aboutsummaryrefslogtreecommitdiff
path: root/include/uapi
diff options
context:
space:
mode:
authorGravatar Geoffrey D. Bennett <g@b4.vu> 2023-12-20 04:09:23 +1030
committerGravatar Takashi Iwai <tiwai@suse.de> 2023-12-29 15:39:27 +0100
commit337b2f0e778f78f61972497994b70a05e8f6447d (patch)
tree2f8e677859e243d5d61d2566f7ebdfe41473c7c6 /include/uapi
parentALSA: scarlett2: Retrieve useful flash segment numbers (diff)
downloadlinux-337b2f0e778f78f61972497994b70a05e8f6447d.tar.gz
linux-337b2f0e778f78f61972497994b70a05e8f6447d.tar.bz2
linux-337b2f0e778f78f61972497994b70a05e8f6447d.zip
ALSA: scarlett2: Add skeleton hwdep/ioctl interface
Add skeleton hwdep/ioctl interface, beginning with SCARLETT2_IOCTL_PVERSION and SCARLETT2_IOCTL_REBOOT. Signed-off-by: Geoffrey D. Bennett <g@b4.vu> Link: https://lore.kernel.org/r/24ffcd47a8a02ebad3c8b2438104af8f0169164e.1703001053.git.g@b4.vu Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'include/uapi')
-rw-r--r--include/uapi/sound/scarlett2.h34
1 files changed, 34 insertions, 0 deletions
diff --git a/include/uapi/sound/scarlett2.h b/include/uapi/sound/scarlett2.h
new file mode 100644
index 000000000000..ec0b7da335ff
--- /dev/null
+++ b/include/uapi/sound/scarlett2.h
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * Focusrite Scarlett 2 Protocol Driver for ALSA
+ * (including Scarlett 2nd Gen, 3rd Gen, Clarett USB, and Clarett+
+ * series products)
+ *
+ * Copyright (c) 2023 by Geoffrey D. Bennett <g at b4.vu>
+ */
+#ifndef __UAPI_SOUND_SCARLETT2_H
+#define __UAPI_SOUND_SCARLETT2_H
+
+#include <linux/types.h>
+#include <linux/ioctl.h>
+
+#define SCARLETT2_HWDEP_MAJOR 1
+#define SCARLETT2_HWDEP_MINOR 0
+#define SCARLETT2_HWDEP_SUBMINOR 0
+
+#define SCARLETT2_HWDEP_VERSION \
+ ((SCARLETT2_HWDEP_MAJOR << 16) | \
+ (SCARLETT2_HWDEP_MINOR << 8) | \
+ SCARLETT2_HWDEP_SUBMINOR)
+
+#define SCARLETT2_HWDEP_VERSION_MAJOR(v) (((v) >> 16) & 0xFF)
+#define SCARLETT2_HWDEP_VERSION_MINOR(v) (((v) >> 8) & 0xFF)
+#define SCARLETT2_HWDEP_VERSION_SUBMINOR(v) ((v) & 0xFF)
+
+/* Get protocol version */
+#define SCARLETT2_IOCTL_PVERSION _IOR('S', 0x60, int)
+
+/* Reboot */
+#define SCARLETT2_IOCTL_REBOOT _IO('S', 0x61)
+
+#endif /* __UAPI_SOUND_SCARLETT2_H */