156 lines
3.6 KiB
C
156 lines
3.6 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2019 MediaTek Inc.
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*/
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#define pr_fmt(fmt) "[lacchub] " fmt
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#include <hwmsensor.h>
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#include "linearacchub.h"
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#include <fusion.h>
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#include <SCP_sensorHub.h>
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#include <linux/notifier.h>
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enum LNACCHUB_TRC {
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LNACCHUB_TRC_INFO = 0X10,
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};
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static struct fusion_init_info linearacchub_init_info;
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static int linearacc_get_data(int *x, int *y, int *z,
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int *scalar, int *status)
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{
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int err = 0;
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struct data_unit_t data;
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uint64_t time_stamp = 0;
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err = sensor_get_data_from_hub(ID_LINEAR_ACCELERATION, &data);
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if (err < 0) {
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pr_err("sensor_get_data_from_hub fail!!\n");
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return -1;
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}
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time_stamp = data.time_stamp;
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*x = data.accelerometer_t.x;
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*y = data.accelerometer_t.y;
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*z = data.accelerometer_t.z;
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*status = data.accelerometer_t.status;
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return 0;
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}
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static int linearacc_open_report_data(int open)
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{
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return 0;
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}
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static int linearacc_enable_nodata(int en)
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{
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return sensor_enable_to_hub(ID_LINEAR_ACCELERATION, en);
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}
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static int linearacc_set_delay(u64 delay)
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{
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#if defined CONFIG_MTK_SCP_SENSORHUB_V1
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unsigned int delayms = 0;
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delayms = delay / 1000 / 1000;
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return sensor_set_delay_to_hub(ID_LINEAR_ACCELERATION, delayms);
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#elif defined CONFIG_NANOHUB
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return 0;
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#else
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return 0;
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#endif
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}
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static int linearacc_batch(int flag,
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int64_t samplingPeriodNs, int64_t maxBatchReportLatencyNs)
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{
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#if defined CONFIG_MTK_SCP_SENSORHUB_V1
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linearacc_set_delay(samplingPeriodNs);
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#endif
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return sensor_batch_to_hub(ID_LINEAR_ACCELERATION,
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flag, samplingPeriodNs, maxBatchReportLatencyNs);
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}
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static int linearacc_flush(void)
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{
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return sensor_flush_to_hub(ID_LINEAR_ACCELERATION);
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}
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static int linearacc_recv_data(struct data_unit_t *event, void *reserved)
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{
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int err = 0;
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if (event->flush_action == DATA_ACTION)
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err = la_data_report(event->accelerometer_t.x,
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event->accelerometer_t.y, event->accelerometer_t.z,
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event->accelerometer_t.status,
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(int64_t)event->time_stamp);
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else if (event->flush_action == FLUSH_ACTION)
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err = la_flush_report();
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return err;
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}
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static int linearacchub_local_init(void)
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{
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struct fusion_control_path ctl = {0};
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struct fusion_data_path data = {0};
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int err = 0;
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ctl.open_report_data = linearacc_open_report_data;
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ctl.enable_nodata = linearacc_enable_nodata;
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ctl.set_delay = linearacc_set_delay;
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ctl.batch = linearacc_batch;
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ctl.flush = linearacc_flush;
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#if defined CONFIG_MTK_SCP_SENSORHUB_V1
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ctl.is_report_input_direct = true;
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ctl.is_support_batch = false;
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#elif defined CONFIG_NANOHUB
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ctl.is_report_input_direct = true;
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ctl.is_support_batch = false;
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#else
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#endif
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err = fusion_register_control_path(&ctl, ID_LINEAR_ACCELERATION);
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if (err) {
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pr_err("register linearacc control path err\n");
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goto exit;
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}
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data.get_data = linearacc_get_data;
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data.vender_div = 1000;
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err = fusion_register_data_path(&data, ID_LINEAR_ACCELERATION);
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if (err) {
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pr_err("register linearacc data path err\n");
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goto exit;
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}
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err = scp_sensorHub_data_registration(ID_LINEAR_ACCELERATION,
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linearacc_recv_data);
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if (err < 0) {
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pr_err("SCP_sensorHub_data_registration failed\n");
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goto exit;
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}
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return 0;
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exit:
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return -1;
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}
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static int linearacchub_local_uninit(void)
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{
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return 0;
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}
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static struct fusion_init_info linearacchub_init_info = {
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.name = "linearacc_hub",
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.init = linearacchub_local_init,
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.uninit = linearacchub_local_uninit,
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};
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static int __init linearacchub_init(void)
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{
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fusion_driver_add(&linearacchub_init_info, ID_LINEAR_ACCELERATION);
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return 0;
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}
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static void __exit linearacchub_exit(void)
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{
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pr_debug("%s\n", __func__);
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}
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module_init(linearacchub_init);
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module_exit(linearacchub_exit);
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MODULE_LICENSE("GPL");
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MODULE_DESCRIPTION("ACTIVITYHUB driver");
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MODULE_AUTHOR("hongxu.zhao@mediatek.com");
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