1 /* 2 * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #ifndef CDN_DP_H 8 #define CDN_DP_H 9 10 #include <plat_private.h> 11 12 enum { 13 CDN_DP_HDCP_1X_KSV_LEN = 5, 14 CDN_DP_HDCP_KSV_LEN = 8, 15 CDN_DP_HDCP_RESERVED_LEN = 10, 16 CDN_DP_HDCP_UID_LEN = 16, 17 CDN_DP_HDCP_SHA_LEN = 20, 18 CDN_DP_HDCP_DPK_LEN = 280, 19 CDN_DP_HDCP_1X_KEYS_LEN = 285, 20 CDN_DP_HDCP_KEY_LEN = 326, 21 }; 22 23 struct cdn_dp_hdcp_key_1x { 24 uint8_t ksv[CDN_DP_HDCP_KSV_LEN]; 25 uint8_t device_key[CDN_DP_HDCP_DPK_LEN]; 26 uint8_t sha1[CDN_DP_HDCP_SHA_LEN]; 27 uint8_t uid[CDN_DP_HDCP_UID_LEN]; 28 uint16_t seed; 29 uint8_t reserved[CDN_DP_HDCP_RESERVED_LEN]; 30 }; 31 32 #define HDCP_KEY_DATA_START_TRANSFER 0 33 #define HDCP_KEY_DATA_START_DECRYPT 1 34 #define HDCP_KEY_1X_STORE_DATA_ALIGN_SIZE (6 * 64) / 8 35 36 /* Checks the cdn_dp_hdcp_key_1x must be aligned on 6 x 64-bit word boundary */ 37 CASSERT(sizeof(struct cdn_dp_hdcp_key_1x) % HDCP_KEY_1X_STORE_DATA_ALIGN_SIZE, \ 38 assert_hdcp_key_1x_store_data_align_size_mismatch); 39 40 uint64_t dp_hdcp_ctrl(uint64_t type); 41 42 uint64_t dp_hdcp_store_key(uint64_t x1, 43 uint64_t x2, 44 uint64_t x3, 45 uint64_t x4, 46 uint64_t x5, 47 uint64_t x6); 48 49 #endif /* CDN_DP_H */ 50