added piranha power hal

Change-Id: Id372687a4c9965cf86b9c2afb4566603a1a215ee

4 files changed, 238 insertions, 49 deletions

diff --git a/p3100.mk b/p3100.mk
index b88ff91..10d20db 100644
--- a/p3100.mk
+++ b/p3100.mk
@@ -22,17 +22,17 @@ DEVICE_PACKAGE_OVERLAYS += $(LOCAL_PATH)/overlay
 
 # Audio
 PRODUCT_COPY_FILES += \
-	$(LOCAL_PATH)/configs/tiny_hw.xml:system/etc/sound/espressorf \
-	$(LOCAL_PATH)/configs/audio_policy.conf:system/etc/audio_policy.conf
+    $(LOCAL_PATH)/configs/tiny_hw.xml:system/etc/sound/espressorf \
+    $(LOCAL_PATH)/configs/audio_policy.conf:system/etc/audio_policy.conf
 
 # Packages
 PRODUCT_PACKAGES += \
-	SamsungServiceMode
+    SamsungServiceMode
 
 # RIL
 PRODUCT_PROPERTY_OVERRIDES += \
-	ro.telephony.ril_class=Smdk4210RIL \
-	mobiledata.interfaces=pdp0,wlan0,gprs,ppp0
+    ro.telephony.ril_class=Smdk4210RIL \
+    mobiledata.interfaces=pdp0,wlan0,gprs,ppp0
 
 # These are the hardware-specific features
 PRODUCT_COPY_FILES += \
diff --git a/p31xx-common.mk b/p31xx-common.mk
index 3cca000..9c176b0 100755
--- a/p31xx-common.mk
+++ b/p31xx-common.mk
@@ -30,73 +30,74 @@ PRODUCT_LOCALES += hdpi
 
 # Init files
 PRODUCT_COPY_FILES := \
-	$(LOCAL_PATH)/init.espresso.usb.rc:root/init.espresso.usb.rc \
-	$(LOCAL_PATH)/init.espresso.rc:root/init.espresso.rc \
-	$(LOCAL_PATH)/ueventd.espresso.rc:root/ueventd.espresso.rc
+    $(LOCAL_PATH)/init.espresso.usb.rc:root/init.espresso.usb.rc \
+    $(LOCAL_PATH)/init.espresso.rc:root/init.espresso.rc \
+    $(LOCAL_PATH)/ueventd.espresso.rc:root/ueventd.espresso.rc
 
 # Vold
 PRODUCT_COPY_FILES += \
-	$(LOCAL_PATH)/configs/vold.fstab:system/etc/vold.fstab
+    $(LOCAL_PATH)/configs/vold.fstab:system/etc/vold.fstab
 
 # GPS
 PRODUCT_COPY_FILES += \
-	$(LOCAL_PATH)/configs/gps.conf:system/etc/gps.conf \
-	$(LOCAL_PATH)/configs/gps.xml:system/etc/gps.xml
+    $(LOCAL_PATH)/configs/gps.conf:system/etc/gps.conf \
+    $(LOCAL_PATH)/configs/gps.xml:system/etc/gps.xml
 
 # Wifi
 PRODUCT_COPY_FILES += \
-	$(LOCAL_PATH)/configs/wpa_supplicant.conf:system/etc/wifi/wpa_supplicant.conf
+    $(LOCAL_PATH)/configs/wpa_supplicant.conf:system/etc/wifi/wpa_supplicant.conf
 
 PRODUCT_PROPERTY_OVERRIDES += \
-	wifi.interface=wlan0 \
-	wifi.supplicant_scan_interval=15
+    wifi.interface=wlan0 \
+    wifi.supplicant_scan_interval=15
 
 # Media profiles
 PRODUCT_COPY_FILES += \
-	$(LOCAL_PATH)/configs/media_codecs.xml:system/etc/media_codecs.xml \
-	$(LOCAL_PATH)/configs/media_profiles.xml:system/etc/media_profiles.xml
+    $(LOCAL_PATH)/configs/media_codecs.xml:system/etc/media_codecs.xml \
+    $(LOCAL_PATH)/configs/media_profiles.xml:system/etc/media_profiles.xml
 
 # Keylayout
 PRODUCT_COPY_FILES += \
-	$(LOCAL_PATH)/usr/keychars/espresso-gpio-keypad.kcm:system/usr/keychars/espresso-gpio-keypad.kcm \
-	$(LOCAL_PATH)/usr/keychars/Generic.kcm:system/usr/keychars/Generic.kcm \
-	$(LOCAL_PATH)/usr/keychars/qwerty.kcm:system/usr/keychars/qwerty.kcm \
-	$(LOCAL_PATH)/usr/keychars/qwerty2.kcm:system/usr/keychars/qwerty2.kcm \
-	$(LOCAL_PATH)/usr/keychars/Virtual.kcm:system/usr/keychars/Virtual.kcm \
-	$(LOCAL_PATH)/usr/keylayout/AVRCP.kl:system/usr/keylayout/AVRCP.kl \
-	$(LOCAL_PATH)/usr/keylayout/espresso-gpio-keypad.kl:system/usr/keylayout/espresso-gpio-keypad.kl \
-	$(LOCAL_PATH)/usr/keylayout/Generic.kl:system/usr/keylayout/Generic.kl \
-	$(LOCAL_PATH)/usr/keylayout/qwerty.kl:system/usr/keylayout/qwerty.kl \
-	$(LOCAL_PATH)/usr/keylayout/sec_keyboard.kl:system/usr/keylayout/sec_keyboard.kl \
-	$(LOCAL_PATH)/usr/keylayout/Vendor_04e8_Product_7021.kl:system/usr/keylayout/Vendor_04e8_Product_7021.kl \
-	$(LOCAL_PATH)/usr/keylayout/Vendor_05ac_Product_0239.kl:system/usr/keylayout/Vendor_05ac_Product_0239.kl \
-	$(LOCAL_PATH)/usr/keylayout/Vendor_22b8_Product_093d.kl:system/usr/keylayout/Vendor_22b8_Product_093d.kl \
-	$(LOCAL_PATH)/usr/keylayout/Vendor_045e_Product_028e.kl:system/usr/keylayout/Vendor_045e_Product_028e.kl \
-	$(LOCAL_PATH)/usr/keylayout/Vendor_046d_Product_c216.kl:system/usr/keylayout/Vendor_046d_Product_c216.kl \
-	$(LOCAL_PATH)/usr/keylayout/Vendor_046d_Product_c294.kl:system/usr/keylayout/Vendor_046d_Product_c294.kl \
-	$(LOCAL_PATH)/usr/keylayout/Vendor_046d_Product_c299.kl:system/usr/keylayout/Vendor_046d_Product_c299.kl \
-	$(LOCAL_PATH)/usr/keylayout/Vendor_046d_Product_c532.kl:system/usr/keylayout/Vendor_046d_Product_c532.kl \
-	$(LOCAL_PATH)/usr/keylayout/Vendor_054c_Product_0268.kl:system/usr/keylayout/Vendor_054c_Product_0268.kl
+    $(LOCAL_PATH)/usr/keychars/espresso-gpio-keypad.kcm:system/usr/keychars/espresso-gpio-keypad.kcm \
+    $(LOCAL_PATH)/usr/keychars/Generic.kcm:system/usr/keychars/Generic.kcm \
+    $(LOCAL_PATH)/usr/keychars/qwerty.kcm:system/usr/keychars/qwerty.kcm \
+    $(LOCAL_PATH)/usr/keychars/qwerty2.kcm:system/usr/keychars/qwerty2.kcm \
+    $(LOCAL_PATH)/usr/keychars/Virtual.kcm:system/usr/keychars/Virtual.kcm \
+    $(LOCAL_PATH)/usr/keylayout/AVRCP.kl:system/usr/keylayout/AVRCP.kl \
+    $(LOCAL_PATH)/usr/keylayout/espresso-gpio-keypad.kl:system/usr/keylayout/espresso-gpio-keypad.kl \
+    $(LOCAL_PATH)/usr/keylayout/Generic.kl:system/usr/keylayout/Generic.kl \
+    $(LOCAL_PATH)/usr/keylayout/qwerty.kl:system/usr/keylayout/qwerty.kl \
+    $(LOCAL_PATH)/usr/keylayout/sec_keyboard.kl:system/usr/keylayout/sec_keyboard.kl \
+    $(LOCAL_PATH)/usr/keylayout/Vendor_04e8_Product_7021.kl:system/usr/keylayout/Vendor_04e8_Product_7021.kl \
+    $(LOCAL_PATH)/usr/keylayout/Vendor_05ac_Product_0239.kl:system/usr/keylayout/Vendor_05ac_Product_0239.kl \
+    $(LOCAL_PATH)/usr/keylayout/Vendor_22b8_Product_093d.kl:system/usr/keylayout/Vendor_22b8_Product_093d.kl \
+    $(LOCAL_PATH)/usr/keylayout/Vendor_045e_Product_028e.kl:system/usr/keylayout/Vendor_045e_Product_028e.kl \
+    $(LOCAL_PATH)/usr/keylayout/Vendor_046d_Product_c216.kl:system/usr/keylayout/Vendor_046d_Product_c216.kl \
+    $(LOCAL_PATH)/usr/keylayout/Vendor_046d_Product_c294.kl:system/usr/keylayout/Vendor_046d_Product_c294.kl \
+    $(LOCAL_PATH)/usr/keylayout/Vendor_046d_Product_c299.kl:system/usr/keylayout/Vendor_046d_Product_c299.kl \
+    $(LOCAL_PATH)/usr/keylayout/Vendor_046d_Product_c532.kl:system/usr/keylayout/Vendor_046d_Product_c532.kl \
+    $(LOCAL_PATH)/usr/keylayout/Vendor_054c_Product_0268.kl:system/usr/keylayout/Vendor_054c_Product_0268.kl
 
 # Packages
 PRODUCT_PACKAGES += \
     audio.a2dp.default \
     audio.primary.piranha \
     audio.usb.default \
-	lights.piranha \
-	libtinyalsa \
-	libaudioutils \
-	libinvensense_mpl \
-	hwcomposer.omap4 \
-	smc_pa_ctrl \
-	tf_daemon \
-	tinymix
+    hwcomposer.omap4 \
+    lights.piranha \
+    libtinyalsa \
+    libaudioutils \
+    libinvensense_mpl \
+    power.piranha \
+    smc_pa_ctrl \
+    tf_daemon \
+    tinymix
 
 # Filesystem management tools
 PRODUCT_PACKAGES += \
-	static_busybox \
-	make_ext4fs \
-	setup_fs
+    static_busybox \
+    make_ext4fs \
+    setup_fs
 
 # Charger
 PRODUCT_PACKAGES += \
@@ -133,14 +134,14 @@ PRODUCT_PACKAGES += \
 
 # Feature live wallpaper
 PRODUCT_COPY_FILES += \
-	packages/wallpapers/LivePicker/android.software.live_wallpaper.xml:system/etc/permissions/android.software.live_wallpaper.xml
+    packages/wallpapers/LivePicker/android.software.live_wallpaper.xml:system/etc/permissions/android.software.live_wallpaper.xml
 
 PRODUCT_PROPERTY_OVERRIDES += \
-	ro.opengles.version=131072
+    ro.opengles.version=131072
 
 # Set default USB interface
 PRODUCT_DEFAULT_PROPERTY_OVERRIDES += \
-	persist.sys.usb.config=mtp
+    persist.sys.usb.config=mtp
 
 PRODUCT_TAGS += dalvik.gc.type-precise
 
diff --git a/power/Android.mk b/power/Android.mk
new file mode 100644
index 0000000..b7ad50f
--- /dev/null
+++ b/power/Android.mk
@@ -0,0 +1,27 @@
+# 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.
+
+
+LOCAL_PATH := $(call my-dir)
+
+# HAL module implemenation stored in
+# hw/<POWERS_HARDWARE_MODULE_ID>.<ro.hardware>.so
+include $(CLEAR_VARS)
+
+LOCAL_MODULE_PATH := $(TARGET_OUT_SHARED_LIBRARIES)/hw
+LOCAL_SHARED_LIBRARIES := liblog libcutils
+LOCAL_SRC_FILES := power_piranha.c
+LOCAL_MODULE := power.piranha
+LOCAL_MODULE_TAGS := optional
+include $(BUILD_SHARED_LIBRARY)
diff --git a/power/power_piranha.c b/power/power_piranha.c
new file mode 100644
index 0000000..0f0d7ef
--- /dev/null
+++ b/power/power_piranha.c
@@ -0,0 +1,161 @@
+/*
+ * 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 <errno.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#define LOG_TAG "Piranha PowerHAL"
+#include <utils/Log.h>
+
+#include <hardware/hardware.h>
+#include <hardware/power.h>
+
+#define BOOSTPULSE_PATH "/sys/devices/system/cpu/cpufreq/interactive/boostpulse"
+
+struct piranha_power_module {
+    struct power_module base;
+    pthread_mutex_t lock;
+    int boostpulse_fd;
+    int boostpulse_warned;
+};
+
+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 void piranha_power_init(struct power_module *module)
+{
+    /*
+     * cpufreq interactive governor: timer 20ms, min sample 60ms,
+     * hispeed 700MHz at load 50%.
+     */
+
+    sysfs_write("/sys/devices/system/cpu/cpufreq/interactive/timer_rate",
+                "20000");
+    sysfs_write("/sys/devices/system/cpu/cpufreq/interactive/min_sample_time",
+                "60000");
+    sysfs_write("/sys/devices/system/cpu/cpufreq/interactive/hispeed_freq",
+                "700000");
+    sysfs_write("/sys/devices/system/cpu/cpufreq/interactive/go_hispeed_load",
+                "50");
+    sysfs_write("/sys/devices/system/cpu/cpufreq/interactive/above_hispeed_delay",
+                "100000");
+}
+
+static int boostpulse_open(struct piranha_power_module *piranha)
+{
+    char buf[80];
+
+    pthread_mutex_lock(&piranha->lock);
+
+    if (piranha->boostpulse_fd < 0) {
+        piranha->boostpulse_fd = open(BOOSTPULSE_PATH, O_WRONLY);
+
+        if (piranha->boostpulse_fd < 0) {
+            if (!piranha->boostpulse_warned) {
+                strerror_r(errno, buf, sizeof(buf));
+                ALOGE("Error opening %s: %s\n", BOOSTPULSE_PATH, buf);
+                piranha->boostpulse_warned = 1;
+            }
+        }
+    }
+
+    pthread_mutex_unlock(&piranha->lock);
+    return piranha->boostpulse_fd;
+}
+
+static void piranha_power_set_interactive(struct power_module *module, int on)
+{
+    /*
+     * Lower maximum frequency when screen is off.  CPU 0 and 1 share a
+     * cpufreq policy.
+     */
+
+    sysfs_write("/sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq",
+                on ? "1200000" : "700000");
+}
+
+static void piranha_power_hint(struct power_module *module, power_hint_t hint,
+                            void *data)
+{
+    struct piranha_power_module *piranha = (struct piranha_power_module *) module;
+    char buf[80];
+    int len;
+
+    switch (hint) {
+    case POWER_HINT_INTERACTION:
+        if (boostpulse_open(piranha) >= 0) {
+	    len = write(piranha->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 piranha_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: "Piranha Power HAL",
+            author: "The Android Open Source Project",
+            methods: &power_module_methods,
+        },
+
+       init: piranha_power_init,
+       setInteractive: piranha_power_set_interactive,
+       powerHint: piranha_power_hint,
+    },
+
+    lock: PTHREAD_MUTEX_INITIALIZER,
+    boostpulse_fd: -1,
+    boostpulse_warned: 0,
+};