1 files changed, 77 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gp100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gp100.c
new file mode 100644
index 000000000..09e943edc
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gp100.c
@@ -0,0 +1,77 @@
+/*
+ * Copyright 2016 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 <bskeggs@redhat.com>
+ */
+#include "gf100.h"
+#include "ram.h"
+
+#include <core/memory.h>
+
+void
+gp100_fb_init_unkn(struct nvkm_fb *base)
+{
+	struct nvkm_device *device = gf100_fb(base)->base.subdev.device;
+	nvkm_wr32(device, 0x1fac80, nvkm_rd32(device, 0x100c80));
+	nvkm_wr32(device, 0x1facc4, nvkm_rd32(device, 0x100cc4));
+	nvkm_wr32(device, 0x1facc8, nvkm_rd32(device, 0x100cc8));
+	nvkm_wr32(device, 0x1faccc, nvkm_rd32(device, 0x100ccc));
+}
+
+void
+gp100_fb_init_remapper(struct nvkm_fb *fb)
+{
+	struct nvkm_device *device = fb->subdev.device;
+	/* Disable address remapper. */
+	nvkm_mask(device, 0x100c14, 0x00040000, 0x00000000);
+}
+
+void
+gp100_fb_init(struct nvkm_fb *base)
+{
+	struct gf100_fb *fb = gf100_fb(base);
+	struct nvkm_device *device = fb->base.subdev.device;
+
+	if (fb->r100c10_page)
+		nvkm_wr32(device, 0x100c10, fb->r100c10 >> 8);
+
+	nvkm_wr32(device, 0x100cc8, nvkm_memory_addr(fb->base.mmu_wr) >> 8);
+	nvkm_wr32(device, 0x100ccc, nvkm_memory_addr(fb->base.mmu_rd) >> 8);
+	nvkm_mask(device, 0x100cc4, 0x00060000,
+		  min(nvkm_memory_size(fb->base.mmu_rd) >> 16, (u64)2) << 17);
+}
+
+static const struct nvkm_fb_func
+gp100_fb = {
+	.dtor = gf100_fb_dtor,
+	.oneinit = gf100_fb_oneinit,
+	.init = gp100_fb_init,
+	.init_remapper = gp100_fb_init_remapper,
+	.init_page = gm200_fb_init_page,
+	.init_unkn = gp100_fb_init_unkn,
+	.ram_new = gp100_ram_new,
+};
+
+int
+gp100_fb_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_fb **pfb)
+{
+	return gf100_fb_new_(&gp100_fb, device, type, inst, pfb);
+}