Lines Matching +full:max +full:- +full:frequency
1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2002 - 2003 Dominik Brodowski
14 * FREQUENCY TABLE HELPERS *
19 struct cpufreq_frequency_table *pos, *table = policy->freq_table; in policy_has_boost_freq()
25 if (pos->flags & CPUFREQ_BOOST_FREQ) in policy_has_boost_freq()
41 freq = pos->frequency; in cpufreq_frequency_table_cpuinfo()
44 && (pos->flags & CPUFREQ_BOOST_FREQ)) in cpufreq_frequency_table_cpuinfo()
47 pr_debug("table entry %u: %u kHz\n", (int)(pos - table), freq); in cpufreq_frequency_table_cpuinfo()
54 policy->min = policy->cpuinfo.min_freq = min_freq; in cpufreq_frequency_table_cpuinfo()
55 policy->max = policy->cpuinfo.max_freq = max_freq; in cpufreq_frequency_table_cpuinfo()
57 if (policy->min == ~0) in cpufreq_frequency_table_cpuinfo()
58 return -EINVAL; in cpufreq_frequency_table_cpuinfo()
70 pr_debug("request for verification of policy (%u - %u kHz) for cpu %u\n", in cpufreq_frequency_table_verify()
71 policy->min, policy->max, policy->cpu); in cpufreq_frequency_table_verify()
76 freq = pos->frequency; in cpufreq_frequency_table_verify()
78 if ((freq >= policy->min) && (freq <= policy->max)) { in cpufreq_frequency_table_verify()
83 if ((next_larger > freq) && (freq > policy->max)) in cpufreq_frequency_table_verify()
88 policy->max = next_larger; in cpufreq_frequency_table_verify()
92 pr_debug("verification lead to (%u - %u kHz) for cpu %u\n", in cpufreq_frequency_table_verify()
93 policy->min, policy->max, policy->cpu); in cpufreq_frequency_table_verify()
100 * Generic routine to verify policy & frequency table, requires driver to set
101 * policy->freq_table prior to it.
105 if (!policy->freq_table) in cpufreq_generic_frequency_table_verify()
106 return -ENODEV; in cpufreq_generic_frequency_table_verify()
108 return cpufreq_frequency_table_verify(policy, policy->freq_table); in cpufreq_generic_frequency_table_verify()
118 .frequency = 0, in cpufreq_table_index_unsorted()
122 .frequency = 0, in cpufreq_table_index_unsorted()
125 struct cpufreq_frequency_table *table = policy->freq_table; in cpufreq_table_index_unsorted()
130 target_freq, relation, policy->cpu); in cpufreq_table_index_unsorted()
134 suboptimal.frequency = ~0; in cpufreq_table_index_unsorted()
138 optimal.frequency = ~0; in cpufreq_table_index_unsorted()
143 freq = pos->frequency; in cpufreq_table_index_unsorted()
145 if ((freq < policy->min) || (freq > policy->max)) in cpufreq_table_index_unsorted()
154 if (freq >= optimal.frequency) { in cpufreq_table_index_unsorted()
155 optimal.frequency = freq; in cpufreq_table_index_unsorted()
159 if (freq <= suboptimal.frequency) { in cpufreq_table_index_unsorted()
160 suboptimal.frequency = freq; in cpufreq_table_index_unsorted()
167 if (freq <= optimal.frequency) { in cpufreq_table_index_unsorted()
168 optimal.frequency = freq; in cpufreq_table_index_unsorted()
172 if (freq >= suboptimal.frequency) { in cpufreq_table_index_unsorted()
173 suboptimal.frequency = freq; in cpufreq_table_index_unsorted()
179 diff = abs(freq - target_freq); in cpufreq_table_index_unsorted()
180 if (diff < optimal.frequency || in cpufreq_table_index_unsorted()
181 (diff == optimal.frequency && in cpufreq_table_index_unsorted()
182 freq > table[optimal.driver_data].frequency)) { in cpufreq_table_index_unsorted()
183 optimal.frequency = diff; in cpufreq_table_index_unsorted()
191 WARN(1, "Invalid frequency table: %d\n", policy->cpu); in cpufreq_table_index_unsorted()
200 table[index].frequency); in cpufreq_table_index_unsorted()
208 struct cpufreq_frequency_table *pos, *table = policy->freq_table; in cpufreq_frequency_table_get_index()
212 pr_debug("%s: Unable to find frequency table\n", __func__); in cpufreq_frequency_table_get_index()
213 return -ENOENT; in cpufreq_frequency_table_get_index()
217 if (pos->frequency == freq) in cpufreq_frequency_table_get_index()
220 return -EINVAL; in cpufreq_frequency_table_get_index()
225 * show_available_freqs - show available frequencies for the specified CPU
231 struct cpufreq_frequency_table *pos, *table = policy->freq_table; in show_available_freqs()
234 return -ENODEV; in show_available_freqs()
243 * continue - do not display anything in show_available_freqs()
248 if (show_boost ^ (pos->flags & CPUFREQ_BOOST_FREQ)) in show_available_freqs()
251 count += sprintf(&buf[count], "%d ", pos->frequency); in show_available_freqs()
264 * show_scaling_available_frequencies - show available normal frequencies for
276 * show_available_boost_freqs - show available boost frequencies for
295 struct cpufreq_frequency_table *pos, *table = policy->freq_table; in set_freq_table_sorted()
299 policy->freq_table_sorted = CPUFREQ_TABLE_UNSORTED; in set_freq_table_sorted()
307 if (pos->frequency == prev->frequency) { in set_freq_table_sorted()
308 pr_warn("Duplicate freq-table entries: %u\n", in set_freq_table_sorted()
309 pos->frequency); in set_freq_table_sorted()
310 return -EINVAL; in set_freq_table_sorted()
313 /* Frequency increased from prev to pos */ in set_freq_table_sorted()
314 if (pos->frequency > prev->frequency) { in set_freq_table_sorted()
315 /* But frequency was decreasing earlier */ in set_freq_table_sorted()
323 /* Frequency decreased from prev to pos */ in set_freq_table_sorted()
325 /* But frequency was increasing earlier */ in set_freq_table_sorted()
331 ascending--; in set_freq_table_sorted()
338 policy->freq_table_sorted = CPUFREQ_TABLE_SORTED_ASCENDING; in set_freq_table_sorted()
340 policy->freq_table_sorted = CPUFREQ_TABLE_SORTED_DESCENDING; in set_freq_table_sorted()
352 if (!policy->freq_table) in cpufreq_table_validate_and_sort()
355 ret = cpufreq_frequency_table_cpuinfo(policy, policy->freq_table); in cpufreq_table_validate_and_sort()
363 MODULE_DESCRIPTION("CPUfreq frequency table helpers");