linux/include/linux/olpc-ec.h
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   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
  17struct platform_device;
  18
  19struct 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
  29extern void olpc_ec_driver_register(struct olpc_ec_driver *drv, void *arg);
  30
  31extern int olpc_ec_cmd(u8 cmd, u8 *inbuf, size_t inlen, u8 *outbuf,
  32                size_t outlen);
  33
  34#else
  35
  36static 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
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