xref: /linux-6.15/include/linux/olpc-ec.h (revision 8fdff1dc)
1 #ifndef _LINUX_OLPC_EC_H
2 #define _LINUX_OLPC_EC_H
3 
4 /* XO-1 EC commands */
5 #define EC_FIRMWARE_REV			0x08
6 #define EC_WRITE_SCI_MASK		0x1b
7 #define EC_WAKE_UP_WLAN			0x24
8 #define EC_WLAN_LEAVE_RESET		0x25
9 #define EC_READ_EB_MODE			0x2a
10 #define EC_SET_SCI_INHIBIT		0x32
11 #define EC_SET_SCI_INHIBIT_RELEASE	0x34
12 #define EC_WLAN_ENTER_RESET		0x35
13 #define EC_WRITE_EXT_SCI_MASK		0x38
14 #define EC_SCI_QUERY			0x84
15 #define EC_EXT_SCI_QUERY		0x85
16 
17 struct platform_device;
18 
19 struct olpc_ec_driver {
20 	int (*probe)(struct platform_device *);
21 	int (*suspend)(struct platform_device *);
22 	int (*resume)(struct platform_device *);
23 
24 	int (*ec_cmd)(u8, u8 *, size_t, u8 *, size_t, void *);
25 };
26 
27 #ifdef CONFIG_OLPC
28 
29 extern void olpc_ec_driver_register(struct olpc_ec_driver *drv, void *arg);
30 
31 extern int olpc_ec_cmd(u8 cmd, u8 *inbuf, size_t inlen, u8 *outbuf,
32 		size_t outlen);
33 
34 #else
35 
36 static inline int olpc_ec_cmd(u8 cmd, u8 *inbuf, size_t inlen, u8 *outbuf,
37 		size_t outlen) { return -ENODEV; }
38 
39 #endif /* CONFIG_OLPC */
40 
41 #endif /* _LINUX_OLPC_EC_H */
42