Linux 6.9-rc4

[sfrench/cifs-2.6.git] / sound / firewire / oxfw / oxfw.h

diff --git a/sound/firewire/oxfw/oxfw.h b/sound/firewire/oxfw/oxfw.h
index fa2d7f9e2dc394e3ffdeb21ea40bea096bffec31..39ea9a6dde33a5c5a72a26741bc65c0330f9a001 100644 (file)
--- a/sound/firewire/oxfw/oxfw.h
+++ b/sound/firewire/oxfw/oxfw.h
@@ -32,6 +32,33 @@
 #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,
+       // Miglia Harmony Audio does not support AV/C Stream Format Information command.
+       SND_OXFW_QUIRK_STREAM_FORMAT_INFO_UNSUPPORTED = 0x40,
+       // Miglia Harmony Audio transmits CIP in which the value of dbc field expresses the number
+       // of accumulated payload quadlets including the packet.
+       SND_OXFW_QUIRK_DBC_IS_TOTAL_PAYLOAD_QUADLETS = 0x80,
+};
+
 /* This is an arbitrary number for convinience. */
 #define        SND_OXFW_STREAM_FORMAT_ENTRIES  10
 struct snd_oxfw {
@@ -40,10 +67,8 @@ 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 +87,6 @@ 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;
@@ -117,7 +141,7 @@ struct snd_oxfw_stream_formation {
        unsigned int pcm;
        unsigned int midi;
 };
-int snd_oxfw_stream_parse_format(u8 *format,
+int snd_oxfw_stream_parse_format(const u8 *format,
                                 struct snd_oxfw_stream_formation *formation);
 int snd_oxfw_stream_get_current_formation(struct snd_oxfw *oxfw,
                                enum avc_general_plug_dir dir,