1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __LINUX_MAPLE_H
3 #define __LINUX_MAPLE_H
4
5 #include <mach/maple.h>
6
7 struct device;
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_const(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
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