diff options
Diffstat (limited to 'drivers/cpufreq/freq_table.c')
| -rw-r--r-- | drivers/cpufreq/freq_table.c | 78 |
1 files changed, 71 insertions, 7 deletions
diff --git a/drivers/cpufreq/freq_table.c b/drivers/cpufreq/freq_table.c index 3458d27f63b..8e54f97899b 100644 --- a/drivers/cpufreq/freq_table.c +++ b/drivers/cpufreq/freq_table.c @@ -32,6 +32,10 @@ int cpufreq_frequency_table_cpuinfo(struct cpufreq_policy *policy, continue; } + if (!cpufreq_boost_enabled() + && table[i].driver_data == CPUFREQ_BOOST_FREQ) + continue; + pr_debug("table entry %u: %u kHz, %u driver_data\n", i, freq, table[i].driver_data); if (freq < min_freq) @@ -178,11 +182,34 @@ int cpufreq_frequency_table_target(struct cpufreq_policy *policy, } EXPORT_SYMBOL_GPL(cpufreq_frequency_table_target); +int cpufreq_frequency_table_get_index(struct cpufreq_policy *policy, + unsigned int freq) +{ + struct cpufreq_frequency_table *table; + int i; + + table = cpufreq_frequency_get_table(policy->cpu); + if (unlikely(!table)) { + pr_debug("%s: Unable to find frequency table\n", __func__); + return -ENOENT; + } + + for (i = 0; table[i].frequency != CPUFREQ_TABLE_END; i++) { + if (table[i].frequency == freq) + return i; + } + + return -EINVAL; +} +EXPORT_SYMBOL_GPL(cpufreq_frequency_table_get_index); + static DEFINE_PER_CPU(struct cpufreq_frequency_table *, cpufreq_show_table); + /** * show_available_freqs - show available frequencies for the specified CPU */ -static ssize_t show_available_freqs(struct cpufreq_policy *policy, char *buf) +static ssize_t show_available_freqs(struct cpufreq_policy *policy, char *buf, + bool show_boost) { unsigned int i = 0; unsigned int cpu = policy->cpu; @@ -197,6 +224,20 @@ static ssize_t show_available_freqs(struct cpufreq_policy *policy, char *buf) for (i = 0; (table[i].frequency != CPUFREQ_TABLE_END); i++) { if (table[i].frequency == CPUFREQ_ENTRY_INVALID) continue; + /* + * show_boost = true and driver_data = BOOST freq + * display BOOST freqs + * + * show_boost = false and driver_data = BOOST freq + * show_boost = true and driver_data != BOOST freq + * continue - do not display anything + * + * show_boost = false and driver_data != BOOST freq + * display NON BOOST freqs + */ + if (show_boost ^ (table[i].driver_data == CPUFREQ_BOOST_FREQ)) + continue; + count += sprintf(&buf[count], "%d ", table[i].frequency); } count += sprintf(&buf[count], "\n"); @@ -205,16 +246,39 @@ static ssize_t show_available_freqs(struct cpufreq_policy *policy, char *buf) } -struct freq_attr cpufreq_freq_attr_scaling_available_freqs = { - .attr = { .name = "scaling_available_frequencies", - .mode = 0444, - }, - .show = show_available_freqs, -}; +#define cpufreq_attr_available_freq(_name) \ +struct freq_attr cpufreq_freq_attr_##_name##_freqs = \ +__ATTR_RO(_name##_frequencies) + +/** + * show_scaling_available_frequencies - show available normal frequencies for + * the specified CPU + */ +static ssize_t scaling_available_frequencies_show(struct cpufreq_policy *policy, + char *buf) +{ + return show_available_freqs(policy, buf, false); +} +cpufreq_attr_available_freq(scaling_available); EXPORT_SYMBOL_GPL(cpufreq_freq_attr_scaling_available_freqs); +/** + * show_available_boost_freqs - show available boost frequencies for + * the specified CPU + */ +static ssize_t scaling_boost_frequencies_show(struct cpufreq_policy *policy, + char *buf) +{ + return show_available_freqs(policy, buf, true); +} +cpufreq_attr_available_freq(scaling_boost); +EXPORT_SYMBOL_GPL(cpufreq_freq_attr_scaling_boost_freqs); + struct freq_attr *cpufreq_generic_attr[] = { &cpufreq_freq_attr_scaling_available_freqs, +#ifdef CONFIG_CPU_FREQ_BOOST_SW + &cpufreq_freq_attr_scaling_boost_freqs, +#endif NULL, }; EXPORT_SYMBOL_GPL(cpufreq_generic_attr); |