1 /*
2 * Copyright (C) 2016 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_info"
18 /*#define LOG_NDEBUG 0*/
19 #define LOG_NDDEBUG 0
20
21 #include <stdlib.h>
22 #include <dlfcn.h>
23 #include <cutils/log.h>
24 #include <cutils/str_parms.h>
25 #include "audio_hw.h"
26 #include "platform.h"
27 #include "platform_api.h"
28
29
30 struct hardware_info {
31 char name[HW_INFO_ARRAY_MAX_SIZE];
32 char type[HW_INFO_ARRAY_MAX_SIZE];
33 /* variables for handling target variants */
34 uint32_t num_snd_devices;
35 char dev_extn[HW_INFO_ARRAY_MAX_SIZE];
36 snd_device_t *snd_devices;
37 };
38
39 #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
40
41
update_hardware_info_8x16(struct hardware_info * hw_info,const char * snd_card_name)42 static void update_hardware_info_8x16(struct hardware_info *hw_info, const char *snd_card_name)
43 {
44 if (!strcmp(snd_card_name, "msm8x16-snd-card") ||
45 !strcmp(snd_card_name, "msm8x16-snd-card-mtp")) {
46 strlcpy(hw_info->name, "msm8x16", sizeof(hw_info->name));
47 } else if (!strcmp(snd_card_name, "msm8909-snd-card") ||
48 !strcmp(snd_card_name, "msm8909-pm8916-snd-card")) {
49 strlcpy(hw_info->name, "msm8909", sizeof(hw_info->name));
50 } else if (!strcmp(snd_card_name, "msm8952-snd-card") ||
51 !strcmp(snd_card_name, "msm8952-snd-card-mtp")) {
52 strlcpy(hw_info->name, "msm8952", sizeof(hw_info->name));
53 } else if (!strcmp(snd_card_name, "msm8952-l9300-snd-card")) {
54 strlcpy(hw_info->name, "msm8952", sizeof(hw_info->name));
55 } else {
56 ALOGW("%s: Not an 8x16/8909/8952 device", __func__);
57 }
58 }
59
hw_info_init(const char * snd_card_name)60 void *hw_info_init(const char *snd_card_name)
61 {
62 struct hardware_info *hw_info;
63
64 hw_info = malloc(sizeof(struct hardware_info));
65 if (!hw_info) {
66 ALOGE("failed to allocate mem for hardware info");
67 return NULL;
68 }
69
70 if (strstr(snd_card_name, "msm8x16") || strstr(snd_card_name, "msm8909")
71 || strstr(snd_card_name, "msm8952")) {
72 ALOGV("8x16 - variant soundcard");
73
74 strlcpy(hw_info->type, "", sizeof(hw_info->type));
75 strlcpy(hw_info->name, "", sizeof(hw_info->name));
76 hw_info->snd_devices = NULL;
77 hw_info->num_snd_devices = 0;
78 strlcpy(hw_info->dev_extn, "", sizeof(hw_info->dev_extn));
79
80 update_hardware_info_8x16(hw_info, snd_card_name);
81 } else {
82 ALOGE("%s: Unsupported target %s:",__func__, snd_card_name);
83 free(hw_info);
84 hw_info = NULL;
85 }
86
87 return hw_info;
88 }
89
hw_info_deinit(void * hw_info)90 void hw_info_deinit(void *hw_info)
91 {
92 struct hardware_info *my_data = (struct hardware_info*) hw_info;
93
94 if(my_data)
95 free(my_data);
96 }
97
hw_info_append_hw_type(void * hw_info,snd_device_t snd_device,char * device_name)98 void hw_info_append_hw_type(void *hw_info, snd_device_t snd_device,
99 char *device_name)
100 {
101 struct hardware_info *my_data = (struct hardware_info*) hw_info;
102 uint32_t i = 0;
103
104 if (my_data == NULL)
105 return;
106
107 snd_device_t *snd_devices =
108 (snd_device_t *) my_data->snd_devices;
109
110 if(snd_devices != NULL) {
111 for (i = 0; i < my_data->num_snd_devices; i++) {
112 if (snd_device == (snd_device_t)snd_devices[i]) {
113 ALOGV("extract dev_extn device %d, extn = %s",
114 (snd_device_t)snd_devices[i], my_data->dev_extn);
115 CHECK(strlcat(device_name, my_data->dev_extn,
116 DEVICE_NAME_MAX_SIZE) < DEVICE_NAME_MAX_SIZE);
117 break;
118 }
119 }
120 }
121 ALOGD("%s : device_name = %s", __func__,device_name);
122 }
123