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-rw-r--r--sound/firewire/oxfw/oxfw-stream.c100
-rw-r--r--sound/firewire/oxfw/oxfw.c10
-rw-r--r--sound/firewire/oxfw/oxfw.h7
3 files changed, 91 insertions, 26 deletions
diff --git a/sound/firewire/oxfw/oxfw-stream.c b/sound/firewire/oxfw/oxfw-stream.c
index f4a702def397..00f7feb91f92 100644
--- a/sound/firewire/oxfw/oxfw-stream.c
+++ b/sound/firewire/oxfw/oxfw-stream.c
@@ -177,6 +177,8 @@ static int init_stream(struct snd_oxfw *oxfw, struct amdtp_stream *stream)
flags |= CIP_JUMBO_PAYLOAD;
if (oxfw->quirks & SND_OXFW_QUIRK_WRONG_DBS)
flags |= CIP_WRONG_DBS;
+ if (oxfw->quirks & SND_OXFW_QUIRK_DBC_IS_TOTAL_PAYLOAD_QUADLETS)
+ flags |= CIP_DBC_IS_END_EVENT | CIP_DBC_IS_PAYLOAD_QUADLETS;
} else {
conn = &oxfw->in_conn;
c_dir = CMP_INPUT;
@@ -486,26 +488,57 @@ int snd_oxfw_stream_get_current_formation(struct snd_oxfw *oxfw,
enum avc_general_plug_dir dir,
struct snd_oxfw_stream_formation *formation)
{
- u8 *format;
- unsigned int len;
int err;
- len = AVC_GENERIC_FRAME_MAXIMUM_BYTES;
- format = kmalloc(len, GFP_KERNEL);
- if (format == NULL)
- return -ENOMEM;
+ if (!(oxfw->quirks & SND_OXFW_QUIRK_STREAM_FORMAT_INFO_UNSUPPORTED)) {
+ u8 *format;
+ unsigned int len;
- err = avc_stream_get_format_single(oxfw->unit, dir, 0, format, &len);
- if (err < 0)
- goto end;
- if (len < 3) {
- err = -EIO;
- goto end;
+ len = AVC_GENERIC_FRAME_MAXIMUM_BYTES;
+ format = kmalloc(len, GFP_KERNEL);
+ if (format == NULL)
+ return -ENOMEM;
+
+ err = avc_stream_get_format_single(oxfw->unit, dir, 0, format, &len);
+ if (err >= 0) {
+ if (len < 3)
+ err = -EIO;
+ else
+ err = snd_oxfw_stream_parse_format(format, formation);
+ }
+
+ kfree(format);
+ } else {
+ // Miglia Harmony Audio does not support Extended Stream Format Information
+ // command. Use the duplicated hard-coded format, instead.
+ unsigned int rate;
+ u8 *const *formats;
+ int i;
+
+ err = avc_general_get_sig_fmt(oxfw->unit, &rate, dir, 0);
+ if (err < 0)
+ return err;
+
+ if (dir == AVC_GENERAL_PLUG_DIR_IN)
+ formats = oxfw->rx_stream_formats;
+ else
+ formats = oxfw->tx_stream_formats;
+
+ for (i = 0; (i < SND_OXFW_STREAM_FORMAT_ENTRIES); ++i) {
+ if (!formats[i])
+ continue;
+
+ err = snd_oxfw_stream_parse_format(formats[i], formation);
+ if (err < 0)
+ continue;
+
+ if (formation->rate == rate)
+ break;
+ }
+ if (i == SND_OXFW_STREAM_FORMAT_ENTRIES)
+ return -EIO;
}
- err = snd_oxfw_stream_parse_format(format, formation);
-end:
- kfree(format);
return err;
}
@@ -515,7 +548,7 @@ end:
* in AV/C Stream Format Information Specification 1.1 (Apr 2005, 1394TA)
* Also 'Clause 12 AM824 sequence adaption layers' in IEC 61883-6:2005
*/
-int snd_oxfw_stream_parse_format(u8 *format,
+int snd_oxfw_stream_parse_format(const u8 *format,
struct snd_oxfw_stream_formation *formation)
{
unsigned int i, e, channels, type;
@@ -600,14 +633,33 @@ assume_stream_formats(struct snd_oxfw *oxfw, enum avc_general_plug_dir dir,
unsigned int i, eid;
int err;
- /* get format at current sampling rate */
- err = avc_stream_get_format_single(oxfw->unit, dir, pid, buf, len);
- if (err < 0) {
- dev_err(&oxfw->unit->device,
- "fail to get current stream format for isoc %s plug %d:%d\n",
- (dir == AVC_GENERAL_PLUG_DIR_IN) ? "in" : "out",
- pid, err);
- goto end;
+ // get format at current sampling rate.
+ if (!(oxfw->quirks & SND_OXFW_QUIRK_STREAM_FORMAT_INFO_UNSUPPORTED)) {
+ err = avc_stream_get_format_single(oxfw->unit, dir, pid, buf, len);
+ if (err < 0) {
+ dev_err(&oxfw->unit->device,
+ "fail to get current stream format for isoc %s plug %d:%d\n",
+ (dir == AVC_GENERAL_PLUG_DIR_IN) ? "in" : "out",
+ pid, err);
+ goto end;
+ }
+ } else {
+ // Miglia Harmony Audio does not support Extended Stream Format Information
+ // command. Use the hard-coded format, instead.
+ buf[0] = 0x90;
+ buf[1] = 0x40;
+ buf[2] = avc_stream_rate_table[0];
+ buf[3] = 0x00;
+ buf[4] = 0x01;
+
+ if (dir == AVC_GENERAL_PLUG_DIR_IN)
+ buf[5] = 0x08;
+ else
+ buf[5] = 0x02;
+
+ buf[6] = 0x06;
+
+ *len = 7;
}
/* parse and set stream format */
diff --git a/sound/firewire/oxfw/oxfw.c b/sound/firewire/oxfw/oxfw.c
index 241a697ce26b..98ae0e8cba87 100644
--- a/sound/firewire/oxfw/oxfw.c
+++ b/sound/firewire/oxfw/oxfw.c
@@ -21,6 +21,7 @@
#define VENDOR_TASCAM 0x00022e
#define OUI_STANTON 0x001260
#define OUI_APOGEE 0x0003db
+#define OUI_OXFORD 0x0030e0
#define MODEL_SATELLITE 0x00200f
#define MODEL_SCS1M 0x001000
@@ -232,6 +233,11 @@ static int oxfw_probe(struct fw_unit *unit, const struct ieee1394_device_id *ent
if (err < 0)
goto error;
+ if (entry->vendor_id == OUI_OXFORD && entry->model_id == 0x00f970) {
+ oxfw->quirks |= SND_OXFW_QUIRK_STREAM_FORMAT_INFO_UNSUPPORTED |
+ SND_OXFW_QUIRK_DBC_IS_TOTAL_PAYLOAD_QUADLETS;
+ }
+
err = snd_oxfw_stream_discover(oxfw);
if (err < 0)
goto error;
@@ -330,6 +336,9 @@ static const struct ieee1394_device_id oxfw_id_table[] = {
//
OXFW_DEV_ENTRY(VENDOR_GRIFFIN, 0x00f970, &griffin_firewave),
OXFW_DEV_ENTRY(VENDOR_LACIE, 0x00f970, &lacie_speakers),
+ // Miglia HarmonyAudio (HA02). The numeric vendor ID is ASIC vendor and the model ID is the
+ // default value of ASIC.
+ OXFW_DEV_ENTRY(OUI_OXFORD, 0x00f970, NULL),
// Behringer,F-Control Audio 202. The value of SYT field is not reliable at all.
OXFW_DEV_ENTRY(VENDOR_BEHRINGER, 0x00fc22, NULL),
// Loud Technologies, Tapco Link.FireWire 4x6. The value of SYT field is always 0xffff.
@@ -337,7 +346,6 @@ static const struct ieee1394_device_id oxfw_id_table[] = {
// Loud Technologies, Mackie Onyx Satellite. Although revised version of firmware is
// installed to avoid the postpone, the value of SYT field is always 0xffff.
OXFW_DEV_ENTRY(VENDOR_LOUD, MODEL_SATELLITE, NULL),
- // Miglia HarmonyAudio. Not yet identified.
//
// OXFW971 devices:
diff --git a/sound/firewire/oxfw/oxfw.h b/sound/firewire/oxfw/oxfw.h
index d728e451a25c..39ea9a6dde33 100644
--- a/sound/firewire/oxfw/oxfw.h
+++ b/sound/firewire/oxfw/oxfw.h
@@ -52,6 +52,11 @@ enum snd_oxfw_quirk {
// 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. */
@@ -136,7 +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,
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-05 09:16:47 +0000