int init_mali(void)
{
	int ret = 0;

	ret = map_errcode(initialize_kernel_device());
	if (0 != ret) goto initialize_kernel_device_failed;

	ret = map_errcode(mali_platform_init());
	if (0 != ret) goto platform_init_failed;

	mali_osk_low_level_mem_init();

	ret = map_errcode(mali_initialize_subsystems());
	if (0 != ret) goto initialize_subsystems_failed;

	ret = initialize_sysfs();
	if (0 != ret) goto initialize_sysfs_failed;

	MALI_PRINT(("Mali device driver loaded\n"));

	return 0; /* Success */

	/* Error handling */
initialize_sysfs_failed:
	mali_terminate_subsystems();
initialize_subsystems_failed:
	mali_osk_low_level_mem_term();
	mali_platform_deinit();
platform_init_failed:
	terminate_kernel_device();
initialize_kernel_device_failed:
	_mali_dev_platform_unregister();
platform_register_failed:
	return ret;
}
int mali_driver_init(void)
{
	int ret = 0;

	MALI_DEBUG_PRINT(2, ("\n"));
	MALI_DEBUG_PRINT(2, ("Inserting Mali v%d device driver. \n",_MALI_API_VERSION));
	MALI_DEBUG_PRINT(2, ("Compiled: %s, time: %s.\n", __DATE__, __TIME__));
	MALI_DEBUG_PRINT(2, ("Driver revision: %s\n", SVN_REV_STRING));

	ret = _mali_dev_platform_register();
	if (0 != ret) goto platform_register_failed;
	ret = map_errcode(initialize_kernel_device());
	if (0 != ret) goto initialize_kernel_device_failed;

	ret = map_errcode(mali_platform_init());
	if (0 != ret) goto platform_init_failed;

	mali_osk_low_level_mem_init();

	ret = map_errcode(mali_initialize_subsystems());
	if (0 != ret) goto initialize_subsystems_failed;

#if MALI_INTERNAL_TIMELINE_PROFILING_ENABLED
        ret = _mali_internal_profiling_init(mali_boot_profiling ? MALI_TRUE : MALI_FALSE);
        if (0 != ret)
        {
                /* No biggie if we wheren't able to initialize the profiling */
                MALI_PRINT_ERROR(("Failed to initialize profiling, feature will be unavailable\n"));
        }
#endif

	ret = initialize_sysfs();
	if (0 != ret) goto initialize_sysfs_failed;

	MALI_PRINT(("Mali device driver loaded\n"));

	return 0; /* Success */

	/* Error handling */
initialize_sysfs_failed:
#if MALI_INTERNAL_TIMELINE_PROFILING_ENABLED
        _mali_internal_profiling_term();
#endif
	mali_terminate_subsystems();
initialize_subsystems_failed:
	mali_osk_low_level_mem_term();
	mali_platform_deinit();
platform_init_failed:
	terminate_kernel_device();
initialize_kernel_device_failed:
	_mali_dev_platform_unregister();
platform_register_failed:
	return ret;
}
int mali_driver_init(void)
{
	int ret = 0;

	MALI_DEBUG_PRINT(2, ("\n"));
	MALI_DEBUG_PRINT(2, ("Inserting Mali v%d device driver. \n",_MALI_API_VERSION));
	MALI_DEBUG_PRINT(2, ("Compiled: %s, time: %s.\n", __DATE__, __TIME__));
	MALI_DEBUG_PRINT(2, ("Driver revision: %s\n", SVN_REV_STRING));

	ret = _mali_dev_platform_register();
	if (0 != ret) goto platform_register_failed;
	ret = map_errcode(initialize_kernel_device());
	if (0 != ret) goto initialize_kernel_device_failed;

	ret = map_errcode(mali_platform_init());
	if (0 != ret) goto platform_init_failed;

	mali_osk_low_level_mem_init();

	ret = map_errcode(mali_initialize_subsystems());
	if (0 != ret) goto initialize_subsystems_failed;

	ret = initialize_sysfs();
	if (0 != ret) goto initialize_sysfs_failed;

	MALI_PRINT(("Mali device driver loaded\n"));

	return 0; /* Success */

	/* Error handling */
initialize_sysfs_failed:
	mali_terminate_subsystems();
initialize_subsystems_failed:
	mali_osk_low_level_mem_term();
	mali_platform_deinit();
platform_init_failed:
	terminate_kernel_device();
initialize_kernel_device_failed:
	_mali_dev_platform_unregister();
platform_register_failed:
	return ret;
}
int mali_driver_init(void)
{
	int ret = 0;

	MALI_DEBUG_PRINT(2, ("\n"));
	MALI_DEBUG_PRINT(2, ("Inserting Mali v%d device driver. \n",_MALI_API_VERSION));
	MALI_DEBUG_PRINT(2, ("Compiled: %s, time: %s.\n", __DATE__, __TIME__));
	MALI_DEBUG_PRINT(2, ("Driver revision: %s\n", SVN_REV_STRING));

	ret = _mali_dev_platform_register();
	if (0 != ret) goto platform_register_failed;
	ret = map_errcode(initialize_kernel_device());
	if (0 != ret) goto initialize_kernel_device_failed;

	ret = map_errcode(mali_platform_init());
	if (0 != ret) goto platform_init_failed;

	mali_osk_low_level_mem_init();

	ret = map_errcode(mali_initialize_subsystems());
	if (0 != ret) goto initialize_subsystems_failed;

#if MALI_INTERNAL_TIMELINE_PROFILING_ENABLED
        ret = _mali_internal_profiling_init(mali_boot_profiling ? MALI_TRUE : MALI_FALSE);
        if (0 != ret)
        {
                /* No biggie if we wheren't able to initialize the profiling */
                MALI_PRINT_ERROR(("Failed to initialize profiling, feature will be unavailable\n"));
        }
#endif

	ret = initialize_sysfs();
	if (0 != ret) goto initialize_sysfs_failed;

#if MALI_LICENSE_IS_GPL && defined(CONFIG_MALI_UMP_R3P1_DEBUG_MEM_USAGE_FOR_OOM)
	ret = register_oom_notifier(&mali_oom_notifier);
	if (0 != ret) goto initialize_oom_nofifier_failed;
#endif

	MALI_PRINT(("Mali device driver loaded\n"));

	return 0; /* Success */

	/* Error handling */
#if MALI_LICENSE_IS_GPL && defined(CONFIG_MALI_UMP_R3P1_DEBUG_MEM_USAGE_FOR_OOM)
initialize_oom_nofifier_failed:
	/* No need to terminate sysfs, this will be done automatically
	 * along with device termination */
#endif
initialize_sysfs_failed:
#if MALI_INTERNAL_TIMELINE_PROFILING_ENABLED
        _mali_internal_profiling_term();
#endif
	mali_terminate_subsystems();
initialize_subsystems_failed:
	mali_osk_low_level_mem_term();
	mali_platform_deinit();
platform_init_failed:
	terminate_kernel_device();
initialize_kernel_device_failed:
	_mali_dev_platform_unregister();
platform_register_failed:
	return ret;
}
Esempio n. 5
0
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;
}
Esempio n. 6
0
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;
}
Esempio n. 7
0
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;
}
Esempio n. 8
0
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;
}
Esempio n. 9
0
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;
}
Esempio n. 11
0
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;
}
Esempio n. 12
0
static int omap_dss_probe(struct platform_device *pdev)
{
	struct omap_dss_platform_data *pdata = pdev->dev.platform_data;

	int r;

	dss.pdev = pdev;

	r = get_dss_clocks();
	if (r)
		goto fail0;

	dss_clk_enable_all_no_ctx();

	dss.ctx_id = dss_get_ctx_id();
	DSSDBG("initial ctx id %u\n", dss.ctx_id);

	r = dss_init();
	if (r) {
		DSSERR("Failed to initialize DSS\n");
		goto fail0;
	}

#ifdef CONFIG_OMAP2_DSS_RFBI
	r = rfbi_init();
	if (r) {
		DSSERR("Failed to initialize rfbi\n");
		goto fail0;
	}
#endif

	r = dpi_init();
	if (r) {
		DSSERR("Failed to initialize dpi\n");
		goto fail0;
	}

	r = dispc_init();
	if (r) {
		DSSERR("Failed to initialize dispc\n");
		goto fail0;
	}
#ifdef CONFIG_OMAP2_DSS_VENC
	r = venc_init();
	if (r) {
		DSSERR("Failed to initialize venc\n");
		goto fail0;
	}
#endif
	if (cpu_is_omap34xx()) {
#ifdef CONFIG_OMAP2_DSS_SDI
		r = sdi_init();
		if (r) {
			DSSERR("Failed to initialize SDI\n");
			goto fail0;
		}
#endif
#ifdef CONFIG_OMAP2_DSS_DSI
		r = dsi_init();
		if (r) {
			DSSERR("Failed to initialize DSI\n");
			goto fail0;
		}
#endif
	}

	initialize_displays(pdata);

	r = initialize_sysfs(&pdev->dev);
	if (r)
		goto fail0;

	initialize_overlays(def_disp_name);

	dss_clk_disable_all();

	return 0;

	/* XXX fail correctly */
fail0:
	return r;
}