merge opensource jb u5

Change-Id: I1aaec157aa196f3448eff8636134fce89a814cf2

1 files changed, 164 insertions, 0 deletions

diff --git a/drivers/video/samsung_duallcd/s3cfb_ielcd.c b/drivers/video/samsung_duallcd/s3cfb_ielcd.c
new file mode 100644
index 0000000..b86d6f5
--- /dev/null
+++ b/drivers/video/samsung_duallcd/s3cfb_ielcd.c
@@ -0,0 +1,164 @@
+/* linux/drivers/video/samsung/s3cfb_mdnie.c
+ *
+ * Register interface file for Samsung IELCD driver
+ *
+ * Copyright (c) 2009 Samsung Electronics
+ * http://www.samsungsemi.com/
+ *
+ * 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/clk.h>
+#include <linux/mutex.h>
+#include <linux/poll.h>
+#include <linux/wait.h>
+#include <linux/fs.h>
+#include <linux/irq.h>
+#include <linux/mm.h>
+#include <linux/fb.h>
+#include <linux/ctype.h>
+#include <linux/miscdevice.h>
+#include <linux/dma-mapping.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+
+#include <linux/io.h>
+#include <mach/map.h>
+#include <plat/clock.h>
+#include <plat/regs-fb-s5p.h>
+
+#include "s3cfb.h"
+#include "s3cfb_mdnie.h"
+#include "s3cfb_ielcd.h"
+
+static struct resource *s3c_ielcd_mem;
+static void __iomem *s3c_ielcd_base;
+
+#define s3c_ielcd_readl(addr)			__raw_readl((s3c_ielcd_base + addr))
+#define s3c_ielcd_writel(val, addr)		writel(val, (s3c_ielcd_base + addr))
+
+static struct s3cfb_global ielcd_fb;
+static struct s3cfb_global *ielcd_fbdev;
+
+int s3c_ielcd_hw_init(void)
+{
+	s3c_ielcd_mem = request_mem_region(S3C_IELCD_PHY_BASE, S3C_IELCD_MAP_SIZE, "ielcd");
+	if (s3c_ielcd_mem == NULL) {
+		printk(KERN_ERR "IELCD: failed to reserved memory region\n");
+		return -ENOENT;
+	}
+
+	s3c_ielcd_base = ioremap(S3C_IELCD_PHY_BASE, S3C_IELCD_MAP_SIZE);
+	if (s3c_ielcd_base == NULL) {
+		printk(KERN_ERR "IELCD failed ioremap\n");
+		return -ENOENT;
+	}
+
+	printk(KERN_INFO "%s : 0x%p\n", __func__, s3c_ielcd_base);
+
+	ielcd_fbdev = &ielcd_fb;
+
+	return 0;
+}
+
+int s3c_ielcd_logic_start(void)
+{
+	s3c_ielcd_writel(S3C_IELCD_MAGIC_KEY, S3C_IELCD_GPOUTCON0);
+	return 0;
+}
+
+int s3c_ielcd_logic_stop(void)
+{
+	s3c_ielcd_writel(0, S3C_IELCD_GPOUTCON0);
+	return 0;
+}
+
+int s3c_ielcd_display_on(void)
+{
+	unsigned int cfg;
+
+	cfg = s3c_ielcd_readl(S3C_VIDCON0);
+	cfg |= (S3C_VIDCON0_ENVID_ENABLE | S3C_VIDCON0_ENVID_F_ENABLE);
+	s3c_ielcd_writel(cfg, S3C_VIDCON0);
+
+	return 0;
+}
+
+#if 0
+int s3c_ielcd_display_off(void)
+{
+	unsigned int cfg;
+
+	cfg = s3c_ielcd_readl(S3C_IELCD_VIDCON0);
+	/*cfg &= ~(S3C_VIDCON0_ENVID_ENABLE| S3C_VIDCON0_ENVID_F_ENABLE);*/
+	cfg &= ~(S3C_VIDCON0_ENVID_F_ENABLE);
+	s3c_ielcd_writel(cfg, S3C_IELCD_VIDCON0);
+
+	return 0;
+}
+#else
+int s3c_ielcd_display_off(void)
+{
+	unsigned int cfg, ielcd_count = 0;
+
+	cfg = s3c_ielcd_readl(S3C_VIDCON0);
+	cfg |= S3C_VIDCON0_ENVID_ENABLE;
+	cfg &= ~(S3C_VIDCON0_ENVID_F_ENABLE);
+
+	s3c_ielcd_writel(cfg, S3C_VIDCON0);
+
+	do {
+		if (++ielcd_count > 2000000) {
+			printk(KERN_ERR "ielcd off fail\n");
+			return 1;
+		}
+
+		if (!(s3c_ielcd_readl(S3C_VIDCON1) & 0xffff0000))
+			return 0;
+	} while (1);
+}
+#endif
+
+int s3c_ielcd_init_global(struct s3cfb_global *ctrl)
+{
+	unsigned int cfg;
+
+	*ielcd_fbdev = *ctrl;
+	ctrl->ielcd_regs = ielcd_fbdev->regs = s3c_ielcd_base;
+
+	s3cfb_set_polarity_only(ielcd_fbdev);
+	s3cfb_set_timing(ielcd_fbdev);
+	s3cfb_set_lcd_size(ielcd_fbdev);
+
+	/* vclock divider setting , same as FIMD */
+	cfg = readl(ctrl->regs + S3C_VIDCON0);
+	cfg &= ~(S3C_VIDCON0_VIDOUT_MASK | S3C_VIDCON0_VCLKEN_MASK);
+	cfg |= S3C_VIDCON0_VIDOUT_RGB;
+	cfg |= S3C_VIDCON0_VCLKEN_NORMAL;
+	s3c_ielcd_writel(cfg, S3C_VIDCON0);
+
+	/* window0 position setting , fixed */
+	s3c_ielcd_writel(0, S3C_VIDOSD0A);
+
+	/* window0 position setting */
+	cfg = S3C_VIDOSD_RIGHT_X(ctrl->lcd->width - 1);
+	cfg |= S3C_VIDOSD_BOTTOM_Y(ctrl->lcd->height - 1);
+	s3c_ielcd_writel(cfg, S3C_VIDOSD0B);
+
+	/* window0 osd size setting */
+	s3c_ielcd_writel((ctrl->lcd->width * ctrl->lcd->height), S3C_VIDOSD0C);
+
+	/* window0 setting , fixed */
+	cfg = S3C_WINCON_DATAPATH_LOCAL | S3C_WINCON_BPPMODE_32BPP | S3C_WINCON_INRGB_RGB;
+	s3c_ielcd_writel(cfg, S3C_WINCON0);
+
+	s3cfb_window_on(ielcd_fbdev, 0);
+
+	return 0;
+}
+