ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/include/sound/hwdep.h b/marvell/linux/include/sound/hwdep.h
new file mode 100644
index 0000000..d99a530
--- /dev/null
+++ b/marvell/linux/include/sound/hwdep.h
@@ -0,0 +1,72 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#ifndef __SOUND_HWDEP_H
+#define __SOUND_HWDEP_H
+
+/*
+ * Hardware dependent layer
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
+ */
+
+#include <sound/asound.h>
+#include <linux/poll.h>
+#include <linux/android_kabi.h>
+
+struct snd_hwdep;
+
+/* hwdep file ops; all ops can be NULL */
+struct snd_hwdep_ops {
+ long long (*llseek)(struct snd_hwdep *hw, struct file *file,
+ long long offset, int orig);
+ long (*read)(struct snd_hwdep *hw, char __user *buf,
+ long count, loff_t *offset);
+ long (*write)(struct snd_hwdep *hw, const char __user *buf,
+ long count, loff_t *offset);
+ int (*open)(struct snd_hwdep *hw, struct file * file);
+ int (*release)(struct snd_hwdep *hw, struct file * file);
+ __poll_t (*poll)(struct snd_hwdep *hw, struct file *file,
+ poll_table *wait);
+ int (*ioctl)(struct snd_hwdep *hw, struct file *file,
+ unsigned int cmd, unsigned long arg);
+ int (*ioctl_compat)(struct snd_hwdep *hw, struct file *file,
+ unsigned int cmd, unsigned long arg);
+ int (*mmap)(struct snd_hwdep *hw, struct file *file,
+ struct vm_area_struct *vma);
+ int (*dsp_status)(struct snd_hwdep *hw,
+ struct snd_hwdep_dsp_status *status);
+ int (*dsp_load)(struct snd_hwdep *hw,
+ struct snd_hwdep_dsp_image *image);
+
+ ANDROID_KABI_RESERVE(1);
+};
+
+struct snd_hwdep {
+ struct snd_card *card;
+ struct list_head list;
+ int device;
+ char id[32];
+ char name[80];
+ int iface;
+
+#ifdef CONFIG_SND_OSSEMUL
+ int oss_type;
+ int ossreg;
+#endif
+
+ struct snd_hwdep_ops ops;
+ wait_queue_head_t open_wait;
+ void *private_data;
+ void (*private_free) (struct snd_hwdep *hwdep);
+ struct device dev;
+
+ struct mutex open_mutex;
+ int used; /* reference counter */
+ unsigned int dsp_loaded; /* bit fields of loaded dsp indices */
+ unsigned int exclusive:1; /* exclusive access mode */
+
+ ANDROID_KABI_RESERVE(1);
+};
+
+extern int snd_hwdep_new(struct snd_card *card, char *id, int device,
+ struct snd_hwdep **rhwdep);
+
+#endif /* __SOUND_HWDEP_H */