| Index: third_party/hwcplus/src/hardware.c
|
| diff --git a/third_party/hwcplus/src/hardware.c b/third_party/hwcplus/src/hardware.c
|
| deleted file mode 100644
|
| index 4ff293d243cefae991b156e93c9925d396d82f91..0000000000000000000000000000000000000000
|
| --- a/third_party/hwcplus/src/hardware.c
|
| +++ /dev/null
|
| @@ -1,220 +0,0 @@
|
| -/*
|
| - * Copyright (C) 2008 The Android Open Source Project
|
| - *
|
| - * Licensed under the Apache License, Version 2.0 (the "License");
|
| - * you may not use this file except in compliance with the License.
|
| - * You may obtain a copy of the License at
|
| - *
|
| - * http://www.apache.org/licenses/LICENSE-2.0
|
| - *
|
| - * Unless required by applicable law or agreed to in writing, software
|
| - * distributed under the License is distributed on an "AS IS" BASIS,
|
| - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| - * See the License for the specific language governing permissions and
|
| - * limitations under the License.
|
| - */
|
| -
|
| -#include <hardware/hardware.h>
|
| -
|
| -#include <cutils/properties.h>
|
| -
|
| -#include <dlfcn.h>
|
| -#include <string.h>
|
| -#include <pthread.h>
|
| -#include <errno.h>
|
| -#include <limits.h>
|
| -#include <stdlib.h>
|
| -
|
| -#define LOG_TAG "HAL"
|
| -#ifdef ANDROID
|
| -#include <utils/Log.h>
|
| -#else
|
| -#include <stdio.h>
|
| -#include <unistd.h>
|
| -#include <log/log.h>
|
| -#endif
|
| -
|
| -#if defined(__LP64__)
|
| -#define _64 "64"
|
| -#else
|
| -#define _64 ""
|
| -#endif
|
| -
|
| -/** Base path of the hal modules */
|
| -#ifndef HAL_LIBRARY_PATH1
|
| -#define HAL_LIBRARY_PATH1 "/system/lib" _64 "/hw"
|
| -#endif
|
| -#ifndef HAL_LIBRARY_PATH2
|
| -#define HAL_LIBRARY_PATH2 "/vendor/lib" _64 "/hw"
|
| -#endif
|
| -
|
| -/**
|
| - * There are a set of variant filename for modules. The form of the filename
|
| - * is "<MODULE_ID>.variant.so" so for the led module the Dream variants
|
| - * of base "ro.product.board", "ro.board.platform" and "ro.arch" would be:
|
| - *
|
| - * led.trout.so
|
| - * led.msm7k.so
|
| - * led.ARMV6.so
|
| - * led.default.so
|
| - */
|
| -
|
| -static const char *variant_keys[] = {
|
| - "ro.hardware", /* This goes first so that it can pick up a different
|
| - file on the emulator. */
|
| - "ro.product.board",
|
| - "ro.board.platform",
|
| - "ro.arch"
|
| -};
|
| -
|
| -static const int HAL_VARIANT_KEYS_COUNT =
|
| - (sizeof(variant_keys)/sizeof(variant_keys[0]));
|
| -
|
| -/**
|
| - * Load the file defined by the variant and if successful
|
| - * return the dlopen handle and the hmi.
|
| - * @return 0 = success, !0 = failure.
|
| - */
|
| -static int load(const char *id,
|
| - const char *path,
|
| - const struct hw_module_t **pHmi)
|
| -{
|
| - int status;
|
| - void *handle;
|
| - struct hw_module_t *hmi;
|
| -
|
| - /*
|
| - * load the symbols resolving undefined symbols before
|
| - * dlopen returns. Since RTLD_GLOBAL is not or'd in with
|
| - * RTLD_NOW the external symbols will not be global
|
| - */
|
| - handle = dlopen(path, RTLD_NOW);
|
| - if (handle == NULL) {
|
| - char const *err_str = dlerror();
|
| - ALOGE("load: module=%s\n%s", path, err_str?err_str:"unknown");
|
| - status = -EINVAL;
|
| - goto done;
|
| - }
|
| -
|
| - /* Get the address of the struct hal_module_info. */
|
| - const char *sym = HAL_MODULE_INFO_SYM_AS_STR;
|
| - hmi = (struct hw_module_t *)dlsym(handle, sym);
|
| - if (hmi == NULL) {
|
| - ALOGE("load: couldn't find symbol %s", sym);
|
| - status = -EINVAL;
|
| - goto done;
|
| - }
|
| -
|
| - /* Check that the id matches */
|
| - if (strcmp(id, hmi->id) != 0) {
|
| - ALOGE("load: id=%s != hmi->id=%s", id, hmi->id);
|
| - status = -EINVAL;
|
| - goto done;
|
| - }
|
| -
|
| - hmi->dso = handle;
|
| -
|
| - /* success */
|
| - status = 0;
|
| -
|
| - done:
|
| - if (status != 0) {
|
| - hmi = NULL;
|
| - if (handle != NULL) {
|
| - dlclose(handle);
|
| - handle = NULL;
|
| - }
|
| - } else {
|
| - ALOGV("loaded HAL id=%s path=%s hmi=%p handle=%p",
|
| - id, path, *pHmi, handle);
|
| - }
|
| -
|
| - *pHmi = hmi;
|
| -
|
| - return status;
|
| -}
|
| -
|
| -/*
|
| - * Check if a HAL with given name and subname exists, if so return 0, otherwise
|
| - * otherwise return negative. On success path will contain the path to the HAL.
|
| - */
|
| -static int hw_module_exists(char *path, size_t path_len, const char *name,
|
| - const char *subname)
|
| -{
|
| - char *hal_library_path = getenv("HAL_LIBRARY_PATH");
|
| - if (hal_library_path) {
|
| - snprintf(path, path_len, "%s/%s.%s.so",
|
| - hal_library_path, name, subname);
|
| - if (access(path, R_OK) == 0)
|
| - return 0;
|
| - }
|
| -
|
| - snprintf(path, path_len, "%s/%s.%s.so",
|
| - HAL_LIBRARY_PATH2, name, subname);
|
| - if (access(path, R_OK) == 0)
|
| - return 0;
|
| -
|
| - snprintf(path, path_len, "%s/%s.%s.so",
|
| - HAL_LIBRARY_PATH1, name, subname);
|
| - if (access(path, R_OK) == 0)
|
| - return 0;
|
| -
|
| - return -ENOENT;
|
| -}
|
| -
|
| -int hw_get_module_by_class(const char *class_id, const char *inst,
|
| - const struct hw_module_t **module)
|
| -{
|
| - int i;
|
| - char prop[PATH_MAX];
|
| - char path[PATH_MAX];
|
| - char name[PATH_MAX];
|
| - char prop_name[PATH_MAX];
|
| -
|
| - if (inst)
|
| - snprintf(name, PATH_MAX, "%s.%s", class_id, inst);
|
| - else
|
| - strlcpy(name, class_id, PATH_MAX);
|
| -
|
| - /*
|
| - * Here we rely on the fact that calling dlopen multiple times on
|
| - * the same .so will simply increment a refcount (and not load
|
| - * a new copy of the library).
|
| - * We also assume that dlopen() is thread-safe.
|
| - */
|
| -
|
| - /* First try a property specific to the class and possibly instance */
|
| - snprintf(prop_name, sizeof(prop_name), "ro.hardware.%s", name);
|
| - if (property_get(prop_name, prop, NULL) > 0) {
|
| - if (hw_module_exists(path, sizeof(path), name, prop) == 0) {
|
| - goto found;
|
| - }
|
| - }
|
| -
|
| - /* Loop through the configuration variants looking for a module */
|
| - for (i=0 ; i<HAL_VARIANT_KEYS_COUNT; i++) {
|
| - if (property_get(variant_keys[i], prop, NULL) == 0) {
|
| - continue;
|
| - }
|
| - if (hw_module_exists(path, sizeof(path), name, prop) == 0) {
|
| - goto found;
|
| - }
|
| - }
|
| -
|
| - /* Nothing found, try the default */
|
| - if (hw_module_exists(path, sizeof(path), name, "default") == 0) {
|
| - goto found;
|
| - }
|
| -
|
| - return -ENOENT;
|
| -
|
| -found:
|
| - /* load the module, if this fails, we're doomed, and we should not try
|
| - * to load a different variant. */
|
| - return load(class_id, path, module);
|
| -}
|
| -
|
| -int hw_get_module(const char *id, const struct hw_module_t **module)
|
| -{
|
| - return hw_get_module_by_class(id, NULL, module);
|
| -}
|
|
|