| /* |
| * Copyright (c) 2020-2021, The Linux Foundation. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * * Neither the name of The Linux Foundation nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef DISPLAYPORT_H |
| #define DISPLAYPORT_H |
| |
| #include "Device.h" |
| #include "PalAudioRoute.h" |
| #include "PalDefs.h" |
| #include "ResourceManager.h" |
| #include <system/audio.h> |
| |
| #ifndef ARRAY_SIZE |
| #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) |
| #endif |
| |
| /* HDMI EDID Information */ |
| #define BIT(nr) (1UL << (nr)) |
| #define MAX_EDID_BLOCKS 10 |
| #define MAX_SHORT_AUDIO_DESC_CNT 30 |
| #define MIN_AUDIO_DESC_LENGTH 3 |
| #define MIN_SPKR_ALLOCATION_DATA_LENGTH 3 |
| #define MAX_CHANNELS_SUPPORTED 8 |
| #define MAX_DISPLAY_DEVICES 3 |
| #define MAX_FRAME_BUFFER_NAME_SIZE 80 |
| #define MAX_CHAR_PER_INT 13 |
| |
| #define PCM_CHANNEL_FL 1 /* Front left channel. */ |
| #define PCM_CHANNEL_FR 2 /* Front right channel. */ |
| #define PCM_CHANNEL_FC 3 /* Front center channel. */ |
| #define PCM_CHANNEL_LS 4 /* Left surround channel. */ |
| #define PCM_CHANNEL_RS 5 /* Right surround channel. */ |
| #define PCM_CHANNEL_LFE 6 /* Low frequency effect channel. */ |
| #define PCM_CHANNEL_CS 7 /* Center surround channel; Rear center channel. */ |
| #define PCM_CHANNEL_LB 8 /* Left back channel; Rear left channel. */ |
| #define PCM_CHANNEL_RB 9 /* Right back channel; Rear right channel. */ |
| #define PCM_CHANNEL_TS 10 /* Top surround channel. */ |
| #define PCM_CHANNEL_CVH 11 /* Center vertical height channel. */ |
| #define PCM_CHANNEL_MS 12 /* Mono surround channel. */ |
| #define PCM_CHANNEL_FLC 13 /* Front left of center. */ |
| #define PCM_CHANNEL_FRC 14 /* Front right of center. */ |
| #define PCM_CHANNEL_RLC 15 /* Rear left of center. */ |
| #define PCM_CHANNEL_RRC 16 /* Rear right of center. */ |
| #define PCM_CHANNEL_LFE2 17 /* Second low frequency channel. */ |
| #define PCM_CHANNEL_SL 18 /* Side left channel. */ |
| #define PCM_CHANNEL_SR 19 /* Side right channel. */ |
| #define PCM_CHANNEL_TFL 20 /* Top front left channel. */ |
| #define PCM_CHANNEL_LVH 20 /* Left vertical height channel. */ |
| #define PCM_CHANNEL_TFR 21 /* Top front right channel. */ |
| #define PCM_CHANNEL_RVH 21 /* Right vertical height channel. */ |
| #define PCM_CHANNEL_TC 22 /* Top center channel. */ |
| #define PCM_CHANNEL_TBL 23 /* Top back left channel. */ |
| #define PCM_CHANNEL_TBR 24 /* Top back right channel. */ |
| #define PCM_CHANNEL_TSL 25 /* Top side left channel. */ |
| #define PCM_CHANNEL_TSR 26 /* Top side right channel. */ |
| #define PCM_CHANNEL_TBC 27 /* Top back center channel. */ |
| #define PCM_CHANNEL_BFC 28 /* Bottom front center channel. */ |
| #define PCM_CHANNEL_BFL 29 /* Bottom front left channel. */ |
| #define PCM_CHANNEL_BFR 30 /* Bottom front right channel. */ |
| #define PCM_CHANNEL_LW 31 /* Left wide channel. */ |
| #define PCM_CHANNEL_RW 32 /* Right wide channel. */ |
| #define PCM_CHANNEL_LSD 33 /* Left side direct channel. */ |
| #define PCM_CHANNEL_RSD 34 /* Right side direct channel. */ |
| |
| #define MAX_HDMI_CHANNEL_CNT 8 |
| |
| #define EXT_DISPLAY_PLUG_STATUS_NOTIFY_ENABLE 0x30 |
| #define EXT_DISPLAY_PLUG_STATUS_NOTIFY_CONNECT 0x01 |
| #define EXT_DISPLAY_PLUG_STATUS_NOTIFY_DISCONNECT 0x00 |
| |
| typedef enum edidAudioFormatId { |
| LPCM = 1, |
| AC3, |
| MPEG1, |
| MP3, |
| MPEG2_MULTI_CHANNEL, |
| AAC, |
| DTS, |
| ATRAC, |
| SACD, |
| DOLBY_DIGITAL_PLUS, |
| DTS_HD, |
| MAT, |
| DST, |
| WMA_PRO |
| } edidAudioFormatId; |
| |
| typedef struct edidAudioBlockInfo { |
| edidAudioFormatId formatId; |
| int samplingFreqBitmask; |
| int bitsPerSampleBitmask; |
| int channels; |
| } edidAudioBlockInfo; |
| |
| typedef struct edidAudioInfo { |
| int audioBlocks; |
| unsigned char speakerAllocation[MIN_SPKR_ALLOCATION_DATA_LENGTH]; |
| edidAudioBlockInfo audioBlocksArray[MAX_EDID_BLOCKS]; |
| char channelMap[MAX_CHANNELS_SUPPORTED]; |
| int channelAllocation; |
| unsigned int channelMask; |
| } edidAudioInfo; |
| |
| class DisplayPort : public Device |
| { |
| uint32_t dp_controller; |
| uint32_t dp_stream; |
| protected: |
| int configureDpEndpoint(); |
| static std::shared_ptr<Device> objRx; |
| static std::shared_ptr<Device> objTx; |
| DisplayPort(struct pal_device *device, std::shared_ptr<ResourceManager> Rm); |
| public: |
| int start(); |
| int init(pal_param_device_connection_t device_conn); |
| int deinit(pal_param_device_connection_t device_conn); |
| static std::shared_ptr<Device> getInstance(struct pal_device *device, |
| std::shared_ptr<ResourceManager> Rm); |
| static std::shared_ptr<Device> getObject(pal_device_id_t id); |
| static int32_t isSampleRateSupported(uint32_t sampleRate); |
| static int32_t isChannelSupported(uint32_t numChannels); |
| static int32_t isBitWidthSupported(uint32_t bitWidth); |
| static int32_t checkAndUpdateBitWidth(uint32_t *bitWidth); |
| static int32_t checkAndUpdateSampleRate(uint32_t *sampleRate); |
| static bool isDisplayPortEnabled (); |
| void resetEdidInfo(); |
| static int32_t getDisplayPortCtlIndex(int controller, int stream); |
| static int32_t setExtDisplayDevice(struct audio_mixer *mixer, int controller, int stream); |
| static int32_t getExtDispType(struct audio_mixer *mixer, int controller, int stream); |
| static int getEdidInfo(struct audio_mixer *mixer, int controller, int stream); |
| static void cacheEdid(struct audio_mixer *mixer, int controller, int stream); |
| static const char * edidFormatToStr(unsigned char format); |
| static bool isSampleRateSupported(unsigned char srByte, int samplingRate); |
| static unsigned char getEdidBpsByte(unsigned char byte, unsigned char format); |
| static bool isSupportedBps(unsigned char bpsByte, int bps); |
| static int getHighestEdidSF(unsigned char byte); |
| static void updateChannelMap(edidAudioInfo* info); |
| static void dumpSpeakerAllocation(edidAudioInfo* info); |
| static void updateChannelAllocation(edidAudioInfo* info); |
| static void updateChannelMapLpass(edidAudioInfo* info); |
| static void retrieveChannelMapLpass(int ca, uint8_t *ch_map, int ch_map_size); |
| static void updateChannelMask(edidAudioInfo* info); |
| static void dumpEdidData(edidAudioInfo *info); |
| static bool getSinkCaps(edidAudioInfo* info, char *edidData); |
| static int getDeviceChannelAllocation(int num_channels); |
| bool isSupportedSR(edidAudioInfo* info, int sr); |
| int getMaxChannel(); |
| bool isSupportedBps(edidAudioInfo* info, int bps); |
| int getHighestSupportedSR(); |
| int getHighestSupportedBps(); |
| int updateSysfsNode(const char *path, const char *data, size_t len); |
| int getExtDispSysfsNodeIndex(int ext_disp_type); |
| int updateExtDispSysfsNode(int node_value, int controller, int stream); |
| int updateAudioAckState(int node_value, int controller, int stream); |
| int getDeviceAttributes (struct pal_device *dattr) override; |
| }; |
| |
| |
| #endif //DISPLAYPORT_H |