tegra: mce: add scf dda register interface

Add interface to access DDA control registers through NVG protocol,
which is used by the LA/PTSA driver.

Bug 1755290

JIRA: TMM-104

Change-Id: I3c76bfd65b34496289044fc29f66f553e620add3
Signed-off-by: Chetan Kumar <chetankumarn@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1640625
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Varun Wadekar <vwadekar@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Krishna Sitaraman <ksitaraman@nvidia.com>
Reviewed-by: Alexander Van Brunt <avanbrunt@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/include/linux/tegra-mce.h b/include/linux/tegra-mce.h
index 4017b6e78..78c6ae88d 100644
--- a/include/linux/tegra-mce.h
+++ b/include/linux/tegra-mce.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014-2017, NVIDIA CORPORATION. All rights reserved.
+ * Copyright (c) 2014-2018, 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,
@@ -114,6 +114,8 @@ int tegra_mce_write_uncore_mca(mca_cmd_t cmd, u64 data, u32 *error);
 int tegra_mce_read_uncore_perfmon(u32 req, u32 *data);
 int tegra_mce_write_uncore_perfmon(u32 req, u32 data);
 int tegra_mce_enable_latic(void);
+int tegra_mce_write_dda_ctrl(u32 index, u64 value);
+int tegra_mce_read_dda_ctrl(u32 index, u64 *value);
 
 /* Tegra cache functions */
 int tegra_flush_cache_all(void);