kernel-fxtec-pro1x/include/linux/hdcp_qseecom.h
Christopher Braga 86411ada84 drm/msm/hdcp: Update HDCP QSEECOM to start auth on user command
Split HDCP QSEECOM interface to separate authentication start
from library initialization. Update DP and SDE driver code to
conform to this new interface.

Change-Id: I4780f41cba6b08e6b4a139c0fbe324ec8be803f7
Signed-off-by: Shivaprasad Hongal <shongal@codeaurora.org>
Signed-off-by: Christopher Braga <cbraga@codeaurora.org>
Signed-off-by: Tatenda Chipeperekwa <tatendac@codeaurora.org>
2019-03-26 09:16:02 -07:00

138 lines
3 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2015-2019, The Linux Foundation. All rights reserved.
*/
#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_EN_ENCRYPTION,
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_EN_ENCRYPTION:
return HDCP_QSEECOM_ENUM_STR(HDCP2_CMD_EN_ENCRYPTION);
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 */