blob: a1cf44964bf6bbd036f12b0aa89f68cd90cf1fd5 [file] [log] [blame]
Donghwa Lee6d4339f2012-04-05 19:36:17 +00001/*
2 * Copyright (C) 2012 Samsung Electronics
3 *
4 * Author: InKi Dae <inki.dae@samsung.com>
5 * Author: Donghwa Lee <dh09.lee@samsung.com>
6 *
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.
11 *
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.
16 *
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,
20 * MA 02111-1307 USA
21 */
22
23#include <config.h>
24#include <common.h>
25#include <lcd.h>
26#include <asm/io.h>
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>
32
33#include "exynos_fb.h"
34
35int lcd_line_length;
36int lcd_color_fg;
37int lcd_color_bg;
38
39void *lcd_base;
40void *lcd_console_address;
41
42short console_col;
43short console_row;
44
45static unsigned int panel_width, panel_height;
46
47/* LCD Panel data */
48vidinfo_t panel_info;
49
50static void exynos_lcd_init_mem(void *lcdbase, vidinfo_t *vid)
51{
52 unsigned long palette_size;
53 unsigned int fb_size;
54
Donghwa Leef78095e2012-04-23 15:37:05 +000055 fb_size = vid->vl_row * vid->vl_col * (NBITS(vid->vl_bpix) >> 3);
Donghwa Lee6d4339f2012-04-05 19:36:17 +000056
57 lcd_base = lcdbase;
58
59 palette_size = NBITS(vid->vl_bpix) == 8 ? 256 : 16;
60
61 exynos_fimd_lcd_init_mem((unsigned long)lcd_base,
62 (unsigned long)fb_size, palette_size);
63}
64
65static void exynos_lcd_init(vidinfo_t *vid)
66{
67 exynos_fimd_lcd_init(vid);
68}
69
70static void lcd_panel_on(vidinfo_t *vid)
71{
72 udelay(vid->init_delay);
73
74 if (vid->backlight_reset)
75 vid->backlight_reset();
76
77 if (vid->cfg_gpio)
78 vid->cfg_gpio();
79
80 if (vid->lcd_power_on)
81 vid->lcd_power_on();
82
83 udelay(vid->power_on_delay);
84
85 if (vid->reset_lcd) {
86 vid->reset_lcd();
87 udelay(vid->reset_delay);
88 }
89
90 if (vid->backlight_on)
91 vid->backlight_on(1);
92
93 if (vid->cfg_ldo)
94 vid->cfg_ldo();
95
96 if (vid->enable_ldo)
97 vid->enable_ldo(1);
98
99 if (vid->mipi_enabled)
100 exynos_mipi_dsi_init();
101}
102
103void lcd_ctrl_init(void *lcdbase)
104{
105 set_system_display_ctrl();
106 set_lcd_clk();
107
108 /* initialize parameters which is specific to panel. */
109 init_panel_info(&panel_info);
110
111 panel_width = panel_info.vl_width;
112 panel_height = panel_info.vl_height;
113
114 exynos_lcd_init_mem(lcdbase, &panel_info);
115
116 exynos_lcd_init(&panel_info);
117}
118
119void lcd_enable(void)
120{
121 lcd_panel_on(&panel_info);
122}
123
124/* dummy function */
125void lcd_setcolreg(ushort regno, ushort red, ushort green, ushort blue)
126{
127 return;
128}