Merge branch 'pxa-all' into devel

Conflicts:

	arch/arm/mach-pxa/Kconfig
	arch/arm/mach-pxa/corgi.c
	arch/arm/mach-pxa/include/mach/hardware.h
	arch/arm/mach-pxa/spitz.c

10 files changed, 1237 insertions, 451 deletions

diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 70d135e0cc4..d85a74c64b5 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -172,11 +172,6 @@ config FB_DEFERRED_IO
 	bool
 	depends on FB
 
-config FB_METRONOME
-	tristate
-	depends on FB
-	depends on FB_DEFERRED_IO
-
 config FB_HECUBA
 	tristate
 	depends on FB
@@ -1974,19 +1969,6 @@ config FB_XILINX
 	  framebuffer. ML300 carries a 640*480 LCD display on the board,
 	  ML403 uses a standard DB15 VGA connector.
 
-config FB_AM200EPD
-       tristate "AM-200 E-Ink EPD devkit support"
-       depends on FB && ARCH_PXA && MMU
-       select FB_SYS_FILLRECT
-       select FB_SYS_COPYAREA
-       select FB_SYS_IMAGEBLIT
-       select FB_SYS_FOPS
-       select FB_DEFERRED_IO
-       select FB_METRONOME
-       help
-         This enables support for the Metronome display controller used on
-         the E-Ink AM-200 EPD devkit.
-
 config FB_COBALT
 	tristate "Cobalt server LCD frame buffer support"
 	depends on FB && MIPS_COBALT
@@ -2041,6 +2023,19 @@ config XEN_FBDEV_FRONTEND
 	  frame buffer driver.  It communicates with a back-end
 	  in another domain.
 
+config FB_METRONOME
+	tristate "E-Ink Metronome/8track controller support"
+	depends on FB
+	select FB_SYS_FILLRECT
+	select FB_SYS_COPYAREA
+	select FB_SYS_IMAGEBLIT
+	select FB_SYS_FOPS
+	select FB_DEFERRED_IO
+	help
+	  This driver implements support for the E-Ink Metronome
+	  controller. The pre-release name for this device was 8track
+	  and could also have been called by some vendors as PVI-nnnn.
+
 source "drivers/video/omap/Kconfig"
 
 source "drivers/video/backlight/Kconfig"
diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index a6b55297a7f..ad0330bf9be 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -29,7 +29,6 @@ obj-$(CONFIG_FB_DEFERRED_IO)   += fb_defio.o
 
 # Hardware specific drivers go first
 obj-$(CONFIG_FB_AMIGA)            += amifb.o c2p.o
-obj-$(CONFIG_FB_AM200EPD)         += am200epd.o
 obj-$(CONFIG_FB_ARC)              += arcfb.o
 obj-$(CONFIG_FB_CLPS711X)         += clps711xfb.o
 obj-$(CONFIG_FB_CYBER2000)        += cyber2000fb.o
diff --git a/drivers/video/am200epd.c b/drivers/video/am200epd.c
deleted file mode 100644
index 0c35b8b0160..00000000000
--- a/drivers/video/am200epd.c
+++ /dev/null
@@ -1,295 +0,0 @@
-/*
- * linux/drivers/video/am200epd.c -- Platform device for AM200 EPD kit
- *
- * Copyright (C) 2008, Jaya Kumar
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file COPYING in the main directory of this archive for
- * more details.
- *
- * Layout is based on skeletonfb.c by James Simmons and Geert Uytterhoeven.
- *
- * This work was made possible by help and equipment support from E-Ink
- * Corporation. http://support.eink.com/community
- *
- * This driver is written to be used with the Metronome display controller.
- * on the AM200 EPD prototype kit/development kit with an E-Ink 800x600
- * Vizplex EPD on a Gumstix board using the Lyre interface board.
- *
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/delay.h>
-#include <linux/interrupt.h>
-#include <linux/fb.h>
-#include <linux/init.h>
-#include <linux/platform_device.h>
-#include <linux/list.h>
-#include <linux/uaccess.h>
-#include <linux/irq.h>
-
-#include <video/metronomefb.h>
-
-#include <mach/pxa-regs.h>
-
-/* register offsets for gpio control */
-#define LED_GPIO_PIN 51
-#define STDBY_GPIO_PIN 48
-#define RST_GPIO_PIN 49
-#define RDY_GPIO_PIN 32
-#define ERR_GPIO_PIN 17
-#define PCBPWR_GPIO_PIN 16
-
-#define AF_SEL_GPIO_N 0x3
-#define GAFR0_U_OFFSET(pin) ((pin - 16) * 2)
-#define GAFR1_L_OFFSET(pin) ((pin - 32) * 2)
-#define GAFR1_U_OFFSET(pin) ((pin - 48) * 2)
-#define GPDR1_OFFSET(pin) (pin - 32)
-#define GPCR1_OFFSET(pin) (pin - 32)
-#define GPSR1_OFFSET(pin) (pin - 32)
-#define GPCR0_OFFSET(pin) (pin)
-#define GPSR0_OFFSET(pin) (pin)
-
-static void am200_set_gpio_output(int pin, int val)
-{
-	u8 index;
-
-	index = pin >> 4;
-
-	switch (index) {
-	case 1:
-		if (val)
-			GPSR0 |= (1 << GPSR0_OFFSET(pin));
-		else
-			GPCR0 |= (1 << GPCR0_OFFSET(pin));
-		break;
-	case 2:
-		break;
-	case 3:
-		if (val)
-			GPSR1 |= (1 << GPSR1_OFFSET(pin));
-		else
-			GPCR1 |= (1 << GPCR1_OFFSET(pin));
-		break;
-	default:
-		printk(KERN_ERR "unimplemented\n");
-	}
-}
-
-static void __devinit am200_init_gpio_pin(int pin, int dir)
-{
-	u8 index;
-	/* dir 0 is output, 1 is input
-	- do 2 things here:
-	- set gpio alternate function to standard gpio
-	- set gpio direction to input or output  */
-
-	index = pin >> 4;
-	switch (index) {
-	case 1:
-		GAFR0_U &= ~(AF_SEL_GPIO_N << GAFR0_U_OFFSET(pin));
-
-		if (dir)
-			GPDR0 &= ~(1 << pin);
-		else
-			GPDR0 |= (1 << pin);
-		break;
-	case 2:
-		GAFR1_L &= ~(AF_SEL_GPIO_N << GAFR1_L_OFFSET(pin));
-
-		if (dir)
-			GPDR1 &= ~(1 << GPDR1_OFFSET(pin));
-		else
-			GPDR1 |= (1 << GPDR1_OFFSET(pin));
-		break;
-	case 3:
-		GAFR1_U &= ~(AF_SEL_GPIO_N << GAFR1_U_OFFSET(pin));
-
-		if (dir)
-			GPDR1 &= ~(1 << GPDR1_OFFSET(pin));
-		else
-			GPDR1 |= (1 << GPDR1_OFFSET(pin));
-		break;
-	default:
-		printk(KERN_ERR "unimplemented\n");
-	}
-}
-
-static void am200_init_gpio_regs(struct metronomefb_par *par)
-{
-	am200_init_gpio_pin(LED_GPIO_PIN, 0);
-	am200_set_gpio_output(LED_GPIO_PIN, 0);
-
-	am200_init_gpio_pin(STDBY_GPIO_PIN, 0);
-	am200_set_gpio_output(STDBY_GPIO_PIN, 0);
-
-	am200_init_gpio_pin(RST_GPIO_PIN, 0);
-	am200_set_gpio_output(RST_GPIO_PIN, 0);
-
-	am200_init_gpio_pin(RDY_GPIO_PIN, 1);
-
-	am200_init_gpio_pin(ERR_GPIO_PIN, 1);
-
-	am200_init_gpio_pin(PCBPWR_GPIO_PIN, 0);
-	am200_set_gpio_output(PCBPWR_GPIO_PIN, 0);
-}
-
-static void am200_disable_lcd_controller(struct metronomefb_par *par)
-{
-	LCSR = 0xffffffff;	/* Clear LCD Status Register */
-	LCCR0 |= LCCR0_DIS;	/* Disable LCD Controller */
-
-	/* we reset and just wait for things to settle */
-	msleep(200);
-}
-
-static void am200_enable_lcd_controller(struct metronomefb_par *par)
-{
-	LCSR = 0xffffffff;
-	FDADR0 = par->metromem_desc_dma;
-	LCCR0 |= LCCR0_ENB;
-}
-
-static void am200_init_lcdc_regs(struct metronomefb_par *par)
-{
-	/* here we do:
-	- disable the lcd controller
-	- setup lcd control registers
-	- setup dma descriptor
-	- reenable lcd controller
-	*/
-
-	/* disable the lcd controller */
-	am200_disable_lcd_controller(par);
-
-	/* setup lcd control registers */
-	LCCR0 = LCCR0_LDM | LCCR0_SFM | LCCR0_IUM | LCCR0_EFM | LCCR0_PAS
-		| LCCR0_QDM | LCCR0_BM | LCCR0_OUM;
-
-	LCCR1 = (par->info->var.xres/2 - 1) /* pixels per line */
-		| (27 << 10) /* hsync pulse width - 1 */
-		| (33 << 16) /* eol pixel count */
-		| (33 << 24); /* bol pixel count */
-
-	LCCR2 = (par->info->var.yres - 1) /* lines per panel */
-		| (24 << 10) /* vsync pulse width - 1 */
-		| (2 << 16) /* eof pixel count */
-		| (0 << 24); /* bof pixel count */
-
-	LCCR3 = 2 /* pixel clock divisor */
-		| (24 << 8) /* AC Bias pin freq */
-		| LCCR3_16BPP /* BPP */
-		| LCCR3_PCP;  /* PCP falling edge */
-
-}
-
-static void am200_post_dma_setup(struct metronomefb_par *par)
-{
-	par->metromem_desc->mFDADR0 = par->metromem_desc_dma;
-	par->metromem_desc->mFSADR0 = par->metromem_dma;
-	par->metromem_desc->mFIDR0 = 0;
-	par->metromem_desc->mLDCMD0 = par->info->var.xres
-					* par->info->var.yres;
-	am200_enable_lcd_controller(par);
-}
-
-static void am200_free_irq(struct fb_info *info)
-{
-	free_irq(IRQ_GPIO(RDY_GPIO_PIN), info);
-}
-
-static irqreturn_t am200_handle_irq(int irq, void *dev_id)
-{
-	struct fb_info *info = dev_id;
-	struct metronomefb_par *par = info->par;
-
-	wake_up_interruptible(&par->waitq);
-	return IRQ_HANDLED;
-}
-
-static int am200_setup_irq(struct fb_info *info)
-{
-	int retval;
-
-	retval = request_irq(IRQ_GPIO(RDY_GPIO_PIN), am200_handle_irq,
-				IRQF_DISABLED, "AM200", info);
-	if (retval) {
-		printk(KERN_ERR "am200epd: request_irq failed: %d\n", retval);
-		return retval;
-	}
-
-	return set_irq_type(IRQ_GPIO(RDY_GPIO_PIN), IRQ_TYPE_EDGE_FALLING);
-}
-
-static void am200_set_rst(struct metronomefb_par *par, int state)
-{
-	am200_set_gpio_output(RST_GPIO_PIN, state);
-}
-
-static void am200_set_stdby(struct metronomefb_par *par, int state)
-{
-	am200_set_gpio_output(STDBY_GPIO_PIN, state);
-}
-
-static int am200_wait_event(struct metronomefb_par *par)
-{
-	return wait_event_timeout(par->waitq, (GPLR1 & 0x01), HZ);
-}
-
-static int am200_wait_event_intr(struct metronomefb_par *par)
-{
-	return wait_event_interruptible_timeout(par->waitq, (GPLR1 & 0x01), HZ);
-}
-
-static struct metronome_board am200_board = {
-	.owner			= THIS_MODULE,
-	.free_irq		= am200_free_irq,
-	.setup_irq		= am200_setup_irq,
-	.init_gpio_regs		= am200_init_gpio_regs,
-	.init_lcdc_regs		= am200_init_lcdc_regs,
-	.post_dma_setup		= am200_post_dma_setup,
-	.set_rst		= am200_set_rst,
-	.set_stdby		= am200_set_stdby,
-	.met_wait_event		= am200_wait_event,
-	.met_wait_event_intr	= am200_wait_event_intr,
-};
-
-static struct platform_device *am200_device;
-
-static int __init am200_init(void)
-{
-	int ret;
-
-	/* request our platform independent driver */
-	request_module("metronomefb");
-
-	am200_device = platform_device_alloc("metronomefb", -1);
-	if (!am200_device)
-		return -ENOMEM;
-
-	platform_device_add_data(am200_device, &am200_board,
-					sizeof(am200_board));
-
-	/* this _add binds metronomefb to am200. metronomefb refcounts am200 */
-	ret = platform_device_add(am200_device);
-
-	if (ret)
-		platform_device_put(am200_device);
-
-	return ret;
-}
-
-static void __exit am200_exit(void)
-{
-	platform_device_unregister(am200_device);
-}
-
-module_init(am200_init);
-module_exit(am200_exit);
-
-MODULE_DESCRIPTION("board driver for am200 metronome epd kit");
-MODULE_AUTHOR("Jaya Kumar");
-MODULE_LICENSE("GPL");
diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
index 452b770d8cc..c72a1356295 100644
--- a/drivers/video/backlight/Kconfig
+++ b/drivers/video/backlight/Kconfig
@@ -24,6 +24,13 @@ 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_CORGI
+	tristate "LCD Panel support for SHARP corgi/spitz model"
+	depends on LCD_CLASS_DEVICE && SPI_MASTER && PXA_SHARPSL
+	help
+	  Say y here to support the LCD panels usually found on SHARP
+	  corgi (C7x0) and spitz (Cxx00) models.
+
 config LCD_LTV350QV
 	tristate "Samsung LTV350QV LCD Panel"
 	depends on LCD_CLASS_DEVICE && SPI_MASTER
@@ -44,6 +51,14 @@ config LCD_ILI9320
 	  If you have a panel based on the ILI9320 controller chip
 	  then say y to include a power driver for it.
 
+config LCD_TDO24M
+	tristate "Toppoly TDO24M LCD Panels support"
+	depends on LCD_CLASS_DEVICE && SPI_MASTER
+	default n
+	help
+	  If you have a Toppoly TDO24M series LCD panel, say y here to
+	  include the support for it.
+
 config LCD_VGG2432A4
 	tristate "VGG2432A4 LCM device support"
 	depends on BACKLIGHT_LCD_SUPPORT && LCD_CLASS_DEVICE && SPI_MASTER
diff --git a/drivers/video/backlight/Makefile b/drivers/video/backlight/Makefile
index b405aace803..3ec551eb472 100644
--- a/drivers/video/backlight/Makefile
+++ b/drivers/video/backlight/Makefile
@@ -1,10 +1,12 @@
 # Backlight & LCD drivers
 
 obj-$(CONFIG_LCD_CLASS_DEVICE)     += lcd.o
+obj-$(CONFIG_LCD_CORGI)		   += corgi_lcd.o
 obj-$(CONFIG_LCD_LTV350QV)	   += ltv350qv.o
 obj-$(CONFIG_LCD_ILI9320)	   += ili9320.o
 obj-$(CONFIG_LCD_PLATFORM)	   += platform_lcd.o
 obj-$(CONFIG_LCD_VGG2432A4)	   += vgg2432a4.o
+obj-$(CONFIG_LCD_TDO24M)	   += tdo24m.o
 
 obj-$(CONFIG_BACKLIGHT_CLASS_DEVICE) += backlight.o
 obj-$(CONFIG_BACKLIGHT_ATMEL_PWM)    += atmel-pwm-bl.o
diff --git a/drivers/video/backlight/corgi_lcd.c b/drivers/video/backlight/corgi_lcd.c
new file mode 100644
index 00000000000..2afd47eefe7
--- /dev/null
+++ b/drivers/video/backlight/corgi_lcd.c
@@ -0,0 +1,641 @@
+/*
+ *  LCD/Backlight Driver for Sharp Zaurus Handhelds (various models)
+ *
+ *  Copyright (c) 2004-2006 Richard Purdie
+ *
+ *  Based on Sharp's 2.4 Backlight Driver
+ *
+ *  Copyright (c) 2008 Marvell International Ltd.
+ *  	Converted to SPI device based LCD/Backlight device driver
+ *  	by Eric Miao <eric.miao@marvell.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/init.h>
+#include <linux/delay.h>
+#include <linux/gpio.h>
+#include <linux/fb.h>
+#include <linux/lcd.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/corgi_lcd.h>
+#include <asm/mach/sharpsl_param.h>
+
+#define POWER_IS_ON(pwr)	((pwr) <= FB_BLANK_NORMAL)
+
+/* Register Addresses */
+#define RESCTL_ADRS     0x00
+#define PHACTRL_ADRS    0x01
+#define DUTYCTRL_ADRS   0x02
+#define POWERREG0_ADRS  0x03
+#define POWERREG1_ADRS  0x04
+#define GPOR3_ADRS      0x05
+#define PICTRL_ADRS     0x06
+#define POLCTRL_ADRS    0x07
+
+/* Register Bit Definitions */
+#define RESCTL_QVGA     0x01
+#define RESCTL_VGA      0x00
+
+#define POWER1_VW_ON    0x01  /* VW Supply FET ON */
+#define POWER1_GVSS_ON  0x02  /* GVSS(-8V) Power Supply ON */
+#define POWER1_VDD_ON   0x04  /* VDD(8V),SVSS(-4V) Power Supply ON */
+
+#define POWER1_VW_OFF   0x00  /* VW Supply FET OFF */
+#define POWER1_GVSS_OFF 0x00  /* GVSS(-8V) Power Supply OFF */
+#define POWER1_VDD_OFF  0x00  /* VDD(8V),SVSS(-4V) Power Supply OFF */
+
+#define POWER0_COM_DCLK 0x01  /* COM Voltage DC Bias DAC Serial Data Clock */
+#define POWER0_COM_DOUT 0x02  /* COM Voltage DC Bias DAC Serial Data Out */
+#define POWER0_DAC_ON   0x04  /* DAC Power Supply ON */
+#define POWER0_COM_ON   0x08  /* COM Power Supply ON */
+#define POWER0_VCC5_ON  0x10  /* VCC5 Power Supply ON */
+
+#define POWER0_DAC_OFF  0x00  /* DAC Power Supply OFF */
+#define POWER0_COM_OFF  0x00  /* COM Power Supply OFF */
+#define POWER0_VCC5_OFF 0x00  /* VCC5 Power Supply OFF */
+
+#define PICTRL_INIT_STATE      0x01
+#define PICTRL_INIOFF          0x02
+#define PICTRL_POWER_DOWN      0x04
+#define PICTRL_COM_SIGNAL_OFF  0x08
+#define PICTRL_DAC_SIGNAL_OFF  0x10
+
+#define POLCTRL_SYNC_POL_FALL  0x01
+#define POLCTRL_EN_POL_FALL    0x02
+#define POLCTRL_DATA_POL_FALL  0x04
+#define POLCTRL_SYNC_ACT_H     0x08
+#define POLCTRL_EN_ACT_L       0x10
+
+#define POLCTRL_SYNC_POL_RISE  0x00
+#define POLCTRL_EN_POL_RISE    0x00
+#define POLCTRL_DATA_POL_RISE  0x00
+#define POLCTRL_SYNC_ACT_L     0x00
+#define POLCTRL_EN_ACT_H       0x00
+
+#define PHACTRL_PHASE_MANUAL   0x01
+#define DEFAULT_PHAD_QVGA     (9)
+#define DEFAULT_COMADJ        (125)
+
+struct corgi_lcd {
+	struct spi_device	*spi_dev;
+	struct lcd_device	*lcd_dev;
+	struct backlight_device	*bl_dev;
+
+	int	limit_mask;
+	int	intensity;
+	int	power;
+	int	mode;
+	char	buf[2];
+
+	int	gpio_backlight_on;
+	int	gpio_backlight_cont;
+	int	gpio_backlight_cont_inverted;
+
+	void (*kick_battery)(void);
+};
+
+static int corgi_ssp_lcdtg_send(struct corgi_lcd *lcd, int reg, uint8_t val);
+
+static struct corgi_lcd *the_corgi_lcd;
+static unsigned long corgibl_flags;
+#define CORGIBL_SUSPENDED     0x01
+#define CORGIBL_BATTLOW       0x02
+
+/*
+ * This is only a psuedo I2C interface. We can't use the standard kernel
+ * routines as the interface is write only. We just assume the data is acked...
+ */
+static void lcdtg_ssp_i2c_send(struct corgi_lcd *lcd, uint8_t data)
+{
+	corgi_ssp_lcdtg_send(lcd, POWERREG0_ADRS, data);
+	udelay(10);
+}
+
+static void lcdtg_i2c_send_bit(struct corgi_lcd *lcd, uint8_t data)
+{
+	lcdtg_ssp_i2c_send(lcd, data);
+	lcdtg_ssp_i2c_send(lcd, data | POWER0_COM_DCLK);
+	lcdtg_ssp_i2c_send(lcd, data);
+}
+
+static void lcdtg_i2c_send_start(struct corgi_lcd *lcd, uint8_t base)
+{
+	lcdtg_ssp_i2c_send(lcd, base | POWER0_COM_DCLK | POWER0_COM_DOUT);
+	lcdtg_ssp_i2c_send(lcd, base | POWER0_COM_DCLK);
+	lcdtg_ssp_i2c_send(lcd, base);
+}
+
+static void lcdtg_i2c_send_stop(struct corgi_lcd *lcd, uint8_t base)
+{
+	lcdtg_ssp_i2c_send(lcd, base);
+	lcdtg_ssp_i2c_send(lcd, base | POWER0_COM_DCLK);
+	lcdtg_ssp_i2c_send(lcd, base | POWER0_COM_DCLK | POWER0_COM_DOUT);
+}
+
+static void lcdtg_i2c_send_byte(struct corgi_lcd *lcd,
+				uint8_t base, uint8_t data)
+{
+	int i;
+	for (i = 0; i < 8; i++) {
+		if (data & 0x80)
+			lcdtg_i2c_send_bit(lcd, base | POWER0_COM_DOUT);
+		else
+			lcdtg_i2c_send_bit(lcd, base);
+		data <<= 1;
+	}
+}
+
+static void lcdtg_i2c_wait_ack(struct corgi_lcd *lcd, uint8_t base)
+{
+	lcdtg_i2c_send_bit(lcd, base);
+}
+
+static void lcdtg_set_common_voltage(struct corgi_lcd *lcd,
+				     uint8_t base_data, uint8_t data)
+{
+	/* Set Common Voltage to M62332FP via I2C */
+	lcdtg_i2c_send_start(lcd, base_data);
+	lcdtg_i2c_send_byte(lcd, base_data, 0x9c);
+	lcdtg_i2c_wait_ack(lcd, base_data);
+	lcdtg_i2c_send_byte(lcd, base_data, 0x00);
+	lcdtg_i2c_wait_ack(lcd, base_data);
+	lcdtg_i2c_send_byte(lcd, base_data, data);
+	lcdtg_i2c_wait_ack(lcd, base_data);
+	lcdtg_i2c_send_stop(lcd, base_data);
+}
+
+static int corgi_ssp_lcdtg_send(struct corgi_lcd *lcd, int adrs, uint8_t data)
+{
+	struct spi_message msg;
+	struct spi_transfer xfer = {
+		.len		= 1,
+		.cs_change	= 1,
+		.tx_buf		= lcd->buf,
+	};
+
+	lcd->buf[0] = ((adrs & 0x07) << 5) | (data & 0x1f);
+	spi_message_init(&msg);
+	spi_message_add_tail(&xfer, &msg);
+
+	return spi_sync(lcd->spi_dev, &msg);
+}
+
+/* Set Phase Adjust */
+static void lcdtg_set_phadadj(struct corgi_lcd *lcd, int mode)
+{
+	int adj;
+
+	switch(mode) {
+	case CORGI_LCD_MODE_VGA:
+		/* Setting for VGA */
+		adj = sharpsl_param.phadadj;
+		adj = (adj < 0) ? PHACTRL_PHASE_MANUAL :
+				  PHACTRL_PHASE_MANUAL | ((adj & 0xf) << 1);
+		break;
+	case CORGI_LCD_MODE_QVGA:
+	default:
+		/* Setting for QVGA */
+		adj = (DEFAULT_PHAD_QVGA << 1) | PHACTRL_PHASE_MANUAL;
+		break;
+	}
+
+	corgi_ssp_lcdtg_send(lcd, PHACTRL_ADRS, adj);
+}
+
+static void corgi_lcd_power_on(struct corgi_lcd *lcd)
+{
+	int comadj;
+
+	/* Initialize Internal Logic & Port */
+	corgi_ssp_lcdtg_send(lcd, PICTRL_ADRS,
+			PICTRL_POWER_DOWN | PICTRL_INIOFF |
+			PICTRL_INIT_STATE | PICTRL_COM_SIGNAL_OFF |
+			PICTRL_DAC_SIGNAL_OFF);
+
+	corgi_ssp_lcdtg_send(lcd, POWERREG0_ADRS,
+			POWER0_COM_DCLK | POWER0_COM_DOUT | POWER0_DAC_OFF |
+			POWER0_COM_OFF | POWER0_VCC5_OFF);
+
+	corgi_ssp_lcdtg_send(lcd, POWERREG1_ADRS,
+			POWER1_VW_OFF | POWER1_GVSS_OFF | POWER1_VDD_OFF);
+
+	/* VDD(+8V), SVSS(-4V) ON */
+	corgi_ssp_lcdtg_send(lcd, POWERREG1_ADRS,
+			POWER1_VW_OFF | POWER1_GVSS_OFF | POWER1_VDD_ON);
+	mdelay(3);
+
+	/* DAC ON */
+	corgi_ssp_lcdtg_send(lcd, POWERREG0_ADRS,
+			POWER0_COM_DCLK | POWER0_COM_DOUT | POWER0_DAC_ON |
+			POWER0_COM_OFF | POWER0_VCC5_OFF);
+
+	/* INIB = H, INI = L  */
+	/* PICTL[0] = H , PICTL[1] = PICTL[2] = PICTL[4] = L */
+	corgi_ssp_lcdtg_send(lcd, PICTRL_ADRS,
+			PICTRL_INIT_STATE | PICTRL_COM_SIGNAL_OFF);
+
+	/* Set Common Voltage */
+	comadj = sharpsl_param.comadj;
+	if (comadj < 0)
+		comadj = DEFAULT_COMADJ;
+
+	lcdtg_set_common_voltage(lcd, POWER0_DAC_ON | POWER0_COM_OFF |
+				 POWER0_VCC5_OFF, comadj);
+
+	/* VCC5 ON, DAC ON */
+	corgi_ssp_lcdtg_send(lcd, POWERREG0_ADRS,
+			POWER0_COM_DCLK | POWER0_COM_DOUT | POWER0_DAC_ON |
+			POWER0_COM_OFF | POWER0_VCC5_ON);
+
+	/* GVSS(-8V) ON, VDD ON */
+	corgi_ssp_lcdtg_send(lcd, POWERREG1_ADRS,
+			POWER1_VW_OFF | POWER1_GVSS_ON | POWER1_VDD_ON);
+	mdelay(2);
+
+	/* COM SIGNAL ON (PICTL[3] = L) */
+	corgi_ssp_lcdtg_send(lcd, PICTRL_ADRS, PICTRL_INIT_STATE);
+
+	/* COM ON, DAC ON, VCC5_ON */
+	corgi_ssp_lcdtg_send(lcd, POWERREG0_ADRS,
+			POWER0_COM_DCLK | POWER0_COM_DOUT | POWER0_DAC_ON |
+			POWER0_COM_ON | POWER0_VCC5_ON);
+
+	/* VW ON, GVSS ON, VDD ON */
+	corgi_ssp_lcdtg_send(lcd, POWERREG1_ADRS,
+			POWER1_VW_ON | POWER1_GVSS_ON | POWER1_VDD_ON);
+
+	/* Signals output enable */
+	corgi_ssp_lcdtg_send(lcd, PICTRL_ADRS, 0);
+
+	/* Set Phase Adjust */
+	lcdtg_set_phadadj(lcd, lcd->mode);
+
+	/* Initialize for Input Signals from ATI */
+	corgi_ssp_lcdtg_send(lcd, POLCTRL_ADRS,
+			POLCTRL_SYNC_POL_RISE | POLCTRL_EN_POL_RISE |
+			POLCTRL_DATA_POL_RISE | POLCTRL_SYNC_ACT_L |
+			POLCTRL_EN_ACT_H);
+	udelay(1000);
+
+	switch (lcd->mode) {
+	case CORGI_LCD_MODE_VGA:
+		corgi_ssp_lcdtg_send(lcd, RESCTL_ADRS, RESCTL_VGA);
+		break;
+	case CORGI_LCD_MODE_QVGA:
+	default:
+		corgi_ssp_lcdtg_send(lcd, RESCTL_ADRS, RESCTL_QVGA);
+		break;
+	}
+}
+
+static void corgi_lcd_power_off(struct corgi_lcd *lcd)
+{
+	/* 60Hz x 2 frame = 16.7msec x 2 = 33.4 msec */
+	msleep(34);
+
+	/* (1)VW OFF */
+	corgi_ssp_lcdtg_send(lcd, POWERREG1_ADRS,
+			POWER1_VW_OFF | POWER1_GVSS_ON | POWER1_VDD_ON);
+
+	/* (2)COM OFF */
+	corgi_ssp_lcdtg_send(lcd, PICTRL_ADRS, PICTRL_COM_SIGNAL_OFF);
+	corgi_ssp_lcdtg_send(lcd, POWERREG0_ADRS,
+			POWER0_DAC_ON | POWER0_COM_OFF | POWER0_VCC5_ON);
+
+	/* (3)Set Common Voltage Bias 0V */
+	lcdtg_set_common_voltage(lcd, POWER0_DAC_ON | POWER0_COM_OFF |
+			POWER0_VCC5_ON, 0);
+
+	/* (4)GVSS OFF */
+	corgi_ssp_lcdtg_send(lcd, POWERREG1_ADRS,
+			POWER1_VW_OFF | POWER1_GVSS_OFF | POWER1_VDD_ON);
+
+	/* (5)VCC5 OFF */
+	corgi_ssp_lcdtg_send(lcd, POWERREG0_ADRS,
+			POWER0_DAC_ON | POWER0_COM_OFF | POWER0_VCC5_OFF);
+
+	/* (6)Set PDWN, INIOFF, DACOFF */
+	corgi_ssp_lcdtg_send(lcd, PICTRL_ADRS,
+			PICTRL_INIOFF | PICTRL_DAC_SIGNAL_OFF |
+			PICTRL_POWER_DOWN | PICTRL_COM_SIGNAL_OFF);
+
+	/* (7)DAC OFF */
+	corgi_ssp_lcdtg_send(lcd, POWERREG0_ADRS,
+			POWER0_DAC_OFF | POWER0_COM_OFF | POWER0_VCC5_OFF);
+
+	/* (8)VDD OFF */
+	corgi_ssp_lcdtg_send(lcd, POWERREG1_ADRS,
+			POWER1_VW_OFF | POWER1_GVSS_OFF | POWER1_VDD_OFF);
+}
+
+static int corgi_lcd_set_mode(struct lcd_device *ld, struct fb_videomode *m)
+{
+	struct corgi_lcd *lcd = dev_get_drvdata(&ld->dev);
+	int mode = CORGI_LCD_MODE_QVGA;
+
+	if (m->xres == 640 || m->xres == 480)
+		mode = CORGI_LCD_MODE_VGA;
+
+	if (lcd->mode == mode)
+		return 0;
+
+	lcdtg_set_phadadj(lcd, mode);
+
+	switch (mode) {
+	case CORGI_LCD_MODE_VGA:
+		corgi_ssp_lcdtg_send(lcd, RESCTL_ADRS, RESCTL_VGA);
+		break;
+	case CORGI_LCD_MODE_QVGA:
+	default:
+		corgi_ssp_lcdtg_send(lcd, RESCTL_ADRS, RESCTL_QVGA);
+		break;
+	}
+
+	lcd->mode = mode;
+	return 0;
+}
+
+static int corgi_lcd_set_power(struct lcd_device *ld, int power)
+{
+	struct corgi_lcd *lcd = dev_get_drvdata(&ld->dev);
+
+	if (POWER_IS_ON(power) && !POWER_IS_ON(lcd->power))
+		corgi_lcd_power_on(lcd);
+
+	if (!POWER_IS_ON(power) && POWER_IS_ON(lcd->power))
+		corgi_lcd_power_off(lcd);
+
+	lcd->power = power;
+	return 0;
+}
+
+static int corgi_lcd_get_power(struct lcd_device *ld)
+{
+	struct corgi_lcd *lcd = dev_get_drvdata(&ld->dev);
+
+	return lcd->power;
+}
+
+static struct lcd_ops corgi_lcd_ops = {
+	.get_power	= corgi_lcd_get_power,
+	.set_power	= corgi_lcd_set_power,
+	.set_mode	= corgi_lcd_set_mode,
+};
+
+static int corgi_bl_get_intensity(struct backlight_device *bd)
+{
+	struct corgi_lcd *lcd = dev_get_drvdata(&bd->dev);
+
+	return lcd->intensity;
+}
+
+static int corgi_bl_set_intensity(struct corgi_lcd *lcd, int intensity)
+{
+	int cont;
+
+	if (intensity > 0x10)
+		intensity += 0x10;
+
+	corgi_ssp_lcdtg_send(lcd, DUTYCTRL_ADRS, intensity);
+
+	/* Bit 5 via GPIO_BACKLIGHT_CONT */
+	cont = !!(intensity & 0x20) ^ lcd->gpio_backlight_cont_inverted;
+
+	if (gpio_is_valid(lcd->gpio_backlight_cont))
+		gpio_set_value(lcd->gpio_backlight_cont, cont);
+
+	if (gpio_is_valid(lcd->gpio_backlight_on))
+		gpio_set_value(lcd->gpio_backlight_on, intensity);
+
+	if (lcd->kick_battery)
+		lcd->kick_battery();
+
+	lcd->intensity = intensity;
+	return 0;
+}
+
+static int corgi_bl_update_status(struct backlight_device *bd)
+{
+	struct corgi_lcd *lcd = dev_get_drvdata(&bd->dev);
+	int intensity = bd->props.brightness;
+
+	if (bd->props.power != FB_BLANK_UNBLANK)
+		intensity = 0;
+
+	if (bd->props.fb_blank != FB_BLANK_UNBLANK)
+		intensity = 0;
+
+	if (corgibl_flags & CORGIBL_SUSPENDED)
+		intensity = 0;
+	if (corgibl_flags & CORGIBL_BATTLOW)
+		intensity &= lcd->limit_mask;
+
+	return corgi_bl_set_intensity(lcd, intensity);
+}
+
+void corgibl_limit_intensity(int limit)
+{
+	if (limit)
+		corgibl_flags |= CORGIBL_BATTLOW;
+	else
+		corgibl_flags &= ~CORGIBL_BATTLOW;
+
+	backlight_update_status(the_corgi_lcd->bl_dev);
+}
+EXPORT_SYMBOL(corgibl_limit_intensity);
+
+static struct backlight_ops corgi_bl_ops = {
+	.get_brightness	= corgi_bl_get_intensity,
+	.update_status  = corgi_bl_update_status,
+};
+
+#ifdef CONFIG_PM
+static int corgi_lcd_suspend(struct spi_device *spi, pm_message_t state)
+{
+	struct corgi_lcd *lcd = dev_get_drvdata(&spi->dev);
+
+	corgibl_flags |= CORGIBL_SUSPENDED;
+	corgi_bl_set_intensity(lcd, 0);
+	corgi_lcd_set_power(lcd->lcd_dev, FB_BLANK_POWERDOWN);
+	return 0;
+}
+
+static int corgi_lcd_resume(struct spi_device *spi)
+{
+	struct corgi_lcd *lcd = dev_get_drvdata(&spi->dev);
+
+	corgibl_flags &= ~CORGIBL_SUSPENDED;
+	corgi_lcd_set_power(lcd->lcd_dev, FB_BLANK_UNBLANK);
+	backlight_update_status(lcd->bl_dev);
+	return 0;
+}
+#else
+#define corgi_lcd_suspend	NULL
+#define corgi_lcd_resume	NULL
+#endif
+
+static int setup_gpio_backlight(struct corgi_lcd *lcd,
+				struct corgi_lcd_platform_data *pdata)
+{
+	struct spi_device *spi = lcd->spi_dev;
+	int err;
+
+	lcd->gpio_backlight_on = -1;
+	lcd->gpio_backlight_cont = -1;
+
+	if (gpio_is_valid(pdata->gpio_backlight_on)) {
+		err = gpio_request(pdata->gpio_backlight_on, "BL_ON");
+		if (err) {
+			dev_err(&spi->dev, "failed to request GPIO%d for "
+				"backlight_on\n", pdata->gpio_backlight_on);
+			return err;
+		}
+
+		lcd->gpio_backlight_on = pdata->gpio_backlight_on;
+		gpio_direction_output(lcd->gpio_backlight_on, 0);
+	}
+
+	if (gpio_is_valid(pdata->gpio_backlight_cont)) {
+		err = gpio_request(pdata->gpio_backlight_cont, "BL_CONT");
+		if (err) {
+			dev_err(&spi->dev, "failed to request GPIO%d for "
+				"backlight_cont\n", pdata->gpio_backlight_cont);
+			goto err_free_backlight_on;
+		}
+
+		lcd->gpio_backlight_cont = pdata->gpio_backlight_cont;
+
+		/* spitz and akita use both GPIOs for backlight, and
+		 * have inverted polarity of GPIO_BACKLIGHT_CONT
+		 */
+		if (gpio_is_valid(lcd->gpio_backlight_on)) {
+			lcd->gpio_backlight_cont_inverted = 1;
+			gpio_direction_output(lcd->gpio_backlight_cont, 1);
+		} else {
+			lcd->gpio_backlight_cont_inverted = 0;
+			gpio_direction_output(lcd->gpio_backlight_cont, 0);
+		}
+	}
+	return 0;
+
+err_free_backlight_on:
+	if (gpio_is_valid(lcd->gpio_backlight_on))
+		gpio_free(lcd->gpio_backlight_on);
+	return err;
+}
+
+static int __devinit corgi_lcd_probe(struct spi_device *spi)
+{
+	struct corgi_lcd_platform_data *pdata = spi->dev.platform_data;
+	struct corgi_lcd *lcd;
+	int ret = 0;
+
+	if (pdata == NULL) {
+		dev_err(&spi->dev, "platform data not available\n");
+		return -EINVAL;
+	}
+
+	lcd = kzalloc(sizeof(struct corgi_lcd), GFP_KERNEL);
+	if (!lcd) {
+		dev_err(&spi->dev, "failed to allocate memory\n");
+		return -ENOMEM;
+	}
+
+	lcd->spi_dev = spi;
+
+	lcd->lcd_dev = lcd_device_register("corgi_lcd", &spi->dev,
+					lcd, &corgi_lcd_ops);
+	if (IS_ERR(lcd->lcd_dev)) {
+		ret = PTR_ERR(lcd->lcd_dev);
+		goto err_free_lcd;
+	}
+	lcd->power = FB_BLANK_POWERDOWN;
+	lcd->mode = (pdata) ? pdata->init_mode : CORGI_LCD_MODE_VGA;
+
+	lcd->bl_dev = backlight_device_register("corgi_bl", &spi->dev,
+					lcd, &corgi_bl_ops);
+	if (IS_ERR(lcd->bl_dev)) {
+		ret = PTR_ERR(lcd->bl_dev);
+		goto err_unregister_lcd;
+	}
+	lcd->bl_dev->props.max_brightness = pdata->max_intensity;
+	lcd->bl_dev->props.brightness = pdata->default_intensity;
+	lcd->bl_dev->props.power = FB_BLANK_UNBLANK;
+
+	ret = setup_gpio_backlight(lcd, pdata);
+	if (ret)
+		goto err_unregister_bl;
+
+	lcd->kick_battery = pdata->kick_battery;
+
+	dev_set_drvdata(&spi->dev, lcd);
+	corgi_lcd_set_power(lcd->lcd_dev, FB_BLANK_UNBLANK);
+	backlight_update_status(lcd->bl_dev);
+
+	lcd->limit_mask = pdata->limit_mask;
+	the_corgi_lcd = lcd;
+	return 0;
+
+err_unregister_bl:
+	backlight_device_unregister(lcd->bl_dev);
+err_unregister_lcd:
+	lcd_device_unregister(lcd->lcd_dev);
+err_free_lcd:
+	kfree(lcd);
+	return ret;
+}
+
+static int __devexit corgi_lcd_remove(struct spi_device *spi)
+{
+	struct corgi_lcd *lcd = dev_get_drvdata(&spi->dev);
+
+	lcd->bl_dev->props.power = FB_BLANK_UNBLANK;
+	lcd->bl_dev->props.brightness = 0;
+	backlight_update_status(lcd->bl_dev);
+	backlight_device_unregister(lcd->bl_dev);
+
+	if (gpio_is_valid(lcd->gpio_backlight_on))
+		gpio_free(lcd->gpio_backlight_on);
+
+	if (gpio_is_valid(lcd->gpio_backlight_cont))
+		gpio_free(lcd->gpio_backlight_cont);
+
+	corgi_lcd_set_power(lcd->lcd_dev, FB_BLANK_POWERDOWN);
+	lcd_device_unregister(lcd->lcd_dev);
+	kfree(lcd);
+
+	return 0;
+}
+
+static struct spi_driver corgi_lcd_driver = {
+	.driver		= {
+		.name	= "corgi-lcd",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= corgi_lcd_probe,
+	.remove		= __devexit_p(corgi_lcd_remove),
+	.suspend	= corgi_lcd_suspend,
+	.resume		= corgi_lcd_resume,
+};
+
+static int __init corgi_lcd_init(void)
+{
+	return spi_register_driver(&corgi_lcd_driver);
+}
+module_init(corgi_lcd_init);
+
+static void __exit corgi_lcd_exit(void)
+{
+	spi_unregister_driver(&corgi_lcd_driver);
+}
+module_exit(corgi_lcd_exit);
+
+MODULE_DESCRIPTION("LCD and backlight driver for SHARP C7x0/Cxx00");
+MODULE_AUTHOR("Eric Miao <eric.miao@marvell.com>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/video/backlight/lcd.c b/drivers/video/backlight/lcd.c
index b15b2b84a6f..8e1731d3b22 100644
--- a/