225 lines
6.1 KiB
C
225 lines
6.1 KiB
C
/*
|
|
* Copyright (C) 2013 Samsung Electronics. All rights reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* 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 St, Fifth Floor, Boston, MA
|
|
* 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef _ET320_LINUX_DIRVER_H_
|
|
#define _ET320_LINUX_DIRVER_H_
|
|
|
|
#ifdef ENABLE_SENSORS_FPRINT_SECURE
|
|
#define FEATURE_SPI_WAKELOCK
|
|
#endif /* CONFIG_SEC_FACTORY */
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/spi/spi.h>
|
|
#ifdef ENABLE_SENSORS_FPRINT_SECURE
|
|
#include <linux/wakelock.h>
|
|
#include <linux/clk.h>
|
|
#include <linux/pm_runtime.h>
|
|
#include <linux/spi/spidev.h>
|
|
#include <linux/of.h>
|
|
#include <linux/of_device.h>
|
|
#include <linux/of_dma.h>
|
|
#include <linux/amba/bus.h>
|
|
#include <linux/amba/pl330.h>
|
|
#include <linux/cpufreq.h>
|
|
#endif
|
|
|
|
/*#define ET320_SPI_DEBUG*/
|
|
|
|
#ifdef ET320_SPI_DEBUG
|
|
#define DEBUG_PRINT(fmt, args...) pr_err(fmt, ## args)
|
|
#else
|
|
#define DEBUG_PRINT(fmt, args...)
|
|
#endif
|
|
|
|
#define VENDOR "EGISTEC"
|
|
#define CHIP_ID "ET320"
|
|
|
|
/* assigned */
|
|
#define ET320_MAJOR 153
|
|
/* ... up to 256 */
|
|
#define N_SPI_MINORS 32
|
|
|
|
#define ET320_ADDRESS_0 0x00
|
|
#define ET320_WRITE_ADDRESS 0xAC
|
|
#define ET320_READ_DATA 0xAF
|
|
#define ET320_WRITE_DATA 0xAE
|
|
#define FP_EEPROM_WREN_OP 0x06
|
|
#define FP_EEPROM_WRDI_OP 0x04
|
|
#define FP_EEPROM_RDSR_OP 0x05
|
|
#define FP_EEPROM_WRSR_OP 0x01
|
|
#define FP_EEPROM_READ_OP 0x03
|
|
#define FP_EEPROM_WRITE_OP 0x02
|
|
#define BITS_PER_WORD 8
|
|
|
|
#define SLOW_BAUD_RATE 16000000
|
|
|
|
#define DRDY_IRQ_ENABLE 1
|
|
#define DRDY_IRQ_DISABLE 0
|
|
|
|
#define ET320_INT_DETECTION_PERIOD 10
|
|
#define ET320_DETECTION_THRESHOLD 10
|
|
|
|
#define FP_REGISTER_READ 0x01
|
|
#define FP_REGISTER_WRITE 0x02
|
|
#define FP_GET_ONE_IMG 0x03
|
|
#define FP_SENSOR_RESET 0x04
|
|
#define FP_POWER_CONTROL 0x05
|
|
#define FP_SET_SPI_CLOCK 0x06
|
|
#define FP_RESET_SET 0x07
|
|
|
|
#ifdef ENABLE_SENSORS_FPRINT_SECURE
|
|
#define FP_DIABLE_SPI_CLOCK 0x10
|
|
#define FP_CPU_SPEEDUP 0x11
|
|
#define FP_SET_SENSOR_TYPE 0x14
|
|
/* Do not use ioctl number 0x15 */
|
|
#define FP_SET_LOCKSCREEN 0x16
|
|
#define FP_SET_WAKE_UP_SIGNAL 0x17
|
|
#endif
|
|
|
|
#define FP_POWER_CONTROL_ET510 0x18
|
|
#define FP_IOCTL_RESERVED_01 0x19
|
|
|
|
#define FP_EEPROM_WREN 0x90
|
|
#define FP_EEPROM_WRDI 0x91
|
|
#define FP_EEPROM_RDSR 0x92
|
|
#define FP_EEPROM_WRSR 0x93
|
|
#define FP_EEPROM_READ 0x94
|
|
#define FP_EEPROM_WRITE 0x95
|
|
|
|
/* trigger signal initial routine */
|
|
#define INT_TRIGGER_INIT 0xa4
|
|
/* trigger signal close routine */
|
|
#define INT_TRIGGER_CLOSE 0xa5
|
|
/* read trigger status */
|
|
#define INT_TRIGGER_READ 0xa6
|
|
/* polling trigger status */
|
|
#define INT_TRIGGER_POLLING 0xa7
|
|
/* polling abort */
|
|
#define INT_TRIGGER_ABORT 0xa8
|
|
/* Sensor Registers */
|
|
#define FDATA_ET320_ADDR 0x00
|
|
#define FSTATUS_ET320_ADDR 0x01
|
|
/* Detect Define */
|
|
#define FRAME_READY_MASK 0x01
|
|
|
|
struct egis_ioc_transfer {
|
|
u8 *tx_buf;
|
|
u8 *rx_buf;
|
|
|
|
__u32 len;
|
|
__u32 speed_hz;
|
|
|
|
__u16 delay_usecs;
|
|
__u8 bits_per_word;
|
|
__u8 cs_change;
|
|
__u8 opcode;
|
|
__u8 pad[3];
|
|
|
|
};
|
|
|
|
#define EGIS_IOC_MAGIC 'k'
|
|
#define EGIS_MSGSIZE(N) \
|
|
((((N)*(sizeof(struct egis_ioc_transfer))) < (1 << _IOC_SIZEBITS)) \
|
|
? ((N)*(sizeof(struct egis_ioc_transfer))) : 0)
|
|
#define EGIS_IOC_MESSAGE(N) _IOW(EGIS_IOC_MAGIC, 0, char[EGIS_MSGSIZE(N)])
|
|
|
|
struct etspi_data {
|
|
dev_t devt;
|
|
spinlock_t spi_lock;
|
|
struct spi_device *spi;
|
|
struct list_head device_entry;
|
|
|
|
/* buffer is NULL unless this device is open (users > 0) */
|
|
struct mutex buf_lock;
|
|
unsigned users;
|
|
u8 *buffer;
|
|
unsigned int ocp_en; /* ocp enable GPIO pin number */
|
|
unsigned int drdyPin; /* DRDY GPIO pin number */
|
|
unsigned int sleepPin; /* Sleep GPIO pin number */
|
|
unsigned int ldo_pin; /* Ldo GPIO pin number */
|
|
unsigned int ldo_pin2; /* Ldo2 GPIO pin number */
|
|
unsigned int min_cpufreq_limit;
|
|
|
|
unsigned int spi_cs; /* spi cs pin <temporary gpio setting> */
|
|
|
|
unsigned int drdy_irq_flag; /* irq flag */
|
|
bool ldo_onoff;
|
|
|
|
/* For polling interrupt */
|
|
int int_count;
|
|
struct timer_list timer;
|
|
struct work_struct work_debug;
|
|
struct workqueue_struct *wq_dbg;
|
|
struct timer_list dbg_timer;
|
|
int sensortype;
|
|
#ifdef CONFIG_SENSORS_FINGERPRINT_SYSFS
|
|
struct device *fp_device;
|
|
#endif
|
|
#ifdef ENABLE_SENSORS_FPRINT_SECURE
|
|
bool enabled_clk;
|
|
bool isGpio_cfgDone;
|
|
#ifdef FEATURE_SPI_WAKELOCK
|
|
struct wake_lock fp_spi_lock;
|
|
#endif
|
|
struct task_struct *t;
|
|
int user_pid;
|
|
int signal_id;
|
|
#endif
|
|
bool tz_mode;
|
|
int detect_period;
|
|
int detect_threshold;
|
|
bool finger_on;
|
|
};
|
|
|
|
#ifdef ENABLE_SENSORS_FPRINT_SECURE
|
|
/*
|
|
* Used by IOCTL command:
|
|
* ETSPI_IOCTL_REGISTER_LOCK_SCREEN_WAKE_UP_SIGNAL
|
|
*
|
|
* @user_pid:Process ID to which SPI driver sends signal indicating that LOCK SCREEN
|
|
* is asserted
|
|
* @signal_id:signal_id
|
|
*/
|
|
struct etspi_ioctl_register_signal {
|
|
int user_pid;
|
|
int signal_id;
|
|
};
|
|
#endif
|
|
|
|
int etspi_io_read_register(struct etspi_data *etspi, u8 *addr, u8 *buf);
|
|
int etspi_io_write_register(struct etspi_data *etspi, u8 *buf);
|
|
int etspi_io_get_one_image(struct etspi_data *etspi, u8 *buf, u8 *image_buf);
|
|
int etspi_read_register(struct etspi_data *etspi, u8 addr, u8 *buf);
|
|
int etspi_mass_read(struct etspi_data *etspi, u8 addr, u8 *buf, int read_len);
|
|
int etspi_eeprom_wren(struct etspi_data *etspi);
|
|
int etspi_eeprom_wrdi(struct etspi_data *etspi);
|
|
int etspi_eeprom_rdsr(struct etspi_data *etspi, u8 *buf);
|
|
int etspi_eeprom_wrsr(struct etspi_data *etspi, u8 *buf);
|
|
int etspi_eeprom_read(struct etspi_data *etspi,
|
|
u8 *addr, u8 *buf, int read_len);
|
|
int etspi_eeprom_write(struct etspi_data *etspi, u8 *buf, int write_len);
|
|
|
|
#ifdef CONFIG_SENSORS_FINGERPRINT_SYSFS
|
|
extern int fingerprint_register(struct device *dev, void *drvdata,
|
|
struct device_attribute *attributes[], char *name);
|
|
extern void fingerprint_unregister(struct device *dev,
|
|
struct device_attribute *attributes[]);
|
|
#endif
|
|
|
|
#endif
|