93 lines
2.1 KiB
C
93 lines
2.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Cadence MHDP8546 DP bridge driver.
|
|
*
|
|
* Copyright (C) 2020 Cadence Design Systems, Inc.
|
|
*
|
|
*/
|
|
|
|
#ifndef CDNS_MHDP8546_HDCP_H
|
|
#define CDNS_MHDP8546_HDCP_H
|
|
|
|
#include "cdns-mhdp8546-core.h"
|
|
|
|
#define HDCP_MAX_RECEIVERS 32
|
|
#define HDCP_RECEIVER_ID_SIZE_BYTES 5
|
|
#define HDCP_STATUS_SIZE 0x5
|
|
#define HDCP_PORT_STS_AUTH 0x1
|
|
#define HDCP_PORT_STS_LAST_ERR_SHIFT 0x5
|
|
#define HDCP_PORT_STS_LAST_ERR_MASK (0x0F << 5)
|
|
#define GET_HDCP_PORT_STS_LAST_ERR(__sts__) \
|
|
(((__sts__) & HDCP_PORT_STS_LAST_ERR_MASK) >> \
|
|
HDCP_PORT_STS_LAST_ERR_SHIFT)
|
|
|
|
#define HDCP_CONFIG_1_4 BIT(0) /* use HDCP 1.4 only */
|
|
#define HDCP_CONFIG_2_2 BIT(1) /* use HDCP 2.2 only */
|
|
/* use All HDCP versions */
|
|
#define HDCP_CONFIG_ALL (BIT(0) | BIT(1))
|
|
#define HDCP_CONFIG_NONE 0
|
|
|
|
enum {
|
|
HDCP_GENERAL_SET_LC_128,
|
|
HDCP_SET_SEED,
|
|
};
|
|
|
|
enum {
|
|
HDCP_TRAN_CONFIGURATION,
|
|
HDCP2X_TX_SET_PUBLIC_KEY_PARAMS,
|
|
HDCP2X_TX_SET_DEBUG_RANDOM_NUMBERS,
|
|
HDCP2X_TX_RESPOND_KM,
|
|
HDCP1_TX_SEND_KEYS,
|
|
HDCP1_TX_SEND_RANDOM_AN,
|
|
HDCP_TRAN_STATUS_CHANGE,
|
|
HDCP2X_TX_IS_KM_STORED,
|
|
HDCP2X_TX_STORE_KM,
|
|
HDCP_TRAN_IS_REC_ID_VALID,
|
|
HDCP_TRAN_RESPOND_RECEIVER_ID_VALID,
|
|
HDCP_TRAN_TEST_KEYS,
|
|
HDCP2X_TX_SET_KM_KEY_PARAMS,
|
|
HDCP_NUM_OF_SUPPORTED_MESSAGES
|
|
};
|
|
|
|
enum {
|
|
HDCP_CONTENT_TYPE_0,
|
|
HDCP_CONTENT_TYPE_1,
|
|
};
|
|
|
|
#define DRM_HDCP_CHECK_PERIOD_MS (128 * 16)
|
|
|
|
#define HDCP_PAIRING_R_ID 5
|
|
#define HDCP_PAIRING_M_LEN 16
|
|
#define HDCP_KM_LEN 16
|
|
#define HDCP_PAIRING_M_EKH 16
|
|
|
|
struct cdns_hdcp_pairing_data {
|
|
u8 receiver_id[HDCP_PAIRING_R_ID];
|
|
u8 m[HDCP_PAIRING_M_LEN];
|
|
u8 km[HDCP_KM_LEN];
|
|
u8 ekh[HDCP_PAIRING_M_EKH];
|
|
};
|
|
|
|
enum {
|
|
HDCP_TX_2,
|
|
HDCP_TX_1,
|
|
HDCP_TX_BOTH,
|
|
};
|
|
|
|
#define DLP_MODULUS_N 384
|
|
#define DLP_E 3
|
|
|
|
struct cdns_hdcp_tx_public_key_param {
|
|
u8 N[DLP_MODULUS_N];
|
|
u8 E[DLP_E];
|
|
};
|
|
|
|
int cdns_mhdp_hdcp_set_public_key_param(struct cdns_mhdp_device *mhdp,
|
|
struct cdns_hdcp_tx_public_key_param *val);
|
|
int cdns_mhdp_hdcp_set_lc(struct cdns_mhdp_device *mhdp, u8 *val);
|
|
int cdns_mhdp_hdcp_enable(struct cdns_mhdp_device *mhdp, u8 content_type);
|
|
int cdns_mhdp_hdcp_disable(struct cdns_mhdp_device *mhdp);
|
|
void cdns_mhdp_hdcp_init(struct cdns_mhdp_device *mhdp);
|
|
|
|
#endif
|