drivers/gpu/drm/i915/display/intel_hdcp_gsc_message.h

   1 /* SPDX-License-Identifier: MIT */
   2 /*
   3  * Copyright © 2023 Intel Corporation
   4  */
   5
   6 #ifndef __INTEL_HDCP_GSC_MESSAGE_H__
   7 #define __INTEL_HDCP_GSC_MESSAGE_H__
   8
   9 #include <linux/types.h>
  10
  11 struct device;
  12 struct drm_i915_private;
  13 struct hdcp_port_data;
  14 struct hdcp2_ake_init;
  15 struct hdcp2_ake_send_cert;
  16 struct hdcp2_ake_no_stored_km;
  17 struct hdcp2_ake_send_hprime;
  18 struct hdcp2_ake_send_pairing_info;
  19 struct hdcp2_lc_init;
  20 struct hdcp2_lc_send_lprime;
  21 struct hdcp2_ske_send_eks;
  22 struct hdcp2_rep_send_receiverid_list;
  23 struct hdcp2_rep_send_ack;
  24 struct hdcp2_rep_stream_ready;
  25
  26 ssize_t intel_hdcp_gsc_msg_send(struct drm_i915_private *i915, u8 *msg_in,
  27                                 size_t msg_in_len, u8 *msg_out,
  28                                 size_t msg_out_len);
  29 bool intel_hdcp_gsc_check_status(struct drm_i915_private *i915);
  30 int
  31 intel_hdcp_gsc_initiate_session(struct device *dev, struct hdcp_port_data *data,
  32                                 struct hdcp2_ake_init *ake_data);
  33 int
  34 intel_hdcp_gsc_verify_receiver_cert_prepare_km(struct device *dev,
  35                                                struct hdcp_port_data *data,
  36                                                struct hdcp2_ake_send_cert *rx_cert,
  37                                                bool *km_stored,
  38                                                struct hdcp2_ake_no_stored_km
  39                                                *ek_pub_km,
  40                                                size_t *msg_sz);
  41 int
  42 intel_hdcp_gsc_verify_hprime(struct device *dev, struct hdcp_port_data *data,
  43                              struct hdcp2_ake_send_hprime *rx_hprime);
  44 int
  45 intel_hdcp_gsc_store_pairing_info(struct device *dev, struct hdcp_port_data *data,
  46                                   struct hdcp2_ake_send_pairing_info *pairing_info);
  47 int
  48 intel_hdcp_gsc_initiate_locality_check(struct device *dev,
  49                                        struct hdcp_port_data *data,
  50                                        struct hdcp2_lc_init *lc_init_data);
  51 int
  52 intel_hdcp_gsc_verify_lprime(struct device *dev, struct hdcp_port_data *data,
  53                              struct hdcp2_lc_send_lprime *rx_lprime);
  54 int intel_hdcp_gsc_get_session_key(struct device *dev,
  55                                    struct hdcp_port_data *data,
  56                                    struct hdcp2_ske_send_eks *ske_data);
  57 int
  58 intel_hdcp_gsc_repeater_check_flow_prepare_ack(struct device *dev,
  59                                                struct hdcp_port_data *data,
  60                                                struct hdcp2_rep_send_receiverid_list
  61                                                *rep_topology,
  62                                                struct hdcp2_rep_send_ack
  63                                                *rep_send_ack);
  64 int intel_hdcp_gsc_verify_mprime(struct device *dev,
  65                                  struct hdcp_port_data *data,
  66                                  struct hdcp2_rep_stream_ready *stream_ready);
  67 int intel_hdcp_gsc_enable_authentication(struct device *dev,
  68                                          struct hdcp_port_data *data);
  69 int
  70 intel_hdcp_gsc_close_session(struct device *dev, struct hdcp_port_data *data);
  71
  72 #endif /* __INTEL_HDCP_GSC_MESSAGE_H__ */