1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __LINUX_MAPLE_H
3#define __LINUX_MAPLE_H
4
5#include <mach/maple.h>
6
7struct device;
8
9/* Maple Bus command and response codes */
10enum maple_code {
11	MAPLE_RESPONSE_FILEERR =	-5,
12	MAPLE_RESPONSE_AGAIN,	/* retransmit */
13	MAPLE_RESPONSE_BADCMD,
14	MAPLE_RESPONSE_BADFUNC,
15	MAPLE_RESPONSE_NONE,	/* unit didn't respond*/
16	MAPLE_COMMAND_DEVINFO =		1,
17	MAPLE_COMMAND_ALLINFO,
18	MAPLE_COMMAND_RESET,
19	MAPLE_COMMAND_KILL,
20	MAPLE_RESPONSE_DEVINFO,
21	MAPLE_RESPONSE_ALLINFO,
22	MAPLE_RESPONSE_OK,
23	MAPLE_RESPONSE_DATATRF,
24	MAPLE_COMMAND_GETCOND,
25	MAPLE_COMMAND_GETMINFO,
26	MAPLE_COMMAND_BREAD,
27	MAPLE_COMMAND_BWRITE,
28	MAPLE_COMMAND_BSYNC,
29	MAPLE_COMMAND_SETCOND,
30	MAPLE_COMMAND_MICCONTROL
31};
32
33enum maple_file_errors {
34	MAPLE_FILEERR_INVALID_PARTITION =	0x01000000,
35	MAPLE_FILEERR_PHASE_ERROR =		0x02000000,
36	MAPLE_FILEERR_INVALID_BLOCK =		0x04000000,
37	MAPLE_FILEERR_WRITE_ERROR =		0x08000000,
38	MAPLE_FILEERR_INVALID_WRITE_LENGTH =	0x10000000,
39	MAPLE_FILEERR_BAD_CRC = 		0x20000000
40};
41
42struct maple_buffer {
43	char bufx[0x400];
44	void *buf;
45};
46
47struct mapleq {
48	struct list_head list;
49	struct maple_device *dev;
50	struct maple_buffer *recvbuf;
51	void *sendbuf, *recvbuf_p2;
52	unsigned char length;
53	enum maple_code command;
54};
55
56struct maple_devinfo {
57	unsigned long function;
58	unsigned long function_data[3];
59	unsigned char area_code;
60	unsigned char connector_direction;
61	char product_name[31];
62	char product_licence[61];
63	unsigned short standby_power;
64	unsigned short max_power;
65};
66
67struct maple_device {
68	struct maple_driver *driver;
69	struct mapleq *mq;
70	void (*callback) (struct mapleq * mq);
71	void (*fileerr_handler)(struct maple_device *mdev, void *recvbuf);
72	int (*can_unload)(struct maple_device *mdev);
73	unsigned long when, interval, function;
74	struct maple_devinfo devinfo;
75	unsigned char port, unit;
76	char product_name[32];
77	char product_licence[64];
78	atomic_t busy;
79	wait_queue_head_t maple_wait;
80	struct device dev;
81};
82
83struct maple_driver {
84	unsigned long function;
85	struct device_driver drv;
86};
87
88void maple_getcond_callback(struct maple_device *dev,
89			    void (*callback) (struct mapleq * mq),
90			    unsigned long interval,
91			    unsigned long function);
92int maple_driver_register(struct maple_driver *);
93void maple_driver_unregister(struct maple_driver *);
94
95int maple_add_packet(struct maple_device *mdev, u32 function,
96	u32 command, u32 length, void *data);
97void maple_clear_dev(struct maple_device *mdev);
98
99#define to_maple_dev(n) container_of(n, struct maple_device, dev)
100#define to_maple_driver(n) container_of(n, struct maple_driver, drv)
101
102#define maple_get_drvdata(d)		dev_get_drvdata(&(d)->dev)
103#define maple_set_drvdata(d,p)		dev_set_drvdata(&(d)->dev, (p))
104
105#endif				/* __LINUX_MAPLE_H */
106