Esempi in C++ (Cpp) per tegra_camera_get_max_bw

Esempio n. 1

File: camera_emc.c Progetto: 0xroot/Blackphone-BP1-Kernel

int tegra_camera_isomgr_register(struct tegra_camera *camera)
{
	dev_dbg(camera->dev, "%s++\n", __func__);

	/* Dedicated bw is what VI could ask for at most */
	camera->isomgr_handle = tegra_isomgr_register(TEGRA_ISO_CLIENT_VI_0,
					/* dedicated bw, KBps*/
					tegra_camera_get_max_bw(camera),
					NULL,	/* tegra_isomgr_renegotiate */
					NULL);	/* *priv */
	if (!camera->isomgr_handle) {
		dev_err(camera->dev, "%s: unable to register isomgr\n",
					__func__);
		return -ENOMEM;
	}

	return 0;
}

Esempio n. 2

File: camera.c Progetto: Mrchenkeyu/android_kernel_zte_pluto

struct tegra_camera *tegra_camera_register(struct platform_device *ndev)
{
	struct tegra_camera *camera = NULL;
	int ret = 0;
	int i;

	dev_info(&ndev->dev, "%s: ++\n", __func__);

	camera = kzalloc(sizeof(struct tegra_camera), GFP_KERNEL);
	if (!camera) {
		dev_err(&ndev->dev, "can't allocate memory for tegra_camera\n");
		return camera;
	}

	mutex_init(&camera->tegra_camera_lock);

	/* Powergate VE when boot */
	mutex_lock(&camera->tegra_camera_lock);
#ifndef CONFIG_ARCH_TEGRA_2x_SOC
	ret = tegra_camera_powergate_init(camera);
	if (ret)
		goto regulator_fail;
#endif
	mutex_unlock(&camera->tegra_camera_lock);

	camera->dev = &ndev->dev;

	/* Get regulator pointer */
#ifdef CONFIG_ARCH_TEGRA_2x_SOC
	camera->reg = regulator_get(&ndev->dev, "vcsi");
#else
	camera->reg = regulator_get(&ndev->dev, "avdd_dsi_csi");
#endif

	if (IS_ERR_OR_NULL(camera->reg)) {
		ret = -ENODEV;
		if (camera->reg == ERR_PTR(-ENODEV)) {
			camera->reg = NULL;
			dev_info(&ndev->dev,
				"%s: no regulator device, overriding\n",
							__func__);
		} else {
			dev_err(&ndev->dev, "%s: couldn't get regulator\n",
							__func__);
			goto regulator_fail;
		}
	}

	camera->misc_dev.minor = MISC_DYNAMIC_MINOR;
	camera->misc_dev.name = TEGRA_CAMERA_NAME;
	camera->misc_dev.fops = &tegra_camera_fops;
	camera->misc_dev.parent = &ndev->dev;
	ret = misc_register(&camera->misc_dev);
	if (ret) {
		dev_err(&ndev->dev, "%s: unable to register misc device!\n",
			TEGRA_CAMERA_NAME);
		goto misc_register_fail;
	}

	for (i = 0; i < CAMERA_CLK_MAX; i++) {
		ret = tegra_camera_clk_get(ndev, clock_init[i].name,
				&camera->clock[clock_init[i].index].clk);
		if (ret)
			goto clk_get_fail;
	}

#ifdef CONFIG_ARCH_TEGRA_11x_SOC
	/* Dedicated bw is what VI could ask for at most */
	camera->isomgr_handle = tegra_isomgr_register(TEGRA_ISO_CLIENT_VI_0,
					/* dedicated bw, KBps*/
					tegra_camera_get_max_bw(camera),
					NULL,	/* tegra_isomgr_renegotiate */
					NULL);	/* *priv */
	if (!camera->isomgr_handle) {
		dev_err(&ndev->dev, "%s: unable to register isomgr\n",
					__func__);
		goto clk_get_fail;
	}
#endif

	return camera;

clk_get_fail:
	for (; i > 0; i--)
		clk_put(camera->clock[clock_init[i].index].clk);
	misc_deregister(&camera->misc_dev);
misc_register_fail:
	regulator_put(camera->reg);
regulator_fail:
	kfree(camera);
	camera = NULL;
	return camera;
}