From 748e4f3d702def1a4bff191e0cf93b6a05340f01 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:41:34 +0000
Subject: [PATCH] add gpio led uart
---
kernel/include/sound/core.h | 68 +++++++++++++++++++++-------------
1 files changed, 42 insertions(+), 26 deletions(-)
diff --git a/kernel/include/sound/core.h b/kernel/include/sound/core.h
index 3b8274e..578d1c6 100644
--- a/kernel/include/sound/core.h
+++ b/kernel/include/sound/core.h
@@ -1,25 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
#ifndef __SOUND_CORE_H
#define __SOUND_CORE_H
/*
* Main header file for the ALSA driver
* Copyright (c) 1994-2001 by Jaroslav Kysela <perex@perex.cz>
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
*/
#include <linux/device.h>
@@ -29,6 +14,7 @@
#include <linux/pm.h> /* pm_message_t */
#include <linux/stringify.h>
#include <linux/printk.h>
+#include <linux/android_kabi.h>
/* number of supported soundcards */
#ifdef CONFIG_SND_DYNAMIC_MINORS
@@ -76,6 +62,8 @@
int (*dev_free)(struct snd_device *dev);
int (*dev_register)(struct snd_device *dev);
int (*dev_disconnect)(struct snd_device *dev);
+
+ ANDROID_KABI_RESERVE(1);
};
struct snd_device {
@@ -84,7 +72,9 @@
enum snd_device_state state; /* state of the device */
enum snd_device_type type; /* device type */
void *device_data; /* device structure */
- struct snd_device_ops *ops; /* operations */
+ const struct snd_device_ops *ops; /* operations */
+
+ ANDROID_KABI_RESERVE(1);
};
#define snd_device(n) list_entry(n, struct snd_device, list)
@@ -120,7 +110,6 @@
struct list_head ctl_files; /* active control files */
struct snd_info_entry *proc_root; /* root for soundcard specific files */
- struct snd_info_entry *proc_id; /* the card id */
struct proc_dir_entry *proc_root_link; /* number link to real id */
struct list_head files_list; /* all files associated to this card */
@@ -133,10 +122,11 @@
struct device card_dev; /* cardX object for sysfs */
const struct attribute_group *dev_groups[4]; /* assigned sysfs attr */
bool registered; /* card_dev is registered? */
+ int sync_irq; /* assigned irq, used for PCM sync */
wait_queue_head_t remove_sleep;
- int offline; /* if this sound card is offline */
- unsigned long offline_change;
- wait_queue_head_t offline_poll_wait;
+
+ size_t total_pcm_alloc_bytes; /* total amount of allocated buffers */
+ struct mutex memory_mutex; /* protection for the above */
#ifdef CONFIG_PM
unsigned int power_state; /* power state */
@@ -147,6 +137,9 @@
struct snd_mixer_oss *mixer_oss;
int mixer_oss_change_count;
#endif
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
#define dev_to_snd_card(p) container_of(p, struct snd_card, card_dev)
@@ -182,6 +175,8 @@
void *private_data; /* private data for f_ops->open */
struct device *dev; /* device for sysfs */
struct snd_card *card_ptr; /* assigned card instance */
+
+ ANDROID_KABI_RESERVE(1);
};
/* return a device pointer linked to each sound device as a parent */
@@ -230,7 +225,6 @@
/* init.c */
-extern struct snd_card *snd_cards[SNDRV_CARDS];
int snd_card_locked(int card);
#if IS_ENABLED(CONFIG_SND_MIXER_OSS)
#define SND_MIXER_OSS_NOTIFY_REGISTER 0
@@ -255,21 +249,34 @@
int snd_component_add(struct snd_card *card, const char *component);
int snd_card_file_add(struct snd_card *card, struct file *file);
int snd_card_file_remove(struct snd_card *card, struct file *file);
-#define snd_card_unref(card) put_device(&(card)->card_dev)
-void snd_card_change_online_state(struct snd_card *card, int online);
+
+struct snd_card *snd_card_ref(int card);
+
+/**
+ * snd_card_unref - Unreference the card object
+ * @card: the card object to unreference
+ *
+ * Call this function for the card object that was obtained via snd_card_ref()
+ * or snd_lookup_minor_data().
+ */
+static inline void snd_card_unref(struct snd_card *card)
+{
+ put_device(&card->card_dev);
+}
#define snd_card_set_dev(card, devptr) ((card)->dev = (devptr))
/* device.c */
int snd_device_new(struct snd_card *card, enum snd_device_type type,
- void *device_data, struct snd_device_ops *ops);
+ void *device_data, const struct snd_device_ops *ops);
int snd_device_register(struct snd_card *card, void *device_data);
int snd_device_register_all(struct snd_card *card);
void snd_device_disconnect(struct snd_card *card, void *device_data);
void snd_device_disconnect_all(struct snd_card *card);
void snd_device_free(struct snd_card *card, void *device_data);
void snd_device_free_all(struct snd_card *card);
+int snd_device_get_state(struct snd_card *card, void *device_data);
/* isadma.c */
@@ -335,7 +342,8 @@
#define snd_BUG() WARN(1, "BUG?\n")
/**
- * Suppress high rates of output when CONFIG_SND_DEBUG is enabled.
+ * snd_printd_ratelimit - Suppress high rates of output when
+ * CONFIG_SND_DEBUG is enabled.
*/
#define snd_printd_ratelimit() printk_ratelimit()
@@ -448,4 +456,12 @@
}
#endif
+/* async signal helpers */
+struct snd_fasync;
+
+int snd_fasync_helper(int fd, struct file *file, int on,
+ struct snd_fasync **fasyncp);
+void snd_kill_fasync(struct snd_fasync *fasync, int signal, int poll);
+void snd_fasync_free(struct snd_fasync *fasync);
+
#endif /* __SOUND_CORE_H */
--
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