1 files changed, 57 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv46.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv46.c
new file mode 100644
index 000000000..0d78de422
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv46.c
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2010 Francisco Jerez.
+ * 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.
+ *
+ */
+#include "priv.h"
+#include "ram.h"
+
+void
+nv46_fb_tile_init(struct nvkm_fb *fb, int i, u32 addr, u32 size, u32 pitch,
+		  u32 flags, struct nvkm_fb_tile *tile)
+{
+	/* for performance, select alternate bank offset for zeta */
+	if (!(flags & 4)) tile->addr = (0 << 3);
+	else              tile->addr = (1 << 3);
+
+	tile->addr |= 0x00000001; /* mode = vram */
+	tile->addr |= addr;
+	tile->limit = max(1u, addr + size) - 1;
+	tile->pitch = pitch;
+}
+
+static const struct nvkm_fb_func
+nv46_fb = {
+	.init = nv44_fb_init,
+	.tile.regions = 15,
+	.tile.init = nv46_fb_tile_init,
+	.tile.fini = nv20_fb_tile_fini,
+	.tile.prog = nv44_fb_tile_prog,
+	.ram_new = nv44_ram_new,
+};
+
+int
+nv46_fb_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_fb **pfb)
+{
+	return nvkm_fb_new_(&nv46_fb, device, type, inst, pfb);
+}