path: root/drivers/input/mouse/cyapa.c

/*
 * Cypress APA trackpad with I2C interface
 *
 * Author: Dudley Du <dudl@cypress.com>
 * Further cleanup and restructuring by:
 *   Daniel Kurtz <djkurtz@chromium.org>
 *   Benson Leung <bleung@chromium.org>
 *
 * Copyright (C) 2011-2015 Cypress Semiconductor, Inc.
 * Copyright (C) 2011-2012 Google, Inc.
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file COPYING in the main directory of this archive for
 * more details.
 */

#include <linux/delay.h>
#include <linux/i2c.h>
#include <linux/input.h>
#include <linux/input/mt.h>
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/regulator/consumer.h>
#include <linux/slab.h>
#include <linux/uaccess.h>
#include <linux/pm_runtime.h>
#include <linux/acpi.h>
#include <linux/of.h>
#include "cyapa.h"


#define CYAPA_ADAPTER_FUNC_NONE   0
#define CYAPA_ADAPTER_FUNC_I2C    1
#define CYAPA_ADAPTER_FUNC_SMBUS  2
#define CYAPA_ADAPTER_FUNC_BOTH   3

#define CYAPA_FW_NAME		"cyapa.bin"

const char product_id[] = "CYTRA";

static int cyapa_reinitialize(struct cyapa *cyapa);

bool cyapa_is_pip_bl_mode(struct cyapa *cyapa)
{
	if (cyapa->gen == CYAPA_GEN6 && cyapa->state == CYAPA_STATE_GEN6_BL)
		return true;

	if (cyapa->gen == CYAPA_GEN5 && cyapa->state == CYAPA_STATE_GEN5_BL)
		return true;

	return false;
}

bool cyapa_i