[net-next-2.6.git] / arch / arm / mach-s3c2410 / mach-h1940.c

/* linux/arch/arm/mach-s3c2410/mach-h1940.c
 *
 * Copyright (c) 2003-2005 Simtec Electronics
 *   Ben Dooks <ben@simtec.co.uk>
 *
 * http://www.handhelds.org/projects/h1940.html
 *
 * 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/kernel.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/memblock.h>
#include <linux/timer.h>
#include <linux/init.h>
#include <linux/sysdev.h>
#include <linux/serial_core.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/gpio.h>
#include <linux/pwm_backlight.h>
#include <linux/i2c.h>
#include <video/platform_lcd.h>

#include <linux/mmc/host.h>

#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>

#include <mach/hardware.h>
#include <asm/irq.h>
#include <asm/mach-types.h>

#include <plat/regs-serial.h>
#include <mach/regs-lcd.h>
#include <mach/regs-clock.h>

#include <mach/regs-gpio.h>
#include <mach/gpio-fns.h>
#include <mach/gpio-nrs.h>

#include <mach/h1940.h>
#include <mach/h1940-latch.h>
#include <mach/fb.h>
#include <plat/udc.h>
#include <plat/iic.h>

#include <plat/gpio-cfg.h>
#include <plat/clock.h>
#include <plat/devs.h>
#include <plat/cpu.h>
#include <plat/pll.h>
#include <plat/pm.h>
#include <plat/mci.h>
#include <plat/ts.h>

#include <sound/uda1380.h>

#define H1940_LATCH		((void __force __iomem *)0xF8000000)

#define H1940_PA_LATCH		S3C2410_CS2

#define H1940_LATCH_BIT(x)	(1 << ((x) + 16 - S3C_GPIO_END))

static struct map_desc h1940_iodesc[] __initdata = {
	[0] = {
		.virtual	= (unsigned long)H1940_LATCH,
		.pfn		= __phys_to_pfn(H1940_PA_LATCH),
		.length		= SZ_16K,
		.type		= MT_DEVICE
	},
};

#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE

static struct s3c2410_uartcfg h1940_uartcfgs[] __initdata = {
	[0] = {
		.hwport	     = 0,
		.flags	     = 0,
		.ucon	     = 0x3c5,
		.ulcon	     = 0x03,
		.ufcon	     = 0x51,
	},
	[1] = {
		.hwport	     = 1,
		.flags	     = 0,
		.ucon	     = 0x245,
		.ulcon	     = 0x03,
		.ufcon	     = 0x00,
	},
	/* IR port */
	[2] = {
		.hwport	     = 2,
		.flags	     = 0,
		.uart_flags  = UPF_CONS_FLOW,
		.ucon	     = 0x3c5,
		.ulcon	     = 0x43,
		.ufcon	     = 0x51,
	}
};

/* Board control latch control */

static unsigned int latch_state;

static void h1940_latch_control(unsigned int clear, unsigned int set)
{
	unsigned long flags;

	local_irq_save(flags);

	latch_state &= ~clear;
	latch_state |= set;

	__raw_writel(latch_state, H1940_LATCH);

	local_irq_restore(flags);
}

static inline int h1940_gpiolib_to_latch(int offset)
{
	return 1 << (offset + 16);
}

static void h1940_gpiolib_latch_set(struct gpio_chip *chip,
					unsigned offset, int value)
{
	int latch_bit = h1940_gpiolib_to_latch(offset);

	h1940_latch_control(value ? 0 : latch_bit,
		value ? latch_bit : 0);
}

static int h1940_gpiolib_latch_output(struct gpio_chip *chip,
					unsigned offset, int value)
{
	h1940_gpiolib_latch_set(chip, offset, value);
	return 0;
}

static int h1940_gpiolib_latch_get(struct gpio_chip *chip,
					unsigned offset)
{
	return (latch_state >> (offset + 16)) & 1;
}

struct gpio_chip h1940_latch_gpiochip = {
	.base			= H1940_LATCH_GPIO(0),
	.owner			= THIS_MODULE,
	.label			= "H1940_LATCH",
	.ngpio			= 16,
	.direction_output	= h1940_gpiolib_latch_output,
	.set			= h1940_gpiolib_latch_set,
	.get			= h1940_gpiolib_latch_get,
};

static void h1940_udc_pullup(enum s3c2410_udc_cmd_e cmd)
{
	printk(KERN_DEBUG "udc: pullup(%d)\n",cmd);

	switch (cmd)
	{
		case S3C2410_UDC_P_ENABLE :
			gpio_set_value(H1940_LATCH_USB_DP, 1);
			break;
		case S3C2410_UDC_P_DISABLE :
			gpio_set_value(H1940_LATCH_USB_DP, 0);
			break;
		case S3C2410_UDC_P_RESET :
			break;
		default:
			break;
	}
}

static struct s3c2410_udc_mach_info h1940_udc_cfg __initdata = {
	.udc_command		= h1940_udc_pullup,
	.vbus_pin		= S3C2410_GPG(5),
	.vbus_pin_inverted	= 1,
};

static struct s3c2410_ts_mach_info h1940_ts_cfg __initdata = {
		.delay = 10000,
		.presc = 49,
		.oversampling_shift = 2,
		.cfg_gpio = s3c24xx_ts_cfg_gpio,
};

/**
 * Set lcd on or off
 **/
static struct s3c2410fb_display h1940_lcd __initdata = {
	.lcdcon5=	S3C2410_LCDCON5_FRM565 | \
			S3C2410_LCDCON5_INVVLINE | \
			S3C2410_LCDCON5_HWSWP,

	.type =		S3C2410_LCDCON1_TFT,
	.width =	240,
	.height =	320,
	.pixclock =	260000,
	.xres =		240,
	.yres =		320,
	.bpp =		16,
	.left_margin =	8,
	.right_margin =	20,
	.hsync_len =	4,
	.upper_margin =	8,
	.lower_margin = 7,
	.vsync_len =	1,
};

static struct s3c2410fb_mach_info h1940_fb_info __initdata = {
	.displays = &h1940_lcd,
	.num_displays = 1,
	.default_display = 0,

	.lpcsel=	0x02,
	.gpccon=	0xaa940659,
	.gpccon_mask=	0xffffffff,
	.gpcup=		0x0000ffff,
	.gpcup_mask=	0xffffffff,
	.gpdcon=	0xaa84aaa0,
	.gpdcon_mask=	0xffffffff,
	.gpdup=		0x0000faff,
	.gpdup_mask=	0xffffffff,
};

static struct platform_device h1940_device_leds = {
	.name             = "h1940-leds",
	.id               = -1,
};

static struct platform_device h1940_device_bluetooth = {
	.name             = "h1940-bt",
	.id               = -1,
};

static void h1940_set_mmc_power(unsigned char power_mode, unsigned short vdd)
{
	switch (power_mode) {
	case MMC_POWER_OFF:
		gpio_set_value(H1940_LATCH_SD_POWER, 0);
		break;
	case MMC_POWER_UP:
	case MMC_POWER_ON:
		gpio_set_value(H1940_LATCH_SD_POWER, 1);
		break;
	default:
		break;
	};
}

static struct s3c24xx_mci_pdata h1940_mmc_cfg __initdata = {
	.gpio_detect   = S3C2410_GPF(5),
	.gpio_wprotect = S3C2410_GPH(8),
	.set_power     = h1940_set_mmc_power,
	.ocr_avail     = MMC_VDD_32_33,
};

static int h1940_backlight_init(struct device *dev)
{
	gpio_request(S3C2410_GPB(0), "Backlight");

	gpio_direction_output(S3C2410_GPB(0), 0);
	s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE);
	s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
	gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 1);

	return 0;
}

static int h1940_backlight_notify(struct device *dev, int brightness)
{
	if (!brightness) {
		gpio_direction_output(S3C2410_GPB(0), 1);
		gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 0);
	} else {
		gpio_direction_output(S3C2410_GPB(0), 0);
		s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE);
		s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
		gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 1);
	}
	return brightness;
}

static void h1940_backlight_exit(struct device *dev)
{
	gpio_direction_output(S3C2410_GPB(0), 1);
	gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 0);
}


static struct platform_pwm_backlight_data backlight_data = {
	.pwm_id         = 0,
	.max_brightness = 100,
	.dft_brightness = 50,
	/* tcnt = 0x31 */
	.pwm_period_ns  = 36296,
	.init           = h1940_backlight_init,
	.notify		= h1940_backlight_notify,
	.exit           = h1940_backlight_exit,
};

static struct platform_device h1940_backlight = {
	.name = "pwm-backlight",
	.dev  = {
		.parent = &s3c_device_timer[0].dev,
		.platform_data = &backlight_data,
	},
	.id   = -1,
};

static void h1940_lcd_power_set(struct plat_lcd_data *pd,
					unsigned int power)
{
	int value;

	if (!power) {
		gpio_set_value(S3C2410_GPC(0), 0);
		/* wait for 3ac */
		do {
			value = gpio_get_value(S3C2410_GPC(6));
		} while (value);

		gpio_set_value(H1940_LATCH_LCD_P2, 0);
		gpio_set_value(H1940_LATCH_LCD_P3, 0);
		gpio_set_value(H1940_LATCH_LCD_P4, 0);

		gpio_direction_output(S3C2410_GPC(1), 0);
		gpio_direction_output(S3C2410_GPC(4), 0);

		gpio_set_value(H1940_LATCH_LCD_P1, 0);
		gpio_set_value(H1940_LATCH_LCD_P0, 0);

		gpio_set_value(S3C2410_GPC(5), 0);

	} else {
		gpio_set_value(H1940_LATCH_LCD_P0, 1);
		gpio_set_value(H1940_LATCH_LCD_P1, 1);

		s3c_gpio_cfgpin(S3C2410_GPC(1), S3C_GPIO_SFN(2));
		s3c_gpio_cfgpin(S3C2410_GPC(4), S3C_GPIO_SFN(2));

		gpio_set_value(S3C2410_GPC(5), 1);
		gpio_set_value(S3C2410_GPC(0), 1);

		gpio_set_value(H1940_LATCH_LCD_P3, 1);
		gpio_set_value(H1940_LATCH_LCD_P2, 1);
		gpio_set_value(H1940_LATCH_LCD_P4, 1);
	}
}

static struct plat_lcd_data h1940_lcd_power_data = {
	.set_power      = h1940_lcd_power_set,
};

static struct platform_device h1940_lcd_powerdev = {
	.name                   = "platform-lcd",
	.dev.parent             = &s3c_device_lcd.dev,
	.dev.platform_data      = &h1940_lcd_power_data,
};

static struct uda1380_platform_data uda1380_info = {
	.gpio_power	= H1940_LATCH_UDA_POWER,
	.gpio_reset	= S3C2410_GPA(12),
	.dac_clk	= UDA1380_DAC_CLK_SYSCLK,
};

static struct i2c_board_info h1940_i2c_devices[] = {
	{
		I2C_BOARD_INFO("uda1380", 0x1a),
		.platform_data = &uda1380_info,
	},
};

static struct platform_device *h1940_devices[] __initdata = {
	&s3c_device_ohci,
	&s3c_device_lcd,
	&s3c_device_wdt,
	&s3c_device_i2c0,
	&s3c_device_iis,
	&s3c_device_pcm,
	&s3c_device_usbgadget,
	&h1940_device_leds,
	&h1940_device_bluetooth,
	&s3c_device_sdi,
	&s3c_device_rtc,
	&s3c_device_timer[0],
	&h1940_backlight,
	&h1940_lcd_powerdev,
	&s3c_device_adc,
	&s3c_device_ts,
};

static void __init h1940_map_io(void)
{
	s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc));
	s3c24xx_init_clocks(0);
	s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs));

	/* setup PM */

#ifdef CONFIG_PM_H1940
	memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024);
#endif
	s3c_pm_init();

	/* Add latch gpio chip, set latch initial value */
	h1940_latch_control(0, 0);
	WARN_ON(gpiochip_add(&h1940_latch_gpiochip));
}

/* H1940 and RX3715 need to reserve this for suspend */
static void __init h1940_reserve(void)
{
	memblock_reserve(0x30003000, 0x1000);
	memblock_reserve(0x30081000, 0x1000);
}

static void __init h1940_init_irq(void)
{
	s3c24xx_init_irq();
}

static void __init h1940_init(void)
{
	u32 tmp;

	s3c24xx_fb_set_platdata(&h1940_fb_info);
	s3c24xx_mci_set_platdata(&h1940_mmc_cfg);
 	s3c24xx_udc_set_platdata(&h1940_udc_cfg);
	s3c24xx_ts_set_platdata(&h1940_ts_cfg);
	s3c_i2c0_set_platdata(NULL);

	/* Turn off suspend on both USB ports, and switch the
	 * selectable USB port to USB device mode. */

	s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
			      S3C2410_MISCCR_USBSUSPND0 |
			      S3C2410_MISCCR_USBSUSPND1, 0x0);

	tmp =   (0x78 << S3C24XX_PLLCON_MDIVSHIFT)
	      | (0x02 << S3C24XX_PLLCON_PDIVSHIFT)
	      | (0x03 << S3C24XX_PLLCON_SDIVSHIFT);
	writel(tmp, S3C2410_UPLLCON);

	gpio_request(S3C2410_GPC(0), "LCD power");
	gpio_request(S3C2410_GPC(1), "LCD power");
	gpio_request(S3C2410_GPC(4), "LCD power");
	gpio_request(S3C2410_GPC(5), "LCD power");
	gpio_request(S3C2410_GPC(6), "LCD power");
	gpio_request(H1940_LATCH_LCD_P0, "LCD power");
	gpio_request(H1940_LATCH_LCD_P1, "LCD power");
	gpio_request(H1940_LATCH_LCD_P2, "LCD power");
	gpio_request(H1940_LATCH_LCD_P3, "LCD power");
	gpio_request(H1940_LATCH_LCD_P4, "LCD power");
	gpio_request(H1940_LATCH_MAX1698_nSHUTDOWN, "LCD power");
	gpio_direction_output(S3C2410_GPC(0), 0);
	gpio_direction_output(S3C2410_GPC(1), 0);
	gpio_direction_output(S3C2410_GPC(4), 0);
	gpio_direction_output(S3C2410_GPC(5), 0);
	gpio_direction_input(S3C2410_GPC(6));
	gpio_direction_output(H1940_LATCH_LCD_P0, 0);
	gpio_direction_output(H1940_LATCH_LCD_P1, 0);
	gpio_direction_output(H1940_LATCH_LCD_P2, 0);
	gpio_direction_output(H1940_LATCH_LCD_P3, 0);
	gpio_direction_output(H1940_LATCH_LCD_P4, 0);
	gpio_direction_output(H1940_LATCH_MAX1698_nSHUTDOWN, 0);

	gpio_request(H1940_LATCH_USB_DP, "USB pullup");
	gpio_direction_output(H1940_LATCH_USB_DP, 0);

	gpio_request(H1940_LATCH_SD_POWER, "SD power");
	gpio_direction_output(H1940_LATCH_SD_POWER, 0);

	platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices));

	i2c_register_board_info(0, h1940_i2c_devices,
		ARRAY_SIZE(h1940_i2c_devices));
}

MACHINE_START(H1940, "IPAQ-H1940")
	/* Maintainer: Ben Dooks <ben-linux@fluff.org> */
	.phys_io	= S3C2410_PA_UART,
	.io_pg_offst	= (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
	.boot_params	= S3C2410_SDRAM_PA + 0x100,
	.map_io		= h1940_map_io,
	.reserve	= h1940_reserve,
	.init_irq	= h1940_init_irq,
	.init_machine	= h1940_init,
	.timer		= &s3c24xx_timer,
MACHINE_END
Commit	Line	Data
	1	/* linux/arch/arm/mach-s3c2410/mach-h1940.c
	2	*
	3	* Copyright (c) 2003-2005 Simtec Electronics
	4	* Ben Dooks <ben@simtec.co.uk>
	5	*
	6	* http://www.handhelds.org/projects/h1940.html
	7	*
	8	* This program is free software; you can redistribute it and/or modify
	9	* it under the terms of the GNU General Public License version 2 as
	10	* published by the Free Software Foundation.
	11	*
	12	*/
	13
	14	#include <linux/kernel.h>
	15	#include <linux/types.h>
	16	#include <linux/interrupt.h>
	17	#include <linux/list.h>
	18	#include <linux/memblock.h>
	19	#include <linux/timer.h>
	20	#include <linux/init.h>
	21	#include <linux/sysdev.h>
	22	#include <linux/serial_core.h>
	23	#include <linux/platform_device.h>
	24	#include <linux/io.h>
	25	#include <linux/gpio.h>
	26	#include <linux/pwm_backlight.h>
	27	#include <linux/i2c.h>
	28	#include <video/platform_lcd.h>
	29
	30	#include <linux/mmc/host.h>
	31
	32	#include <asm/mach/arch.h>
	33	#include <asm/mach/map.h>
	34	#include <asm/mach/irq.h>
	35
	36	#include <mach/hardware.h>
	37	#include <asm/irq.h>
	38	#include <asm/mach-types.h>
	39
	40	#include <plat/regs-serial.h>
	41	#include <mach/regs-lcd.h>
	42	#include <mach/regs-clock.h>
	43
	44	#include <mach/regs-gpio.h>
	45	#include <mach/gpio-fns.h>
	46	#include <mach/gpio-nrs.h>
	47
	48	#include <mach/h1940.h>
	49	#include <mach/h1940-latch.h>
	50	#include <mach/fb.h>
	51	#include <plat/udc.h>
	52	#include <plat/iic.h>
	53
	54	#include <plat/gpio-cfg.h>
	55	#include <plat/clock.h>
	56	#include <plat/devs.h>
	57	#include <plat/cpu.h>
	58	#include <plat/pll.h>
	59	#include <plat/pm.h>
	60	#include <plat/mci.h>
	61	#include <plat/ts.h>
	62
	63	#include <sound/uda1380.h>
	64
	65	#define H1940_LATCH ((void __force __iomem *)0xF8000000)
	66
	67	#define H1940_PA_LATCH S3C2410_CS2
	68
	69	#define H1940_LATCH_BIT(x) (1 << ((x) + 16 - S3C_GPIO_END))
	70
	71	static struct map_desc h1940_iodesc[] __initdata = {
	72	[0] = {
	73	.virtual = (unsigned long)H1940_LATCH,
	74	.pfn = __phys_to_pfn(H1940_PA_LATCH),
	75	.length = SZ_16K,
	76	.type = MT_DEVICE
	77	},
	78	};
	79
	80	#define UCON S3C2410_UCON_DEFAULT \| S3C2410_UCON_UCLK
	81	#define ULCON S3C2410_LCON_CS8 \| S3C2410_LCON_PNONE \| S3C2410_LCON_STOPB
	82	#define UFCON S3C2410_UFCON_RXTRIG8 \| S3C2410_UFCON_FIFOMODE
	83
	84	static struct s3c2410_uartcfg h1940_uartcfgs[] __initdata = {
	85	[0] = {
	86	.hwport = 0,
	87	.flags = 0,
	88	.ucon = 0x3c5,
	89	.ulcon = 0x03,
	90	.ufcon = 0x51,
	91	},
	92	[1] = {
	93	.hwport = 1,
	94	.flags = 0,
	95	.ucon = 0x245,
	96	.ulcon = 0x03,
	97	.ufcon = 0x00,
	98	},
	99	/* IR port */
	100	[2] = {
	101	.hwport = 2,
	102	.flags = 0,
	103	.uart_flags = UPF_CONS_FLOW,
	104	.ucon = 0x3c5,
	105	.ulcon = 0x43,
	106	.ufcon = 0x51,
	107	}
	108	};
	109
	110	/* Board control latch control */
	111
	112	static unsigned int latch_state;
	113
	114	static void h1940_latch_control(unsigned int clear, unsigned int set)
	115	{
	116	unsigned long flags;
	117
	118	local_irq_save(flags);
	119
	120	latch_state &= ~clear;
	121	latch_state \|= set;
	122
	123	__raw_writel(latch_state, H1940_LATCH);
	124
	125	local_irq_restore(flags);
	126	}
	127
	128	static inline int h1940_gpiolib_to_latch(int offset)
	129	{
	130	return 1 << (offset + 16);
	131	}
	132
	133	static void h1940_gpiolib_latch_set(struct gpio_chip *chip,
	134	unsigned offset, int value)
	135	{
	136	int latch_bit = h1940_gpiolib_to_latch(offset);
	137
	138	h1940_latch_control(value ? 0 : latch_bit,
	139	value ? latch_bit : 0);
	140	}
	141
	142	static int h1940_gpiolib_latch_output(struct gpio_chip *chip,
	143	unsigned offset, int value)
	144	{
	145	h1940_gpiolib_latch_set(chip, offset, value);
	146	return 0;
	147	}
	148
	149	static int h1940_gpiolib_latch_get(struct gpio_chip *chip,
	150	unsigned offset)
	151	{
	152	return (latch_state >> (offset + 16)) & 1;
	153	}
	154
	155	struct gpio_chip h1940_latch_gpiochip = {
	156	.base = H1940_LATCH_GPIO(0),
	157	.owner = THIS_MODULE,
	158	.label = "H1940_LATCH",
	159	.ngpio = 16,
	160	.direction_output = h1940_gpiolib_latch_output,
	161	.set = h1940_gpiolib_latch_set,
	162	.get = h1940_gpiolib_latch_get,
	163	};
	164
	165	static void h1940_udc_pullup(enum s3c2410_udc_cmd_e cmd)
	166	{
	167	printk(KERN_DEBUG "udc: pullup(%d)\n",cmd);
	168
	169	switch (cmd)
	170	{
	171	case S3C2410_UDC_P_ENABLE :
	172	gpio_set_value(H1940_LATCH_USB_DP, 1);
	173	break;
	174	case S3C2410_UDC_P_DISABLE :
	175	gpio_set_value(H1940_LATCH_USB_DP, 0);
	176	break;
	177	case S3C2410_UDC_P_RESET :
	178	break;
	179	default:
	180	break;
	181	}
	182	}
	183
	184	static struct s3c2410_udc_mach_info h1940_udc_cfg __initdata = {
	185	.udc_command = h1940_udc_pullup,
	186	.vbus_pin = S3C2410_GPG(5),
	187	.vbus_pin_inverted = 1,
	188	};
	189
	190	static struct s3c2410_ts_mach_info h1940_ts_cfg __initdata = {
	191	.delay = 10000,
	192	.presc = 49,
	193	.oversampling_shift = 2,
	194	.cfg_gpio = s3c24xx_ts_cfg_gpio,
	195	};
	196
	197	/**
	198	* Set lcd on or off
	199	**/
	200	static struct s3c2410fb_display h1940_lcd __initdata = {
	201	.lcdcon5= S3C2410_LCDCON5_FRM565 \| \
	202	S3C2410_LCDCON5_INVVLINE \| \
	203	S3C2410_LCDCON5_HWSWP,
	204
	205	.type = S3C2410_LCDCON1_TFT,
	206	.width = 240,
	207	.height = 320,
	208	.pixclock = 260000,
	209	.xres = 240,
	210	.yres = 320,
	211	.bpp = 16,
	212	.left_margin = 8,
	213	.right_margin = 20,
	214	.hsync_len = 4,
	215	.upper_margin = 8,
	216	.lower_margin = 7,
	217	.vsync_len = 1,
	218	};
	219
	220	static struct s3c2410fb_mach_info h1940_fb_info __initdata = {
	221	.displays = &h1940_lcd,
	222	.num_displays = 1,
	223	.default_display = 0,
	224
	225	.lpcsel= 0x02,
	226	.gpccon= 0xaa940659,
	227	.gpccon_mask= 0xffffffff,
	228	.gpcup= 0x0000ffff,
	229	.gpcup_mask= 0xffffffff,
	230	.gpdcon= 0xaa84aaa0,
	231	.gpdcon_mask= 0xffffffff,
	232	.gpdup= 0x0000faff,
	233	.gpdup_mask= 0xffffffff,
	234	};
	235
	236	static struct platform_device h1940_device_leds = {
	237	.name = "h1940-leds",
	238	.id = -1,
	239	};
	240
	241	static struct platform_device h1940_device_bluetooth = {
	242	.name = "h1940-bt",
	243	.id = -1,
	244	};
	245
	246	static void h1940_set_mmc_power(unsigned char power_mode, unsigned short vdd)
	247	{
	248	switch (power_mode) {
	249	case MMC_POWER_OFF:
	250	gpio_set_value(H1940_LATCH_SD_POWER, 0);
	251	break;
	252	case MMC_POWER_UP:
	253	case MMC_POWER_ON:
	254	gpio_set_value(H1940_LATCH_SD_POWER, 1);
	255	break;
	256	default:
	257	break;
	258	};
	259	}
	260
	261	static struct s3c24xx_mci_pdata h1940_mmc_cfg __initdata = {
	262	.gpio_detect = S3C2410_GPF(5),
	263	.gpio_wprotect = S3C2410_GPH(8),
	264	.set_power = h1940_set_mmc_power,
	265	.ocr_avail = MMC_VDD_32_33,
	266	};
	267
	268	static int h1940_backlight_init(struct device *dev)
	269	{
	270	gpio_request(S3C2410_GPB(0), "Backlight");
	271
	272	gpio_direction_output(S3C2410_GPB(0), 0);
	273	s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE);
	274	s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
	275	gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 1);
	276
	277	return 0;
	278	}
	279
	280	static int h1940_backlight_notify(struct device *dev, int brightness)
	281	{
	282	if (!brightness) {
	283	gpio_direction_output(S3C2410_GPB(0), 1);
	284	gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 0);
	285	} else {
	286	gpio_direction_output(S3C2410_GPB(0), 0);
	287	s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE);
	288	s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
	289	gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 1);
	290	}
	291	return brightness;
	292	}
	293
	294	static void h1940_backlight_exit(struct device *dev)
	295	{
	296	gpio_direction_output(S3C2410_GPB(0), 1);
	297	gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 0);
	298	}
	299
	300
	301	static struct platform_pwm_backlight_data backlight_data = {
	302	.pwm_id = 0,
	303	.max_brightness = 100,
	304	.dft_brightness = 50,
	305	/* tcnt = 0x31 */
	306	.pwm_period_ns = 36296,
	307	.init = h1940_backlight_init,
	308	.notify = h1940_backlight_notify,
	309	.exit = h1940_backlight_exit,
	310	};
	311
	312	static struct platform_device h1940_backlight = {
	313	.name = "pwm-backlight",
	314	.dev = {
	315	.parent = &s3c_device_timer[0].dev,
	316	.platform_data = &backlight_data,
	317	},
	318	.id = -1,
	319	};
	320
	321	static void h1940_lcd_power_set(struct plat_lcd_data *pd,
	322	unsigned int power)
	323	{
	324	int value;
	325
	326	if (!power) {
	327	gpio_set_value(S3C2410_GPC(0), 0);
	328	/* wait for 3ac */
	329	do {
	330	value = gpio_get_value(S3C2410_GPC(6));
	331	} while (value);
	332
	333	gpio_set_value(H1940_LATCH_LCD_P2, 0);
	334	gpio_set_value(H1940_LATCH_LCD_P3, 0);
	335	gpio_set_value(H1940_LATCH_LCD_P4, 0);
	336
	337	gpio_direction_output(S3C2410_GPC(1), 0);
	338	gpio_direction_output(S3C2410_GPC(4), 0);
	339
	340	gpio_set_value(H1940_LATCH_LCD_P1, 0);
	341	gpio_set_value(H1940_LATCH_LCD_P0, 0);
	342
	343	gpio_set_value(S3C2410_GPC(5), 0);
	344
	345	} else {
	346	gpio_set_value(H1940_LATCH_LCD_P0, 1);
	347	gpio_set_value(H1940_LATCH_LCD_P1, 1);
	348
	349	s3c_gpio_cfgpin(S3C2410_GPC(1), S3C_GPIO_SFN(2));
	350	s3c_gpio_cfgpin(S3C2410_GPC(4), S3C_GPIO_SFN(2));
	351
	352	gpio_set_value(S3C2410_GPC(5), 1);
	353	gpio_set_value(S3C2410_GPC(0), 1);
	354
	355	gpio_set_value(H1940_LATCH_LCD_P3, 1);
	356	gpio_set_value(H1940_LATCH_LCD_P2, 1);
	357	gpio_set_value(H1940_LATCH_LCD_P4, 1);
	358	}
	359	}
	360
	361	static struct plat_lcd_data h1940_lcd_power_data = {
	362	.set_power = h1940_lcd_power_set,
	363	};
	364
	365	static struct platform_device h1940_lcd_powerdev = {
	366	.name = "platform-lcd",
	367	.dev.parent = &s3c_device_lcd.dev,
	368	.dev.platform_data = &h1940_lcd_power_data,
	369	};
	370
	371	static struct uda1380_platform_data uda1380_info = {
	372	.gpio_power = H1940_LATCH_UDA_POWER,
	373	.gpio_reset = S3C2410_GPA(12),
	374	.dac_clk = UDA1380_DAC_CLK_SYSCLK,
	375	};
	376
	377	static struct i2c_board_info h1940_i2c_devices[] = {
	378	{
	379	I2C_BOARD_INFO("uda1380", 0x1a),
	380	.platform_data = &uda1380_info,
	381	},
	382	};
	383
	384	static struct platform_device *h1940_devices[] __initdata = {
	385	&s3c_device_ohci,
	386	&s3c_device_lcd,
	387	&s3c_device_wdt,
	388	&s3c_device_i2c0,
	389	&s3c_device_iis,
	390	&s3c_device_pcm,
	391	&s3c_device_usbgadget,
	392	&h1940_device_leds,
	393	&h1940_device_bluetooth,
	394	&s3c_device_sdi,
	395	&s3c_device_rtc,
	396	&s3c_device_timer[0],
	397	&h1940_backlight,
	398	&h1940_lcd_powerdev,
	399	&s3c_device_adc,
	400	&s3c_device_ts,
	401	};
	402
	403	static void __init h1940_map_io(void)
	404	{
	405	s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc));
	406	s3c24xx_init_clocks(0);
	407	s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs));
	408
	409	/* setup PM */
	410
	411	#ifdef CONFIG_PM_H1940
	412	memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024);
	413	#endif
	414	s3c_pm_init();
	415
	416	/* Add latch gpio chip, set latch initial value */
	417	h1940_latch_control(0, 0);
	418	WARN_ON(gpiochip_add(&h1940_latch_gpiochip));
	419	}
	420
	421	/* H1940 and RX3715 need to reserve this for suspend */
	422	static void __init h1940_reserve(void)
	423	{
	424	memblock_reserve(0x30003000, 0x1000);
	425	memblock_reserve(0x30081000, 0x1000);
	426	}
	427
	428	static void __init h1940_init_irq(void)
	429	{
	430	s3c24xx_init_irq();
	431	}
	432
	433	static void __init h1940_init(void)
	434	{
	435	u32 tmp;
	436
	437	s3c24xx_fb_set_platdata(&h1940_fb_info);
	438	s3c24xx_mci_set_platdata(&h1940_mmc_cfg);
	439	s3c24xx_udc_set_platdata(&h1940_udc_cfg);
	440	s3c24xx_ts_set_platdata(&h1940_ts_cfg);
	441	s3c_i2c0_set_platdata(NULL);
	442
	443	/* Turn off suspend on both USB ports, and switch the
	444	* selectable USB port to USB device mode. */
	445
	446	s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST \|
	447	S3C2410_MISCCR_USBSUSPND0 \|
	448	S3C2410_MISCCR_USBSUSPND1, 0x0);
	449
	450	tmp = (0x78 << S3C24XX_PLLCON_MDIVSHIFT)
	451	\| (0x02 << S3C24XX_PLLCON_PDIVSHIFT)
	452	\| (0x03 << S3C24XX_PLLCON_SDIVSHIFT);
	453	writel(tmp, S3C2410_UPLLCON);
	454
	455	gpio_request(S3C2410_GPC(0), "LCD power");
	456	gpio_request(S3C2410_GPC(1), "LCD power");
	457	gpio_request(S3C2410_GPC(4), "LCD power");
	458	gpio_request(S3C2410_GPC(5), "LCD power");
	459	gpio_request(S3C2410_GPC(6), "LCD power");
	460	gpio_request(H1940_LATCH_LCD_P0, "LCD power");
	461	gpio_request(H1940_LATCH_LCD_P1, "LCD power");
	462	gpio_request(H1940_LATCH_LCD_P2, "LCD power");
	463	gpio_request(H1940_LATCH_LCD_P3, "LCD power");
	464	gpio_request(H1940_LATCH_LCD_P4, "LCD power");
	465	gpio_request(H1940_LATCH_MAX1698_nSHUTDOWN, "LCD power");
	466	gpio_direction_output(S3C2410_GPC(0), 0);
	467	gpio_direction_output(S3C2410_GPC(1), 0);
	468	gpio_direction_output(S3C2410_GPC(4), 0);
	469	gpio_direction_output(S3C2410_GPC(5), 0);
	470	gpio_direction_input(S3C2410_GPC(6));
	471	gpio_direction_output(H1940_LATCH_LCD_P0, 0);
	472	gpio_direction_output(H1940_LATCH_LCD_P1, 0);
	473	gpio_direction_output(H1940_LATCH_LCD_P2, 0);
	474	gpio_direction_output(H1940_LATCH_LCD_P3, 0);
	475	gpio_direction_output(H1940_LATCH_LCD_P4, 0);
	476	gpio_direction_output(H1940_LATCH_MAX1698_nSHUTDOWN, 0);
	477
	478	gpio_request(H1940_LATCH_USB_DP, "USB pullup");
	479	gpio_direction_output(H1940_LATCH_USB_DP, 0);
	480
	481	gpio_request(H1940_LATCH_SD_POWER, "SD power");
	482	gpio_direction_output(H1940_LATCH_SD_POWER, 0);
	483
	484	platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices));
	485
	486	i2c_register_board_info(0, h1940_i2c_devices,
	487	ARRAY_SIZE(h1940_i2c_devices));
	488	}
	489
	490	MACHINE_START(H1940, "IPAQ-H1940")
	491	/* Maintainer: Ben Dooks <ben-linux@fluff.org> */
	492	.phys_io = S3C2410_PA_UART,
	493	.io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
	494	.boot_params = S3C2410_SDRAM_PA + 0x100,
	495	.map_io = h1940_map_io,
	496	.reserve = h1940_reserve,
	497	.init_irq = h1940_init_irq,
	498	.init_machine = h1940_init,
	499	.timer = &s3c24xx_timer,
	500	MACHINE_END