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