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+/*
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+ * Copyright 2015 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 <bskeggs@redhat.com>
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+ */
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+#include "priv.h"
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+
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+#include <subdev/fb.h>
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+#include <subdev/timer.h>
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+
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+static int
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+gm204_ltc_oneinit(struct nvkm_ltc *ltc)
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+{
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+ struct nvkm_device *device = ltc->subdev.device;
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+
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+ ltc->ltc_nr = nvkm_rd32(device, 0x12006c);
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+ ltc->lts_nr = nvkm_rd32(device, 0x17e280) >> 28;
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+
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+ return gf100_ltc_oneinit_tag_ram(ltc);
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+}
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+static void
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+gm204_ltc_init(struct nvkm_ltc *ltc)
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+{
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+ nvkm_wr32(ltc->subdev.device, 0x17e278, ltc->tag_base);
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+}
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+
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+static const struct nvkm_ltc_func
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+gm204_ltc = {
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+ .oneinit = gm204_ltc_oneinit,
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+ .init = gm204_ltc_init,
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+ .intr = gm107_ltc_intr, /*XXX: not validated */
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+ .cbc_clear = gm107_ltc_cbc_clear,
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+ .cbc_wait = gm107_ltc_cbc_wait,
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+ .zbc = 16,
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+ .zbc_clear_color = gm107_ltc_zbc_clear_color,
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+ .zbc_clear_depth = gm107_ltc_zbc_clear_depth,
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+ .invalidate = gf100_ltc_invalidate,
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+ .flush = gf100_ltc_flush,
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+};
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+
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+int
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+gm204_ltc_new(struct nvkm_device *device, int index, struct nvkm_ltc **pltc)
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+{
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+ return nvkm_ltc_new_(&gm204_ltc, device, index, pltc);
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+}
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Ben Skeggs