^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* drivers/input/touchscreen/gt1x.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * 2010 - 2014 Goodix Technology.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * This program is free software; you can redistribute it and/or modify
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * it under the terms of the GNU General Public License as published by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * the Free Software Foundation; either version 2 of the License, or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * (at your option) any later version.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * This program is distributed in the hope that it will be a reference
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * to you, when you are integrating the GOODiX's CTP IC into your system,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * but WITHOUT ANY WARRANTY; without even the implied warranty of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) * General Public License for more details.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) * Version: 1.4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) * Release Date: 2015/07/10
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/irq.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include "gt1x.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <linux/input/mt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) static struct work_struct gt1x_work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) static struct input_dev *input_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) static struct workqueue_struct *gt1x_wq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) static const char *gt1x_ts_name = "goodix-ts";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) static const char *input_dev_phys = "input/ts";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #ifdef CONFIG_PM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) static const struct dev_pm_ops gt1x_ts_pm_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #ifdef GTP_CONFIG_OF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) bool gt1x_gt5688;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) int gt1x_rst_gpio;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) int gt1x_int_gpio;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) static int gt1x_register_powermanger(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) static int gt1x_unregister_powermanger(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) * gt1x_i2c_write - i2c write.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) * @addr: register address.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) * @buffer: data buffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) * @len: the bytes of data to write.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) *Return: 0: success, otherwise: failed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) s32 gt1x_i2c_write(u16 addr, u8 *buffer, s32 len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) struct i2c_msg msg = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) .flags = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) .addr = gt1x_i2c_client->addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) return _do_i2c_write(&msg, addr, buffer, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) * gt1x_i2c_read - i2c read.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) * @addr: register address.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) * @buffer: data buffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) * @len: the bytes of data to write.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) *Return: 0: success, otherwise: failed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) s32 gt1x_i2c_read(u16 addr, u8 *buffer, s32 len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) u8 addr_buf[GTP_ADDR_LENGTH] = { (addr >> 8) & 0xFF, addr & 0xFF };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) struct i2c_msg msgs[2] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) .addr = gt1x_i2c_client->addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) .flags = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) .buf = addr_buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) .len = GTP_ADDR_LENGTH},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) .addr = gt1x_i2c_client->addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) .flags = I2C_M_RD}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) return _do_i2c_read(msgs, addr, buffer, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) static spinlock_t irq_lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) static s32 irq_is_disable;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) * gt1x_irq_enable - enable irq function.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) void gt1x_irq_enable(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) unsigned long irqflags = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) GTP_DEBUG_FUNC();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) spin_lock_irqsave(&irq_lock, irqflags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) if (irq_is_disable) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) enable_irq(gt1x_i2c_client->irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) irq_is_disable = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) spin_unlock_irqrestore(&irq_lock, irqflags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) * gt1x_irq_enable - disable irq function.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) void gt1x_irq_disable(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) unsigned long irqflags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) GTP_DEBUG_FUNC();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) spin_lock_irqsave(&irq_lock, irqflags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) if (!irq_is_disable) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) irq_is_disable = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) disable_irq_nosync(gt1x_i2c_client->irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) spin_unlock_irqrestore(&irq_lock, irqflags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) #ifndef GTP_CONFIG_OF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) int gt1x_power_switch(s32 state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) int gt1x_debug_proc(u8 *buf, int count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) #if GTP_CHARGER_SWITCH
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) u32 gt1x_get_charger_status(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) #error Need to get charger status of your platform.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) * gt1x_ts_irq_handler - External interrupt service routine for interrupt mode.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) * @irq: interrupt number.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) * @dev_id: private data pointer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) * Return: Handle Result.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) * IRQ_HANDLED: interrupt handled successfully
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) static irqreturn_t gt1x_ts_irq_handler(int irq, void *dev_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) GTP_DEBUG_FUNC();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) gt1x_irq_disable();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) queue_work(gt1x_wq, >1x_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) return IRQ_HANDLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) * gt1x_touch_down - Report touch point event .
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) * @id: trackId
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) * @x: input x coordinate
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) * @y: input y coordinate
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) * @w: input pressure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) * Return: none.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) void gt1x_touch_down(s32 x, s32 y, s32 size, s32 id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) #if GTP_CHANGE_X2Y
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) GTP_SWAP(x, y);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) if (gt1x_ics_slot_report) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) input_mt_slot(input_dev, id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) input_report_abs(input_dev, ABS_MT_PRESSURE, size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) input_report_abs(input_dev, ABS_MT_TOUCH_MAJOR, size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) input_report_abs(input_dev, ABS_MT_TRACKING_ID, id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) input_report_abs(input_dev, ABS_MT_POSITION_X, x);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) input_report_abs(input_dev, ABS_MT_POSITION_Y, y);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) input_report_key(input_dev, BTN_TOUCH, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) if ((!size) && (!id)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) /* for virtual button */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) input_report_abs(input_dev, ABS_MT_PRESSURE, 100);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) input_report_abs(input_dev, ABS_MT_TOUCH_MAJOR, 100);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) input_report_abs(input_dev, ABS_MT_PRESSURE, size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) input_report_abs(input_dev, ABS_MT_TOUCH_MAJOR, size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) input_report_abs(input_dev, ABS_MT_TRACKING_ID, id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) input_report_abs(input_dev, ABS_MT_POSITION_X, x);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) input_report_abs(input_dev, ABS_MT_POSITION_Y, y);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) input_mt_sync(input_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) * gt1x_touch_up - Report touch release event.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) * @id: trackId
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) * Return: none.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) void gt1x_touch_up(s32 id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) if (gt1x_ics_slot_report) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) input_mt_slot(input_dev, id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) input_report_abs(input_dev, ABS_MT_TRACKING_ID, -1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) input_report_key(input_dev, BTN_TOUCH, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) input_mt_sync(input_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) * gt1x_ts_work_func - Goodix touchscreen work function.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) * @iwork: work struct of gt1x_workqueue.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) * Return: none.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) static void gt1x_ts_work_func(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) u8 end_cmd = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) u8 finger = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) s32 ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) u8 point_data[11] = { 0 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) if (update_info.status) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) GTP_DEBUG("Ignore interrupts during fw update.");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) #if GTP_GESTURE_WAKEUP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) ret = gesture_event_handler(input_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) if (ret >= 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) goto exit_work_func;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) if (gt1x_halt) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) GTP_DEBUG("Ignore interrupts after suspend...");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) ret = gt1x_i2c_read(GTP_READ_COOR_ADDR, point_data, sizeof(point_data));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) GTP_ERROR("I2C transfer error!");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) #if !GTP_ESD_PROTECT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) gt1x_power_reset();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) goto exit_work_func;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) finger = point_data[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) if (finger == 0x00) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) gt1x_request_event_handler();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) if ((finger & 0x80) == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) #if HOTKNOT_BLOCK_RW
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) if (!hotknot_paired_flag)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) /*GTP_ERROR("buffer not ready:0x%02x", finger);*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) goto exit_eint;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) #if HOTKNOT_BLOCK_RW
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) ret = hotknot_event_handler(point_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) if (!ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) goto exit_work_func;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) #if GTP_PROXIMITY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) ret = gt1x_prox_event_handler(point_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) if (ret > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) goto exit_work_func;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) #if GTP_WITH_STYLUS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) ret = gt1x_touch_event_handler(point_data, input_dev, pen_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) ret = gt1x_touch_event_handler(point_data, input_dev, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) exit_work_func:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) if (!gt1x_rawdiff_mode && (ret >= 0 || ret == ERROR_VALUE)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) ret = gt1x_i2c_write(GTP_READ_COOR_ADDR, &end_cmd, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) GTP_ERROR("I2C write end_cmd error!");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) exit_eint:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) gt1x_irq_enable();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) * Devices Tree support,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) #ifdef GTP_CONFIG_OF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) static struct regulator *vdd_ana;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) * gt1x_parse_dt - parse platform infomation form devices tree.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) static int gt1x_parse_dt(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) struct device_node *np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) const char *tp_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) #ifdef CONFIG_PM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) struct device_node *root;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) const char *machine_compatible;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) if (!dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) np = dev->of_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) if (!of_property_read_string(np, "goodix,ic_type", &tp_type)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) GTP_INFO("GTP ic_type: %s", tp_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) if (strstr(tp_type, "gt5688"))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) gt1x_gt5688 = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) gt1x_int_gpio = of_get_named_gpio(np, "goodix,irq-gpio", 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) gt1x_rst_gpio = of_get_named_gpio(np, "goodix,rst-gpio", 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) if (!gpio_is_valid(gt1x_int_gpio) || !gpio_is_valid(gt1x_rst_gpio)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) GTP_ERROR("Invalid GPIO, irq-gpio:%d, rst-gpio:%d",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) gt1x_int_gpio, gt1x_rst_gpio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) vdd_ana = devm_regulator_get_optional(dev, "vdd_ana");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) if (PTR_ERR(vdd_ana) == -ENODEV) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) GTP_ERROR("vdd_ana not specified, fallback to power-supply");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) vdd_ana = devm_regulator_get_optional(dev, "power");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) if (PTR_ERR(vdd_ana) == -ENODEV) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) GTP_ERROR("power not specified, ignore power ctrl");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) vdd_ana = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) if (IS_ERR(vdd_ana)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) GTP_ERROR("regulator get of vdd_ana/power-supply failed");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) return PTR_ERR(vdd_ana);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) gt1x_ics_slot_report = of_property_read_bool(dev->of_node, "gtp_ics_slot_report");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) #ifdef CONFIG_PM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) root = of_find_node_by_path("/");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) if (root) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) machine_compatible = of_get_property(root, "compatible", NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) of_node_put(root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) if (strstr(machine_compatible, "linux"))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) dev->driver->pm = >1x_ts_pm_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) * gt1x_power_switch - power switch .
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) * @on: 1-switch on, 0-switch off.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) * return: 0-succeed, -1-faileds
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) int gt1x_power_switch(int on)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) struct i2c_client *client = gt1x_i2c_client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) if (!client || !vdd_ana)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) if (on) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) GTP_DEBUG("GTP power on.");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) ret = regulator_enable(vdd_ana);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) GTP_DEBUG("GTP power off.");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) ret = regulator_disable(vdd_ana);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) static void gt1x_remove_gpio_and_power(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) if (gpio_is_valid(gt1x_int_gpio))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) gpio_free(gt1x_int_gpio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) if (gpio_is_valid(gt1x_rst_gpio))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) gpio_free(gt1x_rst_gpio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) if (gt1x_i2c_client && gt1x_i2c_client->irq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) free_irq(gt1x_i2c_client->irq, gt1x_i2c_client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) * gt1x_request_io_port - Request gpio(INT & RST) ports.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) static s32 gt1x_request_io_port(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) s32 ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) GTP_DEBUG_FUNC();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) ret = gpio_request(GTP_INT_PORT, "GTP_INT_IRQ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) GTP_ERROR("Failed to request GPIO:%d, ERRNO:%d", (s32) GTP_INT_PORT, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) GTP_GPIO_AS_INT(GTP_INT_PORT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) gt1x_i2c_client->irq = GTP_INT_IRQ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) ret = gpio_request(GTP_RST_PORT, "GTP_RST_PORT");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) GTP_ERROR("Failed to request GPIO:%d, ERRNO:%d", (s32) GTP_RST_PORT, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) gpio_free(GTP_INT_PORT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) GTP_GPIO_AS_INPUT(GTP_RST_PORT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) * gt1x_request_irq - Request interrupt.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) * Return
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) * 0: succeed, -1: failed.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) static s32 gt1x_request_irq(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) s32 ret = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) const u8 irq_table[] = GTP_IRQ_TAB;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) GTP_DEBUG_FUNC();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) GTP_DEBUG("INT trigger type:%x", gt1x_int_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) ret = request_irq(gt1x_i2c_client->irq, gt1x_ts_irq_handler, irq_table[gt1x_int_type], gt1x_i2c_client->name, gt1x_i2c_client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) GTP_ERROR("Request IRQ failed!ERRNO:%d.", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) GTP_GPIO_AS_INPUT(GTP_INT_PORT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) gpio_free(GTP_INT_PORT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) gt1x_irq_disable();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) * gt1x_request_input_dev - Request input device Function.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) * Return
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) * 0: succeed, -1: failed.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) static s8 gt1x_request_input_dev(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) s8 ret = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) #if GTP_HAVE_TOUCH_KEY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) u8 index = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) GTP_DEBUG_FUNC();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) input_dev = input_allocate_device();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) if (input_dev == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) GTP_ERROR("Failed to allocate input device.");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) input_dev->evbit[0] = BIT_MASK(EV_SYN) | BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) if (gt1x_ics_slot_report) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) #if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 7, 0))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) input_mt_init_slots(input_dev, 16, INPUT_MT_DIRECT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) input_mt_init_slots(input_dev, 16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) input_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) #if GTP_HAVE_TOUCH_KEY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) for (index = 0; index < GTP_MAX_KEY_NUM; index++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) input_set_capability(input_dev, EV_KEY, gt1x_touch_key_array[index]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) #if GTP_GESTURE_WAKEUP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) input_set_capability(input_dev, EV_KEY, KEY_GES_REGULAR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) input_set_capability(input_dev, EV_KEY, KEY_GES_CUSTOM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) #if GTP_CHANGE_X2Y
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) input_set_abs_params(input_dev, ABS_MT_POSITION_X, 0, gt1x_abs_y_max, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) input_set_abs_params(input_dev, ABS_MT_POSITION_Y, 0, gt1x_abs_x_max, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) input_set_abs_params(input_dev, ABS_MT_POSITION_X, 0, gt1x_abs_x_max, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) input_set_abs_params(input_dev, ABS_MT_POSITION_Y, 0, gt1x_abs_y_max, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) input_set_abs_params(input_dev, ABS_MT_PRESSURE, 0, 255, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, 255, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) input_set_abs_params(input_dev, ABS_MT_TRACKING_ID, 0, 255, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) input_set_abs_params(input_dev, ABS_X, 0, 255, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) input_set_abs_params(input_dev, ABS_Y, 0, 255, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) input_dev->name = gt1x_ts_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) input_dev->phys = input_dev_phys;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) input_dev->id.bustype = BUS_I2C;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) input_dev->id.vendor = 0xDEAD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) input_dev->id.product = 0xBEEF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) input_dev->id.version = 10427;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) ret = input_register_device(input_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) GTP_ERROR("Register %s input device failed", input_dev->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) * gt1x_ts_probe - I2c probe.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) * @client: i2c device struct.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) * @id: device id.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) * Return 0: succeed, -1: failed.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) static int gt1x_ts_probe(struct i2c_client *client, const struct i2c_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) s32 ret = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) #if GTP_AUTO_UPDATE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) struct task_struct *thread = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) /*do NOT remove these logs*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) GTP_INFO("GTP Driver Version: %s", GTP_DRIVER_VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) GTP_INFO("GTP I2C Address: 0x%02x", client->addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) gt1x_i2c_client = client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) spin_lock_init(&irq_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) GTP_ERROR("I2C check functionality failed.");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) #ifdef GTP_CONFIG_OF /* device tree support */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) if (client->dev.of_node) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) ret = gt1x_parse_dt(&client->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) ret = gt1x_request_io_port();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) GTP_ERROR("GTP request IO port failed.");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) ret = gt1x_init();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) if (ret != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) GTP_ERROR("GTP init failed!!!");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) gt1x_wq = create_singlethread_workqueue("gt1x_wq");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) if (!gt1x_wq) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) GTP_ERROR("Creat workqueue failed.");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) INIT_WORK(>1x_work, gt1x_ts_work_func);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) ret = gt1x_request_input_dev();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) GTP_ERROR("GTP request input dev failed");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) ret = gt1x_request_irq();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) GTP_DEBUG("GTP works in polling mode.");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) GTP_DEBUG("GTP works in interrupt mode.");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) #if GTP_GESTURE_WAKEUP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) enable_irq_wake(client->irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) gt1x_irq_enable();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) #if GTP_ESD_PROTECT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) /*must before auto update*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) gt1x_init_esd_protect();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) gt1x_esd_switch(SWITCH_ON);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) #if GTP_AUTO_UPDATE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) thread = kthread_run(gt1x_auto_update_proc, (void *)NULL, "gt1x_auto_update");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) if (IS_ERR(thread)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) ret = PTR_ERR(thread);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) GTP_ERROR("Failed to create auto-update thread: %d.", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) gt1x_register_powermanger();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) * gt1x_ts_remove - Goodix touchscreen driver release function.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) * @client: i2c device struct.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) * Return 0: succeed, -1: failed.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) static int gt1x_ts_remove(struct i2c_client *client)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) GTP_DEBUG_FUNC();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) GTP_DEBUG("GTP driver removing...");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) gt1x_unregister_powermanger();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) #if GTP_GESTURE_WAKEUP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) disable_irq_wake(client->irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) gt1x_deinit();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) input_unregister_device(input_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) gt1x_remove_gpio_and_power();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) if (gt1x_wq) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) destroy_workqueue(gt1x_wq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) #if defined(CONFIG_FB)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) /* frame buffer notifier block control the suspend/resume procedure */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) static struct notifier_block gt1x_fb_notifier;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) static int tp_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) static int gtp_fb_notifier_callback(struct notifier_block *noti, unsigned long event, void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) struct fb_event *ev_data = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) int *blank;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) #if GTP_INCELL_PANEL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) #ifndef FB_EARLY_EVENT_BLANK
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) #error Need add FB_EARLY_EVENT_BLANK to fbmem.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) if (ev_data && ev_data->data && event == FB_EARLY_EVENT_BLANK
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) && tp_status != FB_BLANK_UNBLANK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) blank = ev_data->data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) if (*blank == FB_BLANK_UNBLANK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) tp_status = *blank;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) GTP_DEBUG("Resume by fb notifier.");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) gt1x_resume();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) if (ev_data && ev_data->data && event == FB_EVENT_BLANK
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) && tp_status != FB_BLANK_UNBLANK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) blank = ev_data->data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) if (*blank == FB_BLANK_UNBLANK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) tp_status = *blank;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) GTP_DEBUG("Resume by fb notifier.");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) gt1x_resume();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) if (ev_data && ev_data->data && event == FB_EVENT_BLANK
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) && tp_status == FB_BLANK_UNBLANK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) blank = ev_data->data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) if (*blank == FB_BLANK_POWERDOWN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) tp_status = *blank;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) GTP_DEBUG("Suspend by fb notifier.");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) gt1x_suspend();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) #elif defined(CONFIG_HAS_EARLYSUSPEND)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) /* earlysuspend module the suspend/resume procedure */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) static void gt1x_ts_early_suspend(struct early_suspend *h)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) gt1x_suspend();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) static void gt1x_ts_late_resume(struct early_suspend *h)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) gt1x_resume();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) static struct early_suspend gt1x_early_suspend = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) .level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN + 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) .suspend = gt1x_ts_early_suspend,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) .resume = gt1x_ts_late_resume,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) #ifdef CONFIG_PM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) * gt1x_ts_suspend - i2c suspend callback function.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) * @dev: i2c device.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) * Return 0: succeed, -1: failed.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) static int gt1x_pm_suspend(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) return gt1x_suspend();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) * gt1x_ts_resume - i2c resume callback function.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) * @dev: i2c device.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) * Return 0: succeed, -1: failed.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) static int gt1x_pm_resume(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) return gt1x_resume();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) /* bus control the suspend/resume procedure */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) static const struct dev_pm_ops gt1x_ts_pm_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) .suspend = gt1x_pm_suspend,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) .resume = gt1x_pm_resume,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) static int gt1x_register_powermanger(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) #if defined(CONFIG_FB)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) tp_status = FB_BLANK_UNBLANK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) gt1x_fb_notifier.notifier_call = gtp_fb_notifier_callback;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) fb_register_client(>1x_fb_notifier);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) #elif defined(CONFIG_HAS_EARLYSUSPEND)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) register_early_suspend(>1x_early_suspend);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) static int gt1x_unregister_powermanger(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) #if defined(CONFIG_FB)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) fb_unregister_client(>1x_fb_notifier);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) #elif defined(CONFIG_HAS_EARLYSUSPEND)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) unregister_early_suspend(>1x_early_suspend);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) #ifdef GTP_CONFIG_OF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) static const struct of_device_id gt1x_match_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) {.compatible = "goodix,gt1x",},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757) { },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) static const struct i2c_device_id gt1x_ts_id[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) {GTP_I2C_NAME, 0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) static struct i2c_driver gt1x_ts_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) .probe = gt1x_ts_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) .remove = gt1x_ts_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769) .id_table = gt1x_ts_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) .name = GTP_I2C_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772) #ifdef GTP_CONFIG_OF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773) .of_match_table = gt1x_match_table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) #if !defined(CONFIG_FB) && defined(CONFIG_PM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776) .pm = >1x_ts_pm_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778) .probe_type = PROBE_PREFER_ASYNCHRONOUS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) * gt1x_ts_init - Driver Install function.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) * Return 0---succeed.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786) static int __init gt1x_ts_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788) GTP_DEBUG_FUNC();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) GTP_DEBUG("GTP driver installing...");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) return i2c_add_driver(>1x_ts_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) * gt1x_ts_exit - Driver uninstall function.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) * Return 0---succeed.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) static void __exit gt1x_ts_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) GTP_DEBUG_FUNC();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801) GTP_DEBUG("GTP driver exited.");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802) i2c_del_driver(>1x_ts_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) module_init(gt1x_ts_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806) module_exit(gt1x_ts_exit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) MODULE_DESCRIPTION("GTP Series Driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810) MODULE_IMPORT_NS(VFS_internal_I_am_really_a_filesystem_and_am_NOT_a_driver);