diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/usb/audio-v2.h | 12 | ||||
| -rw-r--r-- | include/linux/usb/audio.h | 15 |
2 files changed, 27 insertions, 0 deletions
diff --git a/include/linux/usb/audio-v2.h b/include/linux/usb/audio-v2.h index 0952231..2389f93 100644 --- a/include/linux/usb/audio-v2.h +++ b/include/linux/usb/audio-v2.h @@ -105,6 +105,17 @@ struct uac_as_header_descriptor_v2 { __u8 iChannelNames; } __attribute__((packed)); +/* 6.1 Interrupt Data Message */ + +#define UAC2_INTERRUPT_DATA_MSG_VENDOR (1 << 0) +#define UAC2_INTERRUPT_DATA_MSG_EP (1 << 1) + +struct uac2_interrupt_data_msg { + __u8 bInfo; + __u8 bAttribute; + __le16 wValue; + __le16 wIndex; +} __attribute__((packed)); /* A.7 Audio Function Category Codes */ #define UAC2_FUNCTION_SUBCLASS_UNDEFINED 0x00 @@ -153,6 +164,7 @@ struct uac_as_header_descriptor_v2 { /* A.14 Audio Class-Specific Request Codes */ #define UAC2_CS_CUR 0x01 #define UAC2_CS_RANGE 0x02 +#define UAC2_CS_MEM 0x03 /* A.15 Encoder Type Codes */ #define UAC2_ENCODER_UNDEFINED 0x00 diff --git a/include/linux/usb/audio.h b/include/linux/usb/audio.h index 9fae6bd..c0ef18d 100644 --- a/include/linux/usb/audio.h +++ b/include/linux/usb/audio.h @@ -488,6 +488,21 @@ struct uac_iso_endpoint_descriptor { #define UAC_FU_BASS_BOOST (1 << (UAC_BASS_BOOST_CONTROL - 1)) #define UAC_FU_LOUDNESS (1 << (UAC_LOUDNESS_CONTROL - 1)) +/* 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 { |