blob: d7674eb7305f8cefc3a8396be0434ec58bd79d5d [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 Lezcano34fe6f12012-02-28 22:46:09 +0100308static inline bool prcmu_is_cpu_in_wfi(int cpu)
309{
310 if (cpu_is_u5500())
311 return -EINVAL;
312 else
313 return db8500_prcmu_is_cpu_in_wfi(cpu);
314}
315
Daniel Lezcano9f60d332012-02-28 22:46:07 +0100316static inline int prcmu_copy_gic_settings(void)
317{
318 if (cpu_is_u5500())
319 return -EINVAL;
320 else
321 return db8500_prcmu_copy_gic_settings();
322}
323
Daniel Lezcano9ab492e2012-02-28 22:46:08 +0100324static inline bool prcmu_pending_irq(void)
325{
326 if (cpu_is_u5500())
327 return -EINVAL;
328 else
329 return db8500_prcmu_pending_irq();
330}
331
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200332static inline int prcmu_set_epod(u16 epod_id, u8 epod_state)
333{
Mattias Nilsson05089012012-01-13 16:20:20 +0100334 if (cpu_is_u5500())
Mattias Nilsson73180f82011-08-12 10:28:10 +0200335 return -EINVAL;
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200336 else
337 return db8500_prcmu_set_epod(epod_id, epod_state);
338}
339
340static inline void prcmu_enable_wakeups(u32 wakeups)
341{
Mattias Nilsson05089012012-01-13 16:20:20 +0100342 if (cpu_is_u5500())
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200343 db5500_prcmu_enable_wakeups(wakeups);
344 else
345 db8500_prcmu_enable_wakeups(wakeups);
346}
347
348static inline void prcmu_disable_wakeups(void)
349{
350 prcmu_enable_wakeups(0);
351}
352
353static inline void prcmu_config_abb_event_readout(u32 abb_events)
354{
Mattias Nilsson05089012012-01-13 16:20:20 +0100355 if (cpu_is_u5500())
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200356 db5500_prcmu_config_abb_event_readout(abb_events);
357 else
358 db8500_prcmu_config_abb_event_readout(abb_events);
359}
360
361static inline void prcmu_get_abb_event_buffer(void __iomem **buf)
362{
Mattias Nilsson05089012012-01-13 16:20:20 +0100363 if (cpu_is_u5500())
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200364 db5500_prcmu_get_abb_event_buffer(buf);
365 else
366 db8500_prcmu_get_abb_event_buffer(buf);
367}
368
369int prcmu_abb_read(u8 slave, u8 reg, u8 *value, u8 size);
370int prcmu_abb_write(u8 slave, u8 reg, u8 *value, u8 size);
Mattias Nilsson3c3e4892012-03-08 14:02:05 +0100371int prcmu_abb_write_masked(u8 slave, u8 reg, u8 *value, u8 *mask, u8 size);
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200372
373int prcmu_config_clkout(u8 clkout, u8 source, u8 div);
374
375static inline int prcmu_request_clock(u8 clock, bool enable)
376{
Mattias Nilsson05089012012-01-13 16:20:20 +0100377 if (cpu_is_u5500())
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200378 return db5500_prcmu_request_clock(clock, enable);
379 else
380 return db8500_prcmu_request_clock(clock, enable);
381}
382
Mattias Nilsson05089012012-01-13 16:20:20 +0100383unsigned long prcmu_clock_rate(u8 clock);
384long prcmu_round_clock_rate(u8 clock, unsigned long rate);
385int prcmu_set_clock_rate(u8 clock, unsigned long rate);
386
387static inline int prcmu_set_ddr_opp(u8 opp)
388{
389 if (cpu_is_u5500())
390 return -EINVAL;
391 else
392 return db8500_prcmu_set_ddr_opp(opp);
393}
394static inline int prcmu_get_ddr_opp(void)
395{
396 if (cpu_is_u5500())
397 return -EINVAL;
398 else
399 return db8500_prcmu_get_ddr_opp();
400}
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200401
402static inline int prcmu_set_arm_opp(u8 opp)
403{
Mattias Nilsson05089012012-01-13 16:20:20 +0100404 if (cpu_is_u5500())
Mattias Nilsson73180f82011-08-12 10:28:10 +0200405 return -EINVAL;
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200406 else
407 return db8500_prcmu_set_arm_opp(opp);
408}
409
410static inline int prcmu_get_arm_opp(void)
411{
Mattias Nilsson05089012012-01-13 16:20:20 +0100412 if (cpu_is_u5500())
Mattias Nilsson73180f82011-08-12 10:28:10 +0200413 return -EINVAL;
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200414 else
415 return db8500_prcmu_get_arm_opp();
416}
417
Mattias Nilsson05089012012-01-13 16:20:20 +0100418static inline int prcmu_set_ape_opp(u8 opp)
419{
420 if (cpu_is_u5500())
421 return -EINVAL;
422 else
423 return db8500_prcmu_set_ape_opp(opp);
424}
425
426static inline int prcmu_get_ape_opp(void)
427{
428 if (cpu_is_u5500())
429 return -EINVAL;
430 else
431 return db8500_prcmu_get_ape_opp();
432}
433
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200434static inline void prcmu_system_reset(u16 reset_code)
435{
Mattias Nilsson05089012012-01-13 16:20:20 +0100436 if (cpu_is_u5500())
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200437 return db5500_prcmu_system_reset(reset_code);
438 else
439 return db8500_prcmu_system_reset(reset_code);
440}
441
442static inline u16 prcmu_get_reset_code(void)
443{
Mattias Nilsson05089012012-01-13 16:20:20 +0100444 if (cpu_is_u5500())
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200445 return db5500_prcmu_get_reset_code();
446 else
447 return db8500_prcmu_get_reset_code();
448}
449
450void prcmu_ac_wake_req(void);
451void prcmu_ac_sleep_req(void);
Mattias Nilsson05089012012-01-13 16:20:20 +0100452static inline void prcmu_modem_reset(void)
453{
454 if (cpu_is_u5500())
455 return;
456 else
457 return db8500_prcmu_modem_reset();
458}
459
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200460static inline bool prcmu_is_ac_wake_requested(void)
461{
Mattias Nilsson05089012012-01-13 16:20:20 +0100462 if (cpu_is_u5500())
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200463 return db5500_prcmu_is_ac_wake_requested();
464 else
465 return db8500_prcmu_is_ac_wake_requested();
466}
467
468static inline int prcmu_set_display_clocks(void)
469{
Mattias Nilsson05089012012-01-13 16:20:20 +0100470 if (cpu_is_u5500())
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200471 return db5500_prcmu_set_display_clocks();
472 else
473 return db8500_prcmu_set_display_clocks();
474}
475
476static inline int prcmu_disable_dsipll(void)
477{
Mattias Nilsson05089012012-01-13 16:20:20 +0100478 if (cpu_is_u5500())
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200479 return db5500_prcmu_disable_dsipll();
480 else
481 return db8500_prcmu_disable_dsipll();
482}
483
484static inline int prcmu_enable_dsipll(void)
485{
Mattias Nilsson05089012012-01-13 16:20:20 +0100486 if (cpu_is_u5500())
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200487 return db5500_prcmu_enable_dsipll();
488 else
489 return db8500_prcmu_enable_dsipll();
490}
491
492static inline int prcmu_config_esram0_deep_sleep(u8 state)
493{
Mattias Nilsson05089012012-01-13 16:20:20 +0100494 if (cpu_is_u5500())
Mattias Nilsson73180f82011-08-12 10:28:10 +0200495 return -EINVAL;
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200496 else
497 return db8500_prcmu_config_esram0_deep_sleep(state);
498}
Mattias Nilsson05089012012-01-13 16:20:20 +0100499
500static inline int prcmu_config_hotdog(u8 threshold)
501{
502 if (cpu_is_u5500())
503 return -EINVAL;
504 else
505 return db8500_prcmu_config_hotdog(threshold);
506}
507
508static inline int prcmu_config_hotmon(u8 low, u8 high)
509{
510 if (cpu_is_u5500())
511 return -EINVAL;
512 else
513 return db8500_prcmu_config_hotmon(low, high);
514}
515
516static inline int prcmu_start_temp_sense(u16 cycles32k)
517{
518 if (cpu_is_u5500())
519 return -EINVAL;
520 else
521 return db8500_prcmu_start_temp_sense(cycles32k);
522}
523
524static inline int prcmu_stop_temp_sense(void)
525{
526 if (cpu_is_u5500())
527 return -EINVAL;
528 else
529 return db8500_prcmu_stop_temp_sense();
530}
531
Mattias Nilssonb4a6dbd2012-01-13 16:21:00 +0100532static inline u32 prcmu_read(unsigned int reg)
533{
534 if (cpu_is_u5500())
535 return -EINVAL;
536 else
537 return db8500_prcmu_read(reg);
538}
539
540static inline void prcmu_write(unsigned int reg, u32 value)
541{
542 if (cpu_is_u5500())
543 return;
544 else
545 db8500_prcmu_write(reg, value);
546}
547
548static inline void prcmu_write_masked(unsigned int reg, u32 mask, u32 value)
549{
550 if (cpu_is_u5500())
551 return;
552 else
553 db8500_prcmu_write_masked(reg, mask, value);
554}
555
Mattias Nilsson05089012012-01-13 16:20:20 +0100556static inline int prcmu_enable_a9wdog(u8 id)
557{
558 if (cpu_is_u5500())
559 return -EINVAL;
560 else
561 return db8500_prcmu_enable_a9wdog(id);
562}
563
564static inline int prcmu_disable_a9wdog(u8 id)
565{
566 if (cpu_is_u5500())
567 return -EINVAL;
568 else
569 return db8500_prcmu_disable_a9wdog(id);
570}
571
572static inline int prcmu_kick_a9wdog(u8 id)
573{
574 if (cpu_is_u5500())
575 return -EINVAL;
576 else
577 return db8500_prcmu_kick_a9wdog(id);
578}
579
580static inline int prcmu_load_a9wdog(u8 id, u32 timeout)
581{
582 if (cpu_is_u5500())
583 return -EINVAL;
584 else
585 return db8500_prcmu_load_a9wdog(id, timeout);
586}
587
588static inline int prcmu_config_a9wdog(u8 num, bool sleep_auto_off)
589{
590 if (cpu_is_u5500())
591 return -EINVAL;
592 else
593 return db8500_prcmu_config_a9wdog(num, sleep_auto_off);
594}
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200595#else
596
597static inline void __init prcmu_early_init(void) {}
598
599static inline int prcmu_set_power_state(u8 state, bool keep_ulp_clk,
600 bool keep_ap_pll)
601{
602 return 0;
603}
604
605static inline int prcmu_set_epod(u16 epod_id, u8 epod_state)
606{
607 return 0;
608}
609
610static inline void prcmu_enable_wakeups(u32 wakeups) {}
611
612static inline void prcmu_disable_wakeups(void) {}
613
614static inline int prcmu_abb_read(u8 slave, u8 reg, u8 *value, u8 size)
615{
616 return -ENOSYS;
617}
618
619static inline int prcmu_abb_write(u8 slave, u8 reg, u8 *value, u8 size)
620{
621 return -ENOSYS;
622}
623
Mattias Nilsson3c3e4892012-03-08 14:02:05 +0100624static inline int prcmu_abb_write_masked(u8 slave, u8 reg, u8 *value, u8 *mask,
625 u8 size)
626{
627 return -ENOSYS;
628}
629
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200630static inline int prcmu_config_clkout(u8 clkout, u8 source, u8 div)
631{
632 return 0;
633}
634
635static inline int prcmu_request_clock(u8 clock, bool enable)
636{
637 return 0;
638}
639
Mattias Nilsson6b6fae22012-01-13 16:20:28 +0100640static inline long prcmu_round_clock_rate(u8 clock, unsigned long rate)
641{
642 return 0;
643}
644
645static inline int prcmu_set_clock_rate(u8 clock, unsigned long rate)
646{
647 return 0;
648}
649
650static inline unsigned long prcmu_clock_rate(u8 clock)
651{
652 return 0;
653}
654
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200655static inline int prcmu_set_ape_opp(u8 opp)
656{
657 return 0;
658}
659
660static inline int prcmu_get_ape_opp(void)
661{
662 return APE_100_OPP;
663}
664
665static inline int prcmu_set_arm_opp(u8 opp)
666{
667 return 0;
668}
669
670static inline int prcmu_get_arm_opp(void)
671{
672 return ARM_100_OPP;
673}
674
675static inline int prcmu_set_ddr_opp(u8 opp)
676{
677 return 0;
678}
679
680static inline int prcmu_get_ddr_opp(void)
681{
682 return DDR_100_OPP;
683}
684
685static inline void prcmu_system_reset(u16 reset_code) {}
686
687static inline u16 prcmu_get_reset_code(void)
688{
689 return 0;
690}
691
692static inline void prcmu_ac_wake_req(void) {}
693
694static inline void prcmu_ac_sleep_req(void) {}
695
696static inline void prcmu_modem_reset(void) {}
697
698static inline bool prcmu_is_ac_wake_requested(void)
699{
700 return false;
701}
702
703static inline int prcmu_set_display_clocks(void)
704{
705 return 0;
706}
707
708static inline int prcmu_disable_dsipll(void)
709{
710 return 0;
711}
712
713static inline int prcmu_enable_dsipll(void)
714{
715 return 0;
716}
717
718static inline int prcmu_config_esram0_deep_sleep(u8 state)
719{
720 return 0;
721}
722
723static inline void prcmu_config_abb_event_readout(u32 abb_events) {}
724
725static inline void prcmu_get_abb_event_buffer(void __iomem **buf)
726{
727 *buf = NULL;
728}
729
Mattias Nilsson05089012012-01-13 16:20:20 +0100730static inline int prcmu_config_hotdog(u8 threshold)
731{
732 return 0;
733}
734
735static inline int prcmu_config_hotmon(u8 low, u8 high)
736{
737 return 0;
738}
739
740static inline int prcmu_start_temp_sense(u16 cycles32k)
741{
742 return 0;
743}
744
745static inline int prcmu_stop_temp_sense(void)
746{
747 return 0;
748}
749
Mattias Nilssonb4a6dbd2012-01-13 16:21:00 +0100750static inline u32 prcmu_read(unsigned int reg)
751{
752 return 0;
753}
754
755static inline void prcmu_write(unsigned int reg, u32 value) {}
756
757static inline void prcmu_write_masked(unsigned int reg, u32 mask, u32 value) {}
758
759#endif
760
761static inline void prcmu_set(unsigned int reg, u32 bits)
762{
763 prcmu_write_masked(reg, bits, bits);
764}
765
766static inline void prcmu_clear(unsigned int reg, u32 bits)
767{
768 prcmu_write_masked(reg, bits, 0);
769}
770
771#if defined(CONFIG_UX500_SOC_DB8500) || defined(CONFIG_UX500_SOC_DB5500)
772
773/**
774 * prcmu_enable_spi2 - Enables pin muxing for SPI2 on OtherAlternateC1.
775 */
776static inline void prcmu_enable_spi2(void)
777{
778 if (cpu_is_u8500())
779 prcmu_set(DB8500_PRCM_GPIOCR, DB8500_PRCM_GPIOCR_SPI2_SELECT);
780}
781
782/**
783 * prcmu_disable_spi2 - Disables pin muxing for SPI2 on OtherAlternateC1.
784 */
785static inline void prcmu_disable_spi2(void)
786{
787 if (cpu_is_u8500())
788 prcmu_clear(DB8500_PRCM_GPIOCR, DB8500_PRCM_GPIOCR_SPI2_SELECT);
789}
790
791/**
792 * prcmu_enable_stm_mod_uart - Enables pin muxing for STMMOD
793 * and UARTMOD on OtherAlternateC3.
794 */
795static inline void prcmu_enable_stm_mod_uart(void)
796{
797 if (cpu_is_u8500()) {
798 prcmu_set(DB8500_PRCM_GPIOCR,
799 (DB8500_PRCM_GPIOCR_DBG_STM_MOD_CMD1 |
800 DB8500_PRCM_GPIOCR_DBG_UARTMOD_CMD0));
801 }
802}
803
804/**
805 * prcmu_disable_stm_mod_uart - Disables pin muxing for STMMOD
806 * and UARTMOD on OtherAlternateC3.
807 */
808static inline void prcmu_disable_stm_mod_uart(void)
809{
810 if (cpu_is_u8500()) {
811 prcmu_clear(DB8500_PRCM_GPIOCR,
812 (DB8500_PRCM_GPIOCR_DBG_STM_MOD_CMD1 |
813 DB8500_PRCM_GPIOCR_DBG_UARTMOD_CMD0));
814 }
815}
816
817/**
818 * prcmu_enable_stm_ape - Enables pin muxing for STM APE on OtherAlternateC1.
819 */
820static inline void prcmu_enable_stm_ape(void)
821{
822 if (cpu_is_u8500()) {
823 prcmu_set(DB8500_PRCM_GPIOCR,
824 DB8500_PRCM_GPIOCR_DBG_STM_APE_CMD);
825 }
826}
827
828/**
829 * prcmu_disable_stm_ape - Disables pin muxing for STM APE on OtherAlternateC1.
830 */
831static inline void prcmu_disable_stm_ape(void)
832{
833 if (cpu_is_u8500()) {
834 prcmu_clear(DB8500_PRCM_GPIOCR,
835 DB8500_PRCM_GPIOCR_DBG_STM_APE_CMD);
836 }
837}
838
839#else
840
841static inline void prcmu_enable_spi2(void) {}
842static inline void prcmu_disable_spi2(void) {}
843static inline void prcmu_enable_stm_mod_uart(void) {}
844static inline void prcmu_disable_stm_mod_uart(void) {}
845static inline void prcmu_enable_stm_ape(void) {}
846static inline void prcmu_disable_stm_ape(void) {}
847
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200848#endif
849
850/* PRCMU QoS APE OPP class */
851#define PRCMU_QOS_APE_OPP 1
852#define PRCMU_QOS_DDR_OPP 2
Mattias Nilsson4d64d2e2012-01-13 16:20:43 +0100853#define PRCMU_QOS_ARM_OPP 3
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200854#define PRCMU_QOS_DEFAULT_VALUE -1
855
Mattias Nilsson4d64d2e2012-01-13 16:20:43 +0100856#ifdef CONFIG_DBX500_PRCMU_QOS_POWER
Mattias Nilssonfea799e2011-08-12 10:28:02 +0200857
858unsigned long prcmu_qos_get_cpufreq_opp_delay(void);
859void prcmu_qos_set_cpufreq_opp_delay(unsigned long);
860void prcmu_qos_force_opp(int, s32);
861int prcmu_qos_requirement(int pm_qos_class);
862int prcmu_qos_add_requirement(int pm_qos_class, char *name, s32 value);
863int prcmu_qos_update_requirement(int pm_qos_class, char *name, s32 new_value);
864void prcmu_qos_remove_requirement(int pm_qos_class, char *name);
865int prcmu_qos_add_notifier(int prcmu_qos_class,
866 struct notifier_block *notifier);
867int prcmu_qos_remove_notifier(int prcmu_qos_class,
868 struct notifier_block *notifier);
869
870#else
871
872static inline unsigned long prcmu_qos_get_cpufreq_opp_delay(void)
873{
874 return 0;
875}
876
877static inline void prcmu_qos_set_cpufreq_opp_delay(unsigned long n) {}
878
879static inline void prcmu_qos_force_opp(int prcmu_qos_class, s32 i) {}
880
881static inline int prcmu_qos_requirement(int prcmu_qos_class)
882{
883 return 0;
884}
885
886static inline int prcmu_qos_add_requirement(int prcmu_qos_class,
887 char *name, s32 value)
888{
889 return 0;
890}
891
892static inline int prcmu_qos_update_requirement(int prcmu_qos_class,
893 char *name, s32 new_value)
894{
895 return 0;
896}
897
898static inline void prcmu_qos_remove_requirement(int prcmu_qos_class, char *name)
899{
900}
901
902static inline int prcmu_qos_add_notifier(int prcmu_qos_class,
903 struct notifier_block *notifier)
904{
905 return 0;
906}
907static inline int prcmu_qos_remove_notifier(int prcmu_qos_class,
908 struct notifier_block *notifier)
909{
910 return 0;
911}
912
913#endif
914
915#endif /* __MACH_PRCMU_H */