From 96a266bf3c0ce30a418dac4cbc1807d37ba59bd5 Mon Sep 17 00:00:00 2001 From: Ziyan Date: Sun, 4 Sep 2016 18:44:18 +0200 Subject: Use OMAP4 common libpower Change-Id: I7d0e26288924af8260cbd6276754fc01259e9538 --- device-common.mk | 1 - libpower/Android.mk | 25 ------ libpower/power.c | 233 ---------------------------------------------------- 3 files changed, 259 deletions(-) delete mode 100644 libpower/Android.mk delete mode 100644 libpower/power.c diff --git a/device-common.mk b/device-common.mk index d06e429..2bb38ee 100644 --- a/device-common.mk +++ b/device-common.mk @@ -92,7 +92,6 @@ PRODUCT_PACKAGES += \ e2fsck \ lights.omap4 \ libinvensense_mpl \ - power.piranha \ sensors.piranha \ geomagneticd \ orientationd diff --git a/libpower/Android.mk b/libpower/Android.mk deleted file mode 100644 index 32be9e1..0000000 --- a/libpower/Android.mk +++ /dev/null @@ -1,25 +0,0 @@ -# Copyright (C) 2011 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. - -LOCAL_PATH := $(call my-dir) - -include $(CLEAR_VARS) - -LOCAL_MODULE := power.$(TARGET_BOOTLOADER_BOARD_NAME) -LOCAL_MODULE_PATH := $(TARGET_OUT_SHARED_LIBRARIES)/hw -LOCAL_SRC_FILES := power.c -LOCAL_SHARED_LIBRARIES := liblog -LOCAL_MODULE_TAGS := optional - -include $(BUILD_SHARED_LIBRARY) diff --git a/libpower/power.c b/libpower/power.c deleted file mode 100644 index cae89cc..0000000 --- a/libpower/power.c +++ /dev/null @@ -1,233 +0,0 @@ -/* - * Copyright (C) 2012 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 -#include -#include -#include -#include - -#define LOG_TAG "TI OMAP PowerHAL" -#include - -#include -#include - -#define CPUFREQ_INTERACTIVE "/sys/devices/system/cpu/cpufreq/interactive/" -#define CPUFREQ_CPU0 "/sys/devices/system/cpu/cpu0/cpufreq/" -#define BOOSTPULSE_PATH (CPUFREQ_INTERACTIVE "boostpulse") - -#define MAX_FREQ_NUMBER 10 -#define NOM_FREQ_INDEX 2 - -static int freq_num; -static char *freq_list[MAX_FREQ_NUMBER]; -static char *max_freq, *nom_freq; - -struct omap_power_module { - struct power_module base; - pthread_mutex_t lock; - int boostpulse_fd; - int boostpulse_warned; - int inited; -}; - -static int str_to_tokens(char *str, char **token, int max_token_idx) { - char *pos, *start_pos = str; - char *token_pos; - int token_idx = 0; - - if (!str || !token || !max_token_idx) { - return 0; - } - - do { - token_pos = strtok_r(start_pos, " \t\r\n", &pos); - - if (token_pos) - token[token_idx++] = strdup(token_pos); - start_pos = NULL; - } while (token_pos && token_idx < max_token_idx); - - return token_idx; -} - -static void sysfs_write(char *path, char *s) { - char buf[80]; - int len; - int fd = open(path, O_WRONLY); - - if (fd < 0) { - strerror_r(errno, buf, sizeof(buf)); - ALOGE("Error opening %s: %s\n", path, buf); - return; - } - - len = write(fd, s, strlen(s)); - if (len < 0) { - strerror_r(errno, buf, sizeof(buf)); - ALOGE("Error writing to %s: %s\n", path, buf); - } - - close(fd); -} - -static int sysfs_read(char *path, char *s, int s_size) { - char buf[80]; - int len, i; - int fd; - - if (!path || !s || !s_size) { - return -1; - } - - fd = open(path, O_RDONLY); - if (fd < 0) { - strerror_r(errno, buf, sizeof(buf)); - ALOGE("Error opening %s: %s\n", path, buf); - return fd; - } - - len = read(fd, s, s_size-1); - if (len < 0) { - strerror_r(errno, buf, sizeof(buf)); - ALOGE("Error reading from %s: %s\n", path, buf); - } else { - s[len] = '\0'; - } - - close(fd); - return len; -} - -static void omap_power_init(struct power_module *module) { - struct omap_power_module *omap_device = (struct omap_power_module *) module; - int tmp; - char freq_buf[MAX_FREQ_NUMBER*10]; - - tmp = sysfs_read(CPUFREQ_CPU0 "scaling_available_frequencies", freq_buf, sizeof(freq_buf)); - if (tmp <= 0) { - return; - } - - freq_num = str_to_tokens(freq_buf, freq_list, MAX_FREQ_NUMBER); - if (!freq_num) { - return; - } - - max_freq = freq_list[freq_num - 1]; - tmp = (NOM_FREQ_INDEX > freq_num) ? freq_num : NOM_FREQ_INDEX; - nom_freq = freq_list[tmp - 1]; - - sysfs_write(CPUFREQ_INTERACTIVE "timer_rate", "20000"); - sysfs_write(CPUFREQ_INTERACTIVE "min_sample_time","60000"); - sysfs_write(CPUFREQ_INTERACTIVE "hispeed_freq", nom_freq); - sysfs_write(CPUFREQ_INTERACTIVE "go_hispeed_load", "50"); - sysfs_write(CPUFREQ_INTERACTIVE "above_hispeed_delay", "100000"); - - ALOGI("Initialized successfully"); - omap_device->inited = 1; -} - -static int boostpulse_open(struct omap_power_module *omap_device) { - char buf[80]; - - pthread_mutex_lock(&omap_device->lock); - - if (omap_device->boostpulse_fd < 0) { - omap_device->boostpulse_fd = open(BOOSTPULSE_PATH, O_WRONLY); - - if (omap_device->boostpulse_fd < 0) { - if (!omap_device->boostpulse_warned) { - strerror_r(errno, buf, sizeof(buf)); - ALOGE("Error opening %s: %s\n", BOOSTPULSE_PATH, buf); - omap_device->boostpulse_warned = 1; - } - } - } - - pthread_mutex_unlock(&omap_device->lock); - return omap_device->boostpulse_fd; -} - -static void omap_power_set_interactive(struct power_module *module, int on) { -#if 0 - struct omap_power_module *omap_device = (struct omap_power_module *) module; - - if (!omap_device->inited) - return; - - /* - * Lower maximum frequency when screen is off. CPU 0 and 1 share a - * cpufreq policy. - */ - - sysfs_write(CPUFREQ_CPU0 "scaling_max_freq", on ? max_freq : nom_freq); -#endif -} - -static void omap_power_hint(struct power_module *module, power_hint_t hint, void *data) { - struct omap_power_module *omap_device = (struct omap_power_module *) module; - char buf[80]; - int len; - - if (!omap_device->inited) - return; - - switch (hint) { - case POWER_HINT_INTERACTION: - if (boostpulse_open(omap_device) >= 0) { - len = write(omap_device->boostpulse_fd, "1", 1); - - if (len < 0) { - strerror_r(errno, buf, sizeof(buf)); - ALOGE("Error writing to %s: %s\n", BOOSTPULSE_PATH, buf); - } - } - break; - - case POWER_HINT_VSYNC: - break; - - default: - break; - } -} - -static struct hw_module_methods_t power_module_methods = { - .open = NULL, -}; - -struct omap_power_module HAL_MODULE_INFO_SYM = { - .base = { - .common = { - .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 = "OMAP Power HAL", - .author = "The Android Open Source Project", - .methods = &power_module_methods, - }, - - .init = omap_power_init, - .setInteractive = omap_power_set_interactive, - .powerHint = omap_power_hint, - }, - - .lock = PTHREAD_MUTEX_INITIALIZER, - .boostpulse_fd = -1, - .boostpulse_warned = 0, -}; -- cgit v1.2.3