forked from ~ljy/RK356X_SDK_RELEASE
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hc
2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c 
 kernel/include/linux/hdmi.h
....@@ -27,6 +27,21 @@
2727 #include <linux/types.h>
2828 #include <linux/device.h>
2929 
30
+enum hdmi_packet_type {
31
+	HDMI_PACKET_TYPE_NULL = 0x00,
32
+	HDMI_PACKET_TYPE_AUDIO_CLOCK_REGEN = 0x01,
33
+	HDMI_PACKET_TYPE_AUDIO_SAMPLE = 0x02,
34
+	HDMI_PACKET_TYPE_GENERAL_CONTROL = 0x03,
35
+	HDMI_PACKET_TYPE_ACP = 0x04,
36
+	HDMI_PACKET_TYPE_ISRC1 = 0x05,
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+	HDMI_PACKET_TYPE_ISRC2 = 0x06,
38
+	HDMI_PACKET_TYPE_ONE_BIT_AUDIO_SAMPLE = 0x07,
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+	HDMI_PACKET_TYPE_DST_AUDIO = 0x08,
40
+	HDMI_PACKET_TYPE_HBR_AUDIO_STREAM = 0x09,
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+	HDMI_PACKET_TYPE_GAMUT_METADATA = 0x0a,
42
+	/* + enum hdmi_infoframe_type */
43
+};
44
+
3045 enum hdmi_infoframe_type {
3146 	HDMI_INFOFRAME_TYPE_VENDOR = 0x81,
3247 	HDMI_INFOFRAME_TYPE_AVI = 0x82,
....@@ -42,6 +57,7 @@
4257 #define HDMI_SPD_INFOFRAME_SIZE    25
4358 #define HDMI_AUDIO_INFOFRAME_SIZE  10
4459 #define HDMI_DRM_INFOFRAME_SIZE    26
60
+#define HDMI_VENDOR_INFOFRAME_SIZE  4
4561 
4662 #define HDMI_INFOFRAME_SIZE(type)	\
4763 	(HDMI_INFOFRAME_HEADER_SIZE + HDMI_ ## type ## _INFOFRAME_SIZE)
....@@ -192,7 +208,7 @@
192208 	u16 max_fall;
193209 };
194210 
195
-int hdmi_avi_infoframe_init(struct hdmi_avi_infoframe *frame);
211
+void hdmi_avi_infoframe_init(struct hdmi_avi_infoframe *frame);
196212 ssize_t hdmi_avi_infoframe_pack(struct hdmi_avi_infoframe *frame, void *buffer,
197213 				size_t size);
198214 ssize_t hdmi_avi_infoframe_pack_only(const struct hdmi_avi_infoframe *frame,
....@@ -204,6 +220,8 @@
204220 ssize_t hdmi_drm_infoframe_pack_only(const struct hdmi_drm_infoframe *frame,
205221 				     void *buffer, size_t size);
206222 int hdmi_drm_infoframe_check(struct hdmi_drm_infoframe *frame);
223
+int hdmi_drm_infoframe_unpack_only(struct hdmi_drm_infoframe *frame,
224
+				   const void *buffer, size_t size);
207225 
208226 enum hdmi_spd_sdi {
209227 	HDMI_SPD_SDI_UNKNOWN,
....@@ -352,8 +370,19 @@
352370 	__u16 min_cll;
353371 };
354372 
373
+/**
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+ * struct hdr_sink_metadata - HDR sink metadata
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+ *
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+ * Metadata Information read from Sink's EDID
377
+ */
355378 struct hdr_sink_metadata {
379
+	/**
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+	 * @metadata_type: Static_Metadata_Descriptor_ID.
381
+	 */
356382 	__u32 metadata_type;
383
+	/**
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+	 * @hdmi_type1: HDR Metadata Infoframe.
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+	 */
357386 	union {
358387 		struct hdr_static_metadata hdmi_type1;
359388 	};
....@@ -383,6 +412,7 @@
383412  * @spd: spd infoframe
384413  * @vendor: union of all vendor infoframes
385414  * @audio: audio infoframe
415
+ * @drm: Dynamic Range and Mastering infoframe
386416  *
387417  * This is used by the generic pack function. This works since all infoframes
388418  * have the same header which also indicates which type of infoframe should be
....@@ -405,6 +435,6 @@
405435 int hdmi_infoframe_unpack(union hdmi_infoframe *frame,
406436 			  const void *buffer, size_t size);
407437 void hdmi_infoframe_log(const char *level, struct device *dev,
408
-			union hdmi_infoframe *frame);
438
+			const union hdmi_infoframe *frame);
409439 
410440 #endif /* _DRM_HDMI_H */