mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-29 16:10:58 +00:00
a29c832263
If dp_enabled was set, exynos fb driver support display port feature. This patch depends on [PATCH] video: support exynos fimd driver for various exynos series. http://marc.info/?l=u-boot&m=134119605104467&w=2 Signed-off-by: Donghwa Lee <dh09.lee@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
147 lines
3.1 KiB
C
147 lines
3.1 KiB
C
/*
|
|
* 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;
|
|
int lcd_color_fg;
|
|
int lcd_color_bg;
|
|
|
|
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);
|
|
}
|
|
|
|
static void draw_logo(void)
|
|
{
|
|
int x, y;
|
|
ulong addr;
|
|
|
|
x = ((panel_width - panel_info.logo_width) >> 1);
|
|
y = ((panel_height - panel_info.logo_height) >> 1) - 4;
|
|
|
|
addr = panel_info.logo_addr;
|
|
bmp_display(addr, x, y);
|
|
}
|
|
|
|
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));
|
|
draw_logo();
|
|
}
|
|
|
|
lcd_panel_on(&panel_info);
|
|
}
|
|
|
|
/* dummy function */
|
|
void lcd_setcolreg(ushort regno, ushort red, ushort green, ushort blue)
|
|
{
|
|
return;
|
|
}
|