diff options
Diffstat (limited to 'sound/usb/usbaudio.h')
| -rw-r--r-- | sound/usb/usbaudio.h | 69 |
1 files changed, 62 insertions, 7 deletions
diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h index 538831cbd925..167834133b9b 100644 --- a/sound/usb/usbaudio.h +++ b/sound/usb/usbaudio.h @@ -34,10 +34,8 @@ struct snd_usb_audio { atomic_t shutdown; atomic_t usage_count; wait_queue_head_t shutdown_wait; - unsigned int txfr_quirk:1; /* Subframe boundaries on transfers */ - unsigned int tx_length_quirk:1; /* Put length specifier in transfers */ + unsigned int quirk_flags; unsigned int need_delayed_register:1; /* warn for delayed registration */ - unsigned int playback_first:1; /* for implicit fb: don't wait for the first capture URBs */ int num_interfaces; int num_suspended_intf; int sample_rate_read_error; @@ -57,6 +55,7 @@ struct snd_usb_audio { bool generic_implicit_fb; /* from the 'implicit_fb' module param */ bool autoclock; /* from the 'autoclock' module param */ + bool lowlatency; /* from the 'lowlatency' module param */ struct usb_host_interface *ctrl_intf; /* the audio control interface */ struct media_device *media_dev; struct media_intf_devnode *ctl_intf_media_devnode; @@ -102,10 +101,7 @@ enum quirk_type { QUIRK_AUDIO_STANDARD_INTERFACE, QUIRK_AUDIO_FIXED_ENDPOINT, QUIRK_AUDIO_EDIROL_UAXX, - QUIRK_AUDIO_ALIGN_TRANSFER, QUIRK_AUDIO_STANDARD_MIXER, - QUIRK_SETUP_FMT_AFTER_RESUME, - QUIRK_SETUP_DISABLE_AUTOSUSPEND, QUIRK_TYPE_COUNT }; @@ -115,7 +111,6 @@ struct snd_usb_audio_quirk { const char *product_name; int16_t ifnum; uint16_t type; - bool shares_media_device; const void *data; }; @@ -129,4 +124,64 @@ void snd_usb_unlock_shutdown(struct snd_usb_audio *chip); extern bool snd_usb_use_vmalloc; extern bool snd_usb_skip_validation; +/* + * Driver behavior quirk flags, stored in chip->quirk_flags + * + * QUIRK_FLAG_GET_SAMPLE_RATE: + * Skip reading sample rate for devices, as some devices behave inconsistently + * or return error + * QUIRK_FLAG_SHARE_MEDIA_DEVICE: + * Create Media Controller API entries + * QUIRK_FLAG_ALIGN_TRANSFER: + * Allow alignment on audio sub-slot (channel samples) rather than on audio + * slots (audio frames) + * QUIRK_TX_LENGTH: + * Add length specifier to transfers + * QUIRK_FLAG_PLAYBACK_FIRST: + * Start playback stream at first even in implement feedback mode + * QUIRK_FLAG_SKIP_CLOCK_SELECTOR: + * Skip clock selector setup; the device may reset to invalid state + * QUIRK_FLAG_IGNORE_CLOCK_SOURCE: + * Ignore errors from clock source search; i.e. hardcoded clock + * QUIRK_FLAG_ITF_USB_DSD_DAC: + * Indicates the device is for ITF-USB DSD based DACs that need a vendor cmd + * to switch between PCM and native DSD mode + * QUIRK_FLAG_CTL_MSG_DELAY: + * Add a delay of 20ms at each control message handling + * QUIRK_FLAG_CTL_MSG_DELAY_1M: + * Add a delay of 1-2ms at each control message handling + * QUIRK_FLAG_CTL_MSG_DELAY_5M: + * Add a delay of 5-6ms at each control message handling + * QUIRK_FLAG_IFACE_DELAY: + * Add a delay of 50ms at each interface setup + * QUIRK_FLAG_VALIDATE_RATES: + * Perform sample rate validations at probe + * QUIRK_FLAG_DISABLE_AUTOSUSPEND: + * Disable runtime PM autosuspend + * QUIRK_FLAG_IGNORE_CTL_ERROR: + * Ignore errors for mixer access + * QUIRK_FLAG_DSD_RAW: + * Support generic DSD raw U32_BE format + * QUIRK_FLAG_SET_IFACE_FIRST: + * Set up the interface at first like UAC1 + */ + +#define QUIRK_FLAG_GET_SAMPLE_RATE (1U << 0) +#define QUIRK_FLAG_SHARE_MEDIA_DEVICE (1U << 1) +#define QUIRK_FLAG_ALIGN_TRANSFER (1U << 2) +#define QUIRK_FLAG_TX_LENGTH (1U << 3) +#define QUIRK_FLAG_PLAYBACK_FIRST (1U << 4) +#define QUIRK_FLAG_SKIP_CLOCK_SELECTOR (1U << 5) +#define QUIRK_FLAG_IGNORE_CLOCK_SOURCE (1U << 6) +#define QUIRK_FLAG_ITF_USB_DSD_DAC (1U << 7) +#define QUIRK_FLAG_CTL_MSG_DELAY (1U << 8) +#define QUIRK_FLAG_CTL_MSG_DELAY_1M (1U << 9) +#define QUIRK_FLAG_CTL_MSG_DELAY_5M (1U << 10) +#define QUIRK_FLAG_IFACE_DELAY (1U << 11) +#define QUIRK_FLAG_VALIDATE_RATES (1U << 12) +#define QUIRK_FLAG_DISABLE_AUTOSUSPEND (1U << 13) +#define QUIRK_FLAG_IGNORE_CTL_ERROR (1U << 14) +#define QUIRK_FLAG_DSD_RAW (1U << 15) +#define QUIRK_FLAG_SET_IFACE_FIRST (1U << 16) + #endif /* __USBAUDIO_H */ |