1 /* Copyright (c) 2014, The Linux Foundation. All rights reserved. 2 * 3 * Redistribution and use in source and binary forms, with or without 4 * modification, are permitted provided that the following conditions are 5 * met: 6 * * Redistributions of source code must retain the above copyright 7 * notice, this list of conditions and the following disclaimer. 8 * * Redistributions in binary form must reproduce the above 9 * copyright notice, this list of conditions and the following 10 * disclaimer in the documentation and/or other materials provided 11 * with the distribution. 12 * * Neither the name of The Linux Foundation nor the names of its 13 * contributors may be used to endorse or promote products derived 14 * from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 23 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 24 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 25 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 26 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 */ 29 30 #ifndef AUDIO_EXTN_PM_H 31 #define AUDIO_EXTN_PM_H 32 33 #include <errno.h> 34 #include <math.h> 35 #include <pthread.h> 36 #include <stdlib.h> 37 #include <fcntl.h> 38 #include <pm-service.h> 39 #include "audio_hw.h" 40 #include <platform.h> 41 #include <cutils/properties.h> 42 #include <cutils/log.h> 43 44 45 /* Client name to be registered with PM */ 46 #define PM_CLIENT_NAME "audio" 47 /* Command to sysfs to unload image */ 48 #define UNLOAD_IMAGE "0" 49 #define MAX_NAME_LEN 32 50 #define BOOT_IMG_SYSFS_PATH "/sys/kernel/boot_adsp/boot" 51 52 typedef struct { 53 //MAX_NAME_LEN defined in mdm_detect.h 54 char img_name[MAX_NAME_LEN]; 55 //this handle is used by peripheral mgr 56 void *pm_handle; 57 }s_audio_subsys; 58 59 /* Vote to peripheral manager for required subsystem */ 60 int audio_extn_pm_vote (void); 61 62 /* Unvote to peripheral manager */ 63 void audio_extn_pm_unvote (void); 64 65 /* Get subsytem status notification from PM */ 66 void audio_extn_pm_event_notifier (void *client_data, enum pm_event event); 67 68 #endif // AUDIO_EXTN_PM_H 69