libkms: Add libkms

1 files changed, 124 insertions, 0 deletions

diff --git a/libkms/api.c b/libkms/api.c
new file mode 100644
index 00000000..f15ee70b
--- /dev/null
+++ b/libkms/api.c
@@ -0,0 +1,124 @@
+/**************************************************************************
+ *
+ * Copyright © 2009 VMware, Inc., Palo Alto, CA., 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 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
+ * 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.
+ *
+ **************************************************************************/
+
+
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#include "internal.h"
+
+int kms_create(int fd, struct kms_driver **out)
+{
+	return vmwgfx_create(fd, out);
+}
+
+int kms_get_prop(struct kms_driver *kms, unsigned key, unsigned *out)
+{
+	switch (key) {
+	case KMS_MAX_SCANOUT_WIDTH:
+	case KMS_MAX_SCANOUT_HEIGHT:
+	case KMS_MIN_SCANOUT_WIDTH:
+	case KMS_MIN_SCANOUT_HEIGHT:
+	case KMS_MAX_CURSOR_WIDTH:
+	case KMS_MAX_CURSOR_HEIGHT:
+	case KMS_MIN_CURSOR_WIDTH:
+	case KMS_MIN_CURSOR_HEIGHT:
+		break;
+	default:
+		return -EINVAL;
+	}
+	return kms->get_prop(kms, key, out);
+}
+
+int kms_destroy(struct kms_driver *kms)
+{
+	free(kms);
+	return 0;
+}
+
+int kms_bo_create(struct kms_driver *kms, const unsigned *attr, struct kms_bo **out)
+{
+	unsigned width = 0;
+	unsigned height = 0;
+	enum kms_bo_type type = KMS_BO_TYPE_SCANOUT;
+	int i;
+
+	for (i = 0; attr[i];) {
+		unsigned key = attr[i++];
+		unsigned value = attr[i++];
+
+		switch (key) {
+		case KMS_WIDTH:
+			width = value;
+			break;
+		case KMS_HEIGHT:
+			height = value;
+			break;
+		case KMS_BO_TYPE:
+			type = value;
+			break;
+		default:
+			return EINVAL;
+		}
+	}
+
+	if (width == 0 || height == 0)
+		return -EINVAL;
+
+	return kms->bo_create(kms, width, height, type, attr, out);
+}
+
+int kms_bo_get_prop(struct kms_bo *bo, unsigned key, unsigned *out)
+{
+	switch (key) {
+	case KMS_PITCH:
+		*out = bo->pitch;
+		break;
+	case KMS_HANDLE:
+		*out = bo->handle;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+int kms_bo_map(struct kms_bo *bo, void **out)
+{
+	return bo->kms->bo_map(bo, out);
+}
+
+int kms_bo_unmap(struct kms_bo *bo)
+{
+	return bo->kms->bo_unmap(bo);
+}
+
+int kms_bo_destroy(struct kms_bo *bo)
+{
+	return bo->kms->bo_destroy(bo);
+}