1 files changed, 63 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gm204.c b/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gm204.c
new file mode 100644
index 000000000000..5ad6fb9d022d
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gm204.c
@@ -0,0 +1,63 @@
+/*
+ * Copyright 2015 Red Hat Inc.
+ *
+ * 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
+ *
+ * Authors: Ben Skeggs <bskeggs@redhat.com>
+ */
+#include "priv.h"
+
+#include <subdev/fb.h>
+#include <subdev/timer.h>
+
+static int
+gm204_ltc_oneinit(struct nvkm_ltc *ltc)
+{
+	struct nvkm_device *device = ltc->subdev.device;
+
+	ltc->ltc_nr = nvkm_rd32(device, 0x12006c);
+	ltc->lts_nr = nvkm_rd32(device, 0x17e280) >> 28;
+
+	return gf100_ltc_oneinit_tag_ram(ltc);
+}
+static void
+gm204_ltc_init(struct nvkm_ltc *ltc)
+{
+	nvkm_wr32(ltc->subdev.device, 0x17e278, ltc->tag_base);
+}
+
+static const struct nvkm_ltc_func
+gm204_ltc = {
+	.oneinit = gm204_ltc_oneinit,
+	.init = gm204_ltc_init,
+	.intr = gm107_ltc_intr, /*XXX: not validated */
+	.cbc_clear = gm107_ltc_cbc_clear,
+	.cbc_wait = gm107_ltc_cbc_wait,
+	.zbc = 16,
+	.zbc_clear_color = gm107_ltc_zbc_clear_color,
+	.zbc_clear_depth = gm107_ltc_zbc_clear_depth,
+	.invalidate = gf100_ltc_invalidate,
+	.flush = gf100_ltc_flush,
+};
+
+int
+gm204_ltc_new(struct nvkm_device *device, int index, struct nvkm_ltc **pltc)
+{
+	return nvkm_ltc_new_(&gm204_ltc, device, index, pltc);
+}