[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 <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>

#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 platform_device *h1940_devices[] __initdata = {
	&s3c_device_ohci,
	&s3c_device_lcd,
	&s3c_device_wdt,
	&s3c_device_i2c0,
	&s3c_device_iis,
	&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));
}

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
1da177e4 LT	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	*
1da177e4 LT	12	*/
	13
	14	#include <linux/kernel.h>
	15	#include <linux/types.h>
	16	#include <linux/interrupt.h>
	17	#include <linux/list.h>
8d717a52	18	#include <linux/memblock.h>
1da177e4 LT	19	#include <linux/timer.h>
1da177e4 LT	20	#include <linux/init.h>
333a42e1	21	#include <linux/sysdev.h>
b6d1f542	22	#include <linux/serial_core.h>
d052d1be	23	#include <linux/platform_device.h>
fced80c7	24	#include <linux/io.h>
3909b9f7	25	#include <linux/gpio.h>
22e649ff AP	26	#include <linux/pwm_backlight.h>
22e649ff AP	27	#include <video/platform_lcd.h>
3909b9f7 AP	28
3909b9f7 AP	29	#include <linux/mmc/host.h>
1da177e4 LT	30
	31	#include <asm/mach/arch.h>
	32	#include <asm/mach/map.h>
	33	#include <asm/mach/irq.h>
	34
a09e64fb	35	#include <mach/hardware.h>
1da177e4 LT	36	#include <asm/irq.h>
	37	#include <asm/mach-types.h>
	38
a2b7ba9c	39	#include <plat/regs-serial.h>
a09e64fb	40	#include <mach/regs-lcd.h>
a09e64fb	41	#include <mach/regs-clock.h>
f92273c1	42
3909b9f7 AP	43	#include <mach/regs-gpio.h>
	44	#include <mach/gpio-fns.h>
	45	#include <mach/gpio-nrs.h>
	46
a09e64fb RK	47	#include <mach/h1940.h>
	48	#include <mach/h1940-latch.h>
	49	#include <mach/fb.h>
57bd4b91	50	#include <plat/udc.h>
3e1b776c	51	#include <plat/iic.h>
1da177e4	52
40b956f0	53	#include <plat/gpio-cfg.h>
d5120ae7	54	#include <plat/clock.h>
a2b7ba9c BD	55	#include <plat/devs.h>
a2b7ba9c BD	56	#include <plat/cpu.h>
e24b864a	57	#include <plat/pll.h>
a2b7ba9c	58	#include <plat/pm.h>
3909b9f7	59	#include <plat/mci.h>
73e59b1d	60	#include <plat/ts.h>
1da177e4	61
14477095 VK	62	#define H1940_LATCH ((void __force __iomem *)0xF8000000)
	63
	64	#define H1940_PA_LATCH S3C2410_CS2
	65
	66	#define H1940_LATCH_BIT(x) (1 << ((x) + 16 - S3C_GPIO_END))
	67
1da177e4	68	static struct map_desc h1940_iodesc[] __initdata = {
e1981680 BD	69	[0] = {
	70	.virtual = (unsigned long)H1940_LATCH,
	71	.pfn = __phys_to_pfn(H1940_PA_LATCH),
	72	.length = SZ_16K,
	73	.type = MT_DEVICE
	74	},
1da177e4 LT	75	};
	76
	77	#define UCON S3C2410_UCON_DEFAULT \| S3C2410_UCON_UCLK
	78	#define ULCON S3C2410_LCON_CS8 \| S3C2410_LCON_PNONE \| S3C2410_LCON_STOPB
	79	#define UFCON S3C2410_UFCON_RXTRIG8 \| S3C2410_UFCON_FIFOMODE
	80
66a9b49a	81	static struct s3c2410_uartcfg h1940_uartcfgs[] __initdata = {
1da177e4 LT	82	[0] = {
	83	.hwport = 0,
	84	.flags = 0,
	85	.ucon = 0x3c5,
	86	.ulcon = 0x03,
	87	.ufcon = 0x51,
	88	},
	89	[1] = {
	90	.hwport = 1,
	91	.flags = 0,
	92	.ucon = 0x245,
	93	.ulcon = 0x03,
	94	.ufcon = 0x00,
	95	},
	96	/* IR port */
	97	[2] = {
	98	.hwport = 2,
	99	.flags = 0,
	100	.uart_flags = UPF_CONS_FLOW,
	101	.ucon = 0x3c5,
	102	.ulcon = 0x43,
	103	.ufcon = 0x51,
	104	}
	105	};
	106
e1981680 BD	107	/* Board control latch control */
e1981680 BD	108
53193dd3	109	static unsigned int latch_state;
e1981680	110
14477095	111	static void h1940_latch_control(unsigned int clear, unsigned int set)
e1981680 BD	112	{
	113	unsigned long flags;
	114
	115	local_irq_save(flags);
	116
	117	latch_state &= ~clear;
	118	latch_state \|= set;
	119
	120	__raw_writel(latch_state, H1940_LATCH);
	121
	122	local_irq_restore(flags);
	123	}
	124
14477095 VK	125	static inline int h1940_gpiolib_to_latch(int offset)
	126	{
	127	return 1 << (offset + 16);
	128	}
	129
	130	static void h1940_gpiolib_latch_set(struct gpio_chip *chip,
	131	unsigned offset, int value)
	132	{
	133	int latch_bit = h1940_gpiolib_to_latch(offset);
	134
	135	h1940_latch_control(value ? 0 : latch_bit,
	136	value ? latch_bit : 0);
	137	}
	138
	139	static int h1940_gpiolib_latch_output(struct gpio_chip *chip,
	140	unsigned offset, int value)
	141	{
	142	h1940_gpiolib_latch_set(chip, offset, value);
	143	return 0;
	144	}
	145
	146	static int h1940_gpiolib_latch_get(struct gpio_chip *chip,
	147	unsigned offset)
	148	{
	149	return (latch_state >> (offset + 16)) & 1;
	150	}
	151
	152	struct gpio_chip h1940_latch_gpiochip = {
	153	.base = H1940_LATCH_GPIO(0),
	154	.owner = THIS_MODULE,
	155	.label = "H1940_LATCH",
	156	.ngpio = 16,
	157	.direction_output = h1940_gpiolib_latch_output,
	158	.set = h1940_gpiolib_latch_set,
	159	.get = h1940_gpiolib_latch_get,
	160	};
1da177e4	161
71a9c424 AP	162	static void h1940_udc_pullup(enum s3c2410_udc_cmd_e cmd)
	163	{
	164	printk(KERN_DEBUG "udc: pullup(%d)\n",cmd);
	165
	166	switch (cmd)
	167	{
	168	case S3C2410_UDC_P_ENABLE :
14477095	169	gpio_set_value(H1940_LATCH_USB_DP, 1);
71a9c424 AP	170	break;
71a9c424 AP	171	case S3C2410_UDC_P_DISABLE :
14477095	172	gpio_set_value(H1940_LATCH_USB_DP, 0);
71a9c424 AP	173	break;
	174	case S3C2410_UDC_P_RESET :
	175	break;
	176	default:
	177	break;
	178	}
	179	}
	180
	181	static struct s3c2410_udc_mach_info h1940_udc_cfg __initdata = {
	182	.udc_command = h1940_udc_pullup,
070276d5	183	.vbus_pin = S3C2410_GPG(5),
71a9c424 AP	184	.vbus_pin_inverted = 1,
	185	};
	186
ce8877b5 AP	187	static struct s3c2410_ts_mach_info h1940_ts_cfg __initdata = {
	188	.delay = 10000,
	189	.presc = 49,
	190	.oversampling_shift = 2,
5bfdca14	191	.cfg_gpio = s3c24xx_ts_cfg_gpio,
ce8877b5	192	};
71a9c424	193
f92273c1 AP	194	/**
	195	* Set lcd on or off
	196	**/
09fe75f6	197	static struct s3c2410fb_display h1940_lcd __initdata = {
f28ef573 KH	198	.lcdcon5= S3C2410_LCDCON5_FRM565 \| \
	199	S3C2410_LCDCON5_INVVLINE \| \
	200	S3C2410_LCDCON5_HWSWP,
09fe75f6	201
1f411537	202	.type = S3C2410_LCDCON1_TFT,
09fe75f6 KH	203	.width = 240,
09fe75f6 KH	204	.height = 320,
69816699	205	.pixclock = 260000,
09fe75f6 KH	206	.xres = 240,
	207	.yres = 320,
	208	.bpp = 16,
26be1b7b MS	209	.left_margin = 8,
26be1b7b MS	210	.right_margin = 20,
93d11f5a	211	.hsync_len = 4,
5f20f69b KH	212	.upper_margin = 8,
5f20f69b KH	213	.lower_margin = 7,
93d11f5a	214	.vsync_len = 1,
09fe75f6 KH	215	};
	216
	217	static struct s3c2410fb_mach_info h1940_fb_info __initdata = {
09fe75f6 KH	218	.displays = &h1940_lcd,
	219	.num_displays = 1,
	220	.default_display = 0,
	221
f92273c1 AP	222	.lpcsel= 0x02,
	223	.gpccon= 0xaa940659,
	224	.gpccon_mask= 0xffffffff,
	225	.gpcup= 0x0000ffff,
	226	.gpcup_mask= 0xffffffff,
	227	.gpdcon= 0xaa84aaa0,
	228	.gpdcon_mask= 0xffffffff,
	229	.gpdup= 0x0000faff,
	230	.gpdup_mask= 0xffffffff,
f92273c1	231	};
1da177e4	232
ff34aaa9	233	static struct platform_device h1940_device_leds = {
d2a76020 AP	234	.name = "h1940-leds",
	235	.id = -1,
	236	};
	237
ff34aaa9	238	static struct platform_device h1940_device_bluetooth = {
7fdc7849 AP	239	.name = "h1940-bt",
	240	.id = -1,
	241	};
	242
48cd65a6 VK	243	static void h1940_set_mmc_power(unsigned char power_mode, unsigned short vdd)
	244	{
	245	switch (power_mode) {
	246	case MMC_POWER_OFF:
	247	gpio_set_value(H1940_LATCH_SD_POWER, 0);
	248	break;
	249	case MMC_POWER_UP:
	250	case MMC_POWER_ON:
	251	gpio_set_value(H1940_LATCH_SD_POWER, 1);
	252	break;
	253	default:
	254	break;
	255	};
	256	}
	257
22c810ab	258	static struct s3c24xx_mci_pdata h1940_mmc_cfg __initdata = {
3909b9f7 AP	259	.gpio_detect = S3C2410_GPF(5),
3909b9f7 AP	260	.gpio_wprotect = S3C2410_GPH(8),
48cd65a6	261	.set_power = h1940_set_mmc_power,
3909b9f7 AP	262	.ocr_avail = MMC_VDD_32_33,
	263	};
	264
22e649ff AP	265	static int h1940_backlight_init(struct device *dev)
	266	{
	267	gpio_request(S3C2410_GPB(0), "Backlight");
	268
db61ac54	269	gpio_direction_output(S3C2410_GPB(0), 0);
fb378747	270	s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE);
40b956f0	271	s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
53193dd3	272	gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 1);
22e649ff AP	273
	274	return 0;
	275	}
	276
53193dd3 VK	277	static int h1940_backlight_notify(struct device *dev, int brightness)
	278	{
	279	if (!brightness) {
	280	gpio_direction_output(S3C2410_GPB(0), 1);
	281	gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 0);
	282	} else {
	283	gpio_direction_output(S3C2410_GPB(0), 0);
	284	s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE);
	285	s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
	286	gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 1);
	287	}
	288	return brightness;
	289	}
	290
22e649ff AP	291	static void h1940_backlight_exit(struct device *dev)
22e649ff AP	292	{
db61ac54	293	gpio_direction_output(S3C2410_GPB(0), 1);
53193dd3	294	gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 0);
22e649ff AP	295	}
22e649ff AP	296
53193dd3	297
22e649ff AP	298	static struct platform_pwm_backlight_data backlight_data = {
	299	.pwm_id = 0,
	300	.max_brightness = 100,
	301	.dft_brightness = 50,
	302	/* tcnt = 0x31 */
	303	.pwm_period_ns = 36296,
	304	.init = h1940_backlight_init,
53193dd3	305	.notify = h1940_backlight_notify,
22e649ff AP	306	.exit = h1940_backlight_exit,
	307	};
	308
	309	static struct platform_device h1940_backlight = {
	310	.name = "pwm-backlight",
	311	.dev = {
	312	.parent = &s3c_device_timer[0].dev,
	313	.platform_data = &backlight_data,
	314	},
	315	.id = -1,
	316	};
	317
	318	static void h1940_lcd_power_set(struct plat_lcd_data *pd,
	319	unsigned int power)
	320	{
	321	int value;
	322
	323	if (!power) {
53193dd3	324	gpio_set_value(S3C2410_GPC(0), 0);
22e649ff AP	325	/* wait for 3ac */
22e649ff AP	326	do {
db61ac54	327	value = gpio_get_value(S3C2410_GPC(6));
22e649ff	328	} while (value);
53193dd3 VK	329
	330	gpio_set_value(H1940_LATCH_LCD_P2, 0);
	331	gpio_set_value(H1940_LATCH_LCD_P3, 0);
	332	gpio_set_value(H1940_LATCH_LCD_P4, 0);
	333
	334	gpio_direction_output(S3C2410_GPC(1), 0);
	335	gpio_direction_output(S3C2410_GPC(4), 0);
	336
	337	gpio_set_value(H1940_LATCH_LCD_P1, 0);
	338	gpio_set_value(H1940_LATCH_LCD_P0, 0);
	339
	340	gpio_set_value(S3C2410_GPC(5), 0);
	341
22e649ff	342	} else {
53193dd3 VK	343	gpio_set_value(H1940_LATCH_LCD_P0, 1);
	344	gpio_set_value(H1940_LATCH_LCD_P1, 1);
	345
	346	s3c_gpio_cfgpin(S3C2410_GPC(1), S3C_GPIO_SFN(2));
	347	s3c_gpio_cfgpin(S3C2410_GPC(4), S3C_GPIO_SFN(2));
	348
	349	gpio_set_value(S3C2410_GPC(5), 1);
	350	gpio_set_value(S3C2410_GPC(0), 1);
	351
	352	gpio_set_value(H1940_LATCH_LCD_P3, 1);
	353	gpio_set_value(H1940_LATCH_LCD_P2, 1);
	354	gpio_set_value(H1940_LATCH_LCD_P4, 1);
22e649ff AP	355	}
	356	}
	357
	358	static struct plat_lcd_data h1940_lcd_power_data = {
	359	.set_power = h1940_lcd_power_set,
	360	};
	361
	362	static struct platform_device h1940_lcd_powerdev = {
	363	.name = "platform-lcd",
	364	.dev.parent = &s3c_device_lcd.dev,
	365	.dev.platform_data = &h1940_lcd_power_data,
	366	};
	367
1da177e4	368	static struct platform_device *h1940_devices[] __initdata = {
b813248c	369	&s3c_device_ohci,
1da177e4 LT	370	&s3c_device_lcd,
1da177e4 LT	371	&s3c_device_wdt,
3e1b776c	372	&s3c_device_i2c0,
1da177e4	373	&s3c_device_iis,
71a9c424	374	&s3c_device_usbgadget,
ff34aaa9 BD	375	&h1940_device_leds,
ff34aaa9 BD	376	&h1940_device_bluetooth,
3909b9f7	377	&s3c_device_sdi,
13733d52	378	&s3c_device_rtc,
22e649ff AP	379	&s3c_device_timer[0],
	380	&h1940_backlight,
	381	&h1940_lcd_powerdev,
17dcd13a AP	382	&s3c_device_adc,
17dcd13a AP	383	&s3c_device_ts,
1da177e4 LT	384	};
1da177e4 LT	385
5fe10ab1	386	static void __init h1940_map_io(void)
1da177e4 LT	387	{
	388	s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc));
	389	s3c24xx_init_clocks(0);
	390	s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs));
9073341c BD	391
	392	/* setup PM */
	393
b1dfe1f1	394	#ifdef CONFIG_PM_H1940
9073341c	395	memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024);
b1dfe1f1	396	#endif
4e59c25d	397	s3c_pm_init();
14477095	398
53193dd3 VK	399	/* Add latch gpio chip, set latch initial value */
53193dd3 VK	400	h1940_latch_control(0, 0);
14477095	401	WARN_ON(gpiochip_add(&h1940_latch_gpiochip));
1da177e4 LT	402	}
1da177e4 LT	403
98c672cf RK	404	/* H1940 and RX3715 need to reserve this for suspend */
	405	static void __init h1940_reserve(void)
	406	{
8d717a52 RK	407	memblock_reserve(0x30003000, 0x1000);
8d717a52 RK	408	memblock_reserve(0x30081000, 0x1000);
98c672cf RK	409	}
98c672cf RK	410
5fe10ab1	411	static void __init h1940_init_irq(void)
1da177e4 LT	412	{
1da177e4 LT	413	s3c24xx_init_irq();
1da177e4 LT	414	}
1da177e4 LT	415
5fe10ab1	416	static void __init h1940_init(void)
f92273c1	417	{
71a9c424 AP	418	u32 tmp;
71a9c424 AP	419
09fe75f6	420	s3c24xx_fb_set_platdata(&h1940_fb_info);
22c810ab	421	s3c24xx_mci_set_platdata(&h1940_mmc_cfg);
71a9c424	422	s3c24xx_udc_set_platdata(&h1940_udc_cfg);
ce8877b5	423	s3c24xx_ts_set_platdata(&h1940_ts_cfg);
3e1b776c	424	s3c_i2c0_set_platdata(NULL);
71a9c424 AP	425
	426	/* Turn off suspend on both USB ports, and switch the
	427	* selectable USB port to USB device mode. */
	428
	429	s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST \|
	430	S3C2410_MISCCR_USBSUSPND0 \|
	431	S3C2410_MISCCR_USBSUSPND1, 0x0);
	432
e24b864a BD	433	tmp = (0x78 << S3C24XX_PLLCON_MDIVSHIFT)
	434	\| (0x02 << S3C24XX_PLLCON_PDIVSHIFT)
	435	\| (0x03 << S3C24XX_PLLCON_SDIVSHIFT);
71a9c424	436	writel(tmp, S3C2410_UPLLCON);
57e5171c	437
22e649ff	438	gpio_request(S3C2410_GPC(0), "LCD power");
53193dd3 VK	439	gpio_request(S3C2410_GPC(1), "LCD power");
53193dd3 VK	440	gpio_request(S3C2410_GPC(4), "LCD power");
22e649ff AP	441	gpio_request(S3C2410_GPC(5), "LCD power");
22e649ff AP	442	gpio_request(S3C2410_GPC(6), "LCD power");
53193dd3 VK	443	gpio_request(H1940_LATCH_LCD_P0, "LCD power");
	444	gpio_request(H1940_LATCH_LCD_P1, "LCD power");
	445	gpio_request(H1940_LATCH_LCD_P2, "LCD power");
	446	gpio_request(H1940_LATCH_LCD_P3, "LCD power");
	447	gpio_request(H1940_LATCH_LCD_P4, "LCD power");
	448	gpio_request(H1940_LATCH_MAX1698_nSHUTDOWN, "LCD power");
	449	gpio_direction_output(S3C2410_GPC(0), 0);
	450	gpio_direction_output(S3C2410_GPC(1), 0);
	451	gpio_direction_output(S3C2410_GPC(4), 0);
	452	gpio_direction_output(S3C2410_GPC(5), 0);
db61ac54	453	gpio_direction_input(S3C2410_GPC(6));
53193dd3 VK	454	gpio_direction_output(H1940_LATCH_LCD_P0, 0);
	455	gpio_direction_output(H1940_LATCH_LCD_P1, 0);
	456	gpio_direction_output(H1940_LATCH_LCD_P2, 0);
	457	gpio_direction_output(H1940_LATCH_LCD_P3, 0);
	458	gpio_direction_output(H1940_LATCH_LCD_P4, 0);
	459	gpio_direction_output(H1940_LATCH_MAX1698_nSHUTDOWN, 0);
22e649ff	460
14477095 VK	461	gpio_request(H1940_LATCH_USB_DP, "USB pullup");
	462	gpio_direction_output(H1940_LATCH_USB_DP, 0);
	463
48cd65a6 VK	464	gpio_request(H1940_LATCH_SD_POWER, "SD power");
	465	gpio_direction_output(H1940_LATCH_SD_POWER, 0);
	466
57e5171c	467	platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices));
f92273c1 AP	468	}
f92273c1 AP	469
1da177e4	470	MACHINE_START(H1940, "IPAQ-H1940")
afdd225d	471	/* Maintainer: Ben Dooks <ben-linux@fluff.org> */
e9dea0c6 RK	472	.phys_io = S3C2410_PA_UART,
	473	.io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
	474	.boot_params = S3C2410_SDRAM_PA + 0x100,
	475	.map_io = h1940_map_io,
98c672cf	476	.reserve = h1940_reserve,
e9dea0c6	477	.init_irq = h1940_init_irq,
71a9c424	478	.init_machine = h1940_init,
1da177e4 LT	479	.timer = &s3c24xx_timer,
1da177e4 LT	480	MACHINE_END