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Name	Size	Permission
bridge	[ DIR ]	drwxr-xr-x
i2c	[ DIR ]	drwxr-xr-x
ttm	[ DIR ]	drwxr-xr-x
amd_asic_type.h	1.66 KB	-rw-r--r--
ati_pcigart.h	731 B	-rw-r--r--
drmP.h	3.05 KB	-rw-r--r--
drm_agpsupport.h	3.44 KB	-rw-r--r--
drm_atomic.h	34.86 KB	-rw-r--r--
drm_atomic_helper.h	9.1 KB	-rw-r--r--
drm_atomic_state_helper.h	3.32 KB	-rw-r--r--
drm_atomic_uapi.h	2.17 KB	-rw-r--r--
drm_audio_component.h	3.67 KB	-rw-r--r--
drm_auth.h	3.53 KB	-rw-r--r--
drm_blend.h	2.35 KB	-rw-r--r--
drm_bridge.h	16.42 KB	-rw-r--r--
drm_cache.h	2.85 KB	-rw-r--r--
drm_client.h	4.5 KB	-rw-r--r--
drm_color_mgmt.h	3.18 KB	-rw-r--r--
drm_connector.h	51.59 KB	-rw-r--r--
drm_crtc.h	40.08 KB	-rw-r--r--
drm_crtc_helper.h	2.39 KB	-rw-r--r--
drm_damage_helper.h	3.97 KB	-rw-r--r--
drm_debugfs.h	3.41 KB	-rw-r--r--
drm_debugfs_crc.h	2.66 KB	-rw-r--r--
drm_device.h	8.35 KB	-rw-r--r--
drm_displayid.h	3.24 KB	-rw-r--r--
drm_dp_dual_mode_helper.h	4.43 KB	-rw-r--r--
drm_dp_helper.h	55.86 KB	-rw-r--r--
drm_dp_mst_helper.h	21.92 KB	-rw-r--r--
drm_drv.h	26.12 KB	-rw-r--r--
drm_dsc.h	16.21 KB	-rw-r--r--
drm_edid.h	15.68 KB	-rw-r--r--
drm_encoder.h	8.47 KB	-rw-r--r--
drm_encoder_slave.h	6.44 KB	-rw-r--r--
drm_fb_cma_helper.h	392 B	-rw-r--r--
drm_fb_helper.h	15.9 KB	-rw-r--r--
drm_file.h	10.67 KB	-rw-r--r--
drm_fixed.h	4.71 KB	-rw-r--r--
drm_flip_work.h	3.01 KB	-rw-r--r--
drm_format_helper.h	1.15 KB	-rw-r--r--
drm_fourcc.h	9.75 KB	-rw-r--r--
drm_framebuffer.h	9.56 KB	-rw-r--r--
drm_gem.h	12.06 KB	-rw-r--r--
drm_gem_cma_helper.h	4.46 KB	-rw-r--r--
drm_gem_framebuffer_helper.h	1.26 KB	-rw-r--r--
drm_gem_shmem_helper.h	5.08 KB	-rw-r--r--
drm_gem_vram_helper.h	3.73 KB	-rw-r--r--
drm_hashtab.h	3.01 KB	-rw-r--r--
drm_hdcp.h	8.55 KB	-rw-r--r--
drm_ioctl.h	6.18 KB	-rw-r--r--
drm_irq.h	1.29 KB	-rw-r--r--
drm_lease.h	1010 B	-rw-r--r--
drm_legacy.h	6.58 KB	-rw-r--r--
drm_mipi_dbi.h	4.36 KB	-rw-r--r--
drm_mipi_dsi.h	10.32 KB	-rw-r--r--
drm_mm.h	17.39 KB	-rw-r--r--
drm_mode_config.h	30.92 KB	-rw-r--r--
drm_mode_object.h	5.17 KB	-rw-r--r--
drm_modes.h	18.77 KB	-rw-r--r--
drm_modeset_helper.h	1.77 KB	-rw-r--r--
drm_modeset_helper_vtables.h	51.53 KB	-rw-r--r--
drm_modeset_lock.h	6.38 KB	-rw-r--r--
drm_of.h	3.37 KB	-rw-r--r--
drm_os_linux.h	2.04 KB	-rw-r--r--
drm_panel.h	4.86 KB	-rw-r--r--
drm_pci.h	2.23 KB	-rw-r--r--
drm_pciids.h	66.47 KB	-rw-r--r--
drm_plane.h	26.26 KB	-rw-r--r--
drm_plane_helper.h	1.75 KB	-rw-r--r--
drm_prime.h	3.86 KB	-rw-r--r--
drm_print.h	12.53 KB	-rw-r--r--
drm_probe_helper.h	848 B	-rw-r--r--
drm_property.h	11.49 KB	-rw-r--r--
drm_rect.h	5.61 KB	-rw-r--r--
drm_scdc_helper.h	4.34 KB	-rw-r--r--
drm_self_refresh_helper.h	594 B	-rw-r--r--
drm_simple_kms_helper.h	5.84 KB	-rw-r--r--
drm_syncobj.h	3.85 KB	-rw-r--r--
drm_sysfs.h	442 B	-rw-r--r--
drm_util.h	2.58 KB	-rw-r--r--
drm_utils.h	504 B	-rw-r--r--
drm_vblank.h	7.57 KB	-rw-r--r--
drm_vma_manager.h	8.14 KB	-rw-r--r--
drm_vram_mm_helper.h	2.86 KB	-rw-r--r--
drm_writeback.h	3.89 KB	-rw-r--r--
gma_drm.h	413 B	-rw-r--r--
gpu_scheduler.h	12.46 KB	-rw-r--r--
i915_component.h	1.76 KB	-rw-r--r--
i915_drm.h	3.77 KB	-rw-r--r--
i915_mei_hdcp_interface.h	4.91 KB	-rw-r--r--
i915_pciids.h	19.34 KB	-rw-r--r--
intel-gtt.h	1.01 KB	-rw-r--r--
intel_lpe_audio.h	1.72 KB	-rw-r--r--
spsc_queue.h	3.06 KB	-rw-r--r--

Code Editor : i915_mei_hdcp_interface.h

/* SPDX-License-Identifier: (GPL-2.0+) */
/*
 * Copyright © 2017-2018 Intel Corporation
 *
 * Authors:
 * Ramalingam C <ramalingam.c@intel.com>
 */

#ifndef _I915_MEI_HDCP_INTERFACE_H_
#define _I915_MEI_HDCP_INTERFACE_H_

#include <linux/mutex.h>
#include <linux/device.h>
#include <drm/drm_hdcp.h>
#include <drm/i915_drm.h>

/**
 * enum hdcp_port_type - HDCP port implementation type defined by ME FW
 * @HDCP_PORT_TYPE_INVALID: Invalid hdcp port type
 * @HDCP_PORT_TYPE_INTEGRATED: In-Host HDCP2.x port
 * @HDCP_PORT_TYPE_LSPCON: HDCP2.2 discrete wired Tx port with LSPCON
 *			   (HDMI 2.0) solution
 * @HDCP_PORT_TYPE_CPDP: HDCP2.2 discrete wired Tx port using the CPDP (DP 1.3)
 *			 solution
 */
enum hdcp_port_type {
	HDCP_PORT_TYPE_INVALID,
	HDCP_PORT_TYPE_INTEGRATED,
	HDCP_PORT_TYPE_LSPCON,
	HDCP_PORT_TYPE_CPDP
};

/**
 * enum hdcp_wired_protocol - HDCP adaptation used on the port
 * @HDCP_PROTOCOL_INVALID: Invalid HDCP adaptation protocol
 * @HDCP_PROTOCOL_HDMI: HDMI adaptation of HDCP used on the port
 * @HDCP_PROTOCOL_DP: DP adaptation of HDCP used on the port
 */
enum hdcp_wired_protocol {
	HDCP_PROTOCOL_INVALID,
	HDCP_PROTOCOL_HDMI,
	HDCP_PROTOCOL_DP
};

/**
 * struct hdcp_port_data - intel specific HDCP port data
 * @port: port index as per I915
 * @port_type: HDCP port type as per ME FW classification
 * @protocol: HDCP adaptation as per ME FW
 * @k: No of streams transmitted on a port. Only on DP MST this is != 1
 * @seq_num_m: Count of RepeaterAuth_Stream_Manage msg propagated.
 *	       Initialized to 0 on AKE_INIT. Incremented after every successful
 *	       transmission of RepeaterAuth_Stream_Manage message. When it rolls
 *	       over re-Auth has to be triggered.
 * @streams: struct hdcp2_streamid_type[k]. Defines the type and id for the
 *	     streams
 */
struct hdcp_port_data {
	enum port port;
	u8 port_type;
	u8 protocol;
	u16 k;
	u32 seq_num_m;
	struct hdcp2_streamid_type *streams;
};

/**
 * struct i915_hdcp_component_ops- ops for HDCP2.2 services.
 * @owner: Module providing the ops
 * @initiate_hdcp2_session: Initiate a Wired HDCP2.2 Tx Session.
 *			    And Prepare AKE_Init.
 * @verify_receiver_cert_prepare_km: Verify the Receiver Certificate
 *				     AKE_Send_Cert and prepare
				     AKE_Stored_Km/AKE_No_Stored_Km
 * @verify_hprime: Verify AKE_Send_H_prime
 * @store_pairing_info: Store pairing info received
 * @initiate_locality_check: Prepare LC_Init
 * @verify_lprime: Verify lprime
 * @get_session_key: Prepare SKE_Send_Eks
 * @repeater_check_flow_prepare_ack: Validate the Downstream topology
 *				     and prepare rep_ack
 * @verify_mprime: Verify mprime
 * @enable_hdcp_authentication:  Mark a port as authenticated.
 * @close_hdcp_session: Close the Wired HDCP Tx session per port.
 *			This also disables the authenticated state of the port.
 */
struct i915_hdcp_component_ops {
	/**
	 * @owner: mei_hdcp module
	 */
	struct module *owner;

int (*initiate_hdcp2_session)(struct device *dev,
				      struct hdcp_port_data *data,
				      struct hdcp2_ake_init *ake_data);
	int (*verify_receiver_cert_prepare_km)(struct device *dev,
					       struct hdcp_port_data *data,
					       struct hdcp2_ake_send_cert
								*rx_cert,
					       bool *km_stored,
					       struct hdcp2_ake_no_stored_km
								*ek_pub_km,
					       size_t *msg_sz);
	int (*verify_hprime)(struct device *dev,
			     struct hdcp_port_data *data,
			     struct hdcp2_ake_send_hprime *rx_hprime);
	int (*store_pairing_info)(struct device *dev,
				  struct hdcp_port_data *data,
				  struct hdcp2_ake_send_pairing_info
								*pairing_info);
	int (*initiate_locality_check)(struct device *dev,
				       struct hdcp_port_data *data,
				       struct hdcp2_lc_init *lc_init_data);
	int (*verify_lprime)(struct device *dev,
			     struct hdcp_port_data *data,
			     struct hdcp2_lc_send_lprime *rx_lprime);
	int (*get_session_key)(struct device *dev,
			       struct hdcp_port_data *data,
			       struct hdcp2_ske_send_eks *ske_data);
	int (*repeater_check_flow_prepare_ack)(struct device *dev,
					       struct hdcp_port_data *data,
					       struct hdcp2_rep_send_receiverid_list
								*rep_topology,
					       struct hdcp2_rep_send_ack
								*rep_send_ack);
	int (*verify_mprime)(struct device *dev,
			     struct hdcp_port_data *data,
			     struct hdcp2_rep_stream_ready *stream_ready);
	int (*enable_hdcp_authentication)(struct device *dev,
					  struct hdcp_port_data *data);
	int (*close_hdcp_session)(struct device *dev,
				  struct hdcp_port_data *data);
};

/**
 * struct i915_hdcp_component_master - Used for communication between i915
 * and mei_hdcp drivers for the HDCP2.2 services
 * @mei_dev: device that provide the HDCP2.2 service from MEI Bus.
 * @hdcp_ops: Ops implemented by mei_hdcp driver, used by i915 driver.
 */
struct i915_hdcp_comp_master {
	struct device *mei_dev;
	const struct i915_hdcp_component_ops *ops;

/* To protect the above members. */
	struct mutex mutex;
};

#endif /* _I915_MEI_HDCP_INTERFACE_H_ */

${this.title}

Code Editor : i915_mei_hdcp_interface.h