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 31 #ifndef _LINUXKPI_LINUX_PM_H 32 #define _LINUXKPI_LINUX_PM_H 33 34 #include <linux/kernel.h> /* pr_debug */ 35 #include <asm/atomic.h> 36 37 /* Needed but breaks linux_usb.c */ 38 /* #include <linux/completion.h> */ 39 /* #include <linux/wait.h> */ 40 41 struct device; 42 43 typedef struct pm_message { 44 int event; 45 } pm_message_t; 46 47 struct dev_pm_domain { 48 }; 49 50 struct dev_pm_info { 51 atomic_t usage_count; 52 }; 53 54 #define PM_EVENT_FREEZE 0x0001 55 #define PM_EVENT_SUSPEND 0x0002 56 57 #define pm_sleep_ptr(_p) \ 58 IS_ENABLED(CONFIG_PM_SLEEP) ? (_p) : NULL 59 60 #ifdef CONFIG_PM_SLEEP 61 #define SIMPLE_DEV_PM_OPS(_name, _suspendfunc, _resumefunc) \ 62 const struct dev_pm_ops _name = { \ 63 .suspend = _suspendfunc, \ 64 .resume = _resumefunc, \ 65 .freeze = _suspendfunc, \ 66 .thaw = _resumefunc, \ 67 .poweroff = _suspendfunc, \ 68 .restore = _resumefunc, \ 69 } 70 71 #define DEFINE_SIMPLE_DEV_PM_OPS(_name, _suspendfunc, _resumefunc) \ 72 const struct dev_pm_ops _name = { \ 73 .suspend = _suspendfunc, \ 74 .resume = _resumefunc, \ 75 .freeze = _suspendfunc, \ 76 .thaw = _resumefunc, \ 77 .poweroff = _suspendfunc, \ 78 .restore = _resumefunc, \ 79 } 80 #else 81 #define SIMPLE_DEV_PM_OPS(_name, _suspendfunc, _resumefunc) \ 82 const struct dev_pm_ops _name = { \ 83 } 84 #define DEFINE_SIMPLE_DEV_PM_OPS(_name, _suspendfunc, _resumefunc) \ 85 const struct dev_pm_ops _name = { \ 86 } 87 #endif 88 89 static inline void 90 pm_wakeup_event(struct device *dev __unused, unsigned int x __unused) 91 { 92 93 pr_debug("%s: TODO\n", __func__); 94 } 95 96 #endif /* _LINUXKPI_LINUX_PM_H */ 97