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Diffstat (limited to '')
| -rw-r--r-- | plat/rockchip/rk3399/drivers/dp/cdn_dp.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/plat/rockchip/rk3399/drivers/dp/cdn_dp.h b/plat/rockchip/rk3399/drivers/dp/cdn_dp.h new file mode 100644 index 0000000..c5cbae2 --- /dev/null +++ b/plat/rockchip/rk3399/drivers/dp/cdn_dp.h @@ -0,0 +1,49 @@ +/* + * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef CDN_DP_H +#define CDN_DP_H + +#include <plat_private.h> + +enum { + CDN_DP_HDCP_1X_KSV_LEN = 5, + CDN_DP_HDCP_KSV_LEN = 8, + CDN_DP_HDCP_RESERVED_LEN = 10, + CDN_DP_HDCP_UID_LEN = 16, + CDN_DP_HDCP_SHA_LEN = 20, + CDN_DP_HDCP_DPK_LEN = 280, + CDN_DP_HDCP_1X_KEYS_LEN = 285, + CDN_DP_HDCP_KEY_LEN = 326, +}; + +struct cdn_dp_hdcp_key_1x { + uint8_t ksv[CDN_DP_HDCP_KSV_LEN]; + uint8_t device_key[CDN_DP_HDCP_DPK_LEN]; + uint8_t sha1[CDN_DP_HDCP_SHA_LEN]; + uint8_t uid[CDN_DP_HDCP_UID_LEN]; + uint16_t seed; + uint8_t reserved[CDN_DP_HDCP_RESERVED_LEN]; +}; + +#define HDCP_KEY_DATA_START_TRANSFER 0 +#define HDCP_KEY_DATA_START_DECRYPT 1 +#define HDCP_KEY_1X_STORE_DATA_ALIGN_SIZE (6 * 64) / 8 + +/* Checks the cdn_dp_hdcp_key_1x must be aligned on 6 x 64-bit word boundary */ +CASSERT(sizeof(struct cdn_dp_hdcp_key_1x) % HDCP_KEY_1X_STORE_DATA_ALIGN_SIZE, \ + assert_hdcp_key_1x_store_data_align_size_mismatch); + +uint64_t dp_hdcp_ctrl(uint64_t type); + +uint64_t dp_hdcp_store_key(uint64_t x1, + uint64_t x2, + uint64_t x3, + uint64_t x4, + uint64_t x5, + uint64_t x6); + +#endif /* CDN_DP_H */ |