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_indexed(struct dev_pm_opp *opp, u32 index);
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 
125 struct dev_pm_opp *
126 dev_pm_opp_find_freq_exact_indexed(struct device *dev, unsigned long freq,
127 				   u32 index, bool available);
128 
129 struct dev_pm_opp *dev_pm_opp_find_freq_floor(struct device *dev,
130 					      unsigned long *freq);
131 
132 struct dev_pm_opp *dev_pm_opp_find_freq_floor_indexed(struct device *dev,
133 						      unsigned long *freq, u32 index);
134 
135 struct dev_pm_opp *dev_pm_opp_find_freq_ceil(struct device *dev,
136 					     unsigned long *freq);
137 
138 struct dev_pm_opp *dev_pm_opp_find_freq_ceil_indexed(struct device *dev,
139 						     unsigned long *freq, u32 index);
140 
141 struct dev_pm_opp *dev_pm_opp_find_level_exact(struct device *dev,
142 					       unsigned int level);
143 
144 struct dev_pm_opp *dev_pm_opp_find_level_ceil(struct device *dev,
145 					      unsigned int *level);
146 
147 struct dev_pm_opp *dev_pm_opp_find_bw_ceil(struct device *dev,
148 					   unsigned int *bw, int index);
149 
150 struct dev_pm_opp *dev_pm_opp_find_bw_floor(struct device *dev,
151 					   unsigned int *bw, int index);
152 
153 void dev_pm_opp_put(struct dev_pm_opp *opp);
154 
155 int dev_pm_opp_add(struct device *dev, unsigned long freq,
156 		   unsigned long u_volt);
157 void dev_pm_opp_remove(struct device *dev, unsigned long freq);
158 void dev_pm_opp_remove_all_dynamic(struct device *dev);
159 
160 int dev_pm_opp_adjust_voltage(struct device *dev, unsigned long freq,
161 			      unsigned long u_volt, unsigned long u_volt_min,
162 			      unsigned long u_volt_max);
163 
164 int dev_pm_opp_enable(struct device *dev, unsigned long freq);
165 
166 int dev_pm_opp_disable(struct device *dev, unsigned long freq);
167 
168 int dev_pm_opp_register_notifier(struct device *dev, struct notifier_block *nb);
169 int dev_pm_opp_unregister_notifier(struct device *dev, struct notifier_block *nb);
170 
171 int dev_pm_opp_set_config(struct device *dev, struct dev_pm_opp_config *config);
172 int devm_pm_opp_set_config(struct device *dev, struct dev_pm_opp_config *config);
173 void dev_pm_opp_clear_config(int token);
174 int dev_pm_opp_config_clks_simple(struct device *dev,
175 		struct opp_table *opp_table, struct dev_pm_opp *opp, void *data,
176 		bool scaling_down);
177 
178 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);
179 int dev_pm_opp_xlate_performance_state(struct opp_table *src_table, struct opp_table *dst_table, unsigned int pstate);
180 int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq);
181 int dev_pm_opp_set_opp(struct device *dev, struct dev_pm_opp *opp);
182 int dev_pm_opp_set_sharing_cpus(struct device *cpu_dev, const struct cpumask *cpumask);
183 int dev_pm_opp_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask);
184 void dev_pm_opp_remove_table(struct device *dev);
185 void dev_pm_opp_cpumask_remove_table(const struct cpumask *cpumask);
186 int dev_pm_opp_sync_regulators(struct device *dev);
187 #else
dev_pm_opp_get_opp_table(struct device * dev)188 static inline struct opp_table *dev_pm_opp_get_opp_table(struct device *dev)
189 {
190 	return ERR_PTR(-EOPNOTSUPP);
191 }
192 
dev_pm_opp_get_opp_table_indexed(struct device * dev,int index)193 static inline struct opp_table *dev_pm_opp_get_opp_table_indexed(struct device *dev, int index)
194 {
195 	return ERR_PTR(-EOPNOTSUPP);
196 }
197 
dev_pm_opp_put_opp_table(struct opp_table * opp_table)198 static inline void dev_pm_opp_put_opp_table(struct opp_table *opp_table) {}
199 
dev_pm_opp_get_voltage(struct dev_pm_opp * opp)200 static inline unsigned long dev_pm_opp_get_voltage(struct dev_pm_opp *opp)
201 {
202 	return 0;
203 }
204 
dev_pm_opp_get_supplies(struct dev_pm_opp * opp,struct dev_pm_opp_supply * supplies)205 static inline int dev_pm_opp_get_supplies(struct dev_pm_opp *opp, struct dev_pm_opp_supply *supplies)
206 {
207 	return -EOPNOTSUPP;
208 }
209 
dev_pm_opp_get_power(struct dev_pm_opp * opp)210 static inline unsigned long dev_pm_opp_get_power(struct dev_pm_opp *opp)
211 {
212 	return 0;
213 }
214 
dev_pm_opp_get_freq_indexed(struct dev_pm_opp * opp,u32 index)215 static inline unsigned long dev_pm_opp_get_freq_indexed(struct dev_pm_opp *opp, u32 index)
216 {
217 	return 0;
218 }
219 
dev_pm_opp_get_level(struct dev_pm_opp * opp)220 static inline unsigned int dev_pm_opp_get_level(struct dev_pm_opp *opp)
221 {
222 	return 0;
223 }
224 
225 static inline
dev_pm_opp_get_required_pstate(struct dev_pm_opp * opp,unsigned int index)226 unsigned int dev_pm_opp_get_required_pstate(struct dev_pm_opp *opp,
227 					    unsigned int index)
228 {
229 	return 0;
230 }
231 
dev_pm_opp_is_turbo(struct dev_pm_opp * opp)232 static inline bool dev_pm_opp_is_turbo(struct dev_pm_opp *opp)
233 {
234 	return false;
235 }
236 
dev_pm_opp_get_opp_count(struct device * dev)237 static inline int dev_pm_opp_get_opp_count(struct device *dev)
238 {
239 	return 0;
240 }
241 
dev_pm_opp_get_max_clock_latency(struct device * dev)242 static inline unsigned long dev_pm_opp_get_max_clock_latency(struct device *dev)
243 {
244 	return 0;
245 }
246 
dev_pm_opp_get_max_volt_latency(struct device * dev)247 static inline unsigned long dev_pm_opp_get_max_volt_latency(struct device *dev)
248 {
249 	return 0;
250 }
251 
dev_pm_opp_get_max_transition_latency(struct device * dev)252 static inline unsigned long dev_pm_opp_get_max_transition_latency(struct device *dev)
253 {
254 	return 0;
255 }
256 
dev_pm_opp_get_suspend_opp_freq(struct device * dev)257 static inline unsigned long dev_pm_opp_get_suspend_opp_freq(struct device *dev)
258 {
259 	return 0;
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 
268 static inline struct dev_pm_opp *
dev_pm_opp_find_freq_exact_indexed(struct device * dev,unsigned long freq,u32 index,bool available)269 dev_pm_opp_find_freq_exact_indexed(struct device *dev, unsigned long freq,
270 				   u32 index, bool available)
271 {
272 	return ERR_PTR(-EOPNOTSUPP);
273 }
274 
dev_pm_opp_find_freq_floor(struct device * dev,unsigned long * freq)275 static inline struct dev_pm_opp *dev_pm_opp_find_freq_floor(struct device *dev,
276 					unsigned long *freq)
277 {
278 	return ERR_PTR(-EOPNOTSUPP);
279 }
280 
281 static inline struct dev_pm_opp *
dev_pm_opp_find_freq_floor_indexed(struct device * dev,unsigned long * freq,u32 index)282 dev_pm_opp_find_freq_floor_indexed(struct device *dev, unsigned long *freq, u32 index)
283 {
284 	return ERR_PTR(-EOPNOTSUPP);
285 }
286 
dev_pm_opp_find_freq_ceil(struct device * dev,unsigned long * freq)287 static inline struct dev_pm_opp *dev_pm_opp_find_freq_ceil(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_ceil_indexed(struct device * dev,unsigned long * freq,u32 index)294 dev_pm_opp_find_freq_ceil_indexed(struct device *dev, unsigned long *freq, u32 index)
295 {
296 	return ERR_PTR(-EOPNOTSUPP);
297 }
298 
dev_pm_opp_find_level_exact(struct device * dev,unsigned int level)299 static inline struct dev_pm_opp *dev_pm_opp_find_level_exact(struct device *dev,
300 					unsigned int level)
301 {
302 	return ERR_PTR(-EOPNOTSUPP);
303 }
304 
dev_pm_opp_find_level_ceil(struct device * dev,unsigned int * level)305 static inline struct dev_pm_opp *dev_pm_opp_find_level_ceil(struct device *dev,
306 					unsigned int *level)
307 {
308 	return ERR_PTR(-EOPNOTSUPP);
309 }
310 
dev_pm_opp_find_bw_ceil(struct device * dev,unsigned int * bw,int index)311 static inline struct dev_pm_opp *dev_pm_opp_find_bw_ceil(struct device *dev,
312 					unsigned int *bw, int index)
313 {
314 	return ERR_PTR(-EOPNOTSUPP);
315 }
316 
dev_pm_opp_find_bw_floor(struct device * dev,unsigned int * bw,int index)317 static inline struct dev_pm_opp *dev_pm_opp_find_bw_floor(struct device *dev,
318 					unsigned int *bw, int index)
319 {
320 	return ERR_PTR(-EOPNOTSUPP);
321 }
322 
dev_pm_opp_put(struct dev_pm_opp * opp)323 static inline void dev_pm_opp_put(struct dev_pm_opp *opp) {}
324 
dev_pm_opp_add(struct device * dev,unsigned long freq,unsigned long u_volt)325 static inline int dev_pm_opp_add(struct device *dev, unsigned long freq,
326 					unsigned long u_volt)
327 {
328 	return -EOPNOTSUPP;
329 }
330 
dev_pm_opp_remove(struct device * dev,unsigned long freq)331 static inline void dev_pm_opp_remove(struct device *dev, unsigned long freq)
332 {
333 }
334 
dev_pm_opp_remove_all_dynamic(struct device * dev)335 static inline void dev_pm_opp_remove_all_dynamic(struct device *dev)
336 {
337 }
338 
339 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)340 dev_pm_opp_adjust_voltage(struct device *dev, unsigned long freq,
341 			  unsigned long u_volt, unsigned long u_volt_min,
342 			  unsigned long u_volt_max)
343 {
344 	return 0;
345 }
346 
dev_pm_opp_enable(struct device * dev,unsigned long freq)347 static inline int dev_pm_opp_enable(struct device *dev, unsigned long freq)
348 {
349 	return 0;
350 }
351 
dev_pm_opp_disable(struct device * dev,unsigned long freq)352 static inline int dev_pm_opp_disable(struct device *dev, unsigned long freq)
353 {
354 	return 0;
355 }
356 
dev_pm_opp_register_notifier(struct device * dev,struct notifier_block * nb)357 static inline int dev_pm_opp_register_notifier(struct device *dev, struct notifier_block *nb)
358 {
359 	return -EOPNOTSUPP;
360 }
361 
dev_pm_opp_unregister_notifier(struct device * dev,struct notifier_block * nb)362 static inline int dev_pm_opp_unregister_notifier(struct device *dev, struct notifier_block *nb)
363 {
364 	return -EOPNOTSUPP;
365 }
366 
dev_pm_opp_set_config(struct device * dev,struct dev_pm_opp_config * config)367 static inline int dev_pm_opp_set_config(struct device *dev, struct dev_pm_opp_config *config)
368 {
369 	return -EOPNOTSUPP;
370 }
371 
devm_pm_opp_set_config(struct device * dev,struct dev_pm_opp_config * config)372 static inline int devm_pm_opp_set_config(struct device *dev, struct dev_pm_opp_config *config)
373 {
374 	return -EOPNOTSUPP;
375 }
376 
dev_pm_opp_clear_config(int token)377 static inline void dev_pm_opp_clear_config(int token) {}
378 
dev_pm_opp_config_clks_simple(struct device * dev,struct opp_table * opp_table,struct dev_pm_opp * opp,void * data,bool scaling_down)379 static inline int dev_pm_opp_config_clks_simple(struct device *dev,
380 		struct opp_table *opp_table, struct dev_pm_opp *opp, void *data,
381 		bool scaling_down)
382 {
383 	return -EOPNOTSUPP;
384 }
385 
dev_pm_opp_xlate_required_opp(struct opp_table * src_table,struct opp_table * dst_table,struct dev_pm_opp * src_opp)386 static inline struct dev_pm_opp *dev_pm_opp_xlate_required_opp(struct opp_table *src_table,
387 				struct opp_table *dst_table, struct dev_pm_opp *src_opp)
388 {
389 	return ERR_PTR(-EOPNOTSUPP);
390 }
391 
dev_pm_opp_xlate_performance_state(struct opp_table * src_table,struct opp_table * dst_table,unsigned int pstate)392 static inline int dev_pm_opp_xlate_performance_state(struct opp_table *src_table, struct opp_table *dst_table, unsigned int pstate)
393 {
394 	return -EOPNOTSUPP;
395 }
396 
dev_pm_opp_set_rate(struct device * dev,unsigned long target_freq)397 static inline int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq)
398 {
399 	return -EOPNOTSUPP;
400 }
401 
dev_pm_opp_set_opp(struct device * dev,struct dev_pm_opp * opp)402 static inline int dev_pm_opp_set_opp(struct device *dev, struct dev_pm_opp *opp)
403 {
404 	return -EOPNOTSUPP;
405 }
406 
dev_pm_opp_set_sharing_cpus(struct device * cpu_dev,const struct cpumask * cpumask)407 static inline int dev_pm_opp_set_sharing_cpus(struct device *cpu_dev, const struct cpumask *cpumask)
408 {
409 	return -EOPNOTSUPP;
410 }
411 
dev_pm_opp_get_sharing_cpus(struct device * cpu_dev,struct cpumask * cpumask)412 static inline int dev_pm_opp_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask)
413 {
414 	return -EINVAL;
415 }
416 
dev_pm_opp_remove_table(struct device * dev)417 static inline void dev_pm_opp_remove_table(struct device *dev)
418 {
419 }
420 
dev_pm_opp_cpumask_remove_table(const struct cpumask * cpumask)421 static inline void dev_pm_opp_cpumask_remove_table(const struct cpumask *cpumask)
422 {
423 }
424 
dev_pm_opp_sync_regulators(struct device * dev)425 static inline int dev_pm_opp_sync_regulators(struct device *dev)
426 {
427 	return -EOPNOTSUPP;
428 }
429 
430 #endif		/* CONFIG_PM_OPP */
431 
432 #if defined(CONFIG_PM_OPP) && defined(CONFIG_OF)
433 int dev_pm_opp_of_add_table(struct device *dev);
434 int dev_pm_opp_of_add_table_indexed(struct device *dev, int index);
435 int devm_pm_opp_of_add_table_indexed(struct device *dev, int index);
436 void dev_pm_opp_of_remove_table(struct device *dev);
437 int devm_pm_opp_of_add_table(struct device *dev);
438 int dev_pm_opp_of_cpumask_add_table(const struct cpumask *cpumask);
439 void dev_pm_opp_of_cpumask_remove_table(const struct cpumask *cpumask);
440 int dev_pm_opp_of_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask);
441 struct device_node *dev_pm_opp_of_get_opp_desc_node(struct device *dev);
442 struct device_node *dev_pm_opp_get_of_node(struct dev_pm_opp *opp);
443 int of_get_required_opp_performance_state(struct device_node *np, int index);
444 int dev_pm_opp_of_find_icc_paths(struct device *dev, struct opp_table *opp_table);
445 int dev_pm_opp_of_register_em(struct device *dev, struct cpumask *cpus);
dev_pm_opp_of_unregister_em(struct device * dev)446 static inline void dev_pm_opp_of_unregister_em(struct device *dev)
447 {
448 	em_dev_unregister_perf_domain(dev);
449 }
450 #else
dev_pm_opp_of_add_table(struct device * dev)451 static inline int dev_pm_opp_of_add_table(struct device *dev)
452 {
453 	return -EOPNOTSUPP;
454 }
455 
dev_pm_opp_of_add_table_indexed(struct device * dev,int index)456 static inline int dev_pm_opp_of_add_table_indexed(struct device *dev, int index)
457 {
458 	return -EOPNOTSUPP;
459 }
460 
devm_pm_opp_of_add_table_indexed(struct device * dev,int index)461 static inline int devm_pm_opp_of_add_table_indexed(struct device *dev, int index)
462 {
463 	return -EOPNOTSUPP;
464 }
465 
dev_pm_opp_of_remove_table(struct device * dev)466 static inline void dev_pm_opp_of_remove_table(struct device *dev)
467 {
468 }
469 
devm_pm_opp_of_add_table(struct device * dev)470 static inline int devm_pm_opp_of_add_table(struct device *dev)
471 {
472 	return -EOPNOTSUPP;
473 }
474 
dev_pm_opp_of_cpumask_add_table(const struct cpumask * cpumask)475 static inline int dev_pm_opp_of_cpumask_add_table(const struct cpumask *cpumask)
476 {
477 	return -EOPNOTSUPP;
478 }
479 
dev_pm_opp_of_cpumask_remove_table(const struct cpumask * cpumask)480 static inline void dev_pm_opp_of_cpumask_remove_table(const struct cpumask *cpumask)
481 {
482 }
483 
dev_pm_opp_of_get_sharing_cpus(struct device * cpu_dev,struct cpumask * cpumask)484 static inline int dev_pm_opp_of_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask)
485 {
486 	return -EOPNOTSUPP;
487 }
488 
dev_pm_opp_of_get_opp_desc_node(struct device * dev)489 static inline struct device_node *dev_pm_opp_of_get_opp_desc_node(struct device *dev)
490 {
491 	return NULL;
492 }
493 
dev_pm_opp_get_of_node(struct dev_pm_opp * opp)494 static inline struct device_node *dev_pm_opp_get_of_node(struct dev_pm_opp *opp)
495 {
496 	return NULL;
497 }
498 
dev_pm_opp_of_register_em(struct device * dev,struct cpumask * cpus)499 static inline int dev_pm_opp_of_register_em(struct device *dev,
500 					    struct cpumask *cpus)
501 {
502 	return -EOPNOTSUPP;
503 }
504 
dev_pm_opp_of_unregister_em(struct device * dev)505 static inline void dev_pm_opp_of_unregister_em(struct device *dev)
506 {
507 }
508 
of_get_required_opp_performance_state(struct device_node * np,int index)509 static inline int of_get_required_opp_performance_state(struct device_node *np, int index)
510 {
511 	return -EOPNOTSUPP;
512 }
513 
dev_pm_opp_of_find_icc_paths(struct device * dev,struct opp_table * opp_table)514 static inline int dev_pm_opp_of_find_icc_paths(struct device *dev, struct opp_table *opp_table)
515 {
516 	return -EOPNOTSUPP;
517 }
518 #endif
519 
520 /* OPP Configuration helpers */
521 
522 /* Regulators helpers */
dev_pm_opp_set_regulators(struct device * dev,const char * const names[])523 static inline int dev_pm_opp_set_regulators(struct device *dev,
524 					    const char * const names[])
525 {
526 	struct dev_pm_opp_config config = {
527 		.regulator_names = names,
528 	};
529 
530 	return dev_pm_opp_set_config(dev, &config);
531 }
532 
dev_pm_opp_put_regulators(int token)533 static inline void dev_pm_opp_put_regulators(int token)
534 {
535 	dev_pm_opp_clear_config(token);
536 }
537 
devm_pm_opp_set_regulators(struct device * dev,const char * const names[])538 static inline int devm_pm_opp_set_regulators(struct device *dev,
539 					     const char * const names[])
540 {
541 	struct dev_pm_opp_config config = {
542 		.regulator_names = names,
543 	};
544 
545 	return devm_pm_opp_set_config(dev, &config);
546 }
547 
548 /* Supported-hw helpers */
dev_pm_opp_set_supported_hw(struct device * dev,const u32 * versions,unsigned int count)549 static inline int dev_pm_opp_set_supported_hw(struct device *dev,
550 					      const u32 *versions,
551 					      unsigned int count)
552 {
553 	struct dev_pm_opp_config config = {
554 		.supported_hw = versions,
555 		.supported_hw_count = count,
556 	};
557 
558 	return dev_pm_opp_set_config(dev, &config);
559 }
560 
dev_pm_opp_put_supported_hw(int token)561 static inline void dev_pm_opp_put_supported_hw(int token)
562 {
563 	dev_pm_opp_clear_config(token);
564 }
565 
devm_pm_opp_set_supported_hw(struct device * dev,const u32 * versions,unsigned int count)566 static inline int devm_pm_opp_set_supported_hw(struct device *dev,
567 					       const u32 *versions,
568 					       unsigned int count)
569 {
570 	struct dev_pm_opp_config config = {
571 		.supported_hw = versions,
572 		.supported_hw_count = count,
573 	};
574 
575 	return devm_pm_opp_set_config(dev, &config);
576 }
577 
578 /* clkname helpers */
dev_pm_opp_set_clkname(struct device * dev,const char * name)579 static inline int dev_pm_opp_set_clkname(struct device *dev, const char *name)
580 {
581 	const char *names[] = { name, NULL };
582 	struct dev_pm_opp_config config = {
583 		.clk_names = names,
584 	};
585 
586 	return dev_pm_opp_set_config(dev, &config);
587 }
588 
dev_pm_opp_put_clkname(int token)589 static inline void dev_pm_opp_put_clkname(int token)
590 {
591 	dev_pm_opp_clear_config(token);
592 }
593 
devm_pm_opp_set_clkname(struct device * dev,const char * name)594 static inline int devm_pm_opp_set_clkname(struct device *dev, const char *name)
595 {
596 	const char *names[] = { name, NULL };
597 	struct dev_pm_opp_config config = {
598 		.clk_names = names,
599 	};
600 
601 	return devm_pm_opp_set_config(dev, &config);
602 }
603 
604 /* config-regulators helpers */
dev_pm_opp_set_config_regulators(struct device * dev,config_regulators_t helper)605 static inline int dev_pm_opp_set_config_regulators(struct device *dev,
606 						   config_regulators_t helper)
607 {
608 	struct dev_pm_opp_config config = {
609 		.config_regulators = helper,
610 	};
611 
612 	return dev_pm_opp_set_config(dev, &config);
613 }
614 
dev_pm_opp_put_config_regulators(int token)615 static inline void dev_pm_opp_put_config_regulators(int token)
616 {
617 	dev_pm_opp_clear_config(token);
618 }
619 
620 /* genpd helpers */
dev_pm_opp_attach_genpd(struct device * dev,const char * const * names,struct device *** virt_devs)621 static inline int dev_pm_opp_attach_genpd(struct device *dev,
622 					  const char * const *names,
623 					  struct device ***virt_devs)
624 {
625 	struct dev_pm_opp_config config = {
626 		.genpd_names = names,
627 		.virt_devs = virt_devs,
628 	};
629 
630 	return dev_pm_opp_set_config(dev, &config);
631 }
632 
dev_pm_opp_detach_genpd(int token)633 static inline void dev_pm_opp_detach_genpd(int token)
634 {
635 	dev_pm_opp_clear_config(token);
636 }
637 
devm_pm_opp_attach_genpd(struct device * dev,const char * const * names,struct device *** virt_devs)638 static inline int devm_pm_opp_attach_genpd(struct device *dev,
639 					   const char * const *names,
640 					   struct device ***virt_devs)
641 {
642 	struct dev_pm_opp_config config = {
643 		.genpd_names = names,
644 		.virt_devs = virt_devs,
645 	};
646 
647 	return devm_pm_opp_set_config(dev, &config);
648 }
649 
650 /* prop-name helpers */
dev_pm_opp_set_prop_name(struct device * dev,const char * name)651 static inline int dev_pm_opp_set_prop_name(struct device *dev, const char *name)
652 {
653 	struct dev_pm_opp_config config = {
654 		.prop_name = name,
655 	};
656 
657 	return dev_pm_opp_set_config(dev, &config);
658 }
659 
dev_pm_opp_put_prop_name(int token)660 static inline void dev_pm_opp_put_prop_name(int token)
661 {
662 	dev_pm_opp_clear_config(token);
663 }
664 
dev_pm_opp_get_freq(struct dev_pm_opp * opp)665 static inline unsigned long dev_pm_opp_get_freq(struct dev_pm_opp *opp)
666 {
667 	return dev_pm_opp_get_freq_indexed(opp, 0);
668 }
669 
670 #endif		/* __LINUX_OPP_H__ */
671