1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * Generic OPP Interface
4 *
5 * Copyright (C) 2009-2010 Texas Instruments Incorporated.
6 * Nishanth Menon
7 * Romit Dasgupta
8 * Kevin Hilman
9 */
10
11 #ifndef __LINUX_OPP_H__
12 #define __LINUX_OPP_H__
13
14 #include <linux/energy_model.h>
15 #include <linux/err.h>
16 #include <linux/notifier.h>
17
18 struct clk;
19 struct cpufreq_frequency_table;
20 struct regulator;
21 struct dev_pm_opp;
22 struct device;
23 struct opp_table;
24
25 enum dev_pm_opp_event {
26 OPP_EVENT_ADD, OPP_EVENT_REMOVE, OPP_EVENT_ENABLE, OPP_EVENT_DISABLE,
27 OPP_EVENT_ADJUST_VOLTAGE,
28 };
29
30 /**
31 * struct dev_pm_opp_supply - Power supply voltage/current values
32 * @u_volt: Target voltage in microvolts corresponding to this OPP
33 * @u_volt_min: Minimum voltage in microvolts corresponding to this OPP
34 * @u_volt_max: Maximum voltage in microvolts corresponding to this OPP
35 * @u_amp: Maximum current drawn by the device in microamperes
36 * @u_watt: Power used by the device in microwatts
37 *
38 * This structure stores the voltage/current/power values for a single power
39 * supply.
40 */
41 struct dev_pm_opp_supply {
42 unsigned long u_volt;
43 unsigned long u_volt_min;
44 unsigned long u_volt_max;
45 unsigned long u_amp;
46 unsigned long u_watt;
47 };
48
49 typedef int (*config_regulators_t)(struct device *dev,
50 struct dev_pm_opp *old_opp, struct dev_pm_opp *new_opp,
51 struct regulator **regulators, unsigned int count);
52
53 typedef int (*config_clks_t)(struct device *dev, struct opp_table *opp_table,
54 struct dev_pm_opp *opp, void *data, bool scaling_down);
55
56 /**
57 * struct dev_pm_opp_config - Device OPP configuration values
58 * @clk_names: Clk names, NULL terminated array.
59 * @config_clks: Custom set clk helper.
60 * @prop_name: Name to postfix to properties.
61 * @config_regulators: Custom set regulator helper.
62 * @supported_hw: Array of hierarchy of versions to match.
63 * @supported_hw_count: Number of elements in the array.
64 * @regulator_names: Array of pointers to the names of the regulator, NULL terminated.
65 * @genpd_names: Null terminated array of pointers containing names of genpd to
66 * attach. Mutually exclusive with required_devs.
67 * @virt_devs: Pointer to return the array of genpd virtual devices. Mutually
68 * exclusive with required_devs.
69 * @required_devs: Required OPP devices. Mutually exclusive with genpd_names/virt_devs.
70 *
71 * This structure contains platform specific OPP configurations for the device.
72 */
73 struct dev_pm_opp_config {
74 /* NULL terminated */
75 const char * const *clk_names;
76 config_clks_t config_clks;
77 const char *prop_name;
78 config_regulators_t config_regulators;
79 const unsigned int *supported_hw;
80 unsigned int supported_hw_count;
81 const char * const *regulator_names;
82 const char * const *genpd_names;
83 struct device ***virt_devs;
84 struct device **required_devs;
85 };
86
87 #define OPP_LEVEL_UNSET U32_MAX
88
89 /**
90 * struct dev_pm_opp_data - The data to use to initialize an OPP.
91 * @turbo: Flag to indicate whether the OPP is to be marked turbo or not.
92 * @level: The performance level for the OPP. Set level to OPP_LEVEL_UNSET if
93 * level field isn't used.
94 * @freq: The clock rate in Hz for the OPP.
95 * @u_volt: The voltage in uV for the OPP.
96 */
97 struct dev_pm_opp_data {
98 bool turbo;
99 unsigned int level;
100 unsigned long freq;
101 unsigned long u_volt;
102 };
103
104 #if defined(CONFIG_PM_OPP)
105
106 struct opp_table *dev_pm_opp_get_opp_table(struct device *dev);
107 void dev_pm_opp_put_opp_table(struct opp_table *opp_table);
108
109 unsigned long dev_pm_opp_get_voltage(struct dev_pm_opp *opp);
110
111 int dev_pm_opp_get_supplies(struct dev_pm_opp *opp, struct dev_pm_opp_supply *supplies);
112
113 unsigned long dev_pm_opp_get_power(struct dev_pm_opp *opp);
114
115 unsigned long dev_pm_opp_get_freq_indexed(struct dev_pm_opp *opp, u32 index);
116
117 unsigned int dev_pm_opp_get_level(struct dev_pm_opp *opp);
118
119 unsigned int dev_pm_opp_get_required_pstate(struct dev_pm_opp *opp,
120 unsigned int index);
121
122 bool dev_pm_opp_is_turbo(struct dev_pm_opp *opp);
123
124 int dev_pm_opp_get_opp_count(struct device *dev);
125 unsigned long dev_pm_opp_get_max_clock_latency(struct device *dev);
126 unsigned long dev_pm_opp_get_max_volt_latency(struct device *dev);
127 unsigned long dev_pm_opp_get_max_transition_latency(struct device *dev);
128 unsigned long dev_pm_opp_get_suspend_opp_freq(struct device *dev);
129
130 struct dev_pm_opp *dev_pm_opp_find_freq_exact(struct device *dev,
131 unsigned long freq,
132 bool available);
133
134 struct dev_pm_opp *
135 dev_pm_opp_find_freq_exact_indexed(struct device *dev, unsigned long freq,
136 u32 index, bool available);
137
138 struct dev_pm_opp *dev_pm_opp_find_freq_floor(struct device *dev,
139 unsigned long *freq);
140
141 struct dev_pm_opp *dev_pm_opp_find_freq_floor_indexed(struct device *dev,
142 unsigned long *freq, u32 index);
143
144 struct dev_pm_opp *dev_pm_opp_find_freq_ceil(struct device *dev,
145 unsigned long *freq);
146
147 struct dev_pm_opp *dev_pm_opp_find_freq_ceil_indexed(struct device *dev,
148 unsigned long *freq, u32 index);
149
150 struct dev_pm_opp *dev_pm_opp_find_level_exact(struct device *dev,
151 unsigned int level);
152
153 struct dev_pm_opp *dev_pm_opp_find_level_ceil(struct device *dev,
154 unsigned int *level);
155
156 struct dev_pm_opp *dev_pm_opp_find_level_floor(struct device *dev,
157 unsigned int *level);
158
159 struct dev_pm_opp *dev_pm_opp_find_bw_ceil(struct device *dev,
160 unsigned int *bw, int index);
161
162 struct dev_pm_opp *dev_pm_opp_find_bw_floor(struct device *dev,
163 unsigned int *bw, int index);
164
165 void dev_pm_opp_put(struct dev_pm_opp *opp);
166
167 int dev_pm_opp_add_dynamic(struct device *dev, struct dev_pm_opp_data *opp);
168
169 void dev_pm_opp_remove(struct device *dev, unsigned long freq);
170 void dev_pm_opp_remove_all_dynamic(struct device *dev);
171
172 int dev_pm_opp_adjust_voltage(struct device *dev, unsigned long freq,
173 unsigned long u_volt, unsigned long u_volt_min,
174 unsigned long u_volt_max);
175
176 int dev_pm_opp_enable(struct device *dev, unsigned long freq);
177
178 int dev_pm_opp_disable(struct device *dev, unsigned long freq);
179
180 int dev_pm_opp_register_notifier(struct device *dev, struct notifier_block *nb);
181 int dev_pm_opp_unregister_notifier(struct device *dev, struct notifier_block *nb);
182
183 int dev_pm_opp_set_config(struct device *dev, struct dev_pm_opp_config *config);
184 int devm_pm_opp_set_config(struct device *dev, struct dev_pm_opp_config *config);
185 void dev_pm_opp_clear_config(int token);
186 int dev_pm_opp_config_clks_simple(struct device *dev,
187 struct opp_table *opp_table, struct dev_pm_opp *opp, void *data,
188 bool scaling_down);
189
190 struct dev_pm_opp *dev_pm_opp_xlate_required_opp(struct opp_table *src_table, struct opp_table *dst_table, struct dev_pm_opp *src_opp);
191 int dev_pm_opp_xlate_performance_state(struct opp_table *src_table, struct opp_table *dst_table, unsigned int pstate);
192 int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq);
193 int dev_pm_opp_set_opp(struct device *dev, struct dev_pm_opp *opp);
194 int dev_pm_opp_set_sharing_cpus(struct device *cpu_dev, const struct cpumask *cpumask);
195 int dev_pm_opp_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask);
196 void dev_pm_opp_remove_table(struct device *dev);
197 void dev_pm_opp_cpumask_remove_table(const struct cpumask *cpumask);
198 int dev_pm_opp_sync_regulators(struct device *dev);
199 #else
dev_pm_opp_get_opp_table(struct device * dev)200 static inline struct opp_table *dev_pm_opp_get_opp_table(struct device *dev)
201 {
202 return ERR_PTR(-EOPNOTSUPP);
203 }
204
dev_pm_opp_get_opp_table_indexed(struct device * dev,int index)205 static inline struct opp_table *dev_pm_opp_get_opp_table_indexed(struct device *dev, int index)
206 {
207 return ERR_PTR(-EOPNOTSUPP);
208 }
209
dev_pm_opp_put_opp_table(struct opp_table * opp_table)210 static inline void dev_pm_opp_put_opp_table(struct opp_table *opp_table) {}
211
dev_pm_opp_get_voltage(struct dev_pm_opp * opp)212 static inline unsigned long dev_pm_opp_get_voltage(struct dev_pm_opp *opp)
213 {
214 return 0;
215 }
216
dev_pm_opp_get_supplies(struct dev_pm_opp * opp,struct dev_pm_opp_supply * supplies)217 static inline int dev_pm_opp_get_supplies(struct dev_pm_opp *opp, struct dev_pm_opp_supply *supplies)
218 {
219 return -EOPNOTSUPP;
220 }
221
dev_pm_opp_get_power(struct dev_pm_opp * opp)222 static inline unsigned long dev_pm_opp_get_power(struct dev_pm_opp *opp)
223 {
224 return 0;
225 }
226
dev_pm_opp_get_freq_indexed(struct dev_pm_opp * opp,u32 index)227 static inline unsigned long dev_pm_opp_get_freq_indexed(struct dev_pm_opp *opp, u32 index)
228 {
229 return 0;
230 }
231
dev_pm_opp_get_level(struct dev_pm_opp * opp)232 static inline unsigned int dev_pm_opp_get_level(struct dev_pm_opp *opp)
233 {
234 return 0;
235 }
236
237 static inline
dev_pm_opp_get_required_pstate(struct dev_pm_opp * opp,unsigned int index)238 unsigned int dev_pm_opp_get_required_pstate(struct dev_pm_opp *opp,
239 unsigned int index)
240 {
241 return 0;
242 }
243
dev_pm_opp_is_turbo(struct dev_pm_opp * opp)244 static inline bool dev_pm_opp_is_turbo(struct dev_pm_opp *opp)
245 {
246 return false;
247 }
248
dev_pm_opp_get_opp_count(struct device * dev)249 static inline int dev_pm_opp_get_opp_count(struct device *dev)
250 {
251 return 0;
252 }
253
dev_pm_opp_get_max_clock_latency(struct device * dev)254 static inline unsigned long dev_pm_opp_get_max_clock_latency(struct device *dev)
255 {
256 return 0;
257 }
258
dev_pm_opp_get_max_volt_latency(struct device * dev)259 static inline unsigned long dev_pm_opp_get_max_volt_latency(struct device *dev)
260 {
261 return 0;
262 }
263
dev_pm_opp_get_max_transition_latency(struct device * dev)264 static inline unsigned long dev_pm_opp_get_max_transition_latency(struct device *dev)
265 {
266 return 0;
267 }
268
dev_pm_opp_get_suspend_opp_freq(struct device * dev)269 static inline unsigned long dev_pm_opp_get_suspend_opp_freq(struct device *dev)
270 {
271 return 0;
272 }
273
dev_pm_opp_find_freq_exact(struct device * dev,unsigned long freq,bool available)274 static inline struct dev_pm_opp *dev_pm_opp_find_freq_exact(struct device *dev,
275 unsigned long freq, bool available)
276 {
277 return ERR_PTR(-EOPNOTSUPP);
278 }
279
280 static inline struct dev_pm_opp *
dev_pm_opp_find_freq_exact_indexed(struct device * dev,unsigned long freq,u32 index,bool available)281 dev_pm_opp_find_freq_exact_indexed(struct device *dev, unsigned long freq,
282 u32 index, bool available)
283 {
284 return ERR_PTR(-EOPNOTSUPP);
285 }
286
dev_pm_opp_find_freq_floor(struct device * dev,unsigned long * freq)287 static inline struct dev_pm_opp *dev_pm_opp_find_freq_floor(struct device *dev,
288 unsigned long *freq)
289 {
290 return ERR_PTR(-EOPNOTSUPP);
291 }
292
293 static inline struct dev_pm_opp *
dev_pm_opp_find_freq_floor_indexed(struct device * dev,unsigned long * freq,u32 index)294 dev_pm_opp_find_freq_floor_indexed(struct device *dev, unsigned long *freq, u32 index)
295 {
296 return ERR_PTR(-EOPNOTSUPP);
297 }
298
dev_pm_opp_find_freq_ceil(struct device * dev,unsigned long * freq)299 static inline struct dev_pm_opp *dev_pm_opp_find_freq_ceil(struct device *dev,
300 unsigned long *freq)
301 {
302 return ERR_PTR(-EOPNOTSUPP);
303 }
304
305 static inline struct dev_pm_opp *
dev_pm_opp_find_freq_ceil_indexed(struct device * dev,unsigned long * freq,u32 index)306 dev_pm_opp_find_freq_ceil_indexed(struct device *dev, unsigned long *freq, u32 index)
307 {
308 return ERR_PTR(-EOPNOTSUPP);
309 }
310
dev_pm_opp_find_level_exact(struct device * dev,unsigned int level)311 static inline struct dev_pm_opp *dev_pm_opp_find_level_exact(struct device *dev,
312 unsigned int level)
313 {
314 return ERR_PTR(-EOPNOTSUPP);
315 }
316
dev_pm_opp_find_level_ceil(struct device * dev,unsigned int * level)317 static inline struct dev_pm_opp *dev_pm_opp_find_level_ceil(struct device *dev,
318 unsigned int *level)
319 {
320 return ERR_PTR(-EOPNOTSUPP);
321 }
322
dev_pm_opp_find_level_floor(struct device * dev,unsigned int * level)323 static inline struct dev_pm_opp *dev_pm_opp_find_level_floor(struct device *dev,
324 unsigned int *level)
325 {
326 return ERR_PTR(-EOPNOTSUPP);
327 }
328
dev_pm_opp_find_bw_ceil(struct device * dev,unsigned int * bw,int index)329 static inline struct dev_pm_opp *dev_pm_opp_find_bw_ceil(struct device *dev,
330 unsigned int *bw, int index)
331 {
332 return ERR_PTR(-EOPNOTSUPP);
333 }
334
dev_pm_opp_find_bw_floor(struct device * dev,unsigned int * bw,int index)335 static inline struct dev_pm_opp *dev_pm_opp_find_bw_floor(struct device *dev,
336 unsigned int *bw, int index)
337 {
338 return ERR_PTR(-EOPNOTSUPP);
339 }
340
dev_pm_opp_put(struct dev_pm_opp * opp)341 static inline void dev_pm_opp_put(struct dev_pm_opp *opp) {}
342
343 static inline int
dev_pm_opp_add_dynamic(struct device * dev,struct dev_pm_opp_data * opp)344 dev_pm_opp_add_dynamic(struct device *dev, struct dev_pm_opp_data *opp)
345 {
346 return -EOPNOTSUPP;
347 }
348
dev_pm_opp_remove(struct device * dev,unsigned long freq)349 static inline void dev_pm_opp_remove(struct device *dev, unsigned long freq)
350 {
351 }
352
dev_pm_opp_remove_all_dynamic(struct device * dev)353 static inline void dev_pm_opp_remove_all_dynamic(struct device *dev)
354 {
355 }
356
357 static inline int
dev_pm_opp_adjust_voltage(struct device * dev,unsigned long freq,unsigned long u_volt,unsigned long u_volt_min,unsigned long u_volt_max)358 dev_pm_opp_adjust_voltage(struct device *dev, unsigned long freq,
359 unsigned long u_volt, unsigned long u_volt_min,
360 unsigned long u_volt_max)
361 {
362 return 0;
363 }
364
dev_pm_opp_enable(struct device * dev,unsigned long freq)365 static inline int dev_pm_opp_enable(struct device *dev, unsigned long freq)
366 {
367 return 0;
368 }
369
dev_pm_opp_disable(struct device * dev,unsigned long freq)370 static inline int dev_pm_opp_disable(struct device *dev, unsigned long freq)
371 {
372 return 0;
373 }
374
dev_pm_opp_register_notifier(struct device * dev,struct notifier_block * nb)375 static inline int dev_pm_opp_register_notifier(struct device *dev, struct notifier_block *nb)
376 {
377 return -EOPNOTSUPP;
378 }
379
dev_pm_opp_unregister_notifier(struct device * dev,struct notifier_block * nb)380 static inline int dev_pm_opp_unregister_notifier(struct device *dev, struct notifier_block *nb)
381 {
382 return -EOPNOTSUPP;
383 }
384
dev_pm_opp_set_config(struct device * dev,struct dev_pm_opp_config * config)385 static inline int dev_pm_opp_set_config(struct device *dev, struct dev_pm_opp_config *config)
386 {
387 return -EOPNOTSUPP;
388 }
389
devm_pm_opp_set_config(struct device * dev,struct dev_pm_opp_config * config)390 static inline int devm_pm_opp_set_config(struct device *dev, struct dev_pm_opp_config *config)
391 {
392 return -EOPNOTSUPP;
393 }
394
dev_pm_opp_clear_config(int token)395 static inline void dev_pm_opp_clear_config(int token) {}
396
dev_pm_opp_config_clks_simple(struct device * dev,struct opp_table * opp_table,struct dev_pm_opp * opp,void * data,bool scaling_down)397 static inline int dev_pm_opp_config_clks_simple(struct device *dev,
398 struct opp_table *opp_table, struct dev_pm_opp *opp, void *data,
399 bool scaling_down)
400 {
401 return -EOPNOTSUPP;
402 }
403
dev_pm_opp_xlate_required_opp(struct opp_table * src_table,struct opp_table * dst_table,struct dev_pm_opp * src_opp)404 static inline struct dev_pm_opp *dev_pm_opp_xlate_required_opp(struct opp_table *src_table,
405 struct opp_table *dst_table, struct dev_pm_opp *src_opp)
406 {
407 return ERR_PTR(-EOPNOTSUPP);
408 }
409
dev_pm_opp_xlate_performance_state(struct opp_table * src_table,struct opp_table * dst_table,unsigned int pstate)410 static inline int dev_pm_opp_xlate_performance_state(struct opp_table *src_table, struct opp_table *dst_table, unsigned int pstate)
411 {
412 return -EOPNOTSUPP;
413 }
414
dev_pm_opp_set_rate(struct device * dev,unsigned long target_freq)415 static inline int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq)
416 {
417 return -EOPNOTSUPP;
418 }
419
dev_pm_opp_set_opp(struct device * dev,struct dev_pm_opp * opp)420 static inline int dev_pm_opp_set_opp(struct device *dev, struct dev_pm_opp *opp)
421 {
422 return -EOPNOTSUPP;
423 }
424
dev_pm_opp_set_sharing_cpus(struct device * cpu_dev,const struct cpumask * cpumask)425 static inline int dev_pm_opp_set_sharing_cpus(struct device *cpu_dev, const struct cpumask *cpumask)
426 {
427 return -EOPNOTSUPP;
428 }
429
dev_pm_opp_get_sharing_cpus(struct device * cpu_dev,struct cpumask * cpumask)430 static inline int dev_pm_opp_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask)
431 {
432 return -EINVAL;
433 }
434
dev_pm_opp_remove_table(struct device * dev)435 static inline void dev_pm_opp_remove_table(struct device *dev)
436 {
437 }
438
dev_pm_opp_cpumask_remove_table(const struct cpumask * cpumask)439 static inline void dev_pm_opp_cpumask_remove_table(const struct cpumask *cpumask)
440 {
441 }
442
dev_pm_opp_sync_regulators(struct device * dev)443 static inline int dev_pm_opp_sync_regulators(struct device *dev)
444 {
445 return -EOPNOTSUPP;
446 }
447
448 #endif /* CONFIG_PM_OPP */
449
450 #if defined(CONFIG_CPU_FREQ) && defined(CONFIG_PM_OPP)
451 int dev_pm_opp_init_cpufreq_table(struct device *dev, struct cpufreq_frequency_table **table);
452 void dev_pm_opp_free_cpufreq_table(struct device *dev, struct cpufreq_frequency_table **table);
453 #else
dev_pm_opp_init_cpufreq_table(struct device * dev,struct cpufreq_frequency_table ** table)454 static inline int dev_pm_opp_init_cpufreq_table(struct device *dev, struct cpufreq_frequency_table **table)
455 {
456 return -EINVAL;
457 }
458
dev_pm_opp_free_cpufreq_table(struct device * dev,struct cpufreq_frequency_table ** table)459 static inline void dev_pm_opp_free_cpufreq_table(struct device *dev, struct cpufreq_frequency_table **table)
460 {
461 }
462 #endif
463
464
465 #if defined(CONFIG_PM_OPP) && defined(CONFIG_OF)
466 int dev_pm_opp_of_add_table(struct device *dev);
467 int dev_pm_opp_of_add_table_indexed(struct device *dev, int index);
468 int devm_pm_opp_of_add_table_indexed(struct device *dev, int index);
469 void dev_pm_opp_of_remove_table(struct device *dev);
470 int devm_pm_opp_of_add_table(struct device *dev);
471 int dev_pm_opp_of_cpumask_add_table(const struct cpumask *cpumask);
472 void dev_pm_opp_of_cpumask_remove_table(const struct cpumask *cpumask);
473 int dev_pm_opp_of_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask);
474 struct device_node *dev_pm_opp_of_get_opp_desc_node(struct device *dev);
475 struct device_node *dev_pm_opp_get_of_node(struct dev_pm_opp *opp);
476 int of_get_required_opp_performance_state(struct device_node *np, int index);
477 int dev_pm_opp_of_find_icc_paths(struct device *dev, struct opp_table *opp_table);
478 int dev_pm_opp_of_register_em(struct device *dev, struct cpumask *cpus);
479 int dev_pm_opp_calc_power(struct device *dev, unsigned long *uW,
480 unsigned long *kHz);
dev_pm_opp_of_unregister_em(struct device * dev)481 static inline void dev_pm_opp_of_unregister_em(struct device *dev)
482 {
483 em_dev_unregister_perf_domain(dev);
484 }
485 #else
dev_pm_opp_of_add_table(struct device * dev)486 static inline int dev_pm_opp_of_add_table(struct device *dev)
487 {
488 return -EOPNOTSUPP;
489 }
490
dev_pm_opp_of_add_table_indexed(struct device * dev,int index)491 static inline int dev_pm_opp_of_add_table_indexed(struct device *dev, int index)
492 {
493 return -EOPNOTSUPP;
494 }
495
devm_pm_opp_of_add_table_indexed(struct device * dev,int index)496 static inline int devm_pm_opp_of_add_table_indexed(struct device *dev, int index)
497 {
498 return -EOPNOTSUPP;
499 }
500
dev_pm_opp_of_remove_table(struct device * dev)501 static inline void dev_pm_opp_of_remove_table(struct device *dev)
502 {
503 }
504
devm_pm_opp_of_add_table(struct device * dev)505 static inline int devm_pm_opp_of_add_table(struct device *dev)
506 {
507 return -EOPNOTSUPP;
508 }
509
dev_pm_opp_of_cpumask_add_table(const struct cpumask * cpumask)510 static inline int dev_pm_opp_of_cpumask_add_table(const struct cpumask *cpumask)
511 {
512 return -EOPNOTSUPP;
513 }
514
dev_pm_opp_of_cpumask_remove_table(const struct cpumask * cpumask)515 static inline void dev_pm_opp_of_cpumask_remove_table(const struct cpumask *cpumask)
516 {
517 }
518
dev_pm_opp_of_get_sharing_cpus(struct device * cpu_dev,struct cpumask * cpumask)519 static inline int dev_pm_opp_of_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask)
520 {
521 return -EOPNOTSUPP;
522 }
523
dev_pm_opp_of_get_opp_desc_node(struct device * dev)524 static inline struct device_node *dev_pm_opp_of_get_opp_desc_node(struct device *dev)
525 {
526 return NULL;
527 }
528
dev_pm_opp_get_of_node(struct dev_pm_opp * opp)529 static inline struct device_node *dev_pm_opp_get_of_node(struct dev_pm_opp *opp)
530 {
531 return NULL;
532 }
533
dev_pm_opp_of_register_em(struct device * dev,struct cpumask * cpus)534 static inline int dev_pm_opp_of_register_em(struct device *dev,
535 struct cpumask *cpus)
536 {
537 return -EOPNOTSUPP;
538 }
539
dev_pm_opp_of_unregister_em(struct device * dev)540 static inline void dev_pm_opp_of_unregister_em(struct device *dev)
541 {
542 }
543
dev_pm_opp_calc_power(struct device * dev,unsigned long * uW,unsigned long * kHz)544 static inline int dev_pm_opp_calc_power(struct device *dev, unsigned long *uW,
545 unsigned long *kHz)
546 {
547 return -EOPNOTSUPP;
548 }
549
of_get_required_opp_performance_state(struct device_node * np,int index)550 static inline int of_get_required_opp_performance_state(struct device_node *np, int index)
551 {
552 return -EOPNOTSUPP;
553 }
554
dev_pm_opp_of_find_icc_paths(struct device * dev,struct opp_table * opp_table)555 static inline int dev_pm_opp_of_find_icc_paths(struct device *dev, struct opp_table *opp_table)
556 {
557 return -EOPNOTSUPP;
558 }
559 #endif
560
561 /* OPP Configuration helpers */
562
dev_pm_opp_add(struct device * dev,unsigned long freq,unsigned long u_volt)563 static inline int dev_pm_opp_add(struct device *dev, unsigned long freq,
564 unsigned long u_volt)
565 {
566 struct dev_pm_opp_data data = {
567 .freq = freq,
568 .u_volt = u_volt,
569 };
570
571 return dev_pm_opp_add_dynamic(dev, &data);
572 }
573
574 /* Regulators helpers */
dev_pm_opp_set_regulators(struct device * dev,const char * const names[])575 static inline int dev_pm_opp_set_regulators(struct device *dev,
576 const char * const names[])
577 {
578 struct dev_pm_opp_config config = {
579 .regulator_names = names,
580 };
581
582 return dev_pm_opp_set_config(dev, &config);
583 }
584
dev_pm_opp_put_regulators(int token)585 static inline void dev_pm_opp_put_regulators(int token)
586 {
587 dev_pm_opp_clear_config(token);
588 }
589
devm_pm_opp_set_regulators(struct device * dev,const char * const names[])590 static inline int devm_pm_opp_set_regulators(struct device *dev,
591 const char * const names[])
592 {
593 struct dev_pm_opp_config config = {
594 .regulator_names = names,
595 };
596
597 return devm_pm_opp_set_config(dev, &config);
598 }
599
600 /* Supported-hw helpers */
dev_pm_opp_set_supported_hw(struct device * dev,const u32 * versions,unsigned int count)601 static inline int dev_pm_opp_set_supported_hw(struct device *dev,
602 const u32 *versions,
603 unsigned int count)
604 {
605 struct dev_pm_opp_config config = {
606 .supported_hw = versions,
607 .supported_hw_count = count,
608 };
609
610 return dev_pm_opp_set_config(dev, &config);
611 }
612
dev_pm_opp_put_supported_hw(int token)613 static inline void dev_pm_opp_put_supported_hw(int token)
614 {
615 dev_pm_opp_clear_config(token);
616 }
617
devm_pm_opp_set_supported_hw(struct device * dev,const u32 * versions,unsigned int count)618 static inline int devm_pm_opp_set_supported_hw(struct device *dev,
619 const u32 *versions,
620 unsigned int count)
621 {
622 struct dev_pm_opp_config config = {
623 .supported_hw = versions,
624 .supported_hw_count = count,
625 };
626
627 return devm_pm_opp_set_config(dev, &config);
628 }
629
630 /* clkname helpers */
dev_pm_opp_set_clkname(struct device * dev,const char * name)631 static inline int dev_pm_opp_set_clkname(struct device *dev, const char *name)
632 {
633 const char *names[] = { name, NULL };
634 struct dev_pm_opp_config config = {
635 .clk_names = names,
636 };
637
638 return dev_pm_opp_set_config(dev, &config);
639 }
640
dev_pm_opp_put_clkname(int token)641 static inline void dev_pm_opp_put_clkname(int token)
642 {
643 dev_pm_opp_clear_config(token);
644 }
645
devm_pm_opp_set_clkname(struct device * dev,const char * name)646 static inline int devm_pm_opp_set_clkname(struct device *dev, const char *name)
647 {
648 const char *names[] = { name, NULL };
649 struct dev_pm_opp_config config = {
650 .clk_names = names,
651 };
652
653 return devm_pm_opp_set_config(dev, &config);
654 }
655
656 /* config-regulators helpers */
dev_pm_opp_set_config_regulators(struct device * dev,config_regulators_t helper)657 static inline int dev_pm_opp_set_config_regulators(struct device *dev,
658 config_regulators_t helper)
659 {
660 struct dev_pm_opp_config config = {
661 .config_regulators = helper,
662 };
663
664 return dev_pm_opp_set_config(dev, &config);
665 }
666
dev_pm_opp_put_config_regulators(int token)667 static inline void dev_pm_opp_put_config_regulators(int token)
668 {
669 dev_pm_opp_clear_config(token);
670 }
671
672 /* genpd helpers */
dev_pm_opp_attach_genpd(struct device * dev,const char * const * names,struct device *** virt_devs)673 static inline int dev_pm_opp_attach_genpd(struct device *dev,
674 const char * const *names,
675 struct device ***virt_devs)
676 {
677 struct dev_pm_opp_config config = {
678 .genpd_names = names,
679 .virt_devs = virt_devs,
680 };
681
682 return dev_pm_opp_set_config(dev, &config);
683 }
684
dev_pm_opp_detach_genpd(int token)685 static inline void dev_pm_opp_detach_genpd(int token)
686 {
687 dev_pm_opp_clear_config(token);
688 }
689
devm_pm_opp_attach_genpd(struct device * dev,const char * const * names,struct device *** virt_devs)690 static inline int devm_pm_opp_attach_genpd(struct device *dev,
691 const char * const *names,
692 struct device ***virt_devs)
693 {
694 struct dev_pm_opp_config config = {
695 .genpd_names = names,
696 .virt_devs = virt_devs,
697 };
698
699 return devm_pm_opp_set_config(dev, &config);
700 }
701
702 /* prop-name helpers */
dev_pm_opp_set_prop_name(struct device * dev,const char * name)703 static inline int dev_pm_opp_set_prop_name(struct device *dev, const char *name)
704 {
705 struct dev_pm_opp_config config = {
706 .prop_name = name,
707 };
708
709 return dev_pm_opp_set_config(dev, &config);
710 }
711
dev_pm_opp_put_prop_name(int token)712 static inline void dev_pm_opp_put_prop_name(int token)
713 {
714 dev_pm_opp_clear_config(token);
715 }
716
dev_pm_opp_get_freq(struct dev_pm_opp * opp)717 static inline unsigned long dev_pm_opp_get_freq(struct dev_pm_opp *opp)
718 {
719 return dev_pm_opp_get_freq_indexed(opp, 0);
720 }
721
722 #endif /* __LINUX_OPP_H__ */
723