xref: /OK3568_Linux_fs/kernel/include/linux/maple.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef __LINUX_MAPLE_H
3*4882a593Smuzhiyun #define __LINUX_MAPLE_H
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun #include <mach/maple.h>
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun struct device;
8*4882a593Smuzhiyun extern struct bus_type maple_bus_type;
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun /* Maple Bus command and response codes */
11*4882a593Smuzhiyun enum maple_code {
12*4882a593Smuzhiyun 	MAPLE_RESPONSE_FILEERR =	-5,
13*4882a593Smuzhiyun 	MAPLE_RESPONSE_AGAIN,	/* retransmit */
14*4882a593Smuzhiyun 	MAPLE_RESPONSE_BADCMD,
15*4882a593Smuzhiyun 	MAPLE_RESPONSE_BADFUNC,
16*4882a593Smuzhiyun 	MAPLE_RESPONSE_NONE,	/* unit didn't respond*/
17*4882a593Smuzhiyun 	MAPLE_COMMAND_DEVINFO =		1,
18*4882a593Smuzhiyun 	MAPLE_COMMAND_ALLINFO,
19*4882a593Smuzhiyun 	MAPLE_COMMAND_RESET,
20*4882a593Smuzhiyun 	MAPLE_COMMAND_KILL,
21*4882a593Smuzhiyun 	MAPLE_RESPONSE_DEVINFO,
22*4882a593Smuzhiyun 	MAPLE_RESPONSE_ALLINFO,
23*4882a593Smuzhiyun 	MAPLE_RESPONSE_OK,
24*4882a593Smuzhiyun 	MAPLE_RESPONSE_DATATRF,
25*4882a593Smuzhiyun 	MAPLE_COMMAND_GETCOND,
26*4882a593Smuzhiyun 	MAPLE_COMMAND_GETMINFO,
27*4882a593Smuzhiyun 	MAPLE_COMMAND_BREAD,
28*4882a593Smuzhiyun 	MAPLE_COMMAND_BWRITE,
29*4882a593Smuzhiyun 	MAPLE_COMMAND_BSYNC,
30*4882a593Smuzhiyun 	MAPLE_COMMAND_SETCOND,
31*4882a593Smuzhiyun 	MAPLE_COMMAND_MICCONTROL
32*4882a593Smuzhiyun };
33*4882a593Smuzhiyun 
34*4882a593Smuzhiyun enum maple_file_errors {
35*4882a593Smuzhiyun 	MAPLE_FILEERR_INVALID_PARTITION =	0x01000000,
36*4882a593Smuzhiyun 	MAPLE_FILEERR_PHASE_ERROR =		0x02000000,
37*4882a593Smuzhiyun 	MAPLE_FILEERR_INVALID_BLOCK =		0x04000000,
38*4882a593Smuzhiyun 	MAPLE_FILEERR_WRITE_ERROR =		0x08000000,
39*4882a593Smuzhiyun 	MAPLE_FILEERR_INVALID_WRITE_LENGTH =	0x10000000,
40*4882a593Smuzhiyun 	MAPLE_FILEERR_BAD_CRC = 		0x20000000
41*4882a593Smuzhiyun };
42*4882a593Smuzhiyun 
43*4882a593Smuzhiyun struct maple_buffer {
44*4882a593Smuzhiyun 	char bufx[0x400];
45*4882a593Smuzhiyun 	void *buf;
46*4882a593Smuzhiyun };
47*4882a593Smuzhiyun 
48*4882a593Smuzhiyun struct mapleq {
49*4882a593Smuzhiyun 	struct list_head list;
50*4882a593Smuzhiyun 	struct maple_device *dev;
51*4882a593Smuzhiyun 	struct maple_buffer *recvbuf;
52*4882a593Smuzhiyun 	void *sendbuf, *recvbuf_p2;
53*4882a593Smuzhiyun 	unsigned char length;
54*4882a593Smuzhiyun 	enum maple_code command;
55*4882a593Smuzhiyun };
56*4882a593Smuzhiyun 
57*4882a593Smuzhiyun struct maple_devinfo {
58*4882a593Smuzhiyun 	unsigned long function;
59*4882a593Smuzhiyun 	unsigned long function_data[3];
60*4882a593Smuzhiyun 	unsigned char area_code;
61*4882a593Smuzhiyun 	unsigned char connector_direction;
62*4882a593Smuzhiyun 	char product_name[31];
63*4882a593Smuzhiyun 	char product_licence[61];
64*4882a593Smuzhiyun 	unsigned short standby_power;
65*4882a593Smuzhiyun 	unsigned short max_power;
66*4882a593Smuzhiyun };
67*4882a593Smuzhiyun 
68*4882a593Smuzhiyun struct maple_device {
69*4882a593Smuzhiyun 	struct maple_driver *driver;
70*4882a593Smuzhiyun 	struct mapleq *mq;
71*4882a593Smuzhiyun 	void (*callback) (struct mapleq * mq);
72*4882a593Smuzhiyun 	void (*fileerr_handler)(struct maple_device *mdev, void *recvbuf);
73*4882a593Smuzhiyun 	int (*can_unload)(struct maple_device *mdev);
74*4882a593Smuzhiyun 	unsigned long when, interval, function;
75*4882a593Smuzhiyun 	struct maple_devinfo devinfo;
76*4882a593Smuzhiyun 	unsigned char port, unit;
77*4882a593Smuzhiyun 	char product_name[32];
78*4882a593Smuzhiyun 	char product_licence[64];
79*4882a593Smuzhiyun 	atomic_t busy;
80*4882a593Smuzhiyun 	wait_queue_head_t maple_wait;
81*4882a593Smuzhiyun 	struct device dev;
82*4882a593Smuzhiyun };
83*4882a593Smuzhiyun 
84*4882a593Smuzhiyun struct maple_driver {
85*4882a593Smuzhiyun 	unsigned long function;
86*4882a593Smuzhiyun 	struct device_driver drv;
87*4882a593Smuzhiyun };
88*4882a593Smuzhiyun 
89*4882a593Smuzhiyun void maple_getcond_callback(struct maple_device *dev,
90*4882a593Smuzhiyun 			    void (*callback) (struct mapleq * mq),
91*4882a593Smuzhiyun 			    unsigned long interval,
92*4882a593Smuzhiyun 			    unsigned long function);
93*4882a593Smuzhiyun int maple_driver_register(struct maple_driver *);
94*4882a593Smuzhiyun void maple_driver_unregister(struct maple_driver *);
95*4882a593Smuzhiyun 
96*4882a593Smuzhiyun int maple_add_packet(struct maple_device *mdev, u32 function,
97*4882a593Smuzhiyun 	u32 command, u32 length, void *data);
98*4882a593Smuzhiyun void maple_clear_dev(struct maple_device *mdev);
99*4882a593Smuzhiyun 
100*4882a593Smuzhiyun #define to_maple_dev(n) container_of(n, struct maple_device, dev)
101*4882a593Smuzhiyun #define to_maple_driver(n) container_of(n, struct maple_driver, drv)
102*4882a593Smuzhiyun 
103*4882a593Smuzhiyun #define maple_get_drvdata(d)		dev_get_drvdata(&(d)->dev)
104*4882a593Smuzhiyun #define maple_set_drvdata(d,p)		dev_set_drvdata(&(d)->dev, (p))
105*4882a593Smuzhiyun 
106*4882a593Smuzhiyun #endif				/* __LINUX_MAPLE_H */
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