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authorDavid Ng <dave@codeaurora.org>2018-03-22 23:49:12 -0700
committerDavid Ng <dave@codeaurora.org>2018-05-24 00:32:16 -0700
commitee7c4c58319f0d081f5a684a97faa33b8614206f (patch)
tree347465f294d5df8465f29c5bac9755cc4f3094f3 /power-8996.c
parentdda2692d71cdb4b4bceb93406a6163506becc116 (diff)
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Relocate power HAL from device/qcom/common
Split module from combined device/qcom/common project into its own project. Relocation of some files from device/qcom/common at b5ce80cb1f60759a142a9338104d3adf3303ec0c. Change-Id: I6c13729a822f6fb9b5574b759ae9ec12154be464
Diffstat (limited to 'power-8996.c')
-rw-r--r--power-8996.c179
1 files changed, 179 insertions, 0 deletions
diff --git a/power-8996.c b/power-8996.c
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index 0000000..0b1c362
--- /dev/null
+++ b/power-8996.c
@@ -0,0 +1,179 @@
+/*
+ * Copyright (c) 2015-2016, 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 "QTI 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"
+
+pthread_mutex_t camera_hint_mutex = PTHREAD_MUTEX_INITIALIZER;
+static int display_hint_sent;
+static int camera_hint_ref_count;
+
+static int process_video_encode_hint(void *metadata)
+{
+ char governor[80];
+ struct video_encode_metadata_t video_encode_metadata;
+
+ if (get_scaling_governor(governor, sizeof(governor)) == -1) {
+ ALOGE("Can't obtain scaling governor.");
+
+ return HINT_NONE;
+ }
+
+ /* Initialize encode metadata struct fields */
+ memset(&video_encode_metadata, 0, sizeof(struct video_encode_metadata_t));
+ video_encode_metadata.state = -1;
+ video_encode_metadata.hint_id = DEFAULT_VIDEO_ENCODE_HINT_ID;
+
+ if (metadata) {
+ if (parse_video_encode_metadata((char *)metadata, &video_encode_metadata) ==
+ -1) {
+ ALOGE("Error occurred while parsing metadata.");
+ return HINT_NONE;
+ }
+ } else {
+ return HINT_NONE;
+ }
+
+ if (video_encode_metadata.state == 1) {
+ if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) &&
+ (strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) {
+ /* 1. cpufreq params
+ * -above_hispeed_delay for LVT - 40ms
+ * -go hispeed load for LVT - 95
+ * -hispeed freq for LVT - 556 MHz
+ * -target load for LVT - 90
+ * -above hispeed delay for sLVT - 40ms
+ * -go hispeed load for sLVT - 95
+ * -hispeed freq for sLVT - 806 MHz
+ * -target load for sLVT - 90
+ * 2. bus DCVS set to V2 config:
+ * -low power ceil mpbs - 2500
+ * -low power io percent - 50
+ * 3. hysteresis optimization
+ * -bus dcvs hysteresis tuning
+ * -sample_ms of 10 ms
+ * -sLVT hispeed freq to 806MHz
+ */
+ int resource_values[] = {0x41400000, 0x4, 0x41410000, 0x5F, 0x41414000, 0x326,
+ 0x41420000, 0x5A, 0x41400100, 0x4, 0x41410100, 0x5F, 0x41414100, 0x22C, 0x41420100, 0x5A,
+ 0x41810000, 0x9C4, 0x41814000, 0x32, 0x4180C000, 0x0, 0x41820000, 0xA};
+
+ pthread_mutex_lock(&camera_hint_mutex);
+ camera_hint_ref_count++;
+ if (camera_hint_ref_count == 1) {
+ perform_hint_action(video_encode_metadata.hint_id,
+ resource_values, sizeof(resource_values)/sizeof(resource_values[0]));
+ }
+ pthread_mutex_unlock(&camera_hint_mutex);
+ ALOGI("Video Encode hint start");
+ return HINT_HANDLED;
+ }
+ } else if (video_encode_metadata.state == 0) {
+ if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) &&
+ (strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) {
+ pthread_mutex_lock(&camera_hint_mutex);
+ camera_hint_ref_count--;
+ if (!camera_hint_ref_count) {
+ undo_hint_action(video_encode_metadata.hint_id);
+ }
+ pthread_mutex_unlock(&camera_hint_mutex);
+
+ ALOGI("Video Encode hint stop");
+ return HINT_HANDLED;
+ }
+ }
+ return HINT_NONE;
+}
+
+int power_hint_override(struct power_module *module, power_hint_t hint, void *data)
+{
+ int ret_val = HINT_NONE;
+ switch(hint) {
+ case POWER_HINT_VIDEO_ENCODE:
+ ret_val = process_video_encode_hint(data);
+ break;
+ default:
+ break;
+ }
+ return ret_val;
+}
+
+int set_interactive_override(struct power_module *module, int on)
+{
+ return HINT_HANDLED; /* Don't excecute this code path, not in use */
+ char governor[80];
+
+ if (get_scaling_governor(governor, sizeof(governor)) == -1) {
+ ALOGE("Can't obtain scaling governor.");
+
+ return HINT_NONE;
+ }
+
+ if (!on) {
+ /* Display off */
+ if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) &&
+ (strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) {
+ int resource_values[] = {}; /* dummy node */
+ if (!display_hint_sent) {
+ perform_hint_action(DISPLAY_STATE_HINT_ID,
+ resource_values, sizeof(resource_values)/sizeof(resource_values[0]));
+ display_hint_sent = 1;
+ ALOGI("Display Off hint start");
+ return HINT_HANDLED;
+ }
+ }
+ } else {
+ /* Display on */
+ if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) &&
+ (strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) {
+ undo_hint_action(DISPLAY_STATE_HINT_ID);
+ display_hint_sent = 0;
+ ALOGI("Display Off hint stop");
+ return HINT_HANDLED;
+ }
+ }
+ return HINT_NONE;
+}