tests/kmstest: support exynos

In this patch, to support exynos for KMS, Exynos KMS driver is newly added.
Also, Exynos is added to the list of kmstest supported modules.

Signed-off-by: Hyungwon Hwang <human.hwang@samsung.com>
Signed-off-by: Rob Clark <robclark@freedesktop.org>

diff --git a/libkms/Makefile.am b/libkms/Makefile.am
index 215450a..449a73b 100644 (file)
--- a/libkms/Makefile.am
+++ b/libkms/Makefile.am
@@ -31,6 +31,11 @@ if HAVE_RADEON
 libkms_la_SOURCES += radeon.c
 endif
 
+if HAVE_EXYNOS
+libkms_la_SOURCES += exynos.c
+AM_CFLAGS += -I$(top_srcdir)/exynos
+endif
+
 libkmsincludedir = ${includedir}/libkms
 libkmsinclude_HEADERS = libkms.h
 

diff --git a/libkms/exynos.c b/libkms/exynos.c
new file mode 100644 (file)
index 0000000..93e36a1
--- /dev/null
+++ b/libkms/exynos.c
@@ -0,0 +1,207 @@
+/* exynos.c
+ *
+ * Copyright 2009 Samsung Electronics Co., Ltd.
+ * Authors:
+ *     SooChan Lim <sc1.lim@samsung.com>
+ *      Sangjin LEE <lsj119@samsung.com>
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+#define HAVE_STDINT_H
+#define _FILE_OFFSET_BITS 64
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "internal.h"
+
+#include <sys/mman.h>
+#include <sys/ioctl.h>
+#include "xf86drm.h"
+
+#include "exynos_drm.h"
+
+struct exynos_bo
+{
+       struct kms_bo base;
+       unsigned map_count;
+};
+
+static int
+exynos_get_prop(struct kms_driver *kms, unsigned key, unsigned *out)
+{
+       switch (key) {
+       case KMS_BO_TYPE:
+               *out = KMS_BO_TYPE_SCANOUT_X8R8G8B8 | KMS_BO_TYPE_CURSOR_64X64_A8R8G8B8;
+               break;
+       default:
+               return -EINVAL;
+       }
+       return 0;
+}
+
+static int
+exynos_destroy(struct kms_driver *kms)
+{
+       free(kms);
+       return 0;
+}
+
+static int
+exynos_bo_create(struct kms_driver *kms,
+                const unsigned width, const unsigned height,
+                const enum kms_bo_type type, const unsigned *attr,
+                struct kms_bo **out)
+{
+       struct drm_exynos_gem_create arg;
+       unsigned size, pitch;
+       struct exynos_bo *bo;
+       int i, ret;
+
+       for (i = 0; attr[i]; i += 2) {
+               switch (attr[i]) {
+               case KMS_WIDTH:
+               case KMS_HEIGHT:
+               case KMS_BO_TYPE:
+                       break;
+               default:
+                       return -EINVAL;
+               }
+       }
+
+       bo = calloc(1, sizeof(*bo));
+       if (!bo)
+               return -ENOMEM;
+
+       if (type == KMS_BO_TYPE_CURSOR_64X64_A8R8G8B8) {
+               pitch = 64 * 4;
+               size = 64 * 64 * 4;
+       } else if (type == KMS_BO_TYPE_SCANOUT_X8R8G8B8) {
+               pitch = width * 4;
+               pitch = (pitch + 512 - 1) & ~(512 - 1);
+               size = pitch * ((height + 4 - 1) & ~(4 - 1));
+       } else {
+               return -EINVAL;
+       }
+
+       memset(&arg, 0, sizeof(arg));
+       arg.size = size;
+
+       ret = drmCommandWriteRead(kms->fd, DRM_EXYNOS_GEM_CREATE, &arg, sizeof(arg));
+       if (ret)
+               goto err_free;
+
+       bo->base.kms = kms;
+       bo->base.handle = arg.handle;
+       bo->base.size = size;
+       bo->base.pitch = pitch;
+
+       *out = &bo->base;
+
+       return 0;
+
+err_free:
+       free(bo);
+       return ret;
+}
+
+static int
+exynos_bo_get_prop(struct kms_bo *bo, unsigned key, unsigned *out)
+{
+       switch (key) {
+       default:
+               return -EINVAL;
+       }
+}
+
+static int
+exynos_bo_map(struct kms_bo *_bo, void **out)
+{
+       struct exynos_bo *bo = (struct exynos_bo *)_bo;
+       struct drm_exynos_gem_map_off arg;
+       void *map = NULL;
+       int ret;
+
+       if (bo->base.ptr) {
+               bo->map_count++;
+               *out = bo->base.ptr;
+               return 0;
+       }
+
+       memset(&arg, 0, sizeof(arg));
+       arg.handle = bo->base.handle;
+
+       ret = drmCommandWriteRead(bo->base.kms->fd, DRM_EXYNOS_GEM_MAP_OFFSET, &arg, sizeof(arg));
+       if (ret)
+               return ret;
+
+       map = mmap(0, bo->base.size, PROT_READ | PROT_WRITE, MAP_SHARED, bo->base.kms->fd, arg.offset);
+       if (map == MAP_FAILED)
+               return -errno;
+
+       bo->base.ptr = map;
+       bo->map_count++;
+       *out = bo->base.ptr;
+
+       return 0;
+}
+
+static int
+exynos_bo_unmap(struct kms_bo *_bo)
+{
+       struct exynos_bo *bo = (struct exynos_bo *)_bo;
+       bo->map_count--;
+       return 0;
+}
+
+static int
+exynos_bo_destroy(struct kms_bo *_bo)
+{
+       struct exynos_bo *bo = (struct exynos_bo *)_bo;
+       struct drm_gem_close arg;
+       int ret;
+
+       if (bo->base.ptr) {
+               /* XXX Sanity check map_count */
+               munmap(bo->base.ptr, bo->base.size);
+               bo->base.ptr = NULL;
+       }
+
+       memset(&arg, 0, sizeof(arg));
+       arg.handle = bo->base.handle;
+
+       ret = drmIoctl(bo->base.kms->fd, DRM_IOCTL_GEM_CLOSE, &arg);
+       if (ret)
+               return -errno;
+
+       free(bo);
+       return 0;
+}
+
+int
+exynos_create(int fd, struct kms_driver **out)
+{
+       struct kms_driver *kms;
+
+       kms = calloc(1, sizeof(*kms));
+       if (!kms)
+               return -ENOMEM;
+
+       kms->fd = fd;
+
+       kms->bo_create = exynos_bo_create;
+       kms->bo_map = exynos_bo_map;
+       kms->bo_unmap = exynos_bo_unmap;
+       kms->bo_get_prop = exynos_bo_get_prop;
+       kms->bo_destroy = exynos_bo_destroy;
+       kms->get_prop = exynos_get_prop;
+       kms->destroy = exynos_destroy;
+       *out = kms;
+
+       return 0;
+}

diff --git a/libkms/internal.h b/libkms/internal.h
index 5e2501e..f831b57 100644 (file)
--- a/libkms/internal.h
+++ b/libkms/internal.h
@@ -74,4 +74,6 @@ int nouveau_create(int fd, struct kms_driver **out);
 
 int radeon_create(int fd, struct kms_driver **out);
 
+int exynos_create(int fd, struct kms_driver **out);
+
 #endif

diff --git a/libkms/linux.c b/libkms/linux.c
index eec0162..9b4f29e 100644 (file)
--- a/libkms/linux.c
+++ b/libkms/linux.c
@@ -115,6 +115,10 @@ linux_from_sysfs(int fd, struct kms_driver **out)
        else if (!strcmp(name, "radeon"))
                ret = radeon_create(fd, out);
 #endif
+#ifdef HAVE_EXYNOS
+       else if (!strcmp(name, "exynos"))
+               ret = exynos_create(fd, out);
+#endif
        else
                ret = -ENOSYS;
 

diff --git a/tests/kmstest/main.c b/tests/kmstest/main.c
index 5df0a38..449d75f 100644 (file)
--- a/tests/kmstest/main.c
+++ b/tests/kmstest/main.c
@@ -61,6 +61,7 @@ char *drivers[] = {
        "radeon",
        "nouveau",
        "vmwgfx",
+       "exynos",
        NULL
 };