From bca55958ea8758327425a0b5c29770da870d32cb Mon Sep 17 00:00:00 2001 From: Benjamin Gaignard Date: Tue, 3 Jan 2017 12:54:55 -0200 Subject: [PATCH] [media] sti: 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: Benjamin Gaignard Signed-off-by: Hans Verkuil Acked-by: Daniel Vetter Signed-off-by: Mauro Carvalho Chehab --- drivers/gpu/drm/sti/sti_hdmi.c | 11 +++++++++++ drivers/gpu/drm/sti/sti_hdmi.h | 3 +++ 2 files changed, 14 insertions(+) diff --git a/drivers/gpu/drm/sti/sti_hdmi.c b/drivers/gpu/drm/sti/sti_hdmi.c index ce2dcba679d5..243905b6ae59 100644 --- a/drivers/gpu/drm/sti/sti_hdmi.c +++ b/drivers/gpu/drm/sti/sti_hdmi.c @@ -771,6 +771,8 @@ static void sti_hdmi_disable(struct drm_bridge *bridge) clk_disable_unprepare(hdmi->clk_pix); hdmi->enabled = false; + + cec_notifier_set_phys_addr(hdmi->notifier, CEC_PHYS_ADDR_INVALID); } /** @@ -973,6 +975,7 @@ static int sti_hdmi_connector_get_modes(struct drm_connector *connector) DRM_DEBUG_KMS("%s : %dx%d cm\n", (hdmi->hdmi_monitor ? "hdmi monitor" : "dvi monitor"), edid->width_cm, edid->height_cm); + cec_notifier_set_phys_addr_from_edid(hdmi->notifier, edid); count = drm_add_edid_modes(connector, edid); drm_mode_connector_update_edid_property(connector, edid); @@ -1035,6 +1038,7 @@ sti_hdmi_connector_detect(struct drm_connector *connector, bool force) } DRM_DEBUG_DRIVER("hdmi cable disconnected\n"); + cec_notifier_set_phys_addr(hdmi->notifier, CEC_PHYS_ADDR_INVALID); return connector_status_disconnected; } @@ -1423,6 +1427,10 @@ static int sti_hdmi_probe(struct platform_device *pdev) goto release_adapter; } + hdmi->notifier = cec_notifier_get(&pdev->dev); + if (!hdmi->notifier) + goto release_adapter; + hdmi->reset = devm_reset_control_get(dev, "hdmi"); /* Take hdmi out of reset */ if (!IS_ERR(hdmi->reset)) @@ -1442,11 +1450,14 @@ static int sti_hdmi_remove(struct platform_device *pdev) { struct sti_hdmi *hdmi = dev_get_drvdata(&pdev->dev); + cec_notifier_set_phys_addr(hdmi->notifier, CEC_PHYS_ADDR_INVALID); + i2c_put_adapter(hdmi->ddc_adapt); if (hdmi->audio_pdev) platform_device_unregister(hdmi->audio_pdev); component_del(&pdev->dev, &sti_hdmi_ops); + cec_notifier_put(hdmi->notifier); return 0; } diff --git a/drivers/gpu/drm/sti/sti_hdmi.h b/drivers/gpu/drm/sti/sti_hdmi.h index 407012350f1a..c6469b56ce7e 100644 --- a/drivers/gpu/drm/sti/sti_hdmi.h +++ b/drivers/gpu/drm/sti/sti_hdmi.h @@ -11,6 +11,7 @@ #include #include +#include #define HDMI_STA 0x0010 #define HDMI_STA_DLL_LCK BIT(5) @@ -64,6 +65,7 @@ static const struct drm_prop_enum_list colorspace_mode_names[] = { * @audio_pdev: ASoC hdmi-codec platform device * @audio: hdmi audio parameters. * @drm_connector: hdmi connector + * @notifier: hotplug detect notifier */ struct sti_hdmi { struct device dev; @@ -89,6 +91,7 @@ struct sti_hdmi { struct platform_device *audio_pdev; struct hdmi_audio_params audio; struct drm_connector *drm_connector; + struct cec_notifier *notifier; }; u32 hdmi_read(struct sti_hdmi *hdmi, int offset); -- GitLab