gpu: nvgpu: Per-chip interrupt processing

Move accesses to MC registers under HAL so that they can be
reimplemented per chip.

Do chip detection and HAL initialization only once.

Bug 1567274

Change-Id: I20bf2f439d267d284bfd536f1a1dfb5d5a2dce4c
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/590385

1 files changed, 24 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/mc_gk20a.h b/drivers/gpu/nvgpu/gk20a/mc_gk20a.h
new file mode 100644
index 00000000..7264ab41
--- /dev/null
+++ b/drivers/gpu/nvgpu/gk20a/mc_gk20a.h
@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2014, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ */
+
+#ifndef MC_GK20A_H
+#define MC_GK20A_H
+struct gk20a;
+
+void gk20a_init_mc(struct gpu_ops *gops);
+void mc_gk20a_intr_enable(struct gk20a *g);
+irqreturn_t mc_gk20a_isr_stall(struct gk20a *g);
+irqreturn_t mc_gk20a_isr_nonstall(struct gk20a *g);
+irqreturn_t mc_gk20a_intr_thread_stall(struct gk20a *g);
+irqreturn_t mc_gk20a_intr_thread_nonstall(struct gk20a *g);
+#endif