audio ok

hc

2023-12-11 223293205a7265c8b02882461ba8996650048ade

 kernel/include/linux/uio_driver.h
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@@ -1,3 +1,4 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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  * include/linux/uio_driver.h
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  *
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@@ -7,8 +8,6 @@
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  * Copyright(C) 2006, Greg Kroah-Hartman <greg@kroah.com>
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  *
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  * Userspace IO driver.
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- *
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- * Licensed under the GPLv2 only.
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  */
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 #ifndef _UIO_DRIVER_H_
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@@ -17,6 +16,7 @@
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 #include <linux/device.h>
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 #include <linux/fs.h>
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 #include <linux/interrupt.h>
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+#include <linux/android_kabi.h>
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 struct module;
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 struct uio_map;
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@@ -25,10 +25,10 @@
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  * struct uio_mem - description of a UIO memory region
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  * @name:		name of the memory region for identification
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  * @addr:               address of the device's memory rounded to page
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- * 			size (phys_addr is used since addr can be
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- * 			logical, virtual, or physical & phys_addr_t
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- * 			should always be large enough to handle any of
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- * 			the address types)
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+ *			size (phys_addr is used since addr can be
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+ *			logical, virtual, or physical & phys_addr_t
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+ *			should always be large enough to handle any of
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+ *			the address types)
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  * @offs:               offset of device memory within the page
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  * @size:		size of IO (multiple of page size)
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  * @memtype:		type of memory addr points to
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@@ -68,16 +68,18 @@
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 #define MAX_UIO_PORT_REGIONS	5
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 struct uio_device {
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-        struct module           *owner;
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+	struct module           *owner;
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 	struct device		dev;
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-        int                     minor;
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-        atomic_t                event;
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-        struct fasync_struct    *async_queue;
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-        wait_queue_head_t       wait;
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-        struct uio_info         *info;
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+	int                     minor;
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+	atomic_t                event;
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+	struct fasync_struct    *async_queue;
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+	wait_queue_head_t       wait;
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+	struct uio_info         *info;
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 	struct mutex		info_lock;
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-        struct kobject          *map_dir;
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-        struct kobject          *portio_dir;
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+	struct kobject          *map_dir;
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+	struct kobject          *portio_dir;
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+
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+	ANDROID_KABI_RESERVE(1);
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 };
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 /**
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@@ -110,6 +112,7 @@
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 	int (*open)(struct uio_info *info, struct inode *inode);
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 	int (*release)(struct uio_info *info, struct inode *inode);
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 	int (*irqcontrol)(struct uio_info *info, s32 irq_on);
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+	ANDROID_KABI_RESERVE(1);
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 };
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 extern int __must_check
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@@ -124,6 +127,15 @@
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 extern void uio_unregister_device(struct uio_info *info);
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 extern void uio_event_notify(struct uio_info *info);
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+extern int __must_check
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+	__devm_uio_register_device(struct module *owner,
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+				   struct device *parent,
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+				   struct uio_info *info);
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+
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+/* use a define to avoid include chaining to get THIS_MODULE */
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+#define devm_uio_register_device(parent, info) \
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+	__devm_uio_register_device(THIS_MODULE, parent, info)
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+
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 /* defines for uio_info->irq */
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 #define UIO_IRQ_CUSTOM	-1
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 #define UIO_IRQ_NONE	0
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@@ -133,6 +145,7 @@
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 #define UIO_MEM_PHYS	1
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 #define UIO_MEM_LOGICAL	2
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 #define UIO_MEM_VIRTUAL 3
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+#define UIO_MEM_IOVA	4
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 /* defines for uio_port->porttype */
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 #define UIO_PORT_NONE	0