1 #ifndef __LINUX_MAPLE_H
2 #define __LINUX_MAPLE_H
3 
4 #include <linux/device.h>
5 #include <mach/maple.h>
6 
7 extern struct bus_type maple_bus_type;
8 
9 /* Maple Bus command and response codes */
10 enum 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 
33 enum 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 
42 struct maple_buffer {
43 	char bufx[0x400];
44 	void *buf;
45 };
46 
47 struct 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 
56 struct 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 
67 struct 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 
83 struct maple_driver {
84 	unsigned long function;
85 	struct device_driver drv;
86 };
87 
88 void maple_getcond_callback(struct maple_device *dev,
89 			    void (*callback) (struct mapleq * mq),
90 			    unsigned long interval,
91 			    unsigned long function);
92 int maple_driver_register(struct maple_driver *);
93 void maple_driver_unregister(struct maple_driver *);
94 
95 int maple_add_packet(struct maple_device *mdev, u32 function,
96 	u32 command, u32 length, void *data);
97 void 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