*/
bool has_audio;
+ /**
+ * @fec_capable: bool indicating if FEC can be supported up to that
+ * point in the MST topology.
+ */
bool fec_capable;
};
+/* sideband msg header - not bit struct */
+struct drm_dp_sideband_msg_hdr {
+ u8 lct;
+ u8 lcr;
+ u8 rad[8];
+ bool broadcast;
+ bool path_msg;
+ u8 msg_len;
+ bool somt;
+ bool eomt;
+ bool seqno;
+};
+
+struct drm_dp_sideband_msg_rx {
+ u8 chunk[48];
+ u8 msg[256];
+ u8 curchunk_len;
+ u8 curchunk_idx; /* chunk we are parsing now */
+ u8 curchunk_hdrlen;
+ u8 curlen; /* total length of the msg */
+ bool have_somt;
+ bool have_eomt;
+ struct drm_dp_sideband_msg_hdr initial_hdr;
+};
+
/**
* struct drm_dp_mst_branch - MST branch device.
* @rad: Relative Address to talk to this branch device.
int last_seqno;
bool link_address_sent;
+ /**
+ * @down_rep_recv: Message receiver state for down replies.
+ */
+ struct drm_dp_sideband_msg_rx down_rep_recv[2];
+
/* global unique identifier to identify branch devices */
u8 guid[16];
};
-/* sideband msg header - not bit struct */
-struct drm_dp_sideband_msg_hdr {
- u8 lct;
- u8 lcr;
- u8 rad[8];
- bool broadcast;
- bool path_msg;
- u8 msg_len;
- bool somt;
- bool eomt;
- bool seqno;
-};
-
struct drm_dp_nak_reply {
u8 guid[16];
u8 reason;
};
-struct drm_dp_sideband_msg_rx {
- u8 chunk[48];
- u8 msg[256];
- u8 curchunk_len;
- u8 curchunk_idx; /* chunk we are parsing now */
- u8 curchunk_hdrlen;
- u8 curlen; /* total length of the msg */
- bool have_somt;
- bool have_eomt;
- struct drm_dp_sideband_msg_hdr initial_hdr;
-};
-
#define DRM_DP_MAX_SDP_STREAMS 16
struct drm_dp_allocate_payload {
u8 port_number;
struct drm_dp_mst_topology_cbs {
/* create a connector for a port */
struct drm_connector *(*add_connector)(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port, const char *path);
- void (*destroy_connector)(struct drm_dp_mst_topology_mgr *mgr,
- struct drm_connector *connector);
};
#define DP_MAX_PAYLOAD (sizeof(unsigned long) * 8)
*/
int conn_base_id;
- /**
- * @down_rep_recv: Message receiver state for down replies.
- */
- struct drm_dp_sideband_msg_rx down_rep_recv;
/**
* @up_req_recv: Message receiver state for up requests.
*/
struct drm_dp_mst_topology_mgr *mgr,
struct drm_dp_mst_port *port);
-bool drm_dp_mst_port_has_audio(struct drm_dp_mst_topology_mgr *mgr,
- struct drm_dp_mst_port *port);
struct edid *drm_dp_mst_get_edid(struct drm_connector *connector, struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port);