diff options
Diffstat (limited to '')
| -rw-r--r-- | sound/firewire/oxfw/oxfw.h | 29 |
1 files changed, 24 insertions, 5 deletions
diff --git a/sound/firewire/oxfw/oxfw.h b/sound/firewire/oxfw/oxfw.h index fa2d7f9e2dc3..d728e451a25c 100644 --- a/sound/firewire/oxfw/oxfw.h +++ b/sound/firewire/oxfw/oxfw.h @@ -32,6 +32,28 @@ #include "../amdtp-am824.h" #include "../cmp.h" +enum snd_oxfw_quirk { + // Postpone transferring packets during handling asynchronous transaction. As a result, + // next isochronous packet includes more events than one packet can include. + SND_OXFW_QUIRK_JUMBO_PAYLOAD = 0x01, + // The dbs field of CIP header in tx packet is wrong. + SND_OXFW_QUIRK_WRONG_DBS = 0x02, + // Blocking transmission mode is used. + SND_OXFW_QUIRK_BLOCKING_TRANSMISSION = 0x04, + // Stanton SCS1.d and SCS1.m support unique transaction. + SND_OXFW_QUIRK_SCS_TRANSACTION = 0x08, + // Apogee Duet FireWire ignores data blocks in packet with NO_INFO for audio data + // processing, while output level meter moves. Any value in syt field of packet takes + // the device to process audio data even if the value is invalid in a point of + // IEC 61883-1/6. + SND_OXFW_QUIRK_IGNORE_NO_INFO_PACKET = 0x10, + // Loud Technologies Mackie Onyx 1640i seems to configure OXFW971 ASIC so that it decides + // event frequency according to events in received isochronous packets. The device looks to + // performs media clock recovery voluntarily. In the recovery, the packets with NO_INFO + // are ignored, thus driver should transfer packets with timestamp. + SND_OXFW_QUIRK_VOLUNTARY_RECOVERY = 0x20, +}; + /* This is an arbitrary number for convinience. */ #define SND_OXFW_STREAM_FORMAT_ENTRIES 10 struct snd_oxfw { @@ -40,10 +62,8 @@ struct snd_oxfw { struct mutex mutex; spinlock_t lock; - bool registered; - struct delayed_work dwork; - - bool wrong_dbs; + // The combination of snd_oxfw_quirk enumeration-constants. + unsigned int quirks; bool has_output; bool has_input; u8 *tx_stream_formats[SND_OXFW_STREAM_FORMAT_ENTRIES]; @@ -62,7 +82,6 @@ struct snd_oxfw { bool dev_lock_changed; wait_queue_head_t hwdep_wait; - const struct ieee1394_device_id *entry; void *spec; struct amdtp_domain domain; |