From: Rob Clark <rob@xxxxxx>
This adds libdrm_omap helper layer (as used by xf86-video-omap,
omapdrmtest, etc).
Signed-off-by: Rob Clark <rob@xxxxxx>
---
Makefile.am | 6 +-
configure.ac | 12 ++
omap/Makefile.am | 22 ++++
omap/libdrm_omap.pc.in | 11 ++
omap/omap_drm.c | 300 +++++++++++++++++++++++++++++++++++++++++++++
omap/omap_drm.h | 125 +++++++++++++++++++
omap/omap_drmif.h | 61 +++++++++
tests/modetest/modetest.c | 2 +-
8 files changed, 537 insertions(+), 2 deletions(-)
create mode 100644 omap/Makefile.am
create mode 100644 omap/libdrm_omap.pc.in
create mode 100644 omap/omap_drm.c
create mode 100644 omap/omap_drm.h
create mode 100644 omap/omap_drmif.h
diff --git a/Makefile.am b/Makefile.am
index a4d07f4..4f625a1 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -41,7 +41,11 @@ if HAVE_RADEON
RADEON_SUBDIR = radeon
endif
-SUBDIRS = . $(LIBKMS_SUBDIR) $(INTEL_SUBDIR) $(NOUVEAU_SUBDIR) $(RADEON_SUBDIR) tests include
+if HAVE_OMAP
+OMAP_SUBDIR = omap
+endif
+
+SUBDIRS = . $(LIBKMS_SUBDIR) $(INTEL_SUBDIR) $(NOUVEAU_SUBDIR) $(RADEON_SUBDIR) $(OMAP_SUBDIR) tests include
libdrm_la_LTLIBRARIES = libdrm.la
libdrm_ladir = $(libdir)
diff --git a/configure.ac b/configure.ac
index ff2c840..921dcbd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -83,6 +83,10 @@ AC_ARG_ENABLE(nouveau-experimental-api,
[Enable support for nouveau's experimental API (default: disabled)]),
[NOUVEAU=$enableval], [NOUVEAU=no])
+AC_ARG_ENABLE(omap-experimental-api,
+ AS_HELP_STRING([--enable-omap-experimental-api],
+ [Enable support for OMAP's experimental API (default: disabled)]),
+ [OMAP=$enableval], [OMAP=no])
dnl ===========================================================================
dnl check compiler flags
@@ -182,6 +186,11 @@ if test "x$NOUVEAU" = xyes; then
AC_DEFINE(HAVE_NOUVEAU, 1, [Have nouveau (nvidia) support])
fi
+AM_CONDITIONAL(HAVE_OMAP, [test "x$OMAP" = xyes])
+if test "x$OMAP" = xyes; then
+ AC_DEFINE(HAVE_OMAP, 1, [Have OMAP support])
+fi
+
PKG_CHECK_MODULES(CAIRO, cairo, [HAVE_CAIRO=yes], [HAVE_CAIRO=no])
if test "x$HAVE_CAIRO" = xyes; then
AC_DEFINE(HAVE_CAIRO, 1, [Have cairo support])
@@ -291,6 +300,8 @@ AC_CONFIG_FILES([
radeon/libdrm_radeon.pc
nouveau/Makefile
nouveau/libdrm_nouveau.pc
+ omap/Makefile
+ omap/libdrm_omap.pc
tests/Makefile
tests/modeprint/Makefile
tests/modetest/Makefile
@@ -310,4 +321,5 @@ echo " Intel API $INTEL"
echo " vmwgfx API $VMWGFX"
echo " Radeon API $RADEON"
echo " Nouveau API $NOUVEAU"
+echo " OMAP API $OMAP"
echo ""
diff --git a/omap/Makefile.am b/omap/Makefile.am
new file mode 100644
index 0000000..c77520b
--- /dev/null
+++ b/omap/Makefile.am
@@ -0,0 +1,22 @@
+AM_CFLAGS = \
+ $(WARN_CFLAGS) \
+ -I$(top_srcdir) \
+ -I$(top_srcdir)/omap \
+ $(PTHREADSTUBS_CFLAGS) \
+ -I$(top_srcdir)/include/drm
+
+libdrm_omap_la_LTLIBRARIES = libdrm_omap.la
+libdrm_omap_ladir = $(libdir)
+libdrm_omap_la_LDFLAGS = -version-number 1:0:0 -no-undefined
+libdrm_omap_la_LIBADD = ../libdrm.la @PTHREADSTUBS_LIBS@
+
+libdrm_omap_la_SOURCES = omap_drm.c
+
+libdrm_omapcommonincludedir = ${includedir}/omap
+libdrm_omapcommoninclude_HEADERS = omap_drm.h
+
+libdrm_omapincludedir = ${includedir}/libdrm
+libdrm_omapinclude_HEADERS = omap_drmif.h
+
+pkgconfigdir = @pkgconfigdir@
+pkgconfig_DATA = libdrm_omap.pc
diff --git a/omap/libdrm_omap.pc.in b/omap/libdrm_omap.pc.in
new file mode 100644
index 0000000..024533b
--- /dev/null
+++ b/omap/libdrm_omap.pc.in
@@ -0,0 +1,11 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: libdrm_omap
+Description: Userspace interface to omap kernel DRM services
+Version: 0.6
+Libs: -L${libdir} -ldrm_omap
+Cflags: -I${includedir} -I${includedir}/libdrm -I${includedir}/omap
+Requires.private: libdrm
diff --git a/omap/omap_drm.c b/omap/omap_drm.c
new file mode 100644
index 0000000..9b672e8
--- /dev/null
+++ b/omap/omap_drm.c
@@ -0,0 +1,300 @@
+/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
+
+/*
+ * Copyright (C) 2011 Texas Instruments, Inc
+ *
+ * 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, sublicense,
+ * 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 NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
+ *
+ * Authors:
+ * Rob Clark <rob@xxxxxx>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdlib.h>
+#include <linux/stddef.h>
+#include <errno.h>
+#include <sys/mman.h>
+
+#include <xf86drm.h>
+
+#include "omap_drm.h"
+#include "omap_drmif.h"
+
+#define __round_mask(x, y) ((__typeof__(x))((y)-1))
+#define round_up(x, y) ((((x)-1) | __round_mask(x, y))+1)
+#define PAGE_SIZE 4096
+
+struct omap_device {
+ int fd;
+};
+
+/* a GEM buffer object allocated from the DRM device */
+struct omap_bo {
+ struct omap_device *dev;
+ void *map; /* userspace mmap'ing (if there is one) */
+ uint32_t size;
+ uint32_t handle;
+ uint32_t name; /* flink global handle (DRI2 name) */
+ uint64_t offset; /* offset to mmap() */
+};
+
+struct omap_device * omap_device_new(int fd)
+{
+ struct omap_device *dev = calloc(sizeof(*dev), 1);
+ dev->fd = fd;
+ return dev;
+}
+
+void omap_device_del(struct omap_device *dev)
+{
+ free(dev);
+}
+
+int omap_get_param(struct omap_device *dev, uint64_t param, uint64_t *value)
+{
+ struct drm_omap_param req = {
+ .param = param,
+ };
+ int ret;
+
+ ret = drmCommandWriteRead(dev->fd, DRM_OMAP_GET_PARAM, &req, sizeof(req));
+ if (ret) {
+ return ret;
+ }
+
+ *value = req.value;
+
+ return 0;
+}
+
+int omap_set_param(struct omap_device *dev, uint64_t param, uint64_t value)
+{
+ struct drm_omap_param req = {
+ .param = param,
+ .value = value,
+ };
+ return drmCommandWrite(dev->fd, DRM_OMAP_GET_PARAM, &req, sizeof(req));
+}
+
+/* allocate a new buffer object */
+static struct omap_bo * omap_bo_new_impl(struct omap_device *dev,
+ union omap_gem_size size, uint32_t flags)
+{
+ struct omap_bo *bo = calloc(sizeof(*bo), 1);
+ struct drm_omap_gem_new req = {
+ .size = size,
+ .flags = flags,
+ };
+
+ if (size.bytes == 0) {
+ goto fail;
+ }
+
+ if (!bo) {
+ goto fail;
+ }
+
+ bo->dev = dev;
+
+ if (flags & OMAP_BO_TILED) {
+ bo->size = round_up(size.tiled.width, PAGE_SIZE) * size.tiled.height;
+ } else {
+ bo->size = size.bytes;
+ }
+
+ if (drmCommandWriteRead(dev->fd, DRM_OMAP_GEM_NEW, &req, sizeof(req))) {
+ goto fail;
+ }
+
+ bo->handle = req.handle;
+
+ return bo;
+
+fail:
+ free(bo);
+ return NULL;
+}
+
+
+/* allocate a new (un-tiled) buffer object */
+struct omap_bo * omap_bo_new(struct omap_device *dev,
+ uint32_t size, uint32_t flags)
+{
+ if (flags & OMAP_BO_TILED) {
+ return NULL;
+ }
+ return omap_bo_new_impl(dev, (union omap_gem_size){
+ .bytes = size,
+ }, flags);
+}
+
+/* allocate a new buffer object */
+struct omap_bo * omap_bo_new_tiled(struct omap_device *dev,
+ uint32_t width, uint32_t height, uint32_t flags)
+{
+ if (!(flags & OMAP_BO_TILED)) {
+ return NULL;
+ }
+ return omap_bo_new_impl(dev, (union omap_gem_size){
+ .tiled = {
+ .width = width,
+ .height = height,
+ },
+ }, flags);
+}
+
+/* get buffer info */
+static int get_buffer_info(struct omap_bo *bo)
+{
+ struct drm_omap_gem_info req = {
+ .handle = bo->handle,
+ };
+ int ret = drmCommandWriteRead(bo->dev->fd, DRM_OMAP_GEM_INFO,
+ &req, sizeof(req));
+ if (ret) {
+ return ret;
+ }
+
+ /* really all we need for now is mmap offset */
+ bo->offset = req.offset;
+ bo->size = req.size;
+
+ return 0;
+}
+
+/* import a buffer object from DRI2 name */
+struct omap_bo * omap_bo_from_name(struct omap_device *dev, uint32_t name)
+{
+ struct omap_bo *bo = calloc(sizeof(*bo), 1);
+ struct drm_gem_open req = {
+ .name = name,
+ };
+
+ if (drmIoctl(dev->fd, DRM_IOCTL_GEM_OPEN, &req)) {
+ goto fail;
+ }
+
+ bo->dev = dev;
+ bo->name = name;
+ bo->handle = req.handle;
+
+ return bo;
+
+fail:
+ free(bo);
+ return NULL;
+}
+
+/* destroy a buffer object */
+void omap_bo_del(struct omap_bo *bo)
+{
+ if (!bo) {
+ return;
+ }
+
+ if (bo->map) {
+ munmap(bo->map, bo->size);
+ }
+
+ if (bo->handle) {
+ struct drm_gem_close req = {
+ .handle = bo->handle,
+ };
+
+ drmIoctl(bo->dev->fd, DRM_IOCTL_GEM_CLOSE, &req);
+ }
+
+ free(bo);
+}
+
+/* get the global flink/DRI2 buffer name */
+int omap_bo_get_name(struct omap_bo *bo, uint32_t *name)
+{
+ if (!bo->name) {
+ struct drm_gem_flink req = {
+ .handle = bo->handle,
+ };
+ int ret;
+
+ ret = drmIoctl(bo->dev->fd, DRM_IOCTL_GEM_FLINK, &req);
+ if (ret) {
+ return ret;
+ }
+
+ bo->name = req.name;
+ }
+
+ *name = bo->name;
+
+ return 0;
+}
+
+uint32_t omap_bo_handle(struct omap_bo *bo)
+{
+ return bo->handle;
+}
+
+uint32_t omap_bo_size(struct omap_bo *bo)
+{
+ if (!bo->size) {
+ get_buffer_info(bo);
+ }
+ return bo->size;
+}
+
+void * omap_bo_map(struct omap_bo *bo)
+{
+ if (!bo->map) {
+ if (!bo->offset) {
+ get_buffer_info(bo);
+ }
+
+ bo->map = mmap(0, bo->size, PROT_READ | PROT_WRITE,
+ MAP_SHARED, bo->dev->fd, bo->offset);
+ if (bo->map == MAP_FAILED) {
+ bo->map = NULL;
+ }
+ }
+ return bo->map;
+}
+
+int omap_bo_cpu_prep(struct omap_bo *bo, enum omap_gem_op op)
+{
+ struct drm_omap_gem_cpu_prep req = {
+ .handle = bo->handle,
+ .op = op,
+ };
+ return drmCommandWrite(bo->dev->fd,
+ DRM_OMAP_GEM_CPU_PREP, &req, sizeof(req));
+}
+
+int omap_bo_cpu_fini(struct omap_bo *bo, enum omap_gem_op op)
+{
+ struct drm_omap_gem_cpu_fini req = {
+ .handle = bo->handle,
+ .op = op,
+ .nregions = 0,
+ };
+ return drmCommandWrite(bo->dev->fd,
+ DRM_OMAP_GEM_CPU_FINI, &req, sizeof(req));
+}
diff --git a/omap/omap_drm.h b/omap/omap_drm.h
new file mode 100644
index 0000000..f277cea
--- /dev/null
+++ b/omap/omap_drm.h
@@ -0,0 +1,125 @@
+/*
+ * include/drm/omap_drm.h
+ *
+ * Copyright (C) 2011 Texas Instruments
+ * Author: Rob Clark <rob@xxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __OMAP_DRM_H__
+#define __OMAP_DRM_H__
+
+#include "drm.h"
+
+/* Please note that modifications to all structs defined here are
+ * subject to backwards-compatibility constraints.
+ */
+
+#define OMAP_PARAM_CHIPSET_ID 1 /* ie. 0x3430, 0x4430, etc */
+
+struct drm_omap_param {
+ uint64_t param; /* in */
+ uint64_t value; /* in (set_param), out (get_param) */
+};
+
+struct drm_omap_get_base {
+ char plugin_name[64]; /* in */
+ uint32_t ioctl_base; /* out */
+ uint32_t __pad;
+};
+
+#define OMAP_BO_SCANOUT 0x00000001 /* scanout capable (phys contiguous) */
+#define OMAP_BO_CACHE_MASK 0x00000006 /* cache type mask, see cache modes */
+#define OMAP_BO_TILED_MASK 0x00000f00 /* tiled mapping mask, see tiled modes */
+
+/* cache modes */
+#define OMAP_BO_CACHED 0x00000000 /* default */
+#define OMAP_BO_WC 0x00000002 /* write-combine */
+#define OMAP_BO_UNCACHED 0x00000004 /* strongly-ordered (uncached) */
+
+/* tiled modes */
+#define OMAP_BO_TILED_8 0x00000100
+#define OMAP_BO_TILED_16 0x00000200
+#define OMAP_BO_TILED_32 0x00000300
+#define OMAP_BO_TILED (OMAP_BO_TILED_8 | OMAP_BO_TILED_16 | OMAP_BO_TILED_32)
+
+union omap_gem_size {
+ uint32_t bytes; /* (for non-tiled formats) */
+ struct {
+ uint16_t width;
+ uint16_t height;
+ } tiled; /* (for tiled formats) */
+};
+
+struct drm_omap_gem_new {
+ union omap_gem_size size; /* in */
+ uint32_t flags; /* in */
+ uint32_t handle; /* out */
+ uint32_t __pad;
+};
+
+/* mask of operations: */
+enum omap_gem_op {
+ OMAP_GEM_READ = 0x01,
+ OMAP_GEM_WRITE = 0x02,
+};
+
+struct drm_omap_gem_cpu_prep {
+ uint32_t handle; /* buffer handle (in) */
+ uint32_t op; /* mask of omap_gem_op (in) */
+};
+
+struct drm_omap_gem_cpu_fini {
+ uint32_t handle; /* buffer handle (in) */
+ uint32_t op; /* mask of omap_gem_op (in) */
+ /* TODO maybe here we pass down info about what regions are touched
+ * by sw so we can be clever about cache ops? For now a placeholder,
+ * set to zero and we just do full buffer flush..
+ */
+ uint32_t nregions;
+ uint32_t __pad;
+};
+
+struct drm_omap_gem_info {
+ uint32_t handle; /* buffer handle (in) */
+ uint32_t pad;
+ uint64_t offset; /* mmap offset (out) */
+ /* note: in case of tiled buffers, the user virtual size can be
+ * different from the physical size (ie. how many pages are needed
+ * to back the object) which is returned in DRM_IOCTL_GEM_OPEN..
+ * This size here is the one that should be used if you want to
+ * mmap() the buffer:
+ */
+ uint32_t size; /* virtual size for mmap'ing (out) */
+ uint32_t __pad;
+};
+
+#define DRM_OMAP_GET_PARAM 0x00
+#define DRM_OMAP_SET_PARAM 0x01
+#define DRM_OMAP_GET_BASE 0x02
+#define DRM_OMAP_GEM_NEW 0x03
+#define DRM_OMAP_GEM_CPU_PREP 0x04
+#define DRM_OMAP_GEM_CPU_FINI 0x05
+#define DRM_OMAP_GEM_INFO 0x06
+#define DRM_OMAP_NUM_IOCTLS 0x07
+
+#define DRM_IOCTL_OMAP_GET_PARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_OMAP_GET_PARAM, struct drm_omap_param)
+#define DRM_IOCTL_OMAP_SET_PARAM DRM_IOW (DRM_COMMAND_BASE + DRM_OMAP_SET_PARAM, struct drm_omap_param)
+#define DRM_IOCTL_OMAP_GET_BASE DRM_IOWR(DRM_COMMAND_BASE + DRM_OMAP_GET_BASE, struct drm_omap_get_base)
+#define DRM_IOCTL_OMAP_GEM_NEW DRM_IOWR(DRM_COMMAND_BASE + DRM_OMAP_GEM_NEW, struct drm_omap_gem_new)
+#define DRM_IOCTL_OMAP_GEM_CPU_PREP DRM_IOW (DRM_COMMAND_BASE + DRM_OMAP_GEM_CPU_PREP, struct drm_omap_gem_cpu_prep)
+#define DRM_IOCTL_OMAP_GEM_CPU_FINI DRM_IOW (DRM_COMMAND_BASE + DRM_OMAP_GEM_CPU_FINI, struct drm_omap_gem_cpu_fini)
+#define DRM_IOCTL_OMAP_GEM_INFO DRM_IOWR(DRM_COMMAND_BASE + DRM_OMAP_GEM_INFO, struct drm_omap_gem_info)
+
+#endif /* __OMAP_DRM_H__ */
diff --git a/omap/omap_drmif.h b/omap/omap_drmif.h
new file mode 100644
index 0000000..eb75a80
--- /dev/null
+++ b/omap/omap_drmif.h
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2011 Texas Instruments, Inc
+ *
+ * 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, sublicense,
+ * 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 NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
+ *
+ * Authors:
+ * Rob Clark <rob@xxxxxx>
+ */
+
+#ifndef OMAP_DRMIF_H_
+#define OMAP_DRMIF_H_
+
+#include <xf86drm.h>
+#include <stdint.h>
+#include <omap_drm.h>
+
+struct omap_bo;
+struct omap_device;
+
+/* device related functions:
+ */
+
+struct omap_device * omap_device_new(int fd);
+void omap_device_del(struct omap_device *dev);
+int omap_get_param(struct omap_device *dev, uint64_t param, uint64_t *value);
+int omap_set_param(struct omap_device *dev, uint64_t param, uint64_t value);
+
+/* buffer-object related functions:
+ */
+
+struct omap_bo * omap_bo_new(struct omap_device *dev,
+ uint32_t size, uint32_t flags);
+struct omap_bo * omap_bo_new_tiled(struct omap_device *dev,
+ uint32_t width, uint32_t height, uint32_t flags);
+struct omap_bo * omap_bo_from_name(struct omap_device *dev, uint32_t name);
+void omap_bo_del(struct omap_bo *bo);
+int omap_bo_get_name(struct omap_bo *bo, uint32_t *name);
+uint32_t omap_bo_handle(struct omap_bo *bo);
+uint32_t omap_bo_size(struct omap_bo *bo);
+void * omap_bo_map(struct omap_bo *bo);
+int omap_bo_cpu_prep(struct omap_bo *bo, enum omap_gem_op op);
+int omap_bo_cpu_fini(struct omap_bo *bo, enum omap_gem_op op);
+
+#endif /* OMAP_DRMIF_H_ */
diff --git a/tests/modetest/modetest.c b/tests/modetest/modetest.c
index 229ab8a..1e4ec91 100644
--- a/tests/modetest/modetest.c
+++ b/tests/modetest/modetest.c
@@ -721,7 +721,7 @@ int main(int argc, char **argv)
int c;
int encoders = 0, connectors = 0, crtcs = 0, framebuffers = 0;
int test_vsync = 0;
- char *modules[] = { "i915", "radeon", "nouveau", "vmwgfx" };
+ char *modules[] = { "i915", "radeon", "nouveau", "vmwgfx", "omapdrm" };
char *modeset = NULL;
int i, count = 0;
struct connector con_args[2];
--
1.7.5.4
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