Blame libkms/api.c

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/**************************************************************************
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 *
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 * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA
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 * All Rights Reserved.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the
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 * "Software"), to deal in the Software without restriction, including
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 * without limitation the rights to use, copy, modify, merge, publish,
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 * distribute, sub license, and/or sell copies of the Software, and to
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 * permit persons to whom the Software is furnished to do so, subject to
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 * the following conditions:
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 *
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 * The above copyright notice and this permission notice (including the
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 * next paragraph) shall be included in all copies or substantial portions
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 * of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
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 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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 * USE OR OTHER DEALINGS IN THE SOFTWARE.
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 *
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 **************************************************************************/
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#include <errno.h>
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#include <stdlib.h>
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#include <string.h>
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#include "libdrm_macros.h"
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#include "internal.h"
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drm_public int kms_create(int fd, struct kms_driver **out)
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{
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	return linux_create(fd, out);
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}
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drm_public int kms_get_prop(struct kms_driver *kms, unsigned key, unsigned *out)
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{
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	switch (key) {
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	case KMS_BO_TYPE:
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		break;
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	default:
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		return -EINVAL;
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	}
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	return kms->get_prop(kms, key, out);
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}
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drm_public int kms_destroy(struct kms_driver **kms)
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{
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	if (!(*kms))
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		return 0;
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	free(*kms);
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	*kms = NULL;
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	return 0;
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}
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drm_public int kms_bo_create(struct kms_driver *kms, const unsigned *attr, struct kms_bo **out)
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{
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	unsigned width = 0;
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	unsigned height = 0;
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	enum kms_bo_type type = KMS_BO_TYPE_SCANOUT_X8R8G8B8;
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	int i;
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	for (i = 0; attr[i];) {
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		unsigned key = attr[i++];
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		unsigned value = attr[i++];
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		switch (key) {
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		case KMS_WIDTH:
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			width = value;
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			break;
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		case KMS_HEIGHT:
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			height = value;
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			break;
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		case KMS_BO_TYPE:
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			type = value;
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			break;
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		default:
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			return -EINVAL;
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		}
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	}
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	if (width == 0 || height == 0)
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		return -EINVAL;
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	/* XXX sanity check type */
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	if (type == KMS_BO_TYPE_CURSOR_64X64_A8R8G8B8 &&
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	    (width != 64 || height != 64))
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		return -EINVAL;
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	return kms->bo_create(kms, width, height, type, attr, out);
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}
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drm_public int kms_bo_get_prop(struct kms_bo *bo, unsigned key, unsigned *out)
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{
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	switch (key) {
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	case KMS_PITCH:
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		*out = bo->pitch;
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		break;
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	case KMS_HANDLE:
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		*out = bo->handle;
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		break;
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	default:
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		return -EINVAL;
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	}
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	return 0;
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}
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drm_public int kms_bo_map(struct kms_bo *bo, void **out)
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{
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	return bo->kms->bo_map(bo, out);
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}
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drm_public int kms_bo_unmap(struct kms_bo *bo)
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{
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	return bo->kms->bo_unmap(bo);
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}
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drm_public int kms_bo_destroy(struct kms_bo **bo)
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{
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	int ret;
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	if (!(*bo))
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		return 0;
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	ret = (*bo)->kms->bo_destroy(*bo);
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	if (ret)
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		return ret;
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	*bo = NULL;
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	return 0;
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}