mirror of
https://github.com/LineageOS/android_kernel_samsung_msm8226.git
synced 2026-09-29 00:00:25 +02:00
Francescodario Cuzzocrea
85baa390bf
* Samsung Package Version: G800HXXU1CRJ1
* CAF Tag: LA.BF.1.1.3-00110-8x26.0
187 lines
4.0 KiB
C
187 lines
4.0 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
|
|
|
|
#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)
|
|
|
|
// 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;
|
|
};
|
|
|
|
#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 */
|
|
|
|
#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 _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 */
|
|
#define SEC_NFC_VEN_WAIT_TIME (100)
|
|
|
|
/* gpio pin configuration */
|
|
struct sec_nfc_platform_data {
|
|
unsigned int irq;
|
|
unsigned int ven;
|
|
int firm;
|
|
int wake;
|
|
unsigned int tvdd;
|
|
unsigned int avdd;
|
|
#ifdef CONFIG_SEC_NFC_CLK_REQ
|
|
unsigned int clk_req;
|
|
#ifdef CONFIG_SEC_NFC_USE_8226_RFCLK2
|
|
struct clk *clk_enable;
|
|
#else
|
|
unsigned int clk_enable;
|
|
#endif
|
|
#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,
|
|
};
|
|
|
|
|
|
#endif /* CONFIG_SEC_NFC_SENN3AB */
|