/* * Copyright (C) 2010 - 2018 Novatek, Inc. * * $Revision: 49359 $ * $Date: 2019-08-19 16:20:18 +0800 (週一, 19 八月 2019) $ * * 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 useful, 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. * */ #include #include #include #include #include #include #include #include #include #include "tpd.h" #if defined(CONFIG_FB) #include #include #elif defined(CONFIG_HAS_EARLYSUSPEND) #include #endif #include "nt36xxx.h" #if NVT_TOUCH_ESD_PROTECT #include #endif /* #if NVT_TOUCH_ESD_PROTECT */ #if NVT_TOUCH_ESD_PROTECT static struct delayed_work nvt_esd_check_work; static struct workqueue_struct *nvt_esd_check_wq; static unsigned long irq_timer = 0; uint8_t esd_check = false; uint8_t esd_retry = 0; #endif /* #if NVT_TOUCH_ESD_PROTECT */ #if NVT_TOUCH_EXT_PROC extern int32_t nvt_extra_proc_init(void); extern void nvt_extra_proc_deinit(void); #endif #if NVT_TOUCH_MP extern int32_t nvt_mp_proc_init(void); extern void nvt_mp_proc_deinit(void); #endif struct nvt_ts_data *ts; int jran_gesture_fun_enable = 0; extern char * mtkfb_find_lcm_driver(void); #if BOOT_UPDATE_FIRMWARE static struct workqueue_struct *nvt_fwu_wq; extern void Boot_Update_Firmware(struct work_struct *work); #endif uint32_t ENG_RST_ADDR = 0x7FFF80; uint32_t SWRST_N8_ADDR = 0; //read from dtsi uint32_t SPI_RD_FAST_ADDR = 0; //read from dtsi #if TOUCH_KEY_NUM > 0 const uint16_t touch_key_array[TOUCH_KEY_NUM] = { KEY_BACK, KEY_HOME, KEY_MENU }; #endif #ifdef CONFIG_MTK_SPI const struct mt_chip_conf spi_ctrdata = { .setuptime = 25, .holdtime = 25, .high_time = 5, /* 10MHz (SPI_SPEED=100M / (high_time+low_time(10ns)))*/ .low_time = 5, .cs_idletime = 2, .ulthgh_thrsh = 0, .cpol = 0, .cpha = 0, .rx_mlsb = 1, .tx_mlsb = 1, .tx_endian = 0, .rx_endian = 0, .com_mod = DMA_TRANSFER, .pause = 0, .finish_intr = 1, .deassert = 0, .ulthigh = 0, .tckdly = 0, }; #endif #ifdef CONFIG_SPI_MT65XX const struct mtk_chip_config spi_ctrdata = { .rx_mlsb = 1, .tx_mlsb = 1, //.cs_pol = 0, .cs_setuptime = 50, }; #endif static uint8_t bTouchIsAwake = 0; /******************************************************* Description: Novatek touchscreen irq enable/disable function. return: n.a. *******************************************************/ static void nvt_irq_enable(bool enable) { if (enable) { if (!ts->irq_enabled) { enable_irq(ts->client->irq); ts->irq_enabled = true; } } else { if (ts->irq_enabled) { disable_irq(ts->client->irq); ts->irq_enabled = false; } } NVT_LOG("enable=%d", enable); } /******************************************************* Description: Novatek touchscreen spi read/write core function. return: Executive outcomes. 0---succeed. *******************************************************/ static inline int32_t spi_read_write(struct spi_device *client, uint8_t *buf, size_t len , NVT_SPI_RW rw) { struct spi_message m; struct spi_transfer t = { .len = len, }; //memcpy(ts->xbuf, buf, len + DUMMY_BYTES); memset(ts->xbuf, 0, len + DUMMY_BYTES); memcpy(ts->xbuf, buf, len); switch (rw) { case NVTREAD: t.tx_buf = ts->xbuf; t.rx_buf = ts->rbuf; t.len = (len + DUMMY_BYTES); break; case NVTWRITE: t.tx_buf = ts->xbuf; break; } spi_message_init(&m); spi_message_add_tail(&t, &m); return spi_sync(client, &m); } /******************************************************* Description: Novatek touchscreen spi read function. return: Executive outcomes. 2---succeed. -5---I/O error *******************************************************/ int32_t CTP_SPI_READ(struct spi_device *client, uint8_t *buf, uint16_t len) { int32_t ret = -1; int32_t retries = 0; mutex_lock(&ts->xbuf_lock); buf[0] = SPI_READ_MASK(buf[0]); while (retries < 3) { ret = spi_read_write(client, buf, len, NVTREAD); if (ret == 0) break; msleep(10); retries++; } if (unlikely(retries == 3)) { NVT_ERR("read error, ret=%d\n", ret); ret = -EIO; } else { memcpy((buf+1), (ts->rbuf+2), (len-1)); } mutex_unlock(&ts->xbuf_lock); return ret; } /******************************************************* Description: Novatek touchscreen spi write function. return: Executive outcomes. 1---succeed. -5---I/O error *******************************************************/ int32_t CTP_SPI_WRITE(struct spi_device *client, uint8_t *buf, uint16_t len) { int32_t ret = -1; int32_t retries = 0; mutex_lock(&ts->xbuf_lock); buf[0] = SPI_WRITE_MASK(buf[0]); while (retries < 3) { ret = spi_read_write(client, buf, len, NVTWRITE); if (ret == 0) break; retries++; } if (unlikely(retries == 3)) { NVT_ERR("error, ret=%d\n", ret); ret = -EIO; } mutex_unlock(&ts->xbuf_lock); return ret; } /******************************************************* Description: Novatek touchscreen set index/page/addr address. return: Executive outcomes. 0---succeed. -5---access fail. *******************************************************/ int32_t nvt_set_page(uint32_t addr) { uint8_t buf[4] = {0}; buf[0] = 0xFF; //set index/page/addr command buf[1] = (addr >> 15) & 0xFF; buf[2] = (addr >> 7) & 0xFF; return CTP_SPI_WRITE(ts->client, buf, 3); } /******************************************************* Description: Novatek touchscreen write data to specify address. return: Executive outcomes. 0---succeed. -5---access fail. *******************************************************/ int32_t nvt_write_addr(uint32_t addr, uint8_t data) { int32_t ret = 0; uint8_t buf[4] = {0}; //---set xdata index--- buf[0] = 0xFF; //set index/page/addr command buf[1] = (addr >> 15) & 0xFF; buf[2] = (addr >> 7) & 0xFF; ret = CTP_SPI_WRITE(ts->client, buf, 3); if (ret) { NVT_ERR("set page 0x%06X failed, ret = %d\n", addr, ret); return ret; } //---write data to index--- buf[0] = addr & (0x7F); buf[1] = data; ret = CTP_SPI_WRITE(ts->client, buf, 2); if (ret) { NVT_ERR("write data to 0x%06X failed, ret = %d\n", addr, ret); return ret; } return ret; } /******************************************************* Description: Novatek touchscreen enable hw bld crc function. return: N/A. *******************************************************/ void nvt_bld_crc_enable(void) { uint8_t buf[4] = {0}; //---set xdata index to BLD_CRC_EN_ADDR--- nvt_set_page(ts->mmap->BLD_CRC_EN_ADDR); //---read data from index--- buf[0] = ts->mmap->BLD_CRC_EN_ADDR & (0x7F); buf[1] = 0xFF; CTP_SPI_READ(ts->client, buf, 2); //---write data to index--- buf[0] = ts->mmap->BLD_CRC_EN_ADDR & (0x7F); buf[1] = buf[1] | (0x01 << 7); CTP_SPI_WRITE(ts->client, buf, 2); } /******************************************************* Description: Novatek touchscreen clear status & enable fw crc function. return: N/A. *******************************************************/ void nvt_fw_crc_enable(void) { uint8_t buf[4] = {0}; //---set xdata index to EVENT BUF ADDR--- nvt_set_page(ts->mmap->EVENT_BUF_ADDR); //---clear fw reset status--- buf[0] = EVENT_MAP_RESET_COMPLETE & (0x7F); buf[1] = 0x00; CTP_SPI_WRITE(ts->client, buf, 2); //---enable fw crc--- buf[0] = EVENT_MAP_HOST_CMD & (0x7F); buf[1] = 0xAE; //enable fw crc command CTP_SPI_WRITE(ts->client, buf, 2); } /******************************************************* Description: Novatek touchscreen set boot ready function. return: N/A. *******************************************************/ void nvt_boot_ready(void) { //---write BOOT_RDY status cmds--- nvt_write_addr(ts->mmap->BOOT_RDY_ADDR, 1); mdelay(5); if (!ts->hw_crc) { //---write BOOT_RDY status cmds--- nvt_write_addr(ts->mmap->BOOT_RDY_ADDR, 0); //---write POR_CD cmds--- nvt_write_addr(ts->mmap->POR_CD_ADDR, 0xA0); } } /******************************************************* Description: Novatek touchscreen eng reset cmd function. return: n.a. *******************************************************/ void nvt_eng_reset(void) { //---eng reset cmds to ENG_RST_ADDR--- nvt_write_addr(ENG_RST_ADDR, 0x5A); mdelay(1); //wait tMCU_Idle2TP_REX_Hi after TP_RST } /******************************************************* Description: Novatek touchscreen reset MCU function. return: n.a. *******************************************************/ void nvt_sw_reset(void) { //---software reset cmds to SWRST_N8_ADDR--- nvt_write_addr(SWRST_N8_ADDR, 0x55); msleep(10); } /******************************************************* Description: Novatek touchscreen reset MCU then into idle mode function. return: n.a. *******************************************************/ void nvt_sw_reset_idle(void) { //---MCU idle cmds to SWRST_N8_ADDR--- nvt_write_addr(SWRST_N8_ADDR, 0xAA); msleep(15); } /******************************************************* Description: Novatek touchscreen reset MCU (boot) function. return: n.a. *******************************************************/ void nvt_bootloader_reset(void) { //---reset cmds to SWRST_N8_ADDR--- nvt_write_addr(SWRST_N8_ADDR, 0x69); mdelay(5); //wait tBRST2FR after Bootload RST if (SPI_RD_FAST_ADDR) { /* disable SPI_RD_FAST */ nvt_write_addr(SPI_RD_FAST_ADDR, 0x00); } } /******************************************************* Description: Novatek touchscreen clear FW status function. return: Executive outcomes. 0---succeed. -1---fail. *******************************************************/ int32_t nvt_clear_fw_status(void) { uint8_t buf[8] = {0}; int32_t i = 0; const int32_t retry = 20; for (i = 0; i < retry; i++) { //---set xdata index to EVENT BUF ADDR--- nvt_set_page(ts->mmap->EVENT_BUF_ADDR | EVENT_MAP_HANDSHAKING_or_SUB_CMD_BYTE); //---clear fw status--- buf[0] = EVENT_MAP_HANDSHAKING_or_SUB_CMD_BYTE; buf[1] = 0x00; CTP_SPI_WRITE(ts->client, buf, 2); //---read fw status--- buf[0] = EVENT_MAP_HANDSHAKING_or_SUB_CMD_BYTE; buf[1] = 0xFF; CTP_SPI_READ(ts->client, buf, 2); if (buf[1] == 0x00) break; usleep_range(10000, 10000); } if (i >= retry) { NVT_ERR("failed, i=%d, buf[1]=0x%02X\n", i, buf[1]); return -1; } else { return 0; } } /******************************************************* Description: Novatek touchscreen check FW status function. return: Executive outcomes. 0---succeed. -1---failed. *******************************************************/ int32_t nvt_check_fw_status(void) { uint8_t buf[8] = {0}; int32_t i = 0; const int32_t retry = 50; for (i = 0; i < retry; i++) { //---set xdata index to EVENT BUF ADDR--- nvt_set_page(ts->mmap->EVENT_BUF_ADDR | EVENT_MAP_HANDSHAKING_or_SUB_CMD_BYTE); //---read fw status--- buf[0] = EVENT_MAP_HANDSHAKING_or_SUB_CMD_BYTE; buf[1] = 0x00; CTP_SPI_READ(ts->client, buf, 2); if ((buf[1] & 0xF0) == 0xA0) break; usleep_range(10000, 10000); } if (i >= retry) { NVT_ERR("failed, i=%d, buf[1]=0x%02X\n", i, buf[1]); return -1; } else { return 0; } } /******************************************************* Description: Novatek touchscreen check FW reset state function. return: Executive outcomes. 0---succeed. -1---failed. *******************************************************/ int32_t nvt_check_fw_reset_state(RST_COMPLETE_STATE check_reset_state) { uint8_t buf[8] = {0}; int32_t ret = 0; int32_t retry = 0; int32_t retry_max = (check_reset_state == RESET_STATE_INIT) ? 10 : 50; //---set xdata index to EVENT BUF ADDR--- nvt_set_page(ts->mmap->EVENT_BUF_ADDR | EVENT_MAP_RESET_COMPLETE); while (1) { //---read reset state--- buf[0] = EVENT_MAP_RESET_COMPLETE; buf[1] = 0x00; CTP_SPI_READ(ts->client, buf, 6); if ((buf[1] >= check_reset_state) && (buf[1] <= RESET_STATE_MAX)) { ret = 0; break; } retry++; if(unlikely(retry > retry_max)) { NVT_ERR("error, retry=%d, buf[1]=0x%02X, 0x%02X, 0x%02X, 0x%02X, 0x%02X\n", retry, buf[1], buf[2], buf[3], buf[4], buf[5]); ret = -1; break; } usleep_range(10000, 10000); } return ret; } /******************************************************* Description: Novatek touchscreen get novatek project id information function. return: Executive outcomes. 0---success. -1---fail. *******************************************************/ int32_t nvt_read_pid(void) { uint8_t buf[3] = {0}; int32_t ret = 0; //---set xdata index to EVENT BUF ADDR--- nvt_set_page(ts->mmap->EVENT_BUF_ADDR | EVENT_MAP_PROJECTID); //---read project id--- buf[0] = EVENT_MAP_PROJECTID; buf[1] = 0x00; buf[2] = 0x00; CTP_SPI_READ(ts->client, buf, 3); ts->nvt_pid = (buf[2] << 8) + buf[1]; //---set xdata index to EVENT BUF ADDR--- nvt_set_page(ts->mmap->EVENT_BUF_ADDR); NVT_LOG("PID=%04X\n", ts->nvt_pid); return ret; } /******************************************************* Description: Novatek touchscreen get firmware related information function. return: Executive outcomes. 0---success. -1---fail. *******************************************************/ int32_t nvt_get_fw_info(void) { uint8_t buf[64] = {0}; uint32_t retry_count = 0; int32_t ret = 0; info_retry: //---set xdata index to EVENT BUF ADDR--- nvt_set_page(ts->mmap->EVENT_BUF_ADDR | EVENT_MAP_FWINFO); //---read fw info--- buf[0] = EVENT_MAP_FWINFO; CTP_SPI_READ(ts->client, buf, 17); ts->fw_ver = buf[1]; ts->x_num = buf[3]; ts->y_num = buf[4]; ts->abs_x_max = (uint16_t)((buf[5] << 8) | buf[6]); ts->abs_y_max = (uint16_t)((buf[7] << 8) | buf[8]); ts->max_button_num = buf[11]; //---clear x_num, y_num if fw info is broken--- if ((buf[1] + buf[2]) != 0xFF) { NVT_ERR("FW info is broken! fw_ver=0x%02X, ~fw_ver=0x%02X\n", buf[1], buf[2]); ts->fw_ver = 0; ts->x_num = 18; ts->y_num = 32; #ifdef CONFIG_MTK_FB ts->abs_x_max = DISP_GetScreenWidth(); ts->abs_y_max = DISP_GetScreenHeight(); #endif ts->max_button_num = TOUCH_KEY_NUM; if(retry_count < 3) { retry_count++; NVT_ERR("retry_count=%d\n", retry_count); goto info_retry; } else { NVT_ERR("Set default fw_ver=%d, x_num=%d, y_num=%d, " "abs_x_max=%d, abs_y_max=%d, max_button_num=%d!\n", ts->fw_ver, ts->x_num, ts->y_num, ts->abs_x_max, ts->abs_y_max, ts->max_button_num); ret = -1; } } else { ret = 0; } NVT_LOG("fw_ver = 0x%02X, fw_type = 0x%02X\n", ts->fw_ver, buf[14]); //---Get Novatek PID--- nvt_read_pid(); return ret; } /******************************************************* Create Device Node (Proc Entry) *******************************************************/ #if NVT_TOUCH_PROC static struct proc_dir_entry *NVT_proc_entry; #define DEVICE_NAME "NVTSPI" /******************************************************* Description: Novatek touchscreen /proc/NVTSPI read function. return: Executive outcomes. 2---succeed. -5,-14---failed. *******************************************************/ static ssize_t nvt_flash_read(struct file *file, char __user *buff, size_t count, loff_t *offp) { uint8_t *str = NULL; int32_t ret = 0; int32_t retries = 0; int8_t spi_wr = 0; uint8_t *buf; if ((count > NVT_TRANSFER_LEN + 3) || (count < 3)) { NVT_ERR("invalid transfer len!\n"); return -EFAULT; } /* allocate buffer for spi transfer */ str = (uint8_t *)kzalloc((count), GFP_KERNEL); if(str == NULL) { NVT_ERR("kzalloc for buf failed!\n"); ret = -ENOMEM; goto kzalloc_failed; } buf = (uint8_t *)kzalloc((count), GFP_KERNEL | GFP_DMA); if(buf == NULL) { NVT_ERR("kzalloc for buf failed!\n"); ret = -ENOMEM; kfree(str); str = NULL; goto kzalloc_failed; } if (copy_from_user(str, buff, count)) { NVT_ERR("copy from user error\n"); ret = -EFAULT; goto out; } #if NVT_TOUCH_ESD_PROTECT /* * stop esd check work to avoid case that 0x77 report righ after here to enable esd check again * finally lead to trigger esd recovery bootloader reset */ cancel_delayed_work_sync(&nvt_esd_check_work); nvt_esd_check_enable(false); #endif /* #if NVT_TOUCH_ESD_PROTECT */ spi_wr = str[0] >> 7; memcpy(buf, str+2, ((str[0] & 0x7F) << 8) | str[1]); if (spi_wr == NVTWRITE) { //SPI write while (retries < 3) { ret = CTP_SPI_WRITE(ts->client, buf, ((str[0] & 0x7F) << 8) | str[1]); if (!ret) break; else NVT_ERR("error, retries=%d, ret=%d\n", retries, ret); retries++; } if (unlikely(retries == 20)) { NVT_ERR("error, ret = %d\n", ret); ret = -EIO; goto out; } } else if (spi_wr == NVTREAD) { //SPI read while (retries < 3) { ret = CTP_SPI_READ(ts->client, buf, ((str[0] & 0x7F) << 8) | str[1]); if (!ret) break; else NVT_ERR("error, retries=%d, ret=%d\n", retries, ret); retries++; } memcpy(str+2, buf, ((str[0] & 0x7F) << 8) | str[1]); // copy buff to user if spi transfer if (retries < 3) { if (copy_to_user(buff, str, count)) { ret = -EFAULT; goto out; } } if (unlikely(retries == 3)) { NVT_ERR("error, ret = %d\n", ret); ret = -EIO; goto out; } } else { NVT_ERR("Call error, str[0]=%d\n", str[0]); ret = -EFAULT; goto out; } out: kfree(str); kfree(buf); kzalloc_failed: return ret; } /******************************************************* Description: Novatek touchscreen /proc/NVTSPI open function. return: Executive outcomes. 0---succeed. -12---failed. *******************************************************/ static int32_t nvt_flash_open(struct inode *inode, struct file *file) { struct nvt_flash_data *dev; dev = kmalloc(sizeof(struct nvt_flash_data), GFP_KERNEL); if (dev == NULL) { NVT_ERR("Failed to allocate memory for nvt flash data\n"); return -ENOMEM; } rwlock_init(&dev->lock); file->private_data = dev; return 0; } /******************************************************* Description: Novatek touchscreen /proc/NVTSPI close function. return: Executive outcomes. 0---succeed. *******************************************************/ static int32_t nvt_flash_close(struct inode *inode, struct file *file) { struct nvt_flash_data *dev = file->private_data; if (dev) kfree(dev); return 0; } static const struct file_operations nvt_flash_fops = { .owner = THIS_MODULE, .open = nvt_flash_open, .release = nvt_flash_close, .read = nvt_flash_read, }; /******************************************************* Description: Novatek touchscreen /proc/NVTSPI initial function. return: Executive outcomes. 0---succeed. -12---failed. *******************************************************/ static int32_t nvt_flash_proc_init(void) { NVT_proc_entry = proc_create(DEVICE_NAME, 0444, NULL,&nvt_flash_fops); if (NVT_proc_entry == NULL) { NVT_ERR("Failed!\n"); return -ENOMEM; } else { NVT_LOG("Succeeded!\n"); } NVT_LOG("============================================================\n"); NVT_LOG("Create /proc/%s\n", DEVICE_NAME); NVT_LOG("============================================================\n"); return 0; } /******************************************************* Description: Novatek touchscreen /proc/NVTSPI deinitial function. return: n.a. *******************************************************/ static void nvt_flash_proc_deinit(void) { if (NVT_proc_entry != NULL) { remove_proc_entry(DEVICE_NAME, NULL); NVT_proc_entry = NULL; NVT_LOG("Removed /proc/%s\n", DEVICE_NAME); } } #endif /******************************************************* Description: Novatek touchscreen parse device tree function. return: n.a. *******************************************************/ static int32_t nvt_parse_dt(struct device *dev) { struct device_node *np = dev->of_node; int32_t ret = 0; ret = of_property_read_u32(np, "novatek,swrst-n8-addr", &SWRST_N8_ADDR); if (ret) { NVT_ERR("error reading novatek,swrst-n8-addr. ret=%d\n", ret); return ret; } else { NVT_LOG("SWRST_N8_ADDR=0x%06X\n", SWRST_N8_ADDR); } ret = of_property_read_u32(np, "novatek,spi-rd-fast-addr", &SPI_RD_FAST_ADDR); if (ret) { NVT_LOG("not support novatek,spi-rd-fast-addr\n"); SPI_RD_FAST_ADDR = 0; ret = 0; } else { NVT_LOG("SPI_RD_FAST_ADDR=0x%06X\n", SPI_RD_FAST_ADDR); } return ret; } static uint8_t nvt_fw_recovery(uint8_t *point_data) { uint8_t i = 0; uint8_t detected = true; /* check pattern */ for (i=1 ; i<7 ; i++) { if (point_data[i] != 0x77) { detected = false; break; } } return detected; } #if NVT_TOUCH_ESD_PROTECT void nvt_esd_check_enable(uint8_t enable) { /* update interrupt timer */ irq_timer = jiffies; /* clear esd_retry counter, if protect function is enabled */ esd_retry = enable ? 0 : esd_retry; /* enable/disable esd check flag */ esd_check = enable; } static void nvt_esd_check_func(struct work_struct *work) { unsigned int timer = jiffies_to_msecs(jiffies - irq_timer); //NVT_LOG("esd_check = %d (retry %d)\n", esd_check, esd_retry); //DEBUG if ((timer > NVT_TOUCH_ESD_CHECK_PERIOD) && esd_check) { mutex_lock(&ts->lock); NVT_ERR("do ESD recovery, timer = %d, retry = %d\n", timer, esd_retry); /* do esd recovery, reload fw */ nvt_choose_fw(true); mutex_unlock(&ts->lock); /* update interrupt timer */ irq_timer = jiffies; /* update esd_retry counter */ esd_retry++; } queue_delayed_work(nvt_esd_check_wq, &nvt_esd_check_work, msecs_to_jiffies(NVT_TOUCH_ESD_CHECK_PERIOD)); } #endif /* #if NVT_TOUCH_ESD_PROTECT */ #if NVT_TOUCH_WDT_RECOVERY static uint8_t recovery_cnt = 0; static uint8_t nvt_wdt_fw_recovery(uint8_t *point_data) { uint32_t recovery_cnt_max = 10; uint8_t recovery_enable = false; uint8_t i = 0; recovery_cnt++; /* check pattern */ for (i=1 ; i<7 ; i++) { if ((point_data[i] != 0xFD) && (point_data[i] != 0xFE)) { recovery_cnt = 0; break; } } if (recovery_cnt > recovery_cnt_max){ recovery_enable = true; recovery_cnt = 0; } return recovery_enable; } void nvt_read_fw_history(uint32_t fw_history_addr) { uint8_t i = 0; uint8_t buf[65]; char str[128]; if (fw_history_addr == 0) return; nvt_set_page(fw_history_addr); buf[0] = (uint8_t) (fw_history_addr & 0x7F); CTP_SPI_READ(ts->client, buf, 64+1); //read 64bytes history //print all data NVT_LOG("fw history 0x%x: \n", fw_history_addr); for (i = 0; i < 4; i++) { snprintf(str, sizeof(str), "%02X %02X %02X %02X %02X %02X %02X %02X " "%02X %02X %02X %02X %02X %02X %02X %02X\n", buf[1+i*16], buf[2+i*16], buf[3+i*16], buf[4+i*16], buf[5+i*16], buf[6+i*16], buf[7+i*16], buf[8+i*16], buf[9+i*16], buf[10+i*16], buf[11+i*16], buf[12+i*16], buf[13+i*16], buf[14+i*16], buf[15+i*16], buf[16+i*16]); NVT_LOG("%s", str); } nvt_set_page(ts->mmap->EVENT_BUF_ADDR); } #endif /* #if NVT_TOUCH_WDT_RECOVERY */ #if POINT_DATA_CHECKSUM static int32_t nvt_ts_point_data_checksum(uint8_t *buf, uint8_t length) { uint8_t checksum = 0; int32_t i = 0; // Generate checksum for (i = 0; i < length - 1; i++) { checksum += buf[i + 1]; } checksum = (~checksum + 1); // Compare ckecksum and dump fail data if (checksum != buf[length]) { NVT_ERR("i2c/spi packet checksum not match. (point_data[%d]=0x%02X, checksum=0x%02X)\n", length, buf[length], checksum); #if 0 for (i = 0; i < 10; i++) { NVT_LOG("%02X %02X %02X %02X %02X %02X\n", buf[1 + i*6], buf[2 + i*6], buf[3 + i*6], buf[4 + i*6], buf[5 + i*6], buf[6 + i*6]); } NVT_LOG("%02X %02X %02X %02X %02X\n", buf[61], buf[62], buf[63], buf[64], buf[65]); #endif return -1; } return 0; } #endif /* POINT_DATA_CHECKSUM */ #define POINT_DATA_LEN 65 /******************************************************* Description: Novatek touchscreen work function. return: n.a. *******************************************************/ static irqreturn_t nvt_ts_work_func(int irq, void *data) { int32_t ret = -1; uint8_t point_data[POINT_DATA_LEN + 1 + DUMMY_BYTES] = {0}; uint32_t position = 0; static int input_x = 0; static int input_y = 0; uint32_t input_w = 0; uint32_t input_p = 0; uint8_t input_id = 0; #if MT_PROTOCOL_B uint8_t press_id[TOUCH_MAX_FINGER_NUM] = {0}; #endif /* MT_PROTOCOL_B */ int32_t i = 0; int32_t finger_cnt = 0; static int touch_down = 0; #if WAKEUP_GESTURE if (bTouchIsAwake == 0) { pm_wakeup_event(&ts->input_dev->dev, 3000); } #endif mutex_lock(&ts->lock); ret = CTP_SPI_READ(ts->client, point_data, POINT_DATA_LEN + 1); if (ret < 0) { NVT_ERR("CTP_SPI_READ failed.(%d)\n", ret); goto XFER_ERROR; } #if NVT_TOUCH_WDT_RECOVERY /* ESD protect by WDT */ if (nvt_wdt_fw_recovery(point_data)) { NVT_ERR("Recover for fw reset, %02X\n", point_data[1]); if (point_data[1] == 0xFE) { nvt_sw_reset_idle(); } nvt_read_fw_history(ts->mmap->MMAP_HISTORY_EVENT0); nvt_read_fw_history(ts->mmap->MMAP_HISTORY_EVENT1); nvt_choose_fw(true); if (bTouchIsAwake == 0) { point_data[0] = EVENT_MAP_HOST_CMD; point_data[1] = 0x13; CTP_SPI_WRITE(ts->client, point_data, 2); NVT_LOG("Enabled touch wakeup gesture\n"); } goto XFER_ERROR; } #endif /* #if NVT_TOUCH_WDT_RECOVERY */ /* ESD protect by FW handshake */ if (nvt_fw_recovery(point_data)) { #if NVT_TOUCH_ESD_PROTECT nvt_esd_check_enable(true); #endif /* #if NVT_TOUCH_ESD_PROTECT */ goto XFER_ERROR; } #if POINT_DATA_CHECKSUM if (POINT_DATA_LEN >= POINT_DATA_CHECKSUM_LEN) { ret = nvt_ts_point_data_checksum(point_data, POINT_DATA_CHECKSUM_LEN); if (ret) { goto XFER_ERROR; } } #endif /* POINT_DATA_CHECKSUM */ #if WAKEUP_GESTURE if (bTouchIsAwake == 0) { input_id = (uint8_t)(point_data[1] >> 3); mutex_unlock(&ts->lock); return IRQ_HANDLED; } #endif if((point_data[1]==0xF0) && (point_data[2]==0x04) && (point_data[3]==0x01)){ NVT_LOG ("got PalmPress"); input_report_key(ts->input_dev, KEY_F14, 1); input_sync(ts->input_dev); }else if((point_data[1]==0xF0) && (point_data[2]==0x04) && (point_data[3]==0x02)){ NVT_LOG ("got PalmLeave"); input_report_key(ts->input_dev, KEY_F14, 0); input_sync(ts->input_dev); } finger_cnt = 0; for (i = 0; i < ts->max_touch_num; i++) { position = 1 + 6 * i; input_id = (uint8_t)(point_data[position + 0] >> 3); if ((input_id == 0) || (input_id > ts->max_touch_num)) continue; if (((point_data[position] & 0x07) == 0x01) || ((point_data[position] & 0x07) == 0x02)) { //finger down (enter & moving) #if NVT_TOUCH_ESD_PROTECT /* update interrupt timer */ irq_timer = jiffies; #endif /* #if NVT_TOUCH_ESD_PROTECT */ input_x = (uint32_t)(point_data[position + 1] << 4) + (uint32_t) (point_data[position + 3] >> 4); input_y = (uint32_t)(point_data[position + 2] << 4) + (uint32_t) (point_data[position + 3] & 0x0F); if ((input_x < 0) || (input_y < 0)) continue; if ((input_x > ts->abs_x_max) || (input_y > ts->abs_y_max)) continue; input_w = (uint32_t)(point_data[position + 4]); if (input_w == 0) input_w = 1; if (i < 2) { input_p = (uint32_t)(point_data[position + 5]) + (uint32_t)(point_data[i + 63] << 8); if (input_p > TOUCH_FORCE_NUM) input_p = TOUCH_FORCE_NUM; } else { input_p = (uint32_t)(point_data[position + 5]); } if (input_p == 0) input_p = 1; if(!touch_down) { NVT_LOG("touch down (input_x,input_y)=(%d, %d)", input_x, input_y); touch_down++; } #if MT_PROTOCOL_B press_id[input_id - 1] = 1; input_mt_slot(ts->input_dev, input_id - 1); input_mt_report_slot_state(ts->input_dev, MT_TOOL_FINGER, true); #else /* MT_PROTOCOL_B */ input_report_abs(ts->input_dev, ABS_MT_TRACKING_ID, input_id - 1); input_report_key(ts->input_dev, BTN_TOUCH, 1); #endif /* MT_PROTOCOL_B */ input_report_abs(ts->input_dev, ABS_MT_POSITION_X, input_x); input_report_abs(ts->input_dev, ABS_MT_POSITION_Y, input_y); input_report_abs(ts->input_dev, ABS_MT_TOUCH_MAJOR, input_w); input_report_abs(ts->input_dev, ABS_MT_PRESSURE, input_p); #if MT_PROTOCOL_B #else /* MT_PROTOCOL_B */ input_mt_sync(ts->input_dev); #endif /* MT_PROTOCOL_B */ finger_cnt++; } } if(finger_cnt == 0){ touch_down = 0; NVT_LOG("touch up (input_x,input_y)=(%d, %d)", input_x, input_y); } #if MT_PROTOCOL_B for (i = 0; i < ts->max_touch_num; i++) { if (press_id[i] != 1) { input_mt_slot(ts->input_dev, i); input_report_abs(ts->input_dev, ABS_MT_TOUCH_MAJOR, 0); input_report_abs(ts->input_dev, ABS_MT_PRESSURE, 0); input_mt_report_slot_state(ts->input_dev, MT_TOOL_FINGER, false); } } input_report_key(ts->input_dev, BTN_TOUCH, (finger_cnt > 0)); #else /* MT_PROTOCOL_B */ if (finger_cnt == 0) { input_report_key(ts->input_dev, BTN_TOUCH, 0); input_mt_sync(ts->input_dev); } #endif /* MT_PROTOCOL_B */ #if TOUCH_KEY_NUM > 0 if (point_data[61] == 0xF8) { #if NVT_TOUCH_ESD_PROTECT /* update interrupt timer */ irq_timer = jiffies; #endif /* #if NVT_TOUCH_ESD_PROTECT */ for (i = 0; i < ts->max_button_num; i++) { input_report_key(ts->input_dev, touch_key_array[i], ((point_data[62] >> i) & 0x01)); } } else { for (i = 0; i < ts->max_button_num; i++) { input_report_key(ts->input_dev, touch_key_array[i], 0); } } #endif input_sync(ts->input_dev); XFER_ERROR: mutex_unlock(&ts->lock); return IRQ_HANDLED; } /******************************************************* Description: Novatek touchscreen check chip version trim function. return: Executive outcomes. 0---NVT IC. -1---not NVT IC. *******************************************************/ static int8_t nvt_ts_check_chip_ver_trim(uint32_t chip_ver_trim_addr) { uint8_t buf[8] = {0}; int32_t retry = 0; int32_t list = 0; int32_t i = 0; int32_t found_nvt_chip = 0; int32_t ret = -1; //---Check for 5 times--- for (retry = 3; retry > 0; retry--) { nvt_bootloader_reset(); //---set xdata index to 0x1F600--- nvt_set_page(chip_ver_trim_addr); buf[0] = chip_ver_trim_addr & 0x7F; buf[1] = 0x00; buf[2] = 0x00; buf[3] = 0x00; buf[4] = 0x00; buf[5] = 0x00; buf[6] = 0x00; CTP_SPI_READ(ts->client, buf, 7); NVT_LOG("buf[1]=0x%02X, buf[2]=0x%02X, buf[3]=0x%02X, buf[4]=0x%02X, buf[5]=0x%02X, buf[6]=0x%02X\n", buf[1], buf[2], buf[3], buf[4], buf[5], buf[6]); // compare read chip id on supported list for (list = 0; list < (sizeof(trim_id_table) / sizeof(struct nvt_ts_trim_id_table)); list++) { found_nvt_chip = 0; // compare each byte for (i = 0; i < NVT_ID_BYTE_MAX; i++) { if (trim_id_table[list].mask[i]) { if (buf[i + 1] != trim_id_table[list].id[i]) break; } } if (i == NVT_ID_BYTE_MAX) { found_nvt_chip = 1; } if (found_nvt_chip) { NVT_LOG("This is NVT touch IC\n"); ts->mmap = trim_id_table[list].mmap; ts->carrier_system = trim_id_table[list].hwinfo->carrier_system; ts->hw_crc = trim_id_table[list].hwinfo->hw_crc; ret = 0; goto out; } else { ts->mmap = NULL; ret = -1; } } msleep(10); } out: return ret; } static char *lcm_names[]={ "nt36672c_fhdp_dsi_vdo_dsc_txd_boe", }; static char *tp_names[]={ "TXD_NT36672C_00", }; int32_t nvt_choose_fw(bool normal_fw) { char *lcm_name = mtkfb_find_lcm_driver(); if(normal_fw){ return nvt_update_firmware(BOOT_UPDATE_FIRMWARE_NAME); }else{ return nvt_update_firmware(MP_UPDATE_FIRMWARE_NAME); } } static ssize_t tp_firmware_version_show(struct device *dev,struct device_attribute *attr,char *buf) { nvt_get_fw_info(); return snprintf(buf,32,"0x%02x,bv:0x%02x\n", ts->fw_ver,ts->bv); } static ssize_t tp_firmware_version_store(struct device *dev,struct device_attribute *attr,const char *buf, size_t count) { return count; } static DEVICE_ATTR(tp_firmware_version, 0644, tp_firmware_version_show, tp_firmware_version_store); static ssize_t tp_vendor_show(struct device *dev,struct device_attribute *attr,char *buf) { int i=0; char *lcm_name= mtkfb_find_lcm_driver(); for(i=0;ixbuf = (uint8_t *)kzalloc((NVT_TRANSFER_LEN+1+DUMMY_BYTES), GFP_KERNEL); if(ts->xbuf == NULL) { NVT_ERR("kzalloc for xbuf failed!\n"); goto err_malloc_xbuf; } ts->rbuf = (uint8_t *)kzalloc(NVT_READ_LEN, GFP_KERNEL); if(ts->rbuf == NULL) { NVT_ERR("kzalloc for rbuf failed!\n"); goto err_malloc_rbuf; } ts->client = client; spi_set_drvdata(client, ts); //---prepare for spi parameter--- if (ts->client->master->flags & SPI_MASTER_HALF_DUPLEX) { NVT_ERR("Full duplex not supported by master\n"); ret = -EIO; goto err_ckeck_full_duplex; } ts->client->bits_per_word = 8; ts->client->mode = SPI_MODE_0; ret = spi_setup(ts->client); if (ret < 0) { NVT_ERR("Failed to perform SPI setup\n"); goto err_spi_setup; } #ifdef CONFIG_MTK_SPI /* old usage of MTK spi API */ memcpy(&ts->spi_ctrl, &spi_ctrdata, sizeof(struct mt_chip_conf)); ts->client->controller_data = (void *)&ts->spi_ctrl; #endif #ifdef CONFIG_SPI_MT65XX /* new usage of MTK spi API */ memcpy(&ts->spi_ctrl, &spi_ctrdata, sizeof(struct mtk_chip_config)); ts->client->controller_data = (void *)&ts->spi_ctrl; #endif NVT_LOG("mode=%d, max_speed_hz=%d\n", ts->client->mode, ts->client->max_speed_hz); //---parse dts--- ret = nvt_parse_dt(&client->dev); if (ret) { NVT_ERR("parse dt error\n"); goto err_spi_setup; } mutex_init(&ts->lock); mutex_init(&ts->xbuf_lock); //---eng reset before TP_RESX high nvt_eng_reset(); #if NVT_TOUCH_SUPPORT_HW_RST gpio_set_value(ts->reset_gpio, 1); #endif // need 10ms delay after POR(power on reset) msleep(10); //---check chip version trim--- ret = nvt_ts_check_chip_ver_trim(CHIP_VER_TRIM_ADDR); if (ret) { NVT_LOG("try to check from nt36528 chip ver trim address\n"); ret = nvt_ts_check_chip_ver_trim(CHIP_VER_TRIM_NT36528_ADDR); if (ret) { NVT_ERR("chip is not identified\n"); ret = -EINVAL; goto err_chipvertrim_failed; } } #ifdef CONFIG_MTK_FB ts->abs_x_max = DISP_GetScreenWidth(); ts->abs_y_max = DISP_GetScreenHeight(); #endif ts->input_dev = tpd->dev; if (ts->input_dev == NULL) { NVT_ERR("allocate input device failed\n"); ret = -ENOMEM; goto err_input_dev_alloc_failed; } ts->max_touch_num = TOUCH_MAX_FINGER_NUM; #if TOUCH_KEY_NUM > 0 ts->max_button_num = TOUCH_KEY_NUM; #endif ts->int_trigger_type = INT_TRIGGER_TYPE; //---set input device info.--- ts->input_dev->evbit[0] = BIT_MASK(EV_SYN) | BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS) ; ts->input_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH); ts->input_dev->propbit[0] = BIT(INPUT_PROP_DIRECT); #if MT_PROTOCOL_B input_mt_init_slots(ts->input_dev, ts->max_touch_num, 0); #endif input_set_abs_params(ts->input_dev, ABS_MT_PRESSURE, 0, TOUCH_FORCE_NUM, 0, 0); //pressure = TOUCH_FORCE_NUM #if TOUCH_MAX_FINGER_NUM > 1 input_set_abs_params(ts->input_dev, ABS_MT_TOUCH_MAJOR, 0, 255, 0, 0); //area = 255 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); #if MT_PROTOCOL_B // no need to set ABS_MT_TRACKING_ID, input_mt_init_slots() already set it #else input_set_abs_params(ts->input_dev, ABS_MT_TRACKING_ID, 0, ts->max_touch_num, 0, 0); #endif //MT_PROTOCOL_B #endif //TOUCH_MAX_FINGER_NUM > 1 #if TOUCH_KEY_NUM > 0 for (retry = 0; retry < ts->max_button_num; retry++) { input_set_capability(ts->input_dev, EV_KEY, touch_key_array[retry]); } #endif input_set_capability(ts->input_dev, EV_KEY, KEY_F13); input_set_capability(ts->input_dev, EV_KEY, KEY_F14); np=of_find_matching_node(np, touch_of_match);; client->irq =irq_of_parse_and_map(np, 0); if (client->irq) { ts->irq_enabled = true; ret = request_threaded_irq(client->irq, NULL, nvt_ts_work_func, IRQF_TRIGGER_RISING | IRQF_ONESHOT, NVT_SPI_NAME, ts); if (ret != 0) { NVT_ERR("request irq failed. ret=%d\n", ret); goto err_int_request_failed; } else { nvt_irq_enable(false); NVT_LOG("request irq %d succeed\n", client->irq); } } #if WAKEUP_GESTURE device_init_wakeup(&ts->input_dev->dev, 1); #endif #if BOOT_UPDATE_FIRMWARE nvt_fwu_wq = alloc_workqueue("nvt_fwu_wq", WQ_UNBOUND | WQ_MEM_RECLAIM, 1); if (!nvt_fwu_wq) { NVT_ERR("nvt_fwu_wq create workqueue failed\n"); ret = -ENOMEM; goto err_create_nvt_fwu_wq_failed; } INIT_DELAYED_WORK(&ts->nvt_fwu_work, Boot_Update_Firmware); // please make sure boot update start after display reset(RESX) sequence queue_delayed_work(nvt_fwu_wq, &ts->nvt_fwu_work, msecs_to_jiffies(3000)); #endif NVT_LOG("NVT_TOUCH_ESD_PROTECT is %d\n", NVT_TOUCH_ESD_PROTECT); #if NVT_TOUCH_ESD_PROTECT INIT_DELAYED_WORK(&nvt_esd_check_work, nvt_esd_check_func); nvt_esd_check_wq = alloc_workqueue("nvt_esd_check_wq", WQ_MEM_RECLAIM, 1); if (!nvt_esd_check_wq) { NVT_ERR("nvt_esd_check_wq create workqueue failed\n"); ret = -ENOMEM; goto err_create_nvt_esd_check_wq_failed; } queue_delayed_work(nvt_esd_check_wq, &nvt_esd_check_work, msecs_to_jiffies(NVT_TOUCH_ESD_CHECK_PERIOD)); #endif /* #if NVT_TOUCH_ESD_PROTECT */ //---set device node--- #if NVT_TOUCH_PROC ret = nvt_flash_proc_init(); if (ret != 0) { NVT_ERR("nvt flash proc init failed. ret=%d\n", ret); goto err_flash_proc_init_failed; } #endif #if NVT_TOUCH_EXT_PROC ret = nvt_extra_proc_init(); if (ret != 0) { NVT_ERR("nvt extra proc init failed. ret=%d\n", ret); goto err_extra_proc_init_failed; } #endif #if NVT_TOUCH_MP ret = nvt_mp_proc_init(); if (ret != 0) { NVT_ERR("nvt mp proc init failed. ret=%d\n", ret); goto err_mp_proc_init_failed; } #endif //gesture_init_node(); bTouchIsAwake = 1; tpd_load_status=1; nvt_irq_enable(true); NVT_LOG("end\n"); return 0; #if NVT_TOUCH_MP err_mp_proc_init_failed: nvt_mp_proc_deinit(); #endif #if NVT_TOUCH_EXT_PROC nvt_extra_proc_deinit(); err_extra_proc_init_failed: #endif #if NVT_TOUCH_PROC nvt_flash_proc_deinit(); err_flash_proc_init_failed: #endif #if NVT_TOUCH_ESD_PROTECT if (nvt_esd_check_wq) { cancel_delayed_work_sync(&nvt_esd_check_work); destroy_workqueue(nvt_esd_check_wq); nvt_esd_check_wq = NULL; } err_create_nvt_esd_check_wq_failed: #endif #if BOOT_UPDATE_FIRMWARE if (nvt_fwu_wq) { cancel_delayed_work_sync(&ts->nvt_fwu_work); destroy_workqueue(nvt_fwu_wq); nvt_fwu_wq = NULL; } err_create_nvt_fwu_wq_failed: #endif #if WAKEUP_GESTURE device_init_wakeup(&ts->input_dev->dev, 0); #endif free_irq(client->irq, ts); err_int_request_failed: err_input_dev_alloc_failed: err_chipvertrim_failed: mutex_destroy(&ts->xbuf_lock); mutex_destroy(&ts->lock); err_spi_setup: err_ckeck_full_duplex: spi_set_drvdata(client, NULL); if (ts->rbuf) { kfree(ts->rbuf); ts->rbuf = NULL; } err_malloc_rbuf: if (ts->xbuf) { kfree(ts->xbuf); ts->xbuf = NULL; } err_malloc_xbuf: if (ts) { kfree(ts); ts = NULL; } return ret; } /******************************************************* Description: Novatek touchscreen driver release function. return: Executive outcomes. 0---succeed. *******************************************************/ static int32_t nvt_ts_remove(struct spi_device *client) { NVT_LOG("Removing driver...\n"); #if NVT_TOUCH_MP nvt_mp_proc_deinit(); #endif #if NVT_TOUCH_EXT_PROC nvt_extra_proc_deinit(); #endif #if NVT_TOUCH_PROC nvt_flash_proc_deinit(); #endif #if NVT_TOUCH_ESD_PROTECT if (nvt_esd_check_wq) { cancel_delayed_work_sync(&nvt_esd_check_work); nvt_esd_check_enable(false); destroy_workqueue(nvt_esd_check_wq); nvt_esd_check_wq = NULL; } #endif #if BOOT_UPDATE_FIRMWARE if (nvt_fwu_wq) { cancel_delayed_work_sync(&ts->nvt_fwu_work); destroy_workqueue(nvt_fwu_wq); nvt_fwu_wq = NULL; } #endif #if WAKEUP_GESTURE device_init_wakeup(&ts->input_dev->dev, 0); #endif nvt_irq_enable(false); free_irq(client->irq, ts); mutex_destroy(&ts->xbuf_lock); mutex_destroy(&ts->lock); if (ts->input_dev) { input_unregister_device(ts->input_dev); ts->input_dev = NULL; } spi_set_drvdata(client, NULL); if (ts) { kfree(ts); ts = NULL; } return 0; } static void nvt_ts_shutdown(struct spi_device *client) { NVT_LOG("Shutdown driver...\n"); disable_irq_nosync(client->irq); #if NVT_TOUCH_MP nvt_mp_proc_deinit(); #endif #if NVT_TOUCH_EXT_PROC nvt_extra_proc_deinit(); #endif #if NVT_TOUCH_PROC nvt_flash_proc_deinit(); #endif #if NVT_TOUCH_ESD_PROTECT if (nvt_esd_check_wq) { cancel_delayed_work_sync(&nvt_esd_check_work); nvt_esd_check_enable(false); destroy_workqueue(nvt_esd_check_wq); nvt_esd_check_wq = NULL; } #endif /* #if NVT_TOUCH_ESD_PROTECT */ #if BOOT_UPDATE_FIRMWARE if (nvt_fwu_wq) { cancel_delayed_work_sync(&ts->nvt_fwu_work); destroy_workqueue(nvt_fwu_wq); nvt_fwu_wq = NULL; } #endif #if WAKEUP_GESTURE device_init_wakeup(&ts->input_dev->dev, 0); #endif } /******************************************************* Description: Novatek touchscreen driver suspend function. return: Executive outcomes. 0---succeed. *******************************************************/ static void nvt_ts_suspend(struct device *dev) { uint8_t buf[4] = {0}; /* #if MT_PROTOCOL_B uint32_t i = 0; #endif */ if (!bTouchIsAwake) { NVT_LOG("Touch is already suspend\n"); return; } #if NVT_TOUCH_ESD_PROTECT NVT_LOG("cancel delayed work sync\n"); cancel_delayed_work_sync(&nvt_esd_check_work); nvt_esd_check_enable(false); #endif /* #if NVT_TOUCH_ESD_PROTECT */ mutex_lock(&ts->lock); //NVT_LOG("%s start\n",(jran_gesture_fun_enable=SetDozeStatus())?"gesture mode":"deep mode"); bTouchIsAwake = 0; if(jran_gesture_fun_enable){ //---write command to enter "wakeup gesture mode"--- buf[0] = EVENT_MAP_HOST_CMD; buf[1] = 0x13; CTP_SPI_WRITE(ts->client, buf, 2); enable_irq_wake(ts->client->irq); }else{ //---write command to enter "deep sleep mode"--- buf[0] = EVENT_MAP_HOST_CMD; buf[1] = 0x11; CTP_SPI_WRITE(ts->client, buf, 2); } mutex_unlock(&ts->lock); /* release all touches */ /* #if MT_PROTOCOL_B for (i = 0; i < ts->max_touch_num; i++) { input_mt_slot(ts->input_dev, i); input_report_abs(ts->input_dev, ABS_MT_TOUCH_MAJOR, 0); input_report_abs(ts->input_dev, ABS_MT_PRESSURE, 0); input_mt_report_slot_state(ts->input_dev, MT_TOOL_FINGER, 0); } #endif input_report_key(ts->input_dev, BTN_TOUCH, 0); #if !MT_PROTOCOL_B input_mt_sync(ts->input_dev); #endif input_sync(ts->input_dev);*/ msleep(50); NVT_LOG("end\n"); return; } /******************************************************* Description: Novatek touchscreen driver resume function. return: Executive outcomes. 0---succeed. *******************************************************/ static void nvt_ts_resume(struct device *dev) { #if MT_PROTOCOL_B uint32_t i = 0; #endif /* release all touches */ #if MT_PROTOCOL_B for (i = 0; i < ts->max_touch_num; i++) { input_mt_slot(ts->input_dev, i); input_report_abs(ts->input_dev, ABS_MT_TOUCH_MAJOR, 0); input_report_abs(ts->input_dev, ABS_MT_PRESSURE, 0); input_mt_report_slot_state(ts->input_dev, MT_TOOL_FINGER, 0); } #endif input_report_key(ts->input_dev, BTN_TOUCH, 0); #if !MT_PROTOCOL_B input_mt_sync(ts->input_dev); #endif input_sync(ts->input_dev); if (bTouchIsAwake) { NVT_LOG("Touch is already resume\n"); return; } mutex_lock(&ts->lock); NVT_LOG("start\n"); if (nvt_choose_fw(true)) { NVT_ERR("download firmware failed, ignore check fw state\n"); } else { nvt_check_fw_reset_state(RESET_STATE_REK); } #if NVT_TOUCH_ESD_PROTECT nvt_esd_check_enable(false); queue_delayed_work(nvt_esd_check_wq, &nvt_esd_check_work, msecs_to_jiffies(NVT_TOUCH_ESD_CHECK_PERIOD)); #endif /* #if NVT_TOUCH_ESD_PROTECT */ bTouchIsAwake = 1; mutex_unlock(&ts->lock); NVT_LOG("end\n"); return; } static const struct spi_device_id nvt_ts_id[] = { { NVT_SPI_NAME, 0 }, { } }; #ifdef CONFIG_OF static struct of_device_id nvt_match_table[] = { { .compatible = "novatek,NVT-ts-spi",}, { .compatible = "focaltech,fts",}, { .compatible = "tchip,ILITEK_TDDI",}, { }, }; #endif static struct spi_driver nvt_spi_driver = { .probe = nvt_ts_probe, .remove = nvt_ts_remove, .shutdown = nvt_ts_shutdown, .id_table = nvt_ts_id, .driver = { .name = NVT_SPI_NAME, .owner = THIS_MODULE, #ifdef CONFIG_OF .of_match_table = nvt_match_table, #endif }, }; static int nvt_local_init(void) { int ret = 0; NVT_LOG("start %s\n",__func__); ret = spi_register_driver(&nvt_spi_driver); if (ret) { NVT_ERR("unable to add spi driver.\n"); return -1; } if (tpd_load_status == 0) { NVT_ERR("add error touch panel driver.\n"); spi_unregister_driver(&nvt_spi_driver); return -1; } if (tpd_dts_data.use_tpd_button) { /*initialize tpd button data*/ tpd_button_setting(tpd_dts_data.tpd_key_num, tpd_dts_data.tpd_key_local, tpd_dts_data.tpd_key_dim_local); } tpd_type_cap = 1; NVT_LOG("end\n"); return 0; } static struct tpd_driver_t nvt_device_driver = { .tpd_device_name = NVT_SPI_NAME, .tpd_local_init = nvt_local_init, .suspend = nvt_ts_suspend, .resume = nvt_ts_resume, .attrs = { .attr = novatek_attrs, .num = ARRAY_SIZE(novatek_attrs), }, }; /******************************************************* Description: Driver Install function. return: Executive Outcomes. 0---succeed. not 0---failed. ********************************************************/ static int32_t __init nvt_driver_init(void) { int32_t ret = 0; NVT_LOG("start\n"); tpd_get_dts_info(); ret = tpd_driver_add(&nvt_device_driver); if (ret < 0){ NVT_ERR("failed to add i2c driver"); goto err_driver; } NVT_LOG("end\n"); err_driver: return ret; } /******************************************************* Description: Driver uninstall function. return: n.a. ********************************************************/ static void __exit nvt_driver_exit(void) { tpd_driver_remove(&nvt_device_driver); #if BOOT_UPDATE_FIRMWARE if (nvt_fwu_wq) destroy_workqueue(nvt_fwu_wq); #endif } module_init(nvt_driver_init); module_exit(nvt_driver_exit); MODULE_DESCRIPTION("Novatek Touchscreen Driver"); MODULE_LICENSE("GPL");