diff options
Diffstat (limited to 'drivers/input/touchscreen/melfas_mms_ts.c')
-rw-r--r-- | drivers/input/touchscreen/melfas_mms_ts.c | 3414 |
1 files changed, 3414 insertions, 0 deletions
diff --git a/drivers/input/touchscreen/melfas_mms_ts.c b/drivers/input/touchscreen/melfas_mms_ts.c new file mode 100644 index 0000000..bb6c45a --- /dev/null +++ b/drivers/input/touchscreen/melfas_mms_ts.c @@ -0,0 +1,3414 @@ +/* + * mms_ts.c - Touchscreen driver for Melfas MMS-series touch controllers + * + * Copyright (C) 2011 Google Inc. + * Author: Dima Zavin <dima@android.com> + * Simon Wilson <simonwilson@google.com> + * + * ISP reflashing code based on original code from Melfas. + * + * 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. + * + */ + +#define DEBUG +/* #define VERBOSE_DEBUG */ +#define SEC_TSP_DEBUG +/* #define SEC_TSP_VERBOSE_DEBUG */ + +/* #define FORCE_FW_FLASH */ +/* #define FORCE_FW_PASS */ +/* #define ESD_DEBUG */ + +#define SEC_TSP_FACTORY_TEST +#define SEC_TSP_FW_UPDATE +#define TSP_BUF_SIZE 1024 +#define FAIL -1 +#include <linux/delay.h> +#include <linux/earlysuspend.h> +#include <linux/firmware.h> +#include <linux/gpio.h> +#include <linux/i2c.h> +#include <linux/init.h> +#include <linux/input.h> +#include <linux/input/mt.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/module.h> +#include <linux/mutex.h> +#include <linux/slab.h> +#include <mach/gpio.h> +#include <linux/uaccess.h> + +#include <mach/cpufreq.h> +#include <mach/dev.h> + +#include <linux/melfas_mms_ts.h> + +#include <asm/unaligned.h> + +#ifdef CONFIG_INPUT_FBSUSPEND +#ifdef CONFIG_DRM +#include <drm/drm_backlight.h> +#endif +#include <linux/fb.h> +#endif + +#ifdef CONFIG_SLP_CHECK_CPU_LOAD +#include <linux/cpufreq_slp.h> +#endif + +#define MAX_FINGERS 10 +#define MAX_WIDTH 30 +#define MAX_PRESSURE 255 +#define MAX_ANGLE 90 +#define MIN_ANGLE -90 + +/* Registers */ +#define MMS_MODE_CONTROL 0x01 +#define MMS_XYRES_HI 0x02 +#define MMS_XRES_LO 0x03 +#define MMS_YRES_LO 0x04 + +#define MMS_INPUT_EVENT_PKT_SZ 0x0F +#define MMS_INPUT_EVENT0 0x10 + + +enum { + TSP_6_BYTE_PROTOCOL = 6, + TSP_8_BYTE_PROTOCOL = 8, + TSP_PROTOCOL_MAX = TSP_8_BYTE_PROTOCOL, +}; + +#define MMS_TSP_REVISION 0xF0 +#define MMS_HW_REVISION 0xF1 +#define MMS_COMPAT_GROUP 0xF2 +#define MMS_FW_VERSION 0xF3 + +enum { + ISP_MODE_FLASH_ERASE = 0x59F3, + ISP_MODE_FLASH_WRITE = 0x62CD, + ISP_MODE_FLASH_READ = 0x6AC9, +}; + +/* each address addresses 4-byte words */ +#define ISP_MAX_FW_SIZE (0x1F00 * 4) +#define ISP_IC_INFO_ADDR 0x1F00 + +#ifdef SEC_TSP_FW_UPDATE + +#define WORD_SIZE 4 + +#define ISC_PKT_SIZE 1029 +#define ISC_PKT_DATA_SIZE 1024 +#define ISC_PKT_HEADER_SIZE 3 +#define ISC_PKT_NUM 31 + +#define ISC_ENTER_ISC_CMD 0x5F +#define ISC_ENTER_ISC_DATA 0x01 +#define ISC_CMD 0xAE +#define ISC_ENTER_UPDATE_DATA 0x55 +#define ISC_ENTER_UPDATE_DATA_LEN 9 +#define ISC_DATA_WRITE_SUB_CMD 0xF1 +#define ISC_EXIT_ISC_SUB_CMD 0x0F +#define ISC_EXIT_ISC_SUB_CMD2 0xF0 +#define ISC_CHECK_STATUS_CMD 0xAF +#define ISC_CONFIRM_CRC 0x03 +#define ISC_DEFAULT_CRC 0xFFFF + +#endif + +#define TSP_FW_UPDATEABLE_HW_REV 15 + +#ifdef SEC_TSP_FACTORY_TEST +#define TX_NUM 26 +#define RX_NUM 14 +#define NODE_NUM 364 /* 26x14 */ + +/* VSC(Vender Specific Command) */ +#define MMS_VSC_CMD 0xB0 /* vendor specific command */ +#define MMS_VSC_MODE 0x1A /* mode of vendor */ + +#define MMS_VSC_CMD_ENTER 0X01 +#define MMS_VSC_CMD_CM_DELTA 0X02 +#define MMS_VSC_CMD_CM_ABS 0X03 +#define MMS_VSC_CMD_EXIT 0X05 +#define MMS_VSC_CMD_INTENSITY 0X04 +#define MMS_VSC_CMD_RAW 0X06 +#define MMS_VSC_CMD_REFER 0X07 + +#define TSP_CMD_STR_LEN 32 +#define TSP_CMD_RESULT_STR_LEN 512 +#define TSP_CMD_PARAM_NUM 8 +#endif /* SEC_TSP_FACTORY_TEST */ + +/* Touch booster */ +#if defined(CONFIG_EXYNOS4_CPUFREQ) &&\ + defined(CONFIG_BUSFREQ_OPP) +#define TOUCH_BOOSTER 1 +#define TOUCH_BOOSTER_OFF_TIME 100 +#define TOUCH_BOOSTER_CHG_TIME 200 +static struct device *bus_dev; +#elif defined(CONFIG_MACH_SLP_PQ) +#define TOUCH_BOOSTER 1 +#define TOUCH_BOOSTER_OFF_TIME 100 +#define TOUCH_BOOSTER_CHG_TIME 200 +static struct device *bus_dev; +#else +#define TOUCH_BOOSTER 0 +#endif + +struct device *sec_touchscreen; + +int touch_is_pressed; + +#define ISC_DL_MODE 1 + +/* 4.8" OCTA LCD */ +#define FW_VERSION_4_8 0xBB +/* TODO: We need 4.8 inch TSP F/W */ +/* 4.65" OCTA LCD */ +#define FW_VERSION_4_65 0x66 +#include "465_SMD_V66.h" +/* 4.77" TFT LCD */ +#define FW_VERSION_4_77 0x50 +#include "477_SMD_V50.h" + +#define FW_VERSION_4_77_NEW 0x02 +#include "477_SMD_V02.h" + +#define FW_VERSION_5_5 0x01 + +#define MAX_FW_PATH 255 +#define TSP_FW_FILENAME "melfas_fw.bin" + +#if ISC_DL_MODE /* ISC_DL_MODE start */ + +/* + * Default configuration of ISC mode + */ +#define DEFAULT_SLAVE_ADDR 0x48 + +#define SECTION_NUM 4 +#define SECTION_NAME_LEN 5 + +#define PAGE_HEADER 3 +#define PAGE_DATA 1024 +#define PAGE_TAIL 2 +#define PACKET_SIZE (PAGE_HEADER + PAGE_DATA + PAGE_TAIL) +#define TS_WRITE_REGS_LEN 1030 + +#define TIMEOUT_CNT 10 +#define STRING_BUF_LEN 100 + + +/* State Registers */ +#define MIP_ADDR_INPUT_INFORMATION 0x01 + +#define ISC_ADDR_VERSION 0xE1 +#define ISC_ADDR_SECTION_PAGE_INFO 0xE5 + +/* Config Update Commands */ +#define ISC_CMD_ENTER_ISC 0x5F +#define ISC_CMD_ENTER_ISC_PARA1 0x01 +#define ISC_CMD_UPDATE_MODE 0xAE +#define ISC_SUBCMD_ENTER_UPDATE 0x55 +#define ISC_SUBCMD_DATA_WRITE 0XF1 +#define ISC_SUBCMD_LEAVE_UPDATE_PARA1 0x0F +#define ISC_SUBCMD_LEAVE_UPDATE_PARA2 0xF0 +#define ISC_CMD_CONFIRM_STATUS 0xAF + +#define ISC_STATUS_UPDATE_MODE 0x01 +#define ISC_STATUS_CRC_CHECK_SUCCESS 0x03 + +#define ISC_CHAR_2_BCD(num) (((num/10)<<4) + (num%10)) +#define ISC_MAX(x, y) (((x) > (y)) ? (x) : (y)) + +static const char section_name[SECTION_NUM][SECTION_NAME_LEN] = { + "BOOT", "CORE", "PRIV", "PUBL" +}; + +static const unsigned char crc0_buf[31] = { + 0x1D, 0x2C, 0x05, 0x34, 0x95, 0xA4, 0x8D, 0xBC, + 0x59, 0x68, 0x41, 0x70, 0xD1, 0xE0, 0xC9, 0xF8, + 0x3F, 0x0E, 0x27, 0x16, 0xB7, 0x86, 0xAF, 0x9E, + 0x7B, 0x4A, 0x63, 0x52, 0xF3, 0xC2, 0xEB +}; + +static const unsigned char crc1_buf[31] = { + 0x1E, 0x9C, 0xDF, 0x5D, 0x76, 0xF4, 0xB7, 0x35, + 0x2A, 0xA8, 0xEB, 0x69, 0x42, 0xC0, 0x83, 0x01, + 0x04, 0x86, 0xC5, 0x47, 0x6C, 0xEE, 0xAD, 0x2F, + 0x30, 0xB2, 0xF1, 0x73, 0x58, 0xDA, 0x99 +}; + +static struct tISCFWInfo_t mbin_info[SECTION_NUM]; +static struct tISCFWInfo_t ts_info[SECTION_NUM]; +static bool section_update_flag[SECTION_NUM]; + +const struct firmware *fw_mbin[SECTION_NUM]; + +static unsigned char g_wr_buf[1024 + 3 + 2]; +#endif + +enum fw_flash_mode { + ISP_FLASH, + ISC_FLASH, +}; + +enum { + BUILT_IN = 0, + UMS, + REQ_FW, +}; + +enum tsp_hw_rev { + TSP_REV_4_80 = 0x01, + TSP_REV_4_65 = 0x0C, + TSP_REV_4_77_NEW = 0x06, + TSP_REV_4_77 = 0x07, + SAMPLE_4_77 = 0x32, +}; + +struct tsp_callbacks { + void (*inform_charger)(struct tsp_callbacks *tsp_cb, bool mode); +}; + +struct mms_ts_info { + struct i2c_client *client; + struct input_dev *input_dev; + char phys[32]; + int max_x; + int max_y; + bool invert_x; + bool invert_y; + int irq; + char *fw_name; + int (*power) (int on); + void (*input_event)(void *data); + + struct melfas_mms_platform_data *pdata; + struct early_suspend early_suspend; +#if TOUCH_BOOSTER + struct delayed_work work_dvfs_off; + struct delayed_work work_dvfs_chg; + bool dvfs_lock_status; + int cpufreq_level; + struct mutex dvfs_lock; +#endif + + /* protects the enabled flag */ + struct mutex lock; + bool enabled; + + enum fw_flash_mode fw_flash_mode; + void (*register_cb)(void *); + struct tsp_callbacks callbacks; + bool ta_status; + bool noise_mode; + +#if defined(SEC_TSP_DEBUG) || defined(SEC_TSP_VERBOSE_DEBUG) + unsigned char finger_state[MAX_FINGERS]; +#endif + +#if defined(SEC_TSP_FW_UPDATE) + u8 fw_update_state; +#endif + u8 fw_ic_ver; + u8 ic_hw_ver; + +#if defined(SEC_TSP_FACTORY_TEST) + struct list_head cmd_list_head; + u8 cmd_state; + char cmd[TSP_CMD_STR_LEN]; + int cmd_param[TSP_CMD_PARAM_NUM]; + char cmd_result[TSP_CMD_RESULT_STR_LEN]; + struct mutex cmd_lock; + bool cmd_is_running; + + unsigned int reference[NODE_NUM]; + unsigned int raw[NODE_NUM]; /* CM_ABS */ + unsigned int inspection[NODE_NUM];/* CM_DELTA */ + unsigned int intensity[NODE_NUM]; + bool ft_flag; +#endif /* SEC_TSP_FACTORY_TEST */ + +#ifdef CONFIG_INPUT_FBSUSPEND + struct notifier_block fb_notif; + bool was_enabled_at_suspend; +#endif + int finger_event_sz; +}; + +struct mms_fw_image { + __le32 hdr_len; + __le32 data_len; + __le32 fw_ver; + __le32 hdr_ver; + u8 data[0]; +} __packed; + + +#if TOUCH_BOOSTER +static bool dvfs_lock_status; +static bool press_status; +#endif + +#if defined(SEC_TSP_FACTORY_TEST) +#define TSP_CMD(name, func) .cmd_name = name, .cmd_func = func + +struct tsp_cmd { + struct list_head list; + const char *cmd_name; + void (*cmd_func)(void *device_data); +}; + +static void fw_update(void *device_data); +static void get_fw_ver_bin(void *device_data); +static void get_fw_ver_ic(void *device_data); +static void get_config_ver(void *device_data); +static void get_threshold(void *device_data); +static void module_off_master(void *device_data); +static void module_on_master(void *device_data); +static void get_chip_vendor(void *device_data); +static void get_chip_name(void *device_data); +static void get_reference(void *device_data); +static void get_cm_abs(void *device_data); +static void get_cm_delta(void *device_data); +static void get_intensity(void *device_data); +static void get_x_num(void *device_data); +static void get_y_num(void *device_data); +static void run_reference_read(void *device_data); +static void run_cm_abs_read(void *device_data); +static void run_cm_delta_read(void *device_data); +static void run_intensity_read(void *device_data); +static void not_support_cmd(void *device_data); + +struct tsp_cmd tsp_cmds[] = { + {TSP_CMD("fw_update", fw_update),}, + {TSP_CMD("get_fw_ver_bin", get_fw_ver_bin),}, + {TSP_CMD("get_fw_ver_ic", get_fw_ver_ic),}, + {TSP_CMD("get_config_ver", get_config_ver),}, + {TSP_CMD("get_threshold", get_threshold),}, + {TSP_CMD("module_off_master", module_off_master),}, + {TSP_CMD("module_on_master", module_on_master),}, + {TSP_CMD("module_off_slave", not_support_cmd),}, + {TSP_CMD("module_on_slave", not_support_cmd),}, + {TSP_CMD("get_chip_vendor", get_chip_vendor),}, + {TSP_CMD("get_chip_name", get_chip_name),}, + {TSP_CMD("get_x_num", get_x_num),}, + {TSP_CMD("get_y_num", get_y_num),}, + {TSP_CMD("get_reference", get_reference),}, + {TSP_CMD("get_cm_abs", get_cm_abs),}, + {TSP_CMD("get_cm_delta", get_cm_delta),}, + {TSP_CMD("get_intensity", get_intensity),}, + {TSP_CMD("run_reference_read", run_reference_read),}, + {TSP_CMD("run_cm_abs_read", run_cm_abs_read),}, + {TSP_CMD("run_cm_delta_read", run_cm_delta_read),}, + {TSP_CMD("run_intensity_read", run_intensity_read),}, + {TSP_CMD("not_support_cmd", not_support_cmd),}, +}; +#endif + +#if TOUCH_BOOSTER +static void change_dvfs_lock(struct work_struct *work) +{ + struct mms_ts_info *info = container_of(work, + struct mms_ts_info, work_dvfs_chg.work); + int ret; + + mutex_lock(&info->dvfs_lock); + + ret = dev_lock(bus_dev, sec_touchscreen, 267160); /* 266 Mhz setting */ + + if (ret < 0) + pr_err("%s: dev change bud lock failed(%d)\n",\ + __func__, __LINE__); + else + pr_info("[TSP] change_dvfs_lock"); + mutex_unlock(&info->dvfs_lock); +} +static void set_dvfs_off(struct work_struct *work) +{ + + struct mms_ts_info *info = container_of(work, + struct mms_ts_info, work_dvfs_off.work); + int ret; + + mutex_lock(&info->dvfs_lock); + + ret = dev_unlock(bus_dev, sec_touchscreen); + if (ret < 0) + pr_err("%s: dev unlock failed(%d)\n", + __func__, __LINE__); + + exynos_cpufreq_lock_free(DVFS_LOCK_ID_TSP); + info->dvfs_lock_status = false; + pr_info("[TSP] DVFS Off!"); + mutex_unlock(&info->dvfs_lock); + } + +static void set_dvfs_lock(struct mms_ts_info *info, uint32_t on) +{ + int ret; + + mutex_lock(&info->dvfs_lock); + if (info->cpufreq_level <= 0) { + ret = exynos_cpufreq_get_level(800000, &info->cpufreq_level); + if (ret < 0) + pr_err("[TSP] exynos_cpufreq_get_level error"); + goto out; + } + if (on == 0) { + if (info->dvfs_lock_status) { + cancel_delayed_work(&info->work_dvfs_chg); + schedule_delayed_work(&info->work_dvfs_off, + msecs_to_jiffies(TOUCH_BOOSTER_OFF_TIME)); + } + + } else if (on == 1) { + cancel_delayed_work(&info->work_dvfs_off); + if (!info->dvfs_lock_status) { + ret = dev_lock(bus_dev, sec_touchscreen, 400200); + if (ret < 0) { + pr_err("%s: dev lock failed(%d)\n",\ + __func__, __LINE__); +} + + ret = exynos_cpufreq_lock(DVFS_LOCK_ID_TSP, + info->cpufreq_level); + if (ret < 0) + pr_err("%s: cpu lock failed(%d)\n",\ + __func__, __LINE__); + + schedule_delayed_work(&info->work_dvfs_chg, + msecs_to_jiffies(TOUCH_BOOSTER_CHG_TIME)); + + info->dvfs_lock_status = true; + pr_info("[TSP] DVFS On![%d]", info->cpufreq_level); + } + } else if (on == 2) { + cancel_delayed_work(&info->work_dvfs_off); + cancel_delayed_work(&info->work_dvfs_chg); + schedule_work(&info->work_dvfs_off.work); + } +out: + mutex_unlock(&info->dvfs_lock); +} + +#endif + +#ifdef CONFIG_INPUT_FBSUSPEND +#ifdef CONFIG_DRM +static void melfas_set_power(void *priv, int power) +{ + struct mms_ts_info *info = (struct mms_ts_info *)priv; + int i; + + switch (power) { + case FB_BLANK_UNBLANK: + if (info->enabled == 0) { + info->pdata->power(true); + msleep(200); + enable_irq(info->client->irq); + info->enabled = 1; + } else { + pr_err("[TSP] touchscreen already on\n"); + } + break; + case FB_BLANK_POWERDOWN: + for (i = 0; i < MAX_FINGERS; i++) { + input_mt_slot(info->input_dev, i); + input_mt_report_slot_state(info->input_dev, + MT_TOOL_FINGER, false); + input_sync(info->input_dev); + } + if (info->enabled == 1) { + disable_irq(info->client->irq); + info->pdata->power(false); + info->enabled = 0; + } else { + pr_err("[TSP] touchscreen already off\n"); + } + break; + default: + break; + } +} + +static struct drm_bl_notifier bl_notifier = { + .set_power = melfas_set_power +}; + +static int tsp_register_fb(struct mms_ts_info *info) +{ + bl_notifier.dev = info->input_dev->dev; + bl_notifier.priv = (void *)info; + + return drm_bl_register(&bl_notifier.dev, BL_TSP_CLASS); +} + +static void tsp_unregister_fb(struct mms_ts_info *info) +{ + drm_bl_unregister(&bl_notifier.dev); +} +#else +static int +melfas_fb_notifier_callback(struct notifier_block *self, + unsigned long event, void *fb_evdata) +{ + struct mms_ts_info *info; + struct fb_event *evdata = fb_evdata; + int blank; + int i; + + /* If we aren't interested in this event, skip it immediately ... */ + if (event != FB_EVENT_BLANK) + return 0; + + info = container_of(self, struct mms_ts_info, fb_notif); + blank = *(int *)evdata->data; + + switch (blank) { + case FB_BLANK_UNBLANK: + if (info->enabled == 0) { + info->pdata->power(true); + msleep(200); + enable_irq(info->client->irq); + info->enabled = 1; + } else { + pr_err("[TSP] touchscreen already on\n"); + } + break; + case FB_BLANK_POWERDOWN: + for (i = 0; i < MAX_FINGERS; i++) { + input_mt_slot(info->input_dev, i); + input_mt_report_slot_state(info->input_dev, + MT_TOOL_FINGER, false); + input_sync(info->input_dev); + } + if (info->enabled == 1) { + disable_irq(info->client->irq); + info->pdata->power(false); + info->enabled = 0; + } else { + pr_err("[TSP] touchscreen already off\n"); + } + break; + default: + break; + } + return 0; +} + +static int tsp_register_fb(struct mms_ts_info *info) +{ + memset(&info->fb_notif, 0, sizeof(info->fb_notif)); + info->fb_notif.notifier_call = melfas_fb_notifier_callback; + return fb_register_client(&info->fb_notif); +} +static void tsp_unregister_fb(struct mms_ts_info *info) +{ + fb_unregister_client(&info->fb_notif); +} +#endif +#endif + +static inline void mms_pwr_on_reset(struct mms_ts_info *info) +{ + struct i2c_adapter *adapter = to_i2c_adapter(info->client->dev.parent); + + if (!info->pdata->mux_fw_flash) { + dev_info(&info->client->dev, + "missing platform data, can't do power-on-reset\n"); + return; + } + + i2c_lock_adapter(adapter); + info->pdata->mux_fw_flash(true); + + info->pdata->power(0); + gpio_direction_output(info->pdata->gpio_sda, 0); + gpio_direction_output(info->pdata->gpio_scl, 0); + gpio_direction_output(info->pdata->gpio_int, 0); + msleep(50); + info->pdata->power(1); + msleep(200); + + info->pdata->mux_fw_flash(false); + i2c_unlock_adapter(adapter); + + /* TODO: Seems long enough for the firmware to boot. + * Find the right value */ + msleep(250); +} +static void release_all_fingers(struct mms_ts_info *info) +{ + struct i2c_client *client = info->client; + int i; + + printk(KERN_DEBUG "[TSP] %s\n", __func__); + + for (i = 0; i < MAX_FINGERS; i++) { +#ifdef SEC_TSP_DEBUG + if (info->finger_state[i] == 1) + dev_notice(&client->dev, "finger %d up(force)\n", i); +#endif + info->finger_state[i] = 0; + input_mt_slot(info->input_dev, i); + input_mt_report_slot_state(info->input_dev, MT_TOOL_FINGER, + false); + } + input_sync(info->input_dev); +#if TOUCH_BOOSTER + set_dvfs_lock(info, 2); + pr_info("[TSP] dvfs_lock free.\n "); +#endif +} + +static void mms_set_noise_mode(struct mms_ts_info *info) +{ + struct i2c_client *client = info->client; + + if (!(info->noise_mode && info->enabled)) + return; + dev_notice(&client->dev, "%s\n", __func__); + + if (info->ta_status) { + dev_notice(&client->dev, "noise_mode & TA connect!!!\n"); + i2c_smbus_write_byte_data(info->client, 0x30, 0x1); + } else { + dev_notice(&client->dev, "noise_mode & TA disconnect!!!\n"); + i2c_smbus_write_byte_data(info->client, 0x30, 0x2); + } +} + +static void reset_mms_ts(struct mms_ts_info *info) +{ + struct i2c_client *client = info->client; + + if (info->enabled == false) + return; + + dev_notice(&client->dev, "%s++\n", __func__); + disable_irq_nosync(info->irq); + info->enabled = false; + touch_is_pressed = 0; + + release_all_fingers(info); + + mms_pwr_on_reset(info); + enable_irq(info->irq); + info->enabled = true; + + if (info->ta_status) { + dev_notice(&client->dev, "TA connect!!!\n"); + i2c_smbus_write_byte_data(info->client, 0x33, 0x1); + } else { + dev_notice(&client->dev, "TA disconnect!!!\n"); + i2c_smbus_write_byte_data(info->client, 0x33, 0x2); + mms_set_noise_mode(info); + } + + dev_notice(&client->dev, "%s--\n", __func__); +} + +static void melfas_ta_cb(struct tsp_callbacks *cb, bool ta_status) +{ + struct mms_ts_info *info = + container_of(cb, struct mms_ts_info, callbacks); + struct i2c_client *client = info->client; + + dev_notice(&client->dev, "%s\n", __func__); + + info->ta_status = ta_status; + + if (info->enabled) { + if (info->ta_status) { + dev_notice(&client->dev, "TA connect!!!\n"); + i2c_smbus_write_byte_data(info->client, 0x33, 0x1); + } else { + dev_notice(&client->dev, "TA disconnect!!!\n"); + i2c_smbus_write_byte_data(info->client, 0x33, 0x2); + mms_set_noise_mode(info); + } + } + +} + +static irqreturn_t mms_ts_interrupt(int irq, void *dev_id) +{ + struct mms_ts_info *info = dev_id; + struct i2c_client *client = info->client; + u8 buf[MAX_FINGERS * TSP_PROTOCOL_MAX] = { 0 }; + int ret; + int i; + int sz; + u8 reg = MMS_INPUT_EVENT0; + struct i2c_msg msg[] = { + { + .addr = client->addr, + .flags = 0, + .buf = ®, + .len = 1, + }, { + .addr = client->addr, + .flags = I2C_M_RD, + .buf = buf, + }, + }; + + if (info->input_event) + info->input_event(info); + + sz = i2c_smbus_read_byte_data(client, MMS_INPUT_EVENT_PKT_SZ); + + if (sz < 0) { + dev_err(&client->dev, "%s bytes=%d\n", __func__, sz); + for (i = 0; i < 50; i++) { + sz = i2c_smbus_read_byte_data(client, + MMS_INPUT_EVENT_PKT_SZ); + if (sz > 0) + break; + } + + if (i == 50) { + dev_dbg(&client->dev, "i2c failed... reset!!\n"); + reset_mms_ts(info); + goto out; + } + } + + /* BUG_ON(sz > MAX_FINGERS*FINGER_EVENT_SZ); */ + if (sz == 0) + goto out; + + if (sz > MAX_FINGERS * info->finger_event_sz) { + dev_err(&client->dev, "[TSP] abnormal data inputed.\n"); + goto out; + } + + msg[1].len = sz; + ret = i2c_transfer(client->adapter, msg, ARRAY_SIZE(msg)); + if (ret != ARRAY_SIZE(msg)) { + dev_err(&client->dev, + "failed to read %d bytes of touch data (%d)\n", + sz, ret); + goto out; + } + +#if defined(VERBOSE_DEBUG) + print_hex_dump(KERN_DEBUG, "mms_ts raw: ", + DUMP_PREFIX_OFFSET, 32, 1, buf, sz, false); + +#endif + if (buf[0] == 0x0F) { /* ESD */ + dev_dbg(&client->dev, "ESD DETECT.... reset!!\n"); + reset_mms_ts(info); + goto out; + } + + if (buf[0] == 0x0E) { /* NOISE MODE */ + dev_dbg(&client->dev, "[TSP] noise mode enter!!\n"); + info->noise_mode = 1 ; + mms_set_noise_mode(info); + goto out; + } + + for (i = 0; i < sz; i += info->finger_event_sz) { + u8 *tmp = &buf[i]; + int id = (tmp[0] & 0xf) - 1; + int x = tmp[2] | ((tmp[1] & 0xf) << 8); + int y = 0; int angle = 0; int palm = 0; + if (info->finger_event_sz == TSP_6_BYTE_PROTOCOL) + y = tmp[3] | ((tmp[1] >> 4) << 8); + else { + y = tmp[3] | (((tmp[1] >> 4) & 0xf) << 8); + angle = (tmp[5] >= 127) ? (-(256 - tmp[5])) : tmp[5]; + palm = (tmp[0] & 0x10) >> 4; + } + if (info->invert_x) { + x = info->max_x - x; + if (x < 0) + x = 0; + } + if (info->invert_y) { + y = info->max_y - y; + if (y < 0) + y = 0; + } + if (id >= MAX_FINGERS) { + dev_notice(&client->dev, \ + "finger id error [%d]\n", id); + reset_mms_ts(info); + goto out; + } + + if ((tmp[0] & 0x80) == 0) { + if (info->finger_state[id] != 0) { + dev_notice(&client->dev, + "finger [%d] up\n", id); + } + input_mt_slot(info->input_dev, id); + input_mt_report_slot_state(info->input_dev, + MT_TOOL_FINGER, false); + +#if defined(SEC_TSP_DEBUG) || defined(SEC_TSP_VERBOSE_DEBUG) + info->finger_state[id] = 0; +#endif + continue; + } + + input_mt_slot(info->input_dev, id); + input_mt_report_slot_state(info->input_dev, + MT_TOOL_FINGER, true); + if (info->finger_event_sz == TSP_6_BYTE_PROTOCOL) { + input_report_abs(info->input_dev, + ABS_MT_POSITION_X, x); + input_report_abs(info->input_dev, + ABS_MT_POSITION_Y, y); + input_report_abs(info->input_dev, + ABS_MT_TOUCH_MAJOR, tmp[4]); + input_report_abs(info->input_dev, + ABS_MT_PRESSURE, tmp[5]); + } else { + input_report_abs(info->input_dev, + ABS_MT_WIDTH_MAJOR, tmp[4]); + input_report_abs(info->input_dev, + ABS_MT_POSITION_X, x); + input_report_abs(info->input_dev, + ABS_MT_POSITION_Y, y); + input_report_abs(info->input_dev, + ABS_MT_TOUCH_MAJOR, tmp[6]); + input_report_abs(info->input_dev, + ABS_MT_TOUCH_MINOR, tmp[7]); + input_report_abs(info->input_dev, + ABS_MT_ANGLE, angle); + input_report_abs(info->input_dev, + ABS_MT_PALM, palm); + } + + if (info->finger_state[id] == 0) { + info->finger_state[id] = 1; + dev_notice(&client->dev, + "finger [%d] down\n", id); + } + + } + input_sync(info->input_dev); + touch_is_pressed = 0; + + for (i = 0; i < MAX_FINGERS; i++) { + if (info->finger_state[i] == 1) + touch_is_pressed++; + } + +#if TOUCH_BOOSTER + set_dvfs_lock(info, !!touch_is_pressed); +#endif + +#ifdef CONFIG_SLP_CHECK_CPU_LOAD + cpu_load_touch_event(!!touch_is_pressed); +#endif + + +out: + return IRQ_HANDLED; +} + +int get_tsp_status(void) +{ + return touch_is_pressed; +} +EXPORT_SYMBOL(get_tsp_status); + + +#if ISC_DL_MODE +static int mms100_i2c_read(struct i2c_client *client, + u16 addr, u16 length, u8 *value) +{ + struct i2c_adapter *adapter = client->adapter; + struct i2c_msg msg; + int ret = -1; + + msg.addr = client->addr; + msg.flags = 0x00; + msg.len = 1; + msg.buf = (u8 *) &addr; + + ret = i2c_transfer(adapter, &msg, 1); + + if (ret >= 0) { + msg.addr = client->addr; + msg.flags = I2C_M_RD; + msg.len = length; + msg.buf = (u8 *) value; + + ret = i2c_transfer(adapter, &msg, 1); + } + + if (ret < 0) + pr_err("[TSP] : read error : [%d]", ret); + + return ret; +} + + +static enum eISCRet_t mms100_reset(struct mms_ts_info *info) +{ + info->pdata->power(false); + msleep(30); + info->pdata->power(true); + msleep(300); + + return ISC_SUCCESS; +} + +static enum eISCRet_t mms100_get_version_info(struct i2c_client *_client) +{ + int i, ret; + unsigned char rd_buf[8]; + + /* config version brust read (core, private, public) */ + ret = mms100_i2c_read(_client, ISC_ADDR_VERSION, 4, rd_buf); + + if (ret < 0) { + pr_info("[TSP ISC] %s,%d: i2c read fail[%d]\n", + __func__, __LINE__, ret); + return ISC_I2C_ERROR; + } + + for (i = 0; i < SECTION_NUM; i++) + ts_info[i].version = rd_buf[i]; + + ts_info[SEC_CORE].compatible_version = + ts_info[SEC_BOOTLOADER].version; + ts_info[SEC_PRIVATE_CONFIG].compatible_version = + ts_info[SEC_PUBLIC_CONFIG].compatible_version = + ts_info[SEC_CORE].version; + + ret = mms100_i2c_read(_client, ISC_ADDR_SECTION_PAGE_INFO, 8, rd_buf); + + if (ret < 0) { + pr_info("[TSP ISC] %s,%d: i2c read fail[%d]\n", + __func__, __LINE__, ret); + return ISC_I2C_ERROR; + } + + for (i = 0; i < SECTION_NUM; i++) { + ts_info[i].start_addr = rd_buf[i]; + ts_info[i].end_addr = rd_buf[i + SECTION_NUM]; + } + + for (i = 0; i < SECTION_NUM; i++) { + pr_info("TS : Section(%d) version: 0x%02X\n", + i, ts_info[i].version); + pr_info("TS : Section(%d) Start Address: 0x%02X\n", + i, ts_info[i].start_addr); + pr_info("TS : Section(%d) End Address: 0x%02X\n", + i, ts_info[i].end_addr); + pr_info("TS : Section(%d) Compatibility: 0x%02X\n", + i, ts_info[i].compatible_version); + } + + return ISC_SUCCESS; +} + +static enum eISCRet_t mms100_seek_section_info(void) +{ + int i; + char str_buf[STRING_BUF_LEN]; + char name_buf[SECTION_NAME_LEN]; + int version; + int page_num; + + const unsigned char *buf; + int next_ptr; + + for (i = 0; i < SECTION_NUM; i++) { + if (fw_mbin[i] == NULL) { + buf = NULL; + pr_info("[TSP ISC] fw_mbin[%d]->data is NULL", i); + } else { + buf = fw_mbin[i]->data; + } + + if (buf == NULL) { + mbin_info[i].version = ts_info[i].version; + mbin_info[i].compatible_version = + ts_info[i].compatible_version; + mbin_info[i].start_addr = ts_info[i].start_addr; + mbin_info[i].end_addr = ts_info[i].end_addr; + } else { + next_ptr = 0; + + do { + sscanf(buf + next_ptr, "%s", str_buf); + next_ptr += strlen(str_buf) + 1; + } while (!strstr(str_buf, "SECTION_NAME")); + + sscanf(buf + next_ptr, "%s%s", str_buf, name_buf); + + if (strncmp(section_name[i], name_buf, + SECTION_NAME_LEN)) + return ISC_FILE_FORMAT_ERROR; + + do { + sscanf(buf + next_ptr, "%s", str_buf); + next_ptr += strlen(str_buf) + 1; + } while (!strstr(str_buf, "SECTION_VERSION")); + + sscanf(buf + next_ptr, "%s%d", str_buf, &version); + mbin_info[i].version = ISC_CHAR_2_BCD(version); + + do { + sscanf(buf + next_ptr, "%s", str_buf); + next_ptr += strlen(str_buf) + 1; + } while (!strstr(str_buf, "START_PAGE_ADDR")); + + sscanf(buf + next_ptr, "%s%d", str_buf, &page_num); + mbin_info[i].start_addr = page_num; + + do { + sscanf(buf + next_ptr, "%s", str_buf); + next_ptr += strlen(str_buf) + 1; + } while (!strstr(str_buf, "END_PAGE_ADDR")); + + sscanf(buf + next_ptr, "%s%d", str_buf, &page_num); + mbin_info[i].end_addr = page_num; + + do { + sscanf(buf + next_ptr, "%s", str_buf); + next_ptr += strlen(str_buf) + 1; + } while (!strstr(str_buf, "COMPATIBLE_VERSION")); + + sscanf(buf + next_ptr, "%s%d", str_buf, &version); + mbin_info[i].compatible_version = + ISC_CHAR_2_BCD(version); + + do { + sscanf(buf + next_ptr, "%s", str_buf); + next_ptr += strlen(str_buf) + 1; + } while (!strstr(str_buf, "[Binary]")); + + if (mbin_info[i].version == 0xFF) + return ISC_FILE_FORMAT_ERROR; + } + } + + for (i = 0; i < SECTION_NUM; i++) { + pr_info("[TSP ISC] MBin : Section(%d) Version: 0x%02X\n", + i, mbin_info[i].version); + pr_info("[TSP ISC] MBin : Section(%d) Start Address: 0x%02X\n", + i, mbin_info[i].start_addr); + pr_info("[TSP ISC] MBin : Section(%d) End Address: 0x%02X\n", + i, mbin_info[i].end_addr); + pr_info("[TSP ISC] MBin : Section(%d) Compatibility: 0x%02X\n", + i, mbin_info[i].compatible_version); + } + + return ISC_SUCCESS; +} + +static enum eISCRet_t mms100_compare_version_info(struct i2c_client *_client) +{ + int i, ret; + unsigned char expected_compatibility[SECTION_NUM]; + + if (mms100_get_version_info(_client) != ISC_SUCCESS) + return ISC_I2C_ERROR; + + ret = mms100_seek_section_info(); + + /* Check update areas , 0 : bootloader 1: core 2: private 3: public */ + for (i = 0; i < SECTION_NUM; i++) { + if ((mbin_info[i].version == 0) || + (mbin_info[i].version != ts_info[i].version)) { + section_update_flag[i] = true; + pr_info("[TSP ISC] [%d] section will be updated!", i); + } + } + section_update_flag[0] = false; + pr_info("[TSP ISC] [%d] [%d] [%d]", section_update_flag[1], + section_update_flag[2], section_update_flag[3]); + + if (section_update_flag[SEC_BOOTLOADER]) { + expected_compatibility[SEC_CORE] = + mbin_info[SEC_BOOTLOADER].version; + } else { + expected_compatibility[SEC_CORE] = + ts_info[SEC_BOOTLOADER].version; + } + + if (section_update_flag[SEC_CORE]) { + expected_compatibility[SEC_PUBLIC_CONFIG] = + expected_compatibility[SEC_PRIVATE_CONFIG] = + mbin_info[SEC_CORE].version; + } else { + expected_compatibility[SEC_PUBLIC_CONFIG] = + expected_compatibility[SEC_PRIVATE_CONFIG] = + ts_info[SEC_CORE].version; + } + + for (i = SEC_CORE; i < SEC_PUBLIC_CONFIG; i++) { + if (section_update_flag[i]) { + pr_info("[TSP ISC] section_update_flag(%d), 0x%02x, 0x%02x\n", + i, expected_compatibility[i], + mbin_info[i].compatible_version); + + if (expected_compatibility[i] != + mbin_info[i].compatible_version) + return ISC_COMPATIVILITY_ERROR; + } else { + pr_info("[TSP ISC] !section_update_flag(%d), 0x%02x, 0x%02x\n", + i, expected_compatibility[i], + ts_info[i].compatible_version); + if (expected_compatibility[i] != + ts_info[i].compatible_version) + return ISC_COMPATIVILITY_ERROR; + } + } + return ISC_SUCCESS; +} + +static enum eISCRet_t mms100_enter_ISC_mode(struct i2c_client *_client) +{ + int ret; + unsigned char wr_buf[2]; + + pr_info("[TSP ISC] %s\n", __func__); + + wr_buf[0] = ISC_CMD_ENTER_ISC; + wr_buf[1] = ISC_CMD_ENTER_ISC_PARA1; + + ret = i2c_master_send(_client, wr_buf, 2); + + if (ret < 0) { + pr_info("[TSP ISC] %s,%d: i2c write fail[%d]\n", + __func__, __LINE__, ret); + return ISC_I2C_ERROR; + } + + msleep(50); + + return ISC_SUCCESS; +} + +static enum eISCRet_t mms100_enter_config_update(struct i2c_client *_client) +{ + int ret; + unsigned char wr_buf[10] = {0,}; + unsigned char rd_buf; + + wr_buf[0] = ISC_CMD_UPDATE_MODE; + wr_buf[1] = ISC_SUBCMD_ENTER_UPDATE; + + ret = i2c_master_send(_client, wr_buf, 10); + + if (ret < 0) { + pr_info("[TSP ISC] %s,%d: i2c write fail[%d]\n", + __func__, __LINE__, ret); + return ISC_I2C_ERROR; + } + + ret = mms100_i2c_read(_client, ISC_CMD_CONFIRM_STATUS, 1, &rd_buf); + if (ret < 0) { + pr_info("[TSP ISC] %s,%d: i2c read fail[%d]\n", + __func__, __LINE__, ret); + return ISC_I2C_ERROR; + } + + if (rd_buf != ISC_STATUS_UPDATE_MODE) + return ISC_UPDATE_MODE_ENTER_ERROR; + + pr_info("[TSP ISC]End mms100_enter_config_update()\n"); + + return ISC_SUCCESS; +} + +static enum eISCRet_t mms100_ISC_clear_page(struct i2c_client *_client, + unsigned char _page_addr) +{ + int ret; + unsigned char rd_buf; + + memset(&g_wr_buf[3], 0xFF, PAGE_DATA); + + g_wr_buf[0] = ISC_CMD_UPDATE_MODE; /* command */ + g_wr_buf[1] = ISC_SUBCMD_DATA_WRITE; /* sub_command */ + g_wr_buf[2] = _page_addr; + + g_wr_buf[PAGE_HEADER + PAGE_DATA] = crc0_buf[_page_addr]; + g_wr_buf[PAGE_HEADER + PAGE_DATA + 1] = crc1_buf[_page_addr]; + + ret = i2c_master_send(_client, g_wr_buf, PACKET_SIZE); + + if (ret < 0) { + pr_info("[TSP ISC] %s,%d: i2c write fail[%d]\n", + __func__, __LINE__, ret); + return ISC_I2C_ERROR; + } + + ret = mms100_i2c_read(_client, ISC_CMD_CONFIRM_STATUS, 1, &rd_buf); + + if (ret < 0) { + pr_info("[TSP ISC] %s,%d: i2c read fail[%d]\n", + __func__, __LINE__, ret); + return ISC_I2C_ERROR; + } + + if (rd_buf != ISC_STATUS_CRC_CHECK_SUCCESS) + return ISC_UPDATE_MODE_ENTER_ERROR; + + pr_info("[TSP ISC]End mms100_ISC_clear_page()\n"); + return ISC_SUCCESS; + +} + +static enum eISCRet_t +mms100_ISC_clear_validate_markers(struct i2c_client *_client) +{ + int ret_msg; + int i, j; + bool is_matched_address; + + for (i = SEC_CORE; i <= SEC_PUBLIC_CONFIG; i++) { + if (section_update_flag[i]) { + if (ts_info[i].end_addr <= 30 && + ts_info[i].end_addr > 0) { + ret_msg = mms100_ISC_clear_page(_client, + ts_info[i].end_addr); + + if (ret_msg != ISC_SUCCESS) + return ret_msg; + } + } + } + + for (i = SEC_CORE; i <= SEC_PUBLIC_CONFIG; i++) { + if (section_update_flag[i]) { + is_matched_address = false; + for (j = SEC_CORE; j <= SEC_PUBLIC_CONFIG; j++) { + if (mbin_info[i].end_addr == + ts_info[i].end_addr) { + is_matched_address = true; + break; + } + } + + if (!is_matched_address) { + if (mbin_info[i].end_addr <= 30 && + mbin_info[i].end_addr > 0) { + ret_msg = mms100_ISC_clear_page(_client, + mbin_info[i].end_addr); + + if (ret_msg != ISC_SUCCESS) + return ret_msg; + } + } + } + } + + return ISC_SUCCESS; +} + +static enum eISCRet_t mms100_update_section_data(struct i2c_client *_client) +{ + int i, ret, next_ptr; + unsigned char rd_buf; + const unsigned char *ptr_fw; + char str_buf[STRING_BUF_LEN]; + int page_addr; + + for (i = 0; i < SECTION_NUM; i++) { + if (section_update_flag[i]) { + pr_info("[TSP ISC] section data i2c flash : [%d]", i); + + next_ptr = 0; + ptr_fw = fw_mbin[i]->data; + + do { + sscanf(ptr_fw + next_ptr, "%s", str_buf); + next_ptr += strlen(str_buf) + 1; + } while (!strstr(str_buf, "[Binary]")); + ptr_fw = ptr_fw + next_ptr + 2; + + for (page_addr = mbin_info[i].start_addr; + page_addr <= mbin_info[i].end_addr; + page_addr++) { + if (page_addr - mbin_info[i].start_addr > 0) + ptr_fw += PACKET_SIZE; + + if ((ptr_fw[0] != ISC_CMD_UPDATE_MODE) || + (ptr_fw[1] != ISC_SUBCMD_DATA_WRITE) || + (ptr_fw[2] != page_addr)) + return ISC_WRITE_BUFFER_ERROR; + + ret = i2c_master_send(_client, + ptr_fw, PACKET_SIZE); + if (ret < 0) { + pr_info("[TSP ISC] %s,%d: i2c write fail[%d]\n", + __func__, __LINE__, ret); + return ISC_I2C_ERROR; + } + + ret = mms100_i2c_read(_client, + ISC_CMD_CONFIRM_STATUS, 1, &rd_buf); + if (ret < 0) { + pr_info("[TSP ISC] %s,%d: i2c read fail[%d]\n", + __func__, __LINE__, ret); + return ISC_I2C_ERROR; + } + + if (rd_buf != ISC_STATUS_CRC_CHECK_SUCCESS) + return ISC_CRC_ERROR; + + section_update_flag[i] = false; + } + } + } + + pr_info("[TSP ISC]End mms100_update_section_data()\n"); + return ISC_SUCCESS; +} + +static enum eISCRet_t mms100_open_mbinary(struct i2c_client *_client) +{ + int ret = 0; + + ret += request_firmware(&(fw_mbin[1]),\ + "tsp_melfas/CORE.fw", &_client->dev); + ret += request_firmware(&(fw_mbin[2]),\ + "tsp_melfas/PRIV.fw", &_client->dev); + ret += request_firmware(&(fw_mbin[3]),\ + "tsp_melfas/PUBL.fw", &_client->dev); + + if (!ret) + return ISC_SUCCESS; + else { + pr_info("[TSP ISC] request_firmware fail"); + return ret; + } +} + +static enum eISCRet_t mms100_close_mbinary(void) +{ + int i; + + for (i = 0; i < SECTION_NUM; i++) { + if (fw_mbin[i] != NULL) + release_firmware(fw_mbin[i]); + } + return ISC_SUCCESS; +} + +static enum eISCRet_t mms100_ISC_download_mbinary(struct mms_ts_info *info) +{ + struct i2c_client *_client = info->client; + enum eISCRet_t ret_msg = ISC_NONE; + + pr_info("[TSP ISC] %s\n", __func__); + + mms100_reset(info); + + ret_msg = mms100_open_mbinary(_client); + if (ret_msg != ISC_SUCCESS) + goto ISC_ERROR_HANDLE; + + /*Config version Check*/ + ret_msg = mms100_compare_version_info(_client); + if (ret_msg != ISC_SUCCESS) + goto ISC_ERROR_HANDLE; + + ret_msg = mms100_enter_ISC_mode(_client); + if (ret_msg != ISC_SUCCESS) + goto ISC_ERROR_HANDLE; + + ret_msg = mms100_enter_config_update(_client); + if (ret_msg != ISC_SUCCESS) + goto ISC_ERROR_HANDLE; + + ret_msg = mms100_ISC_clear_validate_markers(_client); + if (ret_msg != ISC_SUCCESS) + goto ISC_ERROR_HANDLE; + + pr_info("[TSP ISC]mms100_update_section_data start"); + + ret_msg = mms100_update_section_data(_client); + if (ret_msg != ISC_SUCCESS) + goto ISC_ERROR_HANDLE; + + pr_info("[TSP ISC]mms100_update_section_data end"); + + pr_info("[TSP ISC]FIRMWARE_UPDATE_FINISHED!!!\n"); + + ret_msg = ISC_SUCCESS; + +ISC_ERROR_HANDLE: + if (ret_msg != ISC_SUCCESS) + pr_info("[TSP ISC]ISC_ERROR_CODE: %d\n", ret_msg); + + mms100_reset(info); + mms100_close_mbinary(); + + return ret_msg; +} +#endif /* ISC_DL_MODE start */ + +static void hw_reboot(struct mms_ts_info *info, bool bootloader) +{ + info->pdata->power(0); + gpio_direction_output(info->pdata->gpio_sda, bootloader ? 0 : 1); + gpio_direction_output(info->pdata->gpio_scl, bootloader ? 0 : 1); + gpio_direction_output(info->pdata->gpio_int, 0); + msleep(30); + info->pdata->power(1); + msleep(30); + + if (bootloader) { + gpio_set_value(info->pdata->gpio_scl, 0); + gpio_set_value(info->pdata->gpio_sda, 1); + } else { + gpio_set_value(info->pdata->gpio_int, 1); + gpio_direction_input(info->pdata->gpio_int); + gpio_direction_input(info->pdata->gpio_scl); + gpio_direction_input(info->pdata->gpio_sda); + } + msleep(40); +} + +static inline void hw_reboot_bootloader(struct mms_ts_info *info) +{ + hw_reboot(info, true); +} + +static inline void hw_reboot_normal(struct mms_ts_info *info) +{ + hw_reboot(info, false); +} + +static void isp_toggle_clk(struct mms_ts_info *info, int start_lvl, int end_lvl, + int hold_us) +{ + gpio_set_value(info->pdata->gpio_scl, start_lvl); + udelay(hold_us); + gpio_set_value(info->pdata->gpio_scl, end_lvl); + udelay(hold_us); +} + +/* 1 <= cnt <= 32 bits to write */ +static void isp_send_bits(struct mms_ts_info *info, u32 data, int cnt) +{ + gpio_direction_output(info->pdata->gpio_int, 0); + gpio_direction_output(info->pdata->gpio_scl, 0); + gpio_direction_output(info->pdata->gpio_sda, 0); + + /* clock out the bits, msb first */ + while (cnt--) { + gpio_set_value(info->pdata->gpio_sda, (data >> cnt) & 1); + udelay(3); + isp_toggle_clk(info, 1, 0, 3); + } +} + +/* 1 <= cnt <= 32 bits to read */ +static u32 isp_recv_bits(struct mms_ts_info *info, int cnt) +{ + u32 data = 0; + + gpio_direction_output(info->pdata->gpio_int, 0); + gpio_direction_output(info->pdata->gpio_scl, 0); + gpio_set_value(info->pdata->gpio_sda, 0); + gpio_direction_input(info->pdata->gpio_sda); + + /* clock in the bits, msb first */ + while (cnt--) { + isp_toggle_clk(info, 0, 1, 1); + data = (data << 1) | (!!gpio_get_value(info->pdata->gpio_sda)); + } + + gpio_direction_output(info->pdata->gpio_sda, 0); + return data; +} + +static void isp_enter_mode(struct mms_ts_info *info, u32 mode) +{ + int cnt; + unsigned long flags; + + local_irq_save(flags); + gpio_direction_output(info->pdata->gpio_int, 0); + gpio_direction_output(info->pdata->gpio_scl, 0); + gpio_direction_output(info->pdata->gpio_sda, 1); + + mode &= 0xffff; + for (cnt = 15; cnt >= 0; cnt--) { + gpio_set_value(info->pdata->gpio_int, (mode >> cnt) & 1); + udelay(3); + isp_toggle_clk(info, 1, 0, 3); + } + + gpio_set_value(info->pdata->gpio_int, 0); + local_irq_restore(flags); +} + +static void isp_exit_mode(struct mms_ts_info *info) +{ + int i; + unsigned long flags; + + local_irq_save(flags); + gpio_direction_output(info->pdata->gpio_int, 0); + udelay(3); + + for (i = 0; i < 10; i++) + isp_toggle_clk(info, 1, 0, 3); + local_irq_restore(flags); +} + +static void flash_set_address(struct mms_ts_info *info, u16 addr) +{ + /* Only 13 bits of addr are valid. + * The addr is in bits 13:1 of cmd */ + isp_send_bits(info, (u32) (addr & 0x1fff) << 1, 18); +} + +static void flash_erase(struct mms_ts_info *info) +{ + isp_enter_mode(info, ISP_MODE_FLASH_ERASE); + + gpio_direction_output(info->pdata->gpio_int, 0); + gpio_direction_output(info->pdata->gpio_scl, 0); + gpio_direction_output(info->pdata->gpio_sda, 1); + + /* 4 clock cycles with different timings for the erase to + * get processed, clk is already 0 from above */ + udelay(7); + isp_toggle_clk(info, 1, 0, 3); + udelay(7); + isp_toggle_clk(info, 1, 0, 3); + usleep_range(25000, 35000); + isp_toggle_clk(info, 1, 0, 3); + usleep_range(150, 200); + isp_toggle_clk(info, 1, 0, 3); + + gpio_set_value(info->pdata->gpio_sda, 0); + + isp_exit_mode(info); +} + +static u32 flash_readl(struct mms_ts_info *info, u16 addr) +{ + int i; + u32 val; + unsigned long flags; + + local_irq_save(flags); + isp_enter_mode(info, ISP_MODE_FLASH_READ); + flash_set_address(info, addr); + + gpio_direction_output(info->pdata->gpio_scl, 0); + gpio_direction_output(info->pdata->gpio_sda, 0); + udelay(40); + + /* data load cycle */ + for (i = 0; i < 6; i++) + isp_toggle_clk(info, 1, 0, 10); + + val = isp_recv_bits(info, 32); + isp_exit_mode(info); + local_irq_restore(flags); + + return val; +} + +static void flash_writel(struct mms_ts_info *info, u16 addr, u32 val) +{ + unsigned long flags; + + local_irq_save(flags); + isp_enter_mode(info, ISP_MODE_FLASH_WRITE); + flash_set_address(info, addr); + isp_send_bits(info, val, 32); + + gpio_direction_output(info->pdata->gpio_sda, 1); + /* 6 clock cycles with different timings for the data to get written + * into flash */ + isp_toggle_clk(info, 0, 1, 3); + isp_toggle_clk(info, 0, 1, 3); + isp_toggle_clk(info, 0, 1, 6); + isp_toggle_clk(info, 0, 1, 12); + isp_toggle_clk(info, 0, 1, 3); + isp_toggle_clk(info, 0, 1, 3); + + isp_toggle_clk(info, 1, 0, 1); + + gpio_direction_output(info->pdata->gpio_sda, 0); + isp_exit_mode(info); + local_irq_restore(flags); + usleep_range(300, 400); +} + +static bool flash_is_erased(struct mms_ts_info *info) +{ + struct i2c_client *client = info->client; + u32 val; + u16 addr; + + for (addr = 0; addr < (ISP_MAX_FW_SIZE / 4); addr++) { + udelay(40); + val = flash_readl(info, addr); + + if (val != 0xffffffff) { + dev_dbg(&client->dev, + "addr 0x%x not erased: 0x%08x != 0xffffffff\n", + addr, val); + return false; + } + } + return true; +} + +static int fw_write_image(struct mms_ts_info *info, const u8 * data, size_t len) +{ + struct i2c_client *client = info->client; + u16 addr = 0; + + for (addr = 0; addr < (len / 4); addr++, data += 4) { + u32 val = get_unaligned_le32(data); + u32 verify_val; + int retries = 3; + + while (retries--) { + flash_writel(info, addr, val); + verify_val = flash_readl(info, addr); + if (val == verify_val) + break; + dev_err(&client->dev, + "mismatch @ addr 0x%x: 0x%x != 0x%x\n", + addr, verify_val, val); + continue; + } + if (retries < 0) + return -ENXIO; + } + + return 0; +} + +static int fw_download(struct mms_ts_info *info, const u8 * data, size_t len) +{ + struct i2c_client *client = info->client; + u32 val; + int ret = 0; + + if (len % 4) { + dev_err(&client->dev, + "fw image size (%d) must be a multiple of 4 bytes\n", + len); + return -EINVAL; + } else if (len > ISP_MAX_FW_SIZE) { + dev_err(&client->dev, + "fw image is too big, %d > %d\n", len, ISP_MAX_FW_SIZE); + return -EINVAL; + } + + dev_info(&client->dev, "fw download start\n"); + + info->pdata->power(0); + gpio_direction_output(info->pdata->gpio_sda, 0); + gpio_direction_output(info->pdata->gpio_scl, 0); + gpio_direction_output(info->pdata->gpio_int, 0); + + hw_reboot_bootloader(info); + + val = flash_readl(info, ISP_IC_INFO_ADDR); + dev_info(&client->dev, "IC info: 0x%02x (%x)\n", val & 0xff, val); + + dev_info(&client->dev, "fw erase...\n"); + flash_erase(info); + if (!flash_is_erased(info)) { + ret = -ENXIO; + goto err; + } + + dev_info(&client->dev, "fw write...\n"); + /* XXX: what does this do?! */ + flash_writel(info, ISP_IC_INFO_ADDR, 0xffffff00 | (val & 0xff)); + usleep_range(1000, 1500); + ret = fw_write_image(info, data, len); + if (ret) + goto err; + usleep_range(1000, 1500); + + hw_reboot_normal(info); + usleep_range(1000, 1500); + dev_info(&client->dev, "fw download done...\n"); + return 0; + +err: + dev_err(&client->dev, "fw download failed...\n"); + hw_reboot_normal(info); + return ret; +} + +#if defined(SEC_TSP_ISC_FW_UPDATE) +static u16 gen_crc(u8 data, u16 pre_crc) +{ + u16 crc; + u16 cur; + u16 temp; + u16 bit_1; + u16 bit_2; + int i; + + crc = pre_crc; + for (i = 7; i >= 0; i--) { + cur = ((data >> i) & 0x01) ^ (crc & 0x0001); + bit_1 = cur ^ (crc >> 11 & 0x01); + bit_2 = cur ^ (crc >> 4 & 0x01); + temp = (cur << 4) | (crc >> 12 & 0x0F); + temp = (temp << 7) | (bit_1 << 6) | (crc >> 5 & 0x3F); + temp = (temp << 4) | (bit_2 << 3) | (crc >> 1 & 0x0007); + crc = temp; + } + return crc; +} + +static int isc_fw_download(struct mms_ts_info *info, const u8 * data, + size_t len) +{ + u8 *buff; + u16 crc_buf; + int src_idx; + int dest_idx; + int ret; + int i, j; + + buff = kzalloc(ISC_PKT_SIZE, GFP_KERNEL); + if (!buff) { + dev_err(&info->client->dev, "%s: failed to allocate memory\n", + __func__); + ret = -1; + goto err_mem_alloc; + } + + /* enterring ISC mode */ + *buff = ISC_ENTER_ISC_DATA; + ret = i2c_smbus_write_byte_data(info->client, + ISC_ENTER_ISC_CMD, *buff); + if (ret < 0) { + dev_err(&info->client->dev, + "fail to enter ISC mode(err=%d)\n", ret); + goto fail_to_isc_enter; + } + usleep_range(10000, 20000); + dev_info(&info->client->dev, "Enter ISC mode\n"); + + /*enter ISC update mode */ + *buff = ISC_ENTER_UPDATE_DATA; + ret = i2c_smbus_write_i2c_block_data(info->client, + ISC_CMD, + ISC_ENTER_UPDATE_DATA_LEN, buff); + if (ret < 0) { + dev_err(&info->client->dev, + "fail to enter ISC update mode(err=%d)\n", ret); + goto fail_to_isc_update; + } + dev_info(&info->client->dev, "Enter ISC update mode\n"); + + /* firmware write */ + *buff = ISC_CMD; + *(buff + 1) = ISC_DATA_WRITE_SUB_CMD; + for (i = 0; i < ISC_PKT_NUM; i++) { + *(buff + 2) = i; + crc_buf = gen_crc(*(buff + 2), ISC_DEFAULT_CRC); + + for (j = 0; j < ISC_PKT_DATA_SIZE; j++) { + dest_idx = ISC_PKT_HEADER_SIZE + j; + src_idx = i * ISC_PKT_DATA_SIZE + + ((int)(j / WORD_SIZE)) * WORD_SIZE - + (j % WORD_SIZE) + 3; + *(buff + dest_idx) = *(data + src_idx); + crc_buf = gen_crc(*(buff + dest_idx), crc_buf); + } + + *(buff + ISC_PKT_DATA_SIZE + ISC_PKT_HEADER_SIZE + 1) = + crc_buf & 0xFF; + *(buff + ISC_PKT_DATA_SIZE + ISC_PKT_HEADER_SIZE) = + crc_buf >> 8 & 0xFF; + + ret = i2c_master_send(info->client, buff, ISC_PKT_SIZE); + if (ret < 0) { + dev_err(&info->client->dev, + "fail to firmware writing on packet %d.(%d)\n", + i, ret); + goto fail_to_fw_write; + } + usleep_range(1, 5); + + /* confirm CRC */ + ret = i2c_smbus_read_byte_data(info->client, + ISC_CHECK_STATUS_CMD); + if (ret == ISC_CONFIRM_CRC) { + dev_info(&info->client->dev, + "updating %dth firmware data packet.\n", i); + } else { + dev_err(&info->client->dev, + "fail to firmware update on %dth (%X).\n", + i, ret); + ret = -1; + goto fail_to_confirm_crc; + } + } + + ret = 0; + +fail_to_confirm_crc: +fail_to_fw_write: + /* exit ISC mode */ + *buff = ISC_EXIT_ISC_SUB_CMD; + *(buff + 1) = ISC_EXIT_ISC_SUB_CMD2; + i2c_smbus_write_i2c_block_data(info->client, ISC_CMD, 2, buff); + usleep_range(10000, 20000); +fail_to_isc_update: + hw_reboot_normal(info); +fail_to_isc_enter: + kfree(buff); +err_mem_alloc: + return ret; +} +#endif /* SEC_TSP_ISC_FW_UPDATE */ + +static int get_fw_version(struct mms_ts_info *info) +{ + int ret; + int retries = 3; + + /* this seems to fail sometimes after a reset.. retry a few times */ + do { + ret = i2c_smbus_read_byte_data(info->client, MMS_FW_VERSION); + } while (ret < 0 && retries-- > 0); + + return ret; +} + +static int get_hw_version(struct mms_ts_info *info) +{ + int ret; + int retries = 3; + + /* this seems to fail sometimes after a reset.. retry a few times */ + do { + ret = i2c_smbus_read_byte_data(info->client, MMS_HW_REVISION); + } while (ret < 0 && retries-- > 0); + + return ret; +} + +static int mms_ts_finish_config(struct mms_ts_info *info) +{ + struct i2c_client *client = info->client; + int ret; + + #if defined(CONFIG_TARGET_LOCALE_KOR) + ret = request_threaded_irq(client->irq, NULL, mms_ts_interrupt, + IRQF_TRIGGER_FALLING | IRQF_ONESHOT, + MELFAS_TS_NAME, info); + #else + ret = request_threaded_irq(client->irq, NULL, mms_ts_interrupt, + IRQF_TRIGGER_LOW | IRQF_ONESHOT, + MELFAS_TS_NAME, info); + #endif + + + if (ret < 0) { + ret = 1; + dev_err(&client->dev, "Failed to register interrupt\n"); + goto err_req_irq; + } + + info->irq = client->irq; + barrier(); + + dev_info(&client->dev, + "Melfas MMS-series touch controller initialized\n"); + + return 0; + +err_req_irq: + return ret; +} + +static void mms_ts_set_protocol(struct mms_ts_info *info) +{ + struct i2c_client *client = info->client; + + switch (info->fw_ic_ver) { + case FW_VERSION_5_5: + info->finger_event_sz = TSP_6_BYTE_PROTOCOL; + break; + default: + info->finger_event_sz = TSP_8_BYTE_PROTOCOL; + break; + } + dev_info(&client->dev, + "[TSP] protocol %d byte !\n", info->finger_event_sz); +} + +static int mms_ts_fw_info(struct mms_ts_info *info) +{ + struct i2c_client *client = info->client; + int ret = 0; + int ver, hw_rev; + + ver = get_fw_version(info); + info->fw_ic_ver = ver; + dev_info(&client->dev, + "[TSP]fw version 0x%02x !!!!\n", ver); + + hw_rev = get_hw_version(info); + info->ic_hw_ver = hw_rev; + dev_info(&client->dev, + "[TSP] hw rev = 0x%x\n", hw_rev); + + if (ver < 0 || hw_rev < 0) { + ret = 1; + dev_err(&client->dev, + "i2c fail...tsp driver unload.\n"); + return ret; + } + + if (!info->pdata || !info->pdata->mux_fw_flash) { + ret = 1; + dev_err(&client->dev, + "fw cannot be updated, missing platform data\n"); + return ret; + } + + ret = mms_ts_finish_config(info); + + return ret; +} + +static int mms_ts_fw_load(struct mms_ts_info *info) +{ + + struct i2c_client *client = info->client; + int ret = 0; + int ver, hw_rev; + int retries = 3; + + ver = get_fw_version(info); + info->fw_ic_ver = ver; + dev_info(&client->dev, + "[TSP]fw version 0x%02x !!!!\n", ver); + + hw_rev = get_hw_version(info); + info->ic_hw_ver = hw_rev; + dev_info(&client->dev, + "[TSP]hw rev = 0x%02x\n", hw_rev); + + pr_err("[TSP] ISC Ver [0x%02x] [0x%02x] [0x%02x]", + i2c_smbus_read_byte_data(info->client, 0xF3), + i2c_smbus_read_byte_data(info->client, 0xF4), + i2c_smbus_read_byte_data(info->client, 0xF5)); + + if (!info->pdata || !info->pdata->mux_fw_flash) { + ret = 1; + dev_err(&client->dev, + "fw cannot be updated, missing platform data\n"); + goto out; + } + + /* 4.8" OCTA LCD FW */ + if (ver >= FW_VERSION_4_8 && ver != 0xFF\ + && ver != 0x00 && ver != 0x45) { + dev_info(&client->dev, + "4.8 fw version update does not need\n"); + goto done; + } + + while (retries--) { + ret = mms100_ISC_download_mbinary(info); + + ver = get_fw_version(info); + info->fw_ic_ver = ver; + + if (ret == 0) { + pr_err("[TSP] mms100_ISC_download_mbinary success"); + goto done; + } else { + pr_err("[TSP] mms100_ISC_download_mbinary fail [%d]", + ret); + ret = 1; + } + + dev_err(&client->dev, "retrying flashing\n"); + } + +out: + return ret; + +done: + +#if ISC_DL_MODE /* ISC_DL_MODE start */ + pr_err("[TSP] ISC Ver [0x%02x] [0x%02x] [0x%02x]", + i2c_smbus_read_byte_data(info->client, 0xF3), + i2c_smbus_read_byte_data(info->client, 0xF4), + i2c_smbus_read_byte_data(info->client, 0xF5)); +#endif + + ret = mms_ts_finish_config(info); + return ret; +} + + +#ifdef SEC_TSP_FACTORY_TEST +static void set_cmd_result(struct mms_ts_info *info, char *buff, int len) +{ + strncat(info->cmd_result, buff, len); +} + +static void get_raw_data_all(struct mms_ts_info *info, u8 cmd) +{ + u8 w_buf[6]; + u8 read_buffer[2]; /* 52 */ + int gpio; + int ret; + int i, j; + u32 max_value = 0, min_value = 0; + u32 raw_data; + char buff[TSP_CMD_STR_LEN] = {0}; + gpio = info->pdata->gpio_int; + +/* gpio = msm_irq_to_gpio(info->irq); */ + disable_irq(info->irq); + + w_buf[0] = MMS_VSC_CMD; /* vendor specific command id */ + w_buf[1] = MMS_VSC_MODE; /* mode of vendor */ + w_buf[2] = 0; /* tx line */ + w_buf[3] = 0; /* rx line */ + w_buf[4] = 0; /* reserved */ + w_buf[5] = 0; /* sub command */ + + if (cmd == MMS_VSC_CMD_EXIT) { + w_buf[5] = MMS_VSC_CMD_EXIT; /* exit test mode */ + + ret = i2c_smbus_write_i2c_block_data(info->client, + w_buf[0], 5, &w_buf[1]); + if (ret < 0) + goto err_i2c; + enable_irq(info->irq); + msleep(200); + return; + } + + /* MMS_VSC_CMD_CM_DELTA or MMS_VSC_CMD_CM_ABS + * this two mode need to enter the test mode + * exit command must be followed by testing. + */ + if (cmd == MMS_VSC_CMD_CM_DELTA || cmd == MMS_VSC_CMD_CM_ABS) { + /* enter the debug mode */ + w_buf[2] = 0x0; /* tx */ + w_buf[3] = 0x0; /* rx */ + w_buf[5] = MMS_VSC_CMD_ENTER; + + ret = i2c_smbus_write_i2c_block_data(info->client, + w_buf[0], 5, &w_buf[1]); + if (ret < 0) + goto err_i2c; + + /* wating for the interrupt */ + while (gpio_get_value(gpio)) + udelay(100); + } + + for (i = 0; i < RX_NUM; i++) { + for (j = 0; j < TX_NUM; j++) { + + w_buf[2] = j; /* tx */ + w_buf[3] = i; /* rx */ + w_buf[5] = cmd; + + ret = i2c_smbus_write_i2c_block_data(info->client, + w_buf[0], 5, &w_buf[1]); + if (ret < 0) + goto err_i2c; + + usleep_range(1, 5); + + ret = i2c_smbus_read_i2c_block_data(info->client, 0xBF, + 2, read_buffer); + if (ret < 0) + goto err_i2c; + + raw_data = ((u16) read_buffer[1] << 8) | read_buffer[0]; + if (i == 0 && j == 0) { + max_value = min_value = raw_data; + } else { + max_value = max(max_value, raw_data); + min_value = min(min_value, raw_data); + } + + if (cmd == MMS_VSC_CMD_INTENSITY) { + info->intensity[j * RX_NUM + i] = raw_data; + dev_dbg(&info->client->dev, "[TSP] intensity[%d][%d] = %d\n", + i, j, info->intensity[j * RX_NUM + i]); + } else if (cmd == MMS_VSC_CMD_CM_DELTA) { + info->inspection[j * RX_NUM + i] = raw_data; + dev_dbg(&info->client->dev, "[TSP] delta[%d][%d] = %d\n", + i, j, info->inspection[j * RX_NUM + i]); + } else if (cmd == MMS_VSC_CMD_CM_ABS) { + info->raw[j * RX_NUM + i] = raw_data; + dev_dbg(&info->client->dev, "[TSP] raw[%d][%d] = %d\n", + i, j, info->raw[j * RX_NUM + i]); + } else if (cmd == MMS_VSC_CMD_REFER) { + info->reference[j * RX_NUM + i] = + raw_data >> 3; + dev_dbg(&info->client->dev, "[TSP] reference[%d][%d] = %d\n", + i, j, info->reference[j * RX_NUM + i]); + } + } + + } + + snprintf(buff, sizeof(buff), "%d,%d", min_value, max_value); + set_cmd_result(info, buff, strnlen(buff, sizeof(buff))); + + enable_irq(info->irq); + +err_i2c: + dev_err(&info->client->dev, "%s: fail to i2c (cmd=%d)\n", + __func__, cmd); +} + +#ifdef ESD_DEBUG +static u32 get_raw_data_one(struct mms_ts_info *info, u16 rx_idx, u16 tx_idx, + u8 cmd) +{ + u8 w_buf[6]; + u8 read_buffer[2]; + int ret; + u32 raw_data; + + w_buf[0] = MMS_VSC_CMD; /* vendor specific command id */ + w_buf[1] = MMS_VSC_MODE; /* mode of vendor */ + w_buf[2] = 0; /* tx line */ + w_buf[3] = 0; /* rx line */ + w_buf[4] = 0; /* reserved */ + w_buf[5] = 0; /* sub command */ + + if (cmd != MMS_VSC_CMD_INTENSITY && cmd != MMS_VSC_CMD_RAW && + cmd != MMS_VSC_CMD_REFER) { + dev_err(&info->client->dev, "%s: not profer command(cmd=%d)\n", + __func__, cmd); + return FAIL; + } + + w_buf[2] = tx_idx; /* tx */ + w_buf[3] = rx_idx; /* rx */ + w_buf[5] = cmd; /* sub command */ + + ret = i2c_smbus_write_i2c_block_data(info->client, w_buf[0], 5, + &w_buf[1]); + if (ret < 0) + goto err_i2c; + + ret = i2c_smbus_read_i2c_block_data(info->client, 0xBF, 2, read_buffer); + if (ret < 0) + goto err_i2c; + + raw_data = ((u16) read_buffer[1] << 8) | read_buffer[0]; + if (cmd == MMS_VSC_CMD_REFER) + raw_data = raw_data >> 4; + + return raw_data; + +err_i2c: + dev_err(&info->client->dev, "%s: fail to i2c (cmd=%d)\n", + __func__, cmd); + return FAIL; +} +#endif + +static ssize_t show_close_tsp_test(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct mms_ts_info *info = dev_get_drvdata(dev); + + get_raw_data_all(info, MMS_VSC_CMD_EXIT); + info->ft_flag = 0; + + return snprintf(buf, TSP_BUF_SIZE, "%u\n", 0); +} + +static void set_default_result(struct mms_ts_info *info) +{ + char delim = ':'; + + memset(info->cmd_result, 0x00, ARRAY_SIZE(info->cmd_result)); + memcpy(info->cmd_result, info->cmd, strlen(info->cmd)); + strncat(info->cmd_result, &delim, 1); +} + +static int check_rx_tx_num(void *device_data) +{ + struct mms_ts_info *info = (struct mms_ts_info *)device_data; + + char buff[TSP_CMD_STR_LEN] = {0}; + int node; + + if (info->cmd_param[0] < 0 || + info->cmd_param[0] >= TX_NUM || + info->cmd_param[1] < 0 || + info->cmd_param[1] >= RX_NUM) { + snprintf(buff, sizeof(buff) , "%s", "NG"); + set_cmd_result(info, buff, strnlen(buff, sizeof(buff))); + info->cmd_state = 3; + + dev_info(&info->client->dev, "%s: parameter error: %u,%u\n", + __func__, info->cmd_param[0], + info->cmd_param[1]); + node = -1; + return node; +} + node = info->cmd_param[1] * RX_NUM + info->cmd_param[0]; + dev_info(&info->client->dev, "%s: node = %d\n", __func__, + node); + return node; + +} + +static void not_support_cmd(void *device_data) +{ + struct mms_ts_info *info = (struct mms_ts_info *)device_data; + char buff[16] = {0}; + + set_default_result(info); + sprintf(buff, "%s", "NA"); + set_cmd_result(info, buff, strnlen(buff, sizeof(buff))); + info->cmd_state = 4; + dev_info(&info->client->dev, "%s: \"%s(%d)\"\n", __func__, + buff, strnlen(buff, sizeof(buff))); + return; +} + +static void fw_update(void *device_data) +{ + struct mms_ts_info *info = (struct mms_ts_info *)device_data; + struct i2c_client *client = info->client; + struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent); + int ret = 0; + int ver = 0, hw_rev = 0, fw_bin_ver = 0; + int retries = 5; + const u8 *buff = 0; + mm_segment_t old_fs = {0}; + struct file *fp = NULL; + long fsize = 0, nread = 0; + const struct firmware *tsp_fw = NULL; + char fw_path[MAX_FW_PATH+1]; + char result[16] = {0}; + + set_default_result(info); + + hw_rev = get_hw_version(info); + if (hw_rev == TSP_REV_4_80) + fw_bin_ver = FW_VERSION_4_8; + else if (hw_rev == TSP_REV_4_65) + fw_bin_ver = FW_VERSION_4_65; + else if (hw_rev == TSP_REV_4_77_NEW) + fw_bin_ver = FW_VERSION_4_77_NEW; + else if ((hw_rev == TSP_REV_4_77) || (hw_rev == SAMPLE_4_77)) + fw_bin_ver = FW_VERSION_4_77; + + dev_info(&client->dev, + "fw_ic_ver = 0x%02x, fw_bin_ver = 0x%02x\n", + info->fw_ic_ver, fw_bin_ver); + + if (info->cmd_param[0] == 0 + && info->fw_ic_ver >= fw_bin_ver) { + dev_info(&client->dev, + "fw version update does not need\n"); + info->cmd_state = 2; + goto do_not_need_update; + } + + switch (info->cmd_param[0]) { + case BUILT_IN: + if (hw_rev == TSP_REV_4_80) { + dev_info(&client->dev, "built in 4.8 fw is loaded!!\n"); + + while (retries--) { + ret = mms100_ISC_download_mbinary(info); + ver = get_fw_version(info); + info->fw_ic_ver = ver; + if (ret == 0) { + pr_err("[TSP] mms100_ISC_download_mbinary success"); + info->cmd_state = 2; + return; + } else { + pr_err("[TSP] mms100_ISC_download_mbinary fail[%d]", + ret); + info->cmd_state = 3; + } + } + return; + } else if (hw_rev == TSP_REV_4_65) { + buff = MELFAS_binary_4_65; + fsize = MELFAS_binary_nLength_4_65; + dev_info(&client->dev, "built in 4.65 fw is loaded!!\n"); + } else if (hw_rev == TSP_REV_4_77_NEW) { + buff = MELFAS_binary_4_77_NEW; + fsize = MELFAS_binary_nLength_4_77_NEW; + dev_info(&client->dev, "built in 4.77 new fw is loaded!!\n"); + } else if ((hw_rev == TSP_REV_4_77) || + (hw_rev == SAMPLE_4_77)) { + buff = MELFAS_binary_4_77; + fsize = MELFAS_binary_nLength_4_77; + dev_info(&client->dev, "built in 4.77 fw is loaded!!\n"); + } + break; + + case UMS: + old_fs = get_fs(); + set_fs(get_ds()); + + snprintf(fw_path, MAX_FW_PATH, "/sdcard/%s", TSP_FW_FILENAME); + fp = filp_open(fw_path, O_RDONLY, 0); + if (IS_ERR(fp)) { + dev_err(&client->dev, + "file %s open error:%d\n", fw_path, (s32)fp); + info->cmd_state = 3; + goto err_open; + } + + fsize = fp->f_path.dentry->d_inode->i_size; + + buff = kzalloc((size_t)fsize, GFP_KERNEL); + if (!buff) { + dev_err(&client->dev, "fail to alloc buffer for fw\n"); + info->cmd_state = 3; + goto err_alloc; + } + + nread = vfs_read(fp, (char __user *)buff, fsize, &fp->f_pos); + if (nread != fsize) { + /*dev_err("fail to read file %s (nread = %d)\n", + fw_path, nread);*/ + info->cmd_state = 3; + goto err_fw_size; + } + + filp_close(fp, current->files); + set_fs(old_fs); + dev_info(&client->dev, "ums fw is loaded!!\n"); + break; + + case REQ_FW: + dev_info(&client->dev, "Entered REQ_FW case\n"); + ret = request_firmware(&tsp_fw, TSP_FW_FILENAME, + &(client->dev)); + if (ret) { + dev_err(&client->dev, "request firmware error!!\n"); + goto not_support; + } + + fsize = tsp_fw->size; + buff = kzalloc((size_t)fsize, GFP_KERNEL); + if (!buff) { + dev_err(&client->dev, "fail to alloc buffer for fw\n"); + info->cmd_state = 3; + release_firmware(tsp_fw); + goto not_support; + } + + memcpy((void *)buff, tsp_fw->data, fsize); + release_firmware(tsp_fw); + break; + + default: + dev_err(&client->dev, "invalid fw file type!!\n"); + goto not_support; + } + + disable_irq(info->irq); + while (retries--) { + i2c_lock_adapter(adapter); + info->pdata->mux_fw_flash(true); + + ret = fw_download(info, (const u8 *)buff, + (const size_t)fsize); + + info->pdata->mux_fw_flash(false); + i2c_unlock_adapter(adapter); + + if (ret < 0) { + dev_err(&client->dev, "retrying flashing\n"); + continue; + } + + ver = get_fw_version(info); + info->fw_ic_ver = ver; + + if (info->cmd_param[0] == 1 || info->cmd_param[0] == 2) { + dev_info(&client->dev, + "fw update done. ver = 0x%02x\n", ver); + info->cmd_state = 2; + snprintf(result, sizeof(result) , "%s", "OK"); + set_cmd_result(info, result, + strnlen(result, sizeof(result))); + enable_irq(info->irq); + kfree(buff); + return; + } else if (ver == fw_bin_ver) { + dev_info(&client->dev, + "fw update done. ver = 0x%02x\n", ver); + info->cmd_state = 2; + snprintf(result, sizeof(result) , "%s", "OK"); + set_cmd_result(info, result, + strnlen(result, sizeof(result))); + enable_irq(info->irq); + return; + } else { + dev_err(&client->dev, + "ERROR : fw version is still wrong (0x%x != 0x%x)\n", + ver, fw_bin_ver); + } + dev_err(&client->dev, "retrying flashing\n"); + } + +if (fp != NULL) { +err_fw_size: + kfree(buff); +err_alloc: + filp_close(fp, NULL); +err_open: + set_fs(old_fs); +} +not_support: +do_not_need_update: + snprintf(result, sizeof(result) , "%s", "NG"); + set_cmd_result(info, result, strnlen(result, sizeof(result))); + return; +} + +static void get_fw_ver_bin(void *device_data) +{ + struct mms_ts_info *info = (struct mms_ts_info *)device_data; + + char buff[16] = {0}; + int hw_rev; + + set_default_result(info); + hw_rev = get_hw_version(info); + + switch (hw_rev) { + case TSP_REV_4_80: + snprintf(buff, sizeof(buff), "%#02x", FW_VERSION_4_8); + break; + case TSP_REV_4_65: + snprintf(buff, sizeof(buff), "%#02x", FW_VERSION_4_65); + break; + case TSP_REV_4_77: + snprintf(buff, sizeof(buff), "%#02x", FW_VERSION_4_77); + break; + case TSP_REV_4_77_NEW: + snprintf(buff, sizeof(buff), "%#02x", FW_VERSION_4_77_NEW); + break; + case SAMPLE_4_77: + snprintf(buff, sizeof(buff), "%#02x", FW_VERSION_4_77); + break; + default: + break; + } + + set_cmd_result(info, buff, strnlen(buff, sizeof(buff))); + info->cmd_state = 2; + dev_info(&info->client->dev, "%s: %s(%d)\n", __func__, + buff, strnlen(buff, sizeof(buff))); +} + +static void get_fw_ver_ic(void *device_data) +{ + struct mms_ts_info *info = (struct mms_ts_info *)device_data; + + char buff[16] = {0}; + int ver; + + set_default_result(info); + + ver = info->fw_ic_ver; + snprintf(buff, sizeof(buff), "%#02x", ver); + + set_cmd_result(info, buff, strnlen(buff, sizeof(buff))); + info->cmd_state = 2; + dev_info(&info->client->dev, "%s: %s(%d)\n", __func__, + buff, strnlen(buff, sizeof(buff))); +} + +static void get_config_ver(void *device_data) +{ + not_support_cmd(device_data); +} + +static void get_threshold(void *device_data) +{ + struct mms_ts_info *info = (struct mms_ts_info *)device_data; + + char buff[16] = {0}; + int threshold; + + set_default_result(info); + + threshold = i2c_smbus_read_byte_data(info->client, 0x05); + if (threshold < 0) { + snprintf(buff, sizeof(buff), "%s", "NG"); + set_cmd_result(info, buff, strnlen(buff, sizeof(buff))); + info->cmd_state = 3; + return; +} + snprintf(buff, sizeof(buff), "%d", threshold); + + set_cmd_result(info, buff, strnlen(buff, sizeof(buff))); + info->cmd_state = 2; + dev_info(&info->client->dev, "%s: %s(%d)\n", __func__, + buff, strnlen(buff, sizeof(buff))); +} + +static void module_off_master(void *device_data) +{ + struct mms_ts_info *info = (struct mms_ts_info *)device_data; + + char buff[3] = {0}; + + mutex_lock(&info->lock); + if (info->enabled) { + disable_irq(info->irq); + info->enabled = false; + touch_is_pressed = 0; + } + mutex_unlock(&info->lock); + + info->pdata->power(0); + + if (info->pdata->is_vdd_on() == 0) + snprintf(buff, sizeof(buff), "%s", "OK"); + else + snprintf(buff, sizeof(buff), "%s", "NG"); + + set_default_result(info); + set_cmd_result(info, buff, strnlen(buff, sizeof(buff))); + + if (strncmp(buff, "OK", 2) == 0) + info->cmd_state = 2; + else + info->cmd_state = 3; + + dev_info(&info->client->dev, "%s: %s\n", __func__, buff); +} + +static void module_on_master(void *device_data) +{ + struct mms_ts_info *info = (struct mms_ts_info *)device_data; + + char buff[3] = {0}; + + mms_pwr_on_reset(info); + + mutex_lock(&info->lock); + if (!info->enabled) { + enable_irq(info->irq); + info->enabled = true; + } + mutex_unlock(&info->lock); + + if (info->pdata->is_vdd_on() == 1) + snprintf(buff, sizeof(buff), "%s", "OK"); + else + snprintf(buff, sizeof(buff), "%s", "NG"); + + set_default_result(info); + set_cmd_result(info, buff, strnlen(buff, sizeof(buff))); + + if (strncmp(buff, "OK", 2) == 0) + info->cmd_state = 2; + else + info->cmd_state = 3; + + dev_info(&info->client->dev, "%s: %s\n", __func__, buff); + +} + +static void get_chip_vendor(void *device_data) +{ + struct mms_ts_info *info = (struct mms_ts_info *)device_data; + + char buff[16] = {0}; + + set_default_result(info); + + snprintf(buff, sizeof(buff), "%s", "MELFAS"); + set_cmd_result(info, buff, strnlen(buff, sizeof(buff))); + info->cmd_state = 2; + dev_info(&info->client->dev, "%s: %s(%d)\n", __func__, + buff, strnlen(buff, sizeof(buff))); +} + +static void get_chip_name(void *device_data) +{ + struct mms_ts_info *info = (struct mms_ts_info *)device_data; + + char buff[16] = {0}; + + set_default_result(info); + + snprintf(buff, sizeof(buff), "%s", "MMS144"); + set_cmd_result(info, buff, strnlen(buff, sizeof(buff))); + info->cmd_state = 2; + dev_info(&info->client->dev, "%s: %s(%d)\n", __func__, + buff, strnlen(buff, sizeof(buff))); +} + +static void get_reference(void *device_data) +{ + struct mms_ts_info *info = (struct mms_ts_info *)device_data; + + char buff[16] = {0}; + unsigned int val; + int node; + + set_default_result(info); + node = check_rx_tx_num(info); + + if (node < 0) + return; + + val = info->reference[node]; + snprintf(buff, sizeof(buff), "%u", val); + set_cmd_result(info, buff, strnlen(buff, sizeof(buff))); + + info->cmd_state = 2; + + dev_info(&info->client->dev, "%s: %s(%d)\n", __func__, + buff, strnlen(buff, sizeof(buff))); + +} + +static void get_cm_abs(void *device_data) +{ + struct mms_ts_info *info = (struct mms_ts_info *)device_data; + + char buff[16] = {0}; + unsigned int val; + int node; + + set_default_result(info); + node = check_rx_tx_num(info); + + if (node < 0) + return; + + val = info->raw[node]; + snprintf(buff, sizeof(buff), "%u", val); + set_cmd_result(info, buff, strnlen(buff, sizeof(buff))); + info->cmd_state = 2; + + dev_info(&info->client->dev, "%s: %s(%d)\n", __func__, buff, + strnlen(buff, sizeof(buff))); +} + +static void get_cm_delta(void *device_data) +{ + struct mms_ts_info *info = (struct mms_ts_info *)device_data; + + char buff[16] = {0}; + unsigned int val; + int node; + + set_default_result(info); + node = check_rx_tx_num(info); + + if (node < 0) + return; + + val = info->inspection[node]; + snprintf(buff, sizeof(buff), "%u", val); + set_cmd_result(info, buff, strnlen(buff, sizeof(buff))); + info->cmd_state = 2; + + dev_info(&info->client->dev, "%s: %s(%d)\n", __func__, buff, + strnlen(buff, sizeof(buff))); +} + +static void get_intensity(void *device_data) +{ + struct mms_ts_info *info = (struct mms_ts_info *)device_data; + + char buff[16] = {0}; + unsigned int val; + int node; + + set_default_result(info); + node = check_rx_tx_num(info); + + if (node < 0) + return; + + val = info->intensity[node]; + + snprintf(buff, sizeof(buff), "%u", val); + set_cmd_result(info, buff, strnlen(buff, sizeof(buff))); + info->cmd_state = 2; + + dev_info(&info->client->dev, "%s: %s(%d)\n", __func__, buff, + strnlen(buff, sizeof(buff))); +} + +static void get_x_num(void *device_data) +{ + struct mms_ts_info *info = (struct mms_ts_info *)device_data; + + char buff[16] = {0}; + int val; + + set_default_result(info); + val = i2c_smbus_read_byte_data(info->client, 0xEF); + if (val < 0) { + snprintf(buff, sizeof(buff), "%s", "NG"); + set_cmd_result(info, buff, strnlen(buff, sizeof(buff))); + info->cmd_state = 3; + + dev_info(&info->client->dev, + "%s: fail to read num of x (%d).\n", __func__, val); + + return; + } + snprintf(buff, sizeof(buff), "%u", val); + set_cmd_result(info, buff, strnlen(buff, sizeof(buff))); + info->cmd_state = 2; + + dev_info(&info->client->dev, "%s: %s(%d)\n", __func__, buff, + strnlen(buff, sizeof(buff))); +} + +static void get_y_num(void *device_data) +{ + struct mms_ts_info *info = (struct mms_ts_info *)device_data; + + char buff[16] = {0}; + int val; + + set_default_result(info); + val = i2c_smbus_read_byte_data(info->client, 0xEE); + if (val < 0) { + snprintf(buff, sizeof(buff), "%s", "NG"); + set_cmd_result(info, buff, strnlen(buff, sizeof(buff))); + info->cmd_state = 3; + + dev_info(&info->client->dev, + "%s: fail to read num of y (%d).\n", __func__, val); + + return; + } + snprintf(buff, sizeof(buff), "%u", val); + set_cmd_result(info, buff, strnlen(buff, sizeof(buff))); + info->cmd_state = 2; + + dev_info(&info->client->dev, "%s: %s(%d)\n", __func__, buff, + strnlen(buff, sizeof(buff))); +} + +static void run_reference_read(void *device_data) +{ + struct mms_ts_info *info = (struct mms_ts_info *)device_data; + + set_default_result(info); + get_raw_data_all(info, MMS_VSC_CMD_REFER); + info->cmd_state = 2; + +/* dev_info(&info->client->dev, "%s: %s(%d)\n", __func__); */ +} + +static void run_cm_abs_read(void *device_data) +{ + struct mms_ts_info *info = (struct mms_ts_info *)device_data; + + set_default_result(info); + get_raw_data_all(info, MMS_VSC_CMD_CM_ABS); + get_raw_data_all(info, MMS_VSC_CMD_EXIT); + info->cmd_state = 2; + +/* dev_info(&info->client->dev, "%s: %s(%d)\n", __func__); */ +} + +static void run_cm_delta_read(void *device_data) +{ + struct mms_ts_info *info = (struct mms_ts_info *)device_data; + + set_default_result(info); + get_raw_data_all(info, MMS_VSC_CMD_CM_DELTA); + get_raw_data_all(info, MMS_VSC_CMD_EXIT); + info->cmd_state = 2; + +/* dev_info(&info->client->dev, "%s: %s(%d)\n", __func__); */ +} + +static void run_intensity_read(void *device_data) +{ + struct mms_ts_info *info = (struct mms_ts_info *)device_data; + + set_default_result(info); + get_raw_data_all(info, MMS_VSC_CMD_INTENSITY); + info->cmd_state = 2; + +/* dev_info(&info->client->dev, "%s: %s(%d)\n", __func__); */ +} + +static ssize_t store_cmd(struct device *dev, struct device_attribute + *devattr, const char *buf, size_t count) +{ + struct mms_ts_info *info = dev_get_drvdata(dev); + struct i2c_client *client = info->client; + + char *cur, *start, *end; + char buff[TSP_CMD_STR_LEN] = {0}; + int len, i; + struct tsp_cmd *tsp_cmd_ptr = NULL; + char delim = ','; + bool cmd_found = false; + int param_cnt = 0; + int ret; + + if (info->cmd_is_running == true) { + dev_err(&info->client->dev, "tsp_cmd: other cmd is running.\n"); + goto err_out; + } + + + /* check lock */ + mutex_lock(&info->cmd_lock); + info->cmd_is_running = true; + mutex_unlock(&info->cmd_lock); + + info->cmd_state = 1; + + for (i = 0; i < ARRAY_SIZE(info->cmd_param); i++) + info->cmd_param[i] = 0; + + len = (int)count; + if (*(buf + len - 1) == '\n') + len--; + memset(info->cmd, 0x00, ARRAY_SIZE(info->cmd)); + memcpy(info->cmd, buf, len); + + cur = strchr(buf, (int)delim); + if (cur) + memcpy(buff, buf, cur - buf); + else + memcpy(buff, buf, len); + + /* find command */ + list_for_each_entry(tsp_cmd_ptr, &info->cmd_list_head, list) { + if (!strcmp(buff, tsp_cmd_ptr->cmd_name)) { + cmd_found = true; + break; + } + } + + /* set not_support_cmd */ + if (!cmd_found) { + list_for_each_entry(tsp_cmd_ptr, &info->cmd_list_head, list) { + if (!strcmp("not_support_cmd", tsp_cmd_ptr->cmd_name)) + break; + } + } + + /* parsing parameters */ + if (cur && cmd_found) { + cur++; + start = cur; + memset(buff, 0x00, ARRAY_SIZE(buff)); + do { + if (*cur == delim || cur - buf == len) { + end = cur; + memcpy(buff, start, end - start); + *(buff + strlen(buff)) = '\0'; + ret = kstrtoint(buff, 10,\ + info->cmd_param + param_cnt); + start = cur + 1; + memset(buff, 0x00, ARRAY_SIZE(buff)); + param_cnt++; + } + cur++; + } while (cur - buf <= len); + } + + dev_info(&client->dev, "cmd = %s\n", tsp_cmd_ptr->cmd_name); + for (i = 0; i < param_cnt; i++) + dev_info(&client->dev, "cmd param %d= %d\n", i, + info->cmd_param[i]); + + tsp_cmd_ptr->cmd_func(info); + + +err_out: + return count; +} + +static ssize_t show_cmd_status(struct device *dev, + struct device_attribute *devattr, char *buf) +{ + struct mms_ts_info *info = dev_get_drvdata(dev); + char buff[16] = {0}; + + dev_info(&info->client->dev, "tsp cmd: status:%d\n", + info->cmd_state); + + if (info->cmd_state == 0) + snprintf(buff, sizeof(buff), "WAITING"); + + else if (info->cmd_state == 1) + snprintf(buff, sizeof(buff), "RUNNING"); + + else if (info->cmd_state == 2) + snprintf(buff, sizeof(buff), "OK"); + + else if (info->cmd_state == 3) + snprintf(buff, sizeof(buff), "FAIL"); + + else if (info->cmd_state == 4) + snprintf(buff, sizeof(buff), "NOT_APPLICABLE"); + + return snprintf(buf, TSP_BUF_SIZE, "%s\n", buff); +} + +static ssize_t show_cmd_result(struct device *dev, struct device_attribute + *devattr, char *buf) +{ + struct mms_ts_info *info = dev_get_drvdata(dev); + + dev_info(&info->client->dev, "tsp cmd: result: %s\n", info->cmd_result); + + mutex_lock(&info->cmd_lock); + info->cmd_is_running = false; + mutex_unlock(&info->cmd_lock); + + info->cmd_state = 0; + + return snprintf(buf, TSP_BUF_SIZE, "%s\n", info->cmd_result); +} + +#ifdef ESD_DEBUG + +static bool intensity_log_flag; + +static ssize_t show_intensity_logging_on(struct device *dev, + struct device_attribute *devattr, char *buf) +{ + struct mms_ts_info *info = dev_get_drvdata(dev); + struct i2c_client *client = info->client; + struct file *fp; + char log_data[160] = { 0, }; + char buff[16] = { 0, }; + mm_segment_t old_fs; + long nwrite; + u32 val; + int i, y, c; + + old_fs = get_fs(); + set_fs(KERNEL_DS); + +#define MELFAS_DEBUG_LOG_PATH "/sdcard/melfas_log" + + dev_info(&client->dev, "%s: start.\n", __func__); + fp = filp_open(MELFAS_DEBUG_LOG_PATH, O_RDWR | O_CREAT, + S_IRWXU | S_IRWXG | S_IRWXO); + if (IS_ERR(fp)) { + dev_err(&client->dev, "%s: fail to open log file\n", __func__); + goto open_err; + } + + intensity_log_flag = 1; + do { + for (y = 0; y < 3; y++) { + /* for tx chanel 0~2 */ + memset(log_data, 0x00, 160); + + snprintf(buff, 16, "%1u: ", y); + strncat(log_data, buff, strnlen(buff, 16)); + + for (i = 0; i < RX_NUM; i++) { + val = get_raw_data_one(info, i, y, + MMS_VSC_CMD_INTENSITY); + snprintf(buff, 16, "%5u, ", val); + strncat(log_data, buff, strnlen(buff, 16)); + } + memset(buff, '\n', 2); + c = (y == 2) ? 2 : 1; + strncat(log_data, buff, c); + nwrite = vfs_write(fp, (const char __user *)log_data, + strnlen(log_data, 160), &fp->f_pos); + } + usleep_range(5000); + } while (intensity_log_flag); + + filp_close(fp, current->files); + set_fs(old_fs); + + return 0; + +open_err: + set_fs(old_fs); + return FAIL; +} + +static ssize_t show_intensity_logging_off(struct device *dev, + struct device_attribute *devattr, char *buf) +{ + struct mms_ts_info *info = dev_get_drvdata(dev); + intensity_log_flag = 0; + usleep_range(10000); + get_raw_data_all(info, MMS_VSC_CMD_EXIT); + return 0; +} + +#endif + +static DEVICE_ATTR(close_tsp_test, S_IRUGO, show_close_tsp_test, NULL); +static DEVICE_ATTR(cmd, S_IWUSR | S_IWGRP, NULL, store_cmd); +static DEVICE_ATTR(cmd_status, S_IRUGO, show_cmd_status, NULL); +static DEVICE_ATTR(cmd_result, S_IRUGO, show_cmd_result, NULL); +#ifdef ESD_DEBUG +static DEVICE_ATTR(intensity_logging_on, S_IRUGO, show_intensity_logging_on, + NULL); +static DEVICE_ATTR(intensity_logging_off, S_IRUGO, show_intensity_logging_off, + NULL); +#endif + +static struct attribute *sec_touch_facotry_attributes[] = { + &dev_attr_close_tsp_test.attr, + &dev_attr_cmd.attr, + &dev_attr_cmd_status.attr, + &dev_attr_cmd_result.attr, +#ifdef ESD_DEBUG + &dev_attr_intensity_logging_on.attr, + &dev_attr_intensity_logging_off.attr, +#endif + NULL, +}; + +static struct attribute_group sec_touch_factory_attr_group = { + .attrs = sec_touch_facotry_attributes, +}; +#endif /* SEC_TSP_FACTORY_TEST */ + +static int __devinit mms_ts_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent); + struct mms_ts_info *info; + struct input_dev *input_dev; + int ret = 0; + char buf[4] = { 0, }; + +#ifdef SEC_TSP_FACTORY_TEST + int i; + struct device *fac_dev_ts; +#endif + touch_is_pressed = 0; + + if (!i2c_check_functionality(adapter, I2C_FUNC_I2C)) + return -EIO; + + info = kzalloc(sizeof(struct mms_ts_info), GFP_KERNEL); + if (!info) { + dev_err(&client->dev, "Failed to allocate memory\n"); + ret = -ENOMEM; + goto err_alloc; + } + + input_dev = input_allocate_device(); + if (!input_dev) { + dev_err(&client->dev, "Failed to allocate memory for input device\n"); + ret = -ENOMEM; + goto err_input_alloc; + } + + info->client = client; + info->input_dev = input_dev; + info->pdata = client->dev.platform_data; + if (NULL == info->pdata) { + pr_err("failed to get platform data\n"); + goto err_input_alloc; + } + info->irq = -1; + mutex_init(&info->lock); + + if (info->pdata) { + info->max_x = info->pdata->max_x; + info->max_y = info->pdata->max_y; + info->invert_x = info->pdata->invert_x; + info->invert_y = info->pdata->invert_y; + info->input_event = info->pdata->input_event; + info->register_cb = info->pdata->register_cb; + } else { + info->max_x = 720; + info->max_y = 1280; + } + + snprintf(info->phys, sizeof(info->phys), + "%s/input0", dev_name(&client->dev)); + input_dev->name = "sec_touchscreen"; /*= "Melfas MMSxxx Touchscreen";*/ + input_dev->phys = info->phys; + input_dev->id.bustype = BUS_I2C; + input_dev->dev.parent = &client->dev; + + __set_bit(EV_ABS, input_dev->evbit); + __set_bit(EV_KEY, input_dev->evbit); + __set_bit(BTN_TOUCH, input_dev->keybit); + __set_bit(INPUT_PROP_DIRECT, input_dev->propbit); + + input_mt_init_slots(input_dev, MAX_FINGERS); + input_set_abs_params(input_dev, ABS_MT_WIDTH_MAJOR, 0, MAX_WIDTH, 0, 0); + input_set_abs_params(input_dev, ABS_MT_POSITION_X, + 0, (info->max_x)-1, 0, 0); + input_set_abs_params(input_dev, ABS_MT_POSITION_Y, + 0, (info->max_y)-1, 0, 0); + input_set_abs_params(input_dev, ABS_X, 0, info->max_x, 0, 0); + input_set_abs_params(input_dev, ABS_Y, 0, info->max_y, 0, 0); + input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, + 0, MAX_PRESSURE, 0, 0); + input_set_abs_params(input_dev, ABS_MT_TOUCH_MINOR, + 0, MAX_PRESSURE, 0, 0); + input_set_abs_params(input_dev, ABS_MT_ANGLE, + MIN_ANGLE, MAX_ANGLE, 0, 0); + input_set_abs_params(input_dev, ABS_MT_PALM, + 0, 1, 0, 0); + input_set_drvdata(input_dev, info); + + ret = input_register_device(input_dev); + if (ret) { + dev_err(&client->dev, "failed to register input dev (%d)\n", + ret); + goto err_reg_input_dev; + } + +#if TOUCH_BOOSTER + mutex_init(&info->dvfs_lock); + INIT_DELAYED_WORK(&info->work_dvfs_off, set_dvfs_off); + INIT_DELAYED_WORK(&info->work_dvfs_chg, change_dvfs_lock); + bus_dev = dev_get("exynos-busfreq"); + info->cpufreq_level = -1; + info->dvfs_lock_status = false; +#endif + + i2c_set_clientdata(client, info); + info->pdata->power(true); + msleep(100); + + ret = i2c_master_recv(client, buf, 1); + if (ret < 0) { /* tsp connect check */ + pr_err("%s: i2c fail...tsp driver unload [%d], Add[%d]\n", + __func__, ret, info->client->addr); + goto err_config; + } + + if (system_rev >= TSP_FW_UPDATEABLE_HW_REV) + ret = mms_ts_fw_load(info); + else + ret = mms_ts_fw_info(info); + + if (ret) { + dev_err(&client->dev, "failed to initialize (%d)\n", ret); + goto err_config; + } + mms_ts_set_protocol(info); + info->enabled = true; + info->callbacks.inform_charger = melfas_ta_cb; + if (info->register_cb) + info->register_cb(&info->callbacks); + +#ifdef CONFIG_INPUT_FBSUSPEND + ret = tsp_register_fb(info); + if (ret) + pr_err("[TSP] Failed to register fb\n"); +#endif + + sec_touchscreen = device_create(sec_class, + NULL, 0, info, "sec_touchscreen"); + if (IS_ERR(sec_touchscreen)) { + dev_err(&client->dev, + "Failed to create device for the sysfs1\n"); + ret = -ENODEV; + } + +#ifdef SEC_TSP_FACTORY_TEST + INIT_LIST_HEAD(&info->cmd_list_head); + for (i = 0; i < ARRAY_SIZE(tsp_cmds); i++) + list_add_tail(&tsp_cmds[i].list, &info->cmd_list_head); + + mutex_init(&info->cmd_lock); + info->cmd_is_running = false; + + fac_dev_ts = device_create(sec_class, + NULL, 0, info, "tsp"); + if (IS_ERR(fac_dev_ts)) + dev_err(&client->dev, "Failed to create device for the sysfs\n"); + + ret = sysfs_create_group(&fac_dev_ts->kobj, + &sec_touch_factory_attr_group); + if (ret) + dev_err(&client->dev, "Failed to create sysfs group\n"); +#endif + return 0; + +err_config: + input_unregister_device(input_dev); + input_dev = NULL; +err_reg_input_dev: + input_free_device(input_dev); +err_input_alloc: + kfree(info->fw_name); + kfree(info); +err_alloc: + return ret; + +} + +static int __devexit mms_ts_remove(struct i2c_client *client) +{ + struct mms_ts_info *info = i2c_get_clientdata(client); + + unregister_early_suspend(&info->early_suspend); +#ifdef CONFIG_INPUT_FBSUSPEND + tsp_unregister_fb(info); +#endif + if (info->irq >= 0) + free_irq(info->irq, info); + input_unregister_device(info->input_dev); + kfree(info->fw_name); + kfree(info); + + return 0; +} + +#if defined(CONFIG_PM) || defined(CONFIG_HAS_EARLYSUSPEND) +static int mms_ts_suspend(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct mms_ts_info *info = i2c_get_clientdata(client); + + if (!info->enabled) { +#ifdef CONFIG_INPUT_FBSUSPEND + info->was_enabled_at_suspend = false; +#endif + return 0; + } + +#ifdef CONFIG_INPUT_FBSUSPEND + info->was_enabled_at_suspend = true; +#endif + dev_notice(&info->client->dev, "%s: users=%d\n", __func__, + info->input_dev->users); + + disable_irq(info->irq); + info->enabled = false; + touch_is_pressed = 0; + release_all_fingers(info); + info->pdata->power(0); + /* This delay needs to prevent unstable POR by + rapid frequently pressing of PWR key. */ + msleep(50); + return 0; +} + +static int mms_ts_resume(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct mms_ts_info *info = i2c_get_clientdata(client); + + if (info->enabled) + return 0; + +#ifdef CONFIG_INPUT_FBSUSPEND + if (!info->was_enabled_at_suspend) + return 0; +#endif + dev_notice(&info->client->dev, "%s: users=%d\n", __func__, + info->input_dev->users); + info->pdata->power(1); + msleep(120); + + if (info->ta_status) { + dev_notice(&client->dev, "TA connect!!!\n"); + i2c_smbus_write_byte_data(info->client, 0x33, 0x1); + } else { + dev_notice(&client->dev, "TA disconnect!!!\n"); + i2c_smbus_write_byte_data(info->client, 0x33, 0x2); + } + + mms_set_noise_mode(info); + + /* Because irq_type by EXT_INTxCON register is changed to low_level + * after wakeup, irq_type set to falling edge interrupt again. + */ + enable_irq(info->irq); + info->enabled = true; + return 0; +} +#endif + + +#if defined(CONFIG_PM) +static const struct dev_pm_ops mms_ts_pm_ops = { + .suspend = mms_ts_suspend, + .resume = mms_ts_resume, +#ifdef CONFIG_HIBERNATION + .freeze = mms_ts_suspend, + .thaw = mms_ts_resume, + .restore = mms_ts_resume, +#endif +}; +#endif + +static const struct i2c_device_id mms_ts_id[] = { + {MELFAS_TS_NAME, 0}, + {} +}; + +MODULE_DEVICE_TABLE(i2c, mms_ts_id); + +static struct i2c_driver mms_ts_driver = { + .probe = mms_ts_probe, + .remove = __devexit_p(mms_ts_remove), + .driver = { + .name = MELFAS_TS_NAME, +#if defined(CONFIG_PM) + .pm = &mms_ts_pm_ops, +#endif + }, + .id_table = mms_ts_id, +}; + +static int __init mms_ts_init(void) +{ + + return i2c_add_driver(&mms_ts_driver); + +} + +static void __exit mms_ts_exit(void) +{ + i2c_del_driver(&mms_ts_driver); +} + +module_init(mms_ts_init); +module_exit(mms_ts_exit); + +/* Module information */ +MODULE_DESCRIPTION("Touchscreen driver for Melfas MMS-series controllers"); +MODULE_LICENSE("GPL"); |