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yaml
---
r: 8495
b: refs/heads/master
c: 48c9202
h: refs/heads/master
i:
  8493: c8b043c
  8491: e74b06c
  8487: 5681762
  8479: 683e218
v: v3
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Russell King authored and Russell King committed Sep 11, 2005
1 parent 2625b8c commit e98bc76
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2 changes: 1 addition & 1 deletion [refs]
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---
refs/heads/master: acb45439a89c6830349c02405f00a7208db0a66b
refs/heads/master: 48c92022ad264cb8084cee78a499f183b264e45f
4 changes: 4 additions & 0 deletions trunk/drivers/mfd/Makefile
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Expand Up @@ -6,3 +6,7 @@ obj-$(CONFIG_MCP) += mcp-core.o
obj-$(CONFIG_MCP_SA11X0) += mcp-sa11x0.o
obj-$(CONFIG_MCP_UCB1200) += ucb1x00-core.o
obj-$(CONFIG_MCP_UCB1200_TS) += ucb1x00-ts.o

ifeq ($(CONFIG_SA1100_ASSABET),y)
obj-$(CONFIG_MCP_UCB1200) += ucb1x00-assabet.o
endif
73 changes: 73 additions & 0 deletions trunk/drivers/mfd/ucb1x00-assabet.c
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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");

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