v4.19.13 snapshot.
diff --git a/include/linux/maple.h b/include/linux/maple.h
new file mode 100644
index 0000000..9b14027
--- /dev/null
+++ b/include/linux/maple.h
@@ -0,0 +1,106 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __LINUX_MAPLE_H
+#define __LINUX_MAPLE_H
+
+#include <mach/maple.h>
+
+struct device;
+extern struct bus_type maple_bus_type;
+
+/* Maple Bus command and response codes */
+enum maple_code {
+ MAPLE_RESPONSE_FILEERR = -5,
+ MAPLE_RESPONSE_AGAIN, /* retransmit */
+ MAPLE_RESPONSE_BADCMD,
+ MAPLE_RESPONSE_BADFUNC,
+ MAPLE_RESPONSE_NONE, /* unit didn't respond*/
+ MAPLE_COMMAND_DEVINFO = 1,
+ MAPLE_COMMAND_ALLINFO,
+ MAPLE_COMMAND_RESET,
+ MAPLE_COMMAND_KILL,
+ MAPLE_RESPONSE_DEVINFO,
+ MAPLE_RESPONSE_ALLINFO,
+ MAPLE_RESPONSE_OK,
+ MAPLE_RESPONSE_DATATRF,
+ MAPLE_COMMAND_GETCOND,
+ MAPLE_COMMAND_GETMINFO,
+ MAPLE_COMMAND_BREAD,
+ MAPLE_COMMAND_BWRITE,
+ MAPLE_COMMAND_BSYNC,
+ MAPLE_COMMAND_SETCOND,
+ MAPLE_COMMAND_MICCONTROL
+};
+
+enum maple_file_errors {
+ MAPLE_FILEERR_INVALID_PARTITION = 0x01000000,
+ MAPLE_FILEERR_PHASE_ERROR = 0x02000000,
+ MAPLE_FILEERR_INVALID_BLOCK = 0x04000000,
+ MAPLE_FILEERR_WRITE_ERROR = 0x08000000,
+ MAPLE_FILEERR_INVALID_WRITE_LENGTH = 0x10000000,
+ MAPLE_FILEERR_BAD_CRC = 0x20000000
+};
+
+struct maple_buffer {
+ char bufx[0x400];
+ void *buf;
+};
+
+struct mapleq {
+ struct list_head list;
+ struct maple_device *dev;
+ struct maple_buffer *recvbuf;
+ void *sendbuf, *recvbuf_p2;
+ unsigned char length;
+ enum maple_code command;
+};
+
+struct maple_devinfo {
+ unsigned long function;
+ unsigned long function_data[3];
+ unsigned char area_code;
+ unsigned char connector_direction;
+ char product_name[31];
+ char product_licence[61];
+ unsigned short standby_power;
+ unsigned short max_power;
+};
+
+struct maple_device {
+ struct maple_driver *driver;
+ struct mapleq *mq;
+ void (*callback) (struct mapleq * mq);
+ void (*fileerr_handler)(struct maple_device *mdev, void *recvbuf);
+ int (*can_unload)(struct maple_device *mdev);
+ unsigned long when, interval, function;
+ struct maple_devinfo devinfo;
+ unsigned char port, unit;
+ char product_name[32];
+ char product_licence[64];
+ atomic_t busy;
+ wait_queue_head_t maple_wait;
+ struct device dev;
+};
+
+struct maple_driver {
+ unsigned long function;
+ struct device_driver drv;
+};
+
+void maple_getcond_callback(struct maple_device *dev,
+ void (*callback) (struct mapleq * mq),
+ unsigned long interval,
+ unsigned long function);
+int maple_driver_register(struct maple_driver *);
+void maple_driver_unregister(struct maple_driver *);
+
+int maple_add_packet(struct maple_device *mdev, u32 function,
+ u32 command, u32 length, void *data);
+void maple_clear_dev(struct maple_device *mdev);
+
+#define to_maple_dev(n) container_of(n, struct maple_device, dev)
+#define to_maple_driver(n) container_of(n, struct maple_driver, drv)
+
+#define maple_get_drvdata(d) dev_get_drvdata(&(d)->dev)
+#define maple_set_drvdata(d,p) dev_set_drvdata(&(d)->dev, (p))
+
+#endif /* __LINUX_MAPLE_H */