vdr 2.6.9
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
33int 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
49int 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
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
94int 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}
void BitBuffer_Init(BitBuffer_t *BitBuffer, uint8_t *Data, uint32_t MaxLength)
Definition bitbuffer.c:28
void BitBuffer_SetBits(BitBuffer_t *BitBuffer, int NumBits, uint32_t Data)
Definition bitbuffer.c:37
void HdffCmdBuildHeader(BitBuffer_t *MsgBuf, HdffMessageType_t MsgType, HdffMessageGroup_t MsgGroup, HdffMessageId_t MsgId)
uint32_t HdffCmdSetLength(BitBuffer_t *MsgBuf)
#define OSD_RAW_CMD
@ HDFF_MSG_GROUP_HDMI
@ HDFF_MSG_TYPE_COMMAND
@ HDFF_MSG_HDMI_SEND_RAW_CEC_COMMAND
@ HDFF_MSG_HDMI_SET_VIDEO_MODE
@ HDFF_MSG_HDMI_SEND_CEC_COMMAND
@ HDFF_MSG_HDMI_CONFIGURE
int HdffCmdHdmiSetVideoMode(int OsdDevice, HdffVideoMode_t VideoMode)
int HdffCmdHdmiSendCecCommand(int OsdDevice, HdffCecCommand_t Command)
int HdffCmdHdmiSendRawCecCommand(int OsdDevice, uint8_t Destination, uint8_t Opcode, const uint8_t *Operand, uint8_t OperandLength)
int HdffCmdHdmiConfigure(int OsdDevice, const HdffHdmiConfig_t *Config)
HdffCecCommand_t
HdffVideoMode_t
char CecDeviceName[14]
HdffVideoModeAdaption_t VideoModeAdaption
const void * cmd_data