diff options
Diffstat (limited to 'drivers/input/touchscreen/gt1151/gt1x_generic.c')
| -rw-r--r-- | drivers/input/touchscreen/gt1151/gt1x_generic.c | 2556 |
1 files changed, 2556 insertions, 0 deletions
diff --git a/drivers/input/touchscreen/gt1151/gt1x_generic.c b/drivers/input/touchscreen/gt1151/gt1x_generic.c new file mode 100644 index 000000000000..40c5dfff5153 --- /dev/null +++ b/drivers/input/touchscreen/gt1151/gt1x_generic.c @@ -0,0 +1,2556 @@ +/* drivers/input/touchscreen/gt1x_generic.c +* +* 2010 - 2014 Goodix Technology. +* +* This program is free software; you can redistribute it and/or modify +* it under the terms of the GNU General Public License as published by +* the Free Software Foundation; either version 2 of the License, or +* (at your option) any later version. +* +* This program is distributed in the hope that it will be a reference +* to you, when you are integrating the GOODiX's CTP IC into your system, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +* General Public License for more details. +* +* Version: 1.4 +* Release Date: 2015/07/10 +*/ + +//#include "gt1x_tpd_custom.h" +#include "gt1x.h" +#include "gt1x_generic.h" +#if GTP_PROXIMITY&&defined(PLATFORM_MTK) +#include <linux/hwmsensor.h> +#include <linux/hwmsen_dev.h> +#include <linux/sensors_io.h> +#endif +#if GTP_ICS_SLOT_REPORT +#include <linux/input/mt.h> +#endif + +/*******************GLOBAL VARIABLE*********************/ +struct i2c_client *gt1x_i2c_client = NULL; +static struct workqueue_struct *gt1x_workqueue = NULL; + +u8 gt1x_config[GTP_CONFIG_MAX_LENGTH] = { 0 }; +u32 gt1x_cfg_length = GTP_CONFIG_MAX_LENGTH; + +CHIP_TYPE_T gt1x_chip_type = CHIP_TYPE_NONE; +struct gt1x_version_info gt1x_version = { + .product_id = {0}, + .patch_id = 0, + .mask_id = 0, + .sensor_id = 0, + .match_opt = 0 +}; + +#ifndef TPD_HAVE_BUTTON +#define TPD_HAVE_BUTTON 0 +#endif + +#if GTP_HAVE_TOUCH_KEY +const u16 gt1x_touch_key_array[] = GTP_KEY_TAB; +#elif TPD_HAVE_BUTTON +struct key_map_t { +int x; +int y; +}; +static struct key_map_t tpd_virtual_key_array[]= TPD_KEY_MAP_ARRAY; +#endif + +#if GTP_WITH_STYLUS && GTP_HAVE_STYLUS_KEY +static const u16 gt1x_stylus_key_array[] = GTP_STYLUS_KEY_TAB; +#endif + +#define GOODIX_SYSFS_DIR "goodix" +static struct kobject *sysfs_rootdir = NULL; + +volatile int gt1x_rawdiff_mode = 0; +u8 gt1x_wakeup_level = 0; +u8 gt1x_init_failed = 0; +u8 gt1x_int_type = 0; +u32 gt1x_abs_x_max = 0; +u32 gt1x_abs_y_max = 0; +int gt1x_halt = 0; +int is_suspend = 0; + +static ssize_t gt1x_debug_read_proc(struct file *, char __user *, size_t, loff_t *); +static ssize_t gt1x_debug_write_proc(struct file *, const char __user *, size_t, loff_t *); + +static struct proc_dir_entry *gt1x_debug_proc_entry = NULL; +static const struct file_operations gt1x_debug_fops = { + .owner = THIS_MODULE, + .read = gt1x_debug_read_proc, + .write = gt1x_debug_write_proc, +}; + +static s32 gt1x_init_debug_node(void) +{ + gt1x_debug_proc_entry = proc_create(GT1X_DEBUG_PROC_FILE, 0660, NULL, >1x_debug_fops); + if (gt1x_debug_proc_entry == NULL) { + GTP_ERROR("Create proc entry /proc/%s FAILED!", GT1X_DEBUG_PROC_FILE); + return -1; + } + GTP_INFO("Created proc entry /proc/%s.", GT1X_DEBUG_PROC_FILE); + return 0; +} + +static void gt1x_deinit_debug_node(void) +{ + if (gt1x_debug_proc_entry != NULL) { + remove_proc_entry(GT1X_DEBUG_PROC_FILE, NULL); + } +} + +static ssize_t gt1x_debug_read_proc(struct file *file, char __user * page, size_t size, loff_t * ppos) +{ + char *ptr = page; + char temp_data[GTP_CONFIG_MAX_LENGTH] = { 0 }; + int i; + + if (*ppos) { + return 0; + } + + ptr += sprintf(ptr, "==== GT1X default config setting in driver====\n"); + + for (i = 0; i < GTP_CONFIG_MAX_LENGTH; i++) { + ptr += sprintf(ptr, "0x%02X,", gt1x_config[i]); + if (i % 10 == 9) + ptr += sprintf(ptr, "\n"); + } + + ptr += sprintf(ptr, "\n"); + + ptr += sprintf(ptr, "==== GT1X config read from chip====\n"); + i = gt1x_i2c_read(GTP_REG_CONFIG_DATA, temp_data, GTP_CONFIG_MAX_LENGTH); + GTP_INFO("I2C TRANSFER: %d", i); + for (i = 0; i < GTP_CONFIG_MAX_LENGTH; i++) { + ptr += sprintf(ptr, "0x%02X,", temp_data[i]); + + if (i % 10 == 9) + ptr += sprintf(ptr, "\n"); + } + + ptr += sprintf(ptr, "\n"); + /* Touch PID & VID */ + ptr += sprintf(ptr, "==== GT1X Version Info ====\n"); + + gt1x_i2c_read(GTP_REG_VERSION, temp_data, 12); + ptr += sprintf(ptr, "ProductID: GT%c%c%c%c\n", temp_data[0], temp_data[1], temp_data[2], temp_data[3]); + ptr += sprintf(ptr, "PatchID: %02X%02X\n", temp_data[4], temp_data[5]); + ptr += sprintf(ptr, "MaskID: %02X%02X\n", temp_data[7], temp_data[8]); + ptr += sprintf(ptr, "SensorID: %02X\n", temp_data[10] & 0x0F); + + *ppos += ptr - page; + return (ptr - page); +} + +static ssize_t gt1x_debug_write_proc(struct file *file, const char *buffer, size_t count, loff_t * ppos) +{ + s32 ret = 0; + u8 buf[GTP_CONFIG_MAX_LENGTH] = { 0 }; + char mode_str[50] = { 0 }; + int mode; + int cfg_len; + char arg1[50] = { 0 }; + u8 temp_config[GTP_CONFIG_MAX_LENGTH] = { 0 }; + + GTP_DEBUG("write count %ld\n", (unsigned long)count); + + if (count > GTP_CONFIG_MAX_LENGTH) { + GTP_ERROR("Too much data, buffer size: %d, data:%ld", GTP_CONFIG_MAX_LENGTH, (unsigned long)count); + return -EFAULT; + } + + if (copy_from_user(buf, buffer, count)) { + GTP_ERROR("copy from user fail!"); + return -EFAULT; + } + // send config + if (count == gt1x_cfg_length) { + memcpy(gt1x_config, buf, count); + ret = gt1x_send_cfg(gt1x_config, gt1x_cfg_length); + if (ret < 0) { + GTP_ERROR("send gt1x_config failed."); + return -EFAULT; + } + gt1x_abs_x_max = (gt1x_config[RESOLUTION_LOC + 1] << 8) + gt1x_config[RESOLUTION_LOC]; + gt1x_abs_y_max = (gt1x_config[RESOLUTION_LOC + 3] << 8) + gt1x_config[RESOLUTION_LOC + 2]; + + return count; + } + + sscanf(buf, "%s %d", (char *)&mode_str, &mode); + + //force clear gt1x_config + if (strcmp(mode_str, "clear_config") == 0) { + GTP_INFO("Force clear gt1x_config"); + gt1x_send_cmd(GTP_CMD_CLEAR_CFG, 0); + return count; + } + if (strcmp(mode_str, "init") == 0) { + GTP_INFO("Init panel"); + gt1x_init_panel(); + return count; + } + if (strcmp(mode_str, "chip") == 0) { + GTP_INFO("Get chip type:"); + gt1x_get_chip_type(); + return count; + } + if (strcmp(mode_str, "int") == 0) { + if (mode == 0) { + GTP_INFO("Disable irq."); + gt1x_irq_disable(); + } else { + GTP_INFO("Enable irq."); + gt1x_irq_enable(); + } + return count; + } + + if (strcmp(mode_str, "poweron") == 0) { + gt1x_power_switch(1); + return count; + } + + if (strcmp(mode_str, "poweroff") == 0) { + gt1x_power_switch(0); + return count; + } + + if (strcmp(mode_str, "version") == 0) { + gt1x_read_version(NULL); + return count; + } + + if (strcmp(mode_str, "reset") == 0) { + gt1x_irq_disable(); + gt1x_reset_guitar(); + gt1x_irq_enable(); + return count; + } +#if GTP_CHARGER_SWITCH + if (strcmp(mode_str, "charger") == 0) { + gt1x_charger_config(mode); + return count; + } +#endif +#if GTP_AUTO_UPDATE + sscanf(buf, "%s %s", (char *)&mode_str, (char *)&arg1); + if (strcmp(mode_str, "update") == 0) { + gt1x_update_firmware(arg1); + return count; + } +#endif + + if (strcmp(mode_str, "sendconfig") == 0) { + cfg_len = gt1x_parse_config(arg1, temp_config); + if (cfg_len < 0) { + return -1; + } + gt1x_send_cfg(temp_config, gt1x_cfg_length); + return count; + } + + if (strcmp(mode_str, "debug_gesture") == 0) { +#if GTP_GESTURE_WAKEUP + gt1x_gesture_debug(!!mode); +#endif + } +#if GTP_AUTO_UPDATE + if (strcmp(mode_str, "force_update") == 0) { + update_info.force_update = !!mode; + } +#endif + + return gt1x_debug_proc(buf, count); +} + +static u8 ascii2hex(u8 a) +{ + s8 value = 0; + if (a >= '0' && a <= '9') { + value = a - '0'; + } else if (a >= 'A' && a <= 'F') { + value = a - 'A' + 0x0A; + } else if (a >= 'a' && a <= 'f') { + value = a - 'a' + 0x0A; + } else { + value = 0xff; + } + return value; +} + +int gt1x_parse_config(char *filename, u8 * config) +{ + mm_segment_t old_fs; + struct file *fp = NULL; + u8 *buf; + int i; + int len; + int cur_len = -1; + u8 high, low; + + old_fs = get_fs(); + set_fs(KERNEL_DS); + + fp = filp_open(filename, O_RDONLY, 0); + if (IS_ERR(fp)) { + GTP_ERROR("Open config file error!(file: %s)", filename); + goto parse_cfg_fail1; + } + len = fp->f_op->llseek(fp, 0, SEEK_END); + if (len > GTP_CONFIG_MAX_LENGTH * 6 || len < GTP_CONFIG_MAX_LENGTH) { + GTP_ERROR("Config is invalid!(length: %d)", len); + goto parse_cfg_fail2; + } + buf = (u8 *) kzalloc(len, GFP_KERNEL); + if (buf == NULL) { + GTP_ERROR("Allocate memory failed!(size: %d)", len); + goto parse_cfg_fail2; + } + fp->f_op->llseek(fp, 0, SEEK_SET); + if (fp->f_op->read(fp, (char *)buf, len, &fp->f_pos) != len) { + GTP_ERROR("Read %d bytes from file failed!", len); + } + + GTP_INFO("Parse config file: %s (%d bytes)", filename, len); + + for (i = 0, cur_len = 0; i < len && cur_len < GTP_CONFIG_MAX_LENGTH;) { + if (buf[i] == ' ' || buf[i] == '\r' || buf[i] == '\n' || buf[i] == ',') { + i++; + continue; + } + if (buf[i] == '0' && (buf[i + 1] == 'x' || buf[i + 1] == 'X')) { + + high = ascii2hex(buf[i + 2]); + low = ascii2hex(buf[i + 3]); + + if (high != 0xFF && low != 0xFF) { + config[cur_len++] = (high << 4) + low; + i += 4; + continue; + } + } + GTP_ERROR("Illegal config file!"); + cur_len = -1; + break; + } + + if (cur_len < GTP_CONFIG_MIN_LENGTH || config[cur_len - 1] != 0x01) { + cur_len = -1; + } else { + for (i = 0; i < cur_len; i++) { + if (i % 10 == 0) { + printk("\n<<GTP-DBG>>:"); + } + printk("0x%02x,", config[i]); + } + printk("\n"); + } + + kfree(buf); +parse_cfg_fail2: + filp_close(fp, NULL); +parse_cfg_fail1: + set_fs(old_fs); + + return cur_len; +} + +s32 _do_i2c_read(struct i2c_msg * msgs, u16 addr, u8 * buffer, s32 len) +{ + s32 ret = -1; + s32 pos = 0; + s32 data_length = len; + s32 transfer_length = 0; + u8 *data = NULL; + u16 address = addr; + + data = (u8 *) kmalloc(IIC_MAX_TRANSFER_SIZE < (len + GTP_ADDR_LENGTH) ? IIC_MAX_TRANSFER_SIZE : (len + GTP_ADDR_LENGTH), GFP_KERNEL); + if (data == NULL) { + return ERROR_MEM; + } + msgs[1].buf = data; + + while (pos != data_length) { + if ((data_length - pos) > IIC_MAX_TRANSFER_SIZE) { + transfer_length = IIC_MAX_TRANSFER_SIZE; + } else { + transfer_length = data_length - pos; + } + msgs[0].buf[0] = (address >> 8) & 0xFF; + msgs[0].buf[1] = address & 0xFF; + msgs[1].len = transfer_length; + + ret = i2c_transfer(gt1x_i2c_client->adapter, msgs, 2); + if (ret != 2) { + GTP_ERROR("I2c Transfer error! (%d)", ret); + kfree(data); + return ERROR_IIC; + } + memcpy(&buffer[pos], msgs[1].buf, transfer_length); + pos += transfer_length; + address += transfer_length; + } + + kfree(data); + return 0; +} + +s32 _do_i2c_write(struct i2c_msg * msg, u16 addr, u8 * buffer, s32 len) +{ + s32 ret = -1; + s32 pos = 0; + s32 data_length = len; + s32 transfer_length = 0; + u8 *data = NULL; + u16 address = addr; + + data = (u8 *) kmalloc(IIC_MAX_TRANSFER_SIZE < (len + GTP_ADDR_LENGTH) ? IIC_MAX_TRANSFER_SIZE : (len + GTP_ADDR_LENGTH), GFP_KERNEL); + if (data == NULL) { + return ERROR_MEM; + } + msg->buf = data; + + while (pos != data_length) { + if ((data_length - pos) > (IIC_MAX_TRANSFER_SIZE - GTP_ADDR_LENGTH)) { + transfer_length = IIC_MAX_TRANSFER_SIZE - GTP_ADDR_LENGTH; + } else { + transfer_length = data_length - pos; + } + + msg->buf[0] = (address >> 8) & 0xFF; + msg->buf[1] = address & 0xFF; + msg->len = transfer_length + GTP_ADDR_LENGTH; + memcpy(&msg->buf[GTP_ADDR_LENGTH], &buffer[pos], transfer_length); + + ret = i2c_transfer(gt1x_i2c_client->adapter, msg, 1); + if (ret != 1) { + GTP_ERROR("I2c transfer error! (%d)", ret); + kfree(data); + return ERROR_IIC; + } + pos += transfer_length; + address += transfer_length; + } + + kfree(data); + return 0; +} + +#if !GTP_ESD_PROTECT +static s32 gt1x_i2c_test(void) +{ + u8 retry = 0; + s32 ret = -1; + u32 hw_info = 0; + GTP_DEBUG_FUNC(); + + while (retry++ < 3) { + ret = gt1x_i2c_read(GTP_REG_HW_INFO, (u8 *) & hw_info, sizeof(hw_info)); + if (!ret) { + GTP_INFO("Hardware Info:%08X", hw_info); + return ret; + } + + msleep(10); + GTP_ERROR("Hardware Info:%08X", hw_info); + GTP_ERROR("I2c failed%d.", retry); + } + + return ERROR_RETRY; +} +#endif + +/** +* gt1x_i2c_read_dbl_check - read twice and double check +* @addr: register address +* @buffer: data buffer +* @len: bytes to read +* Return <0: i2c error, 0: ok, 1:fail +*/ +s32 gt1x_i2c_read_dbl_check(u16 addr, u8 * buffer, s32 len) +{ + u8 buf[16] = { 0 }; + u8 confirm_buf[16] = { 0 }; + int ret; + + if (len > 16) { + GTP_ERROR("i2c_read_dbl_check length %d is too long, exceed %zu", len, sizeof(buf)); + return ERROR; + } + + memset(buf, 0xAA, sizeof(buf)); + ret = gt1x_i2c_read(addr, buf, len); + if (ret < 0) { + return ret; + } + + msleep(5); + memset(confirm_buf, 0, sizeof(confirm_buf)); + ret = gt1x_i2c_read(addr, confirm_buf, len); + if (ret < 0) { + return ret; + } + + if (!memcmp(buf, confirm_buf, len)) { + memcpy(buffer, confirm_buf, len); + return 0; + } + GTP_ERROR("i2c read 0x%04X, %d bytes, double check failed!", addr, len); + return 1; +} + +/** +* gt1x_get_info - Get information from ic, such as resolution and +* int trigger type +* Return <0: i2c failed, 0: i2c ok +*/ +s32 gt1x_get_info(void) +{ + u8 opr_buf[4] = { 0 }; + s32 ret = 0; + + ret = gt1x_i2c_read(GTP_REG_CONFIG_DATA + 1, opr_buf, 4); + if (ret < 0) { + return ret; + } + + gt1x_abs_x_max = (opr_buf[1] << 8) + opr_buf[0]; + gt1x_abs_y_max = (opr_buf[3] << 8) + opr_buf[2]; + + ret = gt1x_i2c_read(GTP_REG_CONFIG_DATA + 6, opr_buf, 1); + if (ret < 0) { + return ret; + } + gt1x_int_type = opr_buf[0] & 0x03; + + GTP_INFO("X_MAX = %d, Y_MAX = %d, TRIGGER = 0x%02x", gt1x_abs_x_max, gt1x_abs_y_max, gt1x_int_type); + + return 0; +} + +/** +* gt1x_send_cfg - Send gt1x_config Function. +* @config: pointer of the configuration array. +* @cfg_len: length of configuration array. +* Return 0--success,non-0--fail. +*/ +s32 gt1x_send_cfg(u8 * config, int cfg_len) +{ +#if GTP_DRIVER_SEND_CFG + static DEFINE_MUTEX(mutex_cfg); + int i; + s32 ret = 0; + s32 retry = 0; + u16 checksum = 0; + +#if GTP_AUTO_UPDATE + if (update_info.status) { + GTP_DEBUG("Ignore cfg during fw update."); + return -1; + } +#endif + + mutex_lock(&mutex_cfg); + GTP_DEBUG("Driver send config, length:%d", cfg_len); + for (i = 0; i < cfg_len - 3; i += 2) { + checksum += (config[i] << 8) + config[i + 1]; + } + if (!checksum) { + GTP_ERROR("Invalid config, all of the bytes is zero!"); + mutex_unlock(&mutex_cfg); + return -1; + } + checksum = 0 - checksum; + GTP_DEBUG("Config checksum: 0x%04X", checksum); + config[cfg_len - 3] = (checksum >> 8) & 0xFF; + config[cfg_len - 2] = checksum & 0xFF; + config[cfg_len - 1] = 0x01; + + while (retry++ < 5) { + ret = gt1x_i2c_write(GTP_REG_CONFIG_DATA, config, cfg_len); + if (!ret) { +// msleep(200); /* at least 200ms, wait for storing config into flash. */ + mutex_unlock(&mutex_cfg); + GTP_DEBUG("Send config successfully!"); + return 0; + } + } + GTP_ERROR("Send config failed!"); + mutex_unlock(&mutex_cfg); + return ret; +#endif + return 0; +} + +/** +* gt1x_init_panel - Prepare config data for touch ic, don't call this function +* after initialization. +* +* Return 0--success,<0 --fail. +*/ +s32 gt1x_init_panel(void) +{ + s32 ret = 0; + u8 cfg_len = 0; + +#if GTP_DRIVER_SEND_CFG + u8 sensor_id = 0; + + const u8 cfg_grp0[] = GTP_CFG_GROUP0; + const u8 cfg_grp1[] = GTP_CFG_GROUP1; + const u8 cfg_grp2[] = GTP_CFG_GROUP2; + const u8 cfg_grp3[] = GTP_CFG_GROUP3; + const u8 cfg_grp4[] = GTP_CFG_GROUP4; + const u8 cfg_grp5[] = GTP_CFG_GROUP5; + const u8 *cfgs[] = { + cfg_grp0, cfg_grp1, cfg_grp2, + cfg_grp3, cfg_grp4, cfg_grp5 + }; + u8 cfg_lens[] = { + CFG_GROUP_LEN(cfg_grp0), + CFG_GROUP_LEN(cfg_grp1), + CFG_GROUP_LEN(cfg_grp2), + CFG_GROUP_LEN(cfg_grp3), + CFG_GROUP_LEN(cfg_grp4), + CFG_GROUP_LEN(cfg_grp5) + }; + + GTP_DEBUG("Config groups length:%d,%d,%d,%d,%d,%d", cfg_lens[0], cfg_lens[1], cfg_lens[2], cfg_lens[3], cfg_lens[4], cfg_lens[5]); + + sensor_id = gt1x_version.sensor_id; + if (sensor_id >= 6 || cfg_lens[sensor_id] < GTP_CONFIG_MIN_LENGTH || cfg_lens[sensor_id] > GTP_CONFIG_MAX_LENGTH) { + sensor_id = 0; + gt1x_version.sensor_id = 0; + } + + cfg_len = cfg_lens[sensor_id]; + + GTP_INFO("Config group%d used, length:%d", sensor_id, cfg_len); + + if (cfg_len < GTP_CONFIG_MIN_LENGTH || cfg_len > GTP_CONFIG_MAX_LENGTH) { + GTP_ERROR("Config group%d is INVALID! You need to check you header file CFG_GROUP section!", sensor_id + 1); + return -1; + } + + memset(gt1x_config, 0, sizeof(gt1x_config)); + memcpy(gt1x_config, cfgs[sensor_id], cfg_len); + + /* clear the flag, avoid failure when send the_config of driver. */ + gt1x_config[0] &= 0x7F; + +#if GTP_CUSTOM_CFG + gt1x_config[RESOLUTION_LOC] = (u8) GTP_MAX_WIDTH; + gt1x_config[RESOLUTION_LOC + 1] = (u8) (GTP_MAX_WIDTH >> 8); + gt1x_config[RESOLUTION_LOC + 2] = (u8) GTP_MAX_HEIGHT; + gt1x_config[RESOLUTION_LOC + 3] = (u8) (GTP_MAX_HEIGHT >> 8); + + if (GTP_INT_TRIGGER == 0) { /* RISING */ + gt1x_config[TRIGGER_LOC] &= 0xfe; + } else if (GTP_INT_TRIGGER == 1) { /* FALLING */ + gt1x_config[TRIGGER_LOC] |= 0x01; + } + set_reg_bit(gt1x_config[MODULE_SWITCH3_LOC], 5, !gt1x_wakeup_level); +#endif /* END GTP_CUSTOM_CFG */ + +#else /* DRIVER NOT SEND CONFIG */ + cfg_len = GTP_CONFIG_MAX_LENGTH; + ret = gt1x_i2c_read(GTP_REG_CONFIG_DATA, gt1x_config, cfg_len); + if (ret < 0) { + return ret; + } +#endif /* END GTP_DRIVER_SEND_CFG */ + + GTP_DEBUG_FUNC(); + /* match resolution when gt1x_abs_x_max & gt1x_abs_y_max have been set already */ + if ((gt1x_abs_x_max == 0) && (gt1x_abs_y_max == 0)) { + gt1x_abs_x_max = (gt1x_config[RESOLUTION_LOC + 1] << 8) + gt1x_config[RESOLUTION_LOC]; + gt1x_abs_y_max = (gt1x_config[RESOLUTION_LOC + 3] << 8) + gt1x_config[RESOLUTION_LOC + 2]; + gt1x_int_type = (gt1x_config[TRIGGER_LOC]) & 0x03; + gt1x_wakeup_level = !(gt1x_config[MODULE_SWITCH3_LOC] & 0x20); + } else { + gt1x_config[RESOLUTION_LOC] = (u8) gt1x_abs_x_max; + gt1x_config[RESOLUTION_LOC + 1] = (u8) (gt1x_abs_x_max >> 8); + gt1x_config[RESOLUTION_LOC + 2] = (u8) gt1x_abs_y_max; + gt1x_config[RESOLUTION_LOC + 3] = (u8) (gt1x_abs_y_max >> 8); + set_reg_bit(gt1x_config[MODULE_SWITCH3_LOC], 5, !gt1x_wakeup_level); + gt1x_config[TRIGGER_LOC] = (gt1x_config[TRIGGER_LOC] & 0xFC) | gt1x_int_type; + } + + GTP_INFO("X_MAX=%d,Y_MAX=%d,TRIGGER=0x%02x,WAKEUP_LEVEL=%d", gt1x_abs_x_max, gt1x_abs_y_max, gt1x_int_type, gt1x_wakeup_level); + + gt1x_cfg_length = cfg_len; + ret = gt1x_send_cfg(gt1x_config, gt1x_cfg_length); + return ret; +} + +void gt1x_select_addr(void) +{ + GTP_GPIO_OUTPUT(GTP_RST_PORT, 0); + GTP_GPIO_OUTPUT(GTP_INT_PORT, gt1x_i2c_client->addr == 0x14); + msleep(2); + GTP_GPIO_OUTPUT(GTP_RST_PORT, 1); + msleep(2); +} + +static s32 gt1x_set_reset_status(void) +{ + /* 0x8040 ~ 0x8043 */ + u8 value[] = {0xAA, 0x00, 0x56, 0xAA}; + int ret; + + GTP_DEBUG("Set reset status."); + ret = gt1x_i2c_write(GTP_REG_CMD + 1, &value[1], 3); + if (ret < 0) + return ret; + + return gt1x_i2c_write(GTP_REG_CMD, value, 1); +} + +#if GTP_INCELL_PANEL +int gt1x_write_and_readback(u16 addr, u8 * buffer, s32 len) +{ + int ret; + u8 d[len]; + + ret = gt1x_i2c_write(addr, buffer, len); + if (ret < 0) + return -1; + + ret = gt1x_i2c_read(addr, d, len); + if (ret < 0 || memcmp(buffer, d, len)) + return -1; + + return 0; +} + +int gt1x_incell_reset(void) +{ +#define RST_RETRY 5 + int ret, retry = RST_RETRY; + u8 d[2]; + + + do { + /* select i2c address */ + gt1x_select_addr(); + + /* test i2c */ + ret = gt1x_i2c_read(0x4220, d, 1); + + } while (--retry && ret < 0); + + if (ret < 0) { + return -1; + } + + /* Stop cpu of the touch ic */ + retry = RST_RETRY; + do { + d[0] = 0x0C; + ret = gt1x_write_and_readback(0x4180, d, 1); + + } while (--retry && ret < 0); + + if (ret < 0) { + GTP_ERROR("Hold error."); + return -1; + } + + /* skip sensor id check. [start] */ + retry = RST_RETRY; + do { + d[0] = 0x00; + ret = gt1x_write_and_readback(0x4305, d, 1); + if (ret < 0) + continue; + + d[0] = 0x2B; + d[1] = 0x24; + ret = gt1x_write_and_readback(0x42c4, d, 2); + if (ret < 0) + continue; + + d[0] = 0xE1; + d[1] = 0xD3; + ret = gt1x_write_and_readback(0x42e4, d, 2); + if (ret < 0) + continue; + + d[0] = 0x01; + ret = gt1x_write_and_readback(0x4305, d, 1); + if (ret < 0) + continue; + else + break; + } while (--retry ); + + if (!retry) + return -1; + /* skip sensor id check. [end] */ + + /* release hold of cpu */ + retry = RST_RETRY; + do { + d[0] = 0x00; + ret = gt1x_write_and_readback(0x4180, d, 1); + + } while (--retry && ret < 0); + + if (ret < 0) + return -1; + + return 0; + +} +#endif + +s32 gt1x_reset_guitar(void) +{ + int ret; + + GTP_INFO("GTP RESET!"); + +#ifdef CONFIG_GTP_INCELL_PANEL + ret = gt1x_incell_reset(); + if (ret < 0) + return ret; +#else + gt1x_select_addr(); + usleep_range(8000, 8000); //must >= 6ms +#endif + +/* INT gpio is used to select i2c slave address + * during hardware reset, and INT synchronization + * flow informs the firmware that address selection + * has finished,if the kernel restricts the output + * of the gpio tied to IRQ line(kernel3.13 and + * later version), do the following steps: + * 1) select N to CONFIG_GTP_INT_SEL_SYNC + * in menuconfig. + * 2) config pinctrl dts, pull-up INT gpio. + * 3) chose falling-edge IRQ trigger type. + */ + GTP_GPIO_OUTPUT(GTP_INT_PORT, 0); + msleep(50); + GTP_GPIO_AS_INT(GTP_INT_PORT); + + ret = gt1x_set_reset_status(); + return ret; +} + +/** +* gt1x_read_version - Read gt1x version info. +* @ver_info: address to store version info +* Return 0-succeed. +*/ +s32 gt1x_read_version(struct gt1x_version_info * ver_info) +{ + s32 ret = -1; + u8 buf[12] = { 0 }; + u32 mask_id = 0; + u32 patch_id = 0; + u8 product_id[5] = { 0 }; + u8 sensor_id = 0; + u8 match_opt = 0; + int i, retry = 3; + u8 checksum = 0; + + GTP_DEBUG_FUNC(); + + while (retry--) { + ret = gt1x_i2c_read_dbl_check(GTP_REG_VERSION, buf, sizeof(buf)); + if (!ret) { + checksum = 0; + + for (i = 0; i < sizeof(buf); i++) { + checksum += buf[i]; + } + + if (checksum == 0 && /* first 3 bytes must be number or char */ + IS_NUM_OR_CHAR(buf[0]) && IS_NUM_OR_CHAR(buf[1]) && IS_NUM_OR_CHAR(buf[2]) && buf[10] != 0xFF) { /*sensor id == 0xFF, retry */ + break; + } else { + GTP_ERROR("Read version failed!(checksum error)"); + } + } else { + GTP_ERROR("Read version failed!"); + } + GTP_DEBUG("Read version : %d", retry); + msleep(100); + } + + if (retry <= 0) { + if (ver_info) + ver_info->sensor_id = 0; + return -1; + } + + mask_id = (u32) ((buf[7] << 16) | (buf[8] << 8) | buf[9]); + patch_id = (u32) ((buf[4] << 16) | (buf[5] << 8) | buf[6]); + memcpy(product_id, buf, 4); + sensor_id = buf[10] & 0x0F; + match_opt = (buf[10] >> 4) & 0x0F; + + GTP_INFO("IC VERSION:GT%s_%06X(Patch)_%04X(Mask)_%02X(SensorID)", product_id, patch_id, mask_id >> 8, sensor_id); + + if (ver_info != NULL) { + ver_info->mask_id = mask_id; + ver_info->patch_id = patch_id; + memcpy(ver_info->product_id, product_id, 5); + ver_info->sensor_id = sensor_id; + ver_info->match_opt = match_opt; + } + return 0; +} + +/** +* gt1x_get_chip_type - get chip type . +* +* different chip synchronize in different way, +*/ +s32 gt1x_get_chip_type(void) +{ + u8 opr_buf[4] = { 0x00 }; + u8 gt1x_data[] = { 0x02, 0x08, 0x90, 0x00 }; + u8 gt9l_data[] = { 0x03, 0x10, 0x90, 0x00 }; + s32 ret = -1; + + /* chip type already exist */ + if (gt1x_chip_type != CHIP_TYPE_NONE) { + return 0; + } + + /* read hardware */ + ret = gt1x_i2c_read_dbl_check(GTP_REG_HW_INFO, opr_buf, sizeof(opr_buf)); + if (ret) { + GTP_ERROR("I2c communication error."); + return -1; + } + + /* find chip type */ + if (!memcmp(opr_buf, gt1x_data, sizeof(gt1x_data))) { + gt1x_chip_type = CHIP_TYPE_GT1X; + } else if (!memcmp(opr_buf, gt9l_data, sizeof(gt9l_data))) { + gt1x_chip_type = CHIP_TYPE_GT2X; + } + + if (gt1x_chip_type != CHIP_TYPE_NONE) { + GTP_INFO("Chip Type: %s", (gt1x_chip_type == CHIP_TYPE_GT1X) ? "GT1X" : "GT2X"); + return 0; + } else { + return -1; + } +} + +/** +* gt1x_enter_sleep - Eter sleep function. +* +* Returns 0--success,non-0--fail. +*/ +static s32 gt1x_enter_sleep(void) +{ +#if GTP_POWER_CTRL_SLEEP + gt1x_power_switch(SWITCH_OFF); + return 0; +#else + { + s32 retry = 0; + if (gt1x_wakeup_level == 1) { /* high level wakeup */ + GTP_GPIO_OUTPUT(GTP_INT_PORT, 0); + } + msleep(5); + + while (retry++ < 3) { + if (!gt1x_send_cmd(GTP_CMD_SLEEP, 0)) { + GTP_INFO("Enter sleep mode!"); + return 0; + } + msleep(10); + } + + GTP_ERROR("Enter sleep mode failed."); + return -1; + } +#endif +} + +/** +* gt1x_wakeup_sleep - wakeup from sleep mode Function. +* +* Return: 0--success,non-0--fail. +*/ +static s32 gt1x_wakeup_sleep(void) +{ +//#if !GTP_POWER_CTRL_SLEEP + u8 retry = 0; + s32 ret = -1; + int flag = 0; +//#endif + + GTP_DEBUG("Wake up begin."); + +#if GTP_POWER_CTRL_SLEEP /* power manager unit control the procedure */ + if(!gesture_enabled){ + gt1x_resume_reset(); + GTP_INFO("Wakeup by poweron"); + return 0; + }else + printk("gesture wake enabled\n"); + +#endif /* END GTP_POWER_CTRL_SLEEP */ +//#else /* gesture wakeup & int port wakeup */ + while (retry++ < 2) { +#if GTP_GESTURE_WAKEUP + if (gesture_enabled) { + gesture_doze_status = DOZE_DISABLED; + ret = gt1x_reset_guitar(); + if(!ret) { + break; + } + } else +#endif + { + /* wake up through int port */ + GTP_GPIO_OUTPUT(GTP_INT_PORT, gt1x_wakeup_level); + msleep(5); + + /* Synchronize int IO */ + GTP_GPIO_OUTPUT(GTP_INT_PORT, 0); + msleep(50); + GTP_GPIO_AS_INT(GTP_INT_PORT); + ret = gt1x_reset_guitar(); + flag = 1; + +#if GTP_ESD_PROTECT + ret = gt1x_set_reset_status(); +#else + ret = gt1x_i2c_test(); +#endif + if (!ret) + break; + + } /* end int wakeup */ + } + + if (ret < 0 && flag) { /* int wakeup failed , try waking up by reset */ + while (retry--) { + ret = gt1x_reset_guitar(); + if(!ret) + break; + } + } + + if (ret) { + GTP_ERROR("Wake up sleep failed."); + return -1; + } else { + GTP_INFO("Wake up end."); + return 0; + } +} + +/** +* gt1x_send_cmd - seng cmd +* must write data & checksum first +* byte content +* 0 cmd +* 1 data +* 2 checksum +* Returns 0 - succeed,non-0 - failed +*/ +s32 gt1x_send_cmd(u8 cmd, u8 data) +{ + s32 ret; + static DEFINE_MUTEX(cmd_mutex); + u8 buffer[3] = { cmd, data, 0 }; + + mutex_lock(&cmd_mutex); + buffer[2] = (u8) ((0 - cmd - data) & 0xFF); + ret = gt1x_i2c_write(GTP_REG_CMD + 1, &buffer[1], 2); + ret |= gt1x_i2c_write(GTP_REG_CMD, &buffer[0], 1); + msleep(50); + mutex_unlock(&cmd_mutex); + + return ret; +} + +#if GTP_POWER_CTRL_SLEEP +void gt1x_resume_reset(void) +{ + static int rst_flag; + s32 i = 0; + + if (rst_flag) + return; +#if GTP_AUTO_UPDATE + if (update_info.status) + return; +#endif + GTP_INFO("force_reset_guitar"); + rst_flag = 1; + gt1x_power_switch(SWITCH_ON); + msleep(15); + + for (i = 0; i < 5; i++) { + if(gt1x_reset_guitar()) { + continue; + } + if(gt1x_send_cfg(gt1x_config, gt1x_cfg_length)) { + msleep(500); + continue; + } + break; + } + rst_flag = 0; +} +#endif + +void gt1x_power_reset(void) +{ + static int rst_flag; + s32 i = 0; + + if (rst_flag) + return; +#if GTP_AUTO_UPDATE + if (update_info.status) + return; +#endif + GTP_INFO("force_reset_guitar"); + rst_flag = 1; + gt1x_irq_disable(); + gt1x_irq_free(); + gt1x_power_switch(SWITCH_OFF); + msleep(30); + gt1x_power_switch(SWITCH_ON); + msleep(30); + + for (i = 0; i < 5; i++) { + if(gt1x_reset_guitar()) { + continue; + } + if(gt1x_send_cfg(gt1x_config, gt1x_cfg_length)) { + msleep(500); + continue; + } + break; + } + gt1x_irq_request(); + rst_flag = 0; +} + +s32 gt1x_request_event_handler(void) +{ + s32 ret = -1; + u8 rqst_data = 0; + + ret = gt1x_i2c_read(GTP_REG_RQST, &rqst_data, 1); + if (ret) { + GTP_ERROR("I2C transfer error. errno:%d", ret); + return -1; + } + GTP_DEBUG("Request state:0x%02x.", rqst_data); + switch (rqst_data & 0x0F) { + case GTP_RQST_CONFIG: + GTP_INFO("Request Config."); + ret = gt1x_send_cfg(gt1x_config, gt1x_cfg_length); + if (ret) { + GTP_ERROR("Send gt1x_config error."); + } else { + GTP_INFO("Send gt1x_config success."); + rqst_data = GTP_RQST_RESPONDED; + gt1x_i2c_write(GTP_REG_RQST, &rqst_data, 1); + } + break; + case GTP_RQST_RESET: + GTP_INFO("Request Reset."); + gt1x_reset_guitar(); + rqst_data = GTP_RQST_RESPONDED; + gt1x_i2c_write(GTP_REG_RQST, &rqst_data, 1); + break; + case GTP_RQST_BAK_REF: + GTP_INFO("Request Ref."); + break; + case GTP_RQST_MAIN_CLOCK: + GTP_INFO("Request main clock."); + break; +#if GTP_HOTKNOT + case GTP_RQST_HOTKNOT_CODE: + GTP_INFO("Request HotKnot Code."); + break; +#endif + default: + break; + } + return 0; +} + +/** +* gt1x_touch_event_handler - handle touch event +* (pen event, key event, finger touch envent) +* @data: +* Return <0: failed, 0: succeed +*/ +s32 gt1x_touch_event_handler(u8 * data, struct input_dev * dev, struct input_dev * pen_dev) +{ + u8 touch_data[1 + 8 * GTP_MAX_TOUCH + 2] = { 0 }; + static u16 pre_event = 0; + static u16 pre_index = 0; + u8 touch_num = 0; + u8 key_value = 0; + u16 cur_event = 0; + u8 *coor_data = NULL; + u8 check_sum = 0; + s32 input_x = 0; + s32 input_y = 0; + s32 input_w = 0; + s32 id = 0; + s32 i = 0; + s32 ret = -1; + + GTP_DEBUG_FUNC(); + touch_num = data[0] & 0x0f; + if (touch_num > GTP_MAX_TOUCH) { + GTP_ERROR("Illegal finger number!"); + return ERROR_VALUE; + } + + memcpy(touch_data, data, 11); + + /* read the remaining coor data + * 0x814E(touch status) + 8(every coordinate consist of 8 bytes data) * touch num + + * keycode + checksum + */ + if (touch_num > 1) { + ret = gt1x_i2c_read((GTP_READ_COOR_ADDR + 11), &touch_data[11], 1 + 8 * touch_num + 2 - 11); + if (ret) { + return ret; + } + } + + /* cacl checksum */ + for (i = 0; i < 1 + 8 * touch_num + 2; i++) { + check_sum += touch_data[i]; + } + if (check_sum) { /* checksum error*/ + ret = gt1x_i2c_read(GTP_READ_COOR_ADDR, touch_data, 3 + 8 * touch_num); + if (ret) { + return ret; + } + + for (i = 0, check_sum = 0; i < 3 + 8 * touch_num; i++) { + check_sum += touch_data[i]; + } + if (check_sum) { + GTP_ERROR("Checksum error[%x]",check_sum); + return ERROR_VALUE; + } + } +/* +* cur_event , pre_event bit defination +* bits: bit4 bit3 bit2 bit1 bit0 +* event: hover stylus_key stylus key touch +*/ + key_value = touch_data[1 + 8 * touch_num]; +/* start check current event */ + if ((touch_data[0] & 0x10) && key_value) { +#if (GTP_HAVE_STYLUS_KEY || GTP_HAVE_TOUCH_KEY || TPD_HAVE_BUTTON) + /* get current key states */ + if (key_value & 0xF0) { + SET_BIT(cur_event, BIT_STYLUS_KEY); + } else if (key_value & 0x0F) { + SET_BIT(cur_event, BIT_TOUCH_KEY); + } +#endif + } +#if GTP_WITH_STYLUS + else if (touch_data[1] & 0x80) { + SET_BIT(cur_event, BIT_STYLUS); + } +#endif + else if (touch_num) { + SET_BIT(cur_event, BIT_TOUCH); + } + +/* start handle current event and pre-event */ +#if GTP_HAVE_STYLUS_KEY + if (CHK_BIT(cur_event, BIT_STYLUS_KEY) || CHK_BIT(pre_event, BIT_STYLUS_KEY)) { + /* + * 0x10 -- stylus key0 down + * 0x20 -- stylus key1 down + * 0x40 -- stylus key0 & stylus key1 both down + */ + u8 temp = (key_value & 0x40) ? 0x30 : key_value; + for (i = 4; i < 6; i++) { + input_report_key(pen_dev, gt1x_stylus_key_array[i - 4], temp & (0x01 << i)); + } + GTP_DEBUG("Stulus key event."); + } +#endif + +#if GTP_WITH_STYLUS + if (CHK_BIT(cur_event, BIT_STYLUS)) { + coor_data = &touch_data[1]; + id = coor_data[0] & 0x7F; + 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); + + input_x = GTP_WARP_X(gt1x_abs_x_max, input_x); + input_y = GTP_WARP_Y(gt1x_abs_y_max, input_y); + + GTP_DEBUG("Pen touch DOWN."); + gt1x_pen_down(input_x, input_y, input_w, 0); + } else if (CHK_BIT(pre_event, BIT_STYLUS)) { + GTP_DEBUG("Pen touch UP."); + gt1x_pen_up(0); + } +#endif + +#if GTP_HAVE_TOUCH_KEY + if (CHK_BIT(cur_event, BIT_TOUCH_KEY) || CHK_BIT(pre_event, BIT_TOUCH_KEY)) { + for (i = 0; i < GTP_MAX_KEY_NUM; i++) { + input_report_key(dev, gt1x_touch_key_array[i], key_value & (0x01 << i)); + } + if (CHK_BIT(cur_event, BIT_TOUCH_KEY)) { + GTP_DEBUG("Key Down."); + } else { + GTP_DEBUG("Key Up."); + } + } +#elif TPD_HAVE_BUTTON + if (CHK_BIT(cur_event, BIT_TOUCH_KEY) || CHK_BIT(pre_event, BIT_TOUCH_KEY)) { + for (i = 0; i < TPD_KEY_COUNT; i++) { + if (key_value & (0x01 << i)) { + gt1x_touch_down(tpd_virtual_key_array[i].x, tpd_virtual_key_array[i].y, 0, 0); + GTP_DEBUG("Key Down."); + break; + } + } + if (i == TPD_KEY_COUNT) { + gt1x_touch_up(0); + GTP_DEBUG("Key Up."); + } + } +#endif + +/* finger touch event*/ + if (CHK_BIT(cur_event, BIT_TOUCH)) { + u8 report_num = 0; + coor_data = &touch_data[1]; + id = coor_data[0] & 0x0F; + for (i = 0; i < GTP_MAX_TOUCH; i++) { + if (i == id) { + 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); + + input_x = GTP_WARP_X(gt1x_abs_x_max, input_x); + input_y = GTP_WARP_Y(gt1x_abs_y_max, input_y); + + GTP_DEBUG("(%d)(%d,%d)[%d]", id, input_x, input_y, input_w); + gt1x_touch_down(input_x, input_y, input_w, i); + if (report_num++ < touch_num) { + coor_data += 8; + id = coor_data[0] & 0x0F; + } + pre_index |= 0x01 << i; + } else if (pre_index & (0x01 << i)) { +#if GTP_ICS_SLOT_REPORT + gt1x_touch_up(i); +#endif + pre_index &= ~(0x01 << i); + } + } + } else if (CHK_BIT(pre_event, BIT_TOUCH)) { +#if GTP_ICS_SLOT_REPORT + int cycles = pre_index < 3 ? 3 : GTP_MAX_TOUCH; + for (i = 0; i < cycles; i++) { + if (pre_index >> i & 0x01) { + gt1x_touch_up(i); + } + } +#else + gt1x_touch_up(0); +#endif + GTP_DEBUG("Released Touch."); + pre_index = 0; + } + + /* start sync input report */ + if (CHK_BIT(cur_event, BIT_STYLUS_KEY | BIT_STYLUS) + || CHK_BIT(pre_event, BIT_STYLUS_KEY | BIT_STYLUS)) { + input_sync(pen_dev); + } + + if (CHK_BIT(cur_event, BIT_TOUCH_KEY | BIT_TOUCH) + || CHK_BIT(pre_event, BIT_TOUCH_KEY | BIT_TOUCH)) { + input_sync(dev); + } + + if (unlikely(!pre_event && !cur_event)) { + GTP_DEBUG("Additional Int Pulse."); + } else { + pre_event = cur_event; + } + + return 0; +} + +#if GTP_WITH_STYLUS +struct input_dev *pen_dev; + +static void gt1x_pen_init(void) +{ + s32 ret = 0; + + pen_dev = input_allocate_device(); + if (pen_dev == NULL) { + GTP_ERROR("Failed to allocate input device for pen/stylus."); + return; + } + + pen_dev->evbit[0] = BIT_MASK(EV_SYN) | BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); + pen_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH); + + set_bit(BTN_TOOL_PEN, pen_dev->keybit); + set_bit(INPUT_PROP_DIRECT, pen_dev->propbit); + +#if GTP_HAVE_STYLUS_KEY + input_set_capability(pen_dev, EV_KEY, BTN_STYLUS); + input_set_capability(pen_dev, EV_KEY, BTN_STYLUS2); +#endif + + input_set_abs_params(pen_dev, ABS_MT_POSITION_X, 0, gt1x_abs_x_max, 0, 0); + input_set_abs_params(pen_dev, ABS_MT_POSITION_Y, 0, gt1x_abs_y_max, 0, 0); + input_set_abs_params(pen_dev, ABS_MT_PRESSURE, 0, 255, 0, 0); + input_set_abs_params(pen_dev, ABS_MT_TOUCH_MAJOR, 0, 255, 0, 0); + input_set_abs_params(pen_dev, ABS_MT_TRACKING_ID, 0, 255, 0, 0); + + pen_dev->name = "goodix-pen"; + pen_dev->phys = "input/ts"; + pen_dev->id.bustype = BUS_I2C; + + ret = input_register_device(pen_dev); + if (ret) { + GTP_ERROR("Register %s input device failed", pen_dev->name); + return; + } +} + +void gt1x_pen_down(s32 x, s32 y, s32 size, s32 id) +{ + input_report_key(pen_dev, BTN_TOOL_PEN, 1); +#if GTP_CHANGE_X2Y + GTP_SWAP(x, y); +#endif + + printk("touch x = %d,y = %d \n", x,y); +#if GTP_ICS_SLOT_REPORT + input_mt_slot(pen_dev, id); + input_report_abs(pen_dev, ABS_MT_PRESSURE, size); + input_report_abs(pen_dev, ABS_MT_TOUCH_MAJOR, size); + input_report_abs(pen_dev, ABS_MT_TRACKING_ID, id); + input_report_abs(pen_dev, ABS_MT_POSITION_X, x); + input_report_abs(pen_dev, ABS_MT_POSITION_Y, y); +#else + input_report_key(pen_dev, BTN_TOUCH, 1); + if ((!size) && (!id)) { + /* for virtual button */ + input_report_abs(pen_dev, ABS_MT_PRESSURE, 100); + input_report_abs(pen_dev, ABS_MT_TOUCH_MAJOR, 100); + } else { + input_report_abs(pen_dev, ABS_MT_PRESSURE, size); + input_report_abs(pen_dev, ABS_MT_TOUCH_MAJOR, size); + input_report_abs(pen_dev, ABS_MT_TRACKING_ID, id); + } + input_report_abs(pen_dev, ABS_MT_POSITION_X, x); + input_report_abs(pen_dev, ABS_MT_POSITION_Y, y); + input_mt_sync(pen_dev); +#endif +} + +void gt1x_pen_up(s32 id) +{ + input_report_key(pen_dev, BTN_TOOL_PEN, 0); +#if GTP_ICS_SLOT_REPORT + input_mt_slot(pen_dev, id); + input_report_abs(pen_dev, ABS_MT_TRACKING_ID, -1); +#else + input_report_key(pen_dev, BTN_TOUCH, 0); + input_mt_sync(pen_dev); +#endif +} +#endif + +/** +* Proximity Module +*/ +#if GTP_PROXIMITY +#define GTP_PS_DEV_NAME "goodix_proximity" +#define GTP_REG_PROXIMITY_ENABLE 0x8049 +#define PS_FARAWAY 1 +#define PS_NEAR 0 +struct gt1x_ps_device{ + int enabled; // module enabled/disabled + int state; // Faraway or Near +#ifdef PLATFORM_MTK + struct hwmsen_object obj_ps; +#else + struct input_dev *input_dev; + struct kobject *kobj; +#endif +}; +static struct gt1x_ps_device *gt1x_ps_dev; + +static void gt1x_ps_report(int state) +{ +#ifdef PLATFORM_MTK + s32 ret = -1; + + hwm_sensor_data sensor_data; + //map and store data to hwm_sensor_data + sensor_data.values[0] = !!state; + sensor_data.value_divide = 1; + sensor_data.status = SENSOR_STATUS_ACCURACY_MEDIUM; + //report to the up-layer + ret = hwmsen_get_interrupt_data(ID_PROXIMITY, &sensor_data); + if (ret) { + GTP_ERROR("Call hwmsen_get_interrupt_data fail = %d\n", ret); + } +#else + input_report_abs(gt1x_ps_dev->input_dev, ABS_DISTANCE, !!state); + input_sync(gt1x_ps_dev->input_dev); +#endif /* End PLATFROM_MTK */ + + GTP_INFO("Report proximity state: %s", state == PS_FARAWAY? "FARAWAY":"NEAR"); +} + +static s32 gt1x_ps_enable(s32 enable) +{ + u8 state; + s32 ret = -1; + + GTP_INFO("Proximity function to be %s.", enable ? "on" : "off"); + state = enable ? 1 : 0; + if (gt1x_chip_type == CHIP_TYPE_GT1X) + ret = gt1x_i2c_write(GTP_REG_PROXIMITY_ENABLE, &state, 1); + else if (gt1x_chip_type == CHIP_TYPE_GT2X) + ret = gt1x_send_cmd(state ? 0x12 : 0x13, 0); + if (ret) { + GTP_ERROR("GTP %s proximity cmd failed.", state ? "enable" : "disable"); + } + + if (!ret && enable) { + gt1x_ps_dev->enabled = 1; + } else { + gt1x_ps_dev->enabled = 0; + } + gt1x_ps_dev->state = PS_FARAWAY; + GTP_INFO("Proximity function %s %s.", state ? "enable" : "disable", ret ? "fail" : "success"); + return ret; +} + +int gt1x_prox_event_handler(u8 * data) +{ + u8 ps = 0; + + if (gt1x_ps_dev && gt1x_ps_dev->enabled) { + ps = (data[0] & 0x60) ? 0 : 1; + if (ps != gt1x_ps_dev->state) { + gt1x_ps_report(ps); + gt1x_ps_dev->state = ps; + GTP_DEBUG("REG INDEX[0x814E]:0x%02X\n", data[0]); + } + + return (ps == PS_NEAR? 1 : 0); + } + return -1; +} + +#ifdef PLATFORM_MTK +static inline s32 gt1x_get_ps_value(void) +{ + return gt1x_ps_dev->state; +} + +static s32 gt1x_ps_operate(void *self, u32 command, void *buff_in, s32 size_in, void *buff_out, s32 size_out, s32 * actualout) +{ + s32 err = 0; + s32 value; + hwm_sensor_data *sensor_data; + + GTP_INFO("psensor operator cmd:%d", command); + switch (command) { + case SENSOR_DELAY: + if ((buff_in == NULL) || (size_in < sizeof(int))) { + GTP_ERROR("Set delay parameter error!"); + err = -EINVAL; + } + // Do nothing + break; + + case SENSOR_ENABLE: + if ((buff_in == NULL) || (size_in < sizeof(int))) { + GTP_ERROR("Enable sensor parameter error!"); + err = -EINVAL; + } else { + value = *(int *)buff_in; + err = gt1x_ps_enable(value); + } + + break; + + case SENSOR_GET_DATA: + if ((buff_out == NULL) || (size_out < sizeof(hwm_sensor_data))) { + GTP_ERROR("Get sensor data parameter error!"); + err = -EINVAL; + } else { + sensor_data = (hwm_sensor_data *) buff_out; + sensor_data->values[0] = gt1x_get_ps_value(); + sensor_data->value_divide = 1; + sensor_data->status = SENSOR_STATUS_ACCURACY_MEDIUM; + } + + break; + + default: + GTP_ERROR("proxmy sensor operate function no this parameter %d!\n", command); + err = -1; + break; + } + + return err; +} +#endif + +#ifndef PLATFORM_MTK +static ssize_t gt1x_ps_enable_show(struct kobject *kobj, struct kobj_attribute *attr, + char *buf) { + return scnprintf(buf, PAGE_SIZE, "%d", gt1x_ps_dev->enabled); +} + +static ssize_t gt1x_ps_enable_store(struct kobject *kobj, struct kobj_attribute *attr, + const char *buf, size_t count) { + unsigned int input; + if(sscanf(buf, "%u", &input) != 1) { + return -EINVAL; + } + if(input == 1) { + gt1x_ps_enable(1); + gt1x_ps_report(PS_FARAWAY); + } else if(input == 0) { + gt1x_ps_report(PS_FARAWAY); + gt1x_ps_enable(0); + } else { + return -EINVAL; + } + return count; +} + +static ssize_t gt1x_ps_state_show(struct kobject *kobj, struct kobj_attribute *attr, + char *buf) { + return scnprintf(buf, PAGE_SIZE, "%d", gt1x_ps_dev->state); +} + +static ssize_t gt1x_ps_state_store(struct kobject *kobj, struct kobj_attribute *attr, + const char *buf, size_t count) { + unsigned int input; + if(sscanf(buf, "%u", &input) != 1) { + return -EINVAL; + } + + if (!gt1x_ps_dev->enabled) { + return -EINVAL; + } + + if(input == 1) { + gt1x_ps_dev->state = PS_FARAWAY; + } else if(input == 0) { + gt1x_ps_dev->state = PS_NEAR; + } else { + return -EINVAL; + } + + gt1x_ps_report(gt1x_ps_dev->state); + return count; +} + +static struct kobj_attribute ps_attrs[] = { + __ATTR(enable, S_IWUGO | S_IRUGO, gt1x_ps_enable_show, gt1x_ps_enable_store), + __ATTR(state, S_IWUGO | S_IRUGO, gt1x_ps_state_show, gt1x_ps_state_store) +}; + +#endif /* End PLATFORM_MTK */ + +static int gt1x_ps_init(void) +{ + int err; + + gt1x_ps_dev = kzalloc(sizeof(struct gt1x_ps_device), GFP_KERNEL); + if (!gt1x_ps_dev) { + return -ENOMEM; + } + + gt1x_ps_dev->state = PS_FARAWAY; + +#ifdef PLATFORM_MTK + gt1x_ps_dev->obj_ps.polling = 0; //0--interrupt mode;1--polling mode; + gt1x_ps_dev->obj_ps.sensor_operate = gt1x_ps_operate; + + if ((err = hwmsen_attach(ID_PROXIMITY, >1x_ps_dev->obj_ps))) { + GTP_ERROR("hwmsen attach fail, return:%d.", err); + goto err_exit; + } + + GTP_INFO("hwmsen attach OK."); + return 0; +#else + gt1x_ps_dev->input_dev = input_allocate_device(); + if(!gt1x_ps_dev->input_dev) { + GTP_ERROR("Failed to alloc inpput device for proximity!"); + err = -ENOMEM; + goto err_exit; + } + + gt1x_ps_dev->input_dev->name = GTP_PS_DEV_NAME; + gt1x_ps_dev->input_dev->phys = "goodix/proximity"; + gt1x_ps_dev->input_dev->id.bustype = BUS_I2C; + gt1x_ps_dev->input_dev->id.vendor = 0xDEED; + gt1x_ps_dev->input_dev->id.product = 0xBEEF; + gt1x_ps_dev->input_dev->id.version = 1; + set_bit(EV_ABS, gt1x_ps_dev->input_dev->evbit); + input_set_abs_params(gt1x_ps_dev->input_dev, ABS_DISTANCE, 0, 1, 0, 0); + + err = input_register_device(gt1x_ps_dev->input_dev); + if(err) { + GTP_ERROR("Failed to register proximity input device: %s!", gt1x_ps_dev->input_dev->name); + goto err_register_dev; + } + /* register sysfs interface */ + if (!sysfs_rootdir) { + sysfs_rootdir = kobject_create_and_add("goodix", NULL); + if(!sysfs_rootdir){ + GTP_ERROR("Failed to create and add sysfs interface: goodix."); + err = -ENOMEM; + goto err_register_dev; + } + } + + gt1x_ps_dev->kobj = kobject_create_and_add("proximity", sysfs_rootdir); + if(!gt1x_ps_dev->kobj){ + GTP_ERROR("Failed to create and add sysfs interface: proximity."); + err = -ENOMEM; + goto err_register_dev; + } + // create sysfs files + { + int i; + for(i = 0; i < sizeof(ps_attrs)/sizeof(ps_attrs[0]); i++) { + if((err = sysfs_create_file(gt1x_ps_dev->kobj, &ps_attrs[i].attr))) { + goto err_create_file; + } + } + } + + GTP_INFO("Proximity sensor init OK."); + return 0; +err_create_file: + kobject_put(gt1x_ps_dev->kobj); +err_register_dev: + input_free_device(gt1x_ps_dev->input_dev); +#endif /* End PLATFROM_MTK */ + +err_exit: + kfree(gt1x_ps_dev); + gt1x_ps_dev = NULL; + return err; +} + +static void gt1x_ps_deinit(void) +{ + if(gt1x_ps_dev) { +#ifndef PLATFORM_MTK + int i = 0; + for(; i < sizeof(ps_attrs) / sizeof(ps_attrs[0]); i++) { + sysfs_remove_file(gt1x_ps_dev->kobj, &ps_attrs[i].attr); + } + kobject_del(gt1x_ps_dev->kobj); + input_free_device(gt1x_ps_dev->input_dev); +#endif + kfree(gt1x_ps_dev); + } +} + +#endif /*GTP_PROXIMITY */ + +/** +* ESD Protect Module +*/ +#if GTP_ESD_PROTECT +static int esd_work_cycle = 200; +static struct delayed_work esd_check_work; +static int esd_running = 0; +static struct mutex esd_lock; +static void gt1x_esd_check_func(struct work_struct *); + +void gt1x_init_esd_protect(void) +{ + esd_work_cycle = 2 * HZ; // HZ: clock ticks in 1 second generated by system + GTP_DEBUG("Clock ticks for an esd cycle: %d", esd_work_cycle); + INIT_DELAYED_WORK(&esd_check_work, gt1x_esd_check_func); + mutex_init(&esd_lock); +} + +static void gt1x_deinit_esd_protect(void) +{ + gt1x_esd_switch(SWITCH_OFF); +} + +void gt1x_esd_switch(s32 on) +{ + mutex_lock(&esd_lock); + if (SWITCH_ON == on) { /* switch on esd check */ + if (!esd_running) { + esd_running = 1; + GTP_INFO("Esd protector started!"); + queue_delayed_work(gt1x_workqueue, &esd_check_work, esd_work_cycle); + } + } else { /* switch off esd check */ + if (esd_running) { + esd_running = 0; + GTP_INFO("Esd protector stoped!"); + cancel_delayed_work(&esd_check_work); + } + } + mutex_unlock(&esd_lock); +} + +static void gt1x_esd_check_func(struct work_struct *work) +{ + s32 i = 0; + s32 ret = -1; + u8 esd_buf[4] = { 0 }; + + if (!esd_running) { + GTP_INFO("Esd protector suspended!"); + return; + } + + for (i = 0; i < 3; i++) { + ret = gt1x_i2c_read(GTP_REG_CMD, esd_buf, 4); + GTP_DEBUG("[Esd]0x8040 = 0x%02X, 0x8043 = 0x%02X", esd_buf[0], esd_buf[3]); + if (!ret && esd_buf[0] != 0xAA && esd_buf[3] == 0xAA) { + break; + } + msleep(50); + } + + if (likely(i < 3)) { + /* IC works normally, Write 0x8040 0xAA, feed the watchdog */ + gt1x_send_cmd(GTP_CMD_ESD, 0); + } else { + if (esd_running) { + GTP_ERROR("IC works abnormally! Process reset guitar."); + memset(esd_buf, 0x01, sizeof(esd_buf)); + gt1x_i2c_write(0x4226, esd_buf, sizeof(esd_buf)); + msleep(50); + + gt1x_power_reset(); + } else { + GTP_INFO("Esd protector suspended, no need reset!"); + } + } + + mutex_lock(&esd_lock); + if (esd_running) { + queue_delayed_work(gt1x_workqueue, &esd_check_work, esd_work_cycle); + } else { + GTP_INFO("Esd protector suspended!"); + } + mutex_unlock(&esd_lock); +} +#endif + +/** +* Smart Cover Module +*/ +#if GTP_SMART_COVER +struct smart_cover_device{ + int enabled; + int state; // 0:cover faraway 1:near + int suspended; // suspended or woring + struct kobject *kobj; + u8 config[GTP_CONFIG_MAX_LENGTH]; + int cfg_len; +}; +static struct smart_cover_device *gt1x_sc_dev; + +/** +* gt1x_smart_cover_update_state - update smart cover config +*/ +static int gt1x_smart_cover_update_state(void) +{ + int ret = 0; + struct smart_cover_device *dev = gt1x_sc_dev; + + if (!dev) { + return -ENODEV; + } + + if(!dev->suspended) { + if(dev->state) { /* near */ + ret = gt1x_send_cfg(dev->config, dev->cfg_len); + } else { + #if GTP_CHARGER_SWITCH + gt1x_charger_config(1); // charger detector module check and + // send a config + #else + ret = gt1x_send_cfg(gt1x_config, gt1x_cfg_length); + #endif + } + GTP_DEBUG("Update cover state %s.", dev->state ? "Nearby" : "Far away"); + } else { + GTP_DEBUG("TP is suspended, do nothing."); + } + return ret; +} + +static ssize_t smart_cover_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) +{ + struct smart_cover_device *dev = gt1x_sc_dev; + + if (!dev) { + return -ENODEV; + } + + return scnprintf(buf, PAGE_SIZE, "%d", dev->state); +} + +static ssize_t smart_cover_store(struct kobject *kobj, struct kobj_attribute *attr, const char *buf, size_t count) +{ + struct smart_cover_device *dev = gt1x_sc_dev; + int s = (buf[0] - '0'); + + if (!dev || !dev->enabled || s > 1 || s == dev->state) { + return count; + } + + dev->state = s; + gt1x_smart_cover_update_state(); + + return count; +} + +/** +* gt1x_parse_sc_cfg - parse smart cover config +* @sensor_id: sensor id of the hardware +*/ +int gt1x_parse_sc_cfg(int sensor_id) +{ +#undef _cfg_array_ +#define _cfg_array_(n) GTP_SMART_COVER_CFG_GROUP##n + + u8 *cfg; + int *len; + + if (!gt1x_sc_dev) + return -ENODEV; + cfg = gt1x_sc_dev->config; + len = >1x_sc_dev->cfg_len; + +#if GTP_DRIVER_SEND_CFG + do{ + u8 cfg_grp0[] = _cfg_array_(0); + u8 cfg_grp1[] = _cfg_array_(1); + u8 cfg_grp2[] = _cfg_array_(2); + u8 cfg_grp3[] = _cfg_array_(3); + u8 cfg_grp4[] = _cfg_array_(4); + u8 cfg_grp5[] = _cfg_array_(5); + u8 *cfgs[] = { + cfg_grp0, cfg_grp1, cfg_grp2, + cfg_grp3, cfg_grp4, cfg_grp5 + }; + u8 cfg_lens[] = { + CFG_GROUP_LEN(cfg_grp0), CFG_GROUP_LEN(cfg_grp1), + CFG_GROUP_LEN(cfg_grp2), CFG_GROUP_LEN(cfg_grp3), + CFG_GROUP_LEN(cfg_grp4), CFG_GROUP_LEN(cfg_grp5) + }; + + if (sensor_id >= sizeof(cfgs) / sizeof(cfgs[0])) { + GTP_ERROR("Invalid sensor id."); + return -1; + } + + *len = cfg_lens[sensor_id]; + if (*len == 0 || *len != gt1x_cfg_length) { + memset(cfg, 0, GTP_CONFIG_MAX_LENGTH); + *len = 0; + GTP_ERROR("Length of config is incorrect."); + return -1; + } + + memcpy(cfg, cfgs[sensor_id], cfg_lens[sensor_id]); + + cfg[0] &= 0x7F; + set_reg_bit(cfg[TRIGGER_LOC], 0, gt1x_int_type); + set_reg_bit(cfg[MODULE_SWITCH3_LOC], 5, !gt1x_wakeup_level); + }while(0); +#endif + return 0; +} + + +static struct kobj_attribute sc_attr = + __ATTR(state, S_IWUGO | S_IRUGO, smart_cover_show, smart_cover_store); +static int gt1x_smart_cover_init(void) +{ + int err = 0; + + gt1x_sc_dev = kzalloc(sizeof(struct smart_cover_device), GFP_KERNEL); + if (!gt1x_sc_dev) { + GTP_ERROR("SmartCover init failed in step: 1."); + return -ENOMEM; + } + + gt1x_sc_dev->enabled = 1; + gt1x_parse_sc_cfg(gt1x_version.sensor_id); + + if (!sysfs_rootdir) { + // this kobject is shared between modules, do not free it when error occur + sysfs_rootdir = kobject_create_and_add(GOODIX_SYSFS_DIR, NULL); + if (!sysfs_rootdir) { + err = -2; + goto exit_free_mem; + } + } + + if (!gt1x_sc_dev->kobj) + gt1x_sc_dev->kobj = kobject_create_and_add("smartcover", sysfs_rootdir); + if (!gt1x_sc_dev->kobj) { + err = -3; + goto exit_free_mem; + } + + if(sysfs_create_file(gt1x_sc_dev->kobj, &sc_attr.attr)) { + err = -4; + goto exit_put_kobj; + } + + GTP_INFO("SmartCover module init OK."); + return 0; + +exit_put_kobj: + kobject_put(gt1x_sc_dev->kobj); +exit_free_mem: + kfree(gt1x_sc_dev); + gt1x_sc_dev = NULL; + GTP_ERROR("SmartCover init failed in step:%d", -err); + return err; +} + +static void gt1x_smart_cover_deinit(void) +{ + if (!gt1x_sc_dev) { + return; + } + + kobject_del(gt1x_sc_dev->kobj); + kfree(gt1x_sc_dev); + gt1x_sc_dev = NULL; +} +#endif + +/** +* Charger Detect & Switch Module +*/ +#if GTP_CHARGER_SWITCH +static u8 gt1x_config_charger[GTP_CONFIG_MAX_LENGTH] = { 0 }; +static struct delayed_work charger_switch_work; +static int charger_work_cycle = 200; +static spinlock_t charger_lock; +static int charger_running = 0; +static void gt1x_charger_work_func(struct work_struct *); + +/** +* gt1x_parse_chr_cfg - parse charger config +* @sensor_id: sensor id of the hardware +* Return: 0: succeed, <0 error +*/ +int gt1x_parse_chr_cfg(int sensor_id) +{ +#undef _cfg_array_ +#define _cfg_array_(n) GTP_CHARGER_CFG_GROUP##n + + u8 *cfg; + int len; + cfg = gt1x_config_charger; + +#if GTP_DRIVER_SEND_CFG + do{ + u8 cfg_grp0[] = _cfg_array_(0); + u8 cfg_grp1[] = _cfg_array_(1); + u8 cfg_grp2[] = _cfg_array_(2); + u8 cfg_grp3[] = _cfg_array_(3); + u8 cfg_grp4[] = _cfg_array_(4); + u8 cfg_grp5[] = _cfg_array_(5); + u8 *cfgs[] = { + cfg_grp0, cfg_grp1, cfg_grp2, + cfg_grp3, cfg_grp4, cfg_grp5 + }; + u8 cfg_lens[] = { + CFG_GROUP_LEN(cfg_grp0), CFG_GROUP_LEN(cfg_grp1), + CFG_GROUP_LEN(cfg_grp2), CFG_GROUP_LEN(cfg_grp3), + CFG_GROUP_LEN(cfg_grp4), CFG_GROUP_LEN(cfg_grp5) + }; + + if (sensor_id >= sizeof(cfgs) / sizeof(cfgs[0])) { + return -1; + } + + len = cfg_lens[sensor_id]; + if (len == 0 || len != gt1x_cfg_length) { + memset(cfg, 0, GTP_CONFIG_MAX_LENGTH); + GTP_ERROR("Length of config is incorrect."); + return -1; + } + + memcpy(cfg, cfgs[sensor_id], cfg_lens[sensor_id]); + + cfg[0] &= 0x7F; + cfg[RESOLUTION_LOC] = (u8) gt1x_abs_x_max; + cfg[RESOLUTION_LOC + 1] = (u8) (gt1x_abs_x_max >> 8); + cfg[RESOLUTION_LOC + 2] = (u8) gt1x_abs_y_max; + cfg[RESOLUTION_LOC + 3] = (u8) (gt1x_abs_y_max >> 8); + + set_reg_bit(cfg[TRIGGER_LOC], 0, gt1x_int_type); + set_reg_bit(cfg[MODULE_SWITCH3_LOC], 5, !gt1x_wakeup_level); + }while(0); +#endif + return 0; +} + + +static void gt1x_init_charger(void) +{ + charger_work_cycle = 2 * HZ; // HZ: clock ticks in 1 second generated by system + GTP_DEBUG("Clock ticks for an charger cycle: %d", charger_work_cycle); + INIT_DELAYED_WORK(&charger_switch_work, gt1x_charger_work_func); + spin_lock_init(&charger_lock); + + if (gt1x_parse_chr_cfg(gt1x_version.sensor_id) < 0) { + GTP_ERROR("Error occured when parse charger config."); + } +} + +/** +* gt1x_charger_switch - switch states of charging work thread +* +* @on: SWITCH_ON - start work thread, SWITCH_OFF: stop . +* +*/ +void gt1x_charger_switch(s32 on) +{ + spin_lock(&charger_lock); + if (SWITCH_ON == on) { + if (!charger_running) { + charger_running = 1; + spin_unlock(&charger_lock); + GTP_INFO("Charger checker started!"); + queue_delayed_work(gt1x_workqueue, &charger_switch_work, charger_work_cycle); + } else { + spin_unlock(&charger_lock); + } + } else { + if (charger_running) { + charger_running = 0; + spin_unlock(&charger_lock); + cancel_delayed_work(&charger_switch_work); + GTP_INFO("Charger checker stoped!"); + } else { + spin_unlock(&charger_lock); + } + } +} + +/** +* gt1x_charger_config - check and update charging status configuration +* @dir_update +* 0: check before send charging status configuration +* 1: directly send charging status configuration +* +*/ +void gt1x_charger_config(s32 dir_update) +{ + static u8 chr_pluggedin = 0; + +#if GTP_SMART_COVER + if (gt1x_sc_dev && gt1x_sc_dev->enabled + && gt1x_sc_dev->state) { + return; + } +#endif + + if (gt1x_get_charger_status()) { + if (!chr_pluggedin || dir_update) { + GTP_INFO("Charger Plugin."); + if (gt1x_send_cfg(gt1x_config_charger, gt1x_cfg_length)) { + GTP_ERROR("Send config for Charger Plugin failed!"); + } + if (gt1x_send_cmd(GTP_CMD_CHARGER_ON, 0)) { + GTP_ERROR("Update status for Charger Plugin failed!"); + } + chr_pluggedin = 1; + } + } else { + if (chr_pluggedin || dir_update) { + GTP_INFO("Charger Plugout."); + if (gt1x_send_cfg(gt1x_config, gt1x_cfg_length)) { + GTP_ERROR("Send config for Charger Plugout failed!"); + } + if (gt1x_send_cmd(GTP_CMD_CHARGER_OFF, 0)) { + GTP_ERROR("Update status for Charger Plugout failed!"); + } + chr_pluggedin = 0; + } + } +} + +static void gt1x_charger_work_func(struct work_struct *work) +{ + if (!charger_running) { + GTP_INFO("Charger checker suspended!"); + return; + } + + gt1x_charger_config(0); + + GTP_DEBUG("Charger check done!"); + if (charger_running) { + queue_delayed_work(gt1x_workqueue, &charger_switch_work, charger_work_cycle); + } +} +#endif + +int gt1x_suspend(void) +{ + s32 ret = -1; + struct pinctrl *pinctrl_irq; + struct pinctrl_state *pinctrl_suspend; +#if GTP_HOTKNOT && !HOTKNOT_BLOCK_RW + u8 buf[1] = { 0 }; +#endif + if(is_suspend) + return 0; +#if GTP_AUTO_UPDATE + if (update_info.status) { + return 0; + } +#endif +#if GTP_SMART_COVER + if (gt1x_sc_dev) { + gt1x_sc_dev->suspended = 1; + } +#endif + GTP_INFO("Suspend start..."); +#if GTP_PROXIMITY + if (gt1x_ps_dev && gt1x_ps_dev->enabled) { + GTP_INFO("proximity is detected!"); + return 0; + } +#endif + +#if GTP_HOTKNOT + if (hotknot_enabled) { +#if HOTKNOT_BLOCK_RW + if (hotknot_paired_flag) { + GTP_INFO("hotknot is paired!"); + return 0; + } +#else + ret = gt1x_i2c_read_dbl_check(GTP_REG_HN_PAIRED, buf, sizeof(buf)); + if ((!ret && buf[0] == 0x55) || hotknot_transfer_mode) { + GTP_DEBUG("0x81AA: 0x%02X", buf[0]); + GTP_INFO("hotknot is paired!"); + return 0; + } +#endif + } +#endif + + gt1x_halt = 1; +#if GTP_ESD_PROTECT + gt1x_esd_switch(SWITCH_OFF); +#endif +#if GTP_CHARGER_SWITCH + gt1x_charger_switch(SWITCH_OFF); +#endif + gt1x_irq_disable(); + gt1x_irq_free(); + +#if GTP_GESTURE_WAKEUP + gesture_clear_wakeup_data(); + if (gesture_enabled) { + gesture_enter_doze(); + gt1x_irq_request(); + enable_irq_wake(gt1x_i2c_client->irq); + gt1x_halt = 0; + } else +#endif + { + ret = gt1x_enter_sleep(); + if (ret < 0) { + GTP_ERROR("Suspend failed."); + } + pinctrl_irq = devm_pinctrl_get(>1x_i2c_client->dev); + pinctrl_suspend = pinctrl_lookup_state(pinctrl_irq, "ts_suspend"); + pinctrl_select_state(pinctrl_irq, + pinctrl_suspend); + } + +// pinctrl_irq = devm_pinctrl_get_select(dev, "off_state"); + /* to avoid waking up while not sleeping + delay 48 + 10ms to ensure reliability */ + msleep(58); + is_suspend = 1; + GTP_INFO("Suspend end..."); + return 0; +} + +int gt1x_resume(void) +{ + s32 ret = -1; + struct pinctrl *pinctrl_irq; + struct pinctrl_state *pinctrl_active; + + if(!is_suspend) + return 0; +#if GTP_AUTO_UPDATE + if (update_info.status) { + return 0; + } +#endif + +#if GTP_SMART_COVER + if (gt1x_sc_dev) { + gt1x_sc_dev->suspended = 0; + } +#endif + GTP_INFO("Resume start..."); + +#if GTP_PROXIMITY + if (gt1x_ps_dev && gt1x_ps_dev->enabled) { + GTP_INFO("Proximity is on!"); + return 0; + } +#endif + +#if GTP_HOTKNOT + if (hotknot_enabled) { + #if HOTKNOT_BLOCK_RW + if (hotknot_paired_flag) { + hotknot_paired_flag = 0; + GTP_INFO("Hotknot is paired!"); + return 0; + } + #endif + } +#endif + +#if GTP_GESTURE_WAKEUP + /* just return 0 if IC does not suspend */ + if (!gesture_enabled && !gt1x_halt) + return 0; + if(gesture_enabled){ + disable_irq_wake(gt1x_i2c_client->irq); + gt1x_irq_disable(); + msleep(10); + gt1x_irq_free(); + } +#else + if (!gt1x_halt) + return 0; +#endif + + ret = gt1x_wakeup_sleep(); + if (ret < 0) { + GTP_ERROR("Resume failed."); + } + pinctrl_irq = devm_pinctrl_get(>1x_i2c_client->dev); + pinctrl_active = pinctrl_lookup_state(pinctrl_irq, "ts_active"); + pinctrl_select_state(pinctrl_irq, + pinctrl_active); + +#if GTP_HOTKNOT + if (!hotknot_enabled) { + gt1x_send_cmd(GTP_CMD_HN_EXIT_SLAVE, 0); + } +#endif + +#if GTP_CHARGER_SWITCH + gt1x_charger_config(0); + gt1x_charger_switch(SWITCH_ON); +#endif +// pinctrl_irq = devm_pinctrl_get_select(dev, "on_state"); + gt1x_halt = 0; +// if(gesture_enabled) + gt1x_irq_request(); +// gt1x_irq_enable(); + +#if GTP_ESD_PROTECT + gt1x_esd_switch(SWITCH_ON); +#endif + + is_suspend = 0; + GTP_INFO("Resume end."); + return 0; +} + +s32 gt1x_init(void) +{ + s32 ret = -1; + s32 retry = 0; + u8 reg_val[1]; + + /* power on */ + gt1x_power_switch(SWITCH_ON); + + while (retry++ < 5) { + gt1x_init_failed = 0; + /* reset ic */ + ret = gt1x_reset_guitar(); + if (ret != 0) { + GTP_ERROR("Reset guitar failed!"); + continue; + } + + /* check main system firmware */ + ret = gt1x_i2c_read_dbl_check(GTP_REG_FW_CHK_MAINSYS, reg_val, 1); + if (ret != 0) { + continue; + } else if (reg_val[0] != 0xBE) { + GTP_ERROR("Check main system not pass[0x%2X].", reg_val[0]); + gt1x_init_failed = 1; + } + +#if !GTP_AUTO_UPDATE + /* debug info */ + ret = gt1x_i2c_read_dbl_check(GTP_REG_FW_CHK_SUBSYS, reg_val, 1); + if (!ret && reg_val[0] == 0xAA) { + GTP_ERROR("Check subsystem not pass[0x%2X].", reg_val[0]); + } +#endif + break; + } + + /* if the initialization fails, set default setting */ + ret |= gt1x_init_failed; + if (ret) { + GTP_ERROR("Init failed, use default setting"); + gt1x_abs_x_max = GTP_MAX_WIDTH; + gt1x_abs_y_max = GTP_MAX_HEIGHT; + gt1x_int_type = GTP_INT_TRIGGER; + gt1x_wakeup_level = GTP_WAKEUP_LEVEL; + } + + /* get chip type */ + ret = gt1x_get_chip_type(); + if (ret != 0) { + GTP_ERROR("Get chip type failed!"); + } + + /* read version information */ + ret = gt1x_read_version(>1x_version); + if (ret != 0) { + GTP_ERROR("Get verision failed!"); + } + + + /* init and send configs */ + ret = gt1x_init_panel(); + if (ret != 0) { + GTP_ERROR("Init panel failed."); + } + + gt1x_workqueue = create_singlethread_workqueue("gt1x_workthread"); + if (gt1x_workqueue == NULL) { + GTP_ERROR("Create workqueue failed!"); + } + +/* init auxiliary node and functions */ + gt1x_init_debug_node(); + +#if GTP_CREATE_WR_NODE + gt1x_init_tool_node(); +#endif + +#if GTP_GESTURE_WAKEUP || GTP_HOTKNOT + gt1x_init_node(); +#endif + +#if GTP_PROXIMITY + gt1x_ps_init(); +#endif + +#if GTP_CHARGER_SWITCH + gt1x_init_charger(); + gt1x_charger_config(1); + gt1x_charger_switch(SWITCH_ON); +#endif + +#if GTP_SMART_COVER + gt1x_smart_cover_init(); +#endif + +#if GTP_WITH_STYLUS + gt1x_pen_init(); +#endif + + return ret; +} + +void gt1x_deinit(void) +{ + gt1x_deinit_debug_node(); + +#if GTP_GESTURE_WAKEUP || GTP_HOTKNOT + gt1x_deinit_node(); +#endif + +#if GTP_CREATE_WR_NODE + gt1x_deinit_tool_node(); +#endif + +#if GTP_ESD_PROTECT + gt1x_deinit_esd_protect(); +#endif + +#if GTP_CHARGER_SWITCH + gt1x_charger_switch(SWITCH_OFF); +#endif + +#if GTP_PROXIMITY + gt1x_ps_deinit(); +#endif + +#if GTP_SMART_COVER + gt1x_smart_cover_deinit(); +#endif + + if (sysfs_rootdir) { + kobject_del(sysfs_rootdir); + sysfs_rootdir = NULL; + } + + if (gt1x_workqueue) { + destroy_workqueue(gt1x_workqueue); + } + +} + |