* Types and defines in this file are either specific to version 1.0 of
* this standard or common for newer versions.
*/
-
#ifndef __LINUX_USB_AUDIO_H
#define __LINUX_USB_AUDIO_H
-#include <linux/types.h>
-
-/* bInterfaceProtocol values to denote the version of the standard used */
-#define UAC_VERSION_1 0x00
-#define UAC_VERSION_2 0x20
-
-/* A.2 Audio Interface Subclass Codes */
-#define USB_SUBCLASS_AUDIOCONTROL 0x01
-#define USB_SUBCLASS_AUDIOSTREAMING 0x02
-#define USB_SUBCLASS_MIDISTREAMING 0x03
-
-/* A.5 Audio Class-Specific AC Interface Descriptor Subtypes */
-#define UAC_HEADER 0x01
-#define UAC_INPUT_TERMINAL 0x02
-#define UAC_OUTPUT_TERMINAL 0x03
-#define UAC_MIXER_UNIT 0x04
-#define UAC_SELECTOR_UNIT 0x05
-#define UAC_FEATURE_UNIT 0x06
-#define UAC1_PROCESSING_UNIT 0x07
-#define UAC1_EXTENSION_UNIT 0x08
-
-/* A.6 Audio Class-Specific AS Interface Descriptor Subtypes */
-#define UAC_AS_GENERAL 0x01
-#define UAC_FORMAT_TYPE 0x02
-#define UAC_FORMAT_SPECIFIC 0x03
-
-/* A.7 Processing Unit Process Types */
-#define UAC_PROCESS_UNDEFINED 0x00
-#define UAC_PROCESS_UP_DOWNMIX 0x01
-#define UAC_PROCESS_DOLBY_PROLOGIC 0x02
-#define UAC_PROCESS_STEREO_EXTENDER 0x03
-#define UAC_PROCESS_REVERB 0x04
-#define UAC_PROCESS_CHORUS 0x05
-#define UAC_PROCESS_DYN_RANGE_COMP 0x06
-
-/* A.8 Audio Class-Specific Endpoint Descriptor Subtypes */
-#define UAC_EP_GENERAL 0x01
-
-/* A.9 Audio Class-Specific Request Codes */
-#define UAC_SET_ 0x00
-#define UAC_GET_ 0x80
-
-#define UAC__CUR 0x1
-#define UAC__MIN 0x2
-#define UAC__MAX 0x3
-#define UAC__RES 0x4
-#define UAC__MEM 0x5
-
-#define UAC_SET_CUR (UAC_SET_ | UAC__CUR)
-#define UAC_GET_CUR (UAC_GET_ | UAC__CUR)
-#define UAC_SET_MIN (UAC_SET_ | UAC__MIN)
-#define UAC_GET_MIN (UAC_GET_ | UAC__MIN)
-#define UAC_SET_MAX (UAC_SET_ | UAC__MAX)
-#define UAC_GET_MAX (UAC_GET_ | UAC__MAX)
-#define UAC_SET_RES (UAC_SET_ | UAC__RES)
-#define UAC_GET_RES (UAC_GET_ | UAC__RES)
-#define UAC_SET_MEM (UAC_SET_ | UAC__MEM)
-#define UAC_GET_MEM (UAC_GET_ | UAC__MEM)
-
-#define UAC_GET_STAT 0xff
-
-/* A.10 Control Selector Codes */
-
-/* A.10.1 Terminal Control Selectors */
-#define UAC_TERM_COPY_PROTECT 0x01
-
-/* A.10.2 Feature Unit Control Selectors */
-#define UAC_FU_MUTE 0x01
-#define UAC_FU_VOLUME 0x02
-#define UAC_FU_BASS 0x03
-#define UAC_FU_MID 0x04
-#define UAC_FU_TREBLE 0x05
-#define UAC_FU_GRAPHIC_EQUALIZER 0x06
-#define UAC_FU_AUTOMATIC_GAIN 0x07
-#define UAC_FU_DELAY 0x08
-#define UAC_FU_BASS_BOOST 0x09
-#define UAC_FU_LOUDNESS 0x0a
-
-#define UAC_CONTROL_BIT(CS) (1 << ((CS) - 1))
-
-/* A.10.3.1 Up/Down-mix Processing Unit Controls Selectors */
-#define UAC_UD_ENABLE 0x01
-#define UAC_UD_MODE_SELECT 0x02
-
-/* A.10.3.2 Dolby Prologic (tm) Processing Unit Controls Selectors */
-#define UAC_DP_ENABLE 0x01
-#define UAC_DP_MODE_SELECT 0x02
-
-/* A.10.3.3 3D Stereo Extender Processing Unit Control Selectors */
-#define UAC_3D_ENABLE 0x01
-#define UAC_3D_SPACE 0x02
-
-/* A.10.3.4 Reverberation Processing Unit Control Selectors */
-#define UAC_REVERB_ENABLE 0x01
-#define UAC_REVERB_LEVEL 0x02
-#define UAC_REVERB_TIME 0x03
-#define UAC_REVERB_FEEDBACK 0x04
-
-/* A.10.3.5 Chorus Processing Unit Control Selectors */
-#define UAC_CHORUS_ENABLE 0x01
-#define UAC_CHORUS_LEVEL 0x02
-#define UAC_CHORUS_RATE 0x03
-#define UAC_CHORUS_DEPTH 0x04
-
-/* A.10.3.6 Dynamic Range Compressor Unit Control Selectors */
-#define UAC_DCR_ENABLE 0x01
-#define UAC_DCR_RATE 0x02
-#define UAC_DCR_MAXAMPL 0x03
-#define UAC_DCR_THRESHOLD 0x04
-#define UAC_DCR_ATTACK_TIME 0x05
-#define UAC_DCR_RELEASE_TIME 0x06
-
-/* A.10.4 Extension Unit Control Selectors */
-#define UAC_XU_ENABLE 0x01
-
-/* MIDI - A.1 MS Class-Specific Interface Descriptor Subtypes */
-#define UAC_MS_HEADER 0x01
-#define UAC_MIDI_IN_JACK 0x02
-#define UAC_MIDI_OUT_JACK 0x03
-
-/* MIDI - A.1 MS Class-Specific Endpoint Descriptor Subtypes */
-#define UAC_MS_GENERAL 0x01
-
-/* Terminals - 2.1 USB Terminal Types */
-#define UAC_TERMINAL_UNDEFINED 0x100
-#define UAC_TERMINAL_STREAMING 0x101
-#define UAC_TERMINAL_VENDOR_SPEC 0x1FF
-
-/* Terminal Control Selectors */
-/* 4.3.2 Class-Specific AC Interface Descriptor */
-struct uac1_ac_header_descriptor {
- __u8 bLength; /* 8 + n */
- __u8 bDescriptorType; /* USB_DT_CS_INTERFACE */
- __u8 bDescriptorSubtype; /* UAC_MS_HEADER */
- __le16 bcdADC; /* 0x0100 */
- __le16 wTotalLength; /* includes Unit and Terminal desc. */
- __u8 bInCollection; /* n */
- __u8 baInterfaceNr[]; /* [n] */
-} __attribute__ ((packed));
-
-#define UAC_DT_AC_HEADER_SIZE(n) (8 + (n))
-
-/* As above, but more useful for defining your own descriptors: */
-#define DECLARE_UAC_AC_HEADER_DESCRIPTOR(n) \
-struct uac1_ac_header_descriptor_##n { \
- __u8 bLength; \
- __u8 bDescriptorType; \
- __u8 bDescriptorSubtype; \
- __le16 bcdADC; \
- __le16 wTotalLength; \
- __u8 bInCollection; \
- __u8 baInterfaceNr[n]; \
-} __attribute__ ((packed))
-
-/* 4.3.2.1 Input Terminal Descriptor */
-struct uac_input_terminal_descriptor {
- __u8 bLength; /* in bytes: 12 */
- __u8 bDescriptorType; /* CS_INTERFACE descriptor type */
- __u8 bDescriptorSubtype; /* INPUT_TERMINAL descriptor subtype */
- __u8 bTerminalID; /* Constant uniquely terminal ID */
- __le16 wTerminalType; /* USB Audio Terminal Types */
- __u8 bAssocTerminal; /* ID of the Output Terminal associated */
- __u8 bNrChannels; /* Number of logical output channels */
- __le16 wChannelConfig;
- __u8 iChannelNames;
- __u8 iTerminal;
-} __attribute__ ((packed));
-
-#define UAC_DT_INPUT_TERMINAL_SIZE 12
-
-/* Terminals - 2.2 Input Terminal Types */
-#define UAC_INPUT_TERMINAL_UNDEFINED 0x200
-#define UAC_INPUT_TERMINAL_MICROPHONE 0x201
-#define UAC_INPUT_TERMINAL_DESKTOP_MICROPHONE 0x202
-#define UAC_INPUT_TERMINAL_PERSONAL_MICROPHONE 0x203
-#define UAC_INPUT_TERMINAL_OMNI_DIR_MICROPHONE 0x204
-#define UAC_INPUT_TERMINAL_MICROPHONE_ARRAY 0x205
-#define UAC_INPUT_TERMINAL_PROC_MICROPHONE_ARRAY 0x206
-
-/* Terminals - control selectors */
-
-#define UAC_TERMINAL_CS_COPY_PROTECT_CONTROL 0x01
-
-/* 4.3.2.2 Output Terminal Descriptor */
-struct uac1_output_terminal_descriptor {
- __u8 bLength; /* in bytes: 9 */
- __u8 bDescriptorType; /* CS_INTERFACE descriptor type */
- __u8 bDescriptorSubtype; /* OUTPUT_TERMINAL descriptor subtype */
- __u8 bTerminalID; /* Constant uniquely terminal ID */
- __le16 wTerminalType; /* USB Audio Terminal Types */
- __u8 bAssocTerminal; /* ID of the Input Terminal associated */
- __u8 bSourceID; /* ID of the connected Unit or Terminal*/
- __u8 iTerminal;
-} __attribute__ ((packed));
-
-#define UAC_DT_OUTPUT_TERMINAL_SIZE 9
-
-/* Terminals - 2.3 Output Terminal Types */
-#define UAC_OUTPUT_TERMINAL_UNDEFINED 0x300
-#define UAC_OUTPUT_TERMINAL_SPEAKER 0x301
-#define UAC_OUTPUT_TERMINAL_HEADPHONES 0x302
-#define UAC_OUTPUT_TERMINAL_HEAD_MOUNTED_DISPLAY_AUDIO 0x303
-#define UAC_OUTPUT_TERMINAL_DESKTOP_SPEAKER 0x304
-#define UAC_OUTPUT_TERMINAL_ROOM_SPEAKER 0x305
-#define UAC_OUTPUT_TERMINAL_COMMUNICATION_SPEAKER 0x306
-#define UAC_OUTPUT_TERMINAL_LOW_FREQ_EFFECTS_SPEAKER 0x307
-
-/* Set bControlSize = 2 as default setting */
-#define UAC_DT_FEATURE_UNIT_SIZE(ch) (7 + ((ch) + 1) * 2)
-
-/* As above, but more useful for defining your own descriptors: */
-#define DECLARE_UAC_FEATURE_UNIT_DESCRIPTOR(ch) \
-struct uac_feature_unit_descriptor_##ch { \
- __u8 bLength; \
- __u8 bDescriptorType; \
- __u8 bDescriptorSubtype; \
- __u8 bUnitID; \
- __u8 bSourceID; \
- __u8 bControlSize; \
- __le16 bmaControls[ch + 1]; \
- __u8 iFeature; \
-} __attribute__ ((packed))
-
-/* 4.3.2.3 Mixer Unit Descriptor */
-struct uac_mixer_unit_descriptor {
- __u8 bLength;
- __u8 bDescriptorType;
- __u8 bDescriptorSubtype;
- __u8 bUnitID;
- __u8 bNrInPins;
- __u8 baSourceID[];
-} __attribute__ ((packed));
+#include <uapi/linux/usb/audio.h>
-static inline __u8 uac_mixer_unit_bNrChannels(struct uac_mixer_unit_descriptor *desc)
-{
- return desc->baSourceID[desc->bNrInPins];
-}
-
-static inline __u32 uac_mixer_unit_wChannelConfig(struct uac_mixer_unit_descriptor *desc,
- int protocol)
-{
- if (protocol == UAC_VERSION_1)
- return (desc->baSourceID[desc->bNrInPins + 2] << 8) |
- desc->baSourceID[desc->bNrInPins + 1];
- else
- return (desc->baSourceID[desc->bNrInPins + 4] << 24) |
- (desc->baSourceID[desc->bNrInPins + 3] << 16) |
- (desc->baSourceID[desc->bNrInPins + 2] << 8) |
- (desc->baSourceID[desc->bNrInPins + 1]);
-}
-
-static inline __u8 uac_mixer_unit_iChannelNames(struct uac_mixer_unit_descriptor *desc,
- int protocol)
-{
- return (protocol == UAC_VERSION_1) ?
- desc->baSourceID[desc->bNrInPins + 3] :
- desc->baSourceID[desc->bNrInPins + 5];
-}
-
-static inline __u8 *uac_mixer_unit_bmControls(struct uac_mixer_unit_descriptor *desc,
- int protocol)
-{
- return (protocol == UAC_VERSION_1) ?
- &desc->baSourceID[desc->bNrInPins + 4] :
- &desc->baSourceID[desc->bNrInPins + 6];
-}
-
-static inline __u8 uac_mixer_unit_iMixer(struct uac_mixer_unit_descriptor *desc)
-{
- __u8 *raw = (__u8 *) desc;
- return raw[desc->bLength - 1];
-}
-
-/* 4.3.2.4 Selector Unit Descriptor */
-struct uac_selector_unit_descriptor {
- __u8 bLength;
- __u8 bDescriptorType;
- __u8 bDescriptorSubtype;
- __u8 bUintID;
- __u8 bNrInPins;
- __u8 baSourceID[];
-} __attribute__ ((packed));
-
-static inline __u8 uac_selector_unit_iSelector(struct uac_selector_unit_descriptor *desc)
-{
- __u8 *raw = (__u8 *) desc;
- return raw[desc->bLength - 1];
-}
-
-/* 4.3.2.5 Feature Unit Descriptor */
-struct uac_feature_unit_descriptor {
- __u8 bLength;
- __u8 bDescriptorType;
- __u8 bDescriptorSubtype;
- __u8 bUnitID;
- __u8 bSourceID;
- __u8 bControlSize;
- __u8 bmaControls[0]; /* variable length */
-} __attribute__((packed));
-
-static inline __u8 uac_feature_unit_iFeature(struct uac_feature_unit_descriptor *desc)
-{
- __u8 *raw = (__u8 *) desc;
- return raw[desc->bLength - 1];
-}
-
-/* 4.3.2.6 Processing Unit Descriptors */
-struct uac_processing_unit_descriptor {
- __u8 bLength;
- __u8 bDescriptorType;
- __u8 bDescriptorSubtype;
- __u8 bUnitID;
- __u16 wProcessType;
- __u8 bNrInPins;
- __u8 baSourceID[];
-} __attribute__ ((packed));
-
-static inline __u8 uac_processing_unit_bNrChannels(struct uac_processing_unit_descriptor *desc)
-{
- return desc->baSourceID[desc->bNrInPins];
-}
-
-static inline __u32 uac_processing_unit_wChannelConfig(struct uac_processing_unit_descriptor *desc,
- int protocol)
-{
- if (protocol == UAC_VERSION_1)
- return (desc->baSourceID[desc->bNrInPins + 2] << 8) |
- desc->baSourceID[desc->bNrInPins + 1];
- else
- return (desc->baSourceID[desc->bNrInPins + 4] << 24) |
- (desc->baSourceID[desc->bNrInPins + 3] << 16) |
- (desc->baSourceID[desc->bNrInPins + 2] << 8) |
- (desc->baSourceID[desc->bNrInPins + 1]);
-}
-
-static inline __u8 uac_processing_unit_iChannelNames(struct uac_processing_unit_descriptor *desc,
- int protocol)
-{
- return (protocol == UAC_VERSION_1) ?
- desc->baSourceID[desc->bNrInPins + 3] :
- desc->baSourceID[desc->bNrInPins + 5];
-}
-
-static inline __u8 uac_processing_unit_bControlSize(struct uac_processing_unit_descriptor *desc,
- int protocol)
-{
- return (protocol == UAC_VERSION_1) ?
- desc->baSourceID[desc->bNrInPins + 4] :
- desc->baSourceID[desc->bNrInPins + 6];
-}
-
-static inline __u8 *uac_processing_unit_bmControls(struct uac_processing_unit_descriptor *desc,
- int protocol)
-{
- return (protocol == UAC_VERSION_1) ?
- &desc->baSourceID[desc->bNrInPins + 5] :
- &desc->baSourceID[desc->bNrInPins + 7];
-}
-
-static inline __u8 uac_processing_unit_iProcessing(struct uac_processing_unit_descriptor *desc,
- int protocol)
-{
- __u8 control_size = uac_processing_unit_bControlSize(desc, protocol);
- return desc->baSourceID[desc->bNrInPins + control_size];
-}
-
-static inline __u8 *uac_processing_unit_specific(struct uac_processing_unit_descriptor *desc,
- int protocol)
-{
- __u8 control_size = uac_processing_unit_bControlSize(desc, protocol);
- return &desc->baSourceID[desc->bNrInPins + control_size + 1];
-}
-
-/* 4.5.2 Class-Specific AS Interface Descriptor */
-struct uac1_as_header_descriptor {
- __u8 bLength; /* in bytes: 7 */
- __u8 bDescriptorType; /* USB_DT_CS_INTERFACE */
- __u8 bDescriptorSubtype; /* AS_GENERAL */
- __u8 bTerminalLink; /* Terminal ID of connected Terminal */
- __u8 bDelay; /* Delay introduced by the data path */
- __le16 wFormatTag; /* The Audio Data Format */
-} __attribute__ ((packed));
-
-#define UAC_DT_AS_HEADER_SIZE 7
-
-/* Formats - A.1.1 Audio Data Format Type I Codes */
-#define UAC_FORMAT_TYPE_I_UNDEFINED 0x0
-#define UAC_FORMAT_TYPE_I_PCM 0x1
-#define UAC_FORMAT_TYPE_I_PCM8 0x2
-#define UAC_FORMAT_TYPE_I_IEEE_FLOAT 0x3
-#define UAC_FORMAT_TYPE_I_ALAW 0x4
-#define UAC_FORMAT_TYPE_I_MULAW 0x5
-
-struct uac_format_type_i_continuous_descriptor {
- __u8 bLength; /* in bytes: 8 + (ns * 3) */
- __u8 bDescriptorType; /* USB_DT_CS_INTERFACE */
- __u8 bDescriptorSubtype; /* FORMAT_TYPE */
- __u8 bFormatType; /* FORMAT_TYPE_1 */
- __u8 bNrChannels; /* physical channels in the stream */
- __u8 bSubframeSize; /* */
- __u8 bBitResolution;
- __u8 bSamFreqType;
- __u8 tLowerSamFreq[3];
- __u8 tUpperSamFreq[3];
-} __attribute__ ((packed));
-
-#define UAC_FORMAT_TYPE_I_CONTINUOUS_DESC_SIZE 14
-
-struct uac_format_type_i_discrete_descriptor {
- __u8 bLength; /* in bytes: 8 + (ns * 3) */
- __u8 bDescriptorType; /* USB_DT_CS_INTERFACE */
- __u8 bDescriptorSubtype; /* FORMAT_TYPE */
- __u8 bFormatType; /* FORMAT_TYPE_1 */
- __u8 bNrChannels; /* physical channels in the stream */
- __u8 bSubframeSize; /* */
- __u8 bBitResolution;
- __u8 bSamFreqType;
- __u8 tSamFreq[][3];
-} __attribute__ ((packed));
-
-#define DECLARE_UAC_FORMAT_TYPE_I_DISCRETE_DESC(n) \
-struct uac_format_type_i_discrete_descriptor_##n { \
- __u8 bLength; \
- __u8 bDescriptorType; \
- __u8 bDescriptorSubtype; \
- __u8 bFormatType; \
- __u8 bNrChannels; \
- __u8 bSubframeSize; \
- __u8 bBitResolution; \
- __u8 bSamFreqType; \
- __u8 tSamFreq[n][3]; \
-} __attribute__ ((packed))
-
-#define UAC_FORMAT_TYPE_I_DISCRETE_DESC_SIZE(n) (8 + (n * 3))
-
-struct uac_format_type_i_ext_descriptor {
- __u8 bLength;
- __u8 bDescriptorType;
- __u8 bDescriptorSubtype;
- __u8 bFormatType;
- __u8 bSubslotSize;
- __u8 bBitResolution;
- __u8 bHeaderLength;
- __u8 bControlSize;
- __u8 bSideBandProtocol;
-} __attribute__((packed));
-
-/* Formats - Audio Data Format Type I Codes */
-
-#define UAC_FORMAT_TYPE_II_MPEG 0x1001
-#define UAC_FORMAT_TYPE_II_AC3 0x1002
-
-struct uac_format_type_ii_discrete_descriptor {
- __u8 bLength;
- __u8 bDescriptorType;
- __u8 bDescriptorSubtype;
- __u8 bFormatType;
- __le16 wMaxBitRate;
- __le16 wSamplesPerFrame;
- __u8 bSamFreqType;
- __u8 tSamFreq[][3];
-} __attribute__((packed));
-
-struct uac_format_type_ii_ext_descriptor {
- __u8 bLength;
- __u8 bDescriptorType;
- __u8 bDescriptorSubtype;
- __u8 bFormatType;
- __u16 wMaxBitRate;
- __u16 wSamplesPerFrame;
- __u8 bHeaderLength;
- __u8 bSideBandProtocol;
-} __attribute__((packed));
-
-/* type III */
-#define UAC_FORMAT_TYPE_III_IEC1937_AC3 0x2001
-#define UAC_FORMAT_TYPE_III_IEC1937_MPEG1_LAYER1 0x2002
-#define UAC_FORMAT_TYPE_III_IEC1937_MPEG2_NOEXT 0x2003
-#define UAC_FORMAT_TYPE_III_IEC1937_MPEG2_EXT 0x2004
-#define UAC_FORMAT_TYPE_III_IEC1937_MPEG2_LAYER1_LS 0x2005
-#define UAC_FORMAT_TYPE_III_IEC1937_MPEG2_LAYER23_LS 0x2006
-
-/* Formats - A.2 Format Type Codes */
-#define UAC_FORMAT_TYPE_UNDEFINED 0x0
-#define UAC_FORMAT_TYPE_I 0x1
-#define UAC_FORMAT_TYPE_II 0x2
-#define UAC_FORMAT_TYPE_III 0x3
-#define UAC_EXT_FORMAT_TYPE_I 0x81
-#define UAC_EXT_FORMAT_TYPE_II 0x82
-#define UAC_EXT_FORMAT_TYPE_III 0x83
-
-struct uac_iso_endpoint_descriptor {
- __u8 bLength; /* in bytes: 7 */
- __u8 bDescriptorType; /* USB_DT_CS_ENDPOINT */
- __u8 bDescriptorSubtype; /* EP_GENERAL */
- __u8 bmAttributes;
- __u8 bLockDelayUnits;
- __le16 wLockDelay;
-} __attribute__((packed));
-#define UAC_ISO_ENDPOINT_DESC_SIZE 7
-
-#define UAC_EP_CS_ATTR_SAMPLE_RATE 0x01
-#define UAC_EP_CS_ATTR_PITCH_CONTROL 0x02
-#define UAC_EP_CS_ATTR_FILL_MAX 0x80
-
-/* status word format (3.7.1.1) */
-
-#define UAC1_STATUS_TYPE_ORIG_MASK 0x0f
-#define UAC1_STATUS_TYPE_ORIG_AUDIO_CONTROL_IF 0x0
-#define UAC1_STATUS_TYPE_ORIG_AUDIO_STREAM_IF 0x1
-#define UAC1_STATUS_TYPE_ORIG_AUDIO_STREAM_EP 0x2
-
-#define UAC1_STATUS_TYPE_IRQ_PENDING (1 << 7)
-#define UAC1_STATUS_TYPE_MEM_CHANGED (1 << 6)
-
-struct uac1_status_word {
- __u8 bStatusType;
- __u8 bOriginator;
-} __attribute__((packed));
-
-#ifdef __KERNEL__
struct usb_audio_control {
struct list_head list;
struct usb_descriptor_header *desc;
};
-#endif /* __KERNEL__ */
-
#endif /* __LINUX_USB_AUDIO_H */
projects / platform / adaptation / renesas_rcar / renesas_kernel.git / blobdiff