181 lines
5.6 KiB
C
Executable file
181 lines
5.6 KiB
C
Executable file
/*
|
|
* 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 _EL7XX_LINUX_DRIVER_H_
|
|
#define _EL7XX_LINUX_DRIVER_H_
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/uaccess.h>
|
|
#include <linux/of.h>
|
|
#ifdef ENABLE_SENSORS_FPRINT_SECURE
|
|
#include <linux/clk.h>
|
|
#include <linux/pm_runtime.h>
|
|
#include <linux/spi/spidev.h>
|
|
#include <linux/of_device.h>
|
|
#include <linux/of_dma.h>
|
|
#endif /* ENABLE_SENSORS_FPRINT_SECURE */
|
|
|
|
#include <linux/regulator/consumer.h>
|
|
#include <linux/pinctrl/consumer.h>
|
|
#include "../pinctrl/core.h"
|
|
#include "fingerprint_common.h"
|
|
|
|
#define VENDOR "EGISTEC"
|
|
#define CHIP_ID "EL7XX"
|
|
|
|
/* assigned */
|
|
#define EL7XX_MAJOR 152
|
|
/* ... up to 256 */
|
|
#define N_SPI_MINORS 32
|
|
static DECLARE_BITMAP(minors, N_SPI_MINORS);
|
|
static LIST_HEAD(device_list);
|
|
static DEFINE_MUTEX(device_list_lock);
|
|
|
|
static unsigned int bufsiz = 256 * 1024;
|
|
|
|
/* 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_TRANSFER_COMMAND 0x0D
|
|
#define FP_SET_SPI_SETUP_CONF 0x1b
|
|
#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
|
|
#define FP_DISABLE_SPI_CLOCK 0x10
|
|
#ifdef ENABLE_SENSORS_FPRINT_SECURE
|
|
#define FP_CPU_SPEEDUP 0x11
|
|
#define FP_SET_SENSOR_TYPE 0x14
|
|
/* Do not use ioctl number 0x15 */
|
|
#endif
|
|
#define FP_SPI_VALUE 0x1a
|
|
#define FP_MODEL_INFO 0x1f
|
|
#define INT_TRIGGER_READ 0xa6
|
|
#define INT_TRIGGER_POLLING 0xa7
|
|
#define FP_IOCTL_RESERVED_01 0x19
|
|
#define FP_IOCTL_RESERVED_02 0x1c
|
|
#define FP_IOCTL_RESERVED_03 0xa4
|
|
#define FP_IOCTL_RESERVED_04 0xa5
|
|
#define FP_IOCTL_RESERVED_05 0xa8
|
|
#define FP_IOCTL_RESERVED_06 0x16
|
|
#define FP_IOCTL_RESERVED_07 0x17
|
|
|
|
#define SLOW_BAUD_RATE 20000000
|
|
#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];
|
|
};
|
|
|
|
#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 el7xx_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 sleepPin; /* Sleep GPIO pin number */
|
|
unsigned int ldo_pin; /* Ldo GPIO pin number */
|
|
|
|
const char *rb;
|
|
bool ldo_onoff;
|
|
|
|
int sensortype;
|
|
u32 spi_value;
|
|
u32 prev_bits_per_word;
|
|
struct device *dev;
|
|
struct device *fp_device;
|
|
bool tz_mode;
|
|
const char *chipid;
|
|
const char *model_info;
|
|
const char *btp_vdd;
|
|
const char *sensor_position;
|
|
struct regulator *regulator_3p3;
|
|
struct pinctrl *p;
|
|
struct pinctrl_state *pins_poweron;
|
|
struct pinctrl_state *pins_poweroff;
|
|
bool ldo_enabled;
|
|
struct spi_clk_setting *clk_setting;
|
|
struct boosting_config *boosting;
|
|
struct debug_logger *logger;
|
|
};
|
|
|
|
#ifndef ENABLE_SENSORS_FPRINT_SECURE
|
|
int el7xx_spi_setup_conf(struct el7xx_data *etspi, u32 bits);
|
|
int el7xx_io_read_register(struct el7xx_data *etspi, u8 *addr, u8 *buf, struct egis_ioc_transfer *ioc);
|
|
int el7xx_io_burst_read_register(struct el7xx_data *etspi, struct egis_ioc_transfer *ioc);
|
|
int el7xx_io_burst_read_register_backward(struct el7xx_data *etspi, struct egis_ioc_transfer *ioc);
|
|
int el7xx_io_write_register(struct el7xx_data *etspi, u8 *buf, struct egis_ioc_transfer *ioc);
|
|
int el7xx_io_burst_write_register(struct el7xx_data *etspi, struct egis_ioc_transfer *ioc);
|
|
int el7xx_io_burst_write_register_backward(struct el7xx_data *etspi, struct egis_ioc_transfer *ioc);
|
|
int el7xx_io_read_efuse(struct el7xx_data *etspi, struct egis_ioc_transfer *ioc);
|
|
int el7xx_io_write_efuse(struct el7xx_data *etspi, struct egis_ioc_transfer *ioc);
|
|
int el7xx_io_get_frame(struct el7xx_data *etspi, u8 *fr, u32 size);
|
|
int el7xx_io_write_frame(struct el7xx_data *etspi, u8 *fr, u32 size);
|
|
int el7xx_io_transfer_command(struct el7xx_data *etspi, u8 *tx, u8 *rx, u32 size);
|
|
int el7xx_read_register(struct el7xx_data *etspi, u8 addr, u8 *buf);
|
|
int el7xx_write_register(struct el7xx_data *etspi, u8 addr, u8 buf);
|
|
int el7xx_init_buffer(struct el7xx_data *etspi);
|
|
int el7xx_free_buffer(struct el7xx_data *etspi);
|
|
#endif
|
|
|
|
#endif
|