You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
265 lines
8.1 KiB
265 lines
8.1 KiB
/*
|
|
* Copyright (C) 2016 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.
|
|
*/
|
|
|
|
#ifndef _ET7XX_LINUX_DRIVER_H_
|
|
#define _ET7XX_LINUX_DRIVER_H_
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/spi/spi.h>
|
|
#include <linux/wakelock.h>
|
|
#ifdef ENABLE_SENSORS_FPRINT_SECURE
|
|
#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>
|
|
#endif
|
|
|
|
#include <linux/cpufreq.h>
|
|
#include <linux/regulator/consumer.h>
|
|
#include <linux/pinctrl/consumer.h>
|
|
#include "../pinctrl/core.h"
|
|
|
|
#ifdef ET7XX_SPI_DEBUG
|
|
#define DEBUG_PRINT(fmt, args...) pr_err(fmt, ## args)
|
|
#else
|
|
#define DEBUG_PRINT(fmt, args...)
|
|
#endif
|
|
|
|
#define VENDOR "EGISTEC"
|
|
#define CHIP_ID "ET7XX"
|
|
|
|
/* assigned */
|
|
#define ET7XX_MAJOR 152
|
|
/* ... up to 256 */
|
|
#define N_SPI_MINORS 32
|
|
|
|
/* spi communication opcode */
|
|
#define OP_REG_R 0x20
|
|
#define OP_REG_R_S 0x22
|
|
#define OP_REG_R_S_BW 0x23
|
|
#define OP_REG_W 0x24
|
|
#define OP_REG_W_S 0x26
|
|
#define OP_REG_W_S_BW 0x27
|
|
#define OP_EF_R 0x40
|
|
#define OP_EF_W 0x42
|
|
#define OP_FB_R 0x50
|
|
#define OP_FB_W 0x52
|
|
#define OP_ZAVG_R 0x60
|
|
#define OP_HSTG_R 0x62
|
|
#define OP_CIS_ADDR_R 0x71
|
|
#define OP_CIS_REG_W 0x70
|
|
#define OP_GET_FRAME 0x61
|
|
#define OP_PRE_CAPTURE 0x62
|
|
|
|
/* ioctl opcode for spi */
|
|
#ifndef ENABLE_SENSORS_FPRINT_SECURE
|
|
#define FP_REGISTER_READ 0x01
|
|
#define FP_REGISTER_BREAD 0x20
|
|
#define FP_REGISTER_BREAD_BACKWARD 0x24
|
|
#define FP_REGISTER_WRITE 0x02
|
|
#define FP_REGISTER_BWRITE 0x21
|
|
#define FP_REGISTER_BWRITE_BACKWARD 0x25
|
|
#define FP_EFUSE_READ 0x10
|
|
#define FP_EFUSE_WRITE 0x11
|
|
#define FP_GET_IMG 0x12
|
|
#define FP_WRITE_IMG 0x13
|
|
#define FP_GET_ZAVG 0x14
|
|
#define FP_GET_HSTG 0x15
|
|
#define FP_CIS_REGISTER_READ 0x08
|
|
#define FP_CIS_REGISTER_WRITE 0x09
|
|
#define FP_CIS_PRE_CAPTURE 0x0A
|
|
#define FP_GET_CIS_FRAME 0x03
|
|
#define FP_TRANSFER_COMMAND 0x0D
|
|
|
|
#define FP_EEPROM_READ 0x80
|
|
#define FP_EEPROM_HIGH_SPEED_READ 0x81
|
|
#define FP_EEPROM_WRITE 0x82
|
|
#define FP_EEPROM_CHIP_ERASE 0x83
|
|
#define FP_EEPROM_SECTOR_ERASE 0x84
|
|
#define FP_EEPROM_BLOCK_ERASE 0x85
|
|
#define FP_EEPROM_WREN 0x86
|
|
#define FP_EEPROM_WRDI 0x87
|
|
#define FP_EEPROM_RSDR 0x88
|
|
#define FP_EEPROM_WRITE_IN_NON_TZ 0x8A
|
|
#endif
|
|
|
|
/* ioctl opcode for other request */
|
|
#define FP_SENSOR_RESET 0x04
|
|
#define FP_POWER_CONTROL 0x05
|
|
#define FP_SET_SPI_CLOCK 0x06
|
|
#define FP_RESET_CONTROL 0x07
|
|
|
|
#ifdef ENABLE_SENSORS_FPRINT_SECURE
|
|
#define FP_DISABLE_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_SENSOR_ORIENT 0x19
|
|
#define FP_SPI_VALUE 0x1a
|
|
#define FP_IOCTL_RESERVED_01 0x1b
|
|
#define FP_IOCTL_RESERVED_02 0x1c
|
|
#define FP_MODEL_INFO 0x1f
|
|
/* 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
|
|
|
|
#define SLOW_BAUD_RATE 20000000
|
|
#define DRDY_IRQ_ENABLE 1
|
|
#define DRDY_IRQ_DISABLE 0
|
|
#define DIVISION_OF_IMAGE 4
|
|
#define LARGE_SPI_TRANSFER_BUFFER 64
|
|
#define DETECT_ADM 1
|
|
|
|
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];
|
|
};
|
|
|
|
/*
|
|
* If platform is 32bit and kernel is 64bit
|
|
* We will alloc egis_ioc_transfer for 64bit and 32bit
|
|
* We use ioc_32(32bit) to get data from user mode.
|
|
* Then copy the ioc_32 to ioc(64bit).
|
|
*/
|
|
#ifdef CONFIG_SENSORS_FINGERPRINT_32BITS_PLATFORM_ONLY
|
|
struct egis_ioc_transfer_32 {
|
|
__u32 tx_buf;
|
|
__u32 rx_buf;
|
|
__u32 len;
|
|
__u32 speed_hz;
|
|
__u16 delay_usecs;
|
|
__u8 bits_per_word;
|
|
__u8 cs_change;
|
|
__u8 opcode;
|
|
__u8 pad[3];
|
|
};
|
|
#endif
|
|
|
|
#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 int users;
|
|
u8 *buf;/* tx buffer for sensor register read/write */
|
|
unsigned int bufsiz; /* MAX size of tx and rx buffer */
|
|
unsigned int drdyPin; /* DRDY GPIO pin number */
|
|
unsigned int sleepPin; /* Sleep GPIO pin number */
|
|
unsigned int ldo_pin; /* Ldo GPIO pin number */
|
|
unsigned int spi_cs; /* spi cs pin <temporary gpio setting> */
|
|
const char *rb;
|
|
|
|
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;
|
|
u32 spi_value;
|
|
struct device *fp_device;
|
|
#ifdef ENABLE_SENSORS_FPRINT_SECURE
|
|
bool enabled_clk;
|
|
struct wake_lock fp_spi_lock;
|
|
#endif
|
|
struct wake_lock fp_signal_lock;
|
|
bool tz_mode;
|
|
int detect_period;
|
|
int detect_threshold;
|
|
bool finger_on;
|
|
const char *chipid;
|
|
const char *model_info;
|
|
const char *btp_vdd;
|
|
const char *sensor_position;
|
|
struct regulator *regulator_3p3;
|
|
unsigned int orient;
|
|
struct pinctrl *p;
|
|
struct pinctrl_state *pins_poweron;
|
|
struct pinctrl_state *pins_poweroff;
|
|
bool ldo_enabled;
|
|
};
|
|
|
|
int etspi_io_read_cis_register(struct etspi_data *etspi, u8 *addr, u8 *buf);
|
|
int etspi_io_write_cis_register(struct etspi_data *etspi, u8 *buf);
|
|
int etspi_io_pre_capture(struct etspi_data *etspi);
|
|
int etspi_io_get_cis_frame(struct etspi_data *etspi, u8 *fr, u32 size);
|
|
|
|
int etspi_io_read_register(struct etspi_data *etspi, u8 *addr, u8 *buf);
|
|
int etspi_io_burst_read_register(struct etspi_data *etspi,
|
|
struct egis_ioc_transfer *ioc);
|
|
int etspi_io_burst_read_register_backward(struct etspi_data *etspi,
|
|
struct egis_ioc_transfer *ioc);
|
|
int etspi_io_write_register(struct etspi_data *etspi, u8 *buf);
|
|
int etspi_io_burst_write_register(struct etspi_data *etspi,
|
|
struct egis_ioc_transfer *ioc);
|
|
int etspi_io_burst_write_register_backward(struct etspi_data *etspi,
|
|
struct egis_ioc_transfer *ioc);
|
|
int etspi_io_read_efuse(struct etspi_data *etspi,
|
|
struct egis_ioc_transfer *ioc);
|
|
int etspi_io_write_efuse(struct etspi_data *etspi,
|
|
struct egis_ioc_transfer *ioc);
|
|
int etspi_io_get_frame(struct etspi_data *etspi, u8 *fr, u32 size);
|
|
int etspi_io_write_frame(struct etspi_data *etspi, u8 *fr, u32 size);
|
|
int etspi_io_get_zone_average(struct etspi_data *etspi, u8 *fr, u32 size);
|
|
int etspi_io_get_histogram(struct etspi_data *etspi, u8 *fr, u32 size);
|
|
int etspi_io_transfer_command(struct etspi_data *etspi, u8 *tx, u8 *rx,
|
|
u32 size);
|
|
|
|
int etspi_read_register(struct etspi_data *etspi, u8 addr, u8 *buf);
|
|
int etspi_write_register(struct etspi_data *etspi, u8 addr, u8 buf);
|
|
|
|
int etspi_eeprom_rdsr(struct etspi_data *etspi, u8 *value);
|
|
int etspi_eeprom_read(struct etspi_data *etspi, struct egis_ioc_transfer *ioc);
|
|
int etspi_eeprom_high_speed_read(struct etspi_data *etspi,
|
|
struct egis_ioc_transfer *ioc);
|
|
int etspi_eeprom_write(struct etspi_data *etspi, struct egis_ioc_transfer *ioc);
|
|
int etspi_eeprom_chip_erase(struct etspi_data *etspi);
|
|
int etspi_eeprom_sector_erase(struct etspi_data *etspi,
|
|
struct egis_ioc_transfer *ioc);
|
|
int etspi_eeprom_block_erase(struct etspi_data *etspi,
|
|
struct egis_ioc_transfer *ioc);
|
|
int etspi_eeprom_write_controller(struct etspi_data *etspi, int enable);
|
|
int etspi_eeprom_write_in_non_tz(struct etspi_data *etspi,
|
|
struct egis_ioc_transfer *ioc);
|
|
#endif
|
|
|