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Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gp102.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gp102.c58
1 files changed, 58 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gp102.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gp102.c
new file mode 100644
index 000000000..1a6f9c3af
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gp102.c
@@ -0,0 +1,58 @@
+/*
+ * Copyright 2016 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"
+
+void
+gp102_pmu_reset(struct nvkm_pmu *pmu)
+{
+ struct nvkm_device *device = pmu->subdev.device;
+ nvkm_mask(device, 0x10a3c0, 0x00000001, 0x00000001);
+ nvkm_mask(device, 0x10a3c0, 0x00000001, 0x00000000);
+}
+
+static bool
+gp102_pmu_enabled(struct nvkm_pmu *pmu)
+{
+ return !(nvkm_rd32(pmu->subdev.device, 0x10a3c0) & 0x00000001);
+}
+
+static const struct nvkm_pmu_func
+gp102_pmu = {
+ .flcn = &gm200_pmu_flcn,
+ .enabled = gp102_pmu_enabled,
+ .reset = gp102_pmu_reset,
+};
+
+static const struct nvkm_pmu_fwif
+gp102_pmu_fwif[] = {
+ { -1, gm200_pmu_nofw, &gp102_pmu },
+ {}
+};
+
+int
+gp102_pmu_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
+ struct nvkm_pmu **ppmu)
+{
+ return nvkm_pmu_new_(gp102_pmu_fwif, device, type, inst, ppmu);
+}