diff options
| author | Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com> | 2025-05-17 04:59:45 +0300 |
|---|---|---|
| committer | Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com> | 2025-05-21 01:35:21 +0300 |
| commit | a74288c8ded7c34624e50b4aa8ca37ae6cc03df4 (patch) | |
| tree | fc45ce5fefea46012f0db09b19627eef877c42cc /include/drm | |
| parent | 65a2575a68e4ff03ba887b5aef679fc95405fcd2 (diff) | |
drm/display: bridge-connector: handle CEC adapters
Implement necessary glue code to let DRM bridge drivers to implement CEC
adapters support.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Maxime Ripard <mripard@kernel.org>
Link: https://lore.kernel.org/r/20250517-drm-hdmi-connector-cec-v6-9-35651db6f19b@oss.qualcomm.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Diffstat (limited to 'include/drm')
| -rw-r--r-- | include/drm/drm_bridge.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h index 0e5f6a007d53..cc9f7df38102 100644 --- a/include/drm/drm_bridge.h +++ b/include/drm/drm_bridge.h @@ -32,6 +32,7 @@ #include <drm/drm_mode_object.h> #include <drm/drm_modes.h> +struct cec_msg; struct device_node; struct drm_bridge; @@ -737,6 +738,16 @@ struct drm_bridge_funcs { struct drm_bridge *bridge, bool enable, int direction); + int (*hdmi_cec_init)(struct drm_connector *connector, + struct drm_bridge *bridge); + + int (*hdmi_cec_enable)(struct drm_bridge *bridge, bool enable); + + int (*hdmi_cec_log_addr)(struct drm_bridge *bridge, u8 logical_addr); + + int (*hdmi_cec_transmit)(struct drm_bridge *bridge, u8 attempts, + u32 signal_free_time, struct cec_msg *msg); + /** * @dp_audio_startup: * @@ -912,6 +923,11 @@ enum drm_bridge_ops { * to be present. */ DRM_BRIDGE_OP_HDMI_CEC_NOTIFIER = BIT(7), + /** + * @DRM_BRIDGE_OP_HDMI_CEC_ADAPTER: The bridge requires CEC notifier + * to be present. + */ + DRM_BRIDGE_OP_HDMI_CEC_ADAPTER = BIT(8), }; /** @@ -1048,6 +1064,16 @@ struct drm_bridge { */ int hdmi_audio_dai_port; + /** + * @hdmi_cec_adapter_name: the name of the adapter to register + */ + const char *hdmi_cec_adapter_name; + + /** + * @hdmi_cec_available_las: number of logical addresses, CEC_MAX_LOG_ADDRS if unset + */ + u8 hdmi_cec_available_las; + /** private: */ /** * @hpd_mutex: Protects the @hpd_cb and @hpd_data fields. |