1 files changed, 70 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv10.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv10.c
new file mode 100644
index 000000000..c998b7e96
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv10.c
@@ -0,0 +1,70 @@
+/*
+ * 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
+nv10_fb_tile_init(struct nvkm_fb *fb, int i, u32 addr, u32 size, u32 pitch,
+		  u32 flags, struct nvkm_fb_tile *tile)
+{
+	tile->addr  = 0x80000000 | addr;
+	tile->limit = max(1u, addr + size) - 1;
+	tile->pitch = pitch;
+}
+
+void
+nv10_fb_tile_fini(struct nvkm_fb *fb, int i, struct nvkm_fb_tile *tile)
+{
+	tile->addr  = 0;
+	tile->limit = 0;
+	tile->pitch = 0;
+	tile->zcomp = 0;
+}
+
+void
+nv10_fb_tile_prog(struct nvkm_fb *fb, int i, struct nvkm_fb_tile *tile)
+{
+	struct nvkm_device *device = fb->subdev.device;
+	nvkm_wr32(device, 0x100244 + (i * 0x10), tile->limit);
+	nvkm_wr32(device, 0x100248 + (i * 0x10), tile->pitch);
+	nvkm_wr32(device, 0x100240 + (i * 0x10), tile->addr);
+	nvkm_rd32(device, 0x100240 + (i * 0x10));
+}
+
+static const struct nvkm_fb_func
+nv10_fb = {
+	.tile.regions = 8,
+	.tile.init = nv10_fb_tile_init,
+	.tile.fini = nv10_fb_tile_fini,
+	.tile.prog = nv10_fb_tile_prog,
+	.ram_new = nv10_ram_new,
+};
+
+int
+nv10_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
+{
+	return nvkm_fb_new_(&nv10_fb, device, index, pfb);
+}