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

   1 /* SPDX-License-Identifier: MIT */
   2 /*
   3  * Copyright © 2019 Intel Corporation
   4  */
   5
   6 #ifndef __INTEL_HDCP_H__
   7 #define __INTEL_HDCP_H__
   8
   9 #include <linux/types.h>
  10
  11 #define HDCP_ENCRYPT_STATUS_CHANGE_TIMEOUT_MS   50
  12
  13 struct drm_connector;
  14 struct drm_connector_state;
  15 struct drm_i915_private;
  16 struct intel_atomic_state;
  17 struct intel_connector;
  18 struct intel_crtc_state;
  19 struct intel_encoder;
  20 struct intel_hdcp_shim;
  21 struct intel_digital_port;
  22 enum port;
  23 enum transcoder;
  24
  25 void intel_hdcp_atomic_check(struct drm_connector *connector,
  26                              struct drm_connector_state *old_state,
  27                              struct drm_connector_state *new_state);
  28 int intel_hdcp_init(struct intel_connector *connector,
  29                     struct intel_digital_port *dig_port,
  30                     const struct intel_hdcp_shim *hdcp_shim);
  31 int intel_hdcp_enable(struct intel_atomic_state *state,
  32                       struct intel_encoder *encoder,
  33                       const struct intel_crtc_state *pipe_config,
  34                       const struct drm_connector_state *conn_state);
  35 int intel_hdcp_disable(struct intel_connector *connector);
  36 void intel_hdcp_update_pipe(struct intel_atomic_state *state,
  37                             struct intel_encoder *encoder,
  38                             const struct intel_crtc_state *crtc_state,
  39                             const struct drm_connector_state *conn_state);
  40 bool is_hdcp_supported(struct drm_i915_private *i915, enum port port);
  41 bool intel_hdcp_capable(struct intel_connector *connector);
  42 bool intel_hdcp2_capable(struct intel_connector *connector);
  43 void intel_hdcp_component_init(struct drm_i915_private *i915);
  44 void intel_hdcp_component_fini(struct drm_i915_private *i915);
  45 void intel_hdcp_cleanup(struct intel_connector *connector);
  46 void intel_hdcp_handle_cp_irq(struct intel_connector *connector);
  47
  48 #endif /* __INTEL_HDCP_H__ */