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
hw_util_open(int card_no)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
send_codec_cal(acdb_get_calibration_t acdb_loader_get_calibration,int fd)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
audio_extn_hwdep_cal_send(int snd_card,void * acdb_handle)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