 ushort h_max = panel_info.vl_col;
118 ushort v_step = (v_max + N_BLK_VERT - 1) / N_BLK_VERT;
119 ushort h_step = (h_max + N_BLK_HOR - 1) / N_BLK_HOR;
120 ushort v, h;
Andreas Neubachere32951b2016-01-21 13:06:32 +0100121#if LCD_BPP == LCD_COLOR8
wdenk8655b6f2004-10-09 23:25:58 +0000122 uchar *pix = (uchar *)lcd_base;
Andreas Neubachere32951b2016-01-21 13:06:32 +0100123#elif LCD_BPP == LCD_COLOR16
124 ushort *pix = (ushort *)lcd_base;
125#endif
wdenk8655b6f2004-10-09 23:25:58 +0000126
Nikita Kiryanov8f47d912012-05-24 01:42:38 +0000127 printf("[LCD] Test Pattern: %d x %d [%d x %d]\n",
wdenk8655b6f2004-10-09 23:25:58 +0000128 h_max, v_max, h_step, v_step);
129
Nikita Kiryanov8f47d912012-05-24 01:42:38 +0000130 for (v = 0; v < v_max; ++v) {
wdenk8655b6f2004-10-09 23:25:58 +0000131 uchar iy = v / v_step;
Nikita Kiryanov8f47d912012-05-24 01:42:38 +0000132 for (h = 0; h < h_max; ++h) {
Jeroen Hofstee6b035142013-01-12 12:07:56 +0000133 uchar ix = N_BLK_HOR * iy + h / h_step;
wdenk8655b6f2004-10-09 23:25:58 +0000134 *pix++ = test_colors[ix];
135 }
136 }
137}
138#endif /* LCD_TEST_PATTERN */
139
Anatolij Gustschincefa4712013-11-09 11:00:09 +0100140/*
141 * With most lcd drivers the line length is set up
142 * by calculating it from panel_info parameters. Some
143 * drivers need to calculate the line length differently,
144 * so make the function weak to allow overriding it.
145 */
146__weak int lcd_get_size(int *line_length)
Simon Glass676d3192012-10-17 13:24:54 +0000147{
148 *line_length = (panel_info.vl_col * NBITS(panel_info.vl_bpix)) / 8;
149 return *line_length * panel_info.vl_row;
150}
151
Jeroen Hofstee6b035142013-01-12 12:07:56 +0000152int drv_lcd_init(void)
wdenk8655b6f2004-10-09 23:25:58 +0000153{
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200154 struct stdio_dev lcddev;
wdenk8655b6f2004-10-09 23:25:58 +0000155 int rc;
156
Simon Glass7d95f2a2014-02-27 13:26:19 -0700157 lcd_base = map_sysmem(gd->fb_base, 0);
wdenk8655b6f2004-10-09 23:25:58 +0000158
Nikita Kiryanovc8d2feb2015-02-03 13:32:29 +0200159 lcd_init(lcd_base);
wdenk8655b6f2004-10-09 23:25:58 +0000160
161 /* Device initialization */
Nikita Kiryanov8f47d912012-05-24 01:42:38 +0000162 memset(&lcddev, 0, sizeof(lcddev));
wdenk8655b6f2004-10-09 23:25:58 +0000163
Nikita Kiryanov8f47d912012-05-24 01:42:38 +0000164 strcpy(lcddev.name, "lcd");
wdenk8655b6f2004-10-09 23:25:58 +0000165 lcddev.ext = 0; /* No extensions */
166 lcddev.flags = DEV_FLAGS_OUTPUT; /* Output only */
Simon Glass709ea542014-07-23 06:54:59 -0600167 lcddev.putc = lcd_stub_putc; /* 'putc' function */
168 lcddev.puts = lcd_stub_puts; /* 'puts' function */
wdenk8655b6f2004-10-09 23:25:58 +0000169
Jeroen Hofstee6b035142013-01-12 12:07:56 +0000170 rc = stdio_register(&lcddev);
wdenk8655b6f2004-10-09 23:25:58 +0000171
172 return (rc == 0) ? 1 : rc;
173}
174
Che-Liang Chiou02110902011-10-20 23:07:03 +0000175void lcd_clear(void)
wdenk8655b6f2004-10-09 23:25:58 +0000176{
Nikita Kiryanov4d036342014-12-08 17:14:43 +0200177 int bg_color;
Igor Opaniuk5eb83c02019-05-29 09:01:43 +0000178 __maybe_unused ulong addr;
Nikita Kiryanov7bf71d12015-02-03 13:32:32 +0200179 static int do_splash = 1;
Nikita Kiryanovf4469f52014-12-08 17:14:38 +0200180#if LCD_BPP == LCD_COLOR8
wdenk8655b6f2004-10-09 23:25:58 +0000181 /* Setting the palette */
Nikita Kiryanov8f47d912012-05-24 01:42:38 +0000182 lcd_setcolreg(CONSOLE_COLOR_BLACK, 0, 0, 0);
183 lcd_setcolreg(CONSOLE_COLOR_RED, 0xFF, 0, 0);
184 lcd_setcolreg(CONSOLE_COLOR_GREEN, 0, 0xFF, 0);
185 lcd_setcolreg(CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0);
186 lcd_setcolreg(CONSOLE_COLOR_BLUE, 0, 0, 0xFF);
187 lcd_setcolreg(CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF);
188 lcd_setcolreg(CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF);
189 lcd_setcolreg(CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA);
190 lcd_setcolreg(CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF);
wdenk8655b6f2004-10-09 23:25:58 +0000191#endif
192
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200193#ifndef CONFIG_SYS_WHITE_ON_BLACK
Nikita Kiryanov8f47d912012-05-24 01:42:38 +0000194 lcd_setfgcolor(CONSOLE_COLOR_BLACK);
195 lcd_setbgcolor(CONSOLE_COLOR_WHITE);
Nikita Kiryanov4d036342014-12-08 17:14:43 +0200196 bg_color = CONSOLE_COLOR_WHITE;
wdenk8655b6f2004-10-09 23:25:58 +0000197#else
Nikita Kiryanov8f47d912012-05-24 01:42:38 +0000198 lcd_setfgcolor(CONSOLE_COLOR_WHITE);
199 lcd_setbgcolor(CONSOLE_COLOR_BLACK);
Nikita Kiryanov4d036342014-12-08 17:14:43 +0200200 bg_color = CONSOLE_COLOR_BLACK;
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200201#endif /* CONFIG_SYS_WHITE_ON_BLACK */
wdenk8655b6f2004-10-09 23:25:58 +0000202
203#ifdef LCD_TEST_PATTERN
204 test_pattern();
205#else
206 /* set framebuffer to background color */
Hannes Petermaier57d76a82014-03-07 18:55:40 +0100207#if (LCD_BPP != LCD_COLOR32)
Nikita Kiryanov4d036342014-12-08 17:14:43 +0200208 memset((char *)lcd_base, bg_color, lcd_line_length * panel_info.vl_row);
Hannes Petermaier57d76a82014-03-07 18:55:40 +0100209#else
210 u32 *ppix = lcd_base;
211 u32 i;
212 for (i = 0;
213 i < (lcd_line_length * panel_info.vl_row)/NBYTES(panel_info.vl_bpix);
214 i++) {
Nikita Kiryanov4d036342014-12-08 17:14:43 +0200215 *ppix++ = bg_color;
Hannes Petermaier57d76a82014-03-07 18:55:40 +0100216 }
217#endif
wdenk8655b6f2004-10-09 23:25:58 +0000218#endif
Hannes Petermaier604c7d42015-03-27 08:01:38 +0100219 /* setup text-console */
220 debug("[LCD] setting up console...\n");
221 lcd_init_console(lcd_base,
222 panel_info.vl_col,
223 panel_info.vl_row,
224 panel_info.vl_rot);
wdenk8655b6f2004-10-09 23:25:58 +0000225 /* Paint the logo and retrieve LCD base address */
Nikita Kiryanov8f47d912012-05-24 01:42:38 +0000226 debug("[LCD] Drawing the logo...\n");
Nikita Kiryanov7bf71d12015-02-03 13:32:32 +0200227 if (do_splash) {
Igor Opaniuk5eb83c02019-05-29 09:01:43 +0000228 if (splash_display() == 0) {
Nikita Kiryanov7bf71d12015-02-03 13:32:32 +0200229 do_splash = 0;
Igor Opaniuk5eb83c02019-05-29 09:01:43 +0000230 lcd_sync();
231 return;
Nikita Kiryanov7bf71d12015-02-03 13:32:32 +0200232 }
233 }
234
235 lcd_logo();
236#if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
237 addr = (ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length;
Marcel Ziswiler3b96b902015-08-04 15:49:50 +0200238 lcd_init_console((void *)addr, panel_info.vl_col,
239 panel_info.vl_row, panel_info.vl_rot);
Nikita Kiryanov7bf71d12015-02-03 13:32:32 +0200240#endif
Simon Glass9a8efc42012-10-30 13:40:18 +0000241 lcd_sync();
242}
243
Nikita Kiryanov8f47d912012-05-24 01:42:38 +0000244static int lcd_init(void *lcdbase)
wdenk8655b6f2004-10-09 23:25:58 +0000245{
Nikita Kiryanov8f47d912012-05-24 01:42:38 +0000246 debug("[LCD] Initializing LCD frambuffer at %p\n", lcdbase);
Nikita Kiryanov8f47d912012-05-24 01:42:38 +0000247 lcd_ctrl_init(lcdbase);
Anatolij Gustschin1d3dea12013-03-29 14:00:13 +0100248
249 /*
Stephen Warren9316e142014-11-19 20:41:03 -0700250 * lcd_ctrl_init() of some drivers (i.e. bcm2835 on rpi) ignores
Anatolij Gustschin1d3dea12013-03-29 14:00:13 +0100251 * the 'lcdbase' argument and uses custom lcd base address
252 * by setting up gd->fb_base. Check for this condition and fixup
253 * 'lcd_base' address.
254 */
Simon Glass7d95f2a2014-02-27 13:26:19 -0700255 if (map_to_sysmem(lcdbase) != gd->fb_base)
256 lcd_base = map_sysmem(gd->fb_base, 0);
Anatolij Gustschin1d3dea12013-03-29 14:00:13 +0100257
258 debug("[LCD] Using LCD frambuffer at %p\n", lcd_base);
259
Stephen Warren6d330712013-01-29 16:37:38 +0000260 lcd_get_size(&lcd_line_length);
Haavard Skinnemoen6f93d2b2008-09-01 16:21:21 +0200261 lcd_is_enabled = 1;
Che-Liang Chiou02110902011-10-20 23:07:03 +0000262 lcd_clear();
Jeroen Hofstee6b035142013-01-12 12:07:56 +0000263 lcd_enable();
wdenk8655b6f2004-10-09 23:25:58 +0000264
265 /* Initialize the console */
Nikita Kiryanov140beb92014-12-08 17:14:41 +0200266 lcd_set_col(0);
wdenk88804d12005-07-04 00:03:16 +0000267#ifdef CONFIG_LCD_INFO_BELOW_LOGO
Nikita Kiryanov140beb92014-12-08 17:14:41 +0200268 lcd_set_row(7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT);
wdenk8655b6f2004-10-09 23:25:58 +0000269#else
Nikita Kiryanov140beb92014-12-08 17:14:41 +0200270 lcd_set_row(1); /* leave 1 blank line below logo */
wdenk8655b6f2004-10-09 23:25:58 +0000271#endif
wdenk8655b6f2004-10-09 23:25:58 +0000272
273 return 0;
274}
275
wdenk8655b6f2004-10-09 23:25:58 +0000276/*
277 * This is called early in the system initialization to grab memory
278 * for the LCD controller.
279 * Returns new address for monitor, after reserving LCD buffer memory
280 *
281 * Note that this is running from ROM, so no write access to global data.
282 */
Nikita Kiryanov8f47d912012-05-24 01:42:38 +0000283ulong lcd_setmem(ulong addr)
wdenk8655b6f2004-10-09 23:25:58 +0000284{
285 ulong size;
Simon Glass676d3192012-10-17 13:24:54 +0000286 int line_length;
wdenk8655b6f2004-10-09 23:25:58 +0000287
Nikita Kiryanov8f47d912012-05-24 01:42:38 +0000288 debug("LCD panel info: %d x %d, %d bit/pix\n", panel_info.vl_col,
289 panel_info.vl_row, NBITS(panel_info.vl_bpix));
wdenk8655b6f2004-10-09 23:25:58 +0000290
Simon Glass676d3192012-10-17 13:24:54 +0000291 size = lcd_get_size(&line_length);
wdenk8655b6f2004-10-09 23:25:58 +0000292
Simon Glass676d3192012-10-17 13:24:54 +0000293 /* Round up to nearest full page, or MMU section if defined */
294 size = ALIGN(size, CONFIG_LCD_ALIGNMENT);
295 addr = ALIGN(addr - CONFIG_LCD_ALIGNMENT + 1, CONFIG_LCD_ALIGNMENT);
wdenk8655b6f2004-10-09 23:25:58 +0000296
297 /* Allocate pages for the frame buffer. */
298 addr -= size;
299
Jeroen Hofstee6b035142013-01-12 12:07:56 +0000300 debug("Reserving %ldk for LCD Framebuffer at: %08lx\n",
301 size >> 10, addr);
wdenk8655b6f2004-10-09 23:25:58 +0000302
Nikita Kiryanov8f47d912012-05-24 01:42:38 +0000303 return addr;
wdenk8655b6f2004-10-09 23:25:58 +0000304}
305
Nikita Kiryanov8f47d912012-05-24 01:42:38 +0000306static void lcd_setfgcolor(int color)
wdenk8655b6f2004-10-09 23:25:58 +0000307{
Stelian Pop39cf4802008-05-09 21:57:18 +0200308 lcd_color_fg = color;
wdenk8655b6f2004-10-09 23:25:58 +0000309}
310
Nikita Kiryanov4d036342014-12-08 17:14:43 +0200311int lcd_getfgcolor(void)
312{
313 return lcd_color_fg;
314}
315
Nikita Kiryanov8f47d912012-05-24 01:42:38 +0000316static void lcd_setbgcolor(int color)
wdenk8655b6f2004-10-09 23:25:58 +0000317{
Stelian Pop39cf4802008-05-09 21:57:18 +0200318 lcd_color_bg = color;
wdenk8655b6f2004-10-09 23:25:58 +0000319}
320
Nikita Kiryanov4d036342014-12-08 17:14:43 +0200321int lcd_getbgcolor(void)
322{
323 return lcd_color_bg;
324}
325
wdenk8655b6f2004-10-09 23:25:58 +0000326#ifdef CONFIG_LCD_LOGO
Nikita Kiryanova02e9482015-02-03 13:32:24 +0200327__weak void lcd_logo_set_cmap(void)
328{
Nikita Kiryanov23064572015-02-03 13:32:26 +0200329 int i;
330 ushort *cmap = configuration_get_cmap();
331
332 for (i = 0; i < ARRAY_SIZE(bmp_logo_palette); ++i)
333 *cmap++ = bmp_logo_palette[i];
Nikita Kiryanova02e9482015-02-03 13:32:24 +0200334}
335
Nikita Kiryanovbf21a5d2015-02-03 13:32:30 +0200336void lcd_logo_plot(int x, int y)
wdenk8655b6f2004-10-09 23:25:58 +0000337{
wdenk8655b6f2004-10-09 23:25:58 +0000338 ushort i, j;
Nikita Kiryanovc8d2feb2015-02-03 13:32:29 +0200339 uchar *bmap = &bmp_logo_bitmap[0];
Andre Renaud317461c2013-02-13 17:48:00 +0000340 unsigned bpix = NBITS(panel_info.vl_bpix);
Nikita Kiryanovc8d2feb2015-02-03 13:32:29 +0200341 uchar *fb = (uchar *)(lcd_base + y * lcd_line_length + x * bpix / 8);
342 ushort *fb16;
wdenk8655b6f2004-10-09 23:25:58 +0000343
Nikita Kiryanov23064572015-02-03 13:32:26 +0200344 debug("Logo: width %d height %d colors %d\n",
345 BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS);
wdenk8655b6f2004-10-09 23:25:58 +0000346
Andre Renaud317461c2013-02-13 17:48:00 +0000347 if (bpix < 12) {
wdenk8655b6f2004-10-09 23:25:58 +0000348 WATCHDOG_RESET();
Nikita Kiryanova02e9482015-02-03 13:32:24 +0200349 lcd_logo_set_cmap();
wdenk8655b6f2004-10-09 23:25:58 +0000350 WATCHDOG_RESET();
351
Nikita Kiryanov8f47d912012-05-24 01:42:38 +0000352 for (i = 0; i < BMP_LOGO_HEIGHT; ++i) {
353 memcpy(fb, bmap, BMP_LOGO_WIDTH);
wdenk8655b6f2004-10-09 23:25:58 +0000354 bmap += BMP_LOGO_WIDTH;
Jeroen Hofstee6b035142013-01-12 12:07:56 +0000355 fb += panel_info.vl_col;
wdenk8655b6f2004-10-09 23:25:58 +0000356 }
357 }
358 else { /* true color mode */
Alessandro Rubiniacb13862010-03-13 17:44:08 +0100359 u16 col16;
Andre Renaud317461c2013-02-13 17:48:00 +0000360 fb16 = (ushort *)fb;
Nikita Kiryanov8f47d912012-05-24 01:42:38 +0000361 for (i = 0; i < BMP_LOGO_HEIGHT; ++i) {
362 for (j = 0; j < BMP_LOGO_WIDTH; j++) {
Alessandro Rubiniacb13862010-03-13 17:44:08 +0100363 col16 = bmp_logo_palette[(bmap[j]-16)];
364 fb16[j] =
365 ((col16 & 0x000F) << 1) |
366 ((col16 & 0x00F0) << 3) |
367 ((col16 & 0x0F00) << 4);
wdenk8655b6f2004-10-09 23:25:58 +0000368 }
369 bmap += BMP_LOGO_WIDTH;
370 fb16 += panel_info.vl_col;
371 }
372 }
373
374 WATCHDOG_RESET();
Simon Glass9a8efc42012-10-30 13:40:18 +0000375 lcd_sync();
wdenk8655b6f2004-10-09 23:25:58 +0000376}
Anatolij Gustschin2b5cb3d2012-04-27 04:41:27 +0000377#else
Nikita Kiryanovbf21a5d2015-02-03 13:32:30 +0200378static inline void lcd_logo_plot(int x, int y) {}
wdenk8655b6f2004-10-09 23:25:58 +0000379#endif /* CONFIG_LCD_LOGO */
380
Jon Loeligerc3517f92007-07-08 18:10:08 -0500381#if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
Matthias Weisser1ca298c2009-07-09 16:07:30 +0200382#ifdef CONFIG_SPLASH_SCREEN_ALIGN
Nikita Kiryanov7c7e2802012-08-09 00:14:51 +0000383
384static void splash_align_axis(int *axis, unsigned long panel_size,
385 unsigned long picture_size)
386{
387 unsigned long panel_picture_delta = panel_size - picture_size;
388 unsigned long axis_alignment;
389
390 if (*axis == BMP_ALIGN_CENTER)
391 axis_alignment = panel_picture_delta / 2;
392 else if (*axis < 0)
393 axis_alignment = panel_picture_delta + *axis + 1;
394 else
395 return;
396
Masahiro Yamadab4141192014-11-07 03:03:31 +0900397 *axis = max(0, (int)axis_alignment);
Nikita Kiryanov7c7e2802012-08-09 00:14:51 +0000398}
Matthias Weisser1ca298c2009-07-09 16:07:30 +0200399#endif
400
Tom Wai-Hong Tam45d7f522012-09-28 15:11:16 +0000401#ifdef CONFIG_LCD_BMP_RLE8
Tom Wai-Hong Tam45d7f522012-09-28 15:11:16 +0000402#define BMP_RLE8_ESCAPE 0
403#define BMP_RLE8_EOL 0
404#define BMP_RLE8_EOBMP 1
405#define BMP_RLE8_DELTA 2
406
407static void draw_unencoded_bitmap(ushort **fbp, uchar *bmap, ushort *cmap,
408 int cnt)
409{
410 while (cnt > 0) {
411 *(*fbp)++ = cmap[*bmap++];
412 cnt--;
413 }
414}
415
416static void draw_encoded_bitmap(ushort **fbp, ushort c, int cnt)
417{
418 ushort *fb = *fbp;
419 int cnt_8copy = cnt >> 3;
420
421 cnt -= cnt_8copy << 3;
422 while (cnt_8copy > 0) {
423 *fb++ = c;
424 *fb++ = c;
425 *fb++ = c;
426 *fb++ = c;
427 *fb++ = c;
428 *fb++ = c;
429 *fb++ = c;
430 *fb++ = c;
431 cnt_8copy--;
432 }
433 while (cnt > 0) {
434 *fb++ = c;
435 cnt--;
436 }
Jeroen Hofstee6b035142013-01-12 12:07:56 +0000437 *fbp = fb;
Tom Wai-Hong Tam45d7f522012-09-28 15:11:16 +0000438}
439
440/*
Jeroen Hofstee6b035142013-01-12 12:07:56 +0000441 * Do not call this function directly, must be called from lcd_display_bitmap.
Tom Wai-Hong Tam45d7f522012-09-28 15:11:16 +0000442 */
Simon Glass1c3dbe52015-05-13 07:02:27 -0600443static void lcd_display_rle8_bitmap(struct bmp_image *bmp, ushort *cmap,
444 uchar *fb, int x_off, int y_off)
Tom Wai-Hong Tam45d7f522012-09-28 15:11:16 +0000445{
446 uchar *bmap;
447 ulong width, height;
448 ulong cnt, runlen;
449 int x, y;
450 int decode = 1;
451
Przemyslaw Marczakdca2a1c2014-01-22 11:24:13 +0100452 width = get_unaligned_le32(&bmp->header.width);
453 height = get_unaligned_le32(&bmp->header.height);
454 bmap = (uchar *)bmp + get_unaligned_le32(&bmp->header.data_offset);
Tom Wai-Hong Tam45d7f522012-09-28 15:11:16 +0000455
456 x = 0;
457 y = height - 1;
458
459 while (decode) {
460 if (bmap[0] == BMP_RLE8_ESCAPE) {
461 switch (bmap[1]) {
462 case BMP_RLE8_EOL:
463 /* end of line */
464 bmap += 2;
465 x = 0;
466 y--;
467 /* 16bpix, 2-byte per pixel, width should *2 */
468 fb -= (width * 2 + lcd_line_length);
469 break;
470 case BMP_RLE8_EOBMP:
471 /* end of bitmap */
472 decode = 0;
473 break;
474 case BMP_RLE8_DELTA:
475 /* delta run */
476 x += bmap[2];
477 y -= bmap[3];
478 /* 16bpix, 2-byte per pixel, x should *2 */
479 fb = (uchar *) (lcd_base + (y + y_off - 1)
480 * lcd_line_length + (x + x_off) * 2);
481 bmap += 4;
482 break;
483 default:
484 /* unencoded run */
485 runlen = bmap[1];
486 bmap += 2;
487 if (y < height) {
488 if (x < width) {
489 if (x + runlen > width)
490 cnt = width - x;
491 else
492 cnt = runlen;
493 draw_unencoded_bitmap(
494 (ushort **)&fb,
495 bmap, cmap, cnt);
496 }
497 x += runlen;
498 }
499 bmap += runlen;
500 if (runlen & 1)
501 bmap++;
502 }
503 } else {
504 /* encoded run */
505 if (y < height) {
506 runlen = bmap[0];
507 if (x < width) {
508 /* aggregate the same code */
509 while (bmap[0] == 0xff &&
510 bmap[2] != BMP_RLE8_ESCAPE &&
511 bmap[1] == bmap[3]) {
512 runlen += bmap[2];
513 bmap += 2;
514 }
515 if (x + runlen > width)
516 cnt = width - x;
517 else
518 cnt = runlen;
519 draw_encoded_bitmap((ushort **)&fb,
520 cmap[bmap[1]], cnt);
521 }
522 x += runlen;
523 }
524 bmap += 2;
525 }
526 }
527}
528#endif
529
Nikita Kiryanov27fad012015-02-03 13:32:23 +0200530__weak void fb_put_byte(uchar **fb, uchar **from)
531{
532 *(*fb)++ = *(*from)++;
533}
Nikita Kiryanovbfdcc652012-08-09 00:14:53 +0000534
535#if defined(CONFIG_BMP_16BPP)
Nikita Kiryanovb3d12e92015-02-03 13:32:22 +0200536__weak void fb_put_word(uchar **fb, uchar **from)
Nikita Kiryanovbfdcc652012-08-09 00:14:53 +0000537{
538 *(*fb)++ = *(*from)++;
539 *(*fb)++ = *(*from)++;
540}
Nikita Kiryanovbfdcc652012-08-09 00:14:53 +0000541#endif /* CONFIG_BMP_16BPP */
542
Simon Glass1c3dbe52015-05-13 07:02:27 -0600543__weak void lcd_set_cmap(struct bmp_image *bmp, unsigned colors)
Nikita Kiryanov0b29a892015-02-03 13:32:27 +0200544{
545 int i;
Simon Glass1c3dbe52015-05-13 07:02:27 -0600546 struct bmp_color_table_entry cte;
Nikita Kiryanov0b29a892015-02-03 13:32:27 +0200547 ushort *cmap = configuration_get_cmap();
548
549 for (i = 0; i < colors; ++i) {
550 cte = bmp->color_table[i];
551 *cmap = (((cte.red) << 8) & 0xf800) |
552 (((cte.green) << 3) & 0x07e0) |
553 (((cte.blue) >> 3) & 0x001f);
Nikita Kiryanov0b29a892015-02-03 13:32:27 +0200554 cmap++;
Nikita Kiryanov0b29a892015-02-03 13:32:27 +0200555 }
556}
557
wdenk8655b6f2004-10-09 23:25:58 +0000558int lcd_display_bitmap(ulong bmp_image, int x, int y)
559{
Anatolij Gustschin00cc5592009-02-25 20:28:13 +0100560 ushort *cmap_base = NULL;
wdenk8655b6f2004-10-09 23:25:58 +0000561 ushort i, j;
562 uchar *fb;
Simon Glass1c3dbe52015-05-13 07:02:27 -0600563 struct bmp_image *bmp = (struct bmp_image *)map_sysmem(bmp_image, 0);
wdenk8655b6f2004-10-09 23:25:58 +0000564 uchar *bmap;
Tom Wai-Hong Tamfecac462012-09-28 15:11:14 +0000565 ushort padded_width;
Guennadi Liakhovetskib245e652009-02-06 10:37:53 +0100566 unsigned long width, height, byte_width;
Wolfgang Denke8143e72006-08-30 23:09:00 +0200567 unsigned long pwidth = panel_info.vl_col;
Guennadi Liakhovetskib245e652009-02-06 10:37:53 +0100568 unsigned colors, bpix, bmp_bpix;
Simon Glass8d379f12015-05-13 07:02:28 -0600569 int hdr_size;
xypron.glpk@gmx.de021414a2017-07-30 21:59:23 +0200570 struct bmp_color_table_entry *palette;
wdenk8655b6f2004-10-09 23:25:58 +0000571
Jeroen Hofstee6b035142013-01-12 12:07:56 +0000572 if (!bmp || !(bmp->header.signature[0] == 'B' &&
573 bmp->header.signature[1] == 'M')) {
Nikita Kiryanov8f47d912012-05-24 01:42:38 +0000574 printf("Error: no valid bmp image at %lx\n", bmp_image);
575
wdenk8655b6f2004-10-09 23:25:58 +0000576 return 1;
Guennadi Liakhovetskib245e652009-02-06 10:37:53 +0100577 }
wdenk8655b6f2004-10-09 23:25:58 +0000578
xypron.glpk@gmx.de021414a2017-07-30 21:59:23 +0200579 palette = bmp->color_table;
Przemyslaw Marczakdca2a1c2014-01-22 11:24:13 +0100580 width = get_unaligned_le32(&bmp->header.width);
581 height = get_unaligned_le32(&bmp->header.height);
582 bmp_bpix = get_unaligned_le16(&bmp->header.bit_count);
Simon Glass8d379f12015-05-13 07:02:28 -0600583 hdr_size = get_unaligned_le16(&bmp->header.size);
584 debug("hdr_size=%d, bmp_bpix=%d\n", hdr_size, bmp_bpix);
Przemyslaw Marczakdca2a1c2014-01-22 11:24:13 +0100585
Guennadi Liakhovetskib245e652009-02-06 10:37:53 +0100586 colors = 1 << bmp_bpix;
wdenk8655b6f2004-10-09 23:25:58 +0000587
588 bpix = NBITS(panel_info.vl_bpix);
589
Jeroen Hofstee6b035142013-01-12 12:07:56 +0000590 if (bpix != 1 && bpix != 8 && bpix != 16 && bpix != 32) {
Guennadi Liakhovetskib245e652009-02-06 10:37:53 +0100591 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
592 bpix, bmp_bpix);
Nikita Kiryanov8f47d912012-05-24 01:42:38 +0000593
wdenk8655b6f2004-10-09 23:25:58 +0000594 return 1;
595 }
596
Hannes Petermaiera305fb12014-07-15 16:28:46 +0200597 /*
598 * We support displaying 8bpp BMPs on 16bpp LCDs
599 * and displaying 24bpp BMPs on 32bpp LCDs
600 * */
601 if (bpix != bmp_bpix &&
602 !(bmp_bpix == 8 && bpix == 16) &&
603 !(bmp_bpix == 24 && bpix == 32)) {
wdenk8655b6f2004-10-09 23:25:58 +0000604 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
Przemyslaw Marczakdca2a1c2014-01-22 11:24:13 +0100605 bpix, get_unaligned_le16(&bmp->header.bit_count));
wdenk8655b6f2004-10-09 23:25:58 +0000606 return 1;
607 }
608
Simon Glass8d379f12015-05-13 07:02:28 -0600609 debug("Display-bmp: %d x %d with %d colors, display %d\n",
610 (int)width, (int)height, (int)colors, 1 << bpix);
wdenk8655b6f2004-10-09 23:25:58 +0000611
Nikita Kiryanov0b29a892015-02-03 13:32:27 +0200612 if (bmp_bpix == 8)
613 lcd_set_cmap(bmp, colors);
Wolfgang Denke8143e72006-08-30 23:09:00 +0200614
Jeroen Hofstee6b035142013-01-12 12:07:56 +0000615 padded_width = (width & 0x3 ? (width & ~0x3) + 4 : width);
Matthias Weisser1ca298c2009-07-09 16:07:30 +0200616
617#ifdef CONFIG_SPLASH_SCREEN_ALIGN
Nikita Kiryanov7c7e2802012-08-09 00:14:51 +0000618 splash_align_axis(&x, pwidth, width);
619 splash_align_axis(&y, panel_info.vl_row, height);
Matthias Weisser1ca298c2009-07-09 16:07:30 +0200620#endif /* CONFIG_SPLASH_SCREEN_ALIGN */
621
Nikita Kiryanov8f47d912012-05-24 01:42:38 +0000622 if ((x + width) > pwidth)
Wolfgang Denke8143e72006-08-30 23:09:00 +0200623 width = pwidth - x;
Nikita Kiryanov8f47d912012-05-24 01:42:38 +0000624 if ((y + height) > panel_info.vl_row)
wdenk8655b6f2004-10-09 23:25:58 +0000625 height = panel_info.vl_row - y;
626
Przemyslaw Marczakdca2a1c2014-01-22 11:24:13 +0100627 bmap = (uchar *)bmp + get_unaligned_le32(&bmp->header.data_offset);
628 fb = (uchar *)(lcd_base +
Liu Ying8d46d5b2011-01-11 15:29:58 +0800629 (y + height - 1) * lcd_line_length + x * bpix / 8);
Mark Jacksona303dfb2009-02-06 10:37:49 +0100630
Guennadi Liakhovetskib245e652009-02-06 10:37:53 +0100631 switch (bmp_bpix) {
Nikita Kiryanovc8d2feb2015-02-03 13:32:29 +0200632 case 1:
Simon Glass01564442014-10-15 04:53:04 -0600633 case 8: {
Nikita Kiryanov0b29a892015-02-03 13:32:27 +0200634 cmap_base = configuration_get_cmap();
Tom Wai-Hong Tam45d7f522012-09-28 15:11:16 +0000635#ifdef CONFIG_LCD_BMP_RLE8
Przemyslaw Marczakdca2a1c2014-01-22 11:24:13 +0100636 u32 compression = get_unaligned_le32(&bmp->header.compression);
Simon Glass8d379f12015-05-13 07:02:28 -0600637 debug("compressed %d %d\n", compression, BMP_BI_RLE8);
Przemyslaw Marczakdca2a1c2014-01-22 11:24:13 +0100638 if (compression == BMP_BI_RLE8) {
Tom Wai-Hong Tam45d7f522012-09-28 15:11:16 +0000639 if (bpix != 16) {
640 /* TODO implement render code for bpix != 16 */
641 printf("Error: only support 16 bpix");
642 return 1;
643 }
644 lcd_display_rle8_bitmap(bmp, cmap_base, fb, x, y);
645 break;
646 }
647#endif
648
Guennadi Liakhovetskib245e652009-02-06 10:37:53 +0100649 if (bpix != 16)
650 byte_width = width;
651 else
652 byte_width = width * 2;
653
Mark Jacksona303dfb2009-02-06 10:37:49 +0100654 for (i = 0; i < height; ++i) {
655 WATCHDOG_RESET();
Guennadi Liakhovetskib245e652009-02-06 10:37:53 +0100656 for (j = 0; j < width; j++) {
657 if (bpix != 16) {
Nikita Kiryanov27fad012015-02-03 13:32:23 +0200658 fb_put_byte(&fb, &bmap);
Guennadi Liakhovetskib245e652009-02-06 10:37:53 +0100659 } else {
Simon Glass8d379f12015-05-13 07:02:28 -0600660 struct bmp_color_table_entry *entry;
661 uint val;
662
663 if (cmap_base) {
664 val = cmap_base[*bmap];
665 } else {
666 entry = &palette[*bmap];
667 val = entry->blue >> 3 |
668 entry->green >> 2 << 5 |
669 entry->red >> 3 << 11;
670 }
671 *(uint16_t *)fb = val;
672 bmap++;
Guennadi Liakhovetskib245e652009-02-06 10:37:53 +0100673 fb += sizeof(uint16_t) / sizeof(*fb);
674 }
675 }
Tom Wai-Hong Tamfecac462012-09-28 15:11:14 +0000676 bmap += (padded_width - width);
Jeroen Hofstee6b035142013-01-12 12:07:56 +0000677 fb -= byte_width + lcd_line_length;
Mark Jacksona303dfb2009-02-06 10:37:49 +0100678 }
679 break;
Simon Glass01564442014-10-15 04:53:04 -0600680 }
Mark Jacksona303dfb2009-02-06 10:37:49 +0100681#if defined(CONFIG_BMP_16BPP)
682 case 16:
683 for (i = 0; i < height; ++i) {
684 WATCHDOG_RESET();
Nikita Kiryanovbfdcc652012-08-09 00:14:53 +0000685 for (j = 0; j < width; j++)
686 fb_put_word(&fb, &bmap);
687
Tom Wai-Hong Tamfecac462012-09-28 15:11:14 +0000688 bmap += (padded_width - width) * 2;
Jeroen Hofstee6b035142013-01-12 12:07:56 +0000689 fb -= width * 2 + lcd_line_length;
Mark Jacksona303dfb2009-02-06 10:37:49 +0100690 }
691 break;
692#endif /* CONFIG_BMP_16BPP */
Philipp Tomsich10ba6b32017-05-05 21:48:30 +0200693#if defined(CONFIG_BMP_24BPP)
Hannes Petermaiera305fb12014-07-15 16:28:46 +0200694 case 24:
695 for (i = 0; i < height; ++i) {
696 for (j = 0; j < width; j++) {
697 *(fb++) = *(bmap++);
698 *(fb++) = *(bmap++);
699 *(fb++) = *(bmap++);
700 *(fb++) = 0;
701 }
702 fb -= lcd_line_length + width * (bpix / 8);
703 }
704 break;
Philipp Tomsich10ba6b32017-05-05 21:48:30 +0200705#endif /* CONFIG_BMP_24BPP */
Donghwa Leefb6a9aa2012-05-09 19:23:37 +0000706#if defined(CONFIG_BMP_32BPP)
707 case 32:
708 for (i = 0; i < height; ++i) {
709 for (j = 0; j < width; j++) {
710 *(fb++) = *(bmap++);
711 *(fb++) = *(bmap++);
712 *(fb++) = *(bmap++);
713 *(fb++) = *(bmap++);
714 }
Jeroen Hofstee6b035142013-01-12 12:07:56 +0000715 fb -= lcd_line_length + width * (bpix / 8);
Donghwa Leefb6a9aa2012-05-09 19:23:37 +0000716 }
717 break;
718#endif /* CONFIG_BMP_32BPP */
Mark Jacksona303dfb2009-02-06 10:37:49 +0100719 default:
720 break;
721 };
wdenk8655b6f2004-10-09 23:25:58 +0000722
Simon Glass9a8efc42012-10-30 13:40:18 +0000723 lcd_sync();
Nikita Kiryanov8f47d912012-05-24 01:42:38 +0000724 return 0;
wdenk8655b6f2004-10-09 23:25:58 +0000725}
Jon Loeligerc3517f92007-07-08 18:10:08 -0500726#endif
wdenk8655b6f2004-10-09 23:25:58 +0000727
Nikita Kiryanov7bf71d12015-02-03 13:32:32 +0200728static void lcd_logo(void)
wdenk8655b6f2004-10-09 23:25:58 +0000729{
Nikita Kiryanovbf21a5d2015-02-03 13:32:30 +0200730 lcd_logo_plot(0, 0);
wdenk8655b6f2004-10-09 23:25:58 +0000731
Haavard Skinnemoen6b59e032008-09-01 16:21:22 +0200732#ifdef CONFIG_LCD_INFO
Nikita Kiryanov140beb92014-12-08 17:14:41 +0200733 lcd_set_col(LCD_INFO_X / VIDEO_FONT_WIDTH);
734 lcd_set_row(LCD_INFO_Y / VIDEO_FONT_HEIGHT);
Haavard Skinnemoen6b59e032008-09-01 16:21:22 +0200735 lcd_show_board_info();
736#endif /* CONFIG_LCD_INFO */
wdenk8655b6f2004-10-09 23:25:58 +0000737}
738
Nikita Kiryanovc0880482013-02-24 21:28:43 +0000739#ifdef CONFIG_SPLASHIMAGE_GUARD
740static int on_splashimage(const char *name, const char *value, enum env_op op,
741 int flags)
742{
743 ulong addr;
744 int aligned;
745
746 if (op == env_op_delete)
747 return 0;
748
749 addr = simple_strtoul(value, NULL, 16);
750 /* See README.displaying-bmps */
751 aligned = (addr % 4 == 2);
752 if (!aligned) {
753 printf("Invalid splashimage value. Value must be 16 bit aligned, but not 32 bit aligned\n");
754 return -1;
755 }
756
757 return 0;
758}
759
760U_BOOT_ENV_CALLBACK(splashimage, on_splashimage);
761#endif
762
Vadim Bendebury395166c2012-09-28 15:11:13 +0000763int lcd_get_pixel_width(void)
764{
765 return panel_info.vl_col;
766}
767
768int lcd_get_pixel_height(void)
769{
770 return panel_info.vl_row;
771}