diff options
Diffstat (limited to 'power/power_flo.c')
| -rw-r--r-- | power/power_flo.c | 98 |
1 files changed, 77 insertions, 21 deletions
diff --git a/power/power_flo.c b/power/power_flo.c index 654bfb5..d9f6360 100644 --- a/power/power_flo.c +++ b/power/power_flo.c @@ -40,9 +40,10 @@ #define MAX_LENGTH 50 #define BOOST_SOCKET "/dev/socket/pb" -#define LOW_POWER_MAX_FREQ 1026000 -#define LOW_POWER_MIN_FREQ 384000 +#define POWERSAVE_MAX_FREQ 1026000 +#define BIAS_POWER_MAX_FREQ 1134000 #define NORMAL_MAX_FREQ 1512000 +#define NORMAL_MIN_FREQ 384000 #define MAX_FREQ_LIMIT_PATH "/sys/kernel/cpufreq_limit/limited_max_freq" #define MIN_FREQ_LIMIT_PATH "/sys/kernel/cpufreq_limit/limited_min_freq" @@ -51,8 +52,18 @@ static int client_sockfd; static struct sockaddr_un client_addr; static int last_state = -1; -static bool low_power_mode = false; -static pthread_mutex_t low_power_mode_lock = PTHREAD_MUTEX_INITIALIZER; +static pthread_mutex_t profile_lock = PTHREAD_MUTEX_INITIALIZER; + +enum { + PROFILE_POWER_SAVE = 0, + PROFILE_BALANCED, + PROFILE_HIGH_PERFORMANCE, + PROFILE_BIAS_POWER, + PROFILE_BIAS_PERFORMANCE, + PROFILE_MAX +}; + +static int current_power_profile = PROFILE_BALANCED; static void socket_init() { @@ -91,6 +102,13 @@ static int sysfs_write(const char *path, char *s) return 0; } +static int sysfs_write_int(char *path, int value) +{ + char buf[80]; + snprintf(buf, 80, "%d", value); + return sysfs_write(path, buf); +} + static void power_init(__attribute__((unused)) struct power_module *module) { ALOGI("%s", __func__); @@ -177,7 +195,6 @@ static void process_video_encode_hint(void *metadata) } } - static void touch_boost() { int rc; @@ -215,10 +232,52 @@ static void power_set_interactive(__attribute__((unused)) struct power_module *m } } +static void set_power_profile(int profile) { + int min_freq, max_freq; + + ALOGV("%s: profile=%d", __func__, profile); + + if (profile == PROFILE_BALANCED) { + min_freq = NORMAL_MIN_FREQ; + max_freq = NORMAL_MAX_FREQ; + ALOGD("%s: set balanced mode", __func__); + } else if (profile == PROFILE_HIGH_PERFORMANCE) { + min_freq = NORMAL_MAX_FREQ; + max_freq = NORMAL_MAX_FREQ; + ALOGD("%s: set performance mode", __func__); + } else if (profile == PROFILE_BIAS_PERFORMANCE) { + min_freq = BIAS_POWER_MAX_FREQ; + max_freq = NORMAL_MAX_FREQ; + ALOGD("%s: set bias perf mode", __func__); + } else if (profile == PROFILE_BIAS_POWER) { + min_freq = NORMAL_MIN_FREQ; + max_freq = BIAS_POWER_MAX_FREQ; + ALOGD("%s: set bias power mode", __func__); + } else if (profile == PROFILE_POWER_SAVE) { + min_freq = NORMAL_MIN_FREQ; + max_freq = POWERSAVE_MAX_FREQ; + ALOGD("%s: set powersave mode", __func__); + } + + sysfs_write_int(MIN_FREQ_LIMIT_PATH, min_freq); + sysfs_write_int(MAX_FREQ_LIMIT_PATH, max_freq); + + current_power_profile = profile; +} + static void power_hint( __attribute__((unused)) struct power_module *module, - power_hint_t hint, __attribute__((unused)) void *data) + power_hint_t hint, void *data) { - int cpu, ret; + if (hint == POWER_HINT_SET_PROFILE) { + pthread_mutex_lock(&profile_lock); + set_power_profile(*(int32_t *)data); + pthread_mutex_unlock(&profile_lock); + return; + } + + // Skip other hints in powersave mode + if (current_power_profile == PROFILE_POWER_SAVE) + return; switch (hint) { case POWER_HINT_LAUNCH_BOOST: @@ -229,19 +288,6 @@ static void power_hint( __attribute__((unused)) struct power_module *module, case POWER_HINT_VIDEO_ENCODE: process_video_encode_hint(data); break; - - case POWER_HINT_LOW_POWER: - pthread_mutex_lock(&low_power_mode_lock); - if (data) { - low_power_mode = true; - sysfs_write(MIN_FREQ_LIMIT_PATH, LOW_POWER_MIN_FREQ); - sysfs_write(MAX_FREQ_LIMIT_PATH, LOW_POWER_MAX_FREQ); - } else { - low_power_mode = false; - sysfs_write(MAX_FREQ_LIMIT_PATH, NORMAL_MAX_FREQ); - } - pthread_mutex_unlock(&low_power_mode_lock); - break; default: break; } @@ -251,6 +297,15 @@ static struct hw_module_methods_t power_module_methods = { .open = NULL, }; +static int get_feature(__attribute__((unused)) struct power_module *module, + feature_t feature) +{ + if (feature == POWER_FEATURE_SUPPORTED_PROFILES) + return PROFILE_MAX; + + return -1; +} + struct power_module HAL_MODULE_INFO_SYM = { .common = { .tag = HARDWARE_MODULE_TAG, @@ -258,11 +313,12 @@ struct power_module HAL_MODULE_INFO_SYM = { .hal_api_version = HARDWARE_HAL_API_VERSION, .id = POWER_HARDWARE_MODULE_ID, .name = "Flo/Deb Power HAL", - .author = "The Android Open Source Project", + .author = "The CyanogenMod Project", .methods = &power_module_methods, }, .init = power_init, .setInteractive = power_set_interactive, .powerHint = power_hint, + .getFeature = get_feature }; |