| Preetam Singh Ranawat | 2d0e463 | 2015-02-02 12:40:59 +0530 | [diff] [blame] | 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 |