LXR linux/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
  19struct platform_device;
  20
  21struct 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
  31extern void olpc_ec_driver_register(struct olpc_ec_driver *drv, void *arg);
  32
  33extern int olpc_ec_cmd(u8 cmd, u8 *inbuf, size_t inlen, u8 *outbuf,
  34                size_t outlen);
  35
  36#else
  37
  38static 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