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authorTakashi Iwai <tiwai@suse.de>2019-09-14 17:24:57 +0200
committerTakashi Iwai <tiwai@suse.de>2019-09-14 17:26:10 +0200
commitd3f9990f1b48514b33342612b51fad238592d774 (patch)
tree9ad5ae81ba3e820e91a09e2675b7c98675bd809e /sound/firewire/tascam/tascam.h
parentALSA: firewire-tascam: check intermediate state of clock status and retry (diff)
parentMerge tag 'asoc-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next (diff)
downloadlinux-dev-d3f9990f1b48514b33342612b51fad238592d774.tar.xz
linux-dev-d3f9990f1b48514b33342612b51fad238592d774.zip
Merge branch 'for-next' into for-linus
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/firewire/tascam/tascam.h')
-rw-r--r--sound/firewire/tascam/tascam.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/sound/firewire/tascam/tascam.h b/sound/firewire/tascam/tascam.h
index 734e5bb9c3da..15bd335fa07f 100644
--- a/sound/firewire/tascam/tascam.h
+++ b/sound/firewire/tascam/tascam.h
@@ -97,6 +97,8 @@ struct snd_tscm {
struct snd_firewire_tascam_change queue[SND_TSCM_QUEUE_COUNT];
unsigned int pull_pos;
unsigned int push_pos;
+
+ struct amdtp_domain domain;
};
#define TSCM_ADDR_BASE 0xffff00000000ull
@@ -127,6 +129,26 @@ struct snd_tscm {
#define TSCM_OFFSET_MIDI_RX_QUAD 0x4000
+// Although FE-8 supports the above registers, it has no I/O interfaces for
+// audio samples and music messages. Otherwise it supports another notification
+// for status and control message as well as LED brightening. The message
+// consists of quadlet-aligned data up to 32 quadlets. The first byte of message
+// is fixed to 0x40. The second byte is between 0x00 to 0x1f and represent each
+// control:
+// fader: 0x00-0x07
+// button: 0x0d, 0x0e
+// knob: 0x14-0x1b
+// sensing: 0x0b
+//
+// The rest two bytes represent state of the controls; e.g. current value for
+// fader and knob, bitmasks for button and sensing.
+// Just after turning on, 32 quadlets messages with 0x00-0x1f are immediately
+// sent in one transaction. After, several quadlets are sent in one transaction.
+//
+// TSCM_OFFSET_FE8_CTL_TX_ON 0x0310
+// TSCM_OFFSET_FE8_CTL_TX_ADDR_HI 0x0314
+// TSCM_OFFSET_FE8_CTL_TX_ADDR_LO 0x0318
+
enum snd_tscm_clock {
SND_TSCM_CLOCK_INTERNAL = 0,
SND_TSCM_CLOCK_WORD = 1,