1 /* 2 * Copyright © 2015 Intel Corporation 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 21 * IN THE SOFTWARE. 22 */ 23 24 #ifndef IGT_PM_H 25 #define IGT_PM_H 26 27 void igt_pm_enable_audio_runtime_pm(void); 28 int8_t *igt_pm_enable_sata_link_power_management(void); 29 void igt_pm_restore_sata_link_power_management(int8_t *pm_data); 30 31 /** 32 * igt_runtime_pm_status: 33 * @IGT_RUNTIME_PM_STATUS_ACTIVE: device is active 34 * @IGT_RUNTIME_PM_STATUS_SUSPENDED: device is suspended 35 * @IGT_RUNTIME_PM_STATUS_SUSPENDING: device is in the process of suspending 36 * @IGT_RUNTIME_PM_STATUS_RESUMING: device is in the process of resuming 37 * @IGT_RUNTIME_PM_STATUS_UNKNOWN: unknown runtime PM status 38 * 39 * Symbolic values for runtime PM device status. 40 */ 41 enum igt_runtime_pm_status { 42 IGT_RUNTIME_PM_STATUS_ACTIVE, 43 IGT_RUNTIME_PM_STATUS_SUSPENDED, 44 IGT_RUNTIME_PM_STATUS_SUSPENDING, 45 IGT_RUNTIME_PM_STATUS_RESUMING, 46 IGT_RUNTIME_PM_STATUS_UNKNOWN, 47 }; 48 49 bool igt_setup_runtime_pm(void); 50 void igt_restore_runtime_pm(void); 51 enum igt_runtime_pm_status igt_get_runtime_pm_status(void); 52 bool igt_wait_for_pm_status(enum igt_runtime_pm_status status); 53 54 #endif /* IGT_PM_H */ 55