Quinn Male | 2e88375 | 2019-03-22 11:28:54 -0700 | [diff] [blame] | 1 | /* st_hw_common.h |
| 2 | * |
| 3 | * Contains common functionality between |
| 4 | * sound trigger hw and sound trigger extension interface. |
| 5 | * |
| 6 | * Copyright (c) 2016, 2018-2019, The Linux Foundation. All rights reserved. |
| 7 | * |
| 8 | * Redistribution and use in source and binary forms, with or without |
| 9 | * modification, are permitted provided that the following conditions are |
| 10 | * met: |
| 11 | * * Redistributions of source code must retain the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer. |
| 13 | * * Redistributions in binary form must reproduce the above |
| 14 | * copyright notice, this list of conditions and the following |
| 15 | * disclaimer in the documentation and/or other materials provided |
| 16 | * with the distribution. |
| 17 | * * Neither the name of The Linux Foundation nor the names of its |
| 18 | * contributors may be used to endorse or promote products derived |
| 19 | * from this software without specific prior written permission. |
| 20 | * |
| 21 | * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| 22 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 23 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| 25 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| 28 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 29 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| 30 | * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| 31 | * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 32 | */ |
| 33 | |
| 34 | #include "sound_trigger_hw.h" |
| 35 | #include "st_session.h" |
| 36 | |
| 37 | bool st_hw_check_ses_ss_usecase_allowed(st_session_t *st_ses); |
Quinn Male | cc1affd | 2019-07-18 16:13:31 -0700 | [diff] [blame] | 38 | void st_hw_check_and_update_lpi(struct sound_trigger_device *stdev, st_session_t *st_ses); |
Quinn Male | 2e88375 | 2019-03-22 11:28:54 -0700 | [diff] [blame] | 39 | bool st_hw_check_vad_support(struct sound_trigger_device *stdev, st_session_t *st_ses, bool lpi_enable); |
| 40 | void st_hw_check_and_set_lpi_mode(st_session_t *st_ses); |
| 41 | bool st_hw_check_multi_stage_lsm_support(); |
| 42 | int st_hw_ses_update_config(st_session_t *st_ses, st_hw_session_t *st_hw_ses); |
| 43 | |
| 44 | int stop_other_sessions(struct sound_trigger_device *stdev, |
| 45 | st_session_t *cur_ses); |
| 46 | int start_other_sessions(struct sound_trigger_device *stdev, |
| 47 | st_session_t *cur_ses); |
| 48 | st_session_t* get_sound_trigger_session(struct sound_trigger_device *stdev, |
| 49 | sound_model_handle_t sound_model_handle); |
| 50 | |
| 51 | /* callback to hw for session events */ |
| 52 | typedef void (*hw_session_notify_callback_t)(sound_model_handle_t handle, |
| 53 | st_session_event_id_t event); |
| 54 | int hw_session_notifier_init(hw_session_notify_callback_t cb); |
| 55 | void hw_session_notifier_deinit(); |
| 56 | int hw_session_notifier_enqueue(sound_model_handle_t handle, |
| 57 | st_session_event_id_t event, uint64_t delay_ms); |
| 58 | int hw_session_notifier_cancel(sound_model_handle_t handle, |
| 59 | st_session_event_id_t event); |
| 60 | |
| 61 | /* 2nd stage detection */ |
| 62 | int st_hw_ses_get_hist_buff_payload(st_hw_session_t *p_ses, |
| 63 | uint8_t *payload_buff, size_t buff_size); |
Quinn Male | 2e88375 | 2019-03-22 11:28:54 -0700 | [diff] [blame] | 64 | |
| 65 | static inline uint64_t get_current_time_ns() |
| 66 | { |
| 67 | struct timespec ts; |
| 68 | |
| 69 | clock_gettime(CLOCK_MONOTONIC, &ts); |
| 70 | return (ts.tv_sec * NSECS_PER_SEC) + ts.tv_nsec; |
| 71 | } |
| 72 | |
| 73 | static inline unsigned int convert_ms_to_bytes |
| 74 | ( |
| 75 | unsigned int input_ms, |
| 76 | struct pcm_config *config |
| 77 | ) |
| 78 | { |
| 79 | return ((input_ms * config->rate * config->channels * |
| 80 | (pcm_format_to_bits(config->format) >> 3)) / 1000); |
| 81 | } |
| 82 | |
| 83 | static inline unsigned int convert_bytes_to_ms |
| 84 | ( |
| 85 | unsigned int input_bytes, |
| 86 | struct pcm_config *config |
| 87 | ) |
| 88 | { |
| 89 | return ((input_bytes * 1000) / (config->rate * config->channels * |
| 90 | (pcm_format_to_bits(config->format) >> 3))); |
| 91 | } |