leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ALSA: oxfw: add quirk flag for blocking transmission method

Browse Source 
Stanton SCS.1m and Apogee Duet FireWire use blocking transmission method
unlike the other models.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Link: https://lore.kernel.org/r/20210518084557.102681-12-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Sakamoto 2021-05-18 17:45:57 +09:00 committed by Takashi Iwai
parent a6f9169323
commit 07a35edc59
3 changed files with 19 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
sound/firewire/oxfw/oxfw-stream.c
View File

@ -153,9 +153,14 @@ static int init_stream(struct snd_oxfw *oxfw, struct amdtp_stream *stream)
struct cmp_connection *conn;
enum cmp_direction c_dir;
enum amdtp_stream_direction s_dir;
unsigned int flags = CIP_NONBLOCKING;
unsigned int flags;
int err;
if (!(oxfw->quirks & SND_OXFW_QUIRK_BLOCKING_TRANSMISSION))
flags = CIP_NONBLOCKING;
else
flags = CIP_BLOCKING;
if (stream == &oxfw->tx_stream) {
conn = &oxfw->out_conn;
c_dir = CMP_OUTPUT;

14
sound/firewire/oxfw/oxfw.c
View File

@ -23,6 +23,8 @@
#define OUI_APOGEE 0x0003db
#define MODEL_SATELLITE 0x00200f
#define MODEL_SCS1M 0x001000
#define MODEL_DUET_FW 0x01dddd
#define SPECIFIER_1394TA 0x00a02d
#define VERSION_AVC 0x010001
@ -144,13 +146,19 @@ static int detect_quirks(struct snd_oxfw *oxfw)
* messages.
*/
if (oxfw->entry->vendor_id == OUI_STANTON) {
/* No physical MIDI ports. */
if (oxfw->entry->model_id == MODEL_SCS1M)
oxfw->quirks |= SND_OXFW_QUIRK_BLOCKING_TRANSMISSION;
// No physical MIDI ports.
oxfw->midi_input_ports = 0;
oxfw->midi_output_ports = 0;
return snd_oxfw_scs1x_add(oxfw);
}
if (oxfw->entry->vendor_id == OUI_APOGEE && oxfw->entry->model_id == MODEL_DUET_FW)
oxfw->quirks |= SND_OXFW_QUIRK_BLOCKING_TRANSMISSION;
/*
* TASCAM FireOne has physical control and requires a pair of additional
* MIDI ports.
@ -377,11 +385,11 @@ static const struct ieee1394_device_id oxfw_id_table[] = {
// TASCAM, FireOne.
OXFW_DEV_ENTRY(VENDOR_TASCAM, 0x800007, NULL),
// Stanton, Stanton Controllers & Systems 1 Mixer (SCS.1m).
OXFW_DEV_ENTRY(OUI_STANTON, 0x001000, NULL),
OXFW_DEV_ENTRY(OUI_STANTON, MODEL_SCS1M, NULL),
// Stanton, Stanton Controllers & Systems 1 Deck (SCS.1d).
OXFW_DEV_ENTRY(OUI_STANTON, 0x002000, NULL),
// APOGEE, duet FireWire.
OXFW_DEV_ENTRY(OUI_APOGEE, 0x01dddd, NULL),
OXFW_DEV_ENTRY(OUI_APOGEE, MODEL_DUET_FW, NULL),
{ }
};
MODULE_DEVICE_TABLE(ieee1394, oxfw_id_table);

2
sound/firewire/oxfw/oxfw.h
View File

@ -38,6 +38,8 @@ enum snd_oxfw_quirk {
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,
};
/* This is an arbitrary number for convinience. */