blob: 16418747dad146ba2f9409f886c38e0b33f5b8e3 [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
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200308static inline int prcmu_set_epod(u16 epod_id, u8 epod_state)
309{
Mattias Nilsson05089012012-01-13 16:20:20 +0100310 if (cpu_is_u5500())
Mattias Nilsson73180f82011-08-12 10:28:10 +0200311 return -EINVAL;
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200312 else
313 return db8500_prcmu_set_epod(epod_id, epod_state);
314}
315
316static inline void prcmu_enable_wakeups(u32 wakeups)
317{
Mattias Nilsson05089012012-01-13 16:20:20 +0100318 if (cpu_is_u5500())
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200319 db5500_prcmu_enable_wakeups(wakeups);
320 else
321 db8500_prcmu_enable_wakeups(wakeups);
322}
323
324static inline void prcmu_disable_wakeups(void)
325{
326 prcmu_enable_wakeups(0);
327}
328
329static inline void prcmu_config_abb_event_readout(u32 abb_events)
330{
Mattias Nilsson05089012012-01-13 16:20:20 +0100331 if (cpu_is_u5500())
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200332 db5500_prcmu_config_abb_event_readout(abb_events);
333 else
334 db8500_prcmu_config_abb_event_readout(abb_events);
335}
336
337static inline void prcmu_get_abb_event_buffer(void __iomem **buf)
338{
Mattias Nilsson05089012012-01-13 16:20:20 +0100339 if (cpu_is_u5500())
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200340 db5500_prcmu_get_abb_event_buffer(buf);
341 else
342 db8500_prcmu_get_abb_event_buffer(buf);
343}
344
345int prcmu_abb_read(u8 slave, u8 reg, u8 *value, u8 size);
346int prcmu_abb_write(u8 slave, u8 reg, u8 *value, u8 size);
347
348int prcmu_config_clkout(u8 clkout, u8 source, u8 div);
349
350static inline int prcmu_request_clock(u8 clock, bool enable)
351{
Mattias Nilsson05089012012-01-13 16:20:20 +0100352 if (cpu_is_u5500())
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200353 return db5500_prcmu_request_clock(clock, enable);
354 else
355 return db8500_prcmu_request_clock(clock, enable);
356}
357
Mattias Nilsson05089012012-01-13 16:20:20 +0100358unsigned long prcmu_clock_rate(u8 clock);
359long prcmu_round_clock_rate(u8 clock, unsigned long rate);
360int prcmu_set_clock_rate(u8 clock, unsigned long rate);
361
362static inline int prcmu_set_ddr_opp(u8 opp)
363{
364 if (cpu_is_u5500())
365 return -EINVAL;
366 else
367 return db8500_prcmu_set_ddr_opp(opp);
368}
369static inline int prcmu_get_ddr_opp(void)
370{
371 if (cpu_is_u5500())
372 return -EINVAL;
373 else
374 return db8500_prcmu_get_ddr_opp();
375}
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200376
377static inline int prcmu_set_arm_opp(u8 opp)
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_set_arm_opp(opp);
383}
384
385static inline int prcmu_get_arm_opp(void)
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_get_arm_opp();
391}
392
Mattias Nilsson05089012012-01-13 16:20:20 +0100393static inline int prcmu_set_ape_opp(u8 opp)
394{
395 if (cpu_is_u5500())
396 return -EINVAL;
397 else
398 return db8500_prcmu_set_ape_opp(opp);
399}
400
401static inline int prcmu_get_ape_opp(void)
402{
403 if (cpu_is_u5500())
404 return -EINVAL;
405 else
406 return db8500_prcmu_get_ape_opp();
407}
408
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200409static inline void prcmu_system_reset(u16 reset_code)
410{
Mattias Nilsson05089012012-01-13 16:20:20 +0100411 if (cpu_is_u5500())
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200412 return db5500_prcmu_system_reset(reset_code);
413 else
414 return db8500_prcmu_system_reset(reset_code);
415}
416
417static inline u16 prcmu_get_reset_code(void)
418{
Mattias Nilsson05089012012-01-13 16:20:20 +0100419 if (cpu_is_u5500())
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200420 return db5500_prcmu_get_reset_code();
421 else
422 return db8500_prcmu_get_reset_code();
423}
424
425void prcmu_ac_wake_req(void);
426void prcmu_ac_sleep_req(void);
Mattias Nilsson05089012012-01-13 16:20:20 +0100427static inline void prcmu_modem_reset(void)
428{
429 if (cpu_is_u5500())
430 return;
431 else
432 return db8500_prcmu_modem_reset();
433}
434
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200435static inline bool prcmu_is_ac_wake_requested(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_is_ac_wake_requested();
439 else
440 return db8500_prcmu_is_ac_wake_requested();
441}
442
443static inline int prcmu_set_display_clocks(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_set_display_clocks();
447 else
448 return db8500_prcmu_set_display_clocks();
449}
450
451static inline int prcmu_disable_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_disable_dsipll();
455 else
456 return db8500_prcmu_disable_dsipll();
457}
458
459static inline int prcmu_enable_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_enable_dsipll();
463 else
464 return db8500_prcmu_enable_dsipll();
465}
466
467static inline int prcmu_config_esram0_deep_sleep(u8 state)
468{
Mattias Nilsson05089012012-01-13 16:20:20 +0100469 if (cpu_is_u5500())
Mattias Nilsson73180f82011-08-12 10:28:10 +0200470 return -EINVAL;
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200471 else
472 return db8500_prcmu_config_esram0_deep_sleep(state);
473}
Mattias Nilsson05089012012-01-13 16:20:20 +0100474
475static inline int prcmu_config_hotdog(u8 threshold)
476{
477 if (cpu_is_u5500())
478 return -EINVAL;
479 else
480 return db8500_prcmu_config_hotdog(threshold);
481}
482
483static inline int prcmu_config_hotmon(u8 low, u8 high)
484{
485 if (cpu_is_u5500())
486 return -EINVAL;
487 else
488 return db8500_prcmu_config_hotmon(low, high);
489}
490
491static inline int prcmu_start_temp_sense(u16 cycles32k)
492{
493 if (cpu_is_u5500())
494 return -EINVAL;
495 else
496 return db8500_prcmu_start_temp_sense(cycles32k);
497}
498
499static inline int prcmu_stop_temp_sense(void)
500{
501 if (cpu_is_u5500())
502 return -EINVAL;
503 else
504 return db8500_prcmu_stop_temp_sense();
505}
506
Mattias Nilssonb4a6dbd2012-01-13 16:21:00 +0100507static inline u32 prcmu_read(unsigned int reg)
508{
509 if (cpu_is_u5500())
510 return -EINVAL;
511 else
512 return db8500_prcmu_read(reg);
513}
514
515static inline void prcmu_write(unsigned int reg, u32 value)
516{
517 if (cpu_is_u5500())
518 return;
519 else
520 db8500_prcmu_write(reg, value);
521}
522
523static inline void prcmu_write_masked(unsigned int reg, u32 mask, u32 value)
524{
525 if (cpu_is_u5500())
526 return;
527 else
528 db8500_prcmu_write_masked(reg, mask, value);
529}
530
Mattias Nilsson05089012012-01-13 16:20:20 +0100531static inline int prcmu_enable_a9wdog(u8 id)
532{
533 if (cpu_is_u5500())
534 return -EINVAL;
535 else
536 return db8500_prcmu_enable_a9wdog(id);
537}
538
539static inline int prcmu_disable_a9wdog(u8 id)
540{
541 if (cpu_is_u5500())
542 return -EINVAL;
543 else
544 return db8500_prcmu_disable_a9wdog(id);
545}
546
547static inline int prcmu_kick_a9wdog(u8 id)
548{
549 if (cpu_is_u5500())
550 return -EINVAL;
551 else
552 return db8500_prcmu_kick_a9wdog(id);
553}
554
555static inline int prcmu_load_a9wdog(u8 id, u32 timeout)
556{
557 if (cpu_is_u5500())
558 return -EINVAL;
559 else
560 return db8500_prcmu_load_a9wdog(id, timeout);
561}
562
563static inline int prcmu_config_a9wdog(u8 num, bool sleep_auto_off)
564{
565 if (cpu_is_u5500())
566 return -EINVAL;
567 else
568 return db8500_prcmu_config_a9wdog(num, sleep_auto_off);
569}
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200570#else
571
572static inline void __init prcmu_early_init(void) {}
573
574static inline int prcmu_set_power_state(u8 state, bool keep_ulp_clk,
575 bool keep_ap_pll)
576{
577 return 0;
578}
579
580static inline int prcmu_set_epod(u16 epod_id, u8 epod_state)
581{
582 return 0;
583}
584
585static inline void prcmu_enable_wakeups(u32 wakeups) {}
586
587static inline void prcmu_disable_wakeups(void) {}
588
589static inline int prcmu_abb_read(u8 slave, u8 reg, u8 *value, u8 size)
590{
591 return -ENOSYS;
592}
593
594static inline int prcmu_abb_write(u8 slave, u8 reg, u8 *value, u8 size)
595{
596 return -ENOSYS;
597}
598
599static inline int prcmu_config_clkout(u8 clkout, u8 source, u8 div)
600{
601 return 0;
602}
603
604static inline int prcmu_request_clock(u8 clock, bool enable)
605{
606 return 0;
607}
608
Mattias Nilsson6b6fae22012-01-13 16:20:28 +0100609static inline long prcmu_round_clock_rate(u8 clock, unsigned long rate)
610{
611 return 0;
612}
613
614static inline int prcmu_set_clock_rate(u8 clock, unsigned long rate)
615{
616 return 0;
617}
618
619static inline unsigned long prcmu_clock_rate(u8 clock)
620{
621 return 0;
622}
623
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200624static inline int prcmu_set_ape_opp(u8 opp)
625{
626 return 0;
627}
628
629static inline int prcmu_get_ape_opp(void)
630{
631 return APE_100_OPP;
632}
633
634static inline int prcmu_set_arm_opp(u8 opp)
635{
636 return 0;
637}
638
639static inline int prcmu_get_arm_opp(void)
640{
641 return ARM_100_OPP;
642}
643
644static inline int prcmu_set_ddr_opp(u8 opp)
645{
646 return 0;
647}
648
649static inline int prcmu_get_ddr_opp(void)
650{
651 return DDR_100_OPP;
652}
653
654static inline void prcmu_system_reset(u16 reset_code) {}
655
656static inline u16 prcmu_get_reset_code(void)
657{
658 return 0;
659}
660
661static inline void prcmu_ac_wake_req(void) {}
662
663static inline void prcmu_ac_sleep_req(void) {}
664
665static inline void prcmu_modem_reset(void) {}
666
667static inline bool prcmu_is_ac_wake_requested(void)
668{
669 return false;
670}
671
672static inline int prcmu_set_display_clocks(void)
673{
674 return 0;
675}
676
677static inline int prcmu_disable_dsipll(void)
678{
679 return 0;
680}
681
682static inline int prcmu_enable_dsipll(void)
683{
684 return 0;
685}
686
687static inline int prcmu_config_esram0_deep_sleep(u8 state)
688{
689 return 0;
690}
691
692static inline void prcmu_config_abb_event_readout(u32 abb_events) {}
693
694static inline void prcmu_get_abb_event_buffer(void __iomem **buf)
695{
696 *buf = NULL;
697}
698
Mattias Nilsson05089012012-01-13 16:20:20 +0100699static inline int prcmu_config_hotdog(u8 threshold)
700{
701 return 0;
702}
703
704static inline int prcmu_config_hotmon(u8 low, u8 high)
705{
706 return 0;
707}
708
709static inline int prcmu_start_temp_sense(u16 cycles32k)
710{
711 return 0;
712}
713
714static inline int prcmu_stop_temp_sense(void)
715{
716 return 0;
717}
718
Mattias Nilssonb4a6dbd2012-01-13 16:21:00 +0100719static inline u32 prcmu_read(unsigned int reg)
720{
721 return 0;
722}
723
724static inline void prcmu_write(unsigned int reg, u32 value) {}
725
726static inline void prcmu_write_masked(unsigned int reg, u32 mask, u32 value) {}
727
728#endif
729
730static inline void prcmu_set(unsigned int reg, u32 bits)
731{
732 prcmu_write_masked(reg, bits, bits);
733}
734
735static inline void prcmu_clear(unsigned int reg, u32 bits)
736{
737 prcmu_write_masked(reg, bits, 0);
738}
739
740#if defined(CONFIG_UX500_SOC_DB8500) || defined(CONFIG_UX500_SOC_DB5500)
741
742/**
743 * prcmu_enable_spi2 - Enables pin muxing for SPI2 on OtherAlternateC1.
744 */
745static inline void prcmu_enable_spi2(void)
746{
747 if (cpu_is_u8500())
748 prcmu_set(DB8500_PRCM_GPIOCR, DB8500_PRCM_GPIOCR_SPI2_SELECT);
749}
750
751/**
752 * prcmu_disable_spi2 - Disables pin muxing for SPI2 on OtherAlternateC1.
753 */
754static inline void prcmu_disable_spi2(void)
755{
756 if (cpu_is_u8500())
757 prcmu_clear(DB8500_PRCM_GPIOCR, DB8500_PRCM_GPIOCR_SPI2_SELECT);
758}
759
760/**
761 * prcmu_enable_stm_mod_uart - Enables pin muxing for STMMOD
762 * and UARTMOD on OtherAlternateC3.
763 */
764static inline void prcmu_enable_stm_mod_uart(void)
765{
766 if (cpu_is_u8500()) {
767 prcmu_set(DB8500_PRCM_GPIOCR,
768 (DB8500_PRCM_GPIOCR_DBG_STM_MOD_CMD1 |
769 DB8500_PRCM_GPIOCR_DBG_UARTMOD_CMD0));
770 }
771}
772
773/**
774 * prcmu_disable_stm_mod_uart - Disables pin muxing for STMMOD
775 * and UARTMOD on OtherAlternateC3.
776 */
777static inline void prcmu_disable_stm_mod_uart(void)
778{
779 if (cpu_is_u8500()) {
780 prcmu_clear(DB8500_PRCM_GPIOCR,
781 (DB8500_PRCM_GPIOCR_DBG_STM_MOD_CMD1 |
782 DB8500_PRCM_GPIOCR_DBG_UARTMOD_CMD0));
783 }
784}
785
786/**
787 * prcmu_enable_stm_ape - Enables pin muxing for STM APE on OtherAlternateC1.
788 */
789static inline void prcmu_enable_stm_ape(void)
790{
791 if (cpu_is_u8500()) {
792 prcmu_set(DB8500_PRCM_GPIOCR,
793 DB8500_PRCM_GPIOCR_DBG_STM_APE_CMD);
794 }
795}
796
797/**
798 * prcmu_disable_stm_ape - Disables pin muxing for STM APE on OtherAlternateC1.
799 */
800static inline void prcmu_disable_stm_ape(void)
801{
802 if (cpu_is_u8500()) {
803 prcmu_clear(DB8500_PRCM_GPIOCR,
804 DB8500_PRCM_GPIOCR_DBG_STM_APE_CMD);
805 }
806}
807
808#else
809
810static inline void prcmu_enable_spi2(void) {}
811static inline void prcmu_disable_spi2(void) {}
812static inline void prcmu_enable_stm_mod_uart(void) {}
813static inline void prcmu_disable_stm_mod_uart(void) {}
814static inline void prcmu_enable_stm_ape(void) {}
815static inline void prcmu_disable_stm_ape(void) {}
816
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200817#endif
818
819/* PRCMU QoS APE OPP class */
820#define PRCMU_QOS_APE_OPP 1
821#define PRCMU_QOS_DDR_OPP 2
Mattias Nilsson4d64d2e2012-01-13 16:20:43 +0100822#define PRCMU_QOS_ARM_OPP 3
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200823#define PRCMU_QOS_DEFAULT_VALUE -1
824
Mattias Nilsson4d64d2e2012-01-13 16:20:43 +0100825#ifdef CONFIG_DBX500_PRCMU_QOS_POWER
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200826
827unsigned long prcmu_qos_get_cpufreq_opp_delay(void);
828void prcmu_qos_set_cpufreq_opp_delay(unsigned long);
829void prcmu_qos_force_opp(int, s32);
830int prcmu_qos_requirement(int pm_qos_class);
831int prcmu_qos_add_requirement(int pm_qos_class, char *name, s32 value);
832int prcmu_qos_update_requirement(int pm_qos_class, char *name, s32 new_value);
833void prcmu_qos_remove_requirement(int pm_qos_class, char *name);
834int prcmu_qos_add_notifier(int prcmu_qos_class,
835 struct notifier_block *notifier);
836int prcmu_qos_remove_notifier(int prcmu_qos_class,
837 struct notifier_block *notifier);
838
839#else
840
841static inline unsigned long prcmu_qos_get_cpufreq_opp_delay(void)
842{
843 return 0;
844}
845
846static inline void prcmu_qos_set_cpufreq_opp_delay(unsigned long n) {}
847
848static inline void prcmu_qos_force_opp(int prcmu_qos_class, s32 i) {}
849
850static inline int prcmu_qos_requirement(int prcmu_qos_class)
851{
852 return 0;
853}
854
855static inline int prcmu_qos_add_requirement(int prcmu_qos_class,
856 char *name, s32 value)
857{
858 return 0;
859}
860
861static inline int prcmu_qos_update_requirement(int prcmu_qos_class,
862 char *name, s32 new_value)
863{
864 return 0;
865}
866
867static inline void prcmu_qos_remove_requirement(int prcmu_qos_class, char *name)
868{
869}
870
871static inline int prcmu_qos_add_notifier(int prcmu_qos_class,
872 struct notifier_block *notifier)
873{
874 return 0;
875}
876static inline int prcmu_qos_remove_notifier(int prcmu_qos_class,
877 struct notifier_block *notifier)
878{
879 return 0;
880}
881
882#endif
883
884#endif /* __MACH_PRCMU_H */