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[media] exynos_hdmi: add CEC notifier support

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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>
This commit is contained in:
Hans Verkuil 2016-12-13 11:07:17 -02:00 committed by Mauro Carvalho Chehab
parent ed3022de6d
commit 278c811c5d
1 changed files with 17 additions and 2 deletions
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19
drivers/gpu/drm/exynos/exynos_hdmi.c
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@ -43,6 +43,8 @@
#include <drm/exynos_drm.h>
#include <media/cec-notifier.h>
#include "exynos_drm_drv.h"
#include "exynos_drm_crtc.h"
@ -119,6 +121,7 @@ struct hdmi_context {
bool dvi_mode;
struct delayed_work hotplug_work;
struct drm_display_mode current_mode;
struct cec_notifier *notifier;
const struct hdmi_driver_data *drv_data;
void __iomem *regs;
@ -822,6 +825,7 @@ static enum drm_connector_status hdmi_detect(struct drm_connector *connector,
if (gpiod_get_value(hdata->hpd_gpio))
return connector_status_connected;
cec_notifier_set_phys_addr(hdata->notifier, CEC_PHYS_ADDR_INVALID);
return connector_status_disconnected;
}
@ -860,6 +864,7 @@ static int hdmi_get_modes(struct drm_connector *connector)
edid->width_cm, edid->height_cm);
drm_mode_connector_update_edid_property(connector, edid);
cec_notifier_set_phys_addr_from_edid(hdata->notifier, edid);
ret = drm_add_edid_modes(connector, edid);
@ -1503,6 +1508,7 @@ static void hdmi_disable(struct drm_encoder *encoder)
if (funcs && funcs->disable)
(*funcs->disable)(crtc);
cec_notifier_set_phys_addr(hdata->notifier, CEC_PHYS_ADDR_INVALID);
cancel_delayed_work(&hdata->hotplug_work);
hdmiphy_disable(hdata);
@ -1878,15 +1884,22 @@ static int hdmi_probe(struct platform_device *pdev)
}
}
hdata->notifier = cec_notifier_get(&pdev->dev);
if (hdata->notifier == NULL) {
ret = -ENOMEM;
goto err_hdmiphy;
}
pm_runtime_enable(dev);
ret = component_add(&pdev->dev, &hdmi_component_ops);
if (ret)
goto err_disable_pm_runtime;
goto err_notifier_put;
return ret;
err_disable_pm_runtime:
err_notifier_put:
cec_notifier_put(hdata->notifier);
pm_runtime_disable(dev);
err_hdmiphy:
@ -1905,9 +1918,11 @@ static int hdmi_remove(struct platform_device *pdev)
struct hdmi_context *hdata = platform_get_drvdata(pdev);
cancel_delayed_work_sync(&hdata->hotplug_work);
cec_notifier_set_phys_addr(hdata->notifier, CEC_PHYS_ADDR_INVALID);
component_del(&pdev->dev, &hdmi_component_ops);
cec_notifier_put(hdata->notifier);
pm_runtime_disable(&pdev->dev);
if (!IS_ERR(hdata->reg_hdmi_en))