[media] exynos_hdmi: add CEC notifier support
Implement the CEC notifier support to allow CEC drivers to be informed when there is a new physical address. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Acked-by: Krzysztof Kozlowski <krzk@kernel.org> Reviewed-by: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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@ -43,6 +43,8 @@
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#include <drm/exynos_drm.h>
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#include <media/cec-notifier.h>
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#include "exynos_drm_drv.h"
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#include "exynos_drm_crtc.h"
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@ -119,6 +121,7 @@ struct hdmi_context {
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bool dvi_mode;
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struct delayed_work hotplug_work;
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struct drm_display_mode current_mode;
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struct cec_notifier *notifier;
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const struct hdmi_driver_data *drv_data;
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void __iomem *regs;
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@ -822,6 +825,7 @@ static enum drm_connector_status hdmi_detect(struct drm_connector *connector,
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if (gpiod_get_value(hdata->hpd_gpio))
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return connector_status_connected;
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cec_notifier_set_phys_addr(hdata->notifier, CEC_PHYS_ADDR_INVALID);
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return connector_status_disconnected;
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}
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@ -860,6 +864,7 @@ static int hdmi_get_modes(struct drm_connector *connector)
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edid->width_cm, edid->height_cm);
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drm_mode_connector_update_edid_property(connector, edid);
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cec_notifier_set_phys_addr_from_edid(hdata->notifier, edid);
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ret = drm_add_edid_modes(connector, edid);
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@ -1503,6 +1508,7 @@ static void hdmi_disable(struct drm_encoder *encoder)
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if (funcs && funcs->disable)
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(*funcs->disable)(crtc);
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cec_notifier_set_phys_addr(hdata->notifier, CEC_PHYS_ADDR_INVALID);
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cancel_delayed_work(&hdata->hotplug_work);
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hdmiphy_disable(hdata);
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@ -1878,15 +1884,22 @@ static int hdmi_probe(struct platform_device *pdev)
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}
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}
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hdata->notifier = cec_notifier_get(&pdev->dev);
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if (hdata->notifier == NULL) {
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ret = -ENOMEM;
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goto err_hdmiphy;
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}
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pm_runtime_enable(dev);
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ret = component_add(&pdev->dev, &hdmi_component_ops);
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if (ret)
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goto err_disable_pm_runtime;
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goto err_notifier_put;
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return ret;
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err_disable_pm_runtime:
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err_notifier_put:
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cec_notifier_put(hdata->notifier);
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pm_runtime_disable(dev);
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err_hdmiphy:
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@ -1905,9 +1918,11 @@ static int hdmi_remove(struct platform_device *pdev)
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struct hdmi_context *hdata = platform_get_drvdata(pdev);
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cancel_delayed_work_sync(&hdata->hotplug_work);
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cec_notifier_set_phys_addr(hdata->notifier, CEC_PHYS_ADDR_INVALID);
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component_del(&pdev->dev, &hdmi_component_ops);
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cec_notifier_put(hdata->notifier);
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pm_runtime_disable(&pdev->dev);
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if (!IS_ERR(hdata->reg_hdmi_en))
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