| /* |
| * 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 _ET5XX_LINUX_DIRVER_H_ |
| #define _ET5XX_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> |
| |
| #include <linux/platform_data/spi-s3c64xx.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> |
| #if defined(CONFIG_SECURE_OS_BOOSTER_API) |
| #if defined(CONFIG_SOC_EXYNOS8890) || defined(CONFIG_SOC_EXYNOS7870) \ |
| || defined(CONFIG_SOC_EXYNOS7880) || defined(CONFIG_SOC_EXYNOS7570) \ |
| || defined(CONFIG_SOC_EXYNOS7885) || defined(CONFIG_SOC_EXYNOS9810) |
| #include <soc/samsung/secos_booster.h> |
| #else |
| #include <mach/secos_booster.h> |
| #endif |
| #elif defined(CONFIG_TZDEV_BOOST) |
| #include <../drivers/misc/tzdev/tz_boost.h> |
| #endif |
| |
| struct sec_spi_info { |
| int port; |
| unsigned long speed; |
| }; |
| #endif |
| |
| /* |
| * This feature is temporary for exynos AP only. |
| * It's for control GPIO config on enabled TZ before enable GPIO protection. |
| * If it's still defined this feature after enable GPIO protection, |
| * it will be happened kernel panic |
| * So it should be un-defined after enable GPIO protection |
| */ |
| #undef DISABLED_GPIO_PROTECTION |
| /*#define ET5XX_SPI_DEBUG*/ |
| |
| #ifdef ET5XX_SPI_DEBUG |
| #define DEBUG_PRINT(fmt, args...) pr_err(fmt, ## args) |
| #else |
| #define DEBUG_PRINT(fmt, args...) |
| #endif |
| |
| #define VENDOR "EGISTEC" |
| #define CHIP_ID "ET5XX" |
| |
| /* assigned */ |
| #define ET5XX_MAJOR 152 |
| /* ... up to 256 */ |
| #define N_SPI_MINORS 32 |
| |
| #define OP_REG_R 0x20 |
| #define OP_REG_R_C 0x22 |
| #define OP_REG_R_C_BW 0x23 |
| #define OP_REG_W 0x24 |
| #define OP_REG_W_C 0x26 |
| #define OP_REG_W_C_BW 0x27 |
| #define OP_NVM_ON_R 0x40 |
| #define OP_NVM_ON_W 0x42 |
| #define OP_NVM_RE 0x44 |
| #define OP_NVM_WE 0x46 |
| #define OP_NVM_OFF 0x48 |
| #define OP_IMG_R 0x50 |
| #define OP_VDM_R 0x60 |
| #define OP_VDM_W 0x62 |
| #define BITS_PER_WORD 8 |
| |
| #define SLOW_BAUD_RATE 12500000 |
| |
| #define DRDY_IRQ_ENABLE 1 |
| #define DRDY_IRQ_DISABLE 0 |
| |
| #define ET5XX_INT_DETECTION_PERIOD 10 |
| #define ET5XX_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 |
| #define FP_REGISTER_BREAD 0x20 |
| #define FP_REGISTER_BWRITE 0x21 |
| #define FP_REGISTER_MREAD 0x22 |
| #define FP_REGISTER_MWRITE 0x23 |
| #define FP_REGISTER_BREAD_BACKWARD 0x24 |
| #define FP_REGISTER_BWRITE_BACKWARD 0x25 |
| #define FP_VDM_READ 0x30 |
| #define FP_VDM_WRITE 0x31 |
| #define FP_NVM_READ 0X40 |
| #define FP_NVM_WRITE 0x41 |
| #define FP_NVM_OFF 0x42 |
| #define FP_NVM_WRITEEX 0x43 |
| |
| #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_POWER_CONTROL_ET5XX 0x18 |
| #define FP_SENSOR_ORIENT 0x19 |
| #define FP_SPI_VALUE 0x1a |
| #define FP_IOCTL_RESERVED_01 0x1b |
| #define FP_IOCTL_RESERVED_02 0x1c |
| |
| |
| |
| /* 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_ET5XX_ADDR 0x00 |
| #define FSTATUS_ET5XX_ADDR 0x01 |
| /* Detect Define */ |
| #define FRAME_READY_MASK 0x01 |
| |
| #define SHIFT_BYTE_OF_IMAGE 0 |
| #define DIVISION_OF_IMAGE 4 |
| #define LARGE_SPI_TRANSFER_BUFFER 64 |
| #define MAX_NVM_LEN (32 * 2) /* NVM length in bytes (32 * 16 bits internally) */ |
| #define NVM_WRITE_LENGTH 4096 |
| #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 */ |
| #ifndef ENABLE_SENSORS_FPRINT_SECURE |
| #ifdef CONFIG_SOC_EXYNOS8890 |
| /* set cs pin in fp driver, use only Exynos8890 */ |
| /* for use auto cs mode with dualization fp sensor */ |
| unsigned int cs_gpio; |
| #endif |
| #endif |
| struct pinctrl *p; |
| struct pinctrl_state *pins_poweron; |
| struct pinctrl_state *pins_poweroff; |
| |
| 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; |
| u32 spi_value; |
| struct device *fp_device; |
| #ifdef ENABLE_SENSORS_FPRINT_SECURE |
| bool enabled_clk; |
| #ifdef FEATURE_SPI_WAKELOCK |
| struct wake_lock fp_spi_lock; |
| #endif |
| #endif |
| unsigned int orient; |
| struct wake_lock fp_signal_lock; |
| bool tz_mode; |
| int detect_period; |
| int detect_threshold; |
| bool finger_on; |
| const char *chipid; |
| bool ldo_enabled; |
| int reset_count; |
| int interrupt_count; |
| }; |
| |
| 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_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_register(struct etspi_data *etspi, |
| u8 *addr, u8 *buf); |
| int etspi_io_read_registerex(struct etspi_data *etspi, |
| u8 *addr, u8 *buf, u32 len); |
| int etspi_io_write_register(struct etspi_data *etspi, |
| u8 *buf); |
| 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_io_nvm_read(struct etspi_data *etspi, |
| struct egis_ioc_transfer *ioc); |
| int etspi_io_nvm_write(struct etspi_data *etspi, |
| struct egis_ioc_transfer *ioc); |
| int etspi_io_nvm_writeex(struct etspi_data *etspi, |
| struct egis_ioc_transfer *ioc); |
| int etspi_io_nvm_off(struct etspi_data *etspi, |
| struct egis_ioc_transfer *ioc); |
| int etspi_io_vdm_read(struct etspi_data *etspi, |
| struct egis_ioc_transfer *ioc); |
| int etspi_io_vdm_write(struct etspi_data *etspi, |
| struct egis_ioc_transfer *ioc); |
| int etspi_io_get_frame(struct etspi_data *etspi, u8 *frame, u32 size); |
| |
| 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 |