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Diffstat (limited to 'power-8996.c')
| -rw-r--r-- | power-8996.c | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/power-8996.c b/power-8996.c new file mode 100644 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; +} |