blob: f8429cad0db74d99fa234fe263e382e92776a609 [file] [log] [blame]
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
Daniel Lezcanocc9a0f62012-02-28 22:46:06 +0100300static inline bool prcmu_gic_pending_irq(void)
301{
302 if (cpu_is_u5500())
303 return -EINVAL;
304 else
305 return db8500_prcmu_gic_pending_irq();
306}
307
Daniel Lezcano9f60d332012-02-28 22:46:07 +0100308static inline int prcmu_copy_gic_settings(void)
309{
310 if (cpu_is_u5500())
311 return -EINVAL;
312 else
313 return db8500_prcmu_copy_gic_settings();
314}
315
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200316static inline int prcmu_set_epod(u16 epod_id, u8 epod_state)
317{
Mattias Nilsson05089012012-01-13 16:20:20 +0100318 if (cpu_is_u5500())
Mattias Nilsson73180f82011-08-12 10:28:10 +0200319 return -EINVAL;
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200320 else
321 return db8500_prcmu_set_epod(epod_id, epod_state);
322}
323
324static inline void prcmu_enable_wakeups(u32 wakeups)
325{
Mattias Nilsson05089012012-01-13 16:20:20 +0100326 if (cpu_is_u5500())
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200327 db5500_prcmu_enable_wakeups(wakeups);
328 else
329 db8500_prcmu_enable_wakeups(wakeups);
330}
331
332static inline void prcmu_disable_wakeups(void)
333{
334 prcmu_enable_wakeups(0);
335}
336
337static inline void prcmu_config_abb_event_readout(u32 abb_events)
338{
Mattias Nilsson05089012012-01-13 16:20:20 +0100339 if (cpu_is_u5500())
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200340 db5500_prcmu_config_abb_event_readout(abb_events);
341 else
342 db8500_prcmu_config_abb_event_readout(abb_events);
343}
344
345static inline void prcmu_get_abb_event_buffer(void __iomem **buf)
346{
Mattias Nilsson05089012012-01-13 16:20:20 +0100347 if (cpu_is_u5500())
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200348 db5500_prcmu_get_abb_event_buffer(buf);
349 else
350 db8500_prcmu_get_abb_event_buffer(buf);
351}
352
353int prcmu_abb_read(u8 slave, u8 reg, u8 *value, u8 size);
354int prcmu_abb_write(u8 slave, u8 reg, u8 *value, u8 size);
355
356int prcmu_config_clkout(u8 clkout, u8 source, u8 div);
357
358static inline int prcmu_request_clock(u8 clock, bool enable)
359{
Mattias Nilsson05089012012-01-13 16:20:20 +0100360 if (cpu_is_u5500())
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200361 return db5500_prcmu_request_clock(clock, enable);
362 else
363 return db8500_prcmu_request_clock(clock, enable);
364}
365
Mattias Nilsson05089012012-01-13 16:20:20 +0100366unsigned long prcmu_clock_rate(u8 clock);
367long prcmu_round_clock_rate(u8 clock, unsigned long rate);
368int prcmu_set_clock_rate(u8 clock, unsigned long rate);
369
370static inline int prcmu_set_ddr_opp(u8 opp)
371{
372 if (cpu_is_u5500())
373 return -EINVAL;
374 else
375 return db8500_prcmu_set_ddr_opp(opp);
376}
377static inline int prcmu_get_ddr_opp(void)
378{
379 if (cpu_is_u5500())
380 return -EINVAL;
381 else
382 return db8500_prcmu_get_ddr_opp();
383}
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200384
385static inline int prcmu_set_arm_opp(u8 opp)
386{
Mattias Nilsson05089012012-01-13 16:20:20 +0100387 if (cpu_is_u5500())
Mattias Nilsson73180f82011-08-12 10:28:10 +0200388 return -EINVAL;
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200389 else
390 return db8500_prcmu_set_arm_opp(opp);
391}
392
393static inline int prcmu_get_arm_opp(void)
394{
Mattias Nilsson05089012012-01-13 16:20:20 +0100395 if (cpu_is_u5500())
Mattias Nilsson73180f82011-08-12 10:28:10 +0200396 return -EINVAL;
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200397 else
398 return db8500_prcmu_get_arm_opp();
399}
400
Mattias Nilsson05089012012-01-13 16:20:20 +0100401static inline int prcmu_set_ape_opp(u8 opp)
402{
403 if (cpu_is_u5500())
404 return -EINVAL;
405 else
406 return db8500_prcmu_set_ape_opp(opp);
407}
408
409static inline int prcmu_get_ape_opp(void)
410{
411 if (cpu_is_u5500())
412 return -EINVAL;
413 else
414 return db8500_prcmu_get_ape_opp();
415}
416
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200417static inline void prcmu_system_reset(u16 reset_code)
418{
Mattias Nilsson05089012012-01-13 16:20:20 +0100419 if (cpu_is_u5500())
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200420 return db5500_prcmu_system_reset(reset_code);
421 else
422 return db8500_prcmu_system_reset(reset_code);
423}
424
425static inline u16 prcmu_get_reset_code(void)
426{
Mattias Nilsson05089012012-01-13 16:20:20 +0100427 if (cpu_is_u5500())
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200428 return db5500_prcmu_get_reset_code();
429 else
430 return db8500_prcmu_get_reset_code();
431}
432
433void prcmu_ac_wake_req(void);
434void prcmu_ac_sleep_req(void);
Mattias Nilsson05089012012-01-13 16:20:20 +0100435static inline void prcmu_modem_reset(void)
436{
437 if (cpu_is_u5500())
438 return;
439 else
440 return db8500_prcmu_modem_reset();
441}
442
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200443static inline bool prcmu_is_ac_wake_requested(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_is_ac_wake_requested();
447 else
448 return db8500_prcmu_is_ac_wake_requested();
449}
450
451static inline int prcmu_set_display_clocks(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_set_display_clocks();
455 else
456 return db8500_prcmu_set_display_clocks();
457}
458
459static inline int prcmu_disable_dsipll(void)
460{
Mattias Nilsson05089012012-01-13 16:20:20 +0100461 if (cpu_is_u5500())
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200462 return db5500_prcmu_disable_dsipll();
463 else
464 return db8500_prcmu_disable_dsipll();
465}
466
467static inline int prcmu_enable_dsipll(void)
468{
Mattias Nilsson05089012012-01-13 16:20:20 +0100469 if (cpu_is_u5500())
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200470 return db5500_prcmu_enable_dsipll();
471 else
472 return db8500_prcmu_enable_dsipll();
473}
474
475static inline int prcmu_config_esram0_deep_sleep(u8 state)
476{
Mattias Nilsson05089012012-01-13 16:20:20 +0100477 if (cpu_is_u5500())
Mattias Nilsson73180f82011-08-12 10:28:10 +0200478 return -EINVAL;
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200479 else
480 return db8500_prcmu_config_esram0_deep_sleep(state);
481}
Mattias Nilsson05089012012-01-13 16:20:20 +0100482
483static inline int prcmu_config_hotdog(u8 threshold)
484{
485 if (cpu_is_u5500())
486 return -EINVAL;
487 else
488 return db8500_prcmu_config_hotdog(threshold);
489}
490
491static inline int prcmu_config_hotmon(u8 low, u8 high)
492{
493 if (cpu_is_u5500())
494 return -EINVAL;
495 else
496 return db8500_prcmu_config_hotmon(low, high);
497}
498
499static inline int prcmu_start_temp_sense(u16 cycles32k)
500{
501 if (cpu_is_u5500())
502 return -EINVAL;
503 else
504 return db8500_prcmu_start_temp_sense(cycles32k);
505}
506
507static inline int prcmu_stop_temp_sense(void)
508{
509 if (cpu_is_u5500())
510 return -EINVAL;
511 else
512 return db8500_prcmu_stop_temp_sense();
513}
514
Mattias Nilssonb4a6dbd2012-01-13 16:21:00 +0100515static inline u32 prcmu_read(unsigned int reg)
516{
517 if (cpu_is_u5500())
518 return -EINVAL;
519 else
520 return db8500_prcmu_read(reg);
521}
522
523static inline void prcmu_write(unsigned int reg, u32 value)
524{
525 if (cpu_is_u5500())
526 return;
527 else
528 db8500_prcmu_write(reg, value);
529}
530
531static inline void prcmu_write_masked(unsigned int reg, u32 mask, u32 value)
532{
533 if (cpu_is_u5500())
534 return;
535 else
536 db8500_prcmu_write_masked(reg, mask, value);
537}
538
Mattias Nilsson05089012012-01-13 16:20:20 +0100539static inline int prcmu_enable_a9wdog(u8 id)
540{
541 if (cpu_is_u5500())
542 return -EINVAL;
543 else
544 return db8500_prcmu_enable_a9wdog(id);
545}
546
547static inline int prcmu_disable_a9wdog(u8 id)
548{
549 if (cpu_is_u5500())
550 return -EINVAL;
551 else
552 return db8500_prcmu_disable_a9wdog(id);
553}
554
555static inline int prcmu_kick_a9wdog(u8 id)
556{
557 if (cpu_is_u5500())
558 return -EINVAL;
559 else
560 return db8500_prcmu_kick_a9wdog(id);
561}
562
563static inline int prcmu_load_a9wdog(u8 id, u32 timeout)
564{
565 if (cpu_is_u5500())
566 return -EINVAL;
567 else
568 return db8500_prcmu_load_a9wdog(id, timeout);
569}
570
571static inline int prcmu_config_a9wdog(u8 num, bool sleep_auto_off)
572{
573 if (cpu_is_u5500())
574 return -EINVAL;
575 else
576 return db8500_prcmu_config_a9wdog(num, sleep_auto_off);
577}
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200578#else
579
580static inline void __init prcmu_early_init(void) {}
581
582static inline int prcmu_set_power_state(u8 state, bool keep_ulp_clk,
583 bool keep_ap_pll)
584{
585 return 0;
586}
587
588static inline int prcmu_set_epod(u16 epod_id, u8 epod_state)
589{
590 return 0;
591}
592
593static inline void prcmu_enable_wakeups(u32 wakeups) {}
594
595static inline void prcmu_disable_wakeups(void) {}
596
597static inline int prcmu_abb_read(u8 slave, u8 reg, u8 *value, u8 size)
598{
599 return -ENOSYS;
600}
601
602static inline int prcmu_abb_write(u8 slave, u8 reg, u8 *value, u8 size)
603{
604 return -ENOSYS;
605}
606
607static inline int prcmu_config_clkout(u8 clkout, u8 source, u8 div)
608{
609 return 0;
610}
611
612static inline int prcmu_request_clock(u8 clock, bool enable)
613{
614 return 0;
615}
616
Mattias Nilsson6b6fae22012-01-13 16:20:28 +0100617static inline long prcmu_round_clock_rate(u8 clock, unsigned long rate)
618{
619 return 0;
620}
621
622static inline int prcmu_set_clock_rate(u8 clock, unsigned long rate)
623{
624 return 0;
625}
626
627static inline unsigned long prcmu_clock_rate(u8 clock)
628{
629 return 0;
630}
631
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200632static inline int prcmu_set_ape_opp(u8 opp)
633{
634 return 0;
635}
636
637static inline int prcmu_get_ape_opp(void)
638{
639 return APE_100_OPP;
640}
641
642static inline int prcmu_set_arm_opp(u8 opp)
643{
644 return 0;
645}
646
647static inline int prcmu_get_arm_opp(void)
648{
649 return ARM_100_OPP;
650}
651
652static inline int prcmu_set_ddr_opp(u8 opp)
653{
654 return 0;
655}
656
657static inline int prcmu_get_ddr_opp(void)
658{
659 return DDR_100_OPP;
660}
661
662static inline void prcmu_system_reset(u16 reset_code) {}
663
664static inline u16 prcmu_get_reset_code(void)
665{
666 return 0;
667}
668
669static inline void prcmu_ac_wake_req(void) {}
670
671static inline void prcmu_ac_sleep_req(void) {}
672
673static inline void prcmu_modem_reset(void) {}
674
675static inline bool prcmu_is_ac_wake_requested(void)
676{
677 return false;
678}
679
680static inline int prcmu_set_display_clocks(void)
681{
682 return 0;
683}
684
685static inline int prcmu_disable_dsipll(void)
686{
687 return 0;
688}
689
690static inline int prcmu_enable_dsipll(void)
691{
692 return 0;
693}
694
695static inline int prcmu_config_esram0_deep_sleep(u8 state)
696{
697 return 0;
698}
699
700static inline void prcmu_config_abb_event_readout(u32 abb_events) {}
701
702static inline void prcmu_get_abb_event_buffer(void __iomem **buf)
703{
704 *buf = NULL;
705}
706
Mattias Nilsson05089012012-01-13 16:20:20 +0100707static inline int prcmu_config_hotdog(u8 threshold)
708{
709 return 0;
710}
711
712static inline int prcmu_config_hotmon(u8 low, u8 high)
713{
714 return 0;
715}
716
717static inline int prcmu_start_temp_sense(u16 cycles32k)
718{
719 return 0;
720}
721
722static inline int prcmu_stop_temp_sense(void)
723{
724 return 0;
725}
726
Mattias Nilssonb4a6dbd2012-01-13 16:21:00 +0100727static inline u32 prcmu_read(unsigned int reg)
728{
729 return 0;
730}
731
732static inline void prcmu_write(unsigned int reg, u32 value) {}
733
734static inline void prcmu_write_masked(unsigned int reg, u32 mask, u32 value) {}
735
736#endif
737
738static inline void prcmu_set(unsigned int reg, u32 bits)
739{
740 prcmu_write_masked(reg, bits, bits);
741}
742
743static inline void prcmu_clear(unsigned int reg, u32 bits)
744{
745 prcmu_write_masked(reg, bits, 0);
746}
747
748#if defined(CONFIG_UX500_SOC_DB8500) || defined(CONFIG_UX500_SOC_DB5500)
749
750/**
751 * prcmu_enable_spi2 - Enables pin muxing for SPI2 on OtherAlternateC1.
752 */
753static inline void prcmu_enable_spi2(void)
754{
755 if (cpu_is_u8500())
756 prcmu_set(DB8500_PRCM_GPIOCR, DB8500_PRCM_GPIOCR_SPI2_SELECT);
757}
758
759/**
760 * prcmu_disable_spi2 - Disables pin muxing for SPI2 on OtherAlternateC1.
761 */
762static inline void prcmu_disable_spi2(void)
763{
764 if (cpu_is_u8500())
765 prcmu_clear(DB8500_PRCM_GPIOCR, DB8500_PRCM_GPIOCR_SPI2_SELECT);
766}
767
768/**
769 * prcmu_enable_stm_mod_uart - Enables pin muxing for STMMOD
770 * and UARTMOD on OtherAlternateC3.
771 */
772static inline void prcmu_enable_stm_mod_uart(void)
773{
774 if (cpu_is_u8500()) {
775 prcmu_set(DB8500_PRCM_GPIOCR,
776 (DB8500_PRCM_GPIOCR_DBG_STM_MOD_CMD1 |
777 DB8500_PRCM_GPIOCR_DBG_UARTMOD_CMD0));
778 }
779}
780
781/**
782 * prcmu_disable_stm_mod_uart - Disables pin muxing for STMMOD
783 * and UARTMOD on OtherAlternateC3.
784 */
785static inline void prcmu_disable_stm_mod_uart(void)
786{
787 if (cpu_is_u8500()) {
788 prcmu_clear(DB8500_PRCM_GPIOCR,
789 (DB8500_PRCM_GPIOCR_DBG_STM_MOD_CMD1 |
790 DB8500_PRCM_GPIOCR_DBG_UARTMOD_CMD0));
791 }
792}
793
794/**
795 * prcmu_enable_stm_ape - Enables pin muxing for STM APE on OtherAlternateC1.
796 */
797static inline void prcmu_enable_stm_ape(void)
798{
799 if (cpu_is_u8500()) {
800 prcmu_set(DB8500_PRCM_GPIOCR,
801 DB8500_PRCM_GPIOCR_DBG_STM_APE_CMD);
802 }
803}
804
805/**
806 * prcmu_disable_stm_ape - Disables pin muxing for STM APE on OtherAlternateC1.
807 */
808static inline void prcmu_disable_stm_ape(void)
809{
810 if (cpu_is_u8500()) {
811 prcmu_clear(DB8500_PRCM_GPIOCR,
812 DB8500_PRCM_GPIOCR_DBG_STM_APE_CMD);
813 }
814}
815
816#else
817
818static inline void prcmu_enable_spi2(void) {}
819static inline void prcmu_disable_spi2(void) {}
820static inline void prcmu_enable_stm_mod_uart(void) {}
821static inline void prcmu_disable_stm_mod_uart(void) {}
822static inline void prcmu_enable_stm_ape(void) {}
823static inline void prcmu_disable_stm_ape(void) {}
824
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200825#endif
826
827/* PRCMU QoS APE OPP class */
828#define PRCMU_QOS_APE_OPP 1
829#define PRCMU_QOS_DDR_OPP 2
Mattias Nilsson4d64d2e2012-01-13 16:20:43 +0100830#define PRCMU_QOS_ARM_OPP 3
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200831#define PRCMU_QOS_DEFAULT_VALUE -1
832
Mattias Nilsson4d64d2e2012-01-13 16:20:43 +0100833#ifdef CONFIG_DBX500_PRCMU_QOS_POWER
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200834
835unsigned long prcmu_qos_get_cpufreq_opp_delay(void);
836void prcmu_qos_set_cpufreq_opp_delay(unsigned long);
837void prcmu_qos_force_opp(int, s32);
838int prcmu_qos_requirement(int pm_qos_class);
839int prcmu_qos_add_requirement(int pm_qos_class, char *name, s32 value);
840int prcmu_qos_update_requirement(int pm_qos_class, char *name, s32 new_value);
841void prcmu_qos_remove_requirement(int pm_qos_class, char *name);
842int prcmu_qos_add_notifier(int prcmu_qos_class,
843 struct notifier_block *notifier);
844int prcmu_qos_remove_notifier(int prcmu_qos_class,
845 struct notifier_block *notifier);
846
847#else
848
849static inline unsigned long prcmu_qos_get_cpufreq_opp_delay(void)
850{
851 return 0;
852}
853
854static inline void prcmu_qos_set_cpufreq_opp_delay(unsigned long n) {}
855
856static inline void prcmu_qos_force_opp(int prcmu_qos_class, s32 i) {}
857
858static inline int prcmu_qos_requirement(int prcmu_qos_class)
859{
860 return 0;
861}
862
863static inline int prcmu_qos_add_requirement(int prcmu_qos_class,
864 char *name, s32 value)
865{
866 return 0;
867}
868
869static inline int prcmu_qos_update_requirement(int prcmu_qos_class,
870 char *name, s32 new_value)
871{
872 return 0;
873}
874
875static inline void prcmu_qos_remove_requirement(int prcmu_qos_class, char *name)
876{
877}
878
879static inline int prcmu_qos_add_notifier(int prcmu_qos_class,
880 struct notifier_block *notifier)
881{
882 return 0;
883}
884static inline int prcmu_qos_remove_notifier(int prcmu_qos_class,
885 struct notifier_block *notifier)
886{
887 return 0;
888}
889
890#endif
891
892#endif /* __MACH_PRCMU_H */