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path: root/include/drm/drm_dp_mst_helper.h
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Diffstat (limited to 'include/drm/drm_dp_mst_helper.h')
-rw-r--r--include/drm/drm_dp_mst_helper.h47
1 files changed, 45 insertions, 2 deletions
diff --git a/include/drm/drm_dp_mst_helper.h b/include/drm/drm_dp_mst_helper.h
index 8b9eb4db3381..f5e92fe9151c 100644
--- a/include/drm/drm_dp_mst_helper.h
+++ b/include/drm/drm_dp_mst_helper.h
@@ -313,6 +313,34 @@ struct drm_dp_remote_i2c_write_ack_reply {
u8 port_number;
};
+struct drm_dp_query_stream_enc_status_ack_reply {
+ /* Bit[23:16]- Stream Id */
+ u8 stream_id;
+
+ /* Bit[15]- Signed */
+ bool reply_signed;
+
+ /* Bit[10:8]- Stream Output Sink Type */
+ bool unauthorizable_device_present;
+ bool legacy_device_present;
+ bool query_capable_device_present;
+
+ /* Bit[12:11]- Stream Output CP Type */
+ bool hdcp_1x_device_present;
+ bool hdcp_2x_device_present;
+
+ /* Bit[4]- Stream Authentication */
+ bool auth_completed;
+
+ /* Bit[3]- Stream Encryption */
+ bool encryption_enabled;
+
+ /* Bit[2]- Stream Repeater Function Present */
+ bool repeater_present;
+
+ /* Bit[1:0]- Stream State */
+ u8 state;
+};
#define DRM_DP_MAX_SDP_STREAMS 16
struct drm_dp_allocate_payload {
@@ -374,6 +402,15 @@ struct drm_dp_remote_i2c_write {
u8 *bytes;
};
+struct drm_dp_query_stream_enc_status {
+ u8 stream_id;
+ u8 client_id[7]; /* 56-bit nonce */
+ u8 stream_event;
+ bool valid_stream_event;
+ u8 stream_behavior;
+ u8 valid_stream_behavior;
+};
+
/* this covers ENUM_RESOURCES, POWER_DOWN_PHY, POWER_UP_PHY */
struct drm_dp_port_number_req {
u8 port_number;
@@ -422,6 +459,8 @@ struct drm_dp_sideband_msg_req_body {
struct drm_dp_remote_i2c_read i2c_read;
struct drm_dp_remote_i2c_write i2c_write;
+
+ struct drm_dp_query_stream_enc_status enc_status;
} u;
};
@@ -444,6 +483,8 @@ struct drm_dp_sideband_msg_reply_body {
struct drm_dp_remote_i2c_read_ack_reply remote_i2c_read_ack;
struct drm_dp_remote_i2c_read_nak_reply remote_i2c_read_nack;
struct drm_dp_remote_i2c_write_ack_reply remote_i2c_write_ack;
+
+ struct drm_dp_query_stream_enc_status_ack_reply enc_status;
} u;
};
@@ -728,10 +769,9 @@ int drm_dp_mst_topology_mgr_init(struct drm_dp_mst_topology_mgr *mgr,
void drm_dp_mst_topology_mgr_destroy(struct drm_dp_mst_topology_mgr *mgr);
-
+bool drm_dp_read_mst_cap(struct drm_dp_aux *aux, const u8 dpcd[DP_RECEIVER_CAP_SIZE]);
int drm_dp_mst_topology_mgr_set_mst(struct drm_dp_mst_topology_mgr *mgr, bool mst_state);
-
int drm_dp_mst_hpd_irq(struct drm_dp_mst_topology_mgr *mgr, u8 *esi, bool *handled);
@@ -808,6 +848,9 @@ drm_dp_atomic_release_vcpi_slots(struct drm_atomic_state *state,
struct drm_dp_mst_port *port);
int drm_dp_send_power_updown_phy(struct drm_dp_mst_topology_mgr *mgr,
struct drm_dp_mst_port *port, bool power_up);
+int drm_dp_send_query_stream_enc_status(struct drm_dp_mst_topology_mgr *mgr,
+ struct drm_dp_mst_port *port,
+ struct drm_dp_query_stream_enc_status_ack_reply *status);
int __must_check drm_dp_mst_atomic_check(struct drm_atomic_state *state);
void drm_dp_mst_get_port_malloc(struct drm_dp_mst_port *port);