1 files changed, 94 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/dispnv50/wimmc37b.c b/drivers/gpu/drm/nouveau/dispnv50/wimmc37b.c
new file mode 100644
index 000000000..ee76b091d
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/dispnv50/wimmc37b.c
@@ -0,0 +1,94 @@
+/*
+ * Copyright 2018 Red Hat Inc.
+ *
+ * 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 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 HOLDER(S) OR AUTHOR(S) 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.
+ */
+#include "wimm.h"
+#include "atom.h"
+#include "wndw.h"
+
+#include <nvif/if0014.h>
+#include <nvif/pushc37b.h>
+
+#include <nvhw/class/clc37b.h>
+
+static int
+wimmc37b_update(struct nv50_wndw *wndw, u32 *interlock)
+{
+	struct nvif_push *push = wndw->wimm.push;
+	int ret;
+
+	if ((ret = PUSH_WAIT(push, 2)))
+		return ret;
+
+	PUSH_MTHD(push, NVC37B, UPDATE, 0x00000001 |
+		  NVVAL(NVC37B, UPDATE, INTERLOCK_WITH_WINDOW,
+			!!(interlock[NV50_DISP_INTERLOCK_WNDW] & wndw->interlock.data)));
+	return PUSH_KICK(push);
+}
+
+static int
+wimmc37b_point(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
+{
+	struct nvif_push *push = wndw->wimm.push;
+	int ret;
+
+	if ((ret = PUSH_WAIT(push, 2)))
+		return ret;
+
+	PUSH_MTHD(push, NVC37B, SET_POINT_OUT(0),
+		  NVVAL(NVC37B, SET_POINT_OUT, X, asyw->point.x) |
+		  NVVAL(NVC37B, SET_POINT_OUT, Y, asyw->point.y));
+	return 0;
+}
+
+static const struct nv50_wimm_func
+wimmc37b = {
+	.point = wimmc37b_point,
+	.update = wimmc37b_update,
+};
+
+static int
+wimmc37b_init_(const struct nv50_wimm_func *func, struct nouveau_drm *drm,
+	       s32 oclass, struct nv50_wndw *wndw)
+{
+	struct nvif_disp_chan_v0 args = {
+		.id = wndw->id,
+	};
+	struct nv50_disp *disp = nv50_disp(drm->dev);
+	int ret;
+
+	ret = nv50_dmac_create(&drm->client.device, &disp->disp->object,
+			       &oclass, 0, &args, sizeof(args), -1,
+			       &wndw->wimm);
+	if (ret) {
+		NV_ERROR(drm, "wimm%04x allocation failed: %d\n", oclass, ret);
+		return ret;
+	}
+
+	wndw->interlock.wimm = wndw->interlock.data;
+	wndw->immd = func;
+	return 0;
+}
+
+int
+wimmc37b_init(struct nouveau_drm *drm, s32 oclass, struct nv50_wndw *wndw)
+{
+	return wimmc37b_init_(&wimmc37b, drm, oclass, wndw);
+}