include/linux/olpc-ec.h

   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 olpc_ec_driver {
  18         int (*ec_cmd)(u8, u8 *, size_t, u8 *, size_t, void *);
  19 };
  20
  21 #ifdef CONFIG_OLPC
  22
  23 extern void olpc_ec_driver_register(struct olpc_ec_driver *drv, void *arg);
  24
  25 extern int olpc_ec_cmd(u8 cmd, u8 *inbuf, size_t inlen, u8 *outbuf,
  26                 size_t outlen);
  27
  28 #else
  29
  30 static inline int olpc_ec_cmd(u8 cmd, u8 *inbuf, size_t inlen, u8 *outbuf,
  31                 size_t outlen) { return -ENODEV; }
  32
  33 #endif /* CONFIG_OLPC */
  34
  35 #endif /* _LINUX_OLPC_EC_H */