From 6d4339f622ef378d903a0c35484581533a242d2b Mon Sep 17 00:00:00 2001
From: Donghwa Lee <dh09.lee@samsung.com>
Date: Thu, 5 Apr 2012 19:36:17 +0000
Subject: EXYNOS: support EXYNOS framebuffer and FIMD display drivers.

This patch support EXYNOS FB and FIMD display drivers.

Signed-off-by: Donghwa Lee <dh09.lee@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Acked-by: Anatolij Gustschin <agust@denx.de>
---
 drivers/video/exynos_fb.c | 128 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 128 insertions(+)
 create mode 100644 drivers/video/exynos_fb.c

(limited to 'drivers/video/exynos_fb.c')

diff --git a/drivers/video/exynos_fb.c b/drivers/video/exynos_fb.c
new file mode 100644
index 0000000..0eb7f58
--- /dev/null
+++ b/drivers/video/exynos_fb.c
@@ -0,0 +1,128 @@
+/*
+ * 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/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;
+
+/* LCD Panel data */
+vidinfo_t panel_info;
+
+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 * (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 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->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)
+{
+	lcd_panel_on(&panel_info);
+}
+
+/* dummy function */
+void lcd_setcolreg(ushort regno, ushort red, ushort green, ushort blue)
+{
+	return;
+}
-- 
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