1 files changed, 0 insertions, 612 deletions

diff --git a/libsensors/akm8975.c b/libsensors/akm8975.c
deleted file mode 100644
index 47771fb..0000000
--- a/libsensors/akm8975.c
+++ /dev/null
@@ -1,612 +0,0 @@
-/*
- * Copyright (C) 2013 Paul Kocialkowski <contact@paulk.fr>
- * Copyright (C) 2012 Asahi Kasei Microdevices Corporation, Japan
- *
- * 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 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <stdlib.h>
-#include <unistd.h>
-#include <stdint.h>
-#include <fcntl.h>
-#include <errno.h>
-
-#include <hardware/sensors.h>
-#include <hardware/hardware.h>
-
-#define LOG_TAG "smdk4x12_sensors"
-#include <utils/Log.h>
-
-#include "smdk4x12_sensors.h"
-#include "ak8975.h"
-#include "ak8975-reg.h"
-
-#include <AKFS_Compass.h>
-#include <AKFS_FileIO.h>
-
-#define AKFS_CONFIG_PATH	"/data/misc/akfs.txt"
-#define AKFS_PAT		PAT3
-
-struct akm8975_data {
-	AK8975PRMS akfs_params;
-	sensors_vec_t magnetic;
-
-	int64_t delay;
-	int device_fd;
-	int uinput_fd;
-
-	pthread_t thread;
-	pthread_mutex_t mutex;
-	int thread_continue;
-};
-
-int akfs_get_magnetic_field(struct akm8975_data *akm8975_data, short *magnetic_data)
-{
-	AK8975PRMS *params;
-	int rc, aocret;
-	float radius;
-
-	if (akm8975_data == NULL || magnetic_data == NULL)
-		return -EINVAL;
-
-	params = &akm8975_data->akfs_params;
-
-	// Decomposition
-	// Sensitivity adjustment, i.e. multiply ASA, is done in this function.
-	rc = AKFS_DecompAK8975(magnetic_data, 1, &params->mi_asa, AKFS_HDATA_SIZE, params->mfv_hdata);
-	if (rc == AKFS_ERROR) {
-		ALOGE("Failed to decomp!");
-		return -1;
-	}
-
-	// Adjust coordination
-	rc = AKFS_Rotate(params->m_hpat, &params->mfv_hdata[0]);
-	if (rc == AKFS_ERROR) {
-		ALOGE("Failed to rotate!");
-		return -1;
-	}
-
-	// AOC for magnetometer
-	// Offset estimation is done in this function
-	aocret = AKFS_AOC(&params->m_aocv, params->mfv_hdata, &params->mfv_ho);
-
-	// Subtract offset
-	// Then, a magnetic vector, the unit is uT, is stored in mfv_hvbuf.
-	rc = AKFS_VbNorm(AKFS_HDATA_SIZE, params->mfv_hdata, 1,
-		&params->mfv_ho, &params->mfv_hs, AK8975_HSENSE_TARGET,
-		AKFS_HDATA_SIZE, params->mfv_hvbuf);
-	if (rc == AKFS_ERROR) {
-		ALOGE("Failed to normalize!");
-		return -1;
-	}
-
-	// Averaging
-	rc = AKFS_VbAve(AKFS_HDATA_SIZE, params->mfv_hvbuf, CSPEC_HNAVE_V, &params->mfv_hvec);
-	if (rc == AKFS_ERROR) {
-		ALOGE("Failed to average!");
-		return -1;
-	}
-
-	// Check the size of magnetic vector
-	radius = sqrtf(
-			(params->mfv_hvec.u.x * params->mfv_hvec.u.x) +
-			(params->mfv_hvec.u.y * params->mfv_hvec.u.y) +
-			(params->mfv_hvec.u.z * params->mfv_hvec.u.z));
-
-	// Sanity check result and set accuracy
-	if ((radius > MAGNETIC_FIELD_EARTH_MAX + 10) || (radius < MAGNETIC_FIELD_EARTH_MIN - 10)) {
-		params->mi_hstatus = SENSOR_STATUS_UNRELIABLE;
-	} else if(params->mi_hstatus == SENSOR_STATUS_UNRELIABLE) {
-		params->mi_hstatus = SENSOR_STATUS_ACCURACY_MEDIUM;
-	} else if (aocret == AKFS_SUCCESS) {
-		params->mi_hstatus = SENSOR_STATUS_ACCURACY_HIGH;
-	}
-
-	akm8975_data->magnetic.x = params->mfv_hvec.u.x;
-	akm8975_data->magnetic.y = params->mfv_hvec.u.y;
-	akm8975_data->magnetic.z = params->mfv_hvec.u.z;
-	akm8975_data->magnetic.status = params->mi_hstatus;
-
-	return 0;
-}
-
-int akfs_init(struct akm8975_data *akm8975_data, char *asa, AKFS_PATNO pat)
-{
-	AK8975PRMS *params;
-
-	if (akm8975_data == NULL || asa == NULL)
-		return -EINVAL;
-
-	params = &akm8975_data->akfs_params;
-
-	memset(params, 0, sizeof(AK8975PRMS));
-
-	// Sensitivity
-	params->mfv_hs.u.x = AK8975_HSENSE_DEFAULT;
-	params->mfv_hs.u.y = AK8975_HSENSE_DEFAULT;
-	params->mfv_hs.u.z = AK8975_HSENSE_DEFAULT;
-	params->mfv_as.u.x = AK8975_ASENSE_DEFAULT;
-	params->mfv_as.u.y = AK8975_ASENSE_DEFAULT;
-	params->mfv_as.u.z = AK8975_ASENSE_DEFAULT;
-
-	// Initialize variables that initial value is not 0.
-	params->mi_hnaveV = CSPEC_HNAVE_V;
-	params->mi_hnaveD = CSPEC_HNAVE_D;
-	params->mi_anaveV = CSPEC_ANAVE_V;
-	params->mi_anaveD = CSPEC_ANAVE_D;
-
-	// Copy ASA values
-	params->mi_asa.u.x = asa[0];
-	params->mi_asa.u.y = asa[1];
-	params->mi_asa.u.z = asa[2];
-
-	// Copy layout pattern
-	params->m_hpat = pat;
-
-	return 0;
-}
-
-void *akm8975_thread(void *thread_data)
-{
-	struct smdk4x12_sensors_handlers *handlers = NULL;
-	struct akm8975_data *data = NULL;
-	struct input_event event;
-	struct timeval time;
-	char i2c_data[SENSOR_DATA_SIZE] = { 0 };
-	short magnetic_data[3];
-	short mode;
-	int64_t before, after;
-	int diff;
-	int device_fd;
-	int uinput_fd;
-	int rc;
-
-	if (thread_data == NULL)
-		return NULL;
-
-	handlers = (struct smdk4x12_sensors_handlers *) thread_data;
-	if (handlers->data == NULL)
-		return NULL;
-
-	data = (struct akm8975_data *) handlers->data;
-
-	device_fd = data->device_fd;
-	if (device_fd < 0)
-		return NULL;
-
-	uinput_fd = data->uinput_fd;
-	if (uinput_fd < 0)
-		return NULL;
-
-	while (data->thread_continue) {
-		pthread_mutex_lock(&data->mutex);
-		if (!data->thread_continue)
-			break;
-
-		while (handlers->activated) {
-			gettimeofday(&time, NULL);
-			before = timestamp(&time);
-
-			mode = AK8975_MODE_SNG_MEASURE;
-			rc = ioctl(device_fd, ECS_IOCTL_SET_MODE, &mode);
-			if (rc < 0) {
-				ALOGE("%s: Unable to set akm8975 mode", __func__);
-				return NULL;
-			}
-
-			memset(&i2c_data, 0, sizeof(i2c_data));
-			rc = ioctl(device_fd, ECS_IOCTL_GETDATA, &i2c_data);
-			if (rc < 0) {
-				ALOGE("%s: Unable to get akm8975 data", __func__);
-				return NULL;
-			}
-
-			if (!(i2c_data[0] & 0x01)) {
-				ALOGE("%s: akm8975 data is not ready", __func__);
-				continue;
-			}
-
-			if (i2c_data[7] & (1 << 2) || i2c_data[7] & (1 << 3)) {
-				ALOGE("%s: akm8975 data read error or overflow", __func__);
-				continue;
-			}
-
-			magnetic_data[0] = (short) (i2c_data[2] << 8) | (i2c_data[1]);
-			magnetic_data[1] = (short) (i2c_data[4] << 8) | (i2c_data[3]);
-			magnetic_data[2] = (short) (i2c_data[6] << 8) | (i2c_data[5]);
-
-			rc = akfs_get_magnetic_field(data, (short *) &magnetic_data);
-			if (rc < 0) {
-				ALOGE("%s: Unable to get AKFS magnetic field", __func__);
-				continue;
-			}
-
-			input_event_set(&event, EV_REL, REL_X, (int) (data->magnetic.x * 1000));
-			write(uinput_fd, &event, sizeof(event));
-			input_event_set(&event, EV_REL, REL_Y, (int) (data->magnetic.y * 1000));
-			write(uinput_fd, &event, sizeof(event));
-			input_event_set(&event, EV_REL, REL_Z, (int) (data->magnetic.z * 1000));
-			write(uinput_fd, &event, sizeof(event));
-			input_event_set(&event, EV_REL, REL_MISC, (int) data->magnetic.status);
-			write(uinput_fd, &event, sizeof(event));
-			input_event_set(&event, EV_SYN, 0, 0);
-			write(uinput_fd, &event, sizeof(event));
-
-			gettimeofday(&time, NULL);
-			after = timestamp(&time);
-
-			diff = (int) (data->delay - (after - before)) / 1000;
-			if (diff <= 0)
-				continue;
-
-			usleep(diff);
-		}
-	}
-	return NULL;
-}
-
-int akm8975_init(struct smdk4x12_sensors_handlers *handlers,
-	struct smdk4x12_sensors_device *device)
-{
-	struct akm8975_data *data = NULL;
-	pthread_attr_t thread_attr;
-	char i2c_data[RWBUF_SIZE] = { 0 };
-	short mode;
-	int device_fd = -1;
-	int uinput_fd = -1;
-	int input_fd = -1;
-	int rc;
-	int i;
-
-	ALOGD("%s(%p, %p)", __func__, handlers, device);
-
-	if (handlers == NULL || device == NULL)
-		return -EINVAL;
-
-	data = (struct akm8975_data *) calloc(1, sizeof(struct akm8975_data));
-
-	device_fd = open("/dev/akm8975", O_RDONLY);
-	if (device_fd < 0) {
-		ALOGE("%s: Unable to open device", __func__);
-		goto error;
-	}
-
-	mode = AK8975_MODE_POWER_DOWN;
-	rc = ioctl(device_fd, ECS_IOCTL_SET_MODE, &mode);
-	if (rc < 0) {
-		ALOGE("%s: Unable to set akm8975 mode", __func__);
-		goto error;
-	}
-
-	mode = AK8975_MODE_FUSE_ACCESS;
-	rc = ioctl(device_fd, ECS_IOCTL_SET_MODE, &mode);
-	if (rc < 0) {
-		ALOGE("%s: Unable to set akm8975 mode", __func__);
-		goto error;
-	}
-
-	i2c_data[0] = 3;
-	i2c_data[1] = AK8975_FUSE_ASAX;
-	rc = ioctl(device_fd, ECS_IOCTL_READ, &i2c_data);
-	if (rc < 0) {
-		ALOGE("%s: Unable to read akm8975 FUSE data", __func__);
-		goto error;
-	}
-
-	ALOGD("AKM8975 ASA (Sensitivity Adjustment) values are: (%d, %d, %d)",
-		i2c_data[1], i2c_data[2], i2c_data[3]);
-
-	rc = akfs_init(data, &i2c_data[1], AKFS_PAT);
-	if (rc < 0) {
-		ALOGE("%s: Unable to init AKFS", __func__);
-		goto error;
-	}
-
-	i2c_data[0] = 1;
-	i2c_data[1] = AK8975_REG_WIA;
-	rc = ioctl(device_fd, ECS_IOCTL_READ, &i2c_data);
-	if (rc < 0) {
-		ALOGE("%s: Unable to read akm8975 WIA data", __func__);
-		goto error;
-	}
-
-	ALOGD("AKM8975 WIA (Device ID) value is: 0x%x", i2c_data[1]);
-
-	mode = AK8975_MODE_POWER_DOWN;
-	rc = ioctl(device_fd, ECS_IOCTL_SET_MODE, &mode);
-	if (rc < 0) {
-		ALOGE("%s: Unable to set akm8975 mode", __func__);
-		goto error;
-	}
-
-	uinput_fd = uinput_rel_create("magnetic");
-	if (uinput_fd < 0) {
-		ALOGD("%s: Unable to create uinput", __func__);
-		goto error;
-	}
-
-	input_fd = input_open("magnetic");
-	if (input_fd < 0) {
-		ALOGE("%s: Unable to open magnetic input", __func__);
-		goto error;
-	}
-
-	data->thread_continue = 1;
-
-	pthread_mutex_init(&data->mutex, NULL);
-	pthread_mutex_lock(&data->mutex);
-
-	pthread_attr_init(&thread_attr);
-	pthread_attr_setdetachstate(&thread_attr, PTHREAD_CREATE_DETACHED);
-
-	rc = pthread_create(&data->thread, &thread_attr, akm8975_thread, (void *) handlers);
-	if (rc < 0) {
-		ALOGE("%s: Unable to create akm8975 thread", __func__);
-		pthread_mutex_destroy(&data->mutex);
-		goto error;
-	}
-
-	data->device_fd = device_fd;
-	data->uinput_fd = uinput_fd;
-	handlers->poll_fd = input_fd;
-	handlers->data = (void *) data;
-
-	return 0;
-
-error:
-	if (data != NULL)
-		free(data);
-
-	if (uinput_fd >= 0)
-		close(uinput_fd);
-
-	if (input_fd >= 0)
-		close(input_fd);
-
-	if (device_fd >= 0)
-		close(device_fd);
-
-	handlers->poll_fd = -1;
-	handlers->data = NULL;
-
-	return -1;
-}
-
-int akm8975_deinit(struct smdk4x12_sensors_handlers *handlers)
-{
-	struct akm8975_data *data = NULL;
-	short mode;
-	int rc;
-
-	ALOGD("%s(%p)", __func__, handlers);
-
-	if (handlers == NULL || handlers->data == NULL)
-		return -EINVAL;
-
-	data = (struct akm8975_data *) handlers->data;
-
-	handlers->activated = 0;
-	data->thread_continue = 0;
-	pthread_mutex_unlock(&data->mutex);
-
-	pthread_mutex_destroy(&data->mutex);
-
-	if (data->uinput_fd >= 0) {
-		uinput_destroy(data->uinput_fd);
-		close(data->uinput_fd);
-	}
-	data->uinput_fd = -1;
-
-	if (handlers->poll_fd >= 0)
-		close(handlers->poll_fd);
-	handlers->poll_fd = -1;
-
-	mode = AK8975_MODE_POWER_DOWN;
-	rc = ioctl(data->device_fd, ECS_IOCTL_SET_MODE, &mode);
-	if (rc < 0)
-		ALOGE("%s: Unable to set akm8975 mode", __func__);
-
-	if (data->device_fd >= 0)
-		close(data->device_fd);
-	data->device_fd = -1;
-
-	free(handlers->data);
-	handlers->data = NULL;
-
-	return 0;
-}
-
-int akm8975_activate(struct smdk4x12_sensors_handlers *handlers)
-{
-	struct akm8975_data *data;
-	AK8975PRMS *akfs_params;
-	int rc;
-
-	ALOGD("%s(%p)", __func__, handlers);
-
-	if (handlers == NULL || handlers->data == NULL)
-		return -EINVAL;
-
-	data = (struct akm8975_data *) handlers->data;
-	akfs_params = &data->akfs_params;
-
-	// Read settings from a file
-	rc = AKFS_LoadParameters(akfs_params, AKFS_CONFIG_PATH);
-	if (rc != AKM_SUCCESS) {
-		ALOGE("%s: Unable to read AKFS HO parameters", __func__);
-		akfs_params->mfv_ho.u.x = 0.0f;
-		akfs_params->mfv_ho.u.y = 0.0f;
-		akfs_params->mfv_ho.u.z = 0.0f;
-	} else {
-		ALOGD("AKM8975 HO (Offset Adjustment) parameters read are: (%f, %f, %f)",
-			akfs_params->mfv_ho.u.x, akfs_params->mfv_ho.u.y, akfs_params->mfv_ho.u.z);
-	}
-
-	// Initialize buffer
-	AKFS_InitBuffer(AKFS_HDATA_SIZE, akfs_params->mfv_hdata);
-	AKFS_InitBuffer(AKFS_HDATA_SIZE, akfs_params->mfv_hvbuf);
-	AKFS_InitBuffer(AKFS_ADATA_SIZE, akfs_params->mfv_adata);
-	AKFS_InitBuffer(AKFS_ADATA_SIZE, akfs_params->mfv_avbuf);
-
-	// Initialize for AOC
-	AKFS_InitAOC(&akfs_params->m_aocv);
-	// Initialize magnetic status
-	akfs_params->mi_hstatus = SENSOR_STATUS_UNRELIABLE;
-
-	handlers->activated = 1;
-	pthread_mutex_unlock(&data->mutex);
-
-	return 0;
-}
-
-int akm8975_deactivate(struct smdk4x12_sensors_handlers *handlers)
-{
-	struct akm8975_data *data;
-	AK8975PRMS *akfs_params;
-	int device_fd;
-	short mode;
-	int empty;
-	int rc;
-	int i;
-
-	ALOGD("%s(%p)", __func__, handlers);
-
-	if (handlers == NULL || handlers->data == NULL)
-		return -EINVAL;
-
-	data = (struct akm8975_data *) handlers->data;
-	akfs_params = &data->akfs_params;
-
-	device_fd = data->device_fd;
-	if (device_fd < 0)
-		return -1;
-
-	empty = 1;
-
-	if ((akfs_params->mfv_ho.u.x != 0.0f) || (akfs_params->mfv_ho.u.y != 0.0f) ||
-			(akfs_params->mfv_ho.u.z != 0.0f)) {
-		empty = 0;
-	}
-
-	if (!empty) {
-		// Write settings to a file
-		rc = AKFS_SaveParameters(akfs_params, AKFS_CONFIG_PATH);
-		if (rc != AKM_SUCCESS) {
-			ALOGE("%s: Unable to write AKFS HO parameters", __func__);
-		} else {
-			ALOGD("AKM8975 HO (Offset Adjustment) parameters written are: (%f, %f, %f)",
-				akfs_params->mfv_ho.u.x, akfs_params->mfv_ho.u.y, akfs_params->mfv_ho.u.z);
-		}
-	}
-
-	mode = AK8975_MODE_POWER_DOWN;
-	rc = ioctl(device_fd, ECS_IOCTL_SET_MODE, &mode);
-	if (rc < 0)
-		ALOGE("%s: Unable to set akm8975 mode", __func__);
-
-	handlers->activated = 0;
-
-	return 0;
-}
-
-int akm8975_set_delay(struct smdk4x12_sensors_handlers *handlers, int64_t delay)
-{
-	struct akm8975_data *data;
-
-	ALOGD("%s(%p, %" PRId64 ")", __func__, handlers, delay);
-
-	if (handlers == NULL || handlers->data == NULL)
-		return -EINVAL;
-
-	data = (struct akm8975_data *) handlers->data;
-
-	data->delay = delay;
-
-	return 0;
-}
-
-float akm8975_convert(int value)
-{
-	return (float) value / 1000.0f;
-}
-
-int akm8975_get_data(struct smdk4x12_sensors_handlers *handlers,
-	struct sensors_event_t *event)
-{
-	struct akm8975_data *data;
-	struct input_event input_event;
-	int input_fd;
-	int rc;
-
-//	ALOGD("%s(%p, %p)", __func__, handlers, event);
-
-	if (handlers == NULL || handlers->data == NULL || event == NULL)
-		return -EINVAL;
-
-	data = (struct akm8975_data *) handlers->data;
-
-	input_fd = handlers->poll_fd;
-	if (input_fd < 0)
-		return -1;
-
-	memset(event, 0, sizeof(struct sensors_event_t));
-	event->version = sizeof(struct sensors_event_t);
-	event->sensor = handlers->handle;
-	event->type = handlers->handle;
-
-	do {
-		rc = read(input_fd, &input_event, sizeof(input_event));
-		if (rc < (int) sizeof(input_event))
-			break;
-
-		if (input_event.type == EV_REL) {
-			switch (input_event.code) {
-				case REL_X:
-					event->magnetic.x = akm8975_convert(input_event.value);
-					break;
-				case REL_Y:
-					event->magnetic.y = akm8975_convert(input_event.value);
-					break;
-				case REL_Z:
-					event->magnetic.z = akm8975_convert(input_event.value);
-					break;
-				case REL_MISC:
-					event->magnetic.status = input_event.value;
-					break;
-				default:
-					continue;
-			}
-		} else if (input_event.type == EV_SYN) {
-			if (input_event.code == SYN_REPORT)
-				event->timestamp = input_timestamp(&input_event);
-		}
-	} while (input_event.type != EV_SYN);
-
-	return 0;
-}
-
-struct smdk4x12_sensors_handlers akm8975 = {
-	.name = "AKM8975",
-	.handle = SENSOR_TYPE_MAGNETIC_FIELD,
-	.init = akm8975_init,
-	.deinit = akm8975_deinit,
-	.activate = akm8975_activate,
-	.deactivate = akm8975_deactivate,
-	.set_delay = akm8975_set_delay,
-	.get_data = akm8975_get_data,
-	.activated = 0,
-	.needed = 0,
-	.poll_fd = -1,
-	.data = NULL,
-};