#
# Copyright (C) Imagination Technologies Ltd. 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, except 
# as otherwise stated in writing, 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, write to the Free Software Foundation, Inc.,
# 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
# 
# The full GNU General Public License is included in this distribution in
# the file called "COPYING".
#
# Contact Information:
# Imagination Technologies Ltd. <gpl-support@imgtec.com>
# Home Park Estate, Kings Langley, Herts, WD4 8LZ, UK 
# 
#

PVR_SYSTEM		:= omap4

KERNEL_COMPONENTS := srvkm

# Confirm kernel version with KERNELDIR if supplied, otherwise assume
# a 2.6.35+ kernel.
ifneq ($(KERNELDIR),)
include ../kernel_version.mk
OMAP_KERNEL_AT_LEAST_2_6_35 := $(shell test $(KERNEL_VERSION) -ge 3 || \
			test $(KERNEL_VERSION) -ge 2 -a \
			$(KERNEL_PATCHLEVEL) -ge 6 -a \
			$(KERNEL_SUBLEVEL) -ge 35 && echo 1 || echo 0)
else
OMAP_KERNEL_AT_LEAST_2_6_35 := 1
endif

include ../common/xorg_test.mk

ifeq ($(want_xorg),1)
SUPPORT_DRI_DRM := 1
SUPPORT_DRI_DRM_EXTERNAL := 1
SUPPORT_BC_EXAMPLE ?= 0
else
SUPPORT_BC_EXAMPLE ?= 1
endif

# Only enable active power management if passive power management is
# enabled, as indicated by LDM_PLATFORM being set to 1.  On OMAP,
# the system can suspend in the case where active power management is
# enabled in the SGX driver, but passive power management isn't. As
# passive power management isn't enabled, the driver won't see the
# system suspend/resume events, and so won't take appropriate action.
LDM_PLATFORM ?= 1

ifeq ($(LDM_PLATFORM),1)
SUPPORT_LINUX_USING_WORKQUEUES := 1
#DISPLAY_CONTROLLER_COMPONENT += dc_omapdrm_linux
#DISPLAY_CONTROLLER := omaplfb
else
SUPPORT_LINUX_USING_SHARED_WORKQUEUES := 1
OMAP_NON_FLIP_DISPLAY := 1
DISPLAY_CONTROLLER_COMPONENT += linux_framebuffer
DISPLAY_CONTROLLER := pvrlfb
endif

# When flipping is enabled, the Framebuffer API will be used to
# present the frames to the display in the 3PDD
FLIP_TECHNIQUE_FRAMEBUFFER := 1

OPTIM := -Os

SYS_CFLAGS := -march=armv7-a

ifneq ($(CROSS_COMPILE),)
SYS_CFLAGS += -mtls-dialect=arm
endif

SUPPORT_OMAP4430_NEON ?= 1

ifeq ($(SUPPORT_OMAP4430_NEON),1)
SYS_CFLAGS += -ftree-vectorize -mfpu=neon -mfloat-abi=hard
endif

PVR_NO_FULL_CACHE_OPS := 1

LIBGCC := $(shell $(CROSS_COMPILE)gcc -print-libgcc-file-name)

SGXCORE := 540
SGX_CORE_REV := 120

SGX_DYNAMIC_TIMING_INFO := 1
SYS_CUSTOM_POWERLOCK_WRAP := 1

ifeq ($(OMAP_KERNEL_AT_LEAST_2_6_35),1)
ifeq ($(LDM_PLATFORM),1)
PVR_LDM_PLATFORM_PRE_REGISTERED := 1
endif
endif

BUILD_OPENCL ?= 0
ifneq ($(BUILD_OPENCL),1)
EXCLUDED_APIS += opencl
endif

ifeq ($(want_xorg),1)

ifeq ($(OMAP_KERNEL_AT_LEAST_2_6_35),1)
PVR_DRI_DRM_PLATFORM_DEV := 1
else
PVR_DRI_DRM_NOT_PCI := 1
endif

XORG_PREFIX := /usr
XORG_TOOLCHAIN := extern
XORG_PVR_CONF := omap4
XORG_PVR_VIDEO := omap4
XF86_VIDEO ?= ti-pvr_video

OPK_DEFAULT := libpvrPVR2D_DRIWSEGL.so
OPK_FALLBACK := libpvrPVR2D_DRIWSEGL.so

ifneq ($(OMAP_NON_FLIP_DISPLAY),1)
XORG_PVR_VIDEO ?= $(PVR_SYSTEM)
PVR_DISPLAY_CONTROLLER_DRM_IOCTL := 1
endif

else  # xorg isn't excluded

ifeq ($(OMAP_NON_FLIP_DISPLAY),1)
OPK_DEFAULT := libpvrPVR2D_BLITWSEGL.so
else
OPK_DEFAULT := libpvrPVR2D_FLIPWSEGL.so
endif
OPK_FALLBACK := libpvrPVR2D_BLITWSEGL.so

endif # xorg isn't excluded

ifeq ($(SUPPORT_DRI_DRM),1)
ifeq ($(PVR_DRI_DRM_NOT_PCI),1)
KERNEL_COMPONENTS += linux_drm
EXTRA_KBUILD_SOURCE := $(KERNELDIR)
endif
EXTRA_PVRSRVKM_COMPONENTS += $(DISPLAY_CONTROLLER_COMPONENT)
else
KERNEL_COMPONENTS += $(DISPLAY_CONTROLLER_COMPONENT)
endif

SUPPORT_V4L2_GFX ?= 0

SUPPORT_MEMINFO_IDS ?= 1

SUPPORT_MESA_SONAME ?= 1

ifeq ($(SUPPORT_V4L2_GFX),1)
KERNEL_COMPONENTS += v4l2-gfx
endif

ifeq ($(SUPPORT_BC_EXAMPLE),1)
KERNEL_COMPONENTS += bufferclass_example
endif

PVRSRV_MODNAME := omapdrm_pvr

PVRSRV_BUSID := platform:omapdrm:00

include ../config/core.mk
include ../common/xorg.mk
include ../common/dridrm.mk
include ../common/opencl.mk
include ../common/omap4.mk

# We only need this for pvr_video's includes, which should
# really be done differently, as DISPLAY_CONTROLLER_DIR is
# now obsolete..
#
$(eval $(call UserConfigMake,DISPLAY_CONTROLLER_DIR,3rdparty/$(DISPLAY_CONTROLLER_COMPONENT)))