[PATCH v2] libdrm: add exynos drm support
daeinki at gmail.com
daeinki at gmail.com
Sat May 12 09:33:18 PDT 2012
2012. 5. 13. 오전 12:05 Rob Clark <rob.clark at linaro.org> 작성:
> Ok, I've pushed this with a couple minor cleanups:
>
> 1) remove .pc file (which is generated from .pc.in file)
> 2) below patch to fix a compile error (maybe not seen w/ older gcc?)
> 3) remove DRM_IOCTL_EXYNOS_GEM_USERPTR because I think that part is
> still being debated on kernel side.. it can be added back in another
> patch once there is a conclusion on the kernel side
yes, right. I should have removed USERPTR ioctl but I missed it and also thank you for cleanup.
Thanks,
Inki Dae
>
> ---------
> diff --git a/exynos/exynos_drmif.h b/exynos/exynos_drmif.h
> index 7e8347a..92f613e 100644
> --- a/exynos/exynos_drmif.h
> +++ b/exynos/exynos_drmif.h
> @@ -66,7 +66,7 @@ void exynos_device_destroy(struct exynos_device *dev);
> * buffer-object related functions:
> */
> struct exynos_bo * exynos_bo_create(struct exynos_device *dev,
> - uint32_t size, uint32_t flags);
> + size_t size, uint32_t flags);
> int exynos_bo_get_info(struct exynos_device *dev, uint32_t handle,
> size_t *size, uint32_t *flags);
> void exynos_bo_destroy(struct exynos_bo *bo);
> ---------
>
> BR,
> -R
>
> On Fri, May 4, 2012 at 5:13 AM, Inki Dae <inki.dae at samsung.com> wrote:
>> this patch adds libdrm_exynos helper layer that inclues some intefaces
>> for exynos specific gem and virtual display driver and also adds exynos
>> module name to modtest and vbltest.
>>
>> Changelog v2:
>> - fixed exynos broken ioctl.
>> the pointer of uint64_t *edid should be removed.
>> - removed unnecessary definitions.
>> - added drm prime interfaces.
>> this feature is used to share a buffer between drivers or memory managers
>> and for this, please, refer to below links:
>> http://www.mjmwired.net/kernel/Documentation/dma-buf-sharing.txt
>> http://lwn.net/Articles/488664/
>>
>> this patch is based on a link below:
>> git://anongit.freedesktop.org/mesa/drm
>> commit id: d72a44c7c4f5eea9c1e5bb0c36cb9e0224b9ca22
>>
>> Reviewed-by: Rob Clark <rob at ti.com>
>> Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
>> Signed-off-by: Inki Dae <inki.dae at samsung.com>
>> Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
>> ---
>> Makefile.am | 6 +-
>> configure.ac | 13 ++
>> exynos/Makefile.am | 22 +++
>> exynos/exynos_drm.c | 396 ++++++++++++++++++++++++++++++++++++++++++++
>> exynos/exynos_drm.h | 149 +++++++++++++++++
>> exynos/exynos_drmif.h | 88 ++++++++++
>> exynos/libdrm_exynos.pc | 11 ++
>> exynos/libdrm_exynos.pc.in | 11 ++
>> tests/modetest/modetest.c | 2 +-
>> tests/vbltest/vbltest.c | 2 +-
>> 10 files changed, 697 insertions(+), 3 deletions(-)
>> create mode 100644 exynos/Makefile.am
>> create mode 100644 exynos/exynos_drm.c
>> create mode 100644 exynos/exynos_drm.h
>> create mode 100644 exynos/exynos_drmif.h
>> create mode 100644 exynos/libdrm_exynos.pc
>> create mode 100644 exynos/libdrm_exynos.pc.in
>>
>> diff --git a/Makefile.am b/Makefile.am
>> index 4f625a1..256a8cc 100644
>> --- a/Makefile.am
>> +++ b/Makefile.am
>> @@ -45,7 +45,11 @@ if HAVE_OMAP
>> OMAP_SUBDIR = omap
>> endif
>>
>> -SUBDIRS = . $(LIBKMS_SUBDIR) $(INTEL_SUBDIR) $(NOUVEAU_SUBDIR) $(RADEON_SUBDIR) $(OMAP_SUBDIR) tests include
>> +if HAVE_EXYNOS
>> +EXYNOS_SUBDIR = exynos
>> +endif
>> +
>> +SUBDIRS = . $(LIBKMS_SUBDIR) $(INTEL_SUBDIR) $(NOUVEAU_SUBDIR) $(RADEON_SUBDIR) $(OMAP_SUBDIR) $(EXYNOS_SUBDIR) tests include
>>
>> libdrm_la_LTLIBRARIES = libdrm.la
>> libdrm_ladir = $(libdir)
>> diff --git a/configure.ac b/configure.ac
>> index 6a1d98e..f832201 100644
>> --- a/configure.ac
>> +++ b/configure.ac
>> @@ -88,6 +88,11 @@ AC_ARG_ENABLE(omap-experimental-api,
>> [Enable support for OMAP's experimental API (default: disabled)]),
>> [OMAP=$enableval], [OMAP=no])
>>
>> +AC_ARG_ENABLE(exynos-experimental-api,
>> + AS_HELP_STRING([--enable-exynos-experimental-api],
>> + [Enable support for EXYNOS's experimental API (default: disabled)]),
>> + [EXYNOS=$enableval], [EXYNOS=no])
>> +
>> dnl ===========================================================================
>> dnl check compiler flags
>> AC_DEFUN([LIBDRM_CC_TRY_FLAG], [
>> @@ -191,6 +196,11 @@ if test "x$OMAP" = xyes; then
>> AC_DEFINE(HAVE_OMAP, 1, [Have OMAP support])
>> fi
>>
>> +AM_CONDITIONAL(HAVE_EXYNOS, [test "x$EXYNOS" = xyes])
>> +if test "x$EXYNOS" = xyes; then
>> + AC_DEFINE(HAVE_EXYNOS, 1, [Have EXYNOS 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])
>> @@ -313,6 +323,8 @@ AC_CONFIG_FILES([
>> nouveau/libdrm_nouveau.pc
>> omap/Makefile
>> omap/libdrm_omap.pc
>> + exynos/Makefile
>> + exynos/libdrm_exynos.pc
>> tests/Makefile
>> tests/modeprint/Makefile
>> tests/modetest/Makefile
>> @@ -333,4 +345,5 @@ echo " vmwgfx API $VMWGFX"
>> echo " Radeon API $RADEON"
>> echo " Nouveau API $NOUVEAU"
>> echo " OMAP API $OMAP"
>> +echo " EXYNOS API $EXYNOS"
>> echo ""
>> diff --git a/exynos/Makefile.am b/exynos/Makefile.am
>> new file mode 100644
>> index 0000000..e782d34
>> --- /dev/null
>> +++ b/exynos/Makefile.am
>> @@ -0,0 +1,22 @@
>> +AM_CFLAGS = \
>> + $(WARN_CFLAGS) \
>> + -I$(top_srcdir) \
>> + -I$(top_srcdir)/exynos \
>> + $(PTHREADSTUBS_CFLAGS) \
>> + -I$(top_srcdir)/include/drm
>> +
>> +libdrm_exynos_la_LTLIBRARIES = libdrm_exynos.la
>> +libdrm_exynos_ladir = $(libdir)
>> +libdrm_exynos_la_LDFLAGS = -version-number 1:0:0 -no-undefined
>> +libdrm_exynos_la_LIBADD = ../libdrm.la @PTHREADSTUBS_LIBS@
>> +
>> +libdrm_exynos_la_SOURCES = exynos_drm.c
>> +
>> +libdrm_exynoscommonincludedir = ${includedir}/exynos
>> +libdrm_exynoscommoninclude_HEADERS = exynos_drm.h
>> +
>> +libdrm_exynosincludedir = ${includedir}/libdrm
>> +libdrm_exynosinclude_HEADERS = exynos_drmif.h
>> +
>> +pkgconfigdir = @pkgconfigdir@
>> +pkgconfig_DATA = libdrm_exynos.pc
>> diff --git a/exynos/exynos_drm.c b/exynos/exynos_drm.c
>> new file mode 100644
>> index 0000000..4db755e
>> --- /dev/null
>> +++ b/exynos/exynos_drm.c
>> @@ -0,0 +1,396 @@
>> +/*
>> + * Copyright (C) 2012 Samsung Electronics Co., Ltd.
>> + *
>> + * 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:
>> + * Inki Dae <inki.dae at samsung.com>
>> + */
>> +
>> +#ifdef HAVE_CONFIG_H
>> +#include "config.h"
>> +#endif
>> +
>> +#include <stdlib.h>
>> +#include <stdio.h>
>> +#include <string.h>
>> +#include <errno.h>
>> +
>> +#include <sys/mman.h>
>> +#include <linux/stddef.h>
>> +
>> +#include <xf86drm.h>
>> +
>> +#include "exynos_drm.h"
>> +#include "exynos_drmif.h"
>> +
>> +/*
>> + * Create exynos drm device object.
>> + *
>> + * @fd: file descriptor to exynos drm driver opened.
>> + *
>> + * if true, return the device object else NULL.
>> + */
>> +struct exynos_device * exynos_device_create(int fd)
>> +{
>> + struct exynos_device *dev;
>> +
>> + dev = calloc(sizeof(*dev), 1);
>> + if (!dev) {
>> + fprintf(stderr, "failed to create device[%s].\n",
>> + strerror(errno));
>> + return NULL;
>> + }
>> +
>> + dev->fd = fd;
>> +
>> + return dev;
>> +}
>> +
>> +/*
>> + * Destroy exynos drm device object
>> + *
>> + * @dev: exynos drm device object.
>> + */
>> +void exynos_device_destroy(struct exynos_device *dev)
>> +{
>> + free(dev);
>> +}
>> +
>> +/*
>> + * Create a exynos buffer object to exynos drm device.
>> + *
>> + * @dev: exynos drm device object.
>> + * @size: user-desired size.
>> + * flags: user-desired memory type.
>> + * user can set one or more types among several types to memory
>> + * allocation and cache attribute types. and as default,
>> + * EXYNOS_BO_NONCONTIG and EXYNOS-BO_NONCACHABLE types would
>> + * be used.
>> + *
>> + * if true, return a exynos buffer object else NULL.
>> + */
>> +struct exynos_bo * exynos_bo_create(struct exynos_device *dev,
>> + size_t size, uint32_t flags)
>> +{
>> + struct exynos_bo *bo;
>> + struct drm_exynos_gem_create req = {
>> + .size = size,
>> + .flags = flags,
>> + };
>> +
>> + if (size == 0) {
>> + fprintf(stderr, "invalid size.\n");
>> + goto fail;
>> + }
>> +
>> + bo = calloc(sizeof(*bo), 1);
>> + if (!bo) {
>> + fprintf(stderr, "failed to create bo[%s].\n",
>> + strerror(errno));
>> + goto err_free_bo;
>> + }
>> +
>> + bo->dev = dev;
>> +
>> + if (drmIoctl(dev->fd, DRM_IOCTL_EXYNOS_GEM_CREATE, &req)){
>> + fprintf(stderr, "failed to create gem object[%s].\n",
>> + strerror(errno));
>> + goto err_free_bo;
>> + }
>> +
>> + bo->handle = req.handle;
>> + bo->size = size;
>> + bo->flags = flags;
>> +
>> + return bo;
>> +
>> +err_free_bo:
>> + free(bo);
>> +fail:
>> + return NULL;
>> +}
>> +
>> +/*
>> + * Get information to gem region allocated.
>> + *
>> + * @dev: exynos drm device object.
>> + * @handle: gem handle to request gem info.
>> + * @size: size to gem object and returned by kernel side.
>> + * @flags: gem flags to gem object and returned by kernel side.
>> + *
>> + * with this function call, you can get flags and size to gem handle
>> + * through bo object.
>> + *
>> + * if true, return 0 else negative.
>> + */
>> +int exynos_bo_get_info(struct exynos_device *dev, uint32_t handle,
>> + size_t *size, uint32_t *flags)
>> +{
>> + int ret;
>> + struct drm_exynos_gem_info req = {
>> + .handle = handle,
>> + };
>> +
>> + ret = drmIoctl(dev->fd, DRM_IOCTL_EXYNOS_GEM_GET, &req);
>> + if (ret < 0) {
>> + fprintf(stderr, "failed to get gem object information[%s].\n",
>> + strerror(errno));
>> + return ret;
>> + }
>> +
>> + *size = req.size;
>> + *flags = req.flags;
>> +
>> + return 0;
>> +}
>> +
>> +/*
>> + * Destroy a exynos buffer object.
>> + *
>> + * @bo: a exynos buffer object to be destroyed.
>> + */
>> +void exynos_bo_destroy(struct exynos_bo *bo)
>> +{
>> + if (!bo)
>> + return;
>> +
>> + if (bo->vaddr)
>> + munmap(bo->vaddr, 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 a exynos buffer object from a gem global object name.
>> + *
>> + * @dev: a exynos device object.
>> + * @name: a gem global object name exported by another process.
>> + *
>> + * this interface is used to get a exynos buffer object from a gem
>> + * global object name sent by another process for buffer sharing.
>> + *
>> + * if true, return a exynos buffer object else NULL.
>> + *
>> + */
>> +struct exynos_bo * exynos_bo_from_name(struct exynos_device *dev, uint32_t name)
>> +{
>> + struct exynos_bo *bo;
>> + struct drm_gem_open req = {
>> + .name = name,
>> + };
>> +
>> + bo = calloc(sizeof(*bo), 1);
>> + if (!bo) {
>> + fprintf(stderr, "failed to allocate bo[%s].\n",
>> + strerror(errno));
>> + return NULL;
>> + }
>> +
>> + if (drmIoctl(dev->fd, DRM_IOCTL_GEM_OPEN, &req)) {
>> + fprintf(stderr, "failed to open gem object[%s].\n",
>> + strerror(errno));
>> + goto err_free_bo;
>> + }
>> +
>> + bo->dev = dev;
>> + bo->name = name;
>> + bo->handle = req.handle;
>> +
>> + return bo;
>> +
>> +err_free_bo:
>> + free(bo);
>> + return NULL;
>> +}
>> +
>> +/*
>> + * Get a gem global object name from a gem object handle.
>> + *
>> + * @bo: a exynos buffer object including gem handle.
>> + * @name: a gem global object name to be got by kernel driver.
>> + *
>> + * this interface is used to get a gem global object name from a gem object
>> + * handle to a buffer that wants to share it with another process.
>> + *
>> + * if true, return 0 else negative.
>> + */
>> +int exynos_bo_get_name(struct exynos_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) {
>> + fprintf(stderr, "failed to get gem global name[%s].\n",
>> + strerror(errno));
>> + return ret;
>> + }
>> +
>> + bo->name = req.name;
>> + }
>> +
>> + *name = bo->name;
>> +
>> + return 0;
>> +}
>> +
>> +uint32_t exynos_bo_handle(struct exynos_bo *bo)
>> +{
>> + return bo->handle;
>> +}
>> +
>> +/*
>> + * Mmap a buffer to user space.
>> + *
>> + * @bo: a exynos buffer object including a gem object handle to be mmapped
>> + * to user space.
>> + *
>> + * if true, user pointer mmaped else NULL.
>> + */
>> +void *exynos_bo_map(struct exynos_bo *bo)
>> +{
>> + if (!bo->vaddr) {
>> + struct exynos_device *dev = bo->dev;
>> + struct drm_exynos_gem_mmap req = {
>> + .handle = bo->handle,
>> + .size = bo->size,
>> + };
>> + int ret;
>> +
>> + ret = drmIoctl(dev->fd, DRM_IOCTL_EXYNOS_GEM_MMAP, &req);
>> + if (ret) {
>> + fprintf(stderr, "failed to mmap[%s].\n",
>> + strerror(errno));
>> + return NULL;
>> + }
>> +
>> + bo->vaddr = req.mapped;
>> + }
>> +
>> + return bo->vaddr;
>> +}
>> +
>> +/*
>> + * Export gem object to dmabuf as file descriptor.
>> + *
>> + * @dev: a exynos device object.
>> + * @handle: gem handle to be exported into dmabuf as file descriptor.
>> + * @fd: file descriptor to dmabuf exported from gem handle and
>> + * returned by kernel side.
>> + *
>> + * if true, return 0 else negative.
>> + */
>> +int exynos_prime_handle_to_fd(struct exynos_device *dev, uint32_t handle,
>> + int *fd)
>> +{
>> + int ret;
>> + struct drm_prime_handle req = {
>> + .handle = handle,
>> + };
>> +
>> + ret = drmIoctl(dev->fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &req);
>> + if (ret) {
>> + fprintf(stderr, "failed to mmap[%s].\n",
>> + strerror(errno));
>> + return ret;
>> + }
>> +
>> + *fd = req.fd;
>> + return 0;
>> +}
>> +
>> +/*
>> + * Import file descriptor into gem handle.
>> + *
>> + * @dev: a exynos device object.
>> + * @fd: file descriptor exported into dmabuf.
>> + * @handle: gem handle to gem object imported from file descriptor
>> + * and returned by kernel side.
>> + *
>> + * if true, return 0 else negative.
>> + */
>> +int exynos_prime_fd_to_handle(struct exynos_device *dev, int fd,
>> + uint32_t *handle)
>> +{
>> + int ret;
>> + struct drm_prime_handle req = {
>> + .fd = fd,
>> + };
>> +
>> + ret = drmIoctl(dev->fd, DRM_IOCTL_PRIME_FD_TO_HANDLE, &req);
>> + if (ret) {
>> + fprintf(stderr, "failed to mmap[%s].\n",
>> + strerror(errno));
>> + return ret;
>> + }
>> +
>> + *handle = req.handle;
>> + return 0;
>> +}
>> +
>> +
>> +
>> +/*
>> + * Request Wireless Display connection or disconnection.
>> + *
>> + * @dev: a exynos device object.
>> + * @connect: indicate whether connectoin or disconnection request.
>> + * @ext: indicate whether edid data includes extentions data or not.
>> + * @edid: a pointer to edid data from Wireless Display device.
>> + *
>> + * this interface is used to request Virtual Display driver connection or
>> + * disconnection. for this, user should get a edid data from the Wireless
>> + * Display device and then send that data to kernel driver with connection
>> + * request
>> + *
>> + * if true, return 0 else negative.
>> + */
>> +int exynos_vidi_connection(struct exynos_device *dev, uint32_t connect,
>> + uint32_t ext, void *edid)
>> +{
>> + struct drm_exynos_vidi_connection req = {
>> + .connection = connect,
>> + .extensions = ext,
>> + .edid = edid,
>> + };
>> + int ret;
>> +
>> + ret = drmIoctl(dev->fd, DRM_IOCTL_EXYNOS_VIDI_CONNECTION, &req);
>> + if (ret) {
>> + fprintf(stderr, "failed to request vidi connection[%s].\n",
>> + strerror(errno));
>> + return ret;
>> + }
>> +
>> + return 0;
>> +}
>> diff --git a/exynos/exynos_drm.h b/exynos/exynos_drm.h
>> new file mode 100644
>> index 0000000..8786b92
>> --- /dev/null
>> +++ b/exynos/exynos_drm.h
>> @@ -0,0 +1,149 @@
>> +/* exynos_drm.h
>> + *
>> + * Copyright (c) 2011 Samsung Electronics Co., Ltd.
>> + * Authors:
>> + * Inki Dae <inki.dae at samsung.com>
>> + * Joonyoung Shim <jy0922.shim at samsung.com>
>> + * Seung-Woo Kim <sw0312.kim at 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, 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
>> + * VA LINUX SYSTEMS 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 _EXYNOS_DRM_H_
>> +#define _EXYNOS_DRM_H_
>> +
>> +#include "drm.h"
>> +
>> +/**
>> + * User-desired buffer creation information structure.
>> + *
>> + * @size: user-desired memory allocation size.
>> + * - this size value would be page-aligned internally.
>> + * @flags: user request for setting memory type or cache attributes.
>> + * @handle: returned a handle to created gem object.
>> + * - this handle will be set by gem module of kernel side.
>> + */
>> +struct drm_exynos_gem_create {
>> + uint64_t size;
>> + unsigned int flags;
>> + unsigned int handle;
>> +};
>> +
>> +/**
>> + * A structure for getting buffer offset.
>> + *
>> + * @handle: a pointer to gem object created.
>> + * @pad: just padding to be 64-bit aligned.
>> + * @offset: relatived offset value of the memory region allocated.
>> + * - this value should be set by user.
>> + */
>> +struct drm_exynos_gem_map_off {
>> + unsigned int handle;
>> + unsigned int pad;
>> + uint64_t offset;
>> +};
>> +
>> +/**
>> + * A structure for mapping buffer.
>> + *
>> + * @handle: a handle to gem object created.
>> + * @size: memory size to be mapped.
>> + * @mapped: having user virtual address mmaped.
>> + * - this variable would be filled by exynos gem module
>> + * of kernel side with user virtual address which is allocated
>> + * by do_mmap().
>> + */
>> +struct drm_exynos_gem_mmap {
>> + unsigned int handle;
>> + unsigned int size;
>> + uint64_t mapped;
>> +};
>> +
>> +/**
>> + * A structure to gem information.
>> + *
>> + * @handle: a handle to gem object created.
>> + * @flags: flag value including memory type and cache attribute and
>> + * this value would be set by driver.
>> + * @size: size to memory region allocated by gem and this size would
>> + * be set by driver.
>> + */
>> +struct drm_exynos_gem_info {
>> + unsigned int handle;
>> + unsigned int flags;
>> + uint64_t size;
>> +};
>> +
>> +/**
>> + * A structure for user connection request of virtual display.
>> + *
>> + * @connection: indicate whether doing connetion or not by user.
>> + * @extensions: if this value is 1 then the vidi driver would need additional
>> + * 128bytes edid data.
>> + * @edid: the edid data pointer from user side.
>> + */
>> +struct drm_exynos_vidi_connection {
>> + unsigned int connection;
>> + unsigned int extensions;
>> + uint64_t edid;
>> +};
>> +
>> +/* memory type definitions. */
>> +enum e_drm_exynos_gem_mem_type {
>> + /* Physically Continuous memory and used as default. */
>> + EXYNOS_BO_CONTIG = 0 << 0,
>> + /* Physically Non-Continuous memory. */
>> + EXYNOS_BO_NONCONTIG = 1 << 0,
>> + /* non-cachable mapping and used as default. */
>> + EXYNOS_BO_NONCACHABLE = 0 << 1,
>> + /* cachable mapping. */
>> + EXYNOS_BO_CACHABLE = 1 << 1,
>> + /* write-combine mapping. */
>> + EXYNOS_BO_WC = 1 << 2,
>> + EXYNOS_BO_MASK = EXYNOS_BO_NONCONTIG | EXYNOS_BO_CACHABLE |
>> + EXYNOS_BO_WC
>> +};
>> +
>> +#define DRM_EXYNOS_GEM_CREATE 0x00
>> +#define DRM_EXYNOS_GEM_MAP_OFFSET 0x01
>> +#define DRM_EXYNOS_GEM_MMAP 0x02
>> +/* Reserved 0x04 ~ 0x05 for exynos specific gem ioctl */
>> +#define DRM_EXYNOS_GEM_GET 0x04
>> +#define DRM_EXYNOS_VIDI_CONNECTION 0x07
>> +
>> +#define DRM_IOCTL_EXYNOS_GEM_CREATE DRM_IOWR(DRM_COMMAND_BASE + \
>> + DRM_EXYNOS_GEM_CREATE, struct drm_exynos_gem_create)
>> +
>> +#define DRM_IOCTL_EXYNOS_GEM_MAP_OFFSET DRM_IOWR(DRM_COMMAND_BASE + \
>> + DRM_EXYNOS_GEM_MAP_OFFSET, struct drm_exynos_gem_map_off)
>> +
>> +#define DRM_IOCTL_EXYNOS_GEM_MMAP DRM_IOWR(DRM_COMMAND_BASE + \
>> + DRM_EXYNOS_GEM_MMAP, struct drm_exynos_gem_mmap)
>> +
>> +#define DRM_IOCTL_EXYNOS_GEM_USERPTR DRM_IOWR(DRM_COMMAND_BASE + \
>> + DRM_EXYNOS_GEM_USERPTR, struct drm_exynos_gem_userptr)
>> +
>> +#define DRM_IOCTL_EXYNOS_GEM_GET DRM_IOWR(DRM_COMMAND_BASE + \
>> + DRM_EXYNOS_GEM_GET, struct drm_exynos_gem_info)
>> +
>> +#define DRM_IOCTL_EXYNOS_VIDI_CONNECTION DRM_IOWR(DRM_COMMAND_BASE + \
>> + DRM_EXYNOS_VIDI_CONNECTION, struct drm_exynos_vidi_connection)
>> +
>> +#endif
>> diff --git a/exynos/exynos_drmif.h b/exynos/exynos_drmif.h
>> new file mode 100644
>> index 0000000..7e8347a
>> --- /dev/null
>> +++ b/exynos/exynos_drmif.h
>> @@ -0,0 +1,88 @@
>> +/*
>> + * Copyright (C) 2012 Samsung Electronics Co., Ltd.
>> + *
>> + * 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:
>> + * Inki Dae <inki.dae at samsung.com>
>> + */
>> +
>> +#ifndef EXYNOS_DRMIF_H_
>> +#define EXYNOS_DRMIF_H_
>> +
>> +#include <xf86drm.h>
>> +#include <stdint.h>
>> +#include "exynos_drm.h"
>> +
>> +struct exynos_device {
>> + int fd;
>> +};
>> +
>> +/*
>> + * Exynos Buffer Object structure.
>> + *
>> + * @dev: exynos device object allocated.
>> + * @handle: a gem handle to gem object created.
>> + * @flags: indicate memory allocation and cache attribute types.
>> + * @fd: file descriptor exported into dmabuf.
>> + * @size: size to the buffer created.
>> + * @vaddr: user space address to a gem buffer mmaped.
>> + * @name: a gem global handle from flink request.
>> + */
>> +struct exynos_bo {
>> + struct exynos_device *dev;
>> + uint32_t handle;
>> + uint32_t flags;
>> + int fd;
>> + size_t size;
>> + void *vaddr;
>> + uint32_t name;
>> +};
>> +
>> +/*
>> + * device related functions:
>> + */
>> +struct exynos_device * exynos_device_create(int fd);
>> +void exynos_device_destroy(struct exynos_device *dev);
>> +
>> +/*
>> + * buffer-object related functions:
>> + */
>> +struct exynos_bo * exynos_bo_create(struct exynos_device *dev,
>> + uint32_t size, uint32_t flags);
>> +int exynos_bo_get_info(struct exynos_device *dev, uint32_t handle,
>> + size_t *size, uint32_t *flags);
>> +void exynos_bo_destroy(struct exynos_bo *bo);
>> +struct exynos_bo * exynos_bo_from_name(struct exynos_device *dev, uint32_t name);
>> +int exynos_bo_get_name(struct exynos_bo *bo, uint32_t *name);
>> +uint32_t exynos_bo_handle(struct exynos_bo *bo);
>> +void * exynos_bo_map(struct exynos_bo *bo);
>> +int exynos_prime_handle_to_fd(struct exynos_device *dev, uint32_t handle,
>> + int *fd);
>> +int exynos_prime_fd_to_handle(struct exynos_device *dev, int fd,
>> + uint32_t *handle);
>> +
>> +/*
>> + * Virtual Display related functions:
>> + */
>> +int exynos_vidi_connection(struct exynos_device *dev, uint32_t connect,
>> + uint32_t ext, void *edid);
>> +
>> +#endif /* EXYNOS_DRMIF_H_ */
>> diff --git a/exynos/libdrm_exynos.pc b/exynos/libdrm_exynos.pc
>> new file mode 100644
>> index 0000000..434dc3f
>> --- /dev/null
>> +++ b/exynos/libdrm_exynos.pc
>> @@ -0,0 +1,11 @@
>> +prefix=/home/daeinki/project/share
>> +exec_prefix=${prefix}
>> +libdir=${exec_prefix}/lib
>> +includedir=${prefix}/include
>> +
>> +Name: libdrm_exynos
>> +Description: Userspace interface to exynos kernel DRM services
>> +Version: 0.6
>> +Libs: -L${libdir} -ldrm_exynos
>> +Cflags: -I${includedir} -I${includedir}/libdrm -I${includedir}/exynos
>> +Requires.private: libdrm
>> diff --git a/exynos/libdrm_exynos.pc.in b/exynos/libdrm_exynos.pc.in
>> new file mode 100644
>> index 0000000..5ce9118
>> --- /dev/null
>> +++ b/exynos/libdrm_exynos.pc.in
>> @@ -0,0 +1,11 @@
>> +prefix=@prefix@
>> +exec_prefix=@exec_prefix@
>> +libdir=@libdir@
>> +includedir=@includedir@
>> +
>> +Name: libdrm_exynos
>> +Description: Userspace interface to exynos kernel DRM services
>> +Version: 0.6
>> +Libs: -L${libdir} -ldrm_exynos
>> +Cflags: -I${includedir} -I${includedir}/libdrm -I${includedir}/exynos
>> +Requires.private: libdrm
>> diff --git a/tests/modetest/modetest.c b/tests/modetest/modetest.c
>> index 5784622..8012ecc 100644
>> --- a/tests/modetest/modetest.c
>> +++ b/tests/modetest/modetest.c
>> @@ -1099,7 +1099,7 @@ int main(int argc, char **argv)
>> int c;
>> int encoders = 0, connectors = 0, crtcs = 0, planes = 0, framebuffers = 0;
>> int test_vsync = 0;
>> - char *modules[] = { "i915", "radeon", "nouveau", "vmwgfx", "omapdrm" };
>> + char *modules[] = { "i915", "radeon", "nouveau", "vmwgfx", "omapdrm", "exynos" };
>> unsigned int i;
>> int count = 0, plane_count = 0;
>> struct connector con_args[2];
>> diff --git a/tests/vbltest/vbltest.c b/tests/vbltest/vbltest.c
>> index 903ca0f..4fccd59 100644
>> --- a/tests/vbltest/vbltest.c
>> +++ b/tests/vbltest/vbltest.c
>> @@ -103,7 +103,7 @@ static void usage(char *name)
>> int main(int argc, char **argv)
>> {
>> int i, c, fd, ret;
>> - char *modules[] = { "i915", "radeon", "nouveau", "vmwgfx" };
>> + char *modules[] = { "i915", "radeon", "nouveau", "vmwgfx", "exynos" };
>> drmVBlank vbl;
>> drmEventContext evctx;
>> struct vbl_info handler_info;
>> --
>> 1.7.4.1
>>
>> _______________________________________________
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>> dri-devel at lists.freedesktop.org
>> http://lists.freedesktop.org/mailman/listinfo/dri-devel
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