1 files changed, 87 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/outp.h b/drivers/gpu/drm/nouveau/nvkm/engine/disp/outp.h
new file mode 100644
index 000000000..3f3924c41
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/outp.h
@@ -0,0 +1,87 @@
+/* SPDX-License-Identifier: MIT */
+#ifndef __NVKM_DISP_OUTP_H__
+#define __NVKM_DISP_OUTP_H__
+#include "priv.h"
+#include <core/notify.h>
+
+#include <subdev/bios.h>
+#include <subdev/bios/dcb.h>
+#include <subdev/bios/dp.h>
+
+struct nvkm_outp {
+	const struct nvkm_outp_func *func;
+	struct nvkm_disp *disp;
+	int index;
+	struct dcb_output info;
+
+	struct nvkm_i2c_bus *i2c;
+
+	struct list_head head;
+	struct nvkm_conn *conn;
+	bool identity;
+
+	/* Assembly state. */
+#define NVKM_OUTP_PRIV 1
+#define NVKM_OUTP_USER 2
+	u8 acquired:2;
+	struct nvkm_ior *ior;
+
+	union {
+		struct {
+			struct nvbios_dpout info;
+			u8 version;
+
+			struct nvkm_i2c_aux *aux;
+
+			struct nvkm_notify hpd;
+			bool present;
+			u8 lttpr[6];
+			u8 lttprs;
+			u8 dpcd[16];
+
+			struct {
+				int dpcd; /* -1, or index into SUPPORTED_LINK_RATES table */
+				u32 rate;
+			} rate[8];
+			int rates;
+			int links;
+
+			struct mutex mutex;
+			struct {
+				atomic_t done;
+				bool mst;
+			} lt;
+		} dp;
+	};
+
+	struct nvkm_object object;
+};
+
+int nvkm_outp_new_(const struct nvkm_outp_func *, struct nvkm_disp *, int index,
+		   struct dcb_output *, struct nvkm_outp **);
+int nvkm_outp_new(struct nvkm_disp *, int index, struct dcb_output *, struct nvkm_outp **);
+void nvkm_outp_del(struct nvkm_outp **);
+void nvkm_outp_init(struct nvkm_outp *);
+void nvkm_outp_fini(struct nvkm_outp *);
+int nvkm_outp_acquire(struct nvkm_outp *, u8 user, bool hda);
+void nvkm_outp_release(struct nvkm_outp *, u8 user);
+void nvkm_outp_route(struct nvkm_disp *);
+
+struct nvkm_outp_func {
+	void *(*dtor)(struct nvkm_outp *);
+	void (*init)(struct nvkm_outp *);
+	void (*fini)(struct nvkm_outp *);
+	int (*acquire)(struct nvkm_outp *);
+	void (*release)(struct nvkm_outp *);
+	void (*disable)(struct nvkm_outp *, struct nvkm_ior *);
+};
+
+#define OUTP_MSG(o,l,f,a...) do {                                              \
+	struct nvkm_outp *_outp = (o);                                         \
+	nvkm_##l(&_outp->disp->engine.subdev, "outp %02x:%04x:%04x: "f"\n",    \
+		 _outp->index, _outp->info.hasht, _outp->info.hashm, ##a);     \
+} while(0)
+#define OUTP_ERR(o,f,a...) OUTP_MSG((o), error, f, ##a)
+#define OUTP_DBG(o,f,a...) OUTP_MSG((o), debug, f, ##a)
+#define OUTP_TRACE(o,f,a...) OUTP_MSG((o), trace, f, ##a)
+#endif