mirror of
https://github.com/rd-stuffs/msm-4.14.git
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9df5c68339
Create separate modules to handle QSEECOM communications with the TrustZone layer and to manage the HDCP 2.2 state machine. This modularization will improve the extensibility and testability of each module. CRs-Fixed: 2213798 Change-Id: I9bedd5d97e855d164650ca70a785698403851f25 Signed-off-by: Ajay Singh Parmar <aparmar@codeaurora.org> Signed-off-by: Tatenda Chipeperekwa <tatendac@codeaurora.org>
119 lines
2.7 KiB
C
119 lines
2.7 KiB
C
/* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __HDCP_QSEECOM_H
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#define __HDCP_QSEECOM_H
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#include <linux/types.h>
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#define HDCP_QSEECOM_ENUM_STR(x) #x
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enum hdcp2_app_cmd {
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HDCP2_CMD_START,
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HDCP2_CMD_STOP,
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HDCP2_CMD_PROCESS_MSG,
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HDCP2_CMD_TIMEOUT,
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HDCP2_CMD_EN_ENCRYPTION,
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HDCP2_CMD_QUERY_STREAM,
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};
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struct hdcp2_buffer {
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unsigned char *data;
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u32 length;
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};
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struct hdcp2_app_data {
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u32 timeout;
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bool repeater_flag;
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struct hdcp2_buffer request; // requests to TA, sent from sink
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struct hdcp2_buffer response; // responses from TA, sent to sink
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};
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static inline const char *hdcp2_app_cmd_str(enum hdcp2_app_cmd cmd)
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{
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switch (cmd) {
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case HDCP2_CMD_START:
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return HDCP_QSEECOM_ENUM_STR(HDCP2_CMD_START);
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case HDCP2_CMD_STOP:
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return HDCP_QSEECOM_ENUM_STR(HDCP2_CMD_STOP);
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case HDCP2_CMD_PROCESS_MSG:
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return HDCP_QSEECOM_ENUM_STR(HDCP2_CMD_PROCESS_MSG);
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case HDCP2_CMD_TIMEOUT:
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return HDCP_QSEECOM_ENUM_STR(HDCP2_CMD_TIMEOUT);
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case HDCP2_CMD_EN_ENCRYPTION:
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return HDCP_QSEECOM_ENUM_STR(HDCP2_CMD_EN_ENCRYPTION);
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case HDCP2_CMD_QUERY_STREAM:
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return HDCP_QSEECOM_ENUM_STR(HDCP2_CMD_QUERY_STREAM);
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default: return "???";
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}
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}
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#ifdef CONFIG_HDCP_QSEECOM
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void *hdcp1_init(void);
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void hdcp1_deinit(void *data);
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bool hdcp1_feature_supported(void *data);
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int hdcp1_set_keys(void *data, uint32_t *aksv_msb, uint32_t *aksv_lsb);
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int hdcp1_set_enc(void *data, bool enable);
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void *hdcp2_init(u32 device_type);
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void hdcp2_deinit(void *ctx);
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bool hdcp2_feature_supported(void *ctx);
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int hdcp2_app_comm(void *ctx, enum hdcp2_app_cmd cmd,
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struct hdcp2_app_data *app_data);
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#else
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static inline void *hdcp1_init(void)
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{
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return NULL;
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}
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static inline void hdcp1_deinit(void *data)
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{
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}
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static inline bool hdcp1_feature_supported(void *data)
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{
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return false;
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}
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static inline int hdcp1_set_keys(void *data, uint32_t *aksv_msb,
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uint32_t *aksv_lsb)
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{
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return 0;
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}
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static inline int hdcp1_set_enc(void *data, bool enable)
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{
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return 0;
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}
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static inline void *hdcp2_init(u32 device_type)
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{
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return NULL;
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}
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static inline void hdcp2_deinit(void *ctx)
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{
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}
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static inline bool hdcp2_feature_supported(void *ctx)
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{
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return false;
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}
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static inline int hdcp2_app_comm(void *ctx, enum hdcp2_app_cmd cmd,
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struct hdcp2_app_data *app_data)
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{
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return 0;
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}
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#endif
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#endif /* __HDCP_QSEECOM_H */
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