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+/*
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+ * Copyright 2011 Red Hat Inc.
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+ *
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+ * Permission is hereby granted, free of charge, to any person obtaining a
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+ * copy of this software and associated documentation files (the "Software"),
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+ * to deal in the Software without restriction, including without limitation
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+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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+ * and/or sell copies of the Software, and to permit persons to whom the
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+ * Software is furnished to do so, subject to the following conditions:
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+ *
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+ * The above copyright notice and this permission notice shall be included in
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+ * all copies or substantial portions of the Software.
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+ *
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+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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+ * OTHER DEALINGS IN THE SOFTWARE.
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+ *
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+ * Authors: Ben Skeggs
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+ */
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+
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+#include "drmP.h"
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+#include "nouveau_drv.h"
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+#include "nouveau_util.h"
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+#include "nouveau_vm.h"
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+#include "nouveau_ramht.h"
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+
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+/*XXX: This stub is currently used on NV98+ also, as soon as this becomes
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+ * more than just an enable/disable stub this needs to be split out to
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+ * nv98_bsp.c...
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+ */
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+
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+struct nv84_bsp_engine {
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+ struct nouveau_exec_engine base;
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+};
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+
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+static int
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+nv84_bsp_fini(struct drm_device *dev, int engine, bool suspend)
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+{
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+ if (!(nv_rd32(dev, 0x000200) & 0x00008000))
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+ return 0;
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+
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+ nv_mask(dev, 0x000200, 0x00008000, 0x00000000);
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+ return 0;
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+}
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+
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+static int
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+nv84_bsp_init(struct drm_device *dev, int engine)
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+{
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+ nv_mask(dev, 0x000200, 0x00008000, 0x00000000);
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+ nv_mask(dev, 0x000200, 0x00008000, 0x00008000);
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+ return 0;
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+}
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+
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+static void
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+nv84_bsp_destroy(struct drm_device *dev, int engine)
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+{
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+ struct nv84_bsp_engine *pbsp = nv_engine(dev, engine);
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+
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+ NVOBJ_ENGINE_DEL(dev, BSP);
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+
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+ kfree(pbsp);
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+}
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+
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+int
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+nv84_bsp_create(struct drm_device *dev)
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+{
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+ struct nv84_bsp_engine *pbsp;
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+
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+ pbsp = kzalloc(sizeof(*pbsp), GFP_KERNEL);
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+ if (!pbsp)
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+ return -ENOMEM;
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+
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+ pbsp->base.destroy = nv84_bsp_destroy;
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+ pbsp->base.init = nv84_bsp_init;
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+ pbsp->base.fini = nv84_bsp_fini;
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+
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+ NVOBJ_ENGINE_ADD(dev, BSP, &pbsp->base);
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+ return 0;
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+}
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