1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #define LOG_TAG "hardware_cal" 18 /*#define LOG_NDEBUG 0*/ 19 #define LOG_NDDEBUG 0 20 21 #ifdef HWDEP_CAL_ENABLED 22 23 #include <stdlib.h> 24 #include <dlfcn.h> 25 #include <fcntl.h> 26 #include <sys/ioctl.h> 27 #include <cutils/log.h> 28 #include <audio_hw.h> 29 #include "audio_extn.h" 30 #include "sound/msmcal-hwdep.h" 31 32 #define SOUND_TRIGGER_DEVICE_HANDSET_MONO_LOW_POWER_ACDB_ID (100) 33 #define MAX_CAL_NAME 20 34 35 typedef struct acdb_audio_cal_cfg { 36 uint32_t persist; 37 uint32_t snd_dev_id; 38 audio_devices_t dev_id; 39 int32_t acdb_dev_id; 40 uint32_t app_type; 41 uint32_t topo_id; 42 uint32_t sampling_rate; 43 uint32_t cal_type; 44 uint32_t module_id; 45 uint32_t param_id; 46 } acdb_audio_cal_cfg_t; 47 48 struct param_data { 49 int use_case; 50 int acdb_id; 51 int get_size; 52 int buff_size; 53 int data_size; 54 void *buff; 55 }; 56 57 char cal_name_info[WCD9XXX_MAX_CAL][MAX_CAL_NAME] = { 58 [WCD9XXX_ANC_CAL] = "anc_cal", 59 [WCD9XXX_MBHC_CAL] = "mbhc_cal", 60 [WCD9XXX_MAD_CAL] = "mad_cal", 61 }; 62 63 typedef int (*acdb_get_calibration_t)(char *attr, int size, void *data); 64 acdb_get_calibration_t acdb_get_calibration; 65 66 static int hw_util_open(int card_no) 67 { 68 int fd = -1; 69 char dev_name[256]; 70 71 snprintf(dev_name, sizeof(dev_name), "/dev/snd/hwC%uD%u", 72 card_no, WCD9XXX_CODEC_HWDEP_NODE); 73 ALOGD("%s: Opening device %s\n", __func__, dev_name); 74 fd = open(dev_name, O_WRONLY); 75 if (fd < 0) { 76 ALOGE("%s: cannot open device '%s'\n", __func__, dev_name); 77 return fd; 78 } 79 ALOGD("%s: success", __func__); 80 return fd; 81 } 82 83 static int send_codec_cal(acdb_get_calibration_t acdb_loader_get_calibration, int fd) 84 { 85 int ret = 0, type; 86 87 for (type = WCD9XXX_ANC_CAL; type < WCD9XXX_MAX_CAL; type++) { 88 struct wcdcal_ioctl_buffer codec_buffer; 89 struct param_data calib; 90 91 if (!strcmp(cal_name_info[type], "mad_cal")) 92 calib.acdb_id = SOUND_TRIGGER_DEVICE_HANDSET_MONO_LOW_POWER_ACDB_ID; 93 calib.get_size = 1; 94 ret = acdb_loader_get_calibration(cal_name_info[type], sizeof(struct param_data), 95 &calib); 96 if (ret < 0) { 97 ALOGE("%s get_calibration failed\n", __func__); 98 return ret; 99 } 100 calib.get_size = 0; 101 calib.buff = malloc(calib.buff_size); 102 ret = acdb_loader_get_calibration(cal_name_info[type], 103 sizeof(struct param_data), &calib); 104 if (ret < 0) { 105 ALOGE("%s get_calibration failed\n", __func__); 106 free(calib.buff); 107 return ret; 108 } 109 codec_buffer.buffer = calib.buff; 110 codec_buffer.size = calib.data_size; 111 codec_buffer.cal_type = type; 112 if (ioctl(fd, SNDRV_CTL_IOCTL_HWDEP_CAL_TYPE, &codec_buffer) < 0) 113 ALOGE("Failed to call ioctl for %s err=%d", 114 cal_name_info[type], errno); 115 ALOGD("%s cal sent for %s", __func__, cal_name_info[type]); 116 free(calib.buff); 117 } 118 return ret; 119 } 120 121 122 void audio_extn_hwdep_cal_send(int snd_card, void *acdb_handle) 123 { 124 int fd; 125 126 fd = hw_util_open(snd_card); 127 if (fd == -1) { 128 ALOGE("%s error open\n", __func__); 129 return; 130 } 131 132 acdb_get_calibration = (acdb_get_calibration_t) 133 dlsym(acdb_handle, "acdb_loader_get_calibration"); 134 135 if (acdb_get_calibration == NULL) { 136 ALOGE("%s: ERROR. dlsym Error:%s acdb_loader_get_calibration", __func__, 137 dlerror()); 138 return; 139 } 140 if (send_codec_cal(acdb_get_calibration, fd) < 0) 141 ALOGE("%s: Could not send anc cal", __FUNCTION__); 142 143 close(fd); 144 } 145 146 #endif 147
