1 /*
2 * Copyright (c) 2013, Texas Instruments Incorporated
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * * Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * * Neither the name of Texas Instruments Incorporated nor the names of
17 * its contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
24 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
27 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
28 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
29 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
30 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
33 #include <stdlib.h>
34 #include <string.h>
35 #include <stdio.h>
37 #include <xf86drm.h>
38 #include <omap_drm.h>
39 #include <omap_drmif.h>
41 #include <MmRpc.h>
42 #include "dce_priv.h"
43 #include "libdce.h"
44 #include "memplugin.h"
46 #define INVALID_DRM_FD (-1)
48 int OmapDrm_FD = INVALID_DRM_FD;
49 struct omap_device *OmapDev = NULL;
50 extern MmRpc_Handle MmRpcHandle;
52 void *dce_init(void)
53 {
54 dce_error_status eError = DCE_EOK;
56 printf(" >> dce_init\n");
58 /* Open omapdrm device */
59 if( !OmapDrm_FD && OmapDrm_FD == INVALID_DRM_FD ) {
60 printf("Open omapdrm device \n");
61 OmapDrm_FD = drmOpen("omapdrm", "platform:omapdrm:00");
62 _ASSERT(OmapDrm_FD > 0, DCE_EOMAPDRM_FAIL);
63 }
64 OmapDev = omap_device_new(OmapDrm_FD);
65 _ASSERT(OmapDev != NULL, DCE_EOMAPDRM_FAIL);
67 EXIT:
68 return ((void *)OmapDev);
69 }
71 void dce_deinit(void *dev)
72 {
73 omap_device_del(dev);
74 dev = NULL;
75 close(OmapDrm_FD);
76 OmapDrm_FD = INVALID_DRM_FD;
78 return;
79 }
81 int dce_buf_lock(int num, size_t *handle)
82 {
83 int i;
84 MmRpc_BufDesc *desc = NULL;
85 dce_error_status eError = DCE_EOK;
87 _ASSERT(num > 0, DCE_EINVALID_INPUT);
89 desc = memplugin_alloc(num * sizeof(MmRpc_BufDesc), 0, TILER_1D_BUFFER);
90 _ASSERT(desc != NULL, DCE_EOUT_OF_MEMORY);
92 for( i = 0; i < num; i++ ) {
93 desc[i].handle = handle[i];
94 }
96 eError = MmRpc_use(MmRpcHandle, MmRpc_BufType_Handle, num, desc);
98 _ASSERT(eError == DCE_EOK, DCE_EIPC_CALL_FAIL);
99 EXIT:
100 return (eError);
101 }
103 int dce_buf_unlock(int num, size_t *handle)
104 {
105 int i;
106 MmRpc_BufDesc *desc = NULL;
107 dce_error_status eError = DCE_EOK;
109 _ASSERT(num > 0, DCE_EINVALID_INPUT);
111 desc = memplugin_alloc(num * sizeof(MmRpc_BufDesc), 0, TILER_1D_BUFFER);
112 _ASSERT(desc != NULL, DCE_EOUT_OF_MEMORY);
114 for( i = 0; i < num; i++ ) {
115 desc[i].handle = handle[i];
116 }
118 eError = MmRpc_release(MmRpcHandle, MmRpc_BufType_Handle, num, desc);
120 _ASSERT(eError == DCE_EOK, DCE_EIPC_CALL_FAIL);
121 EXIT:
122 return (eError);
123 }
125 /* Incase of X11 or Wayland the fd can be shared to libdce using this call */
126 void dce_set_fd(int dce_fd)
127 {
128 OmapDrm_FD = dce_fd;
129 }
131 int dce_get_fd(void)
132 {
133 return (OmapDrm_FD);
134 }