vdr  2.0.2
hdffcmd_hdmi.c
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1 /**********************************************************************
2  *
3  * HDFF firmware command interface library
4  *
5  * Copyright (C) 2011 Andreas Regel
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License
9  * as published by the Free Software Foundation; either version 2
10  * of the License, or (at your option) any later version.
11 
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16 
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the
19  * Free Software Foundation, Inc.,
20  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
21  *
22  *********************************************************************/
23 
24 #include <stdint.h>
25 #include <string.h>
26 #include <sys/ioctl.h>
27 
28 #include "hdffcmd.h"
29 #include "hdffcmd_base.h"
30 #include "hdffcmd_defs.h"
31 
32 
33 int HdffCmdHdmiSetVideoMode(int OsdDevice, HdffVideoMode_t VideoMode)
34 {
35  uint8_t cmdData[8];
36  BitBuffer_t cmdBuf;
37  osd_raw_cmd_t osd_cmd;
38 
39  BitBuffer_Init(&cmdBuf, cmdData, sizeof(cmdData));
40  memset(&osd_cmd, 0, sizeof(osd_raw_cmd_t));
41  osd_cmd.cmd_data = cmdData;
44  BitBuffer_SetBits(&cmdBuf, 8, VideoMode);
45  osd_cmd.cmd_len = HdffCmdSetLength(&cmdBuf);
46  return ioctl(OsdDevice, OSD_RAW_CMD, &osd_cmd);
47 }
48 
49 int HdffCmdHdmiConfigure(int OsdDevice, const HdffHdmiConfig_t * Config)
50 {
51  uint8_t cmdData[24];
52  BitBuffer_t cmdBuf;
53  osd_raw_cmd_t osd_cmd;
54  size_t nameLen;
55  int i;
56 
57  BitBuffer_Init(&cmdBuf, cmdData, sizeof(cmdData));
58  memset(&osd_cmd, 0, sizeof(osd_raw_cmd_t));
59  osd_cmd.cmd_data = cmdData;
62  BitBuffer_SetBits(&cmdBuf, 1, Config->TransmitAudio ? 1 : 0);
63  BitBuffer_SetBits(&cmdBuf, 1, Config->ForceDviMode ? 1 : 0);
64  BitBuffer_SetBits(&cmdBuf, 1, Config->CecEnabled ? 1 : 0);
65  BitBuffer_SetBits(&cmdBuf, 3, Config->VideoModeAdaption);
66  BitBuffer_SetBits(&cmdBuf, 6, 0); // reserved
67  nameLen = strlen(Config->CecDeviceName);
68  if (nameLen > 13)
69  nameLen = 13;
70  BitBuffer_SetBits(&cmdBuf, 4, nameLen);
71  for (i = 0; i < nameLen; i++)
72  BitBuffer_SetBits(&cmdBuf, 8, Config->CecDeviceName[i]);
73 
74  osd_cmd.cmd_len = HdffCmdSetLength(&cmdBuf);
75  return ioctl(OsdDevice, OSD_RAW_CMD, &osd_cmd);
76 }
77 
78 int HdffCmdHdmiSendCecCommand(int OsdDevice, HdffCecCommand_t Command)
79 {
80  uint8_t cmdData[8];
81  BitBuffer_t cmdBuf;
82  osd_raw_cmd_t osd_cmd;
83 
84  BitBuffer_Init(&cmdBuf, cmdData, sizeof(cmdData));
85  memset(&osd_cmd, 0, sizeof(osd_raw_cmd_t));
86  osd_cmd.cmd_data = cmdData;
89  BitBuffer_SetBits(&cmdBuf, 8, Command);
90  osd_cmd.cmd_len = HdffCmdSetLength(&cmdBuf);
91  return ioctl(OsdDevice, OSD_RAW_CMD, &osd_cmd);
92 }
93 
94 int HdffCmdHdmiSendRawCecCommand(int OsdDevice, uint8_t Destination,
95  uint8_t Opcode, const uint8_t * Operand,
96  uint8_t OperandLength)
97 {
98  uint8_t cmdData[24];
99  BitBuffer_t cmdBuf;
100  osd_raw_cmd_t osd_cmd;
101  int i;
102 
103  if (OperandLength > 14)
104  OperandLength = 14;
105 
106  BitBuffer_Init(&cmdBuf, cmdData, sizeof(cmdData));
107  memset(&osd_cmd, 0, sizeof(osd_raw_cmd_t));
108  osd_cmd.cmd_data = cmdData;
111  BitBuffer_SetBits(&cmdBuf, 4, 0); // reserved
112  BitBuffer_SetBits(&cmdBuf, 4, Destination);
113  BitBuffer_SetBits(&cmdBuf, 8, Opcode);
114  BitBuffer_SetBits(&cmdBuf, 8, OperandLength);
115  for (i = 0; i < OperandLength; i++)
116  BitBuffer_SetBits(&cmdBuf, 8, Operand[i]);
117 
118  osd_cmd.cmd_len = HdffCmdSetLength(&cmdBuf);
119  return ioctl(OsdDevice, OSD_RAW_CMD, &osd_cmd);
120 }
121