freq_table.c (51c4c4ce1df49b14bbfc334c6388cc9efe32c631) freq_table.c (6f19efc0a1ca08bc61841b971d8b85ab505d95c8)
1/*
2 * linux/drivers/cpufreq/freq_table.c
3 *
4 * Copyright (C) 2002 - 2003 Dominik Brodowski
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.

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27
28 for (i = 0; (table[i].frequency != CPUFREQ_TABLE_END); i++) {
29 unsigned int freq = table[i].frequency;
30 if (freq == CPUFREQ_ENTRY_INVALID) {
31 pr_debug("table entry %u is invalid, skipping\n", i);
32
33 continue;
34 }
1/*
2 * linux/drivers/cpufreq/freq_table.c
3 *
4 * Copyright (C) 2002 - 2003 Dominik Brodowski
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.

--- 18 unchanged lines hidden (view full) ---

27
28 for (i = 0; (table[i].frequency != CPUFREQ_TABLE_END); i++) {
29 unsigned int freq = table[i].frequency;
30 if (freq == CPUFREQ_ENTRY_INVALID) {
31 pr_debug("table entry %u is invalid, skipping\n", i);
32
33 continue;
34 }
35 if (!cpufreq_boost_enabled()
36 && table[i].driver_data == CPUFREQ_BOOST_FREQ)
37 continue;
38
35 pr_debug("table entry %u: %u kHz, %u driver_data\n",
36 i, freq, table[i].driver_data);
37 if (freq < min_freq)
38 min_freq = freq;
39 if (freq > max_freq)
40 max_freq = freq;
41 }
42

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199}
200EXPORT_SYMBOL_GPL(cpufreq_frequency_table_get_index);
201
202static DEFINE_PER_CPU(struct cpufreq_frequency_table *, cpufreq_show_table);
203
204/**
205 * show_available_freqs - show available frequencies for the specified CPU
206 */
39 pr_debug("table entry %u: %u kHz, %u driver_data\n",
40 i, freq, table[i].driver_data);
41 if (freq < min_freq)
42 min_freq = freq;
43 if (freq > max_freq)
44 max_freq = freq;
45 }
46

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203}
204EXPORT_SYMBOL_GPL(cpufreq_frequency_table_get_index);
205
206static DEFINE_PER_CPU(struct cpufreq_frequency_table *, cpufreq_show_table);
207
208/**
209 * show_available_freqs - show available frequencies for the specified CPU
210 */
207static ssize_t show_available_freqs(struct cpufreq_policy *policy, char *buf)
211static ssize_t show_available_freqs(struct cpufreq_policy *policy, char *buf,
212 bool show_boost)
208{
209 unsigned int i = 0;
210 unsigned int cpu = policy->cpu;
211 ssize_t count = 0;
212 struct cpufreq_frequency_table *table;
213
214 if (!per_cpu(cpufreq_show_table, cpu))
215 return -ENODEV;
216
217 table = per_cpu(cpufreq_show_table, cpu);
218
219 for (i = 0; (table[i].frequency != CPUFREQ_TABLE_END); i++) {
220 if (table[i].frequency == CPUFREQ_ENTRY_INVALID)
221 continue;
213{
214 unsigned int i = 0;
215 unsigned int cpu = policy->cpu;
216 ssize_t count = 0;
217 struct cpufreq_frequency_table *table;
218
219 if (!per_cpu(cpufreq_show_table, cpu))
220 return -ENODEV;
221
222 table = per_cpu(cpufreq_show_table, cpu);
223
224 for (i = 0; (table[i].frequency != CPUFREQ_TABLE_END); i++) {
225 if (table[i].frequency == CPUFREQ_ENTRY_INVALID)
226 continue;
227 /*
228 * show_boost = true and driver_data = BOOST freq
229 * display BOOST freqs
230 *
231 * show_boost = false and driver_data = BOOST freq
232 * show_boost = true and driver_data != BOOST freq
233 * continue - do not display anything
234 *
235 * show_boost = false and driver_data != BOOST freq
236 * display NON BOOST freqs
237 */
238 if (show_boost ^ (table[i].driver_data == CPUFREQ_BOOST_FREQ))
239 continue;
240
222 count += sprintf(&buf[count], "%d ", table[i].frequency);
223 }
224 count += sprintf(&buf[count], "\n");
225
226 return count;
227
228}
229
241 count += sprintf(&buf[count], "%d ", table[i].frequency);
242 }
243 count += sprintf(&buf[count], "\n");
244
245 return count;
246
247}
248
230struct freq_attr cpufreq_freq_attr_scaling_available_freqs = {
231 .attr = { .name = "scaling_available_frequencies",
232 .mode = 0444,
233 },
234 .show = show_available_freqs,
235};
249#define cpufreq_attr_available_freq(_name) \
250struct freq_attr cpufreq_freq_attr_##_name##_freqs = \
251__ATTR_RO(_name##_frequencies)
252
253/**
254 * show_scaling_available_frequencies - show available normal frequencies for
255 * the specified CPU
256 */
257static ssize_t scaling_available_frequencies_show(struct cpufreq_policy *policy,
258 char *buf)
259{
260 return show_available_freqs(policy, buf, false);
261}
262cpufreq_attr_available_freq(scaling_available);
236EXPORT_SYMBOL_GPL(cpufreq_freq_attr_scaling_available_freqs);
237
263EXPORT_SYMBOL_GPL(cpufreq_freq_attr_scaling_available_freqs);
264
265/**
266 * show_available_boost_freqs - show available boost frequencies for
267 * the specified CPU
268 */
269static ssize_t scaling_boost_frequencies_show(struct cpufreq_policy *policy,
270 char *buf)
271{
272 return show_available_freqs(policy, buf, true);
273}
274cpufreq_attr_available_freq(scaling_boost);
275EXPORT_SYMBOL_GPL(cpufreq_freq_attr_scaling_boost_freqs);
276
238struct freq_attr *cpufreq_generic_attr[] = {
239 &cpufreq_freq_attr_scaling_available_freqs,
277struct freq_attr *cpufreq_generic_attr[] = {
278 &cpufreq_freq_attr_scaling_available_freqs,
279#ifdef CONFIG_CPU_FREQ_BOOST_SW
280 &cpufreq_freq_attr_scaling_boost_freqs,
281#endif
240 NULL,
241};
242EXPORT_SYMBOL_GPL(cpufreq_generic_attr);
243
244/*
245 * if you use these, you must assure that the frequency table is valid
246 * all the time between get_attr and put_attr!
247 */

--- 45 unchanged lines hidden --- 		282 NULL,
283};
284EXPORT_SYMBOL_GPL(cpufreq_generic_attr);
285
286/*
287 * if you use these, you must assure that the frequency table is valid
288 * all the time between get_attr and put_attr!
289 */

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