diff options
Diffstat (limited to 'power-8916.c')
| -rw-r--r-- | power-8916.c | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/power-8916.c b/power-8916.c new file mode 100644 index 0000000..4c50972 --- /dev/null +++ b/power-8916.c @@ -0,0 +1,205 @@ +/* + * Copyright (c) 2015, 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 <log/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" + +#define MIN_FREQ_CPU0_DISP_OFF 400000 +#define MIN_FREQ_CPU0_DISP_ON 960000 + +static int saved_dcvs_cpu0_slack_max = -1; +static int saved_dcvs_cpu0_slack_min = -1; +static int saved_mpdecision_slack_max = -1; +static int saved_mpdecision_slack_min = -1; +static int saved_interactive_mode = -1; +static int slack_node_rw_failed = 0; +static int display_hint_sent; +int display_boost; + +static int is_target_8916() /* Returns value=8916 if target is 8916 else value 0 */ +{ + int fd; + int is_target_8916=0; + char buf[10] = {0}; + + fd = open("/sys/devices/soc0/soc_id", O_RDONLY); + if (fd >= 0) { + if (read(fd, buf, sizeof(buf) - 1) == -1) { + ALOGW("Unable to read soc_id"); + is_target_8916 = 0; + } else { + int soc_id = atoi(buf); + if (soc_id == 206 || (soc_id >= 247 && soc_id <= 250)) { + is_target_8916 = 8916; /* Above SOCID for 8916 */ + } + } + } + close(fd); + return is_target_8916; +} + +int power_hint_override(struct power_module *module, power_hint_t hint, + void *data) +{ + + switch(hint) { + case POWER_HINT_VSYNC: + break; + case POWER_HINT_INTERACTION: + { + int resources[] = {0x702, 0x20F, 0x30F}; + int duration = 3000; + + interaction(duration, sizeof(resources)/sizeof(resources[0]), resources); + } + return HINT_HANDLED; + case POWER_HINT_VIDEO_ENCODE: /* Do nothing for encode case */ + return HINT_HANDLED; + case POWER_HINT_VIDEO_DECODE: /*Do nothing for encode case */ + return HINT_HANDLED; + } +return HINT_NONE; +} + +int set_interactive_override(struct power_module *module, int on) +{ + char governor[80]; + char tmp_str[NODE_MAX]; + struct video_encode_metadata_t video_encode_metadata; + int rc; + + ALOGI("Got set_interactive hint"); + + if (get_scaling_governor(governor, sizeof(governor)) == -1) { + ALOGE("Can't obtain scaling governor."); + + return HINT_HANDLED; + } + + if (!on) { + /* Display off. */ + switch(is_target_8916()) { + + case 8916: + { + if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) && + (strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) { + int resource_values[] = {TR_MS_50, THREAD_MIGRATION_SYNC_OFF}; + + if (!display_hint_sent) { + perform_hint_action(DISPLAY_STATE_HINT_ID, + resource_values, sizeof(resource_values)/sizeof(resource_values[0])); + display_hint_sent = 1; + } + } /* Perf time rate set for 8916 target*/ + } /* End of Switch case for 8916 */ + break ; + + default: + { + if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) && + (strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) { + int resource_values[] = {TR_MS_CPU0_50,TR_MS_CPU4_50, THREAD_MIGRATION_SYNC_OFF}; + + /* Set CPU0 MIN FREQ to 400Mhz avoid extra peak power + impact in volume key press */ + snprintf(tmp_str, NODE_MAX, "%d", MIN_FREQ_CPU0_DISP_OFF); + if (sysfs_write(SCALING_MIN_FREQ, tmp_str) != 0) { + if(!slack_node_rw_failed) { + ALOGE("Failed to write to %s",SCALING_MIN_FREQ ); + } + rc = 1; + } + + if (!display_hint_sent) { + perform_hint_action(DISPLAY_STATE_HINT_ID, + resource_values, sizeof(resource_values)/sizeof(resource_values[0])); + display_hint_sent = 1; + } + } /* Perf time rate set for CORE0,CORE4 8939 target*/ + }/* End of Switch case for 8939 */ + break ; + } + + } else { + /* Display on. */ + switch(is_target_8916()){ + case 8916: + { + 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; + } + } + break ; + default : + { + + if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) && + (strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) { + + /* Recovering MIN_FREQ in display ON case */ + snprintf(tmp_str, NODE_MAX, "%d", MIN_FREQ_CPU0_DISP_ON); + if (sysfs_write(SCALING_MIN_FREQ, tmp_str) != 0) { + if(!slack_node_rw_failed) { + ALOGE("Failed to write to %s",SCALING_MIN_FREQ ); + } + rc = 1; + } + undo_hint_action(DISPLAY_STATE_HINT_ID); + display_hint_sent = 0; + } + + } + break ; + } /* End of check condition during the DISPLAY ON case */ + } + saved_interactive_mode = !!on; + return HINT_HANDLED; +} + |