C++ (Cpp) check_fwblの例

コード例 #1

ファイル: ssp_dev.c プロジェクト: LuckJC/Adam-Kernel-GS3

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;
}

コード例 #2

ファイル: ssp_dev.c プロジェクト: RyanAM/gs5-kernel

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;
}

コード例 #3

ファイル: ssp_dev.c プロジェクト: ShedrockN4/wiliteneo

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;
}

コード例 #4

ファイル: ssp_dev.c プロジェクト: GAXUSXX/G935FGaXusKernel2

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;
}

コード例 #5

ファイル: ssp_dev.c プロジェクト: AndroidGX/SimpleGX-L-5.0.2_BOE2_G901F

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;
}

コード例 #6

ファイル: ssp_dev.c プロジェクト: AndreiLux/Perseus-S3

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;
}

コード例 #7

ファイル: ssp_dev.c プロジェクト: sdemills/SM-V700

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;
}