[deliverable/linux.git] / arch / arm / mach-sa1100 / h3600.c

/*
 * Support for Compaq iPAQ H3600 handheld computer
 *
 * Copyright (c) 2000,1 Compaq Computer Corporation. (Author: Jamey Hicks)
 * Copyright (c) 2009 Dmitry Artamonow <mad_soft@inbox.ru>
 *
 * 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/init.h>
#include <linux/kernel.h>
#include <linux/gpio.h>

#include <video/sa1100fb.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <linux/platform_data/irda-sa11x0.h>

#include <mach/h3xxx.h>
#include <mach/irqs.h>

#include "generic.h"

/*
 * helper for sa1100fb
 */
static struct gpio h3600_lcd_gpio[] = {
	{ H3XXX_EGPIO_LCD_ON,	GPIOF_OUT_INIT_LOW,	"LCD power" },
	{ H3600_EGPIO_LCD_PCI,	GPIOF_OUT_INIT_LOW,	"LCD control" },
	{ H3600_EGPIO_LCD_5V_ON, GPIOF_OUT_INIT_LOW,	"LCD 5v" },
	{ H3600_EGPIO_LVDD_ON,	GPIOF_OUT_INIT_LOW,	"LCD 9v/-6.5v" },
};

static bool h3600_lcd_request(void)
{
	static bool h3600_lcd_ok;
	int rc;

	if (h3600_lcd_ok)
		return true;

	rc = gpio_request_array(h3600_lcd_gpio, ARRAY_SIZE(h3600_lcd_gpio));
	if (rc)
		pr_err("%s: can't request GPIOs\n", __func__);
	else
		h3600_lcd_ok = true;

	return h3600_lcd_ok;
}

static void h3600_lcd_power(int enable)
{
	if (!h3600_lcd_request())
		return;

	gpio_direction_output(H3XXX_EGPIO_LCD_ON, enable);
	gpio_direction_output(H3600_EGPIO_LCD_PCI, enable);
	gpio_direction_output(H3600_EGPIO_LCD_5V_ON, enable);
	gpio_direction_output(H3600_EGPIO_LVDD_ON, enable);
}

static const struct sa1100fb_rgb h3600_rgb_16 = {
	.red	= { .offset = 12, .length = 4, },
	.green	= { .offset = 7,  .length = 4, },
	.blue	= { .offset = 1,  .length = 4, },
	.transp	= { .offset = 0,  .length = 0, },
};

static struct sa1100fb_mach_info h3600_lcd_info = {
	.pixclock	= 174757, 	.bpp		= 16,
	.xres		= 320,		.yres		= 240,

	.hsync_len	= 3,		.vsync_len	= 3,
	.left_margin	= 12,		.upper_margin	= 10,
	.right_margin	= 17,		.lower_margin	= 1,

	.cmap_static	= 1,

	.lccr0		= LCCR0_Color | LCCR0_Sngl | LCCR0_Act,
	.lccr3		= LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2),

	.rgb[RGB_16] = &h3600_rgb_16,

	.lcd_power = h3600_lcd_power,
};


static void __init h3600_map_io(void)
{
	h3xxx_map_io();
}

/*
 * This turns the IRDA power on or off on the Compaq H3600
 */
static struct gpio h3600_irda_gpio[] = {
	{ H3600_EGPIO_IR_ON,	GPIOF_OUT_INIT_LOW, "IrDA power" },
	{ H3600_EGPIO_IR_FSEL,	GPIOF_OUT_INIT_LOW, "IrDA fsel" },
};

static int h3600_irda_set_power(struct device *dev, unsigned int state)
{
	gpio_set_value(H3600_EGPIO_IR_ON, state);
	return 0;
}

static void h3600_irda_set_speed(struct device *dev, unsigned int speed)
{
	gpio_set_value(H3600_EGPIO_IR_FSEL, !(speed < 4000000));
}

static int h3600_irda_startup(struct device *dev)
{
	return gpio_request_array(h3600_irda_gpio, sizeof(h3600_irda_gpio));
}

static void h3600_irda_shutdown(struct device *dev)
{
	return gpio_free_array(h3600_irda_gpio, sizeof(h3600_irda_gpio));
}

static struct irda_platform_data h3600_irda_data = {
	.set_power	= h3600_irda_set_power,
	.set_speed	= h3600_irda_set_speed,
	.startup	= h3600_irda_startup,
	.shutdown	= h3600_irda_shutdown,
};

static void __init h3600_mach_init(void)
{
	h3xxx_mach_init();

	sa11x0_register_lcd(&h3600_lcd_info);
	sa11x0_register_irda(&h3600_irda_data);
}

MACHINE_START(H3600, "Compaq iPAQ H3600")
	.atag_offset	= 0x100,
	.map_io		= h3600_map_io,
	.nr_irqs	= SA1100_NR_IRQS,
	.init_irq	= sa1100_init_irq,
	.init_time	= sa1100_timer_init,
	.init_machine	= h3600_mach_init,
	.init_late	= sa11x0_init_late,
	.restart	= sa11x0_restart,
MACHINE_END
Commit	Line	Data
1da177e4	1	/*
6e23fcb3	2	* Support for Compaq iPAQ H3600 handheld computer
1da177e4	3	*
6e23fcb3 DA	4	* Copyright (c) 2000,1 Compaq Computer Corporation. (Author: Jamey Hicks)
6e23fcb3 DA	5	* Copyright (c) 2009 Dmitry Artamonow <mad_soft@inbox.ru>
1da177e4	6	*
6e23fcb3 DA	7	* This program is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License version 2 as
	9	* published by the Free Software Foundation.
1da177e4 LT	10	*
1da177e4 LT	11	*/
6e23fcb3	12
1da177e4 LT	13	#include <linux/init.h>
1da177e4 LT	14	#include <linux/kernel.h>
0831e3e4	15	#include <linux/gpio.h>
1da177e4	16
e1b7a72a RK	17	#include <video/sa1100fb.h>
e1b7a72a RK	18
1da177e4	19	#include <asm/mach-types.h>
1da177e4	20	#include <asm/mach/arch.h>
dd450777	21	#include <linux/platform_data/irda-sa11x0.h>
1da177e4	22
8715b29d	23	#include <mach/h3xxx.h>
f314f33b	24	#include <mach/irqs.h>
1da177e4 LT	25
	26	#include "generic.h"
	27
cf5a87d8 DA	28	/*
	29	* helper for sa1100fb
	30	*/
8bed576c DES	31	static struct gpio h3600_lcd_gpio[] = {
	32	{ H3XXX_EGPIO_LCD_ON, GPIOF_OUT_INIT_LOW, "LCD power" },
	33	{ H3600_EGPIO_LCD_PCI, GPIOF_OUT_INIT_LOW, "LCD control" },
	34	{ H3600_EGPIO_LCD_5V_ON, GPIOF_OUT_INIT_LOW, "LCD 5v" },
	35	{ H3600_EGPIO_LVDD_ON, GPIOF_OUT_INIT_LOW, "LCD 9v/-6.5v" },
	36	};
	37
	38	static bool h3600_lcd_request(void)
	39	{
	40	static bool h3600_lcd_ok;
	41	int rc;
	42
	43	if (h3600_lcd_ok)
	44	return true;
	45
	46	rc = gpio_request_array(h3600_lcd_gpio, ARRAY_SIZE(h3600_lcd_gpio));
	47	if (rc)
	48	pr_err("%s: can't request GPIOs\n", __func__);
	49	else
	50	h3600_lcd_ok = true;
	51
	52	return h3600_lcd_ok;
	53	}
	54
cf5a87d8 DA	55	static void h3600_lcd_power(int enable)
cf5a87d8 DA	56	{
8bed576c DES	57	if (!h3600_lcd_request())
8bed576c DES	58	return;
22f97405 DA	59
	60	gpio_direction_output(H3XXX_EGPIO_LCD_ON, enable);
	61	gpio_direction_output(H3600_EGPIO_LCD_PCI, enable);
	62	gpio_direction_output(H3600_EGPIO_LCD_5V_ON, enable);
	63	gpio_direction_output(H3600_EGPIO_LVDD_ON, enable);
cf5a87d8 DA	64	}
cf5a87d8 DA	65
e1b7a72a RK	66	static const struct sa1100fb_rgb h3600_rgb_16 = {
	67	.red = { .offset = 12, .length = 4, },
	68	.green = { .offset = 7, .length = 4, },
	69	.blue = { .offset = 1, .length = 4, },
	70	.transp = { .offset = 0, .length = 0, },
	71	};
	72
	73	static struct sa1100fb_mach_info h3600_lcd_info = {
	74	.pixclock = 174757, .bpp = 16,
	75	.xres = 320, .yres = 240,
	76
	77	.hsync_len = 3, .vsync_len = 3,
	78	.left_margin = 12, .upper_margin = 10,
	79	.right_margin = 17, .lower_margin = 1,
	80
	81	.cmap_static = 1,
	82
	83	.lccr0 = LCCR0_Color \| LCCR0_Sngl \| LCCR0_Act,
	84	.lccr3 = LCCR3_OutEnH \| LCCR3_PixRsEdg \| LCCR3_ACBsDiv(2),
	85
	86	.rgb[RGB_16] = &h3600_rgb_16,
086ada54 RK	87
086ada54 RK	88	.lcd_power = h3600_lcd_power,
e1b7a72a RK	89	};
	90
	91
1da177e4 LT	92	static void __init h3600_map_io(void)
	93	{
	94	h3xxx_map_io();
1da177e4 LT	95	}
1da177e4 LT	96
a5d176a1 RK	97	/*
	98	* This turns the IRDA power on or off on the Compaq H3600
	99	*/
15cc324a DES	100	static struct gpio h3600_irda_gpio[] = {
	101	{ H3600_EGPIO_IR_ON, GPIOF_OUT_INIT_LOW, "IrDA power" },
	102	{ H3600_EGPIO_IR_FSEL, GPIOF_OUT_INIT_LOW, "IrDA fsel" },
	103	};
	104
a5d176a1 RK	105	static int h3600_irda_set_power(struct device *dev, unsigned int state)
a5d176a1 RK	106	{
22f97405	107	gpio_set_value(H3600_EGPIO_IR_ON, state);
a5d176a1 RK	108	return 0;
	109	}
	110
	111	static void h3600_irda_set_speed(struct device *dev, unsigned int speed)
	112	{
22f97405 DA	113	gpio_set_value(H3600_EGPIO_IR_FSEL, !(speed < 4000000));
	114	}
	115
	116	static int h3600_irda_startup(struct device *dev)
	117	{
15cc324a	118	return gpio_request_array(h3600_irda_gpio, sizeof(h3600_irda_gpio));
22f97405 DA	119	}
	120
	121	static void h3600_irda_shutdown(struct device *dev)
	122	{
15cc324a	123	return gpio_free_array(h3600_irda_gpio, sizeof(h3600_irda_gpio));
a5d176a1 RK	124	}
	125
	126	static struct irda_platform_data h3600_irda_data = {
	127	.set_power = h3600_irda_set_power,
	128	.set_speed = h3600_irda_set_speed,
22f97405 DA	129	.startup = h3600_irda_startup,
22f97405 DA	130	.shutdown = h3600_irda_shutdown,
a5d176a1 RK	131	};
a5d176a1 RK	132
e55b20e8	133	static void __init h3600_mach_init(void)
898e810e RK	134	{
898e810e RK	135	h3xxx_mach_init();
e1b7a72a	136
e1b7a72a	137	sa11x0_register_lcd(&h3600_lcd_info);
a5d176a1	138	sa11x0_register_irda(&h3600_irda_data);
898e810e RK	139	}
898e810e RK	140
1da177e4	141	MACHINE_START(H3600, "Compaq iPAQ H3600")
17f4425d	142	.atag_offset = 0x100,
e9dea0c6	143	.map_io = h3600_map_io,
f314f33b	144	.nr_irqs = SA1100_NR_IRQS,
e9dea0c6	145	.init_irq = sa1100_init_irq,
6bb27d73	146	.init_time = sa1100_timer_init,
898e810e	147	.init_machine = h3600_mach_init,
7fea1ba5	148	.init_late = sa11x0_init_late,
d9ca5839	149	.restart = sa11x0_restart,
1da177e4 LT	150	MACHINE_END
1da177e4 LT	151