msm: dba: add additional audio configuration parameters (bbefd69c) · Commits · e / devices / android_kernel_xiaomi_markw

include/video/msm_dba.h

+80 −0

Original line number	Diff line number	Diff line
		@@ -93,6 +93,48 @@ enum msm_dba_audio_format_type {
		MSM_DBA_AUDIO_FMT_COMPRESSED = BIT(1),
		};

		/**
		* enum msm_dba_audio_copyright_type - audio copyright
		* @MSM_DBA_AUDIO_COPYRIGHT_PROTECTED: copy right protected
		* @MSM_DBA_AUDIO_COPYRIGHT_NOT_PROTECTED: not copy right protected
		*/
		enum msm_dba_audio_copyright_type {
		MSM_DBA_AUDIO_COPYRIGHT_PROTECTED = BIT(0),
		MSM_DBA_AUDIO_COPYRIGHT_NOT_PROTECTED = BIT(1),
		};

		/**
		* enum msm_dba_audio_pre_emphasis_type - pre-emphasis
		* @MSM_DBA_AUDIO_NO_PRE_EMPHASIS: 2 audio channels w/o pre-emphasis
		* @MSM_DBA_AUDIO_PRE_EMPHASIS_50_15us: 2 audio channels with 50/15uS
		*/
		enum msm_dba_audio_pre_emphasis_type {
		MSM_DBA_AUDIO_NO_PRE_EMPHASIS = BIT(0),
		MSM_DBA_AUDIO_PRE_EMPHASIS_50_15us = BIT(1),
		};

		/**
		* enum msm_dba_audio_clock_accuracy - Audio Clock Accuracy
		* @MSM_DBA_AUDIO_CLOCK_ACCURACY_LVL1: normal accuracy +/-1000 x 10^-6
		* @MSM_DBA_AUDIO_CLOCK_ACCURACY_LVL2: high accuracy +/- 50 x 10^-6
		* @MSM_DBA_AUDIO_CLOCK_ACCURACY_LVL3: variable pitch shifted clock
		*/
		enum msm_dba_audio_clock_accuracy {
		MSM_DBA_AUDIO_CLOCK_ACCURACY_LVL1 = BIT(1),
		MSM_DBA_AUDIO_CLOCK_ACCURACY_LVL2 = BIT(0),
		MSM_DBA_AUDIO_CLOCK_ACCURACY_LVL3 = BIT(2),
		};

		/**
		* enum msm_dba_channel_status_source - CS override
		* @MSM_DBA_AUDIO_CS_SOURCE_I2S_STREAM: use channel status bits from I2S stream
		* @MSM_DBA_AUDIO_CS_SOURCE_REGISTERS: use channel status bits from registers
		*/
		enum msm_dba_channel_status_source {
		MSM_DBA_AUDIO_CS_SOURCE_I2S_STREAM,
		MSM_DBA_AUDIO_CS_SOURCE_REGISTERS
		};

		/**
		* enum msm_dba_audio_sampling_rates_type - audio sampling rates
		* @MSM_DBA_AUDIO_32KHZ: 32KHz sampling rate
		@@ -105,7 +147,9 @@ enum msm_dba_audio_sampling_rates_type {
		MSM_DBA_AUDIO_32KHZ = BIT(0),
		MSM_DBA_AUDIO_44P1KHZ = BIT(1),
		MSM_DBA_AUDIO_48KHZ = BIT(2),
		MSM_DBA_AUDIO_88P2KHZ = BIT(1),
		MSM_DBA_AUDIO_96KHZ = BIT(3),
		MSM_DBA_AUDIO_176P4KHZ = BIT(1),
		MSM_DBA_AUDIO_192KHZ = BIT(4),
		};

		@@ -159,6 +203,22 @@ enum msm_dba_video_aspect_ratio {
		MSM_DBA_AR_MAX
		};

		enum msm_dba_audio_word_endian_type {
		MSM_DBA_AUDIO_WORD_LITTLE_ENDIAN = 0,
		MSM_DBA_AUDIO_WORD_BIG_ENDIAN,
		MSM_DBA_AUDIO_WORD_ENDIAN_MAX
		};

		/**
		* msm_dba_audio_op_mode - i2s audio operation mode
		* @MSM_DBA_AUDIO_MODE_MANUAL: Manual mode
		* @MSM_DBA_AUDIO_MODE_AUTOMATIC: Automatic mode
		*/
		enum msm_dba_audio_op_mode {
		MSM_DBA_AUDIO_MODE_MANUAL,
		MSM_DBA_AUDIO_MODE_AUTOMATIC,
		};

		/**
		* typedef *msm_dba_cb() - Prototype for callback function
		* @data: Pointer to user data provided with register API
		@@ -242,12 +302,32 @@ struct msm_dba_capabilities {
		* @format: Compressed vs Uncompressed formats.
		* @channels: Number of channels.
		* @i2s_fmt: I2S data packing format. This is valid only if interface is I2S.
		* @sampling_rate: sampling rate of audio data
		* @word_size: word size
		* @word_endianness: little or big endian words
		*/
		struct msm_dba_audio_cfg {
		enum msm_dba_audio_interface_type interface;
		enum msm_dba_audio_format_type format;
		enum msm_dba_audio_channel_count channels;
		enum msm_dba_audio_i2s_format i2s_fmt;
		enum msm_dba_audio_sampling_rates_type sampling_rate;
		enum msm_dba_audio_word_bit_depth word_size;
		enum msm_dba_audio_word_endian_type word_endianness;
		enum msm_dba_audio_copyright_type copyright;
		enum msm_dba_audio_pre_emphasis_type pre_emphasis;
		enum msm_dba_audio_clock_accuracy clock_accuracy;
		enum msm_dba_channel_status_source channel_status_source;
		enum msm_dba_audio_op_mode mode;

		u32 channel_status_category_code;
		u32 channel_status_source_number;
		u32 channel_status_v_bit;
		u32 channel_allocation;
		u32 channel_status_word_length;

		u32 n;
		u32 cts;
		};

		/**