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/* Copyright (c) 2008-2009, Code Aurora Forum. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Code Aurora Forum nor
* the names of its contributors may be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* Alternatively, provided that this notice is retained in full, this software
* may be relicensed by the recipient under the terms of the GNU General Public
* License version 2 ("GPL") and only version 2, in which case the provisions of
* the GPL apply INSTEAD OF those given above. If the recipient relicenses the
* software under the GPL, then the identification text in the MODULE_LICENSE
* macro must be changed to reflect "GPLv2" instead of "Dual BSD/GPL". Once a
* recipient changes the license terms to the GPL, subsequent recipients shall
* not relicense under alternate licensing terms, including the BSD or dual
* BSD/GPL terms. In addition, the following license statement immediately
* below and between the words START and END shall also then apply when this
* software is relicensed under the GPL:
*
* START
*
* 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.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* END
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
/* Qualcomm PMIC Multi-Purpose Pin Configurations */
#include <linux/kernel.h>
#include <linux/device.h>
#include <linux/init.h>
#include <linux/debugfs.h>
#include <mach/mpp.h>
#include "proc_comm.h"
#define MPP(_name, _id, _is_input, _status) \
{ .name = _name, .id = _id, .is_input = _is_input, .status = _status}
static struct mpp mpps[] = {
MPP("mpp1", 0, 0, 0),
MPP("mpp2", 1, 0, 0),
MPP("mpp3", 2, 0, 0),
MPP("mpp4", 3, 0, 0),
MPP("mpp5", 4, 0, 0),
MPP("mpp6", 5, 0, 0),
MPP("mpp7", 6, 0, 0),
MPP("mpp8", 7, 0, 0),
MPP("mpp9", 8, 0, 0),
MPP("mpp10", 9, 0, 0),
MPP("mpp11", 10, 0, 0),
MPP("mpp12", 11, 0, 0),
MPP("mpp13", 12, 0, 0),
MPP("mpp14", 13, 0, 0),
MPP("mpp15", 14, 0, 0),
MPP("mpp16", 15, 0, 0),
MPP("mpp17", 16, 0, 0),
MPP("mpp18", 17, 0, 0),
MPP("mpp19", 18, 0, 0),
MPP("mpp20", 19, 0, 0),
MPP("mpp21", 20, 0, 0),
MPP("mpp22", 21, 0, 0),
};
struct mpp *mpp_get(struct device *dev, const char *id)
{
int n;
for (n = 0; n < ARRAY_SIZE(mpps); n++) {
if (!strcmp(mpps[n].name, id))
return mpps + n;
}
return NULL;
}
EXPORT_SYMBOL(mpp_get);
int mpp_config_digital_out(struct mpp *mpp, unsigned config)
{
unsigned id = mpp->id;
int err;
err = msm_proc_comm(PCOM_PM_MPP_CONFIG, &id, &config);
mpp->status = err;
mpp->is_input = 0;
return err;
}
EXPORT_SYMBOL(mpp_config_digital_out);
int mpp_config_digital_in(struct mpp *mpp, unsigned config)
{
unsigned id = mpp->id;
int err;
err = msm_proc_comm(PCOM_PM_MPP_CONFIG_DIGITAL_INPUT, &id, &config);
mpp->status = err;
mpp->is_input = 1;
return err;
}
EXPORT_SYMBOL(mpp_config_digital_in);
#if defined(CONFIG_DEBUG_FS)
static int mpp_debug_set(void *data, u64 val)
{
int err;
struct mpp *mpp = data;
err = mpp_config_digital_out(mpp, (unsigned)val);
if (err) {
printk(KERN_ERR
"%s: mpp_config_digital_out \
[%s(%d) = 0x%x] failed\n",
__func__, mpp->name, mpp->id, (unsigned)val);
}
return 0;
}
static int mpp_debug_get(void *data, u64 *val)
{
struct mpp *mpp = data;
int status = mpp->status;
if (!status)
*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;
dent = debugfs_create_dir("mpp", 0);
if (IS_ERR(dent))
return 0;
for (n = 0; n < ARRAY_SIZE(mpps); n++)
debugfs_create_file(mpps[n].name, 0644, dent, mpps + n,
&mpp_fops);
return 0;
}
device_initcall(mpp_debug_init);
#endif
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