Merge branch 'for-linus' of git://git.o-hand.com/linux-rpurdie-backlight

* 'for-linus' of git://git.o-hand.com/linux-rpurdie-backlight:
  backlight: Convert corgi backlight driver into a more generic driver
  backlight: Add Samsung LTV350QV LCD driver
  backlight: Fix cr_bllcd allocations and error paths
  backlight/leds: Make two structs static

8 files changed, 477 insertions, 34 deletions

diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
index 2580f5fa248..9609a6c676b 100644
--- a/drivers/video/backlight/Kconfig
+++ b/drivers/video/backlight/Kconfig
@@ -24,6 +24,18 @@ config LCD_CLASS_DEVICE
 	  To have support for your specific LCD panel you will have to
 	  select the proper drivers which depend on this option.
 
+config LCD_LTV350QV
+	tristate "Samsung LTV350QV LCD Panel"
+	depends on LCD_CLASS_DEVICE && SPI_MASTER
+	default n
+	help
+	  If you have a Samsung LTV350QV LCD panel, say y to include a
+	  power control driver for it.  The panel starts up in power
+	  off state, so you need this driver in order to see any
+	  output.
+
+	  The LTV350QV panel is present on all ATSTK1000 boards.
+
 #
 # Backlight
 #
@@ -39,12 +51,13 @@ config BACKLIGHT_CLASS_DEVICE
 	  select the proper drivers which depend on this option.
 
 config BACKLIGHT_CORGI
-	tristate "Sharp Corgi Backlight Driver (SL Series)"
-	depends on BACKLIGHT_CLASS_DEVICE && PXA_SHARPSL
-	default y
+	tristate "Generic (aka Sharp Corgi) Backlight Driver"
+	depends on BACKLIGHT_CLASS_DEVICE
+	default n
 	help
-	  If you have a Sharp Zaurus SL-C7xx, SL-Cxx00 or SL-6000x say y to enable the
-	  backlight driver.
+	  Say y to enable the generic platform backlight driver previously
+	  known as the Corgi backlight driver. If you have a Sharp Zaurus
+	  SL-C7xx, SL-Cxx00 or SL-6000x say y. Most users can say n.
 
 config BACKLIGHT_LOCOMO
 	tristate "Sharp LOCOMO LCD/Backlight Driver"
diff --git a/drivers/video/backlight/Makefile b/drivers/video/backlight/Makefile
index c6e2266f63e..965a78b1811 100644
--- a/drivers/video/backlight/Makefile
+++ b/drivers/video/backlight/Makefile
@@ -1,6 +1,8 @@
 # Backlight & LCD drivers
 
 obj-$(CONFIG_LCD_CLASS_DEVICE)     += lcd.o
+obj-$(CONFIG_LCD_LTV350QV)	+= ltv350qv.o
+
 obj-$(CONFIG_BACKLIGHT_CLASS_DEVICE) += backlight.o
 obj-$(CONFIG_BACKLIGHT_CORGI)	+= corgi_bl.o
 obj-$(CONFIG_BACKLIGHT_HP680)	+= hp680_bl.o
diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c
index b26de8cf311..4840fe217e4 100644
--- a/drivers/video/backlight/backlight.c
+++ b/drivers/video/backlight/backlight.c
@@ -164,7 +164,7 @@ static ssize_t backlight_show_actual_brightness(struct device *dev,
 	return rc;
 }
 
-struct class *backlight_class;
+static struct class *backlight_class;
 
 static void bl_device_release(struct device *dev)
 {
diff --git a/drivers/video/backlight/corgi_bl.c b/drivers/video/backlight/corgi_bl.c
index ce00e18a4e5..4d4d037e3ec 100644
--- a/drivers/video/backlight/corgi_bl.c
+++ b/drivers/video/backlight/corgi_bl.c
@@ -18,13 +18,11 @@
 #include <linux/mutex.h>
 #include <linux/fb.h>
 #include <linux/backlight.h>
-#include <asm/arch/sharpsl.h>
-#include <asm/hardware/sharpsl_pm.h>
 
 static int corgibl_intensity;
 static struct backlight_properties corgibl_data;
 static struct backlight_device *corgi_backlight_device;
-static struct corgibl_machinfo *bl_machinfo;
+static struct generic_bl_info *bl_machinfo;
 
 static unsigned long corgibl_flags;
 #define CORGIBL_SUSPENDED     0x01
@@ -32,7 +30,6 @@ static unsigned long corgibl_flags;
 
 static int corgibl_send_intensity(struct backlight_device *bd)
 {
-	void (*corgi_kick_batt)(void);
 	int intensity = bd->props.brightness;
 
 	if (bd->props.power != FB_BLANK_UNBLANK)
@@ -48,11 +45,8 @@ static int corgibl_send_intensity(struct backlight_device *bd)
 
 	corgibl_intensity = intensity;
 
- 	corgi_kick_batt = symbol_get(sharpsl_battery_kick);
- 	if (corgi_kick_batt) {
- 		corgi_kick_batt();
- 		symbol_put(sharpsl_battery_kick);
- 	}
+	if (bl_machinfo->kick_battery)
+		bl_machinfo->kick_battery();
 
 	return 0;
 }
@@ -107,13 +101,17 @@ static struct backlight_ops corgibl_ops = {
 
 static int corgibl_probe(struct platform_device *pdev)
 {
-	struct corgibl_machinfo *machinfo = pdev->dev.platform_data;
+	struct generic_bl_info *machinfo = pdev->dev.platform_data;
+	const char *name = "generic-bl";
 
 	bl_machinfo = machinfo;
 	if (!machinfo->limit_mask)
 		machinfo->limit_mask = -1;
 
-	corgi_backlight_device = backlight_device_register ("corgi-bl",
+	if (machinfo->name)
+		name = machinfo->name;
+
+	corgi_backlight_device = backlight_device_register (name,
 		&pdev->dev, NULL, &corgibl_ops);
 	if (IS_ERR (corgi_backlight_device))
 		return PTR_ERR (corgi_backlight_device);
@@ -149,7 +147,7 @@ static struct platform_driver corgibl_driver = {
 	.suspend	= corgibl_suspend,
 	.resume		= corgibl_resume,
 	.driver		= {
-		.name	= "corgi-bl",
+		.name	= "generic-bl",
 	},
 };
 
diff --git a/drivers/video/backlight/cr_bllcd.c b/drivers/video/backlight/cr_bllcd.c
index b7904da51b2..92e201e81fb 100644
--- a/drivers/video/backlight/cr_bllcd.c
+++ b/drivers/video/backlight/cr_bllcd.c
@@ -171,13 +171,11 @@ static struct lcd_ops cr_lcd_ops = {
 
 static int cr_backlight_probe(struct platform_device *pdev)
 {
+	struct backlight_device *bdp;
+	struct lcd_device *ldp;
 	struct cr_panel *crp;
 	u8 dev_en;
 
-	crp = kzalloc(sizeof(*crp), GFP_KERNEL);
-	if (crp == NULL)
-		return -ENOMEM;
-
 	lpc_dev = pci_get_device(PCI_VENDOR_ID_INTEL,
 					CRVML_DEVICE_LPC, NULL);
 	if (!lpc_dev) {
@@ -193,27 +191,34 @@ static int cr_backlight_probe(struct platform_device *pdev)
 		return -ENODEV;
 	}
 
-	crp->cr_backlight_device = backlight_device_register("cr-backlight",
-							     &pdev->dev, NULL,
-							     &cr_backlight_ops);
-	if (IS_ERR(crp->cr_backlight_device)) {
+	bdp = backlight_device_register("cr-backlight",
+					&pdev->dev, NULL, &cr_backlight_ops);
+	if (IS_ERR(bdp)) {
 		pci_dev_put(lpc_dev);
-		return PTR_ERR(crp->cr_backlight_device);
+		return PTR_ERR(bdp);
 	}
 
-	crp->cr_lcd_device = lcd_device_register("cr-lcd",
-							&pdev->dev, NULL,
-							&cr_lcd_ops);
-
-	if (IS_ERR(crp->cr_lcd_device)) {
+	ldp = lcd_device_register("cr-lcd", &pdev->dev, NULL, &cr_lcd_ops);
+	if (IS_ERR(ldp)) {
+		backlight_device_unregister(bdp);
 		pci_dev_put(lpc_dev);
-		return PTR_ERR(crp->cr_backlight_device);
+		return PTR_ERR(bdp);
 	}
 
 	pci_read_config_dword(lpc_dev, CRVML_REG_GPIOBAR,
 			      &gpio_bar);
 	gpio_bar &= ~0x3F;
 
+	crp = kzalloc(sizeof(*crp), GFP_KERNEL);
+	if (!crp) {
+		lcd_device_unregister(ldp);
+		backlight_device_unregister(bdp);
+		pci_dev_put(lpc_dev);
+		return -ENOMEM;
+	}
+
+	crp->cr_backlight_device = bdp;
+	crp->cr_lcd_device = ldp;
 	crp->cr_backlight_device->props.power = FB_BLANK_UNBLANK;
 	crp->cr_backlight_device->props.brightness = 0;
 	crp->cr_backlight_device->props.max_brightness = 0;
diff --git a/drivers/video/backlight/lcd.c b/drivers/video/backlight/lcd.c
index 6f652c65fae..299fd318dd4 100644
--- a/drivers/video/backlight/lcd.c
+++ b/drivers/video/backlight/lcd.c
@@ -149,7 +149,7 @@ static ssize_t lcd_show_max_contrast(struct device *dev,
 	return sprintf(buf, "%d\n", ld->props.max_contrast);
 }
 
-struct class *lcd_class;
+static struct class *lcd_class;
 
 static void lcd_device_release(struct device *dev)
 {
diff --git a/drivers/video/backlight/ltv350qv.c b/drivers/video/backlight/ltv350qv.c
new file mode 100644
index 00000000000..2eb206bf73e
--- /dev/null
+++ b/drivers/video/backlight/ltv350qv.c
@@ -0,0 +1,330 @@
+/*
+ * Power control for Samsung LTV350QV Quarter VGA LCD Panel
+ *
+ * Copyright (C) 2006, 2007 Atmel Corporation
+ *
+ * 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/delay.h>
+#include <linux/err.h>
+#include <linux/fb.h>
+#include <linux/init.h>
+#include <linux/lcd.h>
+#include <linux/module.h>
+#include <linux/spi/spi.h>
+
+#include "ltv350qv.h"
+
+#define POWER_IS_ON(pwr)	((pwr) <= FB_BLANK_NORMAL)
+
+struct ltv350qv {
+	struct spi_device	*spi;
+	u8			*buffer;
+	int			power;
+	struct lcd_device	*ld;
+};
+
+/*
+ * The power-on and power-off sequences are taken from the
+ * LTV350QV-F04 data sheet from Samsung. The register definitions are
+ * taken from the S6F2002 command list also from Samsung. Both
+ * documents are distributed with the AVR32 Linux BSP CD from Atmel.
+ *
+ * There's still some voodoo going on here, but it's a lot better than
+ * in the first incarnation of the driver where all we had was the raw
+ * numbers from the initialization sequence.
+ */
+static int ltv350qv_write_reg(struct ltv350qv *lcd, u8 reg, u16 val)
+{
+	struct spi_message msg;
+	struct spi_transfer index_xfer = {
+		.len		= 3,
+		.cs_change	= 1,
+	};
+	struct spi_transfer value_xfer = {
+		.len		= 3,
+	};
+
+	spi_message_init(&msg);
+
+	/* register index */
+	lcd->buffer[0] = LTV_OPC_INDEX;
+	lcd->buffer[1] = 0x00;
+	lcd->buffer[2] = reg & 0x7f;
+	index_xfer.tx_buf = lcd->buffer;
+	spi_message_add_tail(&index_xfer, &msg);
+
+	/* register value */
+	lcd->buffer[4] = LTV_OPC_DATA;
+	lcd->buffer[5] = val >> 8;
+	lcd->buffer[6] = val;
+	value_xfer.tx_buf = lcd->buffer + 4;
+	spi_message_add_tail(&value_xfer, &msg);
+
+	return spi_sync(lcd->spi, &msg);
+}
+
+/* The comments are taken straight from the data sheet */
+static int ltv350qv_power_on(struct ltv350qv *lcd)
+{
+	int ret;
+
+	/* Power On Reset Display off State */
+	if (ltv350qv_write_reg(lcd, LTV_PWRCTL1, 0x0000))
+		goto err;
+	msleep(15);
+
+	/* Power Setting Function 1 */
+	if (ltv350qv_write_reg(lcd, LTV_PWRCTL1, LTV_VCOM_DISABLE))
+		goto err;
+	if (ltv350qv_write_reg(lcd, LTV_PWRCTL2, LTV_VCOML_ENABLE))
+		goto err_power1;
+
+	/* Power Setting Function 2 */
+	if (ltv350qv_write_reg(lcd, LTV_PWRCTL1,
+			       LTV_VCOM_DISABLE | LTV_DRIVE_CURRENT(5)
+			       | LTV_SUPPLY_CURRENT(5)))
+		goto err_power2;
+
+	msleep(55);
+
+	/* Instruction Setting */
+	ret = ltv350qv_write_reg(lcd, LTV_IFCTL,
+				 LTV_NMD | LTV_REV | LTV_NL(0x1d));
+	ret |= ltv350qv_write_reg(lcd, LTV_DATACTL,
+				  LTV_DS_SAME | LTV_CHS_480
+				  | LTV_DF_RGB | LTV_RGB_BGR);
+	ret |= ltv350qv_write_reg(lcd, LTV_ENTRY_MODE,
+				  LTV_VSPL_ACTIVE_LOW
+				  | LTV_HSPL_ACTIVE_LOW
+				  | LTV_DPL_SAMPLE_RISING
+				  | LTV_EPL_ACTIVE_LOW
+				  | LTV_SS_RIGHT_TO_LEFT);
+	ret |= ltv350qv_write_reg(lcd, LTV_GATECTL1, LTV_CLW(3));
+	ret |= ltv350qv_write_reg(lcd, LTV_GATECTL2,
+				  LTV_NW_INV_1LINE | LTV_FWI(3));
+	ret |= ltv350qv_write_reg(lcd, LTV_VBP, 0x000a);
+	ret |= ltv350qv_write_reg(lcd, LTV_HBP, 0x0021);
+	ret |= ltv350qv_write_reg(lcd, LTV_SOTCTL, LTV_SDT(3) | LTV_EQ(0));
+	ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(0), 0x0103);
+	ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(1), 0x0301);
+	ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(2), 0x1f0f);
+	ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(3), 0x1f0f);
+	ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(4), 0x0707);
+	ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(5), 0x0307);
+	ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(6), 0x0707);
+	ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(7), 0x0000);
+	ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(8), 0x0004);
+	ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(9), 0x0000);
+	if (ret)
+		goto err_settings;
+
+	/* Wait more than 2 frames */
+	msleep(20);
+
+	/* Display On Sequence */
+	ret = ltv350qv_write_reg(lcd, LTV_PWRCTL1,
+				 LTV_VCOM_DISABLE | LTV_VCOMOUT_ENABLE
+				 | LTV_POWER_ON | LTV_DRIVE_CURRENT(5)
+				 | LTV_SUPPLY_CURRENT(5));
+	ret |= ltv350qv_write_reg(lcd, LTV_GATECTL2,
+				  LTV_NW_INV_1LINE | LTV_DSC | LTV_FWI(3));
+	if (ret)
+		goto err_disp_on;
+
+	/* Display should now be ON. Phew. */
+	return 0;
+
+err_disp_on:
+	/*
+	 * Try to recover. Error handling probably isn't very useful
+	 * at this point, just make a best effort to switch the panel
+	 * off.
+	 */
+	ltv350qv_write_reg(lcd, LTV_PWRCTL1,
+			   LTV_VCOM_DISABLE | LTV_DRIVE_CURRENT(5)
+			   | LTV_SUPPLY_CURRENT(5));
+	ltv350qv_write_reg(lcd, LTV_GATECTL2,
+			   LTV_NW_INV_1LINE | LTV_FWI(3));
+err_settings:
+err_power2:
+err_power1:
+	ltv350qv_write_reg(lcd, LTV_PWRCTL2, 0x0000);
+	msleep(1);
+err:
+	ltv350qv_write_reg(lcd, LTV_PWRCTL1, LTV_VCOM_DISABLE);
+	return -EIO;
+}
+
+static int ltv350qv_power_off(struct ltv350qv *lcd)
+{
+	int ret;
+
+	/* Display Off Sequence */
+	ret = ltv350qv_write_reg(lcd, LTV_PWRCTL1,
+				 LTV_VCOM_DISABLE
+				 | LTV_DRIVE_CURRENT(5)
+				 | LTV_SUPPLY_CURRENT(5));
+	ret |= ltv350qv_write_reg(lcd, LTV_GATECTL2,
+				  LTV_NW_INV_1LINE | LTV_FWI(3));
+
+	/* Power down setting 1 */
+	ret |= ltv350qv_write_reg(lcd, LTV_PWRCTL2, 0x0000);
+
+	/* Wait at least 1 ms */
+	msleep(1);
+
+	/* Power down setting 2 */
+	ret |= ltv350qv_write_reg(lcd, LTV_PWRCTL1, LTV_VCOM_DISABLE);
+
+	/*
+	 * No point in trying to recover here. If we can't switch the
+	 * panel off, what are we supposed to do other than inform the
+	 * user about the failure?
+	 */
+	if (ret)
+		return -EIO;
+
+	/* Display power should now be OFF */
+	return 0;
+}
+
+static int ltv350qv_power(struct ltv350qv *lcd, int power)
+{
+	int ret = 0;
+
+	if (POWER_IS_ON(power) && !POWER_IS_ON(lcd->power))
+		ret = ltv350qv_power_on(lcd);
+	else if (!POWER_IS_ON(power) && POWER_IS_ON(lcd->power))
+		ret = ltv350qv_power_off(lcd);
+
+	if (!ret)
+		lcd->power = power;
+
+	return ret;
+}
+
+static int ltv350qv_set_power(struct lcd_device *ld, int power)
+{
+	struct ltv350qv *lcd = lcd_get_data(ld);
+
+	return ltv350qv_power(lcd, power);
+}
+
+static int ltv350qv_get_power(struct lcd_device *ld)
+{
+	struct ltv350qv *lcd = lcd_get_data(ld);
+
+	return lcd->power;
+}
+
+static struct lcd_ops ltv_ops = {
+	.get_power	= ltv350qv_get_power,
+	.set_power	= ltv350qv_set_power,
+};
+
+static int __devinit ltv350qv_probe(struct spi_device *spi)
+{
+	struct ltv350qv *lcd;
+	struct lcd_device *ld;
+	int ret;
+
+	lcd = kzalloc(sizeof(struct ltv350qv), GFP_KERNEL);
+	if (!lcd)
+		return -ENOMEM;
+
+	lcd->spi = spi;
+	lcd->power = FB_BLANK_POWERDOWN;
+	lcd->buffer = kzalloc(8, GFP_KERNEL);
+
+	ld = lcd_device_register("ltv350qv", &spi->dev, lcd, &ltv_ops);
+	if (IS_ERR(ld)) {
+		ret = PTR_ERR(ld);
+		goto out_free_lcd;
+	}
+	lcd->ld = ld;
+
+	ret = ltv350qv_power(lcd, FB_BLANK_UNBLANK);
+	if (ret)
+		goto out_unregister;
+
+	dev_set_drvdata(&spi->dev, lcd);
+
+	return 0;
+
+out_unregister:
+	lcd_device_unregister(ld);
+out_free_lcd:
+	kfree(lcd);
+	return ret;
+}
+
+static int __devexit ltv350qv_remove(struct spi_device *spi)
+{
+	struct ltv350qv *lcd = dev_get_drvdata(&spi->dev);
+
+	ltv350qv_power(lcd, FB_BLANK_POWERDOWN);
+	lcd_device_unregister(lcd->ld);
+	kfree(lcd);
+
+	return 0;
+}
+
+#ifdef CONFIG_PM
+static int ltv350qv_suspend(struct spi_device *spi, pm_message_t state)
+{
+	struct ltv350qv *lcd = dev_get_drvdata(&spi->dev);
+
+	return ltv350qv_power(lcd, FB_BLANK_POWERDOWN);
+}
+
+static int ltv350qv_resume(struct spi_device *spi)
+{
+	struct ltv350qv *lcd = dev_get_drvdata(&spi->dev);
+
+	return ltv350qv_power(lcd, FB_BLANK_UNBLANK);
+}
+#else
+#define ltv350qv_suspend	NULL
+#define ltv350qv_resume		NULL
+#endif
+
+/* Power down all displays on reboot, poweroff or halt */
+static void ltv350qv_shutdown(struct spi_device *spi)
+{
+	struct ltv350qv *lcd = dev_get_drvdata(&spi->dev);
+
+	ltv350qv_power(lcd, FB_BLANK_POWERDOWN);
+}
+
+static struct spi_driver ltv350qv_driver = {
+	.driver = {
+		.name		= "ltv350qv",
+		.bus		= &spi_bus_type,
+		.owner		= THIS_MODULE,
+	},
+
+	.probe		= ltv350qv_probe,
+	.remove		= __devexit_p(ltv350qv_remove),
+	.shutdown	= ltv350qv_shutdown,
+	.suspend	= ltv350qv_suspend,
+	.resume		= ltv350qv_resume,
+};
+
+static int __init ltv350qv_init(void)
+{
+	return spi_register_driver(&ltv350qv_driver);
+}
+
+static void __exit ltv350qv_exit(void)
+{
+	spi_unregister_driver(&ltv350qv_driver);
+}
+module_init(ltv350qv_init);
+module_exit(ltv350qv_exit);
+
+MODULE_AUTHOR("Haavard Skinnemoen <hskinnemoen@atmel.com>");
+MODULE_DESCRIPTION("Samsung LTV350QV LCD Driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/video/backlight/ltv350qv.h b/drivers/video/backlight/ltv350qv.h
new file mode 100644
index 00000000000..189112e3fc7
--- /dev/null
+++ b/drivers/video/backlight/ltv350qv.h
@@ -0,0 +1,95 @@
+/*
+ * Register definitions for Samsung LTV350QV Quarter VGA LCD Panel
+ *
+ * Copyright (C) 2006, 2007 Atmel Corporation
+ *
+ * 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.
+ */
+#ifndef __LTV350QV_H
+#define __LTV350QV_H
+
+#define LTV_OPC_INDEX	0x74
+#define LTV_OPC_DATA	0x76
+
+#define LTV_ID		0x00		/* ID Read */
+#define LTV_IFCTL	0x01		/* Display Interface Control */
+#define LTV_DATACTL	0x02		/* Display Data Control */
+#define LTV_ENTRY_MODE	0x03		/* Entry Mode */
+#define LTV_GATECTL1	0x04		/* Gate Control 1 */
+#define LTV_GATECTL2	0x05		/* Gate Control 2 */
+#define LTV_VBP		0x06		/* Vertical Back Porch */
+#define LTV_HBP		0x07		/* Horizontal Back Porch */
+#define LTV_SOTCTL	0x08		/* Source Output Timing Control */
+#define LTV_PWRCTL1	0x09		/* Power Control 1 */
+#define LTV_PWRCTL2	0x0a		/* Power Control 2 */
+#define LTV_GAMMA(x)	(0x10 + (x))	/* Gamma control */
+
+/* Bit definitions for LTV_IFCTL */
+#define LTV_IM			(1 << 15)
+#define LTV_NMD			(1 << 14)
+#define LTV_SSMD		(1 << 13)
+#define LTV_REV			(1 <<  7)
+#define LTV_NL(x)		(((x) & 0x001f) << 0)
+
+/* Bit definitions for LTV_DATACTL */
+#define LTV_DS_SAME		(0 << 12)
+#define LTV_DS_D_TO_S		(1 << 12)
+#define LTV_DS_S_TO_D		(2 << 12)
+#define LTV_CHS_384		(0 <<  9)
+#define LTV_CHS_480		(1 <<  9)
+#define LTV_CHS_492		(2 <<  9)
+#define LTV_DF_RGB		(0 <<  6)
+#define LTV_DF_RGBX		(1 <<  6)
+#define LTV_DF_XRGB		(2 <<  6)
+#define LTV_RGB_RGB		(0 <<  2)
+#define LTV_RGB_BGR		(1 <<  2)
+#define LTV_RGB_GRB		(2 <<  2)
+#define LTV_RGB_RBG		(3 <<  2)
+
+/* Bit definitions for LTV_ENTRY_MODE */
+#define LTV_VSPL_ACTIVE_LOW	(0 << 15)
+#define LTV_VSPL_ACTIVE_HIGH	(1 << 15)
+#define LTV_HSPL_ACTIVE_LOW	(0 << 14)
+#define LTV_HSPL_ACTIVE_HIGH	(1 << 14)
+#define LTV_DPL_SAMPLE_RISING	(0 << 13)
+#define LTV_DPL_SAMPLE_FALLING	(1 << 13)
+#define LTV_EPL_ACTIVE_LOW	(0 << 12)
+#define LTV_EPL_ACTIVE_HIGH	(1 << 12)
+#define LTV_SS_LEFT_TO_RIGHT	(0 <<  8)
+#define LTV_SS_RIGHT_TO_LEFT	(1 <<  8)
+#define LTV_STB			(1 <<  1)
+
+/* Bit definitions for LTV_GATECTL1 */
+#define LTV_CLW(x)		(((x) & 0x0007) << 12)
+#define LTV_GAON		(1 <<  5)
+#define LTV_SDR			(1 <<  3)
+
+/* Bit definitions for LTV_GATECTL2 */
+#define LTV_NW_INV_FRAME	(0 << 14)
+#define LTV_NW_INV_1LINE	(1 << 14)
+#define LTV_NW_INV_2LINE	(2 << 14)
+#define LTV_DSC			(1 << 12)
+#define LTV_GIF			(1 <<  8)
+#define LTV_FHN			(1 <<  7)
+#define LTV_FTI(x)		(((x) & 0x0003) << 4)
+#define LTV_FWI(x)		(((x) & 0x0003) << 0)
+
+/* Bit definitions for LTV_SOTCTL */
+#define LTV_SDT(x)		(((x) & 0x0007) << 10)
+#define LTV_EQ(x)		(((x) & 0x0007) <<  2)
+
+/* Bit definitions for LTV_PWRCTL1 */
+#define LTV_VCOM_DISABLE	(1 << 14)
+#define LTV_VCOMOUT_ENABLE	(1 << 11)
+#define LTV_POWER_ON		(1 <<  9)
+#define LTV_DRIVE_CURRENT(x)	(((x) & 0x0007) << 4)	/* 0=off, 5=max */
+#define LTV_SUPPLY_CURRENT(x)	(((x) & 0x0007) << 0)	/* 0=off, 5=max */
+
+/* Bit definitions for LTV_PWRCTL2 */
+#define LTV_VCOML_ENABLE	(1 << 13)
+#define LTV_VCOML_VOLTAGE(x)	(((x) & 0x001f) << 8)	/* 0=1V, 31=-1V */
+#define LTV_VCOMH_VOLTAGE(x)	(((x) & 0x001f) << 0)	/* 0=3V, 31=4.5V */
+
+#endif /* __LTV350QV_H */