xref: /linux-6.15/include/linux/maple.h (revision 1795cf48)
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 = -4,	/* request should be retransmitted */
13 	MAPLE_RESPONSE_BADCMD = -3,
14 	MAPLE_RESPONSE_BADFUNC = -2,
15 	MAPLE_RESPONSE_NONE = -1,	/* unit didn't respond at all */
16 	MAPLE_COMMAND_DEVINFO = 1,
17 	MAPLE_COMMAND_ALLINFO = 2,
18 	MAPLE_COMMAND_RESET = 3,
19 	MAPLE_COMMAND_KILL = 4,
20 	MAPLE_RESPONSE_DEVINFO = 5,
21 	MAPLE_RESPONSE_ALLINFO = 6,
22 	MAPLE_RESPONSE_OK = 7,
23 	MAPLE_RESPONSE_DATATRF = 8,
24 	MAPLE_COMMAND_GETCOND = 9,
25 	MAPLE_COMMAND_GETMINFO = 10,
26 	MAPLE_COMMAND_BREAD = 11,
27 	MAPLE_COMMAND_BWRITE = 12,
28 	MAPLE_COMMAND_SETCOND = 14
29 };
30 
31 struct mapleq {
32 	struct list_head list;
33 	struct maple_device *dev;
34 	void *sendbuf, *recvbuf, *recvbufdcsp;
35 	unsigned char length;
36 	enum maple_code command;
37 	struct mutex mutex;
38 };
39 
40 struct maple_devinfo {
41 	unsigned long function;
42 	unsigned long function_data[3];
43 	unsigned char area_code;
44 	unsigned char connector_direction;
45 	char product_name[31];
46 	char product_licence[61];
47 	unsigned short standby_power;
48 	unsigned short max_power;
49 };
50 
51 struct maple_device {
52 	struct maple_driver *driver;
53 	struct mapleq *mq;
54 	void *private_data;
55 	void (*callback) (struct mapleq * mq);
56 	unsigned long when, interval, function;
57 	struct maple_devinfo devinfo;
58 	unsigned char port, unit;
59 	char product_name[32];
60 	char product_licence[64];
61 	struct device dev;
62 };
63 
64 struct maple_driver {
65 	unsigned long function;
66 	struct device_driver drv;
67 };
68 
69 void maple_getcond_callback(struct maple_device *dev,
70 			    void (*callback) (struct mapleq * mq),
71 			    unsigned long interval,
72 			    unsigned long function);
73 int maple_driver_register(struct device_driver *drv);
74 int maple_add_packet_sleeps(struct maple_device *mdev, u32 function,
75 	u32 command, u32 length, void *data);
76 void maple_clear_dev(struct maple_device *mdev);
77 
78 #define to_maple_dev(n) container_of(n, struct maple_device, dev)
79 #define to_maple_driver(n) container_of(n, struct maple_driver, drv)
80 
81 #endif				/* __LINUX_MAPLE_H */
82