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Mattias Nilssonfea799e2011-08-12 10:28:02 +02001/*
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>
Mattias Nilsson05089012012-01-13 16:20:20 +010013#include <linux/err.h>
Mattias Nilssonfea799e2011-08-12 10:28:02 +020014
15/* PRCMU Wakeup defines */
16enum prcmu_wakeup_index {
17 PRCMU_WAKEUP_INDEX_RTC,
18 PRCMU_WAKEUP_INDEX_RTT0,
19 PRCMU_WAKEUP_INDEX_RTT1,
20 PRCMU_WAKEUP_INDEX_HSI0,
21 PRCMU_WAKEUP_INDEX_HSI1,
22 PRCMU_WAKEUP_INDEX_USB,
23 PRCMU_WAKEUP_INDEX_ABB,
24 PRCMU_WAKEUP_INDEX_ABB_FIFO,
25 PRCMU_WAKEUP_INDEX_ARM,
26 PRCMU_WAKEUP_INDEX_CD_IRQ,
27 NUM_PRCMU_WAKEUP_INDICES
28};
29#define PRCMU_WAKEUP(_name) (BIT(PRCMU_WAKEUP_INDEX_##_name))
30
31/* EPOD (power domain) IDs */
32
33/*
34 * DB8500 EPODs
35 * - EPOD_ID_SVAMMDSP: power domain for SVA MMDSP
36 * - EPOD_ID_SVAPIPE: power domain for SVA pipe
37 * - EPOD_ID_SIAMMDSP: power domain for SIA MMDSP
38 * - EPOD_ID_SIAPIPE: power domain for SIA pipe
39 * - EPOD_ID_SGA: power domain for SGA
40 * - EPOD_ID_B2R2_MCDE: power domain for B2R2 and MCDE
41 * - EPOD_ID_ESRAM12: power domain for ESRAM 1 and 2
42 * - EPOD_ID_ESRAM34: power domain for ESRAM 3 and 4
43 * - NUM_EPOD_ID: number of power domains
44 *
45 * TODO: These should be prefixed.
46 */
47#define EPOD_ID_SVAMMDSP 0
48#define EPOD_ID_SVAPIPE 1
49#define EPOD_ID_SIAMMDSP 2
50#define EPOD_ID_SIAPIPE 3
51#define EPOD_ID_SGA 4
52#define EPOD_ID_B2R2_MCDE 5
53#define EPOD_ID_ESRAM12 6
54#define EPOD_ID_ESRAM34 7
55#define NUM_EPOD_ID 8
56
57/*
58 * DB5500 EPODs
59 */
60#define DB5500_EPOD_ID_BASE 0x0100
61#define DB5500_EPOD_ID_SGA (DB5500_EPOD_ID_BASE + 0)
62#define DB5500_EPOD_ID_HVA (DB5500_EPOD_ID_BASE + 1)
63#define DB5500_EPOD_ID_SIA (DB5500_EPOD_ID_BASE + 2)
64#define DB5500_EPOD_ID_DISP (DB5500_EPOD_ID_BASE + 3)
65#define DB5500_EPOD_ID_ESRAM12 (DB5500_EPOD_ID_BASE + 6)
66#define DB5500_NUM_EPOD_ID 7
67
68/*
69 * state definition for EPOD (power domain)
70 * - EPOD_STATE_NO_CHANGE: The EPOD should remain unchanged
71 * - EPOD_STATE_OFF: The EPOD is switched off
72 * - EPOD_STATE_RAMRET: The EPOD is switched off with its internal RAM in
73 * retention
74 * - EPOD_STATE_ON_CLK_OFF: The EPOD is switched on, clock is still off
75 * - EPOD_STATE_ON: Same as above, but with clock enabled
76 */
77#define EPOD_STATE_NO_CHANGE 0x00
78#define EPOD_STATE_OFF 0x01
79#define EPOD_STATE_RAMRET 0x02
80#define EPOD_STATE_ON_CLK_OFF 0x03
81#define EPOD_STATE_ON 0x04
82
Mattias Nilsson6b6fae22012-01-13 16:20:28 +010083/* DB5500 CLKOUT IDs */
84enum {
85 DB5500_CLKOUT0 = 0,
86 DB5500_CLKOUT1,
87};
88
89/* DB5500 CLKOUTx sources */
90enum {
91 DB5500_CLKOUT_REF_CLK_SEL0,
92 DB5500_CLKOUT_RTC_CLK0_SEL0,
93 DB5500_CLKOUT_ULP_CLK_SEL0,
94 DB5500_CLKOUT_STATIC0,
95 DB5500_CLKOUT_REFCLK,
96 DB5500_CLKOUT_ULPCLK,
97 DB5500_CLKOUT_ARMCLK,
98 DB5500_CLKOUT_SYSACC0CLK,
99 DB5500_CLKOUT_SOC0PLLCLK,
100 DB5500_CLKOUT_SOC1PLLCLK,
101 DB5500_CLKOUT_DDRPLLCLK,
102 DB5500_CLKOUT_TVCLK,
103 DB5500_CLKOUT_IRDACLK,
104};
105
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200106/*
107 * CLKOUT sources
108 */
109#define PRCMU_CLKSRC_CLK38M 0x00
110#define PRCMU_CLKSRC_ACLK 0x01
111#define PRCMU_CLKSRC_SYSCLK 0x02
112#define PRCMU_CLKSRC_LCDCLK 0x03
113#define PRCMU_CLKSRC_SDMMCCLK 0x04
114#define PRCMU_CLKSRC_TVCLK 0x05
115#define PRCMU_CLKSRC_TIMCLK 0x06
116#define PRCMU_CLKSRC_CLK009 0x07
117/* These are only valid for CLKOUT1: */
118#define PRCMU_CLKSRC_SIAMMDSPCLK 0x40
119#define PRCMU_CLKSRC_I2CCLK 0x41
120#define PRCMU_CLKSRC_MSP02CLK 0x42
121#define PRCMU_CLKSRC_ARMPLL_OBSCLK 0x43
122#define PRCMU_CLKSRC_HSIRXCLK 0x44
123#define PRCMU_CLKSRC_HSITXCLK 0x45
124#define PRCMU_CLKSRC_ARMCLKFIX 0x46
125#define PRCMU_CLKSRC_HDMICLK 0x47
126
127/*
128 * Clock identifiers.
129 */
130enum prcmu_clock {
131 PRCMU_SGACLK,
132 PRCMU_UARTCLK,
133 PRCMU_MSP02CLK,
134 PRCMU_MSP1CLK,
135 PRCMU_I2CCLK,
136 PRCMU_SDMMCCLK,
Mattias Nilsson6b6fae22012-01-13 16:20:28 +0100137 PRCMU_SPARE1CLK,
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200138 PRCMU_SLIMCLK,
139 PRCMU_PER1CLK,
140 PRCMU_PER2CLK,
141 PRCMU_PER3CLK,
142 PRCMU_PER5CLK,
143 PRCMU_PER6CLK,
144 PRCMU_PER7CLK,
145 PRCMU_LCDCLK,
146 PRCMU_BMLCLK,
147 PRCMU_HSITXCLK,
148 PRCMU_HSIRXCLK,
149 PRCMU_HDMICLK,
150 PRCMU_APEATCLK,
151 PRCMU_APETRACECLK,
152 PRCMU_MCDECLK,
153 PRCMU_IPI2CCLK,
154 PRCMU_DSIALTCLK,
155 PRCMU_DMACLK,
156 PRCMU_B2R2CLK,
157 PRCMU_TVCLK,
158 PRCMU_SSPCLK,
159 PRCMU_RNGCLK,
160 PRCMU_UICCCLK,
161 PRCMU_PWMCLK,
162 PRCMU_IRDACLK,
163 PRCMU_IRRCCLK,
164 PRCMU_SIACLK,
165 PRCMU_SVACLK,
Mattias Nilsson6b6fae22012-01-13 16:20:28 +0100166 PRCMU_ACLK,
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200167 PRCMU_NUM_REG_CLOCKS,
168 PRCMU_SYSCLK = PRCMU_NUM_REG_CLOCKS,
Mattias Nilsson6b6fae22012-01-13 16:20:28 +0100169 PRCMU_CDCLK,
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200170 PRCMU_TIMCLK,
171 PRCMU_PLLSOC0,
172 PRCMU_PLLSOC1,
173 PRCMU_PLLDDR,
Mattias Nilsson6b6fae22012-01-13 16:20:28 +0100174 PRCMU_PLLDSI,
175 PRCMU_DSI0CLK,
176 PRCMU_DSI1CLK,
177 PRCMU_DSI0ESCCLK,
178 PRCMU_DSI1ESCCLK,
179 PRCMU_DSI2ESCCLK,
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200180};
181
182/**
183 * enum ape_opp - APE OPP states definition
184 * @APE_OPP_INIT:
185 * @APE_NO_CHANGE: The APE operating point is unchanged
186 * @APE_100_OPP: The new APE operating point is ape100opp
187 * @APE_50_OPP: 50%
Mattias Nilsson4d64d2e2012-01-13 16:20:43 +0100188 * @APE_50_PARTLY_25_OPP: 50%, except some clocks at 25%.
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200189 */
190enum ape_opp {
191 APE_OPP_INIT = 0x00,
192 APE_NO_CHANGE = 0x01,
193 APE_100_OPP = 0x02,
Mattias Nilsson4d64d2e2012-01-13 16:20:43 +0100194 APE_50_OPP = 0x03,
195 APE_50_PARTLY_25_OPP = 0xFF,
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200196};
197
198/**
199 * enum arm_opp - ARM OPP states definition
200 * @ARM_OPP_INIT:
201 * @ARM_NO_CHANGE: The ARM operating point is unchanged
202 * @ARM_100_OPP: The new ARM operating point is arm100opp
203 * @ARM_50_OPP: The new ARM operating point is arm50opp
204 * @ARM_MAX_OPP: Operating point is "max" (more than 100)
205 * @ARM_MAX_FREQ100OPP: Set max opp if available, else 100
206 * @ARM_EXTCLK: The new ARM operating point is armExtClk
207 */
208enum arm_opp {
209 ARM_OPP_INIT = 0x00,
210 ARM_NO_CHANGE = 0x01,
211 ARM_100_OPP = 0x02,
212 ARM_50_OPP = 0x03,
213 ARM_MAX_OPP = 0x04,
214 ARM_MAX_FREQ100OPP = 0x05,
215 ARM_EXTCLK = 0x07
216};
217
218/**
219 * enum ddr_opp - DDR OPP states definition
220 * @DDR_100_OPP: The new DDR operating point is ddr100opp
221 * @DDR_50_OPP: The new DDR operating point is ddr50opp
222 * @DDR_25_OPP: The new DDR operating point is ddr25opp
223 */
224enum ddr_opp {
225 DDR_100_OPP = 0x00,
226 DDR_50_OPP = 0x01,
227 DDR_25_OPP = 0x02,
228};
229
230/*
231 * Definitions for controlling ESRAM0 in deep sleep.
232 */
233#define ESRAM0_DEEP_SLEEP_STATE_OFF 1
234#define ESRAM0_DEEP_SLEEP_STATE_RET 2
235
236/**
237 * enum ddr_pwrst - DDR power states definition
238 * @DDR_PWR_STATE_UNCHANGED: SDRAM and DDR controller state is unchanged
239 * @DDR_PWR_STATE_ON:
240 * @DDR_PWR_STATE_OFFLOWLAT:
241 * @DDR_PWR_STATE_OFFHIGHLAT:
242 */
243enum ddr_pwrst {
244 DDR_PWR_STATE_UNCHANGED = 0x00,
245 DDR_PWR_STATE_ON = 0x01,
246 DDR_PWR_STATE_OFFLOWLAT = 0x02,
247 DDR_PWR_STATE_OFFHIGHLAT = 0x03
248};
249
250#include <linux/mfd/db8500-prcmu.h>
251#include <linux/mfd/db5500-prcmu.h>
252
253#if defined(CONFIG_UX500_SOC_DB8500) || defined(CONFIG_UX500_SOC_DB5500)
254
Mattias Nilsson05089012012-01-13 16:20:20 +0100255#include <mach/id.h>
256
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200257static inline void __init prcmu_early_init(void)
258{
Mattias Nilsson05089012012-01-13 16:20:20 +0100259 if (cpu_is_u5500())
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200260 return db5500_prcmu_early_init();
261 else
262 return db8500_prcmu_early_init();
263}
264
265static inline int prcmu_set_power_state(u8 state, bool keep_ulp_clk,
266 bool keep_ap_pll)
267{
Mattias Nilsson05089012012-01-13 16:20:20 +0100268 if (cpu_is_u5500())
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200269 return db5500_prcmu_set_power_state(state, keep_ulp_clk,
270 keep_ap_pll);
271 else
272 return db8500_prcmu_set_power_state(state, keep_ulp_clk,
273 keep_ap_pll);
274}
275
Mattias Nilsson4d64d2e2012-01-13 16:20:43 +0100276static inline u8 prcmu_get_power_state_result(void)
277{
278 if (cpu_is_u5500())
279 return -EINVAL;
280 else
281 return db8500_prcmu_get_power_state_result();
282}
283
Daniel Lezcano485540d2012-02-20 12:30:26 +0100284static inline int prcmu_gic_decouple(void)
285{
286 if (cpu_is_u5500())
287 return -EINVAL;
288 else
289 return db8500_prcmu_gic_decouple();
290}
291
292static inline int prcmu_gic_recouple(void)
293{
294 if (cpu_is_u5500())
295 return -EINVAL;
296 else
297 return db8500_prcmu_gic_recouple();
298}
299
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200300static inline int prcmu_set_epod(u16 epod_id, u8 epod_state)
301{
Mattias Nilsson05089012012-01-13 16:20:20 +0100302 if (cpu_is_u5500())
Mattias Nilsson73180f82011-08-12 10:28:10 +0200303 return -EINVAL;
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200304 else
305 return db8500_prcmu_set_epod(epod_id, epod_state);
306}
307
308static inline void prcmu_enable_wakeups(u32 wakeups)
309{
Mattias Nilsson05089012012-01-13 16:20:20 +0100310 if (cpu_is_u5500())
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200311 db5500_prcmu_enable_wakeups(wakeups);
312 else
313 db8500_prcmu_enable_wakeups(wakeups);
314}
315
316static inline void prcmu_disable_wakeups(void)
317{
318 prcmu_enable_wakeups(0);
319}
320
321static inline void prcmu_config_abb_event_readout(u32 abb_events)
322{
Mattias Nilsson05089012012-01-13 16:20:20 +0100323 if (cpu_is_u5500())
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200324 db5500_prcmu_config_abb_event_readout(abb_events);
325 else
326 db8500_prcmu_config_abb_event_readout(abb_events);
327}
328
329static inline void prcmu_get_abb_event_buffer(void __iomem **buf)
330{
Mattias Nilsson05089012012-01-13 16:20:20 +0100331 if (cpu_is_u5500())
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200332 db5500_prcmu_get_abb_event_buffer(buf);
333 else
334 db8500_prcmu_get_abb_event_buffer(buf);
335}
336
337int prcmu_abb_read(u8 slave, u8 reg, u8 *value, u8 size);
338int prcmu_abb_write(u8 slave, u8 reg, u8 *value, u8 size);
339
340int prcmu_config_clkout(u8 clkout, u8 source, u8 div);
341
342static inline int prcmu_request_clock(u8 clock, bool enable)
343{
Mattias Nilsson05089012012-01-13 16:20:20 +0100344 if (cpu_is_u5500())
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200345 return db5500_prcmu_request_clock(clock, enable);
346 else
347 return db8500_prcmu_request_clock(clock, enable);
348}
349
Mattias Nilsson05089012012-01-13 16:20:20 +0100350unsigned long prcmu_clock_rate(u8 clock);
351long prcmu_round_clock_rate(u8 clock, unsigned long rate);
352int prcmu_set_clock_rate(u8 clock, unsigned long rate);
353
354static inline int prcmu_set_ddr_opp(u8 opp)
355{
356 if (cpu_is_u5500())
357 return -EINVAL;
358 else
359 return db8500_prcmu_set_ddr_opp(opp);
360}
361static inline int prcmu_get_ddr_opp(void)
362{
363 if (cpu_is_u5500())
364 return -EINVAL;
365 else
366 return db8500_prcmu_get_ddr_opp();
367}
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200368
369static inline int prcmu_set_arm_opp(u8 opp)
370{
Mattias Nilsson05089012012-01-13 16:20:20 +0100371 if (cpu_is_u5500())
Mattias Nilsson73180f82011-08-12 10:28:10 +0200372 return -EINVAL;
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200373 else
374 return db8500_prcmu_set_arm_opp(opp);
375}
376
377static inline int prcmu_get_arm_opp(void)
378{
Mattias Nilsson05089012012-01-13 16:20:20 +0100379 if (cpu_is_u5500())
Mattias Nilsson73180f82011-08-12 10:28:10 +0200380 return -EINVAL;
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200381 else
382 return db8500_prcmu_get_arm_opp();
383}
384
Mattias Nilsson05089012012-01-13 16:20:20 +0100385static inline int prcmu_set_ape_opp(u8 opp)
386{
387 if (cpu_is_u5500())
388 return -EINVAL;
389 else
390 return db8500_prcmu_set_ape_opp(opp);
391}
392
393static inline int prcmu_get_ape_opp(void)
394{
395 if (cpu_is_u5500())
396 return -EINVAL;
397 else
398 return db8500_prcmu_get_ape_opp();
399}
400
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200401static inline void prcmu_system_reset(u16 reset_code)
402{
Mattias Nilsson05089012012-01-13 16:20:20 +0100403 if (cpu_is_u5500())
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200404 return db5500_prcmu_system_reset(reset_code);
405 else
406 return db8500_prcmu_system_reset(reset_code);
407}
408
409static inline u16 prcmu_get_reset_code(void)
410{
Mattias Nilsson05089012012-01-13 16:20:20 +0100411 if (cpu_is_u5500())
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200412 return db5500_prcmu_get_reset_code();
413 else
414 return db8500_prcmu_get_reset_code();
415}
416
417void prcmu_ac_wake_req(void);
418void prcmu_ac_sleep_req(void);
Mattias Nilsson05089012012-01-13 16:20:20 +0100419static inline void prcmu_modem_reset(void)
420{
421 if (cpu_is_u5500())
422 return;
423 else
424 return db8500_prcmu_modem_reset();
425}
426
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200427static inline bool prcmu_is_ac_wake_requested(void)
428{
Mattias Nilsson05089012012-01-13 16:20:20 +0100429 if (cpu_is_u5500())
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200430 return db5500_prcmu_is_ac_wake_requested();
431 else
432 return db8500_prcmu_is_ac_wake_requested();
433}
434
435static inline int prcmu_set_display_clocks(void)
436{
Mattias Nilsson05089012012-01-13 16:20:20 +0100437 if (cpu_is_u5500())
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200438 return db5500_prcmu_set_display_clocks();
439 else
440 return db8500_prcmu_set_display_clocks();
441}
442
443static inline int prcmu_disable_dsipll(void)
444{
Mattias Nilsson05089012012-01-13 16:20:20 +0100445 if (cpu_is_u5500())
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200446 return db5500_prcmu_disable_dsipll();
447 else
448 return db8500_prcmu_disable_dsipll();
449}
450
451static inline int prcmu_enable_dsipll(void)
452{
Mattias Nilsson05089012012-01-13 16:20:20 +0100453 if (cpu_is_u5500())
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200454 return db5500_prcmu_enable_dsipll();
455 else
456 return db8500_prcmu_enable_dsipll();
457}
458
459static inline int prcmu_config_esram0_deep_sleep(u8 state)
460{
Mattias Nilsson05089012012-01-13 16:20:20 +0100461 if (cpu_is_u5500())
Mattias Nilsson73180f82011-08-12 10:28:10 +0200462 return -EINVAL;
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200463 else
464 return db8500_prcmu_config_esram0_deep_sleep(state);
465}
Mattias Nilsson05089012012-01-13 16:20:20 +0100466
467static inline int prcmu_config_hotdog(u8 threshold)
468{
469 if (cpu_is_u5500())
470 return -EINVAL;
471 else
472 return db8500_prcmu_config_hotdog(threshold);
473}
474
475static inline int prcmu_config_hotmon(u8 low, u8 high)
476{
477 if (cpu_is_u5500())
478 return -EINVAL;
479 else
480 return db8500_prcmu_config_hotmon(low, high);
481}
482
483static inline int prcmu_start_temp_sense(u16 cycles32k)
484{
485 if (cpu_is_u5500())
486 return -EINVAL;
487 else
488 return db8500_prcmu_start_temp_sense(cycles32k);
489}
490
491static inline int prcmu_stop_temp_sense(void)
492{
493 if (cpu_is_u5500())
494 return -EINVAL;
495 else
496 return db8500_prcmu_stop_temp_sense();
497}
498
Mattias Nilssonb4a6dbd2012-01-13 16:21:00 +0100499static inline u32 prcmu_read(unsigned int reg)
500{
501 if (cpu_is_u5500())
502 return -EINVAL;
503 else
504 return db8500_prcmu_read(reg);
505}
506
507static inline void prcmu_write(unsigned int reg, u32 value)
508{
509 if (cpu_is_u5500())
510 return;
511 else
512 db8500_prcmu_write(reg, value);
513}
514
515static inline void prcmu_write_masked(unsigned int reg, u32 mask, u32 value)
516{
517 if (cpu_is_u5500())
518 return;
519 else
520 db8500_prcmu_write_masked(reg, mask, value);
521}
522
Mattias Nilsson05089012012-01-13 16:20:20 +0100523static inline int prcmu_enable_a9wdog(u8 id)
524{
525 if (cpu_is_u5500())
526 return -EINVAL;
527 else
528 return db8500_prcmu_enable_a9wdog(id);
529}
530
531static inline int prcmu_disable_a9wdog(u8 id)
532{
533 if (cpu_is_u5500())
534 return -EINVAL;
535 else
536 return db8500_prcmu_disable_a9wdog(id);
537}
538
539static inline int prcmu_kick_a9wdog(u8 id)
540{
541 if (cpu_is_u5500())
542 return -EINVAL;
543 else
544 return db8500_prcmu_kick_a9wdog(id);
545}
546
547static inline int prcmu_load_a9wdog(u8 id, u32 timeout)
548{
549 if (cpu_is_u5500())
550 return -EINVAL;
551 else
552 return db8500_prcmu_load_a9wdog(id, timeout);
553}
554
555static inline int prcmu_config_a9wdog(u8 num, bool sleep_auto_off)
556{
557 if (cpu_is_u5500())
558 return -EINVAL;
559 else
560 return db8500_prcmu_config_a9wdog(num, sleep_auto_off);
561}
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200562#else
563
564static inline void __init prcmu_early_init(void) {}
565
566static inline int prcmu_set_power_state(u8 state, bool keep_ulp_clk,
567 bool keep_ap_pll)
568{
569 return 0;
570}
571
572static inline int prcmu_set_epod(u16 epod_id, u8 epod_state)
573{
574 return 0;
575}
576
577static inline void prcmu_enable_wakeups(u32 wakeups) {}
578
579static inline void prcmu_disable_wakeups(void) {}
580
581static inline int prcmu_abb_read(u8 slave, u8 reg, u8 *value, u8 size)
582{
583 return -ENOSYS;
584}
585
586static inline int prcmu_abb_write(u8 slave, u8 reg, u8 *value, u8 size)
587{
588 return -ENOSYS;
589}
590
591static inline int prcmu_config_clkout(u8 clkout, u8 source, u8 div)
592{
593 return 0;
594}
595
596static inline int prcmu_request_clock(u8 clock, bool enable)
597{
598 return 0;
599}
600
Mattias Nilsson6b6fae22012-01-13 16:20:28 +0100601static inline long prcmu_round_clock_rate(u8 clock, unsigned long rate)
602{
603 return 0;
604}
605
606static inline int prcmu_set_clock_rate(u8 clock, unsigned long rate)
607{
608 return 0;
609}
610
611static inline unsigned long prcmu_clock_rate(u8 clock)
612{
613 return 0;
614}
615
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200616static inline int prcmu_set_ape_opp(u8 opp)
617{
618 return 0;
619}
620
621static inline int prcmu_get_ape_opp(void)
622{
623 return APE_100_OPP;
624}
625
626static inline int prcmu_set_arm_opp(u8 opp)
627{
628 return 0;
629}
630
631static inline int prcmu_get_arm_opp(void)
632{
633 return ARM_100_OPP;
634}
635
636static inline int prcmu_set_ddr_opp(u8 opp)
637{
638 return 0;
639}
640
641static inline int prcmu_get_ddr_opp(void)
642{
643 return DDR_100_OPP;
644}
645
646static inline void prcmu_system_reset(u16 reset_code) {}
647
648static inline u16 prcmu_get_reset_code(void)
649{
650 return 0;
651}
652
653static inline void prcmu_ac_wake_req(void) {}
654
655static inline void prcmu_ac_sleep_req(void) {}
656
657static inline void prcmu_modem_reset(void) {}
658
659static inline bool prcmu_is_ac_wake_requested(void)
660{
661 return false;
662}
663
664static inline int prcmu_set_display_clocks(void)
665{
666 return 0;
667}
668
669static inline int prcmu_disable_dsipll(void)
670{
671 return 0;
672}
673
674static inline int prcmu_enable_dsipll(void)
675{
676 return 0;
677}
678
679static inline int prcmu_config_esram0_deep_sleep(u8 state)
680{
681 return 0;
682}
683
684static inline void prcmu_config_abb_event_readout(u32 abb_events) {}
685
686static inline void prcmu_get_abb_event_buffer(void __iomem **buf)
687{
688 *buf = NULL;
689}
690
Mattias Nilsson05089012012-01-13 16:20:20 +0100691static inline int prcmu_config_hotdog(u8 threshold)
692{
693 return 0;
694}
695
696static inline int prcmu_config_hotmon(u8 low, u8 high)
697{
698 return 0;
699}
700
701static inline int prcmu_start_temp_sense(u16 cycles32k)
702{
703 return 0;
704}
705
706static inline int prcmu_stop_temp_sense(void)
707{
708 return 0;
709}
710
Mattias Nilssonb4a6dbd2012-01-13 16:21:00 +0100711static inline u32 prcmu_read(unsigned int reg)
712{
713 return 0;
714}
715
716static inline void prcmu_write(unsigned int reg, u32 value) {}
717
718static inline void prcmu_write_masked(unsigned int reg, u32 mask, u32 value) {}
719
720#endif
721
722static inline void prcmu_set(unsigned int reg, u32 bits)
723{
724 prcmu_write_masked(reg, bits, bits);
725}
726
727static inline void prcmu_clear(unsigned int reg, u32 bits)
728{
729 prcmu_write_masked(reg, bits, 0);
730}
731
732#if defined(CONFIG_UX500_SOC_DB8500) || defined(CONFIG_UX500_SOC_DB5500)
733
734/**
735 * prcmu_enable_spi2 - Enables pin muxing for SPI2 on OtherAlternateC1.
736 */
737static inline void prcmu_enable_spi2(void)
738{
739 if (cpu_is_u8500())
740 prcmu_set(DB8500_PRCM_GPIOCR, DB8500_PRCM_GPIOCR_SPI2_SELECT);
741}
742
743/**
744 * prcmu_disable_spi2 - Disables pin muxing for SPI2 on OtherAlternateC1.
745 */
746static inline void prcmu_disable_spi2(void)
747{
748 if (cpu_is_u8500())
749 prcmu_clear(DB8500_PRCM_GPIOCR, DB8500_PRCM_GPIOCR_SPI2_SELECT);
750}
751
752/**
753 * prcmu_enable_stm_mod_uart - Enables pin muxing for STMMOD
754 * and UARTMOD on OtherAlternateC3.
755 */
756static inline void prcmu_enable_stm_mod_uart(void)
757{
758 if (cpu_is_u8500()) {
759 prcmu_set(DB8500_PRCM_GPIOCR,
760 (DB8500_PRCM_GPIOCR_DBG_STM_MOD_CMD1 |
761 DB8500_PRCM_GPIOCR_DBG_UARTMOD_CMD0));
762 }
763}
764
765/**
766 * prcmu_disable_stm_mod_uart - Disables pin muxing for STMMOD
767 * and UARTMOD on OtherAlternateC3.
768 */
769static inline void prcmu_disable_stm_mod_uart(void)
770{
771 if (cpu_is_u8500()) {
772 prcmu_clear(DB8500_PRCM_GPIOCR,
773 (DB8500_PRCM_GPIOCR_DBG_STM_MOD_CMD1 |
774 DB8500_PRCM_GPIOCR_DBG_UARTMOD_CMD0));
775 }
776}
777
778/**
779 * prcmu_enable_stm_ape - Enables pin muxing for STM APE on OtherAlternateC1.
780 */
781static inline void prcmu_enable_stm_ape(void)
782{
783 if (cpu_is_u8500()) {
784 prcmu_set(DB8500_PRCM_GPIOCR,
785 DB8500_PRCM_GPIOCR_DBG_STM_APE_CMD);
786 }
787}
788
789/**
790 * prcmu_disable_stm_ape - Disables pin muxing for STM APE on OtherAlternateC1.
791 */
792static inline void prcmu_disable_stm_ape(void)
793{
794 if (cpu_is_u8500()) {
795 prcmu_clear(DB8500_PRCM_GPIOCR,
796 DB8500_PRCM_GPIOCR_DBG_STM_APE_CMD);
797 }
798}
799
800#else
801
802static inline void prcmu_enable_spi2(void) {}
803static inline void prcmu_disable_spi2(void) {}
804static inline void prcmu_enable_stm_mod_uart(void) {}
805static inline void prcmu_disable_stm_mod_uart(void) {}
806static inline void prcmu_enable_stm_ape(void) {}
807static inline void prcmu_disable_stm_ape(void) {}
808
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200809#endif
810
811/* PRCMU QoS APE OPP class */
812#define PRCMU_QOS_APE_OPP 1
813#define PRCMU_QOS_DDR_OPP 2
Mattias Nilsson4d64d2e2012-01-13 16:20:43 +0100814#define PRCMU_QOS_ARM_OPP 3
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200815#define PRCMU_QOS_DEFAULT_VALUE -1
816
Mattias Nilsson4d64d2e2012-01-13 16:20:43 +0100817#ifdef CONFIG_DBX500_PRCMU_QOS_POWER
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200818
819unsigned long prcmu_qos_get_cpufreq_opp_delay(void);
820void prcmu_qos_set_cpufreq_opp_delay(unsigned long);
821void prcmu_qos_force_opp(int, s32);
822int prcmu_qos_requirement(int pm_qos_class);
823int prcmu_qos_add_requirement(int pm_qos_class, char *name, s32 value);
824int prcmu_qos_update_requirement(int pm_qos_class, char *name, s32 new_value);
825void prcmu_qos_remove_requirement(int pm_qos_class, char *name);
826int prcmu_qos_add_notifier(int prcmu_qos_class,
827 struct notifier_block *notifier);
828int prcmu_qos_remove_notifier(int prcmu_qos_class,
829 struct notifier_block *notifier);
830
831#else
832
833static inline unsigned long prcmu_qos_get_cpufreq_opp_delay(void)
834{
835 return 0;
836}
837
838static inline void prcmu_qos_set_cpufreq_opp_delay(unsigned long n) {}
839
840static inline void prcmu_qos_force_opp(int prcmu_qos_class, s32 i) {}
841
842static inline int prcmu_qos_requirement(int prcmu_qos_class)
843{
844 return 0;
845}
846
847static inline int prcmu_qos_add_requirement(int prcmu_qos_class,
848 char *name, s32 value)
849{
850 return 0;
851}
852
853static inline int prcmu_qos_update_requirement(int prcmu_qos_class,
854 char *name, s32 new_value)
855{
856 return 0;
857}
858
859static inline void prcmu_qos_remove_requirement(int prcmu_qos_class, char *name)
860{
861}
862
863static inline int prcmu_qos_add_notifier(int prcmu_qos_class,
864 struct notifier_block *notifier)
865{
866 return 0;
867}
868static inline int prcmu_qos_remove_notifier(int prcmu_qos_class,
869 struct notifier_block *notifier)
870{
871 return 0;
872}
873
874#endif
875
876#endif /* __MACH_PRCMU_H */