gpu: nvgpu: Add NVIDIA GPU Driver

This patch moves the NVIDIA GPU driver to a new location.

Bug 1482562

Change-Id: I24293810b9d0f1504fd9be00135e21dad656ccb6
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Reviewed-on: http://git-master/r/383722
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 83 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.h b/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.h
new file mode 100644
index 00000000..49827608
--- /dev/null
+++ b/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.h
@@ -0,0 +1,83 @@
+/*
+ * Tegra GK20A GPU Debugger Driver
+ *
+ * Copyright (c) 2013-2014, 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef __DBG_GPU_GK20A_H_
+#define __DBG_GPU_GK20A_H_
+#include <linux/poll.h>
+
+/* module debug driver interface */
+int gk20a_dbg_gpu_dev_release(struct inode *inode, struct file *filp);
+int gk20a_dbg_gpu_dev_open(struct inode *inode, struct file *filp);
+long gk20a_dbg_gpu_dev_ioctl(struct file *filp, unsigned int cmd, unsigned long arg);
+unsigned int gk20a_dbg_gpu_dev_poll(struct file *filep, poll_table *wait);
+
+/* used by profiler driver interface */
+int gk20a_prof_gpu_dev_open(struct inode *inode, struct file *filp);
+
+/* used by the interrupt handler to post events */
+void gk20a_dbg_gpu_post_events(struct channel_gk20a *fault_ch);
+
+struct dbg_gpu_session_ops {
+        int (*exec_reg_ops)(struct dbg_session_gk20a *dbg_s,
+                            struct nvhost_dbg_gpu_reg_op *ops,
+                            u64 num_ops);
+};
+
+struct dbg_gpu_session_events {
+        wait_queue_head_t wait_queue;
+        bool events_enabled;
+        int num_pending_events;
+};
+
+struct dbg_session_gk20a {
+        /* dbg session id used for trace/prints */
+        int id;
+
+        /* profiler session, if any */
+        bool is_profiler;
+
+        /* power enabled or disabled */
+        bool is_pg_disabled;
+
+        /*
+         * There can be different versions of the whitelists
+         * between both global and per-context sets; as well
+         * as between debugger and profiler interfaces.
+         */
+        struct regops_whitelist *global;
+        struct regops_whitelist *per_context;
+
+        /* gpu module vagaries */
+        struct device             *dev;
+        struct platform_device    *pdev;
+        struct gk20a              *g;
+
+        /* bound channel, if any */
+        struct file          *ch_f;
+        struct channel_gk20a *ch;
+
+        /* session operations */
+        struct dbg_gpu_session_ops *ops;
+
+        /* event support */
+        struct dbg_gpu_session_events dbg_events;
+        struct list_head dbg_s_list_node;
+};
+
+extern struct dbg_gpu_session_ops dbg_gpu_session_ops_gk20a;
+
+#endif /* __DBG_GPU_GK20A_H_ */