common: Add platform-specific power libraries.
Add platform-specific power HAL libraries to the built product. Change-Id: Ie6e8d3af3f5f83618bc66ccc2f420d209c53ce12
This commit is contained in:
Anurag Singh
parent
0700123f01
commit
2d5b93ca9f
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@ -284,6 +284,9 @@ LIBQDUTILS := libqdutils
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#LIBQDMETADATA
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LIBQDMETADATA := libqdMetaData
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#LIBPOWER
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LIBPOWER := power.qcom
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#LLVM for RenderScript
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#use qcom LLVM
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$(call inherit-product, external/llvm/llvm-select.mk)
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@ -478,6 +481,7 @@ PRODUCT_PACKAGES += $(LIBPERFLOCK)
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PRODUCT_PACKAGES += $(LIBQCOMUI)
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PRODUCT_PACKAGES += $(LIBQDUTILS)
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PRODUCT_PACKAGES += $(LIBQDMETADATA)
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PRODUCT_PACKAGES += $(LIBPOWER)
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PRODUCT_PACKAGES += $(LOC_API)
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PRODUCT_PACKAGES += $(MEDIA_PROFILES)
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PRODUCT_PACKAGES += $(MM_AUDIO)
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@ -0,0 +1,12 @@
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LOCAL_PATH := $(call my-dir)
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# HAL module implemenation stored in
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# hw/<POWERS_HARDWARE_MODULE_ID>.<ro.hardware>.so
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include $(CLEAR_VARS)
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LOCAL_MODULE_PATH := $(TARGET_OUT_VENDOR_SHARED_LIBRARIES)/hw
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LOCAL_SHARED_LIBRARIES := liblog libcutils libdl
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LOCAL_SRC_FILES := power.c metadata-parser.c
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LOCAL_MODULE := power.qcom
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LOCAL_MODULE_TAGS := optional
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include $(BUILD_SHARED_LIBRARY)
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@ -0,0 +1,46 @@
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/* Copyright (c) 2012, The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of Code Aurora Forum, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#define ATTRIBUTE_VALUE_DELIM ('=')
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#define ATTRIBUTE_STRING_DELIM (";")
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#define METADATA_PARSING_ERR (-1)
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#define METADATA_PARSING_CONTINUE (0)
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#define METADATA_PARSING_DONE (1)
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#define MIN(x,y) (((x)>(y))?(y):(x))
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struct video_encode_metadata_t {
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int state;
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};
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int parse_metadata(char *metadata, char **metadata_saveptr,
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char *attribute, int attribute_size, char *value, int value_size);
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int parse_video_metadata(char *metadata,
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struct video_encode_metadata_t *video_encode_metadata);
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@ -0,0 +1,93 @@
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/* Copyright (c) 2012, The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of Code Aurora Forum, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include "metadata-defs.h"
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int parse_metadata(char *metadata, char **metadata_saveptr,
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char *attribute, int attribute_size, char *value, int value_size)
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{
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char *attribute_string;
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char *attribute_value_delim;
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unsigned int bytes_to_copy;
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attribute_string = strtok_r(metadata, ATTRIBUTE_STRING_DELIM,
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metadata_saveptr);
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if (attribute_string == NULL)
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return METADATA_PARSING_DONE;
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attribute[0] = value[0] = '\0';
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if ((attribute_value_delim = strchr(attribute_string,
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ATTRIBUTE_VALUE_DELIM)) != NULL) {
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bytes_to_copy = MIN((attribute_value_delim - attribute_string),
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attribute_size - 1);
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strncpy(attribute, attribute_string,
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bytes_to_copy);
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attribute[bytes_to_copy] = '\0';
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bytes_to_copy = MIN(strlen(attribute_string) - strlen(attribute) - 1,
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value_size - 1);
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strncpy(value, attribute_value_delim + 1,
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bytes_to_copy);
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value[bytes_to_copy] = '\0';
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}
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return METADATA_PARSING_CONTINUE;
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}
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int parse_video_metadata(char *metadata,
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struct video_encode_metadata_t *video_encode_metadata)
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{
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char attribute[1024], value[1024], *saveptr;
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char *temp_metadata = metadata;
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int parsing_status;
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while ((parsing_status = parse_metadata(temp_metadata, &saveptr,
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attribute, sizeof(attribute), value, sizeof(value))) == METADATA_PARSING_CONTINUE) {
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if (strlen(attribute) == strlen("state") &&
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(strncmp(attribute, "state", strlen("state")) == 0)) {
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if (strlen(value) > 0) {
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video_encode_metadata->state = atoi(value);
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}
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}
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temp_metadata = NULL;
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}
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if (parsing_status == METADATA_PARSING_ERR)
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return -1;
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return 0;
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}
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@ -0,0 +1,301 @@
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/*
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* Copyright (c) 2012, The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of Code Aurora Forum, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <errno.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <dlfcn.h>
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#include <stdlib.h>
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#define LOG_TAG "QCOM PowerHAL"
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#include <utils/Log.h>
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#include <cutils/properties.h>
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#include <hardware/hardware.h>
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#include <hardware/power.h>
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#include "metadata-defs.h"
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#define SCALING_GOVERNOR_PATH "/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"
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#define ONDEMAND_PATH "/sys/devices/system/cpu/cpufreq/ondemand/"
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#define ONDEMAND_IO_BUSY_PATH "/sys/devices/system/cpu/cpufreq/ondemand/io_is_busy"
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#define ONDEMAND_SAMPLING_DOWN_PATH "/sys/devices/system/cpu/cpufreq/ondemand/sampling_down_factor"
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static int (*perf_vote_turnoff_ondemand_io_busy)(int vote);
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static int perf_vote_ondemand_io_busy_unavailable;
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static int (*perf_vote_lower_ondemand_sdf)(int vote);
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static int perf_vote_ondemand_sdf_unavailable;
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static void *qcopt_handle;
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static int qcopt_handle_unavailable;
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static int saved_ondemand_sampling_down_factor = 4;
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static int saved_ondemand_io_is_busy_status = 1;
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static void *get_qcopt_handle()
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{
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if (qcopt_handle_unavailable) {
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return NULL;
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}
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if (!qcopt_handle) {
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char qcopt_lib_path[PATH_MAX] = {0};
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dlerror();
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if (property_get("ro.vendor.extension_library", qcopt_lib_path,
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NULL) != 0) {
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if((qcopt_handle = dlopen(qcopt_lib_path, RTLD_NOW)) == NULL) {
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qcopt_handle_unavailable = 1;
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ALOGE("Unable to open %s: %s\n", qcopt_lib_path,
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dlerror());
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}
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} else {
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qcopt_handle_unavailable = 1;
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ALOGE("Property ro.vendor.extension_library does not exist.");
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}
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}
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return qcopt_handle;
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}
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static int sysfs_read(char *path, char *s, int num_bytes)
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{
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char buf[80];
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int count;
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int ret = 0;
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int fd = open(path, O_RDONLY);
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if (fd < 0) {
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strerror_r(errno, buf, sizeof(buf));
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ALOGE("Error opening %s: %s\n", path, buf);
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return -1;
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}
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if ((count = read(fd, s, num_bytes - 1)) < 0) {
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strerror_r(errno, buf, sizeof(buf));
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ALOGE("Error writing to %s: %s\n", path, buf);
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ret = -1;
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} else {
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s[count] = '\0';
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}
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close(fd);
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return ret;
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}
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static int sysfs_write(char *path, char *s)
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{
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char buf[80];
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int len;
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int ret = 0;
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int fd = open(path, O_WRONLY);
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if (fd < 0) {
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strerror_r(errno, buf, sizeof(buf));
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ALOGE("Error opening %s: %s\n", path, buf);
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return -1 ;
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}
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len = write(fd, s, strlen(s));
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if (len < 0) {
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strerror_r(errno, buf, sizeof(buf));
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ALOGE("Error writing to %s: %s\n", path, buf);
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ret = -1;
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}
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close(fd);
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return ret;
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}
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static struct hw_module_methods_t power_module_methods = {
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.open = NULL,
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};
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void power_init(struct power_module *module)
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{
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ALOGI("QCOM power HAL initing.");
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}
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static int get_scaling_governor(char governor[], int size) {
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if (sysfs_read(SCALING_GOVERNOR_PATH, governor,
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size) == -1) {
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// Can't obtain the scaling governor. Return.
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return -1;
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} else {
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// Strip newline at the end.
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int len = strlen(governor);
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len--;
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while (len >= 0 && (governor[len] == '\n' || governor[len] == '\r'))
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governor[len--] = '\0';
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}
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return 0;
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}
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static void process_video_encode_hint(void *metadata)
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{
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void *handle;
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char governor[80];
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struct video_encode_metadata_t video_encode_metadata;
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if (get_scaling_governor(governor, sizeof(governor)) == -1) {
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ALOGE("Can't obtain scaling governor.");
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return;
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}
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/* Initialize encode metadata struct fields. */
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memset(&video_encode_metadata, 0, sizeof(video_encode_metadata));
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video_encode_metadata.state = -1;
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if (metadata) {
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if (parse_video_metadata((char *)metadata, &video_encode_metadata) ==
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-1) {
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ALOGE("Error occurred while parsing metadata.");
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return;
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}
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} else {
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return;
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}
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if ((handle = get_qcopt_handle())) {
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if (video_encode_metadata.state == 1) {
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if ((strlen(governor) == strlen("ondemand")) &&
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(strncmp(governor, "ondemand", strlen("ondemand")) == 0)) {
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if (!perf_vote_ondemand_io_busy_unavailable) {
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perf_vote_turnoff_ondemand_io_busy = dlsym(handle,
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"perf_vote_turnoff_ondemand_io_busy");
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if (perf_vote_turnoff_ondemand_io_busy) {
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/* Vote to turn io_is_busy off */
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perf_vote_turnoff_ondemand_io_busy(1);
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} else {
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perf_vote_ondemand_io_busy_unavailable = 1;
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ALOGE("Can't set io_busy_status.");
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}
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}
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if (!perf_vote_ondemand_sdf_unavailable) {
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perf_vote_lower_ondemand_sdf = dlsym(handle,
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"perf_vote_lower_ondemand_sdf");
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if (perf_vote_lower_ondemand_sdf) {
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perf_vote_lower_ondemand_sdf(1);
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} else {
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perf_vote_ondemand_sdf_unavailable = 1;
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ALOGE("Can't set sampling_down_factor.");
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}
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}
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}
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} else if (video_encode_metadata.state == 0) {
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if ((strlen(governor) == strlen("ondemand")) &&
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(strncmp(governor, "ondemand", strlen("ondemand")) == 0)) {
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if (!perf_vote_ondemand_io_busy_unavailable) {
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perf_vote_turnoff_ondemand_io_busy = dlsym(handle,
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"perf_vote_turnoff_ondemand_io_busy");
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if (perf_vote_turnoff_ondemand_io_busy) {
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/* Remove vote to turn io_busy off. */
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perf_vote_turnoff_ondemand_io_busy(0);
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} else {
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perf_vote_ondemand_io_busy_unavailable = 1;
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ALOGE("Can't set io_busy_status.");
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}
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}
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if (!perf_vote_ondemand_sdf_unavailable) {
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perf_vote_lower_ondemand_sdf = dlsym(handle,
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"perf_vote_lower_ondemand_sdf");
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if (perf_vote_lower_ondemand_sdf) {
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/* Remove vote to lower sampling down factor. */
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perf_vote_lower_ondemand_sdf(0);
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} else {
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perf_vote_ondemand_sdf_unavailable = 1;
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ALOGE("Can't set sampling_down_factor.");
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}
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}
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}
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}
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}
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}
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int __attribute__ ((weak)) power_hint_override(struct power_module *module, power_hint_t hint,
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void *data)
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{
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return -1;
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}
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static void power_hint(struct power_module *module, power_hint_t hint,
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void *data)
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{
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/* Check if this hint has been overridden. */
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if (power_hint_override(module, hint, data) == 0) {
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/* The power_hint has been handled. We can skip the rest. */
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return;
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}
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switch(hint) {
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case POWER_HINT_VSYNC:
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break;
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case POWER_HINT_INTERACTION:
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break;
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case POWER_HINT_VIDEO_ENCODE:
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process_video_encode_hint(data);
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break;
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}
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}
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void set_interactive(struct power_module *module, int on)
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{
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}
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struct power_module HAL_MODULE_INFO_SYM = {
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.common = {
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.tag = HARDWARE_MODULE_TAG,
|
||||
.module_api_version = POWER_MODULE_API_VERSION_0_2,
|
||||
.hal_api_version = HARDWARE_HAL_API_VERSION,
|
||||
.id = POWER_HARDWARE_MODULE_ID,
|
||||
.name = "QCOM Power HAL",
|
||||
.author = "Qualcomm",
|
||||
.methods = &power_module_methods,
|
||||
},
|
||||
|
||||
.init = power_init,
|
||||
.powerHint = power_hint,
|
||||
.setInteractive = set_interactive,
|
||||
};
|
||||
Loading…
Reference in New Issue