gpu: nvgpu: add debugfs to dump clocks

* Removed unused registers from headers
* Added counter based MCLK
* Removed hardcoding

JIRA DNVGPU-98

Change-Id: Idffcd7fc17024582b41c29371a2295df8f0c206b
Signed-off-by: David Nieto <dmartineznie@nvidia.com>
Reviewed-on: http://git-master/r/1204019
(cherry picked from commit 48dfa41a641c3adbc4d25a35f418cf73b08d5e8c)
Reviewed-on: http://git-master/r/1227264
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 55 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gp106/clk_gp106.h b/drivers/gpu/nvgpu/gp106/clk_gp106.h
new file mode 100644
index 00000000..a50819aa
--- /dev/null
+++ b/drivers/gpu/nvgpu/gp106/clk_gp106.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2016, 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 CLK_GP106_H
+#define CLK_GP106_H
+
+#include <linux/mutex.h>
+
+#define CLK_NAMEMAP_INDEX_GPC2CLK       0x00
+#define CLK_NAMEMAP_INDEX_XBAR2CLK      0x02
+#define CLK_NAMEMAP_INDEX_SYS2CLK       0x07    /* SYSPLL */
+#define CLK_NAMEMAP_INDEX_DRAMCLK       0x20    /* DRAMPLL */
+
+#define CLK_DEFAULT_CNTRL_SETTLE_RETRIES 10
+#define CLK_DEFAULT_CNTRL_SETTLE_USECS   5
+
+#define XTAL_CNTR_CLKS          2700    /* 100usec at 27KHz XTAL */
+#define XTAL_CNTR_DELAY         110     /* leave 10 extra usec   */
+#define XTAL_SCALE_TO_KHZ       10
+
+
+
+struct namemap_cfg {
+        u32 namemap;
+        u32 is_enable;  /* Namemap enabled */
+        u32 is_counter; /* Using cntr */
+        struct gk20a *g;
+        union {
+                struct {
+                        u32 reg_ctrl_addr;
+                        u32 reg_ctrl_idx;
+                        u32 reg_cntr_addr;
+                } cntr;
+                struct {
+                        /* Todo */
+                } pll;
+        };
+        char name[24];
+};
+
+void gp106_init_clk_ops(struct gpu_ops *gops);
+
+#endif /* CLK_GP106_H */