static int tegra_camera_probe(struct platform_device *pdev)
{
int err;
pr_info("%s: probe\n", TEGRA_CAMERA_NAME);
#ifdef CONFIG_ARCH_TEGRA_2x_SOC
tegra_camera_regulator_csi = regulator_get(&pdev->dev, "vcsi");
#else
tegra_camera_regulator_csi = regulator_get(&pdev->dev, "avdd_dsi_csi");
#endif
if (IS_ERR_OR_NULL(tegra_camera_regulator_csi)) {
pr_err("%s: Couldn't get regulator\n", TEGRA_CAMERA_NAME);
return PTR_ERR(tegra_camera_regulator_csi);
}
err = misc_register(&tegra_camera_device);
if (err) {
pr_err("%s: Unable to register misc device!\n",
TEGRA_CAMERA_NAME);
goto misc_register_err;
}
err = tegra_camera_clk_get(pdev, "isp", &isp_clk);
if (err)
goto misc_register_err;
err = tegra_camera_clk_get(pdev, "vi", &vi_clk);
if (err)
goto vi_clk_get_err;
err = tegra_camera_clk_get(pdev, "vi_sensor", &vi_sensor_clk);
if (err)
goto vi_sensor_clk_get_err;
err = tegra_camera_clk_get(pdev, "csus", &csus_clk);
if (err)
goto csus_clk_get_err;
err = tegra_camera_clk_get(pdev, "csi", &csi_clk);
if (err)
goto csi_clk_get_err;
return 0;
csi_clk_get_err:
clk_put(csus_clk);
csus_clk_get_err:
clk_put(vi_sensor_clk);
vi_sensor_clk_get_err:
clk_put(vi_clk);
vi_clk_get_err:
clk_put(isp_clk);
misc_register_err:
regulator_put(tegra_camera_regulator_csi);
return err;
}
static int tegra_camera_probe(struct platform_device *pdev)
{
int err;
struct tegra_camera_dev *dev;
dev_info(&pdev->dev, "%s\n", __func__);
dev = devm_kzalloc(&pdev->dev, sizeof(struct tegra_camera_dev),
GFP_KERNEL);
if (!dev) {
err = -ENOMEM;
dev_err(&pdev->dev, "%s: unable to allocate memory\n",
__func__);
goto alloc_err;
}
mutex_init(&dev->tegra_camera_lock);
/* Powergate VE when boot */
mutex_lock(&dev->tegra_camera_lock);
#ifndef CONFIG_ARCH_TEGRA_2x_SOC
err = tegra_powergate_partition(TEGRA_POWERGATE_VENC);
if (err)
dev_err(&pdev->dev, "%s: powergate failed.\n", __func__);
#endif
mutex_unlock(&dev->tegra_camera_lock);
dev->dev = &pdev->dev;
pdata = pdev->dev.platform_data;
/* Get regulator pointer */
#ifdef CONFIG_ARCH_TEGRA_2x_SOC
dev->reg = regulator_get(&pdev->dev, "vcsi");
#else
dev->reg = regulator_get(&pdev->dev, "avdd_dsi_csi");
#endif
if (IS_ERR_OR_NULL(dev->reg)) {
if (dev->reg == ERR_PTR(-ENODEV)) {
dev->reg = NULL;
dev_info(&pdev->dev, "%s: no regulator device, overriding\n",
__func__);
} else {
dev_err(&pdev->dev, "%s: couldn't get regulator\n",
__func__);
return PTR_ERR(dev->reg);
}
}
regulator_set_voltage(dev->reg, 1200000, 1200000);
dev->misc_dev.minor = MISC_DYNAMIC_MINOR;
dev->misc_dev.name = TEGRA_CAMERA_NAME;
dev->misc_dev.fops = &tegra_camera_fops;
dev->misc_dev.parent = &pdev->dev;
err = misc_register(&dev->misc_dev);
if (err) {
dev_err(&pdev->dev, "%s: Unable to register misc device!\n",
TEGRA_CAMERA_NAME);
goto misc_register_err;
}
err = tegra_camera_clk_get(pdev, "isp", &dev->isp_clk);
if (err)
goto misc_register_err;
err = tegra_camera_clk_get(pdev, "vi", &dev->vi_clk);
if (err)
goto vi_clk_get_err;
err = tegra_camera_clk_get(pdev, "vi_sensor", &dev->vi_sensor_clk);
if (err)
goto vi_sensor_clk_get_err;
err = tegra_camera_clk_get(pdev, "csus", &dev->csus_clk);
if (err)
goto csus_clk_get_err;
err = tegra_camera_clk_get(pdev, "csi", &dev->csi_clk);
if (err)
goto csi_clk_get_err;
err = tegra_camera_clk_get(pdev, "emc", &dev->emc_clk);
if (err)
goto emc_clk_get_err;
/* dev is set in order to restore in _remove */
platform_set_drvdata(pdev, dev);
p_cam_dev = dev;
return 0;
emc_clk_get_err:
clk_put(dev->emc_clk);
csi_clk_get_err:
clk_put(dev->csus_clk);
csus_clk_get_err:
clk_put(dev->vi_sensor_clk);
vi_sensor_clk_get_err:
clk_put(dev->vi_clk);
vi_clk_get_err:
clk_put(dev->isp_clk);
misc_register_err:
regulator_put(dev->reg);
alloc_err:
return err;
}
static int tegra_camera_probe(struct platform_device *pdev)
{
int err;
pr_info("%s: probe\n", TEGRA_CAMERA_NAME);
mutex_lock(&tegra_camera_lock);
tegra_camera_powergate = 0;
err = tegra_powergate_partition(TEGRA_POWERGATE_VENC);
if (err)
pr_err("%s: Powergating failed.\n", __func__);
mutex_unlock(&tegra_camera_lock);
#ifdef CONFIG_ARCH_TEGRA_2x_SOC
tegra_camera_regulator_csi = regulator_get(&pdev->dev, "vcsi");
#else
tegra_camera_regulator_csi = regulator_get(&pdev->dev, "avdd_dsi_csi");
#endif
if (IS_ERR_OR_NULL(tegra_camera_regulator_csi)) {
pr_err("%s: Couldn't get regulator\n", TEGRA_CAMERA_NAME);
return PTR_ERR(tegra_camera_regulator_csi);
}
regulator_set_voltage(tegra_camera_regulator_csi, 1200000, 1200000);
err = misc_register(&tegra_camera_device);
if (err) {
pr_err("%s: Unable to register misc device!\n",
TEGRA_CAMERA_NAME);
goto misc_register_err;
}
err = tegra_camera_clk_get(pdev, "isp", &isp_clk);
if (err)
goto misc_register_err;
err = tegra_camera_clk_get(pdev, "vi", &vi_clk);
if (err)
goto vi_clk_get_err;
err = tegra_camera_clk_get(pdev, "vi_sensor", &vi_sensor_clk);
if (err)
goto vi_sensor_clk_get_err;
err = tegra_camera_clk_get(pdev, "csus", &csus_clk);
if (err)
goto csus_clk_get_err;
err = tegra_camera_clk_get(pdev, "csi", &csi_clk);
if (err)
goto csi_clk_get_err;
return 0;
csi_clk_get_err:
clk_put(csus_clk);
csus_clk_get_err:
clk_put(vi_sensor_clk);
vi_sensor_clk_get_err:
clk_put(vi_clk);
vi_clk_get_err:
clk_put(isp_clk);
misc_register_err:
regulator_put(tegra_camera_regulator_csi);
return err;
}
static int tegra_camera_probe(struct platform_device *pdev)
{
int err;
#ifdef CONFIG_TEGRA_DYNAMIC_CAMERA_CLK_RATE
int i;
graphics_clk_cfg =
(struct tegra_camera_clk_config*) (pdev->dev.platform_data);
graphics_clks = NULL;
graphics_restore_clks = NULL;
set_graphics_clk = 1;
current_usecase = CAMERA_USECASE_PREVIEW;
#endif
pr_info("%s: probe\n", TEGRA_CAMERA_NAME);
#ifndef CONFIG_MACH_N1
tegra_camera_regulator_csi = regulator_get(&pdev->dev, "vcsi");
if (IS_ERR_OR_NULL(tegra_camera_regulator_csi)) {
pr_err("%s: Couldn't get regulator vcsi\n", TEGRA_CAMERA_NAME);
return PTR_ERR(tegra_camera_regulator_csi);
}
#endif
err = misc_register(&tegra_camera_device);
if (err) {
pr_err("%s: Unable to register misc device!\n",
TEGRA_CAMERA_NAME);
goto misc_register_err;
}
#ifdef CONFIG_TEGRA_DYNAMIC_CAMERA_CLK_RATE
err = misc_register(&tegra_camera_clk_device);
if (err) {
pr_err("%s: Unable to register misc clk device!\n",
__func__);
goto misc_register_clk_err;
}
#endif
err = tegra_camera_clk_get(pdev, "isp", &isp_clk);
if (err)
goto misc_register_err;
err = tegra_camera_clk_get(pdev, "vi", &vi_clk);
if (err)
goto vi_clk_get_err;
err = tegra_camera_clk_get(pdev, "vi_sensor", &vi_sensor_clk);
if (err)
goto vi_sensor_clk_get_err;
err = tegra_camera_clk_get(pdev, "csus", &csus_clk);
if (err)
goto csus_clk_get_err;
err = tegra_camera_clk_get(pdev, "csi", &csi_clk);
if (err)
goto csi_clk_get_err;
#ifdef CONFIG_TEGRA_DYNAMIC_CAMERA_CLK_RATE
graphics_clks = tegra_camera_get_clks(
graphics_clk_cfg->n_clks,
graphics_clk_cfg->clk_devs,
graphics_clk_cfg->clk_cons);
if (graphics_clks == NULL)
goto graphic_clk_get_err;
graphics_restore_clks = tegra_camera_get_clks(
graphics_clk_cfg->n_restore_clks,
graphics_clk_cfg->clk_restore_devs,
graphics_clk_cfg->clk_restore_cons);
if (graphics_clks == NULL)
goto graphic_restore_clk_get_err;
graphics_restore_clk_rates = kmalloc(sizeof(unsigned long) *
graphics_clk_cfg->n_restore_clks, GFP_KERNEL);
if (graphics_restore_clk_rates == NULL)
goto graphic_restore_clk_get_err;
#endif
#if defined CONFIG_HAS_EARLYSUSPEND && defined CONFIG_CPU_FREQ
work_q_set_conservative = 0;
INIT_DELAYED_WORK(&scaling_gov_work, set_scaling_gov_work);
#endif
return 0;
#ifdef CONFIG_TEGRA_DYNAMIC_CAMERA_CLK_RATE
graphic_restore_clk_get_err:
for (i = 0; i <graphics_clk_cfg->n_restore_clks
&& graphics_restore_clks[i] != NULL; i++)
clk_put(graphics_restore_clks[i]);
if (graphics_restore_clks != NULL)
kfree(graphics_restore_clks);
if (graphics_restore_clk_rates != NULL)
kfree(graphics_restore_clk_rates);
graphic_clk_get_err:
for (i = 0; i <graphics_clk_cfg->n_clks
&& graphics_clks[i] != NULL; i++)
clk_put(graphics_clks[i]);
if (graphics_clks != NULL)
kfree(graphics_clks);
#endif
csi_clk_get_err:
clk_put(csus_clk);
csus_clk_get_err:
clk_put(vi_sensor_clk);
vi_sensor_clk_get_err:
clk_put(vi_clk);
vi_clk_get_err:
clk_put(isp_clk);
#ifdef CONFIG_TEGRA_DYNAMIC_CAMERA_CLK_RATE
misc_register_clk_err:
misc_deregister(&tegra_camera_device);
#endif
misc_register_err:
regulator_put(tegra_camera_regulator_csi);
return err;
}
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;
}