potter: back to N power HAL

Change-Id: Ibaf21913ba08750d69479b07a5b31bb31fdb7418

power/power-8084.c

@@ -0,0 +1,165 @@
+/*
+ * Copyright (c) 2014, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * *    * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ *       copyright notice, this list of conditions and the following
+ *       disclaimer in the documentation and/or other materials provided
+ *       with the distribution.
+ *     * Neither the name of The Linux Foundation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#define LOG_NIDEBUG 0
+
+#include <errno.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <dlfcn.h>
+#include <stdlib.h>
+
+#define LOG_TAG "QCOM PowerHAL"
+#include <utils/Log.h>
+#include <hardware/hardware.h>
+#include <hardware/power.h>
+
+#include "utils.h"
+#include "metadata-defs.h"
+#include "hint-data.h"
+#include "performance.h"
+#include "power-common.h"
+
+static int first_display_off_hint;
+
+int get_number_of_profiles() {
+    return 3;
+}
+
+static int current_power_profile = PROFILE_BALANCED;
+
+static void set_power_profile(int profile) {
+
+    if (profile == current_power_profile)
+        return;
+
+    ALOGV("%s: profile=%d", __func__, profile);
+
+    if (current_power_profile != PROFILE_BALANCED) {
+        undo_hint_action(DEFAULT_PROFILE_HINT_ID);
+        ALOGV("%s: hint undone", __func__);
+    }
+
+    if (profile == PROFILE_HIGH_PERFORMANCE) {
+        int resource_values[] = { CPUS_ONLINE_MIN_4,
+            CPU0_MIN_FREQ_TURBO_MAX, CPU1_MIN_FREQ_TURBO_MAX,
+            CPU2_MIN_FREQ_TURBO_MAX, CPU3_MIN_FREQ_TURBO_MAX };
+        perform_hint_action(DEFAULT_PROFILE_HINT_ID,
+            resource_values, ARRAY_SIZE(resource_values));
+        ALOGD("%s: set performance mode", __func__);
+
+    } else if (profile == PROFILE_POWER_SAVE) {
+        int resource_values[] = { CPUS_ONLINE_MAX_LIMIT_2,
+            CPU0_MAX_FREQ_NONTURBO_MAX, CPU1_MAX_FREQ_NONTURBO_MAX,
+            CPU2_MAX_FREQ_NONTURBO_MAX, CPU3_MAX_FREQ_NONTURBO_MAX };
+        perform_hint_action(DEFAULT_PROFILE_HINT_ID,
+            resource_values, ARRAY_SIZE(resource_values));
+        ALOGD("%s: set powersave", __func__);
+    }
+
+    current_power_profile = profile;
+}
+
+extern void interaction(int duration, int num_args, int opt_list[]);
+
+int power_hint_override(__attribute__((unused)) struct power_module *module,
+        power_hint_t hint, void *data)
+{
+	if (hint == POWER_HINT_SET_PROFILE) {
+		set_power_profile(*(int32_t *)data);
+		return HINT_HANDLED;
+	}
+
+	// Skip other hints in custom power modes
+	if (current_power_profile != PROFILE_BALANCED) {
+		return HINT_HANDLED;
+	}
+
+	if (hint == POWER_HINT_CPU_BOOST) {
+        int duration = *(int32_t *)data / 1000;
+        int resources[] = { CPUS_ONLINE_MIN_2, 0x20B, 0x30B, 0x1C00};
+
+        if (duration > 0)
+            interaction(duration, ARRAY_SIZE(resources), resources);
+
+        return HINT_HANDLED;
+	}
+
+	return HINT_NONE;
+}
+
+int set_interactive_override(struct power_module *module, int on)
+{
+    char governor[80];
+
+    if (get_scaling_governor(governor, sizeof(governor)) == -1) {
+        ALOGE("Can't obtain scaling governor.");
+
+        return HINT_NONE;
+    }
+
+    if (!on) {
+        /* Display off. */
+        /*
+         * We need to be able to identify the first display off hint
+         * and release the current lock holder
+         */
+        if (!first_display_off_hint) {
+            undo_initial_hint_action();
+            first_display_off_hint = 1;
+        }
+        /* Used for all subsequent toggles to the display */
+        undo_hint_action(DISPLAY_STATE_HINT_ID_2);
+
+        if ((strncmp(governor, ONDEMAND_GOVERNOR, strlen(ONDEMAND_GOVERNOR)) == 0) &&
+                (strlen(governor) == strlen(ONDEMAND_GOVERNOR))) {
+            int resource_values[] = {MS_500, SYNC_FREQ_600, OPTIMAL_FREQ_600, THREAD_MIGRATION_SYNC_OFF};
+
+            perform_hint_action(DISPLAY_STATE_HINT_ID,
+                    resource_values, ARRAY_SIZE(resource_values));
+
+            return HINT_HANDLED;
+        }
+    } else {
+        /* Display on */
+        int resource_values2[] = { CPUS_ONLINE_MIN_2 };
+        perform_hint_action(DISPLAY_STATE_HINT_ID_2,
+                resource_values2, ARRAY_SIZE(resource_values2));
+
+        if ((strncmp(governor, ONDEMAND_GOVERNOR, strlen(ONDEMAND_GOVERNOR)) == 0) &&
+                (strlen(governor) == strlen(ONDEMAND_GOVERNOR))) {
+            undo_hint_action(DISPLAY_STATE_HINT_ID);
+
+            return HINT_HANDLED;
+        }
+    }
+
+    return HINT_NONE;
+}