1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _LINUX_OLPC_EC_H
3 #define _LINUX_OLPC_EC_H
4
5 /* XO-1 EC commands */
6 #define EC_FIRMWARE_REV 0x08
7 #define EC_WRITE_SCI_MASK 0x1b
8 #define EC_WAKE_UP_WLAN 0x24
9 #define EC_WLAN_LEAVE_RESET 0x25
10 #define EC_DCON_POWER_MODE 0x26
11 #define EC_READ_EB_MODE 0x2a
12 #define EC_SET_SCI_INHIBIT 0x32
13 #define EC_SET_SCI_INHIBIT_RELEASE 0x34
14 #define EC_WLAN_ENTER_RESET 0x35
15 #define EC_WRITE_EXT_SCI_MASK 0x38
16 #define EC_SCI_QUERY 0x84
17 #define EC_EXT_SCI_QUERY 0x85
18
19 struct platform_device;
20
21 struct olpc_ec_driver {
22 int (*probe)(struct platform_device *);
23 int (*suspend)(struct platform_device *);
24 int (*resume)(struct platform_device *);
25
26 int (*ec_cmd)(u8, u8 *, size_t, u8 *, size_t, void *);
27 };
28
29 #ifdef CONFIG_OLPC
30
31 extern void olpc_ec_driver_register(struct olpc_ec_driver *drv, void *arg);
32
33 extern int olpc_ec_cmd(u8 cmd, u8 *inbuf, size_t inlen, u8 *outbuf,
34 size_t outlen);
35
36 #else
37
olpc_ec_cmd(u8 cmd,u8 * inbuf,size_t inlen,u8 * outbuf,size_t outlen)38 static inline int olpc_ec_cmd(u8 cmd, u8 *inbuf, size_t inlen, u8 *outbuf,
39 size_t outlen) { return -ENODEV; }
40
41 #endif /* CONFIG_OLPC */
42
43 #endif /* _LINUX_OLPC_EC_H */
44