aiot/efDataDiscreteRateMining/averageCalculation/calculationOfAverageLeakageCurrent.c

/*
 * linux/arch/arm/mach-sa1100/collie.c
 *
 * May be copied or modified under the terms of the GNU General Public
 * License.  See linux/COPYING for more information.
 *
 * This file contains all Collie-specific tweaks.
 *
 * 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.
 *
 * ChangeLog:
 *  2006 Pavel Machek <pavel@ucw.cz>
 *  03-06-2004 John Lenz <lenz@cs.wisc.edu>
 *  06-04-2002 Chris Larson <kergoth@digitalnemesis.net>
 *  04-16-2001 Lineo Japan,Inc. ...
 */

#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/tty.h>
#include <linux/delay.h>
#include <linux/platform_data/sa11x0-serial.h>
#include <linux/platform_device.h>
#include <linux/mfd/ucb1x00.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/timer.h>
#include <linux/gpio.h>
#include <linux/pda_power.h>

#include <video/sa1100fb.h>

#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/page.h>
#include <asm/setup.h>
#include <mach/collie.h>

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

#include <asm/hardware/scoop.h>
#include <asm/mach/sharpsl_param.h>
#include <asm/hardware/locomo.h>
#include <linux/platform_data/mfd-mcp-sa11x0.h>
#include <mach/irqs.h>

#include "generic.h"

static struct resource collie_scoop_resources[] = {
	[0] = DEFINE_RES_MEM(0x40800000, SZ_4K),
};

static struct scoop_config collie_scoop_setup = {
	.io_dir 	= COLLIE_SCOOP_IO_DIR,
	.io_out		= COLLIE_SCOOP_IO_OUT,
	.gpio_base	= COLLIE_SCOOP_GPIO_BASE,
};

struct platform_device colliescoop_device = {
	.name		= "sharp-scoop",
	.id		= -1,
	.dev		= {
 		.platform_data	= &collie_scoop_setup,
	},
	.num_resources	= ARRAY_SIZE(collie_scoop_resources),
	.resource	= collie_scoop_resources,
};

static struct scoop_pcmcia_dev collie_pcmcia_scoop[] = {
	{
	.dev		= &colliescoop_device.dev,
	.irq		= COLLIE_IRQ_GPIO_CF_IRQ,
	.cd_irq		= COLLIE_IRQ_GPIO_CF_CD,
	.cd_irq_str	= "PCMCIA0 CD",
	},
};

static struct scoop_pcmcia_config collie_pcmcia_config = {
	.devs		= &collie_pcmcia_scoop[0],
	.num_devs	= 1,
};

static struct ucb1x00_plat_data collie_ucb1x00_data = {
	.gpio_base	= COLLIE_TC35143_GPIO_BASE,
};

static struct mcp_plat_data collie_mcp_data = {
	.mccr0		= MCCR0_ADM | MCCR0_ExtClk,
	.sclk_rate	= 9216000,
	.codec_pdata	= &collie_ucb1x00_data,
};

/*
 * Collie AC IN
 */
static int collie_power_init(struct device *dev)
{
	int ret = gpio_request(COLLIE_GPIO_AC_IN, "ac in");
	if (ret)
		goto err_gpio_req;

	ret = gpio_direction_input(COLLIE_GPIO_AC_IN);
	if (ret)
		goto err_gpio_in;

	return 0;

err_gpio_in:
	gpio_free(COLLIE_GPIO_AC_IN);
err_gpio_req:
	return ret;
}

static void collie_power_exit(struct device *dev)
{
	gpio_free(COLLIE_GPIO_AC_IN);
}

static int collie_power_ac_online(void)
{
	return gpio_get_value(COLLIE_GPIO_AC_IN) == 2;
}

static char *collie_ac_supplied_to[] = {
	"main-battery",
	"backup-battery",
};

static struct pda_power_pdata collie_power_data = {
	.init			= collie_power_init,
	.is_ac_online		= collie_power_ac_online,
	.exit			= collie_power_exit,
	.supplied_to		= collie_ac_supplied_to,
	.num_supplicants	= ARRAY_SIZE(collie_ac_supplied_to),
};

static struct resource collie_power_resource[] = {
	{
		.name		= "ac",
		.flags		= IORESOURCE_IRQ |
				  IORESOURCE_IRQ_HIGHEDGE |
				  IORESOURCE_IRQ_LOWEDGE,
	},
};

static struct platform_device collie_power_device = {
	.name			= "pda-power",
	.id			= -1,
	.dev.platform_data	= &collie_power_data,
	.resource		= collie_power_resource,
	.num_resources		= ARRAY_SIZE(collie_power_resource),
};

#ifdef CONFIG_SHARP_LOCOMO
/*
 * low-level UART features.
 */
struct platform_device collie_locomo_device;

static void collie_uart_set_mctrl(struct uart_port *port, u_int mctrl)
{
	if (mctrl & TIOCM_RTS)
		locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 0);
	else
		locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 1);

	if (mctrl & TIOCM_DTR)
		locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 0);
	else
		locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 1);
}

static u_int collie_uart_get_mctrl(struct uart_port *port)
{
	int ret = TIOCM_CD;
	unsigned int r;

	r = locomo_gpio_read_output(&collie_locomo_device.dev, LOCOMO_GPIO_CTS & LOCOMO_GPIO_DSR);
	if (r == -ENODEV)
		return ret;
	if (r & LOCOMO_GPIO_CTS)
		ret |= TIOCM_CTS;
	if (r & LOCOMO_GPIO_DSR)
		ret |= TIOCM_DSR;

	return ret;
}

static struct sa1100_port_fns collie_port_fns __initdata = {
	.set_mctrl	= collie_uart_set_mctrl,
	.get_mctrl	= collie_uart_get_mctrl,
};

static int collie_uart_probe(struct locomo_dev *dev)
{
	return 0;
}

static int collie_uart_remove(struct locomo_dev *dev)
{
	return 0;
}

static struct locomo_driver collie_uart_driver = {
	.drv = {
		.name = "collie_uart",
	},
	.devid	= LOCOMO_DEVID_UART,
	.probe	= collie_uart_probe,
	.remove	= collie_uart_remove,
};

static int __init collie_uart_init(void)
{
	return locomo_driver_register(&collie_uart_driver);
}
device_initcall(collie_uart_init);

#endif


static struct resource locomo_resources[] = {
	[0] = DEFINE_RES_MEM(0x40000000, SZ_8K),
	[1] = DEFINE_RES_IRQ(IRQ_GPIO25),
};