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 <unistd.h> 28 #include <cutils/log.h> 29 #include <audio_hw.h> 30 #include "audio_extn.h" 31 #include "sound/msmcal-hwdep.h" 32 33 #define SOUND_TRIGGER_DEVICE_HANDSET_MONO_LOW_POWER_ACDB_ID (100) 34 #define MAX_CAL_NAME 20 35 36 typedef struct acdb_audio_cal_cfg { 37 uint32_t persist; 38 uint32_t snd_dev_id; 39 audio_devices_t dev_id; 40 int32_t acdb_dev_id; 41 uint32_t app_type; 42 uint32_t topo_id; 43 uint32_t sampling_rate; 44 uint32_t cal_type; 45 uint32_t module_id; 46 uint32_t param_id; 47 } acdb_audio_cal_cfg_t; 48 49 struct param_data { 50 int use_case; 51 int acdb_id; 52 int get_size; 53 int buff_size; 54 int data_size; 55 void *buff; 56 }; 57 58 char cal_name_info[WCD9XXX_MAX_CAL][MAX_CAL_NAME] = { 59 [WCD9XXX_ANC_CAL] = "anc_cal", 60 [WCD9XXX_MBHC_CAL] = "mbhc_cal", 61 [WCD9XXX_MAD_CAL] = "mad_cal", 62 }; 63 64 typedef int (*acdb_get_calibration_t)(char *attr, int size, void *data); 65 acdb_get_calibration_t acdb_get_calibration; 66 67 static int hw_util_open(int card_no) 68 { 69 int fd = -1; 70 char dev_name[256]; 71 72 snprintf(dev_name, sizeof(dev_name), "/dev/snd/hwC%uD%u", 73 card_no, WCD9XXX_CODEC_HWDEP_NODE); 74 ALOGD("%s: Opening device %s\n", __func__, dev_name); 75 fd = open(dev_name, O_WRONLY); 76 if (fd < 0) { 77 ALOGE("%s: cannot open device '%s'\n", __func__, dev_name); 78 return fd; 79 } 80 ALOGD("%s: success", __func__); 81 return fd; 82 } 83 84 static int send_codec_cal(acdb_get_calibration_t acdb_loader_get_calibration, int fd) 85 { 86 int ret = 0, type; 87 88 for (type = WCD9XXX_ANC_CAL; type < WCD9XXX_MAX_CAL; type++) { 89 struct wcdcal_ioctl_buffer codec_buffer; 90 struct param_data calib; 91 92 if (!strcmp(cal_name_info[type], "mad_cal")) 93 calib.acdb_id = SOUND_TRIGGER_DEVICE_HANDSET_MONO_LOW_POWER_ACDB_ID; 94 calib.get_size = 1; 95 ret = acdb_loader_get_calibration(cal_name_info[type], sizeof(struct param_data), 96 &calib); 97 if (ret < 0) { 98 ALOGE("%s get_calibration failed\n", __func__); 99 return ret; 100 } 101 calib.get_size = 0; 102 calib.buff = malloc(calib.buff_size); 103 ret = acdb_loader_get_calibration(cal_name_info[type], 104 sizeof(struct param_data), &calib); 105 if (ret < 0) { 106 ALOGE("%s get_calibration failed\n", __func__); 107 free(calib.buff); 108 return ret; 109 } 110 codec_buffer.buffer = calib.buff; 111 codec_buffer.size = calib.data_size; 112 codec_buffer.cal_type = type; 113 if (ioctl(fd, SNDRV_CTL_IOCTL_HWDEP_CAL_TYPE, &codec_buffer) < 0) 114 ALOGE("Failed to call ioctl for %s err=%d", 115 cal_name_info[type], errno); 116 ALOGD("%s cal sent for %s", __func__, cal_name_info[type]); 117 free(calib.buff); 118 } 119 return ret; 120 } 121 122 123 void audio_extn_hwdep_cal_send(int snd_card, void *acdb_handle) 124 { 125 int fd; 126 127 fd = hw_util_open(snd_card); 128 if (fd == -1) { 129 ALOGE("%s error open\n", __func__); 130 return; 131 } 132 133 acdb_get_calibration = (acdb_get_calibration_t) 134 dlsym(acdb_handle, "acdb_loader_get_calibration"); 135 136 if (acdb_get_calibration == NULL) { 137 ALOGE("%s: ERROR. dlsym Error:%s acdb_loader_get_calibration", __func__, 138 dlerror()); 139 return; 140 } 141 if (send_codec_cal(acdb_get_calibration, fd) < 0) 142 ALOGE("%s: Could not send anc cal", __FUNCTION__); 143 144 close(fd); 145 } 146 147 #endif 148
