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- #ifndef TTDL_KERNEL_SUBMISSION
- #include "pt_regs.h"
- static void pt_pen_lift_all(struct pt_pen_data *pend)
- {
- input_report_key(pend->input, BTN_STYLUS, 0);
- input_report_key(pend->input, BTN_STYLUS2, 0);
- input_report_key(pend->input, BTN_TOUCH, 0);
- input_report_key(pend->input, BTN_TOOL_PEN, 0);
- input_sync(pend->input);
- }
- static void pt_get_pen(struct pt_pen_data *pend,
- struct pt_pen *pen, u8 *xy_data)
- {
- struct device *dev = pend->dev;
- struct pt_sysinfo *si = pend->si;
- enum pt_pen_abs abs;
- for (abs = PT_PEN_X; abs < PT_PEN_NUM_ABS; abs++) {
- if (!si->pen_abs[abs].report)
- continue;
- pt_get_touch_field(dev, &pen->abs[abs],
- si->pen_abs[abs].size,
- si->pen_abs[abs].max,
- xy_data + si->tch_abs[abs].ofs,
- si->pen_abs[abs].bofs);
- pt_debug(dev, DL_DEBUG, "%s: get %s=%04X(%d)\n",
- __func__, pt_pen_abs_string[abs],
- pen->abs[abs], pen->abs[abs]);
- }
- }
- static int pt_xy_worker(struct pt_pen_data *pend)
- {
- struct pt_sysinfo *si = pend->si;
- struct pt_pen pen;
- bool tool;
- pt_get_pen(pend, &pen, si->xy_data + 3);
- tool = pen.abs[PT_PEN_IV] ?
- BTN_TOOL_RUBBER : BTN_TOOL_PEN;
- input_report_abs(pend->input, ABS_X, pen.abs[PT_PEN_X]);
- input_report_abs(pend->input, ABS_Y, pen.abs[PT_PEN_Y]);
- input_report_abs(pend->input, ABS_PRESSURE, pen.abs[PT_PEN_P]);
- input_report_key(pend->input, BTN_STYLUS, pen.abs[PT_PEN_BS]);
- if (si->pen_abs[PT_PEN_2ND_BS].report)
- input_report_key(pend->input, BTN_STYLUS2,
- pen.abs[PT_PEN_2ND_BS]);
- input_report_key(pend->input, BTN_TOUCH, pen.abs[PT_PEN_TS]);
- input_report_key(pend->input, tool, pen.abs[PT_PEN_IR]);
- if (si->pen_abs[PT_PEN_X_TILT].report)
- input_report_abs(pend->input, ABS_TILT_X,
- pen.abs[PT_PEN_X_TILT]);
- if (si->pen_abs[PT_PEN_Y_TILT].report)
- input_report_abs(pend->input, ABS_TILT_Y,
- pen.abs[PT_PEN_Y_TILT]);
- input_sync(pend->input);
- return 0;
- }
- static int pt_pen_attention(struct device *dev)
- {
- struct pt_core_data *cd = dev_get_drvdata(dev);
- struct pt_pen_data *pend = &cd->pend;
- int rc;
- if (pend->si->xy_mode[2] != pend->si->desc.pen_report_id)
- return 0;
-
- mutex_lock(&pend->pen_lock);
- rc = pt_xy_worker(pend);
- mutex_unlock(&pend->pen_lock);
- if (rc < 0)
- pt_debug(dev, DL_ERROR,
- "%s: xy_worker error r=%d\n", __func__, rc);
- return rc;
- }
- static int pt_startup_attention(struct device *dev)
- {
- struct pt_core_data *cd = dev_get_drvdata(dev);
- struct pt_pen_data *pend = &cd->pend;
- mutex_lock(&pend->pen_lock);
- pt_pen_lift_all(pend);
- mutex_unlock(&pend->pen_lock);
- return 0;
- }
- static int pt_pen_suspend_attention(struct device *dev)
- {
- struct pt_core_data *cd = dev_get_drvdata(dev);
- struct pt_pen_data *pend = &cd->pend;
- mutex_lock(&pend->pen_lock);
- pt_pen_lift_all(pend);
- pend->is_suspended = true;
- mutex_unlock(&pend->pen_lock);
- pm_runtime_put(dev);
- return 0;
- }
- static int pt_pen_resume_attention(struct device *dev)
- {
- struct pt_core_data *cd = dev_get_drvdata(dev);
- struct pt_pen_data *pend = &cd->pend;
- pm_runtime_get(dev);
- mutex_lock(&pend->pen_lock);
- pend->is_suspended = false;
- mutex_unlock(&pend->pen_lock);
- return 0;
- }
- static int pt_pen_open(struct input_dev *input)
- {
- struct device *dev = input->dev.parent;
- struct pt_core_data *cd = dev_get_drvdata(dev);
- struct pt_pen_data *pend = &cd->pend;
- pm_runtime_get_sync(dev);
- mutex_lock(&pend->pen_lock);
- pend->is_suspended = false;
- mutex_unlock(&pend->pen_lock);
- pt_debug(dev, DL_INFO, "%s: setup subscriptions\n", __func__);
-
- _pt_subscribe_attention(dev, PT_ATTEN_IRQ, PT_PEN_NAME,
- pt_pen_attention, PT_MODE_OPERATIONAL);
-
- _pt_subscribe_attention(dev, PT_ATTEN_STARTUP, PT_PEN_NAME,
- pt_startup_attention, 0);
-
- _pt_subscribe_attention(dev, PT_ATTEN_SUSPEND, PT_PEN_NAME,
- pt_pen_suspend_attention, 0);
-
- _pt_subscribe_attention(dev, PT_ATTEN_RESUME, PT_PEN_NAME,
- pt_pen_resume_attention, 0);
- return 0;
- }
- static void pt_pen_close(struct input_dev *input)
- {
- struct device *dev = input->dev.parent;
- struct pt_core_data *cd = dev_get_drvdata(dev);
- struct pt_pen_data *pend = &cd->pend;
- _pt_unsubscribe_attention(dev, PT_ATTEN_IRQ, PT_PEN_NAME,
- pt_pen_attention, PT_MODE_OPERATIONAL);
- _pt_unsubscribe_attention(dev, PT_ATTEN_STARTUP, PT_PEN_NAME,
- pt_startup_attention, 0);
- _pt_unsubscribe_attention(dev, PT_ATTEN_SUSPEND, PT_PEN_NAME,
- pt_pen_suspend_attention, 0);
- _pt_unsubscribe_attention(dev, PT_ATTEN_RESUME, PT_PEN_NAME,
- pt_pen_resume_attention, 0);
- mutex_lock(&pend->pen_lock);
- if (!pend->is_suspended) {
- pm_runtime_put(dev);
- pend->is_suspended = true;
- }
- mutex_unlock(&pend->pen_lock);
- }
- static int pt_setup_input_device(struct device *dev)
- {
- struct pt_core_data *cd = dev_get_drvdata(dev);
- struct pt_pen_data *pend = &cd->pend;
- int i;
- int rc;
- u32 usage;
- int max_x, max_y, max_p;
- pt_debug(dev, DL_INFO, "%s: Initialize event signals\n",
- __func__);
- __set_bit(EV_ABS, pend->input->evbit);
- __set_bit(EV_KEY, pend->input->evbit);
- for (i = PT_PEN_X; i < PT_PEN_NUM_ABS; i++) {
- usage = pt_pen_abs_field_map[i];
- switch (usage) {
- case HID_GD_X:
- max_x = pend->si->sensing_conf_data.res_x;
- input_set_abs_params(pend->input,
- ABS_X, 0, max_x, 0, 0);
- break;
- case HID_GD_Y:
- max_y = pend->si->sensing_conf_data.res_y;
- input_set_abs_params(pend->input,
- ABS_Y, 0, max_y, 0, 0);
- break;
- case HID_DG_TIPPRESSURE:
- max_p = pend->si->sensing_conf_data.max_z;
- input_set_abs_params(pend->input,
- ABS_PRESSURE, 0, max_p, 0, 0);
- break;
- case HID_DG_INRANGE:
- input_set_capability(pend->input,
- EV_KEY, BTN_TOOL_PEN);
- break;
- case HID_DG_INVERT:
- input_set_capability(pend->input,
- EV_KEY, BTN_TOOL_RUBBER);
- break;
- case HID_DG_TILT_X:
- max_x = pend->si->pen_abs[i].max;
- input_set_abs_params(pend->input,
- ABS_TILT_X, 0, max_x, 0, 0);
- break;
- case HID_DG_TILT_Y:
- max_x = pend->si->pen_abs[i].max;
- input_set_abs_params(pend->input,
- ABS_TILT_Y, 0, max_x, 0, 0);
- break;
- case HID_DG_ERASER:
- case HID_DG_TIPSWITCH:
- input_set_capability(pend->input,
- EV_KEY, BTN_TOUCH);
- break;
- case HID_DG_BARRELSWITCH:
- input_set_capability(pend->input,
- EV_KEY, BTN_STYLUS);
- break;
- case HID_DG_BARRELSWITCH2:
- input_set_capability(pend->input,
- EV_KEY, BTN_STYLUS2);
- break;
- }
- }
- rc = input_register_device(pend->input);
- if (rc < 0)
- pt_debug(dev, DL_ERROR,
- "%s: Error, failed register input device r=%d\n",
- __func__, rc);
- else
- pend->input_device_registered = true;
- return rc;
- }
- static int pt_setup_input_attention(struct device *dev)
- {
- struct pt_core_data *cd = dev_get_drvdata(dev);
- struct pt_pen_data *pend = &cd->pend;
- int rc;
- pend->si = _pt_request_sysinfo(dev);
- if (!pend->si)
- return -1;
- rc = pt_setup_input_device(dev);
- _pt_unsubscribe_attention(dev, PT_ATTEN_STARTUP, PT_PEN_NAME,
- pt_setup_input_attention, 0);
- return rc;
- }
- int pt_pen_probe(struct device *dev)
- {
- struct pt_core_data *cd = dev_get_drvdata(dev);
- struct pt_pen_data *pend = &cd->pend;
- struct pt_platform_data *pdata = dev_get_platdata(dev);
- struct pt_pen_platform_data *pen_pdata;
- int rc = 0;
- if (!pdata || !pdata->pen_pdata) {
- pt_debug(dev, DL_ERROR,
- "%s: Missing platform data\n", __func__);
- rc = -ENODEV;
- goto error_no_pdata;
- }
- pen_pdata = pdata->pen_pdata;
- mutex_init(&pend->pen_lock);
- pend->dev = dev;
- pend->pdata = pen_pdata;
-
- pt_debug(dev, DL_INFO,
- "%s: Create the input device and register it\n", __func__);
- pend->input = input_allocate_device();
- if (!pend->input) {
- pt_debug(dev, DL_ERROR,
- "%s: Error, failed to allocate input device\n",
- __func__);
- rc = -ENODEV;
- goto error_alloc_failed;
- } else
- pend->input_device_allocated = true;
- if (pend->pdata->inp_dev_name)
- pend->input->name = pend->pdata->inp_dev_name;
- else
- pend->input->name = PT_PEN_NAME;
- scnprintf(pend->phys, sizeof(pend->phys), "%s/input%d", dev_name(dev),
- cd->phys_num++);
- pend->input->phys = pend->phys;
- pend->input->dev.parent = pend->dev;
- pend->input->open = pt_pen_open;
- pend->input->close = pt_pen_close;
- input_set_drvdata(pend->input, pend);
-
- pend->si = _pt_request_sysinfo(dev);
- if (pend->si) {
- rc = pt_setup_input_device(dev);
- if (rc)
- goto error_init_input;
- } else {
- pt_debug(dev, DL_ERROR,
- "%s: Fail get sysinfo pointer from core p=%p\n",
- __func__, pend->si);
- _pt_subscribe_attention(dev, PT_ATTEN_STARTUP,
- PT_PEN_NAME, pt_setup_input_attention, 0);
- }
- return 0;
- error_init_input:
- input_free_device(pend->input);
- pend->input_device_allocated = false;
- error_alloc_failed:
- error_no_pdata:
- pt_debug(dev, DL_ERROR, "%s failed.\n", __func__);
- return rc;
- }
- int pt_pen_release(struct device *dev)
- {
- struct pt_core_data *cd;
- struct pt_pen_data *pend;
-
- if (dev) {
- cd = dev_get_drvdata(dev);
- if (cd)
- pend = &cd->pend;
- else
- return 0;
- } else {
- return 0;
- }
-
- if (pend && pend->input_device_registered) {
- pend->input_device_registered = false;
- input_unregister_device(pend->input);
-
- pend->input_device_allocated = false;
- } else if (pend && pend->input_device_allocated) {
- pend->input_device_allocated = false;
- input_free_device(pend->input);
- _pt_unsubscribe_attention(dev, PT_ATTEN_STARTUP,
- PT_PEN_NAME, pt_setup_input_attention, 0);
- }
- return 0;
- }
- #endif
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