[GitHub/mt8127/android_kernel_alcatel_ttab.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 <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/irda.h>

#include <mach/h3xxx.h>

#include "generic.h"

/*
 * helper for sa1100fb
 */
static void h3600_lcd_power(int enable)
{
	if (gpio_request(H3XXX_EGPIO_LCD_ON, "LCD power")) {
		pr_err("%s: can't request H3XXX_EGPIO_LCD_ON\n", __func__);
		goto err1;
	}
	if (gpio_request(H3600_EGPIO_LCD_PCI, "LCD control")) {
		pr_err("%s: can't request H3XXX_EGPIO_LCD_PCI\n", __func__);
		goto err2;
	}
	if (gpio_request(H3600_EGPIO_LCD_5V_ON, "LCD 5v")) {
		pr_err("%s: can't request H3XXX_EGPIO_LCD_5V_ON\n", __func__);
		goto err3;
	}
	if (gpio_request(H3600_EGPIO_LVDD_ON, "LCD 9v/-6.5v")) {
		pr_err("%s: can't request H3600_EGPIO_LVDD_ON\n", __func__);
		goto err4;
	}

	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);

	gpio_free(H3600_EGPIO_LVDD_ON);
err4:	gpio_free(H3600_EGPIO_LCD_5V_ON);
err3:	gpio_free(H3600_EGPIO_LCD_PCI);
err2:	gpio_free(H3XXX_EGPIO_LCD_ON);
err1:	return;
}

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

	sa1100fb_lcd_power = h3600_lcd_power;
}

/*
 * This turns the IRDA power on or off on the Compaq H3600
 */
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)
{
	int err = gpio_request(H3600_EGPIO_IR_ON, "IrDA power");
	if (err)
		goto err1;
	err = gpio_direction_output(H3600_EGPIO_IR_ON, 0);
	if (err)
		goto err2;
	err = gpio_request(H3600_EGPIO_IR_FSEL, "IrDA fsel");
	if (err)
		goto err2;
	err = gpio_direction_output(H3600_EGPIO_IR_FSEL, 0);
	if (err)
		goto err3;
	return 0;

err3:	gpio_free(H3600_EGPIO_IR_FSEL);
err2:	gpio_free(H3600_EGPIO_IR_ON);
err1:	return err;
}

static void h3600_irda_shutdown(struct device *dev)
{
	gpio_free(H3600_EGPIO_IR_ON);
	gpio_free(H3600_EGPIO_IR_FSEL);
}

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 struct gpio_default_state h3600_default_gpio[] = {
	{ H3XXX_GPIO_COM_DCD,	GPIO_MODE_IN,	"COM DCD" },
	{ H3XXX_GPIO_COM_CTS,	GPIO_MODE_IN,	"COM CTS" },
	{ H3XXX_GPIO_COM_RTS,	GPIO_MODE_OUT0,	"COM RTS" },
};

static void __init h3600_mach_init(void)
{
	h3xxx_init_gpio(h3600_default_gpio, ARRAY_SIZE(h3600_default_gpio));
	h3xxx_mach_init();
	sa11x0_register_irda(&h3600_irda_data);
}

MACHINE_START(H3600, "Compaq iPAQ H3600")
	.boot_params	= 0xc0000100,
	.map_io		= h3600_map_io,
	.init_irq	= sa1100_init_irq,
	.timer		= &sa1100_timer,
	.init_machine	= h3600_mach_init,
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
1da177e4	17	#include <asm/mach-types.h>
1da177e4	18	#include <asm/mach/arch.h>
1da177e4	19	#include <asm/mach/irda.h>
1da177e4	20
8715b29d	21	#include <mach/h3xxx.h>
1da177e4 LT	22
	23	#include "generic.h"
	24
cf5a87d8 DA	25	/*
	26	* helper for sa1100fb
	27	*/
	28	static void h3600_lcd_power(int enable)
	29	{
729fae44 DA	30	if (gpio_request(H3XXX_EGPIO_LCD_ON, "LCD power")) {
729fae44 DA	31	pr_err("%s: can't request H3XXX_EGPIO_LCD_ON\n", __func__);
22f97405	32	goto err1;
729fae44 DA	33	}
	34	if (gpio_request(H3600_EGPIO_LCD_PCI, "LCD control")) {
	35	pr_err("%s: can't request H3XXX_EGPIO_LCD_PCI\n", __func__);
22f97405	36	goto err2;
729fae44 DA	37	}
	38	if (gpio_request(H3600_EGPIO_LCD_5V_ON, "LCD 5v")) {
	39	pr_err("%s: can't request H3XXX_EGPIO_LCD_5V_ON\n", __func__);
22f97405	40	goto err3;
729fae44 DA	41	}
	42	if (gpio_request(H3600_EGPIO_LVDD_ON, "LCD 9v/-6.5v")) {
	43	pr_err("%s: can't request H3600_EGPIO_LVDD_ON\n", __func__);
22f97405	44	goto err4;
729fae44	45	}
22f97405 DA	46
	47	gpio_direction_output(H3XXX_EGPIO_LCD_ON, enable);
	48	gpio_direction_output(H3600_EGPIO_LCD_PCI, enable);
	49	gpio_direction_output(H3600_EGPIO_LCD_5V_ON, enable);
	50	gpio_direction_output(H3600_EGPIO_LVDD_ON, enable);
	51
	52	gpio_free(H3600_EGPIO_LVDD_ON);
	53	err4: gpio_free(H3600_EGPIO_LCD_5V_ON);
	54	err3: gpio_free(H3600_EGPIO_LCD_PCI);
	55	err2: gpio_free(H3XXX_EGPIO_LCD_ON);
	56	err1: return;
cf5a87d8 DA	57	}
cf5a87d8 DA	58
1da177e4 LT	59	static void __init h3600_map_io(void)
	60	{
	61	h3xxx_map_io();
	62
cf5a87d8	63	sa1100fb_lcd_power = h3600_lcd_power;
1da177e4 LT	64	}
1da177e4 LT	65
a5d176a1 RK	66	/*
	67	* This turns the IRDA power on or off on the Compaq H3600
	68	*/
	69	static int h3600_irda_set_power(struct device *dev, unsigned int state)
	70	{
22f97405	71	gpio_set_value(H3600_EGPIO_IR_ON, state);
a5d176a1 RK	72	return 0;
	73	}
	74
	75	static void h3600_irda_set_speed(struct device *dev, unsigned int speed)
	76	{
22f97405 DA	77	gpio_set_value(H3600_EGPIO_IR_FSEL, !(speed < 4000000));
	78	}
	79
	80	static int h3600_irda_startup(struct device *dev)
	81	{
	82	int err = gpio_request(H3600_EGPIO_IR_ON, "IrDA power");
	83	if (err)
	84	goto err1;
	85	err = gpio_direction_output(H3600_EGPIO_IR_ON, 0);
	86	if (err)
	87	goto err2;
	88	err = gpio_request(H3600_EGPIO_IR_FSEL, "IrDA fsel");
	89	if (err)
	90	goto err2;
	91	err = gpio_direction_output(H3600_EGPIO_IR_FSEL, 0);
	92	if (err)
	93	goto err3;
	94	return 0;
	95
	96	err3: gpio_free(H3600_EGPIO_IR_FSEL);
	97	err2: gpio_free(H3600_EGPIO_IR_ON);
	98	err1: return err;
	99	}
	100
	101	static void h3600_irda_shutdown(struct device *dev)
	102	{
	103	gpio_free(H3600_EGPIO_IR_ON);
	104	gpio_free(H3600_EGPIO_IR_FSEL);
a5d176a1 RK	105	}
	106
	107	static struct irda_platform_data h3600_irda_data = {
	108	.set_power = h3600_irda_set_power,
	109	.set_speed = h3600_irda_set_speed,
22f97405 DA	110	.startup = h3600_irda_startup,
22f97405 DA	111	.shutdown = h3600_irda_shutdown,
a5d176a1 RK	112	};
a5d176a1 RK	113
6e21ee6a RK	114	static struct gpio_default_state h3600_default_gpio[] = {
	115	{ H3XXX_GPIO_COM_DCD, GPIO_MODE_IN, "COM DCD" },
	116	{ H3XXX_GPIO_COM_CTS, GPIO_MODE_IN, "COM CTS" },
	117	{ H3XXX_GPIO_COM_RTS, GPIO_MODE_OUT0, "COM RTS" },
	118	};
	119
e55b20e8	120	static void __init h3600_mach_init(void)
898e810e	121	{
6e21ee6a	122	h3xxx_init_gpio(h3600_default_gpio, ARRAY_SIZE(h3600_default_gpio));
898e810e	123	h3xxx_mach_init();
a5d176a1	124	sa11x0_register_irda(&h3600_irda_data);
898e810e RK	125	}
898e810e RK	126
1da177e4	127	MACHINE_START(H3600, "Compaq iPAQ H3600")
e9dea0c6 RK	128	.boot_params = 0xc0000100,
	129	.map_io = h3600_map_io,
	130	.init_irq = sa1100_init_irq,
1da177e4	131	.timer = &sa1100_timer,
898e810e	132	.init_machine = h3600_mach_init,
1da177e4 LT	133	MACHINE_END
1da177e4 LT	134