1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
/*
* Copyright (C) 2012 Samsung Electronics
*
* Author: InKi Dae <inki.dae@samsung.com>
* Author: Donghwa Lee <dh09.lee@samsung.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <config.h>
#include <common.h>
#include <lcd.h>
#include <asm/io.h>
#include <asm/arch/cpu.h>
#include <asm/arch/clock.h>
#include <asm/arch/clk.h>
#include <asm/arch/mipi_dsim.h>
#include <asm/arch/dp_info.h>
#include <asm/arch/system.h>
#include "exynos_fb.h"
int lcd_line_length;
void *lcd_base;
void *lcd_console_address;
short console_col;
short console_row;
static unsigned int panel_width, panel_height;
static void exynos_lcd_init_mem(void *lcdbase, vidinfo_t *vid)
{
unsigned long palette_size;
unsigned int fb_size;
fb_size = vid->vl_row * vid->vl_col * (NBITS(vid->vl_bpix) >> 3);
lcd_base = lcdbase;
palette_size = NBITS(vid->vl_bpix) == 8 ? 256 : 16;
exynos_fimd_lcd_init_mem((unsigned long)lcd_base,
(unsigned long)fb_size, palette_size);
}
static void exynos_lcd_init(vidinfo_t *vid)
{
exynos_fimd_lcd_init(vid);
/* Enable flushing after LCD writes if requested */
lcd_set_flush_dcache(1);
}
#ifdef CONFIG_CMD_BMP
static void draw_logo(void)
{
int x, y;
ulong addr;
if (panel_width >= panel_info.logo_width) {
x = ((panel_width - panel_info.logo_width) >> 1);
} else {
x = 0;
printf("Warning: image width is bigger than display width\n");
}
if (panel_height >= panel_info.logo_height) {
y = ((panel_height - panel_info.logo_height) >> 1) - 4;
} else {
y = 0;
printf("Warning: image height is bigger than display height\n");
}
addr = panel_info.logo_addr;
bmp_display(addr, x, y);
}
#endif
static void lcd_panel_on(vidinfo_t *vid)
{
udelay(vid->init_delay);
if (vid->backlight_reset)
vid->backlight_reset();
if (vid->cfg_gpio)
vid->cfg_gpio();
if (vid->lcd_power_on)
vid->lcd_power_on();
udelay(vid->power_on_delay);
if (vid->dp_enabled)
exynos_init_dp();
if (vid->reset_lcd) {
vid->reset_lcd();
udelay(vid->reset_delay);
}
if (vid->backlight_on)
vid->backlight_on(1);
if (vid->cfg_ldo)
vid->cfg_ldo();
if (vid->enable_ldo)
vid->enable_ldo(1);
if (vid->mipi_enabled)
exynos_mipi_dsi_init();
}
void lcd_ctrl_init(void *lcdbase)
{
set_system_display_ctrl();
set_lcd_clk();
/* initialize parameters which is specific to panel. */
init_panel_info(&panel_info);
panel_width = panel_info.vl_width;
panel_height = panel_info.vl_height;
exynos_lcd_init_mem(lcdbase, &panel_info);
exynos_lcd_init(&panel_info);
}
void lcd_enable(void)
{
if (panel_info.logo_on) {
memset(lcd_base, 0, panel_width * panel_height *
(NBITS(panel_info.vl_bpix) >> 3));
#ifdef CONFIG_CMD_BMP
draw_logo();
#endif
}
lcd_panel_on(&panel_info);
}
/* dummy function */
void lcd_setcolreg(ushort regno, ushort red, ushort green, ushort blue)
{
return;
}
|
