gpu: nvgpu: Move priv_ring HAL to common

Move implementation of priv_ring HAL to common/priv_ring. Implement
two new HAL APIs to remove illegal dependencies: enable_priv_ring and
enum_ltc.

As enum_ltc can be implemented only gm20b onwards, bump gk20a
implementation to base on gm20b.

JIRA NVGPU-964

Change-Id: I160c2216132aadbcd98bb4a688aeeb2c520a9bc0
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1797025
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/priv_ring/priv_ring_gm20b.h b/drivers/gpu/nvgpu/common/priv_ring/priv_ring_gm20b.h
new file mode 100644
index 00000000..02f20515
--- /dev/null
+++ b/drivers/gpu/nvgpu/common/priv_ring/priv_ring_gm20b.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2011-2018, 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 __PRIV_RING_GM20B_H__
+#define __PRIV_RING_GM20B_H__
+
+struct gk20a;
+
+void gm20b_priv_ring_isr(struct gk20a *g);
+void gm20b_priv_ring_enable(struct gk20a *g);
+void gm20b_priv_set_timeout_settings(struct gk20a *g);
+u32 gm20b_priv_ring_enum_ltc(struct gk20a *g);
+
+#endif /*__PRIV_RING_GM20B_H__*/