input: touchscreen: fst2: Add xiaomi touchfeature
Very basic, only the parts we are interested in. Change-Id: I6fb961a43b8602ee197344e4e950f50295ce4fee Signed-off-by: Jens Reidel <adrian@travitia.xyz>
This commit is contained in:
Jens Reidel
parent
ddc3552d10
commit
17806915ec
@ -58,6 +58,12 @@
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#include "fts_lib/fts_flash.h"
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#include "fts_lib/fts_test.h"
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#include "fts_lib/fts_error.h"
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#ifdef FTS_XIAOMI_TOUCHFEATURE
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#include "../xiaomi/xiaomi_touch.h"
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#endif
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struct fts_ts_info *fts_info;
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spinlock_t fts_int;
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static int system_reseted_up;
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static int system_reseted_down;
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@ -228,6 +234,7 @@ static int fts_mode_handler(struct fts_ts_info *info, int force)
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{
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int res = OK;
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u8 data = 0;
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u8 gesture_cmd[4] = { 0x20, 0x00, 0x00, 0x00 };
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/* disable irq wake because resuming from gesture mode */
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if ((info->mode == SCAN_MODE_LOW_POWER) && (info->resume_bit == 1))
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@ -237,7 +244,8 @@ static int fts_mode_handler(struct fts_ts_info *info, int force)
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log_info(1, "%s: Mode Handler starting...\n", __func__);
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switch (info->resume_bit) {
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case 0: /* screen down */
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log_info(1, "%s: Screen OFF...\n", __func__);
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if (!info->gesture_enabled) {
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log_info(1, "%s: Screen OFF... Enter sense off\n", __func__);
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/* do sense off in order to avoid the flooding of the fifo with
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* touch events if someone is touching the panel during suspend
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*/
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@ -245,6 +253,17 @@ static int fts_mode_handler(struct fts_ts_info *info, int force)
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res = fts_write_fw_reg(SCAN_MODE_ADDR, &data, 1);
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if (res == OK)
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info->mode = SCAN_MODE_HIBERNATE;
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} else {
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log_info(1, "%s: Screen OFF... Enter lp mode\n", __func__);
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data = SCAN_MODE_LOW_POWER;
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res = fts_write_fw_reg(SCAN_MODE_ADDR, &data, 1);
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if (res == OK)
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info->mode = SCAN_MODE_LOW_POWER;
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msleep(20);
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res = fts_write_fw_reg(GESTURE_ENABLE_ADDR, gesture_cmd, 4);
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if (res == OK)
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log_info(1, "doubletap enabled\n");
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}
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set_system_reseted_down(0);
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break;
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@ -270,6 +289,52 @@ static int fts_mode_handler(struct fts_ts_info *info, int force)
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return res;
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}
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/**
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* Report to the linux input system the pressure and release of a button handling concurrency
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* @param info pointer to fts_ts_info which contains info about the device and its hw setup
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* @param key_code button value
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*/
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void fts_input_report_key(struct fts_ts_info *info, int key_code)
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{
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mutex_lock(&info->input_report_mutex);
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input_report_key(info->input_dev, key_code, 1);
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input_sync(info->input_dev);
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input_report_key(info->input_dev, key_code, 0);
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input_sync(info->input_dev);
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mutex_unlock(&info->input_report_mutex);
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}
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/**
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* Event handler for user report events (EVT_ID_USER_REPORT)
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* Handle user events reported by the FW due to some interaction triggered by an external user (press keys, perform gestures, etc.)
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*/
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static void fts_user_report_event_handler(struct fts_ts_info *info,
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unsigned char *event)
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{
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switch (event[1]) {
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case EVT_TYPE_USER_GESTURE:
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switch (event[2]) {
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case GEST_ID_DBLTAP:
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if (!info->gesture_enabled)
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return;
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fts_input_report_key(info, KEY_WAKEUP);
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break;
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default:
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log_info(0, "%s: Invalid gesture ID: %d\n", __func__, event[2]);
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}
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break;
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default:
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log_info(
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1,
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"%s Received unhandled user report event = %02X %02X %02X %02X %02X %02X %02X %02X\n",
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__func__, event[0], event[1], event[2], event[3],
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event[4], event[5], event[6], event[7]);
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}
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}
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/**
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* Bottom Half Interrupt Handler function
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* This handler is called each time there is at least one new event in the FIFO
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@ -531,6 +596,7 @@ static int fts_interrupt_install(struct fts_ts_info *info)
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install_handler(info, MOTION_POINT, motion_pointer);
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install_handler(info, ERROR, error);
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install_handler(info, CONTROLLER_READY, controller_ready);
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install_handler(info, USER_REPORT, user_report);
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error = fts_disable_interrupt();
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@ -573,6 +639,7 @@ static void fts_resume_work(struct work_struct *work)
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fts_mode_handler(info, 0);
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info->sensor_sleep = false;
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fts_enable_interrupt();
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xiaomi_touch_set_suspend_state(XIAOMI_TOUCH_RESUME);
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}
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/**
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@ -590,6 +657,7 @@ static void fts_suspend_work(struct work_struct *work)
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release_all_touches(info);
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info->sensor_sleep = true;
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fts_enable_interrupt();
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xiaomi_touch_set_suspend_state(XIAOMI_TOUCH_SUSPEND);
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}
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@ -710,6 +778,36 @@ static void fts_register_panel_notifier_work(struct work_struct *work)
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}
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#endif
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#ifdef FTS_XIAOMI_TOUCHFEATURE
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static struct xiaomi_touch_interface xiaomi_touch_interfaces;
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static int fts_set_cur_value(int mode, int value)
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{
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log_info(1, "%s: mode: %d, value: %d\n", __func__, mode, value);
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if (mode == Touch_Doubletap_Mode && fts_info && value >= 0) {
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fts_info->gesture_enabled = value;
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return 0;
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}
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log_info(1, "%s: unhandled mode %d\n", __func__, mode);
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return 0;
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}
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static int fts_get_cur_value(int mode, int value_type)
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{
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log_info(1, "%s: mode: %d, value type: %d\n", __func__, mode, value_type);
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if (mode == Touch_Doubletap_Mode && fts_info) {
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return fts_info->gesture_enabled;
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}
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log_info(1, "%s: unsupported mode %d with value type %d\n", __func__, mode, value_type);
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return -1;
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}
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#endif
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/**
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* Complete the boot up process, initializing the sensing of the IC according
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* to the current setting chosen by the host
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@ -1203,6 +1301,7 @@ static int fts_probe(struct spi_device *client)
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goto probe_error_exit_0;
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}
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fts_info = info;
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info->client = client;
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info->dev = &info->client->dev;
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@ -1288,6 +1387,7 @@ static int fts_probe(struct spi_device *client)
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error = -ENOMEM;
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goto probe_error_exit_3;
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}
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INIT_WORK(&info->work, fts_event_handler);
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INIT_WORK(&info->resume_work, fts_resume_work);
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INIT_WORK(&info->suspend_work, fts_suspend_work);
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@ -1328,6 +1428,7 @@ static int fts_probe(struct spi_device *client)
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PRESSURE_MAX, 0, 0);
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input_set_abs_params(info->input_dev, ABS_MT_DISTANCE, DISTANCE_MIN,
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DISTANCE_MAX, 0, 0);
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input_set_capability(info->input_dev, EV_KEY, KEY_WAKEUP);
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mutex_init(&(info->input_report_mutex));
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spin_lock_init(&fts_int);
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error = input_register_device(info->input_dev);
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@ -1372,9 +1473,35 @@ static int fts_probe(struct spi_device *client)
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queue_delayed_work(info->fwu_workqueue, &info->fwu_work,
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msecs_to_jiffies(1000));
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#endif
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if (info->fts_tp_class == NULL)
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#ifdef FTS_XIAOMI_TOUCHFEATURE
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info->fts_tp_class = get_xiaomi_touch_class();
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#else
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info->fts_tp_class = class_create(THIS_MODULE, "touch");
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#endif
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info->fts_touch_dev = device_create(info->fts_tp_class, NULL,
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CHIP_ID, info, "tp_dev");
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if (IS_ERR(info->fts_touch_dev)) {
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log_info(1, "ERROR: Failed to create device for sysfs!\n");
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goto probe_error_exit_7;
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}
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#ifdef FTS_XIAOMI_TOUCHFEATURE
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memset(&xiaomi_touch_interfaces, 0x00,
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sizeof(struct xiaomi_touch_interface));
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xiaomi_touch_interfaces.setModeValue = fts_set_cur_value;
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xiaomi_touch_interfaces.getModeValue = fts_get_cur_value;
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xiaomitouch_register_modedata(0, &xiaomi_touch_interfaces);
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#endif
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log_info(1, "%s: Probe Finished!\n", __func__);
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return OK;
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probe_error_exit_7:
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device_destroy(info->fts_tp_class, CHIP_ID);
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probe_error_exit_6:
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input_unregister_device(info->input_dev);
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@ -1400,6 +1527,7 @@ static int fts_probe(struct spi_device *client)
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devm_pinctrl_put(info->ts_pinctrl);
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probe_error_exit_1:
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fts_info = NULL;
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kfree(info);
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probe_error_exit_0:
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@ -1432,8 +1560,10 @@ static int fts_remove(struct spi_device *client)
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#ifndef FW_UPDATE_ON_PROBE
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destroy_workqueue(info->fwu_workqueue);
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#endif
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device_destroy(info->fts_tp_class, CHIP_ID);
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fts_enable_reg(info, false);
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fts_get_reg(info, false);
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fts_info = NULL;
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kfree(info);
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return OK;
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}
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@ -26,6 +26,8 @@
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#define FTS_TS_DRV_VERSION "6.0.3"
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#define FTS_TS_DRV_VER 0x06000003
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#define FTS_XIAOMI_TOUCHFEATURE
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#define MAX_FIFO_EVENT 100
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/* **** PANEL SPECIFICATION **** */
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@ -138,6 +140,11 @@ struct fts_ts_info {
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struct delayed_work panel_notifier_register_work;
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void *notifier_cookie;
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struct class *fts_tp_class;
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struct device *fts_touch_dev;
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int gesture_enabled;
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};
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extern int fts_proc_init(void);
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@ -95,6 +95,7 @@
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#define FLASH_START_ADDR 0x00000000
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#define SCAN_MODE_ADDR 0x0010
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#define GESTURE_ENABLE_ADDR 0x0018
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#define FLASH_SAVE_ADDR 0x0020
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#define HDM_WRITE_REQ_ADDR 0x0021
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#define PI_ADDR 0x0022
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@ -123,6 +124,10 @@
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#define EVT_ID_DEBUG 0xE3 /* /< Debug Info */
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#define EVT_ID_ERROR 0xF3 /* /< Error Event */
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#define EVT_TYPE_USER_GESTURE 0x02 /* Gesture detection event report */
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#define GEST_ID_DBLTAP 0x05 /* Double tap */
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#define FIFO_EVENT_SIZE 8 /* /< number of bytes of one event */
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#define NUM_EVT_ID (((EVT_ID_ERROR & 0xF0) >> 4)+1)
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/* /< Max number of unique event IDs supported */
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