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/*
* SAMSUNG NFC N2 Controller
*
* Copyright (C) 2013 Samsung Electronics Co.Ltd
* Author: Woonki Lee <woonki84.lee@samsung.com>
*
* 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, or (at your
* option) any later version.
*
*/
#include <linux/platform_device.h>
#ifdef CONFIG_SEC_NFC_CLK_REQ
#include <linux/clk.h>
#endif
#ifdef CONFIG_SEC_NFC_I2C /* support old driver configuration */
#ifndef CONFIG_SEC_NFC
#define CONFIG_SEC_NFC
#endif
#if !defined(CONFIG_SEC_NFC_IF_I2C) && !defined(CONFIG_SEC_NFC_IF_UART)
#define CONFIG_SEC_NFC_IF_I2C
#endif
#if !defined(CONFIG_SEC_NFC_PRODUCT_N3) && !defined(CONFIG_SEC_NFC_PRODUCT_N5)
#define CONFIG_SEC_NFC_PRODUCT_N3
#endif
#endif /* CONFIG_SEC_NFC_I2C */
#define SEC_NFC_DRIVER_NAME "sec-nfc"
#define SEC_NFC_MAX_BUFFER_SIZE 512
/* ioctl */
#define SEC_NFC_MAGIC 'S'
#define SEC_NFC_GET_MODE _IOR(SEC_NFC_MAGIC, 0, unsigned int)
#define SEC_NFC_SET_MODE _IOW(SEC_NFC_MAGIC, 1, unsigned int)
#define SEC_NFC_SLEEP _IOW(SEC_NFC_MAGIC, 2, unsigned int)
#define SEC_NFC_WAKEUP _IOW(SEC_NFC_MAGIC, 3, unsigned int)
/* size */
#define SEC_NFC_MSG_MAX_SIZE (256 + 4)
/* wait for device stable */
#ifdef CONFIG_SEC_NFC_MARGINTIME
#define SEC_NFC_VEN_WAIT_TIME (150)
#else
#define SEC_NFC_VEN_WAIT_TIME (100)
#endif
/* gpio pin configuration */
struct sec_nfc_platform_data {
unsigned int irq;
unsigned int ven;
#ifdef CONFIG_NFC_N5_PMC8974_CLK_REQ
int firm;
int wake;
#else
unsigned int firm;
unsigned int wake;
#endif
unsigned int tvdd;
unsigned int avdd;
#ifdef CONFIG_SEC_NFC_CLK_REQ
unsigned int clk_req;
struct clk *clk;
#endif
#ifdef CONFIG_SOC_EXYNOS5433
struct clk *gate_top_cam1;
#endif
#if defined(CONFIG_NFC_N5_PMC8974_CLK_REQ) || defined(CONFIG_SEC_NFC_USE_8226_BBCLK2)
struct clk *nfc_clk;
#endif
void (*cfg_gpio)(void);
u32 ven_gpio_flags;
u32 firm_gpio_flags;
u32 irq_gpio_flags;
};
enum sec_nfc_mode {
SEC_NFC_MODE_OFF = 0,
SEC_NFC_MODE_FIRMWARE,
SEC_NFC_MODE_BOOTLOADER,
SEC_NFC_MODE_COUNT,
};
#ifdef CONFIG_SEC_NFC_PRODUCT_N3
enum sec_nfc_power {
SEC_NFC_PW_OFF = 0,
SEC_NFC_PW_ON,
};
#elif defined(CONFIG_SEC_NFC_PRODUCT_N5)
enum sec_nfc_power {
SEC_NFC_PW_ON = 0,
SEC_NFC_PW_OFF,
};
#endif
enum sec_nfc_firmpin
{
SEC_NFC_FW_OFF = 0,
SEC_NFC_FW_ON,
};
enum sec_nfc_wake {
SEC_NFC_WAKE_SLEEP = 0,
SEC_NFC_WAKE_UP,
};
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