2 * Copyright (C) 2012 Samsung Electronics
4 * Author: InKi Dae <inki.dae@samsung.com>
5 * Author: Donghwa Lee <dh09.lee@samsung.com>
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation; either version 2 of
10 * the License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
27 #include <asm/arch/cpu.h>
28 #include <asm/arch/clock.h>
29 #include <asm/arch/clk.h>
30 #include <asm/arch/mipi_dsim.h>
31 #include <asm/arch/system.h>
33 #include "exynos_fb.h"
40 void *lcd_console_address;
45 static unsigned int panel_width, panel_height;
47 static void exynos_lcd_init_mem(void *lcdbase, vidinfo_t *vid)
49 unsigned long palette_size;
52 fb_size = vid->vl_row * vid->vl_col * (NBITS(vid->vl_bpix) >> 3);
56 palette_size = NBITS(vid->vl_bpix) == 8 ? 256 : 16;
58 exynos_fimd_lcd_init_mem((unsigned long)lcd_base,
59 (unsigned long)fb_size, palette_size);
62 static void exynos_lcd_init(vidinfo_t *vid)
64 exynos_fimd_lcd_init(vid);
67 static void draw_logo(void)
72 x = ((panel_width - panel_info.logo_width) >> 1);
73 y = ((panel_height - panel_info.logo_height) >> 1) - 4;
75 addr = panel_info.logo_addr;
76 bmp_display(addr, x, y);
79 static void lcd_panel_on(vidinfo_t *vid)
81 udelay(vid->init_delay);
83 if (vid->backlight_reset)
84 vid->backlight_reset();
89 if (vid->lcd_power_on)
92 udelay(vid->power_on_delay);
96 udelay(vid->reset_delay);
99 if (vid->backlight_on)
100 vid->backlight_on(1);
108 if (vid->mipi_enabled)
109 exynos_mipi_dsi_init();
112 void lcd_ctrl_init(void *lcdbase)
114 set_system_display_ctrl();
117 /* initialize parameters which is specific to panel. */
118 init_panel_info(&panel_info);
120 panel_width = panel_info.vl_width;
121 panel_height = panel_info.vl_height;
123 exynos_lcd_init_mem(lcdbase, &panel_info);
125 exynos_lcd_init(&panel_info);
128 void lcd_enable(void)
130 if (panel_info.logo_on) {
131 memset(lcd_base, 0, panel_width * panel_height *
132 (NBITS(panel_info.vl_bpix) >> 3));
137 lcd_panel_on(&panel_info);
141 void lcd_setcolreg(ushort regno, ushort red, ushort green, ushort blue)