1 /*
2 * Copyright (c) 2019, The Linux Foundation. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *    * Redistributions of source code must retain the above copyright
8 *      notice, this list of conditions and the following disclaimer.
9 *    * Redistributions in binary form must reproduce the above
10 *      copyright notice, this list of conditions and the following
11 *      disclaimer in the documentation and/or other materials provided
12 *      with the distribution.
13 *    * Neither the name of The Linux Foundation nor the names of its
14 *      contributors may be used to endorse or promote products derived
15 *      from this software without specific prior written permission.
16 
17 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
24 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
26 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
27 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29 
30 #ifndef __DRM_ATOMIC_REQ_H__
31 #define __DRM_ATOMIC_REQ_H__
32 
33 #include <drm_interface.h>
34 #include <drm_utils.h>
35 #include <xf86drm.h>
36 #include <xf86drmMode.h>
37 #include <vector>
38 
39 namespace sde_drm {
40 
41 class DRMManager;
42 class DRMCrtc;
43 
44 class DRMAtomicReq : public DRMAtomicReqInterface {
45  public:
46   DRMAtomicReq(int fd, DRMManager *drm_manager);
47   virtual ~DRMAtomicReq();
48   virtual int Perform(DRMOps op_code, uint32_t obj_id, ...);
49   virtual int Commit(bool synchronous, bool retain_planes);
50   virtual int Validate();
51   int Init(const DRMDisplayToken &tok);
52 
53  private:
54   int CallAtomic(DRMCrtc *crtc, uint32_t flags);
55 
56   drmModeAtomicReq *drm_atomic_req_ = {};
57   DRMManager *drm_mgr_ = {};
58   int fd_ = -1;
59   DRMDisplayToken token_ = {};
60 };
61 
62 }  // namespace sde_drm
63 #endif  // __DRM_ATOMIC_REQ_H__
64