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1/* SPDX-License-Identifier: GPL-2.0 */2/*3 * Cadence MHDP8546 DP bridge driver.4 *5 * Copyright (C) 2020 Cadence Design Systems, Inc.6 *7 */8 9#ifndef CDNS_MHDP8546_HDCP_H10#define CDNS_MHDP8546_HDCP_H11 12#include "cdns-mhdp8546-core.h"13 14#define HDCP_MAX_RECEIVERS 3215#define HDCP_RECEIVER_ID_SIZE_BYTES 516#define HDCP_STATUS_SIZE 0x517#define HDCP_PORT_STS_AUTH 0x118#define HDCP_PORT_STS_LAST_ERR_SHIFT 0x519#define HDCP_PORT_STS_LAST_ERR_MASK (0x0F << 5)20#define GET_HDCP_PORT_STS_LAST_ERR(__sts__) \21 (((__sts__) & HDCP_PORT_STS_LAST_ERR_MASK) >> \22 HDCP_PORT_STS_LAST_ERR_SHIFT)23 24#define HDCP_CONFIG_1_4 BIT(0) /* use HDCP 1.4 only */25#define HDCP_CONFIG_2_2 BIT(1) /* use HDCP 2.2 only */26/* use All HDCP versions */27#define HDCP_CONFIG_ALL (BIT(0) | BIT(1))28#define HDCP_CONFIG_NONE 029 30enum {31 HDCP_GENERAL_SET_LC_128,32 HDCP_SET_SEED,33};34 35enum {36 HDCP_TRAN_CONFIGURATION,37 HDCP2X_TX_SET_PUBLIC_KEY_PARAMS,38 HDCP2X_TX_SET_DEBUG_RANDOM_NUMBERS,39 HDCP2X_TX_RESPOND_KM,40 HDCP1_TX_SEND_KEYS,41 HDCP1_TX_SEND_RANDOM_AN,42 HDCP_TRAN_STATUS_CHANGE,43 HDCP2X_TX_IS_KM_STORED,44 HDCP2X_TX_STORE_KM,45 HDCP_TRAN_IS_REC_ID_VALID,46 HDCP_TRAN_RESPOND_RECEIVER_ID_VALID,47 HDCP_TRAN_TEST_KEYS,48 HDCP2X_TX_SET_KM_KEY_PARAMS,49 HDCP_NUM_OF_SUPPORTED_MESSAGES50};51 52enum {53 HDCP_CONTENT_TYPE_0,54 HDCP_CONTENT_TYPE_1,55};56 57#define DRM_HDCP_CHECK_PERIOD_MS (128 * 16)58 59#define HDCP_PAIRING_R_ID 560#define HDCP_PAIRING_M_LEN 1661#define HDCP_KM_LEN 1662#define HDCP_PAIRING_M_EKH 1663 64struct cdns_hdcp_pairing_data {65 u8 receiver_id[HDCP_PAIRING_R_ID];66 u8 m[HDCP_PAIRING_M_LEN];67 u8 km[HDCP_KM_LEN];68 u8 ekh[HDCP_PAIRING_M_EKH];69};70 71enum {72 HDCP_TX_2,73 HDCP_TX_1,74 HDCP_TX_BOTH,75};76 77#define DLP_MODULUS_N 38478#define DLP_E 379 80struct cdns_hdcp_tx_public_key_param {81 u8 N[DLP_MODULUS_N];82 u8 E[DLP_E];83};84 85int cdns_mhdp_hdcp_set_public_key_param(struct cdns_mhdp_device *mhdp,86 struct cdns_hdcp_tx_public_key_param *val);87int cdns_mhdp_hdcp_set_lc(struct cdns_mhdp_device *mhdp, u8 *val);88int cdns_mhdp_hdcp_enable(struct cdns_mhdp_device *mhdp, u8 content_type);89int cdns_mhdp_hdcp_disable(struct cdns_mhdp_device *mhdp);90void cdns_mhdp_hdcp_init(struct cdns_mhdp_device *mhdp);91 92#endif93