--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-only
+/* drivers/input/touchscreen/gt9xx.c
+ *
+ * 2010 - 2013 Goodix Technology.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be a reference
+ * to you, when you are integrating the GOODiX's CTP IC into your system,
+ * 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.
+ *
+ * Version: 2.2
+ * Authors: andrew@goodix.com, meta@goodix.com
+ * Release Date: 2014/01/14
+ * Revision record:
+ * V1.0:
+ * first Release. By Andrew, 2012/08/31
+ * V1.2:
+ * modify gtp_reset_guitar,slot report,tracking_id & 0x0F. By Andrew, 2012/10/15
+ * V1.4:
+ * modify gt9xx_update.c. By Andrew, 2012/12/12
+ * V1.6:
+ * 1. new heartbeat/esd_protect mechanism(add external watchdog)
+ * 2. doze mode, sliding wakeup
+ * 3. 3 more cfg_group(GT9 Sensor_ID: 0~5)
+ * 3. config length verification
+ * 4. names & comments
+ * By Meta, 2013/03/11
+ * V1.8:
+ * 1. pen/stylus identification
+ * 2. read double check & fixed config support
+ * 3. new esd & slide wakeup optimization
+ * By Meta, 2013/06/08
+ * V2.0:
+ * 1. compatible with GT9XXF
+ * 2. send config after resume
+ * By Meta, 2013/08/06
+ * V2.2:
+ * 1. gt9xx_config for debug
+ * 2. gesture wakeup
+ * 3. pen separate input device, active-pen button support
+ * 4. coordinates & keys optimization
+ * By Meta, 2014/01/14
+ */
+
+#include <linux/kernel.h>
+#include <linux/i2c.h>
+#include <linux/input.h>
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/i2c.h>
+#include <linux/string.h>
+#include <linux/uaccess.h>
+#include <linux/vmalloc.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/of_gpio.h>
+#include <linux/gpio.h>
+#include <linux/slab.h>
+#include <linux/irq.h>
+#include <linux/regulator/consumer.h>
+#include <linux/input/mt.h>
+
+#define CONFIG_8_9 0
+
+/***************************PART1:ON/OFF define*******************************/
+#if CONFIG_8_9
+#define GTP_CHANGE_X2Y 1
+#define GTP_X_REVERSE_ENABLE 0
+#define GTP_Y_REVERSE_ENABLE 1
+#else
+#define GTP_CHANGE_X2Y 1
+#define GTP_X_REVERSE_ENABLE 1
+#define GTP_Y_REVERSE_ENABLE 0
+#endif
+#define GTP_DRIVER_SEND_CFG 1
+#define GTP_HAVE_TOUCH_KEY 0
+#define GTP_POWER_CTRL_SLEEP 0
+
+#define GTP_ESD_PROTECT 0 // esd protection with a cycle of 2 seconds
+
+#define GTP_WITH_PEN 0
+#define GTP_PEN_HAVE_BUTTON 0 // active pen has buttons, function together with GTP_WITH_PEN
+
+#define GTP_GESTURE_WAKEUP 0 // gesture wakeup
+
+#define GTP_DEBUG_ON 1
+
+struct goodix_ts_data {
+ spinlock_t irq_lock;
+ struct i2c_client *client;
+ struct input_dev *input_dev;
+ struct work_struct work;
+ s32 irq_is_disable;
+ u16 abs_x_max;
+ u16 abs_y_max;
+ u8 max_touch_num;
+ u8 int_trigger_type;
+ u8 gtp_is_suspend;
+ u8 gtp_cfg_len;
+ u8 fixed_cfg;
+ u8 pnl_init_error;
+ u8 cfg_file_num;
+
+ int irq;
+ int irq_pin;
+ int pwr_pin;
+ int rst_pin;
+ unsigned long irq_flags;
+
+#if GTP_WITH_PEN
+ struct input_dev *pen_dev;
+#endif
+
+#if GTP_ESD_PROTECT
+ spinlock_t esd_lock;
+ u8 esd_running;
+ s32 clk_tick_cnt;
+#endif
+
+ struct regulator *tp_regulator;
+};
+
+/*************************** PART2:TODO define **********************************/
+// STEP_1(REQUIRED): Define Configuration Information Group(s)
+// Sensor_ID Map:
+/* sensor_opt1 sensor_opt2 Sensor_ID
+ * GND GND 0
+ * VDDIO GND 1
+ * NC GND 2
+ * GND NC/300K 3
+ * VDDIO NC/300K 4
+ * NC NC/300K 5
+ **/
+
+// TODO: define your config for Sensor_ID == 1 here, if needed
+#define CTP_CFG_GROUP2 {\
+ }
+
+// TODO: define your config for Sensor_ID == 2 here, if needed
+#define CTP_CFG_GROUP3 {\
+ }
+
+// TODO: define your config for Sensor_ID == 3 here, if needed
+#define CTP_CFG_GROUP4 {\
+ }
+// TODO: define your config for Sensor_ID == 4 here, if needed
+#define CTP_CFG_GROUP5 {\
+ }
+
+// TODO: define your config for Sensor_ID == 5 here, if needed
+#define CTP_CFG_GROUP6 {\
+ }
+
+// STEP_2(REQUIRED): Customize your I/O ports & I/O operations
+#define GTP_GPIO_OUTPUT(pin, level) gpio_direction_output(pin, level)
+#define GTP_GPIO_REQUEST(pin, label) gpio_request(pin, label)
+#define GTP_GPIO_FREE(pin) gpio_free(pin)
+
+// STEP_3(optional): Specify your special config info if needed
+#define GTP_MAX_HEIGHT 4096
+#define GTP_MAX_WIDTH 4096
+#define GTP_INT_TRIGGER 1 /* 0:Rising, 1:Falling */
+#define GTP_MAX_TOUCH 10
+
+// STEP_4(optional): If keys are available and reported as keys, config your key info here
+#if GTP_HAVE_TOUCH_KEY
+ #define GTP_KEY_TAB {KEY_MENU, KEY_HOME, KEY_BACK}
+#endif
+
+/***************************PART3:OTHER define*********************************/
+#define GTP_DRIVER_VERSION "V2.2<2014/01/14>"
+#define GTP_I2C_NAME "Goodix-TS"
+#define GTP_ADDR_LENGTH 2
+#define GTP_CONFIG_MIN_LENGTH 186
+#define GTP_CONFIG_MAX_LENGTH 240
+#define FAIL 0
+#define SUCCESS 1
+#define SWITCH_OFF 0
+#define SWITCH_ON 1
+
+// Registers define
+#define GTP_REG_CHIP_TYPE 0x8000
+#define GTP_READ_COOR_ADDR 0x814E
+#define GTP_REG_SLEEP 0x8040
+#define GTP_REG_SENSOR_ID 0x814A
+#define GTP_REG_CONFIG_DATA 0x8047
+#define GTP_REG_VERSION 0x8140
+
+#define RESOLUTION_LOC 3
+#define TRIGGER_LOC 8
+
+#define CFG_GROUP_LEN(p_cfg_grp) ARRAY_SIZE(p_cfg_grp)
+
+#define GTP_SWAP(x, y) \
+ do {\
+ typeof(x) z = x;\
+ x = y;\
+ y = z;\
+ } while (0)
+
+/* CFG for GT911 */
+u8 gtp_dat_gt11[] = {
+ /* <1200, 1920> WGJ89006B_GT911_Config */
+ 0x43, 0x00, 0x10, 0x00, 0x10, 0x0A, 0x3D, 0x20, 0x01, 0x08,
+ 0x28, 0x08, 0x50, 0x32, 0x03, 0x05, 0x00, 0x00, 0x00, 0x00,
+ 0x11, 0x00, 0x00, 0x18, 0x1A, 0x20, 0x14, 0x8C, 0x2E, 0x0E,
+ 0x3C, 0x3E, 0x0C, 0x08, 0x00, 0x00, 0x00, 0x41, 0x03, 0x1D,
+ 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x33, 0x5A, 0x94, 0xC5, 0x02, 0x08, 0x00, 0x00, 0x04,
+ 0xA0, 0x36, 0x00, 0x8B, 0x3C, 0x00, 0x7C, 0x43, 0x00, 0x6B,
+ 0x4C, 0x00, 0x5F, 0x55, 0x00, 0x5F, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x02, 0x04, 0x06, 0x08, 0x0A, 0x0C, 0x0E, 0x10,
+ 0x12, 0x14, 0x16, 0x18, 0x1A, 0x1C, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x02, 0x04, 0x06, 0x08, 0x0A, 0x0C, 0x0F,
+ 0x10, 0x12, 0x13, 0x14, 0x16, 0x18, 0x1C, 0x1D, 0x1E, 0x1F,
+ 0x2A, 0x29, 0x28, 0x26, 0x24, 0x22, 0x21, 0x20, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x0A, 0x01
+};
+
+u8 gtp_dat_gt9110[] = {
+ /* <1200, 1920> GT9110P(2020)V71_Config */
+ 0x47, 0x80, 0x07, 0xB0, 0x04, 0x0A, 0x7C, 0x00, 0x01, 0x08,
+ 0x28, 0x05, 0x5A, 0x3C, 0x03, 0x04, 0x00, 0x00, 0x08, 0x00,
+ 0x00, 0x00, 0x00, 0x17, 0x19, 0x1D, 0x14, 0x95, 0x35, 0xFF,
+ 0x3C, 0x3E, 0x0C, 0x08, 0x00, 0x00, 0x00, 0xBA, 0x02, 0x2C,
+ 0x17, 0x19, 0x1B, 0x90, 0x83, 0x32, 0x50, 0x3C, 0x28, 0x4A,
+ 0x30, 0x32, 0x96, 0x94, 0xC5, 0x02, 0x07, 0x00, 0x00, 0x04,
+ 0x83, 0x38, 0x00, 0x79, 0x45, 0x00, 0x71, 0x57, 0x00, 0x6B,
+ 0x6C, 0x00, 0x68, 0x87, 0x00, 0x68, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x33, 0x03,
+ 0x00, 0x48, 0x21, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+ 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x11,
+ 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B,
+ 0x1C, 0x1D, 0x2A, 0x29, 0x28, 0x27, 0x26, 0x25, 0x24, 0x23,
+ 0x22, 0x21, 0x20, 0x1F, 0x1E, 0x1D, 0x1C, 0x1B, 0x19, 0x18,
+ 0x17, 0x16, 0x15, 0x14, 0x13, 0x12, 0x11, 0x10, 0x0F, 0x0E,
+ 0x0D, 0x0C, 0x0B, 0x0A, 0x09, 0x08, 0x07, 0x06, 0x05, 0x04,
+ 0x03, 0x02, 0x01, 0x00, 0x53, 0x01
+};
+
+u8 gtp_dat_gt9111[] = {
+ /* HLS-0102-1398V1-1060-GT911_Config */
+ 0x42, 0x00, 0x03, 0x00, 0x04, 0x0A, 0x45, 0x03, 0x22, 0x1F,
+ 0x28, 0x0F, 0x64, 0x3C, 0x03, 0x0F, 0x00, 0x00, 0x00, 0x00,
+ 0x11, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x8B, 0x29, 0x0E,
+ 0x71, 0x6F, 0xB2, 0x04, 0x00, 0x00, 0x00, 0x39, 0x02, 0x10,
+ 0x00, 0x21, 0x00, 0x00, 0x00, 0x03, 0x64, 0x32, 0x00, 0x00,
+ 0x00, 0x3C, 0x78, 0x94, 0xD5, 0x02, 0x07, 0x00, 0x00, 0x04,
+ 0xC8, 0x40, 0x00, 0xB1, 0x4A, 0x00, 0x9E, 0x55, 0x00, 0x8E,
+ 0x61, 0x00, 0x7F, 0x70, 0x00, 0x7F, 0x70, 0x00, 0x00, 0x00,
+ 0xF0, 0x90, 0x3C, 0xFF, 0xFF, 0x07, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x1C, 0x1A, 0x18, 0x16, 0x14, 0x12, 0x10, 0x0E,
+ 0x0C, 0x0A, 0x08, 0x06, 0x04, 0x02, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0x00, 0x02, 0x04, 0x06, 0x08, 0x0A, 0x0C, 0x0F,
+ 0x10, 0x12, 0x13, 0x16, 0x18, 0x1C, 0x1D, 0x1E, 0x1F, 0x20,
+ 0x21, 0x22, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xF6, 0x01
+};
+
+u8 gtp_dat_gt9112[] = {
+ /* <800, 1280> CJ080258_GT911_Config */
+ 0x62, 0x20, 0x03, 0x00, 0x05, 0x0A, 0x05, 0x00, 0x01, 0x08,
+ 0x28, 0x05, 0x50, 0x32, 0x03, 0x05, 0x00, 0x00, 0x00, 0x00,
+ 0x55, 0x55, 0x00, 0x00, 0x00, 0x00, 0x00, 0x8C, 0x2A, 0x0E,
+ 0x17, 0x15, 0x31, 0x0D, 0x00, 0x00, 0x01, 0x9A, 0x04, 0x1D,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x64, 0x32, 0x00, 0x00,
+ 0x00, 0x0F, 0x36, 0x94, 0xC5, 0x02, 0x07, 0x00, 0x00, 0x04,
+ 0x9B, 0x11, 0x00, 0x7B, 0x16, 0x00, 0x64, 0x1C, 0x00, 0x4F,
+ 0x25, 0x00, 0x41, 0x2F, 0x00, 0x41, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x1C, 0x1A, 0x18, 0x16, 0x14, 0x12, 0x10, 0x0E,
+ 0x0C, 0x0A, 0x08, 0x06, 0x04, 0x02, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x24, 0x22, 0x21, 0x20, 0x1F, 0x1E, 0x1D, 0x1C,
+ 0x18, 0x16, 0x14, 0x13, 0x12, 0x10, 0x0F, 0x0C, 0x0A, 0x08,
+ 0x06, 0x04, 0x02, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x72, 0x01
+};
+
+u8 gtp_dat_8_9[] = {
+ /* <1920, 1200> 8.9 WGJ10162B_GT9271_1060_Config */
+ 0x42, 0x80, 0x07, 0xB0, 0x04, 0x0A, 0x35, 0x00, 0x02, 0x0F,
+ 0x28, 0x0F, 0x5A, 0x3C, 0x03, 0x05, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x17, 0x19, 0x1D, 0x14, 0x8F, 0x2F, 0xAA,
+ 0x37, 0x39, 0xD9, 0x0B, 0x00, 0x00, 0x00, 0x83, 0x02, 0x1D,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x2A, 0x46, 0x94, 0xC5, 0x02, 0x07, 0x00, 0x00, 0x04,
+ 0x95, 0x2C, 0x00, 0x8A, 0x31, 0x00, 0x81, 0x36, 0x00, 0x79,
+ 0x3C, 0x00, 0x72, 0x42, 0x00, 0x72, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x19, 0x18, 0x17, 0x16, 0x15, 0x14, 0x11, 0x10,
+ 0x0F, 0x0E, 0x0D, 0x0C, 0x09, 0x08, 0x07, 0x06, 0x05, 0x04,
+ 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x02, 0x04, 0x06, 0x07, 0x08, 0x0A, 0x0C,
+ 0x0D, 0x0F, 0x10, 0x11, 0x12, 0x13, 0x14, 0x19, 0x1B, 0x1C,
+ 0x1E, 0x1F, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
+ 0x28, 0x29, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x16, 0x01
+};
+
+u8 gtp_dat_8_9_1[] = {
+ /* GT9271_Config */
+ 0x00, 0x80, 0x07, 0xB0, 0x04, 0x0A, 0x3C, 0x00, 0x01, 0x0A,
+ 0x28, 0x1F, 0x55, 0x32, 0x03, 0x05, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x18, 0x1A, 0x1E, 0x14, 0x90, 0x2F, 0xAA,
+ 0x1E, 0x20, 0x31, 0x0D, 0x00, 0x00, 0x00, 0x22, 0x03, 0x1D,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x14, 0x2D, 0x94, 0xD5, 0x02, 0x08, 0x00, 0x00, 0x04,
+ 0x9A, 0x15, 0x00, 0x8C, 0x19, 0x00, 0x80, 0x1E, 0x00, 0x77,
+ 0x23, 0x00, 0x70, 0x29, 0x00, 0x70, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x01, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09,
+ 0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x14, 0x15, 0x16, 0x17,
+ 0x18, 0x19, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x29, 0x28, 0x27, 0x26, 0x25, 0x24, 0x23, 0x22,
+ 0x21, 0x20, 0x1F, 0x1E, 0x1C, 0x1B, 0x19, 0x14, 0x13, 0x12,
+ 0x11, 0x10, 0x0F, 0x0E, 0x0D, 0x0C, 0x0A, 0x08, 0x07, 0x06,
+ 0x04, 0x02, 0x00, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x12, 0x01
+};
+
+u8 gtp_dat_9_7[] = {
+ /* <1536, 2048> 9.7 GT9110P_Config */
+ 0x00, 0x00, 0x06, 0x00, 0x08, 0x0A, 0x35, 0x00, 0x01, 0xC8,
+ 0x28, 0x08, 0x5A, 0x3C, 0x03, 0x05, 0x00, 0x00, 0xFF, 0x7F,
+ 0x00, 0x00, 0x04, 0x18, 0x1A, 0x1E, 0x14, 0x8F, 0x2F, 0xAA,
+ 0x2A, 0x2C, 0x1E, 0x14, 0x00, 0x00, 0x00, 0x21, 0x33, 0x2D,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x29, 0x19, 0x32, 0x94, 0xC5, 0x02, 0x08, 0x00, 0x00, 0x04,
+ 0x99, 0x1A, 0x00, 0x90, 0x1E, 0x00, 0x87, 0x23, 0x00, 0x81,
+ 0x28, 0x00, 0x7D, 0x2E, 0x00, 0x7D, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x66, 0x0F,
+ 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x19,
+ 0x46, 0x32, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x13, 0x12, 0x11, 0x10, 0x0F, 0x0E, 0x0D, 0x0C,
+ 0x0B, 0x0A, 0x09, 0x08, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02,
+ 0x01, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0x26, 0x25, 0x24, 0x23, 0x22, 0x21, 0x20, 0x1F,
+ 0x1E, 0x1D, 0x19, 0x18, 0x17, 0x16, 0x15, 0x12, 0x11, 0x10,
+ 0x0F, 0x0E, 0x09, 0x08, 0x07, 0x00, 0x01, 0x02, 0x03, 0x04,
+ 0x05, 0x06, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0x10, 0x01
+};
+
+u8 gtp_dat_10_1[] = {
+ /* <1200, 1920> 10.1 WGJ10187_GT9271_Config */
+ 0x41, 0xB0, 0x04, 0x80, 0x07, 0x0A, 0xF5, 0x00, 0x01, 0x08,
+ 0x28, 0x0F, 0x64, 0x32, 0x03, 0x05, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x16, 0x19, 0x1E, 0x14, 0x8F, 0x2F, 0x99,
+ 0x41, 0x43, 0x15, 0x0E, 0x00, 0x00, 0x00, 0x22, 0x03, 0x1D,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06,
+ 0x00, 0x2D, 0x62, 0x94, 0xC5, 0x02, 0x07, 0x17, 0x00, 0x04,
+ 0x92, 0x30, 0x00, 0x86, 0x39, 0x00, 0x7F, 0x42, 0x00, 0x79,
+ 0x4D, 0x00, 0x74, 0x5A, 0x00, 0x74, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x17, 0x16, 0x15, 0x14, 0x11, 0x10, 0x0F, 0x0E,
+ 0x0D, 0x0C, 0x09, 0x08, 0x07, 0x06, 0x05, 0x04, 0x01, 0x00,
+ 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x02, 0x04, 0x06, 0x07, 0x08, 0x0A, 0x0C,
+ 0x0D, 0x0F, 0x10, 0x11, 0x12, 0x13, 0x14, 0x29, 0x28, 0x27,
+ 0x26, 0x25, 0x24, 0x23, 0x22, 0x21, 0x20, 0x1F, 0x1E, 0x1C,
+ 0x1B, 0x19, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x38, 0x01
+};
+
+u8 gtp_dat_7[] = {
+ /* <1024, 600> 7.0 WGJ10187_GT910_Config */
+ 0x00, 0x00, 0x04, 0x58, 0x02, 0x05, 0x34, 0x20, 0x01, 0x1F,
+ 0x14, 0x0F, 0x5A, 0x46, 0x03, 0x05, 0x00, 0x00, 0x00, 0x00,
+ 0x01, 0x00, 0x00, 0x17, 0x19, 0x1B, 0x14, 0x89, 0x08, 0x0A,
+ 0x3A, 0x00, 0x0F, 0x0A, 0x00, 0x00, 0x00, 0x1B, 0x02, 0x25,
+ 0x3C, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x2A, 0x4E, 0x94, 0xC5, 0x02, 0x08, 0x00, 0x00, 0x04,
+ 0x92, 0x2C, 0x00, 0x88, 0x32, 0x00, 0x80, 0x39, 0x00, 0x7B,
+ 0x40, 0x00, 0x76, 0x49, 0x00, 0x76, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x08, 0x0A, 0x0C, 0x0E, 0x10, 0x12, 0x14, 0x16,
+ 0x18, 0x1A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x29, 0x28, 0x24, 0x22, 0x20, 0x1F, 0x1E, 0x1D,
+ 0x0E, 0x0C, 0x0A, 0x08, 0x06, 0x05, 0x04, 0x02, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x99, 0x01
+};
+
+static u8 m89or101 = TRUE;
+static u8 bgt911 = FALSE;
+static u8 bgt9110 = FALSE;
+static u8 bgt9111 = FALSE;
+static u8 bgt9112 = FALSE;
+static u8 bgt970 = FALSE;
+static u8 bgt910 = FALSE;
+static u8 gtp_change_x2y = TRUE;
+static u8 gtp_x_reverse = FALSE;
+static u8 gtp_y_reverse = TRUE;
+
+static const char *goodix_ts_name = "goodix-ts";
+static struct workqueue_struct *goodix_wq;
+struct i2c_client *i2c_connect_client;
+u8 config[GTP_CONFIG_MAX_LENGTH + GTP_ADDR_LENGTH]
+ = {GTP_REG_CONFIG_DATA >> 8, GTP_REG_CONFIG_DATA & 0xff};
+
+#if GTP_HAVE_TOUCH_KEY
+static const u16 touch_key_array[] = GTP_KEY_TAB;
+#define GTP_MAX_KEY_NUM ARRAY_SIZE(touch_key_array)
+
+#if GTP_DEBUG_ON
+static const int key_codes[] = {KEY_HOME, KEY_BACK, KEY_MENU, KEY_SEARCH};
+static const char * const key_names[] = {"Key_Home", "Key_Back", "Key_Menu", "Key_Search"};
+#endif
+
+#endif
+
+void gtp_reset_guitar(struct i2c_client *client, s32 ms);
+s32 gtp_send_cfg(struct i2c_client *client);
+void gtp_int_sync(s32 ms, struct goodix_ts_data *ts);
+
+#if GTP_ESD_PROTECT
+static struct delayed_work gtp_esd_check_work;
+static struct workqueue_struct *gtp_esd_check_workqueue;
+static void gtp_esd_check_func(struct work_struct *work);
+static s32 gtp_init_ext_watchdog(struct i2c_client *client);
+void gtp_esd_switch(struct i2c_client *client, s32 on);
+#endif
+
+#if GTP_GESTURE_WAKEUP
+typedef enum {
+ DOZE_DISABLED = 0,
+ DOZE_ENABLED = 1,
+ DOZE_WAKEUP = 2,
+} DOZE_T;
+static DOZE_T doze_status = DOZE_DISABLED;
+static s8 gtp_enter_doze(struct goodix_ts_data *ts);
+#endif
+
+u8 grp_cfg_version;
+
+/*******************************************************
+ *Function:
+ * Read data from the i2c slave device.
+ *Input:
+ * client: i2c device.
+ * buf[0~1]: read start address.
+ * buf[2~len-1]: read data buffer.
+ * len: GTP_ADDR_LENGTH + read bytes count
+ *Output:
+ * numbers of i2c_msgs to transfer:
+ * 2: succeed, otherwise: failed
+ **********************************************************/
+s32 gtp_i2c_read(struct i2c_client *client, u8 *buf, s32 len)
+{
+ struct i2c_msg msgs[2];
+ s32 ret = -1;
+ s32 retries = 0;
+
+ msgs[0].flags = !I2C_M_RD;
+ msgs[0].addr = client->addr;
+ msgs[0].len = GTP_ADDR_LENGTH;
+ msgs[0].buf = &buf[0];
+ msgs[1].flags = I2C_M_RD;
+ msgs[1].addr = client->addr;
+ msgs[1].len = len - GTP_ADDR_LENGTH;
+ msgs[1].buf = &buf[GTP_ADDR_LENGTH];
+
+ while (retries < 5) {
+ ret = i2c_transfer(client->adapter, msgs, 2);
+ if (ret == 2)
+ break;
+ retries++;
+ }
+ if (retries >= 5) {
+ #if GTP_GESTURE_WAKEUP
+ // reset chip would quit doze mode
+ if (doze_status == DOZE_ENABLED)
+ return ret;
+ #endif
+ dev_err(&client->dev, "I2C Read: 0x%04X, %d bytes failed, errcode: %d! Process reset.", (((u16)(buf[0] << 8)) | buf[1]), len-2, ret);
+ gtp_reset_guitar(client, 10);
+ }
+ return ret;
+}
+
+/*******************************************************
+ *Function:
+ * Write data to the i2c slave device.
+ *Input:
+ * client: i2c device.
+ * buf[0~1]: write start address.
+ * buf[2~len-1]: data buffer
+ * len: GTP_ADDR_LENGTH + write bytes count
+ *Output:
+ * numbers of i2c_msgs to transfer:
+ * 1: succeed, otherwise: failed
+ **********************************************************/
+s32 gtp_i2c_write(struct i2c_client *client, u8 *buf, s32 len)
+{
+ struct i2c_msg msg;
+ s32 ret = -1;
+ s32 retries = 0;
+
+ msg.flags = !I2C_M_RD;
+ msg.addr = client->addr;
+ msg.len = len;
+ msg.buf = buf;
+
+ while (retries < 5) {
+ ret = i2c_transfer(client->adapter, &msg, 1);
+ if (ret == 1)
+ break;
+ retries++;
+ }
+
+ if (retries >= 5) {
+ #if GTP_GESTURE_WAKEUP
+ if (doze_status == DOZE_ENABLED)
+ return ret;
+ #endif
+ dev_err(&client->dev, "I2C Write: 0x%04X, %d bytes failed, errcode: %d! Process reset.", (((u16)(buf[0] << 8)) | buf[1]), len-2, ret);
+ gtp_reset_guitar(client, 10);
+ }
+ return ret;
+}
+
+/*******************************************************
+ *Function:
+ * i2c read twice, compare the results
+ *Input:
+ * client: i2c device
+ * addr: operate address
+ * rxbuf: read data to store, if compare successful
+ * len: bytes to read
+ *Output:
+ * 0: succeed, otherwise: failed
+ **********************************************************/
+s32 gtp_i2c_read_dbl_check(struct i2c_client *client, u16 addr, u8 *rxbuf, int len)
+{
+ u8 buf[16] = {0};
+ u8 confirm_buf[16] = {0};
+
+ memset(buf, 0xAA, 16);
+ buf[0] = (u8)(addr >> 8);
+ buf[1] = (u8)(addr & 0xFF);
+ gtp_i2c_read(client, buf, len + 2);
+
+ memset(confirm_buf, 0xAB, 16);
+ confirm_buf[0] = (u8)(addr >> 8);
+ confirm_buf[1] = (u8)(addr & 0xFF);
+ gtp_i2c_read(client, confirm_buf, len + 2);
+
+ if (!memcmp(buf, confirm_buf, len + 2)) {
+ memcpy(rxbuf, confirm_buf + 2, len);
+ return 0;
+ }
+
+ return -EINVAL;
+}
+
+/*******************************************************
+ *Function:
+ * Send config.
+ *Input:
+ * client: i2c device.
+ *Output:
+ * result of i2c write operation.
+ * 1: succeed, otherwise: failed
+ **********************************************************/
+
+s32 gtp_send_cfg(struct i2c_client *client)
+{
+ s32 ret = 2;
+
+#if GTP_DRIVER_SEND_CFG
+ s32 retry = 0;
+ struct goodix_ts_data *ts = i2c_get_clientdata(client);
+
+ if (ts->fixed_cfg) {
+ dev_info(&client->dev, "Ic fixed config, no config sent!");
+ return 0;
+ } else if (ts->pnl_init_error) {
+ dev_info(&client->dev, "Error occured in init_panel, no config sent");
+ return 0;
+ }
+
+ for (retry = 0; retry < 5; retry++) {
+ ret = gtp_i2c_write(client, config, GTP_CONFIG_MAX_LENGTH + GTP_ADDR_LENGTH);
+ if (ret > 0)
+ break;
+ }
+#endif
+ return ret;
+}
+/*******************************************************
+ *Function:
+ * Disable irq function
+ *Input:
+ * ts: goodix i2c_client private data
+ *Output:
+ * None.
+ **********************************************************/
+void gtp_irq_disable(struct goodix_ts_data *ts)
+{
+ unsigned long irqflags;
+
+ spin_lock_irqsave(&ts->irq_lock, irqflags);
+ if (!ts->irq_is_disable) {
+ ts->irq_is_disable = 1;
+ disable_irq_nosync(ts->client->irq);
+ }
+ spin_unlock_irqrestore(&ts->irq_lock, irqflags);
+}
+
+/*******************************************************
+ *Function:
+ * Enable irq function
+ *Input:
+ * ts: goodix i2c_client private data
+ *Output:
+ * None.
+ **********************************************************/
+void gtp_irq_enable(struct goodix_ts_data *ts)
+{
+ unsigned long irqflags = 0;
+
+ spin_lock_irqsave(&ts->irq_lock, irqflags);
+ if (ts->irq_is_disable) {
+ enable_irq(ts->client->irq);
+ ts->irq_is_disable = 0;
+ }
+ spin_unlock_irqrestore(&ts->irq_lock, irqflags);
+}
+
+
+/*******************************************************
+ *Function:
+ * Report touch point event
+ *Input:
+ * ts: goodix i2c_client private data
+ * id: trackId
+ * x: input x coordinate
+ * y: input y coordinate
+ * w: input pressure
+ *Output:
+ * None.
+ **********************************************************/
+static void gtp_touch_down(struct goodix_ts_data *ts, s32 id, s32 x, s32 y, s32 w)
+{
+ if (gtp_change_x2y)
+ GTP_SWAP(x, y);
+
+ if (!bgt911 && !bgt970) {
+ if (gtp_x_reverse)
+ x = ts->abs_x_max - x;
+
+ if (gtp_y_reverse)
+ y = ts->abs_y_max - y;
+ }
+
+ input_report_key(ts->input_dev, BTN_TOUCH, 1);
+ input_report_abs(ts->input_dev, ABS_MT_POSITION_X, x);
+ input_report_abs(ts->input_dev, ABS_MT_POSITION_Y, y);
+ input_report_abs(ts->input_dev, ABS_MT_TOUCH_MAJOR, w);
+ input_report_abs(ts->input_dev, ABS_MT_WIDTH_MAJOR, w);
+ input_report_abs(ts->input_dev, ABS_MT_TRACKING_ID, id);
+ input_mt_sync(ts->input_dev);
+}
+
+/*******************************************************
+ *Function:
+ * Report touch release event
+ *Input:
+ * ts: goodix i2c_client private data
+ *Output:
+ * None.
+ **********************************************************/
+static void gtp_touch_up(struct goodix_ts_data *ts, s32 id)
+{
+ input_report_key(ts->input_dev, BTN_TOUCH, 0);
+}
+
+#if GTP_WITH_PEN
+
+static void gtp_pen_init(struct goodix_ts_data *ts)
+{
+ s32 ret = 0;
+
+ dev_info(&client->dev, ("Request input device for pen/stylus.");
+
+ ts->pen_dev = input_allocate_device();
+ if (ts->pen_dev == NULL) {
+ dev_err(&client->dev, "Failed to allocate input device for pen/stylus.");
+ return;
+ }
+
+ ts->pen_dev->evbit[0] = BIT_MASK(EV_SYN) | BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
+ ts->pen_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
+
+ set_bit(BTN_TOOL_PEN, ts->pen_dev->keybit);
+ set_bit(INPUT_PROP_DIRECT, ts->pen_dev->propbit);
+ //set_bit(INPUT_PROP_POINTER, ts->pen_dev->propbit);
+
+#if GTP_PEN_HAVE_BUTTON
+ input_set_capability(ts->pen_dev, EV_KEY, BTN_STYLUS);
+ input_set_capability(ts->pen_dev, EV_KEY, BTN_STYLUS2);
+#endif
+
+ input_set_abs_params(ts->pen_dev, ABS_MT_POSITION_X, 0, ts->abs_x_max, 0, 0);
+ input_set_abs_params(ts->pen_dev, ABS_MT_POSITION_Y, 0, ts->abs_y_max, 0, 0);
+ input_set_abs_params(ts->pen_dev, ABS_MT_PRESSURE, 0, 255, 0, 0);
+ input_set_abs_params(ts->pen_dev, ABS_MT_TOUCH_MAJOR, 0, 255, 0, 0);
+ input_set_abs_params(ts->pen_dev, ABS_MT_TRACKING_ID, 0, 255, 0, 0);
+
+ ts->pen_dev->name = "goodix-pen";
+ ts->pen_dev->id.bustype = BUS_I2C;
+
+ ret = input_register_device(ts->pen_dev);
+ if (ret) {
+ dev_err(&client->dev, "Register %s input device failed", ts->pen_dev->name);
+ return;
+ }
+}
+
+static void gtp_pen_down(s32 x, s32 y, s32 w, s32 id)
+{
+ struct goodix_ts_data *ts = i2c_get_clientdata(i2c_connect_client);
+
+ if (gtp_change_x2y)
+ GTP_SWAP(x, y);
+
+ input_report_key(ts->pen_dev, BTN_TOOL_PEN, 1);
+ input_report_key(ts->pen_dev, BTN_TOUCH, 1);
+ input_report_abs(ts->pen_dev, ABS_MT_POSITION_X, x);
+ input_report_abs(ts->pen_dev, ABS_MT_POSITION_Y, y);
+ input_report_abs(ts->pen_dev, ABS_MT_PRESSURE, w);
+ input_report_abs(ts->pen_dev, ABS_MT_TOUCH_MAJOR, w);
+ input_report_abs(ts->pen_dev, ABS_MT_TRACKING_ID, id);
+ input_mt_sync(ts->pen_dev);
+}
+
+static void gtp_pen_up(s32 id)
+{
+ struct goodix_ts_data *ts = i2c_get_clientdata(i2c_connect_client);
+
+ input_report_key(ts->pen_dev, BTN_TOOL_PEN, 0);
+ input_report_key(ts->pen_dev, BTN_TOUCH, 0);
+}
+#endif
+
+/*******************************************************
+ *Function:
+ * Goodix touchscreen work function
+ *Input:
+ * work: work struct of goodix_workqueue
+ *Output:
+ * None.
+ **********************************************************/
+static void goodix_ts_work_func(struct work_struct *work)
+{
+ u8 end_cmd[3] = {GTP_READ_COOR_ADDR >> 8, GTP_READ_COOR_ADDR & 0xFF, 0};
+ u8 point_data[2 + 1 + 8 * GTP_MAX_TOUCH + 1] = {GTP_READ_COOR_ADDR >> 8, GTP_READ_COOR_ADDR & 0xFF};
+ u8 touch_num = 0;
+ u8 finger = 0;
+ static u16 pre_touch;
+ static u8 pre_key;
+#if GTP_WITH_PEN
+ u8 pen_active = 0;
+ static u8 pre_pen;
+#endif
+ u8 key_value = 0;
+ u8 *coor_data = NULL;
+ s32 input_x = 0;
+ s32 input_y = 0;
+ s32 input_w = 0;
+ s32 id = 0;
+ s32 i = 0;
+ s32 ret = -1;
+ struct goodix_ts_data *ts = container_of(work, struct goodix_ts_data, work);
+ struct i2c_client *client = ts->client;
+
+#if GTP_GESTURE_WAKEUP
+ u8 doze_buf[3] = {0x81, 0x4B};
+
+ if (doze_status == DOZE_ENABLED) {
+ ret = gtp_i2c_read(i2c_connect_client, doze_buf, 3);
+ if (ret > 0) {
+ if ((doze_buf[2] == 'a') || (doze_buf[2] == 'b') || (doze_buf[2] == 'c') ||
+ (doze_buf[2] == 'd') || (doze_buf[2] == 'e') || (doze_buf[2] == 'g') ||
+ (doze_buf[2] == 'h') || (doze_buf[2] == 'm') || (doze_buf[2] == 'o') ||
+ (doze_buf[2] == 'q') || (doze_buf[2] == 's') || (doze_buf[2] == 'v') ||
+ (doze_buf[2] == 'w') || (doze_buf[2] == 'y') || (doze_buf[2] == 'z') ||
+ (doze_buf[2] == 0x5E) /* ^ */
+ ) {
+
+ if (doze_buf[2] != 0x5E)
+ dev_info(&client->dev, "Wakeup by gesture(%c), light up the screen!", doze_buf[2]);
+ else
+ dev_info(&client->dev, "Wakeup by gesture(^), light up the screen!");
+
+ doze_status = DOZE_WAKEUP;
+ input_report_key(ts->input_dev, KEY_POWER, 1);
+ input_sync(ts->input_dev);
+ input_report_key(ts->input_dev, KEY_POWER, 0);
+ input_sync(ts->input_dev);
+ // clear 0x814B
+ doze_buf[2] = 0x00;
+ gtp_i2c_write(i2c_connect_client, doze_buf, 3);
+ } else if ((doze_buf[2] == 0xAA) || (doze_buf[2] == 0xBB) ||
+ (doze_buf[2] == 0xAB) || (doze_buf[2] == 0xBA)) {
+ char *direction[4] = {"Right", "Down", "Up", "Left"};
+ u8 type = ((doze_buf[2] & 0x0F) - 0x0A) + (((doze_buf[2] >> 4) & 0x0F) - 0x0A) * 2;
+
+ dev_info(&client->dev, "%s slide to light up the screen!", direction[type]);
+ doze_status = DOZE_WAKEUP;
+ input_report_key(ts->input_dev, KEY_POWER, 1);
+ input_sync(ts->input_dev);
+ input_report_key(ts->input_dev, KEY_POWER, 0);
+ input_sync(ts->input_dev);
+ // clear 0x814B
+ doze_buf[2] = 0x00;
+ gtp_i2c_write(i2c_connect_client, doze_buf, 3);
+ } else if (doze_buf[2] == 0xCC) {
+ dev_info(&client->dev, "Double click to light up the screen!");
+ doze_status = DOZE_WAKEUP;
+ input_report_key(ts->input_dev, KEY_POWER, 1);
+ input_sync(ts->input_dev);
+ input_report_key(ts->input_dev, KEY_POWER, 0);
+ input_sync(ts->input_dev);
+ // clear 0x814B
+ doze_buf[2] = 0x00;
+ gtp_i2c_write(i2c_connect_client, doze_buf, 3);
+ } else {
+ // clear 0x814B
+ doze_buf[2] = 0x00;
+ gtp_i2c_write(i2c_connect_client, doze_buf, 3);
+ gtp_enter_doze(ts);
+ }
+ }
+
+ gtp_irq_enable(ts);
+ goto release_wakeup_lock;
+}
+#endif
+
+ ret = gtp_i2c_read(ts->client, point_data, 12);
+ if (ret < 0) {
+ dev_err(&client->dev, "I2C transfer error. errno:%d\n ", ret);
+ gtp_irq_enable(ts);
+ goto release_wakeup_lock;
+ }
+
+ finger = point_data[GTP_ADDR_LENGTH];
+
+ if (finger == 0x00) {
+ gtp_irq_enable(ts);
+ goto release_wakeup_lock;
+ }
+
+ if (finger & 0x80 == 0)
+ goto exit_work_func;
+
+ touch_num = finger & 0x0f;
+ if (touch_num > GTP_MAX_TOUCH)
+ goto exit_work_func;
+
+ if (touch_num > 1) {
+ u8 buf[8 * GTP_MAX_TOUCH] = {(GTP_READ_COOR_ADDR + 10) >> 8, (GTP_READ_COOR_ADDR + 10) & 0xff};
+
+ ret = gtp_i2c_read(ts->client, buf, 2 + 8 * (touch_num - 1));
+ memcpy(&point_data[12], &buf[2], 8 * (touch_num - 1));
+ }
+
+#if (GTP_HAVE_TOUCH_KEY || GTP_PEN_HAVE_BUTTON)
+ key_value = point_data[3 + 8 * touch_num];
+
+ if (key_value || pre_key) {
+ #if GTP_PEN_HAVE_BUTTON
+ if (key_value == 0x40) {
+ /* BTN_STYLUS & BTN_STYLUS2 Down. */
+ input_report_key(ts->pen_dev, BTN_STYLUS, 1);
+ input_report_key(ts->pen_dev, BTN_STYLUS2, 1);
+ pen_active = 1;
+ } else if (key_value == 0x10) {
+ /* BTN_STYLUS Down, BTN_STYLUS2 Up. */
+ input_report_key(ts->pen_dev, BTN_STYLUS, 1);
+ input_report_key(ts->pen_dev, BTN_STYLUS2, 0);
+ pen_active = 1;
+ } else if (key_value == 0x20) {
+ /* BTN_STYLUS Up, BTN_STYLUS2 Down. */
+ input_report_key(ts->pen_dev, BTN_STYLUS, 0);
+ input_report_key(ts->pen_dev, BTN_STYLUS2, 1);
+ pen_active = 1;
+ } else {
+ /* BTN_STYLUS & BTN_STYLUS2 Up. */
+ input_report_key(ts->pen_dev, BTN_STYLUS, 0);
+ input_report_key(ts->pen_dev, BTN_STYLUS2, 0);
+ if ((pre_key == 0x40) || (pre_key == 0x20) ||
+ (pre_key == 0x10)) {
+ pen_active = 1;
+ }
+ }
+
+ if (pen_active)
+ touch_num = 0; // shield pen point
+ #endif
+
+ #if GTP_HAVE_TOUCH_KEY
+ if (!pre_touch) {
+ for (i = 0; i < GTP_MAX_KEY_NUM; i++) {
+ #if GTP_DEBUG_ON
+ for (ret = 0; ret < 4; ++ret) {
+ if (key_codes[ret] == touch_key_array[i]) {
+ dev_dbg(&client->dev, "Key: %s %s", key_names[ret], (key_value & (0x01 << i)) ? "Down" : "Up");
+ break;
+ }
+ }
+ #endif
+ input_report_key(ts->input_dev, touch_key_array[i], key_value & (0x01<<i));
+ }
+ touch_num = 0; // shield fingers
+ }
+ #endif
+ }
+#endif
+ pre_key = key_value;
+
+ if (touch_num) {
+ for (i = 0; i < touch_num; i++) {
+ coor_data = &point_data[i * 8 + 3];
+
+ id = coor_data[0] & 0x0F;
+ input_x = coor_data[1] | (coor_data[2] << 8);
+ input_y = coor_data[3] | (coor_data[4] << 8);
+ input_w = coor_data[5] | (coor_data[6] << 8);
+
+ #if GTP_WITH_PEN
+ id = coor_data[0];
+ if (id & 0x80)
+ {
+ /* Pen touch DOWN! */
+ gtp_pen_down(input_x, input_y, input_w, 0);
+ pre_pen = 1;
+ pen_active = 1;
+ break;
+ }
+ else
+ #endif
+ {
+ gtp_touch_down(ts, id, input_x, input_y, input_w);
+ }
+ }
+ } else if (pre_touch) {
+ #if GTP_WITH_PEN
+ if (pre_pen == 1)
+ {
+ /* Pen touch UP! */
+ gtp_pen_up(0);
+ pre_pen = 0;
+ pen_active = 1;
+ }
+ else
+ #endif
+ {
+ /* Touch Release! */
+ gtp_touch_up(ts, 0);
+ }
+ }
+
+ pre_touch = touch_num;
+
+#if GTP_WITH_PEN
+ if (pen_active)
+ {
+ pen_active = 0;
+ input_sync(ts->pen_dev);
+ }
+ else
+#endif
+ {
+ input_sync(ts->input_dev);
+ }
+
+exit_work_func:
+ gtp_i2c_write(ts->client, end_cmd, 3);
+ gtp_irq_enable(ts);
+
+release_wakeup_lock:
+ if (device_can_wakeup(&ts->client->dev))
+ pm_relax(&ts->client->dev);
+}
+
+/*******************************************************
+ *Function:
+ * External interrupt service routine for interrupt mode.
+ *Input:
+ * irq: interrupt number.
+ * dev_id: private data pointer
+ *Output:
+ * Handle Result.
+ * IRQ_HANDLED: interrupt handled successfully
+ **********************************************************/
+static irqreturn_t goodix_ts_irq_handler(int irq, void *dev_id)
+{
+ struct goodix_ts_data *ts = dev_id;
+
+ gtp_irq_disable(ts);
+
+ if (device_can_wakeup(&ts->client->dev))
+ pm_stay_awake(&ts->client->dev);
+
+ queue_work(goodix_wq, &ts->work);
+
+ return IRQ_HANDLED;
+}
+
+/*******************************************************
+ *Function:
+ * Synchronization.
+ *Input:
+ * ms: synchronization time in millisecond.
+ *Output:
+ * None.
+ ********************************************************/
+void gtp_int_sync(s32 ms, struct goodix_ts_data *ts)
+{
+ GTP_GPIO_OUTPUT(ts->irq_pin, 0);
+ msleep(ms);
+ gpio_direction_input(ts->irq_pin);
+}
+
+
+/*******************************************************
+ *Function:
+ * Reset chip.
+ *Input:
+ * ms: reset time in millisecond
+ *Output:
+ * None.
+ ********************************************************/
+void gtp_reset_guitar(struct i2c_client *client, s32 ms)
+{
+ struct goodix_ts_data *ts = i2c_get_clientdata(client);
+
+ GTP_GPIO_OUTPUT(ts->rst_pin, 0); // begin select I2C slave addr
+ msleep(ms); // T2: > 10ms
+ // HIGH: 0x28/0x29, LOW: 0xBA/0xBB
+ GTP_GPIO_OUTPUT(ts->irq_pin, client->addr == 0x14);
+
+ msleep(2); // T3: > 100us
+ GTP_GPIO_OUTPUT(ts->rst_pin, 1);
+
+ msleep(6); // T4: > 5ms
+
+ gpio_direction_input(ts->rst_pin);
+
+ gtp_int_sync(50, ts);
+#if GTP_ESD_PROTECT
+ gtp_init_ext_watchdog(client);
+#endif
+}
+
+#if GTP_GESTURE_WAKEUP
+/*******************************************************
+ *Function:
+ * Enter doze mode for sliding wakeup.
+ *Input:
+ * ts: goodix tp private data
+ *Output:
+ * 1: succeed, otherwise failed
+ ********************************************************/
+static s8 gtp_enter_doze(struct goodix_ts_data *ts)
+{
+ s8 ret = -1;
+ s8 retry = 0;
+ u8 i2c_control_buf[3] = {(u8)(GTP_REG_SLEEP >> 8), (u8)GTP_REG_SLEEP, 8};
+
+ while (retry++ < 5) {
+ i2c_control_buf[0] = 0x80;
+ i2c_control_buf[1] = 0x46;
+ ret = gtp_i2c_write(ts->client, i2c_control_buf, 3);
+ if (ret < 0)
+ continue;
+
+ i2c_control_buf[0] = 0x80;
+ i2c_control_buf[1] = 0x40;
+ ret = gtp_i2c_write(ts->client, i2c_control_buf, 3);
+ if (ret > 0) {
+ doze_status = DOZE_ENABLED;
+ return ret;
+ }
+ msleep(10);
+ }
+
+ return ret;
+}
+#endif
+
+#if GTP_DRIVER_SEND_CFG
+static s32 gtp_get_info(struct goodix_ts_data *ts)
+{
+ struct i2c_client *client = ts->client;
+ u8 opr_buf[6] = {0};
+ s32 ret = 0;
+
+ //ts->abs_x_max = GTP_MAX_WIDTH;
+ //ts->abs_y_max = GTP_MAX_HEIGHT;
+
+ ts->int_trigger_type = GTP_INT_TRIGGER;
+
+ opr_buf[0] = (u8)((GTP_REG_CONFIG_DATA+1) >> 8);
+ opr_buf[1] = (u8)((GTP_REG_CONFIG_DATA+1) & 0xFF);
+
+ ret = gtp_i2c_read(ts->client, opr_buf, 6);
+ if (ret < 0)
+ return FAIL;
+
+ ts->abs_x_max = (opr_buf[3] << 8) + opr_buf[2];
+ ts->abs_y_max = (opr_buf[5] << 8) + opr_buf[4];
+
+ opr_buf[0] = (u8)((GTP_REG_CONFIG_DATA+6) >> 8);
+ opr_buf[1] = (u8)((GTP_REG_CONFIG_DATA+6) & 0xFF);
+
+ ret = gtp_i2c_read(ts->client, opr_buf, 3);
+ if (ret < 0)
+ return FAIL;
+
+ ts->int_trigger_type = opr_buf[2] & 0x03;
+
+ dev_info(&client->dev, "X_MAX = %d, Y_MAX = %d, TRIGGER = 0x%02x",
+ ts->abs_x_max, ts->abs_y_max, ts->int_trigger_type);
+
+ return SUCCESS;
+}
+#endif
+
+/*******************************************************
+ *Function:
+ * Initialize gtp.
+ *Input:
+ * ts: goodix private data
+ *Output:
+ * Executive outcomes.
+ * 0: succeed, otherwise: failed
+ ********************************************************/
+static s32 gtp_init_panel(struct goodix_ts_data *ts)
+{
+ struct i2c_client *client = ts->client;
+ s32 ret = -1;
+#if GTP_DRIVER_SEND_CFG
+ s32 i = 0;
+ u8 check_sum = 0;
+ u8 opr_buf[16] = {0};
+ u8 sensor_id = 0;
+
+ u8 cfg_info_group2[] = CTP_CFG_GROUP2;
+ u8 cfg_info_group3[] = CTP_CFG_GROUP3;
+ u8 cfg_info_group4[] = CTP_CFG_GROUP4;
+ u8 cfg_info_group5[] = CTP_CFG_GROUP5;
+ u8 cfg_info_group6[] = CTP_CFG_GROUP6;
+ u8 *send_cfg_buf[] = { gtp_dat_10_1, cfg_info_group2, cfg_info_group3,
+ cfg_info_group4, cfg_info_group5, cfg_info_group6 };
+ u8 cfg_info_len[] = { CFG_GROUP_LEN(gtp_dat_10_1),
+ CFG_GROUP_LEN(cfg_info_group2),
+ CFG_GROUP_LEN(cfg_info_group3),
+ CFG_GROUP_LEN(cfg_info_group4),
+ CFG_GROUP_LEN(cfg_info_group5),
+ CFG_GROUP_LEN(cfg_info_group6)};
+
+ if (m89or101) {
+ if (ts->cfg_file_num) {
+ send_cfg_buf[0] = gtp_dat_8_9_1;
+ cfg_info_len[0] = CFG_GROUP_LEN(gtp_dat_8_9_1);
+ } else {
+ send_cfg_buf[0] = gtp_dat_8_9;
+ cfg_info_len[0] = CFG_GROUP_LEN(gtp_dat_8_9);
+ }
+ }
+
+ if (bgt911) {
+ send_cfg_buf[0] = gtp_dat_gt11;
+ cfg_info_len[0] = CFG_GROUP_LEN(gtp_dat_gt11);
+ }
+
+ if (bgt9110) {
+ send_cfg_buf[0] = gtp_dat_gt9110;
+ cfg_info_len[0] = CFG_GROUP_LEN(gtp_dat_gt9110);
+ }
+
+ if (bgt9111) {
+ send_cfg_buf[0] = gtp_dat_gt9111;
+ cfg_info_len[0] = CFG_GROUP_LEN(gtp_dat_gt9111);
+ }
+
+ if (bgt9112) {
+ send_cfg_buf[0] = gtp_dat_gt9112;
+ cfg_info_len[0] = CFG_GROUP_LEN(gtp_dat_gt9112);
+ }
+
+ if (bgt970) {
+ send_cfg_buf[0] = gtp_dat_9_7;
+ cfg_info_len[0] = CFG_GROUP_LEN(gtp_dat_9_7);
+ }
+
+ if (bgt910) {
+ send_cfg_buf[0] = gtp_dat_7;
+ cfg_info_len[0] = CFG_GROUP_LEN(gtp_dat_7);
+ }
+
+ if ((!cfg_info_len[1]) && (!cfg_info_len[2]) &&
+ (!cfg_info_len[3]) && (!cfg_info_len[4]) &&
+ (!cfg_info_len[5])) {
+ sensor_id = 0;
+ } else {
+ msleep(50);
+ ret = gtp_i2c_read_dbl_check(ts->client, GTP_REG_SENSOR_ID, &sensor_id, 1);
+ if (ret < 0 || sensor_id >= 0x06) {
+ ts->pnl_init_error = 1;
+ return -1;
+ }
+ }
+ ts->gtp_cfg_len = cfg_info_len[sensor_id];
+
+ if (ts->gtp_cfg_len < GTP_CONFIG_MIN_LENGTH) {
+ ts->pnl_init_error = 1;
+ return -1;
+ }
+
+ ret = gtp_i2c_read_dbl_check(ts->client, GTP_REG_CONFIG_DATA, &opr_buf[0], 1);
+ if (ret < 0)
+ return -1;
+
+ if (opr_buf[0] < 90) {
+ grp_cfg_version = send_cfg_buf[sensor_id][0]; // backup group config version
+ send_cfg_buf[sensor_id][0] = 0x00;
+ ts->fixed_cfg = 0;
+ } else { // treated as fixed config, not send config
+ ts->fixed_cfg = 1;
+ gtp_get_info(ts);
+ return 0;
+ }
+
+ memset(&config[GTP_ADDR_LENGTH], 0, GTP_CONFIG_MAX_LENGTH);
+ memcpy(&config[GTP_ADDR_LENGTH], send_cfg_buf[sensor_id], ts->gtp_cfg_len);
+
+ check_sum = 0;
+ for (i = GTP_ADDR_LENGTH; i < ts->gtp_cfg_len; i++)
+ check_sum += config[i];
+
+ config[ts->gtp_cfg_len] = (~check_sum) + 1;
+
+#else // driver not send config
+
+ ts->gtp_cfg_len = GTP_CONFIG_MAX_LENGTH;
+ ret = gtp_i2c_read(ts->client, config, ts->gtp_cfg_len + GTP_ADDR_LENGTH);
+ if (ret < 0) {
+ dev_err(&client->dev, "Read Config Failed, Using Default Resolution & INT Trigger!");
+ //ts->abs_x_max = GTP_MAX_WIDTH;
+ //ts->abs_y_max = GTP_MAX_HEIGHT;
+ ts->int_trigger_type = GTP_INT_TRIGGER;
+ }
+
+#endif // GTP_DRIVER_SEND_CFG
+
+ if ((ts->abs_x_max == 0) && (ts->abs_y_max == 0)) {
+ ts->abs_x_max = (config[RESOLUTION_LOC + 1] << 8) + config[RESOLUTION_LOC];
+ ts->abs_y_max = (config[RESOLUTION_LOC + 3] << 8) + config[RESOLUTION_LOC + 2];
+ ts->int_trigger_type = (config[TRIGGER_LOC]) & 0x03;
+ }
+
+#if GTP_DRIVER_SEND_CFG
+ ret = gtp_send_cfg(ts->client);
+ if (ret < 0)
+ dev_err(&client->dev, "Send config error.");
+
+ // set config version to CTP_CFG_GROUP, for resume to send config
+ config[GTP_ADDR_LENGTH] = grp_cfg_version;
+ check_sum = 0;
+ for (i = GTP_ADDR_LENGTH; i < ts->gtp_cfg_len; i++)
+ check_sum += config[i];
+
+ config[ts->gtp_cfg_len] = (~check_sum) + 1;
+#endif
+ return 0;
+}
+
+/*******************************************************
+ *Function:
+ * Read chip version.
+ *Input:
+ * client: i2c device
+ * version: buffer to keep ic firmware version
+ *Output:
+ * read operation return.
+ * 2: succeed, otherwise: failed
+ ********************************************************/
+s32 gtp_read_version(struct i2c_client *client, u16 *version)
+{
+ s32 ret = -1;
+ u8 buf[8] = {GTP_REG_VERSION >> 8, GTP_REG_VERSION & 0xff};
+
+ ret = gtp_i2c_read(client, buf, sizeof(buf));
+ if (ret < 0) {
+ dev_err(&client->dev, "GTP read version failed");
+ return ret;
+ }
+
+ if (version)
+ *version = (buf[7] << 8) | buf[6];
+
+ if (buf[5] == 0x00)
+ dev_info(&client->dev, "IC Version: %c%c%c_%02x%02x",
+ buf[2], buf[3], buf[4], buf[7], buf[6]);
+ else
+ dev_info(&client->dev, "IC Version: %c%c%c%c_%02x%02x",
+ buf[2], buf[3], buf[4], buf[5], buf[7], buf[6]);
+
+ return ret;
+}
+
+/*******************************************************
+ *Function:
+ * Request gpio(INT & RST) ports.
+ *Input:
+ * ts: private data.
+ *Output:
+ * Executive outcomes.
+ * >= 0: succeed, < 0: failed
+ ********************************************************/
+static s8 gtp_request_io_port(struct goodix_ts_data *ts)
+{
+ struct i2c_client *client = ts->client;
+ s32 ret = 0;
+
+ ret = GTP_GPIO_REQUEST(ts->rst_pin, "GTP_RST_PORT");
+ if (ret < 0) {
+ dev_err(&client->dev, "2Failed to request GPIO:%d, ERRNO:%d",
+ (s32)ts->rst_pin, ret);
+ GTP_GPIO_FREE(ts->rst_pin);
+ return -ENODEV;
+ }
+
+ ret = GTP_GPIO_REQUEST(ts->irq_pin, "GTP_INT_IRQ");
+ if (ret < 0) {
+ dev_err(&client->dev, "3Failed to request GPIO:%d, ERRNO:%d",
+ (s32)ts->irq_pin, ret);
+ GTP_GPIO_FREE(ts->irq_pin);
+ return -ENODEV;
+ }
+
+ gpio_direction_input(ts->irq_pin);
+ gpio_direction_input(ts->rst_pin);
+
+ gtp_reset_guitar(ts->client, 20);
+
+ return ret;
+}
+
+/*******************************************************
+ *Function:
+ * Request interrupt.
+ *Input:
+ * ts: private data.
+ *Output:
+ * Executive outcomes.
+ * 0: succeed, -1: failed.
+ ********************************************************/
+static s8 gtp_request_irq(struct goodix_ts_data *ts)
+{
+ struct i2c_client *client = ts->client;
+ s32 ret;
+
+ ts->irq = gpio_to_irq(ts->irq_pin); //If not defined in client
+ if (ts->irq < 0) {
+ dev_err(&client->dev, "ts->irq error\n");
+ ret = -EINVAL;
+ goto err;
+ }
+
+ ts->client->irq = ts->irq;
+ ret = devm_request_threaded_irq(&client->dev, ts->irq, NULL,
+ goodix_ts_irq_handler, ts->irq_flags | IRQF_ONESHOT /*irq_table[ts->int_trigger_type]*/,
+ ts->client->name, ts);
+ if (ret != 0) {
+ dev_err(&client->dev, "Cannot allocate ts INT! ERRNO:%d\n", ret);
+ goto err;
+ }
+
+ return 0;
+err:
+ return ret;
+}
+
+/*******************************************************
+ *Function:
+ * Request input device Function.
+ *Input:
+ * ts:private data.
+ *Output:
+ * Executive outcomes.
+ * 0: succeed, otherwise: failed.
+ ********************************************************/
+static s8 gtp_request_input_dev(struct i2c_client *client,
+ struct goodix_ts_data *ts)
+{
+ s8 ret = -1;
+ s8 phys[32];
+#if GTP_HAVE_TOUCH_KEY
+ u8 index = 0;
+#endif
+
+ ts->input_dev = devm_input_allocate_device(&client->dev);
+ if (ts->input_dev == NULL) {
+ dev_err(&client->dev, "Failed to allocate input device.");
+ return -ENOMEM;
+ }
+
+ ts->input_dev->evbit[0] = BIT_MASK(EV_SYN) | BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
+ ts->input_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
+ __set_bit(INPUT_PROP_DIRECT, ts->input_dev->propbit);
+
+#if GTP_HAVE_TOUCH_KEY
+ for (index = 0; index < GTP_MAX_KEY_NUM; index++)
+ input_set_capability(ts->input_dev, EV_KEY, touch_key_array[index]);
+#endif
+
+#if GTP_GESTURE_WAKEUP
+ input_set_capability(ts->input_dev, EV_KEY, KEY_POWER);
+#endif
+
+ if (gtp_change_x2y)
+ GTP_SWAP(ts->abs_x_max, ts->abs_y_max);
+
+ input_set_abs_params(ts->input_dev, ABS_MT_POSITION_X, 0, ts->abs_x_max, 0, 0);
+ input_set_abs_params(ts->input_dev, ABS_MT_POSITION_Y, 0, ts->abs_y_max, 0, 0);
+ input_set_abs_params(ts->input_dev, ABS_MT_WIDTH_MAJOR, 0, 255, 0, 0);
+ input_set_abs_params(ts->input_dev, ABS_MT_TOUCH_MAJOR, 0, 255, 0, 0);
+ input_set_abs_params(ts->input_dev, ABS_MT_TRACKING_ID, 0, 255, 0, 0);
+
+ sprintf(phys, "input/ts");
+ ts->input_dev->name = goodix_ts_name;
+ ts->input_dev->phys = phys;
+ ts->input_dev->id.bustype = BUS_I2C;
+ ts->input_dev->id.vendor = 0xDEAD;
+ ts->input_dev->id.product = 0xBEEF;
+ ts->input_dev->id.version = 10427;
+
+ ret = input_register_device(ts->input_dev);
+ if (ret) {
+ dev_err(&client->dev, "Register %s input device failed", ts->input_dev->name);
+ return -ENODEV;
+ }
+
+#if GTP_WITH_PEN
+ gtp_pen_init(ts);
+#endif
+
+ return 0;
+}
+
+int gtp_get_chip_type(struct goodix_ts_data *ts)
+{
+ struct i2c_client *client = ts->client;
+ u8 opr_buf[10] = {0x00};
+ s32 ret = 0;
+
+ ret = gtp_i2c_read_dbl_check(ts->client, GTP_REG_CHIP_TYPE, opr_buf, 10);
+ if (ret < 0) {
+ dev_err(&client->dev, "Failed to get chip-type");
+ return -EINVAL;
+ }
+
+ if (memcmp(opr_buf, "GOODIX_GT9", 10))
+ return -ENODEV;
+
+ dev_info(&client->dev, "Chip Type: %s", "GOODIX_GT9");
+ return 0;
+}
+
+/*******************************************************
+ *Function:
+ * I2c probe.
+ *Input:
+ * client: i2c device struct.
+ * id: device id.
+ *Output:
+ * Executive outcomes.
+ * 0: succeed.
+ ********************************************************/
+static int goodix_ts_probe(struct i2c_client *client, const struct i2c_device_id *id)
+{
+ s32 ret = -1;
+ struct goodix_ts_data *ts;
+ u16 version_info;
+ struct device_node *np;
+ enum of_gpio_flags rst_flags, pwr_flags;
+ u32 val;
+
+ dev_info(&client->dev, "GTP Driver Version: %s", GTP_DRIVER_VERSION);
+
+ i2c_connect_client = client;
+
+ if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
+ dev_err(&client->dev, "I2C check functionality failed.");
+ return -ENODEV;
+ }
+
+ ts = kzalloc(sizeof(*ts), GFP_KERNEL);
+ if (ts == NULL)
+ return -ENOMEM;
+
+ np = client->dev.of_node;
+ if (!np) {
+ dev_err(&client->dev, "No device tree node\n");
+ return -EINVAL;
+ }
+
+ if (of_property_read_u32(np, "tp-size", &val)) {
+ dev_err(&client->dev, "no max-x defined\n");
+ return -EINVAL;
+ }
+
+ if (val == 89) {
+ m89or101 = TRUE;
+ gtp_change_x2y = TRUE;
+ gtp_x_reverse = FALSE;
+ gtp_y_reverse = TRUE;
+ } else if (val == 101) {
+ m89or101 = FALSE;
+ gtp_change_x2y = TRUE;
+ gtp_x_reverse = TRUE;
+ gtp_y_reverse = FALSE;
+ } else if (val == 911) {
+ m89or101 = FALSE;
+ bgt911 = TRUE;
+ gtp_change_x2y = TRUE;
+ gtp_x_reverse = FALSE;
+ gtp_y_reverse = TRUE;
+ } else if (val == 9110) {
+ m89or101 = FALSE;
+ bgt9110 = TRUE;
+ gtp_change_x2y = TRUE;
+ gtp_x_reverse = TRUE;
+ gtp_y_reverse = FALSE;
+ } else if (val == 9111) {
+ m89or101 = FALSE;
+ bgt9111 = TRUE;
+ gtp_change_x2y = FALSE;
+ gtp_x_reverse = TRUE;
+ gtp_y_reverse = FALSE;
+ } else if (val == 9112) {
+ m89or101 = FALSE;
+ bgt9112 = TRUE;
+ gtp_change_x2y = FALSE;
+ gtp_x_reverse = FALSE;
+ gtp_y_reverse = FALSE;
+ } else if (val == 970) {
+ m89or101 = FALSE;
+ bgt911 = FALSE;
+ bgt970 = TRUE;
+ gtp_change_x2y = FALSE;
+ gtp_x_reverse = FALSE;
+ gtp_y_reverse = TRUE;
+ } else if (val == 910) {
+ m89or101 = FALSE;
+ bgt911 = FALSE;
+ bgt970 = FALSE;
+ bgt910 = TRUE;
+ gtp_change_x2y = TRUE;
+ gtp_x_reverse = FALSE;
+ gtp_y_reverse = TRUE;
+ }
+
+ if (of_property_read_u32(np, "max-x", &val)) {
+ dev_err(&client->dev, "no max-x defined\n");
+ return -EINVAL;
+ }
+ //ts->abs_x_max = val;
+ if (of_property_read_u32(np, "max-y", &val)) {
+ dev_err(&client->dev, "no max-y defined\n");
+ return -EINVAL;
+ }
+ //ts->abs_y_max = val;
+ if (of_property_read_u32(np, "configfile-num", &val))
+ ts->cfg_file_num = 0;
+ else
+ ts->cfg_file_num = val;
+
+ ts->tp_regulator = devm_regulator_get(&client->dev, "tp");
+ if (IS_ERR(ts->tp_regulator)) {
+ dev_err(&client->dev, "failed to get regulator, %ld\n",
+ PTR_ERR(ts->tp_regulator));
+ return PTR_ERR(ts->tp_regulator);
+ }
+
+ ret = regulator_enable(ts->tp_regulator);
+ if (ret < 0)
+ dev_err(&client->dev, "failed to enable tp regulator\n");
+
+ msleep(20);
+
+ ts->irq_pin = of_get_named_gpio_flags(np, "touch-gpio", 0, (enum of_gpio_flags *)(&ts->irq_flags));
+ ts->rst_pin = of_get_named_gpio_flags(np, "reset-gpio", 0, &rst_flags);
+ ts->pwr_pin = of_get_named_gpio_flags(np, "power-gpio", 0, &pwr_flags);
+
+ ts->client = client;
+
+ INIT_WORK(&ts->work, goodix_ts_work_func);
+ spin_lock_init(&ts->irq_lock); // 2.6.39 later
+#if GTP_ESD_PROTECT
+ ts->clk_tick_cnt = 2 * HZ; // HZ: clock ticks in 1 second generated by system
+ spin_lock_init(&ts->esd_lock);
+#endif
+
+ i2c_set_clientdata(client, ts);
+
+ ret = gtp_request_io_port(ts);
+ if (ret < 0) {
+ dev_err(&client->dev, "GTP request IO port failed.");
+ goto probe_init_error_requireio;
+ }
+
+ ret = gtp_get_chip_type(ts);
+ if (ret < 0) {
+ dev_err(&client->dev, "Get chip type failed.");
+ goto probe_init_error;
+ }
+
+ ret = gtp_read_version(client, &version_info);
+ if (ret < 0)
+ dev_err(&client->dev, "Read version failed.");
+
+ ret = gtp_init_panel(ts);
+ if (ret < 0) {
+ dev_err(&client->dev, "GTP init panel failed.");
+ //ts->abs_x_max = GTP_MAX_WIDTH;
+ //ts->abs_y_max = GTP_MAX_HEIGHT;
+ ts->int_trigger_type = GTP_INT_TRIGGER;
+ }
+
+ ts->irq_flags = ts->int_trigger_type ? IRQF_TRIGGER_FALLING : IRQF_TRIGGER_RISING;
+
+ ret = gtp_request_input_dev(client, ts);
+ if (ret < 0) {
+ dev_err(&client->dev, "GTP request input dev failed");
+ goto probe_init_error;
+ }
+
+ ret = gtp_request_irq(ts);
+ if (ret < 0)
+ dev_info(&client->dev, "GTP works in polling mode.");
+ else
+ dev_info(&client->dev, "GTP works in interrupt mode.");
+
+ gtp_irq_enable(ts);
+
+ if (of_property_read_bool(np, "wakeup-source")) {
+ device_init_wakeup(&client->dev, 1);
+ enable_irq_wake(ts->irq);
+ }
+
+#if GTP_ESD_PROTECT
+ gtp_esd_switch(client, SWITCH_ON);
+#endif
+ return 0;
+
+probe_init_error:
+ GTP_GPIO_FREE(ts->rst_pin);
+ GTP_GPIO_FREE(ts->irq_pin);
+probe_init_error_requireio:
+ regulator_disable(ts->tp_regulator);
+ kfree(ts);
+ return ret;
+}
+
+
+/*******************************************************
+ *Function:
+ * Goodix touchscreen driver release function.
+ *Input:
+ * client: i2c device struct.
+ *Output:
+ * Executive outcomes. 0---succeed.
+ ********************************************************/
+static int goodix_ts_remove(struct i2c_client *client)
+{
+ struct goodix_ts_data *ts = i2c_get_clientdata(client);
+
+#if GTP_ESD_PROTECT
+ destroy_workqueue(gtp_esd_check_workqueue);
+#endif
+
+ regulator_disable(ts->tp_regulator);
+
+ if (ts) {
+ gpio_direction_input(ts->irq_pin);
+ GTP_GPIO_FREE(ts->irq_pin);
+ free_irq(client->irq, ts);
+ i2c_set_clientdata(client, NULL);
+ input_unregister_device(ts->input_dev);
+ kfree(ts);
+ }
+
+ return 0;
+}
+
+#if GTP_ESD_PROTECT
+s32 gtp_i2c_read_no_rst(struct i2c_client *client, u8 *buf, s32 len)
+{
+ struct i2c_msg msgs[2];
+ s32 ret = -1;
+ s32 retries = 0;
+
+ msgs[0].flags = !I2C_M_RD;
+ msgs[0].addr = client->addr;
+ msgs[0].len = GTP_ADDR_LENGTH;
+ msgs[0].buf = &buf[0];
+ msgs[1].flags = I2C_M_RD;
+ msgs[1].addr = client->addr;
+ msgs[1].len = len - GTP_ADDR_LENGTH;
+ msgs[1].buf = &buf[GTP_ADDR_LENGTH];
+
+ while (retries < 5) {
+ ret = i2c_transfer(client->adapter, msgs, 2);
+ if (ret == 2)
+ break;
+ retries++;
+ }
+ if (retries >= 5)
+ dev_err(&client->dev, "I2C Read: 0x%04X, %d bytes failed, errcode: %d!", (((u16)(buf[0] << 8)) | buf[1]), len-2, ret);
+
+ return ret;
+}
+
+s32 gtp_i2c_write_no_rst(struct i2c_client *client, u8 *buf, s32 len)
+{
+ struct i2c_msg msg;
+ s32 ret = -1;
+ s32 retries = 0;
+
+ msg.flags = !I2C_M_RD;
+ msg.addr = client->addr;
+ msg.len = len;
+ msg.buf = buf;
+
+ while (retries < 5) {
+ ret = i2c_transfer(client->adapter, &msg, 1);
+ if (ret == 1)
+ break;
+ retries++;
+ }
+ if (retries >= 5)
+ dev_err(&client->dev, "I2C Write: 0x%04X, %d bytes failed, errcode: %d!", (((u16)(buf[0] << 8)) | buf[1]), len-2, ret);
+
+ return ret;
+}
+/*******************************************************
+ *Function:
+ * switch on & off esd delayed work
+ *Input:
+ * client: i2c device
+ * on: SWITCH_ON / SWITCH_OFF
+ *Output:
+ * void
+ **********************************************************/
+void gtp_esd_switch(struct i2c_client *client, s32 on)
+{
+ struct goodix_ts_data *ts;
+
+ ts = i2c_get_clientdata(client);
+ spin_lock(&ts->esd_lock);
+
+ if (on == SWITCH_ON) { // switch on esd
+ if (!ts->esd_running) {
+ ts->esd_running = 1;
+ spin_unlock(&ts->esd_lock);
+ queue_delayed_work(gtp_esd_check_workqueue, >p_esd_check_work, ts->clk_tick_cnt);
+ } else {
+ spin_unlock(&ts->esd_lock);
+ }
+ } else { // switch off esd
+ if (ts->esd_running) {
+ ts->esd_running = 0;
+ spin_unlock(&ts->esd_lock);
+ cancel_delayed_work_sync(>p_esd_check_work);
+ } else {
+ spin_unlock(&ts->esd_lock);
+ }
+ }
+}
+
+/*******************************************************
+ *Function:
+ * Initialize external watchdog for esd protect
+ *Input:
+ * client: i2c device.
+ *Output:
+ * result of i2c write operation.
+ * 1: succeed, otherwise: failed
+ **********************************************************/
+static s32 gtp_init_ext_watchdog(struct i2c_client *client)
+{
+ u8 opr_buffer[3] = {0x80, 0x41, 0xAA};
+
+ return gtp_i2c_write_no_rst(client, opr_buffer, 3);
+}
+
+/*******************************************************
+ *Function:
+ * Esd protect function.
+ * External watchdog added by meta, 2013/03/07
+ *Input:
+ * work: delayed work
+ *Output:
+ * None.
+ ********************************************************/
+static void gtp_esd_check_func(struct work_struct *work)
+{
+ s32 i;
+ s32 ret = -1;
+ struct goodix_ts_data *ts = NULL;
+ u8 esd_buf[5] = {0x80, 0x40};
+
+ ts = i2c_get_clientdata(i2c_connect_client);
+
+ if (ts->gtp_is_suspend)
+ return;
+
+ for (i = 0; i < 3; i++) {
+ ret = gtp_i2c_read_no_rst(ts->client, esd_buf, 4);
+ if (ret < 0)
+ continue;
+
+ if ((esd_buf[2] == 0xAA) || (esd_buf[3] != 0xAA)) {
+ // IC works abnormally..
+ u8 chk_buf[4] = {0x80, 0x40};
+
+ gtp_i2c_read_no_rst(ts->client, chk_buf, 4);
+ if ((chk_buf[2] == 0xAA) || (chk_buf[3] != 0xAA)) {
+ i = 3;
+ break;
+ }
+ } else {
+ // IC works normally, Write 0x8040 0xAA, feed the dog
+ esd_buf[2] = 0xAA;
+ gtp_i2c_write_no_rst(ts->client, esd_buf, 3);
+ break;
+ }
+ }
+
+ if (i >= 3) {
+ /* IC working abnormally! Process reset guitar. */
+ esd_buf[0] = 0x42;
+ esd_buf[1] = 0x26;
+ esd_buf[2] = 0x01;
+ esd_buf[3] = 0x01;
+ esd_buf[4] = 0x01;
+ gtp_i2c_write_no_rst(ts->client, esd_buf, 5);
+ msleep(50);
+ gtp_reset_guitar(ts->client, 50);
+ msleep(50);
+ gtp_send_cfg(ts->client);
+ }
+
+ queue_delayed_work(gtp_esd_check_workqueue, >p_esd_check_work, ts->clk_tick_cnt);
+}
+#endif
+
+static const struct i2c_device_id goodix_ts_id[] = {
+ { GTP_I2C_NAME, 0 },
+ { }
+};
+
+static const struct of_device_id goodix_ts_dt_ids[] = {
+ { .compatible = "goodix,gt9xx" },
+ { }
+};
+
+static struct i2c_driver goodix_ts_driver = {
+ .probe = goodix_ts_probe,
+ .remove = goodix_ts_remove,
+ .id_table = goodix_ts_id,
+ .driver = {
+ .name = GTP_I2C_NAME,
+ .of_match_table = of_match_ptr(goodix_ts_dt_ids),
+ },
+};
+
+/*******************************************************
+ *Function:
+ * Driver Install function.
+ *Input:
+ * None.
+ *Output:
+ * Executive Outcomes. 0---succeed.
+ *********************************************************/
+static int goodix_ts_init(void)
+{
+ goodix_wq = create_singlethread_workqueue("goodix_wq");
+ if (!goodix_wq)
+ return -ENOMEM;
+
+#if GTP_ESD_PROTECT
+ INIT_DELAYED_WORK(>p_esd_check_work, gtp_esd_check_func);
+ gtp_esd_check_workqueue = create_workqueue("gtp_esd_check");
+#endif
+ return i2c_add_driver(&goodix_ts_driver);
+
+}
+
+/*******************************************************
+ *Function:
+ * Driver uninstall function.
+ *Input:
+ * None.
+ *Output:
+ * Executive Outcomes. 0---succeed.
+ ********************************************************/
+static void goodix_ts_exit(void)
+{
+ i2c_del_driver(&goodix_ts_driver);
+ if (goodix_wq)
+ destroy_workqueue(goodix_wq);
+}
+
+module_init(goodix_ts_init);
+module_exit(goodix_ts_exit);
+
+MODULE_DESCRIPTION("GTP Series Driver");
+MODULE_LICENSE("GPL");
projects / platform / kernel / linux-starfive.git / commitdiff