Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 110 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_encoder.h b/drivers/gpu/drm/nouveau/nouveau_encoder.h
new file mode 100644
index 000000000..3517f920b
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nouveau_encoder.h
@@ -0,0 +1,110 @@
+/*
+ * Copyright (C) 2008 Maarten Maathuis.
+ * All Rights Reserved.
+ *
+ * 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 (including the
+ * next paragraph) 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 OWNER(S) AND/OR ITS SUPPLIERS 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.
+ *
+ */
+
+#ifndef __NOUVEAU_ENCODER_H__
+#define __NOUVEAU_ENCODER_H__
+
+#include <subdev/bios/dcb.h>
+
+#include <drm/drm_encoder_slave.h>
+#include <drm/drm_dp_mst_helper.h>
+#include "dispnv04/disp.h"
+struct nv50_head_atom;
+
+#define NV_DPMS_CLEARED 0x80
+
+struct nvkm_i2c_port;
+
+struct nouveau_encoder {
+	struct drm_encoder_slave base;
+
+	struct dcb_output *dcb;
+	int or;
+	int link;
+
+	struct i2c_adapter *i2c;
+	struct nvkm_i2c_aux *aux;
+
+	/* different to drm_encoder.crtc, this reflects what's
+	 * actually programmed on the hw, not the proposed crtc */
+	struct drm_crtc *crtc;
+	u32 ctrl;
+
+	struct drm_display_mode mode;
+	int last_dpms;
+
+	struct nv04_output_reg restore;
+
+	union {
+		struct {
+			struct nv50_mstm *mstm;
+			int link_nr;
+			int link_bw;
+		} dp;
+	};
+
+	void (*enc_save)(struct drm_encoder *encoder);
+	void (*enc_restore)(struct drm_encoder *encoder);
+	void (*update)(struct nouveau_encoder *, u8 head,
+		       struct nv50_head_atom *, u8 proto, u8 depth);
+};
+
+struct nouveau_encoder *
+find_encoder(struct drm_connector *connector, int type);
+
+static inline struct nouveau_encoder *nouveau_encoder(struct drm_encoder *enc)
+{
+	struct drm_encoder_slave *slave = to_encoder_slave(enc);
+
+	return container_of(slave, struct nouveau_encoder, base);
+}
+
+static inline struct drm_encoder *to_drm_encoder(struct nouveau_encoder *enc)
+{
+	return &enc->base.base;
+}
+
+static inline const struct drm_encoder_slave_funcs *
+get_slave_funcs(struct drm_encoder *enc)
+{
+	return to_encoder_slave(enc)->slave_funcs;
+}
+
+/* nouveau_dp.c */
+enum nouveau_dp_status {
+	NOUVEAU_DP_SST,
+	NOUVEAU_DP_MST,
+};
+
+int nouveau_dp_detect(struct nouveau_encoder *);
+
+struct nouveau_connector *
+nouveau_encoder_connector_get(struct nouveau_encoder *encoder);
+
+int nv50_mstm_detect(struct nv50_mstm *, u8 dpcd[8], int allow);
+void nv50_mstm_remove(struct nv50_mstm *);
+void nv50_mstm_service(struct nv50_mstm *);
+#endif /* __NOUVEAU_ENCODER_H__ */