platform_info.c revision c4f57314a49fb83ed602395d9fe0c0164c9e863d
15bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George/* 25bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George * Copyright (C) 2014 The Android Open Source Project 35bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George * 45bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George * Licensed under the Apache License, Version 2.0 (the "License"); 55bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George * you may not use this file except in compliance with the License. 65bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George * You may obtain a copy of the License at 75bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George * 85bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George * http://www.apache.org/licenses/LICENSE-2.0 95bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George * 105bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George * Unless required by applicable law or agreed to in writing, software 115bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George * distributed under the License is distributed on an "AS IS" BASIS, 125bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 135bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George * See the License for the specific language governing permissions and 145bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George * limitations under the License. 155bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George*/ 165bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George 175bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George#define LOG_TAG "platform_info" 185bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George#define LOG_NDDEBUG 0 195bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George 205bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George#include <errno.h> 215bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George#include <stdio.h> 225bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George#include <expat.h> 235bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George#include <cutils/log.h> 245bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George#include <audio_hw.h> 255bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George#include "platform_api.h" 265bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George#include <platform.h> 275bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George 285bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George#define PLATFORM_INFO_XML_PATH "/system/etc/audio_platform_info.xml" 295bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George 3098c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew Georgetypedef enum { 3198c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George ROOT, 3298c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George ACDB, 3398c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George PCM_ID, 3498c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George BACKEND_NAME, 35c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda CONFIG_PARAMS, 3698c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George} section_t; 3798c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George 3898c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew Georgetypedef void (* section_process_fn)(const XML_Char **attr); 3998c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George 4098c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew Georgestatic void process_acdb_id(const XML_Char **attr); 4198c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew Georgestatic void process_pcm_id(const XML_Char **attr); 4298c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew Georgestatic void process_backend_name(const XML_Char **attr); 43c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamandastatic void process_config_params(const XML_Char **attr); 4498c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew Georgestatic void process_root(const XML_Char **attr); 4598c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George 4698c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew Georgestatic section_process_fn section_table[] = { 4798c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George [ROOT] = process_root, 4898c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George [ACDB] = process_acdb_id, 4998c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George [PCM_ID] = process_pcm_id, 5098c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George [BACKEND_NAME] = process_backend_name, 51c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda [CONFIG_PARAMS] = process_config_params, 5298c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George}; 5398c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George 5498c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew Georgestatic section_t section; 5598c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George 56c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamandastruct platform_info { 57c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda void *platform; 58c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda struct str_parms *kvpairs; 59c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda}; 60c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda 61c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamandastatic struct platform_info my_data; 62c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda 6398c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George/* 6498c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George * <audio_platform_info> 6598c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George * <acdb_ids> 6698c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George * <device name="???" acdb_id="???"/> 6798c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George * ... 6898c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George * ... 6998c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George * </acdb_ids> 7098c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George * <backend_names> 7198c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George * <device name="???" backend="???"/> 7298c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George * ... 7398c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George * ... 7498c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George * </backend_names> 7598c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George * <pcm_ids> 7698c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George * <usecase name="???" type="in/out" id="???"/> 7798c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George * ... 7898c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George * ... 7998c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George * </pcm_ids> 80c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda * <config_params> 81c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda * <param key="snd_card_name" value="msm8994-tomtom-mtp-snd-card"/> 82c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda * ... 83c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda * ... 84c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda * </config_params> 85c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda * 8698c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George * </audio_platform_info> 8798c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George */ 8898c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George 8998c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew Georgestatic void process_root(const XML_Char **attr __unused) 9098c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George{ 9198c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George} 9298c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George 9398c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George/* mapping from usecase to pcm dev id */ 9498c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew Georgestatic void process_pcm_id(const XML_Char **attr) 9598c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George{ 9698c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George int index; 9798c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George 9898c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George if (strcmp(attr[0], "name") != 0) { 99c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda ALOGE("%s: 'name' not found, no pcm_id set!", __func__); 10098c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George goto done; 10198c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George } 10298c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George 10398c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George index = platform_get_usecase_index((char *)attr[1]); 10498c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George if (index < 0) { 10598c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George ALOGE("%s: usecase %s in %s not found!", 10698c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George __func__, attr[1], PLATFORM_INFO_XML_PATH); 10798c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George goto done; 10898c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George } 10998c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George 11098c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George if (strcmp(attr[2], "type") != 0) { 11198c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George ALOGE("%s: usecase type not mentioned", __func__); 11298c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George goto done; 11398c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George } 11498c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George 11598c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George int type = -1; 11698c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George 11798c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George if (!strcasecmp((char *)attr[3], "in")) { 11898c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George type = 1; 11998c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George } else if (!strcasecmp((char *)attr[3], "out")) { 12098c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George type = 0; 12198c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George } else { 12298c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George ALOGE("%s: type must be IN or OUT", __func__); 12398c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George goto done; 12498c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George } 12598c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George 12698c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George if (strcmp(attr[4], "id") != 0) { 12798c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George ALOGE("%s: usecase id not mentioned", __func__); 12898c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George goto done; 12998c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George } 13098c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George 13198c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George int id = atoi((char *)attr[5]); 13298c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George 13398c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George if (platform_set_usecase_pcm_id(index, type, id) < 0) { 13498c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George ALOGE("%s: usecase %s in %s, type %d id %d was not set!", 13598c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George __func__, attr[1], PLATFORM_INFO_XML_PATH, type, id); 13698c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George goto done; 13798c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George } 13898c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George 13998c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew Georgedone: 14098c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George return; 14198c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George} 14298c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George 14398c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George/* backend to be used for a device */ 14498c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew Georgestatic void process_backend_name(const XML_Char **attr) 14598c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George{ 14698c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George int index; 147b7ea4f581dab56101215e97692c265931addad80Ravi Kumar Alamanda char *hw_interface = NULL; 14898c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George 14998c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George if (strcmp(attr[0], "name") != 0) { 15098c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George ALOGE("%s: 'name' not found, no ACDB ID set!", __func__); 15198c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George goto done; 15298c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George } 15398c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George 15498c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George index = platform_get_snd_device_index((char *)attr[1]); 15598c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George if (index < 0) { 15698c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George ALOGE("%s: Device %s in %s not found, no ACDB ID set!", 15798c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George __func__, attr[1], PLATFORM_INFO_XML_PATH); 15898c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George goto done; 15998c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George } 16098c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George 16198c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George if (strcmp(attr[2], "backend") != 0) { 16298c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George ALOGE("%s: Device %s in %s has no backed set!", 16398c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George __func__, attr[1], PLATFORM_INFO_XML_PATH); 16498c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George goto done; 16598c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George } 16698c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George 167b7ea4f581dab56101215e97692c265931addad80Ravi Kumar Alamanda if (attr[4] != NULL) { 168b7ea4f581dab56101215e97692c265931addad80Ravi Kumar Alamanda if (strcmp(attr[4], "interface") != 0) { 169b7ea4f581dab56101215e97692c265931addad80Ravi Kumar Alamanda hw_interface = NULL; 170b7ea4f581dab56101215e97692c265931addad80Ravi Kumar Alamanda } else { 171b7ea4f581dab56101215e97692c265931addad80Ravi Kumar Alamanda hw_interface = (char *)attr[5]; 172b7ea4f581dab56101215e97692c265931addad80Ravi Kumar Alamanda } 173b7ea4f581dab56101215e97692c265931addad80Ravi Kumar Alamanda } 174b7ea4f581dab56101215e97692c265931addad80Ravi Kumar Alamanda 175b7ea4f581dab56101215e97692c265931addad80Ravi Kumar Alamanda if (platform_set_snd_device_backend(index, attr[3], hw_interface) < 0) { 17698c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George ALOGE("%s: Device %s in %s, backend %s was not set!", 17798c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George __func__, attr[1], PLATFORM_INFO_XML_PATH, attr[3]); 17898c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George goto done; 17998c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George } 18098c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George 18198c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew Georgedone: 18298c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George return; 18398c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George} 18498c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George 18598c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew Georgestatic void process_acdb_id(const XML_Char **attr) 1865bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George{ 1875bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George int index; 1885bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George 1895bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George if (strcmp(attr[0], "name") != 0) { 1905bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George ALOGE("%s: 'name' not found, no ACDB ID set!", __func__); 1915bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George goto done; 1925bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George } 1935bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George 1945bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George index = platform_get_snd_device_index((char *)attr[1]); 1955bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George if (index < 0) { 1965bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George ALOGE("%s: Device %s in %s not found, no ACDB ID set!", 1975bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George __func__, attr[1], PLATFORM_INFO_XML_PATH); 1985bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George goto done; 1995bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George } 2005bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George 2015bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George if (strcmp(attr[2], "acdb_id") != 0) { 2025bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George ALOGE("%s: Device %s in %s has no acdb_id, no ACDB ID set!", 2035bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George __func__, attr[1], PLATFORM_INFO_XML_PATH); 2045bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George goto done; 2055bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George } 2065bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George 20798c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George if (platform_set_snd_device_acdb_id(index, atoi((char *)attr[3])) < 0) { 2085bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George ALOGE("%s: Device %s in %s, ACDB ID %d was not set!", 2095bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George __func__, attr[1], PLATFORM_INFO_XML_PATH, atoi((char *)attr[3])); 2105bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George goto done; 2115bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George } 2125bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George 2135bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew Georgedone: 2145bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George return; 2155bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George} 2165bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George 217c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda/* platform specific configuration key-value pairs */ 218c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamandastatic void process_config_params(const XML_Char **attr) 219c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda{ 220c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda if (strcmp(attr[0], "key") != 0) { 221c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda ALOGE("%s: 'key' not found", __func__); 222c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda goto done; 223c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda } 224c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda 225c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda if (strcmp(attr[2], "value") != 0) { 226c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda ALOGE("%s: 'value' not found", __func__); 227c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda goto done; 228c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda } 229c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda 230c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda str_parms_add_str(my_data.kvpairs, (char*)attr[1], (char*)attr[3]); 231c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamandadone: 232c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda return; 233c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda} 234c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda 2355bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew Georgestatic void start_tag(void *userdata __unused, const XML_Char *tag_name, 2365bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George const XML_Char **attr) 2375bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George{ 2385bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George const XML_Char *attr_name = NULL; 2395bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George const XML_Char *attr_value = NULL; 2405bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George unsigned int i; 2415bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George 24298c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George if (strcmp(tag_name, "acdb_ids") == 0) { 24398c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George section = ACDB; 24498c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George } else if (strcmp(tag_name, "pcm_ids") == 0) { 24598c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George section = PCM_ID; 24698c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George } else if (strcmp(tag_name, "backend_names") == 0) { 24798c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George section = BACKEND_NAME; 248c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda } else if (strcmp(tag_name, "config_params") == 0) { 249c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda section = CONFIG_PARAMS; 25098c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George } else if (strcmp(tag_name, "device") == 0) { 25198c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George if ((section != ACDB) && (section != BACKEND_NAME)) { 25298c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George ALOGE("device tag only supported for acdb/backend names"); 25398c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George return; 25498c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George } 25598c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George 25698c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George /* call into process function for the current section */ 25798c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George section_process_fn fn = section_table[section]; 25898c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George fn(attr); 25998c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George } else if (strcmp(tag_name, "usecase") == 0) { 26098c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George if (section != PCM_ID) { 26198c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George ALOGE("usecase tag only supported with PCM_ID section"); 26298c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George return; 26398c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George } 26498c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George 26598c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George section_process_fn fn = section_table[PCM_ID]; 26698c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George fn(attr); 267c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda } else if (strcmp(tag_name, "param") == 0) { 268c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda if (section != CONFIG_PARAMS) { 269c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda ALOGE("param tag only supported with CONFIG_PARAMS section"); 270c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda return; 271c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda } 272c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda 273c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda section_process_fn fn = section_table[section]; 274c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda fn(attr); 27598c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George } 2765bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George 2775bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George return; 2785bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George} 2795bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George 28098c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew Georgestatic void end_tag(void *userdata __unused, const XML_Char *tag_name) 2815bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George{ 28298c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George if (strcmp(tag_name, "acdb_ids") == 0) { 28398c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George section = ROOT; 28498c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George } else if (strcmp(tag_name, "pcm_ids") == 0) { 28598c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George section = ROOT; 28698c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George } else if (strcmp(tag_name, "backend_names") == 0) { 28798c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George section = ROOT; 288c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda } else if (strcmp(tag_name, "config_params") == 0) { 289c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda section = ROOT; 290c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda platform_set_parameters(my_data.platform, my_data.kvpairs); 29198c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George } 2925bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George} 2935bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George 294c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamandaint platform_info_init(void *platform) 2955bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George{ 2965bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George XML_Parser parser; 2975bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George FILE *file; 2985bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George int ret = 0; 2995bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George int bytes_read; 3005bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George void *buf; 3015bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George static const uint32_t kBufSize = 1024; 3025bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George 30398c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George section = ROOT; 30498c95622da1e906d32dde6b6651ed5b270b9b5f1Haynes Mathew George 3055bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George file = fopen(PLATFORM_INFO_XML_PATH, "r"); 3065bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George if (!file) { 3075bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George ALOGD("%s: Failed to open %s, using defaults.", 3085bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George __func__, PLATFORM_INFO_XML_PATH); 3095bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George ret = -ENODEV; 3105bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George goto done; 3115bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George } 3125bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George 3135bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George parser = XML_ParserCreate(NULL); 3145bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George if (!parser) { 3155bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George ALOGE("%s: Failed to create XML parser!", __func__); 3165bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George ret = -ENODEV; 3175bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George goto err_close_file; 3185bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George } 3195bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George 320c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda my_data.platform = platform; 321c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda my_data.kvpairs = str_parms_create(); 322c4f57314a49fb83ed602395d9fe0c0164c9e863dRavi Kumar Alamanda 3235bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George XML_SetElementHandler(parser, start_tag, end_tag); 3245bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George 3255bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George while (1) { 3265bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George buf = XML_GetBuffer(parser, kBufSize); 3275bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George if (buf == NULL) { 3285bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George ALOGE("%s: XML_GetBuffer failed", __func__); 3295bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George ret = -ENOMEM; 3305bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George goto err_free_parser; 3315bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George } 3325bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George 3335bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George bytes_read = fread(buf, 1, kBufSize, file); 3345bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George if (bytes_read < 0) { 3355bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George ALOGE("%s: fread failed, bytes read = %d", __func__, bytes_read); 3365bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George ret = bytes_read; 3375bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George goto err_free_parser; 3385bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George } 3395bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George 3405bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George if (XML_ParseBuffer(parser, bytes_read, 3415bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George bytes_read == 0) == XML_STATUS_ERROR) { 3425bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George ALOGE("%s: XML_ParseBuffer failed, for %s", 3435bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George __func__, PLATFORM_INFO_XML_PATH); 3445bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George ret = -EINVAL; 3455bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George goto err_free_parser; 3465bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George } 3475bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George 3485bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George if (bytes_read == 0) 3495bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George break; 3505bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George } 3515bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George 3525bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew Georgeerr_free_parser: 3535bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George XML_ParserFree(parser); 3545bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew Georgeerr_close_file: 3555bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George fclose(file); 3565bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew Georgedone: 3575bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George return ret; 3585bc188456348ebdfc5d3c86414952503ec41bd44Haynes Mathew George} 359