arch/x86/kernel/platform/i86pc/include/sys/fipe.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright (c) 2009, Intel Corporation.
  23  * All rights reserved.
  24  */
  25
  26 #ifndef _SYS_FIPE_H
  27 #define _SYS_FIPE_H
  28
  29 #include <sys/types.h>
  30 #include <sys/sunddi.h>
  31
  32 #ifdef __cplusplus
  33 extern "C" {
  34 #endif
  35
  36 /* Device property name for default power management policy. */
  37 #define FIPE_PROP_PM_POLICY             "fipe_pm_policy"
  38
  39 #define FIPE_IOC_CODE                   ('F' << 8)
  40 #define FIPE_IOCTL_START                (FIPE_IOC_CODE | 0x1)
  41 #define FIPE_IOCTL_STOP                 (FIPE_IOC_CODE | 0x2)
  42 #define FIPE_IOCTL_GET_PMPOLICY         (FIPE_IOC_CODE | 0x3)
  43 #define FIPE_IOCTL_SET_PMPOLICY         (FIPE_IOC_CODE | 0x4)
  44
  45 typedef enum {
  46         FIPE_PM_POLICY_DISABLE = 0,
  47         FIPE_PM_POLICY_PERFORMANCE = 1,
  48         FIPE_PM_POLICY_BALANCE = 2,
  49         FIPE_PM_POLICY_POWERSAVE = 3,
  50         FIPE_PM_POLICY_MAX
  51 } fipe_pm_policy_t;
  52
  53 #ifdef _KERNEL
  54
  55 extern int fipe_init(dev_info_t *dip);
  56 extern int fipe_fini(void);
  57 extern int fipe_start(void);
  58 extern int fipe_stop(void);
  59 extern int fipe_suspend(void);
  60 extern int fipe_resume(void);
  61 extern int fipe_set_pmpolicy(fipe_pm_policy_t policy);
  62 extern fipe_pm_policy_t fipe_get_pmpolicy(void);
  63
  64 #endif /* _KERNEL */
  65
  66 #ifdef __cplusplus
  67 }
  68 #endif
  69
  70 #endif /* _SYS_FIPE_H */