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/* Copyright (c) 2008-2009, The Linux Foundation. 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 version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
/* Qualcomm PMIC Multi-Purpose Pin Configurations */
#include <linux/kernel.h>
#include <linux/device.h>
#include <linux/init.h>
#include <linux/debugfs.h>
#include <linux/module.h>
#include <mach/mpp.h>
#include <mach/proc_comm.h>
int mpp_config_digital_out(unsigned mpp, unsigned config)
{
int err;
err = msm_proc_comm(PCOM_PM_MPP_CONFIG, &mpp, &config);
if (err)
pr_err("%s: msm_proc_comm(PCOM_PM_MPP_CONFIG) failed\n",
__func__);
return err;
}
EXPORT_SYMBOL(mpp_config_digital_out);
int mpp_config_digital_in(unsigned mpp, unsigned config)
{
int err;
err = msm_proc_comm(PCOM_PM_MPP_CONFIG_DIGITAL_INPUT, &mpp, &config);
if (err)
pr_err("%s: msm_proc_comm(PCOM_PM_MPP_CONFIG) failed\n",
__func__);
return err;
}
EXPORT_SYMBOL(mpp_config_digital_in);
#if defined(CONFIG_DEBUG_FS)
static int test_result;
static int mpp_debug_set(void *data, u64 val)
{
unsigned mpp = (unsigned) data;
test_result = mpp_config_digital_out(mpp, (unsigned)val);
if (test_result) {
printk(KERN_ERR
"%s: mpp_config_digital_out \
[mpp(%d) = 0x%x] failed (err=%d)\n",
__func__, mpp, (unsigned)val, test_result);
}
return 0;
}
static int mpp_debug_get(void *data, u64 *val)
{
if (!test_result)
*val = 0;
else
*val = 1;
return 0;
}
DEFINE_SIMPLE_ATTRIBUTE(mpp_fops, mpp_debug_get, mpp_debug_set, "%llu\n");
static int __init mpp_debug_init(void)
{
struct dentry *dent;
int n;
char file_name[16];
dent = debugfs_create_dir("mpp", 0);
if (IS_ERR(dent))
return 0;
for (n = 0; n < MPPS; n++) {
snprintf(file_name, sizeof(file_name), "mpp%d", n + 1);
debugfs_create_file(file_name, 0644, dent,
(void *)n, &mpp_fops);
}
return 0;
}
device_initcall(mpp_debug_init);
#endif
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