kernel_samsung_a34x-permissive/drivers/vibrator/common/sec_vibrator.c
2024-04-28 15:51:13 +02:00

1836 lines
46 KiB
C

// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2019-2021 Samsung Electronics Co. Ltd.
*/
#define pr_fmt(fmt) "[VIB] " fmt
#include <linux/device.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/hrtimer.h>
#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/err.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/vibrator/sec_vibrator.h>
#if IS_ENABLED(CONFIG_SEC_VIB_NOTIFIER)
#include <linux/vibrator/sec_vibrator_notifier.h>
#endif
#if IS_ENABLED(CONFIG_BATTERY_SAMSUNG)
#if defined(CONFIG_BATTERY_GKI)
#include <linux/battery/sec_battery_common.h>
#else
#include <linux/battery/common/sb_psy.h>
#endif
#endif
#if defined(CONFIG_SEC_KUNIT)
#include "kunit_test/sec_vibrator_test.h"
#else
#define __visible_for_testing static
#endif
enum {
VIB_NO_COMPEMSATION = 0,
VIB_COMPENSATION_WAY1,
VIB_COMPENSATION_WAY2,
};
static const int kMaxBufSize = 7;
static const int kMaxHapticStepSize = 7;
static const char *str_newline = "\n";
static struct sec_vibrator_drvdata *g_ddata;
static char vib_event_cmd[MAX_STR_LEN_EVENT_CMD];
static const char sec_vib_event_cmd[EVENT_CMD_MAX][MAX_STR_LEN_EVENT_CMD] = {
[EVENT_CMD_NONE] = "NONE",
[EVENT_CMD_FOLDER_CLOSE] = "FOLDER_CLOSE",
[EVENT_CMD_FOLDER_OPEN] = "FOLDER_OPEN",
[EVENT_CMD_ACCESSIBILITY_BOOST_ON] = "ACCESSIBILITY_BOOST_ON",
[EVENT_CMD_ACCESSIBILITY_BOOST_OFF] = "ACCESSIBILITY_BOOST_OFF",
[EVENT_CMD_TENT_CLOSE] = "FOLDER_TENT_CLOSE",
[EVENT_CMD_TENT_OPEN] = "FOLDER_TENT_OPEN",
};
static struct sec_vibrator_pdata sec_vibrator_pdata = {
.probe_done = false,
.normal_ratio = 100,
.high_temp_ratio = SEC_VIBRATOR_DEFAULT_HIGH_TEMP_RATIO,
.high_temp_ref = SEC_VIBRATOR_DEFAULT_HIGH_TEMP_REF,
};
#if IS_ENABLED(CONFIG_SEC_VIB_NOTIFIER)
static struct vib_notifier_context vib_notifier;
static struct blocking_notifier_head sec_vib_nb_head = BLOCKING_NOTIFIER_INIT(sec_vib_nb_head);
int sec_vib_notifier_register(struct notifier_block *noti_block)
{
int ret = 0;
pr_info("%s\n", __func__);
if (!noti_block)
return -EINVAL;
ret = blocking_notifier_chain_register(&sec_vib_nb_head, noti_block);
if (ret < 0)
pr_err("%s: failed(%d)\n", __func__, ret);
return ret;
}
EXPORT_SYMBOL_GPL(sec_vib_notifier_register);
int sec_vib_notifier_unregister(struct notifier_block *noti_block)
{
int ret = 0;
pr_info("%s\n", __func__);
if (!noti_block)
return -EINVAL;
ret = blocking_notifier_chain_unregister(&sec_vib_nb_head, noti_block);
if (ret < 0)
pr_err("%s: failed(%d)\n", __func__, ret);
return ret;
}
EXPORT_SYMBOL_GPL(sec_vib_notifier_unregister);
static int sec_vib_notifier_notify(int en, struct sec_vibrator_drvdata *ddata)
{
int ret = 0;
if (!ddata) {
pr_err("%s : ddata is NULL\n", __func__);
return -ENODATA;
}
vib_notifier.index = ddata->index;
vib_notifier.timeout = ddata->timeout;
pr_info("%s: %s, idx: %d timeout: %d\n", __func__, en ? "ON" : "OFF",
vib_notifier.index, vib_notifier.timeout);
ret = blocking_notifier_call_chain(&sec_vib_nb_head, en, &vib_notifier);
switch (ret) {
case NOTIFY_DONE:
case NOTIFY_OK:
pr_info("%s done(0x%x)\n", __func__, ret);
break;
default:
pr_info("%s failed(0x%x)\n", __func__, ret);
break;
}
return ret;
}
#endif /* if IS_ENABLED(CONFIG_SEC_VIB_NOTIFIER) */
#if IS_ENABLED(CONFIG_BATTERY_SAMSUNG)
static int sec_vibrator_check_temp(struct sec_vibrator_drvdata *ddata)
{
int ret = 0;
union power_supply_propval value = {0, };
if (!ddata) {
pr_err("%s : ddata is NULL\n", __func__);
return -ENODATA;
}
if (!ddata->vib_ops->set_tuning_with_temp)
return -ENOSYS;
psy_do_property("battery", get, POWER_SUPPLY_PROP_TEMP, value);
ret = ddata->vib_ops->set_tuning_with_temp(ddata->dev, value.intval);
if (ret)
pr_err("%s error(%d)\n", __func__, ret);
return ret;
}
#endif
__visible_for_testing int sec_vibrator_set_enable(struct sec_vibrator_drvdata *ddata, bool en)
{
int ret = 0;
if (!ddata) {
pr_err("%s : ddata is NULL\n", __func__);
return -ENODATA;
}
if (!ddata->vib_ops->enable)
return -ENOSYS;
ret = ddata->vib_ops->enable(ddata->dev, en);
if (ret)
pr_err("%s error(%d)\n", __func__, ret);
#if IS_ENABLED(CONFIG_SEC_VIB_NOTIFIER)
sec_vib_notifier_notify(en, ddata);
#endif
return ret;
}
__visible_for_testing int sec_vibrator_set_intensity(struct sec_vibrator_drvdata *ddata, int intensity)
{
int ret = 0;
if (!ddata) {
pr_err("%s : ddata is NULL\n", __func__);
return -ENODATA;
}
if (!ddata->vib_ops->set_intensity)
return -ENOSYS;
if ((intensity < -(MAX_INTENSITY)) || (intensity > MAX_INTENSITY)) {
pr_err("%s out of range(%d)\n", __func__, intensity);
return -EINVAL;
}
ret = ddata->vib_ops->set_intensity(ddata->dev, intensity);
if (ret)
pr_err("%s error(%d)\n", __func__, ret);
return ret;
}
__visible_for_testing int sec_vibrator_set_frequency(struct sec_vibrator_drvdata *ddata, int frequency)
{
int ret = 0;
if (!ddata) {
pr_err("%s : ddata is NULL\n", __func__);
return -ENODATA;
}
if (!ddata->vib_ops->set_frequency)
return -ENOSYS;
if ((frequency < FREQ_ALERT) ||
((frequency >= FREQ_MAX) && (frequency < HAPTIC_ENGINE_FREQ_MIN)) ||
(frequency > HAPTIC_ENGINE_FREQ_MAX)) {
pr_err("%s out of range(%d)\n", __func__, frequency);
return -EINVAL;
}
ret = ddata->vib_ops->set_frequency(ddata->dev, frequency);
if (ret)
pr_err("%s error(%d)\n", __func__, ret);
return ret;
}
__visible_for_testing int sec_vibrator_set_overdrive(struct sec_vibrator_drvdata *ddata, bool en)
{
int ret = 0;
if (!ddata) {
pr_err("%s : ddata is NULL\n", __func__);
return -ENODATA;
}
if (!ddata->vib_ops->set_overdrive)
return -ENOSYS;
ret = ddata->vib_ops->set_overdrive(ddata->dev, en);
if (ret)
pr_err("%s error(%d)\n", __func__, ret);
return ret;
}
static void sec_vibrator_haptic_enable(struct sec_vibrator_drvdata *ddata)
{
if (!ddata) {
pr_err("%s : ddata is NULL\n", __func__);
return;
}
#if IS_ENABLED(CONFIG_BATTERY_SAMSUNG)
sec_vibrator_check_temp(ddata);
#endif
sec_vibrator_set_frequency(ddata, ddata->frequency);
sec_vibrator_set_intensity(ddata, ddata->intensity);
sec_vibrator_set_enable(ddata, true);
if (ddata->vib_ops->set_frequency)
pr_info("freq:%d, intensity:%d, %dms\n", ddata->frequency, ddata->intensity, ddata->timeout);
else if (ddata->vib_ops->set_intensity)
pr_info("intensity:%d, %dms\n", ddata->intensity, ddata->timeout);
else
pr_info("%dms\n", ddata->timeout);
}
static void sec_vibrator_haptic_disable(struct sec_vibrator_drvdata *ddata)
{
if (!ddata) {
pr_err("%s : ddata is NULL\n", __func__);
return;
}
/* clear common variables */
ddata->index = 0;
/* clear haptic engine variables */
ddata->f_packet_en = false;
ddata->packet_cnt = 0;
ddata->packet_size = 0;
sec_vibrator_set_enable(ddata, false);
sec_vibrator_set_overdrive(ddata, false);
sec_vibrator_set_frequency(ddata, FREQ_ALERT);
sec_vibrator_set_intensity(ddata, 0);
if (ddata->timeout > 0)
pr_info("timeout, off\n");
else
pr_info("off\n");
}
static void sec_vibrator_engine_run_packet(struct sec_vibrator_drvdata *ddata, struct vib_packet packet)
{
int frequency = packet.freq;
int intensity = packet.intensity;
int overdrive = packet.overdrive;
int fifo = packet.fifo_flag;
int file_num = 0;
if (!ddata) {
pr_err("%s : ddata is NULL\n", __func__);
return;
}
if (!ddata->f_packet_en) {
pr_err("haptic packet is empty\n");
return;
}
if (fifo == 0)
pr_info("%s [%d] freq:%d, intensity:%d, time:%d overdrive: %d\n",
__func__, ddata->packet_cnt, frequency, intensity,
ddata->timeout, overdrive);
else
pr_info("%s [%d] fifo num:%d, intensity:%d, time:%d overdrive: %d\n",
__func__, ddata->packet_cnt, frequency, intensity,
ddata->timeout, overdrive);
sec_vibrator_set_overdrive(ddata, overdrive);
if (fifo == 0)
sec_vibrator_set_frequency(ddata, frequency);
else
file_num = frequency;
if (intensity) {
if (fifo == 0) {
sec_vibrator_set_intensity(ddata, intensity);
if (!ddata->packet_running) {
pr_info("[haptic engine] motor run\n");
sec_vibrator_set_enable(ddata, true);
ddata->packet_running = true;
} else if (ddata->vib_ops->update_packet_params) {
pr_info("motor running, parameters update\n");
ddata->vib_ops->update_packet_params(ddata->dev);
}
} else {
ddata->vib_ops->set_fifo_intensity(ddata->dev, intensity);
ddata->packet_running = false;
sec_vibrator_set_enable(ddata, false);
ddata->vib_ops->enable_fifo(ddata->dev, file_num);
}
} else {
if (ddata->packet_running) {
pr_info("[haptic engine] motor stop\n");
sec_vibrator_set_enable(ddata, false);
}
ddata->packet_running = false;
sec_vibrator_set_intensity(ddata, intensity);
}
pr_info("%s end\n", __func__);
}
static void timed_output_enable(struct sec_vibrator_drvdata *ddata, unsigned int value)
{
struct hrtimer *timer = &ddata->timer;
int ret = 0;
if (!ddata) {
pr_err("%s : ddata is NULL\n", __func__);
return;
}
ret = hrtimer_cancel(timer);
kthread_flush_worker(&ddata->kworker);
mutex_lock(&ddata->vib_mutex);
value = min_t(int, value, MAX_TIMEOUT);
ddata->timeout = value;
if (value) {
if (ddata->f_packet_en) {
ddata->packet_running = false;
ddata->timeout = ddata->vib_pac[0].time;
sec_vibrator_engine_run_packet(ddata, ddata->vib_pac[0]);
} else {
sec_vibrator_haptic_enable(ddata);
}
if (!ddata->index)
hrtimer_start(timer, ns_to_ktime((u64)ddata->timeout * NSEC_PER_MSEC), HRTIMER_MODE_REL);
} else {
sec_vibrator_haptic_disable(ddata);
}
mutex_unlock(&ddata->vib_mutex);
}
static enum hrtimer_restart haptic_timer_func(struct hrtimer *timer)
{
struct sec_vibrator_drvdata *ddata;
if (!timer) {
pr_err("%s : timer is NULL\n", __func__);
return -ENODATA;
}
ddata = container_of(timer, struct sec_vibrator_drvdata, timer);
if (!ddata) {
pr_err("%s : ddata is NULL\n", __func__);
return -ENODATA;
}
pr_info("%s\n", __func__);
kthread_queue_work(&ddata->kworker, &ddata->kwork);
return HRTIMER_NORESTART;
}
static void sec_vibrator_work(struct kthread_work *work)
{
struct sec_vibrator_drvdata *ddata;
struct hrtimer *timer;
int fifo = 0;
if (!work) {
pr_err("%s : work is NULL\n", __func__);
return;
}
ddata = container_of(work, struct sec_vibrator_drvdata, kwork);
if (!ddata) {
pr_err("%s : ddata is NULL\n", __func__);
return;
}
timer = &ddata->timer;
if (!timer) {
pr_err("%s : timer is NULL\n", __func__);
return;
}
pr_info("%s\n", __func__);
mutex_lock(&ddata->vib_mutex);
if (ddata->f_packet_en) {
ddata->packet_cnt++;
if (ddata->packet_cnt < ddata->packet_size) {
ddata->timeout = ddata->vib_pac[ddata->packet_cnt].time;
fifo = ddata->vib_pac[ddata->packet_cnt].fifo_flag;
if (fifo == 0) {
sec_vibrator_engine_run_packet(ddata, ddata->vib_pac[ddata->packet_cnt]);
hrtimer_start(timer, ns_to_ktime((u64)ddata->timeout * NSEC_PER_MSEC),
HRTIMER_MODE_REL);
} else {
hrtimer_start(timer, ns_to_ktime((u64)ddata->timeout * NSEC_PER_MSEC),
HRTIMER_MODE_REL);
sec_vibrator_engine_run_packet(ddata, ddata->vib_pac[ddata->packet_cnt]);
}
goto unlock_without_vib_off;
} else {
ddata->f_packet_en = false;
ddata->packet_cnt = 0;
ddata->packet_size = 0;
}
}
sec_vibrator_haptic_disable(ddata);
unlock_without_vib_off:
mutex_unlock(&ddata->vib_mutex);
}
__visible_for_testing inline bool is_valid_params(struct device *dev, struct device_attribute *attr,
const char *buf, struct sec_vibrator_drvdata *ddata)
{
if (!dev) {
pr_err("%s : dev is NULL\n", __func__);
return false;
}
if (!attr) {
pr_err("%s : attr is NULL\n", __func__);
return false;
}
if (!buf) {
pr_err("%s : buf is NULL\n", __func__);
return false;
}
if (!ddata) {
pr_err("%s : ddata is NULL\n", __func__);
return false;
}
return true;
}
__visible_for_testing ssize_t default_duty_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct sec_vibrator_drvdata *ddata = g_ddata;
int default_duty = 0, ret = 0;
if (!is_valid_params(dev, attr, buf, ddata))
return -ENODATA;
ret = kstrtoint(buf, 0, &default_duty);
if (ret) {
pr_err("%s : fail to get default_duty\n", __func__);
return -EINVAL;
}
pr_info("%s %d\n", __func__, default_duty);
if ((default_duty < 0) || (default_duty > MAX_DUTY)) {
pr_err("[VIB]: %s out of range\n", __func__);
return -EINVAL;
}
if (ddata->vib_ops->set_default_duty) {
ret = ddata->vib_ops->set_default_duty(ddata->dev, default_duty);
if (ret) {
pr_err("%s set_default_duty error : %d\n", __func__, ret);
goto err;
}
} else {
pr_info("%s this model doesn't need set_default_duty\n", __func__);
}
err:
return ret ? ret : count;
}
__visible_for_testing ssize_t default_duty_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct sec_vibrator_drvdata *ddata = g_ddata;
int ret = 0;
if (!is_valid_params(dev, attr, buf, ddata))
return -ENODATA;
if (!ddata->vib_ops->get_default_duty)
return snprintf(buf, VIB_BUFSIZE, "NONE\n");
ret = ddata->vib_ops->get_default_duty(ddata->dev, buf);
return ret;
}
__visible_for_testing ssize_t fold_open_duty_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct sec_vibrator_drvdata *ddata = g_ddata;
int fold_open_duty = 0, ret = 0;
if (!is_valid_params(dev, attr, buf, ddata))
return -ENODATA;
ret = kstrtoint(buf, 0, &fold_open_duty);
if (ret) {
pr_err("%s : fail to get fold_open_duty\n", __func__);
return -EINVAL;
}
pr_info("%s %d\n", __func__, fold_open_duty);
if ((fold_open_duty < 0) || (fold_open_duty > MAX_DUTY)) {
pr_err("[VIB]: %s out of range\n", __func__);
return -EINVAL;
}
if (ddata->vib_ops->set_fold_open_duty) {
ret = ddata->vib_ops->set_fold_open_duty(ddata->dev, fold_open_duty);
if (ret) {
pr_err("%s set_fold_open_duty error : %d\n", __func__, ret);
goto err;
}
} else {
pr_info("%s this model doesn't need set_fold_open_duty\n", __func__);
}
err:
return ret ? ret : count;
}
__visible_for_testing ssize_t fold_open_duty_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct sec_vibrator_drvdata *ddata = g_ddata;
int ret = 0;
if (!is_valid_params(dev, attr, buf, ddata))
return -ENODATA;
if (!ddata->vib_ops->get_fold_open_duty)
return snprintf(buf, VIB_BUFSIZE, "NONE\n");
ret = ddata->vib_ops->get_fold_open_duty(ddata->dev, buf);
return ret;
}
__visible_for_testing ssize_t fold_close_duty_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct sec_vibrator_drvdata *ddata = g_ddata;
int fold_close_duty = 0, ret = 0;
if (!is_valid_params(dev, attr, buf, ddata))
return -ENODATA;
ret = kstrtoint(buf, 0, &fold_close_duty);
if (ret) {
pr_err("%s : fail to get fold_close_duty\n", __func__);
return -EINVAL;
}
pr_info("%s %d\n", __func__, fold_close_duty);
if ((fold_close_duty < 0) || (fold_close_duty > MAX_DUTY)) {
pr_err("[VIB]: %s out of range\n", __func__);
return -EINVAL;
}
if (ddata->vib_ops->set_fold_close_duty) {
ret = ddata->vib_ops->set_fold_close_duty(ddata->dev, fold_close_duty);
if (ret) {
pr_err("%s set_fold_close_duty error : %d\n", __func__, ret);
goto err;
}
} else {
pr_info("%s this model doesn't need set_fold_close_duty\n", __func__);
}
err:
return ret ? ret : count;
}
__visible_for_testing ssize_t fold_close_duty_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct sec_vibrator_drvdata *ddata = g_ddata;
int ret = 0;
if (!is_valid_params(dev, attr, buf, ddata))
return -ENODATA;
if (!ddata->vib_ops->get_fold_close_duty)
return snprintf(buf, VIB_BUFSIZE, "NONE\n");
ret = ddata->vib_ops->get_fold_close_duty(ddata->dev, buf);
return ret;
}
__visible_for_testing ssize_t intensity_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct sec_vibrator_drvdata *ddata = g_ddata;
int intensity = 0, ret = 0;
if (!is_valid_params(dev, attr, buf, ddata))
return -ENODATA;
ret = kstrtoint(buf, 0, &intensity);
if (ret) {
pr_err("%s : fail to get intensity\n", __func__);
return -EINVAL;
}
pr_info("%s %d\n", __func__, intensity);
if ((intensity < 0) || (intensity > MAX_INTENSITY)) {
pr_err("[VIB]: %s out of range\n", __func__);
return -EINVAL;
}
ddata->intensity = intensity;
return count;
}
__visible_for_testing ssize_t intensity_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct sec_vibrator_drvdata *ddata = g_ddata;
if (!is_valid_params(dev, attr, buf, ddata))
return -ENODATA;
return snprintf(buf, VIB_BUFSIZE, "intensity: %u\n", ddata->intensity);
}
static ssize_t fifo_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
struct sec_vibrator_drvdata *ddata = (struct sec_vibrator_drvdata *) dev_get_drvdata(dev);
int ret;
int file_num;
pr_info("%s +\n", __func__);
ret = kstrtoint(buf, 0, &file_num);
if (ret) {
pr_err("fail to get file_num\n");
return -EINVAL;
}
if (!ddata->vib_ops->enable_fifo || !ddata->vib_ops->set_fifo_intensity) {
pr_err("fifo functionality doesn't support\n");
return -EOPNOTSUPP;
}
ret = ddata->vib_ops->set_fifo_intensity(ddata->dev, 10000);
ret = ddata->vib_ops->enable_fifo(ddata->dev, file_num);
pr_info("%s -\n", __func__);
return count;
}
static ssize_t fifo_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct sec_vibrator_drvdata *ddata = (struct sec_vibrator_drvdata *)
dev_get_drvdata(dev);
int ret = 0;
if (!ddata->vib_ops->get_fifo_filepath)
return snprintf(buf, VIB_BUFSIZE, "NONE\n");
ret = ddata->vib_ops->get_fifo_filepath(ddata->dev, buf);
return ret;
}
__visible_for_testing ssize_t multi_freq_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct sec_vibrator_drvdata *ddata = g_ddata;
int num, ret;
if (!is_valid_params(dev, attr, buf, ddata))
return -ENODATA;
ret = kstrtoint(buf, 0, &num);
if (ret) {
pr_err("fail to get frequency\n");
return -EINVAL;
}
pr_info("%s %d\n", __func__, num);
ddata->frequency = num;
return count;
}
__visible_for_testing ssize_t multi_freq_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct sec_vibrator_drvdata *ddata = g_ddata;
if (!is_valid_params(dev, attr, buf, ddata))
return -ENODATA;
return snprintf(buf, VIB_BUFSIZE, "frequency: %d\n", ddata->frequency);
}
// TODO: need to update
__visible_for_testing ssize_t haptic_engine_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct sec_vibrator_drvdata *ddata = g_ddata;
int index = 0, _data = 0, tmp = 0;
if (!is_valid_params(dev, attr, buf, ddata))
return -ENODATA;
if (sscanf(buf, "%6d", &_data) != 1)
return count;
if (_data > PACKET_MAX_SIZE * VIB_PACKET_MAX) {
pr_info("%s, [%d] packet size over\n", __func__, _data);
return count;
}
ddata->packet_size = _data / VIB_PACKET_MAX;
ddata->packet_cnt = 0;
ddata->f_packet_en = true;
buf = strstr(buf, " ");
for (index = 0; index < ddata->packet_size; index++) {
for (tmp = 0; tmp < VIB_PACKET_MAX; tmp++) {
if (buf == NULL) {
pr_err("%s, buf is NULL, Please check packet data again\n", __func__);
ddata->f_packet_en = false;
return count;
}
if (sscanf(buf++, "%6d", &_data) != 1) {
pr_err("%s, packet data error, Please check packet data again\n", __func__);
ddata->f_packet_en = false;
return count;
}
switch (tmp) {
case VIB_PACKET_TIME:
ddata->vib_pac[index].time = _data;
break;
case VIB_PACKET_INTENSITY:
ddata->vib_pac[index].intensity = _data;
break;
case VIB_PACKET_FREQUENCY:
ddata->vib_pac[index].freq = _data;
break;
case VIB_PACKET_OVERDRIVE:
ddata->vib_pac[index].overdrive = _data;
break;
}
buf = strstr(buf, " ");
}
}
return count;
}
__visible_for_testing ssize_t haptic_engine_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct sec_vibrator_drvdata *ddata = g_ddata;
int index = 0;
size_t size = 0;
if (!is_valid_params(dev, attr, buf, ddata))
return -ENODATA;
for (index = 0; index < ddata->packet_size && ddata->f_packet_en &&
((4 * VIB_BUFSIZE + size) < PAGE_SIZE); index++) {
size += snprintf(&buf[size], VIB_BUFSIZE, "%u,", ddata->vib_pac[index].time);
size += snprintf(&buf[size], VIB_BUFSIZE, "%u,", ddata->vib_pac[index].intensity);
size += snprintf(&buf[size], VIB_BUFSIZE, "%u,", ddata->vib_pac[index].freq);
size += snprintf(&buf[size], VIB_BUFSIZE, "%u,", ddata->vib_pac[index].overdrive);
}
return size;
}
static ssize_t hybrid_haptic_engine_store(struct device *dev,
struct device_attribute *devattr, const char *buf, size_t count)
{
struct sec_vibrator_drvdata *ddata = (struct sec_vibrator_drvdata *)
dev_get_drvdata(dev);
int i = 0, _data = 0, tmp = 0, check_fifo = 0, origin_time = 0;
int way1_cmp_sum = 0, way2_cmp_sum = 0;
int normal_pac_time_sum = 0;
int compensation_way = VIB_NO_COMPEMSATION;
pr_info("%s +\n", __func__);
if (sscanf(buf, "%6d", &_data) != 1)
return count;
if (_data > PACKET_MAX_SIZE * VIB_PACKET_MAX)
pr_info("%s, [%d] packet size over\n", __func__, _data);
else {
ddata->packet_size = _data / VIB_PACKET_MAX;
ddata->packet_cnt = 0;
ddata->f_packet_en = true;
buf = strstr(buf, " ");
for (i = 0; i < ddata->packet_size; i++) {
check_fifo = 0;
for (tmp = 0; tmp < VIB_PACKET_MAX; tmp++) {
if (buf == NULL) {
pr_err("%s, buf is NULL, Please check packet data again\n",
__func__);
ddata->f_packet_en = false;
return count;
}
if (*(buf+1) == '#') {
buf = buf+2;
if ((*buf != '\0') && (sscanf(buf++, "%6d", &_data) == 1))
check_fifo = 1;
}
else if (sscanf(buf++, "%6d", &_data) != 1) {
pr_err("%s, packet data error, Please check packet data again\n",
__func__);
ddata->f_packet_en = false;
return count;
}
switch (tmp) {
case VIB_PACKET_TIME:
ddata->vib_pac[i].time = _data;
break;
case VIB_PACKET_INTENSITY:
ddata->vib_pac[i].intensity = _data;
break;
case VIB_PACKET_FREQUENCY:
ddata->vib_pac[i].freq = _data;
if (check_fifo == 0) {
ddata->vib_pac[i].fifo_flag = 0;
if (ddata->time_compensation && ddata->max_delay_ms) {
origin_time = ddata->vib_pac[i].time;
normal_pac_time_sum += origin_time;
way1_cmp_sum += (origin_time*ddata->time_compensation)/100;
way2_cmp_sum += ddata->max_delay_ms;
}
} else
ddata->vib_pac[i].fifo_flag = 1;
break;
case VIB_PACKET_OVERDRIVE:
ddata->vib_pac[i].overdrive = _data;
break;
}
buf = strstr(buf, " ");
}
}
if (ddata->time_compensation == 0 || way2_cmp_sum <= ddata->max_delay_ms) {
compensation_way = VIB_NO_COMPEMSATION;
} else if (way1_cmp_sum < way2_cmp_sum) {
compensation_way = VIB_COMPENSATION_WAY1;
pr_info("%s compensation way1:way1_cmp_sum=%d\n",
__func__, way1_cmp_sum);
} else {
compensation_way = VIB_COMPENSATION_WAY2;
pr_info("%s compensation way2:way2_cmp_sum=%d,normal_pac_time_sum=%d\n",
__func__, way2_cmp_sum, normal_pac_time_sum);
}
for (i = 0; i < ddata->packet_size; i++) {
if (ddata->vib_pac[i].fifo_flag == 1) {
pr_info("%s i=%d, file=%d time=%d intensity=%d\n", __func__, i,
ddata->vib_pac[i].freq,
ddata->vib_pac[i].time,
ddata->vib_pac[i].intensity);
continue;
}
origin_time = ddata->vib_pac[i].time;
if (compensation_way == VIB_COMPENSATION_WAY1)
ddata->vib_pac[i].time -= (origin_time*ddata->time_compensation)/100;
else if (compensation_way == VIB_COMPENSATION_WAY2 && normal_pac_time_sum != 0)
ddata->vib_pac[i].time -= (way2_cmp_sum*origin_time)/normal_pac_time_sum;
pr_info("%s i=%d, origin_time=%d->time=%d intensity=%d freq=%d\n",
__func__, i, origin_time,
ddata->vib_pac[i].time,
ddata->vib_pac[i].intensity,
ddata->vib_pac[i].freq);
}
}
pr_info("%s -\n", __func__);
return count;
}
static ssize_t hybrid_haptic_engine_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct sec_vibrator_drvdata *ddata = (struct sec_vibrator_drvdata *)
dev_get_drvdata(dev);
int i = 0;
size_t size = 0;
for (i = 0; i < ddata->packet_size && ddata->f_packet_en &&
((4 * VIB_BUFSIZE + size) < PAGE_SIZE); i++) {
size += snprintf(&buf[size], VIB_BUFSIZE, "%u,", ddata->vib_pac[i].time);
size += snprintf(&buf[size], VIB_BUFSIZE, "%u,", ddata->vib_pac[i].intensity);
size += snprintf(&buf[size], VIB_BUFSIZE, "%u,", ddata->vib_pac[i].freq);
size += snprintf(&buf[size], VIB_BUFSIZE, "%u,", ddata->vib_pac[i].overdrive);
}
return size;
}
__visible_for_testing ssize_t cp_trigger_index_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct sec_vibrator_drvdata *ddata = g_ddata;
int ret = 0;
if (!is_valid_params(dev, attr, buf, ddata))
return -ENODATA;
if (!ddata->vib_ops->get_cp_trigger_index)
return -ENOSYS;
ret = ddata->vib_ops->get_cp_trigger_index(ddata->dev, buf);
return ret;
}
__visible_for_testing ssize_t cp_trigger_index_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct sec_vibrator_drvdata *ddata = g_ddata;
int ret = 0;
unsigned int index;
if (!is_valid_params(dev, attr, buf, ddata))
return -ENODATA;
if (!ddata->vib_ops->set_cp_trigger_index)
return -ENOSYS;
ret = kstrtou32(buf, 10, &index);
if (ret)
return -EINVAL;
ddata->index = index;
ret = ddata->vib_ops->set_cp_trigger_index(ddata->dev, buf);
if (ret < 0)
pr_err("%s error(%d)\n", __func__, ret);
return count;
}
__visible_for_testing ssize_t cp_trigger_queue_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct sec_vibrator_drvdata *ddata = g_ddata;
int ret = 0;
if (!is_valid_params(dev, attr, buf, ddata))
return -ENODATA;
if (!ddata->vib_ops->get_cp_trigger_queue)
return -ENOSYS;
ret = ddata->vib_ops->get_cp_trigger_queue(ddata->dev, buf);
if (ret < 0)
pr_err("%s error(%d)\n", __func__, ret);
return ret;
}
__visible_for_testing ssize_t cp_trigger_queue_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct sec_vibrator_drvdata *ddata = g_ddata;
int ret = 0;
if (!is_valid_params(dev, attr, buf, ddata))
return -ENODATA;
if (!ddata->vib_ops->set_cp_trigger_queue)
return -ENOSYS;
ret = ddata->vib_ops->set_cp_trigger_queue(ddata->dev, buf);
if (ret < 0)
pr_err("%s error(%d)\n", __func__, ret);
return count;
}
__visible_for_testing ssize_t pwle_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct sec_vibrator_drvdata *ddata = g_ddata;
int ret = 0;
if (!is_valid_params(dev, attr, buf, ddata))
return -ENODATA;
if (!ddata->vib_ops->get_pwle)
return -ENOSYS;
ret = ddata->vib_ops->get_pwle(ddata->dev, buf);
if (ret < 0)
pr_err("%s error(%d)\n", __func__, ret);
return ret;
}
__visible_for_testing ssize_t pwle_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct sec_vibrator_drvdata *ddata = g_ddata;
int ret = 0;
if (!is_valid_params(dev, attr, buf, ddata))
return -ENODATA;
if (!ddata->vib_ops->set_pwle)
return -ENOSYS;
ret = ddata->vib_ops->set_pwle(ddata->dev, buf);
if (ret < 0)
pr_err("%s error(%d)\n", __func__, ret);
return count;
}
__visible_for_testing ssize_t virtual_composite_indexes_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct sec_vibrator_drvdata *ddata = g_ddata;
int ret = 0;
if (!is_valid_params(dev, attr, buf, ddata))
return -ENODATA;
if (!ddata->vib_ops->get_virtual_composite_indexes)
return -ENOSYS;
ret = ddata->vib_ops->get_virtual_composite_indexes(ddata->dev, buf);
if (ret < 0)
pr_err("%s error(%d)\n", __func__, ret);
return ret;
}
__visible_for_testing ssize_t virtual_pwle_indexes_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct sec_vibrator_drvdata *ddata = g_ddata;
int ret = 0;
if (!is_valid_params(dev, attr, buf, ddata))
return -ENODATA;
if (!ddata->vib_ops->get_virtual_pwle_indexes)
return -ENOSYS;
ret = ddata->vib_ops->get_virtual_pwle_indexes(ddata->dev, buf);
if (ret < 0)
pr_err("%s error(%d)\n", __func__, ret);
return ret;
}
__visible_for_testing ssize_t enable_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct sec_vibrator_drvdata *ddata = g_ddata;
struct hrtimer *timer = &ddata->timer;
int remaining = 0;
if (!is_valid_params(dev, attr, buf, ddata))
return -ENODATA;
if (hrtimer_active(timer)) {
ktime_t remain = hrtimer_get_remaining(timer);
struct timespec64 t = ns_to_timespec64(remain);
remaining = t.tv_sec * 1000 + t.tv_nsec / 1000;
}
return sprintf(buf, "%d\n", remaining);
}
__visible_for_testing ssize_t enable_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t size)
{
struct sec_vibrator_drvdata *ddata = g_ddata;
int value;
int ret;
if (!is_valid_params(dev, attr, buf, ddata))
return -ENODATA;
ret = kstrtoint(buf, 0, &value);
if (ret != 0)
return -EINVAL;
timed_output_enable(ddata, value);
return size;
}
__visible_for_testing ssize_t motor_type_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct sec_vibrator_drvdata *ddata = g_ddata;
int ret = 0;
if (!is_valid_params(dev, attr, buf, ddata))
return -ENODATA;
if (!ddata->vib_ops->get_motor_type)
return snprintf(buf, VIB_BUFSIZE, "NONE\n");
ret = ddata->vib_ops->get_motor_type(ddata->dev, buf);
return ret;
}
__visible_for_testing ssize_t use_sep_index_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t size)
{
struct sec_vibrator_drvdata *ddata = g_ddata;
int ret = 0;
bool use_sep_index;
if (!is_valid_params(dev, attr, buf, ddata))
return -ENODATA;
ret = kstrtobool(buf, &use_sep_index);
if (ret < 0) {
pr_err("%s kstrtobool error : %d\n", __func__, ret);
goto err;
}
pr_info("%s use_sep_index:%d\n", __func__, use_sep_index);
if (ddata->vib_ops->set_use_sep_index) {
ret = ddata->vib_ops->set_use_sep_index(ddata->dev, use_sep_index);
if (ret) {
pr_err("%s set_use_sep_index error : %d\n", __func__, ret);
goto err;
}
} else {
pr_info("%s this model doesn't need use_sep_index\n", __func__);
}
err:
return ret ? ret : size;
}
int sec_vibrator_recheck_ratio(struct sec_vibrator_drvdata *ddata)
{
int temp = ddata->temperature;
if (temp >= ddata->pdata->high_temp_ref)
return ddata->pdata->high_temp_ratio;
return ddata->pdata->normal_ratio;
}
EXPORT_SYMBOL_GPL(sec_vibrator_recheck_ratio);
__visible_for_testing ssize_t current_temp_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct sec_vibrator_drvdata *ddata = g_ddata;
if (!is_valid_params(dev, attr, buf, ddata))
return -ENODATA;
return sprintf(buf, "%d\n", ddata->temperature);
}
__visible_for_testing ssize_t current_temp_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct sec_vibrator_drvdata *ddata = g_ddata;
int temp, ret = 0;
if (!is_valid_params(dev, attr, buf, ddata))
return -ENODATA;
ret = kstrtos32(buf, 0, &temp);
if (ret < 0) {
pr_err("%s kstrtos32 error : %d\n", __func__, ret);
ddata->temperature = INT_MIN;
goto err;
}
ddata->temperature = temp;
pr_info("%s temperature : %d\n", __func__, ddata->temperature);
err:
return ret ? ret : count;
}
__visible_for_testing ssize_t num_waves_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct sec_vibrator_drvdata *ddata = g_ddata;
int ret = 0;
if (!is_valid_params(dev, attr, buf, ddata))
return -ENODATA;
if (!ddata->vib_ops->get_num_waves)
return -ENOSYS;
ret = ddata->vib_ops->get_num_waves(ddata->dev, buf);
return ret;
}
__visible_for_testing ssize_t array2str(char *buf, int *arr_intensity, int size)
{
int index, ret = 0;
char *str_buf = NULL;
struct sec_vibrator_drvdata *ddata = g_ddata;
if (!buf || !ddata)
return -ENODATA;
if (!arr_intensity || ((size < 1) && (size > kMaxHapticStepSize)))
return -EINVAL;
str_buf = kzalloc(kMaxBufSize, GFP_KERNEL);
if (!str_buf)
return -ENOMEM;
mutex_lock(&ddata->vib_mutex);
for (index = 0; index < size; index++) {
if (index < (size - 1))
snprintf(str_buf, kMaxBufSize, "%u,", arr_intensity[index]);
else
snprintf(str_buf, (kMaxBufSize - 1), "%u", arr_intensity[index]);
strncat(buf, str_buf, strlen(str_buf));
}
strncat(buf, str_newline, strlen(str_newline));
ret = strlen(buf);
mutex_unlock(&ddata->vib_mutex);
kfree(str_buf);
return ret;
}
__visible_for_testing ssize_t intensities_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct sec_vibrator_drvdata *ddata = g_ddata;
int *arr_intensity = NULL;
int ret = 0, step_size = 0;
pr_info("%s\n", __func__);
if (!is_valid_params(dev, attr, buf, ddata))
return -ENODATA;
if (!ddata->vib_ops->get_step_size || !ddata->vib_ops->get_intensities)
return -EOPNOTSUPP;
ret = ddata->vib_ops->get_step_size(ddata->dev, &step_size);
if (ret)
return -EINVAL;
arr_intensity = kmalloc_array(kMaxHapticStepSize, sizeof(int), GFP_KERNEL);
if (!arr_intensity)
return -ENOMEM;
if ((step_size > 0) && (step_size < kMaxHapticStepSize)) {
ret = ddata->vib_ops->get_intensities(ddata->dev, arr_intensity);
if (ret) {
ret = -EINVAL;
goto err_arr_alloc;
}
ret = array2str(buf, arr_intensity, step_size);
} else {
ret = -EINVAL;
}
err_arr_alloc:
kfree(arr_intensity);
return ret;
}
__visible_for_testing ssize_t haptic_intensities_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct sec_vibrator_drvdata *ddata = g_ddata;
int *arr_intensity = NULL;
int ret = 0, step_size = 0;
pr_info("%s\n", __func__);
if (!is_valid_params(dev, attr, buf, ddata))
return -ENODATA;
if (!ddata->vib_ops->get_step_size || !ddata->vib_ops->get_haptic_intensities)
return -EOPNOTSUPP;
ret = ddata->vib_ops->get_step_size(ddata->dev, &step_size);
if (ret)
return -EINVAL;
arr_intensity = kmalloc_array(kMaxHapticStepSize, sizeof(int), GFP_KERNEL);
if (!arr_intensity)
return -ENOMEM;
if ((step_size > 0) && (step_size < kMaxHapticStepSize)) {
ret = ddata->vib_ops->get_haptic_intensities(ddata->dev, arr_intensity);
if (ret) {
ret = -EINVAL;
goto err_arr_alloc;
}
ret = array2str(buf, arr_intensity, step_size);
} else {
ret = -EINVAL;
}
err_arr_alloc:
kfree(arr_intensity);
return ret;
}
__visible_for_testing ssize_t haptic_durations_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct sec_vibrator_drvdata *ddata = g_ddata;
int *arr_duration = NULL;
int ret = 0, step_size = 0;
pr_info("%s\n", __func__);
if (!is_valid_params(dev, attr, buf, ddata))
return -ENODATA;
if (!ddata->vib_ops->get_step_size || !ddata->vib_ops->get_haptic_durations)
return -EOPNOTSUPP;
ret = ddata->vib_ops->get_step_size(ddata->dev, &step_size);
if (ret)
return -EINVAL;
arr_duration = kmalloc_array(kMaxHapticStepSize, sizeof(int), GFP_KERNEL);
if (!arr_duration)
return -ENOMEM;
if ((step_size > 0) && (step_size < kMaxHapticStepSize)) {
ret = ddata->vib_ops->get_haptic_durations(ddata->dev, arr_duration);
if (ret) {
ret = -EINVAL;
goto err_arr_alloc;
}
ret = array2str(buf, arr_duration, step_size);
} else {
ret = -EINVAL;
}
err_arr_alloc:
kfree(arr_duration);
return ret;
}
__visible_for_testing int get_event_index_by_command(char *cur_cmd)
{
int cmd_idx;
for (cmd_idx = 0; cmd_idx < EVENT_CMD_MAX; cmd_idx++) {
if (!strcmp(cur_cmd, sec_vib_event_cmd[cmd_idx]))
return cmd_idx;
}
return EVENT_CMD_NONE;
}
__visible_for_testing ssize_t event_cmd_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct sec_vibrator_drvdata *ddata = g_ddata;
pr_info("%s event: %s\n", __func__, vib_event_cmd);
if (!is_valid_params(dev, attr, buf, ddata))
return -ENODATA;
return snprintf(buf, MAX_STR_LEN_EVENT_CMD, "%s\n", vib_event_cmd);
}
__visible_for_testing ssize_t event_cmd_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct sec_vibrator_drvdata *ddata = g_ddata;
char *cmd;
int ret = 0;
int event_idx;
if (!is_valid_params(dev, attr, buf, ddata))
return -ENODATA;
if (!ddata->vib_ops->set_event_cmd)
return -ENOSYS;
if (count >= MAX_STR_LEN_EVENT_CMD) {
pr_err("%s: size(%zu) is too long.\n", __func__, count);
goto error;
}
cmd = kzalloc(count + 1, GFP_KERNEL);
if (!cmd)
goto error;
ret = sscanf(buf, "%s", cmd);
if (ret != 1)
goto error1;
event_idx = get_event_index_by_command(cmd);
pr_info("%s: event: %s(%d)\n", __func__, cmd, event_idx);
ret = ddata->vib_ops->set_event_cmd(ddata->dev, event_idx);
if (ret)
pr_err("%s error(%d)\n", __func__, ret);
sscanf(cmd, "%s", vib_event_cmd);
error1:
kfree(cmd);
error:
return count;
}
static DEVICE_ATTR_RW(haptic_engine);
static DEVICE_ATTR_RW(multi_freq);
static DEVICE_ATTR_RW(intensity);
static DEVICE_ATTR_RW(cp_trigger_index);
static DEVICE_ATTR_RW(cp_trigger_queue);
static DEVICE_ATTR_RW(pwle);
static DEVICE_ATTR_RO(virtual_composite_indexes);
static DEVICE_ATTR_RO(virtual_pwle_indexes);
static DEVICE_ATTR_RW(enable);
static DEVICE_ATTR_RW(default_duty);
static DEVICE_ATTR_RW(fold_open_duty);
static DEVICE_ATTR_RW(fold_close_duty);
static DEVICE_ATTR_RO(motor_type);
static DEVICE_ATTR_WO(use_sep_index);
static DEVICE_ATTR_RW(current_temp);
static DEVICE_ATTR_RW(fifo);
static DEVICE_ATTR_RW(hybrid_haptic_engine);
static DEVICE_ATTR_RO(num_waves);
static DEVICE_ATTR_RO(intensities);
static DEVICE_ATTR_RO(haptic_intensities);
static DEVICE_ATTR_RO(haptic_durations);
static DEVICE_ATTR_RW(event_cmd);
static struct attribute *sec_vibrator_attributes[] = {
&dev_attr_enable.attr,
&dev_attr_default_duty.attr,
&dev_attr_fold_open_duty.attr,
&dev_attr_fold_close_duty.attr,
&dev_attr_motor_type.attr,
&dev_attr_use_sep_index.attr,
&dev_attr_current_temp.attr,
&dev_attr_fifo.attr,
&dev_attr_hybrid_haptic_engine.attr,
NULL,
};
static struct attribute_group sec_vibrator_attr_group = {
.attrs = sec_vibrator_attributes,
};
static struct attribute *multi_freq_attributes[] = {
&dev_attr_haptic_engine.attr,
&dev_attr_multi_freq.attr,
NULL,
};
static struct attribute_group multi_freq_attr_group = {
.attrs = multi_freq_attributes,
};
static struct attribute *cp_trigger_attributes[] = {
&dev_attr_haptic_engine.attr,
&dev_attr_num_waves.attr,
&dev_attr_cp_trigger_index.attr,
&dev_attr_cp_trigger_queue.attr,
NULL,
};
static struct attribute_group cp_trigger_attr_group = {
.attrs = cp_trigger_attributes,
};
static struct attribute *pwle_attributes[] = {
&dev_attr_pwle.attr,
&dev_attr_virtual_composite_indexes.attr,
&dev_attr_virtual_pwle_indexes.attr,
NULL,
};
static struct attribute_group pwle_attr_group = {
.attrs = pwle_attributes,
};
int sec_vibrator_register(struct sec_vibrator_drvdata *ddata)
{
struct task_struct *kworker_task;
int ret = 0;
if (!ddata) {
pr_err("%s no ddata\n", __func__);
return -ENODEV;
}
g_ddata = ddata;
mutex_init(&ddata->vib_mutex);
kthread_init_worker(&ddata->kworker);
kworker_task = kthread_run(kthread_worker_fn, &ddata->kworker, "sec_vibrator");
if (IS_ERR(kworker_task)) {
pr_err("Failed to create message pump task\n");
ret = -ENOMEM;
goto err_kthread;
}
kthread_init_work(&ddata->kwork, sec_vibrator_work);
hrtimer_init(&ddata->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
ddata->timer.function = haptic_timer_func;
/* create /sys/class/timed_output/vibrator */
ddata->to_class = class_create(THIS_MODULE, "timed_output");
if (IS_ERR(ddata->to_class)) {
ret = PTR_ERR(ddata->to_class);
goto err_class_create;
}
ddata->to_dev = device_create(ddata->to_class, NULL, MKDEV(0, 0), ddata, "vibrator");
if (IS_ERR(ddata->to_dev)) {
ret = PTR_ERR(ddata->to_dev);
goto err_device_create;
}
ret = sysfs_create_group(&ddata->to_dev->kobj, &sec_vibrator_attr_group);
if (ret) {
ret = -ENODEV;
pr_err("Failed to create sysfs1 %d\n", ret);
goto err_sysfs1;
}
if (ddata->vib_ops->set_intensity) {
ret = sysfs_create_file(&ddata->to_dev->kobj, &dev_attr_intensity.attr);
if (ret) {
ret = -ENODEV;
pr_err("Failed to create sysfs2 %d\n", ret);
goto err_sysfs2;
}
ddata->intensity = MAX_INTENSITY;
}
if (ddata->vib_ops->set_frequency) {
ret = sysfs_create_group(&ddata->to_dev->kobj, &multi_freq_attr_group);
if (ret) {
ret = -ENODEV;
pr_err("Failed to create sysfs3 %d\n", ret);
goto err_sysfs3;
}
ddata->frequency = FREQ_ALERT;
}
if (ddata->vib_ops->set_cp_trigger_index) {
ret = sysfs_create_group(&ddata->to_dev->kobj, &cp_trigger_attr_group);
if (ret) {
ret = -ENODEV;
pr_err("Failed to create sysfs4 %d\n", ret);
goto err_sysfs4;
}
}
if (ddata->vib_ops->set_pwle) {
ret = sysfs_create_group(&ddata->to_dev->kobj, &pwle_attr_group);
if (ret) {
ret = -ENODEV;
pr_err("Failed to create sysfs5 %d\n", ret);
goto err_sysfs5;
}
}
if (ddata->vib_ops->set_event_cmd) {
/* initialize event_cmd string for HAL init */
sscanf(ddata->event_cmd, "%s", vib_event_cmd);
pr_info("%s: vib_event_cmd: %s\n", __func__, vib_event_cmd);
ret = sysfs_create_file(&ddata->to_dev->kobj, &dev_attr_event_cmd.attr);
if (ret) {
ret = -ENODEV;
pr_err("Failed to create sysfs6 %d\n", ret);
goto err_sysfs6;
}
}
if (ddata->vib_ops->get_calibration && ddata->vib_ops->get_calibration(ddata->dev)) {
if (ddata->vib_ops->get_intensities) {
ret = sysfs_create_file(&ddata->to_dev->kobj, &dev_attr_intensities.attr);
if (ret) {
ret = -ENODEV;
pr_err("Failed to create intensities %d\n", ret);
goto err_cal1;
}
}
if (ddata->vib_ops->get_haptic_intensities) {
ret = sysfs_create_file(&ddata->to_dev->kobj, &dev_attr_haptic_intensities.attr);
if (ret) {
ret = -ENODEV;
pr_err("Failed to create haptic_intensities %d\n", ret);
goto err_cal2;
}
}
if (ddata->vib_ops->get_haptic_durations) {
ret = sysfs_create_file(&ddata->to_dev->kobj, &dev_attr_haptic_durations.attr);
if (ret) {
ret = -ENODEV;
pr_err("Failed to create haptic_intensities %d\n", ret);
goto err_cal3;
}
}
}
ddata->pdata = &sec_vibrator_pdata;
pr_info("%s done\n", __func__);
ddata->is_registered = true;
return ret;
err_cal3:
if (ddata->vib_ops->get_calibration && ddata->vib_ops->get_calibration(ddata->dev)) {
if (ddata->vib_ops->get_haptic_intensities)
sysfs_remove_file(&ddata->to_dev->kobj, &dev_attr_haptic_intensities.attr);
}
err_cal2:
if (ddata->vib_ops->get_calibration && ddata->vib_ops->get_calibration(ddata->dev)) {
if (ddata->vib_ops->get_intensities)
sysfs_remove_file(&ddata->to_dev->kobj, &dev_attr_intensities.attr);
}
err_cal1:
if (ddata->vib_ops->set_event_cmd)
sysfs_remove_file(&ddata->to_dev->kobj, &dev_attr_event_cmd.attr);
err_sysfs6:
if (ddata->vib_ops->set_pwle)
sysfs_remove_group(&ddata->to_dev->kobj, &pwle_attr_group);
err_sysfs5:
if (ddata->vib_ops->set_cp_trigger_index)
sysfs_remove_group(&ddata->to_dev->kobj, &cp_trigger_attr_group);
err_sysfs4:
if (ddata->vib_ops->set_frequency)
sysfs_remove_group(&ddata->to_dev->kobj, &multi_freq_attr_group);
err_sysfs3:
if (ddata->vib_ops->set_intensity)
sysfs_remove_file(&ddata->to_dev->kobj, &dev_attr_intensity.attr);
err_sysfs2:
sysfs_remove_group(&ddata->to_dev->kobj, &sec_vibrator_attr_group);
err_sysfs1:
device_destroy(ddata->to_class, MKDEV(0, 0));
err_device_create:
class_destroy(ddata->to_class);
err_class_create:
err_kthread:
mutex_destroy(&ddata->vib_mutex);
return ret;
}
EXPORT_SYMBOL_GPL(sec_vibrator_register);
int sec_vibrator_unregister(struct sec_vibrator_drvdata *ddata)
{
if (!ddata || !ddata->is_registered) {
pr_info("%s: sec_vibrator not registered, just return\n", __func__);
return -ENODEV;
}
sec_vibrator_haptic_disable(ddata);
g_ddata = NULL;
if (ddata->vib_ops->get_calibration && ddata->vib_ops->get_calibration(ddata->dev)) {
if (ddata->vib_ops->get_haptic_intensities)
sysfs_remove_file(&ddata->to_dev->kobj, &dev_attr_haptic_intensities.attr);
if (ddata->vib_ops->get_intensities)
sysfs_remove_file(&ddata->to_dev->kobj, &dev_attr_intensities.attr);
}
if (ddata->vib_ops->set_event_cmd)
sysfs_remove_file(&ddata->to_dev->kobj, &dev_attr_event_cmd.attr);
if (ddata->vib_ops->set_pwle)
sysfs_remove_group(&ddata->to_dev->kobj, &pwle_attr_group);
if (ddata->vib_ops->set_cp_trigger_index)
sysfs_remove_group(&ddata->to_dev->kobj, &cp_trigger_attr_group);
if (ddata->vib_ops->set_frequency)
sysfs_remove_group(&ddata->to_dev->kobj, &multi_freq_attr_group);
if (ddata->vib_ops->set_intensity)
sysfs_remove_file(&ddata->to_dev->kobj, &dev_attr_intensity.attr);
sysfs_remove_group(&ddata->to_dev->kobj, &sec_vibrator_attr_group);
device_destroy(ddata->to_class, MKDEV(0, 0));
class_destroy(ddata->to_class);
mutex_destroy(&ddata->vib_mutex);
return 0;
}
EXPORT_SYMBOL_GPL(sec_vibrator_unregister);
static int sec_vibrator_parse_dt(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
int ret = 0;
int temp;
pr_info("%s +++\n", __func__);
if (unlikely(!np)) {
pr_err("err: could not parse dt node\n");
return -ENODEV;
}
ret = of_property_read_u32(np, "haptic,normal_ratio", &temp);
if (ret) {
pr_err("%s: WARNING! normal_ratio not found\n", __func__);
sec_vibrator_pdata.normal_ratio = 100; // 100%
} else
sec_vibrator_pdata.normal_ratio = (int)temp;
ret = of_property_read_u32(np, "haptic,high_temp_ref", &temp);
if (ret) {
pr_info("%s: high temperature concept isn't used\n", __func__);
sec_vibrator_pdata.high_temp_ref = SEC_VIBRATOR_DEFAULT_HIGH_TEMP_REF;
} else {
sec_vibrator_pdata.high_temp_ref = (int)temp;
ret = of_property_read_u32(np, "haptic,high_temp_ratio", &temp);
if (ret) {
pr_info("%s: high_temp_ratio isn't used\n", __func__);
sec_vibrator_pdata.high_temp_ratio = SEC_VIBRATOR_DEFAULT_HIGH_TEMP_RATIO;
} else
sec_vibrator_pdata.high_temp_ratio = (int)temp;
}
pr_info("%s : done! ---\n", __func__);
return 0;
}
static int sec_vibrator_probe(struct platform_device *pdev)
{
pr_info("%s +++\n", __func__);
if (unlikely(sec_vibrator_parse_dt(pdev)))
pr_err("%s: WARNING!>..parse dt failed\n", __func__);
sec_vibrator_pdata.probe_done = true;
pr_info("%s : done! ---\n", __func__);
return 0;
}
static const struct of_device_id sec_vibrator_id[] = {
{ .compatible = "sec_vibrator" },
{ }
};
static struct platform_driver sec_vibrator_driver = {
.probe = sec_vibrator_probe,
.driver = {
.name = "sec_vibrator",
.owner = THIS_MODULE,
.of_match_table = sec_vibrator_id,
},
};
module_platform_driver(sec_vibrator_driver);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("sec vibrator driver");