android_kernel_samsung_msm8976/include/linux/sec_nfc.h
LuK1337 fc9499e55a Import latest Samsung release
* Package version: T713XXU2BQCO

Change-Id: I293d9e7f2df458c512d59b7a06f8ca6add610c99
2017-04-18 03:43:52 +02:00

173 lines
3.7 KiB
C

/*
* 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_SENN3AB
#include <linux/pinctrl/consumer.h>
#define SEC_NFC_DRIVER_NAME "sec-nfc"
#define SEC_NFC_FN_DRIVER_NAME "sec-nfc-fn"
#define SEC_NFC_PROCESS_NAME "com.android.nfc"
#define SEC_NFC_MAX_BUFFER_SIZE 512
#define SEC_NFC_PROCESS_NAME_SIZE 128
/* ioctl */
#define SEC_NFC_MAGIC 'S'
#define SEC_NFC_GET_MODE _IOW(SEC_NFC_MAGIC, 0, unsigned int)
#define SEC_NFC_SET_MODE _IOW(SEC_NFC_MAGIC, 1, unsigned int)
#define SEC_NFC_GET_PUSH _IOW(SEC_NFC_MAGIC, 2, unsigned int)
#define SEC_NFC_SET_UART_STATE _IOW(SEC_NFC_MAGIC, 3, unsigned int)
#define SEC_NFC_EDC_SWEEP _IOW(SEC_NFC_MAGIC, 4, unsigned int)
// Security
#define SEC_NFC_FUSE_ID 0x00
#define SEC_NFC_SVC_FUSE 0x08
#define SEC_NFC_IS_SW_FUSE_BLOWN_ID 0x02
static uid_t g_secnfc_uid = 1027;
uint8_t check_custom_kernel(void);
// End of Security
/* size */
#define SEC_NFC_MSG_MIN_SIZE 1
#define SEC_NFC_MSG_MAX_SIZE (256 + 4)
/* wait for device stable */
#define SEC_NFC_VEN_WAIT_TIME (100)
/* gpio pin configuration */
struct sec_nfc_platform_data {
// unsigned int irq;
unsigned int ven;
unsigned int firm;
unsigned int tvdd;
void (*cfg_gpio)(void);
u32 pon_gpio_flags;
u32 rfs_gpio_flags;
u32 tvdd_gpio_flags;
struct pinctrl *nfc_pinctrl;
struct pinctrl_state *nfc_suspend;
struct pinctrl_state *nfc_active;
#ifdef CONFIG_SEC_NFC_LDO_JPN_CONTROL
const char *i2c_1p8;
const char *ldo_tvdd;
#endif
};
#define STATE_FIRM_HIGH 1
#define STATE_FIRM_LOW 0
enum sec_nfc_state {
SEC_NFC_ST_OFF = 0,
SEC_NFC_ST_NORM,
SEC_NFC_ST_FIRM,
SEC_NFC_ST_COUNT,
};
enum sec_nfc_uart_state {
SEC_NFC_ST_UART_OFF = 0,
SEC_NFC_ST_UART_ON,
};
#ifdef CONFIG_SEC_NFC_SENN3AB_FN
struct sec_nfc_fn_platform_data {
unsigned int push;
void (*cfg_gpio)(void);
u32 int_gpio_flags;
};
enum readable_state {
RDABLE_NULL = 0,
RDABLE_NO,
RDABLE_PENDING,
RDABLE_YES,
};
#endif
#else /* CONFIG_SEC_NFC_SENN3AB */
#include <linux/clk.h>
#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 _IOW(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 {
int irq;
int ven;
int firm;
int wake;
int pvdd;
unsigned int tvdd;
unsigned int avdd;
unsigned int clk_req;
struct clk *clk;
void (*cfg_gpio)(void);
u32 ven_gpio_flags;
u32 firm_gpio_flags;
u32 irq_gpio_flags;
const char *nfc_pvdd;
};
enum sec_nfc_mode {
SEC_NFC_MODE_OFF = 0,
SEC_NFC_MODE_FIRMWARE,
SEC_NFC_MODE_BOOTLOADER,
SEC_NFC_MODE_COUNT,
};
enum sec_nfc_power {
SEC_NFC_PW_ON = 0,
SEC_NFC_PW_OFF,
};
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,
};
#endif /* CONFIG_SEC_NFC_SENN3AB */
extern int poweroff_charging;
extern unsigned int lpcharge;
#define NFC_I2C_LDO_ON 1
#define NFC_I2C_LDO_OFF 0