include/linux/olpc-ec.h

   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
  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 */