xref: /linux/include/linux/mfd/dbx500-prcmu.h (revision 6ed7ffddcf61f668114edb676417e5fb33773b59)
1 /*
2  * Copyright (C) ST Ericsson SA 2011
3  *
4  * License Terms: GNU General Public License v2
5  *
6  * STE Ux500 PRCMU API
7  */
8 #ifndef __MACH_PRCMU_H
9 #define __MACH_PRCMU_H
10 
11 #include <linux/interrupt.h>
12 #include <linux/notifier.h>
13 #include <linux/err.h>
14 
15 /* Offset for the firmware version within the TCPM */
16 #define DB8500_PRCMU_FW_VERSION_OFFSET 0xA4
17 #define DBX540_PRCMU_FW_VERSION_OFFSET 0xA8
18 
19 /* PRCMU Wakeup defines */
20 enum prcmu_wakeup_index {
21 	PRCMU_WAKEUP_INDEX_RTC,
22 	PRCMU_WAKEUP_INDEX_RTT0,
23 	PRCMU_WAKEUP_INDEX_RTT1,
24 	PRCMU_WAKEUP_INDEX_HSI0,
25 	PRCMU_WAKEUP_INDEX_HSI1,
26 	PRCMU_WAKEUP_INDEX_USB,
27 	PRCMU_WAKEUP_INDEX_ABB,
28 	PRCMU_WAKEUP_INDEX_ABB_FIFO,
29 	PRCMU_WAKEUP_INDEX_ARM,
30 	PRCMU_WAKEUP_INDEX_CD_IRQ,
31 	NUM_PRCMU_WAKEUP_INDICES
32 };
33 #define PRCMU_WAKEUP(_name) (BIT(PRCMU_WAKEUP_INDEX_##_name))
34 
35 /* EPOD (power domain) IDs */
36 
37 /*
38  * DB8500 EPODs
39  * - EPOD_ID_SVAMMDSP: power domain for SVA MMDSP
40  * - EPOD_ID_SVAPIPE: power domain for SVA pipe
41  * - EPOD_ID_SIAMMDSP: power domain for SIA MMDSP
42  * - EPOD_ID_SIAPIPE: power domain for SIA pipe
43  * - EPOD_ID_SGA: power domain for SGA
44  * - EPOD_ID_B2R2_MCDE: power domain for B2R2 and MCDE
45  * - EPOD_ID_ESRAM12: power domain for ESRAM 1 and 2
46  * - EPOD_ID_ESRAM34: power domain for ESRAM 3 and 4
47  * - NUM_EPOD_ID: number of power domains
48  *
49  * TODO: These should be prefixed.
50  */
51 #define EPOD_ID_SVAMMDSP	0
52 #define EPOD_ID_SVAPIPE		1
53 #define EPOD_ID_SIAMMDSP	2
54 #define EPOD_ID_SIAPIPE		3
55 #define EPOD_ID_SGA		4
56 #define EPOD_ID_B2R2_MCDE	5
57 #define EPOD_ID_ESRAM12		6
58 #define EPOD_ID_ESRAM34		7
59 #define NUM_EPOD_ID		8
60 
61 /*
62  * state definition for EPOD (power domain)
63  * - EPOD_STATE_NO_CHANGE: The EPOD should remain unchanged
64  * - EPOD_STATE_OFF: The EPOD is switched off
65  * - EPOD_STATE_RAMRET: The EPOD is switched off with its internal RAM in
66  *                         retention
67  * - EPOD_STATE_ON_CLK_OFF: The EPOD is switched on, clock is still off
68  * - EPOD_STATE_ON: Same as above, but with clock enabled
69  */
70 #define EPOD_STATE_NO_CHANGE	0x00
71 #define EPOD_STATE_OFF		0x01
72 #define EPOD_STATE_RAMRET	0x02
73 #define EPOD_STATE_ON_CLK_OFF	0x03
74 #define EPOD_STATE_ON		0x04
75 
76 /*
77  * CLKOUT sources
78  */
79 #define PRCMU_CLKSRC_CLK38M		0x00
80 #define PRCMU_CLKSRC_ACLK		0x01
81 #define PRCMU_CLKSRC_SYSCLK		0x02
82 #define PRCMU_CLKSRC_LCDCLK		0x03
83 #define PRCMU_CLKSRC_SDMMCCLK		0x04
84 #define PRCMU_CLKSRC_TVCLK		0x05
85 #define PRCMU_CLKSRC_TIMCLK		0x06
86 #define PRCMU_CLKSRC_CLK009		0x07
87 /* These are only valid for CLKOUT1: */
88 #define PRCMU_CLKSRC_SIAMMDSPCLK	0x40
89 #define PRCMU_CLKSRC_I2CCLK		0x41
90 #define PRCMU_CLKSRC_MSP02CLK		0x42
91 #define PRCMU_CLKSRC_ARMPLL_OBSCLK	0x43
92 #define PRCMU_CLKSRC_HSIRXCLK		0x44
93 #define PRCMU_CLKSRC_HSITXCLK		0x45
94 #define PRCMU_CLKSRC_ARMCLKFIX		0x46
95 #define PRCMU_CLKSRC_HDMICLK		0x47
96 
97 /*
98  * Clock identifiers.
99  */
100 enum prcmu_clock {
101 	PRCMU_SGACLK,
102 	PRCMU_UARTCLK,
103 	PRCMU_MSP02CLK,
104 	PRCMU_MSP1CLK,
105 	PRCMU_I2CCLK,
106 	PRCMU_SDMMCCLK,
107 	PRCMU_SPARE1CLK,
108 	PRCMU_SLIMCLK,
109 	PRCMU_PER1CLK,
110 	PRCMU_PER2CLK,
111 	PRCMU_PER3CLK,
112 	PRCMU_PER5CLK,
113 	PRCMU_PER6CLK,
114 	PRCMU_PER7CLK,
115 	PRCMU_LCDCLK,
116 	PRCMU_BMLCLK,
117 	PRCMU_HSITXCLK,
118 	PRCMU_HSIRXCLK,
119 	PRCMU_HDMICLK,
120 	PRCMU_APEATCLK,
121 	PRCMU_APETRACECLK,
122 	PRCMU_MCDECLK,
123 	PRCMU_IPI2CCLK,
124 	PRCMU_DSIALTCLK,
125 	PRCMU_DMACLK,
126 	PRCMU_B2R2CLK,
127 	PRCMU_TVCLK,
128 	PRCMU_SSPCLK,
129 	PRCMU_RNGCLK,
130 	PRCMU_UICCCLK,
131 	PRCMU_PWMCLK,
132 	PRCMU_IRDACLK,
133 	PRCMU_IRRCCLK,
134 	PRCMU_SIACLK,
135 	PRCMU_SVACLK,
136 	PRCMU_ACLK,
137 	PRCMU_NUM_REG_CLOCKS,
138 	PRCMU_SYSCLK = PRCMU_NUM_REG_CLOCKS,
139 	PRCMU_CDCLK,
140 	PRCMU_TIMCLK,
141 	PRCMU_PLLSOC0,
142 	PRCMU_PLLSOC1,
143 	PRCMU_ARMSS,
144 	PRCMU_PLLDDR,
145 	PRCMU_PLLDSI,
146 	PRCMU_DSI0CLK,
147 	PRCMU_DSI1CLK,
148 	PRCMU_DSI0ESCCLK,
149 	PRCMU_DSI1ESCCLK,
150 	PRCMU_DSI2ESCCLK,
151 };
152 
153 /**
154  * enum prcmu_wdog_id - PRCMU watchdog IDs
155  * @PRCMU_WDOG_ALL: use all timers
156  * @PRCMU_WDOG_CPU1: use first CPU timer only
157  * @PRCMU_WDOG_CPU2: use second CPU timer conly
158  */
159 enum prcmu_wdog_id {
160 	PRCMU_WDOG_ALL = 0x00,
161 	PRCMU_WDOG_CPU1 = 0x01,
162 	PRCMU_WDOG_CPU2 = 0x02,
163 };
164 
165 /**
166  * enum ape_opp - APE OPP states definition
167  * @APE_OPP_INIT:
168  * @APE_NO_CHANGE: The APE operating point is unchanged
169  * @APE_100_OPP: The new APE operating point is ape100opp
170  * @APE_50_OPP: 50%
171  * @APE_50_PARTLY_25_OPP: 50%, except some clocks at 25%.
172  */
173 enum ape_opp {
174 	APE_OPP_INIT = 0x00,
175 	APE_NO_CHANGE = 0x01,
176 	APE_100_OPP = 0x02,
177 	APE_50_OPP = 0x03,
178 	APE_50_PARTLY_25_OPP = 0xFF,
179 };
180 
181 /**
182  * enum arm_opp - ARM OPP states definition
183  * @ARM_OPP_INIT:
184  * @ARM_NO_CHANGE: The ARM operating point is unchanged
185  * @ARM_100_OPP: The new ARM operating point is arm100opp
186  * @ARM_50_OPP: The new ARM operating point is arm50opp
187  * @ARM_MAX_OPP: Operating point is "max" (more than 100)
188  * @ARM_MAX_FREQ100OPP: Set max opp if available, else 100
189  * @ARM_EXTCLK: The new ARM operating point is armExtClk
190  */
191 enum arm_opp {
192 	ARM_OPP_INIT = 0x00,
193 	ARM_NO_CHANGE = 0x01,
194 	ARM_100_OPP = 0x02,
195 	ARM_50_OPP = 0x03,
196 	ARM_MAX_OPP = 0x04,
197 	ARM_MAX_FREQ100OPP = 0x05,
198 	ARM_EXTCLK = 0x07
199 };
200 
201 /**
202  * enum ddr_opp - DDR OPP states definition
203  * @DDR_100_OPP: The new DDR operating point is ddr100opp
204  * @DDR_50_OPP: The new DDR operating point is ddr50opp
205  * @DDR_25_OPP: The new DDR operating point is ddr25opp
206  */
207 enum ddr_opp {
208 	DDR_100_OPP = 0x00,
209 	DDR_50_OPP = 0x01,
210 	DDR_25_OPP = 0x02,
211 };
212 
213 /*
214  * Definitions for controlling ESRAM0 in deep sleep.
215  */
216 #define ESRAM0_DEEP_SLEEP_STATE_OFF 1
217 #define ESRAM0_DEEP_SLEEP_STATE_RET 2
218 
219 /**
220  * enum ddr_pwrst - DDR power states definition
221  * @DDR_PWR_STATE_UNCHANGED: SDRAM and DDR controller state is unchanged
222  * @DDR_PWR_STATE_ON:
223  * @DDR_PWR_STATE_OFFLOWLAT:
224  * @DDR_PWR_STATE_OFFHIGHLAT:
225  */
226 enum ddr_pwrst {
227 	DDR_PWR_STATE_UNCHANGED     = 0x00,
228 	DDR_PWR_STATE_ON            = 0x01,
229 	DDR_PWR_STATE_OFFLOWLAT     = 0x02,
230 	DDR_PWR_STATE_OFFHIGHLAT    = 0x03
231 };
232 
233 #define DB8500_PRCMU_LEGACY_OFFSET		0xDD4
234 
235 struct prcmu_pdata
236 {
237 	bool enable_set_ddr_opp;
238 	bool enable_ape_opp_100_voltage;
239 	struct ab8500_platform_data *ab_platdata;
240 	u32 version_offset;
241 	u32 legacy_offset;
242 	u32 adt_offset;
243 };
244 
245 #define PRCMU_FW_PROJECT_U8500		2
246 #define PRCMU_FW_PROJECT_U8400		3
247 #define PRCMU_FW_PROJECT_U9500		4 /* Customer specific */
248 #define PRCMU_FW_PROJECT_U8500_MBB	5
249 #define PRCMU_FW_PROJECT_U8500_C1	6
250 #define PRCMU_FW_PROJECT_U8500_C2	7
251 #define PRCMU_FW_PROJECT_U8500_C3	8
252 #define PRCMU_FW_PROJECT_U8500_C4	9
253 #define PRCMU_FW_PROJECT_U9500_MBL	10
254 #define PRCMU_FW_PROJECT_U8500_MBL	11 /* Customer specific */
255 #define PRCMU_FW_PROJECT_U8500_MBL2	12 /* Customer specific */
256 #define PRCMU_FW_PROJECT_U8520		13
257 #define PRCMU_FW_PROJECT_U8420		14
258 #define PRCMU_FW_PROJECT_A9420		20
259 /* [32..63] 9540 and derivatives */
260 #define PRCMU_FW_PROJECT_U9540		32
261 /* [64..95] 8540 and derivatives */
262 #define PRCMU_FW_PROJECT_L8540		64
263 /* [96..126] 8580 and derivatives */
264 #define PRCMU_FW_PROJECT_L8580		96
265 
266 #define PRCMU_FW_PROJECT_NAME_LEN	20
267 struct prcmu_fw_version {
268 	u32 project; /* Notice, project shifted with 8 on ux540 */
269 	u8 api_version;
270 	u8 func_version;
271 	u8 errata;
272 	char project_name[PRCMU_FW_PROJECT_NAME_LEN];
273 };
274 
275 #include <linux/mfd/db8500-prcmu.h>
276 
277 #if defined(CONFIG_UX500_SOC_DB8500)
278 
279 static inline void __init prcmu_early_init(void)
280 {
281 	return db8500_prcmu_early_init();
282 }
283 
284 static inline int prcmu_set_power_state(u8 state, bool keep_ulp_clk,
285 		bool keep_ap_pll)
286 {
287 	return db8500_prcmu_set_power_state(state, keep_ulp_clk,
288 		keep_ap_pll);
289 }
290 
291 static inline u8 prcmu_get_power_state_result(void)
292 {
293 	return db8500_prcmu_get_power_state_result();
294 }
295 
296 static inline int prcmu_gic_decouple(void)
297 {
298 	return db8500_prcmu_gic_decouple();
299 }
300 
301 static inline int prcmu_gic_recouple(void)
302 {
303 	return db8500_prcmu_gic_recouple();
304 }
305 
306 static inline bool prcmu_gic_pending_irq(void)
307 {
308 	return db8500_prcmu_gic_pending_irq();
309 }
310 
311 static inline bool prcmu_is_cpu_in_wfi(int cpu)
312 {
313 	return db8500_prcmu_is_cpu_in_wfi(cpu);
314 }
315 
316 static inline int prcmu_copy_gic_settings(void)
317 {
318 	return db8500_prcmu_copy_gic_settings();
319 }
320 
321 static inline bool prcmu_pending_irq(void)
322 {
323 	return db8500_prcmu_pending_irq();
324 }
325 
326 static inline int prcmu_set_epod(u16 epod_id, u8 epod_state)
327 {
328 	return db8500_prcmu_set_epod(epod_id, epod_state);
329 }
330 
331 static inline void prcmu_enable_wakeups(u32 wakeups)
332 {
333 	db8500_prcmu_enable_wakeups(wakeups);
334 }
335 
336 static inline void prcmu_disable_wakeups(void)
337 {
338 	prcmu_enable_wakeups(0);
339 }
340 
341 static inline void prcmu_config_abb_event_readout(u32 abb_events)
342 {
343 	db8500_prcmu_config_abb_event_readout(abb_events);
344 }
345 
346 static inline void prcmu_get_abb_event_buffer(void __iomem **buf)
347 {
348 	db8500_prcmu_get_abb_event_buffer(buf);
349 }
350 
351 int prcmu_abb_read(u8 slave, u8 reg, u8 *value, u8 size);
352 int prcmu_abb_write(u8 slave, u8 reg, u8 *value, u8 size);
353 int prcmu_abb_write_masked(u8 slave, u8 reg, u8 *value, u8 *mask, u8 size);
354 
355 int prcmu_config_clkout(u8 clkout, u8 source, u8 div);
356 
357 static inline int prcmu_request_clock(u8 clock, bool enable)
358 {
359 	return db8500_prcmu_request_clock(clock, enable);
360 }
361 
362 unsigned long prcmu_clock_rate(u8 clock);
363 long prcmu_round_clock_rate(u8 clock, unsigned long rate);
364 int prcmu_set_clock_rate(u8 clock, unsigned long rate);
365 
366 static inline int prcmu_set_ddr_opp(u8 opp)
367 {
368 	return db8500_prcmu_set_ddr_opp(opp);
369 }
370 static inline int prcmu_get_ddr_opp(void)
371 {
372 	return db8500_prcmu_get_ddr_opp();
373 }
374 
375 static inline int prcmu_set_arm_opp(u8 opp)
376 {
377 	return db8500_prcmu_set_arm_opp(opp);
378 }
379 
380 static inline int prcmu_get_arm_opp(void)
381 {
382 	return db8500_prcmu_get_arm_opp();
383 }
384 
385 static inline int prcmu_set_ape_opp(u8 opp)
386 {
387 	return db8500_prcmu_set_ape_opp(opp);
388 }
389 
390 static inline int prcmu_get_ape_opp(void)
391 {
392 	return db8500_prcmu_get_ape_opp();
393 }
394 
395 static inline int prcmu_request_ape_opp_100_voltage(bool enable)
396 {
397 	return db8500_prcmu_request_ape_opp_100_voltage(enable);
398 }
399 
400 static inline void prcmu_system_reset(u16 reset_code)
401 {
402 	return db8500_prcmu_system_reset(reset_code);
403 }
404 
405 static inline u16 prcmu_get_reset_code(void)
406 {
407 	return db8500_prcmu_get_reset_code();
408 }
409 
410 int prcmu_ac_wake_req(void);
411 void prcmu_ac_sleep_req(void);
412 static inline void prcmu_modem_reset(void)
413 {
414 	return db8500_prcmu_modem_reset();
415 }
416 
417 static inline bool prcmu_is_ac_wake_requested(void)
418 {
419 	return db8500_prcmu_is_ac_wake_requested();
420 }
421 
422 static inline int prcmu_set_display_clocks(void)
423 {
424 	return db8500_prcmu_set_display_clocks();
425 }
426 
427 static inline int prcmu_disable_dsipll(void)
428 {
429 	return db8500_prcmu_disable_dsipll();
430 }
431 
432 static inline int prcmu_enable_dsipll(void)
433 {
434 	return db8500_prcmu_enable_dsipll();
435 }
436 
437 static inline int prcmu_config_esram0_deep_sleep(u8 state)
438 {
439 	return db8500_prcmu_config_esram0_deep_sleep(state);
440 }
441 
442 static inline int prcmu_config_hotdog(u8 threshold)
443 {
444 	return db8500_prcmu_config_hotdog(threshold);
445 }
446 
447 static inline int prcmu_config_hotmon(u8 low, u8 high)
448 {
449 	return db8500_prcmu_config_hotmon(low, high);
450 }
451 
452 static inline int prcmu_start_temp_sense(u16 cycles32k)
453 {
454 	return  db8500_prcmu_start_temp_sense(cycles32k);
455 }
456 
457 static inline int prcmu_stop_temp_sense(void)
458 {
459 	return  db8500_prcmu_stop_temp_sense();
460 }
461 
462 static inline u32 prcmu_read(unsigned int reg)
463 {
464 	return db8500_prcmu_read(reg);
465 }
466 
467 static inline void prcmu_write(unsigned int reg, u32 value)
468 {
469 	db8500_prcmu_write(reg, value);
470 }
471 
472 static inline void prcmu_write_masked(unsigned int reg, u32 mask, u32 value)
473 {
474 	db8500_prcmu_write_masked(reg, mask, value);
475 }
476 
477 static inline int prcmu_enable_a9wdog(u8 id)
478 {
479 	return db8500_prcmu_enable_a9wdog(id);
480 }
481 
482 static inline int prcmu_disable_a9wdog(u8 id)
483 {
484 	return db8500_prcmu_disable_a9wdog(id);
485 }
486 
487 static inline int prcmu_kick_a9wdog(u8 id)
488 {
489 	return db8500_prcmu_kick_a9wdog(id);
490 }
491 
492 static inline int prcmu_load_a9wdog(u8 id, u32 timeout)
493 {
494 	return db8500_prcmu_load_a9wdog(id, timeout);
495 }
496 
497 static inline int prcmu_config_a9wdog(u8 num, bool sleep_auto_off)
498 {
499 	return db8500_prcmu_config_a9wdog(num, sleep_auto_off);
500 }
501 #else
502 
503 static inline void __init prcmu_early_init(void) {}
504 
505 static inline int prcmu_set_power_state(u8 state, bool keep_ulp_clk,
506 	bool keep_ap_pll)
507 {
508 	return 0;
509 }
510 
511 static inline int prcmu_set_epod(u16 epod_id, u8 epod_state)
512 {
513 	return 0;
514 }
515 
516 static inline void prcmu_enable_wakeups(u32 wakeups) {}
517 
518 static inline void prcmu_disable_wakeups(void) {}
519 
520 static inline int prcmu_abb_read(u8 slave, u8 reg, u8 *value, u8 size)
521 {
522 	return -ENOSYS;
523 }
524 
525 static inline int prcmu_abb_write(u8 slave, u8 reg, u8 *value, u8 size)
526 {
527 	return -ENOSYS;
528 }
529 
530 static inline int prcmu_abb_write_masked(u8 slave, u8 reg, u8 *value, u8 *mask,
531 	u8 size)
532 {
533 	return -ENOSYS;
534 }
535 
536 static inline int prcmu_config_clkout(u8 clkout, u8 source, u8 div)
537 {
538 	return 0;
539 }
540 
541 static inline int prcmu_request_clock(u8 clock, bool enable)
542 {
543 	return 0;
544 }
545 
546 static inline long prcmu_round_clock_rate(u8 clock, unsigned long rate)
547 {
548 	return 0;
549 }
550 
551 static inline int prcmu_set_clock_rate(u8 clock, unsigned long rate)
552 {
553 	return 0;
554 }
555 
556 static inline unsigned long prcmu_clock_rate(u8 clock)
557 {
558 	return 0;
559 }
560 
561 static inline int prcmu_set_ape_opp(u8 opp)
562 {
563 	return 0;
564 }
565 
566 static inline int prcmu_get_ape_opp(void)
567 {
568 	return APE_100_OPP;
569 }
570 
571 static inline int prcmu_request_ape_opp_100_voltage(bool enable)
572 {
573 	return 0;
574 }
575 
576 static inline int prcmu_set_arm_opp(u8 opp)
577 {
578 	return 0;
579 }
580 
581 static inline int prcmu_get_arm_opp(void)
582 {
583 	return ARM_100_OPP;
584 }
585 
586 static inline int prcmu_set_ddr_opp(u8 opp)
587 {
588 	return 0;
589 }
590 
591 static inline int prcmu_get_ddr_opp(void)
592 {
593 	return DDR_100_OPP;
594 }
595 
596 static inline void prcmu_system_reset(u16 reset_code) {}
597 
598 static inline u16 prcmu_get_reset_code(void)
599 {
600 	return 0;
601 }
602 
603 static inline int prcmu_ac_wake_req(void)
604 {
605 	return 0;
606 }
607 
608 static inline void prcmu_ac_sleep_req(void) {}
609 
610 static inline void prcmu_modem_reset(void) {}
611 
612 static inline bool prcmu_is_ac_wake_requested(void)
613 {
614 	return false;
615 }
616 
617 static inline int prcmu_set_display_clocks(void)
618 {
619 	return 0;
620 }
621 
622 static inline int prcmu_disable_dsipll(void)
623 {
624 	return 0;
625 }
626 
627 static inline int prcmu_enable_dsipll(void)
628 {
629 	return 0;
630 }
631 
632 static inline int prcmu_config_esram0_deep_sleep(u8 state)
633 {
634 	return 0;
635 }
636 
637 static inline void prcmu_config_abb_event_readout(u32 abb_events) {}
638 
639 static inline void prcmu_get_abb_event_buffer(void __iomem **buf)
640 {
641 	*buf = NULL;
642 }
643 
644 static inline int prcmu_config_hotdog(u8 threshold)
645 {
646 	return 0;
647 }
648 
649 static inline int prcmu_config_hotmon(u8 low, u8 high)
650 {
651 	return 0;
652 }
653 
654 static inline int prcmu_start_temp_sense(u16 cycles32k)
655 {
656 	return 0;
657 }
658 
659 static inline int prcmu_stop_temp_sense(void)
660 {
661 	return 0;
662 }
663 
664 static inline u32 prcmu_read(unsigned int reg)
665 {
666 	return 0;
667 }
668 
669 static inline void prcmu_write(unsigned int reg, u32 value) {}
670 
671 static inline void prcmu_write_masked(unsigned int reg, u32 mask, u32 value) {}
672 
673 #endif
674 
675 static inline void prcmu_set(unsigned int reg, u32 bits)
676 {
677 	prcmu_write_masked(reg, bits, bits);
678 }
679 
680 static inline void prcmu_clear(unsigned int reg, u32 bits)
681 {
682 	prcmu_write_masked(reg, bits, 0);
683 }
684 
685 /* PRCMU QoS APE OPP class */
686 #define PRCMU_QOS_APE_OPP 1
687 #define PRCMU_QOS_DDR_OPP 2
688 #define PRCMU_QOS_ARM_OPP 3
689 #define PRCMU_QOS_DEFAULT_VALUE -1
690 
691 #ifdef CONFIG_DBX500_PRCMU_QOS_POWER
692 
693 unsigned long prcmu_qos_get_cpufreq_opp_delay(void);
694 void prcmu_qos_set_cpufreq_opp_delay(unsigned long);
695 void prcmu_qos_force_opp(int, s32);
696 int prcmu_qos_requirement(int pm_qos_class);
697 int prcmu_qos_add_requirement(int pm_qos_class, char *name, s32 value);
698 int prcmu_qos_update_requirement(int pm_qos_class, char *name, s32 new_value);
699 void prcmu_qos_remove_requirement(int pm_qos_class, char *name);
700 int prcmu_qos_add_notifier(int prcmu_qos_class,
701 			   struct notifier_block *notifier);
702 int prcmu_qos_remove_notifier(int prcmu_qos_class,
703 			      struct notifier_block *notifier);
704 
705 #else
706 
707 static inline unsigned long prcmu_qos_get_cpufreq_opp_delay(void)
708 {
709 	return 0;
710 }
711 
712 static inline void prcmu_qos_set_cpufreq_opp_delay(unsigned long n) {}
713 
714 static inline void prcmu_qos_force_opp(int prcmu_qos_class, s32 i) {}
715 
716 static inline int prcmu_qos_requirement(int prcmu_qos_class)
717 {
718 	return 0;
719 }
720 
721 static inline int prcmu_qos_add_requirement(int prcmu_qos_class,
722 					    char *name, s32 value)
723 {
724 	return 0;
725 }
726 
727 static inline int prcmu_qos_update_requirement(int prcmu_qos_class,
728 					       char *name, s32 new_value)
729 {
730 	return 0;
731 }
732 
733 static inline void prcmu_qos_remove_requirement(int prcmu_qos_class, char *name)
734 {
735 }
736 
737 static inline int prcmu_qos_add_notifier(int prcmu_qos_class,
738 					 struct notifier_block *notifier)
739 {
740 	return 0;
741 }
742 static inline int prcmu_qos_remove_notifier(int prcmu_qos_class,
743 					    struct notifier_block *notifier)
744 {
745 	return 0;
746 }
747 
748 #endif
749 
750 #endif /* __MACH_PRCMU_H */
751