summaryrefslogtreecommitdiffstats
path: root/sound/firewire/lib.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /sound/firewire/lib.h
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sound/firewire/lib.h')
-rw-r--r--sound/firewire/lib.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/sound/firewire/lib.h b/sound/firewire/lib.h
new file mode 100644
index 0000000000..664dfdb9e5
--- /dev/null
+++ b/sound/firewire/lib.h
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef SOUND_FIREWIRE_LIB_H_INCLUDED
+#define SOUND_FIREWIRE_LIB_H_INCLUDED
+
+#include <linux/firewire-constants.h>
+#include <linux/types.h>
+#include <linux/sched.h>
+#include <sound/rawmidi.h>
+
+struct fw_unit;
+
+#define FW_GENERATION_MASK 0x00ff
+#define FW_FIXED_GENERATION 0x0100
+#define FW_QUIET 0x0200
+
+int snd_fw_transaction(struct fw_unit *unit, int tcode,
+ u64 offset, void *buffer, size_t length,
+ unsigned int flags);
+
+/* returns true if retrying the transaction would not make sense */
+static inline bool rcode_is_permanent_error(int rcode)
+{
+ return rcode == RCODE_TYPE_ERROR || rcode == RCODE_ADDRESS_ERROR;
+}
+
+#endif