samsung update 1

1 files changed, 77 insertions, 0 deletions

diff --git a/drivers/video/backlight/s6e8ab0_mipi_lcd.c b/drivers/video/backlight/s6e8ab0_mipi_lcd.c
new file mode 100644
index 0000000..ef5c41f
--- /dev/null
+++ b/drivers/video/backlight/s6e8ab0_mipi_lcd.c
@@ -0,0 +1,77 @@
+/* linux/drivers/video/backlight/s6e8ab0_mipi_lcd.c
+ *
+ *
+ * Copyright (c) 2011 Samsung Electronics
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ *
+*/
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/mutex.h>
+#include <linux/wait.h>
+#include <linux/ctype.h>
+#include <linux/io.h>
+#include <linux/delay.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+#include <linux/gpio.h>
+#include <linux/workqueue.h>
+#include <linux/backlight.h>
+#include <linux/lcd.h>
+
+#include <video/mipi_display.h>
+
+#include <plat/gpio-cfg.h>
+#include <plat/regs-dsim.h>
+
+#include <plat/dsim.h>
+#include <plat/mipi_dsi.h>
+
+void init_lcd(struct mipi_dsim_device *dsim)
+{
+	s5p_mipi_dsi_wr_data(dsim, MIPI_DSI_DCS_SHORT_WRITE,
+		0, 0);
+	msleep(60);
+	/* Exit sleep */
+	s5p_mipi_dsi_wr_data(dsim, MIPI_DSI_DCS_SHORT_WRITE,
+		0x11, 0);
+	msleep(600);
+	s5p_mipi_dsi_wr_data(dsim, MIPI_DSI_TURN_ON_PERIPHERAL,
+		0, 0);
+}
+
+void s6e8ab0_mipi_lcd_off(struct mipi_dsim_device *dsim)
+{
+	usleep_range(1000, 1200);
+}
+
+static int s6e8ab0_mipi_lcd_suspend(struct mipi_dsim_device *dsim)
+{
+	s6e8ab0_mipi_lcd_off(dsim);
+	return 0;
+}
+
+static int s6e8ab0_mipi_lcd_displayon(struct mipi_dsim_device *dsim)
+{
+	init_lcd(dsim);
+
+	return 0;
+}
+
+static int s6e8ab0_mipi_lcd_resume(struct mipi_dsim_device *dsim)
+{
+	init_lcd(dsim);
+	return 0;
+}
+
+struct mipi_dsim_lcd_driver s6e8ab0_mipi_lcd_driver = {
+	.suspend =  s6e8ab0_mipi_lcd_suspend,
+	.displayon = s6e8ab0_mipi_lcd_displayon,
+	.resume = s6e8ab0_mipi_lcd_resume,
+};