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
31 int 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
38 void 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
45 struct sg_table *qxl_gem_prime_get_sg_table(struct drm_gem_object *obj)
46 {
47 return ERR_PTR(-ENOSYS);
48 }
49
50 struct 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
57 void *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
70 void 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
77 int qxl_gem_prime_mmap(struct drm_gem_object *obj,
78 struct vm_area_struct *area)
79 {
80 return -ENOSYS;
81 }