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/* Copyright (c) 2015-2019, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef __HDCP_QSEECOM_H
#define __HDCP_QSEECOM_H
#include <linux/types.h>
#define HDCP_QSEECOM_ENUM_STR(x) #x
enum hdcp2_app_cmd {
HDCP2_CMD_START,
HDCP2_CMD_START_AUTH,
HDCP2_CMD_STOP,
HDCP2_CMD_PROCESS_MSG,
HDCP2_CMD_TIMEOUT,
HDCP2_CMD_SET_HW_KEY,
HDCP2_CMD_QUERY_STREAM,
};
struct hdcp2_buffer {
unsigned char *data;
u32 length;
};
struct hdcp2_app_data {
u32 timeout;
bool repeater_flag;
struct hdcp2_buffer request; // requests to TA, sent from sink
struct hdcp2_buffer response; // responses from TA, sent to sink
};
static inline const char *hdcp2_app_cmd_str(enum hdcp2_app_cmd cmd)
{
switch (cmd) {
case HDCP2_CMD_START:
return HDCP_QSEECOM_ENUM_STR(HDCP2_CMD_START);
case HDCP2_CMD_START_AUTH:
return HDCP_QSEECOM_ENUM_STR(HDCP2_CMD_START_AUTH);
case HDCP2_CMD_STOP:
return HDCP_QSEECOM_ENUM_STR(HDCP2_CMD_STOP);
case HDCP2_CMD_PROCESS_MSG:
return HDCP_QSEECOM_ENUM_STR(HDCP2_CMD_PROCESS_MSG);
case HDCP2_CMD_TIMEOUT:
return HDCP_QSEECOM_ENUM_STR(HDCP2_CMD_TIMEOUT);
case HDCP2_CMD_SET_HW_KEY:
return HDCP_QSEECOM_ENUM_STR(HDCP2_CMD_SET_HW_KEY);
case HDCP2_CMD_QUERY_STREAM:
return HDCP_QSEECOM_ENUM_STR(HDCP2_CMD_QUERY_STREAM);
default: return "???";
}
}
#ifdef CONFIG_HDCP_QSEECOM
void *hdcp1_init(void);
void hdcp1_deinit(void *data);
bool hdcp1_feature_supported(void *data);
int hdcp1_start(void *data, u32 *aksv_msb, u32 *aksv_lsb);
int hdcp1_set_enc(void *data, bool enable);
void hdcp1_stop(void *data);
void *hdcp2_init(u32 device_type);
void hdcp2_deinit(void *ctx);
bool hdcp2_feature_supported(void *ctx);
int hdcp2_app_comm(void *ctx, enum hdcp2_app_cmd cmd,
struct hdcp2_app_data *app_data);
int hdcp2_open_stream(void *ctx, uint8_t vc_payload_id,
uint8_t stream_number, uint32_t *stream_id);
int hdcp2_close_stream(void *ctx, uint32_t stream_id);
int hdcp2_force_encryption(void *ctx, uint32_t enable);
#else
static inline void *hdcp1_init(void)
{
return NULL;
}
static inline void hdcp1_deinit(void *data)
{
}
static inline bool hdcp1_feature_supported(void *data)
{
return false;
}
static inline int hdcp1_start(void *data, u32 *aksv_msb, u32 *aksv_lsb)
{
return 0;
}
static inline int hdcp1_set_enc(void *data, bool enable)
{
return 0;
}
static inline void hdcp1_stop(void *data)
{
}
static inline void *hdcp2_init(u32 device_type)
{
return NULL;
}
static inline void hdcp2_deinit(void *ctx)
{
}
static inline bool hdcp2_feature_supported(void *ctx)
{
return false;
}
static inline int hdcp2_app_comm(void *ctx, enum hdcp2_app_cmd cmd,
struct hdcp2_app_data *app_data)
{
return 0;
}
static inline int hdcp2_open_stream(void *ctx, uint8_t vc_payload_id,
uint8_t stream_number, uint32_t *stream_id)
{
return 0;
}
static inline int hdcp2_close_stream(void *ctx, uint32_t stream_id)
{
return 0;
}
static inline int hdcp2_force_encryption(void *ctx, uint32_t enable)
{
return 0;
}
#endif
#endif /* __HDCP_QSEECOM_H */
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