Make hal-backend-tdm-fbdev package 68/256568/2
authorJunkyeong Kim <jk0430.kim@samsung.com>
Wed, 7 Apr 2021 08:03:35 +0000 (17:03 +0900)
committerJunkyeong Kim <jk0430.kim@samsung.com>
Fri, 9 Apr 2021 10:36:06 +0000 (19:36 +0900)
This is the first step for implementing the new hal backend.
libhal-backend-tdm-fbdev package has a new hal backend module.
The new hal architecture will be available for Tizen 6.5.

Change-Id: Ifa0e256abaad4373a34dababb262f92ee23e0121
Signed-off-by: Junkyeong Kim <jk0430.kim@samsung.com>
15 files changed:
configure.ac
packaging/libhal-backend-tdm-fbdev.manifest [new file with mode: 0644]
packaging/libtdm-fbdev.spec
src/Makefile.am
src/libhal-backend-tdm-fbdev/Makefile.am [new file with mode: 0644]
src/libhal-backend-tdm-fbdev/tdm_backend_fbdev.c [new file with mode: 0644]
src/libhal-backend-tdm-fbdev/tdm_backend_fbdev.h [new file with mode: 0644]
src/libhal-backend-tdm-fbdev/tdm_backend_fbdev_types.h [new file with mode: 0644]
src/libhal-backend-tdm-fbdev/tdm_backend_list.h [new file with mode: 0644]
src/libhal-backend-tdm-fbdev/tdm_backend_log.c [new file with mode: 0644]
src/libhal-backend-tdm-fbdev/tdm_backend_log.h [new file with mode: 0644]
src/libhal-backend-tdm-fbdev/tdm_fbdev_display.c [new file with mode: 0644]
src/libhal-backend-tdm-fbdev/tdm_fbdev_format.h [new file with mode: 0644]
src/libhal-backend-tdm-fbdev/tdm_fbdev_hwc.c [new file with mode: 0644]
src/libhal-backend-tdm-fbdev/tdm_fbdev_hwc_window.c [new file with mode: 0644]

index dd432221d33ecc9103f1ed58d29074488f229481..ec56a4de5f3f50b90872bb84eeb3fb76cb9cf029 100644 (file)
@@ -24,16 +24,25 @@ LT_INIT([disable-static])
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 
 PKG_CHECK_MODULES(TDM_DRM, libtdm libtbm libdrm)
+
+PKG_CHECK_MODULES(LIBHAL_BACKEND_TDM_FBDEV, hal-api-common hal-api-tdm hal-api-tbm libdrm dlog)
+
 PKG_CHECK_MODULES(UDEV, libudev, [udev=yes], [udev=no])
 if test x"$udev" = xyes; then
        AC_DEFINE(HAVE_UDEV,1,[Enable udev-based monitor hotplug detection])
        TDM_DRM_CFLAGS="$TDM_DRM_CFLAGS $UDEV_CFLAGS"
        TDM_DRM_LIBS="$TDM_DRM_LIBS $UDEV_LIBS"
+
+       LIBHAL_BACKEND_TDM_FBDEV_CFLAGS="$LIBHAL_BACKEND_TDM_FBDEV_CFLAGS $UDEV_CFLAGS"
+       LIBHAL_BACKEND_TDM_FBDEV_LIBS="$LIBHAL_BACKEND_TDM_FBDEV_LIBS $UDEV_LIBS"
 fi
 
 AC_SUBST(TDM_DRM_CFLAGS)
 AC_SUBST(TDM_DRM_LIBS)
 
+AC_SUBST(LIBHAL_BACKEND_TDM_FBDEV_CFLAGS)
+AC_SUBST(LIBHAL_BACKEND_TDM_FBDEV_LIBS)
+
 AC_DEFINE_UNQUOTED(LIBDRM_MAJOR_VERSION, [`pkg-config --modversion libdrm | cut -d '.' -f 1`], dnl
                    [libdrm major version])
 AC_DEFINE_UNQUOTED(LIBDRM_MIROR_VERSION, [`pkg-config --modversion libdrm | cut -d '.' -f 2`], dnl
@@ -41,23 +50,40 @@ AC_DEFINE_UNQUOTED(LIBDRM_MIROR_VERSION, [`pkg-config --modversion libdrm | cut
 AC_DEFINE_UNQUOTED(LIBDRM_MICRO_VERSION, [`pkg-config --modversion libdrm | cut -d '.' -f 3`], dnl
                    [libdrm major version])
 
-# set the dir for the tbm module
+# set the dir for the tdm module
 DEFAULT_TDM_MODULE_PATH="${libdir}/tdm"
 AC_ARG_WITH(tdm-module-path, AS_HELP_STRING([--with-tdm-module-path=PATH], [tdm module dir]),
                                [ TDM_MODULE_PATH="$withval" ],
                                [ TDM_MODULE_PATH="${DEFAULT_TDM_MODULE_PATH}" ])
 AC_SUBST(TDM_MODULE_PATH)
 
+# set the library dir for the tdm hal backend
+DEFAULT_HAL_LIBDIR="/hal/lib"
+AC_ARG_WITH(hal-libdir, AS_HELP_STRING([--with-hal-libdir=PATH], [hal backend library path]),
+                               [ HAL_LIBDIR="$withval" ],
+                               [ HAL_LIBDIR="${DEFAULT_HAL_LIBDIR}" ])
+AC_DEFINE_UNQUOTED(HAL_LIBDIR, "${HAL_LIBDIR}", [Directory for hal backend library path])
+AC_SUBST(HAL_LIBDIR)
+
+
 # For enumerating devices in test case
 AC_OUTPUT([
        Makefile
+       src/libhal-backend-tdm-fbdev/Makefile
        src/libtdm-fbdev/Makefile
        src/Makefile])
 
+echo ""
+echo "$PACKAGE_STRING will be compiled with:"
+echo ""
+echo "TDM_DRM_CFLAGS : $LIBHAL_BACKEND_TDM_FBDEV_CFLAGS"
+echo "TDM_DRM_LIBS   : $LIBHAL_BACKEND_TDM_FBDEV_LIBS"
+echo "TDM_MODULE_DIR : $HAL_LIBDIR"
+echo ""
 echo ""
 echo "$PACKAGE_STRING will be compiled with:"
 echo ""
 echo "TDM_DRM_CFLAGS : $TDM_DRM_CFLAGS"
 echo "TDM_DRM_LIBS   : $TDM_DRM_LIBS"
-echo "TDM_MODULE_DIR    : $TDM_MODULE_PATH"
+echo "TDM_MODULE_DIR : $TDM_MODULE_PATH"
 echo ""
diff --git a/packaging/libhal-backend-tdm-fbdev.manifest b/packaging/libhal-backend-tdm-fbdev.manifest
new file mode 100644 (file)
index 0000000..75b0fa5
--- /dev/null
@@ -0,0 +1,5 @@
+<manifest>
+    <request>
+        <domain name="_"/>
+    </request>
+</manifest>
index d4701737c10751684788894880a1c54d763ae2de..f6c73406dbb79835ca48570f575d699ef1e99672 100644 (file)
@@ -6,21 +6,39 @@ Group:          Development/Libraries
 License:        MIT
 Source0:        %{name}-%{version}.tar.gz
 Source1001:        %{name}.manifest
+Source1002:        libhal-backend-tdm-fbdev.manifest
+
 BuildRequires: pkgconfig(libdrm)
 BuildRequires: pkgconfig(libudev)
+BuildRequires: pkgconfig(dlog)
 BuildRequires: pkgconfig(libtdm)
+BuildRequires: pkgconfig(libtbm)
+BuildRequires: pkgconfig(hal-api-common)
+BuildRequires: pkgconfig(hal-api-tdm)
+BuildRequires: pkgconfig(hal-api-tbm)
 
 %description
 Back-End library of Tizen Display Manager FBDEV : libtdm-mgr FBDEV library
 
+%package -n hal-backend-tdm-fbdev
+Summary:       hal-backend-tdm module for fbdev
+Group:         System/Libraries
+Requires:      hal-api-tdm
+Requires:      hal-api-common
+
+%description -n hal-backend-tdm-fbdev
+descriptionion: hal tdm backend module for fbdev
+
 %global TZ_SYS_RO_SHARE  %{?TZ_SYS_RO_SHARE:%TZ_SYS_RO_SHARE}%{!?TZ_SYS_RO_SHARE:/usr/share}
 
 %prep
 %setup -q
 cp %{SOURCE1001} .
+cp %{SOURCE1002} .
 
 %build
 %reconfigure --prefix=%{_prefix} --libdir=%{_libdir}  --disable-static \
+             --with-hal-libdir=%{_hal_libdir} \
              CFLAGS="${CFLAGS} -Wall -Werror" \
              LDFLAGS="${LDFLAGS} -Wl,--hash-style=both -Wl,--as-needed"
 make %{?_smp_mflags}
@@ -37,8 +55,21 @@ ln -s libtdm-fbdev.so %{_libdir}/tdm/libtdm-default.so
 
 %postun -p /sbin/ldconfig
 
+%post -n hal-backend-tdm-fbdev
+if [ -f %{_hal_libdir}/libhal-backend-tdm.so ]; then
+    rm -rf %{_hal_libdir}/libhal-backend-tdm.so
+fi
+ln -s libhal-backend-tdm-fbdev.so %{_hal_libdir}/libhal-backend-tdm.so
+
+%postun -n hal-backend-tdm-fbdev -p /sbin/ldconfig
+
 %files
 %defattr(-,root,root,-)
 %manifest %{name}.manifest
 %license COPYING
 %{_libdir}/tdm/libtdm-fbdev.so
+
+%files -n hal-backend-tdm-fbdev
+%manifest libhal-backend-tdm-fbdev.manifest
+%license COPYING
+%{_hal_libdir}/libhal-backend-*.so*
index f4f7686fcf7d3013b41cc94f737b610c9f244ba9..41bea77c30d27584c97d68d5cab223ffb0f1e597 100644 (file)
@@ -1 +1 @@
-SUBDIRS = libtdm-fbdev
+SUBDIRS = libtdm-fbdev libhal-backend-tdm-fbdev
diff --git a/src/libhal-backend-tdm-fbdev/Makefile.am b/src/libhal-backend-tdm-fbdev/Makefile.am
new file mode 100644 (file)
index 0000000..24c253a
--- /dev/null
@@ -0,0 +1,15 @@
+AM_CFLAGS = \
+       $(LIBHAL_BACKEND_TDM_FBDEV_CFLAGS) \
+       -I$(top_srcdir)/src/libhal-backend-tdm-fbdev
+
+libhal_backend_tdm_fbdev_la_LTLIBRARIES = libhal-backend-tdm-fbdev.la
+libhal_backend_tdm_fbdev_ladir = @HAL_LIBDIR@
+libthal_backend_dm_fbdev_la_LDFLAGS = -module -avoid-version
+libhal_backend_tdm_fbdev_la_LIBADD = $(LIBHAL_BACKEND_TDM_FBDEV_LIBS) -ldl
+
+libhal_backend_tdm_fbdev_la_SOURCES = \
+       tdm_backend_fbdev.c \
+       tdm_backend_log.c \
+       tdm_fbdev_display.c \
+       tdm_fbdev_hwc.c \
+       tdm_fbdev_hwc_window.c
diff --git a/src/libhal-backend-tdm-fbdev/tdm_backend_fbdev.c b/src/libhal-backend-tdm-fbdev/tdm_backend_fbdev.c
new file mode 100644 (file)
index 0000000..be588a8
--- /dev/null
@@ -0,0 +1,362 @@
+/**************************************************************************
+
+libtdm_fbdev
+
+Copyright 2016 Samsung Electronics co., Ltd. All Rights Reserved.
+
+Contact: SooChan Lim <sc1.lim@samsung.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sub license, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice (including the
+next paragraph) shall be included in all copies or substantial portions
+of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
+ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+**************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "tdm_backend_fbdev.h"
+
+#define TDM_FBDEV_NAME "fbdev"
+
+static int
+_tdm_fbdev_open_fbdev(void)
+{
+       const char *name = "/dev/fb0";
+       int fd = -1;
+
+       fd = open(name, O_RDWR);
+       if (fd < 0) {
+               TDM_BACKEND_ERR("Cannot open fbdev device.. search by udev");
+               goto close;
+       }
+
+       /*
+        * TODO: If we failed directly to open framebuffer device
+        * we would try to open it through udev
+        */
+
+close:
+
+       return fd;
+}
+
+static hal_tdm_error
+_tdm_fbdev_init_internal(tdm_fbdev_display *display_data)
+{
+       struct fb_fix_screeninfo *finfo = calloc(1, sizeof(struct fb_fix_screeninfo));
+       struct fb_var_screeninfo *vinfo = calloc(1, sizeof(struct fb_var_screeninfo));
+       int ret = -1;
+
+       if (display_data == NULL) {
+               TDM_BACKEND_ERR("invalid parameter");
+               goto close_1;
+       }
+
+       ret = ioctl(display_data->fbdev_fd, FBIOGET_VSCREENINFO, vinfo);
+       if (ret < 0) {
+               TDM_BACKEND_ERR("FBIOGET_VSCREENINFO ioctl failed errno=%d", errno);
+               goto close_1;
+       }
+
+       vinfo->reserved[0] = 0;
+       vinfo->reserved[1] = 0;
+       vinfo->reserved[2] = 0;
+       vinfo->xoffset = 0;
+       vinfo->yoffset = 0;
+       vinfo->activate = FB_ACTIVATE_NOW;
+
+       /*
+        * Explicitly request 32 bits per pixel colors with corresponding
+        * red, blue and green color offsets and length of colors
+        */
+       vinfo->bits_per_pixel   = 32;
+       vinfo->red.offset               = 16;
+       vinfo->red.length               = 8;
+       vinfo->green.offset             = 8;
+       vinfo->green.length             = 8;
+       vinfo->blue.offset              = 0;
+       vinfo->blue.length              = 8;
+       vinfo->transp.offset    = 0;
+       vinfo->transp.length    = 0;
+
+       vinfo->yres_virtual = vinfo->yres * MAX_BUF;
+       ret = ioctl(display_data->fbdev_fd, FBIOPAN_DISPLAY, vinfo);
+       if (ret < 0)
+               TDM_BACKEND_ERR("FBIOPAN_DISPLAY ioctl failed, errno=%d", errno);
+
+       ret = ioctl(display_data->fbdev_fd, FBIOGET_FSCREENINFO, finfo);
+       if (ret < 0) {
+               TDM_BACKEND_ERR("FBIOGET_FSCREENINFO ioctl failed, errno=%d", errno);
+               goto close_1;
+       }
+
+       if (finfo->smem_len <= 0) {
+               TDM_BACKEND_ERR("Length of frame buffer mem less then 0");
+               goto close_1;
+       }
+
+       display_data->vinfo = vinfo;
+       display_data->finfo = finfo;
+
+       /*
+        * Output framebuffer's related information
+        */
+       TDM_BACKEND_INFO("\n"
+                       " VInfo\n"
+                       "   fb           = %d\n"
+                       "   xres         = %d px \n"
+                       "   yres         = %d px \n"
+                       "   xres_virtual = %d px \n"
+                       "   yres_virtual = %d px \n"
+                       "   bpp          = %d    \n"
+                       "   r            = %2u:%u\n"
+                       "   g            = %2u:%u\n"
+                       "   b            = %2u:%u\n"
+                       "   t            = %2u:%u\n"
+                       "   active       = %d    \n"
+                       "   width        = %d mm \n"
+                       "   height       = %d mm \n",
+                       display_data->fbdev_fd,
+                       vinfo->xres,
+                       vinfo->yres,
+                       vinfo->xres_virtual,
+                       vinfo->yres_virtual,
+                       vinfo->bits_per_pixel,
+                       vinfo->red.offset, vinfo->red.length,
+                       vinfo->green.offset, vinfo->green.length,
+                       vinfo->blue.offset, vinfo->blue.length,
+                       vinfo->transp.offset, vinfo->transp.length,
+                       vinfo->activate,
+                       vinfo->width,
+                       vinfo->height);
+
+       TDM_BACKEND_INFO("\n"
+                       " FInfo\n"
+                       "   id          = %s\n"
+                       "   smem_len    = %d\n"
+                       "   line_length = %d\n",
+                       finfo->id,
+                       finfo->smem_len,
+                       finfo->line_length);
+
+       return HAL_TDM_ERROR_NONE;
+close_1:
+       ret = HAL_TDM_ERROR_OPERATION_FAILED;
+       free(vinfo);
+       free(finfo);
+       return ret;
+}
+
+int
+hal_backend_tdm_fbdev_exit(void *data)
+{
+       hal_tdm_backend_data *backend_data = (hal_tdm_backend_data *)data;
+       tdm_fbdev_display *display_data;
+
+       TDM_BACKEND_INFO("deinit");
+
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(backend_data != NULL, -1);
+
+       display_data = (tdm_fbdev_display *)backend_data->display;
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(display_data != NULL, -1);
+
+       if (backend_data->hwc_window_funcs) {
+               free(backend_data->hwc_window_funcs);
+               backend_data->hwc_window_funcs = NULL;
+       }
+       if (backend_data->hwc_funcs) {
+               free(backend_data->hwc_funcs);
+               backend_data->hwc_funcs = NULL;
+       }
+       if (backend_data->output_funcs) {
+               free(backend_data->output_funcs);
+               backend_data->output_funcs = NULL;
+       }
+       if (backend_data->display_funcs) {
+               free(backend_data->display_funcs);
+               backend_data->display_funcs = NULL;
+       }
+
+       if (display_data->fbdev_fd >= 0)
+               close(display_data->fbdev_fd);
+
+       tdm_fbdev_display_destroy_buffer_list(display_data);
+       tdm_fbdev_destroy_layer(display_data);
+       tdm_fbdev_destroy_output(display_data);
+
+       if (display_data->vinfo)
+               free(display_data->vinfo);
+
+       if (display_data->finfo)
+               free(display_data->finfo);
+
+       free(display_data);
+       free(backend_data);
+
+       return HAL_TDM_ERROR_NONE;
+}
+
+static int
+hal_backend_tdm_fbdev_init(void **data)
+{
+       hal_tdm_backend_data *backend_data = NULL;
+       hal_tdm_display_funcs *display_funcs = NULL;
+       hal_tdm_output_funcs *output_funcs = NULL;
+       hal_tdm_hwc_funcs *hwc_funcs = NULL;
+       hal_tdm_hwc_window_funcs *hwc_window_funcs = NULL;
+       tdm_fbdev_display *display_data = NULL;
+       hal_tdm_error ret;
+
+       /* allocate a hal_tdm_backend_data */
+       backend_data = calloc(1, sizeof(struct _hal_tdm_backend_data));
+       if (!backend_data) {
+               TDM_BACKEND_ERR("fail to alloc backend_data!\n");
+               *data = NULL;
+               return -1;
+       }
+       *data = backend_data;
+
+       /* allocate a hal_tdm_display */
+       display_data = calloc(1, sizeof(struct _tdm_fbdev_display));
+       if (!display_data) {
+               TDM_BACKEND_ERR("fail to alloc display_data!\n");
+               goto failed;
+       }
+       backend_data->display = (hal_tdm_display *)display_data;
+
+       LIST_INITHEAD(&display_data->buffer_list);
+
+       /* alloc and register display_funcs */
+       display_funcs = calloc(1, sizeof(struct _hal_tdm_display_funcs));
+       if (!display_funcs) {
+               TDM_BACKEND_ERR("fail to alloc display_funcs!\n");
+               goto failed;
+       }
+       backend_data->display_funcs = display_funcs;
+
+       display_funcs->display_get_capability = fbdev_display_get_capability;
+       display_funcs->display_get_outputs = fbdev_display_get_outputs;
+       display_funcs->display_get_fd = NULL;
+       display_funcs->display_handle_events = NULL;
+
+       /* alloc and register output_funcs */
+       output_funcs = calloc(1, sizeof(struct _hal_tdm_output_funcs));
+       if (!output_funcs) {
+               TDM_BACKEND_ERR("fail to alloc output_funcs!\n");
+               goto failed;
+       }
+       backend_data->output_funcs = output_funcs;
+
+       output_funcs->output_get_capability = fbdev_output_get_capability;
+       output_funcs->output_set_property = fbdev_output_set_property;
+       output_funcs->output_get_property = fbdev_output_get_property;
+       output_funcs->output_wait_vblank = fbdev_output_wait_vblank;
+       output_funcs->output_set_vblank_handler = fbdev_output_set_vblank_handler;
+       output_funcs->output_set_dpms = fbdev_output_set_dpms;
+       output_funcs->output_get_dpms = fbdev_output_get_dpms;
+       output_funcs->output_set_mode = fbdev_output_set_mode;
+       output_funcs->output_get_mode = fbdev_output_get_mode;
+       output_funcs->output_get_hwc = fbdev_output_get_hwc;
+
+       /* alloc and register hwc_funcs */
+       hwc_funcs = calloc(1, sizeof(struct _hal_tdm_hwc_funcs));
+       if (!hwc_funcs) {
+               TDM_BACKEND_ERR("fail to alloc hwc_funcs!\n");
+               goto failed;
+       }
+       backend_data->hwc_funcs = hwc_funcs;
+
+       hwc_funcs->hwc_create_window = fbdev_hwc_create_window;
+       hwc_funcs->hwc_get_video_supported_formats = fbdev_hwc_get_video_supported_formats;
+       hwc_funcs->hwc_get_capabilities = fbdev_hwc_get_capabilities;
+       hwc_funcs->hwc_get_available_properties = fbdev_hwc_get_available_properties;
+       hwc_funcs->hwc_get_client_target_buffer_queue = fbdev_hwc_get_client_target_buffer_queue;
+       hwc_funcs->hwc_set_client_target_buffer = fbdev_hwc_set_client_target_buffer;
+       hwc_funcs->hwc_validate = fbdev_hwc_validate;
+       hwc_funcs->hwc_get_changed_composition_types = fbdev_hwc_get_changed_composition_types;
+       hwc_funcs->hwc_accept_validation  = fbdev_hwc_accept_validation;
+       hwc_funcs->hwc_commit = fbdev_hwc_commit;
+       hwc_funcs->hwc_set_commit_handler = fbdev_hwc_set_commit_handler;
+
+       /* alloc and register hwc_window_funcs */
+       hwc_window_funcs = calloc(1, sizeof(struct _hal_tdm_hwc_window_funcs));
+       if (!hwc_window_funcs) {
+               TDM_BACKEND_ERR("fail to alloc hwc_window_funcs!\n");
+               goto failed;
+       }
+       backend_data->hwc_window_funcs = hwc_window_funcs;
+
+       hwc_window_funcs->hwc_window_destroy = fbdev_hwc_window_destroy;
+       hwc_window_funcs->hwc_window_acquire_buffer_queue = NULL;
+       hwc_window_funcs->hwc_window_release_buffer_queue = NULL;
+       hwc_window_funcs->hwc_window_set_composition_type = fbdev_hwc_window_set_composition_type;
+       hwc_window_funcs->hwc_window_set_buffer_damage = fbdev_hwc_window_set_buffer_damage;
+       hwc_window_funcs->hwc_window_set_info = fbdev_hwc_window_set_info;
+       hwc_window_funcs->hwc_window_set_buffer = fbdev_hwc_window_set_buffer;
+       hwc_window_funcs->hwc_window_set_property = fbdev_hwc_window_set_property;
+       hwc_window_funcs->hwc_window_get_property = fbdev_hwc_window_get_property;
+       hwc_window_funcs->hwc_window_get_constraints = fbdev_hwc_window_get_constraints;
+       hwc_window_funcs->hwc_window_set_name = fbdev_hwc_window_set_name;
+       hwc_window_funcs->hwc_window_set_cursor_image = fbdev_hwc_window_set_cursor_image;
+
+       display_data->fbdev_fd = _tdm_fbdev_open_fbdev();
+       if (display_data->fbdev_fd < 0) {
+               TDM_BACKEND_ERR("fail to open fbdev!\n");
+               goto failed;
+       }
+
+       ret = _tdm_fbdev_init_internal(display_data);
+       if (ret != HAL_TDM_ERROR_NONE) {
+               TDM_BACKEND_ERR("init of framebuffer failed");
+               goto failed;
+       }
+
+       ret = tdm_fbdev_create_output(display_data);
+       if (ret != HAL_TDM_ERROR_NONE) {
+               TDM_BACKEND_ERR("init of output failed");
+               goto failed;
+       }
+
+       ret = tdm_fbdev_create_layer(display_data);
+       if (ret != HAL_TDM_ERROR_NONE) {
+               TDM_BACKEND_ERR("init of layer failed");
+               goto failed;
+       }
+
+       TDM_BACKEND_INFO("init success!");
+
+       return HAL_TDM_ERROR_NONE;
+
+failed:
+       TDM_BACKEND_ERR("init failed!");
+
+       hal_backend_tdm_fbdev_exit((void *)backend_data);
+
+       return -1;
+}
+
+hal_backend hal_backend_tdm_data = {
+       "fbdev",
+       "Samsung",
+       HAL_ABI_VERSION_TIZEN_6_5,
+       hal_backend_tdm_fbdev_init,
+       hal_backend_tdm_fbdev_exit
+};
diff --git a/src/libhal-backend-tdm-fbdev/tdm_backend_fbdev.h b/src/libhal-backend-tdm-fbdev/tdm_backend_fbdev.h
new file mode 100644 (file)
index 0000000..eb41529
--- /dev/null
@@ -0,0 +1,101 @@
+/**************************************************************************
+
+libtdm_fbdev
+
+Copyright 2016 Samsung Electronics co., Ltd. All Rights Reserved.
+
+Contact: SooChan Lim <sc1.lim@samsung.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sub license, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice (including the
+next paragraph) shall be included in all copies or substantial portions
+of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
+ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+**************************************************************************/
+
+#ifndef _TDM_FBDEV_H_
+#define _TDM_FBDEV_H_
+
+#include "tdm_backend_fbdev_types.h"
+
+#define MAX_BUF 1
+
+/* display funcs */
+hal_tdm_error       fbdev_display_get_capability(hal_tdm_display *display, hal_tdm_caps_display *caps);
+hal_tdm_output    **fbdev_display_get_outputs(hal_tdm_display *display, int *count, hal_tdm_error *error);
+hal_tdm_error       fbdev_display_get_fd(hal_tdm_display *display, int *fd);
+hal_tdm_error       fbdev_display_handle_events(hal_tdm_display *display);
+hal_tdm_pp         *fbdev_display_create_pp(hal_tdm_display *display, hal_tdm_error *error);
+
+/* output funcs */
+hal_tdm_error       fbdev_output_get_capability(hal_tdm_output *output, hal_tdm_caps_output *caps);
+hal_tdm_error       fbdev_output_set_property(hal_tdm_output *output, unsigned int id, hal_tdm_value value);
+hal_tdm_error       fbdev_output_get_property(hal_tdm_output *output, unsigned int id, hal_tdm_value *value);
+hal_tdm_error       fbdev_output_wait_vblank(hal_tdm_output *output, int interval, int sync, void *user_data);
+hal_tdm_error       fbdev_output_set_vblank_handler(hal_tdm_output *output, hal_tdm_output_vblank_handler func);
+hal_tdm_error       fbdev_output_commit(hal_tdm_output *output, int sync, void *user_data);
+hal_tdm_error       fbdev_output_set_commit_handler(hal_tdm_output *output, hal_tdm_output_commit_handler func);
+hal_tdm_error       fbdev_output_set_dpms(hal_tdm_output *output, hal_tdm_output_dpms dpms_value);
+hal_tdm_error       fbdev_output_get_dpms(hal_tdm_output *output, hal_tdm_output_dpms *dpms_value);
+hal_tdm_error       fbdev_output_set_mode(hal_tdm_output *output, const hal_tdm_output_mode *mode);
+hal_tdm_error       fbdev_output_get_mode(hal_tdm_output *output, const hal_tdm_output_mode **mode);
+hal_tdm_hwc        *fbdev_output_get_hwc(hal_tdm_output *output, hal_tdm_error *error);
+
+/* hwc funcs */
+hal_tdm_hwc_window *fbdev_hwc_create_window(hal_tdm_hwc *hwc, hal_tdm_error *error);
+hal_tdm_error       fbdev_hwc_get_video_supported_formats(hal_tdm_output *output, const tbm_format **formats, int *count);
+hal_tdm_error       fbdev_hwc_get_capabilities(hal_tdm_hwc *hwc, hal_tdm_hwc_capability *capabilities);
+hal_tdm_error       fbdev_hwc_get_available_properties(hal_tdm_hwc *hwc, const hal_tdm_prop **props, int *count);
+tbm_surface_queue_h fbdev_hwc_get_client_target_buffer_queue(hal_tdm_hwc *hwc, hal_tdm_error *error);
+hal_tdm_error       fbdev_hwc_set_client_target_buffer(hal_tdm_hwc *hwc, tbm_surface_h buffer, hal_tdm_region damage);
+hal_tdm_error       fbdev_hwc_validate(hal_tdm_hwc *hwc, hal_tdm_hwc_window **composited_wnds, uint32_t num_wnds, uint32_t *num_types);
+hal_tdm_error       fbdev_hwc_get_changed_composition_types(hal_tdm_hwc *hwc, uint32_t *num_elements, hal_tdm_hwc_window **hwc_wnds, hal_tdm_hwc_window_composition *composition_types);
+hal_tdm_error       fbdev_hwc_accept_validation(hal_tdm_hwc *hwc);
+hal_tdm_error       fbdev_hwc_commit(hal_tdm_hwc *hwc, int sync, void *user_data);
+hal_tdm_error       fbdev_hwc_set_commit_handler(hal_tdm_hwc *hwc, hal_tdm_hwc_commit_handler func);
+
+/* hwc_window funcs */
+void                fbdev_hwc_window_destroy(hal_tdm_hwc_window *hwc_window);
+hal_tdm_error       fbdev_hwc_window_set_composition_type(hal_tdm_hwc_window *hwc_window, hal_tdm_hwc_window_composition composition_type);
+hal_tdm_error       fbdev_hwc_window_set_buffer_damage(hal_tdm_hwc_window *hwc_window, hal_tdm_region damage);
+hal_tdm_error       fbdev_hwc_window_set_info(hal_tdm_hwc_window *hwc_window, hal_tdm_hwc_window_info *info);
+hal_tdm_error       fbdev_hwc_window_set_buffer(hal_tdm_hwc_window *hwc_window, tbm_surface_h surface);
+hal_tdm_error       fbdev_hwc_window_set_property(hal_tdm_hwc_window *hwc_window, unsigned int id, hal_tdm_value value);
+hal_tdm_error       fbdev_hwc_window_get_property(hal_tdm_hwc_window *hwc_window, unsigned int id, hal_tdm_value *value);
+hal_tdm_error       fbdev_hwc_window_get_constraints(hal_tdm_hwc_window *hwc_window, int *constraints);
+hal_tdm_error       fbdev_hwc_window_set_name(hal_tdm_hwc_window *hwc_window, const char *name);
+hal_tdm_error       fbdev_hwc_window_set_cursor_image(hal_tdm_hwc_window *hwc_window, int width, int height, int stride, void *ptr);
+
+
+void                tdm_fbdev_display_destroy_buffer_list(tdm_fbdev_display *display_data);
+
+hal_tdm_error       tdm_fbdev_create_output(tdm_fbdev_display *display_data);
+void                tdm_fbdev_destroy_output(tdm_fbdev_display *display_data);
+
+hal_tdm_error       tdm_fbdev_create_layer(tdm_fbdev_display *display_data);
+void                tdm_fbdev_destroy_layer(tdm_fbdev_display *display_data);
+hal_tdm_error       fbdev_layer_set_buffer(tdm_fbdev_layer *layer_data, tbm_surface_h buffer);
+hal_tdm_error       fbdev_layer_unset_buffer(tdm_fbdev_layer *layer_data);
+hal_tdm_error       fbdev_layer_set_info(tdm_fbdev_layer *layer_data, tdm_fbdev_layer_info *info);
+
+tdm_fbdev_layer    *fbdev_output_data_get_layer_data(tdm_fbdev_output *output_data, int layer_zops);
+
+hal_tdm_error       fbdev_hwc_initailize_target_window(tdm_fbdev_hwc *hwc_data);
+hal_tdm_error       fbdev_hwc_target_window_set_info(tdm_fbdev_hwc *hwc_data, int width, int height);
+
+#endif /* _TDM_FBDEV_H_ */
diff --git a/src/libhal-backend-tdm-fbdev/tdm_backend_fbdev_types.h b/src/libhal-backend-tdm-fbdev/tdm_backend_fbdev_types.h
new file mode 100644 (file)
index 0000000..832d2da
--- /dev/null
@@ -0,0 +1,245 @@
+/**************************************************************************
+
+libtdm_drm
+
+Copyright 2015 Samsung Electronics co., Ltd. All Rights Reserved.
+
+Contact: SooChan Lim <sc1.lim@samsung.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sub license, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice (including the
+next paragraph) shall be included in all copies or substantial portions
+of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
+ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+**************************************************************************/
+
+#ifndef _TDM_FBDEV_TYPES_H_
+#define _TDM_FBDEV_TYPES_H_
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <pthread.h>
+#include <errno.h>
+#include <unistd.h>
+#include <limits.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+#include <sys/mman.h>
+#include <fcntl.h>
+
+#include <linux/fb.h>
+#include <xf86drm.h>
+#include <xf86drmMode.h>
+#include <tbm_surface.h>
+#include <tbm_surface_internal.h>
+
+#include <hal-common.h>
+#include <hal-tdm-types.h>
+#include <hal-tdm-interface.h>
+
+#include "tdm_backend_list.h"
+#include "tdm_fbdev_format.h"
+#include "tdm_backend_log.h"
+
+typedef struct _tdm_fbdev_display tdm_fbdev_display;
+typedef struct _tdm_fbdev_output tdm_fbdev_output;
+typedef struct _tdm_fbdev_layer tdm_fbdev_layer;
+typedef struct _tdm_fbdev_hwc tdm_fbdev_hwc;
+typedef struct _tdm_fbdev_hwc_window tdm_fbdev_hwc_window;
+typedef struct _tdm_fbdev_display_buffer tdm_fbdev_display_buffer;
+
+typedef enum {
+       TDM_FBDEV_LAYER_CAPABILITY_CURSOR         = (1 << 0), /**< cursor */
+       TDM_FBDEV_LAYER_CAPABILITY_PRIMARY        = (1 << 1), /**< primary */
+       TDM_FBDEV_LAYER_CAPABILITY_OVERLAY        = (1 << 2), /**< overlay */
+       TDM_FBDEV_LAYER_CAPABILITY_GRAPHIC        = (1 << 4), /**< graphic */
+       TDM_FBDEV_LAYER_CAPABILITY_VIDEO          = (1 << 5), /**< video */
+       TDM_FBDEV_LAYER_CAPABILITY_SCALE          = (1 << 8), /**< if a layer_data has scale capability  */
+       TDM_FBDEV_LAYER_CAPABILITY_TRANSFORM      = (1 << 9), /**< if a layer_data has transform capability  */
+       TDM_FBDEV_LAYER_CAPABILITY_SCANOUT        = (1 << 10), /**< if a layer_data allows a scanout buffer only */
+       TDM_FBDEV_LAYER_CAPABILITY_RESEVED_MEMORY = (1 << 11), /**< if a layer_data allows a reserved buffer only */
+       TDM_FBDEV_LAYER_CAPABILITY_NO_CROP        = (1 << 12), /**< if a layer_data has no cropping capability */
+} tdm_fbdev_layer_capability;
+
+typedef struct _tdm_fbdev_display {
+       tdm_fbdev_output *output_data;
+
+       int fbdev_fd;
+
+       hal_tdm_display *dpy;
+
+       int hwc_mode;
+
+       struct fb_fix_screeninfo *finfo;
+       struct fb_var_screeninfo *vinfo;
+
+       struct list_head buffer_list;
+} tdm_fbdev_display;
+
+struct _tdm_fbdev_output {
+       tdm_fbdev_display *display_data;
+       tdm_fbdev_layer *layer_data;
+
+       uint32_t width;
+       uint32_t height;
+       uint32_t pitch;
+       uint32_t bpp;
+       size_t size;
+       uint32_t max_width;
+       uint32_t max_height;
+
+       /*
+        * Poinetr to Framebuffers's mapped memory
+        */
+       void *mem;
+
+       int count_modes;
+       hal_tdm_output_mode *output_modes;
+       int mode_changed;
+
+       /*
+        * Frambuffer device back end currently support only one mode
+        */
+       const hal_tdm_output_mode *current_mode;
+
+       hal_tdm_output_type connector_type;
+       hal_tdm_output_conn_status status;
+       unsigned int connector_type_id;
+
+       hal_tdm_output_dpms dpms_value;
+
+       /*
+        * Event handlers
+        */
+       hal_tdm_output_vblank_handler vblank_func;
+       hal_tdm_output_commit_handler commit_func;
+
+       void *user_data;
+
+       /*
+        * Fake flags are used to simulate event-operated back end. Since tdm
+        *  library assumes its back ends to be event-operated and Framebuffer
+        *  device is not event-operated we have to make fake events
+        */
+       int is_vblank;
+       int is_commit;
+
+       int sequence;
+
+       /* hwc */
+       int hwc_enable;
+       tdm_fbdev_hwc *hwc_data;
+
+       /* dpms */
+       hal_tdm_output_dpms current_dpms;
+};
+
+typedef struct _tdm_fbdev_caps_layer {
+       tdm_fbdev_layer_capability capabilities;  /**< The capabilities of layer_data */
+
+       /**
+        * The z-order
+        * GRAPHIC layers are non-changeable. The zpos of GRAPHIC layers starts
+        * from 0. If there are 4 GRAPHIC layers, The zpos SHOULD be 0, 1, 2, 3.\n
+        * But the zpos of VIDEO layer_data is changeable by layer_set_video_pos() function
+        * of #tdm_func_layer. And The zpos of VIDEO layers is less than GRAPHIC
+        * layers or more than GRAPHIC layers.
+        * ie, ..., -2, -1, 4, 5, ... (if 0 <= GRAPHIC layer_data's zpos < 4).
+        * The zpos of VIDEO layers is @b relative. It doesn't need to start
+        * from -1 or 4. Let's suppose that there are two VIDEO layers.
+        * One has -2 zpos. Another has -4 zpos. Then -2 Video layer_data is higher
+        * than -4 VIDEO layer_data.
+       */
+       int zpos;
+
+       unsigned int format_count;      /**< The count of available formats */
+       tbm_format *formats;            /**< The @b newly-allocated array of formats. will be freed in frontend. */
+
+       unsigned int prop_count;        /**< The count of available properties */
+       hal_tdm_prop *props;                /**< The @b newly-allocated array of properties. will be freed in frontend. */
+} tdm_fbdev_caps_layer;
+
+typedef struct _tdm_fbdev_layer_info {
+       hal_tdm_info_config src_config;
+       hal_tdm_pos dst_pos;
+       hal_tdm_transform transform;
+} tdm_fbdev_layer_info;
+
+struct _tdm_fbdev_layer {
+       tdm_fbdev_display *display_data;
+       tdm_fbdev_output *output_data;
+
+       tdm_fbdev_display_buffer *display_buffer;
+       int display_buffer_changed;
+
+       tdm_fbdev_layer_capability capabilities;
+       tdm_fbdev_layer_info info;
+       int info_changed;
+};
+
+struct _tdm_fbdev_display_buffer {
+       struct list_head link;
+
+       int width;
+       int height;
+
+       tbm_surface_h buffer;
+};
+
+struct _tdm_fbdev_hwc {
+       tdm_fbdev_hwc_window *target_hwc_window;
+
+       int need_validate;
+       int need_target_window;
+       int need_set_crtc;
+
+       int target_window_zpos;
+
+       tdm_fbdev_output *output_data;
+       struct list_head hwc_window_list;
+
+       tbm_surface_h cursor_tsurface;
+
+       hal_tdm_hwc_commit_handler commit_func;
+};
+
+struct _tdm_fbdev_hwc_window {
+       struct list_head link;
+
+       tdm_fbdev_hwc *hwc_data;
+
+       hal_tdm_hwc_window_info info;
+       tbm_surface_h surface;
+       hal_tdm_hwc_window_composition client_type;
+       hal_tdm_hwc_window_composition validated_type;
+       int lzpos;
+
+       char name[HAL_TDM_NAME_LEN];
+       struct {
+               int width;
+               int height;
+               int stride;
+               void *ptr;
+       } cursor_img;
+       int cursor_img_surface;
+       int cursor_img_refresh;
+};
+
+#endif /* _TDM_FBDEV_TYPES_H_ */
diff --git a/src/libhal-backend-tdm-fbdev/tdm_backend_list.h b/src/libhal-backend-tdm-fbdev/tdm_backend_list.h
new file mode 100644 (file)
index 0000000..3873817
--- /dev/null
@@ -0,0 +1,170 @@
+/*
+ *
+ * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND. USA.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ */
+
+/**
+ * \file
+ * List macros heavily inspired by the Linux kernel
+ * list handling. No list looping yet.
+ *
+ * Is not threadsafe, so common operations need to
+ * be protected using an external mutex.
+ */
+#ifndef _U_DOUBLE_LIST_H_
+#define _U_DOUBLE_LIST_H_
+
+#include <stddef.h>
+
+struct list_head {
+       struct list_head *prev;
+       struct list_head *next;
+};
+
+static inline void list_inithead(struct list_head *item)
+{
+       item->prev = item;
+       item->next = item;
+}
+
+static inline void list_add(struct list_head *item, struct list_head *list)
+{
+       item->prev = list;
+       item->next = list->next;
+       list->next->prev = item;
+       list->next = item;
+}
+
+static inline void list_addtail(struct list_head *item, struct list_head *list)
+{
+       item->next = list;
+       item->prev = list->prev;
+       list->prev->next = item;
+       list->prev = item;
+}
+
+static inline void list_replace(struct list_head *from, struct list_head *to)
+{
+       to->prev = from->prev;
+       to->next = from->next;
+       from->next->prev = to;
+       from->prev->next = to;
+}
+
+static inline void list_del(struct list_head *item)
+{
+       item->prev->next = item->next;
+       item->next->prev = item->prev;
+}
+
+static inline void list_delinit(struct list_head *item)
+{
+       item->prev->next = item->next;
+       item->next->prev = item->prev;
+       item->next = item;
+       item->prev = item;
+}
+
+static inline int list_length(struct list_head *item)
+{
+       struct list_head *next;
+       int length = 0;
+
+       next = item->next;
+       while (next != item) {
+               length++;
+               next = next->next;
+       }
+
+       return length;
+}
+
+#define LIST_INITHEAD(__item) list_inithead(__item)
+#define LIST_ADD(__item, __list) list_add(__item, __list)
+#define LIST_ADDTAIL(__item, __list) list_addtail(__item, __list)
+#define LIST_REPLACE(__from, __to) list_replace(__from, __to)
+#define LIST_DEL(__item) list_del(__item)
+#define LIST_DELINIT(__item) list_delinit(__item)
+#define LIST_LENGTH(__item) list_length(__item)
+
+#define LIST_ENTRY(__type, __item, __field)   \
+       ((__type *)(((char *)(__item)) - offsetof(__type, __field)))
+
+#define LIST_FIRST_ENTRY(__ptr, __type, __field)   \
+       LIST_ENTRY(__type, (__ptr)->next, __field)
+
+#define LIST_LAST_ENTRY(__ptr, __type, __field)   \
+       LIST_ENTRY(__type, (__ptr)->prev, __field)
+
+#define LIST_IS_EMPTY(__list)                   \
+       ((__list)->next == (__list))
+
+#ifndef container_of
+#define container_of(ptr, sample, member)                              \
+       (void *)((char *)(ptr)                                          \
+            - ((char *)&(sample)->member - (char *)(sample)))
+#endif
+
+#define LIST_FOR_EACH_ENTRY(pos, head, member)                         \
+       for (pos = container_of((head)->next, pos, member);                     \
+       &pos->member != (head);                                         \
+       pos = container_of(pos->member.next, pos, member))
+
+#define LIST_FOR_EACH_ENTRY_REV(pos, head, member)                             \
+       for (pos = container_of((head)->prev, pos, member);                     \
+       &pos->member != (head);                                         \
+       pos = container_of(pos->member.prev, pos, member))
+
+#define LIST_FOR_EACH_ENTRY_SAFE(pos, storage, head, member)   \
+       for (pos = container_of((head)->next, pos, member),                     \
+       storage = container_of(pos->member.next, pos, member);  \
+       &pos->member != (head);                                         \
+       pos = storage, storage = container_of(storage->member.next, storage, member))
+
+#define LIST_FOR_EACH_ENTRY_SAFE_REV(pos, storage, head, member)       \
+       for (pos = container_of((head)->prev, pos, member),                     \
+       storage = container_of(pos->member.prev, pos, member);          \
+       &pos->member != (head);                                         \
+       pos = storage, storage = container_of(storage->member.prev, storage, member))
+
+#define LIST_FOR_EACH_ENTRY_FROM(pos, start, head, member)             \
+       for (pos = container_of((start), pos, member);                  \
+       &pos->member != (head);                                         \
+       pos = container_of(pos->member.next, pos, member))
+
+#define LIST_FOR_EACH_ENTRY_FROM_REV(pos, start, head, member)         \
+       for (pos = container_of((start), pos, member);                  \
+       &pos->member != (head);                                         \
+       pos = container_of(pos->member.prev, pos, member))
+
+#define LIST_FIND_ITEM(item, head, type, member, found) \
+       do {    \
+               type *pos = NULL;       \
+               found = NULL;   \
+               LIST_FOR_EACH_ENTRY(pos, head, member)  \
+                       if (pos == item) { found = item; break; }       \
+       } while (0)
+
+#endif /*_U_DOUBLE_LIST_H_*/
diff --git a/src/libhal-backend-tdm-fbdev/tdm_backend_log.c b/src/libhal-backend-tdm-fbdev/tdm_backend_log.c
new file mode 100644 (file)
index 0000000..808ceb1
--- /dev/null
@@ -0,0 +1,70 @@
+/**************************************************************************
+
+libtdm_vc4
+
+Copyright 2021 Samsung Electronics co., Ltd. All Rights Reserved.
+
+Contact: SooChan Lim <sc1.lim@samsung.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sub license, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice (including the
+next paragraph) shall be included in all copies or substantial portions
+of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
+ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+**************************************************************************/
+
+#include "tdm_backend_log.h"
+
+unsigned int tbm_log_debug_level = TDM_BACKEND_LOG_LEVEL_INFO;
+
+static void
+_tdm_backend_log_dlog_print(int level, const char *fmt, va_list arg)
+{
+       log_priority dlog_prio;
+
+       switch (level) {
+       case TDM_BACKEND_LOG_LEVEL_ERR:
+               dlog_prio = DLOG_ERROR;
+               break;
+       case TDM_BACKEND_LOG_LEVEL_WRN:
+               dlog_prio = DLOG_WARN;
+               break;
+       case TDM_BACKEND_LOG_LEVEL_INFO:
+               dlog_prio = DLOG_INFO;
+               break;
+       case TDM_BACKEND_LOG_LEVEL_DBG:
+               dlog_prio = DLOG_DEBUG;
+               break;
+       default:
+               return;
+       }
+       __dlog_vprint(LOG_ID_SYSTEM, dlog_prio, LOG_TAG, fmt, arg);
+}
+
+void
+tdm_backend_log_print(int level, const char *fmt, ...)
+{
+       va_list arg;
+
+       if (level > tbm_log_debug_level)
+               return;
+
+       va_start(arg, fmt);
+       _tdm_backend_log_dlog_print(level, fmt, arg);
+       va_end(arg);
+}
\ No newline at end of file
diff --git a/src/libhal-backend-tdm-fbdev/tdm_backend_log.h b/src/libhal-backend-tdm-fbdev/tdm_backend_log.h
new file mode 100644 (file)
index 0000000..a62ec86
--- /dev/null
@@ -0,0 +1,109 @@
+/**************************************************************************
+
+libtdm_vc4
+
+Copyright 2021 Samsung Electronics co., Ltd. All Rights Reserved.
+
+Contact: SooChan Lim <sc1.lim@samsung.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sub license, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice (including the
+next paragraph) shall be included in all copies or substantial portions
+of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
+ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+**************************************************************************/
+
+#ifndef __TDM_BACKEND_LOG_H__
+#define __TDM_BACKEND_LOG_H__
+
+#include <sys/syscall.h>
+#include <unistd.h>
+#include <time.h>
+#include <dlog.h>
+
+#undef LOG_TAG
+#define LOG_TAG "TDM_BACKEND"
+
+enum {
+       TDM_BACKEND_LOG_LEVEL_NONE,
+       TDM_BACKEND_LOG_LEVEL_ERR,
+       TDM_BACKEND_LOG_LEVEL_WRN,
+       TDM_BACKEND_LOG_LEVEL_INFO,
+       TDM_BACKEND_LOG_LEVEL_DBG,
+};
+
+
+/* log level */
+void tdm_backend_log_print(int level, const char *fmt, ...);
+
+#define TDM_BACKEND_DBG(fmt, args...) \
+       do { \
+               struct timespec ts; \
+               clock_gettime(CLOCK_MONOTONIC, &ts); \
+               tdm_backend_log_print(TDM_BACKEND_LOG_LEVEL_DBG, "[%5d.%06d][%d][%s %d]"fmt, \
+                                         (int)ts.tv_sec, (int)ts.tv_nsec / 1000, \
+                                         (int)syscall(SYS_gettid), __FUNCTION__, __LINE__, ##args);  \
+       } while (0)
+
+#define TDM_BACKEND_INFO(fmt, args...) \
+       do { \
+               struct timespec ts; \
+               clock_gettime(CLOCK_MONOTONIC, &ts); \
+               tdm_backend_log_print(TDM_BACKEND_LOG_LEVEL_INFO, "[%5d.%06d][%d][%s %d]"fmt, \
+                                         (int)ts.tv_sec, (int)ts.tv_nsec / 1000, \
+                                         (int)syscall(SYS_gettid), __FUNCTION__, __LINE__, ##args);  \
+       } while (0)
+
+#define TDM_BACKEND_WRN(fmt, args...) \
+       do { \
+               struct timespec ts; \
+               clock_gettime(CLOCK_MONOTONIC, &ts); \
+               tdm_backend_log_print(TDM_BACKEND_LOG_LEVEL_WRN, "[%5d.%06d][%d][%s %d]"fmt, \
+                                         (int)ts.tv_sec, (int)ts.tv_nsec / 1000, \
+                                         (int)syscall(SYS_gettid), __FUNCTION__, __LINE__, ##args);  \
+       } while (0)
+
+#define TDM_BACKEND_ERR(fmt, args...) \
+       do { \
+               struct timespec ts; \
+               clock_gettime(CLOCK_MONOTONIC, &ts); \
+               tdm_backend_log_print(TDM_BACKEND_LOG_LEVEL_ERR, "[%5d.%06d][%d][%s %d]"fmt, \
+                                         (int)ts.tv_sec, (int)ts.tv_nsec / 1000, \
+                                         (int)syscall(SYS_gettid), __FUNCTION__, __LINE__, ##args);  \
+       } while (0)
+
+#define TDM_BACKEND_RETURN_IF_FAIL(cond) {\
+       if (!(cond)) {\
+               TDM_BACKEND_ERR("'%s' failed.\n", #cond);\
+               return;\
+       } \
+}
+#define TDM_BACKEND_RETURN_VAL_IF_FAIL(cond, val) {\
+       if (!(cond)) {\
+               TDM_BACKEND_ERR("'%s' failed.\n", #cond);\
+               return val;\
+       } \
+}
+#define TDM_BACKEND_GOTO_VAL_IF_FAIL(cond, val) {\
+       if (!(cond)) {\
+               TDM_BACKEND_ERR("'%s' failed.\n", #cond);\
+               goto val;\
+       } \
+}
+
+#endif /* __TDM_BACKEND_LOG_H__ */
\ No newline at end of file
diff --git a/src/libhal-backend-tdm-fbdev/tdm_fbdev_display.c b/src/libhal-backend-tdm-fbdev/tdm_fbdev_display.c
new file mode 100644 (file)
index 0000000..58393cb
--- /dev/null
@@ -0,0 +1,894 @@
+/**************************************************************************
+
+libtdm_fbdev
+
+Copyright 2016 Samsung Electronics co., Ltd. All Rights Reserved.
+
+Contact: SooChan Lim <sc1.lim@samsung.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sub license, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice (including the
+next paragraph) shall be included in all copies or substantial portions
+of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
+ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+**************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdint.h>
+#include "tdm_backend_fbdev.h"
+
+#include <xf86drm.h>
+#include <libudev.h>
+
+/*
+ * Framebuffer device supported formats
+ */
+static tbm_format supported_formats[] = {
+       /*
+        * TODO: add support of 16 bit formats
+        */
+       TBM_FORMAT_ARGB8888,
+       TBM_FORMAT_ABGR8888,
+       TBM_FORMAT_RGBA8888,
+       TBM_FORMAT_BGRA8888,
+};
+
+static tdm_fbdev_display_buffer *
+_tdm_fbdev_display_find_buffer(tdm_fbdev_display *display_data, tbm_surface_h buffer)
+{
+       tdm_fbdev_display_buffer *display_buffer = NULL;
+
+       LIST_FOR_EACH_ENTRY(display_buffer, &display_data->buffer_list, link)
+       {
+               if (display_buffer->buffer == buffer)
+                       return display_buffer;
+       }
+
+       return NULL;
+}
+
+static void
+_tdm_fbdev_display_cb_destroy_buffer(tbm_surface_h buffer, void *user_data)
+{
+       tdm_fbdev_display *display_data;
+       tdm_fbdev_display_buffer *display_buffer;
+
+       if (!user_data) {
+               TDM_BACKEND_ERR("no user_data");
+               return;
+       }
+       if (!buffer) {
+               TDM_BACKEND_ERR("no buffer");
+               return;
+       }
+
+       display_data = (tdm_fbdev_display *)user_data;
+
+       display_buffer = _tdm_fbdev_display_find_buffer(display_data, buffer);
+       if (!display_buffer) {
+               TDM_BACKEND_ERR("no display_buffer");
+               return;
+       }
+
+       LIST_DEL(&display_buffer->link);
+
+       free(display_buffer);
+}
+
+
+static inline uint32_t
+_get_refresh(struct fb_var_screeninfo *timing)
+{
+       uint32_t pixclock, hfreq, htotal, vtotal;
+
+       pixclock = PICOS2KHZ(timing->pixclock) * 1000;
+
+       htotal = timing->xres + timing->right_margin + timing->hsync_len + timing->left_margin;
+       vtotal = timing->yres + timing->lower_margin + timing->vsync_len + timing->upper_margin;
+
+       if (timing->vmode & FB_VMODE_INTERLACED)
+               vtotal /= 2;
+       if (timing->vmode & FB_VMODE_DOUBLE)
+               vtotal *= 2;
+
+       hfreq = pixclock / htotal;
+       return hfreq / vtotal;
+}
+
+/*
+ * Convert fb_var_screeninfo to hal_tdm_output_mode
+ */
+static inline void
+_tdm_fbdev_display_to_tdm_mode(struct fb_var_screeninfo *timing, hal_tdm_output_mode *mode)
+{
+
+       if (!timing->pixclock)
+               return;
+
+       mode->clock = timing->pixclock / 1000;
+       mode->vrefresh = _get_refresh(timing);
+       mode->hdisplay = timing->xres;
+       mode->hsync_start = mode->hdisplay + timing->right_margin;
+       mode->hsync_end = mode->hsync_start + timing->hsync_len;
+       mode->htotal = mode->hsync_end + timing->left_margin;
+
+       mode->vdisplay = timing->yres;
+       mode->vsync_start = mode->vdisplay + timing->lower_margin;
+       mode->vsync_end = mode->vsync_start + timing->vsync_len;
+       mode->vtotal = mode->vsync_end + timing->upper_margin;
+
+       int interlaced = !!(timing->vmode & FB_VMODE_INTERLACED);
+       snprintf(mode->name, HAL_TDM_NAME_LEN, "%dx%d%s", mode->hdisplay, mode->vdisplay, interlaced ? "i" : "");
+}
+
+void
+tdm_fbdev_display_destroy_buffer_list(tdm_fbdev_display *display_data)
+{
+       tdm_fbdev_display_buffer *b = NULL, *bb = NULL;
+
+       LIST_FOR_EACH_ENTRY_SAFE(b, bb, &display_data->buffer_list, link) {
+               tbm_surface_internal_remove_destroy_handler(b->buffer, _tdm_fbdev_display_cb_destroy_buffer, display_data);
+               _tdm_fbdev_display_cb_destroy_buffer(b->buffer, display_data);
+       }
+}
+
+hal_tdm_error
+tdm_fbdev_create_output(tdm_fbdev_display *display_data)
+{
+       tdm_fbdev_output *output = NULL;
+       size_t size;
+       int i = 0;
+
+       output = calloc(1, sizeof(tdm_fbdev_output));
+       if (output == NULL) {
+               TDM_BACKEND_ERR("alloc output failed");
+               return HAL_TDM_ERROR_OUT_OF_MEMORY;
+       }
+
+       /*
+        * TODO: Size of framebuffer must be aligned to system page size before
+        *  it is mapped
+        */
+       size = display_data->vinfo->xres * display_data->vinfo->yres * display_data->vinfo->bits_per_pixel / 8 * MAX_BUF;
+
+       TDM_BACKEND_INFO("\n" "MMaped size: %zu\n", size);
+
+       output->mem = mmap(0, size, PROT_READ | PROT_WRITE, MAP_SHARED, display_data->fbdev_fd, 0);
+       if (output->mem == MAP_FAILED) {
+               TDM_BACKEND_ERR("MMap framebuffer failed, errno=%d", errno);
+               return HAL_TDM_ERROR_OPERATION_FAILED;
+       }
+
+       memset(output->mem, 0, size);
+
+       output->width = display_data->vinfo->xres;
+       output->height = display_data->vinfo->yres;
+       output->pitch = display_data->vinfo->width;
+       output->bpp = display_data->vinfo->bits_per_pixel;
+       output->size = size;
+       output->max_width = display_data->vinfo->xres_virtual;
+       output->max_height = display_data->vinfo->yres_virtual;
+
+       output->status = HAL_TDM_OUTPUT_CONN_STATUS_CONNECTED;
+       output->connector_type = HAL_TDM_OUTPUT_TYPE_LVDS;
+
+       output->is_vblank = DOWN;
+       output->is_commit = DOWN;
+       output->sequence = 1;
+
+       /*
+        * TODO: connector_type_id field relates to libdrm connector which framebuffer
+        *  does not know. It have to be checked whether softaware above us use this
+        *  field for its purposes.
+        */
+       output->connector_type_id = 1;
+
+       output->count_modes = 1;
+       output->output_modes = calloc(output->count_modes, sizeof(hal_tdm_output_mode));
+       if (!output->output_modes) {
+               TDM_BACKEND_ERR("failed: alloc memory");
+               return HAL_TDM_ERROR_OUT_OF_MEMORY;
+       }
+
+       for (i = 0; i < output->count_modes; i++) {
+               _tdm_fbdev_display_to_tdm_mode(display_data->vinfo, &output->output_modes[i]);
+
+               sprintf(output->output_modes[i].name, "%dx%d", display_data->vinfo->xres, display_data->vinfo->yres);
+       }
+
+       /*
+        * We currently support only one mode
+        */
+       if (output->count_modes == 1) {
+               output->current_mode = &output->output_modes[0];
+               output->status = HAL_TDM_OUTPUT_CONN_STATUS_MODE_SETTED;
+       }
+
+       output->display_data = display_data;
+       display_data->output_data = output;
+
+       return HAL_TDM_ERROR_NONE;
+}
+
+void
+tdm_fbdev_destroy_output(tdm_fbdev_display *display_data)
+{
+       tdm_fbdev_output *fbdev_output = display_data->output_data;
+
+       if (fbdev_output == NULL)
+               goto close;
+
+       if (fbdev_output->mem == NULL)
+               goto close_2;
+
+       munmap(fbdev_output->mem, fbdev_output->size);
+
+       if (fbdev_output->output_modes == NULL)
+               goto close_2;
+
+       free(fbdev_output->output_modes);
+
+close_2:
+       free(fbdev_output);
+close:
+       return;
+}
+
+hal_tdm_error
+tdm_fbdev_create_layer(tdm_fbdev_display *display_data)
+{
+       tdm_fbdev_layer *layer;
+       tdm_fbdev_output *fbdev_output = display_data->output_data;
+
+       /*
+        * Framebuffer does not support layer, therefore create only
+        *  one layer by libtdm's demand;
+        */
+       layer = calloc(1, sizeof(tdm_fbdev_layer));
+       if (layer == NULL) {
+               TDM_BACKEND_ERR("alloc output failed");
+               return HAL_TDM_ERROR_OUT_OF_MEMORY;
+       }
+
+       layer->capabilities = TDM_FBDEV_LAYER_CAPABILITY_PRIMARY | TDM_FBDEV_LAYER_CAPABILITY_GRAPHIC;
+
+       layer->display_data = display_data;
+       layer->output_data = fbdev_output;
+       fbdev_output->layer_data = layer;
+
+       return HAL_TDM_ERROR_NONE;
+}
+
+void
+tdm_fbdev_destroy_layer(tdm_fbdev_display *display_data)
+{
+       tdm_fbdev_output *fbdev_output = display_data->output_data;
+       tdm_fbdev_layer *layer;
+
+       if (fbdev_output == NULL)
+               return;
+
+       layer = fbdev_output->layer_data;
+       if (layer != NULL)
+               free(layer);
+}
+
+hal_tdm_error
+fbdev_display_get_capability(hal_tdm_display *display, hal_tdm_caps_display *caps)
+{
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(caps, HAL_TDM_ERROR_INVALID_PARAMETER);
+
+       /*
+        * Framebuffer does not support layer, therefore create only
+        *  one layer by libtdm's demand;
+        */
+       caps->max_layer_count = 1;
+
+       return HAL_TDM_ERROR_NONE;
+}
+
+hal_tdm_output **
+fbdev_display_get_outputs(hal_tdm_display *display, int *count, hal_tdm_error *error)
+{
+       tdm_fbdev_display *display_data = (tdm_fbdev_display *)display;
+       tdm_fbdev_output *fbdev_output = display_data->output_data;
+       hal_tdm_output **outputs;
+       hal_tdm_error ret;
+
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(display_data, NULL);
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(count, NULL);
+
+       if (fbdev_output == NULL) {
+               ret = HAL_TDM_ERROR_NONE;
+               goto failed_get;
+       }
+
+       /*
+        * Since it is Framebuffer device there is only one output
+        */
+       *count = 1;
+
+       /* will be freed in frontend */
+       outputs = calloc(*count, sizeof(tdm_fbdev_output*));
+       if (!outputs) {
+               TDM_BACKEND_ERR("failed: alloc memory");
+               *count = 0;
+               ret = HAL_TDM_ERROR_OUT_OF_MEMORY;
+               goto failed_get;
+       }
+
+       outputs[0] = fbdev_output;
+
+       if (error)
+               *error = HAL_TDM_ERROR_NONE;
+
+       return outputs;
+
+failed_get:
+
+       if (error)
+               *error = ret;
+       return NULL;
+}
+
+hal_tdm_error
+fbdev_display_handle_events(hal_tdm_display *display)
+{
+       tdm_fbdev_display *display_data = (tdm_fbdev_display *)display;
+       void *user_data;
+       tdm_fbdev_output *fbdev_output;
+       unsigned int sequence = 0;
+       unsigned int tv_sec = 0;
+       unsigned int tv_usec = 0;
+
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(display_data, HAL_TDM_ERROR_INVALID_PARAMETER);
+
+       fbdev_output = display_data->output_data;
+       user_data = fbdev_output->user_data;
+
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(user_data, HAL_TDM_ERROR_INVALID_PARAMETER);
+
+       /*
+        (hal_tdm_output *output, unsigned int sequence,
+        unsigned int tv_sec, unsigned int tv_usec,
+        void *user_data);
+        */
+
+       /*
+        * Framebuffer does not produce events
+        * Fake flags are used to simulate event-operated back end. Since tdm
+        *  library assumes its back ends to be event-operated and Framebuffer
+        *  device is not event-operated we have to make fake events
+        */
+       if (fbdev_output->is_vblank && fbdev_output->vblank_func) {
+               fbdev_output->is_vblank = DOWN;
+
+               fbdev_output->vblank_func((hal_tdm_output *)display_data, sequence, tv_sec, tv_usec, user_data);
+       }
+
+       if (fbdev_output->is_commit && fbdev_output->commit_func) {
+               fbdev_output->is_commit = DOWN;
+
+               fbdev_output->commit_func((hal_tdm_output *)display_data, sequence, tv_sec, tv_usec, user_data);
+       }
+
+       return HAL_TDM_ERROR_NONE;
+}
+
+hal_tdm_error
+fbdev_output_get_capability(hal_tdm_output *output, hal_tdm_caps_output *caps)
+{
+       tdm_fbdev_output *fbdev_output = (tdm_fbdev_output *)output;
+       tdm_fbdev_display *display_data = NULL;
+       hal_tdm_error ret;
+       int i = 0;
+
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(fbdev_output, HAL_TDM_ERROR_INVALID_PARAMETER);
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(caps, HAL_TDM_ERROR_INVALID_PARAMETER);
+
+       memset(caps, 0, sizeof(hal_tdm_caps_output));
+
+       display_data = fbdev_output->display_data;
+
+       snprintf(caps->maker, HAL_TDM_NAME_LEN, "unknown");
+       snprintf(caps->model, HAL_TDM_NAME_LEN, "unknown");
+       snprintf(caps->name, HAL_TDM_NAME_LEN, "unknown");
+
+       caps->status = fbdev_output->status;
+       caps->type = fbdev_output->connector_type;
+       caps->type_id = fbdev_output->connector_type_id;
+
+       caps->mode_count = fbdev_output->count_modes;
+       caps->modes = calloc(caps->mode_count, sizeof(hal_tdm_output_mode));
+       if (!caps->modes) {
+               ret = HAL_TDM_ERROR_OUT_OF_MEMORY;
+               TDM_BACKEND_ERR("alloc failed\n");
+               goto failed_get;
+       }
+
+       for (i = 0; i < caps->mode_count; i++)
+               caps->modes[i] = fbdev_output->output_modes[i];
+
+       caps->mmWidth = display_data->vinfo->width;
+       caps->mmHeight = display_data->vinfo->height;
+       caps->subpixel = -1;
+
+       caps->min_w = fbdev_output->width;
+       caps->min_h = fbdev_output->height;
+       caps->max_w = fbdev_output->max_width;
+       caps->max_h = fbdev_output->max_height;
+       caps->preferred_align = -1;
+
+       /*
+        * Framebuffer does not have output properties
+        */
+       caps->prop_count = 0;
+       caps->props = NULL;
+
+       caps->capabilities |= HAL_TDM_OUTPUT_CAPABILITY_HWC;
+
+       return HAL_TDM_ERROR_NONE;
+
+failed_get:
+       memset(caps, 0, sizeof(hal_tdm_caps_output));
+       return ret;
+}
+
+hal_tdm_error
+fbdev_output_set_property(hal_tdm_output *output, unsigned int id, hal_tdm_value value)
+{
+       /*
+        * Framebuffer does not have output properties
+        */
+       return HAL_TDM_ERROR_NONE;
+}
+
+hal_tdm_error
+fbdev_output_get_property(hal_tdm_output *output, unsigned int id, hal_tdm_value *value)
+{
+       /*
+        * Framebuffer does not have output properties
+        */
+       return HAL_TDM_ERROR_NONE;
+}
+
+hal_tdm_error
+fbdev_output_wait_vblank(hal_tdm_output *output, int interval, int sync, void *user_data)
+{
+       tdm_fbdev_output *fbdev_output = (tdm_fbdev_output *)output;
+       tdm_fbdev_display *display_data;
+
+       int crtc = 0;
+       int ret;
+
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(fbdev_output, HAL_TDM_ERROR_INVALID_PARAMETER);
+
+       /*
+        * Frame buffer device does not support asynchronous events, that is
+        *  why clients must get responsibility on handling asynchronous
+        *  events.
+        */
+       if (!sync) {
+               TDM_BACKEND_WRN("Framebuffer back end does not support asynchronous vblank");
+               return HAL_TDM_ERROR_NONE;
+       }
+
+       display_data = fbdev_output->display_data;
+
+       ret = ioctl(display_data->fbdev_fd, FBIO_WAITFORVSYNC, &crtc);
+       if (ret < 0) {
+               TDM_BACKEND_ERR("FBIO_WAITFORVSYNC ioctl failed, errno=%d", errno);
+               return HAL_TDM_ERROR_OPERATION_FAILED;
+       }
+
+       /*
+        * Up fake flag to simulate vsync event
+        */
+       fbdev_output->is_vblank = UP;
+       fbdev_output->user_data = user_data;
+
+       return HAL_TDM_ERROR_NONE;
+}
+
+hal_tdm_error
+fbdev_output_set_vblank_handler(hal_tdm_output *output, hal_tdm_output_vblank_handler func)
+{
+       tdm_fbdev_output *fbdev_output = (tdm_fbdev_output *)output;
+
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(fbdev_output, HAL_TDM_ERROR_INVALID_PARAMETER);
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(func, HAL_TDM_ERROR_INVALID_PARAMETER);
+
+       fbdev_output->vblank_func = func;
+
+       return HAL_TDM_ERROR_NONE;
+}
+
+hal_tdm_error
+fbdev_output_commit(hal_tdm_output *output, int sync, void *user_data)
+{
+       tdm_fbdev_output *fbdev_output = (tdm_fbdev_output *)output;
+       tdm_fbdev_layer *fbdev_layer;
+       tdm_fbdev_display_buffer *display_buffer;
+       tbm_bo bo;
+       tbm_bo_handle bo_handle;
+
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(fbdev_output, HAL_TDM_ERROR_INVALID_PARAMETER);
+
+       fbdev_layer = fbdev_output->layer_data;
+
+       if (!fbdev_layer->display_buffer_changed)
+               return HAL_TDM_ERROR_NONE;
+
+       fbdev_output->mode_changed = 0;
+       fbdev_layer->display_buffer_changed = 0;
+       fbdev_layer->info_changed = 0;
+
+       display_buffer = fbdev_layer->display_buffer;
+
+       bo = tbm_surface_internal_get_bo(display_buffer->buffer, 0);
+       if (!bo) {
+               TDM_BACKEND_ERR("get bo fail");
+               return HAL_TDM_ERROR_OPERATION_FAILED;
+       }
+
+       bo_handle = tbm_bo_map(bo, TBM_DEVICE_CPU, TBM_OPTION_READ);
+       if (!bo_handle.ptr) {
+               TDM_BACKEND_ERR("map bo fail");
+               return HAL_TDM_ERROR_OPERATION_FAILED;
+       }
+
+       /*
+        * Display buffer's content to screen
+        */
+       memcpy(fbdev_output->mem, bo_handle.ptr, tbm_bo_size(bo) * sizeof(char));
+
+       tbm_bo_unmap(bo);
+
+       if (fbdev_output->commit_func) {
+               TDM_BACKEND_ERR("trace");
+               fbdev_output->commit_func((hal_tdm_output *)output, fbdev_output->sequence++, 0, 0, user_data);
+       }
+
+       return HAL_TDM_ERROR_NONE;
+}
+
+hal_tdm_error
+fbdev_output_set_commit_handler(hal_tdm_output *output, hal_tdm_output_commit_handler func)
+{
+       tdm_fbdev_output *fbdev_output = (tdm_fbdev_output *)output;
+
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(fbdev_output, HAL_TDM_ERROR_INVALID_PARAMETER);
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(func, HAL_TDM_ERROR_INVALID_PARAMETER);
+
+       fbdev_output->commit_func = func;
+
+       return HAL_TDM_ERROR_NONE;
+}
+
+hal_tdm_error
+fbdev_output_set_dpms(hal_tdm_output *output, hal_tdm_output_dpms dpms_value)
+{
+       tdm_fbdev_output *fbdev_output = (tdm_fbdev_output *)output;
+       tdm_fbdev_display *display_data;
+       int fbmode = 0;
+       int ret;
+
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(fbdev_output, HAL_TDM_ERROR_INVALID_PARAMETER);
+
+       /*
+        * Bypass context switching overhead
+        */
+       if (fbdev_output->dpms_value == dpms_value)
+               return HAL_TDM_ERROR_NONE;
+
+       display_data = fbdev_output->display_data;
+
+       switch (dpms_value) {
+       case HAL_TDM_OUTPUT_DPMS_ON:
+               fbmode = FB_BLANK_UNBLANK;
+               break;
+
+       case HAL_TDM_OUTPUT_DPMS_OFF:
+               fbmode = FB_BLANK_POWERDOWN;
+               break;
+
+       case HAL_TDM_OUTPUT_DPMS_STANDBY:
+               fbmode = FB_BLANK_VSYNC_SUSPEND;
+               break;
+
+       case HAL_TDM_OUTPUT_DPMS_SUSPEND:
+               fbmode = FB_BLANK_HSYNC_SUSPEND;
+               break;
+
+       default:
+               TDM_BACKEND_ERR("NEVER GET HERE");
+               break;
+       }
+
+       ret = ioctl(display_data->fbdev_fd, FBIOBLANK, &fbmode);
+       if (ret < 0) {
+               TDM_BACKEND_ERR("FBIOBLANK ioctl failed, errno=%d", errno);
+               return HAL_TDM_ERROR_OPERATION_FAILED;
+       }
+
+       /*
+        * TODO: framebuffer have to be reinitialized again, Maybe
+        */
+
+       fbdev_output->dpms_value = dpms_value;
+       fbmode = 0;
+
+       return HAL_TDM_ERROR_NONE;
+}
+
+hal_tdm_error
+fbdev_output_get_dpms(hal_tdm_output *output, hal_tdm_output_dpms *dpms_value)
+{
+       tdm_fbdev_output *fbdev_output = (tdm_fbdev_output *)output;
+
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(fbdev_output, HAL_TDM_ERROR_INVALID_PARAMETER);
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(dpms_value, HAL_TDM_ERROR_INVALID_PARAMETER);
+
+       *dpms_value = fbdev_output->dpms_value;
+
+       return HAL_TDM_ERROR_NONE;
+}
+
+hal_tdm_error
+fbdev_output_set_mode(hal_tdm_output *output, const hal_tdm_output_mode *mode)
+{
+       tdm_fbdev_output *fbdev_output = (tdm_fbdev_output *)output;
+
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(fbdev_output, HAL_TDM_ERROR_INVALID_PARAMETER);
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(mode, HAL_TDM_ERROR_INVALID_PARAMETER);
+
+       /*
+        * We currently support only one mode
+        */
+       if (fbdev_output->count_modes == 1)
+               return HAL_TDM_ERROR_NONE;
+
+       /*
+        * TODO: Implement mode switching
+        */
+       fbdev_output->mode_changed = 0;
+
+       return HAL_TDM_ERROR_NONE;
+}
+
+hal_tdm_error
+fbdev_output_get_mode(hal_tdm_output *output, const hal_tdm_output_mode **mode)
+{
+       tdm_fbdev_output *fbdev_output = (tdm_fbdev_output *)output;
+
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(fbdev_output, HAL_TDM_ERROR_INVALID_PARAMETER);
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(mode, HAL_TDM_ERROR_INVALID_PARAMETER);
+
+       *mode = fbdev_output->current_mode;
+
+       return HAL_TDM_ERROR_NONE;
+}
+
+hal_tdm_hwc *
+fbdev_output_get_hwc(hal_tdm_output *output, hal_tdm_error *error)
+{
+       tdm_fbdev_hwc *hwc_data = NULL;
+       tdm_fbdev_output *output_data = output;
+       hal_tdm_error ret = HAL_TDM_ERROR_NONE;
+
+       if (!output_data) {
+               TDM_BACKEND_ERR("invalid params");
+               if (error)
+                       *error = HAL_TDM_ERROR_INVALID_PARAMETER;
+               return NULL;
+       }
+
+       if (output_data->hwc_data) {
+               TDM_BACKEND_INFO("hwc_data already exists");
+               if (error)
+                       *error = HAL_TDM_ERROR_NONE;
+               return output_data->hwc_data;
+       }
+
+       hwc_data = calloc(1, sizeof(tdm_fbdev_hwc));
+       if (!hwc_data) {
+               TDM_BACKEND_ERR("alloc failed");
+               if (error)
+                       *error = HAL_TDM_ERROR_OUT_OF_MEMORY;
+               return NULL;
+       }
+       hwc_data->output_data = output_data;
+
+       LIST_INITHEAD(&hwc_data->hwc_window_list);
+
+       output_data->hwc_data = hwc_data;
+
+       ret = fbdev_hwc_initailize_target_window(output_data->hwc_data);
+       if (ret != HAL_TDM_ERROR_NONE) {
+               TDM_BACKEND_ERR("create target hwc window failed (%d)", ret);
+               free(hwc_data);
+               if (error)
+                       *error = ret;
+               return NULL;
+       }
+
+       if (error)
+               *error = HAL_TDM_ERROR_NONE;
+
+       return hwc_data;
+}
+
+tdm_fbdev_layer *
+fbdev_output_data_get_layer_data(tdm_fbdev_output *output_data, int layer_zpos)
+{
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(output_data, NULL);
+
+       if (layer_zpos == 0)
+               return output_data->layer_data;
+
+       return NULL;
+}
+
+hal_tdm_error
+fbdev_layer_get_capability(tdm_fbdev_layer *layer_data, tdm_fbdev_caps_layer *caps)
+{
+       hal_tdm_error ret;
+       int i;
+
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(layer_data, HAL_TDM_ERROR_INVALID_PARAMETER);
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(caps, HAL_TDM_ERROR_INVALID_PARAMETER);
+
+       memset(caps, 0, sizeof(tdm_fbdev_caps_layer));
+
+       caps->capabilities = layer_data->capabilities;
+
+       /*
+        * Make our single GRAPHIC layer the lowest one aka "Prime"
+        */
+       caps->zpos = 0;
+
+       caps->format_count = sizeof(supported_formats) / sizeof(supported_formats[0]);
+       caps->formats = calloc(caps->format_count, sizeof(tbm_format));
+       if (!caps->formats) {
+               ret = HAL_TDM_ERROR_OUT_OF_MEMORY;
+               TDM_BACKEND_ERR("alloc failed\n");
+               goto failed_get;
+       }
+
+       for (i = 0; i < caps->format_count; i++)
+               caps->formats[i] = supported_formats[i];
+
+       /*
+        * Framebuffer does not have layer properties
+        */
+       caps->prop_count = 0;
+       caps->props = NULL;
+
+       return HAL_TDM_ERROR_NONE;
+
+failed_get:
+
+       memset(caps, 0, sizeof(tdm_fbdev_caps_layer));
+       return ret;
+}
+
+hal_tdm_error
+fbdev_layer_set_property(tdm_fbdev_layer *layer_data, unsigned int id, hal_tdm_value value)
+{
+       /*
+        * Framebuffer does not have layer properties
+        */
+       return HAL_TDM_ERROR_NONE;
+}
+
+hal_tdm_error
+fbdev_layer_get_property(tdm_fbdev_layer *layer_data, unsigned int id, hal_tdm_value *value)
+{
+       /*
+        * Framebuffer does not have layer properties
+        */
+       return HAL_TDM_ERROR_NONE;
+}
+
+hal_tdm_error
+fbdev_layer_set_info(tdm_fbdev_layer *layer_data, tdm_fbdev_layer_info *info)
+{
+
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(layer_data, HAL_TDM_ERROR_INVALID_PARAMETER);
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(info, HAL_TDM_ERROR_INVALID_PARAMETER);
+
+       layer_data->info = *info;
+
+       /*
+        * We do not use info in this backend, therefore just ignore
+        *  info's changing
+        */
+       layer_data->info_changed = 0;
+
+       return HAL_TDM_ERROR_NONE;
+}
+
+hal_tdm_error
+fbdev_layer_get_info(tdm_fbdev_layer *layer_data, tdm_fbdev_layer_info *info)
+{
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(layer_data, HAL_TDM_ERROR_INVALID_PARAMETER);
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(info, HAL_TDM_ERROR_INVALID_PARAMETER);
+
+       *info = layer_data->info;
+
+       return HAL_TDM_ERROR_NONE;
+}
+
+hal_tdm_error
+fbdev_layer_set_buffer(tdm_fbdev_layer *layer_data, tbm_surface_h buffer)
+{
+       tdm_fbdev_display_buffer *display_buffer;
+       tdm_fbdev_display *display_data;
+       hal_tdm_error err = HAL_TDM_ERROR_NONE;
+
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(layer_data, HAL_TDM_ERROR_INVALID_PARAMETER);
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(buffer, HAL_TDM_ERROR_INVALID_PARAMETER);
+
+       if (tbm_surface_internal_get_num_bos(buffer) > 1) {
+               TDM_BACKEND_ERR("Framebuffer backend does not support surfaces with more than one bos");
+               return HAL_TDM_ERROR_INVALID_PARAMETER;
+       }
+
+       display_data = layer_data->display_data;
+
+       display_buffer = _tdm_fbdev_display_find_buffer(display_data, buffer);
+       if (!display_buffer) {
+               display_buffer = calloc(1, sizeof(tdm_fbdev_display_buffer));
+               if (display_buffer == NULL) {
+                       TDM_BACKEND_ERR("alloc failed");
+                       return HAL_TDM_ERROR_OUT_OF_MEMORY;
+               }
+
+               display_buffer->buffer = buffer;
+               display_buffer->width = tbm_surface_get_width(buffer);
+               display_buffer->height = tbm_surface_get_height(buffer);
+
+               err = tbm_surface_internal_add_destroy_handler(buffer, _tdm_fbdev_display_cb_destroy_buffer, display_data);
+               if (err != HAL_TDM_ERROR_NONE) {
+                       TDM_BACKEND_ERR("add destroy handler fail");
+                       free(display_buffer);
+                       return HAL_TDM_ERROR_OPERATION_FAILED;
+               }
+
+               LIST_ADDTAIL(&display_buffer->link, &display_data->buffer_list);
+       }
+
+       layer_data->display_buffer = display_buffer;
+       layer_data->display_buffer_changed = 1;
+
+       return HAL_TDM_ERROR_NONE;
+}
+
+hal_tdm_error
+fbdev_layer_unset_buffer(tdm_fbdev_layer *layer_data)
+{
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(layer_data, HAL_TDM_ERROR_INVALID_PARAMETER);
+
+       layer_data->display_buffer = NULL;
+       layer_data->display_buffer_changed = 1;
+
+       return HAL_TDM_ERROR_NONE;
+}
diff --git a/src/libhal-backend-tdm-fbdev/tdm_fbdev_format.h b/src/libhal-backend-tdm-fbdev/tdm_fbdev_format.h
new file mode 100644 (file)
index 0000000..4b2d849
--- /dev/null
@@ -0,0 +1,69 @@
+/**************************************************************************
+
+libtdm_fbdev
+
+Copyright 2016 Samsung Electronics co., Ltd. All Rights Reserved.
+
+Contact: SooChan Lim <sc1.lim@samsung.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sub license, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice (including the
+next paragraph) shall be included in all copies or substantial portions
+of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
+ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+**************************************************************************/
+
+#ifndef _TDM_FBDEV_FORMAT_H_
+#define _TDM_FBDEV_FORMAT_H_
+
+#include <tbm_surface.h>
+
+#define C(b, m)                          (((b) >> (m)) & 0xFF)
+#define B(c, s)                          ((((unsigned int)(c)) & 0xff) << (s))
+#define FOURCC(a, b, c, d)      (B(d, 24) | B(c, 16) | B(b, 8) | B(a, 0))
+#define FOURCC_STR(id)   C(id, 0), C(id, 8), C(id, 16), C(id, 24)
+
+#define IS_RGB(format)         (format == TBM_FORMAT_XRGB8888 || format == TBM_FORMAT_ARGB8888 || \
+                                                        format == TBM_FORMAT_XBGR8888 || format == TBM_FORMAT_ABGR8888)
+
+#define CLEAR(x) memset(&(x), 0, sizeof(x))
+#define MAX(a, b) (((a) > (b)) ? (a) : (b))
+#define MIN(a, b) (((a) < (b)) ? (a) : (b))
+#define SWAP(a, b)  ({int t; t = a; a = b; b = t; })
+#define ROUNDUP(x)  (ceil(floor((float)(height) / 4)))
+
+#define ALIGN_TO_16B(x)        ((((x) + (1 <<  4) - 1) >>  4) <<  4)
+#define ALIGN_TO_32B(x)        ((((x) + (1 <<  5) - 1) >>  5) <<  5)
+#define ALIGN_TO_128B(x)   ((((x) + (1 <<  7) - 1) >>  7) <<  7)
+#define ALIGN_TO_2KB(x)        ((((x) + (1 << 11) - 1) >> 11) << 11)
+#define ALIGN_TO_8KB(x)        ((((x) + (1 << 13) - 1) >> 13) << 13)
+#define ALIGN_TO_64KB(x)   ((((x) + (1 << 16) - 1) >> 16) << 16)
+
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
+
+#define CURSOR_MIN_W 192
+#define CURSOR_MIN_H 192
+#define CURSOR_MAX_W 192
+#define CURSOR_MAX_H 192
+
+enum {
+       DOWN = 0,
+       UP,
+};
+
+#endif /* _TDM_FBDEV_FORMAT_H_ */
diff --git a/src/libhal-backend-tdm-fbdev/tdm_fbdev_hwc.c b/src/libhal-backend-tdm-fbdev/tdm_fbdev_hwc.c
new file mode 100644 (file)
index 0000000..2f26722
--- /dev/null
@@ -0,0 +1,803 @@
+/**************************************************************************
+
+libtdm_fbdev
+
+Copyright 2021 Samsung Electronics co., Ltd. All Rights Reserved.
+
+Contact: SooChan Lim <sc1.lim@samsung.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sub license, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice (including the
+next paragraph) shall be included in all copies or substantial portions
+of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
+ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+**************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "tdm_backend_fbdev.h"
+
+#define MIN_WIDTH      32
+
+#define NUM_LAYERS     1
+#define NUM_BUFFERS    3
+
+#define NUM_UI_LAYERS  1
+
+#define ZPOS_MAX       1
+#define ZPOS_CURSOR    2
+#define ZPOS_1         1
+#define ZPOS_0         0
+#define ZPOS_VIDEO1    0
+#define ZPOS_NONE      -999
+
+tbm_format hwc_window_video_formats[] = {
+       TBM_FORMAT_NV12,
+       TBM_FORMAT_YUV420
+};
+
+const char *
+_comp_to_str(hal_tdm_hwc_window_composition composition_type)
+{
+       if (composition_type == HAL_TDM_HWC_WIN_COMPOSITION_CLIENT)
+               return "CLIENT";
+       else if (composition_type == HAL_TDM_HWC_WIN_COMPOSITION_DEVICE)
+               return "DEVICE";
+       else if (composition_type == HAL_TDM_HWC_WIN_COMPOSITION_CURSOR)
+               return "CURSOR";
+       else if (composition_type == HAL_TDM_HWC_WIN_COMPOSITION_VIDEO)
+               return "VIDEO";
+       else if (composition_type == HAL_TDM_HWC_WIN_COMPOSITION_NONE)
+               return "SKIP";
+
+       return "unknown";
+}
+
+static int
+_fbdev_hwc_cursor_buffer_unset(tdm_fbdev_hwc_window *hwc_window_data)
+{
+       hwc_window_data->surface = NULL;
+       hwc_window_data->cursor_img_surface = 0;
+
+       hwc_window_data->info.src_config.pos.w = hwc_window_data->cursor_img.width;
+       hwc_window_data->info.src_config.pos.h = hwc_window_data->cursor_img.height;
+       hwc_window_data->info.dst_pos.w = hwc_window_data->cursor_img.width;
+       hwc_window_data->info.dst_pos.h = hwc_window_data->cursor_img.height;
+
+       return 1;
+}
+
+static void
+_fbdev_hwc_cursor_adjust_pos(tdm_fbdev_hwc_window *hwc_window_data)
+{
+       int x, y;
+
+       /* dst pos of cursor is possible set by negative value
+        * this is temporary code.
+        */
+
+       x = hwc_window_data->info.dst_pos.x;
+       y = hwc_window_data->info.dst_pos.y;
+
+       if (x < 0) hwc_window_data->info.dst_pos.x = 0;
+       if (y < 0) hwc_window_data->info.dst_pos.y = 0;
+}
+
+static int
+_fbdev_hwc_cursor_buffer_set(tdm_fbdev_hwc *hwc_data, tdm_fbdev_hwc_window *hwc_window_data)
+{
+       tbm_surface_h cursor_tsurface = NULL;
+       tbm_surface_info_s tsurface_info;
+       tbm_surface_error_e ret = TBM_SURFACE_ERROR_NONE;
+       int img_w, img_h, new_w, new_h;
+       tbm_format new_format;
+       unsigned int flags = TBM_BO_SCANOUT;
+       void *src_ptr = NULL, *dst_ptr = NULL;
+       int src_stride;
+       int i;
+
+       _fbdev_hwc_cursor_adjust_pos(hwc_window_data);
+
+       if (!hwc_window_data->cursor_img_refresh && hwc_window_data->surface)
+               return 1;
+
+       img_w = hwc_window_data->cursor_img.width;
+       img_h = hwc_window_data->cursor_img.height;
+       new_format = hwc_window_data->info.src_config.format;
+
+       /* cursor restriction to set the cursor layer */
+       new_w = (CURSOR_MIN_W > img_w) ? CURSOR_MIN_W : img_w;
+       new_h = (CURSOR_MIN_H > img_h) ? CURSOR_MIN_H : img_h;
+
+       if (hwc_data->cursor_tsurface) {
+               tbm_surface_internal_unref(hwc_data->cursor_tsurface);
+               hwc_data->cursor_tsurface = NULL;
+       }
+
+       cursor_tsurface = tbm_surface_internal_create_with_flags(new_w, new_h, new_format, flags);
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(cursor_tsurface, 0);
+
+       hwc_data->cursor_tsurface = cursor_tsurface;
+       ret = tbm_surface_map(hwc_data->cursor_tsurface, TBM_SURF_OPTION_WRITE, &tsurface_info);
+       if (ret != TBM_SURFACE_ERROR_NONE) {
+               TDM_BACKEND_ERR("Failed to map tsurface\n");
+               tbm_surface_internal_unref(hwc_data->cursor_tsurface);
+               hwc_data->cursor_tsurface = NULL;
+               return 0;
+       }
+
+       src_ptr = hwc_window_data->cursor_img.ptr;
+       dst_ptr = tsurface_info.planes[0].ptr;
+       src_stride = hwc_window_data->cursor_img.stride;
+
+       memset(dst_ptr, 0, tsurface_info.planes[0].stride * tsurface_info.height);
+
+       for (i = 0 ; i < img_h ; i++) {
+               memcpy(dst_ptr, src_ptr, src_stride);
+               dst_ptr += tsurface_info.planes[0].stride;
+               src_ptr += src_stride;
+       }
+
+       tbm_surface_unmap(hwc_data->cursor_tsurface);
+
+       hwc_window_data->surface = hwc_data->cursor_tsurface;
+       hwc_window_data->cursor_img_surface = 1;
+
+       /* fix the dst_pos info of the cursor window */
+       hwc_window_data->info.src_config.pos.w = new_w;
+       hwc_window_data->info.src_config.pos.h = new_h;
+       hwc_window_data->info.dst_pos.w = new_w;
+       hwc_window_data->info.dst_pos.h = new_h;
+
+       hwc_window_data->cursor_img_refresh = 0;
+
+       return 1;
+}
+
+static void
+_print_validate_result(tdm_fbdev_hwc *hwc_data, hal_tdm_hwc_window **composited_wnds, uint32_t num_wnds)
+{
+       tdm_fbdev_hwc_window *hwc_window_data = NULL;
+       int i;
+
+       for (i = 0; i < num_wnds; i++) {
+               hwc_window_data = composited_wnds[i];
+               switch (hwc_window_data->validated_type) {
+               case HAL_TDM_HWC_WIN_COMPOSITION_CLIENT:
+                       TDM_BACKEND_INFO(" window(%p) %s -> %s : lzpos(%d) -- {%s} on TARGET WINDOW", hwc_window_data,
+                                       _comp_to_str(hwc_window_data->client_type),
+                                       _comp_to_str(hwc_window_data->validated_type),
+                                       hwc_data->target_hwc_window->lzpos,
+                                       hwc_window_data->name ? hwc_window_data->name : "NONE");
+                       break;
+               case HAL_TDM_HWC_WIN_COMPOSITION_DEVICE:
+               case HAL_TDM_HWC_WIN_COMPOSITION_VIDEO:
+               case HAL_TDM_HWC_WIN_COMPOSITION_CURSOR:
+               case HAL_TDM_HWC_WIN_COMPOSITION_NONE:
+                       TDM_BACKEND_INFO(" window(%p) %s -> %s : lzpos(%d) -- {%s}", hwc_window_data,
+                                       _comp_to_str(hwc_window_data->client_type),
+                                       _comp_to_str(hwc_window_data->validated_type),
+                                       hwc_window_data->lzpos,
+                                       hwc_window_data->name ? hwc_window_data->name : "NONE");
+                       break;
+               default:
+                       break;
+               }
+       }
+}
+
+static int
+_fbdev_hwc_window_can_set_on_hw_layer(tdm_fbdev_hwc_window *hwc_window_data)
+{
+       if (!hwc_window_data->surface)
+               return 0;
+
+       if (hwc_window_data->info.transform != HAL_TDM_TRANSFORM_NORMAL)
+               return 0;
+
+       if (hwc_window_data->info.src_config.pos.w != hwc_window_data->info.dst_pos.w)
+               return 0;
+
+       if (hwc_window_data->info.src_config.pos.h != hwc_window_data->info.dst_pos.h)
+               return 0;
+
+       if (!IS_RGB(hwc_window_data->info.src_config.format))
+               return 0;
+
+       if (hwc_window_data->info.dst_pos.x > hwc_window_data->hwc_data->output_data->current_mode->hdisplay ||
+               hwc_window_data->info.dst_pos.y > hwc_window_data->hwc_data->output_data->current_mode->vdisplay)
+               return 0;
+
+       if (hwc_window_data->info.src_config.pos.w < MIN_WIDTH || hwc_window_data->info.src_config.pos.w % 2)
+               return 0;
+
+       return 1;
+}
+
+static tbm_surface_queue_h
+_fbdev_hwc_window_get_tbm_buffer_queue(hal_tdm_hwc_window *hwc_window, hal_tdm_error *error)
+{
+       tdm_fbdev_hwc_window *hwc_window_data = NULL;
+       tbm_surface_queue_h tqueue = NULL;
+       int width, height;
+       tbm_format format;
+
+       if (error)
+               *error = HAL_TDM_ERROR_INVALID_PARAMETER;
+
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(hwc_window != NULL, NULL);
+
+       hwc_window_data = hwc_window;
+
+       width = hwc_window_data->info.src_config.size.h;
+       height = hwc_window_data->info.src_config.size.v;
+       format = hwc_window_data->info.src_config.format;
+
+       tqueue = tbm_surface_queue_create(NUM_BUFFERS, width, height, format, TBM_BO_SCANOUT);
+       if (error)
+               *error = HAL_TDM_ERROR_OPERATION_FAILED;
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(tqueue != NULL, NULL);
+
+       if (error)
+               *error = HAL_TDM_ERROR_NONE;
+
+       return tqueue;
+}
+
+static hal_tdm_error
+_fbdev_hwc_layer_attach_window(tdm_fbdev_layer *layer_data, tdm_fbdev_hwc_window *hwc_window_data)
+{
+       hal_tdm_error ret = HAL_TDM_ERROR_NONE;
+
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(layer_data, HAL_TDM_ERROR_OPERATION_FAILED);
+
+       if (hwc_window_data == NULL || hwc_window_data->surface == NULL) {
+               if (layer_data->display_buffer)
+                       ret = fbdev_layer_unset_buffer(layer_data);
+               TDM_BACKEND_RETURN_VAL_IF_FAIL(ret == HAL_TDM_ERROR_NONE, ret);
+       } else {
+               ret = fbdev_layer_set_info(layer_data, (tdm_fbdev_layer_info *)&(hwc_window_data->info));
+               TDM_BACKEND_RETURN_VAL_IF_FAIL(ret == HAL_TDM_ERROR_NONE, ret);
+               TDM_BACKEND_RETURN_VAL_IF_FAIL(hwc_window_data->surface != NULL, HAL_TDM_ERROR_INVALID_PARAMETER);
+               ret = fbdev_layer_set_buffer(layer_data, hwc_window_data->surface);
+               TDM_BACKEND_RETURN_VAL_IF_FAIL(ret == HAL_TDM_ERROR_NONE, ret);
+       }
+
+       return ret;
+}
+
+static hal_tdm_error
+_fbdev_hwc_prepare_commit(tdm_fbdev_hwc *hwc_data)
+{
+       tdm_fbdev_hwc_window *hwc_window_data = NULL;
+       tdm_fbdev_layer *layer_data = NULL;
+       int use_layers_zpos[NUM_LAYERS] = {0,};
+       int lzpos = 0;
+
+       /* set target hwc window to the layer */
+       if (hwc_data->need_target_window) {
+               layer_data = fbdev_output_data_get_layer_data(hwc_data->output_data, hwc_data->target_hwc_window->lzpos);
+               _fbdev_hwc_layer_attach_window(layer_data, hwc_data->target_hwc_window);
+               use_layers_zpos[hwc_data->target_hwc_window->lzpos] = 1;
+       }
+
+       /* set the hwc_windows to the layers */
+       LIST_FOR_EACH_ENTRY_REV(hwc_window_data, &hwc_data->hwc_window_list, link) {
+               if (hwc_window_data->validated_type == HAL_TDM_HWC_WIN_COMPOSITION_NONE ||
+                       hwc_window_data->validated_type == HAL_TDM_HWC_WIN_COMPOSITION_CLIENT) {
+
+                       if (hwc_window_data->cursor_img_surface)
+                               _fbdev_hwc_cursor_buffer_unset(hwc_window_data);
+
+                       continue;
+               }
+
+               if (hwc_window_data == hwc_data->target_hwc_window)
+                       continue;
+
+               /* set the cursor buffer HERE if it needs */
+               if (hwc_window_data->validated_type == HAL_TDM_HWC_WIN_COMPOSITION_CURSOR)
+                       _fbdev_hwc_cursor_buffer_set(hwc_data, hwc_window_data);
+
+               layer_data = fbdev_output_data_get_layer_data(hwc_data->output_data, hwc_window_data->lzpos);
+               _fbdev_hwc_layer_attach_window(layer_data, hwc_window_data);
+               use_layers_zpos[hwc_window_data->lzpos] = 1;
+       }
+
+       /* unset the unused layers */
+       for (lzpos = 0; lzpos < NUM_LAYERS; lzpos++) {
+               if (use_layers_zpos[lzpos])
+                       continue;
+
+               layer_data = fbdev_output_data_get_layer_data(hwc_data->output_data, lzpos);
+               if (!layer_data)
+                       continue;
+
+               _fbdev_hwc_layer_attach_window(layer_data, NULL);
+       }
+
+       /* for debug */
+       for (lzpos = NUM_LAYERS -1 ; lzpos >= 0; lzpos--) {
+               if (use_layers_zpos[lzpos])
+                       TDM_BACKEND_INFO(" lzpos(%d) : %s", lzpos, use_layers_zpos[lzpos] ? "SET" : "UNSET");
+       }
+
+       return HAL_TDM_ERROR_NONE;
+}
+
+/* assign the validated_type to the composited_wnds
+ * assign the layer_zpos to the composited_wnds
+ */
+static void
+_fbdev_hwc_apply_policy(tdm_fbdev_hwc *hwc_data , hal_tdm_hwc_window **composited_wnds, uint32_t num_wnds)
+{
+       tdm_fbdev_hwc_window *hwc_window_data = NULL;
+       tdm_fbdev_hwc_window **composited_list = NULL;
+       int client_count = 0;
+       int device_count = 0;
+       int video_count = 0;
+       int cursor_count = 0;
+       int ui_lzpos_top = ZPOS_0;
+       int ui_lzpos_bottom = ZPOS_0;
+       int num_ui_layers = NUM_UI_LAYERS;
+       int set_clients_below = 0;
+       int i = 0;
+
+       composited_list = (tdm_fbdev_hwc_window **)composited_wnds;
+
+       /* initialize the need_target_window */
+       hwc_data->need_target_window = 0;
+
+       /* initialize the validated_types */
+       LIST_FOR_EACH_ENTRY_REV(hwc_window_data, &hwc_data->hwc_window_list, link) {
+               if (hwc_window_data->validated_type != HAL_TDM_HWC_WIN_COMPOSITION_NONE)
+                       hwc_window_data->validated_type = HAL_TDM_HWC_WIN_COMPOSITION_NONE;
+       }
+
+       /* use the target_window to commit when there is no window. */
+       if (num_wnds == 0) {
+               hwc_data->need_target_window = 1;
+               hwc_data->target_hwc_window->lzpos = ui_lzpos_bottom;
+               return;
+       }
+
+       /* 1. first check validate_type without target_window */
+       for (i = 0; i < num_wnds; i++) {
+               switch (composited_list[i]->client_type) {
+               case HAL_TDM_HWC_WIN_COMPOSITION_VIDEO:
+                       composited_list[i]->validated_type = HAL_TDM_HWC_WIN_COMPOSITION_VIDEO;
+                       video_count++;
+                       continue;
+               case HAL_TDM_HWC_WIN_COMPOSITION_CURSOR:
+                       if (set_clients_below) break;
+                       if (cursor_count > 0) break;
+
+                       composited_list[i]->validated_type = HAL_TDM_HWC_WIN_COMPOSITION_CURSOR;
+                       cursor_count++;
+                       continue;
+               case HAL_TDM_HWC_WIN_COMPOSITION_DEVICE:
+                       if (set_clients_below) break;
+                       if (num_ui_layers <= 0) break;
+                       if (!_fbdev_hwc_window_can_set_on_hw_layer(composited_list[i])) break;
+
+                       composited_list[i]->validated_type = HAL_TDM_HWC_WIN_COMPOSITION_DEVICE;
+                       device_count++;
+                       num_ui_layers--;
+                       continue;
+               default:
+                       break;
+               }
+
+               composited_list[i]->validated_type = HAL_TDM_HWC_WIN_COMPOSITION_CLIENT;
+               client_count++;
+               set_clients_below = 1;
+       }
+
+       /* 2. check need target window and set ui_lzpos top and bottom */
+       num_ui_layers = NUM_UI_LAYERS;
+
+       if (video_count > 0) {
+               ui_lzpos_bottom++;
+               num_ui_layers--;
+       }
+
+       if (client_count > 0) {
+               ui_lzpos_bottom++;
+               num_ui_layers--;
+               hwc_data->need_target_window = 1;
+               hwc_data->target_hwc_window->lzpos = ui_lzpos_bottom - 1;
+       }
+
+       if (num_ui_layers > device_count)
+               ui_lzpos_top = ui_lzpos_bottom + device_count - 1;
+
+       /* 3. set lzpos and modify validate_type with target_window */
+       for (i = 0; i < num_wnds; i++) {
+               switch (composited_list[i]->validated_type) {
+               case HAL_TDM_HWC_WIN_COMPOSITION_VIDEO:
+                       composited_list[i]->lzpos = ZPOS_VIDEO1;
+                       continue;
+               case HAL_TDM_HWC_WIN_COMPOSITION_CURSOR:
+                       composited_list[i]->lzpos = ZPOS_CURSOR;
+                       continue;
+               case HAL_TDM_HWC_WIN_COMPOSITION_DEVICE:
+                       if (num_ui_layers <= 0) break;
+                       composited_list[i]->lzpos = ui_lzpos_top;
+                       ui_lzpos_top--;
+                       num_ui_layers--;
+                       continue;
+               default:
+                       break;
+               }
+
+               composited_list[i]->validated_type = HAL_TDM_HWC_WIN_COMPOSITION_CLIENT;
+               composited_list[i]->lzpos = ZPOS_NONE;
+       }
+}
+
+static int
+_fbdev_hwc_get_changed_number(tdm_fbdev_hwc *hwc_data)
+{
+       int num = 0;
+       tdm_fbdev_hwc_window *hwc_window_data = NULL;
+
+       LIST_FOR_EACH_ENTRY(hwc_window_data, &hwc_data->hwc_window_list, link) {
+               if (hwc_window_data->client_type == HAL_TDM_HWC_WIN_COMPOSITION_NONE)
+                       continue;
+
+               if (hwc_window_data->client_type != hwc_window_data->validated_type)
+                       num++;
+       }
+
+       return num;
+}
+
+hal_tdm_hwc_window *
+_fbdev_hwc_create_window(hal_tdm_hwc *hwc, hal_tdm_hwc_window_info *info, hal_tdm_error *error)
+{
+       tdm_fbdev_hwc *hwc_data = hwc;
+       tdm_fbdev_hwc_window *hwc_window_data = NULL;
+
+       if (error)
+               *error = HAL_TDM_ERROR_NONE;
+
+       if (!hwc_data) {
+               TDM_BACKEND_ERR("invalid params");
+               if (error)
+                       *error = HAL_TDM_ERROR_INVALID_PARAMETER;
+               return NULL;
+       }
+
+       hwc_window_data = calloc(1, sizeof(tdm_fbdev_hwc_window));
+       if (!hwc_window_data) {
+               TDM_BACKEND_ERR("alloc failed");
+               if (error)
+                       *error = HAL_TDM_ERROR_OUT_OF_MEMORY;
+               return NULL;
+       }
+
+       hwc_window_data->hwc_data = hwc_data;
+
+       if (info)
+               memcpy(&hwc_window_data->info, info, sizeof(hal_tdm_hwc_window_info));
+
+       LIST_INITHEAD(&hwc_window_data->link);
+
+       return hwc_window_data;
+}
+
+hal_tdm_hwc_window *
+fbdev_hwc_create_window(hal_tdm_hwc *hwc, hal_tdm_error *error)
+{
+       tdm_fbdev_hwc *hwc_data = hwc;
+       tdm_fbdev_hwc_window *hwc_window_data = NULL;
+
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(hwc_data, NULL);
+
+       hwc_window_data = _fbdev_hwc_create_window(hwc_data, NULL, error);
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(hwc_window_data, NULL);
+
+       LIST_ADDTAIL(&hwc_window_data->link, &hwc_data->hwc_window_list);
+
+       TDM_BACKEND_INFO("hwc_window(%p) create", hwc_window_data);
+       if (error)
+               *error = HAL_TDM_ERROR_NONE;
+
+       return hwc_window_data;
+}
+
+hal_tdm_error
+fbdev_hwc_get_video_supported_formats(hal_tdm_hwc *hwc, const tbm_format **formats, int *count)
+{
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(hwc != NULL, HAL_TDM_ERROR_INVALID_PARAMETER);
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(formats != NULL, HAL_TDM_ERROR_INVALID_PARAMETER);
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(count != NULL, HAL_TDM_ERROR_INVALID_PARAMETER);
+
+       // TODO: fix these formats.
+       *formats = hwc_window_video_formats;
+       *count = sizeof(hwc_window_video_formats) / sizeof(tbm_format);
+
+       return HAL_TDM_ERROR_NONE;
+}
+
+hal_tdm_error
+fbdev_hwc_get_capabilities(hal_tdm_hwc *hwc, hal_tdm_hwc_capability *capabilities)
+{
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(hwc != NULL, HAL_TDM_ERROR_INVALID_PARAMETER);
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(capabilities != NULL, HAL_TDM_ERROR_INVALID_PARAMETER);
+
+       *capabilities |= HAL_TDM_HWC_CAPABILITY_VIDEO_SCALE;
+
+       return HAL_TDM_ERROR_NONE;
+}
+
+hal_tdm_error
+fbdev_hwc_get_available_properties(hal_tdm_hwc *hwc, const hal_tdm_prop **props, int *count)
+{
+       tdm_fbdev_hwc *hwc_data = hwc;
+
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(hwc_data != NULL, HAL_TDM_ERROR_INVALID_PARAMETER);
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(props != NULL, HAL_TDM_ERROR_INVALID_PARAMETER);
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(count != NULL, HAL_TDM_ERROR_INVALID_PARAMETER);
+
+       *props = NULL;
+       *count = 0;
+
+       return HAL_TDM_ERROR_NONE;
+}
+
+tbm_surface_queue_h
+fbdev_hwc_get_client_target_buffer_queue(hal_tdm_hwc *hwc, hal_tdm_error *error)
+{
+       tdm_fbdev_hwc *hwc_data = hwc;
+       tbm_surface_queue_h tqueue = NULL;
+
+       if (error)
+               *error = HAL_TDM_ERROR_INVALID_PARAMETER;
+
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(hwc_data != NULL, NULL);
+
+       if (hwc_data->target_hwc_window == NULL) {
+               if (error)
+                       *error = HAL_TDM_ERROR_OPERATION_FAILED;
+               return NULL;
+       }
+
+       tqueue = _fbdev_hwc_window_get_tbm_buffer_queue(hwc_data->target_hwc_window, error);
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(tqueue, NULL);
+
+       if (error)
+               *error = HAL_TDM_ERROR_NONE;
+
+       return tqueue;
+}
+
+hal_tdm_error
+fbdev_hwc_set_client_target_buffer(hal_tdm_hwc *hwc, tbm_surface_h buffer, hal_tdm_region damage)
+{
+       tdm_fbdev_hwc *hwc_data = hwc;
+       hal_tdm_error err;
+
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(hwc_data != NULL, HAL_TDM_ERROR_INVALID_PARAMETER);
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(hwc_data->target_hwc_window  != NULL, HAL_TDM_ERROR_OPERATION_FAILED);
+
+       err = fbdev_hwc_window_set_buffer(hwc_data->target_hwc_window, buffer);
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(err == HAL_TDM_ERROR_NONE, err);
+
+       err = fbdev_hwc_window_set_buffer_damage(hwc_data->target_hwc_window, damage);
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(err == HAL_TDM_ERROR_NONE, err);
+
+       return HAL_TDM_ERROR_NONE;
+}
+
+hal_tdm_error
+fbdev_hwc_validate(hal_tdm_hwc *hwc, hal_tdm_hwc_window **composited_wnds, uint32_t num_wnds, uint32_t *num_types)
+{
+       tdm_fbdev_hwc *hwc_data = hwc;
+       tdm_fbdev_output *output_data;
+
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(hwc_data != NULL, HAL_TDM_ERROR_INVALID_PARAMETER);
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(num_types != NULL, HAL_TDM_ERROR_INVALID_PARAMETER);
+
+       output_data = hwc_data->output_data;
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(output_data != NULL, HAL_TDM_ERROR_INVALID_PARAMETER);
+
+       TDM_BACKEND_INFO(" ==============Validate=================================");
+
+       _fbdev_hwc_apply_policy(hwc_data, composited_wnds, num_wnds);
+
+       *num_types = _fbdev_hwc_get_changed_number(hwc_data);
+
+       _print_validate_result(hwc_data, composited_wnds, num_wnds);
+
+       return HAL_TDM_ERROR_NONE;
+}
+
+hal_tdm_error
+fbdev_hwc_get_changed_composition_types(hal_tdm_hwc *hwc, uint32_t *num_elements,
+                               hal_tdm_hwc_window **hwc_wnds, hal_tdm_hwc_window_composition *composition_types)
+{
+       tdm_fbdev_hwc *hwc_data = hwc;
+       tdm_fbdev_hwc_window *hwc_window_data = NULL;
+       int num = 0;
+
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(hwc_data != NULL, HAL_TDM_ERROR_INVALID_PARAMETER);
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(num_elements != NULL, HAL_TDM_ERROR_INVALID_PARAMETER);
+
+       if ((hwc_wnds == NULL) || (composition_types == NULL)) {
+               *num_elements = _fbdev_hwc_get_changed_number(hwc_data);
+               return HAL_TDM_ERROR_NONE;
+       }
+
+       LIST_FOR_EACH_ENTRY_REV(hwc_window_data, &hwc_data->hwc_window_list, link) {
+               if (hwc_window_data->client_type == HAL_TDM_HWC_WIN_COMPOSITION_NONE)
+                       continue;
+
+               if (num >= *num_elements)
+                       break;
+
+               if (hwc_window_data->client_type != hwc_window_data->validated_type) {
+                       composition_types[num] = hwc_window_data->validated_type;
+                       hwc_wnds[num] = hwc_window_data;
+                       num++;
+               }
+       }
+
+       /* set real num of changed composition types */
+       *num_elements = num;
+
+       return HAL_TDM_ERROR_NONE;
+}
+
+hal_tdm_error
+fbdev_hwc_accept_validation(hal_tdm_hwc *hwc)
+{
+       tdm_fbdev_hwc *hwc_data = hwc;
+       hal_tdm_error ret = HAL_TDM_ERROR_NONE;
+
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(hwc_data != NULL, HAL_TDM_ERROR_INVALID_PARAMETER);
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(hwc_data->output_data != NULL, HAL_TDM_ERROR_INVALID_PARAMETER);
+
+       TDM_BACKEND_INFO(" ==============Accept Changes Done=================================");
+
+       if (hwc_data->output_data->current_dpms != HAL_TDM_OUTPUT_DPMS_ON) {
+               TDM_BACKEND_ERR("dpms is not on. do not set buffer");
+               return HAL_TDM_ERROR_BAD_REQUEST;
+       }
+
+       ret = _fbdev_hwc_prepare_commit(hwc_data);
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(ret == HAL_TDM_ERROR_NONE, ret);
+
+       return HAL_TDM_ERROR_NONE;
+}
+
+hal_tdm_error
+fbdev_hwc_commit(hal_tdm_hwc *hwc, int sync, void *user_data)
+{
+       tdm_fbdev_hwc *hwc_data = hwc;
+       tdm_fbdev_output *output_data = NULL;
+       hal_tdm_error ret;
+
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(hwc_data, HAL_TDM_ERROR_INVALID_PARAMETER);
+
+       output_data = hwc_data->output_data;
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(output_data, HAL_TDM_ERROR_INVALID_PARAMETER);
+
+       TDM_BACKEND_INFO(" ==============COMMIT=================================");
+
+       if (hwc_data->output_data->current_dpms != HAL_TDM_OUTPUT_DPMS_ON) {
+               TDM_BACKEND_ERR("dpms is not on. do not commit");
+               return HAL_TDM_ERROR_BAD_REQUEST;
+       }
+
+       ret = fbdev_output_commit(output_data, sync, user_data);
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(ret == HAL_TDM_ERROR_NONE, ret);
+
+       if (hwc_data->commit_func)
+               hwc_data->commit_func(hwc, output_data->sequence++, 0, 0, user_data);
+
+       return HAL_TDM_ERROR_NONE;
+}
+
+hal_tdm_error
+fbdev_hwc_set_commit_handler(hal_tdm_hwc *hwc, hal_tdm_hwc_commit_handler func)
+{
+       tdm_fbdev_hwc *hwc_data = hwc;
+
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(hwc_data, HAL_TDM_ERROR_INVALID_PARAMETER);
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(func, HAL_TDM_ERROR_INVALID_PARAMETER);
+
+       hwc_data->commit_func = func;
+
+       return HAL_TDM_ERROR_NONE;
+}
+
+hal_tdm_error
+fbdev_hwc_target_window_set_info(tdm_fbdev_hwc *hwc_data, int width, int height)
+{
+       hal_tdm_hwc_window_info info = {0};
+       tdm_fbdev_hwc_window *target_hwc_window;
+       hal_tdm_error ret = HAL_TDM_ERROR_NONE;
+
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(hwc_data, HAL_TDM_ERROR_INVALID_PARAMETER);
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(hwc_data->target_hwc_window, HAL_TDM_ERROR_INVALID_PARAMETER);
+
+       target_hwc_window = hwc_data->target_hwc_window;
+
+       info.dst_pos.x = 0;
+       info.dst_pos.y = 0;
+       info.dst_pos.w = width;
+       info.dst_pos.h = height;
+
+       info.src_config.pos.x = 0;
+       info.src_config.pos.y = 0;
+       info.src_config.pos.w = width;
+       info.src_config.pos.h = height;
+
+       info.src_config.size.h = width;
+       info.src_config.size.v = height;
+       info.src_config.format = TBM_FORMAT_ARGB8888;
+
+       ret = fbdev_hwc_window_set_info(target_hwc_window, &info);
+       if (ret != HAL_TDM_ERROR_NONE) {
+               TDM_BACKEND_ERR("set info target hwc window failed (%d)", ret);
+               return HAL_TDM_ERROR_OPERATION_FAILED;
+       }
+
+       return HAL_TDM_ERROR_NONE;
+}
+
+hal_tdm_error
+fbdev_hwc_initailize_target_window(tdm_fbdev_hwc *hwc_data)
+{
+       hal_tdm_hwc_window_info info = {0};
+       hal_tdm_error ret = HAL_TDM_ERROR_NONE;
+       tdm_fbdev_hwc_window *target_hwc_window;
+
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(hwc_data, HAL_TDM_ERROR_INVALID_PARAMETER);
+
+       info.dst_pos.x = 0;
+       info.dst_pos.y = 0;
+       info.dst_pos.w = 2;
+       info.dst_pos.h = 1;
+
+       info.src_config.pos.x = 0;
+       info.src_config.pos.y = 0;
+       info.src_config.pos.w = 2;
+       info.src_config.pos.h = 1;
+
+       info.src_config.size.h = 2;
+       info.src_config.size.v = 1;
+       info.src_config.format = TBM_FORMAT_ARGB8888;
+
+       target_hwc_window = _fbdev_hwc_create_window(hwc_data, &info, &ret);
+       if (ret != HAL_TDM_ERROR_NONE) {
+               TDM_BACKEND_ERR("create target hwc window failed (%d)", ret);
+               return HAL_TDM_ERROR_OPERATION_FAILED;
+       }
+
+       if (hwc_data->target_hwc_window)
+               fbdev_hwc_window_destroy(hwc_data->target_hwc_window);
+
+       hwc_data->target_hwc_window = target_hwc_window;
+       hwc_data->need_set_crtc = 1;
+
+       return HAL_TDM_ERROR_NONE;
+}
diff --git a/src/libhal-backend-tdm-fbdev/tdm_fbdev_hwc_window.c b/src/libhal-backend-tdm-fbdev/tdm_fbdev_hwc_window.c
new file mode 100644 (file)
index 0000000..55e2a71
--- /dev/null
@@ -0,0 +1,184 @@
+/**************************************************************************
+
+libtdm_fbdev
+
+Copyright 2021 Samsung Electronics co., Ltd. All Rights Reserved.
+
+Contact: SooChan Lim <sc1.lim@samsung.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sub license, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice (including the
+next paragraph) shall be included in all copies or substantial portions
+of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
+ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+**************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "tdm_backend_fbdev.h"
+
+void
+fbdev_hwc_window_destroy(hal_tdm_hwc_window *hwc_window)
+{
+       tdm_fbdev_hwc_window *hwc_window_data = hwc_window;
+
+       TDM_BACKEND_RETURN_IF_FAIL(hwc_window_data != NULL);
+
+       LIST_DEL(&hwc_window_data->link);
+
+       free(hwc_window_data);
+}
+
+hal_tdm_error
+fbdev_hwc_window_set_composition_type(hal_tdm_hwc_window *hwc_window,
+                                                                       hal_tdm_hwc_window_composition comp_type)
+{
+       tdm_fbdev_hwc_window *hwc_window_data = hwc_window;
+       tdm_fbdev_hwc *hwc_data = hwc_window_data->hwc_data;
+
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(hwc_window_data != NULL, HAL_TDM_ERROR_INVALID_PARAMETER);
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(hwc_data != NULL, HAL_TDM_ERROR_INVALID_PARAMETER);
+
+       /* change the client_type when it is different from one which has before */
+       if (hwc_window_data->client_type == comp_type)
+               return HAL_TDM_ERROR_NONE;
+
+       hwc_window_data->client_type = comp_type;
+
+       return HAL_TDM_ERROR_NONE;
+}
+
+hal_tdm_error
+fbdev_hwc_window_set_buffer_damage(hal_tdm_hwc_window *hwc_window, hal_tdm_region damage)
+{
+       tdm_fbdev_hwc_window *hwc_window_data = hwc_window;
+
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(hwc_window_data != NULL, HAL_TDM_ERROR_INVALID_PARAMETER);
+
+       //TODO::
+
+       return HAL_TDM_ERROR_NONE;
+}
+
+hal_tdm_error
+fbdev_hwc_window_set_info(hal_tdm_hwc_window *hwc_window, hal_tdm_hwc_window_info *info)
+{
+       tdm_fbdev_hwc_window *hwc_window_data = hwc_window;
+       tdm_fbdev_hwc *hwc_data;
+
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(hwc_window_data != NULL, HAL_TDM_ERROR_INVALID_PARAMETER);
+       hwc_data = hwc_window_data->hwc_data;
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(hwc_data != NULL, HAL_TDM_ERROR_INVALID_PARAMETER);
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(info != NULL, HAL_TDM_ERROR_INVALID_PARAMETER);
+
+       if (!memcmp(&hwc_window_data->info, info, sizeof(hal_tdm_hwc_window_info)))
+               return HAL_TDM_ERROR_NONE;
+
+       hwc_window_data->info = *info;
+
+       return HAL_TDM_ERROR_NONE;
+}
+
+hal_tdm_error
+fbdev_hwc_window_set_buffer(hal_tdm_hwc_window *hwc_window, tbm_surface_h surface)
+{
+       tdm_fbdev_hwc_window *hwc_window_data = hwc_window;
+       hal_tdm_error err = HAL_TDM_ERROR_OPERATION_FAILED;
+
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(hwc_window_data != NULL, err);
+
+       if (hwc_window_data->surface == surface)
+               return HAL_TDM_ERROR_NONE;
+
+       hwc_window_data->surface = surface;
+
+       return HAL_TDM_ERROR_NONE;
+}
+
+hal_tdm_error
+fbdev_hwc_window_set_property(hal_tdm_hwc_window *hwc_window, unsigned int id, hal_tdm_value value)
+{
+       tdm_fbdev_hwc_window *hwc_window_data = hwc_window;
+
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(hwc_window_data != NULL, HAL_TDM_ERROR_INVALID_PARAMETER);
+
+       //TODO:
+
+       return HAL_TDM_ERROR_NONE;
+}
+
+hal_tdm_error
+fbdev_hwc_window_get_property(hal_tdm_hwc_window *hwc_window, unsigned int id, hal_tdm_value *value)
+{
+       tdm_fbdev_hwc_window *hwc_window_data = hwc_window;
+
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(hwc_window_data != NULL, HAL_TDM_ERROR_INVALID_PARAMETER);
+
+       //TODO:
+
+       return HAL_TDM_ERROR_NONE;
+}
+
+hal_tdm_error
+fbdev_hwc_window_get_constraints(hal_tdm_hwc_window *hwc_window, int *constraints)
+{
+       tdm_fbdev_hwc_window *hwc_window_data = hwc_window;
+
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(hwc_window_data != NULL, HAL_TDM_ERROR_INVALID_PARAMETER);
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(constraints != NULL, HAL_TDM_ERROR_INVALID_PARAMETER);
+
+       // no constraints
+       *constraints = 0;
+
+       return HAL_TDM_ERROR_NONE;
+}
+
+hal_tdm_error
+fbdev_hwc_window_set_name(hal_tdm_hwc_window *hwc_window, const char *name)
+{
+       tdm_fbdev_hwc_window *hwc_window_data = hwc_window;
+
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(hwc_window_data != NULL, HAL_TDM_ERROR_INVALID_PARAMETER);
+
+       if (!name)
+               return HAL_TDM_ERROR_NONE;
+
+       snprintf(hwc_window_data->name, HAL_TDM_NAME_LEN, "%s", name);
+
+       return HAL_TDM_ERROR_NONE;
+}
+
+hal_tdm_error
+fbdev_hwc_window_set_cursor_image(hal_tdm_hwc_window *hwc_window, int width, int height, int stride, void *ptr)
+{
+       tdm_fbdev_hwc_window *hwc_window_data = hwc_window;
+
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(hwc_window_data != NULL, HAL_TDM_ERROR_INVALID_PARAMETER);
+       TDM_BACKEND_RETURN_VAL_IF_FAIL(hwc_window_data->client_type == HAL_TDM_HWC_WIN_COMPOSITION_CURSOR, HAL_TDM_ERROR_INVALID_PARAMETER);
+
+       hwc_window_data->cursor_img.width = width;
+       hwc_window_data->cursor_img.height = height;
+       hwc_window_data->cursor_img.stride = stride;
+       hwc_window_data->cursor_img.ptr = ptr;
+
+       hwc_window_data->cursor_img_refresh = 1;
+
+       return HAL_TDM_ERROR_NONE;
+}