linux/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c

/*
 * Copyright 2019 Advanced Micro Devices, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Authors: AMD
 *
 */

#include "hdcp.h"

static inline enum mod_hdcp_status validate_bksv(struct mod_hdcp *hdcp)
{ … }

static inline enum mod_hdcp_status check_ksv_ready(struct mod_hdcp *hdcp)
{ … }

static inline enum mod_hdcp_status check_hdcp_capable_dp(struct mod_hdcp *hdcp)
{ … }

static inline enum mod_hdcp_status check_r0p_available_dp(struct mod_hdcp *hdcp)
{ … }

static inline enum mod_hdcp_status check_link_integrity_dp(
		struct mod_hdcp *hdcp)
{ … }

static inline enum mod_hdcp_status check_no_reauthentication_request_dp(
		struct mod_hdcp *hdcp)
{ … }

static inline enum mod_hdcp_status check_no_max_cascade(struct mod_hdcp *hdcp)
{ … }

static inline enum mod_hdcp_status check_no_max_devs(struct mod_hdcp *hdcp)
{ … }

static inline uint8_t get_device_count(struct mod_hdcp *hdcp)
{ … }

static inline enum mod_hdcp_status check_device_count(struct mod_hdcp *hdcp)
{ … }

static enum mod_hdcp_status wait_for_active_rx(struct mod_hdcp *hdcp,
		struct mod_hdcp_event_context *event_ctx,
		struct mod_hdcp_transition_input_hdcp1 *input)
{ … }

static enum mod_hdcp_status exchange_ksvs(struct mod_hdcp *hdcp,
		struct mod_hdcp_event_context *event_ctx,
		struct mod_hdcp_transition_input_hdcp1 *input)
{ … }

static enum mod_hdcp_status computations_validate_rx_test_for_repeater(
		struct mod_hdcp *hdcp,
		struct mod_hdcp_event_context *event_ctx,
		struct mod_hdcp_transition_input_hdcp1 *input)
{ … }

static enum mod_hdcp_status authenticated(struct mod_hdcp *hdcp,
		struct mod_hdcp_event_context *event_ctx,
		struct mod_hdcp_transition_input_hdcp1 *input)
{ … }

static enum mod_hdcp_status wait_for_ready(struct mod_hdcp *hdcp,
		struct mod_hdcp_event_context *event_ctx,
		struct mod_hdcp_transition_input_hdcp1 *input)
{ … }

static enum mod_hdcp_status read_ksv_list(struct mod_hdcp *hdcp,
		struct mod_hdcp_event_context *event_ctx,
		struct mod_hdcp_transition_input_hdcp1 *input)
{ … }

static enum mod_hdcp_status determine_rx_hdcp_capable_dp(struct mod_hdcp *hdcp,
		struct mod_hdcp_event_context *event_ctx,
		struct mod_hdcp_transition_input_hdcp1 *input)
{ … }

static enum mod_hdcp_status wait_for_r0_prime_dp(struct mod_hdcp *hdcp,
		struct mod_hdcp_event_context *event_ctx,
		struct mod_hdcp_transition_input_hdcp1 *input)
{ … }

static enum mod_hdcp_status authenticated_dp(struct mod_hdcp *hdcp,
		struct mod_hdcp_event_context *event_ctx,
		struct mod_hdcp_transition_input_hdcp1 *input)
{ … }

uint8_t mod_hdcp_execute_and_set(
		mod_hdcp_action func, uint8_t *flag,
		enum mod_hdcp_status *status, struct mod_hdcp *hdcp, char *str)
{ … }

enum mod_hdcp_status mod_hdcp_hdcp1_execution(struct mod_hdcp *hdcp,
		struct mod_hdcp_event_context *event_ctx,
		struct mod_hdcp_transition_input_hdcp1 *input)
{ … }

enum mod_hdcp_status mod_hdcp_hdcp1_dp_execution(struct mod_hdcp *hdcp,
						 struct mod_hdcp_event_context *event_ctx,
						 struct mod_hdcp_transition_input_hdcp1 *input)
{ … }