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/* BEGIN PN:DTS2013051703879 ,Added by l00184147, 2013/5/17*/
//add Touch driver for G610-T11
/* BEGIN PN:DTS2013012601133 ,Modified by l00184147, 2013/1/26*/
/* BEGIN PN:SPBB-1218 ,Added by l00184147, 2012/12/20*/
/*
* cyttsp4_mtb.c
* Cypress TrueTouch(TM) Standard Product V4 Multi-touch module.
* For use with Cypress Txx4xx parts.
* Supported parts include:
* TMA4XX
* TMA1036
*
* Copyright (C) 2012 Cypress Semiconductor
* Copyright (C) 2011 Sony Ericsson Mobile Communications AB.
*
* 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.
*
* Contact Cypress Semiconductor at www.cypress.com <ttdrivers@cypress.com>
*
*/
#include <linux/input.h>
#include <linux/input/mt.h>
#include "cyttsp4_core.h"
#include "cyttsp4_mt_common.h"
static void cyttsp4_final_sync(struct input_dev *input, int max_tchs,
int mt_sync_count, int *ids)
{
int t;
for (t = 0; t < max_tchs + 1; t++) {
if (ids[t])
continue;
input_mt_slot(input, t);
input_mt_report_slot_state(input, MT_TOOL_FINGER, false);
}
input_sync(input);
}
static void cyttsp4_input_report(struct input_dev *input, int sig, int t)
{
input_mt_slot(input, t);
input_mt_report_slot_state(input, MT_TOOL_FINGER, true);
}
static void cyttsp4_report_slot_liftoff(struct cyttsp4_mt_data *md)
{
struct cyttsp4_sysinfo *si = md->si;
int t;
if (md->num_prv_tch == 0)
return;
for (t = 0; t < si->si_ofs.max_tchs + 1; t++) {
input_mt_slot(md->input, t);
input_mt_report_slot_state(md->input,
MT_TOOL_FINGER, false);
}
}
static int cyttsp4_input_register_device(struct input_dev *input, int max_tchs)
{
/* max num slots equals max touches + 1 for hover */
input_mt_init_slots(input, max_tchs + 1);//modified by linghai interim because of the input-mt.c change
return input_register_device(input);
}
void cyttsp4_init_function_ptrs(struct cyttsp4_mt_data *md)
{
md->mt_function.report_slot_liftoff = cyttsp4_report_slot_liftoff;
md->mt_function.final_sync = cyttsp4_final_sync;
md->mt_function.input_sync = NULL;
md->mt_function.input_report = cyttsp4_input_report;
md->mt_function.input_register_device = cyttsp4_input_register_device;
}
static int __init cyttsp4_mt_init(void)
{
int rc;
cyttsp4_mt_driver.driver.owner = THIS_MODULE;
rc = cyttsp4_register_driver(&cyttsp4_mt_driver);
pr_info("%s: Cypress TTSP MT v4 multi-touch (Built %s), rc=%d\n",
__func__, CY_DRIVER_DATE, rc);
return rc;
}
module_init(cyttsp4_mt_init);
static void __exit cyttsp4_mt_exit(void)
{
cyttsp4_unregister_driver(&cyttsp4_mt_driver);
pr_info("%s: module exit\n", __func__);
}
module_exit(cyttsp4_mt_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Cypress TrueTouch(R) Standard 2D multi-touch driver");
MODULE_AUTHOR("Cypress Semiconductor");
/* END PN:SPBB-1218 ,Added by l00184147, 2012/12/20*/
/* END PN:DTS2013012601133 ,Modified by l00184147, 2013/1/26*/
/* END PN:DTS2013051703879 ,Added by l00184147, 2013/5/17*/
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