HDCP2.2 registers offsets on HDMI are defined along with it constants.
And also timeout macros for HDCP2.2 adaptation for HDMI is defined.
Signed-off-by: Ramalingam C <ramalingam.c@xxxxxxxxx>
---
include/drm/drm_hdcp.h | 36 ++++++++++++++++++++++++++++++++++++
1 file changed, 36 insertions(+)
diff --git a/include/drm/drm_hdcp.h b/include/drm/drm_hdcp.h
index 47862a7..dac9831 100644
--- a/include/drm/drm_hdcp.h
+++ b/include/drm/drm_hdcp.h
@@ -43,6 +43,42 @@ struct wired_rep_send_ack;
struct wired_rep_stream_ready;
/**
+ * Definitions for HDCP2.2 adaptation for HDMI
+ */
+
+#define DRM_HDCP_2_2_DDC_ADDR (0x74>>1)
+
+/* HDCP2.2 TIMEOUTs in mSec */
+#define HDCP_2_2_CERT_TIMEOUT 100
+#define HDCP_2_2_HPRIME_NO_PAIRED_TIMEOUT 1000
+#define HDCP_2_2_HPRIME_PAIRED_TIMEOUT 200
+#define HDCP_2_2_PAIRING_TIMEOUT 200
+#define HDCP_2_2_HDMI_LPRIME_TIMEOUT 20
+#define HDCP_2_2_RECVID_LIST_TIMEOUT 3000
+#define HDCP_2_2_STREAM_READY_TIMEOUT 100
+
+/* HDCP2.2 Register Offsets */
+#define HDMI_HDCP2_REG_VER_OFFSET 0x50
+#define HDMI_HDCP2_REG_WR_MSG_OFFSET 0x60
+#define HDMI_HDCP2_REG_RXSTATUS_OFFSET 0x70
+#define HDMI_HDCP2_REG_RD_MSG_OFFSET 0x80
+#define HDMI_HDCP2_REG_DBG_OFFSET 0xC0
+
+#define HDMI_HDCP_2_2_SUPPORT_MASK (1<<2)
+
+union rx_status_hdmi {
+ struct {
+ uint8_t msg_sz_hi:2;
+ uint8_t ready:1;
+ uint8_t reauth_req:1;
+ uint8_t reserved:4;
+ uint8_t msg_sz_lo;
+ } fields;
+ uint16_t val;
+} __packed;
+
+
+/**
* HDCP Software stack specific
*/
/* Bit mask for HDCP spec ver support */
--
2.7.4
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