static int ssp_add_sensor(struct ssp_data *data, unsigned int uChangedSensor)
{
if ((data->aiCheckStatus[uChangedSensor] != INITIALIZATION_STATE)
&& (!atomic_read(&data->aSensorEnable))) {
if (data->bCheckSuspend == false) {
enable_debug_timer(data);
data->bDebugEnabled = true;
}
}
return 0;
}
static void ssp_late_resume(struct early_suspend *handler)
{
struct ssp_data *data;
data = container_of(handler, struct ssp_data, early_suspend);
func_dbg();
enable_debug_timer(data);
data->bCheckSuspend = false;
/* give notice to user that AP goes to sleep */
ssp_sensorhub_report_notice(data, MSG2SSP_AP_STATUS_WAKEUP);
ssp_send_status_cmd(data, MSG2SSP_AP_STATUS_WAKEUP);
}
static int ssp_resume(struct device *dev)
{
struct spi_device *spi = to_spi_device(dev);
struct ssp_data *data = spi_get_drvdata(spi);
func_dbg();
enable_debug_timer(data);
if (SUCCESS != ssp_send_cmd(data, MSG2SSP_AP_STATUS_RESUME, 0))
pr_err("[SSP]: %s MSG2SSP_AP_STATUS_RESUME failed\n",
__func__);
data->uLastResumeState = MSG2SSP_AP_STATUS_RESUME;
return 0;
}
static int ssp_resume(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
struct ssp_data *data = i2c_get_clientdata(client);
func_dbg();
enable_debug_timer(data);
data->bCheckSuspend = false;
if (atomic_read(&data->aSensorEnable) > 0)
ssp_resume_mode(data);
return 0;
}
static int ssp_resume(struct device *dev)
{
struct spi_device *spi_dev = to_spi_device(dev);
struct ssp_data *data = spi_get_drvdata(spi_dev);
enable_irq(data->iIrq);
ssp_infof();
enable_debug_timer(data);
if (SUCCESS != ssp_send_cmd(data, MSG2SSP_AP_STATUS_RESUME, 0))
ssp_errf("MSG2SSP_AP_STATUS_RESUME failed");
data->uLastResumeState = MSG2SSP_AP_STATUS_RESUME;
return 0;
}
static void ssp_late_resume(struct power_suspend *handler)
{
struct ssp_data *data;
data = container_of(handler, struct ssp_data, power_suspend);
func_dbg();
enable_debug_timer(data);
#ifdef CONFIG_SENSORS_SSP_SENSORHUB
/* give notice to user that AP goes to sleep */
ssp_sensorhub_report_notice(data, MSG2SSP_AP_STATUS_WAKEUP);
ssp_resume_mode(data);
#else
if (atomic_read(&data->aSensorEnable) > 0)
ssp_resume_mode(data);
#endif
}
static int ssp_resume(struct device *dev)
{
struct spi_device *spi = to_spi_device(dev);
struct ssp_data *data = spi_get_drvdata(spi);
enable_irq(data->iIrq);
func_dbg();
enable_debug_timer(data);
data->bSuspended = false;
if (SUCCESS != ssp_send_cmd(data, MSG2SSP_AP_STATUS_RESUME, 0))
pr_err("[SSP]: %s MSG2SSP_AP_STATUS_RESUME failed\n",
__func__);
data->uLastResumeState = MSG2SSP_AP_STATUS_RESUME;
#if SSP_STATUS_MONITOR
schedule_delayed_work(&data->polling_work, msecs_to_jiffies(3000));
#endif
return 0;
}
void debug_putchar(char c)
{
uint8_t next_idx;
again:
next_idx = (debug_tx_ring_in + 1) % DEBUG_TX_BUF_SIZE;
if (next_idx == debug_tx_ring_out) {
return;
}
debug_tx_ring[debug_tx_ring_in] = c;
debug_tx_ring_in = next_idx;
if (c == '\n') {
c = '\r';
goto again;
}
enable_debug_timer();
}
static ssize_t set_enable_irq(struct device *dev,
struct device_attribute *attr, const char *buf, size_t size)
{
u8 dTemp;
struct ssp_data *data = dev_get_drvdata(dev);
if (kstrtou8(buf, 10, &dTemp) < 0)
return -1;
pr_info("[SSP] %s - %d start\n", __func__, dTemp);
if (dTemp) {
reset_mcu(data);
enable_debug_timer(data);
} else if (!dTemp) {
disable_debug_timer(data);
ssp_enable(data, 0);
} else
pr_err("[SSP] %s - invalid value\n", __func__);
pr_info("[SSP] %s - %d end\n", __func__, dTemp);
return size;
}
static int ssp_probe(struct spi_device *spi)
{
int iRet = 0;
struct ssp_data *data;
pr_info("\n#####################################################\n");
data = kzalloc(sizeof(*data), GFP_KERNEL);
if (data == NULL) {
pr_err("[SSP]: %s - failed to allocate memory for data\n",
__func__);
iRet = -ENOMEM;
goto exit;
}
iRet = initialize_platformdata(data, spi->dev.platform_data);
if (iRet < 0) {
pr_err("[SSP]: %s - failed initialize pdata\n", __func__);
iRet = -ENOMEM;
goto err_init_pdata;
}
mutex_init(&data->comm_mutex);
mutex_init(&data->wakeup_mutex);
mutex_init(&data->reset_mutex);
mutex_init(&data->enable_mutex);
spi->mode = SPI_MODE_1;
if (spi_setup(spi)) {
pr_err("failed to setup spi for ssp_spi\n");
goto err_setup;
}
data->spi = spi;
spi_set_drvdata(spi, data);
initialize_variable(data);
INIT_DELAYED_WORK(&data->work_firmware, work_function_firmware_update);
/* check boot loader binary */
data->fw_dl_state = check_fwbl(data);
if (data->fw_dl_state == FW_DL_STATE_NONE) {
iRet = startup_mcu(data);
if (iRet == ERROR) {
data->uResetCnt++;
toggle_mcu_reset(data);
msleep(SSP_SW_RESET_TIME);
iRet = startup_mcu(data);
}
if (iRet != SUCCESS) {
pr_err("[SSP]: %s - startup_mcu failed\n", __func__);
goto err_read_reg;
}
}
wake_lock_init(&data->ssp_wake_lock,
WAKE_LOCK_SUSPEND, "ssp_wake_lock");
iRet = initialize_debug_timer(data);
if (iRet < 0) {
pr_err("[SSP]: %s - could not create workqueue\n", __func__);
goto err_create_workqueue;
}
iRet = initialize_irq(data);
if (iRet < 0) {
pr_err("[SSP]: %s - could not create irq\n", __func__);
goto err_setup_irq;
}
iRet = initialize_sensors(data);
if (iRet < 0) {
pr_err("[SSP]: %s - could not initialize sensor\n", __func__);
goto err_init_sensor;
}
/* init sensorhub device */
iRet = ssp_sensorhub_initialize(data);
if (iRet < 0) {
pr_err("%s: ssp_sensorhub_initialize err(%d)", __func__, iRet);
ssp_sensorhub_remove(data);
}
ssp_enable(data, true);
data->bProbeIsDone = true;
pr_info("[SSP]: %s - probe success!\n", __func__);
enable_debug_timer(data);
if (data->fw_dl_state == FW_DL_STATE_NEED_TO_SCHEDULE) {
pr_info("[SSP]: Firmware update is scheduled\n");
schedule_delayed_work(&data->work_firmware,
msecs_to_jiffies(1000));
data->fw_dl_state = FW_DL_STATE_SCHEDULED;
} else if (data->fw_dl_state == FW_DL_STATE_FAIL) {
data->bSspShutdown = true;
}
iRet = 0;
if (data->check_lpmode() == true) {
ssp_charging_motion(data, 1);
data->bLpModeEnabled = true;
pr_info("[SSP]: LPM Charging...\n");
} else {
data->bLpModeEnabled = false;
pr_info("[SSP]: Normal Booting OK\n");
}
goto exit;
err_init_sensor:
free_irq(data->iIrq, data);
gpio_free(data->spi->irq);
err_setup_irq:
destroy_workqueue(data->debug_wq);
err_create_workqueue:
err_input_register_device:
wake_lock_destroy(&data->ssp_wake_lock);
err_read_reg:
err_reset_null:
err_setup:
mutex_destroy(&data->enable_mutex);
mutex_destroy(&data->reset_mutex);
mutex_destroy(&data->wakeup_mutex);
mutex_destroy(&data->comm_mutex);
err_init_pdata:
kfree(data);
pr_err("[SSP]: %s - probe failed!\n", __func__);
exit:
pr_info("#####################################################\n\n");
return iRet;
}
static int ssp_probe(struct spi_device *spi)
{
struct ssp_data *data;
struct ssp_platform_data *pdata;
int iRet = 0;
pr_info("[SSP] %s, is called\n", __func__);
data = kzalloc(sizeof(*data), GFP_KERNEL);
if (data == NULL) {
pr_err("[SSP] %s, failed to allocate memory for data\n", __func__);
iRet = -ENOMEM;
goto exit;
}
if (spi->dev.of_node) {
iRet = ssp_parse_dt(&spi->dev, data);
if (iRet) {
pr_err("[SSP]: %s - Failed to parse DT\n", __func__);
goto err_setup;
}
//data->ssp_changes = SSP_MCU_L5; /* K330, MPU L5*/
} else {
pdata = spi->dev.platform_data;
if (pdata == NULL) {
pr_err("[SSP] %s, platform_data is null\n", __func__);
iRet = -ENOMEM;
goto err_setup;
}
/* AP system_rev */
if (pdata->check_ap_rev)
data->ap_rev = pdata->check_ap_rev();
else
data->ap_rev = 0;
/* Get sensor positions */
if (pdata->get_positions) {
pdata->get_positions(&data->accel_position,
&data->mag_position);
} else {
data->accel_position = 0;
data->mag_position = 0;
}
if (pdata->mag_matrix) {
data->mag_matrix_size = pdata->mag_matrix_size;
data->mag_matrix = pdata->mag_matrix;
}
}
spi->mode = SPI_MODE_3;
if (spi_setup(spi)) {
pr_err("[SSP] %s, failed to setup spi\n", __func__);
iRet = -ENODEV;
goto err_setup;
}
data->bProbeIsDone = false;
data->spi = spi;
spi_set_drvdata(spi, data);
#ifdef CONFIG_SENSORS_SSP_SHTC1
mutex_init(&data->cp_temp_adc_lock);
mutex_init(&data->bulk_temp_read_lock);
#endif
mutex_init(&data->comm_mutex);
mutex_init(&data->pending_mutex);
mutex_init(&data->enable_mutex);
if (spi->dev.of_node == NULL) {
pr_err("[SSP] %s, function callback is null\n", __func__);
iRet = -EIO;
goto err_reset_null;
}
pr_info("\n#####################################################\n");
initialize_variable(data);
wake_lock_init(&data->ssp_wake_lock,
WAKE_LOCK_SUSPEND, "ssp_wake_lock");
iRet = initialize_input_dev(data);
if (iRet < 0) {
pr_err("[SSP]: %s - could not create input device\n", __func__);
goto err_input_register_device;
}
iRet = initialize_debug_timer(data);
if (iRet < 0) {
pr_err("[SSP]: %s - could not create workqueue\n", __func__);
goto err_create_workqueue;
}
iRet = initialize_sysfs(data);
if (iRet < 0) {
pr_err("[SSP]: %s - could not create sysfs\n", __func__);
goto err_sysfs_create;
}
iRet = initialize_event_symlink(data);
if (iRet < 0) {
pr_err("[SSP]: %s - could not create symlink\n", __func__);
goto err_symlink_create;
}
msleep(70);
#ifdef CONFIG_SENSORS_SSP_SENSORHUB
/* init sensorhub device */
iRet = ssp_sensorhub_initialize(data);
if (iRet < 0) {
pr_err("%s: ssp_sensorhub_initialize err(%d)\n", __func__, iRet);
ssp_sensorhub_remove(data);
}
#endif
bbd_register(data, &ssp_bbd_callbacks);
#ifdef CONFIG_HAS_EARLYSUSPEND
data->early_suspend.suspend = ssp_early_suspend;
data->early_suspend.resume = ssp_late_resume;
register_early_suspend(&data->early_suspend);
#endif
pr_info("[SSP]: %s - probe success!\n", __func__);
enable_debug_timer(data);
data->bProbeIsDone = true;
iRet = 0;
goto exit;
err_symlink_create:
remove_sysfs(data);
err_sysfs_create:
destroy_workqueue(data->debug_wq);
err_create_workqueue:
remove_input_dev(data);
err_input_register_device:
wake_lock_destroy(&data->ssp_wake_lock);
err_reset_null:
mutex_destroy(&data->comm_mutex);
mutex_destroy(&data->pending_mutex);
mutex_destroy(&data->enable_mutex);
#ifdef CONFIG_SENSORS_SSP_SHTC1
mutex_destroy(&data->bulk_temp_read_lock);
mutex_destroy(&data->cp_temp_adc_lock);
#endif
err_setup:
kfree(data);
pr_err("[SSP] %s, probe failed!\n", __func__);
exit:
pr_info("#####################################################\n\n");
return iRet;
}
static int ssp_probe(struct spi_device *spi_dev)
{
int iRet = 0;
struct ssp_data *data;
struct ssp_platform_data *pdata;
pr_info("[SSP] %s\n", __func__);
if (poweroff_charging == 1) {
pr_err("[SSP] probe exit : lpm %d\n", poweroff_charging);
return -ENODEV;
}
data = kzalloc(sizeof(*data), GFP_KERNEL);
if (data == NULL) {
pr_err("[SSP]: %s - failed to allocate memory for data\n",
__func__);
iRet = -ENOMEM;
goto exit;
}
if (spi_dev->dev.of_node) {
iRet = ssp_parse_dt(&spi_dev->dev, data);
if (iRet) {
pr_err("[SSP]: %s - Failed to parse DT\n", __func__);
goto err_setup;
}
data->ssp_changes = SSP_MCU_L5; /* K330, MPU L5*/
} else {
pdata = spi_dev->dev.platform_data;
if (pdata == NULL) {
pr_err("[SSP]: %s - platform_data is null\n", __func__);
iRet = -ENOMEM;
goto err_setup;
}
data->wakeup_mcu = pdata->wakeup_mcu;
data->check_mcu_ready = pdata->check_mcu_ready;
data->check_mcu_busy = pdata->check_mcu_busy;
data->set_mcu_reset = pdata->set_mcu_reset;
data->read_chg = pdata->read_chg;
/* AP system_rev */
if (pdata->check_ap_rev)
data->ap_rev = pdata->check_ap_rev();
else
data->ap_rev = 0;
/* For changed devices */
if (pdata->check_changes)
data->ssp_changes = pdata->check_changes();
else
data->ssp_changes = SSP_MCU_L5; /* K330, MPU L5*/
/* Get sensor positions */
if (pdata->get_positions)
pdata->get_positions(&data->accel_position,
&data->mag_position);
else if (spi_dev->dev.of_node == NULL) {
data->accel_position = 0;
data->mag_position = 0;
}
}
spi_dev->mode = SPI_MODE_1;
if (spi_setup(spi_dev)) {
pr_err("failed to setup spi for ssp_spi\n");
goto err_setup;
}
data->bProbeIsDone = false;
data->fw_dl_state = FW_DL_STATE_NONE;
data->spi = spi_dev;
spi_set_drvdata(spi_dev, data);
#ifdef CONFIG_SENSORS_SSP_SHTC1
mutex_init(&data->cp_temp_adc_lock);
mutex_init(&data->bulk_temp_read_lock);
#endif
#ifdef CONFIG_SENSORS_SSP_STM
mutex_init(&data->comm_mutex);
mutex_init(&data->pending_mutex);
#endif
if (((data->wakeup_mcu == NULL)
|| (data->check_mcu_ready == NULL)
|| (data->check_mcu_busy == NULL)
|| (data->set_mcu_reset == NULL)
|| (data->read_chg == NULL))
&& (spi_dev->dev.of_node == NULL)) {
pr_err("[SSP]: %s - function callback is null\n", __func__);
iRet = -EIO;
goto err_reset_null;
}
pr_info("\n#####################################################\n");
INIT_DELAYED_WORK(&data->work_firmware, work_function_firmware_update);
wake_lock_init(&data->ssp_wake_lock,
WAKE_LOCK_SUSPEND, "ssp_wake_lock");
iRet = initialize_input_dev(data);
if (iRet < 0) {
pr_err("[SSP]: %s - could not create input device\n", __func__);
goto err_input_register_device;
}
iRet = initialize_debug_timer(data);
if (iRet < 0) {
pr_err("[SSP]: %s - could not create workqueue\n", __func__);
goto err_create_workqueue;
}
iRet = initialize_irq(data);
if (iRet < 0) {
pr_err("[SSP]: %s - could not create irq\n", __func__);
goto err_setup_irq;
}
iRet = initialize_sysfs(data);
if (iRet < 0) {
pr_err("[SSP]: %s - could not create sysfs\n", __func__);
goto err_sysfs_create;
}
iRet = initialize_event_symlink(data);
if (iRet < 0) {
pr_err("[SSP]: %s - could not create symlink\n", __func__);
goto err_symlink_create;
}
initialize_variable(data);
#ifdef CONFIG_SENSORS_SSP_SENSORHUB
/* init sensorhub device */
iRet = ssp_sensorhub_initialize(data);
if (iRet < 0) {
pr_err("%s: ssp_sensorhub_initialize err(%d)", __func__, iRet);
ssp_sensorhub_remove(data);
}
#endif
ssp_enable(data, true);
/* check boot loader binary */
data->fw_dl_state = check_fwbl(data);
if (data->fw_dl_state == FW_DL_STATE_NONE) {
iRet = initialize_mcu(data);
if (iRet == ERROR) {
data->uResetCnt++;
toggle_mcu_reset(data);
} else if (iRet < ERROR) {
pr_err("[SSP]: %s - initialize_mcu failed\n", __func__);
goto err_read_reg;
}
}
#ifdef CONFIG_HAS_EARLYSUSPEND
data->early_suspend.suspend = ssp_early_suspend;
data->early_suspend.resume = ssp_late_resume;
register_early_suspend(&data->early_suspend);
#endif
pr_info("[SSP]: %s - probe success!\n", __func__);
enable_debug_timer(data);
iRet = 0;
if (data->fw_dl_state == FW_DL_STATE_NEED_TO_SCHEDULE) {
pr_info("[SSP]: Firmware update is scheduled\n");
schedule_delayed_work(&data->work_firmware,
msecs_to_jiffies(1000));
data->fw_dl_state = FW_DL_STATE_SCHEDULED;
} else if (data->fw_dl_state == FW_DL_STATE_FAIL)
data->bSspShutdown = true;
data->bProbeIsDone = true;
goto exit;
err_read_reg:
err_symlink_create:
remove_sysfs(data);
err_sysfs_create:
free_irq(data->iIrq, data);
gpio_free(data->mcu_int1);
err_setup_irq:
destroy_workqueue(data->debug_wq);
err_create_workqueue:
remove_input_dev(data);
err_input_register_device:
wake_lock_destroy(&data->ssp_wake_lock);
err_reset_null:
#ifdef CONFIG_SENSORS_SSP_SHTC1
mutex_destroy(&data->cp_temp_adc_lock);
mutex_destroy(&data->bulk_temp_read_lock);
#endif
#ifdef CONFIG_SENSORS_SSP_STM
mutex_destroy(&data->comm_mutex);
mutex_destroy(&data->pending_mutex);
#endif
err_setup:
kfree(data);
pr_err("[SSP]: %s - probe failed!\n", __func__);
exit:
pr_info("#####################################################\n\n");
return iRet;
}
static int ssp_probe(struct i2c_client *client,
const struct i2c_device_id *devid)
{
int iRet = 0;
struct ssp_data *data;
struct ssp_platform_data *pdata = client->dev.platform_data;
if (pdata == NULL) {
pr_err("[SSP]: %s - platform_data is null..\n", __func__);
iRet = -ENOMEM;
goto exit;
}
data = kzalloc(sizeof(*data), GFP_KERNEL);
if (data == NULL) {
pr_err("[SSP]: %s - failed to allocate memory for data\n",
__func__);
iRet = -ENOMEM;
goto exit;
}
data->client = client;
i2c_set_clientdata(client, data);
data->wakeup_mcu = pdata->wakeup_mcu;
data->check_mcu_ready = pdata->check_mcu_ready;
data->check_mcu_busy = pdata->check_mcu_busy;
data->set_mcu_reset = pdata->set_mcu_reset;
data->check_ap_rev = pdata->check_ap_rev;
if ((data->wakeup_mcu == NULL)
|| (data->check_mcu_ready == NULL)
|| (data->check_mcu_busy == NULL)
|| (data->set_mcu_reset == NULL)
|| (data->check_ap_rev == NULL)) {
pr_err("[SSP]: %s - function callback is null\n", __func__);
iRet = -EIO;
goto err_reset_null;
}
pr_info("\n#####################################################\n");
/* check boot loader binary */
check_fwbl(data);
initialize_variable(data);
iRet = initialize_mcu(data);
if (iRet < 0) {
pr_err("[SSP]: %s - initialize_mcu failed\n", __func__);
goto err_read_reg;
}
wake_lock_init(&data->ssp_wake_lock,
WAKE_LOCK_SUSPEND, "ssp_wake_lock");
iRet = initialize_input_dev(data);
if (iRet < 0) {
pr_err("[SSP]: %s - could not create input device\n", __func__);
goto err_input_register_device;
}
initialize_magnetic(data);
iRet = misc_register(&data->akmd_device);
if (iRet)
goto err_akmd_device_register;
iRet = initialize_debug_timer(data);
if (iRet < 0) {
pr_err("[SSP]: %s - could not create workqueue\n", __func__);
goto err_create_workqueue;
}
iRet = initialize_irq(data);
if (iRet < 0) {
pr_err("[SSP]: %s - could not create irq\n", __func__);
goto err_setup_irq;
}
iRet = initialize_sysfs(data);
if (iRet < 0) {
pr_err("[SSP]: %s - could not create sysfs\n", __func__);
goto err_sysfs_create;
}
iRet = initialize_event_symlink(data);
if (iRet < 0) {
pr_err("[SSP]: %s - could not create symlink\n", __func__);
goto err_symlink_create;
}
#ifdef CONFIG_HAS_EARLYSUSPEND
data->early_suspend.suspend = ssp_early_suspend;
data->early_suspend.resume = ssp_late_resume;
register_early_suspend(&data->early_suspend);
#endif
#ifdef CONFIG_SENSORS_SSP_SENSORHUB
/* init sensorhub device */
iRet = ssp_initialize_sensorhub(data);
if (iRet < 0) {
pr_err("%s: ssp_initialize_sensorhub err(%d)", __func__, iRet);
ssp_remove_sensorhub(data);
}
#endif
enable_irq(data->iIrq);
enable_irq_wake(data->iIrq);
pr_info("[SSP]: %s - probe success!\n", __func__);
enable_debug_timer(data);
iRet = 0;
goto exit;
err_symlink_create:
remove_sysfs(data);
err_sysfs_create:
free_irq(data->iIrq, data);
gpio_free(data->client->irq);
err_setup_irq:
destroy_workqueue(data->debug_wq);
err_create_workqueue:
misc_deregister(&data->akmd_device);
err_akmd_device_register:
remove_input_dev(data);
err_input_register_device:
wake_lock_destroy(&data->ssp_wake_lock);
err_read_reg:
err_reset_null:
kfree(data);
pr_err("[SSP]: %s - probe failed!\n", __func__);
exit:
pr_info("#####################################################\n\n");
return iRet;
}
static int ssp_probe(struct i2c_client *client,
const struct i2c_device_id *devid)
{
int iRet = 0;
struct ssp_data *data;
struct ssp_platform_data *pdata = client->dev.platform_data;
if (pdata == NULL) {
pr_err("[SSP]: %s - platform_data is null..\n", __func__);
iRet = -ENOMEM;
goto exit;
}
data = kzalloc(sizeof(*data), GFP_KERNEL);
if (data == NULL) {
pr_err("[SSP]: %s - failed to allocate memory for data\n",
__func__);
iRet = -ENOMEM;
goto exit;
}
data->fw_dl_state = FW_DL_STATE_NONE;
data->client = client;
i2c_set_clientdata(client, data);
data->wakeup_mcu = pdata->wakeup_mcu;
data->check_mcu_ready = pdata->check_mcu_ready;
data->check_mcu_busy = pdata->check_mcu_busy;
data->set_mcu_reset = pdata->set_mcu_reset;
data->check_ap_rev = pdata->check_ap_rev;
if ((data->wakeup_mcu == NULL)
|| (data->check_mcu_ready == NULL)
|| (data->check_mcu_busy == NULL)
|| (data->set_mcu_reset == NULL)
|| (data->check_ap_rev == NULL)) {
pr_err("[SSP]: %s - function callback is null\n", __func__);
iRet = -EIO;
goto err_reset_null;
}
pr_info("\n#####################################################\n");
INIT_DELAYED_WORK(&data->work_firmware, work_function_firmware_update);
/* check boot loader binary */
data->fw_dl_state = check_fwbl(data);
initialize_variable(data);
if (data->fw_dl_state == FW_DL_STATE_NONE) {
iRet = initialize_mcu(data);
if (iRet == ERROR) {
data->uResetCnt++;
toggle_mcu_reset(data);
msleep(SSP_SW_RESET_TIME);
initialize_mcu(data);
} else if (iRet < ERROR) {
pr_err("[SSP]: %s - initialize_mcu failed\n", __func__);
goto err_read_reg;
}
}
wake_lock_init(&data->ssp_wake_lock,
WAKE_LOCK_SUSPEND, "ssp_wake_lock");
iRet = initialize_input_dev(data);
if (iRet < 0) {
pr_err("[SSP]: %s - could not create input device\n", __func__);
goto err_input_register_device;
}
initialize_magnetic(data);
iRet = misc_register(&data->akmd_device);
if (iRet)
goto err_akmd_device_register;
iRet = initialize_debug_timer(data);
if (iRet < 0) {
pr_err("[SSP]: %s - could not create workqueue\n", __func__);
goto err_create_workqueue;
}
iRet = initialize_irq(data);
if (iRet < 0) {
pr_err("[SSP]: %s - could not create irq\n", __func__);
goto err_setup_irq;
}
iRet = initialize_sysfs(data);
if (iRet < 0) {
pr_err("[SSP]: %s - could not create sysfs\n", __func__);
goto err_sysfs_create;
}
iRet = initialize_event_symlink(data);
if (iRet < 0) {
pr_err("[SSP]: %s - could not create symlink\n", __func__);
goto err_symlink_create;
}
#ifdef CONFIG_HAS_EARLYSUSPEND
data->early_suspend.suspend = ssp_early_suspend;
data->early_suspend.resume = ssp_late_resume;
register_early_suspend(&data->early_suspend);
#endif
#ifdef CONFIG_SENSORS_SSP_SENSORHUB
/* init sensorhub device */
iRet = ssp_sensorhub_initialize(data);
if (iRet < 0) {
pr_err("%s: ssp_sensorhub_initialize err(%d)", __func__, iRet);
ssp_sensorhub_remove(data);
}
#endif
data->bSspShutdown = false;
enable_irq(data->iIrq);
enable_irq_wake(data->iIrq);
pr_info("[SSP]: %s - probe success!\n", __func__);
enable_debug_timer(data);
iRet = 0;
if (data->fw_dl_state == FW_DL_STATE_NEED_TO_SCHEDULE) {
pr_info("[SSP]: Firmware update is scheduled\n");
schedule_delayed_work(&data->work_firmware,
msecs_to_jiffies(3000));
data->fw_dl_state = FW_DL_STATE_SCHEDULED;
} else if (data->fw_dl_state == FW_DL_STATE_FAIL)
data->bSspShutdown = true;
goto exit;
err_symlink_create:
remove_sysfs(data);
err_sysfs_create:
free_irq(data->iIrq, data);
gpio_free(data->client->irq);
err_setup_irq:
destroy_workqueue(data->debug_wq);
err_create_workqueue:
misc_deregister(&data->akmd_device);
err_akmd_device_register:
remove_input_dev(data);
err_input_register_device:
wake_lock_destroy(&data->ssp_wake_lock);
err_read_reg:
err_reset_null:
kfree(data);
pr_err("[SSP]: %s - probe failed!\n", __func__);
exit:
pr_info("#####################################################\n\n");
return iRet;
}
static int ssp_probe(struct spi_device *spi)
{
int iRet = 0;
struct ssp_data *data;
ssp_infof();
/*
if (poweroff_charging == 1 || boot_mode_recovery == 1) {
ssp_err("probe exit : lpm %d, recovery %d",
poweroff_charging, boot_mode_recovery);
return -ENODEV;
}
*/
data = kzalloc(sizeof(*data), GFP_KERNEL);
if (data == NULL) {
ssp_errf("failed to allocate memory for data");
iRet = -ENOMEM;
goto exit;
}
if (spi->dev.of_node) {
iRet = ssp_parse_dt(&spi->dev, data);
if (iRet) {
ssp_errf("Failed to parse DT");
goto err_setup;
}
} else {
ssp_errf("failed to get device node");
iRet = -ENODEV;
goto err_setup;
}
spi->mode = SPI_MODE_1;
if (spi_setup(spi)) {
ssp_errf("failed to setup spi");
iRet = -ENODEV;
goto err_setup;
}
data->fw_dl_state = FW_DL_STATE_NONE;
data->spi = spi;
spi_set_drvdata(spi, data);
mutex_init(&data->comm_mutex);
mutex_init(&data->pending_mutex);
pr_info("\n#####################################################\n");
INIT_DELAYED_WORK(&data->work_firmware, work_function_firmware_update);
wake_lock_init(&data->ssp_wake_lock,
WAKE_LOCK_SUSPEND, "ssp_wake_lock");
iRet = initialize_indio_dev(data);
if (iRet < 0) {
ssp_errf("could not create input device");
goto err_input_register_device;
}
iRet = initialize_debug_timer(data);
if (iRet < 0) {
ssp_errf("could not create workqueue");
goto err_create_workqueue;
}
iRet = initialize_irq(data);
if (iRet < 0) {
ssp_errf("could not create irq");
goto err_setup_irq;
}
iRet = initialize_sysfs(data);
if (iRet < 0) {
ssp_errf("could not create sysfs");
goto err_sysfs_create;
}
initialize_variable(data);
/* init sensorhub device */
iRet = ssp_sensorhub_initialize(data);
if (iRet < 0) {
ssp_errf("ssp_sensorhub_initialize err(%d)", iRet);
ssp_sensorhub_remove(data);
}
ssp_enable(data, true);
/* check boot loader binary */
data->fw_dl_state = check_fwbl(data);
if (data->fw_dl_state == FW_DL_STATE_NONE) {
iRet = initialize_mcu(data);
if (iRet == ERROR) {
toggle_mcu_reset(data);
} else if (iRet < ERROR) {
ssp_errf("initialize_mcu failed");
goto err_read_reg;
}
}
ssp_infof("probe success!");
enable_debug_timer(data);
if (data->fw_dl_state == FW_DL_STATE_NEED_TO_SCHEDULE) {
ssp_info("Firmware update is scheduled");
schedule_delayed_work(&data->work_firmware,
msecs_to_jiffies(1000));
data->fw_dl_state = FW_DL_STATE_SCHEDULED;
} else if (data->fw_dl_state == FW_DL_STATE_FAIL) {
data->bSspShutdown = true;
}
data->bProbeIsDone = true;
iRet = 0;
goto exit;
err_read_reg:
remove_sysfs(data);
err_sysfs_create:
free_irq(data->iIrq, data);
gpio_free(data->mcu_int1);
err_setup_irq:
destroy_workqueue(data->debug_wq);
err_create_workqueue:
remove_indio_dev(data);
err_input_register_device:
wake_lock_destroy(&data->ssp_wake_lock);
mutex_destroy(&data->comm_mutex);
mutex_destroy(&data->pending_mutex);
err_setup:
kfree(data);
ssp_errf("probe failed!");
exit:
pr_info("#####################################################\n\n");
return iRet;
}
static int ssp_probe(struct spi_device *spi)
{
struct ssp_data *data;
struct ssp_platform_data *pdata;
int iRet = 0;
pr_info("[SSP] %s, is called\n", __func__);
if (lpcharge == 1 || bootmode == 2) {
pr_err("[SSP] probe exit : lpm %d (recovery)bootmode:%d \n", lpcharge, bootmode);
return -ENODEV;
}
data = kzalloc(sizeof(*data), GFP_KERNEL);
if (data == NULL) {
pr_err("[SSP] %s, failed to allocate memory for data\n", __func__);
iRet = -ENOMEM;
goto exit;
}
if (spi->dev.of_node) {
iRet = ssp_parse_dt(&spi->dev, data);
if (iRet) {
pr_err("[SSP]: %s - Failed to parse DT\n", __func__);
goto err_setup;
}
} else {
pdata = spi->dev.platform_data;
if (pdata == NULL) {
pr_err("[SSP] %s, platform_data is null\n", __func__);
iRet = -ENOMEM;
goto err_setup;
}
data->wakeup_mcu = pdata->wakeup_mcu;
data->set_mcu_reset = pdata->set_mcu_reset;
data->ap_int = pdata->ap_int;
data->mcu_int1 = pdata->mcu_int1;
data->mcu_int2 = pdata->mcu_int2;
/* AP system_rev */
if (pdata->check_ap_rev)
data->ap_rev = pdata->check_ap_rev();
else
data->ap_rev = 0;
/* Get sensor positions */
if (pdata->get_positions) {
pdata->get_positions(&data->accel_position,
&data->mag_position);
} else {
data->accel_position = 0;
data->mag_position = 0;
}
if (pdata->mag_matrix) {
data->mag_matrix_size = pdata->mag_matrix_size;
data->mag_matrix = pdata->mag_matrix;
}
}
#if 0//def CONFIG_SENSORS_SSP_SHTC1
/* Get pdata for cp thermister */
if (pdata->cp_thm_adc_table) {
data->cp_thm_adc_channel = pdata->cp_thm_adc_channel;
data->cp_thm_adc_arr_size= pdata->cp_thm_adc_arr_size;
data->cp_thm_adc_table = pdata->cp_thm_adc_table;
}
/* Get pdata for batt thermister */
if (pdata->batt_thm_adc_table) {
data->batt_thm_adc_arr_size= pdata->batt_thm_adc_arr_size;
data->batt_thm_adc_table = pdata->batt_thm_adc_table;
}
/* Get pdata for chg thermister */
if (pdata->chg_thm_adc_table) {
data->chg_thm_adc_arr_size= pdata->chg_thm_adc_arr_size;
data->chg_thm_adc_table = pdata->chg_thm_adc_table;
}
#endif
spi->mode = SPI_MODE_1;
if (spi_setup(spi)) {
pr_err("[SSP] %s, failed to setup spi\n", __func__);
goto err_setup;
}
data->bProbeIsDone = false;
data->fw_dl_state = FW_DL_STATE_NONE;
data->spi = spi;
spi_set_drvdata(spi, data);
#ifdef CONFIG_SENSORS_SSP_SHTC1
mutex_init(&data->cp_temp_adc_lock);
mutex_init(&data->bulk_temp_read_lock);
#endif
#ifdef CONFIG_SENSORS_SSP_ATMEL
mutex_init(&data->comm_mutex);
mutex_init(&data->pending_mutex);
#endif
if (((data->wakeup_mcu == NULL)
|| (data->set_mcu_reset == NULL))
&& (spi->dev.of_node == NULL)) {
pr_err("[SSP] %s, function callback is null\n", __func__);
iRet = -EIO;
goto err_reset_null;
}
pr_info("\n#####################################################\n");
INIT_DELAYED_WORK(&data->work_firmware, work_function_firmware_update);
wake_lock_init(&data->ssp_wake_lock,
WAKE_LOCK_SUSPEND, "ssp_wake_lock");
iRet = initialize_input_dev(data);
if (iRet < 0) {
pr_err("[SSP]: %s - could not create input device\n", __func__);
goto err_input_register_device;
}
iRet = initialize_debug_timer(data);
if (iRet < 0) {
pr_err("[SSP]: %s - could not create workqueue\n", __func__);
goto err_create_workqueue;
}
iRet = initialize_irq(data);
if (iRet < 0) {
pr_err("[SSP]: %s - could not create irq\n", __func__);
goto err_setup_irq;
}
iRet = initialize_sysfs(data);
if (iRet < 0) {
pr_err("[SSP]: %s - could not create sysfs\n", __func__);
goto err_sysfs_create;
}
iRet = initialize_event_symlink(data);
if (iRet < 0) {
pr_err("[SSP]: %s - could not create symlink\n", __func__);
goto err_symlink_create;
}
initialize_variable(data);
msleep(40);
#ifdef CONFIG_SENSORS_SSP_SENSORHUB
/* init sensorhub device */
iRet = ssp_sensorhub_initialize(data);
if (iRet < 0) {
pr_err("%s: ssp_sensorhub_initialize err(%d)", __func__, iRet);
ssp_sensorhub_remove(data);
}
#endif
ssp_enable(data, true);
#if defined SSP_IRQ_EDGE_PROTECT
prevent_irq = 1;
#endif
/* check boot loader binary */
data->fw_dl_state = check_fwbl(data);
if (data->fw_dl_state == FW_DL_STATE_NONE) {
iRet = initialize_mcu(data);
if (iRet == ERROR) {
toggle_mcu_reset(data);
} else if (iRet < ERROR) {
pr_err("[SSP]: %s - initialize_mcu failed\n", __func__);
goto err_read_reg;
}
}
#ifdef CONFIG_HAS_EARLYSUSPEND
data->early_suspend.suspend = ssp_early_suspend;
data->early_suspend.resume = ssp_late_resume;
register_early_suspend(&data->early_suspend);
#endif
pr_info("[SSP]: %s - probe success!\n", __func__);
enable_debug_timer(data);
if (data->fw_dl_state == FW_DL_STATE_NEED_TO_SCHEDULE) {
pr_info("[SSP] Firmware update is scheduled\n");
schedule_delayed_work(&data->work_firmware,
msecs_to_jiffies(1000));
data->fw_dl_state = FW_DL_STATE_SCHEDULED;
} else if (data->fw_dl_state == FW_DL_STATE_FAIL) {
data->bSspShutdown = true;
}
data->bProbeIsDone = true;
iRet = 0;
goto exit;
err_read_reg:
err_symlink_create:
remove_sysfs(data);
err_sysfs_create:
free_irq(data->iIrq, data);
gpio_free(data->mcu_int1);
err_setup_irq:
destroy_workqueue(data->debug_wq);
err_create_workqueue:
remove_input_dev(data);
err_input_register_device:
wake_lock_destroy(&data->ssp_wake_lock);
err_reset_null:
#ifdef CONFIG_SENSORS_SSP_ATMEL
mutex_destroy(&data->comm_mutex);
mutex_destroy(&data->pending_mutex);
#endif
#ifdef CONFIG_SENSORS_SSP_SHTC1
mutex_destroy(&data->bulk_temp_read_lock);
mutex_destroy(&data->cp_temp_adc_lock);
#endif
err_setup:
kfree(data);
pr_err("[SSP] %s, probe failed!\n", __func__);
exit:
pr_info("#####################################################\n\n");
return iRet;
}
static int ssp_probe(struct spi_device *spi)
{
int iRet = 0;
struct ssp_data *data;
pr_info("[SSP] %s\n", __func__);
if (poweroff_charging == 1 || boot_mode_recovery == 1) {
pr_err("[SSP] probe exit : lpm %d, recovery %d\n",
poweroff_charging, boot_mode_recovery);
return -ENODEV;
}
data = kzalloc(sizeof(*data), GFP_KERNEL);
if (data == NULL) {
pr_err("[SSP]: %s - failed to allocate memory for data\n",
__func__);
iRet = -ENOMEM;
goto exit;
}
if (spi->dev.of_node) {
iRet = ssp_parse_dt(&spi->dev, data);
if (iRet) {
pr_err("[SSP]: %s - Failed to parse DT\n", __func__);
goto err_setup;
}
} else {
pr_err("[SSP]: %s - failed to get device node\n",
__func__);
iRet = -ENODEV;
goto err_setup;
}
spi->mode = SPI_MODE_1;
if (spi_setup(spi)) {
pr_err("[SSP] %s, failed to setup spi\n", __func__);
iRet = -ENODEV;
goto err_setup;
}
data->bProbeIsDone = false;
data->fw_dl_state = FW_DL_STATE_NONE;
data->spi = spi;
spi_set_drvdata(spi, data);
mutex_init(&data->comm_mutex);
mutex_init(&data->pending_mutex);
mutex_init(&data->tsp_mutex);
pr_info("\n#####################################################\n");
INIT_DELAYED_WORK(&data->work_firmware, work_function_firmware_update);
wake_lock_init(&data->ssp_wake_lock,
WAKE_LOCK_SUSPEND, "ssp_wake_lock");
iRet = initialize_input_dev(data);
if (iRet < 0) {
pr_err("[SSP]: %s - could not create input device\n", __func__);
goto err_input_register_device;
}
iRet = initialize_debug_timer(data);
if (iRet < 0) {
pr_err("[SSP]: %s - could not create workqueue\n", __func__);
goto err_create_workqueue;
}
#if SSP_STATUS_MONITOR
iRet = initialize_polling_work(data);
if (iRet < 0) {
pr_err("[SSP]: %s - could not create delayed_work\n", __func__);
goto err_create_workqueue;
}
#endif
iRet = initialize_irq(data);
if (iRet < 0) {
pr_err("[SSP]: %s - could not create irq\n", __func__);
goto err_setup_irq;
}
iRet = initialize_sysfs(data);
if (iRet < 0) {
pr_err("[SSP]: %s - could not create sysfs\n", __func__);
goto err_sysfs_create;
}
iRet = initialize_event_symlink(data);
if (iRet < 0) {
pr_err("[SSP]: %s - could not create symlink\n", __func__);
goto err_symlink_create;
}
initialize_variable(data);
#ifdef CONFIG_SENSORS_SSP_SENSORHUB
/* init sensorhub device */
iRet = ssp_sensorhub_initialize(data);
if (iRet < 0) {
pr_err("%s: ssp_sensorhub_initialize err(%d)", __func__, iRet);
ssp_sensorhub_remove(data);
}
#endif
ssp_enable(data, true);
#if defined(SSP_IRQ_EDGE_PROTECT)
prevent_irq = 1;
#endif
/* check boot loader binary */
data->fw_dl_state = check_fwbl(data);
if (data->fw_dl_state == FW_DL_STATE_NONE) {
iRet = initialize_mcu(data);
if (iRet == ERROR) {
toggle_mcu_reset(data);
} else if (iRet < ERROR) {
pr_err("[SSP]: %s - initialize_mcu failed\n", __func__);
goto err_read_reg;
}
}
#ifdef CONFIG_HAS_EARLYSUSPEND
data->early_suspend.suspend = ssp_early_suspend;
data->early_suspend.resume = ssp_late_resume;
register_early_suspend(&data->early_suspend);
#endif
pr_info("[SSP]: %s - probe success!\n", __func__);
enable_debug_timer(data);
if (data->fw_dl_state == FW_DL_STATE_NEED_TO_SCHEDULE) {
pr_info("[SSP] Firmware update is scheduled\n");
schedule_delayed_work(&data->work_firmware,
msecs_to_jiffies(1000));
data->fw_dl_state = FW_DL_STATE_SCHEDULED;
} else if (data->fw_dl_state == FW_DL_STATE_FAIL) {
data->bSspShutdown = true;
}
#if SSP_STATUS_MONITOR
else
schedule_delayed_work(&data->polling_work, msecs_to_jiffies(10000));
#endif
data->bProbeIsDone = true;
iRet = 0;
goto exit;
err_read_reg:
err_symlink_create:
remove_sysfs(data);
err_sysfs_create:
free_irq(data->iIrq, data);
gpio_free(data->mcu_int1);
err_setup_irq:
destroy_workqueue(data->debug_wq);
err_create_workqueue:
remove_input_dev(data);
err_input_register_device:
wake_lock_destroy(&data->ssp_wake_lock);
mutex_destroy(&data->comm_mutex);
mutex_destroy(&data->pending_mutex);
mutex_destroy(&data->tsp_mutex);
err_setup:
kfree(data);
pr_err("[SSP] %s, probe failed!\n", __func__);
exit:
pr_info("#####################################################\n\n");
return iRet;
}