gpu: nvgpu: Separate timer from bus

Code touching timer registers was combined with bus code. They're two
logically separate register spaces, so separate the code accordingly.

JIRA NVGPU-588

Change-Id: I40e2925ff156669f41ddc1f2e7714f92a2da367b
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1730893
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 32 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/common/ptimer/ptimer_gk20a.h b/drivers/gpu/nvgpu/common/ptimer/ptimer_gk20a.h
new file mode 100644
index 00000000..b95dc1ca
--- /dev/null
+++ b/drivers/gpu/nvgpu/common/ptimer/ptimer_gk20a.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2018, 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.
+ */
+#ifndef PTIMER_GK20A_H
+#define PTIMER_GK20A_H
+
+#include <nvgpu/types.h>
+
+struct gk20a;
+
+void gk20a_ptimer_isr(struct gk20a *g);
+int gk20a_read_ptimer(struct gk20a *g, u64 *value);
+
+#endif /* PTIMER_GK20A_H */