1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2020 The FreeBSD Foundation 5 * 6 * This software was developed by Björn Zeeb under sponsorship from 7 * the FreeBSD Foundation. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 * $FreeBSD$ 31 */ 32 33 #ifndef _LINUXKPI_LINUX_PM_H 34 #define _LINUXKPI_LINUX_PM_H 35 36 #include <linux/kernel.h> /* pr_debug */ 37 #include <asm/atomic.h> 38 39 /* Needed but breaks linux_usb.c */ 40 /* #include <linux/completion.h> */ 41 /* #include <linux/wait.h> */ 42 43 struct device; 44 45 typedef struct pm_message { 46 int event; 47 } pm_message_t; 48 49 struct dev_pm_domain { 50 }; 51 52 struct dev_pm_info { 53 atomic_t usage_count; 54 }; 55 56 #define PM_EVENT_FREEZE 0x0001 57 #define PM_EVENT_SUSPEND 0x0002 58 59 #define pm_sleep_ptr(_p) \ 60 IS_ENABLED(CONFIG_PM_SLEEP) ? (_p) : NULL 61 62 #ifdef CONFIG_PM_SLEEP 63 #define SIMPLE_DEV_PM_OPS(_name, _suspendfunc, _resumefunc) \ 64 const struct dev_pm_ops _name = { \ 65 .suspend = _suspendfunc, \ 66 .resume = _resumefunc, \ 67 .freeze = _suspendfunc, \ 68 .thaw = _resumefunc, \ 69 .poweroff = _suspendfunc, \ 70 .restore = _resumefunc, \ 71 } 72 73 #define DEFINE_SIMPLE_DEV_PM_OPS(_name, _suspendfunc, _resumefunc) \ 74 const struct dev_pm_ops _name = { \ 75 .suspend = _suspendfunc, \ 76 .resume = _resumefunc, \ 77 .freeze = _suspendfunc, \ 78 .thaw = _resumefunc, \ 79 .poweroff = _suspendfunc, \ 80 .restore = _resumefunc, \ 81 } 82 #else 83 #define SIMPLE_DEV_PM_OPS(_name, _suspendfunc, _resumefunc) \ 84 const struct dev_pm_ops _name = { \ 85 } 86 #define DEFINE_SIMPLE_DEV_PM_OPS(_name, _suspendfunc, _resumefunc) \ 87 const struct dev_pm_ops _name = { \ 88 } 89 #endif 90 91 static inline void 92 pm_wakeup_event(struct device *dev __unused, unsigned int x __unused) 93 { 94 95 pr_debug("%s: TODO\n", __func__); 96 } 97 98 #endif /* _LINUXKPI_LINUX_PM_H */ 99