1 files changed, 85 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/piocgf119.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/piocgf119.c
new file mode 100644
index 000000000000..08aeb8e4e6dc
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/piocgf119.c
@@ -0,0 +1,85 @@
+/*
+ * Copyright 2012 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.
+ *
+ * Authors: Ben Skeggs
+ */
+#include "channv50.h"
+
+#include <subdev/timer.h>
+
+int
+gf119_disp_pioc_fini(struct nvkm_object *object, bool suspend)
+{
+	struct nv50_disp *disp = (void *)object->engine;
+	struct nv50_disp_pioc *pioc = (void *)object;
+	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
+	struct nvkm_device *device = subdev->device;
+	int chid = pioc->base.chid;
+
+	nvkm_mask(device, 0x610490 + (chid * 0x10), 0x00000001, 0x00000000);
+	if (nvkm_msec(device, 2000,
+		if (!(nvkm_rd32(device, 0x610490 + (chid * 0x10)) & 0x00030000))
+			break;
+	) < 0) {
+		nvkm_error(subdev, "ch %d fini: %08x\n", chid,
+			   nvkm_rd32(device, 0x610490 + (chid * 0x10)));
+		if (suspend)
+			return -EBUSY;
+	}
+
+	/* disable error reporting and completion notification */
+	nvkm_mask(device, 0x610090, 0x00000001 << chid, 0x00000000);
+	nvkm_mask(device, 0x6100a0, 0x00000001 << chid, 0x00000000);
+
+	return nv50_disp_chan_fini(&pioc->base, suspend);
+}
+
+int
+gf119_disp_pioc_init(struct nvkm_object *object)
+{
+	struct nv50_disp *disp = (void *)object->engine;
+	struct nv50_disp_pioc *pioc = (void *)object;
+	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
+	struct nvkm_device *device = subdev->device;
+	int chid = pioc->base.chid;
+	int ret;
+
+	ret = nv50_disp_chan_init(&pioc->base);
+	if (ret)
+		return ret;
+
+	/* enable error reporting */
+	nvkm_mask(device, 0x6100a0, 0x00000001 << chid, 0x00000001 << chid);
+
+	/* activate channel */
+	nvkm_wr32(device, 0x610490 + (chid * 0x10), 0x00000001);
+	if (nvkm_msec(device, 2000,
+		u32 tmp = nvkm_rd32(device, 0x610490 + (chid * 0x10));
+		if ((tmp & 0x00030000) == 0x00010000)
+			break;
+	) < 0) {
+		nvkm_error(subdev, "ch %d init: %08x\n", chid,
+			   nvkm_rd32(device, 0x610490 + (chid * 0x10)));
+		return -EBUSY;
+	}
+
+	return 0;
+}