295 lines
7.7 KiB
C
295 lines
7.7 KiB
C
/*
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* Copyright (C) 2010 - 2018 Novatek, Inc.
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* Copyright (C) 2021 XiaoMi, Inc.
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*
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* $Revision: 69262 $
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* $Date: 2020-09-23 15:07:14 +0800 (週三, 23 九月 2020) $
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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*/
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#ifndef _LINUX_NVT_TOUCH_H
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#define _LINUX_NVT_TOUCH_H
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#include <linux/delay.h>
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#include <linux/input.h>
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#include <linux/of.h>
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#include <linux/spi/spi.h>
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#include <linux/uaccess.h>
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#ifdef CONFIG_HAS_EARLYSUSPEND
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#include <linux/earlysuspend.h>
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#endif
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#include "nt36xxx_mem_map.h"
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#ifdef CONFIG_MTK_SPI
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/* Please copy mt_spi.h file under mtk spi driver folder */
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#include "mt_spi.h"
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#endif
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#ifdef CONFIG_SPI_MT65XX
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#include <linux/platform_data/spi-mt65xx.h>
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#endif
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#define NVT_DEBUG 1
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//---GPIO number---
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#define NVTTOUCH_RST_PIN 980
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#define NVTTOUCH_INT_PIN 943
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#define NVT_LOCKDOWN_SIZE 8
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#define PINCTRL_STATE_ACTIVE "pmx_ts_active"
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#define PINCTRL_STATE_SUSPEND "pmx_ts_suspend"
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//---INT trigger mode---
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//#define IRQ_TYPE_EDGE_RISING 1
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//#define IRQ_TYPE_EDGE_FALLING 2
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#define INT_TRIGGER_TYPE IRQ_TYPE_EDGE_RISING
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//---SPI driver info.---
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#define NVT_SPI_NAME "NVT-ts"
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#if NVT_DEBUG
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#define NVT_LOG(fmt, args...) \
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pr_err("[%s] %s %d: " fmt, NVT_SPI_NAME, __func__, __LINE__, ##args)
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#else
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#define NVT_LOG(fmt, args...) \
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pr_info("[%s] %s %d: " fmt, NVT_SPI_NAME, __func__, __LINE__, ##args)
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#endif
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#define NVT_ERR(fmt, args...) \
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pr_err("[%s] %s %d: " fmt, NVT_SPI_NAME, __func__, __LINE__, ##args)
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//---Input device info.---
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#define NVT_TS_NAME "NVTCapacitiveTouchScreen"
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#define NVT_PEN_NAME "NVTCapacitivePen"
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//---Touch info.---
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#define TOUCH_DEFAULT_MAX_WIDTH 1600
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#define TOUCH_DEFAULT_MAX_HEIGHT 2560
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#define TOUCH_MAX_FINGER_NUM 10
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#define TOUCH_KEY_NUM 0
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#if TOUCH_KEY_NUM > 0
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extern const uint16_t touch_key_array[TOUCH_KEY_NUM];
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#endif
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#define TOUCH_FORCE_NUM 1000
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//---for Pen---
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#define PEN_PRESSURE_MAX (4095)
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#define PEN_DISTANCE_MAX (1)
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#define PEN_TILT_MIN (-60)
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#define PEN_TILT_MAX (60)
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/* Enable only when module have tp reset pin and connected to host */
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#define NVT_TOUCH_SUPPORT_HW_RST 0
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//---Customerized func.---
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#define NVT_TOUCH_PROC 1
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#define NVT_TOUCH_EXT_PROC 1
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#define NVT_TOUCH_MP 1
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#define NVT_TOUCH_MP_SETTING_CRITERIA_FROM_CSV 1
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#define MT_PROTOCOL_B 1
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#define WAKEUP_GESTURE 1
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#define FUNCPAGE_PALM 4
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#define PACKET_PALM_ON 3
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#define PACKET_PALM_OFF 4
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#if WAKEUP_GESTURE
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extern const uint16_t gesture_key_array[];
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#endif
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#define BOOT_UPDATE_FIRMWARE 1
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#define DEFAULT_BOOT_UPDATE_FIRMWARE_NAME "novatek_ts_fw.bin"
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#define DEFAULT_MP_UPDATE_FIRMWARE_NAME "novatek_ts_mp.bin"
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#define DEFAULT_DEBUG_FW_NAME "novatek_debug_fw.bin"
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#define DEFAULT_DEBUG_MP_NAME "novatek_debug_mp.bin"
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#define POINT_DATA_CHECKSUM 1
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#define POINT_DATA_CHECKSUM_LEN 65
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#define CHECK_PEN_DATA_CHECKSUM 0
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//---ESD Protect.---
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#define NVT_TOUCH_ESD_PROTECT 0
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#define NVT_TOUCH_ESD_CHECK_PERIOD 1500 /* ms */
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#define NVT_TOUCH_WDT_RECOVERY 1
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enum nvt_ic_state {
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NVT_IC_SUSPEND_IN,
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NVT_IC_SUSPEND_OUT,
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NVT_IC_RESUME_IN,
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NVT_IC_RESUME_OUT,
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NVT_IC_INIT,
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};
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struct nvt_config_info {
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u8 tp_vendor;
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u8 tp_color;
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u8 display_maker;
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u8 glass_vendor;
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const char *nvt_fw_name;
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const char *nvt_mp_name;
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const char *nvt_limit_name;
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};
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struct nvt_ts_data {
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struct spi_device *client;
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struct input_dev *input_dev;
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struct delayed_work nvt_fwu_work;
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struct delayed_work nvt_lockdown_work;
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struct work_struct switch_mode_work;
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struct work_struct pen_charge_state_change_work;
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bool pen_is_charge;
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struct notifier_block pen_charge_state_notifier;
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uint16_t addr;
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int8_t phys[32];
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#ifdef CONFIG_DRM
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struct notifier_block drm_notif;
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#elif defined(CONFIG_FB)
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struct notifier_block fb_notif;
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#elif defined(CONFIG_HAS_EARLYSUSPEND)
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struct early_suspend early_suspend;
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#endif
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uint32_t config_array_size;
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struct nvt_config_info *config_array;
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const u8 *fw_name;
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const u8 *mp_name;
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bool lkdown_readed;
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u8 lockdown_info[NVT_LOCKDOWN_SIZE];
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uint8_t fw_ver;
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uint8_t x_num;
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uint8_t y_num;
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int ic_state;
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uint16_t abs_x_max;
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uint16_t abs_y_max;
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uint8_t max_touch_num;
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uint8_t max_button_num;
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uint32_t int_trigger_type;
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#ifdef CONFIG_TOUCHSCREEN_XIAOMI_TOUCHFEATURE
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u32 gamemode_config[3][5];
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struct workqueue_struct *set_touchfeature_wq;
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struct work_struct set_touchfeature_work;
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#endif
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int32_t irq_gpio;
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uint32_t irq_flags;
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int32_t reset_gpio;
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uint32_t reset_flags;
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struct mutex lock;
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const struct nvt_ts_mem_map *mmap;
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uint8_t carrier_system;
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uint8_t hw_crc;
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uint16_t nvt_pid;
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uint8_t *rbuf;
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uint8_t *xbuf;
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struct mutex xbuf_lock;
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bool irq_enabled;
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uint8_t cascade;
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bool pen_support;
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bool wgp_stylus;
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uint8_t x_gang_num;
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uint8_t y_gang_num;
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struct input_dev *pen_input_dev;
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bool pen_input_dev_enable;
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int8_t pen_phys[32];
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struct workqueue_struct *event_wq;
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struct work_struct suspend_work;
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struct work_struct resume_work;
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struct attribute_group *attrs;
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int result_type;
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int panel_index;
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uint32_t spi_max_freq;
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int db_wakeup;
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#ifdef CONFIG_MTK_SPI
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struct mt_chip_conf spi_ctrl;
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#endif
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#ifdef CONFIG_SPI_MT65XX
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struct mtk_chip_config spi_ctrl;
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#endif
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#ifdef CONFIG_TOUCHSCREEN_NVT_DEBUG_FS
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struct dentry *debugfs;
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#endif
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uint8_t debug_flag;
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bool fw_debug;
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bool dev_pm_suspend;
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struct completion dev_pm_suspend_completion;
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bool palm_sensor_switch;
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int gesture_command_delayed;
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struct pinctrl *ts_pinctrl;
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struct pinctrl_state *pinctrl_state_active;
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struct pinctrl_state *pinctrl_state_suspend;
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#ifndef NVT_SAVE_TESTDATA_IN_FILE
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void *testdata;
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#endif
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bool pen_gen2_force;
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#ifdef CONFIG_TOUCHSCREEN_COMMON
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bool nvt_game_mode;
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#endif
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};
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#if NVT_TOUCH_PROC
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struct nvt_flash_data {
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rwlock_t lock;
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};
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#endif
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typedef enum {
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RESET_STATE_INIT = 0xA0, // IC reset
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RESET_STATE_REK, // ReK baseline
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RESET_STATE_REK_FINISH, // baseline is ready
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RESET_STATE_NORMAL_RUN, // normal run
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RESET_STATE_MAX = 0xAF
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} RST_COMPLETE_STATE;
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typedef enum {
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EVENT_MAP_HOST_CMD = 0x50,
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EVENT_MAP_HANDSHAKING_or_SUB_CMD_BYTE = 0x51,
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EVENT_MAP_RESET_COMPLETE = 0x60,
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EVENT_MAP_FWINFO = 0x78,
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EVENT_MAP_PROJECTID = 0x9A,
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} SPI_EVENT_MAP;
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//---SPI READ/WRITE---
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#define SPI_WRITE_MASK(a) (a | 0x80)
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#define SPI_READ_MASK(a) (a & 0x7F)
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#define DUMMY_BYTES (1)
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#define NVT_TRANSFER_LEN (63 * 1024)
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#define NVT_READ_LEN (2 * 1024)
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typedef enum { NVTWRITE = 0, NVTREAD = 1 } NVT_SPI_RW;
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//---extern structures---
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extern struct nvt_ts_data *ts;
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//---extern functions---
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int32_t CTP_SPI_READ(struct spi_device *client, uint8_t *buf, uint16_t len);
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int32_t CTP_SPI_WRITE(struct spi_device *client, uint8_t *buf, uint16_t len);
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void nvt_bootloader_reset(void);
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void nvt_eng_reset(void);
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void nvt_sw_reset(void);
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void nvt_sw_reset_idle(void);
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void nvt_boot_ready(void);
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void nvt_bld_crc_enable(void);
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void nvt_fw_crc_enable(void);
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void nvt_tx_auto_copy_mode(void);
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void nvt_set_dbgfw_status(bool enable);
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void nvt_match_fw(void);
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int32_t nvt_update_firmware(const char *firmware_name);
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int32_t nvt_check_fw_reset_state(RST_COMPLETE_STATE check_reset_state);
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int32_t nvt_get_fw_info(void);
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int32_t nvt_clear_fw_status(void);
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int32_t nvt_check_fw_status(void);
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int32_t nvt_check_spi_dma_tx_info(void);
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int32_t nvt_set_page(uint32_t addr);
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int32_t nvt_write_addr(uint32_t addr, uint8_t data);
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bool nvt_get_dbgfw_status(void);
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int32_t nvt_set_pocket_palm_switch(uint8_t pocket_palm_switch);
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#if NVT_TOUCH_ESD_PROTECT
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extern void nvt_esd_check_enable(uint8_t enable);
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#endif /* #if NVT_TOUCH_ESD_PROTECT */
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#endif /* _LINUX_NVT_TOUCH_H */
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