From: Ramalingam C <ramalingam.c@xxxxxxxxx>
Data structures and Enum for the I915-MEI_HDCP interface are defined
at <linux/mei_hdcp.h>
v2:
Rebased.
v3:
mei_cl_device is removed from mei_hdcp_data [Tomas]
v4:
Comment style and typo fixed [Uma]
v5:
Rebased.
v6:
No changes.
v7:
Remove redundant text from the License header
Change uintXX_t type to uXX_t types
Remove uneeded include to mei_cl_bus.h
Signed-off-by: Ramalingam C <ramalingam.c@xxxxxxxxx>
Signed-off-by: Tomas Winkler <tomas.winkler@xxxxxxxxx>
---
include/linux/mei_hdcp.h | 77 ++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 77 insertions(+)
create mode 100644 include/linux/mei_hdcp.h
diff --git a/include/linux/mei_hdcp.h b/include/linux/mei_hdcp.h
new file mode 100644
index 000000000000..0e64844a397c
--- /dev/null
+++ b/include/linux/mei_hdcp.h
@@ -0,0 +1,77 @@
+/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
+/*
+ * Copyright © 2017-2018 Intel Corporation
+ */
+
+#ifndef _LINUX_MEI_HDCP_H
+#define _LINUX_MEI_HDCP_H
+
+/*
+ * Enumeration of the physical DDI available on the platform
+ */
+enum hdcp_physical_port {
+ INVALID_PORT = 0x00, /* Not a valid port */
+
+ DDI_RANGE_BEGIN = 0x01, /* Beginning of the valid DDI port range */
+ DDI_B = 0x01, /* Port DDI B */
+ DDI_C = 0x02, /* Port DDI C */
+ DDI_D = 0x03, /* Port DDI D */
+ DDI_E = 0x04, /* Port DDI E */
+ DDI_F = 0x05, /* Port DDI F */
+ DDI_A = 0x07, /* Port DDI A */
+ DDI_RANGE_END = DDI_A,/* End of the valid DDI port range */
+};
+
+/* The types of HDCP 2.2 ports supported */
+enum hdcp_integrated_port_type {
+ HDCP_INVALID_TYPE = 0x00,
+
+ /* HDCP 2.x ports that are integrated into Intel HW */
+ INTEGRATED = 0x01,
+
+ /* HDCP2.2 discrete wired Tx port with LSPCON (HDMI 2.0) solution */
+ LSPCON = 0x02,
+
+ /* HDCP2.2 discrete wired Tx port using the CPDP (DP 1.3) solution */
+ CPDP = 0x03,
+};
+
+/*
+ * wired_protocol: Supported integrated wired HDCP protocol.
+ * Based on this value, Minor difference needed between wired specifications
+ * are handled.
+ */
+enum hdcp_protocol {
+ HDCP_PROTOCOL_INVALID,
+ HDCP_PROTOCOL_HDMI,
+ HDCP_PROTOCOL_DP
+};
+
+/*
+ * mei_hdcp_data: Input data to the mei_hdcp APIs.
+ */
+struct mei_hdcp_data {
+ enum hdcp_physical_port port;
+ enum hdcp_integrated_port_type port_type;
+ enum hdcp_protocol protocol;
+
+ /*
+ * No of streams transmitted on a port.
+ * In case of HDMI & DP SST, single stream will be
+ * transmitted on a port.
+ */
+ u16 k;
+
+ /*
+ * Count of RepeaterAuth_Stream_Manage msg propagated.
+ * Initialized to 0 on AKE_INIT. Incremented after every successful
+ * transmission of RepeaterAuth_Stream_Manage message. When it rolls
+ * over re-Auth has to be triggered.
+ */
+ u32 seq_num_m;
+
+ /* k(No of Streams per port) x structure of wired_streamid_type */
+ struct hdcp2_streamid_type *streams;
+};
+
+#endif /* !_LINUX_MEI_HDCP_H */
--
2.14.4
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