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;
50 static void exynos_lcd_init_mem(void *lcdbase, vidinfo_t *vid)
52 unsigned long palette_size;
55 fb_size = vid->vl_row * vid->vl_col * (NBITS(vid->vl_bpix) >> 3);
59 palette_size = NBITS(vid->vl_bpix) == 8 ? 256 : 16;
61 exynos_fimd_lcd_init_mem((unsigned long)lcd_base,
62 (unsigned long)fb_size, palette_size);
65 static void exynos_lcd_init(vidinfo_t *vid)
67 exynos_fimd_lcd_init(vid);
70 static void draw_logo(void)
75 x = ((panel_width - panel_info.logo_width) >> 1);
76 y = ((panel_height - panel_info.logo_height) >> 1) - 4;
78 addr = panel_info.logo_addr;
79 bmp_display(addr, x, y);
82 static void lcd_panel_on(vidinfo_t *vid)
84 udelay(vid->init_delay);
86 if (vid->backlight_reset)
87 vid->backlight_reset();
92 if (vid->lcd_power_on)
95 udelay(vid->power_on_delay);
99 udelay(vid->reset_delay);
102 if (vid->backlight_on)
103 vid->backlight_on(1);
111 if (vid->mipi_enabled)
112 exynos_mipi_dsi_init();
115 void lcd_ctrl_init(void *lcdbase)
117 set_system_display_ctrl();
120 /* initialize parameters which is specific to panel. */
121 init_panel_info(&panel_info);
123 panel_width = panel_info.vl_width;
124 panel_height = panel_info.vl_height;
126 exynos_lcd_init_mem(lcdbase, &panel_info);
128 exynos_lcd_init(&panel_info);
131 void lcd_enable(void)
133 if (panel_info.logo_on) {
134 memset(lcd_base, 0, panel_width * panel_height *
135 (NBITS(panel_info.vl_bpix) >> 3));
140 lcd_panel_on(&panel_info);
144 void lcd_setcolreg(ushort regno, ushort red, ushort green, ushort blue)