1/*
 2 * Copyright 2014 Canonical
 3 *
 4 * Permission is hereby granted, free of charge, to any person obtaining a
 5 * copy of this software and associated documentation files (the "Software"),
 6 * to deal in the Software without restriction, including without limitation
 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 8 * and/or sell copies of the Software, and to permit persons to whom the
 9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: Andreas Pokorny
23 */
24
25#include "qxl_drv.h"
26#include "qxl_object.h"
27
28/* Empty Implementations as there should not be any other driver for a virtual
29 * device that might share buffers with qxl */
30
31int qxl_gem_prime_pin(struct drm_gem_object *obj)
32{
33	struct qxl_bo *bo = gem_to_qxl_bo(obj);
34
35	return qxl_bo_pin(bo);
36}
37
38void qxl_gem_prime_unpin(struct drm_gem_object *obj)
39{
40	struct qxl_bo *bo = gem_to_qxl_bo(obj);
41
42	qxl_bo_unpin(bo);
43}
44
45struct sg_table *qxl_gem_prime_get_sg_table(struct drm_gem_object *obj)
46{
47	return ERR_PTR(-ENOSYS);
48}
49
50struct drm_gem_object *qxl_gem_prime_import_sg_table(
51	struct drm_device *dev, struct dma_buf_attachment *attach,
52	struct sg_table *table)
53{
54	return ERR_PTR(-ENOSYS);
55}
56
57void *qxl_gem_prime_vmap(struct drm_gem_object *obj)
58{
59	struct qxl_bo *bo = gem_to_qxl_bo(obj);
60	void *ptr;
61	int ret;
62
63	ret = qxl_bo_kmap(bo, &ptr);
64	if (ret < 0)
65		return ERR_PTR(ret);
66
67	return ptr;
68}
69
70void qxl_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr)
71{
72	struct qxl_bo *bo = gem_to_qxl_bo(obj);
73
74	qxl_bo_kunmap(bo);
75}
76
77int qxl_gem_prime_mmap(struct drm_gem_object *obj,
78		       struct vm_area_struct *area)
79{
80	return -ENOSYS;
81}