gpu: nvgpu: add nvhost abstraction files

Add new abstraction file common/linux/nvhost.c for all
nvhost APIs and operations and export them from
header <nvgpu/nvhost.h>

This file will be compiled only if config
CONFIG_TEGRA_GK20A_NVHOST is set

Define struct nvgpu_nvhost_dev in a separate private
header nvhost_priv.h

Jira NVGPU-29

Change-Id: I17e1f7836d4854feadff0c339bc093e78ba7f3eb
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1489725
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/Makefile.nvgpu b/drivers/gpu/nvgpu/Makefile.nvgpu
index c6ae67d4..5d06aad2 100644
--- a/drivers/gpu/nvgpu/Makefile.nvgpu
+++ b/drivers/gpu/nvgpu/Makefile.nvgpu
@@ -131,6 +131,7 @@ nvgpu-$(CONFIG_DEBUG_FS) += \
 nvgpu-$(CONFIG_TEGRA_GK20A) += tegra/linux/platform_gk20a_tegra.o
 nvgpu-$(CONFIG_SYNC) += gk20a/sync_gk20a.o
 nvgpu-$(CONFIG_GK20A_PCI) += common/linux/pci.o
+nvgpu-$(CONFIG_TEGRA_GK20A_NVHOST) += common/linux/nvhost.o
 
 nvgpu-$(CONFIG_TEGRA_GR_VIRTUALIZATION) += \
         gk20a/platform_vgpu_tegra.o \