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https://github.com/AsahiLinux/u-boot
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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
/*
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* Copyright (C) 2012 Samsung Electronics
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*
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* Author: InKi Dae <inki.dae@samsung.com>
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* Author: Donghwa Lee <dh09.lee@samsung.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <config.h>
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#include <common.h>
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#include <lcd.h>
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#include <asm/io.h>
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#include <asm/arch/cpu.h>
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#include <asm/arch/clock.h>
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#include <asm/arch/clk.h>
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#include <asm/arch/mipi_dsim.h>
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#include <asm/arch/dp_info.h>
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#include <asm/arch/system.h>
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#include "exynos_fb.h"
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int lcd_line_length;
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int lcd_color_fg;
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int lcd_color_bg;
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void *lcd_base;
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void *lcd_console_address;
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short console_col;
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short console_row;
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static unsigned int panel_width, panel_height;
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static void exynos_lcd_init_mem(void *lcdbase, vidinfo_t *vid)
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{
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unsigned long palette_size;
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unsigned int fb_size;
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fb_size = vid->vl_row * vid->vl_col * (NBITS(vid->vl_bpix) >> 3);
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lcd_base = lcdbase;
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palette_size = NBITS(vid->vl_bpix) == 8 ? 256 : 16;
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exynos_fimd_lcd_init_mem((unsigned long)lcd_base,
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(unsigned long)fb_size, palette_size);
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}
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static void exynos_lcd_init(vidinfo_t *vid)
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{
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exynos_fimd_lcd_init(vid);
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}
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static void draw_logo(void)
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{
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int x, y;
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ulong addr;
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x = ((panel_width - panel_info.logo_width) >> 1);
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y = ((panel_height - panel_info.logo_height) >> 1) - 4;
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addr = panel_info.logo_addr;
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bmp_display(addr, x, y);
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}
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static void lcd_panel_on(vidinfo_t *vid)
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{
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udelay(vid->init_delay);
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if (vid->backlight_reset)
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vid->backlight_reset();
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if (vid->cfg_gpio)
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vid->cfg_gpio();
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if (vid->lcd_power_on)
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vid->lcd_power_on();
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udelay(vid->power_on_delay);
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if (vid->dp_enabled)
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exynos_init_dp();
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if (vid->reset_lcd) {
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vid->reset_lcd();
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udelay(vid->reset_delay);
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}
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if (vid->backlight_on)
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vid->backlight_on(1);
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if (vid->cfg_ldo)
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vid->cfg_ldo();
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if (vid->enable_ldo)
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vid->enable_ldo(1);
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if (vid->mipi_enabled)
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exynos_mipi_dsi_init();
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}
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void lcd_ctrl_init(void *lcdbase)
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{
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set_system_display_ctrl();
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set_lcd_clk();
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/* initialize parameters which is specific to panel. */
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init_panel_info(&panel_info);
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panel_width = panel_info.vl_width;
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panel_height = panel_info.vl_height;
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exynos_lcd_init_mem(lcdbase, &panel_info);
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exynos_lcd_init(&panel_info);
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}
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void lcd_enable(void)
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{
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if (panel_info.logo_on) {
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memset(lcd_base, 0, panel_width * panel_height *
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(NBITS(panel_info.vl_bpix) >> 3));
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draw_logo();
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}
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lcd_panel_on(&panel_info);
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}
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/* dummy function */
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void lcd_setcolreg(ushort regno, ushort red, ushort green, ushort blue)
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{
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return;
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}
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