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path: root/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gk20a.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/fb/gk20a.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/fb/gk20a.c69
1 files changed, 69 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gk20a.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gk20a.c
new file mode 100644
index 000000000000..6762847c05e8
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gk20a.c
@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2014, NVIDIA CORPORATION. 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 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 AUTHORS OR COPYRIGHT HOLDERS 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 "gf100.h"
+
+struct gk20a_fb_priv {
+ struct nvkm_fb base;
+};
+
+static int
+gk20a_fb_init(struct nvkm_object *object)
+{
+ struct gk20a_fb_priv *priv = (void *)object;
+ int ret;
+
+ ret = nvkm_fb_init(&priv->base);
+ if (ret)
+ return ret;
+
+ nv_mask(priv, 0x100c80, 0x00000001, 0x00000000); /* 128KiB lpg */
+ return 0;
+}
+
+static int
+gk20a_fb_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
+ struct nvkm_oclass *oclass, void *data, u32 size,
+ struct nvkm_object **pobject)
+{
+ struct gk20a_fb_priv *priv;
+ int ret;
+
+ ret = nvkm_fb_create(parent, engine, oclass, &priv);
+ *pobject = nv_object(priv);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+struct nvkm_oclass *
+gk20a_fb_oclass = &(struct nvkm_fb_impl) {
+ .base.handle = NV_SUBDEV(FB, 0xea),
+ .base.ofuncs = &(struct nvkm_ofuncs) {
+ .ctor = gk20a_fb_ctor,
+ .dtor = _nvkm_fb_dtor,
+ .init = gk20a_fb_init,
+ .fini = _nvkm_fb_fini,
+ },
+ .memtype = gf100_fb_memtype_valid,
+ .ram = &gk20a_ram_oclass,
+}.base;