1 /*
2 * Copyright (c) 2017, 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 #include <utils/debug.h>
31 #include <utils/utils.h>
32
33 #include "hw_interface.h"
34 #include "fb/hw_device.h"
35 #include "fb/hw_primary.h"
36 #include "fb/hw_hdmi.h"
37 #include "fb/hw_virtual.h"
38 #ifdef COMPILE_DRM
39 #include "drm/hw_device_drm.h"
40 #endif
41
42 #define __CLASS__ "HWInterface"
43
44 namespace sdm {
45
Create(DisplayType type,HWInfoInterface * hw_info_intf,BufferSyncHandler * buffer_sync_handler,HWInterface ** intf)46 DisplayError HWInterface::Create(DisplayType type, HWInfoInterface *hw_info_intf,
47 BufferSyncHandler *buffer_sync_handler,
48 HWInterface **intf) {
49 DisplayError error = kErrorNone;
50 HWInterface *hw = nullptr;
51 DriverType driver_type = GetDriverType();
52
53 switch (type) {
54 case kPrimary:
55 if (driver_type == DriverType::FB) {
56 hw = new HWPrimary(buffer_sync_handler, hw_info_intf);
57 } else {
58 #ifdef COMPILE_DRM
59 hw = new HWDeviceDRM(buffer_sync_handler, hw_info_intf);
60 #endif
61 }
62 break;
63 case kHDMI:
64 if (driver_type == DriverType::FB) {
65 hw = new HWHDMI(buffer_sync_handler, hw_info_intf);
66 } else {
67 return kErrorNotSupported;
68 }
69 break;
70 case kVirtual:
71 if (driver_type == DriverType::FB) {
72 hw = new HWVirtual(buffer_sync_handler, hw_info_intf);
73 } else {
74 return kErrorNotSupported;
75 }
76 break;
77 default:
78 DLOGE("Undefined display type");
79 return kErrorUndefined;
80 }
81
82 error = hw->Init();
83 if (error != kErrorNone) {
84 delete hw;
85 DLOGE("Init on HW Intf type %d failed", type);
86 return error;
87 }
88 *intf = hw;
89
90 return error;
91 }
92
Destroy(HWInterface * intf)93 DisplayError HWInterface::Destroy(HWInterface *intf) {
94 if (intf) {
95 intf->Deinit();
96 delete intf;
97 }
98
99 return kErrorNone;
100 }
101
102 } // namespace sdm
103