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/*

 *  linux/drivers/mfd/ucb1x00-assabet.c

 *

 *  Copyright (C) 2001-2003 Russell King, All Rights Reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License.

 *

 *  We handle the machine-specific bits of the UCB1x00 driver here.

 */

#include <linux/module.h>

#include <linux/init.h>

#include <linux/fs.h>

#include <linux/proc_fs.h>

#include <linux/device.h>

#include <asm/dma.h>

#include "ucb1x00.h"

#define UCB1X00_ATTR(name,input)\

static ssize_t name##_show(struct class_device *dev, char *buf) \

{                                                               \

        struct ucb1x00 *ucb = classdev_to_ucb1x00(dev);         \

        int val;                                                \

        ucb1x00_adc_enable(ucb);                                \

        val = ucb1x00_adc_read(ucb, input, UCB_NOSYNC);         \

        ucb1x00_adc_disable(ucb);                               \

        return sprintf(buf, "%d\n", val);                       \

}                                                               \

static CLASS_DEVICE_ATTR(name,0444,name##_show,NULL)

UCB1X00_ATTR(vbatt, UCB_ADC_INP_AD1);

UCB1X00_ATTR(vcharger, UCB_ADC_INP_AD0);

UCB1X00_ATTR(batt_temp, UCB_ADC_INP_AD2);

static int ucb1x00_assabet_add(struct ucb1x00_dev *dev)

{

        class_device_create_file(&dev->ucb->cdev, &class_device_attr_vbatt);

        class_device_create_file(&dev->ucb->cdev, &class_device_attr_vcharger);

        class_device_create_file(&dev->ucb->cdev, &class_device_attr_batt_temp);

        return 0;

}

static void ucb1x00_assabet_remove(struct ucb1x00_dev *dev)

{

        class_device_remove_file(&dev->ucb->cdev, &class_device_attr_batt_temp);

        class_device_remove_file(&dev->ucb->cdev, &class_device_attr_vcharger);

        class_device_remove_file(&dev->ucb->cdev, &class_device_attr_vbatt);

}

static struct ucb1x00_driver ucb1x00_assabet_driver = {

        .add    = ucb1x00_assabet_add,

        .remove = ucb1x00_assabet_remove,

};

static int __init ucb1x00_assabet_init(void)

{

        return ucb1x00_register_driver(&ucb1x00_assabet_driver);

}

static void __exit ucb1x00_assabet_exit(void)

{

        ucb1x00_unregister_driver(&ucb1x00_assabet_driver);

}

module_init(ucb1x00_assabet_init);

module_exit(ucb1x00_assabet_exit);

MODULE_AUTHOR("Russell King <rmk@arm.linux.org.uk>");

MODULE_DESCRIPTION("Assabet noddy testing only example ADC driver");

MODULE_LICENSE("GPL");