#include <drm/drm_crtc_helper.h>
#include <linux/anon_inodes.h>
+#include <linux/component.h>
#include <drm/exynos_drm.h>
#define VBLANK_OFF_DELAY 50000
-/* platform device pointer for eynos drm device. */
static struct platform_device *exynos_drm_pdev;
+static DEFINE_MUTEX(drm_component_lock);
+static LIST_HEAD(drm_component_list);
+
+struct component_dev {
+ struct list_head list;
+ struct device *dev;
+};
+
static int exynos_drm_load(struct drm_device *dev, unsigned long flags)
{
struct exynos_drm_private *private;
exynos_drm_mode_config_init(dev);
- ret = exynos_drm_initialize_managers(dev);
- if (ret)
- goto err_mode_config_cleanup;
-
for (nr = 0; nr < MAX_PLANE; nr++) {
struct drm_plane *plane;
unsigned long possible_crtcs = (1 << MAX_CRTC) - 1;
plane = exynos_plane_init(dev, possible_crtcs, false);
if (!plane)
- goto err_manager_cleanup;
+ goto err_mode_config_cleanup;
}
- ret = exynos_drm_initialize_displays(dev);
- if (ret)
- goto err_manager_cleanup;
-
/* init kms poll for handling hpd */
drm_kms_helper_poll_init(dev);
ret = drm_vblank_init(dev, MAX_CRTC);
if (ret)
- goto err_display_cleanup;
-
- /*
- * probe sub drivers such as display controller and hdmi driver,
- * that were registered at probe() of platform driver
- * to the sub driver and create encoder and connector for them.
- */
- ret = exynos_drm_device_register(dev);
- if (ret)
- goto err_vblank;
+ goto err_mode_config_cleanup;
/* setup possible_clones. */
exynos_drm_encoder_setup(dev);
platform_set_drvdata(dev->platformdev, dev);
+ /* Try to bind all sub drivers. */
+ ret = component_bind_all(dev->dev, dev);
+ if (ret)
+ goto err_cleanup_vblank;
+
+ /* Probe non kms sub drivers and virtual display driver. */
+ ret = exynos_drm_device_subdrv_probe(dev);
+ if (ret)
+ goto err_unbind_all;
+
/* force connectors detection */
drm_helper_hpd_irq_event(dev);
return 0;
-err_vblank:
+err_unbind_all:
+ component_unbind_all(dev->dev, dev);
+err_cleanup_vblank:
drm_vblank_cleanup(dev);
-err_display_cleanup:
- exynos_drm_remove_displays(dev);
-err_manager_cleanup:
- exynos_drm_remove_managers(dev);
err_mode_config_cleanup:
drm_mode_config_cleanup(dev);
drm_release_iommu_mapping(dev);
static int exynos_drm_unload(struct drm_device *dev)
{
+ exynos_drm_device_subdrv_remove(dev);
+
exynos_drm_fbdev_fini(dev);
- exynos_drm_device_unregister(dev);
drm_vblank_cleanup(dev);
drm_kms_helper_poll_fini(dev);
- exynos_drm_remove_displays(dev);
- exynos_drm_remove_managers(dev);
drm_mode_config_cleanup(dev);
drm_release_iommu_mapping(dev);
kfree(dev->dev_private);
+ component_unbind_all(dev->dev, dev);
dev->dev_private = NULL;
return 0;
if (connector->funcs->dpms)
connector->funcs->dpms(connector, connector->dpms);
}
+ drm_modeset_unlock_all(dev);
drm_helper_resume_force_mode(dev);
- drm_modeset_unlock_all(dev);
return 0;
}
};
static struct drm_driver exynos_drm_driver = {
- .driver_features = DRIVER_HAVE_IRQ | DRIVER_MODESET |
- DRIVER_GEM | DRIVER_PRIME,
+ .driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME,
.load = exynos_drm_load,
.unload = exynos_drm_unload,
.suspend = exynos_drm_suspend,
.minor = DRIVER_MINOR,
};
-static int exynos_drm_platform_probe(struct platform_device *pdev)
-{
- int ret;
-
- ret = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
- if (ret)
- return ret;
-
- pm_runtime_enable(&pdev->dev);
- pm_runtime_get_sync(&pdev->dev);
-
- return drm_platform_init(&exynos_drm_driver, pdev);
-}
-
-static int exynos_drm_platform_remove(struct platform_device *pdev)
-{
- drm_put_dev(platform_get_drvdata(pdev));
-
- return 0;
-}
-
#ifdef CONFIG_PM_SLEEP
static int exynos_drm_sys_suspend(struct device *dev)
{
}
#endif
-#ifdef CONFIG_PM_RUNTIME
-static int exynos_drm_runtime_suspend(struct device *dev)
+static const struct dev_pm_ops exynos_drm_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(exynos_drm_sys_suspend, exynos_drm_sys_resume)
+};
+
+int exynos_drm_component_add(struct device *dev,
+ const struct component_ops *ops)
{
- struct drm_device *drm_dev = dev_get_drvdata(dev);
- pm_message_t message;
+ struct component_dev *cdev;
+ int ret;
- if (pm_runtime_suspended(dev))
- return 0;
+ cdev = kzalloc(sizeof(*cdev), GFP_KERNEL);
+ if (!cdev)
+ return -ENOMEM;
- message.event = PM_EVENT_SUSPEND;
- return exynos_drm_suspend(drm_dev, message);
+ ret = component_add(dev, ops);
+ if (ret) {
+ kfree(cdev);
+ return ret;
+ }
+
+ cdev->dev = dev;
+
+ mutex_lock(&drm_component_lock);
+ list_add_tail(&cdev->list, &drm_component_list);
+ mutex_unlock(&drm_component_lock);
+
+ return 0;
}
-static int exynos_drm_runtime_resume(struct device *dev)
+void exynos_drm_component_del(struct device *dev,
+ const struct component_ops *ops)
{
- struct drm_device *drm_dev = dev_get_drvdata(dev);
+ struct component_dev *cdev, *next;
- if (!pm_runtime_suspended(dev))
- return 0;
+ mutex_lock(&drm_component_lock);
- return exynos_drm_resume(drm_dev);
+ list_for_each_entry_safe(cdev, next, &drm_component_list, list) {
+ if (dev == cdev->dev) {
+ list_del(&cdev->list);
+ kfree(cdev);
+ break;
+ }
+ }
+
+ mutex_unlock(&drm_component_lock);
+
+ component_del(dev, ops);
}
-#endif
-static const struct dev_pm_ops exynos_drm_pm_ops = {
- SET_SYSTEM_SLEEP_PM_OPS(exynos_drm_sys_suspend, exynos_drm_sys_resume)
- SET_RUNTIME_PM_OPS(exynos_drm_runtime_suspend,
- exynos_drm_runtime_resume, NULL)
-};
+static int compare_of(struct device *dev, void *data)
+{
+ return dev == (struct device *)data;
+}
-static struct platform_driver exynos_drm_platform_driver = {
- .probe = exynos_drm_platform_probe,
- .remove = exynos_drm_platform_remove,
- .driver = {
- .owner = THIS_MODULE,
- .name = "exynos-drm",
- .pm = &exynos_drm_pm_ops,
- },
+static int exynos_drm_add_components(struct device *dev, struct master *m)
+{
+ unsigned int attached_cnt = 0;
+ struct component_dev *cdev;
+
+ mutex_lock(&drm_component_lock);
+
+ list_for_each_entry(cdev, &drm_component_list, list) {
+ int ret;
+
+ mutex_unlock(&drm_component_lock);
+
+ ret = component_master_add_child(m, compare_of, cdev->dev);
+ if (!ret)
+ attached_cnt++;
+
+ mutex_lock(&drm_component_lock);
+ }
+
+ mutex_unlock(&drm_component_lock);
+
+ if (!attached_cnt)
+ return -ENXIO;
+
+ return 0;
+}
+
+static int exynos_drm_bind(struct device *dev)
+{
+ return drm_platform_init(&exynos_drm_driver, to_platform_device(dev));
+}
+
+static void exynos_drm_unbind(struct device *dev)
+{
+ drm_put_dev(dev_get_drvdata(dev));
+}
+
+static const struct component_master_ops exynos_drm_ops = {
+ .add_components = exynos_drm_add_components,
+ .bind = exynos_drm_bind,
+ .unbind = exynos_drm_unbind,
};
-static int __init exynos_drm_init(void)
+static int exynos_drm_platform_probe(struct platform_device *pdev)
{
int ret;
+ pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
+ exynos_drm_driver.num_ioctls = DRM_ARRAY_SIZE(exynos_ioctls);
+
+#ifdef CONFIG_DRM_EXYNOS_FIMD
+ ret = platform_driver_register(&fimd_driver);
+ if (ret < 0)
+ return ret;
+#endif
+
#ifdef CONFIG_DRM_EXYNOS_DP
ret = platform_driver_register(&dp_driver);
if (ret < 0)
- goto out_dp;
+ goto err_unregister_fimd_drv;
#endif
#ifdef CONFIG_DRM_EXYNOS_DSI
ret = platform_driver_register(&dsi_driver);
if (ret < 0)
- goto out_dsi;
-#endif
-
-#ifdef CONFIG_DRM_EXYNOS_FIMD
- ret = platform_driver_register(&fimd_driver);
- if (ret < 0)
- goto out_fimd;
+ goto err_unregister_dp_drv;
#endif
#ifdef CONFIG_DRM_EXYNOS_HDMI
- ret = platform_driver_register(&hdmi_driver);
- if (ret < 0)
- goto out_hdmi;
ret = platform_driver_register(&mixer_driver);
if (ret < 0)
- goto out_mixer;
-#endif
-
-#ifdef CONFIG_DRM_EXYNOS_VIDI
- ret = platform_driver_register(&vidi_driver);
+ goto err_unregister_dsi_drv;
+ ret = platform_driver_register(&hdmi_driver);
if (ret < 0)
- goto out_vidi;
+ goto err_unregister_mixer_drv;
#endif
#ifdef CONFIG_DRM_EXYNOS_G2D
ret = platform_driver_register(&g2d_driver);
if (ret < 0)
- goto out_g2d;
+ goto err_unregister_hdmi_drv;
#endif
#ifdef CONFIG_DRM_EXYNOS_FIMC
ret = platform_driver_register(&fimc_driver);
if (ret < 0)
- goto out_fimc;
+ goto err_unregister_g2d_drv;
#endif
#ifdef CONFIG_DRM_EXYNOS_ROTATOR
ret = platform_driver_register(&rotator_driver);
if (ret < 0)
- goto out_rotator;
+ goto err_unregister_fimc_drv;
#endif
#ifdef CONFIG_DRM_EXYNOS_GSC
ret = platform_driver_register(&gsc_driver);
if (ret < 0)
- goto out_gsc;
+ goto err_unregister_rotator_drv;
#endif
#ifdef CONFIG_DRM_EXYNOS_IPP
ret = platform_driver_register(&ipp_driver);
if (ret < 0)
- goto out_ipp;
+ goto err_unregister_gsc_drv;
ret = exynos_platform_device_ipp_register();
if (ret < 0)
- goto out_ipp_dev;
+ goto err_unregister_ipp_drv;
#endif
- ret = platform_driver_register(&exynos_drm_platform_driver);
+ ret = component_master_add(&pdev->dev, &exynos_drm_ops);
if (ret < 0)
- goto out_drm;
-
- exynos_drm_pdev = platform_device_register_simple("exynos-drm", -1,
- NULL, 0);
- if (IS_ERR(exynos_drm_pdev)) {
- ret = PTR_ERR(exynos_drm_pdev);
- goto out;
- }
+ DRM_DEBUG_KMS("re-tried by last sub driver probed later.\n");
return 0;
-out:
- platform_driver_unregister(&exynos_drm_platform_driver);
-
-out_drm:
#ifdef CONFIG_DRM_EXYNOS_IPP
- exynos_platform_device_ipp_unregister();
-out_ipp_dev:
+err_unregister_ipp_drv:
platform_driver_unregister(&ipp_driver);
-out_ipp:
+err_unregister_gsc_drv:
#endif
#ifdef CONFIG_DRM_EXYNOS_GSC
platform_driver_unregister(&gsc_driver);
-out_gsc:
+err_unregister_rotator_drv:
#endif
#ifdef CONFIG_DRM_EXYNOS_ROTATOR
platform_driver_unregister(&rotator_driver);
-out_rotator:
+err_unregister_fimc_drv:
#endif
#ifdef CONFIG_DRM_EXYNOS_FIMC
platform_driver_unregister(&fimc_driver);
-out_fimc:
+err_unregister_g2d_drv:
#endif
#ifdef CONFIG_DRM_EXYNOS_G2D
platform_driver_unregister(&g2d_driver);
-out_g2d:
-#endif
-
-#ifdef CONFIG_DRM_EXYNOS_VIDI
- platform_driver_unregister(&vidi_driver);
-out_vidi:
+err_unregister_hdmi_drv:
#endif
#ifdef CONFIG_DRM_EXYNOS_HDMI
- platform_driver_unregister(&mixer_driver);
-out_mixer:
platform_driver_unregister(&hdmi_driver);
-out_hdmi:
-#endif
-
-#ifdef CONFIG_DRM_EXYNOS_FIMD
- platform_driver_unregister(&fimd_driver);
-out_fimd:
+err_unregister_mixer_drv:
+ platform_driver_unregister(&mixer_driver);
+err_unregister_dsi_drv:
#endif
#ifdef CONFIG_DRM_EXYNOS_DSI
platform_driver_unregister(&dsi_driver);
-out_dsi:
+err_unregister_dp_drv:
#endif
#ifdef CONFIG_DRM_EXYNOS_DP
platform_driver_unregister(&dp_driver);
-out_dp:
+err_unregister_fimd_drv:
+#endif
+
+#ifdef CONFIG_DRM_EXYNOS_FIMD
+ platform_driver_unregister(&fimd_driver);
#endif
return ret;
}
-static void __exit exynos_drm_exit(void)
+static int exynos_drm_platform_remove(struct platform_device *pdev)
{
- platform_device_unregister(exynos_drm_pdev);
-
- platform_driver_unregister(&exynos_drm_platform_driver);
-
#ifdef CONFIG_DRM_EXYNOS_IPP
exynos_platform_device_ipp_unregister();
platform_driver_unregister(&ipp_driver);
platform_driver_unregister(&hdmi_driver);
#endif
-#ifdef CONFIG_DRM_EXYNOS_VIDI
- platform_driver_unregister(&vidi_driver);
-#endif
-
#ifdef CONFIG_DRM_EXYNOS_FIMD
platform_driver_unregister(&fimd_driver);
#endif
#ifdef CONFIG_DRM_EXYNOS_DP
platform_driver_unregister(&dp_driver);
#endif
+ component_master_del(&pdev->dev, &exynos_drm_ops);
+ return 0;
+}
+
+static struct platform_driver exynos_drm_platform_driver = {
+ .probe = exynos_drm_platform_probe,
+ .remove = exynos_drm_platform_remove,
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "exynos-drm",
+ .pm = &exynos_drm_pm_ops,
+ },
+};
+
+static int exynos_drm_init(void)
+{
+ int ret;
+
+ exynos_drm_pdev = platform_device_register_simple("exynos-drm", -1,
+ NULL, 0);
+ if (IS_ERR(exynos_drm_pdev))
+ return PTR_ERR(exynos_drm_pdev);
+
+#ifdef CONFIG_DRM_EXYNOS_VIDI
+ ret = exynos_drm_probe_vidi();
+ if (ret < 0)
+ goto err_unregister_pd;
+#endif
+
+ ret = platform_driver_register(&exynos_drm_platform_driver);
+ if (ret)
+ goto err_remove_vidi;
+
+ return 0;
+
+err_unregister_pd:
+ platform_device_unregister(exynos_drm_pdev);
+
+err_remove_vidi:
+#ifdef CONFIG_DRM_EXYNOS_VIDI
+ exynos_drm_remove_vidi();
+#endif
+
+ return ret;
+}
+
+static void exynos_drm_exit(void)
+{
+#ifdef CONFIG_DRM_EXYNOS_VIDI
+ exynos_drm_remove_vidi();
+#endif
+ platform_device_unregister(exynos_drm_pdev);
+ platform_driver_unregister(&exynos_drm_platform_driver);
}
module_init(exynos_drm_init);
projects / cascardo / linux.git / blobdiff