/* drivers/input/touchscreen/gt9xx.c
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*
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* 2010 - 2013 Goodix Technology.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be a reference
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* to you, when you are integrating the GOODiX's CTP IC into your system,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* Version: 2.2
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* Authors: andrew@goodix.com, meta@goodix.com
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* Release Date: 2014/01/14
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* Revision record:
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* V1.0:
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* first Release. By Andrew, 2012/08/31
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* V1.2:
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* modify gtp_reset_guitar,slot report,tracking_id & 0x0F. By Andrew, 2012/10/15
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* V1.4:
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* modify gt9xx_update.c. By Andrew, 2012/12/12
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* V1.6:
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* 1. new heartbeat/esd_protect mechanism(add external watchdog)
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* 2. doze mode, sliding wakeup
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* 3. 3 more cfg_group(GT9 Sensor_ID: 0~5)
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* 3. config length verification
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* 4. names & comments
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* By Meta, 2013/03/11
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* V1.8:
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* 1. pen/stylus identification
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* 2. read double check & fixed config support
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* 3. new esd & slide wakeup optimization
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* By Meta, 2013/06/08
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* V2.0:
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* 1. compatible with GT9XXF
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* 2. send config after resume
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* By Meta, 2013/08/06
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* V2.2:
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* 1. gt9xx_config for debug
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* 2. gesture wakeup
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* 3. pen separate input device, active-pen button support
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* 4. coordinates & keys optimization
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* By Meta, 2014/01/14
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*/
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#include <linux/irq.h>
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#include "gt9xx.h"
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#include "gt9xx_cfg.h"
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#include <linux/regulator/consumer.h>
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#if GTP_ICS_SLOT_REPORT
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#include <linux/input/mt.h>
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#endif
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static u8 m89or101 = TRUE;
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static u8 bgt911 = FALSE;
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static u8 bgt9110 = FALSE;
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static u8 bgt9111 = FALSE;
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static u8 bgt970 = FALSE;
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static u8 bgt910 = FALSE;
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static u8 gtp_change_x2y = TRUE;
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static u8 gtp_x_reverse = FALSE;
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static u8 gtp_y_reverse = TRUE;
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static const char *goodix_ts_name = "goodix-ts";
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static struct workqueue_struct *goodix_wq;
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struct i2c_client * i2c_connect_client = NULL;
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u8 config[GTP_CONFIG_MAX_LENGTH + GTP_ADDR_LENGTH]
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= {GTP_REG_CONFIG_DATA >> 8, GTP_REG_CONFIG_DATA & 0xff};
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#if GTP_HAVE_TOUCH_KEY
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static const u16 touch_key_array[] = GTP_KEY_TAB;
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#define GTP_MAX_KEY_NUM (sizeof(touch_key_array)/sizeof(touch_key_array[0]))
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#if GTP_DEBUG_ON
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static const int key_codes[] = {KEY_HOME, KEY_BACK, KEY_MENU, KEY_SEARCH};
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static const char *key_names[] = {"Key_Home", "Key_Back", "Key_Menu", "Key_Search"};
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#endif
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#endif
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static s8 gtp_i2c_test(struct i2c_client *client);
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void gtp_reset_guitar(struct i2c_client *client, s32 ms);
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s32 gtp_send_cfg(struct i2c_client *client);
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void gtp_int_sync(s32 ms, struct goodix_ts_data *ts);
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static ssize_t gt91xx_config_read_proc(struct file *, char __user *, size_t, loff_t *);
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static ssize_t gt91xx_config_write_proc(struct file *, const char __user *, size_t, loff_t *);
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static struct proc_dir_entry *gt91xx_config_proc = NULL;
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static const struct file_operations config_proc_ops = {
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.owner = THIS_MODULE,
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.read = gt91xx_config_read_proc,
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.write = gt91xx_config_write_proc,
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};
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#if GTP_CREATE_WR_NODE
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extern s32 init_wr_node(struct i2c_client*);
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extern void uninit_wr_node(void);
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#endif
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#if GTP_AUTO_UPDATE
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extern u8 gup_init_update_proc(struct goodix_ts_data *);
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#endif
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#if GTP_ESD_PROTECT
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static struct delayed_work gtp_esd_check_work;
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static struct workqueue_struct * gtp_esd_check_workqueue = NULL;
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static void gtp_esd_check_func(struct work_struct *);
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static s32 gtp_init_ext_watchdog(struct i2c_client *client);
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void gtp_esd_switch(struct i2c_client *, s32);
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#endif
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//*********** For GT9XXF Start **********//
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#if GTP_COMPATIBLE_MODE
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extern s32 i2c_read_bytes(struct i2c_client *client, u16 addr, u8 *buf, s32 len);
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extern s32 i2c_write_bytes(struct i2c_client *client, u16 addr, u8 *buf, s32 len);
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extern s32 gup_clk_calibration(void);
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extern s32 gup_fw_download_proc(void *dir, u8 dwn_mode);
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extern u8 gup_check_fs_mounted(char *path_name);
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void gtp_recovery_reset(struct i2c_client *client);
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static s32 gtp_esd_recovery(struct i2c_client *client);
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s32 gtp_fw_startup(struct i2c_client *client);
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static s32 gtp_main_clk_proc(struct goodix_ts_data *ts);
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static s32 gtp_bak_ref_proc(struct goodix_ts_data *ts, u8 mode);
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#endif
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//********** For GT9XXF End **********//
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#if GTP_GESTURE_WAKEUP
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typedef enum
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{
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DOZE_DISABLED = 0,
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DOZE_ENABLED = 1,
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DOZE_WAKEUP = 2,
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}DOZE_T;
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static DOZE_T doze_status = DOZE_DISABLED;
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static s8 gtp_enter_doze(struct goodix_ts_data *ts);
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#endif
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u8 grp_cfg_version = 0;
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/*******************************************************
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Function:
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Read data from the i2c slave device.
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Input:
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client: i2c device.
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buf[0~1]: read start address.
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buf[2~len-1]: read data buffer.
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len: GTP_ADDR_LENGTH + read bytes count
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Output:
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numbers of i2c_msgs to transfer:
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2: succeed, otherwise: failed
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*********************************************************/
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s32 gtp_i2c_read(struct i2c_client *client, u8 *buf, s32 len)
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{
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struct i2c_msg msgs[2];
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s32 ret=-1;
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s32 retries = 0;
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GTP_DEBUG_FUNC();
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msgs[0].flags = !I2C_M_RD;
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msgs[0].addr = client->addr;
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msgs[0].len = GTP_ADDR_LENGTH;
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msgs[0].buf = &buf[0];
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#ifdef CONFIG_I2C_ROCKCHIP_COMPAT
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msgs[0].scl_rate=200 * 1000;
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//msgs[0].scl_rate = 300 * 1000; // for Rockchip, etc.
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#endif
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msgs[1].flags = I2C_M_RD;
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msgs[1].addr = client->addr;
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msgs[1].len = len - GTP_ADDR_LENGTH;
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msgs[1].buf = &buf[GTP_ADDR_LENGTH];
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#ifdef CONFIG_I2C_ROCKCHIP_COMPAT
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msgs[1].scl_rate=200 * 1000;
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//msgs[1].scl_rate = 300 * 1000; // for Rockchip, etc.
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#endif
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while(retries < 5)
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{
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ret = i2c_transfer(client->adapter, msgs, 2);
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if(ret == 2)break;
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retries++;
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}
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if((retries >= 5))
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{
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#if GTP_COMPATIBLE_MODE
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struct goodix_ts_data *ts = i2c_get_clientdata(client);
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#endif
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#if GTP_GESTURE_WAKEUP
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// reset chip would quit doze mode
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if (DOZE_ENABLED == doze_status)
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{
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return ret;
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}
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#endif
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GTP_ERROR("I2C Read: 0x%04X, %d bytes failed, errcode: %d! Process reset.", (((u16)(buf[0] << 8)) | buf[1]), len-2, ret);
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#if GTP_COMPATIBLE_MODE
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if (CHIP_TYPE_GT9F == ts->chip_type)
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{
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gtp_recovery_reset(client);
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}
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else
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#endif
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{
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gtp_reset_guitar(client, 10);
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}
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}
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return ret;
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}
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/*******************************************************
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Function:
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Write data to the i2c slave device.
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Input:
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client: i2c device.
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buf[0~1]: write start address.
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buf[2~len-1]: data buffer
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len: GTP_ADDR_LENGTH + write bytes count
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Output:
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numbers of i2c_msgs to transfer:
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1: succeed, otherwise: failed
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*********************************************************/
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s32 gtp_i2c_write(struct i2c_client *client,u8 *buf,s32 len)
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{
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struct i2c_msg msg;
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s32 ret = -1;
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s32 retries = 0;
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GTP_DEBUG_FUNC();
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msg.flags = !I2C_M_RD;
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msg.addr = client->addr;
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msg.len = len;
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msg.buf = buf;
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#ifdef CONFIG_I2C_ROCKCHIP_COMPAT
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msg.scl_rate=200 * 1000;
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//msg.scl_rate = 300 * 1000; // for Rockchip, etc
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#endif
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while(retries < 5)
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{
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ret = i2c_transfer(client->adapter, &msg, 1);
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if (ret == 1)break;
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retries++;
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}
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if((retries >= 5))
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{
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#if GTP_COMPATIBLE_MODE
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struct goodix_ts_data *ts = i2c_get_clientdata(client);
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#endif
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#if GTP_GESTURE_WAKEUP
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if (DOZE_ENABLED == doze_status)
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{
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return ret;
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}
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#endif
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GTP_ERROR("I2C Write: 0x%04X, %d bytes failed, errcode: %d! Process reset.", (((u16)(buf[0] << 8)) | buf[1]), len-2, ret);
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#if GTP_COMPATIBLE_MODE
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if (CHIP_TYPE_GT9F == ts->chip_type)
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{
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gtp_recovery_reset(client);
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}
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else
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#endif
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{
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gtp_reset_guitar(client, 10);
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}
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}
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return ret;
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}
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/*******************************************************
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Function:
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i2c read twice, compare the results
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Input:
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client: i2c device
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addr: operate address
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rxbuf: read data to store, if compare successful
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len: bytes to read
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Output:
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FAIL: read failed
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SUCCESS: read successful
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*********************************************************/
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s32 gtp_i2c_read_dbl_check(struct i2c_client *client, u16 addr, u8 *rxbuf, int len)
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{
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u8 buf[16] = {0};
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u8 confirm_buf[16] = {0};
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u8 retry = 0;
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while (retry++ < 3)
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{
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memset(buf, 0xAA, 16);
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buf[0] = (u8)(addr >> 8);
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buf[1] = (u8)(addr & 0xFF);
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gtp_i2c_read(client, buf, len + 2);
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memset(confirm_buf, 0xAB, 16);
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confirm_buf[0] = (u8)(addr >> 8);
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confirm_buf[1] = (u8)(addr & 0xFF);
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gtp_i2c_read(client, confirm_buf, len + 2);
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if (!memcmp(buf, confirm_buf, len+2))
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{
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memcpy(rxbuf, confirm_buf+2, len);
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return SUCCESS;
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}
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}
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GTP_ERROR("I2C read 0x%04X, %d bytes, double check failed!", addr, len);
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return FAIL;
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}
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/*******************************************************
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Function:
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Send config.
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Input:
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client: i2c device.
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Output:
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result of i2c write operation.
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1: succeed, otherwise: failed
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*********************************************************/
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s32 gtp_send_cfg(struct i2c_client *client)
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{
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s32 ret = 2;
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#if GTP_DRIVER_SEND_CFG
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s32 retry = 0;
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struct goodix_ts_data *ts = i2c_get_clientdata(client);
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if (ts->fixed_cfg)
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{
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GTP_INFO("Ic fixed config, no config sent!");
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return 0;
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}
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else if (ts->pnl_init_error)
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{
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GTP_INFO("Error occured in init_panel, no config sent");
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return 0;
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}
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GTP_INFO("Driver send config.");
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for (retry = 0; retry < 5; retry++)
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{
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ret = gtp_i2c_write(client, config , GTP_CONFIG_MAX_LENGTH + GTP_ADDR_LENGTH);
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if (ret > 0)
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{
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break;
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}
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}
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#endif
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return ret;
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}
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/*******************************************************
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Function:
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Disable irq function
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Input:
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ts: goodix i2c_client private data
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Output:
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None.
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*********************************************************/
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void gtp_irq_disable(struct goodix_ts_data *ts)
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{
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unsigned long irqflags;
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GTP_DEBUG_FUNC();
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spin_lock_irqsave(&ts->irq_lock, irqflags);
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if (!ts->irq_is_disable)
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{
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ts->irq_is_disable = 1;
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disable_irq_nosync(ts->client->irq);
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}
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spin_unlock_irqrestore(&ts->irq_lock, irqflags);
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}
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/*******************************************************
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Function:
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Enable irq function
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Input:
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ts: goodix i2c_client private data
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Output:
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None.
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*********************************************************/
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void gtp_irq_enable(struct goodix_ts_data *ts)
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{
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unsigned long irqflags = 0;
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GTP_DEBUG_FUNC();
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spin_lock_irqsave(&ts->irq_lock, irqflags);
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if (ts->irq_is_disable)
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{
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enable_irq(ts->client->irq);
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ts->irq_is_disable = 0;
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}
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spin_unlock_irqrestore(&ts->irq_lock, irqflags);
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}
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/*******************************************************
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Function:
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Report touch point event
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Input:
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ts: goodix i2c_client private data
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id: trackId
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x: input x coordinate
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y: input y coordinate
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w: input pressure
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Output:
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None.
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*********************************************************/
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static void gtp_touch_down(struct goodix_ts_data* ts,s32 id,s32 x,s32 y,s32 w)
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{
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if (gtp_change_x2y)
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GTP_SWAP(x, y);
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if (!bgt911 && !bgt970) {
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if (gtp_x_reverse)
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x = ts->abs_x_max - x;
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if (gtp_y_reverse)
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y = ts->abs_y_max - y;
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}
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#if GTP_ICS_SLOT_REPORT
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input_mt_slot(ts->input_dev, id);
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input_report_abs(ts->input_dev, ABS_MT_TRACKING_ID, id);
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input_report_abs(ts->input_dev, ABS_MT_POSITION_X, x);
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input_report_abs(ts->input_dev, ABS_MT_POSITION_Y, y);
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input_report_abs(ts->input_dev, ABS_MT_TOUCH_MAJOR, w);
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input_report_abs(ts->input_dev, ABS_MT_WIDTH_MAJOR, w);
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#else
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input_report_key(ts->input_dev, BTN_TOUCH, 1);
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input_report_abs(ts->input_dev, ABS_MT_POSITION_X, x);
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input_report_abs(ts->input_dev, ABS_MT_POSITION_Y, y);
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input_report_abs(ts->input_dev, ABS_MT_TOUCH_MAJOR, w);
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input_report_abs(ts->input_dev, ABS_MT_WIDTH_MAJOR, w);
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input_report_abs(ts->input_dev, ABS_MT_TRACKING_ID, id);
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input_mt_sync(ts->input_dev);
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#endif
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GTP_DEBUG("ID:%d, X:%d, Y:%d, W:%d", id, x, y, w);
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}
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/*******************************************************
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Function:
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Report touch release event
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Input:
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ts: goodix i2c_client private data
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Output:
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None.
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*********************************************************/
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static void gtp_touch_up(struct goodix_ts_data* ts, s32 id)
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{
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#if GTP_ICS_SLOT_REPORT
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input_mt_slot(ts->input_dev, id);
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input_report_abs(ts->input_dev, ABS_MT_TRACKING_ID, -1);
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GTP_DEBUG("Touch id[%2d] release!", id);
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#else
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input_report_key(ts->input_dev, BTN_TOUCH, 0);
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#endif
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}
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#if GTP_WITH_PEN
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static void gtp_pen_init(struct goodix_ts_data *ts)
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{
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s32 ret = 0;
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GTP_INFO("Request input device for pen/stylus.");
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ts->pen_dev = input_allocate_device();
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if (ts->pen_dev == NULL)
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{
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GTP_ERROR("Failed to allocate input device for pen/stylus.");
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return;
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}
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ts->pen_dev->evbit[0] = BIT_MASK(EV_SYN) | BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS) ;
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#if GTP_ICS_SLOT_REPORT
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input_mt_init_slots(ts->pen_dev, 16, INPUT_MT_DIRECT | INPUT_MT_DROP_UNUSED);
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#else
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ts->pen_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
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#endif
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set_bit(BTN_TOOL_PEN, ts->pen_dev->keybit);
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set_bit(INPUT_PROP_DIRECT, ts->pen_dev->propbit);
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//set_bit(INPUT_PROP_POINTER, ts->pen_dev->propbit);
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#if GTP_PEN_HAVE_BUTTON
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input_set_capability(ts->pen_dev, EV_KEY, BTN_STYLUS);
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input_set_capability(ts->pen_dev, EV_KEY, BTN_STYLUS2);
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#endif
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input_set_abs_params(ts->pen_dev, ABS_MT_POSITION_X, 0, ts->abs_x_max, 0, 0);
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input_set_abs_params(ts->pen_dev, ABS_MT_POSITION_Y, 0, ts->abs_y_max, 0, 0);
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input_set_abs_params(ts->pen_dev, ABS_MT_PRESSURE, 0, 255, 0, 0);
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input_set_abs_params(ts->pen_dev, ABS_MT_TOUCH_MAJOR, 0, 255, 0, 0);
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input_set_abs_params(ts->pen_dev, ABS_MT_TRACKING_ID, 0, 255, 0, 0);
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ts->pen_dev->name = "goodix-pen";
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ts->pen_dev->id.bustype = BUS_I2C;
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ret = input_register_device(ts->pen_dev);
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if (ret)
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{
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GTP_ERROR("Register %s input device failed", ts->pen_dev->name);
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return;
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}
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}
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static void gtp_pen_down(s32 x, s32 y, s32 w, s32 id)
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{
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struct goodix_ts_data *ts = i2c_get_clientdata(i2c_connect_client);
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if (gtp_change_x2y)
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GTP_SWAP(x, y);
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input_report_key(ts->pen_dev, BTN_TOOL_PEN, 1);
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#if GTP_ICS_SLOT_REPORT
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input_mt_slot(ts->pen_dev, id);
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input_report_abs(ts->pen_dev, ABS_MT_TRACKING_ID, id);
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input_report_abs(ts->pen_dev, ABS_MT_POSITION_X, x);
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input_report_abs(ts->pen_dev, ABS_MT_POSITION_Y, y);
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input_report_abs(ts->pen_dev, ABS_MT_PRESSURE, w);
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input_report_abs(ts->pen_dev, ABS_MT_TOUCH_MAJOR, w);
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#else
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input_report_key(ts->pen_dev, BTN_TOUCH, 1);
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input_report_abs(ts->pen_dev, ABS_MT_POSITION_X, x);
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input_report_abs(ts->pen_dev, ABS_MT_POSITION_Y, y);
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input_report_abs(ts->pen_dev, ABS_MT_PRESSURE, w);
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input_report_abs(ts->pen_dev, ABS_MT_TOUCH_MAJOR, w);
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input_report_abs(ts->pen_dev, ABS_MT_TRACKING_ID, id);
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input_mt_sync(ts->pen_dev);
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#endif
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GTP_DEBUG("(%d)(%d, %d)[%d]", id, x, y, w);
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}
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static void gtp_pen_up(s32 id)
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{
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struct goodix_ts_data *ts = i2c_get_clientdata(i2c_connect_client);
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input_report_key(ts->pen_dev, BTN_TOOL_PEN, 0);
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#if GTP_ICS_SLOT_REPORT
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input_mt_slot(ts->pen_dev, id);
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input_report_abs(ts->pen_dev, ABS_MT_TRACKING_ID, -1);
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#else
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input_report_key(ts->pen_dev, BTN_TOUCH, 0);
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#endif
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}
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#endif
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/*******************************************************
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Function:
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Goodix touchscreen work function
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Input:
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work: work struct of goodix_workqueue
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Output:
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None.
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*********************************************************/
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static void goodix_ts_work_func(struct work_struct *work)
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{
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u8 end_cmd[3] = {GTP_READ_COOR_ADDR >> 8, GTP_READ_COOR_ADDR & 0xFF, 0};
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u8 point_data[2 + 1 + 8 * GTP_MAX_TOUCH + 1]={GTP_READ_COOR_ADDR >> 8, GTP_READ_COOR_ADDR & 0xFF};
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u8 touch_num = 0;
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u8 finger = 0;
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static u16 pre_touch = 0;
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static u8 pre_key = 0;
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#if GTP_WITH_PEN
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u8 pen_active = 0;
|
static u8 pre_pen = 0;
|
#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 = NULL;
|
|
#if GTP_COMPATIBLE_MODE
|
u8 rqst_buf[3] = {0x80, 0x43}; // for GT9XXF
|
#endif
|
|
#if GTP_GESTURE_WAKEUP
|
u8 doze_buf[3] = {0x81, 0x4B};
|
#endif
|
|
GTP_DEBUG_FUNC();
|
ts = container_of(work, struct goodix_ts_data, work);
|
if (ts->enter_update)
|
{
|
goto release_wakeup_lock;
|
}
|
#if GTP_GESTURE_WAKEUP
|
if (DOZE_ENABLED == doze_status)
|
{
|
ret = gtp_i2c_read(i2c_connect_client, doze_buf, 3);
|
GTP_DEBUG("0x814B = 0x%02X", doze_buf[2]);
|
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)
|
{
|
GTP_INFO("Wakeup by gesture(%c), light up the screen!", doze_buf[2]);
|
}
|
else
|
{
|
GTP_INFO("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;
|
|
GTP_INFO("%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 (0xCC == doze_buf[2])
|
{
|
GTP_INFO("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);
|
}
|
}
|
if (ts->use_irq)
|
{
|
gtp_irq_enable(ts);
|
}
|
goto release_wakeup_lock;
|
}
|
#endif
|
|
ret = gtp_i2c_read(ts->client, point_data, 12);
|
if (ret < 0)
|
{
|
GTP_ERROR("I2C transfer error. errno:%d\n ", ret);
|
if (ts->use_irq)
|
{
|
gtp_irq_enable(ts);
|
}
|
goto release_wakeup_lock;
|
}
|
|
finger = point_data[GTP_ADDR_LENGTH];
|
|
#if GTP_COMPATIBLE_MODE
|
// GT9XXF
|
if ((finger == 0x00) && (CHIP_TYPE_GT9F == ts->chip_type)) // request arrived
|
{
|
ret = gtp_i2c_read(ts->client, rqst_buf, 3);
|
if (ret < 0)
|
{
|
GTP_ERROR("Read request status error!");
|
goto exit_work_func;
|
}
|
|
switch (rqst_buf[2])
|
{
|
case GTP_RQST_CONFIG:
|
GTP_INFO("Request for config.");
|
ret = gtp_send_cfg(ts->client);
|
if (ret < 0)
|
{
|
GTP_ERROR("Request for config unresponded!");
|
}
|
else
|
{
|
rqst_buf[2] = GTP_RQST_RESPONDED;
|
gtp_i2c_write(ts->client, rqst_buf, 3);
|
GTP_INFO("Request for config responded!");
|
}
|
break;
|
|
case GTP_RQST_BAK_REF:
|
/*
|
GTP_INFO("Request for backup reference.");
|
ts->rqst_processing = 1;
|
ret = gtp_bak_ref_proc(ts, GTP_BAK_REF_SEND);
|
if (SUCCESS == ret)
|
{
|
rqst_buf[2] = GTP_RQST_RESPONDED;
|
gtp_i2c_write(ts->client, rqst_buf, 3);
|
ts->rqst_processing = 0;
|
GTP_INFO("Request for backup reference responded!");
|
}
|
else
|
{
|
GTP_ERROR("Requeset for backup reference unresponed!");
|
}
|
*/
|
break;
|
|
case GTP_RQST_RESET:
|
GTP_INFO("Request for reset.");
|
gtp_recovery_reset(ts->client);
|
break;
|
|
case GTP_RQST_MAIN_CLOCK:
|
GTP_INFO("Request for main clock.");
|
ts->rqst_processing = 1;
|
ret = gtp_main_clk_proc(ts);
|
if (FAIL == ret)
|
{
|
GTP_ERROR("Request for main clock unresponded!");
|
}
|
else
|
{
|
GTP_INFO("Request for main clock responded!");
|
rqst_buf[2] = GTP_RQST_RESPONDED;
|
gtp_i2c_write(ts->client, rqst_buf, 3);
|
ts->rqst_processing = 0;
|
ts->clk_chk_fs_times = 0;
|
}
|
break;
|
|
default:
|
GTP_INFO("Undefined request: 0x%02X", rqst_buf[2]);
|
rqst_buf[2] = GTP_RQST_RESPONDED;
|
gtp_i2c_write(ts->client, rqst_buf, 3);
|
break;
|
}
|
}
|
#endif
|
if (finger == 0x00)
|
{
|
if (ts->use_irq)
|
{
|
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)
|
{
|
GTP_DEBUG("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)
|
{
|
GTP_DEBUG("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)
|
{
|
GTP_DEBUG("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
|
{
|
GTP_DEBUG("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
|
//pre_touch = 0; // clear last pen status
|
}
|
#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])
|
{
|
GTP_DEBUG("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;
|
|
GTP_DEBUG("pre_touch:%02x, finger:%02x.", pre_touch, finger);
|
|
#if GTP_ICS_SLOT_REPORT
|
|
#if GTP_WITH_PEN
|
if (pre_pen && (touch_num == 0))
|
{
|
GTP_DEBUG("Pen touch UP(Slot)!");
|
gtp_pen_up(0);
|
pen_active = 1;
|
pre_pen = 0;
|
}
|
#endif
|
if (pre_touch || touch_num)
|
{
|
s32 pos = 0;
|
u16 touch_index = 0;
|
u8 report_num = 0;
|
coor_data = &point_data[3];
|
|
if(touch_num)
|
{
|
id = coor_data[pos] & 0x0F;
|
|
#if GTP_WITH_PEN
|
id = coor_data[pos];
|
if ((id & 0x80))
|
{
|
GTP_DEBUG("Pen touch DOWN(Slot)!");
|
input_x = coor_data[pos + 1] | (coor_data[pos + 2] << 8);
|
input_y = coor_data[pos + 3] | (coor_data[pos + 4] << 8);
|
input_w = coor_data[pos + 5] | (coor_data[pos + 6] << 8);
|
|
gtp_pen_down(input_x, input_y, input_w, 0);
|
pre_pen = 1;
|
pre_touch = 0;
|
pen_active = 1;
|
}
|
#endif
|
|
touch_index |= (0x01<<id);
|
}
|
|
GTP_DEBUG("id = %d,touch_index = 0x%x, pre_touch = 0x%x\n",id, touch_index,pre_touch);
|
for (i = 0; i < GTP_MAX_TOUCH; i++)
|
{
|
#if GTP_WITH_PEN
|
if (pre_pen == 1)
|
{
|
break;
|
}
|
#endif
|
|
if ((touch_index & (0x01<<i)))
|
{
|
input_x = coor_data[pos + 1] | (coor_data[pos + 2] << 8);
|
input_y = coor_data[pos + 3] | (coor_data[pos + 4] << 8);
|
input_w = coor_data[pos + 5] | (coor_data[pos + 6] << 8);
|
|
gtp_touch_down(ts, id, input_x, input_y, input_w);
|
pre_touch |= 0x01 << i;
|
|
report_num++;
|
if (report_num < touch_num)
|
{
|
pos += 8;
|
id = coor_data[pos] & 0x0F;
|
touch_index |= (0x01<<id);
|
}
|
}
|
else
|
{
|
gtp_touch_up(ts, i);
|
pre_touch &= ~(0x01 << i);
|
}
|
}
|
}
|
#else //end if GTP_ICS_SLOT_REPORT
|
|
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)
|
{
|
GTP_DEBUG("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)
|
{
|
GTP_DEBUG("Pen touch UP!");
|
gtp_pen_up(0);
|
pre_pen = 0;
|
pen_active = 1;
|
}
|
else
|
#endif
|
{
|
GTP_DEBUG("Touch Release!");
|
gtp_touch_up(ts, 0);
|
}
|
}
|
|
pre_touch = touch_num;
|
#endif
|
|
#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:
|
if(!ts->gtp_rawdiff_mode)
|
{
|
ret = gtp_i2c_write(ts->client, end_cmd, 3);
|
if (ret < 0)
|
{
|
GTP_INFO("I2C write end_cmd error!");
|
}
|
}
|
if (ts->use_irq)
|
{
|
gtp_irq_enable(ts);
|
}
|
|
release_wakeup_lock:
|
if (device_can_wakeup(&ts->client->dev))
|
pm_relax(&ts->client->dev);
|
}
|
|
/*******************************************************
|
Function:
|
Timer interrupt service routine for polling mode.
|
Input:
|
timer: timer struct pointer
|
Output:
|
Timer work mode.
|
HRTIMER_NORESTART: no restart mode
|
*********************************************************/
|
static enum hrtimer_restart goodix_ts_timer_handler(struct hrtimer *timer)
|
{
|
struct goodix_ts_data *ts = container_of(timer, struct goodix_ts_data, timer);
|
|
GTP_DEBUG_FUNC();
|
|
queue_work(goodix_wq, &ts->work);
|
hrtimer_start(&ts->timer, ktime_set(0, (GTP_POLL_TIME+6)*1000000), HRTIMER_MODE_REL);
|
return HRTIMER_NORESTART;
|
}
|
|
/*******************************************************
|
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_DEBUG_FUNC();
|
|
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);
|
//GTP_GPIO_AS_INT(GTP_INT_PORT);
|
gpio_direction_input(ts->irq_pin);
|
//s3c_gpio_setpull(pin, S3C_GPIO_PULL_NONE);
|
//s3c_gpio_cfgpin(pin, GTP_INT_CFG);
|
}
|
|
|
/*******************************************************
|
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_DEBUG_FUNC();
|
GTP_INFO("Guitar reset");
|
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
|
|
//GTP_GPIO_AS_INPUT(GTP_RST_PORT); // end select I2C slave addr
|
gpio_direction_input(ts->rst_pin);
|
//s3c_gpio_setpull(pin, S3C_GPIO_PULL_NONE);
|
|
#if GTP_COMPATIBLE_MODE
|
if (CHIP_TYPE_GT9F == ts->chip_type)
|
{
|
return;
|
}
|
#endif
|
|
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};
|
|
GTP_DEBUG_FUNC();
|
|
GTP_DEBUG("Entering gesture mode.");
|
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)
|
{
|
GTP_DEBUG("failed to set doze flag into 0x8046, %d", retry);
|
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;
|
GTP_INFO("Gesture mode enabled.");
|
return ret;
|
}
|
msleep(10);
|
}
|
GTP_ERROR("GTP send gesture cmd failed.");
|
return ret;
|
}
|
#else
|
/*******************************************************
|
Function:
|
Enter sleep mode.
|
Input:
|
ts: private data.
|
Output:
|
Executive outcomes.
|
1: succeed, otherwise failed.
|
*******************************************************/
|
static s8 gtp_enter_sleep(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, 5};
|
#if GTP_COMPATIBLE_MODE
|
u8 status_buf[3] = {0x80, 0x44};
|
#endif
|
|
GTP_DEBUG_FUNC();
|
|
#if GTP_COMPATIBLE_MODE
|
if (CHIP_TYPE_GT9F == ts->chip_type)
|
{
|
// GT9XXF: host interact with ic
|
ret = gtp_i2c_read(ts->client, status_buf, 3);
|
if (ret < 0)
|
{
|
GTP_ERROR("failed to get backup-reference status");
|
}
|
|
if (status_buf[2] & 0x80)
|
{
|
ret = gtp_bak_ref_proc(ts, GTP_BAK_REF_STORE);
|
if (FAIL == ret)
|
{
|
GTP_ERROR("failed to store bak_ref");
|
}
|
}
|
}
|
#endif
|
|
GTP_GPIO_OUTPUT(ts->irq_pin, 0);
|
msleep(5);
|
|
while(retry++ < 5)
|
{
|
ret = gtp_i2c_write(ts->client, i2c_control_buf, 3);
|
if (ret > 0)
|
{
|
GTP_INFO("GTP enter sleep!");
|
|
return ret;
|
}
|
msleep(10);
|
}
|
GTP_ERROR("GTP send sleep cmd failed.");
|
return ret;
|
}
|
#endif
|
/*******************************************************
|
Function:
|
Wakeup from sleep.
|
Input:
|
ts: private data.
|
Output:
|
Executive outcomes.
|
>0: succeed, otherwise: failed.
|
*******************************************************/
|
static s8 gtp_wakeup_sleep(struct goodix_ts_data * ts)
|
{
|
u8 retry = 0;
|
s8 ret = -1;
|
|
GTP_DEBUG_FUNC();
|
|
#if GTP_COMPATIBLE_MODE
|
if (CHIP_TYPE_GT9F == ts->chip_type)
|
{
|
u8 opr_buf[3] = {0x41, 0x80};
|
|
GTP_GPIO_OUTPUT(ts->irq_pin, 1);
|
msleep(5);
|
|
for (retry = 0; retry < 10; ++retry)
|
{
|
// hold ss51 & dsp
|
opr_buf[2] = 0x0C;
|
ret = gtp_i2c_write(ts->client, opr_buf, 3);
|
if (FAIL == ret)
|
{
|
GTP_ERROR("failed to hold ss51 & dsp!");
|
continue;
|
}
|
opr_buf[2] = 0x00;
|
ret = gtp_i2c_read(ts->client, opr_buf, 3);
|
if (FAIL == ret)
|
{
|
GTP_ERROR("failed to get ss51 & dsp status!");
|
continue;
|
}
|
if (0x0C != opr_buf[2])
|
{
|
GTP_DEBUG("ss51 & dsp not been hold, %d", retry+1);
|
continue;
|
}
|
GTP_DEBUG("ss51 & dsp confirmed hold");
|
|
ret = gtp_fw_startup(ts->client);
|
if (FAIL == ret)
|
{
|
GTP_ERROR("failed to startup GT9XXF, process recovery");
|
gtp_esd_recovery(ts->client);
|
}
|
break;
|
}
|
if (retry >= 10)
|
{
|
GTP_ERROR("failed to wakeup, processing esd recovery");
|
gtp_esd_recovery(ts->client);
|
}
|
else
|
{
|
GTP_INFO("GT9XXF gtp wakeup success");
|
}
|
return ret;
|
}
|
#endif
|
|
#if GTP_POWER_CTRL_SLEEP
|
while(retry++ < 5)
|
{
|
gtp_reset_guitar(ts->client, 20);
|
|
GTP_INFO("GTP wakeup sleep.");
|
return 1;
|
}
|
#else
|
while(retry++ < 10)
|
{
|
#if GTP_GESTURE_WAKEUP
|
if (DOZE_WAKEUP != doze_status)
|
{
|
GTP_INFO("Powerkey wakeup.");
|
}
|
else
|
{
|
GTP_INFO("Gesture wakeup.");
|
}
|
doze_status = DOZE_DISABLED;
|
gtp_irq_disable(ts);
|
gtp_reset_guitar(ts->client, 10);
|
gtp_irq_enable(ts);
|
|
#else
|
GTP_GPIO_OUTPUT(ts->irq_pin, 1);
|
msleep(5);
|
#endif
|
|
ret = gtp_i2c_test(ts->client);
|
if (ret > 0)
|
{
|
GTP_INFO("GTP wakeup sleep.");
|
|
#if (!GTP_GESTURE_WAKEUP)
|
{
|
gtp_int_sync(25, ts);
|
#if GTP_ESD_PROTECT
|
gtp_init_ext_watchdog(ts->client);
|
#endif
|
}
|
#endif
|
|
return ret;
|
}
|
gtp_reset_guitar(ts->client, 20);
|
}
|
#endif
|
|
GTP_ERROR("GTP wakeup sleep failed.");
|
return ret;
|
}
|
#if GTP_DRIVER_SEND_CFG
|
static s32 gtp_get_info(struct goodix_ts_data *ts)
|
{
|
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;
|
|
GTP_INFO("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)
|
{
|
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)};;
|
|
GTP_INFO(" <%s>_%d \n", __func__, __LINE__);
|
|
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 (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);
|
}
|
|
GTP_DEBUG_FUNC();
|
GTP_DEBUG("Config Groups\' Lengths: %d, %d, %d, %d, %d, %d",
|
cfg_info_len[0], cfg_info_len[1], cfg_info_len[2], cfg_info_len[3],
|
cfg_info_len[4], cfg_info_len[5]);
|
|
|
#if GTP_COMPATIBLE_MODE
|
if (CHIP_TYPE_GT9F == ts->chip_type)
|
{
|
ts->fw_error = 0;
|
}
|
else
|
#endif
|
{
|
ret = gtp_i2c_read_dbl_check(ts->client, 0x41E4, opr_buf, 1);
|
if (SUCCESS == ret)
|
{
|
if (opr_buf[0] != 0xBE)
|
{
|
ts->fw_error = 1;
|
GTP_ERROR("Firmware error, no config sent!");
|
return -1;
|
}
|
}
|
}
|
|
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
|
{
|
#if GTP_COMPATIBLE_MODE
|
msleep(50);
|
#endif
|
ret = gtp_i2c_read_dbl_check(ts->client, GTP_REG_SENSOR_ID, &sensor_id, 1);
|
if (SUCCESS == ret)
|
{
|
if (sensor_id >= 0x06)
|
{
|
GTP_ERROR("Invalid sensor_id(0x%02X), No Config Sent!", sensor_id);
|
ts->pnl_init_error = 1;
|
return -1;
|
}
|
}
|
else
|
{
|
GTP_ERROR("Failed to get sensor_id, No config sent!");
|
ts->pnl_init_error = 1;
|
return -1;
|
}
|
GTP_INFO("Sensor_ID: %d", sensor_id);
|
}
|
ts->gtp_cfg_len = cfg_info_len[sensor_id];
|
GTP_INFO("CTP_CONFIG_GROUP%d used, config length: %d", sensor_id + 1, ts->gtp_cfg_len);
|
|
if (ts->gtp_cfg_len < GTP_CONFIG_MIN_LENGTH)
|
{
|
GTP_ERROR("Config Group%d is INVALID CONFIG GROUP(Len: %d)! NO Config Sent! You need to check you header file CFG_GROUP section!", sensor_id+1, ts->gtp_cfg_len);
|
ts->pnl_init_error = 1;
|
return -1;
|
}
|
|
#if GTP_COMPATIBLE_MODE
|
if (CHIP_TYPE_GT9F == ts->chip_type)
|
{
|
ts->fixed_cfg = 0;
|
}
|
else
|
#endif
|
{
|
ret = gtp_i2c_read_dbl_check(ts->client, GTP_REG_CONFIG_DATA, &opr_buf[0], 1);
|
|
if (ret == SUCCESS)
|
{
|
GTP_DEBUG("CFG_GROUP%d Config Version: %d, 0x%02X; IC Config Version: %d, 0x%02X", sensor_id+1,
|
send_cfg_buf[sensor_id][0], send_cfg_buf[sensor_id][0], opr_buf[0], opr_buf[0]);
|
|
if (opr_buf[0] < 90)
|
{
|
GTP_INFO(" <%s>_%d \n", __func__, __LINE__);
|
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
|
{
|
GTP_INFO("Ic fixed config with config version(%d, 0x%02X)", opr_buf[0], opr_buf[0]);
|
ts->fixed_cfg = 1;
|
gtp_get_info(ts);
|
return 0;
|
}
|
}
|
else
|
{
|
GTP_ERROR("Failed to get ic config version!No config sent!");
|
return -1;
|
}
|
}
|
|
memset(&config[GTP_ADDR_LENGTH], 0, GTP_CONFIG_MAX_LENGTH);
|
memcpy(&config[GTP_ADDR_LENGTH], send_cfg_buf[sensor_id], ts->gtp_cfg_len);
|
|
#if GTP_CUSTOM_CFG
|
config[RESOLUTION_LOC] = (u8)GTP_MAX_WIDTH;
|
config[RESOLUTION_LOC + 1] = (u8)(GTP_MAX_WIDTH>>8);
|
config[RESOLUTION_LOC + 2] = (u8)GTP_MAX_HEIGHT;
|
config[RESOLUTION_LOC + 3] = (u8)(GTP_MAX_HEIGHT>>8);
|
|
if (GTP_INT_TRIGGER == 0) //RISING
|
{
|
config[TRIGGER_LOC] &= 0xfe;
|
}
|
else if (GTP_INT_TRIGGER == 1) //FALLING
|
{
|
config[TRIGGER_LOC] |= 0x01;
|
}
|
#endif // GTP_CUSTOM_CFG
|
|
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)
|
{
|
GTP_ERROR("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;
|
GTP_INFO(" <%s>_%d <%d, %d>\n", __func__, __LINE__, ts->abs_x_max, ts->abs_y_max);
|
}
|
GTP_INFO(" <%s>_%d \n", __func__, __LINE__);
|
#if GTP_COMPATIBLE_MODE
|
if (CHIP_TYPE_GT9F == ts->chip_type)
|
{
|
u8 sensor_num = 0;
|
u8 driver_num = 0;
|
u8 have_key = 0;
|
|
have_key = (config[GTP_REG_HAVE_KEY - GTP_REG_CONFIG_DATA + 2] & 0x01);
|
|
if (1 == ts->is_950)
|
{
|
driver_num = config[GTP_REG_MATRIX_DRVNUM - GTP_REG_CONFIG_DATA + 2];
|
sensor_num = config[GTP_REG_MATRIX_SENNUM - GTP_REG_CONFIG_DATA + 2];
|
if (have_key)
|
{
|
driver_num--;
|
}
|
ts->bak_ref_len = (driver_num * (sensor_num - 1) + 2) * 2 * 6;
|
}
|
else
|
{
|
driver_num = (config[CFG_LOC_DRVA_NUM] & 0x1F) + (config[CFG_LOC_DRVB_NUM]&0x1F);
|
if (have_key)
|
{
|
driver_num--;
|
}
|
sensor_num = (config[CFG_LOC_SENS_NUM] & 0x0F) + ((config[CFG_LOC_SENS_NUM] >> 4) & 0x0F);
|
ts->bak_ref_len = (driver_num * (sensor_num - 2) + 2) * 2;
|
}
|
|
GTP_INFO("Drv * Sen: %d * %d(key: %d), X_MAX: %d, Y_MAX: %d, TRIGGER: 0x%02x",
|
driver_num, sensor_num, have_key, ts->abs_x_max,ts->abs_y_max,ts->int_trigger_type);
|
return 0;
|
}
|
else
|
#endif
|
{
|
#if GTP_DRIVER_SEND_CFG
|
GTP_INFO(" <%s>_%d \n", __func__, __LINE__);
|
ret = gtp_send_cfg(ts->client);
|
if (ret < 0)
|
{
|
GTP_ERROR("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
|
GTP_INFO("X_MAX: %d, Y_MAX: %d, TRIGGER: 0x%02x", ts->abs_x_max,ts->abs_y_max,ts->int_trigger_type);
|
}
|
|
msleep(10);
|
return 0;
|
}
|
|
|
static ssize_t gt91xx_config_read_proc(struct file *file, char __user *page, size_t size, loff_t *ppos)
|
{
|
char *ptr = page;
|
u8 temp_data[GTP_CONFIG_MAX_LENGTH + 2] = {0x80, 0x47};
|
int i;
|
|
if (*ppos)
|
{
|
return 0;
|
}
|
ptr += sprintf(ptr, "==== GT9XX config init value====\n");
|
|
for (i = 0 ; i < GTP_CONFIG_MAX_LENGTH ; i++)
|
{
|
ptr += sprintf(ptr, "0x%02X ", config[i + 2]);
|
|
if (i % 8 == 7)
|
ptr += sprintf(ptr, "\n");
|
}
|
|
ptr += sprintf(ptr, "\n");
|
|
ptr += sprintf(ptr, "==== GT9XX config real value====\n");
|
gtp_i2c_read(i2c_connect_client, temp_data, GTP_CONFIG_MAX_LENGTH + 2);
|
for (i = 0 ; i < GTP_CONFIG_MAX_LENGTH ; i++)
|
{
|
ptr += sprintf(ptr, "0x%02X ", temp_data[i+2]);
|
|
if (i % 8 == 7)
|
ptr += sprintf(ptr, "\n");
|
}
|
*ppos += ptr - page;
|
return (ptr - page);
|
}
|
|
static ssize_t gt91xx_config_write_proc(struct file *filp, const char __user *buffer, size_t count, loff_t *off)
|
{
|
s32 ret = 0;
|
|
if (count > GTP_CONFIG_MAX_LENGTH)
|
{
|
GTP_ERROR("size not match [%d:%zu]\n", GTP_CONFIG_MAX_LENGTH, count);
|
return -EFAULT;
|
}
|
|
if (copy_from_user(&config[2], buffer, count))
|
{
|
GTP_ERROR("copy from user fail\n");
|
return -EFAULT;
|
}
|
|
ret = gtp_send_cfg(i2c_connect_client);
|
|
if (ret < 0)
|
{
|
GTP_ERROR("send config failed.");
|
}
|
|
return count;
|
}
|
/*******************************************************
|
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};
|
|
GTP_DEBUG_FUNC();
|
|
ret = gtp_i2c_read(client, buf, sizeof(buf));
|
if (ret < 0)
|
{
|
GTP_ERROR("GTP read version failed");
|
return ret;
|
}
|
|
if (version)
|
{
|
*version = (buf[7] << 8) | buf[6];
|
}
|
if (buf[5] == 0x00)
|
{
|
GTP_INFO("IC Version: %c%c%c_%02x%02x", buf[2], buf[3], buf[4], buf[7], buf[6]);
|
}
|
else
|
{
|
GTP_INFO("IC Version: %c%c%c%c_%02x%02x", buf[2], buf[3], buf[4], buf[5], buf[7], buf[6]);
|
}
|
return ret;
|
}
|
|
/*******************************************************
|
Function:
|
I2c test Function.
|
Input:
|
client:i2c client.
|
Output:
|
Executive outcomes.
|
2: succeed, otherwise failed.
|
*******************************************************/
|
static s8 gtp_i2c_test(struct i2c_client *client)
|
{
|
u8 test[3] = {GTP_REG_CONFIG_DATA >> 8, GTP_REG_CONFIG_DATA & 0xff};
|
u8 retry = 0;
|
s8 ret = -1;
|
|
GTP_DEBUG_FUNC();
|
|
while(retry++ < 5)
|
{
|
ret = gtp_i2c_read(client, test, 3);
|
if (ret > 0)
|
{
|
return ret;
|
}
|
GTP_ERROR("GTP i2c test failed time %d.",retry);
|
msleep(10);
|
}
|
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)
|
{
|
s32 ret = 0;
|
|
GTP_DEBUG_FUNC();
|
/*
|
ret = GTP_GPIO_REQUEST(ts->tp_select_pin, "GTP_tp_select_PORT");
|
if (ret < 0)
|
{
|
GTP_ERROR("1Failed to request GPIO:%d, ERRNO:%d",(s32)ts->tp_select_pin, ret);
|
return -ENODEV;
|
}
|
else
|
{
|
gpio_direction_input(ts->tp_select_pin);
|
}
|
*/
|
ret = GTP_GPIO_REQUEST(ts->rst_pin, "GTP_RST_PORT");
|
if (ret < 0)
|
{
|
GTP_ERROR("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)
|
{
|
GTP_ERROR("3Failed to request GPIO:%d, ERRNO:%d", (s32)ts->irq_pin, ret);
|
GTP_GPIO_FREE(ts->irq_pin);
|
return -ENODEV;
|
}
|
else
|
{
|
//GTP_GPIO_AS_INT(GTP_INT_PORT);
|
gpio_direction_input(ts->irq_pin);
|
//s3c_gpio_setpull(pin, S3C_GPIO_PULL_NONE);
|
//s3c_gpio_cfgpin(pin, GTP_INT_CFG);
|
|
//ts->client->irq = ts->irq_pin;
|
}
|
|
//GTP_GPIO_AS_INPUT(ts->rst_pin);
|
gpio_direction_input(ts->rst_pin);
|
//s3c_gpio_setpull(pin, S3C_GPIO_PULL_NONE);
|
|
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)
|
{
|
s32 ret = -1;
|
|
GTP_DEBUG_FUNC();
|
GTP_DEBUG("INT trigger type:%x", ts->int_trigger_type);
|
|
ts->irq=gpio_to_irq(ts->irq_pin); //If not defined in client
|
if (ts->irq)
|
{
|
ts->client->irq = ts->irq;
|
ret = devm_request_threaded_irq(&(ts->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) {
|
GTP_ERROR("Cannot allocate ts INT!ERRNO:%d\n", ret);
|
goto test_pit;
|
}
|
//gtp_irq_disable(ts->irq);
|
GTP_INFO(" <%s>_%d ts->irq=%d ret = %d\n", __func__, __LINE__, ts->irq, ret);
|
}else{
|
GTP_ERROR(" ts->irq error \n");
|
ret = 1;
|
goto test_pit;
|
}
|
/*
|
ret = request_irq(ts->client->irq,
|
goodix_ts_irq_handler,
|
irq_table[ts->int_trigger_type],
|
ts->client->name,
|
ts);
|
*/
|
test_pit:
|
if (ret)
|
{
|
GTP_ERROR("Request IRQ failed!ERRNO:%d.", ret);
|
//GTP_GPIO_AS_INPUT(GTP_INT_PORT);
|
gpio_direction_input(ts->irq_pin);
|
//s3c_gpio_setpull(pin, S3C_GPIO_PULL_NONE);
|
|
GTP_GPIO_FREE(ts->irq_pin);
|
|
hrtimer_init(&ts->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
|
ts->timer.function = goodix_ts_timer_handler;
|
hrtimer_start(&ts->timer, ktime_set(1, 0), HRTIMER_MODE_REL);
|
return -1;
|
}
|
else
|
{
|
GTP_INFO(" <%s>_%d ts->irq=%d ret = %d\n", __func__, __LINE__, ts->irq, ret);
|
gtp_irq_disable(ts);
|
ts->use_irq = 1;
|
return 0;
|
}
|
}
|
|
/*******************************************************
|
Function:
|
Early suspend function.
|
Input:
|
h: early_suspend struct.
|
Output:
|
None.
|
*******************************************************/
|
static int goodix_ts_early_suspend(struct tp_device *tp_d)
|
{
|
struct goodix_ts_data *ts;
|
s8 ret = -1;
|
int reg = 0;
|
|
ts = container_of(tp_d, struct goodix_ts_data, tp);
|
GTP_DEBUG_FUNC();
|
|
GTP_INFO("System suspend.");
|
|
ts->gtp_is_suspend = 1;
|
#if GTP_ESD_PROTECT
|
gtp_esd_switch(ts->client, SWITCH_OFF);
|
#endif
|
|
#if GTP_GESTURE_WAKEUP
|
ret = gtp_enter_doze(ts);
|
#else
|
if (ts->use_irq)
|
{
|
gtp_irq_disable(ts);
|
}
|
else
|
{
|
hrtimer_cancel(&ts->timer);
|
}
|
ret = gtp_enter_sleep(ts);
|
#endif
|
if (ret < 0)
|
{
|
printk("GTP early suspend failed.");
|
}
|
// to avoid waking up while not sleeping
|
// delay 48 + 10ms to ensure reliability
|
msleep(58);
|
|
reg = regulator_disable(ts->tp_regulator);
|
if (reg < 0)
|
GTP_ERROR("failed to disable tp regulator\n");
|
msleep(20);
|
return 0;
|
}
|
|
/*******************************************************
|
Function:
|
Late resume function.
|
Input:
|
h: early_suspend struct.
|
Output:
|
None.
|
*******************************************************/
|
static int goodix_ts_early_resume(struct tp_device *tp_d)
|
{
|
struct goodix_ts_data *ts;
|
s8 ret = -1;
|
int reg = 0;
|
ts = container_of(tp_d, struct goodix_ts_data, tp);
|
GTP_DEBUG_FUNC();
|
|
GTP_INFO("System resume.");
|
|
reg = regulator_enable(ts->tp_regulator);
|
if (reg < 0)
|
GTP_ERROR("failed to enable tp regulator\n");
|
msleep(10);
|
|
ret = gtp_wakeup_sleep(ts);
|
|
#if GTP_GESTURE_WAKEUP
|
doze_status = DOZE_DISABLED;
|
#endif
|
|
if (ret < 0)
|
{
|
GTP_ERROR("GTP later resume failed.");
|
}
|
#if (GTP_COMPATIBLE_MODE)
|
if (CHIP_TYPE_GT9F == ts->chip_type)
|
{
|
// do nothing
|
}
|
else
|
#endif
|
{
|
gtp_send_cfg(ts->client);
|
}
|
|
if (ts->use_irq)
|
{
|
gtp_irq_enable(ts);
|
}
|
else
|
{
|
hrtimer_start(&ts->timer, ktime_set(1, 0), HRTIMER_MODE_REL);
|
}
|
|
ts->gtp_is_suspend = 0;
|
#if GTP_ESD_PROTECT
|
gtp_esd_switch(ts->client, SWITCH_ON);
|
#endif
|
|
return 0;
|
}
|
|
/*******************************************************
|
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
|
GTP_DEBUG_FUNC();
|
|
ts->input_dev = devm_input_allocate_device(&client->dev);
|
if (ts->input_dev == NULL)
|
{
|
GTP_ERROR("Failed to allocate input device.");
|
return -ENOMEM;
|
}
|
|
ts->input_dev->evbit[0] = BIT_MASK(EV_SYN) | BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS) ;
|
#if GTP_ICS_SLOT_REPORT
|
input_mt_init_slots(ts->input_dev, 16, INPUT_MT_DIRECT | INPUT_MT_DROP_UNUSED); // in case of "out of memory"
|
#else
|
ts->input_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
|
#endif
|
__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);
|
|
#if defined(CONFIG_CHROME_PLATFORMS)
|
input_set_abs_params(ts->input_dev, ABS_X, 0, ts->abs_x_max, 0, 0);
|
input_set_abs_params(ts->input_dev, ABS_Y, 0, ts->abs_y_max, 0, 0);
|
#endif
|
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)
|
{
|
GTP_ERROR("Register %s input device failed", ts->input_dev->name);
|
return -ENODEV;
|
}
|
|
ts->tp.tp_resume = goodix_ts_early_resume;
|
ts->tp.tp_suspend = goodix_ts_early_suspend;
|
tp_register_fb(&ts->tp);
|
|
#if GTP_WITH_PEN
|
gtp_pen_init(ts);
|
#endif
|
|
return 0;
|
}
|
|
//************** For GT9XXF Start *************//
|
#if GTP_COMPATIBLE_MODE
|
|
s32 gtp_fw_startup(struct i2c_client *client)
|
{
|
u8 opr_buf[4];
|
s32 ret = 0;
|
struct goodix_ts_data *ts = i2c_get_clientdata(client);
|
//init sw WDT
|
opr_buf[0] = 0xAA;
|
ret = i2c_write_bytes(client, 0x8041, opr_buf, 1);
|
if (ret < 0)
|
{
|
return FAIL;
|
}
|
|
//release SS51 & DSP
|
opr_buf[0] = 0x00;
|
ret = i2c_write_bytes(client, 0x4180, opr_buf, 1);
|
if (ret < 0)
|
{
|
return FAIL;
|
}
|
//int sync
|
gtp_int_sync(25, ts);
|
|
//check fw run status
|
ret = i2c_read_bytes(client, 0x8041, opr_buf, 1);
|
if (ret < 0)
|
{
|
return FAIL;
|
}
|
if(0xAA == opr_buf[0])
|
{
|
GTP_ERROR("IC works abnormally,startup failed.");
|
return FAIL;
|
}
|
else
|
{
|
GTP_INFO("IC works normally, Startup success.");
|
opr_buf[0] = 0xAA;
|
i2c_write_bytes(client, 0x8041, opr_buf, 1);
|
return SUCCESS;
|
}
|
}
|
|
static s32 gtp_esd_recovery(struct i2c_client *client)
|
{
|
s32 retry = 0;
|
s32 ret = 0;
|
struct goodix_ts_data *ts;
|
|
ts = i2c_get_clientdata(client);
|
|
gtp_irq_disable(ts);
|
|
GTP_INFO("GT9XXF esd recovery mode");
|
for (retry = 0; retry < 5; retry++)
|
{
|
ret = gup_fw_download_proc(NULL, GTP_FL_ESD_RECOVERY);
|
if (FAIL == ret)
|
{
|
GTP_ERROR("esd recovery failed %d", retry+1);
|
continue;
|
}
|
ret = gtp_fw_startup(ts->client);
|
if (FAIL == ret)
|
{
|
GTP_ERROR("GT9XXF start up failed %d", retry+1);
|
continue;
|
}
|
break;
|
}
|
gtp_irq_enable(ts);
|
|
if (retry >= 5)
|
{
|
GTP_ERROR("failed to esd recovery");
|
return FAIL;
|
}
|
|
GTP_INFO("Esd recovery successful");
|
return SUCCESS;
|
}
|
|
void gtp_recovery_reset(struct i2c_client *client)
|
{
|
#if GTP_ESD_PROTECT
|
gtp_esd_switch(client, SWITCH_OFF);
|
#endif
|
GTP_DEBUG_FUNC();
|
|
gtp_esd_recovery(client);
|
|
#if GTP_ESD_PROTECT
|
gtp_esd_switch(client, SWITCH_ON);
|
#endif
|
}
|
|
static s32 gtp_bak_ref_proc(struct goodix_ts_data *ts, u8 mode)
|
{
|
s32 ret = 0;
|
s32 i = 0;
|
s32 j = 0;
|
u16 ref_sum = 0;
|
u16 learn_cnt = 0;
|
u16 chksum = 0;
|
s32 ref_seg_len = 0;
|
s32 ref_grps = 0;
|
struct file *ref_filp = NULL;
|
u8 *p_bak_ref;
|
|
ret = gup_check_fs_mounted("/data");
|
if (FAIL == ret)
|
{
|
ts->ref_chk_fs_times++;
|
GTP_DEBUG("Ref check /data times/MAX_TIMES: %d / %d", ts->ref_chk_fs_times, GTP_CHK_FS_MNT_MAX);
|
if (ts->ref_chk_fs_times < GTP_CHK_FS_MNT_MAX)
|
{
|
msleep(50);
|
GTP_INFO("/data not mounted.");
|
return FAIL;
|
}
|
GTP_INFO("check /data mount timeout...");
|
}
|
else
|
{
|
GTP_INFO("/data mounted!!!(%d/%d)", ts->ref_chk_fs_times, GTP_CHK_FS_MNT_MAX);
|
}
|
|
p_bak_ref = kzalloc(ts->bak_ref_len, GFP_KERNEL);
|
|
if (NULL == p_bak_ref)
|
{
|
GTP_ERROR("Allocate memory for p_bak_ref failed!");
|
return FAIL;
|
}
|
|
if (ts->is_950)
|
{
|
ref_seg_len = ts->bak_ref_len / 6;
|
ref_grps = 6;
|
}
|
else
|
{
|
ref_seg_len = ts->bak_ref_len;
|
ref_grps = 1;
|
}
|
ref_filp = filp_open(GTP_BAK_REF_PATH, O_RDWR | O_CREAT, 0666);
|
if (IS_ERR(ref_filp))
|
{
|
GTP_ERROR("Failed to open/create %s.", GTP_BAK_REF_PATH);
|
if (GTP_BAK_REF_SEND == mode)
|
{
|
goto bak_ref_default;
|
}
|
else
|
{
|
goto bak_ref_exit;
|
}
|
}
|
|
switch (mode)
|
{
|
case GTP_BAK_REF_SEND:
|
GTP_INFO("Send backup-reference");
|
ref_filp->f_op->llseek(ref_filp, 0, SEEK_SET);
|
ret = ref_filp->f_op->read(ref_filp, (char*)p_bak_ref, ts->bak_ref_len, &ref_filp->f_pos);
|
if (ret < 0)
|
{
|
GTP_ERROR("failed to read bak_ref info from file, sending defualt bak_ref");
|
goto bak_ref_default;
|
}
|
for (j = 0; j < ref_grps; ++j)
|
{
|
ref_sum = 0;
|
for (i = 0; i < (ref_seg_len); i += 2)
|
{
|
ref_sum += (p_bak_ref[i + j * ref_seg_len] << 8) + p_bak_ref[i+1 + j * ref_seg_len];
|
}
|
learn_cnt = (p_bak_ref[j * ref_seg_len + ref_seg_len -4] << 8) + (p_bak_ref[j * ref_seg_len + ref_seg_len -3]);
|
chksum = (p_bak_ref[j * ref_seg_len + ref_seg_len -2] << 8) + (p_bak_ref[j * ref_seg_len + ref_seg_len -1]);
|
GTP_DEBUG("learn count = %d", learn_cnt);
|
GTP_DEBUG("chksum = %d", chksum);
|
GTP_DEBUG("ref_sum = 0x%04X", ref_sum & 0xFFFF);
|
// Sum(1~ref_seg_len) == 1
|
if (1 != ref_sum)
|
{
|
GTP_INFO("wrong chksum for bak_ref, reset to 0x00 bak_ref");
|
memset(&p_bak_ref[j * ref_seg_len], 0, ref_seg_len);
|
p_bak_ref[ref_seg_len + j * ref_seg_len - 1] = 0x01;
|
}
|
else
|
{
|
if (j == (ref_grps - 1))
|
{
|
GTP_INFO("backup-reference data in %s used", GTP_BAK_REF_PATH);
|
}
|
}
|
}
|
ret = i2c_write_bytes(ts->client, GTP_REG_BAK_REF, p_bak_ref, ts->bak_ref_len);
|
if (FAIL == ret)
|
{
|
GTP_ERROR("failed to send bak_ref because of iic comm error");
|
goto bak_ref_exit;
|
}
|
break;
|
|
case GTP_BAK_REF_STORE:
|
GTP_INFO("Store backup-reference");
|
ret = i2c_read_bytes(ts->client, GTP_REG_BAK_REF, p_bak_ref, ts->bak_ref_len);
|
if (ret < 0)
|
{
|
GTP_ERROR("failed to read bak_ref info, sending default back-reference");
|
goto bak_ref_default;
|
}
|
ref_filp->f_op->llseek(ref_filp, 0, SEEK_SET);
|
ref_filp->f_op->write(ref_filp, (char*)p_bak_ref, ts->bak_ref_len, &ref_filp->f_pos);
|
break;
|
|
default:
|
GTP_ERROR("invalid backup-reference request");
|
break;
|
}
|
ret = SUCCESS;
|
goto bak_ref_exit;
|
|
bak_ref_default:
|
|
for (j = 0; j < ref_grps; ++j)
|
{
|
memset(&p_bak_ref[j * ref_seg_len], 0, ref_seg_len);
|
p_bak_ref[j * ref_seg_len + ref_seg_len - 1] = 0x01; // checksum = 1
|
}
|
ret = i2c_write_bytes(ts->client, GTP_REG_BAK_REF, p_bak_ref, ts->bak_ref_len);
|
if (!IS_ERR(ref_filp))
|
{
|
GTP_INFO("write backup-reference data into %s", GTP_BAK_REF_PATH);
|
ref_filp->f_op->llseek(ref_filp, 0, SEEK_SET);
|
ref_filp->f_op->write(ref_filp, (char*)p_bak_ref, ts->bak_ref_len, &ref_filp->f_pos);
|
}
|
if (ret == FAIL)
|
{
|
GTP_ERROR("failed to load the default backup reference");
|
}
|
|
bak_ref_exit:
|
|
if (p_bak_ref)
|
{
|
kfree(p_bak_ref);
|
}
|
if (ref_filp && !IS_ERR(ref_filp))
|
{
|
filp_close(ref_filp, NULL);
|
}
|
return ret;
|
}
|
|
|
static s32 gtp_verify_main_clk(u8 *p_main_clk)
|
{
|
u8 chksum = 0;
|
u8 main_clock = p_main_clk[0];
|
s32 i = 0;
|
|
if (main_clock < 50 || main_clock > 120)
|
{
|
return FAIL;
|
}
|
|
for (i = 0; i < 5; ++i)
|
{
|
if (main_clock != p_main_clk[i])
|
{
|
return FAIL;
|
}
|
chksum += p_main_clk[i];
|
}
|
chksum += p_main_clk[5];
|
if ( (chksum) == 0)
|
{
|
return SUCCESS;
|
}
|
else
|
{
|
return FAIL;
|
}
|
}
|
|
static s32 gtp_main_clk_proc(struct goodix_ts_data *ts)
|
{
|
s32 ret = 0;
|
s32 i = 0;
|
s32 clk_chksum = 0;
|
struct file *clk_filp = NULL;
|
|
#if GTP_USE_FIXED_CLK
|
u8 p_main_clk[6] = {69, 69, 69, 69, 69, 167};
|
#else
|
u8 p_main_clk[6] = {0};
|
#endif
|
|
#if GTP_USE_FIXED_CLK
|
/*
|
* here check kernel /data is not same as android /data,
|
* so modify it to reduce fw download
|
*/
|
ret = gtp_verify_main_clk(p_main_clk);
|
if (ret == FAIL) {
|
GTP_ERROR("main clock data verify error");
|
} else {
|
GTP_INFO("main clock data used fix freq: %d", p_main_clk[0]);
|
goto update_main_clk;
|
}
|
#else
|
ret = gup_check_fs_mounted("/data");
|
if (FAIL == ret)
|
{
|
ts->clk_chk_fs_times++;
|
GTP_DEBUG("Clock check /data times/MAX_TIMES: %d / %d", ts->clk_chk_fs_times, GTP_CHK_FS_MNT_MAX);
|
if (ts->clk_chk_fs_times < GTP_CHK_FS_MNT_MAX)
|
{
|
msleep(50);
|
GTP_INFO("/data not mounted.");
|
return FAIL;
|
}
|
GTP_INFO("Check /data mount timeout!");
|
}
|
else
|
{
|
GTP_INFO("/data mounted!!!(%d/%d)", ts->clk_chk_fs_times, GTP_CHK_FS_MNT_MAX);
|
}
|
|
clk_filp = filp_open(GTP_MAIN_CLK_PATH, O_RDWR | O_CREAT, 0666);
|
if (IS_ERR(clk_filp))
|
{
|
GTP_ERROR("%s is unavailable, calculate main clock", GTP_MAIN_CLK_PATH);
|
}
|
else
|
{
|
clk_filp->f_op->llseek(clk_filp, 0, SEEK_SET);
|
clk_filp->f_op->read(clk_filp, (char *)p_main_clk, 6, &clk_filp->f_pos);
|
|
ret = gtp_verify_main_clk(p_main_clk);
|
if (FAIL == ret)
|
{
|
// recalculate main clock & rewrite main clock data to file
|
GTP_ERROR("main clock data in %s is wrong, recalculate main clock", GTP_MAIN_CLK_PATH);
|
}
|
else
|
{
|
GTP_INFO("main clock data in %s used, main clock freq: %d", GTP_MAIN_CLK_PATH, p_main_clk[0]);
|
filp_close(clk_filp, NULL);
|
goto update_main_clk;
|
}
|
}
|
#endif
|
|
#if GTP_ESD_PROTECT
|
gtp_esd_switch(ts->client, SWITCH_OFF);
|
#endif
|
ret = gup_clk_calibration();
|
gtp_esd_recovery(ts->client);
|
|
#if GTP_ESD_PROTECT
|
gtp_esd_switch(ts->client, SWITCH_ON);
|
#endif
|
|
GTP_INFO("calibrate main clock: %d", ret);
|
if (ret < 50 || ret > 120)
|
{
|
GTP_ERROR("wrong main clock: %d", ret);
|
goto exit_main_clk;
|
}
|
|
// Sum{0x8020~0x8025} = 0
|
for (i = 0; i < 5; ++i)
|
{
|
p_main_clk[i] = ret;
|
clk_chksum += p_main_clk[i];
|
}
|
p_main_clk[5] = 0 - clk_chksum;
|
|
if (!IS_ERR(clk_filp))
|
{
|
GTP_DEBUG("write main clock data into %s", GTP_MAIN_CLK_PATH);
|
clk_filp->f_op->llseek(clk_filp, 0, SEEK_SET);
|
clk_filp->f_op->write(clk_filp, (char *)p_main_clk, 6, &clk_filp->f_pos);
|
filp_close(clk_filp, NULL);
|
}
|
|
update_main_clk:
|
ret = i2c_write_bytes(ts->client, GTP_REG_MAIN_CLK, p_main_clk, 6);
|
if (FAIL == ret)
|
{
|
GTP_ERROR("update main clock failed!");
|
return FAIL;
|
}
|
return SUCCESS;
|
|
exit_main_clk:
|
if (!IS_ERR(clk_filp))
|
{
|
filp_close(clk_filp, NULL);
|
}
|
return FAIL;
|
}
|
|
|
s32 gtp_gt9xxf_init(struct i2c_client *client)
|
{
|
s32 ret = 0;
|
|
ret = gup_fw_download_proc(NULL, GTP_FL_FW_BURN);
|
if (FAIL == ret)
|
{
|
return FAIL;
|
}
|
|
ret = gtp_fw_startup(client);
|
if (FAIL == ret)
|
{
|
return FAIL;
|
}
|
return SUCCESS;
|
}
|
|
void gtp_get_chip_type(struct goodix_ts_data *ts)
|
{
|
u8 opr_buf[10] = {0x00};
|
s32 ret = 0;
|
|
msleep(10);
|
|
ret = gtp_i2c_read_dbl_check(ts->client, GTP_REG_CHIP_TYPE, opr_buf, 10);
|
|
if (FAIL == ret)
|
{
|
GTP_ERROR("Failed to get chip-type, set chip type default: GOODIX_GT9");
|
ts->chip_type = CHIP_TYPE_GT9;
|
return;
|
}
|
|
if (!memcmp(opr_buf, "GOODIX_GT9", 10))
|
{
|
ts->chip_type = CHIP_TYPE_GT9;
|
}
|
else if (bgt9110)
|
{
|
ts->chip_type = CHIP_TYPE_GT9110;
|
GTP_INFO("Chip Type: GOODIX_GT9110");
|
return;
|
}
|
else // GT9XXF
|
{
|
ts->chip_type = CHIP_TYPE_GT9F;
|
}
|
GTP_INFO("Chip Type: %s", (ts->chip_type == CHIP_TYPE_GT9) ? "GOODIX_GT9" : "GOODIX_GT9F");
|
}
|
|
#endif
|
//************* For GT9XXF End ************//
|
|
/*******************************************************
|
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 = client->dev.of_node;
|
enum of_gpio_flags rst_flags, pwr_flags;
|
u32 val;
|
printk("%s() start\n", __func__);
|
|
|
GTP_DEBUG_FUNC();
|
|
//do NOT remove these logs
|
GTP_INFO("GTP Driver Version: %s", GTP_DRIVER_VERSION);
|
GTP_INFO("GTP I2C Address: 0x%02x", client->addr);
|
|
i2c_connect_client = client;
|
|
if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C))
|
{
|
GTP_ERROR("I2C check functionality failed.");
|
return -ENODEV;
|
}
|
ts = kzalloc(sizeof(*ts), GFP_KERNEL);
|
if (ts == NULL)
|
{
|
GTP_ERROR("Alloc GFP_KERNEL memory failed.");
|
return -ENOMEM;
|
}
|
|
memset(ts, 0, sizeof(*ts));
|
|
if (!np) {
|
dev_err(&client->dev, "no device tree\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 = TRUE;
|
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;
|
}
|
|
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)
|
GTP_ERROR("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->tp_select_pin = of_get_named_gpio_flags(np, "tp-select-gpio", 0, &tp_select_flags);
|
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->pendown =PEN_RELEASE;
|
ts->client = client;
|
|
|
INIT_WORK(&ts->work, goodix_ts_work_func);
|
ts->client = client;
|
spin_lock_init(&ts->irq_lock); // 2.6.39 later
|
// ts->irq_lock = SPIN_LOCK_UNLOCKED; // 2.6.39 & before
|
#if GTP_ESD_PROTECT
|
ts->clk_tick_cnt = 2 * HZ; // HZ: clock ticks in 1 second generated by system
|
GTP_DEBUG("Clock ticks for an esd cycle: %d", ts->clk_tick_cnt);
|
spin_lock_init(&ts->esd_lock);
|
// ts->esd_lock = SPIN_LOCK_UNLOCKED;
|
#endif
|
|
i2c_set_clientdata(client, ts);
|
|
ts->gtp_rawdiff_mode = 0;
|
|
ret = gtp_request_io_port(ts);
|
if (ret < 0)
|
{
|
GTP_ERROR("GTP request IO port failed.");
|
//return ret;
|
goto probe_init_error_requireio;
|
}
|
/*
|
if(gpio_get_value(ts->tp_select_pin))//WGJ
|
{
|
printk("tp 11111111111111111111111111111 WGJ\n\n");
|
gtp_x_reverse = FALSE;
|
gtp_y_reverse = TRUE;
|
}
|
else//DPT
|
{
|
printk("tp 00000000000000000000000000000 DPT\n\n");
|
gtp_x_reverse = TRUE;//FALSE;
|
gtp_y_reverse = TRUE;
|
}
|
*/
|
#if GTP_COMPATIBLE_MODE
|
gtp_get_chip_type(ts);
|
|
if (CHIP_TYPE_GT9F == ts->chip_type)
|
{
|
ret = gtp_gt9xxf_init(ts->client);
|
if (FAIL == ret)
|
{
|
GTP_INFO("Failed to init GT9XXF.");
|
}
|
}
|
#endif
|
|
ret = gtp_i2c_test(client);
|
if (ret < 0)
|
{
|
printk("<%s>_%d I2C communication ERROR!\n", __func__, __LINE__);
|
goto probe_init_error;
|
}
|
|
ret = gtp_read_version(client, &version_info);
|
if (ret < 0)
|
{
|
GTP_ERROR("Read version failed.");
|
}
|
|
ret = gtp_init_panel(ts);
|
if (ret < 0)
|
{
|
GTP_ERROR("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;
|
// Create proc file system
|
gt91xx_config_proc = proc_create(GT91XX_CONFIG_PROC_FILE, 0664, NULL, &config_proc_ops);
|
if (gt91xx_config_proc == NULL)
|
{
|
GTP_ERROR("create_proc_entry %s failed\n", GT91XX_CONFIG_PROC_FILE);
|
}
|
else
|
{
|
GTP_INFO("create proc entry %s success", GT91XX_CONFIG_PROC_FILE);
|
}
|
|
#if GTP_AUTO_UPDATE
|
ret = gup_init_update_proc(ts);
|
if (ret < 0)
|
{
|
GTP_ERROR("Create update thread error.");
|
}
|
#endif
|
|
ret = gtp_request_input_dev(client, ts);
|
if (ret < 0)
|
{
|
GTP_ERROR("GTP request input dev failed");
|
}
|
ret = gtp_request_irq(ts);
|
if (ret < 0)
|
{
|
GTP_INFO("GTP works in polling mode.");
|
}
|
else
|
{
|
GTP_INFO("GTP works in interrupt mode.");
|
}
|
|
if (ts->use_irq)
|
{
|
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_CREATE_WR_NODE
|
init_wr_node(client);
|
#endif
|
|
#if GTP_ESD_PROTECT
|
gtp_esd_switch(client, SWITCH_ON);
|
#endif
|
return 0;
|
|
probe_init_error:
|
printk(" <%s>_%d prob error !!!!!!!!!!!!!!!\n", __func__, __LINE__);
|
GTP_GPIO_FREE(ts->rst_pin);
|
GTP_GPIO_FREE(ts->irq_pin);
|
probe_init_error_requireio:
|
tp_unregister_fb(&ts->tp);
|
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);
|
|
tp_unregister_fb(&ts->tp);
|
|
GTP_DEBUG_FUNC();
|
|
#if GTP_CREATE_WR_NODE
|
uninit_wr_node();
|
#endif
|
|
#if GTP_ESD_PROTECT
|
destroy_workqueue(gtp_esd_check_workqueue);
|
#endif
|
|
if (ts)
|
{
|
if (ts->use_irq)
|
{
|
//GTP_GPIO_AS_INPUT(GTP_INT_PORT);
|
|
gpio_direction_input(ts->irq_pin);
|
//s3c_gpio_setpull(pin, S3C_GPIO_PULL_NONE);
|
|
GTP_GPIO_FREE(ts->irq_pin);
|
free_irq(client->irq, ts);
|
}
|
else
|
{
|
hrtimer_cancel(&ts->timer);
|
}
|
GTP_INFO("GTP driver removing...");
|
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;
|
|
GTP_DEBUG_FUNC();
|
|
msgs[0].flags = !I2C_M_RD;
|
msgs[0].addr = client->addr;
|
msgs[0].len = GTP_ADDR_LENGTH;
|
msgs[0].buf = &buf[0];
|
//msgs[0].scl_rate = 300 * 1000; // for Rockchip, etc.
|
|
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];
|
//msgs[1].scl_rate = 300 * 1000;
|
|
while(retries < 5)
|
{
|
ret = i2c_transfer(client->adapter, msgs, 2);
|
if(ret == 2)break;
|
retries++;
|
}
|
if ((retries >= 5))
|
{
|
GTP_ERROR("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;
|
|
GTP_DEBUG_FUNC();
|
|
msg.flags = !I2C_M_RD;
|
msg.addr = client->addr;
|
msg.len = len;
|
msg.buf = buf;
|
//msg.scl_rate = 300 * 1000; // for Rockchip, etc
|
|
while(retries < 5)
|
{
|
ret = i2c_transfer(client->adapter, &msg, 1);
|
if (ret == 1)break;
|
retries++;
|
}
|
if((retries >= 5))
|
{
|
GTP_ERROR("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 (SWITCH_ON == on) // switch on esd
|
{
|
if (!ts->esd_running)
|
{
|
ts->esd_running = 1;
|
spin_unlock(&ts->esd_lock);
|
GTP_INFO("Esd started");
|
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);
|
GTP_INFO("Esd cancelled");
|
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};
|
GTP_DEBUG("[Esd]Init external watchdog");
|
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};
|
|
GTP_DEBUG_FUNC();
|
|
ts = i2c_get_clientdata(i2c_connect_client);
|
|
if (ts->gtp_is_suspend)
|
{
|
GTP_INFO("Esd suspended!");
|
return;
|
}
|
|
for (i = 0; i < 3; i++)
|
{
|
ret = gtp_i2c_read_no_rst(ts->client, esd_buf, 4);
|
|
GTP_DEBUG("[Esd]0x8040 = 0x%02X, 0x8041 = 0x%02X", esd_buf[2], esd_buf[3]);
|
if ((ret < 0))
|
{
|
// IIC communication problem
|
continue;
|
}
|
else
|
{
|
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);
|
|
GTP_DEBUG("[Check]0x8040 = 0x%02X, 0x8041 = 0x%02X", chk_buf[2], chk_buf[3]);
|
|
if ((chk_buf[2] == 0xAA) || (chk_buf[3] != 0xAA))
|
{
|
i = 3;
|
break;
|
}
|
else
|
{
|
continue;
|
}
|
}
|
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)
|
{
|
#if GTP_COMPATIBLE_MODE
|
if (CHIP_TYPE_GT9F == ts->chip_type)
|
{
|
if (ts->rqst_processing)
|
{
|
GTP_INFO("Request processing, no esd recovery");
|
}
|
else
|
{
|
GTP_ERROR("IC working abnormally! Process esd recovery.");
|
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_esd_recovery(ts->client);
|
}
|
}
|
else
|
#endif
|
{
|
GTP_ERROR("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);
|
}
|
}
|
|
if(!ts->gtp_is_suspend)
|
{
|
queue_delayed_work(gtp_esd_check_workqueue, >p_esd_check_work, ts->clk_tick_cnt);
|
}
|
else
|
{
|
GTP_INFO("Esd suspended!");
|
}
|
return;
|
}
|
#endif
|
|
static const struct i2c_device_id goodix_ts_id[] = {
|
{ GTP_I2C_NAME, 0 },
|
{ }
|
};
|
|
static 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)
|
{
|
s32 ret;
|
|
GTP_DEBUG_FUNC();
|
GTP_INFO("GTP driver installing...");
|
goodix_wq = create_singlethread_workqueue("goodix_wq");
|
if (!goodix_wq)
|
{
|
GTP_ERROR("Creat workqueue failed.");
|
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
|
ret = i2c_add_driver(&goodix_ts_driver);
|
return ret;
|
}
|
|
/*******************************************************
|
Function:
|
Driver uninstall function.
|
Input:
|
None.
|
Output:
|
Executive Outcomes. 0---succeed.
|
********************************************************/
|
static void goodix_ts_exit(void)
|
{
|
GTP_DEBUG_FUNC();
|
GTP_INFO("GTP driver exited.");
|
i2c_del_driver(&goodix_ts_driver);
|
if (goodix_wq)
|
{
|
destroy_workqueue(goodix_wq);
|
}
|
}
|
//late_initcall(goodix_ts_init);
|
module_init(goodix_ts_init);
|
|
module_exit(goodix_ts_exit);
|
|
MODULE_DESCRIPTION("GTP Series Driver");
|
MODULE_LICENSE("GPL");
|
