From 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 02:46:07 +0000
Subject: [PATCH] add audio

---
 kernel/include/uapi/linux/media.h |   35 ++++++++++++++++++++++++-----------
 1 files changed, 24 insertions(+), 11 deletions(-)

diff --git a/kernel/include/uapi/linux/media.h b/kernel/include/uapi/linux/media.h
index 36f76e7..383ac7b 100644
--- a/kernel/include/uapi/linux/media.h
+++ b/kernel/include/uapi/linux/media.h
@@ -146,7 +146,7 @@
 #define MEDIA_ENT_FL_CONNECTOR			(1 << 1)
 
 /* OR with the entity id value to find the next entity */
-#define MEDIA_ENT_ID_FLAG_NEXT			(1 << 31)
+#define MEDIA_ENT_ID_FLAG_NEXT			(1U << 31)
 
 struct media_entity_desc {
 	__u32 id;
@@ -262,6 +262,11 @@
 #define MEDIA_INTF_T_V4L_SWRADIO		(MEDIA_INTF_T_V4L_BASE + 4)
 #define MEDIA_INTF_T_V4L_TOUCH			(MEDIA_INTF_T_V4L_BASE + 5)
 
+#define MEDIA_INTF_T_ALSA_BASE			0x00000300
+#define MEDIA_INTF_T_ALSA_PCM_CAPTURE		(MEDIA_INTF_T_ALSA_BASE)
+#define MEDIA_INTF_T_ALSA_PCM_PLAYBACK		(MEDIA_INTF_T_ALSA_BASE + 1)
+#define MEDIA_INTF_T_ALSA_CONTROL		(MEDIA_INTF_T_ALSA_BASE + 2)
+
 #if defined(__KERNEL__)
 
 /*
@@ -369,6 +374,14 @@
 #define MEDIA_IOC_ENUM_LINKS	_IOWR('|', 0x02, struct media_links_enum)
 #define MEDIA_IOC_SETUP_LINK	_IOWR('|', 0x03, struct media_link_desc)
 #define MEDIA_IOC_G_TOPOLOGY	_IOWR('|', 0x04, struct media_v2_topology)
+#define MEDIA_IOC_REQUEST_ALLOC	_IOR ('|', 0x05, int)
+
+/*
+ * These ioctls are called on the request file descriptor as returned
+ * by MEDIA_IOC_REQUEST_ALLOC.
+ */
+#define MEDIA_REQUEST_IOC_QUEUE		_IO('|',  0x80)
+#define MEDIA_REQUEST_IOC_REINIT	_IO('|',  0x81)
 
 #ifndef __KERNEL__
 
@@ -405,19 +418,19 @@
 #define MEDIA_ENT_F_DTV_DECODER			MEDIA_ENT_F_DV_DECODER
 
 /*
- * There is still no ALSA support in the media controller. These
+ * There is still no full ALSA support in the media controller. These
  * defines should not have been added and we leave them here only
  * in case some application tries to use these defines.
+ *
+ * The ALSA defines that are in use have been moved into __KERNEL__
+ * scope. As support gets added to these interface types, they should
+ * be moved into __KERNEL__ scope with the code that uses them.
  */
-#define MEDIA_INTF_T_ALSA_BASE			0x00000300
-#define MEDIA_INTF_T_ALSA_PCM_CAPTURE		(MEDIA_INTF_T_ALSA_BASE)
-#define MEDIA_INTF_T_ALSA_PCM_PLAYBACK		(MEDIA_INTF_T_ALSA_BASE + 1)
-#define MEDIA_INTF_T_ALSA_CONTROL		(MEDIA_INTF_T_ALSA_BASE + 2)
-#define MEDIA_INTF_T_ALSA_COMPRESS		(MEDIA_INTF_T_ALSA_BASE + 3)
-#define MEDIA_INTF_T_ALSA_RAWMIDI		(MEDIA_INTF_T_ALSA_BASE + 4)
-#define MEDIA_INTF_T_ALSA_HWDEP			(MEDIA_INTF_T_ALSA_BASE + 5)
-#define MEDIA_INTF_T_ALSA_SEQUENCER		(MEDIA_INTF_T_ALSA_BASE + 6)
-#define MEDIA_INTF_T_ALSA_TIMER			(MEDIA_INTF_T_ALSA_BASE + 7)
+#define MEDIA_INTF_T_ALSA_COMPRESS             (MEDIA_INTF_T_ALSA_BASE + 3)
+#define MEDIA_INTF_T_ALSA_RAWMIDI              (MEDIA_INTF_T_ALSA_BASE + 4)
+#define MEDIA_INTF_T_ALSA_HWDEP                (MEDIA_INTF_T_ALSA_BASE + 5)
+#define MEDIA_INTF_T_ALSA_SEQUENCER            (MEDIA_INTF_T_ALSA_BASE + 6)
+#define MEDIA_INTF_T_ALSA_TIMER                (MEDIA_INTF_T_ALSA_BASE + 7)
 
 /* Obsolete symbol for media_version, no longer used in the kernel */
 #define MEDIA_API_VERSION			((0 << 16) | (1 << 8) | 0)

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